CN218718735U

CN218718735U - Explosion-proof structure of safe pressure vessel

Info

Publication number: CN218718735U
Application number: CN202222896653.5U
Authority: CN
Inventors: 黄幼舟
Original assignee: Wuxi Hengying General Machinery Co ltd
Current assignee: Wuxi Hengying General Machinery Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-03-24
Anticipated expiration: 2032-11-01

Abstract

The utility model discloses an explosion-proof structure of a safe pressure vessel, which comprises an end cover, wherein a first cavity is arranged in the end cover, a first movable mechanism is arranged in the first cavity, the upper end in the end cover is also respectively provided with a first outlet pipe and a second outlet pipe, the first outlet pipe is a bent pipe, the upper end of the first outlet pipe is communicated with the lower end of the second outlet pipe, the lower end of the first outlet pipe is communicated with the upper end of the first cavity, and the end cover also comprises a thickening layer connected with the upper end of the end cover; the pressure enters a first cavity of the end cover and then pushes the first sealing plate upwards, and the second gas enters the first gas outlet pipe and the second gas outlet pipe; the gas in the second gas outlet pipe pushes the second sealing plate out upwards, and the gas enters the gap; the gas in the clearance upwards gets into air outlet channel through the annular, and the backup pad is upwards backed down, and the guide arm that upwards moves promotes sealed the pad and shifts up, and the top of running through the groove is opened, and gas outgoing obtains the pressure release, plays safety, explosion-proof effect.

Description

Explosion-proof structure of safe pressure vessel

Technical Field

The utility model relates to an explosion-proof technical field of pressure vessel specifically is a safe pressure vessel explosion-proof structure.

Background

The pressure vessel in the prior art is a closed device which contains gas or liquid and bears a certain pressure. Pressure vessels are used in a wide variety of applications. It is an equipment which plays an important role in various departments of national economy such as petrochemical industry, energy industry, scientific research, military industry and the like. When the pressure container has an accident, the high-temperature and high-pressure materials in the container are often blown out in an explosion mode.

Such as the bulletin number: CN104989819B a safe pressure vessel, has improved the holistic leakproofness and the security of container, and when the accident took place, the valve ball blocks up the through-hole, the explosion-proof structure prevents spreading of the medium in the container when the accident took place, provides valuable evacuation time.

Based on the search of the above patent and the discovery of the equipment in the prior art, in the explosion-proof structure of some harmless gas pressure vessels, the pressure is too large and cannot be buffered and released inside, and the explosion hazard exists because the internal gas pressure is still too large and cannot be released slowly. In view of the above, the present invention provides an explosion-proof structure of a safety pressure container, which is improved based on the existing structure and defects, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safe pressure vessel explosion-proof construction to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an explosion-proof structure of safe pressure vessel, includes the end cover, the inside of end cover is equipped with first cavity, be equipped with first moving mechanism in the first cavity, the inside upper end of end cover still is equipped with first outlet duct, second outlet duct respectively, first outlet duct is the return bend and the lower extreme intercommunication of upper end and second outlet duct, the lower extreme of first outlet duct with the upper end intercommunication of first cavity, the end cover still includes the thickening layer of connecting its upper end, be equipped with the clearance between the inside top of thickening layer and the end cover, the inboard of thickening layer is equipped with the annular, the upper end middle part of thickening layer is equipped with air outlet channel, the upper end of thickening layer is connected with the top cap, the lower extreme of top cap is equipped with the second cavity, be equipped with second moving mechanism in the second cavity, arrange through second moving mechanism's setting and press.

As a further optimization of the technical solution, the first movable mechanism includes a first spring and a first sealing plate, one end of the first spring is connected to one end of the first sealing plate, the other end of the first spring is connected to the top wall of the first cavity, and the first movable mechanism is used for pressure relief.

As a further optimization of the technical scheme, a second sealing plate is further arranged in the thickening layer, the lower end of the second sealing plate is connected with a first magnet, a second magnet is embedded into the upper end of the end cover, and the first magnet and the second magnet attract each other, so that the second sealing plate plays a role in sealing.

As the further optimization of the technical scheme, the lower end of the thickening layer extends to the outside of the end cover, so that the sealing performance is improved.

As a further optimization of the technical scheme, the second movable mechanism comprises a second spring, a support plate, a third spring, a guide rod and a sealing gasket, the other end of the support plate is connected to the top cover at one end of the second spring, the other end of the third spring is connected to the air outlet channel of the thickening layer at the other end of the support plate, the sealing gasket is connected to the upper end of the lower end of the guide rod, the sealing gasket is located on the outer side of the upper end of the top cover, and the third spring is located in the air outlet channel.

As a further optimization of the technical scheme, the upper end of the top cover is also provided with a through groove, the guide rod is positioned in the through groove, the guide rod faces upwards, and the sealing gasket is opened, so that the pressure discharging effect is achieved.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model can release the pressure of the gas, so that the pressure container and the end cover have the explosion-proof function, the pressure enters the first cavity of the end cover and pushes the first sealing plate upwards, and the second gas enters the first outlet pipe and the second outlet pipe; the gas in the second gas outlet pipe upwards ejects out the second sealing plate, and the gas enters the gap; the gas in the clearance upwards gets into air outlet channel through the annular, and the backup pad is upwards backed down, and the guide arm that upwards moves promotes sealed pad and shifts up, and the top of running through the groove is opened, and gas outgoing obtains the pressure release, through the mode of buffering pressure release, and gradual row presses plays safety, explosion-proof effect.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic view of the structure of the end cap, thickening layer and top cap in a disassembled state;

fig. 3 is a schematic view of the thickening layer looking down.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. an end cap; 2. a first cavity; 3. a first spring; 4. a first sealing plate; 5. a first magnet; 6. a first air outlet pipe; 7. a second air outlet pipe; 8. a gap; 9. a second sealing plate; 10. a ring groove; 11. thickening the layer; 12. a top cover; 13. a second spring; 14. a second cavity; 15. a guide bar; 16. a gasket; 17. a through groove; 18. a support plate; 19. a third spring; 20. an air outlet channel; 21. a second magnet.

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.

In the description of the present invention, unless otherwise specified, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like, indicate orientations or state relationships based on the orientations or state relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that a designated mechanism or component must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Example (b):

as shown in figures 1 to 3:

the utility model provides a technical scheme: an explosion-proof structure of a safety pressure container comprises an end cover 1, wherein a first cavity 2 is arranged inside the end cover 1, and a first movable mechanism is arranged in the first cavity 2 to perform pressure relief work in the first step;

a first air outlet pipe 6 and a second air outlet pipe 7 are respectively arranged at the upper end in the end cover 1, the first air outlet pipe 6 is a bent pipe, the upper end of the first air outlet pipe 6 is communicated with the lower end of the second air outlet pipe 7, and the lower end of the first air outlet pipe 6 is communicated with the upper end of the first cavity 2, so that pressure can be discharged upwards;

the end cover 1 further comprises a thickening layer 11 connected with the upper end of the end cover 1, the thickening layer 11 can play a role in strengthening sealing for the end cover 1, a gap 8 is arranged between the inner top end of the thickening layer 11 and the end cover 1, and the gap 8 is used for providing space for the movement of the second sealing plate 9, so that pressure can be discharged upwards;

the inboard of thickening layer 11 is equipped with annular 10, the upper end middle part of thickening layer 11 is equipped with air outlet channel 20, the upper end of thickening layer 11 is connected with top cap 12, the lower extreme of top cap 12 is equipped with second cavity 14, be equipped with the second movable mechanism in the second cavity 14, the second movable mechanism upwards moves about for the pressure of lower extreme can upwards be discharged, and atmospheric pressure obtains the release, has avoided the high-pressure explosion phenomenon.

When the gas pressure releasing device is specifically implemented, the first movable mechanism comprises a first spring 3 and a first sealing plate 4, one end of the first spring 3 is connected to one end of the first sealing plate 4, the other end of the first spring 3 is connected to the top wall of the first cavity 2, the first sealing plate 4 of the first movable mechanism is pushed by high pressure, the first spring 3 is compressed, gas at the lower end enters the first gas outlet pipe 6 and the second gas outlet pipe 7, and gas pressure is released.

During specific implementation, the thickening layer 11 is further provided with a second sealing plate 9, the lower end of the second sealing plate 9 is connected with the first magnet 5, the upper end of the end cover 1 is connected with the second magnet 21 in an embedded mode, the first magnet 5 and the second magnet 21 are attracted to each other, the second sealing plate 9 can be kept to achieve a sealing effect, and when the air pressure of the lower end is high, the second sealing plate 9 can be jacked open to enable the second sealing plate to rise, so that a pressure discharging effect is achieved.

In specific implementation, the lower end of the thickening layer 11 extends to the outside of the end cap 1.

In specific implementation, the second movable mechanism comprises a second spring 13, a support plate 18, a third spring 19, a guide rod 15 and a sealing gasket 16, one end of the second spring 13 is connected with the support plate 18, the other end of the second spring is connected to the top cover 12, one end of the third spring 19 is connected to the support plate 18, the other end of the third spring is connected to the air outlet channel 20 of the thickening layer 11, the lower end of the guide rod 15 is connected with the upper end of the support plate 18 and is connected with the sealing gasket 16, the sealing gasket 16 is located on the outer side of the upper end of the top cover 12, the third spring 19 is located in the air outlet channel 20, the support plate 18 seals in the air outlet channel 20, when gas at the lower end impacts upwards, the support plate 18 moves upwards, the spring stretches, and the gas is discharged upwards.

In specific implementation, the upper end of the top cover 12 is further provided with a through groove 17, the guide rod 15 is located in the through groove 17, the guide rod 15 pushes the sealing gasket 16 to move upwards, the top of the through groove 17 is opened, and air is exhausted to obtain pressure relief.

The specific use mode and function of the embodiment are as follows:

the utility model discloses in, during the use, end cover 1 connects on pressure vessel, can be through stable connected mode such as spiro union connection, the pressure that pressure vessel produced reaches a certain amount back through end cover 1's first cavity 2 again with first closing plate 4 upwards top, first spring 3 compression, the gas of first closing plate 4 lower extreme gets into first outlet duct 6, in second outlet duct 7, obtain shifting (obtaining the release) at this process atmospheric pressure, when atmospheric pressure reaches another volume, gas in the second outlet duct 7 upwards ejecting second closing plate 9, first magnet 5 separates with second magnet 21, gas gets into clearance 8, this process gas obtains shifting once more (obtaining the release again), gas passes through annular 10 and upwards gets into outlet duct 20, backup pad 18 is upwards backed down, upward movement guide arm 15 promotes sealed 16 and moves up, the top of running through groove 17 is opened, gas outgoing, obtain the pressure release, atmospheric pressure obtains releasing once more.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a safe pressure vessel explosion-proof structure, includes end cover (1), its characterized in that: the inside of end cover (1) is equipped with first cavity (2), be equipped with first moving mechanism in first cavity (2), the inside upper end of end cover (1) still is equipped with first outlet duct (6), second outlet duct (7) respectively, first outlet duct (6) are the return bend and the lower extreme intercommunication of upper end and second outlet duct (7), the lower extreme of first outlet duct (6) with the upper end intercommunication of first cavity (2), end cover (1) still includes thickening layer (11) that its upper end is connected, be equipped with clearance (8) between the inside top of thickening layer (11) and end cover (1), the inboard of thickening layer (11) is equipped with annular (10), the upper end middle part of thickening layer (11) is equipped with outlet duct (20), the upper end of thickening layer (11) is connected with top cap (12), the lower extreme of top cap (12) is equipped with second cavity (14), be equipped with second moving mechanism in second cavity (14).

2. A safety pressure vessel vent structure as defined in claim 1, wherein: the first movable mechanism comprises a first spring (3) and a first sealing plate (4), one end of the first spring (3) is connected to one end of the first sealing plate (4), and the other end of the first spring (3) is connected to the top wall of the first cavity (2).

3. A safety pressure vessel vent structure as defined in claim 1, wherein: still be equipped with second closing plate (9) in thickening layer (11), the lower extreme of second closing plate (9) is connected with first magnet (5), the upper end embedding of end cover (1) is connected with second magnet (21), first magnet (5) and second magnet (21) attract each other.

4. A safety pressure vessel vent structure as defined in claim 1, wherein: the lower end of the thickening layer (11) extends to the outside of the end cover (1).

5. A safety pressure vessel vent structure as defined in claim 1, wherein: the second movable mechanism comprises a second spring (13), a support plate (18), a third spring (19), a guide rod (15) and a sealing gasket (16), the other end of the support plate (18) is connected to the top cover (12) at one end of the second spring (13), the other end of the third spring (19) is connected to the air outlet channel (20) of the thickening layer (11) at the other end of the support plate (18), the sealing gasket (16) is connected to the upper end of the support plate (18) at the lower end of the guide rod (15), the sealing gasket (16) is located on the outer side of the upper end of the top cover (12), and the third spring (19) is located in the air outlet channel (20).

6. A safety pressure vessel venting structure as defined in claim 5, wherein: the upper end of the top cover (12) is also provided with a through groove (17), and the guide rod (15) is positioned in the through groove (17).