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Blast furnace coal gas overlong pulse bag type dust collector

A bag-type dust collector and blast furnace gas technology, used in dust collectors, chemical instruments and methods, dispersed particle filtration, etc., can solve the processing and transportation difficulties of dust removal equipment, the increase in the area of ​​the dust removal system, and the unstable processing quality. problems, to achieve the effect of shortening the processing cycle of the equipment, good economic benefits, and optimizing the structure and size of the cylinder

Inactive Publication Date: 2012-04-04
KELIN ENVIRONMENTAL PROTECTION EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003]At present, with the enlargement of the blast furnace, the supporting dry bag filter also tends to be larger, and a cylinder dust collector with a diameter of 5-6m has appeared , but the filter bag still stays within 8m, and the floor area of ​​the dust removal system is not small, which brings limitations to the factory transformation and design
In addition, due to the step-by-step increase in the diameter of the dust collector cylinder, it has caused certain difficulties in the processing and transportation of the dust removal equipment. Although the above problems can be alleviated to a certain extent if the on-site processing is performed, the processing quality will be unstable. , Inconvenient product quality inspection and other new problems

Method used

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  • Blast furnace coal gas overlong pulse bag type dust collector
  • Blast furnace coal gas overlong pulse bag type dust collector
  • Blast furnace coal gas overlong pulse bag type dust collector

Examples

Experimental program
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Effect test

Embodiment 1

[0025] like figure 1 The shown ultra-long pulse bag-type dust collector for blast furnace gas includes a dust collector cylinder 1, a filter bag 2, an injection device and an air intake and diversion combined device. Wherein: an air inlet 3 and an air outlet 4 are opened on the side wall of the cylinder body 1 , and the filter bag 2 is arranged in the cylinder body 1 above the air inlet 3 and below the air outlet 4 . The selection of various components in the dust collector is as follows:

[0026] Cylinder 1: Its diameter is between 2600-5000mm.

[0027] Filter bag 2: The length is 12~16m, and the diameter is 130~180mm. The filter material of filter bag 2 can be the traditional filter material, such as glass fiber needle felt, glass fiber P84 composite needle felt (Flumet ) or glass fiber coated filter material, etc.; metal filter material, such as metal sintered wire mesh or metal fiber felt or sintered metal powder, etc.; ceramic filter material, such as ceramic fib...

Embodiment 2

[0036] This embodiment is basically the same as the first embodiment, the difference is that this embodiment adopts the following Figure 5 The shown air inlet guide is mainly a ash guide plate 11, the ash guide plate 11 is arranged in the cylinder 1 on the upper part of the air inlet 3, and the bottom of the ash guide plate 11 is composed of a grid plate 110, so that from When the dust-laden airflow entered by the air inlet 3 passes through the grid plate 110 , some large-sized dust particles that cannot pass through the grid plate can be filtered.

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Abstract

The invention relates to a blast furnace coal gas overlong pulse bag type dust collector, which comprises a dust collector barrel, a filter bag and a blowing device, wherein the side wall of the barrel is provided with an air inlet and an air outlet; the filter bag is arranged in the barrel above the air inlet and below the air outlet; the blowing device comprises air distributing boxes, at least one pulse valve arranged at inlet of each air distributing box and a main blowing pipe; the main blowing pipe is provided with a plurality of spray nozzles along the axial direction; the diameter of the barrel is 2,600-5,000 millimeters; the length of the fiber bag is 12-16 meters; and the diameter of the filter bag is 130-180 millimeters. In the blast furnace coal gas overlong pulse bag type dust collector, an overlong bag technology is introduced, the structural size of the barrel and a corresponding air inlet system are optimized, modularization and fast assembling of a product are realized finally, the processing and transporting costs are reduced, and the technology and costs of the blast furnace coal gas overlong pulse bag type dust collector are completely superior to those of the conventional large barrel blast furnace coal gas dry process bag type dust collector.

Description

technical field [0001] The invention relates to a blast furnace gas ultra-long pulse bag dust collector. Background technique [0002] Blast furnace gas ultra-long pulse bag filter has the characteristics of high temperature resistance, high pressure, flameproof, explosion-proof and anti-virus, so it is widely used. [0003] At present, with the enlargement of the blast furnace, the supporting dry bag filter also tends to be large-scale, and a cylinder dust collector with a diameter of 5-6m has appeared, but the filter bag still stays within 8m, and the dust removal system occupies a large area. The area is also enlarged, which brings limitations to the transformation and design of the factory. In addition, due to the step-by-step increase in the diameter of the dust collector cylinder, it has caused certain difficulties in the processing and transportation of the dust removal equipment. Although the above problems can be alleviated to a certain extent if the on-site proces...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D46/02B01D46/04C21B7/22
Inventor 沈强肖伟方褚明华
Owner KELIN ENVIRONMENTAL PROTECTION EQUIP
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