Dust removal system

A technology of dust removal system and dust removal cylinder, which is applied in the directions of gas dust removal, dispersed particle filtration, combined device, etc., can solve the problems of large turning radius, large running noise, and difficult layout of transportation vehicles, so as to optimize dust removal efficiency and dust removal effect and save energy. The effect of reducing maintenance and replacement costs and reducing the maintenance and replacement rate

A technology of dust removal system and dust removal cylinder, which is applied in the directions of gas dust removal, dispersed particle filtration, combined device, etc., can solve the problems of large turning radius, large running noise, and difficult layout of transportation vehicles, so as to optimize dust removal efficiency and dust removal effect and save energy. The effect of reducing maintenance and replacement costs and reducing the maintenance and replacement rate

CN108018089APending Publication Date: 2018-05-11JIANGSU PROVINCE METALLURGICAL DESIGN INST
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  • Dust removal system
  • Dust removal system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1: as figure 1 As shown, the dust removal system includes a cyclone dust collector 1 and a bag filter. The bag filter includes a plurality of dust removal cylinders 2. The number of dust removal cylinders can be determined according to specific conditions, and the layout spacing, size and cylinder can be adjusted according to specific working conditions. Quantity; such as figure 2 As shown, the dust removal cylinder is distributed around the cyclone dust collector, and the dust removal cylinder is equipped with a keel, a filter bag and a pulse blowback system. A buffer tank 3 is arranged on the top of the cyclone dust collector, a partition plate 4 is arranged between the buffer tank 3 and the cyclone dust collector, and reinforcing ribs are arranged on the partition board. The top of the cyclone dust collector is provided with an overpressure relief device 5, a first main pipe 6 and a second main pipe 7; one end of the overpressure relief device 5 is locat...

Embodiment 2

[0031] Embodiment 2: The rest of the structure is the same as in Embodiment 1, wherein the first branch pipe 8 and the second branch pipe 9; the first branch pipe includes a valve, a hand hole 81, a large tie rod compensator 82 and a purge and release facility, and the valve includes a butterfly valve 83 and glasses Valve 84, the second branch pipe includes valve, hand hole 91, large tie rod compensator 92 and purge and release facilities, and the valve includes butterfly valve 93 and glasses valve 94.

[0032] The above system is used for dust removal of blast furnace gas. The raw gas enters the first main pipe 6 from the top of the blast furnace, passes through the buffer tank 3, enters the cyclone dust collector 1, and performs the first step of dust removal to remove large particle size dust in the raw gas. Dust content can be reduced to ≤10g / Nm 3 , the first branch pipe 8 of the cyclone dust collector 1 enters the dust removal cylinder 2 of the bag type dust collector, an...

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Abstract

The invention discloses a dust removal system. The dust removal system comprises a cyclone dust remover and a bag type dust remover, wherein the bag type dust remover comprises a plurality of dust removing barrel bodies and the dust removing barrel bodies are distributed around the periphery of the cyclone dust remover. The system disclosed by the invention has the advantages of compact structure,convenience for conveying and transporting ash, small occupied area, capability of effectively preventing dust particles from being deposited to block pipelines, capability of effectively balancing pressure oscillation of a blast-furnace gas pipe network and capability of effectively reducing pipeline brushing, long service life, small operation noises, flexibility in hoisting and overhauling andsafety and reliability.

Description

technical field [0001] The invention relates to a dust removal device, in particular to a dust removal system. Background technique [0002] At present, in the dry dedusting process of blast furnace gas in metallurgical enterprises, the blast furnace raw gas with high temperature and high dust content needs to be connected to the cyclone dust collector (gravity dust collector) through the overhead raw gas main pipe of the furnace top, and the cyclone dust collector (gravity dust collector) After the first step of dedusting, it is connected to the bag filter through the large tie rod compensator of the standpipe, the length of which is usually greater than 10m, and the horizontal connection pipe. The lower part enters, and the clean gas pipeline is connected from the middle and upper part (or upper part) of the cylinder, and the clean gas main pipe of the bag filter is directly connected to the blast furnace gas pipe network, and then passes through the pressure reducing valv...

Claims

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Application Information

Patent Timeline
11 May 2018
Publication
CN108018089A
IPC
C10K1/02; B01D50/00; B01D45/16; B01D46/02; B01D46/48
CPC
B01D45/16; B01D46/02; B01D46/48; C10K1/02; B01D50/20
Inventors
鲁建雄; 张灵