Where do I want to make a kitchen smoke pipe?

In order to ensure the purification effect, in the actual design, the exhaust air volume is required to be calculated according to the suction wind speed of the exhaust hood, and the suction air speed of the hood is usually not lower. The minimum exhaust airflow is usually calculated using the following formula: l=2000ph >>>More

Yes, the nest is made of this, and here in Wuhan, the only name and number needed is Wei.

Wanju Technology provides: Installation steps.

1. Trim the reserved hole of the floor slab (the large deviation notifies the civil engineering party to chisel), first pop out the center line of the reserved hole of the floor slab, and trim it according to the size of the reserved hole according to the center line. >>>More

1. The auxiliary flue must be retained.

Each kitchen has a flue, and at the same time, the flue is also divided into main and secondary, the main flue runs through the entire building, and the auxiliary flue is relatively independent. Generally, the oil smoke in the home will first go to the auxiliary flue, and then enter the main flue through the hole in the partition, so as to ensure that the oil smoke of each household is isolated. However, if the secondary flue is directly connected to the main flue, the pressure will be too low, resulting in back-up or cross-smoke. >>>More

Generally, there is a check valve at the front end of the exhaust port, I don't know if you have this exhaust port, if not, install one.