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Xinlong supplies new type of bag filter with good quality and full specifications

Publisher: Botou Xinlong Dedusting EquipmentRelease Date: 2019-06-22

Xinlong supplies new type of bag filter with good quality and detailed specifications

Fabric bag dust collector production, installation and solutions to common problems

主要由底座、灰斗、进气室、壳体、出气室、布袋、脉冲装置等组成,设备供贷方式一般为散件供货,安装前均要组合。 The bag dust collector is mainly composed of a base, a ash hopper, an air inlet chamber, a casing, an air outlet chamber, a bag, a pulse device, etc. The equipment supply and loan methods are generally delivered in parts and must be combined before installation. Therefore, the installation must be well controlled to ensure the dust removal effect of the equipment. Because the installation height of the dust collector is generally high, the installation is more difficult. More lifting appliances are used.

1. Quality control of lower support:

Generally, the lower ribs of the foundation column of the dust collector are welded before leaving the factory. During the installation, the lower portion of the foundation column is welded with the embedded foot plate. However, due to civil engineering errors, the verticality of the column must be adjusted when the column is welded with the embedded plate, otherwise the geometric size of the lower frame of the dust collector cannot be guaranteed. Because the ribs have been welded, the contact area between the bottom of the column and the foundation becomes larger, which increases the difficulty of adjusting the installation of the column. According to this situation, the method of adjusting the columns first and then welding the ribs can be used to solve this problem. That is, if the bottom ribs have been welded, you can first cut the ribs and columns, adjust the verticality of the columns, then weld the columns and ribs, and finally weld the ribs and the embedded steel plate of the foundation. The alignment of the column and the lower frame can be checked and accepted by the level, spirit level, and tape measure for the longitudinal, horizontal centerline, and elevation. Welding of the support and embedded parts can be performed after passing. The weld must reach the required height to ensure firmness.

2. Quality control of ash bucket production and installation:

The ash hopper is one of the main components of the dust collector. If the whole factory leaves the factory, it will increase the difficulty of transportation. Before the factory, the side panels are made separately and shipped to the site and then spliced. The splicing is difficult, and because the size of the board is too large, the transportation is inconvenient, the transportation cost is increased, and it is easy to cause deformation. Increased the workload of field calibration. At the same time, the number of lifting equipment used on the site has also increased. In this case, you can consider making the ash bucket into three pieces of upper, middle, and lower, or two pieces of upper and lower, and then assemble them on site. Considering the strength reasons, the seam positions of the four feeding boards of the ash bucket can be staggered from each other ( as shown in Figure 1) , which can greatly reduce the assembly work on site, and ensure the accuracy and strength of ash bucket production and installation, and also reduce The number of mechanical shifts used for assembly.

3. Quality control of shell installation:

The shell is mainly composed of a bottom ring beam, a column, a top beam, and a feed wall. Due to the limitation of the site, the bottom beam is hoisted by a single combination on the ground and is integrated to the support position. If the volume of the dust collector is small, it can be assembled into a frame structure on the ground and hoisted in place by a crane at one time. Check the accuracy of each beam before assembling, and correct it if it fails. Mark the assembly test before leaving the factory, and install it strictly according to the label set. After the combined bottom beam, its side length deviation, diagonal deviation, and level deviation should meet the requirements of the manufacturer and specifications. After acceptance, seal welding is performed. The upper and lower flower plates are one of the most demanding parts in the production of dust collectors, which require good air tightness, small surface deformation, and smooth bagging. In response to these requirements, we have taken corresponding measures: first, the holes on the flower plate are formed by stamping to reduce the deformation of the plate surface; second, The tying bag is formed by one-time hot pressing using special equipment. Third, the reverse deformation method is used to reduce the welding deformation during welding. Fourth, the airtightness of the weld is checked using the principle of water tightness. Through the above measures combined with the implementation of the corresponding quality inspection standards, the quality of the flower plate has been significantly improved.

4. Quality control of pulse valve installation:

The quality of the pulse valve installation determines the dust removal effect of the bag filter. Generally, the pulse valve is shipped together with the air bag or separately from the air bag. Due to the unreasonable structural design of some airbags, air leakage often occurs in the installation of pulse valves. The main performance is as follows: First, the size of the installation fit between the air bag and the pulse valve is large. Causes the contact surface between the air bag and the pulse valve to leak or cannot be installed. Second, the structure of the air bag is unreasonable. The installation bolt hole of the pulse valve opens the air bag to the outside world, causing air leakage in the bolt hole. Third, the structure of the pulse valve is not reasonable, and the selection of the connecting bolt is unreasonable. Insufficient tightening force. Poor sealing performance.

During the installation process, for the airbags with large deviations in installation and fitting, the diameter of the seal 0 -ring at the lower part of the pulse valve can be replaced to adjust; the connection bolts can be replaced if they are not selected properly. If the situation allows. Hex socket screws are recommended. After reasonable modification during installation. Leakage at the pulse yan site no longer occurs, and the neon pressure of the airbag is guaranteed.

5. Control of internal cleanliness:

During dust collector installation. Electric welding is used more frequently. There are many temporary supports and brackets inside the casing. Therefore, after the installation is completed, the ash discharge bolt under the ash bucket must be removed. After completely removing the interior of the dust collector, install the ash discharge valve. Otherwise, it is very easy for the ash discharge valve and the conveyor to be jammed by debris during the test run and production process.

Botou Xinlong Dedusting Equipment Co., Ltd. is a well-known company in the industry of Botou Foundry Machinery Factory. It is located in Cangzhou, a well-known petrochemical base in the country and an important land and sea transportation hub in the north. High-speed rail, Beijing-Shanghai Railway, Beijing-Shanghai Expressway, National Highway 104, National Highway 106 , 307 and Shihuang Expressway in the west , Nantong, Shandong, Jinan, Texas, and Shandong Province in the north, Beijing, Tianjin in the north, Shijiazhuang, the capital of the province, and Beijing, Tianjin, Jinan, Shijiazhuang and other cities are all within two hours' drive, and the transportation is very convenient.

Botou Xinlong Dedusting Equipment Co., Ltd. has strong technical force, advanced equipment, and a full set of special equipment imported from abroad. The company's products and quality are at the advanced level in the same industry in China, with a complete range. 单机除尘器 ,旋风除尘器,静电除尘器,脱硫除尘器,滤筒除尘器, 电炉除尘器 ,锅炉除尘器,木工除尘器,钢铁除尘器,矿山除尘器,煤矿除尘器,水泥厂除尘器,行业除尘器,除尘器布袋,除尘器骨架,星型卸料器, 电磁脉冲阀 ,输送设备及除尘器配件等系列产品,也可根据用户需要进行非标设计及改造安装,广泛应用于矿山、石料厂、选矿厂、煤矿破碎筛分、冶金、建材、化工、电力、机械等行业的烟气净化、粉尘治理及物料的回收。 Our company mainly produces bag dust collector, stand-alone dust collector , cyclone dust collector, electrostatic dust collector, desulfurization dust collector, filter cartridge dust collector, electric furnace dust collector , boiler dust collector, woodwork dust collector, steel dust collector, mine dust collector, Coal mine dust collector, cement factory dust collector, industrial dust collector, dust collector bag, dust collector frame, star discharger, electromagnetic pulse valve , conveying equipment and dust collector accessories, etc., can also be designed according to user's requirements And retrofit installation, widely used in mines, stone plants, ore dressing plants, crushing and screening of coal mines, metallurgy, building materials, chemical industry, electric power, machinery and other industries for flue gas purification, dust management and material recovery.

布袋除尘器 ,单机除尘器,电炉除尘器, 矿山破碎除尘器 ,电磁脉冲阀, 脉冲控制仪 Botou Xinlong Dedusting Equipment Co., Ltd. specializes in producing bag dust collectors , stand-alone dust collectors, electric furnace dust collectors, mine crusher dust collectors , electromagnetic pulse valves, and pulse controllers .

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