CN101845291A - Dust inhibitor and preparation method thereof - Google Patents
Dust inhibitor and preparation method thereof Download PDFInfo
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- CN101845291A CN101845291A CN200910229754A CN200910229754A CN101845291A CN 101845291 A CN101845291 A CN 101845291A CN 200910229754 A CN200910229754 A CN 200910229754A CN 200910229754 A CN200910229754 A CN 200910229754A CN 101845291 A CN101845291 A CN 101845291A
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Abstract
The invention provides a dust inhibitor produced by tar residue, and a preparation method thereof, and belongs to the technical field of chemical materials. The dust inhibitor comprises the following components: 5% to 30% of polyacrylic resin, 0.5% to 2% of ethylene glycol, 20% to 30% of tar emulsion, 2% to 5% of SDBS, 0.5% to 1% of surfactant, 10% to 15% of hygroscopic matter, and reverse osmosis water. The preparation method comprises the following steps that: the tar residue is emulsified under the action of a demulsifier SDBS (ABS) and an emulsifier, and then the ethylene glycol, polyacrylic acid resin, the surfactant peregal and the hygroscopic matter calcium chloride are added to be evenly stirred to obtain the dust inhibitor. The invention has simple process and low cost, utilizes reverse osmosis concentrated wastewater, not only protects the environment, but also has good economic efficiency, and is a green circular economy project. The dust inhibitor provided by the invention has more than 90% of dust inhibition rate.
Description
Technical field
The invention belongs to chemical material technical field, be specifically related to a kind of dust inhibitor and preparation method thereof.
Background technology
Iron And Steel Industry is the important foundation industry of Chinese national economy, also is one of serious industrial sector of energy consumption and environmental pollution simultaneously.Environmental pollution is one of important factor of restriction Iron and Steel Production, and particularly dust pollution is particularly serious.Dust brings very big harm to us, health as the crisis people, cause professional respiratory tract disease, 10um just can cause uncomfortable in chest to the dust of 15 μ m, can suck lung less than 10 μ m dust, dust can also absorb solar ultraviolet shortwave part in a large number, and this will influence children's growth, dust pollution can make the mankind and animal die from various diseases more even extinction, makes the celestial body of this beauty of the earth become as the inanimate gloomy world as the moon; Meticulous dust sets off an explosion easily and catches fire; The environment visibility is reduced; Influence equipment life etc.Reduce the generating capacity of dust pollution thing, control and elimination dust pollution factor are radical change tradition Iron And Steel Industry images to the influence of environment, walk the important topic with environmental harmony and Sustainable development.
So very harmful dust pollution more and more is subjected to people's attention and attention, and the mankind just are placed on a new high to dust pollution and re-recognize, and control power in find out various new, administer method effectively, easily.
Chinese patent literature CN101490206 discloses a kind of dust suppressant composition, and it comprises polyvinyl alcohol, acrylic latex, glycerine, based on organosilyl tensio-active agent with based on the aqueous solution of the wetting agent of polysiloxane.Said composition comprises about 10 to about 46% polyvinyl alcohol, about 20 to about 60% acrylic latex, about 0.6 to about 7.0% glycerine, about 0.1 to about 1.5% the wetting agent based on polysiloxane based on organosilyl tensio-active agent and about 0.001 to about 0.5%.Said composition provides polymeric film on the dust material, form homogeneous and resistant layer thus.Said composition is applied to (preferably sprays application on the material) on the dust material and at room temperature carry out drying, low surface tension can be provided, thereby cause wetting of particulates and material cohesion.
Chinese patent literature CN101177604 discloses a kind of open coal dust pollution inhibitor and preparation method thereof, inhibitor is by the compound water-based material of forming of multiple compound, and each component and shared weight percent thereof are: main film-forming resin: 15～20%, auxilliary film-forming resin: 25～30%, thickening material: 1～2%, dispersion agent: 15～20%, Antisepticize and mildew preventive: 2～3%, anti-settling agent: 1～2%, defoamer: powder 2%: 15～20%, mill base: 3～5%.
Summary of the invention
An object of the present invention is to provide a kind of dust inhibitor, this dust inhibitor utilizes coke tar refuse to form the macromole oil film, is sprayed onto on the dust windrow, forms the crust layer on the dust windrow, can effectively suppress dust because of by the secondary fly-up of reasons such as wind.
Another object of the present invention provides a kind of preparation method of above-mentioned dust inhibitor.
A kind of dust inhibitor is characterized in that, is made up of following composition by weight percentage:
Polyacrylic resin: 5%～30%
Ethylene glycol: 0.5%～2%
Tar emulsion: 20%～30%
Emulsion splitter: 2%～5%
Tensio-active agent: 0.5%～1%
Hygroscopic matter: 10%～15%
All the other are water.
Preferably, described water is reverse osmosis water.
Preferably, described emulsion splitter is selected from polyacrylamide emulsion splitter, thousand basic phenol polyethenoxy ether emulsion splitters, polyoxyethylene polyoxypropylene resol emulsion splitter, the methyl methacrylate-butyl acrylate-styrene derivatives terpolymer emulsion splitter of Sodium dodecylbenzene sulfonate, calcium dodecylbenzene sulphonate, polyoxyethylene polyoxypropylene polyether demulsification agent, hydrolysis.
Above-mentioned tensio-active agent is a peregal.
The average fatty alcohol-polyoxyethylene ether that adds as, structural formula: RO-(CH
2CH
2O)
n-H, R are alkyl, and n is 3,8,9,10,15,20,25,30,35, model: O-3, O-8, O-9, O-10, O-15, O-20, O-25, O-35, O-35.The peregal of various models is all applicable to the present invention.
Above-mentioned hygroscopic matter is selected from calcium chloride, sodium-chlor, magnesium chloride, Repone K, sal epsom, sodium sulfate or salt of wormwood.
A kind of preparation method of above-mentioned dust inhibitor is characterized in that, step is as follows:
(1) emulsion splitter is added in the entry, stir;
(2) with in the solution in the tar emulsion adding step (1), stir in mulser, the mulser rotating speed is controlled at 180～200r/s, emulsification 30～40 minutes;
(3) filter; The solids that filters out is sent into the coke-oven plant and is used for coal blending;
(4) ethylene glycol, polyacrylic resin are added in the filtrate of step (3), after stirring, add tensio-active agent and hygroscopic matter again;
(5) stir, get finished product.
Preferably, described water is reverse osmosis water.
Preferably, described emulsion splitter is selected from polyacrylamide emulsion splitter, thousand basic phenol polyethenoxy ether emulsion splitters, polyoxyethylene polyoxypropylene resol emulsion splitter, the methyl methacrylate-butyl acrylate-styrene derivatives terpolymer emulsion splitter of Sodium dodecylbenzene sulfonate, calcium dodecylbenzene sulphonate, polyoxyethylene polyoxypropylene polyether demulsification agent, hydrolysis.
Above-mentioned tensio-active agent is a peregal.
Above-mentioned hygroscopic matter is selected from calcium chloride, sodium-chlor, magnesium chloride, Repone K, sal epsom, sodium sulfate or salt of wormwood.
Described tar emulsion is obtained by coke tar refuse emulsification.Find according to experiment, under the effect of emulsion splitter and under the high speed shear of mulser, coke tar refuse obtains effective emulsification, and general about 30% coke tar refuse can emulsification, the solid that filters out about 70% comes, and what filter out does not have emulsified coke tar refuse to be recovered to the coke-oven plant to be used for coal blending.
The invention has the beneficial effects as follows: utilize the coking coke tar refuse, adopt simple technology, produce dust inhibitor; not only reduce cost, also utilized the dense water of effluxing of reverse osmosis, protected environment; and having favorable economic benefit, is environmental protection recycling economy project.Dust inhibitor provided by the invention can reach more than 90% the inhibiting rate of dust.
Description of drawings
Fig. 1 is a process flow sheet of the present invention.
Embodiment
The present invention will be further described below in conjunction with embodiment, but be not limited thereto.Used coke tar refuse is the coke tar refuse that produces when tar separates with ammoniacal liquor between coke-oven plant's recovery vehicle among the embodiment.
The tar emulsion is obtained by coke tar refuse emulsification.The coke tar refuse emulsification method is: add an amount of emulsion splitter Sodium dodecylbenzene sulfonate (ABS) earlier in water, stir, add an amount of coke tar refuse then, in mulser, stir, under the high speed shear effect of the effect of emulsion splitter and mulser, coke tar refuse obtains effective emulsification, and filtering out does not have the emulsive coke tar refuse to be recovered to coke-oven plant's coal blending, can emulsification by about 30% in the emulsification coke tar refuse, the solid that filters out about 70% comes.
Coke tar refuse emulsive parameter: water: 100kg, ABS:2kg, mulser rotating speed: 180r/s, emulsification times: 30min, coke tar refuse emulsification rate: 30%
Embodiment 1:
Get reverse osmosis concentrated water 437.5 grams, add emulsion splitter Sodium dodecylbenzene sulfonate (ABS) 22.5g, mixing, add and obtain tar emulsion 300g, on mulser with rotating speed: 180r/s, emulsification 30 minutes is filtered, add ethylene glycol 10g toward remaining liq, add the 100g polyacrylic resin, stir, add tensio-active agent peregal 5g, add calcium chloride 125g, stirring gets final product.
Embodiment 2:
Get reverse osmosis concentrated water 510 grams, add emulsion splitter Sodium dodecylbenzene sulfonate (ABS) 25g, mixing, add tar emulsion 240g, on mulser with rotating speed: 190r/s, emulsification 30 minutes is filtered, add ethylene glycol 15g toward remaining liq, add the 90g polyacrylic resin, stir, add tensio-active agent peregal 5g, add calcium chloride 115g, stirring gets final product.
Embodiment 3:
Get reverse osmosis concentrated water 490.5 grams, add emulsion splitter Sodium dodecylbenzene sulfonate (ABS) 20g, mixing, add tar emulsion 260g, on mulser with rotating speed: 180r/s, emulsification 35 minutes is filtered, add ethylene glycol 7.5g toward remaining liq, add the 110g polyacrylic resin, stir, add tensio-active agent peregal 7g, add calcium chloride 105g, stirring gets final product.
Embodiment 4:
Other are with embodiment 1, and difference is: calcium dodecylbenzene sulphonate replaces Sodium dodecylbenzene sulfonate, sodium-chlor to replace calcium chloride.
Embodiment 5:
Other are with embodiment 1, and difference is: the polyoxyethylene polyoxypropylene polyether demulsification agent replaces Sodium dodecylbenzene sulfonate, Repone K to replace calcium chloride.
Embodiment 6:
Other are with embodiment 1, and difference is: the polyoxyethylene nonylphenol ether emulsion splitter replaces Sodium dodecylbenzene sulfonate, sal epsom to replace calcium chloride.
Embodiment 7:
Other are with embodiment 1, and difference is: polyoxyethylene polyoxypropylene resol emulsion splitter replaces Sodium dodecylbenzene sulfonate, sodium sulfate to replace calcium chloride.
Embodiment 8:
Other are with embodiment 1, and difference is: methyl methacrylate-butyl acrylate-styrene derivatives terpolymer emulsion splitter replaces Sodium dodecylbenzene sulfonate, salt of wormwood to replace calcium chloride.
Embodiment 9
The contriver carries out the complete preparation of dust inhibitor in the laboratory, table 1 has provided polyacrylic resin and ethylene glycol add-on test-results, and experiment finds to add the film forming that linking agent ethylene glycol can promote polyacrylic resin, coke tar refuse emulsion in process for preparation.
Test conditions is: dust inhibitor is pressed in the dust inhibitor dilution: water=1: 9.
Subjects is: the smart powder of negative 200 order iron
The smart powder shape of iron: taper
Flying dust flies upward condition: the 8kg air compressor machine brushes
Touchstone: brush the empty dust from flying with the 8kg air compressor machine and be as the criterion
Table 1: polyacrylic resin and ethylene glycol add-on test (by weight)
| Polyacrylic resin | ??30％ | ??20％ | ??15％ | ??12.5％ | ??10％ | ??7.5％ | ??5％ | ??2.5％ | ??1％ |
| Ethylene glycol | ??0.5％ | ??1％ | ??1％ | ??1.5％ | ??2％ | ??2％ | ??2％ | ??2.5％ | ??5％ |
| Have or not dust from flying | Do not have | Do not have | Do not have | Do not have | Do not have | Do not have | Do not have | Have | Have |
Claims (9)
1. a dust inhibitor is characterized in that, is made up of following composition by weight percentage:
Polyacrylic resin: 5%～30%
Ethylene glycol: 0.5%～2%
Tar emulsion: 20%～30%
Emulsion splitter: 2%～5%
Tensio-active agent: 0.5%～1%
Hygroscopic matter: 10%～15%
All the other are water.
2. dust inhibitor as claimed in claim 1 is characterized in that, described water is reverse osmosis concentrated water.
Dust inhibitor as claimed in claim 1, it is characterized in that described emulsion splitter is selected from polyacrylamide emulsion splitter, thousand basic phenol polyethenoxy ether emulsion splitters, polyoxyethylene polyoxypropylene resol emulsion splitter, the methyl methacrylate-butyl acrylate-styrene derivatives terpolymer emulsion splitter of Sodium dodecylbenzene sulfonate, calcium dodecylbenzene sulphonate, polyoxyethylene polyoxypropylene polyether demulsification agent, hydrolysis.
3. dust inhibitor as claimed in claim 1 is characterized in that, described tensio-active agent is a peregal.
4. dust inhibitor as claimed in claim 1 is characterized in that described hygroscopic matter is selected from calcium chloride, sodium-chlor, magnesium chloride, Repone K, sal epsom, sodium sulfate or salt of wormwood.
5. the preparation method of the described dust inhibitor of claim 1 is characterized in that, step is as follows:
(1) emulsion splitter is added in the entry, stir;
(2) with in the solution in the tar emulsion adding step (1), stir in mulser, the mulser rotating speed is controlled at 180～200r/s, emulsification 30～40 minutes;
(3) filter; The solids that filters out is sent into the coke-oven plant and is used for coal blending;
(4) ethylene glycol, polyacrylic resin are added in the filtrate of step (3), after stirring, add tensio-active agent and hygroscopic matter again;
(5) stir, get finished product.
6. as the preparation method of dust inhibitor as described in the claim 5, it is characterized in that described water is reverse osmosis concentrated water.
7. as the preparation method of dust inhibitor as described in the claim 5, it is characterized in that described emulsion splitter is selected from polyacrylamide emulsion splitter, thousand basic phenol polyethenoxy ether emulsion splitters, polyoxyethylene polyoxypropylene resol emulsion splitter, the methyl methacrylate-butyl acrylate-styrene derivatives terpolymer emulsion splitter of Sodium dodecylbenzene sulfonate, calcium dodecylbenzene sulphonate, polyoxyethylene polyoxypropylene polyether demulsification agent, hydrolysis.
8. as the preparation method of dust inhibitor as described in the claim 5, it is characterized in that described tensio-active agent is a peregal.
9. as the preparation method of dust inhibitor as described in the claim 5, it is characterized in that described hygroscopic matter is selected from calcium chloride, sodium-chlor, magnesium chloride, Repone K, sal epsom, sodium sulfate or salt of wormwood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102297543A CN101845291B (en) | 2009-10-30 | 2009-10-30 | Dust inhibitor and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102297543A CN101845291B (en) | 2009-10-30 | 2009-10-30 | Dust inhibitor and preparation method thereof |
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| Publication Number | Publication Date |
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| CN101845291A true CN101845291A (en) | 2010-09-29 |
| CN101845291B CN101845291B (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (11)
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| CN102408875A (en) * | 2011-09-28 | 2012-04-11 | 韩林华 | Mining high efficiency blister mud dedusting additive |
| CN102465711A (en) * | 2010-11-02 | 2012-05-23 | 山东科技大学 | Compound dust suppression agent for coal mine and preparation method of compound dust suppression agent |
| CN102660227A (en) * | 2012-05-02 | 2012-09-12 | 山西兆益矿用材料有限公司 | Road dust suppressant |
| CN105985753A (en) * | 2015-02-06 | 2016-10-05 | 宝山钢铁股份有限公司 | Foaming agent capable of inhibiting raise dust and injection apparatus thereof |
| CN106381129A (en) * | 2016-08-26 | 2017-02-08 | 山东钢铁股份有限公司 | Covering agent for preventing flying dusts of stockpile in steel plant |
| CN106701024A (en) * | 2017-02-21 | 2017-05-24 | 济南大学 | Road dust suppressant, and preparation and construction method thereof |
| CN106867458A (en) * | 2017-02-09 | 2017-06-20 | 王建伟 | A kind of chemical filming agent for solidifying function with surface heavy metal chelating |
| CN111205823A (en) * | 2020-03-06 | 2020-05-29 | 南通乐尔环保科技有限公司 | Composite dust suppressant |
| CN112812798A (en) * | 2021-01-26 | 2021-05-18 | 唐山钢铁集团有限责任公司 | Coking emulsion preparation device and process |
| CN113512405A (en) * | 2021-08-19 | 2021-10-19 | 中国矿业大学(北京) | Composite dust suppressant and preparation method and application thereof |
| CN115820212A (en) * | 2022-12-09 | 2023-03-21 | 中国铁路北京局集团有限公司北京科学技术研究所 | Solid coal dust suppressant |
Family Cites Families (3)
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| BRPI0602881A (en) * | 2006-07-21 | 2008-03-11 | 3M Innovative Properties Co | dust suppressing composition |
| CN100519686C (en) * | 2006-09-05 | 2009-07-29 | 盖州市有机化学厂 | Iron concentrate powder dustproof agent and preparation method thereof |
| CN101177604A (en) * | 2007-11-19 | 2008-05-14 | 冯威 | Open-type coal dust pollution inhibitor and method for preparing same |
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2009
- 2009-10-30 CN CN2009102297543A patent/CN101845291B/en not_active Expired - Fee Related
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| CN102465711A (en) * | 2010-11-02 | 2012-05-23 | 山东科技大学 | Compound dust suppression agent for coal mine and preparation method of compound dust suppression agent |
| CN102465711B (en) * | 2010-11-02 | 2014-08-13 | 山东科技大学 | Compound dust suppression agent for coal mine and preparation method of compound dust suppression agent |
| CN102408875A (en) * | 2011-09-28 | 2012-04-11 | 韩林华 | Mining high efficiency blister mud dedusting additive |
| CN102660227A (en) * | 2012-05-02 | 2012-09-12 | 山西兆益矿用材料有限公司 | Road dust suppressant |
| CN102660227B (en) * | 2012-05-02 | 2013-12-11 | 山西兆益矿用材料有限公司 | Road dust suppressant |
| CN105985753A (en) * | 2015-02-06 | 2016-10-05 | 宝山钢铁股份有限公司 | Foaming agent capable of inhibiting raise dust and injection apparatus thereof |
| CN106381129A (en) * | 2016-08-26 | 2017-02-08 | 山东钢铁股份有限公司 | Covering agent for preventing flying dusts of stockpile in steel plant |
| CN106381129B (en) * | 2016-08-26 | 2018-12-04 | 山东钢铁股份有限公司 | A kind of coverture of the material heap fugitive dust for preventing steel plant |
| CN106867458A (en) * | 2017-02-09 | 2017-06-20 | 王建伟 | A kind of chemical filming agent for solidifying function with surface heavy metal chelating |
| CN106867458B (en) * | 2017-02-09 | 2020-02-28 | 王建伟 | Chemical film covering agent with surface heavy metal chelating and curing functions |
| CN106701024A (en) * | 2017-02-21 | 2017-05-24 | 济南大学 | Road dust suppressant, and preparation and construction method thereof |
| CN106701024B (en) * | 2017-02-21 | 2019-04-19 | 济南大学 | Road dust suppressant and its preparation and construction method |
| CN111205823A (en) * | 2020-03-06 | 2020-05-29 | 南通乐尔环保科技有限公司 | Composite dust suppressant |
| CN112812798A (en) * | 2021-01-26 | 2021-05-18 | 唐山钢铁集团有限责任公司 | Coking emulsion preparation device and process |
| CN113512405A (en) * | 2021-08-19 | 2021-10-19 | 中国矿业大学(北京) | Composite dust suppressant and preparation method and application thereof |
| CN115820212A (en) * | 2022-12-09 | 2023-03-21 | 中国铁路北京局集团有限公司北京科学技术研究所 | Solid coal dust suppressant |
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