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Integrated bag-type dust removal and fluidized adsorption device

An adsorption device and fluidized technology, applied in the field of integrated bag dust removal and fluidized adsorption device, can solve problems such as troublesome operation, achieve stable operation, simple structure, and reduce operating costs

Inactive Publication Date: 2014-07-16
HARBIN INST OF TECH AT WEIHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the adsorption is saturated, the adsorber needs to be taken out from each filter bag for replacement, which is troublesome to operate

Method used

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  • Integrated bag-type dust removal and fluidized adsorption device
  • Integrated bag-type dust removal and fluidized adsorption device

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Embodiment Construction

[0013] like figure 1 and figure 2 As shown, a device integrating bag dust removal and fluidized adsorption includes ash bin 2, box body 3, and ash cleaning device from bottom to top. The box body 3 is cylindrical, and the box body 3 is divided into a sub-chamber, and several filter bags 4 for dust removal are arranged in the sub-chamber. A gas-solid separator 8 is connected to the outside of the box body 3, and the gas-solid separator 8 is a cyclone separator. The flue gas inlet 1 is installed on the ash bin 2 , and the flue gas enters the ash bin 2 through the flue gas inlet 1 , flows through the perforated plate 31 and enters the box body 3 . The perforated plate 31 is provided with a plurality of round holes for the purpose of making the amount of flue gas treated by each vertically installed filter bag 4 equal, and the 6 filter bags 4 are evenly distributed along the cross section of the box body 3, and the dust filter adopts an external filter type. The filter bag 4 i...

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Abstract

The invention relates to an integrated bag-type dust removal and fluidized adsorption device. The integrated bag-type dust removal and fluidized adsorption device comprises a dust bin, a box body and a dust cleaning device, wherein the box body is divided into one or more chambers; a plurality of bag filters for removing dust are arranged in each chamber; a fluidized bed is arranged in the dust bin and the box body; the fluidized bed is provided with a discharge pipe, a flue gas collection box, a gas distribution plate and a lift pipe in sequence from the bottom up; the equivalent diameter of the lift pipe is 1 to 15 percent that of the box body; one side at the lower part of the lift pipe is connected with a feed pipe; the upper part of the fluidized bed is connected with a gas-liquid separator through a smoke exhaust pipe; and flue gas, in which the dust is removed by the bag filters, enters the flue gas collection box through a flue gas pipeline and fluidizes absorbent in the lift pipe through the gas distribution plate, and the absorbent is used for adsorbing gaseous pollutants. The integrated bag-type dust removal and fluidized adsorption device has the advantages of simple structure, convenience and reliability in operation, no secondary pollution and no water consumption. Meanwhile, the integrated bag-type dust removal and fluidized adsorption device can effectively remove the gaseous pollutants such as particles, SO2, NOx and Hg as well as various poisonous and adverse organic industrial emissions and has good dust removal and adsorption effects.

Description

technical field [0001] The invention belongs to the fields of industrial waste gas purification, environmental protection and chemical industry, and in particular relates to an integrated bag dust removal and fluidized adsorption device. Background technique [0002] In September 2011, the Ministry of Environmental Protection and the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China jointly issued the "Emission Standards for Air Pollutants from Thermal Power Plants" (GB13223-2011), which incorporates SO 2 The emission concentration standard is changed from 400mg / m 3 Increased to 200mg / m 3 , key areas increased to 50mg / m 3 ; NOx emission standard changed from 450mg / m 3 Increased to 100mg / m 3 ;Smoke emission standard changed from 50mg / m 3 Increased to 30mg / m 3 , key areas increased to 20mg / m 3 ; The emission standard of mercury and its compounds is proposed to be 0.03mg / m 3 . Thermal power plants need to provide...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D46/02B01D53/12
CPCY02A50/2351
Inventor 郝晓文杨建国赵一娥
Owner HARBIN INST OF TECH AT WEIHAI
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