CN215000955U - LNG adds mechanism of qi insulation can structure - Google Patents
LNG adds mechanism of qi insulation can structure Download PDFInfo
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- CN215000955U CN215000955U CN202121187598.1U CN202121187598U CN215000955U CN 215000955 U CN215000955 U CN 215000955U CN 202121187598 U CN202121187598 U CN 202121187598U CN 215000955 U CN215000955 U CN 215000955U
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Abstract
The utility model provides a LNG adds mechanism of qi insulation can structure, pump pond liquid inlet pipeline foundry goods, main liquid inlet pipeline foundry goods, DN25 pipeline foundry goods one, main liquid outlet pipeline foundry goods, DN25 pipeline foundry goods two, return air pipeline foundry goods, LNG liquid feeding machine pipeline foundry goods, DN15 pipeline foundry goods one, DN15 pipeline foundry goods two, DN15 pipeline foundry goods three, DN15 pipeline foundry goods four, DN15 pipeline foundry goods five and DN15 pipeline foundry goods six including interconnect. The utility model has the advantages that: wholly adopt the foundry goods structure, inner structure is simple, ensures that the effectual control of spare part kind is on several kinds of standard foundry goods products, and the check point is few, the detection volume that has significantly reduced, and whole LNG adds the production cycle of mechanism of qi short, has improved production efficiency, has practiced thrift manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of LNG air entrainment machine accessory, especially, relate to a LNG adds mechanism of qi insulation can structure.
Background
An LNG (Liquefied Natural Gas) dispenser is a device for fueling vehicles with LNG and for conducting trade settlement.
Among the prior art, the quantity of the inside machined part of LNG air entrainment machine insulation can is more, and inner structure is complicated, at the in-process of processing, will produce a large amount of welding mouths. After welding is finished, detection is required to be carried out according to the standard of 'NBT 47013-2015 pressure-bearing equipment nondestructive testing', the number of detection points is about 80, and the detection cost is high due to the large number of the detection points. In addition, still can lead to whole LNG to add the production cycle of mechanism of qi long, generally, production cycle is about 1 ~ 2 weeks, and production efficiency is low, and the manufacturing cost of whole equipment is high.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a LNG adds mechanism of qi insulation can structure to solve and exist among the prior art, LNG adds the inside machined part of mechanism of qi insulation can in large quantity, can produce a large amount of welded junctions man-hour, the welding back check point is many, and the detection cost is high, and the production cycle of whole equipment is long, and production efficiency is low.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
an LNG (liquefied Natural gas) dispenser heat-insulation box structure comprises a pump pool liquid inlet pipeline casting, a main liquid inlet pipeline casting, a DN25 pipeline casting I, a main liquid outlet pipeline casting, a DN25 pipeline casting II, a gas return pipeline casting, an LNG dispenser conveying pipeline casting, a DN15 pipeline casting I, a DN15 pipeline casting II, a DN15 pipeline casting III, a DN15 pipeline casting IV, a DN15 pipeline casting V and a DN15 pipeline casting VI;
the lower end of the pump pool liquid inlet pipeline casting is used for being connected with a pump pool liquid outlet, and the upper end of the pump pool liquid inlet pipeline casting is connected with the main liquid inlet pipeline casting; the liquid inlet end of the DN25 pipeline casting I is connected with the liquid outlet end of the main liquid inlet pipeline casting, the liquid outlet end of the DN25 pipeline casting I is connected with the liquid inlet end of the main liquid outlet pipeline casting, the liquid outlet end of the main liquid outlet pipeline casting is connected with the liquid inlet end of the DN25 pipeline casting II, and the liquid outlet end of the DN25 pipeline casting II is connected with the liquid inlet end of the main liquid inlet pipeline casting; the air return pipeline casting is connected with the bottom of the main liquid outlet pipeline casting;
one end of the LNG liquid adding machine conveying pipeline casting is connected with the middle position of the main liquid inlet pipeline casting, and the other end of the LNG liquid adding machine conveying pipeline casting is connected with the middle position of the main liquid outlet pipeline casting;
one end of a first DN15 pipeline casting, one end of a second DN15 pipeline casting and one end of a third DN15 pipeline casting are sequentially connected with a main liquid inlet pipeline casting, the other end of the first DN15 pipeline casting, the other end of the second DN15 pipeline casting and the other end of the third DN15 pipeline casting are sequentially connected with a main liquid outlet pipeline casting, and the first DN15 pipeline casting, the second DN15 pipeline casting and the third DN15 pipeline casting are arranged on one side of a conveying pipeline casting of an LNG liquid adding machine;
a DN25 stainless steel low-temperature jacket emergency cut-off valve I is connected to the DN25 pipeline casting I; a DN15 stainless steel low-temperature jacket check valve I is connected to the DN15 pipeline casting I; a DN15 stainless steel low-temperature jacket emergency cut-off valve I is connected to the DN15 pipeline casting II; a DN15 stainless steel low-temperature jacket check valve II is connected to the DN15 pipeline casting III;
one end of a DN15 pipeline casting four, one end of a DN15 pipeline casting five and one end of a DN15 pipeline casting six are sequentially connected with a main liquid inlet pipeline casting, the other end of a DN15 pipeline casting four, the other end of a DN15 pipeline casting five and the other end of a DN15 pipeline casting six are sequentially connected with a main liquid outlet pipeline casting, and the DN15 pipeline casting four, the DN15 pipeline casting five and the DN15 pipeline casting six are arranged on the other side of the LNG liquid adding machine conveying pipeline casting;
a DN25 stainless steel low-temperature jacket emergency cut-off valve II is connected to the DN25 pipeline casting II; a DN15 stainless steel low-temperature jacket check valve III is connected to the DN15 pipeline casting IV; a DN15 stainless steel low-temperature jacket emergency cut-off valve II is connected to the DN15 pipeline casting V; and a DN15 stainless steel low-temperature jacket check valve IV is connected to the DN15 pipeline casting VI.
Furthermore, a filter valve is connected to the pump pool liquid inlet pipeline casting.
Further, a first liquid outlet is formed in an extension pipeline at the liquid outlet end of the main liquid outlet pipeline casting and is used for being connected with a liquid outlet of the gas dispenser;
and a second liquid outlet is formed in the extension pipeline at the liquid inlet end of the DN25 pipeline casting, and the second liquid outlet is used for being connected with a liquid outlet of the gas dispenser.
Furthermore, a reserved opening is formed in the liquid inlet end of the main liquid inlet pipeline casting.
Furthermore, a first stainless steel band neck protruding surface butt welding flange is connected to an extension pipeline at a liquid inlet end of the DN25 pipeline casting through a square connecting block;
the extension pipeline at the liquid outlet end of the DN25 pipeline casting II is connected with a stainless steel band neck convex surface butt welding flange II through a square connecting block II;
the first stainless steel band neck convex surface butt welding flange and the second stainless steel band neck convex surface butt welding flange are arranged correspondingly.
Furthermore, an extension pipeline at the liquid outlet end of the DN25 pipeline casting is connected with a stainless steel strip neck convex surface butt welding flange III through a square connecting block III;
an extension pipeline at the liquid inlet end of the DN25 pipeline casting II is connected with a stainless steel band neck convex surface butt welding flange IV through a square connecting block IV;
the third stainless steel band neck convex surface butt welding flange and the fourth stainless steel band neck convex surface butt welding flange are arranged correspondingly.
Compared with the prior art, LNG adds mechanism of qi insulation can structure have following advantage:
the utility model discloses a pump pond liquid inlet pipeline casting, main liquid inlet pipeline casting, DN25 pipeline casting one, main liquid outlet pipeline casting, DN25 pipeline casting two, return air pipeline casting, LNG liquid adding machine conveying pipeline casting, DN15 pipeline casting one, DN15 pipeline casting two, DN15 pipeline casting three, DN15 pipeline casting four, DN15 pipeline casting five and DN15 pipeline casting six are connected with each other, and through a plurality of DN25 stainless steel low temperature jacket emergency cut-off valves, DN15 stainless steel low temperature jacket check valve, the setting of DN15 stainless steel low temperature jacket emergency cut-off valve, compare prior art, this application has reduced the customization processing of a large amount of machined parts, ensure that the effectual control of spare part kind is on several kinds of standard foundry goods products, the check point is about 40 multichannel, the detection volume that has significantly reduced, the production cycle of whole LNG gas filling machine is about in 1 week, and the production efficiency is improved, and the manufacturing cost is saved.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural view of the upper position of the heat preservation box of the LNG dispenser according to the embodiment of the present invention;
fig. 2 is a schematic structural view of the lower position of the heat preservation box of the LNG dispenser according to the embodiment of the present invention;
fig. 3 is a top view of the LNG dispenser heat preservation box according to the embodiment of the present invention.
Description of reference numerals:
101-pump pool liquid inlet pipeline casting; 102-main inlet conduit casting;
103-DN25 pipe casting one; 104-main liquid outlet pipeline casting;
105-DN25 pipe casting two; 106-return air duct casting;
107-LNG liquid adding machine conveying pipeline casting; 108-DN15 pipe casting one;
109-DN15 pipe casting two; 110-DN15 pipe casting III;
a fourth 111-DN15 pipe casting; 112-DN15 pipe casting five;
113-DN15 pipe casting six;
114-DN25 stainless steel low-temperature jacket emergency cut-off valve I;
115-DN15 stainless steel low-temperature jacket check valve I;
116-DN15 stainless steel low-temperature jacket emergency cut-off valve I;
117-DN15 stainless steel low-temperature jacket check valve II;
118-DN25 stainless steel low-temperature jacket emergency cut-off valve II;
119-DN15 stainless steel low-temperature jacket check valve III;
a second emergency cut-off valve of a 120-DN15 stainless steel low-temperature jacket;
a check valve IV of a 121-DN15 stainless steel low-temperature jacket; 122-a filter valve;
123-a first liquid outlet; 124-liquid outlet II;
125-reserved port; 126-a square connecting block I;
127-welding the first welding flange with the convex neck surface of the stainless steel band; 128-square connecting block two;
129-welding a second welding flange with a convex surface of a stainless steel band neck; 130-square connecting block III;
the protruding surface of the neck of the stainless steel band is welded to the welding flange III by 131; 132-square connecting block four;
133-stainless steel band neck projection face to weld flange four.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being 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", etc. 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, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; 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 by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1-3, the utility model provides a LNG adds mechanism of qi insulation can structure, including pump sump inlet pipe casting 101, main inlet pipe casting 102, DN25 pipeline casting 103, main liquid outlet pipe casting 104, DN25 pipeline casting two 105, return air pipeline casting 106, LNG liquid adding machine delivery pipe casting 107, DN15 pipeline casting one 108, DN15 pipeline casting two 109, DN15 pipeline casting three 110, DN15 pipeline casting four 111, DN15 pipeline casting five 112 and DN15 pipeline casting six 113;
the lower end of the pump pool liquid inlet pipeline casting 101 is used for being connected with a pump pool liquid outlet, and the upper end of the pump pool liquid inlet pipeline casting 101 is connected to the main liquid inlet pipeline casting 102; the liquid inlet end of a DN25 pipeline casting I103 is connected with the liquid outlet end of a main liquid inlet pipeline casting 102, the liquid outlet end of a DN25 pipeline casting I103 is connected with the liquid inlet end of a main liquid outlet pipeline casting 104, the liquid outlet end of the main liquid outlet pipeline casting 104 is connected with the liquid inlet end of a DN25 pipeline casting II 105, and the liquid outlet end of a DN25 pipeline casting II 105 is connected with the liquid inlet end of the main liquid inlet pipeline casting 102; the return air pipe casting 106 is connected with the bottom of the main liquid outlet pipe casting 104; the return air line casting 106 returns to the storage tank.
One end of the LNG liquid adding machine conveying pipeline casting 107 is connected with the middle position of the main liquid inlet pipeline casting 102, and the other end of the LNG liquid adding machine conveying pipeline casting 107 is connected with the middle position of the main liquid outlet pipeline casting 104;
one end of a DN15 pipeline casting I108, one end of a DN15 pipeline casting II 109 and one end of a DN15 pipeline casting III 110 are sequentially connected with the main liquid inlet pipeline casting 102, the other end of the DN15 pipeline casting I108, the other end of the DN15 pipeline casting II 109 and the other end of the DN15 pipeline casting III 110 are sequentially connected with the main liquid outlet pipeline casting 104, and the DN15 pipeline casting I108, the DN15 pipeline casting II 109 and the DN15 pipeline casting III 110 are arranged on one side of the right side of the LNG liquid adding machine conveying pipeline casting 107;
a DN25 stainless steel low-temperature jacket emergency cut-off valve I114 is connected to the DN25 pipeline casting I103; a DN15 stainless steel low-temperature jacket check valve I115 is connected to the DN15 pipeline casting I108; a DN15 stainless steel low-temperature jacket emergency cut-off valve I116 is connected to the DN15 pipeline casting II 109; a DN15 stainless steel low-temperature jacket check valve II 117 is connected to the DN15 pipeline casting III 110;
one end of a DN15 pipeline casting four 111, one end of a DN15 pipeline casting five 112 and one end of a DN15 pipeline casting six 113 are sequentially connected to the main liquid inlet pipeline casting 102, the other end of the DN15 pipeline casting four 111, the other end of the DN15 pipeline casting five 112 and the other end of the DN15 pipeline casting six 113 are sequentially connected to the main liquid outlet pipeline casting 104, and the DN15 pipeline casting four 111, the DN15 pipeline casting five 112 and the DN15 pipeline casting six 113 are arranged on one side of the left side of the LNG liquid adding machine conveying pipeline casting 107;
a DN25 stainless steel low-temperature jacket emergency cut-off valve II 118 is connected to the DN25 pipeline casting II 105; DN15 stainless steel low-temperature jacket check valve III 119 is connected to DN15 pipeline casting IV 111; a DN15 stainless steel low-temperature jacket emergency cut-off valve II 120 is connected to the DN15 pipeline casting fifth 112; DN15 stainless steel low-temperature jacket check valve IV 121 is connected to DN15 pipeline casting VI 113.
Further, a filter valve 122 is connected to the pump pool liquid inlet pipe casting 101. The impurities in the liquid are filtered using the filter valve 122.
Further, a first liquid outlet 123 is arranged on the extension pipe at the liquid outlet end of the main liquid outlet pipe casting 104, and the first liquid outlet 123 is used for being connected with a liquid outlet of the gas dispenser;
a second liquid outlet 124 is arranged on an extension pipeline at the liquid inlet end of the DN25 pipeline casting I103, and the second liquid outlet 124 is used for being connected with a liquid outlet of the gas dispenser.
Further, a reserve port 125 is provided at the inlet end of the main inlet pipe casting 102.
Furthermore, an extension pipeline at the liquid inlet end of the DN25 pipeline casting I103 is connected with a stainless steel strip neck protruding surface butt welding flange I127 through a square connecting block I126;
the extension pipeline at the liquid outlet end of the DN25 pipeline casting II 105 is connected with a stainless steel strip neck convex surface butt welding flange II 129 through a square connecting block II 128;
the first stainless steel band neck flange butt welding flange 127 and the second stainless steel band neck flange butt welding flange 129 are arranged correspondingly. And a flow meter is arranged between the first stainless steel band neck flange butt welding flange 127 and the second stainless steel band neck flange butt welding flange 129.
Furthermore, an extension pipeline at the liquid outlet end of the DN25 pipeline casting I103 is connected with a stainless steel strip neck convex surface butt welding flange III 131 through a square connecting block III 130;
the extension pipeline at the liquid inlet end of the DN25 pipeline casting II 105 is connected with a stainless steel strip neck convex surface butt welding flange IV 133 through a square connecting block IV 132;
the third stainless steel band neck flange and the fourth stainless steel band neck flange are arranged correspondingly to the fourth welding flange 133. And a flow meter is arranged between the stainless steel band neck convex surface butt welding flange III 131 and the stainless steel band neck convex surface butt welding flange IV 133.
The square connecting block can deform 90 degrees and is convenient to connect.
By adopting the casting connecting structure, the internal structure is simple in design, customized processing of a large number of workpieces is reduced, and types of parts are effectively controlled on casting products of several standards; the number of detection points is about 40, compared with the prior art, the number of detection points is reduced by half, and the detection amount is greatly reduced; the production cycle of whole LNG dispenser is about 1 week in, compares prior art, and production cycle reduces half, has improved production efficiency, has practiced thrift manufacturing cost.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a LNG adds mechanism of qi insulation can structure which characterized in that: the device comprises a pump pool liquid inlet pipeline casting (101), a main liquid inlet pipeline casting (102), a DN25 pipeline casting I (103), a main liquid outlet pipeline casting (104), a DN25 pipeline casting II (105), an air return pipeline casting (106), an LNG liquid adding machine conveying pipeline casting (107), a DN15 pipeline casting I (108), a DN15 pipeline casting II (109), a DN15 pipeline casting III (110), a DN15 pipeline casting IV (111), a DN15 pipeline casting V (112) and a DN15 pipeline casting VI (113);
the lower end of the pump pool liquid inlet pipeline casting (101) is used for being connected with a pump pool liquid outlet, and the upper end of the pump pool liquid inlet pipeline casting (101) is connected with the main liquid inlet pipeline casting (102); the liquid inlet end of the DN25 pipeline casting I (103) is connected with the liquid outlet end of the main liquid inlet pipeline casting (102), the liquid outlet end of the DN25 pipeline casting I (103) is connected with the liquid inlet end of the main liquid outlet pipeline casting (104), the liquid outlet end of the main liquid outlet pipeline casting (104) is connected with the liquid inlet end of the DN25 pipeline casting II (105), and the liquid outlet end of the DN25 pipeline casting II (105) is connected with the liquid inlet end of the main liquid inlet pipeline casting (102); the air return pipeline casting (106) is connected with the bottom of the main liquid outlet pipeline casting (104);
one end of the LNG liquid adding machine conveying pipeline casting (107) is connected with the middle position of the main liquid inlet pipeline casting (102), and the other end of the LNG liquid adding machine conveying pipeline casting (107) is connected with the middle position of the main liquid outlet pipeline casting (104);
one end of the DN15 pipeline casting I (108), one end of the DN15 pipeline casting II (109) and one end of the DN15 pipeline casting III (110) are sequentially connected to the main liquid inlet pipeline casting (102), the other end of the DN15 pipeline casting I (108), the other end of the DN15 pipeline casting II (109) and the other end of the DN15 pipeline casting III (110) are sequentially connected to the main liquid outlet pipeline casting (104), and the DN15 pipeline casting I (108), the DN15 pipeline casting II (109) and the DN15 pipeline casting III (110) are arranged on one side of the LNG liquid adding machine conveying pipeline casting (107);
a DN25 stainless steel low-temperature jacket emergency cut-off valve I (114) is connected to the DN25 pipeline casting I (103); a DN15 stainless steel low-temperature jacket check valve I (115) is connected to the DN15 pipeline casting I (108); a DN15 stainless steel low-temperature jacket emergency cut-off valve I (116) is connected to the DN15 pipeline casting II (109); a DN15 stainless steel low-temperature jacket check valve II (117) is connected to the DN15 pipeline casting III (110);
one end of the DN15 pipeline casting four (111), one end of the DN15 pipeline casting five (112) and one end of the DN15 pipeline casting six (113) are sequentially connected to the main liquid inlet pipeline casting (102), the other end of the DN15 pipeline casting four (111), the other end of the DN15 pipeline casting five (112) and the other end of the DN15 pipeline casting six (113) are sequentially connected to the main liquid outlet pipeline casting (104), and the DN15 pipeline casting four (111), the DN15 pipeline casting five (112) and the DN15 pipeline casting six (113) are arranged on the other side of the LNG liquid adding machine conveying pipeline casting (107);
a DN25 stainless steel low-temperature jacket emergency cut-off valve II (118) is connected to the DN25 pipeline casting II (105); a DN15 stainless steel low-temperature jacket check valve III (119) is connected to the DN15 pipeline casting IV (111); a DN15 stainless steel low-temperature jacket emergency cut-off valve II (120) is connected to the DN15 pipeline casting fifth (112); and a DN15 stainless steel low-temperature jacket check valve IV (121) is connected to the DN15 pipeline casting VI (113).
2. The LNG dispenser insulation can structure of claim 1, characterized in that: and a filter valve (122) is connected to the pump pool liquid inlet pipeline casting (101).
3. The LNG dispenser insulation can structure of claim 2, characterized in that: a first liquid outlet (123) is arranged on an extension pipeline at the liquid outlet end of the main liquid outlet pipeline casting (104), and the first liquid outlet (123) is used for being connected with a liquid outlet of the gas dispenser;
DN25 pipeline casting one (103) is equipped with liquid outlet two (124) on the extension pipeline of liquid inlet end, liquid outlet two (124) are used for being connected with the liquid outlet of air entrainment machine.
4. The LNG dispenser insulation can structure of claim 3, characterized in that: and a reserved opening (125) is formed in the liquid inlet end of the main liquid inlet pipeline casting (102).
5. The LNG dispenser insulation can structure of claim 4, characterized in that: an extension pipeline at the liquid inlet end of the DN25 pipeline casting I (103) is connected with a stainless steel strip neck raised surface butt welding flange I (127) through a square connecting block I (126);
the extension pipeline at the liquid outlet end of the DN25 pipeline casting II (105) is connected with a stainless steel strip neck convex surface butt welding flange II (129) through a square connecting block II (128);
the stainless steel band neck convex surface butt welding flange I (127) and the stainless steel band neck convex surface butt welding flange II (129) are arranged correspondingly.
6. The LNG dispenser insulation can structure of claim 5, characterized in that: an extension pipeline at the liquid outlet end of the DN25 pipeline casting I (103) is connected with a stainless steel strip neck convex surface butt welding flange III (131) through a square connecting block III (130);
an extension pipeline at the liquid inlet end of the DN25 pipeline casting II (105) is connected with a stainless steel strip neck convex surface butt welding flange IV (133) through a square connecting block IV (132);
the third stainless steel band neck convex surface butt welding flange (131) and the fourth stainless steel band neck convex surface butt welding flange (133) are arranged correspondingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121187598.1U CN215000955U (en) | 2021-05-31 | 2021-05-31 | LNG adds mechanism of qi insulation can structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121187598.1U CN215000955U (en) | 2021-05-31 | 2021-05-31 | LNG adds mechanism of qi insulation can structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215000955U true CN215000955U (en) | 2021-12-03 |
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ID=79088382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202121187598.1U Active CN215000955U (en) | 2021-05-31 | 2021-05-31 | LNG adds mechanism of qi insulation can structure |
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| Country | Link |
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| CN (1) | CN215000955U (en) |
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2021
- 2021-05-31 CN CN202121187598.1U patent/CN215000955U/en active Active
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