CN216200913U

CN216200913U - Combustion-supporting air bleeding valve with good flame-retardant effect

Info

Publication number: CN216200913U
Application number: CN202122666732.2U
Authority: CN
Inventors: 杨信忠
Original assignee: Qinhuangdao Xingang Metallurgical Valve Co ltd
Current assignee: Qinhuangdao Xingang Metallurgical Valve Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-04-05
Anticipated expiration: 2031-11-02

Abstract

The utility model provides a combustion-supporting air bleeding valve with a good flame-retardant effect, which comprises a valve body, wherein the top of the valve body is provided with an adjusting part, a valve clack and a vertical valve rod are arranged in the valve body, a floating plate is arranged in the adjusting part, the edge of the floating plate is connected with the inner wall of the adjusting part through a film, the bottom of the floating plate is provided with a vertical pull rod, the bottom of the pull rod is movably connected with the top of the valve rod through a lever, the top of the floating plate is provided with an adjusting spring, the upper surface of the adjusting part is provided with an exhaust main pipe, and a flame-retardant device is arranged on the exhaust main pipe. By adopting the technical scheme, the utility model has the beneficial effects that: the utility model adjusts the pressure in the valve through adjusting the spring and the adjusting screw plug, and simultaneously adds the fire retardant into the ejected fuel gas by utilizing the flame retardant device, thereby reducing the possibility of the fuel gas being ignited, improving the safety performance of the device and avoiding the occurrence of fire accidents.

Description

Combustion-supporting air bleeding valve with good flame-retardant effect

Technical Field

The utility model relates to the field of bleeding valves, in particular to a combustion air bleeding valve with a good flame retardant effect.

Background

The bleeding valve is a safety early warning device arranged on a container or a pipeline, when the pressure in the pipeline or the container exceeds a set value, the valve is automatically opened to leak a part of pressure, and the normal operation of the system is ensured. However, the existing combustion air bleeding valve only discharges gas only, the released gas is easy to ignite when meeting a starry fire point, and fire accidents can be caused when the gas is not properly treated.

SUMMERY OF THE UTILITY MODEL

The utility model provides a combustion-supporting air bleeding valve with a good flame-retardant effect, and aims to solve the problems that the existing combustion-supporting air bleeding valve in the background art can only simply discharge gas, the released gas is easy to ignite when meeting a starry fire point, a fire accident can be caused when improper treatment is carried out, and the like.

The technical scheme of the utility model is realized as follows:

the utility model provides a combustion air diffuses valve that fire-retardant effect is good, includes the valve body, the top of valve body is provided with the regulating part, inside valve clack and the vertical valve rod of being provided with of valve body, be provided with the kickboard in the regulating part, the edge of kickboard pass through the film with the inner wall of regulating part links to each other, the bottom of kickboard is provided with vertical pull rod, the bottom of pull rod with through lever swing joint between the top of valve rod, the top of kickboard is provided with regulating spring, the upper surface of regulating part sets up exhaust manifold, the last flame retardant device that installs of exhaust manifold.

Preferably, the flame retardant device comprises the exhaust main pipe, a sealing plug is arranged at the top of the exhaust main pipe, a horizontal exhaust branch pipe is arranged on one side of the exhaust main pipe, a flame retardant cylinder is arranged above the exhaust branch pipe, and a flame retardant is placed in the flame retardant cylinder.

Preferably, the top of the sealing plug extends out of the opening at the top of the exhaust manifold, and the top of the sealing plug is provided with a movable clamp.

Preferably, the top of the exhaust branch pipe is provided with a communication port, and the communication port is communicated with the interior of the flame-retardant barrel.

Preferably, a butterfly-shaped blocking plate is movably arranged inside the exhaust branch pipe, the center of the butterfly-shaped blocking plate is fixed inside the exhaust branch pipe through a horizontal movable shaft, the top of the butterfly-shaped blocking plate is aligned to the communication port, and a balancing weight is arranged at the bottom of the butterfly-shaped blocking plate.

Preferably, the thickness dimension of the butterfly-shaped plugging plate is larger than the diameter dimension of the communication port.

Preferably, the top of the adjusting part is provided with an adjusting screw plug in a penetrating manner, and the adjusting screw plug is correspondingly matched with the adjusting spring.

Preferably, the bottom of the valve clack is provided with a return spring.

By adopting the technical scheme, the utility model has the beneficial effects that:

the utility model adjusts the pressure in the valve through adjusting the spring and the adjusting screw plug, and simultaneously adds the fire retardant into the ejected fuel gas by utilizing the flame retardant device, thereby reducing the possibility of the fuel gas being ignited, improving the safety performance of the device and avoiding the occurrence of fire accidents.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 external view of the present invention;

fig. 2 is a schematic view of the internal structure of the present invention.

Wherein:

1. a valve body; 2. a valve flap; 3. a return spring; 4. a valve stem; 5. an adjustment section; 6. a lever; 7. a pull rod; 8. a floating plate; 9. a film; 10. adjusting the spring; 11. adjusting a screw plug; 12. an exhaust manifold; 13. a sealing plug; 14. an exhaust branch pipe; 1401. a communication port; 15. a butterfly-shaped closure plate; 16. a flame retardant cartridge; 17. a movable clamp.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a combustion air bleeding valve with good flame retardant effect comprises a valve body 1, a regulating part 5 is arranged at the top of the valve body 1, a valve clack 2 and a vertical valve rod 4 are arranged inside the valve body 1, a floating plate 8 is arranged in the regulating part 5, the edge of the floating plate 8 is connected with the inner wall of the regulating part 5 through a film 9, a vertical pull rod 7 is arranged at the bottom of the floating plate 8, the bottom of the pull rod 7 is movably connected with the top of the valve rod 4 through a lever 6, an adjusting spring 10 is arranged at the top of the floating plate 8, an exhaust main pipe 12 is arranged on the upper surface of the regulating part 5, and a flame retardant device is installed on the exhaust main pipe 12.

Specifically, the flame retardant device comprises an exhaust main pipe 12, a sealing plug 13 is arranged at the top of the exhaust main pipe 12, a horizontal exhaust branch pipe 14 is arranged on one side of the exhaust main pipe 12, a flame retardant cylinder 16 is arranged above the exhaust branch pipe 14, and a flame retardant is placed in the flame retardant cylinder 16.

Specifically, the top of the sealing plug 13 extends out of the opening at the top of the exhaust manifold 12, and the top of the sealing plug 13 is provided with a movable clamp 17; under the standing state, utilize movable clamp 17 to carry out spacing fixed to sealed match, avoid sealing plug 13 to block up exhaust branch 14, when the workman discovers that gas atmospheric pressure is too high to maintain the adjustment, take off movable clamp 17, press sealing plug 13 downwards, block up exhaust branch 14, avoid the gas to continue to spray.

Specifically, the top of the exhaust branch pipe 14 is provided with a communication port 1401, the communication port 1401 is communicated with the interior of the flame-retardant cylinder 16, a butterfly-shaped plugging plate 15 is movably arranged in the exhaust branch pipe 14, the center of the butterfly-shaped plugging plate 15 is fixed in the exhaust branch pipe 14 through a horizontal movable shaft, the top of the butterfly-shaped plugging plate 15 is aligned with the communication port 1401, the bottom of the butterfly-shaped plugging plate 15 is provided with a balancing weight, and the thickness dimension of the butterfly-shaped plugging plate 15 is larger than the diameter dimension of the communication port 1401; so set up, under the normal state of standing by, utilize the weight of balancing weight to make butterfly closure plate 15 keep vertical state, top through butterfly closure plate 15 is blocked up intercommunication mouth 1401, avoid the fire retardant of the inside to reveal, when gas atmospheric pressure is too high and take place to reveal, the gas loops through exhaust manifold 12 and gets into inside exhaust branch 14, under the effect of air current, butterfly closure plate 15 uses the loose axle to overturn as the center, make the top of butterfly closure plate 15 break away from intercommunication mouth 1401, the fire retardant in the fire-retardant section of thick bamboo 16 falls from intercommunication mouth 1401 and mixes with spun gas, reduce the possibility of gas burning, avoid taking place the conflagration.

Specifically, an adjusting screw plug 11 penetrates through the top of the adjusting part 5, and the adjusting screw plug 11 is correspondingly matched with the adjusting spring 10; so set up, through the cooperation of adjusting plug screw 11 and adjusting spring 10, can adjust the pressure in the valve, make it reach required pressure.

Specifically, the bottom of the valve flap 2 is provided with a return spring 3.

The working principle is as follows:

when the gas pressure is too high and leakage occurs, gas enters the exhaust branch pipes 14 through the exhaust main pipe 12 in sequence, the butterfly-shaped blocking plate 15 overturns around the movable shaft under the action of airflow, the top of the butterfly-shaped blocking plate 15 is separated from the communication opening 1401, the flame retardant in the flame-retardant cylinder 16 falls from the communication opening 1401 and is mixed with the sprayed gas, the possibility of gas combustion is reduced, and fire is avoided; when the workman discovers that gas atmospheric pressure is too high to maintain the adjustment, take off movable clamp 17, press sealing plug 13 downwards, block up exhaust branch 14, avoid the gas to continue to spray, butterfly closure plate 15 loses the impact of air current simultaneously, under the effect of butterfly closure plate 15 bottom balancing weight, make butterfly closure plate 15 resume and keep vertical state, utilize the top of butterfly closure plate 15 to block up intercommunication mouth 1401, avoid the fire retardant of the inside to reveal.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a combustion air diffuses valve that flame retardant efficiency is good which characterized in that: including valve body (1), the top of valve body (1) is provided with regulating part (5), valve body (1) inside is provided with valve clack (2) and vertical valve rod (4), be provided with kickboard (8) in regulating part (5), the edge of kickboard (8) pass through film (9) with the inner wall of regulating part (5) links to each other, the bottom of kickboard (8) is provided with vertical pull rod (7), the bottom of pull rod (7) with through lever (6) swing joint between the top of valve rod (4), the top of kickboard (8) is provided with adjusting spring (10), the upper surface of regulating part (5) sets up exhaust house steward (12), install flame retardant device on exhaust house steward (12).

2. The combustion air bleeding valve with good flame retardant effect according to claim 1, characterized in that: the flame retardant device comprises the exhaust main pipe (12), a sealing plug (13) is arranged at the top of the exhaust main pipe (12), a horizontal exhaust branch pipe (14) is arranged on one side of the exhaust main pipe (12), a flame retardant cylinder (16) is arranged above the exhaust branch pipe (14), and a flame retardant is placed in the flame retardant cylinder (16).

3. The combustion air bleeding valve with good flame retardant effect according to claim 2, characterized in that: the top of the sealing plug (13) extends out of the opening at the top of the exhaust main pipe (12), and a movable clamp (17) is arranged at the top of the sealing plug (13).

4. The combustion air bleeding valve with good flame retardant effect according to claim 2, characterized in that: the top of the exhaust branch pipe (14) is provided with a communication opening (1401), and the communication opening (1401) is communicated with the interior of the flame-retardant barrel (16).

5. The combustion air bleeding valve with good flame retardant effect according to claim 4, characterized in that: the exhaust branch pipe (14) is movably provided with a butterfly-shaped plugging plate (15), the center of the butterfly-shaped plugging plate (15) is fixed inside the exhaust branch pipe (14) through a horizontal movable shaft, the top of the butterfly-shaped plugging plate (15) is aligned to the communication port (1401), and the bottom of the butterfly-shaped plugging plate (15) is provided with a balancing weight.

6. The combustion air bleeding valve with good flame retardant effect according to claim 5, characterized in that: the thickness dimension of the butterfly-shaped plugging plate (15) is larger than the diameter dimension of the communication opening (1401).

7. The combustion air bleeding valve with good flame retardant effect according to claim 1, characterized in that: the top of the adjusting part (5) is provided with an adjusting screw plug (11) in a penetrating way, and the adjusting screw plug (11) is correspondingly matched with the adjusting spring (10).

8. The combustion air bleeding valve with good flame retardant effect according to claim 1, characterized in that: and a return spring (3) is arranged at the bottom of the valve clack (2).