CN207266885U - A kind of spiral chute with wedge type magnetic system - Google Patents
A kind of spiral chute with wedge type magnetic system Download PDFInfo
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- CN207266885U CN207266885U CN201721039123.1U CN201721039123U CN207266885U CN 207266885 U CN207266885 U CN 207266885U CN 201721039123 U CN201721039123 U CN 201721039123U CN 207266885 U CN207266885 U CN 207266885U
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- magnetic
- spiral chute
- magnetic system
- wedge type
- ore
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Abstract
Kind of the spiral chute with wedge type magnetic system, including mine feeding bucket are the utility model is related to, the spiral chute being connected with mine feeding bucket, be arranged on spiral chute lower part connects the flat of ore, it is characterised in that：It is every circle spiral chute bottom be correspondingly provided with one group it is wide outside and narrow inside be in wedge type magnetic system, and along ore pulp flowing direction downwards, slope inwardly setting.The utility model has the advantages that：Due to the utility model it is every circle spiral chute bottom be correspondingly provided with one group of magnetic system wide outside and narrow inside in taper structure.Make the guiding movement caused by the magnetic force that magnetic-particle in ore pulp applies it along the magnetic field that magnetic system produces, improve the efficiency of separation, magnetic ore particle is increased to spiral chute center stressed, effectively increase the ability of spiral chute sorting microfine magnetic mineral, reduce the loss of fine-particle minerals, improve the rate of recovery of magnetic mineral.
Description
Technical field
It the utility model is related to preparation equipment technical field, and in particular to a kind of spiral chute with wedge type magnetic system.
Background technology
Screw slide groove separation machine is the gravity separation equipment of common sorting mined material, and when sorting mined material, ore pulp is along spiral shell
The downward eddy flow of chute is revolved, the mineral in ore pulp are subject to gravity, frictional force, centrifugal force and flow dynamic at the same time in spiral chute
Effect, makes mineral be sorted by proportion and granularity.Layering is produced when ore pulp flows in chute, the big ore particle of density concentrates on
Lower floor, is moved forward with relatively low speed along slot bottom, is then discharged out outside groove or is deposited on slot bottom to form concentrate, the small ore deposit of density
Material concentrates on upper strata, and bigger speed is taken away by current, becomes tailing.
But fine-particle minerals are had a great influence by liquid stream, part fine-particle minerals cannot enter lower floor, but with upper water
Stream movement, is finally brought into tailing.Thus, the ability of spiral chute sorting fine-particle minerals is poor.Microfine is recycled to improve
Sorting mineral performance, for magnetic mineral, improves the rate of recovery, both in spiral shell in the design of some spiral chutes using make use of magnetic field
Bottom surface or the side loaded magnetic system of chute are revolved, there is magnetic material in the magnetic field which produces magnetic attachment and magnetic coagulation effect, when
Ore pulp containing magnetic material along spiral chute flow downward when, magnetic particle remove by gravity, frictional force, centrifugal force and flow dynamic
Effect outside, also acted on be subject to magnetic force.Magnetic fine-particle minerals produce magnetic coagulation in magnetic field, increase magnetic microfine
Apparent size, gravity increase；Magnetic particle is drawn to slot bottom by the magneticaction for being directed toward chute bottom, makes magnetic particle with flow of slurry
Kinetic force reduces, and reduces the effect for being subject to larger centrifugal force and flow dynamic and moves into tailing loss to chute outside
The probability fallen, such as CN200520050885.2- magnetic force screw slide groove separation machine patents.
But the magnetic system among the prior art, although the rate of recovery of microfine magnetic mineral can be improved, its magnetic system can only be to micro-
Particulate magnetic mineral plays the role of magnetic attachment and magnetic coagulation, and the work of guiding can't be played to the movement of microfine magnetic mineral
With.
The content of the invention
The purpose of this utility model is to provide a kind of magnetic-particle made in ore pulp and it is applied along the magnetic field that magnetic system produces
The guiding movement caused by magnetic force added, improves the efficiency of separation, improves the spiral chute with wedge type magnetic system of the rate of recovery.
The purpose of this utility model is achieved through the following technical solutions：
A kind of spiral chute of the band of the utility model with wedge type magnetic system, including mine feeding bucket, what is be connected with mine feeding bucket is spiral
Chute, be arranged on spiral chute lower part connects the flat of ore, it is characterised in that：It is correspondingly provided with the bottom of every circle spiral chute outside one group
Narrow in width is in wedge type magnetic system, and the direction flowed along ore pulp is downward, sloping inwardly is set.
The magnetic field intensity wide outside and narrow inside in wedge type magnetic system is 150 oersteds.
The utility model has the advantages that：
Due to the utility model it is every circle spiral chute bottom be correspondingly provided with one group it is wide outside and narrow inside be in wedge type magnetic system.
Make the guiding movement caused by the magnetic force that magnetic-particle in ore pulp applies it along the magnetic field that magnetic system produces, carry
The high efficiency of separation, increases magnetic ore particle to spiral chute center stressed, effectively increases spiral chute sorting microfine magnetic
The ability of property mineral, reduces the loss of fine-particle minerals, improves the rate of recovery of magnetic mineral.
Brief description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 sets the structure chart wide outside and narrow inside in wedge type magnetic system for single turn helix chute bottom.
Embodiment
As depicted in figs. 1 and 2, a kind of spiral chute with wedge type magnetic system of the utility model, including mine feeding bucket 1, with to
The spiral chute 2 that ore bucket 1 connects, be arranged on 2 lower part of spiral chute connects the flat of ore 3, it is characterised in that：In every circle spiral chute 2
Bottom be correspondingly provided with one group it is wide outside and narrow inside be in wedge type magnetic system 4, and along ore pulp flowing direction downwards, slope inwardly set.
The magnetic field intensity wide outside and narrow inside in wedge type magnetic system 4 is 150 oersteds.
When sorting magnetic mineral using the utility model, fine-particle minerals, it is magnetic weaker, easier by current band
To the outside of chute, due to the utility model be correspondingly provided with the bottom of every circle spiral chute 2 one group it is wide outside and narrow inside be in wedge type magnetic
It is 4, i.e., this wedge type magnetic system one end is wide, and one end is narrow, and wide end is located at the outer end of chute 2, and narrow end is located at the inner side of chute 2, along ore deposit
Starch flowing direction downwards, slope inwardly, formed one carry guidance quality magnetic field.In view of the bulky grain ore deposit of the inner side of chute 2
Thing is not required complementary field to improve separating effect, and magnetic system narrow end is mounted only to the middle part of chute, the magnetic field in chute by
Gradually weaken outside to inside, in this way, can not only make the fine-particle minerals on the outside of chute there is enough magnetic force to produce magnetic coagulation, but also to the greatest extent
Amount reduces the influence to the bulky grain magnetic mineral of inner side, also saves magnetic material and processing charges.The side of arrow meaning in figure
To the direction flowed for ore pulp.
When outside fine-particle minerals flow through magnetic system, magnetic field makes fine-particle minerals produce magnetic coagulation and downward magnetic force, with
When current flow downward, the inner side of chute is pulled in by intilted directing magnetic field, into concentrate area, so as to improve fine
The rate of recovery of grain mineral.
Claims (2)
1. a kind of spiral chute with wedge type magnetic system, including mine feeding bucket, the spiral chute being connected with mine feeding bucket, is arranged on spiral slip
Groove lower part connects the flat of ore, it is characterised in that：It is every circle spiral chute bottom be correspondingly provided with one group it is wide outside and narrow inside be in wedge type magnetic system,
And along ore pulp flowing direction downwards, slope inwardly set.
2. the spiral chute according to claim 1 with wedge type magnetic system, it is characterised in that：It is described it is wide outside and narrow inside be in wedge type
The magnetic field intensity of magnetic system is 150 oersteds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721039123.1U CN207266885U (en) | 2017-08-18 | 2017-08-18 | A kind of spiral chute with wedge type magnetic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721039123.1U CN207266885U (en) | 2017-08-18 | 2017-08-18 | A kind of spiral chute with wedge type magnetic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207266885U true CN207266885U (en) | 2018-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721039123.1U Active CN207266885U (en) | 2017-08-18 | 2017-08-18 | A kind of spiral chute with wedge type magnetic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207266885U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110252506A (en) * | 2019-07-03 | 2019-09-20 | 中国恩菲工程技术有限公司 | Sorting mineral equipment based on resultant field |
| CN110871138A (en) * | 2019-12-11 | 2020-03-10 | 成都市宏智达科技有限公司 | A choice device for fine grain weak magnetism magnetic mineral |
-
2017
- 2017-08-18 CN CN201721039123.1U patent/CN207266885U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110252506A (en) * | 2019-07-03 | 2019-09-20 | 中国恩菲工程技术有限公司 | Sorting mineral equipment based on resultant field |
| CN110252506B (en) * | 2019-07-03 | 2024-01-26 | 中国恩菲工程技术有限公司 | Mineral separation equipment based on composite magnetic field |
| CN110871138A (en) * | 2019-12-11 | 2020-03-10 | 成都市宏智达科技有限公司 | A choice device for fine grain weak magnetism magnetic mineral |
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