CN101045222A - Magnetic centrifugal concentrating machine - Google Patents
Magnetic centrifugal concentrating machine Download PDFInfo
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- CN101045222A CN101045222A CN 200710027824 CN200710027824A CN101045222A CN 101045222 A CN101045222 A CN 101045222A CN 200710027824 CN200710027824 CN 200710027824 CN 200710027824 A CN200710027824 A CN 200710027824A CN 101045222 A CN101045222 A CN 101045222A
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Abstract
A magnetic centrifugal ore-dressing machine is composed of machine frame, mainshaft on said machine frame, dressing cylinder installed coaxially on said mainshaft, magnetic semi-rings which are a magnetic yoke consisting of the magnetic blocks with alternatively arranged N and S poles and the armature, a flushing water tube in said dressing cylinder and with several radial high-pressure water nozzles for ore concentrate, and power and drive unit for driving the dressing cylinder to rotate at high speed.
Description
Technical field
The present invention relates to the novel device that a kind of magnetic mineral sorts.
Background technology
At present, magnetic mineral sorts weak, the middle magnetic separator of main employing permanent-magnet chamber type wet type.It mainly is by gravity, centrifugal force and flow force that magnetic field force overcomes ore magnetic mineral to be adsorbed, reach separating of magnetic mineral and gangue, this kind equipment decides the effect that sorts by the size of magnetic force fully, magnetic force is crossed by force then can produce the problem that is mingled with and unloads mine disaster, and the cost of manufacture of equipment also increases simultaneously.The magnetic force then rate of recovery on the weak side is low, so it is only more effective to sorting of the stronger ore of the magnetic of coarse grain.And it is just difficult for sorting of the middle weakly magnetic mineral of particulate.Centrifugal ore separator is by single action of centrifugal force heavy mineral to be separated with light mineral, reaches the purpose that sorts.But this kind equipment does not exist concentrate grade high and unload the problem of mine disaster, and difficulty is applied aborning.That is to say that two above-mentioned kind equipments all are to utilize single force that valuable mineral is carried out sorting.
Summary of the invention
The objective of the invention is existence at the problems referred to above, provide a kind of with magnetic force, centrifugal force and gravity effectively in conjunction with come acting in conjunction in the sorting of mineral and simple and reliable for structure, the efficiency of separation is high, the magnetic centrifugal concentrating machine of wide accommodation.
The objective of the invention is to be achieved through the following technical solutions:
A kind of magnetic centrifugal concentrating machine, be characterized in comprising frame, the main shaft tube, separation tube, half magnet ring, the concentrate wash tub pipe, power and transmission device thereof, wherein said main shaft tube support fixation is on frame, one end and mine feeding bucket are connected to form feed port, its other end is that concentrate goes out mine mouth, and its middle part is provided with a demarcation strip, being provided with one between described demarcation strip and the feed port can make mineral enter into iron ore feeding hole in the separation tube by the main shaft tube, described separation tube and main shaft tube coaxial device are in also rotating at a high speed around the main shaft tube under the drive of power and transmission device thereof on the frame, going out top position between the mine mouth at demarcation strip and concentrate in the described separation tube is provided with one and goes out the tubaeform concentrate feeder that mine mouth is communicated with concentrate, its below is provided with a mine tailing feeder, half magnet ring is by the N utmost point, the yoke that magnetic patch that the S utmost point is alternately arranged and yoke are formed, one end of concentrate wash tub pipe is connected with water inlet, its other end stretches in the separation tube, and the concentrate wash tub pipe that is positioned at separation tube is provided with some high pressure water spray nozzles radially.
Its course of work and principle are as follows:
The ore deposit oar that enters from main shaft tube feed port enters into separation tube by iron ore feeding hole, magnetic mineral is adsorbed on the inner surface of sorting cylindrical shell under the acting in conjunction of magnetic field force, gravity and centrifugal force, to simplified top and break away from magnetic field, under the effect of gravity and high-pressure washing water, be discharged into the concentrate feeder with the rotating band of cylindrical shell.Non magnetic ore then directly flows into tail-box by the interior table bottom of cylindrical shell with current, reaches the purpose of sorting.Wherein, in assorting room, magnetic mineral is further got rid of the impurity of carrying secretly under the effect of alternating magnetic field and auxiliary wash tub pipe, improves the grade of concentrate.
The present invention is owing to adopt rotating separation tube and half magnet ring structure combining, dexterously magnetic force, centrifugal force, gravity all are converted into effective force and come the sorting of acting in conjunction in mineral, not only improved the efficiency of separation but also guarantee its wide accommodation, itself and traditional permanent-magnet drum type magnetic separator and centrifugal ore separator contrast have following advantage: 1, when same magnetic field, can sort the different mineral of magnetic by the size that changes centrifugal force, strengthen the adaptability of equipment, remedied the deficiency that permanent-magnet drum type magnetic separator corresponding magnetic field can only sort the respective magnetic mineral.2, because the sorting of ore is the acting in conjunction of magnetic force and centrifugal force, when magnetic mineral when breaking away from magnetic field because gravity and wash waterpower and be removed greater than centrifugal force, reach the purpose of unloading the ore deposit continuously, remedied the defective that traditional centrifugal ore separator is difficult to unload continuously the ore deposit.3, the magnetic field of magnetic centrifugal concentrating machine is adjustable, and centrifugal force is adjustable, has further strengthened the flexibility and the adaptability of equipment.And it is simple and compact for structure reliable.
Describe realization of the present invention in detail below in conjunction with accompanying drawing:
Description of drawings
Fig. 1 is a perspective view of the present invention;
Fig. 2 is vertical sectional structure schematic diagram of the present invention;
Fig. 3 is a left TV structure schematic diagram of the present invention;
Fig. 4 is the magnetic architecture sketch of half magnet ring of the present invention;
Fig. 5 is the force analysis sketch of ore of the present invention in the sorting process.
The specific embodiment
As Fig. 1～shown in Figure 4, a kind of magnetic centrifugal concentrating machine of the present invention, be characterized in comprising frame 1, main shaft tube 2, separation tube 3, half magnet ring 4, concentrate wash tub pipe 5, power and transmission device 6 thereof, wherein said main shaft tube 2 support fixation are on frame 1, one end and mine feeding bucket are connected to form feed port 21, its other end is that concentrate goes out mine mouth 22, and its middle part is provided with a demarcation strip 23, being provided with one between described demarcation strip 23 and the feed port 21 can make mineral enter into iron ore feeding hole 24 in the separation tube 3 by main shaft tube 2, described separation tube 3 and main shaft tube 2 coaxial devices are in also rotating at a high speed around main shaft tube 2 under the drive of power and transmission device 6 thereof on the frame 1, described power and transmission device thereof mainly comprise motor and train of reduction gears, motor both can adopt common electric machine also can adopt variable-frequency motor, because centrifugal force is mainly produced by the separation tube that rotates, therefore the speed reducing ratio of frequency by regulating motor and the train of reduction gears rotating speed that can change separation tube produces different centrifugal force, sorting with the ore that adapts to different magnetic further improves its accommodation and the efficiency of separation.Going out top position between the mine mouth 22 at demarcation strip 23 and concentrate in the described separation tube 3 is provided with one and goes out the tubaeform concentrate feeder 7 that mine mouth 22 is communicated with concentrate, its below is provided with a mine tailing feeder 8, as shown in Figure 4, half magnet ring 4 is to replace the magnetic patch of arrangement and the yoke that yoke is formed by the N utmost point, the S utmost point, wherein magnetic patch adopts the Nd-Fe-B magnetic material, it produces magnetic force radially, thereby by regulating the adjustable gaps joint magnetic force size of separation tube 3 and half magnet ring 4, sorting with the ore that adapts to different magnetic further improves its accommodation and the efficiency of separation.One end of concentrate wash tub pipe 5 is connected with water inlet, and its other end stretches in the separation tube 3, and the concentrate wash tub pipe 5 that is positioned at separation tube 3 is provided with some high pressure water spray nozzles radially.The end that wherein above-mentioned separation tube 3 is connected with power and transmission device 6 thereof is supported on the frame 1 by bearing fixing, and its other end is supported by carrying roller 9 and is positioned on the frame 1.For further the impurity of carrying secretly being got rid of, improve the grade of concentrate, the position in the above-mentioned separation tube 3 between concentrate feeder 7 and mine tailing feeder 8 is provided with an auxiliary wash tub pipe 51.Operation principle of the present invention and process are as follows, the force analysis of mineral as shown in Figure 5 shows, mineral are subjected to the effect of magnetic force, gravity, centrifugal force, flow force in the process of sorting, be subjected to the acting in conjunction of magnetic gravitation centrifugal force at valuable mineral with valuable mineral before gangue separates and be adjacent to the inwall of separation tube, reach the purpose of separation with the rotation of separation tube.In the process of sorting, the effect of gravity constantly changes, and helps carrying secretly the disengaging of gangue, has improved the efficiency of separation.And the effective force of magnetic mineral in assorting room in traditional ore deposit magnetic machine has only magnetic force, and gravity and centrifugal force is reaction force, has only when magnetic force during greater than gravity, centrifugal force and flow force, and magnetic mineral just can be adsorbed and reach the separation purpose.
Claims (3)
1, a kind of magnetic centrifugal concentrating machine, it is characterized in that comprising frame (1), main shaft tube (2), separation tube (3), half magnet ring (4), concentrate wash tub pipe (5), power and transmission device thereof (6), wherein said main shaft tube (2) support fixation is on frame (1), one end and mine feeding bucket are connected to form feed port (21), its other end goes out mine mouth (22) for the concentrate concentrate, and its middle part is provided with a demarcation strip (23), being provided with one between described demarcation strip (23) and the feed port (21) can make mineral enter into the interior iron ore feeding hole (24) of separation tube (3) by main shaft tube (2), described separation tube (3) is gone up in frame (1) with main shaft tube (2) coaxial device also can be around main shaft tube (2) rotation at a high speed under the drive of power and transmission device (6) thereof, being positioned at demarcation strip (23) and concentrate in the described separation tube (3) goes out top position between the mine mouth (22) and is provided with one and goes out the tubaeform concentrate feeder (7) that mine mouth (22) is communicated with concentrate, its below is provided with a mine tailing feeder (8), half magnet ring (4) is by the N utmost point, the yoke that magnetic patch that the S utmost point is alternately arranged and yoke are formed, one end of concentrate wash tub pipe (5) is connected with water inlet, its other end stretches in the separation tube (3), and the concentrate wash tub pipe (5) that is positioned at separation tube (3) is provided with some high pressure water spray nozzles radially.
2, magnetic centrifugal concentrating machine according to claim 1, it is characterized in that the end that above-mentioned separation tube (3) is connected with power and transmission device (6) thereof is supported on the frame (1) by bearing fixing, its other end is supported by carrying roller (9) and is positioned on the frame (1).
3, magnetic centrifugal concentrating machine according to claim 1, the position that it is characterized in that being positioned in the above-mentioned separation tube (3) between concentrate feeder (7) and the mine tailing feeder (8) is provided with an auxiliary wash tub pipe (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100278248A CN100528369C (en) | 2007-04-29 | 2007-04-29 | Magnetic centrifugal concentrating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100278248A CN100528369C (en) | 2007-04-29 | 2007-04-29 | Magnetic centrifugal concentrating machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101045222A true CN101045222A (en) | 2007-10-03 |
| CN100528369C CN100528369C (en) | 2009-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100278248A Expired - Fee Related CN100528369C (en) | 2007-04-29 | 2007-04-29 | Magnetic centrifugal concentrating machine |
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| Country | Link |
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| CN (1) | CN100528369C (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102198423A (en) * | 2011-03-08 | 2011-09-28 | 卞直旭 | Gravitational separation method with composite field forces |
| CN104941797A (en) * | 2015-05-28 | 2015-09-30 | 张宝祥 | Mineral sorting method |
| CN105312149A (en) * | 2015-05-28 | 2016-02-10 | 张宝祥 | Mineral separator |
| WO2016187861A1 (en) * | 2015-05-28 | 2016-12-01 | 张宝祥 | Separation barrel for mineral separation |
| CN107537684A (en) * | 2017-09-14 | 2018-01-05 | 中南大学 | A kind of sorting unit |
| CN111389585A (en) * | 2020-04-27 | 2020-07-10 | 厦门环资矿业科技股份有限公司 | External magnetic type magnetic separator used for fine-grained separation difficult to select ore |
| CN115254413A (en) * | 2022-07-29 | 2022-11-01 | 鹤庆北衙矿业有限公司 | Permanent magnet drum type fine particle magnetic separator |
-
2007
- 2007-04-29 CN CNB2007100278248A patent/CN100528369C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102198423A (en) * | 2011-03-08 | 2011-09-28 | 卞直旭 | Gravitational separation method with composite field forces |
| CN104941797A (en) * | 2015-05-28 | 2015-09-30 | 张宝祥 | Mineral sorting method |
| CN105312149A (en) * | 2015-05-28 | 2016-02-10 | 张宝祥 | Mineral separator |
| CN104941797B (en) * | 2015-05-28 | 2016-06-01 | 张宝祥 | A kind of mineral dressing method |
| WO2016187861A1 (en) * | 2015-05-28 | 2016-12-01 | 张宝祥 | Separation barrel for mineral separation |
| CN107537684A (en) * | 2017-09-14 | 2018-01-05 | 中南大学 | A kind of sorting unit |
| CN111389585A (en) * | 2020-04-27 | 2020-07-10 | 厦门环资矿业科技股份有限公司 | External magnetic type magnetic separator used for fine-grained separation difficult to select ore |
| CN115254413A (en) * | 2022-07-29 | 2022-11-01 | 鹤庆北衙矿业有限公司 | Permanent magnet drum type fine particle magnetic separator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100528369C (en) | 2009-08-19 |
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Granted publication date: 20090819 Termination date: 20130429 |