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low heat value     
相关语句
  低热值
     Application of the Low Heat Value Cokes in 5t/h Cupola Melting
     低热值土焦在5t/h冲天炉中的应用
短句来源
     Combined with the reconstruction of burner which fire coal with high ash(50-55%) content and low heat value(11.7MJ/kg to 13.4MJ/kg),design a new type steady burner to increase the quantity of reflux of flue gas in the burner outlet.
     结合某电厂燃用高灰分(50%~55%)、低热值(11.7~13.4 MJ/kg)煤燃烧器改造项目,设计了一种新型结构的稳燃器,以增加燃烧器出口的烟气回流量。
短句来源
     THE APPLICATION AND ANALYSIS OF COMBUSTION TECHNOLOGY OF LOW HEAT VALUE GAS
     低热值煤气燃烧技术的应用与分析
短句来源
     The Thermal Efficiency Analysis of Low Heat Value Fuel in the Gas-steam Combined Cycle Installation
     燃气-蒸汽联合循环的低热值燃料热经济性分析
短句来源
     This paper introduces the principle,design and operating results of using GJH mixing burner to burn coke oven gas which is mixed with blast furnace gas in high temperature lime rotary kiln,shows that it is applicable and successful to burn low heat value gas in high temperature industrial kiln,which opens a new field for the application of blast furnace gas.
     介绍了在高温石灰回转窑上用 GJH混合燃烧器掺烧低热值高炉煤气的原理、设计及运行结果 ,说明了在高温工业炉窑上采用低热值煤气是可行的、成功的 ,为高炉煤气的应用开辟了新领域。
短句来源
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  低位发热量
     The Influence of Coal Low Heat Value to the Economy of Machine
     入炉煤低位发热量变化对机组经济性的影响
短句来源
     Effect of changing of coal low heat value on economy of generating unit
     入炉煤低位发热量变化对机组经济性的影响
短句来源
     The WMZF-1 on-line analyzer for boiler coal quality is a kind of advanced real-time instrument for measurement of coal quality, which measures the ash-content, moisture, volatile content and low heat value of the boiler pulverized coal by means of microwave double-bridge.
     WMZF - 1型锅炉煤质在线分析仪是一种性能先进的煤质实时测量仪器 ,它利用微波双桥路法在线测量锅炉煤粉的灰分、水分、挥发分和低位发热量 ,并将所测得的数据在集控室微机屏上实时显示 ,还可并入DCS系统 ,为优化锅炉燃烧提供准确的煤质指标。
短句来源
  低热值的
     The successful renovation of fluidized boilers using low heat value slag from gas making as fuel has significantly reduced comprehensive energy consumption in ammonia production and opened up a new path for steam self supporting in ammonia production of small sized nitrogenous fertilizer plants.
     用低热值的造气炉渣作燃料的沸腾锅炉改造成功,大大降低合成氨生产的综合能耗,为小氮肥企业开拓了合成氨生产蒸汽自给的新途径。
短句来源
     As the development of waste incineration in our country, the technology of fluidized bed waste incineration regarding to burn down the high moisture content, low heat value Chinese waste has burning stabilization and high efficient superiority. At present, it was applied allover China.
     随着我国垃圾焚烧技术的发展,流化床垃圾焚烧技术对于焚烧高水分、低热值的中国垃圾具有燃烧稳定、经济性高的优势,目前正在全国各地推广应用。
短句来源
     It becomes a new trend that iron and steel company employs the gas steam turbine combined cycle as buffer user which can use low heat value blast furnace gas as its fuels. Under this new condition,an optimizing model was set up to balance the gas system of the iron and steel company and optimize the utilization of the gas heat value.
     钢铁企业引入了以低热值的高炉煤气为燃料的燃气 -蒸汽联合循环发电装置作为钢铁企业煤气平衡系统的缓冲用户已成为一种新趋势 在这种新条件下 ,建立钢铁企业新的煤气平衡并实现煤气热值的优化利用模型
短句来源
  “low heat value”译为未确定词的双语例句
     Content of H_2 in pyrolytic gas increased quickly with increasing temperature, however, low heat value of gas decreases with increasing temperature.
     热解气体中H_2含量随着温度升高而迅速增加,气体热值则随着温度升高反而降低。
     The water content was relative low in MSW and this is good for incineration. The low heat value of annual mean was about 5590.8±1252.3 kJ/kg in MSW, but the value changed greatly with the season.
     垃圾中可燃物比例较高,水分含量较低,有利于焚烧和热解,低位热值(Q低)平均值为(5590.8±1252.3)kJ/kg,但低位热值随季节变化较大。
短句来源
     Adiabatic combustion technology has been adopted in the CO boiler revamping of a 1.0 Mt/a RFCCU. Adiabatic combustion has the advantages of burning low heat value and low CO content gas. The application showed that total energy recovery from flue gas reached 175 GJ/h, and the CO boiler efficiency was around 79%.
     在 1.0Mt/a重油催化裂化CO锅炉节能改造中 ,在保持锅炉本体基本结构不变的前提下 ,应用绝热燃烧技术 ,可以实现回收CO烟气总能量 175GJ/h ,锅炉效率达 79%左右 ,取得了良好的经济效益 ( 10 0万元 /a)和环保效果。
短句来源
     Thetest results and operation data show that it can fulfill the requirment of sintering ignition by usingof low heat value gas with 5.8 MJ/m ̄3,in addition it has the characteristics of low fuel rate, longservice life,easy operation,low investment and simple construction.
     生产测试和操作数据表明,该点火炉使用发热值为5.8MJ/m ̄3的煤气能满足烧结点火的要求,具有节能、长寿、操作方便、投资省及施工简单的特点。
短句来源
     The test results show Low Heat Value(LHV) and quality of the producer gas at 720℃ of reaction temperature are higher than that at other temperatures and the LHV ranges from 5 to 8.6 MJ /Nm~3.With the increasing of the equivalence ratio and reaction temperature,the LHV and quality of the producer gas decrease.
     实验结果表明,在720℃时气化产气热值较高,气体质量较好,气化气热值在5~8.6 MJ/Nm3之间. 随着空气当量比增加,气化气热值降低;
短句来源
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  low heat value
The gasification of wet biofuel is simple, but the produced gas has very low heat value and it is difficult to burn under ambient conditions.
      
However the low heat value gas usually requires modification of the turbines.
      
Although subbitu minous coals have relatively low heat value, they also have low sulfur content, making them a cleaner-burning coal.
      


The influence of fuel cetane number on the fuel consumption,heatefficiency,exhaust temperature and smoke of engines is studied in thispaper.A relative experimental curve of cetane number versus these per-formances is given.The inherent relationship between cetane number andits low heat value,and the corresponding regress formula are also presentedin the paper.

本文研究了柴油十六烷值对发动机燃油消耗率、热效率、排气温度和排气烟度等的影响,给出了相应的试验曲线,探讨了十六烷值与这些性能之间的内在关系。文中还给出了柴油十六烷值与低热值之间的线性关系及相应的回归公式。

Attempting to get possibility for making town gas in the single-stage reactor from De-Tong coal, it and its coke have been undergone steam catalytic gasification under the pressure of 0.1—4.0 MPa and the temperature of 700—900℃, in which Na_2CO_3 was used as a catalyst. Experimental results shows, the CO_2-free heating value of the gas product under 1.1—2.1MPa and 850℃ is 16288—17163kJ/NM~3 (for low heating value, 14672—15856kJ/NM~3).Since the domestic accepted standard of town gas heating...

Attempting to get possibility for making town gas in the single-stage reactor from De-Tong coal, it and its coke have been undergone steam catalytic gasification under the pressure of 0.1—4.0 MPa and the temperature of 700—900℃, in which Na_2CO_3 was used as a catalyst. Experimental results shows, the CO_2-free heating value of the gas product under 1.1—2.1MPa and 850℃ is 16288—17163kJ/NM~3 (for low heating value, 14672—15856kJ/NM~3).Since the domestic accepted standard of town gas heating value is 14651 kJ/NM~3 (or 3500 kcal/NM~3), so it look to use Na_2CO_3 as a catalyst for the gasification of De-Tong coal is suitable.

为了达到在单段反应器内用大同煤制造城市煤气的可能性,利用这种煤及其煤焦在压力0.1—4.0 MPa和反应温度700—900℃下通过Na_2CO_3作催化剂进行了蒸汽催化气化研究。实验结果表明,在850℃和1.1—2.1 MPa条件下,不计CO_2的产品气热值为16288—17163 kJ/NM~3(低热值为14672—15856kJ/NM~3)由于我国现行的城市煤气热值标准为14651kJ/NM~3(或3500kJ/NM~3),所以利用Na_2CO_3作为大同煤气化的催化剂是可取的。

The present work aims at industrial modification of WZ-5 aeroengine to runon medium BTU gas fuel which is a typical waste gas come from chemical fertilizer production. The medium BTU gas fuel contains 50% of H2,20% of CH4 and H2, and its low heating value is 3000kcal/Nm3. Four injectors have been designed and tested in the combustor of the engine. Three of them have quite good performance, the injector with slat-shape opening at its end is unsuitable because of unacceptable temperature distribution at...

The present work aims at industrial modification of WZ-5 aeroengine to runon medium BTU gas fuel which is a typical waste gas come from chemical fertilizer production. The medium BTU gas fuel contains 50% of H2,20% of CH4 and H2, and its low heating value is 3000kcal/Nm3. Four injectors have been designed and tested in the combustor of the engine. Three of them have quite good performance, the injector with slat-shape opening at its end is unsuitable because of unacceptable temperature distribution at the exit of the combustor. It is also shown that there is the potentiality for the modified combustor to be improved as the medium BTU gas fuel contains a certain amount of H2.

为了WZ5航空发动机改用小化肥厂的废气(含氢约50%、甲烷约20%,其余为氮气,热值约3000kcal/m~2),重新设计了燃烧室喷咀。试验证明,改型后的燃烧室点火、火焰稳定性、燃烧效率、燃烧室总压损失、出口温度分布、冒烟和壁温等均达到发动机基本指标要求。

 
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