CN110294231A - It is a kind of for detecting the device and method of tank bottom oil leak - Google Patents
It is a kind of for detecting the device and method of tank bottom oil leak Download PDFInfo
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- CN110294231A CN110294231A CN201910417106.4A CN201910417106A CN110294231A CN 110294231 A CN110294231 A CN 110294231A CN 201910417106 A CN201910417106 A CN 201910417106A CN 110294231 A CN110294231 A CN 110294231A
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- oil
- conduit
- tank
- leakage layer
- sensor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/48—Arrangements of indicating or measuring devices
- B65D90/50—Arrangements of indicating or measuring devices of leakage-indicating devices
- B65D90/51—Arrangements of indicating or measuring devices of leakage-indicating devices characterised by sensors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Examining Or Testing Airtightness (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
The invention discloses a kind of for detecting the device of tank bottom oil leak, it include: anti-leakage layer, in its tank base for being set to tank bottom and it is located at tank bottom underface, anti-leakage layer is the oil sump of a concave in two sides height, intermediate low incline structure, and in the middle part of anti-leakage layer；Well is detected, the ground surface apart from tank base certain distance or less is set to；Feel oil sensor, be installed in detection well with floating drum binding, and be preset in bottom in detection well, sense oil sensor is connect by cable with the control warning device outside storage tank；Conduit, inclined structure, the high side of conduit are connected to oil-collecting bottom of pond portion, and the low side of conduit is connected to detection bottom.The invention also discloses a kind of methods for detecting tank bottom oil leak.The invention has the benefit that realizing the real-time detection alarming of tank bottom leakage, detecting tank bottom oil leak, alarm velocity is more timely, accuracy rate is higher, improves storage tank and periphery personnel and property safety.
Description
Technical field
The present invention relates to pipe-line system technical fields, in particular to one kind for detecting tank bottom oil leak
Device and method.
Background technique
During conduit running, due to tank bottom burn into construction quality, fault in material and foundation crack etc., cause
Make tank bottom oil leak, finally ferment into safety and environmental pollution accident, it is very big unfavorable to cause to society and enterprise
It influences, more the security of the lives and property to the people around tank field, which is brought, seriously threatens.If grasping tank bottom not in time
The relevant informations such as whether leak, handled in time, will lead to damage sequence and constantly aggravate, causes serious environmental pollution and again
The big person and property loss.
For tank bottom oil leak, previous engineering can not carry out leakage monitoring, can not find leakage problem in time, lead
Cause only when there are the major accidents such as the observable leakage oil product of human eye and pollution, could find relevant issues.
Summary of the invention
To solve the above problems, the purpose of the present invention is to provide a kind of for detecting the dress of tank bottom oil leak
Set, realize tank bottom leakage real-time detection alarming, make tank bottom oil leak detection alarm velocity more in time, accuracy rate
It is higher, improve storage tank and periphery personnel and property safety.
The present invention provides a kind of for detecting the device of tank bottom oil leak, comprising:
Anti-leakage layer is set in the tank base of tank bottom and is located at immediately below the tank bottom, the antiseepage
The incline structure that drop ply is high in two sides, centre is low, and be the oil sump of a concave in the middle part of the anti-leakage layer；
Well is detected, the ground surface apart from the tank base certain distance or less is set to；
Feel oil sensor, is installed in the detection well with floating drum binding, and be preset in bottom in the detection well, institute
Sense oil sensor is stated to connect by cable with the control warning device outside the storage tank；
Conduit, inclined structure, the high side of the conduit are connected to the oil-collecting bottom of pond portion, the conduit it is low one
Side is connected to the detection bottom.
As further improvement of the invention, the gradient of the anti-leakage layer is at least 3 ‰.
As further improvement of the invention, the gradient of the conduit is at least 3 ‰.
Improved as of the invention further, the junction of the conduit and the oil sump and the conduit with it is described
Detect the equal encapsulation process in junction of well.
As further improvement of the invention, the inner surface and the outer surface of the oil sump and the detection well is respectively provided with
Anti-leakage layer.
As further improvement of the invention, anti-leakage layer uses HDPE film.
The present invention also provides a kind of methods for detecting tank bottom oil leak, comprising the following steps:
Step 1, the tank base construction of tank bottom, is laid with anti-in the tank base and immediately below the tank bottom
Seepage floor, the incline structure that the anti-leakage layer is high in two sides, centre is low, and a concave will be formed in the middle part of the anti-leakage layer
Oil sump；
Step 2, detection well construction is carried out below the ground surface apart from the tank base certain distance, oil sensor will be felt
With floating drum binding be installed on outside the storage tank detection well in bottom, and by the sense oil sensor pass through cable with it is described
Control warning device connection outside storage tank；
Step 3, the high side of the conduit of inclined structure is connected to the oil-collecting bottom of pond portion, the conduit passes through described
After tank base, the low side of the conduit is connected to the detection bottom；
Step 4, after the storage tank being installed on the tank base, the control warning device is opened, in the control
Alarm threshold value and sampling time are set on warning device；
Step 5, the control warning device timing acquiring once feels the electric signal of oil sensor, and calculates；
Step 6, when the electric signal of the sense oil sensor feedback reaches the alarm threshold value of setting, the control alarm dress
It sets the time tag of record sampling and starts timing program；
Step 7, when timing program reaches the sampling time of setting, and the electric signal of the sense oil sensor feedback is still
When reaching the alarm threshold value of setting, the control warning device triggering is alarmed and is shown, otherwise returns to step 5.
Improved as of the invention further, in step 1 and 2, the oil sump and the detection well inner surface and
Anti-leakage layer is laid in outer surface.
It is improved as of the invention further, in step 3, in the junction of the conduit and the oil sump and described
The junction of conduit and the detection well is sealed processing, it is ensured that oil product is non-leakage.
It is further improved as of the invention, in step 5, when tank bottom has oil leak, oil product passes through described anti-
The gradient downslide of seepage floor is collected into the oil sump, and the oil product in the oil sump is imported into described by the conduit
It detects in well, when oil product reaches a certain level, the sense oil sensor is suspended in oil product under the drive of the floating drum；
When the sense oil sensor touches oil product, oil product enter the sense oil sensor after cause sensor housing with
The variation of capacitance between induction electrode, and be curent change by this change transitions, the control warning device will receive
Current changing signal is compared with preset alarm threshold value.
The invention has the benefit that
Sense oil sensor is applied to storage aiming at the problem that existing storage tank can not carry out oil leak detection alarm by the present invention
Pot bottom realizes the alarm of tank bottom leak detection, improves storage tank integrality and operational safety, make tank bottom leak detection more
Tend to be practical, reduces equipment investment and operating expenses.
Detailed description of the invention
Fig. 1 is a kind of for detecting the structural representation of the device of tank bottom oil leak described in the embodiment of the present invention
Figure.
In figure,
1, storage tank；2, anti-leakage layer；3, oil sump；4, conduit；5, tank base；6, well is detected；7, floating drum；8, sense oil sensing
Device；9, cable.
Specific embodiment
The present invention is described in further detail below by specific embodiment and in conjunction with attached drawing.
Embodiment 1 is wrapped as shown in Figure 1, the embodiment of the present invention is a kind of for detecting the device of tank bottom oil leak
It includes: storage tank 1, anti-leakage layer 2, oil sump 3, conduit 4, tank base 5, detection well 6, floating drum 7, sense oil sensor 8, cable 9 and control
Warning device processed.
Anti-leakage layer 2 is set in the tank base 5 of 1 bottom of storage tank and is located at immediately below 1 bottom of storage tank, and anti-leakage layer 2 is in
The incline structure that two sides are high, centre is low, and be the oil sump 3 of a concave in the middle part of anti-leakage layer 2.The gradient of anti-leakage layer 2 is at least
Be 3 ‰, be arranged this gradient conducive to oil product take advantage of a situation and it is lower enter oil sump 3 in mobile phone.The material of oil sump 3 should be able to media-resistant corruption
Erosion.In addition, oil sump 3 should do antiseepage drain process, it is respectively provided with anti-leakage layer in the inner surface and the outer surface of oil sump 3, prevents oil
Product leak from oil sump 3.All anti-leakage layers can use HDPE film, have good antiseptic property, electrical property, moisture-proof
Performance, leakage performance, tensile strength are high.
Detection well 6 is set to the ground surface apart from 5 certain distance of tank base or less.Setting detection well 6, on the one hand convenient for peace
Dress sense oil sensor 8, is on the other hand conveniently replaceable sense oil sensor 8.To prevent oil product from detection Jing6Chu leakage, detection well 6 is answered
Antiseep and rain-proof water process are done, is respectively provided with anti-leakage layer in the inner surface and the outer surface of detection well 6, which can adopt
Use HDPE film.
Sense oil sensor 8 and the binding of floating drum 7 are installed in detection well 6, and are preset in bottom in detection well 6, feel oil sensing
Device 8 is connect by cable 9 with the control warning device outside storage tank 1.Sense oil sensor 8 should be the biography sensitive to the medium of storage tank
Sensor, such as fuel level sensor.Floating drum 7 is process by blow molding process, and on pasta, it uses tough macromolecule for floatability
The materials such as polyethylene are made, and have that good shock resistance is destructive, can anti-oil corrosion, can using polyurethane foamed material, altogether
Geopolymer foam material or composite foam material.When detecting in well 6 by oil, 7 dynamic oil sensor 8 of floating drum suspends in the oil,
When sense oil sensor 8 touches oil product, oil product causes electricity between sensor housing and induction electrode after entering sense oil sensor 8
The variation of capacity, and be curent change, the current signal that control warning device can be changed with real-time reception by this change transitions.?
After alarm, detection well 6 oil sensor 8 of replacement sense in time can be passed through.
The inclined structure of conduit 4, the high side of conduit 4 are connected to 3 bottom of oil sump, the low side of conduit 4 and detection well 6
Bottom connection.The gradient of conduit 4 is at least 3 ‰, takes advantage of a situation conducive to the oil product in oil sump 3 into inside detection well 6.Conduit 4
Material should be able to media-resistant corrosion.To avoid the connection of conduit 4 from leading to the leakage of oil product, by the junction of conduit 4 and oil sump 3 with
And the equal encapsulation process in junction of conduit 4 and detection well 6.
It is of the invention for detecting the testing principle of the device of tank bottom oil leak are as follows: when in storage tank 1 filled with oil product
When, if corrosion failure occurs for some place of storage tank bottom plate or rupture leaks out at this point, will have oil product to leak out in the point
Oil product be pooled in the oil sump 3 of bottom centre along with acclive anti-leakage layer 2, then, by being led with acclive
Pipe 4 imports oil product in detection well 6, and 7 dynamic oil sensor 8 of floating drum suspends in the oil, and oil product touches default in detection well
On the sense oil sensor 8 of pot bottom, oil product causes capacitor between sensor housing and induction electrode after entering sense oil sensor 8
The variation of amount, and by this change transitions be curent change, control warning device receive variation electric signal, with preset threshold value into
Row compares, and alarm is issued when reaching given threshold.Using this feature, can judge storage tank bottom plate whether corrosion failure or broken
It splits.
Embodiment 2, a method of for detecting tank bottom oil leak, comprising the following steps:
Step 1, the tank base 5 of 1 bottom of storage tank is constructed, and is laid with antiseep in tank base 5 and immediately below 1 bottom of storage tank
Layer 2, the incline structure that anti-leakage layer 2 is high in two sides, centre is low, and the oil sump 3 for a concave being formed in the middle part of anti-leakage layer 2.
The gradient of anti-leakage layer 2 is at least 3 ‰, be arranged this gradient conducive to oil product take advantage of a situation and it is lower enter oil sump 3 in mobile phone.
The material of oil sump 3 should be able to media-resistant corrosion.In addition, oil sump 3 should do antiseepage drain process, in the inner surface of oil sump 3 and outer
Surface is respectively provided with anti-leakage layer, prevents oil product from leaking from oil sump 3.All anti-leakage layers can use HDPE film, have
Good antiseptic property, electrical property, humidity resistance, leakage performance, tensile strength are high.
Step 2, detection well 6 is carried out below the ground surface apart from 5 certain distance of tank base to construct, and will feel oil sensor 8
The bottom in the detection well 6 being installed on outside storage tank 1 is bound with floating drum 7, and sense oil sensor 8 is passed through outside cable 9 and storage tank 1
The control warning device in portion connects.Feel oil sensor 8 and the binding of floating drum 7 is installed, and ensures to feel oil sensor 8 in the work of floating drum 7
With in lower energy suspended oil.
Detection well 6 is set to the ground surface apart from 5 certain distance of tank base or less.Setting detection well 6, on the one hand convenient for peace
Dress sense oil sensor 8, is on the other hand conveniently replaceable sense oil sensor 8.To prevent oil product from detection Jing6Chu leakage, detection well 6 is answered
Antiseep and rain-proof water process are done, is respectively provided with anti-leakage layer in the inner surface and the outer surface of detection well 6, which can adopt
Use HDPE film.Sense oil sensor 8 should be the sensor sensitive to the medium of storage tank, such as fuel level sensor.It, can be with after alarm
Pass through detection well 6 oil sensor 8 of replacement sense in time.
Step 3, the high side of the conduit 4 of inclined structure is connected to 3 bottom of oil sump, conduit 4 passes through tank base 5
Afterwards, the low side of conduit 4 is connected to detection 6 bottom of well.
The inclined structure of conduit 4, the high side of conduit 4 are connected to 3 bottom of oil sump, the low side of conduit 4 and detection well 6
Bottom connection.The gradient of conduit 4 is at least 3 ‰, takes advantage of a situation conducive to the oil product in oil sump 3 into inside detection well 6.Conduit 4
Material should be able to media-resistant corrosion.To avoid the connection of conduit 4 from leading to the leakage of oil product, by the junction of conduit 4 and oil sump 3 with
And the equal encapsulation process in junction of conduit 4 and detection well 6.
Step 4, after storage tank 1 being installed on tank base 5, control warning device is opened, is arranged on control warning device
Alarm threshold value and sampling time.
Step 5, control warning device timing acquiring once feels the electric signal of oil sensor 8, and calculates.
When oil leak is arranged at 1 bottom of storage tank, oil product is collected into oil sump 3 by the gradient downslide of anti-leakage layer 2,
Oil product in oil sump 3 is imported into detection well 6 by conduit 4, and when oil product reaches a certain level, sense oil sensor 8 is floating
It is suspended in oil product under the drive of cylinder 7；When sense oil sensor 8 touches oil product, oil product causes to pass after entering sense oil sensor 8
The variation of capacitance between sensor shell and induction electrode, and be curent change by this change transitions, control warning device will connect
The current changing signal received is compared with preset alarm threshold value.
Step 6, when the electric signal for feeling the feedback of oil sensor 8 reaches the alarm threshold value of setting, control warning device record
The time tag of sampling simultaneously starts timing program.
Step 7, when timing program reaches the sampling time of setting, and feel the electric signal that oil sensor 8 is fed back and still reach to
To setting alarm threshold value when, control warning device triggering alarm simultaneously show, otherwise return to step 5.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of for detecting the device of tank bottom oil leak characterized by comprising
Anti-leakage layer (2) is set in the tank base (5) of storage tank (1) bottom and is located at immediately below the storage tank (1) bottom,
The incline structure that the anti-leakage layer (2) is high in two sides, centre is low, and be the oil-collecting of a concave in the middle part of the anti-leakage layer (2)
Pond (3)；
It detects well (6), is set to the ground surface apart from the tank base (5) certain distance or less；
Feel oil sensor (8), is installed in the detection well (6) with floating drum (7) binding, and be preset in the detection well (6)
Interior bottom, sense oil sensor (8) are connect by cable (9) control warning device external with the storage tank (1)；
Conduit (4), inclined structure, the high side of the conduit (4) are connected to the oil sump (3) bottom, the conduit
(4) low side is connected to detection well (6) bottom.
2. the apparatus according to claim 1, which is characterized in that the gradient of the anti-leakage layer (2) is at least 3 ‰.
3. the apparatus according to claim 1, which is characterized in that the gradient of the conduit (4) is at least 3 ‰.
4. the apparatus according to claim 1, which is characterized in that the junction of the conduit (4) and the oil sump (3) with
And the equal encapsulation process in junction of the conduit (4) and detection well (6).
5. the apparatus according to claim 1, which is characterized in that the interior table of the oil sump (3) and detection well (6)
Face and outer surface are respectively provided with anti-leakage layer.
6. device according to claim 5, which is characterized in that anti-leakage layer uses HDPE film.
7. a kind of method for detecting tank bottom oil leak, which comprises the following steps:
Step 1, tank base (5) construction of storage tank (1) bottom, in the tank base (5) and the storage tank (1) bottom just under
Side is laid with anti-leakage layer (2), and the anti-leakage layer (2) is high in two sides, intermediate low incline structure, and by the anti-leakage layer
(2) middle part forms the oil sump (3) of a concave；
Step 2, detection well (6) construction is carried out below the ground surface apart from the tank base (5) certain distance, by sense oil sensing
Device (8) and floating drum (7) binding are installed on the bottom in the external detection well (6) of the storage tank (1), and by the sense oil sensor
(8) it is connect by cable (9) control warning device external with the storage tank (1)；
Step 3, the high side of the conduit (4) of inclined structure is connected to the oil sump (3) bottom, the conduit (4) is worn
After crossing the tank base (5), the low side of the conduit (4) is connected to detection well (6) bottom；
Step 4, after the storage tank (1) being installed on the tank base (5), the control warning device is opened, in the control
Alarm threshold value and sampling time are set on warning device processed；
Step 5, the control warning device timing acquiring once feels the electric signal of oil sensor (8), and calculates；
Step 6, when the electric signal of sense oil sensor (8) feedback reaches the alarm threshold value of setting, the control alarm dress
It sets the time tag of record sampling and starts timing program；
Step 7, when timing program reaches the sampling time of setting, and the electric signal of sense oil sensor (8) feedback is still
When reaching the alarm threshold value of setting, the control warning device triggering is alarmed and is shown, otherwise returns to step 5.
8. the method according to the description of claim 7 is characterized in that in step 1 and 2, in the oil sump (3) and the detection
The inner surface and the outer surface of well (6) lays anti-leakage layer.
9. the method according to the description of claim 7 is characterized in that in step 3, in the conduit (4) and the oil sump (3)
Junction and the conduit (4) and it is described detection well (6) junction be sealed processing, it is ensured that oil product is non-leakage.
10. the method according to the description of claim 7 is characterized in that in step 5, when oil leak is arranged at storage tank (1) bottom,
Oil product is collected into the oil sump (3) by the gradient downslide of the anti-leakage layer (2), the oil in the oil sump (3)
Product are imported into the detection well (6) by the conduit (4), when oil product reaches a certain level, the sense oil sensor (8)
It is suspended in oil product under the drive of the floating drum (7)；
When the sense oil sensor (8) touches oil product, oil product causes sensor housing after entering the sense oil sensor (8)
The variation of capacitance between induction electrode, and be curent change by this change transitions, the control warning device will receive
Current changing signal be compared with preset alarm threshold value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910417106.4A CN110294231A (en) | 2019-05-20 | 2019-05-20 | It is a kind of for detecting the device and method of tank bottom oil leak |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910417106.4A CN110294231A (en) | 2019-05-20 | 2019-05-20 | It is a kind of for detecting the device and method of tank bottom oil leak |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110294231A true CN110294231A (en) | 2019-10-01 |
Family
ID=68026847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910417106.4A Pending CN110294231A (en) | 2019-05-20 | 2019-05-20 | It is a kind of for detecting the device and method of tank bottom oil leak |
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| CN (1) | CN110294231A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884246A (en) * | 2021-10-22 | 2022-01-04 | 大昌建设集团有限公司 | Anti-seepage monitoring system for oil depot tank field building |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2088532U (en) * | 1991-03-07 | 1991-11-13 | 罗万春 | Detector for oil tank leakage |
| JP2000179800A (en) * | 1998-12-14 | 2000-06-27 | Ntt Power & Building Facilities Inc | Engine generating facility |
| CN108569490A (en) * | 2017-03-08 | 2018-09-25 | 中国人民解放军后勤工程学院 | Oil depot tank bottom oil leak on-line measuring device |
| CN207973062U (en) * | 2018-02-12 | 2018-10-16 | 中国恩菲工程技术有限公司 | The seepage control system of buried horizontal tank |
| CN210175664U (en) * | 2019-05-20 | 2020-03-24 | 中国石油天然气集团有限公司 | Device for detecting oil leakage at bottom of storage tank |
-
2019
- 2019-05-20 CN CN201910417106.4A patent/CN110294231A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2088532U (en) * | 1991-03-07 | 1991-11-13 | 罗万春 | Detector for oil tank leakage |
| JP2000179800A (en) * | 1998-12-14 | 2000-06-27 | Ntt Power & Building Facilities Inc | Engine generating facility |
| CN108569490A (en) * | 2017-03-08 | 2018-09-25 | 中国人民解放军后勤工程学院 | Oil depot tank bottom oil leak on-line measuring device |
| CN207973062U (en) * | 2018-02-12 | 2018-10-16 | 中国恩菲工程技术有限公司 | The seepage control system of buried horizontal tank |
| CN210175664U (en) * | 2019-05-20 | 2020-03-24 | 中国石油天然气集团有限公司 | Device for detecting oil leakage at bottom of storage tank |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884246A (en) * | 2021-10-22 | 2022-01-04 | 大昌建设集团有限公司 | Anti-seepage monitoring system for oil depot tank field building |
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