查询词典 steam-boiler

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。

That is a process which uses steam power with heat pump to increase the pressure in heat pump and then with all the secondary steam of heat pump evaporator made both as heat steam of heat pump evaporator and the first evaporator.

通过对烧碱溶液热泵蒸发工艺的研究，提出了一种用驱动蒸汽将热泵效二次蒸汽全部用热泵增压后同时供给热泵效和第一效蒸发器作加热蒸汽的并列组合式工艺。

Medium-high temperature steam is widely used in industry, in order to produce about 180°C steam which is needed a lot in industry, a loop thermosyphon solar steam generation system is desighed.

中高温蒸汽在工业上的用途非常广泛，针对工业上需求量很大的180℃左右的蒸汽，本文设计了回路型重力热管太阳能蒸汽发生系统。

Steam pipe line as one of the main facilities which is used in the steam line system of the thermal production ,the main reason for the decline of well head steam quality, the key factor of the decreasing energy efficiency .

输汽管道作为热采输汽系统的主要设备之一，是井口蒸汽干度降低的主要原因，也是降低能量利用率的重要因素。

In the steam injector with pressure-gain, the water gains pressure by the power of steam. The outlet water pressure is higher than the inlet steam pressure.

增压引射器利用蒸汽作为动力使水增压，让出口水的压力超过入口蒸汽的压力。

The calculation and experiment results show that the maximum lifting pressure performance decreases with the increase in throat diameter of channel of variable section, water flux of low pressure and pressure ratio of steam nozzle, and has its minimum value with water nozzle annular space. The coefficient of maximum lifting pressure performance may be as high as 26. In the design of steam injector, the larger pressure ratio of steam nozzle and the smaller water nozzle annular space are selected, the higher lifting pressure performance could be obtained.

计算及研究表明：极限升压能力随变截面混合腔喉部直径、被升压的低压水流量和蒸汽喷嘴压比增加而降低，随环形水喷嘴间隙的变化出现了最小值；计算得出变截面超音速汽液两相流装置的极限升压能力可达26；在设计升压装置时应尽可能选取较大的蒸汽喷嘴压比和较小的环形水喷嘴间隙。

The research results show that the steam inlet pressure and water inlet temperature are the main factors which affect the lifting-pressure performance; the steam injector have the characteristics of self-adaptive outlet pressure and constant outlet flow rate; the theoretical maximum lifting-pressure coefficient calculated could be high as 14 and the experimental value is 3.0, which could be high as 1.5 even if the water inlet temperature is high as 95℃. The noise of steam injector could be induced from 80db to 50db.

研究出该升压技术具有定流量特性、出口压力具有自适应特性，计算得出的理论极限升压能力的升压系数可达14，实验得出的最大升压能力为进口蒸汽压力的3倍，进口水温达到95℃时其升压能力还可达到1.5倍，噪音从目前的80db减少为50db。

By the experiment of using steam trap of the steam heater,considering the steadiness of control process ,gave a suggestion for the choice for steam trap.

通过对蒸汽加热器疏水器运行情况试验，从控制的稳定性考虑，对蒸汽加热器疏水器的选型提出了建议。

This includes high pressure drop, steam blow down, steam injection, fast acting isolation, 6,000 psi (414 bar) gas and super heated steam at 1,100oF (593oC). In 1981, after rigorous testing of valve performance and all its components, we redesigned the valve and added several new patented features.

这些考验包括高压降，蒸汽排放，蒸汽喷射，快速隔离，6000 psi (414 bar)高压气体和593oC超高温蒸汽。1981年，在对阀门性能和所有部件进行严格的测试后，我们对阀门进行了重新设计，增加了几个新的专利性能。

Based on the thermodynamic principle and calculation model of double-region-heating steam wetness probe, according to the typical operating condition of steam turbine,the water drop vaporization length in the double-region- heating steam wetness probe has been numerically calculated.

概述水蒸汽作为1种常用工质，广泛应用于火电、核电、船舶、石油等行业。水蒸汽在热能动力装置中受外界条件影响，常会呈现不同的状态，其中之一就是饱和湿蒸汽状态，即干饱和蒸汽和饱和水滴的混合物。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。