CN2228174Y - Steel seamless gas cylinder with tubular concave bottom - Google Patents
Steel seamless gas cylinder with tubular concave bottom Download PDFInfo
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- CN2228174Y CN2228174Y CN 95220378 CN95220378U CN2228174Y CN 2228174 Y CN2228174 Y CN 2228174Y CN 95220378 CN95220378 CN 95220378 CN 95220378 U CN95220378 U CN 95220378U CN 2228174 Y CN2228174 Y CN 2228174Y
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- gas cylinder
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- bottle
- cylindrical shell
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Abstract
The utility model relates to a seamless steel gas cylinder which is composed of a cylinder cap, a cylinder valve, a cylinder port, a neck ring and a cylinder body. The utility model is characterized in that the cylinder body has a concave bottom structure, and the cylinder body with the concave bottom is composed of a cylinder shoulder, a barrel body and a concave convex cylinder bottom, wherein the cylinder bottom is inwards bent at an outer diameter to form an outwards convex ring body and is inwards concave towards the center of the barrel body to form an inwards concave body. The outwards convex ring body and the inwards concave body are in smoothly transitional connection into a whole with an outwards convex and inwards concave structure. The utility model has the advantages of simple structure, easy manufacture, convenient operation, small weight and capacity ratio, convenient periodic inspection of the gas cylinder and high safety. The utility model can be widely applied to electromechanical departments, metallurgy departments, chemical industry departments, aviation departments, light industry departments, scientific research departments, medical health departments, etc.
Description
The utility model relate to gas in a kind of mechanical engineering or liquid the storage field splendid attire or store the container of Permanent gas and liquid gas.
Seamless steel gas cylinder is generally used for splendid attire storing liquid gas, is that structure is light, safe in utilization and freight is low to its basic demand, and is especially all the more so in the storing of long distance.The steel seamless gas cylinder that many in the world countries produce often adopts Erhardt (being called for short ＂ E ＂ method) and Marnesman (being called for short ＂ M ＂ method) to make, wherein, ＂ E ＂ method is by making gas cylinder towards pulling out stretching through closing in steel billet heating back, be that bottle is pulled out in domestic alleged dashing, ＂ M ＂ method is with seamless steel pipe local heating two ends, pass through spinning, gas cylinder is made in closing in, it is domestic alleged glass tube vial, in the seamless steel gas cylinder that China produces all there be above-mentioned two kinds of methods, the seamless steel gas cylinder of most of manufacturer production pulls out bottle for dashing, the seamless steel gas cylinder of a few manufacturer production is a glass tube vial, Traditional regulation bottle structure pattern sees also shown in Figure 1, this glass tube vial is mainly by valve protection cap 1, cylinder valve 2, bottleneck 3, neck ring 4, bottle 5a and base 6 are formed, this bottle 5a is by shoulder 51a, cylindrical shell 52a and bottle end 53a form, wherein, the formation of bottle end 53a is that steel pipe one end is heated to forging temperature, fire end is spun into the shape of sphere or dish with the mode of spinning closing-in, promptly be configured as at the bottom of the convex, consider in use to require the demand easily of standing, again the base 6 of outer diameter part hot charging one circle of the bottle end 53a at the bottom of convex.The glass tube vial of this kind structure has following two drawbacks:
1. only stand for convenience and be provided with base 6, increased the overall weight of gas cylinder virtually, and then make and hold the described weight capacity ratio in back and increase, this is its significant disadvantage.
2. the place 61 that is fitted to each other of bottle end 53a and base 6 forms the dead angle, very easily gets rusty, and easily causes the corrosion of simplified 52 a and bottle 53 a of bottle 5a, and be difficult for detecting the corrosion degree of bottle 5a, has unsafe hidden danger.
Regulation according to Department of Labor 89 editions " gas cylinder safely supervision rules ", all kinds of gas cylinders all should be respectively per two by the medium difference of institute's splendid attire, three, carried out a third pary certification in 5 years, test basis GB13004 " seamless steel gas cylinder third pary certification and evaluation " standard is carried out, Interventions Requested comprise in this standard: visual examination, acoustic inspection, inner parts inspect, whorl of bottleneck is checked, weight and volume determination, the hydrostatic test, cylinder valve and air tightness test etc., wherein key project is the mensuration of the hydrostatic test and bottle design wall thickness, and in the visual examination content for wire, point-like is gone into the degree of planar corrosion, declare the abandoned tender standard and all made clearly regulation, and differentiate by measuring wall thickness entirely, for example stipulate should measure corrosion depth for face corrosion, when its residual wall thickness less than design wall thickness 90% the time gas cylinder should declare useless.But for the glass tube vial at the bottom of the existing convex as shown in Figure 1, its when third pary certification can't to bottle end 53a and the base 6 of bottle 5a mutually the corrosion depth of pressing joint measure with thickness meter, the extent of corrosion of this gas cylinder is only differentiated with inspector's experience, can cause the gas cylinder erroneous judgement if lack experience, if declare useless then cause unnecessary economic loss for user and gas cylinder producer to corroding not serious gas cylinder, if the gas cylinder erroneous judgement to seriously corroded is qualified, then can cause great harm to society, people's life and national wealth.So its complex structure of glass tube vial of prior art, and Security is not good.
Above shortcoming seriously hinders and has limited the development of glass tube vial, so a bottle transition is all pulled out at Xiang Chong by the producer of some glass tube vials, the producer that has even eliminated glass tube vial has built up in succession to dash and pulled out a bottle production line.Therefore, be necessary to provide the seamless steel gas cylinder of glass tube vial structure a kind of simple in structure, in light weight and safe.
The purpose of rate model utility is, overcomes the shortcoming of prior art, and a kind of seamless steel gas cylinder of novel glass tube vial structure is provided, make its have simple in structure, weight capacity ratio is little, the gas cylinder third pary certification is convenient and safe effect.
The purpose of this utility model is realized by following technological scheme.A kind of control concave bottom seamless steel gas cylinder is made up of valve protection cap, cylinder valve, bottleneck, neck ring and bottle, it is characterized in that: aforementioned bottle is that the bottom is the concave bottom bottle of the concave bottom structure of concavity, and this concave bottom bottle was made up of shoulder, cylindrical shell and the concavo-convex bottle end.
The purpose of this utility model can also be led to by following technical measures and further reached.Described control concave bottom seamless steel gas cylinder, it is characterized in that the described concavo-convex bottle end is for to extend along cylindrical shell downwards, convex ring body outside the outer radius inner bending forms, should become concave volume to cylindrical shell center inner concave shape by outer convex ring body, being somebody's turn to do outer convex ring body and interior concave volume is that the center is symmetrical arranged with the cylindrical shell, and rounding off connects into the integral body of evagination concave inward structure.
Described control concave bottom seamless steel gas cylinder, it is made for metallic material to it is characterized in that described cylindrical shell, diameter phi=70～273mm, volume V=2～80, weight G=2kg～100kg, nominal operating pressure is 3-25MPa; Radius R 1=10mm～the 50mm of described convex ring body; Radius R 2=50mm～the 200mm of interior concave volume.
Described control concave bottom seamless steel gas cylinder, the metallic material that it is characterized in that described cylindrical shell is manganese steel or Cr-Mo steel.
Described control concave bottom seamless steel gas cylinder is characterized in that its diameter phi=267mm of described cylindrical shell, volume V=70, and weight G=78kg, weight capacity ratio (G/V) is about 1.11, and nominal operating pressure is 15MPa; The radius R 1=40mm of described convex ring body, the radius R 2=170mm of interior concave volume.
The utility model compared with prior art has tangible advantage and good effect.By above technological scheme as can be known, the seamless steel gas cylinder that the utility model is made with steel pipe has following several big advantage:
1. simple in structure.No base, easy to manufacture, make cost of production lower, and very easy to use.
2. weight capacity ratio is little, and it is required to satisfy users at home and abroad, and for example volume is 70, nominal operating pressure is the control seamless steel gas cylinder of 15MPa, and its weight is 78kg only, and weight capacity ratio is about 1.11, and cost of transportation is effectively reduced, and at home and abroad maintains the leading position.
3. help the third pary certification of gas cylinder, no matter to domestic gas cylinder still to external gas cylinder, medium difference by institute's splendid attire all needed to detect in per 3 years, 5 years, and concavo-convex bottom structure of the present utility model, no base for regularly, effectively detect gas cylinder very big convenience be provided, thereby have Security more.
In sum, the utility model its have simple in structure, easy to manufacture, easy to use, weight capacity ratio is little, the gas cylinder third pary certification is convenient and safe effect, thereby be suitable for practicality more, for glass tube vial provides valid approach in the development of China; The utility model is not occur in the like product and really belong to initiative again, is in fact one to have the new design of novelty, creativeness and practicability.
Concrete structure of the present utility model is provided in detail by following examples and accompanying drawing thereof.
Fig. 1 is that the structure of existing control seamless steel gas cylinder is partly cutd open schematic representation.
Fig. 2 is that the structure of the utility model control concave bottom seamless steel gas cylinder is partly cutd open schematic representation.
Below in conjunction with accompanying drawing and preferred embodiment, to concrete structure, feature and effect thereof according to the seamless steel gas cylinder of the improvement structure that the utility model proposes, describe in detail as after.
See also shown in Figure 2, the utility model improves the seamless steel gas cylinder of structure, mainly by valve protection cap 1, cylinder valve 2, bottleneck 3, bottle 5 is formed at the bottom of collar 4 and the overall concave, it is that sunken bottom bottle 5a that diad in the prior art is fastening and base 6 (referring to shown in Figure 1) are designed to bottle 5 at the bottom of the overall concave of concave bottom structure that a bottom is concavity that its main structure improves, this concave bottom bottle 5 comprises: shoulder 51, the cylindrical shell 52 and the concavo-convex bottle end 53, wherein, the bottle end 53 is to extend downwards along cylindrical shell 52, convex ring body 531 outside forming through locating to bend inwards outside, form indent body 532 to the center of cylindrical shell 52 indent again, this outer convex ring body 531 and concave volume 532 are that the center is symmetrical arranged with cylindrical shell 52, and rounding off connects into the integral body of evagination concave inward structure.Glass tube vial of the present utility model, its not only the structural design of product, on improve, and on the technology of traditional mode of production control machine, also done significant improvement, be about to steel pipe one end and be heated to forging temperature, with the processing mode of spinning closing-in fire end is spun into spherically, by forming machine spherical convex bottom is made the shape of concave bottom again.
When the utility model is implemented, as preferred embodiment, diameter phi=the 267mm of its cylindrical shell 52, volume V=70, weight G=78kg, weight capacity ratio (G/V)=78/70=1.11, the radius R 1=40mm of convex ring body 531, the radius R 2=170mm of interior concave volume 532, its material selection manganese steel or Cr-Mo steel are made, and nominal operating pressure is 15MPa.
Adopt the tangible advantage that the utlity model has of said structure.Gas cylinder is as storage, and the user pays much attention to its weight.As the gas cylinder of certain specification, its diameter is φ=267mm, and volume is 70, weight is 78k8, and weight increases 12.3kg behind the splendid attire 6m oxygen, if gas cylinder is not controlled weight, just increased many costs of transportation on foot virtually, so weight capacity ratio is that weight/volume is to weigh the important indicator of gas cylinder quality.The weight capacity ratio of each producer's gas cylinder of China generally is controlled at 1.4, the weight capacity ratio of American-European developed country gas cylinder is 1.1～1.2, especially external user is when ordering gas cylinder, because freight costliness, weight are more weighed the performance of gas cylinder and the standard of quality and conduct order as an important techniques index.And the glass tube vial of seamless steel gas cylinder of the present utility model, utilize the bottle end 53 of its concaveconvex structure, both can satisfy its requirement easy to use of standing, simplify the bottle end 6 again, thereby alleviate the weight of gas cylinder, under the identical condition of diameter, volume and the working pressure of cylindrical shell 52, weight can alleviate 9kg, and the weight of this kind gas cylinder only is 78kg, and weight capacity ratio is 1.11, the gas cylinder of these important technological parameters at home and abroad all maintains the leading position, and its simple in structure, easy processing.It not only need not install the base use of just can firmly standing in the bottom, and in the third pary certification of gas cylinder, does not exist at the bottom of taking as existing gas cylinder bottle the joint of 53a and base 6 to carry out the program of corrosion check, thereby can avoid the erroneous judgement to gas cylinder.In view of above two big advantages, the utility model will be made the glass tube vial of concave bottom structure with the gas cylinder that " M " method is produced, and it is novel structure not only, and is suitable for practicality more.
The utility model can be used for splendid attire storing oxygen, hydrogen, liquid gas such as permanent gases such as nitrogen and carbon dioxide, liquid chlorine, liquefied ammonia are widely used in sectors of the national economy such as industrial departments such as electromechanics, metallurgy, chemical industry, oil, shipbuilding, aviation, agricultural machinery, light industry, food and national defence, scientific research, health care.
Claims (6)
1. a control concave bottom seamless steel gas cylinder is made up of valve protection cap, cylinder valve, bottleneck, neck ring and bottle, it is characterized in that: aforementioned bottle is the concave bottom bottle that the bottom is the concave bottom structure of concavity, and this concave bottom bottle was made up of shoulder, cylindrical shell and the concavo-convex bottle end.
2. control concave bottom seamless steel gas cylinder according to claim 1, it is characterized in that the described concavo-convex bottle end is for to extend along cylindrical shell downwards, convex ring body outside the outer radius inner bending forms, should form the indent body to simplified center indent by outer convex ring body, being somebody's turn to do outer convex ring body and interior concave volume is that the center is symmetrical arranged with the cylindrical shell, and rounding off connects into the integral body of evagination concave inward structure.
3. control concave bottom seamless steel gas cylinder according to claim 1 and 2, it is made for high-intensity metallic material to it is characterized in that described cylindrical shell, diameter phi=70～273mm, volume V=2～80, weight G=2kg～100k8, nominal operating pressure is 3-25MPa; Radius R 1=10mm～the 50mm of described convex ring body, the radius R 2=50mm～200mm of interior concave volume.
4. control concave bottom seamless steel gas cylinder according to claim 3, the metallic material that it is characterized in that described cylindrical shell is manganese steel or Cr-Mo steel.
5. according to the seamless steel gas cylinder of claim 1 or 2 described control concave bottoms, it is characterized in that its diameter phi=267mm of described cylindrical shell, volume V=70, weight G=78kg, weight capacity ratio (G/V) is about 1.11, and nominal operating pressure is 15MPa; The radius R 1=40mm of described convex ring body, the radius R 2=170mm of interior concave volume.
6. control concave bottom seamless steel gas cylinder according to claim 4 is characterized in that its diameter phi=267mm of described cylindrical shell, volume V=70, and weight G=78kg, weight capacity ratio (G/V) is about 1.11, and nominal operating pressure is 15MPa; The radius R 1=40mm of described convex ring body, the radius R 2=170mm of interior concave volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95220378 CN2228174Y (en) | 1995-09-04 | 1995-09-04 | Steel seamless gas cylinder with tubular concave bottom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95220378 CN2228174Y (en) | 1995-09-04 | 1995-09-04 | Steel seamless gas cylinder with tubular concave bottom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2228174Y true CN2228174Y (en) | 1996-05-29 |
Family
ID=33868305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95220378 Expired - Fee Related CN2228174Y (en) | 1995-09-04 | 1995-09-04 | Steel seamless gas cylinder with tubular concave bottom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2228174Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102961836A (en) * | 2012-11-21 | 2013-03-13 | 浙江金盾消防器材有限公司 | CO2 fire-extinguisher cylinder and machining method thereof |
| CN104930346A (en) * | 2015-06-09 | 2015-09-23 | 大连理工大学 | Novel steel seamless gas cylinder concave bottom |
| CN112797306A (en) * | 2021-02-02 | 2021-05-14 | 宽城升华压力容器制造有限责任公司 | C219 steel cylinder with large grounding point excircle diameter |
| CN113979125A (en) * | 2021-11-23 | 2022-01-28 | 北京天海工业有限公司 | Clamping device and method for transferring inner container of aluminum alloy gas cylinder |
-
1995
- 1995-09-04 CN CN 95220378 patent/CN2228174Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102961836A (en) * | 2012-11-21 | 2013-03-13 | 浙江金盾消防器材有限公司 | CO2 fire-extinguisher cylinder and machining method thereof |
| CN104930346A (en) * | 2015-06-09 | 2015-09-23 | 大连理工大学 | Novel steel seamless gas cylinder concave bottom |
| CN112797306A (en) * | 2021-02-02 | 2021-05-14 | 宽城升华压力容器制造有限责任公司 | C219 steel cylinder with large grounding point excircle diameter |
| CN113979125A (en) * | 2021-11-23 | 2022-01-28 | 北京天海工业有限公司 | Clamping device and method for transferring inner container of aluminum alloy gas cylinder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |