Smoke plume bleaching system and process

A technology for whitening and plume removal, which is applied to chemical instruments and methods, use of liquid separation agents, and separation of dispersed particles. It can solve problems such as increased investment and large heat exchange area of ​​heat exchangers, and achieves low investment, saving investment, and The effect of ensuring stability

Pending Publication Date: 2018-10-23
JIANGSU KEHANG ENVIRONMENT ENG TECH
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  • Abstract
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  • Application Information

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Problems solved by technology

However, in order to ensure the operation effect of the device in summer in this way of flue gas condensation, the heat exchange area of ​​the heat exchanger is often large, which increases the investment

Method used

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  • Smoke plume bleaching system and process
  • Smoke plume bleaching system and process

Examples

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention.

[0024] Such as figure 1 and figure 2 As shown, a system for de-whitening the plume includes a desulfurization tower 2, the side and top of the desulfurization tower 2 are respectively provided with a smoke inlet 21 and a smoke outlet 22, and the inner cavity of the desulfurization tower 2 is provided with a sulfur dioxide absorption system 1. The inner cavity of the desulfurization tower 2 is also equipped with a water washing and purification system 3. The outside of the desulfurization tower 2 is equipped with a purification and return system 4. The water washing and purification system 3 is connected to the purification and return system 4. The water washing and purification s...

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Abstract

The invention discloses a smoke plume bleaching system and process. The system comprises a desulfurizing tower, a smoke inlet and a smoke outlet are formed in one side and the top of the desulfurizingtower, a sulfur dioxide absorption system is arranged in an inner cavity of the desulfurizing tower, a water scrubbing purification system is further arranged in the inner cavity of the desulfurizingtower, a purification reflux system is arranged outside the desulfurizing tower, the water scrubbing purification system is connected with the purification reflux system, a demisting cooling system is arranged on the water scrubbing purification system in the inner cavity of the desulfurizing tower or at the smoke outlet of the desulfurizing tower, smoke enters the desulfurizing tower and is desulfurized by the sulfur dioxide absorption system, the desulfurized smoke sequentially passes the water scrubbing purification system, a smoke cooling heat exchanger and an efficient demister and is bleached, dust and other particulate matters in the smoke are effectively removed, and smoke bleaching effects are achieved. Compared with other smoke plume bleaching systems, the system is lower in investment and more stable in operation.

Description

technical field [0001] The invention relates to the technical field of flue gas dedusting, in particular to a system and process for removing whitening of plume. Background technique [0002] As the national environmental protection management requirements become more and more stringent, many places have successively issued requirements for the removal of smoke plume. In order to meet the requirements of flue gas emission, various companies and institutions have launched various solutions for plume whitening. Among them, there are two representative routes: direct heating of clean flue gas and heating of flue gas after condensation first. The flue gas is first condensed and then heated, because the moisture in the flue gas can play a role in dust removal during the condensation process, and can recover a large amount of water resources, so it becomes the most reasonable process route. [0003] There are two methods of flue gas condensation: one is to use the water washing ...

Claims

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Application Information

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IPC IPC(8): B01D53/14B01D53/26B01D53/00B01D47/06
CPCB01D47/06B01D53/002B01D53/1481B01D53/265
Inventor 刘怀平颜童张士凯叶昊周自阳
Owner JIANGSU KEHANG ENVIRONMENT ENG TECH
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