CN106323591A - Observing device and method for filler changing process at different water flow velocities - Google Patents
Observing device and method for filler changing process at different water flow velocities Download PDFInfo
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- CN106323591A CN106323591A CN201610815377.1A CN201610815377A CN106323591A CN 106323591 A CN106323591 A CN 106323591A CN 201610815377 A CN201610815377 A CN 201610815377A CN 106323591 A CN106323591 A CN 106323591A
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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
- G01M10/00—Hydrodynamic testing; Arrangements in or on ship-testing tanks or water tunnels
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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Abstract
The invention relates to an observing device and method for filler changing process at different water flow velocities. The filler changing process observing device is constituted by a testing water pipe, a current speed adjusting device, a flowmeter, a detachable transparent observing device, and a high-speed camera. During testing, the current speed adjusting device disposed on a water inlet in a testing device is used to adjust the current speeds. The anemometer is used to acquire the current speeds in a real-time manner, and is used to record current speed information by a data connecting line, and the recorded current speed information is displayed on a current flow display. The detachable transparent observing device is made of high strength transparent tempered glass, and then real-time observation of inside filler changing information is realized. Fillers having a certain particle grading composition are disposed in a filling area in a filled manner, and a permeable clapboard is used as the left wall of the filling area. Under action of waterpower scouring and a screen, the fillers are moved, and the automatic particle diameter grading of the fillers is carried out, and then the high speed camera is used for whole process recording, and inside information is acquired in a real-time manner. The screen is connected with a current speed sensing device, and the real-time current speed changing is displayed on a current speed sensing receiving device.
Description
Technical field
The present invention relates to a kind of charges change procedure observation device and method, especially a kind of for unsteady flow speed retrofilling
The device and method of thing change procedure real-time monitored.
Background technology
Tunnel (hole) and underground engineering are the main projects that the national basis facilities engineering such as traffic, water conservancy and hydropower is built,
Relate to many engineering fields such as highway, railway, water power, distruting water transregionally and mine resource exploitation.In particular with section of country
The progressively enforcement of skill strategic development planning, traffic network is expanded to the western depth spreading all over high and steep mountains.But, constructing tunnel mistake
The water bursting factor disaster met with in journey is extremely serious, and the research of the Dynamic Evolution of its complexity is to control disaster occur and administer
The effective way of disaster.Scientist passes through various research meanses to the water bursting factor encountered in the construction process of underground
Disaster is studied, but is difficult to observe the situation of change of charges in karst in Practical Project, and experiment becomes observation
The effective means of charges change.
Packed type karst dash forward the simulation of retention of excessive fluid process physical good and bad it is crucial that can be real-time observe that charges exist
Situation of change under flow action.The instrument being presently used for observing karst charges change procedure is less, pilot system
Visual poor, there is bigger difficulty in the situation of change of real-time monitored charges.Existing part scientist attempts to pass through
Simulate transparent analog material and carry out observation experiment process, but analog material can not embody the character of charges completely, test
The reliability of result is substantially reduced.On the other hand, corresponding analog and method need maturation.
Summary of the invention
It is an object of the invention to as overcoming above-mentioned existing packed type karst type to dash forward the deficiency of retention of excessive fluid process simulation technology,
A kind of transparent visual observation device and method are provided.This device water velocity scalable, can meet and fill under different water velocity
Fill out the research of thing situation of change.Carry High-speed Photography Technology and carry out real time information acquisition, be conducive to improving dividing of result of the test
Analysis property, improves the accuracy of experimental study；The automatic grain size grading of charges and flow velocity real-time monitoring device, it is ensured that process of the test
The measurability of each particle diameter charges quality, and the flow velocity of fluid flows through strainer.
For achieving the above object, the present invention uses following technical proposals:
A kind of for different water velocity retrofilling thing situation of change observation devices, including test water pipe, described test
One end of water pipe is water inlet, and the other end is outlet, is provided with water velocity adjusting means at test water pipe water inlet, in examination
It is provided with one section of packing area in testing water pipe, along water flow direction, before packing area, is provided with water-stop sheet, after packing area
Being interval with the screen cloth of different-grain diameter, under the sluicing filtration with screen cloth, the charges of packing area are migrated and oneself
Kinetochore radial sector, observes different water velocity retrofilling thing change feelings by flow rate adjustment device regulation water velocity simultaneously
Condition.
Further, the outside of described packing area is provided with video camera, and whole process is carried out record.
During test, water enters inside test water pipe through water inlet, and the speed installed by test water pipe water inlet is adjusted
Regulating device can regulate water velocity size.The current meter being arranged on test water pipe sidewall can be real-time get current
Speed, is shown flow rate information on flow velocity display by data connecting line.Dismountable transparent observation device, installs high saturating
The safety glass top board of lightness, left field is the packing area equipped with permeable dividing plate, according to draw-in groove reserved on test water pipe sidewall
Arranging the screen cloth of three layers of different-grain diameter, screen cloth connects flow-velocity sensing and receives device.Under sluicing with screen cloth effect, charges
Migration and automatically grain size grading, realized overall process record by high-speed camera, and internal information can obtain in real time.Screen cloth connects
Flow-velocity sensing receive device, can be real-time the change of flow velocity show flow-velocity sensing reception device on.Adjusted by flow velocity
Regulating device i.e. can reach the purpose of the different water velocity retrofilling thing situation of change of observation.
Described water velocity adjusting means, utilizes bolt to be fastened on the rear of water inlet, it is achieved big to water velocity
Little regulation.
Further, the sidewall of test water pipe is also equipped with current meter, it is possible to monitor change in flow in real time, and lead to
Cross data connecting line flow rate information to be transferred on flow velocity display.
Further, described test water pipe wherein one section be transparent observation device, it is arranged in the middle part of water pipe, can basis
Test demand carries out organizing test more, and observation device is designed as Demountable combined-type, it is simple to changes different charges and tests,
Substantially increase efficiency and the operability of test；Transparent observation device selects the safety glass of the high grade of transparency to make, and utilizes anti-
Water-stop design is fixed on model water pipe, can the inside charges situation of change of direct observation device.
The charges rear of described transparent observation device is furnished with three different-grain diameter screen clothes, and aperture is respectively 2mm, 5mm,
8mm, keeps the distance of 150mm, directly observes particle migration situation within being respectively placed in the certain distance at rear, material sections.
Described three different-grain diameter screen clothes, are connected respectively to flow-velocity sensing and receive on device, and real-time acquisition fluid passes through
The change of flow velocity after implant.
High-speed camera is fixed in the both sides of described transparent observation device, and whole process of the test charges are transported by high-speed camera
Shifting overall process carries out record, high-speed camera and flow-velocity sensing reception device and is connected to computer system, divides through data compilation
Analysis, reproduces different water velocity retrofilling thing situation of change completely for the analysis to charges change procedure.
A kind of test method of real-time monitored charges transport conditions experimental provision under unsteady flow speed, including following step
Rapid:
(1) detachable transparent observation device is assembled,
Fill the charges of certain granules grating standard in the packing area of test water pipe, the screen cloth of different-grain diameter is installed, by
High-strength transparence safety glass waterproof sealing covers packing area, completes transparent observation device and installs；
(2) flow rate adjustment device, current meter, flow velocity display and high-speed camera are installed；
(3) open water inlet, treat that fluid is full of the left field of transparent observation device, regulate flow rate adjustment device, observe
Flow velocity display；Treat that water flow velocity is stable to open high-speed camera carry out captured in real-time in target flow rate value, open flow velocity simultaneously and pass
Sense receives device, and acquisition data are reached computer system；
(4), when the water velocity when between screen cloth tends towards stability, close water inlet, pull down transparent observation device, weigh respectively
The quality of charges in mesh spans, record data are uploaded computer system and are analyzed together with step (2) data；
(5) regulating the different in flow rate of flow rate adjustment device, change variable grain grating charges, repeat the above steps is carried out
Test.
The present invention solves the problem that different water velocity retrofilling thing situation of change is difficult to observe, it is achieved that water velocity
Scalable, charges different-grain diameter is individually studied its migration rule, is had the advantage that
1, the water velocity adjusting means of pilot system, by tune to water velocity of the control realization of flow rate regulating valve
Joint, desired flow velocity in being tested.
2, the transparent observation device of pilot system is designed as Demountable combined-type, facilitates filler work, improves test
Efficiency and operability.
3, observation device selects the safety glass of the high grade of transparency, can the internal information of direct observation device.Behind material sections
Tri-different-grain diameter screen clothes of Fang Peiyou, are connected respectively to flow-velocity sensing and receive on device, and acquisition fluid that can be real-time is through filling out
Fill the change of flow velocity after thing.
4, high-speed camera is fixed in model water pipe side, it is achieved that the note to whole process of the test charges migration overall process
Record.Flow monitoring information and high-speed camera record information are connected to computer system, through data compilation analysis, Ke Yizai
Existing packed type karst type seepage failure process, discloses its different in flow rate, variable grain grating retrofilling thing seepage failure machine
Reason.
Accompanying drawing explanation
Fig. 1 is the principle schematic of the present invention；
Fig. 2 is the screen cloth schematic diagram of the present invention；
Wherein 1. water inlet；2. water pipe sidewall；3. speed adjusting device；4. current meter；5. packing area；6. caulking gum
Pad；7. flow-velocity sensing receives device；8. flow velocity display；9. high-speed camera；10. armorplate glass；11. fastening bolts；12.
Outlet；13. screen clothes；14. draw-in grooves；15. computer systems.
Detailed description of the invention
The present invention is further described below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, the experimental provision of real-time monitored charges transport conditions under unsteady flow speed, including water inlet
1；Test water pipe 2；Speed adjusting device 3；Current meter 4；Material sections 5；Sealing rubber pad 6；Flow-velocity sensing receives device 7；Flow velocity
Display 8；High-speed camera 9；Safety glass top board 10；Fastening bolt 11；Outlet 12；Screen cloth 13；Draw-in groove 14；Department of computer science
System 15；
One end of test water pipe 2 is water inlet 1, and the other end is outlet 12, is provided with current at test water pipe water inlet 1
Speed adjusting device 3, and it is provided with current meter 4 on the inwall of test water pipe 2；
In test water pipe 2, it is provided with one section of packing area 5, along water flow direction, before packing area 5, is provided with water proof
Plate, at the screen cloth 13 being provided with different-grain diameter spaced behind of packing area, under the sluicing filtration with screen cloth 13, filler
The charges migration in district and automatic grain size grading, observe different current by flow rate adjustment device regulation water velocity simultaneously
Speed retrofilling thing situation of change.
Further, the outside of described packing area is provided with high-speed camera 9, and whole process is carried out record.
During test, water enters inside test water pipe through water inlet, and the speed installed by test water pipe water inlet is adjusted
Regulating device can regulate water velocity size.The current meter being arranged on test water pipe sidewall can be real-time get current
Speed, is shown flow rate information on flow velocity display by data connecting line.Dismountable transparent observation device, installs high saturating
The safety glass top board of lightness, left field is the packing area equipped with permeable dividing plate, according to draw-in groove reserved on test water pipe sidewall
Arranging the screen cloth of three layers of different-grain diameter, screen cloth connects flow-velocity sensing and receives device 7.Under sluicing with screen cloth effect, filling
Thing migration and automatically grain size grading, realized overall process record by high-speed camera, and internal information can obtain in real time.Screen cloth is even
The flow-velocity sensing connect receives device, and can the be real-time change of flow velocity be shown receives on device at flow-velocity sensing.Pass through flow velocity
Adjusting means i.e. can reach the purpose of the different water velocity retrofilling thing situation of change of observation.
Described water velocity adjusting means, utilizes bolt to be fastened on the rear of water inlet, it is achieved big to water velocity
Little regulation.
Further, the sidewall of test water pipe 1 is also equipped with current meter 4, it is possible to monitor change in flow in real time, and
By data connecting line, flow rate information is transferred on flow velocity display 8.
Further, described test water pipe wherein one section be transparent observation device, it is arranged in the middle part of water pipe, can basis
Test demand carries out organizing test more, and observation device is designed as Demountable combined-type, it is simple to changes different charges and tests,
Substantially increase efficiency and the operability of test；Transparent observation device selects the armorplate glass 10 of the high grade of transparency to make, profit
It is fixed on model water pipe with waterproof sealing design, can the inside charges situation of change of direct observation device.
The charges rear of described transparent observation device is furnished with three different-grain diameter screen clothes, and aperture is respectively 2mm, 5mm,
8mm, keeps the distance of 150mm, directly observes particle migration situation within being respectively placed in the certain distance at rear, material sections.
Described three different-grain diameter screen clothes 13, are connected respectively to flow-velocity sensing and receive on device, real-time acquisition fluid warp
Cross the change of flow velocity after implant.
High-speed camera is fixed in the both sides of described transparent observation device, and whole process of the test charges are transported by high-speed camera
Shifting overall process carries out record, high-speed camera and flow-velocity sensing reception device and is connected to computer system, divides through data compilation
Analysis, reproduces different water velocity retrofilling thing situation of change completely for the analysis to charges change procedure.
The real-time display of the water velocity that wherein records is on flow velocity display 8, and screen cloth 13 is logical by the reserved assembling of draw-in groove 14
Road is installed in observation device.Screen cloth 13 is connected to flow-velocity sensing and receives device 7, final flow rate display 8 and high-speed camera 9
Information unification be connected to computer system 15.
A kind of test method of real-time monitored charges transport conditions experimental provision under unsteady flow speed, including following step
Rapid:
(1) assemble detachable transparent observation device, fill the charges of certain granules grating standard in packing area 5, by card
The screen cloth 13 of three different-grain diameters is installed at groove 14 from top to bottom, high-strength transparence armorplate glass 10 waterproof sealing covers,
Fastened by fastening bolt 11, complete observation device and install.Flow rate adjustment device 3, current meter 4, flow velocity display 8, height are installed
Speed video camera 9 equipment such as grade.
(2) open water inlet 1, treat that fluid is full of observation device left field, regulate flow rate adjustment device 3, observe flow velocity
Display treats that 8 flow speed stabilities, in target flow rate value, are opened high-speed camera 9 and carried out captured in real-time, open flow-velocity sensing simultaneously and connect
Acquisition data are reached computer system 15 by receiving apparatus 7.
(3) treat that the flow velocity monitored by monitoring device at screen cloth 13 tends towards stability, close water inlet 1, pull down observation device,
Weighing screen cloth 13 respectively and be spaced the quality of interior charges, record data are uploaded computer system 15 and are analyzed together with step 2 data.
(4) regulation different in flow rate, changes variable grain grating charges, and repeat the above steps is tested.
Although the detailed description of the invention of the present invention is described by the above-mentioned accompanying drawing that combines, but not the present invention is protected model
The restriction enclosed, one of ordinary skill in the art should be understood that on the basis of technical scheme, and those skilled in the art are not
Need to pay various amendments or deformation that creative work can make still within protection scope of the present invention.
Claims (9)
1. one kind is used for different water velocity retrofilling thing situation of change observation devices, it is characterised in that include testing water pipe, institute
The one end of the test water pipe stated is water inlet, and the other end is outlet, and the water inlet at test water pipe is provided with water velocity and adjusts
Regulating device, is provided with one section of packing area in test water pipe, along water flow direction, is provided with water-stop sheet before packing area,
The screen cloth being provided with different-grain diameter spaced behind of packing area, under the sluicing filtration with screen cloth, the filling of packing area
Thing migration and automatically grain size grading, observed by flow rate adjustment device regulation water velocity simultaneously and filling under different water velocity
Fill out thing situation of change.
2. as claimed in claim 1 for different water velocity retrofilling thing situation of change observation devices, it is characterised in that institute
State water velocity adjusting means, utilize connector to be fixed on the rear of water inlet, it is achieved the regulation to water velocity size.
3. as claimed in claim 1 for different water velocity retrofilling thing situation of change observation devices, it is characterised in that
It is also equipped with current meter, it is possible to monitor change in flow in real time on the sidewall of test water pipe, and by data connecting line by flow velocity
Information is transferred on flow velocity display.
4. as claimed in claim 1 for different water velocity retrofilling thing situation of change observation devices, it is characterised in that institute
State test water pipe wherein one section for transparent observation device, it is arranged in the middle part of water pipe, can carry out organizing examination according to test demand more
Test.
5. as claimed in claim 1 for different water velocity retrofilling thing situation of change observation devices, it is characterised in that institute
The transparent observation device stated selects the safety glass of the high grade of transparency to make.
6. as claimed in claim 1 for different water velocity retrofilling thing situation of change observation devices, it is characterised in that institute
High-speed camera is fixed in the both sides stating transparent observation device, and whole process of the test charges migration overall process is entered by high-speed camera
Row record.
7. as claimed in claim 6 for different water velocity retrofilling thing situation of change observation devices, it is characterised in that institute
State the screen cloth of different-grain diameter, be connected respectively to flow-velocity sensing and receive on device, real-time acquisition fluid flow velocity after implant
Change.
8. as claimed in claim 7 for different water velocity retrofilling thing situation of change observation devices, it is characterised in that institute
The high-speed camera stated and flow-velocity sensing receive device and are connected to computer system, the described computer system data to receiving
Carry out finishing analysis, reproduce different water velocity retrofilling thing situation of change completely and divide for charges change procedure
Analysis.
9. utilize the method that the experimental provision as described in claim 1-8 is arbitrary carries out testing, it is characterised in that include following step
Rapid:
(1) detachable transparent observation device is assembled,
Fill the charges of certain granules grating standard in the packing area of test water pipe, the screen cloth of different-grain diameter is installed, by high-strength
Degree transparent toughened glass waterproof sealing covers packing area, completes transparent observation device and installs；
(2) flow rate adjustment device, current meter, flow velocity display and high-speed camera are installed；
(3) open water inlet, treat that fluid is full of the left field of transparent observation device, regulate flow rate adjustment device, observe flow velocity
Display；Treat that water flow velocity is stable in target flow rate value, open high-speed camera and carry out captured in real-time, open flow-velocity sensing simultaneously and connect
Acquisition data are reached computer system by receiving apparatus；
(4), when the water velocity when between screen cloth tends towards stability, close water inlet, pull down transparent observation device, weigh screen cloth respectively
The quality of charges in interval, record data are uploaded computer system and are analyzed together with step (2) data；
(5) regulating the different in flow rate of flow rate adjustment device, change variable grain grating charges, repeat the above steps is tried
Test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610815377.1A CN106323591B (en) | 2016-09-12 | 2016-09-12 | Different water velocity retrofilling object change procedure observation devices and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610815377.1A CN106323591B (en) | 2016-09-12 | 2016-09-12 | Different water velocity retrofilling object change procedure observation devices and method |
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| Publication Number | Publication Date |
|---|---|
| CN106323591A true CN106323591A (en) | 2017-01-11 |
| CN106323591B CN106323591B (en) | 2019-01-22 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060598A (en) * | 2018-08-13 | 2018-12-21 | 安徽大学 | Filling fracture solute migration monitoring test device and method |
| CN114563319A (en) * | 2021-12-07 | 2022-05-31 | 济南轨道交通集团有限公司 | Karst cave filling test device and method based on water material research |
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| CN105551362A (en) * | 2015-12-24 | 2016-05-04 | 中国地质大学（武汉） | Horizontal directional drilling annular rock debris migration integration simulation experiment method and experiment apparatus thereof |
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| CN109060598B (en) * | 2018-08-13 | 2024-02-23 | 中国矿业大学 | Filling crack solute migration monitoring test device and method |
| CN114563319A (en) * | 2021-12-07 | 2022-05-31 | 济南轨道交通集团有限公司 | Karst cave filling test device and method based on water material research |
| CN114563319B (en) * | 2021-12-07 | 2024-04-02 | 济南轨道交通集团有限公司 | Karst cave filling test device and method based on water material research |
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| CN106323591B (en) | 2019-01-22 |
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