CN213324871U

CN213324871U - Novel stable pressure relief manhole

Info

Publication number: CN213324871U
Application number: CN202021950496.6U
Authority: CN
Inventors: 孟俊杰; 曾祥玉; 袁忠华
Original assignee: Qidong Hengsheng Instrument Equipment Co ltd
Current assignee: Qidong Hengsheng Instrument Equipment Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-06-01
Anticipated expiration: 2030-09-09

Abstract

The utility model discloses a novel stabilize pressure release manhole, which comprises a tank body, the top of the jar body is equipped with pressure release manhole base, pressure release manhole base is kept away from one side of the jar body is equipped with the apron, the fixed arc lid that is equipped with in one side of apron, the top of arc lid is equipped with a plurality of through-holes, the fixed pressure release mouth that is equipped with in centre of apron, the inside first closing plate that is equipped with of pressure release mouth, the fixed a plurality of connecting plates that are equipped with in one side of first closing plate, one side of connecting plate is all fixed and is equipped with the slide bar, the edge of pressure release mouth, and, be located all be equipped with a plurality of jacks on the apron, the one end of slide bar is located in the jack, and, to one side extension and limiting plate fixed connection of apron, the. Has the advantages that: the device simple structure, convenient operation is used, can realize the automatic effect of disappointing and admitting air simultaneously, great improvement the security of jar body use.

Description

Novel stable pressure relief manhole

Technical Field

The utility model relates to a field of pressure release manhole particularly, relates to a novel stabilize pressure release manhole.

Background

The pressure relief manhole is a rapid pressure relief device, and the technical performance and the main part materials of the pressure relief manhole are the same as those of a breathing manhole.

The pressure relief manhole is a safety emergency ventilation device installed on petrochemical equipment and storage tanks, and is usually matched with a breather valve installed on the top of a tank for use, so that normal pressure in the tank is maintained, and the accident caused by damage to the storage tank due to sudden overpressure or vacuum in the tank caused by accident can be avoided

But current pressure release manhole when using on jar body, it is inconvenient to have the use, detects through the manometer simultaneously, then discharges and fill into through the staff, great increase the troublesome nature, will cause jar body explosion's danger when untimely releasing jar pressure of internal portion, so necessary provide a novel stable pressure release manhole and solve the problem that exists more than.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel stabilize pressure release manhole 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: a novel stable pressure relief manhole comprises a tank body, wherein a pressure relief manhole base is arranged above the tank body, a cover plate is arranged on one side, away from the tank body, of the pressure relief manhole base, an arc-shaped cover is fixedly arranged on one side of the cover plate, a plurality of through holes are formed in the top of the arc-shaped cover, a pressure relief opening is fixedly formed in the middle of the cover plate, a first sealing plate is arranged inside the pressure relief opening, a plurality of connecting plates are fixedly arranged on one side of the first sealing plate, a sliding rod is fixedly arranged on one side of each connecting plate, the edge of the pressure relief opening is provided with a plurality of jacks on the cover plate, one end of each sliding rod is arranged in the jack, one end of each sliding rod extends towards one side of the cover plate and is fixedly connected with the limiting plate, a first spring is arranged between the limiting plate and the cover plate, the first, the air inlet is internally provided with a second sealing plate, one side of the second sealing plate is fixed with a transverse plate, and the periphery of the transverse plate is connected with the first sealing plate through a plurality of second springs.

Further the pressure relief port is matched with the first sealing plate, and the air inlet is matched with the second sealing plate.

Furthermore, a sealing plug is fixedly arranged on one side of the connecting plate, the sealing plug is sleeved on the sliding rod, and the sealing plug is matched with the jack.

And further, an activated carbon adsorption plate is fixedly arranged on one side of the cover plate and positioned in the arc-shaped cover.

Further one side that the active carbon adsorption plate kept away from the apron is equipped with the filter screen, the filter screen with the inner wall fixed connection of arc lid.

Further one side of apron is fixed and is equipped with a plurality of screw thread posts, one side of pressure release manhole base is equipped with a plurality of mounting holes, the mounting hole with through nut threaded connection between the screw thread post.

Further pressure release manhole base with one side of the jar body all is equipped with the installation piece, through locking bolt threaded connection between the installation piece.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) when the pressure in the tank body is higher than the external pressure, the first sealing plate is pushed by the higher pressure to be separated from the pressure relief port, the higher pressure in the tank body is discharged, the tank body explosion caused by the higher pressure in the tank body is avoided in the pressure relief process, the safety is greatly improved, after the pressure in the tank body is discharged, the first spring is restored, the limiting plate is pushed to move downwards, the sliding rod pulls the connecting plate and the first sealing plate to move downwards, the pressure relief port can be closed, when the pressure on the inner wall of the tank body is lower, the external atmospheric pressure extrudes the tank body, meanwhile, the air pressure in the tank body is reduced, the second sealing plate is pulled downwards, the second sealing plate can be opened, and the external air enters the tank body through the through hole and the air inlet, the device has simple structure, convenient operation and use, can realize the functions of automatic air leakage and air inlet, and greatly improves the safety of the use of the tank body;

(2) the sealing plug can play a role in sealing the cover plate, so that gas exchange between the inside of the tank body and the outside of the tank body is avoided in a normal state of the tank body, and the use safety is improved;

(3) the active carbon adsorption board can play the effect of getting rid of the peculiar smell to the gas that overflows, has improved the protection to the environment, and the filter screen can filter the air of inhaling, avoids the impurity in the air to enter into the jar body, influences the purity of the material in the jar body, the purity of great improvement storage.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a novel stable pressure relief manhole according to an embodiment of the present invention;

fig. 2 is an enlarged view at a in fig. 1.

Reference numerals:

1. a tank body; 2. a pressure relief manhole base; 3. a cover plate; 4. an arc-shaped cover; 5. a through hole; 6. a pressure relief port; 7. a first sealing plate; 8. a connecting plate; 9. a slide bar; 10. a jack; 11. a limiting plate; 12. a first spring; 13. an air inlet; 14. a second sealing plate; 15. a transverse plate; 16. a second spring; 17. a sealing plug; 18. an activated carbon adsorption plate; 19. a filter screen; 20. a threaded post; 21. mounting holes; 22. a nut; 23. mounting blocks; 24. and locking the bolt.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

the first embodiment is as follows:

referring to fig. 1-2, a novel stable pressure relief manhole according to an embodiment of the present invention includes a tank body 1, a pressure relief manhole base 2 is disposed above the tank body 1, a cover plate 3 is disposed on a side of the pressure relief manhole base 2 away from the tank body 1, an arc cover 4 is fixedly disposed on one side of the cover plate 3, a plurality of through holes 5 are disposed on a top of the arc cover 4, a pressure relief opening 6 is fixedly disposed in a middle of the cover plate 3, a first sealing plate 7 is disposed inside the pressure relief opening 6, a plurality of connecting plates 8 are fixedly disposed on one side of the first sealing plate 7, a sliding rod 9 is fixedly disposed on one side of each connecting plate 8, a plurality of insertion holes 10 are disposed on the cover plate 3, one end of the sliding rod 9 is disposed in the insertion hole 10, and extends to one side of the cover plate 3 and is fixedly connected to a limiting plate 11, a first spring 12 is arranged between the limiting plate 11 and the cover plate 3, the first spring 12 is sleeved on the sliding rod 9, an air inlet 13 is arranged in the middle of the first sealing plate 7, a second sealing plate 14 is arranged in the air inlet 13, a transverse plate 15 is fixed on one side of the second sealing plate 14, the periphery of the transverse plate 15 is connected with the first sealing plate 7 through a plurality of second springs 16, when the pressure in the tank body 1 is higher than the external pressure, the first sealing plate 7 is separated from the pressure relief opening 6 under the pushing of the higher pressure, the higher pressure in the tank body 1 is discharged, the explosion of the tank body 1 caused by the higher pressure in the tank body 1 is avoided in the pressure relief process, the safety is greatly improved, after the pressure in the tank body 1 is discharged, the first spring 12 is restored, and the limiting plate 11 is pushed to move downwards, slide bar 9 will stimulate connecting plate 8 and first closing plate 7 to move down, thereby can realize closing of pressure release mouth 6, when the inner wall pressure of the jar body 1 is less, external atmospheric pressure will cause the extrusion to jar body 1, simultaneously jar internal atmospheric pressure diminishes will cause the effect of downward pulling to second closing plate 14, thereby can realize opening of second closing plate 14, make external air enter into jar internal 1's inside through-hole 5 and air inlet 13, thereby realize the balance of jar internal pressure of body 1, avoid jar internal wall pressure vary voltage and cause the phenomenon of deformation, the device simple structure, convenient operation uses, can realize the automatic effect of leaking heart and admitting air simultaneously, great improvement the security of jar body use.

Example two:

referring to fig. 1-2, for the pressure relief opening 6, the pressure relief opening 6 is matched with the first sealing plate 7, the air inlet 13 is matched with the second sealing plate 14, the pressure relief opening 6 is matched with the first sealing plate 7, and the air inlet 13 is matched with the second sealing plate 14, so that the tightness of the pressure relief opening 6 and the air inlet 13 can be improved; for the connecting plate 8, a sealing plug 17 is fixedly arranged on one side of the connecting plate 8, the sealing plug 17 is sleeved on the sliding rod 9, the sealing plug 17 is matched with the jack 10, and the sealing plug 17 can play a role in sealing the cover plate 3, so that gas exchange between the inside and the outside of the tank body is avoided in a normal state of the tank body 1, and the use safety is improved; for the cover plate 3, an activated carbon adsorption plate 18 is fixedly arranged on one side of the cover plate 3 and inside the arc-shaped cover 4, and the activated carbon adsorption plate 18 can remove peculiar smell of overflowed gas, so that the environmental protection is improved; for the activated carbon adsorption plate 18, a filter screen 19 is arranged on one side, far away from the cover plate 3, of the activated carbon adsorption plate 18, the filter screen 19 is fixedly connected with the inner wall of the arc-shaped cover 4, the filter screen 19 can filter sucked air, impurities in the air are prevented from entering the tank body 1, the purity of materials in the tank body 1 is influenced, and the purity of storage is greatly improved; for the cover plate 3, a plurality of threaded columns 20 are fixedly arranged on one side of the cover plate 3, a plurality of mounting holes 21 are arranged on one side of the pressure relief manhole base 2, the mounting holes 21 are in threaded connection with the threaded columns 20 through nuts 22, the mounting holes 21, the nuts 22 and the threaded columns 20 can realize the connection between the cover plate 3 and the pressure relief manhole base 2, and the convenience of mounting and dismounting is improved; to pressure release manhole base 2, pressure release manhole base 2 with one side of the jar body 1 all is equipped with installation piece 23, through 24 threaded connection of locking bolt between the installation piece 23, increase the convenience of being connected between pressure release manhole base 2 and the jar body 1.

To sum up, with the aid of the above technical scheme of the utility model, for the convenient understanding the above technical scheme of the utility model, just below the utility model discloses theory of operation or the mode of operation at the actual process carry out the detailed description:

in practical application, when the pressure in the tank body 1 is higher than the external pressure, the pressure in the tank body 1 pushes the first sealing plate 7 on the cover plate 3, the first sealing plate 7 is pushed by the higher pressure to be separated from the pressure relief opening 6, so that the pressure relief opening 6 is opened, the higher pressure in the tank body 1 can be discharged, the explosion of the tank body 1 caused by the higher pressure in the tank body 1 is avoided in the pressure relief process, the safety is greatly improved, the discharged gas passes through the activated carbon adsorption plate 18, the activated carbon adsorption plate 18 can play a role in removing peculiar smell from the overflowed gas, the environment is protected, and meanwhile, after the pressure in the tank body 1 is discharged, the first spring 12 is restored, so that the limiting plate 11 is pushed to move downwards, the sliding rod 9 can pull the connecting plate 8 and the first sealing plate 7 to move downwards, thereby closing the pressure relief opening 6, when the pressure on the inner wall of the tank body 1 is small, the external atmospheric pressure can extrude the tank body 1, at the same time, the air pressure in the tank 1 is reduced, which will cause the second sealing plate 14 to be pulled downwards, thereby realizing the opening of the second sealing plate 14, leading the outside air to enter the inner part of the tank body 1 through the through hole 5 and the air inlet 13, thereby realizing the balance of the pressure inside the tank body 1, avoiding the deformation phenomenon caused by the pressure transformation of the inner wall of the tank body, meanwhile, the entering air can pass through the filter screen 19, the filter screen 19 can filter the sucked air, impurities in the air are prevented from entering the tank body 1 to influence the purity of the materials in the tank body 1, the storage purity is greatly improved, the device simple structure, convenient operation is used, can realize the automatic effect of disappointing and admitting air simultaneously, great improvement the security of jar body use.

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 novel stable pressure relief manhole is characterized by comprising a tank body (1), wherein a pressure relief manhole base (2) is arranged above the tank body (1), a cover plate (3) is arranged on one side, away from the tank body (1), of the pressure relief manhole base (2), an arc-shaped cover (4) is fixedly arranged on one side of the cover plate (3), a plurality of through holes (5) are formed in the top of the arc-shaped cover (4), a pressure relief opening (6) is fixedly arranged in the middle of the cover plate (3), a first sealing plate (7) is arranged in the pressure relief opening (6), a plurality of connecting plates (8) are fixedly arranged on one side of each first sealing plate (7), a sliding rod (9) is fixedly arranged on one side of each connecting plate (8), the edge of the pressure relief opening (6) is positioned on the cover plate (3), a plurality of inserting holes (10) are formed in one end of each sliding rod (9), and, to one side of apron (3) extends and limiting plate (11) fixed connection, limiting plate (11) with be equipped with first spring (12) between apron (3), first spring (12) cover is located on slide bar (9), air inlet (13) have been seted up to the centre of first closing plate (7), be equipped with second closing plate (14) in air inlet (13), one side fixed diaphragm (15) of second closing plate (14), all through a plurality of second springs (16) around diaphragm (15) with be connected between first closing plate (7).

2. The new stable pressure relief manhole according to claim 1, wherein the pressure relief opening (6) is matched with the first sealing plate (7), and the air inlet (13) is matched with the second sealing plate (14).

3. The novel stable pressure relief manhole as claimed in claim 2, wherein a sealing plug (17) is fixedly disposed on one side of the connecting plate (8), the sealing plug (17) is sleeved on the sliding rod (9), and the sealing plug (17) is matched with the insertion hole (10).

4. The manhole according to claim 3, wherein an activated carbon adsorption plate (18) is fixedly arranged on one side of the cover plate (3) and inside the arc cover (4).

5. The manhole according to claim 4, wherein a filter screen (19) is disposed on a side of the activated carbon adsorption plate (18) away from the cover plate (3), and the filter screen (19) is fixedly connected to an inner wall of the arc cover (4).

6. The novel stable pressure relief manhole as claimed in claim 5, wherein a plurality of threaded columns (20) are fixedly arranged on one side of the cover plate (3), a plurality of mounting holes (21) are arranged on one side of the base (2), and the mounting holes (21) are in threaded connection with the threaded columns (20) through nuts (22).

7. The novel stable pressure relief manhole as claimed in claim 6, wherein the base (2) and one side of the tank body (1) are provided with mounting blocks (23), and the mounting blocks (23) are connected with each other by a locking bolt (24) in a threaded manner.