CN218775334U - Cleaning system of Dewar flask - Google Patents

Cleaning system of Dewar flask Download PDF

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Publication number
CN218775334U
CN218775334U CN202223246037.1U CN202223246037U CN218775334U CN 218775334 U CN218775334 U CN 218775334U CN 202223246037 U CN202223246037 U CN 202223246037U CN 218775334 U CN218775334 U CN 218775334U
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China
Prior art keywords
dewar
bottle
gas
opening
cavity
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CN202223246037.1U
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Chinese (zh)
Inventor
廖恒易
陈艳珊
郑桂清
方军
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Guangdong Huate Gases Co ltd
Jiangxi Huate Electronic Chemicals Co ltd
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Guangdong Huate Gases Co ltd
Jiangxi Huate Electronic Chemicals Co ltd
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Priority to CN202223246037.1U priority Critical patent/CN218775334U/en
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Abstract

A dewar cleaning system comprising: the device comprises a drying box, a cleaning gas transmission device, a gas inlet pipe, a gas outlet pump body and a gas outlet pipe; the output end of the cleaning gas transmission device is communicated with the input end of the gas inlet pipe, and the cleaning gas transmission device is used for inputting pure gas to the gas inlet pipe; the output end of the air inlet pipe is communicated with the inner bottle of the Dewar flask; the input end of the air outlet pipe is communicated with the inner bottle of the Dewar flask and is used for discharging the pure gas in the inner bottle of the Dewar flask; the output end of the air outlet pipe is positioned outside the Dewar flask; the air outlet pump body is communicated with the air outlet pipe and is used for outputting the pure gas in the inner bottle of the Dewar flask to the output end of the air outlet pipe. This scheme provides a clean system of dewar bottle, and it heats the dewar bottle that is located the sealed chamber through the stoving case to carry out a lot of to the dewar bottle under heating state and admit air and exhaust the back many times, and then to the inside cleanness of dewar bottle, solved the washing difficulty and the washing incomplete problem of dewar bottle among the prior art.

Description

Cleaning system of Dewar flask
Technical Field
The utility model relates to a clean technical field of dewar bottle especially relates to a clean system of dewar bottle.
Background
The dewar needs to clean the residue in time after use, otherwise the service life of the dewar is affected; for example, after the dewar bottle stores liquid nitrogen, when the liquid nitrogen is volatilized, residual impurities of the dewar bottle can be melted and attached to the inner container, and then the inner container is corroded. In the prior art, the cleaning step of the Dewar flask is mainly to discharge the liquid nitrogen of the Dewar flask, after the Dewar flask is placed for 2 to 3 days, the inner flask reaches the room temperature, and then warm water is poured into the inner flask for scrubbing; this type of cleaning is used for a long time and some of the residue is still not easily removed, resulting in a low cleaning efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a clean system of dewar bottle, it heats the dewar bottle that is located sealed chamber through the stoving case to carry out a lot of to the dewar bottle under heating state and admit air many times and exhaust the back, and then to the inside cleanness of dewar bottle.
To achieve the purpose, the utility model adopts the following technical proposal:
a dewar cleaning system comprising: the device comprises a drying box, a cleaning gas transmission device, a gas inlet pipe, a gas outlet pump body and a gas outlet pipe;
the stoving case includes: the device comprises a box body, an adjusting door and a heating device;
the box body is provided with a bottle cavity for accommodating a Dewar bottle; the adjusting door is movably and adjustably arranged at the opening position of the bottle cavity and is used for covering or exposing the opening of the bottle cavity; when the adjusting door is adjusted to cover the opening of the bottle cavity, a sealed cavity which is internally and externally separated is formed between the bottle cavity and the adjusting door, and the heating device is arranged in the sealed cavity and used for heating the sealed cavity;
the output end of the cleaning gas transmission device is communicated with the input end of the gas inlet pipe, and the cleaning gas transmission device is used for inputting pure gas to the gas inlet pipe; the output end of the air inlet pipe is communicated with the inner bottle of the Dewar bottle; the input end of the air outlet pipe is communicated with the inner bottle of the Dewar flask and is used for discharging pure gas in the inner bottle of the Dewar flask; the output end of the air outlet pipe is positioned outside the Dewar flask; the air outlet pump body is communicated with the air outlet pipe and used for outputting the pure gas in the inner bottle of the Dewar bottle to the output end of the air outlet pipe.
Preferably, a first U-shaped opening is formed in the upper surface of the box body, and a second U-shaped opening is formed in the upper surface of the adjusting door; when the adjusting door is adjusted to cover the opening of the bottle cavity, the first U-shaped opening is abutted against the second U-shaped opening to form a limiting opening; the upper end of the Dewar flask is provided with a connecting pipe part; the connecting pipe part is clamped on the limiting opening and extends out of the sealing cavity.
Preferably, the method further comprises the following steps: a locker; the locker includes: the locking female seat and the locking male seat;
one end of the adjusting door is rotatably connected to the bottle cavity, and the upper surface of the other end of the adjusting door is provided with the locking female seat;
the locking male seat is arranged on the upper surface of the box body and close to the locking female seat; the locking female seat is detachably connected with the locking male seat, so that the adjusting door is limited in the bottle cavity.
Preferably, the locking male seat is provided with a vertical plate; the locking female seat is provided with a fixed seat and a rotating frame;
the bottom ends of the vertical plates are arranged on the upper surface of the box body; the fixed seat is arranged on the upper surface of the adjusting door, the rotating frame is rotatably arranged on the fixed seat, and the rotating frame is provided with a frame opening;
the rotating frame rotates to clamp the frame opening in the vertical plate, so that the vertical plate is arranged in the frame opening, and the adjusting door is limited in the bottle cavity.
Preferably, the method further comprises the following steps: a fixed mount;
the fixed frame is positioned above the box body; the outer side walls of the air inlet pipe and the air outlet pipe are fixed on the fixing frame.
Preferably, the method further comprises the following steps: a recovery pipe; the outer side wall of the recovery pipe is fixed on the fixing frame;
a plurality of limiting openings are formed in a single box body, the single box body can accommodate a plurality of Dewar flasks at the same time, and the output ends of a plurality of air outlet pipes are communicated with the input end of one recovery pipe at the same time; the air outlet pump body is arranged on the recovery pipe.
Preferably, the method further comprises the following steps: a tail gas treatment device;
the input end of the tail gas treatment device is communicated with the output end of the recovery pipe.
Preferably, the drying box includes: a heat insulating pad;
the bottom of the bottle cavity is provided with a ground opening, and the heat insulation pad is arranged at the ground opening.
The utility model provides a technical scheme can include following beneficial effect:
this scheme provides a clean system of dewar bottle, and it heats the dewar bottle that is located the sealed chamber through the stoving case to carry out a lot of to the dewar bottle under heating state and admit air and exhaust the back many times, and then to the inside cleanness of dewar bottle, solved the washing difficulty and the washing incomplete problem of dewar bottle among the prior art.
Drawings
FIG. 1 is a schematic view of one embodiment of a cleaning system in use with the conditioning door closed;
FIG. 2 is an enlarged schematic view of section A of FIG. 1;
FIG. 3 is a schematic view of a cleaning system with an open adjustment door showing one embodiment of use;
figure 4 is a schematic diagram of the connection of one embodiment of the cleaning system.
Wherein:
the device comprises a drying box 1, a cleaning gas conveying device 2, a gas inlet pipe 3, a gas outlet pump body 4 and a gas outlet pipe 5; a dewar 6; a locker 7; a fixed frame 8; a recovery pipe 9; a tail gas treatment device 10;
a box body 11, an adjusting door 12 and a heating device 13; an insulation mat 14;
a sealed cavity 110; a vial chamber 111; a first U-shaped opening 112, a ground opening 113; a second U-shaped opening 121; a limiting opening 120;
a connecting pipe portion 61;
a locking male seat 71 and a locking female seat 72; a vertical plate 711; a fixed seat 721, a rotating frame 722; a frame opening 723.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The technical solution of the present solution is further explained by the following embodiments with reference to the accompanying drawings.
A dewar cleaning system comprising: the device comprises a drying box 1, a cleaning gas conveying device 2, a gas inlet pipe 3, a gas outlet pump body 4 and a gas outlet pipe 5;
the drying box 1 includes: a box body 11, an adjusting door 12 and a heating device 13;
the box body 11 is provided with a bottle cavity 111 for accommodating the Dewar flask 6; the adjusting door 12 is movably and adjustably mounted at the opening position of the bottle cavity 111 and is used for covering or exposing the opening of the bottle cavity 111; when the adjusting door 12 is adjusted to cover the opening of the bottle cavity 111, a sealed cavity 110 which is separated from the inside and the outside is formed between the bottle cavity 111 and the adjusting door 12, and the heating device 13 is arranged in the sealed cavity 110 and is used for heating the sealed cavity 110;
the output end of the cleaning gas transmission device 2 is communicated with the input end of the gas inlet pipe 3, and the cleaning gas transmission device 2 is used for inputting pure gas into the gas inlet pipe 3; the output end of the air inlet pipe 3 is communicated with the inner bottle of the Dewar flask 6; the input end of the gas outlet pipe 5 is communicated with the inner bottle of the Dewar flask 6 and is used for discharging pure gas in the inner bottle of the Dewar flask 6; the output end of the air outlet pipe 5 is positioned outside the Dewar flask 6; the air outlet pump body 4 is communicated with the air outlet pipe 5 and is used for outputting the pure gas in the inner bottle of the Dewar flask 6 to the output end of the air outlet pipe 5.
This scheme provides a clean system of dewar bottle, and it heats dewar bottle 6 that is located sealed chamber 110 through stoving case 1 to carry out a lot of to dewar bottle 6 under heating state and admit air and exhaust the back many times, and then to the inside cleanness of dewar bottle 6, solved among the prior art cleaning difficulty and the washing incomplete problem of dewar bottle 6.
Specifically, drying box 1 is provided with box body 11 and adjusting door 12, when the inner bottle of a certain dewar 6 needs to be cleaned, dewar 6 can be placed in bottle cavity 111 by manual conveying or mechanical conveying, after dewar 6 is placed, adjusting door 12 can be directly moved to the opening of bottle cavity 111 to cover the opening of bottle cavity 111, and bottle cavity 111 and adjusting door 12 are sealed to form sealed cavity 110 with inside and outside separated. At this time, the heating device 13 may be activated, the heating device 13 heats the sealed cavity 110, and the heating end of the heating device 13 may be disposed in the bottle cavity 111 and/or the adjusting door 12, so as to heat the body of the dewar 6, and heat the outer sidewall of the dewar 6 to above 100 ℃. The outer bottle side wall of dewar 6 transfers the heat to the inner bottle of dewar 6 through radiation to improve the inner bottle temperature of dewar 6, and then improve the velocity of flow of gas in the inner bottle of dewar 6 business turn over. In the scheme, the cleaning and gas transmission device 2 outputs pure gas to the gas inlet pipe 3, the pure gas is gas stored in an inner bottle of the Dewar bottle 6 after the Dewar bottle 6 is cleaned subsequently, the pure gas enters the inner bottle of the Dewar bottle 6, and after the Dewar bottle 6 is fully filled with the pure gas, the pure gas is output to the outside of the outer bottle from the gas outlet pipe 5 after the inner bottle, so that the gas is discharged out of the inner bottle; in the process, the gas outlet pump body 4 can be started, the gas outlet pump body 4 is communicated with the gas outlet pipe 5, pure gas can be output from the Dewar flask 6 to the output end of the gas outlet pipe 5 until the pure gas in the inner flask is emptied, and the steps are repeated; after the interior bottle of dewar 6 was washed through many times pure gas, the foreign gas of former interior bottle was taken away by the pure gas who lets in, and outside the interior bottle of discharging, and then can realize the effect of clean dewar 6 under the prerequisite that need not to dismantle dewar 6, improved dewar 6's cleaning efficiency.
According to common knowledge, the outer bottle of the Dewar bottle protects the inner bottle, and a vacuum interlayer formed by the outer bottle and the inner bottle can prevent the heat outside the bottle from invading, so that the natural vaporization of the low-temperature liquid in the inner bottle is reduced.
The heating device 13 is a known mechanism having a heating function, and includes, for example, an electromagnetic heater, an infrared heater, and a resistance heater.
Preferably, a first U-shaped opening 112 is formed in the upper surface of the box body 11, and a second U-shaped opening 121 is formed in the upper surface of the adjusting door 12; when the adjusting door 12 is adjusted to cover the opening of the bottle cavity 111, the first U-shaped opening 112 abuts against the second U-shaped opening 121 to form a limiting opening 120; the upper end of the Dewar flask 6 is provided with a connecting pipe part 61; the connecting pipe portion 61 is clamped to the limiting opening 120 and extends out of the sealing cavity 110.
The bottle cavity 111 of the box body 11 can contain the Dewar flask 6, and when the adjusting door 12 moves to the opening of the bottle cavity 111 of the box body 11, the first U-shaped opening 112 of the box body 11 is abutted against the second U-shaped opening 121 of the adjusting door 12, so that a limiting opening 120 can be formed; generally, the upper end of the dewar 6 is equipped with a protection ring and a bottleneck for installing a valve body, a pipe, a meter, etc.; in this scheme, the output of intake pipe 3 and the input of outlet duct 5 are spacing in even tub portion 61, can expose intake pipe 3 and outlet duct 5 outside sealed chamber 110 to the manual work is dismantled fast and is installed intake pipe 3 and outlet duct 5.
Preferably, the method further comprises the following steps: a locker 7; the locker 7 includes: a locking female seat 72 and a locking male seat 71;
one end of the adjusting door 12 is rotatably connected to the bottle cavity 111, and the upper surface of the other end of the adjusting door 12 is provided with the locking female seat 72;
the locking male seat 71 is arranged on the upper surface of the box body 11 and close to the locking female seat 72; the female locking seat 72 is detachably connected to the male locking seat 71, so that the adjusting door 12 is limited in the bottle cavity 111.
As shown in fig. 3, one end of the adjusting door 12 may be connected to the sidewall of the bottle cavity 111 through a rotating mechanism (e.g., a hinge or a rotating shaft, etc.), so that the adjusting door 12 is rotatably mounted to the box body 11; the other end of the adjusting door 12 is provided with a locking female seat 72; when the adjusting door 12 rotates to the bottle cavity 111, the locking female seat 72 and the locking male seat 71 can be connected to limit the adjusting door 12 in the bottle cavity 111, so that the adjusting door 12 cannot be easily separated from the bottle cavity 111; therefore, the sealed cavity 110 formed by the adjusting door 12 and the bottle cavity 111 can be kept warm.
Preferably, the locking male seat 71 is provided with a vertical plate 711; the locking female seat 72 is provided with a fixed seat 721 and a rotating frame 722;
the bottom ends of the vertical plates 711 are mounted on the upper surface of the box body 11; the fixed seat 721 is installed on the upper surface of the adjusting door 12, the rotating frame 722 is rotatably installed on the fixed seat 721, and the rotating frame 722 is provided with a frame opening 723;
the rotating frame 722 rotates to clamp the frame opening 723 to the vertical plate 711, so that the vertical plate 711 is arranged in the frame opening 723, and the adjusting door 12 is limited in the bottle cavity 111.
The rotating frame 722 rotates relatively on the fixing seat 721 to rotate the rotating frame 722 to the position of the vertical plate 711, the bezel 723 of the rotating frame 722 rotates to be clamped on the vertical plate 711, and the vertical plate 711 is located inside the bezel 723, so that the vertical plate 711 cannot be separated from the position of the bezel 723, and the adjusting door 12 is limited in the bottle cavity 111.
Preferably, the method further comprises the following steps: a fixed frame 8;
the fixed frame 8 is positioned above the box body 11; the outer side walls of the air inlet pipe 3 and the air outlet pipe 5 are fixed on the fixing frame 8.
The fixing frame 8 can be used for directly or indirectly fixing the positions of the air inlet pipe 3 and the air outlet pipe 5 through a clamp (not shown), so that the air inlet pipe 3 and the air outlet pipe 5 can be respectively connected to the Dewar flask 6 from top to bottom, an operator can conveniently and quickly connect the air inlet pipe 3 and the air outlet pipe 5 to the Dewar flask 6, and the cleaning speed is improved.
Preferably, the method further comprises the following steps: a recovery pipe 9; the outer side wall of the recovery pipe 9 is fixed on the fixing frame 8;
a plurality of limiting openings 120 are formed in a single box body 11, the single box body 11 simultaneously accommodates a plurality of Dewar flasks 6, and the output ends of a plurality of gas outlet pipes 5 are simultaneously communicated with the input end of one recovery pipe 9; the air outlet pump body 4 is arranged on the recovery pipe 9.
The plurality of air outlet pipes 5 are communicated with the same recovery pipe 9, so that pure gas output by different dewar bottles 6 can be collected into a whole and can be recovered together, the flow of the gas in the recovery pipe 9 is improved, and the recovery efficiency is improved. When the inner bottle of the Dewar flask 6 needs to be evacuated, the output end of the cleaning gas transmission device can be closed, the gas outlet pump body 4 is started, and then the Dewar flask 6 is evacuated, so that pure gas in the Dewar flask 6 is pumped out.
Preferably, the method further comprises the following steps: a tail gas treatment device 10;
the input end of the tail gas treatment device 10 is communicated with the output end of the recovery pipe 9.
The gas collected from the recovery pipe 9 with the impurity gas in the original dewar 6, and the off-gas treatment device 10 capable of recovering the pure gas and the impurity gas; the exhaust gas treatment device 10 may be replaced with a known exhaust gas treatment device, for example, a device for recovering the pure gas and then physically or chemically treating the harmful substances in the impurity gas to meet the emission standard.
Preferably, the drying box 1 comprises: an insulation mat 14;
the bottom of the bottle cavity 111 is provided with a ground opening 11, and the heat insulation pad 14 is arranged at the ground opening 11.
The bottom of the bottle cavity 111 is exposed to the ground opening 11, and the box 11 is exposed to the ground at the position of the ground opening 11, so that the heat insulation pad 14 is generally installed on the ground. The thickness of the heat insulation pad 14 can be set smaller, so that on one hand, the Dewar flask 6 can be directly pushed to the flask cavity 111 manually, and the Dewar flask 6 is not required to be lifted upwards to the flask cavity 111 manually, the installation difficulty of the Dewar flask 6 is reduced, on the other hand, the overall weight of the drying box 1 can be reduced, and the position of the drying box 1 can be adjusted conveniently; the heat insulation pad 14 is arranged at the bottom of the bottle cavity 111 and is provided with a ground opening 11, so that heat exchange between the sealed cavity 110 and the ground can be reduced, and the heat insulation degree of the Dewar flask 6 can be improved.
The technical principle of the present solution is described above with reference to specific embodiments. These descriptions are only used to explain the principles of the present solution and should not be interpreted in any way as limiting the scope of the present solution. Based on the explanations provided herein, a person skilled in the art will be able to conceive of other embodiments of the present solution without inventive effort, which shall fall within the scope of protection of the present solution.

Claims (8)

1. A dewar cleaning system comprising: the device comprises a drying box, a cleaning gas conveying device, a gas inlet pipe, a gas outlet pump body and a gas outlet pipe;
the stoving case includes: the device comprises a box body, an adjusting door and a heating device;
the box body is provided with a bottle cavity for accommodating a Dewar bottle; the adjusting door is movably and adjustably arranged at the opening position of the bottle cavity and is used for covering or exposing the opening of the bottle cavity; when the adjusting door is adjusted to cover the opening of the bottle cavity, a sealed cavity which is separated from the inside and the outside is formed between the bottle cavity and the adjusting door, and the heating device is arranged in the sealed cavity and used for heating the sealed cavity;
the output end of the cleaning gas transmission device is communicated with the input end of the gas inlet pipe, and the cleaning gas transmission device is used for inputting pure gas to the gas inlet pipe; the output end of the air inlet pipe is communicated with the inner bottle of the Dewar flask; the input end of the air outlet pipe is communicated with the inner bottle of the Dewar flask and is used for discharging pure gas in the inner bottle of the Dewar flask; the output end of the air outlet pipe is positioned outside the Dewar flask; the air outlet pump body is communicated with the air outlet pipe and is used for outputting the pure gas in the inner bottle of the Dewar flask to the output end of the air outlet pipe.
2. The dewar cleaning system according to claim 1, wherein an upper surface of the box body is provided with a first U-shaped opening, and an upper surface of the adjusting door is provided with a second U-shaped opening; when the adjusting door is adjusted to cover the opening of the bottle cavity, the first U-shaped opening is abutted against the second U-shaped opening to form a limiting opening; the upper end of the Dewar flask is provided with a connecting pipe part; the connecting pipe part is clamped on the limiting opening and extends out of the sealing cavity.
3. The dewar cleaning system according to claim 2, further comprising: a locker; the locker includes: the locking female seat and the locking male seat;
one end of the adjusting door is rotatably connected to the bottle cavity, and the upper surface of the other end of the adjusting door is provided with the locking female seat;
the locking male seat is arranged on the upper surface of the box body and close to the locking female seat; the locking female seat is detachably connected with the locking male seat, so that the adjusting door is limited in the bottle cavity.
4. A dewar bottle cleaning system according to claim 3, wherein said locking male seat is provided with a riser; the locking female seat is provided with a fixed seat and a rotating frame;
the bottom ends of the vertical plates are arranged on the upper surface of the box body; the fixed seat is arranged on the upper surface of the adjusting door, the rotating frame is rotatably arranged on the fixed seat, and the rotating frame is provided with a frame opening;
the rotating frame rotates to connect the frame opening with the vertical plate in a clamped mode, the vertical plate is arranged in the frame opening, and the adjusting door is limited in the bottle cavity.
5. The dewar cleaning system according to claim 4, further comprising: a fixed mount;
the fixed frame is positioned above the box body; the outer side walls of the air inlet pipe and the air outlet pipe are fixed on the fixing frame.
6. The dewar cleaning system according to claim 5, further comprising: a recovery pipe; the outer side wall of the recovery pipe is fixed on the fixing frame;
the single box body is provided with a plurality of limiting ports, the single box body simultaneously contains a plurality of Dewar flasks, and the output ends of a plurality of gas outlet pipes are simultaneously communicated with the input end of one recovery pipe; the air outlet pump body is arranged on the recovery pipe.
7. The dewar cleaning system according to claim 6, further comprising: a tail gas treatment device;
the input end of the tail gas treatment device is communicated with the output end of the recovery pipe.
8. The dewar cleaning system according to any one of claims 1 to 7, wherein said drying box comprises: a heat insulating pad;
the bottom of the bottle cavity is provided with a ground opening, and the heat insulation pad is arranged on the ground opening.
CN202223246037.1U 2022-12-05 2022-12-05 Cleaning system of Dewar flask Active CN218775334U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223246037.1U CN218775334U (en) 2022-12-05 2022-12-05 Cleaning system of Dewar flask

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223246037.1U CN218775334U (en) 2022-12-05 2022-12-05 Cleaning system of Dewar flask

Publications (1)

Publication Number Publication Date
CN218775334U true CN218775334U (en) 2023-03-31

Family

ID=85712746

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223246037.1U Active CN218775334U (en) 2022-12-05 2022-12-05 Cleaning system of Dewar flask

Country Status (1)

Country Link
CN (1) CN218775334U (en)

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