CN104874486A - Flotation method for recovering microgranular mica - Google Patents
Flotation method for recovering microgranular mica Download PDFInfo
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- CN104874486A CN104874486A CN201510283075.XA CN201510283075A CN104874486A CN 104874486 A CN104874486 A CN 104874486A CN 201510283075 A CN201510283075 A CN 201510283075A CN 104874486 A CN104874486 A CN 104874486A
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- dispersant
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- 229910052618 mica group Inorganic materials 0.000 title claims abstract description 99
- 239000010445 mica Substances 0.000 title claims abstract description 98
- 238000000034 method Methods 0.000 title claims abstract description 73
- 238000005188 flotation Methods 0.000 title claims abstract description 34
- 239000002270 dispersing agent Substances 0.000 claims abstract description 49
- 239000003112 inhibitor Substances 0.000 claims abstract description 49
- 239000004088 foaming agent Substances 0.000 claims abstract description 31
- 239000012141 concentrate Substances 0.000 claims abstract description 24
- 238000011084 recovery Methods 0.000 claims abstract description 20
- 238000000227 grinding Methods 0.000 claims abstract description 11
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 48
- 239000003795 chemical substances by application Substances 0.000 claims description 45
- 238000007670 refining Methods 0.000 claims description 36
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical group [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 21
- 238000007667 floating Methods 0.000 claims description 20
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 claims description 16
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 claims description 16
- 239000004115 Sodium Silicate Substances 0.000 claims description 12
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical group [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 claims description 12
- 235000019795 sodium metasilicate Nutrition 0.000 claims description 12
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical group [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 12
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 10
- 239000003002 pH adjusting agent Substances 0.000 claims description 9
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 8
- 238000003801 milling Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000002245 particle Substances 0.000 claims description 5
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 2
- 230000002000 scavenging effect Effects 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 239000000243 solution Substances 0.000 description 9
- 206010024796 Logorrhoea Diseases 0.000 description 5
- 229910052500 inorganic mineral Inorganic materials 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000011707 mineral Substances 0.000 description 5
- YGANSGVIUGARFR-UHFFFAOYSA-N dipotassium dioxosilane oxo(oxoalumanyloxy)alumane oxygen(2-) Chemical compound [O--].[K+].[K+].O=[Si]=O.O=[Al]O[Al]=O YGANSGVIUGARFR-UHFFFAOYSA-N 0.000 description 3
- 229910052627 muscovite Inorganic materials 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 229910052628 phlogopite Inorganic materials 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910000323 aluminium silicate Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052626 biotite Inorganic materials 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229910052629 lepidolite Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Abstract
The invention relates to a flotation method for recovering microgranular mica and belongs to the technical field of preparing. The floatation method includes the steps of: grinding and mixing raw ores to acquire ore pulp; adding a pH regulator, a dispersant, an inhibitor, a collector I, a collector II and a foaming agent into the acquired ore pulp in sequence for flotation, wherein roughed in-tank products are rough middlings and froth products acquired through roughing are rough concentrates; scavenging the acquired rough middlings, wherein scavenged froth products are scavenged middlings which are returned to rough operation for reconcentration, and products in a floatation tank are final tailings; concentrating the acquired rough concentrates for more than three times, wherein the acquired froth products acquired during the last concentrating are mica concentrates. The flotation method can effectively improve the operation recovery rate of mica flotation, is applicable to sorting of low-grade mica ores very much, and can improve the flotation environment and save reagent cost of flotation.
Description
Technical field
The present invention relates to a kind of method for floating reclaiming microfine mica, belong to technical field of beneficiation.
Background technology
Mica is containing metallic elements such as Li, Na, K, Mg, Zn, Fe and V and has the general name containing aluminosilicate of layer structure.From the type of mineral, mica can be divided into: the classifications such as muscovite, biotite, phlogopite and lepidolite.Because mica has excellent insulating properties, chemical stability, heat resistance, electric property and mechanical performance, thus it is widely used in the industries such as electronics, building, coating, papermaking, pottery, plastics and decoration cosmetic as a kind of raw mineral materials.Industrial conventional mica mineral raw material has mica splitting and the garrulous mica of muscovite and phlogopite, and sericite.The mica resource of China is very abundant, and multinomial mica resource reserve is at the forefront in the world, and the muscovite resource reserve of China occupies third place in the world, is only second to India and the former Soviet Union; The garrulous mica resource reserve of China occupies second place of the world, is only second to the U.S..
What form with it sharp contrast is the selecting and purchasing technology backwardness relatively of China's mica, and the selecting and purchasing rate of recovery of MICA entirety is still less than 50%, and especially part is containing the raw ore of a large amount of particulate mica, and its flotation recovery rate is even less than 30%.Traditional mica floatation process comprises acid cation floatation and alkali anion-cationic flotation method, although medicament and the process system of these techniques are simple, but these traditional handicrafts are subject to sludge interference, how desliming process can be used in advance in production, to ensure normally carrying out of flotation operation, a large amount of microfine micas will be lost in the technique of desliming, and this have impact on the recycled in its entirety of mica greatly.In addition, the flotation conditions of traditional mica floatation process is extremely disliked slightly, and require high to floatation equipment is corrosion resistant, and the consumption of floating agent and cost are also relatively high.
Summary of the invention
For above-mentioned prior art Problems existing and deficiency, the invention provides a kind of method for floating reclaiming microfine mica.The method can improve the operation recovery of mica flotation effectively, be extremely applicable to sorting of low-grade MICA, and this technique can improve the environment of flotation, and save the reagent cost of flotation, the present invention is achieved through the following technical solutions.
Reclaim a method for floating for microfine mica, its step comprises:
(1) raw ore is carried out ore grinding and sizes mixing obtaining ore pulp;
(2) ore pulp that step (1) obtains is added pH adjusting agent, dispersant, inhibitor, collecting agent I, collecting agent II and foaming agent successively and carry out flotation, in the groove roughly selected, product is that the froth pulp roughly selecting acquisition is rougher concentration in order to roughly select chats;
(3) chats of roughly selecting step (2) obtained adds collecting agent I, collecting agent II and foaming agent and scans, and the froth pulp scanned for scanning chats, and returns and roughly selects operation and select, and in flotation cell, product is true tailings;
(4) rougher concentration that step (2) obtains is carried out more than 3 times selected, dispersant and inhibitor is added successively for the first time in refining process, add in second time refining process dispersant and inhibitor be first time refining process addition general, follow-up refining process is without the need to adding dispersant and inhibitor, the at every turn selected froth pulp being the selected operation of the preceding paragraph to ore deposit, in at every turn selected groove, product all returns the selected operation of the preceding paragraph, in the groove that first time is selected, product returns and roughly selects operation, and the froth pulp of last selected acquisition is mica concentrate;
Wherein collecting agent I is the mixture of a kind of or both arbitrary proportions of enuatrol and dodecyl sodium sulfate, and collecting agent II is the mixture of a kind of or both arbitrary proportions of lauryl amine and octadecylamine.
The method for floating of described recovery microfine mica, its concrete steps are as follows:
(1) raw ore is carried out ore grinding 2 ~ 5min, ore milling concentration is 60 ~ 65wt%, and adds water and size mixing that to obtain concentration be 20 ~ 25wt% ore pulp;
(2) ore pulp that step (1) obtains is added 100 ~ 300g/tpH adjusting agent, 100 ~ 300g/t dispersant, 200 ~ 600g/t inhibitor, 20 ~ 100g/t collecting agent I, 10 ~ 50g/t collecting agent II and 20 ~ 100g/t foaming agent successively and carry out flotation, in the groove roughly selected, product is that the froth pulp roughly selecting acquisition is rougher concentration in order to roughly select chats;
(3) roughly select chats interpolation 20 ~ 100g/t collecting agent I, 10 ~ 50g/t collecting agent II and the 20 ~ 100g/t foaming agent that step (2) are obtained are scanned, the froth pulp scanned is for scanning chats, and return and roughly select operation and select, in flotation cell, product is true tailings;
(4) rougher concentration that step (2) obtains is carried out more than 3 times selected, 50 ~ 150g/t dispersant and 100 ~ 300g/t inhibitor is added successively for the first time in refining process, the half that dispersant and inhibitor are first time refining process addition is added in second time refining process, follow-up refining process is without the need to adding dispersant and inhibitor, the at every turn selected froth pulp being the selected operation of the preceding paragraph to ore deposit, in at every turn selected groove, product all returns the selected operation of the preceding paragraph, in the groove that first time is selected, product returns and roughly selects operation, the froth pulp of last selected acquisition is mica concentrate,
Wherein collecting agent I is the mixture of a kind of or both arbitrary proportions of enuatrol and dodecyl sodium sulfate, and purity is technical grade, and collecting agent II is the mixture of a kind of or both arbitrary proportions of lauryl amine and octadecylamine, and purity is technical grade.
Described raw ore is refer to the high shale content MICA containing more microfine mica particles, specifically has micaceous iron selection tailings, high shale content sericite mica ore and high shale content garrulous mica mine tailing etc.More representational in high shale content MICA is micaceous iron selection tailings, in this type of ore deposit general, mica content is 10 ~ 20%, granularity is comparatively thin, and in ore, the mineral content of-45 μm of grades is at about 50wt%, and mica then has more than 60% to be distributed in the mineral of-45 μm of grades.
Described pH adjusting agent is NaOH, and purity is technical grade.
Described dispersant is calgon, and purity is technical grade.
Described inhibitor is sodium metasilicate, and purity is technical grade.
Described foaming agent is terpenic oil, and purity is technical grade.
Described collecting agent II before use, need adopt the hydrochloric acid of 15wt% to dissolve in advance, and collecting agent II is 1:3 with the mass ratio of hydrochloric acid.
In the process of above-mentioned steps (4), concentration times is 3 ~ 5 times.
The material mass added needed for above-mentioned unit g/t represents and the ratio of raw ore per ton.
The mica concentrate (froth pulp of last selected acquisition) of described final acquisition be mica grade at more than 95wt.%, the mica rate of recovery is more than 70%.
The invention has the beneficial effects as follows:
1, the high shale content MICA that the present invention is directed to containing more microfine mica particles is raw material, adopt one thick-sweep-repeatedly selected flotation flowsheet, obtain mica grade at more than 95wt.% and the mica rate of recovery mica concentrate more than 70%, this method can reclaim the mica particles of microfine effectively, significantly improves the flotation operation rate of recovery of high shale content MICA.
2, the present invention is to the rod mill ore grinding carried out to ore deposit in short-term, mica particles effectively can be protected not overground, and can effectively reduce the consumption of floating agent.
3, the present invention can expand the range of choices of mica raw ore effectively, increases effective reserves of national mica resource.
4, use this technique to carry out mica to mine tailing to select again, significantly can reduce the solid discharge amount of mine tailing, be conducive to the protection of ecological environment.
5, this method technological process is reasonable, and flowage structure is simple, wider to the adaptability of raw material, is easy to industrializing implementation.
Accompanying drawing explanation
Fig. 1 is present invention process flow chart.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Embodiment 1
As shown in Figure 1, reclaim the method for floating of microfine mica, its concrete steps are as follows:
(1) raw ore is carried out ore grinding 2min, ore milling concentration is 60wt%, and adds water and size mixing that to obtain concentration be 20wt% ore pulp; Raw ore is the iron tailings containing mica from Yunnan Yuxi, and mica content is 11.6wt%;
(2) ore pulp that step (1) obtains is added 200g/tpH adjusting agent, 200g/t dispersant, 400g/t inhibitor, 40g/t collecting agent I, 20g/t collecting agent II and 20g/t foaming agent successively and carry out flotation, in the groove roughly selected, product is that the froth pulp roughly selecting acquisition is rougher concentration in order to roughly select chats; Wherein pH adjusting agent is NaOH, and dispersant is calgon, and inhibitor is sodium metasilicate, collecting agent I is dodecyl sodium sulfate, collecting agent II is lauryl amine solution, and lauryl amine is the hydrochloric acid that 1:3 adds that concentration is 15wt% according to the mass ratio with hydrochloric acid, and foaming agent is terpenic oil;
(3) chats of roughly selecting step (2) obtained adds 20g/t collecting agent I, 10g/t collecting agent II and 20g/t foaming agent and scans, and the froth pulp scanned for scanning chats, and returns and roughly selects operation and select, and in flotation cell, product is true tailings; Wherein collecting agent I is dodecyl sodium sulfate, and collecting agent II is lauryl amine solution, and lauryl amine is the hydrochloric acid that 1:3 adds that concentration is 15wt% according to the mass ratio with hydrochloric acid, and foaming agent is terpenic oil;
(4) rougher concentration that step (2) obtains is carried out 5 times selected, 100g/t dispersant and 200g/t inhibitor is added successively for the first time in refining process, the half that dispersant and inhibitor are first time refining process addition is added in second time refining process, follow-up refining process is without the need to adding dispersant and inhibitor, the at every turn selected froth pulp being the selected operation of the preceding paragraph to ore deposit, in at every turn selected groove, product all returns the selected operation of the preceding paragraph, in the groove that first time is selected, product returns and roughly selects operation, the froth pulp of last selected acquisition is mica concentrate, wherein dispersant is calgon, and inhibitor is sodium metasilicate, and the productive rate of mica concentrate is 8.8%, and in concentrate, the grade of mica is 95.6wt.%, the rate of recovery of mica is 72.5%.
Embodiment 2
As shown in Figure 1, reclaim the method for floating of microfine mica, its concrete steps are as follows:
(1) raw ore is carried out ore grinding 3min, ore milling concentration is 65wt%, and adds water and size mixing that to obtain concentration be 25wt% ore pulp; Raw ore is the iron tailings containing mica from Anhui Maanshan, and mica content is 20.3wt%;
(2) ore pulp that step (1) obtains is added 160g/tpH adjusting agent, 160g/t dispersant, 320g/t inhibitor, 60g/t collecting agent I, 30g/t collecting agent II and 30g/t foaming agent successively and carry out flotation, in the groove roughly selected, product is that the froth pulp roughly selecting acquisition is rougher concentration in order to roughly select chats; Wherein pH adjusting agent is NaOH, and dispersant is calgon, and inhibitor is sodium metasilicate, collecting agent I is enuatrol, collecting agent II is lauryl amine solution, and lauryl amine is the hydrochloric acid that 1:3 adds that concentration is 15wt% according to the mass ratio with hydrochloric acid, and foaming agent is terpenic oil;
(3) chats of roughly selecting step (2) obtained adds 30g/t collecting agent I, 15g/t collecting agent II and 25g/t foaming agent and scans, and the froth pulp scanned for scanning chats, and returns and roughly selects operation and select, and in flotation cell, product is true tailings; Wherein collecting agent I is enuatrol, and collecting agent II is lauryl amine solution, and lauryl amine is the hydrochloric acid that 1:3 adds that concentration is 15wt% according to the mass ratio with hydrochloric acid, and foaming agent is terpenic oil;
(4) rougher concentration that step (2) obtains is carried out 4 times selected, 80g/t dispersant and 160g/t inhibitor is added successively for the first time in refining process, the half that dispersant and inhibitor are first time refining process addition is added in second time refining process, follow-up refining process is without the need to adding dispersant and inhibitor, the at every turn selected froth pulp being the selected operation of the preceding paragraph to ore deposit, in at every turn selected groove, product all returns the selected operation of the preceding paragraph, in the groove that first time is selected, product returns and roughly selects operation, the froth pulp of last selected acquisition is mica concentrate, wherein dispersant is calgon, and inhibitor is sodium metasilicate, and the productive rate of mica concentrate is 18.7%, and in concentrate, the grade of mica is 97.3wt.%, the rate of recovery of mica is 89.6%.
Embodiment 3
As shown in Figure 1, reclaim the method for floating of microfine mica, its concrete steps are as follows:
(1) raw ore is carried out ore grinding 4min, ore milling concentration is 62wt%, and adds water and size mixing that to obtain concentration be 24wt% ore pulp; Raw ore is the sericite mica ore from Anhui Chuzhou, and mica content is 45.7wt%;
(2) ore pulp that step (1) obtains is added 120g/tpH adjusting agent, 120g/t dispersant, 240g/t inhibitor, 100g/t collecting agent I, 50g/t collecting agent II and 40g/t foaming agent successively and carry out flotation, in the groove roughly selected, product is that the froth pulp roughly selecting acquisition is rougher concentration in order to roughly select chats; Wherein pH adjusting agent is NaOH, dispersant is calgon, inhibitor is sodium metasilicate, collecting agent I is enuatrol, collecting agent II for mass ratio be lauryl amine and the octadecylamine mixed solution of 1:2, lauryl amine and octadecylamine gross mass are the hydrochloric acid that 1:3 adds that concentration is 15wt% according to the mass ratio with hydrochloric acid, and foaming agent is terpenic oil;
(3) chats of roughly selecting step (2) obtained adds 25g/t collecting agent I, 12g/t collecting agent II and 80g/t foaming agent and scans, and the froth pulp scanned for scanning chats, and returns and roughly selects operation and select, and in flotation cell, product is true tailings; Wherein collecting agent I is enuatrol, collecting agent II for mass ratio be lauryl amine and the octadecylamine mixed solution of 1:2, lauryl amine and octadecylamine gross mass are the hydrochloric acid that 1:3 adds that concentration is 15wt% according to the mass ratio with hydrochloric acid, and foaming agent is terpenic oil;
(4) rougher concentration that step (2) obtains is carried out 3 times selected, 150g/t dispersant and 300g/t inhibitor is added successively for the first time in refining process, the half that dispersant and inhibitor are first time refining process addition is added in second time refining process, follow-up refining process is without the need to adding dispersant and inhibitor, the at every turn selected froth pulp being the selected operation of the preceding paragraph to ore deposit, in at every turn selected groove, product all returns the selected operation of the preceding paragraph, in the groove that first time is selected, product returns and roughly selects operation, the froth pulp of last selected acquisition is mica concentrate, wherein dispersant is calgon, and inhibitor is sodium metasilicate, and the productive rate of mica concentrate is 42.4%, and in concentrate, the grade of mica is 98.1wt.%, the rate of recovery of mica is 91.0%.
Embodiment 4
As shown in Figure 1, reclaim the method for floating of microfine mica, its concrete steps are as follows:
(1) raw ore is carried out ore grinding 5min, ore milling concentration is 60wt%, and adds water and size mixing that to obtain concentration be 20wt% ore pulp; Raw ore is the garrulous mica mine tailing of the high shale content from Lingshou, Hebei, and mica content is 26.2wt%;
(2) ore pulp that step (1) obtains is added 300g/tpH adjusting agent, 300g/t dispersant, 600g/t inhibitor, 50g/t collecting agent I, 25g/t collecting agent II and 20g/t foaming agent successively and carry out flotation, in the groove roughly selected, product is that the froth pulp roughly selecting acquisition is rougher concentration in order to roughly select chats; Wherein pH adjusting agent is NaOH, and dispersant is calgon, and inhibitor is sodium metasilicate, collecting agent I is enuatrol, collecting agent II is octadecylamine solution, and octadecylamine is the hydrochloric acid that 1:3 adds that concentration is 15wt% according to the mass ratio with hydrochloric acid, and foaming agent is terpenic oil;
(3) chats of roughly selecting step (2) obtained adds 25g/t collecting agent I, 12g/t collecting agent II and 40g/t foaming agent and scans, and the froth pulp scanned for scanning chats, and returns and roughly selects operation and select, and in flotation cell, product is true tailings; Wherein collecting agent I is enuatrol, and collecting agent II is octadecylamine solution, and octadecylamine is the hydrochloric acid that 1:3 adds that concentration is 15wt% according to the mass ratio with hydrochloric acid, and foaming agent is terpenic oil;
(4) rougher concentration that step (2) obtains is carried out 4 times selected, 150g/t dispersant and 300g/t inhibitor is added successively for the first time in refining process, the half that dispersant and inhibitor are first time refining process addition is added in second time refining process, follow-up refining process is without the need to adding dispersant and inhibitor, the at every turn selected froth pulp being the selected operation of the preceding paragraph to ore deposit, in at every turn selected groove, product all returns the selected operation of the preceding paragraph, in the groove that first time is selected, product returns and roughly selects operation, the froth pulp of last selected acquisition is mica concentrate, wherein dispersant is calgon, and inhibitor is sodium metasilicate, and the productive rate of mica concentrate is 24.1%, and in concentrate, the grade of mica is 98.8wt.%, the rate of recovery of mica is 90.9%.
Embodiment 5
As shown in Figure 1, reclaim the method for floating of microfine mica, its concrete steps are as follows:
(1) raw ore is carried out ore grinding 4min, ore milling concentration is 64wt%, and adds water and size mixing that to obtain concentration be 25wt% ore pulp; Raw ore is the garrulous mica mine tailing of the high shale content from Lingshou, Hebei, and mica content is 26.2wt%;
(2) ore pulp that step (1) obtains is added 100g/tpH adjusting agent, 100g/t dispersant, 200g/t inhibitor, 20g/t collecting agent I, 10g/t collecting agent II and 100g/t foaming agent successively and carry out flotation, in the groove roughly selected, product is that the froth pulp roughly selecting acquisition is rougher concentration in order to roughly select chats; Wherein pH adjusting agent is NaOH, dispersant is calgon, inhibitor is sodium metasilicate, collecting agent I is the mixture of mass ratio 1:1 enuatrol and dodecyl sodium sulfate, collecting agent II is octadecylamine solution, octadecylamine is the hydrochloric acid that 1:3 adds that concentration is 15wt% according to the mass ratio with hydrochloric acid, and foaming agent is terpenic oil;
(3) chats of roughly selecting step (2) obtained adds 100g/t collecting agent I, 50g/t collecting agent II and 100g/t foaming agent and scans, and the froth pulp scanned for scanning chats, and returns and roughly selects operation and select, and in flotation cell, product is true tailings; Wherein collecting agent I is the mixture of mass ratio 1:1 enuatrol and dodecyl sodium sulfate, and collecting agent II is octadecylamine solution, and octadecylamine is the hydrochloric acid that 1:3 adds that concentration is 15wt% according to the mass ratio with hydrochloric acid, and foaming agent is terpenic oil;
(4) rougher concentration that step (2) obtains is carried out 4 times selected, 50g/t dispersant and 100g/t inhibitor is added successively for the first time in refining process, the half that dispersant and inhibitor are first time refining process addition is added in second time refining process, follow-up refining process is without the need to adding dispersant and inhibitor, the at every turn selected froth pulp being the selected operation of the preceding paragraph to ore deposit, in at every turn selected groove, product all returns the selected operation of the preceding paragraph, in the groove that first time is selected, product returns and roughly selects operation, the froth pulp of last selected acquisition is mica concentrate, wherein dispersant is calgon, and inhibitor is sodium metasilicate, and the productive rate of mica concentrate is 25.2%, and in concentrate, the grade of mica is 99.2wt.%, the rate of recovery of mica is 95.4%.
Below by reference to the accompanying drawings the specific embodiment of the present invention is explained in detail, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from present inventive concept.
Claims (8)
1. reclaim a method for floating for microfine mica, it is characterized in that step comprises:
(1) raw ore is carried out ore grinding and sizes mixing obtaining ore pulp;
(2) ore pulp that step (1) obtains is added pH adjusting agent, dispersant, inhibitor, collecting agent I, collecting agent II and foaming agent successively and carry out flotation, in the groove roughly selected, product is that the froth pulp roughly selecting acquisition is rougher concentration in order to roughly select chats;
(3) chats of roughly selecting step (2) obtained adds collecting agent I, collecting agent II and foaming agent and scans, and the froth pulp scanned for scanning chats, and returns and roughly selects operation and select, and in flotation cell, product is true tailings;
(4) rougher concentration that step (2) obtains is carried out more than 3 times selected, dispersant and inhibitor is added successively for the first time in refining process, add in second time refining process dispersant and inhibitor be first time refining process addition general, follow-up refining process is without the need to adding dispersant and inhibitor, the at every turn selected froth pulp being the selected operation of the preceding paragraph to ore deposit, in at every turn selected groove, product all returns the selected operation of the preceding paragraph, in the groove that first time is selected, product returns and roughly selects operation, and the froth pulp of last selected acquisition is mica concentrate;
Wherein collecting agent I is the mixture of a kind of or both arbitrary proportions of enuatrol and dodecyl sodium sulfate, and collecting agent II is the mixture of a kind of or both arbitrary proportions of lauryl amine and octadecylamine.
2. the method for floating of recovery microfine mica according to claim 1, is characterized in that concrete steps are as follows:
(1) raw ore is carried out ore grinding 2 ~ 5min, ore milling concentration is 60 ~ 65wt%, and adds water and size mixing that to obtain concentration be 20 ~ 25wt% ore pulp;
(2) ore pulp that step (1) obtains is added 100 ~ 300g/tpH adjusting agent, 100 ~ 300g/t dispersant, 200 ~ 600g/t inhibitor, 20 ~ 100g/t collecting agent I, 10 ~ 50g/t collecting agent II and 20 ~ 100g/t foaming agent successively and carry out flotation, in the groove roughly selected, product is that the froth pulp roughly selecting acquisition is rougher concentration in order to roughly select chats;
(3) roughly select chats interpolation 20 ~ 100g/t collecting agent I, 10 ~ 50g/t collecting agent II and the 20 ~ 100g/t foaming agent that step (2) are obtained are scanned, the froth pulp scanned is for scanning chats, and return and roughly select operation and select, in flotation cell, product is true tailings;
(4) rougher concentration that step (2) obtains is carried out more than 3 times selected, 50 ~ 150g/t dispersant and 100 ~ 300g/t inhibitor is added successively for the first time in refining process, the half that dispersant and inhibitor are first time refining process addition is added in second time refining process, follow-up refining process is without the need to adding dispersant and inhibitor, the at every turn selected froth pulp being the selected operation of the preceding paragraph to ore deposit, in at every turn selected groove, product all returns the selected operation of the preceding paragraph, in the groove that first time is selected, product returns and roughly selects operation, the froth pulp of last selected acquisition is mica concentrate,
Wherein collecting agent I is the mixture of a kind of or both arbitrary proportions of enuatrol and dodecyl sodium sulfate, and collecting agent II is the mixture of a kind of or both arbitrary proportions of lauryl amine and octadecylamine.
3. the method for floating of recovery microfine mica according to claim 1 and 2, is characterized in that: described raw ore is the high shale content MICA that microfine MICA refers to containing more microfine mica particles.
4. the method for floating of recovery microfine mica according to claim 1 and 2, is characterized in that: described pH adjusting agent is NaOH.
5. the method for floating of recovery microfine mica according to claim 1 and 2, is characterized in that: described dispersant is calgon.
6. the method for floating of recovery microfine mica according to claim 1 and 2, is characterized in that: described inhibitor is sodium metasilicate.
7. the method for floating of recovery microfine mica according to claim 1 and 2, is characterized in that: described foaming agent is terpenic oil.
8. the method for floating of recovery microfine mica according to claim 1 and 2, is characterized in that: described collecting agent II before use, need adopt the hydrochloric acid of 15wt% to dissolve in advance, and collecting agent II is 1:3 with the mass ratio of hydrochloric acid.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106423577A (en) * | 2016-11-02 | 2017-02-22 | 广西大学 | Preparation method of olivine collecting agent |
| CN110586330A (en) * | 2019-10-28 | 2019-12-20 | 江西理工大学应用科学学院 | Flotation process for recovering micro-fine mica from micro-fine iron tailings |
| CN113877721A (en) * | 2021-07-01 | 2022-01-04 | 中南大学 | Method for deeply removing micro-fine particle black and white mica from granite type metal ore tailings |
| CN114082521A (en) * | 2021-11-24 | 2022-02-25 | 贺州久源矿业有限公司 | Process for comprehensively recovering mica from granite weathered shell type potash feldspar |
| CN116371590A (en) * | 2023-06-05 | 2023-07-04 | 矿冶科技集团有限公司 | Beneficiation method for comprehensively improving indexes of low-grade lepidolite concentrate |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985112A (en) * | 2010-11-02 | 2011-03-16 | 中南大学 | Method for floatation recovery of vanadium from vanadium mica mine |
| CN102773152A (en) * | 2012-07-13 | 2012-11-14 | 四川领航石墨制品有限公司 | Fine flaky-cryptocrystalline mixed graphite separation technique |
| CN103212478A (en) * | 2013-03-05 | 2013-07-24 | 安徽金日盛矿业有限责任公司 | Floating magnetic combined ore dressing process for recovering mica from iron ore mill tailings |
| CN103316773A (en) * | 2013-07-01 | 2013-09-25 | 湖南鑫源矿业有限公司 | Depressor for fluorite mine calcium carbonate and mica minerals |
| CN103433124A (en) * | 2013-09-18 | 2013-12-11 | 江西理工大学 | Process for comprehensively recovering ferrum, molybdenum and sericite from gold concentrator tailings |
-
2015
- 2015-05-29 CN CN201510283075.XA patent/CN104874486B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101985112A (en) * | 2010-11-02 | 2011-03-16 | 中南大学 | Method for floatation recovery of vanadium from vanadium mica mine |
| CN102773152A (en) * | 2012-07-13 | 2012-11-14 | 四川领航石墨制品有限公司 | Fine flaky-cryptocrystalline mixed graphite separation technique |
| CN103212478A (en) * | 2013-03-05 | 2013-07-24 | 安徽金日盛矿业有限责任公司 | Floating magnetic combined ore dressing process for recovering mica from iron ore mill tailings |
| CN103316773A (en) * | 2013-07-01 | 2013-09-25 | 湖南鑫源矿业有限公司 | Depressor for fluorite mine calcium carbonate and mica minerals |
| CN103433124A (en) * | 2013-09-18 | 2013-12-11 | 江西理工大学 | Process for comprehensively recovering ferrum, molybdenum and sericite from gold concentrator tailings |
Non-Patent Citations (1)
| Title |
|---|
| 米丽平: "从碎云母矿尾矿中回收云母的试验研究", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106423577A (en) * | 2016-11-02 | 2017-02-22 | 广西大学 | Preparation method of olivine collecting agent |
| CN110586330A (en) * | 2019-10-28 | 2019-12-20 | 江西理工大学应用科学学院 | Flotation process for recovering micro-fine mica from micro-fine iron tailings |
| CN113877721A (en) * | 2021-07-01 | 2022-01-04 | 中南大学 | Method for deeply removing micro-fine particle black and white mica from granite type metal ore tailings |
| CN114082521A (en) * | 2021-11-24 | 2022-02-25 | 贺州久源矿业有限公司 | Process for comprehensively recovering mica from granite weathered shell type potash feldspar |
| CN116371590A (en) * | 2023-06-05 | 2023-07-04 | 矿冶科技集团有限公司 | Beneficiation method for comprehensively improving indexes of low-grade lepidolite concentrate |
| CN116371590B (en) * | 2023-06-05 | 2023-08-18 | 矿冶科技集团有限公司 | Beneficiation method for comprehensively improving indexes of low-grade lepidolite concentrate |
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