CN113184400B - Fused salt storage tank with leakage-proof structure and leakage detection method thereof - Google Patents
Fused salt storage tank with leakage-proof structure and leakage detection method thereof Download PDFInfo
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- CN113184400B CN113184400B CN202110458202.0A CN202110458202A CN113184400B CN 113184400 B CN113184400 B CN 113184400B CN 202110458202 A CN202110458202 A CN 202110458202A CN 113184400 B CN113184400 B CN 113184400B
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- molten salt
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- salt storage
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- 150000003839 salts Chemical class 0.000 title claims abstract description 104
- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 49
- 238000009413 insulation Methods 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 28
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 16
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 16
- 241001330002 Bambuseae Species 0.000 claims description 16
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 16
- 239000011425 bamboo Substances 0.000 claims description 16
- 238000002955 isolation Methods 0.000 claims description 16
- 239000000498 cooling water Substances 0.000 claims description 13
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 239000011150 reinforced concrete Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims 3
- 230000000694 effects Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 6
- 238000005338 heat storage Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/48—Arrangements of indicating or measuring devices
- B65D90/50—Arrangements of indicating or measuring devices of leakage-indicating devices
- B65D90/51—Arrangements of indicating or measuring devices of leakage-indicating devices characterised by sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/02—Wall construction
- B65D90/028—Wall construction hollow-walled, e.g. double-walled with spacers
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a molten salt storage tank with a leakage-proof structure and a leakage detection method thereof, belonging to the technical field of molten salt storage tanks, and the technical scheme is characterized by comprising a supporting mechanism, a heat insulation mechanism, a temperature detection mechanism and a molten salt storage tank assembly, wherein the supporting mechanism is supported and arranged at the bottom of the heat insulation mechanism, and the temperature detection mechanism and the molten salt storage tank assembly are both arranged at the top of the heat insulation mechanism; the heat insulation mechanism comprises a base, and the base is of a hollow shell-shaped structure; the temperature detection mechanism comprises a shell and a plurality of temperature sensors, the shell is in a cover shape and is fixedly buckled on the top of the base in an inverted manner, temperature sensing ends of the temperature sensors extend into the shell, and the temperature sensors are uniformly distributed around the center of the shell in sequence; the molten salt storage tank assembly comprises an outer tank which is in a cover shape. The fused salt storage tank with the leakage-proof structure has good leakage-proof capability, and the leakage detection method of the fused salt storage tank with the leakage-proof structure is very simple, convenient and fast.
Description
Technical Field
The invention relates to the technical field of molten salt storage tanks, in particular to a molten salt storage tank with a leakage-proof structure and a leakage-proof method thereof.
Background
The solar thermal power generation technology uses solar energy to generate electric power, is an important direction for large-scale utilization of solar energy, has the most competitive advantage that the solar thermal power generation technology is easily combined with a heat storage system, and can get rid of the influence caused by unstable solar energy through the heat storage system. The molten salt has the characteristics of high use temperature, wide temperature range, good flow characteristic, large heat capacity and the like, can be used for large-scale heat storage of a solar thermal power station, and is a solar heat storage medium which is most widely applied at present. In a solar photo-thermal power station heat storage system, a molten salt storage tank is one of key devices. The reserves of fused salt storage tank are big and inside temperature is high, in case the emergence is revealed, will cause huge potential safety hazard and economic loss, consequently, need a fused salt storage tank with prevent leaking the structure on the market to and a convenient and fast leak hunting method to this kind of fused salt storage tank with prevent leaking the structure.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a molten salt storage tank with a leakage-proof structure and a leakage detection method thereof.
The technical purpose of the invention is realized by the following technical scheme: a molten salt storage tank with a leakage-proof structure comprises a supporting mechanism, a heat insulation mechanism, a temperature detection mechanism and a molten salt storage tank assembly, wherein the supporting mechanism is supported and arranged at the bottom of the heat insulation mechanism, and the temperature detection mechanism and the molten salt storage tank assembly are both arranged at the top of the heat insulation mechanism; the heat insulation mechanism comprises a base, and the base is of a hollow shell-shaped structure; the temperature detection mechanism comprises a shell and a plurality of temperature sensors, the shell is in a cover shape and is fixedly buckled on the top of the base in an inverted manner, temperature sensing ends of the temperature sensors extend into the shell, and the temperature sensors are sequentially and uniformly distributed around the center of the shell; the fused salt storage tank component comprises an outer tank, the outer tank is in a cover cap shape, the outer tank penetrates through the shell and then is fixedly buckled at the top of the base, a plurality of temperature sensors are arranged around the outer tank, an installation cylinder is coaxially arranged at the top of the inner side of the outer tank, a gap is reserved between the outer wall of the installation cylinder and the inner wall of the outer tank, a pressure gauge for detecting the air pressure in the gap is arranged at the position of the gap of the outer tank, a cavity is formed in the side wall of the installation cylinder, an inner tank is inserted into the cavity, a piston column is arranged at one end of the inner tank positioned in the cavity, the piston column is tightly attached to the inner wall of the cavity, a spring for enabling the inner tank to elastically lift and move is further arranged in the cavity, and a first air hole and a second air hole which are respectively positioned above and below the piston column are further formed in the side wall of the installation cylinder, the inner side of the installation cylinder is communicated with the cavity through the first air hole, the outer side of the installation cylinder is communicated with the cavity through the second air hole, a molten salt injection pipe is inserted into the top of the outer tank in a penetrating mode, and the molten salt injection pipe extends to the inner side of the installation cylinder.
Furthermore, the supporting mechanism comprises a hinged support, a hinged ball and a plurality of electric control telescopic rods, the hinged support is fixedly embedded below the ground, the hinged support is hinged and matched with the hinged ball, the hinged ball is also fixedly connected with the central part of the bottom of the base, the fixed ends of the electric control telescopic rods are vertically and fixedly inserted into the ground, the movable ends of the electric control telescopic rods extend above the ground and can be contacted with the bottom of the base, and the number and the positions of the electric control telescopic rods and the temperature sensors in the vertical direction correspond to each other one by one; the temperature detection mechanism further comprises a single chip microcomputer processor, and the single chip microcomputer processor is electrically connected with the electric control telescopic rods and the temperature sensors.
Furthermore, the supporting mechanism further comprises an isolation groove and reinforced concrete, the isolation groove is fixedly embedded below the ground and surrounds the hinged support and the outer sides of the electric control telescopic rods, a gap is reserved between the isolation groove and the hinged support, the reinforced concrete is filled in the gap, a flange is arranged at the edge of the top of the isolation groove, and the flange extends above the ground and is tightly attached to the ground.
Furthermore, a corrugated cylinder is connected between the flange and the base, and the corrugated cylinder surrounds the hinge ball and the electric control telescopic rods.
Furthermore, a drawer is arranged inside the base, a handle is arranged on the drawer, a circle of gathering groove is formed in the top of the base around the outer tank, the gathering groove is located on the inner side of the shell, and a plurality of leakage holes communicated with the inside of the base are formed in the bottom of the gathering groove.
Furthermore, a transverse heat conducting fin and a plurality of vertical heat conducting fins are arranged inside the drawer, the transverse heat conducting fin is horizontally paved and tightly attached to the inner bottom surface of the drawer, the plurality of vertical heat conducting fins are vertically arranged, one side of each vertical heat conducting fin is tightly attached to the inner top surface of the base, the other end of each vertical heat conducting fin penetrates through the transverse heat conducting fin and the drawer and then is tightly attached to the inner bottom surface of the base, and a circulation hole is formed in one side, close to the transverse heat conducting fin, of each vertical heat conducting fin; the embedded condenser tube that is equipped with in the diapire of base, condenser tube's water inlet and delivery port all are located one side of base.
Furthermore, the cooling water pipe is S-shaped and bent, and a plurality of bent parts of the S-shaped structure correspond to the bottom side positions of the plurality of vertical heat conducting fins one to one and are mutually attached.
Furthermore, the side wall of the mounting cylinder is provided with a plurality of one-way air valves, and the one-way air valves allow air inside the inner tank and the mounting cylinder to be discharged outwards, but do not allow external air to enter the inner tank and the mounting cylinder.
A leakage detection method of a molten salt storage tank with a leakage-proof structure comprises the step of observing the change of the reading of a pressure gauge.
Further, the readings of all the temperature sensors are checked in sequence.
In conclusion, the invention has the following beneficial effects:
1. this kind of fused salt storage tank with prevent leaking structure is equipped with outer jar and inner tank, leaves the gap between the two, when pouring into the fused salt in the inner tank, atmospheric pressure in the clearance between outer jar and the inner tank can rise, make the atmospheric pressure in the inner tank outside to be higher than inboard atmospheric pressure, thereby when inner tank or installation section of thick bamboo take place the damage, because there is pressure differential the inside and outside of inner tank and installation section of thick bamboo, so make the fused salt in the inner tank be difficult for flowing out from its damage, and then played the effect of preventing leaking.
2. This kind of fused salt storage tank with prevent leaking structure, the junction at outer jar and base is equipped with the casing, be equipped with a plurality of temperature sensor on the casing, fused salt in the inner tank leaks to outer jar in, when outwards oozing from the gap between outer jar and the base again, this temperature sensor who oozes near the position will detect the temperature and rise, during the period temperature sensor will transmit the temperature that detects for the singlechip treater with the form of signal of telecommunication, when the temperature rose to the setting value, singlechip treater will control and start a plurality of automatically controlled telescopic links, make base and whole fused salt storage tank subassembly towards keeping away from the one side slope who oozes the position, the position of oozing this moment is raised, fused salt in the outer jar is also towards keeping away from the one side gathering of oozing the position, thereby greatly reduced the pressure of oozing position department, the effect of stopping leaking has been played.
3. This kind of fused salt storage tank with prevent leaking structure, the fused salt that oozes from between outer jar and the base will loop through in gathering groove and small opening inflow to the base, and the fused salt will carry out the heat transfer through conducting strip and condenser tube after flowing into in the base and cool down to the fused salt that makes the spill solidifies in the base, so that subsequent reuse, to sum up, this kind of fused salt storage tank with prevent leaking structure can not let the fused salt scatter everywhere, thereby has effectively reduced pollution and waste.
4. This kind of leak hunting method of fused salt storage tank with prevent leaking structure, the reading through observing the manometer judges whether atmospheric pressure in the clearance between outer jar and the inner tank is stable, it diminishes to show in the short time when the manometer reading, then explain the inner tank has taken place to leak, also can judge whether there is the fused salt to ooze between outer jar and the base through a plurality of temperature sensor's reading in proper order, the reading instantaneous rise when certain temperature sensor, it has the fused salt to ooze to explain this department, the purpose of leak hunting has been reached from this, also can confirm the position that the fused salt leaked accurately, and whole leak hunting method is very simple and convenient and swift.
Drawings
FIG. 1 is an overall structural view of a molten salt storage tank with a leak-proof structure according to the present invention;
FIG. 2 is a cross-sectional structural view of a molten salt storage tank supporting mechanism with a leakage-proof structure according to the present invention;
FIG. 3 is a cross-sectional structural view of a molten salt storage tank heat insulation mechanism with a leak-proof structure and a molten salt storage tank assembly according to the present invention;
FIG. 4 is an enlarged view taken at A in FIG. 3;
fig. 5 is an enlarged view of fig. 3 at B.
In the figure: 1. an isolation trench; 2. a flange; 3. a bellows; 4. reinforced concrete; 5. hinging seat; 6. hinging the ball; 7. an electric control telescopic rod; 8. a base; 9. an accumulation tank; 10. a leak hole; 11. a cooling water pipe; 12. a drawer; 13. a handle; 14. a vertical heat conducting fin; 15. a flow-through hole; 16. a transverse heat conducting fin; 17. a housing; 18. a temperature sensor; 19. a single chip processor; 20. an outer tank; 21. an inner tank; 22. a molten salt injection pipe; 23. a piston post; 24. mounting the cylinder; 25. a one-way air valve; 26. a cavity; 27. a first air hole; 28. A second air hole; 29. a spring; 30. and a pressure gauge.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a molten salt storage tank with a leakage-proof structure includes a supporting mechanism, a heat-insulating mechanism, a temperature detecting mechanism and a molten salt storage tank assembly, wherein the supporting mechanism is supported at the bottom of the heat-insulating mechanism, and the temperature detecting mechanism and the molten salt storage tank assembly are both installed at the top of the heat-insulating mechanism; the heat insulation mechanism comprises a base 8, the base 8 is of a hollow shell structure, and the heat insulation mechanism has good heat insulation effect on molten salt in the molten salt storage tank assembly; the temperature detection mechanism comprises a shell 17 and a plurality of temperature sensors 18, the shell 17 is in a cover shape and is fixedly buckled at the top of the base 8, temperature sensing ends of the temperature sensors 18 extend into the shell 17, and the temperature sensors 18 are sequentially and uniformly distributed around the center of the shell 17; the fused salt storage tank assembly comprises an outer tank 20, the outer tank 20 is in a cover cap shape, the fused salt storage tank assembly is fixedly and reversely buckled on the top of a base 8 after penetrating through a shell 17, a plurality of temperature sensors 18 are further arranged around the outer tank 20, an installation cylinder 24 is coaxially arranged on the top of the inner side of the outer tank 20, a gap is reserved between the outer wall of the installation cylinder 24 and the inner wall of the outer tank 20, a pressure gauge 30 used for detecting the air pressure in the gap is arranged at the position of the outer tank 20, a cavity 26 is formed in the side wall of the installation cylinder 24, an inner tank 21 is inserted into the cavity 26, a piston column 23 is arranged at one end of the inner tank 21, which is positioned in the cavity 26, the piston column 23 is tightly attached to the inner wall of the cavity 26, a spring 29 used for enabling the inner tank 21 to elastically lift and move is further arranged in the cavity 26, a first air hole 27 and a second air hole 28 which are respectively positioned above and below the piston column 23 are further formed in the side wall of the installation cylinder 24, wherein the first air hole 27 is used for communicating the inner side of the installation cylinder 24 with the cavity 26, the second air hole 28 communicates the outside of the mounting cylinder 24 with the cavity 26, the molten salt injection pipe 22 is inserted through the top of the outer tank 20, and the molten salt injection pipe 22 extends to the inside of the mounting cylinder 24. Through the above technical solutions, please refer to fig. 3 and 5, after the molten salt is injected into the inner tank 21 through the molten salt injection pipe 22, the weight of the inner tank 21 is increased, so that it moves downward, during which the piston column 23 at the top end of the inner tank 21 slides in the cavity 26 and presses the air in the cavity 26, so that the air inside the inner tank 21 and the mounting cylinder 24 is pumped into the cavity 26, the air inside the cavity 26 is discharged into the gap between the inner tank 21 and the mounting cylinder 24 and the outer tank 20, during which the spring 29 in the cavity 26 is compressed by the piston column 23 and generates a reverse elastic force, at this time, the air pressure outside the inner tank 21 and the mounting cylinder 24 is greater than the air pressure inside, so that when the inner tank 21 or the mounting cylinder 24 is damaged, because there is a pressure difference between the inside and the outside of the inner tank 21 and the mounting cylinder 24, the molten salt in the inner tank 21 is not easy to flow out from the damaged position, the molten salt storage tank with the leakage-proof structure further has the leakage-proof effect, and the outer tank 20 and the inner tank 21 of the molten salt storage tank with the leakage-proof structure have the double-protection effect and have the good leakage-proof effect. If molten salt leaks from the inner tank 21 to the base 8 inside the outer tank 20, the leaked molten salt is easy to leak out from the gap between the outer tank 20 and the base 8, the shell 17 completely covers the gap between the outer tank 20 and the base 8 due to the arrangement of the shell 17, the plurality of temperature sensors 18 are arranged on the shell 17 around the outer tank 20, the shell 17 plays a further role of isolating and closing to prevent the molten salt from leaking out from the gap between the outer tank 20 and the base 8 to the outside, the plurality of temperature sensors 18 can detect the temperature of the gap at each position between the outer tank 20 and the base 8, when one temperature sensor 18 detects abnormal temperature rise, the position of the temperature sensor 18 is indicated to have the molten salt seep out so as to be convenient for personnel to accurately and timely overhaul so as to prevent the molten salt from being excessively gathered and leaking out in the shell 17, has good leakage-proof effect.
Further, as shown in fig. 1 and 2, the supporting mechanism includes a hinged support 5, a hinge ball 6 and a plurality of electric control telescopic rods 7, the hinged support 5 is fixedly embedded below the ground, the hinged support 5 is hinged and matched with the hinge ball 6, the hinge ball 6 is also fixedly connected with the central part of the bottom of the base 8, the fixed ends of the electric control telescopic rods 7 are vertically and fixedly inserted on the ground, the movable ends of the electric control telescopic rods extend above the ground and can be contacted with the bottom of the base 8, and the number and the vertical positions of the electric control telescopic rods 7 and the temperature sensors 18 are in one-to-one correspondence; the temperature detection mechanism further comprises a single chip microcomputer processor 19, the single chip microcomputer processor 19 is electrically connected with the plurality of electric control telescopic rods 7 and the plurality of temperature sensors 18, the temperature detected by all the temperature sensors 18 is transmitted to the single chip microcomputer processor 19 in an electric signal form in real time, when a certain temperature value received by the single chip microcomputer processor 19 is larger than a set value, the situation that molten salt seeps out from the temperature sensors 18 sending signals is indicated, the single chip microcomputer processor 19 sends a control instruction to all the electric control telescopic rods 7 at the moment, under the hinging and matching of the hinged support 5 and the hinged ball 6, all the electric control telescopic rods 7 can perform telescopic motion until the base 8 and the whole molten salt storage tank assembly incline towards one side far away from the seeping part, at the moment, the seeping part is lifted, the molten salt in the outer tank 20 is gathered towards one side far away from the seeping part, and the pressure at the seeping part is greatly reduced, the function of leakage stopping is achieved.
Further, as shown in fig. 2, the supporting mechanism further comprises an isolation groove 1 and reinforced concrete 4, the isolation groove 1 is fixedly embedded below the ground and surrounds the hinged support 5 and the outer sides of the electric control telescopic rods 7, a gap is reserved between the isolation groove 1 and the hinged support 5, the reinforced concrete 4 is filled in the gap, a flange 2 is arranged at the edge of the top of the isolation groove 1, the flange 2 extends to the ground and clings to the ground, the flange 2 enables the isolation groove 1 not to sink into the ground easily, so that the isolation groove 1 is more firm and reliable to install, the isolation groove 1 plays a role in isolating and waterproofing, the reinforced concrete 4 plays a further role in isolating and waterproofing after solidification, and the strength of the whole supporting mechanism is effectively improved by the two.
Further, as shown in fig. 1, a corrugated cylinder 3 is connected between the flange 2 and the base 8, the hinge ball 6 and the plurality of electric control telescopic rods 7 are surrounded by the corrugated cylinder 3, and the corrugated cylinder 3 plays a role in isolating, dust preventing and water preventing the electric control telescopic rods 7 and the hinge ball 6, so that the dustproof and waterproof structure has a good protection effect.
Further, as shown in fig. 3 and 4, a drawer 12 is arranged inside the base 8, a handle 13 is arranged on the drawer 12, a circle of gathering groove 9 is formed in the top of the base 8 around the outer tank 20, the gathering groove 9 is located on the inner side of the shell 17, a plurality of leakage holes 10 communicated with the inside of the base 8 are formed in the bottom of the gathering groove 9, molten salt seeped out from the space between the outer tank 20 and the base 8 flows into the drawer 12 in the base 8 sequentially through the gathering groove 9 and the leakage holes 10, the drawer 12 can be pulled out from the base 8 through the handle 13, and therefore the molten salt collected in the drawer 12 can be conveniently treated, and the seeped molten salt is prevented from flowing to the outside and causing pollution and waste.
Furthermore, a transverse heat conducting fin 16 and a plurality of vertical heat conducting fins 14 are arranged inside the drawer 12, the transverse heat conducting fin 16 is horizontally paved and tightly attached to the inner bottom surface of the drawer 12, the plurality of vertical heat conducting fins 14 are vertically arranged, one side of each vertical heat conducting fin 14 is tightly attached to the inner top surface of the base 8, the other end of each vertical heat conducting fin passes through the transverse heat conducting fin 16 and the drawer 12 and then is tightly attached to the inner bottom surface of the base 8, and a circulation hole 15 is formed in one side of each vertical heat conducting fin 14, which is close to the transverse heat conducting fin 16; the cooling water pipe 11 is embedded in the bottom wall of the base 8, the water inlet and the water outlet of the cooling water pipe 11 are both located on one side of the base 8, the molten salt flows into the drawer 12 and then is subjected to heat exchange and cooling through the transverse heat conducting fins 16, the vertical heat conducting fins 14 and the cooling water pipe, the transverse heat conducting fins 16 and the vertical heat conducting fins 14 divide the interior of the drawer 12 into a plurality of grids, the heat conducting fins are uniformly distributed and have a good heat conducting effect, the molten salt can freely flow and spread out in the drawer 12 through the circulation holes 15 to accelerate heat conduction and prevent molten salt aggregation, so that the molten salt can more quickly exchange and cool with the cooling water pipe 11 by means of the heat conducting fins, leaked molten salt is quickly solidified in the base 8, subsequent molten salt can be taken out and reused, and in sum, the molten salt storage tank with the leakage-proof structure can not scatter the molten salt, thereby effectively reducing pollution and waste, and the molten salt can be cooled and solidified quickly after flowing into the drawer 12, so that the molten salt can be taken out from the drawer 12 conveniently.
Further, the cooling water pipe 11 is the S type and buckles, and a plurality of kinks of this S type structure just laminate each other with a plurality of bottom side position one-to-one that erect heat conduction piece 14, and the cooling water pipe 11 of structure can prolong the cooling water and make its and the heat transfer between the fused salt more abundant like this at its inside flow time to the cooling water pipe 11 of this structure can fully contact with a plurality of bottom sides that erect heat conduction piece 14, thereby has further promoted the heat transfer effect between the two.
Further, be equipped with a plurality of one-way air valves 25 on the lateral wall of installation section of thick bamboo 24, one-way air valve 25 allows the inside air of inner tank 21 and installation section of thick bamboo 24 to outwards discharge, but not allow outside air to enter into in inner tank 21 and the installation section of thick bamboo 24, during to pouring into the fused salt into inner tank 21, the air in inner tank 21 and the installation section of thick bamboo 24 is compressed, and because the fused salt temperature is high, make the air in inner tank 21 and the installation section of thick bamboo 24 become more inflation, thereby make the air in inner tank 21 and the installation section of thick bamboo 24 extrude outwards by a large amount through a plurality of one-way air valves 25, thereby further increased the atmospheric pressure in clearance between inner tank 21 and the outer jar 20, make the pressure differential of inner tank 21 and the inside and outside both sides of installation section of thick bamboo 24 further increase, thereby have better leak protection effect.
The utility model provides a leak hunting method of fused salt storage tank with prevent leaking structure, change including the reading of observing manometer 30, judge through the reading of observing manometer 30 whether the atmospheric pressure in the clearance between outer jar 20 and the inner tank 21 is stable, it diminishes to show in the short time when manometer 30 reading, it has leaked to explain inner tank 21, also can judge whether there is the fused salt to ooze between outer jar 20 and the base 8 through checking the reading of a plurality of temperature sensor 18 in proper order, when the reading transient rise of certain temperature sensor 18, it has the fused salt to ooze to explain this department, the purpose of leak hunting has been reached from this, also can confirm the position that the fused salt leaked accurately, and whole leak hunting method is very simple and convenient and swift.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (10)
1. A molten salt storage tank with a leak-proof structure, comprising:
the device comprises a supporting mechanism, a heat insulation mechanism, a temperature detection mechanism and a molten salt storage tank assembly, wherein the supporting mechanism is supported and arranged at the bottom of the heat insulation mechanism, and the temperature detection mechanism and the molten salt storage tank assembly are both arranged at the top of the heat insulation mechanism;
the heat insulation mechanism comprises a base (8), and the base (8) is of a hollow shell-shaped structure;
the temperature detection mechanism comprises a shell (17) and a plurality of temperature sensors (18), the shell (17) is in a cover shape and is fixedly buckled on the top of the base (8), temperature sensing ends of the temperature sensors (18) extend into the shell (17), and the temperature sensors (18) are sequentially and uniformly distributed around the center of the shell (17);
fused salt storage tank subassembly includes outer jar (20), outer jar (20) are the shroud form, and it runs through the same fixed back-off behind casing (17) is in the top of base (8), and a plurality of temperature sensor (18) still surround outer jar (20) set up, the coaxial installation section of thick bamboo (24) that is provided with in top of outer jar (20) inboard, the outer wall of installation section of thick bamboo (24) with leave the clearance between the inner wall of outer jar (20), outer jar (20) are located this clearance department and are equipped with manometer (30) that are used for detecting this clearance internal gas pressure, cavity (26) have been seted up in the lateral wall of installation section of thick bamboo (24), inner tank (21) have been inserted in cavity (26), inner tank (21) are located the inside one end of cavity (26) is equipped with piston post (23), piston post (23) are hugged closely the inner wall of cavity (26), the inside of cavity (26) still is equipped with the messenger spring (29) that inner tank (21) elasticity goes up and down to move, still seted up on the lateral wall of installation section of thick bamboo (24) and be located respectively piston post (23) upper and lower both sides first gas pocket (27) and second gas pocket (28), wherein first gas pocket (27) will the inboard of installation section of thick bamboo (24) with cavity (26) intercommunication, second gas pocket (28) will the outside of installation section of thick bamboo (24) with cavity (26) intercommunication, the top of outer jar (20) is run through and is inserted fused salt injection pipe (22), fused salt injection pipe (22) extend to the inboard of installation section of thick bamboo (24).
2. A molten salt storage tank with a leak-proof structure as claimed in claim 1, characterized in that:
the supporting mechanism comprises a hinged support (5), a hinged ball (6) and a plurality of electric control telescopic rods (7), the hinged support (5) is fixedly embedded below the ground, the hinged support (5) is hinged and matched with the hinged ball (6), the hinged ball (6) is also fixedly connected with the central part of the bottom of the base (8), the fixed ends of the electric control telescopic rods (7) are vertically and fixedly inserted on the ground, the movable ends of the electric control telescopic rods extend above the ground and can be in contact with the bottom of the base (8), and the electric control telescopic rods (7) correspond to the temperature sensors (18) in number and positions in the vertical direction one by one;
the temperature detection mechanism further comprises a single chip microcomputer processor (19), and the single chip microcomputer processor (19) is electrically connected with the electric control telescopic rods (7) and the temperature sensors (18).
3. A molten salt storage tank with a leak-proof structure according to claim 2, characterized in that: the supporting mechanism further comprises an isolation groove (1) and reinforced concrete (4), the isolation groove (1) is fixedly embedded below the ground and surrounds the hinged support (5) and the outer sides of the electric control telescopic rods (7), a gap is reserved between the isolation groove (1) and the hinged support (5), the reinforced concrete (4) is filled in the gap, a flange (2) is arranged at the top edge of the isolation groove (1), and the flange (2) extends above the ground and clings to the ground.
4. A molten salt storage tank with a leak-proof structure as claimed in claim 3, characterized in that: a corrugated cylinder (3) is connected between the flange (2) and the base (8), and the hinge ball (6) and the electric control telescopic rods (7) are surrounded by the corrugated cylinder (3).
5. A molten salt storage tank with a leak-proof structure as claimed in claim 1, characterized in that: the novel multifunctional portable refrigerator is characterized in that a drawer (12) is arranged inside the base (8), a handle (13) is arranged on the drawer (12), a circle of gathering groove (9) is formed in the top of the base (8) around the outer tank (20), the gathering groove (9) is located on the inner side of the shell (17), and a plurality of leaking holes (10) communicated with the inside of the base (8) are formed in the bottom of the gathering groove (9).
6. A molten salt storage tank with a leak-proof structure according to claim 5, characterized in that:
a transverse heat conducting fin (16) and a plurality of vertical heat conducting fins (14) are arranged inside the drawer (12), the transverse heat conducting fin (16) is transversely paved and tightly attached to the inner bottom surface of the drawer (12), the plurality of vertical heat conducting fins (14) are vertically arranged, one side of each vertical heat conducting fin (14) is tightly attached to the inner top surface of the base (8), the other end of each vertical heat conducting fin penetrates through the transverse heat conducting fin (16) and the drawer (12) and then is tightly attached to the inner bottom surface of the base (8), and a circulation hole (15) is formed in one side, close to the transverse heat conducting fin (16), of each vertical heat conducting fin (14);
the embedded cooling water pipe (11) that is equipped with in the diapire of base (8), the water inlet and the delivery port of cooling water pipe (11) all are located one side of base (8).
7. A molten salt storage tank with a leak-proof structure according to claim 6, characterized in that: the cooling water pipe (11) is S-shaped bent, and a plurality of bent parts of the S-shaped structure correspond to the bottom side positions of the plurality of vertical heat conducting fins (14) one by one and are mutually attached.
8. A molten salt storage tank with a leak-proof structure as claimed in claim 1, characterized in that: the side wall of the mounting cylinder (24) is provided with a plurality of one-way air valves (25), the one-way air valves (25) allow air inside the inner tank (21) and the mounting cylinder (24) to be discharged outwards, but do not allow external air to enter the inner tank (21) and the mounting cylinder (24).
9. A leak detection method for a molten salt storage tank with a leak prevention structure, to which a molten salt storage tank with a leak prevention structure of any one of claims 1 to 8 is applied, characterized in that: comprising observing a change in the reading of said pressure gauge (30).
10. A leak detection method for a molten salt storage tank having a leak prevention structure, according to claim 9, characterized in that: -checking the readings of all the temperature sensors (18) in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110458202.0A CN113184400B (en) | 2021-04-27 | 2021-04-27 | Fused salt storage tank with leakage-proof structure and leakage detection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110458202.0A CN113184400B (en) | 2021-04-27 | 2021-04-27 | Fused salt storage tank with leakage-proof structure and leakage detection method thereof |
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| CN113184400B true CN113184400B (en) | 2022-07-05 |
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Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3517387B2 (en) * | 2000-06-05 | 2004-04-12 | 岡野バルブ製造株式会社 | Front leak prevention adapter |
| US6880732B2 (en) * | 2003-01-15 | 2005-04-19 | Christian T. Scheindel | Piston for pressurized container |
| JP2005028036A (en) * | 2003-07-11 | 2005-02-03 | Fuso Pharmaceutical Industries Ltd | Multi-chambers vessel |
| JP4659128B1 (en) * | 2010-08-24 | 2011-03-30 | 加賀ワークス株式会社 | Viscous material filling method |
| JP6416515B2 (en) * | 2014-04-03 | 2018-10-31 | 株式会社ダイゾー | Discharge container |
| JP6645191B2 (en) * | 2016-01-07 | 2020-02-14 | タイガー魔法瓶株式会社 | Liquid container |
| CN107380780B (en) * | 2017-08-31 | 2023-06-20 | 中国成达工程有限公司 | Double-layer jacket high-temperature molten salt storage tank |
| GB2575453B (en) * | 2018-07-09 | 2021-01-20 | Subsea 7 Norway As | Subsea Fluid Storage Unit |
| CN209023522U (en) * | 2018-11-19 | 2019-06-25 | 中国电建集团山东电力建设有限公司 | A kind of cooling storage tank device |
| US20220048542A1 (en) * | 2018-12-17 | 2022-02-17 | Olin Corporation | Storage and transport system and method for solid sodium hypochlorite pentahydrate |
| EP3671168A1 (en) * | 2018-12-20 | 2020-06-24 | Omv Refining & Marketing Gmbh | Method for detecting and preventing leakage |
| CN109649877A (en) * | 2019-01-25 | 2019-04-19 | 中山市恒辉自动化科技有限公司 | A kind of liquid chemicals anti-explosion skid-mounted liquid-adding device |
| CN210197001U (en) * | 2019-05-31 | 2020-03-27 | 河南查瑞特种设备有限公司 | LNG storage and transportation tank with safety protection system |
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