CN207335507U - A kind of heat-storing device centered on molten salt furnace - Google Patents
A kind of heat-storing device centered on molten salt furnace Download PDFInfo
- Publication number
- CN207335507U CN207335507U CN201721216080.XU CN201721216080U CN207335507U CN 207335507 U CN207335507 U CN 207335507U CN 201721216080 U CN201721216080 U CN 201721216080U CN 207335507 U CN207335507 U CN 207335507U
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- Prior art keywords
- fused salt
- furnace
- outlet
- heat
- furnace body
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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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
-
- 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 utility model discloses a kind of heat-storing device centered on molten salt furnace, including：Molten salt furnace, heat storage can, air preheater, air blower, the molten salt furnace have a furnace body, and the bottom of the furnace body is provided with burner and fused salt import, and fused salt outlet and exhanst gas outlet are provided with the top of the furnace body；In the furnace body, the pipeline that extends from the bottom to top of heating passage setting curl of the fused salt import and fused salt outlet is connected；Outside the furnace body, the fused salt outlet is connected with the import of the heat storage can, and the fused salt import is connected by fused salt return duct with the outlet of the heat storage can；The both ends of hollow pipeline connect the exhanst gas outlet and the air preheater respectively, and the fused salt return duct passes through the inside of the hollow pipeline, and the gap between the inner wall of the hollow pipeline and the outer wall of the fused salt return duct forms an insulating layer；The air preheater is connected by the air blower with the air intlet of the furnace body.
Description
Technical field
It the utility model is related to fused salt production technology field, more particularly to a kind of heat-storing device centered on molten salt furnace.
Background technology
The operation principle of molten salt furnace is that the fused salt of powdery is heated to more than 142 DEG C of fusing point by heat carrier furnace, is melting it
Recycled under flow regime.Maximum operating temperature is up to 600 DEG C of high temperature.The deep salt of powdery is put into melting grain, passes through grain
The high pressure steam heating pipe or electric heating tube of interior installation carry out heating and melting, and the viscosity for the fused salt being always heated in grain can be used
Circulating pump plays circulation, after whole system is become the recyclable state of flowing, is pumped into heat carrier furnace and further circulates heating, reach
The temperature that can be used.But fused salt is being flowed and easily condensed in cyclic process, so as to block pipeline, causes security risk.
The assisted heating device of electric heating line is generally added in the prior art, and to keep the mobility of fused salt, but this obviously can increase
Cost.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of heat-storing device centered on molten salt furnace, fused salt is avoided
Condensed in low temperature, reduce the cost of device.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：
A kind of heat-storing device centered on molten salt furnace, including：Molten salt furnace, heat storage can, air preheater, air blower, institute
Stating molten salt furnace has a furnace body, and the bottom of the furnace body is provided with burner and fused salt import, is provided with the top of the furnace body
Fused salt exports and exhanst gas outlet；In the furnace body, the heating passage for connecting the fused salt import and fused salt outlet is set
The pipeline that curl extends from the bottom to top；Outside the furnace body, the fused salt outlet is connected with the import of the heat storage can, institute
Fused salt import is stated to be connected with the outlet of the heat storage can by fused salt return duct；The both ends of hollow pipeline connect the flue gas respectively
Outlet and the air preheater, the fused salt return duct passes through the inside of the hollow pipeline, in the hollow pipeline
Gap between the outer wall of wall and the fused salt return duct forms an insulating layer；The air preheater by the air blower with
The air intlet connection of the furnace body.
Preferably, the fused salt entrance is provided with multiple branches, between each branch and fused salt outlet all
With a heating passage, there is predetermined spacing distance per between the two neighboring heating passage.
Preferably, the branch is two.
Preferably, filtration apparatus is further included, it is connected with the exhanst gas outlet of the air preheater.
Preferably, on the hollow pipeline, the fused salt return duct penetrate mouth and export is both provided with sealing dress
Put.
Compared with prior art, the beneficial effects of the utility model are：Utilize the high-temperature flue gas discharged from molten salt furnace
Heat, provide insulation for the fused salt pipeline outside furnace body, be not required electric heating line on the basis of can just avoid fused salt
Condensation in low temperature.
In the preferred solution of the utility model, fused salt entrance is provided with multiple branches, that is to say, that connection fused salt into
Mouthful and fused salt outlet heating passage have it is multiple, therefore, when design molten salt furnace, can pass through design heat passage quantity
The size of molten salt furnace is controlled with length, so as to fulfill the flexibility of fused salt furnace volume design.
Brief description of the drawings
Some specific realities of the utility model are described in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter
Apply example.Identical reference numeral denotes same or similar component or part in attached drawing.It should be appreciated by those skilled in the art that
What these attached drawings were not necessarily drawn to scale.In attached drawing：
Fig. 1 is the schematic diagram of one embodiment of heat-storing device of the utility model centered on molten salt furnace.
The implication of each symbolic indication is as follows in figure：
1- molten salt furnaces, 201- fused salt imports, 202- heating passages, the outlet of 203- fused salts, 204- fused salt return ducts, 3- burnings
Device, 4- air intlets, 5- exhanst gas outlets, 501- insulating layers, 6- heat storage cans, 7- air preheaters, 8- air blowers, 9- filtering dresses
Put.
Embodiment
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.It should be noted that
It is used to help understand the utility model for the explanation of these embodiments, but does not form the restriction to the utility model.This
Outside, as long as technical characteristic involved in each embodiment of the utility model disclosed below does not form conflict each other
It can be mutually combined.
As shown in Figure 1, the heat-storing device centered on molten salt furnace mainly includes：Molten salt furnace 1, heat storage can 6, air preheater
7th, air blower 8 etc..The further heating of fused salt is carried out in molten salt furnace 1.
Molten salt furnace 1 has a furnace body.Burner 3 and fused salt import 201 are provided with the bottom of furnace body, the furnace body
Top is provided with fused salt outlet 203 and exhanst gas outlet 5.There is air intlet 4 bottom of furnace body.In the furnace body, heating is logical
Road 202 connects the fused salt import 201 and fused salt outlet 203.In the present embodiment, heat passage 202 for helical form by
Under supreme extension pipeline, spiral pipe is spiraled up along the inner wall of furnace body.In order to realize thermally equivalent, burner
3 are arranged on the center of the heating passage 202 of spiral pipe.Multiple branches are provided with the fused salt import 201.It is each described
All there is a heating passage 202 between branch and fused salt outlet 203.The screw diameter of each heating passage 202
It is all different, so that there is predetermined spacing distance per between the two neighboring heating passage 202.In the present embodiment, melt
Branch at salt import 201 is two.One of branch with first diameter helical spiral on heating passage 202 to molten
Salt outlet 203, another branch with Second bobbin diameter helical spiral on heating passage 202 to fused salt outlet 203, first is straight
Footpath is more than Second bobbin diameter, so that having predetermined spacing distance between the two heating passages 202.Therefore, in design fused salt
During stove, the size of molten salt furnace 1 can be controlled by designing quantity and the length of heating passage 202, held so as to fulfill molten salt furnace 1
The flexibility of product design.
Outside the furnace body, the fused salt outlet 203 is connected with the import of the heat storage can 6, and the fused salt import 201 is logical
The outlet that fused salt return duct 204 is crossed with the heat storage can 6 is connected.The inside of heat storage can 6 has the heat-storage medium of flowing.Heat-storage medium
It can be aqueous solution.Fused salt carries out heat exchange in heat storage can 6, and returns to fused salt import eventually through fused salt return duct 204
201, return and reheating is carried out in molten salt furnace 1.
In order to avoid fused salt in fused salt return duct 204 due to cryogenic temperature condensation, and cause line clogging, the utility model leads to
Structure setting is crossed, insulation is provided using fused salt of the high-temperature flue gas for fused salt return duct 204.The both ends of hollow pipeline connect institute respectively
State exhanst gas outlet 5 and the air preheater 7.High-temperature flue gas flows to air preheater 7 from exhanst gas outlet 5.And the fused salt returns
Flow tube 204 passes through the inside in the stage casing of the hollow pipeline, so that inner wall and the fused salt return duct in the hollow pipeline
Gap between 204 outer wall forms an insulating layer 501.That is, high-temperature flue gas, after exhanst gas outlet leaves, entrance is hollow
Pipeline, subsequently into insulating layer 501, is then departed from insulating layer and enters air preheater.Therefore, electricity is being not required in the utility model
Condensation of the fused salt in low temperature can be just avoided on the basis of heating line.On the hollow pipeline, the fused salt return duct
204 penetrate mouth and export is both provided with sealing device either seal or soldering opening, directly let out to avoid high-temperature flue gas
Reveal the external world.
Preferably, in order to realize the Efficient Cycle of fused salt in the duct, fused salt is additionally provided with the pipeline of fused salt circulation
Pump (not shown).
Preferably, leave insulating layer 501 high-temperature flue gas continue in air preheater 7 with Cryogenic air exchange heat, with up to
To the purpose of preheated air.Air preheater 7 is connected by air blower 8 with the air intlet 4 of the furnace body, so that after preheating
Air be passed through it is combustion-supporting in molten salt furnace 1.
Preferably, the utility model further includes filtration apparatus 9, it is connected with the exhanst gas outlet of the air preheater 7, will
The harmful substance in low-temperature flue gas after heat exchange is then exhausted from after being filtered, to achieve the purpose that environmental protection.
The embodiment of the utility model is explained in detail above in association with attached drawing, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, it is right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall within the scope of protection of the utility model.
Claims (5)
- A kind of 1. heat-storing device centered on molten salt furnace, it is characterised in that including：Molten salt furnace, heat storage can, air preheater, Air blower, the molten salt furnace have a furnace body, and the bottom of the furnace body is provided with burner and fused salt import, the top of the furnace body Portion is provided with fused salt outlet and exhanst gas outlet；In the furnace body, the heating of the fused salt import and fused salt outlet is connected Passage sets the pipeline that curl extends from the bottom to top；Outside the furnace body, fused salt outlet and the heat storage can into Mouth connection, the fused salt import are connected by fused salt return duct with the outlet of the heat storage can；The both ends of hollow pipeline connect respectively The exhanst gas outlet and the air preheater are connect, the fused salt return duct passes through the inside of the hollow pipeline, in described Gap between the outer wall of the inner wall of vacant duct and the fused salt return duct forms an insulating layer；The air preheater passes through institute The air intlet that air blower is stated with the furnace body is connected.
- 2. the heat-storing device according to claim 1 centered on molten salt furnace, it is characterised in that the fused salt entrance is set Multiple branches are equipped with, all there is a heating passage between each branch and fused salt outlet, per two neighboring There is predetermined spacing distance between the heating passage.
- 3. the heat-storing device according to claim 2 centered on molten salt furnace, it is characterised in that the branch is two.
- 4. the heat-storing device according to claim 1 centered on molten salt furnace, it is characterised in that filtration apparatus is further included, It is connected with the exhanst gas outlet of the air preheater.
- 5. the heat-storing device centered on molten salt furnace according to any one of claim 1-4, it is characterised in that described On hollow pipeline, the fused salt return duct penetrate mouth and export is both provided with sealing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721216080.XU CN207335507U (en) | 2017-09-21 | 2017-09-21 | A kind of heat-storing device centered on molten salt furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721216080.XU CN207335507U (en) | 2017-09-21 | 2017-09-21 | A kind of heat-storing device centered on molten salt furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207335507U true CN207335507U (en) | 2018-05-08 |
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ID=62369963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721216080.XU Expired - Fee Related CN207335507U (en) | 2017-09-21 | 2017-09-21 | A kind of heat-storing device centered on molten salt furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207335507U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082194A (en) * | 2020-09-17 | 2020-12-15 | 东方电气集团东方锅炉股份有限公司 | Single-tank molten salt energy storage and heating system and energy storage and heating method thereof |
-
2017
- 2017-09-21 CN CN201721216080.XU patent/CN207335507U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082194A (en) * | 2020-09-17 | 2020-12-15 | 东方电气集团东方锅炉股份有限公司 | Single-tank molten salt energy storage and heating system and energy storage and heating method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180508 Termination date: 20210921 |