CN105238352A - Precious metal ore grinding additive and preparation method thereof - Google Patents
Precious metal ore grinding additive and preparation method thereof Download PDFInfo
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- CN105238352A CN105238352A CN201510715345.XA CN201510715345A CN105238352A CN 105238352 A CN105238352 A CN 105238352A CN 201510715345 A CN201510715345 A CN 201510715345A CN 105238352 A CN105238352 A CN 105238352A
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Abstract
The invention discloses a precious metal ore grinding additive and a preparation method thereof. Specifically, the precious metal ore grinding additive provided by the invention comprises, by weight, 3 to 7 parts of a desliming agent, 3 to 7 parts of a corrosion inhibitor, 3 to 7 parts of a lubricating agent, 3 to 7 parts of a dispersing agent, 1 to 3 parts of an ore pulp viscosity reducer, 1 to 3 parts of an ore pulp surfactant, 3 to 7 parts of a highly-efficient yield-increasing agent and 3 to 7 parts of an enriching and collecting agent. When in practical application, the above-mentioned precious metal ore grinding additive with a mixing amount of 0.1% to 0.2% is added into ores by using a liquid metering device; and the grinding additive can significantly improve grinding efficiency and fineness of produced refined ore powder, thereby increasing yield per unit weight of the precious metal ores and bringing considerable economic benefits.
Description
Technical field
The invention belongs to precious metal smelting technical field, relate to a kind of precious metal ore grinding aid and preparation method thereof.
Background technology
In general, precious metal mainly comprises 8 kinds of metallic elements such as gold and silver and platinum metals (ruthenium, rhodium, palladium, osmium, iridium, platinum), these metal great majority have beautiful color and luster, quite large to the resistibility of pharmaceutical chemicals, under general condition not easily cause chemical reaction, in the middle of the design being common in the article such as currency, jewellery, high-grade clothing, be also used widely in fields such as industry, electronic information, space flight, military projects.Due to standing stock relative rarity in the earth's crust, difficulty is extracted in exploitation, therefore expensive, so gain the name.
In mining industry, particularly in the recovery process of precious metal ore, usually needing to implement broken to ore, is that to be broken to granularity be 5 ~ 25mm for the nugget of 500 ~ 1500mm by the granularity of extraction, is then 10 ~ 300 μm by further for the fragment after fragmentation grinding to granularity.So not only can reduce the granularity of ore, and can for ore dressing process expose needed for mineral surface.In numerous grinding methods, grinding is a kind of comparatively common method.In ore lapping process, when the fineness of ore increases, fine grain gathering will cause the decline rapidly of refining efficiency.In order to improve this situation, the best way adds ore grinding agent exactly in lapping process.The ore grinding agent used in process of lapping can reduce the exploitation of ore and pulverize cost, improves the production efficiency of ore, increases the output of ore, and improves the fineness of ore.
At present, commercially available ore grinding agent is mostly single heavy chemicals or by the composite obtained mixture of several industrial chemicals simple physical, mainly comprises following kind: 1. alcohols is as ethylene glycol, propylene glycol etc.; 2. amine is as trolamine, tri-isopropanolamine etc.; 3. fatty acid is as stearic acid, oleic acid etc.; 4. salt is as Sodium hexametaphosphate 99, sodium stearate etc.; 5. mineral substance is as talcum powder, flyash, coke, coal etc.; 6. other classes are as styrene type copolymer, melamine formaldehyde (MF), maleic anhydride derivative etc.But the problems such as existing ore grinding agent exists system instability mostly, and mesh-of-grind is undesirable, and result of use fluctuation is larger, are unfavorable for farthest utilizing limited precious metal mineral reserve, and then limit the increase of precious metal output in actual production process.
Summary of the invention
For above-mentioned situation, precious metal ore grinding aid that the invention provides a kind of novelty and preparation method thereof.Utilize precious metal ore grinding aid of the present invention precious metal ore (particularly Gold Ore) grinding can be obtained thinner, effectively improve the yield obtaining precious metal from the ore of unit weight, be suitable for promoting the use of on a large scale.
Specifically, precious metal ore grinding aid of the present invention, by weight, comprising:
3 ~ 7 parts, preferably 4 ~ 6 parts, more preferably 5 parts of desliming agent;
3 ~ 7 parts, preferably 4 ~ 6 parts, more preferably 5 parts of inhibiter;
3 ~ 7 parts, preferably 4 ~ 6 parts, more preferably 5 parts of lubricants;
3 ~ 7 parts, preferably 4 ~ 6 parts, more preferably 5 parts of dispersion agents;
1 ~ 3 part, preferably 1.5 ~ 2.5 parts, more preferably 2 portions of ore pulp viscosity-depression agents;
1 ~ 3 part, preferably 1.5 ~ 2.5 parts, more preferably 2 parts of ore pulp tensio-active agents;
3 ~ 7 parts, preferably 4 ~ 6 parts, more preferably 5 parts of effective yield improving agents; With
3 ~ 7 parts, preferably 4 ~ 6 parts, more preferably 5 parts of enrichment collecting agents.
In above-mentioned precious metal ore grinding aid, described desliming agent is used for making ore and earth and magazins' layout, and by weight, it comprises:
10 ~ 30 parts, preferably 15 ~ 25 parts, more preferably 20 parts of sodium carbonate;
10 ~ 30 parts, preferably 15 ~ 25 parts, more preferably 20 parts of water glass;
5 ~ 15 parts, preferably 7 ~ 12 parts, more preferably 10 parts of Sodium hexametaphosphate 99s; With
400 ~ 500 parts, preferably 420 ~ 470 parts, more preferably 450 parts of water.
Preferably, in order to obtain the higher grinding effect of fineness, described desliming agent also comprises:
3 ~ 7 parts, preferably 4 ~ 6 parts, more preferably 5 parts of benzalkonium bromide (bromogeramine);
3 ~ 7 parts, preferably 4 ~ 6 parts, more preferably 5 parts of Dodecyl trimethyl ammonium chloride (1231 tensio-active agent); With
170 ~ 210 parts, preferably 180 ~ 200 parts, more preferably 190 parts of water.
In above-mentioned precious metal ore grinding aid, described inhibiter is used for antirust, protection against corrosion, and by weight, it comprises:
30 ~ 70 parts, preferably 40 ~ 60 parts, more preferably 50 parts of inhibiter matrix; With
400 ~ 500 parts, preferably 430 ~ 470 parts, more preferably 450 parts of water,
Described inhibiter matrix mixes by five kinds optional in following ingredients: chlorination dialkyl group pyridine salt type inhibiter, lipid acid polyethylene polyamine salt form inhibiter, quaternary inhibiter, alkylphosphonic acid carboxylic acid tetrahydroglyoxaline salt form inhibiter, 17 alkenyl imidazoline alkenyl succinic acid salt form inhibiter, mahogany acid salt form inhibiter.
Preferably, described chlorination dialkyl group pyridine salt type inhibiter is JC-7571 inhibiter; Described lipid acid polyethylene polyamine salt form inhibiter is CT2-7 inhibiter; Described quaternary inhibiter is 7812 inhibiter; Described alkylphosphonic acid carboxylic acid tetrahydroglyoxaline salt form inhibiter is T-708 rust-preventive agent; Described 17 alkenyl imidazoline alkenyl succinic acid salt form inhibiter are T-703 rust-preventive agent; Described mahogany acid salt form inhibiter is T-702 rust-preventive agent.
In above-mentioned precious metal ore grinding aid, described lubricant, for reducing intergranular frictional force, improves the mobility of particle greatly, and reduce the resistance of grinding, by weight, it comprises:
5 ~ 15 parts, preferably 8 ~ 12 parts, more preferably 10 parts of lubricant matrix;
5 ~ 15 parts, preferably 8 ~ 12 parts, more preferably 10 parts of oxidation inhibitor;
20 ~ 40 parts, preferably 25 ~ 35 parts, more preferably 30 parts of mass concentrations are polyacrylamide (PAM) aqueous solution of 0.1%; With
400 ~ 500 parts, preferably 420 ~ 470 parts, more preferably 450 parts of water.
Preferably, described lubricant matrix is poly(silicon aether) type lubricant (STPa lubricant).
Preferably, described oxidation inhibitor is octyl group/butyl hexichol amine type oxidation inhibitor (ST oxidation inhibitor).
In above-mentioned precious metal ore grinding aid, described dispersion agent, for the surface charge making particle surface produce same-sign, causes repulsive force, thus makes particle separately, and do not reunite, by weight, it comprises:
30 ~ 50 parts, preferably 35 ~ 45 parts, more preferably 40 parts of dispersant matrix; With
440 ~ 480 parts, preferably 450 ~ 470 parts, more preferably 460 parts of water,
Described dispersant matrix mixes by four kinds optional in following ingredients: fatty acid acyl amine type dispersion agent, fatty alcohol-polyoxyethylene ether methyl-monosilane type dispersion agent, polyacrylate dispersion agent, polyacrylic acid salt form dispersion agent, alkylphenol-formaldehyde resin polyoxy-ethylene sulfates type dispersion agent.
Preferably, described fatty acid acyl amine type dispersion agent is PD-85 pigment dispersing agent; Described fatty alcohol-polyoxyethylene ether methyl-monosilane type dispersion agent is WA dispersion agent; Described polyacrylate dispersion agent is AM-C dispersion agent; Described polyacrylic acid salt form dispersion agent is DC dispersion agent; Described alkylphenol-formaldehyde resin polyoxy-ethylene sulfates type dispersion agent is speed pool (SOPA).
In above-mentioned precious metal ore grinding aid, described ore pulp viscosity-depression agent, for reducing the viscosity of ore pulp, provides auxiliary lubrication and dispersion effect, and by weight, it comprises:
5 ~ 15 parts, preferably 8 ~ 12 parts, more preferably 10 parts of Weibull;
3 ~ 7 parts, preferably 4 ~ 6 parts, more preferably 5 parts of foam stabilizers; With
150 ~ 250 parts, preferably 180 ~ 220 parts, more preferably 200 parts of water.
Preferably, described foam stabilizer is 205 foam stabilizers.
In above-mentioned precious metal ore grinding aid, described ore pulp tensio-active agent is for reducing the surface tension of ore pulp, and by weight, it comprises:
3 ~ 7 parts, preferably 4 ~ 6 parts, more preferably 5 parts of tweens;
1 ~ 3 part, preferably 1.5 ~ 2.5 parts, more preferably 2 parts of disecoctylmaleate sodium sulfonates (fast penetrant T); With
150 ~ 250 parts, preferably 180 ~ 220 parts, more preferably 200 parts of water.
Preferably, described tween is tween 20.
In above-mentioned precious metal ore grinding aid, described effective yield improving agent is for improving the ultimate capacity of the precious metal ore of unit weight, and by weight, it comprises:
50 ~ 150 parts, preferably 80 ~ 120 parts, more preferably 100 parts of organic silicon type amphotericses;
50 ~ 150 parts, preferably 80 ~ 120 parts, more preferably 100 parts of phosphatidyl type amphotericses; With
250 ~ 350 parts, preferably 280 ~ 320 parts, more preferably 300 parts of water.
Preferably, described organic silicon type amphoterics is SS-X tensio-active agent.
Preferably, described phosphatidyl type amphoterics is phosphatidylserine (having another name called PS tensio-active agent).
In above-mentioned precious metal ore grinding aid, described enrichment collecting agent is used for making precious metal element and chelant ties, reaches the effect of separation and purification, and then by pregnant solution enrichment, be conducive to improving output, by weight, it comprises:
50 ~ 150 parts, preferably 80 ~ 120 parts, more preferably 100 parts of pregnant solutions;
50 ~ 150 parts, preferably 80 ~ 120 parts, more preferably 100 parts of sequestrants; With
250 ~ 350 parts, preferably 280 ~ 320 parts, more preferably 300 parts of water.
Preferably, described pregnant solution is two antipyrine methane type pregnant solution DAMX.
Preferably, described sequestrant is sulfonate type imidazoline amophoteric surface active agent XCGLS-1.
In addition, present invention also offers a kind of preparation method of above-mentioned precious metal ore grinding aid, it comprises the following steps:
(1) desliming agent is prepared: according to recipe quantity, weighing sodium carbonate, water glass, Sodium hexametaphosphate 99, Morpan BB and Dodecyl trimethyl ammonium chloride, be added to the water and stir, and obtains desliming agent;
(2) inhibiter is prepared: according to recipe quantity, take inhibiter matrix, be added to the water and stir, obtaining inhibiter;
(3) lubricant is prepared: according to recipe quantity, take the polyacrylamide solution that lubricant matrix, oxidation inhibitor and mass concentration are 0.1%, be added to the water and stir, obtaining lubricant;
(4) dispersion agent is prepared: according to recipe quantity, take dispersant matrix, be added to the water and stir, obtaining dispersion agent;
(5) ore pulp viscosity-depression agent is prepared: according to recipe quantity, take Weibull and foam stabilizer, be added to the water and stir, obtain ore pulp viscosity-depression agent;
(6) ore pulp tensio-active agent is prepared: according to recipe quantity, take tween and disecoctylmaleate sodium sulfonate, be added to the water and stir, obtain ore pulp tensio-active agent;
(7) effective yield improving agent is prepared: according to recipe quantity, take organic silicon type amphoterics and phosphatidyl type amphoterics, be added to the water and stir, obtaining effective yield improving agent;
(8) enrichment collecting agent is prepared: according to recipe quantity, take pregnant solution and sequestrant, be added to the water and stir, obtain enrichment collecting agent; With
(9) precious metal ore grinding aid is prepared: according to recipe quantity, desliming agent, inhibiter, lubricant, dispersion agent, ore pulp viscosity-depression agent, ore pulp tensio-active agent, effective yield improving agent and enrichment collecting agent is added in reactor, be heated to 50 ~ 85 DEG C and stir, obtaining precious metal ore grinding aid.
During practical application, use liquid metering device in ore, add the above-mentioned precious metal ore grinding aid that volume is 0.1% ~ 0.2%, can mill efficiency be significantly improved, improve produce the fineness of fine ore, thus improve the output of the precious metal ore of unit weight, bring considerable economic benefit.
Embodiment
Come below in conjunction with specific embodiments to set forth the present invention further.
Material and reagent:
Sodium carbonate, technical grade, Shanghai Jie Chang Trade Co., Ltd.;
Water glass, technical grade, Nanjing Nan Shi chemical reagent company limited;
Sodium hexametaphosphate 99, technical grade, Li Yang Fine Chemical Co., Ltd of Suzhou City;
Morpan BB, technical grade, the happy Industrial Co., Ltd. of Shanghai Jin Jin;
Dodecyl trimethyl ammonium chloride, technical grade, Qixia Hill In Nanjing dyeing and printing auxiliary factory;
JC-7571 inhibiter, technical grade, Shanghai Ci Tai Yilong Industry Co., Ltd.;
CT2-7 inhibiter, technical grade, Guangzhou Kai Zhida Chemical Co., Ltd.;
7812 inhibiter, technical grade, Guangzhou Kai Zhida Chemical Co., Ltd.;
T-708 rust-preventive agent, technical grade, Jinan Fleder Chemical Co., Ltd.;
T-703 rust-preventive agent, technical grade, Jinan Fleder Chemical Co., Ltd.;
T-702 rust-preventive agent, technical grade, Jinan Fleder Chemical Co., Ltd.;
Polyacrylamide, technical grade, Renqiu City Jin Yu Chemical Co., Ltd.;
STPa lubricant, technical grade, Shanghai Ishikawa Chemical Co., Ltd.;
ST oxidation inhibitor, technical grade, Shanghai Ishikawa Chemical Co., Ltd.;
PD-85 pigment dispersing agent, technical grade, Shijiazhuang City Paint Factory (goldfish coating group);
WA dispersion agent, technical grade, Jiangsu Sixin Surfactant Technology Co., Ltd.;
AM-C dispersion agent, technical grade, wound Yue Chemical Co., Ltd. of Guang Zhou city;
DC dispersion agent, technical grade, wound Yue Chemical Co., Ltd. of Guang Zhou city;
Speed pool, technical grade, Xin Rui Chemical Co., Ltd. of Zhengzhou City;
Weibull, technical grade, Ling Fei chemical plant, Suzhou;
205 foam stabilizers, technical grade, Shandong Kangaite Weixun (Penglai) Chemistry Co., Ltd.;
Tween 20, technical grade, Nantong Wang Xi Chemical Co., Ltd.;
Disecoctylmaleate sodium sulfonate, technical grade, Nantong Wang Xi Chemical Co., Ltd.;
SS-X tensio-active agent, technical grade, Shanghai Hui Jin Chemical Co., Ltd.;
PS tensio-active agent, technical grade, Shanghai Hui Jin Chemical Co., Ltd.;
Pregnant solution DAMX, technical grade, Jining Hua Kai resin company limited;
Sequestrant XCGLS-1, technical grade, Jining Hua Kai resin company limited; With
Tap water.
Embodiment 1: the corase grind preparation of precious metal ore grinding aid.
(1) prepare desliming agent: take 20kg sodium carbonate, 20kg water glass and 10kg Sodium hexametaphosphate 99, to join in 450kg water and to stir, obtaining 500kg desliming agent;
(2) prepare inhibiter: take 10kgJC-7571 inhibiter, 10kgCT2-7 inhibiter, 10kg7812 inhibiter, 10kgT-708 rust-preventive agent and 10kgT-703 rust-preventive agent respectively, to join in 450kg water and to stir, obtaining 500kg inhibiter;
(3) lubricant is prepared: take 30g polyacrylamide, join in 30L water, stirring at normal temperature makes dissolving, obtains the polyacrylamide solution that mass concentration is 0.1%; Take the polyacrylamide solution of 10kgSTPa lubricant, 10kgST oxidation inhibitor and 30kg0.1%, to join in 450kg water and to stir, obtaining 500kg lubricant;
(4) prepare dispersion agent: take 10kgPD-85 pigment dispersing agent, 10kgWA dispersion agent, 10kgAM-C dispersion agent and 10kgDC dispersion agent respectively, to join in 460kg water and to stir, obtaining 500kg dispersion agent;
(5) prepare ore pulp viscosity-depression agent: take 10kg Weibull and 5kg205 foam stabilizer, to join in 200kg water and to stir, obtaining 215kg ore pulp viscosity-depression agent;
(6) prepare ore pulp tensio-active agent: take 5kg tween 20 and 2kg disecoctylmaleate sodium sulfonate, to join in 200kg water and to stir, obtaining 207kg ore pulp tensio-active agent;
(7) prepare effective yield improving agent: take 100kgSS-X tensio-active agent and 100kgPS tensio-active agent, to join in 300kg water and to stir, obtaining 500kg effective yield improving agent;
(8) prepare enrichment collecting agent: take 100kg pregnant solution DAMX and 100kg sequestrant XCGLS-1, to join in 300kg water and to stir, obtaining 500kg enrichment collecting agent;
(9) precious metal ore grinding aid is prepared: in reactor, add 500kg desliming agent, 500kg inhibiter, 500kg lubricant, 500kg dispersion agent, 200kg ore pulp viscosity-depression agent, 200kg ore pulp tensio-active agent, 500kg effective yield improving agent and 500kg enrichment collecting agent, be heated to 85 DEG C and stir, obtaining 3400kg precious metal ore grinding aid.
Embodiment 2: the corase grind preparation of precious metal ore grinding aid.
(1) prepare desliming agent: take 10kg sodium carbonate, 30kg water glass and 10kg Sodium hexametaphosphate 99, to join in 450kg water and to stir, obtaining 500kg desliming agent;
(2) prepare inhibiter: take 8kgJC-7571 inhibiter, 10kgCT2-7 inhibiter, 12kg7812 inhibiter, 5kgT-708 rust-preventive agent and 15kgT-703 rust-preventive agent respectively, to join in 450kg water and to stir, obtaining 500kg inhibiter;
(3) lubricant is prepared: take 30g polyacrylamide, join in 30L water, stirring at normal temperature makes dissolving, obtains the polyacrylamide solution that mass concentration is 0.1%; Take the polyacrylamide solution of 12kgSTPa lubricant, 8kgST oxidation inhibitor and 30kg0.1%, to join in 450kg water and to stir, obtaining 500kg lubricant;
(4) dispersion agent is prepared: take 8kgPD-85 pigment dispersing agent, 12kgWA dispersion agent, 10kgAM-C dispersion agent and 10kg speed pool respectively, to join in 460kg water and to stir, obtaining 500kg dispersion agent;
(5) prepare ore pulp viscosity-depression agent: take 8kg Weibull and 7kg205 foam stabilizer, to join in 200kg water and to stir, obtaining 215kg ore pulp viscosity-depression agent;
(6) prepare ore pulp tensio-active agent: take 4kg tween 20 and 3kg disecoctylmaleate sodium sulfonate, to join in 200kg water and to stir, obtaining 207kg ore pulp tensio-active agent;
(7) prepare effective yield improving agent: take 100kgSS-X tensio-active agent and 100kgPS tensio-active agent, to join in 300kg water and to stir, obtaining 500kg effective yield improving agent;
(8) prepare enrichment collecting agent: take 100kg pregnant solution DAMX and 100kg sequestrant XCGLS-1, to join in 300kg water and to stir, obtaining 500kg enrichment collecting agent;
(9) precious metal ore grinding aid is prepared: in reactor, add 500kg desliming agent, 500kg inhibiter, 500kg lubricant, 500kg dispersion agent, 200kg ore pulp viscosity-depression agent, 200kg ore pulp tensio-active agent, 500kg effective yield improving agent and 500kg enrichment collecting agent, be heated to 50 DEG C and stir, obtaining 3400kg precious metal ore grinding aid.
Embodiment 3: the corase grind preparation of precious metal ore grinding aid.
(1) prepare desliming agent: take 30kg sodium carbonate, 10kg water glass and 10kg Sodium hexametaphosphate 99, to join in 450kg water and to stir, obtaining 500kg desliming agent;
(2) prepare inhibiter: take 10kgJC-7571 inhibiter, 8kgCT2-7 inhibiter, 5kg7812 inhibiter, 15kgT-708 rust-preventive agent and 12kgT-702 rust-preventive agent respectively, to join in 450kg water and to stir, obtaining 500kg inhibiter;
(3) lubricant is prepared: take 30g polyacrylamide, join in 30L water, stirring at normal temperature makes dissolving, obtains the polyacrylamide solution that mass concentration is 0.1%; Take the polyacrylamide solution of 12kgSTPa lubricant, 12kgST oxidation inhibitor and 26kg0.1%, to join in 450kg water and to stir, obtaining 500kg lubricant;
(4) dispersion agent is prepared: take 10kgPD-85 pigment dispersing agent, 8kgDC dispersion agent, 12kgAM-C dispersion agent and 10kg speed pool respectively, to join in 460kg water and to stir, obtaining 500kg dispersion agent;
(5) prepare ore pulp viscosity-depression agent: take 12kg Weibull and 3kg205 foam stabilizer, to join in 200kg water and to stir, obtaining 215kg ore pulp viscosity-depression agent;
(6) prepare ore pulp tensio-active agent: take 6kg tween 20 and 1kg disecoctylmaleate sodium sulfonate, to join in 200kg water and to stir, obtaining 207kg ore pulp tensio-active agent;
(7) prepare effective yield improving agent: take 100kgSS-X tensio-active agent and 100kgPS tensio-active agent, to join in 300kg water and to stir, obtaining 500kg effective yield improving agent;
(8) prepare enrichment collecting agent: take 100kg pregnant solution DAMX and 100kg sequestrant XCGLS-1, to join in 300kg water and to stir, obtaining 500kg enrichment collecting agent;
(9) precious metal ore grinding aid is prepared: in reactor, add 500kg desliming agent, 500kg inhibiter, 500kg lubricant, 500kg dispersion agent, 200kg ore pulp viscosity-depression agent, 200kg ore pulp tensio-active agent, 500kg effective yield improving agent and 500kg enrichment collecting agent, be heated to 65 DEG C and stir, obtaining 3400kg precious metal ore grinding aid.
Embodiment 4: the fine grinding preparation of precious metal ore grinding aid.
(1) prepare desliming agent: take 20kg sodium carbonate, 20kg water glass, 10kg Sodium hexametaphosphate 99,5kg Morpan BB and 5kg Dodecyl trimethyl ammonium chloride, to join in 440kg water and to stir, obtaining 500kg desliming agent;
(2) prepare inhibiter: take 10kgJC-7571 inhibiter, 10kgCT2-7 inhibiter, 10kg7812 inhibiter, 10kgT-708 rust-preventive agent and 10kgT-703 rust-preventive agent respectively, to join in 450kg water and to stir, obtaining 500kg inhibiter;
(3) lubricant is prepared: take 30g polyacrylamide, join in 30L water, stirring at normal temperature makes dissolving, obtains the polyacrylamide solution that mass concentration is 0.1%; Take the polyacrylamide solution of 10kgSTPa lubricant, 10kgST oxidation inhibitor and 30kg0.1%, to join in 450kg water and to stir, obtaining 500kg lubricant;
(4) prepare dispersion agent: take 10kgPD-85 pigment dispersing agent, 10kgWA dispersion agent, 10kgAM-C dispersion agent and 10kgDC dispersion agent respectively, to join in 460kg water and to stir, obtaining 500kg dispersion agent;
(5) prepare ore pulp viscosity-depression agent: take 10kg Weibull and 5kg205 foam stabilizer, to join in 200kg water and to stir, obtaining 215kg ore pulp viscosity-depression agent;
(6) prepare ore pulp tensio-active agent: take 5kg tween 20 and 2kg disecoctylmaleate sodium sulfonate, to join in 200kg water and to stir, obtaining 207kg ore pulp tensio-active agent;
(7) prepare effective yield improving agent: take 100kgSS-X tensio-active agent and 100kgPS tensio-active agent, to join in 300kg water and to stir, obtaining 500kg effective yield improving agent;
(8) prepare enrichment collecting agent: take 100kg pregnant solution DAMX and 100kg sequestrant XCGLS-1, to join in 300kg water and to stir, obtaining 500kg enrichment collecting agent;
(9) precious metal ore grinding aid is prepared: in reactor, add 500kg desliming agent, 500kg inhibiter, 500kg lubricant, 500kg dispersion agent, 200kg ore pulp viscosity-depression agent, 200kg ore pulp tensio-active agent, 500kg effective yield improving agent and 500kg enrichment collecting agent, be heated to 75 DEG C and stir, obtaining 3400kg precious metal ore grinding aid.
Embodiment 5: utilize precious metal ore grinding aid to carry out the experiment of Gold Ore grinding.
Precious metal ore grinding aid obtained in embodiment 1 is utilized to carry out the experiment of dry method grinding to Gold Ore.The gold mine after 2kg pulverizing is refined in 500 × 500 small-sized jaw crushers, be arranged in parallel 3 groups of i.e. basic pattern group, low grinding aid group and high grinding aid groups, under the condition that other factors is identical, mix respectively to corresponding in 3 groups the grinding aid (volume is 0,0.1% and 0.2%) that consumption is 0g, 2g and 4g.Each group of breeze after grinding crosses 0.08mm water sieve, 0.045mm water sieve, 0.08mm negative pressure sieve and 0.045mm negative pressure sieve respectively, and investigate the grinding-aid effect of grinding aid to gold mine with screen over-size (%), result is as shown in table 1.
Table 1. grinding aid is on the impact of Gold Ore fine grinding fineness
As shown in Table 1, compared with the basic pattern group of non-admixture grinding aid, the ore powder granularity of the low grinding aid group of admixture 0.1% grinding aid increases, major part sieve after screen over-size be less than basic pattern group data; When the volume of grinding aid is increased to 0.2%, the fineness of the breeze after grinding significantly improves, all sieve after screen over-size be all less than basic pattern group and low grinding aid group, and overcome the unusual phenomenon that screen over-size that low grinding aid group produces when crossing 0.045mm negative pressure sieve " do not fall anti-increasing ".
In addition, under the condition that other factors is constant, only tested by the grinding aid that the grinding aid in embodiment 1 replaces with in embodiment 4, corresponding data all increases again, show that the grinding aid in embodiment 4 is more suitable for follow-up fine grinding technology, be conducive to the fineness improving breeze further.In actual production process, carry out subsequent smelting technique with the grinding aid volume of 0.2%, the more than enough production 1 ~ 2g gold of Gold Ore energy per ton, directly brings 200 ~ 400 yuan of economic benefits, has the market competitiveness.
Claims (10)
1. a precious metal ore grinding aid, by weight, 3 ~ 7 parts of desliming agent, 3 ~ 7 parts of inhibiter, 3 ~ 7 parts of lubricants, 3 ~ 7 parts of dispersion agents, 1 ~ 3 portion of ore pulp viscosity-depression agent, 1 ~ 3 part of ore pulp tensio-active agent, 3 ~ 7 parts of effective yield improving agents and 3 ~ 7 parts of enrichment collecting agents are comprised; Wherein:
Described desliming agent, by weight, comprises 10 ~ 30 parts of sodium carbonate, 10 ~ 30 parts of water glass, 5 ~ 15 parts of Sodium hexametaphosphate 99s and 400 ~ 500 parts of water;
Described inhibiter, by weight, comprise 30 ~ 70 parts of inhibiter matrix and 400 ~ 500 parts of water, described inhibiter matrix mixes by five kinds optional in following ingredients: chlorination dialkyl group pyridine salt type inhibiter, lipid acid polyethylene polyamine salt form inhibiter, quaternary inhibiter, alkylphosphonic acid carboxylic acid tetrahydroglyoxaline salt form inhibiter, 17 alkenyl imidazoline alkenyl succinic acid salt form inhibiter, mahogany acid salt form inhibiter;
Described lubricant, by weight, comprise 5 ~ 15 parts of lubricant matrix, 5 ~ 15 parts of oxidation inhibitor, 20 ~ 40 parts of mass concentrations be 0.1% polyacrylamide solution and 400 ~ 500 parts of water, described lubricant matrix is poly(silicon aether) type STPa lubricant;
Described dispersion agent, by weight, comprise 30 ~ 50 parts of dispersant matrix and 440 ~ 480 parts of water, described dispersant matrix mixes by four kinds optional in following ingredients: fatty acid acyl amine type dispersion agent, fatty alcohol-polyoxyethylene ether methyl-monosilane type dispersion agent, polyacrylate dispersion agent, polyacrylic acid salt form dispersion agent, alkylphenol-formaldehyde resin polyoxy-ethylene sulfates type dispersion agent;
Described ore pulp viscosity-depression agent, by weight, comprises 5 ~ 15 parts of Weibull, 3 ~ 7 parts of foam stabilizers and 150 ~ 250 parts of water;
Described ore pulp tensio-active agent, by weight, comprises 3 ~ 7 parts of tweens, 1 ~ 3 part of disecoctylmaleate sodium sulfonate and 150 ~ 250 parts of water;
Described effective yield improving agent, by weight, comprises 50 ~ 150 parts of organic silicon type amphotericses, 50 ~ 150 parts of phosphatidyl type amphotericses and 250 ~ 350 parts of water;
Described enrichment collecting agent, by weight, comprises 50 ~ 150 parts of part pregnant solutions, 50 ~ 150 parts of sequestrants and 250 ~ 350 parts of water.
2. precious metal ore grinding aid according to claim 1, is characterized in that:
Described chlorination dialkyl group pyridine salt type inhibiter is JC-7571 inhibiter;
Described lipid acid polyethylene polyamine salt form inhibiter is CT2-7 inhibiter;
Described quaternary inhibiter is 7812 inhibiter;
Described alkylphosphonic acid carboxylic acid tetrahydroglyoxaline salt form inhibiter is T-708 rust-preventive agent;
Described 17 alkenyl imidazoline alkenyl succinic acid salt form inhibiter are T-703 rust-preventive agent;
Described mahogany acid salt form inhibiter is T-702 rust-preventive agent.
3. precious metal ore grinding aid according to claim 1, is characterized in that:
Described oxidation inhibitor is octyl group/butyl hexichol amine type ST oxidation inhibitor.
4. precious metal ore grinding aid according to claim 1, is characterized in that:
Described fatty acid acyl amine type dispersion agent is PD-85 pigment dispersing agent;
Described fatty alcohol-polyoxyethylene ether methyl-monosilane type dispersion agent is WA dispersion agent;
Described polyacrylate dispersion agent is AM-C dispersion agent;
Described polyacrylic acid salt form dispersion agent is DC dispersion agent;
Described alkylphenol-formaldehyde resin polyoxy-ethylene sulfates type dispersion agent is speed pool.
5. precious metal ore grinding aid according to claim 1, is characterized in that:
Described foam stabilizer is 205 foam stabilizers.
6. precious metal ore grinding aid according to claim 1, is characterized in that:
Described tween is tween 20.
7. precious metal ore grinding aid according to claim 1, is characterized in that:
Described organic silicon type amphoterics is SS-X tensio-active agent;
Described phosphatidyl type amphoterics is phosphatidylserine.
8. precious metal ore grinding aid according to claim 1, is characterized in that:
Described pregnant solution is two antipyrine methane type pregnant solution DAMX;
Described sequestrant is sulfonate type imidazoline amophoteric surface active agent XCGLS-1.
9. precious metal ore grinding aid according to claim 1, is characterized in that:
Described desliming agent also comprises 3 ~ 7 parts of Morpan BBs, 3 ~ 7 parts of Dodecyl trimethyl ammonium chloride and 170 ~ 210 parts of water.
10. a preparation method for precious metal ore grinding aid according to any one of claim 1 to 9, it comprises the following steps:
1) desliming agent is prepared: according to recipe quantity, weighing sodium carbonate, water glass, Sodium hexametaphosphate 99, Morpan BB and Dodecyl trimethyl ammonium chloride, be added to the water and stir, and obtains desliming agent;
2) inhibiter is prepared: according to recipe quantity, take inhibiter matrix, be added to the water and stir, obtaining inhibiter;
3) lubricant is prepared: according to recipe quantity, take the polyacrylamide solution that lubricant matrix, oxidation inhibitor and mass concentration are 0.1%, be added to the water and stir, obtaining lubricant;
4) dispersion agent is prepared: according to recipe quantity, take dispersant matrix, be added to the water and stir, obtaining dispersion agent;
5) ore pulp viscosity-depression agent is prepared: according to recipe quantity, take Weibull and foam stabilizer, be added to the water and stir, obtain ore pulp viscosity-depression agent;
6) ore pulp tensio-active agent is prepared: according to recipe quantity, take tween and disecoctylmaleate sodium sulfonate, be added to the water and stir, obtain ore pulp tensio-active agent;
7) effective yield improving agent is prepared: according to recipe quantity, take organic silicon type amphoterics and phosphatidyl type amphoterics, be added to the water and stir, obtaining effective yield improving agent;
8) enrichment collecting agent is prepared: according to recipe quantity, take pregnant solution and sequestrant, be added to the water and stir, obtain enrichment collecting agent; With
9) precious metal ore grinding aid is prepared: according to recipe quantity, desliming agent, inhibiter, lubricant, dispersion agent, ore pulp viscosity-depression agent, ore pulp tensio-active agent, effective yield improving agent and enrichment collecting agent is added in reactor, be heated to 50 ~ 85 DEG C and stir, obtaining precious metal ore grinding aid.
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| CN107353875A (en) * | 2017-07-05 | 2017-11-17 | 鞍钢集团矿业有限公司 | A kind of iron ore grinding aid and its application method |
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| CN112973966A (en) * | 2021-03-10 | 2021-06-18 | 青岛鑫润矿业科技有限公司 | Fine mud collecting agent for realizing desliming through flotation and use method thereof |
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