Installation method of tuyere of hotel range hood

Hotel lampblack machine is one of the necessary equipment in the hotel kitchen, and its function is to collect the lampblack generated in the kitchen and ensure the cleanliness of the kitchen air. The air outlet of the range hood is the outlet connecting the pipeline and the outdoor. Improper installation will seriously affect the use effect of range hood, and even cause safety problems such as fire. The following introduces the installation method of the tuyere of the hotel range hood.

1, establish the outlet channel.

Before installing the range hood, it is necessary to establish an air outlet channel. Usually, it is necessary to excavate the exit on the external wall or roof of the kitchen, and try to choose a well-ventilated location to avoid affecting neighbors. You need to reserve the location of the pipeline after digging the hole.

Second, measure the tuyere size

According to the exhaust volume of the range hood, determine the size of the air outlet. The size is too small, which will affect the smoke exhaust effect of the range hood. Generally, it is recommended that the range hood with exhaust air volume greater than 1000 m3/h, and the tuyere size should be greater than 30cm× 30cm.

Third, be the outlet.

According to the measured size, the tuyere is made of metal plate, which can be made of 304 stainless steel commonly used at home and abroad, and installation screw holes need to be reserved when making. The advantages of stainless steel plate are corrosion resistance, high strength and easy cleaning. Suitable for oil fume environment.

Fourth, install tuyeres.

When installing the tuyere, first insert the tuyere into the dug hole and fix it with expansion screws or welding. Ensure that the tuyere is close to the wall to prevent the air around the tuyere from leaking in. In addition, the tuyere should be closely connected with the exhaust pipe of the range hood, and sealant or rubber gasket should be used to prevent air leakage.

Five, install anti-reverse device

Anti-reverse device is a safety device to prevent the outside wind from blowing indoor smoke back. Before installation, the surrounding environment and geographical location should be considered to determine the fixing method. During installation, drill a hole at the bottom of the tuyere, then insert the chamfered iridium alloy tube and fix it with adhesive, and finally cover the anti-reverse device.

Through the above steps, the air outlet of the hotel range hood is installed. During use, the range hood should be cleaned regularly, and the air outlet should be checked for blockage and air leakage, so as to ensure the normal operation of the range hood and keep the kitchen environment clean and the personal safety of employees.