CN105944452A - Modified glass fiber dust-removing material - Google Patents

Modified glass fiber dust-removing material Download PDF

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Publication number
CN105944452A
CN105944452A CN201610438511.0A CN201610438511A CN105944452A CN 105944452 A CN105944452 A CN 105944452A CN 201610438511 A CN201610438511 A CN 201610438511A CN 105944452 A CN105944452 A CN 105944452A
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China
Prior art keywords
compound
modified glass
stirring
cationic starch
deionized water
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CN201610438511.0A
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Chinese (zh)
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CN105944452B (en
Inventor
方斌
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杭州富阳飞博科技有限公司
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Publication of CN105944452A publication Critical patent/CN105944452A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/02Loose filtering material, e.g. loose fibres
    • B01D39/06Inorganic material, e.g. asbestos fibres, glass beads or fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D49/00Separating dispersed particles from gases, air or vapours by other methods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/02Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
    • B01J20/10Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
    • B01J20/12Naturally occurring clays or bleaching earth
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/02Types of fibres, filaments or particles, self-supporting or supported materials
    • B01D2239/0208Single-component fibres
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04Additives and treatments of the filtering material
    • B01D2239/0414Surface modifiers, e.g. comprising ion exchange groups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/30Sulfur compounds
    • B01D2257/302Sulfur oxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/40Nitrogen compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2257/00Components to be removed
    • B01D2257/40Nitrogen compounds
    • B01D2257/406Ammonia

Abstract

The invention belongs to the technical field of environmental protection, and discloses a modified glass fiber dust-removing material. The material is prepared through the following processes of crushing and grinding, cationic starch modifying, stirring and heating, even mixing and stirring, spraying and drying. According to the modified glass fiber dust-removing material, by modifying glass fibers, the adsorbing and dust-removing effects are improved, and the service life is long.

Description

A kind of modified glass-fiber dedusting material

Technical field

The invention belongs to environmental technology field, be specifically related to a kind of modified glass-fiber dedusting material.

Background technology

PM2.5 refers to the diameter particulate matter less than or equal to 2.5 microns in air, also referred to as can enter lung particulate matter.Because particle diameter is little, rich in substantial amounts of poisonous and harmful substances, thus the impact on health and atmosphere quality is bigger.PM2.5 represents the content of this granule in every cubic metres of air, and this value is the highest, just represents air pollution the most serious.Additionally, the application of industrial part, sheet material coating etc. manufacture process in, also can produce containing meta-acid or meta-alkali, molecule, the harmful exhaust of bad smell, these waste gas are the most unprocessed to be also emitted in air.

Glass fibre is indeformable due to hydrophobic high-strength, corrosion-resistant, high temperature resistant, smooth, dimensionally stable, improves again its wearability after dip coating processes, and is therefore a kind of preferably filtering material.It is compared with linen-cotton, more resistant to high temperature and corrosion-resistant;Compared with chemical fibre, intensity is higher and size is more stable.The most high temperature resistant, missing of ignition, do not burn, natural fiber, chemical fibre are incomparable especially, and therefore, glass fiber filter material is the conventional material of filter bag in sack cleaner.But glass fibre there is also the trapping weak effect to fine dust, toughness not, the defects such as service life is short.In view of drawbacks described above, applicant combines Shandong grain and oil company and develops new modified glass fibre dedusting material.

Summary of the invention

In order to overcome the defect of prior art glass fibre adsorbing material, the invention provides a kind of modified glass-fiber dedusting material, this material absorption dust removal performance is good, and filter efficiency is high, and service life is long.

The object of the present invention is achieved like this:

A kind of modified glass-fiber dedusting material, it is prepared according to following technique: step 1) is broken and grinds, step 2) cationic starch is modified, step 3) stirring and heating, and step 4) mixes, and step 5) stirring, sprays and is dried;

Specifically, it is prepared according to following technique:

Step 1) is broken and grinds: zeolite and meerschaum is added in disintegrating machine successively and crushes, then mix with bentonite, then be ground, obtains the powder that particle diameter is 200 mesh, be compound 1;Described zeolite, meerschaum and bentonitic mass ratio are 2:2:1;

Step 2) cationic starch modification: in cationic starch, add deionized water, be uniformly mixing to obtain suspension, be subsequently adding step 1) gained compound 1,500 turns/min stirs 10min, then stands 6 hours, and precipitation is collected by filtration, precipitation is placed in 50 DEG C of drying, finally pulverizes and obtain compound 2;Wherein, the mass ratio of cationic starch, deionized water and compound 1 is 1-2:15-25:3-5;

Step 3) stirring and heating: nano diatomite, methacryloxypropyl trimethoxy silane and its deionized water are added sequentially in agitator tank, heat while stirring, to be heated to 90 DEG C time, maintains 90 DEG C continue stir 30min;Then it is cooled to 60 DEG C, adds bamboo charcoal powder, stir 30min, obtain compound 3;Wherein, the mass ratio of nano diatomite, methacryloxypropyl trimethoxy silane, deionized water and bamboo charcoal powder is 2:1:10:3;

Step 4) mixes: than mix homogeneously, titanate coupling agent titanate coupling agent and acrylic acid are obtained compound 4 according to the quality of 2:1;

Step 5) stirs, sprays and be dried: compound 2 and compound 3 is added in compound 4, is uniformly mixing to obtain mixed liquor, then by mixed liquor even application to glass fibre, stand 30min, then at 90 DEG C of dry 10min, finally naturally cool to room temperature, to obtain final product;Wherein, described compound 2, compound 3 and compound 4 mass ratio are 3-5:4-7:5-9.

Preferably,

The particle diameter of described bamboo charcoal powder is 100-200um.The particle diameter of described nanometer silicon carbide and nano diatomite is 50-100nm.

Described titanate coupling agent is isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate coupling agent.

The beneficial effect that the present invention obtains specifically includes that

The present invention is by being modified glass fibre so that rough surface is hard, specific surface area is big, improves pliability and mechanical strength, and adsorbing powder dust strainability is good, moreover it is possible to the absorption harmful gas such as ammonia nitrogen and oxysulfide;Acrylic acid is diluent and binding agent, and metatitanic acid fat is auxiliary flame retardant, simultaneously works as the effect of coupling agent, dispersant, not only can improve fire resistance, and can increase the binding strength of each raw material;Bamboo charcoal powder contains substantial amounts of micropore, has strong adsorption function, and it has been carried out modification, makes it be greatly increased with the contact area of other materials, and heavy metal, harmful gas etc. also have good adsorption;The present invention carries out surface modification modification by adding cationic starch to zeolite, meerschaum and bentonite so that powder body, with electric charge, improves absorbability, additionally it is possible to make product have certain electrostatic adsorption.

Detailed description of the invention

For the technical scheme making those skilled in the art be more fully understood that in the application, below in conjunction with the application specific embodiment, the present invention is more clearly and completely described, it is clear that, described embodiment is only some embodiments of the present application rather than whole embodiments.Based on the embodiment in the application, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, all should belong to the scope of protection of the invention.

Embodiment 1

A kind of modified glass-fiber dedusting material, it is prepared according to following technique: step 1) is broken and grinds, step 2) cationic starch is modified, step 3) stirring and heating, and step 4) mixes, and step 5) stirring, sprays and is dried;

Specifically, it is prepared according to following technique:

Step 1) is broken and grinds: zeolite and meerschaum is added in disintegrating machine successively and crushes, then mix with bentonite, then be ground, obtains the powder that particle diameter is 200 mesh, be compound 1;Described zeolite, meerschaum and bentonitic mass ratio are 2:2:1;

Step 2) cationic starch modification: in cationic starch, add deionized water, be uniformly mixing to obtain suspension, be subsequently adding step 1) gained compound 1,500 turns/min stirs 10min, then stands 6 hours, and precipitation is collected by filtration, precipitation is placed in 50 DEG C of drying, finally pulverizes and obtain compound 2;Wherein, the mass ratio of cationic starch, deionized water and compound 1 is 1:15:3;

Step 3) stirring and heating: nano diatomite, methacryloxypropyl trimethoxy silane and its deionized water are added sequentially in agitator tank, heat while stirring, to be heated to 90 DEG C time, maintains 90 DEG C continue stir 30min;Then it is cooled to 60 DEG C, adds bamboo charcoal powder, stir 30min, obtain compound 3;Wherein, the mass ratio of nano diatomite, methacryloxypropyl trimethoxy silane, deionized water and bamboo charcoal powder is 2:1:10:3;

Step 4) mixes: than mix homogeneously, titanate coupling agent and acrylic acid are obtained compound 4 according to the quality of 2:1;

Step 5) stirs, sprays and be dried: compound 2 and compound 3 is added in compound 4, is uniformly mixing to obtain mixed liquor, then by mixed liquor even application to glass fibre, stand 30min, then at 90 DEG C of dry 10min, finally naturally cool to room temperature, to obtain final product;Wherein, described compound 2, compound 3 and compound 4 mass ratio are 3:4:5.

Wherein, the particle diameter of described bamboo charcoal powder is 100um.The particle diameter of described nanometer silicon carbide and nano diatomite is 50nm.Described titanate coupling agent is isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate coupling agent.

Embodiment 2

A kind of modified glass-fiber dedusting material, it is prepared according to following technique: step 1) is broken and grinds, step 2) cationic starch is modified, step 3) stirring and heating, and step 4) mixes, and step 5) stirring, sprays and is dried;

Specifically, it is prepared according to following technique:

Step 1) is broken and grinds: zeolite and meerschaum is added in disintegrating machine successively and crushes, then mix with bentonite, then be ground, obtains the powder that particle diameter is 200 mesh, be compound 1;Described zeolite, meerschaum and bentonitic mass ratio are 2:2:1;

Step 2) cationic starch modification: in cationic starch, add deionized water, be uniformly mixing to obtain suspension, be subsequently adding step 1) gained compound 1,500 turns/min stirs 10min, then stands 6 hours, and precipitation is collected by filtration, precipitation is placed in 50 DEG C of drying, finally pulverizes and obtain compound 2;Wherein, the mass ratio of cationic starch, deionized water and compound 1 is 2:25:5;

Step 3) stirring and heating: nano diatomite, methacryloxypropyl trimethoxy silane and its deionized water are added sequentially in agitator tank, heat while stirring, to be heated to 90 DEG C time, maintains 90 DEG C continue stir 30min;Then it is cooled to 60 DEG C, adds bamboo charcoal powder, stir 30min, obtain compound 3;Wherein, the mass ratio of nano diatomite, methacryloxypropyl trimethoxy silane, deionized water and bamboo charcoal powder is 2:1:10:3;

Step 4) mixes: than mix homogeneously, titanate coupling agent and acrylic acid are obtained compound 4 according to the quality of 2:1;

Step 5) stirs, sprays and be dried: compound 2 and compound 3 is added in compound 4, is uniformly mixing to obtain mixed liquor, then by mixed liquor even application to glass fibre, stand 30min, then at 90 DEG C of dry 10min, finally naturally cool to room temperature, to obtain final product;Wherein, described compound 2, compound 3 and compound 4 mass ratio are 5:7:9.

Wherein, the particle diameter of described bamboo charcoal powder is 200um.The particle diameter of described nanometer silicon carbide and nano diatomite is 100nm.Described titanate coupling agent is isopropyl three (dioctylphyrophosphoric acid acyloxy) titanate coupling agent.

Embodiment 3

As a example by embodiment 1-2, modified glass-fiber is conventionally prepared as filter bag of dust collector (embodiment of the present invention 1 group and embodiment 2 groups), unmodified glass fibre is prepared as filter bag of dust collector (matched group) simultaneously;Setting the Parameter Conditions such as dust concentration and air velocity identical, each group dust removing effects is shown in Table 1:

Table 1

Group Weightening finish % Efficiency of dust collection %(particle diameter is less than or equal to 2.5 μm) Except NOx efficiency % Service life (moon) Matched group -- 83.5 13.2 13.2 The embodiment of the present invention 1 group 7.1 99.3 64.9 19.1 The embodiment of the present invention 1 group 6.9 98.9 68.3 19.4

Although, the most illustrating by generality and detailed explanation has been made in this case by detailed description of the invention, but 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.Therefore, the amendment made without departing from theon the basis of the spirit of the present invention or improvement, belong to the scope of protection of present invention.

Claims (6)

1. a modified glass-fiber dedusting material, it is prepared according to following technique: step 1) is broken and grinds, step 2) cationic starch is modified, step 3) stirring and heating, and step 4) mixes, and step 5) stirring, sprays and is dried.
Modified glass-fiber dedusting material the most according to claim 1, it is characterized in that, described step 1) is broken and grinds, comprise the steps: to add in disintegrating machine zeolite and meerschaum successively to crush, then mix with bentonite, it is ground again, obtains the powder that particle diameter is 200 mesh, be compound 1;Described zeolite, meerschaum and bentonitic mass ratio are 2:2:1.
Modified glass-fiber dedusting material the most according to claim 1, it is characterized in that, described step 2) cationic starch modification, comprise the steps: to add deionized water in cationic starch, be uniformly mixing to obtain suspension, it is subsequently adding step 1) gained compound 1,500 turns/min stirs 10min, then stands 6 hours, and precipitation is collected by filtration, precipitation is placed in 50 DEG C of drying, finally pulverizes and obtain compound 2;Wherein, the mass ratio of cationic starch, deionized water and compound 1 is 1-2:15-25:3-5.
Modified glass-fiber dedusting material the most according to claim 1, it is characterized in that, the stirring of described step 3) and heating, comprise the steps: to be added sequentially in agitator tank nano diatomite, methacryloxypropyl trimethoxy silane and its deionized water, heat while stirring, to be heated to 80 DEG C time, maintain 90 DEG C continue stirring 30min;Then it is cooled to 60 DEG C, adds bamboo charcoal powder, stir 30min, obtain compound 3;Wherein, the mass ratio of nano diatomite, methacryloxypropyl trimethoxy silane, deionized water and bamboo charcoal powder is 2:1:10:3.
Modified glass-fiber dedusting material the most according to claim 1, it is characterised in that described step 4) mixes, and comprises the steps: than mix homogeneously, titanate coupling agent and acrylic acid are obtained compound 4 according to the quality of 2:1.
Modified glass-fiber dedusting material the most according to claim 1, it is characterized in that, described step 5) stirs, sprays and be dried, comprise the steps: to add in compound 4 compound 2 and compound 3 to, be uniformly mixing to obtain mixed liquor, then by mixed liquor even application to glass fibre, stand 30min, then at 90 DEG C of dry 10min, finally naturally cool to room temperature, to obtain final product;Wherein, described compound 2, compound 3 and compound 4 mass ratio are 3-5:4-7:5-9.
CN201610438511.0A 2016-06-20 2016-06-20 A kind of modified glass-fiber dedusting material CN105944452B (en)

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CN201810058527.8A CN108339323B (en) 2016-06-20 2016-06-20 Preparation method of dust removal material

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106512551A (en) * 2016-12-12 2017-03-22 浙江工业大学 Amino-functionalized regenerated glass filter material for water treatment and preparation and application thereof

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CN201665551U (en) * 2010-04-09 2010-12-08 上海巴安水务股份有限公司 Flat pre-coating filter bag
CN102512877A (en) * 2011-11-15 2012-06-27 营口海硕环保滤材有限公司 Manufacturing method for high-accuracy coating filter material
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CN105920941A (en) * 2016-06-19 2016-09-07 山东玉皇粮油食品有限公司 Novel environment-friendly dust collector

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US7044993B1 (en) * 2001-10-22 2006-05-16 Bolduc Leroux Inc. Microbicidal air filter
CN201665551U (en) * 2010-04-09 2010-12-08 上海巴安水务股份有限公司 Flat pre-coating filter bag
CN102512877A (en) * 2011-11-15 2012-06-27 营口海硕环保滤材有限公司 Manufacturing method for high-accuracy coating filter material
CN104841393A (en) * 2015-04-21 2015-08-19 蚌埠德美过滤技术有限公司 Adsorption filtering agent capable of efficiently adsorbing hydrogen sulfide and preparation method thereof
CN204849446U (en) * 2015-07-08 2015-12-09 常州市武进常友无纺布制品厂 Dust catcher is non -woven fabrics for filter bag
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106512551A (en) * 2016-12-12 2017-03-22 浙江工业大学 Amino-functionalized regenerated glass filter material for water treatment and preparation and application thereof
CN106512551B (en) * 2016-12-12 2018-09-21 浙江工业大学 For the amino functional repeat glass filtrate of water process and its preparation and application

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CN108339323A (en) 2018-07-31
CN108339323B (en) 2020-08-21

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