CN105972842A - Monitoring device for thermal engineering parameters of tower type solar power generation system - Google Patents
Monitoring device for thermal engineering parameters of tower type solar power generation system Download PDFInfo
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- CN105972842A CN105972842A CN201610326403.4A CN201610326403A CN105972842A CN 105972842 A CN105972842 A CN 105972842A CN 201610326403 A CN201610326403 A CN 201610326403A CN 105972842 A CN105972842 A CN 105972842A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
- F24S50/20—Arrangements for controlling solar heat collectors for tracking
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
- F24S50/40—Arrangements for controlling solar heat collectors responsive to temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S60/00—Arrangements for storing heat collected by solar heat collectors
- F24S60/30—Arrangements for storing heat collected by solar heat collectors storing heat in liquids
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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
- Y02E10/47—Mountings or tracking
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a monitoring device for thermal engineering parameters of a tower type solar power generation system. The monitoring system is characterized by comprising a heliostat subsystem, a receiving tower subsystem, a heat accumulation subsystem, a heat exchange subsystem, a power generation subsystem and an industrial control computer, wherein the industrial control computer has a communication port, and is connected with the heliostat subsystem, the receiving tower subsystem, the heat accumulation subsystem, the heat exchange subsystem and the power generation subsystem; receiving tower subsystem, the heat accumulation subsystem, the heat exchange subsystem and the power generation subsystem comprise site parameter displays and system data acquisition modules; the data acquisition modules have input ports and output ports; the input ports receive the thermal engineering parameters; and the output ports are connected with the communication port of the industrial control computer and the site parameter displays of the corresponding subsystems. According to the monitoring device for the thermal engineering parameters of the tower type solar power generation system provided by the invention, the remote monitoring can be achieved, the working condition is improved, the commercialization is facilitated, the direct operation for the system can be achieved on site, and the working efficiency is improved.
Description
Technical field
The invention belongs to solar energy thermal-power-generating technical field, be specifically related to a kind of tower type solar electricity generation system thermal parameter supervising device.
Background technology
Solar energy cleans as one, free of contamination regenerative resource, and its development and utilization is considered the important component part of world energy sources strategy.Solar water heater successfully commercialization, the most more effectively utilizes solar energy, becomes various countries scientist and endeavours the content of research.Solar utilization technique mainly has photovoltaic power generation technology and solar thermal utilization technology, and solar thermal utilization technology can be divided into again slot type, butterfly and tower by optically focused type.Wherein, it is high that tower type solar electric station has light concentrating times, easily reaches higher operating temperature, and energy centralized procedure is one step completed by reflection light, and method is simple and direct effectively, the advantage that receptor area of dissipation is relatively small.Solar energy tower type thermal generation system can be consistent with the parameter of high temperature, high-pressure fire power station, the most not only makes solar power system have the higher thermal efficiency, and is readily available corollary equipment.But due to this electricity generation system every piece minute surface all with solar motion independent regulation orientation and towards, required track and localization mechanism is of a high price, limits its popularization and application to a certain extent.At present tower-type electricity generation utilize scale up to 10-20 megawatt, also in science and technology research and development and demonstration project stage.
The key technology of tower type thermal generation system is reflecting mirror and from motion tracking, receptor and regenerative apparatus
Three aspects.Owing to this generation mode requires high temperature, high pressure, the focusing for sunlight must have bigger focusing ratio, with 1,100 reflecting mirrors, and need to have rational layout so that it is reflection light can focus on less heat collector window.The reflecting rate of reflecting mirror should synchronize from the motion tracking sun more than 80% ~ 90%；Wanting cube little for receptor, heat exchange efficiency is high；Regenerative apparatus requires typically to select water-steam system, but etching problem is the most serious.Current domestic tower type solar utilizes the research that technology is concentrated mainly on 3 key technologies above.Configuration software is widely used in Industry Control, and less about monitoring technology research in terms of tower type solar.Tower type solar floor space is very big, for the parameters of acquisition system, needs to carry out at the scene operating and reads data, and workload is very big, and inconvenient.
Summary of the invention
For solving the deficiencies in the prior art, the invention provides a kind of intelligent monitoring and controlling device being capable of remotely monitoring tower-type solar thermal power generating system thermal parameter.
A kind of tower type solar thermal technology's parameter monitoring device of offer is provided, including and industrial PC；Industrial PC has PORT COM, and industrial PC connects heliostat subsystem respectively, receives tower subsystem, heat accumulation subsystem, heat exchange subsystem, power generation sub-system and industrial PC；Described reception tower subsystem, heat accumulation subsystem, heat exchange subsystem and power generation sub-system all include on-site parameters display and System Data Collection Module；Receive tower subsystem, heat accumulation subsystem, heat exchange subsystem and each data acquisition module of power generation sub-system and all have input port and output port, output port all has output port one and output port two, input port receives respective subsystem thermal parameter, each subsystem output port one is connected with industrial PC PORT COM, and output port two connects with corresponding subsystem on-site parameters display.
Heliostat subsystem, reception tower subsystem, heat accumulation subsystem, heat exchange subsystem, the concrete connected mode of each internal system of power generation sub-system are as follows:
Described heliostat subsystem includes heliostat, on-the-spot contact surface plate and PLC；Described heliostat has control motor and position sensor, and the output of heliostat is connected with controlling motor input；Described on-the-spot contact surface plate has PORT COM；Described PLC has input and output port, PLC output port has PLC output port one and PLC output port two, PLC input port is connected with the output of heliostat position sensor, PLC output port one is connected with the PORT COM of industrial PC, and PLC output port two is connected with on-the-spot touch Panel PORT COM.
Receive tower subsystem and also include receptor, tower stand, in receptor, have temperature sensor；Tower receiving subsystem data acquisition module input port is connected with temperature sensor in receptor.
Described heat accumulation subsystem also includes thermal storage device and circulating pump, described thermal storage device has two, and one is high-temperature heat-storage tank, and one is low temperature heat storage can, temperature sensor, the input port of heat accumulation subsystem data acquisition module is had to be connected with temperature sensor output in thermal storage device in thermal storage device.
Described heat exchange subsystem also includes heat exchanger, has temperature sensor, heat exchange subsystem data acquisition module input port to be connected with temperature sensor in heat exchanger in heat exchanger.
Described power generation sub-system also includes steam turbine and condenser, sets temperature sensor in steam turbine, and power generation sub-system data acquisition module input port is connected with temperature sensor output in steam turbine.
Further illustrate the annexation between each subsystem of this device, the output of receptor is connected with the input of the high-temperature heat-storage tank of thermal storage device, the output of high-temperature heat-storage tank is connected with the heat exchange input of heat exchanger, heat exchange outfan one end of heat exchanger is connected with the input of low temperature heat storage can, one end is connected with the steam input port of steam turbine, the output of low temperature heat storage can is connected with the input of circulating pump, the output of circulating pump is connected with the input of receptor, the steam output end mouth of steam turbine is connected with the input of condenser, and the output of condenser is connected with the input of heat exchanger.It is the most northern that described heliostat is positioned at tower stand.
Further illustrating material and the effect of this device each several part, described heliostat subsystem PLC is made up of industrial PLC controller, for controlling the position of heliostat；Described heliostat subsystem scene contact panel is made up of industrial human-computer interface touch screen, for field control heliostat subsystem PLC；Described reception tower subsystem on-site parameters display, heat accumulation subsystem on-site parameters display, heat exchange subsystem on-site parameters display, power generation sub-system on-site parameters display are constituted by liquid crystal display, are used for showing respective parameter of any subsystem；Described reception tower subsystem data acquisition module, heat accumulation subsystem data acquisition module, heat exchange subsystem data acquisition module, power generation sub-system data acquisition module are constituted by data acquisition unit, for gathering the temperature parameter signal of respective subsystem；Described industrial PC is made up of industrial computer, for the parameter of monitoring site；The steam that steam turbine is discharged by described condenser condenses；The energy of steam is converted into the rotary power machinery of mechanical power by described steam turbine；The heat energy of thermal storage device is delivered in steam turbine by described heat exchanger；The heat energy that described thermal storage device storage receptor produces, is made up of high-temperature fusion salt；Described circulating pump is for the circulation of heat accumulation working medium；Described receptor converts the solar into heat energy；Described tower stand is used for supporting receptor, is typically made up of steel construction；Described heliostat is made up of minute surface, supporting mechanism and solar energy tracking mechanism, is irradiated on receptor by solar focusing.
The beneficial effect that the present invention is reached: this device can realize remotely intelligently monitoring function, remotely can operate or parameter read functions on-the-spot equipment at work station；This device uses configuration software and PLC to connect, and significantly improves working condition, beneficially commercialization；This device is provided with touch screen, at the scene can operation direct to system, improve work efficiency；The parameter of tower type solar system core is monitored by this device, the efficiency of beneficially raising system.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
Fig. 2 is present invention heat exchanger structural representation；
Fig. 3 is thermal storage device structural representation of the present invention.
Detailed description of the invention
The invention will be further described below in conjunction with the accompanying drawings, and following example are only used for clearly illustrating technical scheme, and can not limit the scope of the invention with this.
As shown in Figure 1 to Figure 3, a kind of tower type solar electricity generation system thermal parameter supervising device includes heliostat subsystem, receives tower subsystem, heat accumulation subsystem, heat exchange subsystem and power generation sub-system；nullSpecifically include heliostat subsystem PLC1、Heliostat subsystem scene contact panel 2、Receive tower subsystem on-site parameters display 3、Receive tower subsystem data acquisition module 4、Heat accumulation subsystem on-site parameters display 5、Heat accumulation subsystem data acquisition module 6、Heat exchange subsystem on-site parameters display 7、Heat exchange subsystem data acquisition module 8、Power generation sub-system on-site parameters display 9、Power generation sub-system data acquisition module 10、Industrial PC 11、Condenser 12、Steam turbine 13、Heat exchanger 14、Thermal storage device 15、Circulating pump 16、Receptor 17、Tower stand 18、Heliostat 19，Each System Data Collection Module all has each output port of input port，Output port includes output port one and output port two，Receptor 17、Thermal storage device 15、Heat exchanger 14 and steam turbine 13 all have temperature sensor.
Heliostat subsystem, receive tower subsystem, heat accumulation subsystem, heat exchange subsystem and in the power generation sub-system settled date annexation between each subsystem as follows:
In mirror system, heliostat 1 has control motor and position sensor, the input port of PLC1 is connected with the position sensor of heliostat 19, the output of heliostat 19 controls motor input and is connected with heliostat 19, the output port one of PLC1 is connected with the COM1 of industrial PC 11, and the output port two of PLC1 is connected with the COM1 of on-the-spot contact panel 2；
The input port receiving tower subsystem data acquisition module 4 is connected with the temperature sensor of receptor 17, receive tower subsystem data acquisition module 4 output port one to be connected with the COM1 of industrial PC 11, receive tower subsystem data acquisition module 4 output port two and be connected with the COM1 receiving tower subsystem on-site parameters display 3；
The input port of heat accumulation subsystem data acquisition module 6 is connected with thermal storage device 15 temperature sensor output, heat accumulation subsystem data acquisition module 6 output port one is connected with the COM1 of industrial PC 11, and heat accumulation subsystem data acquisition module 6 output port two is connected with the COM1 of heat accumulation subsystem on-site parameters display 5；
The input port of heat exchange subsystem data acquisition module 8 exports with the temperature sensor of heat exchanger 14 and is connected, the output port one of heat exchange subsystem data acquisition module 8 is connected with the COM1 of industrial PC 11, and the output port two of heat exchange subsystem data acquisition module 8 is connected with the signal port of heat exchange subsystem on-site parameters display 7；
The input port of power generation sub-system data acquisition module 10 exports with the temperature sensor of steam turbine 13 and is connected, the output port one of power generation sub-system data acquisition module 10 is connected with the COM1 of industrial PC 11, and the output port two of power generation sub-system data acquisition module 10 is connected with the COM1 of power generation sub-system on-site parameters display 9；
Further, heliostat subsystem, to receive tower subsystem, heat accumulation subsystem, annexation between heat exchange subsystem and power generation sub-system and position as follows:
Thermal storage device 15 is divided into high-temperature heat-storage tank 151 and low temperature heat storage can 152, the output of receptor 17 is connected with the input of high-temperature heat-storage tank 151, the output of high-temperature heat-storage tank 151 is connected with the heat exchange input of heat exchanger 14, heat exchange outfan one end of heat exchanger 14 is connected with the input of low temperature heat storage can 152, one end is connected with the steam input port of steam turbine 13, the output of low temperature heat storage can 152 is connected with the input of circulating pump 16, and the output of circulating pump 16 is connected with the input of receptor 17；The steam output end mouth of steam turbine 13 is connected with the input of condenser 12, and the output of condenser 12 is connected with the input of heat exchanger 14；Heliostat 19 is positioned at the positive north of tower stand 18.
Heliostat subsystem scene contact panel 2, reception tower subsystem on-site parameters display 3 are arranged on heliostat subsystem scene；Receive tower subsystem on-site parameters display 3, reception tower subsystem data acquisition module 4 is arranged on reception tower subsystem scene；It is on-the-spot that heat accumulation subsystem on-site parameters display 5, heat accumulation subsystem data acquisition module 6 are arranged on heat accumulation subsystem；It is on-the-spot that heat exchange subsystem on-site parameters display 7, heat exchange subsystem data acquisition module 8 are arranged on heat exchange subsystem；It is on-the-spot that power generation sub-system on-site parameters display 9, power generation sub-system data acquisition module 10 are arranged on power generation sub-system；Industrial PC 11 is arranged on centralized-control center.
Further, each several part material and effect, described heliostat subsystem PLC1 is made up of industrial PLC controller, for controlling the position of heliostat；Described heliostat subsystem scene contact panel is made up of industrial human-computer interface touch screen, for field control heliostat subsystem PLC1；Described reception tower subsystem on-site parameters display 3, heat accumulation subsystem on-site parameters display 5, heat exchange subsystem on-site parameters display 7, power generation sub-system on-site parameters display 9 are constituted by liquid crystal display, are used for showing respective parameter of any subsystem；Described reception tower subsystem data acquisition module 4, heat accumulation subsystem data acquisition module 6, heat exchange subsystem data acquisition module 8, power generation sub-system data acquisition module 10 are constituted by data acquisition unit, for gathering the temperature parameter signal of respective subsystem；Described industrial PC 11 is made up of industrial computer, for the parameter of monitoring site；The steam that steam turbine 13 is discharged by described condenser 12 condenses；The energy of steam is converted into the rotary power machinery of mechanical power by described steam turbine 13；The heat energy of thermal storage device 15 is delivered in steam turbine 13 by described heat exchanger 14；Described thermal storage device 15 stores and receives the heat energy that 17 devices produce, and is made up of high-temperature fusion salt；Described circulating pump 16 is for the circulation of heat accumulation working medium；Described receptor 17 converts the solar into heat energy；Described tower stand 18 is used for supporting receptor 17, is typically made up of steel construction；Described heliostat 1 is made up of minute surface, supporting mechanism and solar energy tracking mechanism, is irradiated on receptor by solar focusing.
This patent can also have other embodiment, the technical scheme that all any trickle amendments of being used according to the technical spirit of this patent, equivalent transformation, replacement are formed, all fall within this patent claimed within the scope of.
Claims (10)
1. a tower type solar electricity generation system thermal parameter supervising device, is characterized in that, including heliostat subsystem, receives tower subsystem, heat accumulation subsystem, heat exchange subsystem, power generation sub-system and industrial PC；Industrial PC has PORT COM, and industrial PC connects heliostat subsystem respectively, receives tower subsystem, heat accumulation subsystem, heat exchange subsystem, power generation sub-system and industrial PC；Described reception tower subsystem, heat accumulation subsystem, heat exchange subsystem and power generation sub-system all include on-site parameters display and System Data Collection Module；Receive tower subsystem, heat accumulation subsystem, heat exchange subsystem and power generation sub-system each subsystem data acquisition module and all have input port and output port, output port includes output port one and output port two, input port receives respective subsystem thermal parameter, output port one is connected with industrial PC PORT COM, and output port two connects with corresponding subsystem on-site parameters display.
A kind of tower type solar electricity generation system thermal parameter supervising device the most according to claim 1, is characterized in that, described heliostat subsystem includes heliostat, on-the-spot contact surface plate and PLC；Described heliostat has control motor and position sensor, and the output of heliostat is connected with controlling motor input；Described PLC has input and output port, PLC output port includes PLC output port one and output port two, PLC input port is connected with heliostat position sensor, and PLC output port one is connected with industrial PC PORT COM, and PLC output port two is connected with on-the-spot touch Panel PORT COM.
A kind of tower type solar electricity generation system thermal parameter supervising device the most according to claim 2, is characterized in that, described reception tower subsystem also includes receptor, tower stand, has temperature sensor in receptor；Receive tower subsystem data acquisition module input port to be connected with temperature sensor in receptor.
A kind of tower type solar electricity generation system thermal parameter supervising device the most according to claim 3, it is characterized in that, described heat accumulation subsystem also includes thermal storage device and circulating pump, described thermal storage device has two, one is high-temperature heat-storage tank, one is low temperature heat storage can, has temperature sensor, heat accumulation subsystem data acquisition module input port to be connected with temperature sensor in thermal storage device in thermal storage device.
A kind of tower type solar electricity generation system thermal parameter supervising device the most according to claim 4, it is characterized in that, described heat exchange subsystem also includes heat exchanger, has temperature sensor, heat exchange subsystem data acquisition module input port to be connected with temperature sensor in heat exchanger in heat exchanger.
A kind of tower type solar electricity generation system thermal parameter supervising device the most according to claim 5, it is characterized in that, described power generation sub-system also includes steam turbine and condenser, setting temperature sensor in steam turbine, power generation sub-system data acquisition module input port is connected with temperature sensor output in steam turbine.
A kind of tower type solar electricity generation system thermal parameter supervising device the most according to claim 6, it is characterized in that, the output of receptor is connected with the input of high-temperature heat-storage tank, the output of high-temperature heat-storage tank is connected with the heat exchange input of heat exchanger, heat exchange outfan one end of heat exchanger is connected with the input of low temperature heat storage can, one end is connected with the steam input port of steam turbine, the output of low temperature heat storage can is connected with the input of circulating pump, the output of circulating pump is connected with the input of receptor, the steam output end mouth of steam turbine is connected with the input of condenser, the output of condenser is connected with the input of heat exchanger.
A kind of tower type solar electricity generation system thermal parameter supervising device the most according to claim 3, is characterized in that, it is the most northern that described heliostat is positioned at tower stand.
A kind of tower type solar electricity generation system thermal parameter supervising device the most according to claim 2, is characterized in that, described heliostat subsystem PLC is made up of industrial PLC controller, and described on-the-spot contact panel is made up of industrial human-computer interface touch screen.
A kind of tower type solar electricity generation system thermal parameter supervising device the most according to claim 1, it is characterized in that, described reception tower subsystem on-site parameters display, heat accumulation subsystem on-site parameters display, heat exchange subsystem on-site parameters display, power generation sub-system on-site parameters display are liquid crystal display, and described reception tower subsystem data acquisition module, heat accumulation subsystem data acquisition module, heat exchange subsystem data acquisition module, power generation sub-system data acquisition module are data acquisition unit.
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| CN108518879A (en) * | 2018-04-09 | 2018-09-11 | 山西炅奇新能源科技有限公司 | A kind of focusing solar tracking control system, method and hot water preparation system |
| CN112696836A (en) * | 2020-12-25 | 2021-04-23 | 青岛华丰伟业电力科技工程有限公司 | Tower type heliostat control system and method |
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Application publication date: 20160928 |