CN218993071U - Precooling device of low-temperature storage tank - Google Patents
Precooling device of low-temperature storage tank Download PDFInfo
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- CN218993071U CN218993071U CN202223533997.6U CN202223533997U CN218993071U CN 218993071 U CN218993071 U CN 218993071U CN 202223533997 U CN202223533997 U CN 202223533997U CN 218993071 U CN218993071 U CN 218993071U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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Abstract
The utility model provides a precooling device of a low-temperature storage tank, which can precool tank bodies with different diameters, ensure the whole precooling of the tank bodies, and prevent local temperature difference in the precooling process, thereby preventing the tank bodies from deforming. The utility model comprises an outer sleeve pad, an air cushion, a precooling pad, precooling pipe fittings and a filling pad; the air cushion is fixedly arranged below the pre-cooling cushion, and the outer sleeve cushion is fixedly sleeved on the outer sides of the pre-cooling cushion and the air cushion; the precooling pipe fitting is fixed in the precooling pad and comprises a main liquid inlet pipe, a main liquid outlet pipe and a shunt pipe; the two ends of the shunt tube are respectively connected with the main liquid inlet tube and the main liquid outlet tube; the outer side of the outer sleeve pad is fixedly connected with a magic tape; the air cushion is fixedly connected with an inflation tube; the filling pad is internally and fixedly provided with a filling pre-cooling pipe, a liquid inlet of the filling pre-cooling pipe is connected with a main liquid inlet pipe, and a liquid outlet of the filling pre-cooling pipe is connected with the main liquid inlet pipe.
Description
Technical Field
The utility model relates to a precooling device of a low-temperature storage tank.
Background
LNG is generally stored in a LNG receiving station by using a low-temperature oversized storage tank, and in a test run stage, precooling of the low-temperature oversized LNG storage tank is a critical task.
The existing precooling device has the main defects that (1) the precooling device is fixed in size and can not precool tank mechanisms with different sizes; (2) The precooling mode of the precooling device is single, the universality is poor, namely, the precooling device only has the function of precooling the inner wall or the outer wall of the tank body, and when the tank bodies with different types and different sizes are cooled, two sets of different precooling devices are needed for the tank bodies (the inner wall precooling or the outer wall precooling) with different precooling requirements; (3) Local temperature difference easily exists in the precooling process, and the storage tank is deformed due to the local temperature difference.
The utility model discloses an LNG low-temperature storage tank precooling system, which comprises an LNG low-temperature storage tank main body and a precooling device main body, wherein a limiting block is fixedly arranged on the outer surface of the LNG low-temperature storage tank main body, a mounting base is arranged at the bottom of the precooling device main body, a connecting rod is fixedly arranged on the upper surface of the mounting base, a precooling pipe is fixedly arranged on the upper surface of the connecting rod, a mounting groove is formed in the upper surface of the mounting base, and a telescopic cylinder is fixedly arranged in the mounting groove; above-mentioned precooling system carries out the precooling to the low temperature storage tank through the annular pipe, and the space department temperature between the adjacent annular pipe reduces slower, takes place local difference in temperature easily and produces deformation to the diameter of annular pipe can't change according to the demand, can't precool the not unidimensional jar body.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides the precooling device of the low-temperature storage tank with reasonable structural design, which can precool tank bodies with different diameters, ensure the integral precooling of the tank bodies, and prevent local temperature difference in the precooling process, thereby preventing the tank bodies from deforming.
The utility model solves the problems by adopting the following technical scheme: a precooling apparatus for a cryogenic tank, characterized in that: comprises an outer sleeve pad, an air cushion, a precooling pad, precooling pipe fittings and a filling pad; the air cushion is fixedly arranged below the pre-cooling cushion, and the outer sleeve cushion is fixedly sleeved on the outer sides of the pre-cooling cushion and the air cushion; the precooling pipe fitting is fixed in the precooling pad and comprises a main liquid inlet pipe, a main liquid outlet pipe and a shunt pipe; the two ends of the shunt tube are respectively connected with the main liquid inlet tube and the main liquid outlet tube; the outer side of the outer sleeve pad is fixedly connected with a magic tape; the air cushion is fixedly connected with an inflation tube; the filling pad is internally and fixedly provided with a filling pre-cooling pipe, a liquid inlet of the filling pre-cooling pipe is connected with a main liquid inlet pipe, and a liquid outlet of the filling pre-cooling pipe is connected with the main liquid inlet pipe.
The pre-cooling pad comprises a pre-cooling pad sleeve and a filling heat-conducting material; the filling heat-conducting material is filled in the pre-cooling pad sleeve, and the pre-cooling pipe fitting is buried in the filling heat-conducting material.
The liquid inlet of the main liquid inlet pipe and the liquid outlet of the main liquid outlet pipe extend out of the pre-cooling pad and the outer side of the outer sleeve pad.
The liquid inlet of the main liquid inlet pipe and the liquid outlet of the main liquid outlet pipe are positioned on the same side of the outer sleeve pad.
The utility model provides a shunt tube which is provided with a plurality of shunt tubes which are mutually connected in parallel and are arranged in parallel.
The magic tape comprises a male surface and a female surface which are mutually matched, wherein the male surface and the female surface are respectively and fixedly connected to the front surface and the back surface of the coat pad.
The utility model installs the inflation control valve on the inflation tube.
The utility model installs a precooling control valve on the filling precooling pipe.
The filling pad is provided with an outer bonding cambered surface, an inner bonding cambered surface and an end connecting groove, wherein the outer bonding cambered surface and the inner bonding cambered surface are connected with each other, and two ends of the end connecting groove are respectively connected with the outer bonding cambered surface and the inner bonding cambered surface.
The filling pad is filled with a heat conducting material.
Compared with the prior art, the utility model has the following advantages and effects:
(1) The precooling temperature is transmitted into the outer sleeve gasket through the precooling pipe fitting, the tank body is cooled through the outer sleeve gasket, and the local temperature difference at the gap between the precooling pipe fittings is prevented from being generated, so that the tank body is prevented from being deformed in the precooling process.
(2) The precooling device can directly wrap or support the precooling device on the surface (inner side or outer side surface) of the tank body, so that the tank body with different sizes is cooled, and the universality of the precooling device is improved.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present utility model.
Fig. 2 is a partial enlarged view at a in fig. 1.
Fig. 3 is a schematic view of a cross-sectional partial structure of an embodiment of the present utility model.
Fig. 4 is a schematic view of a vertical partial cross-sectional structure of an embodiment of the present utility model.
Fig. 5 is a schematic view of a vertical partial cross-sectional structure of the packing pad.
FIG. 6 is a view showing a state of use of the can body coated with the embodiment of the present utility model.
FIG. 7 is a view showing a state of use of the present utility model against the inner wall of the can body.
Detailed Description
The present utility model will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present utility model and not limited to the following examples.
The embodiment of the utility model comprises an outer sleeve pad 1, an air cushion 2, a pre-cooling pad 3, a pre-cooling pipe fitting 4 and a filling pad 11.
The air cushion 2 is fixedly arranged below the pre-cooling cushion 3; the outer sleeve cushion 1 is sleeved on the outer sides of the pre-cooling cushion 3 and the air cushion 2, and the side walls of one side of the pre-cooling cushion 3 and one side of the air cushion 2 are mutually sewed with the outer sleeve cushion 1, so that the pre-cooling cushion 3 and the air cushion 2 are fixed with the outer sleeve cushion 1.
The pre-cooling pad 3 comprises a pre-cooling pad sleeve 5 and a filling heat conducting material 6. The filling heat conducting material 6 is filled in the pre-cooling pad sleeve 5, the pre-cooling pipe fitting 4 is buried in the filling heat conducting material 6, and the filling heat conducting material 6 is fixed in the pre-cooling pad sleeve 5, so that the temperature on the pre-cooling pipe fitting 4 can be conveniently and uniformly transferred to the tank body. Through the liquid that is used for precooling of pouring into precooling pipe fitting 4 into, in the liquid got into precooling pad 3, through precooling pad 3 with precooling temperature transfer to overcoat pad 1, cool off jar body 14 through overcoat pad 1, prevent that the clearance department between the precooling pipe fitting 4 from producing local difference in temperature to prevent jar body 14 precooling in-process emergence deformation.
The precooling pipe fitting 4 comprises a main liquid inlet pipe 4-1, a main liquid outlet pipe 4-2 and a shunt pipe 4-3. The main liquid inlet pipe 4-1 and the main liquid outlet pipe 4-2 are respectively connected with an external liquid inlet pipe and an external liquid outlet pipe, and the liquid inlet of the main liquid inlet pipe 4-1 and the liquid outlet of the main liquid outlet pipe 4-2 extend out of the precooling pad 3 and the outer side of the outer sleeve pad 1, so that the precooling pipe is convenient to connect with the external liquid inlet pipe and the external liquid outlet pipe, and the precooling pipe fitting 4 is convenient to be filled with precooling liquid; and the liquid inlet of the main liquid inlet pipe 4-1 and the liquid outlet of the main liquid outlet pipe 4-2 are positioned on the same side of the outer sleeve gasket 1, thereby improving the use convenience. The two ends of the shunt tubes 4-3 are respectively connected with the main liquid inlet tube 4-1 and the main liquid outlet tube 4-2, and the shunt tubes 4-3 are mutually connected in parallel and are arranged in parallel. The precooling pad 3 is cooled through the plurality of shunt tubes 4-3 simultaneously, in the precooling process, as the plurality of shunt tubes 4-3 are connected between the main liquid inlet pipe 4-1 and the main liquid outlet pipe 4-2 in parallel, and the pipe diameter of the main liquid inlet pipe 4-1 is larger than that of the shunt tubes 4-3, when precooling liquid flows in through the main liquid inlet pipe 4-1, each shunt tube 4-3 basically flows in precooling liquid simultaneously, so that the whole precooling device cools simultaneously, and the precooling efficiency of the precooling device is improved. In the pre-cooling process, the liquid inlet flow rate of the main liquid inlet pipe 4-1 can be increased, the pre-cooling liquid flow rate entering the main liquid inlet pipe 4-1 is increased, the pre-cooling liquid of each shunt pipe 4-3 is further guaranteed to be in a state of basically simultaneously flowing in, the pre-cooling pipe fitting 4 is positioned in the pre-cooling pad 3, and the pre-cooling pad 3 is filled with a heat conducting material, so that the whole pre-cooling pad 3 is in a state of synchronously cooling.
The outside fixedly connected with magic subsides of overcoat pad 1, the magic subsides include public face 7 and the female face 8 of mutual adaptation, and public face 7 and female face 8 can bond each other, and public face 7 and female face 8 are fixed connection respectively on the positive and negative two sides of overcoat pad 1 to the tip of the overcoat pad 1 of being convenient for carries out the coincide. The area of the male surface 7 is larger than that of the female surface 8, so that the female surface 8 can be attached to different positions of the male surface 7 conveniently, and the diameter formed by enclosing of the precooling device is changed, so that precooling can bodies are carried out on different cans.
The air cushion 2 is fixedly connected with an air charging pipe 9 for charging and discharging the air cushion 2, and preferably, the air charged into the air cushion 2 can be air or inert gas. The inflation tube 9 is provided with an inflation control valve 10, and the inflation control valve 10 is used for controlling the on-off of the inflation tube 9, so that the air cushion 2 is kept in an inflated or deflated state.
The filling pad 11 is arranged beside the jacket pad 1, a filling pre-cooling pipe 12 is fixedly arranged in the filling pad 11, a heat conducting material is filled in the filling pad 11, the filling pad 11 is used for filling a gap formed by overlapping the jacket pad 1, and local temperature difference is prevented from being generated at the gap formed by overlapping the jacket pad 1. The liquid inlet of the filling pre-cooling pipe 12 is connected with the main liquid inlet pipe 4-1, and the liquid outlet is connected with the main liquid inlet pipe 4-1, so that pre-cooling liquid can be injected into the filling pre-cooling pipe 12 and the pre-cooling pipe fitting 4 at the same time. A pre-cooling control valve 13 is arranged on the filling pre-cooling pipe 12, and the pre-cooling control valve 13 is used for controlling the on-off of the filling pre-cooling pipe 12, so that pre-cooling liquid is injected into the filling pre-cooling pipe 12 according to the requirement.
The filling pad 11 is provided with an outer bonding cambered surface 11-1, an inner bonding cambered surface 11-2 and an end connecting groove 11-3, wherein the outer bonding cambered surface 11-1 and the inner bonding cambered surface 11-2 are connected with each other, two ends of the end connecting groove 11-3 are respectively connected with the outer bonding cambered surface 11-1 and the inner bonding cambered surface 11-2, the filling pad 11 is used when cooling the inner wall of the tank body, the outer bonding cambered surface 11-1 is used for bonding with the inner wall of the tank body, the inner bonding cambered surface 11-2 is used for guiding the outer sleeve pad 1, the end connecting groove 11-3 is used for bonding with the end part of the outer sleeve pad 1, so that the gap at the overlapped part of the outer sleeve pad 1 is ensured to be filled, and the generation of local temperature difference is prevented.
When needs carry out precooling to jar external wall, with this device cladding in the outside of jar body, it is fixed through the magic subsides, need not to aerify air cushion 2 this moment, precooling temperature on the precooling pad 3 is transmitted to on the overcoat pad 1 to precool the jar body surface, the thickness of overcoat pad 1 reduces greatly this moment, and the gap of overcoat pad 1 coincide department is less, can not take place the phenomenon of local difference in temperature in coincide department.
When the inner wall of the tank body needs to be precooled, the device is placed in the tank body, and the magic tape is inconvenient to use; the air cushion 2 is inflated, so that the outer sleeve cushion 1 is propped against the inner wall of the tank body, at the moment, the filling cushion 11 is filled in a gap of the overlapped part of the outer sleeve cushion 1, the air cushion 2 is continuously inflated, the gap between the outer sleeve cushion 1 and the inner wall of the tank body is reduced, the precooling temperature on the precooling cushion 3 is transferred to the outer sleeve cushion 1, and the inner wall of the tank body is precooled through the outer sleeve cushion 1; after precooling is finished, the air cushion 2 is deflated, and after deflation is finished, the volume of the device is greatly reduced, so that the device is taken out from a liquid inlet and a liquid outlet, an overhaul port and the like of the storage tank. In this embodiment, in order to ensure that the whole precooling apparatus is circular arc when the air cushion 2 is inflated, the shape of the air cushion 2 is set to be circular arc, and the precooling apparatus is made to be circular arc during the inflation process of the air cushion 2.
The precooling device has larger area and is larger than the area of the side wall of the tank body in the general market, and the precooling device can be directly wrapped or propped against the surface (inner side or outer side surface) of the tank body, so that the tank body with different sizes is cooled, and the universality of the precooling device is improved.
In addition, it should be noted that the specific embodiments described in the present specification may vary from part to part, from name to name, etc., and the above description in the present specification is merely illustrative of the structure of the present utility model. All equivalent or simple changes of the structure, characteristics and principle according to the inventive concept are included in the protection scope of the present patent. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions in a similar manner without departing from the scope of the utility model as defined in the accompanying claims.
Claims (10)
1. A precooling apparatus for a cryogenic tank, characterized in that: comprises an outer sleeve pad, an air cushion, a precooling pad, precooling pipe fittings and a filling pad; the air cushion is fixedly arranged below the pre-cooling cushion, and the outer sleeve cushion is fixedly sleeved on the outer sides of the pre-cooling cushion and the air cushion; the precooling pipe fitting is fixed in the precooling pad and comprises a main liquid inlet pipe, a main liquid outlet pipe and a shunt pipe; the two ends of the shunt tube are respectively connected with the main liquid inlet tube and the main liquid outlet tube; the outer side of the outer sleeve pad is fixedly connected with a magic tape; the air cushion is fixedly connected with an inflation tube; the filling pad is internally and fixedly provided with a filling pre-cooling pipe, a liquid inlet of the filling pre-cooling pipe is connected with a main liquid inlet pipe, and a liquid outlet of the filling pre-cooling pipe is connected with the main liquid inlet pipe.
2. The cryogenic tank pre-cooling device of claim 1, wherein: the pre-cooling pad comprises a pre-cooling pad sleeve and a filling heat-conducting material; the filling heat-conducting material is filled in the pre-cooling pad sleeve, and the pre-cooling pipe fitting is buried in the filling heat-conducting material.
3. The cryogenic tank pre-cooling device of claim 1, wherein: the liquid inlet of the main liquid inlet pipe and the liquid outlet of the main liquid outlet pipe extend out of the pre-cooling pad and the outer side of the outer sleeve pad.
4. The cryogenic tank pre-cooling device of claim 1, wherein: the liquid inlet of the main liquid inlet pipe and the liquid outlet of the main liquid outlet pipe are positioned on the same side of the outer sleeve pad.
5. The cryogenic tank pre-cooling device of claim 1, wherein: the shunt tubes are parallel to each other and are arranged in parallel.
6. The cryogenic tank pre-cooling device of claim 1, wherein: the magic tape comprises a male surface and a female surface which are mutually matched, and the male surface and the female surface are respectively and fixedly connected to the front surface and the back surface of the coat pad.
7. The cryogenic tank pre-cooling device of claim 1, wherein: an inflation control valve is arranged on the inflation tube.
8. The cryogenic tank pre-cooling device of claim 1, wherein: a precooling control valve is arranged on the filling precooling pipe.
9. The cryogenic tank pre-cooling device of claim 1, wherein: the filling pad on be provided with outside laminating cambered surface, inboard laminating cambered surface and end connection groove, outside laminating cambered surface and inboard laminating cambered surface interconnect, the both ends of end connection groove are connected with outside laminating cambered surface and inboard laminating cambered surface respectively.
10. The cryogenic tank pre-cooling device of claim 1, wherein: the filling pad is filled with a heat conducting material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223533997.6U CN218993071U (en) | 2022-12-29 | 2022-12-29 | Precooling device of low-temperature storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223533997.6U CN218993071U (en) | 2022-12-29 | 2022-12-29 | Precooling device of low-temperature storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218993071U true CN218993071U (en) | 2023-05-09 |
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ID=86192298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223533997.6U Active CN218993071U (en) | 2022-12-29 | 2022-12-29 | Precooling device of low-temperature storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218993071U (en) |
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- 2022-12-29 CN CN202223533997.6U patent/CN218993071U/en active Active
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