CN112547305B - Brown corundum magnetic separation system - Google Patents
Brown corundum magnetic separation system Download PDFInfo
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- CN112547305B CN112547305B CN202011309964.6A CN202011309964A CN112547305B CN 112547305 B CN112547305 B CN 112547305B CN 202011309964 A CN202011309964 A CN 202011309964A CN 112547305 B CN112547305 B CN 112547305B
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- 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
- B03C1/26—Magnetic separation acting directly on the substance being separated with free falling material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
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- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
Abstract
The invention relates to the technical field of magnetic separation equipment, and particularly discloses a brown corundum magnetic separation system, which comprises a feed hopper, a discharge hopper and a screening table, wherein a screening channel which is communicated up and down is arranged in the screening table, the feed hopper is communicated with the top of the screening channel, the discharge hopper is communicated with the bottom of the screening channel, the vertical section and the transverse section of the screening channel are both long-strip-shaped, two large-area wide surfaces of the screening channel are respectively a flow guide surface and a magnetic attraction surface which are opposite to each other, the distance between the flow guide surface and the magnetic attraction surface is 15-20 mm, a magnetic block is arranged on the magnetic attraction surface, and a turbulence strip positioned above the magnetic block is also arranged on the magnetic attraction surface. This patent is when using, because brown alumina material is at the in-process of whereabouts, the iron fillings adsorb on the magnetic path of one side, and the iron fillings after being adsorbed can not receive the impact force of material again like this, have solved among the prior art iron fillings and have received the impact of material to make the not good problem of magnetic separation effect.
Description
Technical Field
The invention relates to the technical field of magnetic separation equipment, in particular to a brown fused alumina magnetic separation system.
Background
Brown corundum, also known as carborundum, is made from three raw materials of bauxite, carbon material and scrap iron through melting and reduction in an electric arc furnace. The brown corundum has main chemical component of aluminum oxide, and its content is 95-97%, and contains small amount of Fe, si, ti, etc. Brown corundum is widely used for producing abrasive materials because of its good wear resistance and low price.
The utility model provides a brown corundum material, including the brown corundum material, the production in-process that need adopt the magnet separator to carry out the deironing, current magnet separator need connect the power in the in-process that uses just can operate, in the production scene, sometimes do not reserve the power for the magnet separator, cause the magnet separator unable circular telegram operation, cause the use of magnet separator to be restricted, therefore the patent discloses a need not the circular telegram just can accomplish the equipment of magnetic separation, change the potential energy of brown corundum material in the downwardly moving in-process into the kinetic energy of rotary drum, drive rotary drum rotation, and be equipped with the magnet of fixing in the outside in the rotary drum, accomplish the magnetic separation like this, like this mode has solved inconvenient reserve power's problem, but brown corundum material is adsorbed on the rotary drum at the in-process iron dust that falls down, at the same time also is at the continuous impact rotary drum, make the iron dust that adsorbs on the rotary drum drop under the impact again, thereby make the effect of magnetic separation not good.
Disclosure of Invention
The invention provides a brown corundum magnetic separation system, which aims to solve the problem that in the prior art, brown corundum can impact iron filings magnetically attracted in the magnetic separation process, so that the magnetic separation effect is poor.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the utility model provides a brown fused alumina magnetic separation system, includes the frame, is fixed with the feeder hopper in the frame, goes out hopper and screening bench, screening passageway that link up from top to bottom has been seted up in the screening bench, the top intercommunication of feeder hopper and screening passageway goes out hopper and screening passageway's bottom intercommunication, and screening passageway's vertical cross-section and transverse cross-section are rectangular shape, and two large tracts of land wide faces of screening passageway are respectively the guide surface and the magnetism that are mutually right, and the guide surface is 15 ~ 20mm with the magnetism and inhale the distance between the face, is equipped with the magnetic path on the magnetism and inhale the face, still be equipped with the vortex strip that is located the magnetic path top on the magnetism and inhale the face.
The technical principle and effect of the technical scheme are as follows:
1. in this scheme will wait the brown alumina material of magnetic separation to send into the feeder hopper in, the material that gets into the feeder hopper can be along being close to guide surface one side downwardly moving under the stop of vortex strip, because the width between guide surface and the magnetic attraction face is less than 20mm, consequently the material can drop downwards with the curtain form of one deck thin, the material is at whereabouts in-process, the iron fillings that are mingled with have been adsorbed on the magnetic path under the effect of magnetic force, the magnetic separation of material has been accomplished like this, and the material after the magnetic separation is accomplished discharges the magnetic separation passageway from the ejection of compact fill.
2. In this scheme because brown corundum material is in the in-process of whereabouts, the iron fillings adsorb on the magnetic path of one side, the iron fillings after being adsorbed can not receive the impact force of material any more like this, have solved among the prior art iron fillings and have received the impact of material to make the not good problem of magnetic separation effect, and this scheme simple structure can carry out effectual magnetic separation to the material, is fit for extensively using widely.
Further, an installation cavity positioned on one side of the magnetic attraction surface is formed in the screening table, the magnetic block is horizontally and slidably connected in the installation cavity, the magnetic block is connected with a driving mechanism for driving the magnetic block to slide, and the magnetic block is an electromagnet.
The beneficial effects are that: when the iron filings adsorbed on the magnetic block are too much, the magnetic block can slide through the driving mechanism, and the magnetic block is demagnetized through power failure, so that the iron filings adsorbed on the magnetic block are cleaned, and the subsequent adsorption capacity is improved.
Further, a discharge port communicated with the installation cavity is formed in the screening table, the discharge port is located at the bottom of the installation cavity, and a recovery bin communicated with the discharge port is arranged at the bottom of the screening table.
The beneficial effects are that: the scrap iron cleaned from the magnetic block can enter the recycling bin along the discharge port, and is not discharged from the same discharge hopper with the material, so that the scrap iron is prevented from remaining in the discharge hopper and returning to the material again.
Further, the length of the discharge port is not smaller than the length of the magnetic block.
The beneficial effects are that: the arrangement enables scrap iron cleaned from the magnetic block to be discharged from the discharge port completely, and accumulation in the installation cavity is prevented.
Further, the flow guiding surface is obliquely arranged and faces to the magnetic attraction surface.
The beneficial effects are that: the purpose of setting like this is that slowing down brown corundum material downwardly moving's speed, makes the iron fillings in it can fully be by the magnetic separation.
Further, the included angle between the flow guide surface and the horizontal plane is 83-86 degrees.
The beneficial effects are that: too big contained angle can make the effect of slowing down not enough, and the too little speed that can make the material remove of contained angle is too slow again, produces in the screening passageway and piles up, influences the effect of magnetic separation.
Further, the screening table is internally provided with a mounting groove positioned at one side of the flow guide surface, the flow guide surface is provided with a plurality of air holes, the air holes are obliquely arranged, an outlet of the air holes close to one side of the flow guide surface is downward, and the mounting groove is internally provided with blast equipment communicated with the air holes.
The beneficial effects are that: the purpose that sets up like this adopts to set up the guide surface to the mode of slope and slows down the travel speed of material, because material and guide surface exist friction throughout, can inevitably lead to the material to appear piling up of certain degree on the guide surface, especially be close to the place at guide surface edge, consequently through setting up guiding mechanism in this scheme to the material that tends to pile up moves down, especially is located the material at guide surface edge place.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment 1 of a brown alumina magnetic separation system according to the present invention;
FIG. 2 is a schematic structural diagram of embodiment 2 of a brown alumina magnetic separation system according to the present invention;
fig. 3 is a schematic structural diagram of embodiment 3 of a brown alumina magnetic separation system according to the present invention.
Detailed Description
The following is a further detailed description of the embodiments:
reference numerals in the drawings of the specification include: the device comprises a feeding hopper 10, a discharging hopper 11, a screening table 12, a screening channel 13, a guide surface 14, a magnetic attraction surface 15, a mounting cavity 16, a magnetic block 17, a turbulence strip 18, an electric cylinder 19, a discharge port 20, a mounting groove 21 and an air hole 22.
Example 1:
substantially as shown in figure 1: the utility model provides a brown fused alumina magnetic separation system, includes the frame, is fixed with feeder hopper 10 in the frame, ejection of compact fill 11 and screening platform 12, wherein set up screening passageway 13 that link up from top to bottom in screening platform 12, feeder hopper 10 and screening passageway 13's top intercommunication, and ejection of compact fill 11 and screening passageway 13's bottom intercommunication, screening passageway 13's vertical cross-section and transverse cross-section are rectangular shape, and two large tracts of land broad planes of screening passageway 13 are water conservancy diversion face 14 and magnetism and inhale face 15, and water conservancy diversion face 14 is just right with magnetism and inhale face 15.
A mounting cavity 16 positioned at one side of a magnetic suction surface 15 is formed in the screening table 12, a magnetic block 17 is slidably connected in the mounting cavity 16, the magnetic block 17 is an electromagnet, the magnetic block 17 can form an adsorption effect on iron powder in brown corundum after the electromagnet is electrified, a turbulence strip 18 positioned above the magnetic block 17 is arranged on the magnetic suction surface 15, the length of the turbulence strip 18 is not lower than the length of the bottom of the feed hopper 10, and the distance between the guide surface 14 and the magnetic suction surface 15 is 15-20 mm; the installation cavity is internally provided with a driving mechanism for driving the magnetic block 17 to horizontally slide, the driving mechanism is an electric cylinder 19 in the embodiment, the electric cylinder 19 is horizontally fixed in the installation cavity 16, a piston rod of the electric cylinder 19 is fixed on the magnetic block 17, the screening table 12 is internally provided with a discharge outlet 20 communicated with the installation cavity 16, the length of the discharge outlet 20 is not less than that of the magnetic block 17, the discharge outlet 20 is positioned at the bottom of the installation cavity 16, and a recovery bin communicated with the discharge outlet 20 is further arranged at the bottom of the screening table 12.
During the concrete implementation, the brown alumina material to be magnetically separated is sent into the feed hopper 10, the material entering the feed hopper 10 moves downwards along one side close to the guide surface 14 under the blocking of the turbulence bar 18, and the material falls downwards in a thin curtain shape due to the fact that the width between the guide surface 14 and the magnetic attraction surface 15 is less than 20mm, and the material falls down in a falling process, wherein iron filings mixed with the material are adsorbed on the magnetic block 17 under the action of the electromagnet, so that the magnetic separation of the material is completed, and the magnetically separated material is discharged from the discharge hopper 11 to the magnetic separation channel.
When excessive iron filings adsorbed on the magnetic block 17 need to be cleaned, the electric cylinder 19 is started to enable the magnetic block 17 to slide into the mounting cavity 16, and when the magnetic block 17 is positioned behind the discharge outlet 20, the power supply of the electromagnet is turned off to enable the magnetic block 17 to lose magnetism, so that the iron filings adsorbed on the magnetic block 17 drop downwards and enter the recycling bin along with the discharge outlet 20.
Example 2:
substantially as shown in figure 2: the difference from embodiment 1 is that the guide surface 14 is inclined, and the guide surface 14 faces the magnetic attraction surface 15, and the included angle between the guide surface 14 and the horizontal plane is 83 ° to 86 °.
The purpose that sets up like this is that slowing down brown corundum material downwardly moving's speed, makes the iron fillings wherein can fully be gone out by the magnetic separation, and in order to prevent that the contained angle is too big for the effect of slowing down is not enough, or the contained angle is too little can make the speed that the material moved too slow again, produces in screening passageway 13 and piles up, influences the effect of magnetic separation, consequently sets the contained angle to 83 ~ 86.
Example 3:
substantially as shown in figure 3: the difference from embodiment 2 is that the screening table 12 is provided with a mounting groove 21 on the side of the guide surface 14, and the guide surface 14 is provided with a guide mechanism, specifically: two groups of air holes 22 are formed in the guide surface 14, the two groups of air holes 22 are respectively formed in the upper portion and the middle portion of the guide surface 14, each group of air holes 22 comprises a plurality of air holes 22 which are arranged at equal intervals along the width direction of the guide surface 14, the air holes 22 are communicated with the mounting groove 21, the air holes 22 are obliquely arranged, an outlet of one side, close to the guide surface 14, of each air hole 22 is arranged downwards, and air blasting equipment is arranged in the mounting groove 21 and communicated with each air hole 22 through a pipeline.
The purpose of this setting is that the adoption sets up the guide surface 14 to the mode of slope and slows down the travel speed of material, because the material is with guide surface 14 exists friction all the time, can inevitably lead to the material to appear piling up to a certain extent on guide surface 14, especially is close to the place at guide surface 14 edge, so through setting up guiding mechanism in this scheme to the material that tends to pile up moves down, especially is located the material at guide surface 14 edge place.
The foregoing is merely exemplary embodiments of the present invention, and specific structures and features that are well known in the art are not described in detail herein. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present invention, and these should also be considered as the scope of the present invention, which does not affect the effect of the implementation of the present invention and the utility of the patent. The protection scope of the present application shall be subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (5)
1. The utility model provides a brown fused alumina magnetic separation system, includes the frame, is fixed with feeder hopper, play hopper and screening platform in the frame, its characterized in that: the screening table is internally provided with a screening channel which is vertically communicated, the feed hopper is communicated with the top of the screening channel, the discharge hopper is communicated with the bottom of the screening channel, the vertical section and the transverse section of the screening channel are long-strip-shaped, two large-area wide surfaces of the screening channel are respectively a guide surface and a magnetic suction surface which are opposite to each other, the distance between the guide surface and the magnetic suction surface is 15-20 mm, the magnetic suction surface is provided with a magnetic block, and the magnetic suction surface is also provided with a turbulence strip positioned above the magnetic block; the screening table is internally provided with a mounting groove positioned at one side of the flow guide surface, the flow guide surface is provided with a plurality of air holes, the air holes are obliquely arranged, an outlet at one side of each air hole close to the flow guide surface is downward, and the mounting groove is internally provided with a blower device communicated with each air hole; the guide surface is obliquely arranged and faces the magnetic attraction surface.
2. The brown fused alumina magnetic separation system according to claim 1, wherein: the screening table is internally provided with a mounting cavity positioned on one side of the magnetic attraction surface, the magnetic block is horizontally and slidably connected in the mounting cavity, the magnetic block is connected with a driving mechanism for driving the magnetic block to slide, and the magnetic block is an electromagnet.
3. The brown fused alumina magnetic separation system according to claim 2, wherein: the screening table is internally provided with a discharge port communicated with the installation cavity, the discharge port is positioned at the bottom of the installation cavity, and the bottom of the screening table is provided with a recovery bin communicated with the discharge port.
4. A brown fused alumina magnetic separation system according to claim 3 wherein: the length of the discharge port is not smaller than the length of the magnetic block.
5. The brown fused alumina magnetic separation system according to claim 1, wherein: the included angle between the flow guide surface and the horizontal plane is 83-86 degrees.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011309964.6A CN112547305B (en) | 2020-11-20 | 2020-11-20 | Brown corundum magnetic separation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011309964.6A CN112547305B (en) | 2020-11-20 | 2020-11-20 | Brown corundum magnetic separation system |
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| CN112547305A CN112547305A (en) | 2021-03-26 |
| CN112547305B true CN112547305B (en) | 2023-05-09 |
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| CN107416876A (en) * | 2017-05-11 | 2017-12-01 | 郑州睿科生化科技有限公司 | A kind of production technology of brown fused alumina micropowder |
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| JP2002126571A (en) * | 2000-10-23 | 2002-05-08 | Fumio Tagami | Magnetic attraction apparatus for magnetic foreign matter |
| JP2006068647A (en) * | 2004-09-02 | 2006-03-16 | Japan Science & Technology Agency | Magnetic separation apparatus for granular substance |
| CN201192661Y (en) * | 2008-05-15 | 2009-02-11 | 艾丙祥 | Reciprocating separation apparatus of dried coal powder and gray iron powder |
| CN102527510A (en) * | 2010-12-31 | 2012-07-04 | 上海金匙环保科技有限公司 | Pipeline iron separating sieve for discharging iron from clearances and separating method thereof |
| DE102011003825A1 (en) * | 2011-02-09 | 2012-08-09 | Siemens Aktiengesellschaft | Device for separating ferromagnetic particles from a suspension |
| CN103537370A (en) * | 2013-11-01 | 2014-01-29 | 张家港市昊天金属科技有限公司 | Iron sorting device for aluminum alloy production process |
| CN104070014A (en) * | 2014-06-07 | 2014-10-01 | 江苏泰达纺织有限公司 | Impurity removing device provided with bridge type magnet |
| CN204107645U (en) * | 2014-09-29 | 2015-01-21 | 合肥乾海洁净煤技术有限公司 | Boiling type magnetic separator |
| CN205065730U (en) * | 2015-10-23 | 2016-03-02 | 淄博市技师学院 | Energy -concerving and environment -protective waste incinerator |
| JP6804035B2 (en) * | 2016-07-15 | 2020-12-23 | 株式会社サタケ | Shock absorber in grain chute piping |
| CN207325061U (en) * | 2017-07-13 | 2018-05-08 | 梁平县瑞予农业有限公司 | A kind of rice concentration equipment of adjustable precision |
| CN208275753U (en) * | 2018-03-20 | 2018-12-25 | 宁夏竣鹏新材料科技有限公司 | A kind of magnetic sorting device for the production of copper rice |
| CN209333957U (en) * | 2018-12-13 | 2019-09-03 | 江苏扬联磁电科技有限公司 | Viscose rayon produces dedicated alkali fibre air hose crooked pipeline permanent-magnetic iron expeller |
| CN110339941B (en) * | 2019-07-24 | 2021-01-08 | 中南大学 | Turbulent flow flat plate type magnetic separator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107416876A (en) * | 2017-05-11 | 2017-12-01 | 郑州睿科生化科技有限公司 | A kind of production technology of brown fused alumina micropowder |
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