CN210438402U - Tertiary oil gas recovery unit - Google Patents
Tertiary oil gas recovery unit Download PDFInfo
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- CN210438402U CN210438402U CN201921131794.XU CN201921131794U CN210438402U CN 210438402 U CN210438402 U CN 210438402U CN 201921131794 U CN201921131794 U CN 201921131794U CN 210438402 U CN210438402 U CN 210438402U
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- oil gas
- storage tank
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Abstract
The utility model discloses a tertiary oil gas recovery device, which comprises an oil storage tank, wherein the oil storage tank is connected with an adsorption chamber through a pipeline, and the pipeline between the oil storage tank and the adsorption chamber is sequentially connected with a flowmeter, a first explosion-proof electromagnetic valve, an oil gas recovery pump and a pressure transmitter; the top end of the adsorption chamber is connected with a gas detector through a pipeline, the gas detector is connected with a vent cap, and the bottom end of the vent cap is connected with a second explosion-proof electromagnetic valve; the utility model discloses a recovery device, including oil gas recovery pump, recovery jar, flowmeter feed end, adsorption and desorption, oil gas recovery pump and recovery jar pipeline link to each other, recovery jar and oil storage tank pipeline link to each other, pipeline mounting between oil gas recovery pump and the recovery jar has the check valve, the third prevention and explosion solenoid valve is installed to the flowmeter feed end, the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization has designed the adsorption technology means of a molecular sieve formula, can realize absorption and desorption and retrieve of cubic oil gas, and the adsorption efficiency is high, and the emission is low, can also retrieve the petrol reflux oil.
Description
Technical Field
The utility model relates to an environmental protection technology field specifically is a cubic vapor recovery system device.
Background
Gasoline is an important energy source in the life of people at present, but has strong volatility, if the gasoline is allowed to volatilize freely, a large amount of energy is wasted, and more importantly, the environment is polluted, so that volatilized oil gas needs to be recovered in the transportation and storage processes of the gasoline;
when the oil tank truck loads and unloads gasoline, gasoline gas in the oil storage tank can be recovered into the oil tank, which is called primary gasoline recovery, when the oiling machine refuels the automobile, gasoline gas in the oil tank of the automobile can be recovered into the oil storage tank, which is called secondary gasoline recovery, and gasoline gas in the oil storage tank can be recovered, which is called tertiary gasoline recovery;
at present, the tertiary oil gas recovery mainly comprises four technical means, namely a condensation method, an absorption method, an adsorption method and a membrane separation method, wherein the condensation method and the adsorption method are the most main means, but a condenser has serious power consumption, the equipment price is high, the maintenance is troublesome, although the adsorption method is simple to use, the service life of an activated carbon adsorbent is short, the activated carbon adsorbent cannot be desorbed after adsorption, and secondary pollution can be caused, and other methods and technologies are difficult to realize.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cubic vapor recovery system device can effectively solve and propose the difficult problem of vapor recovery system recovery in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a tertiary oil gas recovery device comprises an oil storage tank, wherein the oil storage tank is connected with an adsorption chamber through a pipeline, and a flowmeter, a first explosion-proof electromagnetic valve, an oil gas recovery pump and a pressure transmitter are sequentially connected with the pipeline between the oil storage tank and the adsorption chamber;
the top end of the adsorption chamber is connected with a gas detector through a pipeline, the gas detector is connected with a vent cap, and the bottom end of the vent cap is connected with a second explosion-proof electromagnetic valve;
the oil gas recovery pump is connected with a recovery tank pipeline, and the recovery tank is connected with an oil storage tank pipeline.
Preferably, a check valve is arranged on a pipeline between the oil gas recovery pump and the recovery tank.
Preferably, the third explosion prevention electromagnetic valve is installed at the feed end of the flow meter.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization has designed the adsorption technology means of a molecular sieve formula, can realize absorption and desorption of cubic oil gas and retrieve, and the adsorption efficiency is high, and the emission is low, can also retrieve the petrol and flow back to the oil storage tank, is the device that cost performance is very high.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic structural diagram of the present invention;
reference numbers in the figures: 1. an oil storage tank; 2. a flow meter; 3. a first explosion-proof solenoid valve; 4. an adsorption chamber; 5. a gas tester; 6. a second explosion-proof solenoid valve; 7. a ventilation cap; 8. a third explosion prevention electromagnetic valve; 9. an oil gas recovery pump; 10. a check valve; 11. a recovery tank; 12. a pressure transmitter.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example (b): as shown in fig. 1, the utility model provides a technical scheme, a tertiary oil gas recovery device, including oil storage tank 1, oil storage tank 1 passes through the pipeline and links to each other with adsorption chamber 4, and the pipeline between oil storage tank 1 and adsorption chamber 4 connects gradually flowmeter 2, first explosion-proof solenoid valve 3, oil gas recovery pump 9 and pressure transmitter 12, and flowmeter 2 feed end is installed with third explosion-proof solenoid valve 8;
the top end of the adsorption chamber 4 is connected with a gas detector 5 through a pipeline, the gas detector 5 is connected with a vent cap 7, and the bottom end of the vent cap 7 is connected with a second explosion-proof electromagnetic valve 6;
the oil gas recovery pump 9 is connected with the recovery tank 11 through a pipeline, in order to prevent backflow, a check valve 10 is installed on the pipeline between the oil gas recovery pump 9 and the recovery tank 11, and the recovery tank 11 is connected with the oil storage tank 1 through a pipeline.
The flowmeter 2, the first explosion-proof electromagnetic valve 3, the oil gas recovery pump 9, the pressure transmitter 12, the gas detector 5, the second explosion-proof electromagnetic valve 6 and the third explosion-proof electromagnetic valve 8 are all connected with an external controller.
The utility model discloses a theory of operation and use flow: after the device is electrified, the first explosion-proof electromagnetic valve 3, the second explosion-proof electromagnetic valve 6 and the third explosion-proof electromagnetic valve 8 are closed, the check valve 10 is manually opened, the oil gas recovery pump 9 works, the adsorption chamber 4 starts to be vacuumized, after 30s, the second explosion-proof electromagnetic valve 6 is opened, the device enters a desorption state, and the purpose is that in order to blow gasoline molecules in the adsorption chamber 4 into the recovery tank 11 by air, after 6s, the oil gas recovery pump 9 is closed;
after the device is electrified, the first explosion-proof electromagnetic valve 3 and the second explosion-proof electromagnetic valve 6 are opened, then oil gas in the oil storage tank 1 is naturally released, the adsorption process is completed through the flowmeter 2, the first explosion-proof electromagnetic valve 3 and the adsorption chamber 4, then the oil gas is discharged into the atmosphere through the second explosion-proof electromagnetic valve 6 and the vent cap 7, the oil gas is detected by the gas detector 5 after being adsorbed, the concentration test value of the processed oil gas is fed back to a PLC (programmable logic controller) externally connected with the device, the processing rate of the oil gas is qualified when the processing rate of the oil gas exceeds 98 percent, and the device does not perform new actions;
when the concentration of the treated oil gas exceeds 2%, the first explosion-proof electromagnetic valve 3 and the second explosion-proof electromagnetic valve 6 are closed, the oil gas recovery pump 9 works, the adsorption chamber 4 of the device starts to be vacuumized, after 100s, the second explosion-proof electromagnetic valve 6 is opened, the device enters a desorption state, the purpose is that in order to blow the gasoline molecules in the adsorption chamber 4 into the recovery tank 11 by air, after 6s, the oil gas recovery pump 9 is closed, the first explosion-proof electromagnetic valve 3 is opened, and the adsorption process is continued;
when the pressure transmitter 12 of the device displays overpressure in the adsorption process of the device, the first explosion-proof electromagnetic valve 3 is closed, the second explosion-proof electromagnetic valve 6 is opened, the third explosion-proof electromagnetic valve 8 is opened to release the pressure, and an alarm signal is output.
When the device continuously performs the desorption process for three times and can not discharge the exhaust gas to reach the standard, the first explosion-proof electromagnetic valve 3 and the second explosion-proof electromagnetic valve 6 are closed, and the third explosion-proof electromagnetic valve 6 is opened for troubleshooting.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. The utility model provides a cubic oil gas recovery unit which characterized in that: the device comprises an oil storage tank (1), wherein the oil storage tank (1) is connected with an adsorption chamber (4) through a pipeline, and a flowmeter (2), a first explosion-proof electromagnetic valve (3), an oil gas recovery pump (9) and a pressure transmitter (12) are sequentially connected with the pipeline between the oil storage tank (1) and the adsorption chamber (4);
the top end of the adsorption chamber (4) is connected with a gas detector (5) through a pipeline, the gas detector (5) is connected with a vent cap (7), and the bottom end of the vent cap (7) is connected with a second explosion-proof electromagnetic valve (6);
the oil gas recovery pump (9) is connected with a recovery tank (11) through a pipeline, and the recovery tank (11) is connected with an oil storage tank (1) through a pipeline.
2. A tertiary oil and gas recovery device according to claim 1, characterized in that the pipeline between the oil and gas recovery pump (9) and the recovery tank (11) is fitted with a non-return valve (10).
3. A tertiary oil and gas recovery device according to claim 1, characterized in that the third explosion-proof electromagnetic valve (8) is installed at the feed end of the flow meter (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921131794.XU CN210438402U (en) | 2019-07-18 | 2019-07-18 | Tertiary oil gas recovery unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921131794.XU CN210438402U (en) | 2019-07-18 | 2019-07-18 | Tertiary oil gas recovery unit |
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| Publication Number | Publication Date |
|---|---|
| CN210438402U true CN210438402U (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921131794.XU Active CN210438402U (en) | 2019-07-18 | 2019-07-18 | Tertiary oil gas recovery unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354235A (en) * | 2022-01-13 | 2022-04-15 | 日照惠明机械设备有限公司 | Three-time oil gas recovery test board and test method |
-
2019
- 2019-07-18 CN CN201921131794.XU patent/CN210438402U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114354235A (en) * | 2022-01-13 | 2022-04-15 | 日照惠明机械设备有限公司 | Three-time oil gas recovery test board and test method |
| CN114354235B (en) * | 2022-01-13 | 2024-05-07 | 日照惠明机械设备有限公司 | Three-time oil gas recovery test bench and test method |
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