CN204026125U - The light-duty seamless gas cylinder of high pressure - Google Patents
The light-duty seamless gas cylinder of high pressure Download PDFInfo
- Publication number
- CN204026125U CN204026125U CN201420233246.9U CN201420233246U CN204026125U CN 204026125 U CN204026125 U CN 204026125U CN 201420233246 U CN201420233246 U CN 201420233246U CN 204026125 U CN204026125 U CN 204026125U
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- Prior art keywords
- bottle
- gas cylinder
- valve
- bottleneck
- light
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Abstract
The utility model relates to the light-duty seamless gas cylinder of a kind of high pressure, and bottle is thin-walled bottle, and is made up of 38CrNi3MoVA high-strength steel, and bottle two ends are two bottleneck structures, and two bottleneck is respectively equipped with internal thread, and wherein, a bottleneck connects bottle valve by internal thread.Seamless gas cylinder external diameter:
, rated capacity: 80L ~ 500L, pressure resistance: 40MPa.Thin walled structures of the present utility model, in heat treatment link, easy through hardening, there will not be interlayer phenomenon, and this is for ensureing that the Security of gas cylinder is very helpful.Because the utility model adopts high tensile steel manufacture, it low weight possessed, high strength, high tenacity and high-plasticity all can meet gas cylinder application gas cylinder weight being had to particular/special requirement.
Description
Technical field
The utility model relates to a kind of gas cylinder, the light-duty seamless gas cylinder of especially a kind of high pressure.
Background technique
Seamless high-pressure air bottle product (hereinafter referred to as: " gas cylinder ") be mainly used in storing compressed air, be the key equipment of 40MPa high pressure air system.Also can be used for salvaging, lifesaving, oil exploration in addition and use mixedly for the startup of boats and ships main auxiliary machine, instrument, instrument, airing of views siren and life through decompression.
The gas cylinder of existing 40MP/410L adopts low strong steel 35CrNi3MoVA and 37CrNi3MoVA, and the gas cylinder adopting this bi-material to produce has following shortcoming:
(1) Key Performance Indicator due to material is low, causes wall thickness thicker, thus makes
1) wall thickness deviation of seamless steel pipe in course of working is larger;
2) gas cylinder heavier-weight;
3) occurring in heat treatment process cannot through hardening.
(2) material seawater corrosion resistance ability is poor.
Summary of the invention
The utility model to provide a kind of high pressure light-duty seamless gas cylinder, and this seamless gas cylinder adopts high tensile steel manufacture, and it low weight possessed, high strength, high tenacity and high-plasticity all can meet gas cylinder application gas cylinder weight being had to particular/special requirement.
For achieving the above object, the technical solution adopted in the utility model is: the light-duty seamless gas cylinder of a kind of high pressure, comprise bottle, be characterized in: bottle is thin-walled bottle, and is made up of 38CrNi3MoVA high-strength steel, bottle two ends are two bottleneck structures, two bottleneck is respectively equipped with internal thread, wherein, a bottleneck connects bottle valve by internal thread, and bottle valve 3 is by suction tude 4 and bottle 2 inner space.
Seamless gas cylinder external diameter:
, rated capacity: 80L ~ 500L, pressure resistance: 40MPa.
Bottle valve comprises air inlet stop valve, discharge line valve and valve for controlling pressure guage, and wherein, valve for controlling pressure guage is arranged on the bottle cap upper end of bottle, and bottle cap both sides install air inlet stop valve and discharge line valve respectively.
The beneficial effects of the utility model: the utility model thin walled structures, in heat treatment link, easy through hardening, there will not be interlayer phenomenon, and this is for ensureing that the Security of gas cylinder is very helpful.Because the utility model adopts high tensile steel manufacture, it low weight possessed, high strength, high tenacity and high-plasticity all can meet gas cylinder application gas cylinder weight being had to particular/special requirement.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is bottle valve structural representation of the present utility model.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail.
As shown in Figure 1, the light-duty seamless gas cylinder of a kind of high pressure, comprises bottleneck 1, bottle 2, bottle valve 3, suction tude 4.
Bottle 2 is thin-walled bottle, and is made up of 38CrNi3MoVA high-strength steel, and bottle 2 two ends are two bottleneck 1 structures, two bottleneck 1 is respectively equipped with internal thread, wherein, a bottleneck 1 connects bottle valve 3 by internal thread, and bottle valve 3 is by suction tude 4 and bottle 2 inner space.
As shown in Figure 2, bottle valve 3 comprises air inlet stop valve 6, discharge line valve 7 and valve for controlling pressure guage 5, and wherein, valve for controlling pressure guage 5 is arranged on bottle cap 8 upper end of bottle 2, and bottle cap 8 both sides install air inlet stop valve 6 and discharge line valve 7 respectively.
Gas cylinder bottle in the utility model adopts high-strength steel 38CrNi3MoVA to manufacture (bottle length range-50%).
One, structure
40
seamless high-pressure air bottle product Bottle structure pattern peculiar to vessel is two neck thread vial-type structures, and bottle valve structural type is external thread structure.
Two, technical requirements
1, operating conditions
1) rated working pressure:
=40
;
2) design pressure:
;
3) working medium: through pressurized air, nitrogen, the inert gas of dry decontamination;
4) gas cylinder operating ambient temperature :-40 DEG C ~+60 DEG C;
5) bottle valve operating ambient temperature:
;
6) range of pressure fluctuations: 0 ~ 40
;
7) 40
high pressure air system opening pressure of safety valve is 41
.
2, performance and specification
1) external diameter:
;
2) rated capacity: 80L, 100L, 125L, 200L, 260L, 300L, 410L, 500L;
3) rate of residual: η ≯ 5%;
4) bursting pressure:
3, the hydrostatic test and air tightness test
1) hydraulic test pressure:
=60
;
2) air tight test pressure:
=40
.
4, chemical composition
1) bottle
Gas cylinder bottle material is the new steel grade 38CrNi3MoVA produced by technological progress, belongs to gas cylinder chrome molybdenum steel grade (Quench and temper), this steel grade be non-boiling steel, without ageing and through aluminium or silicon calmness process.
A) chemical composition franchise should meet the regulation of table 1 in EN ISO 9809-1:
B) content of the sulphur of gas bottle body manufacture steel in heat analysis and phosphorus is no more than the regulation of table 2 in EN ISO 9809-1:
C) content and in appropriate circumstances of carbon, manganese and silicon, the content of chromium, nickel, molybdenum and the difference between maximum value and minimum value thereof are no more than the specified value of table 1;
D) the content summation of elemental vanadium, Niobium, titanium, boron and zirconium is no more than 0.15%;
A) its concrete numerical value of chemical composition of gas cylinder bottle steel is in table 3:
2) bottle valve
A) the valve body material trade mark: 38CrNi3MoVA-III (or 34CrMo4) forging;
B) chemical composition of forging material is in table 4:
The mechanical property that 5, should ensure after quenching with Subsequent tempering
1) bottle
A) tensile strength:
(be not more than simultaneously
);
B) yield limit:
;
C) specific elongation:
(standard ring specimen);
D) ballistic work:
longitudinally sampling: ballistic work when-50 DEG C
;
laterally sampling (specimen width >7.5 ~ 10mm):
Average impact value when-50 DEG C
, one-piece specimens impact value
.
E) clod wash angle: when 180 °,
;
F) grain size: >=5 grades.
2) bottle valve
A) tensile strength (lower limit or quenching with Subsequent tempering after guarantee value):
;
B) yield limit (lower limit or quenching with Subsequent tempering after guarantee value):
;
C) specific elongation:
;
D) ballistic work:
Low temperature-50 DEG C:
E) clod wash angle: when 180 °,
;
F) grain size: >=5 grades.
Three, operational instruction
1, to install separately or when forming a system by several gas cylinders:
When adopting air compressor inflation, pressurized air enters primary oil's separator, special oil separator by the road, and then drying purification plant enters in the gas cylinder in high pressure air system.When gas cylinder is charged to 40MPa pressurized air, gas compressor should be closed.
2, during air feed:
A) when boats and ships need pressurized air, high pressure air system air feed stop valve is opened, for the startup of boats and ships main auxiliary machine, instrument, instrument gas.
B) when pick-up boat, lifeboat, petroleum exploration ship need pressurized air, high pressure air system air feed stop valve is opened, for each department of salvaging, lifesaving, oil exploration.
C) when salvaging, ship (warship) member of lifeboat slips into extra large underwater work, when gas cylinder is for ensureing personnel's eupnea, the pressurized air of drying purification plant should enter special gas cylinder (gas cylinder planted agent is coated with Linseed oil or the not non-toxic coatings that falls of Off).
3, when gas cylinder bottling head valve
1) during inflation:
When adopting air compressor inflation, opening the pressure meter switch of gas cylinder, air inlet stop valve, discharge line valve, escape valve should be closed simultaneously.Pressurized air is separated through primary oil's separator and special oil separator, and then drying purification plant enters gas cylinder.When gas cylinder is charged to 40MPa pressurized air, air inlet stop valve should be closed.
2) during air feed (for startups of boats and ships main auxiliary machine, instrument, instrument, airing of views siren, live use mixedly or needed for other during pressurized air):
First should close air inlet stop valve, then open discharge line valve.During air feed, gas cylinder planted agent leaves the pressurized air of certain surplus, is advisable with 0.5MPa, inflates after not allowing all to use up again.
Claims (3)
1. the light-duty seamless gas cylinder of high pressure, comprise bottle (2), it is characterized in that: described bottle (2) is thin-walled bottle, and be made up of 38CrNi3MoVA high tensile steel, bottle (2) two ends are two bottleneck (1) structures, and (1) is respectively equipped with internal thread to two bottleneck, wherein, a bottleneck (1) connects bottle valve (3) by internal thread, and bottle valve (3) is by suction tude (4) and bottle (2) inner space.
2. the light-duty seamless gas cylinder of high pressure according to claim 1, is characterized in that: described seamless gas cylinder external diameter:
, rated capacity: 80L ~ 500L, pressure resistance: 40MPa.
3. the light-duty seamless gas cylinder of high pressure according to claim 1, it is characterized in that: described bottle valve (3) comprises air inlet stop valve (6), discharge line valve (7) and valve for controlling pressure guage (5), wherein, valve for controlling pressure guage (5) is arranged on bottle cap (8) upper end of bottle (2), and bottle cap (8) both sides install air inlet stop valve (6) and discharge line valve (7) respectively.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420233246.9U CN204026125U (en) | 2014-05-08 | 2014-05-08 | The light-duty seamless gas cylinder of high pressure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420233246.9U CN204026125U (en) | 2014-05-08 | 2014-05-08 | The light-duty seamless gas cylinder of high pressure |
Publications (1)
Publication Number | Publication Date |
---|---|
CN204026125U true CN204026125U (en) | 2014-12-17 |
Family
ID=52065988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201420233246.9U Expired - Fee Related CN204026125U (en) | 2014-05-08 | 2014-05-08 | The light-duty seamless gas cylinder of high pressure |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN204026125U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104878310A (en) * | 2015-06-11 | 2015-09-02 | 成都格瑞特高压容器有限责任公司 | High-pressure seamless gas storage steel cylinder and manufacturing process |
CN109476416A (en) * | 2016-03-30 | 2019-03-15 | 康斯坦丁·弗拉基米罗维奇·索罗金 | Transport and the method for storing the case of gas cylinder and placing gas cylinder in case |
CN112923230A (en) * | 2021-03-30 | 2021-06-08 | 贵州航天天马机电科技有限公司 | High-pressure quick inflation and deflation system |
-
2014
- 2014-05-08 CN CN201420233246.9U patent/CN204026125U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104878310A (en) * | 2015-06-11 | 2015-09-02 | 成都格瑞特高压容器有限责任公司 | High-pressure seamless gas storage steel cylinder and manufacturing process |
CN109476416A (en) * | 2016-03-30 | 2019-03-15 | 康斯坦丁·弗拉基米罗维奇·索罗金 | Transport and the method for storing the case of gas cylinder and placing gas cylinder in case |
CN112923230A (en) * | 2021-03-30 | 2021-06-08 | 贵州航天天马机电科技有限公司 | High-pressure quick inflation and deflation system |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141217 Termination date: 20170508 |