CN212565284U - Liquid oxygen heat insulation storage tank - Google Patents
Liquid oxygen heat insulation storage tank Download PDFInfo
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- CN212565284U CN212565284U CN202021280896.0U CN202021280896U CN212565284U CN 212565284 U CN212565284 U CN 212565284U CN 202021280896 U CN202021280896 U CN 202021280896U CN 212565284 U CN212565284 U CN 212565284U
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- storage tank
- liquid oxygen
- outlet pipe
- inner container
- shell
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Abstract
The utility model relates to a liquid oxygen heat insulation storage tank, which comprises a storage tank shell, a storage tank liner, a liquid inlet pipe, an air outlet pipe and a capillary pipe; the gas outlet pipe is fixed at the top end of the storage tank inner container, and the liquid inlet pipe is fixed on the storage tank inner container; the storage tank shell is sleeved on the outer side of the storage tank inner container, a vacuum cavity is formed between the storage tank shell and the storage tank inner container, the liquid inlet pipe and the gas outlet pipe both penetrate through the storage tank shell, and the outer walls of the liquid inlet pipe and the gas outlet pipe are both fixed with the storage tank shell; the capillary is arranged in the air outlet pipe, the outer diameter of the capillary is smaller than the inner diameter of the air outlet pipe, the bottom end of the capillary extends to the position, close to the bottom, of the inner cavity of the storage tank liner, and the bottom end of the air outlet pipe is located at the position, close to the top, of the inner cavity of the storage tank liner. The utility model has the characteristics of liquid oxygen high-usage, adiabatic effectual etc.
Description
Technical Field
The utility model relates to a low temperature stores up oxygen suppliment technical field, in particular to liquid oxygen heat insulation storage tank.
Background
Liquid oxygen is the form of oxygen when liquid state, has important application in medical, plateau or other gas industries, and liquid oxygen needs special storage device when transporting or storing, and wherein low temperature liquid oxygen ordinary pressure storage tank is the device that is used for holding liquid oxygen in the liquid oxygen transportation or storage process, and it has obtained extensive use in the field of liquid oxygen application.
Traditional low temperature liquid oxygen storage tank fills dress device like a liquid oxygen jar that patent number is CN209245695U discloses, including the liquid oxygen storage tank, liquid oxygen storage tank upper end is connected with air inlet unit, be provided with the drain pipe in the liquid oxygen storage tank, the drain pipe stretches into liquid oxygen storage tank bottom, liquid inlet pipe upper end is connected with the standpipe at liquid oxygen storage tank external connection, the standpipe bottom is connected with violently the pipe, violently the pipe below is provided with a plurality of liquid oxygen jars.
The traditional low-temperature liquid oxygen storage tank has the following defects: firstly, liquid oxygen is output through a liquid outlet pipe when the liquid oxygen storage tank is output, the liquid oxygen is gasified in the liquid outlet pipe and then used, part of the liquid oxygen is gasified in the liquid oxygen storage tank, the oxygen is gathered at the top of the liquid oxygen storage tank, and the oxygen cannot be output and used, so that the waste of the oxygen is caused; secondly, the liquid oxygen storage tank has poor heat insulation effect, which easily leads to the gasification of the liquid oxygen in the liquid oxygen storage tank.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a liquid oxygen heat insulation storage tank to among the prior art liquid oxygen storage tank can only export liquid oxygen and can not export the not good defect of the adiabatic effect of gasified oxygen and traditional liquid oxygen storage tank in the liquid oxygen storage tank.
In order to achieve the purpose, the utility model provides a technical scheme does:
the utility model relates to a liquid oxygen heat insulation storage tank, which comprises a storage tank shell, a storage tank liner, a liquid inlet pipe, an air outlet pipe and a capillary pipe; the gas outlet pipe is fixed at the top end of the storage tank inner container, and the liquid inlet pipe is fixed on the storage tank inner container; the storage tank shell is sleeved on the outer side of the storage tank inner container, a vacuum cavity is formed between the storage tank shell and the storage tank inner container, the liquid inlet pipe and the gas outlet pipe both penetrate through the storage tank shell, and the outer walls of the liquid inlet pipe and the gas outlet pipe are both fixed with the storage tank shell; the capillary is arranged in the air outlet pipe, the outer diameter of the capillary is smaller than the inner diameter of the air outlet pipe, the bottom end of the capillary extends to the position, close to the bottom, of the inner cavity of the storage tank liner, and the bottom end of the air outlet pipe is located at the position, close to the top, of the inner cavity of the storage tank liner.
The capillary is connected with a gasification pipeline outside the liquid oxygen heat insulation storage tank through a joint, and the gasification pipeline is fixed with the shell of the storage tank.
Preferably, the outer wall of the inner container of the storage tank is coated with a heat insulation material layer. The heat insulating material layer is used for enhancing the heat insulating performance of the inner container of the storage tank.
Preferably, a molecular sieve is arranged in the vacuum cavity and fixed on the outer wall of the inner container of the storage tank or the inner wall of the outer shell of the storage tank. The molecular sieve is used for purifying gas, and achieves a better vacuum effect.
Preferably, the molecular sieve is arranged between the inner container of the storage tank and the heat insulating material layer.
Preferably, the parts of the capillary tube and the air outlet tube, which are positioned between the outer shell and the inner container of the storage tank, are arranged in an S shape. The S-shaped air outlet pipe is beneficial to avoiding weld cracks caused by material strain at low temperature, thereby ensuring the vacuum degree.
Preferably, a vacuum-pumping port is welded at the top end of the storage tank shell, and one end of the vacuum-pumping port is communicated with the vacuum cavity. The vacuumizing port is used for vacuumizing a cavity between the storage tank shell and the storage tank inner container in the production process of the liquid oxygen heat insulation storage tank, and the vacuumizing port is blocked after vacuumizing.
Preferably, the liquid inlet pipe is welded at the bottom of the storage tank inner container.
Preferably, the top end of the capillary tube penetrates out of the air outlet pipe.
Preferably, a gap exists between the outer wall of the capillary tube and the inner wall of the air outlet tube, so that the contact between a liquid storage cavity in the inner container of the storage tank and the outside is reduced while the air overflows, and the heat conduction effect with the outside is reduced.
Preferably, the gas outlet pipe is welded with the top end of the storage tank inner container, and the outer walls of the liquid inlet pipe and the gas outlet pipe are welded with the storage tank shell
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
1. the utility model relates to a liquid oxygen heat insulation storage tank has welded the outlet duct on the top of storage tank inner bag, at the internally mounted capillary of outlet duct, the capillary is connected with outside gasification tube coupling through connecting, the capillary be used for exporting liquid oxygen, the outlet duct be used for the output already at the gaseous oxygen of liquid oxygen heat insulation storage tank, can make full use of liquid oxygen and oxygen in the liquid oxygen heat insulation storage tank, the utilization ratio is higher, avoids extravagant.
2. The utility model relates to a capillary and outlet duct are nested structure, and in the lumen of outlet duct was located to the capillary, the external diameter of capillary was less than the internal diameter of outlet duct, and the outer wall of capillary left the gap with the outlet duct inner wall, has reduced the inside stock solution chamber of storage tank inner bag and outside contact volume (area) to reduced with outside heat-conduction effect.
3. The utility model relates to a jar body of adiabatic storage tank of liquid oxygen comprises storage tank shell and storage tank inner bag, and has vacuum cavity between storage tank shell and the storage tank inner bag, utilizes the vacuum to realize adiabatic effect, and the adiabatic effect of the adiabatic storage tank of liquid oxygen is better, reduces the liquid oxygen gasification in the adiabatic storage tank of liquid oxygen.
4. The utility model discloses a cladding has the heat insulating material layer on the outer wall of storage tank inner bag, is equipped with the molecular sieve in the vacuum cavity, and the heat insulating material layer set up the thermal insulation performance that can further strengthen the storage tank inner bag, and the molecular sieve is used for adsorbing the molecule, guarantees vacuum cavity's vacuum.
Drawings
FIG. 1 is a front view of a liquid oxygen heat-insulating storage tank according to the present invention;
FIG. 2 is a sectional view of a liquid oxygen adiabatic storage tank according to the present invention;
fig. 3 is a plan view of the liquid oxygen heat-insulating storage tank according to the present invention.
Illustration of the drawings: 1-storage tank shell, 2-storage tank liner, 3-liquid inlet pipe, 4-gas outlet pipe, 5-capillary, 6-vacuum cavity, 7-insulating material layer, 8-molecular sieve and 9-vacuumizing port.
Detailed Description
For further understanding of the present invention, the present invention will be described in detail with reference to the following examples, which are provided for illustration of the present invention but are not intended to limit the scope of the present invention.
Referring to attached drawings 1-3 shown, the utility model relates to a liquid oxygen heat insulation storage tank, including storage tank shell 1, storage tank inner bag 2, feed liquor pipe 3, outlet duct 4 and capillary 5. The storage tank shell 1 comprises a shell body, a shell upper end cover and a shell lower end cover, wherein the shell upper end cover and the shell lower end cover are respectively welded at the upper end and the lower end of the shell body; the storage tank inner container 2 comprises an inner container body, an upper inner container end cover and a lower inner container end cover, wherein the upper inner container end cover and the lower inner container end cover are respectively welded at the upper end and the lower end of the inner container body.
Referring to the attached drawings 1-3, the gas outlet pipe 4 is welded at the top end of the storage tank liner 2, the liquid inlet pipe 3 is welded on the storage tank liner 2, and the liquid inlet pipe 3 is welded at the bottom of the storage tank liner 2 in the embodiment; the storage tank shell 1 is sleeved on the outer side of the storage tank inner container 2, a vacuum cavity 6 is formed between the storage tank shell 1 and the storage tank inner container 2, the liquid inlet pipe 3 and the gas outlet pipe 4 both penetrate through the storage tank shell, and the outer walls of the liquid inlet pipe 3 and the gas outlet pipe 4 are both welded with the storage tank shell 1, so that the storage tank shell 1 and the storage tank inner container 2 are fixed; capillary 5 establish inside outlet duct 4, capillary 5 'S bottom extends to the position that 2 inner chambers of storage tank inner bag are close to the bottom, outlet duct 4' S bottom is located the position that 2 inner chambers of storage tank inner bag are close to the top, outlet duct 4 is worn out on 5 tops of capillary, capillary 5 'S outer wall and 4 inner walls of outlet duct have the clearance, capillary 5' S outer wall and 4 inner walls of outlet duct contactless in this embodiment, capillary 5 is connected with the outside gasification pipeline of liquid oxygen adiabatic storage tank through the joint, gasification pipeline is fixed with the storage tank shell, in this embodiment, capillary 5 and outlet duct 4 are located the part setting between storage tank shell 1 and storage tank inner bag 2 and are "S" type, capillary 5 and outlet duct 4 of S "type are favorable to avoiding because of the welding seam crackle that the material meets an emergency and leads.
Referring to fig. 2, in order to enhance the heat insulation performance of the liquid oxygen heat insulation storage tank, the outer wall of the storage tank liner 2 is coated with a heat insulation material layer 7, and the heat insulation material layer 7 is made of a plurality of layers of reflecting screens and heat insulation paper; the vacuum cavity 6 is internally provided with a molecular sieve 8, the molecular sieve 8 is fixed on the outer wall of the storage tank inner container 2 or on the inner wall of the storage tank outer shell 1, the molecular sieve 8 is arranged between the storage tank inner container 2 and the heat insulation material layer 7 in the embodiment, and the molecular sieve is used for adsorbing molecules, so that the vacuum degree of the vacuum cavity 6 is ensured, and further, the heat insulation effect of the liquid oxygen heat insulation storage tank is ensured.
Referring to attached drawings 1-3, a vacuumizing port 9 is welded at the top end of a storage tank shell 1, one end of the vacuumizing port 9 is communicated with a vacuum cavity 6, the vacuumizing port 9 is used for vacuumizing the cavity between the storage tank shell and a storage tank liner in the production process of the liquid oxygen heat insulation storage tank, and the vacuumizing port 9 is blocked after vacuumizing.
The utility model relates to a liquid oxygen heat insulation storage tank, in the process of supplementing liquid oxygen, the valve of an emptying valve is opened, gaseous oxygen at the top of a storage tank inner container 2 overflows from the emptying valve through an air outlet pipe 4, a liquid inlet pipe 3 is connected with a liquid injection device, and liquid oxygen is injected into the storage tank inner container 2 through the liquid injection device; in the process of outputting oxygen from the liquid oxygen heat insulation storage tank, the liquid oxygen output from the capillary 5 is liquefied by the liquefaction pipeline to form oxygen, and the oxygen is used after being converged with the oxygen directly output from the gas outlet pipe 4.
The utility model relates to a production process of adiabatic storage tank of liquid oxygen does:
firstly, sleeving an air outlet pipe 4 outside a capillary tube 5, and bending the air outlet pipe 4 and the capillary tube 5 into an S shape; then, respectively welding an air outlet pipe 4 and a liquid inlet pipe 3 on the upper end cover and the lower end cover of the liner, welding the upper end cover and the lower end cover of the liner on the upper end and the lower end of the liner body to form a combination of the storage tank liner 2, the liquid inlet pipe 3 and the air outlet pipe 4, and installing a molecular sieve 8 on the outer wall of the storage tank liner 2 and wrapping a heat insulation material layer 7; then, welding the lower end cover of the shell to the lower end of the shell body, placing a combination of the storage tank inner container 2, the liquid inlet pipe 3 and the gas outlet pipe 4 in the shell body, penetrating the liquid inlet pipe 3 through a hole reserved on the lower end cover of the shell, and welding the lower end cover of the shell and the outer wall of the liquid inlet pipe 3; then, welding the vacuumizing port 9 on the upper end cover of the shell, clamping the upper end cover of the shell at the upper end of the shell body, enabling the air outlet pipe 4 to penetrate through the upper end cover of the shell in the clamping process, welding the upper end cover of the shell and the shell body, and welding the upper end cover of the welded shell and the outer wall of the air outlet pipe 4; and finally, vacuumizing the cavity between the storage tank inner container 2 and the storage tank shell 1 through the vacuumizing port 9, and plugging the vacuumizing port 9.
The utility model relates to an adiabatic principle of adiabatic storage tank of liquid oxygen does:
the utility model discloses an inside air of cavity between storage tank shell 1 and the storage tank inner bag 2 is taken out to evacuation mouth 9, and the in-process of evacuation utilizes molecular sieve 8 adsorption molecule, guarantee the vacuum of cavity, after the evacuation, carry out the shutoff to evacuation mouth 9, use high vacuum heat insulation theory and technique, reduced between the gas molecule and between gas molecule and storage tank shell 1 and the storage tank inner bag 2 through molecule thermal motion transfer heat, the thermal insulation performance of liquid oxygen heat insulation storage tank has been improved, utilize 7 parcel storage tank inner bags 2 on the thermal insulation material layer simultaneously, further improve thermal insulation performance.
The present invention has been described in detail with reference to the embodiments, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (10)
1. The utility model provides a liquid oxygen heat preservation storage tank which characterized in that: the device comprises a storage tank shell, a storage tank inner container, a liquid inlet pipe, an air outlet pipe and a capillary pipe; the gas outlet pipe is fixed at the top end of the storage tank inner container, and the liquid inlet pipe is fixed on the storage tank inner container; the storage tank shell is sleeved on the outer side of the storage tank inner container, a vacuum cavity is formed between the storage tank shell and the storage tank inner container, the liquid inlet pipe and the gas outlet pipe both penetrate through the storage tank shell, and the outer walls of the liquid inlet pipe and the gas outlet pipe are both fixed with the storage tank shell; the capillary is arranged in the air outlet pipe, the outer diameter of the capillary is smaller than the inner diameter of the air outlet pipe, the bottom end of the capillary extends to the position, close to the bottom, of the inner cavity of the storage tank liner, and the bottom end of the air outlet pipe is located at the position, close to the top, of the inner cavity of the storage tank liner.
2. The liquid oxygen insulated storage tank of claim 1, wherein: the outer wall of the inner container of the storage tank is coated with a heat insulation material layer.
3. The liquid oxygen insulated storage tank of claim 2, wherein: the vacuum cavity is internally provided with a molecular sieve which is fixed on the outer wall of the inner container of the storage tank or the inner wall of the outer shell of the storage tank.
4. The liquid oxygen insulated storage tank of claim 3, wherein: the molecular sieve is arranged between the storage tank inner container and the heat insulation material layer.
5. The liquid oxygen insulated storage tank of claim 1, wherein: the capillary and the air outlet pipe are arranged between the shell and the inner container of the storage tank in an S shape.
6. The liquid oxygen insulated storage tank of claim 1, wherein: the top end of the storage tank shell is welded with a vacuum-pumping port, and one end of the vacuum-pumping port is communicated with the vacuum cavity.
7. The liquid oxygen insulated storage tank of claim 1, wherein: the liquid inlet pipe is welded at the bottom of the storage tank inner container.
8. The liquid oxygen insulated storage tank of claim 1, wherein: the top end of the capillary tube penetrates out of the air outlet pipe.
9. The liquid oxygen insulated storage tank of claim 1, wherein: the air outlet pipe is welded with the top end of the storage tank inner container, and the outer walls of the liquid inlet pipe and the air outlet pipe are both welded with the storage tank shell.
10. The liquid oxygen insulated storage tank of claim 1, wherein: and a gap is formed between the outer wall of the capillary tube and the inner wall of the air outlet tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021280896.0U CN212565284U (en) | 2020-07-02 | 2020-07-02 | Liquid oxygen heat insulation storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021280896.0U CN212565284U (en) | 2020-07-02 | 2020-07-02 | Liquid oxygen heat insulation storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212565284U true CN212565284U (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021280896.0U Active CN212565284U (en) | 2020-07-02 | 2020-07-02 | Liquid oxygen heat insulation storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212565284U (en) |
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2020
- 2020-07-02 CN CN202021280896.0U patent/CN212565284U/en active Active
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