CN111693228A - Oil gas recovery comprehensive tester of gas station - Google Patents
Oil gas recovery comprehensive tester of gas station Download PDFInfo
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- CN111693228A CN111693228A CN201910200051.1A CN201910200051A CN111693228A CN 111693228 A CN111693228 A CN 111693228A CN 201910200051 A CN201910200051 A CN 201910200051A CN 111693228 A CN111693228 A CN 111693228A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/42—Filling nozzles
- B67D7/54—Filling nozzles with means for preventing escape of liquid or vapour or for recovering escaped liquid or vapour
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; Viscous liquids; Paints; Inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
- G01N33/2829—Mixtures of fuels
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Abstract
The invention relates to a comprehensive tester for oil gas recovery of a gas station, which mainly solves the problems of no portability and low detection speed in the prior art. The invention adopts a gas station oil gas recovery comprehensive tester, which comprises a case base, a front panel, a battery pack, a keyboard circuit board, a main control panel, a liquid crystal display screen, a pressure sensor and a flow sensor, wherein the pressure sensor is connected to a flowmeter sensor interface gas path pipeline through a pressure sensor interface; the technical scheme that the instrument circuit main board, the instrument display circuit board and the instrument key circuit board are arranged on the front panel of the chassis frame well solves the problems and can be used for oil gas recovery of a gas station.
Description
Technical Field
The invention relates to a comprehensive tester for oil gas recovery of a gas station.
Background
In the modern society, volatile gas discharged from gas stations has great influence on urban environment because of organic components containing much oil, such as hydrocarbons, such as benzene, toluene, xylene, ethylbenzene and the like, and most of the organic substances are known to be harmful to human bodies; in addition, unsaturated hydrocarbon with a large proportion of oil in oil gas volatile gas can be subjected to physical and chemical reaction with nitrogen oxide in the air after being irradiated by ultraviolet rays, photochemical smog and greenhouse effect are formed, the ozone layer can be damaged by the greenhouse effect, the pollution effect on the ozone layer is large, the photochemical smog is also one of important reasons for causing haze, the volatilization of the oil gas can cause pungent smell of the surrounding air, the normal life and work of people are influenced, the health of the people is not good, meanwhile, if the oil gas is volatilized randomly, the control is not carried out, and the potential safety hazard of fire and explosion also exists. Regarding the problem of organic gas emission, the developed countries pay attention to it and have established strict emission standards and regulations. Therefore, strict construction and management regulations are established for gas stations in developed countries such as europe and the united states. Most of gas stations in developed areas such as the United states and Europe are provided with oil gas recovery systems, China is also promoting the construction of healthy, safe and environment-friendly gas stations, and at present, many cities in China begin to implement oil gas recovery treatment processes vigorously. The transformation and installation of the oil gas recovery system of the gas station can play an important role in reducing the air pollution emission caused by the volatilization of oil gas of the gas station, saving energy, ensuring human health and improving the air quality of urban environment.
The oil gas volatilization of the gas station has great harm to the safety of the gas station, the surrounding atmospheric environment, operators such as a refueling operator and the like, for this reason, GB20952-2007 emission standard of atmospheric pollutants of the gas station is formulated and issued by the country, then the gasoline transportation process, the oil unloading process and the refueling process of the gas station are required to be modified, and corresponding requirements are provided for the detection of an oil gas recovery system, so that the detection of the tightness, the liquid resistance, the gas-liquid ratio and the inlet and outlet concentration of a tertiary oil gas recovery device of the oil gas recovery system becomes an important basis for evaluating the oil gas recovery effect of the gas station, therefore, it is necessary to develop a comprehensive tester for detecting whether the modification of the oil gas recovery system of the gas station meets the relevant national standards.
Disclosure of Invention
The invention aims to solve the technical problems of no portability and low detection speed in the prior art, and provides a novel comprehensive oil gas recovery tester for a gas station, which has the advantages of integrating the detection of the tightness, the liquid resistance and the gas-liquid ratio, being convenient to carry and small in size, having the functions of storing data and uploading the data to a computer and being rapid in detection.
In order to solve the problems, the technical scheme adopted by the invention is as follows: a gas recovery comprehensive tester of a gas station comprises a case base, a front panel, a battery pack, a keyboard circuit board, a main control panel, a liquid crystal display screen, a pressure sensor and a flow sensor, wherein the pressure sensor is connected to a flowmeter sensor interface gas path pipeline through a pressure sensor interface; installing an instrument circuit main board, an instrument display circuit board and an instrument key circuit board on a front panel of a chassis frame, attaching an instrument nameplate on an upper cover plate, penetrating a gas path outlet of a flowmeter sensor interface gas path pipeline through a reserved port of a right side cover plate, and installing a gas path quick connector at a gas path outlet of the flowmeter sensor interface gas path pipeline; finally, the six surfaces of the instrument are spliced to form a cuboid whole machine.
In the above technical solution, preferably, the tester is configured with a pocket printer and an explosion-proof battery, and the test result with the number and the date and time is printed in real time in a field safety area as a source tracing basis.
In the technical scheme, preferably, the tester is provided with a computer interface, and detection data in the oil gas recovery comprehensive tester are led into a computer in batches through software to be filed.
In the above technical scheme, preferably, the tester adopts a roots flowmeter and a high-precision electronic pressure sensor special for oil gas recovery.
In the technical scheme, preferably, the gas-liquid ratio test has the functions of testing the forward and reverse oil-gas volumes, the oil-gas average flow and the forward and reverse instantaneous flow, and automatically calculates the gas-liquid ratio and the oiling flow.
In the above technical solution, preferably, the tightness test has a function of testing the negative pressure and automatically calculating a result of the tightness test.
In the above technical solution, preferably, the liquid resistance test is performed automatically according to the flow option, and when each test parameter is completed, the standard value can be compared, and whether the test result is qualified is determined.
In the above technical solution, preferably, the instrument has functions of data storage and data uploading.
In the above technical solution, preferably, the detection record is printed on site by connecting a portable printer.
In the above technical solution, preferably, the tester can simultaneously perform gas-liquid ratio, tightness and liquid resistance tests of the gas-oil recovery system of the gas station.
The invention aims to provide a comprehensive tester for oil gas recovery detection of a gas station, which can integrate gas-liquid ratio detection, tightness detection and liquid resistance detection, can visually compare with the national standard value of GB20952-2007 when the detection of each item is finished, directly obtains the conclusion whether the detection is qualified, does not need manual calculation, and is convenient to carry. The instrument developed by the invention has a data storage function, can print records on site, and can also be connected with a computer to upload data in batches, thereby obtaining better technical effect.
Drawings
FIG. 1 is a schematic flow diagram of the process of the present invention.
In fig. 1, 1-left side and upper cover of case, 2-instrument nameplate, 3-case frame, 4-pressure sensor, 5-pressure sensor interface, 6-flowmeter sensor interface gas pipeline, 7-flow sensor, 8-instrument battery, 9-gas pipeline quick connector, 10-case right side cover plate, 11-instrument circuit main plate, 12-instrument display circuit board, 13-instrument key circuit board, 14-case front cover plate.
The present invention will be further illustrated by the following examples, but is not limited to these examples.
Detailed Description
[ example 1 ]
A gas recovery comprehensive tester of a gas station is shown in figure 1 and comprises a case base, a front panel, a battery pack, a keyboard circuit board, a main control panel, a liquid crystal display screen, a pressure sensor and a flow sensor, wherein the pressure sensor is connected to a flowmeter sensor interface gas path pipeline through a pressure sensor interface, the flow sensor is connected in series to enter the flowmeter sensor interface gas path pipeline, and a gas path which is completed by connection is seated on a bottom plate of the instrument battery pack through a support; installing an instrument circuit main board, an instrument display circuit board and an instrument key circuit board on a front panel of a chassis frame, attaching an instrument nameplate on an upper cover plate, penetrating a gas path outlet of a flowmeter sensor interface gas path pipeline through a reserved port of a right side cover plate, and installing a gas path quick connector at a gas path outlet of the flowmeter sensor interface gas path pipeline; and finally, splicing six surfaces of the instrument to form a cuboid whole machine, wherein the tester can simultaneously test the gas-liquid ratio, the tightness and the liquid resistance of the oil gas recovery system of the gas station.
The following is a description of the method of use of the tester.
The function keys are all positioned on a front cover plate panel of the whole tester, and the functions are realized by a key circuit board.
(1) Tightness, liquid resistance detection
The station is stopped before the detection is started, all gasoline oiling machines cannot be oiled, and the diesel engine can work normally.
And (3) closing the return gas pipeline valves below all the gasoline oiling machines, preferably taking the oiling machine farthest from the oil tank line as a tightness detection oiling machine, connecting the pipeline with the copper adapter to a detection port below the oiling machine after the oiling machine is selected to ensure that the oiling machine is tight and airtight, and connecting the other end of the pipeline to the outlet end of an oil-gas recovery tester.
Then the steel cylinder static grounding wire is connected, and the other end of the copper braided static grounding wire is connected to a static eliminating sheet of the oiling machine so as to eliminate static.
And connecting a nitrogen pipeline, wherein the other end of the nitrogen pipeline is connected to an inlet of an oil gas recovery tester.
Opening a switch of the oil gas recovery tester, pressing a 'tightness' key, judging whether a middle pressure value is zero, pressing a 'abandon' key if the middle pressure value is not zero, returning to the initial surfaces of the tester, pressing a 'standby/set' key, then pressing a '1/gas-liquid ratio' key in a next appearing interface, after screen numbers continuously flash, confirming two points, finishing zero point adjustment, and then returning to the initial interface.
At the moment, a valve on a detection port is opened, a 'tightness' key is pressed down on an initial interface, a nitrogen main valve is opened, the pressure of a partial pressure meter is controlled within the range of 0.1-0.2, the pressure is slowly adjusted until the middle value of the interface is 500pa, the empty capacity of each gasoline tank on a liquid level instrument of a gas station is calculated at the same time, the empty capacity of each gasoline tank on the liquid level instrument of the gas station is summed to obtain the oil gas space, the number of gasoline filling guns is calculated, then a 'filling gun number' key is pressed down, after the number of the gasoline filling guns is input, two 'confirmation' keys are clicked, then an 'oil gas space' key is pressed down, the total oil gas space is input, two 'confirmation' keys are clicked, whether the middle value of the lower interface is 500pa or not is determined, if not, the middle value is adjusted to 500pa, a 'timing start' key is pressed down, after the instrument automatically counts for five minutes, the middle pressure value is compared with, otherwise, the product is not qualified.
After the tightness detection is finished, pressing two 'confirm' keys, then pressing to give up returning to an initial interface, then going to an oil discharge port, opening any gasoline oil discharge port, discharging the pressure during the tightness test, then clicking a 'liquid resistance' key to perform a liquid resistance test, wherein the middle value is the pressure and the rear end is the flow rate during the liquid resistance test; after the detection result is obtained, the middle is an actual measurement value, and the rear end is a standard value.
Pressing an '18L/min' key, adjusting the flow rate to 18L/min through an adjuster, stabilizing for 5-10 seconds, pressing the '18L/min' key again, then taking the numerical value in the middle of an interface as an actual measurement value, taking the rear end as a standard value, taking the actual measurement value smaller than the standard value as a qualified value, and clicking two 'confirmation' keys after finishing the detection result; pressing 28L/min, adjusting the flow rate to 28L/min through an adjuster, stabilizing for 5-10 seconds, pressing 28L/min again, taking the numerical value in the middle of the interface as an actual measurement value, taking the rear end as a standard value, taking the actual measurement value smaller than the standard value as a qualified value, and clicking two confirmation keys after the detection result is seen; pressing '38L/min', adjusting the flow rate to 38L/min through an adjuster, stabilizing for 5-10 seconds, pressing a '38L/min' key again, then taking the numerical value in the middle of the interface as an actual measurement value, taking the rear end as a standard value, taking the actual measurement value smaller than the standard value as qualified, after the detection result is seen, clicking two 'confirmation' keys, after the detection result is stored, clicking a 'abandon' key, and returning to the initial interface.
And after the liquid resistance detection is finished, closing the oil discharging port, completely disassembling the pipeline, sealing the detection port, closing the valve of the detection port, and opening the valves of the gas return pipelines below all the gasoline oiling machines to prepare for the next gas-liquid ratio.
(2) Gas-liquid ratio test
Before gas-liquid ratio detection begins, the type of a refueling gun is seen, AILE and ZVA brand refueling guns generally adopt adapters with one ends protruding, OPW, HELLY and Viddlespecial brand refueling guns generally adopt adapters with two ends being planes, and a metering barrel for refueling is prepared.
Connecting one end of a hose to a proper adapter, connecting the other end of the hose to the outlet end of an oil-gas recovery tester, clamping an oil gun on the adapter to ensure clamping, pressing a 'gas-liquid ratio' key, clicking a 'start/stop' key (screen numbers are not in a flashing state) next time, then randomly oiling, stopping oiling when L (15-20) is displayed on an oiling machine, clicking the 'start/stop' key again (after the point is finished, the screen is in the flashing state), clicking a 'oiling volume' key in the flashing state of the screen, inputting oiling volume displayed on the oiling machine into the screen, pressing a 'confirmation' key, displaying the measured gas-liquid ratio on the screen, judging whether the value is qualified between 1.0 and 1.2, clicking two 'confirmations' after the result is finished, and continuously measuring the gas-liquid ratio by repeating the method of the steps.
[ example 2 ]
(1) Tightness, liquid resistance detection
The data of the detected Jiujiang Yunshan gasoline station are taken as an example as follows:
and (3) stopping the station before the detection is started, so that all gasoline oiling machines cannot be oiled, and the diesel engine can work normally.
And closing the air return pipeline valves below all the gasoline oiling machines, selecting the oiling machine farthest from the oil tank line as a tightness detection oiling machine, connecting the pipeline with the copper adapter to a detection port below the oiling machine to ensure that the oil is tight and airtight, and connecting the other end of the pipeline to the outlet end of an oil-gas recovery tester.
Then the steel cylinder static grounding wire is connected, and the other end of the copper braided static grounding wire is connected to a static eliminating sheet of the oiling machine so as to eliminate static.
And connecting a nitrogen pipeline, wherein the other end of the nitrogen pipeline is connected to an inlet of an oil gas recovery tester.
Opening a switch of the oil gas recovery tester, pressing a 'tightness' key, displaying a middle pressure value as 20Pa, zeroing, pressing a 'give up' key, returning to the initial surfaces of the tester, pressing a 'standby/set' key, then pressing a '1/gas-liquid ratio' key in the next appearing interface, after screen numbers continuously flash, confirming under two points, finishing zero point adjustment, and then returning to the initial interface.
At the moment, a valve on a detection port is opened, a 'tightness' key is pressed down on an initial interface, a nitrogen main valve is opened, the pressure of a partial pressure gauge is controlled within a range of (0.1-0.2), the pressure is slowly adjusted until the middle value of the interface is 500Pa, the empty capacity of each gasoline tank on a liquid level meter of a gas station is calculated at the same time, an oil gas space 10511L and a gasoline filling gun 3 are obtained, then a 'filling gun number' key is pressed down, the value 3 is input, two 'confirmation' keys are clicked, then the 'oil gas space' key is pressed down, the total oil gas space 10511L is input, the two 'confirmation' keys are clicked, the instrument automatically calculates the minimum residual pressure value 415Pa, then the middle value of the interface is confirmed to be 500Pa, a 'timing start' key is pressed down, and after the instrument automatically times for five minutes, the middle pressure value is 443Pa and is larger than the calculated minimum pressure value 415Pa, and.
After the tightness detection is finished, pressing two 'confirm' keys, pressing 'give up' to return to an initial interface, then going to an oil discharge port, opening any gasoline oil discharge port, discharging the pressure during the tightness test, then clicking a 'liquid resistance' key to perform a liquid resistance test, wherein the middle value is the pressure and the rear end is the flow rate during the liquid resistance test; after the detection result is obtained, the middle is an actual measurement value, and the rear end is a standard value.
Pressing an '18L/min' key, adjusting the flow rate to 18L/min through an adjuster, stabilizing for 5-10 seconds, pressing the '18L/min' key again, then taking the numerical value in the middle of an interface as an actual measurement value, taking the rear end as a standard value, taking the actual measurement value smaller than the standard value as qualified, after finishing watching the detection result, clicking two 'confirmation' keys, taking the detection result as 6Pa, and judging the standard value as 40Pa at the rear end; pressing 28L/min, regulating the flow rate to 28L/min through a regulator, stabilizing for 5-10 seconds, pressing the 28L/min key again, wherein the detection result is 11Pa, and the rear end judgment standard value is 90 Pa; pressing '38L/min', adjusting the flow rate to 38L/min through an adjuster, stabilizing for 5-10 seconds, pressing the '38L/min' key again, obtaining a detection result of 18Pa, obtaining a rear-end judgment standard value of 155Pa, clicking two 'confirmation' keys after the detection result is seen, clicking a 'abandon' key after the detection result is stored, and returning to an initial interface.
And after the liquid resistance detection is finished, closing the oil discharging port, completely disassembling the pipeline, sealing the detection port, closing the valve of the detection port, and opening the valves of the gas return pipelines below all the gasoline oiling machines to prepare for the next gas-liquid ratio.
(2) Gas-liquid ratio test
Before the gas-liquid ratio detection begins, the type of the oil filling gun is seen to be OPW, the American standard adapter with two planar ends is selected, and the metering barrel for oil pumping is prepared.
One end of the hose is connected to a proper adapter, the other end of the hose is connected to the outlet end of the oil gas recovery tester, the oil filling gun is clamped on the adapter to ensure clamping, then pressing the 'gas-liquid ratio' key, then clicking the 'start/stop' key (the screen number is not in a flashing state), then randomly refuel, display on the tanker adds to 15.86L, stop refuel, tester displays 17.61L, click the "start/stop" key once more (screen flashing after finishing), in the screen flashing state, clicking the 'refueling volume' key, inputting the numerical value of 15.86L on the refueling machine, pressing the 'confirmation' key, displaying the measured gas-liquid ratio value of 1.11 on the screen, enabling the numerical value to be qualified, after the result is seen, clicking two times to confirm, repeating the method of the steps to continuously measure the gas-liquid ratio, and measuring the gas-liquid ratio of the other two oil filling guns to be 1.05 and 1.08 respectively.
Claims (10)
1. A gas recovery comprehensive tester of a gas station comprises a case base, a front panel, a battery pack, a keyboard circuit board, a main control panel, a liquid crystal display screen, a pressure sensor and a flow sensor, wherein the pressure sensor is connected to a flowmeter sensor interface gas path pipeline through a pressure sensor interface; installing an instrument circuit main board, an instrument display circuit board and an instrument key circuit board on a front panel of a chassis frame, attaching an instrument nameplate on an upper cover plate, penetrating a gas path outlet of a flowmeter sensor interface gas path pipeline through a reserved port of a right side cover plate, and installing a gas path quick connector at a gas path outlet of the flowmeter sensor interface gas path pipeline; finally, the six surfaces of the instrument are spliced to form a cuboid whole machine.
2. The comprehensive tester for oil and gas recovery of a gas station as claimed in claim 1, wherein the tester is configured with a pocket printer and an explosion-proof battery, and the test result with the number and the date and time is printed in real time in a field safety area as a source tracing basis.
3. The comprehensive tester for oil and gas recovery of a gas station as claimed in claim 1, wherein the tester is provided with a computer interface, and the detection data in the comprehensive tester for oil and gas recovery is imported into a computer in batch for archiving through software.
4. The comprehensive tester for oil and gas recovery of a gas station as claimed in claim 1, wherein the tester employs a roots flowmeter and a high-precision electronic pressure sensor for oil and gas recovery.
5. The comprehensive tester for oil gas recovery of a gas station as claimed in claim 1, wherein the gas-liquid ratio test has the functions of testing the volumes of forward and reverse oil gas, the average flow rate of oil gas, and the instantaneous flow rate of forward and reverse directions, and automatically calculates the gas-liquid ratio and the refueling flow rate.
6. The comprehensive tester for oil and gas recovery of a gas station as claimed in claim 1, wherein the tightness test has the functions of testing negative pressure and automatically calculating the tightness test result.
7. The comprehensive tester for oil and gas recovery of a gas station as claimed in claim 1, wherein the liquid resistance test is performed automatically according to the flow option, and the standard value can be compared when each test parameter is completed, so as to determine whether the test result is qualified.
8. The comprehensive tester for oil and gas recovery at a filling station of claim 1, wherein the tester has data storage and data uploading functions.
9. The comprehensive tester for oil and gas recovery of a gas station as claimed in claim 1, wherein the testing records are printed on site by connecting a portable printer.
10. The comprehensive tester for oil and gas recovery of a gas station of claim 1, wherein the tester can simultaneously perform gas-liquid ratio, tightness and liquid resistance tests of an oil and gas recovery system of the gas station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910200051.1A CN111693228A (en) | 2019-03-15 | 2019-03-15 | Oil gas recovery comprehensive tester of gas station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910200051.1A CN111693228A (en) | 2019-03-15 | 2019-03-15 | Oil gas recovery comprehensive tester of gas station |
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| CN111693228A true CN111693228A (en) | 2020-09-22 |
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| CN201910200051.1A Pending CN111693228A (en) | 2019-03-15 | 2019-03-15 | Oil gas recovery comprehensive tester of gas station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113916311A (en) * | 2021-10-09 | 2022-01-11 | 浙江恒胜机械有限公司 | Oil gas recovery tester |
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| CN113916311A (en) * | 2021-10-09 | 2022-01-11 | 浙江恒胜机械有限公司 | Oil gas recovery tester |
| CN113916311B (en) * | 2021-10-09 | 2024-05-14 | 浙江恒胜机械有限公司 | Oil gas recovery tester |
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Application publication date: 20200922 |