CN217503334U - Device for extracting liquid nitrogen - Google Patents
Device for extracting liquid nitrogen Download PDFInfo
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- CN217503334U CN217503334U CN202221354776.XU CN202221354776U CN217503334U CN 217503334 U CN217503334 U CN 217503334U CN 202221354776 U CN202221354776 U CN 202221354776U CN 217503334 U CN217503334 U CN 217503334U
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- liquid nitrogen
- urceolus
- apron
- valve body
- holding vessel
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Abstract
The utility model provides a device for drawing liquid nitrogen, including the holding vessel, the holding vessel includes the urceolus, and the upper end of urceolus is connected with presses the press pump, and the lag has been cup jointed in the outside of urceolus, and the bottom of urceolus is connected with the valve body, and the internally mounted of valve body has the valve plate, and the top of valve body is connected with the inner tube, and the bottom of valve body is connected with the connecting pipe, and the extraction tube has been cup jointed in the outside of connecting pipe, and the extraction tube is including the apron, and the bottom of apron is connected with flexible pipe. Be connected with the extraction tube through the bottom with the holding vessel, and the press pump through the installation of holding vessel upper end, with the whole liquid nitrogen top that covers at big jar of device, and the extrusion is pressed the press pump and is extracted the liquid nitrogen, make the liquid nitrogen store in the inside of holding vessel, be convenient for carry out drawing and depositing of liquid nitrogen through the holding vessel, reduce the secondary transfer of liquid nitrogen, avoid the liquid nitrogen to appear pouring down and spilling and volatilizing extracting and the in-process that shifts, improve the availability factor of device, avoid the liquid nitrogen to hinder the people.
Description
Technical Field
The utility model relates to a liquid nitrogen processing technology field, in particular to a device for drawing liquid nitrogen.
Background
The liquid nitrogen tank can be generally divided into a liquid nitrogen storage tank and a liquid nitrogen transportation tank, the storage tank is mainly used for standing storage of indoor liquid nitrogen and is not suitable for long-distance transportation in a working state, and liquid nitrogen in the small liquid nitrogen tank is generally extracted from a special liquid nitrogen tank.
However, the conventional small-sized liquid nitrogen container for refrigerating the specimen has the following problems in extracting liquid nitrogen: present mode of drawing liquid nitrogen to big liquid nitrogen tank is mainly got outward to the liquid nitrogen through instruments such as staff's ladle and is shifted to small-size liquid nitrogen tank, the in-process that shifts appears toppling easily and volatilizing the condition, or draw through carrying a section of thick bamboo, nevertheless carry the mode that a section of thick bamboo was drawed, it is not high to need carry out the secondary and shift the security, can directly lead to skin frostbite when operating personnel and liquid nitrogen direct contact, can lead to operating personnel oxygen deficiency suffocation even under the extreme condition, in order to solve above-mentioned problem, we have proposed a device for drawing the liquid nitrogen.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device for drawing liquid nitrogen is convenient for carry out drawing of liquid nitrogen, and reduces the secondary and shifts the advantage of avoiding appearing safety accident at the extraction in-process.
The embodiment of the utility model is realized like this: the utility model provides a device for drawing liquid nitrogen, includes the holding vessel, the holding vessel includes the urceolus, the upper end of urceolus is connected with presses the force pump, the lag has been cup jointed in the outside of urceolus, the bottom of urceolus is connected with the valve body, the internally mounted of valve body has the valve plate, just the top of valve body is connected with the inner tube, the bottom of valve body is connected with the connecting pipe, the extraction tube has been cup jointed in the outside of connecting pipe, the extraction tube includes the apron, the bottom of apron is connected with flexible pipe.
Optionally, the bottom of flexible pipe is connected with the liquid suction pipe, equidistant the having seted up the through-hole on the lateral wall of liquid suction pipe, just the internal connection of liquid suction pipe has the spring, the upper end of spring is connected on the apron.
Optionally, a conical inclined surface is arranged below the middle of the cover plate, a flange protruding downwards is installed at the edge of the cover plate, and the diameter value of the cover plate is larger than that of the telescopic pipe.
Optionally, the inner cylinder is a conical cylinder with an upward tip, and the length of the inner cylinder is smaller than that of the outer cylinder.
Optionally, the telescopic pipe is a telescopic corrugated hose, and the diameter value of the telescopic pipe is consistent with that of the connecting pipe.
Optionally, the protective sleeve is a rubber insulating sleeve, and the protective sleeve is attached to the outer wall of the storage tank.
The utility model discloses beneficial effect includes: the embodiment of the utility model provides a device for drawing liquid nitrogen, be connected with the extraction tube through the bottom with the holding vessel, and the press pump through the installation of holding vessel upper end, cover the whole liquid nitrogen top at the big jar of device, and the extrusion is pressed the press pump and is extracted the liquid nitrogen, make the liquid nitrogen store in the inside of holding vessel, be convenient for carry out drawing and depositing of liquid nitrogen through the holding vessel, reduce the secondary of liquid nitrogen and shift, avoid the liquid nitrogen to appear fascinating and volatilizing at the in-process that draws and shift, the availability factor of the device is improved, avoid the liquid nitrogen to hinder the people.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of the structure of a device for extracting liquid nitrogen according to the present invention;
FIG. 2 is a cross-sectional view of an apparatus for extracting liquid nitrogen in accordance with the present invention;
fig. 3 is a schematic diagram of a device for extracting liquid nitrogen at a point a of the present invention;
fig. 4 is a schematic diagram at B of an apparatus for extracting liquid nitrogen according to the present invention;
fig. 5 is a schematic diagram of the position C of the device for extracting liquid nitrogen of the present invention.
Icon: 1. a storage tank; 11. an outer cylinder; 12. an inner barrel; 13. a valve body; 14. a valve plate; 15. a connecting pipe; 2. a protective sleeve; 3. an extraction tube; 31. a cover plate; 32. a telescopic pipe; 33. a liquid pumping pipe; 34. a spring; 4. the pump is pressed.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-5, the embodiment of the utility model provides a device for drawing liquid nitrogen, including holding vessel 1, holding vessel 1 includes urceolus 11, and the upper end of urceolus 11 is connected with and presses pressure pump 4, and lag 2 has been cup jointed in the outside of urceolus 11, and the bottom of urceolus 11 is connected with valve body 13, and the internally mounted of valve body 13 has valve plate 14, and the top of valve body 13 is connected with inner tube 12, and the bottom of valve body 13 is connected with connecting pipe 15, and extraction tube 3 has been cup jointed in the outside of connecting pipe 15, and extraction tube 3 includes apron 31, and the bottom of apron 31 is connected with flexible pipe 32.
The bottom of flexible pipe 32 is connected with liquid suction pipe 33, and equidistant the having seted up the through-hole on liquid suction pipe 33's the lateral wall, and liquid suction pipe 33's internal connection has spring 34, and the upper end of spring 34 is connected on apron 31, and it is vacant through offering on liquid suction pipe 33's lateral wall, be convenient for make the liquid nitrogen in the liquid nitrogen container get into flexible pipe 32 in by liquid suction pipe 33's side opening to send into the inside of holding vessel 1 through flexible pipe 32, accomplish the extraction and the storage of liquid nitrogen.
The middle part below of apron 31 is the toper inclined plane, and the flange of downward salient is installed to the edge of apron 31, and the diameter value of apron 31 is greater than the diameter value of flexible pipe 32, and apron 31 installs device integral erection in the top of the storage tank of liquid nitrogen when using, supports the device wholly, and avoids the gas in the liquid nitrogen to escape by the storage tank is inside, guarantees the safety of device in the use.
The inner tube 12 is a taper tube with the tip upwards installed, the length value of the inner tube 12 is smaller than that of the outer tube 11, the inner tube 12 is installed inside the outer tube 11, the outer tube 11 is convenient to prevent liquid nitrogen from flowing backwards in the liquid nitrogen extraction process, and the liquid nitrogen is guaranteed to be stored inside the storage tank 1.
The flexible pipe 32 is flexible corrugated hose, and the diameter value of flexible pipe 32 is unanimous with the diameter value of connecting pipe 15, is convenient for send into the bottom of depositing the jar of liquid nitrogen with the bottom of drawing pipe 3 through flexible of flexible pipe 32, guarantees that the liquid nitrogen extraction in-process is abundant to contact with the liquid nitrogen, is convenient for improve the efficiency that the liquid nitrogen extracted.
It should be noted that, the utility model relates to a device for drawing liquid nitrogen, install extraction tube 3 in the bottom of holding vessel 1, and be connected with in the upper end of holding vessel 1 and press pump 4, stretch into the holding vessel inside of liquid nitrogen with the bottom of extraction tube 3, and press pump 4 through pressing, the inside air of holding vessel 1 is discharged, and extract the liquid nitrogen, send into the inside of urceolus 11 through flexible pipe 32 and inner tube 12, deposit, later close valve plate 14 bottom urceolus 11, carry out the shift and the use of liquid nitrogen through urceolus 11, and will press pump (4) to take out and seal the installation of lid by the top of holding vessel (1), can.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. Device for extracting liquid nitrogen, comprising a storage tank (1), characterized in that: storage tank (1) includes urceolus (11), the upper end of urceolus (11) is connected with and presses force pump (4), lag (2) have been cup jointed in the outside of urceolus (11), the bottom of urceolus (11) is connected with valve body (13), the internally mounted of valve body (13) has valve plate (14), just the top of valve body (13) is connected with inner tube (12), the bottom of valve body (13) is connected with connecting pipe (15), extraction tube (3) have been cup jointed in the outside of connecting pipe (15), extraction tube (3) are including apron (31), the bottom of apron (31) is connected with flexible pipe (32).
2. The apparatus for extracting liquid nitrogen according to claim 1, characterized in that: the bottom of flexible pipe (32) is connected with liquid suction pipe (33), equidistant the having seted up the through-hole on the lateral wall of liquid suction pipe (33), just the internal connection of liquid suction pipe (33) has spring (34), the upper end of spring (34) is connected on apron (31).
3. The apparatus for extracting liquid nitrogen according to claim 1, characterized in that: the middle part below of apron (31) is the toper inclined plane, the edge of apron (31) is installed the flange that extrudes downwards, just the diameter value of apron (31) is greater than the diameter value of flexible pipe (32).
4. The apparatus for extracting liquid nitrogen according to claim 1, characterized in that: the inner cylinder (12) is a conical cylinder with an upward tip, and the length value of the inner cylinder (12) is smaller than that of the outer cylinder (11).
5. The apparatus for extracting liquid nitrogen according to claim 1, characterized in that: the telescopic pipe (32) is a telescopic corrugated hose, and the diameter value of the telescopic pipe (32) is consistent with that of the connecting pipe (15).
6. The apparatus for extracting liquid nitrogen according to claim 1, characterized in that: the protective sleeve (2) is a rubber insulating sleeve, and the protective sleeve (2) is attached to the outer wall of the storage tank (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221354776.XU CN217503334U (en) | 2022-06-01 | 2022-06-01 | Device for extracting liquid nitrogen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221354776.XU CN217503334U (en) | 2022-06-01 | 2022-06-01 | Device for extracting liquid nitrogen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217503334U true CN217503334U (en) | 2022-09-27 |
Family
ID=83358498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221354776.XU Active CN217503334U (en) | 2022-06-01 | 2022-06-01 | Device for extracting liquid nitrogen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217503334U (en) |
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2022
- 2022-06-01 CN CN202221354776.XU patent/CN217503334U/en active Active
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