This standard specifies the classification, technical requirements, test methods, inspection rules, as well as marking, packaging, and storage of drinking water purifiers for ships. This standard applies to purifiers for drinking fresh water stored in ship water tanks, and also to purifiers for other drinking water. GB/T 14358-1993 Ship Drinking Water Purifier GB/T14358-1993 Standard download decompression password: www.bzxz.net

UDC 629.12. 011. 5
National Standard of the People's Republic of China
GB/T14358
Drinking water purifier for naval ships
Drinking water purifier for naval ships1993-04-17Promulgated
State Bureau of Technical Supervision
Implementation on 1993-12-01
W. National Standard of the People's Republic of China
Drinking water purifier for far navel ships
Drinking water purifier for far navel ships1Subject content and applicable scope
GA/T 14358-93
This standard specifies the classification, technical requirements, test methods, inspection regulations and standard packaging for drinking water purifiers for naval ships (hereinafter referred to as purifiers)!
This standard applies to drinking water purifiers stored in ships and warehouses, and also to other drinking water purifiers. 2 Reference standards
GR712 Hull structure
GB3280 Stainless steel refrigeration rolled steel plate
GH4237
GB5749
Stainless steel hot wheel steel plate
Sanitary standard for drinking water
Standard test method for drinking water
GB5750
GB11037 Pressure test method for auxiliary boilers and receivers for ships 3 Product classification
3.1 Basic parameters of purifiers are as shown in Table 1. 1
CYJ- 2
CYJ-2:5
3.2 Product marking:
3.2.1 Model group:
Rated water purification core
State Technical Supervision Bureau approved the three versions on 1993-04-17 as
Avoid outlet diameter
New water purification record
A purifier
Drinking water
Outline size
Length×widthxheight,mm
9C6X506X7 256
366× 556: 432
#06×606×7 656
506X656×1 956
6C6X806X220%
1993-12-01 implementation
W.3.2.2 Marking example:
GB/T 14358-93
Ship drinking water purifier with rated purification water flow rate of 2.5m/h. Purifier CYJ-2. 5 GB/T 14358
4 Technical requirements
4.1 Design requirements
4.1.1 The purifier shall comply with the requirements of this standard and be manufactured according to the drawings and technical documents approved by the prescribed procedures. 4.1.2 The purifier shall work normally under the environmental conditions listed in Table 2. Table 2
Environmental conditions
Cycle 3~-14 5
±10°
Environmental temperaturebzxZ.net
055℃
Purified water temperature
5~~45℃
4.1.3 The design pressure of the purifier shall not be less than 0.7MPa. The cylinder shall not be deformed significantly when tested under 1.5 times the design pressure. The assembled purifier shall be tested for tightness under 1.25 times the design pressure and shall not leak. 4.1.4 The thickness of the purifier cylinder and head shall not be less than 3mm4.1.5 The water quality before and after purification shall comply with the provisions of Table 3, and the other items shall comply with GB5749. Table 3
Turbidity
Throat and taste
Free residual
Indicators before purification
4.1.6 The purifier should be equipped with exhaust valve, discharge valve, cleaning circuit and hand hole for replacing purification medium. The indicators after purification
Conform to GR5749 regulations
.0.3mg/l
4.1.7 The purifier should be equipped with a safety valve, and its opening pressure should be less than the working pressure + design pressure. 4.1.8 When the working pressure of the purifier rises and the processing capacity is less than 80% of the rated processing capacity, backwashing should be carried out, and the replacement cycle (regeneration cycle) of the purification medium should not be less than 1000 hours.
4.2 Manufacturing requirements
4.2.1 The head and the shell should be formed by mechanical cold processing, but hammering should not be used. When the head is formed by hot pressing, overburning should not occur.
4.2.2 The welders of the purifier must be tested in accordance with the "Welder Examination Rules" issued by the Ship Inspection Bureau, and the welders who have passed the test shall be responsible.
When the temperature of the weld is lower than 0°C, it should be preheated within 100mm of the welding area to make its temperature around 15°C. 4.2.3
4.2.4 There shall be no defects such as cracks, pores, pits and slag inclusions on the weld surface, and no slag and splashes shall be left. The opening of the cylinder shall avoid the weld.
4.2.5 The weld and the parent material shall have a smooth transition. The depth of the weld undercut shall not be less than 0.5mm, the continuous length of the undercut shall not be more than 100mm, and the total length of the undercut on both sides of the weld shall not exceed 10% of the length of the weld. 4.2.6 After grinding the weld surface to eliminate defects or mechanical damage, the thickness of the weld shall not be less than the minimum limit thickness of the parent material. 4.3 Material requirements
4.3.1 The head and the shell should be made of OCr19.Vi9.1Ct18Ni9Ti stainless steel or killed steel plate. The technical requirements of the steel plate should be in accordance with GB 3280, GB 4237 and GB 712.
4.3.2 If the shell is made of killed steel plate, its outer wall should be treated with anti-corrosion after passing the strength test, and the inner wall should be coated with non-toxic paint. 2
W.4.3.3 The sealing gasket should be made of non-toxic materials. GB/T14358:-93
4.3.4 The cooling metal of the purifier should be made of one or more of the following materials. a, activated carbon;
b, diatomaceous earth;
polyethylene.
5 Test method
5.1 Appearance inspection
Inspect the appearance, material selection, accessories, size, etc. of the purifier. The results should meet the requirements of 3.1.4.2 and 4.3. 5.2 Strength test
The purifier cylinder should be subjected to a water pressure test. The test method is in accordance with GB11037. The test results should meet the requirements of 4.1.3.
5.3 Tightness test
After the purifier passes the strength test, it can be subjected to a tightness test after installation. The tightness test uses clean water as the medium. The test force is 1.25 times the design force. During the test, the test force is slowly increased until the expected test pressure is reached and the pressure is maintained for 51m, then reduced to the design pressure. All welds and connection parts are inspected. The results should meet the requirements of 4.1.3. 5.4 Safety valve opening and seat test
After the purifier tightness test is qualified, adjust the safety valve to the specified value, and conduct the opening and seat test. The test is carried out three times in a row, and the results shall meet the requirements of Article 4.1.7.
5.5 Tilt and swing test
The tilt and swing test shall be carried out under the conditions of Table 2 of Article 4.1.2. When the swing test conditions are not available, the fixed tilt test can be used instead, and the tilt angle is 45\.
5.6 Purification test
5.6.1 After the purifier is qualified for assembly acceptance, the purification test shall be carried out. The continuous test time shall not be less than 8 hours, the interval time for extracting water samples shall not exceed 1 hour, and the water samples shall not be less than 10
5.6.2 The purified water volume in the purification test shall not be less than the rated purified water volume of the purifier, and the purified water temperature of the purifier made of calm steel shall not be lower than 45.
5.6.3 The quality of the water inlet and outlet of the purifier during the purification test shall comply with the provisions of Article 4.1.5. 5.64 The inspection of the purified water quality shall be conducted by the health and epidemic prevention departments at or above the county level (including the county level). The water quality inspection method shall be implemented in accordance with GB 5750, and the above-mentioned institutions shall provide a complete inspection report to determine the effectiveness of the purification test. 5.6.5 Inspection The qualified rate of water samples taken within 8 hours of continuous testing shall be 100%. 6 Inspection rules
6.1 Inspection is divided into factory inspection and type inspection. 6.2 Each product shall be inspected before it is shipped, and only qualified products can be shipped. 6.3 Any of the following situations shall be considered as type inspection. a. First-time product:
b When the product design, process, and materials have major changes that are sufficient to affect its main performance; e For batch production, it shall be conducted once a year: but the tilt and swing tests shall not be repeated. When the product is transferred to another factory for production.
6.4 Factory inspection and type inspection shall be carried out in accordance with the provisions of Table 4. 3
W. Inspection items
External inspection
Weight and tightness test
Safety test
Material and swing test
Static test
7 Marking, packaging, storage
7.1. Signs
GB/T14358—93
White factory water pump
Each product should be equipped with a sign in a conspicuous position, which should indicate:
Product name;
Product model:
Rated purified water volume!
Working pressure:
Year and month of manufacture;
Sugar factory name:
Manufacturing number and inspection mark (ship inspection and military inspection). 7.2 Packaging
7.2.1 The purification medium should be packaged separately in a non-toxic, dust-proof and moisture-proof material. Type inspection
7.2.2 Before the purifier is packed out of the factory, the accumulated water must be drained, and the body cavity must be blown flat with clean compressed air not exceeding 0.4MPa. All holes must be sealed with screws or plates.
7.2.3 The product packaging should be designed and cut into boxes according to the user's requirements. The document bag should be packed into the box together. 7.2.4 The accompanying documents should include:
General drawing!
Instruction manual;
Product certificate
d. Ship inspection or military inspection certificate;
e. Packing list.
7.3 Storage
The purification medium must not come into contact with toxic and corrosive substances, and must not be stored in the open air. .4 Warranty period
If the product is defective due to manufacturing quality within 18 months after leaving the factory or 12 months after installation, the manufacturer shall be responsible for free processing. Additional Notes:
This standard is proposed by the General Company of China Shipbuilding Industry. This standard is submitted by the Auxiliary Boiler Pollution Prevention Subcommittee of the National Marine Machinery Standardization Technical Committee. This standard is drafted by Suhuangdao Marine Machinery. The main drafters of this standard are Duan Bingyin, Yang Huichuan and Zheng Limang. W.bzsoso:com
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.