CN219317724U - Novel fire-retardant fire-resistant breather valve - Google Patents
Novel fire-retardant fire-resistant breather valve Download PDFInfo
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- CN219317724U CN219317724U CN202320094854.5U CN202320094854U CN219317724U CN 219317724 U CN219317724 U CN 219317724U CN 202320094854 U CN202320094854 U CN 202320094854U CN 219317724 U CN219317724 U CN 219317724U
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Abstract
The utility model relates to the technical field of valves, in particular to a novel fire-retarding and fire-resisting breather valve, which comprises a cylinder barrel, an expiration cylinder barrel, a first fire retarding unit, a second fire retarding unit, an inspiration valve disc assembly, an expiration valve disc assembly, a rain cover and a connecting rod assembly, wherein the first fire retarding unit is arranged at the outer side of an air suction port of the cylinder barrel, the inspiration valve disc assembly is arranged in the cylinder barrel, the expiration cylinder barrel is connected with the cylinder barrel through a connecting end, the expiration valve disc assembly is arranged in the expiration cylinder barrel, the second fire retarding unit is arranged at an expiration port of the expiration cylinder barrel, and the rain cover is arranged at the outer side of the second fire retarding unit and is relatively and fixedly connected with the second fire retarding unit through the connecting rod assembly with fusible alloy. The utility model has the advantages of compact structure, convenient installation and maintenance, burning resistance and high temperature resistance.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a novel fire-retarding and burning-resistant breather valve.
Background
The fire-retardant breather valve is a safety device for preventing the flame of flammable gas and flammable liquid steam from spreading, and can also reduce the evaporation loss of the medium in the storage tank. Is generally installed on a storage tank and prevents propagation of flame from passing through, and consists of a valve body, an expiration cylinder, an expiration and inspiration valve disc assembly, a fire retarding element, a rain cover, a sealing piece, a fastening piece and the like. Fire-blocking breather valves are also commonly used in pipes for transporting flammable gases. If flammable gases are ignited, the gas flame propagates throughout the network. To prevent this hazard, a fire-resistant breather valve is also used. Fire-blocking breather valves may also be used on pipelines with open flame equipment to prevent flashback events.
Most of the fire-retarding breather valves in the prior art are combined fire-retarding breather valves and integrated fire-retarding breather valves, namely, the combined fire-retarding breather valves are simply connected with the breather valve and the fire-retarding device in series, and can achieve the fire retarding performance in various standards, but the mode has the following defects:
1. the simple combination mode is adopted, the weight is too heavy after the combination, the burden on the storage tank with longer service life is large, and the safety factor is unstable.
2. The fire-retardant core needs to be disassembled and cleaned regularly, is difficult to disassemble when installed in the fire-retardant device, and the pores are difficult to clean, so that the ventilation quantity of the combined fire-retardant breather valve is inevitably influenced along with the longer service time.
3. In the prior art, common fire-retardant breather valves are not resistant to burning.
Disclosure of Invention
The utility model solves the problems that: the fire-retardant breather valve in the prior art is heavy in weight, is not resistant to burning and is not easy to detach and clean, and provides a novel fire-retardant breather valve which is compact in structure, convenient to install and overhaul, resistant to burning and high temperature.
The utility model is realized through the following technical scheme that the novel fire-resistant and burn-resistant breather valve comprises a cylinder barrel, an expiration cylinder barrel, a first fire-resistant unit, a second fire-resistant unit, an inspiration valve disc assembly, an expiration valve disc assembly, a rain cover and a connecting rod assembly, wherein the cylinder barrel is provided with a first connecting flange, a second connecting flange and an air suction port, the first connecting flange is connected with equipment, the first fire-resistant unit is arranged at the outer side of the air suction port, the inspiration valve disc assembly is arranged in the cylinder barrel, an inspiration sealing seat is arranged at the air suction port, a valve disc of the inspiration valve disc assembly is abutted against the inspiration sealing seat, the expiration cylinder barrel is provided with a connecting end and an expiration port, the connecting end is connected with the second connecting flange in a matched mode, the expiration sealing seat is arranged at the center of the connecting end, the expiration cylinder barrel is internally provided with the expiration valve assembly, the expiration valve disc assembly is abutted against the expiration sealing seat, the second fire-resistant unit is arranged at the expiration port, and the rain cover is arranged at the outer side of the second fire-resistant unit, and the rain cover is fixedly connected with the connecting rod assembly and the second fire-resistant valve disc through the connecting rod assembly with the easily-fusible alloy.
Further, in order to make things convenient for rain-proof cover can be smooth when meetting long-time burning and exhale the cylinder and separate, the connecting rod subassembly includes first screw rod, second screw rod, fusible alloy, first screw rod passes through the fastener and is connected with the rain-proof cover, second screw rod and second fire-retardant unit are connected, connect through fusible alloy between first screw rod and the second screw rod.
Further, for the convenience rain-proof cover is automatic to be opened when meetting long-time burning, it is articulated through the round pin between rain-proof cover and the expiration cylinder, the round pin overcoat is equipped with the jump ring, the jump ring has the trend of outwards opening the rain-proof cover.
Further, in order to simplify the structure of the fire-retarding unit, the fire-retarding device is convenient to install and disassemble, the first fire-retarding unit comprises a bracket, a pressing plate and a fire-retarding core, the fire-retarding core is placed in the bracket, the pressing plate compresses the fire-retarding core from the end face, the bracket is connected with the pressing plate through a fastener, and the second fire-retarding unit is consistent with the first fire-retarding unit in structure.
Further, in order to facilitate the installation and the disassembly, the periphery of the pressing plate is provided with an installation hole, and the pressing plate is fixed on the air cylinder barrel or the air cylinder barrel through a fastener.
Further, in order to enhance the sealing property between the fire retarding unit and the cylinder barrel, a sealing gasket is arranged between the first fire retarding unit and the air suction cylinder barrel, and a sealing gasket is arranged between the second fire retarding unit and the air exhaling cylinder barrel.
The beneficial effects of the utility model are as follows:
1. the rain cover is relatively and fixedly connected with the second fire-retardant unit through the connecting rod assembly with the fusible alloy, and when the fusible alloy is fused, the rain cover is separated from the expiration cylinder barrel, the concentration of flammable and explosive gas or liquid steam is reduced while the temperature is reduced, and the long-time burning-resistant function of the fireproof burning-resistant breather valve is realized.
2. According to the utility model, the first fire-retarding unit and the second fire-retarding unit respectively realize the fire-retarding function of the air suction port and the air breathing port, so that external flames cannot enter the storage tank through the air suction port and the air breathing port, and the safety is improved.
3. The first fire-retardant unit and the second fire-retardant unit adopt a modularized design, are convenient to install and disassemble, are convenient to clean and maintain, and reduce the influence on ventilation.
4. The utility model has simple structure, does not need to be like the inner and outer cavities of the integrated fire-retardant breather valve, also does not need to be like the combination of two independent products, and compared with the prior products, the weight of the fire-retardant breather valve is greatly reduced, thereby being easy to lift and install and greatly reducing the cost.
Drawings
FIG. 1 is a schematic diagram of a novel fire-retardant burn-resistant breather valve according to the present utility model;
FIG. 2 is an enlarged view of a portion of the first firestop unit;
FIG. 3 is an enlarged view of a portion of the second firestop unit;
fig. 4 is a left side view at the rain shield.
In the figure:
1, a cylinder barrel; 101 a first connection flange; 102 a second connection flange; 103 air suction ports; 104, an air suction sealing seat;
2, an expiration cylinder; a 201 connection end; 202, an air outlet; 203 an exhalation seal seat;
3 a first firestop unit; 301 a bracket; 302 a pressing plate; 303 firestop cores;
4 a second firestop unit;
5 an aspiration valve disc assembly;
6 an exhalation valve disc assembly;
7, a rain cover;
8 a connecting rod assembly; 801 a first screw; 802 a second screw; 803 fusible alloy;
9 pins;
10 clamping springs;
11 sealing gaskets.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some of the embodiments of the present utility model, i.e. Shi Li, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1-4, the novel fire-resistant breather valve comprises a cylinder barrel 1, an expiration cylinder barrel 2, a first fire-resistant unit 3, a second fire-resistant unit 4, an inspiration valve disc assembly 5, an expiration valve disc assembly 6, a rain cover 7 and a connecting rod assembly 8, wherein the cylinder barrel 1 is provided with a first connecting flange 101, a second connecting flange 102 and an air suction port 103, the first connecting flange 101 is connected with equipment, the first fire-resistant unit 3 is installed outside the air suction port 103, the inspiration valve disc assembly 5 is installed in the cylinder barrel 1, the air suction port 103 is provided with an inspiration sealing seat 104, a valve disc of the inspiration valve disc assembly 5 is abutted against the inspiration sealing seat 104, the expiration cylinder barrel 2 is provided with a connecting end 201 and an expiration port 202, the connecting end 201 and the second connecting flange 102 are in matched connection, the expiration sealing seat 203 is arranged in the center of the expiration cylinder barrel 2, the expiration valve disc assembly 6 and the expiration sealing seat 203 are abutted against each other, the expiration valve disc assembly 4 is installed at the expiration port 202, and the second fire-resistant unit 4 is fixedly connected with the connecting rod assembly 803, and the rain cover 7 is connected with the rain cover 7 by the rain cover.
In the scheme, the first connecting flange 101 is connected with the storage tank, so that the function of a breather valve can be realized, and when the pressure of a medium in the tank is within the control operation pressure range of the breather valve, the breather valve does not work, and the tightness of the oil tank is kept; when medium is replenished into the tank to raise the pressure of the upper gas space in the tank and reach the operation positive pressure of the breather valve, the exhalation valve disc assembly 6 is jacked up, and gas escapes from the exhalation port 202, so that the pressure in the tank is not continuously raised; when the medium is pumped out of the tank, the pressure of the upper gas space in the tank is reduced, and when the operation negative pressure of the breather valve is reached, the atmosphere outside the tank pushes the air suction valve disc assembly 5 open, so that the external gas enters the tank, the pressure in the tank is not reduced continuously, and the pressure in the tank and the pressure outside the tank are balanced to protect the storage tank. The first firestop unit 3 can realize the firestop function of the suction port 103, and when the inflammable gas or liquid accumulated outside the suction cylinder 1 is ignited by the flame, the flame flows reversely to the inside of the breather valve, and at this time, the fire is successfully stopped by the first firestop element 3. The second firestop unit 4 can realize the firestop function of the exhalation port 202, when the inflammable gas or liquid accumulated outside the exhalation cylinder 2 is ignited by the flame, the flame flows reversely to the inside of the breather valve, and at this time is successfully firestopped by the second firestop element 4. The rain-proof cover 7 is relatively fixedly connected with the second fire-retardant unit 4 through the connecting rod assembly 8 with the fusible alloy 803, when the fusible alloy 803 is fused, the rain-proof cover 7 is separated from the expiration cylinder barrel 2, the concentration of flammable and explosive gas or liquid vapor is reduced while the temperature is reduced, and the long-time burning-resistant function of the fireproof burning-resistant breather valve is realized.
In practical application, in order to make things convenient for rain cover 7 to meet long-time burning time, can smooth and exhale cylinder 2 separation, connecting rod assembly 8 includes first screw rod 801, second screw rod 802, fusible alloy 803, first screw rod 801 passes through the fastener and is connected with rain cover 7, second screw rod 802 and second fire retardant unit 4 are connected, connect through fusible alloy 803 between first screw rod 801 and the second screw rod 802.
In practical application, in order to make things convenient for rain-proof cover 7 to open automatically when meetting long-time burning, hinge through round pin 9 between rain-proof cover 7 and the expiration cylinder 2, round pin 9 overcoat is equipped with jump ring 10, jump ring 10 has the trend of outwards opening rain-proof cover 7.
In practical application, in order to simplify the structure of the fire-retardant unit, the first fire-retardant unit 3 comprises a bracket 301, a pressing plate 302 and a fire-retardant core 303, wherein the fire-retardant core 303 is arranged in the bracket 301, the pressing plate 302 presses the fire-retardant core 303 from the end face, the bracket 301 and the pressing plate 302 are connected through a fastener, and the second fire-retardant unit 4 and the first fire-retardant unit 3 are identical in structure.
In practical application, in order to facilitate the installation and the disassembly, the periphery of the pressing plate 302 is provided with an installation hole, and the pressing plate 302 is fixed on the air cylinder 2 or the air suction cylinder 1 through a fastener.
In practical application, in order to enhance the tightness between the firestop unit and the cylinder barrel, a sealing gasket 11 is arranged between the first firestop unit 3 and the air suction cylinder barrel 1, and a sealing gasket 11 is arranged between the second firestop unit 4 and the air discharge cylinder barrel 2.
In conclusion, the novel fire-retarding and fire-resisting breather valve has the advantages of compact structure, convenience in installation and overhaul, fire resistance and high temperature resistance.
The foregoing has outlined and described the basic principles, features, and advantages of the present utility model. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concept and features of the present utility model, and the present utility model can be implemented by those skilled in the art without limiting the scope of the utility model, therefore, all equivalent changes or modifications that are made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (6)
1. A novel fire-retardant fire-resistant breather valve is characterized in that: including a cylinder barrel (1), an expiration cylinder barrel (2), a first fire-blocking unit (3), a second fire-blocking unit (4), an inspiration valve disc assembly (5), an expiration valve disc assembly (6), a rain cover (7), a connecting rod assembly (8), the cylinder barrel (1) is provided with a first connecting flange (101), a second connecting flange (102), an air suction port (103), the first connecting flange (101) is connected with equipment, the first fire-blocking unit (3) is installed on the outer side of the air suction port (103), the inspiration valve disc assembly (5) is installed in the cylinder barrel (1), an inspiration sealing seat (104) is arranged at the air suction port (103), the valve disc of the inspiration valve disc assembly (5) is propped against the inspiration sealing seat (104), the expiration cylinder barrel (2) is provided with a connecting end (201) and an expiration port (202), the central position of the connecting end (201) is provided with an expiration sealing seat (203), the expiration cylinder barrel (2) is internally provided with the valve disc assembly (6), the expiration valve disc assembly (6) is propped against the expiration sealing seat (203) and the expiration valve disc (4), the outside of second fire prevention unit (4) is provided with rain-proof cover (7), rain-proof cover (7) are through connecting rod subassembly (8) and second fire prevention unit (4) relatively fixed connection that have fusible alloy (803).
2. The novel fire-retardant and fire-resistant breather valve according to claim 1, wherein: the connecting rod assembly (8) comprises a first screw (801), a second screw (802) and a fusible alloy (803), wherein the first screw (801) is connected with the rain cover (7) through a fastener, the second screw (802) is connected with the second fire retarding unit (4), and the first screw (801) is connected with the second screw (802) through the fusible alloy (803).
3. The novel fire-retardant and fire-resistant breather valve according to claim 2, wherein: the rain cover (7) is hinged with the expiration cylinder barrel (2) through a pin (9), a clamp spring (10) is sleeved outside the pin (9), and the clamp spring (10) has a trend of opening the rain cover (7) outwards.
4. A novel firestop fire-resistant breather valve according to any one of claims 1 to 3, characterized in that: the first fire-retarding unit (3) comprises a bracket (301), a pressing plate (302) and a fire-retarding core (303), wherein the fire-retarding core (303) is arranged in the bracket (301), the pressing plate (302) tightly presses the fire-retarding core (303) from the end face, the bracket (301) is connected with the pressing plate (302) through a fastener, and the second fire-retarding unit (4) is consistent with the first fire-retarding unit (3) in structure.
5. The novel fire-retardant and fire-resistant breather valve according to claim 4, wherein: the periphery of the pressing plate (302) is provided with a mounting hole, and the pressing plate (302) is fixed on the exhalation cylinder barrel (2) or the inhalation cylinder barrel (1) through a fastener.
6. The novel fire-retardant and fire-resistant breather valve according to claim 1, wherein: a sealing gasket (11) is arranged between the first fire retarding unit (3) and the air suction cylinder (1), and a sealing gasket (11) is arranged between the second fire retarding unit (4) and the air exhaling cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320094854.5U CN219317724U (en) | 2023-02-01 | 2023-02-01 | Novel fire-retardant fire-resistant breather valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320094854.5U CN219317724U (en) | 2023-02-01 | 2023-02-01 | Novel fire-retardant fire-resistant breather valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219317724U true CN219317724U (en) | 2023-07-07 |
Family
ID=87003973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320094854.5U Active CN219317724U (en) | 2023-02-01 | 2023-02-01 | Novel fire-retardant fire-resistant breather valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219317724U (en) |
-
2023
- 2023-02-01 CN CN202320094854.5U patent/CN219317724U/en active Active
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