CN103305189A - Special dust-depressor for metal mineral powder and ores - Google Patents
Special dust-depressor for metal mineral powder and ores Download PDFInfo
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- CN103305189A CN103305189A CN2013102853061A CN201310285306A CN103305189A CN 103305189 A CN103305189 A CN 103305189A CN 2013102853061 A CN2013102853061 A CN 2013102853061A CN 201310285306 A CN201310285306 A CN 201310285306A CN 103305189 A CN103305189 A CN 103305189A
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Abstract
The invention discloses a special dust-depressor for metal mineral powder and ores. The dust-depressor is prepared from magnesium chloride, calcium chloride, sodium sulfate, sodium carboxymethylcellulose, attapulgite, alkyl polyglucoside, water-soluble imidazoline corrosion inhibitor, chitosan and mineral oil. The special dust-depressor has good hygroscopic water retention, good film-forming property and coagulation performance and good stability, corrosion resistance and anti-frost property; above all, the special dust-depressor does not react with metal, is non-poisonous and odorless and has high application value.
Description
Technical field
The present invention relates to dust-inhibitor, relate in particular to the dust-inhibitor of a kind of metal mining powder and metallic ore special use.
Background technology
Coal, mineral bulk cargo generally all adopt the open-top car transportation in transportation by railroad, in the transportation because roadbed, what track switch and rail facility caused jolts, add a variety of causes such as wind effect and make the powder on coal in the vehicle, the mineral bulk cargo surface ground of being scattered, not only caused loss and pollution, coal ash or mineral powder are trickled down on equipment, electric appliance circuits also can bring serious security incident and hidden danger to transportation by railroad.So the improvement of airborne dust is very urgent and necessary.
Existing solution has: physics dust suppression method and chemical dust suppression method.Physics dust suppression method has machinery to add a cover method, the tarpaulin covering method, and watering etc., these methods all can not effectively be dealt with problems, and the corrosion of tarpaulin also can form secondary pollution.Chemistry dust suppression method is that dust-inhibitor is sprayed onto coal, mineral surface by the mode that sprays, and forms effective protective layer and reaches the purpose that suppresses dust.Usually dust-inhibitor has at least a in film forming, wetting and three kinds of performances of coalescence.The report of at present relevant coal dust depressor is more, but does not also have metal mining powder, the special-purpose dust-inhibitor of ore.Because metal mining powder, ore are different from the carbon dust performance, the dust-inhibitor that therefore existing coal uses can not be applied to metal mining powder, ore use usually.
Summary of the invention
The objective of the invention is to develop a kind of metal mining powder, the special-purpose dust-inhibitor of ore, this dust-inhibitor does not react with metal, and is nontoxic, tasteless.
Technical scheme of the present invention is: a kind of metal mining powder, the special-purpose dust-inhibitor of ore, it is characterized in that, formed by the component of following weight parts: magnesium chloride 4-6, calcium chloride 8-12, Xylo-Mucine 0.8-1.2, attapulgite 4-6, sodium sulfate 0.8-1.2, APG (APG) 1.5-2.5, water-soluble imidazoline inhibiter 0.2-0.5, chitosan 0.3-0.6, mineral oil (technical grade) 0.8-1.2, water 100-150.
Optimum ratio is: magnesium chloride 5, calcium chloride 10, Xylo-Mucine 1, attapulgite 5, sodium sulfate 1, APG (APG) 2, water-soluble imidazoline inhibiter 0.3, chitosan 0.5, mineral oil (technical grade) 1, water 120.
Preparation method: above-mentioned raw materials is added to the water, adopts common whipping device to mix.
Using method: according to Dust Capacity size, above-mentioned dust-inhibitor dilution 20-100 doubly is sprayed at the exploitation place of the transport train of metal mining powder, metallic ore or metal mining powder, metallic ore, concrete spray method is with existing coal inhibitor.
The effect of each component is as follows:
Calcium chloride and magnesium chloride have certain moisture-absorption water-retention, and have preferably anti-evaporating, are conducive to keep the water content of dust-inhibitor, and have certain frost resistance.
Xylo-Mucine: the anionic ether of cellulose is white or oyster white fibrous powder or particle, odorless, tasteless almost, tool water absorbability.Be easy to be dispersed in water into transparent colloidal solution, insoluble in the organic solvents such as ethanol.Have the effects such as bonding, thickening, enhancing, emulsification, water conservation, suspension.
Sodium sulfate: have certain moisture-absorption water-retention, and can further strengthen the performance of Xylo-Mucine.
Attapulgite: be a kind of have a chain laminate structure contain Shuifu County's magnesium silicate clay mineral.Thickening property is good, and suspension is good, and absorption property is good, insulation, and unreactiveness, pollution-free, suppress microorganism growth, absorb poisonous volatile component, environmental protection.
APG APG: the composition that is formed by alkyl list glucoside, alkyl maltoside etc., APG of the present invention is preferably APG-0814(alkyl carbon number 8-14) or APG-1214(alkyl carbon number 12-14), APG is that the hemiacetal hydroxyl by sugar dewaters under an acidic catalyst effect with alcoholic extract hydroxyl group and the compound that generates, it is different from traditional emulsifying agent, it derives from natural raw material, do not contain oxyethane or other chemical solvents, and being easy to biological degradation and can not causing pollution to environment, is that a new generation is gentle, green, the environment-friendly type tensio-active agent.From molecular structure, APG belongs to nonionogenic tenside, but has the advantage of nonionic and anion surfactant concurrently: surface tension is low; Latherability is strong, and foam is fine and smooth, abundant, stable; Wettability is good; Compatibility is splendid, with other tensio-active agents good syneryistic effect is arranged, and is soluble in water without cloud point, is easy to dilution, and the gel-free phenomenon is easy to use; Anti-oxidant, anti-hard water, dispersion of calcium soap is strong; Green, nontoxic, non-stimulated, biological degradation is thorough rapidly; Has stronger broad spectrum antibiotic activity.Have easy degraded, do not pollute farm crop and the characteristics such as soil, good hygroscopicity.
The water-soluble imidazoline inhibiter: after being the reaction of naphthenic acid and organic polyamine, water-soluble, the oil-soluble inhibitor that form through modification.Under middle hot conditions, to HCl-H
2S-H
2The corrosion of O system has good restraining effect.
Chitosan: be to be obtained through deacetylation by the chitin (chitin) that nature extensively exists, have good film forming properties.
Mineral oil (white oil): molecular weight is usually all within the 250-450 scope.Have good oxidation stability, chemical stability, light stability, colourless, tasteless, do not corrode fiber textile.Have good moisturizing, emulsification and film forming properties.
Effect of the present invention is: the present invention is with magnesium chloride, calcium chloride, sodium sulfate, Xylo-Mucine, attapulgite, APG, water-soluble imidazoline class inhibiter, chitosan and mineral oil prescription, have fabulous moisture-absorption water-retention, good film-forming properties and coalescence performance, and stable, anticorrosive and good frost resistance, the more important thing is not and metal reaction, nonpoisonous and tasteless, have good using value.
Embodiment
Embodiment 1
Proportioning (weight part): magnesium chloride 5, calcium chloride 10, sodium sulfate 1, Xylo-Mucine 1, attapulgite 5, APG (APG-0814) 2, water-soluble imidazoline inhibiter (Wuhan profit Er Hua Science and Technology Ltd. produces) 0.3, chitosan 0.5, mineral oil (industrial grade white oil) 1, water 120.
Preparation method: above-mentioned raw materials is added to the water, adopts common whipping device to mix.
Application examples 1: choose 10 orders～30 purpose powdered iron ore, 50 ℃ of lower oven dry 300 minutes in baking oven, remove moisture.Then the powdered iron ore after will drying is contained in and (in the pallet of 300mm * 200mm * 30mm), makes the powdered iron ore surface concordant with the dish mouth, and weigh, be designated as W1.With 50 times of surfaces that are sprayed at above-mentioned powdered iron ore of dust-inhibitor dilution of embodiment 1, the sprinkling amount of diluent is 2.0kg/m
2, in baking oven, put into wind-tunnel behind 80 ℃ of lower baking 100min, be the deflation of carrying out 5min under the condition of 35m/s at the breeze surface wind speed, then weigh, the quality w2 of surplus products, as calculated, its wind erosion rate is 0.03%.Simultaneously, get respectively cured layer everywhere in pallet, survey its thickness with vernier callipers, thickness is 22.50-25.00mm.
Application examples 2: the dust-inhibitor of embodiment 1 is diluted 100 times.Store at copper mine, utilize water cannon on the water barrow diluent to be sprayed at the surface of copper mine, the sprinkling amount of diluent is 2.0kg/m
2, spray area is 1000m
2Observe after 30 minutes, the copper powder on copper mine surface begins conjunctiva, observes after 24 hours, and there is the conjunctiva of 3-12mm on the surface, is moisture state under the film.Observed afterwards in 3 days, conjunctiva is complete, still keeps moisture state under the film.
Embodiment 2
Proportioning (weight part): magnesium chloride 5, calcium chloride 10, sodium sulfate 1, Xylo-Mucine 1, attapulgite 6, APG (APG-0814) 2.5, water-soluble imidazoline inhibiter (Wuhan profit Er Hua Science and Technology Ltd. produces) 0.3, chitosan 0.6, mineral oil (industrial grade white oil) 1.2, water 130.
Preparation method: above-mentioned raw materials is added to the water, adopts common whipping device to mix.
Embodiment 3
Proportioning (weight part): magnesium chloride 5, calcium chloride 10, sodium sulfate 1, Xylo-Mucine 1, attapulgite 4, APG (APG-0814) 1.8, water-soluble imidazoline inhibiter (Wuhan profit Er Hua Science and Technology Ltd. produces) 0.3, chitosan 0.3, mineral oil (industrial grade white oil) 0.8, water 110.
Preparation method: above-mentioned raw materials is added to the water, adopts common whipping device to mix.
Claims (2)
1. a metal mining powder, the special-purpose dust-inhibitor of ore, it is characterized in that, formed by the component of following weight parts: magnesium chloride 4-6, calcium chloride 8-12, Xylo-Mucine 0.8-1.2, attapulgite 4-6, sodium sulfate 0.8-1.2, APG 1.5-2.5, water-soluble imidazoline inhibiter 0.2-0.5, chitosan 0.3-0.6, mineral oil 0.8-1.2, water 100-150.
2. the special-purpose dust-inhibitor of a kind of metal mining powder as claimed in claim 1, ore, it is characterized in that, formed by the component of following weight parts: magnesium chloride 5, calcium chloride 10, Xylo-Mucine 1, attapulgite 5, sodium sulfate 1, APG 2, water-soluble imidazoline inhibiter 0.3, chitosan 0.5, mineral oil 1, water 120.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310285306.1A CN103305189B (en) | 2013-07-08 | 2013-07-08 | Special dust-depressor for metal mineral powder and ores |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310285306.1A CN103305189B (en) | 2013-07-08 | 2013-07-08 | Special dust-depressor for metal mineral powder and ores |
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| CN103305189A true CN103305189A (en) | 2013-09-18 |
| CN103305189B CN103305189B (en) | 2014-08-06 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492202A (en) * | 2014-11-24 | 2015-04-08 | 中国科学院海洋研究所 | Applications of chitosan and chitosan derivative |
| CN109575882A (en) * | 2018-12-29 | 2019-04-05 | 北京首创博桑环境科技股份有限公司 | A kind of inhibition miberal powder and the dust suppressant of exposed ground dust and preparation method thereof |
| CN109652016A (en) * | 2018-12-29 | 2019-04-19 | 北京首创博桑环境科技股份有限公司 | A kind of inhibition miberal powder and the dust suppressant of exposed ground dust and preparation method thereof |
| CN109652017A (en) * | 2018-12-29 | 2019-04-19 | 北京首创博桑环境科技股份有限公司 | A kind of inhibition miberal powder and the dust suppressant of exposed ground dust and preparation method thereof |
| CN111349421A (en) * | 2020-04-24 | 2020-06-30 | 青岛神州通环保科技有限公司 | Environment-friendly dust suppressant and preparation method thereof |
| CN113694827A (en) * | 2021-08-27 | 2021-11-26 | 新希望六和股份有限公司 | Equidistant particle cutting method of centrifugal particle forming machine for feed production |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492202A (en) * | 2014-11-24 | 2015-04-08 | 中国科学院海洋研究所 | Applications of chitosan and chitosan derivative |
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| CN109652016A (en) * | 2018-12-29 | 2019-04-19 | 北京首创博桑环境科技股份有限公司 | A kind of inhibition miberal powder and the dust suppressant of exposed ground dust and preparation method thereof |
| CN109652017A (en) * | 2018-12-29 | 2019-04-19 | 北京首创博桑环境科技股份有限公司 | A kind of inhibition miberal powder and the dust suppressant of exposed ground dust and preparation method thereof |
| CN111349421A (en) * | 2020-04-24 | 2020-06-30 | 青岛神州通环保科技有限公司 | Environment-friendly dust suppressant and preparation method thereof |
| CN111349421B (en) * | 2020-04-24 | 2023-04-07 | 青岛科技大学 | Environment-friendly dust suppressant and preparation method thereof |
| CN113694827A (en) * | 2021-08-27 | 2021-11-26 | 新希望六和股份有限公司 | Equidistant particle cutting method of centrifugal particle forming machine for feed production |
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