CN2481416Y - Artificial diamond magnetic separator - Google Patents

Abstract

The utility model discloses an artificial diamond magnetic separator. The feeder of the magnetic separator has a double feeding trough structure and comprises an upper feeding trough (331) and a lower feeding trough (332), wherein the upper feeding trough is V-shaped, the lower feeding trough is arranged in horizontal direction, the outlet end is arranged between a grading magnet roller (43) and a lower magnetic boot (42); the edge line of an upper magnetic boot (43) and the lower magnetic boot (42) aligns at the rotary center of the grading magnet roller (43) to form into an aligning magnet field; the grading magnet roller (43) adopts the stepless adjustable DC power supply and is driven by a DC motor and a belt transmission mechanism; the gap of the magnetic circuit can be adjusted by adjusting the up-down position of the lower magnetic boot; a material distributing wedge (46) is controlled by a connection rod mechanism (47). The utility model has broad grading range and greatly improves the degree of automation, the grading accuracy and the efficiency.

Description

The diamond magnetic separator

The utility model relates to a kind of benficiation machinery, particularly relates to a kind of diamond magnetic separator that is applicable to fine grained, weak magnetic, expensive material sorting.

Because the existence of ferromagnetism catalyst, diamond is wrapped in diamond crystal inside with some ferromagnetism impurity unavoidably in building-up process.These impurity have significant impact to the mechanical performance of diamond particles, so the diamond industry is making great efforts to solve the problem of how how much carrying out classification according to crystals impurity always.Generally be no more than 1 millimeter, very expensive, the less diamond of sorting amount for granularity, magnetic separator commonly used can't use at all in the ore dressing industry; The small-sized magnetic separator that some laboratories are used was also once selected, but eventually low because of its efficiency of separation, low precision, easily contaminated, spreading is seriously abandoned.Method commonly used at present is: 1, inhale choosing with a permanent magnet on the artificial diamond's building stones that shakeout; 2, with electromagnet the diamond that shakeouts on conveyer belt is inhaled choosing, remove the back outage, put down the material that picks up, and then get back to the conveyer belt top and go to inhale, form a working cycles.Above method all exist separating effect poor, can't accurately control the critical defects such as magnetic material content of being selected materials by branch.

The purpose of this utility model is to overcoming the deficiency of above-mentioned technology, and provide a kind of sorting scope wide, automaticity, sharpness of separation and efficient all improve greatly, are specially adapted to the diamond magnetic separator that weak magnetic superfine granule materials such as similar diamond separates.

For achieving the above object, the utility model provides a kind of diamond magnetic separator, this magnetic separator comprises casing 1, frame 2, electro-vibrating feeder structure 3 and magnetic grader structure 4, and wherein the electro-vibrating feeder structure comprises feed bin 31 and electromagnetic vibrator 32 and dispenser 33; The magnetic grader structure comprises magnetic boots 41, following magnetic boots 42, sorting magnetic roller 43, magnet exciting coil 44, yoke 45 and sub-material splitter 46, it is characterized in that:

A, described dispenser are two feeder trough structures, comprise feeder trough 331 and following feeder trough 332, and wherein going up feeder trough is V-arrangement, and following feeder trough is for being horizontally disposed with, and its port of export places between sorting magnetic roller 43 and the following magnetic boots 42;

The pivot centering of the arris line of b, upper and lower magnetic boots 41,42 and sorting magnetic roller 43 forms a centering magnetic field;

C, sorting magnetic roller 43 adopt the stepless adjustable dc source of output voltage, and are driven by direct current generator and belt gear;

D, magnetic circuit gap can be adjusted by the upper-lower position of adjusting down the magnetic boots;

E, sub-material splitter 46 are by linkage 47 controls.

Described sorting magnetic roller 43 adopts ripple layer composite structure.

As seen from the above technical solution, the utility model efficiently solves the problem that prior art exists.The feasible material that falls from feed bin of two feeder trough structures has guaranteed to walk the even of material through twice shunting; By the electric and magnetic oscillation feeder trough being horizontally disposed with and separating, can realize the sorting of strong and weak magnetic-particle through the sub-material splitter; By adjustable, can realize effective sorting to various different magnetic diamond materials to the stepless continuous in magnetic field intensity, sorting magnetic roller rotating speed, sub-material splitter angle, delivery rate and magnetic circuit gap.The utility model is compared with magnetic separation technology with ore dressing, its magnetic separation is wider, automaticity, sharpness of separation and efficient improve greatly, and it is little that this magnetic separator also has a noise, and energy consumption is low, Distribution of Magnetic Field is even, be easy to regulate and control, working environment improves greatly, the sorting index height, characteristics such as good separation effect are specially adapted to the separation of weak magnetic superfine particles such as similar diamond.

The utility model is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is a structural front view of the present utility model.

Fig. 2 is the side view of Fig. 1.

Fig. 3 is the sectional view of Fig. 1.

Fig. 4 is a magnetic grader structure structural representation.

Consult Fig. 1, Fig. 2, diamond magnetic separator of the present utility model comprises casing 1, frame 2, electro-vibrating feeder structure 3 and magnetic grader structure 4, wherein casing 1 is square, its front portion is provided with panel 11, and panel is provided with control button and instrument, and housing is supported by frame 2.Electro-vibrating feeder structure 3 comprises feed bin 31, electromagnetic vibrator 32 and dispenser 33.Feed bin is funnel-form, is used to add the material of the sorting of wanting, and dispenser is used for mass transport to magnetic grader structure 4.Magnetic grader structure 4 comprises magnetic boots 41, following magnetic boots 42, sorting magnetic roller 43, magnet exciting coil 44, yoke 45 and sub-material splitter 46, wherein sorting magnetic roller is contained between the upper and lower magnetic boots, magnet exciting coil and yoke are contained in the housing, and the sub-material splitter is contained in separation of material material-falling hopper 47 upper ends.

Main points of the present utility model are, described dispenser 33 is two feeder trough structures, comprise feeder trough 331 and following feeder trough 332, wherein going up feeder trough is V-arrangement, the mass transport that it will be fallen by feed bin is to lower horizontal feeder trough 332, following feeder trough is the napex (see figure 1) that is horizontally disposed with and is fixed in electromagnetic vibrator 32, drive it by electromagnetic vibrator and carry out vibrating feed, its port of export places (see figure 4) between sorting magnetic roller 43 and the following magnetic boots 42, make selected artificial diamond mass can pass through magnetic field continuously, and realize sorting.The pivot centering of the arris line of upper and lower magnetic boots 41,42 and sorting magnetic roller 43 forms a centering magnetic field, and upper and lower magnetic boots and sorting magnetic roller formation fixed magnetic pole and the structure (see figure 4) that the rotation magnetic pole is complementary, and makes Distribution of Magnetic Field more even.Sorting magnetic roller 43 adopts the stepless adjustable dc source of output voltage, and is driven by direct current generator and belt gear, make it and can rotate in the adjustable magnetic field of intensity stepless continuous, and energy is stepless, low speed is adjustable continuously.The magnetic circuit gap can be adjusted by the upper-lower position of adjusting down magnetic boots 42, magnetic field intensity is increased as required or reduces.The angle of sub-material splitter 46 can be regulated by linkage 47, this linkage is that the nut (see figure 1) is housed on a screw mandrel, it is contained on the hopper 48, can make splitter angle continuous stepless adjustable, realizes the effective sorting to various different magnetic diamond materials.Sorting magnetic roller 43 is a ripple layer composite structure (as shown in Figure 3), and its surface is provided with the dentation groove, and this structure can effectively improve induced field intensity and tonsure.

Operation principle of the present utility model as shown in Figure 4, the utility model is when work, the magnet exciting coil 44 energising backs that are enclosed within on the yoke 45 produce magnetic field, form magnetic loop by yoke 45, sorting magnetic roller 43 and upper and lower magnetic boots 41,42, at sorting magnetic roller and produce induced field between the magnetic boots up and down, drive sorting magnetic roller by motor, variable-speed motor and rotate; The diamond material is fallen on the V-arrangement feeder trough of top by feed bin, be transported to equably on the lower horizontal feeder trough by it again, under the electromagnetic vibrator vibration, evenly roll forward, during to the workspace, magnetic field, diamond nonmagnetic and extremely weak magnetic falls under gravity in the low magnetic receiving hopper 48.The diamond particles that magnetic is stronger is magnetized, and along with sorting magnetic roller rotates, a part of particle is picked up at 5 places of magnetic gap minimum, leave strong magnetic area with certain rotating speed, and dished out, through the separation of sub-material splitter 46, fall into high magnetic receiving hopper 49 at gravity and centrifugal action.Part magnetic diamond unloads by the material brush, also enters high magnetic receiving hopper, has promptly finished adamantine magnetic sorting.

Claims (2)

1, a kind of diamond magnetic separator comprises casing (1), frame (2), electro-vibrating feeder structure (3) and magnetic grader structure (4), and wherein the electro-vibrating feeder structure comprises feed bin (31) and electromagnetic vibrator (32) and dispenser (33); The magnetic grader structure comprises magnetic boots (41), following magnetic boots (42), sorting magnetic roller (43), magnet exciting coil (44), yoke (45) and sub-material splitter (46), it is characterized in that:

A, described dispenser are two feeder trough structures, comprise feeder trough (331) and following feeder trough (332), and wherein going up feeder trough is V-arrangement, and following feeder trough is for being horizontally disposed with, and its port of export places between sorting magnetic roller (43) and the following magnetic boots (42);

The arris line of b, upper and lower magnetic boots (41), (42) and the pivot centering of sorting magnetic roller (43) form a centering magnetic field;

C, sorting magnetic roller (43) adopt the stepless adjustable dc source of output voltage, and are driven by direct current generator and belt gear;

D, magnetic circuit gap can be adjusted by the upper-lower position of adjusting down the magnetic boots;

E, sub-material splitter (46) are controlled by linkage (47).

2, diamond magnetic separator according to claim 1 is characterized in that, described sorting magnetic roller (43) adopts ripple layer composite structure.

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