Understand the installation sequence of closed hood of the paper machine

The installation sequence of the closed hood may not be well understood. First of all, you should know which parts of the closed hood are. The closed hood includes the framework, the sealing body of the hood, the movable roof, which is also known as the air duct, the liftdoor, the lighting system, the walking platform and the railings, and so on. Then let's take a look at which parts of the hood body are included.

What are the parts of the hood body?

The hood body consists of top plate, side wall plate, end wall panel and door. Its thermal insulation performance and sealing effect between them determine the performance of the hood. It is fixed on the steel structure frame with pressure plate, sealing strip and screw to cover the dryer sections and isolate them from the outside to form a fully closed airtight hood.

Installation sequence of paper Closed Hood:

The credit extension includes the installation of blow box in pocket area, paper stabilizer and paper pair transfer blower box, which can be installed synchronously with the paper machine. According to the sequence, the following items are: column, longitudinal beam, top frame, air duct in hood, fire protection, operation side, hanger on both ends, end face blowing box and lift door blower box, insulation board, outer plate, walking platform pedal and railing, swing door, lifting door, sliding door and wrapping angle.

The last thing to tell you is that under the normal operation of the paper machine, there is no need to operate. The operation of the paper machine can be seen at a glance through the glass window on the liftdoor. Must the closed hood provide convenience for monitoring, operation and maintenance of the paper machine? It must be able to draw paper conveniently.

To provide a closed high temperature environment is conducive to the drying of paper and reduce the exhaust air volume, and improve the heat recovery effect of the exhaust air of the hood. The internationally popular design is that the ball temperature of the hood is 80 ~ 85 ℃, and the dew point temperature is 58 ~ 62 ℃.