Cooling positive-pressure reverse suction air large cloth bag dust removal device of submerged arc furnace
A bag dust removal and reverse air suction technology is applied in the separation of dispersed particles, chemical instruments and methods, and filtration of dispersed particles.
Inactive Publication Date: 2018-09-21
宁夏南方环保科技有限公司
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Problems solved by technology
[0004] However, due to the high-temperature flue gas, repeated shrinkage and swelling of the filter bag, the weight of the filter bag, and the weight of the attached dust during the use of the existing bag filter, the filter bag will be elongated, and the seat bag and filter bag will be in the process of cleaning and filtering. When the filter bag swings, friction occurs between the filter bag and the filter bag, between the filter bag and the dust collector box, and the flue gas scours the filter bag, causing the filter bag to be damaged in a short period of time. Although the upper part is tensioned by a spring, it often It is necessary to manually lift the lifting chain to prevent the bag from sitting
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[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained according to these drawings without any creative effort.
[0020] see as figure 1 —— Figure 4 As shown, this specific embodiment adopts the following technical scheme: it includes a box body 1, a hanger 2, a hook 3, a hoop 4, a filter bag mechanism 5, a dust inlet 6, and an induced draft fan 7; the box body 1 The upper end is provided with a hanger 2, and a number of hooks 3 are arranged on the hanger 2. The upper end of the filter bag mechanism 5 is fixed with the hook 3 through a hoop 4; the lower part of the box body 1 is connecte...
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The invention discloses a cooling positive-pressure reverse suction air large cloth bag dust removal device of a submerged arc furnace, and relates to the technical field of industrial electric furnaces. A hanging bracket is arranged at the upper end of a box body, a plurality of lifting hooks are arranged on the hanging bracket, and the upper end of a filtering bag mechanism is fixed to the lifting hooks through hoop rings; the lower part of the box body is connected with a dust inlet, the upper part of the box body is connected with an induced draft fan, and a plurality of filtering bag mechanisms are arranged in the box body; an upper cap and a ring sleeve are fixed at the upper end and the lower end of each filtering bag respectively, and a guide tube is arranged in each ring sleeve; aplurality of anti-swing rods and a plurality of tension springs are uniformly distributed on the peripheries of the filtering bags; a tubesheet is welded to the bottoms of the guide tubes and the bottoms of the ring sleeves; the tubesheet is fixed to the inner side wall of the box body, and the tubesheet is provided with dust inlet holes. By means of the cooling positive-pressure reverse suctionair large cloth bag dust removal device of the submerged arc furnace, bag pressing is avoided, manual lifting is not needed, damage caused by friction between the filtering bags and between the filtering bags and the box body of a dust remover is avoided, and the service life is long.
Description
technical field [0001] The invention relates to the technical field of industrial electric furnaces, in particular to a positive-pressure reverse-suction large-bag dust removal device for submerged arc furnace cooling. Background technique [0002] The submerged arc furnace is an industrial electric furnace that consumes a lot of power. It mainly consists of furnace shell, furnace cover, furnace lining, short net, water cooling system, smoke exhaust system, dust removal system, electrode shell, electrode pressing and lifting system, loading and unloading system, gripper, burner, hydraulic system, submerged arc furnace Transformers and various electrical equipment and other components. [0003] The submerged arc furnace has the characteristics of large flue gas volume, high temperature and fine dust, so it is difficult to control. Usually, devices such as cyclone dust removal, bag dust removal, and electrostatic dust removal are used. Among them, the cyclone dust removal d...
Claims
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IPC IPC(8): B01D46/02B01D46/06
CPCB01D46/023B01D46/06
Inventor 周国平袁建栋张方水谢敏柳华岳新宁
Owner 宁夏南方环保科技有限公司