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Blow Tank

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blow tank

Blow tank advantages

  • Be equipped with dasher.
  • Simple transmission
  • Lower cost
  • Easy to install and maintain.
  • Less space required
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CNBM blow tank

Our company mainly produces flat bottom blow tank. For the materials, CNBM’s blow tanks are made of carbon steel, and the inner layer is required the antiseptic treatment. In order to keep the pulp at a certain temperature in blow tank, adding the insulator on the outside of blow tank.

Specification of CNBM blow tank

Size80m3,150m3,225m3, 330m3, 500m3, 1050m3 series of blow tanks with different  technologies;
MaterialsMain materials include carbon steel, 316L steel, stainless steel and composite plate, duplex stainless steel structure.
We also can custom any standards blow tanks by customers’ requirements

Blow Tank Working Principle

As for the structure of flat bottom blow tank, the top of blow tank is a separable part for pulp and steam, the lower-middle part is a cylindrical main frame, the bottom part is the flat base. Firstly, pulp enters from the stock inlet, along with the tangent. And then, the Exhaust gas is discharged from the exhaust pipe to heat recovery system, and store pulp with the blow tank. The top of the separable part is equipped with a breather valve or a safety sheet. When the pressure inside the tank exceeds the constant value, the breather valve will automatically release the pressure to keep the blow tank safe. Besides, there are one or two spiral propellers at the bottom of blow tank. When the capacity of the tank is greater than 300m3, there is usually a large-diameter propeller or two propellers. In general, it is equipped with a cone at the center of the bottom, so that the output area was annular space, which helps to flow and dilute the pulp evenly.

blow tank project