Process for high-temperature flue gas purification, white smoke elimination and waste heat recovery

A high-temperature flue gas and flue gas purification technology, applied in the field of flue gas or waste gas treatment, can solve problems such as energy waste, deterioration of ecological environment, air pollution, etc. Effect

Inactive Publication Date: 2020-11-17
常州康德净化节能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, a large amount of heat in the flue gas is directly discharged into the atmosphere without recycling, which not only causes a lot of energy waste, but also aggravates the greenhouse effect of the atmosphere and deteriorates the ecological environment.
When

Method used

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  • Process for high-temperature flue gas purification, white smoke elimination and waste heat recovery
  • Process for high-temperature flue gas purification, white smoke elimination and waste heat recovery
  • Process for high-temperature flue gas purification, white smoke elimination and waste heat recovery

Examples

Experimental program
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Effect test

Embodiment

[0047] Example: Flue gas purification and white heat recovery integrated machine 1 includes heat recovery and dehumidification treatment:

[0048] The heat recovery work of flue gas purification and white heat recovery integrated machine 1 includes the following principles:

[0049] Flue gas sensible heat recovery device: high-temperature flue gas passes through the high-temperature side, water passes through the low-temperature side, and heat exchange is performed between them through professional stainless steel titanium plates;

[0050] Spray total heat recovery device: Water droplets are atomized through professional nozzles, and the atomized water droplets perform heat and moisture exchange with the flue gas in the water spraying chamber. The flue gas transfers a large amount of sensible heat and latent heat of vaporization to the circulating water, and the external cold source passes through Plate heat exchanger to recover heat from circulating water;

[0051] 1. The te...

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PUM

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Abstract

The invention relates to the technical field of flue gas or waste gas treatment, in particular to a process for high-temperature flue gas purification, white smoke elimination and waste heat recovery.The process comprises a flue gas purification, white smoke elimination and heat recovery all-in-one machine. The all-in-one machine comprises a total heat recovery device, a high-temperature sensibleheat recovery device, a salt solution moisture absorption device and a reheating air supply device. The total heat recovery device comprises a high-temperature total heat recovery device, a medium-temperature total heat recovery device and a low-temperature total heat recovery device. The high-temperature total heat recovery device comprises an ash-water separation device and a high-temperature heat recovery plate heat exchanger A. The ash-water separation device comprises a full-automatic rotary cage type filter unit and a filter press. The salt solution moisture absorption device is provided with a solution regeneration device. The purification and white smoke elimination effects on high-temperature dusty smoke (or high-temperature industrial waste gas) are well achieved through a whitesmoke elimination unit, the ideal environment-friendly effect is achieved, meanwhile, waste heat in the smoke is recycled to the maximum degree, and economic benefits and social benefits are improved.

Description

technical field [0001] The invention relates to the technical field of flue gas or waste gas treatment, in particular to a high-temperature flue gas purification and whitening waste heat recovery process. Background technique [0002] High-temperature flue gas (or industrial waste gas) contains various complex solid and gas pollutants. At present, the high-temperature flue gas (or industrial waste gas) of many boilers is directly discharged into the atmosphere without any treatment, causing serious environmental pollution. , especially excessive nitrogen oxides can also lead to severe smog. In addition, a large amount of heat in the flue gas is directly discharged into the atmosphere without recycling, which not only causes a lot of energy waste, but also aggravates the greenhouse effect of the atmosphere and deteriorates the ecological environment. When the atmospheric temperature is low, the water vapor in the exhausted flue gas (or industrial waste gas) is easily condens...

Claims

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Application Information

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IPC IPC(8): B01D53/26F27D17/00
CPCB01D53/265B01D53/263F27D17/004B01D2258/0283Y02P10/25
Inventor 周靖江
Owner 常州康德净化节能科技有限公司
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