CN103394405A - Horizontal novel centrifugal concentrator - Google Patents

Horizontal novel centrifugal concentrator Download PDF

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Publication number
CN103394405A
CN103394405A CN2013103582279A CN201310358227A CN103394405A CN 103394405 A CN103394405 A CN 103394405A CN 2013103582279 A CN2013103582279 A CN 2013103582279A CN 201310358227 A CN201310358227 A CN 201310358227A CN 103394405 A CN103394405 A CN 103394405A
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China
Prior art keywords
ore
rotating
rotary drum
outer cover
flushing
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Application number
CN2013103582279A
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Chinese (zh)
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CN103394405B (en
Inventor
张伟
卢琪
史川山
李建锋
黄继明
林荣清
韩海清
李贵华
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YUNNAN TIN MACHINERY MANUFACTURING Co Ltd
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YUNNAN TIN MACHINERY MANUFACTURING Co Ltd
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Priority to CN201310358227.9A priority Critical patent/CN103394405B/en
Publication of CN103394405A publication Critical patent/CN103394405A/en
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Publication of CN103394405B publication Critical patent/CN103394405B/en
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Abstract

A horizontal novel centrifugal concentrator comprises a frame (8), an outer cover (1), a rotating drum (2), a variable frequency reducing motor (4) connected with the rotating shaft of the rotating drum through a coupler (3), a flushing system (5) arranged in the outer cover and connected with an external water supply system, an ore distributor system (6) below the outer cover, an ore receiving bucket (7) below the outer cover, a feeding system (9) arranged outside the outer cover and communicated with the rotating drum, wherein the rotating drum comprises the rotating shaft, a horn-shaped rotating disc and a circular truncated cone-shaped rotary drum; the rotating shaft is sleeved with the rotating disc; the rotating disc is sleeved with the rotary drum; the large end surface of the rotary drum is connected with the outer edge of the rotating disc; the tilt angle of the opening in the internal face of the rotary drum is 2-6 degrees; the flushing system comprises a water inlet pipe with a pneumatic ball valve and flushing nozzles in the rotary drum; the ore distributor system comprises a cylinder, an oscillating shaft, a connecting arm and an ore distribution hopper; one end of the connecting arm is connected with the push rod of the cylinder and the other end of the connecting arm is connected with the oscillating shaft; a lifting arm at the top of the ore distribution hopper is connected with the oscillating shaft; the feeding system comprises an ore distribution box and at least two feeding nozzles; a pneumatic knife gate valve is arranged at the ore inlet of the ore distribution box; the feeding nozzles are mounted at the tail ends of feeding pipes of the ore distribution box and face to the internal face of the rotary drum. The horizontal type novel centrifugal concentrator has a simple structure and a good concentration effect, and is easy to control and maintain.

Description

The horizontal novel centrifugal ore separator
Technical field
The present invention relates to metal gravity preparation equipment technical field, especially for the centrifugal ore separator of non-ferrous metal, ferrous metal and noble metal.
Background technology
Present domestic Mineral Processing Industry is widely used shaking table and the centrifugal ore separator gravity beneficiation equipment as metallic ore.Shaking table exists and takes up an area the shortcomings such as space is large, production efficiency is lower, maintenance cost is high, labor strength is large, and for the manufacture of the wood materials of shaking table, control strict now, be difficult to buying, therefore, adopt novel device to replace the trend that shaking table equipment is the gravity separation technological development.Also there are many deficiencies in traditional centrifugal ore separator, at first be that the kind of drive is motor-belt pulley transmission, when technique needs (when rinsing concentrate) motor from high rotating speed to slow-speed of revolution speed change, due to belt pulley brakeless function, add the effect of inertia of rotary drum, belt failure mode when reduction of speed often occurs, the equipment cisco unity malfunction, have a strong impact on the ore dressing effect; Secondly, giving the ore deposit mode is that mine-separating box is to ore deposit, on mine-separating box except being provided with feed port, also has an overfall, equipment is in the time period of rinsing concentrate, and ore pulp flows out to slurries from overfall and stores up temporarily pond, then is returned into mine-separating box by stock pump, the ore-dressing technique system configuration is comparatively complicated, and half being arranged for the ore deposit system is to flog a dead horse; The 3rd, the executing agency of traditional centrifugal ore separator is take electromagnetic driver as dynamical element, and the shortcoming of electromagnetic driver is to be afraid of humidity, and therefore the easy hot rapid wear of coil needs a large amount of spare parts, and safeguard and change frequently, affects the performance of the normal production capacity of equipment; The 4th, traditional ore deposit mode of giving is single to Zui Gei ore deposit, ore deposit, and ore pulp and rotary drum contact area are little, and in the short period of time, ore pulp can not be dispersed in rapidly on drum inner wall, affects sorting result.
Summary of the invention
The objective of the invention is to solve that the suitable ore dressing that prior art exists is not single, complicated operation, fault rate be high, the deficiencies such as fluctuation of service, provide a kind of system architecture comparatively simple, be easy to control and maintenance and the effective horizontal novel centrifugal ore separator of ore dressing.
Purpose of the present invention is achieved through the following technical solutions.
The horizontal novel centrifugal ore separator, the variable frequency reducer motor that includes frame, outer cover, is arranged at rotary drum in outer cover, connects by shaft coupling and the rotating shaft of rotary drum, be arranged in outer cover and the flushing system that is connected with outside water system, be arranged at the mine distributor system of outer cover below and connect ore bucket, be arranged at the outer cover outside and pass into in rotary drum to the ore deposit system; Described rotary drum include two ends be installed on rotating shaft on bearing block, be sleeved on the outward opening in rotating shaft tubaeform rotating disk, be set in the outer truncated cone-shaped rotating cylinder of rotating disk, the large end face of rotating cylinder is connected with the rotating disk outer rim, the inclination angle of dehiscing of rotating cylinder internal face is 2~6 °; Described flushing system includes the water inlet pipe that is provided with pneumatic ball valve, be connected in the water inlet pipe end and be positioned at the flushing water nozzle of rotating cylinder; Described mine distributor system includes the cylinder that is installed on fixed support, be installed on that swinging axle, an end on bearing block is connected with the cylinder push rod and linking arm, top arm that the other end is connected with swinging axle are connected in minute ore bucket on swinging axle; The described mine-separating box of including iron ore feeding hole for the ore deposit system pneumatic knife gate valve is set, be installed at least two of mine-separating box mineral-feeding pipe end to Zui,Gei ore deposit, ore deposit mouth towards the rotating cylinder internal face.
The flushing water nozzle of flushing system of the present invention is height and the adjustable flushing water nozzle of angle, and flushing water nozzle includes 2~8 water spouts side by side.The water inlet pipe of described flushing system is cantilever structure, and the trailing arm two ends of cantilever realize that by connection moving joint the trailing arm height is adjustable, and flushing water nozzle is connected and realizes that the flushing water nozzle angle is adjustable by the articulation with the trailing arm lower end.The described ore bucket interior separation that connects is concentrate case and tailing tank.Variable frequency reducer motor, pneumatic ball valve, cylinder, pneumatic knife gate valve are controlled by the PLC control system.
Compared with prior art, the present invention has the following advantages at least:
1, the kind of drive of the present invention adopts variable-frequency motor-reductor-shaft coupling transmission mode, and reductor has braking function, can eliminate the phenomenon that belt creep appears in the conventional belt kind of drive, guarantees good ore dressing effect.Motor is variable-frequency stepless speed-regulating in addition, can adjust arbitrarily the rotating speed of rotary drum to reach best ore dressing effect.
2, executing agency of the present invention such as pneumatic ball valve, cylinder, pneumatic knife gate valve all adopt pneumatic element, can realize the accurate control that performs an action, long service life, equipment failure rate is low, reduce the maintenance cost of equipment, guaranteed the performance of the normal production capacity of equipment.
3, study by analysis the characteristic of various ore pulps and the design feature of present device, and through a large amount of experimental verifications, the present invention is by the pitch angle control of dehiscing of circular table rotating cylinder at 2~6 °, this optimum angle of incidence angle has reached optimum sorting result.Sort efficiency and improve at least 20% than traditional centrifugal ore separators.
4, the ore deposit system of giving of the present invention adopts the pneumatic knife gate valve directly to control to ore deposit, make simpler and more direct and stable to the ore deposit system and flow is adjustable, equipment is in the whole course of work, do not have overfall to produce, in the process system configuration, saved the overfall pond and returned stock pump, in rotating cylinder, single, to the ore deposit mouth, change many places into and disperse to the ore deposit mouth simultaneously, ore pulp and rotary drum contact area are increased, in the short period of time, ore pulp, under the effect of centrifugal force, can be dispersed on drum inner wall rapidly.
5, flushing system of the present invention is arranged in rotary drum and adopts the multi-point flushing water nozzle, the valuable mineral of selecting can be flushed to the concentrate case that connects ore bucket.Because distance and the angle of flushing water nozzle and drum inner wall are adjustable, the water of certain pressure is injected on the rotary drum inwall dispersedly, and face meet rotating cylinder turn to the formation reaction force, resist the rotary drum rotator inertia, effectively reduce as early as possible the rotary drum rotating speed, to reach efficient developing result.
6, the present invention adopts the PLC automatic control system; the velocity of rotation that centrifugal ore separator is required, each actuation time, interval time, the whole centralized Control of operation cycle; for different ore pulp character; major parameter such as mine-supplying quantity, drum speed, running time and interval etc. to centrifugal ore separator work can use touch-screen to operate easily; the electric interlock protection function that is provided with of while; run into fault and can effectively protect equipment; failure condition to equipment is very clear; be easy to get rid of, saved malfunction elimination, repair and maintenance time.
Ore dressing disposal ability of the present invention is large, and throwing tail efficiency is high, easily realizes automatically controlling.Can control easily drum speed according to the selected ore pulp character of difference in good time, to each ore dressing parameters such as ore deposit time, mine-supplying quantity, interval time, flushing minute ore deposit times, reach preferably ore dressing effect.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the structural representation of centrifugal rotating part;
Fig. 4 is the schematic diagram of flushing system;
Fig. 5 is the left view of Fig. 6;
Fig. 6 is the schematic diagram of mine distributor system;
Fig. 7 is the schematic diagram to the ore deposit system;
Fig. 8 is the right view of Fig. 7.
The specific embodiment
As shown in Figure 1 and Figure 2, the present invention includes outer cover 1, rotary drum 2, shaft coupling 3, variable frequency reducer motor 4, flushing system 5, mine distributor system 6, connect ore bucket 7, frame 8, to ore deposit system 9 etc.Rotary drum 2 is arranged in outer cover 1, and variable frequency reducer motor 4 connects with the rotating shaft of rotary drum by shaft coupling 3.Rotary drum 2 include as shown in Figure 3 two ends be installed on rotating shaft 203 on bearing block 204, be sleeved on the outward opening in rotating shaft tubaeform rotating disk 202, be set in the outer truncated cone-shaped rotating cylinder 201 of rotating disk, the large end face of rotating cylinder and rotating disk outer rim are bolted, rotating cylinder is fixed in rotating shaft 203 by rotating disk 201, and the inclination alpha of dehiscing of rotating cylinder internal face is 2~6 °.In outer cover inside, be provided with the flushing system 5 that is connected with outside water system.Flushing system 5 as shown in Figure 4, Figure 5, is comprised of water inlet pipe 501, bearing 504, pneumatic ball valve 502, flushing water nozzle 503, articulation 505 etc.Flushing water nozzle 503 is height and the adjustable flushing water nozzle of angle, flushing water nozzle includes 2~8 water spouts that are arranged side by side, the present embodiment water inlet pipe 501 is cantilever structure, the trailing arm two ends of cantilever realize that by connection moving joint 505 the trailing arm height is adjustable, flushing water nozzle 503 is connected and realizes that the flushing water nozzle angle is adjustable by the articulation with the trailing arm lower end, and water spout is set to 6.Water inlet pipe 501 two ends are connected with articulation 505, distance between conveniently replaced water inlet pipe 501 length adjustment flushing water nozzles 503 and rotating cylinder 201 inwalls, and, by the axial angle that articulation 505 is adjusted between flushing water nozzle 503 and rotating cylinder 201, according to the quality of ore pulp, reach good flushing and ore dressing effect.On water inlet pipe 501 pipelines, be provided with pneumatic ball valve 502, the discharge in the time of can intaking and cut off the water supply and intake by the control of PLC control system.Mine distributor system 6 is arranged at the outer cover below, connects ore bucket 7 and is positioned at mine distributor system below.Mine distributor system 6 is comprised of fixed support 601, cylinder 602, bearing block 603, minute ore bucket 604, linking arm 605, swinging axle 606 as shown in Figure 6, cylinder 602 is installed on fixed support 601, swinging axle 606 is installed on bearing block 603, one end of linking arm 605 is connected with the cylinder push rod, the other end is connected with swinging axle, and the top arm of minute ore bucket 604 is connected on swinging axle.Divide ore bucket 604 to be connected with cylinder 602 by swinging axle 606, linking arm 605, cylinder operation time-division ore bucket 604 can swing around swinging axle.Connecing ore bucket 7 interior separations is concentrate case 701 and tailing tank 702.Be arranged at leading in rotary drum 2 by mine-separating box mineral-feeding pipe 902 to ore deposit system 9 of outer cover outside.Give ore deposit system 9 as shown in Figure 7, Figure 8, by giving ore deposit mouth 901, mineral-feeding pipe 902, mine-separating box 903, pneumatic knife gate valve 904, to ore deposit system fixed support 905, forming.The iron ore feeding hole of mine-separating box 903 arranges pneumatic knife gate valve 904, at the end of mine-separating box mineral-feeding pipe 902, installs at least two to ore deposit mouth 901, gives the internal face of ore deposit mouth 901 towards rotating cylinder 201.Action actuating mechanism of the present invention, except variable frequency reducer motor, all adopts pneumatic element to control, and whole control system uses PLC integrated, and variable frequency reducer motor 4, pneumatic ball valve 502, cylinder 602, pneumatic knife gate valve 904 are controlled by the PLC control system.
The course of work of the present invention is as follows: variable frequency reducer motor 4 starts, and by shaft coupling 3, drives rotary drum 2 and rotates, and velocity of rotation is at a high speed, is generally 140 ~ 220r/min, and this speed can, according to ore pulp character, be transferred to the best by the PLC program.pneumatic knife gate valve 904 is opened subsequently, ore pulp flows into mine-separating box 903 and enters two through 902 minutes two-way of mineral-feeding pipe and enters in rotary drum 2 to ore deposit mouth 901 again, High Rotation Speed due to rotary drum 2, rotating cylinder 201 inwalls drive ore pulps and rotate together and produced centrifugal force, heavy mineral matter in ore pulp is that concentrate is under the effect of centrifugal force, be deposited on rotating cylinder 201 inwalls and with rotating cylinder 201 and rotate, As time goes on concentrate thickness is constantly piled up, in ore pulp than light grains be mine tailing with certain differential in the rotation with rotating cylinder 201, because rotating cylinder has the i.e. inclination alpha of 2~6 ° of certain tapering, in rotary course to the ore deposit end along the gradient of rotating cylinder 201 and to mine-discharging terminal, through outer cover 1, flow out to a minute ore deposit system 6 in a spiral manner, minute ore bucket 604 of minute ore deposit system 6 of this moment is initial position, tailing tank 702 1 sides that connect ore bucket 7 are pointed in its outlet, mine tailing is flowed out by the mine tailing mouth that connects ore bucket 7 bottoms.through after a while, (be generally 120~240 seconds again, this time can be as required regulated by the PLC program) high speed centrifugation sort after, pneumatic knife gate valve 904 is closed, stop to rotary drum 2 to ore deposit, (efflux time is generally 6~10 seconds after mine tailing is discharged totally, this time can be regulated by the PLC program as required), variable frequency reducer motor 4 is reduced to low speed, be generally 100~120 r/min, divide ore bucket 604 to leave initial position under the promotion of cylinder 602, its outlet is flapped toward concentrate case 701 1 sides that connect ore bucket 7, preparation draws off concentrate, this moment, pneumatic ball valve 502 was opened, water under high pressure flows to flushing water nozzle 503 through water inlet pipe 501, water under high pressure by 503 ejaculations of 6 flushing water nozzles, the concentrate that is deposited on rotating cylinder 201 inwalls is rinsed, through outer cover 1, divide ore bucket 604 to enter concentrate case one side that connects ore bucket 7, by bottom concentrate mouth, flowed out, through after a while, (be generally 10~15 seconds, this time can be regulated by the PLC program) after being attached to concentrate on rotating cylinder 201 and rinsing well, divide ore bucket 604 to rotate back into initial position under the effect of cylinder 602, go out the mine mouth sensing and connect ore bucket 7 tailing tank one sides, on the high rotating speed of simultaneously variable frequency reducer motor 4 frequency conversions speed-raisings when starting to rotate, pneumatic knife gate valve 904 is opened, start to ore deposit, carry out next ore dressing circulation.

Claims (5)

1. horizontal novel centrifugal ore separator, it is characterized in that, the variable frequency reducer motor (4) that includes frame (8), outer cover (1), is arranged at rotary drum (2) in outer cover, connects by shaft coupling (3) and the rotating shaft of rotary drum, be arranged in outer cover and the flushing system (5) that is connected with outside water system, be arranged at the mine distributor system (6) of outer cover below and connect ore bucket (7), be arranged at the outer cover outside and pass into to rotary drum (2) interior to ore deposit system (9); Described rotary drum (2) include two ends be installed on rotating shaft (203) on bearing block (204), be sleeved on the outward opening in rotating shaft tubaeform rotating disk (202), be set in the outer truncated cone-shaped rotating cylinder (201) of rotating disk, the large end face of rotating cylinder is connected with the rotating disk outer rim, and the inclination angle of dehiscing (α) of rotating cylinder internal face is 2~6 °; Described flushing system (5) includes the water inlet pipe (501) that is provided with pneumatic ball valve (502), be connected in the water inlet pipe end and be positioned at the flushing water nozzle (503) of rotating cylinder; Described mine distributor system (6) includes the cylinder (602) that is installed on fixed support (601), be installed on that swinging axle (606), an end on bearing block (603) is connected with the cylinder push rod and linking arm (605), top arm that the other end is connected with swinging axle are connected in minute ore bucket (604) on swinging axle; The described mine-separating box (903) of including iron ore feeding hole for ore deposit system (9) pneumatic knife gate valve (904) are set, be installed at least two of mine-separating box mineral-feeding pipe (902) end to ore deposit mouth (901), give ore deposit mouth (901) towards rotating cylinder (201) internal face.
2. horizontal novel centrifugal ore separator according to claim 1, is characterized in that, the flushing water nozzle (503) of described flushing system (5) is height and the adjustable flushing water nozzle of angle, and flushing water nozzle includes 2~8 water spouts side by side.
3. horizontal novel centrifugal ore separator according to claim 2, it is characterized in that, the water inlet pipe (501) of described flushing system (5) is cantilever structure, the trailing arm two ends of cantilever realize that by connection moving joint (505) the trailing arm height is adjustable, and flushing water nozzle (503) is connected and realizes that the flushing water nozzle angle is adjustable by the articulation with the trailing arm lower end.
4. horizontal novel centrifugal ore separator according to claim 1, is characterized in that, described ore bucket (7) interior separation that connects is concentrate case (701) and tailing tank (702).
5. according to claim 1 and 2 or 3 or 4 described horizontal novel centrifugal ore separators, is characterized in that, variable frequency reducer motor (4), pneumatic ball valve (502), cylinder (602), pneumatic knife gate valve (904) are controlled by the PLC control system.
CN201310358227.9A 2013-08-17 2013-08-17 Horizontal novel centrifugal concentrator Expired - Fee Related CN103394405B (en)

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CN103394405B CN103394405B (en) 2015-06-24

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103657824A (en) * 2013-12-16 2014-03-26 裴寿益 Ore grinding method
CN105964420A (en) * 2016-06-12 2016-09-28 刘旭玲 Intelligent mineral powder centrifuge for exploration
CN106552721A (en) * 2017-01-13 2017-04-05 周国亮 The dry method cull eliminator that drifts along is centrifuged
CN109013075A (en) * 2018-07-14 2018-12-18 刘佩玲 A kind of horizontal centrifuge
CN109865585A (en) * 2019-04-18 2019-06-11 重钢西昌矿业有限公司 A method of improving extreme poverty mine mineral products amount

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2056610U (en) * 1989-10-23 1990-05-02 高均权 Horizontal continuous centrifugal ore-dressing machine
US5676835A (en) * 1994-08-08 1997-10-14 Derton; Harry E. Horizontal vibratory centrifuge
CN201197961Y (en) * 2008-05-14 2009-02-25 鞍钢集团矿业公司 Intelligent ore feeding device of centrifugal separator
CN102921532A (en) * 2011-08-09 2013-02-13 中国矿业大学(北京) Laminar centrifugal beneficiation method for diatomite ores
CN203437192U (en) * 2013-08-17 2014-02-19 云南锡业机械制造有限责任公司 Horizontal novel centrifugal concentrating machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2056610U (en) * 1989-10-23 1990-05-02 高均权 Horizontal continuous centrifugal ore-dressing machine
US5676835A (en) * 1994-08-08 1997-10-14 Derton; Harry E. Horizontal vibratory centrifuge
CN201197961Y (en) * 2008-05-14 2009-02-25 鞍钢集团矿业公司 Intelligent ore feeding device of centrifugal separator
CN102921532A (en) * 2011-08-09 2013-02-13 中国矿业大学(北京) Laminar centrifugal beneficiation method for diatomite ores
CN203437192U (en) * 2013-08-17 2014-02-19 云南锡业机械制造有限责任公司 Horizontal novel centrifugal concentrating machine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103657824A (en) * 2013-12-16 2014-03-26 裴寿益 Ore grinding method
CN105964420A (en) * 2016-06-12 2016-09-28 刘旭玲 Intelligent mineral powder centrifuge for exploration
CN106552721A (en) * 2017-01-13 2017-04-05 周国亮 The dry method cull eliminator that drifts along is centrifuged
CN106552721B (en) * 2017-01-13 2019-03-29 周国亮 It is centrifuged the dry method cull eliminator that drifts along
CN109013075A (en) * 2018-07-14 2018-12-18 刘佩玲 A kind of horizontal centrifuge
CN109865585A (en) * 2019-04-18 2019-06-11 重钢西昌矿业有限公司 A method of improving extreme poverty mine mineral products amount

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