CN211168287U

CN211168287U - Fire-retardant breather valve for hazardous article storage tank

Info

Publication number: CN211168287U
Application number: CN201922288675.1U
Authority: CN
Inventors: 刘利利
Original assignee: Burke Fluid Technology Xuzhou Co ltd
Current assignee: Burke Fluid Technology Xuzhou Co ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-08-04
Anticipated expiration: 2029-12-19

Abstract

The utility model discloses a fire-retardant breather valve for hazardous articles storage tank in the technical field of fire-retardant breather valve, which comprises a valve body, an insertion pipe is arranged at the outer side of the joint of the outer wall at the left side of the valve body and a through hole, a fire-retardant core is slidably sleeved at the top of the outer wall of a fixed rod, and the processes of air suction and exhaust are completed through the cooperation of a suction valve seat, an exhalation valve seat and a guide cylinder, the structure is simple, the production and assembly are facilitated, the air entering the valve body through a lower shell can be filtered by a filter, particle sundries can be prevented from entering the inner cavity of the valve body, and when the exterior catches fire, the smoke enters the inner cavity of the valve body through the fire-retardant core, thereby effectively preventing the flame and the smoke from entering the inner cavity of the insertion pipe through a gas outlet from being processed by a second fire-retardant core, then the smoke can enter the, gas remained in the flue gas and reacted with the product in the tank body is avoided.

Description

Fire-retardant breather valve for hazardous article storage tank

Technical Field

The utility model relates to a back-fire relief breather valve technical field specifically is a back-fire relief breather valve for hazardous articles holding vessel.

Background

The effect of breather valve is the leakproofness that keeps the holding vessel at the during operation, reduce the internal evaporation loss of jar to a certain extent, and when necessary, can adjust the internal and external pressure of balanced jar of automatic ventilation, play the safety action to the jar body, but its back-fire relief performance of traditional breather valve is relatively poor, flame gets into jar body easy initiation accident through the breather valve, and when adjusting internal and external pressure inspiratory gas, remaining flue gas can cause the pollution to the product of jar internal chamber in the flue gas and can react with the product, reduce the security performance of holding vessel storage product, for this reason, we provide a dangerous goods holding vessel and use back-fire breather valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a relief of fire breather valve for hazardous articles holding vessel to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a fire-retardant breather valve for a hazardous article storage tank comprises a valve body, wherein the top and the bottom of the valve body are respectively provided with an upper shell and a lower shell, the inner wall of the top of the upper shell is provided with a guide cylinder, the bottom of the guide cylinder extends to the inner cavity of the valve body, the inner wall of the guide cylinder ring is provided with an upper group of annular supporting blocks and a lower group of annular supporting blocks, the tops of the upper group of annular supporting blocks and the lower group of annular supporting blocks are respectively provided with a suction valve seat and a exhalation valve seat, the annular array at the top of the joint of the inner wall of the guide cylinder and the suction valve seat is provided with an air suction port, the inner wall of the guide cylinder ring and the inner side of the joint of the two groups of annular supporting blocks are provided with an air outlet, the inner wall of the left side of the valve body is provided with a connecting cylinder, the outer wall of the left side of the, the left end of intubate extends to jar body inner chamber, the inferior valve bottom is equipped with the filter, filter bottom outer wall center activity is pegged graft there is the dead lever, the slip cover in dead lever hoop outer wall top is equipped with the back-fire relief core, back-fire relief core bottom and the laminating of inferior valve inner wall, the top and the bottom of dead lever hoop outer wall all are equipped with the external screw thread, just the both ends of dead lever hoop outer wall are threaded sleeve respectively and are equipped with lock nut, and upper and lower two sets of the outer wall of the relative one side of lock nut supports tight back-fire relief.

Further, the valve body left side outer wall all is equipped with the accessory plate with the top and the bottom of intubate junction, and is two sets of the fixed connecting plate that is equipped with in accessory plate left end, the connecting plate movable sleeve is established at the intubate outer wall, the intubate left end is equipped with the closing plate, the sealing plate left end face annular array is equipped with three screw groups, is equipped with the screw in the screw, just intubate left side outer wall is equipped with the mounting hole with screw matched with, the left side annular array of intubate annular outer wall and connecting plate junction is equipped with the fluting, intubate annular inner wall right side is equipped with the second back-fire relief core, the second back-.

Furthermore, the fire retardant cores are arranged in two groups from top to bottom, an annular cushion block is arranged between the fire retardant cores, and the fire retardant cores are arranged in the two groups in a reverse mode.

Further, inferior valve annular inner wall bottom activity is pegged graft and is had high temperature resistant gas cleaning ware, high temperature resistant gas cleaning ware movable sleeve is established at the dead lever outer wall, high temperature resistant gas cleaning ware bottom and filter top outer wall fixed connection.

Further, the outer wall of the right side of the sealing plate is fixedly provided with an anti-overflow ball body, and the annular outer wall of the anti-overflow ball body is attached to the inner wall of the insertion tube.

Further, the intubate ring is equipped with the external screw thread to the outer wall left end, just valve body left side outer wall be equipped with intubate complex mounting hole.

Compared with the prior art, the beneficial effects of the utility model are that: through inhaling the disk seat, breathe out the disk seat and accomplish with the guide cylinder cooperation and breathe in, exhaust process, moreover, the steam generator is simple in structure, be favorable to the production assembly, the air that gets into the valve body through the inferior valve can be through the filtration of filter, can avoid granule debris to get into the valve body inner chamber, and when the outside catches fire, the flue gas gets into the valve body inner chamber through the back-fire relief core, effectually prevent that flame and flue gas from getting into the jar body, and the air that gets into the intubate inner chamber through the gas outlet can be handled through the second back-fire relief core, then just can get into jar internal chamber through the fluting, further improve the back-fire relief effect of valve body, and the high temperature flue gas purifier that the inferior valve inner chamber set up can purify to inhaling the.

Drawings

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

fig. 2 is a schematic view of the connection between the insertion tube and the valve body of the present invention.

In the figure: 1. a valve body; 2. an upper shell; 3. a lower case; 4. a guide cylinder; 5. an annular supporting block; 6. a suction valve seat; 7. an exhalation valve seat; 8. an air suction port; 9. an air outlet; 10. a connecting cylinder; 11. a through hole; 12. inserting a tube; 13. a filter; 14. fixing the rod; 15. a fire retardant core; 16. a lock nut; 17. a high temperature resistant flue gas purifier; 18. an annular cushion block; 19. a connecting plate; 20. an auxiliary plate; 21. a sealing plate; 22. an anti-overflow ball body; 23. grooving; 24. a second fire retardant core.

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.

The utility model provides a technical scheme: a fire-retardant breather valve for a hazardous article storage tank, please refer to fig. 1, which comprises a valve body 1, wherein the top and the bottom of the valve body 1 are respectively provided with an upper shell 2 and a lower shell 3, the inner wall of the top of the upper shell 2 is provided with a guide cylinder 4, the bottom of the guide cylinder 4 extends to the inner cavity of the valve body 1, the circumferential inner wall of the guide cylinder 4 is provided with an upper group of annular supporting blocks 5 and a lower group of annular supporting blocks 5, the tops of the upper group of annular supporting blocks 5 and the lower group of annular supporting blocks 5 are respectively provided with a suction valve seat 6 and a exhalation valve seat 7, the top annular array of the joint of the circumferential inner wall of the guide cylinder 4 and the suction valve seat 6 is provided with an air suction port 8, the inner side of the joint of the circumferential inner wall of the guide cylinder 4 and the two groups of annular supporting blocks 5 is provided with an air outlet 9, the inner wall of the left side of the valve body 1 is provided with a, the left end of the intubation tube 12 extends to the inner cavity of the tank body, by adopting the technical scheme, the inhalation valve seat 6 and the exhalation valve seat 7 move up and down in the guide cylinder 4, in a normal state, the exhalation valve seat 7 covers the annular supporting block 5 at the bottom to form a sealing structure, the inhalation valve seat 6 covers the annular supporting block 5 at the top to form a sealing structure, the structure is simple, the tank body is internally sealed with the outside, when the pressure in the tank body is overhigh, the exhalation valve seat 7 moves upwards, gas escapes from the gas outlet 9 for pressure relief, when the pressure in the tank body is lower, the inhalation valve seat 6 moves upwards, air enters the tank body from the gas inlet 8 for pressurization, because the inhalation valve seat 6 and the exhalation valve seat 7 are tightly attached to the inner side surface of the guide cylinder 4, impurities are difficult to enter the space between the inhalation valve seat 6, the exhalation valve seat 7 and the guide cylinder 4, the movement of the inhalation, the safety of storage is ensured;

referring to fig. 1, a filter 13 is arranged at the bottom of a lower shell 3, a fixing rod 14 is movably inserted in the center of the outer wall at the bottom of the filter 13, a fire retardant core 15 is slidably sleeved on the top of the outer wall of the fixing rod 14, the bottom of the fire retardant core 15 is attached to the inner wall of the lower shell 3, external threads are arranged on the top and the bottom of the outer wall of the fixing rod 14 in the circumferential direction, locking nuts 16 are respectively screwed on two ends of the outer wall of the fixing rod 14 in the circumferential direction, the filter 13 can be replaced and cleaned by screwing down the locking nuts 16, the fire retardant core 15 and the filter 13 are respectively abutted against the outer walls of the upper and lower groups of locking nuts 16, air entering the valve body 1 through the lower shell 3 can be filtered through the filter 13, particle impurities can be prevented from entering the inner;

referring to fig. 1-2, the top and bottom of the joint between the left outer wall of the valve body 1 and the insertion tube 12 are provided with auxiliary plates 20, the left ends of the two groups of auxiliary plates 20 are fixedly provided with a connecting plate 19, the periphery of the circumferential outer wall of the connecting plate 19 is provided with mounting holes in which screws are arranged, the connecting plate 19 and the valve body 1 are fixed on the outer wall of the tank body by screws, the connecting plate 19 is movably sleeved on the outer wall of the insertion tube 12, the left end of the insertion tube 12 is provided with a sealing plate 21, the left end face of the sealing plate 21 is provided with three groups of screw holes in an annular array, the screws are arranged in the screw holes, the left outer wall of the insertion tube 12 is provided with mounting holes matched with the screws, the left annular array of the joint between the circumferential outer wall of the insertion tube 12 and the connecting plate 19 is provided with a slot 23, air entering the inner cavity of, the second fire retardant core 24 is positioned on the right side of the connecting plate 19;

referring to fig. 1, two groups of fire retardant cores 15 are arranged up and down, an annular cushion block 18 is arranged between the two groups of fire retardant cores 15, the two groups of fire retardant cores 15 are arranged in reverse, the interior of the fire retardant cores 15 is of an aligned and respective triangular small hole structure, an included angle between the extension direction of the triangular small holes and the horizontal direction is five to ten degrees, the double-layer reversely-installed fire retardant core 15 is very compact in structure, the fire retardant cores 15 are made of stainless steel corrugated packing, and flame can be quenched when entering the triangular small holes of the corrugated packing, because the sectional areas of the triangular small holes are small relative to the small holes with other shapes, the average sectional area of the holes is reduced by the reversely-arranged fire retardant cores 15, the collision probability between free radicals and reaction molecules is reduced, and the collision probability between the free radicals and channel walls is increased on the contrary, so that the free radical reaction;

referring to fig. 1, a high temperature resistant flue gas purifier 17 is movably inserted into the bottom of the annular inner wall of the lower shell 3, the high temperature resistant flue gas purifier 17 is movably sleeved on the outer wall of the fixed rod 14, the bottom of the high temperature resistant flue gas purifier 17 is fixedly connected with the outer wall of the top of the filter 13, and the flue gas can be purified to avoid gas which is reacted with the product in the tank body or gas which pollutes the product from remaining in the flue gas;

referring to fig. 2, an anti-overflow ball 22 is fixedly arranged on the outer wall of the right side of the sealing plate 21, the annular outer wall of the anti-overflow ball 22 is attached to the inner wall of the insertion tube 12, the anti-overflow ball 22 is inserted into the slot 23 to block the slot, so that liquid in the inner cavity of the tank body can be prevented from overflowing when the tank body is inclined;

referring to fig. 1-2, the insertion tube 12 has an external thread, not shown, disposed on the left end of the circumferential outer wall thereof, and the valve body 1 has a mounting hole disposed on the left outer wall thereof for engaging with the insertion tube 12, so as to facilitate the removal of the components of the insertion tube 12, which may be mounted in the inner cavity thereof.

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 dangerous goods are back-fire relief breather valve for holding vessel, includes valve body (1), its characterized in that: the air-breathing valve is characterized in that an upper shell (2) and a lower shell (3) are respectively arranged at the top and the bottom of the valve body (1), a guide cylinder (4) is arranged on the inner wall of the top of the upper shell (2), the bottom of the guide cylinder (4) extends to the inner cavity of the valve body (1), an upper group and a lower group of annular supporting blocks (5) are arranged on the annular inner wall of the guide cylinder (4), a suction valve seat (6) and a exhalation valve seat (7) are respectively arranged on the tops of the upper group and the lower group of annular supporting blocks (5), an air suction port (8) is arranged in an annular array at the top of the joint of the annular inner wall of the guide cylinder (4) and the suction valve seat (6), an air outlet (9) is arranged at the inner side of the joint of the annular inner wall of the guide cylinder (4) and the two groups of annular supporting blocks (5), a, the air outlet (9) is arranged at the inner side of the connecting cylinder (10), a through hole (11) is arranged at the inner side of the joint of the valve body (1) and the connecting cylinder (10), an insertion pipe (12) is arranged on the outer side of the joint of the outer wall of the left side of the valve body (1) and the through hole (11), the left end of the insertion pipe (12) extends to the inner cavity of the tank body, the bottom of the lower shell (3) is provided with a filter (13), a fixed rod (14) is movably inserted in the center of the outer wall at the bottom of the filter (13), a fire retardant core (15) is sleeved around the fixed rod (14) and slides to the top of the outer wall, the bottom of the fire retardant core (15) is attached to the inner wall of the lower shell (3), the fixing rod (14) is provided with external threads towards the top and the bottom of the outer wall, and the two ends of the circumferential outer wall of the fixed rod (14) are respectively provided with a locking nut (16) in a threaded sleeve mode, and the outer wall of one side, opposite to the locking nuts (16), of the upper group and the lower group respectively supports against the fire retardant core (15) and the filter (13).

2. A fire retardant breather valve for a hazardous materials storage tank as defined in claim 1, wherein: valve body (1) left side outer wall all is equipped with accessory plate (20) with top and bottom of intubate (12) junction, and is two sets of accessory plate (20) left end is fixed and is equipped with connecting plate (19), connecting plate (19) movable sleeve is established at intubate (12) outer wall, intubate (12) left end is equipped with closing plate (21), closing plate (21) left end face annular array is equipped with three screw groups, is equipped with the screw in the screw, just intubate (12) left side outer wall is equipped with the mounting hole with screw matched with, intubate (12) hoop outer wall is equipped with fluting (23) with the left side annular array of connecting plate (19) junction, intubate (12) hoop inner wall right side is equipped with second back-fire relief core (24), second back-fire relief core (24) are located connecting plate (19) right.

3. A fire retardant breather valve for a hazardous materials storage tank as defined in claim 1, wherein: the fire retardant cores (15) are arranged in two groups from top to bottom, an annular cushion block (18) is arranged between the two groups of fire retardant cores (15), and the two groups of fire retardant cores (15) are arranged in a reverse direction.

4. A fire retardant breather valve for a hazardous materials storage tank as defined in claim 1, wherein: inferior valve (3) ring is to the activity of inner wall bottom and is pegged graft and have high temperature resistant gas cleaning ware (17), high temperature resistant gas cleaning ware (17) movable sleeve is established at dead lever (14) outer wall, high temperature resistant gas cleaning ware (17) bottom and filter (13) top outer wall fixed connection.

5. A fire retardant breather valve for a hazardous materials storage tank as defined in claim 2, wherein: the outer wall of the right side of the sealing plate (21) is fixedly provided with an anti-overflow ball body (22), and the annular outer wall of the anti-overflow ball body (22) is attached to the inner wall of the insertion pipe (12).

6. A fire retardant breather valve for a hazardous materials storage tank as defined in claim 1, wherein: intubate (12) ring is equipped with the external screw thread to the outer wall left end, just valve body (1) left side outer wall be equipped with intubate (12) complex mounting hole.