CN117695715A - Tailing separating and treating device and method - Google Patents
Tailing separating and treating device and method Download PDFInfo
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- CN117695715A CN117695715A CN202410166865.9A CN202410166865A CN117695715A CN 117695715 A CN117695715 A CN 117695715A CN 202410166865 A CN202410166865 A CN 202410166865A CN 117695715 A CN117695715 A CN 117695715A
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- thickener
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- feeding barrel
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000002562 thickening agent Substances 0.000 claims abstract description 72
- 238000000926 separation method Methods 0.000 claims abstract description 26
- 239000008394 flocculating agent Substances 0.000 claims description 54
- 238000002156 mixing Methods 0.000 claims description 46
- 239000003814 drug Substances 0.000 claims description 37
- 238000001514 detection method Methods 0.000 claims description 34
- 230000001105 regulatory effect Effects 0.000 claims description 21
- 239000002245 particle Substances 0.000 claims description 19
- 239000007787 solid Substances 0.000 claims description 19
- 238000005086 pumping Methods 0.000 claims description 18
- 230000001502 supplementing effect Effects 0.000 claims description 17
- 230000008569 process Effects 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000006185 dispersion Substances 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 5
- 239000011707 mineral Substances 0.000 claims description 5
- 239000011268 mixed slurry Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 1
- 235000017491 Bambusa tulda Nutrition 0.000 claims 1
- 241001330002 Bambuseae Species 0.000 claims 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 1
- 239000011425 bamboo Substances 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 2
- 239000002002 slurry Substances 0.000 description 9
- 229940079593 drug Drugs 0.000 description 6
- 238000004062 sedimentation Methods 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001647 drug administration Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007921 spray 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
- B01D21/01—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
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2405—Feed mechanisms for settling tanks
- B01D21/2416—Liquid distributors with a plurality of feed points
-
- 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
- B01D21/30—Control equipment
- B01D21/302—Active control mechanisms with external energy, e.g. with solenoid valve
-
- 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
- B01D21/30—Control equipment
- B01D21/32—Density control of clear liquid or sediment, e.g. optical control ; Control of physical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Paper (AREA)
Abstract
The invention belongs to the technical field of filtering separation equipment, in particular to a tailing separating and treating device and a tailing separating and treating method, comprising a thickener main body, wherein an overflow groove is formed in the thickener main body; the multi-stage ore feeding assembly is used for adjusting the feeding rate of ore pulp into the thickener body; the feedback adjusting component is arranged on the ore feeding cylinder and adjusts the feeding efficiency of the dispersing pipe according to the concentration of ore pulp in the thickener body; according to the invention, the multistage ore feeding assembly is arranged, and is matched with the feedback adjusting assembly, so that the accuracy of detecting the concentration distribution of the ore pulp in the thickener body is enhanced when the concentration of the ore pulp in the thickener body is detected.
Description
Technical Field
The invention belongs to the technical field of filtering separation equipment, and particularly relates to a tailing separating and treating device and method.
Background
The thickener is solid-liquid separation equipment based on gravity sedimentation, and in the separation treatment process of tailings, the high-efficiency thickener can forcefully enhance the treatment work of the tailings and greatly quicken the progress of the tailings treatment work.
When settling solid particles in tailings, the thickener generally enhances the settling rate of the solid particles in the tailings by adding a flocculating agent, when adding tailings slurry and flocculating agents, the different types and concentrations of tailings slurry need to be added with a certain difference in flocculating agent content, and due to the unstable concentration of the tailings slurry to be treated, the adding amount of the flocculating agent is too much or too little, when the adding amount of the flocculating agent is too much, sediment hardening is easy to be caused, when the adding amount of the flocculating agent is too little, the problem of lower settling efficiency of the solid particles is easy to be caused, and due to the fact that the depth of the thickener is large, after adding the flocculating agent, the flocculating agent body has a settling trend, so that the flocculating agent content of different liquid levels in the thickener is different, and therefore the determining of the flocculating agent content is not clear enough, and the determining of the adding amount of the flocculating agent is difficult.
The invention discloses an intelligent mineral separation thickener, the application number of which is 2023111763975, and discloses a method for sampling ore pulp through a plurality of sampling layers so as to enhance the judgment accuracy of the concentration of a flocculating agent in the thickener, however, the scheme is found when being implemented, because the position change degree uniformity of sampling equipment is poor, larger errors exist in a measurement result, and meanwhile, after detection data are obtained, the direct adjustment of the proportion of flocculating agent and tailings of various layers cannot be carried out, so that the adjustment of the concentration of the flocculating agent and the tailings in the thickener is troublesome.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art that is known to a person skilled in the art.
Disclosure of Invention
In order to overcome the defects in the prior art and solve the technical problems, the invention provides a tailing separating and treating device and method.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a tailing separating and treating device, which comprises a thickener main body, wherein an overflow groove is formed in the thickener main body;
the multi-stage ore feeding assembly is used for adjusting the feeding rate of ore pulp into the thickener body;
the multistage ore feeding assembly comprises an ore feeding barrel, the ore feeding barrel is rotatably arranged in the inner cavity of the main body of the thickener, and the ore feeding barrel is externally connected with tailing pumping equipment;
the dispersing pipe is fixedly arranged on the ore feeding barrel, is connected with the ore feeding barrel in a conducting way and is uniformly provided with holes;
the plurality of dispersing pipes are axially arranged along the ore feeding barrel, and the plurality of dispersing pipes are circumferentially arranged along the ore feeding barrel;
a driving motor, a mounting rack is arranged on the thickener main body, the driving motor is fixedly arranged on the mounting frame, and the output end of the driving motor is connected with the ore feeding barrel;
the feedback adjusting component is arranged on the ore feeding cylinder and adjusts the feeding efficiency of the dispersing pipe according to the concentration of ore pulp in the thickener body;
the feedback adjusting component comprises detection pipes, the detection pipes are in one-to-one correspondence with the dispersing pipes, the detection pipes are fixedly arranged on the dispersing pipes, and the detection pipes are used for extracting tailings in the thickener main body;
the detector is arranged on the ore feeding barrel and is connected with the detection pipe in a conducting mode, and the detector is used for detecting the concentration of ore pulp.
Preferably, the feedback adjusting assembly further comprises a conduction valve, the conduction valve is fixedly arranged between the dispersing pipe and the ore feeding barrel, a lifting groove is formed in the conduction valve, a valve plate is slidably arranged in the lifting groove, and the valve plate is used for adjusting the conduction efficiency of the conduction valve;
the electric telescopic rods are in one-to-one correspondence with the detectors, and are electrically connected with the detectors, and the electric telescopic rods adjust the telescopic length according to detection data of the detectors under the control of a preset program.
Preferably, the ore feeding device further comprises a medicine supplementing assembly, wherein the medicine supplementing assembly is used for supplementing flocculant into the ore feeding barrel;
the medicine supplementing assembly comprises a medicine feeding cylinder, wherein the medicine feeding cylinder is arranged on the ore feeding cylinder, and the medicine feeding cylinder is externally connected with flocculant pumping equipment;
the mixing cavity is formed in the ore feeding barrel and is in one-to-one correspondence with the dispersing pipes, the mixing cavity is externally connected with tailing conveying equipment through the ore feeding pipe, and the ore feeding barrel is in conductive connection with the mixing cavity through the medicine feeding pipe.
Preferably, the administration tube is a unidirectional conduction tube.
Preferably, the administration tube extends into the mixing chamber opposite the administration tube opening.
Preferably, the medicine feeding cylinder is internally provided with speed regulating grooves, the speed regulating grooves correspond to the medicine feeding pipes one by one, the speed regulating grooves are in conductive connection with the medicine feeding pipes, the speed regulating grooves are internally provided with regulating plates through springs in an elastic mode, and the regulating plates are connected with the valve plates through steel wires.
Preferably, the ore feeding barrel is provided with a circulating pump, the detection pipe is a three-way pipe, the detection pipe is connected with the circulating pump in a conducting way, and the output end of the circulating pump extends into the mixing cavity.
Preferably, the ore feeding barrel is provided with a mounting groove, the mounting groove is designed on the top end opening of the ore feeding barrel, the circulating pump, the detector and the ore feeding barrel are all arranged in the mounting groove, the mounting rack is provided with a penetrating groove, and the penetrating groove is connected with the mounting groove in a conducting way.
Preferably, the dispersion pipe is fixedly provided with a drainage groove, and the drainage groove is obliquely upwards arranged.
A tailings separation treatment method, comprising the steps of:
s1, mixing tailings and a flocculating agent, pumping the mixed tailings into an ore feeding barrel through a tailings pumping device, and further adjusting the proportion of the tailings and the flocculating agent in a mixing cavity in the ore feeding barrel;
s2, continuously extracting tailings of each level in the thickener body by the feedback adjusting component, detecting the pulp concentration of the tailings, and respectively adjusting the opening degree of the corresponding on valve of each level under the cooperation of a preset program;
s3, in the process of adjusting the opening degree of the on-valve, the steel wire rope is used for linkage, so that the rate of supplementing the flocculant by the chemical supplementing assembly is adjusted, and finally, the proportion of tailings and the flocculant in each mixing cavity is determined;
s4, the mixed slurry of the tailings and the flocculating agent after adjustment in the mixing cavity flows into a conducting valve and a dispersing pipe in sequence and finally flows into the main body of the thickener, so that the adjustment of the concentration of ore pulp in the main body of the thickener is realized, and meanwhile, solid particles and the flocculating agent are combined and then settled to the bottom of the thickener;
s5, under the action of a harrow transmission device and a discharging device which are arranged in the thickener main body, the concentrated tailings are conveyed into a filter press for further dewatering, and then the separation operation of solid particles in the tailings and water is completed.
The beneficial effects of the invention are as follows:
1. according to the tailing separating and treating device and method, the multistage ore feeding assembly is arranged and matched with the feedback adjusting assembly, when the ore pulp concentration of tailings in the main body of the thickener is detected, the tailings of a plurality of levels are detected respectively, in the detection process, the rotation movement of the dispersing pipe promotes the extraction uniformity of the tailings of each level to be higher, the accuracy of detecting the ore pulp concentration distribution in the main body of the thickener is further effectively enhanced, and the addition proportion of the flocculating agent is further conveniently adjusted by staff.
2. According to the tailing separating and treating device and method, through adjustment, in the level with lower tailing pulp concentration, the feeding rate of the tailings is high, the tailings and the flocculating agent are conveniently and rapidly supplemented into the level, so that the tailing concentration in the level is rapidly increased, rapid sedimentation of solid particles is realized through the flocculating agent with higher proportion, in the level with higher tailing pulp concentration, the feeding rate of the tailings is relatively low, the condition that the fluctuation degree of the tailing pulp in the level is too high, the probability of crushing the combination of the flocculating agent and the solid particles is reduced is effectively avoided, after adjustment for a certain time, the tailing pulp concentration of each level of tailings is rapidly approximated, further, the tailing distribution uniformity degree in a thickener main body is increased, and the addition proportion of the flocculating agent is conveniently adjusted by staff.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of a tailings separation treatment apparatus of the present invention;
FIG. 2 is a partial perspective view of the tailings separation treatment apparatus;
FIG. 3 is a partial structural split view of the tailings separation treatment apparatus;
FIG. 4 is a cross-sectional view of a tailings separation treatment apparatus;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
FIG. 6 is a cross-sectional view of the pass valve;
FIG. 7 is a process flow diagram of a tailings separation process;
in the figure: 1. a thickener body; 11. an overflow trough; 12. a mounting frame; 13. a through groove; 2. a feeding barrel; 21. a dispersion tube; 22. a driving motor; 23. a detection tube; 24. a detector; 25. a valve is conducted; 26. a lifting groove; 27. a valve plate; 28. an electric telescopic rod; 29. a mounting groove; 3. a cartridge; 31. a mixing chamber; 32. a feeding tube; 33. a drug administration tube; 4. a speed regulating groove; 41. an adjusting plate; 42. a wire rope; 43. a circulation pump; 5. drainage groove.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 7, the tailings separation treatment device of the present invention comprises a thickener body 1, wherein an overflow groove 11 is formed on the thickener body 1;
the multi-stage ore feeding assembly is used for adjusting the feeding rate of ore pulp into the thickener body 1;
the multistage ore feeding assembly comprises an ore feeding barrel 2, the ore feeding barrel 2 is rotatably arranged in the inner cavity of the thickener body 1, and the ore feeding barrel 2 is externally connected with tailing pumping equipment;
the dispersing pipe 21 is fixedly arranged on the ore feeding barrel 2, the dispersing pipe 21 is in conductive connection with the ore feeding barrel 2, and the dispersing pipe 21 is uniformly provided with holes;
a plurality of the dispersion pipes 21 are arranged along the axial direction of the feed cylinder 2, and a plurality of the dispersion pipes 21 are arranged along the circumferential direction of the feed cylinder 2;
the thickener comprises a driving motor 22, wherein a mounting frame 12 is mounted on a thickener body 1, the driving motor 22 is fixedly mounted on the mounting frame 12, and the output end of the driving motor 22 is connected with a feeding barrel 2;
the feedback adjusting component is arranged on the ore feeding cylinder 2 and adjusts the feeding efficiency of the dispersing pipe 21 according to the concentration of ore pulp in the thickener body 1;
the feedback adjusting component comprises detection pipes 23, the detection pipes 23 are in one-to-one correspondence with the dispersing pipes 21, the detection pipes 23 are fixedly arranged on the dispersing pipes 21, and the detection pipes 23 are used for extracting tailings in the thickener main body 1;
the detector 24 is arranged on the ore feeding barrel 2, the detector 24 is connected with the detection pipe 23 in a conducting way, and the detector 24 is used for detecting the concentration of ore pulp;
in the invention, when the tailings are concentrated by the thickener, the tailings are fed into the thickener main body 1 in layers, the concentration of ore pulp of the multi-layer deep tailings in the thickener main body 1 is detected in real time, the mixing proportion of the pumped tailings and flocculating agent is adjusted after the concentration distribution of each layer of the tailings in the thickener main body 1 is known, so that the distribution uniformity of the flocculating agent and the tailings is effectively enhanced, and the sedimentation effect of solid particles in the tailings is enhanced;
specifically, when the tailings are actually concentrated, the tailings are mixed with a certain proportion of flocculating agent in the tailings conveying process, and then pumped into the ore feeding cylinder 2 through the tailings pumping equipment, and flow into the multi-stage dispersing pipe 21 along the ore feeding cylinder 2, and flow into the thickener main body 1 through the openings on the dispersing pipe 21, meanwhile, in the tailings pumping process, the driving motor 22 is started, the driving motor 22 directly drives the ore feeding cylinder 2 to rotate, the dispersing pipe 21 distributed on the ore feeding cylinder 2 is driven to rotate, the dispersing pipe 21 continuously sprays tailings in the rotating process, so that the tailings are uniformly added into the thickener main body 1, and in the rotating process of the dispersing pipe 21, the detector 24 extracts the tailings in the detecting pipe 23, the detector 24 adopted in the invention is a pulp concentration tester with a pump body, and after the detector 24 is started, the tailings of each level in the thickener main body 1 are extracted through the detecting pipe 23, and the tailings concentration of each level is detected, and finally the whole thickener concentration distribution is output, so that workers can conveniently adjust the input tailings and the proportion of the flocculating agent to the thickener main body 1, and the proportion of the flocculating agent in the thickener is reasonably used;
according to the invention, the multistage ore feeding assembly is arranged and matched with the feedback adjusting assembly, when the ore pulp concentration of the tailings in the thickener body 1 is detected, the tailings in a plurality of levels are detected respectively, and in the detection process, the rotary motion of the dispersing pipe 21 promotes the extraction uniformity of the tailings in each level to be higher, so that the accuracy of detecting the ore pulp concentration distribution in the thickener body 1 is effectively enhanced, and the addition proportion of the flocculant is convenient for staff to adjust.
As a preferred embodiment of the present invention, the feedback adjustment assembly further includes a conducting valve 25, the conducting valve 25 is fixedly installed between the dispersing pipe 21 and the ore feeding barrel 2, a lifting groove 26 is formed in the conducting valve 25, a valve plate 27 is slidably installed in the lifting groove 26, and the valve plate 27 is used for adjusting the conducting efficiency of the conducting valve 25;
the electric telescopic rods 28 are in one-to-one correspondence with the detectors 24, the electric telescopic rods 28 are electrically connected with the detectors 24, and under the control of a preset program, the electric telescopic rods 28 adjust the telescopic length according to the detection data of the detectors 24;
after the concentration of the tailings in the thickener body 1 is known through the cooperation of the plurality of detection pipes 23 and the detection instrument 24, in order to directly and conveniently adjust the concentration of the tailings and the flocculating agent in each level, the feedback adjusting component further comprises a conducting valve 25, when the detection instrument 24 detects the concentration of the tailings in each level, the detection result is conveyed to a preset program, the preset program adjusts the opening degree of the conducting valve 25 in each level according to the detection result, and further adjusts the supplementing efficiency of the tailings in each level, specifically, the preset program at least comprises a preset adjusting coefficient proportion and a control program of the conducting valve 25, the detection instrument 24 corresponds to the conducting valve 25 one by one, after the detection result of the detection instrument 24 is received, the opening degree of the corresponding conducting valve 25 is judged by comparing with the adjusting coefficient proportion, then under the cooperation of the control program of the on valve 25, the electric telescopic rod 28 in the on valve 25 stretches out and draws back to drive the valve plate 27 in the lifting groove 26 to change the opening degree of the on valve 25, when the opening degree of the on valve 25 is matched with the judged data, the electric telescopic rod 28 stops moving, at this time, the on valve 25 is positioned between the dispersing pipe 21 and the ore feeding barrel 2 due to different opening degrees of the multi-level on valve 25, so that the rates of the tailings ejected by the dispersing pipes 21 of each level are different, during practical application, the distribution of the tailings concentration is inversely proportional to the flocculant content to a certain extent, in the level with higher flocculant content, solid particles in the tailings slurry are flocculated and precipitated to lower the tailings slurry concentration in the level, and in the level with lower flocculant content, the solid particles suspended in the tailing pulp subsides inefficiency, the ore pulp concentration is high, through the adjustment, in the lower level of ore pulp concentration of tailing, the feed rate of tailing is fast, be convenient for quick to supplementary tailing and flocculating agent in this level, and then make the tailing concentration increase fast in this level, realize the quick sedimentation to solid particles through higher proportion flocculating agent, and in the higher level of ore pulp concentration of tailing, the feed rate of tailing is slower, the effectual fluctuation degree of avoiding this level tailing pulp is too big, reduce the probability that the combination of flocculating agent and solid particles is broken, after the adjustment of certain time, finally make the ore pulp concentration of each level tailing be close fast, and then make the tailing distribution uniformity degree increase in the thickener main part 1, the addition proportion of flocculating agent is adjusted to the staff of being convenient for.
As a preferred embodiment of the invention, it also comprises a supplementary assembly for supplementing flocculant into the ore cartridge 2;
the medicine supplementing assembly comprises a medicine feeding cylinder 3, wherein the medicine feeding cylinder 3 is arranged on the ore feeding cylinder 2, and the medicine feeding cylinder 3 is externally connected with flocculant pumping equipment;
the mixing cavities 31 are uniformly distributed in the ore feeding barrel 2, the mixing cavities 31 are in one-to-one correspondence with the dispersing pipes 21, the mixing cavities 31 are externally connected with ore pulp conveying equipment through an ore feeding pipe 32, and the ore feeding barrel 3 is in conductive connection with the mixing cavities 31 through an ore feeding pipe 33;
in the process of adjusting the pulp concentration of tailings of each level, as a certain proportion of flocculating agent is added before the tailings are pumped, the mixed pulp conveyed into each mixing cavity 31 is relatively uniform, in order to speed up the adjustment rate of the pulp concentration of the tailings of each level, the flocculating agent pumping equipment pumps the flocculating agent into the drug feeding cylinder 3, the drug feeding cylinder 3 is provided with a plurality of drug feeding pipes 33, and the drug feeding pipes 33 are in one-to-one correspondence with the mixing cavities 31 and the dispersing pipes 21, so that the component proportion of the mixed pulp in the mixing cavities 31 can be adjusted by adjusting the rate of the flocculating agent feeding pipes 33 into the mixing cavities 31, in practical application, the actual addition proportion of the flocculating agent is lower than the actual demand proportion, the pumping efficiency of the drug feeding pipes 33 is low in the mixing cavity 31 corresponding to the low pulp concentration level, so that the flocculating agent content is low, the redundant flocculating agent of the levels is convenient to consume, and the pumping efficiency of the drug feeding pipes 33 is high in the mixing cavity 31 corresponding to the high concentration level, so that the pumping efficiency of the mixed pulp of the high concentration levels tends to the flocculating agent content is high, and the sedimentation rate of the flocculating agent tends to be high, and the solid particles of the slurry levels is convenient to settle down consistently.
As a preferred embodiment of the present invention, the administration tube 33 is a unidirectional tube;
the medicine feeding tube 33 is made of a one-way guide tube, so that the backflow of the mixed slurry in the mixing cavity 31 to the medicine feeding tube 3 can be effectively avoided, and the blocking probability of the medicine feeding tube 3 is further avoided.
As a preferred embodiment of the invention, the administration tube 33 extends into the mixing chamber 31, the administration tube 33 being open opposite the administration tube 32;
the feeding pipe 33 corresponds to the opening of the ore feeding pipe 32, and when tailings and flocculant are actually added, the mixing uniformity degree of the tailings and the flocculant in the mixing cavity 31 can be enhanced by utilizing the opposite flushing of fluid.
As a preferred embodiment of the present invention, a speed regulating groove 4 is formed in the medicine feeding tube 3, the speed regulating grooves 4 are in one-to-one correspondence with the medicine feeding tubes 33, the speed regulating grooves 4 are in conductive connection with the medicine feeding tubes 33, an adjusting plate 41 is elastically installed in the speed regulating groove 4 through a spring, and the adjusting plate 41 is connected with the valve plate 27 through a steel wire rope 42;
when the opening degree of the on valve 25 is regulated, the electric telescopic rod 28 pushes the valve plate 27 to move in the lifting groove 26, the steel wire rope 42 is pulled in the movement process of the valve plate 27, one end of the regulating plate 41 in the speed regulating groove 4 is connected with the spring, and the other end of the regulating plate is connected with the steel wire rope 42, so that when the opening degree of the on valve 25 is reduced, the opening area of the dosing tube 33 is increased through the movement of the regulating plate 41, the flow rate of the flocculating agent in the dosing tube 33 is increased under the hydraulic action in the dosing tube 3, the proportion of the flocculating agent in the corresponding mixing cavity 31 is further increased, otherwise, the flow rate of the flocculating agent in the dosing tube 33 is reduced, the dosing tube 33 is even completely plugged, and further, the dosing assembly is associated with the feedback regulating assembly, so that the equipment regulation is more convenient.
As a preferred embodiment of the present invention, the ore feeding barrel 2 is provided with a circulating pump 43, the detecting pipe 23 is a three-way pipe, the detecting pipe 23 is connected with the circulating pump 43 in a conducting way, and the output end of the circulating pump 43 extends into the mixing cavity 31;
the circulation pump 43 is arranged, so that in the use process, the flow efficiency of tailings in the detection pipe 23 is enhanced, the detection accuracy of the detector 24 on the concentration of the current-level ore pulp is further improved, meanwhile, the extracted tailings slurry is pumped into the mixing cavity 31 through the circulation pump 43 and is used for impacting the slurry in the mixing cavity 31, and the mixing uniformity degree of the tailings and the flocculating agent in the mixing cavity 31 is further enhanced.
As a preferred embodiment of the invention, the ore feeding barrel 2 is provided with a mounting groove 29, the mounting groove 29 is designed at the top end opening of the ore feeding barrel 2, the circulating pump 43, the detector 24 and the ore feeding barrel 3 are all arranged in the mounting groove 29, the mounting frame 12 is provided with a through groove 13, and the through groove 13 is in conductive connection with the mounting groove 29;
the arrangement of the mounting groove 29 and the penetrating groove 13 is convenient for the staff to adjust and overhaul the circulating pump 43, the detector 24, the medicine feeding tube 3 and other devices.
As a preferred embodiment of the invention, the dispersion pipe 21 is fixedly provided with the drainage groove 5, the drainage groove 5 is obliquely upwards arranged, and the arrangement of the drainage groove 5 ensures that the mixed slurry of the flocculating agent and the tailings in the dispersion pipe 21 flows in a parabolic manner when being sprayed into a thickener, thereby prolonging the sedimentation distance of solid particles in the slurry and being convenient for matching with the flocculating agent to enhance the separation effect of water and the solid particles in the tailings.
A tailings separation treatment method, comprising the steps of:
s1, mixing tailings and a flocculating agent, pumping the mixed tailings into a mineral feeding barrel 2 through a tailings pumping device, and further adjusting the proportion of the tailings and the flocculating agent in a mixing cavity 31 in the mineral feeding barrel 2;
s2, continuously extracting tailings of each level in the thickener body 1 by the feedback adjusting component, detecting the pulp concentration of the tailings, and respectively adjusting the opening degree of the corresponding on valve 25 of each level under the cooperation of a preset program;
s3, in the process of adjusting the opening degree of the on valve 25, the steel wire rope 42 is used for linkage, so that the rate of supplementing the flocculant by the chemical supplementing assembly is adjusted, and finally, the proportion of tailings and the flocculant in each mixing cavity 31 is determined;
s4, the mixed slurry of the tailings and the flocculating agent after adjustment in the mixing cavity 31 flows into the conducting valve 25 and the dispersing pipe 21 in sequence and finally flows into the thickener main body 1, so that the adjustment of the concentration of ore pulp in the thickener main body 1 is realized, and meanwhile, solid particles and the flocculating agent are combined and then settled to the bottom of the thickener;
s5, under the action of a harrow transmission device and a discharging device which are arranged in the thickener main body 1, the concentrated tailings are conveyed into a filter press for further dewatering, and then the separation operation of solid particles in the tailings and water is completed.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The tailing separating and treating device comprises a thickener main body (1), wherein an overflow groove (11) is formed in the thickener main body (1);
the method is characterized in that: the ore pulp feeding device also comprises a multi-stage ore feeding assembly, wherein the multi-stage ore feeding assembly is used for adjusting the feeding rate of ore pulp into the thickener body (1);
the multistage ore feeding assembly comprises an ore feeding barrel (2), the ore feeding barrel (2) is rotatably arranged in the inner cavity of the thickener main body (1), and the ore feeding barrel (2) is externally connected with tailing pumping equipment;
the dispersing pipe (21) is fixedly arranged on the ore feeding barrel (2), the dispersing pipe (21) is in conductive connection with the ore feeding barrel (2), and the dispersing pipe (21) is uniformly provided with holes;
a plurality of the dispersing pipes (21) are axially arranged along the ore feeding barrel (2), and a plurality of the dispersing pipes (21) are circumferentially arranged along the ore feeding barrel (2);
the thickener comprises a thickener body (1), a driving motor (22), a mounting frame (12) and a feeding barrel (2), wherein the mounting frame (12) is mounted on the thickener body (1), the driving motor (22) is fixedly mounted on the mounting frame (12), and the output end of the driving motor (22) is connected with the feeding barrel (2);
the feedback adjusting component is arranged on the ore feeding cylinder (2) and adjusts the feeding efficiency of the dispersing pipe (21) according to the concentration of ore pulp in the thickener body (1);
the feedback adjusting assembly comprises detection pipes (23), the detection pipes (23) are in one-to-one correspondence with the dispersing pipes (21), the detection pipes (23) are fixedly arranged on the dispersing pipes (21), and the detection pipes (23) are used for extracting tailings in the thickener main body (1);
the detector (24) is arranged on the ore feeding barrel (2), the detector (24) is connected with the detection pipe (23) in a conducting mode, and the detector (24) is used for detecting the concentration of ore pulp.
2. A tailings separation treatment apparatus according to claim 1, wherein: the feedback adjusting assembly further comprises a conduction valve (25), the conduction valve (25) is fixedly arranged between the dispersing pipe (21) and the ore feeding barrel (2), a lifting groove (26) is formed in the conduction valve (25), a valve plate (27) is slidably arranged in the lifting groove (26), and the valve plate (27) is used for adjusting the conduction efficiency of the conduction valve (25);
the electric telescopic rods (28) are in one-to-one correspondence with the detectors (24), the electric telescopic rods (28) are electrically connected with the detectors (24), and under the control of a preset program, the electric telescopic rods (28) adjust the telescopic length according to detection data of the detectors (24).
3. A tailings separation treatment apparatus according to claim 2, wherein: the system also comprises a medicine supplementing assembly, wherein the medicine supplementing assembly is used for supplementing flocculant into the ore feeding barrel (2);
the medicine supplementing assembly comprises a medicine feeding cylinder (3), the medicine feeding cylinder (3) is arranged on the ore feeding cylinder (2), and the medicine feeding cylinder (3) is externally connected with flocculant pumping equipment;
mixing cavity (31), evenly distributed's mixing cavity (31) have been seted up in ore feed tube (2), mixing cavity (31) and dispersion tube (21) one-to-one, mixing cavity (31) are through the external tailing conveying equipment of ore feed tube (32), the pipe (33) of dosing is through dosing and mixing cavity (31) switch-on connection.
4. A tailings separation treatment apparatus according to claim 3, wherein: the administration tube (33) is a unidirectional conduction tube.
5. The tailings separation treatment apparatus of claim 4, wherein: the administration tube (33) extends into the mixing chamber (31), the administration tube (33) being opposite to the orifice of the feeding tube (32).
6. The tailings separation treatment apparatus of claim 4, wherein: the novel medicine feeding device is characterized in that a speed regulating groove (4) is formed in the medicine feeding tube (3), the speed regulating grooves (4) are in one-to-one correspondence with the medicine feeding tubes (33), the speed regulating grooves (4) are in conductive connection with the medicine feeding tubes (33), an adjusting plate (41) is elastically mounted in the speed regulating grooves (4) through a spring, and the adjusting plate (41) is connected with the valve plate (27) through a steel wire rope (42).
7. The tailings separation treatment apparatus of claim 6, wherein: install circulating pump (43) on ore feeding section of thick bamboo (2), detect pipe (23) are the three-way pipe, detect pipe (23) and circulating pump (43) switch on and be connected, circulating pump (43) output extends to in mixing chamber (31).
8. The tailings separation treatment apparatus of claim 7, wherein: the ore feeding device is characterized in that an installation groove (29) is formed in the ore feeding barrel (2), the installation groove (29) is formed in the top end opening of the ore feeding barrel (2), the circulating pump (43), the detector (24) and the ore feeding barrel (3) are all installed in the installation groove (29), a penetrating groove (13) is formed in the installation frame (12), and the penetrating groove (13) is connected with the installation groove (29) in a conducting mode.
9. The tailings separation treatment apparatus of claim 8, wherein: and the dispersion pipe (21) is fixedly provided with a drainage groove (5), and the drainage groove (5) is obliquely upwards arranged.
10. A tailing separating and treating method is characterized in that: the method is applicable to a tailings separation treatment apparatus according to claim 9, and comprises the steps of:
s1, mixing tailings and a flocculating agent, pumping the mixed tailings into a mineral feeding barrel (2) through a tailings pumping device, and further adjusting the proportion of the tailings and the flocculating agent in a mixing cavity (31) in the mineral feeding barrel (2);
s2, continuously extracting tailings of each level in the thickener main body (1) by the feedback adjusting component, detecting the concentration of ore pulp of the tailings, and respectively adjusting the opening degree of a corresponding conduction valve (25) of each level under the cooperation of a preset program;
s3, in the process of adjusting the opening degree of the on valve (25), the steel wire rope (42) is used for linkage, so that the rate of supplementing the flocculant by the chemical supplementing assembly is adjusted, and finally, the proportion of tailings and the flocculant in each mixing cavity (31) is determined;
s4, the adjusted mixed slurry of tailings and flocculant in the mixing cavity (31) flows into the conducting valve (25) and the dispersing pipe (21) in sequence, and finally flows into the thickener main body (1) to adjust the concentration of ore pulp in the thickener main body (1), and meanwhile, solid particles are combined with the flocculant and then are settled to the bottom of the thickener;
s5, under the action of a harrow transmission device and a discharging device which are arranged in the thickener main body (1), the concentrated tailings are conveyed into a filter press for further dewatering, and then the separation operation of solid particles in the tailings and water is completed.
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