CN204127643U - For the high-air-tightness steel cylinder that dimethyl ether stores - Google Patents
For the high-air-tightness steel cylinder that dimethyl ether stores Download PDFInfo
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- CN204127643U CN204127643U CN201420475670.4U CN201420475670U CN204127643U CN 204127643 U CN204127643 U CN 204127643U CN 201420475670 U CN201420475670 U CN 201420475670U CN 204127643 U CN204127643 U CN 204127643U
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- bottle
- glass liner
- dimethyl ether
- supporting
- shifting
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Abstract
The utility model provides a kind of high-air-tightness steel cylinder stored for dimethyl ether, relates to steel cylinder manufacturing technology field.Its bottle upper end is provided with feeding valve, discharge valve, and bottle lower end is provided with supporting leg; Bottle comprises glass liner and bottle shell, is configured to vacuum sandwich between glass liner and bottle shell, is provided with the bracing ring for supporting glass liner and bottle shell in vacuum sandwich; Glass liner inner horizontal is provided with shielding, is provided with bleeding point bottom bottle shell; The inside Zhou Yanshen of leading portion of feeding valve body is configured to shifting-position mechanism, and the inside Zhou Yanshen of back segment of body is configured to supporting mechanism, and be provided with a packed-piston and a spring between shifting-position mechanism and supporting mechanism, packed-piston is pressed on shifting-position mechanism by spring; Be configured to feeding-passage in the middle part of shifting-position mechanism, in the middle part of supporting mechanism, be configured to air pressure balance duct; Tube wall is configured with tapping channel, and the material feeding mouth of tapping channel is positioned at packed-piston rear end, and the discharge port of tapping channel is positioned on the rear end of body.The utility model can be good at storing liquid dimethyl ether.
Description
Technical field
The utility model relates to steel cylinder manufacturing technology field, specifically, relates to a kind of high-air-tightness steel cylinder stored for dimethyl ether.
Background technique
Dimethyl ether DME (Dimethy1 Ether), is called for short methyl ether, molecular formula: C2H6O, molecular weight 46.07.Dimethyl ether is synthesized by two methyl molecules and an oxygen atom and forms, chemical structure is not bery stable, although there is not chemical reaction in dimethyl ether and steel cylinder and copper valve, but dimethyl ether is containing aerobic, there is certain oxidability, can chemical reaction be there is with the valve seal loop material (conventional is butyronitrile rubber) of liquefied petroleum ga steel cylinder, cause " corrosion " of butyronitrile rubber and cause valve to leak gas.Dimethyl ether is a kind of organic compound, and liquefied dimethyl ether is a kind of solvent, and butyronitrile rubber is a kind of macromolecular material, and both have proximity, and according to the principle of organic compound " similar person mixes ", butyronitrile rubber can be dissolved in dimethyl ether.Its " dissolving " process is roughly as follows: liquefied dimethyl ether turns to solvent and immerses in butyronitrile rubber body, rubber starts " swelling ", then rubber is by " dissolving " accelerate ageing of rubber, final rubber " elastic failure " and lose sealability, thus causes the gas leakage of valve.The probability of valve for liquified petroleum gas cylinder gas leakage increases with the ratio of mixing dimethyl ether and increases, and the time leaked air increases with the ratio of mixing dimethyl ether and shortens.So existing valve for liquified petroleum gas cylinder can not be used for tanked liquefied dimethyl ether.
Gas of dimethyl ether has the chemical product similar with the physical property of LPG, the gas of welding can not be produced when burning, and have good burning performance, the thermal efficiency is high, in combustion process without residue, without black smoke, CO, NO discharge capacity is low, and cheap and can be a large amount of production, one of the energy becoming 21 century that is supposed to.Dimethyl ether is i.e. liquefiable under Room-temperature low-pressure, and volume reduces greatly, and the pressure resistant vessel (as steel cylinder) adopting pressure-bearing to close is canned is feasible.After State General Administration for Quality Supervision sends " notices about cylinder filling relevant issues ", require that the storage of dimethyl ether, transport, canned link will be accomplished in " special gas, specially bottle, special ", so design a kind of high-air-tightness steel cylinder being exclusively used in dimethyl ether and storing, it is industry technician problem demanding prompt solution.
Summary of the invention
Content of the present utility model is to provide a kind of high-air-tightness steel cylinder stored for dimethyl ether, and it can overcome certain or some defect of prior art.
According to the high-air-tightness steel cylinder stored for dimethyl ether of the present utility model, it comprises bottle, and bottle upper end is provided with feeding valve, discharge valve, and bottle lower end is provided with supporting leg; Bottle comprises glass liner and bottle shell, is configured to vacuum sandwich between glass liner and bottle shell, is provided with the bracing ring for supporting glass liner and bottle shell in vacuum sandwich; Glass liner inner horizontal is provided with shielding, is provided with bleeding point bottom bottle shell;
Feeding valve comprises columned body, the inside Zhou Yanshen of leading portion of body is configured to shifting-position mechanism, the inside Zhou Yanshen of back segment of body is configured to supporting mechanism, and be provided with a packed-piston and a spring between shifting-position mechanism and supporting mechanism, packed-piston is pressed on shifting-position mechanism by spring; Be configured to feeding-passage in the middle part of shifting-position mechanism, in the middle part of supporting mechanism, be configured to air pressure balance duct; Tube wall is configured with tapping channel, and the material feeding mouth of tapping channel is positioned at packed-piston rear end, and the discharge port of tapping channel is positioned on the rear end of body.
In the utility model, utilize glass liner and bottle shell that bottle is configured to double layer construction, and their interlayer is vacuum layer, this structure on the one hand the utility model is possessed preferably resistance to blow performance; Vacuum sandwich has insulation effect on the other hand, and this makes the utility model when splendid attire liquid dimethyl ether, can not cause bottle temperature decrease because of the use rapidly of liquid dimethyl ether.Glass liner inside of the present utility model can also be provided with shielding, and this makes the utility model when splendid attire liquid dimethyl ether, and liquid dimethyl ether can not produce violent rocking therein, thus ensure that transportation safety.Also be provided with bracing ring between glass liner of the present utility model and bottle shell, this structure ensure that the firm performance of glass liner.
Feeding valve of the present utility model is configured to open when filling gas in bottle, fill rear automatic closedown, discharge valve is configured to the valve of only export but no import, the valve configurations of two one-way flows is adopted to become feeding valve of the present utility model and discharge valve, air-tightness of the present utility model can be ensured, alleviate valve and use burden, increase valve working life.
As preferably, bracing ring comprises semiorbicular supporting frame, and any two supporting frames are welded on bottle shell madial wall and the hoop cooperatively interacted carries out the location of substantially horizontal in glass liner periphery to glass liner; Any one supporting frame to be welded on bottom bottle shell thus glass liner to be carried out to the location of vertical direction.
As preferably, shielding comprises a bracket loop adapted with glass liner inner circumferential, and bracket loop inside becomes grid by crisscross baffle plate configuration, and the bracket loop of shielding is welded on glass liner inner circumferential.
Shielding periphery of the present utility model can be configured to a coil support circle, and this greatly facilitates it and is welded on glass liner inner circumferential.
Be provided with multiple mesh in shielding of the present utility model, in a preferred embodiment of the present utility model, shielding has 3, and they are evenly distributed in glass liner inside from top to bottom, cooperatively interacting of 3 shieldings, makes anti-ripple effect reach best.
As preferably, bottle shell periphery is provided with one deck rubber layer.
In a preferred embodiment of the present utility model, bottle shell periphery is provided with one deck rubber layer, and the existence of rubber layer makes bottle can carry out certain buffering to external force by when beating external force collision, thus has carried out good protection to bottle.
As preferably, supporting frame can also be provided with axial cylindrical hole.
By arranging axial cylindrical hole on supporting frame of the present utility model, when supporting frame is fixed between glass liner and bottle, the space in interlayer is interconnected, and ensure that the complete of the vacuum pumping carried out from bleeding point.
In a preferred embodiment of the present utility model, packed-piston sidewall is also provided with seal ring, and this ensure that the airtight performance between packed-piston and tube wall greatly; Packed-piston is also provided with the gasket seal corresponding with feeding-passage, by arranging packing groove on packed-piston, the method for gasket seal is set in packing groove, preferably can ensure the airtight performance between packed-piston and feeding-passage; In addition, the material of packed-piston and gasket seal all adopts fluorine rubber, this make packed-piston and gasket seal can not with dimethyl ether generation swelling action, thus ensure that the working stability of feeding valve.
Accompanying drawing explanation
Fig. 1 is the sectional view for the high-air-tightness steel cylinder of dimethyl ether storage in embodiment 1;
Fig. 2 is the sectional view of feeding valve in Fig. 1;
Fig. 3 is the structural representation of shielding in Fig. 1;
Fig. 4 is the structural representation of supporting frame in Fig. 1;
Fig. 5 is the sectional view of packed-piston in Fig. 2.
Embodiment
For understanding content of the present utility model further, in conjunction with the accompanying drawings and embodiments the utility model is described in detail.
Embodiment 1
As shown in Figure 1, be the high-air-tightness steel cylinder stored for dimethyl ether in this enforcement, it comprises bottle 100, and bottle 100 upper end is provided with feeding valve 170, discharge valve 180, and bottle 100 lower end is provided with supporting leg 140; Bottle 100 comprises glass liner 110 and bottle shell 120, is configured to vacuum sandwich 190 between glass liner 110 and bottle shell 120, is provided with the bracing ring 150 for supporting glass liner 110 and bottle shell 120 in vacuum sandwich 190; Glass liner 110 inner horizontal is provided with shielding 160, is provided with bleeding point 121 bottom bottle shell 120;
As shown in Figure 2, for the feeding valve 170 in this enforcement, it comprises columned body 210, the inside Zhou Yanshen of leading portion of body 210 is configured to shifting-position mechanism 220, the inside Zhou Yanshen of back segment of body 210 is configured to supporting mechanism 230, be provided with packed-piston 240 and a spring 250 between shifting-position mechanism 220 and supporting mechanism 230, packed-piston 240 is pressed on shifting-position mechanism 220 by spring 250; Be configured to feeding-passage 270 in the middle part of shifting-position mechanism 220, in the middle part of supporting mechanism 230, be configured to air pressure balance duct 280; Body 210 sidewall is configured with tapping channel 260, and the material feeding mouth of tapping channel 260 is positioned at packed-piston 240 rear end, and the discharge port of tapping channel 260 is positioned on the rear end of body 210.
As shown in Figure 3, shielding 160 comprises a bracket loop 310 adapted with glass liner 110 inner circumferential, and bracket loop 310 inside is configured to grid by crisscross dividing plate 320, and the bracket loop 310 of shielding 160 is welded on glass liner 110 inner circumferential.
As shown in Figure 4, bracing ring 150 comprises semiorbicular supporting frame 400, and any two supporting frames 400 are welded on bottle shell 120 madial wall and the hoop cooperatively interacted carries out the location of substantially horizontal in glass liner 110 periphery to glass liner 110; Any one supporting frame 400 to be welded on bottom bottle shell 120 thus glass liner 110 to be carried out to the location of vertical direction.
As shown in Figure 5, packed-piston 240 periphery is provided with seal ring 510, and packed-piston 240 front end is provided with the gasket seal 520 corresponding with feeding-passage 270.Wherein, the material of seal ring 510 and packed-piston 240 is fluorine rubber.
In the present embodiment: bottle shell 120 periphery is provided with one deck rubber layer 130, supporting frame 400 is provided with axial cylindrical hole 410; By bleeding point 121, vacuum pumping is carried out to it after filling heat insulator in vacuum sandwich 190; Shielding has 3, and they are evenly distributed in glass liner inside from top to bottom, cooperatively interacting of 3 shieldings, makes anti-ripple effect reach best.
The utility model is when filling dimethyl ether from feeding valve 170, dimethyl ether presses off spring 250, enter in bottle via feeding-passage 270, tapping channel 260, after filling end, cut off contacting between feeding-passage 270 and tapping channel 260 at the effect lower seal piston 240 of spring 250 and bottle internal air pressure, ensure that dimethyl ether can not be revealed.
Schematically above be described the utility model and mode of execution thereof, this description does not have restricted, and also just one of the mode of execution of the present utility model shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the mode of structure similar to this technological scheme and embodiment without creationary, protection domain of the present utility model all should be belonged to.
Claims (5)
1. for the high-air-tightness steel cylinder of dimethyl ether storage, comprise bottle (100), it is characterized in that: bottle (100) upper end is provided with feeding valve (170), discharge valve (180), and bottle (100) lower end is provided with supporting leg (140); Bottle (100) comprises glass liner (110) and bottle shell (120), being configured to vacuum sandwich (190) between glass liner (110) and bottle shell (120), in vacuum sandwich (190), being provided with the bracing ring (150) for supporting glass liner (110) and bottle shell (120); Glass liner (110) inner horizontal is provided with shielding (160), and bottle shell (120) bottom is provided with bleeding point (121);
Feeding valve (170) comprises columned body (210), the inside Zhou Yanshen of leading portion of body (210) is configured to shifting-position mechanism (220), the inside Zhou Yanshen of back segment of body (210) is configured to supporting mechanism (230), be provided with a packed-piston (240) and a spring (250) between shifting-position mechanism (220) and supporting mechanism (230), packed-piston (240) is pressed on shifting-position mechanism (220) by spring (250); Shifting-position mechanism (220) middle part is configured to feeding-passage (270), and supporting mechanism (230) middle part is configured to air pressure balance duct (280); Body (210) sidewall is configured with tapping channel (260), the material feeding mouth of tapping channel (260) is positioned at packed-piston (240) rear end, and the discharge port of tapping channel (260) is positioned on the rear end of body (210).
2. the high-air-tightness steel cylinder stored for dimethyl ether according to claim 1, it is characterized in that: bracing ring (150) comprises semiorbicular supporting frame (400), any two supporting frames (400) are welded on a bottle shell (120) madial wall and the hoop cooperatively interacted carries out the location of substantially horizontal in glass liner (110) periphery to glass liner (110); Any one supporting frame (400) is welded on a bottle shell (120) bottom thus glass liner (110) is carried out to the location of vertical direction.
3. the high-air-tightness steel cylinder stored for dimethyl ether according to claim 1, it is characterized in that: shielding (160) comprises a bracket loop (310) adapted with glass liner (110) inner circumferential, bracket loop (310) inside is configured to grid by crisscross dividing plate (320), and the bracket loop (310) of shielding (160) is welded on glass liner (110) inner circumferential.
4. the high-air-tightness steel cylinder stored for dimethyl ether according to claim 1, is characterized in that: bottle shell (120) periphery is provided with one deck rubber layer (130).
5. the high-air-tightness steel cylinder stored for dimethyl ether according to claim 2, is characterized in that: supporting frame (400) is provided with axial cylindrical hole (410).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420475670.4U CN204127643U (en) | 2014-08-22 | 2014-08-22 | For the high-air-tightness steel cylinder that dimethyl ether stores |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420475670.4U CN204127643U (en) | 2014-08-22 | 2014-08-22 | For the high-air-tightness steel cylinder that dimethyl ether stores |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204127643U true CN204127643U (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420475670.4U Expired - Fee Related CN204127643U (en) | 2014-08-22 | 2014-08-22 | For the high-air-tightness steel cylinder that dimethyl ether stores |
Country Status (1)
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| CN (1) | CN204127643U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114803A (en) * | 2015-07-07 | 2015-12-02 | 郑州轻工业学院 | Vertical low-temperature storage tank with sliding lantern ring supporting mechanism |
| CN109827065A (en) * | 2019-03-04 | 2019-05-31 | 张家港市科华化工装备制造有限公司 | Cryogenic liquid storage tank |
-
2014
- 2014-08-22 CN CN201420475670.4U patent/CN204127643U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105114803A (en) * | 2015-07-07 | 2015-12-02 | 郑州轻工业学院 | Vertical low-temperature storage tank with sliding lantern ring supporting mechanism |
| CN109827065A (en) * | 2019-03-04 | 2019-05-31 | 张家港市科华化工装备制造有限公司 | Cryogenic liquid storage tank |
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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: 20150128 Termination date: 20190822 |