CN110314766B - Magnetite ore dressing equipment - Google Patents
Magnetite ore dressing equipment Download PDFInfo
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- CN110314766B CN110314766B CN201910615958.4A CN201910615958A CN110314766B CN 110314766 B CN110314766 B CN 110314766B CN 201910615958 A CN201910615958 A CN 201910615958A CN 110314766 B CN110314766 B CN 110314766B
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- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 110
- 238000007885 magnetic separation Methods 0.000 claims abstract description 80
- 238000005520 cutting process Methods 0.000 claims abstract description 32
- 238000012216 screening Methods 0.000 claims abstract description 29
- 238000005406 washing Methods 0.000 claims abstract description 10
- 230000007306 turnover Effects 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims description 21
- 238000000227 grinding Methods 0.000 claims description 21
- 238000002955 isolation Methods 0.000 claims description 14
- 238000005096 rolling process Methods 0.000 claims description 14
- 238000011084 recovery Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 7
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 67
- 239000011707 mineral Substances 0.000 abstract description 67
- 230000000694 effects Effects 0.000 abstract description 15
- 239000002994 raw material Substances 0.000 abstract description 8
- 230000008859 change Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 11
- 238000012545 processing Methods 0.000 description 9
- 238000007790 scraping Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 239000012535 impurity Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 239000006148 magnetic separator Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
-
- 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
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
Abstract
The invention relates to magnetite beneficiation equipment, which comprises a cutting system, a primary crushing system, a secondary crushing system, a screening and washing system and a magnetic separation system which are sequentially arranged from top to bottom; the cutting system can change the placing state of the ore raw materials through the turnover mechanism, and can carry out omnibearing cutting on the ore by combining a plurality of cutting mechanisms, so that the problems of machine operation jamming and the like can not be caused. According to the invention, the cut mineral aggregate is sequentially subjected to two-pole crushing through the primary crushing system and the secondary crushing system, the crushing effect is good, the mineral aggregate with the size approaching to the same size can be obtained without repeated or reverse reworking in the shortest time, and the crushing efficiency is high. According to the magnetic separation system, the two magnetic separation mechanisms are used for respectively carrying out twice magnetic separation on mineral aggregates, magnetite in the mineral aggregates can be effectively screened out through twice magnetic separation, the magnetic separation effect is greatly improved, and high-quality magnetic attraction screening collection of metallic magnetite is realized.
Description
Technical Field
The invention belongs to the technical field of mineral processing equipment, and particularly relates to magnetite mineral processing equipment.
Background
In China, 97% of iron ores need ore dressing treatment, and magnetite ore dressing is always the main body of iron ore dressing. The mineral separation is a process of separating useful minerals from gangue minerals by adopting a gravity separation method, a flotation method, a magnetic separation method, an electric separation method and the like after crushing and grinding the ores according to the physical and chemical properties of different minerals in the ores, and separating various symbiotic or associated useful minerals from each other as much as possible to remove or reduce harmful impurities so as to obtain raw materials required by smelting or other industries.
The mineral separation equipment is a mineral separation process mainly used tools. The existing mineral processing equipment has certain defects, firstly, the existing mineral processing equipment has single function, can only simply cut ores, has no special crushing mechanism, has poor crushing effect, is easy to cause the jamming of subsequent processing machines and even damage due to overlarge ore particles, different sizes and overlarge hardness in the subsequent mineral processing process, and not only affects the mineral processing period, but also can generate great potential safety hazards. Secondly, current mineral processing equipment does not possess screening cleaning function or cleaning performance poor, can't realize the earlier stage screening cleaning to the ore raw materials, is unfavorable for going on in order of follow-up magnetic separation. Thirdly, the existing mineral separation equipment can only roughly screen mineral substances, can not accurately separate and strip high-value magnetite with metal properties from impurities without metal properties, has a poor magnetic separation effect, and enables subsequent treatment to be complicated and processing efficiency to be low.
Thus, based on the above-mentioned drawbacks, there is still a need for research and improvement on new magnetite beneficiation equipment in the technical field of beneficiation equipment, which is a research hotspot and focus in the field at present, and more particularly, the starting point and power of the present invention.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide magnetite dressing equipment with good cutting and crushing effects and high-efficiency cleaning, magnetic separation and screening functions.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a magnetite beneficiation device comprises a cutting system, a primary crushing system, a secondary crushing system, a screening and washing system and a magnetic separation system which are sequentially arranged from top to bottom;
the cutting system comprises a feeding funnel and a first working groove connected with the lower end of the feeding funnel, wherein a turnover mechanism is arranged in the middle of the first working groove, a plurality of first openings are formed in the two side walls of the first working groove, a cutting mechanism is correspondingly arranged at the first opening position, and a second isolation door is arranged at the tail end of the first working groove;
the first-stage crushing system comprises a first bent pipe, an air supply pipe, a working pipeline and a second bent pipe; one end of the first elbow is connected with the tail end of the first working groove, the other end of the first elbow is sequentially connected with a working pipeline and a second elbow, the blast pipe is arranged at the top of the first elbow, the fan is arranged at the top of the blast pipe, and the first crushing mechanism is arranged on the working pipeline;
the secondary crushing system comprises a working groove II, a crushing mechanism III, a screen bar and a baffle; one end of the second working groove is connected with the lower end of the second bent pipe, a plurality of crushing mechanisms II are arranged on one side, close to the second bent pipe, of the second working groove, a crushing mechanism III is arranged on one side, far away from the second bent pipe, of the second working groove, a screen mesh consisting of a plurality of staggered screen bars is arranged at the inner bottom of the second working groove, corresponding to the position of the crushing mechanism III, and a baffle is arranged at the bottom edge of the screen mesh;
the screening and washing system comprises a screening mechanism, a cleaning mechanism, a workbench and a first collecting funnel, wherein the screening mechanism and the cleaning mechanism are arranged on the workbench, and the first collecting funnel is arranged on one side of the cleaning mechanism and is communicated with the bottom of the workbench;
the magnetic separation system comprises a first magnetic separation mechanism and a second magnetic separation mechanism, wherein the first magnetic separation mechanism is positioned below the collecting hopper, and the second magnetic separation mechanism is positioned below the magnetic separation mechanism;
the first magnetic separation mechanism comprises a sliding rail IV, a sliding block, a magnetic separation funnel, a groove, an electromagnetic coil and a sliding door; the magnetic separation funnel both sides pass through the slider and slide and set up on the slide rail is fourth, the magnetic separation funnel inner wall is equipped with a plurality of recess, is equipped with the electromagnetic coil on the magnetic separation funnel outer wall that corresponds with the recess position, and the magnetic separation funnel bottom is equipped with the sliding door.
Preferably, the method comprises the steps of, the turnover mechanism comprises a first isolation door, a second slide rail and a rotating roller; the second slide rail is arranged on the two side walls of the first working groove respectively, the two ends of the rotating roller are arranged on the second slide rail in a sliding manner, and the first working grooves on the front side and the rear side of the rotating roller are respectively provided with a first isolation door.
Preferably, the cutting mechanism comprises a first sliding rail and a rotary cutter, the first sliding rail is arranged on the outer wall of the first working groove, the rotary cutter is arranged on the first sliding rail, and the position of the rotary cutter corresponds to the position of the first opening and partially stretches into the first working groove.
Preferably, the crushing mechanism I comprises an opening II, a chute, a grinding roller, a rotating shaft I, a telescopic arm, a deflection plate and a rotating machine; the two sides of the working pipeline are respectively provided with an opening II, the two positions of the opening II are correspondingly provided with a chute, the grinding roller is arranged on the chute, two ends of the grinding roller are connected with the rotating shaft I, the end part of the rotating shaft I is arranged on the telescopic arm, and the deflection plate is arranged in the middle part of the working pipeline and connected with the rotating machine positioned on the outer wall of the working pipeline.
Preferably, the crushing mechanism II comprises a motor I, a telescopic rod I, a rotary pressure head and a cutter head; the first motor is arranged above the second working groove through the support frame, one end of the first telescopic rod is connected with the first motor, the other end of the first telescopic rod is connected with the rotary pressure head, and a plurality of cutter heads are arranged at the bottom of the rotary pressure head.
Preferably, the bottom of the second working groove is provided with a plurality of flanges, and the flanges correspond to the rotary pressure head in position.
Preferably, the crushing mechanism III comprises a motor II, a telescopic rod II, a rotary lantern ring and a swinging crushing head; the second motor is arranged above the second working groove through the supporting frame, the lower end of the second motor is connected with the second telescopic rod, the lower end of the second telescopic rod is connected with the rotary lantern ring, the plurality of swinging crushing heads are arranged on one rotary shaft, and two ends of the rotary shaft are arranged on the rotary lantern ring.
Preferably, the screening mechanism comprises a basket, a first roller shutter door, a first rail, a strip hole, a convex strip, a second rail, a second roller shutter door, a rotary mechanical arm, a telescopic column, a pulley and a third sliding rail; the three setting of slide rail is on the workstation, and the coaster slides and sets up on the slide rail three, and flexible post sets up on the coaster, and rotatory arm sets up in flexible post upper end, and rotatory arm one end is connected with basket one side, and basket one end is equipped with rolling slats door one, and rolling slats door one installs on track one, and many strip holes have been seted up to the basket bottom, and the basket bottom in basket bottom is equipped with many sand strips, and the basket bottom side in strip hole place is equipped with track two, installs rolling slats door two on the track two.
Preferably, the cleaning mechanism comprises a valve, a water pipe, a pipe network, a spray head and a recovery tank; the recovery tank sets up on the workstation, the pipe network is located the recovery tank directly over, and the pipe network bottom evenly is equipped with a plurality of shower nozzles, and pipe network one end is connected with the valve through the water pipe.
Preferably, the magnetic separation mechanism II comprises a collection funnel II, a conveying crawler belt, a baffle ring, a crawler belt group, a magnetic suction head, a scraping plate, a rotating shaft II, a sliding rail V and a summarizing groove; the magnetic separation device is characterized in that the collecting hopper is arranged below the magnetic separation hopper through a support, the conveying crawler belt is arranged below the collecting hopper II, baffle rings are arranged on two sides of the conveying crawler belt, a crawler belt group is arranged in the middle of the conveying crawler belt, a plurality of magnetic suction heads are uniformly arranged on the crawler belt group, a scraper is arranged at one end of the highest point of the crawler belt group, two sides of the scraper are connected with the rotating shaft II, the rotating shaft II is arranged on the sliding rail five, and a collecting groove is formed in the lower portion of the scraper.
The invention has the beneficial effects that:
(1) The cutting system can change the placing state of the ore raw materials through the turnover mechanism, and can carry out all-round cutting on different parts of the ore raw materials by combining a plurality of cutting mechanisms, so that the ore raw materials are cut to be smaller, the problems of machine operation jamming and the like are avoided, the subsequent screening is convenient, and the mining efficiency is high. The rotary cutter through the cutting mechanism changes the size of the part extending into the first working groove by moving on the first sliding rail, so that the cutting force and efficiency are controlled.
(2) According to the invention, the cut mineral aggregate is sequentially subjected to two-pole crushing through the primary crushing system and the secondary crushing system, the crushing effect is good, the mineral aggregate with the size approaching to the same size can be obtained without repeated or reverse reworking in the shortest time, and the crushing efficiency is high.
(3) As the number of the parts of the grinding roller, which extend into the working pipeline, of the grinding roller in the first crushing mechanism can be regulated through the extension and contraction of the extension arm, the distance between the grinding roller and the deflection plate is controlled, the purpose of regulating the crushing efficiency is achieved, namely, the distance between the grinding roller and the deflection plate is shortened, so that mineral aggregate is fully extruded and crushed between the grinding roller and the deflection plate, and the crushing effect can be effectively improved. Because the rotary pressure head and the flange in the crushing mechanism II are matched, the upper and lower surfaces of the mineral aggregate can be subjected to rotary extrusion crushing, the upper and lower surfaces of the raw material can have resistance, can improve and roll crushing effect, the tool bit can rotate extrusion in-process cutting ore at rotatory pressure head, improves crushing effect greatly.
(4) The screening mechanism combines the design of the second rolling door through the strip hole, so that mineral aggregate can be firstly subjected to vibration soaking and washing, when impurities on the surface of the mineral aggregate are separated, the second rolling door is rolled up to expose the strip hole, so that the impurities and sewage are screened and discharged from the strip hole, and the washed clean mineral aggregate is left in the basket, and the washing effect can be effectively improved through the design.
(5) According to the magnetic separation system, two magnetic separation mechanisms are used for respectively carrying out twice magnetic separation on mineral aggregates, the large-particle metallic magnetite in the mineral aggregates is magnetically separated out through the first magnetic separation mechanism, the rest mineral aggregates are magnetically separated out again in the second magnetic separation mechanism, part of the non-screened metallic magnetite is magnetically separated out through the magnetic suction head and the scraping plate, the sexual magnetite magnetically separated out through the two magnetic separation mechanisms is collected through the collecting groove, the magnetite in the mineral aggregates can be effectively screened out through the two magnetic separation mechanisms, the magnetic separation effect is greatly improved, and high-quality magnetic attraction screening collection of the metallic magnetite is realized.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the cutting system of the present invention;
FIG. 3 is a schematic diagram of the primary crushing system of the present invention;
FIG. 4 is a partial cross-sectional view of a first stage crushing system of the present invention;
FIG. 5 is a partial cross-sectional view of a second embodiment of the primary crushing system of the present invention;
FIG. 6 is a schematic diagram of the secondary crushing system of the present invention;
FIG. 7 is a cross-sectional view of the secondary crushing system of the present invention;
FIG. 8 is a schematic view of a second embodiment of the crushing mechanism of the present invention;
FIG. 9 is a schematic diagram of a screening mechanism according to the present invention;
FIG. 10 is a second schematic diagram of the screening mechanism of the present invention;
FIG. 11 is a schematic diagram of a screening mechanism according to the present invention;
FIG. 12 is a schematic view of the structure of the cleaning mechanism of the present invention;
FIG. 13 is a schematic view of the structure of the work table of the present invention;
FIG. 14 is a schematic diagram of a first magnetic separator of the present invention;
FIG. 15 is a schematic diagram II of a first magnetic separator of the present invention;
FIG. 16 is a schematic structural view of a second magnetic separator of the present invention.
The crushing device comprises a feeding funnel 1, a first working groove 101, a first opening 102, a first sliding rail 103, a rotary cutter 104, a first isolation door 105, a second sliding rail 106, a rotating roller 107, a second isolation door 108 and a crushing system, wherein: elbow one 2, blast pipe 201, fan 202, working duct 203, opening two 204, chute 205, roller 206, shaft i 207, telescoping arm 208, deflector 209, rotary press 2010, elbow two 2011, working tank two 3, motor one 301, telescoping rod one 302, rotating ram 303, tool head 304, flange 305, motor two 306, telescoping rod two 307, rotating collar 308, rocking crushing head 309, screen bar 3010, baffle 3011, basket 4, roller shutter one 401, track one 402, bar hole 403, ridge 404, track two 405, roller shutter two 406, rotating arm 407, telescoping post 408, sled 409, slide three 4010, valve 5, water pipe 501, pipe network 502, shower head 503, recovery tank 504, table 6, collection hopper one 601, slide four 7, slider 701, magnetic separation hopper 702, groove 703, electromagnetic iron ring 704, sliding door 705, collection hopper two 8, conveyor track 9, baffle ring 901, track set 10, magnetic summary head 11, shaft ii, slide five 1102, and chute 12.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-16, the magnetite beneficiation equipment comprises a cutting system, a primary crushing system, a secondary crushing system, a screening and washing system and a magnetic separation system which are sequentially arranged from top to bottom;
the cutting system comprises a feeding funnel 1 and a first working groove 101 connected with the lower end of the feeding funnel 1, wherein a turnover mechanism is arranged in the middle of the first working groove 101, a plurality of first openings 102 are formed in two side walls of the first working groove 101, the positions of the first openings 102 are correspondingly provided with cutting mechanisms, and a second isolation door 108 is arranged at the tail end of the first working groove 101; ore raw materials enter a front half area in the first working groove 101 from the feeding funnel 1, are transversely cut by a cutting mechanism in the area, then flow into a rear half area in the first working groove 101 after being turned over by a turning mechanism in the middle of the first working groove 101 to change the placement state of the ore materials, are transversely cut again by the cutting mechanism in the area, finish secondary cutting of the ore materials, and finally flow into the first bent pipe 2 of the first-stage crushing system by opening the second isolation door 108. The second isolation gate 108 ensures that the mineral aggregate flows into the next process after the secondary cutting is completed.
The turnover mechanism comprises a first isolation door 105, a second slide rail 106 and a rotating roller 107; the second slide rail 106 is respectively arranged on the two side walls of the first working groove 101, the two ends of the rotating roller 107 are slidably arranged on the second slide rail 106 to realize free sliding, and when mineral aggregate flows through, the mineral aggregate is overturned to change the placement state of the mineral aggregate so as to finish cutting in different positions, the first working groove 101 on the front side and the rear side of the rotating roller 107 is respectively provided with the first isolation door 105, and the first isolation door 105 can ensure that the mineral aggregate which is cut once is overturned effectively in the middle of the first working groove 101.
The cutting mechanism comprises a first slide rail 103 and a rotary cutter 104, the first slide rail 103 is arranged on the outer wall of the first working groove 101, the rotary cutter 104 is arranged on the first slide rail 103, the position of the rotary cutter 104 corresponds to that of the first opening 102 and partially stretches into the first working groove 101, an electrode is arranged in the first slide rail 103 and can drive the rotary cutter 104 to rotate at a high speed, and meanwhile the rotary cutter 104 moves on the first slide rail 103 to change the size of a part stretching into the first working groove 101, so that cutting force and efficiency are controlled.
The first-stage crushing system comprises a first bent pipe 2, an air supply pipe 201, a working pipeline 203 and a second bent pipe 2011; one end of the first elbow pipe 2 is connected with the tail end of the first working groove 101, the other end of the first elbow pipe 2 is sequentially connected with the working pipeline 203 and the second elbow pipe 2011, the air supply pipe 201 is arranged at the top of the first elbow pipe 2, the fan 202 is arranged at the top of the air supply pipe 201, the fan 202 conveys wind power into the first elbow pipe 2 through the air supply pipe 201 to ensure that mineral aggregate smoothly enters the working pipeline 203 from the first elbow pipe 2, and the first crushing mechanism is arranged on the working pipeline 203; the mineral aggregate subjected to secondary cutting flows into the working pipeline 203 through the first bent pipe 2 to be subjected to primary crushing, and then flows into the working tank 3 through the second bent pipe 2011 to be subjected to secondary crushing.
The crushing mechanism I comprises an opening II 204, a chute 205, a grinding roller 206, a rotating shaft I207, a telescopic arm 208, a deflection plate 209 and a rotary machine 2010; two sides of the working pipeline 203 are respectively provided with a second opening 204, the positions of the second opening 204 are correspondingly provided with sliding grooves 205, a grinding roller 206 is arranged on the sliding grooves 205, two ends of the grinding roller 206 are connected with a rotating shaft I207, the end part of the rotating shaft I207 is arranged on a telescopic arm 208, a deflection plate 209 is arranged in the middle part of the working pipeline 203 and is connected with a rotating machine 2010 positioned on the outer wall of the working pipeline 203, and the rotating machine 2010 drives the deflection plate 209 to rotate. The telescopic arm 208 is internally provided with a motor which can drive the grinding roller 206 to rotate through the rotary shaft I207, and meanwhile, the position of the grinding roller 206 on the chute 205 can be adjusted through the telescopic of the telescopic arm 208, so that the number of the grinding roller 206 extending into the position of the working pipeline 203 through the opening II 204 is changed, and the distance between the grinding roller 206 and the deflection plate 209 is controlled, so that the purpose of adjusting the crushing efficiency is achieved. When mineral aggregate falls into the working channel 203, the mineral aggregate can strike the rotating deflector plate 209 and the grinding roller 206, so as to play a certain role in crushing, and meanwhile, the distance between the grinding roller 206 and the deflector plate 209 is shortened, so that the mineral aggregate is fully extruded and crushed between the two, and the crushing efficiency is improved.
The secondary crushing system comprises a second working groove 3, a second crushing mechanism, a third crushing mechanism, a screen bar 3010 and a baffle 3011; one end of the second working groove 3 is connected with the lower end of the second bent pipe 2011, a plurality of second crushing mechanisms are arranged on one side, close to the second bent pipe 2011, of the second working groove 3, a third crushing mechanism is arranged on one side, far away from the second bent pipe 2011, of the second working groove 3, a screen mesh consisting of a plurality of staggered screen bars 3010 is arranged at the inner bottom of the second working groove 3 corresponding to the position where the third crushing mechanism is arranged, and a baffle 3011 is arranged at the bottom edge of the screen mesh; mineral aggregate subjected to primary crushing is subjected to secondary crushing sequentially through a second crushing mechanism and a third crushing mechanism in a second working tank 3, and mineral aggregate reaching the crushing requirement granularity falls into a basket 4 of a screening mechanism from a screen mesh consisting of screen bars 3010 to perform the next working procedure. The baffle 3011 prevents mineral aggregate from splashing around during the fall, affecting the orderly performance of each process.
The crushing mechanism II comprises a motor I301, a telescopic rod I302, a rotary pressure head 303 and a cutter head 304; the first motor 301 is arranged above the second working groove 3 through a supporting frame, one end of the first telescopic rod 302 is connected with the first motor 301, the other end of the first telescopic rod is connected with the rotary pressure head 303, and a plurality of cutter heads 304 are arranged at the bottom of the rotary pressure head 303. The bottom of the second working groove 3 is provided with a plurality of flanges 305, and the flanges 305 correspond to the rotary pressure head 303 in position. The first motor 301 drives the rotary pressing head 303 to rotate at a high speed, the first telescopic rod 302 can adjust the height of the rotary pressing head 303 to enable the rotary pressing head 303 to be fully contacted with mineral aggregate, the upper surface and the lower surface of the mineral aggregate are matched with the flange 305 to be subjected to rotary cutting, extrusion and crushing, and the cutter head 304 can cut ores in the rotary pressing head 303 rotary extrusion process, so that the crushing effect is improved.
The crushing mechanism III comprises a motor II 306, a telescopic rod II 307, a rotary lantern ring 308 and a swinging crushing head 309; the second motor 306 is arranged above the second working groove 3 through a supporting frame, the lower end of the second motor 306 is connected with two telescopic rods 307, the lower end of each telescopic rod 307 is connected with a rotary lantern ring 308, the plurality of swinging crushing heads 309 are arranged on a rotary shaft, and two ends of the rotary shaft are arranged on the rotary lantern rings 308. The swing crushing head 309 is divided into two rows of staggered arrangement on the rotating shaft, the motor II 306 drives the swing crushing head 309 to rotate through the telescopic rod II 307, the rotary lantern ring 308 and the rotating shaft, the height of the swing crushing head 309 is adjusted through the telescopic rod II 307 to enable the swing crushing head to be fully contacted with mineral aggregate, and the rotary lantern rings 308 which are staggered in two rows continuously rotate to impact the mineral aggregate to realize rolling crushing.
The screening and washing system comprises a screening mechanism, a cleaning mechanism, a workbench 6 and a first collecting funnel 601, wherein the screening mechanism and the cleaning mechanism are arranged on the workbench 6, and the first collecting funnel 601 is arranged on one side of the cleaning mechanism and is communicated with the bottom of the workbench 6; the mineral aggregate which has been subjected to the secondary crushing is washed and sieved in basket 4 of the screening means and subsequently flows through collection hopper one 601 into magnetic separation hopper 702 of magnetic separation means one.
The screening mechanism comprises a basket 4, a first roller shutter door 401, a first track 402, a strip hole 403, a convex strip 404, a second track 405, a second roller shutter door 406, a rotary mechanical arm 407, a telescopic column 408, a pulley 409 and a third slide rail 4010; the third slide rail 4010 is arranged on the workbench 6, the pulley 409 is arranged on the third slide rail 4010 in a sliding manner, and the pulley 409 freely slides on the third slide rail 4010 to drive the basket 4 to move to the position below the spray head 503 of the cleaning mechanism and above the first collecting hopper 601 to pour mineral aggregate. The telescopic column 408 is arranged on the pulley 409, the rotary mechanical arm 407 is arranged at the upper end of the telescopic column 408, and one end of the rotary mechanical arm 407 is connected with one side of the basket 4. The height of the basket 4 can be adjusted through the telescopic column 408, and the inclination and vibration of the basket 4 can be realized through rotating the mechanical arm 407. One end of the basket 4 is provided with a first rolling door 401, the first rolling door 401 is arranged on the first rail 402, and mineral aggregate can be poured out when the basket 4 is tilted by rolling the first rolling door 401. The bottom of the basket 4 is provided with a plurality of strip holes 403, the bottom in the basket 4 is provided with a plurality of raised strips 404, the side edge of the bottom of the basket 4 where the strip holes 403 are positioned is provided with a second rail 405, and a second rolling door 406 is arranged on the second rail 405. The strip holes 403 can be closed by pulling down the second roller shutter door 406 in the cleaning process, when the mineral aggregate is soaked in vibration and washed to a certain extent, and when the impurities on the surface of the mineral aggregate are separated, the second roller shutter door 406 is rolled up again to expose the strip holes 403, so that the impurities and sewage separated from the surface of the mineral aggregate are screened out from the strip holes 403 and discharged through the recovery groove 504 to be collected, and the washed mineral aggregate is remained in the basket 4. The raised strips 404 can increase the contact area between the mineral aggregate and the ground, and improve the cleaning effect.
The cleaning mechanism comprises a valve 5, a water pipe 501, a pipe network 502, a spray head 503 and a recovery tank 504; the recovery tank 504 is arranged on the workbench 6, the pipe network 502 is positioned right above the recovery tank 504, a plurality of spray heads 503 are uniformly arranged at the bottom of the pipe network 502, and one end of the pipe network 502 is connected with the valve 5 through the water pipe 501. The valve 5 is externally connected with a water source, a pump is arranged in the water pipe 501 and can convey high-pressure water into the pipe network 502, water is sprayed on mineral aggregate in the basket 4 at high pressure through the spray head 503, and the cleaning effect is improved by vibrating the basket in cooperation with the rotary mechanical arm 407.
The magnetic separation system comprises a first magnetic separation mechanism and a second magnetic separation mechanism, wherein the first magnetic separation mechanism is positioned below the first collecting hopper 601, and the second magnetic separation mechanism is positioned below the first magnetic separation mechanism; the ore materials after screening and washing sequentially pass through the first magnetic separation mechanism and the second magnetic separation mechanism to finish two magnetic separations, so that the magnetic separation effect is greatly improved.
The first magnetic separation mechanism comprises a sliding rail IV 7, a sliding block 701, a magnetic separation funnel 702, a groove 703, an electromagnetic coil 704 and a sliding door 705; the magnetic separation funnel 702 both sides pass through slider 701 slip setting on slide rail IV 7, the magnetic separation funnel 702 inner wall is equipped with a plurality of recess 703, is equipped with electromagnetic coil 704 on the magnetic separation funnel 702 outer wall that corresponds with recess 703 position, and magnetic separation funnel 702 bottom is equipped with sliding door 705. The large-particle metallic magnetite in the mineral aggregate is magnetically attracted by the electrified electromagnet coil 704 in the magnetic separation funnel 702 and is collected in the groove 703, so that the first magnetic separation is completed, the rest nonmetallic mineral aggregate and part of the non-screened metallic mineral aggregate fall into the bottom of the magnetic separation funnel 702, and then the sliding door 705 is opened to enable the rest nonmetallic mineral aggregate and part of the non-screened metallic mineral aggregate to fall into the second collection funnel 8 for the second magnetic separation. The magnetic separation funnel 702 can be enabled to move freely above the second magnetic separation mechanism by freely sliding the sliding block 701 on the fourth sliding rail 7, so that the magnetic separation funnel can be aligned to the right above the second collection funnel 8 or the right above the summarizing groove 12. When the magnetic separation funnel 702 is aligned to the position right above the collecting tank 12, the metallic magnetite which is magnetically separated in the first pass is enabled to fall into the bottom of the electromagnetic coil 704 from the groove 703 by powering off the electromagnetic coil 704, and then the sliding door 705 is opened to enable the metallic magnetite to fall into the collecting tank 12 to be collected.
The second magnetic separation mechanism comprises a second collection funnel 8, a conveying crawler 9, a baffle ring 901, a crawler group 10, a magnetic suction head 1001, a scraping plate 11, a rotating shaft II 1101, a sliding rail five 1102 and a summarizing groove 12; the second collecting hopper 8 is arranged below the magnetic separating hopper 702 through a support, the conveying crawler 9 is arranged below the second collecting hopper 8, baffle rings 901 are arranged on two sides of the conveying crawler 9, and the baffle rings 901 can ensure that residual mineral aggregate cannot overflow from the conveying crawler 9. The middle part of the conveying track 9 is provided with a track group 10, a plurality of magnetic suction heads 1001 are uniformly arranged on the track group 10, one end of the highest point of the track group 10 is provided with a scraping plate 11, two sides of the scraping plate 11 are connected with a rotating shaft II 1101, the rotating shaft II 1101 is arranged on a sliding rail five 1102, the scraping plate 11 can rotate along with the rotation of the rotating shaft II 1101, the rotating shaft II 1101 can slide on the sliding rail five 1102, and therefore the distance between the scraping plate 11 and the end part of the track group 10 is adjusted, so that the scraping plate 11 can effectively scrape magnetite on the magnetic suction heads 1001. A collecting groove 12 is arranged below the scraping plate 11. The nonmetallic mineral aggregate and part of the metallic mineral aggregate which is not screened out after the first magnetic separation fall into the rotating conveying crawler 9 through the second collecting hopper 8, and when the conveying crawler 9 continuously drives the nonmetallic mineral aggregate to advance to the crawler group 10, the metallic magnetite is adsorbed by the magnetic suction heads 1001 on the crawler group 10, and the nonmetallic mineral aggregate is remained in the conveying crawler 9 and is sent to the other end of the conveying crawler 9 to be collected. The metallic magnetite adsorbed by the magnetic head 1001 is scraped off by the scraper 11 into the collecting tank 12 and collected as the track group 10 rotates to the peak end.
The foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (2)
1. The magnetite beneficiation equipment is characterized by comprising a cutting system, a primary crushing system, a secondary crushing system, a screening and washing system and a magnetic separation system which are sequentially arranged from top to bottom;
the cutting system comprises a feeding funnel (1) and a first working groove (101) connected with the lower end of the feeding funnel (1), wherein a turnover mechanism is arranged in the middle of the first working groove (101), a plurality of first openings (102) are formed in the two side walls of the first working groove (101), the first openings (102) are correspondingly provided with cutting mechanisms, and a second isolation door (108) is arranged at the tail end of the first working groove (101);
the first-stage crushing system comprises a first bent pipe (2), an air supply pipe (201), a working pipeline (203) and a second bent pipe (2011); one end of the first elbow pipe (2) is connected with the tail end of the first working groove (101), the other end of the first elbow pipe (2) is sequentially connected with the working pipeline (203) and the second elbow pipe (2011), the air supply pipe (201) is arranged at the top of the first elbow pipe (2), the fan (202) is arranged at the top of the air supply pipe (201), and the first crushing mechanism is arranged on the working pipeline (203);
the secondary crushing system comprises a working groove II (3), a crushing mechanism II, a crushing mechanism III, a screen bar (3010) and a baffle (3011); one end of the second working groove (3) is connected with the lower end of the second bent pipe (2011), a plurality of second crushing mechanisms are arranged on one side, close to the second bent pipe (2011), of the second working groove (3), a third crushing mechanism is arranged on one side, far away from the second bent pipe (2011), of the second working groove (3), a screen mesh consisting of a plurality of staggered screen bars (3010) is arranged at the inner bottom of the second working groove (3) corresponding to the position of the third crushing mechanism, and a baffle (3011) is arranged at the bottom edge of the screen mesh;
the screening and washing system comprises a screening mechanism, a cleaning mechanism, a workbench (6) and a first collecting funnel (601), wherein the screening mechanism and the cleaning mechanism are arranged on the workbench (6), and the first collecting funnel (601) is arranged on one side of the cleaning mechanism and is communicated with the bottom of the workbench (6);
the magnetic separation system comprises a first magnetic separation mechanism and a second magnetic separation mechanism, wherein the first magnetic separation mechanism is positioned below the first collecting hopper (601), and the second magnetic separation mechanism is positioned below the magnetic separation mechanism;
the first magnetic separation mechanism comprises a sliding rail IV (7), a sliding block (701), a magnetic separation funnel (702), a groove (703), an electromagnetic coil (704) and a sliding door (705); the two sides of the magnetic separation funnel (702) are arranged on the sliding rail IV (7) in a sliding way through the sliding blocks (701), a plurality of grooves (703) are formed in the inner wall of the magnetic separation funnel (702), an electromagnetic coil (704) is arranged on the outer wall of the magnetic separation funnel (702) corresponding to the positions of the grooves (703), and a sliding door (705) is arranged at the bottom of the magnetic separation funnel (702);
the turnover mechanism comprises a first isolation door (105), a second slide rail (106) and a rotating roller (107); the second sliding rail (106) is respectively arranged on the two side walls of the first working groove (101), two ends of the rotating roller (107) are arranged on the second sliding rail (106) in a sliding manner, and the first working groove (101) on the front side and the rear side of the rotating roller (107) is provided with a first isolation door (105);
the cutting mechanism comprises a first sliding rail (103) and a rotary cutter (104), the first sliding rail (103) is arranged on the outer wall of the first working groove (101), the rotary cutter (104) is arranged on the first sliding rail (103), and the position of the rotary cutter (104) corresponds to the position of the first opening (102) and partially stretches into the first working groove (101);
the crushing mechanism I comprises an opening II (204), a chute (205), a grinding roller (206), a rotating shaft I (207), a telescopic arm (208), a deflection plate (209) and a rotary machine (2010); two sides of the working pipeline (203) are respectively provided with an opening II (204), the positions of the openings II (204) are correspondingly provided with sliding grooves (205), a grinding roller (206) is arranged on the sliding grooves (205), two ends of the grinding roller (206) are connected with a rotating shaft I (207), the end part of the rotating shaft I (207) is arranged on a telescopic arm (208), and a deflection plate (209) is arranged in the middle part in the working pipeline (203) and is connected with a rotating machine (2010) positioned on the outer wall of the working pipeline (203);
the crushing mechanism II comprises a motor I (301), a telescopic rod I (302), a rotary pressure head (303) and a cutter head (304); the first motor (301) is arranged above the second working groove (3) through a support frame, one end of the first telescopic rod (302) is connected with the first motor (301), the other end of the first telescopic rod is connected with the rotary pressure head (303), and a plurality of cutter heads (304) are arranged at the bottom of the rotary pressure head (303);
the bottom of the working groove II (3) is provided with a plurality of flanges (305), and the flanges (305) correspond to the rotary pressure heads (303);
the crushing mechanism III comprises a motor II (306), a telescopic rod II (307), a rotary sleeve ring (308) and a swinging crushing head (309); the second motor (306) is arranged above the second working groove (3) through a supporting frame, the lower end of the second motor (306) is connected with two telescopic rods (307), the lower end of each telescopic rod (307) is connected with a rotary sleeve ring (308), the plurality of swinging crushing heads (309) are arranged on a rotary shaft, and two ends of the rotary shaft are arranged on the rotary sleeve rings (308);
the screening mechanism comprises a basket (4), a first roller shutter door (401), a first rail (402), a strip hole (403), a convex strip (404), a second rail (405), a second roller shutter door (406), a rotary mechanical arm (407), a telescopic column (408), a pulley (409) and a third slide rail (4010); the three sliding rail (4010) is arranged on the workbench (6), the pulley (409) is arranged on the three sliding rail (4010) in a sliding manner, the telescopic column (408) is arranged on the pulley (409), the rotary mechanical arm (407) is arranged at the upper end of the telescopic column (408), one end of the rotary mechanical arm (407) is connected with one side of the basket (4), one end of the basket (4) is provided with the first rolling door (401), the first rolling door (401) is arranged on the first rail (402), the bottom of the basket (4) is provided with a plurality of strip holes (403), the bottom side of the basket (4) at the position where the strip holes (403) are arranged is provided with the second rail (405), and the second rolling door (406) is arranged on the second rail (405); the cleaning mechanism comprises a valve (5), a water pipe (501), a pipe network (502), a spray head (503) and a recovery tank (504); the recovery tank (504) is arranged on the workbench (6), the pipe network (502) is positioned right above the recovery tank (504), A plurality of spray heads (503) are uniformly arranged at the bottom of the pipe network (502), and one end of the pipe network (502) is connected with the valve (5) through a water pipe (501).
2. A magnetite beneficiation apparatus in accordance with claim 1, wherein: the magnetic separation mechanism II comprises a collection funnel II (8), a conveying crawler belt (9), a baffle ring (901), a crawler belt group (10), a magnetic suction head (1001), a scraper (11), a rotating shaft II (1101), a sliding rail V (1102) and a gathering groove (12); the magnetic separation device is characterized in that the second collecting hopper (8) is arranged below the magnetic separation hopper (702) through a support, the conveying crawler belt (9) is arranged below the second collecting hopper (8), baffle rings (901) are arranged on two sides of the conveying crawler belt (9), crawler belt groups (10) are arranged in the middle of the conveying crawler belt (9), a plurality of magnetic suction heads (1001) are uniformly arranged on the crawler belt groups (10), a scraper (11) is arranged at one end of the highest point of each crawler belt group (10), two sides of the scraper (11) are connected with a rotating shaft II (1101), the rotating shaft II (1101) is arranged on the five sliding rails (1102), and a collecting groove (12) is formed in the lower portion of each scraper (11).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910615958.4A CN110314766B (en) | 2019-07-09 | 2019-07-09 | Magnetite ore dressing equipment |
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| CN201910615958.4A CN110314766B (en) | 2019-07-09 | 2019-07-09 | Magnetite ore dressing equipment |
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| CN110314766B true CN110314766B (en) | 2024-04-09 |
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