CN104826389A - Adsorbing and filtering agent special for high-strength dirt catcher and making method of adsorption filtering agent - Google Patents
Adsorbing and filtering agent special for high-strength dirt catcher and making method of adsorption filtering agent Download PDFInfo
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- CN104826389A CN104826389A CN201510188246.0A CN201510188246A CN104826389A CN 104826389 A CN104826389 A CN 104826389A CN 201510188246 A CN201510188246 A CN 201510188246A CN 104826389 A CN104826389 A CN 104826389A
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Abstract
The invention discloses an adsorbing and filtering agent special for a high-strength dirt catcher. The adsorbing and filtering agent is characterized by being prepared from the following raw materials in parts by weight: 64-75 parts of dolomite, 15-20 parts of gangue, 9-16 parts of kaolinite, 3-6 parts of cement, 3.5-5.5 parts of nano-titanium dioxide, 1-3 parts of potassium hydroxide, 2-4 parts of cobalt chloride, 8-10 parts of glass fiber, 0.9-1.3 parts of alginic acid, 7-11 parts of polyethyleneimine solution and an appropriate amount of water. In the invention, the prepared adsorbing and filtering agent with cement added therein has the advantages of coarse and hard surface, high specific surface area, high porosity, good adsorbing and filtering performance, high strength, simple and convenient operation, low cost and easy generalization and use. The nano-titanium dioxide is loaded on the surface of the dolomite through a physical and chemical modification method, and organic pollutant can be degraded into carbon dioxide and oxygen, so that hazardous substance absorbed on the dolomite can be reduced, and the service life of the absorbing and filtering agent is prolonged.
Description
Technical field
The present invention relates to absorption filter agent field of material technology, be specifically related to special absorption filter agent of a kind of high strength deduster and preparation method thereof.
Background technology
Along with the fast development of process of industrialization, air quality problems is increasingly serious, especially the healthy of people in nationwide haze serious threat in recent years, the side effect brought thus is also day by day serious, wherein arch-criminal is exactly the flue dust of the discharge such as kiln head and tail, furnace of calcium carbide, ferro-alloy furnace of the industries such as domestic building materials, chemical industry, metallurgy, and cleaner the most frequently used is at present exactly sack cleaner.Sack cleaner is a kind of dry type dust filtration device, after filtrate uses a period of time, due to effects such as sieving, collision, delay, diffusion, electrostatic, one deck dust has been gathered on filter bag surface, this layer of dust is called bonding layer, and in motion process after this, bonding layer has become the main filtration layer of filtrate, rely on the effect of bonding layer, the filtrate that mesh is larger also can obtain higher filter efficiency.But the utilization of bonding layer is abundant not in real-world operation process, cause that dust removing effects is low, the consequences such as erosion corrosion situation is serious after filtrate Long-Time Service, the absorption filter agent being badly in need of a kind of efficient function diversification is sprayed on filter material surface and is used as bonding layer use before deduster is started working, both can improve the dust removing effects of deduster, the harmful exhaust that absorption is fallen to discharge can also have been filtered.
Summary of the invention
Object of the present invention is just to provide special absorption filter agent of a kind of high strength deduster and preparation method thereof, to overcome the deficiencies in the prior art.
The object of the present invention is achieved like this:
The special absorption filter agent of a kind of high strength deduster, it is characterized in that, be made up of the raw material of following weight portion: dolomite 65-75, gangue 15-20, kaolinite 9-16, cement 3-6, nano titanium oxide 3.5-5.5, potassium hydroxide 1-3, cobalt chloride 2-4, glass fibre 8-10, alginic acid 0.9-1.3, polyethylenimine solution 7-11, suitable quantity of water.
The preparation method of the described special absorption filter agent of a kind of high strength deduster, is characterized in that comprising the following steps:
(1) glass fibre is pulverized 120-180 mesh sieve, added nano titanium oxide, cement, polyethylenimine solution agitation grinding 1-2 hour, at 150-180 DEG C, dry obtained modified nano-titanium dioxide;
(2) get dolomite in 560-670 DEG C of high-temperature calcination process 2-4 hour, cooling is pulverized to drop in high mixer and is added modified nano-titanium dioxide in 140-170 DEG C of mix and blend 30-50 minute;
(3) potassium hydroxide is added water to be stirred to dissolve completely, add step (2) material stirring 10-20 minute, be warming up to 80-120 DEG C and continue to stir 30-40 minute, then add gangue, kaolinite and other residual components dispersion grinding 2-3 hour, granulation is dried, discharging.
The present invention has following beneficial effect: the present invention adds that the obtained absorption filter agent rough surface of cement is hard, specific area is large, porosity is high, Adsorption Filtration Properties is good, intensity is high, easy and simple to handle, be with low costly easy to promote the use of, by physical and chemical modified method, nano titanium oxide is carried on dolomite surface, organic pollution can be decomposed into carbon dioxide and oxygen, thus reduce the harmful substance that is adsorbed on dolomite, extend absorption filter agent service life.
Detailed description of the invention
The described special absorption filter agent of a kind of high strength deduster, it is characterized in that, be made up of the raw material of following weight portion: dolomite 71, gangue 17, kaolinite 9, cement 4, nano titanium oxide 5.1, potassium hydroxide 1, cobalt chloride 4, glass fibre 8, alginic acid 1.2, polyethylenimine solution 10, suitable quantity of water.
Preparation method comprises the following steps:
(1) glass fibre is pulverized 120-180 mesh sieve, added nano titanium oxide, cement, polyethylenimine solution agitation grinding 1-2 hour, at 150-180 DEG C, dry obtained modified nano-titanium dioxide;
(2) get dolomite in 560-670 DEG C of high-temperature calcination process 2-4 hour, cooling is pulverized to drop in high mixer and is added modified nano-titanium dioxide in 140-170 DEG C of mix and blend 30-50 minute;
(3) potassium hydroxide is added water to be stirred to dissolve completely, add step (2) material stirring 10-20 minute, be warming up to 80-120 DEG C and continue to stir 30-40 minute, then add gangue, kaolinite and other residual components dispersion grinding 2-3 hour, granulation is dried, discharging.
The specific area of the absorption filter agent using the present invention to produce is 317 ㎡/g; Trapping dust efficiency>=98%; Side pressure strength: 50.9Ncm
-1.
Claims (2)
1. the special absorption filter agent of high strength deduster, it is characterized in that, be made up of the raw material of following weight portion: dolomite 65-75, gangue 15-20, kaolinite 9-16, cement 3-6, nano titanium oxide 3.5-5.5, potassium hydroxide 1-3, cobalt chloride 2-4, glass fibre 8-10, alginic acid 0.9-1.3, polyethylenimine solution 7-11, suitable quantity of water.
2. the preparation method of the special absorption filter agent of a kind of high strength deduster according to claim 1, is characterized in that comprising the following steps:
(1) glass fibre is pulverized 120-180 mesh sieve, added nano titanium oxide, cement, polyethylenimine solution agitation grinding 1-2 hour, at 150-180 DEG C, dry obtained modified nano-titanium dioxide;
(2) get dolomite in 560-670 DEG C of high-temperature calcination process 2-4 hour, cooling is pulverized to drop in high mixer and is added modified nano-titanium dioxide in 140-170 DEG C of mix and blend 30-50 minute;
(3) potassium hydroxide is added water to be stirred to dissolve completely, add step (2) material stirring 10-20 minute, be warming up to 80-120 DEG C and continue to stir 30-40 minute, then add gangue, kaolinite and other residual components dispersion grinding 2-3 hour, granulation is dried, discharging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510188246.0A CN104826389A (en) | 2015-04-21 | 2015-04-21 | Adsorbing and filtering agent special for high-strength dirt catcher and making method of adsorption filtering agent |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510188246.0A CN104826389A (en) | 2015-04-21 | 2015-04-21 | Adsorbing and filtering agent special for high-strength dirt catcher and making method of adsorption filtering agent |
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| CN104826389A true CN104826389A (en) | 2015-08-12 |
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| CN201510188246.0A Pending CN104826389A (en) | 2015-04-21 | 2015-04-21 | Adsorbing and filtering agent special for high-strength dirt catcher and making method of adsorption filtering agent |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109157912A (en) * | 2018-08-31 | 2019-01-08 | 江苏新亿源环保科技有限公司 | A kind of preparation method for mixing cobalt titanium dioxide biofilter material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109157912A (en) * | 2018-08-31 | 2019-01-08 | 江苏新亿源环保科技有限公司 | A kind of preparation method for mixing cobalt titanium dioxide biofilter material |
| CN109157912B (en) * | 2018-08-31 | 2021-05-04 | 平果嘉臻环保科技有限责任公司 | Preparation method of cobalt-doped titanium dioxide biological filter material |
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Application publication date: 20150812 |
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