Flow guiding device for bag dust remover air duct
A technology of diversion device and dust collector, which is applied in chemical instruments and methods, separation of dispersed particles, filtration of dispersed particles, etc. It can solve the problems of high filter resistance of bag filter, inability to distribute air volume uniformly, and inability to maintain filter load, etc., to achieve Reduce dust adsorption and filter resistance, good dust settlement effect, reduce the effect of outlet dusty gas concentration discharge
Inactive Publication Date: 2009-12-16
HEFEI CEMENT RES DESIGN INST
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Problems solved by technology
[0003] 1. The air volume of each bag room cannot be better distributed evenly, and the filter load of each bag room cannot be maintained almost the same, so that some bag dust collectors have high filtration resistance and shorten the life of filter bags
[0004] 2. The inertial sedimentation of dust in the dusty gas in the air duct is small, a large amount of dust is adsorbed on the filter bag, the filter bag has high filtration resistance, the cleaning cycle is accelerated, and the life of the filter bag is shortened
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[0012] Such as figure 1 , 2 As shown, one side of the upper part of the box body with ash hopper 8 is provided with an air inlet flange 1 connected to the air inlet pipe, and the upper part of the other side of the box body corresponding to the air inlet pipe mouth is provided with an exhaust pipe The connected air outlet flange 7 is separated from the air inlet and outlet air passages by the air inlet and outlet air passage dividing plate 3 in the casing. A flower plate is installed above the box body, and the upper opening of the filter bag 9 is installed on the through hole of the flower plate, and a clean air chamber 6 is formed between the flower plate and the top of the box body. The dust collector is divided into a plurality of bag rooms by a room partition 10 . The inlet and outlet air duct partitions in the air duct are arranged according to the bag room, and the whole is in a ladder shape. According to the wind speed of the air inlet duct 4, the step height of the...
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Abstract
The utility model relates to a flow guiding device for a bag dust collector air duct, which belongs to the technical field of bag dust collectors. The technical problem to be solved is to provide a flow guiding device for the air duct of the bag filter which can improve the air uniformity effect, reduce the running resistance of the bag filter, increase the ventilation volume of the system, and prolong the service life of the filter bag. Its technical points are: the inlet and outlet air duct partitions (3) in the air duct are arranged according to the bag chambers, and the whole is in a ladder shape; Rake deflectors (2) corresponding to the height of the duct. Since the partitions of the air inlet and outlet in the air duct are designed in a stepped shape, and two rake-type deflectors interlaced up and down are installed in each bag room in the air inlet channel, so that each bag room can achieve the same filtration load and maximize Increase the inertial settlement of dust in the air duct, reduce the dust adsorption on the filter bag, reduce the filter resistance of the filter bag and the discharge of dusty gas concentration at the outlet, and improve the service life of the filter bag.
Description
technical field [0001] The invention relates to a flow guiding device for a bag filter air duct. Background technique [0002] At present, the bag dust collectors widely used in the control of dust pollution in building materials, metallurgy and chemical industries mainly include air box pulse bag dust collectors and tubular pulse bag dust collectors. The inlet and outlet of the air box pulse bag filter share the same air duct, and the air inlet and outlet, dusty gas and purified clean gas are separated by an inclined air duct partition. The dusty gas enters the ash hopper of the bag filter through the air inlet, is filtered by the filter bag, and then is discharged from the outlet of the air duct. There are technical flaws in this air duct, especially when dealing with 200,000 m 3 The defect is more obvious for the large bag filter with dusty gas above / h. Its main problems are: [0003] 1. The air volume of each bag room cannot be better distributed evenly, and the fil...
Claims
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IPC IPC(8): B01D46/02
Inventor侯大刚胡建鹏毛志伟梁显文刘滨
OwnerHEFEI CEMENT RES DESIGN INST