Openings and nozzles of pressure vessels

Many users do not know much about the opening and connection of pressure vessels. The following editor will introduce them in detail:

1. The connection between the nozzle and the shell

The connection between the nozzle and the shell is all welded.

2. The connection type between the take-over and the outside

There are generally three types of interfaces between the nozzle and the external connection: threaded short pipe type, flange short pipe type and flat flange type.

3. Opening reinforcement

After the opening of the container shell, the discontinuity of the shell structure is caused, which causes stress concentration and increases the local stress at the edge of the opening several times. In order to reduce the local stress at the edge of the opening, it is necessary to reinforce the opening of the shell. There are two methods of opening reinforcement: local reinforcement and overall reinforcement.