CN102319616A - Impurity removal separation and purification method for weathering feldspar quarry - Google Patents

Impurity removal separation and purification method for weathering feldspar quarry Download PDF

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Publication number
CN102319616A
CN102319616A CN2011102282776A CN201110228277A CN102319616A CN 102319616 A CN102319616 A CN 102319616A CN 2011102282776 A CN2011102282776 A CN 2011102282776A CN 201110228277 A CN201110228277 A CN 201110228277A CN 102319616 A CN102319616 A CN 102319616A
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feldspar
magnetic
mineral
ore deposit
ore
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罗贵达
肖宜雄
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罗贵达
肖宜雄
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Abstract

The invention relates to an impurity removal separation and purification method for weathering feldspar quarry, which has the following technical process flow that the weathering feldspar quarry carries out crushing, ore washing, ball milling, grading, sieving, desliming, magnetic separation, flotation and dewatering, and high-quality fine feldspar quarry powder is obtained. The technical process flow has the following characteristics that a, a ball mill is adopted for ore milling; b, a special vibration sieve is adopted for removing impurities such as large pieces of mica, sawdust and the like; c, ore washing desliming equipment is adopted for removing most primary slime and secondary slime; d, the process of firstly adopting strong magnetism and then adopting weak magnetism in the production process is adopted; e, the flotation process is adopted; and f, all production water is cyclically utilized.

Description

The removal of impurities process for separation and purification in weathering type feldspar ore deposit
Technical field
The present invention relates to the removal of impurities process for separation and purification in weathering type feldspar ore deposit.
Background technology
The nonmetal feldspar mine of China all is that to sell raw ore be main for a long time, and mining type then is to eat richness to abandon poorly, particularly the complicated feldspar ore deposit of those impurity components then nobody shows any interest in.Have the part mine that long ore has been carried out some processed in recent years, if any the employing picking---fragmentation---ore grinding or water-powered roller---classification, the employing that has is broken---ore grinding---screening---magnetic separation, the employing that has washing---desliming---is sieved; These methods all are simple relatively to ore character, and the feldspar ore deposit that impurity component is single can obtain fair feldspar concentrate powder and be used for selling, but the content of di-iron trioxide is all more than 0.2%, and whiteness is not high yet.Also be in the present situation that is not exploited for the complicated weathering type feldspar ore deposit in impurity component complicated feldspar ore deposit, particularly impurity component.
Weathering type feldspar ore deposit, area, Sanming City, Fujian Province scale is big, and reserves are very abundant, and exploitation is convenient; All can have an opencast mining of, but ore belongs to weathering type, hardness is low, frangible, it is many to contain mud; Particularly impurity composition is very complicated, not only contains a large amount of micas, tourmaline in the ore, also contains quartz; And dark colour mineral such as weak magnetism mineral, chlorite, aspidelite; Some weathering ore also contains kaolin, brings bigger difficulty so separate for the removal of impurities of ore, thereby makes the feldspar chief of a pit phase of this area fail to obtain development and utilization.
Summary of the invention
The present invention is engaged in mineral products application study and management work per capita for a long time, and one of inventor's Luo Guida is the present technique field technology leader who enjoys State Council's special allowance.Study for many years and test through us, draw a kind of removal of impurities process for separation and purification to the complicated weathering type feldspar ore deposit of impurity component.Task of the present invention just provides the removal of impurities process for separation and purification in this weathering type feldspar ore deposit, and task of the present invention realizes through following technical scheme: adopt efficient ways and means comprehensive processing technique flow process: described weathering type feldspar ore deposit is through fragmentation, washup; Ball milling, classification, screening; Desliming, magnetic separation, flotation; Behind the dewatering operation, obtain the feldspar ore deposit fine ore of high-quality.
Removal of impurities process for separation and purification of the present invention to the ore characteristic of this area, takes efficient ways with means the impurity in the ore effectively to be separated.The content of di-iron trioxide is generally at 0.8%-1.5% in the raw ore; Whiteness is 10-20% only; And after taking removal of impurities process for separation and purification removal of impurities of the present invention to separate purification, the content of di-iron trioxide is merely about 0.05% in the feldspar concentrate powder, and whiteness can reach more than 65%; Ceramics factory uses very popular and favorable comment to product through domestic various places.
The specific embodiment
Below the present invention is further specified.(but not being) to the present invention's restriction.
The present invention is directed to the deficiency of prior art, a kind of removal of impurities process for separation and purification to the complicated weathering type feldspar ore deposit of impurity component is provided, adopt efficient ways and means comprehensive processing technique flow process: described weathering type feldspar ore deposit is through fragmentation; Washup, ball milling, classification; Screening, desliming, magnetic separation; Flotation behind the dewatering operation, obtains the feldspar ore deposit fine ore of high-quality.
Technological process of the present invention has following characteristic:
A. adopt the ball mill ore grinding, break the forbidden zone of nonmetallic ore without the steel ball ore grinding.The present invention adopts the ball mill ore grinding, and production capacity is big, and grinding efficiency is high, and convenient operation and management can be produced continuously.Though this equipment produces some mechanical iron in grinding process, in subsequent job, adopt magnetic plant, can mechanical iron be removed fully.
B. adopt special vibratory sieve, can remove impurity such as big mica splitting and wooden Xie.
C. adopt the washup desliming device, can most of primary slime and secondary slime be removed.For weathering type feldspar ore deposit, primary slime content is more, can after fragmentation, carry out washup.Because of producing a part of secondary slime, thereby before magnetic separation, carry out desliming during ore grinding.The primary slime Fe that sloughs in process of production 2O 3Content reaches more than 2%, contains Fe in the secondary slime of sloughing 2O 3Also reach more than 1%, therefore, desliming is crucial operation.
D. in process of production, strong magnetic behind the earlier weak magnetic of employing, promptly the machine of employing low intensity magnetic separation is earlier removed mechanical iron and strongly magnetic mineral, and magnetic field intensity is in 1000-3000 Gauss; Adopt intensity magnetic separator again, impurity such as weak magnetic mineral and a part of tourmaline, mica are removed, magnetic field intensity is about 10000 Gausses.Adopt magnetic plant that deironing is played an important role; Not only can remove mechanical iron, strongly magnetic mineral; Also can remove a part of tourmaline, mica, particularly weak magnetic mineral, can remove basically like iron oxide mineral such as limonite, bloodstone, speculum irons.
E. adopt flotation operation, remove mica and various iron-bearing mineral and dark colour mineral, promptly in magnetic concentration working, fail the impurity removed, in flotation operation, be removed, thereby, improve product whiteness and played critical effect guaranteeing product quality.After removal of impurities, can also carry out feldspar as required and separate, and obtain feldspar concentrate powder and two kinds of products of quartz concentrate powder with quartz.
F. the whole recycles of industrial water, tailing water are outwards discharging, and this had both protected environment, can remedy the deficiency of industrial water again, and simultaneously also residual a part of medicament in the backwater can add a part of medicament behind the Returning utilization less, thus the saving cost.
Production practices prove that this technological process is feasible, also are to handle the state-of-the-art technological process in feldspar ore deposit at present both at home and abroad.
The application of efficient floating agent in the technological process of the present invention:
The present invention adopts floatation process: wherein deironing is an one roughing, once purging selection, and removing mica and other impurity then is one roughing, secondary is scanned.
To improving the quality of products, guarantee that product whiteness is crucial, but the key of flotation operation is to select the reliable floating agent of efficient stable.After deliberation and the experiment; The anion collecting agent 701# medicament that in production practices, uses is an effective agent of removing iron-bearing mineral; And cation-collecting agent 702# can remove mica, iron-bearing mineral and dark colour mineral, and amphion collecting agent 705# and anion collecting agent 701# mix by a certain percentage; Be the most effectively collecting agent of feldspar, can feldspar and quartz obtained the most effectively separating.
The consumption of 701# medicament is a 300-350 gram/ton aborning, and the 702# dosing is a 350-400 gram/ton, and the 705# dosing is a 300-400 gram/ton.
701#, 702#, these three kinds of medicaments of 705# are effective high-efficient collecting agents, and these medicaments all are the products of paying of petroleum chemical industry, are nonpoisonous and tasteless medicaments; Prepare easy to use; Transportation safety is reliable, and particularly industrial water all recycles, not discharging downstream; Therefore, can not cause any shape to ring to environment.
(the said equipment and medicament are prior aries, and be available on market, so do not detailed at this.)
Below be feasible and can obtain good effect through using actual experiment example of the present invention, further specifying the present invention.
Instance one
Heart feldspar ore deposit is typical weathering type feldspar ore deposit in Jianning, raw ore main chemical: K 2O:10.63%, Na 2O:2.89%, Fe 2O 3: 0.6%, Al 2O 3: 23.5%, SiO 2: 63.46%, essential mineral is a potassic feldspar, albite, kaolin, quartz, major impurity mineral are mica, the weak magnetism mineral, like limonite, bloodstone also has chlorite, aspidelite etc.Raw ore is at first cleaned through swaging machine, with hydrocyclone kaolin is separated, and kaolin is processed into qualified products.The hydrocyclone sand setting is the product mix of potassium, albite.The mining 50 purpose sieves of anemonsite are carried out classification, and wherein+50 order is to be main thick product with the potassic feldspar, and productive rate is 78.36%, contains K 2O:12.63%, Na 2O:2.33%, Fe 2O 3: 0.36% ,-50 orders then are that albite is main thick product, contain Na 2O:7.00%, K 2O:5.13%, Fe 2O 3: 0.53%.Is main thick product with the potassic feldspar,, removes the weak magnetism mineral and mechanical iron advances flotation again, remove mineral such as mica and dark colour, the feldspar concentrate powder of acquisition high-quality, wherein K through the laggard high intensity magnetic separation of ore grinding 2O:12.96%, Na 2O:2.23%, Fe 2O 3: 0.05%, K 2O+Na 2O is 15.19%, and product whiteness reaches 70%.Be that main thick product is thinner because of granularity with the albite, needn't carry out ore grinding, directly advance high intensity magnetic separation, remove the weak magnetism mineral, advance flotation again, remove impurity such as mica, the feldspar concentrate of acquisition contains K 2O:4.98%, Na 2O:6.98%, Fe 2O 3: 0.07%, product whiteness reaches more than 65%.
Instance two
Xi Yuan feldspar ore deposit, Jianning also is typical weathering type feldspar ore deposit, and impurity component is also very complicated.The raw ore main chemical compositions is K 2O:7.70%, Na 2O:2.36%, Fe 2O 3: 0.84%, Al 2O 3: 12.90%, SiO 2: 76.20%.Essential mineral is a potassic feldspar in the raw ore, albite, quartz.The major impurity mineral are mica, limonite, bloodstone, iron garnet, aspidelite etc.It is more that raw ore contains mud, therefore at first will carry out the washup desliming, and the grinding machine of scoring then carries out ore grinding; Further desliming again behind the ore grinding, the laggard intensity magnetic separator of desliming removes mechanical iron and weak magnetism mineral, and then advances flotation; Remove impure minerals such as mica and dark colour, obtain high-quality feldspar concentrate worker powder, wherein K 2O:8.35%, Na 2O:2.10%, Fe 2O 3: 0.04%.Product whiteness reaches more than 65%.
Instance three
Feldspar ore deposit, yellow mill also belongs to typical weathering type feldspar ore deposit, raw ore chemical analysis: K 2O:8.60%, Na 2O:2.65%, Fe 2O 3: 0.85%, Al 2O 3: 13.5%, SiO 2: 73.20%.Raw ore carries out washup after fragmentation, washup is after the ball mill ore grinding carries out graded desliming again, and the sand setting after the desliming carries out magnetic separator and removes mechanical iron and weak magnetism mineral, advances flotation again, adds the floating agent 701# and the 702# removal of impurity.Obtain feldspar and quartzy product mix, this product mix can sell, wherein K 2O:10.25%, Na 2O:1.50%, Fe 2O 3: 0.03%, Al 2O 3: 13.6%, SiO 2: 76.10%.If the SiO in the reduction product 2Content can further add floating agent 705# and 701#, carries out the direct flotation feldspar, draws two kinds of products of feldspar concentrate powder and quartz concentrate powder, wherein SiO in the feldspar concentrate powder 2Content can reduce to 63.5%, whiteness 68%, SiO in the quartz concentrate powder 2Content reaches more than 98.6%, and whiteness can reach more than 72%.
Above instance fully confirms of the present invention feasible, and those skilled in the art can realize the present invention by technical scheme of the present invention.
Above-mentioned is specific embodiment of the present invention, and all similar changes of doing according to above-mentioned design ought to belong to protection scope of the present invention.

Claims (1)

1. the removal of impurities process for separation and purification in weathering type feldspar ore deposit is characterized in that, the technological process of described weathering type feldspar ore deposit removal of impurities process for separation and purification is following: described weathering type feldspar ore deposit is through fragmentation; Washup, ball milling, classification; Screening, desliming, magnetic separation; Flotation behind the dewatering operation, obtains the feldspar ore deposit fine ore of high-quality; Described technological process has following characteristic:
A. adopt the ball mill ore grinding;
B. adopt special vibratory sieve, remove impurity such as big mica splitting and wooden Xie;
C. adopt the washup desliming device, most of primary slime and secondary slime are removed; For weathering type feldspar ore deposit, primary slime content is more, can after fragmentation, carry out washup;
D. in process of production, strong magnetic behind the earlier weak magnetic of employing, promptly the machine of employing low intensity magnetic separation is earlier removed mechanical iron and strongly magnetic mineral, and magnetic field intensity is in 1000-3000 Gauss; Adopt intensity magnetic separator again, impurity such as weak magnetic mineral and a part of tourmaline, mica are removed, magnetic field intensity is about 10000 Gausses;
E. adopt floatation process, remove mica and various iron-bearing mineral and dark colour mineral, promptly in magnetic concentration working, fail the impurity removed, in flotation operation, be removed; Deironing is an one roughing, once purging selection; Removing mica and other impurity then is one roughing, and secondary is scanned; After removal of impurities, carry out feldspar and separate with quartz, obtain feldspar concentrate powder and two kinds of products of quartz concentrate powder;
Described floatation process selective flotation medicament: cation-collecting agent 702#, amphion collecting agent 705# and anion collecting agent 701#; Mix by a certain percentage: the consumption of 701# medicament is a 300-350 gram/ton aborning; The 702# dosing is a 350-400 gram/ton, and the 705# dosing is a 300-400 gram/ton;
F. the whole recycles of industrial water.
CN2011102282776A 2011-04-29 2011-08-03 Impurity removal separation and purification method for weathering feldspar quarry Pending CN102319616A (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102600982A (en) * 2012-03-26 2012-07-25 武汉理工大学 Fluoride-free low-acid zwitterion quartz sand reverse flotation process
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
CN103301924A (en) * 2013-07-01 2013-09-18 湖南天一金岳矿业有限公司 Grading method for fine machining of soda feldspar
CN103506215A (en) * 2013-06-09 2014-01-15 中钢集团马鞍山矿山研究院有限公司 Beneficiation process for quality improvement and iron removal of feldspar ores
CN104072152A (en) * 2014-07-16 2014-10-01 阳西博德精工建材有限公司 Method for removing color development and volatile components in feldspar ceramic raw material
CN105381865A (en) * 2015-11-26 2016-03-09 四川南江新兴矿业有限公司 Method for removing calcium oxide of nepheline ores through strong magnetic separation
CN106513336A (en) * 2016-10-11 2017-03-22 湖南超牌科技有限公司 Weathered feldspar machining method and machining device
CN108579988A (en) * 2018-04-11 2018-09-28 辽宁万隆科技研发有限公司长沙分公司 A method of extracting feldspar concentrate using desert drift-sand
CN109095474A (en) * 2018-08-31 2018-12-28 贺州市骏鑫矿产品有限责任公司 A kind of potassium feldspar impurity removal process method
CN110898956A (en) * 2019-11-06 2020-03-24 乐山市南联环资科技有限责任公司 Process for producing feldspar for glaze by utilizing feldspar tailings
CN110898955A (en) * 2019-11-06 2020-03-24 乐山市南联环资科技有限责任公司 Process for producing feed additive by using feldspar tailings
CN110922160A (en) * 2019-11-06 2020-03-27 乐山市南联环资科技有限责任公司 Process for preparing ceramic green body material by utilizing feldspar tailings

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CN1149510A (en) * 1996-08-01 1997-05-14 冶金工业部马鞍山矿山研究院 Feldspar iron-removing ore dressing technology
CN101898168A (en) * 2010-07-21 2010-12-01 衡阳县湘雁矿业有限公司 Beneficiation method for removing long quarry impurities by adopting strong magnetic flotation
CN101972708A (en) * 2010-10-28 2011-02-16 山东科技大学 Preparation method of feldspar ore reverse-flotation de-ironing collector

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CN1149510A (en) * 1996-08-01 1997-05-14 冶金工业部马鞍山矿山研究院 Feldspar iron-removing ore dressing technology
CN101898168A (en) * 2010-07-21 2010-12-01 衡阳县湘雁矿业有限公司 Beneficiation method for removing long quarry impurities by adopting strong magnetic flotation
CN101972708A (en) * 2010-10-28 2011-02-16 山东科技大学 Preparation method of feldspar ore reverse-flotation de-ironing collector

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102600982A (en) * 2012-03-26 2012-07-25 武汉理工大学 Fluoride-free low-acid zwitterion quartz sand reverse flotation process
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
CN103506215A (en) * 2013-06-09 2014-01-15 中钢集团马鞍山矿山研究院有限公司 Beneficiation process for quality improvement and iron removal of feldspar ores
CN103506215B (en) * 2013-06-09 2015-05-20 中钢集团马鞍山矿山研究院有限公司 Beneficiation process for quality improvement and iron removal of feldspar ores
CN103301924A (en) * 2013-07-01 2013-09-18 湖南天一金岳矿业有限公司 Grading method for fine machining of soda feldspar
CN104072152A (en) * 2014-07-16 2014-10-01 阳西博德精工建材有限公司 Method for removing color development and volatile components in feldspar ceramic raw material
CN104072152B (en) * 2014-07-16 2016-05-25 阳西博德精工建材有限公司 A kind of feldspar ceramic raw material is removed the method for color development and volatile ingredient
CN105381865A (en) * 2015-11-26 2016-03-09 四川南江新兴矿业有限公司 Method for removing calcium oxide of nepheline ores through strong magnetic separation
CN106513336A (en) * 2016-10-11 2017-03-22 湖南超牌科技有限公司 Weathered feldspar machining method and machining device
CN108579988A (en) * 2018-04-11 2018-09-28 辽宁万隆科技研发有限公司长沙分公司 A method of extracting feldspar concentrate using desert drift-sand
CN108579988B (en) * 2018-04-11 2020-06-09 辽宁万隆科技研发有限公司长沙分公司 Method for extracting feldspar ore concentrate by utilizing desert aeolian sand
CN109095474A (en) * 2018-08-31 2018-12-28 贺州市骏鑫矿产品有限责任公司 A kind of potassium feldspar impurity removal process method
CN110898956A (en) * 2019-11-06 2020-03-24 乐山市南联环资科技有限责任公司 Process for producing feldspar for glaze by utilizing feldspar tailings
CN110898955A (en) * 2019-11-06 2020-03-24 乐山市南联环资科技有限责任公司 Process for producing feed additive by using feldspar tailings
CN110922160A (en) * 2019-11-06 2020-03-27 乐山市南联环资科技有限责任公司 Process for preparing ceramic green body material by utilizing feldspar tailings

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