Some standard content:
1y 71.100.20
Machinery Industry Standard of the People's Republic of China
JB7r8942-1999
Argon recovery equipment
Argon recovery plants
Published on 1999-07-12
National Machinery Industry Bureau
Implemented on 20H10-01-01
JB/T8942-1999|| tt||This standard is a revision of "ZBJ76014.1-B9 Technical Conditions for Hydrogen Extraction Equipment" and ZBJ76014.2-89 "Technical Conditions for Hydrogen Extraction Equipment Performance Test".
4 Compared with ZB176014.1-89 and ZBJ760142-89, the main technical content of this standard has been changed as follows: This standard combines the provisions of ZBJ76014.1-89 and ZBJ76014.2-89 into one standard. : The standard reflects the importance of technical contracts (or technical agreements) in the delivery of oxygen extraction equipment. The product flow in the standard is added to the category, and the technical performance measures are adjusted and supplemented. The engineering design and installation technical requirements related to product quality are added. Some other technical requirements are revised. The appendix in ZBJ76014.1-89 has been removed. This standard replaces ZBJ76014.1-99 and ZBJ76014.2- from the date of implementation. This standard is proposed and managed by the Technical Committee for Standardization of Gas Separation and Filtration Equipment. The drafting unit of this standard is Hangzhou Oxygen Generator Group Co., Ltd. The drafters of this standard are Huang Fei and You Da. This standard was first issued in February 1989.
Machinery Industry Standard of the People's Republic of China
Argon extraction equipment
Argon rerovery platts
JB/T8941—1999
J7614.1—89
ZB 176 024.289
This standard specifies the terminology of gold extraction equipment in argon separation equipment, product classification and models, technical requirements, test methods, inspection rules and marking, packaging, transportation and storage, etc. This standard refers to the gas separation equipment (hereinafter referred to as separation equipment) that uses air as the raw material and produces gas products by low-temperature heat; the gas production is large or equal to that of the equipment. The gas production in this standard is in the standard state, that is, 0, 101325EPa (absolute). The unit of gas pressure under the fast state is \h2. The parts indicated in the reference are gauge pressures, and (absolute) is absolute. 2 Reference standards The provisions contained in the following standards are constituted or become the provisions of this standard through the reference of the air standard book. At the time of this standard edition, the versions shown are all valid. The standard department will revise it. The parties using this standard should discuss the possibility of using the latest version of the following standards: GB150-1998 GB 1911990 GHT 2624-13 GH4208-[993 GB/T 4842 [995 | | tt | | OB/T6388 [986 | 1989 | | tt | 6896--1993
Steel energy pressure vessel
Packaging storage and transportation pictorial mark
Flow measurement throttling device using orifice plate, nozzle and real three-dimensional measurement crown full pipe flow protection level (P batch pigeon]
Selected installed delivery and receipt
Molecular sieve dynamic water adsorption determination method
Air separation equipment terminology, basic technical terminology
Air separation equipment terminology unit equipment||tt ||Terms of service for air separation equipment ||Gas exchange equipment ||Air separation equipment ||Low-pressure pump
Product model compilation method for air separation equipment
General requirements for packaging of electromechanical products
Note on design fire protection
Pressure vessel painting, packaging, transportation
Surface disinfection liquid for air separation equipment
Approved by the State Administration of Machinery Industry on 1999-07-12, 2000-01-01 Implementation
JB/T8942—1999
Specification for construction and acceptance of installation projects of compressors, fans and refrigeration equipment, specification for construction and acceptance of installation projects of air separation equipment, regulations for safety technical supervision of pressure vessels 3
3 Technical barriers
The terms used in this standard shall be in accordance with the provisions of GR/T10606.1, GB/T10606.2, GB/T10606.3 and GB/T10606.6. 4 Product classification and number
4.1 The product equipment and process flow are divided into two categories: a) Ash hydrogen deoxygenation method argon extraction process [referred to as process b) Low absorption chlorine extraction process (referred to as process II 24.7 Product number is determined according to GB/T10607. 5 Technical requirements
51 Engineering conditions
5.1. Water is discharged according to the table ",
Project name
Maximum discharge pressure
National water supply
Xie [1 volume high pressure
Acidity
Total hardness
Scale sensitivity
Vapor pressure and temperature shall be in accordance with the provisions of the supply and demand contract, 5. 1.2
5.1.3 The air source of oil-free and dust-free instrument shall be in accordance with the provisions of Table 2: the single
power supply is AC output, and the voltage, temperature and frequency of the output source shall be in accordance with the provisions of Table 3. 5.1.4
Item
Gas source pressure
Jun table front policy small rectangular
According to the contract
0.00026-0.0043
JB/T8942-1999
Phase number
5.1.5 The purity of hydrogen and the required content of harmful impurities (volume hydrogen 9.5x0-
|Sodium hydroxide 1×10
e Halides 5×10-:bzxz.net
) The sum of carbon monoxide and carbon dioxide ≤5×he) Carbon oxides E5×(,
5.1.6 When the engineering conditions meet the above requirements or additional contents are required, the supply and demand parties shall negotiate and jointly determine the whole project in accordance with the specifications: 5.2
5.2.! The whole project of the blood vessel equipment shall comply with the technical standards and the drawings and technical documents stipulated in the procedures. 5.2.2 The supplier of the whole project shall ensure that the functions of each supporting part meet the requirements of the whole project and shall comply with the contract provisions of the supply and demand parties 5.3 Product performance standards
5.3.1 The chlorine extraction equipment shall be designed in accordance with the rate of production and air temperature of the air separation equipment with which it is equipped. The basic performance of the equipment is recommended in Table 4.
Project name
Gas volume
Product title
I, M See Product Classification 4.1
2 The production capacity of the product shall meet the requirements of the table or the time limit, and the price shall be determined according to the same price; the product quality index
contains 99.99% 99.919
162000
9The product purity is greater than 99.99*10-?, which shall meet the technical requirements of B/T4 Appendix 12; the product purity is greater than 1 formula equal to 9.994×1F, which shall meet the technical requirements of BT124. 5.3.2 The operation of the ammonia extraction equipment shall be consistent with the operation cycle of the supporting air separation equipment according to the contract. 5.3.3 The ratio is greater than or equal to 95%,
5. 4 Technical requirements
JB/T8942—1999
54.1 The air separation equipment tower shall have a total hydrogen content of greater than ?×10- (volume), nitrogen content less than 10×10 (volume), and the rest is hydrogen and ammonia. The remaining portion of argon shall meet the needs of the normal operation of the tower. 5.4.7 Crude oxygen component
) process":
content 0 volume
I content 2.5×10- (volume)
trace content: 1.5×10 (volume)
br process and:
main content E×10~ (volume supply;
the rest of the side blood and nitrogen,
5.4.3 T Zhi hydrogen (referring to the production process "1 component
oxygen content 2.5×1D- (volume;
water content (after drying) 10×10 (volume) 5.4.4 Crude chlorine rain increase compressor adopts a tankless lubricated compressor, 5.4.5. Add deoxygenation and strict preparation of media (naturalizing agent). T-process gold T-media separation: The screening should comply with the provisions of GRT877 and relevant standards: 5.4.6 Process bottle dry end regeneration gas content (volume) content 99
b) content 1×10
water content 1×10.
5.5 The supporting Kuli Ke device in the whole extraction equipment should comply with the "Leli rate safety technical monitoring solution". GB150 and gold storage containers and other relevant specifications, standards.
5.S.1 1.4 The design and installation of gold extraction equipment should comply with product investment requirements and GBJ16, JBJ29.JH! 3 and other standards and relevant regulations. The catalyst furnace should have safety protection equipment: 5.5.3 The valves and pipelines of the extraction equipment should be treated before installation, and the treatment requirements should comply with the provisions of H68. 5.5.4 The motors and equipment installed outside should have anti-rust and protection requirements. The motors should comply with the provisions of H420, and use hot motors.
5, 5 The efficiency of the factory should reduce the total cost of extraction for more than 1 year. 1. The equipment or safety regulations. 5. The operators, machine operators, and instrument operators of the extraction equipment must be familiar with the structure and operation of the machine end and the equipment. They must pass the training examination before they can work in the seven positions.
5.5. When a fault occurs during the operation of the hydrogen extraction equipment, it should be promptly repaired: For serious failures, the manufacturer should be notified! 6.1.1 The extraction equipment must be inspected and approved by the quality inspection department and accompanied by a product certificate before it can leave the factory. FB/T8942-1009 1.2 The pressure vessel must be inspected and tested in accordance with the "Safety Technical Inspection Regulations for Pressure Vessels" and provide accurate and confidential quality certification documents. (1.3 All purchased parts, accessories and supporting equipment, motors, compressors, testers, electronic control equipment, instruments and other parts must have the manufacturer's production certificate. 6.1.4 Catalysts such as fertilizer catalysts and molecular sieves must have a strict qualification certificate issued by the manufacturer. 6.2 Performance test 6. 2.1 Performance test of acid tea
6.2.1.1 Each or a set of performance tests of the equipment provided shall be carried out frequently in the user's current environment. 6.2.1.2 After the equipment is operating normally and the working state is stable, the oxygen extraction equipment matched with the basic equipment can be inspected. 6.2.1.3 The complete set of performance tests of the extraction equipment must be carried out after the normal belt is delivered and the working state is stable: the continuous measurement time is 45h or as specified in the contract, and the measurement is carried out every hour, and half of the measurement is carried out carefully: 6.7.1.4 The test conditions deviate from the standard or the design is biased, which may cause the work to be 6.2.1.5 The product is produced and purity is determined simultaneously. 6.2.1.6 The test instrument is used. Only the instrument group and the instrument group that are matched with the instrument can be manufactured. They must be calibrated by the instrument department and be valid for three years.
6.2, 1.7 The instrument precision information of the test position instrument is shown in Table 5 Table 5
To the quantity
Temperature competition
Compilation analysis
Promotion table
Glass thermometer
Comfortable work benefit meter Pl00
pressure and gauge
flow egg pressure air delivery
direct adjustment portion analyzer
mono oxygen chemical analyzer
analyzer
youfamushengxinfa
micro hydrogen analyzer
gas state color port instrument
6.2.2 gas product station production type determination
+15. points 0.5%
secretion supplement calibration
full scale ±[.5%, the minimum division is 10-401a, suitable for some inner diameter six Or equal to 6mm true connection is allowed, 4 diameter is greater than or equal to 10mam, 166.61 ±0.5% U-shaped pressure gauge calibration
The pipe head should be checked before testing. There should be no leakage or blockage. 6.2.2.1 Measurement through meter
a) When the output is more than 2Gmh or equal to 2Gmh, the flow meter should be used to measure the throttling flow. b) When the output is less than 20m\h, the rotor flow meter can be used with an accuracy of 1.5 level. 6.2.2.2 When the air is measured at the installation, the installation shall be stopped according to the current regulations of G day 2624. The orifice plate of the throttling device should adopt the standard of the month and be installed on the pipeline of the cold box energy product enterprise.
T/T89421999
6.2.2.3 When the throttling device is used to measure the flow, if the flow value is automatically corrected by the instrument (temperature, pressure), no correction is required, otherwise it is corrected according to formula (1).
Where: P, the gas pressure before the orifice plate under PT working state and design 1, M (absolute, TT working state and the gas temperature before the orifice plate under no design 1, K: V, --- the gas flow reading of the secondary instrument during the test, m: the gas flow rate after the main, mh
6.2.2.4 When the flow meter is used to measure the main flow, it is used as the density of the medium used for measurement and calibration. When the temperature and pressure do not return, the measurement is corrected according to formula (2).
V=V,×R +K2
Wu Zhong:
The gas flow after the image is positive, mh:
The meter also refers to the drop type, mh;
I The correction coefficient of the measured gas density, according to formula (3) War
Where: I·calibration gas density, ke/m\: p
Where:
Measured gas density, kg/m;
Float material density, kg/m;
j(pc-p2)
Measured gas temperature and humidity correction coefficient, according to formula (4). K2
Pressure at calibration. MP (absolute);
Pressure of the measured gas: MPa (absolute:
-Temperature at calibration, K:
Humidity of the measured gas, K
6.2.2. 5 For the fluorine extraction equipment recommended by I, the product output can also be calculated according to formula (5). F = -$Ww+re)
Wherein: - product output, m
VT process into the ammonia tower flow, mh;
Vw-hydrogen tower residual gas discharge flow, mh
hydrogen tower reflux hydrogen, mh.
6.2.3 Determination of state product hydrogen output
6,2.3.! When there is a product liquid hydrogen meter terminal inside, the amount is measured. 6.2.3.2 When there is no product meter in the tower and it is discharged, the external product liquid hydrogen is used for measurement. 6.1.3.3 The state product chlorine output is converted into gas under standard conditions. 6.2.4 Product point purity determination
JBrT 8942-1999
6.2.4.1 The sampling point for the determination of the purity of the product oxygen shall be connected to the sampling point specified in the process flow chart. The connecting pipeline from the sampling point to the analytical instrument must be cleaned with gold.
6.2.4.2 Before the purity determination, the relevant valves and pipelines shall be checked for leakage and fully purged and replaced with the analyzed gas. 6.2.4.3 For the product hydrogen with a purity greater than or equal to 99.99×10-1, the determination shall be in accordance with the provisions of GB/T4842. 6.2.4.4 For the product hydrogen with a purity greater than or equal to 99.999×10-1, the determination shall be in accordance with the provisions of GD/T10624. 6.2.5 Instrument input rate
6.2. 5. 1 Assume that the meter input rate is calculated according to formula (6). Instrument input rate. Number of running instruments
Instrument assembly
Note: Only the total number of meters is the sum of the input meter and analysis room safety factor numbers, excluding the old instruments that cannot be used due to the quality of the old users.
7.1 The supporting units of hydrogen extraction equipment shall be inspected and qualified by the quality inspection department of the manufacturer, and shall be accompanied by a product certificate before leaving the factory. Before the performance test of the complete equipment is carried out, all parts must be inspected and qualified before the performance test of the complete equipment is allowed. 2 Hydrogen extraction equipment shall be subject to continuous test or joint test of 481. The expected indicators shall meet the requirements of Table 4 or the contract. Marking, packaging, transportation and storage
8.1 Marking
8.1.1 The product nameplate of chlorine extraction equipment shall be placed in a conspicuous position, and its size and technical requirements shall comply with the provisions of GB/T13306. 8.1.2 The nameplate of hydrogen extraction equipment shall include: a) manufacturer name:
h) trademark;
c) product model:
d) product name:
e) semi-important performance parameters:
manufacturing date:
g) factory number.
8.1.3 The transport, packaging, and storage marks of product packaging boxes shall comply with the provisions of GB 63. 8.1.4 The transport icon marks of product packaging boxes shall comply with the provisions of GB 191. 8.2 Packaging
8.2.! The design of product packaging boxes shall comply with the relevant provisions of transportation and storage: 8.2.2 The product shall be assembled in accordance with the provisions of GB/T 13384 and JB 2536. 8.2.3 The factory technical documents of the handling equipment (including supporting units) shall include the following contents: Product certificate: b) Product instruction manual: e) Installation technical requirements; a) Filter container quality certificate, the above drawings; JB/T 8942-1999 filter process diagram, general drawing and appearance of each supporting single machine or drawings and technical documents provided as per the contract, installation list; Scope of delivery of complete set 8.3 Transportation and storage 8.3.1 The technical requirements for transportation of products shall comply with the new provisions of GB/T 13384-2536. 8.3.2 Before packaging, the product should be stored in a covered area in the warehouse, 3 mm above the ground. The site should be dry and ventilated. 8.3.3 The storage time of the equipment should exceed the oil seal anti-rust period specified in the product manual. The rust control should be carried out carefully.
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