CN102433102A - Adhesive dust suppressant for preventing coal dust from being produced in transportation of coal - Google Patents
Adhesive dust suppressant for preventing coal dust from being produced in transportation of coal Download PDFInfo
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- CN102433102A CN102433102A CN2011102897304A CN201110289730A CN102433102A CN 102433102 A CN102433102 A CN 102433102A CN 2011102897304 A CN2011102897304 A CN 2011102897304A CN 201110289730 A CN201110289730 A CN 201110289730A CN 102433102 A CN102433102 A CN 102433102A
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Abstract
The invention belongs to the field of coal transportation, and particularly relates to a dust suppressant for preventing coal dust from being produced in the transportation of coal. Based on a surface adhesion fixation principle, a layer of adhesive is sprayed onto the surface of the coal layer on a coal transport vehicle to form a cured layer on the surface of the coal layer, so that the loss and environment pollution caused by fallen and thrown and spread dust and fine particle materials in a coal transportation process are reduced. The dust suppressant is prepared from modified lignin sulfonate serving as a substrate and starch serving as an auxiliary material, wherein the substrate is a high polymer, and the auxiliary material is an additive and conducts plasticizing and comprehensive performance improving functions. The dust suppressant has high adhering performance, and the cured layer formed has certain strength and toughness and is capable of resisting rain and water, keeping moisture and preventing freezing. When the dust suppressant is used, the coal loss and environment pollution caused by fallen and thrown and spread dust and particle materials in the coal transportation process are reduced; and the dust suppressant is environment-friendly, avoids causing pollution in production and use, avoids corrosion to vehicle carriage, is low in cost and easy to spray and use.
Description
Technical field:
The invention belongs to the transportation coal field, relate to a kind of Coal Transport that prevents specifically and produce the binding type dust-inhibitor of coal dust.
Background technology:
China is producing coal, use coal big country; Coal is in transportation, owing to jolt and the effect of wind-force, surface drying, thin coal dust, the coal grain that looses can be kicked up or be scattered the road surface; Caused that inspirable particle concentration sharply raises in the atmosphere, the circuit environment has been caused dust pollution in various degree.Have a strong impact on traffic safety, because goods runs off, also caused the certain economic loss simultaneously to the owner of cargo.Loose cargo transport dust controlling technology is widely used in transportation by railroad at present, and highway Coal Transport envelope dirt; Still be in the way that original cloth bag rope is tied; This method not only labour intensity is big, and that honey envelope is difficult to accomplish is tight, removes the coal grain that drops on the road; Roll coal dust one ripple repeatedly and do not fall it never rains but it pours.For carrying out the work of highway Coal Transport envelope dirt; [on business the envrionment conditions of road transportation is than transportation by railroad difference; So require the performance of dust-inhibitor should be higher than the technical requirements of railway with dust sealing agent], the present invention is exactly for adapting to a kind of binding type dust-inhibitor that the coal transport by road designs.
Summary of the invention:
The purpose of the present invention is; provide a good toughness, as Mo thick, and has anti-rain descended, Paul Nirvana and antifreeze properties produce good way to prevent coal dust coal transportation bond-type dust suppressants to overcome these shortcomings.The objective of the invention is to realize by following technical scheme:
A kind of Coal Transport that prevents produces the binding type dust-inhibitor of coal dust, and it is characterized in that: each composition weight content is in this dust-inhibitor:
The ME of described dust-inhibitor is:
First group: earlier with sulfonated lignin 30% heating, the ammonium persulphate (being a kind of industrial chemicals) that drips vinyl acetate 5%, vinylformic acid 8%, Bing Xisuandingzhi 3%, linking agent 8% (AP-4) and 0.2%-0.3% is for catalyzer carries out modification,
Second group: W-Gum 2% is heated to 85 degree gelatinizations, oxidation,
Second group joins first group and mixes; Add vinyl cyanide 2% then and Cuiization agent 0.03% connects side reaction; Add terminal agent 0.06% reaction and cooled to 55 degree adding skimmers 0.01% in two hours; Sanitas 0.01%, complexing agent 0.5%, toughner, (being a kind of resin of selling on the market) toughener (being a kind of linking agent of selling on the market), strong osmotic agent (being the fast T product of existing concentrated permeate agent on the market), water surplus, the discharging packing.
Advantage of the present invention is:
1) binding type dust-inhibitor adhesive property of the present invention is good, and the cured layer of formation has certain intensity, toughness, prevents that cured layer is broken in the automobile transportation;
2) the present invention have anti-drench with rain, water dashes, preserves moisture and resistance to frost, not because of drenching with rain and low temperature influences the adhesive property of cured layer;
3) the present invention does not influence the use properties of coal, to having no adverse effects of coal combustion value;
4) product of the present invention itself belongs to environmental type, in producing, using, does not produce environmental pollution;
5) product of the present invention is to the vehicle compartment non-corrosiveness;
6) cost of the present invention is low, is easy to spray use;
7) insulating covering agent sprinkling of the present invention is tight, and labour intensity is little, and flusher is fixed sprinkling, can establish Computerized monitor system; The present invention selects for use sulfonated lignin to be the by product of paper industry, and is cheap, and sulfonated lignin and vinyl monomer graft copolymerization preparation can be used for resisting the product of soil drifting; The present invention is raw material with sulfonated lignin, through with the graft modification of polymer monomer, prepare a kind of coal transportation dust-depressor; This dust-inhibitor is made by natural product; Nontoxic, the nonirritant of product, and biodegradable, compliance with environmental protection requirements; These dust-inhibitor raw material sources are wide, economical, inexpensive; Use this dust-inhibitor can not change the original quality of coal; Simultaneously since contain in the dust-inhibitor molecular structure hydroxyl, sulfonic group etc. can with coal particles bonded group; Utilize these groups that coal particles is bondd each other and form a cured layer; Avoid dust pollution and the loss of coal in railway transport course, certain economic benefits and environmental benefit are arranged, this dust-inhibitor is on probation in addition can be suitable for transport by road; Raw material sources of the present invention are abundant, genus natural environmental-protective raw material; Preparation technology is simple, facility investment is few, floor space is little, nonpoisonous and tasteless, environmentally safe; Quality product meets the technical requirements of Ministry of Railways's industry standard, solved coal in transportation coal dust, PM for particulate matter, descend slowly and lightly, shed the Coal Loss and the pollution on the environment that cause.
Below in conjunction with embodiment the present invention is further described,
Embodiment:
Embodiment: a kind of Coal Transport that prevents produces the binding type dust-inhibitor of coal dust; Be to utilize the surface adhesion fixation principle; Through at the coal seam of Coal Transport vehicle surface sprinkling one layer binder; Make its surface form cured layer, reduce coal coal dust and particulate thing in transportation and descend slowly and lightly and shed loss and the pollution on the environment that causes.This insulating covering agent is by base-material (modified lignin mahogany sulfonate) and composite the processing of auxiliary material (starch), and base-material is a high molecular polymer, and auxiliary material is an additive; Can play plasticising, improve the effect of over-all properties; At regulation timeliness natural degradation, nontoxic, non-advantage such as inflammable and explosive does not have influence to ature of coal; Environment is not had influence, do not cause secondary pollution.
Embodiment 1:
In March, 2010, April, August, September, Jixi City carried out the on-the-spot test run(s) of train No. 4 times in the Heilongjiang Province; Per car spray concentration is 5% dust-inhibitor 100kg; The spray flux that is every square metre is at 2.5kg, train from Jixi to Dandong or the whole experience in transit of North Platform repeatedly separate the volume operation; Through more tunnel and bridge; Go more than 1400 kilometer; The temperature Change scope is at-15 ℃～35 ℃; Through the meteorological changing conditions of complex natural.When arriving the point of destination, the coal situation of contrast car and instruction carriage can find out, do not spray in the contrast car of dust-inhibitor more greatly to the both sides, compartment, and more short grained coal formed airborne dust and blown down the compartment, the decline of whole coal seam height.Compare with the contrast car, the vehicle that sprays dust-inhibitor arrives the still complete one in coal surface behind the point of destination; Owing to jolt, cured layer is with the whole decline 10cm～20cm of coal body, but cured layer is not destroyed, and also do not form ghost; Though the cured layer surface has crackle, cured layer to have certain toughness and cohesiveness, is not blown up; Dust-inhibitor does not have corrosion to car body, easy-clear; Remove moisture evaporation and ooze the amount of spilling, practice thrift about cleaned coal 300kg, obviously reduce the coal dust pollution, and practiced thrift coal resources through station measurement at whole story per car.
Embodiment 2:
On October 14th, 2010, I unite the place's environmental protection of Jinan Railway Bureau meter system and do on the dump of Jinan Railway Bureau Jinan west locomotive depot boiler coal storage plant and carried out the dust suppression test.The stockpile flusher that we use is made up of water pump, spray gun and shower nozzle, container for storing liquid.(water pump: model IzDB 1 wherein, power 75ow, voltage 22ov, rotating speed Zs6or/m, rated flow 2 anti-/h, specified suction journey sm, rated head 45m.Spray gun:: flushing spray gun, specified hydraulic pressure 0.3kPa, rated flow 3m ,/h, range 20m.Spray nozzle diameter 6Inln, specified hydraulic pressure 2.5kPa, specified water yield 0.45m3/h.Nozzle cone angle 120).YCH type dust-inhibitor is pressed after sprinkling amount that ZKg/ expands sprays through the stockpile flusher, and the droplet of formation is tiny evenly, be sprayed at the goods surface after, can permeate very soon, not the footpath flow phenomenon.After the dump surface sprinkling drying, can form on the surface one deck thick, the successive tectum, form a whole, certain degree of hardness and flexible " shell " arranged, the surface does not have depression, flawless, 1 one 2 centimetres of cover thicknesss.Because the dust-inhibitor surface tension effects, there is certain shrink on the coal surface, and surperficial coal particles is arranged fine and close more, and wind does not have dust raising phenomenon later, and anti-dust effect is very obvious.We utilize blower to produce high 30m/S, and (108 shy/h) wind speed, level is blown over and is sprayed coal surface after the dust-inhibitor drying, and no particle blows, no dust raising phenomenon generation.We put into the beaker of filled with water spraying coal tack coat after the dust-inhibitor drying, observe after soaking a week, and water body still keeps water white transparency, water-bed no cinder, and the coal seam still stands intact; After from beaker, taking out the coal seam, the coal seam shape that still holds its shape still keeps certain rigidity and toughness.We put into west, Jinan locomotive depot one 10 ℃ of refrigerators in laboratory spraying coal tack coat after the dust-inhibitor drying, observe after the freezing week, and the coal seam shape that still holds its shape still keeps certain rigidity and toughness.Jinan west locomotive depot laboratory to raw coal and the coal sample after spraying dust-inhibitor carried out the high and low position test of heating value of coal.Experiment showed, that dust-inhibitor does not influence the burning of coal value.Evidence; Through spraying YCH type dust-inhibitor; PM for particulate matter such as coal, breeze can form continuously and have certain intensity and flexible cured layer, even under the deflation of 108km/h wind speed and under the environment that drench with rain summer, winter is freezing, still can keep good bond state; Reach the dust suppression purpose, dust-inhibitor does not influence the burning of coal value simultaneously.
During use, very convenient, directly a kind of binding type dust-inhibitor that prevents that Coal Transport from producing coal dust of the present invention is sprayed onto on the coal of transportation and gets final product.
Claims (2)
1. one kind prevents that Coal Transport from producing the binding type dust-inhibitor of coal dust, and it is characterized in that: each composition weight content is in this dust-inhibitor:
2. a kind of Coal Transport that prevents according to claim 1 produces the binding type dust-inhibitor of coal dust, and it is characterized in that: the ME of described dust-inhibitor is:
First group: with sulfonated lignin 30% heating, drip vinyl acetate 5%, vinylformic acid 8%, Bing Xisuandingzhi 3%, linking agent 8%AP-4, ammonium persulphate 0.2%-0.3% earlier, for catalyzer carries out modification,
Second group: W-Gum 2% is heated to 85 degree gelatinizations, oxidation,
Second group joins first group and mixes; Add vinyl cyanide 2% then and Cuiization agent 0.03% connects side reaction; Add terminal agent 0.06% reaction and cooled to 55 degree adding skimmers 0.01% in two hours; Sanitas 0.01%, complexing agent 0.5%, toughner, toughener, strong osmotic agent, water surplus, the discharging packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102897304A CN102433102A (en) | 2011-09-28 | 2011-09-28 | Adhesive dust suppressant for preventing coal dust from being produced in transportation of coal |
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| CN2011102897304A CN102433102A (en) | 2011-09-28 | 2011-09-28 | Adhesive dust suppressant for preventing coal dust from being produced in transportation of coal |
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| CN102433102A true CN102433102A (en) | 2012-05-02 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103275646A (en) * | 2013-06-14 | 2013-09-04 | 陈峰磊 | Water-soluble starch binding material and preparation method thereof |
| CN103320094A (en) * | 2013-06-28 | 2013-09-25 | 陕西煤业化工技术研究院有限责任公司 | Solid chemical dust suppression agent and preparation method thereof |
| CN104817997A (en) * | 2015-03-30 | 2015-08-05 | 内蒙古博冉科技有限责任公司 | Solid dust suppressant |
| CN105694815A (en) * | 2016-01-27 | 2016-06-22 | 成都骏彩科技有限公司 | Anti-haze dust suppressant and preparation method thereof |
| CN105950116A (en) * | 2016-05-04 | 2016-09-21 | 山东科技大学 | Environmentally-friendly coal transporting and stockpiling dust inhibitor and preparation method thereof |
| CN106243592A (en) * | 2016-08-30 | 2016-12-21 | 柴海林 | Purposes that a kind of environment-friendly type degradable emulsion covers for bank crust and preparation method thereof |
| CN107760267A (en) * | 2017-10-12 | 2018-03-06 | 王玉红 | A kind of antibacterial Coal Dust Restrainer and preparation method thereof |
| CN107816363A (en) * | 2017-10-14 | 2018-03-20 | 巴彦淖尔西部铜业有限公司 | A kind of dust-removing method of Underground Metallic Mines |
| CN108864382A (en) * | 2018-07-02 | 2018-11-23 | 山东科技大学 | A kind of dibutyl phthalate and preparation method for coal mine atomizing de-dusting |
| CN112375544A (en) * | 2020-08-21 | 2021-02-19 | 中煤科工集团重庆研究院有限公司 | Environment-friendly water-soluble polymer cross-linking film-forming dust suppressant and preparation method thereof |
| CN112391144A (en) * | 2020-11-16 | 2021-02-23 | 河南省化工研究所有限责任公司 | Anti-freezing liquid dust suppressant and preparation method thereof |
| CN113248670A (en) * | 2021-04-07 | 2021-08-13 | 河北化工医药职业技术学院 | Crosslinked vinyl acetate-acrylic acid block copolymer emulsion type dust suppressant and preparation method thereof |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103275646A (en) * | 2013-06-14 | 2013-09-04 | 陈峰磊 | Water-soluble starch binding material and preparation method thereof |
| CN103275646B (en) * | 2013-06-14 | 2016-01-20 | 宁波高新区金杉新能源科技有限公司 | Water soluble starch caking agent and preparation method thereof |
| CN103320094A (en) * | 2013-06-28 | 2013-09-25 | 陕西煤业化工技术研究院有限责任公司 | Solid chemical dust suppression agent and preparation method thereof |
| CN103320094B (en) * | 2013-06-28 | 2015-07-01 | 陕西煤业化工技术研究院有限责任公司 | Solid chemical dust suppression agent and preparation method thereof |
| CN104817997A (en) * | 2015-03-30 | 2015-08-05 | 内蒙古博冉科技有限责任公司 | Solid dust suppressant |
| CN105694815A (en) * | 2016-01-27 | 2016-06-22 | 成都骏彩科技有限公司 | Anti-haze dust suppressant and preparation method thereof |
| CN105950116A (en) * | 2016-05-04 | 2016-09-21 | 山东科技大学 | Environmentally-friendly coal transporting and stockpiling dust inhibitor and preparation method thereof |
| CN106243592A (en) * | 2016-08-30 | 2016-12-21 | 柴海林 | Purposes that a kind of environment-friendly type degradable emulsion covers for bank crust and preparation method thereof |
| CN107760267A (en) * | 2017-10-12 | 2018-03-06 | 王玉红 | A kind of antibacterial Coal Dust Restrainer and preparation method thereof |
| CN107816363A (en) * | 2017-10-14 | 2018-03-20 | 巴彦淖尔西部铜业有限公司 | A kind of dust-removing method of Underground Metallic Mines |
| CN108864382A (en) * | 2018-07-02 | 2018-11-23 | 山东科技大学 | A kind of dibutyl phthalate and preparation method for coal mine atomizing de-dusting |
| CN108864382B (en) * | 2018-07-02 | 2019-10-01 | 山东科技大学 | A kind of dibutyl phthalate and preparation method for coal mine atomizing de-dusting |
| CN112375544A (en) * | 2020-08-21 | 2021-02-19 | 中煤科工集团重庆研究院有限公司 | Environment-friendly water-soluble polymer cross-linking film-forming dust suppressant and preparation method thereof |
| CN112391144A (en) * | 2020-11-16 | 2021-02-23 | 河南省化工研究所有限责任公司 | Anti-freezing liquid dust suppressant and preparation method thereof |
| CN112391144B (en) * | 2020-11-16 | 2023-03-28 | 河南省化工研究所有限责任公司 | Anti-freezing liquid dust suppressant and preparation method thereof |
| CN113248670A (en) * | 2021-04-07 | 2021-08-13 | 河北化工医药职业技术学院 | Crosslinked vinyl acetate-acrylic acid block copolymer emulsion type dust suppressant and preparation method thereof |
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Application publication date: 20120502 |