CN209196530U - A kind of liquid nitrogen filling tank - Google Patents
A kind of liquid nitrogen filling tank Download PDFInfo
- Publication number
- CN209196530U CN209196530U CN201821683831.3U CN201821683831U CN209196530U CN 209196530 U CN209196530 U CN 209196530U CN 201821683831 U CN201821683831 U CN 201821683831U CN 209196530 U CN209196530 U CN 209196530U
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- exhaust cap
- flange
- tank body
- liquid nitrogen
- liner
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Abstract
This practical new the utility model provides a kind of liquid nitrogen filling tank, it can effectively prevent the downward stretcher strain of tank body liner, improve tank body service life, it can be realized the automatic adjustment to tank body internal pressure simultaneously, the volatilization of liquid nitrogen is reduced, the technical solution of the utility model includes tank body and exhaust cap, and the top of the tank is equipped with opening, open upper end is installed with flange, and the exhaust cap that can flange upper port closed and be opened is arranged in flange upper end.
Description
Technical field
The utility model relates to liquid nitrogen container technical field, specially a kind of liquid nitrogen filling tank.
Background technique
Liquid nitrogen filling tank is the container for storing spare liquid nitrogen, when injecting liquid nitrogen into tank body, pressure meeting in tank body
Be gradually increased, tank body liner can under the action of liquid nitrogen gravity by downward pressure, if liner outer bottom unbraced structure,
Then liner can be pulled downwardly and stretch, and reduce liner service life；And after injection liquid nitrogen, in order to be pressed in compensator body, needed on tank body
Exhaust outlet is set, pressure release is exhausted, simultaneously because liquid nitrogen highly volatile, liquid nitrogen contact with air be easy to cause liquid nitrogen for a long time
Volatilization, therefore the exhaust outlet being arranged on tank body needs to carry out Seal treatment, to reduce the volatilization of liquid nitrogen.
Utility model content
The utility model provides a kind of liquid nitrogen filling tank, can effectively prevent the downward stretcher strain of tank body liner, improves
Tank body service life, while can be realized the automatic adjustment to tank body internal pressure, reduce the volatilization of liquid nitrogen.
The technical solution of the utility model is: including tank body and exhaust cap, the top of the tank, which is equipped with, to be open, in opening
End is installed with flange, and the exhaust cap that can flange upper port closed and be opened is arranged in flange upper end.
The tank body includes liner and shell as a preferred embodiment of the above solution, is vacuum between liner and shell, described interior
It further include having one group of hollow support column between gallbladder and shell, the support column both ends are fixed with liner and outer casing bottom center respectively
Connection, the liner are made of glass reinforced plastic or stainless steel material.
As the further preferred of above scheme, the exhaust cap lower end surface is as on sealing surface, with top of the tank flange
End face fitting, can close flange upper port, and exhaust cap is equipped with attachment device, to by exhaust cap and flanged joint.
As the further preferred of above scheme, the attachment device includes one group of stretching bullet set on exhaust cap side
Spring, the extension spring both ends difference exhaust cap are connected with flange sidewalls, hinged between the exhaust cap and flange, hinge point
In side just opposite with extension spring on exhaust cap and flange.
Preferably, the attachment device includes that the multiple groups on the outside of exhaust cap stretch bullet to another kind as above scheme
Spring, extension spring both ends are connect with exhaust cap and flange sidewalls respectively.
As the further preferred of above scheme, exhaust cap upper end outer wall is equipped with annular convex platform, the annular convex platform
Lower end surface has been distributed uniformly and circumferentially multiple trunnions, and the flange upper surface is equipped with annular convex platform lower end surface trunnion one by one
Corresponding trunnion passes through extension spring between two opposite trunnions and connects.
Preferably, the exhaust cap lower end is flange arrangement to another kind as above scheme, and the attachment device includes solid
Clamp set on top of the tank flange upper surface, clamp front end hold-down column are placed in end flanges upper surface under exhaust cap, can will arrange
Gas cap compresses, and the clamp is distributed uniformly and circumferentially in exhaust cap periphery, and the handle by operating clamp can make clamp
Exhaust cap is compressed and is released and compressed by hold-down column.
As the further preferred of above scheme, the exhaust cap lower end is flange arrangement, is passed through with top of the tank flange
Bolt is fixedly connected.
The utility model has the beneficial effects that:
1, support column is set in tank body liner at the bottom, which uses expoxy glass steel material, can either effectively realize
Support to liner, at the same it is also low temperature resistant, improve the service life of tank body.
2, top of the tank opens up opening, and when exhaust cap is arranged in opening, injects liquid nitrogen, exhaust cap can be according to tank body
The size of internal pressure opens and closes, and there is the real-time tank body internal pressure that adjusts to obtain effect, while can prevent the unnecessary volatilization of liquid nitrogen,
It results in waste of resources.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model entirety.
Fig. 2 is the mounting structure schematic diagram of support column in the utility model embodiment one.
Fig. 3 is the structural schematic diagram that exhaust cap is connect with tank body in the utility model embodiment one.
Fig. 4 is the structural schematic diagram that exhaust cap is connect with tank body in the utility model embodiment two.
Fig. 5 is the structural schematic diagram that exhaust cap is connect with tank body in the utility model embodiment three.
Fig. 6 is the structural schematic diagram that exhaust cap is connect with tank body in the utility model embodiment four.
Specific embodiment
The embodiments of the present invention are described in detail below in conjunction with attached drawing.
Embodiment one
As described in Figure 1, the structure of the present embodiment includes tank body 1 and exhaust cap 2, is equipped with opening 101 at the top of the tank body 1,
Open upper end is installed with flange 4, the exhaust cap 2 that 4 upper port of flange can be closed and be opened by the setting of 4 upper end of flange.
The tank body 1 includes liner 101 and shell 102, is vacuum, the liner 101 between liner 101 and shell 102
Further include having one group of hollow support column 3 between shell 102,3 both ends of support column respectively with 102 bottom of liner 101 and shell
Portion center is fixedly connected, and the liner 101 is made of glass reinforced plastic or stainless steel material.
2 lower end surface of exhaust cap is bonded as sealing surface with 1 top flange of tank body, 4 upper surface, can will be on flange 4
Port closed, exhaust cap 2 is equipped with attachment device, exhaust cap 2 to be connect with flange 4.
The attachment device includes one group of extension spring 5 set on 2 side of exhaust cap, 5 both ends of the extension spring difference
Exhaust cap 2 is connected with 4 side wall of flange, and hinged between the exhaust cap 2 and flange 4, articulated section 6 is located on exhaust cap 2 and flange 4
The just opposite side with extension spring 5.
In said structure, support column 3 is set between 102 bottom of liner 101 and shell, can be had to liner 101
Effect support prevents in tank after injection liquid nitrogen, and liner 101 expands and stretches liner 101 downwards, improves the service life of tank body 1.
When 1 internal pressure of tank body is in safe pressure range, the attachment device being arranged at the top of tank body 1 is in extension spring 5
Pulling force effect under exhaust cap 2 can be held, be bonded 2 lower end surface of exhaust cap with 1 top flange of tank body, 4 upper port, will
The closing of 1 upper port of tank body.When 1 internal pressure of tank body is excessive, the pressure in tank body 1 can overcome the pulling force of extension spring 5 that will arrange
Gas cap 2 jacks up upwards, rotates 2 around hinge of exhaust cap, so that 1 upper port of tank body be made to open pressure release.Subtract in 1 internal pressure of tank body
After small, exhaust cap 2 is reversely rotated under the action of extension spring 5 to close 1 upper port of tank body.Tank body 1 is adjusted to play
Internal pressure guarantees 1 safety of tank body and reduces the effect of liquid nitrogen volatilization.
Embodiment two
The present embodiment is another improvement done on the basis of embodiment one for attachment device, and the attachment device includes
Multiple groups extension spring 5 set on 2 outside of exhaust cap, 5 both ends of extension spring are connect with exhaust cap 2 and 4 side wall of flange respectively.It is described
2 upper end outer wall of exhaust cap is equipped with annular convex platform, and the annular convex platform lower end surface has been distributed uniformly and circumferentially multiple trunnions 7,
4 upper surface of flange be equipped with the one-to-one trunnion of annular convex platform lower end surface trunnion 7, pass through between two opposite trunnions 7
Extension spring 5 connects.
In the present embodiment, exhaust cap 2 is connect with 1 top flange of tank body by multiple extension springs 5, smaller in pressure inside the tank
When, extension spring 5, which can hold downwards exhaust cap 2, is bonded 2 lower end of exhaust cap with 1 top flange of tank body, 4 upper surface, will
The closing of 1 upper port of tank body, when pressure inside the tank is gradually increased, 1 internal pressure of tank body can overcome the pulling force of extension spring 5 by exhaust cap 2
Open upwards, make 1 upper port of tank body open pressure release, 1 internal pressure of tank body reduce after, exhaust cap 2 under 5 pulling force effect of extension spring to
It is lower to close 1 upper port of tank body.To playing automatic adjustment 1 internal pressure of tank body, guaranteeing 1 safety of tank body and reducing liquid nitrogen volatilization
Effect.
Embodiment three
The present embodiment is another improvement done on the basis of embodiment one to attachment device, and 2 lower end of exhaust cap is
Flange arrangement, the attachment device include the clamp 8 for being fixedly arranged on 1 top flange upper surface of tank body, and 8 front end hold-down column 9 of clamp is set
In the lower end flanges upper surface of exhaust cap 2, exhaust cap 2 can be compressed, the clamp 8 is along the circumferential direction uniform in exhaust cap periphery
Distribution, the handle by operating clamp 8 can make clamp hold-down column 9 compress and release compression for exhaust cap 2.
Lift hold-down column 9 by pulling the handle of clamp 8 in the present embodiment, to release the compression to exhaust cap, then
It is manually operable and removes exhaust cap.After exhaust cap is placed on top of the tank flange, exhaust cap can be existed by clamp
It is fixed on top of the tank flange.
Example IV
The present embodiment is another improvement done on the basis of embodiment one to attachment device, and 2 lower end of exhaust cap is
Flange arrangement is bolted to connection with 1 top flange of tank body.
The present embodiment will be on tank body 1 by the way of being fixedly connected with exhaust cap 2 by bolt 10 with 1 top flange of tank body
Port closed lays down bolt 10 and removes exhaust cap 2 when injecting liquid nitrogen into tank body 1, by the way of manual operation, protects
Demonstrate,prove pressure security of the tank body 1 when injecting liquid nitrogen.
It should be noted that embodiment one and two main purpose of embodiment are the automatic adjustments realized to tank body internal pressure, no
Need manual operation pressure release.Exhaust cap passes through extension spring and top of the tank flanged joint, when tank body internal pressure increases, interior pressure energy
Enough spring tension is overcome to open exhaust cap, tank body upper port is opened, realizes exhaust pressure relief, while after pressure release, Neng Gou
It automatically resets under the action of spring.
Embodiment three and example IV need to realize pressure release using manual mode.I.e. before injecting liquid nitrogen into tank body,
By pulling gripper handles, so that clamp is released the pressuring action to exhaust cap, exhaust cap is removed, when injecting liquid nitrogen, Ji Ketong
Tank body upper port is crossed to be vented outwards.Or bolt between exhaust cap and top of the tank flange is laid down, exhaust cap is removed.
In the third embodiment, the clamp is symmetrically installed using two horizontal tooling clamps (such as tooling clamp 201B).
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of liquid nitrogen filling tank, it is characterised in that: including tank body and exhaust cap, the top of the tank, which is equipped with, to be open, in opening
End is installed with flange, and the exhaust cap that can flange upper port closed and be opened is arranged in flange upper end, and the tank body includes liner
And shell, it is vacuum between liner and shell, further includes having one group of hollow support column, the support between the liner and shell
Column both ends are fixedly connected with liner and outer casing bottom center respectively, and the liner is made of glass reinforced plastic or stainless steel material, described
Exhaust cap lower end surface is bonded as sealing surface with top of the tank flange upper surface, can be closed flange upper port, on exhaust cap
Equipped with attachment device, to by exhaust cap and the detachable connection of flange.
2. liquid nitrogen filling tank according to claim 1, it is characterised in that: the attachment device includes being set to exhaust cap side
One group of extension spring, extension spring both ends difference exhaust cap is connected with flange sidewalls, between the exhaust cap and flange
Hingedly, hinge point is in side just opposite with extension spring on exhaust cap and flange.
3. liquid nitrogen filling tank according to claim 1, it is characterised in that: the attachment device includes being set on the outside of exhaust cap
Multiple groups extension spring, extension spring both ends are connect with exhaust cap and flange sidewalls respectively.
4. liquid nitrogen filling tank according to claim 3, it is characterised in that: exhaust cap upper end outer wall is equipped with convex annular
Platform, the annular convex platform lower end surface have been distributed uniformly and circumferentially multiple trunnions, and the flange upper surface is equipped with and convex annular
Trunnion one-to-one trunnion in platform lower end surface passes through extension spring between two opposite trunnions and connects.
5. liquid nitrogen filling tank according to claim 1, it is characterised in that: the exhaust cap lower end is flange arrangement, described
Attachment device includes the clamp for being fixedly arranged on top of the tank flange upper surface, and clamp front end hold-down column is placed under exhaust cap in end flanges
End face can compress exhaust cap, and the clamp is distributed uniformly and circumferentially in exhaust cap periphery, by the hand for operating clamp
Handle can make clamp hold-down column exhaust cap be compressed and be released compression.
6. liquid nitrogen filling tank according to claim 1, it is characterised in that: the exhaust cap lower end is flange arrangement, with tank
Body top flange is bolted to connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821683831.3U CN209196530U (en) | 2018-10-17 | 2018-10-17 | A kind of liquid nitrogen filling tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821683831.3U CN209196530U (en) | 2018-10-17 | 2018-10-17 | A kind of liquid nitrogen filling tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209196530U true CN209196530U (en) | 2019-08-02 |
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ID=67408246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821683831.3U Active CN209196530U (en) | 2018-10-17 | 2018-10-17 | A kind of liquid nitrogen filling tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209196530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151715A (en) * | 2021-12-16 | 2022-03-08 | 翁晶 | Liquid nitrogen supply tank |
-
2018
- 2018-10-17 CN CN201821683831.3U patent/CN209196530U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151715A (en) * | 2021-12-16 | 2022-03-08 | 翁晶 | Liquid nitrogen supply tank |
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