Efficient heat-transfer purifying device for corrosive flue gas and processing method thereof

A flue gas and heat removal technology, which is applied in gas treatment, separation methods, indirect heat exchangers, etc., can solve the problems of not effectively controlling NOx emissions, achieve low cost of use, and improve the efficiency of whitening removal

Pending Publication Date: 2017-12-22
ZHEJIANG HUANXING MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The main reason is that my country has not effectively controlled NOx emissions while controlling SO2 emissions.

Method used

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  • Efficient heat-transfer purifying device for corrosive flue gas and processing method thereof
  • Efficient heat-transfer purifying device for corrosive flue gas and processing method thereof
  • Efficient heat-transfer purifying device for corrosive flue gas and processing method thereof

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Embodiment

[0033] Example: such as figure 1 , figure 2 , image 3 , Figure 4 and Figure 5 As shown, a high-efficiency heat exchange dewhitening device for corrosive flue gas includes a spray tower body 1, and the spray tower body 1 is provided with a tubular heat exchange core assembly 2, and the spray tower body 1 A smoke outlet 3 is provided above the body 1, a spray assembly 4 is provided below the tube-and-tube heat exchange core assembly 2, and a smoke inlet 3 is provided below the spray tower body 1. The outer wall of the spray tower body 1 is provided with an ambient air inlet duct 6 connected to the upper end of the tubular heat exchange core assembly 2, and the outer wall of the spray tower body 1 is provided with an ambient air outlet duct 7. One end of the air duct 7 communicates with the bottom end of the tube-and-tube heat exchange core assembly 2, and the other end of the ambient air outlet duct 7 communicates with the tube-and-tube heat exchange core assembly 2. Co...

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Abstract

The invention relates to a heat-transfer purifying device and especially relates to an efficient heat-transfer purifying device for corrosive flue gas and a processing method thereof. The efficient heat-transfer purifying device comprises a spray tower, wherein a tubular heat transfer core component is arranged in the spray tower; a flue gas outlet is formed above the spray tower; a spraying component is arranged under the tubular heat transfer core component; a flue gas inlet is formed under the spray tower; an ambient air inlet pipe which is connected with the upper end of the tubular heat transfer core component is arranged on an outer wall of the spray tower; an air pipe is arranged on the outer wall of the spray tower; one end of an ambient air outlet pipe is connected with the bottom end of the tubular heat transfer core component; the other end of the ambient air outlet pipe is connected with the part above the tubular heat transfer core component. The efficient heat-transfer purifying device for the corrosive flue gas and the processing method thereof can further increase the purifying efficiency and are in lower use cost.

Description

technical field [0001] The invention relates to a heat exchange dewhitening device, in particular to a high-efficiency heat exchange dewhitening device for corrosive flue gas and a processing method thereof. Background technique [0002] Nitrogen oxides include N2O, NO, NO2, N2O3, N2O4, N2O5, etc. They are collectively called nitrogen oxides, often expressed as NOx. Among them, NO and NO2 are the main pollutants that pollute the atmosphere. Naturally formed NOx comes from the decomposition of nitrogen-containing organic matter by bacteria, lightning, volcanic eruptions, forest fires, etc., and it is about 500 million tons per year. The NOx produced by human activities is about 50 million tons per year, which is 1 / 10 of the former. However, due to the high concentration of NOx emitted by human beings and the concentrated emission, the harm caused is relatively large. More than 90% of NOx emitted by human activities comes from the fuel combustion process. For example, when ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D53/18B01D53/14B01D53/00B01D47/06F28D7/16
CPCB01D47/06B01D53/002B01D53/1456B01D53/18B01D53/185F28D7/16B01D2258/0283B01D2257/80
Inventor 俞其林潘小成裘华刚潘英杰
Owner ZHEJIANG HUANXING MACHINERY
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