JB/T 8938-1999 General technical requirements for sewage treatment equipment
Some standard content:
tcs t3. 430. 40
Machinery Industry Standard of the People's Republic of China
JB/T8938--1999
Sewage treatment equipment
General technical conditions
General specification for sewage treatment eguipment1999-07-12 Issued
State Machinery Industry Bureau
Implementation on 2000-01-01
B/T8938—1999
This standard is proposed and managed by the Technical Requirements Committee of Standardization of the Environmental Protection Agency. This standard was drafted by: Nanjing Oasis Machinery Factory, Taizhou Banjiang Environmental Protection Equipment Factory, Institute of Environmental Protection Technology and Equipment, Mechanical Science Research Institute,
Main contributors to this standard: Zhu Jianhua, Bing Gan, Man Suiming, Yan Caihong, Xiang Hong, Fan Jun
China Machinery Industry Standard
General Technical Conditions for Sewage Treatment Equipment
Getteral sperificadou for scwage treatment equipmentrntJB/T 8938-1999
This standard specifies the classification, requirements, tests, inspection rules, signs, labels, instructions and packaging, transportation, storage, etc. of sewage treatment equipment (hereinafter referred to as equipment). This standard is applicable to equipment that uses any method to purify and discharge sewage. 1 Referenced Standards
The texts contained in the following standards constitute the auxiliary texts of this standard by being used in this standard. At the time of publication of this standard, the versions shown are all valid. All standards will be ordered by you. All parties using technical standards should explore the possibility of using the latest versions of the following standards: GB151998
GB 191—1990
GB/1:4720—1984
GB/T 6388—1986
GB/T 8923--1988
GR.T 1330G—[991
GR.T 13384I992
GD.T 19001—1994
GB/T19002—1994
JD/T 2536--1990
JB/T 2932-—1999
JH/T 5095--1942
B8939—1995
3 Definition
Steel forcers
Pictorial symbols for installation, storage and transportation
Electronic control equipment Part 1: Packaging, receipt and delivery of low-voltage electrical excavator equipment
Rust level and rust removal level labels on steel surfaces before painting
General technical conditions for packaging of electromechanical products
Quality assurance model for quality system design, development, production, installation and service Quality assurance mode of service pressure container, etc. paint, packaging, transportation
Technical regulations of water treatment equipment
Regulations for the preparation of instructions for use of electromechanical products
Safety specifications for water pollution prevention and control equipment
This standard does not adopt the definition,
3.1 Sewage treatment equipment sewige treatment equipment! Equipment that separates various forms of pollutants contained in sewage or decomposes and converts them into harmless and stable substances to treat the running water.
4 ClassificationbZxz.net
According to the structural form of the equipment, it is divided into three categories:
4.1 Equipment
Approved by the State Machinery Industry Bureau on July 12, 1999 and implemented on January 1, 2000
a) Closed type:
h sensitive open station,
4. 1 Non-container type.
5 Requirements
5.1 Basic requirements
JB/T8938—1999
5.1.1 The equipment shall comply with the corresponding product standards and be manufactured according to the samples and design documents approved by the relevant departments. 5.1.7 The quality control of the equipment shall be based on the quality assurance system established in accordance with JB19001 or GB/T19002. 5.1.3 The safety requirements of the equipment shall comply with the provisions of JB6931. 5.2 Design requirements
5.2.1 The design of the high-frequency equipment shall be based on the design requirements and technical specifications of the accessories, and the manufacturer's qualification certificate shall be attached. It can only be used after passing the factory inspection: the materials used to manufacture the equipment shall be inspected by the factory according to the corresponding standards. 5.2.3 The equipment shall be equipped with holes and pipes of corresponding sizes, which can be used for exhaust, cleaning and maintenance. 5.2.4 For closed containers, exhaust pipes (holes) shall not be installed. For equipment that may produce explosive gases, metal fireproof nets shall be installed at the (outer) end of the non-gas pipe (hole), and necessary pressure relief protection devices shall be installed. 5.3.5 If the equipment is equipped with sewage, it will not affect the surrounding environment. It shall be covered or other protective measures shall be taken. There shall be non-gas devices: 5.2.6 Equipment sewage: The outlet shall be equipped with convenient sampling: 15.2.7 The equipment shall be equipped with emergency overflow port and accident bypass 11, so as not to cause serious pollution to the surrounding environment. 5.1. The equipment works under special conditions, and an accurate strength calculation history is issued to ensure the maximum pressure that the equipment can withstand. 5.2.9 Underwater components and structures should be made of anti-separation materials such as stainless steel with a certain strength as much as possible: Before the anti-sticking coating of each component of the equipment, the surface treatment requirements must comply with the provisions of GR, T8923, and the anti-sinking layer requirements must comply with the provisions of JB/T2932 and JB, T2536. 5.2.10 When the dispersed equipment is filled with water, the closed device shall be subjected to a water pressure of 1.25 times the working pressure, and there shall be no leakage, and no visible abnormal deformation. 5.2.11 The layout of the inlet and outlet pipes of the equipment can ensure that people do not produce adverse phenomena. 5.2.12 The structure of the equipment should have sufficient rigidity and strength to withstand the influence of any load that may occur during operation. 5.2.13 The equipment should be equipped with manual or automatic detection and fault reporting facilities: 5.3 Environmental performance
5.3.1 The equipment should be able to operate normally in an environment with an ambient temperature of -459, a relative humidity of more than 95%, and an altitude of 100m: 1. When the load exceeds this range and affects the performance of the equipment, appropriate measures should be taken. 5.3.2 Under specific environmental conditions, the equipment should be able to withstand impact and certain mechanical and external vibrations. The equipment on the drilling and drilling platform should also have the ability to withstand tilting and swinging. 5.3.3 The noise level of dust generated during the operation of the equipment should be greater than 85 (A) 5.4 Equipment manufacturing requirements
Equipment cleaning requirements should meet the requirements of JB/T2932. H pressure vessel equipment shall comply with the requirements of GB15U 5.5 Reliability requirements
The equipment shall be able to operate safely and reliably under the specified environmental conditions. 5. Interchangeability requirements of equipment
JB/T 8938-1999
The parts, firmware and structural parts on the equipment shall be standard parts as much as possible and meet the relevant standards. 5.7 Electrical and safety requirements of equipment
The electrical and safety requirements shall be in accordance with the provisions of GB.T4720. 6 Tests
The equipment shall undergo the following basic tests
6. Water, during the test
After assembly, the closure equipment shall be subjected to a water pressure strength test at 1.25 times the design pressure. After the test pressure is reduced to 3Umin, the test strength shall be tested and the welding and structure shall be inspected! There is no damage, no visible abnormal deformation and leakage. 6.2 Action test
According to the equipment design requirements and relevant standards and specifications, the equipment is tested for program action to check whether the equipment is running normally: 6.3 Main size inspection
The size of the equipment should meet the requirements of the design drawings and engineering documents. 6.4 External quality inspection
After the equipment is installed, the surface of the equipment should be smooth, flat and smooth. No defects such as bubbles and peeling are allowed. Inspection rules
Inspection points! 7. Testing and type inspection
7. Testing conditions
Unless otherwise specified, the equipment shall be tested under natural atmospheric conditions. 7.2 Factory inspection
Each product shall be inspected before leaving the factory, and the factory inspection department shall issue a product certificate. The inspection items and requirements shall comply with the provisions of 6.1, 6.2, 6.3, and 6.4. 7.3 Type inspection
7.3.1. In any of the following cases, the type inspection shall be conducted: a) when the city or the relevant land administration department requests the type or the certificate; 6) when the first production, including the first production of the converted product: 7) when the production process, the main equipment or the material changes affect the product performance; 8) when the parent production is once every four years; 9) when the national quality technical supervision and inspection department [standard type inspection requirements, send it to the central government, because of a! And. 10) When the type inspection is conducted in two cases, the national quality technical supervision and inspection department shall be present on behalf of the inspection department. 11) 12) 13) 14) 15) 16) 17) 18) 19) 20) 21) 22) 23) 24) 25) 26) 27) 28) 29) 20) 20) 21) 22) 23) 24) 25) 26) 27) 28) 29) 20) 21) 22) 24) 26) 28) 29 ...
After the control test items
Processing capacity
Operation reaches the state
Conform to the product label
Conform to the requirements of
JB/TB938—1999
7.3.3 Type inspection can be carried out in production! ", and can be carried out in use, 7.3.4 Determination of the standard
7.3.4.1 Products that have all qualified inspection items are qualified products. 7.3,4.2 Products that fail the initial inspection are allowed to make necessary adjustments, and those that still fail are judged as unqualified products. 8 Marking, label, instruction manual
8.1 The marking of the equipment shall comply with the provisions of GB191 and GBT6388. 8.2 The equipment shall be equipped with a label in a conspicuous position and shall comply with the provisions of GB/13306. 8.3 The instruction manual of the equipment shall comply with the provisions of [old/5992]. 9 Packaging, transportation and storage
The packaging, transportation and storage of the equipment shall comply with the provisions of GB/13384 and GB/T2932.
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