CN204462833U - A kind of light coal complementary solar heat generating system - Google Patents
A kind of light coal complementary solar heat generating system Download PDFInfo
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- CN204462833U CN204462833U CN201520177202.3U CN201520177202U CN204462833U CN 204462833 U CN204462833 U CN 204462833U CN 201520177202 U CN201520177202 U CN 201520177202U CN 204462833 U CN204462833 U CN 204462833U
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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
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The utility model provides a kind of light coal complementary solar heat generating system, comprise solar thermal collection system and coal fired power plant integrated system, solar thermal collection system access coal fired power plant integrated system, also comprise Thermal Control System, Thermal Control System comprises the photoelectricity DCS control system for controlling solar thermal collection system and the thermoelectricity DCS control system for controlling coal fired power plant integrated system, described photoelectricity DCS control system with carry out communication between thermoelectricity DCS control system and be connected.Thermal Control System of the present utility model achieves the control of solar thermal collection system and the control of coal fired power plant integrated system simultaneously, thus realize to the startup of whole system, shutdown, normal run and the monitoring of failure condition, process.
Description
Technical field
The utility model relates to technical field of power generation, particularly, relates to a kind of light coal complementary solar heat generating system.
Background technology
Energy crisis worldwide day by day highlights, and regenerative resource will become the important component part of world energy sources structure future.Especially significant to the reasonable development of Solar use.In the last few years, the researcher of various countries worldwide had carried out a large amount of work and Science Explorations in this respect, and achieved certain achievement, and solar energy thermal-power-generating is exactly wherein most typical representative.
Current solar heat power generation system form mainly comprises: several forms such as solar energy tower type, solar groove type, sun power dish-style and solar energy Fresnel formula.Wherein solar groove type light and heat collection system is the principal mode that solar energy thermal-power-generating adopted in the last few years.It is the solar energy thermal-power-generating form realizing commercialized running the earliest, and main because its technical development is swift and violent, Technical comparing is ripe, and relative cost is lower.Along with in recent years constantly improve and Development Technology is tending towards ripe gradually, at present large-scale application in solar energy thermal-power-generating field.Its principle of work is: utilize slot type parabolic cylinder reflective mirror to be parallel to the light focusing in this reflective mirror symcenter face on the vacuum heat absorbing pipe being positioned at focal line place, endothermic tube inside has fluid working substance that heat is taken away the rear direct generation of electricity, or generates electricity after heating water again.
And energy structure in China is based on coal, most electric power is provided by coal fired power generation, and how coal fired power generation accounting, more than 70%, therefore, realizes coal fired power plant and solar electrical energy generation be combined with each other, and just becomes the important content solving society energy problem.
Utility model content
In order to solve the problem, the utility model provides a kind of light coal complementary solar heat generating system, particularly, have employed following technical scheme:
A kind of light coal complementary solar heat generating system, comprise solar thermal collection system and coal fired power plant integrated system, solar thermal collection system access coal fired power plant integrated system, also comprise Thermal Control System, Thermal Control System comprises the photoelectricity DCS control system for controlling solar thermal collection system and the thermoelectricity DCS control system for controlling coal fired power plant integrated system, described photoelectricity DCS control system with carry out communication between thermoelectricity DCS control system and be connected.
Further, described photoelectricity DCS control system comprises photoelectricity DCS switch board and solar concentrating collector control box, is connected between photoelectricity DCS switch board and solar concentrating collector control box by industrial bus.
Further, described DCS switch board interconnection network switch, the network switch connects at least two DCS active stations by the mode of Industrial Ethernet communication.
Further, the described network switch connects printing device by the mode of Industrial Ethernet communication.
Further, described photoelectricity DCS control system also comprises weather station data acquisition system (DAS), and weather station data acquisition system (DAS) is by the mode interconnection network switch of Industrial Ethernet communication.
Further, described weather station data acquisition system (DAS) comprises weather station data acquisition unit and meteorological station host, and weather station data acquisition unit connects weather station main frame, and weather station main frame is by the mode interconnection network switch of Industrial Ethernet communication.
Further, described photoelectricity DCS switch board connects distribution system, and described photoelectricity DCS switch board also connects logic switch, transmitter and real-time digital simulator respectively.
Further, the two circuit power supply mode of power acquisition of described Thermal Control System, spontaneous combustion coal power station integrated system of wherein coming, another road is from UPS electric power system.
Further, described Thermal Control System arranges ground connection and converges case, and stake resistance is less than 1 ohm.
Further, described solar thermal collection system comprises the light and heat collection system for heating heat transfer medium and the heat transfer medium system for driving heat transfer medium to circulate, and heat transfer medium system connects light and heat collection system; Described heat transfer medium system comprises heat-exchange system, heat-exchange system access coal fired power plant integrated system; Described light and heat collection systems, spot heating heat transfer medium, heat transfer medium is through the heat-exchange system heat exchange of heat transfer medium system to coal fired power plant integrated system, and the heat transfer medium after heat exchange returns light and heat collection system through heat transfer medium system again.
Thermal Control System of the present utility model achieves the control of solar thermal collection system and the control of coal fired power plant integrated system simultaneously, thus realize to the startup of whole system, shutdown, normal run and the monitoring of failure condition, process.
Accompanying drawing explanation
The system diagram of Fig. 1 solar thermal collection system of the present utility model;
The system enlarged drawing of Fig. 2 nitrogen envelope of the present utility model system;
The system diagram of Fig. 3 coal fired power plant integrated system of the present utility model;
The system diagram of Fig. 4 Thermal Control System of the present utility model.
Label instructions in the appended drawings: 1-2 - concentrated heating system heat exchange system of 3-4-5 - nitrogen sealing system of the cooling system expansion system 6-7-8 - electric heating system cycle pump system recovery system 9-10-11 - of the condensate pump condenser steam seal heater and deaerator 14-15 - condensation jellyfish low-pressure heater tube 15-16 - the condensate pipe solar collectors control box 16-19 - a network switch 20 photoelectric DCS control cabinet - weather station data collector 21 - weather station host DCS operating station in 22-23-24 - distribution system of print equipment 25-26 - logical switch transmitter 27 - real-time digital simulator 101 - parabolic trough solar concentrator, 401-301-201 - heat exchanger of air cooler nitrogen bottles of 402-403 - pressure reducer high pressure cut-off valve 404 - low pressure cut-off valve 501 - tank 601 - circulating pump 701 - electric heater.
Embodiment
Below in conjunction with accompanying drawing, a kind of light coal complementary solar heat generating system of the present utility model is described in detail:
As shown in Figures 1 and 3, a kind of light coal complementary solar heat generating system, comprise solar thermal collection system and coal fired power plant integrated system, solar thermal collection system comprises the light and heat collection system 1 for heating heat transfer medium and the heat transfer medium system for driving heat transfer medium to circulate, and heat transfer medium system connects light and heat collection system 1; Described heat transfer medium system comprises heat-exchange system 2, and heat-exchange system 2 accesses coal fired power plant integrated system; Described light and heat collection system 1 optically focused heating heat transfer medium, heat transfer medium is through heat-exchange system 2 heat exchange of heat transfer medium system to coal fired power plant integrated system, and the heat transfer medium after heat exchange returns light and heat collection system 1 through heat transfer medium system again.
As a kind of preferred implementation of the present utility model, described heat-exchange system 2 comprises heat interchanger 201, described coal fired power plant integrated system comprises the condensate pump 10, gland steam heater 11, low-pressure heater 14 and the oxygen-eliminating device 13 that connect successively, and condensate pump 10 connects oxygen-eliminating device 13; The water inlet of described heat interchanger 201 connects the outlet of condensate pump 10, and the water delivering orifice of heat interchanger 201 connects oxygen-eliminating device 13.
Solar thermal collection system and coal fired power plant integrated system realize combining by heat-exchange system by the utility model.Particularly, first solar thermal collection system is utilized to heat heat transfer medium, again by partial coagulation water that exchange heat is distributed from condenser to coal fired power plant integrated system by the heat interchanger 201 of heat-exchange system 2 by the heat of heat transfer medium, condensate water after heating returns oxygen-eliminating device, thus realizes solar thermal collection system auxiliary heating function.The mode of the utility model solar thermal collection system access coal fired power plant integrated system is minimum to the disturbance of coal unit therrmodynamic system.
In addition, the utility model more effectively utilizes sun power, saves the Coal-fired capacity of existing coal-fired power plant, has great importance to saving non-renewable energy resources.
Particularly, the endpiece of condensate pump 10 described in the utility model connects condensation jellyfish pipe 15, and described condensation jellyfish pipe 15 connects condensate water arm 16, and condensate water arm 16 accesses the condensation jellyfish pipe 15 at oxygen-eliminating device 13 place after being connected to heat interchanger 201.
In order to prevent from isolating fast when aqueous reflux and emergency condition, stopping using heat interchanger, between the outlet and the water inlet of heat interchanger 201 of described condensate pump 10, pipeline sets gradually non-return valve, electric control valve, orifice flowmeter and gate valve, the water outlet pipeline of described heat interchanger 201 arranges electric gate valve.
As a kind of preferred implementation of the present utility model, described oxygen-eliminating device 13 porch pipeline arranges water quality on-line checkingi analysis meter.Real-Time Monitoring can be carried out to water quality like this, prevent because heat transfer medium reveals the pollution causing water quality.
As a kind of preferred implementation of the present utility model, the water outlet pipeline of described heat interchanger 201 arranges electric-heating belt.Electric-heating belt is made up of conducting polymer and two parallel metal wire and insulating sheath, be characterized in that conducting polymer has very high ptc characteristics, and it is in parallel mutually, can with the automatic regulation output power of the temperature variation of heated object system, the temperature of volitional check heating, can arbitrarily brachymemma or within the specific limits spreading use, and allow repeatedly juxtaposition and without high temperature hotspot and the worry of burning.
As a kind of preferred implementation of the present utility model, the inflow point of described heat interchanger 201 arranges pressue device, to make in heat interchanger water wall pressure higher than conduction oil pressure, to ensure that conduction oil can not be leaked into water system.The exit of described heat interchanger 201 arranges reliever, enters oxygen-eliminating device again after the condensate water after heating is decompressed to the pressure of requirement.
Coal fired power plant integrated system of the present utility model also comprises condenser 9, and condenser 9 connects condensate pump 10.
To sum up, the water of the utility model after heat interchanger 201 heats is unsaturated water, does not produce phase transformation, do not relate to boiler body in heat transfer process; Heat interchanger 201 water effluent amount can be regulated to make leaving water temperature relative constancy and meet the demands, make full use of the heat energy that light and heat collection system 1 obtains, less on whole system impact.For may all consider in design by produced problem, therefore this programme is safe and feasible.
As a kind of preferred implementation of the present utility model, described light and heat collection system 1 comprises the many groups of paraboloid trough type solar condensers 101 be cascaded.
Paraboloid trough type solar condenser 101 comprises the collector bracket that parabolic concentrator, absorber, tracking means, one end and ground fix and the absorber pole be fixed on collector bracket, parabolic concentrator is fixed on collector bracket, be the parabola minute surface a kind of surface scribbling light-concentrating material, effect focuses on absorber the low-density sunlight of dispersion to produce high temperature.Absorber is fixed on absorber pole, and adopt two-layer pipe, be arranged on parabolic concentrator focal line, inner side is thermal barrier, and outside is vacuum, in case heat loss.Thermal barrier can be water vapor, deep fat or fused salt.Tracking means adopts uniaxiality tracking mode, makes parabola symmetrical plane around the vertical axes of North and South direction, and shines upon direction and remains 0.04 ° of angle, so that under any circumstance can effective reflected sunlight.Parabolic concentrator by solar light focusing on one wire, absorbs the solar radiant energy after focusing on by the tubulose absorber that this focal line is installed.In absorber, punching is equipped with for absorbing the radiable fluid thermal carrier (deep fat) of sky sun, steam generator (solar boiler) is delivered to by by the deep fat heated by pipeline, produce vapours and send into steam turbine generator system generating, thus complete the conversion of solar energy to electrical.
As a kind of preferred implementation of the present utility model, described heat transfer medium system also comprises the cooling system 3, expansion system 5, circulating pump system 6 and the electric heating system 7 that connect successively, the entrance point of described heat-exchange system 2 connects light and heat collection system 1, endpiece connects cooling system 3, and described electric heating system connects light and heat collection system 1.
As a kind of preferred implementation of the present utility model, described heat transfer medium is conduction oil.Conduction oil is a kind of low melting point eutectic potpourri, and concrete is chosen as dimethyl silicone polymer.
The utility model needs when design and running to take special measure, with anti-condensation, fire prevention and anti-pollution.For preventing these situations from occurring, need in system to arrange nitrogen envelope system 4.
As shown in Figures 1 and 2, the solar thermal collection system of a kind of smooth coal complementary solar heat generating system of the present utility model comprises the light and heat collection system 1 for heating heat transfer medium and the heat transfer medium system for driving heat transfer medium to circulate, heat transfer medium system comprises the heat-exchange system 2, cooling system 3, expansion system 5, circulating pump system 6 and the electric heating system 7 that connect successively, the endpiece of described light and heat collection system 1 connects heat-exchange system 2, and entrance point connects electric heating system 7; Described expansion system 5 is connected in parallel nitrogen envelope system 4.
Expansion system 5 described in the utility model comprises expansion drum 501, and described nitrogen envelope system 4 comprises nitrogen cylinder 401, and described nitrogen cylinder 401 is communicated with expansion drum 501, for being injected in expansion drum 501 by the nitrogen in nitrogen cylinder 401.
Pipeline between nitrogen cylinder 401 described in the utility model and expansion drum 501 arranges decompressor 402, pipeline between decompressor 402 and nitrogen cylinder 401 is arranged high-pressure stop valve 403, the pipeline between decompressor 402 and expansion drum 501 is arranged low-pressure shutoff valve 404.
Expansion drum 501 described in the utility model is arranged on the highest position of heat transfer medium system.
The utility model expansion drum 501 major function is the volumetric expansion amount produced because of temperature variation for absorbing conduction oil.Expansion drum 501 is arranged on system peak, causes a positive pressure head, make Pump Suction Nozzle be full of fluid to the Heat-transfer Oil Pump entrance being in downstream, ensures the continual and steady operation of Heat-transfer Oil Pump.
The below of expansion drum 501 described in the utility model arranges weir tank, arranges and overflow back oil pump in weir tank; Below described weir tank, oil storage tank is set, in oil storage tank, drainage pump is set.
When the solar time followed the tracks of by paraboloid trough type solar condenser 101, conduction oil starts intensification, volumetric expansion, part conduction oil is expanded in expansion drum 501, if the conduction oil liquid level in expansion drum 501 reaches its design load, the extra amount increased will spill in weir tank.When the heat that paraboloid trough type solar condenser 101 is collected reduces, conduction oil starts cooling, volume reduces, and in expansion drum 501, liquid level will decline; Overflow back oil pump and conduction oil in weir tank is delivered to expansion drum 501, have enough conduction oils to maintain in expansion drum 501.Expansion drum 501 high position is arranged, can pour in down a chimney ebullator.Weir tank is arranged in the below of expansion drum 501, arranges oil storage tank below overflow expansion area, and when heat conduction oil tank can not hold whole conduction oil, oil storage tank can the interior all conduction oils of containment.Oil groove internal face is coated with oil resistance agent, arranges drainage pump simultaneously.
Cooling system 3 described in the utility model comprises air cooler 301, and air cooler 301 is installed in parallel the pipeline between the outlet and the entrance of expansion system 5 of heat-exchange system 2.
Under accidental conditions, air cooler 301 does not work, from light and heat collection system 1 high temperature heat conductive oil out heat interchanger 201 after heat exchange cooling through directly entering expansion system 5 by air cooler 301 bypass.
Under special circumstances, as heat interchanger 201 cuts out for a certain reason, high temperature heat conductive oil flow through recuperator bypass and not with water generation heat interchange, now, air cooler 301 must be started, cut off its bypass, make high temperature heat conductive oil enter air cooler 301 and cool.Regulate rotation speed of fan according to air cooler 301 exit conduction oil temperature, thus regulate ventilation that conduction oil outlet temperature is maintained in the temperature range of system requirements.
Circulating pump system 6 described in the utility model comprises ebullator 601.
Ebullator 601 described in the utility model is centrifugal pump, and conduction oil is transported to each point of heat transfer medium system equipment by centrifugal pump by expansion drum 501, as the starting point of the built-in thermal medium working pressure of writing a biography of circulation, provides required minimum pressure to systemic circulation.
The utility model electric heating system 7 mainly comprises electric heater 701 and controller, and major function prevents heat-transfer medium temperature lower than the safe temperature of setting.
Under antifreeze operating mode, when conduction oil temperature is close to 15 DEG C, system will start electric heater, heat circulating heat conduction oil in pipeline, make it heat up gradually, can close after setting heating-up temperature, and the heating upper limit is for being no more than 60 DEG C.When normally running, for ensureing that conduction oil reaches assigned temperature (268 DEG C) before entering light field, also can heat conduction oil by opening electric heater, other working condition conduction oil flows through heater by-pass pipeline.
As a kind of preferred implementation of the present utility model, described circulating pump system also comprises the anti-condensation pump be connected with ebullator 601.For preventing conduction oil cryogenic temperature condensation, the ebullator and (or) the anti-condensation pump that start solar energy heat-collection field when night or cold snap ensure that conduction oil circulates, and start anti-condensation heating arrangement if desired and carry out anti-condensation heating to conduction oil.Section of tubing and container are all equipped with electron temperature monitor and immersion type well heater, and all heat conducting oil pipes and container are all equipped with tracing system.
As shown in Figure 1, as a kind of preferred implementation of the present utility model, solar thermal collection system described in the utility model also comprises recovery system 8, and recovery system 8 connects light and heat collection system 1 and heat transfer medium system respectively.
The utility model heat transfer medium system comprises the heat-exchange system 2, cooling system 3, expansion system 5, circulating pump system 6 and the electric heating system 7 that connect successively, and the endpiece of described light and heat collection system 1 connects heat-exchange system 2, and entrance point connects electric heating system 7; Described recovery system 8 is connected with light and heat collection system 1, heat-exchange system 2, cooling system 3, expansion system 5, circulating pump system 6 and electric heating system 7 respectively.
As a kind of preferred implementation of the present utility model, recovery system 8 described in the utility model comprises blowdown vessel 801, and described light and heat collection system 1, heat-exchange system 2, cooling system 3, expansion system 5, circulating pump system 6 are connected with blowdown vessel 801 respectively with electric heating system 7.
As a kind of preferred implementation of the present utility model, blowdown vessel 801 described in the utility model is arranged on its lowest position of light coal complementary solar heat generating system.
The connecting line of blowdown vessel described in the utility model 801 and light and heat collection system 1, heat-exchange system 2, cooling system 3, expansion system 5, circulating pump system 6 and electric heating system 7 respectively inclination certain angle is arranged.
Blowdown vessel 801 described in the utility model and the connecting line of light and heat collection system 1, heat-exchange system 2, cooling system 3, expansion system 5, circulating pump system 6 and electric heating system 7 arrange safety valve respectively.
Recovery system of the present utility model forms, for system recoveries conduction oil primarily of blowdown vessel 801 and the piping system that is connected with miscellaneous equipment safety valve.Blowdown vessel 801 is arranged on the minimum point of whole heat transfer medium system, and all pipelines be connected with blowdown vessel 801 all must be installed with certain angle of inclination, clean to ensure emptying recovery.
As shown in Figure 4, a kind of light coal complementary solar heat generating system of the present utility model, also comprise Thermal Control System, Thermal Control System comprises the photoelectricity DCS control system for controlling solar thermal collection system and the thermoelectricity DCS control system for controlling coal fired power plant integrated system, described photoelectricity DCS control system with carry out communication between thermoelectricity DCS control system and be connected.
Photoelectricity DCS control system of the present utility model is connected with communication between thermoelectricity DCS control system and mainly realizes some controling parameters of photoelectricity DCS control system to be uploaded to thermoelectricity DCS control system, but for working alone between photoelectricity DCS control system and thermoelectricity DCS control system, can not realize each other mutually controlling or interference.
In addition, for the sensor detecting instrument of photoelectricity DCS control system, the data that its monitoring obtains divide two-way to be independently transferred to photoelectricity DCS control system and thermoelectricity DCS control system.
Thermal Control System of the present utility model achieves the control of solar thermal collection system and the control of coal fired power plant integrated system simultaneously, thus realize to the startup of whole system, shutdown, normal run and the monitoring of failure condition, process.
Photoelectricity DCS control system described in the utility model comprises photoelectricity DCS switch board 18 and solar concentrating collector control box 17, is connected between photoelectricity DCS switch board 18 and solar concentrating collector control box 17 by industrial bus.
Solar energy heating heat transfer medium is assembled in the effect of light and heat collection system 1 exactly, and each paraboloid trough type solar condenser 101 controls its motion by the solar concentrating collector control box 17 of oneself.Solar concentrating collector control box 17 controls the parabola groove motion of paraboloid trough type solar condenser 101 and the state of other parameters, as high/low hot fluid temperature warning in absorber etc. according to position of sun.As required, solar concentrating collector control box 17 locates parabola groove to following optional position:
A) parabola groove sunshine tracking;
B) parabola groove location at night or reduction/rest position;
C) enable position.
DCS switch board 18 interconnection network switch 19 described in the utility model, the network switch 19 connects at least two DCS active stations 22 by the mode of Industrial Ethernet communication.DCS switch board 18 can monitor the parameter of solar concentrating collector control box 17 and long-range start and stop solar concentrating collector control box 17.DCS active station 22 convenient operation personnel operate, and facilitates Long-distance Control.
As a kind of preferred implementation of the present utility model, the described network switch 19 connects printing device 23 by the mode of Industrial Ethernet communication.Like this, be convenient to export monitoring result, make relevant the Study on Fault analysis.
Photoelectricity DCS control system described in the utility model also comprises weather station data acquisition system (DAS), and weather station data acquisition system (DAS) is by the mode interconnection network switch 19 of Industrial Ethernet communication.
Weather station described in the utility model data acquisition system (DAS) comprises weather station data acquisition unit 20 and meteorological station host 21, weather station data acquisition unit 20 connects weather station main frame 21, and weather station main frame 21 is by the mode interconnection network switch 19 of Industrial Ethernet communication.
The character of the utility model system effectiveness needs some induction systems to carry out the meteorology change in monitoring circuit place.Weather station is installed and is used for periodic measurement and records the weather informations such as such as radiation, DNI, incident angle, temperature, wind speed and direction.The information obtained from weather station is gathered by weather station data acquisition unit 20, is then recorded on weather station main frame 21, weather station main frame 21 by Industrial Ethernet by gather data communication to photoelectricity DCS control system, its objective is:
A) control loop performance;
B) under high wind speed condition, protect concentrating component to ensure that light field can correctly, efficiently be run.
Photoelectricity DCS switch board 18 described in the utility model connects distribution system 24, and described photoelectricity DCS switch board 18 also connects logic switch 25, transmitter 26 and real-time digital simulator 27 respectively.
Transmitter be the output signal of sensor change into can by the signal of controller identification (or by sensor input non electrical quantity convert to electric signal amplify simultaneously in case for a distant place measure and control signal source) converter.Real-time digital simulator is that a kind of specialized designs is for studying the device of Transient Electromagnetic Phenomena in electric system.
The two circuit power supply mode of power acquisition of Thermal Control System described in the utility model, spontaneous combustion coal power station integrated system of wherein coming, another road is from UPS electric power system.
Photoelectricity DCS switch board 18 of the present utility model and protective meter uninterruption power source (UPS electric power system) capacity need through adjusting; need if desired to increase UPS electric power system capacity, the needs of 30 minutes of photoelectricity DCS switch board 18 during to ensure system power supply dead electricity.
Thermal Control System described in the utility model arranges ground connection and converges case, and stake resistance is less than 1 ohm.Thermal Control System of the present utility model mainly carries out remote monitoring and on off control to solar thermal collection system, Centralizing inspection and control are carried out to light and heat collection system, cooling system, expansion system, circulating pump system and electric heating system equipment, the electrical parameter of the distribution system of testing station and on off state are monitored.Main close loop control circuit comprise heat interchanger 201 temperature controls, the temperature of air cooler 301 controls, the Stress control of heat transfer medium systems pumps outlet and the Stress control etc. of expansion drum 501.
The above is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any technician being familiar with this patent is not departing within the scope of technical solutions of the utility model, make a little change when the technology contents of above-mentioned prompting can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be the content not departing from technical solutions of the utility model, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of the utility model scheme.
Claims (10)
1. a light coal complementary solar heat generating system, comprise solar thermal collection system and coal fired power plant integrated system, solar thermal collection system access coal fired power plant integrated system, it is characterized in that, also comprise Thermal Control System, Thermal Control System comprises the photoelectricity DCS control system for controlling solar thermal collection system and the thermoelectricity DCS control system for controlling coal fired power plant integrated system, described photoelectricity DCS control system with carry out communication between thermoelectricity DCS control system and be connected.
2. a kind of light coal complementary solar heat generating system according to claim 1, it is characterized in that, described photoelectricity DCS control system comprises photoelectricity DCS switch board (18) and solar concentrating collector control box (17), is connected between photoelectricity DCS switch board (18) and solar concentrating collector control box (17) by industrial bus.
3. a kind of light coal complementary solar heat generating system according to claim 2, it is characterized in that, described DCS switch board (18) interconnection network switch (19), the network switch (19) connects at least two DCS active stations (22) by the mode of Industrial Ethernet communication.
4. a kind of light coal complementary solar heat generating system according to claim 3, it is characterized in that, the described network switch (19) connects printing device (23) by the mode of Industrial Ethernet communication.
5. a kind of light coal complementary solar heat generating system according to claim 3, it is characterized in that, described photoelectricity DCS control system also comprises weather station data acquisition system (DAS), and weather station data acquisition system (DAS) is by the mode interconnection network switch (19) of Industrial Ethernet communication.
6. a kind of light coal complementary solar heat generating system according to claim 5, it is characterized in that, described weather station data acquisition system (DAS) comprises weather station data acquisition unit (20) and meteorological station host (21), weather station data acquisition unit (20) connects weather station main frame (21), and weather station main frame (21) is by the mode interconnection network switch (19) of Industrial Ethernet communication.
7. a kind of light coal complementary solar heat generating system according to claim 2, it is characterized in that, described photoelectricity DCS switch board (18) connects distribution system (24), and described photoelectricity DCS switch board (18) also connects logic switch (25), transmitter (26) and real-time digital simulator (27) respectively.
8. a kind of light coal complementary solar heat generating system according to claim 1, it is characterized in that, the two circuit power supply mode of power acquisition of described Thermal Control System, spontaneous combustion coal power station integrated system of wherein coming, another road is from UPS electric power system.
9. a kind of light coal complementary solar heat generating system according to claim 1, is characterized in that, described Thermal Control System arranges ground connection and converges case, and stake resistance is less than 1 ohm.
10. a kind of light coal complementary solar heat generating system according to claim 1, it is characterized in that, described solar thermal collection system comprises for heating the light and heat collection system (1) of heat transfer medium and the heat transfer medium system for driving heat transfer medium to circulate, and heat transfer medium system connects light and heat collection system (1); Described heat transfer medium system comprises heat-exchange system (2), heat-exchange system (2) access coal fired power plant integrated system; Described light and heat collection system (1) optically focused heating heat transfer medium, heat transfer medium is through heat-exchange system (2) heat exchange of heat transfer medium system to coal fired power plant integrated system, and the heat transfer medium after heat exchange returns light and heat collection system (1) through heat transfer medium system again.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520177202.3U CN204462833U (en) | 2015-03-26 | 2015-03-26 | A kind of light coal complementary solar heat generating system |
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| CN201520177202.3U CN204462833U (en) | 2015-03-26 | 2015-03-26 | A kind of light coal complementary solar heat generating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107171363A (en) * | 2017-07-07 | 2017-09-15 | 北京生态经济科技有限公司 | The multi-energies hybrid power generating system of Thermal generation unit and generation of electricity by new energy unit |
-
2015
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107171363A (en) * | 2017-07-07 | 2017-09-15 | 北京生态经济科技有限公司 | The multi-energies hybrid power generating system of Thermal generation unit and generation of electricity by new energy unit |
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