Path:
Home >
GB/T >
Page315 > GB/T 36386-2018
Price & Delivery
US$839.00 · In stock · Download in 9 secondsGB/T 36386-2018: Specification of hygienic housing for microfiltration membrane elements
Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See
step-by-step procedureStatus: Valid
| Std ID | Version | USD | Buy | Deliver [PDF] in | Title (Description) |
| GB/T 36386-2018 | English | 839 |
Add to Cart
|
7 days [Need to translate]
|
Specification of hygienic housing for microfiltration membrane elements
|
Click to Preview a similar PDF
Basic data
| Standard ID | GB/T 36386-2018 (GB/T36386-2018) |
| Description (Translated English) | Specification of hygienic housing for microfiltration membrane elements |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | J77 |
| Classification of International Standard | 23.100.60 |
| Word Count Estimation | 42,444 |
| Date of Issue | 2018-06-07 |
| Date of Implementation | 2019-01-01 |
| Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration |
GB/T 36386-2018: Specification of hygienic housing for microfiltration membrane elements
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Specification of hygienic housing for microfiltration membrane elements
ICS 23.100.60
J77
National Standards of People's Republic of China
Sanitary filter housing for microporous membrane filter
skills requirement
Published on.2018-06-07
2019-01-01 implementation
State market supervision and administration
China National Standardization Administration issued
Content
Foreword III
1 Scope 1
2 Normative references 1
3 Terms, definitions and abbreviations 2
3.1 Terms and Definitions 2
3.2 Abbreviations 4
4 General requirements 4
4.1 Compatibility with filter media 4
4.2 Biosafety 4
4.3 Steam sterilizability 4
4.4 Washability 4
4.5 Liquidity 4
4.6 Exhaustion 4
4.7 Surface finish 4
4.8 Surface cleanliness 5
4.9 Sealing 5
4.10 Traceability 5
5 Material Requirements 5
5.1 Body material and filler metal 5
5.2 Polymer Materials 7
6 Design Requirements 8
6.1 Design parameters 8
6.2 Shell Category Mark 8
6.3 Seal design 9
6.4 Part Design 11
7 Manufacturing requirements 22
7.1 Manufacturing Control Program 22
7.2 Forming and assembly 23
7.3 Welding 23
7.4 Post-weld heat treatment 25
7.5 Surface treatment 25
8 Inspection requirements 27
8.1 Nondestructive testing 27
8.2 Withstand voltage test 27
8.3 Air tightness test 27
9 Marking, cleaning, packaging, random file requirements 27
9.1 Mark 27
9.2 Cleaning 27
9.3 Packaging 27
9.4 Random File 28
Appendix A (informative) Stainless steel corrosion resistance test and evaluation method and material reliability identification method 29
Appendix B (Normative) Shell Category 31
Appendix C (informative) Sanitary take-over and joint reference standard 34
Appendix D (Normative) Non-hygienic connection example 36
Appendix E (Normative) Clamp Design Requirements 37
Reference 38
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard is proposed and managed by the National Separation Membrane Standardization Technical Committee (SAC/TC382).
This standard was drafted. Shanghai Yiming Filtration Technology Co., Ltd., Hangzhou Anno Filtration Equipment Co., Ltd., Tianjin Membrane Technology Co., Ltd.
Ltd., Tianjin Polytechnic University, Tianjin Membrane Engineering Technology Co., Ltd.
The main drafters of this standard. Wu Changfei, Zhang Junwei, Lin Weijian, Tang Xiaoshan, Wen Qiang, Fan Yunshuang, Zhao Ying, Hou Yuhui, Yang Yili.
Sanitary filter housing for microporous membrane filter
skills requirement
1 Scope
This standard specifies the materials, design, manufacture, inspection, and standard of sanitary filter housings (hereinafter referred to as "outer casings") for microporous membrane filters.
Technical requirements for ambition, cleaning, packaging, and random documents.
This standard applies to sanitary filter housings for stainless steel microporous membrane cartridges.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 150.3-2011 Pressure Vessels Part 3. Design
GB/T 150.4-2011 Pressure vessels - Part 4. Manufacture, inspection and acceptance
GB/T 983 stainless steel welding rod
GB/T 1031 Product Geometric Specifications (GPS) Surface structure profiling surface roughness parameters and their values
GB/T 1220 stainless steel rod
GB/T 1954 chrome-nickel austenitic stainless steel weld ferrite content measurement method
GB/T 3280 stainless steel cold rolled steel plate and strip
GB/T 3452.1-2005 O-ring seals for hydraulics - Part 1 . Dimension series and tolerances (ISO 3601-1.
2002, MOD)
GB/T 3452.2 O-ring seals for hydraulic and pneumatic applications - Part 2
GB/T 4237 stainless steel hot rolled steel sheet and strip
GB/T 11170 Determination of multi-element content of stainless steels
GB/T 11446.1-2013 electronic grade water
GB/T 14976 stainless steel seamless pipe for fluid transportation
GB/T 16886.11 Biological evaluation of medical devices - Part 11. Systemic toxicity test
GB/T 17854 stainless steel welding wire and flux for submerged arc welding
GB/T 20878-2007 Stainless steel and heat resistant steel grades and chemical composition
GB/T 21833 Austenitic-ferritic duplex stainless steel seamless steel pipe
GB/T 29713 stainless steel welding wire and welding tape
JB/T 7901 metal material laboratory uniform corrosion full immersion test method
NB/T 47010 Stainless steel and heat resistant steel forgings for pressure equipment
NB/T 47013.8-2012 Non-destructive testing of pressure equipment - Part 8. Leak detection
NB/T 47018.2 Specification for welding materials for pressure equipment - Part 2. Steel welding rod
NB/T 47018.4 Specification for welding materials for pressure equipment - Part 4. Submerged arc welding steel wire and flux
SJ20893 Stainless Steel Pickling and Passivation Specification
Electrolytic polishing method for YB/T 4377 metal sample
YB/T 5092 stainless steel wire for welding
ISO 3601-1.2012 Hydraulic power system O-rings - Part 1. Internal diameter, section, tolerances and identification code (Fluidpowersys-
tems-O-rings-Part 1. Insidediameters, cross-sections, tolerancesanddesignationcodes)
People's Republic of China Pharmacopoeia.2015 Edition
3 Terms, definitions and abbreviations
3.1 Terms and definitions
The following terms and definitions apply to this document.
3.1.1
Hygienic filter housing hygienicfilterhousing
A container-like housing for mounting filter cartridges that meets clean and bio-safe requirements.
Note. mainly by cylinder, head, barrel connection, filter seat, tie rod, pressure plate, filter medium inlet, filter medium outlet, pressure gauge interface, exhaust port, sewage
Port, sampling port, temperature sensor interface, fasteners, legs and so on.
3.1.2
Host material hostmaterial
Stainless steel material in direct contact with the filter media.
3.1.3
Filled metal filermetal
In the welding process, participate in the general term for the formation of weld metal welding materials.
Note. such as welding rod, welding wire, filler wire, flux, preset filler metal, metal powder, fuser, etc. are all filler metals.
3.1.4
Retention volume holdupvolume
The volume of liquid remaining in the filter housing after the drain opening is opened.
3.1.5
Dead end deadspace
An area that can retain fluid, cannot be drained, or cannot be cleaned.
3.1.6
Hygienic gasket hygienicgasket
Flat annular gasket for sanitary joints.
3.1.7
O-ring O-ring
An annular seal with a circular cross section.
3.1.8
Nondestructive testing
Under the premise of not damaging the object to be inspected, physical or chemical means, with the aid of the corresponding equipment and equipment, in accordance with the prescribed technology
To test and test the structure, properties or state of the interior and surface of the object, and analyze and evaluate the results.
[NB/T 47013.1-2015, Definition 3.1]
3.1.9
Not welded through incompletepenetration
The root of the joint is not completely penetrated during welding. For butt welds, it also refers to the phenomenon that the welding depth does not meet the design requirements.
[NB/T 47013.1-2015, Definition 3.2]
3.1.10
Unfused lackoffusion
The unbonded portion between the weld metal and the base metal or weld metal weld layers.
Note. Unfused may be in one of the following forms.
a) the side walls are not fused;
b) the layers are not fused;
c) The roots are not fused.
3.1.11
Slag slag
Slag remaining in the weld metal.
Note. Depending on the formation, these slag inclusions may be.
a) linear;
b) isolated;
c) Clustered.
3.1.12
Burn through-burn
During the welding process, the molten metal flows out of the perforations formed from the back of the groove.
[NB/T 47013.1-2015, Definition 3.5]
3.1.13
Welded tumor overlap
During the welding process, the molten metal flows to the metal tumor formed on the unmelted base metal or weld.
[NB/T 47013.1-2015, definition 3.6]
3.1.14
Undercut
An irregular gap in the base metal (or the previous deposited metal) due to welding at the weld toe.
[NB/T 47013.1-2015, Definition 3.7]
3.1.15
Stomatal porosity
When the molten metal solidifies, the gas therein does not escape and the formed void remains.
[NB/T 47013.1-2015, definition 3.8]
3.1.16
Crack crack
A gap created by a new interface formed by the destruction of the bond of metal atoms.
[NB/T 47013.1-2015, definition 3.9]
3.1.17
Corrosion corrosion
Physical-chemical interactions between metals and the environment (usually electrochemical properties), which result in changes in the properties of the metal and often
The function of the technical system that leads to metals, the environment or by which they are part is compromised.
[NB/T 47013.1-2015, Definition 3.10]
3.1.18
Shrinkage shrinkage
Holes in the casting during the solidification process due to poor shrinkage. Very irregular shape, rough wall and dendritic crystals, often appearing
The part where the casting is finally solidified.
[NB/T 47013.1-2015, definition 3.11]
3.1.19
Loose loosen
The inside of the casting or forging is defective in the distribution of fine pores.
[NB/T 47013.1-2015, definition 3.12]
3.1.20
Inclusion inclusion
Defects formed by mixing non-metallic slag or refractory materials in castings or forgings.
[NB/T 47013.1-2015, definition 3.13]
3.2 Abbreviations
The following abbreviations apply to this document.
GMAW. gas metal arc welding (gasmetalarcwelding)
GTAW. Tungsten inert gas shielded welding (gastungstenarcwelding)
PAW. plasma welding (plasmarcwelding)
PMI. Material Reliability Identification (positivematerialidentification)
SAW. submerged arc welding (submergedarcwelding)
SMAW. automatic protection metal arc welding (shieldedmetalarcwelding)
4 General requirements
4.1 Compatibility with filter media
The main body material and filler metal of the outer casing should be able to withstand the corrosion of the filter medium at the use temperature, reach the design life, seal
The material should maintain a reliable seal in the filter media and the polymer coating should not be easily peeled off.
4.2 Biosafety
The extractor or leachate released from the main body material, filler metal, sealing material and polymer coating of the outer casing to the filter medium shall not be visible.
The biosafety of the filter media.
4.3 Steam sterilizability
All parts of the casing and sealing material should be able to withstand saturated steam not less than 130 ° C (gauge pressure not less than 0.165 MPa) online
Sterilize.
4.4 Washability
All parts of the enclosure should be clean.
4.5 Liquidity
The casing must not have dead spots due to gaps or dents, and the filter media should be able to flow sufficiently in the casing.
4.6 Exhaustion
The sewage outlet should be placed at the lowest point of the outer casing. After opening the sewage outlet valve, the filter medium in the outer casing should be able to be discharged by its own gravity.
Out, reduce the retention volume, the surface residual liquid height of any part should be no more than 2mm.
4.7 Surface finish
All surfaces of the parts in direct contact with the filter media should be finely polished or coated, resulting from sealing, nozzles, surface treatment, etc.
Defects such as pits and gaps shall comply with the provisions of this standard; and threads shall be avoided. When threaded fasteners are required, the threads shall be used.
The ring is isolated.
4.8 Surface cleanliness
The inner and outer surfaces of the outer casing shall be free of impurities such as welding slag, polishing paste, oil stains, scale and dust.
4.9 Sealing
The sealing surfaces of the outer casing, including the cylinder, the filter interface, the nozzle, etc., should have good sealing.
4.10 Traceability
The manufacturer of the enclosure should have strict quality control procedures in place to ensure that the source of the material and its processing can be traced back to ensure the process
The material will not be confused.
5 Material requirements
5.1 Body material and filler metal
5.1.1 Selection of main materials
The main body material of the outer casing should be austenitic stainless steel or austenitic-ferritic (duplex) stainless steel in Table 1, the main body materials of each part
Types and applicable standards should be in accordance with Table 2.
Table 1 Grades of common body materials for the outer casing
GB/T 20878-2007 serial number unified digital code new grade old grade metallographic organization type
17 S30408 06Cr19Ni10 0Cr18Ni9 Austenite
18 S30403 022Cr19Ni10 00Cr19Ni10 Austenite
38 S31608 06Cr17Ni12Mo2 0Cr17Ni12Mo2 Austenite
39 S31603 022Cr17Ni12Mo2 00Cr17Ni14Mo2 Austenite
50 S31703 022Cr19Ni13Mo3 00Cr19Ni13Mo3 austenite
71 S22053 022Cr23Ni5Mo3N - Austenite-ferrite
Table 2 Shell component body material type and applicable standards
Part name material type applicable standard
Tie rods GB/T 1220
Cylinder, head, filter holder, plate steel or steel strip GB/T 3280, GB/T 4237
Pipe mouth tube GB/T 14976, GB/T 21833
Flange forgings NB/T 47010
5.1.2 Selection of filler metal
5.1.2.1 Grades of metal filling
The filler metal grades corresponding to different host materials shall comply with the requirements of Table 3.
Table 3 Filling metal grades corresponding to different host materials
Body material
Filled metal grades and applicable standards
GB/T 983, NB/T 47018.2 GB/T 29713 GB/T 17854, YB/T 5092, NB/T 47018.4
SMAW
welding rod
GTAW/GMAW/PAW
Welding wire and filler wire
SAW
Wire-flux
S30408
E308-15
E308-16
E308-17
S308
S308L
S308Si
S308LSi
F308-H06Cr21Ni10
F308L-H022Cr21Ni10
S30403
E308L-15
E308L-16
E308L-17
S308L
S308LSi
F308L-H022Cr21Ni10
S31608
E316-15
E316-16
E316-17
S316L
S316LSi
F316L-H022Cr19Ni12Mo2
S31603
E316L-15
E316L-16
E316L-17
S316L
S316LSi
F316L-H022Cr19Ni12Mo2
S31703
E317L-15
E317L-16
E317L-17
S317L -
S22053
E2209
E2553
E2593
E2594
E2595
S2209
S2553
5.1.2.2 Ferrite content of filler metal
The ferrite content in the filler metal can be determined by both the supplier and the buyer, and sealed according to the provisions of GB/T 1954. Ferrite content
Increase or decrease should not affect the corrosion resistance of the outer casing.
5.1.3 Corrosion resistance of bulk materials and filler metals
The corrosion resistance of the main body material and filler metal of the outer casing shall meet the following requirements.
a) The body material and filler metal of the enclosure shall be resistant to pitting, crevice corrosion, stress corrosion and intergranular corrosion of the filter media,
For the corrosion resistance test of stainless steel, see A.1 in Appendix A;
b) Corrosion of the filter media to the material shall not affect the sealability of the filter element interface, the cleanability of the outer casing and the pressure resistance, due to stainless steel
The release of substances caused by corrosion shall not affect the quality of the filter media;
c) The general design life of the outer casing shall be not less than 10 years, unless the supply and demand sides confirm the reduction of the design service life;
d) When the corrosion parameters of the filter medium to the material cannot be confirmed during design, the corrosion rate shall be measured according to the method specified in JB/T 7901;
Or choose stainless steel with high pitting corrosion equivalent (NPRE) value. For the calculation of NPRE, see A.2.
5.1.4 Inspection of chemical composition of host materials and filler metals
The manufacturer of the enclosure shall provide at least one of the following chemical composition test documents for the host material and filler metal.
a) proof of source of material containing chemical composition analysis;
b) re-examine the chemical composition of the material in accordance with the method specified in GB/T 11170;
c) Material Reliability Identification (PMI), see A.3.
5.2 Polymer materials
5.2.1 Selection of polymer materials
The outer casing sealing material should be coated with fluoropolymer with thermosetting rubber or thermosetting rubber without asbestos. The commonly used materials are shown in Table 4. outer
The shell coating material should be a thermoplastic polymer without asbestos composition. The commonly used materials are shown in Table 5.
Table 4 Common polymer sealing materials
Chinese name English abbreviation recommended design temperature
EPDM EPDM
-29°C~ 149°C
-29°C~ 191°C (steam)
Ethylene propylene rubber EPR -29 ° C ~ 149 ° C
Methyl vinyl silicone rubber VMQ -29 ° C ~ 232 ° C
Fluororubber FKM -29°C~ 232°C
Perfluoroelastomer FFKM -29°C~ 232°C
Fluorofluorocarbon FEP FKM -29°C~ 204°C
Fluorosilicone rubber FEP VMQ -29°C~ 204°C
Table 5 Common thermoplastic polymer surface coating materials
Category Chinese name English abbreviation
Thermoplastic polyolefin
Polypropylene PP
Ultra low density polyethylene ULDPE
Low density polyethylene LDPE
High density polyethylene HDPE
Ultra high molecular weight polyethylene UHMWPE
Thermoplastic fluoropolymer
Perfluoroethylene propylene copolymer FEP
Perfluoroalkoxy polymer PFA
PTFE PTFE
Ethylene-tetrafluoroethylene copolymer ETFE
Ethylene-chlorotrifluoroethylene copolymer ECTFE
Polyvinylidene fluoride PVDF
5.2.2 Biosafety of polymeric materials
The polymer material shall have no acute systemic toxicity according to GB/T 16886.11, and the extraction conditions are as follows. mass concentration is 9g/L
The sodium chloride injection and the freshly refined vegetable oil were leached at 70 ° C ± 2 ° C for 24 h ± 2 h, and the ratio of the surface area of the sample to the extract was
6 cm 2 /mL ± 0.6 cm 2/mL.
5.2.3 Quality documentation for polymer materials
At least the following quality documents should be provided for all polymer materials.
a) raw material manufacturer, brand, batch number;
b) additive components;
c) finished product number, batch number;
d) Date of manufacture.
6 Design requirements
6.1 Design parameters
Both the supplier and the buyer should confirm the following design parameters when ordering.
a) the enclosure category;
b) filter media;
c) design pressure or maximum allowable working pressure (if necessary);
d) design temperature;
e) the main material;
f) component materials that are not in direct contact with the filter media;
g) sealing material;
h) surface treatment requirements;
i) filter specifications (including filter diameter, length and interface) and quantity;
j) take over the standard, size and purpose;
k) pipe joint standards and specifications;
l) Other information that needs to be confirmed.
6.2 Shell category marking
The category mark of the outer casing is composed of the filter medium import and export arrangement code, the filter seat setting mode code and the filter quantity code.
The meaning of the code is shown in Table 6. See Appendix B for a schematic of the different types of enclosures.
Table 6 Shell category tag code meaning
Project code meaning
Filter medium import and export arrangement
I filter medium inlet and outlet is up and down
The inlet and outlet of the T filter medium are arranged in a left-right type, and the center line of the take-over is on the same level.
L filter medium inlet is on the side of the upper cylinder, and the filter medium outlet is vertically downward at the bottom of the lower cylinder center.
Z filter media inlet and outlet are left and right type, but the take-up centerline is not on the same level
Table 6 (continued)
Project code meaning
Filter holder setting
A plate filter holder, the filter medium inlet is connected to the filter holder
B bowl filter seat, filter medium inlet and filter seat separation
Number of filter elements
S single core
M filter number ≥ 3
6.3 Seal design
6.3.1 Sealing method
The cylinder flange or pipe joint of the outer casing shall be of sanitary seal, as shown in Figures 1a) and b); or O-ring seal, as shown in Figure 1c)
An ellipsoidal gasket or O-ring seal may be used between the valve body and the valve seat of the exhaust and drain valve.
a) b) c)
Figure 1 Schematic diagram of sanitary seals and O-rings
6.3.2 Hygienic seal design requirements
Hygienic gasket seal design should meet the following requirements.
a) There is no gap between the gasket and the interface card slot;
b) there is no slip when the gasket is pressed and used normally;
c) The protrusion or depression of the gasket relative to the joint after pressing shall be no more than 0.6 mm, see Figure 2.
Figure 2 Schematic diagram of the protruding or recessed sanitary gasket
6.3.3 O-ring seal design requirements
O-ring seal design should meet the following requirements.
a) O-ring should not slide easily in the interface groove;
b) After the O-ring is pressed, it should fill the slot as much as possible, and it should be able to fully fill the gap at the joint, as shown in Figure 3;
c) In order to ensure the reliability of the seal, when the space permits, the O-ring with a larger diameter should be used as much as possible;
d) O-rings shall not affect their physical and chemical properties after thermal expansion or chemical expansion;
e) After the O-ring is installed, it does not include the coefficient of thermal expansion and chemical expansion, and the tensile elongation shall not exceed 5%;
f) the outer diameter of the O-ring should be no larger than the outer diameter of the groove to prevent bending;
g) O-ring compression should normally be maintained at 10% to 25%, and the shrinkage rate can reach 10% due to changes in materials and pressure.
30%, but not more than 30%;
h) The O-ring should be as close as possible to the fluid side;
i) O-rings conforming to GB/T 3452.1-2005 or ISO 3601-1.2012 standards should be selected, and the appearance should conform to GB/T 3452.2
Provisions.
Figure 3 O-ring seal style diagram
6.3.4 Ellipsoid seal sealing design requirements
The ellipsoidal seal can be used for sealing between the valve body and the seat and should meet the following requirements.
a) When the gasket is pressed, the end surface should be able to fit seamlessly with the valve seat and the valve body, see Figure 4;
b) When the valve is opened, the gasket should not fall off easily;
c) The surface of the gasket should be free of cracks, pits, etc., which affect the sealing performance;
d) The resilience of the gasket shall ensure that the valve maintains a good seal after at least 1000 opening and closing.
Description.
1---ellipsoidal gasket;
2---valve seat;
3---valve body;
4---O-ring;
5---Tube or take-over.
Figure 4. Ellipsoid sealing of valve body and seat
6.4 Component design
6.4.1 Housing component composition
The components of the outer casing are shown in Table 7, and the components are marked in Appendix B.
Table 7 Shell component composition table
Serial number component configuration requirements
1 cylinder ●
2 heads ●
3 barrel connector ●
4 filter holder ●
5 tie rod ◎
6 pressure plate ◎
7 filter media import ●
8 filter media outlet ●
Table 7 (continued)
Serial number component configuration requirements
9 pressure gauge interface ◎
10 exhaust port ●
11 sewage outlet ●
12 sampling port ◎
13 Temperature sensor interface ◎
14 fasteners ●
15 legs ◎
Note. The meaning of the symbols in the table.
●--- indicates the parts that must be available;
◎--- indicates the parts that can be determined by both the supplier and the buyer due to the structural characteristics of the outer casing.
6.4.2 cylinder
The cylinder should be cylindrical, and the design of the internal pressure cylinder should meet the requirements of Chapter 3 of GB/T 150.3-2011.
The calculation shall comply with the provisions of Chapter 4 of GB/T 150.3-2011.
6.4.3 Head
The head should adopt an elliptical head or a dish-shaped head. The design calculation of the elliptical head should meet the requirements of 5.3 of GB/T 150.3-2011.
The design calculation of the dish-shaped head should meet the requirements of 5.4 of GB/T 150.3-2011.
6.4.4 Cylinder connector
The cylinder shall be flanged with O-ring seals, and the O-ring seal design shall comply with the provisions of 6.3.3. The diameter of the cylinder is not more than 150mm
The outer casing can also be connected by a sanitary pipe joint.
6.4.5 Filter holder
6.4.5.1 General design requirements for filter cartridges
The filter holder should meet the following requirements.
a) The filter holder should be set horizontally to ensure that the filter element is installed vertically;
b) The filter holder should be placed at the bottom of the...
...
