GB 9134-1988 Technical regulations for radioactive solid waste treatment systems of light water reactor nuclear power plants
Some standard content:
National Standards of the People's Republic of China
Radioactivity of Light Water Reactor Nuclear Power Plants
Technical Rules for Solid Waste Treatment Systems
The technical rules about solidradioactive waste processing system for light water reactor plants1Subject content and scope of application| |tt||GB 9134—88
This standard specifies the minimum technical requirements for the design, construction and operation of radioactive solid waste treatment systems for light water reactor nuclear power plants (hereinafter referred to as this system).
This standard applies to the design, construction and operation of radioactive solid waste treatment systems for light water reactor nuclear power plants. Radioactive solid waste treatment systems similar to reactors should also be used with reference. In this standard, the starting point of the wet waste in the radioactive solid waste treatment system is the discharge outlet of the waste resin, filter sludge evaporation concentrate, etc. of the radioactive solid waste treatment system; the various "thousand" wastes that need to be processed are from each waste generation point After preliminary packaging, it is sent to this system in a special container or vehicle. The end point of this system is the loading point where the processed waste containers are transported to the temporary storage warehouse in the plant. 2 Reference standard
GB6249 Nuclear power plant environmental radiation protection regulations. HAF0200 Nuclear Power Plant Design Safety Regulations
3 Terms
3.1 Curing
Convert liquid substances into solids
3.2 Coating
Use curing agent or curing. 3.3 Immobilization
Convert waste into a solid form to reduce possible migration or dispersion of radionuclides due to natural processes during storage, transportation and handling. .
3.4 ??Free liquid
Unbound liquid that is not bound by a solid matrix. 3.5 Engineering storage
A man-made engineering structure that can protect after processing and packaging for a certain period of time. radioactive waste. Ability to preserve these wastes in the event of damage by natural or man-made accidents without causing serious pollution to the human environment. 3.6 Disposal
Place wastes in underground caves or underground storage, or in a given location. The site will no longer be taken back. 3.7 Must, should and can
Approved by the National Environmental Protection Agency on 1988-05-25 and implemented on 1988-09-01
GB9134--88
" "Must" indicates a necessary condition and is a mandatory requirement; "should" indicates a recommendation or suggestion; "can" indicates permission, which is neither a requirement nor a suggestion. The radioactive solid waste treatment system must be designed and constructed in accordance with the requirements specified in this standard and operation without necessarily adopting the recommendations contained therein
4 Objectives
The purpose of the series of requirements specified in this standard is to enable the radioactive solid waste treatment system to achieve the safety objectives and design objectives specified in this chapter. and operational objectives.
4.1 Safety Objectives
4.1.1 The design, construction and operation of the system must ensure that the radiation exposure to power plant workers and the public is as low as reasonably possible || tt||4.1.2 The dose equivalent to nuclear power plant workers and the public shall not exceed the corresponding limits specified by the state. 4.2 Design self-standardization and operation self-standardization
4.2.1 The system should be able to collect and store in a timely manner. , processing and packaging of solid waste. 4.2.2 The volume of solid waste after treatment should be as small as possible. The properties of the fixed and solidified products must be stable. 4.2.3 The processed solid waste and its packaging must comply with the relevant radioactive waste transportation. , storage and disposal requirements. 5 Sources of radioactive solid waste
come from wet waste and dry waste generated during the operation and maintenance of nuclear power plants. 5.1 Wet waste
5.1.1 Liquid waste.
Mainly concentrated waste liquid produced by the waste liquid treatment system, as well as chemical waste liquid produced in the laboratory and decontamination process. 5.1.2 Mud
is mainly waste ion exchange resin and filter sludge produced by the primary loop coolant purification system and waste liquid treatment system. 5.1.3 Waste filter core
Waste filter core generated by the primary loop coolant purification system and waste liquid treatment system. 5.2 Dry waste
Equipment, tools and materials discarded during the maintenance process of the nuclear power plant as well as discarded work clothes, gloves, papers, wiping materials, etc. contaminated by radioactivity. Replaced exhaust filters, activated carbon filters, etc. are also considered dry waste. 6 System Requirements
6.1 Process Design
The system flow of the solid waste treatment system of the light water reactor nuclear power plant recommended for process design is shown in the figure. Concentrated waste liquid
Beixue waste liquid
Waste resin
. High-grade filtration
Device core
High-efficiency
Through filter| |tt||Miscellaneous waste
Storage
Storage
Busy storage
Degree change
Compression
Burnable belly| |Compressible
Waste
Not compressible
Abdominal shrinkage
GB9134—88
Shang Dinghe
Packaging||tt| |Assembly
Barrel
Incineration
Barrel
Storage
Cement slurry
Bao Ai
Container
ash barreling
shrink
cutting and
packaging
store
place
light water reactor nuclear power Plant radioactive solid waste treatment system flow chart 6.1.1 Treatment of wet waste
6.1.1.1 Waste liquid: The waste liquid must be solidified, which can be solidified by asphalt solidification, cement solidification and thermosetting plastics (such as unsaturated polyester) .
6.1.1.2 Mud: Waste resin should be fixed, cement and thermosetting plastic can be used. When the waste resin is produced in a small amount, it can also be temporarily stored in a stainless steel storage tank. 6.1.1.3 Waste filter core. The waste filter core should be placed in a container and fixed with cement. It can also be packaged in a container with a sufficient amount of adsorbent after draining.
6.1.2 Treatment of dry waste
6.1.2.1 Combustible waste: Combustible waste can be reduced in volume by incineration or compression. 6.1.2.2 Compressible waste: Compressible waste such as waste plastics, rubber products, glass containers, insulation materials, thin-walled metal containers, etc. should be compressed and reduced in volume.
6.1.2.3 Incompressible waste: A special place must be set up to store incompressible waste such as contaminated large equipment parts. These parts should be decontaminated, cut and packaged prior to outbound disposal. 6.1.2.4 Loose waste: Other scattered waste should be packed in plastic bags before being put into waste containers. 6.2 System design and construction
6.2.1 Seismic design
There is no need to consider seismic factors when designing the equipment of this system. However, the site where radioactive waste liquid or slurry equipment is installed must still be able to accommodate all waste liquid or mud in the equipment under operating reference seismic conditions. 6.2.2 Materials
The materials of each pressure-bearing equipment or components of this system must comply with the relevant regulations in the "Design Regulations for Steel Petrochemical Pressure Vessels"\. Material selection must take into account corrosion, decontamination and radiation effects during normal operation and expected operating conditions. Note: 1) Jointly issued by Petrochemical Corporation, Ministry of Chemical Industry, and Ministry of Machinery Industry. Published by Chemical Industry Press in 1985. 6.2.3 Welding
systems should adopt welded structures as much as possible. The welding of all pressure components and pipeline pressure boundaries must comply with JB741 "Technical Conditions for Steel Welded Vessels" and GBJ235≤Industrial Pipeline Engineering Construction and Acceptance Specifications" requirements. Pipelines transporting slurry and waste ion exchange resin should use butt welding with consumable solder to make the inner wall of the weld smooth and minimize the deposition of radioactive materials at the welding point. | |tt | Connector connection. Welding personnel must pass an examination and obtain a certificate before they can operate. All welds of radioactive equipment and pipelines must have different fluoroscopic inspection requirements based on their importance and location. 6.2.4 Fire protection
If this system uses or stores flammable materials, a special fire protection system must be installed. Its design should comply with relevant national fire protection regulations. 6.2.5 Sampling
Waste liquid and mud are sampled before entering this system for treatment, their constant composition is analyzed, and their radionuclide composition is measured from time to time. The products of waste liquid and mud treated by this system should be sampled to measure their physical and chemical properties. 6.3 Quality Assurance
6.3.1Design and Order
. Management of design and ordering documents
Design and ordering documents must be reviewed by non-document drafting personnel in the design department, and modifications to these documents must also be reviewed. b. Order management
Measures must be developed to ensure that the equipment and material supply department and the construction department supply the quality requirements specified in the order document; this can be achieved through testing and identification. c. Management of Loading, Storage, and Transportation
Procedures must be established for the handling, storage, transportation, and custody of equipment and materials to ensure cleanliness and prevent damage and deterioration. 6.3.2 Manufacturing and construction
a. Inspection
An inspection work program must be developed and executed by the quality inspection department to assess whether all quality requirements set forth in the design documents are met.
b. Inspection and test status display
Measures must be developed to identify those items that have satisfactorily passed inspection and test requirements. C. Measures must be formulated for the identification and correction of unqualified items, review the unqualified items according to the ordering documents or current specifications, formulate corresponding remedial measures, and identify these measures.
7 Equipment requirements
7.1 Tank
7.1.1 Exhaust
The atmospheric pressure tank must be equipped with an exhaust port, and the size of the exhaust port should be sufficient to ensure that At normal pressure. The exhaust from the radioactive waste liquid and waste slurry tank should be discharged to the waste gas treatment system and is not allowed to be discharged into the equipment room. 7.1.2 Overflow
For waste liquid and waste slurry tanks with overflow ports, the overflow should be discharged to the corresponding collection point according to the characteristics of the waste. 7.1.3 Drainage and cleaning
The waste liquid and waste slurry tanks must be free of cracks and dead corners and can be emptied. Cleaning and decontamination measures are in place. Possible leaks from waste liquid and waste slurry tanks must be properly collected and returned to the waste liquid treatment system. 7.1.4 Mixing
There must be mixing measures in the mud tank to facilitate mud transportation and prevent mud deposition and agglomeration. 7.1.5 Heating and Insulation
For evaporated concentrated waste liquid that may crystallize at ambient temperature, the receiving tank and feed tank must be equipped with heating and insulation facilities. 7.2 Pumps
7.2.1 Seals
GB 9134-88
Pumps transporting waste liquids and mud should be equipped with reliable, wear-resistant mechanical seals to reduce the leakage of radioactive waste . Cleaning water for seals should be provided.
7.2.2 Alarm
The motor of the above pump should be equipped with an ammeter and a high current alarm to identify whether the pump is operating normally. 7.2.3 Pump connection
The connection between the pump and relevant valves and pipelines must be designed to facilitate inspection, decontamination and repair. 7.3 Valves and pipelines
7.3.1 Valve control
Valves that are frequently operated should be pneumatic valves or electric valves and can be operated remotely from the control panel. Valves that are not frequently operated can be manually or by Transmission lever operation.
7.3.2 Valve type
Valves used for radioactive waste liquids and slurries should be bellows valves, diaphragm valves or valves with the same sealing performance. In order to ensure the expected service life, the valve sealing material must have sufficient radiation resistance, and tetrafluoroethylene can be used as the valve sealing material. 7.3.3 Valve connection
The connection between valves and pipes should minimize dead space to facilitate emptying and easy inspection, decontamination and replacement. 7.3.4 Radioactive waste liquid and mud accumulation pipes
All mud pipes should be as short as possible to ensure smooth flow of mud in the pipes. For evaporated concentrated waste liquid that may crystallize at ambient temperature, the delivery pipeline should be insulated or equipped with heat accompanying measures. All radioactive waste liquid and slurry pipelines must be equipped with flushing measures and have a certain slope. The bending radius of the pipeline must be greater than five times the diameter of the pipeline.
7.4 Wet waste pretreatment system
According to the physical and chemical characteristics of the waste and the requirements for the performance of the final product, as well as reducing the volume of the treated waste, the wet waste should be dehydrated before mixing with the curing agent. deal with. The following equipment can be used for dehydration pretreatment. 7.4.1 Centrifuge (for mud dehydration)
7.4.1.1 Operational performance: The liquid content of the solid separated by the centrifuge should be as low as possible, and it can be automatically sent to the next step of mixing with the curing agent process. The separated liquid should be returned to the waste liquid treatment system. 7.4.1.2 Equipment protection: The centrifuge must be equipped with high-torque sensitive components and an automatic parking device to protect the equipment from damage. 7.4.1.3 Cleaning: The motor and drum of the centrifuge should be able to rotate in reverse direction to facilitate cleaning. 7.4.2 Dehydration tank (for mud dehydration)
7.4.2.1 Filtration method: A filter can be installed in the dehydration tank to dehydrate the mud. The filter should be able to be backwashed and cleaned with water. Filters should be removed and replaced under shielded isolation operating conditions. 7.4.2.2 Clarification separation method: If the clarification separation method is used, the dewatering tank must have sufficient capacity to allow the mud or resin to fully settle before the supernatant is extracted.
7.4.3 Dehydration filter (for mud dehydration) 7.4.3.1 Filter type: Moving belt (flat bed) or rotating disk filter can be used. 7.4.3.2 Evacuation: The filter housing must be equipped with exhaust pipes and drainage pipes for evacuation, and the connections of the pipes must not hinder the disassembly and assembly of the filter. If air is used to promote drying of sludge and resin, the filter exhaust must be exhausted to the exhaust gas treatment system. 7.4.3.3 Operation: All precoating and backwash operations should be designed to run automatically after manual start. 7.4.4 Wiped film evaporator (used for slurry and concentrate dehydration) The rotating parts of the wiped film evaporator must be removable to facilitate cleaning and replacement of the wiper blades. Wiped film evaporators should be cleanable with detergents and detergents.
7.5 Curing agent system
GB9134-88
The curing agent system should include the supply, storage and metering equipment for curing agents, additives and catalysts. 7.5.1 Feeding
7.5.1.1 Conventional protective measures: In areas where curing agents, additives and catalyst feeding equipment are placed, conventional protective measures for these materials must be provided.
7.5.1.2 Dust collection system: If the curing agent is cement or other powdery materials, a dust collection system should be set up. 7.5.2 Storage
7.5.2.1 Storage capacity: Bulk curing agent storage must have sufficient capacity to ensure continuous operation of the system. 7.5.2.2 Measures that should be taken in the storage area: The changes in the physical and chemical properties of the curing agent during storage should be considered and corresponding measures should be taken. There should be fire-fighting facilities for flammable materials; some plastic curing agents may require low-temperature storage to ensure quality. 7.5.3 Metering
Specify the necessary accuracy and range for the metering of curing agents, additives or catalysts to ensure the required product quality. 7.6 Metering and mixing of waste
The mixing of waste and solidifying agent should be carried out in the mixer before loading into the container, or it can be done inside the container. 7.6.1 Measurement of waste
The measurement method of waste must be provided with the necessary accuracy and range to ensure that the required product quality is achieved. 7.6.2 Homogenous mixture
The design of the mixing system must ensure that the waste and curing agent are uniformly mixed, and the uniformity of the mixed product must be tested during the trial operation stage through visual methods or other appropriate methods. 7.6.3· Mixing of waste and curing agent
The amount of curing agent added varies with the composition of the waste and the physical and chemical properties of the curing agent as well as the performance requirements of the final product. Therefore, the mixing equipment for waste and curing agent should Have some flexibility. 7.6.4 Flushing
When using an out-of-vessel mixing scheme, the pipeline from the mixer to the barrel must be as short as possible to reduce the possibility of clogging. A flushing line must be provided for flushing with water or reagents. 7.6.5 Exhaust
The exhaust gas discharged from the mixer or container during mixing must be filtered. 7.7 Passenger container shipping system
7.7.1 Empty containers
The system design must include equipment for the acceptance, temporary storage, inspection and delivery of empty containers to the barreling station. 7.7.2 Drumming and capping
Container shipping systems should be isolated. Operators should be able to monitor kegging and capping from a distance. Waste must be prevented from overflowing from the container.
7.7.3 Monitoring
It is necessary to be able to measure the surface radiation intensity and pollution level of the sealed container. 7.7.4 Decontamination
A decontamination area should be set up. The outer surface of the container can be decontaminated with water. The decontaminated container should be dried. 7.7.5 Temporary storage
The container shipping system must be able to send the radiation-monitored containers to the temporary storage area over a long distance, where the products will be hardened. 7.7.6 Loading
The container shipping system must be able to grab the containers in the temporary storage area from a long distance and place the containers on the transportation vehicle or in a shielded container. 7.8 Disassembly, transportation and coating of waste filter elements 7.8.1 Disassembly
GB9134-88
Shielded mechanical devices can be used to isolate and disassemble highly radioactive filter elements and install them into the transfer container. The disassembly and transportation of low-level filter elements do not require shielding. 7.8.2 Transfer
Waste filter elements must have transfer facilities or transportation tools to prevent the leakage of radioactive materials. 7.8.3 Coating
Spent filter elements should be loaded into containers in the container shipping system and coated with cement slurry. After capping, monitoring, and temporary storage, it is shipped out. 7.9 Waste incineration facilities
7.9.1 Waste sorting and shredding
Waste should be sorted in the glove box to remove waste that is corrosive or harmful to the furnace structural materials during incineration. , as well as non-flammable, explosive and radioactive waste with relatively high levels. Where possible waste should be shredded to facilitate complete combustion. 7.9.2 Chu burner structure
The Chu burner structure used should be simple, capable of fully burning combustible waste and reducing ash volume. 7.9.3 Exhaust purification
The exhaust gas from Fan furnace must be purified, and the exhaust gas must be pre-purified before entering the high-efficiency filter for purification. 7.9.4 Disposal of ash after incineration
Incinerator ash must be stored in barrels or fixed, and measures should be taken to prevent ash from contaminating the environment during the barreling process. 7.10 Dry waste compressor
7.10.1 Waste sorting and feeding
Waste should be sorted in the glove box and fed in small packages. 7.10.2 Container guidance and centering
The compressor should have a mechanism for container guidance, centering and positioning. 7.10.3 Exhaust
The waste sorting glove box and compressor must be isolated and equipped with an exhaust system, and the exhaust must be purified by a high-efficiency filter. 8 Instruments and control devices
8.1 Instruments
8.1.1 Process instruments
Effective and reliable instruments must be equipped to ensure the safety and normal operation of the system. The display parts of all radioactive equipment and instruments on the pipeline system must be installed on the control room or control panel in the operation room, and important parameters should be automatically recorded. The transmitter of the instrument should be located in an easily accessible location for easy calibration and maintenance. The measuring range of the instrument must take into account normal operating conditions and expected operating accident conditions. The instrument must be able to send out an alarm signal when safety-related process parameters exceed the limited range. The equipment rooms or equipment rooms where radioactive waste liquid and slurry equipment are installed must have instruments to detect leaks, and their signals should also be reflected on the control panel.
8.1.2 Radiation Monitoring Instruments
The system must be equipped with appropriate dose meters to monitor the radiation intensity and pollution levels in different areas, and send out alarm signals when the limits are exceeded.
8.2 Control
8.2.1 Control Panel
This system should be equipped with a dedicated control panel. In addition to the display part of the process detection instrument installed on the control panel, it should also include control components such as operating switches of pneumatic or electric valves, process indicator lights, and light signals. GB913488
Curing agent systems, container handling systems, waste and curing agent mixing systems should be equipped with local operation panels. 8.2.2 Interlocking device
In order to ensure that operators do not misoperate in important links, and to protect equipment and devices from damage, necessary interlocking devices must be provided.
8.2.3 Manual operation
The system should be designed to be capable of both automatic control and manual operation. 8.3 Communication
Communication links must be established between the main operating positions of the system, as well as between the system and the reactor auxiliary plant control room and the factory radioactive solid waste storage duty room. 8.4 See Table 1 for the specific requirements for process instrumentation and control of this system. Table 1 Instrumentation and control requirements for radioactive solid waste treatment systems Requirements for measurement and control content
service police
or fat signal
record
set
hold Waste collection system
Wet waste pretreatment system
Preparation
a. Waste liquid tank
b. Waste resin, filter sludge
Phase separator , waste mixing tank\)
a. Dewatering filter
centrifuge
b.
c, wiped film evaporator
Measurement content
Trough level
Temperature
Heat accompanying
Trough level
Mud level
Air pressure or water (mixing||tt ||Liquid) pressure
Pressure difference or filter cake thickness
Feed rate
Liquid turbidity
Drum torque
Drum vibration| |tt||Lubricating oil level
The drum does not rotate
Steam flow
Steam pressure
Feed flow
Feed temperature||tt ||Discharge flow
Discharge temperature
Condensate flow
Condensate conductivity
Automatic display
Record
High and low| |tt||Automatic control
Recommended measurement and control content
Move alarm
Record
Or time signal
Automatic display
Record Peel
Stop pump at low liquid level
Heat accompanying fault alarm
MM stop pump at low liquid level
Vy
Stop feeding
Stop Feeding
MM
VMM steam flow
MMM
MM
Automatic control
Recirculation
Recirculation|| tt||Wet waste pretreatment system
solid
chemical
agent
system
system
fixed packaging system||tt| |Equipment
Equipment
c. Wiped film evaporator
a: cement
asphalt
b.
c, thermosetting Plastic monomer
d.
a.
b.
Additive
Waste supply
Periodizer||tt| |c, additives
container
radioactivity level
a. filter
ten waste compression zone
+
b. pressure head (Hydraulic)
c, exhaust hood fan
GB9134—88
Continued Table 1
Required measurement and control content
Alarm||tt| |Record
or signal
Measurement content
Recirculation flow
Operating pressure
Discharge density
Rotor speed||tt| |Rotor current
storage tank level
exhaust filter pressure difference
tank level
temperature
tank heating
tank Liquid level
Temperature
Semen level
Flow rate (or flow rate)
Liquid level
Microradiation level
Pressure difference|| tt||Oil pressure
Operation status
Automatic display
High and low
Record
MMM
MMM
vy| |tt||MMM
3 Exhaust purification
The exhaust of Fan furnace must be purified, and the exhaust must be pre-purified before entering the high-efficiency filter for purification. 7.9.4 Disposal of ash after incineration
Incinerator ash must be stored in barrels or fixed, and measures should be taken to prevent ash from contaminating the environment during the barreling process. 7.10 Dry waste compressor
7.10.1 Waste sorting and feeding
Waste should be sorted in the glove box and fed in small packages. 7.10.2 Container guidance and centering
The compressor should have a mechanism for container guidance, centering and positioning. 7.10.3 Exhaust
The waste sorting glove box and compressor must be isolated and equipped with an exhaust system, and the exhaust must be purified by a high-efficiency filter. 8 Instruments and control devices
8.1 Instruments
8.1.1 Process instruments
Effective and reliable instruments must be equipped to ensure the safety and normal operation of the system. The display parts of all radioactive equipment and instruments on the pipeline system must be installed on the control room or control panel in the operation room, and important parameters should be automatically recorded. The transmitter of the instrument should be located in an easily accessible location for easy calibration and maintenance. The measuring range of the instrument must take into account normal operating conditions and expected operating accident conditions. The instrument must be able to send out an alarm signal when safety-related process parameters exceed the limited range. The equipment rooms or equipment rooms where radioactive waste liquid and slurry equipment are installed must have instruments to detect leaks, and their signals should also be reflected on the control panel.
8.1.2 Radiation Monitoring Instruments
The system must be equipped with appropriate dose meters to monitor the radiation intensity and pollution levels in different areas, and send out alarm signals when the limits are exceeded.
8.2 Control
8.2.1 Control Panel
This system should be equipped with a dedicated control panel. In addition to the display part of the process detection instrument installed on the control panel, it should also include control components such as operating switches of pneumatic or electric valves, process indicator lights, and light signals. GB913488
Curing agent systems, container handling systems, waste and curing agent mixing systems should be equipped with local operation panels. 8.2.2 Interlocking device
In order to ensure that operators do not misoperate in important links, and to protect equipment and devices from damage, necessary interlocking devices must be provided.
8.2.3 Manual operation
The system should be designed to be capable of both automatic control and manual operation. 8.3 Communication
Communication links must be established between the main operating positions of the system, as well as between the system and the reactor auxiliary plant control room and the factory radioactive solid waste storage duty room. 8.4 See Table 1 for the specific requirements for process instrumentation and control of this system. Table 1 Instrumentation and control requirements for radioactive solid waste treatment systems Requirements for measurement and control content
service police
or fat signal
record
set
hold Waste collection system
Wet waste pretreatment system
Preparation
a. Waste liquid tank
b. Waste resin, filter sludge
Phase separator , waste mixing tank\)
a. Dewatering filter
centrifuge
b.
c, wiped film evaporator
Measurement content
Trough level
Temperature
Heat accompanying
Trough level
Mud level
Air pressure or water (mixing||tt ||Liquid) pressure
Pressure difference or filter cake thickness
Feed rate
Liquid turbidity
Drum torque
Drum vibration| |tt||Lubricating oil level
The drum does not rotate
Steam flow
Steam pressure
Feed flow
Feed temperature||tt ||Discharge flow
Discharge temperature
Condensate flow
Condensate conductivity
Automatic display
Record
High and low| |tt||Automatic control
Recommended measurement and control content
Move alarm
Record
Or time signal
Automatic display
Record Peel
Stop pump at low liquid level
Heat accompanying fault alarm
MM stop pump at low liquid level
Vy
Stop feeding
Stop Feeding
MM
VMM steam flow
MMM
MM
Automatic control
Recirculation
Recirculation|| tt||Wet waste pretreatment system
solid
chemical
agent
system
system
fixed packaging system||tt| |Equipment
Equipment
c. Wiped film evaporator
a: cement
asphalt
b.
c, thermosetting Plastic monomer
d.
a.
b.
Additive
Waste supply
Periodizer||tt| |c, additives
container
radioactivity level
a. filter
ten waste compression zone
+
b. pressure head (Hydraulic)
c, exhaust hood fan
GB9134—88
Continued Table 1
Required measurement and control content
Alarm||tt| |Record
or signal
Measurement content
Recirculation flow
Operating pressure
Discharge density
Rotor speed||tt| |Rotor current
storage tank level
exhaust filter pressure difference
tank level
temperature
tank heating
tank Liquid level
Temperature
Semen level
Flow rate (or flow rate)
Liquid level
Microradiation level
Pressure difference|| tt||Oil pressure
Operation status
Automatic display
High and low
Record
MMM
MMM
vy| |tt||MMM
3 Exhaust purification
The exhaust of Fan furnace must be purified, and the exhaust must be pre-purified before entering the high-efficiency filter for purification. 7.9.4 Disposal of ash after incineration
Incinerator ash must be stored in barrels or fixed, and measures should be taken to prevent ash from contaminating the environment during the barreling process. 7.10 Dry waste compressor
7.10.1 Waste sorting and feeding
Waste should be sorted in the glove box and fed in small packages. 7.10.2 Container guidance and centering
The compressor should have a mechanism for container guidance, centering and positioning. 7.10.3 Exhaust
The waste sorting glove box and compressor must be isolated and equipped with an exhaust system, and the exhaust must be purified by a high-efficiency filter. 8 Instruments and control devices
8.1 Instruments
8.1.1 Process instruments
Effective and reliable instruments must be equipped to ensure the safety and normal operation of the system. The display parts of all radioactive equipment and instruments on the pipeline system must be installed on the control room or control panel in the operation room, and important parameters should be automatically recorded. The transmitter of the instrument should be located in an easily accessible location for easy calibration and maintenance. The measuring range of the instrument must take into account normal operating conditions and expected operating accident conditions. The instrument must be able to send out an alarm signal when safety-related process parameters exceed the limited range. The equipment rooms or equipment rooms where radioactive waste liquid and slurry equipment are installed must have instruments to detect leaks, and their signals should also be reflected on the control panel.
8.1.2 Radiation Monitoring Instruments
The system must be equipped with appropriate dose meters to monitor the radiation intensity and pollution levels in different areas, and send out alarm signals when the limits are exceeded.
8.2 Control
8.2.1 Control Panel
This system should be equipped with a dedicated control panel. In addition to the display part of the process detection instrument installed on the control panel, it should also include control components such as operating switches of pneumatic or electric valves, process indicator lights, and light signals. GB913488
Curing agent systems, container handling systems, waste and curing agent mixing systems should be equipped with local operation panels. 8.2.2 Interlocking device
In order to ensure that operators do not misoperate in important links, and to protect equipment and devices from damage, necessary interlocking devices must be provided.
8.2.3 Manual operation
The system should be designed to be capable of both automatic control and manual operation. 8.3 Communication
Communication links must be established between the main operating positions of the system, as well as between the system and the reactor auxiliary plant control room and the factory radioactive solid waste storage duty room. 8.4 See Table 1 for the specific requirements for process instrumentation and control of this system. Table 1 Instrumentation and control requirements for radioactive solid waste treatment systems Requirements for measurement and control content
service police
or fat signal
record
set
hold Waste collection system
Wet waste pretreatment system
Preparation
a. Waste liquid tank
b. Waste resin, filter sludge
Phase separator , waste mixing tank\)
a. Dewatering filter
centrifuge
b.
c, wiped film evaporator
Measurement content
Trough level
Temperature
Heat accompanying
Trough level
Mud level
Air pressure or water (mixing||tt ||Liquid) pressure
Pressure difference or filter cake thickness
Feed rate
Liquid turbidity
Drum torque
Drum vibration| |tt||Lubricating oil level
The drum does not rotate
Steam flow
Steam pressure
Feed flow
Feed temperature||tt ||Discharge flow
Discharge temperature
Condensate flow
Condensate conductivity
Automatic display
Record
High and low| |tt||Automatic control
Recommended measurement and control content
Move alarm
Record
Or time signal
Automatic display
Record Peel
Stop pump at low liquid level
Heat accompanying fault alarm
MM stop pump at low liquid level
Vy
Stop feeding
Stop Feeding
MM
VMM steam flow
MMM
MM
Automatic control
Recirculation
Recirculation|| tt||Wet waste pretreatment system
solid
chemical
agent
system
system
fixed packaging system||tt| |Equipment
Equipment
c. Wiped film evaporator
a: cement
asphalt
b.
c, thermosetting Plastic monomer
d.
a.
b.
Additive
Waste supply
Periodizer||tt| |c, additives
container
radioactivity level
a. filter
ten waste compression zone
+
b. pressure head (Hydraulic)
c, exhaust hood fan
GB9134—88
Continued Table 1
Required measurement and control content
Alarm||tt| |Record
or signal
Measurement content
Recirculation flow
Operating pressure
Discharge density
Rotor speed||tt| |Rotor current
storage tank level
exhaust filter pressure difference
tank level
temperature
tank heating
tank Liquid level
Temperature
Semen level
Flow rate (or flow rate)
Liquid level
Microradiation level
Pressure difference|| tt||Oil pressure
Operation status
Automatic display
High and low
Record
MMM
MMM
vy| |tt||MMM
3 Communication
Communication links must be established between the main operating positions of the system and between the system and the reactor auxiliary plant control room and the radioactive solid waste storage duty room in the plant area. 8.4 See Table 1 for the specific requirements for process instrumentation and control of this system. Table 1 Instrumentation and control requirements for radioactive solid waste treatment systems Requirements for measurement and control content
service police
or fat signal
record
set
hold Waste collection system
Wet waste pretreatment system
Preparation
a. Waste liquid tank
b. Waste resin, filter sludge
Phase separator , waste mixing tank\)
a. Dewatering filter
centrifuge
b.
c, wiped film evaporator
Measurement content
Trough level
Temperature
Heat accompanying
Trough level
Mud level
Air pressure or water (mixing||tt ||Liquid) pressure
Pressure difference or filter cake thickness
Feed rate
Liquid turbidity
Drum torque
Drum vibration| |tt||Lubricating oil level
The drum does not rotate
Steam flow
Steam pressure
Feed flow
Feed temperature||tt ||Discharge flow
Discharge temperature
Condensate flow
Condensate conductivity
Automatic display
Record
High and low| |tt||Automatic control
Recommended measurement and control content
Move alarm
Record
Or time signal
Automatic display
Record Peel
Stop pump at low liquid level
Heat accompanying fault alarm
MM stop pump at low liquid level
Vy
Stop feeding
Stop Feeding
MM
VMM steam flow
MMM
MM
Automatic control
Recirculation
Recirculation|| tt||Wet waste pretreatment system
solid
chemical
agent
system
system
fixed packaging system||tt| |Equipment
Equipment
c. Wiped film evaporator
a: cement
asphalt
b.
c, thermosetting Plastic monomer
d.
a.
b.
Additive
Waste supply
Periodizer||tt| |c, additives
container
radioactivity level
a. filter
ten waste compression zone
+
b. pressure head (Hydraulic)
c, exhaust hood fanbzxz.net
GB9134—88
Continued Table 1
Required measurement and control content
Alarm||tt| |Record
or signal
Measurement content
Recirculation flow
Operating pressure
Discharge density
Rotor speed||tt| |Rotor current
storage tank level
exhaust filter pressure difference
tank level
temperature
tank heating
tank Liquid level
Temperature
Semen level
Flow rate (or flow rate)
Liquid level
Microradiation level
Pressure difference|| tt||Oil pressure
Operation status
Automatic display
High and low
Record
MMM
MMM
vy| |tt||MMM
3 Communication
Communication links must be established between the main operating positions of the system and between the system and the reactor auxiliary plant control room and the radioactive solid waste storage duty room in the plant area. 8.4 See Table 1 for the specific requirements for process instrumentation and control of this system. Table 1 Instrumentation and control requirements for radioactive solid waste treatment systems Requirements for measurement and control content
service police
or fat signal
record
set
hold Waste collection system
Wet waste pretreatment system
Preparation
a. Waste liquid tank
b. Waste resin, filter sludge
Phase separator , waste mixing tank\)
a. Dewatering filter
centrifuge
b.
c, wiped film evaporator
Measurement content
Trough level
Temperature
Heat accompanying
Trough level
Mud level
Air pressure or water (mixing||tt ||Liquid) pressure
Pressure difference or filter cake thickness
Feed rate
Liquid turbidity
Drum torque
Drum vibration| |tt||Lubricating oil level
The drum does not rotate
Steam flow
Steam pressure
Feed flow
Feed temperature||tt ||Discharge flow
Discharge temperature
Condensate flow
Condensate conductivity
Automatic display
Record
High and low| |tt||Automatic control
Recommended measurement and control content
Move alarm
Record
Or time signal
Automatic display
Record Peel
Stop pump at low liquid level
Heat accompanying fault alarm
MM stop pump at low liquid level
Vy
Stop feeding
Stop Feeding
MM
VMM steam flow
MMM
MM
Automatic control
Recirculation
Recirculation|| tt||Wet waste pretreatment system
solid
chemical
agent
system
system
fixed packaging system||tt| |Equipment
Equipment
c. Wiped film evaporator
a: cement
asphalt
b.
c, thermosetting Plastic monomer
d.
a.
b.
Additive
Waste supply
Periodizer||tt| |c, additives
container
radioactivity level
a. filter
ten waste compression zone
+
b. pressure head (Hydraulic)
c, exhaust hood fan
GB9134—88
Continued Table 1
Required measurement and control content
Alarm||tt| |Record
or signal
Measurement content
Recirculation flow
Operating pressure
Discharge density
Rotor speed||tt| |Rotor current
storage tank level
exhaust filter pressure difference
tank level
temperature
tank heating
tank Liquid level
Temperature
Semen level
Flow rate (or flow rate)
Liquid level
Microradiation level
Pressure difference|| tt||Oil pressure
Operation status
Automatic display
High and low
Record
MMM
MMM
vy| |tt||MMM
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