Factors affecting the effects of evaporation crystallization of circulating pump

several factors affecting the effects of evaporation crystallization circulating pump

1, the gas-liquid separation chamber volume and the confirmation of

gas liquid separation refer to parts of the pump body out of the chamber pressure, the greater the volume of gas and liquid separation effect, the better, the faster separation, but the gas-liquid separation chamber volume to must, according to the experience of its value is equal to or slightly greater than the reservoir volume, in guarantee under the condition of gas-liquid separation chamber volume, export to the centerline of the impeller pump body height is on the basis of reservoir fluid volume and the gas-liquid separation chamber volume confirm the height in the drawing.

2, impeller HouGaiBan turning

about mixed evaporation crystallization circulating pump, when the impeller speed is less than the cylindrical, self-priming effect is poor, can be used to turning impeller HouGaiBan progress self-priming ability, the reason for this is to facilitate a mixture of liquid and gas in the process of imbibition. Cutting quantity not too much, otherwise it will significantly reduce the pump lift and efficiency, the reinforcement on every tongue, avoid bubbles in the liquid at the HouGaiBan cut off the circulation, influence self-priming effect.

of high volume 3 and reservoir and reservoir confirm

reservoir volume is refers to the pump after parking, can store the liquid in the pump body part of the volume, also is the water pump suction pump body under low volume, this part of the first volume is part of the pressure out of the chamber and gas liquid separation chamber. In the water pump the blundering. In addition, have meet reservoir volume must be bound to store liquid height, height of liquid storage is the height of the pump suction low into the center of the impeller, general is approximately equal to the radius of the impeller.

4, the area of the reflux hole

about mixture evaporation crystallization in circulating water pump, reflux hole area has much effect on the function of self-priming, large area, made by the imported liquid reflux hole back to the impeller, reflux hole area hours self-priming time long, self-priming height at the biggest vacuum. Confirm reflux hole area, want to consider the self-priming time and self-priming height requirement.

5, delivery room of liquid flow rate to confirm

evaporation crystallization circulation pump out of the chamber of the liquid flow rate is lower than normal centrifugal pump, approximately equal to the general centrifugal pump the liquid flow rate of the 80 - room 90%.

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