1.工作压力和流量
1. working pressure and flow
气动增压泵和动力单元的工作压力参照驱动气压为0.6Mpa时泵输出压力和流量.如果泵的较大输出压力大于所需的工作压力,这就要考虑措施.对于较大输出压力,请参照产品目录中的"静态下驱动气压力和输出液压近似比率表".动力单元的选型与泵一致.对于工作流量,请参照产品目录中的"性能曲线图
The operating pressure of the pneumatic turbocharging pump and the power unit refer to the pump output pressure and flow when the driving pressure is 0.6Mpa. If the maximum output pressure of the pump is greater than the required working pressure, the safety measures should be considered. For the maximum output pressure, please refer to the "static driving pressure and the output hydraulic approximate ratio table" in the product catalogue. The selection of the force unit is consistent with the pump. For working flow, refer to the "performance chart" in the catalog.
2.驱动气体的压力和流量
2. the pressure and flow of the driving gas
气体增压泵和动力单元在连续工作时使用的驱动气压不超过0.8Mpa,在间歇工作时可达到0.8Mpa.在佳性能状态时气动泵的耗气量,请参照所需驱动气体流量表
The driving pressure of the gas booster pump and the power unit in continuous operation is not more than 0.8Mpa. In the intermittent operation, the gas consumption of the air pump can be reached when the 0.8Mpa. is in the best state of performance. Please refer to the required gas flow meter.
3.输送液体介质
3. transport liquid medium
气体增压泵泵输送的液体介质是气动增压泵的选型中着重考虑的部分.液压部分的材质和液压密封圈是由输送的液体介质所决定的.泵可用油、水和大多数液体介质
The liquid medium for the gas booster pump is a part of the selection of the pneumatic booster pump. The material of the hydraulic part and the hydraulic seal are determined by the liquid medium. The pump can be used for oil, water and most liquid medium.
标准泵的主要液压密封圈是丁橡胶和聚氨酯,单向阀座采用特氟龙密封.其它密封材料包括碳氟化合物和亚乙基丙烯,这些密封材料主要用于输送的特殊介质.请向工厂或当地的分销商咨询密封材料选型
The main hydraulic seal of the standard pump is butadiene rubber and polyurethane, and the unidirectional seat adopts the teflon seal. Other sealing materials include fluorocarbon and ethyl propylene. These seals are mainly used for the special medium. Please consult the factory or local distributor for the selection of the sealing material.
4.气体增压泵可接受的体积和重量对于某些的应用,气动增压泵和动力单元的外形尺寸和重量也要考虑.根据客户需实现的压力和流量要求,我们可以按下面过程进动增压泵的选型
4. the volume and weight of the gas booster pump are acceptable for some applications. The size and weight of the pneumatic turbocharging pump and power unit should also be considered. According to the requirements of the pressure and flow required by the customer, we can select the type selection of the pneumatic supercharging pump according to the following process.
计算泵的小增压比Ratio≥客户需实现的压力
Calculate the minimum pressure ratio of pump Ratio, or the pressure required by customers.
计算泵的小每冲程排量q≥客户需要实现的流量
The minimum stroke volume Q of the pump is calculated.
根据以上计算结果,选择适合的(压力和流量接近,便宜--在相同压力等级下,泵越大越贵;在同一系列下,压力等级越高越贵)泵
According to the above calculation, choose the most suitable (pressure and flow approach, the cheapest - the price is more expensive under the same pressure level, the more expensive the pump is, the higher the pressure level is, the more expensive) the pump is, the more expensive the pump is, the more expensive the pump is.
为了清楚气体增压泵的表达选型过程,这里举个例子.比如需要实现油压150MPa,流量只要求在预充的时候能达到30ml/min即可.据此,我们确定泵的小增压比Ratio≥
In order to clear the expression and selection process of the gas booster pump, here is an example. For example, the oil pressure 150MPa is needed, the flow rate is only 30ml/min when the precharge is required. Accordingly, we first determine the minimum pressure ratio Ratio of the pump.
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