CN103736597B - The method of feldspar or quartz mineral surface clean - Google Patents
The method of feldspar or quartz mineral surface clean Download PDFInfo
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- CN103736597B CN103736597B CN201310743101.3A CN201310743101A CN103736597B CN 103736597 B CN103736597 B CN 103736597B CN 201310743101 A CN201310743101 A CN 201310743101A CN 103736597 B CN103736597 B CN 103736597B
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Abstract
<b> the present invention relates to the technical field of mineral surfaces cleaning, it is a kind of method of feldspar or quartz mineral surface clean, the method of this feldspar or quartz mineral surface clean is carried out in the steps below: the first step, and feldspar or quartz concentrate water are deployed into the ore pulp that mass concentration is 10% to 50%; Second step, take </b><bGreatT.Gre aT.GTN-</b><bGre atT.GreaT.GT acyl group methyl amimoacetic acid to receive, the N-acyl group methyl amimoacetic acid taken is received and is mixed with cleaning fluid with water; 3rd step, joins cleaning fluid in ore pulp, stirs and carry out flotation cleaning in flotation device, and the rear iron mineral obtaining foam thing and flotation respectively and clear out clean in flotation, and the feldspar of product namely after cleaning or quartz concentrate in groove.The present invention significantly decreases feldspar or the loss late of quartz concentrate in iron mineral impurity product, and institute's with medicament that makes all energy natural degradations, environmental pollution is less, has environment friendly.</b>
Description
Technical field
the present invention relates to the technical field of mineral surfaces cleaning, is a kind of method of feldspar or quartz mineral surface clean.
Background technology
at present, the method removing feldspar and quartz concentrate surface iron mineral both at home and abroad has three kinds: iron mineral method is removed in flotation, iron mineral method is removed in magnetic separation and iron mineral method is removed in pickling.Iron mineral method is removed in flotation: method for floating removes feldspar or quartz concentrate surface iron mineral is common method.Because iron mineral is adsorbed on feldspar or quartz concentrate surface, in floatation process, collecting agent collecting on iron mineral surface, thus takes a large amount of feldspar or quartz concentrate out of, causes feldspar or quartz concentrate to enter froth pulp, is lost in iron mineral impurity.When domestic current employing method for floating removes feldspar or quartz concentrate surface iron mineral, feldspar or quartz concentrate loss late are up to about 20%.Iron mineral method is removed in magnetic separation: adopt high intensity magnetic separation removing feldspar or quartz concentrate surface iron mineral to be also common methods.Because iron mineral is adsorbed on feldspar or quartz concentrate surface, in high intensity magnetic separation process, feldspar or quartz concentrate can enter in iron mineral (impurity) in mechanical entrapment mode.When domestic current employing high intensity magnetic separation removes feldspar or quartz concentrate surface iron mineral, feldspar or quartz concentrate loss late are 15% to 30%.Iron mineral method is removed in pickling: adopt strong acid dissolution feldspar or quartz concentrate surface iron mineral to be also the common methods removing feldspar or quartz concentrate surface iron mineral at present.Be mixed with ore pulp by feldspar or quartz concentrate, add a large amount of acid, pH value is generally 1 to 2, stirring and dissolving feldspar or quartz concentrate surface iron mineral.Under the method feldspar and quartzy loss late lower, be generally about 1% to 3%, but, adding in acid dissolve feldspar or quartz concentrate surface iron mineral process, the corrosion-resistant containers such as stainless steel must be adopted, and waste liquid acidity after dissolving is very high, be generally about 2 at PH, the follow-up process to spent acid is easy to cause serious environmental pollution.
Summary of the invention
the invention provides a kind of method of feldspar or quartz mineral surface clean, overcome the deficiency of above-mentioned prior art, it effectively can solve the method removing at present feldspar and quartz concentrate surface iron mineral and there is feldspar or quartz concentrate loss late is high and follow-up spent acid process easily causes the problem of environmental pollution.
technical scheme of the present invention is realized by following measures: a kind of method of feldspar or quartz mineral surface clean, carries out in the steps below: the first step, and feldspar or quartz concentrate water are deployed into the ore pulp that mass concentration is 10% to 50%; Second step, adds 50g to 1000gN-sarcosinate by feldspar per ton or quartz concentrate and takes N-sarcosinate, the N-sarcosinate water taken is mixed with the cleaning fluid that mass concentration is 5% to 10%; 3rd step, cleaning fluid is joined in ore pulp, stir in flotation device and carried out flotation cleaning to 40 minutes in 5 minutes, the rear iron mineral obtaining foam thing and flotation respectively and clear out clean in flotation, and the feldspar of product namely after cleaning or quartz concentrate in groove.
here is the further optimization and/or improvements to foregoing invention technical scheme:
above-mentioned prepare ore pulp after, before second step, 100g to 1000g sodium carbonate weighing sodium carbonate is added by feldspar per ton or quartz concentrate, the sodium carbonate water taken is mixed with the aqueous sodium carbonate that mass concentration is 1% to 20%, aqueous sodium carbonate is joined in ore pulp, after being uniformly mixed, then add the cleaning fluid prepared wherein.
the above-mentioned mixing time joined by aqueous sodium carbonate in ore pulp is 2 minutes to 10 minutes.
stir speed (S.S.) during above-mentioned stirring is 800r/min to 2000r/min.
the present invention significantly decreases feldspar or the loss late of quartz concentrate in iron mineral impurity product, and institute's with medicament that makes all energy natural degradations, environmental pollution is less, has environment friendly.
Detailed description of the invention
the present invention by the restriction of following embodiment, can not determine concrete embodiment according to technical scheme of the present invention and actual conditions.Water in the present invention all refers to that in water, calcium ion and magnesium ion total amount are no more than the running water of 10mg/L.
below in conjunction with embodiment, the invention will be further described:
embodiment 1, the method for this feldspar or quartz mineral surface clean is carried out in the steps below: the first step, and feldspar or quartz concentrate water are deployed into the ore pulp that mass concentration is 10% to 50%; Second step, adds 50g to 1000gN-sarcosinate by feldspar per ton or quartz concentrate and takes N-sarcosinate, the N-sarcosinate water taken is mixed with the cleaning fluid that mass concentration is 5% to 10%; 3rd step, cleaning fluid is joined in ore pulp, stir in flotation device and carried out flotation cleaning to 40 minutes in 5 minutes, the rear iron mineral obtaining foam thing and flotation respectively and clear out clean in flotation, and the feldspar of product namely after cleaning or quartz concentrate in groove.N-sarcosinate is according to " Liaoning chemical industry " the 26th volume the 2nd phase, in March, 1997, and the preparation method mentioned in " preparation of N-sarcosinate, properties and application " that the people such as Xu Hujun, Lian Ying, Du Zhen deliver obtains.
embodiment 2, the method for this feldspar or quartz mineral surface clean is carried out in the steps below: the first step, and feldspar or quartz concentrate water are deployed into the ore pulp that mass concentration is 10% or 50%; Second step, adds 50g or 1000gN-sarcosinate by feldspar per ton or quartz concentrate and takes N-sarcosinate, the N-sarcosinate water taken is mixed with the cleaning fluid that mass concentration is 5% or 10%; 3rd step, cleaning fluid is joined in ore pulp, stir in flotation device and carry out flotation cleaning in 5 minutes or 40 minutes, the rear iron mineral obtaining foam thing and flotation respectively and clear out clean in flotation, and the feldspar of product namely after cleaning or quartz concentrate in groove.
embodiment 3, be with the difference of above-described embodiment, after preparing ore pulp, before second step, 100g to 1000g sodium carbonate weighing sodium carbonate is added by feldspar per ton or quartz concentrate, the sodium carbonate water taken is mixed with the aqueous sodium carbonate that mass concentration is 1% to 20%, aqueous sodium carbonate is joined in ore pulp, after being uniformly mixed, then add the cleaning fluid prepared wherein.
embodiment 4, preferred as embodiment 3, the mixing time joined by aqueous sodium carbonate in ore pulp is 2 minutes to 10 minutes.
embodiment 5, preferred as above-described embodiment, stir speed (S.S.) during stirring is 800r/min to 2000r/min.
three kinds of methods generally used of feldspar and quartz concentrate surface iron mineral will be removed at present both at home and abroad: iron mineral method is removed in flotation, iron mineral method is removed in magnetic separation and iron mineral method is removed in pickling and the inventive method contrasts, in contrast, Keketuohai Ore potassic feldspar concentrate and Keketuohai Ore quartz concentrate is selected to test, because when testing in mineral species flotation at home at present, usual choosing has Keketuohai Ore ore to carry out relevant comparative's test, therefore, select Keketuohai Ore potassic feldspar concentrate and Keketuohai Ore quartz concentrate not only to make four kinds of methods process the concentrate of same kind simultaneously, exclusive PCR little as far as possible, on the other hand, Keketuohai Ore potassic feldspar concentrate and Keketuohai Ore quartz concentrate is selected to test four kinds of methods, there is representative and convincingness preferably.
, Keketuohai Ore potassic feldspar concentrate result of the test
keketuohai Ore rare metal company potassic feldspar minal test grinding machine (milling medium is rod iron) is milled to-200 orders 85%, then above-mentioned four kinds of technique sides are adopted to carry out surperficial deironing, detect de-ferrous effect with wet high-intensity magnetic power analyzer (magnetic field intensity control 0.8T), result is as follows:
1.1, iron mineral method is removed in common flotation: iron tramp (froth pulp) productive rate 21.2% that floatation process produces, and the feldspar concentrate removed after iron mineral detects through wet high-intensity magnetic power analyzer, magnetic mineral productive rate 2.1%.
, high intensity magnetic separation removes iron mineral method: the iron tramp productive rate 31.3% that high intensity magnetic separation process (magnetic field intensity controls 0.8T) produces, and removes the feldspar concentrate after iron mineral through the detection of wet high-intensity magnetic power analyzer, magnetic mineral productive rate 1.9%.
, acid washing method: stir leaching time 48h, pH value maintains about 1.0, the iron tramp productive rate 1.5% of generation, removes the feldspar concentrate after iron mineral and detects through wet high-intensity magnetic power analyzer, magnetic mineral productive rate 2.1%.
, the inventive method: iron tramp (froth pulp) productive rate 2.9% that floatation process produces, remove the feldspar concentrate after iron mineral and detect through wet high-intensity magnetic power analyzer, magnetic mineral productive rate 1.8%.
as can be seen from above-mentioned result of the test relatively, although the inventive method iron tramp productive rate is lower, magnetic mineral productive rate is minimum, illustrates that the inventive method effectively can remove the irony impurity on feldspar concentrate surface, and its successful is better than other three methods.
, Keketuohai Ore quartz concentrate result of the test
keketuohai Ore rare metal company quartz minal test grinding machine (milling medium is rod iron) is milled to-200 orders 87%, then above-mentioned four kinds of processes are adopted to carry out surperficial deironing, detect de-ferrous effect with wet high-intensity magnetic power analyzer (magnetic field intensity control 0.8T), result is as follows:
2.1, iron mineral method is removed in common flotation: iron tramp (froth pulp) productive rate 25.8% that floatation process produces, and the quartz concentrate removed after iron mineral detects through wet high-intensity magnetic power analyzer, magnetic mineral productive rate 2.4%.
, high intensity magnetic separation removes iron mineral method: the iron tramp productive rate 28.6% that high intensity magnetic separation process (magnetic field intensity controls 0.8T) produces, and removes the quartz concentrate after iron mineral through the detection of wet high-intensity magnetic power analyzer, magnetic mineral productive rate 2.3%.
, acid washing method: stir leaching time 48h, pH value maintains about 1.0, the iron tramp productive rate 1.9% of generation, removes the quartz concentrate after iron mineral and detects through wet high-intensity magnetic power analyzer, magnetic mineral productive rate 2.4%.
, the inventive method: iron tramp (froth pulp) productive rate 3.1% that floatation process produces, remove the quartz concentrate after iron mineral and detect through wet high-intensity magnetic power analyzer, magnetic mineral productive rate 1.7%.
as can be seen from above-mentioned result of the test relatively, although the inventive method iron tramp productive rate is lower, magnetic mineral productive rate is minimum, illustrates that the inventive method effectively can remove the irony impurity on quartz concentrate surface, and its successful is better than other three methods.
above-mentioned test all illustrates, adopts the inventive method to remove quartz and feldspar surface iron mineral, effectively can remove the irony impurity on quartz concentrate surface, and it is low to have product loss rate in iron mineral impurity, the feature that environmental pollution is little.
the inventive method before flotation, adds saturated hydrocarbyl acyl group methyl amimoacetic acid to receive or unsaturated alkyl acyl group methyl amimoacetic acid is received; and carry out stirring and washing; iron mineral is made to depart from feldspar or quartz concentrate surface; in flotation iron mineral process; feldspar and quartz concentrate not easily enter froth pulp, significantly decrease feldspar or the loss late of quartz concentrate in iron mineral impurity product.The inventive method is adopted to carry out flotation iron mineral, feldspar or the loss late of quartz concentrate in impurity product (froth pulp) only have 1% to 4%, and the whole technique pulp PH value of the inventive method is about 8, and institute's with medicament that makes all energy natural degradations, environmental pollution is less, has environment friendly.
above technical characteristic constitutes most preferred embodiment of the present invention, and it has stronger adaptability and best implementation result, can increase and decrease non-essential technical characteristic according to actual needs, meet the demand of different situations.
Claims (4)
1. a method for feldspar or quartz mineral surface clean, is characterized in that carrying out in the steps below: the first step, feldspar or quartz concentrate water is deployed into the ore pulp that mass concentration is 10% to 50%; Second step, adds 50g to 1000gN-sarcosinate by feldspar per ton or quartz concentrate and takes N-sarcosinate, the N-sarcosinate water taken is mixed with the cleaning fluid that mass concentration is 5% to 10%; 3rd step, cleaning fluid is joined in ore pulp, stir in flotation device and carried out flotation cleaning to 40 minutes in 5 minutes, the rear iron mineral obtaining foam thing and flotation respectively and clear out clean in flotation, and the feldspar of product namely after cleaning or quartz concentrate in groove.
2. the method for feldspar according to claim 1 or quartz mineral surface clean, after it is characterized in that preparing ore pulp, before second step, 100g to 1000g sodium carbonate weighing sodium carbonate is added by feldspar per ton or quartz concentrate, the sodium carbonate water taken is mixed with the aqueous sodium carbonate that mass concentration is 1% to 20%, aqueous sodium carbonate is joined in ore pulp, after being uniformly mixed; Add the cleaning fluid prepared again wherein.
3. the method for feldspar according to claim 2 or quartz mineral surface clean, is characterized in that the mixing time joined by aqueous sodium carbonate in ore pulp is 2 minutes to 10 minutes.
4. the feldspar according to claim 1 or 2 or 3 or the method for quartz mineral surface clean, is characterized in that stir speed (S.S.) when stirring is 800r/min to 2000r/min.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102225407A (en) * | 2011-05-16 | 2011-10-26 | 蚌埠鑫源石英材料有限公司 | Method for cleaning quartz sands |
| CN102600982A (en) * | 2012-03-26 | 2012-07-25 | 武汉理工大学 | Fluoride-free low-acid zwitterion quartz sand reverse flotation process |
| CN102897993A (en) * | 2012-10-25 | 2013-01-30 | 中国地质大学（北京） | Method for preparing high-purity quartz sands by using natural vein quartz ores |
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| JPS54120614A (en) * | 1978-03-11 | 1979-09-19 | Toshiba Ceramics Co | Purification of silica glass raw powder |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102225407A (en) * | 2011-05-16 | 2011-10-26 | 蚌埠鑫源石英材料有限公司 | Method for cleaning quartz sands |
| CN102600982A (en) * | 2012-03-26 | 2012-07-25 | 武汉理工大学 | Fluoride-free low-acid zwitterion quartz sand reverse flotation process |
| CN102897993A (en) * | 2012-10-25 | 2013-01-30 | 中国地质大学（北京） | Method for preparing high-purity quartz sands by using natural vein quartz ores |
Non-Patent Citations (1)
| Title |
|---|
| 石英砂除铁方法的研究;李勇等;《安徽科技学院学报》;20080430;第22卷(第2期);35-38 * |
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