CN114768996A - Concentrate concentrating machine with multistage circulating screening - Google Patents

Concentrate concentrating machine with multistage circulating screening Download PDF

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Publication number
CN114768996A
CN114768996A CN202210428079.2A CN202210428079A CN114768996A CN 114768996 A CN114768996 A CN 114768996A CN 202210428079 A CN202210428079 A CN 202210428079A CN 114768996 A CN114768996 A CN 114768996A
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China
Prior art keywords
screening
bin
magnetic
plate
belt
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Granted
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CN202210428079.2A
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Chinese (zh)
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CN114768996B (en
Inventor
王勇顺
王永明
王琳
王冠群
王玉锁
许志强
凡香会
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Lianyungang Hengxintong Mining Co ltd
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Lianyungang Hengxintong Mining Co ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/30—Combinations with other devices, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/10—Magnetic separation acting directly on the substance being separated with cylindrical material carriers
    • B03C1/12—Magnetic separation acting directly on the substance being separated with cylindrical material carriers with magnets moving during operation; with movable pole pieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C1/00—Magnetic separation
    • B03C1/02—Magnetic separation acting directly on the substance being separated
    • B03C1/16—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts
    • B03C1/18—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts with magnets moving during operation
    • B03C1/20—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts with magnets moving during operation in the form of belts, e.g. cross-belt type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C2201/00—Details of magnetic or electrostatic separation
    • B03C2201/20—Magnetic separation whereby the particles to be separated are in solid form

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Abstract

The invention relates to the technical field of concentrate screening, in particular to a concentrate concentrating machine with multistage circulating screening, which comprises a gravity magnetic screening device, wherein the gravity magnetic screening device is fixedly arranged on a rack in a vertical state and consists of a material guide bin, a screening box, magnetic adsorption equipment, a first material guide bin and a second material guide bin, and the material guide bin is fixedly arranged at the top of the screening box; the magnetic adsorption equipment is rotatably arranged in the screening box, the bottom of the magnetic adsorption equipment is also provided with two openings, and the two openings are respectively provided with a first material guide bin and a second material guide bin; the feed back device is arranged on one side of the screening box in a vertical state; the belt type magnetic screening device is fixedly arranged on the frame in a horizontal state; the collecting unit is vertically placed at the discharge port of the belt type magnetic screening device; according to the method, not only can the raw mineral materials be efficiently screened, but also the specularite in the mineral materials can be accurately extracted, and multistage circulating screening is adopted; high extracting efficiency and purity.

Description

Concentrate concentrating machine with multistage circulating screening
Technical Field
The invention relates to the technical field of concentrate screening, in particular to a concentrate concentrating machine with multistage circulating screening.
Background
Mineral separation is a process of crushing and grinding ores according to the physical and chemical properties of different minerals in the ores, separating useful minerals from gangue minerals by methods such as a gravity separation method, a flotation method, a magnetic separation method, an electric separation method and the like, separating various symbiotic useful minerals from each other as much as possible, and removing or reducing harmful impurities to obtain raw materials required by smelting or other industries; the magnetic separator adsorbs ferromagnetic mineral substances to the outer surface of the ore dressing barrel through a magnetic field generated by a magnetic system in the ore dressing barrel of the magnetic separator on the outer surface of the ore dressing barrel of the magnetic separator, the mineral substances are separated out along with the rotation of the ore dressing barrel of the magnetic separator, but the magnetic mineral substances can form a magnetic pile in the adsorption process, and the formed magnetic pile is arranged outside the separated ore bucket in a rotating mode, so that the magnetic pile carries some non-magnetic ore raw materials to be accumulated to the surface of the magnetic pile after being formed, and the non-magnetic ore raw materials are separated along with the rotation of the magnetic pile, and the purity of the magnetic ore raw material extraction is greatly reduced;
to this end, a concentrate concentrator for multi-stage circular screening is needed to solve the above problems.
Disclosure of Invention
Based on this, it is necessary to provide a concentrate concentrator for multi-stage circular screening, which is directed to the problems of the prior art.
In order to solve the problems of the prior art, the invention adopts the technical scheme that:
a concentrate concentrating machine with multi-stage circulating screening comprises a rack, a gravity magnetic screening device, a material guiding bin, a screening box, magnetic adsorption equipment, a first material guiding bin, a second material guiding bin, a material returning device, a belt type magnetic screening device and a material collecting unit; the gravity magnetic screening device is fixedly arranged on the rack in a vertical state and consists of a material guide bin, a screening box, magnetic adsorption equipment, a first material guide bin and a second material guide bin, and the material guide bin is fixedly arranged at the top of the screening box; the magnetic adsorption equipment is rotatably arranged in the screening box, the bottom of the magnetic adsorption equipment is also provided with two openings, and the two openings are respectively provided with a first material guide bin and a second material guide bin; the feeding back device is vertically arranged on one side of the screening box; one side of the lower end of the feed back device, which is close to the feed back device, is communicated with the first material guide bin through a pipeline; the belt type magnetic screening device is fixedly installed on the rack in a horizontal state, a feeding end of the belt type magnetic screening device is arranged under a discharge port of the second material guide bin, and the material collecting unit is placed at the discharge port of the belt type magnetic screening device in a vertical state.
Preferably, the material guide bin is further provided with a material control mechanism, and the material control mechanism consists of a slide rail, a first material control plate, an extension block and a first locking knob; the two groups of slide rails are arranged on the inner wall of the material guiding bin in an inclined state; the first material control plate is obliquely and slidably arranged between the two groups of slide rails; the extension block is fixedly arranged on one side of the material guide bin; first locking knob screw thread connects to set up on extending the piece soon, and the locking end of first locking knob passes and extends the piece and set up towards first accuse flitch lateral wall.
Preferably, the magnetic adsorption equipment comprises a rotary driver, a synchronous belt, a servo motor, a material guiding plate and an inclined plane; the ore dressing barrel is rotatably arranged in the middle of the screening box; the rotary driver is fixedly arranged on the rack, and the transmission end of the rotary driver is in transmission connection with the driving end of the ore dressing barrel; the material guiding plate is vertically and fixedly arranged in the screening box, the material guiding plate is arranged at the upper left corner of the mineral separation barrel, and the lower end of the material guiding plate is attached to the outer wall of the mineral separation barrel; the inclined plane is arranged on one side of the material guiding plate, and a first avoidance notch is formed in one end, attached to the ore dressing barrel, of the second material guiding bin; the rotary driver consists of a synchronous belt and a servo motor; the servo motor is fixedly arranged on the rack, and the synchronous belt is used for driving and connecting an output shaft of the servo motor and a driving end of the ore dressing barrel.
Preferably, the ore dressing barrel comprises a rotating shaft, a magnetic ring, an adsorption wheel and an adsorption ring; the ore dressing barrel is rotatably arranged in the middle of the screening box through a rotating shaft; the magnetic ring is coaxially sleeved outside the rotating shaft; an adsorption wheel is coaxially sleeved outside the magnetic ring, and an adsorption ring is radially extended on the adsorption wheel; the adsorption rings are arranged in a plurality of equidistance along the axis direction of the ore dressing barrel.
Preferably, the blanking element comprises a first mounting frame, a blanking plate and a striker plate; the blanking plate is fixedly arranged on the left side of the mineral separation barrel through a first mounting frame, the end part of the blanking plate is attached to the outer wall of the mineral separation barrel, and the material blocking plate is vertically arranged under the blanking plate; the one end of flitch and ore dressing bucket outer wall laminating still runs through to be seted up the second and dodges the breach, and the breach is dodged to the second and adsorption ring one-to-one sets up.
Preferably, the feeding back device comprises a first fixing frame, a spiral feeding machine, a first discharging pipe, a feeding pipe, a second discharging pipe, a discharging opening and closing element and a first material transferring bin; the spiral feeding machine is fixedly arranged on one side of the screening box in a vertical state through a first fixing frame; the first discharging pipe is arranged close to the top of the screening box in an inclined state, and a discharging port of the first discharging pipe is arranged right opposite to the interior of the material guiding bin; the feeding pipe is radially arranged on one side of the spiral feeding machine, is arranged close to the bottom of the spiral feeding machine, and is communicated with the first material guide bin through the first material rotating bin; the second discharge pipe is fixedly arranged on the other side of the spiral feeding machine in an inclined state relative to the feed pipe; the second discharge pipe is positioned below the feed pipe; the discharge port opening and closing element is fixedly arranged on one side of the bottom of the spiral feeding machine; the output end of the discharge port opening and closing element is arranged at the bottom of the spiral feeding machine in a telescopic mode.
Preferably, the discharge port opening and closing element comprises a second mounting frame, an electric push rod and a sliding column; the sliding column is slidably arranged at the bottom of the spiral feeding machine; the sliding column is in clearance fit with the inner wall of the spiral feeding machine; 3h2 is fixedly arranged on one side of the bottom of the spiral feeder in a vertical state through a second mounting rack; the output end of the electric push rod is fixedly connected with the side wall of the sliding column through the connecting frame.
Preferably, the belt type magnetic screening device comprises a second material transferring bin, a second material controlling element, a second material controlling plate, an extension frame, a second locking knob, a first belt type conveyor, a first material receiving plate and a magnetic adsorption screening mechanism; the second material transferring bin cover is arranged at the second material guiding bin; the second material control element can be vertically arranged at the discharge port of the second material rotating bin in a pulling and inserting manner and consists of a second material control plate, an extension frame and a second locking knob; the second material control plate can be vertically arranged at the discharge port of the second material transferring bin in a pulling and inserting manner; the extension frame is fixedly arranged on the second material transferring bin; the second locking knob is screwed at the end part of the extension frame; the locking end of the second locking knob penetrates through the extension frame and faces the surface of the second material control plate; the first belt conveyor is arranged on the rack in a horizontal state, and the feeding end of the first belt conveyor is positioned right below the second material transferring bin; the first material receiving plate is fixedly arranged at the other end of the first belt conveyor in an inclined state relative to the second material transferring bin; the magnetic adsorption screening mechanism is arranged right above the first belt conveyor in a horizontal state.
Preferably, the magnetic adsorption screening mechanism comprises a second support frame, a second belt conveyor, a magnetic synchronous belt, a tension wheel, an adjusting frame and a locking bolt; the second belt conveyor is arranged on the rack in a horizontal state through a second supporting frame and is positioned right above the first belt conveyor; the transmission belt of the second belt conveyor is a magnetic synchronous belt; the magnetic synchronous belt transmission sleeve is arranged at the output end of the second belt conveyor; the tensioning wheel is adjustably arranged in the middle of the second belt conveyor through adjusting frames arranged at two ends; locking bolts are arranged on two sides of the adjusting frame; the second material receiving plate is fixedly arranged at the end part of the second belt conveyor in an inclined state and is arranged at one end far away from the first belt conveyor.
Preferably, the collecting unit comprises a first collecting bucket and a second collecting bucket; the first collecting barrel and the second collecting barrel are respectively arranged under the first material receiving plate and the second material receiving plate in a vertical state.
This application compares in prior art's beneficial effect and is:
1. this application has realized through rotary actuator, ore dressing bucket, guide plate and unloading component that how to screen the mineral aggregate and divide material and unloading automatically and how to carry out the work that the high efficiency was drawed to the specularite.
2. This application has realized through feed back device how to carry out the work of secondary feed back to the non-specularite raw materials after the primary screen to guarantee the abundant extraction of specularite.
3. This application has realized through belt magnetic force screening device how to carry out the work of secondary magnetic screen to the concentrate after the primary screen, realizes the further purification to the concentrate, proposes the ore material that need not, increases substantially the extraction purity of specularite.
Drawings
FIG. 1 is a first perspective view of the present application;
FIG. 2 is a second perspective view of the present application;
FIG. 3 is a front view of the present application;
FIG. 4 is a side view of the present application, with the frame removed, the belt magnetic screening apparatus, and the material collection unit;
FIG. 5 is a cross-sectional view taken at A-A of FIG. 4;
FIG. 6 is a perspective view of a portion of the gravity and magnetic force screening apparatus of the present application;
FIG. 7 is a perspective view of the gravity and magnetic force screening apparatus and the feed back apparatus of the present application;
FIG. 8 is a perspective view of the present belt magnetic screening apparatus;
fig. 9 is a perspective view of the present application with the first belt conveyor and the first receiver plate removed.
The reference numbers in the figures are:
1-a frame;
2-gravity magnetic screening device; 2 a-a material guide bin; 2 f-a material control mechanism; 2f1 — sliding rail; 2f 2-first control plate; 2f3 — extension block; 2f4 — first locking knob; 2 b-a screening box; 2 c-magnetic adsorption equipment; 2 g-rotary drive; 2g 1-synchronous belt; 2g 2-servomotor; 2h, a mineral separation barrel; 2h 1-spindle; 2h 2-magnetic ring; 2h 3-adsorption wheel; 2h 4-adsorption ring; 2 r-a guide plate; 2 j-a bevel; 2 l-a blanking element; 2l1 — first mount; 2l 2-blanking plate; 2l 3-striker plate; 2 d-a first material guiding bin; 2 e-a second material guiding bin;
3, a material returning device; 3 a-a first mount; 3 b-a spiral feeder; 3 c-a first discharge pipe; 3 d-feed pipe; 3 e-a second discharge pipe; 3 f-a discharge port opening and closing element; 3f 1-second mount; 3f 2-electric push rod; 3f 3-sliding column; 3f 4-connecting frame; 3 g-a first transfer bin;
4-belt magnetic screening device; 4 a-a second transfer bin; 4 b-a second material control element; 4b 1-second control plate; 4b 2-extension stand; 4b3 — a second locking knob; 4 c-a first belt conveyor; 4 d-a first material receiving plate; 4 e-a magnetic adsorption screening mechanism; 4e 1-second support shelf; 4e 2-second belt conveyor; 4e 3-magnetic timing belt; 4e 4-tensioner; 4e 5-adjusting bracket; 4e 6-locking bolt; 4e 7-second receiver plate;
5-an aggregate unit; 5 a-a first collection bucket; 5 b-second collecting bucket.
Detailed Description
For a better understanding of the features and technical solutions of the present invention, as well as the specific objects and functions attained by the present invention, reference is made to the accompanying drawings and detailed description of the invention.
As shown in fig. 1 to 9, the present application provides:
a concentrate concentrating machine with multi-stage circulating screening comprises a rack 1, a gravity magnetic screening device 2, a material guiding bin 2a, a screening box 2b, magnetic adsorption equipment 2c, a first material guiding bin 2d, a second material guiding bin 2e, a material returning device 3, a belt type magnetic screening device 4 and a material collecting unit 5; the gravity magnetic screening device 2 is fixedly installed on the rack 1 in a vertical state, the gravity magnetic screening device 2 consists of a material guide bin 2a, a screening box 2b, a magnetic adsorption device 2c, a first material guide bin 2d and a second material guide bin 2e, and the material guide bin 2a is fixedly installed at the top of the screening box 2 b; the magnetic adsorption equipment 2c is rotatably arranged in the screening box 2b, the bottom of the magnetic adsorption equipment 2c is also provided with two openings, and the two openings are respectively provided with a first material guiding bin 2d and a second material guiding bin 2 e; the material returning device 3 is vertically arranged on one side of the screening box 2 b; one side of the lower end of the feeding back device 3, which is close to the feeding back device 3, is communicated with the first material guiding bin 2d through a pipeline; belt magnetic force screening device 4 is horizontal state fixed mounting on frame 1, and the pan feeding end of belt magnetic force screening device 4 sets up under second guide stock storehouse 2e discharge gate department, and the unit of gathering materials 5 is vertical state and places in belt magnetic force screening device 4 discharge gate department.
Based on the above embodiment, in the working state, firstly, the ore raw material is put into the material guide bin 2a, the ore raw material enters the screening box 2b under the guidance of the material guide bin 2a, and the magnetic screening work is performed by the magnetic adsorption device 2c, wherein the ore raw material is preferably specularite; in the magnetic screening process, specularite automatically falls into the second material guiding bin 2e, and mineral raw materials other than specularite are guided into the first material guiding bin 2 d; in order to further extract specularite in the mineral raw materials other than specularite, the mineral raw materials falling into the first material guiding bin 2d are driven by the material returning device 3 to be guided into the material guiding bin 2a again to perform secondary magnetic screening or multiple magnetic screening operations; specularite falling into the second material guiding bin 2e is conducted towards the belt-type magnetic screening device 4 through the second material guiding bin 2e, and secondary magnetic screening work is carried out through the belt-type magnetic screening device 4, so that non-specularite raw materials mixed into primary magnetic screening specularite are screened secondarily, and the magnetic screening purity of the specularite is further improved; specularite and non-specularite that go out through the secondary magnetism finally drop respectively to gather materials inside unit 5, gather through gathering materials unit 5 and collect it.
Further, as shown in fig. 5 and 6:
the material guiding bin 2a is also provided with a material control mechanism 2f, and the material control mechanism 2f consists of a slide rail 2f1, a first material control plate 2f2, an extension block 2f3 and a first locking knob 2f 4; two groups of slide rails 2f1 are arranged, and the two groups of slide rails 2f1 are oppositely arranged on the inner wall of the material guiding bin 2a in an inclined state; the first material control plate 2f2 is slidably arranged between the two sets of slide rails 2f1 in an inclined state; the extension block 2f3 is fixedly arranged on one side of the guide bin 2 a; the first locking knob 2f4 is screwed on the extension block 2f3, and the locking end of the first locking knob 2f4 passes through the extension block 2f3 and is disposed toward the side wall of the first material control plate 2f 2.
Based on the above embodiment, when the ore raw materials stacked inside the material guide bin 2a need to be controlled at a constant speed, the worker only needs to adjust the sliding rail 2f1 in a sliding manner according to the required blanking speed, so as to change the size of the discharge port of the material guide bin 2a, and further realize the constant-speed material control during blanking of the ore raw materials; after the first material controlling plate 2f2 is adjusted to a proper position, the worker screws the first locking knob 2f4 to lock and fix the first material controlling plate 2f 2.
Further, as shown in fig. 4 to 6:
the magnetic adsorption equipment 2c comprises a rotary driver 2g, a synchronous belt 2g1, a servo motor 2g2, a material guiding plate 2r and an inclined plane 2 j; the ore dressing barrel 2h is rotatably arranged in the middle of the screening box 2 b; the rotary driver 2g is fixedly arranged on the rack 1, and the transmission end of the rotary driver 2g is in transmission connection with the driving end of the ore dressing barrel 2 h; the material guiding plate 2r is fixedly arranged in the screening box 2b in a vertical state, the material guiding plate 2r is arranged at the upper left corner of the mineral separation barrel 2h, and the lower end of the material guiding plate 2r is attached to the outer wall of the mineral separation barrel 2 h; the inclined plane 2j is arranged on one side of the guide plate 2r, and a first avoidance notch is formed in one end, attached to the ore dressing barrel 2h, of the second guide bin 2 e; the rotary driver 2g consists of a synchronous belt 2g1 and a servo motor 2g 2; the servo motor 2g2 is fixedly arranged on the machine frame 1, and the synchronous belt 2g1 is used for driving and connecting an output shaft of the servo motor 2g2 and a driving end of the ore dressing barrel 2 h.
Based on the embodiment, when the ore raw materials fall into the screening box 2b through the conduction of the material guiding bin 2a, the ore raw materials are guided by the material guiding plate 2r to be accumulated to an included angle formed between the ore dressing barrel 2h and the material guiding plate 2r, namely, the included angle is positioned at the upper left corner of the ore dressing barrel 2h, when the ore raw materials need to be subjected to magnetic separation, an external power supply is firstly connected to drive the rotary driver 2g to work, the output shaft of the rotary driver 2g rotates to drive the ore dressing barrel 2h to rotate clockwise, and then the ore raw materials which are specularite in the ore raw materials are automatically adsorbed to the surface of the ore dressing barrel 2 h; the minerals which are not specularite automatically fall into the first material guiding bin 2d under the action of gravity along with the rotation of the ore dressing barrel 2 h; and the specularite can rotate synchronously along with the rotation of the ore dressing barrel 2h until the specularite adsorbed to the outer wall of the ore dressing barrel 2h rotates synchronously to the position of the blanking element 2l along with the ore dressing barrel 2h, and the specularite adsorbed to the outer wall of the ore dressing barrel 2h can be scraped away from the surface of the ore dressing barrel 2h under the blocking of the blanking element 2 l; and finally falls into the second guide bin 2e under the action of gravity.
Further, as shown in fig. 6:
the ore dressing barrel 2h comprises a rotating shaft 2h1, a magnetic ring 2h2, an adsorption wheel 2h3 and an adsorption ring 2h 4; the ore dressing barrel 2h is rotatably arranged in the middle of the screening box 2b through a rotating shaft 2h 1; the magnetic ring 2h2 is coaxially sleeved outside the rotating shaft 2h 1; an adsorption wheel 2h3 is coaxially sleeved outside the magnetic ring 2h2, and an adsorption ring 2h4 is radially extended and arranged on the adsorption wheel 2h 3; the adsorption rings 2h4 are provided in plurality at equal intervals along the axial direction of the ore dressing bucket 2 h.
Based on the above embodiment, the magnetic ring 2h2 is composed of a plurality of permanent magnets; the adsorption ring 2h4 is used for increasing the adsorption area of the surface of the adsorption wheel 2h3, so that the adsorption magnetic separation work of more specularite is realized through the adsorption ring 2h 4; the method realizes the rapid screening of the specularite in the ore raw materials.
Further, as shown in fig. 5:
the blanking element 2l comprises a first mounting frame 2l1, a blanking plate 2l2 and a striker plate 2l 3; the blanking plate 2l2 is fixedly mounted on the left side of the mineral separation barrel 2h through a first mounting frame 2l1, the end part of the blanking plate 2l2 is attached to the outer wall of the mineral separation barrel 2h, and the material blocking plate 2l3 is vertically arranged right below the blanking plate 2l 2; lower flitch 2l2 still runs through with the one end of ore dressing bucket 2h outer wall laminating and has seted up the second and dodge the breach, and the second is dodged breach and adsorption ring 2h4 one-to-one setting.
Based on the above embodiment, when the fine iron frame adsorbed to the outer wall of the mineral separation barrel 2h moves to the position of the blanking plate 2l2 along with the synchronous rotation of the mineral separation barrel 2h, the specularite adsorbed to the outer wall of the mineral separation barrel 2h is scraped away from the mineral separation barrel 2h under the blocking of the blanking plate 2l2, and the scraped specularite falls into the second material guiding bin 2e under the guiding of the material blocking plate 2l 3; collecting through a second material guiding bin 2 e; the second avoidance notch that the one end of flitch 2l2 and ore dressing bucket 2h outer wall laminating was seted up is used for avoiding the adsorption ring 2h4 that sets up on the adsorption wheel 2h3 down.
Further, as shown in fig. 5:
the material returning device 3 comprises a first fixing frame 3a, a spiral feeding machine 3b, a first discharging pipe 3c, a feeding pipe 3d, a second discharging pipe 3e, a discharging port opening and closing element 3f and a first material transferring bin 3 g; the spiral feeding machine 3b is fixedly arranged on one side of the screening box 2b in a vertical state through a first fixing frame 3 a; the first discharge pipe 3c is arranged close to the top of the screening box 2b in an inclined state, and a discharge hole of the first discharge pipe 3c is arranged right opposite to the interior of the material guide bin 2 a; the feeding pipe 3d is radially arranged on one side of the spiral feeding machine 3b, the feeding pipe 3d is arranged close to the bottom of the spiral feeding machine 3b, and the feeding pipe 3d is communicated with the first material guiding bin 2d through the first material transferring bin 3 g; the second discharging pipe 3e is fixedly arranged on the other side of the spiral feeding machine 3b in an inclined state relative to the feeding pipe 3 d; the second discharge pipe 3e is located below the feed pipe 3 d; the discharge port opening and closing element 3f is fixedly arranged on one side of the bottom of the spiral feeding machine 3 b; the output end of the discharge port opening and closing element 3f is arranged at the bottom of the spiral feeding machine 3b in a telescopic mode.
Based on the above embodiment, when the magnetic sieve works in the magnetic adsorption device 2c under the working state, the spiral feeder 3b works synchronously, the spiral feeding paddles inside the spiral feeder 3b rotate at high speed, the non-specularite ore materials screened out by the magnetic adsorption device 2c automatically fall into the first material guiding bin 2d and are conducted from the feeding pipe 3d to the inside of the spiral feeder 3b through the first material guiding bin 2d, the spiral feeder 3b rotationally feeds the non-fine iron ore materials towards the top of the spiral feeder 3b through the internal high-speed rotating spiral feeding paddles until the non-specularite ore materials are guided into the material guiding bin 2a from the first material guiding bin 3c, so that the operation of performing the material returning secondary magnetic separation on the non-specularite ore materials is realized, when the non-specularite magnetic sieve works in one cycle or two or more cycles until the specularite is fully extracted, when non-specularite ore raw materials are poured into to spiral material loading machine 3b inside from inlet pipe 3d, the spiral material feeding oar in the spiral material loading machine 3b at this moment carries out anticlockwise reversal, will get into the non-specularite ore raw materials in the spiral material loading machine 3b towards spiral material loading machine 3b bottom from inlet pipe 3d and carry, export from second discharging pipe 3e department at last, when exporting non-specularite raw materials, the output of discharge gate component 3f that opens and shuts can independently contract, second discharging pipe 3e is kept away from to the axial, thereby open second discharging pipe 3e pan feeding mouth, realize the ore material unloading work to non-specularite.
Further, as shown in fig. 4 and 7:
the discharge opening and closing element 3f comprises a second mounting frame 3f1, an electric push rod 3f2 and a sliding column 3f 3; the sliding column 3f3 is slidably arranged at the bottom of the spiral feeder 3 b; the sliding column 3f3 is in clearance fit with the inner wall of the spiral feeder 3 b; 3h2 is vertically and fixedly arranged at one side of the bottom of the spiral feeder 3b through a second mounting rack 3f 1; the output end of the electric push rod 3f2 is fixedly connected with the side wall of the sliding column 3f3 through a connecting frame 3f 4.
Based on the above embodiment, when non-specularite ore raw materials need to be blanked, the external power supply is firstly connected to drive the electric push rod 3f2 to work, and the output shaft of the electric push rod 3f2 extends to push the sliding column 3f3 arranged at the bottom of the spiral feeder 3b in a sliding manner to axially contract, so that the opening work of the feeding port of the second discharging pipe 3e is realized.
Further, as shown in fig. 8 and 9:
the belt type magnetic screening device 4 comprises a second material transferring bin 4a, a second material controlling element 4b, a second material controlling plate 4b1, an extending frame 4b2, a second locking knob 4b3, a first belt type conveyor 4c, a first material receiving plate 4d and a magnetic adsorption screening mechanism 4 e; the second material transferring bin 4a is covered on the second material guiding bin 2 e; the second material control element 4b can be vertically inserted and pulled at the discharge port of the second material transferring bin 4a, and the second material control element 4b consists of a second material control plate 4b1, an extension frame 4b2 and a second locking knob 4b 3; the second material control plate 4b1 can be vertically arranged at the discharge port of the second material transferring bin 4a in a pulling and inserting manner; the extension frame 4b2 is fixedly arranged on the second material transferring bin 4 a; the second locking knob 4b3 is screwed at the end of the extension frame 4b 2; the locking end of the second locking knob 4b3 is disposed through the extension bracket 4b2 toward the surface of the second retainer plate 4b 1; the first belt conveyor 4c is arranged on the rack 1 in a horizontal state, and the feeding end of the first belt conveyor 4c is positioned right below the second material transferring bin 4 a; the first material receiving plate 4d is fixedly arranged at the other end of the first belt conveyor 4c in an inclined state relative to the second material transferring bin 4 a; the magnetic adsorption screening mechanism 4e is horizontally disposed right above the first belt conveyor 4 c.
Based on the above embodiment, the specularite in the second guiding bin 2e under the working condition is guided to the first belt conveyor 4c under the conduction of the second transferring bin 4a, is conveyed by the first belt conveyor 4c, in the process of conveying, the magnetic adsorption screening mechanism 4e positioned right above the first belt conveyor 4c adsorbs the specularite conveyed on the surface of the first belt conveyor 4c, the specularite conveyed on the first belt conveyor 4c is subjected to material control under the action of the second material control plate 4b1, so that the specularite is flatly paved on the surface of the first belt conveyor 4c at a constant speed, the process of carrying out magnetism through magnetic adsorption screening mechanism 4e and inhaling the screening then can not demonstrate the formation of great magnetic pile like this, the condition that can more not appear mixing with non-specularite mineral raw materials through the magnetic pile appears, can increase substantially the extraction purity to the specularite.
Further, as shown in fig. 8 and 9:
the magnetic adsorption screening mechanism 4e comprises a second supporting frame 4e1, a second belt conveyor 4e2, a magnetic synchronous belt 4e3, a tension wheel 4e4, an adjusting frame 4e5 and a locking bolt 4e 6; the second belt conveyor 4e2 is horizontally arranged on the rack 1 through a second supporting frame 4e1, and the second belt conveyor 4e2 is positioned right above the first belt conveyor 4 c; the transmission belt of the second belt conveyor 4e2 is a magnetic synchronous belt 4e 3; the magnetic synchronous belt 4e3 is arranged at the output end of the second belt conveyor 4e2 in a transmission sleeve way; the tension pulley 4e4 is adjustably arranged in the middle of the second belt conveyor 4e2 through the adjusting brackets 4e5 arranged at the two ends; two sides of the adjusting frame 4e5 are also provided with locking bolts 4e 6; the second material receiving plate 4e7 is fixedly mounted at the end of the second belt conveyor 4e2 in an inclined state, and the second material receiving plate 4e7 is disposed at the end far from the first belt conveyor 4 c.
Based on the above embodiment, in the working state, the magnetic synchronous belt 4e3 rotates counterclockwise under the driving of the second belt conveyor 4e2, and the specularite is adsorbed and conveyed from the lower surface of the magnetic synchronous belt 4e3 to the upper surface of the magnetic synchronous belt 4e3 through the magnetic synchronous belt 4e 3; and the specular iron ore is conveyed towards the second material receiving plate 4e7 direction, and finally the specular iron ore adsorbed to the surface of the magnetic synchronous belt 4e3 is scraped through the second material receiving plate 4e7, so that the secondary magnetic screening work of the specular iron ore is completed, and the tension of the magnetic synchronous belt 4e3 is improved by the tension wheel 4e4, so that the adsorption surface of the magnetic synchronous belt 4e3 is always kept in a tension state.
Further, as shown in fig. 2:
the aggregate unit 5 comprises a first collecting bucket 5a and a second collecting bucket 5 b; the first collecting bucket 5a and the second collecting bucket 5b are respectively arranged under the first material receiving plate 4d and the second material receiving plate 4e7 in a vertical state.
Based on the above embodiment, the first and second buckets 5a and 5b are used to perform the collection work for specularite and non-specularite, respectively.
The method can not only efficiently screen the mineral raw materials, but also accurately extract the specularite in the mineral substances, and adopts multistage circulating screening; high extracting efficiency and purity.
The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A concentrate concentrating machine with multi-stage circulating screening is characterized by comprising a rack (1), a gravity magnetic screening device (2), a material guiding bin (2a), a screening box (2b), magnetic adsorption equipment (2c), a first material guiding bin (2d), a second material guiding bin (2e), a material returning device (3), a belt type magnetic screening device (4) and a material collecting unit (5); the gravity magnetic screening device (2) is fixedly installed on the rack (1) in a vertical state, the gravity magnetic screening device (2) is composed of a material guide bin (2a), a screening box (2b), magnetic adsorption equipment (2c), a first material guide bin (2d) and a second material guide bin (2e), and the material guide bin (2a) is fixedly installed at the top of the screening box (2 b); the magnetic adsorption equipment (2c) is rotatably arranged in the screening box (2b), the bottom of the magnetic adsorption equipment (2c) is also provided with two openings, and the two openings are respectively provided with a first material guide bin (2d) and a second material guide bin (2 e); the feed back device (3) is arranged on one side of the screening box (2b) in a vertical state; one side of the lower end of the feed back device (3), which is close to the feed back device (3), is communicated with the first material guide bin (2d) through a pipeline; belt magnetic force screening device (4) are horizontal state fixed mounting on frame (1), and the pan feeding end of belt magnetic force screening device (4) sets up under second guide stock storehouse (2e) discharge gate department, and unit of gathering materials (5) are vertical state and place in belt magnetic force screening device (4) discharge gate department.
2. A concentrate concentrator with multistage circular screening according to claim 1, characterized in that the guide bin (2a) is further provided with a material control mechanism (2f), and the material control mechanism (2f) is composed of a slide rail (2f1), a first material control plate (2f2), an extension block (2f3) and a first locking knob (2f 4); two groups of slide rails (2f1) are arranged, and the two groups of slide rails (2f1) are oppositely arranged on the inner wall of the material guiding bin (2a) in an inclined state; the first material control plate (2f2) is arranged between the two groups of slide rails (2f1) in a sliding way in an inclined state; the extension block (2f3) is fixedly arranged on one side of the guide bin (2 a); the first locking knob (2f4) is arranged on the extension block (2f3) in a threaded manner, and the locking end of the first locking knob (2f4) penetrates through the extension block (2f3) and faces the side wall of the first material control plate (2f 2).
3. A multi-stage circular screening concentrate concentrator as claimed in claim 2, characterized in that the magnetic adsorption apparatus (2c) comprises a rotary drive (2g), a timing belt (2g1), a servo motor (2g2), a guide plate (2r) and a ramp (2 j); the ore dressing barrel (2h) is rotatably arranged in the middle of the screening box (2 b); the rotary driver (2g) is fixedly arranged on the rack (1), and the transmission end of the rotary driver (2g) is in transmission connection with the driving end of the ore dressing barrel (2 h); the guide plate (2r) is fixedly arranged in the screening box (2b) in a vertical state, the guide plate (2r) is arranged at the upper left corner of the mineral separation barrel (2h), and the lower end of the guide plate (2r) is attached to the outer wall of the mineral separation barrel (2 h); the inclined plane (2j) is arranged on one side of the guide plate (2r), and a first avoidance notch is formed in one end, attached to the ore dressing barrel (2h), of the second guide bin (2 e); the rotary driver (2g) consists of a synchronous belt (2g1) and a servo motor (2g 2); the servo motor (2g2) is fixedly arranged on the rack (1), and the synchronous belt (2g1) is used for driving and connecting an output shaft of the servo motor (2g2) and a driving end of the ore dressing barrel (2 h).
4. A concentrate concentrator with multistage circular screening according to claim 3, characterized in that the concentrating bucket (2h) comprises a rotating shaft (2h1), a magnetic ring (2h2), an adsorption wheel (2h3) and an adsorption ring (2h 4); the ore dressing barrel (2h) is rotatably arranged in the middle of the screening box (2b) through a rotating shaft (2h 1); the magnetic ring (2h2) is coaxially sleeved outside the rotating shaft (2h 1); an adsorption wheel (2h3) is coaxially sleeved outside the magnetic ring (2h2), and an adsorption ring (2h4) is radially extended on the adsorption wheel (2h 3); the adsorption rings (2h4) are arranged in a plurality at equal intervals along the axial direction of the ore dressing barrel (2 h).
5. A concentrate concentrator with multistage circular screening according to claim 4, characterized in that the blanking element (2l) comprises a first mounting frame (2l1), a blanking plate (2l2) and a striker plate (2l 3); the blanking plate (2l2) is fixedly installed on the left side of the mineral separation barrel (2h) through a first installation frame (2l1), the end part of the blanking plate (2l2) is attached to the outer wall of the mineral separation barrel (2h), and the material blocking plate (2l3) is vertically arranged under the blanking plate (2l 2); one end of lower flitch (2l2) and ore dressing bucket (2h) outer wall laminating still runs through and has seted up the second and dodge the breach, and the second dodges the breach and adsorption ring (2h4) one-to-one setting.
6. A concentrate concentrator with multi-stage circular screening according to claim 5, characterized in that the feed back device (3) comprises a first fixed frame (3a), a spiral feeder (3b), a first discharge pipe (3c), a feed pipe (3d), a second discharge pipe (3e), a discharge opening and closing element (3f) and a first transfer bin (3 g); the spiral feeding machine (3b) is fixedly arranged on one side of the screening box (2b) in a vertical state through a first fixing frame (3 a); the first discharging pipe (3c) is arranged close to the top of the screening box (2b) in an inclined state, and a discharging hole of the first discharging pipe (3c) is arranged right opposite to the interior of the material guiding bin (2 a); the feeding pipe (3d) is radially arranged on one side of the spiral feeding machine (3b), the feeding pipe (3d) is arranged close to the bottom of the spiral feeding machine (3b), and the feeding pipe (3d) is communicated with the first material guiding bin (2d) through the first material transferring bin (3 g); the second discharging pipe (3e) is fixedly arranged on the other side of the spiral feeding machine (3b) in an inclined state relative to the feeding pipe (3 d); the second discharge pipe (3e) is positioned below the feed pipe (3 d); the discharge port opening and closing element (3f) is fixedly arranged on one side of the bottom of the spiral feeding machine (3 b); the output end of the discharge port opening and closing element (3f) is arranged at the bottom of the spiral feeding machine (3b) in a telescopic manner.
7. A concentrate concentrator for multistage cyclical screening according to claim 6, wherein the spout opening and closing member (3f) comprises a second mounting bracket (3f1), an electric push rod (3f2) and a sliding column (3f 3); the sliding column (3f3) is slidably arranged at the bottom of the spiral feeder (3 b); the sliding column (3f3) is in clearance fit with the inner wall of the spiral feeding machine (3 b); 3h2 is vertically and fixedly arranged on one side of the bottom of the spiral feeder (3b) through a second mounting rack (3f 1); the output end of the electric push rod (3f2) is fixedly connected with the side wall of the sliding column (3f3) through a connecting frame (3f 4).
8. A concentrate concentrating machine with multi-stage circular screening according to claim 7, characterized in that the belt type magnetic screening device (4) comprises a second transfer bin (4a), a second material control element (4b), a second material control plate (4b1), an extension frame (4b2), a second locking knob (4b3), a first belt type conveyor (4c), a first material receiving plate (4d) and a magnetic adsorption screening mechanism (4 e); the second material transferring bin (4a) is covered on the second material guiding bin (2 e); the second material control element (4b) can be vertically plugged at a discharge port of the second material transferring bin (4a), and the second material control element (4b) consists of a second material control plate (4b1), an extension frame (4b2) and a second locking knob (4b 3); the second material control plate (4b1) can be vertically arranged at the discharge port of the second material transferring bin (4a) in a pulling and inserting manner; the extension frame (4b2) is fixedly arranged on the second material transferring bin (4 a); the second locking knob (4b3) is screwed at the end of the extension frame (4b 2); the locking end of the second locking knob (4b3) is arranged through the extension frame (4b2) towards the surface of the second material control plate (4b 1); the first belt conveyor (4c) is horizontally arranged on the rack (1), and the feeding end of the first belt conveyor (4c) is positioned right below the second material transferring bin (4 a); the first material receiving plate (4d) is fixedly arranged at the other end of the first belt conveyor (4c) in an inclined state relative to the second material transferring bin (4 a); the magnetic adsorption screening mechanism (4e) is arranged right above the first belt conveyor (4c) in a horizontal state.
9. A concentrate concentrating machine with multi-stage circulating screening according to claim 8, characterized in that the magnetic adsorption screening mechanism (4e) comprises a second supporting frame (4e1), a second belt conveyor (4e2), a magnetic synchronous belt (4e3), a tension pulley (4e4), an adjusting frame (4e5) and a locking bolt (4e 6); the second belt conveyor (4e2) is horizontally arranged on the rack (1) through a second supporting frame (4e1), and the second belt conveyor (4e2) is positioned right above the first belt conveyor (4 c); the transmission belt of the second belt conveyor (4e2) is a magnetic synchronous belt (4e 3); the magnetic synchronous belt (4e3) is arranged at the output end of the second belt conveyor (4e2) in a transmission sleeve way; the tensioning wheel (4e4) is adjustably arranged at the middle part of the second belt conveyor (4e2) through adjusting frames (4e5) arranged at two ends; two sides of the adjusting frame (4e5) are also provided with locking bolts (4e 6); the second material receiving plate (4e7) is fixedly arranged at the end part of the second belt conveyor (4e2) in an inclined state, and the second material receiving plate (4e7) is arranged at one end far away from the first belt conveyor (4 c).
10. A concentrate concentrator for multi-stage loop screening according to claim 9, characterized in that the aggregate unit (5) includes a first catchment bucket (5a) and a second catchment bucket (5 b); the first collecting barrel (5a) and the second collecting barrel (5b) are respectively arranged under the first material receiving plate (4d) and the second material receiving plate (4e7) in a vertical state.
CN202210428079.2A 2022-04-22 2022-04-22 Concentrate concentrator of multistage circulation screening Active CN114768996B (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204724319U (en) * 2015-06-03 2015-10-28 武汉科技大学 Combined magnetic iron ore dry type throws tail machine
US20160318036A1 (en) * 2014-01-25 2016-11-03 Shandong Huate Magnet Technology Co., Ltd. Magnetic separator for improving grade of refined ore and reducing slags
CN206286054U (en) * 2016-12-02 2017-06-30 上海百图高新材料科技有限公司 A kind of powder circulation deferrization device
CN206965916U (en) * 2017-08-12 2018-02-06 郑州国食科技有限公司 A kind of novel resistant starch preparation concentration equipment
CN108855613A (en) * 2018-08-08 2018-11-23 云南缘矿科技开发有限公司 A kind of ore magnetic separator
CN209302953U (en) * 2018-11-26 2019-08-27 赣州森航塑胶有限公司 A kind of plastic cement products production reclaimed materials sorting unit and its production system
CN209577017U (en) * 2018-09-18 2019-11-05 徐州赛诺石英有限公司 A kind of association type magnetic separator based on roller and conveyer belt
CN112337647A (en) * 2020-11-23 2021-02-09 邯郸市坤跃选矿机械科技有限公司 Magnetic separator

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160318036A1 (en) * 2014-01-25 2016-11-03 Shandong Huate Magnet Technology Co., Ltd. Magnetic separator for improving grade of refined ore and reducing slags
CN204724319U (en) * 2015-06-03 2015-10-28 武汉科技大学 Combined magnetic iron ore dry type throws tail machine
CN206286054U (en) * 2016-12-02 2017-06-30 上海百图高新材料科技有限公司 A kind of powder circulation deferrization device
CN206965916U (en) * 2017-08-12 2018-02-06 郑州国食科技有限公司 A kind of novel resistant starch preparation concentration equipment
CN108855613A (en) * 2018-08-08 2018-11-23 云南缘矿科技开发有限公司 A kind of ore magnetic separator
CN209577017U (en) * 2018-09-18 2019-11-05 徐州赛诺石英有限公司 A kind of association type magnetic separator based on roller and conveyer belt
CN209302953U (en) * 2018-11-26 2019-08-27 赣州森航塑胶有限公司 A kind of plastic cement products production reclaimed materials sorting unit and its production system
CN112337647A (en) * 2020-11-23 2021-02-09 邯郸市坤跃选矿机械科技有限公司 Magnetic separator

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