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A novel efficient parallel-flow-impacting wet dedusting tower

A wet dust removal and high-efficiency technology, which is applied in the direction of dispersed particle separation, chemical instruments and methods, and the use of liquid separation agents, can solve the problems of large power consumption, high energy consumption, and large system resistance, and achieve increased contact area, Improve washing efficiency and fully wash the effect

Inactive Publication Date: 2015-06-03
天津市红特顺科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The dust removal efficiency of electrostatic precipitator is high, but the power consumption is large and the energy consumption is high
The dust removal efficiency of the bag filter is relatively high, but the system resistance is relatively large

Method used

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  • A novel efficient parallel-flow-impacting wet dedusting tower

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Embodiment Construction

[0014] The novel high-efficiency co-current impingement wet dust removal tower of the present invention will be described in more detail below with reference to the accompanying drawings.

[0015] The flow rate of a dusty gas is 60000Nm3 / h, the gas contains elemental sulfur dust, and the elemental sulfur content is 80 mg / Nm 3 , the particle size is 3.2μm, and the operating pressure is 0.55~0.6MPa. The gas containing elemental sulfur enters the tower body 1 of the co-current wet dust removal device through the air inlet pipe 3 at the upper part of the dust removal device. The blades of the block and the third cyclone mixer are installed clockwise, the blades of the second and fourth cyclone mixers are installed counterclockwise, and the installation spacing is 600mm. The top of each cyclone mixer is equipped with a pipe-type liquid distributor 5, and a circulating pump 8 and a regulating valve 10 are installed on the circulating water pipeline to control the flow of water ente...

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Abstract

A novel efficient parallel-flow-impacting wet dedusting tower is provided. A dedusting device comprises a tower body, cyclone mixers, a gas feeding pipe, a water feeding pipe, liquid distributers, a water discharging pipe, a demister, a circulating pump, connecting pipelines, and the like. Gas and washing water pass through the cyclone mixers in a parallel flow manner at the same direction. The gas and the washing water are fully mixed and impact. Washed dust is discharged from the tower bottom. Clean gas enters the demister to separate entrained mist droplets and is finally discharged from a gas discharging port. The wet dedusting tower has characteristics of good dedusting effects, small systemic resistance, no flooding, small tower size and little water using amount, and can be used for washing and cleaning processes of various kinds of dust-containing gas.

Description

technical field [0001] The invention relates to a gas purification technology, in particular to a co-current impact wet dust removal device for industrial dust-containing gas, belonging to the field of dust removal equipment. Background technique [0002] In chemical, pharmaceutical, food, waste gas treatment, environmental protection and other fields, it is often necessary to purify dust-containing gas. At present, the widely used dust removal equipment includes various tower wet dust collectors, cyclone dust collectors, gravity dust collectors, electrostatic precipitators, and bag dust collectors. The tower wet dust collector often adopts the method of gas-liquid countercurrent, with trays installed in the tower, and some without trays, directly using the form of empty tower spraying, although the dust removal effect is acceptable, but the gas-liquid two-phase In the tower body, the gas flow rate in the tower is limited, and the liquid flooding phenomenon is easy to occur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D47/00
Inventor 徐桂泉
Owner 天津市红特顺科技有限公司
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