CN202078962U - Ore dressing device - Google Patents
Ore dressing device Download PDFInfo
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- CN202078962U CN202078962U CN2011201225343U CN201120122534U CN202078962U CN 202078962 U CN202078962 U CN 202078962U CN 2011201225343 U CN2011201225343 U CN 2011201225343U CN 201120122534 U CN201120122534 U CN 201120122534U CN 202078962 U CN202078962 U CN 202078962U
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- concentrate
- magnetic separation
- ore
- magnetic
- separating unit
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Abstract
The utility model discloses an ore dressing device which comprises a crusher used to crush the raw ore, an oscillating screen used to screen the crushed raw ore, a dry magnetic separation device used to carry out magnetic separation to the screened raw ore and a mixer used to mix the concentrate obtained through the dry magnetic separation device, the dry magnetic separation device comprises a concentrate magnetic separation part and a tailings magnetic separation part, the concentrate magnetic separation part comprises at least two levels of concentrate magnetic separation units, the tailings magnetic separation part comprises at least one level of tailings magnetic separation unit, the magnetic separation unit in the up stream delivers the concentrate chosen through the magnetic separation to the next concentrate magnetic separation unit, the tailings outlet of all levels of concentrate magnetic separation units is communicated with the inlet of the tailings magnetic separation part, the concentrate outlet of the concentrate magnetic separation part and the tail concentrate outlet of the tailings magnetic separation part are communicated with the ore inlet of the mixer respectively. The minerals obtained through the ore dressing device are high in grade and the ore dressing device has high mineral recovery rate.
Description
Technical field
The utility model relates to the processing technology field of mineral, relates in particular to a kind of to ore-dressing plant.
Background technology
In the mineral because the species complexity that comprises, so need sort.Ore dressing promptly is the different physicochemical properties according to mineral, adopts certain means with desired substance and other impurity separating process, and it comprises multiple means such as gravity treatment, flotation, magnetic separation, electric separation.In magnetic separation, often need use magnetic separator, magnetic separator is a kind of important preparation equipment, and magnetic iron ore, limonite, bloodstone, manganosiderite, ilmenite, wolframite, manganese ore, manganese carbonate ore, metallurgical manganese ore, manganese oxide ore, iron sand ore deposit, kaolin, Rare Earth Mine etc. can sort with magnetic separator.The magnetic separation process is in the magnetic field of magnetic separator, by magnetic force and mechanical force to the effect of ore particle and realize sorting.The ore particle of different magnetic is elected two or more independent dressing products along different orbiting motions as thereby divide.Magnetic separator is divided into wet magnetic separator and dry-type magnetic extractor.Owing in general product mining area or the mineral zone of piling up, often be the water-deficient area, so the preparation equipment of design that adopts wet magnetic separator is owing to the shortage water source is restricted; Even and in the area of abundant water, the mode of this wet separation also can cause the waste of great lot of water resources, this overall situation with present All Around The World water resource poorness is incompatible.The mine tailing that while this kind magnetic plant and technology obtain takies a large amount of arable lands or forest, causes the waste of land resource, and is unfavorable for environmental protection.
Wherein, the preparation equipment and the technology of the design of available technology adopting dry-type magnetic extractor, because structure and technical flow design is improper, the mineral products taste that obtains is lower, the rate of recovery is low, magnetisable material can not well be sorted out, the mine tailing that finally obtains is more, and one causes the waste, two of the energy to cause the waste in soil.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of ore-dressing plant, the raising ore dressing taste and the rate of recovery.
For solving the problems of the technologies described above, a kind of ore-dressing plant that the utility model provides, comprise the pulverizer that raw ore is pulverized, the vibratory sieve that raw ore through pulverizing is sieved, to the raw ore dry type magnetic separation device that carries out magnetic separation through screening, the mixer that the concentrate that obtains through the dry type magnetic separation device is mixed, described dry type magnetic separation device comprises concentrate magnetic separation portion, mine tailing magnetic separation portion, described concentrate magnetic separation portion comprises two-stage concentrate magnetic separating unit at least, described mine tailing magnetic separation portion comprises one-level mine tailing magnetic separating unit at least, the magnetic separating unit that is positioned at the upstream will be sent to next concentrate magnetic separating unit through the concentrate that magnetic separation obtains, the mine tailing outlet of concentrate magnetic separating units at different levels is communicated with the import of mine tailing magnetic separation portion, the concentrate outlet of concentrate magnetic separation portion, the tail concentrate outlet of mine tailing magnetic separation portion is communicated with the charging aperture of mixer respectively.
Preferably, described vibratory sieve is a linear vibrating screen.
Preferably, described vibratory sieve also is provided with a discharge gate, and described discharge gate is communicated with described pulverizer, will be returned to pulverizer greater than the mineral grain of predetermined particle diameter and pulverize once more.
Preferably, described concentrate magnetic separation portion comprises the first concentrate magnetic separating unit, the second concentrate magnetic separating unit that longitudinally sets gradually from top to bottom, the concentrate outlet of the described first concentrate magnetic separating unit is communicated with the import of the described second concentrate magnetic separating unit, and the concentrate outlet of the described second concentrate magnetic separating unit is communicated with the charging aperture of described mixer.
Preferably, described mixer is a mixing screw, comprises shell, is arranged on the charging aperture on the shell and is arranged on screw rod in the shell.
Preferably, described mine tailing magnetic separation portion is provided with the mine tailing outlet.
Preferably, described concentrate magnetic separating unit and mine tailing magnetic separating unit are permanent magnetic separator.
Preferably, also comprise a feeder, will be sent in the vibratory sieve through the raw ore particle that pulverizer is pulverized.
Compared with prior art, ore-dressing plant of the present utility model is provided with pulverizer, raw ore is pulverized, vibratory sieve is set, raw ore through pulverizing is sieved, the dry type magnetic separation device is set, raw ore through screening is carried out magnetic separation, mixer is set, the concentrate that obtains through the dry type magnetic separation device is mixed, wherein, because the dry type magnetic separation device comprises concentrate magnetic separation portion, mine tailing magnetic separation portion, concentrate magnetic separation portion comprises two-stage concentrate magnetic separating unit at least, and the concentrate that one-level concentrate magnetic separating unit is obtained carries out at least magnetic separation, and mine tailing magnetic separation portion comprises one-level mine tailing magnetic separating unit at least, the mine tailing that concentrate magnetic separation portion is obtained carries out further magnetic separation, therefore, through the mineral products that ore-dressing plant of the present utility model and ore-dressing technique make, taste is high, the utility model can improve the rate of recovery of whole ore dressing process, significantly reduce true tailings, save floor occupying area, help environmental protection.
Description of drawings
Fig. 1 is the structural representation of the utility model ore-dressing plant one preferred embodiment;
Fig. 2 is the beneficiation flowsheet figure that utilizes the ore-dressing plant among Fig. 1 to carry out;
Among the figure, the arrow direction is the flow direction of mineral;
Among the figure, relevant Reference numeral is as follows:
The 1-pulverizer; The 1a-charging aperture; The 1b-discharging opening; The 2-feeder; The 2a-charging aperture;
The 2b-discharging opening; The 3-vibratory sieve; 3a-first discharging opening; 3b-second discharging opening;
4-dry type magnetic separation device; The 41-first concentrate magnetic separating unit; The 41a-discharging opening;
The 42-second concentrate magnetic separating unit; 42a-first discharge gate; 42b-second discharge gate;
The 43a-charging aperture; 43b-first discharging opening; 43c-second discharging opening; The 5-mixer;
The 5a-charging aperture; The 5b-discharging opening.
The specific embodiment
For making the purpose of this utility model, technical scheme, effect clearer, below further specify by specific embodiment.
Referring to Fig. 1, ore-dressing plant in the present embodiment comprises pulverizer 1, feeder 2, vibratory sieve 3, dry type magnetic separation device 4, mixer 5, wherein, pulverizer is pulverized raw ore, feeder will be delivered to vibratory sieve 3 through the raw ore particle that pulverizer is pulverized, sieve by vibratory sieve 3, send into the charging aperture of dry type magnetic separation device, carry out magnetic separation by concentration equipment less than the raw ore particle of predetermined particle diameter.
Wherein, the dry type magnetic separation device comprises concentrate magnetic separation portion, mine tailing magnetic separation portion, and concentrate magnetic separation portion comprises the first concentrate magnetic separating unit 41 and the second concentrate magnetic separating unit 42, and described mine tailing magnetic separation portion comprises mine tailing magnetic separating unit 43.Wherein, the first concentrate magnetic separating unit 41 and the second concentrate magnetic separating unit 42 from top to bottom longitudinally distribute; Enter in the first concentrate magnetic separating unit 41 by the mineral grain after vibratory sieve 3 screenings less than predetermined particle diameter, 41 pairs of mineral grains of the first concentrate magnetic separating unit carry out magnetic separation, adjust the size in magnetic field according to the size of the magnetic of mineral and embedding cloth dynamics, the concentrate that magnetic separation obtains is delivered to the second concentrate magnetic separating unit 42 and is carried out further magnetic separation; The mine tailing that magnetic separation obtains is delivered to by discharging opening 41a and is carried out further magnetic separation in the mine tailing magnetic separating unit 43; The concentrate that 42 pairs first concentrate magnetic separating units 41 of the second concentrate magnetic separating unit are sent here carries out secondary magnetic separation, and the concentrate that obtains is sent in the mixer; The mine tailing that obtains is delivered to by the first discharging opening 42a and is carried out further magnetic separation in the mine tailing magnetic separating unit 43; The mine tailing magnetic separating unit carries out further magnetic separation to the mine tailing from the first concentrate magnetic separating unit and the second concentrate magnetic separating unit, will obtain the tail concentrate and be delivered in the mixer by the second discharging opening 43c and mix with other concentrate, obtains final concentrate product; The mine tailing that the final magnetic separation of mine tailing magnetic separating unit obtains is promptly by first discharging opening 43b discharge, stockyard.
In the present embodiment, used vibratory sieve 3 is a linear vibrating screen, linear vibrating screen adopts double oscillating electromotor to drive, when two vibrating motors are done the rotation of synchronous, anti-narrow-necked earthen jar, the exciting force that its eccentric block produced is cancelled out each other in the direction that is parallel to electrical axis, be stacked as one in direction and make a concerted effort, so the movement locus of screen(ing) machine is a straight line perpendicular to motor shaft.The relative compass screen surface of its two motor shaft has an inclination angle, and under the force action of gravity, material is thrown great-jump-forward moving linearly forward on compass screen surface at exciting force and material, thereby reach material is screened purpose with classification.Linear vibrating screen can be used for realizing in the streamline automated job.Have that energy consumption is low, efficient is high, simple in structure, easy-maintaining, full-closed structure do not have the characteristics that dust overflows and looses.
In the present embodiment, the concentrate magnetic separation portion of setting comprises two-stage concentrate magnetic separating unit, in other embodiments, according to actual conditions, more multistage concentrate magnetic separating unit can be set, as three grades, level Four, Pyatyi or the like are set; Mine tailing magnetic separation portion in the present embodiment is provided with one-level mine tailing magnetic separating unit, in other embodiments, according to actual conditions, more multistage mine tailing magnetic separating unit can be set.
The first concentrate magnetic separating unit in the present embodiment, the second concentrate magnetic separating unit, mine tailing magnetic separating unit are the dry type permanent magnetic separator.
Referring to Fig. 2, the practical work process of the ore-dressing plant in the present embodiment when carrying out ore dressing is as follows:
Get the outer raw ore 10kg that covers iron ore, screening 60 order all-pass mistakes are used twice of magnetic separator dry separation then after fragmentation.Then the mine tailing 1 that twice magnetic separation obtained carries out magnetic separation for the third time again, will mix with the concentrate 2 that magnetic separation for the third time obtains through the concentrate 1 that preceding twice magnetic separation obtains, and obtains the final concentrate product, mine tailing 2 stockyards that magnetic separation is for the third time obtained.
Below by the test the foregoing description is carried out compliance test result.
1, each point sampling and titration iron grade, parameter list is as follows.
| Used mineral | Test number | Weight/kg | Screening/order |
| Raw ore | 1 | 10 | 60 |
2, the test data record is referring to table 1
The outer iron ore magnetic separation result that covers of table 1
3, experimental data processing and analysis:
Table 2 concentrate, mine tailing be the result of calculation of every grade of selected mineral aggregate relatively
The result of calculation of the relative raw ore of the whole technology finished product of table 3
From table 2 data as can be known:
(1) magnetic separation after raw ore passes through 60 orders after broken abrasive dust is broken, twice magnetic separation of one-level, the secondary mine tailing is scanned, and obtains bulk concentrate grade 61.85%, the rate of recovery 98.16%, mine tailing iron grade about 3.4%;
(2) the weighting head grade 46.87% of one-level magnetic separation in the table 2, contrast titration raw ore 46.8% grade can illustrate that metal balance is better;
(3) weighting mine tailing 1 grade is 20.03% in the table 2, and contrast detects mine tailing 1 iron grade 19.56%, and metal balance is also good.
From table 3 data as can be known: whole flow process metal balance gets off, and weighting head grade 46.97% is approaching with the titration head grade, illustrates that metal balance is better.
Only be preferred implementation of the present utility model below, should be pointed out that above-mentioned preferred implementation should not be considered as restriction of the present utility model, protection domain of the present utility model should be as the criterion with claim institute restricted portion.For those skilled in the art, in not breaking away from spirit and scope of the present utility model, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (8)
1. ore-dressing plant, it is characterized in that, comprise the pulverizer that raw ore is pulverized, the vibratory sieve that raw ore through pulverizing is sieved, to the raw ore dry type magnetic separation device that carries out magnetic separation through screening, the mixer that the concentrate that obtains through the dry type magnetic separation device is mixed, described dry type magnetic separation device comprises concentrate magnetic separation portion, mine tailing magnetic separation portion, described concentrate magnetic separation portion comprises two-stage concentrate magnetic separating unit at least, described mine tailing magnetic separation portion comprises one-level mine tailing magnetic separating unit at least, the magnetic separating unit that is positioned at the upstream will be sent to next concentrate magnetic separating unit through the concentrate that magnetic separation obtains, the mine tailing outlet of concentrate magnetic separating units at different levels is communicated with the import of mine tailing magnetic separation portion, the concentrate outlet of concentrate magnetic separation portion, the tail concentrate outlet of mine tailing magnetic separation portion is communicated with the charging aperture of mixer respectively.
2. ore-dressing plant according to claim 1 is characterized in that, described vibratory sieve is a linear vibrating screen.
3. ore-dressing plant according to claim 2 is characterized in that described vibratory sieve also is provided with a discharge gate, and described discharge gate is communicated with described pulverizer, will be returned to pulverizer greater than the mineral grain of predetermined particle diameter and pulverize once more.
4. ore-dressing plant according to claim 1, it is characterized in that, described concentrate magnetic separation portion comprises the first concentrate magnetic separating unit, the second concentrate magnetic separating unit that longitudinally sets gradually from top to bottom, the concentrate outlet of the described first concentrate magnetic separating unit is communicated with the import of the described second concentrate magnetic separating unit, and the concentrate outlet of the described second concentrate magnetic separating unit is communicated with the charging aperture of described mixer.
5. ore-dressing plant according to claim 1 is characterized in that described mixer is a mixing screw, comprises shell, is arranged on the charging aperture on the shell and is arranged on screw rod in the shell.
6. ore-dressing plant according to claim 1 is characterized in that, described mine tailing magnetic separation portion is provided with the mine tailing outlet.
7. ore-dressing plant according to claim 1 is characterized in that, described concentrate magnetic separating unit and mine tailing magnetic separating unit are permanent magnetic separator.
8. ore-dressing plant according to claim 1 is characterized in that, also comprises a feeder, will be sent in the vibratory sieve through the raw ore particle that pulverizer is pulverized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201225343U CN202078962U (en) | 2011-04-22 | 2011-04-22 | Ore dressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201225343U CN202078962U (en) | 2011-04-22 | 2011-04-22 | Ore dressing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202078962U true CN202078962U (en) | 2011-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201225343U Expired - Lifetime CN202078962U (en) | 2011-04-22 | 2011-04-22 | Ore dressing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202078962U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102225364A (en) * | 2011-04-22 | 2011-10-26 | 李柏荣 | Ore-dressing device and ore-dressing process |
| CN106111323A (en) * | 2016-08-29 | 2016-11-16 | 上海交通大学 | For reclaiming the half of Magnaglo reverse-flow concentration equipment in ultra-fine mixed-powder |
-
2011
- 2011-04-22 CN CN2011201225343U patent/CN202078962U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102225364A (en) * | 2011-04-22 | 2011-10-26 | 李柏荣 | Ore-dressing device and ore-dressing process |
| CN102225364B (en) * | 2011-04-22 | 2014-05-28 | 千秋能源（上海）有限公司 | Ore-dressing device and ore-dressing process |
| CN106111323A (en) * | 2016-08-29 | 2016-11-16 | 上海交通大学 | For reclaiming the half of Magnaglo reverse-flow concentration equipment in ultra-fine mixed-powder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111221 Effective date of abandoning: 20140528 |
|
| RGAV | Abandon patent right to avoid regrant |