CN217230232U - Gas recovery on-line monitoring system calibrating device of filling station - Google Patents
Gas recovery on-line monitoring system calibrating device of filling station Download PDFInfo
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- CN217230232U CN217230232U CN202220338381.4U CN202220338381U CN217230232U CN 217230232 U CN217230232 U CN 217230232U CN 202220338381 U CN202220338381 U CN 202220338381U CN 217230232 U CN217230232 U CN 217230232U
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Abstract
The utility model discloses a gas station oil gas recovery on-line monitoring system calibration device, which comprises an oil tank pressure calibration mechanism and a gas-liquid ratio calibration mechanism; the oil tank pressure calibration mechanism comprises a high-pressure nitrogen cylinder, a pressure reducing valve connected with the high-pressure nitrogen cylinder, a first gas flowmeter, a flow regulating valve, a connector used for connecting a reserved opening of the oil tank and a digital pressure gauge; the gas-liquid ratio calibration mechanism comprises a gas-liquid ratio adapter, an oil drum for detection and a second gas flow meter, a refueling gun interface and an oil-gas outlet are arranged on the oil drum for detection, an oil-gas inlet of the gas-liquid ratio adapter and an oil-gas outlet on the oil drum for detection are connected through a third hose, and the second gas flow meter is arranged on the third hose. The utility model discloses gas station's vapor recovery system on-line monitoring system calibrating device, it has realized calibrating the metering data of gas station's vapor recovery system on-line monitoring system's oil tank pressure measurement table to realized calibrating gas station's vapor-liquid ratio detection data of vapor recovery system on-line monitoring system.
Description
Technical Field
The utility model relates to a measurement calibration field, in particular to gas station's vapor recovery system on-line monitoring system's calibrating device.
Background
The gasoline station oil gas recovery is that in the process of loading and unloading gasoline and refueling vehicles, volatile gasoline oil gas is collected and is changed into gasoline again through absorption, adsorption or condensation and other processes, so that the purposes of recycling, reducing pollution and the like are achieved. At present, most gas stations are provided with station oil gas recovery systems.
The oil gas recovery system of the gas station needs to keep good operation effect for a long time, and the parameters such as the airtightness of an oil tank and the gas-liquid ratio when the oil gas recovery system of the gas station works need to be monitored on line, wherein the gas-liquid ratio refers to the ratio of the volume of oil gas collected during refueling to the volume of gasoline added into the oil tank at the same time. An oil gas recovery online monitoring system is required to be installed at the gas station to perform online monitoring on parameters such as oil tank tightness, gas-liquid ratio and the like of the oil gas recovery system, and detection data are accessed into a data center of an environmental protection department.
The gas station installation oil gas recovery on-line monitoring system accords with the trend of national environmental protection policy, and under the condition that more and more gas stations are provided with the oil gas recovery on-line monitoring system, the calibration and detection requirements of the gas station oil gas recovery on-line monitoring system are more and more. And in the current measurement detection work, still lack the device that can realize carrying out the calibration to the online monitoring system of vapor recovery system to ensure that each function of the online monitoring system of vapor recovery that gas station installed is normal and the measurement is accurate.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a gas recovery on-line monitoring system calibrating device of filling station to solve and carry out the technical problem calibrated to measurement parameters such as oil tank pressure, gas-liquid ratio of gas recovery on-line monitoring system of filling station.
The utility model discloses a gas station oil gas recovery on-line monitoring system calibration device comprises an oil tank pressure calibration mechanism and a gas-liquid ratio calibration mechanism;
the oil tank pressure calibration mechanism comprises a high-pressure nitrogen cylinder, a pressure reducing valve connected with the high-pressure nitrogen cylinder, a first gas flowmeter connected with the pressure reducing valve through a first hose, a flow regulating valve arranged on the first hose, a connector used for connecting a reserved opening of the oil tank, a second hose connecting the first gas flowmeter and the connector, and a digital pressure gauge arranged on the second hose;
the gas-liquid ratio calibration mechanism comprises a gas-liquid ratio adapter, a detection oil drum and a second gas flow meter, wherein the gas-liquid ratio adapter is used for being connected to a fuel gun, the detection oil drum is provided with a fuel gun interface and a gas-oil outlet, the gas-oil inlet of the gas-liquid ratio adapter is connected with the gas-oil outlet of the detection oil drum through a third hose, and the second gas flow meter is arranged on the third hose.
Further, the gas-liquid ratio adapter comprises a sleeve, rubber sealing rings arranged at two ends of the sleeve and an oil-gas inlet arranged in the middle of the sleeve.
The utility model has the advantages that:
the utility model discloses gas station's vapor recovery system on-line monitoring system calibrating device, it has realized calibrating the metering data of gas station's vapor recovery system on-line monitoring system's oil tank pressure measurement table to realized calibrating gas station's vapor-liquid ratio detection data of vapor recovery system on-line monitoring system.
Drawings
Fig. 1 is a schematic structural diagram of a tank pressure calibration mechanism.
FIG. 2 is a schematic diagram of a gas-liquid ratio calibration mechanism.
FIG. 3 is a schematic diagram of a gas-liquid ratio adapter.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in the figure, the calibration device of the online oil gas recovery monitoring system of the filling station comprises a tank pressure calibration mechanism and a gas-liquid ratio calibration mechanism.
The oil tank pressure calibration mechanism comprises a high-pressure nitrogen cylinder 1, a pressure reducing valve 2 connected with the high-pressure nitrogen cylinder, a first gas flowmeter 4 connected with the pressure reducing valve through a first hose 3, a flow regulating valve 5 arranged on the first hose, a connector 6 used for connecting a reserved opening of the oil tank, a second hose 7 connecting the first gas flowmeter and the connector, and a digital pressure gauge 8 arranged on the second hose.
The gas-liquid ratio calibration mechanism comprises a gas-liquid ratio adapter 10 connected to a fuel gun 9, a detection oil drum 11 and a second gas flow meter 12, a fuel gun interface 13 and a gas-oil outlet 14 are arranged on the detection oil drum, a gas-oil inlet of the gas-liquid ratio adapter is connected with a gas-oil outlet on the detection oil drum through a third hose 15, and the second gas flow meter is arranged on the third hose. The gas-liquid ratio adapter comprises a sleeve 101, rubber sealing rings 102 arranged at two ends of the sleeve and an oil-gas inlet 103 arranged in the middle of the sleeve.
When the calibration device in the embodiment is used for calibrating the oil tank pressure detection meter of the oil gas recovery online monitoring system of the gas station, the connector 6 of the oil tank pressure calibration mechanism is connected with the reserved port of the oil tank, then the pressure reducing valve 2 is opened to inject nitrogen into the oil tank, the flow of the nitrogen entering the oil tank is controlled through the flow regulating valve 5, and the phenomenon that the air pressure in the oil tank is too high is avoided. In the detection process, the metering data of the oil tank pressure detection meter of the oil gas recovery online monitoring system of the gas station can be calibrated by comparing the reading of the digital pressure gauge 8 with the reading of the oil tank pressure detection meter of the oil gas recovery online monitoring system of the gas station.
When the gas-liquid ratio of the gas-liquid recovery on-line monitoring system of the gas station is calibrated by adopting the calibrating device in the embodiment, the gas-liquid ratio adapter is arranged on the oil gun, the oil gun is inserted into the oil gun interface 13 of the oil drum 11 for detection, the oil gun is used for adding oil into the oil drum 11 for detection, the oil gas enters the gas-liquid ratio adapter through the third hose, and is recovered by the oil gas recovery system of the gas station from the oil gas hole on the oil gun, the volume of the oil gas is measured when the oil gas flows through the second gas flow meter 12 on the third hose, the volume of the gasoline added into the oil drum 11 for detection is measured, the gas-liquid ratio which is the ratio of the volume of the oil gas obtained by calculation and measurement to the volume of the gasoline is compared with the gas-liquid ratio obtained by the gas-liquid recovery on-line monitoring system of the gas station, and the gas-liquid ratio of the gas-liquid recovery on-line monitoring system of the gas station can be calibrated.
Finally, it is noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (2)
1. Gas station's oil gas recovery on-line monitoring system calibrating device, its characterized in that: the device comprises an oil tank pressure calibration mechanism and an air-liquid ratio calibration mechanism;
the oil tank pressure calibration mechanism comprises a high-pressure nitrogen cylinder, a pressure reducing valve connected with the high-pressure nitrogen cylinder, a first gas flowmeter connected with the pressure reducing valve through a first hose, a flow regulating valve arranged on the first hose, a joint used for connecting a reserved opening of the oil tank, a second hose connecting the first gas flowmeter and the joint, and a digital pressure gauge arranged on the second hose;
the gas-liquid ratio calibration mechanism comprises a gas-liquid ratio adapter, a detection oil drum and a second gas flow meter, wherein the gas-liquid ratio adapter is used for being connected to a fuel gun, the detection oil drum is provided with a fuel gun interface and a gas-oil outlet, the gas-oil inlet of the gas-liquid ratio adapter is connected with the gas-oil outlet of the detection oil drum through a third hose, and the second gas flow meter is arranged on the third hose.
2. The gas station oil gas recovery on-line monitoring system calibration device of claim 1, characterized in that: the gas-liquid ratio adapter comprises a sleeve, rubber sealing rings arranged at two ends of the sleeve and an oil-gas inlet arranged in the middle of the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220338381.4U CN217230232U (en) | 2022-02-18 | 2022-02-18 | Gas recovery on-line monitoring system calibrating device of filling station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220338381.4U CN217230232U (en) | 2022-02-18 | 2022-02-18 | Gas recovery on-line monitoring system calibrating device of filling station |
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| Publication Number | Publication Date |
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| CN217230232U true CN217230232U (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220338381.4U Active CN217230232U (en) | 2022-02-18 | 2022-02-18 | Gas recovery on-line monitoring system calibrating device of filling station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116654858A (en) * | 2023-07-26 | 2023-08-29 | 中国石油天然气股份有限公司江苏销售分公司 | Oil gas recovery detector |
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2022
- 2022-02-18 CN CN202220338381.4U patent/CN217230232U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116654858A (en) * | 2023-07-26 | 2023-08-29 | 中国石油天然气股份有限公司江苏销售分公司 | Oil gas recovery detector |
| CN116654858B (en) * | 2023-07-26 | 2023-10-10 | 中国石油天然气股份有限公司江苏销售分公司 | Oil gas recovery detector |
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