CN103464282A - Method for sorting iron ores by using magnetic plate - Google Patents
Method for sorting iron ores by using magnetic plate Download PDFInfo
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- CN103464282A CN103464282A CN 201310426245 CN201310426245A CN103464282A CN 103464282 A CN103464282 A CN 103464282A CN 201310426245 CN201310426245 CN 201310426245 CN 201310426245 A CN201310426245 A CN 201310426245A CN 103464282 A CN103464282 A CN 103464282A
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Abstract
The invention discloses a method for sorting iron ores by using a magnetic plate. The method is characterized in that magnets are fully placed on an iron-sheet plate so as to form a magnetic plate; mixed water containing iron powder flows through the magnetic plate, so that the iron powder can be absorbed by the magnetic plate; four magnetic plates are arranged, each magnetic plate is provided with a mechanical powder scraping plate, the iron powder enters a powder returning groove after being scraped down from the magnetic plates by the powder scraping plates, the iron powder in the powder returning groove enters the next magnetic plate after being added with clean water, and the iron powder scraped from the fourth magnetic plate is a finished iron powder product. The mechanical powder scraping plates do back-and-forth movement in a way that a motor drives a large eccentric wheel to push and pull. The iron ores are crushed and added with water for smashing, and magnetic sorting is carried out by equipment combing the magnetic plates and the mechanical powder scraping plates, so that the ore sorting rate reaches up to more than 60%.
Description
One, technical field
Mineral processing method of iron ores.
Two, background technology
Still there is no at present similar beneficiation method.The patent of invention that I apply for magnetic plate type magnetic selector on December 19th, 2012, application number is 201210553052.2, has applied for the utility model patent of identical content simultaneously, application number is 201220704199.2.In on 03 29th, 2013, applied for again using magnetic sheet to sort the method patent of invention of iron ore, application number is 201310133058.9.Because there is defect in claims of above-mentioned application documents, exceeded again the content of former specification after modification, therefore apply for this patent, to make up the deficiency of application documents last time.This patent application is the subsidiary patent application of patent application last time.This patent application and patent application last time do not coexist with, the motor-driven powder-wiping plate in this patent application has been modified as motor-driven powder-scraping device, the definition of magnetic sheet is revised simultaneously.
Three, summary of the invention
Use magnetic sheet to sort the method for iron ore, also can be described as the method that sorts iron ore with magnetic plate type magnetic selector.Described magnetic sheet, what have exactly certain magnetic force can be by the platy structure of iron powder adsorption.On an iron sheet plate or other supporter, company is one, puts magnetite a line Lian Yihang, and existing magnetic sheet, also can fill bar magnet on plate, and the face of plate is not necessarily smooth, between magnetite, also space can be arranged, and magnetic sheet can be also magnetic board and without magnetite.When the mixing water that contains iron powder flows through above magnetic sheet, iron powder will be adsorbed by magnetic sheet.After iron powder is adsorbed by magnetic sheet, motor-driven powder-scraping device scrapes iron powder, and the iron powder scraped enters back the powder groove, adds after clear water second magnetic sheet that enters position under first magnetic sheet.The iron powder scraped from second magnetic sheet enters the 3rd magnetic sheet after adding clear water, enters the 4th magnetic sheet after the 3rd iron powder that magnetic sheet scrapes adds clear water, from the 4th iron powder that magnetic sheet scrapes, is the finished product iron powder.
Using magnetic sheet to sort the method for iron ore, is exactly that after iron ore is pulverized, the equipment combined with motor-driven powder-scraping device with magnetic sheet carries out magnetic separation, and recovery rate in ore-dressing is reached more than 60%.If put the high-strength magnetite of monolithic that a lot of Surface field intensity surpasses 1400 Gausses on every magnetic sheet, the method for using so magnetic sheet to sort iron ore is the best equipment that sorts the micromagnetism iron ore.Described recovery rate in ore-dressing refers to the percentage of the quantity of metal in the quantity of the useful constituent in concentrate and raw ore.Described magnetic sheet is equipped with the high-strength magnetite of monolithic that Surface field intensity surpasses 1400 Gausses.
Present magnetic separation operation, be by after the first magnetic separator mostly, enters high-frequency screen, enter again the second magnetic separator, from the second magnetic separator, iron powder out is finished product, because general magnetic separator all can not be elected iron powder fully, so mostly will tail be installed in waste way, selects machine.Machine of magnetic plate type magnetic selector can replace traditional first magnetic separator, second magnetic separator, high-frequency screen, tail and select four machines of machine.And the iron powder that magnetic plate type magnetic selector is selected is of high grade, cost, not as good as a general magnetic separator, is economized on water nearly one times, economizes on electricity more than one times.Because the mixing water containing iron powder is to be close to magnetite to flow through, magnetic a little iron powder can be adsorbed by magnetic sheet, therefore magnetic plate type magnetic selector is particularly suitable for selecting the iron ore of micro-magnetic, magnetic plate type magnetic selector can avoid iron powder to run off effectively, mention the ore dressing rate the highest, thereby the saving mineral resources, improve the performance of enterprises.Magnetic plate type magnetic selector is drawn large junk for river course can not arrange sieve, and the iron sand of selecting can directly be sold as the finished product iron powder.
Magnetic plate type magnetic selector mainly is comprised of four magnetic sheets, four motor-driven powder-scraping devices, dynamical systems.As shown in Figure 1, 2.
(1) magnetic sheet: be exactly there is certain magnetic force can be by the platy structure of iron powder adsorption.On iron sheet plate or other supporter, company is one, puts magnetite, existing magnetic sheet a line Lian Yihang.Also space can be arranged between magnetite.Magnetic sheet can be also magnetic board and without magnetite.The mixing water that the front end of magnetic sheet had both contained iron powder flows into an end connection bypass channel, and mixing water can be flowed on magnetic sheet equably.Bypass channel also can be above magnetic sheet.The both sides of magnetic sheet respectively connect a sideboard identical with magnetic sheet length, and mixing water can not be flowed to both sides.The outside of sideboard has a plurality of small springs to be fixed on the spring seat, and the push jack on powder-wiping plate can be pushed open sideboard, and after powder-wiping plate leaves, small spring again can be the sideboard original position of slippaging.Below the sideboard on the both sides of magnetic sheet, be fixed with back the powder groove, when powder-wiping plate is pushed sideboard open, after iron powder flows into back the powder groove, clear water is just in the bypass channel returned before iron powder in the powder groove rushes at next magnetic sheet.Generally, the front end of magnetic sheet is high, and rear end is low, and mixing water can be flowed down smoothly, and key is that magnetic sheet is steeper, and the iron powder of selecting is cleaner.It can be parallel returning the powder groove, can be also that an end minimum at magnetic sheet is slightly high, makes back iron powder in the powder groove can flow to smoothly in the bypass channel of next magnetic sheet or flow directly on next piece magnetic sheet.In order to reduce the height of magnetic plate type magnetic selector, the bypass channel on every magnetic sheet both sides can be divided into two sections, and the iron powder in the bypass channel of magnetic sheet front end both sides flows into the front end of lower piece magnetic sheet, and the iron powder in the bypass channel of both sides, magnetic sheet rear end flows into the rear end of lower piece magnetic sheet.Seldom there is iron powder the magnetic sheet rear end, because most iron powder is all adsorbed by the front end of magnetic sheet.Four magnetic sheets are arranged above and below, and sieve is arranged with middle.Four magnetic sheets are can size identical, and also can following piece magnetic sheet slightly short, lower magnetic sheet slightly leans on rear arrangement than upper piece magnetic sheet.
(2) motor-driven powder-scraping device: the powder-scraping device that the machinery of take is power is exactly motor-driven powder-scraping device.Motor-driven powder-scraping device is one and take machinery as power, the device that can scrape off iron powder from magnetic sheet.Every magnetic sheet top arranges motor-driven powder-scraping device.Powder-scraping device can be made of corrosion resistant plate, in order to avoid adsorbed by magnetic sheet.Wide of motor-driven powder-scraping device pastes on magnetic sheet and stands vertically, also distance slightly.The face of powder-scraping device is parallel with the face of magnetic sheet both sides sideboard.Two faces of powder-scraping device respectively connect a plurality of square little push jacks.One end of the push-pull shaft of dynamical system is fixed on the one side of powder-wiping plate, drives motor-driven powder-scraping device side-to-side movement.Motor-driven powder-scraping device can be also palm brush, stainless steel brush etc.
(3) dynamical system: dynamical system comprises that motor or other power, reductor, large eccentricity wheel, push-pull arm, riser, transverse slat, push-pull shaft form.Connect the large eccentricity wheel on the output shaft of reductor, the diameter of large eccentricity wheel equates with the width of magnetic sheet.Push-pull arm is connected on the large eccentricity wheel actively.Riser vertically is connected to the other end of push-pull arm actively.The face of four transverse slats respectively with four sideboards face parallel, four transverse slats are connected to the correspondence position on riser.Every transverse slat connects the push-pull shaft more than two, and the other end of push-pull shaft connects powder-wiping plate.In order to reduce the floor space of magnetic plate type magnetic selector, riser, transverse slat and push-pull shaft can be located at the other end of magnetic sheet, and the push-pull arm that the large eccentricity wheel connects is by the riser on the following connection opposite of sieve.
Four, accompanying drawing explanation
Fig. 1 and Fig. 2 are the magnetic plate type magnetic selector basic block diagram, wherein 1, magnetic sheet 2, motor-driven powder-wiping plate 3, little push jack 4, sideboard 5, bypass channel 6, sideboard 7, return powder groove 8, transverse slat 9, riser 10, push-pull shaft 11, motor 12, reductor 13, large eccentricity wheel 14, push-pull arm 15, riser
Five, concrete implementation step
After broken and broken with pigment the micromagnetism iron ore, the equipment combined with motor-driven powder-wiping plate with magnetic sheet carries out magnetic separation.
Claims (4)
1. use magnetic sheet to sort the method for iron ore, it is characterized in that: described use magnetic sheet sorts the method for iron ore, is after iron ore is pulverized, and reinstates with water one equipment that magnetic sheet combines with motor-driven powder-scraping device and carries out magnetic separation.
2. use magnetic sheet to sort the method for iron ore, it is characterized in that: described use magnetic sheet sorts the method for iron ore, after iron ore is pulverized, reinstate with water one equipment that magnetic sheet combines with motor-driven powder-scraping device and carry out magnetic separation, described magnetic sheet is equipped with the high-strength magnetite of monolithic that Surface field intensity surpasses 1400 Gausses.
3. sort the method for iron ore according to claims 1 and 2 described use magnetic sheets, it is characterized in that: described motor-driven powder-scraping device is one and take machinery as power, the device that can scrape off iron powder from magnetic sheet.
4. sort the method for iron ore according to claims 1 and 2 described use magnetic sheets, it is characterized in that: described magnetic sheet be there is certain magnetic force can be by the platy structure of iron powder adsorption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310426245 CN103464282A (en) | 2013-09-18 | 2013-09-18 | Method for sorting iron ores by using magnetic plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201310426245 CN103464282A (en) | 2013-09-18 | 2013-09-18 | Method for sorting iron ores by using magnetic plate |
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| CN103464282A true CN103464282A (en) | 2013-12-25 |
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| CN 201310426245 Withdrawn CN103464282A (en) | 2013-09-18 | 2013-09-18 | Method for sorting iron ores by using magnetic plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103920586A (en) * | 2014-04-07 | 2014-07-16 | 马长生 | Method for sorting iron-containing matter through magnetic plate |
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2013
- 2013-09-18 CN CN 201310426245 patent/CN103464282A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103920586A (en) * | 2014-04-07 | 2014-07-16 | 马长生 | Method for sorting iron-containing matter through magnetic plate |
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Application publication date: 20131225 |