CN219355287U - Three-time oil gas recovery processing device - Google Patents
Three-time oil gas recovery processing device Download PDFInfo
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- CN219355287U CN219355287U CN202320681496.8U CN202320681496U CN219355287U CN 219355287 U CN219355287 U CN 219355287U CN 202320681496 U CN202320681496 U CN 202320681496U CN 219355287 U CN219355287 U CN 219355287U
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- recovery processing
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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 utility model belongs to the technical field of oil gas recovery, and particularly relates to a tertiary oil gas recovery treatment device. It comprises the following steps: the device comprises at least one first condensing assembly, a second condensing assembly and a membrane filtering assembly, wherein the first condensing assembly comprises at least two first-stage condensers and second-stage condensers which are nested in sequence, an inlet of the first-stage condenser inside the first-stage condenser is connected with an underground oil tank, and oil gas of the underground oil tank sequentially flows through the first-stage condenser and the second-stage condenser; the inlet of the second condensation component is connected with the outlet of the secondary condenser, and the liquid outlets of the second condensation component and the first condensation component are connected with the buried oil tank; the membrane filtration assembly is connected to the air outlet end of the second condensation assembly, the first air outlet of the membrane filtration assembly is connected with the exhaust pipe, and the second air outlet of the membrane filtration assembly is connected to the inlet of the second condensation assembly through the vacuum pump. The utility model is used for solving the problems that the oil gas recovery effect is not ideal, the secondary hazardous waste generated by carbon adsorption is generated, and the replacement period is short.
Description
Technical Field
The utility model belongs to the technical field of oil gas recovery, and particularly relates to a tertiary oil gas recovery treatment device.
Background
In the filling process of a filling station, in the oil unloading process and in the space above the liquid level of the oil product in the oil tank, more oil gas can be generated due to strong volatility of the gasoline. The oil gas is inflammable and explosive, and has high potential safety hazard; the oil gas has pollution and can not be discharged at will; the oil gas has recyclability, avoids wasting resources, and therefore, the oil gas can be generally recycled.
At present, the carbon adsorption mode is still the main recovery treatment mode, and oil gas recovery is usually matched with the condensation effect of a gas-liquid separator and a compressor to recover oil gas, and most of oil gas is changed into oil liquid under the condensation effect in the recovery process to be recovered to a storage tank of a gas station.
However, this recovery method can have a small portion of oil gas discharged into the atmosphere, resulting in unsatisfactory oil gas recovery, the discharged oil gas not only cannot be effectively recovered, but also can pollute the air, and the adsorption medium needs to be replaced frequently in carbon adsorption, so that secondary hazardous waste is easily generated in carbon adsorption.
Disclosure of Invention
The technical problem that this application embodiment to solve lies in overcoming prior art's not enough, provides a tertiary oil gas recovery processing apparatus for solve the problem that the oil gas recovery effect is not ideal and the carbon adsorption produces the useless and change cycle of secondary danger is short.
The technical scheme for solving the technical problems in the embodiment of the application is as follows: a tertiary oil and gas recovery processing device, comprising:
the first condensing assembly comprises at least two first-stage condensers and two second-stage condensers which are nested in sequence, an inlet of the first-stage condenser is connected with an underground oil tank, and oil gas of the underground oil tank sequentially flows through the first-stage condensers and the second-stage condensers;
the inlet of the second condensation assembly is connected with the outlet of the secondary condenser, and the liquid outlets of the second condensation assembly and the first condensation assembly are connected with the buried oil tank;
the membrane filter assembly is connected to the air outlet end of the second condensation assembly, the first air outlet of the membrane filter assembly is connected with the exhaust pipe, and the second air outlet of the membrane filter assembly is connected to the inlet of the second condensation assembly through the vacuum pump.
Compared with the prior art, the technical scheme has the following beneficial effects:
through adding first condensing components at the front end of second condensing components, the mode that the cooperation was used improves the condensation adsorption effect, utilizes a plurality of condensers that nest each other to form in the first condensing components, and then extension oil gas moves the route, improves the condensation effect, compresses the condenser volume simultaneously, later filters once more through membrane filtration subassembly, sends back to the second condensing components entry and filters repeatedly, filters suitable gaseous just can pass through the blast pipe discharge through membrane filtration subassembly.
Further, the inlet of the primary condenser is arranged at the upper part of the tank wall of the primary condenser, the primary condenser is nested at the upper part of the secondary condenser, and the outlet of the secondary condenser is arranged at the upper part of the tank wall of the secondary condenser.
Further, the second condensation assembly comprises a compressor, a three-stage condenser and a gas-liquid separator which are sequentially connected, and a liquid outlet of the gas-liquid separator is connected with the buried oil tank.
Further, a first pressure transmitter is connected to the gas-liquid separator.
Further, the membrane filter assembly comprises a plurality of membrane filters which are sequentially connected in parallel, second air outlets of the plurality of membrane filters are connected with the vacuum pump, and the tail end of the membrane filter is connected with the exhaust pipe.
Further, the air inlet pipeline of the first condensation component and the downstream of the first air outlet of the membrane filtration component are respectively connected with a second pressure transmitter and a third pressure transmitter.
Further, a concentration detector is connected to the pipeline downstream of the third pressure transmitter.
Further, a temperature transmitter is connected in the first condensing assembly.
Further, a fire-resistant cap is arranged at the top of the exhaust pipe.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
Reference numerals:
1. a first condensing assembly; 2. A second condensing assembly; 3. A membrane filtration assembly;
101. a first-stage condenser; 102. A second-stage condenser;
201. a compressor; 202. A three-stage condenser; 203. A gas-liquid separator;
301. a membrane filter; 302. A vacuum pump;
4. buried oil tank;
5. an exhaust pipe;
6. a first pressure transmitter; 7. a second pressure transmitter; 8. a third pressure transmitter;
9. a temperature transmitter;
10. a concentration detector;
11. a sampling valve;
12. a fire-resistant cap.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.
In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present utility model, the meaning of "plurality" is two or more unless specifically defined otherwise.
In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1, the third oil gas recovery processing device provided by the embodiment of the utility model includes: the system comprises a group of first condensing assemblies, a group of second condensing assemblies and a membrane filtering assembly, wherein the number of the first condensing assemblies and the second condensing assemblies can be adjusted according to actual conditions.
The first condensing assembly comprises at least two sequentially nested primary condensers and two secondary condensers, the number of sequentially nested condensers can be designed to be different according to actual conditions, the inlet of the primary condenser is connected with the buried oil tank, oil gas of the buried oil tank sequentially flows through the primary condenser and the secondary condenser, the inlet of the second condensing assembly is connected with the outlet of the secondary condenser, and the liquid outlets of the second condensing assembly and the first condensing assembly are connected with the buried oil tank.
A temperature transmitter is connected in the first condensing assembly, and in particular, the temperature transmitter is connected in the primary condenser.
The membrane filtration assembly is connected to the air outlet end of the second condensation assembly, the first air outlet of the membrane filtration assembly is connected with the exhaust pipe, and the second air outlet of the membrane filtration assembly is connected to the inlet of the second condensation assembly through the vacuum pump.
The membrane filter assembly comprises a plurality of membrane filters which are sequentially connected in parallel, two membrane filters are arranged in the embodiment and are a primary membrane filter and a secondary membrane filter respectively, the second air outlets of the two membrane filters are connected with the vacuum pump, the tail ends of the two membrane filters are connected with the exhaust pipe, and the first air outlets of the two membrane filters are connected to the exhaust pipe.
Through adding first condensing components at the front end of second condensing components, the mode that the cooperation was used improves the condensation adsorption effect, utilizes a plurality of condensers that nest each other to form in the first condensing components, and then extension oil gas moves the route, improves the condensation effect, compresses the condenser volume simultaneously, later filters once more through membrane filtration subassembly, sends back to the second condensing components entry and filters repeatedly, filters suitable gaseous just can pass through the blast pipe discharge through membrane filtration subassembly.
Specifically, an inlet of the primary condenser is arranged at the upper part of the tank wall of the primary condenser, the primary condenser is nested at the upper part of the secondary condenser, and an outlet of the secondary condenser is arranged at the upper part of the tank wall of the secondary condenser; after the oil gas entering from the top of the first-stage condenser is condensed downwards, the oil gas enters the second-stage condenser to fully contact with a condensing medium again, and then is discharged from an outlet of the second-stage condenser, the condensed liquid in the two condensing tanks flows into the buried oil tank, and the passing path of the oil gas is improved through the mutually nested condensers.
The inlet, the outlet and the liquid outlet of the first condensation component are all provided with one-way valves to control the flow direction of gas and avoid backflow of oil gas, oil liquid and the like.
The second condensing assembly comprises a compressor, a three-stage condenser and a gas-liquid separator which are sequentially connected, a liquid outlet of the gas-liquid separator is connected with the buried oil tank, and oil gas passing through the first condensing assembly is condensed, filtered and separated again through the cooperation of the three-stage condenser and the gas-liquid separator.
The gas-liquid separator is connected with a first pressure transmitter, the pressure value in the gas-liquid separator is controlled through the first pressure transmitter, and specifically, the compressor is controlled through the detection numerical value of the first pressure transmitter so as to regulate the pressure in the gas-liquid separator.
And the air inlet pipeline of the first condensation assembly and the downstream of the first air outlet of the membrane filtration assembly are respectively connected with a second pressure transmitter and a third pressure transmitter.
And a concentration detector is connected to a pipeline at the downstream of the third pressure transmitter and used for detecting the oil gas concentration condition of the discharged gas.
The top of the exhaust pipe is provided with a fire-resistant cap.
The bottom of the exhaust pipe is provided with a sampling valve for sampling and detecting.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (9)
1. A tertiary oil and gas recovery processing device, characterized by comprising:
the first condensing assembly comprises at least two first-stage condensers and two second-stage condensers which are nested in sequence, an inlet of the first-stage condenser is connected with an underground oil tank, and oil gas of the underground oil tank sequentially flows through the first-stage condensers and the second-stage condensers;
the inlet of the second condensation assembly is connected with the outlet of the secondary condenser, and the liquid outlets of the second condensation assembly and the first condensation assembly are connected with the buried oil tank;
the membrane filter assembly is connected to the air outlet end of the second condensation assembly, the first air outlet of the membrane filter assembly is connected with the exhaust pipe, and the second air outlet of the membrane filter assembly is connected to the inlet of the second condensation assembly through the vacuum pump.
2. The tertiary oil and gas recovery processing device of claim 1, wherein the inlet of the primary condenser is disposed at an upper portion of a tank wall thereof, the primary condenser is nested at an upper portion of the secondary condenser, and the outlet of the secondary condenser is disposed at an upper portion of the tank wall thereof.
3. The tertiary oil and gas recovery processing device of claim 1, wherein the second condensing assembly comprises a compressor, a tertiary condenser and a gas-liquid separator which are sequentially connected, and a liquid outlet of the gas-liquid separator is connected with the buried oil tank.
4. The tertiary oil and gas recovery processing device of claim 3, wherein the gas-liquid separator is connected with a first pressure transmitter.
5. The tertiary oil gas recovery processing device of claim 3, wherein the membrane filter assembly includes a plurality of membrane filters connected in parallel in sequence, second air outlets of the plurality of membrane filters are all connected with the vacuum pump, and the end of the membrane filter is connected with the exhaust pipe.
6. The tertiary oil and gas recovery processing device of claim 5, wherein the air inlet pipeline of the first condensing assembly and the downstream of the first air outlet of the membrane filter assembly are respectively connected with a second pressure transmitter and a third pressure transmitter.
7. The tertiary oil and gas recovery processing device of claim 6, wherein a concentration detector is connected to a pipeline downstream of the third pressure transmitter.
8. The tertiary oil and gas recovery processing device of claim 7, wherein a temperature transmitter is connected to the first condensing assembly.
9. The tertiary oil and gas recovery processing device of claim 1, wherein a fire-blocking cap is arranged at the top of the exhaust pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320681496.8U CN219355287U (en) | 2023-03-30 | 2023-03-30 | Three-time oil gas recovery processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320681496.8U CN219355287U (en) | 2023-03-30 | 2023-03-30 | Three-time oil gas recovery processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219355287U true CN219355287U (en) | 2023-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320681496.8U Active CN219355287U (en) | 2023-03-30 | 2023-03-30 | Three-time oil gas recovery processing device |
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| Country | Link |
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| CN (1) | CN219355287U (en) |
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2023
- 2023-03-30 CN CN202320681496.8U patent/CN219355287U/en active Active
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