A plate type mist eliminator for improving the mist removal efficiency of small particle size droplets
A technology of small particle size and mist eliminator, which is applied to the separation of dispersed particles, chemical instruments and methods, separation methods, etc., and can solve the problems of sharp drop in demisting efficiency and low demisting efficiency of fine mist droplets
Inactive Publication Date: 2016-01-27
SOUTHEAST UNIV
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Problems solved by technology
This defogging method has a high defogging efficiency (close to 90%) for large particle diameter (such as d>30μm) droplets, but the efficiency of fine fog droplets drops sharply, such as for droplets with a diameter of 20μm. Fog efficiency less than 40%
Method used
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[0015] The technical solution of the present invention will be described in further detail below in conjunction with the accompanying drawings.
[0016] Such as Figure 1 to Figure 3 As shown, a plate type mist eliminator for improving the demisting efficiency of small particle size droplets of the present invention includes a housing 10, and two upper demister units 1 and lower demist units 2 located in the housing 10 Demisting unit. A gas outlet is provided at the top of the housing 10 , and a gas inlet is provided at the bottom of the housing 10 . Each demister unit includes a first partition 3 and a second partition 5 parallel to each other. The first partitions 3 and the second partitions 5 are alternately arranged. The first partition 3 is provided with a first notch 7 and a first deflector 4 . The top end of the first deflector 4 is fixedly connected with the top end of the first notch 7 . The second partition 5 is provided with a second notch 8 and a second deflec...
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The invention discloses a plate-type mist eliminator for improving the demisting efficiency of small particle diameter droplets, which includes a housing, and an upper demister unit and a lower demister unit located in the housing; each demister unit includes a first The partition board and the second partition board, the first partition board and the second partition board are arranged alternately, the first partition board is provided with the first gap and the first deflector plate, and the second partition board is provided with the second gap and the second partition board. The deflector, the first notch and the second notch are misplaced; the first deflector is folded to the left side of the first partition, and the second deflector is folded to the right of the second deflector; the upper defogging unit The bottom of the first partition is fixedly connected to the top of the second partition in the lower demisting unit, the bottom of the second partition in the upper demisting unit is connected to the top of the first partition in the lower demisting unit Fixedly connected, the upper and lower demisting units form an airflow channel connected up and down. The plate-type demister improves the demisting effect of small-size fog droplets.
Description
technical field [0001] The invention relates to a mist removal device, in particular to a plate type mist eliminator for improving the mist removal efficiency of small particle size mist droplets, which can realize the separation of mist droplets and gases. Background technique [0002] In the fields of energy, environmental protection, chemical industry, pharmaceuticals, food processing, etc., there are occasions where a large number of airflows contain fog droplets and need to be removed from the airflow. This process is called demisting. For example, in the wet desulfurization process of a thermal power station, the gypsum slurry sprayed downward from the top of the tower and the sulfur-containing flue gas from the bottom of the tower form a reverse convection in the desulfurization tower, so that the flue gas is mixed with a large number of mist droplets during the desulfurization process, which must be demisted. Only after removing the fog droplets in the flue gas can t...
Claims
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IPC IPC(8): B01D45/08B01D45/12
CPCB01D45/08B01D45/12
Inventor 袁竹林官蕾
Owner SOUTHEAST UNIV