英文摘要

英文摘要

2016－10－05 600 MW direct air cooling unit steel structure small machine indirect cooling tower resistance characteristic simulation

WANG Lin，YANG Bo，PU Jianguo，GUO Sanhu，LIU Aijun，ZHAO Ruyu，SONG Xiaohui，KANG Jialin

（Xi’an Thermal Power Research Institute Company Limited，Xi’an 710054，China）

Abstract：To study steel structure small machine indirect cooling tower resistance character，a power plant’600 MW direct cooling unit was taken as study object.Using ICEM－CFD and Meshing software to complete the grid division，the use of Fluent software to calculate the model throughout the flow characteristics，by using fluid mechanics formula modeling，resistance factor was calculated by ANSYS.The result indicated that throat position has largest negative pressure and largest air flow.Resistance factor atXcolumn is smaller than at tower body.Bending position has largest resistance factor.Resistance factor at tower body decreases with Reynolds Number increases.

Keywords：600 MW unit；water supply steam turbine；steel structure indirect cooling tower；resistance character

2016－10－09 Design of electrical mimic panel software based on Visual Basic.NET

LIN Chong，CHEN Hao

（Hangzhou Huadian Xiasha Cogeneration Company Limited，Hangzhou 310018，China）

Abstract：For safety reason，a power plant need an electrical primary mimic panel for operating.Existing mimic panel are made from mosaic jointed panel，which are big，expensive and difficult to maintenance.Thus，a self-developed Visual Basic.NET based electric primary mimic panel was raised.The research and develop process and improvement direction was introduced.

Keywords：Visual Basic.NET；dynamic link library；extensible markup language；mimic panel

2016－10－13 Hydropower station steel WSD690E strength welding study and application

YANG Chunguo

（SINOHYDRO Bureau 6 Company Limited MechanicalandElectricalInstallationBranch，Dandong 180012，China）

Abstract：By analyzing Jiangxi Hongping Pumped Storage Power Station 800 MPa grade steel application，this paper introduced the welding process and performance of domestic 800 MPa grade high strength pressure while manufacturing.Through the existing problems，transverse crack causes were analyzed.Solution was provided.

Keywords：800 MPa grade high strength steel；welding process；transverse crack；cause analysis；treatment

2016－10－17 Circulating fluidized bed boiler blended combusting high calcium coal gangue desulfurization performance test

REN Qingjie1，NIU Yongjun2

（1.Huadian Shanxi Power Company Limited，Xi’an 710032，China；2.Xi’an Thermal Power Research Institute Company Limited，Xi’an 710032，China）

Abstract：The test of circulating fluidized bed boiler to blend firing different kind of coal or different kind of coal gangue was introduced.The result indicated that self-desulfurizing performance is obviously different while blending gangue with different calcium content，higher gangue calcium content，better self-desulfurizing performance.To blend firing high calcium content gangue will remarkably increase boiler self-desulfurizing performance.For power plant firing high calcium content and low sulphur content coal，to blend high calcium content gangue will increase overall desulfurization efficiency and reduce SO2emission.

Keywords：circulating fluidized bed boiler；high calcium coal gangue；blend；desulfurization performance

2016－10－20 Automatic generation control optimization of gas-steam combined circulating generation unit

WANG Jiqiang，LIU Yafeng

（Huaneng Taiyuan Dongshan Gas Thermal Power Generation Company Limited，Taiyuan 030000，China）

Abstract：Specific requirements to regulation performance of automatic generation control（AGC）of power unit are proposed by the“two rules”of North China Grid Company Limited.For the problems of low load change rate and low load response speed of AGC existed in a certain F class two-on-one gas-steam combined circulating generation unit，a proportion integration differentiation（PID）control of variable parameters is added in the power control circuit of steam turbine，and a threshold method is adopted in the power and speed limiting circuit of AGC，which improved the load change rate and load response speed of steam turbine unit.After that，it meets the examination requirements of AGC under the premise of guarantee the safe and stable operation of unit.

Keywords：gas-steam combined circulating generation unit；twoon-one；automatic generation control；proportion integration differentiation control；threshold method

2016－10－22 Application of the system of low temperature economizer with steam-air heater on 300 MW power unit

QI Linhu1，HUANG Xinyuan2，LIU Hongying1

（1.Shan dong Hong’ao Power Technology Company Limited，Jinan 250101，China；2.School of Energy and Power Engineering，Shandong University，Jinan 250100，China）

Abstract：For a certain 300MW power unit，the designed system of low temperature economizer with steam-air heater could realize the combining waste heat utilization of turbine and boiler，which recover waste heat of flue gas to heat condensation water of steam turbine and cold air at boiler side.After the system put into operation，the boiler thermal efficiency and the circulating heat efficiency are both improved at the meantime，and the full load power generationcoalconsumptionisreducedto3.02 g/（kW·h）.Besides，the system also could reduce the lowtemperature corrosion at the cold side and ash blocking of air preheater，control the pressure drop at flue gas side of air preheater，and improve the electrostatic precipitator efficiency.At the end of this paper，the countermeasures for existing problems in the system operation are proposed.

Keywords：low temperature economizer；steam-air heater；air preheater；thermal efficiency；power generation coal consumption

2016－10－25 Implementation of a kind of boiler economizer automatic air exhausting device

SHI Lei

（Beijing Jingqiao Thermal Power Company Limited，Beijing 100067，China）

Abstract：This paper introduced a kind of boiler economizer automatic air exhausting device，which consists of measuring gauge，remote valve and control device.This device archived to automatically exhaust air from boiler economizer，and will increase the atomization level of whole unit，reduce personal，and save energy.

Keywords：boiler economizer；automatic air exhausting device；energy saving

2016－10－28 Bangladesh Bibiyana Power Station gas-steam combined cycle pipe blowing process analysis

MA Chengjiu1，LI Peng2，WANG Guofeng2

（1.Northeastern Electric Power Research Institute，Shenyang 110006，China；2.Liaoning Dongke Power Company Limited，Shenyang 110179，China）

Abstract：Before the first start and first pipe blowing of waste heat boiler，by adjusting the angle of inlet guide vane（IGV）of gas turbine，the boiler temperature archived 370℃.The air source for pipe blowing was steam produced by boiler itself.Stable-reduce pressure combined procedure was implemented on boiler overheater，reheater and high，middle and low pressure steam pipeline.This paper specifically introduced the pipe blowing plan，process and problems.

Keywords：combined cycle；exhaust gas temperature；IGV angle；blowpipe

2016－10－31 Application of sleeve-type flowmeter in technical water supply system of hydropower plant

LI Shizhao，LI Tao

（Yunan Huadian Ludila Hydropower Company Limited，Dali 671611，China）

Abstract：For the technical water supply system of power unit in Yunan Huadian Ludila Hydropower Company Limited，a large number of plug-in flowmeters are allocated.And the success rate of unit automatic start up is decreased because of the single function，unstable quality and large operation maintenance workload of plug-in flowmeters.Through analysis and demonstration，some measurements are adopted to ensure the safe and stable operation of generating unit.The first one is removing unnecessary flowmeters，the second one is replacing the plug-in flowmeters by sleeve-type flowmeters，which have the advantages of high response sensitivity，high measurement accuracy，good stability and simple installation technology，and the last one is simplifying and optimizing the operation success conditions of technical water supply of power unit，which could shorten the startup time of hydro-generator unit.

Keywords：hydropower plant；technical water supply system；sleeve-type flowmeter

2016－10－33 Research and problem analysis of mobile testing technology at the scene of ammonia escape

CHENG Jinwu

（Datang Central-China Electric Power Test Research Institute，Zhengzhou 450000，China）

Abstract：After the ultra-clean emission transformation of coalfired power unit，the amount of ammonia-injected of denitrification system and mass concentration of regional ammonia escape were both increased.In order to conduct the ammonia-injected optimization test based on the concentration field of ammonia escape，the regional real-time mass concentration test of ammonia escape is necessary.Combined with a large number of testing experiences，this paper analyzes the problems of the M－NH3portable ammonia escape analyzer that appeared in the field test，such as the light path correction，weak spectral signal，filter clogging，electrostatic interference，ammonium sulfate deposition，and the pollution of reflection probes and optical components，etc.After that，this paper summarizes the instrument maintenance measures，which improves the accuracy and stability of ammonia escape test.

Keywords：denitrification system；ammonia escape；portable analyzer；spectral signal；reflection probe

2016－10－37 Thermal power plant high pressure water supply pipe vibration diagnostic and treatment

HU Xin，LIU Ming

（China Huadian Electrical Power Technology Research Institute，Hangzhou 310030，China）

Abstract：Based on the incident of a power plant’s high pressure water supply pipe vibration，by study vibration formula，combined with macroscopic observe，vibration test，simulation analysis and other methods，utilizing rigid limit，hydraulic damper and viscous fluid damper，a pipe vibration control method was established.Which could be referred for thermal power plant pipe vibration treatment.

Keywords：high pressure water supply pipe；vibration；measure；damper

2016－10－40 Treatment to increase 1050MW unit steam-water SiO2mass concentration test analysis accuracy

PAN Lina

（Huadian Laizhou Power Plant Company Limited，Yantai 261400，China）

Abstract：Ultra-supercritical requires high quality water vapor.SiO2contains is very low.The tolerance of existing spectrophotometry method to measure SiO2content is very big.So that，it is difficult to monitor the varying of SiO2content.Take a 1 050 MW ultra-critical one-through unit as example，this paper examined the tolerance causes from drug，method，environment and instrument.Test operation and procedure was improved.SiO2mass concentration accuracy was significantly increased.

Keywords：silicon dioxide；spectrophotometry；accuracy

2016－10－44 Power plant coal bunker dust cause analysis

YANG Beibei，MA Ruitao

（Zhengzhou GLTECH Company Limited，Zhengzhou 450000，China）

Abstract：This paper introduced the structure of coal bunker and cola handling system operation of Huadian Xinxiang Power Plant Company Limited.Dust causes were comprehensively analyzed.Position，form and mass concentration of dust was determined.Which are reliable basis for dust treatment and working environment improvement.

Keywords：power plant；coal handling；coal bunker；dust pollution；dust removal

2016－10－47 Reason analysis of coal storage sliding of ring-type coal feeder silo and its preventive measures

LIN Maohui

（Huadian Zhengzhou Mechanical Design Institute Company Limited，Zhengzhou 450015，China）

Abstract：For a ring-type coal feeder，which is widely used in coal storage silo system，its design should be optimized to avoid silo sliding under the condition of ensuring the stable operation and output of equipment.This paper analyzes the reason of coal storage sliding of ring-type coal feeder silo，and proposes a solution of adding wear-resisting plate on the edge of coal bearing plate for the purpose of guaranteeing the depositing angle at falling point is less than the repose angle of coal.

Keywords：ring-type coal feeder；silo；coal storage；sliding；repose angle

2016－10－49 Gas-fired power plant TCA pipeline inner wall corrosion causes analysis and control measures

LI Hui

（Guangdong Huizhou Natural Gas Fired Power Company，Huizhou 516082，China）

Abstract：Gas-fired power plant flue gas and air system and TCA cooling air system pipeline（TCA pipeline for short）runs was brief introduced.The problem of TCA pipeline inner wall corrosion was indicated.This paper emphasized the corrosion causes and provided improvement suggestions.

Keywords：gas turbine；TCA pipeline；corrosion

2016－10－51 Cooling tower economical comparison of steel mixed structure and GRP structre

YAN Lu，ZHOU Zhengyi

（China Huadian Engineering Company Limited，Beijing 100160，China）

Abstract：By studying power plant steel mixed structure and GRP（glass fiber reinforced plastic）structure draft cooling tower，from the viewpoint of construction，comparison of construction term，maintenance，investment capital was made.And the author claimed that GRP structure take advantage from concrete structure，economically and technically，which could be widespread.

Keywords：draft cooling tower；glass fiber reinforced plastic；steel mixed structure；construction term；maintenance；technical economy

2016－10－53 Innovative application of security risk level control in engineering management of coal-fired power plant

ZENG Qinghua1，SU Rongyu2，YANG Zailin1，HUA Wei2，CAO Tong2

（1.Guizhou Wujiang Hydropower Development Company Limited，Guiyang 550002，China；2.Guizhou Huadian Tongzi Power Generation Company Limited，Zunyi 563200，China）

Abstract：Taking the Guizhou Huadian Tongzi Power Generation Company Limited as an example，this paper introduced the innovative application of security risk level control in engineering management of coal-fired power plant.Detailed described the security risk level control from five aspects：background，basic thoughts，key links，specific measures and operating effects，and analyzed the security risk levels of coal-fired power project at different construction stages and different areas.After that，it pre-controlled the security risk using the total plane visualized security risk analysis method and strengthened the process control，which ensured the realization of construction security for a long period.

Keywords：coal-fired power plant；security risk level control；construction stage；key points of control；security risk level

2016－10－57 Shiliquan Power Plant new environmental index surveillance and management system and implementation effect analysis

PENG Yuangang

（Huadian Power International Corporation Limited Shiliquan Power Plant，Zaozhuang 277103，China）

Abstract：Since May 2014，with a series of environmental laws and regulations，policy implemented，control of pollutants became a main task for power plants.With deepening of the power system，the power generation enterprise profits decreased，efforts to reduce costs become the primary task of for internal management.Huadian Power International Corporation Shiliquan Power Plant established and implemented the new“green energy consumption index”and rewards and punishments，ensured the safe and stable operation of the environmental protection facilities.Annual pollutant emission-on-standard rate up to 99.97%.Environmental protection energy consumption is 10%lower than in 2014，created profits of 7.069 5 million yuan，realize the“environmental protection”and“energy saving”win-win situation.

Keywords：energy conservation and environmental protection；environ-mental protection operation indicators；management and supervision system；reliability management；implement result

2016－10－60 Measures of reducing measurement failure rate of continuous emission monitoring system for selective catalytic reduction denitrification flue gas

QI Shanshan

（Anhui Huadian Suzhou Power Generation Company Limited，Suzhou 234000，China）

Abstract：At the initial operation stage of continuous emission monitoring system（CEMS）for selective catalytic reduction（SCR）denitrification flue gas in Anhui Huadian Suzhou Power Generation Company Limited，measurement faults occurred frequently，which affected the reliability of on-line flue gas monitoring，made the operation adjustment difficult and increased the maintenance work amounts.This paper analyzed the measuring principles of CEMS，summarized the common faults and their treatment measures of CEMS，and proposed some prevention measures.After adopting a series of measures，the measurement failure rates of NOxand NH3of CEMS were effectively decreased.

Keywords：denitrification；selective catalytic reduction；continuous emission monitoring system of flue gas；NOx；NH3；measurement；failure rate

2016－10－63 Hubei Xisaishan Power Plant flue gas denitration technology analysis

DENG Huipeng

（China Huadian Engineering Company Limited，Beijing 100160，China）

Abstract：Denitration system equipment and technology features of Hubei Xisaishan Power Plant first stage（2×330 MW）and second（2×380MW）was introduced.The experience was summarized.Which could be referred by similar project.

Keywords：flue gas denitration；selective catalytic reduction；flow field simulation；plate catalyst；cellular catalyst

2016－10－66 Energy conservation and low cost operation measures for thermal power plant

TAO Zaisu

（Huadian Baiyinhua Jinshan Power Generation Company Limited，Xinlinguole 026200，China）

Abstract：According to the practical running experience of Huadian Baiyinhua Jinshan Power Generation establishing conservationminded company，this paper introduced a series of practical measures on boiler parameters control，combustion adjustment，lowering turbine back pressure，increasing feed-water temperature and saving auxiliary power.Thus the plant achieved the aim of energy-saving and cost-reducing.

Keywords：energy-saving and cost-reducing；combustion adjustment；turbine back pressure；feed-water temperature；auxiliary power；steam water

2016－10－69 Parallel deaerator operation energy saving analysis and technology improvement

BAI Feng

（China Shenhua Coal to Liquid and Chemical Company Limited Erdos Coal to Liquid Branch，Erdos 017209，China）

Abstract：Due to large deaerator make-up water requires，large heat steam consumption，high cost and wasting residue water while maintenance，technology improvement has been done.The utilization of communicating vessel was proposed.Method to reduce waste of deaerator tank residue water before maintenance was indicated.Which will effectively reduce deaerator operational cost.At the same time，production cost will be reduced，and realized energy saving and cost decreasing and benefit increasing.

Keywords：parallel；deaerator；communicating vessels；energy saving

2016－10－73 Construction of multi-energy complementary integrated energy supply system for sewage treatment plant and its economic analysis

SUN Zhenyu，SHEN Mingzhong，CHEN Beiyang，WANG Jianhua

（China Huadian Engineering Corporation Limited，Beijing 100160，China）

Abstract：Under the pressures of energy conservation and emissions reduction，the utilization of renewable energy becomes an important means to reduce cost and improve efficiency of an enterprise.Combining with the local advantages of rich solar energy resources，low shielding rate of buildings and rich sewage heat sources，the sewage treatment plant builds distributed photovoltaic system and installs sewage source heat pumps in plant，which constructs a multi-energy complementary integrated energy supply system.In the system，the average treatment capacity of sewage treatment plant is 40000m3，which consumes a huge amount of electricity.The photovoltaic power generation system，whose average annual electricity production is 1059018kW·h，average annual equivalent utilization hours are 1 170 and self-use rate is 94%，could provide sufficient electricity for sewage treatment system and sewage source heat pumps，and the remaining electricity could be sold online，which would save 1190000 yuan for the plant in total.In addition，compared with the air conditioner system，the sewage source heat pumps also could save electricity 150763kW·h.In conclusion，the multi-energy complementary integrated energy supply system could save standard coal 387.1 t and reduce emissions of CO2and other pollutions 483.6 t year，and which is helpful to improve the resource utilization rate，promote energy conservation and emissions reduction and reduce the operation costs.

Keywords：multi-energy complement；integrated energy supply system；sewage treatment plant；distributed photovoltaic；sewage source heat pump；energy conservation and environmental protection

2016－10－01 Study on power smooth control of microgrid based on energy storage system

SUN Pan1，2，LAI Xiaolu1，2，YUAN Ye1，2，ZHU Huajing1，2，MENG Xianxia1，2，SUN Feng1，2

（1.Guodian Nanjing Automation Company Limited，Nanjing 210032，China；2.Nanjing SAC Urban and Power Grid Automation Engineering Company Limited，Nanjing 210032，China）

For the power supply problems of big fluctuation and strong randomicity caused by connecting renewable energies into microgrid，this paper proposes a power smooth control method of microgrid based on energy storage system.This method takes the measured values of battery state of charge（SOC）as feedback and adjusts the time factor of smooth control method，which could effectively avoid the big power fluctuation of microgrid，stabilize the energy storage batteries SOC in the standard range and improve the service life of battery.The effectiveness of this control method is verified by established simulation model.

renewable energy；microgrid；state of charge；power smooth control