Kitchen lampblack discharge system

Abstract

The invention provides a kitchen lampblack discharge system which has good effect and is convenient to maintain. The kitchen lampblack discharge system comprises a range hood, a check valve, a smoke discharge pipe and a public flue, wherein the smoke discharge pipe is directly and hermetically connected with the public flue, the check valve comprises a vertical pipe which is internally provided with a circular valve plate, the valve plate is rotatably supported on the pipe wall of the vertical pipe by virtue of a transverse shaft which radially penetrates through the valve plate, and the pipe wall of the vertical pipe is provided with a blocking point; when the valve plate is in a horizontal state, the edge of the valve plate is depressed on the blocking point, a weight gain plate is fixed on the valve plate which is located above the blocking point and is close to the blocking point, the upper end and lower end of the vertical pipe are respectively sleeved on the lower end of the smoke discharge pipe and the air outlet of the range hood. In the invention, the check valve is additionally arranged between the air outlet of the range hood and the smoke discharge pipe, and the check valve is connected with the air outlet of the range hood and the smoke discharge pipe in a dismountable way, so as to be convenient to dismount and clean.

Description

technical field [0001] The invention relates to a kitchen fume discharge system. Background technique [0002] There are more than 300 kinds of harmful substances in the kitchen fume. The function of the kitchen fume exhaust system is to discharge the kitchen fume. There are roughly two ways to discharge the kitchen fume. One is directly discharged into the outdoor atmosphere; the other is discharged into the building. in public chimneys. The following introduces the structure and principle of the existing kitchen fume discharge system discharged to the public flue: the kitchen fume discharge system includes a range hood connected in sequence, a smoke exhaust pipe and a public flue. The range hood sucks the cooking fumes from the kitchen into the public flue. But because many people share the same flue, the waste gas that causes other users to discharge to the flue can enter the kitchen through the smoke exhaust pipe, causing pollution. At present, the main method to so...

AI Technical Summary

Problems solved by technology

However, the check valve has the following disadvantages: 1. After being used for a period of time, the valve plate is prone to oily smoke adhesion, resulting in poor opening and closing of the check valve, which affects the exhaust effect; 2. Because it is fixed on the exhaust pipe and the public smoke The junction of the road is not easy to disassemble and clean

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