The check calculation and tests for the water supply system showed that its main reason is large in the resistance of pipelines and low in the discharge and pressure of pump. 通过对供水系统的校核计算和测试表明,主要是管网阻力大,水泵流量和压力偏小所致。
Equally effective in checking back flows from head pressure on the discharge or suction sides of pump. 无论是泵的排泄口的排出压力,还是泵的吸入口,其流体止回的效果都是相同的。
Centerline discharge pump casings are not acceptable. The pump casing shall have an integrally cast hand hole supplied with a hand hole cover. 中心线排放泵壳是不可接受的。泵壳上应该具有整体铸造的探孔,并配置探孔罩盖。
Low pump discharge pressure during pump operation shall sound an alarm and be indicated on the HMI. 低泵泵运行期间的排放压力应发出警报声,并在HMI上显示。
On the discharge of each pump, compressor, and blower, inside the first block valve or check valve. 卸下泵、压缩机和风机时的首个隔断阀或止回阀内。
By means of controller realized the stepless speed regulation of motor, matched the discharge capacity of pump according to the supply from the well. 通过变频器无级调节电机的转速,使潜油电泵的排量与油井供液相匹配。
Finally the simulation of discharge flow in vane pump was made. 同时对泵的瞬时流量进行了仿真。
The special cam-drive mechanism which has replaced the traditional crack-connecting rod mechanism is used as the power end of the new constant discharge pump, which has greatly changed the performance of the reciprocating pump. 由于动力端采用了特殊廓线的凸轮传动机构取代传统往复泵的曲柄连杆机构,使得往复泵的性能发生了重要改变。
An Efficient Cooling Water Discharge Heat Pump System and Its Controlling Scheme 一种新型热泵系统及其控制方案
Optimum hydraulic design for discharge passage of large pump 大型水泵出水流道优化水力设计
Automatic control System for Submersible Fire Discharge Pump 潜水型消防排水泵的自动控制系统
Research and application of large discharge capacity screw pump in polymer flooding 聚驱大排量螺杆泵研制与应用
On the Energy Saving of the High-head and Large-discharge Pump 试论高扬程大流量泵的节能
The flow condition and the extracting discharge of the vacuum pump during the process of siphon; 虹吸形成过程中驼峰水流情况及真空泵抽气流量;
Therefore the water injection pump must be modified for pressure upgrading. The method is lessening the diameter of the pump plunger to raise the discharge pressure of the pump. 注水泵压力升级改造是在泵行程和泵速不变,不更换电动机的前提下,通过减小泵的柱塞直径,即减小泵的流量来提高泵的排出压力,以满足注水需求。
The factors influencing on the abrasion are analyzed according to the actual abrasion for the balance set of the main discharge pump, in this paper the measures for prolonging the working life for the balance set is also put forward. 根据主排水泵平衡盘装置的实际磨损情况,分析影响磨损的因素,并指出延长使用寿命的措施。
The analysis of the disposition scheme of Mine Discharge Pump by using of reliability 井下排水系统配置方案可靠度分析
Determination of Maximum and Minimum Discharge of Slush Pump and Operation Parameters 泥泵最大最小流量及运转参数的确定
Paying attention to high gravitational difference between the suction and discharge of pump while the outlet pressure is lower; 对输油泵吸入端与排出端存在较大位差而泵出口压力较小时的情况不能忽略;
Field popularization application result shows that polyline large discharge capacity screw pump can well meet the lifting needs in polymer flooding wells of high fluid production in Daqing Oilfield, with obvious cost effectiveness and energy economic effectiveness. 现场推广应用结果表明,多线大排量螺杆泵能够较好地满足大庆油田聚合物驱高产液井的举升需要,而且具有明显的降投资和节能效果。
Using CP for Automatic Control of Distillation Furnace Discharge Design of submersible pump in use for ore discharge in mine 选用CP(微机)对蒸馏炉排矿辊自动排矿的控制矿用排沙潜水泵设计
The results are significant for decreasing hydraulic loss of discharge passage, pump assembly optimum design and increasing pump assembly efficiency. 成果对减小出水流道水力损失,实现泵装置优化设计,提高泵装置效率有重大意义。
Method Using tubing sand control and discharge pump, it is easier to bring sand in oilwell and its bottom up to the ground. 方法应用管式防砂排砂泵,使油井中和油井底部的砂子易被携带到地面。
Results indicate that flow deviation in discharge passage is formed by co-action of pump outflow circulation and secondary flows in outflow curved pipe, hydraulic loss of discharge passage increases and pump assembly efficiency decreases because of flow deviation. 结果表明:水泵出流环量和出水弯管二次流共同作用形成了出水流道偏流,偏流使出水流道水力损失增大,泵装置效率下降。
To the large discharge emulsion pump, crankshaft works under the low speed and heavy-duty condition. so that the design and manufacture of crankshaft is reliable and proper or not relates the development of emulsion pump successful or fail directly. 对大排量乳化液泵来讲,曲轴的工作状况属于低速重载,其设计与制造技术的可靠、合理与否,直接关系到大排量乳化液泵的开发成功与失败。
This paper will examine a new type of vehicle gas production liquid discharge jet pump system for the shortcomings of conventional coal seam gas mining methods. 针对常规煤层气开采方式的缺点,本文将研究一种新型的车载采气排液射流泵系统。