CN220496450U - Low-grade magnetite two-stage preselection crushing device - Google Patents
Low-grade magnetite two-stage preselection crushing device Download PDFInfo
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- CN220496450U CN220496450U CN202322027756.2U CN202322027756U CN220496450U CN 220496450 U CN220496450 U CN 220496450U CN 202322027756 U CN202322027756 U CN 202322027756U CN 220496450 U CN220496450 U CN 220496450U
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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 19
- 238000004140 cleaning Methods 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 7
- 239000006148 magnetic separator Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000001914 filtration Methods 0.000 abstract description 4
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 3
- 239000011707 mineral Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Crushing And Grinding (AREA)
Abstract
The utility model provides a low-grade magnetite two-section preselection crushing device, which relates to the technical field of mineral processing and comprises a crushing bin, wherein two fixing plates are fixedly arranged on the inner wall of the crushing bin, two springs are fixedly arranged at the top ends of the two fixing plates, a filter screen plate is fixedly arranged at the top ends of the four springs, ores are crushed by a coarse crushing roller, crushed ores can fall on the filter screen plate, the ores meeting the requirements can fall off the filter screen plate and are finely crushed in the next step, meanwhile, the springs under the filter screen plate are extruded and vibrate up and down when the ores fall, so that the filtering speed of the filter screen plate is increased, the ores with larger volumes and not meeting the requirements can stay on the filter screen plate, and the subsequent crushing quality of the ores is improved.
Description
Technical Field
The utility model relates to the technical field of mineral processing, in particular to a low-grade magnetite two-stage pre-selection crushing device.
Background
Magnetite is the primary mineral raw material for iron making, and the ore industry classifies materials according to the concentration of metals present after ore dressing is completed. The iron concentration of high grade ore must be 65% or higher and the intermediate grade between 62% and 65%. The low-grade ore comprises all mixtures with iron concentration lower than 62 percent, if the ore with low grade and large mixed rock is discarded, the extraction rate is low, the stripping ratio is large, the cost is high, the resource is wasted, the ore feeding capability can not meet the requirement of a concentrating mill on the ore quantity, and therefore, the low-grade ore needs to be crushed and purified.
When the existing ore is crushed, screened and purified, the coarse crushing roller is used for primary crushing of the ore, then the fine crushing roller is used for secondary crushing, so that the ore is crushed more fully, but after the primary coarse crushing roller is used for crushing, the ore is difficult to ensure to be crushed completely, larger ores which are not satisfactory possibly appear, the crushing effect obtained by fine crushing of the ore is possibly poor at the moment, the crushing time is prolonged, and the purification efficiency of the ore is caused.
Disclosure of Invention
The utility model aims to solve the problem that the subsequent ore purification is affected by larger ore generated during ore crushing in the prior art, and provides a low-grade magnetite two-stage pre-selection crushing device.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a two sections preselection breaker of low-grade magnetite, includes broken storehouse, the inner wall fixed mounting in broken storehouse has two fixed plates, two equal fixed mounting in top of fixed plate has two springs, four the top fixed mounting of spring has the filter screen board, the top fixed mounting of filter screen board has two baffles, the top fixed mounting of filter screen board has two supports, two the activity is inserted between the opposite one side of support has the screw thread lead screw, two the outer wall one side fixed mounting of one of them has the motor, the output shaft of motor runs through one of them support to with the outer wall one end fixed connection of screw thread lead screw, two fixed inserting between the opposite one side of support has the gag lever post, the outer wall sliding connection of gag lever post has the slider, the outer wall of screw thread lead screw and slider threaded connection, two the outer wall of one of them runs through and has seted up the spout, outer wall one side fixed mounting of slider has the connecting block, run through the spout to fixed mounting has the cleaning plate, cleaning plate and filter screen board sliding connection.
Preferably, the inner wall activity of broken storehouse is inserted and is equipped with two coarse crushing rollers, the extexine wall of broken storehouse runs through and has seted up first blown down tank, the extexine wall fixed mounting of broken storehouse has the box that gathers materials, the box that gathers materials sets up in the bottom of first blown down tank.
Preferably, the top of the crushing bin is provided with a feed inlet, an inclined plate is fixedly arranged at the bottom end of the inner wall of the crushing bin, and two fine crushing rollers are movably inserted into the inner wall of the crushing bin.
Preferably, the outer surface wall of the crushing bin is penetrated and provided with a second discharging groove, the outer surface wall of the crushing bin is fixedly provided with a guide plate, and the guide plate is arranged at the bottom end of the second discharging groove.
Preferably, four struts are fixedly arranged at the bottom end of the crushing bin, and a bottom plate is fixedly arranged at the bottom end of each strut.
Preferably, the top end of the bottom plate is fixedly provided with a dry magnetic separator.
Compared with the prior art, the utility model has the advantages and positive effects that,
1. according to the utility model, the ore is crushed by the coarse crushing roller, the crushed ore falls on the filter screen plate, the ore meeting the requirements falls off from the filter screen plate for further fine crushing, meanwhile, the spring under the filter screen plate is extruded when the ore falls off, and the spring is extruded for up-down vibration, so that the filtering speed of the filter screen plate is accelerated, the ore with larger volume and no requirements can stay on the filter screen plate, the quality of subsequent crushing of the ore is improved, when the ore stops crushing, the motor is started, the motor drives the threaded screw rod to rotate, the threaded screw rod drives the sliding block, the connecting block and the cleaning plate to move, the cleaning plate pushes the ore with larger volume and no requirements on the filter screen plate to the first discharging groove in the moving process, and then falls into the aggregate box, the ore in the aggregate box can be coarsely crushed again, and the utilization rate of the ore is improved.
2. According to the utility model, the two baffles are arranged on the filter screen plate, so that the ores after coarse crushing are prevented from falling in other places, and the ores falling below the filter screen plate can be crushed by the fine crushing roller, so that the quality of ore crushing is improved.
Drawings
FIG. 1 is a schematic diagram of the main structure of a low-grade magnetite two-stage pre-selection crushing device;
FIG. 2 is a schematic diagram of the internal structure of a crushing bin in a low-grade magnetite two-stage pre-selection crushing device;
FIG. 3 is a schematic diagram of the internal structure of a crushing bin in a low-grade magnetite two-stage pre-selection crushing device according to another view angle;
FIG. 4 is a schematic diagram of the related structure of a filter screen plate in a low-grade magnetite two-stage pre-separation crushing device according to the present utility model;
fig. 5 is a schematic diagram of a related structure of a threaded screw in a low-grade magnetite two-stage pre-selection crushing device.
Legend description: 1. crushing bin; 2. a filter screen plate; 3. a baffle; 4. a chute; 5. a bracket; 6. a threaded screw rod; 7. a limit rod; 8. a motor; 9. a slide block; 10. a connecting block; 11. a cleaning plate; 12. a spring; 13. a fixing plate; 14. a feed inlet; 15. a first discharge chute; 16. a collection box; 17. a sloping plate; 18. a second discharge chute; 19. a deflector; 20. a dry magnetic separator; 21. a coarse crushing roller; 22. a fine crushing roller; 23. a support post; 24. a bottom plate.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
In the embodiment 1, as shown in fig. 1-5, the utility model provides a low-grade magnetite two-section preselection crushing device, which comprises a crushing bin 1, wherein two fixing plates 13 are fixedly arranged on the inner wall of the crushing bin 1, two springs 12 are fixedly arranged at the top ends of the two fixing plates 13, a filter screen plate 2 is fixedly arranged at the top ends of the four springs 12, two baffle plates 3 are fixedly arranged at the top ends of the filter screen plate 2, two brackets 5 are fixedly arranged at the top ends of the filter screen plate 2, a threaded screw rod 6 is movably inserted between opposite sides of the two brackets 5, a motor 8 is fixedly arranged at one side of the outer wall of one of the two brackets 5, an output shaft of the motor 8 penetrates through one of the brackets 5 and is fixedly connected with one end of the outer wall of the threaded screw rod 6, a limit rod 7 is fixedly inserted between opposite sides of the two brackets 5, a sliding block 9 is slidably connected with the outer surface wall of the threaded screw rod 6, a sliding groove 4 is formed in penetrating through the outer surface wall of one of the two baffle plates 3, a connecting block 10 is fixedly arranged at one side of the outer wall of the sliding block 9, a connecting block 10 penetrates through the sliding groove 4, and is fixedly arranged at one side of the cleaning plate 11, and the cleaning plate 11 is fixedly connected with the filter screen plate 2.
The effect that its whole embodiment 1 reached is, the ore after coarse crushing can fall on filter screen plate 2, the ore that meets the requirements can fall from filter screen plate 2, can extrude the spring 12 under the filter screen plate 2 when the ore drops simultaneously, spring 12 receives the extrusion and can drive filter screen plate 2 and vibrate from top to bottom, thereby the filtration rate of filter screen plate 2 has been accelerated, the great unsatisfactory ore of volume can stay on filter screen plate 2, thereby the quality of the follow-up crushing of ore has been improved, when the ore stops crushing, start motor 8, motor 8 drives screw mandrel 6 rotation, screw mandrel 6 drives slider 9, connecting block 10 and cleaning plate 11 remove, cleaning plate 11 pushes away the big unsatisfactory ore of volume on the filter screen plate 2 in the removal process.
In embodiment 2, as shown in fig. 1-5, two coarse crushing rollers 21 are movably inserted into the inner wall of the crushing bin 1, a first discharge chute 15 is penetratingly arranged on the outer surface wall of the crushing bin 1, an aggregate box 16 is fixedly arranged on the outer surface wall of the crushing bin 1, and the aggregate box 16 is arranged at the bottom end of the first discharge chute 15. The top of the crushing bin 1 is provided with a feed inlet 14, the bottom end of the inner wall of the crushing bin 1 is fixedly provided with an inclined plate 17, and the inner wall of the crushing bin 1 is movably inserted with two fine crushing rollers 22. The second discharging groove 18 is formed in the outer surface wall of the crushing bin 1 in a penetrating mode, the guide plate 19 is fixedly mounted on the outer surface wall of the crushing bin 1, and the guide plate 19 is arranged at the bottom end of the second discharging groove 18. Four struts 23 are fixedly arranged at the bottom end of the crushing bin 1, and a bottom plate 24 is fixedly arranged at the bottom end of the four struts 23. The dry magnetic separator 20 is fixedly mounted on the top end of the bottom plate 24.
The effect that its whole embodiment 2 reached is, uses coarse crushing roller 21 and fine crushing roller 22 to carry out crushing respectively to the ore, and then has improved the crushing effect of ore, and the great unsatisfactory ore of volume on the filter screen plate 2 can be pushed to first blown down tank 15, then falls into in the box 16 that gathers materials, and the ore in the box 16 that gathers materials can carry out coarse crushing once more, and then has improved the utilization ratio of ore.
Working principle: firstly, the device is placed on the appointed position, when the ore needs to be crushed, the ore needing to be crushed is put into the crushing bin 1 from the feed inlet 14, then the coarse crushing roller 21 is started, the ore can be crushed by the coarse crushing roller 21, the crushed ore can fall on the filter screen plate 2, the ore meeting the requirements can fall from the filter screen plate 2, meanwhile, the spring 12 below the filter screen plate 2 can be extruded when the ore falls, the spring 12 can drive the filter screen plate 2 to vibrate up and down, thereby accelerating the filtering speed of the filter screen plate 2, the ore with larger volume and not meeting the requirements can stay on the filter screen plate 2, thereby improving the quality of subsequent crushing, and the two baffle plates 3 arranged on the filter screen plate 2 can prevent the ore after coarse crushing from falling on other places, so that the ore falling from the filter screen plate 2 can be crushed by the fine crushing roller 22, further improving the quality of mine crushing, the ore after the fine crushing roller 22 falls on the inclined plate 17, then falls on the baffle plate 19, the crushed ore falls off from the dry baffle plate 19 on the dry type 20, and the ore is subjected to magnetic separator is screened more high. When ore stops crushing, start motor 8, motor 8 drives screw thread lead screw 6 and rotates, screw thread lead screw 6 drives slider 9, connecting block 10 and clean board 11 and removes, and clean board 11 is in the removal in-process with the great ore that does not meet the requirements of volume on the filter screen plate 2 push to first blown down tank 15, then fall into in the box 16 that gathers materials again, and the ore in the box 16 that gathers materials can carry out coarse crushing again, and then has improved the utilization ratio of ore.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.
Claims (6)
1. A low-grade magnetite two-stage preselection breaker, its characterized in that: including broken storehouse (1), the inner wall fixed mounting in broken storehouse (1) has two fixed plates (13), two the equal fixed mounting in top of fixed plate (13) has two springs (12), four the top fixed mounting of spring (12) has filter screen board (2), the top fixed mounting of filter screen board (2) has two baffles (3), the top fixed mounting of filter screen board (2) has two supports (5), two movable the inserted screw thread lead screw (6) between the opposite one side of support (5), two the outer wall one side fixed mounting of support (5) has motor (8), the output shaft of motor (8) runs through one of them support (5) to with the outer wall one end fixed connection of screw thread lead screw (6), two fixed insertion has gag lever post (7) between the opposite one side of support (5), the outer wall sliding connection of gag lever post (7) has slider (9), the outer wall and slider (9) threaded connection of two the outer wall of baffle (3) has one of them wall (4), the fixed connection piece (10) has, the cleaning plate (11) is in sliding connection with the filter screen plate (2).
2. The low-grade magnetite two-stage preselection crushing device according to claim 1, wherein: the crushing bin comprises a crushing bin body, wherein two coarse crushing rollers (21) are movably inserted into the inner wall of the crushing bin body (1), a first discharging groove (15) is formed in the outer surface wall of the crushing bin body (1) in a penetrating mode, an aggregate box (16) is fixedly mounted on the outer surface wall of the crushing bin body (1), and the aggregate box (16) is arranged at the bottom end of the first discharging groove (15).
3. The low-grade magnetite two-stage preselection crushing device according to claim 1, wherein: the top of crushing storehouse (1) is provided with feed inlet (14), the inner wall bottom of crushing storehouse (1) is fixed with swash plate (17), the inner wall activity of crushing storehouse (1) is inserted and is equipped with two fine crushing roller (22).
4. The low-grade magnetite two-stage preselection crushing device according to claim 1, wherein: the second discharging groove (18) is formed in the outer surface wall of the crushing bin (1) in a penetrating mode, the guide plate (19) is fixedly mounted on the outer surface wall of the crushing bin (1), and the guide plate (19) is arranged at the bottom end of the second discharging groove (18).
5. The low-grade magnetite two-stage preselection crushing device according to claim 1, wherein: four support posts (23) are fixedly arranged at the bottom end of the crushing bin (1), and a bottom plate (24) is fixedly arranged at the bottom end of each support post (23).
6. The low-grade magnetite two-stage preselection crushing device according to claim 5, wherein: the top end of the bottom plate (24) is fixedly provided with a dry magnetic separator (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322027756.2U CN220496450U (en) | 2023-07-30 | 2023-07-30 | Low-grade magnetite two-stage preselection crushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322027756.2U CN220496450U (en) | 2023-07-30 | 2023-07-30 | Low-grade magnetite two-stage preselection crushing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220496450U true CN220496450U (en) | 2024-02-20 |
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ID=89869952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322027756.2U Active CN220496450U (en) | 2023-07-30 | 2023-07-30 | Low-grade magnetite two-stage preselection crushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220496450U (en) |
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2023
- 2023-07-30 CN CN202322027756.2U patent/CN220496450U/en active Active
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