Replaced by JB/T 4333.3-2005 JB/T 5283-1997 Non-metallic filter plate filter frame JB/T5283-1997 Standard download and decompression password: www.bzxz.net

J77 | | tt | | JB |
The Ministry of Machinery Industry of the People's Republic of China·Issued 1998-01-01 for implementation
IB/T5283-1997
Previously
Preface
This standard is for JB/T5283-91 "Revision of non-metallic filter plate filter frame 3. Appendix A of this standard is a reminder appendix.
This standard will replace JB/T528391 from the effective date. This standard is proposed and coordinated by the National Technical Committee for Separation Machinery Standardization. This standard was drafted by: Hangzhou Anti-Corrosion Equipment General Factory, Hangzhou Xingyuan Filter Co., Ltd., Hebei Botou Filter Press General Factory and Jilin No. 1 Machinery Factory.
The main drafters of this standard: Lu Ming, Chen Haizhen, Zhang Ming. 1 Scope
Machinery Industry Standard of the People's Republic of China
Non-metallic filter plate filter frame
JB/T5283-1997
Fee JB/T5283-91||tt| |This standard specifies the technical requirements, test methods, inspection rules, packaging, transportation, storage, etc. for non-metal filter plates and filter couplings of coffin filter presses and collapse filter presses.
This standard applies to plastics And rubber filter plate, filter frame. 2 Referenced standards
The provisions contained in the following standards are construed as provisions of this standard by being cited in this standard. The editions indicated were valid at the time of publication of this standard. All standards are subject to revision and parties using this standard should explore the possibility of using the latest edition of the following standards. GB 19190
GB 6060.285
GB 638886
GB 752987
GB/T 13384-92
JB/T43331997
JB/T5152 —91
3 Technical requirements
3.1 Basic requirements
Packaging, storage and transportation pictorial mark
Surface roughness comparison sample
, grinding, turning, Mirroring, milling, inserting and planing processing surface transportation packaging receipt and delivery marks
General provisions for the appearance quality of molded and extruded rubber products General technical conditions for mechanical and electrical product packaging
Van filter press and plate press Filter technical conditions. Types and basic parameters of chamber filter presses and plate and frame presses. Non-metallic filter plates and filter frames should comply with the provisions of this standard and JB/T5152, and be manufactured according to drawings and technical documents approved by prescribed procedures. , if the user has special requirements, it will be manufactured according to the agreement signed by both parties. 3.2 Appearance quality
3.2.1 The color of the filter plates and filter frames of the same batch should be basically the same, and slight color differences are allowed. 3.2.2 The surface of the plastic filter plate and filter frame should be smooth and flat, without obvious cracks, pores, impurities and unevenly dispersed additives. 3.2.3 The rubber filter plate and filter frame should comply with the relevant regulations of GB7529. 3.2.4 The sealing surfaces of the filter plate and filter frame should have no scratches that affect the sealing performance. 3.3 Hygiene and safety requirements
The materials of filter plates and filter frames used in food, beverage, pharmaceutical and feed industries should comply with relevant regulations on food hygiene. 3.4 Material requirements
The materials for manufacturing filter plates and filter frames should comply with the relevant standards [see Appendix A (prompt appendix work), and have the supplier's quality certificate. If there is no certificate, it must be It can only be used after passing the inspection by the quality inspection department. 3.5 Geometric accuracy requirements
3.5.1 The nominal size deviation of the thickness of the filter plate and filter frame. The upper deviation of the nominal thickness of the two sealing surfaces after cutting is +1.5mm, and the lower deviation is +1.5mm. The nominal thickness deviation of the two sealing surfaces without pre-cutting is 10.0mm, and the lower deviation is -1.0mm. Approved by the Ministry of Machinery Industry on 1997-10-05
1998-01-01. Implementation
1
JB/T 5283--1997
3.5.2 The thickness difference between the two sealing surfaces of the same filter plate and the filter. The thickness difference between the two sealing surfaces processed by cutting should comply with According to the provisions of Table 1; the thickness difference between the two sealing surfaces without pre-cut processing shall not be greater than 1mm
Table 1
Outer dimensions
Thickness difference
400||tt| |0.2
>400~630
0. 25
>630~1000
≤0.3
3.5.3 Filter plate and filter frame sealing surface The surface roughness R shall not be greater than 6.3um. 3.6 The mechanical properties of the filter plate and filter frame shall meet the following requirements: >1000~1600
0. 4
mm
>1600~ 2500
≤0.5
The filter frame shall undergo a hydraulic pressure test at 1.25 times the filtration pressure. There should be no cracks and obvious deformation. Plastic filter plates with a filtration pressure not greater than 1.0MPa shall undergo a hydraulic pressure test on one side. , the maximum pressure when ruptured shall not be less than 40% of the filtration pressure. 3.7 The sealing performance of the diaphragm cavity and diaphragm strength of the filter plate with a pressing diaphragm shall comply with the relevant provisions of JB/T4333. 4 Test methods
4.1 The appearance quality of the filter plate and filter frame shall be visually inspected. 4.2 The thickness of the sealing surface of the filter plate and filter frame shall be measured at at least eight locations, namely the four corners and the middle of the four sides (for circular filter plates and frame-related parts to be measured). should be evenly distributed) and measured using universal measuring tools. 4.3 The surface roughness of the sealing surface of the filter plate and filter frame shall be measured according to the comparative sample block or surface roughness testing instrument and corresponding standards specified in GB6060.2, ||tt| |4.4 On the test bench (the test bench is shown in Figure 1), press the filter plate without any holes with compression pressure, and fill the single-sided cavity with water and pressurize it until it breaks
Direction of Medical Department
1-water phase; 2-water pump; 3-return valve; 4-stop valve, 5-pressure gauge: 6-thrust plate: 7-tested filter plate: 8-pressure plate diagram 1Filter plate and filter frame mechanical performance test bench
4.5 Diaphragm plate, diaphragm cavity sealing and diaphragm strength are tested according to the relevant regulations of JB/T4333. 5 Inspection rules
5.1 Factory inspection
5.1.1 The appearance quality and geometric accuracy requirements of the plates and filter frames should be inspected to meet the requirements of 3.2 and 3.5. 5.1.2 The requirements for the sealing performance of the diaphragm cavity of the diaphragm plate and the strength of the diaphragm should meet the requirements of 3.7. 5.2 Type inspection
5.2.1 Type inspection shall be carried out when one of the following situations occurs: a) Trial type identification of new products:
b) After formal production, such as structure, material and process When major changes may affect product performance: 2
JB/T5283-1997
c) During production, inspection should be carried out periodically or after accumulating a certain amount of output; d) Product When production is resumed after being suspended for more than 1 year; e) When the factory inspection results are significantly different from the last type inspection: f) When the national quality supervision agency makes a request for type inspection. 5.2.2 3.2~3.7 should be inspected during type inspection. 6 Packaging, transportation and storage
6.1 The filter plate and filter frame should be accompanied by a product quality certificate when leaving the factory. 6.2 Packaging
6.2.1 The packaging of filter plates and filter frames should comply with the regulations of GB/T13384. 6.2.2 The expression method and requirements of packaging marks should comply with the regulations of GB191. 6.2.3 The receipt and delivery marks of packaging should comply with the regulations of GB6388. 6.3 Transport and Storage
6.3.1 The filter plate and filter frame should generally be placed horizontally or vertically during transportation and storage to prevent bumps or mechanical damage, and no heavy objects should be pressed on the filter plate or filter frame.
6.3.2 When transporting and storing filter plates and filter frames, they must not come into contact with oil, acid, alkali or other substances that may damage the plates and frames. They should be kept away from heat sources and protected from sunlight and rain.
7
Quality Guarantee Period
As long as the user abides by the specified transportation, storage and use conditions, within 1 year from the date of delivery, the filter plate and filter frame are guaranteed to be due to manufacturing quality. If the problem cannot be used, the manufacturer should replace it free of charge. 3
JB/T5283-1997
Appendix A
(prompted appendix)
Regular physical and mechanical properties of filter plates and filter frames Plastic filter plates and filter frames The normal temperature physical and mechanical properties should comply with the requirements of Table A1. A1
Table A1
item
tensile strength
anti-toxic strength
impact strength (notched)
heat deformation gain (0.46MPa)
The normal temperature physical and mechanical properties of the rubber filter plate and filter frame should comply with the requirements of Table A2. A2
Table A2
item
breaking strengthwwW.bzxz.Net
elongation at break
permanent deformation at break
convenience Shore A Type
Indicator
≥26MPa
≥41 MPa
>6.86kJ/m
110
Indicator
Standard
≥7MPa
>306%
≤50%
75 degrees ±5 degrees
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