CN217714532U - Steel cylinder equipment - Google Patents
Steel cylinder equipment Download PDFInfo
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- CN217714532U CN217714532U CN202220659661.5U CN202220659661U CN217714532U CN 217714532 U CN217714532 U CN 217714532U CN 202220659661 U CN202220659661 U CN 202220659661U CN 217714532 U CN217714532 U CN 217714532U
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- bottle
- equipment
- wear
- steel
- steel cylinder
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 113
- 239000010959 steel Substances 0.000 title claims abstract description 113
- 239000011241 protective layer Substances 0.000 claims description 38
- 239000010410 layer Substances 0.000 claims description 36
- 239000003973 paint Substances 0.000 claims description 22
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 14
- 239000007769 metal material Substances 0.000 claims description 4
- 230000002401 inhibitory effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 23
- 238000012423 maintenance Methods 0.000 abstract description 11
- 238000005299 abrasion Methods 0.000 abstract description 10
- 239000002699 waste material Substances 0.000 abstract description 6
- 230000002829 reductive effect Effects 0.000 abstract description 5
- 238000000576 coating method Methods 0.000 description 24
- 238000000034 method Methods 0.000 description 23
- 239000011248 coating agent Substances 0.000 description 22
- 208000035874 Excoriation Diseases 0.000 description 9
- 230000000694 effects Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 239000002216 antistatic agent Substances 0.000 description 8
- 238000005507 spraying Methods 0.000 description 8
- 230000003068 static effect Effects 0.000 description 6
- 238000005253 cladding Methods 0.000 description 5
- 230000002411 adverse Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000002791 soaking Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 230000001680 brushing effect Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007591 painting process Methods 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012745 toughening agent Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a steel bottle equipment, the bottle comprises a bottle body, the surface of bottle is provided with wear-resisting antistatic protection layer. The anti-collision and anti-abrasion performance of the steel cylinder equipment is good, so that the steel cylinder equipment is more reliable and durable, unnecessary steel cylinder equipment is prevented from being scrapped, the resource waste is reduced, and the use and maintenance cost of the steel cylinder equipment is saved. The utility model also discloses a manufacturing method for this steel bottle equipment.
Description
Technical Field
The utility model relates to a supporting technical field that resistance to wears of steel bottle equipment, in particular to steel bottle equipment.
Background
The steel cylinder is a device for storing liquefied gas and other gases, and is widely applied to the field of storage and transportation of high-pressure gases such as liquefied gas due to simple structure and convenient storage and transportation.
At present, steel cylinder equipment on the market has various styles, and the steel cylinders can cause abrasion and collision of the steel cylinder body in different degrees in the processes of use, filling, storage and transportation. The steel cylinders are distinguished according to types, so that different inspection periods and different scrapping years can be generated, and unqualified steel cylinders in the inspection can be scrapped, so that resource waste is caused.
At present, no effective pertinence measure is provided for daily breaking, abrasion and the like of steel cylinder equipment in the field. Usually, a simple painting process is performed only on the outer surface of the steel cylinder.
However, the processing of spraying paint to the steel bottle surface above-mentioned can only reach most basic rust-resistant function, and is few with the effect of preventing colliding with the abrasionproof that steel bottle equipment decreases, causes apparent lacquer painting to drop because of colliding with very easily in the transportation of steel bottle equipment moreover, and this can make the apparent rust-resistant effect of steel bottle discount greatly, causes adverse effect for the overall structure reliability and the life of steel bottle equipment.
Therefore, how to improve the anti-collision and anti-abrasion performance of the steel cylinder equipment, the steel cylinder equipment is more reliable and durable, unnecessary steel cylinder equipment is prevented from being scrapped, the resource waste is reduced, and the use and maintenance cost of the steel cylinder equipment is saved, which is an important technical problem to be solved by technical personnel in the field at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a steel bottle equipment, this steel bottle equipment prevent colliding with the abrasionproof decreases the performance better for this steel bottle equipment is more reliable durable, avoids unnecessary steel bottle equipment to scrap, reduces the wasting of resources, practices thrift the use and the maintenance cost of steel bottle equipment.
In order to solve the technical problem, the utility model provides a steel bottle equipment, the bottle comprises a bottle body, the surface of bottle is provided with wear-resisting antistatic protection layer.
Preferably, the bottle body comprises a bottle neck, a bottle shoulder, a bottle body, a bottle skirt and a base which are sequentially arranged from top to bottom, and the wear-resistant anti-static protective layer is arranged on the outer surface of the bottle shoulder and/or the outer surface of the bottle skirt in an aligning manner.
Preferably, the outer surfaces of the bottle neck, the bottle body and the base are provided with wear-resistant and anti-static protective layers.
Preferably, the outer surfaces of the bottle neck, the bottle body and the base are provided with antirust paint layers.
Preferably, the joint of the anti-rust paint layer and the wear-resistant anti-static protective layer is tightly attached.
Preferably, the middle part of the bottle neck is provided with an operation cavity capable of accommodating a bottle valve, and the inner wall of the operation cavity is provided with the wear-resistant anti-static protective layer.
Preferably, the wear-resistant anti-static protective layer is a non-metallic material layer.
The utility model also provides a steel bottle equipment processing manufacturing method for as above arbitrary steel bottle equipment, including the step:
prefabricating a steel cylinder, and processing and manufacturing a cylinder body of the steel cylinder equipment by using steel through mould forming equipment;
and (3) coating the protective layer, namely coating the corresponding part of the outer surface of the bottle body by using a wear-resistant anti-static material through any one or more processes of spraying, adsorption, sticking, soaking and sheathing to form the wear-resistant anti-static protective layer.
Preferably, the step of covering the protective layer further comprises the following steps:
and coating the paint layer, namely coating the part which is not coated with the wear-resistant anti-static protective layer on the outer surface of the bottle body by using the anti-rust paint through any one or more processes of spraying, adsorbing or brushing.
Preferably, in the step of coating the paint layer, the anti-rust paint layer is tightly attached to the wear-resistant anti-static protective layer to form seamless coating on the outer surface of the bottle body.
Compared with the prior art, the utility model provides a steel bottle equipment, in its operation use, through arranging the wear-resisting anti-static protective layer on the bottle surface, can provide sufficient reliable structural protection for the bottle, avoid in steel bottle equipment warehousing and transportation and the relevant operation process, because of colliding with or other rigid contact to the damage and other adverse effects that the bottle caused, effectively guarantee the leakproofness of bottle, make steel bottle equipment is more reliable durable, avoids unnecessary steel bottle equipment to scrap, reduces the wasting of resources, practices thrift the use and the maintenance cost of steel bottle equipment, effectively prevents simultaneously produce electrostatic phenomenon in the steel bottle equipment use, improves the operational safety nature of steel bottle equipment.
The utility model also provides a steel bottle equipment processing manufacturing method for above-mentioned steel bottle equipment, it is through steps such as prefabricated steel bottle and inoxidizing coating cladding of implementing in proper order, with wear-resisting prevent that the reliable cladding of static material is in the corresponding position department of the surface of bottle, form wear-resisting prevent the static protective layer, thereby realized possessing the higher high-efficient production manufacturing of the steel bottle equipment of preventing colliding with and wear resistance, the steel bottle equipment that makes to produce is durable more, be difficult for producing the damage and then producing unnecessary and scrapping because of colliding with, reduce the wasting of resources, practice thrift the use and the maintenance cost of steel bottle equipment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front view of a steel cylinder apparatus according to an embodiment of the present invention;
FIG. 2 is a partially enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged partial schematic view of a portion of the working chamber of FIG. 1;
FIG. 4 is a flow chart of a method for manufacturing a steel cylinder according to an embodiment of the present invention;
fig. 5 is a flow chart of a method for manufacturing a steel cylinder device according to another embodiment of the present invention.
Wherein,
11-a bottle body;
111-bottleneck;
112-shoulder of the bottle;
113-a bottle body;
114-skirt;
115-a base;
116-an operating chamber;
117-cylinder valve;
121-a wear-resistant antistatic protective layer;
122-antirust paint layer.
Detailed Description
The core of the utility model is to provide a steel bottle equipment, this steel bottle equipment prevent collide with the abrasionproof decreases the performance better for this steel bottle equipment is more reliable durable, avoids unnecessary steel bottle equipment to scrap, reduces the wasting of resources, practices thrift the use and the maintenance cost of steel bottle equipment.
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.
In a specific embodiment, the present invention provides a steel bottle device, which comprises a bottle body 11, wherein a wear-resistant anti-static protection layer 121 is disposed on the outer surface of the bottle body 11.
In the operation and use process, the wear-resistant anti-static protective layer 121 arranged on the outer surface of the bottle body 11 can provide sufficient and reliable structural protection for the bottle body 11, so that the damage and other adverse effects to the bottle body 11 caused by collision or other rigid contact in the storage and transportation and related operation processes of the steel cylinder equipment are avoided, the sealing property of the bottle body 11 is effectively ensured, the steel cylinder equipment is more reliable and durable, unnecessary steel cylinder equipment is prevented from being scrapped, the resource waste is reduced, the use and maintenance cost of the steel cylinder equipment is saved, meanwhile, the static phenomenon generated in the use process of the steel cylinder equipment is effectively prevented, and the operation safety of the steel cylinder equipment is improved.
It should be noted that the wear-resistant anti-static protection layer 121 may be formed by any one or more processes of spraying, adsorbing, adhering, soaking and sheathing, and the wear-resistant anti-static material is reliably coated on the outer surface of the bottle body 11, and the specific process manner may be flexibly selected and adjusted according to the actual working condition requirements, and in principle, any process may be used as long as the bonding strength between the wear-resistant anti-static protection layer 121 and the bottle body 11 can be ensured and the actual application requirements of the steel bottle equipment can be met.
On the basis, it should be particularly pointed out that, regarding the specific material of the wear-resistant anti-static protective layer 121 mentioned in the present embodiment, considering the process difficulty, the production efficiency and other factors, the specific material may be a two-component epoxy resin composite material to which materials such as an anti-rust filler, an insulating filler, a toughening agent and the like are correspondingly added.
On the other hand, considering that the actual application needs are different under different working conditions, for general working conditions, the material performance parameters of the wear-resistant and anti-static protective layer 121 in the present embodiment should satisfy a wear-resistant and anti-static material with a water absorption rate of less than 0.01, a hardness of preferably 60HSD, a tensile strength of more than 21Mpa, a bending strength of more than 19Mpa, and a use temperature of-50 ℃ to 120 ℃. Specifically, the wear-resistant anti-static material can be a polyethylene material meeting the above physicochemical property parameters or other high molecular materials and engineering plastics meeting the above physicochemical property requirements. Of course, in practical application, the worker may also flexibly adjust and select the specific material type of the wear-resistant anti-static protection layer 121 and the corresponding physical and chemical performance parameters thereof according to the specific working condition requirements, and in principle, the wear-resistant anti-static protection layer can meet the practical application requirements of the steel cylinder 11.
In addition, it should be noted that, in a general case, the bottle body 11 includes a bottle neck 111, a bottle shoulder 112, a bottle body 113, a bottle skirt 114, and a base 115, which are sequentially arranged from top to bottom, and in consideration of a general working environment, the bottle shoulder 112 and the bottle skirt 114 of the bottle body 11 have a high probability of being broken and impacted, and a high abrasion risk, and therefore, the abrasion-resistant and anti-static protection layer 121 is preferably disposed on the outer surface of the bottle shoulder 112 and/or the outer surface of the bottle skirt 114 in an aligned manner, so as to ensure that a portion of the bottle body 11 that is easily abraded due to being broken is reliably protected structurally, and also effectively reduce the overall protection cost of the bottle body 11, and avoid a situation of too high processing cost due to the abrasion-resistant and anti-static protection layer 121 covering the entire outer surface of the bottle body 11, thereby further saving the production and use costs of the steel bottle equipment.
Further, the outer surfaces of the bottle neck 111, the bottle body 113 and the base 115 are provided with a rust-proof paint layer 122. In general, the structural impact on the outer surfaces of the bottleneck 111, the body 113, and the base 115 in the daily use of the steel cylinder device is small, and the risk of being broken and worn is low, so that the parts of the bottle body 11 are subjected to basic rust prevention treatment by using the rust-proof paint layer 122, and the use requirement of the steel cylinder device under most working conditions can be ensured, so as to further optimize the processing and use cost of the steel cylinder device.
In fact, the bottle body 11 except for the shoulder 112 and skirt 114 is only coated with the rust-proof paint layer 122 to meet the operation requirements in most cases. Nevertheless, to the higher operating mode of abrasionproof loss and the higher operating mode of the demand of preventing colliding with, or under the comparatively abominable circumstances of application environment of steel bottle equipment, also can set up wear-resisting antistatic protection layer 121 on the surface of bottleneck 111, body 113 and base 115 to implement the whole cladding of wear-resisting antistatic protection layer 121 to the whole surface of bottle 11, fully guarantee with this the wear-resisting and the anti-collision performance of bottle 11 and each major structure position of steel bottle equipment, improve the whole operating mode adaptability and the life of steel bottle equipment, avoid steel bottle equipment to scrap.
Furthermore, the joint of the anti-rust paint layer 122 and the wear-resistant anti-static protective layer 121 is tightly attached. In actual operation, the coating process of the anti-rust paint layer 122, such as spraying and painting, and the coating process of the wear-resistant anti-static protective layer 121 may be locally performed according to actual working conditions to form a modular batch operation, which requires that the joint between two adjacent coating areas needs to be closely attached to avoid the bottle body 11 from directly contacting with the external environment through the joint, so as to prevent the bottle body 11 from rusting or being worn. Particularly, the joint between the anti-corrosive paint layer 122 and the wear-resistant anti-static protective layer 121 should be paid attention to ensure close adhesion and tight and reliable coating structure, so that the anti-corrosive paint layer 122 and the wear-resistant anti-static protective layer 121 cooperate with each other to form sufficient structural protection for the bottle body 11 coated inside.
It should be noted that the wear-resistant and anti-static protective layer 121 is a non-metallic material layer. The non-metallic material has good molding effect and is easy to attach to the outer surface of the bottle body 11, so that the bonding strength between the wear-resistant anti-static protective layer 121 and the bottle body 11 can be further improved, and the overall coating effect and the structural protection effect are ensured.
On the other hand, the middle part of the bottle neck 111 has an operation chamber 116 capable of accommodating the bottle valve 117, and a wear-resistant and antistatic protection layer 121 is disposed on the inner wall of the operation chamber 116. In the practical operation and use of the steel cylinder equipment, the cylinder valve 117 belongs to a component with higher operation frequency, so that the operation cavity 116 where the cylinder valve 117 is located is also a part with higher abrasion probability, and correspondingly, the inner wall of the operation cavity 116 is correspondingly provided with the abrasion-resistant and anti-static protection layer 121, so that the abrasion resistance and the anti-collision performance of the operation cavity 116 can be obviously improved, static electricity can be effectively prevented from being generated, and the operation safety of the cylinder valve 117 in the operation processes of opening and closing and the like is ensured.
In a specific embodiment, the present invention provides a method for manufacturing a steel cylinder device, which is used for the steel cylinder device, comprising:
s101, prefabricating a steel cylinder:
the cylinder body 11 of the steel cylinder device is manufactured by processing steel through the die forming device.
S102, coating by a protective layer:
the wear-resistant and anti-static protective layer 121 is formed by coating a corresponding portion of the outer surface of the bottle body 11 with a wear-resistant and anti-static material through any one or more processes of spraying, adsorbing, sticking, soaking and sheathing.
According to the method for processing and manufacturing the steel cylinder equipment, the wear-resistant anti-static material is reliably coated on the corresponding part of the outer surface of the bottle body 11 through the steps of sequentially implementing the coating of the prefabricated steel cylinder and the protective layer and the like to form the wear-resistant anti-static protective layer 121, so that the high-efficiency production and manufacturing of the steel cylinder equipment with high anti-collision and wear-resistant performances are realized, the manufactured steel cylinder equipment is more durable, the steel cylinder equipment is not easily damaged due to collision and then unnecessary scrapping is generated, the resource waste is reduced, and the use and maintenance cost of the steel cylinder equipment is saved.
In another embodiment, the present invention provides a method for manufacturing a steel cylinder device, which is used for the steel cylinder device, and includes:
s201, prefabricating a steel cylinder:
the cylinder body 11 of the steel cylinder device is manufactured by processing steel through the die forming device.
It should be clear that, for the processing and forming of the bottle body 11, the processing and manufacturing process of the bottle body 11 in the prior art can be directly referred to, and in principle, as long as the reliable forming of the bottle body 11 can be realized, the technical details in this scheme are not further improved, and the process means in the prior art can be directly referred to and selected, and will not be described again.
S202, coating by a protective layer:
the wear-resistant and anti-static protective layer 121 is formed by coating a corresponding portion of the outer surface of the bottle body 11 with a wear-resistant and anti-static material through any one or more processes of spraying, adsorbing, sticking, soaking and sheathing.
S203, coating with a paint layer:
the anti-rust paint layer 122 is formed by coating the anti-rust paint on the outer surface of the bottle body 11 at the position not coated with the wear-resistant anti-static protective layer 121 through any one or more of spraying, adsorbing or brushing.
More specifically, in the above step of coating, the anti-rust paint layer 122 and the wear-resistant anti-static protection layer 121 are tightly attached to form a seamless coating on the outer surface of the bottle body 11
According to the method for processing and manufacturing the steel cylinder equipment, the wear-resistant anti-static material is reliably coated on the corresponding part of the outer surface of the bottle body 11 through the steps of prefabricating the steel cylinder, coating the protective layer, coating the paint layer and the like which are sequentially implemented, so that the wear-resistant anti-static protective layer 121 is formed, efficient production and manufacturing of the steel cylinder equipment with high anti-collision and wear-resistant performances are realized, the manufactured steel cylinder equipment is more durable, damage caused by collision is not easy to generate, unnecessary scrapping is further generated, resource waste is reduced, and the use and maintenance cost of the steel cylinder equipment is saved.
To sum up, the utility model provides a steel bottle equipment, in its operation and use, through arranging the wear-resisting antistatic protection layer on the external surface of the bottle, can provide sufficient reliable structural protection for the bottle, avoid in steel bottle equipment warehousing and transportation and the relevant operation process, because of colliding with or other rigid contact to the damage and other adverse effects that the bottle caused, effectively guarantee the leakproofness of bottle, make steel bottle equipment is more reliable and durable, avoids unnecessary steel bottle equipment to scrap, reduces the wasting of resources, practices thrift the use and the maintenance cost of steel bottle equipment, effectively prevents simultaneously produce electrostatic phenomenon in the steel bottle equipment use, improves the operational safety nature of steel bottle equipment.
Additionally, the utility model provides a manufacturing method for this steel bottle equipment, it is through steps such as prefabricated steel bottle and inoxidizing coating cladding of implementing in proper order, with wear-resisting prevent that the reliable cladding of static material is in the corresponding position department of the surface of bottle, form wear-resisting prevent static protective layer, the high-efficient production manufacturing who possesses the steel bottle equipment of higher anti-collision and wear resistance can has been realized with this, make the steel bottle equipment that produces durable more, be difficult for producing because of colliding with to damage and then produce unnecessary and scrap, reduce the wasting of resources, practice thrift the use and the maintenance cost of steel bottle equipment.
The steel cylinder equipment and the processing and manufacturing method for the steel cylinder equipment provided by the utility model are described in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above description of the embodiments is only used to help understand the method and its core idea of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (6)
1. The steel cylinder equipment is characterized by comprising a cylinder body, wherein a wear-resistant anti-static protective layer is arranged on the outer surface of the cylinder body;
the bottle body comprises a bottle neck, a bottle shoulder, a bottle body, a bottle skirt and a base which are sequentially arranged from top to bottom, and the wear-resistant anti-static protective layer is arranged on the outer surface of the bottle shoulder and/or the outer surface of the bottle skirt in an opposite position.
2. The cylinder apparatus of claim 1, wherein the outer surfaces of the neck, body, and base are provided with a wear-resistant, anti-static protective layer.
3. The cylinder apparatus of claim 1, wherein the outer surfaces of the neck, body, and base are provided with a layer of rust inhibiting paint.
4. The cylinder apparatus of claim 3, wherein the joint of the anti-rust paint layer and the wear-resistant anti-static protective layer is tightly attached.
5. The cylinder apparatus as claimed in claim 1, wherein the middle portion of the bottle neck has an operation chamber capable of accommodating a cylinder valve, and the inner wall of the operation chamber is provided with the wear-resistant and anti-static protective layer.
6. The cylinder apparatus of claim 1, wherein the wear-resistant, anti-static protective layer is a non-metallic material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220659661.5U CN217714532U (en) | 2022-03-24 | 2022-03-24 | Steel cylinder equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220659661.5U CN217714532U (en) | 2022-03-24 | 2022-03-24 | Steel cylinder equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217714532U true CN217714532U (en) | 2022-11-01 |
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ID=83791066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220659661.5U Active CN217714532U (en) | 2022-03-24 | 2022-03-24 | Steel cylinder equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217714532U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542950A (en) * | 2022-03-24 | 2022-05-27 | 多立恒（北京）能源技术股份公司 | Steel cylinder equipment and processing and manufacturing method thereof |
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2022
- 2022-03-24 CN CN202220659661.5U patent/CN217714532U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542950A (en) * | 2022-03-24 | 2022-05-27 | 多立恒（北京）能源技术股份公司 | Steel cylinder equipment and processing and manufacturing method thereof |
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