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Oily fume purifying device

A technology for oil fume purification and oil fume, which is applied in the fields of oil fume removal, household heating, lighting and heating equipment, etc. It can solve the problems of oil fume pollutant failure, chemical solvent replacement, trouble, etc., and achieves low construction cost and follow-up maintenance cost. The overall structure Simple and reasonable, the effect of solving technology and popularization

Active Publication Date: 2014-12-10
佛山市科思博科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the structure of the equipment used in this method is simplified, it also faces the problems of chemical solvent replacement and wastewater treatment, and it is troublesome to use in practice.
In addition, this technology has a fatal flaw: the normal working temperature of the low-pressure mercury UV lamp used in the ultraviolet photochemical oxidation in this technology is 20-40 degrees. If the ambient temperature is too high, the lamp tube will be overheated, which will lead to a sharp attenuation of the ultraviolet output intensity. , especially for 185nm ray attenuation will be more severe
However, in the actual use of kitchens (especially commercial kitchens such as restaurants and restaurants), the operating temperature of the range hood will inevitably be higher than the normal operating temperature of the low-pressure mercury UV lamp, which will lead to the failure of ultraviolet light to decompose oil fume pollutants and reduce the overall oil fume removal. odor effect

Method used

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  • Oily fume purifying device
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 2

[0046] The difference between this embodiment and Embodiment 1 is that the angle A of the first type of corrugated plate of the multilayer corrugated plate composite of the oil-gas filter layer 40 is -60° to -30°, and the angle A of the second type of corrugated plate is Angle B is 30° to 60°. The included angle of the corrugations of the two corrugated plates ranges from 60° to 120°. When the power of the exhaust fan 90 is constant, if the angle between the corrugations of the two corrugated plates is too large (for example, greater than 120°), the passing speed of the oil fume will be reduced, causing part of the oil fume to leak out (not sucked into the oil fume purification device) , to reduce the effect of indoor oil fume extraction; if the angle between the corrugations of the two corrugated plates is too small, the probability of oil fume contacting the inner surface of the multi-layer corrugated board composite will be reduced, and the oil fume will pass through the oi...

Embodiment 3

[0049] The difference between this embodiment and Embodiment 1 is that the multi-layer corrugated plate composite of the oil and gas filter layer in this embodiment is formed by interlacing and stacking corrugated plates of various (three or more) angles. The various corrugated plates The angles between the corrugations and the airflow direction are not equal. Taking corrugated plates with three angles as an example, the included angle between the corrugated plates of the first type and the airflow direction is -30°, the angle between the corrugated plates of the second type and the airflow direction is 70°, and the corrugated plates of the third type The included angle with the airflow direction is 120°.

Embodiment 4

[0051] The difference between this embodiment and the above-mentioned embodiments is that the range of the specific surface area of ​​the multi-layer corrugated plate laminate of the oil fume filter layer 40 is limited, and its specific surface area is greater than or equal to 120m2 / m3 and less than or equal to 920m2 / m3. If the specific surface area is too large, the liquid oil droplets adsorbed on the multi-layer corrugated board composite will not have time to flow into the grease collection tank or collection pipe, causing the multi-layer corrugated board composite to block and reduce the oil-gas separation effect; if the specific surface area is too large Small, the ability of the multi-layer corrugated board composite to absorb grease will be weak.

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Abstract

The invention relates to air purifying equipment, particularly to an oily fume purifying device, which includes a main casing provided with an oily fume channel, and a suction fan used for providing power to the oily fume channel for sucking and discharging oily fume; and the oily fume channel is provided with an oily fume sucking port and an oily fume discharging port. An oil mist filtration layer used for filtering oil mist in the oily fume, and an odor filtration layer used for filtering odor in the oily fume are sequentially arranged in the gas flowing direction in the oily fume channel; and an oil gas filtration layer used for filtering oil drops in the oily fume is arranged at the oily fume sucking port, and includes a framework and a multilayer corrugated plate overlapping object arranged in the framework and made of a fireproof material. The oily fume purifying device effectively filters oil and odor in the physical manner, avoids various inconveniences caused by chemical deoiling used by the range hoods in the prior art, is provided with a simple and reasonable whole structure, is lower in costs of construction and subsequent maintenance, and can solve difficulties in oily fume treatment technology and popularization in kitchens (specially commercial spaces).

Description

technical field [0001] The invention relates to air purification equipment, in particular to an oil fume purification device. Background technique [0002] With the rapid development of the economy and the continuous improvement of people's living standards, my country's catering industry has developed rapidly. However, the emission of cooking fume in the catering industry has not been effectively controlled. A large amount of untreated cooking fume is discharged outside in an orderly manner through range hoods or exhaust fans. In the atmospheric environment, it has caused great harm to the surrounding environment, thus endangering our lives and health. Moreover, due to the adhesion of substances such as smoke and dust to the range hood and exhaust fan, it is extremely difficult to clean, and it is easy to cause a fire hazard. For this reason, the State Environmental Protection Administration promulgated the "Catering Fume Emission Standard" (GB 18483-2001) in 2000, stipulat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24C15/20
Inventor 谢柳扬
Owner 佛山市科思博科技有限公司