White smoke removing system and technology capable of accurately controlling corrosion

A precise control, white smoke technology, applied in fixed tubular conduit components, tubular components, lighting and heating equipment, etc., can solve the problems of high energy consumption and corrosion in the white smoke treatment process, avoid gypsum rain phenomenon, and avoid clogging problems , The effect of reducing acid dew point corrosion

Pending Publication Date: 2018-09-04
南京宜热纵联节能科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] In summary, in the prior art, most of the white smoke treatment...

Method used

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  • White smoke removing system and technology capable of accurately controlling corrosion
  • White smoke removing system and technology capable of accurately controlling corrosion

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Embodiment Construction

[0031] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0032] Such as figure 1 As shown, a white smoke removal system with precise corrosion control, in this system, the desulfurization raw flue gas 1 is connected to the hot side inlet of the gradient fin temperature-controlled heat exchanger 2 through the raw flue gas pipeline, and the gradient fin temperature control After passing through the desulfurization tower, the hot side outlet of the heat exchanger 2 is connected to the flue gas inlet of the high-efficiency combined double-swirl scrubber 3, and the flue gas outlet of the combined double-swirl scrubber 3 is connected to the gradient fin temperature-controlled heat exchanger 2 The inlet of the cold side is connected through the clean flue gas pipeline, and there is a wire mesh demister 4 in the middle, and the outlet of the gradient fin temperature-controlled heat exchanger 2 is connected...

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Abstract

The invention discloses a white smoke removing system and a technology capable of accurately controlling corrosion. The system comprises a gradient fin temperature control type heat exchanger, a cooling washer, a sewage treating device and a defogger, wherein the gradient fin temperature control type heat exchanger can continuously enhance heat transfer on the high-temperature untreated gas side in a cooling process through pipe bundle distribution and an external-pipe fin height step type design to control a wall surface temperature to be larger than an acid dew point. Therefore, an anticorrosion design can be achieved through lower material cost; meanwhile, spraying is utilized to enhance condensation and dehumidification, and thermal energy of untreated gas is recycled to heat clean flue gas; by means of the two measures, an absolution moisture content and a relative moisture content are both remarkably reduced, and the white smoke phenomenon can be completely removed without an extra heat source and under low water consumption.

Description

technical field [0001] The invention belongs to the field of energy saving and environmental protection, and relates to a white smoke removal system and process for precisely controlling corrosion, and is especially suitable for the treatment process of white smoke plume in a chimney of a desulfurization system. Background technique [0002] With the continuous development and progress of my country's economy, the demand for energy is increasing day by day. Among them, coal and oil are the most important combustion energy in my country. Although they meet the needs of economic development, they have caused major environmental pollution, especially sulfur dioxide pollution. Most of the gas purification and treatment technologies adopt the limestone-gypsum wet desulfurization process. The clean flue gas with saturated water at the outlet of the absorption tower is partially condensed to form liquid droplets during the discharge process from the chimney, and the moisture in the f...

Claims

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Application Information

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IPC IPC(8): B01D53/00B01D53/18F23J15/06F28F1/12F28D7/00
CPCB01D53/002B01D53/1456B01D53/1481B01D53/18F23J15/06F28D7/00F28F1/12Y02E20/30
Inventor 张锦涛钱荣忠陆启杨西陈锐杰
Owner 南京宜热纵联节能科技有限公司
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