CN208205475U - A kind of solar energy list storage heater cyclic utilization system - Google Patents
A kind of solar energy list storage heater cyclic utilization system Download PDFInfo
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- CN208205475U CN208205475U CN201820022218.0U CN201820022218U CN208205475U CN 208205475 U CN208205475 U CN 208205475U CN 201820022218 U CN201820022218 U CN 201820022218U CN 208205475 U CN208205475 U CN 208205475U
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- storage heater
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- solar energy
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- 125000004122 cyclic group Chemical group 0.000 title claims abstract description 19
- 230000004087 circulation Effects 0.000 claims abstract description 39
- 238000009825 accumulation Methods 0.000 claims abstract description 12
- 230000001172 regenerating effect Effects 0.000 claims abstract description 8
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 6
- 238000012545 processing Methods 0.000 claims description 8
- 239000012774 insulation material Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000010248 power generation Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 3
- 150000003839 salts Chemical class 0.000 description 39
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012943 hotmelt Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005338 heat storage Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The utility model discloses a kind of solar energy list storage heater cyclic utilization systems, belong to technical field of solar utilization technique.Mainly for reducing solar energy cyclic utilization system occupied area, cost of investment is reduced, energy dissipation is reduced, improves accumulation of heat effect, thermal conversion efficiency is improved and designs.Including heat collector, storage heater, heat exchanger, working medium, it is characterized by: heat collector and heat exchanger form thermal-arrest heat exchange cycle circuit by pipeline connection, heat collector and storage heater pass through pipeline connection formation heat-collection and heat-accumulation circulation loop, by pipeline connection formation regenerative heat exchange circulation loop, heat exchanger is connected with heat utilization device for storage heater and heat exchanger.The utility model reduces occupied area, reduces initial investment cost, simplifies solar light-heat power-generation system, reduce the energy dissipation of intermediate duct and storage heater, it ensure that accumulation of heat effect, improve the thermal conversion efficiency of storage heater, realize that solar energy is safe and stable, continuous power generation.
Description
Technical field
The utility model belongs to technical field of solar utilization technique, and in particular to a kind of solar energy list storage heater, which recycles, is
System.
Background technique
The energy utilization system for the heat source fluctuations such as storage heater is widely used in solar energy thermal-power-generating, industrial exhaust heat utilizes, in recent years
Carry out solar energy thermal-power-generating by unprecedented attention and development, thus to the high hot-fluid heat storage technology of the efficient high temperature of economic and reliable
Demand it is more urgent.Low-temperature heat accumulating technology is widely present at present, but lacks the high hot-fluid heat storage technology of high temperature.
Hold over system is indispensable a part in solar energy utilization system, has the work of balance heat supply peak load
With, night no light heat source provide heat output, improve the reliability and continuity of electricity generation system.The energy of photo-thermal power station stores up
It deposits frequently with double tank fused salt heat reservoirs, it is generally made of a high-temperature tank and a cryogenic tank.When power station stores energy,
Sloppy heat salt in cryogenic tank obtains thermal temperature and increases, and is stored in high-temperature tank；When night, power station needed energy, high-temperature tank
In high-temperature molten salt and water heat exchange generate Steam Actuation steam turbine power generation, temperature of molten salt reduces and returns in cryogenic tank and store.
Currently, double tank storage heaters face, storage heater volume is larger, construction cost is compared with high, occupied area is more, thermal losses is big, heat
The problems such as transfer efficiency is lower.
Utility model content
In view of the above-mentioned problems, the utility model provides a kind of solar energy list storage heater cyclic utilization system.
In order to achieve the above objectives, a kind of solar energy list storage heater cyclic utilization system of the utility model, including heat collector,
Storage heater, heat exchanger, working medium, wherein the heat collector and the heat exchanger form thermal-arrest heat exchange cycle by pipeline connection and return
Road, in thermal-arrest heat exchange cycle circuit, the pipeline for connecting the heat collector outlet end is equipped with the first valve, described in connection
The pipeline of heat collector input end is equipped with the 5th valve；The heat collector and the storage heater form thermal-arrest by pipeline connection and store
Pipeline where soft circulation circuit, the storage heater and the heat exchanger is in parallel, in the heat-collection and heat-accumulation circulation loop, connection
The pipeline of the storage heater input end is equipped with the second valve, and the pipeline for connecting the accumulator outlet end is equipped with the 4th valve
Door；The storage heater and the heat exchanger are recycled by pipeline connection formation regenerative heat exchange circulation loop in the regenerative heat exchange
In circuit, the pipeline at the accumulator outlet end is connected equipped with third valve, on the pipeline for connecting the storage heater input end
Equipped with the 6th valve；The heat exchanger is connected with heat utilization device.
The first temperature sensor is equipped in the pipeline of the heat collector outlet end preferably, connecting；Connect the storage heater
Second temperature sensor is equipped in the pipeline of outlet end.
First circulation pump is in series in the pipeline of the heat collector outlet end preferably, connecting；The storage heater is connected to go out
Second circulation pump is in series in the pipeline at mouth end.
Preferably, the system also includes central controller, first valve, second valve, the third valve
At least one valve in door, the 4th valve, the 5th valve and the 6th valve and the central controller by
Control connection；First temperature sensor and the second temperature sensor are electrically connected with the central controller；Described first
Circulating pump and/or second circulation pump are electrically connected with the central processing unit.
Preferably, the storage heater and/or the pipeline are enclosed with thermal insulation material.
Preferably, the storage heater is equipped with safety valve.
Preferably, the bottom of the storage heater is equipped with exhaust-valve.
Compared with prior art, the utility model has the advantage that
The utility model uses the heat-accumulator tank of monomer, and storage heater is small in size, construction cost is low, occupied area is few, thermal losses
Small, the advantages that thermal conversion efficiency is high.
Detailed description of the invention
Fig. 1 is one embodiment schematic diagram of the utility model.
Wherein: 1 heat collector；2 first circulations pump；3 heat exchangers；4 heat utilization devices；5 storage heaters；6 second circulations pump；7
One valve；8 second valves；9 third valves；10 the 4th valves；11 the 5th valves；12 the 6th valves；13 first temperature sensors；
14 second temperature sensors.
Specific embodiment
With reference to the accompanying drawings of the specification and embodiment is further described the utility model.
Embodiment 1
As shown in Figure 1, present embodiments providing a kind of solar energy list storage heater cyclic utilization system, including heat collector 1, storage
Hot device 5, heat exchanger 3, working medium, wherein the heat collector 1 forms thermal-arrest heat exchange cycle by pipeline connection with the heat exchanger 3
Circuit, in thermal-arrest heat exchange cycle circuit, the pipeline for connecting the heat collector outlet end is equipped with the first valve 7, connection
The pipeline of the heat collector input end is equipped with the 5th valve 11；The heat collector 1 passes through pipeline connection shape with the storage heater 5
At heat-collection and heat-accumulation circulation loop, the pipeline where the storage heater 5 and the heat exchanger 3 is in parallel, recycles in the heat-collection and heat-accumulation
In circuit, the pipeline of the storage heater input end is connected equipped with the second valve 8, on the pipeline for connecting the accumulator outlet end
Equipped with the 4th valve 10；The storage heater 5 forms regenerative heat exchange circulation loop by pipeline connection with the heat exchanger 3, in institute
It states in regenerative heat exchange circulation loop, the pipeline for connecting the accumulator outlet end is equipped with third valve 9, connects the storage heater
The pipeline of input end is equipped with the 6th valve 12；The heat exchanger 3 is connected with heat utilization device 4.
The heat collector 1 is connected to form circulation loop with the storage heater 5, and the heat collector 1 is connected to the heat exchanger 3
Circulation loop is formed, the pipeline where the storage heater 5 and the heat exchanger 3 is in parallel.The heat collector 1 absorbs solar energy, adds
Working medium in the heat heat collector 1, originally apply working medium described in example refer in particular to fused salt (it should be noted that: the skill of this field
Art personnel should know that working medium signified in the utility model is not limited to fused salt, can also use other working medium such as conduction oil
Instead of), the fused salt after heating respectively enters the storage heater 5 and the heat exchanger 3 by valve setting by pipeline, and heat is stored up
It there are in the storage heater 5, exchanges heat in the heat exchanger 3, provides thermal energy for heat utilization device 4.5 He of storage heater
The fused salt flowed out in the heat exchanger 3 enters in the heat collector 1 in process return to be heated.
Wherein, first valve 7 is arranged on 1 outlet of heat collector, enters 5 He of storage heater for controlling
Total flow rate of molten salt of the heat exchanger 3, the 5th valve 11 is arranged on 1 inlet tube of heat collector, molten for controlling
Salt circulation is again introduced into the heat collector 1；The inlet tube position of the 5 place pipeline of storage heater is arranged in second valve 8
It sets, for controlling the flow rate of molten salt into the storage heater 5, the 4th valve 10 is arranged in the 5 place pipeline of storage heater
Outlet position, for control fused salt from the storage heater 5 outflow return in the heat collector 1；The third valve 9 is set
It sets in the position of 5 export pipeline of storage heater, for controlling the high-temperature molten salt flow come out from the storage heater 5, described the
The position of 5 inlet ductwork of storage heater is arranged in six valves 12, and for controlling, from the heat exchanger 3, sloppy heat salt is received again out
Collect in the storage heater 5.
At night, it is arranged by valve, the third valve 9 and the 6th valve 12 fully open, other valves close
It closes, the storage heater 5 is connected to form circulation loop with the heat exchanger 3, and hot melt salt enters described from the storage heater 5 outflow
In heat exchanger 3, heat is provided for the heat utilization device 4, sloppy heat salt after cooling returns in the storage heater 5.By right
The setting of the storage heater 5 can separately store hot melt salt with sloppy heat salt, to daytime after sloppy heat salt is transported to the collection again
It is heated in hot device 1, and then realizes recycling for fused salt.
By solar energy to the storage heater 5 carry out accumulation of heat while, can use the heat exchanger 3 exchange heat outward it is defeated
Energy out, the storage heater 5 and the heat exchanger 3 can finally realize fused salt with one of independent operating or isolated operation
Circulation in each system again provides heat for heat utilization device 4.
The present embodiment reduces occupied area compared to double tank heat accumulator systems using single tank storage heater form, reduces just
Phase cost of investment simplifies solar light-heat power-generation system, reduces the energy dissipation of intermediate duct and storage heater, ensure that accumulation of heat
Effect, improves the thermal conversion efficiency of storage heater, realizes that solar energy is safe and stable, continuous power generation.
Embodiment 2
As shown in Figure 1, on the basis of the above embodiments doing a kind of solar energy list storage heater cyclic utilization system into one
The improvement of step connects and is equipped with the first temperature sensor 13 in the pipeline of the heat collector outlet end；Connect the accumulator outlet
Second temperature sensor 14 is equipped in the pipeline at end.The outlet port of heat collector 1 is arranged in first temperature sensor 13, for surveying
It measures heat collector 1 and exports temperature of molten salt, the outlet port of storage heater 5 is arranged in the second temperature sensor 14, stores for measuring
Hot device 5 exports temperature of molten salt.Equally, temperature sensor can also be set in the other equipment such as heat exchanger, it is each for detecting
The temperature at position, and then implement corresponding control measure convenient for the detection to each circulation loop and for testing result.
Embodiment 3
As shown in Figure 1, on the basis of the above embodiments doing a kind of solar energy list storage heater cyclic utilization system into one
The improvement of step connects and is in series with first circulation pump 2 in the pipeline of the heat collector outlet end；Connect the accumulator outlet end
Second circulation pump 6 is in series in pipeline.By using the setting of circulating pump in pipeline, for circulating in fused salt again system
Power is provided and controls the flow velocity of fused salt.First valve 7 and first circulation pump 2 are arranged in 1 institute of heat collector
In the outlet port of pipeline, the setting of the second valve 8 enters the heat benefit in 5 entry position of storage heater, for controlling
With the flow rate of molten salt of device 4 and the storage heater 5, the third valve 9 and second circulation pump 6 are arranged in the storage heater
The outlet port of 5 place pipelines, for controlling output flow of the fused salt from storage heater.
Embodiment 4
As shown in Figure 1, on the basis of the above embodiments doing a kind of solar energy list storage heater cyclic utilization system into one
The improvement of step, the system also includes central controller, first valve 7, second valve 8, the third valve 9,
At least one valve and the central controller in 4th valve 10, the 5th valve 11 and the 6th valve 12
Controlled connection；First temperature sensor 13 and the second temperature sensor 14 are electrically connected with the central controller；Institute
It states first circulation pump 2 and/or second circulation pump 6 is electrically connected with the central processing unit.
The central processing unit controls first valve 7 and other valves are opened and closed to the 5th valve 11,
Form thermal-arrest heat exchange cycle circuit；The central processing unit controls the first valve 7, the second valve 8, the 4th valve 10 and institute
It states the 5th valve 11 and opens and close other valves, form heat-collection and heat-accumulation circulation loop, the storage heater 5 and the heat exchanger
Pipeline where 3 is in parallel；Other valves are opened and closed to the central processing unit control third valve 9 and the 6th valve 12,
Form regenerative heat exchange circulation loop.
When the temperature of first temperature sensor 13 measurement is higher than certain temperature, the central controller control
It makes second valve 8 and increases aperture, keep output thermic load steady to reduce into 3 flow rate of molten salt of heat exchanger；When
When the temperature that first temperature sensor 13 measures is lower than certain temperature, second described in the central controller controls
Valve 8 reduces aperture, increases heat exchange amount to increase into 3 flow rate of molten salt of heat exchanger.
When first temperature sensor 13 measurement temperature as low as to a certain degree when, show that illumination is not strong or night
Evening or solar thermal collector go wrong, at this time first valve 7, second valve 8,10 and of the 4th valve
5th valve 11 can be automatically closed, and the third valve 9 and the 6th valve 12 can fully open, the storage heater 5
Form a circulation line with the pipeline where the heat exchanger 3, fused salt from the storage heater 5 enter in the heat exchanger 3 into
Row heat exchange provides continuous heat source for the heat utilization device 4.When the temperature of the second temperature sensor 14 measurement is as low as certain
When degree, show that the fused salt inside the storage heater 5 all becomes sloppy heat salt, the central processing unit is into one at this time
Step closes the third valve 9 and the 6th valve 12, and the irradiation of sunlight is waited to be added again by the heat collector 1 to fused salt
Heat, and then it is always ensured that hot melt salt flows through the heat exchanger 3 to provide heat to the heat utilization device 4, realize system oneself
Dynamic control.
Meanwhile the central processing unit can control first circulation pump 2 and/or second circulation pump 6 respectively according to demand
To provide power to the flowing of fused salt and control the flow rate of fused salt, guarantees circulation of the fused salt in each system.
Embodiment 5
As shown in Figure 1, on the basis of the above embodiments doing a kind of solar energy list storage heater cyclic utilization system into one
The improvement of step, the storage heater 5 and/or the pipeline are enclosed with thermal insulation material, and then reduce the heat waste of system in the present embodiment
It consumes to increase accumulation of heat effect, improves thermal conversion efficiency；The storage heater 5 is equipped with safety valve, and the installation valve is adjustable described
Pressure inside storage heater 5 guarantees the safe operation of the present embodiment；The storage heater 5 is equipped with the electric heating dress of anti-working medium condensation
Set, in this way can to avoid fused salt in 5 internal condensate of storage heater and influencing the circulation of fused salt in the entire system causes entirely
System cisco unity malfunction；The bottom of the storage heater 5 is equipped with exhaust-valve, by the way that the exhaust-valve is arranged, can be convenient quick
Solute is discharged to the storage heater 5, convenient for clean or reply emergency situations, increase the service life of the present embodiment.
More than, the only preferred embodiment of the utility model, but protection scope of the utility model is not limited thereto, appoints
What those familiar with the art within the technical scope disclosed by the utility model, the variation that can readily occur in or replaces
It changes, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with claim
Subject to the protection scope defined.
Claims (8)
1. a kind of solar energy list storage heater cyclic utilization system, including heat collector, storage heater, heat exchanger, working medium, feature exist
In:
The heat collector and the heat exchanger are by pipeline connection formation thermal-arrest heat exchange cycle circuit, in the thermal-arrest heat exchange cycle
In circuit, the pipeline of the heat collector outlet end is connected equipped with the first valve, on the pipeline for connecting the heat collector input end
Equipped with the 5th valve；
The heat collector and the storage heater storage heater and described are changed by pipeline connection formation heat-collection and heat-accumulation circulation loop
Pipeline where hot device is in parallel, and in the heat-collection and heat-accumulation circulation loop, the pipeline for connecting the storage heater input end is equipped with
Second valve, the pipeline for connecting the accumulator outlet end are equipped with the 4th valve；
The storage heater and the heat exchanger are recycled by pipeline connection formation regenerative heat exchange circulation loop in the regenerative heat exchange
In circuit, the pipeline at the accumulator outlet end is connected equipped with third valve, on the pipeline for connecting the storage heater input end
Equipped with the 6th valve；
The heat exchanger is connected with heat utilization device.
2. a kind of solar energy list storage heater cyclic utilization system as described in claim 1, it is characterised in that:
It connects and is equipped with the first temperature sensor in the pipeline of the heat collector outlet end；
It connects and is equipped with second temperature sensor in the pipeline at the accumulator outlet end.
3. a kind of solar energy list storage heater cyclic utilization system as described in claim 1, it is characterised in that:
It connects and is in series with first circulation pump in the pipeline of the heat collector outlet end；
It connects and is in series with second circulation pump in the pipeline at the accumulator outlet end.
4. a kind of solar energy list storage heater cyclic utilization system as claimed in claim 2, it is characterised in that:
The system also includes central controller, first valve, second valve, the third valve, the described 4th
At least one valve and the central controller controlled connection in valve, the 5th valve and the 6th valve；
First temperature sensor and the second temperature sensor are electrically connected with the central controller.
5. a kind of solar energy list storage heater cyclic utilization system as claimed in claim 3, it is characterised in that:
The system also includes central controller, first valve, second valve, the third valve, the described 4th
At least one valve and the central controller controlled connection in valve, the 5th valve and the 6th valve；
The first circulation pump and/or second circulation pump are electrically connected with the central processing unit.
6. a kind of solar energy list storage heater cyclic utilization system as described in claim 4-5 any one claim, special
Sign is:
The storage heater and/or the pipeline are enclosed with thermal insulation material.
7. a kind of solar energy list storage heater cyclic utilization system as described in claim 4-5 any one claim, special
Sign is:
The storage heater is equipped with safety valve.
8. a kind of solar energy list storage heater cyclic utilization system as described in claim 4-5 any one claim, special
Sign is:
The bottom of the storage heater is equipped with exhaust-valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820022218.0U CN208205475U (en) | 2018-01-05 | 2018-01-05 | A kind of solar energy list storage heater cyclic utilization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820022218.0U CN208205475U (en) | 2018-01-05 | 2018-01-05 | A kind of solar energy list storage heater cyclic utilization system |
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| Publication Number | Publication Date |
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| CN208205475U true CN208205475U (en) | 2018-12-07 |
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ID=64490683
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| CN201820022218.0U Active CN208205475U (en) | 2018-01-05 | 2018-01-05 | A kind of solar energy list storage heater cyclic utilization system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112815555A (en) * | 2020-12-30 | 2021-05-18 | 国网河北省电力有限公司电力科学研究院 | Photo-thermal power generation system |
| CN113310224A (en) * | 2020-02-26 | 2021-08-27 | 中车四方车辆有限公司 | Solar electric heating water boiler system of rail transit train |
| CN115013269A (en) * | 2022-08-04 | 2022-09-06 | 煤炭工业太原设计研究院集团有限公司 | Solar-assisted intermediate-deep geothermal heat pipe energy system and control method thereof |
-
2018
- 2018-01-05 CN CN201820022218.0U patent/CN208205475U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113310224A (en) * | 2020-02-26 | 2021-08-27 | 中车四方车辆有限公司 | Solar electric heating water boiler system of rail transit train |
| CN113310224B (en) * | 2020-02-26 | 2022-11-04 | 中车四方车辆有限公司 | Solar electric heating water boiler system of rail transit train |
| CN112815555A (en) * | 2020-12-30 | 2021-05-18 | 国网河北省电力有限公司电力科学研究院 | Photo-thermal power generation system |
| CN115013269A (en) * | 2022-08-04 | 2022-09-06 | 煤炭工业太原设计研究院集团有限公司 | Solar-assisted intermediate-deep geothermal heat pipe energy system and control method thereof |
| CN115013269B (en) * | 2022-08-04 | 2022-10-25 | 煤炭工业太原设计研究院集团有限公司 | Solar-assisted intermediate-deep geothermal heat pipe energy system and control method thereof |
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