CN217418184U - Oil gas differential pressure condensation recovery device of filling station - Google Patents
Oil gas differential pressure condensation recovery device of filling station Download PDFInfo
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- CN217418184U CN217418184U CN202123063928.9U CN202123063928U CN217418184U CN 217418184 U CN217418184 U CN 217418184U CN 202123063928 U CN202123063928 U CN 202123063928U CN 217418184 U CN217418184 U CN 217418184U
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- differential pressure
- electromagnetic valve
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- oil
- storage tank
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention relates to a gas-oil differential pressure condensation recovery device of a gas station. The device comprises a condenser, a differential pressure recovery tank, a plurality of electromagnetic valves, an oil storage tank and a pipeline; the air inlet of the condenser is connected with the oil storage tank and used for condensing oil gas entering the condenser; one end of the differential pressure recovery tank is connected with the condenser; the other end is connected with the oil storage tank; the electromagnetic valves are respectively installed on pipelines among the condenser, the differential pressure recovery tank and the oil storage tank, and the opening and closing states of the pipelines are realized according to working requirements. The device generates pressure difference through the cooling of the condenser, so that oil gas in the oil storage tank can quickly enter the condenser for cooling; two levels of differential pressure recovery tanks are adopted to form two 'U-shaped' communicating vessels, so that oil gas which is not completely cooled in a condenser is further absorbed, and the oil gas recovery rate is improved; can realize the high-efficient recovery of oil gas, the device is simple, and area is little, and it is convenient to maintain.
Description
Technical Field
The invention relates to the technical field of oil gas recovery of gas stations, in particular to an oil gas differential pressure condensation recovery device of a gas station.
Background
Light oil products such as gasoline inevitably volatilize in the storage and transportation processes, and volatilized oil gas not only can cause the waste of energy, but also can generate great harm to the environment, health, safety and the like. In recent years, as the awareness of the people about environmental protection increases and the national policy demands for environmental protection, the standards for oil and gas emission in gas stations and the like become more stringent. At present, the main oil gas discharge recovery treatment methods include a condensation adsorption method, a molecular sieve adsorption method, an activated carbon adsorption method and a mixed adsorption method combining the methods. However, the final recovery efficiency is not high in any of the above recovery methods.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the invention aims to provide a device capable of efficiently recovering oil gas.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a gas station oil gas differential pressure condensation recovery device comprises a condenser, a differential pressure recovery tank, a plurality of electromagnetic valves, an oil storage tank and a pipeline;
the air inlet of the condenser is connected with the oil storage tank and is used for condensing oil gas entering the condenser;
one end of the differential pressure recovery tank is connected with the condenser; the other end is connected with the oil storage tank;
the electromagnetic valves are respectively installed on pipelines among the condenser, the differential pressure recovery tank and the oil storage tank, and the opening and closing states of the pipelines are realized according to working requirements.
Further, differential pressure recovery jar has two, is one-level differential pressure recovery jar and second grade differential pressure recovery jar respectively, the entry of one-level differential pressure recovery jar with the oil storage tank links to each other, the export with second grade differential pressure recovery jar entry links to each other, second grade differential pressure recovery jar export with the oil storage tank links to each other.
Furthermore, the number of the electromagnetic valves is four, and the electromagnetic valves comprise a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve and a fourth electromagnetic valve; one end of the first electromagnetic valve is connected with the oil storage tank, and the other end of the first electromagnetic valve is connected with an exhaust port; one end of the second electromagnetic valve is connected with the oil storage tank, and the other end of the second electromagnetic valve is connected with an inlet of the condenser; two ends of the third electromagnetic valve are respectively connected with the primary differential pressure recovery tank and the secondary differential pressure recovery tank; one end of the fourth electromagnetic valve is connected with the second-stage differential pressure recovery tank, and the other end of the fourth electromagnetic valve is connected with an oil return port of the oil storage tank.
Further, a gas concentration sensor is arranged on a pipeline between the first electromagnetic valve and the exhaust port and used for detecting the gas concentration in the pipeline.
Further, the air inlet pipeline is provided with a pressure sensor for detecting the pressure of the air inlet.
Further, the primary differential pressure recovery tank is provided with a first liquid level meter, and the secondary differential pressure recovery tank is provided with a second liquid level meter.
Furthermore, a pipeline is arranged between the air inlet and the first electromagnetic valve and communicated with the secondary differential pressure recovery tank.
Further, the electromagnetic valve further comprises a microcontroller, and the microcontroller is electrically connected with the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve and controls the first electromagnetic valve, the second electromagnetic valve and the fourth electromagnetic valve to be opened and closed.
The beneficial technical effects brought by the technical scheme provided by the embodiment of the application comprise:
1. pressure difference is generated by cooling the condenser, so that oil gas in the oil storage tank can quickly enter the condenser for cooling;
2. two levels of differential pressure recovery tanks are adopted to form two 'U-shaped' communicating vessels, so that oil gas which is not completely cooled in a condenser is further absorbed, and the oil gas recovery rate is improved;
3. can realize the high-efficient recovery of oil gas, the device is simple, and area is little, and it is convenient to maintain.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present invention.
Wherein: the system comprises a gas inlet 1, a gas concentration sensor 2, a pressure sensor 3, a condenser 4, a primary differential pressure recovery tank 5, a secondary differential pressure recovery tank 6, a first electromagnetic valve 7, a second electromagnetic valve 8, a third electromagnetic valve 9, a fourth electromagnetic valve 10, an oil return port 11, an oil storage tank 12, an exhaust port 13, a first liquid level meter 14 and a second liquid level meter 15.
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 obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention.
As shown in figure 1, the oil gas differential pressure condensation recovery device of the gas station comprises a condenser, a differential pressure recovery tank, a plurality of electromagnetic valves, an oil storage tank and a pipeline;
the air inlet of the condenser is connected with the oil storage tank and is used for condensing oil gas entering the condenser;
one end of the differential pressure recovery tank is connected with the condenser; the other end is connected with the oil storage tank;
the electromagnetic valves are respectively installed on pipelines among the condenser, the differential pressure recovery tank and the oil storage tank, and the opening and closing states of the pipelines are realized according to working requirements.
As a preferred scheme of the present invention, there are two differential pressure recovery tanks, which are a primary differential pressure recovery tank and a secondary differential pressure recovery tank, respectively, an inlet of the primary differential pressure recovery tank is connected to the oil storage tank, an outlet of the primary differential pressure recovery tank is connected to an inlet of the secondary differential pressure recovery tank, and an outlet of the secondary differential pressure recovery tank is connected to the oil storage tank.
As a preferred scheme of the present invention, the number of the plurality of solenoid valves is four, and the solenoid valves include a first solenoid valve, a second solenoid valve, a third solenoid valve and a fourth solenoid valve; one end of the first electromagnetic valve is connected with the oil storage tank, and the other end of the first electromagnetic valve is connected with an exhaust port; one end of the second electromagnetic valve is connected with the oil storage tank, and the other end of the second electromagnetic valve is connected with an inlet of the condenser; two ends of the third electromagnetic valve are respectively connected with the primary differential pressure recovery tank and the secondary differential pressure recovery tank; one end of the fourth electromagnetic valve is connected with the second-stage differential pressure recovery tank, and the other end of the fourth electromagnetic valve is connected with an oil return port of the oil storage tank.
In a preferred embodiment of the present invention, a gas concentration sensor is disposed on a pipe between the first electromagnetic valve and the exhaust port to detect a gas concentration in the pipe.
As a preferable aspect of the present invention, the air inlet pipe is provided with a pressure sensor for detecting a pressure of the air inlet.
In a preferred embodiment of the present invention, the primary differential pressure recovery tank is provided with a first liquid level meter, and the secondary differential pressure recovery tank is provided with a second liquid level meter for detecting liquid levels in the primary differential pressure recovery tank and the secondary differential pressure recovery tank, respectively.
As a preferable scheme of the present invention, a pipeline is arranged between the air inlet and the first electromagnetic valve and is communicated with the secondary differential pressure recovery tank.
As a preferable scheme of the present invention, the present invention further comprises a microcontroller, wherein the microcontroller is electrically connected to the first to fourth electromagnetic valves and controls the first to fourth electromagnetic valves to open and close.
The working principle of the invention is as follows: when the gas concentration sensor at the air outlet detects that the gas emission concentration in the pipeline does not exceed the emission standard, the microcontroller controls to open the first electromagnetic valve, close the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve, the condenser is shut down, and the gas in the pipeline is directly discharged through the air outlet. When the gas emission concentration in the pipeline is not up to the standard, closing the first electromagnetic valve, opening the second electromagnetic valve, when the temperature in the condenser reaches the starting temperature of 30 ℃, starting the condenser to work, cooling the oil gas in the pipeline in the condenser, converting the cooled oil gas into a mixture of liquid and gas, finally, allowing the mixture to enter the primary differential pressure recovery tank through the condenser, fully mixing the gaseous gasoline and the liquid gasoline in the primary differential pressure recovery tank, absorbing most of the gaseous gasoline by the liquid gasoline in the primary differential pressure recovery tank, and opening the third electromagnetic valve after the liquid gasoline in the primary differential pressure recovery tank accumulates to a certain liquid level, wherein at the moment, the primary differential pressure recovery tank and the secondary differential pressure recovery tank form a communicated closed space, and the liquid levels in the two differential pressure recovery tanks are driven to be at the same height due to the fact that the gas pressure is similar, so that the liquid gasoline in the primary differential pressure recovery tank flows to the secondary differential pressure recovery tank under the action of pressure, and when the liquid level in the primary differential pressure recovery tank is lower than the lower limit value, closing the third electromagnetic valve. Similarly, after the liquid gasoline in the secondary differential pressure recovery tank is accumulated to a certain liquid level, the fourth electromagnetic valve is opened, at the moment, the secondary differential pressure recovery tank and the oil storage tank form a communicated closed space, the liquid gasoline in the secondary differential pressure recovery tank flows to the oil storage tank under the action of pressure, and when the liquid level in the secondary differential pressure recovery tank is lower than the lower limit value, the fourth electromagnetic valve is closed, and finally the recovery of the oil gas is completed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A gas station oil gas differential pressure condensation recovery device is characterized by comprising a condenser, a differential pressure recovery tank, a plurality of electromagnetic valves, an oil storage tank and a pipeline;
the air inlet of the condenser is connected with the oil storage tank and used for condensing oil gas entering the condenser;
one end of the differential pressure recovery tank is connected with the condenser; the other end is connected with the oil storage tank;
the electromagnetic valves are respectively installed on pipelines among the condenser, the differential pressure recovery tank and the oil storage tank, and the opening and closing states of the pipelines are realized according to working requirements.
2. The oil and gas differential pressure condensation recovery device of the gas station as claimed in claim 1, characterized in that: the differential pressure recovery jar has two, is one-level differential pressure recovery jar and second grade differential pressure recovery jar respectively, the entry of one-level differential pressure recovery jar with the oil storage tank links to each other, the export with second grade differential pressure recovery jar entry links to each other, second grade differential pressure recovery jar export with the oil storage tank links to each other.
3. The oil gas differential pressure condensation recovery device of the filling station as claimed in claim 2, characterized in that: the number of the electromagnetic valves is four, and the electromagnetic valves comprise a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve and a fourth electromagnetic valve; one end of the first electromagnetic valve is connected with the oil storage tank, and the other end of the first electromagnetic valve is connected with an exhaust port; one end of the second electromagnetic valve is connected with the oil storage tank, and the other end of the second electromagnetic valve is connected with an inlet of the condenser; two ends of the third electromagnetic valve are respectively connected with the primary differential pressure recovery tank and the secondary differential pressure recovery tank; one end of the fourth electromagnetic valve is connected with the second-stage differential pressure recovery tank, and the other end of the fourth electromagnetic valve is connected with an oil return port of the oil storage tank.
4. The oil gas differential pressure condensation recovery device of the filling station as claimed in claim 3, characterized in that: and a gas concentration sensor is arranged on a pipeline between the first electromagnetic valve and the exhaust port and used for detecting the gas concentration in the pipeline.
5. The oil gas differential pressure condensation recovery device of the filling station as claimed in claim 1, characterized in that: the air inlet pipeline is provided with a pressure sensor for detecting the pressure of the air inlet.
6. The oil gas differential pressure condensation recovery device of the filling station as claimed in claim 2, characterized in that: the first-stage differential pressure recovery tank is provided with a first liquid level meter, and the second-stage differential pressure recovery tank is provided with a second liquid level meter.
7. The oil gas differential pressure condensation recovery device of the filling station as claimed in claim 3, characterized in that: and a pipeline is arranged between the air inlet and the first electromagnetic valve and communicated with the secondary differential pressure recovery tank.
8. The oil gas differential pressure condensation recovery device of the filling station as claimed in claim 3, characterized in that: the controller is electrically connected with the first to fourth electromagnetic valves and controls the first to fourth electromagnetic valves to be opened and closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123063928.9U CN217418184U (en) | 2021-12-08 | 2021-12-08 | Oil gas differential pressure condensation recovery device of filling station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123063928.9U CN217418184U (en) | 2021-12-08 | 2021-12-08 | Oil gas differential pressure condensation recovery device of filling station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217418184U true CN217418184U (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123063928.9U Active CN217418184U (en) | 2021-12-08 | 2021-12-08 | Oil gas differential pressure condensation recovery device of filling station |
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| Country | Link |
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| CN (1) | CN217418184U (en) |
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2021
- 2021-12-08 CN CN202123063928.9U patent/CN217418184U/en active Active
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