CN107192651A - A kind of tailing dam silting phenomena simulation device - Google Patents

A kind of tailing dam silting phenomena simulation device Download PDF

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Publication number
CN107192651A
CN107192651A CN201710376173.7A CN201710376173A CN107192651A CN 107192651 A CN107192651 A CN 107192651A CN 201710376173 A CN201710376173 A CN 201710376173A CN 107192651 A CN107192651 A CN 107192651A
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water
pipe
silting
filter
fixedly installed
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王光进
高亚伟
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Kunming University of Science and Technology
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Kunming University of Science and Technology
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/08Investigating permeability, pore-volume, or surface area of porous materials

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Abstract

The present invention relates to a kind of tailing dam silting phenomena simulation device, belong to mine Geotechnical Engineering field.The device includes suspension preparation facilities, water control device, filter, clogging test device, water control device is arranged on suspension preparation facilities upper end, water control device is connected by pipeline with suspension preparation facilities, filter is arranged on clogging test device upper end, one end of filter is connected with water control device and the other end is connected with clogging test device, and clogging test device is connected by pipeline with suspension preparation facilities.The present invention can be used for studying the silting phenomenon occurred in tailing dam body, study its occurrence condition and mechanism, different silting situations is studied by changing suspended particulate particle diameter and concentration, the particle diameter of porous media, water environment, the first-class condition of Infiltration water, it is intended to set up silting pattern discrimination system.

Description

A kind of tailing dam silting phenomena simulation device
Technical field
The present invention relates to a kind of tailing dam silting phenomena simulation device, belong to mine Geotechnical Engineering field.
Background technology
With the generation of Tailings Dam dam-break accident, increasing scientist, researcher are participated in Tailings Dam dam break Among the research of mechanism, to seek to reach the purpose of effectively preventing and treating Tailings Dam disaster, wherein in research Tailings Dam dam break counter-dam body The change of portion's structure is exactly one of important research link.
Tailings Dam stability study is related to the crossing domain of the related disciplines such as soil mechanics, hydraulics and sediment dynamics, This is that Tailings Dam stability study brings difficulty, and tailing dam unstability is not caused by some factor, often multiple The coefficient result of factor, is due to that internal factor such as pore structure etc. changes such as tail with external environment for its essence Ore deposit dam increases loading, earthquake, rainfall etc., and the Guiding factor collective effect that external environment occurs as dam break makes to answer in Tailings Dam The field of force, seepage field etc. change, so as to cause tailing dam unstability.
In tailings dam stability research, saturation is the important indicator for judging tailings dam stability, and the height of saturation Low then by dam body infiltrative influence, dam body has good water penetration, and storehouse internal water accumulation can be excluded in time, reduces saturation, Improve dam stability.Silting phenomenon is the phenomenon of generally existing in porous media, and many scholars carry out research to silting and shown Silting can reduce porous media permeability, in tailing dam, the deposition of fine particle and delay or chemical ring in flow event The change in border can cause the hole seepage channel in tailing dam body drain system to occur silting, reduce dam body permeability so that dam Body saturated surface position is raised, and then can cause dam stability reduction even dam break, not only along with serious social shadow after dam break The environmental effect for being difficult to reverse can also be brought by ringing.
The content of the invention
There is provided a kind of tailing dam seepage flow sludge plugging phenomena simulation device, the dress for the problem of present invention exists for prior art Put by changing different-grain diameter porous media, shadow of the research porous media particle diameter to silting spatial-temporal distribution characteristic in transparent barrel mast Ring rule;Particle diameter and concentration by changing suspended particulate etc., can study suspended particle characteristics to silting spatial-temporal distribution characteristic Affecting laws;By controlling the spilling water return channel of different height, change percolate and infiltrate height, research percolate infiltrates water level change Change the affecting laws to silting spatial-temporal distribution characteristic;By the control of pipeline and valve formed under upper with two kinds from bottom to up It is percolated direction loop, the different silting spatial-temporal distribution characteristic rules infiltrated under the conditions of direction of research;Various factors coupling can also be studied Under the conditions of silting spatial-temporal distribution characteristic rule.
The present invention is for the technical scheme that uses of its technical problem of solution:
A kind of tailing dam silting phenomena simulation device, including suspension preparation facilities, water control device, filter, clogging test Device, water control device is arranged on suspension preparation facilities upper end, and water control device is connected by pipeline with suspension preparation facilities, mistake Filter device is arranged on clogging test device upper end, and one end of filter is connected with water control device and the other end is filled with clogging test Connection is put, clogging test device is connected by pipeline with suspension preparation facilities.
The suspension preparation facilities include fixed station I 1, tank diameter 2, agitator, motor 3, storage tank 4, suction pump 5, Water injection pipe 6, drainpipe 7, the water pump outlet pipe 8 that draws water, cover plate 9, flowmeter 10, tank diameter 2 are arranged on the center of fixed station I 1, stirring Device, motor 3 are arranged on the bottom of tank diameter 2, and the output end of motor 3 is connected with agitator, and storage tank 4 is arranged on fixed station I 1 End, suction pump 5 is fixedly installed on the inner bottom surface of storage tank 4, and the water pump outlet pipe 8 that draws water is extended to outside the wall of storage tank 4 and with controlling water Device is connected, and cover plate 9 is arranged on the top of storage tank 4, and water injection pipe 6 is arranged on cover plate 4, and flowmeter 10 is arranged on water injection pipe 6 On, drainpipe 7 is arranged on the bottom of storage tank 4.
The agitator include agitating shaft fixed seat 11, agitating shaft 12, agitating shaft drive 13, stirring support column 14, stir Arm 15, stirring vane 16 are mixed, the output end of motor 3 is provided with motor drive 17, and agitating shaft fixed seat 11, which is fixedly installed on, to be stirred The bottom of groove 2 is mixed, agitating shaft 12 is vertically arranged in agitating shaft fixed seat 11, and agitating shaft drive 13 is fixedly installed on agitating shaft 12 It is engaged above and with motor drive 17, stirring support column 14 is vertically arranged in the inner bottom surface of storage tank 4, stirring support column 14 is set It is equipped with central through hole, central through hole and agitating shaft 12 is set, mixing arm 15 is fixedly installed on the top of agitating shaft 12, mixing arm 15 The agitating paddle for being symmetrical with agitating shaft 12 is provided with, is existed if being provided with agitating paddle between dried layer stirring vane 16, stirring vane Gap, can reduce resistance during stirring, and agitating shaft can up time or inverse time rotation, it is possible to decrease the sedimentary effect of particle simultaneously makes stirring It is more uniform.
The water control device includes support bar 18, water regulator 19, demarcation strip 20, return pipe 21, experiment water inlet pipe 22, support Bar 18 is fixedly installed on the top of fixed station I 1, and water regulator 19 is fixedly installed on the top of support bar 18, and demarcation strip 20 is vertically arranged in In water regulator 19 and water regulator 19 is divided into intake chamber 23 and backwater room 24, return pipe 21 is arranged on the bottom of backwater room 24, water inlet The bottom of room 23 is provided with flexible pipe, and flexible pipe is connected with the water pump outlet pipe 8 that draws water, and experiment water inlet pipe 22 is arranged on the side wall of intake chamber 23, real Test water inlet pipe 22 to connect with filter by removable hose, water regulator 19 can ensure many provided with intake chamber 23 and backwater room 24 Remaining suspension is not spilt over, and is back to by the return pipe 26 on the wall of backwater room 24 in storage tank, realizes that solution is circulated.
Further, it is provided with experiment water inlet pipe 22 on experiment water intaking valve 25, return pipe 21 and is provided with back-water valve (BWV) 26.
The clogging test device includes fixed station II 27, silting device 28, the upper strata of silting device 28 for filtrate part and under Layer is sample component, and top cover 29, silting device water inlet pipe 30, solution conduit 31, buffer board I 32, buffer board II 33, top cover 29 are arranged on Filtrate part top, silting device water inlet pipe 30, solution conduit 31 are fixedly installed on top cover 29, and buffer board I 32 is fixedly installed on filter The inwall of liquid part, buffer board II 33 is flexibly connected below buffer board I 32, and the side wall of filtrate part is from top to bottom provided with excessive Water return channel I 34, spilling water return channel II 35, spilling water return channel III 36, upper overflow pipe 37, spilling water return channel I 34, spilling water return channel II 35, spilling water return channel III 36 passes through spilling water return duct I 38, spilling water return duct II 39, spilling water return duct III 40 and water storage respectively Case 4 is connected, and the upper bottom of overflow pipe 37 is provided with lower overflow pipe 41, and sample component is fixedly connected on filtrate component bottom ends, sample portion The side wall of part is provided with water pressure monitoring pipe 42, and sample component inwall is fixedly installed filter screen I 43, and the side wall of sample component, which is fixed, to be set Saturation pipe 44 is equipped with, saturation pipe 44 is located at the lower section of filter screen I 43, and the bottom of sample component is fixedly installed under funnel 45, funnel 45 Side is tiltedly installed with water-accepting board 46, and the side wall of sample component is fixedly installed lower drainpipe 47, lower drainpipe 47 and water-accepting board 46 Bottom connection, lower drainpipe 47 extended in NetStream Collector 48, and NetStream Collector 48 is arranged on the side of fixed station II 27, under Drainpipe 47 is connected with lower overflow pipe 41.
Buffering twice for the buffer board I 32 and buffer board II 33 plays reduction solution to rushing that top layer sample strip is come jointly Hit and reduce the purpose of the destruction to experimental phenomena.
The spilling water return channel I 34, spilling water return channel II 35, spilling water return channel III 36 ensure the experiment of different heights of water level It is required that, and be connected to respectively by spilling water return duct in storage tank, realize that solution is circulated.
Further, the clogging test device also includes agitator 49, and agitator 49 is fixedly installed on top cover 29, stirred The agitating paddle for mixing device 49 is extended in filtrate part, and the bottom of agitating paddle is arranged in the centre bore of buffer board I 32;Upper overflow pipe It is provided with to be provided with underflow water valve, saturation pipe 44 on overflow water valve, lower overflow pipe 41 on 37 and is provided with full water valve, lower drainpipe Lower draining valve is provided with 46, the current that can form different circuit by controlling overflow water valve, underflow water valve and lower draining valve lead to Road, carries out the experiment under the conditions of different directions, the bottom of funnel 45 is provided with funnel draining valve.
Further, transmissometer 50, flowmeter 51 are additionally provided with lower drainpipe 47, can be carried with flowmeter with reference to transmissometer The accuracy of high Test Data Collecting, and it is simple to operate.
Further, filtrate part includes more than 2 transparent cylinders that are fixedly and coaxially connected, sample component including 4 with On the transparent cylinder that is fixedly and coaxially connected, be additionally provided with rubber washer between transparent cylinder, rubber washer can ensure the close of barrel mast Closing property, barrel mast is detachable, and layering screen sample can be carried out to sample after experiment.
The filter includes filter 52, fix bar 53, filter screen II 54, compression plate I 55, compression plate II 56, air inlet Pipe 57, air pump, filter 52 are arranged on clogging test device upper end and are fixed on by fix bar 53 on fixed station II 27, filtering Coarse filtration room 58, smart filter chamber 59 are provided with device 52, smart filter chamber 59 is arranged on the lower section of coarse filtration room 58, and filter screen II 54 is set In the bottom of coarse filtration room 58, compression plate I 55 is fixedly installed on the lower end of filter screen II 54, and the flexible setting of compression plate II 56 is in compression plate I 55 lower sections, one end of air inlet pipe 57 is located at the lower section of compression plate I 55 and is arranged on the top of compression plate II 56, and the other end is connected with air pump, Air pump is arranged on the outside of filter 52, and filter is used to carry out silting phenomenal research when clear water injects;When turbid solution injects, filtering Device is not attached on tailing dam silting phenomena simulation device, only need to be carried out experiment water inlet pipe by flexible pipe and silting device water inlet pipe Connection.
The coarse filtration room 58 of the filter 52 is engaged with smart filter chamber 59, and the ion that double filterings can be reduced in filtrate is dense Degree.
The application method of the present invention:
The opening and closing in water pressure monitoring hole should be tested before experiment, and ensures the connection of water pressure monitoring hole and pressure-measuring pipe, checks that each valve can Opening and closing situation, in case influence process of the test is carried out;Get out test the suspended particulate of requirement, water in advance with being situated between as porous The tailings particles of matter, are then filled to the transparent tube of silting device, and sample carries out layering filling, followed by sample saturation, closes Close funnel draining valve, close overflow water valve, open full water valve, saturation pipe is connected external water source, saturation history from the bottom to top, often One layer of sample is loaded, saturation is carried out to it immediately, operated repeatedly, until completing sample filling and saturation history, the part operation After the completion of, close full water valve;The particle that will act as suspension is put into storage tank, is then injected by water injection pipe into storage tank It is required that suspension concentration institute water requirement, then opens motor, operationalize agitator, complete suspension and make;Then open The percolate made is drawn up into solution water inlet water control device after experiment water intaking valve, back-water valve (BWV), opening suction pump and enters intake chamber, When overflowing into backwater room Deng percolate and being back to storage tank, experiment water intaking valve is opened, percolate enters clogging test device;When oozing Filtrate outflow it is pre-determined enter the corresponding spilling water return channel I of sepage water level, spilling water return channel II or the position of spilling water return channel III When, underflow water valve is closed, lower draining valve is opened, and transmissometer is opened, flowmeter then opens funnel draining valve, on-test;
When need to change infiltration direction from bottom to up, dress sample and saturation history are same as above, full water valve are closed after saturation, by suction pump It is connected by flexible pipe with saturation pipe, closes funnel draining valve, closed lower draining valve, open overflow water valve, is opened lower draining valve, ooze When filtrate is pumped into silting device by suction pump by saturation pipe, full water valve is opened, process of the test starts.
(1)By changing different-grain diameter porous media, space division when research porous media particle diameter is to silting in transparent barrel mast The affecting laws of cloth feature:
In the sample layer of clogging test device, test of many times changes the porous media of variable grain size every time(Now formed Pore channel is in different size), then put suspension(Granular size inside suspension is constant), suspended during seepage flow Particle in liquid can be deposited(Occurs silting), because pore channel is in different size, the sedimentary characteristic of formation can not yet Equally, after certain time, device is split, particle screening is carried out to various sample layer, the experiment of different height barrel mast is studied Gradation situation, and then according to grading analysis result, the distribution rule of silting occur for the porous media of analysis variable grain size Rule;
(2)Particle diameter and concentration by changing suspended particulate etc., can study suspended particle characteristics to silting spatial-temporal distribution characteristic Affecting laws:
Sample layer porous media without change, change suspension in suspended particulate size, suspended particulate it is in different size, The sedimentary characteristic of generation also can be different, and what is had is deposited on surface, and what is had is deposited on inside, same to occur after silting, by Grain analysis, studies the time space distribution of the silting now occurred(Mainly shadow of the suspended particulate of different-grain diameter to silting Ring);
(3)By controlling the spilling water return channel of different height, change percolate and infiltrate height, research percolate infiltrates SEA LEVEL VARIATION To the affecting laws of silting spatial-temporal distribution characteristic:
There are three overflow devices on the left of filtrate layers, the spilling water return channel of different height is chosen according to different water levels, filtrate water level is not Together, filtrate will be different into the speed of sample layer, will result in the different distributions of particle alluvial, now, it is possible to study Influence of the water level to silting(Main analog:During heap dam, water level constantly rises, therefore is provided with three height Overflow device);
(4)Formed under upper to enter with two kinds from bottom to up diafiltration direction loops, research difference by the control of pipeline and valve Ooze the silting spatial-temporal distribution characteristic rule under the conditions of direction:
When need to change infiltration direction from bottom to up, dress sample and saturation history are same as above, full water valve are closed after saturation, by suction pump It is connected by plastic flexible pipe with saturation pipe, closes funnel draining valve, closed lower draining valve, open overflow water valve, opens lower draining Valve, when percolate is pumped into by suction pump by saturation pipe in the transparent tube of silting device, opens full water valve, process of the test starts; Experiment from bottom to up is contrasted with experiment from top to bottom, the different silting space-times infiltrated under the conditions of direction can be studied Distribution characteristics rule;
(5)Study silting spatial-temporal distribution characteristic rule under the conditions of various factors coupling:
Various factors coupling is exactly, several factors of the above, and two or more change together, and soda acid is added into filtrate by solution conduit Middle its water environment of change, realizes various factors coupling, the silting situation and its characteristic distributions of research now;
Beneficial effects of the present invention:
(1)Tailings Dam penetration clogging research device of the present invention, available in the transparent barrel mast of different porous medias it is replaceable not The spilling water of different height is provided with particle diameter porous media sample, suspended particulate different-grain diameter, various concentrations condition, different water levels Return channel, difference infiltrate direction by pipeline and valve can be formed under upper with the conditions of two kinds from bottom to up diafiltration directions etc. The silting phenomenal research occurred in porous media, the spatial-temporal distribution characteristic rule that research silting occurs;
(2)Tailings Dam penetration clogging research device of the present invention is provided with control water head equipment, provided with two Room, can not only ensure to become silted up Diafiltration liquid measure needed for stifled research, can also realize the backflow of unnecessary percolate, that is, realize that filtrate cycle is utilized, spilling water return channel is same Sample realizes recycling for filtrate;
(3)Tailings Dam penetration clogging research device of the present invention, mixing part can realize automation, can save substantial amounts of manpower And material resources, and the uniformity coefficient into sepage can be improved;Diffusate is analyzed by transmissometer, can by flowmeter gathered data Improve the reliability of the test data of collection;
(4)Tailings Dam penetration clogging research device of the present invention, transparent organic glass cylinder is divided into filtrate layers, sample layer, sample Layer is connected by multiple short lucite cylinders by flange ring, is conducive to sieving the sample after experiment the characteristics of easy to disassemble Deng experiment, the spatial-temporal distribution characteristic rule to further analysis silting phenomenon is favourable;
(5)Tailings Dam penetration clogging research device of the present invention, the position that each several part is contacted with solution, using antiacid alkali material Material, can be achieved the experimental study under physical environment, chemical environment or coupling condition.
Brief description of the drawings
Fig. 1 the present embodiment Tailings Dam penetration clogging research device structural framing schematic diagrames;
Fig. 2 the present embodiment Tailings Dam penetration clogging research device structural representations;
The front view of Fig. 3 the present embodiment Tailings Dam penetration clogging research devices;
Motor and agitator connection diagram in Fig. 4 the present embodiment suspension preparation facilities;
Fig. 5 the present embodiment filter structure schematic representations;
Fig. 6 the present embodiment filter compression plate structure schematic diagrams;
Fig. 7 the present embodiment funnel drain valve structure schematic diagrames;
The transparent tube connection diagram of Fig. 8 the present embodiment silting devices;
Fig. 9 the present embodiment flange schematic diagrames;
In figure:1- fixed stations I, 2- tank diameters, 3- motors, 4- storage tanks, 5- suction pumps, 6- water injection pipes, 7- drainpipes, 8- draw water Water pump outlet pipe, 9- cover plates, 10- flowmeters, 11- agitating shafts fixed seat, 12- agitating shafts, 13- agitating shafts drive, 14- stirring branch Dagger, 15- mixing arms, 16- stirring vanes, 17- motors drive, 18- support bars, 19- water regulators, 20- demarcation strips, 21- are returned Water pipe, 22- experiment water inlet pipe, 23- intake chambers, 24- backwater room, 25- experiment water intaking valve, 26- back-water valve (BWV)s, 27- fixed stations II, 28- siltings device, 29- top covers, 30- silting devices water inlet pipe, 31- solution conduits, 32- buffer boards I, 33- buffer boards II, 34- spilling waters are returned Flow device I, 35- spilling waters return channel II, 36- spilling waters return channel III, the upper overflow pipes of 37-, 38- spilling waters return duct I, the backflow of 39- spilling waters Overflow pipe, 42- water pressure monitorings pipe, 43- filter screens I, 44- saturations pipe, 45- funnels, 46- under pipe II, 40- spilling waters return duct III, 41- Drainpipe, 48- NetStream Collector, 49- agitators, 50- transmissometers, 51- flowmeters, 52- filters, 53- under water-accepting board, 47- Fix bar, 54- filter screens II, 55- compression plates I, 56- compression plates II, 57- air inlet pipe, 58- coarse filtrations room, the smart filter chambers of 59-.
Embodiment
With reference to embodiment, the invention will be further described.
Embodiment 1:As shown in Fig. 1 ~ 7, a kind of tailing dam silting phenomena simulation device, including suspension preparation facilities, control Water installations, filter, clogging test device, water control device are arranged on suspension preparation facilities upper end, and water control device passes through pipe Road is connected with suspension preparation facilities, and filter is arranged on clogging test device upper end, one end and the control water dress of filter Put connection and the other end is connected with clogging test device, clogging test device is connected by pipeline with suspension preparation facilities.
Suspension preparation facilities includes fixed station I 1, tank diameter 2, agitator, motor 3, storage tank 4, suction pump 5, water filling Pipe 6, drainpipe 7, the water pump outlet pipe 8 that draws water, cover plate 9, flowmeter 10, tank diameter 2 are arranged on the center of fixed station I 1, agitator, electricity Machine 3 is arranged on the bottom of tank diameter 2, and the output end of motor 3 is connected with agitator, and storage tank 4 is arranged on the upper end of fixed station I 1, draws water Pump 5 is fixedly installed on the inner bottom surface of storage tank 4, and the water pump outlet pipe 8 that draws water is extended to outside the wall of storage tank 4 and connected with water control device Logical, cover plate 9 is arranged on the top of storage tank 4, and water injection pipe 6 is arranged on cover plate 4, and flowmeter 10 is arranged on water injection pipe 6, draining Pipe 7 is arranged on the bottom of storage tank 4.
Agitator includes agitating shaft fixed seat 11, agitating shaft 12, agitating shaft drive 13, stirring support column 14, mixing arm 15th, stirring vane 16, the output end of motor 3 is provided with motor drive 17, and agitating shaft fixed seat 11 is fixedly installed on tank diameter 2 Bottom, agitating shaft 12 is vertically arranged in agitating shaft fixed seat 11, and agitating shaft drive 13 is fixedly installed on agitating shaft 12 simultaneously It is engaged with motor drive 17, stirring support column 14 is vertically arranged in the inner bottom surface of storage tank 4, stirring support column 14 is provided with Agitating shaft 12 is set in central through hole, central through hole, and mixing arm 15 is fixedly installed on the top of agitating shaft 12, mixing arm 15 and set There is the agitating paddle for being symmetrical with agitating shaft 12, there is gap if being provided with agitating paddle between dried layer stirring vane 16, stirring vane, It can reduce resistance during stirring, and agitating shaft can up time or inverse time rotation, it is possible to decrease the sedimentary effect of particle simultaneously makes stirring more Uniformly.
Water control device includes support bar 18, water regulator 19, demarcation strip 20, return pipe 21, experiment water inlet pipe 22, support bar 18 The top of fixed station I 1 is fixedly installed on, water regulator 19 is fixedly installed on the top of support bar 18, and demarcation strip 20 is vertically arranged in control water In device 19 and water regulator 19 is divided into intake chamber 23 and backwater room 24, return pipe 21 is arranged on the bottom of backwater room 24, intake chamber 23 Bottom is provided with flexible pipe, and flexible pipe is connected with the water pump outlet pipe 8 that draws water, experiment water inlet pipe 22 be arranged on the side wall of intake chamber 23, test into Water pipe 22 is connected by removable hose with filter, and water regulator 19 can ensure unnecessary outstanding provided with intake chamber 23 and backwater room 24 Turbid liquid is not spilt over, and is back to by the return pipe 26 on the wall of backwater room 24 in storage tank, realizes that solution is circulated.
It is provided with experiment water inlet pipe 22 on experiment water intaking valve 25, return pipe 21 and is provided with back-water valve (BWV) 26.
Clogging test device includes fixed station II 27, silting device 28, and the upper strata of silting device 28 is filtrate part and lower floor is Sample component, top cover 29, silting device water inlet pipe 30, solution conduit 31, buffer board I 32, buffer board II 33, top cover 29 is arranged on filtrate Part top, silting device water inlet pipe 30, solution conduit 31 are fixedly installed on top cover 29, and buffer board I 32 is fixedly installed on filtrate portion The inwall of part, buffer board II 33 is flexibly connected below buffer board I 32, and the side wall of filtrate part is from top to bottom provided with spilling water and returned Flow device I 34, spilling water return channel II 35, spilling water return channel III 36, upper overflow pipe 37, spilling water return channel I 34, spilling water return channel II 35th, spilling water return channel III 36 passes through spilling water return duct I 38, spilling water return duct II 39, spilling water return duct III 40 and storage tank 4 respectively Connection, the upper bottom of overflow pipe 37 is provided with lower overflow pipe 41, and sample component is fixedly connected on filtrate component bottom ends, sample component Side wall is provided with water pressure monitoring pipe 42, and sample component inwall is fixedly installed filter screen I 43, and the side wall of sample component is fixedly installed Saturation pipe 44, saturation pipe 44 is located at the lower section of filter screen I 43, and the bottom of sample component is fixedly installed funnel 45, and the lower section of funnel 45 is inclined Water-accepting board 46 is tiltedly provided with, the side wall of sample component is fixedly installed lower drainpipe 47, the bottom of lower drainpipe 47 and water-accepting board 46 End connection, lower drainpipe 47 is extended in NetStream Collector 48, and NetStream Collector 48 is arranged on the side of fixed station II 27, lower draining Pipe 47 is connected with lower overflow pipe 41.
Buffer board I 32 and buffering twice for buffer board II 33 play impact of the reduction solution to top layer sample strip simultaneously jointly Reduce the purpose of the destruction to experimental phenomena.
Spilling water return channel I 34, spilling water return channel II 35, spilling water return channel III 36 ensure that the experiment of different heights of water level will Ask, and be connected to respectively by spilling water return duct in storage tank, realize that solution is circulated.
Clogging test device also includes agitator 49, and agitator 49 is fixedly installed on top cover 29, the stirring of agitator 49 Oar is extended in filtrate part, and the bottom of agitating paddle is arranged in the centre bore of buffer board I 32;It is provided with upper overflow pipe 37 It is provided with spilling water valve, lower overflow pipe 41 on underflow water valve, saturation pipe 44 and is provided with full water valve, is provided with down on lower drainpipe 46 Draining valve, by controlling overflow water valve, underflow water valve and lower draining valve to form the water stream channel of different circuit, carries out not Tongfang Experiment under the conditions of, the bottom of funnel 45 is provided with funnel draining valve.
Transmissometer 50, flowmeter 51 are additionally provided with lower drainpipe 47, experiment number can be improved with reference to transmissometer and flowmeter According to the accuracy of collection, and it is simple to operate.
Filtrate part includes more than 2 transparent cylinders being fixedly and coaxially connected, and sample component, which includes more than 4, coaxially to be fixed Rubber washer is additionally provided between the transparent cylinder of connection, transparent cylinder, rubber washer can ensure the seal of barrel mast, and barrel mast can Dismounting, layering screen sample can be carried out after experiment to sample.
Filter include filter 52, fix bar 53, filter screen II 54, compression plate I 55, compression plate II 56, air inlet pipe 57, Air pump, filter 52 is arranged on clogging test device upper end and is fixed on by fix bar 53 on fixed station II 27, filter 52 Coarse filtration room 58, smart filter chamber 59 are inside provided with, smart filter chamber 59 is arranged on the lower section of coarse filtration room 58, and filter screen II 54 is arranged on slightly The bottom of filter chamber 58, compression plate I 55 is fixedly installed on the lower end of filter screen II 54, and the flexible setting of compression plate II 56 is under compression plate I 55 Side, one end of air inlet pipe 57 is located at the lower section of compression plate I 55 and is arranged on the top of compression plate II 56, and the other end is connected with air pump, air pump The outside of filter 52 is arranged on, filter is used to carry out silting phenomenal research when clear water injects;When turbid solution injects, filter is not It is connected on tailing dam silting phenomena simulation device, experiment water inlet pipe need to be only connected by flexible pipe with silting device water inlet pipe Connect.
The coarse filtration room 58 of filter 52 is engaged with smart filter chamber 59, and double filterings can reduce the ion concentration in filtrate.
It as shown in Fig. 8 ~ 9, can be connected between transparent cylinder by flange ring, by bolt or other can also be easy to tear open The mode that is fixedly connected unloaded is attached.
The specific embodiment of the present invention is explained in detail above in conjunction with accompanying drawing, but the present invention is not limited to above-mentioned reality Example is applied, can also be on the premise of present inventive concept not be departed from the knowledge that those of ordinary skill in the art possess Various changes can be made.

Claims (10)

1. a kind of tailing dam silting phenomena simulation device, it is characterised in that:Including suspension preparation facilities, water control device, filtering Device, clogging test device, water control device are arranged on suspension preparation facilities upper end, and water control device passes through pipeline and suspension system Standby device connection, filter is arranged on clogging test device upper end, and one end of filter is connected and another with water control device End is connected with clogging test device, and clogging test device is connected by pipeline with suspension preparation facilities.
2. tailing dam silting phenomena simulation device according to claim 1, it is characterised in that:The suspension preparation facilities bag Include fixed station I(1), tank diameter(2), agitator, motor(3), storage tank(4), suction pump(5), water injection pipe(6), drainpipe (7), draw water water pump outlet pipe(8), cover plate(9), flowmeter(10), tank diameter(2)It is arranged on fixed station I(1)Center, agitator, Motor(3)It is arranged on tank diameter(2)Bottom, motor(3)Output end be connected with agitator, storage tank(4)It is arranged on fixed station I (1)Upper end, suction pump(5)It is fixedly installed on storage tank(4)Inner bottom surface, draw water water pump outlet pipe(8)Extend to storage tank(4)'s Wall is outer and is connected with water control device, cover plate(9)It is arranged on storage tank(4)Top, water injection pipe(6)It is arranged on cover plate(4)On, stream Scale(10)It is arranged on water injection pipe(6)On, drainpipe(7)It is arranged on storage tank(4)Bottom.
3. tailing dam silting phenomena simulation device according to claim 2, it is characterised in that:The agitator includes agitating shaft Fixed seat(11), agitating shaft(12), agitating shaft drive(13), stirring support column(14), mixing arm(15), stirring vane (16), motor(3)Output end be provided with motor drive(17), agitating shaft fixed seat(11)It is fixedly installed on tank diameter(2) Bottom, agitating shaft(12)It is vertically arranged in agitating shaft fixed seat(11)On, agitating shaft drive(13)It is fixedly installed on agitating shaft (12)It is upper and with motor drive(17)It is engaged, stirs support column(14)It is vertically arranged in storage tank(4)Inner bottom surface, stirring Support column(14)It is provided with central through hole, central through hole and agitating shaft is set(12), mixing arm(15)It is fixedly installed on agitating shaft (12)Top, mixing arm(15)On be provided with and be symmetrical with agitating shaft(12)Agitating paddle, if be provided with agitating paddle dried layer stirring Blade(16).
4. tailing dam silting phenomena simulation device according to claim 2, it is characterised in that:The water control device includes support Bar(18), water regulator(19), demarcation strip(20), return pipe(21), experiment water inlet pipe(22), support bar(18)It is fixedly installed on Determine platform I(1)Top, water regulator(19)It is fixedly installed on support bar(18)Top, demarcation strip(20)It is vertically arranged in water regulator (19)It is interior and by water regulator(19)It is divided into intake chamber(23)And backwater room(24), return pipe(21)It is arranged on backwater room(24)Bottom End, intake chamber(23)Bottom is provided with flexible pipe, flexible pipe and the water pump outlet pipe that draws water(8)Connection, tests water inlet pipe(22)Be arranged on into Hydroecium(23)Side wall, tests water inlet pipe(22)Connected by removable hose with filter.
5. tailing dam silting phenomena simulation device according to claim 4, it is characterised in that:Test water inlet pipe(22)It is upper to set There is experiment water intaking valve(25), return pipe(21)On be provided with back-water valve (BWV)(26).
6. tailing dam silting phenomena simulation device according to claim 2, it is characterised in that:The clogging test device includes Fixed station II(27), silting device(28), silting device(28)Upper strata be filtrate part and lower floor is sample component, top cover(29)、 Silting device water inlet pipe(30), solution conduit(31), buffer board I(32), buffer board II(33), top cover(29)It is arranged on filtrate part top End, silting device water inlet pipe(30), solution conduit(31)It is fixedly installed on top cover(29)On, buffer board I(32)It is fixedly installed on filtrate The inwall of part, buffer board II(33)Flexible connection is in buffer board I(32)Lower section, the side wall of filtrate part is from top to bottom provided with Spilling water return channel I(34), spilling water return channel II(35), spilling water return channel III(36), upper overflow pipe(37), spilling water return channel I (34), spilling water return channel II(35), spilling water return channel III(36)Pass through spilling water return duct I respectively(38), spilling water return duct II (39), spilling water return duct III(40)With storage tank(4)Connection, upper overflow pipe(37)Bottom is provided with lower overflow pipe(41), sample Part is fixedly connected on filtrate component bottom ends, and the side wall of sample component is provided with water pressure monitoring pipe(42), sample component inwall consolidate Surely it is provided with filter screen I(43), the side wall of sample component is fixedly installed saturation pipe(44), saturation pipe(44)Positioned at filter screen I(43) Lower section, the bottom of sample component is fixedly installed funnel(45), funnel(45)Inclined downward is provided with water-accepting board(46), sample portion The side wall of part is fixedly installed lower drainpipe(47), lower drainpipe(47)With water-accepting board(46)Bottom connection, lower drainpipe (47)Extend to NetStream Collector(48)It is interior, NetStream Collector(48)It is arranged on fixed station II(27)Side, lower drainpipe(47) With lower overflow pipe(41)Connection.
7. tailing dam silting phenomena simulation device according to claim 6, it is characterised in that:Also include agitator(49), stir Mix device(49)It is fixedly installed on top cover(29)On, agitator(49)Agitating paddle extend in filtrate part, the bottom of agitating paddle It is arranged on buffer board I(32)Centre bore in;Upper overflow pipe(37)On be provided with overflow water valve, lower overflow pipe(41)On be provided with Underflow water valve, saturation pipe(44)On be provided with full water valve, lower drainpipe(46)On be provided with lower draining valve, funnel(45)Bottom is set It is equipped with funnel draining valve.
8. tailing dam silting phenomena simulation device according to claim 6, it is characterised in that:Lower drainpipe(47)On also set up There is transmissometer(50), flowmeter(51).
9. tailing dam silting phenomena simulation device according to claim 6, it is characterised in that:Filtrate part includes more than 2 The transparent cylinder being fixedly and coaxially connected, sample component is included between more than 4 transparent cylinders being fixedly and coaxially connected, transparent cylinder It is additionally provided with rubber washer.
10. tailing dam silting phenomena simulation device according to claim 6, it is characterised in that:The filter included Filter(52), fix bar(53), filter screen II(54), compression plate I(55), compression plate II(56), air inlet pipe(57), air pump, filtering Device(52)It is arranged on clogging test device upper end and by fix bar(53)It is fixed on fixed station II(27)On, filter(52)It is interior It is provided with coarse filtration room(58), smart filter chamber(59), smart filter chamber(59)It is arranged on coarse filtration room(58)Lower section, filter screen II(54) It is arranged on coarse filtration room(58)Bottom, compression plate I(55)It is fixedly installed on filter screen II(54)Lower end, compression plate II(56)Flexibility is set Put in compression plate I(55)Lower section, air inlet pipe(57)One end is located at compression plate I(55)Lower section and it is arranged on compression plate II(56)On Side, the other end is connected with air pump, and air pump is arranged on filter(52)Outside.
CN201710376173.7A 2017-05-25 2017-05-25 A kind of tailing dam silting phenomena simulation device Pending CN107192651A (en)

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CN107831104A (en) * 2017-12-07 2018-03-23 中国科学院武汉岩土力学研究所 Study experimental rig and its method of the fine particle mobilization to calcareous sand Permeability
CN108331127A (en) * 2018-01-18 2018-07-27 北京科技大学 A kind of tailing water seepage drainage facility silting remove device and method
CN109283112A (en) * 2018-09-25 2019-01-29 昆明理工大学 It is a kind of for dissipating the experimental provision of soil body complexity silting mechanism
CN109406363A (en) * 2018-10-18 2019-03-01 昆明理工大学 A kind of silting experimental provision of tailings material and its geotextile
CN109374508A (en) * 2018-12-06 2019-02-22 中国科学院武汉岩土力学研究所 A kind of tailing row's infiltration system silting imitative experimental appliance and experimental method
CN109374508B (en) * 2018-12-06 2023-10-10 中国科学院武汉岩土力学研究所 Clogging simulation experiment device and method for tailing drainage system
CN110672497A (en) * 2019-11-08 2020-01-10 宁夏大学 Multifunctional infiltration piping tester

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Application publication date: 20170922