CN1152197C - Oil pipe leakage automatic detection and alarm method and its equipment - Google Patents
Oil pipe leakage automatic detection and alarm method and its equipment Download PDFInfo
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- CN1152197C CN1152197C CNB021100446A CN02110044A CN1152197C CN 1152197 C CN1152197 C CN 1152197C CN B021100446 A CNB021100446 A CN B021100446A CN 02110044 A CN02110044 A CN 02110044A CN 1152197 C CN1152197 C CN 1152197C
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Abstract
The present invention relates to an automatic detection alarming method for the leakage of an oil pipe leakage and an automatic detection alarm thereof, belonging to the technical field of petroleum transportation. The automatic detection alarming method for the leakage of an oil pipe leakage comprises the steps of quantitatively adding detecting substances in the source end of a petroleum delivery pipe; detecting and recovering the detecting substances at the terminal of the petroleum delivery pipe; comparing and determining the quantity of the added detecting substances and the recovered detecting substances, etc. The automatic detection alarm is composed of a pellet adding device, a pellet, a filtering net and a pellet collecting detection device, wherein the density of the pellet is 95% to 105% of crude oil; the diameter of the mesh of the filtering net is smaller than the diameter of the pellet; the pellet adding device is composed of a pellet vessel, a pellet conveyer, a pipeline, a valve, a pellet chamber, an air compressor, a petroleum storing can and a single chip microcomputer controller; the pellet collecting detection device is composed of a pipeline, a valve, a pellet and petroleum separator, an air compressor, a petroleum storing can, a pellet storing device, a pellet collecting decider and a single chip microcomputer pellet collecting controller. The automatic detection alarm can discover that petroleum leaks or is stolen in time and has the advantages of high precision and high reliability; therefore, national loss can be greatly reduced. The automatic detection alarming method for the leakage of an oil pipe leakage and the automatic detection alarm thereof can be widely applied to the leak detection of liquid pipelines, such as petroleum pipelines, gasoline pipelines, gas pipelines, water pipelines, steam pipelines, etc.
Description
Technical field
The invention belongs to the petroleum pipeline technical field of petroleum industry, more clearly say so a kind of transport pipe Leakage Detection alarm method and automatic detection alarm device thereof based on communication theory.
Background technique
At present, oil pipeline leakage or stolen oil condition at home and abroad all happen occasionally.Especially at home, oil condition is very serious steathily.Transport pipe is multi-point and wide-ranging, and some place is very remote bleak and desolate.Steal oily person and often select this type of place, bore broken pipeline and steal oil.Remote bleak and desolate owing to being located in, the oil field guard also is difficult to find.Therefore, stolen, the leakage of a large amount of crude oil brings about great losses for country and enterprise.Even the oil field guard has found oil drop steathily, also often grab less than stealing oily person.Therefore, find that in time it is crucial that pipe leakage is in time handled.
The present both at home and abroad detecting method to pipe leakage mainly contains following several:
1. use various sensors, to the pressure of crude oil in the transport pipe, flow velocity, flow, temperature etc. indirectly amount detect, the difference of contrast transmitting terminal and receiving terminal relative quantity, judgement has or not leakage.
2. judge according to the sound that leaks and have or not leakage.
3. adopt the detecting method of laser imaging.
The something in common of above several method is to adopt various sensor.Because the pressure of crude oil, flow velocity, flow, temperature etc. all change in the transport pipe, and the precision of sensor is limited, leak than hour, be difficult to detect.And this class detects often needs the more time, can not in time find leakage of oil or steal oil.
Purpose of the present invention just is to overcome above-mentioned shortcoming and defect, provides a kind of can the discovery in the short period of time to leak or steal oil, in time sends alarm signal; And which bar oil pipe what can clearly indicate leakage is, is convenient to that the field operations personnel in time set out or in time handles; Even less leakage also can detect, thereby can significantly reduce the transport pipe Leakage Detection alarm method and the automatic detection alarm device thereof of the country and the loss of enterprise.
Summary of the invention
In order to achieve the above object, transport pipe Leakage Detection alarm method of the present invention quantitatively adds the detection bead by the solid globules transmitter installation is set at the source of transport pipe end in transport pipe, in the terminal of transport pipe the solid globules detection device being set quantitatively detects and reclaims the detection bead that adds in the transport pipe, the quantity of the detection bead of the detection bead that adds and recovery is compared decision analysis, just as do not meet the step that normal value sends alarm signal and constitute.
According to the transport pipe Leakage Detection warning device of above-mentioned transport pipe Leakage Detection alarm method, by the ball adding device of the source end that is installed in transport pipe, by ball adding device add solid globules in the transport pipe, be installed in the terminal of transport pipe filter screen, be installed in receipts ball detection device on the filter screen and solid globules and add and reclaim the quantity relative analytic apparatus and constituted.The density of solid globules should be the crude oil of being carried density 95%～105%, and be easy to separate with crude oil, can be, can not corroded by crude oil that carried with the crude oil generation chemical reaction of being carried.
Solid globules can be made by the ABS material.
Ball adding device is by the ball container, the ball conveyer that is communicated with the ball container, the pipeline one that is communicated with the ball conveyer, be installed in valve one and valve two on the pipeline one, the ball chamber that is communicated with the outlet of valve two, the air compressor that is communicated with pipeline two with the ball chamber, be installed in the valve three on the pipeline two, with the oil tank of ball chamber with the pipeline tee joint, be installed in the valve four on the pipeline three, the pipeline four of connection between ball chamber and transport pipe, be installed in the valve five on the pipeline four and be electrically connected with above-mentioned ball conveyer and five valves respectively and the singlechip controller that it is controlled is constituted.Five valves are the Electromagnetic Control valve, be convenient to singlechip controller it is controlled.
Filter screen is a funnel shape, and its mesh diameter is less than the diameter of solid globules, and filter screen is made by the material of anti-crude oil corrosion.The main effect of filter screen is exactly bead to be leached and introduces receipts ball detection device from transport pipe.
Receive the ball detection device by the pipeline five that is communicated with filter screen, be installed in valve six and valve seven in the pipeline five, the ball-oil separator that is communicated with valve seven, the air compressor that is communicated with pipeline six with ball-oil separator, be installed in the valve eight in the pipeline six, the oil tank that is communicated with pipeline seven with ball-oil separator, be installed in the valve nine in the pipeline seven, the ball-storing device that is communicated with pipeline eight with ball-oil separator, be installed in the valve ten in the pipeline eight, be installed in the ball-ercovering judgement device that is positioned at valve ten back on the pipeline eight, be installed in often driving sensitive switch and be electrically connected and the single-chip microcomputer ball-ercovering controller that it is controlled is constituted with often open sensitive switch and five valves of above-mentioned ball-ercovering judgement device respectively in the ball-ercovering judgement device.Above-mentioned five valves six～ten are the Electromagnetic Control valve, be convenient to the single-chip microcomputer ball-ercovering controller it is controlled.
This solid globules can flow with crude oil, avoids leading or lag behind causing precise decreasing, and cost is low, and is easy to manufacture, and can detect less leakage of oil.
The present invention has adopted the communications theory, has broken the existing thinking of carrying out Leak testtion both at home and abroad with sensor, does not use sensor, but adds the additional testing material as detected medium in fluid.The additional testing material can be controlled artificially, is not subjected to multiple factor affecting such as hydrodynamic pressure, temperature, flow, flow velocity, therefore relatively accurately.The present invention adopts the mode that adds bead at the source end, and available fairly simple method solves the less Leak testtion problem of leakage point leak diameter.When the leakage point leak more hour, the method for available adding liquid.
The invention provides a kind of can the discovery in the short period of time and leak or steal oil, in time send alarm signal; And which bar oil pipe what can clearly indicate leakage is, is convenient to that the field operations personnel in time set out or in time handles; Even less leakage also can detect, thereby can significantly reduce the transport pipe Leakage Detection alarm method and the automatic detection alarm device thereof of the country and the loss of enterprise.It can extensively be generalized in the detection of any escape of liquid.
Description of drawings
Fig. 1 is a general illustration of the present invention.
Fig. 2 is the schematic representation of ball adding device.
Fig. 3 is for receiving the schematic representation of ball detection device.
Fig. 4 is the schematic representation of filter screen.
Shown in Figure 1, Leakage Detection warning device of the present invention is made of the ball adding device 1 of the source end 2 that is installed in transport pipe, the solid globules 13 by in the ball adding device 1 adding transport pipe, the filter screen 3 that is installed in the terminal 5 of transport pipe, the receipts ball detection device 4 that is installed on the filter screen 3.The density of solid globules 13 should be the crude oil of being carried density 95%～105%, and be easy to separate with crude oil, can be, can not corroded by crude oil that carried with the crude oil generation chemical reaction of being carried.It is made by the ABS material, and diameter is less than 5 millimeters.
Shown in Figure 2, ball adding device 1 is by ball container 6, the ball conveyer 7 that is communicated with ball container 6, the pipeline 1 that is communicated with ball conveyer 7, be installed in valve 1 and valve 2 32 on the pipeline 1, the ball chamber 9 that is communicated with the outlet of valve ' 32, the air compressor 11 that is communicated with pipeline 2 32 with ball chamber 9, be installed in the valve 3 33 on the pipeline 2 10, the oil tank 12 that is communicated with pipeline 3 27 with ball chamber 9, be installed in the valve 4 34 on the pipeline 3 27, the pipeline four 28 of connection between ball chamber 9 and transport pipe, be installed in the valve 5 35 on the pipeline 4 28 and be electrically connected with above-mentioned ball conveyer 7 and five valves respectively and its singlechip controller of controlling 8 is constituted.Five valves are the Electromagnetic Control valve.
Shown in Figure 3, receive ball detection device 4 by the pipeline 5 29 that is communicated with filter screen 3, be installed in valve 6 36 and valve 7 37 in the pipeline 5 29, the ball-oil separator 15 that is communicated with valve 7 37, the air compressor 16 that is communicated with pipeline 6 30 with ball-oil separator 15, be installed in the valve 8 38 in the pipeline 6 30, the oil tank 17 that is communicated with pipeline 7 41 with ball-oil separator 15, be installed in the valve 9 39 in the pipeline 7 41, the ball-storing device 21 that is communicated with pipeline 8 42 with ball-oil separator 15, be installed in the valve 10 in the pipeline 8 42, be installed in the ball-ercovering judgement device 18 that is positioned at valve 10 back on the pipeline 8 42, be installed in often driving sensitive switch 19 and be electrically connected and the single-chip microcomputer ball-ercovering controller 20 that it is controlled is constituted with often open sensitive switch 19 and five valves of above-mentioned ball-ercovering judgement device 18 respectively in the ball-ercovering judgement device 18.Above-mentioned five valves six～ten are the Electromagnetic Control valve.
Shown in Figure 4, filter screen 3 is a funnel shape, and its mesh diameter is less than the diameter of bead 13, and filter screen 3 is made by the material of anti-crude oil corrosion.The front of the back valve 6 36 of filter screen 3 also is installed with a manually-operated gate 26.Control more convenient.
Embodiment
Specific embodiments of the invention are as follows:
Embodiment 1.A kind of transport pipe Leakage Detection alarm method.It quantitatively adds detection material by transmitter installation is set at the source of transport pipe end in transport pipe, in the terminal of transport pipe detection device being set quantitatively detects and reclaims the detection material that adds in the transport pipe, the amount of the detection material of the detection material that adds and recovery is compared decision analysis, just as do not meet normal value and send step such as alarm signal and constitute.Detection material is a kind of solid globules, its density be the crude oil carried density 95%～105%, and be easy to separate with crude oil, can not be with the crude oil generation chemical reaction of being carried, can not corroded by crude oil that carried.Bead is made by the ABS material
Embodiment 2.A kind of transport pipe Leakage Detection warning device.It is made of the ball adding device of the source end that is installed in transport pipe, the solid globules by in the ball adding device adding transport pipe, the filter screen that is installed in the terminal of transport pipe, the receipts ball detection device that is installed on the filter screen.As shown in Figure 1.The density of solid globules be the crude oil carried density 95%～105%, and be easy to separate with crude oil, can be, can not corroded by crude oil that carried with the crude oil generation chemical reaction of being carried.Bead is made by the ABS material, and diameter is 4 millimeters.Embodiment 3 can detect diameter greater than the leak more than 4 millimeters.
Ball adding device is by the ball container, the ball conveyer that is communicated with the ball container, the pipeline one that is communicated with the ball conveyer, be installed in valve one and valve two on the pipeline one, the ball chamber that is communicated with the outlet of valve two, the air compressor that is communicated with pipeline two with the ball chamber, be installed in the valve three on the pipeline two, with the oil tank of ball chamber with the pipeline tee joint, be installed in the valve four on the pipeline three, the pipeline four of connection between ball chamber and transport pipe, be installed in the valve five on the pipeline four and be electrically connected with above-mentioned ball conveyer and five valves respectively and the singlechip controller that it is controlled is constituted.Five valves are the Electromagnetic Control valve, be convenient to singlechip controller it is controlled.
Filter screen is a funnel shape, and its mesh diameter is less than the diameter of solid globules, and filter screen is made by the material of anti-crude oil corrosion.The main effect of filter screen is exactly bead to be leached and introduces receipts ball detection device from transport pipe.
Receive the ball detection device by the pipeline five that is communicated with filter screen, be installed in valve six and valve seven in the pipeline five, the ball-oil separator that is communicated with valve seven, the air compressor that is communicated with pipeline six with ball-oil separator, be installed in the valve eight in the pipeline six, the oil tank that is communicated with pipeline seven with ball-oil separator, be installed in the valve nine in the pipeline seven, the ball-storing device that is communicated with pipeline eight with ball-oil separator, be installed in the valve ten in the pipeline eight, be installed in the ball-ercovering judgement device that is positioned at valve ten back on the pipeline eight, be installed in often driving sensitive switch and be electrically connected and the single-chip microcomputer ball-ercovering controller that it is controlled is constituted with often open sensitive switch and five valves of above-mentioned ball-ercovering judgement device respectively in the ball-ercovering judgement device.Above-mentioned five valves six～ten are the Electromagnetic Control valve, be convenient to the single-chip microcomputer ball-ercovering controller it is controlled.
The ball container provides the bead of certain tactic and enough longer a period of time uses.The ball conveyer is an impeller type.In order to allow bead enter pipeline by certain time interval, adopt the method for control wheel speed, add bead by certain speed.This time lag can be provided with arbitrarily by singlechip controller.
Singlechip controller makes bead enter transport pipe smoothly according to the wheel speed of regular hour order and time span five Electromagnetic Control valves of automatic control and ball conveyer.Each output control terminal mouth of singlechip controller all has a power amplifier, controls each valve and ball conveyor motor rotating speed by the output of power amplifier, makes them carry out various operations according to the instruction of single-chip microcomputer.
The job order of ball adding device is as follows:
Bead enters pipeline one from the ball container in certain sequence by the ball conveyer.Bead enters time lag of pipeline one should be synchronous with the switching of valve one.After bead entered pipeline one, valve one was opened, after bead enters between valve one and the valve two automatically, and throttle down one.Open valve two then, bead enters the ball chamber by freely falling body, and valve two returnings to customs are closed.Subsequently, valve three, valve five are opened successively.Valve three is opened, and the high-pressure air of air compressor is blown into pipeline four with bead, follows throttle down five, opens valve four.Valve four is communicated with oil tank, so under the blowing of high-pressure air, the anti-crude oil that enters the ball chamber is blown into oil tank, throttle down four, valve three in turn at last.So go round and begin again, circulation is worked incessantly.
The main effect of receiving the ball detection device has two.The one, ball is separated with crude oil.The 2nd, receive ball after, by often driving sensitive switch, send a control signal, by the analytical calculation of single-chip microcomputer, supervisory signal is presented on the monitor unit again.When leakage being arranged on the transport pipe that is being monitored or steal oil, bead can leak with crude oil.The quantity of the bead that is recovered in the terminal of transport pipe will reduce, and the time lag will be elongated, and receives that the time lag of bead is also inhomogeneous.According to these features, just can find the leakage of oil pipe.During tubing leak, also can send various alarm signals such as sound, light.
The separation of ball oil is achieved in that valve six is opened automatically after bead arrives pipeline five, and bead is the zone before crude oil enters valve seven.Because bead sends certain time interval is arranged, and the flow velocity of oil is constant basically in the oil pipe, so bead arrives by certain time interval.Therefore, generally speaking, only arrive a bead at every turn.After receiving bead, valve six is closed.Open with late gate seven.After treating that bead enters ball-oil separator, throttle down seven.Open valve eight, valve nine simultaneously, then open valve ten.All there is filter screen at valve eight and valve nine places.Because the air compressor that links to each other with valve eight blows out high-pressure air, just crude oil is blown into valve nine, and bead is blown in the pipeline eight.Throttle down ten subsequently, again orderly close-down valve nine, valve eight.It is more than so to go round and begin again, circulate, and just bead can be reclaimed successively.The single-chip microcomputer ball-ercovering controller is made of single-chip microcomputer, and it separates ball oil according to regular hour order and time lag autocontrol valve six～valve ten smoothly.Each output control terminal mouth of this single-chip microcomputer all has a power amplifier, controls each valve by the output of power amplifier, makes them carry out various operations according to the instruction of single-chip microcomputer.
Be installed with in the ball-ercovering judgement device and often drive sensitive switch.When valve ten was opened, the high-pressure air that is blown out by air compressor made bead by often driving sensitive switch, with its normally opened contact closure once.When each bead passes through, all can make and often hold the sensitive switch closure once.So ball-ercovering judgement device is just judged once, and this signal is transferred to single-chip microcomputer.The single-chip microcomputer ball-ercovering controller is counting automatically.Bead enters ball-storing device by after often driving sensitive switch.Ball-storing device is a container of receiving ball, and it is arranged the ball of receiving in sequence.It should be able to hold 10～15 days receipts nodule number amount, is convenient to change.A manually-operated gate also can be installed in the front of the back valve six of filter screen in the pipeline five, and is so that filter screen is controlled, more convenient.
Embodiment 3.A kind of transport pipe Leakage Detection warning device.It is made of the ball adding device of the source end that is installed in transport pipe, the solid globules by in the ball adding device adding transport pipe, the filter screen that is installed in the terminal of transport pipe, the receipts ball detection device that is installed on the filter screen.As shown in Figure 2.The density of solid globules be the crude oil carried density 95%～105%, and be easy to separate with crude oil, can be, can not corroded by crude oil that carried with the crude oil generation chemical reaction of being carried.Bead is made by the ABS material, and diameter is 5 millimeters.Present embodiment 4 can detect diameter greater than the leak more than 5 millimeters.
Embodiment 4.A kind of transport pipe Leakage Detection warning device.It is made of the ball adding device of the source end that is installed in transport pipe, the solid globules by in the ball adding device adding transport pipe, the filter screen that is installed in the terminal of transport pipe, the receipts ball detection device that is installed on the filter screen.As shown in Figure 3.The density of solid globules be the crude oil carried density 95%～105%, and be easy to separate with crude oil, can be, can not corroded by crude oil that carried with the crude oil generation chemical reaction of being carried.Bead is made by the ABS material, and diameter is 3 millimeters.Present embodiment 5 can detect diameter greater than the leak more than 3 millimeters.
Embodiment 5.A kind of transport pipe Leakage Detection warning device.It is made of the ball adding device of the source end that is installed in transport pipe, the solid globules by in the ball adding device adding transport pipe, the filter screen that is installed in the terminal of transport pipe, the receipts ball detection device that is installed on the filter screen.As shown in Figure 4.The density of solid globules be the crude oil carried density 95%～105%, and be easy to separate with crude oil, can be, can not corroded by crude oil that carried with the crude oil generation chemical reaction of being carried.Bead is made by the ABS material, and diameter is 3.5 millimeters.Its filter screen is a funnel shape, and its mesh diameter is less than the diameter of bead, and filter screen is made by the material of anti-crude oil corrosion.The front of the back valve six of filter screen also is installed with a manually-operated gate.
Embodiment 1～embodiment 5 can in time find to leak or steal oil, and the precision height is highly reliable, significantly reduces national loss.Can be widely used in the Leak testtion of oil pipeline or other fluid.
Claims (8)
1. transport pipe Leakage Detection alarm method, it is characterized in that it quantitatively adds the detection bead by the solid globules transmitter installation is set at the source of transport pipe end in transport pipe, in the terminal of transport pipe the solid globules detection device being set quantitatively detects and reclaims the detection bead that adds in the transport pipe, the quantity of the detection bead of the detection bead that adds and recovery is compared decision analysis, just as do not meet the step that normal value sends alarm signal and constitute.
2. transport pipe Leakage Detection warning device according to the described transport pipe Leakage Detection of claim 1 alarm method, it is characterized in that its ball adding device by the source end that is installed in transport pipe, by the solid globules in the ball adding device adding transport pipe, be installed in the filter screen of the terminal of transport pipe, the receipts ball detection device and the solid globules adding that are installed on the filter screen constitute with recovery quantity relative analytic apparatus, the density of solid globules should be the crude oil of being carried density 95%～105%, and be easy to separate with crude oil, not can with the crude oil generation chemical reaction of being carried, can do not corroded by crude oil that carried.
3. according to the described transport pipe Leakage Detection of claim 2 warning device, it is characterized in that said solid globules made by the ABS material.
4. according to claim 2 or 3 described transport pipe Leakage Detection warning devices, it is characterized in that said ball adding device is by the ball container, the ball conveyer that is communicated with the ball container, the pipeline one that is communicated with the ball conveyer, be installed in valve one and valve two on the pipeline one, the ball chamber that is communicated with the outlet of valve two, the air compressor that is communicated with pipeline two with the ball chamber, be installed in the valve three on the pipeline two, with the oil tank of ball chamber with the pipeline tee joint, be installed in the valve four on the pipeline three, the pipeline four of connection between ball chamber and transport pipe, be installed in the valve five on the pipeline four and be electrically connected with above-mentioned ball conveyer and five valves respectively and the singlechip controller that it is controlled is constituted, five valves are the Electromagnetic Control valve.
5. according to claim 2 or 3 described transport pipe Leakage Detection warning devices, it is characterized in that said filter screen is a funnel shape, its mesh diameter is less than the diameter of solid globules, and filter screen is made by the material of anti-crude oil corrosion.
6. according to claim 2 or 3 described transport pipe Leakage Detection warning devices, it is characterized in that said receipts ball detection device is by the pipeline five that is communicated with filter screen, be installed in valve six and valve seven in the pipeline five, the ball-oil separator that is communicated with valve seven, the air compressor that is communicated with pipeline six with ball-oil separator, be installed in the valve eight in the pipeline six, the oil tank that is communicated with pipeline seven with ball-oil separator, be installed in the valve nine in the pipeline seven, the ball-storing device that is communicated with pipeline eight with ball-oil separator, be installed in the valve ten in the pipeline eight, be installed in the ball-ercovering judgement device that is positioned at valve ten back on the pipeline eight, be installed in often driving sensitive switch and be electrically connected and the single-chip microcomputer ball-ercovering controller that it is controlled is constituted with often open sensitive switch and five valves of above-mentioned ball-ercovering judgement device respectively in the ball-ercovering judgement device, above-mentioned five valves six～ten are the Electromagnetic Control valve.
7. according to the described transport pipe Leakage Detection of claim 4 warning device, it is characterized in that said receipts ball detection device is by the pipeline five that is communicated with filter screen, be installed in valve six and valve seven in the pipeline five, the ball-oil separator that is communicated with valve seven, the air compressor that is communicated with pipeline six with ball-oil separator, be installed in the valve eight in the pipeline six, the oil tank that is communicated with pipeline seven with ball-oil separator, be installed in the valve nine in the pipeline seven, the ball-storing device that is communicated with pipeline eight with ball-oil separator, be installed in the valve ten in the pipeline eight, be installed in the ball-ercovering judgement device that is positioned at valve ten back on the pipeline eight, be installed in often driving sensitive switch and be electrically connected and the single-chip microcomputer ball-ercovering controller that it is controlled is constituted with often open sensitive switch and five valves of above-mentioned ball-ercovering judgement device respectively in the ball-ercovering judgement device, above-mentioned five valves six～ten are the Electromagnetic Control valve.
8. according to the described transport pipe Leakage Detection of claim 5 warning device, it is characterized in that said receipts ball detection device is by the pipeline five that is communicated with filter screen, be installed in valve six and valve seven in the pipeline five, the ball-oil separator that is communicated with valve seven, the air compressor that is communicated with pipeline six with ball-oil separator, be installed in the valve eight in the pipeline six, the oil tank that is communicated with pipeline seven with ball-oil separator, be installed in the valve nine in the pipeline seven, the ball-storing device that is communicated with pipeline eight with ball-oil separator, be installed in the valve ten in the pipeline eight, be installed in the ball-ercovering judgement device that is positioned at valve ten back on the pipeline eight, be installed in often driving sensitive switch and be electrically connected and the single-chip microcomputer ball-ercovering controller that it is controlled is constituted with often open sensitive switch and five valves of above-mentioned ball-ercovering judgement device respectively in the ball-ercovering judgement device, above-mentioned five valves six～ten are the Electromagnetic Control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021100446A CN1152197C (en) | 2002-03-03 | 2002-03-03 | Oil pipe leakage automatic detection and alarm method and its equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021100446A CN1152197C (en) | 2002-03-03 | 2002-03-03 | Oil pipe leakage automatic detection and alarm method and its equipment |
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| CN1367337A CN1367337A (en) | 2002-09-04 |
| CN1152197C true CN1152197C (en) | 2004-06-02 |
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| CNB021100446A Expired - Fee Related CN1152197C (en) | 2002-03-03 | 2002-03-03 | Oil pipe leakage automatic detection and alarm method and its equipment |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101270851B (en) * | 2007-03-23 | 2012-05-30 | 中国石油天然气股份有限公司 | Reflection type liquid leakage control recoverer |
| CN101398130B (en) * | 2008-04-23 | 2012-05-30 | 深圳市凯旺电子有限公司 | Monitoring system for monitoring fluid transmission pipeline by using existing wireless network |
| CN107893909B (en) * | 2017-11-10 | 2023-09-12 | 九牧厨卫股份有限公司 | Safety water monitor and safety water monitoring method |
| CN108361558A (en) * | 2018-01-24 | 2018-08-03 | 肖香福 | A kind of real-time security detection device of petroleum pipeline |
| CN108533968B (en) * | 2018-05-09 | 2020-06-02 | 北京市燃气集团有限责任公司 | Buried gas pipeline leakage point positioning method based on tracer gas |
| CN109185713B (en) * | 2018-10-16 | 2024-03-26 | 湖南普奇地质勘探设备研究院（普通合伙) | Pressure pipeline leakage point detection positioning device and method |
| CN110131587A (en) * | 2019-04-17 | 2019-08-16 | 汉正检测技术有限公司 | A kind of pipe detection device |
| CN111707307B (en) * | 2020-05-06 | 2022-06-07 | 杭州睿疆科技有限公司 | Method, device and system for monitoring movement of pipeline material and computer equipment |
| CN113237862A (en) * | 2021-06-10 | 2021-08-10 | 丁鸿雨 | Ocean engineering crude oil pollution monitoring devices based on thing networking |
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