CN103225902A - Solar heat collection and exchange system - Google Patents
Solar heat collection and exchange system Download PDFInfo
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- CN103225902A CN103225902A CN2013101602507A CN201310160250A CN103225902A CN 103225902 A CN103225902 A CN 103225902A CN 2013101602507 A CN2013101602507 A CN 2013101602507A CN 201310160250 A CN201310160250 A CN 201310160250A CN 103225902 A CN103225902 A CN 103225902A
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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
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- 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
- Y02E10/44—Heat exchange systems
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Abstract
The invention discloses a solar heat collection and exchange system. The solar heat collection and exchange system comprises a heat transfer medium flowing circuit consisting of a solar heat collection system, a main heat exchanger, a heat collection inflow pipe and a heat collection return pipe, and further comprises a plurality of water circulation circuits; and each water circulation circuit comprises branch heat exchanges, a heat exchange inflow pipe, a heat exchanger return pipe and the main heat exchanger. The solar heat collection system has the advantages that water in the main heat exchanger is heated by a heat transfer medium; tap water in the water circulation circuits is heated by the main heat exchanger; once heat exchange is carried out between the main heat exchanger and the sub heat exchangers; the sub heat exchangers are in once heat exchange with water consuming points; twice heat exchange is carried out substantially, and the problem that a conventional solar hot water supply system cannot ensure the safety of water quality is effectively solved.
Description
Technical field
The present invention relates to technical field of solar, relate in particular to the solar energy heating heat-exchange system.
Background technology
Along with the continuous growth of world population, it is less and less that limited earth resource has been consumed, if things go on like this, and eventually can be totally.Waste water,waste gas and industrial residue also makes the environmental pollution degree around us serious day by day, and the problem that solves lack of energy, ecological deterioration can not be ignored.Concerning we mankind, solar energy is inexhaustible in a very long time, and utilization and conversion solar are important channels that solves worldwide energy crisis and environmental problem.Yet, application at present mainly concentrates on solar cell, but there is the defective of highly energy-consuming and high pollution in the production process of solar cell, and the supply respect heating, refrigeration, domestic hot-water is obviously not enough, and costing an arm and a leg of solar cell, bring investment efficiency ratio problem on the low side thus, be restricted on the expanded application on a large scale.In addition, present various solar thermal collectors and structure trunk binding ability are poor, and install complicated, the wind resistance deficiency, daylighting face cracky, the metal support structure part is many, and the waterproof thermal-insulated performance of roofing itself and the harmony of building itself are had harmful effect, has increased the later maintenance maintenance work difficulty of building itself.
Progress along with science and technology, people's energy-conserving and environment-protective consciousness improves constantly, pursuit to quality of the life is more and more higher, the foundation that can satisfy the high-efficiency solar utilization system of life each side will be developing tendency in future, but also there is the problem that can't guarantee water quality safety in present solar energy heating heat-exchange system.
Summary of the invention
The problem that the present invention solves is the problem that existing solar energy heating heat-exchange system can't be guaranteed water quality safety.
For addressing the above problem, the invention provides a kind of solar energy heating heat-exchange system, this system comprises solar thermal collection system, total heat exchanger, thermal-arrest influent stream pipe, the thermal-arrest return duct, heat exchange influent stream pipe, the heat exchange return duct, at least two branch heat exchangers, heat exchange influent stream bypass branch that equates with minute number of heat exchangers and the heat exchange bypass backflow arm that equates with minute number of heat exchangers, wherein, described solar thermal collection system is connected in total heat exchanger by described thermal-arrest influent stream pipe, and total heat exchanger is connected in solar thermal collection system by described thermal-arrest return duct and constitutes for the heat transfer medium flows loop; Described heat exchange influent stream pipe is connected in total heat exchanger, and described heat exchange return duct is connected in total heat exchanger; Each divides heat exchanger to be connected in described heat exchange influent stream pipe by a heat exchange influent stream bypass branch, be connected in described heat exchange return duct by a heat exchange backflow bypass branch, also be connected in the running water inlet pipeline and with water spot hot water outlet pipe road, each divides heat exchanger, heat exchange influent stream pipe, heat exchange return duct and total heat exchanger to constitute the loop of the circulation of supplying water.
As a kind of improvement project, described solar thermal collection system comprises metal heat exchanger tube, double layer glass cover plate, heat absorption film, heat-insulation layer and stainless steel casing, wherein, described metal heat exchanger tube is made of magnadure housing, the heat transfer pipe that is coated on the heat absorbing coating of this housing and is positioned at the alloy housing, also is provided with the heat exchange pipeline that is communicated with thermal-arrest influent stream pipe and thermal-arrest return duct respectively; Described double layer glass cover plate is arranged at metal heat exchanger tube top; Described heat absorption film is between double layer glass cover plate and described metal heat exchanger tube; Around the described heat-insulation layer clad metal heat exchanger tube; Described stainless steel casing is coated on around double layer glass cover plate and the heat-insulation layer.
As a kind of improvement project, described heat-exchange system also comprises first temperature sensor, second temperature sensor, first temperature controller, heat accumulation water pot and heater, wherein, the water inlet end of this heat accumulation water pot is provided with first temperature sensor and is communicated with described heat exchange influent stream pipe, the water side is provided with described second temperature sensor and is communicated with described heat exchange return duct, described first temperature controller connects described heater, receive the temperature of first temperature sensor and second temperature sensor, when the temperature of first temperature sensor and/or second temperature sensor is lower than preset temperature, control the running water in the described heater heating heat accumulation water pot.
As a kind of improvement project, described heater is industrial exhaust heat heater, gas heater or is arranged at the interior electrical heating wire of described heat accumulation water pot.
As a kind of improvement project, described thermal-arrest heat-exchange system also comprises heat exchange booster pump pipeline and heat exchange level pressure expansion drum, the water side that it specifically is the heat accumulation water pot that the water side of described heat accumulation water pot is communicated with described heat exchange return duct is by the described heat exchange return duct of this heat exchange booster pump pipeline connection, and the bypass of described heat exchange level pressure expansion drum is between the output and heat exchange booster pump pipeline of heat accumulation water pot.
As a kind of improvement project, described thermal-arrest heat-exchange system comprises three-temperature sensor, magnetic valve and second temperature controller, and wherein, described three-temperature sensor is connected in thermal-arrest influent stream pipe; It specifically is that thermal-arrest influent stream pipe is connected in described total heat exchanger by described magnetic valve that described thermal-arrest influent stream pipe is connected in total heat exchanger; Described second temperature controller connects three-temperature sensor and described magnetic valve, only when the three-temperature sensor sensed temperature is lower than the hot water temperature of total heat exchanger and is higher than freezing point temperature, controls described closed electromagnetic valve.
As a kind of improvement project, it also comprises thermal-arrest booster pump pipeline described thermal-arrest heat exchange, and it specifically is that this thermal-arrest influent stream pipe is connected in described total heat exchanger by described magnetic valve and thermal-arrest booster pump pipeline that described thermal-arrest influent stream pipe is connected in total heat exchanger.
As a kind of improvement project, described thermal-arrest heat-exchange system also comprises thermal-arrest level pressure expansion drum, and this thermal-arrest level pressure expansion drum bypass is in described thermal-arrest influent stream pipe.
Compared with prior art, the present invention has the following advantages:
1, because solar energy heating heat-exchange system of the present invention comprises by solar thermal collection system, total heat exchanger, the heat transfer medium flows loop that thermal-arrest influent stream pipe and thermal-arrest return duct constitute, also comprise by a minute heat exchanger, heat exchange influent stream pipe, many the water-flow circuits that heat exchange return duct and total heat exchanger constitute, like this, solar thermal collection system heats the water in total heat exchanger by heat transfer medium, total heat exchanger heats the running water in the water-flow circuit, carry out a heat exchange between total heat exchanger and the branch heat exchanger, divide heat exchanger and carry out a heat exchange with water spot, the present invention has carried out 2 heat exchange in fact, efficiently solves the problem that traditional solar energy hot water supply system can't be guaranteed water quality safety; In addition, because each divides heat exchanger, total heat exchanger, heat exchange influent stream pipe and heat exchange return duct to constitute the pipeline of the circulation of supplying water, like this, be equivalent to each and use the water spot parallel connection, therefore, each can not influence follow-up use with water spot greatly with water spot heat exchange amount owing to previous with not having the phase mutual interference between the water spot, can use hot water whenever and wherever possible.
2, because described solar thermal collection system comprises metal heat exchanger tube, double layer glass cover plate, heat absorption film, heat-insulation layer and stainless steel casing, like this, solar heat-exchange collecting system of the present invention install simple, supporting member is few, light weight, the good and good heat-transfer of strong, the waterproof thermal-insulated performance of crushing resistance.
3, owing to be provided with heat accumulation water pot, first temperature sensor, second temperature sensor and heater, like this, the heat accumulation water pot not only can stored hot water so that use at any time, and, can also be when the shortage of heat of solar thermal collection system (such as, overcast and rainy), by the auxiliary heating of heater, further guarantee to use water spot water at any time.
4, because described thermal-arrest heat-exchange system also comprises three-temperature sensor, the magnetic valve and second temperature controller, and only when the three-temperature sensor sensed temperature is lower than the hot water temperature of total heat exchanger and is higher than freezing point temperature, control described closed electromagnetic valve, like this, heat transfer medium can not flow and can not take away heat, and, when the three-temperature sensor sensed temperature is higher than freezing point temperature, the second control magnetic valve is opened, at this moment, by the auxiliary heating of heater, can be so that total heat exchanger heat heat transfer medium, and then, heat transfer medium flows in the heat transfer medium flows loop, thereby, solar thermal collection system is carried out back heating, prevent the solar thermal collection system bursting by freezing.
5, owing to be provided with the booster pump pipeline, can carry out supercharging to the water in the return duct, can satisfy high-rise water requirement, can guarantee to enter the user and divide heat exchanger that enough circulating hot water flows are arranged, thereby guarantee that the user can be convenient to use the hot water of equilibrium temperature with water spot; Owing to be provided with heat exchange level pressure expansion drum, so, make totally enclosed hot water cyclesystem internal pressure stabilises and can not cause that system expands and produce destruction because of water temperature changes.Owing to be provided with thermal-arrest booster pump pipeline, when sunny, the heat energy that solar thermal collection system is collected is very fast to be delivered to the heat accumulation water pot by circulation line by total heat exchanger, and solar energy is well stored; When not having sunlight and temperature near freezing point, the heat that the auxiliary heating system that heat accumulation water pot and heater constitute produces heats solar thermal collection system by total heat-exchange system and circulation line thereof, prevents the bursting by freezing of solar thermal collection system.
Description of drawings
Fig. 1 is the structural representation of solar energy heating heat-exchange system of the present invention;
Fig. 2 is the structural representation of the solar thermal collection system of solar energy heating heat-exchange system of the present invention;
Fig. 3 structural representation that to be the branch heat exchanger be connected with the heat exchange return duct with heat exchange influent stream pipe.
The specific embodiment
By describing technology contents of the present invention, structural feature in detail, being reached purpose and effect, described in detail below in conjunction with embodiment and conjunction with figs..
See also Fig. 1 to Fig. 3, present embodiment solar energy heating heat-exchange system comprises solar thermal collection system 1, total heat exchanger 2, at least two branch heat exchangers 3, thermal-arrest influent stream pipe 4, thermal-arrest return duct 5, heat exchange influent stream pipe 6, heat exchange return duct 7, the heat exchange influent stream bypass branch 6a that equate with the branch number of heat exchangers and the heat exchange bypass backflow arm 7a that equates with minute number of heat exchangers.
See also Fig. 2 and in conjunction with Fig. 1, described solar thermal collection system 1 is installed in top of building 19, be connected in total heat exchanger 2 by described thermal-arrest influent stream pipe 4, total heat exchanger 2 is connected in solar thermal collection system 1 by described thermal-arrest return duct 5 and constitutes for the heat transfer medium flows loop.Comprise metal heat exchanger tube 1a, double layer glass cover plate 1b, heat absorption film 1e, heat-insulation layer 1c and stainless steel casing 1d in the present embodiment.Described metal heat exchanger tube 1a is made of magnadure housing, the heat transfer pipe that is coated on the heat absorbing coating of this housing and is positioned at the alloy housing, also be provided with the heat exchange pipeline that is communicated with thermal-arrest influent stream pipe 4 and thermal-arrest return duct 5 respectively, this heat exchange pipeline is for heat transfer medium flows.Described double layer glass cover plate 1b is arranged at metal heat exchanger tube top.Described heat absorption film 1e is between double layer glass cover plate and described metal heat exchanger tube, and like this, sunshine sees through double glazing heating heat absorption film 1e, and heat cycles water, recirculated water are incubated by double glazing and make the heat can be to system's external diffusion.Around the described heat-insulation layer 1c clad metal heat exchanger tube 1a.Described stainless steel casing 1d is coated on around double layer glass cover plate 1b and the heat-insulation layer 1c.That the collecting system of said structure is installed is simple, supporting member is few, light weight, the good and good heat-transfer of strong, the waterproof thermal-insulated performance of crushing resistance.
Please continue to consult Fig. 1 and Fig. 3, described heat exchange influent stream pipe 6 is connected in total heat exchanger 2.Described heat exchange return duct 7 is connected in total heat exchanger 2.Each divides heat exchanger 3 to be connected in described heat exchange influent stream pipe 6 by a heat exchange influent stream bypass branch 6a, be connected in described heat exchange return duct 7 by a heat exchange backflow bypass branch 7a, also be connected in running water inlet pipeline 3a and with water spot hot water outlet pipe road 3b, each divides heat exchanger 3, heat exchange influent stream pipe 6, heat exchange return duct 7 and total heat exchanger 2 to constitute the loop of the circulation of supplying water.Described total heat exchanger 2 and branch heat exchanger 3 structures are basic identical, be that the volume of total heat exchanger 2 and corresponding heat exchange efficiency will be higher than each minute heat exchanger 3, simultaneously, total heat exchanger 2 and branch heat exchanger 3 can adopt general on the market two solution heat exchangers, promptly need to comprise two-way inlet pipeline and two-way outlet pipeline, the two-way inlet and outlet pipe does not mix mutually, but can realize hot-swap feature simultaneously.Possessing under the situation of said structure, solar thermal collection system 1 absorbs solar energy, described heat transfer medium circulates in the loop of metal heat exchanger tube 1, thermal-arrest influent stream pipe 4, thermal-arrest return duct 6 and total heat exchanger 2 formations of solar thermal collection system 1, thus, the heat that solar energy is produced is passed to total heat exchanger 2.Exchange interaction through total heat exchanger 2, heat is passed to the water-flow circuit that heat exchange influent stream pipe 6, each minute heat exchanger 3, heat exchange influent stream bypass branch 6a, heat exchange backflow bypass branch 7a and heat exchange return duct 7 constitute, the running water that the hot water of this water-flow circuit enters through the heat exchange effect of undue heat exchanger 3 and from the running water water inlet in this minute heat exchanger 3 become hot water, in such cases, as long as opening each minute heat exchanger with user of water spot, each 3 can use hot water.Through said process, running water in total 2 pairs of water-flow circuits of heat exchanger heats, carry out a heat exchange between total heat exchanger 2 and the branch heat exchanger 3, divide heat exchanger 3 and carry out a heat exchange with water spot, the present invention has carried out 2 heat exchange in fact, efficiently solves the problem that traditional solar energy hot water supply system can't be guaranteed water quality safety; In addition, because each divides heat exchanger 3, total heat exchanger 2, heat exchange influent stream pipe 6 and heat exchange return duct 7 to constitute the pipeline of the circulation of supplying water, like this, be equivalent to each and use the water spot parallel connection, therefore, each can not influence follow-up use with water spot greatly with water spot heat exchange amount owing to previous with not having the phase mutual interference between the water spot, can use hot water whenever and wherever possible.
Please continue to consult Fig. 1, because solar energy is subjected to weather effect bigger, uncertainty is very big, and it is for a long time overcast and rainy, the many days low situations of solar radiation amount may appear, in order to guarantee that in such cases, this system can make each layer can use hot water at any time with water spot, described heat-exchange system also comprises first temperature sensor 10, second temperature sensor 11, first temperature controller 12, heat accumulation water pot 8 and heater 9.The water inlet end of described heat accumulation water pot 8 is provided with described first temperature sensor 10 and is communicated with described heat exchange influent stream pipe 6, the water side is provided with described second temperature sensor 11 and is communicated with described heat exchange return duct 7, and this heat accumulation water pot 8 also is provided with filling pipe 17 and corresponding valve and relief tube 18 and corresponding valve.Described heater 9 is the electrical heating wire that is arranged in the described heat accumulation water pot 9 in the present embodiment, and certainly, described heater 9 also can be industrial exhaust heat heater or gas heater.Described first temperature controller 12 connects described heater 9, receive the temperature of first temperature sensor 10 and second temperature sensor 11, when the temperature of first temperature sensor 10 and/or second temperature sensor 11 is lower than preset temperature, control the running water in the described heater 9 heating heat accumulation water pots 8.Be provided with first temperature sensor 10, second temperature sensor 11, first temperature controller 12, behind heat accumulation water pot 8 and the heater 9, heat accumulation water pot 8 can be used to collect and store heat, both can store the heat that heat transfer medium brings from solar thermal collection system 1, also can store the heat that the recirculated water of described water circulation pipe brings, when the heat of overcast and rainy solar energy can not be satisfied the demand, start described heater 9, can guarantee each floor regular supply hot water, in addition, except overcast and rainy, at ordinary times also can storing heat, and guarantee can use at any time the temperature of hot water and hot water can both be at preset temperature.
Please continue to consult Fig. 1, in order to guarantee that high-rise user uses hot water, the present invention also is provided with heat exchange booster pump road 14 and heat exchange level pressure expansion drum 16, the water side that it specifically is heat accumulation water pot 8 that the water side of described heat accumulation water pot 8 is communicated with described heat exchange return duct 7 is communicated with described heat exchange return duct 7 by this heat exchange booster pump pipeline 14, and 16 bypasses of described heat exchange level pressure expansion drum are between the output and heat exchange booster pump pipeline 14 of heat accumulation water pot 8.
Please continue to consult Fig. 1, in order to prevent that heat transfer medium is frozen and the solar thermal collection system bursting by freezing, described thermal-arrest heat-exchange system comprises three-temperature sensor 20, magnetic valve and second temperature controller 21.Described three-temperature sensor 20 is connected in thermal-arrest influent stream pipe 6.It specifically is that thermal-arrest influent stream pipe 6 is connected in described total heat exchanger 2 by described magnetic valve that described thermal-arrest influent stream pipe 6 is connected in total heat exchanger 2.Described second temperature controller 21 connects three-temperature sensor 20 and described magnetic valves, only is lower than the hot water temperature of total heat exchanger 2 and when being higher than freezing point temperature, controls described closed electromagnetic valve in three-temperature sensor 20 sensed temperature.Like this, when temperature is below the freezing point temperature, described magnetic valve is opened, hot water circuit in the heat accumulation water pot 8 is to total heat exchanger 2, pass through the heat exchange effect of total heat exchanger 2 and heat heat transfer medium, thus, the loop flow that heat transfer medium constitutes at thermal-arrest influent stream pipe 4, thermal-arrest return duct 5, total heat exchanger 2 and solar thermal collection system 1 flows after heat transfer medium is heated and can avoid solar thermal collection system 1 bursting by freezing.And when three-temperature sensor 20 sensed temperature are lower than the temperature of total heat exchanger 2, such as, rainy weather and so on, closed electromagnetic valve, in such cases, by heater 9, heat accumulation water pot 8, total heat exchanger 2, heat exchange influent stream pipe 6, heat exchange return duct 7 and each minute each loop of constituting of heat exchanger 3 satisfy each and use hot water with water spot.When the temperature that senses when three-temperature sensor 20 is higher than the temperature of total heat exchanger 2, at this moment, by solar thermal collection system 1, thermal-arrest influent stream pipe 4, total heat exchanger 2, thermal-arrest return duct 5, heat exchange influent stream pipe 6, heat exchange return duct 7, heat accumulation water pot 8(at this moment, heat accumulation water pot 8 only stores water, and this water can be the hot water that is not heated by heater 9) loop that constitutes and satisfy each and use hot water with water spot.
Please continue to consult Fig. 1, for store solar energy to greatest extent and protect solar thermal collection system in low temperature condition not by bursting by freezing, when sunny, the heat energy that solar thermal collection system is collected is very fast to be delivered to the heat accumulation water pot by circulation line by total heat exchanger, and solar energy is well stored; When not having sunlight and temperature near freezing point, heat accumulation water pot 8 heats solar thermal collection system by total heat-exchange system and circulation line with the heat of the auxiliary heating system that heater 9 constitutes, and prevents the bursting by freezing of solar thermal collection system.Described thermal-arrest heat exchanger also comprises thermal-arrest booster pump pipeline 13, and it specifically is that this thermal-arrest influent stream pipe 4 is connected in described total heat exchanger 2 by described magnetic valve and thermal-arrest booster pump pipeline 13 that described thermal-arrest influent stream pipe 4 is connected in total heat exchanger 2.
Please continue to consult Fig. 1, can not cause that system's expansion produces destruction in order to make totally enclosed hot water cyclesystem internal pressure stabilises because of water temperature changes, described thermal-arrest heat-exchange system also comprises thermal-arrest level pressure expansion drum 15, and these thermal-arrest level pressure expansion drum 15 bypasses are in described thermal-arrest influent stream pipe 4.
Claims (8)
1. solar energy heating heat-exchange system, it is characterized in that: this system comprises solar thermal collection system, total heat exchanger, thermal-arrest influent stream pipe, thermal-arrest return duct, heat exchange influent stream pipe, heat exchange return duct, at least two branch heat exchangers, the heat exchange influent stream bypass branch that equate with the branch number of heat exchangers and the heat exchange bypass backflow arm that equates with minute number of heat exchangers, wherein
Described solar thermal collection system is connected in total heat exchanger by described thermal-arrest influent stream pipe, and total heat exchanger is connected in solar thermal collection system by described thermal-arrest return duct and constitutes for the heat transfer medium flows loop;
Described heat exchange influent stream pipe is connected in total heat exchanger, and described heat exchange return duct is connected in total heat exchanger;
Each divides heat exchanger to be connected in described heat exchange influent stream pipe by a heat exchange influent stream bypass branch, be connected in described heat exchange return duct by a heat exchange backflow bypass branch, also be connected in the running water inlet pipeline and with water spot hot water outlet pipe road, each divides heat exchanger, heat exchange influent stream pipe, heat exchange return duct and total heat exchanger to constitute the loop of the circulation of supplying water.
2. solar energy heating heat-exchange system according to claim 1 is characterized in that: described solar thermal collection system comprises metal heat exchanger tube, double layer glass cover plate, heat absorption film, heat-insulation layer and stainless steel casing, wherein,
Described metal heat exchanger tube is made of magnadure housing, the heat transfer pipe that is coated on the heat absorbing coating of this housing and is positioned at the alloy housing, also is provided with the heat exchange pipeline that is communicated with thermal-arrest influent stream pipe and thermal-arrest return duct respectively;
Described double layer glass cover plate is arranged at metal heat exchanger tube top;
Described heat absorption film is between double layer glass cover plate and described metal heat exchanger tube;
Around the described heat-insulation layer clad metal heat exchanger tube;
Described stainless steel casing is coated on around double layer glass cover plate and the heat-insulation layer.
3. solar energy heating heat-exchange system according to claim 1 and 2 is characterized in that: described heat-exchange system also comprises first temperature sensor, second temperature sensor, first temperature controller, heat accumulation water pot and heater, wherein,
The water inlet end of this heat accumulation water pot is provided with first temperature sensor and is communicated with described heat exchange influent stream pipe, and the water side is provided with described second temperature sensor and is communicated with described heat exchange return duct,
Described first temperature controller connects described heater, receive the temperature of first temperature sensor and second temperature sensor, when the temperature of first temperature sensor and/or second temperature sensor is lower than preset temperature, control the running water in the described heater heating heat accumulation water pot.
4. solar energy heating heat-exchange system according to claim 3 is characterized in that: described heater is industrial exhaust heat heater, gas heater or is arranged at the interior electrical heating wire of described heat accumulation water pot.
5. solar energy heating heat-exchange system according to claim 3, it is characterized in that: described thermal-arrest heat-exchange system also comprises heat exchange booster pump pipeline and heat exchange level pressure expansion drum, the water side that it specifically is the heat accumulation water pot that the water side of described heat accumulation water pot is communicated with described heat exchange return duct is by the described heat exchange return duct of this heat exchange booster pump pipeline connection, and the bypass of described heat exchange level pressure expansion drum is between the output and heat exchange booster pump pipeline of heat accumulation water pot.
6. solar energy heating heat-exchange system according to claim 3 is characterized in that: described thermal-arrest heat-exchange system comprises three-temperature sensor, magnetic valve and second temperature controller, wherein,
Described three-temperature sensor is connected in thermal-arrest influent stream pipe;
It specifically is that thermal-arrest influent stream pipe is connected in described total heat exchanger by described magnetic valve that described thermal-arrest influent stream pipe is connected in total heat exchanger;
Described second temperature controller connects three-temperature sensor and described magnetic valve, only when the three-temperature sensor sensed temperature is lower than the hot water temperature of total heat exchanger and is higher than freezing point temperature, controls described closed electromagnetic valve.
7. solar energy heating heat-exchange system according to claim 6, it is characterized in that: described thermal-arrest heat-exchange system also comprises thermal-arrest booster pump pipeline, and it specifically is that this thermal-arrest influent stream pipe is connected in described total heat exchanger by described magnetic valve and thermal-arrest booster pump pipeline that described thermal-arrest influent stream pipe is connected in total heat exchanger.
8. solar energy heating heat-exchange system according to claim 6 is characterized in that: described thermal-arrest heat-exchange system also comprises thermal-arrest level pressure expansion drum, and this thermal-arrest level pressure expansion drum bypass is in described thermal-arrest influent stream pipe.
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| CN201310160250.7A CN103225902B (en) | 2013-05-03 | 2013-05-03 | Solar energy heating heat-exchange system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104654600A (en) * | 2014-12-18 | 2015-05-27 | 中国科学院广州能源研究所 | Cooperative control system and method for realizing industrial application of solar heat-collecting system |
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