CN114136561A - Oil tank truck oil gas recovery system tightness detection device and detection method - Google Patents
Oil tank truck oil gas recovery system tightness detection device and detection method Download PDFInfo
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- 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
- G01M3/32—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 for containers, e.g. radiators
- G01M3/3236—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 for containers, e.g. radiators by monitoring the interior space of the containers
- G01M3/3272—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 for containers, e.g. radiators by monitoring the interior space of the containers for verifying the internal pressure of closed containers
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Abstract
The application relates to the field of oil gas recovery systems, in particular to a device and a method for detecting the leakproofness of an oil gas recovery system of an oil tank truck, wherein the device comprises a preset proportion threshold value, and the proportion threshold value is that the proportion of oil flow to oil flow is 1: 1; presetting a pressure range threshold value of oil gas in the oil tank truck; collecting oil flow data and oil flow data in an oil loading and unloading process; calculating the ratio of the oil flow data to the oil flow data and obtaining an analysis result, if the ratio is 1:1, acquiring pressure data of oil gas in the oil tank truck in the oil loading and unloading process, comparing the pressure data with a pressure range threshold, and judging that the pressure is normal when the pressure data is in the pressure range threshold; and when the pressure output is out of the pressure threshold range, judging that the pressure is abnormal, if the pressure is abnormal, indicating that the air tightness is abnormal, and outputting an air tightness abnormal signal for prompting. This application has the effect of whether detecting oil gas and appearing leaking.
Description
Technical Field
The application relates to the field of oil-gas recovery systems, in particular to a device and a method for detecting the airtightness of an oil-gas recovery system of an oil tank truck.
Background
The oil tank truck is a vehicle for conveying gasoline, an oil tank for placing gasoline is arranged on the oil tank truck, and liquid gasoline and volatile oil gas usually exist in the oil tank because the gasoline has volatility. When the oil tank truck carries out oil transportation with the buried oil storage tank of filling station, can retrieve volatile oil gas to reach the purpose of environmental protection, need use oil gas recovery system at this in-process.
In the related technology, the oil gas recovery system of the oil tank truck is that the oil tank truck outputs oil with a certain volume to a buried oil storage tank in a gas station, and the buried oil storage tank in the gas station discharges oil gas with the same volume to the oil tank truck, so that the oil gas in the buried oil storage tank moves to the oil tank of the oil tank truck in the oil unloading process, and the purpose of recovery is achieved.
In view of the above-mentioned related technologies, the inventor believes that the following defects exist, in the process, the oil gas leakage phenomenon easily occurs, if the phenomenon is not found in time, the escaped oil gas has serious potential safety hazard, and meanwhile, the volatilization of the oil gas can also cause serious atmospheric pollution.
Disclosure of Invention
In order to detect whether oil gas leaks, the application provides a device and a method for detecting the airtightness of an oil gas recovery system of an oil tank truck.
In a first aspect, the application provides a method for detecting the leakproofness of an oil gas recovery system of an oil tank truck, which adopts the following technical scheme:
a method for detecting the tightness of an oil gas recovery system of an oil tank truck comprises the following steps
Presetting a proportion threshold value, wherein the proportion threshold value is that the ratio of the oil flow to the oil flow is 1: 1;
presetting a pressure range threshold value of oil gas in the oil tank truck;
collecting oil flow data and oil flow data in an oil loading and unloading process;
calculating the ratio of the oil flow data to the oil flow data and obtaining an analysis result, if the ratio is 1:1, acquiring pressure data of oil gas in the oil tank truck in the oil loading and unloading process, comparing the pressure data with a pressure range threshold, and judging that the pressure is normal when the pressure data is in the pressure range threshold; when the pressure output is out of the pressure threshold range, judging that the pressure is abnormal, detecting the air tightness of the oil gas recovery system through the judgment of the pressure, if the pressure is abnormal, indicating that the air tightness is abnormal, and outputting an air tightness abnormal signal for prompting;
if the ratio is not 1:1, the ratio of the oil flow to the oil gas flow is adjusted to be 1:1, and then pressure data comparison is carried out.
By adopting the technical scheme, in the loading and unloading process of oil products, the ratio of the flow rate of the oil products to the flow rate of the oil gases is controlled to be 1:1, the pressure data of the oil gases is detected, if the pressure data of the oil gases is out of the preset pressure range threshold value, the pressure is abnormal at the moment, a worker is prompted that the oil gas leakage phenomenon possibly exists in the oil tank truck, and the worker drives the oil tank truck to a nearby gas station for overhauling at the moment so as to reduce the occurrence of accidents.
Preferably, the collection frequency of the oil flow and the oil gas flow is 50 times/millisecond, the comparison frequency of the oil flow and the oil gas flow is 1 time/millisecond, and the average number of the oil flow per second is compared with the average number of the oil gas flow per second.
By adopting the technical scheme, the average number of the oil flow per second is compared with the average number of the oil gas flow per second, and the phenomenon that the result is influenced by the existing error data is reduced.
Preferably, in the step of calculating the ratio of the oil flow data to the oil flow data and obtaining the analysis result, after the pressure abnormality is judged, the abnormal position is located and the abnormal position is output.
Through adopting above-mentioned technical scheme, the unusual position of location, the staff of being convenient for finds the position of gas leakage fast.
Preferably, a temperature range threshold is preset;
selecting a mode, wherein the mode is provided with a mode I and a mode II, the mode I is applied to the oil tank truck in the oil loading and unloading process, and the mode II is applied to the oil tank truck in the oil storage process;
under the second mode, acquiring temperature data of oil gas in the oil product storage chamber;
comparing the temperature data with a temperature range threshold, and outputting a temperature abnormal signal if the temperature data exceeds the temperature range threshold;
regulating the temperature of the oil gas to be within a temperature range threshold value;
and if the temperature data is in the temperature threshold range, comparing the pressure data with the pressure range threshold, and if the pressure data is not in the pressure range threshold, outputting a pressure abnormal signal for detection.
Through adopting above-mentioned technical scheme, under the two circumstances of mode, because ambient temperature's rising, can volatilize with higher speed, the control temperature can reduce the volatilization of oil gas. Through the temperature and the pressure of detecting oil gas, can also detect the gas tightness in the oil gas storage process, the oil is in the tank wagon.
In a second aspect, the application also discloses a device for detecting the tightness of the oil-gas recovery system of the oil tank truck, which is arranged on the tank body of the oil tank truck, and the method for detecting the tightness of the oil-gas recovery system of the oil tank truck comprises
The sampling module is used for acquiring the oil flow data, the oil gas flow data and the pressure data;
the control module is used for acquiring the collected oil flow data, oil gas flow data and pressure data, calculating the proportion of the oil flow data to the oil gas flow data and outputting an adjusting signal; the control module can also compare the pressure data with a pressure threshold value, judge whether the pressure data is in the pressure threshold value range or not and output a signal of normal pressure or abnormal pressure
The adjusting module receives the adjusting signal and adjusts the ratio of the oil flow data to be 1:1 according to the adjusting signal;
and the warning module receives the signal of normal pressure or abnormal pressure output by the control module and warns.
By adopting the technical scheme, the sampling module collects oil flow data and oil gas flow data and inputs the data into the control module, the control module calculates the proportion of the oil flow data and the oil gas flow data, if the calculation result is not in accordance with the proportion threshold value, the control module controls the adjusting module to adjust the oil gas flow, if the calculation result is in accordance with the proportion threshold value, the sampling module collects pressure data, and the control module compares the pressure data with the pressure range threshold value to judge whether the pressure is normal or not and outputs the judgment result through the warning module.
Preferably, the sampling module includes the first flow sensor that is used for gathering the oil flow, is used for gathering the second flow sensor of oil flow and is used for gathering pressure data's pressure sensor, the intercommunication is provided with the first pipeline that is used for transmitting the oil and the second pipeline that is used for transmitting oil gas between jar body and the buried oil storage tank, first flow sensor installs on first pipeline, second flow sensor installs on the second pipeline, pressure sensor installs in the jar body.
By adopting the technical scheme, the purposes of collecting oil flow data, oil flow data and pressure data are achieved.
Preferably, the adjusting module comprises a first valve installed on the first pipeline and a second control valve installed on the second pipeline fan pipe, and the control module adjusts the flow rate of oil gas in the second pipeline by controlling the opening degree of the second control valve.
Through adopting above-mentioned technical scheme, adjust the degree of opening of second valve to the flow size of regulation oil gas.
Preferably, the second control valve is set to be a normally closed pneumatic valve, and the larger the current of the second control valve receiving control module is, the smaller the opening degree of the second control valve is.
Through adopting above-mentioned technical scheme to reach the purpose of adjusting second valve opening degree.
Preferably, the warning module includes display screen and bee calling organ, and the display screen is used for the oil flow data, oil gas flow data and the pressure data that show in real time and gather, bee calling organ is used for reporting to the police through sound signal under the pressure abnormal conditions appears.
Through adopting above-mentioned technical scheme to reach suggestion and warning staff's purpose.
Preferably, the warning device further comprises a wireless communication module, wherein the wireless communication module is used for enabling the control module to wirelessly communicate with the warning module.
Through adopting above-mentioned technical scheme, the staff portability warns the module, is convenient for in time accept alarm signal.
Drawings
FIG. 1 is a plan structure view of the device for detecting the tightness of the oil-gas recovery system of the oil tank truck.
Fig. 2 is a module frame diagram of the tightness detection system of the oil and gas recovery system of the oil tank truck.
FIG. 3 is a logic flow block diagram of the tightness detection system of the oil and gas recovery system of the oil tank truck.
Reference numerals: 1. a tank body; 11. a chamber; 110. a first conduit; 111. a second conduit; 12. a first main pipe; 13. a second main conduit; 2. burying an oil storage tank; 20. an oil delivery pipe; 21. a gas delivery pipe; 22. a first suction member; 3. a mode selection module; 4. a sampling module; 5. a control module; 6. an adjustment module; 60. a first control valve; 61. a second control valve; 62. a water chilling unit; 7. a warning module; 70. a display screen; 71. a buzzer; 8. and a wireless communication module.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses tank wagon oil gas recovery system leakproofness detection device, refer to FIG. 1, tank wagon oil gas recovery system leakproofness detection device installs on the tank wagon, be provided with the jar body 1 that is used for placing the oil on the tank wagon, be provided with a plurality of independent cavities 11 in jar body 1, cavity 11 is arranged in proper order from the driver's cabin of tank wagon to the rear of a vehicle, a plurality of independent cavities 11 can deposit the oil like different models such as No. 92 petrol, No. 95 petrol respectively, make cavity 11 be No. 1 chamber, No. 2 chamber, … … in proper order from the driver's cabin to the rear of a vehicle.
Each of the independent chambers 11 is provided with a first duct 110 and a second duct 111 in communication. The communication between the first pipeline 110 and the chamber 11 is provided at the bottom of the chamber 11, and a plurality of the first pipelines 110 are communicated with a first main pipeline 12 for communicating with the buried oil storage tank 2.
The communication part of the second pipeline 111 and the chamber 11 is arranged at the top of the chamber 11, and the plurality of second pipelines 111 are communicated with a second main pipeline 13 which is used for being communicated with the buried oil storage tank 2.
An oil delivery pipe 20 and an air delivery pipe 21 are arranged on the buried oil storage tank 2, a first suction piece 22 for delivering oil is arranged on the oil delivery pipe 20, and the first suction piece 22 is a vacuum pump. The oil delivery pipe 20 is provided with a quick coupling for connection to the first main pipe 12. The first pipeline 110 is used for introducing oil to the bottom of the cavity 11 or discharging the oil in the cavity 11, and the second pipeline 111 is used for oil-gas exchange with the buried oil storage tank 2.
Referring to fig. 2, the tightness detection device for the oil gas recovery system of the oil tank truck comprises a mode selection module 3, a sampling module 4, a control module 5, an adjusting module 6, a warning module 7 and a wireless communication module 8, wherein a mode I and a mode II are arranged in the mode selection module 3, the mode I is used for detection work of the oil tank truck in the oil loading and unloading process, and the mode II is used for detection work of the oil tank truck in the oil storage process.
The sampling module 4 comprises a plurality of first flow sensors, second flow sensors and pressure sensors, wherein the first flow sensors are mounted on the first pipeline 110 and used for detecting the flow of oil in the first pipeline 110; the second flow sensor is installed on the second pipeline 111 and is used for detecting the flow of oil gas in the second pipeline 111. The oil flow data collected by the first flow sensor is transmitted to the control module 5 for storage, the oil gas flow data collected by the second flow sensor is transmitted to the control module 5 for storage, the collection frequency of the first flow sensor is 50 times/millisecond, and the collection frequency of the second flow sensor is 50 times/millisecond.
The control module 5 is set as a controller, a proportional threshold is preset in the controller, namely the ratio of the oil flow to the oil flow is 1:1, the controller calls the stored oil flow data and the oil flow data and calculates a proportional value, in the oil loading and unloading process, the controller compares the frequency of the oil flow to the oil flow for 1 time/millisecond, wherein the wallpaper for storing the oil flow data and the oil flow data is the ratio of the average oil flow to the average oil gas flow per second.
The regulating module 6 comprises a first control valve 60 and a second control valve 61, the first control valve 60 being mounted on the first pipe 110 and the second control valve 61 being mounted on the second pipe 111. The second control valve 61 is provided as a pneumatic regulator valve of a pneumatic-closed type.
The parameters of the pneumatic closed regulating valve are shown in the following table:
| controller output current value | Theoretical air pressure value of diaphragm chamber | Theoretical valve opening degree |
| 4mA | 20kpa | 100% |
| 8mA | 40kpa | 75% |
| 12mA | 60kpa | 50% |
| 16mA | 80kpa | 25% |
| 20mA | 100kpa | 0% |
In an initial state, the second control valve 61 is set to be 50% open degree, and when the oil flow is greater than the oil flow, the controller outputs control current to the second control valve to increase the open degree of the second control valve; when the oil flow data is smaller than the oil flow data, the controller outputs a control current to the second control valve 61 to reduce the opening degree of the second control valve 61, so as to adjust the flow rate of the oil gas in the second pipeline 111 to be the same as the flow rate of the oil in the second pipeline 111.
The sampling module 4 further comprises a plurality of pressure sensors, at least one pressure sensor is arranged in each chamber 11, the pressure sensors are used for detecting the pressure of oil gas in the chambers 11, a pressure range threshold value is preset in the controller, the pressure sensors regularly acquire pressure data in the tank body 1, and the acquisition frequency is 1 time/second.
The warning module 7 comprises a display screen 70 and a buzzer 71, the wireless communication module 8 is set to be Bluetooth or WiFi and the like, the controller receives collected pressure data and outputs the pressure data to the display screen 70 to display the value of the pressure data in real time, meanwhile, the controller compares the pressure data with a pressure range threshold value, when the collected pressure data is smaller than or equal to the pressure range threshold value, the display screen 70 displays a signal that the pressure is normal, when the collected pressure data is larger than the pressure range threshold value, the display screen 70 displays a signal that the pressure is abnormal, the buzzer 71 sends a sound signal to remind a worker, and a corresponding number of the cavity 11 is displayed on the display screen 70 to position the position where the pressure is abnormal.
In the first mode, when the ratio of the oil flow to the oil gas flow is not 1:1, the controller adjusts the oil flow and the oil gas flow by adjusting the opening degree of the second control valve 61 until the ratio of the oil flow to the oil gas flow is 1:1, then the acquired pressure data is compared with a preset pressure range threshold, if the pressure data exceeds the pressure range threshold, a chamber 11 with poor air tightness is found, the number of the chamber 11 is located, and a worker overhauls the chamber.
The sampling module 4 further comprises a plurality of temperature sensors, at least one of which is arranged in each chamber 11, a pressure sensor for detecting the pressure of oil gas in the chamber 11, and a temperature sensor for detecting the temperature change in the chamber 11.
Meanwhile, a temperature range threshold is preset in the controller, the temperature sensor regularly collects temperature data in the chamber 11, the collection frequency is 1 time/second, the collected temperature data are output to the controller to be stored, the controller outputs the temperature data to the display screen 70, and the display screen 70 displays the temperature data value. The controller compares the temperature data with the set temperature range threshold, if in the temperature range threshold, the display screen 70 displays a signal of 'normal temperature', if the temperature data is not in the temperature range threshold, the driving unit controls the adjusting module 6 to adjust the temperature in the tank body 1, meanwhile, the display screen 70 displays an alarm signal of 'abnormal temperature', the buzzer 71 sends out a sound signal to remind a worker, and the number of the abnormal temperature chamber 11 is displayed on the display screen 70, so that the position of the abnormal pressure chamber 11 is positioned.
The adjusting module 6 further comprises a water chilling unit 62, the water chilling unit 62 is provided with a water outlet and a water inlet, the outer wall of the tank body 1 is wound with a cooling pipe, two ends of the cooling pipe are respectively communicated with the water inlet and the water outlet, and the water chilling unit is started to enable the cooling pipe to circularly flow with cold water so as to cool the tank body 1.
Under the second mode, temperature and pressure in the cavity 11 are monitored, and because the tank wagon is in the in-process of transporting the oil, when temperature and pressure all change, the oil in the jar body 1 is volatilized with higher speed because of the rise of ambient temperature this moment, leads to the temperature reduction in the jar body 1 of cold water unit and is below the temperature range threshold, reduces the phenomenon that the oil volatilizes oil gas fast.
If the temperature data is still lower than the temperature range threshold value, and the pressure value in the cavity 11 is higher than the threshold value, it indicates that the cavity 11 corresponding to the number of the tank body 1 has an air leakage phenomenon, and at this time, the driver can find the nearest gas station to carry out airtight maintenance on the cavity 11 with the number, so as to reduce the occurrence of safety accidents.
The implementation principle of the oil gas recovery system leakproofness detecting system of the oil tank truck in the embodiment of the application is as follows: when oil is loaded and unloaded, the first mode is selected, the sampling module 4 collects oil flow data and outputs the oil flow data and the oil flow data to the control module 5, the control module 5 calculates the proportion of the oil flow data and compares the proportion with a threshold proportion to judge whether the oil flow data and the oil flow data are in the threshold proportion range, if the oil flow data and the oil flow data are not in the threshold proportion range, the opening degree of the second control valve 61 is adjusted, after the oil flow is adjusted to be the same as the oil flow, the sampling module 4 collects oil gas pressure data and outputs the pressure data to the control module 5, the control module 5 compares the pressure data with a pressure range threshold, and if the pressure data and the pressure range are in, the position with poor air tightness is indicated.
The embodiment of the application also discloses a method for detecting the airtightness of the oil gas recovery system of the oil tank truck. Referring to fig. 3, the method for detecting the airtightness of the oil gas recovery system of the oil tank truck comprises the following steps:
presetting the ratio of oil flow data to be 1: 1;
presetting a pressure range threshold;
presetting a temperature range threshold;
selecting a detection mode, and adjusting the detection mode to be a first mode under the condition of oil product loading and unloading;
collecting oil flow data, oil gas flow data and oil gas pressure data;
comparing whether the ratio of the oil flow data to the oil flow data is 1:1 or not, and if so, judging whether the ratio of the oil flow data to the oil flow data is 1; 1, comparing the pressure data with a preset pressure range threshold, if the pressure data is not within the pressure range threshold, sending a pressure abnormal signal, and if the pressure data is within the pressure range threshold, sending a pressure normal signal; if the ratio of the oil flow data to the oil flow data is not 1; 1, adjusting the opening degree of the second control valve 61 through the controller until the ratio of the flow data to the oil flow data is 1; 1.
in the step of selecting the detection mode, the detection mode is adjusted to be a second mode in the oil transportation process;
collecting temperature data and pressure data of oil gas, wherein the temperature data is temperature change data in the tank body 1;
judging whether the temperature data is within a set temperature range threshold value, and if the temperature data is within the set temperature range threshold value range, outputting a signal of normal temperature; if the temperature data is out of the temperature range threshold range, a signal of 'temperature abnormity' is output to play a warning role.
Meanwhile, judging whether the pressure data is in the range of the pressure range threshold value, and if the pressure data is in the set range, outputting a signal of normal pressure; if the pressure data is out of the pressure range threshold range, a signal of normal pressure is output to play a warning role.
And positioning the positions of the temperature abnormality and the pressure abnormality through the acquired temperature data and pressure data, and sending positioning information to the driver so as to prompt the driver of the position where the air tightness problem occurs.
The implementation principle of the method for detecting the leakproofness of the oil gas recovery system of the oil tank truck in the embodiment of the application is as follows: in the mode, whether the flow velocity of the oil product is the same as the flow velocity of the oil gas or not is determined by comparing the oil product flow data with the oil gas flow data, and under the condition of the same, whether the oil gas pressure data is within a pressure range threshold or not is judged so as to detect the air tightness in the oil product loading and unloading process; and in the second mode, the pressure change of the oil gas caused by the temperature change is eliminated by judging whether the temperature data is in the temperature range threshold value, and the pressure is judged whether to be in the pressure range threshold value under the condition that the temperature data accords with the temperature range threshold value so as to detect the air tightness of the oil product in the transportation and storage processes.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A method for detecting the airtightness of an oil gas recovery system of an oil tank truck is characterized by comprising the following steps: comprises that
Presetting a proportion threshold value, wherein the proportion threshold value is that the ratio of the oil flow to the oil flow is 1: 1;
presetting a pressure range threshold value of oil gas in the oil tank truck;
collecting oil flow data and oil flow data in an oil loading and unloading process;
calculating the ratio of the oil flow data to the oil flow data and obtaining an analysis result,
if the ratio is 1:1, acquiring pressure data of oil gas in the oil tank truck in the oil loading and unloading process, comparing the pressure data with a pressure range threshold value, and judging that the pressure is normal when the pressure data is within the pressure range threshold value; when the pressure output is out of the pressure threshold range, judging that the pressure is abnormal, detecting the air tightness of the oil gas recovery system through the judgment of the pressure, if the pressure is abnormal, indicating that the air tightness is abnormal, and outputting an air tightness abnormal signal for prompting;
if the ratio is not 1:1, the ratio of the oil flow to the oil gas flow is adjusted to be 1:1, and then pressure data comparison is carried out.
2. The method for detecting the tightness of the oil and gas recovery system of the oil tank truck according to claim 1, wherein the method comprises the following steps: the collection frequency of the oil product flow and the oil gas flow is 50 times/millisecond, the comparison frequency of the oil product flow and the oil gas flow is 1 time/millisecond, and the average number of the oil product flow per second is compared with the average number of the oil gas flow per second.
3. The method for detecting the tightness of the oil and gas recovery system of the oil tank truck according to claim 1, wherein the method comprises the following steps: in the step of calculating the proportion of the oil flow data to the oil flow data and obtaining an analysis result, after the pressure is judged to be abnormal, the abnormal position is positioned and the abnormal position is output.
4. The tightness detection device of the oil and gas recovery system of the oil tank truck according to claim 1, characterized in that:
presetting a temperature range threshold;
selecting a mode, wherein the mode is provided with a mode I and a mode II, the mode I is applied to the oil tank truck in the oil loading and unloading process, and the mode II is applied to the oil tank truck in the oil storage process;
under the second mode, acquiring temperature data of oil gas in the oil product storage chamber;
comparing the temperature data with a temperature range threshold, and outputting a temperature abnormal signal if the temperature data exceeds the temperature range threshold;
regulating the temperature of the oil gas to be within a temperature range threshold value;
and if the temperature data is in the temperature threshold range, comparing the pressure data with the pressure range threshold, and if the pressure data is not in the pressure range threshold, outputting a pressure abnormal signal for detection.
5. The utility model provides a tank wagon vapor recovery system leakproofness detection device which characterized in that: the method for detecting the tightness of the oil and gas recovery system of the oil tank truck, which is installed on the tank body (1) of the oil tank truck and uses the oil and gas recovery system of the oil tank truck as claimed in any one of the claims 1 to 3, comprises the steps of
The sampling module (4) is used for acquiring the oil flow data, the oil gas flow data and the pressure data;
the control module (5) is preset in the control module (5), and the control module (5) acquires the collected oil flow data, oil gas flow data and pressure data, calculates the ratio of the oil flow data to the oil gas flow data and outputs an adjusting signal; the control module (5) compares the pressure data with a pressure threshold value, judges whether the pressure data is in the pressure threshold value range or not, and outputs a signal of normal pressure or abnormal pressure
The adjusting module (6) receives the adjusting signal and adjusts the ratio of the oil flow data to be 1:1 according to the adjusting signal;
and the warning module (7) is used for receiving the signal of normal pressure or abnormal pressure output by the control module (5) and warning.
6. The tightness detection device of the oil and gas recovery system of the oil tank truck according to claim 5, characterized in that: sampling module (4) including the first flow sensor that is used for gathering the oil flow, be used for gathering the second flow sensor of oil flow and be used for gathering pressure data's pressure sensor, the intercommunication is provided with first pipeline (110) that are used for transmitting the oil and second pipeline (111) that are used for transmitting oil gas between jar body (1) and buried oil storage tank (2), first flow sensor installs on first pipeline (110), second flow sensor installs on second pipeline (111), pressure sensor installs in jar body (1).
7. The tightness detection device of the oil and gas recovery system of the oil tank truck according to claim 6, characterized in that: the adjusting module (6) comprises a first valve installed on the first pipeline (110) and a second control valve (61) installed on the second pipeline (111), and the control module (5) adjusts the flow rate of oil gas in the second pipeline (111) by controlling the opening degree of the second control valve (61).
8. The tightness detection device of the oil and gas recovery system of the oil tank truck according to claim 7, characterized in that: the second control valve (61) is set to be a normally closed pneumatic valve, and the larger the current output by the control module (5) received by the second control valve (61) is, the smaller the opening degree of the second control valve (61) is.
9. The tightness detection device of the oil and gas recovery system of the oil tank truck according to claim 5, characterized in that: warning module (7) are including display screen (70) and bee calling organ (71), and display screen (70) are used for the oil flow data, oil gas flow data and the pressure data of real-time display collection, bee calling organ (71) are used for reporting to the police through sound signal under the unusual condition of pressure appears.
10. The tightness detection device of the oil and gas recovery system of the oil tank truck according to claim 9, characterized in that: the intelligent warning device is characterized by further comprising a wireless communication module (8), wherein the wireless communication module (8) is used for enabling the control module (5) to be in wireless communication with the warning module (7).
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115824488A (en) * | 2023-01-10 | 2023-03-21 | 中国航空油料有限责任公司 | Method, device, equipment and medium for analyzing abnormity of oil tank truck |
| CN116907738A (en) * | 2023-09-14 | 2023-10-20 | 北斗导航科技(广州)有限公司 | Oil discharge gas recovery test method, terminal equipment and storage medium |
| WO2024136812A1 (en) * | 2022-12-22 | 2024-06-27 | Asya Trafo Otomasyon Elektri̇k Maki̇ne İnşaat Sanayi̇ Ve Diş Ti̇caret Li̇mi̇ted Şi̇rketi̇ | Transformer tank fatigue test unit |
-
2021
- 2021-11-23 CN CN202111393052.6A patent/CN114136561A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024136812A1 (en) * | 2022-12-22 | 2024-06-27 | Asya Trafo Otomasyon Elektri̇k Maki̇ne İnşaat Sanayi̇ Ve Diş Ti̇caret Li̇mi̇ted Şi̇rketi̇ | Transformer tank fatigue test unit |
| CN115824488A (en) * | 2023-01-10 | 2023-03-21 | 中国航空油料有限责任公司 | Method, device, equipment and medium for analyzing abnormity of oil tank truck |
| CN115824488B (en) * | 2023-01-10 | 2023-05-16 | 中国航空油料有限责任公司 | Abnormality analysis method, device, equipment and medium for tank truck |
| CN116907738A (en) * | 2023-09-14 | 2023-10-20 | 北斗导航科技(广州)有限公司 | Oil discharge gas recovery test method, terminal equipment and storage medium |
| CN116907738B (en) * | 2023-09-14 | 2023-11-17 | 北斗导航科技(广州)有限公司 | Oil discharge gas recovery test method, terminal equipment and storage medium |
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Application publication date: 20220304 |