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Entrainment internally-circulating cooker hood with air curtain

An internal circulation and air curtain technology, which is applied in the fields of oil fume removal, heating method, and household heating, etc., can solve the problem of difficult application of smoke exhaust pipes.

Active Publication Date: 2008-10-22
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

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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 smoke collecting hood. The swirling oil fume suction 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 is connected to the circulation groove (8), and the other is connected to the air curtain supply pipe (11); the parabolic outer cylinder (4) is provided with an oil interception groove (10) in the middle; The exhaust pipe (1) is sheathed with a return sleeve (13), a filter screen, adsorbent material (2) and a pressure relief valve (3) are arranged in the interlayer of this double-layer sleeve; the upper part of the return sleeve (13) is closed , The lower part is connected with the bottom plate (15) as a whole, and the outlet of the exhaust pipe (1) and the air inlet (...

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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 the existing range hoods are obstructed in the exhaust pipes, and the efficiency of extracting range hoods is very low. The manufacturers only have to increase the energy consumption of the fans. To compensate, its input power has reached more than 200 watts, making the exhaust air volume and air pressure greatly exceed the requirements of the "GB / T17713-1999 range hood" national standard. For this reason, we proposed a swirling range hood and declared an invention patent "Double swirling three-hole range hood" (application number: 200510065824.8). The whirlpool type range hood uses the rotating airflow to suck the range hood, and the fan is isolated from the range hood. T...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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