CN203091083U - Dry magnetic separator - Google Patents
Dry magnetic separator Download PDFInfo
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- CN203091083U CN203091083U CN 201320086422 CN201320086422U CN203091083U CN 203091083 U CN203091083 U CN 203091083U CN 201320086422 CN201320086422 CN 201320086422 CN 201320086422 U CN201320086422 U CN 201320086422U CN 203091083 U CN203091083 U CN 203091083U
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Abstract
The utility model discloses a dry magnetic separator which comprises a conveyer belt, wherein the conveyer belt consists of a feeding section and a magnetic separation section; a magnetic system is arranged on the inner side of the magnetic separation section; the magnetic separation section consists of a roughing section, an arced fining section and a concentrate feeding section in sequence along the flowing direction of materials; a vibration chute is arranged below the roughing section; a vibrating device is installed on the concentrate feeding section; a blowing device and a feeding tank are correspondingly arranged in sequence below the concentrate feeding section; and a middling port is formed in the tail part of the feeding tank. By utilizing the dry magnetic separator, a great amount of magnetic materials which are subjected to rolling of a high-pressure grinding roller can be continuously treated, particularly materials of high class can be separated, the later process equipment can be reduced, the energy consumption of a process system is reduced, and the needed grades are obtained and the requirements on output are met when the materials pass through the magnetic separator once.
Description
Technical field
The utility model relates to a kind of dry-type magnetic extractor, belongs to the magnetic separator field that is used for the magnetic material sorting in the industries such as metallurgy, mine.
Background technology
In the ore dressing field of industries such as metallurgy, mine, need magnetic material be chosen, for example iron ore is chosen, studying dry-type magnetic extractor energetically in the industry now.Present disclosed dry-type magnetic extractor, the concentrate grade after its ore dressing often in a scope as 30%-60%, if only require and select high-grade ore deposit, these dry-type magnetic extractors then have no idea to realize; After particularly roll squeezer was applied to the pulverizing of magnetic iron ore, the material treating capacity was quite huge, and dry-type magnetic extractor commonly used can't meet the demands.
Application number is 201010272770.3, the applying date is on 08 31st, 2010, publication number is CN101972700A, name is called the Chinese invention patent application of vibrated fluidized bed dry-type magnetic extractor, the magnetic separator that this invention is introduced is arranged horizontally owing to shaking chute, be not easy to material movement, be not suitable for the magnetic separation of the big material for the treatment of capacity, such as the magnetic separation after the magnetic iron ore roll-in; And because magnetic ties up to the length direction magnetic force of vibrating disk is constant, can not only sub-elect high-grade ore deposit; The circulation upset of material can not be formed, magnetic separation can not be carried out to the bottom material equally; And do not have dust exhaust apparatus, can not siphon away the non magnetic dust that is wrapped on the magnetic material, these materials can not be sorted out, so it is not suitable for the magnetic separation of material after the roll-in.
Application number is 201110179249.X, the applying date is on 06 29th, 2011, publication number is CN102294300A, name is called the Chinese invention patent of shuttle belt formula magnetic separator, the scheme that this patent is introduced, material overturns by shuttle belt, can carry out magnetic separation to the bottom material, the big magnetic separation of inventory after the suitable roll-in.But, can not only sub-elect high-grade ore deposit owing to only depend on magnetic force to carry out magnetic separation.
The utility model content
The purpose of this utility model is exactly at above-mentioned prior art problems, a kind of dry-type magnetic extractor is provided, the a large amount of magnetic material of processing after the high-pressure roller mill roll-in that can be continuous, particularly can sub-elect high-grade material, reduce subsequent technique equipment, reduce the process system energy consumption, make material disposable by just obtaining the requirement of required grade and output behind the magnetic separator.
The purpose of this utility model realizes by following technical proposals:
A kind of dry-type magnetic extractor, comprise conveyer belt, conveyer belt is divided into feeding section and magnetic separation section, magnetic separation section inboard is provided with magnetic system, the magnetic separation section is followed successively by the section of roughly selecting, selected section of circular arc and concentrate feeding section along flow direction of material, and the section of roughly selecting below is provided with shaking chute, on concentrate feeding section rapping apparatus is installed, concentrate feeding section below correspondence sets gradually blowning installation and chute feeder, and the chute feeder afterbody is provided with middle mine mouth.
Further, described rapping apparatus is rapping rod or the rapping plate that vibrating mechanism drives.
Further, described blowning installation is the corresponding many hollow inflatable pipes that be arranged in parallel in concentrate feeding section below, offers some pores on gas tube and concentrate feeding spacer segment certain distance and the gas tube, and pore forms air curtain to the exhaust of concentrate feeding section.
Further, described shaking chute is the inflatable shaking chute, and this inflatable shaking chute correspondence is arranged on the section of roughly selecting below.
Further, uniform some micropores on the working face of described inflatable shaking chute.
Further, described inflatable shaking chute connects air blast, and air blast provides air-supply to be ejected in inflatable shaking chute working face from micropore and forms inflatable air cushion.Material is when the inflatable shaking chute working face, and upset on air cushion, vibration not only make the bottom material by fully magnetic separation, and Flow of Goods and Materials speeds up, and makes the treating capacity of material strengthen.
Further, the feeding section of described conveyer belt turns to the corner of magnetic separation section to be provided with first and throws the tail mouth, and the shaking chute afterbody is provided with second and throws the tail mouth, and second throws the tail mouth is connected with dust collecting system, and concentrate feeding segment trailer is provided with the concentrate mouth.
Further, on the feeding section of described conveyer belt feed pipe is arranged, below the feeding section near feed pipe belt conveyer scale is set, middle mine mouth links to each other with feed pipe by transmission system.Belt claims to be used for to determine the amount of convey materials, mating follow-up mass flow, thereby does not need traditional feeding machine, simplifies the structure, and is easy for installation, saves cost.Mass transport in the middle mine mouth is returned this magnetic separator circulation magnetic separation to feed pipe, improves screening effeciency, avoids the material waste.
Further, the feeding section arranged outside dust catcher of described conveyer belt is used to siphon away airborne dust, can be beneficial to magnetic material and separate with non-magnetic material fully by magnetic separation after making magnetic material exposed.
Further, whole magnetic separator arranged outside dust cover is used to prevent the dust contaminated environment that flies out.
Each parts effect of the utility model and act on as follows:
1, during selected section of the circular arc of material flow on the magnetic separation section, material forms circular motion, under action of centrifugal force, the material of product potential difference is left on shaking chute, when second throws the tail mouth, throw tail, throw the tail amount and reach 50%, according to throwing the tail granularity, second throws the tail mouth can link to each other with dust collecting system, avoids dust polluting environment.Remaining high-grade concentrate is delivered to the concentrate mouth by concentrate feeding section and collects, material is subjected to the rapping effect of rapping apparatus and the wind-force effect of blowning installation during by concentrate feeding section, make the impurity in the magnetic material and the non-magnetic material of parcel fall to chute feeder, be admitted in the mine mouth feed pipe that returns this magnetic separator then magnetic separation that circulates.
2, conveyer belt adjustable-speed is so that the control thruput;
3, belt claims that the throughput of shaking chute can claim to regulate according to belt in order to determine the amount of convey materials;
4, owing to used belt to claim, can save a feeding machine, reduce cost at front end.After the feeding machine that tradition is used need carry out structural modification, could be connected and installed, waste time and energy, adopt belt to claim easy for installation, simple in structure with magnetic separator.
5, adopt the inflatable shaking chute,, fine powder can not sunk to the bottom owing to inflatable air cushion being arranged and can vibrating, material is fully stirred, make that magnetic material is chosen fully, the rate of recovery reaches more than 99%, and Flow of Goods and Materials speeds up, thereby the treating capacity of material is strengthened;
6, carry the vibration frequency of skewed slot adjustable to adapt to the material of different grain size and grade;
7, this dry type magnetic separator can be chosen fast owing to adopt the inflatable shaking chute, and treating capacity is big.
Compared with prior art, the beneficial effects of the utility model are:
The a large amount of magnetic material of processing after the high-pressure roller mill roll-in that can be continuous, particularly can sub-elect high-grade material, reduce subsequent technique equipment, reduce the process system energy consumption, make material disposable by just obtaining the requirement of required grade and output behind the magnetic separator.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Below in conjunction with specific embodiments and the drawings the utility model is further described.
As shown in Figure 1, a kind of dry-type magnetic extractor comprises that feed pipe 1, conveyer belt, belt claim 3, dust catcher 4, magnetic wheel 5, belt pulley 14, dust cover 6, air blast 8, inflatable shaking chute 9, magnetic are 10, chute feeder 21, rapping rod 17, gas tube 18 and vibrating mechanism 19.
Conveyer belt drives by belt pulley 14 and magnetic wheel 5, conveyer belt is divided into feeding section 2 and magnetic separation section, it is 10 that magnetic separation section inboard is provided with magnetic, magnetic wheel 5 is located at the corner inboard that feeding section 2 turns to the magnetic separation section, the magnetic separation section is followed successively by the section of roughly selecting 15, selected section 11 of circular arc and concentrate feeding section 16 along flow direction of material, and the section of roughly selecting 15 below correspondences are provided with inflatable shaking chute 9.Uniform some micropores on the working face of described inflatable shaking chute 9, inflatable shaking chute 9 connects air blast 8, and air blast 8 provides air-supply to be ejected in inflatable shaking chute 9 working faces from micropore and forms inflatable air cushion.Material is when inflatable shaking chute 9 working faces, and upset on air cushion, vibration not only make the bottom material by fully magnetic separation, and Flow of Goods and Materials speeds up, and makes the treating capacity of material strengthen.
On concentrate feeding section 16, install some groups with the wide rapping rod 17 of conveyer belt, rapping rod 17 drives by vibrating mechanism 19, concentrate feeding section 16 below correspondences be arranged in parallel many with the wide hollow inflatable pipe 18 of conveyer belt, the inflation of gas tube 18 two ends, gas tube 18 keeps at a certain distance away with conveyer belt and faces and carry zone face to offer some pores, and pore forms air curtain to 16 exhausts of concentrate feeding section.Gas tube 18 belows are provided with chute feeder 21, and chute feeder 21 afterbodys are provided with middle mine mouth 20, and the material that rapping is got off flows into chats mouth 20.Middle mine mouth 20 can link to each other with feed pipe 1 by transmission system, thereby realizes the circulation magnetic separation.
On the feeding section 2 of described conveyer belt feed pipe 1 is arranged, near feeding section 2 belows of feed pipe 1 belt conveyer scale 3 is set, belt claims 3 to be used for determining the amount of convey materials, mating follow-up mass flow, and can save a feeding machine, has reduced cost.Feeding section 2 arranged outside dust catchers 4 are used to siphon away airborne dust, can be beneficial to magnetic material and separate with non-magnetic material fully by magnetic separation after making magnetic material exposed.Whole magnetic separator arranged outside dust cover 6 is used to prevent the dust contaminated environment that flies out.
The feeding section 2 of described conveyer belt turns to the corner of magnetic separation section to be provided with first and throws tail mouth 7, inflatable shaking chute 9 afterbodys are provided with second and throw tail mouth 12, and according to throwing the tail granularity, second throws tail mouth 12 can link to each other with dust collecting system, avoid dust polluting environment, concentrate feeding section 16 afterbodys are provided with concentrate mouth 13.
Parameter of the present utility model is chosen as:
The wide of shaking chute 9 is 1-10m, long is 2-20m, the inclination angle be 1-45 ° adjustable, Oscillation Amplitude is 0.1-30mm, vibration frequency 1-3000Hz; The throughput of feed pipe 1 be the 30-300 ton/hour; The diameter of magnetic wheel 5 is 0.1-1m; The width of conveyer belt is 1-10m, and length is 2-20m; The air quantity of dust catcher 4 is greater than 10000L/min; Selected section 11 radius 0.1-1m of circular arc.
Technical process of the present utility model is:
According to the requirement that roughly select in the magnetic ore deposit or the magnetic ore deposit is selected, select different magnetic field intensity and material size.Carry out the magnetic ore deposit when roughly selecting, the control material size is less than 5mm, and magnetic field intensity is controlled at 1200Gs-3000Gs.Sorted materials enters magnetic separator from feed pipe 1, flows on conveyer belt, claims 3 to flow to magnetic wheel 5 through belt, and dust catcher 4 siphons away airborne dust, and dust cover 6 flies out in order to prevent dust, influences environment.Change the material traffic direction when material flows to magnetic wheel 5 and enter the section of roughly selecting 15, magnetic material is adsorbed on makes the layering of sorting property of material on the belt, be beneficial to follow-up sorting, a part of non-magnetic material carries out throwing the first time tail herein, mine tailing is thrown into first and throws tail mouth 7, can throw 10%, rest materials continues to flow with belt, magnetic material is to be adsorbed on below the belt under 10 effects at magnetic, non-magnetic material flows on inflatable shaking chute 9, air blast 8 provides air-supply to form inflatable air cushion on the skewed slot working face and cooperates the vibration of skewed slot, and the fine powder in the material can not sunk to the bottom, and material fully stirs, magnetic material is chosen fully, the rate of recovery reaches more than 99%, and Flow of Goods and Materials is speeded up, thereby the treating capacity of material is strengthened.The vibration frequency of inflatable shaking chute 9 is adjustable to adapt to the material of different grain size and grade.Through selected section of circular arcs 11 o'clock, material formed circular motion to material along the section of roughly selecting 15, and material is under action of centrifugal force, and the material of product potential difference is left is throwing tail during to the second throwing tail mouth 12 on the inflatable shaking chute 9, and throwing tail amount reaches 50%.Remaining concentrate of high grade is delivered to concentrate mouth 13 by concentrate feeding section 16 and collects, material is subjected to the rapping of rapping rod 17 and the wind-force effect of gas tube 18 pores ejection by concentrate feeding section 16 time, the material of product potential difference falls to chute feeder 21, mine mouth 20 returns the 1 circulation magnetic separation of this magnetic separator feed pipe in being admitted to
Carry out the magnetic ore deposit when selected, the control material size is less than the 0.075mm(200 order), magnetic field intensity is controlled at 600Gs-1200Gs.All the other are consistent when roughly selecting with the magnetic ore deposit, do not repeat them here.
Therefore, adopt dry-type magnetic extractor of the present utility model to carry out choosing of magnetic material, magnetic material can be chosen fully, can carry out the magnetic separation in high-grade magnetic ore deposit.And this dry type magnetic separator is simple in structure, compact, adopts the inflation of band vibration to carry skewed slot, chooses fast, and treating capacity is big.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. dry-type magnetic extractor, comprise conveyer belt, conveyer belt is divided into feeding section and magnetic separation section, magnetic separation section inboard is provided with magnetic system, the magnetic separation section is followed successively by the section of roughly selecting, selected section of circular arc and concentrate feeding section along flow direction of material, and the section of roughly selecting below is provided with shaking chute, it is characterized in that: on concentrate feeding section rapping apparatus is installed, concentrate feeding section below correspondence sets gradually blowning installation and chute feeder, and the chute feeder afterbody is provided with middle mine mouth.
2. dry-type magnetic extractor according to claim 1 is characterized in that: described rapping apparatus is rapping rod or the rapping plate that vibrating mechanism drives.
3. dry-type magnetic extractor according to claim 2, it is characterized in that: described blowning installation is the corresponding many hollow inflatable pipes that be arranged in parallel in concentrate feeding section below, offer some pores on gas tube and concentrate feeding spacer segment certain distance and the gas tube, pore forms air curtain to the exhaust of concentrate feeding section.
4. dry-type magnetic extractor according to claim 3 is characterized in that: described shaking chute is the inflatable shaking chute, and this inflatable shaking chute correspondence is arranged on the section of roughly selecting below.
5. dry-type magnetic extractor according to claim 4 is characterized in that: uniform some micropores on the working face of described inflatable shaking chute.
6. dry-type magnetic extractor according to claim 5 is characterized in that: described inflatable shaking chute connects air blast, and air blast provides air-supply to be ejected in inflatable shaking chute working face from micropore and forms inflatable air cushion.
7. dry-type magnetic extractor according to claim 1, it is characterized in that: the feeding section of described conveyer belt turns to the corner of magnetic separation section to be provided with first and throws the tail mouth, the shaking chute afterbody is provided with second and throws the tail mouth, and second throws the tail mouth is connected with dust collecting system, and concentrate feeding segment trailer is provided with the concentrate mouth.
8. dry-type magnetic extractor according to claim 1 is characterized in that: on the feeding section of described conveyer belt feed pipe is arranged, below the feeding section near feed pipe belt conveyer scale is set, middle mine mouth links to each other with feed pipe by transmission system.
9. dry-type magnetic extractor according to claim 1 is characterized in that: the feeding section arranged outside dust catcher of described conveyer belt.
10. dry-type magnetic extractor according to claim 1 is characterized in that: whole magnetic separator arranged outside dust cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320086422 CN203091083U (en) | 2013-02-26 | 2013-02-26 | Dry magnetic separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320086422 CN203091083U (en) | 2013-02-26 | 2013-02-26 | Dry magnetic separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203091083U true CN203091083U (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320086422 Expired - Lifetime CN203091083U (en) | 2013-02-26 | 2013-02-26 | Dry magnetic separator |
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| Country | Link |
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| CN (1) | CN203091083U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104084304A (en) * | 2014-06-09 | 2014-10-08 | 灌阳县陈工选矿机械制造有限公司 | Sorting magnetic separation device |
| CN104209187A (en) * | 2014-09-29 | 2014-12-17 | 合肥乾海洁净煤技术有限公司 | Boiling type magnetic separator |
| CN109250523A (en) * | 2018-10-31 | 2019-01-22 | 安徽科信矿山机械制造有限公司 | A kind of ore classification collecting box |
| CN111905924A (en) * | 2020-06-23 | 2020-11-10 | 中南大学 | Dry-type crawler-type magnetic separator for coarse grain preselection and magnetic separation method |
| CN112619895A (en) * | 2021-01-11 | 2021-04-09 | 包永鹏 | Air magnetic dry separation device and magnetic bead recovery method for improving utilization rate of fly ash |
| CN113492057A (en) * | 2021-05-14 | 2021-10-12 | 李续磊 | Magnetic separation screening device for castable |
-
2013
- 2013-02-26 CN CN 201320086422 patent/CN203091083U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104084304A (en) * | 2014-06-09 | 2014-10-08 | 灌阳县陈工选矿机械制造有限公司 | Sorting magnetic separation device |
| CN104209187A (en) * | 2014-09-29 | 2014-12-17 | 合肥乾海洁净煤技术有限公司 | Boiling type magnetic separator |
| CN109250523A (en) * | 2018-10-31 | 2019-01-22 | 安徽科信矿山机械制造有限公司 | A kind of ore classification collecting box |
| CN111905924A (en) * | 2020-06-23 | 2020-11-10 | 中南大学 | Dry-type crawler-type magnetic separator for coarse grain preselection and magnetic separation method |
| CN112619895A (en) * | 2021-01-11 | 2021-04-09 | 包永鹏 | Air magnetic dry separation device and magnetic bead recovery method for improving utilization rate of fly ash |
| CN112619895B (en) * | 2021-01-11 | 2023-12-22 | 包永鹏 | Air-magnetic dry separation device and magnetic bead recovery method for improving utilization rate of fly ash |
| CN113492057A (en) * | 2021-05-14 | 2021-10-12 | 李续磊 | Magnetic separation screening device for castable |
| CN113492057B (en) * | 2021-05-14 | 2024-01-26 | 山西诺扬耐火材料股份有限公司 | Castable magnetic separation screening plant |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130731 |