CN106893554A - The preparation technology and its application method of a kind of dust suppressant - Google Patents
The preparation technology and its application method of a kind of dust suppressant Download PDFInfo
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Abstract
The present invention provides a kind of preparation technology and its application method of dust suppressant, is related to the preparation technology of technical field of environment pollution control, the dust suppressant to comprise the following steps：(1) preparation of raw material；(2) material A is prepared；(3) material B is prepared；(4) dust suppression liquid is prepared；(5) froth breaking dispersion liquid is prepared；(6) dust suppressant is prepared.Dust suppressant raw material proportioning of the invention is scientific and reasonable, it is made up of 11 kinds of raw materials, the surface tension of dust can not only be significantly reduced, quick humidification dust makes its rapid flocking settling reach dust suppression purpose, dust suppressant winter frozen problem can also be efficiently solved, kill the harmful bacteria in dust surrounding air, and the raw material for using has readily degradable, anti-dust effect is notable, it is applied widely, secondary pollution is not resulted in, in addition, dust suppressant of the invention is simple controllable in preparation process, low cost, it is easy to be extended and applied, production process is pollution-free to machine and production environment, meet the Ecological Concept of environmental protection.
Description
【Technical field】
The present invention relates to technical field of environment pollution control, and in particular to the preparation technology and its user of a kind of dust suppressant
Method.
【Background technology】
Dust pollution endangers environmental and human health impacts, it has also become pollute problem in the world.As China's industrialization degree is deepened,
Dust pollution problem is serious all the more, and mainly there are desert, highway, railway, harbour, mine, coal yard, mining, quarrying, cement in dirt source
Factory, chemical plant, thermal power plant and construction scene etc..Dust pollution not only causes ample resources to lose, and pollution week
Surrounding environment, influence people normally production and life.With the enhancing of environmental consciousness, improvement of the people to dust pollution is increasingly weighed
Depending on more urgent to effective dust dust-suppression method demand.
Current the most frequently used dust-suppression method of China is watering dust suppression method, and it is thin that the effect of watering dust prevention essentially consists in moistening particle
Small dried dust, increases dust water capacity, so that its density increases, and is bonded to larger particle, is allowed in outer masterpiece
Can not be flown upward under, sprinkled water simple to operate, but great lot of water resources need to be wasted, and in most cases, after water evaporation, micronic dust contains
Can increase severely 600%, and moisture anti-evaporating ability are measured, effective dust suppression time is short (summer high temperature deficiency half an hour), for week
Enclosing the bacterium in air does not have obvious inhibitory action, and its cold tolerance is poor, freezes existing using occurring in season in severe winter
As, it is sprayed at material top layer and can freezes and becomes fragile or even cannot spray, anti-dust effect weakens, in addition, also some macromolecule dust suppressants
Non-degradable, can cause secondary pollution to environment.
Therefore, prepare a kind of dust suppression and fungistatic effect is good, anti-freeze, it is degradable, secondary pollution is not caused to environment
Dust suppressant it is extremely urgent.
【The content of the invention】
In view of this, it is an object of the invention to provide the preparation technology and its application method of a kind of dust suppressant, the present invention
Dust suppressant raw material proportioning it is scientific and reasonable, be made up of 11 kinds of raw materials, the surface tension of dust can not only be significantly reduced, quick profit
Wet dust makes its rapid flocking settling to reach dust suppression purpose, and can form one layer on dust surface and have some strength and tough
The cured film of property, effectively prevents dust from being polluted to environment, in addition, can also efficiently solve dust suppressant winter to freeze to ask
Topic, kills the harmful bacteria in dust surrounding air, and the raw material for using has readily degradable, and anti-dust effect significantly, is prepared
Simply, it is applied widely, secondary pollution is not resulted in, in addition, dust suppressant of the invention simple controllable, cost in preparation process
It is low, it is easy to be extended and applied, production process is pollution-free to machine and production environment, meets the Ecological Concept of environmental protection.
In order to solve the above-mentioned technical problem, present invention employs following technical scheme：
A kind of preparation technology of dust suppressant, the preparation technology comprises the following steps：
(1) preparation of raw material：Raw material components are weighed according to following parts by weight：Sodium carboxymethylcellulose 10-15 parts, marine alga
Sour sodium 2-8 parts, 2-8 parts of Lauryl Alcohol ester, wood fibre 5-10 parts, hydroxymethyl starch 2-8 parts, methyl-silicone oil 1-3 parts, agar 1-
5 parts, dispersant 5-10 parts, antifreeze auxiliary agent 3-8 parts, bacteriostatic agent 1-3 parts and deionized water 80-120 parts；
(2) material A is prepared：The sodium alginate that to weigh, hydroxymethyl starch, Lauryl Alcohol ester, sodium carboxymethylcellulose and
Wood fibre is poured into the kettle of vacuum emulsifying machine, adds the deionized water of 80-120 weight portions, with turning for 100-120r/min
Speed is sufficiently stirred for 60-80min under the conditions of 80-90 DEG C, obtains material A standby；
(5) material B is prepared：Agar, dispersant and the bacteriostatic agent that will be weighed are poured into the oil cauldron of vacuum emulsifying machine, with
The rotating speed of 100-120r/min is sufficiently stirred for 30-40min under the conditions of 75-85 DEG C, obtains material B standby；
(6) dust suppression liquid is prepared：Vacuum emulsification is pumped into after step (2) resulting material A is mixed with step (3) resulting material B
In the emulsification pot of machine, then to antifreeze auxiliary agent is added in emulsification pot, then with the rotating speed of 600-800r/min under the conditions of 60-70 DEG C
20-30min is sufficiently stirred for, dust suppression liquid is obtained standby；
(5) froth breaking dispersion liquid is prepared：Methyl-silicone oil is scattered in appropriate water, 5-30min to mixing is continuously stirred, then
Remaining water is added, 5-30min is continuously stirred to mixing, then after standing 5-10min, froth breaking dispersion liquid is obtained standby；
(6) dust suppressant is prepared：Step (5) gained froth breaking dispersion liquid is added in dust suppression liquid, starts vacuum plant, with
The rotating speed of 800-1200r/min stirs 20-30min under the vacuum state of negative pressure 0.07-0.09MPa, you can obtain the suppression
Dirt agent.
Further, the dispersant is made up of the raw material of following weight portion：Sodium lignin sulfonate 10-15 parts, acetic acid second
Ester 5-10 parts, acetone 1-5 parts, polyethylene glycol 1-5 parts.
Further, the dispersant is obtained by the following method：By the sodium lignin sulfonate of 10-15 weight portions,
The polyethylene glycol of the ethyl acetate, the acetone of 1-5 weight portions and 1-5 weight portions of 5-10 weight portions is stirred in stirred tank
Mix, speed of agitator is 80-120r/min, 45-55 DEG C of whipping temp, stirring 25-35min obtains the dispersant.
Further, the antifreeze auxiliary agent is the one kind in calcium chloride, sodium chloride, sodium metasilicate or any several mixing
Thing.
Further, the bacteriostatic agent is the one kind in Sodium Benzoate, sodium Diacetate and sodium sorbate.
The present invention also provides the application method of above-mentioned dust suppressant, and the application method is to be diluted with water to the dust suppressant
During viscosity is for the dust suppressant aqueous solution spray injection device of 300-500mPas, then by 1.0-2L/m2Consumption, by dust suppressant
The aqueous solution uniformly sprays to scattered dump top layer or dust surface.
In sum, by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1. using sodium alginate and hydroxypropul starch as film forming agent and binding agent, sodium alginate is dust suppressant of the invention
A kind of macromolecular compound of high viscosity, is high glycan aldehyde that the aldehyde radical of β ﹣ D mannuronic acids is formed with glycosidic bond with carboxyl
Acid, its aqueous solution has good film forming, hygroscopicity and stickiness, the cured film good toughness for being formed；Hydroxypropul starch is ring
One class nonionic converted starch of prepared by Ethylene Oxide plays etherification reaction with starch in the basic conditions, with good water-soluble
Property, hydrophily and water-retaining property, its gelatinization point are low, and good fluidity, viscosity and freeze-thaw stability are high, good film-forming property, the fine jade of addition
Fat viscosity is high, and coagulability is strong, and the two is used cooperatively with sodium alginate, can form the cured film of continuous uniform on dust surface, has
Effect prevents the evaporation of moisture in dust；Using Lauryl Alcohol ester as coalescents, the boiling point of Lauryl Alcohol ester is high, compatibility
Good, environmental-protecting performance is superior, it is possible to decrease film-forming temperature, helps to form excellent continuous film, after film forming, coalescents volatilization, no
Influence the characteristic of cured film；Wood fibre has powerful crosslinking function and can be with Natural Degradation；Addition methyl-silicone oil is used as disappearing
Infusion, is added in foam system, can reduce the local surface tension of foam, plays froth breaking effect；Dust suppression of the present invention
Each raw material of agent is used cooperatively, and serves good synergy so that the dust suppressant has multiple action effect.
2nd, dispersant, bacteriostatic agent and antifreeze auxiliary agent are additionally added in dust suppressant of the invention so that dust suppressant of the invention
The effect of dust suppression is not only acted as, it is thus also avoided that the problems such as dust suppressant winter freezes, dispersiveness is not good, in addition, the bacteriostatic agent of addition
Effectively infiltrate through mould cell membrane and interferases interaction, press down mycostatic generation, so as to effectively kill dust
Harmful bacteria in surrounding air, it is harmless to human body and plant, it is a kind of environmental protection, green, the dust suppressant of safety.
In sum, dust suppressant raw material proportioning of the invention is scientific and reasonable, is made up of 11 kinds of raw materials, can not only significantly drop
The surface tension of self raising flour dirt, quick humidification dust makes its rapid flocking settling to reach dust suppression purpose, and can be on dust surface
One layer of cured film with some strength and toughness is formed, effectively prevents dust from being polluted to environment, in addition, can also be effective
Ground solves dust suppressant winter frozen problem, kills the harmful bacteria in dust surrounding air, and the raw material for using has easily drop
Xie Xing, anti-dust effect significantly, is prepared simply, applied widely, secondary pollution is not resulted in, in addition, dust suppressant of the invention exists
Simple controllable, low cost, is easy to be extended and applied in preparation process, and production process is pollution-free to machine and production environment, symbol
Close the Ecological Concept of environmental protection.
【Specific embodiment】
The following examples can help those skilled in the art that the present invention is more fully understood, but cannot be with any
Mode limits the present invention.
Embodiment 1
A kind of dust suppressant that the present embodiment is provided is made up of the raw material of following weight portion：10 parts of sodium carboxymethylcellulose,
2 parts of sodium alginate, 2 parts of Lauryl Alcohol ester, 5 parts of wood fibre, 2 parts of hydroxymethyl starch, 1 part of methyl-silicone oil, 1 part of agar, dispersion
80 parts of 5 parts of agent, 3 parts of antifreeze auxiliary agent, 1 part of bacteriostatic agent and deionized water；Wherein, dispersant is made up of the raw material of following weight portion：
10 parts of sodium lignin sulfonate, 5 parts of ethyl acetate, 1 part of acetone, 1 part of polyethylene glycol；Antifreeze auxiliary agent is calcium chloride；Bacteriostatic agent is benzene
Sodium formate.
The preparation technology of above-mentioned dust suppressant comprises the following steps：
(1) dispersant is prepared
By the sodium lignin sulfonate of 10 weight portions, the ethyl acetate of 5 weight portions, the acetone of 1 weight portion and 1 weight portion
Polyethylene glycol is stirred in stirred tank, and speed of agitator is 80r/min, and 45 DEG C of whipping temp, stirring 25min obtains described point
Powder.
(2) dust suppressant is prepared
(1) preparation of raw material：Raw material components are weighed according to following parts by weight：10 parts of sodium carboxymethylcellulose, alginic acid
2 parts of sodium, 2 parts of Lauryl Alcohol ester, 5 parts of wood fibre, 2 parts of hydroxymethyl starch, 1 part of methyl-silicone oil, 1 part of agar, 5 parts of dispersant,
80 parts of 3 parts of antifreeze auxiliary agent, 1 part of bacteriostatic agent and deionized water；
(2) material A is prepared：The sodium alginate that to weigh, hydroxymethyl starch, Lauryl Alcohol ester, sodium carboxymethylcellulose and
Wood fibre is poured into the kettle of vacuum emulsifying machine, the deionized water of 80 weight portions is added, with the rotating speed of 100r/min in 80-90
60min is sufficiently stirred under the conditions of DEG C, material A is obtained standby；
(3) material B is prepared：Agar, dispersant and the bacteriostatic agent that will be weighed are poured into the oil cauldron of vacuum emulsifying machine, with
The rotating speed of 100r/min is sufficiently stirred for 30min under the conditions of 75 DEG C, obtains material B standby；
(4) dust suppression liquid is prepared：Vacuum emulsification is pumped into after step (2) resulting material A is mixed with step (3) resulting material B
In the emulsification pot of machine, then to antifreeze auxiliary agent is added in emulsification pot, then fully stirred under the conditions of 60 DEG C with the rotating speed of 600r/min
20min is mixed, dust suppression liquid is obtained standby；
(5) froth breaking dispersion liquid is prepared：Methyl-silicone oil is scattered in appropriate water, 5min to mixing is continuously stirred, then add
Enter remaining water, continuously stir 5min to mixing, then after standing 5min, froth breaking dispersion liquid is obtained standby；
(6) dust suppressant is prepared：Step (5) gained froth breaking dispersion liquid is added in dust suppression liquid, starts vacuum plant, with
The rotating speed of 800r/min stirs 20min under the vacuum state of negative pressure 0.07MPa, you can obtain the dust suppressant.
The application method of above-mentioned a kind of dust suppressant that the present embodiment is provided is：The dust suppressant is diluted with water to viscosity
In for the dust suppressant aqueous solution spray injection device of 300mPas, then by the consumption of 1.0/m2, by the dust suppressant aqueous solution to scattered coal
Heap top layer or dust surface are uniformly sprayed.
Embodiment 2
A kind of dust suppressant that the present embodiment is provided is made up of the raw material of following weight portion：12 parts of sodium carboxymethylcellulose,
6 parts of sodium alginate, 6 parts of Lauryl Alcohol ester, 7 parts of wood fibre, 6 parts of hydroxymethyl starch, 2 parts of methyl-silicone oil, 3 parts of agar, dispersion
100 parts of 7 parts of agent, 5 parts of antifreeze auxiliary agent, 2 parts of bacteriostatic agent and deionized water；Wherein, dispersant is made up of the raw material of following weight portion：
12 parts of sodium lignin sulfonate, 7 parts of ethyl acetate, 3 parts of acetone, 3 parts of polyethylene glycol；Antifreeze auxiliary agent be calcium chloride and sodium metasilicate according to
1:The mixture that 2 mass ratioes are mixed to get；Bacteriostatic agent is sodium Diacetate.
The preparation technology of above-mentioned dust suppressant comprises the following steps：
(1) dispersant is prepared
By the sodium lignin sulfonate of 12 weight portions, the ethyl acetate of 7 weight portions, the acetone of 3 weight portions and 3 weight portions
Polyethylene glycol is stirred in stirred tank, and speed of agitator is 100r/min, and 50 DEG C of whipping temp, stirring 30min obtains described
Dispersant.
(2) dust suppressant is prepared
(1) preparation of raw material：Raw material components are weighed according to following parts by weight：12 parts of sodium carboxymethylcellulose, alginic acid
6 parts of sodium, 6 parts of Lauryl Alcohol ester, 7 parts of wood fibre, 6 parts of hydroxymethyl starch, 2 parts of methyl-silicone oil, 3 parts of agar, 7 parts of dispersant,
100 parts of 5 parts of antifreeze auxiliary agent, 2 parts of bacteriostatic agent and deionized water；
(2) material A is prepared：The sodium alginate that to weigh, hydroxymethyl starch, Lauryl Alcohol ester, sodium carboxymethylcellulose and
Wood fibre is poured into the kettle of vacuum emulsifying machine, the deionized water of 100 weight portions is added, with the rotating speed of 110r/min at 85 DEG C
Under the conditions of be sufficiently stirred for 70min, obtain material A standby；
(3) material B is prepared：Agar, dispersant and the bacteriostatic agent that will be weighed are poured into the oil cauldron of vacuum emulsifying machine, with
The rotating speed of 110r/min is sufficiently stirred for 35min under the conditions of 80 DEG C, obtains material B standby；
(4) dust suppression liquid is prepared：Vacuum emulsification is pumped into after step (2) resulting material A is mixed with step (3) resulting material B
In the emulsification pot of machine, then to antifreeze auxiliary agent is added in emulsification pot, then fully stirred under the conditions of 65 DEG C with the rotating speed of 700r/min
25min is mixed, dust suppression liquid is obtained standby；
(5) froth breaking dispersion liquid is prepared：Methyl-silicone oil is scattered in appropriate water, 15min to mixing is continuously stirred, then add
Enter remaining water, continuously stir 15min to mixing, then after standing 7min, froth breaking dispersion liquid is obtained standby；
(6) dust suppressant is prepared：Step (5) gained froth breaking dispersion liquid is added in dust suppression liquid, starts vacuum plant, with
The rotating speed of 1000r/min stirs 25min under the vacuum state of negative pressure 0.08MPa, you can obtain the dust suppressant.
The application method of above-mentioned a kind of dust suppressant that the present embodiment is provided is：The dust suppressant is diluted with water to viscosity
In for the dust suppressant aqueous solution spray injection device of 400mPas, then by 1.5L/m2Consumption, by the dust suppressant aqueous solution to dissipate
Dump top layer or dust surface are uniformly sprayed.
Embodiment 3
A kind of dust suppressant that the present embodiment is provided constitutes 15 parts of sodium carboxymethylcellulose, sea by the raw material of following weight portion
8 parts of mosanom, 8 parts of Lauryl Alcohol ester, 10 parts of wood fibre, 8 parts of hydroxymethyl starch, 3 parts of methyl-silicone oil, 5 parts of agar, dispersant
120 parts of 10 parts, 8 parts of antifreeze auxiliary agent, 3 parts of bacteriostatic agent and deionized water；Wherein, dispersant is made up of the raw material of following weight portion：
15 parts of sodium lignin sulfonate, 10 parts of ethyl acetate, 5 parts of acetone, 5 parts of polyethylene glycol；Antifreeze auxiliary agent is sodium metasilicate；Bacteriostatic agent is mountain
Pears acid sodium.
The preparation technology of above-mentioned dust suppressant comprises the following steps：
(1) dispersant is prepared
By the sodium lignin sulfonate of 15 weight portions, the ethyl acetate of 10 weight portions, the acetone of 5 weight portions and 5 weight portions
Polyethylene glycol be stirred in stirred tank, speed of agitator is 120r/min, 55 DEG C of whipping temp, and stirring 35min obtains institute
State dispersant.
(2) dust suppressant is prepared
(1) preparation of raw material：Raw material components are weighed according to following parts by weight：15 parts of sodium carboxymethylcellulose, alginic acid
8 parts of sodium, 8 parts of Lauryl Alcohol ester, 10 parts of wood fibre, 8 parts of hydroxymethyl starch, 3 parts of methyl-silicone oil, 5 parts of agar, dispersant 10
Part, 8 parts of antifreeze auxiliary agent, 3 parts of bacteriostatic agent and 120 parts of deionized water；
(2) material A is prepared：The sodium alginate that to weigh, hydroxymethyl starch, Lauryl Alcohol ester, sodium carboxymethylcellulose and
Wood fibre is poured into the kettle of vacuum emulsifying machine, the deionized water of 120 weight portions is added, with the rotating speed of 120r/min at 90 DEG C
Under the conditions of be sufficiently stirred for 80min, obtain material A standby；
(3) material B is prepared：Agar, dispersant and the bacteriostatic agent that will be weighed are poured into the oil cauldron of vacuum emulsifying machine, with
The rotating speed of 120r/min is sufficiently stirred for 40min under the conditions of 85 DEG C, obtains material B standby；
(4) dust suppression liquid is prepared：Vacuum emulsification is pumped into after step (2) resulting material A is mixed with step (3) resulting material B
In the emulsification pot of machine, then to antifreeze auxiliary agent is added in emulsification pot, then fully stirred under the conditions of 70 DEG C with the rotating speed of 800r/min
30min is mixed, dust suppression liquid is obtained standby；
(5) froth breaking dispersion liquid is prepared：Methyl-silicone oil is scattered in appropriate water, 30min to mixing is continuously stirred, then add
Enter remaining water, continuously stir 30min to mixing, then after standing 10min, froth breaking dispersion liquid is obtained standby；
(6) dust suppressant is prepared：Step (5) gained froth breaking dispersion liquid is added in dust suppression liquid, starts vacuum plant, with
The rotating speed of 1200r/min stirs 30min under the vacuum state of negative pressure 0.09MPa, you can obtain the dust suppressant.
The application method of above-mentioned a kind of dust suppressant that the present embodiment is provided is：The dust suppressant is diluted with water to viscosity
In for the dust suppressant aqueous solution spray injection device of 500mPas, then by 2L/m2Consumption, by the dust suppressant aqueous solution to scattered coal
Heap top layer or dust surface are uniformly sprayed.
Comparative analysis
Take 25kg and cross 2 parts of the coal dust of 40 mesh standard sieves as test specimen, be positioned in outdoor environment, test group is using this
The dust suppressant of invention, by the way of watering, two groups of experimental conditions are identical, Pass Test standard for control group.
Test group：Dust suppressant described in embodiment 2；
Control group：It is added in blender by by sodium alginate 68%, carragheen 22% and surfactant 10%
The dust suppressant that row is obtained after being thoroughly mixed, application method is carried out in strict accordance with embodiment 2.
Test method：1.5-2.0L/m is pressed after dust suppressant is injected into sprinkler2Consumption be equably sprayed on it is selected
Experiment coal sample surface, every other day surveys a dust suppression rate, and the cycle is 21 days, dust suppression rate=(example weight+dust suppressant weight after test
Amount)/(example weight+dust suppressant weight before test).
Measurement result is as shown in table 1：
1 two groups of dust suppressant anti-dust effects of table determine situation
Data according to being recorded in form are obtained：Test group can be kept using the dust suppression rate of dust suppressant of the present invention in 72h
More than 99%, dust suppression rate was also positively retained at more than 92% at 21 days, and the dust suppressant that control group is used, dust suppression rate was at 21 days
60.1% is held only in, contrast understands, the anti-dust effect using dust suppressant of the present invention is notable, is worthy of popularization.
Although above the present invention is described in detail with a general description of the specific embodiments,
On the basis of the present invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Cause
This, these modifications or improvements, belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (6)
1. a kind of preparation technology of dust suppressant, it is characterised in that the preparation technology comprises the following steps：
(1) preparation of raw material：Raw material components are weighed according to following parts by weight：Sodium carboxymethylcellulose 10-15 parts, sodium alginate
2-8 parts, 2-8 parts of Lauryl Alcohol ester, wood fibre 5-10 parts, hydroxymethyl starch 2-8 parts, methyl-silicone oil 1-3 parts, agar 1-5 parts,
Dispersant 5-10 parts, antifreeze auxiliary agent 3-8 parts, bacteriostatic agent 1-3 parts and deionized water 80-120 parts；
(2) material A is prepared：The sodium alginate that to weigh, hydroxymethyl starch, Lauryl Alcohol ester, sodium carboxymethylcellulose and wooden
Fiber is poured into the kettle of vacuum emulsifying machine, adds the deionized water of 80-120 weight portions, is existed with the rotating speed of 100-120r/min
60-80min is sufficiently stirred under the conditions of 80-90 DEG C, material A is obtained standby；
(3) material B is prepared：Agar, dispersant and the bacteriostatic agent that will be weighed are poured into the oil cauldron of vacuum emulsifying machine, with 100-
The rotating speed of 120r/min is sufficiently stirred for 30-40min under the conditions of 75-85 DEG C, obtains material B standby；
(4) dust suppression liquid is prepared：Vacuum emulsifying machine is pumped into after step (2) resulting material A is mixed with step (3) resulting material B
It is then abundant under the conditions of 60-70 DEG C with the rotating speed of 600-800r/min in emulsification pot, then to antifreeze auxiliary agent is added in emulsification pot
Stirring 20-30min, obtains dust suppression liquid standby；
(5) froth breaking dispersion liquid is prepared：Methyl-silicone oil is scattered in appropriate water, 5-30min is continuously stirred to mixing, added
Remaining water, continuously stirs 5-30min to mixing, then after standing 5-10min, froth breaking dispersion liquid is obtained standby；
(6) dust suppressant is prepared：Step (5) gained froth breaking dispersion liquid is added in dust suppression liquid, starts vacuum plant, with 800-
The rotating speed of 1200r/min stirs 20-30min under the vacuum state of negative pressure 0.07-0.09MPa, you can obtain the dust suppressant.
2. the preparation technology of a kind of dust suppressant according to claim 1, it is characterised in that the dispersant is by following weight
The raw material composition of part：Sodium lignin sulfonate 10-15 parts, ethyl acetate 5-10 parts, acetone 1-5 parts, polyethylene glycol 1-5 parts.
3. the preparation technology of a kind of dust suppressant according to claim 2, it is characterised in that the dispersant is by following
What method was obtained：By the sodium lignin sulfonate of 10-15 weight portions, the ethyl acetate of 5-10 weight portions, 1-5 weight portions acetone with
And the polyethylene glycol of 1-5 weight portions is stirred in stirred tank, speed of agitator is 80-120r/min, whipping temp 45-55
DEG C, stirring 25-35min obtains the dispersant.
4. the preparation technology of a kind of dust suppressant according to claim 1, it is characterised in that the antifreeze auxiliary agent is chlorination
One kind or any several mixture in calcium, sodium chloride, sodium metasilicate.
5. the preparation technology of a kind of dust suppressant according to claim 1, it is characterised in that the bacteriostatic agent is benzoic acid
One kind in sodium, sodium Diacetate and sodium sorbate.
6. a kind of application method of the dust suppressant according to claim any one of 1-5, it is characterised in that the application method
It is that the dust suppressant is diluted with water in the dust suppressant aqueous solution spray injection device that viscosity is 300-500mPas, then presses
1.0-2L/m2Consumption, the dust suppressant aqueous solution is uniformly sprayed to scattered dump top layer or dust surface.
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| CN111471435A (en) * | 2020-06-02 | 2020-07-31 | 甘肃环迪化工技术有限公司 | Preparation method of environment-friendly multifunctional dust suppressant |
| CN111826124A (en) * | 2020-07-29 | 2020-10-27 | 矿冶科技集团有限公司 | Dust inhibitor and preparation method and use method thereof |
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| CN108219749A (en) * | 2017-12-12 | 2018-06-29 | 王敏 | A kind of preparation method of anti-freezing type road dust inhibitor |
| CN108355426A (en) * | 2017-12-21 | 2018-08-03 | 山东理工大学 | A kind of effect additive and preparation method entirely |
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| CN112142861A (en) * | 2019-06-28 | 2020-12-29 | 合肥杰事杰新材料股份有限公司 | Novel environment-friendly dust suppressant and preparation method thereof |
| CN110157380A (en) * | 2019-07-02 | 2019-08-23 | 孙心淼 | A kind of dustfall agent and preparation method thereof containing sodium alginate |
| CN110373156A (en) * | 2019-08-29 | 2019-10-25 | 艾珂(上海)环境技术工程有限公司 | A kind of Environment-friendlywater-soluble water-soluble coheres type dust suppressant and preparation method thereof |
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| CN111205824A (en) * | 2020-03-12 | 2020-05-29 | 青岛科技大学 | Marine environment-friendly dust fixing agent and preparation method thereof |
| CN111471435A (en) * | 2020-06-02 | 2020-07-31 | 甘肃环迪化工技术有限公司 | Preparation method of environment-friendly multifunctional dust suppressant |
| CN111826124A (en) * | 2020-07-29 | 2020-10-27 | 矿冶科技集团有限公司 | Dust inhibitor and preparation method and use method thereof |
| CN112674113A (en) * | 2020-12-24 | 2021-04-20 | 石家庄新邦尔节能技术有限公司 | Dust suppression antibacterial agent and preparation method thereof |
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Application publication date: 20170627 |