油煙管道的清洗包括煙罩表面、煙罩內的燈罩、排風口、排煙口以及電機、灶臺表面。煙道清洗的是排煙口與煙罩相連處并和煙罩同步平行的排煙道。對平行煙道內部進行徹底清潔。

The cleaning of the oil fume pipeline includes the surface of the hood, the lampshade inside the hood, the exhaust outlet, the smoke exhaust outlet, as well as the surface of the motor and stove. The focus of flue cleaning is on the smoke exhaust duct at the connection between the smoke exhaust port and the smoke hood, which is synchronized and parallel to the smoke hood. Thoroughly clean the interior of the parallel flue.

排煙罩一般用火堿清洗附著在排煙罩表面的油泥。具體的清洗步驟如下：

Smoke exhaust hoods are generally cleaned with caustic soda to remove the oil sludge adhering to the surface of the hood. The specific cleaning steps are as follows:

1、把擋水板拆下，脫水扇拆下;

1. Remove the water baffle and the dewatering fan;

2、把較厚的油泥用鏟子鏟掉 主管道是油泥存在的主要地方，必須清洗鏟干凈;

2. Using a shovel to remove thicker sludge from the main pipeline is the main place where sludge exists and must be cleaned and shoveled clean;

3、清洗管道拐彎位置，例如彎頭、三通，必要時在彎頭上方開口;

3. Clean the bend position of the pipeline, such as elbows and tees, and if necessary, open an opening above the elbow;

4、把擋水板運水扇放在火堿水里泡，來分解上面的油泥，泡完后用高壓水槍清水洗凈。

4. Soak the water baffle fan in caustic soda water to decompose the oil sludge on it. After soaking, rinse with high-pressure water gun and clean water.

5、用火堿水沖洗排煙罩表面，用清水洗凈即可。

5. Rinse the surface of the smoke exhaust hood with caustic soda water and rinse with clean water.

采用的主要方法是人員進入煙道內部進行清潔。對于排煙口窄小，人工無法進入煙道或由于煙道走身狹窄、人工觸及不到無法進行清潔，但又存在著重大隱患的，可利用特殊設備進行清潔，不留死角，一切潛在的火災隱患

The main method used is for professionals to enter the interior of the flue for cleaning. For smoke exhaust outlets that are narrow and cannot be manually entered or cleaned due to narrow passages that cannot be touched by humans, but there are significant hazards, special equipment can be used for cleaning without leaving any blind spots and eliminating all potential fire hazards

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