CN206562085U - A kind of heating system of the hot generating fused salt storage tank of solar energy high temperature - Google Patents
A kind of heating system of the hot generating fused salt storage tank of solar energy high temperature Download PDFInfo
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- CN206562085U CN206562085U CN201720160010.0U CN201720160010U CN206562085U CN 206562085 U CN206562085 U CN 206562085U CN 201720160010 U CN201720160010 U CN 201720160010U CN 206562085 U CN206562085 U CN 206562085U
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- storage tank
- solar energy
- fused salt
- heating system
- high temperature
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Abstract
The utility model discloses a kind of heating system of the hot generating fused salt storage tank of solar energy high temperature, belong to solar energy thermal-power-generating technical field, including storage tank body and heater, described heater is used to heat storage tank body, described heater is arranged on the surface of described storage tank body, or is arranged in the hollow cavity that described storage tank body internal surface is formed with outer surface.Heating system of the present utility model can realize the preheating to storage tank, the heating realized after storage thing to storing thing can be injected in storage tank again, simultaneously, additionally it is possible to avoid the perforate on storage tank, reliability, the stability of storage tank are improved, the risk that storage tank is leaked is effectively reduced.
Description
Technical field
The utility model belongs to solar energy thermal-power-generating technical field, more particularly to a kind of hot generating fused salt storage of solar energy high temperature
The heating system of tank.
Background technology
The hot generation technology of solar energy high temperature is the important directions that solar energy scale is utilized, and fossil energy is solved to the mankind
The problems such as source crisis, air pollution, has far-reaching significance.The working medium that solar energy high temperature heat generating is used has water (water vapour), melted
Other heat-conducting mediums such as salt, air, conduction oil and liquid metal.Due to the fluctuation and discontinuity of solar irradiation, solar energy
Photo-thermal power generation must have extensive heat accumulation could continuous-stable.Fuse salt has that temperature in use is high, temperature range is wide, flow behavior
The characteristic such as good, thermal capacity is big, the problem of solar energy is unstable can be just solved for heat accumulation, is the sun most widely used at present
Can heat accumulation working medium.
Fused salt is stored in the large-scale vertical fused salt storage tank of particular design, and the temperature in use and liquid storage density of fused salt storage tank are equal
Conventional large-scale vertical storage tank is significantly exceeded.When fused salt storage tank is enabled first, normal temperature state is in before salt if entered, is entered
High-temperature molten salt heat suddenly, the thermal stress of generation easily influences reliability and the life-span of storage tank, or even makes storage tank in the short time
Implosion, therefore, before storage tank enters salt first, must be preheated to tank body；In addition, fused salt storage tank temperature is very high, heat dissipation capacity compared with
Greatly, even if there is very thick heat-insulation layer, the fused salt of tank memory storage also can have certain during whole solar energy thermal-power-generating station is shut down
Temperature drop, in order to ensure that fused salt does not solidify in tank, fused salt storage tank has also needed to electric heater unit.
Fused salt storage tank heating in current solar energy thermal-power-generating is generally using plug-in type electric heater come molten in heating tank
Salt, the program has following deficiency：First, plug-in type electric heater is such as inserted from tank skin, it is necessary in tank skin perforate, largely
Increase the risk of tank leak；Secondly, plug-in type electric heater is such as covered from storage tank and inserted, and is added because storage tank is mainly low liquid level
Heat demand, the electric heater heating section accounting for causing to be immersed in fused salt is too small, if increase electric heating unit quantity, can cause again
Cost is too high, also, the storage tank capping the number of openings stability that excessively also influence storage tank is covered；In addition, plug-in type electric heater
Surface power is excessive, easy burn-out；Finally, plug-in type electric heater discrete distribution in tank causes heat energy skewness, nothing
Method undertakes storage tank preheating function, and storage tank needs separately to set pre-heating system, so as to increase heat reservoir construction cost.
The content of the invention
For above mentioned problem present in background technology, the utility model provides a kind of hot generating fused salt of solar energy high temperature
The heating system of storage tank, the heating system of the storage tank can realize the preheating to storage tank, can be injected again in storage tank after storage thing
The heating to storing thing is realized, simultaneously, additionally it is possible to avoid the perforate on storage tank, the reliability of storage tank is improved.
The technical solution of the utility model is as follows：
A kind of heating system of the hot generating fused salt storage tank of solar energy high temperature, including storage tank body and heater, it is described
Storage tank body includes storage tank bottom and storage tank shell, and described heater is used to heat described storage tank body, and described adds
Thermal is arranged on the surface of described storage tank body, or is arranged on described storage tank body internal surface and is formed with outer surface
Hollow cavity in.The utility model can avoid the perforate on storage tank body from setting plug-in type by using the technical scheme
Electrically heated rod, so as to better ensure that the stability of storage tank, the risk that effectively reduction storage tank is leaked.
Preferably, in addition to the storage tank body upper part storage tank capping being connected and circulating fan, described storage tank envelope
Cover and be provided with air inlet and gas outlet, the gas outlet is connected by circulating line with the air inlet of described circulating fan,
Described air inlet is connected by described circulating line with the gas outlet of the circulating fan.The utility model is setting heating
While device, by setting circulating fan, it in storage tank warm-up phase, can be circulated the air-flow in storage tank, so as to
Tank inside various pieces is uniformly preheated, and then avoid injecting high temperature storage thing after storage tank because of thermal stress damage storage
Tank.
Preferably, described heater is to be wrapped in described storage tank bottom and/or the interior table of described storage tank shell
Electric heating wire on face and/or outer surface.
Preferably, described heater is the electric heating wire in the hollow cavity described in setting.
Preferably, described electric heating wire is armouring mineral insulation electric heating wire.The electric heating wire that the utility model is used
Cost is low, and flexibility is higher, can adapt to variously-shaped storage tank.
Preferably, described heater is gas phase thermal source or liquid phase thermal source, and entrance is provided with described hollow cavity
End and the port of export, the hot gas of gas phase thermal source or the hydrothermal solution of liquid phase thermal source are entered by described arrival end, and through the described port of export
Discharge, forms circulating reflux.The utility model by storage tank shell and/or tank bottom by being designed as hollow structure, when gas phase thermal source
In hot gas or hydrothermal solution injection hollow cavity in liquid phase thermal source after, because hot gas or hydrothermal solution are respectively provided with good mobility, from
And the heating to storage tank evenly can be realized；In addition, gas phase thermal source and liquid phase thermal source can also be the height that other systems are produced
Warm waste gas or waste liquid, using such a heater, can make full use of the heat in waste gas or waste liquid, reduction disappears to the energy
Consumption.
Preferably, described heater is arranged on the bottom on described storage tank shell surface, or in described storage tank
Tank skin surface is high in bottom density, the low density state distribution in top.The utility model uses the design, depositing in storage tank
When storing is heated, positioned at storage tank bottom storage thing because after heating temperature rise density reduce, and positioned at storage tank top
Thing formation convection current is stored, so as to while ensureing that the storage thing in storage tank can be heated properly, reduce heater
Consumption, reduce cost.
Compared with prior art, the beneficial effects of the utility model are as follows：
Heater is arranged on the surface of storage tank body by the first, heating systems of the present utility model, or is arranged on
In the hollow cavity that storage tank body internal surface is formed with outer surface, so as to avoid the perforate on storage tank shell so that storage tank
Resistance to overturning and life-span are effectively improved；
2nd, heating systems of the present utility model are also provided with circulating fan, and gas in storage tank is realized using circulating fan
Circulation, so as to will be driven in storage tank by the heated gas of heater to other positions, so as to realize to tank contents
The uniform preheating of each part；
3rd, heating systems of the present utility model also include storage tank shell and/or tank bottom being designed as hollow structure, work as gas
After hydrothermal solution injection hollow cavity in hot gas or liquid phase thermal source in phase thermal source, because hot gas or hydrothermal solution are respectively provided with good flowing
Property, so as to realize the heating to storage tank evenly；Produced in addition, gas phase thermal source and liquid phase thermal source can also be other systems
High-temp waste gas or waste liquid, using such a heater, the heat in waste gas or waste liquid can be made full use of, reduced to the energy
Consumption.
Certainly, implement any product of the present utility model to it is not absolutely required to while reaching all the above advantage.
Brief description of the drawings
Fig. 1 is a kind of structure of the heating system of the hot generating fused salt storage tank of solar energy high temperature of the utility model embodiment 1
Schematic diagram；
Fig. 2 is a kind of structure of the heating system of the hot generating fused salt storage tank of solar energy high temperature of the utility model embodiment 2
Schematic diagram.
Embodiment
With reference to specific embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate
The utility model, rather than limit protection domain of the present utility model.Those skilled in the art are according to this in actual applications
The modifications and adaptations that utility model is made, still fall within protection domain of the present utility model.
In order to better illustrate the utility model, detailed retouch is carried out to the utility model below with drawings and examples
State.
Embodiment 1
As shown in figure 1, a kind of heating system of the hot generating fused salt storage tank of solar energy high temperature of the present utility model, including storage tank
Body 8 and heater 4, described heater 4 are used to heat described storage tank body 8, wherein, storage tank body 8 includes storage
Tank tank bottom 3, storage tank shell 2 and the storage tank capping 1 being connected with the top of storage tank body 8, heater 4 is respectively arranged at Tank
The inner surface at bottom 3 and the outer surface of storage tank shell 2, certainly, in other embodiments, heater 4 can be arranged at Tank
It on the inner surface of wall 2 or outer surface, can also be arranged on the inner surface of storage tank bottom 3 or outer surface, add as long as can reach
The purpose of storage thing in hot tank body 8 and storage tank body 8.Specifically, in the present embodiment, heater 4 is to twine
It is around in the outer surface bottom of storage tank shell 2 and is layed in the armouring mineral insulation electric heating wire of the inner surface of storage tank bottom 3.In addition,
, can also be hot by gas phase using pipeline if the tank skin 2 of storage tank or the tank bottom 3 of storage tank are hollow structure in other embodiment
The hydrothermal solution in hot gas or liquid phase thermal source in source is introduced in the hollow structure, realizes the heating to storage tank body 8.
Embodiment 2
As shown in Fig. 2 a kind of heating system of the hot generating fused salt storage tank of solar energy high temperature of the present utility model, including storage tank
Body 8 and the heater 4 for heating storage tank body 8, wherein, storage tank body 8 include storage tank bottom 3, storage tank shell 2 and
The storage tank capping 1 being connected with the top of storage tank body 8, heater 4 is respectively arranged at the inner surface and storage tank shell of storage tank bottom 3
The gas outlet 5 being provided with 2 outer surface, storage tank capping 1 in air inlet 6 and gas outlet 5, storage tank capping 1 passes through circulating line 9
Connected with the air inlet of the circulating fan 7, the air inlet 6 in the storage tank capping 1 passes through circulating line 9 and the circulated air
The gas outlet connection of machine 7.When needing to preheat storage tank, it is possible to use circulating fan 7 drives the gas in storage tank to occur
Circulation, so as to be driven by the heated gas of heater 4 to other positions of storage tank body 8, so as to realize to storage tank
The uniform preheating of body 8.
The utility model preferred embodiment disclosed above is only intended to help and illustrates the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, it is only described embodiment that the utility model is not limited yet.Obviously, according to this theory
The content of bright book, can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is in order to preferably
Principle of the present utility model and practical application are explained, so that skilled artisan can be best understood by and utilize this
Utility model.The utility model is only limited by claims and its four corner and equivalent.
Claims (7)
1. a kind of heating system of the hot generating fused salt storage tank of solar energy high temperature, including storage tank body and heater, described storage
Tank body includes storage tank bottom and storage tank shell, and described heater is used to heat described storage tank body, it is characterised in that
Described heater is arranged on the surface of described storage tank body, or be arranged on described storage tank body internal surface with it is outer
In the hollow cavity that surface is formed.
2. the heating system of the hot generating fused salt storage tank of solar energy high temperature according to claim 1, it is characterised in that also include
Air inlet and outlet are provided with the storage tank capping being connected with the storage tank body upper part and circulating fan, described storage tank capping
Mouthful, the gas outlet is connected by circulating line with the air inlet of described circulating fan, and described air inlet passes through described
Circulating line is connected with the gas outlet of the circulating fan.
3. the heating system of the hot generating fused salt storage tank of solar energy high temperature according to claim 1, it is characterised in that described
Heater is that the electricity being wrapped on described storage tank bottom and/or the inner surface of described storage tank shell and/or outer surface adds
Hot line.
4. the heating system of the hot generating fused salt storage tank of solar energy high temperature according to claim 1, it is characterised in that described
Heater is the electric heating wire being arranged in described hollow cavity.
5. the heating system of the hot generating fused salt storage tank of solar energy high temperature according to claim 3 or 4, it is characterised in that institute
The electric heating wire stated is armouring mineral insulation electric heating wire.
6. the heating system of the hot generating fused salt storage tank of solar energy high temperature according to claim 1, it is characterised in that described
Heater includes gas phase thermal source or liquid phase thermal source, and arrival end and the port of export, gas phase thermal source are provided with described hollow cavity
Hot gas or the hydrothermal solution of liquid phase thermal source entered by described arrival end, and discharged through the described port of export.
7. the heating system of the hot generating fused salt storage tank of solar energy high temperature according to claim 1, it is characterised in that described
Heater is arranged on the bottom on described storage tank shell surface, or high in bottom density on described storage tank shell surface,
The low density state distribution in top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720160010.0U CN206562085U (en) | 2017-02-22 | 2017-02-22 | A kind of heating system of the hot generating fused salt storage tank of solar energy high temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720160010.0U CN206562085U (en) | 2017-02-22 | 2017-02-22 | A kind of heating system of the hot generating fused salt storage tank of solar energy high temperature |
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| CN206562085U true CN206562085U (en) | 2017-10-17 |
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| CN201720160010.0U Active CN206562085U (en) | 2017-02-22 | 2017-02-22 | A kind of heating system of the hot generating fused salt storage tank of solar energy high temperature |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107892103A (en) * | 2017-11-09 | 2018-04-10 | 中国成达工程有限公司 | The preheating device of large-scale storage tank bottom plate |
| CN107966058A (en) * | 2017-12-21 | 2018-04-27 | 中国成达工程有限公司 | A kind of large-scale storage tank barrel preheating structure |
| CN110887252A (en) * | 2019-11-29 | 2020-03-17 | 西安石油大学 | Device for preventing storage tank molten salt from being solidified and using method thereof |
-
2017
- 2017-02-22 CN CN201720160010.0U patent/CN206562085U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107892103A (en) * | 2017-11-09 | 2018-04-10 | 中国成达工程有限公司 | The preheating device of large-scale storage tank bottom plate |
| CN107966058A (en) * | 2017-12-21 | 2018-04-27 | 中国成达工程有限公司 | A kind of large-scale storage tank barrel preheating structure |
| CN110887252A (en) * | 2019-11-29 | 2020-03-17 | 西安石油大学 | Device for preventing storage tank molten salt from being solidified and using method thereof |
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Address after: 310018 1-2603, No. 501, No. 2 street, Baiyang street, Hangzhou Economic and Technological Development Zone, Zhejiang Province Patentee after: Zhejiang Kesheng Technology Co.,Ltd. Address before: 310053 8 and 9 floors of No. 307 Liuhe Road, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG SUPCON SOLAR ENERGY TECHNOLOGY Co.,Ltd. |