CN106957633B - A kind of efficient and environment-friendly type dust suppressant and preparation method thereof, application - Google Patents
A kind of efficient and environment-friendly type dust suppressant and preparation method thereof, application Download PDFInfo
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- CN106957633B CN106957633B CN201710188663.4A CN201710188663A CN106957633B CN 106957633 B CN106957633 B CN 106957633B CN 201710188663 A CN201710188663 A CN 201710188663A CN 106957633 B CN106957633 B CN 106957633B
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- 239000000428 dust Substances 0.000 title claims abstract description 104
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000004816 latex Substances 0.000 claims abstract description 15
- 229920000126 latex Polymers 0.000 claims abstract description 15
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 14
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 14
- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000661 sodium alginate Substances 0.000 claims abstract description 12
- 235000010413 sodium alginate Nutrition 0.000 claims abstract description 12
- 229940005550 sodium alginate Drugs 0.000 claims abstract description 12
- 229920002678 cellulose Polymers 0.000 claims abstract description 11
- 239000001913 cellulose Substances 0.000 claims abstract description 11
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 9
- 239000002245 particle Substances 0.000 claims abstract description 9
- 235000019795 sodium metasilicate Nutrition 0.000 claims abstract description 9
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 9
- 229920000881 Modified starch Polymers 0.000 claims abstract description 8
- 239000004368 Modified starch Substances 0.000 claims abstract description 8
- 235000011187 glycerol Nutrition 0.000 claims abstract description 8
- 235000019426 modified starch Nutrition 0.000 claims abstract description 8
- 239000004094 surface-active agent Substances 0.000 claims abstract description 8
- 238000010521 absorption reaction Methods 0.000 claims abstract description 6
- 230000001629 suppression Effects 0.000 claims description 30
- 239000003795 chemical substances by application Substances 0.000 claims description 11
- 239000004814 polyurethane Substances 0.000 claims description 10
- 229920002635 polyurethane Polymers 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 8
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical compound [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 5
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 5
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 5
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 5
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 5
- 239000002736 nonionic surfactant Substances 0.000 claims description 5
- -1 polyethylene Polymers 0.000 claims description 5
- 239000000843 powder Substances 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000003945 anionic surfactant Substances 0.000 claims description 4
- 239000001768 carboxy methyl cellulose Substances 0.000 claims description 4
- 239000002174 Styrene-butadiene Substances 0.000 claims description 3
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 claims description 3
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 claims description 3
- 239000002994 raw material Substances 0.000 claims description 3
- 235000019812 sodium carboxymethyl cellulose Nutrition 0.000 claims description 3
- 229920001027 sodium carboxymethylcellulose Polymers 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000011115 styrene butadiene Substances 0.000 claims description 3
- 229920003048 styrene butadiene rubber Polymers 0.000 claims description 3
- JYTNGEWJAZCVAN-UHFFFAOYSA-N 2-hexadecylbenzenesulfonic acid;sodium Chemical compound [Na].CCCCCCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O JYTNGEWJAZCVAN-UHFFFAOYSA-N 0.000 claims description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 2
- 239000004698 Polyethylene Substances 0.000 claims description 2
- OZTWMWJSXBSVAQ-UHFFFAOYSA-N [Na].C(CCCCCCCCCCCCCCCC)C1=C(C=CC=C1)S(=O)(=O)O Chemical compound [Na].C(CCCCCCCCCCCCCCCC)C1=C(C=CC=C1)S(=O)(=O)O OZTWMWJSXBSVAQ-UHFFFAOYSA-N 0.000 claims description 2
- WSVQZZFFMBFCKH-UHFFFAOYSA-N [Na].C(CCCCCCCCCCCCCCCCC)C1=C(C=CC=C1)S(=O)(=O)O Chemical compound [Na].C(CCCCCCCCCCCCCCCCC)C1=C(C=CC=C1)S(=O)(=O)O WSVQZZFFMBFCKH-UHFFFAOYSA-N 0.000 claims description 2
- 229920003063 hydroxymethyl cellulose Polymers 0.000 claims description 2
- 229940031574 hydroxymethyl cellulose Drugs 0.000 claims description 2
- 229920000573 polyethylene Polymers 0.000 claims description 2
- 239000011734 sodium Substances 0.000 claims description 2
- 229910052708 sodium Inorganic materials 0.000 claims description 2
- 159000000000 sodium salts Chemical class 0.000 claims description 2
- ZIGVUIYVPLQEAL-UHFFFAOYSA-M sodium;2-tetradecylbenzenesulfonate Chemical compound [Na+].CCCCCCCCCCCCCCC1=CC=CC=C1S([O-])(=O)=O ZIGVUIYVPLQEAL-UHFFFAOYSA-M 0.000 claims description 2
- RCEAADKTGXTDOA-UHFFFAOYSA-N OS(O)(=O)=O.CCCCCCCCCCCC[Na] Chemical compound OS(O)(=O)=O.CCCCCCCCCCCC[Na] RCEAADKTGXTDOA-UHFFFAOYSA-N 0.000 claims 2
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims 2
- 229920001479 Hydroxyethyl methyl cellulose Polymers 0.000 claims 1
- QGTZQAJISIKIHX-UHFFFAOYSA-N [S].C(CCCCCCCCCCCCCC)C1=CC=CC=C1 Chemical compound [S].C(CCCCCCCCCCCCCC)C1=CC=CC=C1 QGTZQAJISIKIHX-UHFFFAOYSA-N 0.000 claims 1
- 150000001450 anions Chemical group 0.000 claims 1
- 239000013049 sediment Substances 0.000 claims 1
- 239000008187 granular material Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 11
- 229940068984 polyvinyl alcohol Drugs 0.000 description 9
- 235000019422 polyvinyl alcohol Nutrition 0.000 description 9
- 239000002689 soil Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 229910052500 inorganic mineral Inorganic materials 0.000 description 6
- 239000011707 mineral Substances 0.000 description 6
- 230000003020 moisturizing effect Effects 0.000 description 6
- 239000003245 coal Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 230000003628 erosive effect Effects 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- SNRUBQQJIBEYMU-UHFFFAOYSA-N dodecane Chemical compound CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 229910052752 metalloid Inorganic materials 0.000 description 2
- 150000002738 metalloids Chemical class 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RZYKUPXRYIOEME-UHFFFAOYSA-N CCCCCCCCCCCC[S] Chemical compound CCCCCCCCCCCC[S] RZYKUPXRYIOEME-UHFFFAOYSA-N 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- CZEYPXHFPYFNTP-UHFFFAOYSA-N [Na].C(CCCCCCCCCCCCCC)C1=C(C=CC=C1)S(=O)(=O)O Chemical compound [Na].C(CCCCCCCCCCCCCC)C1=C(C=CC=C1)S(=O)(=O)O CZEYPXHFPYFNTP-UHFFFAOYSA-N 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000003906 humectant Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 210000000998 shell membrane Anatomy 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/22—Materials not provided for elsewhere for dust-laying or dust-absorbing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Detergent Compositions (AREA)
- Road Paving Structures (AREA)
Abstract
The invention provides a kind of efficient and environment-friendly type dust suppressant and preparation method thereof, application.The present invention solves that existing product function is single, introduces secondary pollution problems, and is widely used, the less road of the dust granules that are particularly suitable for use in, such as the seizure absorption to total suspended particles (TSP), PM10, PM2.5 and nitrogen oxides.The efficient and environment-friendly type dust suppressant of the present invention is mainly mixed by following component：By weight, latex 0.1 7%, modified starch/modified cellulose 0.1 6%, sodium alginate 0.1 5%, polyvinyl alcohol 0.1 8%, sodium metasilicate 0.1 8%, glycerine 10 60%, surfactant 0.01 5%, water surplus.
Description
Technical field
The present invention relates to field of sanitation, more particularly, to a kind of efficient and environment-friendly type dust suppressant and preparation method thereof, application.
Background technology
Particulate Pollution is very wide to the coverage of China's urban air-quality, is the primary of most cities air pollution
Factor.Typically mainly have to the Preventing Countermeasures of open dust source control both at home and abroad watering dust suppression, cover dust suppression, set windbreak dust suppression,
Build enclosed construction, chemical dust suppression etc..Watering dust suppression not only causes the waste of great lot of water resources, and due to our north ground
Area's summer temperature is high, and evaporation is fast (general sprinkling can only once keep 10min or so), and winter temperature is low, easily freezes, therefore,
Its practical application is very limited.Bulk cargo cover woven cloth low intensity, it is smooth, in light weight, easily go for a drive, service life is short,
Cost is high, not only causes the waste of resource, and covers and bothered with bavin pile process, is unfavorable for the speed-raising synergy of operation.Keep out the wind
Dust suppression wall and construction enclosed construction dust suppression one-time investment are huge, and can not catch the aerial dust of floating, for not
Disconnected to have operation area caused by new dust, its dust suppression is limited in one's ability.The method of chemical dust suppression is just each for the world from the date of birth
Institute of state is widely used, achieves good effect, is considered as to solve the dirt of open dust source control airborne dust in scientific research and industry park plan
The best approach of dye.
Existing dust suppressant is broadly divided into wet type, caking property, moisture-absorbing moisture-keeping type and multifunctional and composite type, wherein function list
One it is in the majority, and compound dust suppressant report it is less.In general, single dust suppressant anti-dust effect is undesirable.It is domestic at present
It is outer not yet develop it is a kind of be generally applicable, the universal dust suppressant that anti-dust effect is good, and applied widely and effect is preferably answered
The research of mould assembly dust suppressant also just starts to walk.Therefore, a kind of environmentally friendly road surface dust suppression with good anti-dust effect is developed
Agent is technical barrier urgently to be resolved hurrily at present.
In view of this, it is special to propose the present invention.
The content of the invention
It is an object of the invention to provide a kind of efficient and environment-friendly type dust suppressant, described dust suppressant solves existing product work(
Can single, introducing secondary pollution problems.
The second object of the present invention is the preparation method for providing above-mentioned efficient and environment-friendly type dust suppressant, the letter of described method
List, efficient, cost is low, easy to spread.
The third object of the present invention is the application for providing above-mentioned efficient and environment-friendly type dust suppressant, and it is widely used, and can be used for
Coal and each metalloid, nonmetallic minery, mineral powder slag muck stock ground, coal and mineral powder transportation, mineral earthwork storage unloading area,
Demolishing buildings, building roadside, thermal power plant, cement plant, steel plant, Metallurgical Factory, dust workshop, artificial beach and desertification
The places such as area, the less road of the dust granules that are particularly suitable for use in, such as to total suspended particles (TSP), PM10, PM2.5 and nitrogen
The seizure absorption of oxide.
In order to reach object above, the invention provides following technical scheme：
A kind of efficient and environment-friendly type dust suppressant, is mainly mixed by following component：By weight,
Latex 0.1-7%,
Modified starch/modified cellulose 0.1-6%,
Sodium alginate 0.1-5%,
Polyvinyl alcohol 0.1-8%,
Sodium metasilicate 0.1-8%,
Glycerine 10-60%,
Surfactant 0.01-5%,
Water surplus.
Formula is lived from the different high molecular polymer of multiple functions and the moisture-absorption humectant of small molecule and surface above
Property agent combines, and can effectively catch, adsorb, reunion dust particle, especially the less particle of particle diameter (TSP, PM10,
PM2.5, nitrogen oxides, vehicle exhaust etc.), while also there is the effect such as moistening, moisture absorption, anti-etch.What above dust suppressant was formed
Tack coat also has very big intensity, can resist washing away for general nature weather.
Through statistics, the moisturizing rate of dust suppressant provided by the invention is up to more than 40%, and dust suppression efficiency high is sprayed up to more than 90%
The dust suppression cycle once is applied up to more than 7 days.
In addition, all component of dust suppressant of the present invention or natural materials, or can natural degradation, therefore will not introduce
Secondary pollution, it is feature of environmental protection inorganic agent.
It should be noted that the effect of the present invention is not to be realized by each component simple superposition, but by each
Component organic coordination cooperative achievement, i.e., each composition not just plays single main functionality, also plays secondary function,
Secondary function may cooperate with completion with other compositions.For example, sodium metasilicate is while water absorbing properties are played, also with modified starch/
Modified cellulose plays collaboration cementation；Glycerine has excellent moisture retention, moisture can be absorbed from air, in dust
One layer of water conservation layer is formed under the shell membrane on surface, so as to play a part of wetting, it also cooperates with latex and play water conservation, anti-evaporating
Effect, substantially increase the dust suppression efficiency of dust suppressant.
In order to obtain higher moisturizing rate and dust suppression efficiency, longer dust suppression cycle, each composition of above-mentioned formula preferably selects
To Types Below, such as：
Preferably, the one kind or more of the latex in aqueous polyurethane, styrene-butadiene latex, pure third latex or Heveatex
Kind, preferably aqueous polyurethane, more preferably anion-type water-thinned polyurethane, its solid content are preferably 50%.
Preferably, one kind in anion surfactant, nonionic surfactant of the surfactant or
Both mixing.
Preferably, the anion surfactant is selected from neopelex, dodecyl sodium sulfate, dodecane
Base sodium sulphate, myristyl benzene sulfonic acid sodium salt, Pentadecylbenzene sulfonic acid sodium, cetyl benzenesulfonic acid sodium, Heptadecylbenzene sulfonic acid sodium,
One or more in octadecyl benzenesulfonic acid sodium, preferably neopelex, dodecyl sodium sulfate, dodecyl sulphur
One or more in sour sodium.
Preferably, the nonionic surfactant is AEO, preferred molecular weight be 300-330 or
575-605。
Preferably, the viscosity of the sodium alginate is 50-600cps, preferably 200-400cps.
Preferably, the molecular weight of the polyvinyl alcohol is 20,000-30 ten thousand.
Preferably, the modified starch is CMS and its sodium salt.
Preferably, the modified cellulose is carboxymethyl cellulose, sodium carboxymethylcellulose, hydroxymethyl cellulose, hydroxyl second
One or more of mixtures in ylmethyl cellulose, hydroxypropyl methyl cellulose, preferably hydroxypropyl methyl cellulose.
Equally, the content of each composition also has a major impact to performance of keeping humidity and dust suppression performance, to obtain the comprehensive of higher level
Performance is closed, is preferably as follows：
By weight,
Latex 0.3-7%, more preferably 0.3-1%, for example, 0.3%, 0.4%, 0.5%, 0.6%, 0.7%, 0.8%,
0.9% etc..
Modified starch/modified cellulose 0.2-6%, preferably 0.2-0.5%, such as 0.3%, 0.4%, 0.5%, 0.2%.
Sodium alginate 0.1-5%, preferably 1-3%, such as 1.2%, 1.4%, 1.5%, 1.6%, 2%, 2.5%, 3%
Deng.
Polyvinyl alcohol 0.12-8%, preferably 0.12-1%, preferably 0.12-0.5%, for example, 0.12%, 0.15%, 0.2%,
0.25%th, 0.3%, 0.35%, 0.4%, 0.45% etc..
Sodium metasilicate 0.1-8%, preferably 1-8%, preferably 1-5%, for example, 1%, 1.5%, 2%, 2.5%, 3%, 3.5%,
4%th, 4.5% etc..
Glycerine 20-60%, preferably 20-50%, such as 20%, 25%, 30%, 35%, 40%, 45% etc..
Surfactant 0.01-5%, preferably 0.01-0.02%, such as 0.015%, 0.02% etc..
Present invention also offers the preparation method of efficient and environment-friendly type dust suppressant above：
Dissolve polyvinyl alcohol in hot water, then itself and remaining raw material are mixed, produce product.
Specifically, first a certain amount of polyethylene alcohol and water is added in reactor, constant temperature (preferably 90-95 DEG C) has been heated to
Fully dissolved；
Then remaining composition and remaining water are added in container, stirred；
The solution that two steps obtain by more than mixes, and finally obtains milky white liquid, i.e. dust suppression agent solution.
As can be seen here, the above method only relates to simple physical mixed, therefore simple to operate, the reaction bar without harshness
Part, cost is relatively low, is more easy to promote.
Due to efficient and environment-friendly type dust suppressant of the present invention caking property, wettability, film forming, film-strength, antiscour,
Anti- etch has significant advantage, all has stable, stronger adsorption function, therefore the scope of application to the particle of different-grain diameter scope
Extensively, available for coal and each metalloid, nonmetallic minery, mineral powder slag muck stock ground, coal and mineral powder transportation, mineral earthwork storage
Deposit unloading area, demolishing buildings, build roadside, thermal power plant, cement plant, steel plant, Metallurgical Factory, dust workshop, artificial sand
The place such as beach and Desertification, the less road of the dust granules that are particularly suitable for use in, such as to total suspended particles (TSP), PM10,
The seizure absorption of PM2.5 and nitrogen oxides.
The application method of dust suppressant of the present invention based on spraying, will the efficient and environment-friendly type dust suppressant be sprayed on road surface i.e.
Can.
The dosage of dust suppressant of the present invention is preferably：1.5-3L/m2。
To sum up, compared with prior art, invention achieves following technique effect：
(1) moisture retention is stronger：Up to more than 40%；
(2) dust suppression stability is higher：The dust suppression cycle is at least 7 days；
(3) permeability is strong：Adsorption of dust can quickly be caught；
(4) specific aim is had more：The anti-dust effect on the road surface more to TSP, PM10, PM2.5 and nitrogen oxides is optimal；
(5) natural or degradable, the non-secondary pollution of materials.
Embodiment
Technical scheme is clearly and completely described below in conjunction with embodiment, but ability
Field technique personnel will be understood that following described embodiment is part of the embodiment of the present invention, rather than whole embodiments,
The present invention is merely to illustrate, and is not construed as limiting the scope of the present invention.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.Unreceipted actual conditions person in embodiment, the condition suggested according to normal condition or manufacturer are carried out.Agents useful for same or instrument
Unreceipted production firm person, it is the conventional products that can be obtained by commercially available purchase.
Embodiment 1
A kind of efficient and environment-friendly type dust suppressant：
According to formula as below feeding：By weight,
Anion-type water-thinned polyurethane (solid content 50%) 0.3%,
Sodium carboxymethylcellulose 0.2%,
Sodium alginate 0.1%,
Polyvinyl alcohol 1,750 0.12%,
Sodium metasilicate 0.1%,
Glycerine 20%,
Neopelex 0.02%,
Water surplus.
Preparation process：
(1) preparation of solution A：Polyvinyl alcohol and deionized water are added in reactor, constant temperature (90-95 DEG C) has been heated to
Fully dissolved；
(2) preparation of B solution：Remaining raw material and remaining deionized water are added in container, stirred；
(3) B solution is slowly added to solution A, and stirred, obtain milky white liquid, it is molten to produce the Road dust suppressant
Liquid.
Embodiment 2-3
From embodiment 1 to differ only in glycerine dosage different, respectively 40%, 50%.
Embodiment 4
Aqueous polyurethane is replaced with into styrene-butadiene latex with differing only in for embodiment 1.
Embodiment 5-7
It is different from the dosage for differing only in aqueous polyurethane of embodiment 1, respectively 0.2%, 1%, 7%.
Embodiment 8-10
It is different from the dosage for differing only in hydroxypropyl methyl cellulose of embodiment 1, respectively 0.1%, 0.5%,
6%.
Embodiment 11-12
Neopelex is replaced with into dodecyl sodium sulfate, fat respectively with differing only in for embodiment 1
Alcohol APEO AEO-3.
Embodiment 13-14
It is different from the type for differing only in sodium alginate and dosage of embodiment 1, it is respectively 200cps's from viscosity
The sodium alginate 3% of sodium alginate 1%, 400cps.
Embodiment 15-16
Different from the molecular weight for differing only in polyvinyl alcohol and dosage of embodiment 1, respectively molecular weight 2.2 ten thousand is poly-
Vinyl alcohol 0.12%, the polyvinyl alcohol 0.5% of molecular weight 10.5 ten thousand.
Embodiment 17-19
It is different from the dosage for differing only in sodium metasilicate of embodiment 1, respectively 1%, 5%, 8%.
Comparative example 1-5
Dust suppressant model selected by comparative example 1-5 is respectively BSS, YYJ, WH, DS, RC.
Moisturizing and the dust suppression performance of all of above product are tested, as a result such as table 1.
The detection method of moisturizing efficiency：
Soil pretreatment：
10 mesh and following soil sample are chosen, dries 300min under 50 DEG C of temperature conditionss in an oven, moisture is removed, is put into dry
Dry device is standby.
The soil sample (pretreatment) that certain mass particle diameter is weighed less than 10 mesh is put into culture dish, the dust suppression of measured amounts
Agent solution is uniformly added drop-wise to soil sample surface, and after it is slowly infiltrated through in soil sample, dirt ware is put into 40 DEG C of thermostatic drying chamber
Middle drying, the quality of a dirt ware is weighed every a hour, the moisturizing rate of sample is calculated according to formula (1).
Wherein, η is moisturizing rate, %；m0For the quality of dust suppression agent solution dust kicked up by somebody walking in front ware, g is added dropwise；miTo be dried to i-th hour dirt
The quality of ware, g；M is that the dirt ware quality of dust suppression agent solution, g are not added dropwise.
The detection method of dust suppression efficiency：
Choose 10 mesh (possessed mesh count is mesh number in screen cloth per inch length) and following soil sample, 80 DEG C of temperature
180min is dried under the conditions of degree in an oven, removes moisture.Take the soil sample of appropriate amount to be contained in respectively in 2 surface plates, make sample
Surface is concordant with surface plate.By dust suppressant is sprayed respectively in two surface plates, (fountain height is by 3L/m2), under 80 DEG C of temperature conditionss
Weighed respectively after drying 180min in an oven, wherein the quality of sample is w1.It is respectively put into afterwards in wind-tunnel, sample surfaces
Wind speed carries out 5min deflation under conditions of being 30m/s, then weighed respectively, the quality of remaining sample is w2.By following
Formula (2) calculates wind erosion rate respectively：
In formula：
E- sample wind erosion rates；
w1The quality of soil sample before-deflation；
w2The quality of soil sample after-deflation.
The wind erosion rate for obtaining sample 1 is E1, the wind erosion rate of sample 2 is E2, take its average value.
The detection method in dust suppression cycle is as follows：
Key instrument and material：
2050 type multifunctional sampling instruments, can continuous real-time monitoring TSP, PM10, PM2.5 change in concentration, NOx testers
EC9841, environmental sanitation sprinkling wagon, counter, Road dust suppressant, running water.
One section of town road is chosen, sampled point, air before and after detection sprinkling are set respectively on sprinkling road surface and control road surface
Middle airborne dust major parameter NOx, PM10, PM2.5 change in concentration.
Dust suppression agent solution is configured, spraying operation is carried out using environmental sanitation sprinkling truck road pavement.Road about 2km is sprayed, converts into suppression
Dirt agent dosage is 1.5L/m2.Sprinkling is only carried out once, and simultaneously with road surface around identical water sprinkling control point, it is then not right
Any processing is done on region road surface, until monitoring terminates, to contrast air treating effect.2d starts to monitor before sprinkling dust suppressant,
14d is monitored altogether.
Characterization result：
Atmosphere pollution caused by traffic band is controlled by the way of road dust suppression, carries out continuous 14d monitoring, with not spraying
The contrast road surface for spilling dust suppressant is compared, and after spraying dust suppressant, NOx, PM10, PM2.5 concentration have obvious reduction.
The dust suppression cycle is that NOx, PM10, PM2.5 concentration start to reduce, that is, tell on beginning, holds from after sprinkling dust suppressant
Continue the concentration range risen to its concentration before sprinkling.
Table 1
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (22)
1. a kind of efficient and environment-friendly type dust suppressant, it is characterised in that mainly mixed by following component：By weight,
Latex 0.3-7%,
Modified starch/modified cellulose 0.2-6%,
Sodium alginate 0.1-5%,
Polyvinyl alcohol 0.12-8%,
Sodium metasilicate 0.1-8%,
Glycerine 20-60%,
Surfactant 0.01-5%,
Water surplus.
2. efficient and environment-friendly type dust suppressant according to claim 1, it is characterised in that the latex be selected from aqueous polyurethane,
One or more in styrene-butadiene latex, pure third latex or Heveatex.
3. efficient and environment-friendly type dust suppressant according to claim 2, it is characterised in that the latex is aqueous polyurethane.
4. efficient and environment-friendly type dust suppressant according to claim 3, it is characterised in that the latex is anion-type water-thinned poly-
Urethane.
5. efficient and environment-friendly type dust suppressant according to claim 4, it is characterised in that the anion-type water-thinned polyurethane
Solid content is 50%.
6. efficient and environment-friendly type dust suppressant according to claim 1, it is characterised in that the surfactant is selected from anion
One or both of surfactant, nonionic surfactant mix.
7. efficient and environment-friendly type dust suppressant according to claim 6, it is characterised in that the anion surfactant is selected from
Neopelex, dodecyl sodium sulfate, lauryl sodium sulfate, myristyl benzene sulfonic acid sodium salt, pentadecyl benzene sulphur
One or more in sour sodium, cetyl benzenesulfonic acid sodium, Heptadecylbenzene sulfonic acid sodium, octadecyl benzenesulfonic acid sodium.
8. efficient and environment-friendly type dust suppressant according to claim 7, it is characterised in that the anion surfactant is selected from
One or more in neopelex, dodecyl sodium sulfate, lauryl sodium sulfate.
9. efficient and environment-friendly type dust suppressant according to claim 6, it is characterised in that the nonionic surfactant is fat
Fat alcohol APEO.
10. efficient and environment-friendly type dust suppressant according to claim 9, it is characterised in that the nonionic surfactant
Molecular weight is 300-330 or 575-605.
11. efficient and environment-friendly type dust suppressant according to claim 1, it is characterised in that the viscosity of the sodium alginate is 50-
600cps。
12. efficient and environment-friendly type dust suppressant according to claim 1, it is characterised in that the viscosity of the sodium alginate is
200-400cps。
13. efficient and environment-friendly type dust suppressant according to claim 1, it is characterised in that the molecular weight of the polyvinyl alcohol is 2
Ten thousand -30 ten thousand.
14. efficient and environment-friendly type dust suppressant according to claim 1, it is characterised in that the modified starch forms sediment for carboxymethyl
Powder and its sodium salt.
15. efficient and environment-friendly type dust suppressant according to claim 1, it is characterised in that the modified cellulose is carboxymethyl
One kind in cellulose, sodium carboxymethylcellulose, hydroxymethyl cellulose, hydroxyethylmethylcellulose, hydroxypropyl methyl cellulose
Or several mixture.
16. efficient and environment-friendly type dust suppressant according to claim 15, it is characterised in that the modified cellulose is hydroxypropyl
Methylcellulose.
17. according to the efficient and environment-friendly type dust suppressant described in claim any one of 1-16, it is characterised in that by weight,
Latex 0.3-1%,
Modified starch/modified cellulose 0.2-0.5%,
Sodium alginate 1-3%,
Polyvinyl alcohol 0.12-1%,
Sodium metasilicate 1-8%,
Glycerine 20-50%,
Surfactant 0.01-0.02%,
Water surplus.
18. efficient and environment-friendly type dust suppressant according to claim 17, it is characterised in that by weight,
Polyvinyl alcohol 0.12-0.5%,
Sodium metasilicate 1-5%.
19. the preparation method of the efficient and environment-friendly type dust suppressant described in claim any one of 1-18, it is characterised in that by polyethylene
Alcohol dissolves in the hot water, then mixes itself and remaining raw material, produces product.
20. the application of the efficient and environment-friendly type dust suppressant described in claim any one of 1-18, it is characterised in that by the Efficient Ring
Guarantor's type dust suppressant is sprayed on road for dust-proof.
21. the application of efficient and environment-friendly type dust suppressant according to claim 20, it is characterised in that by the efficient and environment-friendly type
Dust suppressant, which is sprayed on road, to be used to catch absorption total suspended particles, PM10, PM2.5 and nitrogen oxides.
22. the application of efficient and environment-friendly type dust suppressant according to claim 20, it is characterised in that the efficient and environment-friendly type suppression
The dosage of dirt agent is：1.5-3L/m2。
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|---|---|---|---|
| CN201710188663.4A CN106957633B (en) | 2017-03-27 | 2017-03-27 | A kind of efficient and environment-friendly type dust suppressant and preparation method thereof, application |
| CN201711229555.3A CN107955583B (en) | 2017-03-27 | 2017-03-27 | Efficient environment-friendly dust suppressant and preparation method and application thereof |
| PCT/CN2017/095895 WO2018176713A1 (en) | 2017-03-27 | 2017-08-03 | Environmentally friendly efficient dust suppression agent, preparation method therefor and use thereof |
| CN201780004736.8A CN109072050B (en) | 2017-03-27 | 2017-08-03 | Efficient environment-friendly dust suppressant and preparation method and application thereof |
| JP2017568373A JP6603339B2 (en) | 2017-03-27 | 2017-08-03 | Highly efficient and environmentally compatible dust suppressant, its blending method and its use |
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| CN106957633B true CN106957633B (en) | 2017-12-29 |
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| CN201711229555.3A Expired - Fee Related CN107955583B (en) | 2017-03-27 | 2017-03-27 | Efficient environment-friendly dust suppressant and preparation method and application thereof |
| CN201780004736.8A Active CN109072050B (en) | 2017-03-27 | 2017-08-03 | Efficient environment-friendly dust suppressant and preparation method and application thereof |
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| CN201780004736.8A Active CN109072050B (en) | 2017-03-27 | 2017-08-03 | Efficient environment-friendly dust suppressant and preparation method and application thereof |
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| JP (1) | JP6603339B2 (en) |
| CN (3) | CN106957633B (en) |
| WO (1) | WO2018176713A1 (en) |
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| CN107955583B (en) * | 2017-03-27 | 2020-05-01 | 日东（青岛）研究院有限公司 | Efficient environment-friendly dust suppressant and preparation method and application thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2019513155A (en) | 2019-05-23 |
| CN107955583B (en) | 2020-05-01 |
| WO2018176713A1 (en) | 2018-10-04 |
| JP6603339B2 (en) | 2019-11-06 |
| CN106957633A (en) | 2017-07-18 |
| CN109072050A (en) | 2018-12-21 |
| CN109072050B (en) | 2021-02-26 |
| CN107955583A (en) | 2018-04-24 |
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