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Entrainment internally-circulating cooker hood with air curtain

A range hood and internal circulation technology, which is applied in the direction of oil fume removal, heating method, household heating, etc., can solve the problem that the smoke exhaust pipe is difficult to use

Active Publication Date: 2007-04-04
深圳市山水乐环保科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But if it is still necessary to exhaust smoke to the outside, vertical smoke exhaust pipes are difficult to apply in modern multi-storey houses

Method used

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  • Entrainment internally-circulating cooker hood with air curtain
  • Entrainment internally-circulating cooker hood with air curtain

Examples

Experimental program
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Embodiment Construction

[0011] In the embodiment shown in Fig. 1 and Fig. 2, the bottom plate (15) is a platform for installing various components, and is integrated with the fume collecting hood. The swirling fume extraction device extends from the hyperbolic bell mouth (5) into the parabolic outer cylinder (4) to form a "V"-shaped circulation groove (8) in cross section. The centrifugal fan (7) The exhaust pipe (6) has two outlets, one communicates with the circulation groove (8), and the other connects with the air curtain air supply pipe (11); the middle part of the parabolic outer cylinder (4) is provided with an oil intercepting groove (10); the upright The smoke exhaust pipe (1) is covered with a return sleeve (13), and a filter screen, an adsorption material (2) and a pressure relief valve (3) are arranged in the interlayer of the double-layer sleeve; the upper part of the return sleeve (13) is closed , the lower part is integrated with the bottom plate (15), and the outlet of the exhaust pip...

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Abstract

The invention uses a fan with a cyclone cooking fume entraining means to separate from the cooking fume, so that on the one hand sending air forms an air curtain to isolate air and heat, and on the other hand sending air to a circulation groove makes the airflow rotate to form low-pressure core entrainment of the cooking fume. In the process of removing cooking fume, the centrifugal force produced by the rotary airflow makes the oil stain be separated and be collected in the vertical fume-removing pipeline, and meanwhile the exhausted airflow enters into a return sleeve to remove smoke dust and a peculiar smell through a filter screen and adsorption material and then return to the air inlet of the far for blowing-in again of the fan.

Description

technical field [0001] The invention relates to a pneumatic dust removal device, in particular to an electric range hood for removing oil fume in a household kitchen environment. Background technique [0002] Electric range hoods have entered the ranks of household appliances for half a century, but the fans of existing suction range hoods are blocked in the exhaust pipe, and the efficiency of extracting oil fumes is very low. Manufacturers can only increase the energy consumption of fans to To make up for it, its input power has reached more than 200 watts, making the exhausted air volume and air pressure greatly exceed the requirements of the national standard "GB / T17713-1999 Range Hood". For this reason, we proposed a swirl smoke extraction device and applied for the invention patent "Double Swirl Three-Hole Range Hood" (Application No.: 200510065824.8). The swirl range hood uses the rotating airflow to suck the oil fume, the fan is isolated from the oil fume, and the to...

Claims

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Application Information

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IPC IPC(8): F24C15/20
Inventor 司廷丁德厚
Owner 深圳市山水乐环保科技有限公司
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