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Please wait a minute... For Selected: Download Citations EndNote Ris BibTeX Toggle Thumbnails Select Realization of turbine governing valve calibration using Ovation system in operator workstation GUO Bochun;XIAO Sheng Huadian Technology    2011, 33 (1): 5-8.   Abstract （1576）            Knowledge map    Save In the Ovation DCS, using the graphic language configuration, the calibration of the turbine governing valve servo system was realized in operator workstation. The method of the governing valve calibration and the matters needing attention were expounded. The method may be used as reference for the enterprises of the power generation, the steel smelting and the chemical industry, in which the Ovation system was used. Related Articles | Metrics Cited: Baidu(894) Select Optimization of equipment control scheme for flue gas desulphurization system ZHOU Genlai;LI Chaoqiong;ZHAO Xinhong Huadian Technology    2011, 33 (6): 72-74.   Abstract （1289）            Knowledge map    Save The main equipments of flue gas desulphurization system and their control tasks were introduced. Some control schemes for the oil station of booster fan, the seal fan and the heater were expounded. The control scheme of bypass damper of desulphurization equipment was put forward, in which the adjustable type driving device and the switchtype driving device are combined. These schemes can be used as reference for similar flue gas desulphurization systems. Related Articles | Metrics Cited: Baidu(105) Select Treatment of asynchronous motor vibration fault caused by temperature rise HUANG Jian Huadian Technology    2010, 32 (11): 44-46.   Abstract （1492）            Knowledge map    Save The process of an asynchronous motor vibration fault caused by temperature rise in a bump station and its treatment were expounded. A conclusion was obtained that the allowable temperature and the temperature rise of the motor stator/rotator are not only associated with the insulation class, but also restricted by the thermal expansion of the stator/rotator or the air gap.  Related Articles | Metrics Cited: Baidu(62) Select Technical reformation of the final reheater of a boiler LIU Ligang;GUO Jingling;YAN Changyou Huadian Technology    2011, 33 (2): 22-23.   Abstract （1223）            Knowledge map    Save The crack and leakage problems of the ‘four pipes’ of boiler No.3 in Heilongjiang Huadian Fulaerji Power Generation Company Limited were analyzed technically. The pipeline design was optimized, and the relevant technical reformation was implemented. The reheater operates safely and reliably. Related Articles | Metrics Cited: Baidu(59) Select Theoretical analysis and calculation of deep reducing outlet gas temperature of power boilers HUANG Xinyuan;SUN Fengzhong Huadian Technology    2010, 32 (10): 28-30.   Abstract （1561）            Knowledge map    Save The concept of deep reducing the outlet gas temperature was introduced. The internal relation between the deep reducing the outlet gas temperature and the chimney corrosion prevention was analyzed. The evaluation of the additional cold source loss of the steam turbine in the deep energysaving system was discussed; and the key technology of heating surface corrosion prevention design was researched, here the corrosion is caused by the lower outlet gas temperature. It was pointed out finally that the scheme of deep reducing outlet gas temperature must be formulated according to the practical situation of the unit to get the maximum of the increased electricity. Related Articles | Metrics Cited: Baidu(20) Select Present situation and development of tiny-oil ignition technology for power station boiler YAO Wen-da[] LI Shuo[] GUO Xiu-feng[] Huadian Technology    2008, 30 (1): 14-18.   Abstract （1457）            Knowledge map    Save Related Articles | Metrics Cited: Baidu(19) Select Situation and development of solar photovoltaic power generation industry LüBei;QIU Hemei;ZHANG Yu Huadian Technology    2010, 32 (1): 73-76.   Abstract （1710）            Knowledge map    Save The situation of solar photovoltaic power generation market and the development history of solar photovoltaic industry were described. The technique of solar photovoltaic cell and the policies of countries in promoting the development of photovoltaic power generation industry were introduced. The domestic photovoltaic power generation prospect was surmised. Related Articles | Metrics Cited: Baidu(18) Select Study on micro sitting of wind farm BAI Shao-tong;HU Xiao-chun;CHEN Xian-yang;GE Wen-gang Huadian Technology    2008, 30 (3): 73-76.   Abstract （2721）            Knowledge map    Save The wind farm sitting is the primary work in the construction of wind-electric power plant, it includes macro and micro sitting. Macro sitting is the major work at the stage of prophase planning which need to evaluate the wind energy resource by using the data collected from local weather stations and consider the power network, transportation, geology etc. While micro sitting is the main work at the stage of design, at this stage the site of every unit will be fixed according to the distribution map of wind energy resource and correlative restrictive conditions so that the demand of the client and the relevant departments can be satisfied and the better economic and social benefit of the wind farm can be gained. In this paper the sitting process was introduced and the suggestions were proposed based on one coastal wind farm. Related Articles | Metrics Cited: Baidu(17) Select Development and main problems of solar thermal power generation technology SU Jianfeng;LI Heping;YUN Xiaoyin;ZHAO Yuanhua Huadian Technology    2009, 31 (4): 78-82.   Abstract （1746）            Knowledge map    Save Integration principle and characteristics of solar thermal power generation system were analyzed. Principles of parabolic tough type, tower type and dish type solar power generation system were introduced. The development situation and main problems of the three solar thermal power generation technologies were also expounded. Related Articles | Metrics Cited: Baidu(14) Select Application and introduction of hybrid SNCR-SCR denitrification technique LI Xiao-yun;CAI Xiao-feng Huadian Technology    2008, 30 (3): 22-25.   Abstract （2625）            Knowledge map    Save Hybrid SNCR-SCR denitrification technique is a new and mature process which combines the higher efficiency of SCR and the lower cost of SNCR. The characteristics of hybrid SNCR-SCR de-NOX process, and compares it with SCR process and SNCR process technically and economically ware introduced. It has been certificated by the practice that the hybrid SNCR-SCR de-NOX process can keep high efficiency with lower coast by eliminating the ammonia injection grid (AIG) and decreasing catalytic volume, therefore it’s a flue gas treatment technology on which should be pay attention. Related Articles | Metrics Cited: Baidu(14) Select Clean and highly effective coal-fired power generation technology in China HUANG Qi-li Huadian Technology    2008, 30 (3): 1-8.   Abstract （2466）            Knowledge map    Save China economic take-off promotes the power industry’s rapid growth, but the power shortage and the environment protection pressure put forward the higher demands on it. Now power industry is exposed to the challenge of exorbitant energy consumption, heavy environmental stress, resource saving, coordinated development，and adjustment of energy structure, while electrical power technical upgrading and development provide the basis for solving these problems. At the present stage, many supercritical units, ultra supercritical units, GTCC, IGCC, large capacity air-cooled units have been adopted and home-made, renewable energy is rapidly developing. Waste combustion gases and waste heat are effectively utilized. The relevance policy is implementing. All of these will provide support for the power industry’s development in the way of scientifically, coordinately, rapidly, efficiently and ordinarily. Related Articles | Metrics Cited: Baidu(13) Select Analysis on key technologies of flue gas denitration using selected catalytic reduction method ZHANG Jie;MA Junbiao;HU Yongfeng;ZHANG Yang Huadian Technology    2010, 32 (12): 71-74.   Abstract （1537）            Knowledge map    Save The present situation of flue gas denitration market of our country was analyzed. The key technologies of SCR denitration process were expounded, which include the selection of ammonia injection device, the simulation experiment of flow field, the design of SCR reactor, the design of denitration gas duct and ash hopper, the selection of catalyst type, the denitration system debug, the operation, maintenance and management of the denitration system. Aiming at the domestic denitration project construction, several suggestions were put forward. Related Articles | Metrics Cited: Baidu(11) Select Application of desulphurization synergist in thermal power plants PENG Guiyun;ZHU Yue;GAO Zhenglai;CHENG Xueshan;SONG Guangtian Huadian Technology    2011, 33 (7): 65-67.   Abstract （1165）            Knowledge map    Save The experiment of using desulphurization synergist in 600MW unit desulphurization equipment of a power plant was introduced. Originally, it was necessary to run three slurry circulating pumps to make the SO2 emission concentration can meet the requirement of related standard. After the desulphurization synergist had been used, the desulphurization efficiency was increased obviously, and only two slurry circulating pumps must be run for the same target; the electric energy consumption was decreased by 951kW·h in a hour. After the desulphurization synergist had been used, the characteristics of the slurry in FGD system and the desulphurization gypsum does not vary obviously; especially, the mass fraction of Cl- and the pH value do not vary obviously, which shows that the desulphurization synergist would not enhance the corrosion of the system, and it would not influence on the gypsum quality too. So, the using of desulphurization synergist has obvious economical benefit and social effect, and does not cause negative influence on the desulphurization system. Related Articles | Metrics Cited: Baidu(10) Select Application of wastewater evaporation concentration technology in desulphurization wastewater treatment WU Zhiyong Huadian Technology    2012, 34 (11): 63-66.   Abstract （747）            Knowledge map    Save The reverse osmosis concentration method and the crystal seed process are desulphurization wastewater subsequent depth treatment methods commonly used at present, but the treatment results of the methods are not so ideal. A composite method, which include pretreatment softening + mechanical steam recompression cycle evaporation + trieffects mixed flow forced circulation evaporation crystallization + centrifugal drying package technology, was adopted; and the disadvantages of the commonly used methods were improved. In this composite method, the wastewater will be treated by softening, evaporation, crystallization, drying and packaging, and will be emitted as steam or will be closed and buried as sewage sludge at last. This method with zero discharge of the liquid wastewater has favorable social and economical benefit. Related Articles | Metrics Cited: Baidu(9) Select Further consideration on the development of IGCC technology in China <TBODY jQuery0= Huadian Technology    2008, 30 (4): 1-9.   Abstract （1280）            Knowledge map    Save Related Articles | Metrics Cited: Baidu(9) Select Improvement on measuring system on primary air flow of coal mill TAN Jie Huadian Technology    2008, 30 (2): 62-63.   Abstract （2249）            Knowledge map    Save After the unit put into production, auto adjusting equipment of primary air flow of coal mill could not run normally. By improving the measuring system of primary air flow, the system could run normally . The special air flow measurement instrument was introduced from the point of choosing air flow measurement equipment, and the transformation experience was summarized. Related Articles | Metrics Cited: Baidu(9) Select Performance analysis of T91/P91 steel and welding technology LOU Jieyun Huadian Technology    2010, 32 (4): 35-38.   Abstract （1577）            Knowledge map    Save It is selfevident that the metal material is very important for thermal power plants, it influences directly the unit service life and safety and economical operation. The chemical composition and main physical property of T91/P91 steel were introduced, and the mechanical property and oxidation corrosion resistance were analyzed. The welding technology and method of T91/P91 steel were given, and some problems needing further research were pointed out. Related Articles | Metrics Cited: Baidu(9) Select The use and economical value of pumped storage power station in operation of electric grid ZHANG Zhenling; CAI Zhenkun Huadian Technology    2008, 30 (11): 1-3.   Abstract （1697）            Knowledge map    Save Aiming at the operation features of pumped storage generator set and principle of economical dispatch,the use of pumped storage power station in operation of electric grid was analyzed,which includes peak regulation,frequency regulation,phase regulation,backup for accident,stabilization of grid voltage and others,and these are helpful to relieve of peaking load for thermal power units,to ensure stable and economical operation of thermal power units and nuclear power units and to ensure stability and safety of power grid.The value of the pumped storage station in electricity market was analyzed too. Related Articles | Metrics Cited: Baidu(8) Select Application of fiberglass reinforced plastics flue in flue gas cooling tower JIANG Dagang Huadian Technology    2009, 31 (11): 72-76.   Abstract （1937）            Knowledge map    Save The development of the flue gas cooling tower at home and abroad was introduced. The technology process of the flue gas cooling tower and the design parameters of the flue gas of 2×350MW heat supply units in Huadian Tianjin Junliangcheng Power Generation Corporation Limited project phase V were discoursed. The selection of the fiberglass reinforced plastics flue, the performance of the fiberglass reinforced plastics flue and the technology requirement for fiberglass reinforced plastics flue manufacturing were expounded emphatically. The fiberglass reinforced plastics flue application experience of Huadian Tianjin Junliangcheng Power Generation Corporation Limited can be used as reference for the power plants using similar fiberglass reinforced plastics flue in their cooling tower. Related Articles | Metrics Cited: Baidu(8) Select Exploration of the waste heat boiler technology on IGCC power generation ZHUANG Guang-quan Huadian Technology    2008, 30 (2): 29-33.   Abstract （2289）            Knowledge map    Save The waste heat boiler is key equipment in gasification unit of IGCC power plant. The whole system efficiency can be improved by adopting the waste heat boiler to recover the heat of syngas. The waste heat of the boiler has three characteristics, high temperature, high pressure and strong reduction. Some problems must be pay more attention to solve , such as temperature corrosion, seal, and slag discharge for The radioactive waste heat boiler and fouling, plug and wear for the convection waste heat boiler .The key issues for research and design of waste heat boiler were summarized and analyzed, and the related methods were proposed. Related Articles | Metrics Cited: Baidu(8)