CN104624383B - Hematite reverse flotation inhibitor and preparation and use method thereof - Google Patents
Hematite reverse flotation inhibitor and preparation and use method thereof Download PDFInfo
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- CN104624383B CN104624383B CN201410743966.4A CN201410743966A CN104624383B CN 104624383 B CN104624383 B CN 104624383B CN 201410743966 A CN201410743966 A CN 201410743966A CN 104624383 B CN104624383 B CN 104624383B
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Abstract
The invention relates to a hematite reverse flotation inhibitor and a preparation and use method of the hematite reverse flotation inhibitor. The hematite reverse flotation inhibitor is prepared by waste residues generated in the beer brewing process, potassium permanganate, sodium hydroxide and water, and according to the weight ratio of all the components, the waste residues: potassium permanganate: sodium hydroxide: water is 1: five percent to 20 percent: four percent to 20 percent: 80 percent to 120 percent. The hematite reverse flotation inhibitor is easy to prepare, good in floating effect and small in use number, the defect of sodium hydroxide as the inhibitor is overcome, normal temperature preparation is achieved, the selectivity of the inhibitor is improved, then the iron recycling rate is improved, the use number of inhibitors is reduced, the needs of dressing production are met, the guaranteeing degree of iron ore resources in China to the iron and steel industry is improved, and immoderate reliance on grain and consumption of the grain are reduced.
Description
Technical field
The present invention relates to beneficiation inhibitor, particularly a kind of hematite reverse flotation inhibitor and its preparation, using method, belong to
In beneficiation reagent field.
Background technology
At present, domestic hematite reverse flotation inhibitor is open following several with mainly having of commercial Application:
1st, cn102443071a discloses a kind of composite modified starch as hematite reverse flotation inhibitor and preparation method thereof, its
Raw material is starch, and sodium hypochlorite is oxidant, and sodium sulfite and sodium nitrite are esterifying agent, 3- chloro- 2- Hydroxyproyl Trimethyl season
Ammonium salt is cationic reagent, and caustic alkali is catalyst, adds water and makes.Its proportioning is calculated by weight as: raw starch 100
Part, sodium hypochlorite 0.5-10 part, sodium sulfite 1.2-7.0 part, sodium nitrite 0.2-1.2 part, 3- chloro- 2- Hydroxyproyl Trimethyl season
Ammonium salt 0.5-3.5 part, caustic alkali 3.0-7.0 part, water 25-40 part.
2nd, cn1356178a discloses a kind of iron ore antifloating inhibitor and preparation method thereof, and its raw material is by starch, chlorine
Acetic acid, methanol, naoh, soda and water composition, weight proportion is: starch: monoxone: methanol: naoh: soda: water=100:
15-17∶19-23∶ 7-9∶9-11∶0.7-1.8.Its preparation process is: first after monoxone and soda stirring and evenly mixing, adds
Stir in starch, then again methanol, naoh and water dissolution mixed solution are added thereto stirring and evenly mixing and obtain final product.
3rd, cn1231219a discloses a kind of preparation method of iron ore antifloating inhibitor, and its raw material is aromatic compound
Thing, sulfonating agent, water, formaldehyde, naoh, sulfonated reaction, water medium reaction, condensation reaction, neutralization reaction are obtained.
4th, cn103567078a discloses a kind of carboxymethyl starch inhibitor for hematite reverse flotation, and its raw material is carboxylic
Methyl starch, compound method is will to put into the water by carboxymethyl starch weight 8-10 times in compounding bin under room temperature, adds carboxylic first
Base starch, stirs 1 hour, and then adding water is configured to by weight percentage 1.5～3.0% carboxymethyl starch soln and obtains final product.But
Above-mentioned inhibitor, due to due to the aspects such as technical-economic index, fails to apply aborning or be eliminated.
At present, the most frequently used reverse flotation inhibitor of domestic hematite separation factory adopts corn starch, and corn starch is to carrying ferrum
Fall silicon serves certain effect, but there is also problems with: one is that corn starch needs 90 DEG C of preparations of high temperature；Two is Semen Maydiss
Starch selectivity is not good enough, and iron recovery is low, causes the waste of resource；Three is that corn starch unit consumption is high, and consumption is big, causes
The consuming excessively of grain.
Content of the invention
The invention aims to providing a kind of hematite reverse flotation easily prepared, that flotation effect is good, consumption is few to press down
Preparation and its preparation, using method, to overcome the above-mentioned deficiency of corn starch, realize room temperature and prepare, improve the selection of inhibitor
Property so improve iron recovery, and reduce inhibitor consumption, not only meet the needs of mineral processing production, also improve China's iron ore deposit
Guarantee degree to steel and iron industry, reduces depending on unduly and consuming to grain.
The technical scheme is that
A kind of hematite reverse flotation inhibitor it is characterised in that: by during beer brewing produce waste residue, permanganic acid
Potassium, sodium hydroxide and water are prepared from, and the weight proportion of each component is: waste residue: potassium permanganate: sodium hydroxide: water=1:5%-
20%:4%-20%:80%-120%.
Above-mentioned hematite reverse flotation inhibitor, contains by weight percentage in the waste residue producing during described beer brewing
There are protein 20%-25%, polysaccharide 50%-65%.
A kind of preparation method of hematite reverse flotation inhibitor it is characterised in that: first to produce during beer brewing
Waste residue is that in base stock the water that is dissolved in account for waste residue weight 80%-120%, temperature control, at 20-40 DEG C, stirs 5-
After 10min, then the potassium permanganate accounting for the 5%-20% of waste residue weight be added thereto aoxidized, and stir 3-5min, finally plus
The 4%-20% sodium hydroxide entering to account for waste residue weight carries out causticization, stirs 10-15min.
A kind of using method of hematite reverse flotation inhibitor it is characterised in that: flotation conditions are flotation pulp weight hundred
Concentration is divided to be 35%-65%, temperature is 15-45 DEG C, and ph value is 7-11.5；Flotation dosing order is ph regulator, suppression successively
Agent, activator, collecting agent or ph regulator, activator, collecting agent, inhibitor.
The invention has the beneficial effects as follows:
1st, hematite reverse flotation inhibitor of the present invention contains the important of an inhibitory action such as hydroxyl, amido and carboxyl
Polar group.These polar groups can be by hydrogen bond action in hydrone, again can be in the bloodstone table containing strong electronegativity element
Face is adsorbed, so that its purpose that is hydrophilic and reaching its floating of suppression；
2nd, room temperature is prepared, simple and convenient, and less energy consumption is unlikely to deteriorate, and reagent consumption is the 10%-60% of corn starch；
3rd, primary raw material is trade waste, with low cost, and non-environmental-pollution.
Specific embodiment
Hematite reverse flotation inhibitor of the present invention, (is hereinafter referred to as made by the waste residue producing during beer brewing
Wine waste residue), potassium permanganate, sodium hydroxide and water be prepared from, the weight proportion of each component is: brew wine waste residue: potassium permanganate: hydrogen
Sodium oxide: water=1:5%-20%:4%-20%:80%-120%.Wherein, contain protein 20%- in brew wine waste residue by weight percentage
25%th, polysaccharide 50%-65%.The preparation method of this inhibitor is: elder generation with brew wine waste residue as base stock and is dissolved in accounting for waste residue weight
In the water of amount 80%-120%, temperature control, at 20-40 DEG C, after stirring 5-10min, then will account for the Gao Meng of the 5%-20% of waste residue weight
Sour potassium is added thereto and is aoxidized, and stirs 3-5min, is eventually adding and accounts for the 4%-20% sodium hydroxide of waste residue weight and carry out causticization,
Stirring 10-15min.During use, flotation pulp concentration expressed in percentage by weight is 35%-65%, and temperature is 15-45 DEG C, and ph value is 7-
11.5, flotation dosing order is: ph adjustment agent inhibitor (being this hematite reverse flotation inhibitor) activator collecting agent
Or ph regulator activator collecting agent inhibitor (being this hematite reverse flotation inhibitor).
Now illustrated by three embodiments.
Embodiment 1
With the brew wine waste residue of 100 weight portions as base stock and be dissolved in the water of 90 weight portions, temperature control is 25
DEG C -28 DEG C, after stirring 6min, the potassium permanganate of 10 weight portions is added thereto and is aoxidized, and stir 3min, be eventually adding 10
The sodium hydroxide of weight portion carries out causticization, and stirring 10min is obtained hematite reverse flotation inhibitor.
It is applied to following flotation environment: certain bloodstone minal (- 200 mesh grain size content 70%), make collecting agent in enuatrol
In the case of, flotation pulp concentration expressed in percentage by weight 40%, when flotation ph value is 9, collector dosage is 600g/t, Floatation Rate reaches
More than 95%.With this understanding, when above-mentioned inhibitor being added 500g/t, the Floatation Rate of bloodstone minal drops to 50%, plus
The consumption of big inhibitor, when reaching 1000g/t, bloodstone minal Floatation Rate is down to 10%, when inhibitor consumption is 1500g/
During t, bloodstone minal no floats substantially, and only 1% about.Compared with corn starch inhibitor, action effect is close, but becomes
This is only the 10% about of corn starch.
Embodiment 2
With the brew wine waste residue of 100 weight portions as base stock and be dissolved in the water of 110 weight portions, temperature control is 35
DEG C -38 DEG C, after stirring 8min, the potassium permanganate of 15 weight portions is added thereto and is aoxidized, and stir 5min, be eventually adding 18
The sodium hydroxide of weight portion carries out causticization, and stirring 15min is obtained hematite reverse flotation inhibitor.
It is applied to following flotation environment: certain bloodstone minal (- 200 mesh grain size content 90%), make collecting agent in enuatrol
In the case of, flotation pulp concentration expressed in percentage by weight 45%, when flotation ph is 9.5, collector dosage is 550g/t, Floatation Rate reaches
More than 95%.With this understanding, when above-mentioned inhibitor being added 550g/t, the Floatation Rate of bloodstone minal drops to 55%, plus
The consumption of big inhibitor, when reaching 1100g/t, bloodstone minal Floatation Rate is down to 10%, when inhibitor consumption is 1500g/
During t, bloodstone minal no floats substantially, and only 1% about.Compared with corn starch inhibitor, action effect is close, but becomes
This is only the 10% about of corn starch.
Embodiment 3
With the brew wine waste residue of 100 weight portions as base stock and be dissolved in the water of 100 weight portions, temperature control is 30
DEG C -35 DEG C, after stirring 8min, the potassium permanganate of 6 weight portions is added thereto and is aoxidized, and stir 5min, be eventually adding 5 weights
The sodium hydroxide of amount part carries out causticization, and stirring 12min is obtained hematite reverse flotation inhibitor.
It is applied to following flotation environment: certain bloodstone minal (- 200 mesh grain size content 92%), make collecting agent in enuatrol
In the case of, flotation pulp concentration expressed in percentage by weight 40%, when flotation ph is 10.5, collector dosage is 580g/t, Floatation Rate reaches
More than 98%.With this understanding, when above-mentioned inhibitor being added 600g/t, the Floatation Rate of bloodstone minal drops to 50%, plus
The consumption of big inhibitor, when reaching 1150g/t, bloodstone minal Floatation Rate is down to 10%, when inhibitor consumption is 1550g/
During t, bloodstone minal no floats substantially, and only 1% about.Compared with corn starch inhibitor, action effect is close, but becomes
This is only the 15% about of corn starch.
Claims (2)
1. a kind of preparation method of hematite reverse flotation inhibitor it is characterised in that: first useless with produce during beer brewing
Slag is that in base stock the water that is dissolved in account for waste residue weight 80%-120%, temperature control, at 20-40 DEG C, stirs 5-10min
Afterwards, then the potassium permanganate accounting for the 5%-20% of waste residue weight is added thereto and is aoxidized, and stir 3-5min, be eventually adding account for useless
The 4%-20% sodium hydroxide of slag weight carries out causticization, stirs 10-15min.
2. hematite reverse flotation inhibitor according to claim 1 preparation method it is characterised in that: described beer brewing
During produce waste residue in contain protein 20%-25%, polysaccharide 50%-65% by weight percentage.
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| CN201410743966.4A CN104624383B (en) | 2014-12-09 | 2014-12-09 | Hematite reverse flotation inhibitor and preparation and use method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104437889A (en) * | 2014-12-09 | 2015-03-25 | 鞍钢集团矿业公司 | Hematite anti-floatation depressor |
| WO2017062200A1 (en) * | 2015-10-08 | 2017-04-13 | Kemira Oyj | Moderately oxidized polysaccharide depressants for use in iron ore flotation processes |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101249474A (en) * | 2007-08-06 | 2008-08-27 | 中南大学 | Applications of specific restraining agent in complicated sulfuration mine |
| CN102553717A (en) * | 2012-01-13 | 2012-07-11 | 鞍钢集团矿业公司 | Beneficiation process for high-sulfur hematite |
| CN103495506A (en) * | 2013-10-10 | 2014-01-08 | 鞍钢集团矿业公司 | Agent for reverse flotation of iron ore and combination use method |
| CN103495509A (en) * | 2013-10-10 | 2014-01-08 | 鞍钢集团矿业公司 | Micro-fine particle iron ore reverse flotation reagent and use method thereof |
| CN104117432A (en) * | 2014-07-10 | 2014-10-29 | 中南大学 | Magnetic seed floatation method |
| CN104437889A (en) * | 2014-12-09 | 2015-03-25 | 鞍钢集团矿业公司 | Hematite anti-floatation depressor |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014517818A (en) * | 2011-04-13 | 2014-07-24 | ビーエーエスエフ ソシエタス・ヨーロピア | Amine and diamine compounds and their use for reverse flotation of silicates from iron ore |
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2014
- 2014-12-09 CN CN201410743966.4A patent/CN104624383B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101249474A (en) * | 2007-08-06 | 2008-08-27 | 中南大学 | Applications of specific restraining agent in complicated sulfuration mine |
| CN102553717A (en) * | 2012-01-13 | 2012-07-11 | 鞍钢集团矿业公司 | Beneficiation process for high-sulfur hematite |
| CN103495506A (en) * | 2013-10-10 | 2014-01-08 | 鞍钢集团矿业公司 | Agent for reverse flotation of iron ore and combination use method |
| CN103495509A (en) * | 2013-10-10 | 2014-01-08 | 鞍钢集团矿业公司 | Micro-fine particle iron ore reverse flotation reagent and use method thereof |
| CN104117432A (en) * | 2014-07-10 | 2014-10-29 | 中南大学 | Magnetic seed floatation method |
| CN104437889A (en) * | 2014-12-09 | 2015-03-25 | 鞍钢集团矿业公司 | Hematite anti-floatation depressor |
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Address after: 114001 Anshan District, Liaoning, No. 219 Road, No. 39, Tiedong Applicant after: Anshan Iron and Steel Group Mining Co., Ltd. Address before: 114001 Anshan District, Liaoning, No. 219 Road, No. 39, Tiedong Applicant before: Anshan Iron & Steel Group Mining Co., Ltd. |
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