CN208177514U - Double smooth roll crushing plants with permanent magnet dry type pre-selection function - Google Patents
Double smooth roll crushing plants with permanent magnet dry type pre-selection function Download PDFInfo
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- CN208177514U CN208177514U CN201820120683.8U CN201820120683U CN208177514U CN 208177514 U CN208177514 U CN 208177514U CN 201820120683 U CN201820120683 U CN 201820120683U CN 208177514 U CN208177514 U CN 208177514U
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- smooth roll
- double smooth
- magnetic
- double
- roll cylinders
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Abstract
The utility model relates to double smooth roll crushing plants with permanent magnet dry type pre-selection function, two double smooth roll cylinders including being symmetrical set, broken section is formed between double smooth roll cylinders, non magnetic product slot is provided with immediately below broken section, magnetic product slot is symmetrically arranged at left and right sides of non magnetic product slot, two magnetic product slots are located at below double smooth roll cylinders ipsilateral with it, magnetic system is fixed in double smooth roll cylinders, the relatively double smooth roll cylinders of magnetic system are static, it is not rotated with double smooth roll cylinders, magnetic system is to be fixed on the intracorporal permanent magnetism level Four magnetic system of roller of double smooth roll cylinders, the magnetism of its magnetic pole is circumferentially alternately arranged, Guide canel α is between 40 °~200 °, the utility model is simple and reasonable, it is easy to operate, long service life, the pre-selection of broken and dry type is combined, and by the relatively particulate iron ore particle that double smooth rolls are broken Dry type pre-selection effect is more preferable, and it is higher to throw tail rate.
Description
Technical field
The utility model relates to a kind of double smooth roll crushing plants with permanent magnet dry type pre-selection function, belong to mineral processing work
Journey technical field.
Background technique
Although the iron ore resource comparison in China is abundant, can directly enter furnace ironmaking, steel-making high-grad iron ore deposit resource reserve very
It is few, it is the ore of low-grade, complicated components and difficult choosing mostly.China's iron ore average grade is only 33%, than world average water
Put down low 10% or more.Therefore the ore of almost all exploitation all needs the processing by technique of preparing, to improve the raw material grade smelted
With the comprehensive utilization degree of useful component.And it is many processing iron ores dressing plants in, often coarse crushing or in it is broken after increase forever
Magnetic magnetic pulley carries out dry type pre-selection, abandons the barren rock being mixed into ore in advance, and entering to grind grade, increasing for ball mill not only can be improved
The processing capacity of grinding machine achievees the purpose that energy conservation, consumption reduction, synergy, and throws the part coarse grain gangue removed and do not have to enter Tailings Dam,
It thus can also greatly prolong the length of service of Tailings Dam.In actual production, due to can inevitably be generated in exploitation and shattering process
A large amount of fine ores, so that dry type throws tail majority and there is the problems such as throwing tail amount is few, grade increase rate is small, magnetic iron loss is larger, especially
It is in the south that has a humid climate or the north rainy season, it is particularly problematic.
Summary of the invention
The utility model proposes a kind of double smooth roll crushing plants with permanent magnet dry type pre-selection function, enhancing dry type pre-selection effects
Fruit.
The utility model solves scheme used by technical problem, a kind of double smooth rolls with permanent magnet dry type pre-selection function
Crushing plant forms broken section between double smooth roll cylinders, under being crushed section just including two pairs of smooth roll cylinders being symmetrical set
Side is provided with non magnetic product slot, is symmetrically arranged with magnetic product slot, two magnetic product slots at left and right sides of non magnetic product slot
It is located at below double smooth roll cylinders ipsilateral with it, is fixed with magnetic system in double smooth roll cylinders, the relatively double smooth roll cylinders of magnetic system are static, no
It is rotated with double smooth roll cylinders.
Further, the magnetic system is to be fixed on the intracorporal permanent magnetism level Four magnetic system of roller of double smooth roll cylinders, the magnetism of magnetic pole
Be it is circumferentially alternately arranged, for Guide canel α between 40 °~200 °, magnetic system head end is located at the middle inside of double smooth roll cylinders, magnetic
It is the lower part that end is located at double smooth roll cylinders, the inside of double smooth roll cylinders is double smooth roll cylinders distance apart from its side recently that
Side.
Further, 1-5 group magnetic system is set along axis interval in each double smooth roll cylinders.
Further, the magnetism of magnetic pole is to be alternately arranged in the pole N, S polar circle week.
Further, double smooth roll cylinder surface induction intensity are 100~1000mT.
Further, material size is 0~50mm, and breakdown products granularity is 0~10mm.
Compared with prior art, the utility model has the following beneficial effects: it is simple and reasonable, it is easy to operate, it uses
Service life is long, and the pre-selection of broken and dry type is combined, and preselects effect by the broken relatively particulate iron ore particle dry type of double smooth rolls
Fruit is more preferable, and it is higher to throw tail rate.
Detailed description of the invention
The utility model patent is further illustrated with reference to the accompanying drawing.
Fig. 1 is structure schematic diagram of the invention；
Fig. 2 is magnetic system structural schematic diagram.
In figure:
1- feed port；The bis- smooth roll cylinders of 2-；3- magnetic system；4- magnetic product slot；The non magnetic product slot of 5-；6- permanent magnets；7- magnetic
Yoke.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
As shown in Figs. 1-2, a kind of double smooth roll crushing plants with permanent magnet dry type pre-selection function, including be symmetrical set
Two double smooth roll cylinders, form broken section between double smooth roll cylinders, double smooth roll cylinders are used to large granular materials being broken into little particle
Material, broken section surface are provided with feed port, are provided with non magnetic product slot, non magnetic product slot immediately below broken section
The left and right sides is symmetrically arranged with magnetic product slot, and two magnetic product slots are located at below double smooth roll cylinders ipsilateral with it, double
Magnetic system is fixed in smooth roll cylinder, the relatively double smooth roll cylinders of magnetic system are static, do not rotate with double smooth roll cylinders, as shown in Figure 1, material is from giving
Mine mouth enters crusher, while material is crushed to 0~10mm granularity through double smooth roll cylinders, magnetic field force of the property particle by magnetic system in cylinder
Effect is attracted to double light roller surfaces, rotates together the weaker region in magnetic system fringe magnetic field with roller, falls into magnetic product
Slot, non magnetic product and magnetic very weak particle are directly fallen into non magnetic product slot by gravity, to realize that dry type preselects.
In the present embodiment, double smooth roll cylinders are set in fixing axle and are rotatably assorted through bearing and fixing axle, magnetic system setting
In fixing axle, and in being located at by double smooth roll barrel covers, double smooth roll cylinders one end is provided with gear or sprocket wheel, double smooth roll cylinders through gear with
The output gear engaged transmission of Power Component is or, output chain gear chain conveyer of double smooth roll cylinders through sprocket wheel, chain and Power Component, is moved
Power component is motor, retarder, the output axis connection reducer input shaft of motor, reducer output shaft setting output gear or defeated
Sprocket wheel out.
In the present embodiment, the magnetic system is to be fixed on the intracorporal permanent magnetism level Four magnetic system of roller of double smooth roll cylinders, such as Fig. 2 institute
Show, level Four magnetic system is made of permanent magnets and magnetic yoke, the magnetism of magnetic pole be it is circumferentially alternately arranged so that magnetic mineral is formed
Magnetic stirs phenomenon, and for Guide canel α between 40 °~200 °, magnetic system head end is located at the middle inside of double smooth roll cylinders, magnetic system end position
In the lower part of double smooth roll cylinders, the inside of double smooth roll cylinders is that nearest side of double smooth roll cylinders distance apart from its side.Double
During smooth roll cylinder rotates, due to the alternating polarity of magnetic system, so that magnetic-particle forms magnetic rolling or magnetic stirring, in this process
In, the lower particle of some non magnetic or grade being mixed in magnetic-particle is removed out, and falls into non magnetic product slot, has
Conducive to quality, the grade for improving magnetic product.
In the present embodiment, 1-5 group magnetic system is set along axis interval in each double smooth roll cylinders.
In the present embodiment, magnetic pole is circumferentially alternately arranged with N-S-N-S.
In the present embodiment, double smooth roll cylinder surface induction intensity are 100~1000mT.
In the present embodiment, material size is 0~50mm, and breakdown products granularity is 0~10mm.
Embodiment 1
Using Fujian iron ore (major metal mineral is magnetic iron ores) for primary sample, the raw ore 10kg for being -50+0mm by granularity
As feed, Fe grade is 34.0%, two groups of magnetic systems is respectively housed, Guide canel is 80 °, through this equipment in two double smooth roll cylinders
After broken, magnetic product and non-magnetic product are obtained.
Magnetic product 8.52kg is obtained, grade reaches 38.95%, the rate of recovery 97.60%；Non magnetic product quality 1.48kg,
Throw tail rate 14.80%, iron loss rate 2.40% in tailing.Compared with traditional dry type pre-selection, the head grade for entering mill is improved
2.0%~2.5%, grinding machine treating capacity reduces 5~10%.
Embodiment 2
Using Fujian iron ore (major metal mineral is magnetic iron ores) for primary sample, the raw ore 10kg for being -50+0mm by granularity
As feed, Fe grade is 34.0%.Three groups of magnetic systems are respectively housed, Guide canel is 120 °, through this equipment in two double smooth roll cylinders
After broken, magnetic product and non-magnetic product are obtained.
Magnetic product 8.42kg is obtained, grade reaches 39.55%, the rate of recovery 97.94%；Non magnetic product quality 1.58kg,
Throw tail rate 15.80%, iron loss rate 2.06% in tailing.Compared with traditional dry type pre-selection, the head grade for entering mill is improved
2.5%~3.0%, grinding machine treating capacity reduces 5~10%.
Embodiment 3
Using Fujian iron ore (major metal mineral is magnetic iron ores) for primary sample, the raw ore 10kg for being -50+0mm by granularity
As feed, Fe grade is 34.0%.Five groups of magnetic systems are respectively housed, Guide canel is 200 ° in two double smooth roll cylinders.Through the present invention
After roller pair breaking, magnetic product and non-magnetic product are obtained.
Magnetic product 8.38kg is obtained, grade reaches 39.78%, the rate of recovery 98.05%；Non magnetic product quality 1.62kg,
Throw tail rate 16.20%, iron loss rate 1.95% in tailing.Compared with traditional dry type pre-selection, the head grade for entering mill is improved
3.0%~3.5%, grinding machine treating capacity reduces 5~10%.
Above-listed preferred embodiment has been further described the purpose of this utility model, technical solution and advantage,
It should be understood that the above is only the preferred embodiment of the utility model only, it is not intended to limit the utility model, it is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical
Within novel protection scope.
Claims (5)
1. a kind of double smooth roll crushing plants with permanent magnet dry type pre-selection function, it is characterised in that: including what is be symmetrical set
Two double smooth roll cylinders form broken section between double smooth roll cylinders, are provided with non magnetic product slot immediately below broken section, non magnetic
It is symmetrically arranged with magnetic product slot at left and right sides of product slot, two magnetic product slots are located under double smooth roll cylinders ipsilateral with it
It is square, it is fixed with magnetic system in double smooth roll cylinders, the relatively double smooth roll cylinders of magnetic system are static, do not rotate with double smooth roll cylinders.
2. double smooth roll crushing plants according to claim 1 with permanent magnet dry type pre-selection function, it is characterised in that: it is described
Magnetic system is to be fixed on the intracorporal permanent magnetism level Four magnetic system of roller of double smooth roll cylinders, and the magnetism of magnetic pole is circumferentially alternately arranged, magnetic
It is wrap angle sigma between 40 °~200 °, magnetic system head end is located at the middle inside of double smooth roll cylinders, and magnetic system end is located at double smooth roll cylinders
Lower part, the inside of double smooth roll cylinders are that nearest side of double smooth roll cylinders distance apart from its side.
3. double smooth roll crushing plants according to claim 2 with permanent magnet dry type pre-selection function, it is characterised in that: it is each
1-5 group magnetic system is set along axis interval in double smooth roll cylinders.
4. double smooth roll crushing plants according to claim 2 with permanent magnet dry type pre-selection function, it is characterised in that: magnetic pole
Magnetism be to be alternately arranged in the pole N, S polar circle week.
5. double smooth roll crushing plants according to claim 1 with permanent magnet dry type pre-selection function, it is characterised in that: double light
Roller surface magnetic induction intensity is 100~1000mT.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820120683.8U CN208177514U (en) | 2018-01-24 | 2018-01-24 | Double smooth roll crushing plants with permanent magnet dry type pre-selection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820120683.8U CN208177514U (en) | 2018-01-24 | 2018-01-24 | Double smooth roll crushing plants with permanent magnet dry type pre-selection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208177514U true CN208177514U (en) | 2018-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820120683.8U Expired - Fee Related CN208177514U (en) | 2018-01-24 | 2018-01-24 | Double smooth roll crushing plants with permanent magnet dry type pre-selection function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109513476A (en) * | 2019-01-11 | 2019-03-26 | 中国地质科学院郑州矿产综合利用研究所 | Magnetic system, equipment and method for roll-type crushing and magnetic separation of magnetic minerals |
-
2018
- 2018-01-24 CN CN201820120683.8U patent/CN208177514U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109513476A (en) * | 2019-01-11 | 2019-03-26 | 中国地质科学院郑州矿产综合利用研究所 | Magnetic system, equipment and method for roll-type crushing and magnetic separation of magnetic minerals |
| CN109513476B (en) * | 2019-01-11 | 2023-09-08 | 中国地质科学院郑州矿产综合利用研究所 | Roller-type crushing magnetic separation magnetic system, device and method for magnetic minerals |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181204 Termination date: 20220124 |