CN219340513U - Exhaust system for oil storage tank - Google Patents
Exhaust system for oil storage tank Download PDFInfo
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- CN219340513U CN219340513U CN202320901472.9U CN202320901472U CN219340513U CN 219340513 U CN219340513 U CN 219340513U CN 202320901472 U CN202320901472 U CN 202320901472U CN 219340513 U CN219340513 U CN 219340513U
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- storage tank
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- oil storage
- tank
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Abstract
The utility model discloses an exhaust system for an oil storage tank, wherein a fire arrester and a breather valve are arranged at a manhole of the oil storage tank, so that the safety of the oil storage tank in the use process is ensured, the safety accident that discharged combustible gas explodes when encountering open fire is avoided, the breather valve can be automatically opened and closed along with the positive and negative pressure change of oil gas in the oil storage tank, the gas in the oil storage tank is discharged in time after reaching the upper pressure limit, the internal and external pressure balance of the oil storage tank is kept at all times, and the occurrence of sinking when the oil storage tank is overpressurized or vacuumized is avoided. The discharged oil gas is introduced into the gas recovery processing device and is discharged after being filtered, photolyzed and adsorbed, and discharged gas organic matters leak very little, so that the requirements of energy conservation and environmental protection are met.
Description
Technical Field
The utility model relates to the field of petrochemical equipment, in particular to an exhaust system for an oil storage tank.
Background
The oil storage tank is a container for storing oil, and is divided into an overground oil tank, an underground oil tank and a cave oil tank according to building characteristics. The ground oil tank refers to an oil tank with an oil tank foundation higher than or equal to the lowest elevation of an adjacent area, and is a common oil tank for oil refining enterprises, and is easy to construct, convenient to manage and maintain, but high in evaporation loss and high in ignition risk. The ground oil tank is mostly fixed overhead tank, and the height is generally higher, and the gas all emptys from top blast pipe in the oil tank in the use, has following defect: (1) The fixed top tank is sensitive to temperature change, has obvious thermal effect, rains suddenly in hot summer, air in the empty oil storage tank expands with heat and contracts with cold, the oil storage tank can generate larger air suction amount due to the thermal effect, and the tank body is sunken or even destroyed if the air suction amount is insufficient; (2) The discharge caliber of the fixed top tank is smaller, the pressure in the tank is difficult to keep balanced, the volatile gas in the tank cannot be discharged in time along with the increase of the oil product stored in the tank, the pressure can be gradually increased, and the oil tank has the danger of overpressure; (3) In the discharging process, the medium in the tank volatilizes with great loss and high production cost; (4) The exhaust port is not provided with a fire-retarding device, and the discharged combustible gas has potential safety hazard of explosion when meeting open fire; (5) The direct discharge of the gas can pollute the environment and does not meet the national environmental protection standard.
Disclosure of Invention
The utility model provides an exhaust system for an oil storage tank, and aims to solve the problems that potential safety hazards exist in direct exhaust of gas in the oil storage tank, and medium loss in the tank is large and the environment is polluted in the exhaust process.
The utility model relates to an exhaust system for an oil storage tank, which comprises a flame arrester, wherein one end of the flame arrester is communicated with a manhole of the oil storage tank, the other end of the flame arrester is communicated with an inlet of a breather valve, an outlet of the breather valve is communicated with a gas recovery processing device, the gas recovery processing device comprises a spray tower, an oil mist filter, an oil recovery tank, a photolysis integrated machine and an adsorption tank which are sequentially communicated, and an outlet at the bottom of the oil recovery tank is communicated with an inlet of an oil tank.
Preferably, the adsorption tank is an activated carbon adsorption tank.
Preferably, the particle size of the activated carbon is 0.8-3.0mm, and the length is 3-8mm.
Preferably, the number of the spray towers is at least two.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the exhaust system for the oil storage tank, the original direct discharge port is sealed, the fire arrestor and the breather valve are arranged at the manhole of the oil storage tank, so that the safety of the oil storage tank in the use process is ensured, the safety accident that discharged combustible gas explodes when encountering open fire is avoided, the breather valve can be automatically opened and closed along with the positive and negative pressure change of oil gas in the oil storage tank, the gas in the oil storage tank is timely discharged after the gas reaches the upper pressure limit, the internal and external pressure balance of the oil storage tank is kept at all times, and the occurrence of sinking when the oil storage tank is overpressurized or in vacuum is avoided. The exhaust oil gas lets in gaseous recovery processing device, discharges after filtering, photolysis, adsorb, and exhaust gaseous organic matter reveals very little, satisfies energy-concerving and environment-protective requirement, and this system is repacking on original oil storage tank's basis in addition and establishes, does not change former jar body structure, ensures that oil tank structural strength is not influenced, and the cost is lower, convenient and practical, safe and reliable.
2. According to the exhaust system for the oil storage tank, the oil recovery tank is arranged in the gas recovery treatment device, after oil gas passes through the gas recovery treatment device, residual oil in the oil gas can be recovered to the oil recovery tank and then is introduced into the oil tank, so that the exhaust system can be continuously used when the oil is normally conveyed into the oil storage tank through the oil conveying pump, recycling of resources is realized, and consumption of the oil is reduced.
3. The exhaust system for the oil storage tank, provided by the utility model, has the advantages of high adsorption efficiency, wide application range, convenience in maintenance, large specific surface area, capability of simultaneously treating various mixed waste gases and the like, and the gas adsorbed by the active carbon adsorption tank meets the standard emission requirement.
Drawings
FIG. 1 is a schematic diagram of an exhaust system for an oil storage tank according to the present utility model;
in the figure: 1-an oil storage tank manhole; 2-flame arresters; 3-breather valve; 4-a gas recovery treatment device; 5-a spray tower; 6-an oil mist filter; 7-an oil recovery tank; 8-a photolysis integrated machine; 9-an adsorption tank; 10-an oil pool; 11-an oil storage tank straight drain; 12-an oil delivery pump; 13-an oil storage tank.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1, the utility model relates to an exhaust system for an oil storage tank, which comprises a flame arrester 2, wherein one end of the flame arrester 2 is communicated with a manhole 1 of the oil storage tank, the other end of the flame arrester 2 is communicated with an inlet of a breather valve 3, an outlet of the breather valve 3 is communicated with a gas recovery processing device 4, the gas recovery processing device 4 comprises two spray towers 5, an oil mist filter 6, an oil recovery tank 7, a photolysis integrated machine 8 and an adsorption tank 9 which are sequentially communicated, the adsorption tank 6 adopts an activated carbon adsorption tank, the particle size of activated carbon is 3.0mm, the length of the activated carbon is 8mm, and an outlet at the bottom of the oil recovery tank 7 is communicated with an inlet of an oil tank 10.
The original shale oil storage tank is modified, the shale oil storage tank is a fixed top tank, the diameter of the oil tank is 11.5m, the height of the oil tank is 10m, and the modification steps are as follows:
step one: disassembling a cover plate of the oil storage tank manhole 1, temporarily sealing the disassembled oil storage tank manhole 1 by adopting a flange blind plate, machining and punching the disassembled cover plate, installing a flame arrester 2 and a breather valve 3 on the cover plate, and installing the flame arrester 2 and the breather valve at the position of the oil storage tank manhole 1 after the assembly is completed;
step two: the original straight discharge port 11 of the oil storage tank is plugged by a flange;
step three: the outlet of the breather valve 3 is communicated with the gas recovery processing device 4, the gas exhausted from the oil storage tank 13 is filtered, adsorbed and recovered, the processed gas is discharged into the air, the oil recovered in the oil recovery tank 7 is introduced into the oil tank 10 from the bottom outlet, and the oil recovery tank is continuously used when the oil is normally conveyed into the oil storage tank 13 through the oil conveying pump 12.
The leakage condition of the gas volatile organic compounds treated by the gas recovery treatment device 4 is greatly improved, the gas meets the standard emission requirement, and the oil gas is high in oil resource recovery utilization rate and low in oil consumption after passing through the gas recovery treatment device 4.
Claims (4)
1. An exhaust system for an oil storage tank, characterized in that: including flame arrester (2), flame arrester (2) one end and oil storage tank manhole (1) intercommunication, the other end and breather valve (3) entry intercommunication, breather valve (3) export and gas recovery processing device (4) intercommunication, gas recovery processing device (4) are including spray column (5), oil mist filter (6), oil recovery jar (7), photodissociation all-in-one (8) and adsorption tank (9) that communicate in proper order, oil recovery jar (7) bottom export is linked together with oil tank (10) entry.
2. An exhaust system for an oil storage tank as claimed in claim 1, wherein: the adsorption tank (9) is an activated carbon adsorption tank.
3. An exhaust system for an oil storage tank as claimed in claim 2, wherein: the particle size of the activated carbon is 0.8-3.0mm, and the length is 3-8mm.
4. A drain system for an oil tank as claimed in any one of claims 1 to 3, wherein: the number of the spray towers (5) is at least two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320901472.9U CN219340513U (en) | 2023-04-20 | 2023-04-20 | Exhaust system for oil storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320901472.9U CN219340513U (en) | 2023-04-20 | 2023-04-20 | Exhaust system for oil storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219340513U true CN219340513U (en) | 2023-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320901472.9U Active CN219340513U (en) | 2023-04-20 | 2023-04-20 | Exhaust system for oil storage tank |
Country Status (1)
| Country | Link |
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| CN (1) | CN219340513U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116617698A (en) * | 2023-07-26 | 2023-08-22 | 克拉玛依市科力节能环保技术有限公司 | Oil storage tank dissipation steam greasy dirt recovery unit in viscous crude exploitation |
-
2023
- 2023-04-20 CN CN202320901472.9U patent/CN219340513U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116617698A (en) * | 2023-07-26 | 2023-08-22 | 克拉玛依市科力节能环保技术有限公司 | Oil storage tank dissipation steam greasy dirt recovery unit in viscous crude exploitation |
| CN116617698B (en) * | 2023-07-26 | 2023-11-03 | 克拉玛依市科力节能环保技术有限公司 | Oil storage tank dissipation steam greasy dirt recovery unit in viscous crude exploitation |
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