CN211450336U - Large-scale cryogenic liquids storage tank and fluid-discharge tube structure thereof - Google Patents
Large-scale cryogenic liquids storage tank and fluid-discharge tube structure thereof Download PDFInfo
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- CN211450336U CN211450336U CN201922082244.XU CN201922082244U CN211450336U CN 211450336 U CN211450336 U CN 211450336U CN 201922082244 U CN201922082244 U CN 201922082244U CN 211450336 U CN211450336 U CN 211450336U
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Abstract
The embodiment of the utility model discloses fluid-discharge tube structure, the barrel diapire of the import intercommunication inner tank of fluid-discharge tube, the barrel lateral wall of the export intercommunication outer jar of fluid-discharge tube, fluid-discharge tube have the fluid-discharge tube main part section of U-shaped, and a part of fluid-discharge tube main part section holds and has seted up the heat insulation layer groove in the interbedded bottom heat insulation layer of storage tank, and the top in heat insulation layer groove is provided with the bearing plate. The utility model discloses the fluid-discharge tube structure of large-scale cryogenic liquids storage tank configuration can arrange the interior cryogenic liquids of inner tank to the greatest extent, can not cause heat insulation layer and fluid-discharge tube to damage, has promoted storage tank wholeness ability.
Description
Technical Field
The utility model relates to a cryogenic liquids stores technical field, is a large-scale cryogenic liquids storage tank and flowing back tubular construction thereof more specifically.
Background
Currently, the industry needs to use a large amount of gases such as oxygen, nitrogen, and argon. In order to ensure stable supply, enterprises usually configure a dedicated large cryogenic liquid storage tank, which generally comprises an inner tank, an outer tank, a heat insulation structure, a pipeline system, a safety device, and the like, and is an economical cryogenic liquid storage method.
The pipe-line system of current large-scale cryogenic liquids storage tank all disposes the fluid-discharge tube, and its structure is various, and it is main as follows the form: the term "inside out" means that the liquid is led out from the side wall of the inner tank and the side wall of the outer tank, and the structure is the simplest, but the liquid cannot be drained; the 'inner bottom outlet and outer bottom outlet' means that a liquid discharge pipe is connected with a pipeline from the bottom wall of the inner tank and is led out from the outer bottom wall, the structure is complex, and the heat insulation layer at the bottom of the storage tank is damaged; "the inner bottom goes out the outside and goes out" means that the fluid-discharge tube connects the pipeline from inner tank diapire, draws forth from outer jar lateral wall, for "the inner bottom goes out the outer bottom and goes out" simple structure, nevertheless can destroy storage tank bottom heat insulation layer, and some producers do not set up the structure of preventing expend with heat and contract with cold and cause the fluid-discharge tube to destroy in addition.
Therefore, the structure performance of the liquid discharge pipe of the existing storage tank is not ideal enough, or the liquid in the inner tank cannot be discharged completely, or the structure is complex, or the integrity of the heat insulating layer at the bottom of the storage tank is damaged, or a structure for preventing expansion caused by heat and contraction caused by cold is not arranged, so that certain defects exist in the aspects of safety, heat insulating performance, service performance, economic performance and the like, and improvement is needed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve the above-mentioned not enough of prior art, provide a large-scale cryogenic liquids storage tank and drain tube structure thereof.
For solving the technical problem, the utility model discloses the scheme adopts following technical scheme:
the utility model provides a fluid-discharge tube structure disposes in large-scale cryogenic liquids storage tank, the storage tank body of large-scale cryogenic liquids storage tank includes inner tank and outer jar, the barrel of inner tank with form the storage tank intermediate layer between the barrel of outer jar, the import intercommunication of fluid-discharge tube the barrel diapire of inner tank, the export intercommunication of fluid-discharge tube the barrel lateral wall of outer jar, the fluid-discharge tube has the fluid-discharge tube main part section of U-shaped, some of fluid-discharge tube main part section hold in the heat insulation layer groove has been seted up to the interbedded bottom of storage tank, the top in heat insulation layer groove is provided with the bearing plate.
The gap between the main body section of the liquid discharge pipe and the heat insulation layer groove is filled with heat insulation materials; and/or the main body section of the drainage pipe is provided with an air seal structure.
And the inlet section of the liquid discharge pipe is provided with a vortex prevention assembly.
The vortex-preventing assembly comprises a top plate and a baffle plate, wherein the baffle plate is fixedly arranged on the top plate, and the installation direction of the baffle plate is parallel to the central axis of the top plate.
The outlet section of the liquid discharge pipe is provided with a corrugated pipe; and/or the outlet section of the liquid discharge pipe is provided with a vacuum cold-insulation pipe.
The outlet section of the drain pipe is provided with a support.
The support piece comprises a base plate and a support plate, the base plate is fixedly connected with the support plate, and the mounting direction of the base plate is perpendicular to that of the support plate.
And a load distribution plate or a foam glass brick is paved on the upper part of the pressure bearing plate.
On this basis, the utility model also provides a large-scale cryogenic liquids storage tank, its dispose above the flowing back tubular construction.
Foam glass bricks are paved at the bottom of the storage tank interlayer to form a bottom heat insulation layer, and pearlife is filled in the side part of the storage tank interlayer to form a side heat insulation layer.
Compared with the prior art, the utility model has the advantages that the drainage pipe main body section is laid by slotting the heat insulating layer at the bottom of the storage tank interlayer, and the bearing plate is configured to bear pressure, so that the heat insulating layer structure can be prevented from being damaged; because the liquid discharging mode of inner bottom and outer side is adopted, the structure is simpler, and the liquid in the storage tank can be conveniently emptied. Particularly, the utility model discloses the export section of fluid-discharge tube is provided with the bellows, can prevent that the fluid-discharge tube from damaging because of expend with heat and contract with cold.
Drawings
Fig. 1 is a schematic structural view of a large cryogenic liquid storage tank and a drain pipe structure thereof according to the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a view taken along line C of FIG. 1;
FIG. 5 is a cross-sectional view of a central plane of the vortex breaker assembly of FIG. 1;
fig. 6 is a cross-sectional view taken along line D-D of fig. 5.
In fig. 1-6, the relevant reference numbers are as follows:
1. the vortex-preventing assembly comprises a vortex-preventing assembly, a top plate 1.1, a first baffle plate 1.2, a second baffle plate 1.3 and a first baffle plate; 2. a liquid discharge pipe; 3. a pressure bearing plate; 4. 4.1 of a supporting piece, 4.2 of a base plate and a supporting plate; 5. a bellows; 6. a vacuum insulation pipe; 7. the bottom wall of the inner tank cylinder body; 8. the bottom wall of the outer tank barrel body; 9. the side wall of the inner tank cylinder body; 10. the side wall of the outer tank cylinder body; 11. a load distribution plate; 12. pearly-lustre sand; 13. a foam glass brick.
Detailed Description
The embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Each example is provided by way of explanation of embodiments of the invention and not limitation of embodiments of the invention.
Referring to fig. 1-6, the structure of the large cryogenic liquid storage tank and the drain structure thereof is shown. This storage tank body of large-scale cryogenic liquids storage tank has inner tank and outer jar, forms the storage tank intermediate layer between the barrel between the two, specifically forms storage tank intermediate layer bottom between inner tank barrel diapire 7 and the outer jar barrel diapire 8, forms storage tank intermediate layer lateral part between inner tank barrel lateral wall 9 and the outer jar barrel lateral wall 10. And a heat insulating material is arranged between the interlayers, specifically, a foam glass brick 13 is paved at the bottom of the storage tank interlayer to form a bottom heat insulating layer, and the side part of the storage tank interlayer is filled with pearled sand 12 to form a side heat insulating layer. In addition, the storage tank body is further provided with a pipeline system and a safety device, and specific reference can be made to known technical documents, which are not described in detail. The storage tank has good heat preservation effect and high safety.
This embodiment has designed a new "interior bottom is gone out outside" drain tube structure to large-scale cryogenic liquids storage tank, and it comprises spare parts such as vortex-proof subassembly 1, drain tube 2, pressure-bearing plate 3, support piece 4, vacuum cold insulation pipe 6 and bellows 5 of taking the atmoseal, and wherein drain tube 2 one end is connected inner tank barrel diapire 7, and the other end is connected outer tank barrel lateral wall 10, can empty jar interior liquid effectively.
Particularly, the drainage structure is provided with a groove on a foam glass brick 13, a drainage pipe 2 is placed in the groove, the drainage pipe 2 and the gap in the groove are filled with heat-insulating materials such as pearl sand, a bearing plate 3 is arranged at the top end of the groove, and the foam glass brick or a load distribution plate 11 is laid on the bearing plate, so that the foam glass brick 13 is cut into a required shape to install and support the drainage pipe 2, and the damage to the heat-insulating layer structure and the drainage pipe 2 can be effectively prevented. This is described in further detail below in conjunction with fig. 1 and 6.
As shown in fig. 1, the large cryogenic liquid storage tank is provided with a drain pipe structure which adopts an inner bottom outlet and outer side outlet drain mode, namely, an inlet of the drain pipe 2 is communicated with the bottom wall 7 of the inner tank cylinder, and an outlet of the drain pipe is communicated with the side wall 10 of the outer tank cylinder, so that the storage tank liquid can be emptied conveniently. In order to ensure the integrity of the heat insulating layer, the liquid discharge pipe 2 is provided with a U-shaped main body section of the liquid discharge pipe, and an air seal structure is configured, so that the rear part of the liquid discharge pipe can be kept at normal temperature when the storage tank does not discharge liquid, the loss of cold energy is reduced, and the loss of evaporated gas is avoided; a part of the drainage pipe body is accommodated in a heat insulation layer groove formed in the bottom heat insulation layer of the storage tank interlayer, and a gap between the drainage pipe body and the storage tank interlayer can be preferably filled with heat insulation materials such as pearlife or other conventional heat insulation materials; the top of the heat insulating layer groove is provided with a bearing plate 3 to protect the drain pipe 2 from being crushed.
As shown in fig. 1, 2, 5 and 6, the inlet section of the drain pipe in the present embodiment is provided with a vortex breaker assembly 1. The vortex-preventing assembly 1 is composed of a top plate 1.1 and at least one baffle plate, wherein a barrel plate 1.1 is a circular plate, the baffle plates are two, namely a first baffle plate 1.2 and a second baffle plate 1.3, the first baffle plate 1.2 and the second baffle plate 1.3 are fixedly installed in the top plate 1.1 in a cross-shaped welding mode, the installation direction of the two baffle plates is parallel to the central axis of the top plate 1.1, and therefore a vortex-preventing frame is formed, and the lower end of the vortex-preventing frame can be inserted into the inlet end of a liquid discharge pipe 2. Thus, the vortex-preventing assembly 1 can effectively prevent the liquid in the pipe from generating vortex after being assembled at the inlet section of the liquid discharge pipe 2.
As shown in fig. 1 and 3, in order to further protect the drain pipe 2 from being crushed, a load distribution plate 11, which may be a foam glass brick, is further laid on the upper portion of the pressure receiving plate to balance the load. Therefore, the weight loads of the upper tank body and the medium can be uniformly distributed, and the effect of protecting the liquid discharge pipe 2 is effectively achieved.
As shown in fig. 1 and 4, the outlet section of the drain pipe is optimized in this embodiment. On the one hand, the vacuum cooling tube 6 is disposed at the outlet section of the drain pipe 2, thereby preventing frost formation during use. On the other hand, the corrugated pipe 5 is arranged at the outlet section of the liquid discharge pipe 2, and the corrugated pipe 5 is arranged on the side wall 10 of the outer tank cylinder body in a penetrating mode and is not fixed, so that the liquid discharge pipe 2 can be prevented from being damaged due to expansion caused by heat and contraction caused by cold. In addition, since the outlet section of the discharge pipe 2 is not fixed to the outer can shell side wall 10, a support 4 is provided at the outlet section of the discharge pipe 2 to improve the stress condition of the outlet section of the discharge pipe 2. The support member 4 is composed of a backing plate 4.1 and a support plate 4.2, wherein the backing plate 4.1 and the support plate 4.2 are both arc-shaped, the backing plate 4.1 is welded and fixed on the inner wall of the side wall 10 of the outer tank cylinder body, the backing plate 4.1 is fixedly connected with the support plate 4.2 in a welding mode, and the mounting direction is vertical, so that the outlet section of the liquid discharge pipe 2 can be stably supported on the support plate 4.2 and can slide in a certain range.
Above this embodiment has optimized large-scale cryogenic liquids storage tank and fluid-discharge tube structure thereof, can obtain more technological effect, for example: (1) in the bottom heat insulation layer, the bearing plate 3 is arranged above the liquid discharge pipe 2, so that the liquid discharge pipe 2 can be protected, the weakening and damage effects on the foam glass brick are reduced to the maximum extent, and the weight loads of the upper tank body and the medium can be uniformly distributed and balanced; (2) the liquid discharge pipe 2 is provided with an air seal structure, so that the frosting at the outlet of the liquid discharge pipe 2 can be avoided, and further, the evaporation loss of the low-temperature liquid is reduced; (3) an inlet of the liquid discharge pipe 2 is provided with a vortex prevention assembly to prevent liquid from forming vortex; (4) the outlet of the liquid discharge pipe 2 is provided with a corrugated pipe 5 which can compensate the expansion caused by heat and contraction caused by cold of the liquid discharge pipe 2, and the stress condition can be improved by specially arranging a support piece 4; (5) the outlet section of the liquid discharge pipe 2 adopts a vacuum cold insulation pipe 6, thereby avoiding frosting in use and leading the appearance to be beautiful.
The low-temperature liquid in the inner tank of the large-scale low-temperature liquid storage tank can be drained completely, and the large-scale low-temperature liquid storage tank is simple in overall structure, high in safety, easy to manufacture and low in cost.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention for those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the embodiments of the present invention should be included in the protection scope of the embodiments of the present invention.
Claims (10)
1. The utility model provides a fluid-discharge tube structure, dispose in large-scale cryogenic liquids storage tank, the storage tank body of large-scale cryogenic liquids storage tank includes inner tank and outer jar, the barrel of inner tank with form the storage tank intermediate layer between the barrel of outer jar, its characterized in that, the import intercommunication of fluid-discharge tube the barrel diapire of inner tank, the export intercommunication of fluid-discharge tube the barrel lateral wall of outer jar, the fluid-discharge tube has the fluid-discharge tube main part section of U-shaped, some of fluid-discharge tube main part section hold in the interbedded bottom of storage tank has seted up the heat insulation layer groove, the top in heat insulation layer groove is provided with the bearing plate.
2. The drain pipe structure of claim 1, wherein a gap between the drain pipe body section and the insulation layer groove is filled with insulation material; and/or the main body section of the drainage pipe is provided with an air seal structure.
3. The drain tube structure of claim 1, wherein the inlet section of the drain tube is configured with a vortex breaker assembly.
4. The drain pipe structure of claim 3, wherein the vortex breaker assembly comprises a top plate and a baffle plate, wherein the baffle plate is fixedly mounted to the top plate, and the baffle plate is mounted in a direction parallel to a central axis of the top plate.
5. The drain tube structure of claim 1, wherein the outlet section of the drain tube is configured with a bellows; and/or the outlet section of the liquid discharge pipe is provided with a vacuum cold-insulation pipe.
6. The drain pipe structure of claim 5, wherein the outlet section of the drain pipe is configured with a support.
7. The drain pipe structure according to claim 6, wherein the supporting member comprises a base plate and a supporting plate, the base plate and the supporting plate are fixedly connected, and the mounting direction of the base plate is perpendicular to the mounting direction of the supporting plate.
8. The drain pipe structure according to any of claims 1 to 7, wherein a load distribution plate or a foam glass tile is laid on the upper portion of the pressure bearing plate.
9. A large-scale cryogenic liquids storage tank which characterized in that: provided with a drain structure according to any of claims 1-8.
10. A large cryogenic liquid storage tank according to claim 9 wherein the bottom of said tank sandwich is tiled with foam glass tiles to form a bottom insulation layer and the sides of said tank sandwich are filled with pearlife to form a side insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922082244.XU CN211450336U (en) | 2019-11-27 | 2019-11-27 | Large-scale cryogenic liquids storage tank and fluid-discharge tube structure thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922082244.XU CN211450336U (en) | 2019-11-27 | 2019-11-27 | Large-scale cryogenic liquids storage tank and fluid-discharge tube structure thereof |
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| CN211450336U true CN211450336U (en) | 2020-09-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268219A (en) * | 2020-10-23 | 2021-01-26 | 苏州杜尔气体化工装备有限公司 | Low evaporation rate's full appearance storage tank |
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2019
- 2019-11-27 CN CN201922082244.XU patent/CN211450336U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112268219A (en) * | 2020-10-23 | 2021-01-26 | 苏州杜尔气体化工装备有限公司 | Low evaporation rate's full appearance storage tank |
| CN112268219B (en) * | 2020-10-23 | 2022-02-01 | 苏州杜尔气体化工装备有限公司 | Low evaporation rate's full appearance storage tank |
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