This standard specifies the specifications, dimensions, materials, manufacturing requirements, product acceptance, packaging, storage and transportation requirements of DN300~DN5000mm drawer-type wire mesh demisters. HG/T 21586-1998 Drawer-type wire mesh demisters HG/T21586-1998 Standard download decompression password: www.bzxz.net

Industry Standard of the People's Republic of China
HG/T21586
Withdruwable Wire Mesh Mist Eliminator
Issued on 1998-03-23
Ministry of Chemical Industry of the People's Republic of China
Document of the Ministry of Chemical Industry
Notice on the Issuance of 5 Industry Standards including Withdruwable Wire Mesh Mist Eliminator
To all provinces, autonomous regions, municipalities directly under the Central Government and cities with independent planning status, and to all relevant units: The 5 standards including Withdruwable Wire Mesh Mist Eliminator formulated by the relevant design and transmission centers have been approved as recommended standards after review and will be implemented from July 1, 1998. Standard name, number, super unit, main unit, publishing unit;
Standard name
Pumping wire mesh speed
Determination of static wall friction coefficient of powder and granular body
Beigong mine thermal protection design
Design pit
Chemical mine
Standard preparation design specification
Chemical mine steam
Process design specification
Organization single symptom
National Chemical Engineering Second Engineering
Design Technology Center
National Chemical Engineering First Engineering
Design Technology Center
Full-pressure chemical mine design
Technical Center Station
Main Comprehensive Unit
National Chemical Engineering Design Technology Center
National Chemical Engineering Design Technology Center
Publishing and Distribution Unit
National Chemical Engineering Hall
Establishment Standard Editing Center
National Chemical Engineering Traces
Establishment Standards Information Center
Chemical Energy Tianjin Yunjiu Establishment National Chemical Mine Design Institute
National Chemical Mine Design Ministry Lianyungang Establishment Technology Export Center
National Chemical Mine Design
Technical Center Station
The five standards are respectively managed by various organizing units. ：Design Institute
Ministry of Industry Lianyun School
Design Research Road
Design CenterbzxZ.net
National Chemical Mine Design
Design Technology Center
National Chemical Mine Section
Design Technology Center
Ministry of Chemical Industry
March 33, 1998
Industry Standard of the People's Republic of China
Drawer Type Wire Mesh Defoamer
HG/T 21586-:98
Establishment location: Chemical Engineering Design Technology Center Department: Chemical Engineering
Implementation date:: October 1998
Engineering Standard Editing Center of Ministry of Chemical Industry
1998 Beijing
This standard is made according to the basic work plan issued by the construction coordination document of the Ministry of Chemical Industry. The wire mesh degassing device is a gas separation device. The gas passes through the wire pads of the device to remove the retained gas. The structure of the wire mesh degassing device is the structure of the wire mesh degassing device. The gas passes through the tower and enters the tower. The degassing device is characterized by fast operation and can be replaced outside the tower. The wire mesh degassing device is a kind of gas separation device. The gas passes through the wire pads of the device to remove the retained gas. The wire mesh degassing device is a kind of gas separation device. The gas passes through the wire pads of the device to remove the retained gas. The wire mesh degassing device is a kind of gas separation device. The gas passes through the wire mesh degassing ... Since 1993, this type of foam has been developed and marketed in many domestic acyl acid plants with good results. In order to further promote its use, our Chemical Engineering Technology Center has compiled this standard and the experts from the General Chemical Engineering Technology Center have reviewed and approved this standard. If there are any comments during use, please contact the Chemical Engineering Technology Center for revisions and revisions. The Chemical Engineering Technology Center of the Ministry of Chemical Industry is located at No. 3, Beitou, Tai Z Road, Si'an City, Sichuan Province, China 10054. This standard is maintained by the Chemical Engineering Technology Center of the Ministry of Chemical Industry (China Chemical Engineering Design Technology Center Co., Ltd., Hangzhou, China). Main starting person: Xiao Honghai Chen An Zhongtu Fuhua field ban single 3
Student content: Development and use model
Introduction to month standard
Give configuration type and specification
Technical requirements
Inspection and acceptance
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Appendix A Demister wire mesh
Thanks for recording work reduction and efficiency calculation
Thanks for the most! 1 Topic content and scope of application 1.1 Subject content This standard specifies the specifications, dimensions, quality, manufacturing requirements, product acceptance, packaging, storage and transportation requirements of wire mesh demisters with a nominal diameter of DN30U~TN53Umm (hereinafter referred to as "demisters"). 1.2 Application and selection 1.2.1 Demisters are used for gas-liquid separation and are used to remove mist in gas. They are suitable for chemical, industrial, engineering, metallurgy, environmental protection and other industries. 1.2.2 Demisters can be installed in the upper part of the submersible and can be used as independent gas-liquid separation equipment. According to legal requirements, one or two layers of demister elements can be installed in the demister, which is used for regular cleaning, inspection or replacement. 1.2.3 The suitable pressure of the demister is wide. Applicable short-term bacteria pressure: stainless steel ≤ 400 ℃; broken hook 300 ℃, 3.1.4 The material of the defoamer is:
<1) The whole steel and defoamer and supporting components are all stainless steel; (2) The wire mesh is stainless steel. The frame and supporting components of the defoamer are pins: (3> The wire mesh is made of other non-metallic wires. The frame and supporting components are stainless steel or carbon copper. 1-2.5 The applicable gas flow rate of the defoamer (calculated by the effective transverse area of ​​the gas passing through the defoamer) ranges from 2.5 to 4.5 m/5; the suitable gas velocity for the acid industry is s~4 m/a. The mist particle mass in the gas is >um, and the mist concentration is 100/m. For sulfuric acid industry, when the gas flow rate is: 3.2m/s, the particle size is >5%m, the defoaming rate is >98%. 1
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3.1.1 The following small rectangular mesh block is determined by the lamp and the size. The components are combined and modified as shown in Figure 3.1. Then the mesh is drawn or placed in a cylinder with a guide rail and a sealing plate. 3.1.2 The mesh is replaced by a natural mesh group or a mesh connected to the net. It is divided into two types: 10 (mm and 15 mm.
3.1.3 Guide rail, sealing, drawer Made of steel inlay welding. 4 The defoamer element is allowed to be installed through the new port (i.e. the exhibition can be connected to the student or approved by the 3.1.5 comprehensive course. The element is generally set in 1-2 rooms. Figure 3.1.1 Service Components
3.2 Specifications
The defoamer is a detachable structure. Its specifications are simplified by the public and private interpretation of the material and block. For details of the different nominal points, please refer to 3.2-1~5.27 and Table 3.21-Table 3.27, 5||tt ||3.2 Slow-acting suction foam removal structure (DN310-8 in the middle and blue: 2-this piece 3-lantern-# is connected to the S-conductor system,?-Also early.8-on the version 9-send full of multiple components. Make the body
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