CN110152359A - A kind of no rake selects the dense sand warehouse of tailing - Google Patents
A kind of no rake selects the dense sand warehouse of tailing Download PDFInfo
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- CN110152359A CN110152359A CN201910435613.0A CN201910435613A CN110152359A CN 110152359 A CN110152359 A CN 110152359A CN 201910435613 A CN201910435613 A CN 201910435613A CN 110152359 A CN110152359 A CN 110152359A
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- sand warehouse
- tailing
- cone
- warehouse body
- balladeur train
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- 239000004576 sand Substances 0.000 title claims abstract description 123
- 238000005243 fluidization Methods 0.000 claims abstract description 34
- 230000016615 flocculation Effects 0.000 claims abstract description 20
- 238000005189 flocculation Methods 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000005192 partition Methods 0.000 claims description 16
- 230000006837 decompression Effects 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- 230000008719 thickening Effects 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000007787 solid Substances 0.000 description 19
- 239000002245 particle Substances 0.000 description 14
- 238000004062 sedimentation Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 13
- 230000009286 beneficial effect Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000005484 gravity Effects 0.000 description 5
- 239000011859 microparticle Substances 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000004537 pulping Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 3
- 230000003311 flocculating effect Effects 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000004503 fine granule Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/0087—Settling tanks provided with means for ensuring a special flow pattern, e.g. even inflow or outflow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/01—Separation of suspended solid particles from liquids by sedimentation using flocculating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2405—Feed mechanisms for settling tanks
- B01D21/2411—Feed mechanisms for settling tanks having a tangential inlet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/245—Discharge mechanisms for the sediments
- B01D21/2472—Means for fluidising the sediments, e.g. by jets or mechanical agitators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/26—Separation of sediment aided by centrifugal force or centripetal force
- B01D21/262—Separation of sediment aided by centrifugal force or centripetal force by using a centrifuge
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/26—Separation of sediment aided by centrifugal force or centripetal force
- B01D21/265—Separation of sediment aided by centrifugal force or centripetal force by using a vortex inducer or vortex guide, e.g. coil
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Underground Or Underwater Handling Of Building Materials (AREA)
Abstract
The present invention relates to a kind of no rakes to select the dense sand warehouse of tailing, and the purpose is to solve the problems, such as that prior art Tailing thickening device structure is complicated, put that sand concentration is low and discharge is unsmooth.Including sand warehouse body, flocculation feed pipe, the center feed barrel with intermediate bulkhead, tailing feed pipe, overflow launder, annular settling cone, balladeur train fluidization equipment and double helix device for discharging.By using said structure design, stream is changed in sand warehouse flow field change, accelerates the flocculation reunion speed of subparticle tailing；Meanwhile sand technology is put by using machinery carriage fluidization, it realizes and smoothly puts sand under the conditions of highest underflow density.The present invention has outstanding advantages of small in size, structure is simple, manufacturing cost is low, thickening efficiency is high and underflow density is high.
Description
Technical field
The present invention relates to mine field of environment protection equipment, and in particular to a kind of no rake selects the dense sand warehouse of tailing.
Background technique
When the low concentration tailing of mine output in dressing Production Process carries out thickening, general use is had
The deep wimble thickener or vertical sand warehouse of harrow frame.In the bottom of concentrator or vertical sand warehouse, after tailings concentration reaches certain value,
The rheological behavior of slurry is in non-newtonian flow body characteristics, and yield stress is larger, it is difficult to realize smooth discharge.
The concentrator of the prior art generally uses complicated mud scraper to destroy this yield stress to realize high concentration
Ore drawing, there is structure is complicated, consuming power height, manufacturing cost, high and maintenance and repair complexity etc. is asked for mud scraper discharge way
Topic；For the tailing of high pressure solidity, there is also the hidden danger of pressure rake.
The vertical sand warehouse of the prior art generally using nozzle is added in orlop portion, is made using high pressure spray water nozzle fluidization
The technologies such as slurry, strength pulping or Pneumatic-hydraulic interlocked pulping realize that high concentration is discharged.High pressure spray water nozzle fluidization pulping can be made
It is reduced at the tailings concentration of discharge；Strength pulping then disturbs the effect of settling of tailing due to bubble rising, reduces dense speed
Rate；It is Pneumatic-hydraulic interlocked to make, have the adverse consequences for making the tailings concentration of discharge reduce and interfere tailing sedimentation to reduce dense rate concurrently.
Summary of the invention
Select the dense sand warehouse of tailing technical problem to be solved by the invention is to provide a kind of no rake, realize low concentration tailing into
Row thickening processing and smooth discharge.
The technical scheme to solve the above technical problems is that a kind of no rake selects the dense sand warehouse of tailing, including sand warehouse
Body, flocculation feed pipe, center feed barrel, tailing feed pipe, overflow launder, annular settling cone, balladeur train fluidization equipment and double spiral shells
Revolve device for discharging；The overflow launder is fixedly connected with the top side wall of the sand warehouse body；The center feed barrel is arranged described
It is fixedly connected at the intracorporal top center of sand warehouse and with the sand warehouse body, the center feed barrel is divided into top by annular partition
Feed zone and lower part mixed zone, the side wall of the mixed zone has at least one liquid outlet, the annular partition with it is described
Center feed barrel is coaxially disposed and is fixedly connected, and has gap between the annular partition and the side wall of the center feed barrel；
The tailing feed pipe is connected with the feed zone；The flocculation feed pipe is connected with the mixed zone；The annular is heavy
Drop cone is set to the underface in the sand warehouse body and being located at the center feed barrel；The bottom wall of the sand warehouse body has discharging
Mouthful, the balladeur train fluidization equipment is set to the top in the sand warehouse body and being located at the discharge port；The discharge port setting
There is the double helix device for discharging.
The beneficial effects of the present invention are: a kind of, to select the dense sand warehouse of tailing without rake be that a kind of novel tailings dewatering concentration is set
It is standby.The equipment eliminates the mud scraper and its transmission drive of traditional concentrator；Dense sand warehouse is bored using deep, enters tailing
Certainly suitable flocculant is diluted to after sand warehouse to play the concentration of optimum efficiency and be sufficiently mixed with flocculant, feed barrel and sand at center
Special flow field is formed in storehouse, realizes the flocculation conglomeration sedimentation of coarse grained gravity natural subsidence and fine fraction tailing；Using machine
Tool balladeur train fluidization blowing mode, can be under the premise of not reducing tailings concentration and not influencing dense effect, by balladeur train fluidisation dress
It sets and the big sand region of putting of compacted density is implemented disturbance fluidization and taken off to discharge port, its compacted density is made to reduce to reach to put
The unobstructed effect of sand.Double helix device for discharging has the function of clearing up adhered materials mutually, to prevent the higher fine fraction of viscosity
Tailings is adhered to the effect that conveying is not had on helical axis.The smooth row of high concentration tailing is realized by double helix device for discharging
It puts.
Specifically, tailing feed pipe is one end and the appearance that flocculant is housed for transporting low concentration tailing, flocculation feed pipe
The pipeline that device is connected.
Specifically, the overflow launder can be set inside or outside sand warehouse body, such as it is arranged in inside, then overflow weir is lower than
At the top of sand warehouse body；If be arranged in outside, overflow weir is served as in sand warehouse body upper edge, and overflow launder lateral wall should be higher than that sand warehouse at this time
At the top of body, and the side wall in sand warehouse body upper edge opens up several overflow holes.No matter overflow launder setting is inside sand warehouse body or outer
Should all there be the reflux pore for being provided with isopipe root in portion and be connected to external supernatant reflux line.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the tailing feed pipe is connected along the tangential direction of the center feed barrel with the center feed barrel
It connects, and is connected with the feed zone.
Beneficial effect using above-mentioned further scheme is: when low concentration tailing passes through tailing feed pipe along center feed barrel
Tangential direction when entering, stream forms rotating flow along the side wall of center feed barrel under the action of feeding pressure, along stream
Coarse granule is under the action of rotary centrifugal force along the side wall natural subsidence of center feed barrel；Fine fraction tailing then passes through annular partition
Center enter the mixed zone of center feed barrel lower part and the flocculant for the flocculation feed pipe outflow that the position is arranged in is sufficiently mixed
Then flocculating setting is closed, since large or fine granule uses different subsidence styles, ensure that flocculant to the group of fine fraction tailing
Poly- effect, flocculation efficiency are high.
Further, the center feed barrel is the open cylinder barrel shaped in top, and bottom wall is equipped with the upward circular cone of the vertex of a cone
Shape structure.
Beneficial effect using above-mentioned further scheme is: conical structure is mixing convenient for fine fraction tailing and flocculant
It is formed in the process and is vortexed and extends incorporation time, kept mixing more abundant, ensure that the dispersion effect of flocculant, be conducive to flocculate
Reunion of the agent to fine fraction tailing is discharged through liquid outlet after being adequately mixed and starts aggregation procedure.
Further, the upper edge of the center feed barrel is higher than upper edge and the top with sand warehouse body on the inside of the overflow launder
Along concordantly, the top of the center feed barrel has multiple flowing holes communicated with sand warehouse body, and the lower edge of the flowing hole is low
The lower edge of the upper edge on the inside of the overflow launder, the flowing hole is higher than the tailing feed pipe.
Beneficial effect using above-mentioned further scheme is: flowing hole is arranged on the feed barrel of center, due to debris tube
Input concentration and density are higher than the clarified solution on sand warehouse body top, and the liquid level that will cause center feed barrel is lower than the liquid level of clarified solution,
The clarified solution on sand warehouse body top can flow into center feed barrel by the flowing hole that center feed barrel top opens up at this time, play to tail
The diluting effect of mine enables tailings concentration to reach the optium concentration that flocculant plays best agglomeration, enhances flocculant
Agglomerating effect.
Further, the balladeur train fluidization equipment includes linear reciprocation driving device and balladeur train, the linear reciprocation driving
Device is fixedly connected with the side wall of the sand warehouse body, the output end of the linear reciprocation driving device be threaded through in sand warehouse body and with
The balladeur train is fixedly connected, and the balladeur train is horizontally placed on the top of the discharge port and the level on the bottom wall of the sand warehouse body
Straight reciprocating motion.
Beneficial effect using above-mentioned further scheme is: balladeur train moves under the drive of linear reciprocation driving device, no
The disconnected high concentration material disturbance by near discharge port is fluidized and is taken off to discharge port, and discharging is high-efficient, avoids blocking.
Further, the balladeur train is the intermediate oval frame with network, the long axis of the oval frame
Length is less than the diameter of sand warehouse body bottom, and the balladeur train is moved back and forth along the direction where its short axle；The network
Including the discharge cone and connecting rib being staggered, the discharge cone is vertical with the moving direction of the balladeur train, the discharge cone
Section be right angled triangle.
Beneficial effect using above-mentioned further scheme is: the balladeur train of network can greatly reduce forced area, reduce
Moving load；The ellipsoidal structure of balladeur train, which ensure that, to be had certain space in sand warehouse body and takes off material without dead angle；Discharging
When the triangular structure of right angle of cone can guarantee mobile to discharge port direction, the vertical surface of discharge cone preferably takes off material to out
Material mouth, and inclined-plane then efficiently reduces moving resistance.
Further, the top of the sand warehouse body is the open cylinder barrel shaped in top, and lower part is the downward taper barrel of the vertex of a cone,
The cone angle of the taper barrel is less than the angle of repose of Tailings Slurry maximum concentration.
Beneficial effect using above-mentioned further scheme is: using the lower part for being less than maximum concentration tailing test angle of repose
Cone design, make tailings hang power be greater than tailing and cone inner wall adhesive force, avoid tailings cone inner wall accumulate and
The possibility for tying arch, ensure that blanking and discharge are smooth.
Specifically, angle of repose, also makees angle of repose, it is that inclined-plane makes object placed on it be in the critical shape to glide along inclined-plane
When state, (i.e. as inclination angle increases, the object on inclined-plane will easier downslide with minimum angles formed by horizontal surface；Work as object
When body reaches the state for starting to glide, the angle of the critical state is known as angle of repose).
Further, annular settling cone is ring structure, and has interior inverted cone surface and the outer positive conical surface, the interior inverted cone surface and institute
It states and is connected at the top of the outer positive conical surface, and angle is 60 °, the lower section of the liquid outlet is correspondingly arranged at the top of the annular settling cone.
Beneficial effect using above-mentioned further scheme is: first is that increase the flocculating setting area of sand warehouse body, enhancing sedimentation
Effect；Second is that using on interior male cone (strobilus masculinus) tailing gather and longitudinal slip effect, formed have concentration difference flow field, accelerate clarified solution
Rise the sedimentation with floc sedimentation.
It further, further include decompression cone, the decompression cone is set in the sand warehouse body and is located at the balladeur train fluidization
The top of device, the decompression cone are correspondingly arranged in below the interior inverted cone surface.
Beneficial effect using above-mentioned further scheme is: decompression cone may make balladeur train forced area to reduce, and be effectively reduced
High concentration accumulates tailing to the pressure of its sand warehouse body lower part and balladeur train fluidization equipment.
It further, further include the annular fluidized pipe that the external wall of sand warehouse body lower cone is set, the annular fluidized pipe is external
Water source with certain pressure, sand warehouse body cone inner wall are fixedly connected with multiple fluidisation mouths.
Beneficial effect using above-mentioned further scheme is: when a kind of no rake selects the dense sand warehouse of tailing to stop discharge one
Restart discharge after the section time, the high-concentration tailings for being piled up in the conical surface in sand warehouse body can generate very big yield stress, lead at this time
The unidirectional nozzle water delivery for pumping clear water into ring pipe and passing through the intracorporal end of sand warehouse is crossed, so that the conical surface accumulates tail in sand warehouse body
The yield stress of mine destroys, and then obtains the effect of smooth blowing.It should be noted that after can be realized smooth discharge,
It can stop pumping, to guarantee that tailing is maintained within the scope of higher concentration.
Specifically, the fluidisation mouth is unidirectional fluidisation nozzles.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram that the dense sand warehouse of tailing is selected without rake of the present invention；
Fig. 2 is a kind of balladeur train fluidization equipment cross-sectional view that the dense sand warehouse of tailing is selected without rake of the present invention；
Fig. 3 is a kind of side view that the dense sand warehouse of tailing is selected without rake of the present invention；
Fig. 4 is a kind of balladeur train fluidization equipment top view that the dense sand warehouse of tailing is selected without rake of the present invention；
Fig. 5 is a kind of center feed barrel main view that the dense sand warehouse of tailing is selected without rake of the present invention；
Fig. 6 is a kind of center feed barrel top view that the dense sand warehouse of tailing is selected without rake of the present invention.
In attached drawing, parts list represented by the reference numerals are as follows:
1, flocculate feed pipe, 2, center feed barrel, 201, annular partition, 202, flowing hole, 3, tailing feed pipe, 4, overflow
Slot, 5, annular settling cone, 6, sand warehouse body, 7, decompression cone, 8, annular fluidized pipe, 9, balladeur train fluidization equipment, 10, double helix discharging
Device, 11, outlet tube, A, overflow area, B, decanting zone, C, compressional zone, D, storing area.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As shown in Figures 1 to 5, a kind of no rake selects the dense sand warehouse of tailing, including sand warehouse body 6, flocculation feed pipe 1, center are given
Charging basket 2, tailing feed pipe 3, overflow launder 4, annular settling cone 5, balladeur train fluidization equipment 9 and double helix device for discharging 10；
The overflow launder 4 is fixedly connected with the top side wall of the sand warehouse body 6；
The center feed barrel 2, which is arranged at the top center in the sand warehouse body 6 and fixes with the sand warehouse body 6, to be connected
It connects, the center feed barrel 2 divides the feed zone for top and the mixed zone of lower part by annular partition 201, the mixed zone
Side wall has at least one liquid outlet, and the annular partition 201 is coaxially disposed and is fixedly connected with the center feed barrel 2, institute
Stating has gap between annular partition 201 and the side wall of the center feed barrel 2；
The tailing feed pipe 3 is connected with the feed zone；
The flocculation feed pipe 1 is connected with the mixed zone；
The annular settling cone 5 is set in the sand warehouse body 6 and is located at the underface of the center feed barrel 2；
The bottom wall of the sand warehouse body 6 has discharge port, and the balladeur train fluidization equipment 9 is set in the sand warehouse body 6 simultaneously
Positioned at the top of the discharge port；
The discharge port is provided with the double helix device for discharging 10.
Specifically, there are two spiral feeding shaft, two spiral transferrings for tool in the shell of the double helix device for discharging 10
Expect projection section overlapping of the blade of axis on face perpendicular to the axis, the shell of the double helix device for discharging 10 has charging
Mouthful and discharge gate, the feed inlet be connected with the discharge port of the sand warehouse body 1, the double helix feeding device 10 and
The bottom of the sand warehouse body 1 is fixedly connected.
Specifically, the center feed barrel 2 is connect by steel structure support with the inner wall of the sand warehouse body 1；The annular
Settling cone 5 is connect by steel structure support with the inner wall of the sand warehouse body 1；Annular partition 201 passes through steel structure support and center
2 inner wall of feed barrel is fixedly connected and is coaxially disposed.The annular partition 201 is circular ring shape plate, that is to say, that the annular partition
With the plectane of through-hole centered on 201, the outer diameter of the annular partition 201 is less than the internal diameter of the center feed barrel 2, annular
There is gap between the outside and center feed barrel 2 of partition 201.
Specifically, annular settling cone 5 is the ring structure that section is in inverted " v " shape.
Specifically, the double helix device for discharging 10 is connected simultaneously by flange with the discharge port of the sand warehouse body 1
Connection.The double helix device for discharging 10 is driven by rotation drive device.The end of two spiral feeding shafts is solid respectively
Surely it is connected with intermeshing a pair of of gear, the output end of rotation drive device is fixedly connected with one of spiral feeding shaft.
Rotation drive device drives two spiral feeding shafts to rotate backward.The rotation drive device can be motor or hydraulic horse
It reaches or other rotation drive devices.
Specifically, the overflow launder 4 is the annular trough body that section is U-shaped.
As the further scheme of the present embodiment, the tailing feed pipe 3 along the center feed barrel 2 tangential direction with
The center feed barrel 2 is connected, and is connected with the feed zone.
As the further scheme of the present embodiment, the center feed barrel 2 is the open cylinder barrel shaped in top, and on bottom wall
Equipped with the upward conical structure of the vertex of a cone.
As the further scheme of the present embodiment, the upper edge of the center feed barrel 2 is higher than on 4 inside of overflow launder
Edge is simultaneously concordant with the upper edge of sand warehouse body 6, and the top of the center feed barrel 2 has multiple overcurrents communicated with sand warehouse body 6
Hole 202, the lower edge of the flowing hole 202 are lower than the 4 inside upper edge of overflow launder, and the lower edge of the flowing hole 202 is high
In the tailing feed pipe 3.
Specifically, in the present embodiment, the center feed barrel 2 may be: the upper edge of the center feed barrel 2 is low
In the 4 inside upper edge of overflow launder, the side wall of the center feed barrel 2 does not have flowing hole 202.The clarified solution at top can be with
Enter center feed barrel 2 from the top of center feed barrel 2.Preferred embodiment in the present embodiment are as follows: the center feed barrel 2 it is upper
Edge, which is higher than the 4 inside upper edge of overflow launder and side wall, has a flowing hole 202, flowing hole 202 can limit into center to
The flow of the clarified solution of charging basket 2 avoids excessive clarified solution from entering center feed barrel 2, makes the concentration of tailing in center feed barrel 2
In the range of maintaining suitable flocculating setting.
As the further scheme of the present embodiment, the balladeur train fluidization equipment 9 includes linear reciprocation driving device and cunning
Frame, the linear reciprocation driving device are fixedly connected with the side wall of the sand warehouse body 6, the output of the linear reciprocation driving device
End is threaded through in sand warehouse body 6 and is fixedly connected with the balladeur train, the balladeur train be horizontally placed on the top of the discharge port and
Horizontal linear moves back and forth on the bottom wall of the sand warehouse body 6.
Specifically, as depicted in figs. 1 and 2, the linear reciprocation driving device can be hydraulic cylinder, cylinder or straight-line electric
Machine.The side wall of sand warehouse body 6 has mounting hole, and the cylinder body or motor housing of the linear reciprocation driving device are threaded through in mounting hole
And be fixedly connected with mounting hole, it is additionally provided with seal receptacle between the cylinder body or motor housing and mounting hole of linear reciprocation driving device,
The drive rod of linear reciprocation driving device is fixedly connected with balladeur train, and balladeur train is driven to move back and forth.
As the further scheme of the present embodiment, the balladeur train is the intermediate oval frame with network, described
The length of the long axis of oval frame is less than the diameter of 6 bottom of sand warehouse body, and the balladeur train is past along the direction where its short axle
Multiple movement；The network includes the discharge cone and connecting rib being staggered, and the section of the discharge cone is right angle trigonometry
Shape, the vertical surface of the discharge cone is towards balladeur train short axle.
Specifically, including at least two discharge cones, at least one described discharge cone is located at the one of the balladeur train long axis
Side, at least one described discharge cone are located at the other side of the balladeur train long axis, and the bevel edge of the right angled triangle is directed away from institute
State the side of balladeur train long axis.
Specifically, discharge cone and connecting rib are arranged in a mutually vertical manner and are mutually permanently connected, the both ends of discharge cone and ellipse
Shape frame inner wall is fixedly connected, and the both ends of connecting rib are fixedly connected with oval frame inner wall.
Specifically, a wherein right-angle side for the right angled triangle is horizontally disposed, connect with the bottom wall of the sand warehouse body 6
Touching, another right-angle side is vertically arranged, towards the balladeur train long axis.
As the further scheme of the present embodiment, the top of the sand warehouse body 1 is cylinder barrel shaped with a closed top, and lower part is
The downward taper barrel of the vertex of a cone, the cone angle of the taper barrel are less than the angle of repose of tailing.
As the further scheme of the present embodiment, annular settling cone 5 is ring structure, and has interior inverted cone surface and outer positive cone
It is connected at the top of face, the interior inverted cone surface and the outer positive conical surface, and angle is 60 °, is correspondingly arranged at the top of the annular settling cone 5
In the lower section of the liquid outlet.
Specifically, further including at least one outlet tube 11, one end of the outlet tube 11 and the outside of the liquid outlet are solid
Surely it is connected to and in communication with, is correspondingly arranged at the top of annular settling cone 5 and the other end center of the outlet tube 11.Specifically, institute
State outlet tube 11 be it is multiple, the liquid outlet be it is multiple, multiple outlet tubes 11 are set along the radial direction of the center feed barrel 2
It sets, the center of the other end of multiple outlet tubes 11 is located on the same circumference, and the circumference and center feed barrel 2 are coaxial,
The annular settling cone 5 is coaxially disposed with center feed barrel 2, the diameter of annular 5 vertex of a cone of settling cone and multiple outlet tubes 11
The other end center be formed by circumference diameter it is identical.
It further include decompression cone 7 as the further scheme of the present embodiment, the decompression cone 7 is set in the sand warehouse body 6
And it is located at the top of the balladeur train fluidization equipment 9, the decompression cone 7 is correspondingly arranged in below the interior inverted cone surface.
Specifically, the decompression cone 7 is the hollow conical shell that cone angle a is 60 °, the diameter of cone base is sand warehouse body 6
The half of the diameter of bottom.
It further include annular fluidized pipe 8 as the further scheme of the present embodiment, annular fluidized 8 external water source of pipe,
Side wall is fixedly connected with multiple fluidisation mouths, and the annular fluidized pipe 8 is set in the outside of the 6 lower part cone of sand warehouse body, described
It is connected in fluidisation mouth and the sand warehouse body 6.
Specifically, 8 side wall of annular fluidized pipe has water inlet, it further include water pump, the water inlet of the water pump passes through
Pipeline is connected with external water tank by pipeline, and the water outlet of the water pump is connected with the water inlet by pipeline, is needed
Will be into sand warehouse body 6 plus when water, the water in water tank is pumped into sand warehouse body 6 by fluidisation mouth by water pump.
Specifically, the fluidisation mouth is unidirectional fluidisation nozzles.
Specifically, the annular fluidized pipe 8 is at least one, at least one described annular fluidized pipe 8 is arranged in parallel
In the outside of the 6 lower part cone of sand warehouse body.
It further include supporting leg, the supporting leg is fixedly connected with the outer wall of the sand warehouse body 1.For the support of sand warehouse body 1 and solid
It is fixed.
After low concentration tailing enters the dense sand warehouse regular hour, the self-assembling formation overflow area A, heavy from top to bottom in sand warehouse
Area B, compressional zone C and storing area D drop.
Overflow area A is microparticle suspension (clarified solution) aggregation zone for not being flocculated sedimentation and escaping, mass concentration base
Originally it is equal to clear water；Decanting zone B is coarse granule tailing rapid subsidence, the main region of subparticle flocculation conglomeration；In compressional zone C
Interior, subparticle is basically completed flocculation conglomeration and coarse granule tailing generates vertical sedimentation jointly；In the D of storing area, natural gravity
The mutual superimposed compression layer for forming a solid particle of fine fraction tailing of the coarse fraction tailing and flocculation conglomeration sedimentation of sedimentation,
In this region, sinking speed becomes very small, contacts with each other, supports and squeezes between solid particle.Upper layer solid particle pair
Lower layer's solid generates compression, causes the water in lower layer's solid particle gap to be extruded rising, from top to bottom solid contact stress
It improves rapidly, solid concentration also progressivelyes reach maximum.
The present invention designs the dense sand warehouse constituted by special structure, makes the low concentration tail into center feed barrel 2
Mine and flocculant generate the flow field for being conducive to flocculation conglomeration in the sand warehouse body, are generated by the concentration difference and current difference in the flow field
Be vortexed interference, causes to play particle pushing and the environment of acceleration, promote subparticle and flocculant combination and micro-
Flocculation reunion between grain is grown up.
Low concentration tailing through tailing feed pipe 3 enter center feed barrel 2 after, along 2 side wall tangential direction of center feed barrel into
Enter feed zone.In the feed zone, coarse fraction tailing realizes that gravity is heavy along 2 side wall of center feed barrel by the centrifugal force of charging
It falls；The through-hole at center that low concentration tailing passes through annular partition 201 enters the mixed zone of 2 lower part of center feed barrel and setting exists
Then the flocculant of position outflow, which is sufficiently mixed, to be settled.Tailing after flocculation is discharged from liquid outlet.Further it is located at center
The annular settling cone 5 of 2 lower part of feed barrel shunts, and distributes in the better quality concentration and stream of male cone (strobilus masculinus) in annular settling cone 5
The stream of speed.
Correspondingly, in other decanting zone B areas far from 5 male cone (strobilus masculinus) of annular settling cone, then because of the mass concentration of tailing
It is lower with flow velocity, current difference is generated, and then generate vortex flow field.And this vortex flow field then accelerates the fortune of subparticle tailing
Dynamic rate makes to generate interference in infall process between particle and particle, play the combination for promoting subparticle and flocculant and
The effect that reunion between microparticle is grown up.Meanwhile solid concentration is lower in the B of the decanting zone, solid particle rapid decrease, sedimentation
In the process between particle and particle generate interference, also function to promote microparticle reunite grow up so that accelerated sedimentation effect.
In the space in 6 central upper portion feed barrel of sand warehouse body, 2 outside, the low concentration microparticle self-assembling formation suspension of rising is poly-
Collect region, be conducive to the flocculation conglomeration of flocculant and microparticle, the cotton-shaped tailing of group after conglomeration is with the landing of its gravity natural subsidence
To annular settling cone 5 and continue to settle.Flow field is formed by because concentration is different in this process and accelerates this flowing exchange
Process, so that the concentration process of tailing is accelerated.
In the compressional zone C and storing area D of annular 5 lower part of settling cone to sand warehouse body bottom, the coarse fraction of natural gravity sedimentation
Tailing and the mutual superimposed compression layer for forming a solid particle of the fine fraction tailing of flocculation conglomeration sedimentation, in this region,
Sinking speed becomes very small, contacts with each other, supports and squeezes between solid particle.Upper layer solid particle generates lower layer's solid
Compression causes the water in lower layer's solid particle gap to be extruded rising, and solid contact stress improves rapidly from top to bottom, solid
Concentration also progressivelyes reach maximum.
Clarified solution a part in the A of overflow area enters center feed barrel 2 along flowing hole 202.The suspension of the low concentration
It feeds, is further diluted by center feed barrel 2 and feeds material, so that the sedimentation of tailing is closer to natural subsidence, thus
Increase sinking speed.Another part clarified solution in the A of overflow area enters overflow launder, and is arranged by the overflow hole of sand warehouse body sidewall
Out.
In the description of the present invention, it should be noted that term " on ", "lower", "front", "rear", "left", "right", "inner",
The orientation or positional relationship of the instructions such as "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing this hair
Bright and simplified description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation
Construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " are used for description purposes only,
It is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.In addition, in the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or two
More than.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of no rake selects the dense sand warehouse of tailing, which is characterized in that including sand warehouse body (6), flocculation feed pipe (1), center feed
Bucket (2), tailing feed pipe (3), overflow launder (4), annular settling cone (5), balladeur train fluidization equipment (9) and double helix discharging dress
Set (10)；
The overflow launder (4) is fixedly connected with the top side wall of the sand warehouse body (6)；
The center feed barrel (2), which is arranged at the top center in the sand warehouse body (6) and fixes with the sand warehouse body (6), to be connected
It connects, the center feed barrel (2) is divided into the feed zone on top and the mixed zone of lower part, the mixing by annular partition (201)
The side wall in area has at least one liquid outlet, and the annular partition (201) and the center feed barrel (2) are coaxially disposed and fix
Connection has gap between the annular partition (201) and the side wall of the center feed barrel (2)；
The tailing feed pipe (3) is connected with the feed zone；
The flocculation feed pipe (1) is connected with the mixed zone；
The annular settling cone (5) is set to the underface in the sand warehouse body (6) and being located at the center feed barrel (2)；
The bottom wall of the sand warehouse body (6) has discharge port, and the balladeur train fluidization equipment (9) is set in the sand warehouse body (6)
And it is located at the top of the discharge port；
The discharge port is provided with the double helix device for discharging (10).
2. a kind of no rake selects the dense sand warehouse of tailing according to claim 1, which is characterized in that tailing feed pipe (3) edge
The tangential direction of the center feed barrel (2) is connected with the center feed barrel (2), and is connected with the feed zone.
3. a kind of no rake selects the dense sand warehouse of tailing according to claim 1, which is characterized in that the center feed barrel (2) is
The open cylinder barrel shaped in top, and bottom wall is equipped with the upward conical structure of the vertex of a cone.
4. a kind of no rake selects the dense sand warehouse of tailing according to claim 1, which is characterized in that the center feed barrel (2)
Upper edge is higher than upper edge and, the center feed barrel (2) concordant with the upper edge of sand warehouse body (6) on the inside of the overflow launder (4)
Top there are multiple flowing holes (202) communicated with sand warehouse body (6), the lower edge of the flowing hole (202) is excessive lower than described
The lower edge of upper edge on the inside of chute (4), the flowing hole (202) is higher than the tailing feed pipe (3).
5. a kind of no rake selects the dense sand warehouse of tailing according to claim 1, which is characterized in that the balladeur train fluidization equipment
It (9) include linear reciprocation driving device and balladeur train, the fixed company of the side wall of the linear reciprocation driving device and the sand warehouse body (6)
It connects, the output end of the linear reciprocation driving device is threaded through in sand warehouse body (6) and is fixedly connected with the balladeur train, the balladeur train
It is horizontally placed on the top of the discharge port and horizontal linear moves back and forth on the bottom wall of the sand warehouse body (6).
6. a kind of no rake selects the dense sand warehouse of tailing according to claim 5, which is characterized in that the balladeur train is intermediate with net
The oval frame of lattice structure, the balladeur train are moved back and forth along the direction where its short axle；The network includes staggeredly setting
The discharge cone and connecting rib set, the discharge cone is vertical with the moving direction of the balladeur train, and the section of the discharge cone is straight
Angle triangle.
7. a kind of no rake selects the dense sand warehouse of tailing according to claim 1, which is characterized in that the top of the sand warehouse body (1)
For the open cylinder barrel shaped in top, lower part is the downward taper barrel of the vertex of a cone, and the cone angle of the taper barrel is less than the peace of tailing
Cease angle.
8. a kind of no rake selects the dense sand warehouse of tailing according to claim 1, which is characterized in that annular settling cone (5) is annular
Structure, and there is interior inverted cone surface and the outer positive conical surface, it is connected at the top of the interior inverted cone surface and the outer positive conical surface, and angle is 60 °,
The lower section of the liquid outlet is correspondingly arranged at the top of the annular settling cone (5).
9. a kind of no rake selects the dense sand warehouse of tailing according to claim 8, which is characterized in that it further include decompression cone (7), it is described
Decompression cone (7) is set to the top in the sand warehouse body (6) and being located at the balladeur train fluidization equipment (9), and (7) are bored in the decompression
It is correspondingly arranged in below the interior inverted cone surface.
10. a kind of any one of -9 no rakes select the dense sand warehouse of tailing according to claim 1, which is characterized in that further include annular
Fluidisation pipe (8), annular fluidized pipe (8) external water source, side wall are fixedly connected with multiple fluidisation mouths, the annular fluidized pipe
(8) it is set in the outside of sand warehouse body (6) lower part, is connected in the fluidisation mouth and the sand warehouse body (6).
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| CN201910435613.0A CN110152359A (en) | 2019-05-23 | 2019-05-23 | A kind of no rake selects the dense sand warehouse of tailing |
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| CN201910435613.0A CN110152359A (en) | 2019-05-23 | 2019-05-23 | A kind of no rake selects the dense sand warehouse of tailing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110935203A (en) * | 2019-12-13 | 2020-03-31 | 安徽理工大学 | Rake-free concentration device comprising driving area |
| CN113069798A (en) * | 2021-05-18 | 2021-07-06 | 中钢集团马鞍山矿山研究总院股份有限公司 | Vertical flow sedimentation tank with functions of inhibiting feeding disturbance and adjusting sedimentation time |
| CN113860449A (en) * | 2021-09-30 | 2021-12-31 | 内蒙古大中矿业股份有限公司 | Efficient tailing sedimentation method for tailing filling |
| CN113908594A (en) * | 2021-10-12 | 2022-01-11 | 怀化辰州机械有限责任公司 | Tailing slurry precipitation separation and reconstruction method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL58255A0 (en) * | 1978-10-10 | 1979-12-30 | Dorr Oliver Inc | Sedimentation apparatus |
| CN2907906Y (en) * | 2006-05-24 | 2007-06-06 | 威海市海王旋流器有限公司 | Cyclone clarificator |
| CN202844657U (en) * | 2012-10-11 | 2013-04-03 | 北京科技大学 | Device for preventing deep-cone thickener from harrow pressing |
| CN203343362U (en) * | 2013-07-05 | 2013-12-18 | 广西玉林玉柴工业化工有限公司 | Buffering and concentration tank for casting waste sand |
| CN104208923A (en) * | 2014-09-16 | 2014-12-17 | 天津大学 | Feeding well device for thickener |
| CN204034334U (en) * | 2014-08-20 | 2014-12-24 | 中冶北方（大连）工程技术有限公司 | Filling system sand storehouse material feeding system |
| CN104524824A (en) * | 2015-01-20 | 2015-04-22 | 北矿机电科技有限责任公司 | Feeding device of thickener |
| CN207270780U (en) * | 2017-02-03 | 2018-04-27 | 北京华德创业环保设备有限公司 | The flat vertical concentrator of harrow frame fluidisation type |
| CN207356640U (en) * | 2017-10-23 | 2018-05-15 | 宝莫（北京）环保科技有限公司 | A kind of sulfur-bearing industrial wastewater desulfurization device |
| CN210302532U (en) * | 2019-05-23 | 2020-04-14 | 北京金诚信矿山技术研究院有限公司 | Rake-free tailing concentration sand silo |
-
2019
- 2019-05-23 CN CN201910435613.0A patent/CN110152359A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL58255A0 (en) * | 1978-10-10 | 1979-12-30 | Dorr Oliver Inc | Sedimentation apparatus |
| CN2907906Y (en) * | 2006-05-24 | 2007-06-06 | 威海市海王旋流器有限公司 | Cyclone clarificator |
| CN202844657U (en) * | 2012-10-11 | 2013-04-03 | 北京科技大学 | Device for preventing deep-cone thickener from harrow pressing |
| CN203343362U (en) * | 2013-07-05 | 2013-12-18 | 广西玉林玉柴工业化工有限公司 | Buffering and concentration tank for casting waste sand |
| CN204034334U (en) * | 2014-08-20 | 2014-12-24 | 中冶北方（大连）工程技术有限公司 | Filling system sand storehouse material feeding system |
| CN104208923A (en) * | 2014-09-16 | 2014-12-17 | 天津大学 | Feeding well device for thickener |
| CN104524824A (en) * | 2015-01-20 | 2015-04-22 | 北矿机电科技有限责任公司 | Feeding device of thickener |
| CN207270780U (en) * | 2017-02-03 | 2018-04-27 | 北京华德创业环保设备有限公司 | The flat vertical concentrator of harrow frame fluidisation type |
| CN207356640U (en) * | 2017-10-23 | 2018-05-15 | 宝莫（北京）环保科技有限公司 | A kind of sulfur-bearing industrial wastewater desulfurization device |
| CN210302532U (en) * | 2019-05-23 | 2020-04-14 | 北京金诚信矿山技术研究院有限公司 | Rake-free tailing concentration sand silo |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110935203A (en) * | 2019-12-13 | 2020-03-31 | 安徽理工大学 | Rake-free concentration device comprising driving area |
| CN110935203B (en) * | 2019-12-13 | 2020-10-20 | 安徽理工大学 | Rake-free concentration device comprising driving area |
| CN113069798A (en) * | 2021-05-18 | 2021-07-06 | 中钢集团马鞍山矿山研究总院股份有限公司 | Vertical flow sedimentation tank with functions of inhibiting feeding disturbance and adjusting sedimentation time |
| CN113860449A (en) * | 2021-09-30 | 2021-12-31 | 内蒙古大中矿业股份有限公司 | Efficient tailing sedimentation method for tailing filling |
| CN113908594A (en) * | 2021-10-12 | 2022-01-11 | 怀化辰州机械有限责任公司 | Tailing slurry precipitation separation and reconstruction method |
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