Some standard content:
Machinery Industry Standard of the People's Republic of China
JB/T3200—1997
External Filter Surface Drum Vacuum Filter
1997-10-05 Issued
Ministry of Machinery Industry of the People's Republic of China
1998-01-01 Implementation
JB/T3200—1997
This standard is a revision of JB320083 "Types and Basic Parameters of External Filter Surface Drum Vacuum Filter" and JB3201-83 "Technical Conditions of External Filter Surface Drum Vacuum Filter", and is combined into one standard. This standard replaces JB3200-83 and JB3201-83 from the date of entry into force. This standard is proposed and managed by the National Technical Committee for Separation Machinery Standardization. The drafting units of this standard are Shanghai Chemical Machinery Factory and Sichuan Chemical Machinery Factory. The main drafters of this standard are Zhang Renhe, Jin Baoniu, Huang Huan, and Fu Xueru. 1
1 Scope
Machinery Industry Standard of the People's Republic of China
External Filter Drum Vacuum Filter
JB/T3200-1997
Replaces JB3200-83
JB3201-83
This standard specifies the type and basic parameters, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of external filter drum vacuum filter (hereinafter referred to as filter). This standard applies to external filter drum vacuum filter. 2 Referenced Standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and parties using this standard should explore the possibility of using the latest version of the following standards. GB150—89
GB191—90
GB 699—88
GB 70079
GB/T1184—1996
GB 1348—88
GB2100—80
GB 3077-88
GB3280—92
GB4228—84
GB4237—92
GB6388—86
GB7780—87
GB 943988
GB 10894—89
GB11352—89
GB/T 1330691
GB/T1338492
JB438587
JB/T721794
HGJ32—90
3 Types and basic parameters
Structural type
Steel pressure vessels
Packaging, storage and transportation diagrams and signs
Technical conditions for high-quality carbon structural steel
Technical conditions for ordinary carbon structural steel
Shape and position tolerances without tolerance values
Ductile iron castings
Stainless acid-resistant steel castings: technical conditions
Technical conditions for alloy structural steel
Stainless steel cold-rolled steel plates|| tt||Stainless steel for forgings
Hot-rolled stainless steel plates
Marks for shipping and receiving of transport packages
Model compilation method for filters
Gray cast iron parts
Determination of sound power level of noise in separation machinery-engineering methodCasting carbon steel parts for general engineering
General technical conditions for packaging of electromechanical products
General technical conditions for free forgings on hammers
General technical conditions for coating of separation machinery
Rubber lining chemical equipment
Approved by the Ministry of Machinery Industry on October 5, 1997
Implemented on January 1, 1998
JB/T3200-1997||tt| |Outer filter surface drum vacuum filter can be divided into the following categories according to its structural features: a) G type -
b) GS type -
Ordinary outer filter surface drum vacuum filter (see Figure 1): Figure 1 Schematic diagram of the structure of ordinary outer filter surface drum vacuum filter Deep immersion outer filter surface drum vacuum filter (see Figure 2); Figure 2 Schematic diagram of the structure of deep immersion outer filter surface drum vacuum filter GE type
- Pre-coating outer filter surface drum vacuum filter (see Figure 3); Figure 3 Schematic diagram of the structure of pre-coating outer filter surface drum vacuum filter GH- Top feeding outer filter surface drum vacuum filter (see Figure 4): d)
e) Gw type
fGM type
JB/T3 200-1997
Figure 4 Schematic diagram of the structure of the top-feeding type external filter surface drum vacuum filter-gridless external filter surface drum vacuum filter (see Figure 5): Figure 5 Schematic diagram of the structure of the gridless external filter surface drum vacuum filter Closed external filter surface drum vacuum filter (see Figure 6); Figure 6 Schematic diagram of the structure of the closed external filter surface drum vacuum filter JB/T3200-1997
g) GC type-
-permanent magnet type external filter surface drum vacuum filter; h) GL type-drop type external filter surface drum vacuum filter (see Figure 7); Figure 7 Schematic diagram of the structure of the drop type external filter surface drum vacuum filter i) GA type-double drum type external filter surface drum vacuum filter. 3.2 Basic parameters
The basic parameters of the external filter surface drum vacuum filter shall comply with the provisions of Table 1. Table 1
Filter area
0.25, 0.5
15, 20, 25
Drum diameter
First series
Model representation
Second series
Drum speed
Filter area
40, 45
55, 60
Drum diameter
First series
Second series
Drum speed
3.3.1 The model compilation method of external filter surface drum vacuum filter shall comply with the provisions of GB7780. The specific expression method is as follows: 4
3.3.2 Marking example
JB/T3200—1997
Revision code: A, B, C..
Material code for the part in contact with the separation
material
Corrosion-resistant steel
Aluminum alloy
Rubber or rubber lining
Plastic coating
Filtration area/drum diameter
Scraper unloading
Air scraper unloading
Rope unloading
Characteristic code
Folded belt unloading
Wire unloading
Roller unloading
Ordinary external filter surface drum vacuum filter
Deep immersion external filter surface drum vacuum filter
Pre-coating external filter surface drum vacuum filter
Top feeding external filter surface drum vacuum filter Drum vacuum filter gridless outer filter surface drum vacuum filter
sealed outer filter surface drum vacuum filter
permanent magnet outer filter surface drum vacuum filter
drop type outer filter surface drum vacuum filter
double drum type outer filter surface drum vacuum filter not indicated
not indicated
a) ordinary scraper discharge outer filter surface drum vacuum filter, filtering area 20m2, drum diameter 2.5m, The rubber lining of the drum is marked as C20/2.5-X Drum Vacuum Filter
Deep immersion roller discharge outer filter surface drum vacuum filter, filter area 30㎡, drum diameter 3m The rubber lining of the drum is marked as: b)
GSG30/3-X Drum Vacuum Filter
4 Technical Requirements
General Requirements
The filter shall comply with the provisions of this standard and be manufactured according to the drawings and technical documents approved by the prescribed procedures. 4.2 Material Requirements
JB/T3200-1997
4.2.1 The materials of the main parts of the filter shall have a material quality certificate. 4.2.2 Cast iron parts shall comply with the provisions of GB9439 or GB1348. 4.2.3 Cast steel parts shall comply with the provisions of GB11352 or GB2100. 4.2.4 Carbon steel shall comply with the provisions of GB700 or GB699, 4.2.5 Alloy structural steel shall comply with the provisions of GB3077. 4.2.6 Stainless acid-resistant steel shall comply with the provisions of GB3280 or GB4237. 4.2.7 Forgings shall comply with the provisions of JB4385 or GB4228. 4.3 Quality requirements for main parts
4.3.1 Main castings such as drum, distribution head, staggered air shaft, hollow shaft, etc. shall be subjected to aging treatment. 4.3.2 Main welded parts such as distribution head, staggered air shaft, hollow shaft, etc. shall be subjected to internal stress elimination heat treatment. 4.3.3 The welding of drum, distribution head, staggered air shaft shall comply with the provisions of 10.3 of GB150-89. 4.3.4 The chambers of drum, distribution head, staggered air shaft are not allowed to communicate with each other, and screw holes that allow them to pass through are not allowed. 4.3.5 The mating surfaces of the fixed degassing disc and the rotating degassing disc shall generally be scraped and ground, with uniform scraping points. Within any 25mm×25mm range, the number of contact points shall be no less than 13.
4.3.6 The flatness of the mating surfaces of the fixed degassing disc and the rotating degassing disc that are not scraped and ground shall not be less than the Grade 5 accuracy specified in GB/T1184.
4.4 Assembly requirements
4.4.1 The chambers of the drum, degassing shaft, and rotating degassing disc shall be aligned accordingly, with the misalignment deviation not exceeding 2mm. 4.4.2 The head of the screw connecting the degassing disc shall be at least 2mm lower than the mating surface of the degassing disc. 4.4.3 The outer cylindrical surface of the assembled drum shall not have obvious depressions and protrusions. The radial runout of the outer cylindrical surface of the drum relative to the common axis of the left and right journals shall be calculated according to the drum diameter D: the belt filter, rope filter and pre-coating filter shall not exceed 0.0015D; the other filters shall not exceed 0.0012D
4.4.4 The cutting edge of the unloading scraper and stripping roller, the generatrix of the pressing roller shall be parallel to the generatrix of the drum, and the parallelism shall not exceed 0.5mm per 1000mm and the total length shall not exceed 2mm.
4.4.5 The parallelism of the axis of the rollers such as the expansion roller, guide roller, and regulating roller with the axis of the drum shall not be less than the 11th grade accuracy specified in GB/T1184.
4.4.6 The purchased supporting equipment (reducer, transmission, motor, etc.) shall have a factory certificate. 4.5 Sealing requirements
4.5.1 The mating surfaces of the fixed gas disc and the rotating gas disc should be in close contact, and the mating clearance should not be greater than 0.05mm4.5.2 The welded drum, distribution head, and gas shaft chambers of the non-rubber lined filter should not leak. 4.5.3 The liquid storage tank, washing tank, slurry feed tank, dilution tank, etc. of the non-rubber lined filter should not leak. 4.6 Appearance quality
4.6.1 The outer surfaces of the stainless steel drum, distribution head, etc. of the filter should be passivated, and there should be no obvious hammer marks and scratches. 4.6.2 Except for stainless steel, the outer surfaces of the non-processed metal parts of the filter should be painted; the inner surfaces of the non-processed metal parts should be painted with anti-rust primer. It should comply with the provisions of JB/T7217.
4.6.3 The appearance of the rubber lining and the quality of its bonding with metal for rubber-lined drums, distribution heads, staggered air shafts, hollow shafts, liquid storage tanks, etc. shall comply with the provisions of HGJ32.
4.7 Safety requirements
4.7.1 The filter shall have a rotation direction mark. JB/T3200-1997
4.7.2 The open transmission device shall have a removable protective cover. 4.7.3 The electrical control box and the motor shall be reliably grounded. 4.8 Environmental requirements
The electrical control box of the filter shall be able to work normally under the conditions of an ambient temperature of -10 to +40°C, relative air humidity of no more than 80%, and no medium corrosion.
4.9 Performance
4.9.1 The rotating speed of the drum, the speed of the stripping roller, the number of swings of the agitator, and the automatic feed speed of the unloading scraper shall comply with the design requirements. 4.9.2 All moving parts run smoothly, speed regulation is flexible and reliable, and there is no looseness, collision, or jamming between parts. 4.9.3 The temperature rise of the main bearing is not more than 35℃ when running without load, and not more than 40℃ when running under load. 4.9.4 The filter cloth should not deviate during operation, and its anti-deviation device should be able to effectively ensure that the filter cloth stably covers the outer surface of the drum. 4.9.5 The noise (sound power level) of the filter with a filtration area less than 20m2 shall not exceed 100dB (A): The noise (sound power level) of the filter with a filtration area greater than or equal to 20m2 shall not exceed 103dB (A). 4.9.6 The filter cake after filtration should be unloaded once. The filter cloth regenerates well, and there is no obvious stain on the surface of the filter cloth after cleaning. 4.9.7 The main economic and technical indicators of the filter such as production capacity, liquid content of filter cake, solid content of filtrate, and vacuum degree shall meet the design requirements. 4.9.8 Under normal use, the average trouble-free working time of the filter is as follows: a) 4600h for rubber-lined filter;
b) 6000h for folded belt filter, rope filter, pre-coated filter; c) 8000h for other filters.
5 Test method
5.1 Sealing test
5.1.1 The leakage test method for each chamber of the drum, distribution head, and staggered air shaft without rubber lining can be selected from the following two methods with equal effectiveness:
a) Carry out air tightness test under 0.03MPa air pressure, and keep no leakage for 10min; b) Carry out kerosene leakage test, and keep no leakage for 15min. 5.1.2 The leakage test method for the liquid storage tank, washing tank, slurry feeding tank, dilution tank, etc. of the non-rubber lined filter can be selected from the following two methods with equal effectiveness:
a) Conduct a water test and keep it for 20 minutes without leakage: b) Conduct a kerosene leakage test and keep it for 15 minutes without leakage. 5.2 Idle operation test
5.2.1 Document inspection before test
a) Material quality certificate of main parts such as drum, staggered air shaft, distribution head, liquid storage tank; b) Sealing test report of drum, staggered air shaft, distribution head; ) Factory certificate of main purchased parts and supporting parts such as reducer, transmission, motor, etc. 5.2.2 Safety inspection before test shall be in accordance with the provisions of 4.7. 7
JB/T3200-1997
5.2.3 The filter idle operation test shall be carried out at the highest speed, and the continuous operation time shall not be less than 2h. 5.2.4 Operation test
5.2.4.1 Measurement of temperature rise of main bearing
Before the filter is operated, the room temperature is measured with a thermometer. After 2 hours of continuous operation, the temperature of the main bearing is measured with a point thermometer. 5.2.4.2 Noise measurement
Noise measurement shall be carried out in accordance with the provisions of GB10894. 5.3 Load operation test
5.3.1 After the filter has passed the idle operation test, the load operation test shall be carried out under rated operating conditions, with a continuous operation time of not less than 8 hours. The load operation test is allowed to be carried out at the user's unit. 5.3.2 Measurement of temperature rise of main bearing
Before the filter is operated, the room temperature is measured with a thermometer. After 8 hours of continuous operation, the temperature of the main bearing is measured with a point thermometer. 5.3.3 Noise measurement
Noise measurement shall be carried out in accordance with the provisions of GB10894. 5.3.4 Determination of production capacity
Under rated working conditions, the amount of filter cake discharged per unit time (t/h) with liquid content in accordance with relevant regulations; under rated working conditions, the amount of suspension treated per unit time with concentration in accordance with relevant regulations (m/h, /h). 5.3.5 Measurement of liquid content in filter cake
a) Sampling location and method: Take three samples at intervals at the outlet of the filter cake, each sample shall not be less than 50g; b) Measurement method: After the three samples are mixed and weighed with a 1/10,000 precision balance, they are placed in an oven. The drying temperature is determined according to relevant regulations depending on the material. After drying for 1.5 hours, they are weighed with a 1/10,000 precision balance and then placed in an oven for further drying. Take out and weigh every 0.5 hours until constant weight (the difference between two weighings is less than 2mg). Then calculate according to formula (1). mi)x100%
y=（1-
Wherein: Liquid content of filter cake:
--mass of sample before drying, mg;
m, mass of sample after drying, mg.
For filter cakes that are not allowed to be dried, other methods can be used to measure the liquid content. 5.3.6 Measurement of solid content in filtrate
a) Sampling location and method: Take three samples at intervals at the filtrate outlet, each of which is not less than 100mL; (1)
b) Measurement method: After mixing the three samples, take a volume of 100mL of filtrate and filter it with rapid qualitative paper. Put the filter paper and the filtered solid into an oven. The drying temperature is determined according to relevant standards depending on the material. After drying for 1.5 hours, weigh it with a 1/10,000 precision balance and put it into the oven to continue drying. Take it out and weigh it every 0.5 hours until it reaches a constant weight (the difference between the two weighings is less than 2mg). Then calculate according to formula (2). Z-81-g2
Solid content of filtrate, mg/L:
Where: z
Mass of filter paper and solid, mg:
-Mass of filter paper dried before filtration, mg; Volume of filtrate, L
JB/T3200-1997
For filter cakes that are not allowed to be dried, other methods can be used to measure the solid content of the filtrate. 6 Inspection rules
6.1 Inspection classification
Filter product inspection is divided into factory inspection (idle running test) and type inspection. 6.2 Factory inspection
Filters should be inspected for delivery one by one. The factory inspection shall be carried out in accordance with the provisions of 5.3. After passing the inspection, a product certificate shall be attached. 6.3 Type inspection
6.3.1 If any of the following conditions are met, type inspection shall be carried out: a) New products or old products that are transferred to other factories; after formal production, if there are major changes in structure, materials, and processes that may affect the performance of the product; b)
c) During formal production, inspection shall be carried out once a year after regular production or after a certain amount of production has been accumulated; d) When the product is resumed after one year of suspension; when the factory inspection results are significantly different from the last type inspection; e)
f) When the national quality supervision agency proposes a requirement for type inspection. 6.3.2 Type inspection shall be carried out in accordance with the provisions of Chapters 4 and 5. 7 Marking, packaging, transportation and storage
7.1 Marking
Each filter shall have a durable product label fixed in a conspicuous position, and the label size and technical requirements shall comply with the provisions of GB/T13306. The following information should be marked on the label:
a) Model and name of the filter:
b) Main technical parameters:
Filtration area
Drum diameter
Drum speed Www.bzxZ.net
Number of swings of the agitator
Main motor power
Filter mass
Overall dimensions
c) Factory number:
d) Manufacturing date;
e) Manufacturer's name.
7.2 Packaging
r/min;
7.2.1 The filter can be packaged as a whole or in parts depending on its size and complexity. The filter must be packaged after passing the empty-running test, and corresponding assembly marks must be made on the disassembled parts. 7.2.2 The packaging of the filter should comply with the provisions of GB/T13384. 7.2.3 The markings on the outside of the packing box shall comply with the provisions of GB191. 9
JB/T3200-1997
7.2.4 The delivery and receipt markings on the outside of the packing box shall comply with the provisions of GB63887.2.5
Handling.
The exposed processing surfaces of the accessories, spare parts, special tools and main machine in the filter that may be corroded by the atmosphere shall be rust-proofed before packaging. The following documents shall be carried with the filter when it leaves the factory: Packing list;
Product certificate:
Product manual:
List of random spare parts and accessories;
e) Installation drawing;
D Other relevant technical information.
7.3 Transportation
During the shipment, the filter shall not be rolled or inverted, and the distribution head and drum shall not be squeezed or damaged. 7.4 Storage
The rubber lining surface of the rubber lined filter shall be kept away from direct sunlight. When the temperature is below 2℃ or above 40℃, antifreeze or heat protection measures shall be taken. The filter shall be placed in a sheltered place with a relative humidity of less than 80%, a temperature not higher than 40℃, and no corrosive media. 3 Quality Assurance Period
If the user complies with the storage, installation and operation rules specified in the product manual, within 1 year from the date of shipment from the manufacturer, if the filter is damaged or fails to work properly due to poor manufacturing quality, the manufacturer shall be responsible for repair or replacement free of charge (excluding wearing parts).
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