CN212273701U - High-performance sealing explosion-proof device used on low-temperature liquid storage tank - Google Patents
High-performance sealing explosion-proof device used on low-temperature liquid storage tank Download PDFInfo
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- CN212273701U CN212273701U CN202020960302.4U CN202020960302U CN212273701U CN 212273701 U CN212273701 U CN 212273701U CN 202020960302 U CN202020960302 U CN 202020960302U CN 212273701 U CN212273701 U CN 212273701U
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Abstract
The utility model relates to the technical field of low-temperature liquefied gas storage explosion prevention, in particular to a high-performance sealed explosion prevention device used on a low-temperature liquid storage tank, which comprises a sealed explosion prevention seat, a sealed explosion prevention plug, a sealing ring, an explosion prevention cover and a screw, and also comprises a spring rod and an operating rod; the upper end of the sealing explosion-proof seat can be plugged into a sealing explosion-proof plug; a sealing groove is formed in the sealing explosion-proof plug, and a sealing ring is arranged on the sealing groove; a groove is formed in the side face of the sealed explosion-proof seat; the lower end of the explosion-proof cover is provided with an opening, and the pressure relief value of the sealed explosion-proof plug is determined by the elasticity of the spring rod and the friction force of the sealing ring; when overpressure occurs in the interlayer, the sealing explosion-proof plug is completely popped out, the spring rod pushes the sealing explosion-proof plug upwards to enable the sealing explosion-proof plug to be propped against the top of the explosion-proof cover, the pressure relief amount reaches the maximum at the moment, and after the pressure relief is completed, the operating rod can be pressed downwards to enable the sealing explosion-proof plug to be inserted into the sealing explosion-proof seat again, so that the sealing effect is realized.
Description
Technical Field
The utility model relates to an explosion-proof technical field of low temperature liquefied gas storage specifically is an use high performance sealed explosion-proof equipment on low temperature liquid storage tank.
Background
With the wide application of low-temperature liquefied gases such as liquefied natural gas, liquid nitrogen, liquid oxygen and the like, the low-temperature liquid storage tank has wide market prospect as important equipment of the liquefied gas.
The leakage of the inner container of the low-temperature liquid storage tank accidentally causes overpressure of the interlayer and explosion of the shell, and causes greater economic loss.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a high-performance sealing explosion-proof device used on a low-temperature liquid storage tank.
The utility model provides a its technical problem adopt following technical scheme to realize:
the utility model provides a high-performance sealed explosion-proof device used on a low-temperature liquid storage tank, which comprises a sealed explosion-proof seat, a sealed explosion-proof plug, a sealing ring, an explosion-proof cover and a screw, and also comprises a spring rod and an operating rod; the upper end of the sealing explosion-proof seat can be plugged into a sealing explosion-proof plug; a sealing groove is formed in the sealing explosion-proof plug, and a sealing ring is arranged on the sealing groove; a groove is formed in the side face of the sealed explosion-proof seat; the explosion-proof cover is characterized in that the lower end of the explosion-proof cover is opened, the diameter of the lower end opening of the explosion-proof cover is larger than that of the sealed explosion-proof seat, the explosion-proof cover is supported on the groove through screws, one end of a spring rod is hinged to the side wall of the sealed explosion-proof plug, the other end of the spring rod is hinged to the inner side wall of the explosion-proof cover, a threaded hole is formed in the upper end face of the sealed explosion-proof plug, the lower end of the operating rod is of a screw rod-shaped structure and is in threaded connection with the threaded hole, and the upper end.
Preferably, the spring rod comprises a sleeve, a spring and a connecting rod, the connecting rod is connected in the sleeve in a sliding mode, the spring is installed in the sleeve, and the spring is always in a compressed state through the connecting rod and the sleeve.
Preferably, the explosion-proof cover is provided with a thread which is tightly screwed with the screw.
Preferably, the operating rod is of a T-shaped structure and is made of any one of aluminum alloy, carbon fiber or plastic.
Through adopting foretell technical scheme, the beneficial effects of the utility model are that:
the high-performance sealed explosion-proof device used on the low-temperature liquid storage tank can ensure that the sealed explosion-proof plug obtains excellent sealing performance by assembling the sealed explosion-proof plug on the inner surface of the sealed explosion-proof seat and pushing the sealed explosion-proof plug downwards by the spring rod at the moment, and the pressure relief value of the sealed explosion-proof plug is jointly determined by the elasticity of the spring rod and the friction force of the sealing ring at the moment; when overpressure occurs in the interlayer, the sealing explosion-proof plug is completely popped out, the spring rod pushes the sealing explosion-proof plug upwards to enable the sealing explosion-proof plug to be propped against the top of the explosion-proof cover, the pressure relief amount reaches the maximum at the moment, and after the pressure relief is completed, the operating rod can be pressed downwards to enable the sealing explosion-proof plug to be inserted into the sealing explosion-proof seat again, so that the sealing effect is realized.
Drawings
Fig. 1 is a schematic structural view of the present invention;
in the figure: the anti-explosion sealing device comprises a sealing anti-explosion seat 1, a sealing anti-explosion plug 2, a sealing ring 3, an anti-explosion cover 4, a screw 5, a spring rod 6, a sleeve 61, a spring 62, a connecting rod 63, an operating rod 7, a threaded hole 8 and a linear bearing 9.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a preferred embodiment:
the utility model provides a high-performance sealed explosion-proof device used on a low-temperature liquid storage tank, which comprises a sealed explosion-proof seat 1, a sealed explosion-proof plug 2, a sealing ring 3, an explosion-proof cover 4, a screw 5, a spring rod 6 and an operating rod 7; the upper end of the sealing explosion-proof seat 1 can be plugged into a sealing explosion-proof plug 2; the sealing explosion-proof plug 2 is provided with a sealing groove, and a sealing ring 3 is arranged on the sealing groove; a groove is formed in the side face of the sealed explosion-proof seat 1; the explosion-proof cover 4 lower extreme opening, and its lower extreme opening diameter is greater than the diameter of sealed explosion-proof seat 1 to support on the slot through screw 5, it has the one end of spring beam 6 to articulate on the lateral wall of sealed explosion-proof stopper 2, the other end of spring beam 6 articulates on the inside wall of explosion-proof cover 4, threaded hole 8 is seted up to the up end of sealed explosion-proof stopper 2, the lower extreme of action bars 7 is screw rod column structure, and with 8 threaded connection of threaded hole, the roof of explosion-proof cover 4 is run through in the upper end of action bars 7 through linear bearing 9 slip.
Firstly, the lower end of a sealed explosion-proof seat 1 is fixedly arranged on an outer shell of a low-temperature liquid storage tank and is communicated with an interlayer between the outer shell and an inner container to work, a sealed explosion-proof plug 2 is assembled on the inner surface of the sealed explosion-proof seat 1, at the moment, a spring rod 6 pushes the sealed explosion-proof plug 2 downwards, the sealed explosion-proof plug 2 can be ensured to obtain excellent sealing performance, and at the moment, the pressure relief value of the sealed explosion-proof plug 2 is determined by the elasticity of the spring rod 6 and the friction force of a sealing ring 3; when overpressure occurs in the interlayer, the sealed explosion-proof plug 2 is completely popped out, the spring rod 6 pushes the sealed explosion-proof plug 2 upwards to enable the sealed explosion-proof plug 2 to be propped against the top of the explosion-proof cover 4, the release amount reaches the maximum at the moment, and after the pressure release is completed, the operating rod 7 can be pressed downwards to insert the sealed explosion-proof plug 2 into the sealed explosion-proof seat 1 again to realize sealing.
As an embodiment of the utility model, the spring lever 6 includes sleeve 61, spring 62 and connecting rod 63, connecting rod 63 sliding connection is in sleeve 61, spring 62 installs in sleeve 61, and spring 62 is in all the time by connecting rod 63 and sleeve 61 compression state, can change the pressure release value of sealed explosion-proof stopper 2 through the elastic strength who changes spring 62 to can carry out the adjustment of specificity according to the cryogenic liquids storage tank of different specifications, thereby obtain different pressure release values.
As an embodiment of the present invention, the explosion-proof cover 4 is provided with a thread screwed with the screw 5.
As an embodiment of the present invention, the operating rod 7 is a T-shaped structure, and the operating rod 7 is made of any one of aluminum alloy, carbon fiber or plastic material.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the description of such combinations is not exhaustive in the present specification only for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (4)
1. A high-performance sealed explosion-proof device used on a low-temperature liquid storage tank comprises a sealed explosion-proof seat (1), a sealed explosion-proof plug (2), a sealing ring (3), an explosion-proof cover (4) and a screw (5), and is characterized by also comprising a spring rod (6) and an operating rod (7); the upper end of the sealing explosion-proof seat (1) can be plugged into a sealing explosion-proof plug (2); a sealing groove is formed in the sealing explosion-proof plug (2), and a sealing ring (3) is arranged on the sealing groove; a groove is formed in the side face of the sealed explosion-proof seat (1); explosion-proof lid (4) lower extreme opening, and its lower extreme opening diameter is greater than the diameter of sealed explosion-proof seat (1) to support on the slot through screw (5), it has the one end of spring beam (6) to articulate on the lateral wall of sealed explosion-proof stopper (2), the other end of spring beam (6) articulates on the inside wall of explosion-proof lid (4), threaded hole (8) are seted up to the up end of sealed explosion-proof stopper (2), the lower extreme of action bars (7) is screw rod column structure, and with threaded hole (8) threaded connection, the roof of explosion-proof lid (4) is run through in the upper end of action bars (7) through linear bearing (9) slip.
2. A high performance sealed explosion protection device for use with cryogenic liquid storage tanks, according to claim 1, wherein: the spring rod (6) comprises a sleeve (61), a spring (62) and a connecting rod (63), the connecting rod (63) is connected in the sleeve (61) in a sliding mode, the spring (62) is installed in the sleeve (61), and the spring (62) is always in a compressed state through the connecting rod (63) and the sleeve (61).
3. A high performance sealed explosion protection device for use with cryogenic liquid storage tanks, according to claim 1, wherein: and the explosion-proof cover (4) is provided with threads which are tightly screwed and matched with the screws (5).
4. A high performance sealed explosion protection device for use with cryogenic liquid storage tanks, according to claim 1, wherein: the operating rod (7) is of a T-shaped structure, and the operating rod (7) is made of any one of aluminum alloy, carbon fiber or plastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020960302.4U CN212273701U (en) | 2020-05-29 | 2020-05-29 | High-performance sealing explosion-proof device used on low-temperature liquid storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020960302.4U CN212273701U (en) | 2020-05-29 | 2020-05-29 | High-performance sealing explosion-proof device used on low-temperature liquid storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212273701U true CN212273701U (en) | 2021-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020960302.4U Active CN212273701U (en) | 2020-05-29 | 2020-05-29 | High-performance sealing explosion-proof device used on low-temperature liquid storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212273701U (en) |
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2020
- 2020-05-29 CN CN202020960302.4U patent/CN212273701U/en active Active
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