The Optimized Design of Reduced the Synthesized Energy Consuming of Acidic Water Steam Distillating Unit 降低酸性水汽提装置综合能耗的优化设计
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。
Quality of caustic soda was improved successfully, supersaturated salt was filtered, re-evaporation was reduced, evaporation process was optimized, production capacity was improved and consumption of steam was decreased. 成功地提高碱液质量,滤出过饱和盐,减少返蒸,优化蒸发工艺,提高生产能力,降低蒸汽消耗。
The loss of available energy in steam decompression process can be reduced, the waste heat from condensed water of steam system can be recovered, and the energy grade of the steam of second evaporation can be raised and used again in production. 减少蒸汽在减压过程中的有效能损失,回收蒸汽冷凝水系统排出的余热,使其二次蒸发汽升高能量品位后,再供生产使用。
To deal with the problem of ammonia volatilization incomplete and heat transfer coefficient reduced by secondary steam, the air stripping technology for ammonia volatilization in the production of potassium carbonate is put forward. 为了解决除氨不彻底,二次蒸汽使传热系数降低的问题,结合碳酸钾实际生产工艺,提出吹脱除氨工艺。
At the initial stage of steam drive, the concentrations of Cl~-, Mg~ 2+ and Ca~ 2+ are reduced sharply, which is the period of steam storage, well production output remains unchanged in the whole process. 注蒸汽初期,Cl-、Mg2+、Ca2+浓度急剧下降,该阶段是蒸汽驱的储备阶段,整个过程油井产量并不变化;
After retrofit, coal pulverizing system operates more flexible and reliability. The times of start, stop and switch are obviously reduced, the average temperature of reheating steam is increasing, This is benefit for safe and economic operation of boiler. 改造后,制粉系统运行更灵活可靠,启、停和倒换次数明显减少,再热蒸汽平均温度提高,有利于锅炉的安全经济运行。
Using equivalent heat drop principle a conclusion has been drawn that reheat units 'efficiency will be improved and coal rate will be reduced if reheat temperature is higher than main steam temperature. 运用等效热降法分析得出,再热温度高于新蒸汽温度,可使再热机组的效率提高,煤耗降低,因而又是必要的。
Under the condition of meeting demands from clients, heat-supply parameters are reduced as lower as possible so that coal consumption ratio will be decreased by applying lower pressure non-adjustable attracted steam to heat the feedwater. 提出在满足用户需要的情况下,应尽量降低供热参数,采用低压非调整抽汽做给水回热汽源等方式,使标煤耗率得到降低。
There was not obvious difference in catalytic performance and revulsive time when catalyst was reduced by H2 or methanol and steam vapor in oxidation reforming of methanol. 对甲醇催化氧化重整反应,用H2还原和用甲醇和水蒸汽还原所得催化剂的活性及反应诱导期基本相同;
Energy comsumption is reduced through reconfiguration of the steam condensate system, the improvement of operating level of the steam-driven air fan and the reduction of steam consumption in the production. 通过改善腈纶装置的蒸汽冷凝水系统、提高汽轮风机的运行水平、降低生产中的过量蒸汽消耗等措施,达到节能降耗目标,并提出了改进意见。
Multi-cylinder deep seam welding produced large widmanstaten organizations, which reduced the material structure uniformity. On the other hand, leak steam condensation in the layer clearances occurred, which produced stress corrosion cracking conditions. 多层包扎筒体深环焊缝焊接时产生了粗大魏氏组织,降低了材料的组织均匀性,而层板间隙的检漏蒸汽发生冷凝浓缩,产生了发生应力腐蚀的介质条件。
Besides, its five models of its typical operating conditions are reduced and simplified, on the basis of which the architecture and algorithm of the steam generator water level control system are designed. 本文分析了U形管蒸汽发生器水位特性,对其在五个典型工况下的模型进行了降阶和简化,在此基础上研究了蒸汽发生器水位控制系统的结构和算法设计问题。