CN205448370U - Fused salt melt with intensification integrated equipment - Google Patents
Fused salt melt with intensification integrated equipment Download PDFInfo
- Publication number
- CN205448370U CN205448370U CN201620207793.9U CN201620207793U CN205448370U CN 205448370 U CN205448370 U CN 205448370U CN 201620207793 U CN201620207793 U CN 201620207793U CN 205448370 U CN205448370 U CN 205448370U
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- molten salt
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- melting
- outlet
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- 150000003839 salts Chemical class 0.000 title claims abstract description 159
- 238000003860 storage Methods 0.000 claims abstract description 51
- 238000002844 melting Methods 0.000 claims abstract description 22
- 230000008018 melting Effects 0.000 claims abstract description 22
- 238000005086 pumping Methods 0.000 claims abstract description 20
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 20
- 239000003546 flue gas Substances 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 15
- 238000005485 electric heating Methods 0.000 claims description 3
- 238000010792 warming Methods 0.000 claims 9
- 239000000779 smoke Substances 0.000 claims 2
- 230000008676 import Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract 4
- 238000005338 heat storage Methods 0.000 description 6
- 238000012546 transfer Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000011160 research Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
-
- 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
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- Seasonings (AREA)
Abstract
The utility model discloses a fused salt melt with intensification integrated equipment, its characterized in that, it includes fused salt preliminary treatment storage tank, pumping installations, molten salt furnace and high temperature fused salt storage tank, wherein, fused salt preliminary treatment storage tank is used for tentatively melting transport to the fused salt in it, pumping installations's input is connected with fused salt preliminary treatment storage tank, and pumping installations's output is connected with the medium import of molten salt furnace, so that during the molten salt furnace was gone into to the fused salt pump of pumping installations in with fused salt preliminary treatment storage tank, the medium export of molten salt furnace and the medium import of high temperature fused salt storage tank linked to each other. The utility model discloses can make the fused salt melt fast and heat up, improve heat conduction efficiency.
Description
Technical Field
The utility model relates to a fused salt melts and intensification integrated equipment.
Background
At present, experimental research of a SolarTwo tower type solar photo-thermal power generation system established in 1996 in the united states proves the advancement and feasibility of a molten salt heat storage technology, further reduces the technical and economic risks, and becomes the most advanced, reliable and economic heat storage system at present. And the fused salt capacity in a set of 50MW system is about 20000t, so the melting and temperature rise of the fused salt have great influence on the economy of the whole system.
China develops slowly in the technical field of solar photo-thermal, only an experiment system and an experiment platform are established, and a technical approach of commercialization with high efficiency, large scale and low cost is explored. The advanced molten salt heat storage technology is just started, and no enterprise is industrialized except for basic research and development of a plurality of scientific research institutions.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a fused salt and melt and intensification integrated equipment, it can make the fused salt melt fast and intensification, has improved heat energy conduction efficiency.
In order to solve the technical problem, the technical scheme of the utility model is that: a molten salt melting and heating complete device is characterized by comprising a molten salt pretreatment storage tank, a pumping device, a molten salt furnace and a high-temperature molten salt storage tank; wherein,
the molten salt pretreatment storage tank is used for preliminarily melting the molten salt conveyed into the molten salt pretreatment storage tank;
the input end of the pumping device is connected with the molten salt pretreatment storage tank, and the output end of the pumping device is connected with the medium inlet of the molten salt furnace, so that the pumping device can pump the molten salt in the molten salt pretreatment storage tank into the molten salt furnace, and the medium outlet of the molten salt furnace is connected with the medium inlet of the high-temperature molten salt storage tank.
Further, a medium outlet of the high-temperature molten salt storage tank is connected with the solar heat collection device.
Further, in order to preliminarily heat and melt the molten salt in the molten salt pretreatment storage tank, an electric heating device and/or a heat-conducting medium heating device for heating the molten salt is arranged in the molten salt pretreatment storage tank.
Further in order to carry the fused salt into the fused salt pretreatment storage tank, the fused salt melting and heating complete device further comprises a fused salt feeding device, the fused salt pretreatment storage tank is provided with a feed opening, and the fused salt feeding device conveys the fused salt to the feed opening.
The molten salt feeding device comprises a screw conveyor and an inclined angle belt conveyor, wherein an output port of the screw conveyor is connected with an input port of the inclined angle belt conveyor, and an output port of the inclined angle belt conveyor is arranged above the feeding port.
Further in order to provide high-temperature flue gas into the molten salt furnace, the molten salt furnace is provided with a burner device, and the burner device is used for inputting the high-temperature flue gas into the molten salt furnace.
Further for rationally discharging flue gas, the molten salt furnace is correspondingly provided with a tail flue gas treatment device, the tail flue gas treatment device comprises an air preheater and a chimney, the inlet of the air preheater is connected with the flue gas outlet of the molten salt furnace, and the outlet of the air preheater is connected with the chimney.
Further in order to preheat the high-temperature molten salt storage tank and prevent newly filling molten salt from solidifying, the flue gas outlet of the molten salt furnace is connected with the flue gas preheating inlet of the high-temperature molten salt storage tank, so that the high-temperature molten salt storage tank is preheated.
The utility model provides a molten salt stove's concrete structure, be provided with coil group, upper portion collection case and lower part collection case in the molten salt stove, the import of coil group links to each other with the export of lower part collection case, the export of coil group links to each other with the import of upper portion collection case, and the import of lower part collection case links to each other with pumping device's output, and the export of upper portion collection case is used for flowing out the fused salt after the heating.
Further, the coil group is of a double-layer coil structure, and the inner ring and the outer ring of the double-layer coil structure are of a parallel structure.
After the technical scheme is adopted, the utility model discloses following beneficial effect has:
1. the utility model adapts to the need of world renewable energy research and promotes the progress of solar photo-thermal technology in China, and firstly, the utility model has the energy storage characteristic; secondly, the utility model discloses use the fused salt as heat absorption, heat transfer, heat accumulation medium, the major irreplaceable advantage: firstly, the system is operated without pressure except for overcoming the flow resistance, and the safety is improved; secondly, the heat transfer working medium has no phase change in the whole heat absorption and heat transfer circulation, the heat capacity of the molten salt is large, and the heat absorber can bear higher heat flow density, so that the heat absorber can be made more compact, the manufacturing cost is reduced, and the heat loss is reduced; the fused salt is a good heat storage material, and the heat transfer and heat storage of the system can share the same working medium, so that the system is greatly simplified.
2. The utility model discloses the internal technical blank has been filled.
3. The utility model discloses a light and heat technical progress of china provides basic condition, and the light and heat technical research of china is starting, and a large amount of test items are also being built, and market demand is very big, the utility model discloses a start-up of its system provides ripe technique and material condition.
Drawings
Fig. 1 is a schematic structural view of the molten salt melting and heating complete equipment of the utility model.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
As shown in fig. 1, a molten salt melting and heating complete plant comprises a molten salt pretreatment storage tank 7, a pumping device 6, a molten salt furnace 4 and a high-temperature molten salt storage tank 10; wherein,
the molten salt pretreatment storage tank 7 is used for preliminarily melting the molten salt conveyed into the molten salt pretreatment storage tank;
the input end of the pumping device 6 is connected with the molten salt pretreatment storage tank 7, and the output end of the pumping device 6 is connected with the medium inlet of the molten salt furnace 4, so that the pumping device 6 pumps the molten salt in the molten salt pretreatment storage tank 7 into the molten salt furnace 4, and the medium outlet of the molten salt furnace 4 is connected with the medium inlet of the high-temperature molten salt storage tank 10.
As shown in fig. 1, the medium outlet of the high-temperature molten salt storage tank 10 is connected with a solar heat collection device.
As shown in fig. 1, an electric heating device 71 and/or a heat transfer medium heating device 72 for heating molten salt are provided in the molten salt pretreatment reservoir 7.
As shown in fig. 1, the molten salt melting and heating complete plant further comprises a molten salt feeding device 9, the molten salt pretreatment storage tank 7 is provided with a feeding port 8, and the molten salt feeding device 9 conveys the molten salt to the feeding port 8.
Fused salt feeder 9 includes screw conveyer and inclination band conveyer, and screw conveyer's delivery outlet links up with inclination band conveyer's input port mutually, inclination band conveyer's delivery outlet sets up the top at charge door 8.
As shown in fig. 1, the molten salt furnace 4 is provided with a burner device 5, and the burner device 5 is used for inputting high-temperature flue gas into the molten salt furnace 4; the burner device 5 may be blown with air by means of a blower 2.
As shown in fig. 1, the molten salt furnace 4 is further correspondingly provided with a tail flue gas treatment device, the tail flue gas treatment device comprises an air preheater 3 and a chimney 1, an inlet of the air preheater 3 is connected with a flue gas outlet of the molten salt furnace 4, and an outlet of the air preheater 3 is connected with the chimney 1.
As shown in figure 1, the flue gas outlet of the molten salt furnace 4 is connected with the flue gas preheating inlet of the high-temperature molten salt storage tank 10, so that the high-temperature molten salt storage tank 10 is preheated, and the flue gas empty tank is required to be arranged for preheating before initial molten salt filling due to large volume of the high-temperature molten salt storage tank 10 so as to prevent solidification of newly filled molten salt.
And a coil group, an upper header and a lower header are arranged in the molten salt furnace 4, the inlet of the coil group is connected with the outlet of the lower header, the outlet of the coil group is connected with the inlet of the upper header, the inlet of the lower header is connected with the output end of the pumping device 6, and the outlet of the upper header is used for flowing out the heated molten salt.
The coil group is of a double-layer coil structure, and the inner ring and the outer ring of the double-layer coil structure are of a parallel structure.
In the molten salt furnace 4, molten salt enters the molten salt furnace 4 from a lower header, and is subjected to radiation and convection heat exchange with high-temperature flue gas generated by combustion of the burner device 5 in the coil group to obtain heat, and the heat is circularly heated by a pumping device 6, so that all the molten salt is finally heated to a set temperature point, flows out from the upper header after being heated, one part of the molten salt enters a high-temperature molten salt storage tank 10, and the other part of the molten salt returns to a molten salt pretreatment storage tank 7 for re-circulation heating.
The high-temperature molten salt storage tank 10 is used as a molten salt storage tank after the temperature of the molten salt system is raised, and has high molten salt temperature, large storage capacity and high heat preservation requirement; meanwhile, as a photo-thermal technology system, a fused salt source and a fused salt backflow storage tank of a heat storage system are started, and temperature and liquid level control points are required to be arranged.
The control system consists of a power control system and an instrument display control system, wherein the power system controls the start and stop of the combustion equipment and the circulating pump, and the instrument display control system adjusts the combustion equipment and controls the temperature of the fused salt inlet and outlet.
Under the automatic control system, the following functions can be realized: firstly, rapidly melting solid molten salt into liquid molten salt; secondly, the whole system is kept to operate stably and continuously; realizing preheating of an empty pipe; safety chain protection under abnormal working conditions; fifthly, the functions of abnormal working condition early warning, alarm fault locking and the like are achieved; and sixthly, automatic unmanned operation can be realized.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A molten salt melting and heating complete device is characterized by comprising a molten salt pretreatment storage tank (7), a pumping device (6), a molten salt furnace (4) and a high-temperature molten salt storage tank (10); wherein,
the molten salt pretreatment storage tank (7) is used for preliminarily melting the molten salt conveyed into the molten salt pretreatment storage tank;
the input end of the pumping device (6) is connected with the molten salt pretreatment storage tank (7), the output end of the pumping device (6) is connected with the medium inlet of the molten salt furnace (4), so that the molten salt in the molten salt pretreatment storage tank (7) is pumped into the molten salt furnace (4) by the pumping device (6), and the medium outlet of the molten salt furnace (4) is connected with the medium inlet of the high-temperature molten salt storage tank (10).
2. The molten salt melting and warming plant as claimed in claim 1, characterized in that: and a medium outlet of the high-temperature molten salt storage tank (10) is connected with a solar heat collection device.
3. The molten salt melting and warming plant as claimed in claim 1, characterized in that: an electric heating device (71) and/or a heat-conducting medium heating device (72) for heating the molten salt are/is arranged in the molten salt pretreatment storage tank (7).
4. The molten salt melting and warming plant as claimed in claim 1, characterized in that: still include fused salt feed arrangement (9), fused salt preliminary treatment storage tank (7) are provided with charge door (8), fused salt feed arrangement (9) are carried fused salt to charge door (8).
5. The molten salt melting and warming plant according to claim 4, characterized in that: fused salt feeder (9) include screw conveyer and inclination band conveyer, and screw conveyer's delivery outlet links up with inclination band conveyer's input port mutually, inclination band conveyer's delivery outlet sets up the top at charge door (8).
6. The molten salt melting and warming plant as claimed in claim 1, characterized in that: the molten salt furnace (4) is provided with a burner device (5), and the burner device (5) is used for inputting high-temperature flue gas into the molten salt furnace (4).
7. The molten salt melting and warming plant as claimed in claim 1, characterized in that: the molten salt furnace (4) is also correspondingly provided with a tail flue gas treatment device, the tail flue gas treatment device comprises an air preheater (3) and a chimney (1), the inlet of the air preheater (3) is connected with the flue gas outlet of the molten salt furnace (4), and the outlet of the air preheater (3) is connected with the chimney (1).
8. The molten salt melting and warming plant as claimed in claim 7, characterized in that: and a smoke outlet of the molten salt furnace (4) is connected with a smoke preheating inlet of the high-temperature molten salt storage tank (10), so that the high-temperature molten salt storage tank (10) is preheated.
9. The molten salt melting and warming plant as claimed in claim 1, characterized in that: the molten salt furnace (4) is internally provided with a coil group, an upper header and a lower header, the inlet of the coil group is connected with the outlet of the lower header, the outlet of the coil group is connected with the inlet of the upper header, the inlet of the lower header is connected with the output end of the pumping device (6), and the outlet of the upper header is used for flowing out the heated molten salt.
10. The molten salt melting and warming plant as claimed in claim 9, characterized in that: the coil group is of a double-layer coil structure, and the inner ring and the outer ring of the double-layer coil structure are of a parallel structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620207793.9U CN205448370U (en) | 2016-03-17 | 2016-03-17 | Fused salt melt with intensification integrated equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620207793.9U CN205448370U (en) | 2016-03-17 | 2016-03-17 | Fused salt melt with intensification integrated equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205448370U true CN205448370U (en) | 2016-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620207793.9U Active CN205448370U (en) | 2016-03-17 | 2016-03-17 | Fused salt melt with intensification integrated equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106362650A (en) * | 2016-10-11 | 2017-02-01 | 东华工程科技股份有限公司 | Skid-mounted fused salt pre-mixing and salt dissolving system |
| CN111056750A (en) * | 2019-12-31 | 2020-04-24 | 深圳市诸脉科技有限公司 | Automatic change fused salt and add device and glass chemical tempering production facility |
| WO2022267151A1 (en) * | 2021-06-23 | 2022-12-29 | 中国船舶重工集团新能源有限责任公司 | Solar photothermal power station salt melting system based on natural gas heat transfer oil furnace |
| ES2961013R1 (en) * | 2021-06-23 | 2024-04-11 | Beijing Lanhaiyineng New Energy Group Co Ltd | A fused salt thermal energy storage power plant salt fusion system |
-
2016
- 2016-03-17 CN CN201620207793.9U patent/CN205448370U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106362650A (en) * | 2016-10-11 | 2017-02-01 | 东华工程科技股份有限公司 | Skid-mounted fused salt pre-mixing and salt dissolving system |
| CN111056750A (en) * | 2019-12-31 | 2020-04-24 | 深圳市诸脉科技有限公司 | Automatic change fused salt and add device and glass chemical tempering production facility |
| WO2022267151A1 (en) * | 2021-06-23 | 2022-12-29 | 中国船舶重工集团新能源有限责任公司 | Solar photothermal power station salt melting system based on natural gas heat transfer oil furnace |
| ES2961013R1 (en) * | 2021-06-23 | 2024-04-11 | Beijing Lanhaiyineng New Energy Group Co Ltd | A fused salt thermal energy storage power plant salt fusion system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 213000 No. 18 venture Road, Xinbei District, Jiangsu, Changzhou Patentee after: Changzhou Energy Equipment Co.,Ltd. Address before: 213033 No. 18 Chuangye Road, Xinbei District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU ENERGY ENGINEERING Co.,Ltd. |