The kitchen is an important place in the family now, and the kitchen smoke exhaust pipe is now used as the passage to remove the kitchen smoke, so the daily maintenance is very important. Now let's learn how to maintain the smoke exhaust pipe in the daily use process with Dalong.
When cleaning the oil smoke pipe, the cleaning of the hood and the stove is also indispensable. Before cleaning the oil smoke pipe, we should clean the surface of the hood, the air outlet, the lampshade, the smoke outlet, the motor, and the stove inside the hood. At the same time, the focus of cleaning is the smoke exhaust duct that is synchronous and parallel with the hood at the connection between the smoke outlet and the hood. The cleaning of these parts can not only make the flue pipe play its role better after cleaning, but also make the whole kitchen more clean and tidy.
For the cleaning of the smoke exhaust hood of the smoke exhaust system, a large amount of oil dirt in the flue shall be removed by using an oil reducing agent, and then sprayed with an oil reducing agent by a high-pressure washer, and then washed with clean water. After a long time of use, the fan blades on the fan will form very thick oil dirt, which will also affect the air exhaust effect of the fan. Before cleaning, the fan shall be removed, and the internal impeller, inner wall and surface shall be cleaned. After washing and before assembly, it is recommended to add lubricating oil to the fan to make it more flexible. The oil fume purifier will also be affected by the ventilation effect of the kitchen ventilation and smoke exhaust system. After a long time of use, there will be a lot of oil contamination on the internal electrode plate and filter screen, and the purification effect will become worse. It is recommended to soak and clean with detergent first.
We all know that the smoke exhaust system is related to the circuit. It is easy to get water in the process of cleaning, which affects the burning of the circuit in later use. It is recommended that the relevant personnel in charge of cleaning should be clear about this, and those who can be removed should be removed as much as possible. In addition to large-scale cleaning for a long time, the lampblack system should also be maintained frequently. For example, when some cleaning companies maintain the pipeline, the protective film formed can also prevent oil stains from leaving the pipeline.
Standard of kitchen smoke exhaust pipe:
1. The horizontal section of the kitchen smoke exhaust pipe should not be too long, usually the horizontal distance should not exceed 15m, and should have a slope of more than 2%. The horizontal end should be equipped with a movable joint to facilitate the cleaning of oil dirt.
2. The exhaust speed of the kitchen smoke exhaust pipe shall not be less than 10m/s according to the specification to prevent oil from adhering to the flue due to low wind speed. The branch pipe connected to the exhaust hood shall be equipped with an air volume regulating valve.
3. The ventilation area of the main smoke exhaust pipe of the kitchen smoke exhaust system shall not be too small, and the wind speed shall not be too large. According to the engineering experience, the wind speed in the main smoke exhaust pipe shall not exceed 15m/s. Otherwise, after a period of operation (such as one year), it is easy to cause the smoke exhaust system to be blocked.
What are the requirements for smoke exhaust pipe structure
① The distance between the external surface of smoke exhaust duct and combustible components such as wood shall not be less than 15cm, or the external surface of smoke exhaust duct shall be insulated with insulation materials with a thickness of not less than 10cm.
② When the smoke exhaust duct passes through the smoke retaining wall, the space between the duct and the smoke retaining partition wall shall be tightly filled with non combustible materials such as cement mortar.
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