The setting of the door bucket needs a formula.

The general design specification of the door hopper is that it is installed in the transitional space of the building in front of the main house, connected with the external door to block the cold air from entering the house, and set at the entrance and exit of the building to play the role of separation, wind prevention and cold prevention.

1. The partition wall of the door hopper shall be a solid wall with a fire resistance limit of not less than 2.00h, and the doors shall adopt Class A fire doors and be staggered.

2. Doors in the explosion area should be open to the riot area; Prevent direct danger, air leakage to general areas, and harm innocent people.

3. In addition, if the door bucket has design requirements, it needs to have specific requirements in the specification; For example, if there must be curtains, you must rectify them yourself during construction.

Door barrel setting

The partition wall of the door hopper should be a solid wall with a fire resistance limit of not less than 2.00h, and the doors should adopt Class A fire doors and be staggered. The door bucket in the explosion area should be opened in the direction of the riot zone. In addition, if the door bucket has design requirements, it needs to have specific requirements in the specification; For example, if there must be curtains, you must rectify them yourself during construction.

Door bucket use

Building transition space is set at the entrance and exit of the building, which plays the role of separation, wind protection and cold protection. Build a temporary square hut outside the door in winter to keep out the cold. It's called a door war. Door bucket is a kind of cold-proof facility installed in front of Han nationality houses in Northeast China. Every winter, people will install a door hopper in front of the main door and connect it with the outer door to stop the cold wind from blowing into the house. This is a way of heating.