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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

 
鈼?nbsp; BRIEF INTRODUCTION
鈼?nbsp; PRINCIPLES OF 2MW GAS TURBINE CO-GENERATION STAION OPERAION
鈼?nbsp; PERFORMANCE PARAMETER
鈼?nbsp; REQUIREMENT FOR QUALITY  OF  FUEL  AND  WATER
鈼?nbsp; CONTROL FOR ENVIROMENTAL PROTECTION
鈼?nbsp; CONTENT OF SUPPLY
鈼?nbsp; TECHNICAL SERVICE
鈼?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鈥?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鈩?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鈩?Heat-electricity co-generation is realized by the packaged set with its comprehensive heat efficiency reaching 70 percent or higher .

 

CHAPTER 3: PERFORMANCE PARAMETER

鈼?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脳892脳1174
 
Mass   (kg)
1120
 
Fuels:
Coke-oven gas, light diesel, oil field gas, natural gas and so on .
鈼?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  (鈩?
169.6
 
鈼?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
 
鈼?nbsp;       Flexible coupling
Nominal torque    (N.m)
4000
Max permitted speed  (rpm)
2000
 
CHAPTER 4: REQUIREMENT FOR QUALITY OF FUEL AND WATER
 
鈼?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    (鈩?)
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
 
鈼?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
鈼?nbsp;       Noise control
Noise of inlet and exhaust air is disposed by filter silencer in gas turbine unit, Noise meet the international specification.
鈼?Vibration control
Isolation measure is adopted in gas turbine unit and compressor to control the vibration.
鈼?nbsp;       Discharge control
Fuel is burnt thoroughly , not causing draining pollution; exhaust temperature of boiler is 190鈩? 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.
鈼?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.
鈼?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.
鈼?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
鈼?nbsp;       Switch Unit
High voltage switch cabinet (four to five )
400/230v station distribution cabinet
鈼?nbsp;       Control System
鈼?nbsp;       DC control cabinet
鈼?nbsp;       AC control cabinet
鈼?nbsp;       Protection system
鈼?nbsp;       Main control desk
鈼?nbsp;       Control Desk of Recovery Boiler
鈼?nbsp;       Connecting Wires and cables use in the Station.
鈼?nbsp;       Primary Instrument Installing Board.
鈼?nbsp;       Terminal Box
鈼?nbsp;       Special Tools
鈼?nbsp;       Floor Bolt of installation equipment
 
 
CHAPTER 7: TECHNICAL SERVICE
鈼?nbsp;       The supplier will supply the Instructional Manual for the Power station and maintenance manuals for various equipments.
鈼?nbsp;       If required by the purchaser, the supplier can offer the service of operation of the equipment of the power station.
鈼?nbsp;       The customer may get help in training the personals in proper operation and maintenance procedures.
鈼?nbsp;       To provide spares for the usage of one or two years.
鈼?nbsp;       The warranty period for the equipment of power station is one year from delivery.
鈼?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
灞变笢鑳滃崡鐢靛巶
4
9
NG, AG
Standard
1988
2
灞变笢鑳滃埄娌圭敯娉ㄦ按娉电珯
1
1
NG, AG
Standard
1989
3
閾佸箔鐒﹀寲鍘?/FONT>
1
1
Coke oven gas
Standard
1991/4
4
闄曡タ鐒﹀寲鍘?/FONT>
1
2
Coke oven gas
Standard
1994/4
5
婀涙睙涓滃叴鐐兼补鍘?/FONT>
6
8
Diesel
Peak load
1993/1
6
鍗楁柟鍏徃濮滃洯鐢电珯
3
9
Coal oil, diesel
Standard
1976
7
鎷夎惃鐏數鍘?/FONT>
2
2
Diesel
Peak load
1985/7
8
鐢樿們闀垮簡娌圭敯
4
6
diesel
Peak load
1985/6
9
娌冲崡涓師娌圭敯
6
10
NG
Standard
1981
10
娌冲寳鍗庡寳娌圭敯
2
3
Diesel
Peak load
1980/7
11
鍏嬫媺鐜涗緷娌圭敯
3
6
diesel
Peak load
1983/1
12
娌冲崡鍗楅槼娌圭敯
2
2
Diesel
Peak load
1978/9
13
骞垮窞鐭冲寲鎬诲巶
2
3
Flu from refinery
Standard
1995/7
14
婀栧崡椴ら奔姹熺叅鐭?/FONT>
1
2
Coke oven gas
Standard
1996/2
15
灞辫タ鏅嬪煄鐭垮姟灞/FONT>
2
4
Coal bed gas
Standard
2000/10
16
闄曡タ闊╁煄
1
1
Coke oven gas
Standard
2001/0
17
闄曡タ姒嗘灄瀛愬窞鐢电珯
2
2
NG
Standard
2002/8
18
娌冲寳宄板嘲鐭垮姟灞/FONT>
3
3
Coke oven gas
Combined
2002/7
19
娌冲寳鐭冲搴勭劍鍖栧巶
3
3
Coke oven gas
Standard
2003/1
20
娌冲寳宄板嘲鐭垮姟灞/FONT>
1
1
Coal gas from mine
Standard
2003/8
21
鐢樿們闈栬繙鐭垮姟灞/FONT>
2
2
Coal gas from mine
Standard
2004/6
22
灞变笢鐪佽妭鑳藉伐绋嬫湁闄愬叕鍙?/FONT>
5
5
Coke oven gas
Combined
2004/11
23
灞变笢鐪佹捣鍖栭泦鍥㈣枦鍩庢尟鍏寸劍鍖栨湁闄愬叕鍙?/FONT>
5
5
Coke oven gas
Combined
2004/12
24
灞辫タ鏇欏厜鐓ょ劍闆嗗洟鏈夐檺鍏徃
6
6
Coke oven gas
Standard
Under construction
25
涓冨彴娌抽緳娲嬬劍鐢垫湁闄愬叕鍙?/FONT>
11
11
Coke oven gas
Combined
Under construction
26
榛戦緳姹熶竷鍙版渤鐓ゆ皵鍏徃
1
1
Coke oven gas
Standard
Under construction
27
灞辫タ瀛濅箟閲戣揪鐓ょ劍鍖栭泦鍥?/FONT>
2
2
Coke oven gas
Containerized
200505
28
娌冲崡骞抽《灞遍缚璺冪叅鍖栧叕鍙?/FONT>
2
2
Coke oven gas
Standard
Under construction
 
Total
84
112
 
 
 
 

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