Increase the blower to boiling dryer, in order to increase the pressure volume, improve production efficiency
Boiling drier after the production of various products sales continue to grow, to meet the market demand, production technology department has increased every batch of product inventory, but boiling a feeding amount of original design dryer for drying 200kg, maximum pellet diameter 4mm, production capacity can not meet the need of production, the drying process has become a bottleneck of production process. If the increase in equipment needed for large-scale changes to the original production site, not only a large amount of investment, and the transformation process will affect the normal production. Therefore, the drying power department together with the plant engineering and technical personnel to carry out the transformation of the boiling device, so that the production capacity of equipment to meet the needs of production.
  Increase the blower, increasing wind pressure air
  Boiling fan dryer used for centrifugal fan, used as a fan, motor power is 30kW, volume of 5690~6 973 m3/h, wind pressure is 3 857~8 148 Pa. In order to increase the pressure volume, try in the mechanical room one boiling drying machine with centrifugal fan, as blower. Under the action of the draught fan, the material produced relatively negative pressure top; the effects of the blower, the material at the bottom of the relative positive pressure, negative pressure and the material under the action of positive pressure, the boiling effect. In the test after a period of time, found that such a phenomenon: boiling dryer drying chamber top has a vent, it has a cover, when the equipment is running by negative pressure in a closed state. When increasing the contrast of the effect of air blower when starting this cover occasionally opening, causing dust through the vent is directly discharged into the operating room, pollution of the clean room, it is greater than the air blower air induced draft fan, damage caused by negative pressure of drying chamber. In order to control the pressure air blower, and on the other a boiling dryer with a centrifugal fan, also in the inverter control. Installation of the inverter, by controlling the speed of blower, keep dry chamber negative pressure state, so that the phenomenon is improved, and can be controlled according to the different stages of products of different specifications and drying time.
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