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Method for reducing suspension particles in air by using humidification water condensation, and apparatus thereof

A suspended particle and air suspension technology, which is applied in separation methods, chemical instruments and methods, and dispersed particle separation, can solve the problems of obvious differences in the removal effect of suspended particles, inability to ensure uniform contact, and excessive mechanical energy consumption, etc., to achieve The droplet size is small, the removal efficiency is high, and the effect of improving the utilization rate

Active Publication Date: 2015-09-16
SOUTHEAST UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The former will consume too much water, and the latter will consume too much mechanical work.
In addition, due to the convergence of the spray, it is impossible to guarantee the uniform contact between the water droplets sprayed into the air and the air, and the removal effect of suspended particles in different positions is significantly different, which hinders the realization of the best removal efficiency.
Since the small water droplets produced by spraying will form new suspended particles, if the mineral content in the spray water source is too much, the suspended water droplets with high concentration of mineral content will cause new problems of exacerbating the air pollution of suspended particles

Method used

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  • Method for reducing suspension particles in air by using humidification water condensation, and apparatus thereof
  • Method for reducing suspension particles in air by using humidification water condensation, and apparatus thereof
  • Method for reducing suspension particles in air by using humidification water condensation, and apparatus thereof

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Embodiment Construction

[0041] The present invention will be further described below in conjunction with the accompanying drawings.

[0042] Such as figure 1 Shown is a method of reducing airborne particulates by humidifying and condensing water. The polluted air R4 includes uniformly mixed water vapor molecules R1, suspended particulates R2 and clean air R3. The polluted air R4 is cooled by engineering at discrete intervals to stimulate The water vapor molecules R1 in the polluted air R4 take the suspended particles R2 as condensation nuclei to condense into water droplets R5 containing suspended particles R2. The water droplets R5 are divided into small water droplets R51 and large water droplets R52. Water droplet R52, under the action of external force R6, large water droplet R52 is separated from polluted air R4 to form clean air R3; external force R6 includes Brownian motion force R61, inertial force R62, gravity R63, sound force R64 and temperature gradient R65.

[0043] Such as figure 2 Sh...

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Abstract

The invention discloses a method for reducing suspension particles in air by using humidification water condensation, and an apparatus thereof. Polluted air contains uniformly mixed water vapor molecules, suspension particles and clean air, the polluted air undergoes discrete spaced engineering cooling to excite the water vapor molecules in the polluted air condense with the suspension particles as condensation nuclei in order to form suspension particle-containing water droplets, the water droplets comprise small water droplets and large water droplets, the small water droplets growth under the action of outside force to become large water droplets, and the large water droplets are separated from the polluted air under the action of outside force in order to form clean air. The suspension particles and the water vapor molecules are uniformly distributed in the polluted air, so the quantity of the liquid drops formed after liquefaction of the water vapor molecules is large, the specific surface area is large, the dimensions of initial liquid droplets are small enough, the liquid droplets are uniformly distributed, and the suspension particle removal efficiency is very high.

Description

technical field [0001] The invention relates to a method and device for reducing airborne particulates, especially for suspended particulates (such as PM2.5) in indoor air, and in particular to a technology for reducing airborne particulates by humidifying condensed water. Background technique [0002] Suspended particulate matter PM (such as PM2.5, PM10) has become the main cause of air pollution and directly endangers indoor air quality. It is urgent to invent new efficient indoor suspended particulate matter removal technology. Using a filter to filter suspended particles in the indoor air is one of the main methods for removing suspended particles in the current air cleaning system. During the long-term use of the filter screen, the filter screen will accumulate suspended particles filtered from the air, and the filter screen needs to be replaced or cleaned regularly. If the environment is humid for a long time, the filter screen will breed bacteria and bring new indoor ...

Claims

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Application Information

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IPC IPC(8): B01D51/08B01D51/10B01D45/02B01D45/04
Inventor 黄亚继乔正辉董卫程梅
Owner SOUTHEAST UNIV
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