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Home > Equipments > Gas turbine & spare parts > 2MW Gas Turbine Generator


 
 
PROPOSAL ON 2MW GAS TURBINE CO-GENERATION POWER STATION From China

CONTENTS

 
?nbsp; BRIEF INTRODUCTION
?nbsp; PRINCIPLES OF 2MW GAS TURBINE CO-GENERATION STAION OPERAION
?nbsp; PERFORMANCE PARAMETER
?nbsp; REQUIREMENT FOR QUALITY  OF  FUEL  AND  WATER
?nbsp; CONTROL FOR ENVIROMENTAL PROTECTION
?nbsp; CONTENT OF SUPPLY
?nbsp; TECHNICAL SERVICE
?nbsp; Gas Turbine Generator Track Records
 

 

CHAPTER I: BRIEF INTRODUCTION

2MW type gas turbine, one of the series, is the item which is recommended by the state for its energy-saving environmental protection and advanced technology. It can improve the utility of the surplus coke oven gas, oil field gas and exhaust gas of oil refinery, especially suiting for coking industry, petroleum chemistry, oil field and so on.
Through over twenty years?development, gas turbine sets have operated approaching five hundred thousand hours by now. The power station in shanxi coking factory was awarded the prize the best commercial efficiency.
The comprehensive heat efficiency of gas turbine set is 30 percent higher than that of steam turbine set and the pay back period is 50 percent shorter. The facts have shown that the 2MW gas turbine is a mature, stable, reliable, energy-saving product with evident social and economic beneficial results.
 
CHAPTER 2: PRINCIPLES OF 2MW GAS TURBINE CO-GENERATION POWER STATION OPERATION
 
The gas turbine is started by a starting motor. When it reaches the ignition speed, the compressed air is mixed with the fuel gas for combustion within the combustor. The combustion gas with high temperature and high pressure from the gas generator will drive the power turbine to work. When the running speed of the set reaches 42 percent of its rated speed, the starting motor will be automatically disengaged from the set. When the set runs automatically to its balance speed, the electric generator which is driven by power turbine will rotate at the same speed and operate in parallel with network. Fuel supply and output power increase in accordance with a certain law, the rated load of the set is 2000KW. Exhaust flow of gas turbine is 16.6Kg/s with 400?0.8-1.2Mpa vapour with the flow of 6.5t/h is produced by the heat recovery boiler, the boiler exhaust temperature is 190?Heat-electricity co-generation is realized by the packaged set with its comprehensive heat efficiency reaching 70 percent or higher .

 

CHAPTER 3: PERFORMANCE PARAMETER

?nbsp;       Gas Turbine engine (under ISO)
   
Type
WJ6G1
 
Gas turbine rotating speed (rpm)
12087
 
Output shaft speed (rpm)
1000
 
Rotating direction of output shaft
 
 
               (rear view)
Counterclockwise
 
Air flow (Kg/s)
20.4
 
Rated output power
2130
 
Maximum output power
2350
 
Heat consumption (MJ/kwh)
17.09
 
Overall dimension (mm)
3560×892×1174
 
Mass   (kg)
1120
 
Fuels:
Coke-oven gas, light diesel, oil field gas, natural gas and so on .
?nbsp;       Heat Recovery Boiler (supplying with vapour-gas)
When gas turbine is under the rated working condition
Vapour volume  (t/h)
6.5
Vapour pressure  (Mpa)
0.8-1.2
Vapour temperature  (?
169.6
 
?nbsp;       Generator
Rated output voltage (Kv)   
6.3 or 10.5
Power factor        (lag)
0.8
Frequency          (Hz)
50
Output power       (Kw) 
2000
Rated power        (Kw)  
2500
 
?nbsp;       Flexible coupling
Nominal torque    (N.m)
4000
Max permitted speed  (rpm)
2000
 
CHAPTER 4: REQUIREMENT FOR QUALITY OF FUEL AND WATER
 
?nbsp;       Requirement for fuel (for example coke-oven gas )
When calorific value is 17.9MJ/Nm3 (not less than 15.9MJ/Nm3 )
Flow    (Nm3 /h )
2000
Temperature    (?)
25
Pressure      (MPa)
0.9
H2S          (mg/ Nm3)
Not exceed 20
Naphthalene   (mg/ Nm3
Not exceed 100
HCN         (mg/ Nm3)
Not exceed 150
Tar          (mg/Nm3)
Not exceed 6
 
?nbsp;       Requirement for the quantity and quality of water
 Cooling water capacity (t/h)
28
oxygen removed water (t/h) 
8
Cooling water of boiler (t/h)
1
 
 
   Cooling water is used by circulation, water exhausted amount is 2t/h in practice.
   In order to prolong the life of the boiler, the requirement for water quality shall meet the international standard.
 
CHAPTER 5: CONTROL FOR ENVIRONMENTAL PROTECTION
?nbsp;       Noise control
Noise of inlet and exhaust air is disposed by filter silencer in gas turbine unit, Noise meet the international specification.
?Vibration control
Isolation measure is adopted in gas turbine unit and compressor to control the vibration.
?nbsp;       Discharge control
Fuel is burnt thoroughly , not causing draining pollution; exhaust temperature of boiler is 190? not causing heat pollution.

 

CHAPTER 6: CONTENT OF SUPPLY

The set of 2MW gas turbine co-generation power station chiefly consists of the following parts.
?nbsp;       Gas Turbine section
WJ6G1 light gas turbine engine
Inlet filter of gas turbine.
Inlet spray shell of gas turbine.
Joint-support for both gas turbine and generator.
Exhaust unit of gas turbine.
External lube oil system of gas turbine.
Fuel (liquid or gas fuel ) supply and adjustment system of gas turbine.
Main and auxiliary support of gas turbine.
?nbsp;       Generator section
Three-phase AC synchro-generator
Ventilation (cooling ) unit of generator
Bearing lube and jack-up unit of generator
Starting system for turbine-generator
Excitation unit.
?nbsp;       Recovery boiler
Recovery heat exchanger
Vapor and water separator
Heat-water circulating system
Boiler water supply and regulation system
Vapor pipe assembly
Smoke exhaust unit of recovery boiler
?nbsp;       Switch Unit
High voltage switch cabinet (four to five )
400/230v station distribution cabinet
?nbsp;       Control System
?nbsp;       DC control cabinet
?nbsp;       AC control cabinet
?nbsp;       Protection system
?nbsp;       Main control desk
?nbsp;       Control Desk of Recovery Boiler
?nbsp;       Connecting Wires and cables use in the Station.
?nbsp;       Primary Instrument Installing Board.
?nbsp;       Terminal Box
?nbsp;       Special Tools
?nbsp;       Floor Bolt of installation equipment
 
 
CHAPTER 7: TECHNICAL SERVICE
?nbsp;       The supplier will supply the Instructional Manual for the Power station and maintenance manuals for various equipments.
?nbsp;       If required by the purchaser, the supplier can offer the service of operation of the equipment of the power station.
?nbsp;       The customer may get help in training the personals in proper operation and maintenance procedures.
?nbsp;       To provide spares for the usage of one or two years.
?nbsp;       The warranty period for the equipment of power station is one year from delivery.
?nbsp;       The supply of spare parts is guaranteed.
 
 
Gas Turbine Generator Track Records
Item
Clients (Chinese Clients)
Nos. of Gas turbine Sets
Nos. of Gas Turbine
Fuel
Output
Completion year
1
山东胜南电厂
4
9
NG, AG
Standard
1988
2
山东胜利油田注水泵站
1
1
NG, AG
Standard
1989
3
铁岭焦化?/FONT>
1
1
Coke oven gas
Standard
1991/4
4
陕西焦化?/FONT>
1
2
Coke oven gas
Standard
1994/4
5
湛江东兴炼油?/FONT>
6
8
Diesel
Peak load
1993/1
6
南方公司姜园电站
3
9
Coal oil, diesel
Standard
1976
7
拉萨火电?/FONT>
2
2
Diesel
Peak load
1985/7
8
甘肃长庆油田
4
6
diesel
Peak load
1985/6
9
河南中原油田
6
10
NG
Standard
1981
10
河北华北油田
2
3
Diesel
Peak load
1980/7
11
克拉玛依油田
3
6
diesel
Peak load
1983/1
12
河南南阳油田
2
2
Diesel
Peak load
1978/9
13
广州石化总厂
2
3
Flu from refinery
Standard
1995/7
14
湖南鲤鱼江煤?/FONT>
1
2
Coke oven gas
Standard
1996/2
15
山西晋城矿务局/FONT>
2
4
Coal bed gas
Standard
2000/10
16
陕西韩城
1
1
Coke oven gas
Standard
2001/0
17
陕西榆林子州电站
2
2
NG
Standard
2002/8
18
河北峰峰矿务局/FONT>
3
3
Coke oven gas
Combined
2002/7
19
河北石家庄焦化厂
3
3
Coke oven gas
Standard
2003/1
20
河北峰峰矿务局/FONT>
1
1
Coal gas from mine
Standard
2003/8
21
甘肃靖远矿务局/FONT>
2
2
Coal gas from mine
Standard
2004/6
22
山东省节能工程有限公?/FONT>
5
5
Coke oven gas
Combined
2004/11
23
山东省海化集团薛城振兴焦化有限公?/FONT>
5
5
Coke oven gas
Combined
2004/12
24
山西曙光煤焦集团有限公司
6
6
Coke oven gas
Standard
Under construction
25
七台河龙洋焦电有限公?/FONT>
11
11
Coke oven gas
Combined
Under construction
26
黑龙江七台河煤气公司
1
1
Coke oven gas
Standard
Under construction
27
山西孝义金达煤焦化集?/FONT>
2
2
Coke oven gas
Containerized
200505
28
河南平顶山鸿跃煤化公?/FONT>
2
2
Coke oven gas
Standard
Under construction
 
Total
84
112
 
 
 
 

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