1, extraction capacity: according to the area of the kitchen and the number of stoves to determine the extraction capacity should ensure that the discharge capacity is not less than 1.5 times the sum of the maximum output of all stoves.
2, the discharge port setting: the flue should be as vertical as possible through the roof of each floor, and set up rain cover, the discharge port from the window, door, ventilation ducts and other openings of the distance should meet the requirements.
3, conveying pipes: conveying pipes should be made of high-temperature resistant, fire-resistant, shock-proof materials, the pipe should be set up with a slope and no dead ends, so as to facilitate cleaning and maintenance.
4, fume purification equipment: fume purification and treatment equipment should be set up to meet the emission standards set forth in this standard to ensure that it does not affect the surrounding environment and air quality.
5. Safety measures: the control circuit of the grease extraction system should be controlled by a special control box, and should be equipped with fire prevention, explosion-proof and other safety measures to ensure the safety and reliability of the system.