查询词典 steam-boiler

The ratio of steam to oxygen will affect gas quality and optimum steam/oxygen ratio is 1.5-2 in the test condition.

汽氧比影响煤气组成变化，试验条件下适宜的汽氧比范围为1.5～2。

In this dissertation, at first, the history and present situation of the research related to overheating is reviewed, and then the research works are carried out in following aspects the calculation of radiative properties of coal combustion, the solution of radiative transfer equation in absorbing-scattering media, the analyses of combined heat transfer processes in flue side, the computation method of steam temperature deviation of superheaters and reheaters and the inversion method of their wall metallic temperature in furnace, the numerical simulation of gas-solid two-phase flow, combustion and heat transfer in furnace, the measurement of outlet steam temperature of superheaters and reheaters, engineering reformation of overheating and optimum design of superheaters and reheaters, etc.

本文在综述了与过热器和再热器超温问题有关的研究历史与现状的基础上，在煤粉燃烧产物辐射特性的计算、含散射问题的辐射传递方程的求解、过热器和再热器烟气侧对流与辐射复合换热及汽温偏差的计算和炉内金属壁温的反演、炉内气固两相流动、燃烧、传热过程的数值模拟、过热器再热器炉外出口汽温的测量、过热器再热器超温问题的工程改造及设备的优化设计等方面进行了研究。

The order comes after China Nuclear Power Engineering Co, a subsidiary of Chinese utility China Guangdong Nuclear Power Co and Dong Fang, signed an agreement for the design, manufacturing and supply of the steam turbine-generator packages, which comprise an "Arabelle" steam turbine, a 4-pole turbo generator, a condenser and moisture separator reheaters.

此订单是继中国广东核电集团有限公司的全资公司中国核电工程有限公司与东方电气签署的为核电站提供蒸汽涡轮发电机的合作订单，此次提供的机器由&Arabelle&蒸汽涡轮机、一个4电极涡轮增压发电机、一个电容器和湿气脱离器组成。

It 's mainly used in steel tubes of high 's mainly used in steel tubes of high temperature superheaters with surface temperature temperature superheaters with surface temperature ≤625℃ and high ≤625℃ and high temperature reheaters with surface temperature temperature reheaters with surface temperature ≤650℃, and high ≤650℃, and high temperature headers and steam pipes with surface temperature temperature headers and steam pipes with surface temperature ≤600℃.

主要主要用于壁温≤625℃的高温过热器、壁温≤650℃的高温再热器钢管，以及壁温≤600℃的高温集箱温≤625℃的高温过热器、壁温≤650℃的高温再热器钢管，以及壁温≤600℃的高温集箱和蒸汽管道，国内外已逐步用该钢代替和蒸汽管道，国内外已逐步用该钢代替T22、F12、TP304L、TP347H等，但该钢焊接性能T22、F12、TP304L、TP347H等，但该钢焊接性能也比较差，容易产生焊接冷裂纹，所以同样要求有合适的预热温度和及时进行焊后回火处也比较差，容易产生焊接冷裂纹，所以同样要求有合适的预热温度和及时进行焊后回火处理。

Both back pressure turbines and reducers can be used in steam using system to provide steam of different pressures.

背压汽轮机和减温减压器都可以用于用汽系统，提供不同等级的蒸汽。

4 Steam shut off is provided by a solenoid valve opening the pilot stage of the steam pressure-reducing valve.

蒸汽的关闭是通过一个电磁阀打开减压阀一段时间来实现的。

Then the combined cycle with the same gas turbine systemfuelled by coke oven gas was simulated by this method, and steam parameters ofdifferent steam cycle modes were optimized by thermodynamic method, pursuingthe target function of the maximization of combined cycle efficiency;based on foreoptimized results, using the thermoeconomic method of matrix pattern, the mode ofsteam system and the pinch point temperature difference under the optimal modewere optimized, pursuing the target function of the minimization of generating cost,and thereby the optimal mode of combined cycle fuelled coke oven gas wasobtained.

将此方法应用于燃气轮机系统设备不变时的燃用焦炉煤气的情况，并以联合循环效率最大为目标函数，对不同蒸汽循环方式时的蒸汽参数进行了热力学优化；在此基础上，利用矩阵模式热经济学法，以联合循环最小发电成本为目标函数，对蒸汽循环方式及最佳蒸汽循环方式下的节点温差进行了优化，从而初步得到了燃用焦炉煤气联合循环的最佳形式。

Intermediate heat cycle can be reduced because the tail blade turbine steam humidity and reduce steam consumption. improve plant efficiency and thermal cycling in the unit were popular, however, Reheat temperature control system with nonlinear their targets, inertia, the characteristics of delay, Power Plant to become more difficult to control the system-paper fuzzy control theory and fuzzy logic, reconsidered conventional PID control law on the basis of the study and intelligent fuzzy PID control, the 300MW units Reheat fuzzy control process using adaptive PID control, the introduction of load feedforward. design configuration, the final design complex adaptive feedforward cascade control system and MATLAB for simulation, simulation results show that the response speed, Robust control and accuracy, the system has considerable advantages Unit to improve the efficiency and reduce the operational workload.

中间再热循环技术因其可以降低汽轮机尾部叶片的蒸汽湿度和降低汽耗，提高电厂的热循环效率而在单元机组中被普遍采用，然而，再热气温控制系统因其对象具有非线性，大惯性，大迟延等特点，成为火电厂较难控制的系统之－，本文运用模糊控制理论和模糊逻辑推理，在重新认识常规PID控制规律的基础上探讨了PID与智能模糊控制相结合，在电厂300MW发电机组再热模糊控制过程中使用自适应PID控制，引入负荷前馈，设计组态，最终设计出自适应复合型前馈串级控制系统，并在MATLAB中进行仿真模拟，仿真结果表明，在响应速度，鲁棒性和控制精度等方面，此系统都具有相当大的优越性，有利于提高机组的效率和减轻运行人员的劳动负荷。

Texas Motonobu steam Textile Machinery Co., Ltd. is mainly produces all kinds of automobile clutch pressure plate assembly fittings, and to the FAW, the second clutch steam production forgings, machining, heat treatment manufacturers of fittings, the company was founded in 1980, is 190 people have employees, covers an area of 16,000 square meters, fixed assets 1000ò.

德州元信汽纺机械有限公司是主要生产各种汽车离合器压盘总成配件，并给一汽、二汽生产离合器的锻件、机加工、热处理配件的厂家，本公司始建于1980年，现有员工190人，占地面积1.6万平方米，固定资产1000万元。

In the formidable new spatial telescope, this planetoid appearance is clear, sees only that unexpected visitor, comes from the foreign land interspace diameter to reach 1000 kilometer mystical planetoids, the majority of surfaces were by the hard rock Jin Shulei dark color material package, the surface have covered entirely the every large or small uneven pothole and many irregular cracks, these diameter each different hole each one all immeasurably deep, did not stop from inside spouts the white the thick fog to come out, passes through the strict spectral analysis, spurted the white thick fog ingredient was finally confirmed for was the steam, really was beyond comprehension, actually did this monster planetoid is how form, how could spout the steam unceasingly?

在强大的新型空间望远镜中，这颗小行星的面貌一目了然，只见那颗不速之客，来自异域星际直径达1000公里的神秘小行星，大部分表面是由坚硬的岩石金属类暗色物质包裹，表面布满了大大小小不均的坑洞和许多不规则的裂纹，那些直径各异的孔洞个个都深不可测，从里面不停地喷出白色的浓雾出来，经过严密的光谱分析，喷出来的白色浓雾成份最终被确认为是水蒸汽，真是令人费解，这个怪物小行星究竟是怎么形成的，怎么会不断喷出水蒸汽呢？

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％。