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Negative-pressure large-cloth-bag dust removal device for industrial silicon submerged arc furnace

A technology for bag dust removal and submerged arc furnace, applied in the field of submerged arc furnace, can solve the problems of leakage of large bags, influence of induced draft fan, and high filtration load of large bags, and achieve the effect of reducing filtration load and improving filtration capacity.

Pending Publication Date: 2022-07-22
ANHUI HANSHAN COUNTY TIANSHUN ENVIRONMENTAL PROTECTION EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] 1. In the actual process of negative pressure dust cleaning, due to the leakage of the large cloth bag, the dust can pass through the large cloth bag, which will affect the induced draft fan, and then lead to the direct discharge of such dust and environmental pollution;
[0006] 2. In the process of negative pressure cleaning of the equipment, the method of cleaning dust is usually filtered by a large cloth bag. The filtering method is single, which easily leads to a high filtration load of the large cloth bag.

Method used

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  • Negative-pressure large-cloth-bag dust removal device for industrial silicon submerged arc furnace
  • Negative-pressure large-cloth-bag dust removal device for industrial silicon submerged arc furnace
  • Negative-pressure large-cloth-bag dust removal device for industrial silicon submerged arc furnace

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] see figure 1 , an industrial silicon submerged arc furnace negative pressure large bag dust removal device, including a dust removal component 1, a sealing cover 2, a snap bolt 3, an external filter component 4, an extension pipe 5 and an induced draft fan component 6, and the lower left side of the dust removal component 1 passes through The snap bolt 3 is installed with the sealing cover 2, and the opening of the dust removal component 1 is sealed by the sealing cover 2 to prevent the leakage of smoke and dust during the dust removal process. An external filter component 4 is installed on the lower right side of the dust removal component 1 for auxiliary filtering of smoke and dust. An extension pipe 5 is installed in the external filter assembly 4, and an induced draft fan assembly 6 is installed at the end of the extended pipe 5. The external filter assembly 4 is connected with the induced draft fan assembly 6 by the extension pipe 5, and the induced draft fan assemb...

Embodiment 2

[0040] The difference between this embodiment and the first embodiment is that the internal structure of the dust bag assembly 103 is different.

[0041] The dust bag assembly 103 includes a fixed outer frame 1031, a connecting ear plate 1032, an assembly frame 1033, a bag bracket 1034, bracket bolts 1035, a bag body 1036, a snap screw 1037, a positioning nut 1038 and a secondary filter screen 1039. The outer frame is fixed. The side of the 1031 is provided with a connecting lug plate 1032. The connecting lug plate 1032 is used to assemble the connecting bolts 104. The lower side of the fixed outer frame 1031 is provided with an assembly frame 1033. The assembly frame 1033 is the overall shell of the dust bag assembly 103. The bag bracket 1034 is installed on the inner side, the bracket bolts 1035 are installed on the bag bracket 1034, and the bag bracket 1034 is installed on the inner side of the assembly frame 1033 by using the bracket bolts 1035. The lower side of the bag br...

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PUM

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Abstract

The invention discloses an industrial silicon submerged arc furnace negative pressure large cloth bag dust removal device, which comprises a dust removal assembly, a sealing cover, a buckle bolt, an external filter assembly, an extension pipe and an induced draft fan assembly, and is characterized in that air in the dust removal assembly is extracted by utilizing an air extracting pump and air extracting fan blades, so that negative pressure is formed in the dust removal assembly; smoke gas is filtered and separated for the first time through a dust removal cloth bag assembly in the dust removal assembly, and is filtered and separated for the second time at a dust collection net in an external filter assembly on the right lower side of the dust removal assembly, and meanwhile, an adjusting water tank is arranged in the induced draft fan assembly, and purified water in a water tank shell is heated and evaporated through a heating coil; the internal humidity of the assembly shell is improved, after entering the induced draft fan assembly, part of smoke dust is combined with water vapor in air and settles in the adjusting water tank, the multi-stage filtering mode is adopted, the smoke dust gas filtering capacity is effectively improved, meanwhile, the mode that filtering and wet settling are conducted in parallel is adopted, and the filtering load of the dust removal cloth bag assembly is effectively reduced.

Description

technical field [0001] The invention relates to the technical field of submerged arc furnaces, in particular to a negative pressure large bag dust removal device for industrial silicon submerged arc furnaces. Background technique [0002] The submerged arc furnace is a kind of industrial chemical raw material smelting equipment commonly used in the metallurgical industry. During the normal operation of the equipment, a large amount of smoke and dust will be generated, and the smoke and dust contains various substances. If such smoke and dust are not treated and discharged, the It is easy to pollute the environment, and this type of smoke is usually cleaned and filtered by special negative pressure large bag dust removal equipment. [0003] Patent No. CN202120024418.1 provides a submerged arc furnace smoke and dust treatment back blowing suction air inner filter large bag negative pressure dust removal system, through back blowing and back suction ash transporting and ash cle...

Claims

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Application Information

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IPC IPC(8): B01D46/02B01D46/12B01D46/56B01D50/60
CPCB01D46/023B01D46/12
Inventor 钟华张兵梁明
Owner ANHUI HANSHAN COUNTY TIANSHUN ENVIRONMENTAL PROTECTION EQUIP
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