CN103047639B - Complementary solar energy and fuel coal heating system - Google Patents
Complementary solar energy and fuel coal heating system Download PDFInfo
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- CN103047639B CN103047639B CN201210588236.2A CN201210588236A CN103047639B CN 103047639 B CN103047639 B CN 103047639B CN 201210588236 A CN201210588236 A CN 201210588236A CN 103047639 B CN103047639 B CN 103047639B
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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Abstract
The invention relates to a complementary solar energy and fuel coal heating system. The technical scheme includes that the complementary solar energy and fuel coal heating system is characterized in that a solar heating system is arranged between a desalting device and a deaerator and comprises a solar heater, a water inlet pipeline and a water outlet pipeline, a water supplement pipe is disconnected at a position, provided with a bypass valve, in front of the deaerator, two branch pipes are arranged on two sides of the bypass valve, and the water inlet pipeline of the solar heating system is connected with the branch pipe in front of the valve while the water outlet pipeline of the solar heating system is connected with the branch pipe behind the valve. Conversion of solar energy into heat for heating desalted water and a system converting electric coal into heat for heating the desalted water are matched and complementary in use, and accordingly electric coal consumption is reduced, effective use of energy sources is guaranteed, and environmental protection, energy saving and consumption reduction are achieved.
Description
Technical field
The invention belongs to thermoelectricity field, be specifically related to a kind of solar energy and the complementary heating system of fire coal.
Background technology
Domestic power & light company great majority or original desalted water heating mode now, after water treatment by Cemented filling to oxygen-eliminating device, by Steam Heating, then after high temperature heater (HTH) intensification, input boiler through feed pump.On this section of intensification chain entering stokehold, the pressure of water is low, and the water temperature temperature difference is large, and the general temperature difference is at about 80 degree, and this section of temperature difference needs coal conversion to be greatly that Steam Heating could be gone.And coal resources are a kind of huge to anthropogenic influence, indispensable non-renewable energy resources.At present, coal resources are very well sold and in short supply, and price has exceeded more than ten times of history, and the Environmental Inputs that coal-fired multi-band is come is also quite large.How better the consumption of reduction and saving coal resources is a pendulum important problems in face of the mankind.
As everyone knows, solar energy is that of the whole mankind is inexhaustible, with it clean energy resource treasure-house without cease, drawback is that the length climate impact of light application time is comparatively large, can not round-the-clockly use.
Summary of the invention
In conjunction with reality and the existing technological process of thermoelectricity industry of solar energy and coal resources, the present invention proposes a kind of novel solar energy and the complementary heating system of fire coal.
the present invention is by the following technical solutions:solar energy and the complementary heating system of fire coal, the steam-heating system comprising desalting processing device, oxygen-eliminating device and be located at therebetween, between desalting processing device and oxygen-eliminating device, solar heating system is set, solar heating system comprises solar heater, inlet channel and outlet conduit, position before oxygen-eliminating device disconnects filling pipe, bypass valve is set, two bypass duct are set in bypass valve both sides, solar heating system inlet channel is connect before valve, solar heating system outlet conduit is connect after valve
Arrange control system in addition, control system at least comprises data acquisition module, data processing module and control module.
The desalted water pipeline of this solar heating system access power plant, with other system onrelevant, also do not affect power plant safety, access is very convenient with releasing.
The inlet channel and outlet conduit of solar heating system arrange import electric control valve and outlet electric valve respectively, the pipeline of steam-heating system arranges steam control valve.
The solar heater of solar heating system arranges light sensitive device, the pipeline of solar heating system inlet channel, outlet conduit and steam-heating system arranges water temperature measuring point and flow measuring point respectively.
Data acquisition module at least comprises solar heater light sensation temperature measuring device, flow collection module and temperature measurement module; Control module at least comprises electrical equipment control module and control of valve position module.
Import electric control valve and outlet electric valve regulate the flow of inlet channel and outlet conduit respectively, and the light sensation temperature measuring device that solar heater is arranged gathers illumination, and when there being sunlight, control system stops Steam Heating; When without sunlight or underexposure, recover Steam Heating, namely consume coal heating, both replace according to Changes in weather.
Described heater is interconnective solar heater and concentrating solar high temperature heater (HTH), and concentrating solar high temperature heater (HTH) comprises high-temperature vacuum pipe and the Fresnel optical collector be attached thereto and expansion loop.
Solar heating system has designed by water consumption, more as power plant water amount, and solar heating system is also comparatively huge, and floor space is more, drops into more.Be set to heat stepwise, to improve water temperature for this reason.With simple glass pipe heat collector, desalted water is heated to about 60 degree, then 60 degree of water enter high temperature heat collector and desalted water are heated to rated temperature 102 degree of application.Heat stepwise can reduce costs widely.
the invention has the beneficial effects as follows:the present invention is by changing into energy heats desalted water by solar energy, and the system simultaneously coordinating power & light company's traditional utilization electricity coal to convert energy heats desalted water to reaches complementary and uses.Reduce the consumption of electric coal, ensure effective utilization of the energy, thus reduce the discharge of waste gas, reach the object of environmental protection, energy-conservation, consumption reduction.This technology mode is applicable to each large, medium and small type power & light company.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention,
Fig. 2 is software control flow chart of the present invention,
Fig. 3 is the structural representation of concentrating solar high temperature heater (HTH) of the present invention,
In figure: 1, light sensitive device, 2, concentrating solar high temperature heater (HTH), 3, solar heater, 4, outlet conduit, 5, inlet channel, 6, outlet electric valve, 7, import electric control valve, 8, first flow measuring point, the 9, first water temperature measuring point, 10, bypass valve, 11, temperature point, the 12, second water temperature measuring point, 13, second measuring point, 14, steam control valve, 15, oxygen-eliminating device, 16, desalting processing device, 17, expansion loop, 18, high-temperature vacuum pipe, 19, Fresnel optical collector.
Detailed description of the invention
As shown in the figure, between desalting processing device 16 and oxygen-eliminating device 15, solar heating system is set, solar heating system comprises solar heater, inlet channel 5 and outlet conduit 4, position before oxygen-eliminating device disconnects filling pipe, bypass valve 10 is set, two bypass duct are set in bypass valve both sides, before valve, connect solar heating system inlet channel 5, after valve, connect solar heating system outlet conduit 4.Heater is interconnective solar heater 3 and concentrating solar high temperature heater (HTH) 2, and concentrating solar high temperature heater (HTH) 2 comprises high-temperature vacuum pipe 18 and the Fresnel optical collector 19 be attached thereto and expansion loop 17.
The solar heater of solar heating system arranges light sensitive device, the pipeline of solar heating system inlet channel, outlet conduit and steam-heating system arranges the first water temperature measuring point, first flow measuring point and the second water temperature measuring point, second measuring point respectively.The inlet channel and outlet conduit of solar heating system arrange import electric control valve 7 and outlet electric valve 6 respectively, the pipeline of steam-heating system is arranged steam control valve 14.Data acquisition module comprises solar heater light sensation temperature measuring device, flow collection module and temperature measurement module, gathers illumination respectively, heating system imports and exports flow and water temperature.Data processing module is to the data analysis gathered, when illumination is sufficient, when needing to drop into solar heating system, control module controls to open import electric control valve 7 and outlet electric valve 6, close bypass motor-driven valve 10, start solar heating system, delay water after solar heater and the heating of concentrating solar high temperature heater (HTH), water temperature measuring point measures water temperature, when water temperature reaches temperature required, without the need to opening steam control valve, after water temperature is via solar heater and the heating of concentrating solar high temperature heater (HTH), also do not reach temperature required, control system controls to open and steam regulation control valve 14, until reach temperature required.When running into night or illumination and being not enough, control system regulates electrically operated valve, closes solar heating system, drops into steam in time and controls the size of quantity of steam, automatically switching to coal-fired heating system.
Claims (2)
1. solar energy and the complementary heating system of fire coal, comprise desalting processing device, oxygen-eliminating device and the steam-heating system be located at therebetween, it is characterized in that: between desalting processing device and oxygen-eliminating device, solar heating system is set, solar heating system comprises solar heater, inlet channel and outlet conduit, position before oxygen-eliminating device disconnects filling pipe, bypass valve is set, two bypass duct are set in bypass valve both sides, solar heating system inlet channel is connect before valve, solar heating system outlet conduit is connect after valve, control system is set in addition, control system at least comprises data acquisition module, data processing module and control module, the inlet channel and outlet conduit of solar heating system arrange import electric control valve and outlet electric valve respectively, the pipeline of steam-heating system arranges steam control valve, the solar heater of solar heating system arranges light sensitive device, the pipeline of solar heating system inlet channel, outlet conduit and steam-heating system arranges water temperature measuring point and flow measuring point respectively, data acquisition module at least comprises solar heater light sensation temperature measuring device, flow collection module and temperature measurement module, control module at least comprises electrical equipment control module and control of valve position module.
2. solar energy according to claim 1 and the complementary heating system of fire coal, it is characterized in that: described heater is interconnective solar heater and concentrating solar high temperature heater (HTH), concentrating solar high temperature heater (HTH) comprises high-temperature vacuum pipe and the Fresnel optical collector be attached thereto and expansion loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210588236.2A CN103047639B (en) | 2012-12-31 | 2012-12-31 | Complementary solar energy and fuel coal heating system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210588236.2A CN103047639B (en) | 2012-12-31 | 2012-12-31 | Complementary solar energy and fuel coal heating system |
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| Publication Number | Publication Date |
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| CN103047639A CN103047639A (en) | 2013-04-17 |
| CN103047639B true CN103047639B (en) | 2015-04-01 |
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| CN201210588236.2A Active CN103047639B (en) | 2012-12-31 | 2012-12-31 | Complementary solar energy and fuel coal heating system |
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| CN113819659B (en) * | 2021-10-29 | 2022-11-25 | 西安热工研究院有限公司 | Thermal power generating unit peak regulation system and method for solar-assisted heating of condensed water |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0784157A1 (en) * | 1995-04-03 | 1997-07-16 | Compania Sevillana de Electricidad | System for the integration of solar energy in a conventional thermal power plant generating electric energy |
| DE10329623B3 (en) * | 2003-06-25 | 2005-01-13 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Solar-thermal extraction of electrical energy involves heating medium by solar heating to above temperature working point of steam turbine, using to charge heat store connected before steam turbine. |
| CN1313713C (en) * | 2005-04-19 | 2007-05-02 | 北京世纪源博科技有限责任公司 | Multistage impulsion type steam turbine with damp being removed and heat being regained inside machine |
| CN101968043B (en) * | 2010-10-25 | 2012-09-05 | 北京世纪源博科技股份有限公司 | Solar thermal power generation system |
| CN202327657U (en) * | 2011-11-28 | 2012-07-11 | 南京工业大学 | Solar day-and-night heat-tracing system for heavy oil |
| CN203131795U (en) * | 2012-12-31 | 2013-08-14 | 山东滨州亚光毛巾有限公司 | Solar energy and fire coal complementary heating system |
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