An aerosol capture and separation device and method

A separation device and aerosol technology, which is applied in the field of liquid capture and separation, and gas, can solve the problems of difficulty in the capture and separation of fine particle aerosols, low removal efficiency of liquid droplets or mist droplets, atmospheric environmental pollution, etc., and achieve liquid holding capacity Large, small pressure loss, high separation efficiency

Inactive Publication Date: 2016-05-18
CHINA UNIV OF MINING & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] One of the purposes of the present invention is to overcome the defects of the prior art, aiming at the low demisting efficiency of commonly used folded plate demisters, especially for the extremely low removal efficiency of liquid droplets or mist droplets with a fine particle size (<-5 μm) , provide an aerosol capture and separation device and a method for gas-liquid capture and separation using the device, which effectively solves the problem of difficulty in the capture and separation of fine particle aerosols and the pollution caused by discharge to the atmospheric environment

Method used

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  • An aerosol capture and separation device and method
  • An aerosol capture and separation device and method
  • An aerosol capture and separation device and method

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Embodiment 1

[0055] Figure 14 Shown is a comparison chart of the acid mist treatment effect of the device of the present invention.

[0056] Taking acid mist treatment as an example, hydrochloric acid is commonly used as a pH adjuster in mineral processing plants. When in use, a large amount of acid mist will be generated in the mixing tank. The particle size of the acid mist is 0.1-10 μm. The acid mist discharge is harmful to the health of operators. Corrosion plant equipment.

[0057] The baffle type demister, the cylinder type cyclone demister and the aerosol collection and separation device of the present invention are respectively used for treatment. After treatment, the separation efficiency of the baffle plate type mist eliminator is 50%, the separation efficiency of the cylindrical cyclone type mist eliminator is 75%, and the separation efficiency of the spiral folded plate of the present invention reaches 99%.

[0058] The invention has the characteristics of fast separation sp...

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Abstract

The invention discloses an aerosol collection and separation device, which comprises a separator, an exhaust hood and a liquid collection cone, wherein the separator is a cylinder, and comprises a barrel, a screw shaft, a screw blade, a baffle, an air inlet, liquid collection holes and a lower flange; the exhaust hood comprises a cone and an exhaust outlet; the liquid collection cone comprises an inverted cone, a liquid outlet and an upper flange; the exhaust hood, the separator and the liquid collection cone are connected in a vertical penetration manner; the exhaust hood is connected with the separator in a welding manner; the liquid collection cone is connected with the separator through the upper flange. The invention further provides a method for performing gas-liquid collection and separation by utilizing the aerosol collection and separation device. The device and the method have the characteristics of high separation speed, high separation efficiency, high liquid holdup, low pressure loss, low scaling and blocking rate and firm structure.

Description

technical field [0001] The invention relates to the technical field of gas and liquid capture and separation, in particular to an aerosol capture and separation device and a method for gas and liquid capture and separation using the aerosol capture and separation device. Background technique [0002] Gas-liquid separation technology is an important technology for separating and removing liquid droplets and mist droplets dispersed in air flow in industrial production. In unit operations such as absorption, rectification, desorption, etc., when the gas leaves the plate tower, packed tower or spray tower, it carries a certain number of liquid droplets or mist droplets of different sizes. For example, carbon capture and storage technology is a technology with large-scale carbon dioxide emission reduction potential. Among them, the chemical absorption method of post-combustion carbon capture is through the chemical reaction of flue gas and chemical solvent in the absorption tower...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01D45/08B01D45/02
CPCB01D45/02B01D45/08B01D2258/0225B01D2258/06B01D2259/10
Inventor 李小兵
Owner CHINA UNIV OF MINING & TECH
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