CN102764733A - Chromium ore recovering system - Google Patents
Chromium ore recovering system Download PDFInfo
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- CN102764733A CN102764733A CN2012101875552A CN201210187555A CN102764733A CN 102764733 A CN102764733 A CN 102764733A CN 2012101875552 A CN2012101875552 A CN 2012101875552A CN 201210187555 A CN201210187555 A CN 201210187555A CN 102764733 A CN102764733 A CN 102764733A
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Abstract
The invention discloses a chromium ore recovering system which is characterized by comprising a general machine frame; a high intensity magnetic separator is mounted at the top of the general machine frame; a vibrating feeder and a gravity separator are mounted under the high intensity magnetic separator; an iron remover is mounted on the side surface of the gravity separator; a material bin is mounted at the upper part of a machine frame I of the high intensity magnetic separator; a vibrating conveyor is mounted under the material bin; a conveyor belt tensioned by a magnetic roller and a redirection roller is mounted under the vibrating conveyor; an air cleaner, a blower and a blast tank are mounted on the vibrating feeder and the under frame of a machine frame II of the gravity separator; a vibrating case is mounted on the machine frame II; a gravity separating sieve is mounted in the vibrating case; a vibrating sieve is mounted at the front end of the gravity separating sieve; a wind distributing board is mounted under the gravity separating sieve; a reducer is mounted on a machine frame III of the iron remover; an output worm gear of the reducer is inserted in a shaft end of a rotary drum; and a magnetic pole seat is mounted in the inner cavity of the rotary drum. The chromium ore recovering system can sort out valuable weakly-magnetic chromium ore particles in mixed particles from other non-magnetic particles, is high in recovery rate, is good in purity, and has significant economic effects.
Description
Technical field
The present invention relates to a kind of material screening installation, relate in particular to a kind of chrome ore recovery system.
Background technology
Chrome ore density is 4 ~ 4.8t/m3, refractoriness>1900 ℃, at high temperature have the solid-phase sintering characteristic; The effect of good alkali resistance slag is arranged; With iron oxide etc. chemical reaction not taking place, and good anti-penetration and anti-chemical scab effect are arranged, therefore is widely used as the facing sand and the core sand of big-and-middle-sized foundry goods; Along with the increase of improving constantly of requiring of semifinished product precision and casting dimension, the increasing demand of chrome ore is increased.
Because chrome ore and silica sand mix behind the casting falling sand, the past has been caused the waste and the economic loss of resource because there is not reclaimer.The main dependence on import of chrome ore that uses in China's casting industry at present costs an arm and a leg, on average about RMB4500 unit/t. and on the rise, and therefore, reclaiming chrome ore has become the problem that presses for solution in the casting industry.
Casting contains Cr2O3 >=46% with chrome ore, and Fe2O3＜29% belongs to weak magnetic material, and through evidence, in order to adsorb chrome ore effectively, the magnetic induction intensity of magnetic roller surface must be greater than 10000 Gausses.Fe-B rare-earth permanent magnet has high energy product, high-coercive force, and high remanent magnetism reaches in backing field, does not produce good characteristics such as demagnetization, and the back magnetic induction intensity that magnetizes can reach 5000 Gausses, can be used for designing the permanent magnetic system with high field intensity.In order to produce higher field intensity and magnetic field gradient, the magnetic roller of this patent adopts and repels magnetic field magnetic system, and through actual measurement, surface induction intensity reaches 14000 Gausses.
Facts have proved; The mixed sand of chrome ore and silica sand etc. still contains the silica sand of larger proportion in the chrome ore that obtains behind high intensity magnetic separation, the impurity that is magnetized and other ferromagnetism impurity; Its tensile strength only is about 24% of pure chrome ore tensile strength, can not continue to use.Therefore the above-mentioned impurity sorting that must will sneak into wherein through gravity separator, vibratory sieve and magnetic separator de-ironing is again gone out; The chrome ore that these operations of process sort out; Its tensile strength reaches about 70% of pure chrome ore tensile strength; Behind the new chrome ore that replenishes loss on the way, tensile strength can continue to use near new chrome ore.
Summary of the invention
Main purpose of the present invention is: it is not enough to solve existing in prior technology, thereby develops level Four sortings such as a kind of process high intensity magnetic separation, gravity separation, screening and deironing, from mixed sand, sub-elects the recovery system of the chrome ore that can continue to use.
Above-mentioned technical problem of the present invention mainly is able to solve through following technical proposals:
A kind of chrome ore recovery system; It is characterized in that: reasonably vertically arrange the different screening installation of intensity magnetic separator, gravity separator and vibratory sieve, four functions of magnetic separator de-ironing in order; Form a recovery system; Chrome ore and silica sand are separated, and removed impurity such as the particle be magnetized and ferromagnetic particle, reclaim out the chrome ore that can continue to use.
Technical scheme of the present invention can also be further perfect:
As preferably; Said intensity magnetic separator has frame one; The material storehouse is equipped with in the top of said frame one, in the frame one below the said material storehouse jigging conveyer is housed, and is equipped with by the conveyer belt of magnetic roller with the tensioning of changed course roller below the said jigging conveyer; Said magnetic roller is regulated rotating speed through coupled frequency control motor, some discharge buckets is housed below the said conveyer belt;
The gravity separator and vibrating screen with two racks, two on the bottom of the rack-mounted air filter, blower and bellows, vibration mounted on the frame two boxes; said air filter Exports and imports blower connected to the outlet of said Gu fan connected to the inlet air box; said vibrating box two partial lateral position after the installation of a vibration motor, a central location outside mounted barometer; said vibrating box above the lid, the lid above imports two, said vibrating box (306) There are a number of side discharge port, the vibration and air flow through the hose box below adjust the door and bellows connected to the outlet; said vibrating tank Partial upper position sieve fitted with gravity separation, gravity separation sieve shaker attached to the front end position, gravity separation sieve following uniform wind deflector installed.
Said magnetic separator de-ironing has frame three; On the said frame three decelerator is installed, inserts and be connected with the axle head of cylinder in the centre bore of said decelerator output worm gear, the magnetic pole seat that can adjust the position is installed in the inner chamber of said cylinder; The axial line of said magnetic pole seat is consistent with the axial line of cylinder; Said magnetic pole seat appearance vertically is equipped with the permanent magnet that outer surface is an arc surface, and said magnetic separator de-ironing has import three, the adjustment doors that is provided with blade fin below the said import three and cooperates with it.
As preferably, said magnetic roller and changed course roller are respectively by usher to seat eccentric bushing ball bearing and regulate a both sides that are installed in crossbeam of SA HA type.
For the introduction of the magnetic roller NdFeB rare earth permanent magnet materials produced by the disc, the same in the two Ma polarity between the use of the disc as soft iron pole piece, the two alternately stacked, squeezed together.
As preferably, said conveyer belt is provided with upper and lower secondary, and the magnetic roller in subordinate's conveyer belt links to each other through sprocket wheel, chain with the magnetic roller in higher level's conveyer belt.
As preferably, the cutting plate of regulating the rate of recovery or regenerant purity is equipped with in the front lower place of said magnetic roller.
Advantageously, the air box above the cover, said cover has three Ma outlet, the outlet air volume control are connected to the door; said vibrating box is divided into three rooms, the three rooms has a vibrating box below the air inlet , using the vibration box inlet hose with the corresponding air volume control gate connected.
As preferably, said gravity separation sieve by framework, above the framework by the separating sieve sieve plate, form by the guiding pressing plate above the separating sieve sieve plate, mounted angle is 5 ° or 6 ° or 7 ° or 8 ° or 9 °, the three is tightened to one with screw.
As preferably, said separating sieve sieve plate is formed by the compacting of multilaminar high strength degree stainless steel cloth sintering, and thickness is 2.0mm.
As preferably, said vibrating bin links to each other with frame two with 4 vibrating bin springs, and the below of said vibrating bin spring respectively is provided with an adjustment ring, in order to regulate the inclination angle of separating sieve sieve plate.
As preferably; The cornerite of two blocks of magnet steel of head and the tail is 180 ° on the said magnetic pole seat; Described 180 ° of angles that are meant between two end points of magnetic pole seat upper magnetic steel and the magnetic pole seat axle center, on the flange of cylinder one end end face, the other end stretches out from the other end flange hole of cylinder an end of its central shaft with roller bearings; Regulating handle is housed on the external part, and the position of said magnetic pole seat is adjusted by regulating handle.
Beneficial effect of the present invention is:
The present invention adopts multiple working procedures such as high intensity magnetic separation, gravity separation, screening, deironing; Weak magnetic-particle chrome ore valuable in the hybrid particles is sorted out from other non-magnetic particle, and the rate of recovery of chrome ore is high, and purity is good; Its tensile strength reaches about 70% of pure chrome ore tensile strength; Reach the performance indications that can continue to use,, enterprise is produced remarkable economic efficiency for country has practiced thrift a large amount of foreign exchanges.
Description of drawings
Accompanying drawing 1 is a kind of structure collectivity layout drawing of the present invention;
Accompanying drawing 2 is T-T cutaway views of Fig. 1;
Accompanying drawing 3 is intensity magnetic separator side views of Fig. 1;
Accompanying drawing 4 is magnetic roller outline drawings of Fig. 3;
Accompanying drawing 5 is magnetic roller-changed course roller-conveyer belt-crossbeam annexations (M to) of Fig. 3;
Accompanying drawing 6 is N-N cutaway views of Fig. 5;
Accompanying drawing 7 is gravity separator and vibratory sieve general arrangements of Fig. 1;
Accompanying drawing 8 is side views of Fig. 7;
Accompanying drawing 9 is A-A cutaway views of Fig. 7;
Accompanying drawing 10 is B-B cutaway views of Fig. 7;
Accompanying drawing 11 is gravity separation sieve structure figure of Fig. 7;
Accompanying drawing 12 is K-K half-twist cutaway views of Figure 11;
Accompanying drawing 13 is Structure of Vibrating Screen figure of Fig. 7;
Accompanying drawing 14 is vertical views of Figure 12;
Accompanying drawing 15 is magnetic separator de-ironing structure charts of Fig. 1;
Accompanying drawing 16 is side views of Figure 15;
Accompanying drawing 17 is chrome ore recovery system process charts.
Description of reference numerals: intensity magnetic separator 1, gravity separator 3, magnetic separator de-ironing 4, total frame 5 connects pipeline 1, connects pipeline 2 62, connects pipeline 3 63, impurity cabinet 1, impurity cabinet 2 72, impurity cabinet 3 73;
Frame 1, bearing 102, frequency control motor 103, the eccentric bushing ball bearing 104 of usheing to seat is regulated seat 105; Material storehouse 106, jigging conveyer 107, changed course roller 108, cover 109, conveyer belt 110; Crossbeam 111, magnetic roller 112, support 113, cutting plate 114; Regulate bolt 115, bolt 116, permanent magnet 117, pole shoe 118;
Silica sand outlet E1, chrome ore outlet E2, connector three E3, connector four E4; Discharging opening five E5, large granular impurity export six E6, light impurity exports seven E7, connector eight E8, and ferromagnetism impurity exports nine E9, import one I 1; Import two I 2, import three I 3, discharge bucket one A, discharge bucket two B; Discharge bucket three C, discharge bucket four D, pin-and-hole G, dust-exhausting port P.
The specific embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically technical scheme of the present invention.
Embodiment:
The present invention includes total frame 5, on total frame, be vertically installed with intensity magnetic separator 1 in order, gravity separator 3 and vibratory sieve 316, magnetic separator de-ironing 4, above-mentioned screening installation is formed the chrome ore recovery system through connecting pipeline and impurity cabinet etc.
Intensity magnetic separator:
This machine utilizes chrome ore to have the characteristic of weak magnetic, be magnetized particle, ferromagnetic particle of chrome ore and part sorted out from mixed sand, though after secondary magnetic separation the rate of recovery of chrome ore 90%, wherein still contain the silica sand and the magnetic impurity of larger proportion.
Intensity magnetic separator 1 is by frame 1, jigging conveyer 107, and magnetic roller 112, changed course roller 108, crossbeam 111, conveyer belt 110, cutting plate 114, frequency control motor 103 and transmission mechanism are formed, and adopt secondary magnetic separation in order to improve the rate of recovery.
One side of frame one 101 tops is provided with material storehouse 106, and the rear side in material storehouse 106 is provided with the governor motion of control discharge capacity, and frame one 101 upper center are provided with cover 109, and the side away from drawing of cover 109 is provided with overhead door, so that when changing conveyer belt 110, dig; The top of cover 109 is provided with the dust-exhausting port P that is connected with the dust pelletizing system pipeline; The middle lower floor of frame 1 respectively is provided with two discharge bucket one A, discharge bucket two B, discharge bucket three C, discharge bucket four D; All there is covering to hide around the frame 1, leaks with dust protection.
Magnet steel on the magnetic roller 112 adopts Nd-Fe-B rare earth permanent magnetic material; The magnetic induction intensity of this material after magnetizing can reach 5000 Gausses, but still less than 10000 Gausses' that can reliably attract chrome ore requirement, has adopted repulsion magnetic field magnetic system for this reason; Being about to two identical permanent magnet 117 disks of polarity relatively presses together; The middle soft iron disk that adopts is as pole shoe 118, and both are superimposed, closely contact between each surface.Through actual measurement, the magnetic induction intensity on the surface of this magnetic roller reaches 14000 Gausses, meets the requirement that attracts chrome ore.
Be exponential damping because magnetic field intensity increases with distance, therefore adopt ultra-thin, reinforced belt 110, in addition, in order to prevent to be inhaled particle because of electrostatic interaction holds all the time, conveyer belt 110 also has antistatic property.
The structure of changed course roller 108 is the same with the roller of ordinary straps conveyer, and promptly jackshaft is fixed, and outer sleeve rotates, and the two ends of jackshaft and outer sleeve are provided with the closed type rolling bearing.
Change conveyer belt 110 for ease; Magnetic roller 112 and changed course roller 108 respectively through the SAHA type usher to seat eccentric bushing ball bearing 104 and regulate 105 be installed in crossbeam 111 both sides; Cover upper conveyor belt 110, four becomes an individual components between left magnetic roller tube 112 and the changed course roller 108.One end of crossbeam 111 is connected with support 113 on the frame 1 with high-intensity bolt, to connect the back individual components and is cantilever beam structures, but the reliability in order working, and also tightens together through travel(l)ing rest and frame 1 at the other end of crossbeam 111.When changing conveyer belt 110, can easily travel(l)ing rest be pulled down, extract the conveyer belt that to change then out, put new conveyer belt and get final product, again travel(l)ing rest loaded onto after the replacing.The degree of tightness of conveyer belt 110 and correct sideslip and can regulate bolts 115 through two on changed course roller 108 two ends, crossbeam 111 and regulate, regulate meet the requirements after, with bolt 116 roller 108 tightenings that will alter course.The present invention is provided with secondary magnetic separation, therefore has the identical individual components of two covers.
Cutting plate 114 is installed in the front lower place of magnetic roller 112, and the two distance can be regulated according to the purity requirement of the rate of recovery or recovered material.Equally, the present invention has the identical cutting plate of two covers.
Frequency control motor 103 (containing gearbox) is installed on the bearing 102 of frame one 101 middle levels one side, in order to regulate the speed of conveyer belt 110, the material that sorting is different, the speed difference of conveyer belt 110.Transmission mechanism is made up of sprocket wheel, chain etc., during motor 103 work, moves with certain speed through two magnetic rollers 112 of they drivings and two conveyer belts 110, and sprocket wheel, chain are provided with guard shield outward.
Operation principle
, get in the material storehouse 106 through import one I 1 from the mixed sand of sand storage, on the conveyer belt 110 that advances with certain speed below feed equably by jigging conveyer 107 then; After conveyer belt 110 got into magnetic regions, silica sand was not because carrying magnetic not receives the attraction of magnetic force; Under the effect of inertia and gravity, be parabola and dish out forward, drop among hopper one A in the place ahead; And magnetic particles such as chrome ore are attracted on the surface of conveyer belt 110 owing to receive the attraction of magnetic force, after leaving magnetic regions with conveyer belt 110 motions; Fall into hopper two B at rear, and fall into hopper four D, also contain a certain amount of chrome ore in the silica sand that from hopper A, falls; Magnetic roller by the below carries out the sorting second time, and the silica sand after the sorting falls into hopper three C, and chrome ore falls into hopper four D; Outlet three E3 of hopper three C link to each other through pipeline and silica sand outlet E1, and the chrome ore that flows out from outlet four E4 of hopper four D is through vibrations feed appliance 2 entering gravity separators 3.
Gravity separator
Gravity separator 3 is made up of air filter 315, air blast 301, bellows 302, air quantity adjustment doors 303, flexible pipe 304, vibrating bin 306, vibrating motor 310, gravity separation sieve 317, air uniform plate 319, case lid 308, soft envelope 307, vibratory sieve 316, spring 313, adjustment ring 314 and frame 2 305.Air Cleaner 315 is in order to remove airborne dust; In case the sieve plate 321 of gravity separation sieve 317 stops up; It has the thickness cascade filtration, in the felt established after obstruction, can take out cleaning easily, the outlet of air filter 315 links to each other with the import of air blast 301.Air blast 301 adopts high pressure centrifugal ventilator, and its outlet links to each other with the import of bellows 302, in order to obtain selection by winnowing effect preferably; The loam cake of bellows 302 has 3 air outlets, and 3 air outlets link to each other with corresponding air quantity adjustment doors 303 respectively, according to the selection by winnowing requirement; During air-supply; The air quantity of middle flexible pipe 304 can be big slightly, so that the hybrid particles that drops on the sieve plate 321 is realized layering rapidly, makes light material last; Heavy material is down, as long as and the air quantity in other two flexible pipes 304 is kept the particle layering.
Also corresponding three Room that are divided into of vibrating bin 306, each personal flexible pipe 304 of air inlet of below, three Room links to each other with corresponding air quantity adjustment doors 303, and the position, back partially in 306 two outsides of vibrating bin respectively is provided with vibrating motor 310, and mounted angle is 30 °; The medium position in 306 1 outsides of vibrating bin is provided with air gauge 309, and whether the operating air pressure that sieves space between 317 belows and air uniform plate 319 tops in order to the observation gravity separation is normal, and estimates whether the sieve plate 321 or the air filter 315 of gravity separation sieve stop up; When air pressure is higher than specified air pressure certain value, explain that sieve plate 321 seriously stops up; When air pressure is lower than specified air pressure certain value, explain that air filter 315 seriously stops up, and should in time clear up sieve plate or felt.
Gravity separation sieve 317 is positioned at the location on the upper side of vibrating bin 306, and mounted angle is 7 °, is made up of framework 320, sieve plate 321 and guiding pressing plate 322 etc., and the three is tightened to one with screw; Sieve plate 321 is formed by the compacting of multilaminar high strength degree stainless steel cloth sintering, and the about 2mm of thickness can prevent that particle from leaking down, and has air permeability and good again, has more long service life; Respectively be provided with three pin-and-hole G on the both sides channel-section steel of framework 320; Be inserted in the pin-and-hole G with 6 special holding screws 318 at ordinary times; Gravity separation sieve 317 is fixed on the correct position in the vibrating bin 306; After sieve plate 321 obstructions or the wearing and tearing, can unclamp holding screw 318, take out easily with handle 323 and clean or change.
Air uniform plate 319 is positioned at the medium position of vibrating bin 306; Mounted angle is 7 °, and material is a plastic plate, and boring on the plane has expired through hole; Its main application is to make the wind speed appropriateness that blows to sieve plate 321 even; And make wind direction perpendicular to sieve plate, but the resistance of wind when the air uniform plate 319 is little, so that the air quantity of casing 306 medial compartments is bigger slightly than other two Room air quantity.
Have outlet five E5 on the vibrating bin 306, export six E6, export seven E7, the qualified particle that from vibratory sieve 316 mesh, falls flows out from exporting five E5; The bulky grain that exceeds standard on the net, skewed slot flows out from exporting six E6 through the place ahead; Light or the fine particle that is blown afloat slightly by wind moves to low side, and skewed slot flows out from exporting seven E7 through the rear.Four springs 313 of vibrating bin 306 usefulness link to each other with frame 305, thus during vibrating motor 310 work vibrating bin 306 also with correspondent frequency and amplitude vibration.An adjustment ring 314 is respectively established in the below of four springs 313; In order to regulate the inclination angle of sieve plate 321; One of every increase and decrease, the inclination angle of sieve plate 321 just increases and decreases 1 °, so the inclination angle of sieve plate 321 can be selected in 5 °, 6 °, 7 °, 8 °, 9 ° are spent five grades according to material properties and separating effect.
Operation principle
The chrome ore to be selected that from connector four E4 of intensity magnetic separator 1 hopper four D, falls gets into from import two I 2 through vibrations feed appliance 2, drops on uniformly on the sieve plate 321 of gravity separation sieve; At first under the effect of vibrating bin 306 medial compartment wind-force, realize layering rapidly; Make heavy particle down, gently reach fine particle, because sieve plate 321 and vibrating motor 310 have suitable positive pitch last; So under the effect of wind-force; Lighter silica sand that is blown afloat slightly and fine particle leave compass screen surface and move to low side, become tailing, and skewed slot exports seven E7 outflow from light impurity through the rear; And heavier chrome ore or bigger particle can not be blown up, and on compass screen surface, move back and forth because sieve plate 321 is ellipse under the drive of vibrating motor 320, and they are moved to high-end, get into vibratory sieve 316, thereby have realized the separation of weight particle.This machine can be regulated air quantity, the angle of sieve plate 321 or the exciting force of vibrating motor 310 according to the requirement of production capacity or separating purity.
Get into the particle of vibratory sieve 316, the bulky grain that particle diameter exceeds standard slips into the hopper in the place ahead from screen cloth 324 tops, export six E6 from large granular impurity and flow out, and qualified from the mesh of screen cloth 324, the leaking down of particle diameter flowed out from export five E5.
The chrome ore that flows out from outlet E5 gets into magnetic separator de-ironing 4, and exports impurity that seven E7 flow out pipeline 1 and the pipeline 3 63 through separately from large granular impurity outlet six and light impurity, collects in the impurity cabinet 1 and impurity cabinet 3 73 of below.
Magnetic separator de-ironing
Magnetic separator de-ironing 4 is by decelerator 401, cylinder 402, slide plate 403, the magnet steel 404 of translator, magnetic pole seat 405, compositions such as Rocker arm 4 06, adjustment doors 407, frame 3 408 and regulating handle 409.Decelerator 401 is installed on the support that fuses with frame 3 408, inserts the axle head of cylinder 402 in the centre bore of its output worm gear, and connects with keyway, so during decelerator 401 work, cylinder 402 is with certain rotational speed.Magnetic pole seat 405 is installed in the inner chamber of cylinder 402; Both axial lines are consistent; It is about 180 ° fan-shaped that the section of magnetic pole seat 405 is, mounting permanent magnet 404 on 5 vertical rectangular planes of appearance, and the material of permanent magnet 404 is a neodymium iron boron; Therefore the inner peripheral surface distance＜3mm of its arcuate surface and cylinder 402 guarantees that the magnetic induction intensity on cylinder 402 surfaces reaches 2500-3000 Gauss.Magnetic pole seat 405 is fixed; One end of its central shaft with roller bearings on the flange of cylinder 402 1 end end faces; The other end stretches out from the other end flange hole of cylinder 402; Regulating handle 409 is housed on the external part, and the position of magnetic pole seat 405 can be by handle 409 adjustment, so that strong, weak magnetic-particle flows out from two outlet E8 of frame 408 belows or E9 exactly.Adjustment doors 407 can be absorbed by the magnetic force on cylinder 402 surfaces in order to prevent gritting spatterings and to control sand dust thickness, to make the ferromagnetic particle that is in cylinder 402 surfaces reliably.For keeping sand grains here, the surface of cylinder 402 is provided with some vertically outstanding muscle.Adjustment doors 407 ends are from the distance on cylinder 402 surfaces, and available Rocker arm 4 06 is regulated.
Operation principle
From the material that outlet five E5 of gravity separator 3 flow out, three I 3 get into magnetic separator de-ironings 4 through import, after the entering at first by slide plate 403 guiding; Flow into the surface of cylinder 402; And layer of sand being attached on the surface of cylinder 402 by adjustment doors 407, the magnetic force on cylinder 402 surfaces can not attract the very weak chrome ore of magnetic, but can attract ferromagnetism impurity reliably; The former flows out from the place ahead connector eight E8 with the rotation of cylinder 402, and hopper flows out from chrome ore outlet E2 through the below; And the latter is attracted on the surface of cylinder 402, after cylinder 402 leaves magnetic regions, exports nine E9 from the ferromagnetism impurity at rear and to flow out, and from the pipeline 2 62 that ferromagnetism impurity outlet E9 links to each other, flows out then, flows in the impurity cabinet 2 72.
Claims (10)
1. a chrome ore recovery system is characterized in that: reasonably vertically arrange intensity magnetic separator (1), gravity separator (3) and vibratory sieve (316), (4) four screening installations that function is different of magnetic separator de-ironing in order, form a recovery system.
2. chrome ore recovery system according to claim 1 is characterized in that:
Said intensity magnetic separator (1) has frame one (101); Material storehouse (106) is equipped with in the top of said frame one (101); In the frame one (101) below the said material storehouse jigging conveyer (107) is housed; Be equipped with below the said jigging conveyer (107) by the conveyer belt (110) of magnetic roller (112) and the tensioning of changed course roller (108), said magnetic roller (112) is regulated rotating speed through coupled frequency control motor (103), and said conveyer belt is equipped with some discharge buckets below (110);
The gravity separator (3) and shaker (316) includes a frame two (305), the two bottom-mounted chassis air filter (315), Blowers (301) and bellows (302) said frame two (305) is equipped with a vibrating box (306); said air filter (315) with the blower outlet (301) is connected to the import, export and said Gu fan bellows (302) import connected; said vibrating tank (306) after the two outer side of the mounting position of the vibration motor (310), a middle part of the outer gauge is mounted (309); said vibrating box (306) above the cover ( 308), the lid above import two (Ⅰ 2), the vibration box (306) There are a number of side discharge port, said vibrating box (306) below through the hose (304) and air volume damper (303) and bellows connected to the outlet; said vibrating box (306) position within the top side mounted gravity separation sieve (317), gravity separation sieve shaker attached to the front end position (316), gravity separation uniform wind screen installed below plate (319);
Said magnetic separator de-ironing (4) has frame three (408); Decelerator (401) is installed on the said frame three; Insert and be connected with the axle head of cylinder (402) in the centre bore of said decelerator output worm gear; The magnetic pole seat (405) that can adjust the position is installed in the inner chamber of said cylinder (402), and the axial line of said magnetic pole seat (405) is consistent with the axial line of cylinder (402), and said magnetic pole seat (405) appearance vertically is equipped with the permanent magnet that outer surface is an arc surface (404); Said magnetic separator de-ironing (4) has import three (I 3), the adjustment doors (407) that is provided with blade fin (403) below the said import three (I 3) and cooperates with it.
3. chrome ore recovery system according to claim 2 is characterized in that: said magnetic roller (112) and changed course roller (108) are respectively by usher to seat eccentric bushing ball bearing (104) and regulate two sides that (105) are installed in crossbeam (111) of SA HA type.
As claimed in claim 2 or 3, wherein the chromium ore recovery system, characterized in that: said magnetic roller (112) is a rare earth permanent magnet material NdFeB disc of the same polarity in the second of said Ma as the disc between the use of soft iron pole piece (118), the two alternately stacked, squeezed together.
5. according to claim 2 or 3 described chrome ore recovery systems, it is characterized in that: said conveyer belt (110) is provided with upper and lower secondary, and the magnetic roller (112) in subordinate's conveyer belt links to each other through sprocket wheel, chain with the interior magnetic roller (112) of higher level's conveyer belt.
6. according to claim 2 or 3 described chrome ore recovery systems, it is characterized in that: the cutting plate (114) of regulating the rate of recovery or regenerant purity is equipped with in the front lower place of said magnetic roller (112).
As claimed in claim 2 or 3, wherein the chromium ore recovery system, characterized in that: said bellows (302) above a cover, said cover has three outlet Ma, respectively connected with the air outlet of the air volume control doors (303); said vibrating tank (306) is divided into three rooms, three-compartment beneath the inlet box with vibration, the vibration using the hose inlet tank (304) with the corresponding air volume control gate (303) is connected.
8. according to claim 2 or 3 described chrome ore recovery systems; It is characterized in that: said gravity separation sieve (317) by framework (320), separating sieve sieve plate (321) arranged above the framework, have guiding pressing plate (322) to form above the separating sieve sieve plate; Mounted angle is 5 ° or 6 ° or 7 ° or 8 ° or 9 °, and the three is tightened to one with screw.
9. chrome ore recovery system according to claim 8 is characterized in that: said separating sieve sieve plate (321) is formed by the compacting of multilaminar high strength degree stainless steel cloth sintering, and thickness is 2.0mm.
10. according to claim 2 or 3 described chrome ore recovery systems; It is characterized in that: said vibrating bin (306) links to each other with frame two (305) with 4 vibrating bin springs (313); The below of said vibrating bin spring (313) respectively is provided with an adjustment ring (314), in order to regulate the inclination angle of separating sieve sieve plate (321).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210187555.2A CN102764733B (en) | 2012-06-07 | 2012-06-07 | Chromium ore recovering system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210187555.2A CN102764733B (en) | 2012-06-07 | 2012-06-07 | Chromium ore recovering system |
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| CN102764733A true CN102764733A (en) | 2012-11-07 |
| CN102764733B CN102764733B (en) | 2014-04-16 |
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| CN201210187555.2A Expired - Fee Related CN102764733B (en) | 2012-06-07 | 2012-06-07 | Chromium ore recovering system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357501A (en) * | 2013-08-01 | 2013-10-23 | 隋鑫 | Wind power permanent magnetism dressing machine |
| CN103736915A (en) * | 2014-01-27 | 2014-04-23 | 无锡锡南铸造机械有限公司 | Short-process chromite sand recycling system |
| CN113731795A (en) * | 2021-09-17 | 2021-12-03 | 中国人民解放军63653部队 | Vibrating screen |
| CN116603972A (en) * | 2023-07-20 | 2023-08-18 | 山西三联顺驰汽车配件有限公司 | Regeneration and selection process for Baozhu sand |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357501A (en) * | 2013-08-01 | 2013-10-23 | 隋鑫 | Wind power permanent magnetism dressing machine |
| CN103357501B (en) * | 2013-08-01 | 2015-10-28 | 隋鑫 | Wind power magneto ore separators |
| CN103736915A (en) * | 2014-01-27 | 2014-04-23 | 无锡锡南铸造机械有限公司 | Short-process chromite sand recycling system |
| CN103736915B (en) * | 2014-01-27 | 2016-04-06 | 无锡锡南铸造机械股份有限公司 | Short route chromite sand reclaiming system |
| CN113731795A (en) * | 2021-09-17 | 2021-12-03 | 中国人民解放军63653部队 | Vibrating screen |
| CN116603972A (en) * | 2023-07-20 | 2023-08-18 | 山西三联顺驰汽车配件有限公司 | Regeneration and selection process for Baozhu sand |
| CN116603972B (en) * | 2023-07-20 | 2023-10-31 | 山西三联顺驰汽车配件有限公司 | Regeneration and selection process for Baozhu sand |
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