CN219884703U - Explosion-proof breather valve for petroleum storage tank - Google Patents
Explosion-proof breather valve for petroleum storage tank Download PDFInfo
- Publication number
- CN219884703U CN219884703U CN202320499088.0U CN202320499088U CN219884703U CN 219884703 U CN219884703 U CN 219884703U CN 202320499088 U CN202320499088 U CN 202320499088U CN 219884703 U CN219884703 U CN 219884703U
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- China
- Prior art keywords
- cooling liquid
- fire
- storage tank
- pipe
- breather valve
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- 239000003208 petroleum Substances 0.000 title claims abstract description 21
- 239000000110 cooling liquid Substances 0.000 claims abstract description 46
- 239000003063 flame retardant Substances 0.000 claims abstract description 45
- 239000007921 spray Substances 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims description 34
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000002688 persistence Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 239000012809 cooling fluid Substances 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004200 deflagration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Landscapes
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model belongs to the technical field of petroleum storage, and particularly discloses an explosion-proof breather valve for a petroleum storage tank, which comprises the following components: the cooling device comprises a breather valve main body, an air flow pipe, a fire-retarding plate and a temperature sensor, wherein a cooling liquid storage tank for storing cooling liquid is fixed on one side of the air flow pipe, a conveying pump is fixed on one side of the cooling liquid storage tank, the input end of the conveying pump is connected with the inside of the cooling liquid storage tank through an extracting pipe, the output end of the conveying pump is provided with a conveying pipe, one end of the conveying pipe is connected with the output end of the conveying pump, and the other end of the conveying pipe extends into the air flow pipe and is fixedly provided with a spray head; when the temperature of the fire-retardant plate exceeds the safe temperature, the conveying pump conveys the cooling liquid stored in the cooling liquid storage tank to the spray head through the conveying pipe, and the cooling liquid is sprayed onto the fire-retardant plate through the spray head to cool the fire-retardant plate, so that the fire-retardant plate is always in a low-temperature state, and the fire-retardant plate has good fire-retardant persistence.
Description
Technical Field
The utility model relates to the technical field of petroleum storage, in particular to an explosion-proof breather valve for a petroleum storage tank.
Background
The breather valve is arranged on the oil tank breather pipe, can be automatically opened and closed along with the change of the positive and negative pressure of oil gas in the oil tank, so that the pressure difference between the air inside and outside the oil tank is kept within an allowable value range, the oil tank can generate combustible gas when storing oil, and the combustible gas is discharged along with the breather valve when exhausting, so as to prevent the discharged gas from igniting and spreading into the oil tank, the explosion-proof breather valve is arranged on the oil tank breather pipe, and utilizes the fire-retardant plate hole to absorb heat to flame, so that the flame is extinguished due to heat loss, and the flame is prevented from spreading into the oil tank to cause deflagration.
The fire-retarding plate of the prior explosion-proof breather valve has no cooling structure, when the flame duration is longer, the temperature of the fire-retarding plate can continuously rise, the fire-retarding effect continuously decreases along with the temperature, until the fire-retarding effect is lost, and the duration of fire retarding is lower. Accordingly, a person skilled in the art provides an explosion-proof breather valve for a petroleum tank to solve the problems set forth in the background art described above.
Disclosure of Invention
The utility model aims to provide an explosion-proof breather valve for a petroleum storage tank, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
an explosion-proof breather valve for a petroleum storage tank, comprising:
the breather valve comprises a breather valve main body, wherein an air flow pipe for air intake and exhaust is fixed on one side of the breather valve main body;
the fire-retardant plate is fixed on the inner wall of the output end of the airflow pipe;
the temperature sensor is fixed on the fire-retardant plate and used for monitoring the temperature of the fire-retardant plate in real time
The cooling liquid storage tank is fixed with on one side of the air flow pipe, a conveying pump is fixed on one side of the cooling liquid storage tank, the input end of the conveying pump is connected with the inside of the cooling liquid storage tank through a liquid suction pipe, the output end of the conveying pump is provided with a conveying pipe, one end of the conveying pipe is connected with the output end of the conveying pump, the other end of the conveying pipe extends to the inside of the air flow pipe and is fixedly provided with a spray head, and when the temperature of the fire-retardant plate exceeds the safe temperature, the conveying pump conveys the cooling liquid stored in the cooling liquid storage tank to the spray head through the conveying pipe and sprays the cooling liquid onto the fire-retardant plate through the spray head.
As still further aspects of the utility model: the air flow pipe is fixedly penetrated by a sheath, and the conveying pipe extends to the inside of the air flow pipe through the sheath.
As still further aspects of the utility model: the bottom end of the airflow pipe is fixed with a rainproof cover for preventing rain.
As still further aspects of the utility model: the rain-proof cover's below is equipped with the ascending liquid collecting cover of opening, is used for collecting the coolant liquid of drip on the fire-retardant board, the bottom mounting of liquid collecting cover has the fluid-discharge tube that is used for the coolant liquid to discharge.
As still further aspects of the utility model: the inner diameter of the opening end of the liquid collecting cover is larger than the outer diameter of the air flow pipe, and the outer diameter of the opening end of the liquid collecting cover is smaller than the inner diameter of the opening end of the rain cover.
As still further aspects of the utility model: a supporting frame is fixed between the outer wall of the liquid collecting cover and the inner wall of the rain-proof cover, and the liquid collecting cover is fixedly connected with the rain-proof cover through the supporting frame.
As still further aspects of the utility model: the cooling liquid storage tank is made of transparent plastic.
Compared with the prior art, the utility model has the beneficial effects that:
when the temperature of the fire-retardant plate exceeds the safe temperature, the conveying pump conveys the cooling liquid stored in the cooling liquid storage tank to the spray head through the conveying pipe, and the cooling liquid is sprayed onto the fire-retardant plate through the spray head to cool the fire-retardant plate, so that the fire-retardant plate is always in a low-temperature state, and the fire-retardant plate has good fire-retardant persistence.
Drawings
FIG. 1 is a schematic diagram of an explosion-proof breather valve for a petroleum storage tank;
FIG. 2 is a schematic view of the internal structure of an air flow pipe in an explosion-proof breather valve for a petroleum storage tank;
fig. 3 is an enlarged schematic view of fig. 2 at a.
In the figure: 10. a breather valve body; 11. a gas flow tube; 111. a sheath; 12. a fire-retardant plate; 13. a rain cover; 20. a cooling liquid storage tank; 21. a transfer pump; 22. a delivery tube; 23. a spray head; 24. a liquid suction pipe; 30. a temperature sensor; 40. a liquid collecting cover; 41. a liquid discharge pipe; 42. and (5) supporting frames.
Detailed Description
For a better understanding of the technical content of the present utility model, specific examples are set forth below, along with the accompanying drawings. Aspects of the utility model are described in this disclosure with reference to the drawings, in which are shown a number of illustrative embodiments. The embodiments of the present disclosure are not necessarily intended to include all aspects of the utility model. It should be understood that the various concepts and embodiments described above, as well as those described in more detail below, may be implemented in any of a number of ways, as the disclosed concepts and embodiments are not limited to any implementation. Additionally, some aspects of the disclosure may be used alone or in any suitable combination with other aspects of the disclosure.
An explosion-proof breather valve for a petroleum storage tank, in combination with the examples shown in fig. 1-3, comprising: a breather valve main body 10, an air flow pipe 11, and a fire-retardant plate 12.
The breather valve body 10 is internally provided with a negative pressure valve disc and a positive pressure valve disc, the breather valve is arranged on the oil tank, 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, so that the tightness of the oil tank is maintained; when medium is supplemented 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 positive pressure valve disc is jacked up, and gas escapes from the breather valve gas flow pipe, 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, when the operation negative pressure of the breather valve is reached, the negative pressure valve disc of the breather valve is jacked up by the atmosphere outside the tank, so that the external gas enters the tank, the pressure in the tank is not continuously reduced, the pressure in the tank is balanced with the pressure outside the tank, the safety of the storage tank is protected, the combustible gas generated by petroleum in the tank is easy to burn when the pressure in the tank is high to cause gas discharge, the fire-retardant plate 12 plays a role in fire-retardant, and when the flame passes through a narrow hole of the fire-retardant plate 12, the flame is extinguished due to heat loss, and the flame is prevented from spreading into the tank.
The fire-retardant plate 12 of the prior explosion-proof breather valve has no cooling structure, when the flame duration is longer, the temperature of the fire-retardant plate 12 can continuously rise, the fire-retardant effect continuously decreases until the fire-retardant effect is lost, and the fire-retardant duration is lower.
As shown in fig. 1 and 2, a cooling liquid storage tank 20 for storing cooling liquid is fixed on one side of an airflow pipe 11, a delivery pump 21 is fixed on one side of the cooling liquid storage tank 20, an input end of the delivery pump 21 is connected with the inside of the cooling liquid storage tank 20 through a liquid suction pipe 24, an output end of the delivery pump 21 is provided with a delivery pipe 22, one end of the delivery pipe 22 is connected with an output end of the delivery pump 21, the other end of the delivery pipe 22 extends into the airflow pipe 11 and is fixed with a spray head 23, when the temperature of the fire-retardant plate 12 exceeds a safe temperature, the delivery pump 21 delivers the cooling liquid stored in the cooling liquid storage tank 20 to the spray head 23 through the delivery pipe 22 and sprays the cooling liquid to the fire-retardant plate 12 through the spray head 23, and the temperature of the fire-retardant plate 12 is reduced, so that the fire-retardant plate 12 is always in a low-temperature state and has good fire-retardant continuity.
Further, a temperature sensor 30 is fixed on the fire-retardant plate 12, the temperature of the fire-retardant plate 12 is monitored in real time through the temperature sensor 30, the temperature sensor 30 and the delivery pump 21 are both connected with an external controller through signals, the temperature sensor 30 transmits signals to the external controller, and the external controller controls the delivery pump 21 to be started or stopped.
In an alternative embodiment, the cooling fluid storage tank 20 is made of transparent plastic, so that the inspection personnel can observe the liquid level of the cooling fluid and supplement the cooling fluid in time.
As shown in fig. 2, the sheath 111 is fixedly inserted into the airflow tube 11, and the duct 22 extends into the airflow tube 11 through the sheath 111, and the signal line of the temperature sensor 30 also passes through the sheath 111.
Referring to fig. 2, the bottom end of the air flow pipe 11 is fixed with a rain-proof cover 13, the rain-proof cover 13 plays a role in rain protection, an upwardly opened liquid collecting cover 40 is arranged below the rain-proof cover 13 and used for collecting the cooling liquid dropped on the fire-retarding plate 12, a liquid discharge pipe 41 used for discharging the cooling liquid is fixed at the bottom end of the liquid collecting cover 40, when the spray head 23 sprays the cooling liquid to cool the fire-retarding plate 12, the cooling liquid drops downwards along the pores of the fire-retarding plate 12 and drops into the liquid collecting cover 40, and then is uniformly discharged through the liquid discharge pipe 41, so that the cooling liquid is prevented from dropping onto the tank to cause tank corrosion.
Further, the inner diameter of the opening end of the liquid collecting cover 40 is larger than the outer diameter of the airflow pipe 11, the dropped cooling liquid in the airflow pipe 11 can be collected by the liquid collecting cover 40, the cooling liquid is prevented from dropping onto the tank body of the petroleum storage tank, the outer diameter of the opening end of the liquid collecting cover 40 is smaller than the inner diameter of the opening end of the rain cover 13, and the normal flow of the airflow is ensured.
In an alternative embodiment, a support frame 42 is fixed between the outer wall of the liquid collecting cover 40 and the inner wall of the rain cover 13, and the liquid collecting cover 40 is fixedly connected with the rain cover 13 through the support frame 42, and meanwhile, the support frame 42 does not prevent the normal circulation of air flow.
The working principle of the utility model is as follows: when the temperature of the fire-retardant plate 12 exceeds the safe temperature, the conveying pump 21 conveys the cooling liquid stored in the cooling liquid storage tank 20 to the spray head 23 through the conveying pipe 22, and sprays the cooling liquid onto the fire-retardant plate 12 through the spray head 23, so that the fire-retardant plate 12 is always in a low-temperature state, the fire-retardant plate 12 has good fire-retardant continuity, the cooling liquid drops downwards along the holes of the fire-retardant plate 12 and drops into the liquid collecting cover 40, and then is uniformly discharged through the liquid discharge pipe 41, so that the cooling liquid is prevented from dropping onto the tank body to cause tank body corrosion.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (7)
1. The explosion-proof breather valve for the petroleum storage tank is characterized by comprising:
a breather valve main body (10), wherein an air flow pipe (11) for air intake and exhaust is fixed on one side of the breather valve main body (10);
a fire-retardant plate (12) fixed on the inner wall of the output end of the airflow pipe (11);
a temperature sensor (30) fixed to the firestop plate (12) and adapted to monitor the temperature of the firestop plate (12) in real time
The cooling liquid storage tank (20) used for storing cooling liquid is fixed on one side of the air flow pipe (11), the conveying pump (21) is fixed on one side of the cooling liquid storage tank (20), the input end of the conveying pump (21) is connected with the inside of the cooling liquid storage tank (20) through the liquid suction pipe (24), the output end of the conveying pump (21) is provided with the conveying pipe (22), one end of the conveying pipe (22) is connected with the output end of the conveying pump (21), the other end of the conveying pipe (22) extends to the inside of the air flow pipe (11) and is fixedly provided with the spray head (23), and when the temperature of the fire-retardant plate (12) exceeds a safe temperature, the conveying pump (21) conveys the cooling liquid stored in the cooling liquid storage tank (20) to the spray head (23) through the conveying pipe (22) and sprays the spray head (23) onto the fire-retardant plate (12).
2. The explosion-proof breather valve for a petroleum tank according to claim 1, wherein a sheath (111) is fixedly penetrated through the gas flow pipe (11), and the delivery pipe (22) extends into the gas flow pipe (11) through the sheath (111).
3. The explosion-proof breather valve for the petroleum storage tank according to claim 1, wherein the bottom end of the air flow pipe (11) is fixed with a rain cover (13) for preventing rain.
4. An explosion-proof breather valve for a petroleum storage tank according to claim 3, characterized in that a liquid collecting cover (40) with an upward opening is arranged below the rain cover (13) for collecting the cooling liquid dropped on the fire-retarding plate (12), and a liquid discharge pipe (41) for discharging the cooling liquid is fixed at the bottom end of the liquid collecting cover (40).
5. The explosion-proof breather valve for a petroleum tank according to claim 4, wherein the inner diameter of the open end of the liquid collecting cover (40) is larger than the outer diameter of the gas flow pipe (11), and the outer diameter of the open end of the liquid collecting cover (40) is smaller than the inner diameter of the open end of the rain cover (13).
6. The explosion-proof breather valve for the petroleum storage tank according to claim 4, wherein a supporting frame (42) is fixed between the outer wall of the liquid collecting cover (40) and the inner wall of the rain cover (13), and the liquid collecting cover (40) is fixedly connected with the rain cover (13) through the supporting frame (42).
7. The explosion-proof breather valve for a petroleum tank according to claim 1, wherein said cooling liquid tank (20) is made of transparent plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320499088.0U CN219884703U (en) | 2023-03-15 | 2023-03-15 | Explosion-proof breather valve for petroleum storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320499088.0U CN219884703U (en) | 2023-03-15 | 2023-03-15 | Explosion-proof breather valve for petroleum storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219884703U true CN219884703U (en) | 2023-10-24 |
Family
ID=88395182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320499088.0U Active CN219884703U (en) | 2023-03-15 | 2023-03-15 | Explosion-proof breather valve for petroleum storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219884703U (en) |
-
2023
- 2023-03-15 CN CN202320499088.0U patent/CN219884703U/en active Active
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