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  2012  Vol.34 (Number 4)    Apr. 25, 2012
  Survey on Special Topics
  Research & Development
  Technical Exchange
  Energy Conservation & Environment Protection
  New Energy
 
 
 
 
Survey on Special Topics
 
 


1
XU Bin, TAO Aiping and LIU Xiaolei
  Technical solution of capacity expansion reformation for wet FGD system
    Abstract:Taking the capacity expansion reformation of a limestonegypsum wet FGD system in a 600MW coalfired power plant as example, a reformation scheme of desulphurization system under the conditions of limited construction site ...
    2012 Vol. 34 (4): 1-6 [Abstract ] ( 91 ) [HTML 0KB] [PDF 0KB ]( 0 )


7
WANG Gang, HUANG Rui and CHEN Fuguo
  Comparative analysis on selective catalytic reduction deNOx equipments with and without standby catalyst layer in coalfired power plant
    Abstract:The technical difficulty of deNOx system reformation project of coalfired power plant is larger, and its project cost is higher; so it was considered to cancel the standby catalyst layer in deNOx equipment. Ba...
    2012 Vol. 34 (4): 7-9 [Abstract ] ( 80 ) [HTML 0KB] [PDF 0KB ]( 0 )


10
GUO Haojie, YU Zhongong and HU Long
  Scheme of removing bypass dampers in wet FGD system and implementation
    Abstract:In the unit No.14 of Wangting Power Plant, the bypass dampers of the limestonegypsum wet FGD system had been removed. The removing scheme and implementation process of the bypass dampers were introduced. The problems existing...
    2012 Vol. 34 (4): 10-12 [Abstract ] ( 81 ) [HTML 0KB] [PDF 0KB ]( 0 )
Research & Development
 
 


13
LEI Qinghua
  Study on fracture toughness test of SUMITEN 950-TMCP highstrength steel welded joint
    Abstract:Based on the fracture toughness test of the SUMITEN 950-TMCP highstrength steel welded joint, the CTOD (Crack Tip Opening Displacement) values of the parent metal, the welded seam and the heataffected zone were measured res...
    2012 Vol. 34 (4): 13-17 [Abstract ] ( 93 ) [HTML 0KB] [PDF 0KB ]( 0 )


18
DING Yimin, CHENG Lin and DING Zhuuan
  Optimized design and schemes comparison of station auxiliary power system for 600MW level units
    Abstract:The optimized design of novel station auxiliary power system for the 600MW unit of a power plant was introduced. Design schemes have been analyzed and compared ，and the scheme suitable for the practical situation of the powe...
    2012 Vol. 34 (4): 18-22 [Abstract ] ( 66 ) [HTML 0KB] [PDF 0KB ]( 0 )


23
CHEN Junli and SHAO Yiming
  Study on thermal control design of air cooling system of thermal power plant
    Abstract:The general situation of the air cooling system was introduced. The design features of the air cooling system of 2×600MW unit in a power plant were analyzed. And then the structure and the function of the air cooling system,...
    2012 Vol. 34 (4): 23-25 [Abstract ] ( 65 ) [HTML 0KB] [PDF 0KB ]( 0 )


26
NIU Zhifeng and ZHANG Ping
  Influence of air fan 88VG on vibration of bearing No.3 of S109FA unit
    Abstract:The problem of bearing No.3 vibration in the S109FA unit manufactured by GE existed generally in operation of the domestic power plants. The features of the bearing No.3 vibration in operation of the S109FA unit in Jiangsu Huad...
    2012 Vol. 34 (4): 26-27 [Abstract ] ( 65 ) [HTML 0KB] [PDF 0KB ]( 0 )


29
SU Junhua, SHEN Yuhui, JIN Yingshan and REN Zhen
  Optimized operation of belt dewatering system
    Abstract:In the limestonegypsum wet FGD system of the 300MW unit of Hubei Huadian Huangshi Power Generation Company Limited, the experiment of operation frequency of the vacuum belt dewaterer had been carried out; and the influences...
    2012 Vol. 34 (4): 29-30 [Abstract ] ( 61 ) [HTML 0KB] [PDF 0KB ]( 0 )


31
WANG Bin, ZHENG Tao and LIU Zunping
  Operation mode optimization for water circulating system of 670MW unit
    Abstract:In a power generation company, some researches and tests were carried out for changing the operation mode of the circulating water system of two 670MW units over from the unit system to the expanded unit system. Based on the ...
    2012 Vol. 34 (4): 31-34 [Abstract ] ( 68 ) [HTML 0KB] [PDF 0KB ]( 0 )
Technical Exchange
 
 


35
LIN Xing
  Fault analysis and treatment of adjustment mechanism of adjustable movableblade axial flow fan
    Abstract:The abnormal situation of the movableblade adjustment of the adjustable movableblade axial flow forced draft fan and primary air fan in a 600MW unit boiler at long time operation was introduced. The fault phenomenon of th...
    2012 Vol. 34 (4): 35-38 [Abstract ] ( 75 ) [HTML 0KB] [PDF 0KB ]( 2 )


39
WANG Xiaoli
  Preventive measures of ‘four pipes’ leakage of boiler
    Abstract:In the installation and commissioning operation of the 1900t/h supercritical boiler of unit No.5 in Pingdingshan Yaomeng Power Plant, the ‘four pipes’ leakage was prevented successfully. Taking this project as example, th...
    2012 Vol. 34 (4): 39-41 [Abstract ] ( 67 ) [HTML 0KB] [PDF 0KB ]( 0 )


42
LI Xinjian and SANG Changong
  Realization of automatic oil feeding for stable combustion in supercritical unit
    Abstract:The oil feeding situations of supercritical unit under different load conditions (the runback is excepted.) were analyzed. According to practical situation, the judgment signal of ‘accident trip’ of the coal mill and the freq...
    2012 Vol. 34 (4): 42-44 [Abstract ] ( 68 ) [HTML 0KB] [PDF 0KB ]( 0 )


45
HUANG Yanhang
  Analysis on reasons of higher mass fraction of combustible matter in fly ash of flue gas of coalfired boiler and countermeasures
    Abstract:The mass fraction of the combustible matter in fly ash greatly influences on the economic efficiency of the coalfired unit. In the heat loss of the boiler, the heat loss caused by mechanically incomplete combustion is about 2...
    2012 Vol. 34 (4): 45-46 [Abstract ] ( 68 ) [HTML 0KB] [PDF 0KB ]( 0 )


47
CHEN Lihi, DONG Wei and LIU Dehui
  Analysis on reason of burning loss of rotor slip ring in 300MW generator
    Abstract:The reason of burning loss of the rotor slip ring in the 300MW generator was analyzed. The improvement suggestion for twopoint earthed fault protection of the generator rotor was offered; and some response measures for prev...
    2012 Vol. 34 (4): 47-49 [Abstract ] ( 79 ) [HTML 0KB] [PDF 0KB ]( 0 )


50
WU Qiang
  Tinyoil ignition reformation of 600MW supercritical unit
    Abstract:The tinyoil ignition system reformation had been accomplished in a power plant. The application situations of the tinyoil ignition system in the cold start, the hot start and lowload stable combustion operation of the boi...
    2012 Vol. 34 (4): 50-52 [Abstract ] ( 64 ) [HTML 0KB] [PDF 0KB ]( 0 )


53
WEN Bisheng
  Analysis and treatment of abnormal operation of bus
    Abstract:The busbar is main device to constitute the main electric connection of the power plants and substations; and the fault of busbar will lead the power outage in part or whole of the station. The reasons of common faults of the b...
    2012 Vol. 34 (4): 53-55 [Abstract ] ( 63 ) [HTML 0KB] [PDF 0KB ]( 0 )


56
CHEN Wei and LIN Fei
  Analysis on reason of damage of deexcitation resistor in excitation system
    Abstract:Since the unit No.1 of Huadian Fujian Shaxian Chengguan Hydropower Company Limited was put into operation, the deexcitation resistor was damaged first time. Aiming at the happened problem, the reason of the fault was analyzed. ...
    2012 Vol. 34 (4): 56-57 [Abstract ] ( 58 ) [HTML 0KB] [PDF 0KB ]( 0 )


58
WANG Jianghong
  Analysis on reason of refusing to act of electromagnetic valve in emergency tripping system of steam turbine
    Abstract:In a 600MW unit, the electromagnetic valve refused to act, which caused that the pressure of fireresistant oil could not relieve, and the steam turbine could not stop，and this brings potential safety hazard for unit reliab...
    2012 Vol. 34 (4): 58-59 [Abstract ] ( 62 ) [HTML 0KB] [PDF 0KB ]( 0 )
Energy Conservation & Environment Protection
 
 


60
LIU Hongu, WANG Liing and ZONG Yania
  Application of highvoltage variable frequency technology in energysaving reformation of condensate pump of 1000MW unit
    Abstract:Aiming at the requirement of energysaving and consumption reducing for modern large thermal power units, in the Huadian International Zouxian Power Plant, the variable frequency speed regulation reformation of two condensate ...
    2012 Vol. 34 (4): 60-63 [Abstract ] ( 68 ) [HTML 0KB] [PDF 0KB ]( 0 )


64
BAI Xueli, AN Huiong and LI Libo
  Detection and analysis of energy consumption of air compressor
    Abstract:Based on the calculation and comparison of operation cost of the air compressor, the importance and the necessity of the energy conservation for the air compressor were explained. The specific power was used as an indicator to ...
    2012 Vol. 34 (4): 64-66 [Abstract ] ( 60 ) [HTML 0KB] [PDF 0KB ]( 0 )
New Energy
 
 


67
LI Qiangqiang
  Research on application mode of gridtied microgrid matchable with wind farm
    Abstract:The application of the microgrid in wind farm can reduce the service power rate of the wind farm and ensure the reliability of the power supply effectively, which is of realistic significance for the safe, stable, economical ...
    2012 Vol. 34 (4): 67-70 [Abstract ] ( 60 ) [HTML 0KB] [PDF 0KB ]( 0 )


71
MA Yuling, , LIU Baohu and LIAO Hongtao
  Settings matching up method for wind turbine generator system after connecting into 110kV grid
    Abstract:After the wind farms with low voltage ride through (LVRT) capability are connected into power system, in the settings calculation of the farms, it is unable to consider the wind farms as a simple load system. Taking the setting...
    2012 Vol. 34 (4): 71-72 [Abstract ] ( 66 ) [HTML 0KB] [PDF 0KB ]( 0 )


73
YU Liani, ZHANG Jinhuan and ZHAO Jing
  Design of simulating testing system for main control system of wind turbine generator system
    Abstract:Aiming at the difficulties that the main control system of wind turbine generator system is short of effective testing method at present，a design method of a simulating testing system for main control system of wind turbine ...
    2012 Vol. 34 (4): 73-75 [Abstract ] ( 63 ) [HTML 0KB] [PDF 0KB ]( 0 )
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