The smoke hood of Ji'nan consists of two parts: the cover body and the cover。 The cover consists of three planes。 The cover consists of four planes (or baffles) of the front, back, left and right。
1, exhaust axial fan before used more, but because the total pressure is small, after the installation of lampblack purifier rarely used。
2, fire smoke exhaust box fan, medium pressure, air volume can be adjusted, and the noise is low, often in the smoke hood from the smoke exhaust from the middle of the kitchen smoke exhaust system selection
3, fire smoke exhaust centrifugal fan total pressure and air volume can be adjusted, but because of the noise is large, often need to do noise reduction. When the kitchen is located in the bottom of the building when the exhaust machine should be placed on a roof, one can reduce indoor noise pollution at the same time, the exhaust duct in the vacuum state, can avoid odor overflow. When the fan is installed on the roof, the centrifugal fan is generally selected.
4, according to the environmental conditions to strengthen the ventilation ventilation facilities, the kitchen gas work are exhaust hood, ventilation hood is relatively large, gas when the smoke hood in the smoke, can not consider the problem of kitchen ventilation。 Only pay attention to the pipeline closed, to prevent non work time poisoning。
5, local ventilation: for the storage of liquefied gas or gas household, the main control equipment of gas warehouse, do a good firewall, closed the gas leakage space, and set up the ventilation and ventilation facilities, regular ventilation, or personnel into the people to open the ventilation.
The lower end of the cone are connected with the cover body, and the upper end is connected with a fume extractor, a movable baffle opening in the cover body or any cover near the window side, a front baffle with a gap of beautiful and delicate, lampblack thoroughly, and no environmental pollution, is conducive to human health, has the advantages of simple structure, low cost。
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