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Desulfurization boiler flue gas purification apparatus

A technology for purifying device and boiler flue gas, which is applied to combined devices, gas treatment, chemical instruments and methods, etc., can solve the problems of inability to eliminate white smoke from desulfurization waste gas, long renovation construction period and high operating cost, and achieve good dust removal. Demisting effect, low moisture content, high desulfurization effect

Pending Publication Date: 2019-04-02
BEIJING LANGCLEAN ENVIRONMENT
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Problems solved by technology

[0002] At present, there are many domestic flue gas or industrial tail gas pollution control technologies, among which are relatively mature: limestone-gypsum method, ammonia method, double alkali method and other wet desulfurization technologies; with the gradual improvement of environmental protection requirements, for the current ultra-clean Emission requirements, SO 2 Emission up to 35mg / Nm 3 , the dust reaches 5mg / Nm 3 , the conventional wet desulfurization technology generally adopts double absorption towers connected in series or a single-stage absorption tower to increase the spray layer. Take an appropriate desulfurization measure; due to the large amount of moisture in the flue gas after desulfurization, there will be white smoke when it is discharged from the chimney, and the existing technology cannot better eliminate the white smoke in the desulfurization exhaust gas

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  • Desulfurization boiler flue gas purification apparatus
  • Desulfurization boiler flue gas purification apparatus
  • Desulfurization boiler flue gas purification apparatus

Examples

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Embodiment Construction

[0049] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.

[0050] Such as Figure 1 to Figure 3 As shown, a desulfurization boiler flue gas purification device in this embodiment includes: a desulfurization tower 1, a first liquid chamber 5 is arranged at the lower part of the chamber of the desulfurization tower 1, and a first spray pipe is arranged inside the desulfurization tower 1 3. The first spray pipe 3 is located directly above the first liquid chamber 5 and communicates with the first liquid chamber 5 through a pipe, and also includes: a flue gas purification tower 10, the flue gas purification tower 10 passes through the pipe and the flue gas from the desulfurization tower 1 The gas outlet is connected, and the flue gas purification tower 10 is sequentially provid...

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Abstract

The invention relates to a desulfurization boiler flue gas purification apparatus including: a desulfurization column; wherein a first liquid chamber is arranged on the lower part of a chamber of thedesulfurization column; a first spray pipe is arranged in the desulfurization column and is located right above the first liquid chamber and communicated with the first liquid chamber via a pipeline.The apparatus also includes: a flue gas cleaning column, which is communicated with the flue gas outlet of the desulfurization column through a pipeline, a condenser and a heater being successively arranged, in the flowing direction of flue gas, in the flue gas cleaning column. The apparatus has high desulfurization effect, is high in flue gas flowing speed and has great dust and fog removal effect. When the flue gas, treated by the apparatus, is discharged to atmosphere, the flue gas is low in moisture, is high in cleanness and is free of white smoke plume.

Description

technical field [0001] The invention relates to the field of desulfurization flue gas treatment, in particular to a desulfurization boiler flue gas purification device. Background technique [0002] At present, there are many domestic flue gas or industrial tail gas pollution control technologies, among which are relatively mature: limestone-gypsum method, ammonia method, double alkali method and other wet desulfurization technologies; with the gradual improvement of environmental protection requirements, for the current ultra-clean Emission requirements, SO 2 Emission up to 35mg / Nm 3 , the dust reaches 5mg / Nm 3 , the conventional wet desulfurization technology generally adopts double absorption towers connected in series or a single-stage absorption tower to increase the spray layer. A suitable desulfurization measure is given; for the flue gas after desulfurization, there is a large amount of moisture in the flue gas, and there is white smoke when it is discharged from ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/78B01D53/50B01D50/00
CPCB01D53/50B01D53/78B01D2258/0283B01D50/40
Inventor 陈清文
Owner BEIJING LANGCLEAN ENVIRONMENT
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