CN109425249B - Salt leakage protection structure - Google Patents
Salt leakage protection structure Download PDFInfo
- Publication number
- CN109425249B CN109425249B CN201710774461.8A CN201710774461A CN109425249B CN 109425249 B CN109425249 B CN 109425249B CN 201710774461 A CN201710774461 A CN 201710774461A CN 109425249 B CN109425249 B CN 109425249B
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- salt
- leakage protection
- salt leakage
- box
- leakage
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- 150000003839 salts Chemical class 0.000 title claims abstract description 201
- 239000000523 sample Substances 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims abstract description 5
- 230000000903 blocking effect Effects 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 238000005286 illumination Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 238000012546 transfer Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005338 heat storage Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- F28D20/0056—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using solid heat storage material
-
- 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
- F28D2020/0065—Details, e.g. particular heat storage tanks, auxiliary members within tanks
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a salt leakage protection structure, which comprises a molten salt pipeline, a salt leakage box outer box body, a salt leakage protection box, a rotary joint, a middle thermal insulation layer, a probe, a support column, a base, a salt receiving tank, a lighting bulb, an electric wire hole, an electric wire and a power supply box.
Description
Technical Field
The invention belongs to the field of molten salt heat conduction devices, and particularly relates to a salt leakage protection structure.
Background
The high-temperature high-heat-flow heat transfer and heat accumulation is widely applied to high-temperature heat power conversion such as solar thermal power generation, nuclear power, gas turbine blade cooling and the like and some high-temperature industrial projects. In particular, in recent years, the shortage of fossil energy and the climate change are urgent to use and popularize clean and renewable energy technologies, and under the background, solar thermal power generation and nuclear power are paid unprecedented importance and development, so that the demand for an economic, reliable and efficient high-temperature high-heat-flow heat transfer and heat storage technology is urgent. The working medium is the basis of heat transfer and heat storage. Medium-low temperature heat transfer and storage working media widely exist, but lack high-temperature heat transfer and storage working media, in particular high-pressure high-temperature high-performance liquid heat transfer working media.
The molten salt is a very promising high-temperature liquid heat transfer and storage working medium, and has the advantages of good heat transfer performance, low pressure, low cost and the like. In the process of heat conduction of molten salt, the transported pipeline is often filled with high-temperature and high-pressure molten salt, and the molten salt can be solidified along with the change of temperature in the flowing process, so that the loss of the pipeline is very serious for a long time, and if gaps appear in the pipeline, the molten salt can be lost.
Disclosure of Invention
The invention overcomes the defects in the prior art and provides a salt leakage protection structure.
In order to solve the technical problems, the invention is realized by the following technical scheme:
a salt leakage protection structure comprises a molten salt pipeline, an outer box body of a salt leakage box, a salt leakage protection box, a rotary joint, a middle thermal insulation layer, a probe, a support column, a base, a salt receiving tank, a lighting bulb, an electric wire hole, an electric wire and a power supply box;
two support columns are symmetrically arranged on the base left and right, a salt leakage box outer box body is arranged at the upper ends of the support columns, a salt leakage protection box is arranged in the salt leakage box outer box body, a fused salt pipeline penetrates through the salt leakage protection box and the salt leakage box outer box body, small holes for releasing pressure in a pipe and discharging fused salt are formed in the surface of a pipe body of the fused salt pipeline, which is positioned in the salt leakage protection box, and a salt receiving tank is arranged below the salt leakage protection box between the two support columns;
a rotary joint is arranged at the upper end of the salt leakage protection box, an hourglass orifice plate is arranged at the bottom of the salt leakage protection box, a blocking plate is covered at the upper end of the hourglass orifice plate, three salt leakage holes are arranged on the lower surface (the bottom surface of the salt leakage protection box) of the salt leakage protection box side by side, and a detachable salt leakage device is arranged in the salt leakage holes;
one side of the upper surface support column of the base is provided with an electric wire hole for passing through an electric wire, the upper end of the electric wire hole is provided with an illumination bulb, and the illumination bulb is connected with a power box inside the base through the electric wire.
And an intermediate heat insulating layer is formed between the salt leakage protection box and the outer box body of the salt leakage box.
And the joint of the molten salt pipeline and the salt leakage protection box and the outer box body of the salt leakage box is subjected to sealing treatment.
And the bottom of the rotary joint is provided with a probe which is used for measuring the liquid level height of the leaked molten salt in the salt leakage protection box and sending out a signal in a mode of changing an indicator lamp.
Moreover, the blocking plate completely covers the hourglass orifice plate and can be opened and closed in an active adjustment mode.
And the length of the electric wire is 1-3 m, and the diameter of the electric wire is smaller than the diameter of the electric wire hole.
Moreover, the width of the salt receiving tank is smaller than the distance between the support columns.
And the edge of the salt leakage device is provided with spiral threads for screwing and fixing.
When a salt leakage protection structure is used, a salt leakage protection box is communicated with a salt leakage pipeline, salt leakage enters the salt leakage protection box to release pressure, the salt leakage flows into the salt leakage protection box through small holes, when the salt leakage protection box accumulates the salt leakage to the bottom of a touch rotary joint, the rotary joint sends out an early warning signal, a blocking plate above an hourglass orifice plate is opened at the moment to enable the salt leakage to flow downwards, a salt leakage device in the salt leakage orifice flows out into a salt receiving tank, and the salt leakage protection box is set to provide pressure buffering for the leaked salt so as to achieve the effect of actively releasing the pressure in the pipeline.
Compared with the prior art, the invention has the beneficial effects that:
1. the molten salt in the device can slowly pass through the salt leakage device through the liquid part of the salt leakage device to enter the salt receiving tank so as to achieve the effect of actively releasing the pressure in the pipeline;
2. the probe arranged at the bottom of the rotary joint in the through hole can be used for testing the state of molten salt leakage in the salt leakage protection box;
3. one end of the salt leakage protection box is provided with an illuminating bulb, so that the device is convenient to overhaul in an environment with insufficient light.
4. The pressure in the molten salt pipeline is regulated and controlled in various modes, the effect of protecting the pipeline is achieved, and the actively received molten salt can be used for recycling.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic diagram of a partial structure of a salt leakage hole.
Fig. 3 is a schematic diagram 1 of a partial structure of a salt leakage device.
Fig. 4 is a schematic diagram 2 of a partial structure of a salt leakage device.
Wherein, 1 is the fused salt pipeline, 2 is the outer box of salt leakage box, 3 is salt leakage protection box, 4 is rotary joint, 5 is middle insulating layer, 6 is the probe, 7 is the support column, 8 is the base, 9 is the salt receiving tank, 10 is the illuminating bulb, 11 is the electric wire hole, 12 is the electric wire, 13 is the power supply box, 14 is salt leakage hole, 15 is salt leakage protection box bottom surface, 16 is the spiral line.
Detailed Description
The invention is described in further detail below with reference to the attached drawings and detailed embodiments:
as shown in the figure, the salt leakage protection structure comprises a molten salt pipeline, a salt leakage box outer box body, a salt leakage protection box, a rotary joint, a middle thermal insulation layer, a probe, a support column, a base, a salt receiving tank, a lighting bulb, an electric wire hole, an electric wire and a power supply box;
two support columns are symmetrically arranged on the base left and right, a salt leakage box outer box body is arranged at the upper ends of the support columns, a salt leakage protection box is arranged in the salt leakage box outer box body, a fused salt pipeline penetrates through the salt leakage protection box and the salt leakage box outer box body, small holes for releasing pressure in a pipe and discharging fused salt are formed in the surface of a pipe body of the fused salt pipeline, which is positioned in the salt leakage protection box, and a salt receiving tank is arranged below the salt leakage protection box between the two support columns;
a rotary joint is arranged at the upper end of the salt leakage protection box, an hourglass orifice plate is arranged at the bottom of the salt leakage protection box, a blocking plate is covered at the upper end of the hourglass orifice plate, three salt leakage holes are arranged on the lower surface (the bottom surface of the salt leakage protection box) of the salt leakage protection box side by side, and a detachable salt leakage device is arranged in the salt leakage holes;
one side of the upper surface support column of the base is provided with an electric wire hole for passing through an electric wire, the upper end of the electric wire hole is provided with an illumination bulb, and the illumination bulb is connected with a power box inside the base through the electric wire.
And an intermediate heat insulating layer is formed between the salt leakage protection box and the outer box body of the salt leakage box.
And the joint of the molten salt pipeline and the salt leakage protection box and the outer box body of the salt leakage box is subjected to sealing treatment.
And the bottom of the rotary joint is provided with a probe which is used for measuring the liquid level height of the leaked molten salt in the salt leakage protection box and sending out a signal in a mode of changing an indicator lamp.
Moreover, the blocking plate completely covers the hourglass orifice plate and can be opened and closed in an active adjustment mode.
Moreover, the length of the electric wire is 1 meter, and the diameter of the electric wire is smaller than the diameter of the electric wire hole.
Moreover, the width of the salt receiving tank is smaller than the distance between the support columns.
And the edge of the salt leakage device is provided with spiral threads for screwing and fixing.
When a salt leakage protection structure is used, a salt leakage protection box is communicated with a salt leakage pipeline, salt leakage enters the salt leakage protection box to release pressure, the salt leakage flows into the salt leakage protection box through small holes, when the salt leakage protection box accumulates the salt leakage to the bottom of a touch rotary joint, the rotary joint sends out an early warning signal, a blocking plate above an hourglass orifice plate is opened at the moment to enable the salt leakage to flow downwards, a salt leakage device in the salt leakage orifice flows out into a salt receiving tank, and the salt leakage protection box is set to provide pressure buffering for the leaked salt so as to achieve the effect of actively releasing the pressure in the pipeline.
And the edge of the salt leakage device is provided with spiral threads for screwing and fixing.
When the salt leakage protection structure is used, two ends of the salt leakage protection box are respectively connected with a heat collecting pipe for storing energy of molten salt through a connecting pipeline, the molten salt enters the salt leakage protection box through the connecting pipeline to release pressure, the process of releasing pressure is that a liquid part of a salt leakage device in the molten salt slowly passes through the salt leakage device to enter a salt receiving tank so as to achieve the effect of actively releasing the pressure of the pipeline, a through hole at the upper end of the salt leakage protection box can also release gas through opening a rotary joint, and a probe can be arranged at the bottom of the rotary joint in the through hole except for being used for plugging the through hole so as to test the state of the molten salt.
The molten salt in the device can slowly pass through the salt leakage device through the liquid part of the salt leakage device to enter the salt receiving tank so as to achieve the effect of actively releasing the pressure in the pipeline; the probe arranged at the bottom of the rotary joint in the through hole can be used for testing the state of molten salt leakage in the salt leakage protection box; one end of the salt leakage protection box is provided with an illuminating bulb, so that the device is convenient to overhaul in an environment with insufficient light. The pressure in the fused salt pipeline is regulated and controlled in a plurality of modes, the effect of protecting the pipeline is achieved, and the actively received fused salt can be used for recycling
The foregoing detailed description of the invention has been presented for purposes of illustration and description, but is not intended to limit the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (7)
1. The utility model provides a leak salt protection structure which characterized in that: the device comprises a molten salt pipeline, a salt leakage box outer box body, a salt leakage protection box, a rotary joint, a middle thermal insulation layer, a probe, a support column, a base, a salt receiving tank, an illumination bulb, an electric wire hole, an electric wire and a power supply box;
two support columns are symmetrically arranged on the base left and right, a salt leakage box outer box body is arranged at the upper ends of the support columns, a salt leakage protection box is arranged in the salt leakage box outer box body, a fused salt pipeline penetrates through the salt leakage protection box and the salt leakage box outer box body, small holes for releasing pressure in a pipe and discharging fused salt are formed in the surface of a pipe body of the fused salt pipeline, which is positioned in the salt leakage protection box, and a salt receiving tank is arranged below the salt leakage protection box between the two support columns;
a rotary joint is arranged at the upper end of the salt leakage protection box, an hourglass orifice plate is arranged at the bottom of the salt leakage protection box, a blocking plate is covered at the upper end of the hourglass orifice plate, three salt leakage holes are arranged on the lower surface of the salt leakage protection box side by side, and a detachable salt leakage device is arranged in the salt leakage holes;
a wire hole is formed in one side of the support column on the upper surface of the base and used for penetrating through a wire, an illumination bulb is arranged at the upper end of the wire hole, and the illumination bulb is connected with a power supply box in the base through the wire;
when the salt leakage protection box accumulates molten salt to touch the bottom of the rotary joint, the rotary joint sends out an early warning signal, and at the moment, a blocking plate above an hourglass pore plate is opened to enable the molten salt to flow downwards, and the molten salt flows out into a salt receiving tank through a salt leakage device in the salt leakage hole;
the bottom of the rotary joint is provided with a probe which is used for measuring the liquid level height of molten salt leaked from the salt leakage protection box and sending out a signal in a mode of changing an indicator lamp;
the two ends of the salt leakage protection box are respectively connected with a heat collecting pipe for storing energy of molten salt through a connecting pipeline, the molten salt enters the salt leakage protection box through the connecting pipeline to release pressure, and the pressure releasing process is that the molten salt slowly passes through the salt leakage device through a liquid part of the salt leakage device in the molten salt to enter the salt receiving tank.
2. A salt leakage protection structure according to claim 1, wherein: and an intermediate heat insulation layer is formed between the salt leakage protection box and the outer box body of the salt leakage box.
3. A salt leakage protection structure according to claim 1, wherein: and the joint of the molten salt pipeline and the salt leakage protection box and the outer box body of the salt leakage box is subjected to sealing treatment.
4. A salt leakage protection structure according to claim 1, wherein: the blocking plate completely covers the hourglass orifice plate and can be opened and closed in an active adjustment mode.
5. A salt leakage protection structure according to claim 1, wherein: the length of the electric wire is 1-3 m, and the diameter of the electric wire is smaller than the diameter of the electric wire hole.
6. A salt leakage protection structure according to claim 1, wherein: the width of the salt receiving tank is smaller than the distance between the support columns.
7. A salt leakage protection structure according to claim 1, wherein: spiral lines are arranged on the edge of the salt leakage device and used for screwing and fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710774461.8A CN109425249B (en) | 2017-08-31 | 2017-08-31 | Salt leakage protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710774461.8A CN109425249B (en) | 2017-08-31 | 2017-08-31 | Salt leakage protection structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109425249A CN109425249A (en) | 2019-03-05 |
| CN109425249B true CN109425249B (en) | 2024-01-26 |
Family
ID=65505439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710774461.8A Active CN109425249B (en) | 2017-08-31 | 2017-08-31 | Salt leakage protection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109425249B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10297693A (en) * | 1997-04-28 | 1998-11-10 | Toshiba Corp | Open type liquid tank |
| JP2011002158A (en) * | 2009-06-18 | 2011-01-06 | Tadashi Murahira | Salt melting device |
| CN205641606U (en) * | 2016-03-22 | 2016-10-12 | 浙江中控太阳能技术有限公司 | A pond is revealed to fused salt for solar thermal energy power plant |
| CN205716068U (en) * | 2016-06-25 | 2016-11-23 | 刘琴兰 | Composite, water-drain pipeline |
| CN206377353U (en) * | 2017-01-06 | 2017-08-04 | 浙江中控太阳能技术有限公司 | A kind of pipeline |
| CN206420172U (en) * | 2016-12-28 | 2017-08-18 | 中国电力工程顾问集团西北电力设计院有限公司 | Fused salt heat exchanging safety relief device in a kind of solar energy thermal-power-generating technology |
| CN207197324U (en) * | 2017-08-31 | 2018-04-06 | 甘肃光热发电有限公司 | One kind leakage salt protection structure |
-
2017
- 2017-08-31 CN CN201710774461.8A patent/CN109425249B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10297693A (en) * | 1997-04-28 | 1998-11-10 | Toshiba Corp | Open type liquid tank |
| JP2011002158A (en) * | 2009-06-18 | 2011-01-06 | Tadashi Murahira | Salt melting device |
| CN205641606U (en) * | 2016-03-22 | 2016-10-12 | 浙江中控太阳能技术有限公司 | A pond is revealed to fused salt for solar thermal energy power plant |
| CN205716068U (en) * | 2016-06-25 | 2016-11-23 | 刘琴兰 | Composite, water-drain pipeline |
| CN206420172U (en) * | 2016-12-28 | 2017-08-18 | 中国电力工程顾问集团西北电力设计院有限公司 | Fused salt heat exchanging safety relief device in a kind of solar energy thermal-power-generating technology |
| CN206377353U (en) * | 2017-01-06 | 2017-08-04 | 浙江中控太阳能技术有限公司 | A kind of pipeline |
| CN207197324U (en) * | 2017-08-31 | 2018-04-06 | 甘肃光热发电有限公司 | One kind leakage salt protection structure |
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| Publication number | Publication date |
|---|---|
| CN109425249A (en) | 2019-03-05 |
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