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Device for preventing oil smoke of common flue from refluxing

A public flue and backflow device technology, applied in the direction of oil fume removal, household heating, lighting and heating equipment, etc., can solve the problems of oil fume backflow, etc., and achieve the effect of low cost, easy to obtain materials, and obvious functions

Inactive Publication Date: 2011-01-05
宣伯民
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen that the oil fume exhaust system using the public flue used in the current high-rise apartment has the deficiency of oil fume backflow

Method used

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  • Device for preventing oil smoke of common flue from refluxing
  • Device for preventing oil smoke of common flue from refluxing
  • Device for preventing oil smoke of common flue from refluxing

Examples

Experimental program
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Embodiment Construction

[0012] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0013] figure 1 According to the first embodiment of the present invention, oil fume enters the water sealer 3 from the air inlet 4 through the exhaust pipe 1 of the range hood, and is discharged into the public flue 2 through the air outlet 5 through the water seal water layer. Since the water layer of the water seal is very thin and the oily fume has a surplus pressure head, it will not affect the discharge of the oily fume. And the lampblack gas in the public flue 2 wants to flow back when the range hood exhaust pipe 1 is not exhausted, because the pressure head of the backflow gas is extremely small. It only has the ability of flowing and leaking, and it cannot pass through the water seal water layer at all, so the possibility that the oil fume in the public smoke duct 2 flows back into the room through the water seal device 3 is ruled out...

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PUM

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Abstract

The invention discloses a device for preventing oil smoke of common flue from refluxing, which belongs to the technical field of delivering smoke gas of an oil smoke cleaner and aims to overcome the defect of oil smoke refluxing existing in an oil smoke removing system of a common flue used in a traditional high-rise apartment. The device comprises an exhaust pipe of the oil smoke cleaner and the common flue, and is provided with a water seal device which is provided with a gas inlet and a gas outlet; the exhaust pipe of the oil smoke cleaner is communicated with the gas inlet; and the gas outlet is communicated with the common flue. The device can thoroughly solve the problem of oil smoke refluxing, and does not need extra power. The device has the advantages of simple structure, easy acquirement of materials, low construction cost and durability, and is suitable for various oil smoke cleaners.

Description

technical field [0001] The invention relates to a smoke conveying technology of a range hood, in particular to a device for preventing the backflow of oil fume in a public flue. Background technique [0002] In a country with a large population like ours, in order to save residential land and improve the effective utilization of residential space, there are more and more high-rise apartments. In the design of high-rise apartments, in order to make the appearance of the building neat and beautiful and the internal passages tidy, there are generally vertical public flue exhaust ducts, which are provided for each household's range hoods, ventilation fans or other exhaust fumes. It is used for exhaust fumes from equipment. Because of these range hoods (hereinafter collectively referred to as range hoods), generally only a windproof valve plate with no active closing force is installed at the outlet of the exhaust pipe. It is acceptable, but the effect of blocking backflow oil ...

Claims

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Application Information

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IPC IPC(8): F24C15/20
Inventor 宣伯民
Owner 宣伯民