CN203892022U - Gas turbine tail gas waste heat recovery device and gas turbine tail gas waste heat recovery system - Google Patents
Gas turbine tail gas waste heat recovery device and gas turbine tail gas waste heat recovery system Download PDFInfo
- Publication number
- CN203892022U CN203892022U CN201420336413.2U CN201420336413U CN203892022U CN 203892022 U CN203892022 U CN 203892022U CN 201420336413 U CN201420336413 U CN 201420336413U CN 203892022 U CN203892022 U CN 203892022U
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- CN
- China
- Prior art keywords
- gas turbine
- tail gas
- gas
- flue
- heat recovery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model discloses a gas turbine tail gas waste heat recovery device and a gas turbine tail gas waste heat recovery system, and relates to energy conservation and emission reduction technologies. The device is mounted at an outlet of a fume exhaust chimney and comprises a rapidly-opened louver valve, an electric adjusting louver valve and a high-temperature low-pressure rupture disc. By adopting the gas turbine tail gas waste heat recovery device and the gas turbine tail gas waste heat recovery system, normal operation of a gas turbine is not influenced under any condition, the waste heat can be recycled as much as possible, the fume at a temperature of 430-510 DEG C discharged from the gas turbine is reduced to be within 100 DEG C and is discharged subsequently, and thus heat pollution to the atmosphere is reduced.
Description
Technical field
The utility model relates to energy-conserving and emission-cutting technology field, particularly a kind of gas turbine exhaust gas heat recovery device and relevant system.
Background technique
A transfer natural gas from the west to the east line and two wires compressor drags 430 DEG C～510 DEG C flue gases that type gas turbine discharges and is directly discharged to atmosphere, not only causes the waste of the energy, and befouling environment.
Summary of the invention
The purpose of this utility model is to provide a kind of gas turbine exhaust gas heat recovery Apparatus and system, can solve better the tail gas recycle of gas turbine and utilize problem.
According to an aspect of the present utility model, a kind of gas turbine exhaust gas heat recovery device is provided, comprising:
Be used for receiving the main flue channel of gas turbine high temperature tail gas, which is provided with the first Safety valve;
Tail gas recycle tube equipment, its entrance connects described main flue channel;
Steam electric power generator, its entrance connects the outlet of described tail gas recycle tube equipment.
Preferably, described the first Safety valve is pneumatic unlatching louver valve.
Preferably, described tail gas recycle tube equipment comprises:
Tail gas recycle flue, its entrance connects described main flue channel;
The second Safety valve arranging on described tail gas recycle flue.
Preferably, described the second Safety valve is motorized adjustment louver valve.
Preferably, also comprise:
Safety blasting film, it is arranged on the tail gas recycle flue between described main flue channel and described the second Safety valve.
Preferably, described steam electric power generator comprises:
Exhaust heat boiler, its entrance connects the outlet of described tail gas recycle tube equipment;
Steam turbine generator set, it connects described exhaust heat boiler.
Preferably, described steam turbine generator set is condensing steam turbine generator group.
Preferably, also comprise the gas emission device that connects described steam electric power generator.
Preferably, described gas emission device comprises:
Low temperature flue, it connects the outlet of described steam electric power generator;
Connect the induced draught fan of described low temperature flue, which is provided with induced draught fan entrance modulating valve.
According on the other hand of the present utility model, a kind of gas turbine exhaust gas waste heat recycling system is provided, comprise gas turbine, also comprise gas turbine exhaust gas heat recovery device.
Compared with prior art, the beneficial effects of the utility model are:
The utility model can be in the situation that ensureing that gas turbine runs well, many recovery waste heats as far as possible, the outer row's of gas turbine the flue gas of 430～510 DEG C is reduced to 100 DEG C with interior discharge, has not only reduced the thermo-pollution to atmosphere, and effectively utilized fume afterheat.
Brief description of the drawings
Fig. 1 is the gas turbine exhaust gas heat recovery device that the utility model the first embodiment provides;
Fig. 2 is the gas turbine exhaust gas waste heat recycling system that the utility model the second embodiment provides;
Description of reference numerals: 10-gas turbine; 20-main flue channel; 21-the first Safety valve; 30-tail gas recycle tube equipment; 31-tail gas recycle flue; 32-the second Safety valve; 33-safety blasting film; 40-steam electric power generator; 41-exhaust heat boiler; 42-steam turbine generator set; 50-gas emission device; 51-low temperature flue; 52-induced draught fan; 53-induced draught fan entrance modulating valve; 54-chimney.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is elaborated, should be appreciated that following illustrated preferred embodiment is only for description and interpretation the utility model, and be not used in restriction the utility model.
Fig. 1 is the gas turbine exhaust gas heat recovery device that the utility model the first embodiment provides, and as shown in Figure 1, comprising:
Be used for receiving the main flue channel 20 of gas turbine 10 high-temperature tail gas, which is provided with the first Safety valve 21;
Reclaim the tail gas recycle tube equipment 30 of high-temperature tail gas from described main flue channel 20, its entrance connects described main flue channel 20;
The steam electric power generator 40 that utilizes the high-temperature tail gas reclaiming to generate electricity, its entrance connects the outlet of described tail gas recycle tube equipment 30;
The gas emission device 50 that is used for discharging low temperature exhaust gas, its entrance connects the outlet of described steam electric power generator.
Wherein, above-mentioned the first Safety valve can be pneumatic unlatching louver valve.
The working principle of this device is as follows:
Gas turbine 10 outer rows' the high-temperature flue gas of 430～510 DEG C, receive via main flue channel 20, in the time that working state of system is normal, the first Safety valve 21 being arranged on main flue channel 20 is closed, make described high-temperature tail gas enter steam electric power generator 40 via tail gas recycle tube equipment 30, utilize high-temperature tail gas to generate electricity by described steam electric power generator 40, the low temperature exhaust gas finally obtaining is being discharged in atmosphere via gas emission device 50.
In the time that working state of system is abnormal, such as steam electric power generator 40 and/or gas emission device 50 break down etc., for avoiding gas turbine to occur the situations such as superpressure shutdown, the first described Safety valve 21 can be opened.
Fig. 2 is the gas turbine exhaust gas waste heat recycling system that the utility model the second embodiment provides, system described in the utility model can be recycled the outer row's of multiple gas turbines high-temperature flue gas, the present embodiment describes as an example of the high-temperature flue gas of recycling the outer row of 4 gas turbines example, as shown in Figure 2, comprising:
Four gas turbines 10;
For each gas turbine 10, receive respectively four main flue channels 20 of four gas turbine 10 outer rows' high-temperature tail gas, its each first Safety valve 21 that is equipped with;
Reclaim the tail gas recycle tube equipment 30 of high-temperature tail gas from described four main flue channels 20, its entrance connects described four main flue channels 20;
The steam electric power generator 40 that utilizes the high-temperature tail gas reclaiming to generate electricity, its entrance connects the outlet of described tail gas recycle tube equipment 30;
The gas emission device 50 that is used for discharging low temperature exhaust gas, its entrance connects the outlet of described steam electric power generator.
Furtherly, described tail gas recycle tube equipment 30 comprises: tail gas recycle flue 31, and its entrance connects described main flue channel 20; The second Safety valve 32 arranging on described tail gas recycle flue 31; Be arranged on the safety blasting film 33 on tail gas recycle flue 31 that is positioned between described main flue channel 20 and described the second Safety valve 32.
Furtherly, described steam electric power generator 40 comprises: entrance connects the exhaust heat boiler 41 of the outlet of described tail gas recycle tube equipment 30; Connect the steam turbine generator set 42 of described exhaust heat boiler 41.
Furtherly, described gas emission device 50 comprises: the low temperature flue 51 that connects the outlet of described steam electric power generator 40; Connect the induced draught fan 52 of described low temperature flue 51, which is provided with induced draught fan entrance modulating valve 53.
Specifically, above-mentioned gas turbine can be to drag type gas turbine, above-mentioned the first Safety valve 21 can be pneumatic unlatching louver valve, above-mentioned the second Safety valve 32 can be motorized adjustment louver valve, above-mentioned safety blasting module 33 is high-temperature low-pressure rupture disks, and above-mentioned steam turbine generator set 42 is condensing steam turbine generator groups.
The working principle of this device is as follows:
Four gas turbine 10 outer rows' the high-temperature flue gas of 430～510 DEG C, receives via corresponding main flue channel 20 respectively.Taking one of them gas turbine as example, in the time that working state of system is normal, the first Safety valve 21 being arranged on main flue channel 20 is closed, the second Safety valve 32 being arranged on tail gas recycle flue 31 is opened, and makes the high-temperature tail gas of gas turbine enter exhaust heat boiler 41 via tail gas recycle flue 31; Exhaust heat boiler 41 is sent steam into steam turbine generator set 42, utilizes steam to generate electricity by steam turbine generator set 42, and water of condensation is back to exhaust heat boiler 41; After heat recovery, obtain the low temperature exhaust gas of 100 DEG C, described low temperature exhaust gas is disposed to low temperature flue 51, and under the effect of induced draught fan 52, is discharged into atmosphere via chimney 54.
In the time that working state of system is abnormal, such as steam electric power generator 40 and/or gas emission device 50 break down etc., for avoiding gas turbine to occur the situations such as superpressure shutdown, the first described Safety valve 21 can be opened.
The present embodiment runs well in order to ensure gas turbine (particularly dragging type gas turbine), in chimney outlet port, (being main flue channel 20) done off-gas recovery utilized device, pneumatic unlatching louver valve, motorized adjustment louver valve, high-temperature low-pressure rupture disk etc. have been installed, many recovery waste heats as far as possible, and utilize cogeneration.
For guaranteeing under any circumstance, ensure that the safety of gas turbine is normally moved, the utility model can be taked following measures:
(1), native system utilizes pressure signal within 0.35 second, at least to open 70% by the pneumatic unlatching louver valve 21 of controller control flue; guarantee to enter atmosphere before gas turbine 10 tail flue gas superpressures, avoid because gas turbine 10 afterbody superpressures are shut down.
In the time that gas turbine 20 is got cigarette outlet pressure higher than 1500Pa, induced draught fan entrance modulating valve 53 leaves greatly, makes gas turbine 10 get cigarette outlet pressure lower than 1500Pa, ensures that gas turbine 10 normally moves.
In the time that induced draught fan 52 faults can not be discharged tail gas, induced draught fan 52 inlet pressures, exhaust heat boiler 41 inlet pressures, gas turbine 10 outlet pressure of discharging fume raises successively, exceed setting value as long as record gas turbine 10 outlet pressure of discharging fume, controller sends high level/low level signal and makes the pneumatic unlatching louver valve 21 of flue at least open 70% within 0.35 second.
(2), in the time of exhaust heat boiler 41 and induced draught fan 52 disorderly closedown:
The pneumatic unlatching louver valve 21 of four gas turbines 10 is all opened, motorized adjustment louver valve 32 Close Alls of four gas turbines 10.
(3), in the time getting cigarette outlet pressure and be greater than 1500Pa, report to the police, induced draught fan entrance modulating valve 53 leaves greatly.
If when pressure is greater than 2000Pa, high warning, induced draught fan entrance modulating valve 53 continues out greatly.
If when pressure is greater than 2500Pa (gas turbine outlet pressure dangerous values), corresponding pneumatic unlatching louver valve 21 standard-sized sheets, motorized adjustment louver valve 32 complete shut-downs.
If when pneumatic unlatching louver valve 21 faults are not opened, when gas turbine 10 outlet pressure values are increased to 4500Pa (gas turbine outlet pressure shutdown value is 5000Pa), corresponding high-temperature low-pressure rupture disk 33 is opened.
(4), in the time that a gas turbine 10 does not put into operation, corresponding pneumatic unlatching louver valve 21 standard-sized sheets, motorized adjustment louver valve 32 complete shut-downs, and in the chain state of off-the-line.
(5), when operating gas turbine 10 faults, when the 10 normal operation of other gas turbines, corresponding pneumatic unlatching louver valve 21 is all opened, motorized adjustment louver valve 32 Close Alls.
Gas turbine 10 is given Waste Heat Power Plant trouble signal, and power plant carries out corresponding pneumatic unlatching louver valve 21 and all opens, motorized adjustment louver valve 32 Close Alls.
(6), when gas turbine 10 methods of operation change, a gas turbine 10 is stopped transport, when a gas turbine 10 is opened, need to switch motorized adjustment louver valve 32 and pneumatic unlatching louver valve 21, if pneumatic unlatching louver valve 21 can not effectively be opened, when flue internal pressure is increased to 4500Pa, corresponding high-temperature low-pressure rupture disk 33 is opened, thereby gas turbine outlet pressure is reduced.
In sum, the utlity model has following technique effect:
1, the gas turbine exhaust gas recycle device that the utility model provides and system do not affect the normal running of compressor station gas turbine, can not cause any damage to gas turbine performance and safety;
2, the utility model provides gas turbine exhaust gas recycle device and system are different from gas Combined circulating generation, be mainly reflected in off-gas recovery and the utilization of gas turbine smoke evacuation outlet, can guarantee under any circumstance, ensure that the safety of gas turbine is normally moved.
Although above the utility model is had been described in detail, the utility model is not limited to this, and those skilled in the art of the present technique can carry out various amendments according to principle of the present utility model.Therefore, all amendments of doing according to the utility model principle, all should be understood to fall into protection domain of the present utility model.
Claims (10)
1. a gas turbine exhaust gas heat recovery device, is characterized in that, comprising:
Be used for receiving the main flue channel of gas turbine high temperature tail gas, which is provided with the first Safety valve;
Tail gas recycle tube equipment, its entrance connects described main flue channel;
Steam electric power generator, its entrance connects the outlet of described tail gas recycle tube equipment.
2. device according to claim 1, is characterized in that, described the first Safety valve is pneumatic unlatching louver valve.
3. device according to claim 1, is characterized in that, described tail gas recycle tube equipment comprises:
Tail gas recycle flue, its entrance connects described main flue channel;
The second Safety valve arranging on described tail gas recycle flue.
4. device according to claim 3, is characterized in that, described the second Safety valve is motorized adjustment louver valve.
5. device according to claim 3, is characterized in that, also comprises:
Safety blasting film, it is arranged on the tail gas recycle flue between described main flue channel and described the second Safety valve.
6. device according to claim 1, is characterized in that, described steam electric power generator comprises:
Exhaust heat boiler, its entrance connects the outlet of described tail gas recycle tube equipment;
Steam turbine generator set, it connects described exhaust heat boiler.
7. device according to claim 6, is characterized in that, described steam turbine generator set is condensing steam turbine generator group.
8. according to the device described in claim 1-7 any one, it is characterized in that, also comprise the gas emission device that connects described steam electric power generator.
9. device according to claim 8, is characterized in that, described gas emission device comprises:
Low temperature flue, it connects the outlet of described steam electric power generator;
Connect the induced draught fan of described low temperature flue, which is provided with induced draught fan entrance modulating valve.
10. a gas turbine exhaust gas waste heat recycling system, is characterized in that, described system comprises the gas turbine exhaust gas heat recovery device described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420336413.2U CN203892022U (en) | 2014-06-23 | 2014-06-23 | Gas turbine tail gas waste heat recovery device and gas turbine tail gas waste heat recovery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420336413.2U CN203892022U (en) | 2014-06-23 | 2014-06-23 | Gas turbine tail gas waste heat recovery device and gas turbine tail gas waste heat recovery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203892022U true CN203892022U (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420336413.2U Expired - Fee Related CN203892022U (en) | 2014-06-23 | 2014-06-23 | Gas turbine tail gas waste heat recovery device and gas turbine tail gas waste heat recovery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203892022U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026232A (en) * | 2018-09-19 | 2018-12-18 | 广东也节能科技有限公司 | A kind of gas turbine heat recovery apparatus |
| CN112325253A (en) * | 2020-08-13 | 2021-02-05 | 深圳市凯盛科技工程有限公司 | A waste heat utilization system and waste heat utilization method of exhaust gas of gas-fired fuel generator |
-
2014
- 2014-06-23 CN CN201420336413.2U patent/CN203892022U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026232A (en) * | 2018-09-19 | 2018-12-18 | 广东也节能科技有限公司 | A kind of gas turbine heat recovery apparatus |
| CN109026232B (en) * | 2018-09-19 | 2023-12-01 | 广东一也节能科技有限公司 | Heat recovery device of gas turbine |
| CN112325253A (en) * | 2020-08-13 | 2021-02-05 | 深圳市凯盛科技工程有限公司 | A waste heat utilization system and waste heat utilization method of exhaust gas of gas-fired fuel generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20180623 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |