CN106753249B - A kind of preparation method of micro- mist dust suppressant - Google Patents
A kind of preparation method of micro- mist dust suppressant Download PDFInfo
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- CN106753249B CN106753249B CN201611259651.8A CN201611259651A CN106753249B CN 106753249 B CN106753249 B CN 106753249B CN 201611259651 A CN201611259651 A CN 201611259651A CN 106753249 B CN106753249 B CN 106753249B
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Abstract
The present invention relates to the fields for preventing pollution method, to solve the problems, such as that there are dustproof functions is ineffective by water injector depositing dust in construction site at present, the invention proposes a kind of preparation methods of micro- mist dust suppressant, in parts by weight, by 60-90 parts of modified silicone surfactants, 20-30 parts of dodecyldimethylammonium hydroxide inner salt are added in 10-20 parts of natural polymer emulsifier, and stabilizer 1-10 parts is added after stirring condition 0.5-1.5 hours, obtains micro- mist dust suppressant.Micro- mist dust suppressant of the invention reduces loss of material, and beautify the environment from the erosion of wind and sleet by that can form non-permanent waterproof case, control dust dissipation, protection material heap in the outer surface of material heap.
Description
Technical field
The present invention relates to the fields for preventing pollution method, and in particular to a kind of preparation method of micro- mist dust suppressant.
Background technique
With the rapid growth of China's economy, urban air pollution is just promptly being shown especially as a main environmental problem
Out.Although statistical data shows that current China's flue dust and dust discharge amount have downward trend year by year, urban air is influenced
The major pollutants of quality are still particulate matter, the reason is that construction dust pollution has become always suspension in current urban air
An important factor for one of the primary pollution source of grain object is puzzlement urban air-quality.Building fugitive dust main source has in terms of three: one
It is the dust that construction ground foundation engineering, earth and rock works, Structural Engineering etc. generate in the process；Second is that construction material such as water
Mud, lime, sand etc. are durings handling, stacking etc., the dust pollution generated by wind-force effect, third is that during transportation
As road out-of-flatness or load dust on the roads caused by throwing scattered and various Construction traffic contacts caused by the factors such as excessive.
Conventional treatment measures are usually to be installed in the fixed buildings in construction site or surrounding ground greatly at present
The water injector of amount plays depositing dust, dustproof function using the injection water of water injector.But this mode dust removing effects are bad,
Especially there is no settlement action into this to 10 μm of solid particulate matters below, secondly because moisture evaporation needs regular water spray,
Increase cost, is formed simultaneously the secondary pollution of water.
Summary of the invention
To solve the problems, such as that there are dustproof functions is ineffective by water injector depositing dust in construction site at present, the present invention
A kind of preparation method of micro- mist dust suppressant is proposed, micro- mist dust suppressant of the invention is non-by that can be formed in the outer surface of material heap
Permanent waterproof case, control dust dissipation, protection material heap reduce loss of material, and beauty from the erosion of wind and sleet
Change environment.
The present invention is achieved by the following technical solutions: a kind of preparation method of micro- mist dust suppressant, micro- mist suppression
Dust agent is made of following steps, in parts by weight, by 60-90 parts of modified silicone surfactants, dodecyl dimethyl sweet tea
20-30 parts of dish alkali are added in 10-20 parts of natural polymer emulsifier, and stabilizer 1- is added after stirring condition 0.5-1.5 hours
10 parts, obtain micro- mist dust suppressant.
Preferably, in parts by weight, the modified silicone surfactants are by 100 parts of octamethylcy-clotetrasiloxane
6-10h is reacted at 70-100 DEG C with 10-20 parts of sulfonic acid type surfactant, is then made in 10-40 DEG C of reaction 10-15h.It is made
Sub-translucent lotion, organosilicon has good chemical stability, heat-resistant stability in surfactant, and boundary can be significantly reduced
Face tension significantly improves the atomizing effect of dust suppressant, wetting adhesiveness.
Sulfonic acid type surfactant is selected from 5,5 '-dinonyl -2,2 '-(1.4- Aden dioxygen base) double benzene sulfonic acids, usage amount
For the 5-20% of octamethylcy-clotetrasiloxane quality.
Preferably, in parts by weight, natural polymer emulsifier is made of following steps: by natural polymer 15~
55, natural macromolecule modification agent 0.001~0.5, water 20-85 are added in reaction kettle, 60-95 DEG C are warming up to, in stirring state
Natural polymer emulsifier is obtained after lower heat preservation 0.5-2 hours.Using natural polymer emulsifier, press down micro- mist of the invention
Dust agent compatibility is good, avoids emulsifier and desorbs from polymer particle or the migration on latex film, at the same joined sun from
Sub- stabilizer, ensure that the cationic degree of product under the high temperature conditions, so that improving product is atomizing effect.
The natural polymer is selected from wheaten starch, rice starch, potato starch, tapioca, starch from sweet potato, wax
It is cornstarch, cationic maize starch, cation cassava starch, etherification starch, oxidized starch, esterification starch, dextrin, rudimentary more
One or more of carbohydrate；The natural macromolecule modification agent is selected from high-temperatureα-amylase, beta amylase, maltogenic amylase
One or more of enzyme, carbohydrase, zytase.
Stabilizer is a kind of in aluminium polychloride, hydroxylating aluminium polychloride.
Dodecyldimethylammonium hydroxide inner salt all has excellent stability under acid and alkaline condition, has good increasing
Thick characteristic, biological degradability, antistatic property, stability in hard water and rust-preventing characteristic.
Application of the micro- mist dust suppression meter of the preparation method preparation of micro- mist dust suppressant in dedusting.By micro- mist dust suppressant
According to local climate environment, material heap characteristic, different process demands carries out certain matched proportion density, and concentration is made in water and is
10-50% aqueous solution, is sprayed by spraying system, simple and convenient using operating method, and matched proportion density is flexible.
Compared with prior art, the beneficial effects of the present invention are: micro- mist dust suppressant of the invention passes through in the outer of material heap
Surface can form the waterproof case of impermanency, control dust dissipation, and protection material heap reduces object from the erosion of wind and sleet
Material loss, and beautify the environment.
Specific embodiment
Below by embodiment, invention is further described in detail, raw materials used commercially available in embodiment or use
Conventional method preparation.Quality is indicated with parts by weight in embodiment.
Embodiment 1
(1) by 100 parts of octamethylcy-clotetrasiloxane and 5,5 '-dinonyl -2,2 '-(1.4- Aden dioxygen base) double benzene sulfonic acids
20 parts, in 100 DEG C of reaction 10h, are then made modified silicone surfactants 1 in 40 DEG C of reaction 15h.
(2) 55 parts of wheaten starch, 0.5 part of beta amylase, 85 parts of water are added in reaction kettle, are warming up to 95 DEG C, are stirring
Natural polymer emulsifier 1 is obtained after keeping the temperature 2 hours in the case of mixing.
(3) by 90 parts of modified silicone surfactants 1,30 parts of dodecyldimethylammonium hydroxide inner salt are added to 20 parts naturally
In macromolecule emulsifier 1,10 parts of aluminium polychloride are added after stirring condition 1.5 hours, obtains micro- mist dust suppressant 1.
Embodiment 2
(1) by 100 parts of octamethylcy-clotetrasiloxane and 5,5 '-dinonyl -2,2 '-(1.4- Aden dioxygen base) double benzene sulfonic acids
10 parts, in 70 DEG C of reaction 6h, are then made modified silicone surfactants 2 in 10 DEG C of reaction 10h.
(2) 15 parts of cationic maize starch, 0.5 part of maltogenic amylase, 20 parts of water are added in reaction kettle, are warming up to
60 DEG C, natural polymer emulsifier 2 is obtained after keeping the temperature 0.5 hour under agitation.
(3) by 60 parts of modified silicone surfactants 2,20 parts of dodecyldimethylammonium hydroxide inner salt are added to 10 parts naturally
In macromolecule emulsifier 2,1 part of hydroxylating aluminium polychloride is added after stirring condition 0.5 hour, obtains micro- mist dust suppressant 2.
Embodiment 3
(1) by 100 parts of octamethylcy-clotetrasiloxane and 5,5 '-dinonyl -2,2 '-(1.4- Aden dioxygen base) double benzene sulfonic acids
15 parts, in 90 DEG C of reaction 8h, are then made modified silicone surfactants 3 in 20 DEG C of reaction 12h.
(2) 40 parts of oxidized starch, 0.2 part of carbohydrase, 50 parts of water are added in reaction kettle, are warming up to 80 DEG C, are stirring
In the case of keep the temperature 1 hour after obtain natural polymer emulsifier 3.
(3) by 80 parts of modified silicone surfactants 3,25 parts of dodecyldimethylammonium hydroxide inner salt are added to 15 parts naturally
In macromolecule emulsifier 3,5 parts of aluminium polychloride are added after stirring condition 1 hour, obtains micro- mist dust suppressant 3.
Application examples
Micro- mist dust suppressant 1-3 made from embodiment 1-3 is respectively passed through micro- mist dust suppressant according to different process demands
Water dilution is matched, and sprays use with fog gun or the sprinkling of waterpower spraying machine uses, classification prevention treatment measures are as shown in table 1.
Sprinkling is under the premise of the total dosage of predetermined unit area is constant, with low concentration or list in two times in application examples
Twice, second of sprinkling opportunity is that medical fluid penetrates into entirely but before non-conjunctiva after first time sprays to the sprinkling of plane product water accumulating volume.
Table 1
By capturing and adsorbing and dust particle of reuniting tightly is locked both loose at it and do not lost firm netted in application examples
Within structure, wet, bonding, condensation, moisture absorption, dust-proof effect are played.It is tested through relevant departments of State Ministry of Environmental Protection, embodiment system
Standby micro- mist dust suppressant 1-3 is nontoxic, pollution-free, weather-proof, anti-to drench with rain, not to injure soil and plant, do not influence deposit
It is quality, safe and reliable, easy to use, easy to operate.
Claims (6)
1. a kind of preparation method of micro- mist dust suppressant, which is characterized in that micro- mist dust suppressant is made of following steps, with weight
Part meter is measured, by 60-90 parts of modified silicone surfactants, 20-30 parts of dodecyldimethylammonium hydroxide inner salt are added to natural height
In 10-20 parts of molecule emulsifier, stabilizer 1-10 parts is added after stirring condition 0.5-1.5 hours, obtains micro- mist dust suppressant,
The stabilizer is a kind of in aluminium polychloride, hydroxylating aluminium polychloride；
In parts by weight, natural polymer emulsifier is made of following steps: natural polymer 15-55, natural polymer are changed
Property agent 0.001-0.5, water 20-85 be added in reaction kettle, 60-95 DEG C is warming up to, after keeping the temperature 0.5-2 hours under agitation
Obtain natural polymer emulsifier.
2. a kind of preparation method of micro- mist dust suppressant according to claim 1, which is characterized in that in parts by weight, described
Modified silicone surfactants by 100 parts of octamethylcy-clotetrasiloxane with sulfonic acid type surfactant 10-20 parts in 70-
Then 100 DEG C of reaction 6-10h are made in 10-40 DEG C of reaction 10-15h.
3. a kind of preparation method of micro- mist dust suppressant according to claim 2, which is characterized in that sulfonic acid type surfactant
Selected from 5,5,Dinonyl -2,2,(Isosorbide-5-Nitrae-Aden's dioxygen base) double benzene sulfonic acids.
4. a kind of preparation method of micro- mist dust suppressant according to claim 1, which is characterized in that the natural polymer
Selected from wheaten starch, rice starch, potato starch, tapioca, starch from sweet potato, waxy corn starch, cationic maize starch,
One or more of cation cassava starch, etherification starch, oxidized starch, esterification starch, dextrin, rudimentary polysaccharide；It is described
Natural macromolecule modification agent be selected from alpha-amylase, beta amylase, one of maltogenic amylase, carbohydrase, zytase
Or it is several.
5. a kind of micro- mist dust suppressant answering in dedusting of the preparation method preparation of micro- mist dust suppressant as described in claim 1
With.
6. a kind of application of the micro- mist dust suppressant according to claim 5 in dedusting, which is characterized in that by micro- mist dust suppressant
It is 10-50% aqueous solution that concentration is made in water, is sprayed by spraying system.
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| CN110041889B (en) * | 2019-05-31 | 2019-12-31 | 中科盛联(北京)新材料有限公司 | Environment-friendly crusting dust suppressant and preparation method and use method thereof |
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Effective date of registration: 20180604 Address after: 310012 28 Wen two road, Hangzhou, Xihu District, Hangzhou, Zhejiang. Applicant after: Zhejiang Engineering Construction Management Co., Ltd. Address before: 310012 Xihu District Wen two road, Hangzhou, Zhejiang Province, No. 28 Applicant before: Zhejiang Academy of Building Research & Design Redya. Ltd. |
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