CN103521344A - Method for separating and purifying low-grade fluorite barite paragenetic ores - Google Patents

Method for separating and purifying low-grade fluorite barite paragenetic ores Download PDF

Info

Publication number
CN103521344A
CN103521344A CN201310505493.XA CN201310505493A CN103521344A CN 103521344 A CN103521344 A CN 103521344A CN 201310505493 A CN201310505493 A CN 201310505493A CN 103521344 A CN103521344 A CN 103521344A
Authority
CN
China
Prior art keywords
fluorite
barite
grade
tailings
mdk
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201310505493.XA
Other languages
Chinese (zh)
Inventor
刘刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Business Chuan Dong Rises Mining Ltd Co
Original Assignee
Business Chuan Dong Rises Mining Ltd Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Business Chuan Dong Rises Mining Ltd Co filed Critical Business Chuan Dong Rises Mining Ltd Co
Priority to CN201310505493.XA priority Critical patent/CN103521344A/en
Publication of CN103521344A publication Critical patent/CN103521344A/en
Pending legal-status Critical Current

Links

Abstract

A method for separating and purifying low-grade fluorite barite paragenetic ores includes the following steps that the first step, the fluorite barite associated raw ores are manually picked in a mine, starch and NaOH are added into a just boiled deionized water according to the weight ratio of 6:1 at the same time, stirring is performed for 20 minutes, when the starch is completely dissolved, a solution with certain concentration is then obtained in a diluting mode, and the code name of the solution is 'MDK'; then, the NAS with certain concentration and the MDK are evenly mixed according to the ratio of 800:0.6, so that a modifier is prepared, and the code name is 'ADF'; with TF2-8 as a collecting agent and the 'ADF' as the modifier, fluorites with a grade of 95.61% can be obtained through one-time roughing under the condition that pH=8.8; after the fluorites are obtained, tailings are reselected by the adoption of a spiral chute, barite fine powder is further recycled, regrinding and reselecting are performed on fluorite barite intergrown body middlings, the remaining final tailings are subject to dry stacking processing after undergoing sedimentation and filter pressing, and the tailings after the dry stacking processing are used for making bricks.

Description

Low grade fluorite and barite mineral intergrowth process for separation and purification
Technical field
The present invention relates to a kind of floatation separating method for mineral, relate in particular to a kind of low-grade fluorite-barite mineral intergrowth process for separation and purification.
Background technology
Fluorite (Fluorite), claims again fluorite, is a kind of mineral, and its main component is calcirm-fluoride (CaF2), impure more, and Ca is often substituted by rare earth elements such as Y and Ce, contains in addition a small amount of Fe2O3, SiO2 and micro-Cl, O3, He etc.The fluorite of occurring in nature is aobvious chromatic colour often, and hardness ratio pocket knife is low.It can for the preparation of hydrogen fluoride: CaF2+H2SO4=CaSO4+2HF ↑; In artificial fluorite technology, not yet before maturation, be one of material of manufacturing by camera lens optical glass used.
Fluorite is saltiness diluent, why gains the name, and be because it can send the fluorescence as firefly under ultraviolet ray or cathode-ray irradiation, but when fluorite contains some rare earth elements, it will phosphoresce.That is to say, after leaving ultraviolet ray or cathode-ray irradiation, fluorite still can continue luminous longer a period of time.The phosphorescent fluorite output of this energy proportion is little.In fact, most legendary luminous pearls are all fluorite materials, because the crystal of fluorite is generally larger, so fluorite legendary luminous pearl can be found unusual large volume.The hardness of fluorite is lower, and property is crisp, in general should be noted that and avoids sharp impacts, avoids contacting acidic materials simultaneously.
Domestic and international existing fluorite and barite recovery method is generally to adopt waterglass as the inhibitor of silicoide, and oleic acid or enuatrol reclaim as the collecting agent of fluorite mineral; The barite gravitational separation equipments that adopt reclaims more, also has the method for floating of employing to reclaim.
Summary of the invention
The object of the invention is in order to overcome deficiency of the prior art, thereby a kind of low grade fluorite and barite mineral intergrowth process for separation and purification is provided.
A mineral intergrowth process for separation and purification, comprises the steps:
Step 1: fluorite and barite association raw ore is carried out to craft select in mine, select the metallurgical fluorite of part; Remaining association ore is broken into the specification particle below 5mm through jaw formula hammer two-stage, through jigging machine sorting, strives 25% barite elimination factor; Residue ore is levigate to i.e. 100 orders of 0.15mm through grinding machine, percent of pass 85% left and right, and 0.074mm i.e. 200 orders, percent of pass 40% left and right, through four selected high-grade barite fine powders, flotation tail slurry is done fluorite again, through seven selected high-quality acid level fluorite fine powders that obtain;
Step 2: join by the part by weight of 6:1 in the deionized water of just having boiled with starch and NaOH simultaneously, stir 20min, when starch dissolves completely, then be diluted to certain density solution, code name is " MDK ";
Step 3: certain density NAS and MDK are evenly mixed in the ratio of 800: 0.6, make adjusting agent, code name is " ADF ";
Step 4: with TF 2-8for collecting agent, use " ADF " to adjust agent, under pH=8.8 condition, one roughing just can obtain the fluorite of 95.61% grade.
Step 5: mine tailing after fluorite is adopted to spiral chute gravity treatment again, further reclaim barite fine powder, fluorite and barite intergrowth chats carries out regrinding and reconcentration, residue true tailings is made dry heap through sedimentation press filtration and is processed, and the tailings that utilizes dry heap to process carries out brickmaking.
Adopt the beneficial effect of technique scheme to be:
The present invention is according to the feature of this ore properties, adopts heavy-floating combined process flow, and hybrid separation flotation is that froth pulp carries out the separated of barite and fluorite again after the two bulk flotation, and bulk flotation key is the reagent removal problem of froth pulp after bulk flotation.During bulk flotation, can obtain good index, in bulk concentrate, the bar rate of recovery can reach more than 95%, and fluorite is more than 97%.
The present invention is through the system test research to floatation process and medicament, rational technological process and regime of agent have been formulated, the particularly modification of inhibitor and composite, successfully solved the separation problem of fluorite and barite, barite content is reached to 40% fluorite and barite intergrowth mineral and guaranteeing that recovery rate in ore-dressing 85% foundation floating selects secondary acid level fluorite fine powder, make production substantially reach stable, seconds rate reaches more than 95%.
The specific embodiment
Below the present invention is described in further detail:
A mineral intergrowth process for separation and purification, comprises the steps:
Step 1: fluorite and barite association raw ore is carried out to craft select in mine, select the metallurgical fluorite of part; Remaining association ore is broken into the specification particle below 5mm through jaw formula hammer two-stage, through jigging machine sorting, strives 25% barite elimination factor; Residue ore is levigate to i.e. 100 orders of 0.15mm through grinding machine, percent of pass 85% left and right, and 0.074mm i.e. 200 orders, percent of pass 40% left and right, through four selected high-grade barite fine powders, flotation tail slurry is done fluorite again, through seven selected high-quality acid level fluorite fine powders that obtain;
Step 2: join by the part by weight of 6:1 in the deionized water of just having boiled with starch and NaOH simultaneously, stir 20min, when starch dissolves completely, then be diluted to certain density solution, code name is " MDK ";
Step 3: certain density NAS and MDK are evenly mixed in the ratio of 800: 0.6, make adjusting agent, code name is " ADF ";
Step 4: with TF 2-8for collecting agent, use " ADF " to adjust agent, under pH=8.8 condition, one roughing just can obtain the fluorite of 95.61% grade.
Step 5: mine tailing after fluorite is adopted to spiral chute gravity treatment again, further reclaim barite fine powder, fluorite and barite intergrowth chats carries out regrinding and reconcentration, residue true tailings is made dry heap through sedimentation press filtration and is processed, and the tailings that utilizes dry heap to process carries out brickmaking.
The present invention selects suitable flotation mode, formulates flotation flowsheet scheme:
According to the feature of this ore properties, adopt heavy-floating combined process flow, hybrid separation flotation is that froth pulp carries out the separated of barite and fluorite again after the two bulk flotation, bulk flotation key is the reagent removal problem of froth pulp after bulk flotation.During bulk flotation, can obtain good index, in bulk concentrate, the bar rate of recovery can reach more than 95%, and fluorite is more than 97%.
The composite heavy floating combined separation of inhibitor of the present invention
Through the system test research to floatation process and medicament, rational technological process and regime of agent have been formulated, the particularly modification of inhibitor and composite, successfully solved the separation problem of fluorite and barite, barite content is reached to 40% fluorite and barite intergrowth mineral and guaranteeing that recovery rate in ore-dressing 85% foundation floating selects secondary acid level fluorite fine powder, make production substantially reach stable, seconds rate reaches more than 95%.
Fluorite and barite association raw ore carries out craft to be selected in mine, selects the metallurgical fluorite of part; Remaining association ore is broken into the specification particle below 5mm through jaw formula hammer two-stage, through jigging machine sorting, strives 25% barite elimination factor; Residue ore is levigate to 0.15mm(100 order through grinding machine) percent of pass 85% left and right, 0.074mm(200 order) percent of pass 40% left and right, through four selected high-grade barite fine powders that obtain, flotation tail slurry is done fluorite again, through seven selected high-quality acid level fluorite fine powders (more than secondary) that obtain.After sorting fluorite, mine tailing adopts spiral chute gravity treatment again, further reclaim barite fine powder, fluorite and barite intergrowth chats carries out regrinding and reconcentration, residue true tailings is made dry heap through sedimentation press filtration and is processed, by building one of brickmaking production line, the tailings that utilizes dry heap to process carries out brickmaking, realizes part utilization of waste as resource.
The modification of inhibitor and compounded technology
Starch is a kind of polymer, can be used as bar inhibitor.By dried starch and NaOH (Gu) by the part by weight of 6: 1, join in the deionized water of just having boiled simultaneously, stir 20min, when starch dissolves completely, then be diluted to certain density solution.The causticity starch of making is like this represented with code name " MDK ".
MDK has very strong inhibitory action to barite, as consumption W>1.0 * 10 -6time, barite Floatation Rate
Below 5%.But HDF also has certain inhibitory action to fluorite, if will make barite more suppressed, fluorite also can be subject to inhibition to a certain extent.Therefore need a kind of adjusting agent adjust common inhibitor NAS to bar inhibitory action a little less than, but selectively strong, and the inhibitory action of inhibitor MDK is strong, but poor selectivity.In NAS, add a small amount of MDK, mix and be used as the fluorite adjusting agent separated with Barite flotation, can make up and use separately separately the defect existing.Therefore, this project is evenly mixed certain density NAS and MDK in the ratio of 800: 0.6, as a kind of novel adjusting agent, with code name " ADF ", represents.
Many experiments shows, is not adding under the prerequisite of any adjusting agent collecting agent TF 2-8fluorite is had to very strong collecting effect, bar collecting effect also strong test is shown simultaneously.If with TF 2-8for collecting agent, use NEW TYPE OF COMPOSITE medicament ADF to adjust agent, under pH=8.8 condition, through one roughing, can obtain fluorite grade 95.61%, the desired result of the rate of recovery 98.33%
A mineral intergrowth process for separation and purification, is characterized in that: it comprises the steps:
Step 1: fluorite and barite association raw ore is carried out to craft select in mine, select the metallurgical fluorite of part; Remaining association ore is broken into the specification particle below 5mm through jaw formula hammer two-stage, through jigging machine sorting, strives 25% barite elimination factor; Residue ore is levigate to i.e. 100 orders of 0.15mm through grinding machine, percent of pass 85% left and right, and 0.074mm i.e. 200 orders, percent of pass 40% left and right, through four selected high-grade barite fine powders, flotation tail slurry is done fluorite again, through seven selected high-quality acid level fluorite fine powders that obtain;
Step 2: join by the part by weight of 6:1 in the deionized water of just having boiled with starch and NaOH simultaneously, stir 20min, when starch dissolves completely, then be diluted to certain density solution, code name is " MDK ";
Step 3: certain density NAS and MDK are evenly mixed in the ratio of 800: 0.6, make adjusting agent, code name is " ADF ";
Step 4: with TF 2-8for collecting agent, use " ADF " to adjust agent, under pH=8.8 condition, one roughing just can obtain the fluorite of 95.61% grade.
Step 5: mine tailing after fluorite is adopted to spiral chute gravity treatment again, further reclaim barite fine powder, fluorite and barite intergrowth chats carries out regrinding and reconcentration, residue true tailings is made dry heap through sedimentation press filtration and is processed, and the tailings that utilizes dry heap to process carries out brickmaking.

Claims (1)

1. a low grade fluorite and barite mineral intergrowth process for separation and purification, is characterized in that: it comprises the steps:
Step 1: fluorite and barite association raw ore is carried out to craft select in mine, select the metallurgical fluorite of part; Remaining association ore is broken into the specification particle below 5mm through jaw formula hammer two-stage, through jigging machine sorting, strives 25% barite elimination factor; Residue ore is levigate to i.e. 100 orders of 0.15mm through grinding machine, percent of pass 85% left and right, and 0.074mm i.e. 200 orders, percent of pass 40% left and right, through four selected high-grade barite fine powders, flotation tail slurry is done fluorite again, through seven selected high-quality acid level fluorite fine powders that obtain;
Step 2: join by the part by weight of 6:1 in the deionized water of just having boiled with starch and NaOH simultaneously, stir 20min, when starch dissolves completely, then be diluted to certain density solution, code name is " MDK ";
Step 3: certain density NAS and MDK are evenly mixed in the ratio of 800: 0.6, make adjusting agent, code name is " ADF ";
Step 4: with TF 2-8for collecting agent, use " ADF " to adjust agent, under pH=8.8 condition, one roughing just can obtain the fluorite of 95.61% grade.
Step 5: mine tailing after fluorite is adopted to spiral chute gravity treatment again, further reclaim barite fine powder, fluorite and barite intergrowth chats carries out regrinding and reconcentration, residue true tailings is made dry heap through sedimentation press filtration and is processed, and the tailings that utilizes dry heap to process carries out brickmaking.
CN201310505493.XA 2013-10-24 2013-10-24 Method for separating and purifying low-grade fluorite barite paragenetic ores Pending CN103521344A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310505493.XA CN103521344A (en) 2013-10-24 2013-10-24 Method for separating and purifying low-grade fluorite barite paragenetic ores

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310505493.XA CN103521344A (en) 2013-10-24 2013-10-24 Method for separating and purifying low-grade fluorite barite paragenetic ores

Publications (1)

Publication Number Publication Date
CN103521344A true CN103521344A (en) 2014-01-22

Family

ID=49923905

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310505493.XA Pending CN103521344A (en) 2013-10-24 2013-10-24 Method for separating and purifying low-grade fluorite barite paragenetic ores

Country Status (1)

Country Link
CN (1) CN103521344A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104801417A (en) * 2014-01-23 2015-07-29 陈瑞文 Low-grade fluorite ore beneficiation process route assay method and process method
CN104826738A (en) * 2015-04-24 2015-08-12 中蓝连海设计研究院 Staged floatation method for separating low-grade calcite-barite-fluorite type ore
CN106269218A (en) * 2016-11-02 2017-01-04 广西大学 A kind of method reclaiming barite from fluorite mine tailing
CN108176517A (en) * 2017-12-28 2018-06-19 烟台东方冶金设计研究院有限公司 A kind of ore-dressing technique of barite ore
CN108940564A (en) * 2018-06-15 2018-12-07 酒泉钢铁(集团)有限责任公司 A kind of low-grade barite classification sorting process of fine fraction
CN109261372A (en) * 2018-08-13 2019-01-25 昆明理工大学 A kind of method of substep recycling fluorite and barite
CN110026286A (en) * 2019-01-07 2019-07-19 金石资源集团股份有限公司 A kind of fluorite and barite class mine gravity separation technique
CN110385197A (en) * 2019-08-02 2019-10-29 浙江紫晶矿业有限公司 A kind of the gravity separation system and technique of barite fluorite associated minerals
CN111298956A (en) * 2020-03-10 2020-06-19 中国地质科学院矿产综合利用研究所 Separation method of low-grade fluorite barite paragenic ore rich in calcite
CN115254440A (en) * 2022-08-09 2022-11-01 东北大学 Application of curdlan as inhibitor in fluorite ore flotation and application method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030213730A1 (en) * 2002-02-22 2003-11-20 Srdjan Bulatovic Process for separation of bastnaesite from weathered bastnaesite barite fluorite ores
CN101585016A (en) * 2009-06-22 2009-11-25 广西大学 Low grade fluorite and barite flotation separation method
CN102151615A (en) * 2010-12-21 2011-08-17 北京矿冶研究总院 Fluorite flotation method in high-salinity alkaline water environment
CN102616824A (en) * 2012-04-09 2012-08-01 武汉理工大学 Method for preparing ultrafine high-whiteness active barite powder

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030213730A1 (en) * 2002-02-22 2003-11-20 Srdjan Bulatovic Process for separation of bastnaesite from weathered bastnaesite barite fluorite ores
CN101585016A (en) * 2009-06-22 2009-11-25 广西大学 Low grade fluorite and barite flotation separation method
CN102151615A (en) * 2010-12-21 2011-08-17 北京矿冶研究总院 Fluorite flotation method in high-salinity alkaline water environment
CN102616824A (en) * 2012-04-09 2012-08-01 武汉理工大学 Method for preparing ultrafine high-whiteness active barite powder

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
周晓四等: "萤石-重晶石矿石综合利用研究", 《昆明冶金高等专科学校学报》, vol. 17, no. 4, 31 December 2001 (2001-12-31) *
张德海等: "萤石与重晶石浮选分离的新型抑制剂", 《化工矿物与加工》, no. 9, 30 September 2000 (2000-09-30) *

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104801417A (en) * 2014-01-23 2015-07-29 陈瑞文 Low-grade fluorite ore beneficiation process route assay method and process method
CN104826738A (en) * 2015-04-24 2015-08-12 中蓝连海设计研究院 Staged floatation method for separating low-grade calcite-barite-fluorite type ore
CN104826738B (en) * 2015-04-24 2017-06-16 中蓝连海设计研究院 A kind of stepped-flotation separation method for separating low grade calcite barite fluorite type ore
CN106269218A (en) * 2016-11-02 2017-01-04 广西大学 A kind of method reclaiming barite from fluorite mine tailing
CN108176517B (en) * 2017-12-28 2019-12-27 烟台金鹏矿业机械有限公司 Ore dressing process for barite ore
CN108176517A (en) * 2017-12-28 2018-06-19 烟台东方冶金设计研究院有限公司 A kind of ore-dressing technique of barite ore
CN108940564A (en) * 2018-06-15 2018-12-07 酒泉钢铁(集团)有限责任公司 A kind of low-grade barite classification sorting process of fine fraction
CN109261372A (en) * 2018-08-13 2019-01-25 昆明理工大学 A kind of method of substep recycling fluorite and barite
CN110026286A (en) * 2019-01-07 2019-07-19 金石资源集团股份有限公司 A kind of fluorite and barite class mine gravity separation technique
CN110385197A (en) * 2019-08-02 2019-10-29 浙江紫晶矿业有限公司 A kind of the gravity separation system and technique of barite fluorite associated minerals
CN110385197B (en) * 2019-08-02 2021-08-06 浙江紫晶矿业有限公司 Gravity separation system and process for barite fluorite associated ore
CN111298956A (en) * 2020-03-10 2020-06-19 中国地质科学院矿产综合利用研究所 Separation method of low-grade fluorite barite paragenic ore rich in calcite
CN111298956B (en) * 2020-03-10 2020-11-24 中国地质科学院矿产综合利用研究所 Separation method of low-grade fluorite barite paragenic ore rich in calcite
WO2021179814A1 (en) * 2020-03-10 2021-09-16 中国地质科学院矿产综合利用研究所 Separation method for low-grade fluorite barite paragenic ore rich in calcite
US20220203377A1 (en) * 2020-03-10 2022-06-30 Institute of Multipurpose Utilization of Mineral Resources, CAGS Method for Separating Calcite-rich Low-grade Fluorite Barite Paragenic Ore
US11478801B2 (en) * 2020-03-10 2022-10-25 Institute of Multipurpose Utilization of Mineral Resources, CAGS Method for separating calcite-rich low-grade fluorite barite paragenic ore
CN115254440A (en) * 2022-08-09 2022-11-01 东北大学 Application of curdlan as inhibitor in fluorite ore flotation and application method thereof

Similar Documents

Publication Publication Date Title
CN103521344A (en) Method for separating and purifying low-grade fluorite barite paragenetic ores
CN102294296B (en) Floatation and enrichment process for silicon-calcium mass type fluorite ores
CN102744151B (en) Branch flotation technology for silicon calcium collophanite
CN110694788B (en) Beneficiation method for high-calcium-magnesium type low-grade spodumene ore
CN105689149B (en) A kind of bi-anti-symmetric matrix method of suitable silicon calcium quality ore
CN111302377A (en) Method for removing impurities and whitening ardealite
CN109453891B (en) High sesqui-collophanite spiral chute re-floating combined process
CN106423536B (en) A kind of substep ore grinding floatation process anyway handling silicon calcium collophanite
CN102886305B (en) A kind of Bayan Obo mine tailing selects scandium method
CN110860367B (en) Gravity separation method for gibbsite type bauxite
CN104258979A (en) Feldspar quarry beneficiation process
CN101298066B (en) Floatation process for removing quartz from giobertite
CN104190533B (en) Method for recovering quartz in iron tailing and quartz mine prepared by same
CN103240169A (en) Gravity-flotation combined phosphorite separation process
WO2019218295A1 (en) Efficient purification method for high-silicon, high-calcium, high-iron and low-grade brucite
CN110369121A (en) Screening-gravity separation technology is added before phosphorus ore direct flotation operation
CN111170350A (en) Beneficiation method for quartz-calcite type fluorite ore
CN109847923B (en) Recovery process of extremely-poor weathered primary ilmenite
CN216711610U (en) Ardealite impurity removal and purification system
CN115418498B (en) Treatment method of carbonate lithium clay
CN108940576A (en) A kind of potassium albite production method of low cost
CN105032601A (en) Tailing disposal method
CN105127003A (en) Method for recycling single quartz and feldspar from gold flotation tailings
CN105964401B (en) Mineral separation process for high-iron nepheline ore
CN114849903A (en) Mineral separation process for efficiently extracting silica micropowder from quartz tailing powder

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20140122