CN111289187A - Detection device for determining leakage position of reservoir and application method thereof - Google Patents
Detection device for determining leakage position of reservoir and application method thereof Download PDFInfo
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- CN111289187A CN111289187A CN202010137777.8A CN202010137777A CN111289187A CN 111289187 A CN111289187 A CN 111289187A CN 202010137777 A CN202010137777 A CN 202010137777A CN 111289187 A CN111289187 A CN 111289187A
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- 238000001514 detection method Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 112
- 239000000700 radioactive tracer Substances 0.000 claims abstract description 96
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000009792 diffusion process Methods 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 230000000903 blocking effect Effects 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 210000004877 mucosa Anatomy 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000007480 spreading Effects 0.000 claims 1
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 241000251468 Actinopterygii Species 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000007664 blowing Methods 0.000 abstract description 2
- 230000009182 swimming Effects 0.000 abstract description 2
- 238000012795 verification Methods 0.000 abstract description 2
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical group [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 210000005056 cell body Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000012360 testing method 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
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/0806—Details, e.g. sample holders, mounting samples for testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
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- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a detection device for determining a reservoir leakage position and a use method thereof, relating to the field of detection equipment, and the technical scheme is that the detection device comprises a control device, wherein the control device is connected with a water body closed box through a connecting piece; the water body closed box comprises a box body with an opening at the bottom, an openable box door is arranged on the box body of the water body closed box, and a throwing mechanism for throwing the tracer and an observation mechanism for observing the tracer are arranged in the water body closed box; and a sealing element capable of blocking water from entering the water body closed box is arranged along the edge of the bottom opening of the water body closed box. The invention has the beneficial effects that: the water body in a certain range can be sealed, the diffusion of the tracer agent is kept from being influenced by external factors such as fish swimming and wind blowing, and the leakage position of the detection area can be conveniently and accurately determined. The tracer concentration sensor and the high-precision camera system can accurately record the diffusion paths of the color tracer and the colorless tracer, and mutual verification is realized.
Description
Technical Field
The invention relates to the technical field of detection, in particular to a detection device for determining a reservoir leakage position and a using method thereof.
Background
Almost all reservoirs in the world have varying degrees of leakage problems. The leakage is a serious potential safety hazard caused by normal operation of the reservoir. To determine the location of reservoir leaks, a variety of detection techniques have emerged. The current popular technology comprises (1) drilling holes at the top of a potential leakage area dam for monitoring, wherein the monitoring comprises temperature, water chemistry and flow velocity and direction; (2) and putting a liquid tracer before the potential leakage area reservoir, wherein the putting of the salt or the fluorescent powder and the connection test are included. These techniques have some efficacy in delineating the larger range of the blowby area, but have significant disadvantages: (1) drilling and ship surveying are needed, and great financial resources are consumed; (2) more personnel cooperation is needed, and more manpower is wasted; (3) regular monitoring is needed, and more time is occupied; (4) various instruments and equipment are required to be matched, so that the use is inconvenient; (5) a plurality of projects and model analysis need to be tested, and data processing is complicated; (6) finally, only a large-scale leakage range can be given, and the precision is poor. In order to prevent the potential risk of the reservoir, the leakage position needs to be accurately determined and blocked in time. The invention discloses an accurate detection technology for determining the leakage position of a reservoir, which can well make up for the defects.
Disclosure of Invention
In view of the above technical problems, the present invention provides a detection device for determining a leakage position of a reservoir and a method for using the same.
The technical scheme is that the device comprises a control device, wherein the control device is connected with a water body closed box through a connecting piece;
the water body closed box comprises a box body with an opening at the bottom, an openable box door is arranged on the box body of the water body closed box, and a throwing mechanism for throwing the tracer and an observation mechanism for observing the tracer are arranged in the water body closed box;
a sealing element capable of blocking water from entering the water body closed box is arranged along the edge of the bottom opening of the water body closed box;
the control device comprises a main control module and a control panel, wherein the main control module and each component of the water body closed box form a control loop and a data feedback channel, and the control panel is electrically connected with the main control module.
Preferably, the sealing element is an annular body arranged along an opening at the bottom of the water body closed tank, and the sealing element is made of a soft mucosa material.
Preferably, the soft mucosa material can be made of viscoelastic mud as a material to form a membrane body, namely, the sealing element can be an annular body made of viscoelastic mud and arranged around the bottom of the water body closed box.
Preferably, the water body airtight box is internally provided with a moving assembly, the moving assembly comprises a wheel carrier and wheels arranged at the lower part of the wheel carrier, and a wheel carrier driving mechanism capable of folding and containing the wheel carrier is arranged in the water body airtight box.
Preferably, the wheel carrier comprises a cross bar coaxial with the wheel and a longitudinal bar vertical to the cross bar; the wheel carrier driving mechanism comprises a wheel carrier motor fixedly arranged in the water body closed box, a motor shaft of the wheel carrier motor is linked with a rotating shaft horizontally arranged in the water body closed box, and the wheel carrier motor drives the rotating shaft to rotate;
the upper part of the vertical rod is fixedly connected with the rotating shaft.
Preferably, put in the mechanism and include the casing, be provided with the storage box that is used for storing the tracer in the casing, the casing lower part is provided with the tracer and puts in the mouth, and the tracer is put in mouth department and is provided with electric valve.
Preferably, the lower part of the shell is provided with a bottom plate, the bottom plate comprises a guide plate and a rotary table, the guide plate and the rotary table are arranged at the lower part of the bottom plate, the rotary table is arranged at the upper part of the guide plate, the lower surface of the rotary table is attached to the upper side surface of the guide plate, the periphery of the rotary table is provided with a plurality of throwing ports, and each throwing port is internally provided with one; a turntable motor is arranged at the middle shaft of the turntable and is fixedly connected with the inner wall of the shell; the turntable is driven to rotate by the turntable motor.
The flow guide plate is provided with a feed opening, the position of the feed opening corresponds to the feeding opening, a flow guide groove is arranged below the feed opening, one end of the flow guide groove is arranged below the feed opening, the other end of the flow guide groove is arranged above the tracer feeding opening, and the tracer feeding opening is communicated with the end part of the flow guide groove; the guiding gutter is the slope cell body, the guiding gutter with the one end of feed opening intercommunication is high level end, the guiding gutter is provided with the tracer input port's one end extends to the casing middle part.
Preferably, the top of the storage box is provided with a one-way inlet valve, the lower part of the storage box is a discharge port for putting the tracer, and the side wall of the storage box is provided with a liquid filling port; the shell is provided with an air inlet, the inner side of the air inlet is provided with an air pump for pressurization, and the outer side of the air inlet is provided with a sealing cover.
Preferably, the tracer concentration sensor is provided with a plurality of sensors, and the sensors are arranged around the tracer input port.
Preferably, two groups of turntables and guide plates can be arranged in the shell, and two tracer throwing ports are correspondingly configured, so that comprehensive throwing of multiple different tracers can be realized.
Preferably, the observation mechanism comprises a camera and a tracer concentration sensor which are arranged inside the water body closed box, the camera is an underwater high-precision camera, and the tracer concentration sensor is arranged below the throwing mechanism.
Preferably, the box door is connected with the water body closed box through an electric telescopic rod, the fixed end of the electric telescopic rod is rotatably connected with the inside of the box body of the water body closed box, and the telescopic end of the electric telescopic rod is rotatably connected with one side, facing towards the inside of the water body closed box, of the box door.
The electric telescopic rod can select an electric, pneumatic or hydraulic push rod and the like according to actual conditions.
Preferably, the connector is a flexible connector or a rigid connector. The flexible connecting piece can be a cable connecting piece, and the rigid connecting piece can be a rod body for connection.
Preferably, when a cable-like connector is selected, a cable reel may be provided at the control device so as to receive the cable; when selecting the connecting piece of body of rod form, can choose for use the length that increases whole connecting piece with the form of a plurality of connecting rod docks, can adopt the connected form of draw-in groove and buckle between each connecting rod, conveniently realize the high-speed joint.
Preferably, the control device and the water body closed box both comprise wireless communication modules, and a main control module of the control device forms a wireless channel with each component in the water body closed box through the wireless communication modules.
Preferably, the camera is connected with the inner wall of the water body closed box through a camera support, and the camera support is an electric lifting frame.
Preferably, the control device further comprises a display, the display is connected with the control module to form a data output passage, and the control module and each component in the water body seal form a control passage and a feedback loop so that a detection person can conveniently control the whole work flow of the device and obtain a detection result through the control panel.
Preferably, the detection device for determining the leakage position of the reservoir comprises the following use methods:
s1, detecting all components of the device, enabling the device to be in an initial state, ensuring that the box door is closed, and filling the tracer in the storage box in place;
s2, conveying the device to a reservoir dam to be checked, ensuring that the movable assembly is in an unfolded state, opening a box door, and enabling the water body closed box to move downwards to a position below the liquid level of the reservoir along the surface of the dam through the movable assembly, wherein the connecting piece is ensured to be stably connected with the water body closed box and the control device in the process;
s3, after the water body airtight box moves to a first observation area, the box door is controlled to be closed through the control device, the moving assembly is changed into a storage state, the wheels are collected at the moment, the water body airtight box is attached to the surface side of the dam under the action of self weight, and the sealing element blocks interaction between the inside of the water body airtight box and an external water body;
s4, waiting for five minutes to stabilize the water in the tank, putting the tracer through the control device, putting the selected tracer into the tank, starting the observation mechanism, monitoring and routing through the camera and the tracer concentration sensor, and tracking and recording the moving path of the tracer, wherein the process is determined according to the actual situation and is about 0.5-1 hour, and the put tracer comprises a colored tracer and a colorless tracer;
s5, if the diffusion direction of the colored tracer and the colorless tracer in the water body in the box is observed to be consistent and the colored tracer and the colorless tracer are not different from the diffusion direction under the condition of no leakage in the step S4, continuing the observation;
if the diffusion directions of the two types of tracers in the water body in the tank are consistent and different from the diffusion mode under the condition of no leakage, the measurement can be stopped, the leakage and the direction of the region can be determined through the diffusion change of the tracers, and the leakage rate can be evaluated through comparison with the diffusion rate under the condition of no leakage;
and S6, after the observation of the first observation area is finished, closing each working assembly through the control device, opening the door of the box, unfolding the moving assembly, moving the water body closed box to the next observation area, and repeating the steps S3-S5.
Preferably, the movement of the water body enclosure can be achieved by changing the length of the connecting member, or by adding power to the wheels on the moving assembly, such as a motor, which drives the wheels to rotate.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: the device is a set of brand-new closed source-projecting diffusion tracing leakage detection system. It has the following characteristics: the water body sealing box can seal the water body within a certain range, keeps tracer diffusion from being influenced by external factors such as fish swimming and wind blowing, and is convenient for accurately determining whether a detection area leaks and the leakage position. And secondly, a tracer concentration sensor and a high-precision camera system which are arranged in the water body closed box can accurately record the diffusion path of the color tracer and the colorless tracer, so that mutual verification is realized. And thirdly, the tracer feeding, the sensor working and the camera opening are controlled by one management template, and the operation is simple. Fourthly, the user can change as required in the use through prefabricating the water seal box of different sizes according to the needs of self, surveys the size flexibility. And fifthly, the water body closed box, the connecting piece and the control device can be detached and are convenient to carry.
Drawings
Fig. 1 is a schematic diagram of the use principle of the embodiment of the present invention.
Fig. 2 is a schematic view of a water body closed structure according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of an outer wall of a mobile hidden box according to an embodiment of the invention.
Fig. 4 is a schematic view of an outer wall of a detection state hiding box body according to an embodiment of the invention.
Fig. 5 is a schematic view of a hidden housing of the release mechanism according to the embodiment of the present invention.
Wherein the reference numerals are: 1. a control device; 2. a connecting member; 3. a water body airtight box; 301. a box door; 302. an electric telescopic rod; 4. a feeding mechanism; 401. a housing; 402. a storage box; 403. a tracer feeding port; 404. a baffle; 405. a turntable; 406. a diversion trench; 5. an observation mechanism; 501. a camera; 502. a tracer concentration sensor; 6. a seal member; 7. a moving assembly; 71. a wheel carrier; 72. a wheel; 73. a wheel frame motor; 74. a rotating shaft.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. Of course, the specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting.
It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which are merely for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, the meaning of "a plurality" is two or more unless otherwise specified.
In the description of the invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g. as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.
Example 1
Referring to fig. 1 to 5, the present invention provides a detection apparatus for determining a reservoir leakage position, including a control device 1, wherein the control device 1 is connected with a water body closed box 3 through a connecting piece 2;
the water body closed box 3 comprises a box body with an opening at the bottom, an openable box door 301 is arranged on the box body of the water body closed box 3, and a throwing mechanism 4 for throwing the tracer and an observation mechanism 5 for observing the tracer are arranged inside the water body closed box 3;
a sealing element 6 which can prevent water from entering the water body closed box 3 is arranged along the edge of the bottom opening of the water body closed box 3;
the control device 1 comprises a main control module and a control panel, wherein the main control module and each component of the water body closed box 3 form a control loop and a data feedback channel, and the control panel is electrically connected with the main control module.
The sealing element 6 is an annular body arranged along the bottom opening of the water body closed box 3, and the sealing element 6 is made of soft mucosa material.
The soft mucosa material can be made into a membrane body by using viscoelastic mud as a material, namely the sealing element 6 can be an annular body made of viscoelastic mud and is arranged around the bottom of the water body closed box 3.
The water body closed box 3 is also internally provided with a moving assembly 7, the moving assembly 7 comprises a wheel carrier 71 and wheels 72 arranged at the lower part of the wheel carrier 71, and a wheel carrier driving mechanism capable of folding and containing the wheel carrier 71 is arranged in the water body closed box 3.
The wheel carrier 71 comprises a cross bar coaxial with the wheel 72 and a longitudinal bar perpendicular to the cross bar; the wheel frame driving mechanism comprises a wheel frame motor 73 fixedly arranged in the water body closed box 3, a motor shaft of the wheel frame motor 73 is linked with a rotating shaft 74 horizontally arranged in the water body closed box 3, and the wheel frame motor 73 drives the rotating shaft 74 to rotate;
the upper part of the vertical rod is fixedly connected with the rotating shaft 74;
when wheel carriage 71 is deployed. The wheel carrier 71 rotates towards the bottom of the water body closed box 3 until the vertical rod is in a vertical state, and in the state, the distance from the wheel bottom of the wheel 72 to the bottom opening of the water body closed box 3 is slightly larger than the longitudinal height of the sealing element 6.
The throwing mechanism 4 comprises a shell 401, a storage box 402 for storing tracer is arranged in the shell 401, a tracer throwing port 403 is arranged at the lower part of the shell 401, and an electric valve is arranged at the tracer throwing port 403.
A bottom plate is arranged at the lower part of the shell 401, the bottom plate comprises a guide plate 404 and a rotary table 405, the guide plate 404 and the rotary table 405 are arranged at the lower part of the bottom plate, the lower surface of the rotary table 405 is attached to the upper side surface of the guide plate 404, a plurality of throwing ports are formed in the circumference of the rotary table 405, and a storage box 402 is arranged in each throwing port; a turntable motor is arranged at the middle shaft of the turntable 405 and is fixedly connected with the inner wall of the shell 401; the turntable 405 is driven to rotate by a turntable motor.
A feed opening is formed in the guide plate 404, the position of the feed opening corresponds to the feeding opening, a guide groove 406 is arranged below the feed opening, one end of the guide groove 406 is arranged below the feed opening, the other end of the guide groove 406 is arranged above the tracer feeding opening 403, and the tracer feeding opening 403 is communicated with the end part of the guide groove 406; the diversion trench 406 is an inclined trench body, one end of the diversion trench 406, which is communicated with the feed opening, is a high-level end, and one end of the diversion trench 406, which is provided with the tracer feeding opening 403, extends to the middle of the shell 401.
The top of the storage box 402 is provided with a one-way inlet valve, the lower part of the storage box 402 is a discharge port for putting in the tracer, and the side wall of the storage box 402 is provided with a liquid filling port; an air inlet is formed in the housing 401, an air pump for pressurization is arranged on the inner side of the air inlet, and a sealing cover is arranged on the outer side of the air inlet. In the initial state of the apparatus, the tracer is filled in the storage box 402, and then the storage box 402 is placed in the housing 401, at this time, the inside of the housing 401 is a closed space, the inside of the housing 1 is pressurized by pumping air from the outside by the air pump, and the air inlet is closed after pressurization. When the tracer can be put in, the air pressure inside the shell 401 can extrude the tracer in the storage box 402 out, so that the tracer is ensured to be smoothly put in.
The tracer concentration sensors 502 are provided in plural numbers, and are provided around the tracer feeding port 403. Data that each sensor feedbacks back can be more comprehensive observation through being provided with a plurality of tracer concentration sensor 502, avoid single sensor to break down the feedback inaccurate, lead to the condition that the error appears in the observation result.
Two groups of turntables 405 and guide plates 404 can be arranged in the shell 401, and two tracer feeding ports 403 are correspondingly configured, so that various different tracers can be comprehensively fed.
The observation mechanism 5 comprises a camera 501 and a tracer concentration sensor 502 which are arranged inside the water body closed box 3, the camera 501 is an underwater high-precision camera, and the tracer concentration sensor 502 is arranged below the throwing mechanism 4.
From the viewpoint of environmental protection, the tracer to be adopted by the device is sodium chloride. The adopted sensor model is SJG-3083-18 type sodium chloride concentration sensor of Shanghai Bo instruments Limited. The sensor measures in the range of 0-20%.
The observation in the box body adopts a matched illumination measure by a camera, so that the common camera can realize the purpose of observing the change of the colored tracer in the box body.
The box door 301 and the water body closed box 3 are connected through an electric telescopic rod 302, the fixed end of the electric telescopic rod 302 is rotatably connected with the inside of the box body of the water body closed box 3, and the telescopic end is rotatably connected with the box door 301 towards one side of the inside of the water body closed box 3.
The electric telescopic rod 302 can be an electric, pneumatic or hydraulic push rod according to actual conditions.
The connecting piece 2 is a flexible connecting piece or a rigid connecting piece. The flexible connecting piece can be a cable connecting piece, and the rigid connecting piece can be a rod body for connection.
When a cable type connecting piece is selected, a cable reel can be arranged at the control device 1 so as to accommodate the cable; when selecting the connecting piece 2 of body of rod form, can choose for use to increase the length of whole connecting piece 2 with the form of a plurality of connecting rod docks, can adopt the connected form of draw-in groove and buckle between each connecting rod, conveniently realize the high-speed joint.
The control device 1 and the water body closed box 3 both comprise wireless communication modules, and the main control module of the control device 1 forms a wireless channel with each component inside the water body closed box 3 through the wireless communication modules.
The camera 501 is connected with the inner wall of the water body closed box 3 through a camera support, and the camera support is an electric lifting frame.
The control device 1 further comprises a display, the display is connected with the control module to form a data output passage, the control module and all components in the water body seal form a control passage and a feedback loop, so that detection personnel can conveniently control the whole work flow of the device and obtain a detection result through the control panel.
Example 2
On the basis of embodiment 1, the using method of the detection device comprises the following steps:
s1, detecting all components of the device, enabling the device to be in an initial state, ensuring that the box door 301 is closed and the tracer in the storage box 402 is filled in place;
s2, conveying the device to a reservoir dam 100 to be inspected, ensuring that the movable assembly 7 is in an unfolded state, opening the box door 301, and enabling the water body closed box 3 to move downwards along the surface of the dam to be below the liquid level of the reservoir through the movable assembly 7, wherein the connecting piece 2 is ensured to be stably connected with the water body closed box 3 and the control device 1 in the process;
s3, after the water body airtight box 3 moves to a first observation area, the control device 1 controls the box door 301 to be closed, the moving assembly 7 becomes a storage state, the wheels 72 are retracted at the moment, the water body airtight box 3 is attached to the surface side of the dam under the action of self weight, and the sealing element 6 blocks interaction between the inside of the water body airtight box 3 and an external water body;
s4, waiting for five minutes to stabilize the water in the tank, putting the tracer through the control device 1, putting the selected tracer into the tank, starting the observation mechanism 5, monitoring and tracking through the camera 501 and the tracer concentration sensor 502, and tracking and recording the moving path of the tracer, wherein the process is determined according to the actual situation and is about 0.5-1 hour, and the put tracer comprises a colored tracer and a colorless tracer;
s5, if the diffusion direction of the colored tracer and the colorless tracer in the water body in the box is observed to be consistent and the colored tracer and the colorless tracer are not different from the diffusion direction under the condition of no leakage in the step S4, continuing the observation;
if the diffusion directions of the two types of tracers in the water body in the tank are consistent and different from the diffusion mode under the condition of no leakage, the measurement can be stopped, the leakage and the direction of the region can be determined through the diffusion change of the tracers, and the leakage rate can be evaluated through comparison with the diffusion rate under the condition of no leakage;
s6, after the observation of the first observation area is finished, the control device 1 closes each working component, the door 302 is opened, the moving component 7 is unfolded, the water body closed box 3 is moved to the next observation area, and then the steps S3-S5 are repeated.
Example 3
On the basis of embodiment 1, the movement of the water body closed box 3 can be realized by changing the length of the connecting piece 6, and the water body closed box moves downwards along the side slope of the dam by means of the dead weight of the device.
Or the wheel 72 can be powered on the moving assembly 7, such as a motor, and the wheel 72 can be driven to rotate by the motor.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A detection device for determining the leakage position of a reservoir is characterized by comprising a control device (1), wherein the control device (1) is connected with a water body closed box (3) through a connecting piece (2);
the water body airtight box (3) comprises a box body with an opening at the bottom, an openable box door (301) is arranged on the box body of the water body airtight box (3), and a throwing mechanism (4) for throwing the tracer and an observation mechanism (5) for observing the tracer are arranged inside the water body airtight box (3);
a sealing element (6) capable of blocking water from entering the water body closed box (3) is arranged along the edge of the bottom opening of the water body closed box (3);
the control device (1) comprises a main control module and a control panel, wherein the main control module and the components of the water body closed box (3) form a control loop and a data feedback channel, and the control panel is electrically connected with the main control module.
2. The detection apparatus for determining the seepage position of a reservoir according to claim 1, wherein the sealing member (6) is an annular body arranged along the bottom opening of the water body enclosure (3), and the sealing member (6) is made of a soft mucosa material.
3. The detection apparatus for determining the leakage position of the reservoir according to claim 2, wherein a moving component (7) is further disposed inside the water body enclosure (3), the moving component (7) comprises a wheel carrier (71) and wheels (72) disposed at a lower portion of the wheel carrier (71), and a wheel carrier driving mechanism for folding and storing the wheel carrier (71) is disposed inside the water body enclosure (3).
4. The detection apparatus for determining the location of a reservoir leak according to claim 3, wherein the wheel carriage (71) comprises a cross bar coaxial with the wheel (72), and a longitudinal bar perpendicular to the cross bar; the wheel carrier driving mechanism comprises a wheel carrier motor (73) fixedly arranged in the water body closed box (3), a motor shaft of the wheel carrier motor (73) is linked with a rotating shaft (74) horizontally arranged in the water body closed box (3), and the wheel carrier motor (73) drives the rotating shaft (74) to rotate;
the upper part of the vertical rod is fixedly connected with a rotating shaft (74).
5. The detection apparatus for determining the seepage position of a reservoir according to claim 1, wherein the release mechanism (4) comprises a housing (401), a storage box (402) for storing the tracer is arranged in the housing (401), a tracer release opening (403) is arranged at the lower part of the housing (401), and an electric valve is arranged at the tracer release opening (403).
6. The detection device for determining the seepage position of the reservoir according to claim 5, wherein a bottom plate is arranged at the lower part of the shell (401), the bottom plate comprises a guide plate (404) and a rotary disc (405) which are arranged at the lower part, the rotary disc (405) is arranged at the upper part of the guide plate, the lower surface of the rotary disc (405) is attached to the upper side surface of the guide plate (404), a plurality of throwing ports are formed in the circumference of the rotary disc (405), and one storage box (402) is arranged in each throwing port; a turntable motor is arranged at the middle shaft of the turntable (405), and is fixedly connected with the inner wall of the shell (401); the turntable (405) is driven to rotate by a turntable motor;
a feed opening is formed in the guide plate (404), the position of the feed opening corresponds to the feeding opening, a guide groove (406) is arranged below the feed opening, one end of the guide groove (406) is arranged below the feed opening, the other end of the guide groove (406) is arranged above the tracer feeding opening (403), and the tracer feeding opening (403) is communicated with the end part of the guide groove (406); the diversion trench (406) is an inclined trench body, the diversion trench (406) is a high-level end with one end communicated with the feed opening, and one end of the diversion trench (406) provided with the tracer feeding opening (403) extends to the middle part of the shell (401).
7. The detection apparatus for determining the location of a reservoir leak as defined in claim 1, wherein the observation means (5) comprises a camera (501) and a tracer concentration sensor (502) arranged inside the water containment (3), the tracer concentration sensor (502) being arranged below the launching means (4).
8. The detection device for determining the leakage position of the reservoir according to claim 1, wherein the box door (301) is connected with the water body airtight box (3) through an electric telescopic rod (302), a fixed end of the electric telescopic rod (302) is rotatably connected with the inside of the water body airtight box (3), and a telescopic end is rotatably connected with one side of the box door (301) facing the inside of the water body airtight box (3).
9. The detection device for determining the seepage location of a reservoir according to claim 3, wherein said connection member (2) is a flexible connection member or a rigid connection member.
10. The detection device for determining the seepage location of a reservoir according to any of claims 1 to 9, wherein the method of use is:
s1, detecting all components of the device, enabling the device to be in an initial state, ensuring that the box door (301) is closed, and filling the tracer in the storage box (402) in place;
s2, conveying the device to a reservoir dam (100) to be inspected, ensuring that the moving assembly (7) is in a spreading state, opening the box door (301), and enabling the water body airtight box (3) to move downwards to the position below the liquid level of the reservoir along the surface of the dam through the moving assembly (7), wherein the connecting piece (2) is ensured to be stably connected with the water body airtight box (3) and the control device (1) in the process;
s3, after the water body airtight box (3) moves to a first observation area, the control box door (301) is controlled to be closed through the control device (1), the moving assembly (7) becomes a storage state, the wheels (72) are retracted at the moment, the water body airtight box (3) is attached to the surface side of the dam under the action of self weight, and the sealing element (6) blocks interaction between the inside of the water body airtight box (3) and an external water body;
s4, waiting for a period of time, stabilizing the water in the tank, putting the tracer through the control device (1), putting the selected tracer into the tank, starting the observation mechanism (5), monitoring and recording the moving path of the tracer through the camera (501) and the tracer concentration sensor (502), and tracking and recording the moving path of the tracer, wherein the process is about 0.5-1 hour, and the put tracer comprises a colored tracer and a colorless tracer;
s5, if the diffusion direction of the colored tracer and the colorless tracer in the water body in the box is observed to be consistent and the colored tracer and the colorless tracer are not different from the diffusion direction under the condition of no leakage in the step S4, continuing the observation;
if the diffusion directions of the two types of tracers in the water body in the tank are consistent and different from the diffusion mode under the condition of no leakage, the measurement can be stopped, the leakage and the direction of the region can be determined through the diffusion change of the tracers, and the leakage rate can be evaluated through comparison with the diffusion rate under the condition of no leakage;
s6, after the observation of the first observation area is finished, the control device (1) closes each working assembly, the door (302) is opened, the moving assembly (7) is unfolded, the water body closed box (3) is moved to the next observation area, and then the steps S3-S5 are repeated.
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| CN117405306A (en) * | 2023-12-12 | 2024-01-16 | 华东交通大学 | Leakage detection device of underground structure |
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