CN118022978A - Device for improving dry separation efficiency of finely crushed magnetite - Google Patents
Device for improving dry separation efficiency of finely crushed magnetite Download PDFInfo
- Publication number
- CN118022978A CN118022978A CN202410325811.2A CN202410325811A CN118022978A CN 118022978 A CN118022978 A CN 118022978A CN 202410325811 A CN202410325811 A CN 202410325811A CN 118022978 A CN118022978 A CN 118022978A
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- China
- Prior art keywords
- dry separation
- belt
- upper layer
- improving
- separating plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000926 separation method Methods 0.000 title claims abstract description 112
- 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 36
- 239000000463 material Substances 0.000 claims abstract description 60
- 230000007480 spreading Effects 0.000 claims abstract description 50
- 238000003892 spreading Methods 0.000 claims abstract description 50
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 229910052500 inorganic mineral Inorganic materials 0.000 claims abstract description 13
- 239000011707 mineral Substances 0.000 claims abstract description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052742 iron Inorganic materials 0.000 claims abstract description 5
- 238000002955 isolation Methods 0.000 claims description 26
- 241001417527 Pempheridae Species 0.000 claims description 15
- 239000012141 concentrate Substances 0.000 claims description 10
- 239000010878 waste rock Substances 0.000 claims description 9
- 239000010985 leather Substances 0.000 claims description 7
- 230000004888 barrier function Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000007885 magnetic separation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/16—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts
- B03C1/18—Magnetic separation acting directly on the substance being separated with material carriers in the form of belts with magnets moving during operation
-
- 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
- B03C1/005—Pretreatment specially adapted for magnetic separation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
- B65G45/18—Cleaning devices comprising brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning devices
- B65G45/22—Cleaning devices comprising fluid applying means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention belongs to the field of mineral separation, and particularly relates to a device for improving the dry separation efficiency of magnetite after fine crushing; the grinding efficiency can be improved, and the grinding cost can be reduced. The technical proposal comprises: dry separation belt, material receiving guardrail and material spreading mechanism. The dry separation belt is provided with parallel carrier rollers at least at the position close to the machine head roller. And material collecting guardrails are arranged on two sides of an upper layer belt of the dry separation belt along the extending direction of the upper layer belt. A spreading mechanism is arranged right above the upper layer belt provided with the parallel carrier rollers and is configured to finely spread iron ores on the upper layer belt.
Description
Technical Field
The invention belongs to the field of mineral separation, and particularly relates to a device for improving the dry separation efficiency of magnetite after fine crushing.
Background
The dry separator is used as a pre-tailing discarding device and is widely applied to the magnetic mineral dressing industry. In the development and utilization of mineral resources, the extracted ore is required to be beneficiated and enriched with useful minerals to remove gangue and harmful elements, so that the ore can be changed into concentrate powder for smelting process. The selection ratio and the recovery rate in the ore dressing process are important parameters of ore dressing, wherein the grinding grade of a ball mill is important, and the quality of ore dressing indexes and the flow efficiency are often influenced. In recent years, ores are lacking, and low-grade ores are increasingly put into production practice.
In recent years, the concept of 'more crushing and less grinding' is developed in a mineral separation system, the grinding grain entering degree of a ball mill of a mineral separation plant is reduced year by year, and the dry separation after fine crushing is found in the production process, so that the tail-flicking efficiency of the dry separation is low, wherein less than 1/3 of continuous organisms are accompanied in a tail-flicking product, the content of MFe in the tail-flicking product is sometimes higher than 5%, the yield of the tail-flicking product of the dry separation is only 3%, a large amount of gangue is also mixed in raw ore, and the grade of the input grinding is low. On one hand, the method has a plurality of adverse effects on the subsequent grinding and sorting operation, and on the other hand, the grinding cost including steel ball consumption and electricity consumption is obviously increased, and the concentrate yield is reduced and the tailing warehousing quantity is increased under the same grinding quantity.
Therefore, development of a method for improving the tail flick efficiency of dry separation is needed, which is favorable for improving the ore grinding and sorting efficiency and achieving the aim of improving the original tail flick increment.
Disclosure of Invention
In order to overcome the defects in the related art, the invention provides a device for improving the dry separation efficiency of magnetite after fine crushing; the grinding efficiency can be improved, and the grinding cost can be reduced.
Some embodiments of the invention provide a device for improving the dry separation efficiency of magnetite after fine crushing. The device for improving the dry separation efficiency of the finely crushed magnetite comprises: dry separation belt, material receiving guardrail and material spreading mechanism. The dry separation belt is provided with parallel carrier rollers at least at the position close to the machine head roller. And material collecting guardrails are arranged on two sides of an upper layer belt of the dry separation belt along the extending direction of the upper layer belt. A spreading mechanism is arranged right above the upper layer belt provided with the parallel carrier rollers and is configured to finely spread iron ores on the upper layer belt.
Preferably, the dry separation belt comprises a dry separation magnetic drum. The device for improving the dry separation efficiency after magnetite fine crushing further comprises a magnetic isolation material separating plate, wherein the magnetic isolation material separating plate is arranged below the dry separation magnetic roller, the included angle between the shortest straight line between the center line of the magnetic isolation material separating plate and the center line of the dry separation magnetic roller and the vertical center line is 0-30 degrees, and the radius of the dry separation magnetic roller is 0.5 times the distance between the upper end face of the magnetic isolation material separating plate and the center line of the dry separation magnetic roller, or the distance between the upper end face of the magnetic isolation material separating plate and the surface of the dry separation magnetic roller is 100mm.
Preferably, the spreading mechanism comprises: adjusting screw rod and stand material spare. The support of the adjusting screw rod is fixed with the dry separation belt, and the threaded rod of the adjusting screw rod is movably arranged in the support of the adjusting screw rod. The spreading piece is a square magnetic block and is arranged below the adjusting screw rod, and the spreading piece is also arranged above the upper layer belt on the inner sides of the two oppositely arranged material receiving guardrails.
Preferably, the spreading mechanism further comprises a reset spring, a blind hole with an upward opening is formed in the spreading piece, the lower end of the adjusting screw rod is movably arranged in the blind hole, and the reset spring is further arranged between the bracket of the adjusting screw rod and the spreading piece.
Preferably, the magnet of the spreading piece comprises a 350mT field.
Preferably, the device for improving the dry separation efficiency after magnetite fine crushing further comprises a concentrate nozzle arranged below the magnetic isolation material separation plate, wherein the concentrate nozzle is configured to receive the mineral aggregate below the magnetic isolation material separation plate.
Preferably, the device for improving the dry separation efficiency after magnetite fine crushing further comprises a sweeper, wherein the sweeper is arranged below the lower layer belt of the dry separation belt and is configured to clean the surface of the lower layer belt.
Preferably, the device for improving the dry separation efficiency after magnetite fine crushing further comprises a material separating plate, wherein the upper end of the material separating plate is arranged below the dry separation magnetic roller and is higher than the lower end of the dry separation magnetic roller. The device for improving the dry separation efficiency after magnetite fine crushing further comprises a waste rock nozzle, and the waste rock nozzle is arranged below the separating plate.
Preferably, the material receiving guardrail comprises: a guardrail frame and a guardrail skin. The guardrail frame is fixed in the top of the upper belt of dry separation belt, just the guardrail frame be with the rectangular member of upper belt's extending direction parallel, be provided with the through-hole on the guardrail frame along the extending direction of upper belt. The guardrail leather is movably arranged on the guardrail frame, and the guardrail leather is inserted into the through hole. The through holes are inclined towards the central line of the upper layer belt from top to bottom, and the guardrail leather is inclined towards the central line of the upper layer belt from top to bottom.
The invention has the beneficial effects that:
According to the invention, the dry separation tail-throwing waste rock and the magnetic ore can be effectively separated, the mill grinding and sorting system of the mill achieves the aim of original tail reduction and yield increase, the automatic homing spreader solves the problems of belt scratching and belt pressing caused by the thickness control of the material layer before the dry separation tail throwing, the design of the non-magnetic separation material plate improves the dry separation tail throwing efficiency, the fall-type guardrail skin and the sweeper are optimally installed, the labor intensity of site dust and post workers is reduced, and the installation size design of the material nozzle solves the phenomena of blocking the dry separation and magnetic ore inclusion after tail throwing.
According to the invention, the magnetic blocks are adopted for the spreading piece, so that the tailings can be adsorbed on the lower part of the spreading piece, the mineral aggregate and the mineral aggregate are convenient to rub in the spreading process, and the abrasion of the spreading piece is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the related art, the drawings that are required to be used in the embodiments or the related technical descriptions will be briefly described, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the drawings without inventive effort for those skilled in the art.
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a block diagram of the spreading mechanism of the present invention;
FIG. 3 is a block diagram of the receiving rail of the present invention;
Fig. 4 is a cross-sectional view of the receiving rail of the present invention.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the following description of the embodiments accompanied with the accompanying drawings will be given in detail. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. 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.
In the description of the present invention, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the invention, unless otherwise indicated, the meaning of "plurality of
As shown in fig. 1-4, some embodiments of the present invention provide an apparatus for improving the efficiency of dry separation after magnetite fine crushing. The device for improving the dry separation efficiency of the finely crushed magnetite comprises: dry separation belt 1, material receiving guardrail 2 and spreading mechanism 3. Wherein, the dry separation belt 1 is provided with parallel carrier rollers at least at the position close to the machine head roller. The two sides of the upper layer belt of the dry separation belt 1 are provided with material collecting guardrails 2 along the extending direction of the upper layer belt. A spreading mechanism 3 is arranged right above the upper layer belt provided with parallel carrier rollers, and the spreading mechanism 3 is configured to finely flatten iron ores on the upper layer belt.
Preferably, the dry separation belt 1 comprises a dry separation magnetic drum. The device for improving the dry separation efficiency after magnetite fine crushing further comprises a magnetic isolation material separating plate 4, wherein the magnetic isolation material separating plate 4 is arranged below the dry separation magnetic roller, the included angle between the shortest straight line between the center line of the magnetic isolation material separating plate 4 and the center line of the dry separation magnetic roller and the vertical center line is 0-30 degrees, and the radius of the dry separation magnetic roller is 0.5 times as far as the center line of the dry separation magnetic roller from the upper end face of the magnetic isolation material separating plate 4, or the distance between the upper end face of the magnetic isolation material separating plate 4 and the surface of the dry separation magnetic roller is 100mm.
Preferably, the spreading mechanism 3 comprises: an adjusting screw 31 and a spreading piece 32. The support of the adjusting screw is fixed with the dry separation belt 1, the threaded rod of the adjusting screw is movably arranged in the support of the adjusting screw, and the adjusting screw is vertically arranged. The spreading piece 32 is a square magnetic block and is arranged below the adjusting screw rod, and the spreading piece 32 is also arranged above the upper layer belt on the inner sides of the two oppositely arranged material receiving guardrails 2.
Preferably, the spreading mechanism 3 further comprises a return spring 5, a blind hole with an upward opening is formed in the spreading piece 32, the lower end of the adjusting screw 31 is movably arranged in the blind hole, and the return spring 5 is further arranged between the bracket of the adjusting screw 31 and the spreading piece 32.
The reset spring 5 and the blind hole are convenient for the spreading piece 32 to automatically lift when massive materials or impurities exist on the belt, and the materials are prevented from being blocked at the spreading mechanism 3.
Preferably, the magnet of the spreading member 32 comprises a field of 350 mT.
Preferably, the device for improving the dry separation efficiency after magnetite fine crushing further comprises a concentrate nozzle 6 arranged below the magnetic isolation material separation plate 4, wherein the concentrate nozzle 6 is configured to receive the mineral aggregate below the magnetic isolation material separation plate 4.
Preferably, the device for improving the dry separation efficiency after magnetite fine crushing further comprises a sweeper 7, wherein the sweeper 7 is arranged below the lower layer belt of the dry separation belt 1, and the sweeper 7 is configured to clean the surface of the lower layer belt.
The sweeper 7 may be a brush or an air sweeper 7.
The device for improving the dry separation efficiency after magnetite fine crushing further comprises a waste rock nozzle 8, and the waste rock nozzle 8 is arranged below the magnetic separation plate.
Preferably, the material receiving fence 2 includes: a guardrail frame and a guardrail skin. The guardrail frame is fixed in the top of the upper belt of dry separation belt 1, just the guardrail frame be with the rectangular member of upper belt's extending direction parallel, be provided with the through-hole on the guardrail frame along the extending direction of upper belt. The guardrail leather is movably arranged on the guardrail frame, and the guardrail leather is inserted into the through hole. The through holes are inclined towards the central line of the upper layer belt from top to bottom, and the guardrail leather is inclined towards the central line of the upper layer belt from top to bottom.
The upper part of the guardrail skin is provided with an anti-falling strip which is of a strip structure with a square section.
Some embodiments of the invention provide a device for improving the dry separation efficiency of magnetite after fine crushing. The device for improving the dry separation efficiency of the finely crushed magnetite comprises: dry separation belt 1, material receiving guardrail 2 and spreading mechanism 3. Wherein, the dry separation belt 1 is provided with parallel carrier rollers at least at the position close to the machine head roller. The two sides of the upper layer belt of the dry separation belt 1 are provided with material collecting guardrails 2 along the extending direction of the upper layer belt. A spreading mechanism 3 is arranged right above the upper layer belt provided with parallel carrier rollers, and the spreading mechanism 3 is configured to finely flatten iron ores on the upper layer belt.
Preferably, the dry separation belt 1 comprises a dry separation magnetic drum. The device for improving the dry separation efficiency after magnetite fine crushing further comprises a magnetic isolation material separating plate 4, wherein the magnetic isolation material separating plate 4 is arranged below the dry separation magnetic roller, the included angle between the shortest straight line between the center line of the magnetic isolation material separating plate 4 and the center line of the dry separation magnetic roller and the vertical center line is 0-30 degrees, and the radius of the dry separation magnetic roller is 0.5 times as far as the center line of the dry separation magnetic roller from the upper end face of the magnetic isolation material separating plate 4, or the distance between the upper end face of the magnetic isolation material separating plate 4 and the surface of the dry separation magnetic roller is 100mm.
Preferably, the spreading mechanism 3 comprises: an adjusting screw 31 and a spreading piece 32. The support of the adjusting screw is fixed with the dry separation belt 1, the threaded rod of the adjusting screw is movably arranged in the support of the adjusting screw, and the adjusting screw is vertically arranged. The spreading piece 32 is a square magnetic block and is arranged below the adjusting screw rod, and the spreading piece 32 is also arranged above the upper layer belt on the inner sides of the two oppositely arranged material receiving guardrails 2.
Preferably, the spreading mechanism 3 further comprises a return spring 5, a blind hole with an upward opening is formed in the spreading piece 32, the lower end of the adjusting screw 31 is movably arranged in the blind hole, and the return spring 5 is further arranged between the bracket of the adjusting screw 31 and the spreading piece 32.
The reset spring 5 and the blind hole are convenient for the spreading piece 32 to automatically lift when massive materials or impurities exist on the belt, and the materials are prevented from being blocked at the spreading mechanism 3.
Preferably, the magnet of the spreading member 32 comprises a field of 350 mT.
Preferably, the device for improving the dry separation efficiency after magnetite fine crushing further comprises a concentrate nozzle 6 arranged below the magnetic isolation material separation plate 4, wherein the concentrate nozzle 6 is configured to receive the mineral aggregate below the magnetic isolation material separation plate 4.
Preferably, the device for improving the dry separation efficiency after magnetite fine crushing further comprises a sweeper 7, wherein the sweeper 7 is arranged below the lower layer belt of the dry separation belt 1, and the sweeper 7 is configured to clean the surface of the lower layer belt.
The sweeper 7 may be a brush or an air sweeper 7.
The device for improving the dry separation efficiency after magnetite fine crushing further comprises a waste rock nozzle 8, and the waste rock nozzle 8 is arranged below the magnetic separation plate.
Preferably, the material receiving fence 2 includes: a guardrail frame 21 and a guardrail skin 22. The guardrail frame 21 is fixed above the upper layer belt of the dry separation belt 1, the guardrail frame 21 is a strip rod piece parallel to the extending direction of the upper layer belt, and a through hole is formed in the guardrail frame 21 along the extending direction of the upper layer belt. The guardrail skin 22 is movably arranged on the guardrail frame 21, and the guardrail skin 22 is inserted into the through hole. Wherein, the through hole has a tendency to incline toward the upper layer belt center line direction from top to bottom, and the guardrail skin 22 has a tendency to incline toward the upper layer belt center line direction from top to bottom.
The upper part of the guardrail skin is provided with an anti-falling strip which is of a strip structure with a square section.
In the description of the present specification, a particular feature, structure, material, or characteristic may be combined in any suitable manner in one or more embodiments or examples.
The foregoing is merely illustrative of the present invention, and the present invention is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present invention should be included in the scope of the present invention. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (9)
1. Promote magnetite and finely divide device of back dry separation efficiency, its characterized in that includes:
the dry separation belt is provided with parallel carrier rollers at least at the position close to the machine head roller;
The material collecting guardrails are arranged on two sides of an upper layer belt of the dry separation belt along the extending direction of the upper layer belt;
and the spreading mechanism is arranged right above the upper layer belt provided with the parallel carrier rollers and is configured to finely spread iron ores on the upper layer belt.
2. The device for improving the dry separation efficiency after magnetite fine crushing according to claim 1, wherein the dry separation belt comprises a dry separation magnetic roller;
The device for improving the dry separation efficiency after magnetite fine crushing further comprises a magnetic isolation material separating plate, wherein the magnetic isolation material separating plate is arranged below the dry separation magnetic roller, the included angle between the shortest straight line between the center line of the magnetic isolation material separating plate and the center line of the dry separation magnetic roller and the vertical center line is 0-30 degrees, and the radius of the dry separation magnetic roller is 0.5 times the distance between the upper end face of the magnetic isolation material separating plate and the center line of the dry separation magnetic roller, or the distance between the upper end face of the magnetic isolation material separating plate and the surface of the dry separation magnetic roller is 100mm.
3. The device for improving the dry separation efficiency after magnetite fine crushing according to claim 2, wherein the spreading mechanism comprises:
the support of the adjusting screw is fixed with the dry separation belt, and the threaded rod of the adjusting screw is movably arranged in the support of the adjusting screw;
The material spreading piece is a square magnetic block and is arranged below the adjusting screw rod, and the material spreading piece is further arranged above the upper layer belt on the inner sides of the two oppositely arranged material receiving guardrails.
4. The device for improving the dry separation efficiency after magnetite fine crushing according to claim 3, wherein the spreading mechanism further comprises a return spring, a blind hole with an upward opening is formed in the spreading piece, the lower end of the adjusting screw is movably arranged in the blind hole, and the return spring is further arranged between the bracket of the adjusting screw and the spreading piece.
5. The device for improving the dry separation efficiency after magnetite fine crushing according to claim 4, wherein the magnet of the spreading piece comprises a 350mT field.
6. The apparatus for improving the efficiency of post-fine magnetite dry separation according to claim 5, further comprising a concentrate nozzle disposed below the magnetically insulated separating plate, the concentrate nozzle configured to receive the mineral material below the magnetically insulated separating plate.
7. The device for improving the dry separation efficiency after magnetite fine crushing according to claim 6, further comprising a sweeper disposed below the lower belt of the dry separation belt, the sweeper being configured to clean the surface of the lower belt.
8. The device for improving the dry separation efficiency after magnetite fine crushing according to claim 7, wherein the device for improving the dry separation efficiency after magnetite fine crushing further comprises a material separating plate, and the upper end of the material separating plate is arranged below the lower side of the dry separation magnetic roller and is higher than the lower end of the dry separation magnetic roller;
The device for improving the dry separation efficiency after magnetite fine crushing further comprises a waste rock nozzle, and the waste rock nozzle is arranged below the separating plate.
9. The device for improving the efficiency of dry separation after magnetite fine crushing according to claim 8, wherein the collection barrier comprises:
The guardrail frame is fixed above the upper layer belt of the dry separation belt, is a strip rod piece parallel to the extending direction of the upper layer belt, and is provided with a through hole along the extending direction of the upper layer belt;
The guardrail skin is movably arranged on the guardrail frame and is inserted into the through hole;
The through holes are inclined towards the central line of the upper layer belt from top to bottom, and the guardrail leather is inclined towards the central line of the upper layer belt from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410325811.2A CN118022978A (en) | 2024-03-21 | 2024-03-21 | Device for improving dry separation efficiency of finely crushed magnetite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410325811.2A CN118022978A (en) | 2024-03-21 | 2024-03-21 | Device for improving dry separation efficiency of finely crushed magnetite |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118022978A true CN118022978A (en) | 2024-05-14 |
Family
ID=90996698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410325811.2A Pending CN118022978A (en) | 2024-03-21 | 2024-03-21 | Device for improving dry separation efficiency of finely crushed magnetite |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118022978A (en) |
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2024
- 2024-03-21 CN CN202410325811.2A patent/CN118022978A/en active Pending
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