How to do the kitchen smoke pouring
1, because the hood comes with the wind check valve and the mouth of the flue to install the sagging closed valve are relying on the wind to open the hood, the valve piece of the self-weight or the installation of the spring to close the structure, in order to ensure that the wind can be blown to open the valve piece of the hood, the weight or the spring force can not be too big, so the valve closure force is smaller, closed not strict. In addition, the valve is susceptible to grease adhesion, grease adhesion after the opening and closing are not in place, the consequences of not in place to open the air is not smooth, the wind attenuation.
2, the vast majority of smokers come with the air check valve in the valve and valve body between a ring slit, when the neighbors open the smokers (sewage), *** with the flue with local pressure increases, dirt near the ring slit from this backflow, the old flue of fumes backflow for this reason is more.
3, the right wind speed through the *** with the flue when the hood interface will produce the right amount of negative pressure, making the kitchen air to the flue flow, so there will be no fumes back. But the wind speed is too high when the negative pressure is too large, too much negative pressure will suck open the valve. After sucking open the valve piece such as grease sticking can not be effectively closed, when the negative pressure disappears the fumes back up.
4, upstairs smoke machine exhaust pressure and air volume will be larger in the main flue to produce wind resistance, so that the downstairs flue local pressure increases, blocking the normal exhaust smoke downstairs. Local pressure increases in the flue after the dirty gas will leak from the sealing effect is not good at the neighbor's non-return valve, which is the reason why the upstairs cooking downstairs backflow.
Kitchen fumes back up and odor solutions
1, reduce the length of the exhaust pipe. Many people will be in order to make the range hood looks less awkward, the exhaust pipe pulled a long time, however, the smoke is easy to accumulate in the exhaust pipe, and finally backed up, so the exhaust pipe is shorter, in favor of reducing this situation.
2, often check the exhaust valve. The stop valve of the range hood is very important, after discharging the fumes, such as the stop valve is not tightly closed fumes can easily back up, so we should always check the stop valve if it is not tightly closed and replace it immediately.
3, try to use a larger hood. Many people think that the wind power of the hood is big enough to eliminate fumes, but in fact, the hood is also a very important part, if the hood is relatively small, the fumes are very easy to float away.
4, cooking time should pay attention to close the door and window. If you don't pay attention to close the doors and windows when cooking, the wind blowing in from outside, the flow of grease and smoke can easily be biased by the wind coming in, thus causing the grease and smoke to pour in.
5, timely cleaning range hood. Many people use the range hood after not timely cleanup will often cause the range hood is very greasy situation, this time these accumulated stains are likely to block the duct
6, choose a large wind power range hood. Many people in the renovation in order to save money, choose a small sharp super hood, and these hoods are often left behind by the future of the fumes back up hidden dangers, high-powered hoods are essential.
7, the range hood for regular maintenance. Good machine is useless if not maintained, regular maintenance of the range hood is conducive to improving the life as well as to maintain the performance.
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