In the papermaking equipment, the closed hood effect and use value of the drying section is relatively high, because it is the soul of the drying section.
The quality of the drying process will directly affect the quality of the paper, and also have a great impact on our later sales.
Therefore, in the process of airtight hood design, the following functions need to be met in order to ensure the normal operation of papermaking equipment.
1. Provide a closed high temperature environment in the paper machine production line to facilitate the drying of the paper, reduce the exhaust air volume, and improve the effect of heat recovery of the air cover exhaust air.
The most popular design in the world is that the dry bulb temperature in the air cover is 80-85 ℃ and the dew point temperature is 58-62 ℃.
2. The closed in the paper machine production line must provide convenience for the monitoring, operation and maintenance of the operation of the paper machine, and must be able to guide the paper and change the roll conveniently.
3. The high temperature and high humidity in the closed hood in the paper machine production line is especially easy to cause condensation. The design of the hood must completely put an end to the condensation and dripping of the air cover roof.
4. Make sure that the air in the hood of the paper machine is not emitted to the workshop as much as possible.
5. The closed hood in the paper machine production line should be able to adjust the longitudinal exhaust air volume of the paper machine to ensure the air exhaust volume required by each dry part of the paper sheet.
6. The closed hood in the paper machine production line should fully consider lighting, fire fighting and other facilities to meet the needs of all aspects.
7. The closed hood in the paper machine production line occupies a large area in the paper machine workshop, so the appearance of the hood must be beautiful and durable.
The above is the editor for you to introduce some of the knowledge about the airtight hood, I hope it can be helpful to you. With the reasonable design of the airtight hood, the quality of the paper will be improved and the benefits will be better for the enterprise.
The effect of airtight hood designed and produced by different manufacturers is slightly different, so when we choose and purchase, we need to compare several airtight hood manufacturers to choose and purchase their own papermaking equipment.
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