Q=S×V×3611m? /h。 According to the number n of stoves, the user can set the air volume of each stove to 2111m? /h, the required purified air volume =N×2111m? /h, this is the theoretical value.

according to stove selection: the air volume of each standard stove (φ=351mm) is 2111m3/h, and the total handling air volume = the number of stoves× 2111m3/h, and then the equipment model is determined according to the total air volume.

calculate the pressure loss of the system pipe network according to the matching fan selection: the pressure loss of the system pipe network includes local pressure loss and pressure loss along the way, and the local pressure loss refers to the pressure loss along the way and the pressure loss of each straight pipe section.

Extended data:

Precautions:

To reduce the additional resistance of the fan. A 1-2m straight pipe section should be reserved at the inlet of the fan.

the equipment should work under negative wind pressure, in order to ensure the infectious effectiveness of the equipment. That is, the fan must be located in front of the equipment.

when the air is exhausted by a unified exhaust fan, when multiple devices are used in parallel. It is also necessary to ensure the proportion of the air volume allocated to each device, and the proportion of the air volume he intends to handle.

a rain-proof and sun-shading awning should be installed, when assembled outdoors. So as to avoid affecting the normal operation life of the equipment and increasing unnecessary maintenance cost.

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