CJJ/T 30-1999 Technical regulations for operation, maintenance and safety of urban feces treatment plants
Some standard content:
Engineering Construction Standard Full Text Information System
Industry Standard of the People's Republic of China
Operation, Maintenance and Safety of Urban Night Soil Treatment PlantbzxZ.net
CJJ/T30—99
1999Beijing
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Industry Standard of the People's Republic of China
Operation, Maintenance and Safety of Urban Night Soil Treatment Plant
Technical specification for operation, maintenance and safety of urban night soil treatment plant
CJJ/T30—99
1999Beijing
Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
Industry Standard of the People's Republic of China
Technical specification for operation, maintenance and safety of urban night soil treatment plant plantCJJ/T30—99
Editing unit: Wuhan Urban Construction Institute
Approving department: Ministry of Construction of the People's Republic of China Effective date: August 1, 1999
Engineering Construction Standard Full-text Information System
kANiKAca
Engineering Construction Standard Full-text Information System
Notice on the Release of the Industry Standard "Operation, Maintenance and Safety Technical Regulations for Urban Excrement Treatment Plants" Construction Standard [1999] No. 95
In accordance with the requirements of the Ministry of Construction's "Notice on Issuing the 1994 Engineering Construction Industry Standard Formulation and Revision Project Plan (the First Batch of the Ministry of Construction)" (Construction Standard [1994314]), the "Operation, Maintenance and Safety Technical Regulations for Urban Excrement Treatment Plants" edited by Wuhan Urban Construction Institute has been reviewed and approved as a recommended industry standard, numbered CJJ/T30—99, and will be implemented on August 1, 1999. This standard is managed by the Shanghai Municipal Environmental Sanitation Administration, the technical unit responsible for urban environmental sanitation standards of the Ministry of Construction, and is interpreted by Wuhan Urban Construction College. It is published by the China Construction Industry Press organized by the Standard and Quota Research Institute of the Ministry of Construction. Ministry of Construction of the People's Republic of China
April 13, 1999
Engineering Construction Standards Full Text Information System
Engineering Construction Standards Full Text Information System
According to the requirements of the Ministry of Construction's Document No. 314 [1994], the standard drafting group has formulated this regulation on the basis of extensive investigation and research, careful summary of practical experience, reference to relevant international standards and foreign advanced standards, and extensive solicitation of opinions. The main technical contents of this regulation are: 1. General provisions for the operation and management of urban feces treatment plants and the operation and management of major structures; 2. General provisions for the maintenance of urban feces treatment plants and the maintenance of major structures; 3. Provisions for safety protection and safe operation of urban feces treatment plants.
This regulation is managed by the Shanghai Municipal Environmental Sanitation Administration, the technical unit responsible for urban environmental sanitation standards of the Ministry of Construction, and is authorized to be interpreted by the main editor. The main editor of this code is: Wuhan Urban Construction Institute (Address: Ma'anshan, Wuchang, Wuhan; Postal Code: 430074)
The participating units of this code are: Shenzhen Environmental Sanitation Management Office Qingdao Feces Harmless Treatment Plant
Guangzhou Liede Feces Harmless Treatment Plant
Tang Yingzhong
The main drafters of this code are: Chen Zhulei He Wei Xiang Hao Xuelong
Quan Hongdong Xu Jiamei
Shen Xueqin
Tang Kemin
Engineering Construction Standard Full-text Information System
KANTK Aca
Engineering Construction Standard Full-text Information System||tt ||General Provisions·
Operation Management·
General Provisions
Grit Receiving Tank
Storage and Adjustment Tank
Gravity Thickening Tank
Biological Trickling Filter
Disinfection Facilities
Anaerobic Digester
Sludge Dewatering Facilities·
Biogas Tank
Boiler Room
Central Control Room.
Monitoring Room·
Maintenance and Maintenance
General Provisions
Grit Receiving Tank
Storage and Adjustment Tank
Gravity Thickening Tank
Biological Trickling Filter
Disinfection Facilities
Anaerobic digester
Sludge dewatering facilities
4.10 Biogas tank·
Engineering construction standard full-text information system
Engineering construction standard full-text information system
Boiler room
Central control room
Monitoring room
Central control room 6 heart and heart electric heart
General provisions
Hazard prevention
Disinfection facilities
Anaerobic digester
Biogas tank
Boiler room
Monitoring room
Explanation of terms used in this regulation
Engineering 6 construction Standard full text information system
9000000+++000000000...00000
*.66.0600000000000000000
665666666
KAONTKAca=
Engineering construction standard full text information system
1 In order to ensure the safe and normal operation of urban feces treatment plants, so that the general operation, maintenance and safety protection of feces treatment plants can be carried out according to the specified requirements, and achieve the purpose of feces treatment plants to treat feces and prevent feces pollution, this regulation is formulated. 1.0.2
This regulation is applicable to urban feces treatment plants. 1.0.3 In addition to complying with this regulation, the operation, maintenance and safety of urban feces treatment plants shall also comply with the provisions of the relevant mandatory standards currently in force in the country. Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
2.0.1Acceptor and grit catcherA facility that accepts feces unloaded by vacuum suction trucks or other special transportation vehicles and separates inorganic particles with a larger specific gravity in the feces. 2.0.2Bar screen
A device that intercepts and removes larger inclusions in feces. 2.0.3Storage and conditioning tanksStorage and conditioning tanksFacility for storing and regulating the properties and quantity of feces. 2.0.4Gravity thickenerGravity thickenerFacility for reducing the volume of fecal sludge and performing solid-liquid separation. 2.0.5Biological trickling filterBiological trickling filterA facility for aerobic biological treatment of the supernatant of the thickening tank, anaerobic digester, and sludge water produced during sludge dehydration to remove organic pollutants in the liquid. 2.0.6Disinfecting facilityDisinfecting facilityA facility for adding chlorine to make the discharged water sanitary and harmless. 2.0.7 Anaerobic digester Anaerobic digester A facility that stabilizes the organic matter in fecal sludge and makes it easy to separate solids and liquids in an anaerobic state.
3 Sludge dewatering facility Sludge dewatering facility Various facilities for artificial filter layer natural drying or mechanical dewatering of sludge produced in the process of fecal treatment.
Biogas tank Biogas tank
Equipment for storing biogas produced by anaerobic digesters and regulating gas supply and consumption. Engineering Construction Standard Full Text Information System
TKAONT KAca-
Engineering Construction Standard Full Text Information System
3 Operation Management
3.1 General Provisions
3.1.1 Operation management personnel must be familiar with the operation requirements and technical indicators of the plant's treatment process and facilities and equipment.
3.1.2 Operators must be familiar with the operation requirements and technical indicators of the facilities and equipment in their positions, and should understand the plant's treatment process.
3.1.3 Operators must undergo technical training and pass the assessment before they can take up their posts. 3.1.4 Necessary work charts, operating procedures and operating instructions should be posted in conspicuous locations of each post.
3.1.5 Operators at each post should fill in necessary operation records on time and accurately. Operation management personnel should regularly check the original records. 3.1.6
8 Operation management personnel and operators should regularly or regularly inspect the operation and working conditions of facilities, equipment, electrical appliances and instruments according to process and management requirements. 3.1.7 When operators find abnormal operation, they should take corresponding measures and report to the competent department in a timely manner.
3.1.8 The equipment should be fully inspected and prepared before it can be started. Various facilities and equipment should always be kept clean to avoid water, mud and gas leakage. 3.1.9
The measurement of feces treatment plants should meet the national third-level measurement qualification unit. 3.1.11 The requirements for effluent quality and sludge treatment of feces treatment plants should be implemented in accordance with the current national standards "Comprehensive Sewage Discharge Standard" (GB8978), "Farmland Irrigation Water Quality Standard" (GB50804), "Pollutant Control Standard in Agricultural Sludge" (GB4284) and "Hygiene Standard for Harmless Treatment of Feces" (GB7959). 3.2 Receiving Grit Tank
3.2.1 The raw materials received by the receiving port should be human feces and septic tank sludge collected by special transportation vehicles. It is strictly forbidden to accept toxic and harmful sludge. Engineering Construction Standard Full-text Information System
Engineering Construction Standard Full-text Information System
The main work of cleaning the feces suction truck should be carried out in a designated place far away from the receiving port to avoid blocking other feces suction trucks from unloading feces.
3.2.3 The operator shall clean and wash the receiving port in time, and fill in the record form of the amount of feces entering the factory (car/day).
3.2.4 The sand removal equipment shall be operated at least once a week. The operator shall monitor on site and take timely treatment measures when a fault is found.
3.2.5 The discharged sediment shall not be stored in an exposed state, but shall be transported out in time and sanitary disposal measures shall be taken. The amount of discharged sand shall be counted.
3.3 Grille
The inclusions intercepted by the grille shall be removed in time. Sanitary disposal measures shall be taken for the removed inclusions.
2 When mechanically removing the inclusions, the operation of the electromechanical equipment shall be monitored. 3.3.3 When manually removing the inclusions, attention shall be paid to monitoring and good ventilation shall be maintained. 3.3.4
The amount of inclusions shall be counted.
3.4 Purchase and storage regulating tank
The water level of the storage regulating tank shall be kept normal.
2 The operator should frequently check the slag removal device. 3.4.2
The slag removed shall not be stored in an exposed state, but shall be piled up in a designated location, and sanitary disposal measures shall be taken.
3.5 Gravity thickening tank
The thickening tank should be operated intermittently.
2 The thickening time should be 3 to 6 hours.
The water content of the sludge discharged from the thickening tank shall not be greater than 98%. 4 When sludge expansion occurs in the thickening tank, measures shall be taken to restore the normal state according to the specific reasons. 3.5.4
5 The operator should frequently check the slag removal device and remove the slag in time. 3.5.5
3.5.6 The slag removed shall be disposed of sanitarily. Engineering Construction Standard Full Text Information System
KANTKAca
Engineering Construction Standard Full Text Information System
3.6 Biological Trickling Filter
3.6.1 The startup of biological trickling filter shall comply with the following provisions: 1. Before startup, the trickling filters and sedimentation tanks at all levels, various pipelines, valves, pumps and other mechanical equipment shall be inspected.
2. During startup, the supernatant flow rate entering the trickling filter should be controlled at 1/4 of the design value. 3. During startup, the biological phase on the filter material of each level of trickling filter should be frequently observed, and the BODs and SS values of the effluent from each level of sedimentation tank should be regularly measured. 4. When the BOD and SS values of the effluent from the last level of sedimentation tank reach the design requirements, the supernatant flow rate can be gradually increased to the design value. 3.6.2 For the supernatant treatment system using three-stage trickling filters, the operation of the first and second level trickling filters should be alternated once a week.
3.6.3 If the water inflow to the trickling filter is uneven or the water outlet of the spray arm is blocked, the cause should be analyzed in time and corresponding measures should be taken to restore normal operation.
3.6.4 If the trickling filter is blocked and overflows, the following corresponding measures should be taken according to the specific cause to restore normal operation:
1. Rinse the surface of the trickling filter with pressurized water;
2. Stir the surface filter material of the trickling filter;
3. Increase the hydraulic load of the trickling filter;
4. Stop the operation of a certain level of the blocked trickling filter for several days until it is dry. 3.6.5 During the operation of the trickling filter, attention should be paid to preventing the breeding of mosquitoes and flies. 3.6.6
When abnormal phenomena such as sludge floating and water short circuit occur in the sedimentation tank, the cause should be analyzed, the system operation parameters should be adjusted or corresponding measures should be taken to restore normal operation. 3.6.7 The sludge discharge cycle of each level of sedimentation tank can be determined according to the sludge settling ratio, sludge volume, nitrification degree and sludge concentration characteristics.
3.7 Disinfection facilities
3.7.1 When chlorination is used for disinfection after the supernatant is treated, the amount of chlorine added should be determined by test based on the water quality of the supernatant and the environmental requirements of the discharged water body. 3.7.2 The chlorination operation should comply with the following provisions: Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
1. The chlorination equipment should be checked before starting the pump, and all preparations before chlorination should be done. 2. Chlorination should be carried out according to the operating procedures of various chlorination equipment. 3. The main chlorine outlet valve should be closed 2~3 minutes in advance before stopping the pump. 3.7.3 The management of the chlorination room should comply with the following provisions: 1. The chlorination room should be fireproof, antifreeze, and well ventilated, and the indoor temperature should be maintained at 15~25℃.
2. The chlorination room should be equipped with gas masks, maintenance tools, emergency repair materials, leak detection ammonia water, etc., and should be placed in a fixed location.
3. Gas masks should be used by fixed people, and record cards should be compiled for each mask. After use, gas masks should be cleaned, disinfected, dried and returned to their original places. 4. All kinds of pipe gate valves in the chlorination room should be promptly handled if leaks are found. 3.8 Anaerobic digester
3.8.1 The startup of anaerobic digester should comply with the following regulations: 1. The bottom sand of the digester and related facilities should be completely removed. If direct heating is adopted by steam riser, the accumulated sludge in the riser should be dredged; if heat exchanger is adopted, the accumulated sludge in it should be cleaned.
2. The digester should be tested for water and air tightness, and repaired when there is water or air leakage.
3. The various pipelines, valves, heating devices, stirring devices, gas collection systems and other auxiliary equipment of the digester should be inspected. 4. Various instruments related to the operation of the digester should be calibrated separately. 5. The digester can be started by inoculating sludge from other digesters, or by gradual culture or one-time culture. 3.8.2 The addition of feces to the digester should be carried out at a relatively stable dosing rate and interval.
3.8.3 The primary digester should maintain a constant digestion temperature. If heated by a heat exchanger, the outlet and inlet temperatures of the feces pipe of the heat exchanger should be measured daily. 3.8.4 The stirring of the primary digester can be continuous or intermittent. If biogas stirring is used, other methods such as propellers or pumps should be used during the startup period or when the gas production is insufficient. Engineering 6 Construction Standard Full Text Information System
KAONTKAca-4
5 The operator should frequently check the scum removal device and remove the scum in time. 3.5.5
3.5.6 The scum removed should be treated with sanitation measures. Engineering Construction Standard Full-text Information System
KANTKAca
Engineering Construction Standard Full-text Information System
3.6 Biological Trickling Filter
3.6.1 The start-up of the biological trickling filter shall comply with the following provisions: 1. Before starting, the trickling filters and sedimentation tanks at all levels, various pipelines, valves, pumps and other mechanical equipment shall be inspected.
2. During the start-up, the flow rate of the supernatant entering the trickling filter should be controlled at 1/4 of the design value. 3. During the start-up period, the biological phase on the filter material of each level of trickling filter should be frequently observed, and the BODs and SS values of the effluent from each level of sedimentation tank should be regularly measured. 4. When the BOD and SS values of the effluent from the last level of sedimentation tank reach the design requirements, the flow rate of the supernatant can be gradually increased to the design value. 3.6.2 For the supernatant treatment system using three-stage trickling filter, the operation of the first and second stage trickling filter should be alternated once a week.
3.6.3 If the water inflow into the trickling filter is uneven or the water outlet of the spray arm is blocked, the cause should be analyzed in time and corresponding measures should be taken to restore normality.
3.6.4 When the trickling filter is blocked and overflows, the following corresponding measures should be taken according to the specific cause to restore normality:
1. Rinse the surface of the trickling filter with pressurized water;
2. Stir the surface filter material of the trickling filter,
3. Increase the hydraulic load of the trickling filter;
4. Stop the operation of a certain level of the trickling filter for several days until it is dry. 3.6.5 During the operation of the trickling filter, attention should be paid to preventing the breeding of mosquitoes and flies. 3.6.6
When abnormal phenomena such as sludge floating and water short circuit occur in the sedimentation tank, the cause should be analyzed, the system operation parameters should be adjusted or corresponding measures should be taken to restore normality. 3.6.7 The sludge discharge cycle of each level of sedimentation tank can be determined according to the sludge settling ratio, sludge volume, nitrification degree and sludge concentration characteristics.
3.7 Disinfection facilities
3.7.1 When chlorination is used for disinfection after the supernatant is treated, the amount of chlorine should be determined by test according to the water quality of the supernatant and the environmental requirements of the discharged water body. 3.7.2 The chlorination operation shall comply with the following provisions: Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
1. Before starting the pump, the chlorination equipment should be checked and all preparations before chlorination should be done. 2. Chlorination should be carried out according to the operating procedures of various chlorination equipment. 3. The main chlorine outlet valve should be closed 2~3 minutes in advance before stopping the pump. 3.7.3 The management of the chlorination room should comply with the following provisions: 1. The chlorination room should be fireproof, antifreeze, and well ventilated, and the indoor temperature should be maintained at 15~25℃.
2. The chlorination room should be equipped with gas masks, maintenance tools, emergency repair materials, leak detection ammonia water, etc., and they should be placed in a fixed location.
3. Gas masks should be used by fixed people, and record cards should be compiled for each mask. Used gas masks should be cleaned, disinfected, dried, and returned to their original places. 4. Various pipe gate valves in the chlorination room should be promptly handled if leaks are found. 3.8 Anaerobic digester
3.8.1 The startup of anaerobic digester should comply with the following regulations: 1. The bottom sand of the digester and related facilities should be completely removed. If direct heating is adopted by steam riser, the accumulated sludge in the riser should be dredged; if a heat exchanger is adopted, the accumulated sludge in it should be cleaned.
2. The digester should be tested for water and air tightness, and repaired when there is water or air leakage.
3. Various pipelines, valves, heating devices, stirring devices, gas collection systems and other auxiliary equipment of the digester should be inspected. 4. Various instruments related to the operation of the digester should be calibrated separately. 5. The digester can be started by inoculating sludge from other digesters, or by gradual culture method or one-time culture method. 3.8.2 The addition of feces to the digester should be carried out at a relatively stable dosing rate and interval time.
3.8.3 The primary digester should maintain a constant digestion temperature. If heated by a heat exchanger, the outlet and inlet temperatures of the feces pipe of the heat exchanger should be measured daily. 3.8.4 The stirring of the primary digester can be continuous or intermittent. If biogas stirring is used, other methods such as propellers or pumps should be used during the startup period or when the gas production is insufficient. Engineering 6 Construction Standard Full Text Information System
KAONTKAca-4
5 The operator should frequently check the scum removal device and remove the scum in time. 3.5.5
3.5.6 The scum removed should be treated with sanitation measures. Engineering Construction Standard Full-text Information System
KANTKAca
Engineering Construction Standard Full-text Information System
3.6 Biological Trickling Filter
3.6.1 The start-up of the biological trickling filter shall comply with the following provisions: 1. Before starting, the trickling filters and sedimentation tanks at all levels, various pipelines, valves, pumps and other mechanical equipment shall be inspected.
2. During the start-up, the flow rate of the supernatant entering the trickling filter should be controlled at 1/4 of the design value. 3. During the start-up period, the biological phase on the filter material of each level of trickling filter should be frequently observed, and the BODs and SS values of the effluent from each level of sedimentation tank should be regularly measured. 4. When the BOD and SS values of the effluent from the last level of sedimentation tank reach the design requirements, the flow rate of the supernatant can be gradually increased to the design value. 3.6.2 For the supernatant treatment system using three-stage trickling filter, the operation of the first and second stage trickling filter should be alternated once a week.
3.6.3 If the water inflow into the trickling filter is uneven or the water outlet of the spray arm is blocked, the cause should be analyzed in time and corresponding measures should be taken to restore normality.
3.6.4 When the trickling filter is blocked and overflows, the following corresponding measures should be taken according to the specific cause to restore normality:
1. Rinse the surface of the trickling filter with pressurized water;
2. Stir the surface filter material of the trickling filter,
3. Increase the hydraulic load of the trickling filter;
4. Stop the operation of a certain level of the trickling filter for several days until it is dry. 3.6.5 During the operation of the trickling filter, attention should be paid to preventing the breeding of mosquitoes and flies. 3.6.6
When abnormal phenomena such as sludge floating and water short circuit occur in the sedimentation tank, the cause should be analyzed, the system operation parameters should be adjusted or corresponding measures should be taken to restore normality. 3.6.7 The sludge discharge cycle of each level of sedimentation tank can be determined according to the sludge settling ratio, sludge volume, nitrification degree and sludge concentration characteristics.
3.7 Disinfection facilities
3.7.1 When chlorination is used for disinfection after the supernatant is treated, the amount of chlorine should be determined by test according to the water quality of the supernatant and the environmental requirements of the discharged water body. 3.7.2 The chlorination operation shall comply with the following provisions: Engineering Construction Standard Full Text Information System
Engineering Construction Standard Full Text Information System
1. Before starting the pump, the chlorination equipment should be checked and all preparations before chlorination should be done. 2. Chlorination should be carried out according to the operating procedures of various chlorination equipment. 3. The main chlorine outlet valve should be closed 2~3 minutes in advance before stopping the pump. 3.7.3 The management of the chlorination room should comply with the following provisions: 1. The chlorination room should be fireproof, antifreeze, and well ventilated, and the indoor temperature should be maintained at 15~25℃.
2. The chlorination room should be equipped with gas masks, maintenance tools, emergency repair materials, leak detection ammonia water, etc., and they should be placed in a fixed location.
3. Gas masks should be used by fixed people, and record cards should be compiled for each mask. Used gas masks should be cleaned, disinfected, dried, and returned to their original places. 4. Various pipe gate valves in the chlorination room should be promptly handled if leaks are found. 3.8 Anaerobic digester
3.8.1 The startup of anaerobic digester should comply with the following regulations: 1. The bottom sand of the digester and related facilities should be completely removed. If direct heating is adopted by steam riser, the accumulated sludge in the riser should be dredged; if a heat exchanger is adopted, the accumulated sludge in it should be cleaned.
2. The digester should be tested for water and air tightness, and repaired when there is water or air leakage.
3. Various pipelines, valves, heating devices, stirring devices, gas collection systems and other auxiliary equipment of the digester should be inspected. 4. Various instruments related to the operation of the digester should be calibrated separately. 5. The digester can be started by inoculating sludge from other digesters, or by gradual culture method or one-time culture method. 3.8.2 The addition of feces to the digester should be carried out at a relatively stable dosing rate and interval time.
3.8.3 The primary digester should maintain a constant digestion temperature. If heated by a heat exchanger, the outlet and inlet temperatures of the feces pipe of the heat exchanger should be measured daily. 3.8.4 The stirring of the primary digester can be continuous or intermittent. If biogas stirring is used, other methods such as propellers or pumps should be used during the startup period or when the gas production is insufficient. Engineering 6 Construction Standard Full Text Information System
KAONTKAca-
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.