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Oil smoke catalytic decomposition treating apparatus for range hoods

A catalytic decomposition and treatment device technology, which is applied in the direction of oil fume removal, separation method, and dispersed particle separation, etc., can solve the problems of heavy cleaning and maintenance workload, low particle removal rate, and high viscosity of particles in oil fume, and achieve compact structure and easy operation. Low consumption and energy saving, convenient and safe to use

Inactive Publication Date: 2005-09-21
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main advantage is that the equipment is simple and the pressure drop is small. The disadvantage is that the removal rate of small particle size particles is low, and because the particles in the oil fume have a high viscosity, the cleaning and maintenance workload is relatively large.

Method used

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  • Oil smoke catalytic decomposition treating apparatus for range hoods

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The total concentration of soot exhaust gas is about 100mg / L. Exhaust air volume is 1800m 3 / h, install a set of exhaust gas purification treatment device of the present invention, the residence time of oil fume exhaust gas in the purification device is controlled within 3 seconds, and the total concentration of oil fume exhaust gas after treatment is reduced to about 2mg / L.

Embodiment 2

[0023] The total concentration of soot exhaust gas is about 220mg / L. Exhaust air volume is 1200m 3 / h, install a set of exhaust gas purification treatment device, the residence time of oil fume exhaust gas in the purification device is controlled within 3 seconds, and the total concentration of oil fume exhaust gas after treatment is reduced to about 5mg / L.

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PUM

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Abstract

This invention provides a catalytic decomposition equipment of discharging oil smoke of oil smoke machine. Catalytic oxidation reactor is electric heating room and catalytic oxidation room one body vertical structure. It is consisted by catalytic oxidation pipe, electric heating inner pipe, outlet duct, reflow device, electric heating switch and catalyst. Catalytic oxidation pipe is thin wall metal pipe, it is pushed-in air exit as drawer type, electric heating inner pipe close cling to inner wall of catalytic oxidation pipe, oxidation catalyst is filled in electric heating pipe, electric heating switch is set at top part of electric heating inner pipe, reflow device is at front part of electric heating reactor, outlet pipe is at back part of catalytic reactor. The structure is compact, blower fan is used to degas, the power source is used to heat, oil smoke can be high efficiency and low temperature catalytic processed by the heating to gas when cooking. There is no secondary pollution and low consumption and energy saving.

Description

technical field [0001] The invention relates to a catalytic decomposition treatment device for oil fume removal and exhaust, which combines two purification processes of backflow and catalytic combustion, and forms an integral purification treatment device by connecting pipelines and adjusting and controlling equipment, which is used for removing and exhausting oil fume Purify the oil fume from the exhaust outlet of the machine. Background technique [0002] The existing oil fume exhaust gas purification processes include: [0003] 1. Electrostatic degreasing: The oil fume is introduced into a high-voltage electric field, and the particles of the oil fume move to the dust collecting pole under the action of the electric field force, and are deposited and removed from the oil fume. It is characterized by compact equipment, relatively small footprint, high purification efficiency and small pressure drop. However, due to the high viscosity of the oil fume condensate on the du...

Claims

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Application Information

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IPC IPC(8): B01D53/00B01D53/86F24C15/20
Inventor 杨骥贾金平王亚林
Owner SHANGHAI JIAO TONG UNIV
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