CN213777268U

CN213777268U - Horizontal low temperature adiabatic storage tank of stable form

Info

Publication number: CN213777268U
Application number: CN202022665198.9U
Authority: CN
Inventors: 刘立军; 李静
Original assignee: Beijing Guangxia Daxin Petrochemical Equipment Co ltd
Current assignee: Beijing Guangxia Daxin Petrochemical Equipment Co ltd
Priority date: 2020-11-17
Filing date: 2020-11-17
Publication date: 2021-07-23
Anticipated expiration: 2030-11-17

Abstract

The utility model relates to a horizontal low temperature adiabatic storage tank of stable form, it includes a jar body, and jar body is from interior to outer by inner tank and outer jar composition, is equipped with the vacuum layer between inner tank and the outer jar, and the intercommunication has feed liquor pipe and drain pipe, its characterized in that on the inner tank: install a plurality of bearing structure that carry out the support to the inner tank between inner tank and the outer jar, bearing structure is including fixing the fixed plate on outer jar inside wall, and sliding connection has the backup pad on the fixed plate, backup pad and inner tank lateral wall butt, and the fixed plate still is equipped with and makes the backup pad have the elastic component towards inner tank removal trend. This application has the effect that improves inner tank stability.

Description

Horizontal low temperature adiabatic storage tank of stable form

Technical Field

The application relates to low temperature storage equipment technical field especially relates to a horizontal low temperature heat insulation storage tank of stable form.

Background

The low temperature storage tank is in the aspect of the low temperature liquid storage wide application for store liquid oxygen, liquid nitrogen, liquefied natural gas etc. the jar body of low temperature storage tank adopts bilayer structure, and the inner bag is used for holding low temperature liquid, and the shell protects the inner bag, sets up the heat preservation between inner bag and the shell and keeps warm to the inner bag, and the inner bag passes through bearing structure with the shell to be connected, but bearing structure all can the heat transfer, has increased inner bag and external heat exchange, has reduced the thermal insulation performance of the jar body.

In order to solve the problems, the chinese patent with the publication number of CN204099891U discloses an LNG low temperature storage tank, which comprises a tank body, a support base and a safety valve, wherein an inner cylinder and an outer cylinder are arranged in the tank body, a support member and a heat insulation layer formed by winding a plurality of layers of heat insulation materials are arranged between the inner cylinder and the outer cylinder, and high vacuum is pumped; the liquid outlet pipe of the communicating inner cylinder is arranged at the position, lower than the lowest liquid level, of the bottom of the tank body, the liquid outlet pipe is communicated with a liquid inlet of the pressurization gasifier, a gas outlet of the pressurization gasifier is communicated with the inner cylinder through the pressurization valve, and the supporting part adopts the bakelite supporting block to reduce heat transfer and dissipation.

In view of the above-mentioned related art, the inventor believes that the support member is unstable when the inner cylinder contracts or expands during use of the cryogenic tank, and is liable to slip off to cause a risk.

SUMMERY OF THE UTILITY MODEL

In order to improve the unstable problem of low temperature storage tank inner tank, this application provides a horizontal low temperature adiabatic storage tank of stable form.

The application provides a horizontal low temperature adiabatic storage tank of stable form adopts following technical scheme:

the utility model provides a horizontal low temperature adiabatic storage tank of stable form, includes a jar body, and jar body is from interior to outer by inner tank and outer jar composition, is equipped with the vacuum layer between inner tank and the outer jar, and the intercommunication has feed liquor pipe and drain pipe, its characterized in that on the inner tank: install a plurality of bearing structure that carry out the support to the inner tank between inner tank and the outer jar, bearing structure is including fixing the fixed plate on outer jar inside wall, and sliding connection has the backup pad on the fixed plate, backup pad and inner tank lateral wall butt, and the fixed plate still is equipped with and makes the backup pad have the elastic component towards inner tank removal trend.

Through adopting above-mentioned technical scheme, the vacuum layer between inner tank and the outer jar can keep warm to the inner tank, makes the low temperature liquid gas of preserving in the inner tank be in comparatively stable state, and the inner tank reduces and takes place the shrink after filling low temperature liquid gas, and the increase of distance between the outer jar, and elastic component can make the backup pad remove towards the inner tank, and the backup pad can continue to provide the holding power to the inner tank, makes the inner tank remain stable, improves the security of the jar body.

Optionally, a slide rail is fixed on the fixing plate, the supporting plate is connected to the slide rail in a sliding mode, and the moving direction of the slide rail is parallel to the axis direction of the inner tank.

Through adopting above-mentioned technical scheme, the inner tank can produce the displacement on inner tank axis direction when expend with heat and contract with cold, and the backup pad can remove along perpendicular to inner tank axis direction on the slide rail, is that backup pad and inner tank last butt, and the stability of inner tank is better.

Optionally, the elastic component includes a sliding groove formed along the direction of the sliding rail, a sliding block is fixed on one side of the supporting plate away from the inner tank, the sliding block is connected in the sliding groove in a sliding mode, a space is formed between the sliding block and the sliding groove, and an elastic piece is arranged between the sliding block and the sliding groove.

By adopting the technical scheme, when the inner tank is cooled and contracted, the outer side wall of the inner tank moves towards the direction departing from the supporting plate, the elastic piece provides elasticity for the sliding block, the sliding block moves towards the direction departing from the sliding groove, and the sliding block drives the supporting plate to move towards the inner tank together, so that the supporting plate continuously provides supporting force for the inner tank; when the inner tank expands, the inner tank pushes the supporting plate to move towards the sliding groove direction, the sliding block extrudes the elastic piece, and the elastic piece contracts and accumulates energy, so that the inner tank is kept stable.

Optionally, a buffer block is fixed to the top of the sliding rail, and the buffer block is made of rubber.

Through adopting above-mentioned technical scheme, the buffer block can slow down the backup pad to the impact of slide rail, reduces the probability that backup pad and slide rail warp, prolongs bearing structure's life.

Optionally, a butt joint groove is formed in one side, facing the inner tank, of the supporting plate, and the butt joint groove is an arc-shaped groove.

Through adopting above-mentioned technical scheme, the area of contact between the arcwall face of butt joint groove and the inner tank lateral wall is bigger, and the laminating degree is higher, makes the stability between backup pad and the inner tank better.

Optionally, the both sides that the backup pad is relative are rotated and are connected with the rotor plate, and the rotor plate is arc and rotor plate and inner tank lateral wall butt, and one side that the backup pad deviates from the inner tank is fixed with the shell fragment, and the free end of shell fragment and one side butt that the rotor plate deviates from the inner tank.

Through adopting above-mentioned technical scheme, when the inner tank takes place the inflation, promote the direction that the rotor plate orientation deviates from the inner tank and rotate, the shell fragment is crooked and save the energy under the thrust effect of rotor plate, simultaneously the rotor plate can maintain the better laminating degree with the inner tank after rotating, when the shrink takes place for the inner tank, the shell fragment kick-backs and makes the rotor plate rotate towards the inner tank, the rotor plate is saved and is laminated with the inner tank lateral wall, continue to provide the holding power to the inner tank, maintain the stability of inner tank.

Optionally, a heat preservation glass fiber reinforced plastic layer is fixed on one side of the support plate and one side of the rotating plate facing the inner tank.

Through adopting above-mentioned technical scheme, the heat preservation glass steel layer separates backup pad and rotor plate and inner tank, weakens the heat transfer effect between inner tank and backup pad and the rotor plate, reduces the heat dissipation volume of inner tank.

Optionally, the side wall of the outer tank is communicated with a vacuum tube, and the vacuum tube is connected with a vacuum unit.

Through adopting above-mentioned technical scheme, the vacuum unit is taken away the air between inner tank and the outer jar through the vacuum tube, improves the vacuum degree on vacuum layer between inner tank and the outer jar, reduces the heat of inner tank and scatters and disappears, improves the thermal insulation performance of the jar body.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the support plate can continuously generate support force on the inner tank through the elastic component, the inner tank is stable when being contracted and deformed, and the safety of the tank body is improved;

2. the fit degree of the supporting plate and the outer side wall of the inner tank is increased through the rotating plate and the abutting groove, and the stability of the inner tank is further improved;

3. the heat transfer between the supporting structure and the inner tank is reduced through the heat-insulating glass fiber reinforced plastic layer, and the heat-insulating performance of the tank body is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present application.

Fig. 2 is a schematic mechanical diagram of the support structure of the present application.

Description of reference numerals: 1. a tank body; 11. an outer tank; 12. an inner tank; 13. a liquid outlet pipe; 14. a liquid outlet valve; 15. a liquid inlet pipe; 16. a safety valve; 17. a vacuum tube; 18. a vacuum unit; 19. a support; 2. a support structure; 21. a fixing plate; 22. a support plate; 23. a slide rail; 24. a clamping block; 25. a blocking block; 26. an elastic component; 261. a chute; 262. a slider; 263. a sliding plate; 264. an elastic member; 265. a limiting block; 27. a rotating plate; 28. a spring plate; 29. a heat insulating glass fiber reinforced plastic layer; 3. a buffer block; 4. and abutting against the groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses horizontal low temperature adiabatic storage tank of stable form. Referring to fig. 1, the stable horizontal low-temperature heat-insulation storage tank comprises a tank body 1, wherein the tank body 1 is composed of an inner tank 12 and an outer tank 11, the inner tank 12 and the outer tank 11 are both cylindrical closed cylindrical structures, the inner tank 12 and the outer tank 11 are both horizontally arranged, the axes of the inner tank 12 and the outer tank 11 are coincident, and the outer tank 11 is fixed on the ground through a support 19. The top of the inner tank 12 is communicated with a liquid inlet pipe 15, the liquid inlet pipe 15 extends out of the outer tank 11 and is connected with a safety valve 16, the side wall of the bottom of the inner tank 12 is communicated with a liquid outlet pipe 13, and the liquid outlet pipe 13 is connected with a liquid outlet valve 14. The end wall of the outer tank 11 is communicated with a vacuum pipe 17 and a vacuum detection meter, the vacuum pipe 17 is connected with a vacuum unit 18, and according to data of the vacuum detection meter, the vacuum unit 18 is used for improving the vacuum degree between the inner tank 12 and the outer tank 11 in time, so that the heat insulation performance of the tank body 1 is improved. The inner tank 12 and the outer tank 11 are connected together through a plurality of support structures 2, the number of the support structures 2 in the embodiment is ten, and one support structure is fixed on each outer side wall of the center of two end parts of the outer tank 11. The remaining eight support structures 2 are divided into two groups, each group comprises four support structures 2, the outer tank 11 is respectively fixed with one group on the outer side wall close to the two end parts, the four support structures 2 of each group are positioned on the same horizontal plane, and the four support structures 2 of each group are uniformly distributed around the circumferential surface of the outer tank 11 at intervals. The inner vessel 12 is supported from a plurality of directions by the support structure 2, making the inner vessel 12 more stable.

Referring to fig. 2, bearing structure 2 includes fixed plate 21, and one side of fixed plate 21 is arc form and welding on outer jar 11 inside wall, and one side that fixed plate 21 deviates from outer jar is for level setting and an organic whole to be connected with slide rail 23, and slide rail 23 is rectangular blocky that the cross section is the T font, and slide rail 23 moves towards the direction and is unanimous with the axis direction of inner tank 12. Bearing structure 2 still includes backup pad 22, backup pad 22 perpendicular to fixed plate 21 sets up, the bottom symmetry an organic whole of backup pad 22 is connected with two joint pieces 24, joint piece 24 includes vertical portion and horizontal part, the top surface of vertical portion perpendicular to fixed plate 21, horizontal part integrated connection is in the one end that vertical portion deviates from backup pad 22, the horizontal part forms the L type with vertical portion, the horizontal part of two joint pieces 24 set up relatively and with slide rail 23's lateral wall butt, through joint piece 24 joint on slide rail 23, backup pad 22 can follow slide rail 23 and move towards the direction slip, backup pad 22 bottom surface is equipped with the interval with slide rail 23 top, backup pad 22 also can be followed perpendicular to slide rail 23 and moved towards the direction. The two ends of the slide rail 23 are provided with the blocking blocks 25, and the blocking blocks 25 can reduce the probability that the support plate 22 is separated from the slide rail 23.

Referring to fig. 2, in order that the supporting plate 22 can continuously support the inner vessel 12, the supporting structure 2 further includes an elastic assembly 26, the elastic assembly 26 includes a sliding groove 261, a sliding block 262, a sliding plate 263 and an elastic member 264, the cross section of the sliding groove 261 is rectangular, the sliding groove 261 runs perpendicular to the top surface of the fixed plate 21, the sliding block 262 is rectangular block-shaped and is welded at the bottom of the supporting plate 22, and the sliding block 262 is slidably fitted in the sliding groove 261. The sliding plate 263 is rectangular and is slidably connected in the sliding groove 261, the sliding plate 263 is disposed between the slider 262 and the bottom of the sliding groove 261, and the elastic member 264 is disposed between the sliding plate 263 and the bottom of the sliding groove 261. The number of the elastic members 264 is four, the elastic members 264 are springs, one ends of the springs are welded to the bottoms of the sliding grooves 261, and the other ends of the springs are welded to one side of the sliding plate 263, which is far away from the sliding block 262. A limit block 265 is welded on the side wall of the sliding groove 261 close to the notch, and the limit block 265 can prevent the sliding plate 263 from being separated from the sliding groove 261. One end of the supporting plate 22 deviating from the sliding rail 23 is provided with a butt joint groove 4, the butt joint groove 4 is of an arc-shaped structure, the contact area of the supporting plate 22 and the inner tank 12 can be increased by the butt joint groove 4, and the inner tank 12 is more stable. When inner tank 12 expands, inner tank 12 generates a pressing force on support plate 22, such that support plate 22 moves toward fixed plate 21, slider 262 and sliding plate 263 move toward fixed plate 21, elastic member 264 is compressed and accumulates energy, and when inner tank 12 contracts, elastic member 264 releases energy to provide elastic force to sliding plate 263, such that support plate 22 can continue to provide a supporting force for inner tank 12, such that inner tank 12 is relatively stable.

Referring to fig. 2, slide rail 23 top symmetry is fixed with two buffer blocks 3, and buffer block 3 is rectangular block-shaped, and buffer block 3 adopts rubber to make, and buffer block 3 can reduce the backup pad 22 to the impact of slide rail 23, prolongs bearing structure 2's life, improves jar body 1's security.

Referring to fig. 2, in order to better fit the support plate 22 to the inner tank 12, two opposite side walls of the support plate 22 are hinged with rotating plates 27, each rotating plate 27 is arc-shaped, the radius of a circle where the arc of each rotating plate 27 is located is consistent with the radius of the inner tank 12, and the rotating plates 27 are abutted to the outer side wall of the inner tank 12. The supporting plate 22 is welded with the elastic sheet 28 on the side wall departing from the inner tank 12, the elastic sheet 28 extends along the length direction of the supporting plate 22, and the free end of the elastic sheet 28 is abutted against one end of the rotating plate 27 departing from the inner tank 12. The elastic sheet 28 provides elasticity for the rotating plate 27, and the rotating plate 27 can be continuously abutted against the inner tank 12 when the inner tank 12 expands with heat and contracts with cold, so that the stability of the inner tank 12 is further improved. One side of backup pad 22 and rotor plate 27 towards inner tank 12 all is fixed with insulating glass steel layer 29, and insulating glass steel layer 29 on the rotor plate 27 sets up with rotor plate 27 one side laminating towards inner tank 12, and insulating glass steel layer 29 and butt groove 4 laminating on the backup pad 22 set up, and insulating glass steel layer 29 can reduce the heat-conduction between supporting component and the inner tank 12, improves the thermal insulation performance of inner tank 12.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a horizontal low temperature adiabatic storage tank of stable form, includes a jar body (1), jar body (1) from interior to exterior comprises inner tank (12) and outer jar (11), inner tank (12) with be equipped with the vacuum layer between outer jar (11), the intercommunication has feed liquor pipe (15) and drain pipe (13), its characterized in that on inner tank (12): inner tank (12) with install a plurality of right between outer jar (11) inner tank (12) carry out bearing structure (2) that support, bearing structure (2) are including fixing fixed plate (21) on outer jar (11) inside wall, sliding connection has backup pad (22) on fixed plate (21), backup pad (22) with inner tank (12) lateral wall butt, fixed plate (21) still are equipped with and make backup pad (22) have the orientation elastic component (26) of inner tank (12) removal trend.

2. The stabilized horizontal cryogenic insulation storage tank of claim 1, wherein: be fixed with slide rail (23) on fixed plate (21), backup pad (22) sliding connection be in on slide rail (23), the trend direction of slide rail (23) with inner tank (12) axis direction is parallel.

3. A stable horizontal cryogenic insulation storage tank according to claim 2, wherein: elastic component (26) include along spout (261) that slide rail (23) trend direction was seted up, one side that backup pad (22) deviates from inner tank (12) is fixed with slider (262), slider (262) sliding connection in spout (261), just slider (262) with be equipped with the interval between spout (261), slider (262) with be equipped with elastic component (264) between spout (261).

4. A stable horizontal cryogenic insulation storage tank according to claim 3, wherein: the top of the sliding rail (23) is fixed with a buffer block (3), and the buffer block (3) is made of rubber.

5. The stabilized horizontal cryogenic insulation storage tank of claim 1, wherein: the supporting plate (22) faces one side of the inner tank (12) and is provided with a butt joint groove (4), and the butt joint groove (4) is an arc-shaped groove.

6. A stable horizontal cryogenic insulation storage tank according to claim 5, wherein: the relative both sides of backup pad (22) are rotated and are connected with rotor plate (27), rotor plate (27) are the arc just rotor plate (27) with inner tank (12) lateral wall butt, backup pad (22) deviate from one side of inner tank (12) is fixed with shell fragment (28), the free end of shell fragment (28) with rotor plate (27) deviate from one side butt of inner tank (12).

7. The stabilized horizontal cryogenic insulation storage tank of claim 6, wherein: and heat-insulating glass fiber reinforced plastic layers (29) are fixed on one sides of the supporting plates (22) and the rotating plates (27) facing the inner tank (12).

8. The stabilized horizontal cryogenic insulation storage tank of claim 1, wherein: the side wall of the outer tank (11) is communicated with a vacuum pipe (17), and the vacuum pipe (17) is connected with a vacuum unit (18).