CN109628066B - Antifreezing dust suppressant and preparation method and application thereof - Google Patents
Antifreezing dust suppressant and preparation method and application thereof Download PDFInfo
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Abstract
The invention discloses an anti-freezing dust suppressant and a preparation method and application thereof, and belongs to the technical field of dust control and environmental protection. The invention provides an antifreezing dust suppressant, which comprises the following components in percentage by mass: 2-50% of freezing point reducing component, 2-50% of urea, 0-10% of waterborne polyurethane resin, 0.05-3% of water-soluble cellulose, 0.01-2% of surfactant, 0.01-2% of preservative, 0.01-0.5% of defoaming agent and the balance of water. The antifreezing dust suppressant has the advantages of good dust suppression effect, high dust suppression efficiency, low freezing point and excellent antifreezing performance, can meet the winter dust suppression requirement of places such as roads, construction sites and the like which are easy to generate dust pollution, can effectively avoid road driving potential safety hazards caused by freezing of low-temperature environment in winter, has small road surface friction attenuation rate after spraying, cannot cause harm to road driving safety, cannot generate residual white spots due to salt stain separation, and has good appearance after use.
Description
Technical Field
The invention belongs to the technical field of environment protection of dust control, and particularly relates to an anti-freezing dust suppressant and a preparation method and application thereof.
Background
The dust suppressant takes water as a solvent or a dispersion system, can quickly capture and firmly adsorb particle dust after being sprayed, and can be solidified to form a film on the surface of the dust after being dried, thereby playing the roles of suppressing dust and preventing dust, and being widely applied to places such as urban roads, construction sites, coal and mineral powder transportation, mineral earthwork storage and unloading sites and the like.
At present, most of the existing dust depressants are non-antifreezing type and are suitable for being used under the environment condition of higher temperature (such as spring, summer and the like), and when the dust depressants are used under the environment condition of lower temperature in winter, the dust depressants are easy to freeze, so that the dust suppression effect of the dust depressants is influenced, the road running safety problem is possibly caused by icing after spraying, and the application of the dust depressants under the low-temperature environment condition in winter is severely limited.
Chinese patent CN 108587568A discloses a road dust suppressant, which comprises the following components in percentage by mass: 0.1-5% of polyvinyl alcohol, 0.1-5% of polymer emulsion, 15-30% of ethylene glycol, 0.05-2% of water-soluble cellulose, 0.05-2% of silicate, 0.05-2% of alginate, 0.01-2% of emulsifier, 0.01-2% of preservative, 0.01-0.5% of defoaming agent and the balance of water; ethylene glycol is used as a freezing point reducing component to reduce the freezing point of the dust suppressant, so that the freezing point of a dust suppressant stock solution can reach-16 to-14 ℃, and a good anti-freezing effect is achieved; however, the safety of the dust suppressant product is relatively poor due to the toxicity of freezing point depressing components such as ethylene glycol to animals and the human lethal dose of about 1.6g/kg, and the product quality is more or less adversely affected due to the small amount of agglomeration of polyvinyl alcohol during the dissolution process, particularly in the low-temperature environment in winter.
Therefore, further improvement of the original dust suppressant is needed, and a novel anti-freezing dust suppressant with higher safety and convenient production and transportation is developed.
Disclosure of Invention
Aiming at the technical problems, the invention provides the antifreezing dust suppressant which has higher safety and is convenient to produce and transport, and meanwhile, the antifreezing dust suppressant has better antifreezing performance.
The technical scheme provided by the invention is as follows:
the antifreezing dust suppressant comprises the following components in percentage by mass: 2-50% of freezing point reducing component, 2-50% of urea, 0-10% of waterborne polyurethane resin, 0.05-3% of water-soluble cellulose, 0.01-2% of surfactant, 0.01-2% of preservative, 0.01-0.5% of defoaming agent and the balance of water; wherein the freezing point depressing component is at least one selected from magnesium chloride and hydrates thereof, saccharides, formates and hydrates thereof.
Further, the antifreezing dust suppressant comprises the following components in percentage by mass: 4.5-35% of freezing point reducing component, 3-35% of urea, 0-10% of waterborne polyurethane resin, 0.05-3% of water-soluble cellulose, 0.01-2% of surfactant, 0.01-2% of preservative, 0.01-0.5% of defoaming agent and the balance of water.
Furthermore, the antifreezing dust suppressant comprises the following components in percentage by mass: 4.5-30% of freezing point reducing component, 3-20% of urea, 0-10% of waterborne polyurethane resin, 0.05-2% of water-soluble cellulose, 0.01-2% of surfactant, 0.01-2% of preservative, 0.01-0.5% of defoaming agent and the balance of water.
Further, in the antifreezing dust suppressant, the mass ratio of the freezing point depressing component to the urea is 1.1-5: 1.
furthermore, the mass ratio of the freezing point depressing component to the urea of the antifreezing dust suppressant is 1.4-2: 1.
further, the mass ratio of the freezing point depressing component to the urea of the antifreezing dust suppressant is 1.4-1.6: 1.
further, in the antifreezing dust suppressant, the freezing point depressing component comprises a saccharide, a formate and a hydrate thereof, and the mass ratio of the saccharide to the formate and the hydrate thereof is 0.05-3: 1.
furthermore, the mass ratio of the sugar substance to the formate and the hydrate thereof is 1-3: 1.
further, in the antifreeze dust suppressant, the saccharide substance is selected from monosaccharide and/or disaccharide, and the formate and the hydrate thereof are selected from at least one of sodium formate, sodium formate dihydrate, potassium formate and calcium formate.
Furthermore, the antifreeze dust suppressant comprises at least one monosaccharide selected from glucose, mannose, fructose and galactose, and at least one disaccharide selected from sucrose, maltose, lactose and trehalose.
Further, in the antifreezing dust suppressant, the solid content of the waterborne polyurethane resin is 35-60 wt%, and the viscosity is 200-5000 mPa · s.
Furthermore, the anti-freezing dust suppressant has a solid content of 45-55 wt% and a viscosity of 400-2500 mPa & s.
In addition, in the antifreeze dust suppressant, the water-soluble cellulose is at least one selected from hydroxypropyl methyl cellulose, hydroxymethyl cellulose, sodium hydroxymethyl cellulose, hydroxyethyl cellulose, carboxymethyl cellulose, sodium carboxymethyl cellulose, carboxyethyl cellulose and sodium carboxyethyl cellulose.
Further, the above-mentioned antifreezing dust-suppression agent, wherein the surfactant is at least one selected from the group consisting of anionic surfactant, cationic surfactant, zwitterionic surfactant and nonionic surfactant.
Furthermore, the above-mentioned antifreeze dust-suppression agent, the anionic surfactant is selected from sodium dodecyl sulfonate, tridecyl sodium sulfonate, tetradecyl sodium sulfonate, pentadecyl sodium sulfonate, hexadecyl sodium sulfonate, heptadecyl sodium sulfonate, octadecyl sodium sulfonate, dodecyl benzene sodium sulfonate, tridecyl benzene sodium sulfonate, tetradecyl benzene sodium sulfonate, pentadecyl benzene sodium sulfonate, hexadecyl benzene sodium sulfonate, heptadecyl benzene sodium sulfonate, octadecyl benzene sodium sulfonate; the cationic surfactant is at least one selected from dodecyl trimethyl ammonium bromide, tridecyl trimethyl ammonium bromide, tetradecyl trimethyl ammonium bromide, pentadecyl trimethyl ammonium bromide and hexadecyl trimethyl ammonium bromide.
Furthermore, the anti-freezing dust suppressant is characterized in that the preservative is at least one selected from sorbic acid and salts thereof, benzoic acid and salts thereof, dehydroacetic acid and salts thereof, parabens and sodium diacetate.
Further, the anti-freezing dust suppressant is characterized in that the defoaming agent is at least one selected from mineral oil defoaming agents, silicone defoaming agents and polyether defoaming agents.
Further, in the antifreezing dust suppressant, the freezing point of the antifreezing dust suppressant is-40 ℃ to-5 ℃.
Furthermore, the freezing point of the antifreezing dust suppressant is-28 ℃ to-5 ℃.
The invention also provides a preparation method of the anti-freezing dust suppressant, which comprises the following steps: according to the proportion, taking the solid components, adding the solid components into water, stirring and dissolving, then adding other residual components, and uniformly mixing to obtain the composition.
The antifreezing dust suppressant provided by the invention has the advantages of low freezing point, excellent dust suppression, bonding and other performances, convenience in production and transportation, less moisture in the raw solution of the antifreezing dust suppressant, and capability of diluting the raw solution of the antifreezing dust suppressant with water for use in consideration of the use cost, and the diluted dust suppressant also meets the performance requirements.
The invention also provides the antifreezing dust suppressant for reducing and/or suppressing PM2.5、PM10Dust emission caused by at least one of nitrogen oxides and total suspended particles.
The invention has the beneficial effects that:
(1) the ice point is low, and the ice-free road can be ensured not to freeze when the ice-free road is used in a low-temperature (-5 ℃) environment in winter, so that the safety problem of road running caused by freezing is avoided;
(2) the water-soluble road dust suppressant basically meets the requirements of the standard T/CAEPI 7-2017 water-soluble road dust suppressant, has good dust suppression effect, high dust suppression efficiency and small road surface friction attenuation rate, does not cause harm to road driving safety, has small toxic and harmful effects on plants and animals, and is safe and environment-friendly;
(3) the requirements of the standard 'China railway industry standard TB/T3210.1-2009' on the thickness of the cured layer are met, the adhesive property is excellent, and the dust can be effectively inhibited;
(4) after being sprayed on the road surface and dried, the coating does not generate white spots remained due to salt stain precipitation, and has good appearance after use and high customer satisfaction;
(5) the dust pollution control device is convenient to produce and transport, low in cost, very suitable for dust pollution control of urban roads, construction sites and other places, and provides an effective and reliable solution for improving atmospheric environment and reducing haze pollution.
Detailed Description
The present invention is further illustrated by the following examples and comparative examples, without thereby limiting the scope of the present invention to the examples described.
In the present invention, those who do not specify specific conditions are performed according to conventional conditions or conditions recommended by the manufacturer, and those who do not specify the reagents or instruments used are conventional products commercially available.
Aqueous polyurethane resin (purchased from cigarette tai wanhua polyurethane gmbh): milky white, a solid content (non-volatile content) of 49 to 51 wt%, a viscosity (25 ℃ C.) of 500-2000 mPas.
Antifoam agent (DF-568): mineral oil type nonionic antifoaming agents.
Example 1
The invention relates to an antifreezing dust suppressant, which comprises the following components in percentage by mass: 24% of glucose, 16% of urea, 5% of aqueous polyurethane resin, 1% of surfactant (sodium dodecyl sulfate), 0.5% of sodium carboxymethyl cellulose, 0.5% of preservative (potassium sorbate), 0.1% of defoaming agent (DF-568) and the balance of water;
the preparation method comprises the following steps: according to the proportion, glucose and urea are added into water, stirred and dissolved, then other residual components are added and mixed evenly to obtain light white liquid, namely the antifreeze dust suppressant stock solution (FD-1).
Example 2
The invention relates to an antifreezing dust suppressant, which comprises the following components in percentage by mass: 30% of glucose, 15% of urea, 1% of surfactant (sodium dodecyl sulfate), 1% of hydroxypropyl methyl cellulose, 0.2% of preservative (potassium sorbate), 0.05% of defoaming agent (DF-568) and the balance of water;
the preparation method comprises the following steps: according to the proportion, glucose and urea are added into water, stirred and dissolved, then other residual components are added and mixed evenly to obtain colorless transparent liquid, namely the antifreeze dust suppressant stock solution (FD-2).
Example 3
The invention relates to an antifreezing dust suppressant, which comprises the following components in percentage by mass: 48% of magnesium chloride hexahydrate, 32% of urea, 1% of surfactant (sodium dodecyl sulfate), 1% of hydroxypropyl methyl cellulose, 0.2% of preservative (potassium sorbate), 0.05% of defoaming agent (DF-568) and the balance of water;
the preparation method comprises the following steps: according to the proportion, adding magnesium chloride hexahydrate and urea into water, stirring for dissolving, then adding other residual components, and uniformly mixing to obtain a tawny liquid, namely the antifreezing dust suppressant stock solution (FD-3).
Example 4
The invention relates to an antifreezing dust suppressant, which comprises the following components in percentage by mass: 20% of glucose, 18% of urea, 7% of sodium formate dihydrate, 5% of aqueous polyurethane resin, 1% of surfactant (sodium dodecyl benzene sulfonate), 0.5% of sodium carboxymethyl cellulose, 0.5% of preservative (potassium sorbate), 0.1% of defoaming agent (DF-568) and the balance of water;
the preparation method comprises the following steps: according to the proportion, glucose, urea and sodium formate dihydrate are added into water, stirred and dissolved, and then other residual components are added and mixed uniformly to obtain light white liquid, namely the antifreezing dust suppressant stock solution (FD-4).
Example 5
The invention relates to an antifreezing dust suppressant, which comprises the following components in percentage by mass: 2% of glucose, 18% of urea, 25% of sodium formate dihydrate, 5% of aqueous polyurethane resin, 1% of surfactant (sodium dodecyl benzene sulfonate), 0.5% of sodium carboxymethyl cellulose, 0.5% of preservative (potassium sorbate), 0.1% of defoaming agent (DF-568) and the balance of water;
the preparation method comprises the following steps: according to the proportion, glucose, urea and sodium formate dihydrate are added into water, stirred and dissolved, and then other residual components are added and mixed uniformly to obtain light white liquid, namely the antifreezing dust suppressant stock solution (FD-5).
Example 6
The invention relates to an antifreezing dust suppressant, which comprises the following components in percentage by mass: 18% of urea, 28% of sodium formate dihydrate, 1% of surfactant (sodium dodecyl sulfate), 1% of hydroxypropyl methyl cellulose, 0.2% of preservative (potassium sorbate), 0.05% of defoaming agent (DF-568) and the balance of water;
the preparation method comprises the following steps: according to the proportion, adding urea and sodium formate dihydrate into water, stirring for dissolving, then adding other residual components, and uniformly mixing to obtain colorless transparent liquid, namely the antifreezing dust suppressant stock solution (FD-6).
Example 7
The invention relates to an antifreezing dust suppressant, which comprises the following components in percentage by mass: 12% of glucose, 16% of urea, 12% of sodium formate dihydrate, 5% of aqueous polyurethane resin, 1% of surfactant (sodium dodecyl sulfate), 0.5% of sodium carboxymethyl cellulose, 0.5% of preservative (potassium sorbate), 0.1% of defoaming agent (DF-568) and the balance of water;
the preparation method comprises the following steps: according to the proportion, glucose, urea and sodium formate dihydrate are added into water, stirred and dissolved, and then other residual components are added and mixed uniformly to obtain light white liquid, namely the antifreezing dust suppressant stock solution (FD-7).
Examples 8 to 10
Mannose, fructose and galactose were used in place of glucose in example 7, and the conditions were otherwise unchanged to give antifreeze and dust suppressant stock solutions (FD-8, FD-9 and FD-10).
Example 11
The invention relates to an antifreezing dust suppressant, which comprises the following components in percentage by mass: 12% of sucrose, 16% of urea, 12% of potassium formate, 1% of surfactant (sodium dodecyl sulfate), 0.5% of sodium carboxymethyl cellulose, 0.5% of preservative (potassium sorbate), 0.1% of defoaming agent (DF-568) and the balance of water;
the preparation method comprises the following steps: according to the proportion, adding sucrose, urea and potassium formate into water, stirring for dissolving, then adding other residual components, and uniformly mixing to obtain colorless transparent liquid, namely the antifreezing dust suppressant stock solution (FD-11).
Examples 12 to 14
Maltose, lactose and trehalose were used in place of sucrose in example 11, and the conditions were not changed to obtain antifreeze and dust suppressant liquids (FD-12, FD-13 and FD-14).
Comparative example 1
Comparative composition 1, comprising the following components in mass percent: 23% of calcium chloride, 32% of urea, 1% of surfactant (sodium dodecyl sulfate), 1% of hydroxypropyl methyl cellulose, 0.2% of preservative (potassium sorbate), 0.05% of defoaming agent (DF-568) and the balance of water;
the preparation method comprises the following steps: according to the proportion, calcium chloride and urea are added into water, stirred and dissolved, and then other residual components are added and mixed evenly, so that the comparative mixed solution 1 is obtained.
Comparative example 2
Comparative composition 2, comprising the following components in mass percent: 30% of ethylene glycol, 32% of urea, 1% of surfactant (sodium dodecyl sulfate), 1% of hydroxypropyl methyl cellulose, 0.2% of preservative (potassium sorbate), 0.05% of defoaming agent (DF-568) and the balance of water;
the preparation method comprises the following steps: according to the proportion, the propylene glycol and the urea are added into the water, stirred and dissolved, and then other residual components are added and mixed evenly, so that the comparative mixed solution 2 is obtained.
Comparative example 3
The comparative composition 3 comprises the following components in percentage by mass: 40% of sodium formate dihydrate, 5% of aqueous polyurethane resin, 1% of surfactant (sodium dodecyl sulfate), 0.5% of sodium carboxymethyl cellulose, 0.5% of preservative (potassium sorbate), 0.1% of defoaming agent (DF-568) and the balance of water;
the preparation method comprises the following steps: according to the proportion, sodium formate dihydrate is added into water, stirred and dissolved, and then other residual components are added and mixed evenly, so that a contrast mixed solution 3 is obtained.
Comparative example 4
Comparative composition 4, comprising the following components in mass percent: 40% of glucose, 5% of aqueous polyurethane resin, 1% of surfactant (sodium dodecyl sulfate), 0.5% of sodium carboxymethyl cellulose, 0.5% of preservative (potassium sorbate), 0.1% of defoaming agent (DF-568) and the balance of water;
the preparation method comprises the following steps: adding glucose into water according to the proportion, stirring for dissolving, then adding other residual components, and uniformly mixing to obtain a comparative mixed solution 4.
Comparative example 5
The comparative composition 5 comprises the following components in percentage by mass: 40% of urea, 5% of aqueous polyurethane resin, 1% of surfactant (sodium dodecyl sulfate), 0.5% of sodium carboxymethyl cellulose, 0.5% of preservative (potassium sorbate), 0.1% of defoaming agent (DF-568) and the balance of water;
the preparation method comprises the following steps: according to the proportion, adding urea into water, stirring for dissolving, then adding other residual components, and uniformly mixing to obtain a comparative mixed solution 5.
The beneficial effects of the antifreeze dust suppressant of the present invention are illustrated by the following test examples.
Test example 1 freezing Point test
The test method comprises the following steps: the raw liquid of the antifreezing dust suppressant obtained in the example and the comparative mixed liquid obtained in the proportion are mixed according to the proportion of 1:4 (mass ratio, namely 1 part by mass of the antifreezing dust suppressant and 4 parts by mass of water), adding water, uniformly mixing, and measuring the temperature of the ice-water mixture (the reading is stable for 1 minute), namely the freezing point; the test results are shown in Table 1.
Taking Beijing as a representative of northern cities, wherein the average temperature of the Beijing in 1 month in winter is-5 ℃ (the data is from an air net), so that it is reasonable to set the freezing point standard of the dust suppressant to be lower than or equal to-5 ℃; simultaneously, in order to facilitate transportation and reduce transportation cost, the dust suppressant stock solution is used as a product and the stock solution is prepared according to the following steps of 1: it is also reasonable that the ice point requirement can still be met after the water is diluted by 4.
TABLE 1 freezing Point test results
| Item | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 | Example 7 |
| Freezing point/. degree.C | -5.4 | -5.5 | -5.0 | -6.5 | -6.2 | -6.0 | -6.4 |
| Item | Example 8 | Example 9 | Example 10 | Example 11 | Example 12 | Example 13 | Example 14 |
| Freezing point/. degree.C | -6.6 | -6.4 | -6.5 | -6.8 | -6.7 | -6.8 | -7.0 |
| Item | Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 | Comparative example 5 | ||
| Freezing point/. degree.C | -3.2 | -4.8 | -3.8 | -2.5 | -2.8 |
The stock solution of the antifreezing dust suppressant obtained in example 7 was selected as a representative, and the freezing point data of the stock solution at different dilution ratios were respectively tested, and the results are shown in Table 2.
TABLE 2 freezing point data at different dilution ratios
| Dilution ratio | Stock solution | 1：1 | 1：2 | 1：3 | 1：4 | 1：6 |
| Freezing point/. degree.C | -22.5 | -14.6 | -10.5 | -8.2 | -6.4 | -4.0 |
The results show that the original solution and the diluent (the dilution ratio is not higher than 4) of the antifreezing dust suppressant have lower freezing points, and can ensure that the antifreezing dust suppressant cannot be frozen when used in a low-temperature (-5 ℃) environment in winter, and the road driving safety problem caused by freezing is avoided.
Test example 2 dust suppression Performance test
According to the regulations and requirements of the China Association for environmental protection industry Standard "T/CAEPI 7-2017 Water-soluble road dust suppressant" and GB/T21605-.
TABLE 3 Primary Performance test results
The results show that the antifreezing dust suppressant disclosed by the invention basically meets the requirements of the standard T/CAEPI 7-2017 water-soluble road dust suppressant, has a good dust suppression effect, is high in dust suppression efficiency, small in road surface friction attenuation rate, safe and environment-friendly, does not harm road driving safety, has small toxic and harmful effects on plants and animals, is very suitable for treating raised dust pollution in urban roads, construction sites and other places, and provides an effective and reliable solution for improving the atmospheric environment and reducing haze pollution.
Test example 3 adhesion test
According to the regulations and requirements of the Chinese railway industry standard TB/T3210.1-2009, the antifreeze dust suppressant stock solution obtained in the example and the comparative mixed solution obtained in proportion are mixed with water according to the dilution ratio of 1:4 by mass, water is added for mixing, and then the adhesion performance (thickness of a cured layer) is tested, and the results are shown in Table 4.
Table 4 bond Performance test results
| Item | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 | Example 7 |
| Thickness of cured layer/mm | 10.64 | 10.32 | 10.00 | 10.58 | 10.60 | 10.46 | 10.82 |
| Item | Example 8 | Example 9 | Example 10 | Example 11 | Example 12 | Example 13 | Example 14 |
| Thickness of cured layer/mm | 10.78 | 10.80 | 10.82 | 10.74 | 10.76 | 10.72 | 10.74 |
| Item | Comparative example 1 | Comparative example 2 | Comparative example 3 | Comparative example 4 | Comparative example 5 | ||
| Thickness of cured layer/mm | 9.84 | 10.28 | 10.14 | 10.08 | 10.20 |
The results show that the antifreezing dust suppressant meets the requirement of the standard of China railway industry Standard TB/T3210.1-2009 on the thickness of the cured layer, has excellent bonding property, and can effectively suppress dust.
Test example 4 actual road spray test
Uniformly mixing the stock solution of the antifreezing dust suppressant and the comparative mixed solution obtained in the comparative proportion with water according to the dilution ratio of 1:4, spraying the mixture on the road surface (spraying amount: 1L/square meter), and observing whether white spots appear on the road surface after the road surface is dried for 24 hours; the results are shown in Table 5.
TABLE 5 actual road spray test
The results show that the antifreezing dust suppressant disclosed by the invention (except for example 3) does not generate white spots which are separated out and remained due to salt stains after being sprayed on road surfaces and dried, and is good in appearance after being used and high in customer satisfaction.
In conclusion, the antifreezing dust suppressant has the advantages of good dust suppression effect, high dust suppression efficiency, low freezing point and excellent antifreezing performance, can meet the winter dust suppression requirement of places such as roads, construction sites and the like which are easy to generate dust pollution, can effectively avoid the road driving potential safety hazard caused by icing in winter in a low-temperature environment, has small road surface friction attenuation rate after spraying, cannot harm the road driving safety, cannot generate residual white spots due to salt stain precipitation, and has good appearance after use; meanwhile, the antifreezing dust suppressant disclosed by the invention is safe, environment-friendly, convenient to produce and transport, low in cost, very suitable for treating dust pollution in urban roads, construction sites and other places, and provides an effective and reliable solution for improving atmospheric environment and reducing haze pollution.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it is therefore intended that all such changes and modifications as fall within the true spirit and scope of the invention be considered as within the following claims.
Claims (19)
1. The antifreezing dust suppressant is characterized by comprising the following components in percentage by mass: 2-50% of freezing point reducing component, 2-50% of urea, 0-10% of waterborne polyurethane resin, 0.05-3% of water-soluble cellulose, 0.01-2% of surfactant, 0.01-2% of preservative, 0.01-0.5% of defoaming agent and the balance of water; the freezing point depression component comprises a saccharide, a formate and a hydrate thereof, and the mass ratio of the saccharide to the formate and the hydrate thereof is 0.05-3: 1.
2. the anti-freezing dust suppressant according to claim 1, which is composed of the following components in percentage by mass: 4.5-35% of freezing point reducing component, 3-35% of urea, 0-10% of waterborne polyurethane resin, 0.05-3% of water-soluble cellulose, 0.01-2% of surfactant, 0.01-2% of preservative, 0.01-0.5% of defoaming agent and the balance of water.
3. The anti-freezing dust suppressant according to claim 2, which is composed of the following components in percentage by mass: 4.5-30% of freezing point reducing component, 3-20% of urea, 0-10% of waterborne polyurethane resin, 0.05-2% of water-soluble cellulose, 0.01-2% of surfactant, 0.01-2% of preservative, 0.01-0.5% of defoaming agent and the balance of water.
4. The anti-freezing dust suppressant according to any one of claims 1 to 3, wherein the mass ratio of the freezing point depressing component to urea is 1.1 to 5: 1.
5. the anti-freezing dust suppressant according to claim 4, wherein the mass ratio of the freezing point depressing component to the urea is 1.4-2: 1.
6. the anti-freezing dust suppressant according to claim 5, wherein the mass ratio of the freezing point depressing component to the urea is 1.4-1.6: 1.
7. the anti-freezing dust suppressant according to claim 1, wherein the mass ratio of the sugar substance to the formate and the hydrate thereof is 1-3: 1.
8. the antifreeze dust suppressant according to any one of claims 1 to 3 and 5 to 7, wherein the saccharide is selected from monosaccharide and/or disaccharide, and the formate and its hydrate are selected from at least one of sodium formate, sodium formate dihydrate, potassium formate and calcium formate.
9. The antifreeze dust suppressant according to claim 4, wherein said saccharide is selected from monosaccharides and/or disaccharides, and said formate and its hydrate is selected from at least one of sodium formate, sodium formate dihydrate, potassium formate, and calcium formate.
10. The antifreeze dust suppressant of claim 8, wherein said monosaccharide is selected from at least one of glucose, mannose, fructose and galactose, and said disaccharide is selected from at least one of sucrose, maltose, lactose and trehalose.
11. The antifreeze dust suppressant of claim 9, wherein said monosaccharide is selected from at least one of glucose, mannose, fructose and galactose, and said disaccharide is selected from at least one of sucrose, maltose, lactose and trehalose.
12. The anti-freezing dust suppressant according to any one of claims 1 to 3, wherein the aqueous polyurethane resin has a solid content of 35 to 60 wt% and a viscosity of 200 to 5000mPa · s.
13. The anti-freezing dust suppressant of claim 12, wherein the aqueous polyurethane resin has a solid content of 45 to 55 wt% and a viscosity of 400 to 2500 mPa-s.
14. The antifreeze dust suppressant according to any one of claims 1 to 3, wherein at least one of the following is satisfied:
the water-soluble cellulose is selected from at least one of hydroxypropyl methyl cellulose, hydroxymethyl cellulose, sodium hydroxymethyl cellulose, hydroxyethyl cellulose, carboxymethyl cellulose, sodium carboxymethyl cellulose, carboxyethyl cellulose and sodium carboxyethyl cellulose;
the surfactant is selected from at least one of anionic surfactant, cationic surfactant, zwitterionic surfactant and nonionic surfactant;
the preservative is selected from at least one of sorbic acid and salts thereof, benzoic acid and salts thereof, dehydroacetic acid and salts thereof, parabens and sodium diacetate;
the defoaming agent is at least one of mineral oil defoaming agent, silicone defoaming agent and polyether defoaming agent.
15. The antifreeze dust suppressant of claim 14, wherein said anionic surfactant is selected from at least one of sodium dodecylsulfonate, sodium tridecylsulfonate, sodium tetradecylsulfonate, sodium pentadecylsulfonate, sodium hexadecylsulfonate, sodium heptadecylsulfonate, sodium octadecylsulfonate, sodium dodecylbenzenesulfonate, sodium tridecylbenzenesulfonate, sodium tetradecylbenzenesulfonate, sodium pentadecylbenzenesulfonate, sodium hexadecylbenzenesulfonate, sodium heptadecylphenylbenzenesulfonate, sodium octadecylbenzenesulfonate; the cationic surfactant is at least one selected from dodecyl trimethyl ammonium bromide, tridecyl trimethyl ammonium bromide, tetradecyl trimethyl ammonium bromide, pentadecyl trimethyl ammonium bromide and hexadecyl trimethyl ammonium bromide.
16. The anti-freezing dust suppressant according to any one of claims 1 to 3, wherein the freezing point of the anti-freezing dust suppressant is-40 ℃ to-5 ℃.
17. The antifreeze dust suppressant of claim 16, wherein the freezing point of the antifreeze dust suppressant is from-28 ℃ to-5 ℃.
18. The preparation method of the anti-freezing dust suppressant as claimed in any one of claims 1 to 17, characterized by comprising the steps of: according to the proportion, taking the solid components, adding the solid components into water, stirring and dissolving, then adding other residual components, and uniformly mixing to obtain the composition.
19. The use of the antifreeze dust suppression agent as set forth in any one of claims 1 to 17 for reducing and/or suppressing PM2.5、PM10Dust emission caused by at least one of nitrogen oxides and total suspended particles.
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| CN110028935A (en) * | 2019-05-05 | 2019-07-19 | 淮南中科盛联环保科技股份有限公司 | It is a kind of for the dust suppressant of non-hard surface and its preparation, application method |
| 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 |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102660227A (en) * | 2012-05-02 | 2012-09-12 | 山西兆益矿用材料有限公司 | Road dust suppressant |
| CN103497736A (en) * | 2013-08-16 | 2014-01-08 | 北京安平联合环保科技有限公司 | Dust inhibiting agent used during railway transportation process of powdered materials and preparation method thereof |
| CN106833526A (en) * | 2017-02-21 | 2017-06-13 | 鄂尔多斯市神东天隆化工有限责任公司 | Coal anti-freezing composition |
| CN106928900A (en) * | 2017-02-21 | 2017-07-07 | 鄂尔多斯市神东天隆化工有限责任公司 | Coal anti-icing fluid |
| CN106928901A (en) * | 2017-03-27 | 2017-07-07 | 济南福君新材料科技有限公司 | Colorful environmentally friendly dust suppressant and its preparation and application |
| CN106957633A (en) * | 2017-03-27 | 2017-07-18 | 日东（青岛）研究院有限公司 | A kind of efficient and environment-friendly type dust suppressant and preparation method thereof, application |
| CN108192569A (en) * | 2018-01-22 | 2018-06-22 | 天津圣洁环保科技有限公司 | Dust suppressant and preparation method thereof, application method and application |
| CN108485606A (en) * | 2018-03-09 | 2018-09-04 | 北京睿鸿星科技有限公司 | A kind of dust suppressant and preparation method thereof and the application in Coal Transport |
| CN108587568A (en) * | 2018-03-09 | 2018-09-28 | 北京睿鸿星科技有限公司 | A kind of Road dust suppressant and the preparation method and application thereof |
-
2019
- 2019-01-21 CN CN201910053506.1A patent/CN109628066B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102660227A (en) * | 2012-05-02 | 2012-09-12 | 山西兆益矿用材料有限公司 | Road dust suppressant |
| CN103497736A (en) * | 2013-08-16 | 2014-01-08 | 北京安平联合环保科技有限公司 | Dust inhibiting agent used during railway transportation process of powdered materials and preparation method thereof |
| CN106833526A (en) * | 2017-02-21 | 2017-06-13 | 鄂尔多斯市神东天隆化工有限责任公司 | Coal anti-freezing composition |
| CN106928900A (en) * | 2017-02-21 | 2017-07-07 | 鄂尔多斯市神东天隆化工有限责任公司 | Coal anti-icing fluid |
| CN106928901A (en) * | 2017-03-27 | 2017-07-07 | 济南福君新材料科技有限公司 | Colorful environmentally friendly dust suppressant and its preparation and application |
| CN106957633A (en) * | 2017-03-27 | 2017-07-18 | 日东（青岛）研究院有限公司 | A kind of efficient and environment-friendly type dust suppressant and preparation method thereof, application |
| CN108192569A (en) * | 2018-01-22 | 2018-06-22 | 天津圣洁环保科技有限公司 | Dust suppressant and preparation method thereof, application method and application |
| CN108485606A (en) * | 2018-03-09 | 2018-09-04 | 北京睿鸿星科技有限公司 | A kind of dust suppressant and preparation method thereof and the application in Coal Transport |
| CN108587568A (en) * | 2018-03-09 | 2018-09-28 | 北京睿鸿星科技有限公司 | A kind of Road dust suppressant and the preparation method and application thereof |
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