CN105736142A - Automation thermal power plant adopting closed-loop control technology - Google Patents
Automation thermal power plant adopting closed-loop control technology Download PDFInfo
- Publication number
- CN105736142A CN105736142A CN201610090958.3A CN201610090958A CN105736142A CN 105736142 A CN105736142 A CN 105736142A CN 201610090958 A CN201610090958 A CN 201610090958A CN 105736142 A CN105736142 A CN 105736142A
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- China
- Prior art keywords
- chimney
- loop control
- gas turbine
- waste heat
- automatization
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use
- F02C6/18—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
- F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
- F22B1/1807—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines using the exhaust gases of combustion engines
- F22B1/1815—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines using the exhaust gases of combustion engines using the exhaust gases of gas-turbines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/70—Application in combination with
- F05D2220/72—Application in combination with a steam turbine
Abstract
The invention relates to an automation thermal power plant adopting a closed-loop control technology. The automation thermal power plant comprises a central control device, a combustion gas turbine power generating mechanism, a waste gas treatment mechanism and a waste heat recovery mechanism, wherein the combustion gas turbine power generating mechanism, the waste gas treatment mechanism and the waste heat recovery mechanism are sequentially communicated; and the combustion gas turbine power generating mechanism comprises an air inlet pipe. According to the automation thermal power plant adopting the closed-loop control technology, the temperature in the waste heat recovery mechanism is accurately measured through a temperature sensor, the temperature is then fed back to a control valve to form closed-loop control, it is guaranteed that the inlet water speed is accurately controlled, and therefore sufficient absorption of residual heat is achieved; then the residual heat is sufficiently used by the combustion gas turbine power generating mechanism to generate power, so that the using efficiency of the residual heat is improved; in this way, an exhaust damper, a first chimney and a second chimney are matched, so that graded treatment on gas is achieved, the treatment reliability of waste gas impurities is accordingly improved, pollution to the environment is reduced, and the practicability of the device is improved.
Description
Technical field
The present invention relates to a kind of automatization's heat energy power mechanism adopting Closed loop Control.
Background technology
Heat energy power mechanism produces motive complete heat power equipment for converting heat into mechanical energy, the source of heat energy includes the heat energy utilizing the fuel combustions such as coal, oil, natural gas, oil shale to discharge, and thermal power generation utilizes motive power produced by heat energy power mechanism to drive electromotor to produce electric energy exactly.
In the prior art, heat energy power mechanism is in the process that gas turbine group generates electricity, heat is absorbed in a large number, in the follow-up process that heat is utilized, owing to utilizing precision not high the heat, the quantity of steam that can cause generation is inadequate, causes that subsequent power generation efficiency is low, reduces the generating efficiency of heat energy power mechanism；Moreover, in heat energy power mechanism work process, owing to lacking the treatment measures to waste gas impurity, often cause substantial amounts of impurity to enter in air, cause air pollution.
Summary of the invention
The technical problem to be solved in the present invention is: in order to overcome prior art utilizing precision not high and lacking the deficiency for the treatment of measures to waste gas impurity heat, it is provided that a kind of automatization's heat energy power mechanism adopting Closed loop Control.
The technical solution adopted for the present invention to solve the technical problems is: a kind of automatization's heat energy power mechanism adopting Closed loop Control, including central control unit and the gas turbine powered generator structure, waste gas treatment mechanism and the waste heat recovering mechanism that are sequentially communicated, described gas turbine powered generator structure includes admission line, Gas Turbine Generating Units and blast tube, described Gas Turbine Generating Units includes the gas turbine and the first electromotor that are in transmission connection, and described admission line all connects with gas turbine with blast tube；
Described waste heat recovering mechanism includes waste heat recovery mechanism, steam turbine power generation mechanism and condensing mechanism, and described steam turbine power generation mechanism includes the steam turbine and the second electromotor that are in transmission connection, and described condensing mechanism all connects with steam turbine with waste heat recovery mechanism；
Described waste gas treatment mechanism includes aerofluxus antivibrator, the first chimney and the second chimney, described first chimney and the second chimney all connect with aerofluxus antivibrator, described gas turbine powered generator structure is connected with waste heat recovering mechanism by aerofluxus antivibrator, is equipped with activated carbon in described first chimney and the second chimney；
Described waste heat recovery mechanism is provided with temperature sensor and valve, and described temperature sensor and valve all electrically connect with central control unit.
As preferably, owing to chimney reaches after 15 meters, Dilution air degree is good, thus reducing the pollution of toxic emission, the height of described first chimney and the second chimney is 15 meters.
As preferably, in order to improve the efficiency of waste heat recovery mechanism heat absorption, by improving the heat absorption length of heat absorbing conduit, described waste heat recovery mechanism includes some heat absorbing conduits, the S-type connection of described heat absorbing conduit.
As preferably, described condensing mechanism includes condensing mechanism and oxygen-eliminating device, and described oxygen-eliminating device connects with steam turbine, and described oxygen-eliminating device connects with waste heat recovery mechanism.
As preferably, described condensing mechanism includes solidifying feed channel and condenser, and described solidifying feed channel connects with steam turbine, and described condenser is arranged in solidifying feed channel, and described solidifying feed channel connects with oxygen-eliminating device.
As preferably, in order to improve the intellectuality of device, described central control unit is PLC, described central control unit includes temperature detecting module, valve control module, the first electricity generation module, the second electricity generation module, wireless communication module and the working power module that central control system is connected with central control system, described temperature sensor electrically connects with temperature detecting module, described valve electrically connects with valve control module, described first electromotor and the electrical connection of the first electricity generation module, described second electromotor and the electrical connection of the second electricity generation module.
As preferably, electromagnetic valve has the advantages that control accuracy is high, and described valve is electromagnetic valve.
As preferably, described wireless communication module transmits wireless signal by WIFI.
As preferably, described waste heat recovery mechanism is arranged in the second chimney.
The invention has the beneficial effects as follows, temperature in waste heat recovery mechanism is accurately measured by automatization's heat energy power mechanism of this employing Closed loop Control by temperature sensor, then feedback control valve again, form closed loop control, ensure the speed of water inlet is accurately controlled, it is achieved thereby that fully absorbing after-heat, again through steam turbine power generation mechanism, after-heat is utilized generating fully, thus improve the utilization ratio to after-heat；Moreover, by the cooperation of aerofluxus antivibrator, the first chimney and the second chimney three, it is achieved that the staged care to gas, thus improve the process reliability to waste gas impurity, reducing the pollution to environment, improve the practicality of device.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of automatization's heat energy power mechanism of the employing Closed loop Control of the present invention；
Fig. 2 is the systematic schematic diagram of automatization's heat energy power mechanism of the employing Closed loop Control of the present invention；
In figure: 1. admission line, 2. gas turbine, 3. the first electromotor, 4. blast tube, 5. the first chimney, 6. aerofluxus antivibrator, 7. the second chimney, 8. waste heat recovery mechanism, 9. oxygen-eliminating device, 10. steam turbine, 11. second electromotors, 12. solidifying feed channel, 13. condenser, 14. valves, 15. temperature sensors, 16. central control systems, 17. temperature detecting module, 18. valve control modules, 19. first electricity generation modules, 20. the second electricity generation module, 21. wireless communication modules, 22. working power modules.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, and the basic structure of the present invention is only described in a schematic way, and therefore it only shows the composition relevant with the present invention.
As depicted in figs. 1 and 2, a kind of automatization's heat energy power mechanism adopting Closed loop Control, including central control unit and the gas turbine powered generator structure, waste gas treatment mechanism and the waste heat recovering mechanism that are sequentially communicated, described gas turbine powered generator structure includes admission line 1, Gas Turbine Generating Units and blast tube 4, described Gas Turbine Generating Units includes the gas turbine 2 and the first electromotor 3 that are in transmission connection, and described admission line 1 all connects with gas turbine 2 with blast tube 4；
Described waste heat recovering mechanism includes waste heat recovery mechanism 8, steam turbine power generation mechanism and condensing mechanism, and described steam turbine power generation mechanism includes the steam turbine 10 and the second electromotor 11 that are in transmission connection, and described condensing mechanism all connects with steam turbine 10 with waste heat recovery mechanism 8；
Described waste gas treatment mechanism includes aerofluxus antivibrator the 6, first chimney 5 and the second chimney 7, described first chimney 5 all connects with aerofluxus antivibrator 6 with the second chimney 7, described gas turbine powered generator structure is connected with waste heat recovering mechanism by aerofluxus antivibrator 6, is equipped with activated carbon in described first chimney 5 and the second chimney 7；
Described waste heat recovery mechanism 8 is provided with temperature sensor 15 and valve 14, and described temperature sensor 15 and valve 14 all electrically connect with central control unit.
As preferably, owing to chimney reaches after 15 meters, Dilution air degree is good, thus reducing the pollution of toxic emission, the height of described first chimney 5 and the second chimney 7 is 15 meters.
As preferably, in order to improve the efficiency of waste heat recovery mechanism 8 heat absorption, by improving the heat absorption length of heat absorbing conduit, described waste heat recovery mechanism 8 includes some heat absorbing conduits, the S-type connection of described heat absorbing conduit.
As preferably, described condensing mechanism includes condensing mechanism and oxygen-eliminating device 9, and described oxygen-eliminating device 9 connects with steam turbine 10, and described oxygen-eliminating device 9 connects with waste heat recovery mechanism 8.
As preferably, described condensing mechanism includes solidifying feed channel 12 and condenser 13, and described solidifying feed channel 12 connects with steam turbine 10, and described condenser 13 is arranged in solidifying feed channel 12, and described solidifying feed channel 12 connects with oxygen-eliminating device 9.
As preferably, in order to improve the intellectuality of device, described central control unit is PLC, described central control unit includes central control system 16, the temperature detecting module 17 being connected with central control system 16, valve control module 18, first electricity generation module 19, second electricity generation module 20, wireless communication module 21 and working power module 22, described temperature sensor 15 electrically connects with temperature detecting module 17, described valve 14 electrically connects with valve control module 18, described first electromotor 3 electrically connects with the first electricity generation module 19, described second electromotor 11 electrically connects with the second electricity generation module 20.
As preferably, electromagnetic valve has the advantages that control accuracy is high, and described valve 14 is electromagnetic valve.
As preferably, described wireless communication module 21 transmits wireless signal by WIFI.
As preferably, described waste heat recovery mechanism 8 is arranged in the second chimney 7.
In automatization's heat energy power mechanism of this employing Closed loop Control: combustion gas through gas turbine powered generator structure utilize generating after, after-heat enter into waste heat recovering mechanism carries out again with.In order to improve the utilization ratio to after-heat, first pass around waste heat recovery mechanism 8 and heat is fully absorbed, wherein the S-type connection of heat absorbing conduit in waste heat recovery mechanism 8, it is ensured that the absorption length to heat；By temperature sensor 15, the temperature in waste heat recovery mechanism 8 is accurately measured, then feedback control valve 14 more simultaneously, form closed loop control, it is ensured that the speed of water inlet is accurately controlled, it is achieved thereby that fully absorbing after-heat；Then going through in steam turbine power generation mechanism, after-heat being utilized generating fully, thus improve the utilization ratio to after-heat.
In order to improve the process to waste gas impurity, reduce environmental pollution.First gas enters in the aerofluxus antivibrator 6 in waste gas treatment mechanism, aerofluxus antivibrator 6 be discharged in the first chimney 5 by substantial amounts of foreign gas, carries out filtering for the first time to air by the activated carbon in the first chimney 5；Then pass through the gas after aerofluxus antivibrator 6 by entering in the second chimney 7, again through the activated carbon in the second chimney 7, air is carried out second time to filter, by the cooperation of three, achieve the staged care to gas, thus improve the process reliability to waste gas impurity, reduce the pollution to environment, improve the practicality of device.
Compared with prior art, temperature in waste heat recovery mechanism 8 is accurately measured by automatization's heat energy power mechanism of this employing Closed loop Control by temperature sensor 15, then feedback control valve 14 again, form closed loop control, ensure the speed of water inlet is accurately controlled, it is achieved thereby that fully absorbing after-heat, again through steam turbine power generation mechanism, after-heat is utilized generating fully, thus improve the utilization ratio to after-heat；Moreover, by the cooperation of aerofluxus antivibrator the 6, first chimney 5 and the second chimney 7 three, it is achieved that the staged care to gas, thus improve the process reliability to waste gas impurity, reducing the pollution to environment, improve the practicality of device.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not necessarily departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content in description, it is necessary to determine its technical scope according to right.
Claims (9)
1. the automatization's heat energy power mechanism adopting Closed loop Control, it is characterized in that, including central control unit and the gas turbine powered generator structure, waste gas treatment mechanism and the waste heat recovering mechanism that are sequentially communicated, described gas turbine powered generator structure includes admission line (1), Gas Turbine Generating Units and blast tube (4), described Gas Turbine Generating Units includes the gas turbine (2) and the first electromotor (3) that are in transmission connection, and described admission line (1) all connects with gas turbine (2) with blast tube (4)；
Described waste heat recovering mechanism includes waste heat recovery mechanism (8), steam turbine power generation mechanism and condensing mechanism, described steam turbine power generation mechanism includes the steam turbine (10) and the second electromotor (11) that are in transmission connection, and described condensing mechanism all connects with steam turbine (10) with waste heat recovery mechanism (8)；
Described waste gas treatment mechanism includes aerofluxus antivibrator (6), the first chimney (5) and the second chimney (7), described first chimney (5) all connects with aerofluxus antivibrator (6) with the second chimney (7), described gas turbine powered generator structure is connected with waste heat recovering mechanism by aerofluxus antivibrator (6), is equipped with activated carbon in described first chimney (5) and the second chimney (7)；
Described waste heat recovery mechanism (8) is provided with temperature sensor (15) and valve (14), described temperature sensor (15) and valve (14) and all electrically connects with central control unit.
2. the automatization's heat energy power mechanism adopting Closed loop Control as claimed in claim 1, it is characterised in that the height of described first chimney (5) and the second chimney (7) is 15 meters.
3. the automatization's heat energy power mechanism adopting Closed loop Control as claimed in claim 1, it is characterised in that described waste heat recovery mechanism (8) includes some heat absorbing conduits, the S-type connection of described heat absorbing conduit.
4. the automatization's heat energy power mechanism adopting Closed loop Control as claimed in claim 1, it is characterized in that, described condensing mechanism includes condensing mechanism and oxygen-eliminating device (9), described oxygen-eliminating device (9) connects with steam turbine (10), and described oxygen-eliminating device (9) connects with waste heat recovery mechanism (8).
5. the automatization's heat energy power mechanism adopting Closed loop Control as claimed in claim 4, it is characterized in that, described condensing mechanism includes solidifying feed channel (12) and condenser (13), described solidifying feed channel (12) connects with steam turbine (10), described condenser (13) is arranged in solidifying feed channel (12), and described solidifying feed channel (12) connects with oxygen-eliminating device (9).
6. the automatization's heat energy power mechanism adopting Closed loop Control as claimed in claim 1, it is characterized in that, described central control unit is PLC, described central control unit includes central control system (16), the temperature detecting module (17) being connected with central control system (16), valve control module (18), first electricity generation module (19), second electricity generation module (20), wireless communication module (21) and working power module (22), described temperature sensor (15) electrically connects with temperature detecting module (17), described valve (14) electrically connects with valve control module (18), described first electromotor (3) electrically connects with the first electricity generation module (19), described second electromotor (11) electrically connects with the second electricity generation module (20).
7. the automatization's heat energy power mechanism adopting Closed loop Control as claimed in claim 1, it is characterised in that described valve (14) is electromagnetic valve.
8. the automatization's heat energy power mechanism adopting Closed loop Control as claimed in claim 1, it is characterised in that described wireless communication module (21) transmits wireless signal by WIFI.
9. the automatization's heat energy power mechanism adopting Closed loop Control as claimed in claim 1, it is characterised in that described waste heat recovery mechanism (8) is arranged in the second chimney (7).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610090958.3A CN105736142A (en) | 2016-02-18 | 2016-02-18 | Automation thermal power plant adopting closed-loop control technology |
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| CN201610090958.3A CN105736142A (en) | 2016-02-18 | 2016-02-18 | Automation thermal power plant adopting closed-loop control technology |
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| CN105736142A true CN105736142A (en) | 2016-07-06 |
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| CN201610090958.3A Pending CN105736142A (en) | 2016-02-18 | 2016-02-18 | Automation thermal power plant adopting closed-loop control technology |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017139948A1 (en) * | 2016-02-18 | 2017-08-24 | 刘湘静 | Automation thermal power installation employing closed-loop control technology |
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| JPH04259628A (en) * | 1991-02-13 | 1992-09-16 | Toshiba Corp | Exhaust heat recovery steam generator |
| CN201866781U (en) * | 2010-11-23 | 2011-06-15 | 中国矿业大学 | Environment-friendly chimney |
| CN103174519A (en) * | 2011-12-22 | 2013-06-26 | 阿尔斯通技术有限公司 | Method for operating a combined cycle power plant |
| US20130269346A1 (en) * | 2010-10-05 | 2013-10-17 | Alstom Technology Ltd | Combined cycle power plant with co2 capture and method to operate it |
| US20140150438A1 (en) * | 2012-11-30 | 2014-06-05 | General Electric Company | System and method for operating a gas turbine in a turndown mode |
| CN104641079A (en) * | 2012-03-29 | 2015-05-20 | 阿尔斯通技术有限公司 | Method for operating a combined cycle power plant and combined cycle power plant for using such method |
-
2016
- 2016-02-18 CN CN201610090958.3A patent/CN105736142A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4301650A (en) * | 1978-07-28 | 1981-11-24 | Bbc Brown, Boveri & Co. Ltd. | Pressure regulating apparatus for a closed water circuit |
| JPH04259628A (en) * | 1991-02-13 | 1992-09-16 | Toshiba Corp | Exhaust heat recovery steam generator |
| US20130269346A1 (en) * | 2010-10-05 | 2013-10-17 | Alstom Technology Ltd | Combined cycle power plant with co2 capture and method to operate it |
| CN201866781U (en) * | 2010-11-23 | 2011-06-15 | 中国矿业大学 | Environment-friendly chimney |
| CN103174519A (en) * | 2011-12-22 | 2013-06-26 | 阿尔斯通技术有限公司 | Method for operating a combined cycle power plant |
| CN104641079A (en) * | 2012-03-29 | 2015-05-20 | 阿尔斯通技术有限公司 | Method for operating a combined cycle power plant and combined cycle power plant for using such method |
| US20140150438A1 (en) * | 2012-11-30 | 2014-06-05 | General Electric Company | System and method for operating a gas turbine in a turndown mode |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017139948A1 (en) * | 2016-02-18 | 2017-08-24 | 刘湘静 | Automation thermal power installation employing closed-loop control technology |
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