CN103820999A - Finishing method for bag type dedusting material and prepared dedusting material - Google Patents
Finishing method for bag type dedusting material and prepared dedusting material Download PDFInfo
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- CN103820999A CN103820999A CN201410066924.1A CN201410066924A CN103820999A CN 103820999 A CN103820999 A CN 103820999A CN 201410066924 A CN201410066924 A CN 201410066924A CN 103820999 A CN103820999 A CN 103820999A
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- Prior art keywords
- dedusting material
- bag type
- emulsion
- dedusting
- sorting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
Abstract
The invention relates to a finishing method for a bag type dedusting material and a prepared dedusting material. The finishing method comprises the following concrete steps: preparing foam emulsion by mixing, by mass, 20 to 24% of polytetrafluoroethylene emulsion, 20 to 24% of organosilicone modified acrylate, 2 to 4% of a nano-particle catalyst, 0.2 to 1% of vinyltriethoxysilane, 1 to 2% of hydroxyethyl cellulose, 4 to 6% of carboxymethylcellulose sodium, 2 to 6% of sodium dodecyl benzene sulfonate, 1 to 3% of a thickening agent and 30 to 50% of water; and carrying out foam coating, drying and curing on the dust-facing surface of the dedusting material, thereby forming a functional layer for catalytic decomposition of nitrogen oxide in discharged gas. The bag type dedusting material prepared in the invention can be widely used for dedusting and purifying of high temperature flue gas produced in the industries of steel, power generation, cement, coal-fired boilers and the like, can realize catalytic decomposition of nitrogen oxide in flue gas and is of profound meaning to treatment of atmospheric pollution and environmental protection.
Description
Technical field
The present invention relates to a kind of method for sorting of dedusting material and make dedusting material, is a kind of method for sorting that makes bag type dedusting material possess catalytic decomposition nitrogen oxides in effluent ability specifically.
Background technology
In bag dust abatement field, sack cleaner is usually used in removing the tiny solid particle in industrial discharge gas.In the operating mode of sack cleaner, usually can run into the mist of nitrogen-containing oxide; because existing bag type dedusting material only can be removed the solid particulate matter in industrial discharge gas; cause final a certain amount of discharged nitrous oxides in atmosphere, cause atmosphere pollution, cause acid rain and photochemical fog.
Summary of the invention
In view of the above problems, be necessary to provide a kind of method for sorting of bag type dedusting material, make soot filtering material possess the ability of catalytic decomposition nitrogen oxides in effluent.
A method for sorting for bag type dedusting material, comprises the steps:
(1) configuration foam latex: get by weight ptfe emulsion 20～24%, organosilicon-modified acrylate 20～24%, nanoparticle catalyst 2～4%, vinyltriethoxysilane 0.2～1%, hydroxyethylcellulose 1～2%, sodium carboxymethylcellulose 4～6%, dodecyl sulphur Sodium Benzoate 2～6%, thickener 1～3% and water 30～50% mixing and stirring and make foam latex;
(2) above-mentioned foam latex is carried out to coating processing by foam finishing machine to dedusting material dust-collecting face, described dedusting material transporting velocity is 3～5m/min, and emulsion coating rate is 50～60%;
(3) the dedusting material of processing through step (2) is dried, on Volume cloth rewinder roll, complete the arrangement of bag type dedusting material.
Described in above-mentioned steps (1), nanoparticle catalyst is Pt/AL
2o
3, Pt/SiO
2, Rh/AL
2o
3in any one, described thickener is acrylic acid copolymer dispersion.
In described step (3), bake out temperature is 140 ℃～190 ℃, and the transporting velocity of dedusting material in baking oven is 3～5m/min.
As adding in the following order emulsion raw materials in step described in preferred version (1):
First PTFE (polytetrafluoroethylene (PTFE)) emulsion, organosilicon-modified acrylate emulsion, nano particle are weighed and put into stirred vessel by quality per distribution ratio, be uniformly mixed; Secondly hydroxyethylcellulose, sodium carboxymethylcellulose, neopelex are dissolved in distilled water altogether, uniform stirring dissolves, the PTFE emulsion, organosilicon-modified acrylate emulsion, the nano particle mixed emulsion that solution are slowly injected to high-speed stirred, continue to stir; Finally add the agent of acrylic acid copolymer dispersion thickens by quality per distribution ratio, foam by high-speed stirred, complete the preparation of foam latex.
While oven dry in described step (3), adopt five dryer compositions, every dryer has a thermometer displays temperature.
Dedusting material of the present invention can be PPS acupuncture filter material, and base cloth is PPS woven fabric or P84 acupuncture filter material, and base cloth is glass fiber weaving cloth, can also be glass fibre acupuncture filter material, and base cloth is glass fiber weaving cloth.
The dedusting material that a kind of above-mentioned bag type dedusting material method for sorting makes.
Bag type dedusting material method for sorting of the present invention is to utilize Pt/AL
2o
3, Pt/SiO
2, Rh/AL
2o
3the catalyticing decomposition action of catalyst, coordinate PTFE (polytetrafluoroethylene (PTFE)) emulsion, organosilicon-modified acrylate, hydroxyethylcellulose, sodium carboxymethylcellulose, dodecyl sulphur Sodium Benzoate, the mixture of thickener acrylic acid copolymer dispersion (PTF) and water carries out foam-coating and baking and curing processing to bag type dedusting material dust-collecting face, thereby on bag type dedusting material dust-collecting face, form catalytic decomposition functional layer, in the case of maintenance good permeability and water and oil repellant performance, give the effect of nitrogen oxide in the catalytic decomposition industrial discharge gas that bag type dedusting material is good.
Adopt high temperature resistant soda acid test macro to detect the effect of the dedusting material nitrogen oxide catalytic decomposition arranging through the present invention.Chamber temperature is 150 ℃～250 ℃; Test gas is made up of 0.5% nitrogen oxide, 6% oxygen, 33.5% carbon monoxide and 60% carbon dioxide by mass percentage, and its pressure is 0.2MPa; Adopt the detection of nitrogen oxide detector to pass through the concentration of the nitrogen oxide in the forward and backward test gas of soot filtering material; Press formula: decompose nitrogen oxides rate is calculated in decompose nitrogen oxides rate %=100 × (0.5-is by nitrous oxides concentration after soot filtering material)/0.5.
Bag type dedusting material prepared by the present invention can be widely used in the high temperature flue-gas dust removal and purifications such as iron and steel, generating, cement, coal-burning boiler, effectively the compound of itching of the nitrogen in catalytic decomposition flue gas.Control atmosphere pollution, protection of the environment are had to far reaching significance.
The specific embodiment
Below in conjunction with specific embodiment, the present invention will be further described.
Embodiment mono-:
1, bag type dedusting material is arranged, concrete steps are:
(1) preparation foam latex: get by quality per distribution ratio: polytetrafluoroethylene (PTFE) (PTFE) emulsion 20Kg (20%), organosilicon-modified acrylate emulsion 20Kg (20%), Pt/hL
2o
3nano particle 2Kg (2%), hydroxyethylcellulose 1Kg (1%), sodium carboxymethylcellulose 4Kg (4%), dodecyl sulphur Sodium Benzoate 2Kg (2%), acrylic acid copolymer dispersion (PTF) thickener 1Kg (1%), distilled water 50Kg (50%) put into stirred vessel, be uniformly mixed foaming, complete that to prepare foam latex for subsequent use;
(2) by dedusting material PPS acupuncture filter material, base cloth is PPS woven fabric, by foam finishing machine, adopts the foam latex of above-mentioned preparation to carry out foam-coating processing to dedusting material dust-collecting face, dedusting material transporting velocity is 5m/min, and foam latex coating rate is 50%;
(3) the dedusting material after foam-coating is passed through to baking oven, bake out temperature is 140 ℃～190 ℃, and the transporting velocity of dedusting material in baking oven is 5m/min, and dedusting material on Volume cloth rewinder roll, completes bag type dedusting material is arranged after drying.
2. decompose nitrogen oxides measure of merit
Adopt commercially available high temperature resistant soda acid test macro (FY1601 that Wenzhou circumference Instrument Ltd. produces) to detect the effect of the soot filtering material nitrogen oxide catalytic decomposition obtaining through above-mentioned method for sorting.Chamber temperature is 170 ℃, and calculating after testing decompose nitrogen oxides rate is 18.6%.
Embodiment bis-:
1, bag type dedusting material is arranged, concrete steps are:
(1) preparation foam latex: get polytetrafluoroethylene (PTFE) (PTFE) emulsion 22Kg (22%), organosilicon-modified acrylate emulsion 22Kg (22%), Pt/SiO by quality per distribution ratio
2nano particle 3Kg (3%), vinyltriethoxysilane 0.2Kg (0.2%), hydroxyethylcellulose 1.5Kg (1.5%), sodium carboxymethylcellulose 5Kg (5%), dodecyl sulphur Sodium Benzoate 4Kg (4%), acrylic acid copolymer dispersion (PTF) thickener 2Kg (2%), distilled water 40.3Kg (40.3%);
First by PTFE emulsion, organosilicon-modified acrylate emulsion, Pt/SiO
2nano particle, vinyltriethoxysilane weigh and put into stirred vessel by quality per distribution ratio, are uniformly mixed; Secondly just hydroxyethylcellulose, sodium carboxymethylcellulose, neopelex are dissolved in distilled water altogether, and uniform stirring dissolves, and solution are slowly injected to PTFE emulsion, organosilicon-modified acrylate emulsion, the Pt/SiO of high-speed stirred
2in nano particle, vinyltriethoxysilane mixed emulsion, continue to stir; Finally add acrylic acid copolymer dispersion (PTF) thickener by quality per distribution ratio, foam by high-speed stirred, complete that to prepare foam latex for subsequent use;
(2) by dedusting material P84 acupuncture filter material, base cloth is glass fiber weaving cloth, by foam finishing machine, adopts the foam latex of above-mentioned preparation to carry out foam-coating processing to dedusting material dust-collecting face, dedusting material transporting velocity is 4m/min, and foam latex coating rate is 55%;
(3) the dedusting material after foam-coating is passed through to baking oven, bake out temperature is 140 ℃～190 ℃, and the transporting velocity of dedusting material in baking oven is 4m/min, and dedusting material on Volume cloth rewinder roll, completes bag type dedusting material is arranged after drying.Described baking oven is made up of five dryers, and every dryer has a thermometer displays temperature.
2. decompose nitrogen oxides measure of merit
Adopt high temperature resistant soda acid test macro (FY1601 that Wenzhou circumference Instrument Ltd. produces) to detect the effect through the soot filtering material nitrogen oxide catalytic decomposition of processing of the present invention.Chamber temperature is 210 ℃, calculates after testing, and decompose nitrogen oxides rate is 12.5%.
Embodiment tri-:
1, bag type dedusting material is arranged, concrete steps are:
(1) preparation foam latex: get polytetrafluoroethylene (PTFE) (PTFE) emulsion 24Kg (24%), organosilicon-modified acrylate emulsion 24Kg (24%), Rh/AL by quality per distribution ratio
2o
3nano particle 4Kg (4%), vinyltriethoxysilane 1Kg (1%), hydroxyethylcellulose 2Kg (2%), sodium carboxymethylcellulose 6Kg (6%), dodecyl sulphur Sodium Benzoate 6Kg (6%), acrylic acid copolymer dispersion (PTF) thickener 3Kg (3%), distilled water 30Kg (30%);
First by PTFE emulsion, organosilicon-modified acrylate emulsion, Rh/AL
2o
3nano particle, vinyltriethoxysilane weigh and put into stirred vessel by quality per distribution ratio, are uniformly mixed; Secondly just hydroxyethylcellulose, sodium carboxymethylcellulose, neopelex are dissolved in distilled water altogether, and uniform stirring dissolves, and solution are slowly injected to PTFE emulsion, organosilicon-modified acrylate emulsion, the Rh/AL of high-speed stirred
2o
3in nano particle, vinyltriethoxysilane mixed emulsion, continue to stir; Finally add acrylic acid copolymer dispersion (PTF) thickener by quality per distribution ratio, foam by high-speed stirred, complete that to prepare foam latex for subsequent use;
(2) by dedusting material glass fibre prickling filtering material, base cloth is glass fiber weaving cloth, adopt the foam latex of above-mentioned preparation to carry out foam-coating processing to dedusting material dust-collecting face by foam finishing machine, dedusting material transporting velocity is 3m/min, and foam latex coating rate is 60%;
(3) the dedusting material after foam-coating is passed through to baking oven, bake out temperature is 140 ℃～190 ℃, and the transporting velocity of dedusting material in baking oven is 3m/min, after dedusting material is dried, on Volume cloth rewinder roll, completes bag type dedusting material and arranges.Described baking oven is made up of five dryers, and every dryer has a thermometer displays temperature.
2. decompose nitrogen oxides measure of merit
Adopt commercially available high temperature resistant soda acid test macro to detect (FY1601 that Wenzhou circumference Instrument Ltd. produces) effect through the soot filtering material nitrogen oxide catalytic decomposition of above-mentioned arrangement.Chamber temperature is 250 ℃, calculates after testing, and decompose nitrogen oxides rate is 21.3%.
As can be seen from the above-described embodiment, the bag type dedusting material making through method for sorting of the present invention has possessed the ability of decomposing catalysis nitrogen oxides in effluent, has effectively reduced the discharge of nitrogen oxide, has alleviated the pollution to atmosphere, has positive effect.
Understandable, the invention is not restricted to above-described embodiment, those skilled in the art also can do other variation in spirit of the present invention.Therefore, the variation that these do according to spirit of the present invention, within all should being included in the present invention's scope required for protection.
Claims (8)
1. a method for sorting for bag type dedusting material, is characterized in that: comprise the steps:
(1) preparation foam latex: get ptfe emulsion 20～24%, organosilicon-modified acrylate 20～24%, nanoparticle catalyst 2～4%, vinyltriethoxysilane 0.2～1%, hydroxyethylcellulose 1～2%, sodium carboxymethylcellulose 4～6%, dodecyl sulphur Sodium Benzoate 2～6%, thickener 1～3% and water 30～50% mixing and stirring by quality per distribution ratio and make foam latex, described nanoparticle catalyst is Pt/AL
2o
3, Pt/SiO
2, Rh/AL
2o
3in any one.
(2) above-mentioned foam latex is carried out to coating processing by foam finishing machine to dedusting material dust-collecting face, described dedusting material transporting velocity is 3～5m/min, and emulsion coating rate is 50～60%;
(3) the dedusting material of processing through step (2) is dried, on Volume cloth rewinder roll, complete the arrangement of bag type dedusting material.
2. the method for sorting of bag type dedusting material as claimed in claim 1, is characterized in that: described thickener is acrylic acid copolymer dispersion.
3. the method for sorting of bag type dedusting material as claimed in claim 1, is characterized in that: described step (1) is added material formulation emulsion in the following order:
(1) ptfe emulsion, organosilicon-modified acrylate emulsion, nano particle are weighed and put into stirred vessel by quality per distribution ratio, be uniformly mixed;
(2) hydroxyethylcellulose, sodium carboxymethylcellulose, neopelex are dissolved in distilled water altogether, uniform stirring dissolves, the ptfe emulsion, organosilicon-modified acrylate emulsion, the nano particle mixed emulsion that solution are slowly injected to high-speed stirred, continue to stir;
(3) finally add thickener by quality per distribution ratio, foam by high-speed stirred, complete the preparation of foam latex.
4. the method for sorting of bag type dedusting material as claimed in claim 1, is characterized in that: in described step (3), bake out temperature is 140 ℃～190 ℃, and the transporting velocity of dedusting material in baking oven is 3～5m/min.Described oven dry completes through 5 groups of dryers.
5. the method for sorting of bag type dedusting material as described in claim 1-4 any one, is characterized in that, described dedusting material is PPS acupuncture filter material, and base cloth is PPS woven fabric.
6. the method for sorting of dedusting material as described in claim 1-4 any one, is characterized in that, described dedusting material is P84 acupuncture filter material, and base cloth is glass fiber weaving cloth.
7. the method for sorting of dedusting material as described in claim 1-4 any one, is characterized in that, described dedusting material is glass fibre acupuncture filter material, and base cloth is glass fiber weaving cloth.
8. the dedusting material being made by the method for sorting of claim 1-7 any one bag type dedusting material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410066924.1A CN103820999A (en) | 2014-02-27 | 2014-02-27 | Finishing method for bag type dedusting material and prepared dedusting material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410066924.1A CN103820999A (en) | 2014-02-27 | 2014-02-27 | Finishing method for bag type dedusting material and prepared dedusting material |
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| CN103820999A true CN103820999A (en) | 2014-05-28 |
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|---|---|---|---|
| CN201410066924.1A Pending CN103820999A (en) | 2014-02-27 | 2014-02-27 | Finishing method for bag type dedusting material and prepared dedusting material |
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Cited By (8)
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|---|---|---|---|---|
| CN105920918A (en) * | 2016-05-17 | 2016-09-07 | 安徽省含山县天顺环保设备有限公司 | Dust bag material and preparation method thereof |
| CN105944453A (en) * | 2016-05-17 | 2016-09-21 | 安徽省含山县天顺环保设备有限公司 | Dust removal bag material capable of adsorbing and decomposing nitrogen oxides and preparation method of dust removal bag material |
| CN106761340A (en) * | 2016-12-28 | 2017-05-31 | 中健生（北京）国际医学科技有限公司 | For bionical breathing except the mucus of haze and its bionical breathing of making remove haze screen window |
| CN106811982A (en) * | 2016-12-27 | 2017-06-09 | 科林环保技术有限责任公司 | A kind of manufacture craft of middle low temperature filtrate |
| CN106811974A (en) * | 2016-12-27 | 2017-06-09 | 科林环保技术有限责任公司 | A kind of technique for improving netted glass fiber filter material skeleton |
| CN108201900A (en) * | 2018-01-31 | 2018-06-26 | 福州大学 | A kind of preparation method of the compound PPS filtrates of manganese cerium denitrating catalyst |
| CN109464848A (en) * | 2018-12-20 | 2019-03-15 | 合肥合意环保科技工程有限公司 | A kind of efficient low-resistance air filting material and preparation method thereof |
| CN110804858A (en) * | 2019-10-10 | 2020-02-18 | 如意屋家居有限公司 | Method for preparing antifouling curtain through inorganic foaming finishing |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105920918A (en) * | 2016-05-17 | 2016-09-07 | 安徽省含山县天顺环保设备有限公司 | Dust bag material and preparation method thereof |
| CN105944453A (en) * | 2016-05-17 | 2016-09-21 | 安徽省含山县天顺环保设备有限公司 | Dust removal bag material capable of adsorbing and decomposing nitrogen oxides and preparation method of dust removal bag material |
| CN106811982A (en) * | 2016-12-27 | 2017-06-09 | 科林环保技术有限责任公司 | A kind of manufacture craft of middle low temperature filtrate |
| CN106811974A (en) * | 2016-12-27 | 2017-06-09 | 科林环保技术有限责任公司 | A kind of technique for improving netted glass fiber filter material skeleton |
| CN106811982B (en) * | 2016-12-27 | 2020-05-22 | 科林环保技术有限责任公司 | Manufacturing process of medium-low temperature filter material |
| CN106761340A (en) * | 2016-12-28 | 2017-05-31 | 中健生（北京）国际医学科技有限公司 | For bionical breathing except the mucus of haze and its bionical breathing of making remove haze screen window |
| CN108201900A (en) * | 2018-01-31 | 2018-06-26 | 福州大学 | A kind of preparation method of the compound PPS filtrates of manganese cerium denitrating catalyst |
| CN109464848A (en) * | 2018-12-20 | 2019-03-15 | 合肥合意环保科技工程有限公司 | A kind of efficient low-resistance air filting material and preparation method thereof |
| CN110804858A (en) * | 2019-10-10 | 2020-02-18 | 如意屋家居有限公司 | Method for preparing antifouling curtain through inorganic foaming finishing |
| CN110804858B (en) * | 2019-10-10 | 2021-12-14 | 如意屋家居有限公司 | Method for preparing antifouling curtain through inorganic foaming finishing |
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Application publication date: 20140528 |