CN109632191B - Experimental device for online oil leakage monitoring of oil tank field and use method - Google Patents
Experimental device for online oil leakage monitoring of oil tank field and use method Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 239
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims description 40
- 238000002474 experimental method Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 claims description 2
- 238000003556 assay Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 61
- 239000003305 oil spill Substances 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
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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
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
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Abstract
The invention relates to an experimental device for online oil leakage monitoring of an oil tank area. According to the invention, an experimental device is built by utilizing the three water tanks, the oil-water separator, the electric valve, the pump, the oil film detector, the controller, the remote terminal and the like, different control measures are taken according to whether the water in the second water tank has the oil film, the oil spilling situation can be effectively identified, the detection of the oil film, the control of the water flowing direction and the field display, wireless transmission and remote uploading of alarm information are automatically completed, and the defects of large physical environment receiving influence, low detection accuracy and the like in the prior art are avoided.
Description
Technical Field
The invention belongs to the technical field of oil leakage monitoring, and particularly relates to an experimental device for online oil leakage monitoring of an oil tank field and a using method.
Background
During the process of oil exploration, development, refining, storage and transportation, the spilled oil leaks from the operation site or an oil storage device to flow to the ground, sleep, beach or sea surface due to accidents or misoperation, and is supposed to be an oil film with different thickness due to different oil components. Historically, there are many oil spills occurring on the sea, such as crude oil leakage in gulf of mexico, etc., oil spills occurring in oil refineries or in oil depots or oil depots may cause more serious safety accidents such as fire and explosion, etc., and if oil products or fire-fighting sewage leaks out of factories, serious environmental pollution accidents may be caused. Therefore, oil spill monitoring measures are of particular importance.
The current factory oil spill monitoring measures mainly include: high liquid level alarm, installation of fixed combustible gas alarm, video monitoring equipment and manual inspection. The current oil spill monitoring technology mainly comprises the following steps: satellite remote sensing monitoring, aerial remote sensing monitoring, ship remote sensing monitoring, television monitoring systems, fixed point monitoring and buoy tracking, in other words, can be broadly divided into remote sensing monitoring technology and non-remote sensing technology. The remote sensing monitoring technology is easy to influence the thickness of the oil film on the water surface by physical environmental factors, and the detection accuracy is low, so that the method is more suitable for monitoring the oil spill at sea. Aiming at the hidden danger of oil spill accidents in a factory, research and development and application of more effective automatic monitoring and alarming measures for oil spill in the factory are the development trend in the future besides the existing oil spill monitoring measures. Designing and using an oil spill alarm system based on oil film monitoring is one of the most feasible methods for monitoring oil spill in a factory area at present.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an experimental device for online oil leakage monitoring of an oil tank area, which combines parts such as a water tank, a liquid level sensor, an electric valve, a pump, a controller, terminal equipment and the like together and effectively identifies oil spillage.
The invention adopts the following specific technical scheme:
the utility model provides an experimental apparatus of online oil leak monitoring in oil tank field which characterized in that: the oil-water separator is characterized by comprising a first water tank, a second water tank, a third water tank, an oil film detector, a water level switch, a pump and an oil-water separator, wherein the first water tank, the second water tank, the third water tank and the oil-water separator are arranged at intervals, the vertical height of the bottom of the first water tank is flush with the upper end opening of the second water tank, and the middle part of the second water tank is flush with the upper end openings of the third water tank and the oil-water separator;
the lower end of the first water tank is communicated with an opening at the upper end of the second water tank, a water level switch and an oil film detector are arranged in the second water tank, the upper end and the lower end of the second water tank are respectively communicated with the third water tank and the oil-water separator through inclined pipelines, electric valves are connected in series on the inclined pipelines, and a high liquid level water level switch and a low liquid level water level switch are respectively arranged in the third water tank and the oil-water separator;
the third water tank and the oil-water separator are respectively communicated with a water pumping port of a pump, and a water outlet of each pump is communicated with the upper end of the first water tank;
the oil film detector, the water level switch and the electric valve are connected with an input/output interface of a controller, and the high liquid level switch, the low liquid level switch and the pump are connected with an input/output interface of a remote terminal.
Furthermore, the first water tank is communicated with the second water tank through an open channel.
Furthermore, the controller is connected with a warning lamp.
And a camera is arranged above the opening at the upper end of the first water tank and is connected with the remote terminal.
And water drain valves are arranged at the bottoms of the first water tank, the second water tank, the third water tank and the oil-water separator.
Furthermore, the controller is wirelessly connected with the handheld terminal.
The invention also aims to provide a using method of the experimental device for the online oil leakage monitoring of the oil tank field, which comprises the following steps:
the method includes the steps that a first water tank conveys water to a second water tank through an open channel;
an oil film detector detects whether an oil film exists in water,
if the oil film exists, calling a leakage process;
if no oil film exists, calling a non-leakage process;
thirdly, fitting a curve according to the data of the leaked oil film detected by the oil film detector;
fourthly, completing an experiment;
the leakage process comprises the steps of:
the water tank control system comprises a water tank, a third water tank, a fourth water tank and a fourth water tank, wherein the third water tank is communicated with the third water tank;
secondly, the controller sends the leakage information to the handheld terminal and drives the warning lamp to be turned on;
thirdly, the remote terminal starts the camera to record and take pictures in the second water tank;
detecting water levels by a high liquid level switch and a low liquid level switch in the oil-water separator, and transmitting detection results to a remote terminal;
when the high liquid level and water level switch acts, the remote terminal drives the pump communicated with the oil-water separator to start, and water returns to the first water tank;
the leak-free process comprises the steps of:
the water separator is connected with the water tank, and the water tank is communicated with the oil-water separator;
detecting the water level by a high liquid level switch and a low liquid level switch in a third water tank, and transmitting the detection result to a remote terminal;
and when the high liquid level and water level switch acts, the remote terminal drives the pump communicated with the third water tank to start, and water returns to the first water tank.
The invention has the advantages and beneficial effects that:
according to the invention, an experimental device is built by utilizing the three water tanks, the oil-water separator, the electric valve, the pump, the oil film detector, the controller, the remote terminal and the like, different control measures are taken according to whether the water in the second water tank has the oil film, the oil spilling situation can be effectively identified, the detection of the oil film, the control of the water flowing direction and the field display, wireless transmission and remote uploading of alarm information are automatically completed, and the defects of large physical environment receiving influence, low detection accuracy and the like in the prior art are avoided.
Drawings
FIG. 1 is a schematic connection diagram of the present invention;
fig. 2 is a curve fitted to the test data.
Detailed Description
The present invention is further described in the following examples, but the technical content described in the examples is illustrative and not restrictive, and the scope of the present invention should not be limited thereby.
An experimental device for on-line oil leakage monitoring of an oil tank field is disclosed, as shown in fig. 1, the innovation of the invention is as follows: including first water pitcher 1, second water pitcher 2 and third water pitcher 3, oil film detector 1', water level switch 2', pump 1, 2 and oil water separator, first water pitcher 1, second water pitcher 2, third water pitcher 3 and oil water separator interval set up, and the vertical height of 1 bottom of first water pitcher flushes with 2 upper end openings of second water pitcher, and the middle part of second water pitcher 2 flushes with the upper end opening of third water pitcher 3 and oil water separator.
The lower end of the first water tank 1 is communicated with the upper end opening of the second water tank 2, a water level switch and an oil film detector which are positioned at a high position are arranged in the second water tank 2, the upper end and the lower end of the second water tank 2 are respectively communicated with the third water tank 3 and the oil-water separator through inclined pipelines 12, electric valves 4 'and 5' are respectively connected in series on the two inclined pipelines, a high liquid level water level switch 3 and a low liquid level water level switch 4 are arranged in the third water tank 3, and a high liquid level water level switch 5 and a low liquid level water level switch 6 are arranged in the oil-.
The third water tank 3 and the oil-water separator are respectively communicated with a water pumping port of a pump, and a water outlet of each pump is communicated with the upper end of the first water tank through a pipeline 11. The oil film detector, the water level switch and the electric valve are connected with an input/output interface of a controller 9, and the high liquid level switch, the low liquid level switch and the pump are connected with an input/output interface of a remote terminal 10.
The first water tank 1 is communicated with the second water tank 2 through an open channel. The controller is connected with a warning lamp 3'. A camera 7 is arranged above the opening at the upper end of the first water tank 1 and is connected with a remote terminal. The bottoms of the first water tank 1, the second water tank 2, the third water tank 3 and the oil-water separator are provided with water drain valves. The controller is connected with the hand-held terminal 8 in a wireless mode.
The use method of the experimental device for the online oil leakage monitoring of the oil tank field comprises the following steps:
the first water tank 1 conveys water to the second water tank 2 by utilizing an open channel;
an oil film detector detects whether an oil film exists in water,
if the oil film exists, calling a leakage process;
if no oil film exists, calling a non-leakage process;
thirdly, fitting a curve according to the data of the leaked oil film detected by the oil film detector;
fourthly, completing an experiment;
the leakage process comprises the steps of:
starting a motorized valve 5 'on an inclined pipeline communicated with an oil-water separator by a controller, closing a motorized valve 4' on the inclined pipeline communicated with a third water tank 3, and allowing water to flow into the oil-water separator;
secondly, the controller sends the leakage information to the handheld terminal and drives the warning lamp to be turned on;
thirdly, the remote terminal starts the camera to record and take pictures in the second water tank 2;
a high liquid level switch 5 and a low liquid level switch 6 in the oil-water separator detect water levels and transmit detection results to a remote terminal;
when the high liquid level and water level switch acts, the pump 2 communicated with the oil-water separator is driven by the remote terminal to start, and water returns to the first water tank.
The leak-free process comprises the steps of:
the controller starts a motorized valve 4 'on an inclined pipeline communicated with a third water tank 3, closes a motorized valve 5' on the inclined pipeline communicated with an oil-water separator, and water flows into the third water tank 3;
secondly, detecting the water level by a high-liquid-level water level switch 3 and a low-liquid-level water level switch 4 in the third water tank 3, and transmitting the detection result to a remote terminal;
when the high liquid level water level switch acts, the remote terminal drives the pump 1 communicated with the third water tank 3 to start, and water returns to the first water tank 1.
The corresponding signal intensities after different batches of diesel addition are shown in table 1:
TABLE 1 Signal Strength corresponding to oil film thickness
Inner diameter r of container1189mm cross-sectional area S1＝1121.64cm2
Radius r of circular float of sensor270mm cross-sectional area S2＝153.86cm2
Section S of actual oil film is 967.78cm2
And (3) taking the oil film thickness as an independent variable and the signal intensity as a dependent variable to draw a graph, and fitting a curve shown as a graph 2, wherein the fitted curve is a logarithmic function: y-87.570 ln (x) +1260.4, coefficient of correlation R2＝0.9882。
According to the invention, an experimental device is built by utilizing the three water tanks, the oil-water separator, the electric valve, the pump, the oil film detector, the controller, the remote terminal and the like, different control measures are taken according to whether the water in the second water tank has the oil film, the oil spilling situation can be effectively identified, the detection of the oil film, the control of the water flowing direction and the field display, wireless transmission and remote uploading of alarm information are automatically completed, and the defects of large physical environment receiving influence, low detection accuracy and the like in the prior art are avoided.
Claims (2)
1. The utility model provides an experimental apparatus of online oil leak monitoring in oil tank field which characterized in that: the oil-water separator is characterized by comprising a first water tank, a second water tank, a third water tank, an oil film detector, a water level switch, a pump and an oil-water separator, wherein the first water tank, the second water tank, the third water tank and the oil-water separator are arranged at intervals;
the lower end of the first water tank is communicated with an opening at the upper end of the second water tank through an open channel, a water level switch and an oil film detector are arranged in the second water tank, the upper end and the lower end of the second water tank are respectively communicated with a third water tank and an oil-water separator through inclined pipelines, electric valves are connected in series on the inclined pipelines, and a high liquid level water level switch and a low liquid level water level switch are respectively arranged in the third water tank and the oil-water separator;
the third water tank and the oil-water separator are respectively communicated with a water pumping port of a pump, and a water outlet of each pump is communicated with the upper end of the first water tank;
the oil film detector, the water level switch and the electric valve are connected with an input/output interface of a controller, the controller is connected with a warning lamp, and the controller is connected with the handheld terminal; the high liquid level water level switch, the low liquid level water level switch and the pump are connected with an input/output interface of a remote terminal, and a camera is arranged above an opening at the upper end of the first water tank and connected with the remote terminal;
the use method of the experimental device comprises the following steps:
the method includes the steps that a first water tank conveys water to a second water tank through an open channel;
an oil film detector detects whether an oil film exists in water,
if the oil film exists, calling a leakage process;
if no oil film exists, calling a non-leakage process;
thirdly, fitting a curve according to the data of the leaked oil film detected by the oil film detector;
fourthly, completing an experiment;
the leakage process comprises the steps of:
the water tank control system comprises a water tank, a third water tank, a fourth water tank and a fourth water tank, wherein the third water tank is communicated with the third water tank;
secondly, the controller sends the leakage information to the handheld terminal and drives the warning lamp to be turned on;
thirdly, the remote terminal starts the camera to record and take pictures in the second water tank;
detecting water levels by a high liquid level switch and a low liquid level switch in the oil-water separator, and transmitting detection results to a remote terminal;
when the high liquid level and water level switch acts, the remote terminal drives the pump communicated with the oil-water separator to start, and water returns to the first water tank;
the leak-free process comprises the steps of:
the water separator is connected with the water tank, and the water tank is communicated with the oil-water separator;
detecting the water level by a high liquid level switch and a low liquid level switch in a third water tank, and transmitting the detection result to a remote terminal;
when the high liquid level switch acts, the remote terminal drives the pump communicated with the third water tank to start, water returns to the first water tank,
the oil film thickness is independent variable, and the signal intensity is dependent variable, and the calculation formula is as follows:
coefficient of correlation R2=0.9882。
2. The use method of the experimental device for the online oil leakage monitoring of the oil tank field is characterized in that: comprising the assay device of claim 1, the method of use comprising the steps of:
the method includes the steps that a first water tank conveys water to a second water tank through an open channel;
an oil film detector detects whether an oil film exists in water,
if the oil film exists, calling a leakage process;
if no oil film exists, calling a non-leakage process;
thirdly, fitting a curve according to the data of the leaked oil film detected by the oil film detector;
fourthly, completing an experiment;
the leakage process comprises the steps of:
the water tank control system comprises a water tank, a third water tank, a fourth water tank and a fourth water tank, wherein the third water tank is communicated with the third water tank;
secondly, the controller sends the leakage information to the handheld terminal and drives the warning lamp to be turned on;
thirdly, the remote terminal starts the camera to record and take pictures in the second water tank;
high liquid level water level switch and low liquid level water level switch in oil-water separator detect the water level to carry far away with the testing result
A program terminal;
when the high liquid level and water level switch acts, the remote terminal drives the pump communicated with the oil-water separator to start, and water returns to the first water tank;
the leak-free process comprises the steps of:
the water separator is connected with the water tank, and the water tank is communicated with the oil-water separator;
detecting the water level by a high liquid level switch and a low liquid level switch in a third water tank, and transmitting the detection result to a remote terminal;
and when the high liquid level and water level switch acts, the remote terminal drives the pump communicated with the third water tank to start, and water returns to the first water tank.
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| KR20110045867A (en) * | 2009-10-28 | 2011-05-04 | 대우조선해양 주식회사 | Equipment for preventing oil outflow in ships |
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| CN204925100U (en) * | 2015-09-16 | 2015-12-30 | 广州泰格测控技术有限公司 | Online oil spilling monitoring alarm system |
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