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天然气锅炉     
相关语句
  natural gas boiler
     THE APPLICATION OF COKE OVEN GAS IN THE DZS_4-1. 27-Q NATURAL GAS BOILER
     焦炉煤气在DZS_4-1.27-Q型天然气锅炉上的应用
短句来源
     The recovery condensation heat scheme,natural gas boiler scheme and electrical boiler scheme for preparing domestic hot water are compared economically.
     对制备生活热水的冷凝热回收方案、天然气锅炉方案、电锅炉方案的经济性进行了比较。
短句来源
     Based on the foundation principles of energy saving and desulfurization, experimental researches on heat transfer and desulfurization of this installation were performed on 81. 4KW natural gas boiler experimental rig.
     本文介绍了该装置节能及脱硫的基本原理,利用81.4KW天然气锅炉实验系统对装置的传热和脱硫特性进行了研究。
短句来源
     ③ Carried out the cost-benefit analyses for the heating of coal burning boiler and natural gas boiler, estimated the economic damage from the atmosphere pollution, calculated thedifferences between the actual pollution charges and the theoretical pollution charges of the main atmosphere pollutants, analyzed the economical mechanisms of atmosphere pollution.
     ③对燃煤锅炉与天然气锅炉供暖进行了费用-效益分析,估算出大气污染经济损失,计算了主要大气污染物实际排污收费与理论排污收费之间差异,分析了大气污染产生的经济原因。
短句来源
     From the comparisons of central heating of power plant and dispersed heating of domestic natural gas boiler in the field of investment and heating cost, the author gives the judgment for heating methods.
     从一次性投资和取暖费用等方面对采用电厂热源实行集中供热与家用天然气锅炉分户供热进行了分析比较,为供热方案的确定提供决策依据。
短句来源
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  natural gas-fired boiler
     Compared with heating system by oil-fired boiler in single building, heating system by natural gas-fired boiler in single building and electric heating system, the floor radiant heating system by wall-mounted gas water heater as heat source has the highest cost of construction, but the lowest annual operation cost.
     与燃油锅炉单体建筑物供暖系统、天然气锅炉单体建筑物供暖系统、电供暖系统相比,以壁挂式燃气热水器为热源的地板辐射供暖系统的工程造价最高、年运行费用最低。
短句来源
  natural gas fired boiler
     Economical Evaluation of Retrofitting Natural Gas Fired Boiler into Condensing boiler
     天然气锅炉改造为冷凝式锅炉的经济性评价
短句来源
  gas boiler
     THE APPLICATION OF COKE OVEN GAS IN THE DZS_4-1. 27-Q NATURAL GAS BOILER
     焦炉煤气在DZS_4-1.27-Q型天然气锅炉上的应用
短句来源
     A Project of Energy-saving Control on Gas Boiler Combustion System
     天然气锅炉燃烧系统节能控制方案
短句来源
     The recovery condensation heat scheme,natural gas boiler scheme and electrical boiler scheme for preparing domestic hot water are compared economically.
     对制备生活热水的冷凝热回收方案、天然气锅炉方案、电锅炉方案的经济性进行了比较。
短句来源
     Based on the foundation principles of energy saving and desulfurization, experimental researches on heat transfer and desulfurization of this installation were performed on 81. 4KW natural gas boiler experimental rig.
     本文介绍了该装置节能及脱硫的基本原理,利用81.4KW天然气锅炉实验系统对装置的传热和脱硫特性进行了研究。
短句来源
     The task of gas boiler combustion control system is energy-saving, atmosphere improvement in boiler chamber and reducing pollution.
     天然气锅炉燃烧控制系统的任务是节约能源、改善炉内气氛、减少环境污染。
短句来源
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      natural gas boiler
    A brief summary of the sensitivity results from the natural gas boiler scenario, which delivered the most favorable results, is explained below.
          
    Co-firing in coal/oil or natural gas boiler with advance steam condition is also promising since it almost reach the same level of efficiency.
          
    Individual coal boilers were added to the inventory from the ICCR and ICI databases and these were subtracted from the natural gas boiler numbers.
          
    In the other, the plant uses a natural gas boiler and sells the lignin byproduct.
          
    Process electricity is taken from the power line, process heat is produced with a natural gas boiler.
          
    更多          
      natural gas fired boiler
    In the experiments, the air-steam mixture is used to simulate the flue gas of a natural gas fired boiler, and the vapor mass fraction ranges from 3.2 to 12.8%.
          
    It was assumed in Table VII that the steam would be provided by natural gas fired boiler with a boiler efficiency of 85 percent.
          
    Steam for the pelleting operation is provided by a 500 hp natural gas fired boiler.
          
      gas boiler
    A multifunctional system for gas removal was tested on various sources of exhaust (internal combustion engine, brown coal boiler, bituminous pulverised coal boiler, gas boiler, glass oven, VOC sources) in full-scale or by-pass gas flow volumes.
          
    A mini-type gas boiler was used to act as auxiliary heat source.
          
    A brief summary of the sensitivity results from the natural gas boiler scenario, which delivered the most favorable results, is explained below.
          
    By adding an optional gas boiler to the AC package, hot or chilled glycol/water can be provided to handle cooling and heating needs.
          
    Co-firing in coal/oil or natural gas boiler with advance steam condition is also promising since it almost reach the same level of efficiency.
          
    更多          


    With the object of examining the high temperature corrosion damage of seven conventional cast superalloys, the experiments were made of the exposure of representative specimens to burning natural gas in the steam boiler combustion chamber under temperature between 700—850℃ for a long-term up to 13000h. The following observations with specimens have been done: macro-and micro-metallography, weight changes, X-ray diffraction analysis, EPMA, glow discharge emission spectroscopy, etc. The alloy K18 was corroded...

    With the object of examining the high temperature corrosion damage of seven conventional cast superalloys, the experiments were made of the exposure of representative specimens to burning natural gas in the steam boiler combustion chamber under temperature between 700—850℃ for a long-term up to 13000h. The following observations with specimens have been done: macro-and micro-metallography, weight changes, X-ray diffraction analysis, EPMA, glow discharge emission spectroscopy, etc. The alloy K18 was corroded seriously to swell and to crack; K3 and K19 appeared with some small protuberances; and the rest suffered corrosion slightly. These alloys in sequence of resistance to corrosion damage seem to be as follows: FSX414, M38, 537, K17G, K3, K19, K18. Their corrosion behaviour have also been discussed in detail. The presence of Cr,Ti,Al enriched layer in the oxidizing scale is regarded as an important factor for their resistance to high temperature corrosion.

    几种常用的铸造高温合金在燃烧天然气的锅炉里于700—850℃之间进行了长达一万三千小时的高温腐蚀试验。结果指出:K18合金发生严重的肿胀开裂;K3与K19合金则在表面上形成一些小凸包;其余的合金受腐蚀程度则较轻微。它们的抗蚀性能优劣顺序如下:FSX414,M38,537,K17G,K3,K19,K18。对产生的腐蚀现象与过程进行了详细地讨论,并且指出,合金表面氧化层中富Cr,Ti,Al层的存在是它具有良好的抗高温腐蚀能力的一个重要因素。

    In operation of the thermal power plants,the prob-lems of the burners and furnaces fired—coal/petroleum/natural gas occured so frequent that the safe operation ofthe plants was affected seriously.The paper induces,sortsout and summerises various problems and relative solvingmeasures in accordance with both a number of operatingexperiences at home and abroad and the current imforma-tion of analyzing failures.It is of practicality and referencevalue.

    在火电发电厂运行中,燃用煤炭、石油和天然气的锅炉烧烧器和炉膛发生的问题最多,涉及到的问题最广,给电厂安全运行的影响也较大.当前,随着我国国民经济的高速发展,大批火力发电机组的投运,这类问题就更加突出。本文根据国内外火力发电厂的大量运行经验以及近年来电厂锅炉烧烧器和炉膛发生过的事故分析资料,较全面地归纳、整理、总结出各类燃烧器和炉膛在运行中发生的各种各样的问题及相应采取的处理措施,无疑对杜绝这类事故,提高电厂的安全可靠性和运行经济性将有较大的实用性,同时,对电力设计院和锅炉厂的工程技术人员也都有一定的参考价值。

    The task of gas boiler combustion control system is energy-saving, atmosphere improvement in boiler chamber and reducing pollution. The ratio of air to gas which is the key of combution quality control can be realized high-precisely during load disturbance by two cross limit range to prevent its maladjustment in the dynamic process. Modifying the ratio of air to gas by testing the content of oxygen in smoke, good control effect can be obtained.

    天然气锅炉燃烧控制系统的任务是节约能源、改善炉内气氛、减少环境污染。合理的空/燃比是控制燃烧质量的关键。双交叉限幅可以在负荷扰动时得到高精度的空/燃比,从而避免了动态过程中空/燃比失调。通过检测烟气中的氧含量来修正空/燃比可以收到更好的控制效果。

     
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