CN109985481A - A kind of ultra-fine grain agglomerator and preparation method thereof - Google Patents
A kind of ultra-fine grain agglomerator and preparation method thereof Download PDFInfo
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- CN109985481A CN109985481A CN201910299491.7A CN201910299491A CN109985481A CN 109985481 A CN109985481 A CN 109985481A CN 201910299491 A CN201910299491 A CN 201910299491A CN 109985481 A CN109985481 A CN 109985481A
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- agglomerator
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- fine grain
- polyvinylpyrrolidone
- emulsifier
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D51/00—Auxiliary pretreatment of gases or vapours to be cleaned
- B01D51/02—Amassing the particles, e.g. by flocculation
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Abstract
The present invention provides a kind of ultra-fine grain agglomerators, include the following components'mass percentage: 0.001~0.1% polyvinylpyrrolidone, 0.001~0.01% emulsifier, 0.001~0.01% inorganic additives and surplus are water；The molecular weight of polyvinylpyrrolidone is 45000~58000, and emulsifier is polyoxyethylene sorbitol beeswax derivatives and its HLB value is 3.0~6.0, and inorganic additives are any one or a few combination in potassium chloride, potassium phosphate, sodium chloride and sodium phosphate.Preparation process is as follows: water being first added in a reservoir, under room temperature and stirring condition, is proportionally added into polyvinylpyrrolidone, emulsifier and inorganic additives, then proceedes to stirring until all components are completely dissolved in water and are uniformly mixed.Above-mentioned agglomerator preparation process is simple, Environmental compatibility is good, Component Source is extensive and price economy, obvious to the agglomeration of ultra-fine grain.
Description
Technical field
The present invention relates to Environmental-protecting dust-removing technical fields, particularly, are related to a kind of suitable for electrostatic precipitator and spray for dust suppression
The agglomeration promotor and preparation method thereof of ultra-fine grain in technology, to improve efficiency of dust collection.
Background technique
PM2.5 refers to that for aerodynamics equivalent diameter in 2.5 microns of particulate matters below, it can be for a long time in surrounding air
It is suspended in the air.Since PM2.5 has the characteristics that partial size is small, bigger than table product, activity is strong, is easily attached to poisonous and harmful substance,
Therefore easily a series of diseases are sucked and then caused by human body or other animals.Therefore, occurs the dedusting of various models on the market
Device.
Although existing dust-extraction unit is up to 90% or more in terms of efficiency of dust collection, these dust-extraction units are most of all
It is to be designed for equivalent aerodynamic diameter in 2.5 microns or more of dust particle, it is ultra-fine for what is be commonly called as in the industry
Particulate matter, that is, PM2.5 particle capture rate is very low, inevitably, still has a large amount of superfine particulate matter to be discharged into every year
In atmosphere, potential hazard is caused to the living environment of people.
Currently, the desorption technology for superfine particulate matter is broadly divided into high-effective dust-removing technology and chemical agglomeration technology.Wherein,
Chemical agglomeration technology can be under conditions of not changing existing dedusting technology, the superfine particulate matter being effectively removed in air, together
When be advantageously implemented multiple pollutant collaboration removal.The core of chemical agglomeration technology is to select suitable agglomerator, because
This, developing economic, efficient, environmentally friendly agglomerator has ten for the production and living of this field research and people
Divide important meaning.
Summary of the invention
The purpose of the present invention is to provide a kind of economic, efficient and environment amenable superfine particulate matter chemical agglomeration agent,
To solve the problems, such as to propose in background technique.
To achieve the above object, the present invention provides a kind of ultra-fine grain agglomerator, the group including following mass percent
Point: 0.001%~0.1% polyvinylpyrrolidone, 0.001%~0.01% emulsifier, 0.001%~0.01%
Inorganic additives and surplus are water.
Preferably, the molecular weight of the polyvinylpyrrolidone is greater than 45000.It is highly preferred that the polyvinylpyrrolidine
The molecular weight of ketone is 45000~58000.
Preferably, the emulsifier is polyoxyethylene sorbitol beeswax derivatives.
Preferably, the HLB value of the polyoxyethylene sorbitol beeswax derivatives is 3.0~6.0.
Preferably, the inorganic additives be potassium chloride, potassium phosphate, sodium chloride and sodium phosphate in any one or it is several
Kind combination.
The present invention also provides a kind of preparation method about above-mentioned ultra-fine grain agglomerator, preparation process is as follows: first holding
Water is added in device, keeps room temperature and stirring condition, is proportionally added into polyvinylpyrrolidone, emulsifier and inorganic additives,
Stirring is then proceeded to until all components are completely dissolved in water and are uniformly mixed.
The ultra-fine grain agglomerator can be pre-configured to concentrate, and then scene is dense needed for being diluted with water to when in use
Degree can be so that it is convenient to store product and transported.
Technical solution provided by the invention at least has the following beneficial effects:
1, agglomerator provided by the invention includes polyvinylpyrrolidone, emulsifier, inorganic additives and water；It is described poly-
Vinylpyrrolidone is a kind of non-ionic macromolecule compound, has good film forming, caking property and hygroscopicity, can be
Solubilising and cohesion are played in system and there is good biological compatibility；The emulsifier uses polyoxyethylene sorbitol bee
Wax derivative, the effect on agglomerating granule stability is more preferable, to improve agglomerator to the agglomeration efficiency of ultra-fine grain；
The electric conductivity of particle can effectively be enhanced by the way that inorganic additives are added, the specific resistance and surface tension of particle is reduced, promote
The wetting of ultra-fine grain, and then improve the removal efficiency of electrostatic precipitation.
2, agglomerator provided by the invention is with Environmental compatibility is good, production process is simple and easily operated, Component Source
Extensive and cheap advantage, it is obvious for the agglomeration of superfine particulate matter, efficiently ultra-fine grain can be agglomerated into greatly
Volume particles, to meet existing cleaner to the Particle size requirements of dust particle.
Specific embodiment
Below in conjunction with the content of present invention, technical scheme in the embodiment of the invention is clearly and completely described, shows
So, the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, all other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
A kind of ultra-fine grain agglomerator, includes the following components'mass percentage: 0.001%~0.1% polyethylene pyrrole
Pyrrolidone, 0.001%~0.01% emulsifier, 0.001%~0.01% inorganic additives and surplus are water.
The molecular weight of the polyvinylpyrrolidone is 45000~58000, and the emulsifier is polyoxyethylene sorbitol bee
Wax derivative and its HLB value are 3.0~6.0, and the inorganic additives are in potassium chloride, potassium phosphate, sodium chloride and sodium phosphate
Any one or a few combination.
When preparing to ultra-fine grain agglomerator, be first added water in a reservoir, keep room temperature and stirring condition, by than
Example sequentially adds polyvinylpyrrolidone, emulsifier and inorganic additives, then proceedes to stirring until all components are completely molten
In Xie Yushui and it is uniformly mixed.The specific embodiment of several following ultra-fine grain agglomerators is prepared by this method.
Embodiment 1
In the present embodiment, the molecular weight of used polyvinylpyrrolidone is 45000, and used emulsifier is
Atlas G-1725 (i.e. polyoxyethylene sorbitol beeswax derivatives, HLB=6.0), used inorganic additives are chlorination
Potassium, and the concrete content of each component is referring to table 1.
The formula of agglomerator in 1 embodiment 1 of table
| Raw material components | Mass ratio (%) |
| Polyvinylpyrrolidone | 0.06 |
| AtlasG-1725 | 0.005 |
| Potassium chloride | 0.005 |
| Water | 99.93 |
Embodiment 2
In the present embodiment, the molecular weight of used polyvinylpyrrolidone is 58000, and used emulsifier is
Atlas G-1702 (i.e. polyoxyethylene sorbitol beeswax derivatives, HLB=5.0), used inorganic additives are chlorination
Sodium, and the concrete content of each component is referring to table 2.
The formula of agglomerator in 2 embodiment 2 of table
| Raw material components | Mass ratio (%) |
| Polyvinylpyrrolidone | 0.001 |
| AtlasG-1702 | 0.001 |
| Sodium chloride | 0.001 |
| Water | 99.997 |
Embodiment 3
In the present embodiment, the molecular weight of used polyvinylpyrrolidone is 50000, and used emulsifier is
Arias G-1727 (i.e. polyoxyethylene sorbitol beeswax derivatives, HLB=4.0), used inorganic additives are phosphoric acid
The combination of potassium and sodium phosphate, and the concrete content of each component is referring to table 3.
The formula of agglomerator in 3 embodiment 3 of table
Embodiment 4
In the present embodiment, the molecular weight of used polyvinylpyrrolidone is 55000, and used emulsifier is
Atlas G-1704 (i.e. polyoxyethylene sorbitol beeswax derivatives, HLB=3.0), used inorganic additives are phosphoric acid
The combination of potassium and sodium chloride, and the concrete content of each component is referring to table 4.
The formula of agglomerator in 4 embodiment 4 of table
| Raw material components | Mass ratio (%) |
| Polyvinylpyrrolidone | 0.02 |
| AtlasG-1704 | 0.007 |
| Potassium phosphate+sodium chloride | 0.003 |
| Water | 99.97 |
Comparative example 1
Formula used by agglomerator is substantially the same manner as Example 1 in the present embodiment, and distinctive points are in institute in this present embodiment
The molecular weight of polyvinylpyrrolidone is 40000.
Comparative example 2
Formula used by agglomerator is substantially the same manner as Example 2 in the present embodiment, and distinctive points are in institute in this present embodiment
The molecular weight of polyvinylpyrrolidone is 76000.
Comparative example 3
Compared with Example 1, distinctive points are being free of polyvinylpyrrolidine to agglomerator in the present embodiment in this present embodiment
Ketone component, referring to table 5.
The formula of agglomerator in 5 comparative example 3 of table
| Raw material components | Mass ratio (%) |
| Polyvinylpyrrolidone | 0 |
| AtlasG-1725 | 0.005 |
| Potassium chloride | 0.005 |
| Water | 99.99 |
Comparative example 4
Compared with Example 1, distinctive points are in polyvinylpyrrolidine used in this present embodiment for agglomerator in the present embodiment
The mass ratio of ketone is 0.2%, referring to table 6.
The formula of agglomerator in 6 comparative example 4 of table
| Raw material components | Mass ratio (%) |
| Polyvinylpyrrolidone | 0.2 |
| AtlasG-1725 | 0.005 |
| Potassium chloride | 0.005 |
| Water | 99.79 |
Comparative example 5
Compared with Example 1, distinctive points are that emulsifier used in the present embodiment is to agglomerator in the present embodiment
AtlasG-1706 (i.e. polyoxyethylene sorbitol beeswax derivatives, HLB=2.0), referring to table 7.
The formula of agglomerator in 7 comparative example 5 of table
| Raw material components | Mass ratio (%) |
| Polyvinylpyrrolidone | 0.06 |
| AtlasG-1706 | 0.005 |
| Potassium chloride | 0.005 |
| Water | 99.93 |
Comparative example 6
Compared with Example 1, distinctive points are that emulsifier used in the present embodiment is to agglomerator in the present embodiment
AtlasG-1734 (i.e. polyoxyethylene sorbitol beeswax derivatives, HLB=9.0), referring to table 8.
The formula of agglomerator in 8 comparative example 6 of table
| Raw material components | Mass ratio (%) |
| Polyvinylpyrrolidone | 0.06 |
| AtlasG-1734 | 0.005 |
| Sodium sulphate | 0.005 |
| Water | 99.93 |
Comparative example 7
Compared with Example 1, distinctive points are that inorganic salts used in the present embodiment add to agglomerator in the present embodiment
Agent is sodium sulphate, referring to table 9.
The formula of agglomerator in 9 comparative example 7 of table
| Raw material components | Mass ratio (%) |
| Polyvinylpyrrolidone | 0.06 |
| AtlasG-1725 | 0.005 |
| Sodium sulphate | 0.005 |
| Water | 99.93 |
Comparative example 8
The agglomerator that the present embodiment is selected is the ZD-02 type PM2.5 chemistry of Jiangsu Zheng Lan Environmental Protection Technology Co., Ltd production
Agglomerator.
As simulation cigarette after electrostatic precipitation flying dust (or flying dust from building site) and the air mixing of spontaneous combustion in future coal-fired plant
Gas is passed through reunion interior, successively will be super in Examples 1 to 4 and comparative example 1~8 under the action of outside air
Fine grained agglomerator spray into reunite it is indoor, agglomerator be atomized into partial size the droplet of 25 microns and reuniting it is indoor
Residence time is 10s.Ultra-fine grain is constantly assembled under the action of agglomerator, grows up, and is then captured by bag filter, adopts
Carried out at the aft exit of bag filter with isokinetic sampling's instrument isokinetic sampling (including use agglomerator and be not used reunite
Two kinds of situations of agent), measure the concentration of emission of particulate matter.Testing result is as shown in table 10.
The testing result of the granular material discharged concentration of table 10
As can be known from the above table, compared to existing product, agglomerator provided by the invention has the ultra-fine grain in air
Higher agglomeration efficiency, i.e., the clean-up effect that cooperation dust-extraction unit generates air dramatically increase.Meanwhile in skill of the present invention
In art scheme, molecule stability itself (is being ensured by the polyvinylpyrrolidone that preferred molecular weight is 45000~58000
There is preferable surface-active simultaneously) and HLB value be 3.0~6.0 polyoxyethylene sorbitol beeswax derivatives and using closing
Suitable component ratio, so that agglomerator achieves more compared to existing product on the market or other technologies scheme in the present invention
Good dust removing effects.
The above description is only a preferred embodiment of the present invention, is not intended to limit scope of patent protection of the invention, for
For those skilled in the art, the invention may be variously modified and varied.Within the spirit and principles in the present invention, all
It is directly or indirectly to be used in other relevant skills using any improvement or equivalent replacement made by present specification
Art field should all be included within the scope of the present invention.
Claims (7)
1. a kind of ultra-fine grain agglomerator, which is characterized in that include the following components'mass percentage: 0.001%~0.1%
Polyvinylpyrrolidone, 0.001%~0.01% emulsifier, 0.001%~0.01% inorganic additives and surplus
For water.
2. a kind of ultra-fine grain agglomerator according to claim 1, which is characterized in that point of the polyvinylpyrrolidone
Son amount is greater than 45000.
3. a kind of ultra-fine grain agglomerator according to claim 2, which is characterized in that point of the polyvinylpyrrolidone
Son amount is 45000~58000.
4. a kind of ultra-fine grain agglomerator according to claim 2, which is characterized in that the emulsifier is polyoxyethylene mountain
Pears alcohol beeswax derivatives.
5. a kind of ultra-fine grain agglomerator according to claim 4, which is characterized in that the polyoxyethylene sorbitol beeswax
The HLB value of derivative is 3.0~6.0.
6. a kind of ultra-fine grain agglomerator according to claim 4, which is characterized in that the inorganic additives are chlorination
Any one or a few combination in potassium, potassium phosphate, sodium chloride and sodium phosphate.
7. a kind of preparation method of the ultra-fine grain agglomerator as described in any one of claim 1~6, which is characterized in that
Water is first added in a reservoir, keeps room temperature and stirring condition, is proportionally added into polyvinylpyrrolidone, emulsifier and inorganic salts and adds
Add agent, then proceedes to stirring until all components are completely dissolved in water and are uniformly mixed.
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| US20130344434A1 (en) * | 2008-09-08 | 2013-12-26 | Lexmark International, Inc. | Emulsion Aggregation Toner Formulation |
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