CN113251663A - High-temperature molten salt storage tank preheating and heating device and method - Google Patents
High-temperature molten salt storage tank preheating and heating device and method Download PDFInfo
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- CN113251663A CN113251663A CN202110543951.3A CN202110543951A CN113251663A CN 113251663 A CN113251663 A CN 113251663A CN 202110543951 A CN202110543951 A CN 202110543951A CN 113251663 A CN113251663 A CN 113251663A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/002—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release using electrical energy supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/0034—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/0034—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material
- F28D2020/0047—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using liquid heat storage material using molten salts or liquid metals
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The invention provides a preheating and heating device for a high-temperature molten salt storage tank. Wherein, be provided with fused salt entry and fused salt export on the storage tank main part. The preheating part is arranged on the storage tank main body and communicated with the interior of the storage tank main body. The heating part is arranged around the storage tank main body in a surrounding way. The rotary uniform heating part is arranged on the side surface of the storage tank main body, and the rotary uniform heating part is arranged on the periphery of the heating part. According to the high-temperature molten salt storage tank preheating and heating device provided by the embodiment of the invention, the storage tank main body is preheated by the preheating part, the storage tank main body is heated by the heating part, and the heat generated by the heating part is uniformly dispersed on the surface of the storage tank main body by the rotating heat homogenizing part, so that the storage tank main body is uniformly heated, the phenomenon of local overheating of the storage tank main body is avoided, the service life of the storage tank main body is prolonged, and the molten salt in the storage tank main body can normally work.
Description
Technical Field
The invention relates to the field of molten salt storage tanks, in particular to a preheating and heating device and method for a high-temperature molten salt storage tank.
Background
At present, the high-temperature energy storage and heat storage technology is widely applied to the fields of solar photo-thermal, conventional power stations and other new energy sources, and the heat storage medium is generally molten salt. The tower type and groove type photo-thermal power stations with the heat storage function can store partial heat through molten salt or other media during power generation in the daytime, and convert the stored heat into steam to drive a steam turbine to generate power at night, so that the power generation time and more stable power output can be realized. The conventional power station heats the storage medium through electric energy or high-temperature flue gas, and then converts steam through the high-temperature medium to generate power, so that the functions of storing energy, balancing load and the like are achieved. The heat energy storage is used as an independent electric power storage technology, and cheap surplus night wind power generation can be converted into electric energy which can be used in a peak power supply period, so that valley power utilization and peak power utilization are realized. The high-temperature energy storage heat storage medium is stored in the storage tank, and the temperature of the high-parameter heat storage medium is generally above 300 ℃. Before the high-temperature storage tank is filled with the medium for the first time, the tank body needs to be preheated to the initial temperature of the medium, so that damage caused by thermal shock of the high-temperature medium to the tank body during direct filling is avoided. Therefore, the fused salt storage tank needs to be preheated and then added into the tank body, and then the fused salt is heated, but the existing preheating and heating devices have the problem of uneven heating temperature, so that the tank body is locally heated, and the tank body is easily damaged while the normal use of the fused salt is influenced.
Disclosure of Invention
The invention aims to provide a preheating and heating device for a high-temperature molten salt storage tank, which is used for solving the technical problem that a tank body is heated unevenly in the preheating and heating processes of the molten salt storage tank in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a high temperature molten salt storage tank preheats and heating device, includes:
the storage tank comprises a storage tank main body, wherein a molten salt inlet and a molten salt outlet are formed in the storage tank main body;
the preheating part is arranged on the storage tank main body, communicated with the interior of the storage tank main body and used for preheating the storage tank main body;
the heating part is arranged around the storage tank main body in a surrounding manner and is used for heating the storage tank main body;
rotatory even heat portion, rotatory even heat portion set up in the side of storage tank main part, rotatory even heat portion set up in the periphery of heating portion, rotatory even heat portion be used for with the heat that heating portion produced evenly spreads extremely in the storage tank main part, make the storage tank main part is heated more evenly.
In one embodiment, the preheating section includes:
the two ends of the preheating pipe are arranged in the storage tank main body;
the air heater is arranged on the preheating pipe and is used for heating air in the preheating pipe;
the booster fan is arranged on the preheating pipe and used for enabling airflow in the storage tank main body to circulate in the preheating pipe, and then the airflow is heated through the air heater, so that the purpose of preheating the storage tank main body is achieved.
In one embodiment, the preheating part further comprises an air flow spreading device, the air flow spreading device is arranged at the air outlet end of the preheating pipe and is used for uniformly spreading high-temperature air flow in the preheating pipe into the storage tank main body so as to enable the storage tank main body to be uniformly heated.
In one embodiment, the air flow spreading device comprises:
the air flow spreading main body is sleeved at the end part of the preheating pipe, a cavity is arranged in the air flow spreading main body, and the cavity is communicated with the preheating pipe;
the L-shaped nozzles are arranged on the side face of the airflow spreading main body and communicated with a cavity in the airflow spreading main body, and the air injection direction of the L-shaped nozzles is arranged along any one of the clockwise direction or the anticlockwise direction;
the steel ball is arranged on the contact matching surface of the air flow spreading main body and the preheating pipe and is used for reducing the friction force between the air flow spreading main body and the preheating pipe.
In one embodiment, the heating part comprises electric tracing, and the electric tracing is uniformly spirally wound on the outer surface of the storage tank body.
In one embodiment, the rotary soaking section includes:
the rotary shell is arranged outside the storage tank main body, the upper end and the lower end of the rotary shell are tightly attached to the outer surface of the storage tank main body, and a gear tooth structure is arranged on the outer surface of the rotary shell;
the heat equalizing plate is arranged between the rotating shell and the storage tank main body, a ventilation gap is formed between the heat equalizing plate and the storage tank main body, and the heat equalizing plate rotates along with the rotating shell;
the rotary power part is arranged on one side of the storage tank main body, and a power output end of the rotary power part is matched with the gear tooth structure of the rotary shell in a gear meshing mode.
In one embodiment, a plurality of vent holes are uniformly arranged on the heat homogenizing plate, and the vent holes are obliquely arranged upwards along the rotation direction of the heat homogenizing plate.
In one embodiment, a plurality of freely rotatable balls are arranged on the matching surface of the rotating shell and the storage tank body, the balls are embedded in the rotating shell, and the balls are used for reducing the friction force between the rotating shell and the storage tank body.
In one embodiment, the upper end and the lower end of the rotating shell are both arranged on a sealing heat-preserving ring, and the sealing heat-preserving ring is used for reducing the heat leakage speed generated by the heating part.
Another object of the present invention is to provide a high-temperature molten salt storage tank preheating and heating method, for heating the high-temperature molten salt storage tank preheating and heating apparatus in any one of the above embodiments, the high-temperature molten salt storage tank preheating and heating method including the following steps:
s1, firstly, the preheating part starts to work to preheat the storage tank main body until the storage tank main body reaches the preset preheating temperature;
s2, introducing molten salt into the storage tank main body through a molten salt inlet of the storage tank main body;
s3, the heating part starts to work to heat the molten salt in the storage tank main body;
s4, when the heating part works, the rotating heat homogenizing part starts to work, heat generated by the heating part is uniformly diffused to the surface of the storage tank main body, and then the storage tank main body is heated more uniformly.
One or more technical solutions described above in the embodiments of the present invention have at least the following technical effects or advantages:
the preheating and heating device for the high-temperature molten salt storage tank provided by the embodiment of the invention comprises a storage tank main body, a preheating part, a heating part and a rotating heat homogenizing part. Wherein, be provided with fused salt entry and fused salt export on the storage tank main part. The preheating part is arranged on the storage tank main body and communicated with the interior of the storage tank main body, and the preheating part is used for preheating the storage tank main body. The heating part is arranged around the storage tank main body in a surrounding mode and used for heating the storage tank main body. The rotary uniform heat part is arranged on the side face of the storage tank main body and arranged on the periphery of the heating part, and the rotary uniform heat part is used for uniformly diffusing heat generated by the heating part to the storage tank main body, so that the storage tank main body is heated more uniformly. According to the high-temperature molten salt storage tank preheating and heating device provided by the embodiment of the invention, the storage tank main body is preheated by the preheating part, the storage tank main body is heated by the heating part, and the heat generated by the heating part is uniformly dispersed on the surface of the storage tank main body by the rotating heat homogenizing part, so that the storage tank main body is uniformly heated, the phenomenon of local overheating of the storage tank main body is avoided, the service life of the storage tank main body is prolonged, and the molten salt in the storage tank main body can normally work.
The end of giving vent to anger through the preheating pipe in the preheating portion sets up the air current and expands and spill the device, makes that the high-temperature gas in the preheating pipe can be even expand in the fused salt storage tank through the air current diffusion device and spills for it is more even to be used for preheating the process, improves and preheats the effect.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a high-temperature molten salt storage tank preheating and heating device according to an embodiment of the present invention;
FIG. 2 is an enlarged partial view at B of FIG. 1;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 1;
fig. 4 is a schematic structural diagram of an airflow spreading device according to an embodiment of the present invention;
fig. 5 is a top view of fig. 4.
Wherein the reference numbers in the various figures are as follows:
1. a tank main body; 2. a preheating section; 3. a heating section; 4. rotating the uniform heating part; 5. a valve; 21. a preheating pipe; 22. an air heater; 23. a booster fan; 24. an airflow spreading device; 41. rotating the housing; 42. uniformly heating the plate; 43. a rotary power unit; 44. a sphere; 45. sealing the heat preservation ring; 241. the air flow spreading body; 242. an L-shaped nozzle; 243. a steel ball; 411. a gear tooth structure; 421. and (4) a vent hole.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, an embodiment of the present application provides a preheating and heating apparatus for a high-temperature molten salt storage tank, including a storage tank main body 1, a preheating portion 2, a heating portion 3, and a rotating heat-homogenizing portion 4. Wherein, be provided with fused salt entry and fused salt export on the storage tank main part 1. The preheating part 2 is arranged on the storage tank main body 1, the preheating part 2 is communicated with the interior of the storage tank main body 1, and the preheating part 2 is used for preheating the storage tank main body 1. The heating unit 3 is disposed around the tank body 1, and the heating unit 3 heats the tank body 1. Rotatory even heat portion 4 sets up in the side of storage tank main part 1, and rotatory even heat portion 4 sets up in the periphery of heating portion 3, and rotatory even heat portion 4 is used for evenly diffusing the heat that heating portion 3 produced to storage tank main part 1 for storage tank main part 1 is heated more evenly. According to the high-temperature molten salt storage tank preheating and heating device provided by the embodiment of the invention, the storage tank main body 1 is preheated by the preheating part 2, the storage tank main body 1 is heated by the heating part 3, and heat generated by the heating part 3 is uniformly dispersed on the surface of the storage tank main body 1 by the rotating heat homogenizing part 4, so that the storage tank main body 1 is uniformly heated, the phenomenon of local overheating of the storage tank main body 1 is avoided, the service life of the storage tank main body 1 is prolonged, and molten salt in the storage tank main body 1 can normally work.
Referring to fig. 1 again, in one embodiment, the preheating part 2 includes a preheating pipe 21, an air heater 22, and a booster fan 23. Wherein, both ends of the preheating pipe 21 are arranged in the storage tank main body 1. The air heater 22 is provided on the preheating pipe 21, and the air heater 22 is used for heating air in the preheating pipe 21. The booster fan 23 is provided on the preheating pipe 21, and the booster fan 23 circulates the air flow in the tank main body 1 into the preheating pipe 21, and further heats the air flow by the air heater 22, thereby achieving the purpose of preheating the tank main body 1. When the storage tank main body 1 needs to be preheated, the inlet and outlet valves 5 on the preheating pipe 21 are all opened, simultaneously the booster fan 23 and the air heater 22 start to work, the air heater 22 heats the air flow in the preheating pipe 21, the booster fan 23 conveys the heated air flow into the storage tank main body 1, the storage tank main body 1 is preheated through the high-temperature air flow, the low-temperature air flow enters the preheating pipe 21 through the inlet end of the preheating pipe 21, is heated by the air heater 22 and then is conveyed into the storage tank main body 1 through the booster fan 23, the air flow in the storage tank main body 1 circularly flows into the preheating pipe 21 through the booster fan 23, then the air flow in the preheating pipe 21 is heated by the air heater 22 in a memorial manner, and further the heated high-temperature air flow brings heat into the storage tank main body 1 and heats the storage tank main body 1, because the high temperature air current can be uniformly spread from the inside of storage tank main part 1, and then make the preheating process of storage tank main part 1 more even, the effect is better, avoids appearing local overheated phenomenon and takes place.
In one embodiment, the preheating part 2 further includes an air flow spreading device 24, the air flow spreading device 24 is disposed at the air outlet end of the preheating pipe 21, and the air flow spreading device 24 is used for uniformly spreading the high-temperature air flow in the preheating pipe 21 into the storage tank body 1, so as to make the storage tank body 1 be uniformly heated.
Referring to fig. 4 and 5, in one embodiment, the gas flow spreading device 24 includes a gas flow spreading body 241, a plurality of L-shaped nozzles 242, and steel balls 243. The airflow diffusion body is sleeved at the end of the preheating pipe 21, and a cavity is arranged inside the airflow diffusion body 241 and is communicated with the preheating pipe 21. The L-shaped nozzles 242 are disposed at a side surface of the airflow spreading body 241, the L-shaped nozzles 242 are communicated with a cavity in the airflow spreading body 241, and an air injection direction of the L-shaped nozzles 242 is set along any one of a clockwise direction or a counterclockwise direction. The steel ball 243 is disposed on a contact mating surface of the gas flow spreading body 241 and the preheating pipe 21, and the steel ball 243 is used for reducing a friction force between the gas flow spreading body 241 and the preheating pipe 21. When high-temperature air flow enters the air flow spreading device 24 through the outlet end of the preheating pipe 21, the high-temperature air flow is ejected outwards through the L-shaped nozzle 242 on the side surface of the air flow spreading main body 241, a reverse impact force is given to the L-shaped nozzle 242 when the high-temperature air flow is ejected, the air flow spreading device 24 is subjected to a torque for rotating the air flow spreading device 24, and the air injection directions of the L-shaped nozzle 242 are unified to be clockwise or counterclockwise, so that after the high-temperature air flow is ejected from the L-shaped nozzle 242, the air flow spreading device 24 rotates due to the reaction force of the air flow, the L-shaped nozzle 242 rotates along with the air flow spreading device, the high-temperature air flow is further allowed to uniformly eject towards the inside of the storage tank main body 1 from different angles, the storage tank main body 1 is heated more uniformly, and the heating uniformity of the preheating process of the storage tank main body 1 is further improved.
Referring to fig. 1 again, in one embodiment, the heating portion 3 includes an electric tracing, and the electric tracing is uniformly spirally wound on the outer surface of the storage tank body 1. Compare in traditional electrical heating, the electric heat tracing has that temperature distribution is more even, the higher advantage of life-span, and then makes when heating portion 3 heats storage tank main part 1, and even spiral winding's electric heat tracing can be so that storage tank main part 1 is heated more evenly, and then improves the homogeneity of being heated when storage tank main part 1 heats.
Referring to fig. 1 again, in one embodiment, the rotating heat spreader 4 includes a rotating power unit 43, a heat spreader plate 42, and a rotating housing 41. The rotary housing 41 is disposed outside the storage tank body 1, the upper and lower ends of the rotary housing 41 are closely attached to the outer surface of the storage tank body 1, and the outer surface of the rotary housing 41 is provided with a gear tooth structure 411. The heat uniforming plate 42 is provided between the rotary casing 41 and the tank main body 1, and a ventilation gap is provided between the heat uniforming plate 42 and the tank main body 1, and the heat uniforming plate 42 rotates with the rotary casing 41. The rotary power part 43 is disposed at one side of the tank main body 1, and a power output end of the rotary power part 43 is engaged with the gear tooth structure 411 of the rotary housing 41 by means of gear engagement. When the heating part 3 heats the tank body 1, the rotary power part 43 starts to operate, so that the rotary shell 41 starts to rotate, and simultaneously, the heat-uniforming plate 42 connected to the rotary shell 41 rotates along with the rotary shell 41, and the linear velocity of the heat-uniforming plate 42 is controlled to be 1-3M/s. Because the heat can not exist by virtue of the space, certain carriers (such as gas, solid, liquid, light radiation and the like) are required, a gap exists between the rotary shell 41 and the heating part 3, air exists in the gap, the heating part 3 heats the air at the gap while heating the storage tank body 1, the temperature of the air close to the heating part 3 is higher, at the moment, due to the rotation of the heat homogenizing plate 42, the air in the gap rotates around the side surface of the storage tank body 1, and further the air between the storage tank body 1 and the rotary shell 41 is in a flowing state, when the certain part of the storage tank body 1 is overheated, the flowing air flow can take away the redundant heat at the part and convey the heat to the storage tank body 1 with insufficient heat, and further the storage tank body 1 is heated more uniformly in the heating process. The heating effect on the storage tank is better while the service life of the storage tank main body 1 is prolonged.
Referring to fig. 3, in an embodiment, the heat-uniforming plate 42 is uniformly provided with a plurality of vent holes 421, and the vent holes 421 are obliquely upward along the rotation direction of the heat-uniforming plate 42. By providing the vent holes 421 on the heat-uniforming plate 42, when the preheating plate rotates, air between the tank body 1 and the rotating shell 41 can pass through the vent holes 421 and convey the air toward the surface of the tank body 1, so that the heat-uniforming capability of flowing air flow is improved, and the tank body 1 is heated more uniformly.
Referring to fig. 2, in one embodiment, a plurality of balls 44 capable of freely rotating are disposed on the matching surface of the rotating housing 41 and the tank body 1, the balls 44 are embedded in the rotating housing 41, and the balls 44 are used for reducing the friction between the rotating housing 41 and the tank body 1. By arranging the ball 44, the friction between the rotating shell 41 and the storage tank body 1 is reduced, and the service life of the storage tank is further prolonged.
Referring to fig. 2 again, in an embodiment, the upper and lower ends of the rotating housing 41 are disposed on the sealing ring 45, and the sealing ring 45 is used to reduce the heat leakage rate generated by the heating portion 3. Through setting up the heat preservation circle for the heat that is in between rotating housing 41 and storage tank main part 1 is difficult for leaking outwards from the upper and lower both ends of rotating housing 41, and then improves storage tank main part 1's thermal insulation performance.
The embodiment of the application further provides a high-temperature molten salt storage tank preheating and heating method, which is used for heating the high-temperature molten salt storage tank preheating and heating device in any one of the above embodiments, wherein the high-temperature molten salt storage tank preheating and heating method comprises the following steps:
s1, firstly, the preheating part 2 starts to work to preheat the storage tank main body 1 until the storage tank main body 1 reaches the preset preheating temperature;
s2, introducing molten salt into the storage tank main body 1 through a molten salt inlet of the storage tank main body 1;
s3, the heating unit 3 starts to operate to heat the molten salt in the tank main body 1;
and S4, when the heating part 3 works, the rotating heat homogenizing part 4 starts to work, and the heat generated by the heating part 3 is uniformly diffused to the surface of the storage tank main body 1, so that the storage tank main body 1 is heated more uniformly.
Through adopting above-mentioned step, can be so that storage tank main part 1 is heated more evenly preheating and heating in-process, avoid appearing the local overheated phenomenon of storage tank main part 1, improve storage tank main part 1's life.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a high temperature fused salt storage tank preheats and heating device which characterized in that, high temperature fused salt storage tank preheats and heating device includes:
the storage tank comprises a storage tank main body, wherein a molten salt inlet and a molten salt outlet are formed in the storage tank main body;
the preheating part is arranged on the storage tank main body, communicated with the interior of the storage tank main body and used for preheating the storage tank main body;
the heating part is arranged around the storage tank main body in a surrounding manner and is used for heating the storage tank main body;
rotatory even heat portion, rotatory even heat portion set up in the side of storage tank main part, rotatory even heat portion set up in the periphery of heating portion, rotatory even heat portion be used for with the heat that heating portion produced evenly spreads extremely in the storage tank main part, make the storage tank main part is heated more evenly.
2. The high-temperature molten salt storage tank preheating and heating device of claim 1, wherein the preheating section comprises:
the two ends of the preheating pipe are arranged in the storage tank main body;
the air heater is arranged on the preheating pipe and is used for heating air in the preheating pipe;
the booster fan is arranged on the preheating pipe and used for enabling airflow in the storage tank main body to circulate in the preheating pipe, and then the airflow is heated through the air heater, so that the purpose of preheating the storage tank main body is achieved.
3. The high-temperature molten salt storage tank preheating and heating device of claim 2, characterized in that:
the preheating part further comprises an air flow spreading device, the air flow spreading device is arranged at the air outlet end of the preheating pipe, and the air flow spreading device is used for uniformly spreading high-temperature air flow in the preheating pipe into the storage tank main body so as to enable the storage tank main body to be uniformly heated.
4. The preheating and heating device for the high-temperature molten salt storage tank as claimed in claim 3, wherein the airflow spreading device comprises:
the air flow spreading main body is sleeved at the end part of the preheating pipe, a cavity is arranged in the air flow spreading main body, and the cavity is communicated with the preheating pipe;
the L-shaped nozzles are arranged on the side face of the airflow spreading main body and communicated with a cavity in the airflow spreading main body, and the air injection direction of the L-shaped nozzles is arranged along any one of the clockwise direction or the anticlockwise direction;
the steel ball is arranged on the contact matching surface of the air flow spreading main body and the preheating pipe and is used for reducing the friction force between the air flow spreading main body and the preheating pipe.
5. The device of claim 1 for preheating and heating a high-temperature molten salt storage tank, comprising:
the heating part comprises electric tracing, and the electric tracing is uniformly spirally wound on the outer surface of the storage tank main body.
6. The high-temperature molten salt storage tank preheating and heating device of claim 1, wherein the rotary soaking section comprises:
the rotary shell is arranged outside the storage tank main body, the upper end and the lower end of the rotary shell are tightly attached to the outer surface of the storage tank main body, and a gear tooth structure is arranged on the outer surface of the rotary shell;
the heat equalizing plate is arranged between the rotating shell and the storage tank main body, a ventilation gap is formed between the heat equalizing plate and the storage tank main body, and the heat equalizing plate rotates along with the rotating shell;
the rotary power part is arranged on one side of the storage tank main body, and a power output end of the rotary power part is matched with the gear tooth structure of the rotary shell in a gear meshing mode.
7. The device of claim 6 for preheating and heating a high-temperature molten salt storage tank, characterized in that:
the uniform heating plate is uniformly provided with a plurality of vent holes, and the vent holes are obliquely arranged upwards along the rotating direction of the uniform heating plate.
8. The high-temperature molten salt storage tank preheating and heating device according to claim 6, characterized in that:
the ball body is embedded in the rotating shell and used for reducing friction force between the rotating shell and the storage tank main body.
9. The high-temperature molten salt storage tank preheating and heating device according to claim 6, characterized in that:
the upper end and the lower end of the rotary shell are both arranged on a sealing heat-insulating ring, and the sealing heat-insulating ring is used for reducing the heat leakage speed generated by the heating part.
10. A high-temperature molten salt storage tank preheating and heating method for heating the high-temperature molten salt storage tank preheating and heating device of any one of claims 1 to 9, wherein the high-temperature molten salt storage tank preheating and heating method comprises the following steps:
s1, firstly, the preheating part starts to work to preheat the storage tank main body until the storage tank main body reaches the preset preheating temperature;
s2, introducing molten salt into the storage tank main body through a molten salt inlet of the storage tank main body;
s3, the heating part starts to work to heat the molten salt in the storage tank main body;
s4, when the heating part works, the rotating heat homogenizing part starts to work, heat generated by the heating part is uniformly diffused to the surface of the storage tank main body, and then the storage tank main body is heated more uniformly.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688735A (en) * | 2022-03-25 | 2022-07-01 | 江苏联储能源科技有限公司 | Energy-saving wind group preheating device of power generation energy storage tank |
| CN115140445A (en) * | 2022-08-01 | 2022-10-04 | 江苏联储能源科技有限公司 | Large storage tank preheating device and preheating method |
Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PT1975537E (en) * | 2007-03-24 | 2012-02-08 | Durferrit Gmbh | Method for continuous mixing and melting of inorganic salts |
| JP2012073020A (en) * | 2004-06-29 | 2012-04-12 | Solvay (Sa) | Container and method for manufacturing same |
| US20130065190A1 (en) * | 2010-03-24 | 2013-03-14 | Herlogas, S.A. | Furnace for melting inorganic salts |
| US20130333691A1 (en) * | 2012-06-14 | 2013-12-19 | Sunlight Power, Inc. | Thermal heat storage system |
| CN205014874U (en) * | 2015-08-31 | 2016-02-03 | 辽宁中电投电站燃烧工程技术研究中心有限公司 | Fused salt heat -retaining is fused salt storage tank for system |
| CN206297955U (en) * | 2016-12-23 | 2017-07-04 | 胜帮科技股份有限公司 | A kind of fused salt storage tank for storing up salt salt dissolving |
| WO2017205706A1 (en) * | 2016-05-26 | 2017-11-30 | Elysium Industries Ltd. | Heat removal system for a molten salt reactor system |
| CN107555003A (en) * | 2017-05-10 | 2018-01-09 | 杭州锅炉集团股份有限公司 | A kind of salt storage tank preheating and heater |
| CN107764119A (en) * | 2017-11-22 | 2018-03-06 | 黄善清 | A kind of regenerative apparatus of gas and fused salt contact heat-exchanging |
| 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 |
| CN207351270U (en) * | 2017-08-29 | 2018-05-11 | 中投亿星新能源投资有限公司 | A kind of water supply installation of fused salt heat exchanging device |
| CN209042296U (en) * | 2018-06-30 | 2019-06-28 | 冠亿诺(北京)热能技术有限公司 | A kind of water supply device of fused salt heat exchanging device |
| US20190234655A1 (en) * | 2018-01-30 | 2019-08-01 | Xiaojuan Qiu | High-temperature long-shaft molten salt pump detection testbed |
| CN110118503A (en) * | 2018-02-05 | 2019-08-13 | 蓝星(北京)化工机械有限公司 | A kind of fused salt storage tank heat-exchange system |
| CN110440467A (en) * | 2019-07-31 | 2019-11-12 | 浙江中控太阳能技术有限公司 | A kind of electric heating, heat exchange, heat accumulation integral structure fused salt storage tank |
| CN110499520A (en) * | 2019-09-26 | 2019-11-26 | 中国恩菲工程技术有限公司 | Fused salt electrolysis apparatus |
| CN210285404U (en) * | 2019-04-04 | 2020-04-10 | 浙江中光新能源科技有限公司 | Fused salt storage tank for solar photo-thermal power generation |
| CN210455986U (en) * | 2019-09-12 | 2020-05-05 | 张健 | Alkali liquor metering tank |
| CN211544624U (en) * | 2019-07-08 | 2020-09-22 | 扬州宏祥光电科技有限公司 | Polyurethane head tank |
| CN112654830A (en) * | 2018-08-30 | 2021-04-13 | 海利亚克有限公司 | Method and apparatus for storing heat |
-
2021
- 2021-05-19 CN CN202110543951.3A patent/CN113251663A/en active Pending
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012073020A (en) * | 2004-06-29 | 2012-04-12 | Solvay (Sa) | Container and method for manufacturing same |
| PT1975537E (en) * | 2007-03-24 | 2012-02-08 | Durferrit Gmbh | Method for continuous mixing and melting of inorganic salts |
| US20130065190A1 (en) * | 2010-03-24 | 2013-03-14 | Herlogas, S.A. | Furnace for melting inorganic salts |
| US20130333691A1 (en) * | 2012-06-14 | 2013-12-19 | Sunlight Power, Inc. | Thermal heat storage system |
| CN205014874U (en) * | 2015-08-31 | 2016-02-03 | 辽宁中电投电站燃烧工程技术研究中心有限公司 | Fused salt heat -retaining is fused salt storage tank for system |
| WO2017205706A1 (en) * | 2016-05-26 | 2017-11-30 | Elysium Industries Ltd. | Heat removal system for a molten salt reactor system |
| CN206297955U (en) * | 2016-12-23 | 2017-07-04 | 胜帮科技股份有限公司 | A kind of fused salt storage tank for storing up salt salt dissolving |
| CN107555003A (en) * | 2017-05-10 | 2018-01-09 | 杭州锅炉集团股份有限公司 | A kind of salt storage tank preheating and heater |
| CN207351270U (en) * | 2017-08-29 | 2018-05-11 | 中投亿星新能源投资有限公司 | A kind of water supply installation of fused salt heat exchanging device |
| CN107764119A (en) * | 2017-11-22 | 2018-03-06 | 黄善清 | A kind of regenerative apparatus of gas and fused salt contact heat-exchanging |
| 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 |
| US20190234655A1 (en) * | 2018-01-30 | 2019-08-01 | Xiaojuan Qiu | High-temperature long-shaft molten salt pump detection testbed |
| CN110118503A (en) * | 2018-02-05 | 2019-08-13 | 蓝星(北京)化工机械有限公司 | A kind of fused salt storage tank heat-exchange system |
| CN209042296U (en) * | 2018-06-30 | 2019-06-28 | 冠亿诺(北京)热能技术有限公司 | A kind of water supply device of fused salt heat exchanging device |
| CN112654830A (en) * | 2018-08-30 | 2021-04-13 | 海利亚克有限公司 | Method and apparatus for storing heat |
| CN210285404U (en) * | 2019-04-04 | 2020-04-10 | 浙江中光新能源科技有限公司 | Fused salt storage tank for solar photo-thermal power generation |
| CN211544624U (en) * | 2019-07-08 | 2020-09-22 | 扬州宏祥光电科技有限公司 | Polyurethane head tank |
| CN110440467A (en) * | 2019-07-31 | 2019-11-12 | 浙江中控太阳能技术有限公司 | A kind of electric heating, heat exchange, heat accumulation integral structure fused salt storage tank |
| CN210455986U (en) * | 2019-09-12 | 2020-05-05 | 张健 | Alkali liquor metering tank |
| CN110499520A (en) * | 2019-09-26 | 2019-11-26 | 中国恩菲工程技术有限公司 | Fused salt electrolysis apparatus |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688735A (en) * | 2022-03-25 | 2022-07-01 | 江苏联储能源科技有限公司 | Energy-saving wind group preheating device of power generation energy storage tank |
| CN115140445A (en) * | 2022-08-01 | 2022-10-04 | 江苏联储能源科技有限公司 | Large storage tank preheating device and preheating method |
| CN115140445B (en) * | 2022-08-01 | 2023-10-20 | 江苏联储能源科技有限公司 | Preheating device and preheating method for large storage tank |
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