CN101767055A - Chromium selecting device for lateritic ore - Google Patents
Chromium selecting device for lateritic ore Download PDFInfo
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- CN101767055A CN101767055A CN200810246889A CN200810246889A CN101767055A CN 101767055 A CN101767055 A CN 101767055A CN 200810246889 A CN200810246889 A CN 200810246889A CN 200810246889 A CN200810246889 A CN 200810246889A CN 101767055 A CN101767055 A CN 101767055A
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Abstract
The invention relates to a chromium selecting device for a lateritic ore, which comprises a first-class hydraulic cyclone, a spiral chute, a table concentrator and a magnetic separator. The first-class hydraulic cyclone is provided with an inlet, a classified bottom flow outlet and a classified overflow outlet, the spiral chute is provided with an inlet, a heavy product outlet and a light product outlet, wherein the inlet of the spiral chute is connected with the classified bottom flow outlet of the first-class hydraulic cyclone, the table concentrator is provided with an inlet, a tossing rough concentrate outlet and a tossing light product outlet, wherein the inlet of the table concentrator is connected with the heavy product outlet of the spiral chute, the magnetic separator is provided with an inlet, a magnetic concentrate outlet and a magnetic middling outlet, wherein the inlet of the magnetic separator is connected with the tossing rough concentrate outlet of the table concentrator. Based on the chromium selecting device for the lateritic ore of the invention, the chrome iron ratio of the chrome iron ore can be increased to meet the commercial requirement, thereby saving the mineral material and having significant economic benefit. Moreover, the content of chromium in the ore pulp conveyed to the concentration shop is decreased, thereby improving the effect of chromium selecting.
Description
Technical field
The present invention relates to a kind of chromium selecting device, especially relate to a kind of chromium selecting device that is used for laterite.
Background technology
The form of laterite (being nickel laterite) mainly is based on soil property, after the laterite exploitation, need carry out ore dressing to it, to carry out follow-up smelting such as wet method acid immersion.The ore dressing of laterite generally includes washup, selects chromite (removing chromite) and concentrated.Select the purpose of chromite to be from selecting (removing) chromite through selecting the chromium process laterite ore pulp afterwards.
Tradition is selected three grades of hydrocyclones of chromite equipment choosing, three grades of spiral chutes, select the chromium process flow process to carry out classification for the ore pulp through washup technology at first enters the one-level hydrocyclone, classification underflow enters the one-level spiral chute and roughly selects, and the classification overflow is delivered to and concentrated the workshop and concentrate; Then, the heavy product of one-level spiral chute enters the tailings pond, and light product (isolating the ore pulp of heavy product) enters the secondary hydrocyclone, and the classification underflow of secondary hydrocyclone enters the deuterostrophies chute and scans, and the classification overflow is delivered to and concentrated the workshop and concentrate; The heavy product of deuterostrophies chute enters three grades of spiral chutes and carries out selected, the heavy product of three grades of spiral chutes enters the tailings pond with the heavy product of one-level spiral chute, the light product of deuterostrophies chute and triple helical chute enters the 3rd hydrocyclone, the classification overflow of the 3rd hydrocyclone is delivered to concentrated workshop and is concentrated, and classification underflow returns the triple helical chute.
Utilize the grade of the fine chrome mine that traditional chromium selecting device for lateritic ore selects lower, the requirement that ferrochrome does not reach commerical grade than (usually less than 1.8) can only be as smelting furnace material level raw material.In addition, spiral chute select the chromium concentration ratio low, delivering to behind the dechromisation concentrates in the ore pulp in workshop contains higher chromium (the content height of chrome green), therefore, selects the weak effect of chromium.
Summary of the invention
The present invention is intended to solve at least one of the above-mentioned problems in the prior art.
For this reason, of high grade, the ferrochrome that the objective of the invention is to propose a kind of chromite of selecting requires and selects the low chromium selecting device for lateritic ore of chromium content in the ore pulp behind the chromium than reaching commerical grade.
Chromium selecting device for lateritic ore according to the present invention comprises the one-level hydrocyclone, and described one-level hydrocyclone has import, classification underflow outlet and classification overflow outlet; Spiral chute, described spiral chute has import, heavy product outlet and light product outlet, wherein the import of spiral chute links to each other with the classification underflow outlet of one-level hydrocyclone; Shaking table, described shaking table has import, the light product outlet of outlet of tossing rough concentrate and tossing, the import of wherein said shaking table links to each other with the heavy product outlet of spiral chute; And magnetic separator, described magnetic separator has import, magnetic concentrate outlet and the outlet of magnetic separation chats, and the import of wherein said magnetic separator links to each other with the tossing rough concentrate outlet of shaking table.
In addition, also have following additional technical feature according to chromium selecting device for lateritic ore of the present invention:
Chromium selecting device for lateritic ore also comprises: the secondary hydrocyclone, described secondary hydrocyclone has import, classification underflow outlet and classification overflow outlet, wherein the import of secondary hydrocyclone links to each other with the light product outlet of the tossing of shaking table with the light product outlet of spiral chute respectively; And ball mill, described ball mill has import and outlet, and the import of wherein said ball mill links to each other with the classification underflow outlet of secondary hydrocyclone, and the outlet of described ball mill links to each other with the import of secondary hydrocyclone.
Ore particle granularity in the classification underflow of described one-level hydrocyclone is between 53 μ m-3mm.
Described magnetic separator is a drum magnetic separator.Described magnetic separator is a wet magnetic separator.
Described magnetic separator comprises that magnetic field intensity is the first weak magnetic separator of 95-115mT.
Described magnetic separator comprises that further magnetic field intensity is the second weak magnetic separator of 190-210mT, and the import of the wherein said second weak magnetic separator links to each other with the magnetic concentrate outlet of the first weak magnetic separator.
The magnetic field intensity of the described first weak magnetic separator is that the magnetic field intensity of the 105mT and the described second weak magnetic separator is 200mT.
Described magnetic separator comprises that also magnetic field intensity is the middle magnetic separator of 270-290mT, and the magnetic concentrate outlet of the import of wherein said middle magnetic separator and the second weak magnetic separator links to each other.
The magnetic field intensity of the described first weak magnetic separator is 105mT, and the magnetic field intensity of the described second weak magnetic separator is 200mT, and the magnetic field intensity of magnetic separator is 280mT in described.
Chromium selecting device for lateritic ore according to the embodiment of the invention has one of following advantage at least:
Chromium selecting device for lateritic ore according to the embodiment of the invention, adopt hydrocyclone, spiral chute, shaking table and magnetic separator, can select more chromite the laterite ore pulp after washup, and (the content height of chromium) of high grade of chromite, the ferrochrome ratio can reach the commerical grade requirement, makes chromite become salable chromite concentrate, the economic benefit height.
Chromium selecting device for lateritic ore according to the embodiment of the invention, spiral chute separates by the secondary hydrocyclone once more with the light product of tossing, the classification underflow of secondary hydrocyclone returns the secondary hydrocyclone after by the ball mill ore grinding, thereby constitute the closed circuit grinding system, can reduce to be transported to the granularity of the laterite in the ore pulp that concentrates the workshop.
According to the chromium selecting device for lateritic ore of the embodiment of the invention, magnetic separator is selected drum magnetic separator for use, can improve the production capacity of chromium selecting device for lateritic ore greatly.
According to the chromium selecting device for lateritic ore of the embodiment of the invention, by selecting weak magnetic separator for use, ferromagnetism iron mineral that can the iron content high-chromium is low is selected, and then, by the second weak magnetic separator is set, can further improve the ferrochrome ratio.
Chromium selecting device for lateritic ore according to the embodiment of the invention, by middle magnetic separator is set, can can further improve the ferrochrome ratio of the chromite of selecting to carrying out magnetic separation once more through the mineral aggregate of having selected the ferromagnetism iron mineral after the weak magnetic separator magnetic separation, for example the ferrochrome ratio can reach 2.55.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Fig. 1 is the formation schematic diagram according to the chromium selecting device for lateritic ore of the embodiment of the invention;
Fig. 2 is the formation schematic diagram of chromium selecting device for lateritic ore according to another embodiment of the present invention.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the present invention, and can not similarly is limitation of the present invention.
Below with reference to the chromium selecting device for lateritic ore of accompanying drawing description according to the embodiment of the invention.
As shown in Figure 1, chromium selecting device for lateritic ore according to the embodiment of the invention comprises having import, the one-level hydrocyclone 1 of classification underflow outlet and classification overflow outlet, has import, the spiral chute 2 of heavy product outlet and light product outlet, has import, the shaking table 3 of the light product outlet of outlet of tossing rough concentrate and tossing and magnetic separator 4 with import, magnetic concentrate outlet and the outlet of magnetic separation chats.
The import of spiral chute 2 links to each other with the classification underflow outlet of one-level hydrocyclone 1, in other words, the classification underflow of one-level hydrocyclone 1 (sand setting ore pulp) is transported in the spiral chute 2, and the classification overflow of one-level hydrocyclone 1 (overflow ore pulp) is transported to and concentrates the workshop and concentrate.For example, the ore particle granularity in the classification underflow of one-level hydrocyclone 1 between 53 μ m-3mm, and be transported to concentrate the workshop the overflow pulp granularity less than 53 μ m.For persons of ordinary skill in the art may appreciate that granularity through the ore particle in the laterite ore pulp after the washup is less than 3mm.
The heavy product outlet of the import of shaking table 3 and spiral chute 2 links to each other, that is to say that the heavy product that spiral chute 2 is discharged is transported in the shaking table 3, and to concentrate the workshop concentrated and the light product that spiral chute 2 is discharged is transported to.So-called heavy product is meant the bigger ore pulp of contained ore particle proportion, and light product is meant the less ore pulp of contained ore particle proportion, and this can understand easily for those of ordinary skill in the art, is not described in detail here.
The tossing rough concentrate outlet of the import of magnetic separator 4 and shaking table 3 links to each other, and promptly shaking table 3 isolated tossing rough concentrates (tossing weight product) are transported to magnetic separator 4 and carry out magnetic separation.And the light product that the tossing of shaking table 3 goes out is transported to and concentrates the workshop and concentrate.Magnetic separator 4 is selected drum magnetic separator for use, can improve disposal ability.In addition, magnetic separator 4 is selected wet magnetic separator for use, in processing procedure, does not need the mineral aggregate of magnetic separation is dried etc. thus.
Ferrochrome in the chromite concentrate that magnetic separator 4 is selected can reach the commerical grade requirement than high, and the ferrochrome that separates can be stacked as smelting furnace material level raw material than low chromite chats.
In the present invention, " import " and " outlet " should do the explanation of broad sense, and can not be interpreted as it must is concrete mouth, for example, the import of shaking table is as long as the path that can mineral aggregate joins on the shaking table can be called import, in like manner, as long as the path that mineral aggregate is discharged can be able to be called outlet.
In addition, in the present invention, term " links to each other " and also should make broad understanding, promptly comprises by the pipeline actual physics connecting, and comprises that also ore pulp flows to the path of another device from a device.For example, it can be that the import of spiral chute exports with the classification underflow of one-level hydrocyclone and links to each other by pipeline that the classification underflow outlet of the import of spiral chute and one-level hydrocyclone links to each other, the import that also can be spiral chute is positioned at below the classification underflow outlet of one-level hydrocyclone, the laterite ore pulp of discharging from the classification underflow outlet of one-level hydrocyclone can flow directly in the spiral chute, this shows that all the import of spiral chute links to each other with the classification underflow outlet of one-level hydrocyclone, must link to each other by actual pipeline and be not limited to.
Chromium selecting device for lateritic ore according to the embodiment of the invention, can select more chromite the laterite ore pulp after washup, and (the content height of chromium) of high grade of the chromite of selecting, the ferrochrome ratio can reach the commerical grade requirement, make chromite become salable chromite concentrate, the economic benefit height.
Operation according to chromium selecting device for lateritic ore embodiment illustrated in fig. 1 of the present invention is as follows:
The laterite ore pulp of handling through washup supplies to one-level hydrocyclone 1, the classification overflow of one-level hydrocyclone 1 (the ore particle granularity is less than 53 microns) is transported to concentrated workshop and concentrates, and the classification underflow of one-level hydrocyclone 1 (sand setting ore pulp) is transported to spiral chute 2, the light product of spiral chute 2 is transported to concentrated workshop and concentrates, and the heavy product of spiral chute 2 is transported to shaking table 3, the light product of shaking table 3 is transported to concentrated workshop and concentrates, and heavy product (rough concentrate) is transported to magnetic separator 4 and carries out magnetic separation, magnetic separator 4 is divided into ferrochrome chats and ferrochrome than high ferrochrome concentrate with the heavy product of shaking table 3, and the ferrochrome ratio of described ferrochrome concentrate can the commerical grade requirement.
Fig. 2 shows chromium selecting device for lateritic ore according to another embodiment of the present invention.As shown in Figure 2, chromium selecting device for lateritic ore is except comprising one-level hydrocyclone 1 embodiment illustrated in fig. 1, spiral chute 2, shaking table 3 and magnetic separator 4, also comprise having import, the secondary hydrocyclone 5 and ball mill 6 of classification underflow outlet and classification overflow outlet with import and outlet.
The import of secondary hydrocyclone 5 links to each other with the light product outlet of the tossing of shaking table 3 with the light product outlet of spiral chute 2 respectively.The import of ball mill 6 links to each other with the classification underflow outlet of secondary hydrocyclone 5, and the outlet of ball mill 6 links to each other with the import of secondary hydrocyclone 5.
Compare with embodiment illustrated in fig. 1, in embodiment illustrated in fig. 2, spiral chute 2 isolated light products and the light product of shaking table 3 isolated tossing are not to be delivered directly to concentrated workshop to concentrate, separate once more but be transported to secondary hydrocyclone 5, the classification overflow of secondary hydrocyclone 5 is transported to concentrated workshop and concentrates, and the classification underflow of secondary hydrocyclone 5 is transported to and carries out ore grinding in the ball mill 6, and the ore pulp behind the ore grinding is transported to secondary hydrocyclone 5 with spiral chute 2 isolated light products with the light product of shaking table 3 isolated tossing to be separated.Thereby secondary hydrocyclone 5 and ball mill 6 constitute the ball milling hydraulic cyclone separating circuit of sealing, have further reduced the ore particle granularity that is transported in the ore pulp that concentrates the workshop.
As shown in Figure 2, be provided with surge tank 7 between one-level hydrocyclone 1 and spiral chute 2, the classification underflow of one-level hydrocyclone 1 at first is transported in the surge tank 7 and sizes mixing, and then supplies in the spiral chute 2 from surge tank 7.
The light product of tossing of the light product of spiral chute 2 and shaking table 3 at first is transported near the pump pond 8 that is arranged on the spiral chute 2, be transported near the ball mill 6 the pump pond 12 by slag stock pump 9 then, the ore pulps in the pump pond 12 supply in the secondary hydrocyclone 5 by slag stock pump 13.As mentioned above, the classification overflow of secondary hydrocyclone 5 is transported to concentrated workshop and concentrates, and being transported to ball mill 6, classification underflow carries out ore grinding, ore pulp behind the ore grinding is discharged into pump pond 12, is delivered in the secondary hydrocyclone 5 by slag stock pump 13 with the light product of spiral chute 2 and the light product of tossing of shaking table 3.
In addition, the heavy product of shaking table 3 is discharged in the pump pond 10, is transported to by slag stock pump 11 then and carries out magnetic separation in the magnetic separator 3.
According to chromium selecting device for lateritic ore shown in Figure 2, constitute the closed circuit grinding loop by secondary hydrocyclone 5 and ball mill 6, can further reduce the granularity of the ore particle in the ore pulp, thereby be convenient to concentrate and follow-up hydrometallurgy (acidleach).
According to some embodiments of the present invention, described magnetic separator comprises that magnetic field intensity is that the first weak magnetic separator, the magnetic field intensity of 95-115mT is that the second weak magnetic separator and the magnetic field intensity of 190-210mT is the middle magnetic separator of 270-290mT.The import of the second weak magnetic separator links to each other with the magnetic concentrate outlet of the first weak magnetic separator, the magnetic concentrate outlet of the import of middle magnetic separator and the second weak magnetic separator links to each other, thereby, the tossing rough concentrate that comes from shaking table is at first selected the low ferromagnetism iron mineral of iron content high-chromium (part of ferrochrome chats) through the first weak magnetic separator, select ferromagnetism iron mineral ferrochrome concentrate afterwards and magneticly elect more ferromagnetic iron mineral (part of ferrochrome chats) through the second weak magnetic separator that magnetic field intensity increases again, thereby improved the ferrochrome ratio of ferrochrome concentrate, at last, through magnetic separator magnetic separation in the ferrochrome concentrate process after the second weak magnetic separator magnetic separation, thereby obtain ferrochrome than the ferrochrome concentrate that can further improve, and can reach commerical grade, sell.
More specifically, the magnetic field intensity of the first weak magnetic separator is 105mT, the magnetic field intensity of the second weak magnetic separator is 200mT, the magnetic field intensity of middle magnetic separator is 280mT, the ferrochrome ratio of the ferrochrome concentrate that magneticly elects thus can reach 2.5, than traditional chromium selecting device for lateritic ore, improved the ferrochrome ratio of ferrochrome concentrate greatly.
Below with reference to Fig. 2 the operation of chromium selecting device for lateritic ore is according to another embodiment of the present invention described.
The laterite ore pulp of handling through washup supplies to one-level hydrocyclone 1, the classification overflow of one-level hydrocyclone 1 (for example, the ore particle granularity is less than 53 microns) be transported to and concentrate the workshop and concentrate, and the classification underflow of one-level hydrocyclone 1 (sand setting ore pulp) is transported to surge tank 7, in surge tank 7, can size mixing to classification underflow, be transported to spiral chute 2 then, the light product of spiral chute 2 is transported to pump pond 8.And the heavy product of spiral chute 2 is transported to shaking table 3, the light product of shaking table 3 is transported to pump pond 8, and heavy product (rough concentrate) is transported in the pump pond 10, carry out magnetic separation being transported to magnetic separator 4 by slag stock pump 11, the first weak magnetic separator, the second weak magnetic separator and the middle magnetic separator order of magnetic separator 4 carried out magnetic separation to the heavy product of shaking table 3, thereby the heavy product of shaking table 3 is divided into ferrochrome chats and ferrochrome than high ferrochrome concentrate, and the ferrochrome ratio of described ferrochrome concentrate can reach the commerical grade requirement.The light product of tossing in the pump pond 8 and the light product of spiral chute 2 are transported in the pump pond 12 by slag stock pump 9, be transported in the secondary hydrocyclone 5 by slag stock pump 13 then, the classification overflow of secondary hydrocyclone 5 is transported to concentrated workshop and concentrates, classification underflow is transported to ball mill 6, through being transported to pump pond 12 behind the ball mill ball milling, secondary hydrocyclone 5 is delivered in circulation then.
Thus, can improve the ferrochrome ratio of chromite, reach the commodity requirement, have remarkable economic efficiency, and the content that is transported to chromium in the ore pulp that concentrates the workshop reduces, thereby select the effect of chromium to improve according to the chromium selecting device for lateritic ore of the embodiment of the invention.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited by claims and equivalent thereof.
Claims (10)
1. a chromium selecting device for lateritic ore is characterized in that, comprising:
The one-level hydrocyclone, described one-level hydrocyclone has import, classification underflow outlet and classification overflow outlet;
Spiral chute, described spiral chute has import, heavy product outlet and light product outlet, wherein the import of spiral chute links to each other with the classification underflow outlet of one-level hydrocyclone;
Shaking table, described shaking table has import, the light product outlet of outlet of tossing rough concentrate and tossing, the import of wherein said shaking table links to each other with the heavy product outlet of spiral chute; With
Magnetic separator, described magnetic separator have import, magnetic concentrate outlet and the outlet of magnetic separation chats, and the import of wherein said magnetic separator links to each other with the tossing rough concentrate outlet of shaking table.
2. chromium selecting device for lateritic ore according to claim 1 is characterized in that, also comprises:
The secondary hydrocyclone, described secondary hydrocyclone has import, classification underflow outlet and classification overflow outlet, wherein the import of secondary hydrocyclone links to each other with the light product outlet of the tossing of shaking table with the light product outlet of spiral chute respectively; With
Ball mill, described ball mill has import and outlet, and the import of wherein said ball mill links to each other with the classification underflow outlet of secondary hydrocyclone, and the outlet of described ball mill links to each other with the import of secondary hydrocyclone.
3. chromium selecting device for lateritic ore according to claim 1 is characterized in that, the ore particle granularity in the classification underflow of described one-level hydrocyclone is between 53 μ m-3mm.
4. chromium selecting device for lateritic ore according to claim 1 is characterized in that, described magnetic separator is a drum magnetic separator.
5. chromium selecting device for lateritic ore according to claim 1 is characterized in that, described magnetic separator is a wet magnetic separator.
6. according to each described chromium selecting device for lateritic ore among the claim 1-5, it is characterized in that described magnetic separator comprises that magnetic field intensity is the first weak magnetic separator of 95-115mT.
7. chromium selecting device for lateritic ore according to claim 6, it is characterized in that, described magnetic separator comprises that further magnetic field intensity is the second weak magnetic separator of 190-210mT, and the import of the wherein said second weak magnetic separator links to each other with the magnetic concentrate outlet of the first weak magnetic separator.
8. chromium selecting device for lateritic ore according to claim 7 is characterized in that, the magnetic field intensity of the described first weak magnetic separator is that the magnetic field intensity of the 105mT and the described second weak magnetic separator is 200mT.
9. chromium selecting device for lateritic ore according to claim 7 is characterized in that, described magnetic separator comprises that also magnetic field intensity is the middle magnetic separator of 270-290mT, and the magnetic concentrate outlet of the import of wherein said middle magnetic separator and the second weak magnetic separator links to each other.
10. chromium selecting device for lateritic ore according to claim 9 is characterized in that, the magnetic field intensity of the described first weak magnetic separator is 105mT, and the magnetic field intensity of the described second weak magnetic separator is 200mT, and the magnetic field intensity of magnetic separator is 280mT in described.
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| CN2008102468896A CN101767055B (en) | 2008-12-30 | 2008-12-30 | Chromium selecting device for lateritic ore |
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| CN2008102468896A CN101767055B (en) | 2008-12-30 | 2008-12-30 | Chromium selecting device for lateritic ore |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015123798A1 (en) * | 2014-02-19 | 2015-08-27 | 哈巴河金坝矿业有限公司 | Comprehensive recovery method for gold flotation tailings and device therefor |
| CN105080703A (en) * | 2015-09-14 | 2015-11-25 | 大连欣佳和矿业有限公司 | Casting-grade chrome ore dressing device and technology |
| CN110935557A (en) * | 2019-11-28 | 2020-03-31 | 荆门市格林美新材料有限公司 | Coarse and fine grading-gravity and magnetic combined chromium removal process for low-grade laterite-nickel ore |
| CN111389582A (en) * | 2020-03-26 | 2020-07-10 | 中国恩菲工程技术有限公司 | Method for separating chromite from laterite-nickel ore |
| CN111545341A (en) * | 2020-04-29 | 2020-08-18 | 广东邦普循环科技有限公司 | Process for removing chromium from laterite-nickel ore |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201366374Y (en) * | 2008-12-30 | 2009-12-23 | 中国恩菲工程技术有限公司 | Laterite chromium-separating facility |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3323900A (en) * | 1964-08-13 | 1967-06-06 | Fuji Iron & Steel Co Ltd | Process for treatment of iron oxide ores containing nickel, chromium and cobalt |
| CN1579947A (en) * | 2003-08-06 | 2005-02-16 | 民乐县化工厂 | Process for producing sodium chromate by calcium-free calcination |
| CN1844006A (en) * | 2006-03-30 | 2006-10-11 | 国电科技环保集团有限公司 | Apparatus for conducting stack gas desulfurization with limestone grout tank arranged in lower position and method thereof |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201366374Y (en) * | 2008-12-30 | 2009-12-23 | 中国恩菲工程技术有限公司 | Laterite chromium-separating facility |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015123798A1 (en) * | 2014-02-19 | 2015-08-27 | 哈巴河金坝矿业有限公司 | Comprehensive recovery method for gold flotation tailings and device therefor |
| CN105080703A (en) * | 2015-09-14 | 2015-11-25 | 大连欣佳和矿业有限公司 | Casting-grade chrome ore dressing device and technology |
| CN110935557A (en) * | 2019-11-28 | 2020-03-31 | 荆门市格林美新材料有限公司 | Coarse and fine grading-gravity and magnetic combined chromium removal process for low-grade laterite-nickel ore |
| CN110935557B (en) * | 2019-11-28 | 2022-01-18 | 荆门市格林美新材料有限公司 | Coarse and fine grading-gravity and magnetic combined chromium removal process for low-grade laterite-nickel ore |
| CN111389582A (en) * | 2020-03-26 | 2020-07-10 | 中国恩菲工程技术有限公司 | Method for separating chromite from laterite-nickel ore |
| CN111545341A (en) * | 2020-04-29 | 2020-08-18 | 广东邦普循环科技有限公司 | Process for removing chromium from laterite-nickel ore |
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| CN101767055B (en) | 2013-07-17 |
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