CN217559554U - Explosion-proof opening device of low-temperature tank box - Google Patents
Explosion-proof opening device of low-temperature tank box Download PDFInfo
- Publication number
- CN217559554U CN217559554U CN202220951996.4U CN202220951996U CN217559554U CN 217559554 U CN217559554 U CN 217559554U CN 202220951996 U CN202220951996 U CN 202220951996U CN 217559554 U CN217559554 U CN 217559554U
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- sealing
- explosion
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- temperature tank
- plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
An explosion-proof opening device of a low-temperature tank belongs to the field of liquefied natural gas transportation tank bodies. The sealing device comprises a side sealing plate arranged on the periphery of the explosion-proof opening and a sealing cover arranged at the top of the explosion-proof opening, the sealing cover comprises a sealing cover plate covering the top of the side sealing plate and a sealing plug for plugging the opening of the side sealing plate, a sealing part is arranged between the top of the side sealing plate and the sealing cover plate, and a sealing part is also arranged between the inner side part of the side sealing plate and the sealing plug; the sealing cover is connected with the low-temperature tank through a connecting device capable of preventing the sealing cover from falling off, and the top of the sealing device is provided with a protective cover. The double-layer sealing ring is adopted for vacuum sealing of the interlayer, so that vacuum failure caused by atmospheric leakage into the interlayer can be more effectively prevented; the outside protection casing is fixed through three sets of fastening screws all around, can effectively avoid the maloperation or lead to sealed risk of losing efficacy to sealed apron collision.
Description
Technical Field
The utility model belongs to the technical field of the liquefied natural gas transport tank body and specifically relates to a low temperature tank case explosion-proof mouthful device.
Background
The design requirement of the liquefied natural gas tank is provided with an automatic discharge pressure relief device, because the medium in the tank body is increased in pressure due to heat absorption in the long-distance transportation or long-time storage process of the tank, a safety valve of the automatic discharge pressure relief device can jump to release pressure, and a certain amount of low-temperature medium can be discharged through a discharge port; the tank body part of the low-temperature tank container is of a double-layer container structure, the interlayer of the inner container and the outer container is a vacuum heat insulation layer, an explosion-proof opening device needs to be arranged, and the sectional area of the device can meet the gas emission requirement under the accidental condition.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the not enough to prior art provides one kind and can improve sealed effect, and the effectual atmosphere that prevents leaks and gets into the intermediate layer and causes the low temperature tank case explosion-proof mouthful device that the vacuum became invalid.
The utility model aims to solve the technical problem that the technical scheme realizes through following, the utility model relates to a low temperature tank box explosion vent device, its characteristics are, including installing the sealing device at low temperature tank box explosion vent, sealing device includes the side seal board of installing in explosion vent periphery and installs the sealed lid at explosion vent top, sealed lid is including covering the sealed apron at side seal board top and the sealing plug that plugs side seal board opening, install sealing member between the top of side seal board and the sealed apron, also install sealing member between the inside portion of side seal board and the sealing plug; the sealing cover is connected with the low-temperature tank through a connecting device capable of preventing the sealing cover from falling off, and a protective cover is installed at the top of the sealing device.
The utility model discloses the technical problem that solve can also further realize through following technical scheme, sealing member is the sealing washer.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, the sealing washer is provided with 2.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, connecting device is wire rope, and wire rope's one end is installed in the bottom of sealed lid, and the inside at low temperature tank is installed to the other end.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, the protection casing passes through fastening screw and is connected with sealing device.
Compared with the prior art, the beneficial effects of the utility model are that: the double-layer sealing ring is adopted for vacuum sealing of the interlayer, so that vacuum failure caused by atmospheric leakage into the interlayer can be more effectively prevented; the sealing cover plate is connected with the shell ring through a steel wire rope, so that the danger of falling off of the cover plate can be prevented; the outside protection casing is fixed through three sets of fastening screws all around, can effectively avoid the maloperation or lead to sealed risk of losing efficacy to sealed apron collision.
Drawings
FIG. 1 is a schematic view of the present invention;
in the figure: 1. a side sealing plate; 2. a seal ring; 3. sealing the cover plate; 4. a protective cover; 5. fastening a bolt; 6. a wire rope; 7. a shell ring body.
Detailed Description
The following further describes embodiments of the present invention in order to facilitate further understanding of the present invention by those skilled in the art, and does not constitute a limitation to the right thereof.
Referring to fig. 1, the explosion-proof port device for the low-temperature tank box comprises a sealing device installed at an explosion-proof port of the low-temperature tank box, wherein the sealing device comprises a side sealing plate installed on the periphery of the explosion-proof port and a sealing cover installed at the top of the explosion-proof port, the sealing cover comprises a sealing cover plate covering the top of the side sealing plate and a sealing plug plugging an opening of the side sealing plate, a sealing part is installed between the top of the side sealing plate and the sealing cover plate, and a sealing part is also installed between the inner side part of the side sealing plate and the sealing plug; the sealing cover is connected with the low-temperature tank through a connecting device capable of preventing the sealing cover from falling off, and a protective cover is installed at the top of the sealing device.
The sealing component is a sealing ring.
The sealing washer is provided with 2.
The connecting device is a steel wire rope, one end of the steel wire rope is installed at the bottom of the sealing cover, and the other end of the steel wire rope is installed inside the low-temperature tank.
The protective cover is connected with the sealing device through a fastening screw.
The tank body part of the low-temperature tank type container is of a double-layer container structure, the middle interlayer of the inner container and the outer container is a vacuum heat insulation layer, an explosion-proof opening device needs to be arranged, and the sectional area of the device can meet the gas emission requirement under the unexpected condition.
The interlayer of the low-temperature tank body is in a negative pressure state during normal use, and the structure of the device adopts the double-layer sealing ring to perform interlayer vacuum sealing, so that the phenomenon that the atmosphere leaks into the interlayer to cause vacuum failure can be more effectively prevented. The sealing cover plate is connected with the cylinder section through a steel wire rope, so that the cover plate can be prevented from falling off dangerously. The outside protection casing is fixed through three sets of set screw all around, can effectively avoid the maloperation or lead to sealed risk of losing efficacy to sealed apron collision.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a low temperature tank explosion vent device which characterized in that: the sealing device comprises a side sealing plate arranged on the periphery of the explosion-proof opening and a sealing cover arranged at the top of the explosion-proof opening, the sealing cover comprises a sealing cover plate covering the top of the side sealing plate and a sealing plug for plugging the opening of the side sealing plate, a sealing part is arranged between the top of the side sealing plate and the sealing cover plate, and a sealing part is also arranged between the inner side part of the side sealing plate and the sealing plug; the sealing cover is connected with the low-temperature tank through a connecting device capable of preventing the sealing cover from falling off, and a protective cover is installed at the top of the sealing device.
2. The explosion-proof opening device of the low-temperature tank box as claimed in claim 1, characterized in that: the sealing component is a sealing ring.
3. The explosion vent device for a low-temperature tank box according to claim 2, characterized in that: the sealing washer is provided with 2.
4. The explosion-proof opening device of the low-temperature tank box as claimed in claim 1, characterized in that: the connecting device is a steel wire rope, one end of the steel wire rope is installed at the bottom of the sealing cover, and the other end of the steel wire rope is installed inside the low-temperature tank.
5. The explosion-proof opening device of the low-temperature tank box as claimed in claim 1, characterized in that: the protective cover is connected with the sealing device through a fastening screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220951996.4U CN217559554U (en) | 2022-04-24 | 2022-04-24 | Explosion-proof opening device of low-temperature tank box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220951996.4U CN217559554U (en) | 2022-04-24 | 2022-04-24 | Explosion-proof opening device of low-temperature tank box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217559554U true CN217559554U (en) | 2022-10-11 |
Family
ID=83472697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220951996.4U Active CN217559554U (en) | 2022-04-24 | 2022-04-24 | Explosion-proof opening device of low-temperature tank box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217559554U (en) |
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2022
- 2022-04-24 CN CN202220951996.4U patent/CN217559554U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |