CN104265386A - Solar water heater power generation device and using method thereof - Google Patents
Solar water heater power generation device and using method thereof Download PDFInfo
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- CN104265386A CN104265386A CN201410467301.5A CN201410467301A CN104265386A CN 104265386 A CN104265386 A CN 104265386A CN 201410467301 A CN201410467301 A CN 201410467301A CN 104265386 A CN104265386 A CN 104265386A
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
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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
Abstract
The invention provides a solar water heater power generation device. The solar water heater power generation device comprises a solar water heating system, an organic Rankine cycle system and a cooling system which are connected in sequence, wherein the solar water heating system comprises a water heating system for living and a water heating system for power generation and further comprises a double-temperature double-control temperature controller installed in the solar water heating system, wherein the double-temperature double-control temperature controller controls starting and shutdown of the water heating system for power generation, the organic Rankine cycle system and the cooling system. The invention further provides a using method of the solar water heater power generation device. A solar water heater can provide hot water for living and hot water for power generation, and accordingly the utilization rate of the solar water heater is improved. In addition, the defect that frequent system starting and shutdown caused by single temperature control is avoided. The device adopts solar heat supply and power generation, can ease energy crisis and reduce environmental pollution, is simple in structure, safe, reliable and convenient to use and is especially suitable for household usage and usage of small units.
Description
Technical field
The present invention relates to device and the using method thereof of the comprehensive utilization of a kind of solar energy, be specifically related to a kind of solar water heater electricity generating device and using method thereof.
Background technique
As everyone knows, solar energy is inexhaustible clean energy resource.The utilization of solar energy can reduce the consumption of the fossil fuel such as coal, oil, simultaneously to alleviate environmental pollution, reduce ecological failure significant.Therefore, universal and promote solar energy, be one of the effective way of energy saving, protection of the environment.
Solar water heater is the one in Solar use, and solar energy directly can be converted to the heat energy of water by it, washes one's face and rinses one's mouth, takes a shower easily, be therefore widely used for people.But in sun-drenched summer and autumn, the water in water-heater water tank just can reach the high temperature of more than 90 DEG C within very short time, causes heat absorption tube cannot absorb solar energy again.And, summer and autumn temperature inherently higher, people are not high to the availability of hot water yet, thus a large amount of hot water caused in water heater are not utilized, and are finally lost in environment, cause collect heat be wasted again.These two aspects all makes the overall efficiency of solar water heater not high.
Summary of the invention
In view of this, in order to solve the problems of the technologies described above, the invention provides a kind of solar water heater electricity generating device and using method thereof.
The object of the invention is to, by by solar water heater and organic Rankine bottoming cycle combine with technique, ensure, while utilizing solar energy to export hot water for life, can also generate electricity, improve solar energy utilization ratio.In addition, solar water heater and organic Rankine bottoming cycle technology combine with automatic control system again, can also provide a kind of automatic solar water heater electricity generating device.
The invention provides a kind of solar water heater electricity generating device, comprise solar water-heating system, the organic rankine cycle system of generator and cooling system are installed, described solar water-heating system comprises the hot water for life system being provided with water tank, the generating water heating system be connected with described water tank, and the solar water heater be connected with cooling water outlet and the hot water inlet of described water tank; Described organic rankine cycle system comprises the vaporizer be connected with described water tank, and the condenser be connected with described cooling system; Wherein, described solar water heater electricity generating device also comprises and is arranged in described water tank and measures the Double-temp. double-control temp. controller of the temperature of described water tank, described Double-temp. double-control temp. controller to be connected with water heating system, described organic Rankine system and described cooling system with described generating, and can control the switch of described generating water heating system, described organic Rankine system and described cooling system according to the temperature of described water tank.
The generating of described solar water-heating system is connect and compose circulation loop successively primarily of thermal source water pump, the thermal source water pump temp .-control valve, described water tank and the described vaporizer that are connected with the water outlet of described thermal source water pump by water heating system.Wherein, described thermal source water pump is connected with described Double-temp. double-control temp. controller with described thermal source water pump temp .-control valve, and described Double-temp. double-control temp. controller can control the switch of described thermal source water pump and described thermal source water pump temp .-control valve according to the temperature of described water tank.Described water tank is elevated tank, is in higher position, preferably, described water tank in the mounting point in space higher than the mounting point of described vaporizer.
Described organic rankine cycle system comprises the organic working medium storage tank be connected with described condenser, the organic working medium pump be connected with the working medium delivery outlet of described organic working medium storage tank, and the organic working medium pump temp .-control valve be connected with described vaporizer.The working medium delivery outlet of described organic working medium pump temp .-control valve is connected with described vaporizer.Described organic working medium pump is connected with described Double-temp. double-control temp. controller with described organic working medium pump temp .-control valve, and described Double-temp. double-control temp. controller can control the switch of described organic working medium pump and described organic working medium pump temp .-control valve according to the temperature of described water tank.Preferably, described organic working medium pump in the mounting point in space lower than the space mounting position of described organic working medium storage tank.
The organic working medium adopting boiling point lower in described organic rankine cycle system.Described organic working medium can be R123, R123 boiling point under mark condition is 27.7 DEG C, and when 30 DEG C, the saturation pressure of its correspondence is 0.11MPa, and when 50 DEG C, the saturation pressure of its correspondence is 0.21MPa, and when 80 DEG C, the saturation pressure of its correspondence is 0.49MPa.In organic rankine cycle system, two kinds of working medium in described vaporizer are respectively solar water and organic working medium R123.Such as, when in described vaporizer, the heat transfer temperature difference of two kinds of working medium is 10 DEG C, then the pressure that in described solar water heater, R123 can be heated to 80 DEG C by the hot water of 90 DEG C is the saturated vapor of 0.49MPa; Also being easy to cooled in described condenser is the liquid under normal pressure.Therefore R123 a kind ofly compares the working medium being applicable to solar water heater power generation system.In organic rankine cycle system, when two kinds of working medium in described vaporizer are all cleaner working medium, described vaporizer can select the plate type heat exchanger that efficiency is higher, and its heat exchange mode can be countercurrent flow.Therefore, organic Rankine bottoming cycle generation technology is exactly one of effective way utilizing low grade heat energy, and it utilizes low boiling organic working medium that 100 DEG C even low temperature heat energy of 40 ~ 50 DEG C are converted to high-grade electric energy.
Described cooling system comprises the circulating water storage tank be connected with described condenser, the cooling waterpump be connected with the water outlet of described circulating water storage tank, the cooling waterpump temp .-control valve be connected with described cooling waterpump and described condenser respectively, and described circulating water storage tank, described cooling waterpump, described cooling waterpump temp .-control valve and described condenser connect and compose circulation loop successively.Wherein, described cooling waterpump is connected with described Double-temp. double-control temp. controller with described cooling waterpump temp .-control valve, and described Double-temp. double-control temp. controller can control the switch of described cooling waterpump and described cooling waterpump temp .-control valve according to the temperature of described water tank.Preferably, described cooling waterpump in the mounting point in space lower than the space mounting position of described circulating water storage tank.
Therefore, described Double-temp. double-control temp. controller controls the switch of described thermal source water pump, described thermal source water pump temp .-control valve, described cooling waterpump, described cooling waterpump temp .-control valve, described organic working medium pump and described organic working medium pump temp .-control valve according to the mensuration temperature of described water tank.The described predetermined high temperature of described Double-temp. double-control temp. controller and described predetermined low temperature level can be that this equipment is just determined when dispatching from the factory, also can be user sets as required, manual control, that is, described Double-temp. double-control temp. controller is the temperature controller of artificial setup control temperature.
If the described predetermined low temperature level that described Double-temp. double-control temp. controller is used as low temperature control temperature is set as 60 DEG C, when the hot water temperature in described water tank reaches 60 DEG C, described organic working medium can be heated to the steam of about 50 DEG C by described vaporizer.The described predetermined high temperature that described Double-temp. double-control temp. controller is used as high-temperature control temperature can be chosen according to actual conditions and set between 65 ~ 80 DEG C.Such as, if described predetermined high temperature is set as 75 DEG C, the temperature of the water tank of the described solar water-heating system then measured when described Double-temp. double-control temp. controller is more than 75 DEG C, described Double-temp. double-control temp. controller controls described cooling waterpump, described organic working medium pump, the unlatching of described thermal source water pump, and described cooling waterpump temp .-control valve, described organic working medium pump temp .-control valve and described thermal source water pump temp .-control valve are opened, organic Rankine cycle power generation system is started working, and described solar water heater electricity generating device starts generating, externally exports electric energy.The temperature of the described water tank measured when described Double-temp. double-control temp. controller is lower than 60 DEG C, described Double-temp. double-control temp. controller controls described cooling waterpump temp .-control valve, described organic working medium pump temp .-control valve and described thermal source water pump temp .-control valve, and described cooling waterpump, described organic working medium pump, described thermal source water pump closedown, described organic rankine cycle system and described cooling system quit work, and described solar water heater electricity generating device stops generating, stops externally exporting electric energy.When the temperature of the described water tank that described Double-temp. double-control temp. controller measures is between 60 DEG C and 75 DEG C, the whole valve of solar water heater electricity generating device and the open and close of pump maintain its adjacent state.
The using method of above-mentioned solar water heater electricity generating device, comprises the following steps:
Start described solar water-heating system, described Double-temp. double-control temp. controller measures the temperature of described water tank in real time;
When the temperature that described Double-temp. double-control temp. controller measures described water tank is lower than predetermined low temperature level, described generating water heating system, described organic rankine cycle system and described cooling system are in closed condition, and described solar water heater electricity generating device is in stopping generating state;
When the temperature that described Double-temp. double-control temp. controller measures described water tank is higher than predetermined high temperature, automatic startup described generating water heating system, described organic rankine cycle system and described cooling system, described solar water heater electricity generating device is in external generating state, for other household electric appliance provide power supply;
When the temperature that described Double-temp. double-control temp. controller measures described water tank is between described predetermined low temperature level and described predetermined high temperature, startup, the closedown of described generating water heating system, described organic rankine cycle system and described cooling system maintain its adjacent state.
Wherein, in the whole using process of above-mentioned solar water heater electricity generating device, described hot water for life system is in opening state all the time.
When the temperature that described Double-temp. double-control temp. controller measures described water tank is lower than predetermined low temperature level, described organic working medium pump temp .-control valve, described organic working medium pump, described thermal source water pump temp .-control valve, described thermal source water pump, described cooling waterpump temp .-control valve and described cooling waterpump are in closed condition.Now, the whole power generation system of described solar water heater electricity generating device is in closed condition, and described hot water for life system is then in opening state.
When the temperature that described Double-temp. double-control temp. controller measures described water tank is higher than predetermined high temperature, described Double-temp. double-control temp. controller opens described cooling waterpump, described cooling waterpump temp .-control valve, described thermal source water pump, described thermal source water pump temp .-control valve, described organic working medium pump and described organic working medium pump temp .-control valve successively.Now, the whole power generation system of described solar water heater electricity generating device and described hot water for life system are all in opening state.
When the temperature of described water tank is raised by described predetermined low temperature level, and when the temperature that described Double-temp. double-control temp. controller measures described water tank is between described predetermined low temperature level and described predetermined high temperature, the described organic working medium pump temp .-control valve that described Double-temp. double-control temp. controller controls, described organic working medium pump, described thermal source water pump temp .-control valve, described thermal source water pump, described cooling waterpump temp .-control valve and described cooling waterpump still maintain closed condition, described generating water heating system, described organic rankine cycle system and described cooling system maintain its closed condition, whole power generation system still maintains the state stopping generating, when the temperature of described water tank is reduced by described predetermined high temperature, and when the mensuration temperature of described water tank is between described predetermined low temperature level and described predetermined high temperature, the described cooling waterpump that described Double-temp. double-control temp. controller controls, described cooling waterpump temp .-control valve, described thermal source water pump, described thermal source water pump temp .-control valve, described organic working medium pump and described organic working medium pump temp .-control valve still maintain opening state.
Compared with prior art, solar water heater electricity generating device provided by the invention passes through solar water heater and organic Rankine bottoming cycle combine with technique, ensure, while utilizing solar energy to export hot water for life, can also generate electricity, improve solar energy utilization ratio; Described device is also in conjunction with automatic control system, adopt Double-temp. double-control temp. controller, when the temperature of described water tank is between described predetermined low temperature level and described predetermined high temperature, startup, the closedown of described organic rankine cycle system and described cooling system can maintain its adjacent state, so, use described device that the water temperature because of water tank can be avoided to fluctuate back and forth in predetermined temperature transition point and make said system frequent start-stop, make the Security of whole described device higher, and use described device to alleviating energy crisis and alleviate environmental pollution and be significant; Described device is automatic solar water heater electricity generating device, can automatically provide hot water for life and generating according to the water tank temperature of solar water-heating system, and structure is simple, safe and reliable, easy to use; Above-mentioned solar water heater electricity generating device provided by the invention improves the utilization ratio of solar water heater, especially in the summer and autumn of sweltering heat; In addition, above-mentioned solar water heater electricity generating device provided by the invention fully absorbs more solar energy, externally can also export electric energy safely and reliably simultaneously, so, use described device can also alleviate the supply load of summer and autumn peak of power consumption, have broad application prospects.
Accompanying drawing explanation
Fig. 1 is structural principle schematic diagram of the present invention.
Wherein, the component symbol 1 in Fig. 1, solar water heater; 2, elevated tank; 3, Double-temp. double-control temp. controller; 4, vaporizer; 5, thermal source water pump; 6, thermal source water pump temp .-control valve; 7, water supply valve door; 8, charging pump; 9, bathing valve; 10, generator; 11, decompressor; 12, condenser; 13, organic working medium storage tank; 14, organic working medium pump; 15, organic working medium pump temp .-control valve; 16, circulating water storage tank; 17, cooling waterpump; 18, cooling waterpump temp .-control valve.
Embodiment
Below by embodiment, technological scheme of the present invention is described in further detail.
Refer to Fig. 1, the embodiment of the present invention provides a kind of automatic solar water heater electricity generating device, and this device is formed primarily of the solar water-heating system be connected with valve by pipeline, organic rankine cycle system and cooling system.
Described solar water-heating system is made up of solar water heater 1, elevated tank 2, Double-temp. double-control temp. controller 3, vaporizer 4, thermal source water pump 5, thermal source water pump temp .-control valve 6, water supply valve door 7, charging pump 8 and bathing valve 9.Tap water from described charging pump 8, described water supply valve door 7, flow into described elevated tank 2, and flow out from the lower end of this elevated tank 2 and enter described solar water heater 1 and heat, form hot water, this hot water is flowed out through described bathing valve 9 by described elevated tank 2 again, and described Double-temp. double-control temp. controller 3 is arranged in described elevated tank 2.Described Double-temp. double-control temp. controller 3 can artificially the transition point predetermined low temperature level of setting temperature and predetermined high temperature.In the present embodiment, the predetermined low temperature level of described Double-temp. double-control temp. controller 3 is 60 DEG C, and predetermined high temperature is 80 DEG C.
Described organic rankine cycle system is connected successively by decompressor 11, condenser 12, organic working medium storage tank 13, organic working medium pump 14, organic working medium pump temp .-control valve 15 and vaporizer 4, and forms the circulatory system with the generator 10 be arranged on described decompressor 11.Described thermal source water pump 5 in described solar water-heating system, described thermal source water pump temp .-control valve 6, described elevated tank 2 and described vaporizer 4 connect and compose hot water cyclesystem successively, for described organic rankine cycle system generating provides thermal power.Wherein, described elevated tank 2 in the mounting point in space higher than the mounting point of described vaporizer 4, described organic working medium pump 14 in the mounting point in space lower than the space mounting position of organic working medium storage tank 13, described vaporizer 4 is countercurrent flow formula plate type heat exchanger, and the organic working medium adopted in described organic rankine cycle system is R123.
Described cooling system is made up of circulating water storage tank 16, cooling waterpump 17 and cooling waterpump temp .-control valve 18, and is connected with the cooling water intake of described condenser 12 and coolant outlet respectively.Wherein, described cooling waterpump 17 in the mounting point in space lower than the space mounting position of circulating water storage tank 16.
The method of the solar water heater electricity generating device using the above embodiment of the present invention to provide is as follows:
Described solar water heater 1 absorbs solar thermal energy, converts solar energy into the heat energy of water and is stored in described elevated tank 2.Be arranged on warm double-control temperature controller 3 described in a pair of in described elevated tank 2 and automatically open or close described thermal source water pump 5, described organic working medium pump 14, described cooling waterpump 17, described thermal source water pump temp .-control valve 6, described organic working medium pump temp .-control valve 15 and described cooling water temperature control valve 18 according to the water temperature change in described elevated tank 2.
When the solar thermal energy that solar water heater absorbs is fewer, water temperature in described elevated tank 2 does not reach the low-temperature values 60 DEG C of described Double-temp. double-control temp. controller 3 setting, described organic working medium pump temp .-control valve 15, described organic working medium pump 14, described thermal source water pump temp .-control valve 6, described thermal source water pump 5, described cooling waterpump temp .-control valve 18 and described cooling waterpump 17 are all in closed condition, whole power generation system is closed, described generating water heating system, described organic rankine cycle system and described cooling system are all in closed condition, do not generate electricity.Now, described hot water for life system can be in running order, and the rising pipe of described elevated tank 2 only has a road, directly as the hot water of life bath.
Then, the solar energy that described solar water heater 1 absorbs increases gradually, water temperature in described elevated tank 2 continues to heat up, the water temperature in described elevated tank 2 is made to be increased between 60 DEG C ~ 80 DEG C, its state of maintenance of described solar water heater electricity generating device is constant, described organic working medium pump temp .-control valve 15, described organic working medium pump 14, described thermal source water pump temp .-control valve 6, described thermal source water pump 5, described cooling waterpump temp .-control valve 18 and described cooling waterpump 17 all maintain its closed condition, and whole power generation system maintains its closed condition.
Along with the solar energy that described solar water heater 1 absorptance is more, when water temperature reaches the high temperature values 80 DEG C of described Double-temp. double-control temp. controller 3 setting, described cooling waterpump 17 is first opened automatically, described cooling waterpump temp .-control valve 18 is opened automatically immediately, then described thermal source water pump 5 is opened automatically, described heat source water temp .-control valve 6 is opened immediately, and then described organic working medium pump 14 is opened automatically, described organic working medium pump temp .-control valve 15 is opened automatically afterwards, so far whole power generation system is opened, hot water in described elevated tank 2 flows to described vaporizer 4, described organic working medium R123 liquid is given by energy transferring, after the heat absorption of R123 liquid, temperature raises gasification for steam, enter described decompressor 11 externally to do work, described decompressor 11 drives described generator 10 to rotate and outwards exports electric energy.From described decompressor 11 weary gas out, entering described condenser 12 water condensation that is cooled is liquid working substance, then enter described organic working medium pump 14 by described organic working medium storage tank 13, reenter after boosting in described vaporizer 4 and absorb energy, complete a power cycle.And the described circulating water storage tank 16 in described cooling system is positioned at shady and cool place, be convenient to function of environment heat emission, thus continue to absorb heat from described condenser 12.Now, the rising pipe of described elevated tank 2 is divided into two-way, and a road is as the thermal source of organic Rankine cycle power generation system, and another road is directly as the hot water of life bath.
And then, water temperature drop in described elevated tank 2, and water temperature is when being between described predetermined low temperature level 60 DEG C and described high temperature values 80 DEG C, the working state of whole described solar water heater electricity generating device is constant, maintain water temperature in described elevated tank 2 higher than working state when 80 DEG C, namely, described cooling waterpump 17, described cooling waterpump temp .-control valve 18, described thermal source water pump 5, described heat source water temp .-control valve 6, described organic working medium pump 14, described organic working medium pump temp .-control valve 15 maintains open mode, work on, described power generation system continues generating and outwards exports electric energy.
Afterwards, when the water temperature in described elevated tank 2 continues to decline, and water temperature lower than 60 DEG C time, described organic working medium pump temp .-control valve 15 is closed automatically, immediately described organic working medium pump 14 automatically close, then described thermal source water pump temp .-control valve 6 is closed automatically, described thermal source water pump 5 cuts out automatically, last described cooling waterpump temp .-control valve 18 is closed automatically, described cooling waterpump 17 cuts out automatically thereupon, whole power generation system is closed, described organic rankine cycle system and described cooling system quit work, and whole device stops generating.Now, the rising pipe of described elevated tank 2 only has a road, directly as the hot water of life bath.
In the using process of above-mentioned solar water heater electricity generating device, described cooling waterpump 17, described cooling waterpump temp .-control valve 18, described thermal source water pump 5, described heat source water temp .-control valve 6, described organic working medium pump 14, described organic working medium pump temp .-control valve 15 control by described Double-temp. double-control temp. controller 3, why they open and close according to above-mentioned order is because liquid organic working medium can not be had to enter, to avoid damaging described decompressor 11 in described decompressor 11; The organic working medium of gas can not be had to enter in described organic working medium storage tank 13, to avoid damaging described organic working medium pump 14.
According to the change of weather temperature, the predetermined low temperature level for low temperature control temperature of described Double-temp. double-control temp. controller 3 is set as 60 DEG C usually, and the predetermined high temperature as high-temperature control temperature can set according to the weather condition on the same day.If the same day, the vast clear sky sun was good greatly, bath water is less, high-temperature control temperature can be located at 65 DEG C, thus allow solar energy be converted to electric energy substantially; If The sky is overcast or alternate sunshine and rain alternate sunshine and rain, for avoiding power generation system frequent start-stop, high-temperature control temperature can be set to 80 DEG C.Set minimum, maximum temperature, power generation system just can be run automatically.The beginning of a day, the water temperature of elevated tank is less than 60 DEG C, power generation system is in closed condition, along with solar water heater constantly absorbs solar energy, when the water temperature of water tank reaches 60 DEG C, electricity generating device is still in closed condition, when temperature reaches a high temperature controlling temperature, during as 80 DEG C, power generation system starts, and starts to export electric energy.Close to time at dusk, solar radiation weakens gradually, and the water temperature of elevated tank starts to decline, until be down to 60 DEG C, power generation system is out of service.When generating electricity by day, substantially do not affect the use of domestic hot-water.Night, when arriving, also can meet the bathing demand of people lower than the hot water of 60 DEG C.Therefore, this device, meeting the basic training of water heater with outward, substantially increases the absorption rate of solar energy, additionally externally can also export electric energy, for other household electric appliance provide power supply.
Finally should be noted that: above embodiment is only in order to illustrate that technological scheme of the present invention is not intended to limit; Although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technological scheme scope of request of the present invention protection.
Claims (10)
1. a solar water heater electricity generating device, it is characterized in that: comprise solar water-heating system, the organic rankine cycle system of generator and cooling system are installed, described solar water-heating system comprises the hot water for life system being provided with water tank, the generating water heating system be connected with described water tank, and the solar water heater be connected with cooling water outlet and the hot water inlet of described water tank; Described organic rankine cycle system comprises the vaporizer be connected with described water tank, and the condenser to be connected with described cooling system, wherein, described solar water heater electricity generating device also comprises and is arranged in described water tank and measures the Double-temp. double-control temp. controller of the temperature of described water tank, described Double-temp. double-control temp. controller to be connected with water heating system, described organic Rankine system and described cooling system with described generating, and can control the switch of described generating water heating system, described organic Rankine system and described cooling system according to the temperature of described water tank.
2. device according to claim 1, it is characterized in that: described generating comprises by water heating system and connects and composes circulation loop successively by thermal source water pump, the thermal source water pump temp .-control valve, described water tank and the described vaporizer that are connected with the water outlet of described thermal source water pump, wherein, described thermal source water pump is connected with described Double-temp. double-control temp. controller with described thermal source water pump temp .-control valve, and described Double-temp. double-control temp. controller can control the switch of described thermal source water pump and described thermal source water pump temp .-control valve according to the temperature of described water tank.
3. device according to claim 1 and 2, it is characterized in that: described organic rankine cycle system comprises the organic working medium storage tank be connected with described condenser, the organic working medium pump be connected with the working medium delivery outlet of described organic working medium storage tank, and the organic working medium pump temp .-control valve to be connected with described vaporizer, described organic working medium pump is connected with described Double-temp. double-control temp. controller with described organic working medium pump temp .-control valve, and described Double-temp. double-control temp. controller can control the switch of described organic working medium pump and described organic working medium pump temp .-control valve according to the temperature of described water tank.
4. device according to claim 3, it is characterized in that: described cooling system comprises circulating water storage tank, cooling waterpump and cooling waterpump temp .-control valve, described circulating water storage tank, described cooling waterpump, described cooling waterpump temp .-control valve and described condenser connect and compose circulation loop successively, described cooling waterpump is connected with described Double-temp. double-control temp. controller with described cooling waterpump temp .-control valve, and described Double-temp. double-control temp. controller can control the switch of described cooling waterpump and described cooling waterpump temp .-control valve according to the temperature of described water tank.
5. device according to claim 4, is characterized in that: described cooling waterpump in the mounting point in space lower than the space mounting position of described circulating water storage tank; Described organic working medium pump in the mounting point in space lower than the space mounting position of described organic working medium storage tank.
6. a using method for solar water heater electricity generating device according to claim 1, comprises the following steps:
Start described solar water-heating system, described Double-temp. double-control temp. controller measures the temperature of described water tank in real time;
When the temperature that described Double-temp. double-control temp. controller measures described water tank is lower than predetermined low temperature level, described generating water heating system, described organic rankine cycle system and described cooling system are in closed condition, and described solar water heater electricity generating device is in stopping generating state;
When the temperature that described Double-temp. double-control temp. controller measures described water tank is higher than predetermined high temperature, automatically start described generating water heating system, described organic rankine cycle system and described cooling system, described solar water heater electricity generating device is in generating state;
When the temperature that described Double-temp. double-control temp. controller measures described water tank is between described predetermined low temperature level and described predetermined high temperature, startup, the closedown of described generating water heating system, described organic rankine cycle system and described cooling system maintain its adjacent state.
7. using method according to claim 6, it is characterized in that: described organic rankine cycle system also comprises organic working medium pump and organic working medium pump temp .-control valve, the working medium delivery outlet of described organic working medium pump temp .-control valve is connected with described vaporizer, described cooling system comprises the circulating water storage tank be connected with described condenser, the cooling waterpump temp .-control valve that the cooling waterpump be connected with the water outlet of described circulating water storage tank and respectively default described cooling waterpump and described condenser connect, wherein, described organic working medium pump, described organic working medium pump temp .-control valve, described cooling waterpump and described cooling waterpump temp .-control valve, the switch of described thermal source water pump and described thermal source water pump temp .-control valve controls by described Double-temp. double-control temp. controller according to the temperature of described water tank.
8. using method according to claim 7, it is characterized in that: when the temperature that described Double-temp. double-control temp. controller measures described water tank is lower than predetermined low temperature level, described Double-temp. double-control temp. controller controls described organic working medium pump temp .-control valve, described organic working medium pump, described thermal source water pump temp .-control valve, described thermal source water pump, described cooling waterpump temp .-control valve and described cooling waterpump and is in closed condition.
9. using method according to claim 7, it is characterized in that: when the temperature that described Double-temp. double-control temp. controller measures described water tank is higher than predetermined high temperature, described Double-temp. double-control temp. controller opens described cooling waterpump, described cooling waterpump temp .-control valve, described thermal source water pump, described thermal source water pump temp .-control valve, described organic working medium pump and described organic working medium pump temp .-control valve successively.
10. using method according to claim 7, it is characterized in that: when the temperature of described water tank is raised by described predetermined low temperature level, and when the mensuration temperature of described water tank is between described predetermined low temperature level and described predetermined high temperature, described Double-temp. double-control temp. controller controls described organic working medium pump temp .-control valve, described organic working medium pump, described thermal source water pump temp .-control valve, described thermal source water pump, described cooling waterpump temp .-control valve and described cooling waterpump maintain it and close, out-of-work state, described generating water heating system, described organic rankine cycle system and described cooling system maintain the state of closing, when the temperature of described water tank is reduced by described predetermined high temperature, and when the mensuration temperature of described water tank is between described predetermined low temperature level and described predetermined high temperature, described Double-temp. double-control temp. controller controls described cooling waterpump, described cooling waterpump temp .-control valve, described thermal source water pump, described thermal source water pump temp .-control valve, described organic working medium pump and described organic working medium pump temp .-control valve and maintains its opening state, and described generating water heating system, described organic rankine cycle system and described cooling system maintain its state starting, work.
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| CN104612918A (en) * | 2015-01-30 | 2015-05-13 | 天津大学 | Normal pressure type solar combined heat and power generation system |
| CN104913517A (en) * | 2015-06-29 | 2015-09-16 | 山东华春新能源有限公司 | Solar energy water heater |
| CN105545880A (en) * | 2015-12-29 | 2016-05-04 | 太原理工大学 | Hydraulic system cooling loop |
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| CN203685323U (en) * | 2013-12-13 | 2014-07-02 | 昆明理工大学 | Solar energy and biomass combined organic Rankine cycle system |
| CN204082239U (en) * | 2014-09-15 | 2015-01-07 | 郑州大学 | Solar water heater electricity generating device |
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| CN105545880A (en) * | 2015-12-29 | 2016-05-04 | 太原理工大学 | Hydraulic system cooling loop |
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| CN104265386B (en) | 2016-09-28 |
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