CN103318900B - Process for producing albite - Google Patents
Process for producing albite Download PDFInfo
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- CN103318900B CN103318900B CN201310219630.3A CN201310219630A CN103318900B CN 103318900 B CN103318900 B CN 103318900B CN 201310219630 A CN201310219630 A CN 201310219630A CN 103318900 B CN103318900 B CN 103318900B
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Abstract
The invention discloses a process for producing albite. The process comprises steps of: preparing materials according to weight percentages of raw materials, wherein the raw materials comprises, by weight, 55% of albite and 45% of potash feldspar; milling the prepared raw materials, wherein grain sizes of powder are controlled as follow: powder particles with grain sizes less than 4 microns are present in an amount of less than 10 wt.%, based on the total weight of powder particles, powder particles with grain sizes greater than 22 microns are present in an amount of greater than 50 wt.%, based on the total weight of the powder particles, and powder particles with grain sizes less than 75 microns are present in an amount of greater than 97 wt.%, based on the total weight of the powder particles; removing impurities and mixing slurry by adopting a flocculating agent, wherein the mass concentration of the slurry is in a range from 34.5% to 35.5 %; and filter pressing and dehydrating the slurry to obtain albite powder with a water content less than 15% at last. By selecting the raw material formula, the particle sizes of raw materials and the flocculating agent, and controlling the concentration of the slurry, the process for producing albite provided by the invention can prepare an albite product with a water content less than 15% after filter pressing and dehydrating, and cost of production is reduced by 210 yuan/ton.
Description
Technical field
The present invention relates to beneficiation method, particularly relate to the production method that a kind of moisture content is less than the ultra-fine albite of 15%.
Background technology
Albite is a kind of common spectra, is the aluminosilicate (NaAlSi of sodium
3o
8), it is the raw material manufacturing glass and pottery.The preparation of high-grade ceramic glaze is very strict to the requirement of ultra-fine albite powder, and the granularity of powder is wanted thin and wanted size-grade distribution to concentrate, and in powder, foreign matter content is low; Along with cleaner production is in the implementation of ceramic industry, in order to reduce dust pollution and be convenient to bulk shipment, powder ceramic material requires to add and is less than 15% moisture and powder can not have caking.In the production technology of existing ultra-fine albite powder, complex process, production cost are high, ultra-fine albite in powder production process comprises the operations such as abrasive dust, removal of impurities, deironing, precipitation, owing to precipitating rear product caking and moisture content is minimum can only drop within 25%, in the process of precipitation, portioned product can outflow with water; When adopting the method for conventional press filtration or vacuum hydro-extraction to dewater, due to albite ore, some is weathering, easily hydrophilic, when powder fineness is meticulous, be difficult to moisture content to drop to reach less than 22%, the powder after dehydration is walk shape, all can cause very large impact to transport and use.So will dry toward contact in preparation process, and the technological process such as to add water again after the drying; Cause dehydration cost high, the economic benefit of enterprise is low.
Summary of the invention
The present invention proposes a kind of production method of albite, and the method production technique simply, is easily implemented, production cost is low, production efficiency is high, and do not need oven dry and the step that adds water again that product water content just can be made lower than 15%, the powder after dehydration is loose shape.
A production method for albite, its step is as follows:
(1), prepare burden
Select raw material potassium felspar sand and albite, by raw material weight per-cent be albite 55%, potassium felspar sand 45% prepares burden;
(2), abrasive dust
Abrasive dust is carried out to the raw material that step (1) prepares, the powder that powder particles controls to be less than 4 μm at particle diameter accounts for total powder weight percent less than 10%, powder that particle diameter is greater than 22 μm accounts for total powder weight percent more than 50%, powder that particle diameter is less than 75 μm accounts for total powder weight percent more than 97%;
(3), removal of impurities
The powder of step (2) milled is added water and makes the slip of mass concentration <15%, with electromagnetic separator, removal of impurities is carried out to slip, remain on 12m by the flow of the slip of electromagnetic separator
3within/h;
(4) size mixing
Concentrate the slip after step (3) removal of impurities with thickener, then in the slip after concentrated, add flocculation agent and size mixing, after sizing mixing, the mass concentration of slip controls 34.5 ~ 35.5%;
(5), filter-press dehydration
High-pressure pump is adopted first to carry out filter-press dehydration to the slip after step (4), first carry out pressurizing and dehydrating during filter-press dehydration, dewatering time is 8 ~ 12 minutes, then passes into high-pressure air and carries out air-dry dehydration, air-dry dewatering time is 8 ~ 12 minutes, namely obtain moisture content lower than 15% albite powder.
Albite described in step (1) is Hengyang, Hunan Province wetting ability albite, and potassium felspar sand is Guangdong Qingyuan's hydrophobicity potassium felspar sand.The weight percentage of the chemical composition of Hengyang, Hunan Province wetting ability albite is SiO
268-69.5%, Ai
2o
319-20%, NaO
29.5-10.5%, K
2o 0.1-0.4%; The chemical composition of Guangdong Qingyuan's hydrophobicity potassium felspar sand is SiO
275-78%, Ai
2o
312-13%, NaO
23-4%, K
2o 4-5.5%.
Flocculation agent described in step (4) is poly-aluminum chloride-magnesium, the weight that poly-aluminum chloride-magnesium adds is 0.005 ~ 0.008% of slip gross weight, the flocculating effect of poly-aluminum chloride-magnesium is high, and flocculation rate is fast, and the poly-aluminum chloride-magnesium adding seldom amount just can reach required flocculation requirement.
In the described air-dry dehydration of step (5), the pressure-controlling of high-pressure air is at 4 ~ 5kg/cm
2, gas consumption controls at 3.5 ~ 3.8m
3/ min.
The present invention is by the control of pulp density during Xuan Ze ﹑ press filtration to composition of raw materials Youization ﹑ raw material granularity Tiao Zheng ﹑ flocculation agent and adopt common chamber-type press filter to dewater, carry out high-pressure air more air-dry, make product moisture content lower than 15%, greatly reduce production cost, Cost comparisons declines 210 yuan/ton.Production unit of the present invention is all conventional mining machinery, easily implements, and production technique is simple, does not need to carry out drying water distribution technique again, thus improves production efficiency.
Accompanying drawing explanation
Fig. 1 is production scheme of the present invention.
Embodiment
The production method of a kind of albite of the present invention, its step is as follows:
(1), prepare burden
Select raw material potassium felspar sand and albite, by raw material weight per-cent be albite 55%, potassium felspar sand 45% prepares burden;
(2), abrasive dust
Abrasive dust is carried out to the raw material that step (1) prepares, the powder that powder particles controls to be less than 4 μm at particle diameter accounts for total powder weight percent less than 10%, powder that particle diameter is greater than 22 μm accounts for total powder weight percent more than 50%, powder that particle diameter is less than 75 μm accounts for total powder weight percent more than 97%;
(3), removal of impurities
The powder of step (2) milled is added water and makes the slip of mass concentration <15%, with electromagnetic separator, removal of impurities is carried out to slip, remain on 12m by the flow of the slip of electromagnetic separator
3within/h;
(4) size mixing
Concentrate the slip after step (3) removal of impurities with thickener, then in the slip after concentrated, add flocculation agent and size mixing, after sizing mixing, the mass concentration of slip controls 34.5 ~ 35.5%;
(5), filter-press dehydration
High-pressure pump is adopted first to carry out filter-press dehydration to the slip after step (4), first carry out pressurizing and dehydrating during filter-press dehydration, dewatering time is 8 ~ 12 minutes, then passes into high-pressure air and carries out air-dry dehydration, air-dry dewatering time is 8 ~ 12 minutes, namely obtain moisture content lower than 15% albite powder.
Albite described in step (1) is Hengyang, Hunan Province wetting ability albite, and potassium felspar sand is Guangdong Qingyuan's hydrophobicity potassium felspar sand.The weight percentage of the chemical composition of Hengyang, Hunan Province wetting ability albite is SiO
268-69.5%, Ai
2o
319-20%, NaO
29.5-10.5%, K
2o 0.1-0.4%; The chemical composition of Guangdong Qingyuan's hydrophobicity potassium felspar sand is SiO
275-78%, Ai
2o
312-13%, NaO
23-4%, K
2o 4-5.5%.
Flocculation agent described in step (4) is poly-aluminum chloride-magnesium, the weight that poly-aluminum chloride-magnesium adds is 0.005 ~ 0.008% of slip gross weight, the flocculating effect of poly-aluminum chloride-magnesium is high, and flocculation rate is fast, and the poly-aluminum chloride-magnesium adding seldom amount just can reach required flocculation requirement.
In the described air-dry dehydration of step (5), the pressure-controlling of high-pressure air is at 4 ~ 5kg/cm
2, gas consumption controls at 3.5 ~ 3.8m
3/ min.
Conveniently the understanding of those skilled in the art, is further described the present invention by specific embodiment below in conjunction with Fig. 1.
Embodiment 1
Production unit used by the present embodiment is conventional mining machinery, is known technology.The Xianyang ceramic plunger pump of model Y200-20, the emerging source chamber-type press filter of model X25MDYW800-UB and piston type air compressor is selected to dewater in the present embodiment press filtration shrink process; Select 10m
2dark cone inclined tube thickener concentrates slip, also can be other conventional mine mechanisms.
A production method for albite, its step is as follows:
(1), prepare burden
Choose Hengyang, Hunan Province wetting ability albite and Guangdong Qingyuan's hydrophobicity potassium felspar sand and be broken into the particulate material that granularity is less than below 5mm, again by raw material weight percentage ratio be Hengyang, Hunan Province wetting ability albite 55%, Guangdong Qingyuan's hydrophobicity potassium felspar sand 45% prepares burden, detect the main chemical compositions in raw material after batching, its chemical composition is SiO
272%, Al
2o
315.5%, Na
2o7.8%, K
2o2.6%.
(2), abrasive dust
Abrasive dust is carried out to the raw material that step (1) prepares, the powder that powder particles controls to be less than 4 μm at particle diameter accounts for total powder weight percent less than 10%, powder that particle diameter is greater than 22 μm accounts for total powder weight percent more than 50%, powder that particle diameter is less than 75 μm accounts for total powder weight percent more than 97%.
(3), removal of impurities
The powder of step (2) milled is added water and makes the slip of mass concentration <15%, with electromagnetic separator, removal of impurities is carried out to slip, remain on 12m by the flow of the slip of electromagnetic separator
3within/h.
(4) size mixing
Use 10m
2dark cone inclined tube-type thickener concentrates the slip after step (3) removal of impurities, then in the slip after concentrated, add poly-aluminum chloride-magnesium to size mixing, the weight that poly-aluminum chloride-magnesium adds is 0.005% of slip gross weight, and the mass concentration of slip controls between 34.5%.
(5), filter-press dehydration
Xianyang ceramic plunger pump is adopted to carry out filter-press dehydration to the slip after sizing mixing through step (4).First Cabin type of Filter press is adopted to carry out pressurizing and dehydrating during filter-press dehydration, the pressurizing and dehydrating time is 8min, then adopt common piston type air compressor to pass into high-pressure air, carry out air-dry dehydration to the filter cake after pressurizing and dehydrating, the pressure in air-dry dehydration remains on 4kg/cm
2, gas consumption remains on 3.5m
3/ min, air-dry dewatering time controls as 8min, namely obtain moisture content lower than 15% albite powder, the powder after dehydration is loose shape.
Detect the albite powder of gained, its moisture content is lower than 15%.
Embodiment 2
Production unit used by the present embodiment is conventional mining machinery, is known technology.The Xianyang ceramic plunger pump of model Y200-20, the emerging source chamber-type press filter of model X25MDYW800-UB and piston type air compressor is selected to dewater in the present embodiment press filtration shrink process; Select 10m
2dark cone inclined tube thickener concentrates slip, also can be other conventional mine mechanisms.
A production method for albite, its step is as follows:
(1), prepare burden
Choose Hengyang, Hunan Province wetting ability albite and Guangdong Qingyuan's hydrophobicity potassium felspar sand and be broken into the particulate material that granularity is less than below 5mm, again by raw material weight percentage ratio be Hengyang, Hunan Province wetting ability albite 55%, Guangdong Qingyuan's hydrophobicity potassium felspar sand 45% prepares burden, detect the main chemical compositions in raw material after batching, its chemical composition is SiO
272%, Al
2o
315.5%, Na
2o7.8%, K
2o2.6%.
(2), abrasive dust
Abrasive dust is carried out to the raw material that step (1) prepares, the powder that powder particles controls to be less than 4 μm at particle diameter accounts for total powder weight percent less than 10%, powder that particle diameter is greater than 22 μm accounts for total powder weight percent more than 50%, powder that particle diameter is less than 75 μm accounts for total powder weight percent more than 97%.
(3), removal of impurities
The powder of step (2) milled is added water and makes the slip of mass concentration <15%, with electromagnetic separator, removal of impurities is carried out to slip, remain on 12m by the flow of the slip of electromagnetic separator
3within/h.
(4) size mixing
Use 10m
2dark cone inclined tube-type thickener concentrates the slip after step (3) removal of impurities, then in the slip after concentrated, add poly-aluminum chloride-magnesium to size mixing, the weight that poly-aluminum chloride-magnesium adds is 0.008% of slip gross weight, and the mass concentration of slip controls between 35.5%.
(5), filter-press dehydration
Xianyang ceramic plunger pump is adopted to carry out filter-press dehydration to the slip after sizing mixing through step (4).First Cabin type of Filter press is adopted to carry out pressurizing and dehydrating during filter-press dehydration, the pressurizing and dehydrating time is 12min, then adopt common piston type air compressor to pass into high-pressure air, carry out air-dry dehydration to the filter cake after pressurizing and dehydrating, the pressure in air-dry dehydration remains on 5kg/cm
2, gas consumption remains on 3.8m
3/ min, air-dry dewatering time controls as 12min, namely obtain moisture content lower than 15% albite powder, the powder after dehydration is loose shape.
Detect the albite powder of gained, its moisture content is lower than 15%.
The present invention is by the control of pulp density during Xuan Ze ﹑ press filtration to composition of raw materials Youization ﹑ raw material granularity Tiao Zheng ﹑ flocculation agent and adopt common chamber-type press filter to dewater, carry out high-pressure air more air-dry, make product moisture content lower than 15%, greatly reduce production cost, Cost comparisons declines 210 yuan/ton.Production unit of the present invention is all conventional mining machinery, easily implements, and production technique is simple, does not need to carry out drying water distribution technique again, thus improves production efficiency.
Above-described embodiment is the more excellent implementation of the present invention, is not that under the prerequisite not departing from inventive concept of the present invention, any apparent replacement is all within protection scope of the present invention to this restriction of the present invention.
Claims (2)
1. a production method for albite, its step is as follows:
(1) prepare burden
Select raw material potassium felspar sand and albite, by raw material weight per-cent be albite 55%, potassium felspar sand 45% prepares burden;
(2) abrasive dust
Abrasive dust is carried out to the raw material that step (1) prepares, the powder that powder particles controls to be less than 4 μm at particle diameter accounts for total powder weight percent less than 10%, powder that particle diameter is greater than 22 μm accounts for total powder weight percent more than 50%, powder that particle diameter is less than 75 μm accounts for total powder weight percent more than 97%;
(3) removal of impurities
The powder of step (2) milled is added water and makes the slip of mass concentration <15%, with electromagnetic separator, removal of impurities is carried out to slip, remain on 12m by the flow of the slip of electromagnetic separator
3within/h;
(4) size mixing
Concentrate the slip after step (3) removal of impurities with thickener, then in the slip after concentrated, add flocculation agent and size mixing, after sizing mixing, the mass concentration of slip controls 34.5 ~ 35.5%;
(5) filter-press dehydration
High-pressure pump is adopted first to carry out filter-press dehydration to the slip after step (4), first pressurizing and dehydrating is carried out during filter-press dehydration, dewatering time is 8 ~ 12 minutes, then pass into high-pressure air and carry out air-dry dehydration, air-dry dewatering time is 8 ~ 12 minutes, namely obtain moisture content lower than 15% albite powder;
Wherein, the flocculation agent described in step (4) is poly-aluminum chloride-magnesium, and the weight that poly-aluminum chloride-magnesium adds is 0.005 ~ 0.008% of slip gross weight; In the described air-dry dehydration of step (5), the pressure-controlling of high-pressure air is at 4 ~ 5kg/cm
2, gas consumption controls at 3.5 ~ 3.8m
3/ min.
2. the production method of albite according to claim 1, is characterized in that: the albite described in step (1) is Hengyang, Hunan Province wetting ability albite, and potassium felspar sand is Guangdong Qingyuan's hydrophobicity potassium felspar sand.
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|---|---|---|---|
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|---|---|---|---|
| CN201310219630.3A CN103318900B (en) | 2013-06-05 | 2013-06-05 | Process for producing albite |
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| CN103318900B true CN103318900B (en) | 2015-04-22 |
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| CN105327773B (en) * | 2015-11-26 | 2018-01-30 | 四川南江新兴矿业有限公司 | The method for reclaiming nepheline ore deposit in nepheline ore deposit mine tailing |
| CN108996512A (en) * | 2018-07-25 | 2018-12-14 | 广西驰胜农业科技有限公司 | A kind of method of whitening of albite in powder |
| CN108906314B (en) * | 2018-08-31 | 2020-08-11 | 贺州市骏鑫矿产品有限责任公司 | Production method of albite |
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| CN1045551C (en) * | 1992-12-04 | 1999-10-13 | 万世胜 | Concentration method for removing iron from potash feldspar |
| CN100579903C (en) * | 2007-12-28 | 2010-01-13 | 河北工业大学 | Method for purifying and processing attapulgite clay mineral |
| CN101664715B (en) * | 2009-09-16 | 2013-11-20 | 中国瑞林工程技术有限公司 | Ore-dressing technique capable of effectively improving comprehensive utilization rate of mine resources |
| CN101759195B (en) * | 2009-12-10 | 2011-09-07 | 云南天鸿高岭矿业有限公司 | Production process of high-purity nerchinskite |
| CN101869871B (en) * | 2010-05-29 | 2011-11-16 | 大冶有色设计研究院有限公司 | Beneficiation method for iron removing and impurity reducing combined process of feldspar ore |
| CN102631979A (en) * | 2012-04-18 | 2012-08-15 | 赣州金环磁选设备有限公司 | Magnetic ore dressing method of high-quality feldspar ore |
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Address after: 513000 New Union Village, Xia Tai town, Yingde City, Qingyuan, Guangdong Patentee after: Guangdong Olympic Sheng new material Co., Ltd. Address before: 513000 New Union Village, Xia Tai town, Yingde City, Qingyuan, Guangdong Patentee before: Yingde Ausheng New Material Co., Ltd. |
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