查询词典 pressure pump

According to evaluation of the thermal, hydraulic, environmental and mechanic characteristics and energy performance of building and VAV air-conditioning system, and evaluation of the control performance of local control loops using the simulator of VAV system, this paper presents five on-line supervisory control strategies for local control loops: on-line optimization of VAV supply air static pressure set-point, on-line optimization of AHU supply air temperature set-point, on-line optimization of on/off set of CAV sub-system, on-line optimization of outdoor air set-point and on-line optimization of chilled water secondary pump pressure set-point.

通过数字仿真器对建筑物及其变风量空调系统的热力、动力、环境和能耗等运行特性的模拟，以及对系统常规采用的下位机控制回路可控性和稳定性等控制特性的研究和分析，本文先从局部的角度开展了系统局部优化的研究。提出并在仿真器上分别实施了VAV送风静压设定的实时优化，AHU送风温度设定的实时优化，CAV子系统开／停的实时优化，新风量设定的实时优化以及二级泵冷媒水供水压差设定的实时优化。

A new type of mud pump with high flow, high pressure, compactness and light weight is designed for truck mounted water well drill rig, tackling the difficulty in mud pump matching.

为车装水文水井钻机设计大流量、压力、体积、质量的新型泥浆泵，解决其泥浆泵配套难的问题。

Note: The decompression valve role in continuing to do, there will be a part of the oil (about 1 L / min) flow back into the tank through the vent port lost the oil pump part of the output flow, so in a system, such as the use of several cut pressure valve, you must take into account the loss of pump output flow problems.

注意： 减压阀在持续做减压作用时，会有一部分油（约1 L/min）经泄油口流回油箱而损失泵的一部分输出流量，故在一系统中，如使用数个减压阀，则必须考虑到泵输出流量的损失问题。

Applied to adjust the casing pressure for ESP wells, it automatically discharges through the bleeding valve, the casing gas into oil/gas manifold, for the purpose of controlling the reasonable submergence depth of ESP intake, and preventing the shut-down of ESP due to gas lock or under-load. This not only ensures the normal pump operation but also enhances the pump efficiency and production rate.

常用于电潜泵套管压力调节，套管气通过放气阀排入输油管汇，以控制合理的电泵吸入口沉没度，防止潜油电泵发生因气锁现象的发生导致的欠载停泵，保证电泵的正常运行，提高泵效及产量。

In the reciprocating pump, the suction valve and exhaust valve is a very important component and is vulnerable parts of their work directly affects the limits of the pressure reciprocating pump, pumping speed, power consumption and operating reliability.

在往复泵中，吸气阀和排气阀是非常重要的部件且是易损部件，它们工作的好坏直接影响往复泵的极限压力、抽气速率、功率消耗以及运行的可靠性。

In the reciprocating pump, the suction valve and exhaust valve is a very important component and is vulnerable parts of their work a direct impact on the limit pressure reciprocating pump, extraction rate, power consumption, as well as the reliability of operation.

气缸摘要：在往复泵中旋转气缸，吸气阀和排气阀是非常重要的部件且是易损部件，它们工作的好坏直接影响往复泵的极限压力、抽气速率、功率消耗以及运行的可靠性。

When the piston to the left side starting from the right end of the move, filled with fluid by squeezing the pump, the suction valve closed, and open the pressure valve and the discharge, this process is known as the process of pressurized water pump.

当活塞从右端开始向左端移动时，充满泵的流体受挤压，将吸水阀关闭，并打开压水阀而排出，此过程称为泵的压水过程。

Is one: the petrochemical, chemical, metallurgical, mechanical, electrical, pharmaceutical, light industry and the nuclear industry and other professional services industries, the production of material specifications, heat-resistant steel, resistance Steel mill heat-resistant alloy steel, rare earth wear-resistant steel, high-pressure high-temperature nickel chromium alloy steel: Steel Casting products, high temperatures centrifugal cast pipe casting, centrifugal cast pipe (casting thickness: 5 mm ---- 60mm, outside Drive: 50 mm ---- 1600mm, single-tube products such as super-6 m diameter size of the cast pipe products) tube, cracking furnace tube, and into the furnace, the furnace tube radiation, radiation control, the loser of the ash, the reaction of various Furnace roll, roll bottom, the furnace roll, sank roll, roll stability, and various types of precision casting fixture, heat-resistant steel castings, and Steel Plant for Hot Piercing Plug casting, casting industrial furnace, heat treatment furnace industrial castings , Heat-resistant castings, wear-resistant steel castings, various types of chemical process pumps, plastic alloy centrifugal pump fluoride, fluoride alloy pump, stainless steel pumps, valves, pipe, steel-lined composite of various pieces, all kinds of PTFE Plastic pipe, fin tube heat exchanger, paper, chemicals, light industrial and textile enterprises such as air-conditioning GL Ⅱ type, U-radiators, welding a variety of stainless steel, alloy steel, carbon steel, high-frequency finned tube , Studded tube, sawtooth-shaped fin, and other products of the manufacturing enterprises.

靖江市舒尔机械制造有限公司是一家为：石化、化工、冶金、机械、电力、制药、轻工和核工业等行业服务的专业公司，生产各种材质规格的，耐热钢、耐磨钢耐热合金钢、稀土耐磨合金钢、高温承压高镍铬合金钢：特钢铸造制品、耐高温离心铸管铸件，离心铸管（铸造壁厚：5mm----60mm、外径：50mm----1600mm，单管制品长6m等超大径的铸管制品尺寸）炉管、裂解炉管、转化炉管、辐射炉管、辐射管、输灰管、反应管、各种炉辊、炉底辊、炉内辊、沉没辊、稳定辊、及各类精密铸造工装夹具，耐热钢铸件，钢管厂用热轧穿孔顶头铸件、工业炉用铸件，热处理工业炉用铸件，耐热铸件，耐磨钢铸件，各类化工流程泵，氟塑料合金离心泵，氟合金泵，不锈钢泵、阀门、管件、各种钢衬复合管件，各类聚四氟乙烯塑料管件，翅片管换热器、造纸、化工、轻纺等企业的空调GLⅡ型，U型散热器、焊接各种规格的不锈钢、合金钢、碳钢等，高频翅片管、钉头管、锯齿形翅片管等产品的生产企业。

And by using steam ejector pump, the exergy loss of reducers can also be decreased. In this article, the models of reducers and steam ejector pump are established. According to the analysis of economic benefit, there is a critical point about the low-pressure steam extra-flow rate in their application.

通过分析蒸汽喷射式热泵与减温减压器的模型，本文从理论的角度提出了蒸汽喷射式热泵与减温减压器的选择存在着一个临界点，即低压蒸汽临界过量流量，并通过计算，给出了不同电热比价条件下，蒸汽喷射式热泵与减温减压器应用的临界点。

Group Seven holding company , are set to design, develop, manufacture, sale and service to a variety of double, three screw pump, low pressure gear pump-driven variety of valve products in large-scale production of specialized manufacturers.

集团下属七大控股公司，是集设计，开发，制造，销售，服务于一体，以各种双，三螺杆泵，低压齿轮输油泵各种阀门为主导产品的专业化大型生产产家。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。