CN215332783U - Water injection unit of gas turbine - Google Patents
Water injection unit of gas turbine Download PDFInfo
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- CN215332783U CN215332783U CN202121071663.4U CN202121071663U CN215332783U CN 215332783 U CN215332783 U CN 215332783U CN 202121071663 U CN202121071663 U CN 202121071663U CN 215332783 U CN215332783 U CN 215332783U
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- gas turbine
- gas
- turbine
- water pump
- transmission case
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Abstract
The utility model relates to equipment, in particular to a water injection unit of a gas turbine. The technical scheme of the utility model is as follows: a water injection unit of a gas turbine comprises a platform, the gas turbine, a high-pressure water pump and a waste heat recovery device, wherein the gas turbine and the high-pressure water pump are fixedly arranged on the platform; the gas turbine comprises a gas generator, a transition section, a power turbine and a transmission case, wherein the gas generator is connected with the power turbine into a whole through the transition section, the power turbine is connected with an input shaft of the transmission case through a coupler, and an output shaft of the transmission case is connected with the high-pressure water pump; and the side exhaust port of the exhaust chamber of the power turbine is connected with the inlet of the waste heat recovery device. The utility model has the advantages of small volume, high power, high starting speed, low noise, small occupied space, low cost of utilizing local energy, stable operation, simple operation, easy maintenance, short repair period, utilization and recovery of exhaust waste heat, economy and environmental protection.
Description
Technical Field
The utility model relates to equipment, in particular to a water injection unit of a gas turbine.
Background
After many years of continuous exploitation of oil fields, the oil yield decreases year by year. In order to increase oil recovery from an oil field, it is necessary to inject a fluid into the subsurface to raise the oil level. The existing diesel engine water pump station has large occupied space, large noise and low efficiency; the motor needs to be imported abroad, needs to be externally connected with a high-voltage special cable, has long maintenance period and needs to store a large amount of spare parts.
SUMMERY OF THE UTILITY MODEL
The utility model provides a water injection unit of a gas turbine, which has the advantages of small volume, high power, high starting speed, low noise, small occupied space, low cost of local energy utilization, stable operation, simple operation, easy maintenance, short repair cycle time, utilization and recovery of exhaust waste heat, economy and environmental protection.
The technical scheme of the utility model is as follows:
a water injection unit of a gas turbine comprises a platform, the gas turbine, a high-pressure water pump and a waste heat recovery device, wherein the gas turbine and the high-pressure water pump are fixedly arranged on the platform; the gas turbine comprises a gas generator, a transition section, a power turbine and a transmission case, wherein the gas generator is connected with the power turbine into a whole through the transition section, the power turbine is connected with an input shaft of the transmission case through a coupler, and an output shaft of the transmission case is connected with the high-pressure water pump; and the side exhaust port of the exhaust chamber of the power turbine is connected with the inlet of the waste heat recovery device.
Further, the gas turbine water injection unit, wherein gas generator includes compressor, combustion chamber and gas turbine, the combustion chamber sets up the compressor with between the gas turbine, the rotor of compressor with the rotor fixed connection of gas turbine is in the same place.
The utility model has the beneficial effects that: the gas turbine water injection unit provided by the utility model has the advantages of small volume, high power, high starting speed, low noise, small occupied space, low cost of local energy utilization, stable operation, simple operation, easy maintenance, short repair cycle time, utilization and recovery of exhaust waste heat, economy and environmental protection.
Drawings
FIG. 1 is a schematic diagram of a water injection unit of a gas turbine;
FIG. 2 is a schematic diagram of the operation of a gas turbine water injection assembly.
Detailed Description
As shown in fig. 1 and 2, a gas turbine water injection unit comprises a platform 10, a gas turbine, a high-pressure water pump 8 and a waste heat recovery device 6, wherein the gas turbine and the high-pressure water pump 8 are fixedly installed on the platform 10; the gas turbine comprises a gas generator 9, a transition section 4, a power turbine 5 and a transmission case 7, wherein the gas generator 9 is connected with the power turbine 5 into a whole through the transition section 4, the power turbine 5 is connected with an input shaft of the transmission case 7 through a coupler, and an output shaft of the transmission case 7 is connected with the high-pressure water pump 8; the side exhaust port of the exhaust chamber of the power turbine 5 is connected with the inlet of the waste heat recovery device 6; the gas generator 9 comprises a gas compressor 1, a combustion chamber 2 and a gas turbine 3, wherein the combustion chamber 2 is arranged between the gas compressor 1 and the gas turbine 3, and a rotor of the gas compressor 1 is fixedly connected with a rotor of the gas turbine 3.
The working principle is as follows: the air compressor 1 sucks air from the atmosphere, compresses and boosts the air, and then continuously provides high-pressure air to the combustion chamber 2; the combustion chamber 2 is designed for burning fuel, when the gas generator is started, the ignition electric nozzle ignites the mixed gas of the fuel sprayed by the starting nozzle and the high-pressure air flowing from the gas compressor 1, and ignites the mixed gas of the fuel and the air in the flame tube of the combustion chamber 2, and the mixed gas is burnt in the flame tube to convert the chemical energy of the fuel into heat energy, so that high-temperature gas is obtained; the gas turbine 3 converts the heat energy of the gas into kinetic energy for driving the rotor of the gas compressor 1. The working process is that the gas compressor 1 continuously sucks air from the atmosphere to compress the air, the compressed air enters the combustion chamber 2 to be mixed and combusted with the sprayed fuel to form high-temperature and high-pressure gas, and then the gas flows into the gas turbine 3 to expand and do work to push the rotor of the gas turbine 3 to drive the rotor of the gas compressor 1 to rotate together, the work capacity of the heated high-temperature gas is obviously improved, so that the gas turbine 3 drives the rotor of the gas compressor 1 to rotate; the high-temperature and high-pressure gas discharged by the gas turbine 3 acts on the rear power turbine 5 to work, the power turbine 5 converts the rotary work into mechanical energy to drive the high-pressure water pump 8 connected with the rear part to work, meanwhile, the high-temperature gas discharged by the power turbine 5 is introduced into the waste heat recovery device 6 to recover waste heat, and finally, the flue gas is discharged to the atmosphere through a chimney.
The model of the gas turbine is WP6G1A-1 produced by Riming company, wherein the gas generator is WP6G1 type, the power turbine is RHF4 type, and the transmission case is SB45-1 type; the high pressure water pump is HDSR5-4 type. The performance parameters were as follows:
Claims (2)
1. the water injection unit of the gas turbine is characterized by comprising a platform, the gas turbine, a high-pressure water pump and a waste heat recovery device, wherein the gas turbine and the high-pressure water pump are fixedly arranged on the platform; the gas turbine comprises a gas generator, a transition section, a power turbine and a transmission case, wherein the gas generator is connected with the power turbine into a whole through the transition section, the power turbine is connected with an input shaft of the transmission case through a coupler, and an output shaft of the transmission case is connected with the high-pressure water pump; and the side exhaust port of the exhaust chamber of the power turbine is connected with the inlet of the waste heat recovery device.
2. The gas turbine water injection unit as set forth in claim 1, wherein the gas generator comprises a compressor, a combustion chamber and a gas turbine, the combustion chamber is arranged between the compressor and the gas turbine, and a rotor of the compressor is fixedly connected with a rotor of the gas turbine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121071663.4U CN215332783U (en) | 2021-05-19 | 2021-05-19 | Water injection unit of gas turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121071663.4U CN215332783U (en) | 2021-05-19 | 2021-05-19 | Water injection unit of gas turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215332783U true CN215332783U (en) | 2021-12-28 |
Family
ID=79546823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121071663.4U Active CN215332783U (en) | 2021-05-19 | 2021-05-19 | Water injection unit of gas turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215332783U (en) |
-
2021
- 2021-05-19 CN CN202121071663.4U patent/CN215332783U/en active Active
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