CN220228728U

CN220228728U - Fixed cryogenic pressure container

Info

Publication number: CN220228728U
Application number: CN202321567162.4U
Authority: CN
Inventors: 李军敏; 刘宪平; 柳国祥
Original assignee: Hebei Huida Energy Co ltd
Current assignee: Hebei Huida Energy Co ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2023-12-22
Anticipated expiration: 2033-06-20

Abstract

The utility model relates to the technical field of pressure vessels and discloses a fixed deep-cold pressure vessel which comprises an outer tank body, wherein a plurality of fixing mechanisms are fixedly arranged on the inner wall of the peripheral side of the outer tank body at equal intervals and close to the upper side and the lower side of the outer tank body, a pressure tank is fixedly arranged in the outer tank body through the plurality of fixing mechanisms, the fixing mechanisms comprise a limiting seat, a fixing seat and a fixing shell, the fixing seat and the fixing shell are respectively fixedly arranged on the surfaces of the pressure tank and the outer tank body, and sliding clamping grooves are formed in two sides of the limiting seat. According to the utility model, the pressure container is convenient for arranging the internal pressure tank through the plurality of fixing mechanisms, reduces heat transfer between the external tank body and the internal pressure tank, can reduce the shaking degree of the internal pressure tank in the external tank body, greatly reduces heat transfer through the fixing mechanisms, and is beneficial to keeping the low-temperature state of the pressure tank stable.

Description

Fixed cryogenic pressure container

Technical Field

The utility model relates to the technical field of pressure vessels, in particular to a fixed type deep-cold pressure vessel.

Background

The deep-cold pressure container is a container for storing liquid (such as liquid nitrogen, liquid oxygen, liquid argon and liquefied natural gas) with boiling point lower than-150 ℃ in a high-pressure environment, and the general structure mainly comprises a shell, a pressure container, a supporting and fixing structure between the shell and the pressure container, wherein the pressure container is positioned in the shell and is under the protection of the shell, a vacuum environment is formed between the shell and the internal pressure container, the influence of external heat on the internal pressure container is avoided as much as possible, especially the heat is transmitted through the supporting and fixing structure between the shell and the internal pressure container, the self weight is generally larger, the general strength, the rigidity and the toughness of materials with good heat insulation performance are difficult to be completely suitable for supporting and fixing the internal pressure container, on one hand, the metal materials are easy to transmit heat through the metal materials, the heat bridge between the inside and the outside is too short, the heat insulation effect is poor, on the other hand, the lack of buffering between the shells of the inner tank is easy to cause the shaking of the liquid in the inner tank to cause the low-temperature high-pressure environment to be unstable, and the potential safety hazard exists.

External tank body heat of the deep-cooling pressure container is easily transferred to the pressure tank through a fixing mechanism between the deep-cooling pressure container and the internal pressure tank, adverse effects are generated on the low-temperature state of the pressure tank, meanwhile, the pressure tank is the pressure container, random shaking is forbidden, vibration transferred to the inside of the container from the outside enables the pressure tank to shake, the state of the pressure tank is easily unstable, and certain potential safety hazards exist.

Accordingly, a stationary cryogenic pressure vessel is provided by those skilled in the art to address the problems set forth in the background above.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a fixed cryogenic pressure container which is convenient for arranging an internal pressure tank through a plurality of fixing mechanisms, reduces heat transfer between an external tank body and the internal pressure tank, can reduce the shaking degree of the internal pressure tank in the external tank body, greatly reduces the transfer of heat through the fixing mechanisms, and is beneficial to keeping the low-temperature state of the pressure tank stable.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the fixed deep-cold pressure container comprises an outer tank body, wherein a plurality of fixing mechanisms are fixedly arranged on the inner wall of the peripheral side of the outer tank body at equal intervals near the upper side and the lower side, and a pressure tank is fixedly arranged in the outer tank body through the plurality of fixing mechanisms;

the fixing mechanism comprises a limiting seat, a fixing seat and a fixing shell, wherein the fixing seat and the fixing shell are respectively and fixedly arranged on the surfaces of the pressure tank and the external tank, sliding clamping grooves are formed in two sides of the limiting seat, limiting side plates are fixedly arranged in the positions close to two sides of the inside of the fixing shell, the limiting side plates are respectively embedded into the sliding clamping grooves, a fixed inner plate is fixedly arranged in the middle position of the end face of the limiting seat, which is close to one side of the fixing seat, a heat insulation cushion layer is fixedly sleeved on the outer part of the fixed inner plate, wear-resistant cushion layers are respectively embedded into the upper end face and the lower end face of the heat insulation cushion layer, a U-shaped fixing piece is fixedly arranged in the fixing seat, a wear-resistant top plate is movably embedded in the position, which is close to the wear-resistant cushion layer, locking bolts are respectively arranged in the center positions of the upper end face and the lower end face of the U-shaped fixing piece in a threaded manner, and a plurality of locking bolts respectively penetrate through the U-shaped fixing piece to the surface of the wear-resistant top plate;

a connecting buckle is fixedly arranged at the position, close to the upper end of one side of the fixed shell, of the fixed seat, and a connecting steel cable is fixedly arranged between the connecting buckle and the upper side of the fixed shell;

through above-mentioned technical scheme, a plurality of fixed establishment are with the overhead tank stable setting in outside jar internal portion, the connection steel cable of being connected between fixed establishment's fixed housing and the connector link carries out hoist and mount to the overhead tank, reduce the contact surface, connect steel cable member length long, thereby lengthen the heat bridge, make overhead tank temperature be difficult for unstability, simultaneously with fixing base fixed connection's U type mounting, inside embedding has fixed establishment's thermal-insulated bed course, wear-resisting roof centre gripping embedding through locking bolt top thermal-insulated bed course upper and lower both sides position sets up in the wear-resisting bed course of thermal-insulated bed course up both ends face about, energy that the overhead tank rocked is offset through frictional force, alleviate the overhead tank and rock at the inside of outside jar, the thermal-insulated bed course that sets up simultaneously is favorable to heat transfer's isolation, easily keep overhead tank low temperature state.

Further, a gas-liquid safety liquid inlet port and a cooling liquid inlet port are fixedly arranged on the lower end face of the outer tank body, a gas-liquid safety liquid inlet pipe is fixedly arranged between the gas-liquid safety liquid inlet port and the pressure tank, a cooling liquid inlet pipe is fixedly arranged at the output end of the cooling liquid inlet port, a cooling pipe is fixedly arranged at the output end of the cooling liquid inlet pipe, and the cooling pipe is wound outside the pressure tank;

through above-mentioned technical scheme, through the inside storage material that carries of gas-liquid insurance feed liquor pipe to the overhead tank, through the coolant liquid feed liquor port is to twining in the outside coolant liquid feed liquor pipe input coolant liquid of overhead tank, maintains the low temperature state of overhead tank.

Further, an explosion-proof safety is embedded in the middle position of one side of the outer tank body;

through the technical scheme, the safety function is achieved before the pressure relief accident occurs, and the accident hazard is reduced.

Further, a plurality of triangular support legs are fixedly arranged at the edge of the lower end surface of the outer tank body at equal intervals;

through the technical scheme, the external tank body is stably placed at the working position through the triangular support legs.

Further, a sealing outer cover is fixedly arranged at the center of the upper end face of the outer tank body;

through above-mentioned technical scheme, promote the leakproofness of outside jar body, avoid the pressure release.

Further, an I-shaped supporting plate is fixedly arranged on one side of the fixed shell, and the fixed shell is fixedly arranged on the inner wall of the outer tank body;

through above-mentioned technical scheme, through the I-shaped layer board will fix the shell and set up in the inside of outside jar body.

Further, the connecting steel cable is anchored and arranged between the connecting buckle and the fixed shell through bolts;

through the technical scheme, the connecting steel cable is convenient to fixedly connect.

Further, the heat insulation cushion layer is made of nano microporous heat insulation felt;

through the technical scheme, the heat insulation effect of the heat insulation cushion layer is improved, and the low-temperature state of the pressure tank is maintained.

The utility model has the following beneficial effects:

1. according to the fixed type deep-cold pressure container, the pressure tank is stably arranged in the outer tank body through the plurality of fixing mechanisms, the pressure tank is hoisted through the connecting steel cable connected between the fixing shell of the fixing mechanism and the connecting buckle, the contact surface is reduced, the length of the connecting steel cable member is long, and therefore the heat bridge is lengthened, the heat of the outer tank body is not easy to transfer to the pressure tank through the connecting steel cable, the pressure tank is not easy to be unstable at low temperature, meanwhile, the U-shaped fixing piece fixedly connected with the fixing seat is embedded into the heat insulation cushion layer of the fixing mechanism, the wear-resistant top plates at the upper side and the lower side of the heat insulation cushion layer are clamped and embedded into the wear-resistant cushion layers arranged on the upper end face and the lower end face of the heat insulation cushion layer through the locking bolts, shaking energy of the pressure tank is counteracted through friction force, shaking of the pressure tank in the outer tank body is reduced, and meanwhile the heat insulation cushion layer is favorable for heat transfer isolation, and the low-temperature state of the pressure tank is easy to keep.

2. The fixed type deep-cold pressure container provided by the utility model has a simple structure, is convenient for arranging the internal pressure tank through a plurality of fixing mechanisms, reduces heat transfer between the external tank body and the internal pressure tank, reduces the shaking degree of the internal pressure tank in the external tank body, and is beneficial to keeping the pressure tank stable.

Drawings

FIG. 1 is an overall schematic axial side view of the present utility model;

FIG. 2 is a schematic front cross-sectional view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the securing mechanism of the present utility model;

fig. 4 is an enlarged schematic view of the structure a in fig. 3 according to the present utility model.

Legend description:

1. an outer can; 2. explosion-proof insurance; 3. triangular support legs; 4. sealing the outer cover; 5. a cooling tube; 6. a gas-liquid safety liquid inlet pipe; 7. a gas-liquid safety liquid inlet port; 8. a cooling liquid inlet port; 9. a cooling liquid inlet pipe; 10. a fixing mechanism; 11. a pressure tank; 12. an I-shaped supporting plate; 13. defining a side panel; 14. a defining seat; 15. a sliding clamping groove; 16. a fixing seat; 17. a connecting buckle; 18. connecting a steel cable; 19. a fixed housing; 20. a wear-resistant pad layer; 21. a thermal insulation blanket; 22. fixing an inner plate; 23. a wear resistant top plate; 24. a locking bolt; 25. u-shaped fixing piece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-4, one embodiment provided by the present utility model is: the fixed deep-cold pressure container comprises an outer tank body 1, wherein a plurality of fixing mechanisms 10 are fixedly arranged on the inner wall of the peripheral side of the outer tank body 1 at equal intervals near the upper side and the lower side, a pressure tank 11 is fixedly arranged in the outer tank body 1 through the plurality of fixing mechanisms 10, and the pressure tank 11 is stably arranged in the outer tank body 1 through the plurality of fixing mechanisms 10;

the fixing mechanism 10 comprises a limiting seat 14, a fixed seat 16 and a fixed shell 19, wherein the fixed seat 16 and the fixed shell 19 are respectively and fixedly arranged on the surfaces of the pressure tank 11 and the external tank body 1, sliding clamping grooves 15 are respectively formed on two sides of the limiting seat 14, limiting side plates 13 are fixedly arranged at positions close to two sides inside the fixed shell 19, the limiting side plates 13 are respectively embedded and arranged inside the sliding clamping grooves 15, the pressure tank 11 generates shaking impact force, the pull rope is connected with a steel cable 18, the position of the pressure tank 11 slightly moves up and down, the limiting side plates 13 slide inside the sliding clamping grooves 15, the safe bearing capacity of the fixing mechanism 10 is improved, the buffering effect is achieved, the fixed inner plate 22 of the fixing mechanism 10 is prevented from being broken, the fixed inner plate 22 is fixedly arranged in the middle of the end face of one side of the limiting seat 14, which is close to the fixed seat 16, the heat insulation cushion layer 21 is fixedly sleeved outside the fixed inner plate 22, the wear-resistant cushion layer 20 is embedded in the upper end face and the lower end face of the heat insulation cushion layer 21, the U-shaped fixing piece 25 is fixedly arranged in the position of the fixed seat 16, which is close to the limiting seat 14, the wear-resistant top plate 23 is movably embedded in the position, which is close to the wear-resistant cushion layer 20, of the U-shaped fixing piece 25, the locking bolts 24 are respectively embedded in the center of the upper end face and the lower end face of the U-shaped fixing piece 25, a plurality of locking bolts 24 respectively penetrate through the U-shaped fixing piece 25 to the surface of the wear-resistant top plate 23, and the shaking energy in the horizontal direction of the pressure tank 11 is counteracted mainly through friction force between the wear-resistant top plate 23 and the wear-resistant cushion layer 20, so that the shaking amplitude is reduced;

the connecting buckle 17 is fixedly arranged at the position, close to the upper end, of one side of the fixed housing 19 of the fixed seat 16, and a connecting steel cable 18 is fixedly arranged between the connecting buckle 17 and the upper side of the fixed housing 19 and used for bearing the vertical load of the pressure tank 11 under the action of gravity, and meanwhile, the length of a heat bridge is lengthened due to the longer length, so that the heat transfer effect is greatly weakened;

the pressure tank 11 is stably arranged in the external tank body 1 through the plurality of fixing mechanisms 10, the pressure tank 11 is hoisted through the connecting steel cable 18 connected between the fixing shell 19 of the fixing mechanism 10 and the connecting buckle 17, the contact surface is reduced, the length of the connecting steel cable 18 is long, thereby lengthening the heat bridge, the temperature of the pressure tank 11 is not easy to be unstable, meanwhile, the U-shaped fixing piece 25 fixedly connected with the fixing seat 16 is embedded into the heat insulation cushion layer 21 of the fixing mechanism 10, the wear-resistant top plates 23 at the upper side and the lower side of the heat insulation cushion layer 21 are propped up by the locking bolts 24 to clamp the wear-resistant cushion layers 20 embedded into the upper end surface and the lower end surface of the heat insulation cushion layer 21, the shaking energy of the pressure tank 11 is counteracted by friction force, the shaking of the pressure tank 11 in the external tank body 1 is lightened, and meanwhile, the heat insulation cushion layer 21 is favorable for heat transfer isolation, and the low-temperature state of the pressure tank 11 is easy to be maintained.

The end face is fixed to be provided with gas-liquid insurance feed liquor port 7 and coolant liquid feed liquor port 8 under the external tank body 1, fixedly be provided with gas-liquid insurance feed liquor pipe 6 between gas-liquid insurance feed liquor port 7 and the overhead tank 11, the fixed coolant liquid feed liquor pipe 9 that is provided with of coolant liquid feed liquor port 8 output, the fixed cooling tube 5 that is provided with of coolant liquid feed liquor pipe 9 output, the winding of cooling tube 5 sets up in overhead tank 11 outside, carry the storage material to overhead tank 11 inside through gas-liquid insurance feed liquor pipe 6, input coolant liquid to the coolant liquid feed liquor pipe 9 winding in overhead tank 11 outside through coolant liquid feed liquor port 8, maintain overhead tank 11's low temperature state.

The embedding of outside jar body 1 one side intermediate position is provided with explosion-proof insurance 2, play the insurance effect before the pressure release accident takes place, reduce accident hazard, the equidistant fixed a plurality of triangle landing legs 3 that are provided with in terminal surface border position under the outside jar body 1, place in operating position to outside jar body 1 is stable through a plurality of triangle landing legs 3, outside jar body 1 up end central point puts fixed sealed dustcoat 4 that is provided with, promote the leakproofness of outside jar body 1, avoid the pressure release, fixed shell 19 one side is fixed and is provided with I-shaped layer board 12, fixed shell 19 is fixed to be set up in outside jar body 1 inner wall, will fix shell 19 inside the outside jar body 1 through I-shaped layer board 12, connect the steel cable 18 and pass through bolt anchoring setting between connector link 17 and fixed shell 19, be convenient for carry out fixed connection to connect steel cable 18.

Example 2

Referring to fig. 4, one embodiment provided by the present utility model: the heat insulation cushion layer 21 is made of nano microporous heat insulation felt, nano silicon dioxide and infrared blocking materials are adopted, heat insulation performance is better than that of traditional ceramic fiber heat insulation materials, heat insulation effect of the heat insulation cushion layer 21 is improved, low-temperature state of the pressure tank 11 is maintained, and meanwhile, the heat insulation cushion layer has strong tensile strength and toughness and long service life.

Working principle: during the use, a plurality of fixed establishment 10 are with pressure jar 11 stable the setting in outside jar body 1 inside, the connection steel cable 18 of being connected between fixed shell 19 and the connector link 17 through fixed establishment 10 carries out hoist and mount to pressure jar 11, reduce the contact surface, connect steel cable 18 component length, thereby lengthen the thermal bridge, make pressure jar 11 temperature be difficult for unstability, simultaneously with fixing base 16 fixed connection's U type mounting 25, the inside heat insulating mattress layer 21 of embedding fixed establishment 10, wear-resisting roof 23 centre gripping embedding that moves heat insulating mattress layer 21 upper and lower both sides position through lock bolt 24 set up in heat insulating mattress layer 21 wear-resisting mattress layer 20 of both ends face about, offset the energy that pressure jar 11 rocked through frictional force, alleviate pressure jar 11 and rock in outside jar body 1 inside, the heat insulating mattress layer 21 of setting is favorable to heat transfer's isolation simultaneously, easily keep pressure jar 11 low temperature state.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a fixed deep cold pressure container, includes outside jar body (1), its characterized in that: a plurality of fixing mechanisms (10) are fixedly arranged on the inner wall of the peripheral side of the outer tank body (1) at equal intervals and close to the upper side and the lower side, and a pressure tank (11) is fixedly arranged inside the outer tank body (1) through the plurality of fixing mechanisms (10);

the fixing mechanism (10) comprises a limiting seat (14), a fixing seat (16) and a fixing shell (19), wherein the fixing seat (16) and the fixing shell (19) are respectively and fixedly arranged on the surfaces of the pressure tank (11) and the external tank body (1), sliding clamping grooves (15) are respectively formed in two sides of the limiting seat (14), limiting side plates (13) are fixedly arranged in the positions, close to the two sides, of the fixing shell (19), a plurality of limiting side plates (13) are respectively embedded in the sliding clamping grooves (15), a fixing inner plate (22) is fixedly arranged in the middle of the end face, close to one side of the fixing seat (16), of the limiting seat (14), a heat insulation cushion layer (21) is fixedly sleeved outside the fixing inner plate, wear-resisting cushion layers (20) are respectively embedded in the upper end face and the lower end face of the heat insulation cushion layer (21), U-shaped fixing pieces (25) are fixedly arranged in positions, close to the limiting seat (14), wear-resisting side plates (23) are movably embedded in the positions, close to the two ends of the U-shaped fixing pieces (25), and the upper end face and the lower end faces (25) are respectively embedded in the locking bolts (24) and are respectively embedded in the upper and lower end faces (24) of the locking bolts (23);

the fixing seat (16) is fixedly provided with a connecting buckle (17) near the upper end of one side of the fixing shell (19), and a connecting steel cable (18) is fixedly arranged between the connecting buckle (17) and the upper side of the fixing shell (19).

2. A stationary cryogenic pressure vessel as claimed in claim 1, wherein: the utility model discloses a gas-liquid safety feed liquor port, including outer jar body (1), outer jar body (1) terminal surface is fixed to be provided with gas-liquid safety feed liquor port (7) and coolant liquid feed liquor port (8), fixedly be provided with gas-liquid safety feed liquor pipe (6) between gas-liquid safety feed liquor port (7) and pressure tank (11), fixedly be provided with coolant liquid feed liquor pipe (9) in coolant liquid feed liquor port (8) output, coolant liquid feed liquor pipe (9) output is fixedly provided with cooling tube (5), cooling tube (5) winding sets up in pressure tank (11) outside.

3. A stationary cryogenic pressure vessel as claimed in claim 1, wherein: an explosion-proof safety (2) is embedded in the middle position of one side of the outer tank body (1).

4. A stationary cryogenic pressure vessel as claimed in claim 1, wherein: a plurality of triangular support legs (3) are fixedly arranged at the edge of the lower end face of the outer tank body (1) at equal intervals.

5. A stationary cryogenic pressure vessel as claimed in claim 1, wherein: the central position of the upper end face of the outer tank body (1) is fixedly provided with a sealing outer cover (4).

6. A stationary cryogenic pressure vessel as claimed in claim 1, wherein: an I-shaped supporting plate (12) is fixedly arranged on one side of the fixed shell (19), and the fixed shell (19) is fixedly arranged on the inner wall of the external tank body (1).

7. A stationary cryogenic pressure vessel as claimed in claim 1, wherein: the connecting steel cable (18) is anchored and arranged between the connecting buckle (17) and the fixed shell (19) through bolts.

8. A stationary cryogenic pressure vessel as claimed in claim 1, wherein: the heat insulation cushion layer (21) is made of nano microporous heat insulation felt.