CN110314447A - A kind of preparation method of automatically cleaning dust removal and filtration material and filtering material obtained - Google Patents
A kind of preparation method of automatically cleaning dust removal and filtration material and filtering material obtained Download PDFInfo
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- CN110314447A CN110314447A CN201910726450.1A CN201910726450A CN110314447A CN 110314447 A CN110314447 A CN 110314447A CN 201910726450 A CN201910726450 A CN 201910726450A CN 110314447 A CN110314447 A CN 110314447A
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- Prior art keywords
- dust removal
- preparation
- automatically cleaning
- cleaning dust
- filtration material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The present invention discloses a kind of preparation method of automatically cleaning dust removal and filtration material, is related to chemical technology field, the present invention the following steps are included: (1) coating preparation: the coating is mainly by anatase type nano TiO2Colloidal sol, ethyl orthosilicate, 17 fluorine ruthenium trimethoxysilanes, deionized water, hydrochloric acid and dehydrated alcohol are mixed；(2) glass fibre non-woven infiltration is obtained into automatically cleaning dust removal and filtration material in coating after drying.The present invention also provides the automatically cleaning dust removal and filtration materials as made from above-mentioned preparation method.The beneficial effects of the present invention are: automatically cleaning dust removal and filtration material prepared by the present invention has certain hydrophobicity, while the preferable preparation method of self-cleaning effect is at low cost, easy to industrialized production.
Description
Technical field
The present invention relates to chemical technology fields, and in particular to a kind of preparation method of automatically cleaning dust removal and filtration material and is made
Filtering material.
Background technique
Dust-removal cloth-bag can be rated as the heart of deduster, and the selection of filter bag is most important, it directly affects the dedusting effect of deduster
Fruit.The cloth bag that dust removal and filtration industry uses at present has paste bag phenomenon, i.e. the surface of filter material is blocked by the mixture of water and dust
The performance of filtering is lost after stomata, especially in the biggish occasion of amount containing damp-warm syndrome.Once pressure difference increases or paste bag blocks, then
It needs disassembly, cleaning or scraps replacement processing, cost and cost are relatively high, and equipment downtime will also result in additional economic
Loss.
Patent CN201020624090.9 discloses a kind of superfine dust filter material, which uses superfine fibre
Do surface layer, general fibre does the needle thorn composite layer of bottom, and filtering accuracy is high, can dust within 0.5 micron of effectively catching, and pacify
Dress need not also prevent its extension that collides with from drawing when using, worry leads to its laminating film separation of institute, so that its expected filtering be not achieved
Effect, but the filtering material easily leads to filtering material obstruction after filtration, needs often to clean and scrap replacement, causes to filter
Higher cost.
Summary of the invention
Present invention solves the technical problem that being the surface of existing dust removal and filtration material easily by the mixture of water and dust
Blocking.
The present invention adopts the following technical solutions solves above-mentioned technical problem:
The present invention provides a kind of preparation method of automatically cleaning dust removal and filtration material, comprising the following steps:
(1) preparation of coating: the coating is mainly by anatase type nano TiO2Colloidal sol, ethyl orthosilicate, the 17 fluorine last of the ten Heavenly stems
Base trimethoxy silane, deionized water, hydrochloric acid and dehydrated alcohol are mixed；
(2) coating, water and bleeding agent that prepare in step (1) are mixed, mixed liquor is configured to, by glass fibre non-woven
Infiltration obtains automatically cleaning dust removal and filtration material in mixed liquor after drying.
Preferably, the anatase type nano TiO2Colloidal sol is by TiCl4It is made after hydrolysis.
Preferably, anatase type nano TiO in the coating2Colloidal sol accounts for 0.1-20wt%, and ethyl orthosilicate accounts for 0.1-
20wt%, 17 fluorine ruthenium trimethoxysilanes account for 0.1-5wt%, and surplus is deionized water, hydrochloric acid and dehydrated alcohol.
Preferably, the mass ratio of the deionized water, hydrochloric acid and dehydrated alcohol is 10:0.5:2.
Preferably, coating in the step (2), water, bleeding agent mass ratio be 80:15:5, the glass fiber non-woven
The infiltrating time of cloth is 30-80min.
Preferably, the bleeding agent is fatty alcohol polyoxyethylene ether, polyoxyethylated in the fatty alcohol polyoxyethylene ether
The degree of polymerization is 5.
Preferably, it is dried, is dried using framing shaping machine after glass fibre non-woven infiltration in the step (2)
Temperature is 150-240 DEG C.
Preferably, the drying temperature is 240 DEG C.
Preferably, the glass fibre non-woven is mainly made of glass layer and base cloth layer, the base cloth layer it is upper,
Lower layer is equipped with glass layer.
Preferably, the base cloth layer is made of polytetrafluoroethylene (PTFE) or polyphenylene sulfide.
Preferably, the anatase type nano TiO2Colloidal sol preparation method the following steps are included:
(1) 100mL water is taken, is cooled down with ice；
(2) 0.44mL TiCl is measured4, it is added in the cooling water in step (1), it is stirring while adding；
(3) solution obtained in step (2) is transferred in permeable membrane bag, is rinsed with circulating water to solution and becomes gel.
The present invention also provides one kind automatically cleaning dust removal and filtration material as made from above-mentioned preparation method.
The beneficial effects of the present invention are:
(1) preparation method of the invention is at low cost, easy to industrialized production；
(2) automatically cleaning dust removal and filtration material prepared by the present invention has certain hydrophobicity, while self-cleaning effect is preferable；
(3) automatically cleaning dust removal and filtration material prepared by the present invention can be widely applied to industry, civilian filtering, dedusting industry.
Detailed description of the invention
Fig. 1 is the hydrophobic performance figure of untreated filtering material in the embodiment of the present invention 5；
Fig. 2 is the hydrophobic performance figure of automatically cleaning dust removal and filtration material in the embodiment of the present invention 5；
Fig. 3 is unprocessed in the embodiment of the present invention 6 and treated filtering material self-cleaning performance test experiments figure；Figure
Middle A is untreated filtering material；B is through coating treated filtering material.
Specific embodiment
The present invention is described in further details below with reference to Figure of description and embodiment.
Test material and reagent as used in the following examples etc., unless otherwise specified, commercially obtain.
In the examples where no specific technique or condition is specified, can according to the literature in the art described technology or
Condition is carried out according to product description.
Embodiment 1
Anatase type nano TiO2The preparation method of colloidal sol, comprising the following steps:
(1) 100mL water is taken, is cooled down with ice；
(2) 0.44mL TiCl is measured4, it is added in the cooling water in step (1), it is stirring while adding；
(3) solution obtained in step (2) is transferred in permeable membrane bag, is rinsed with circulating water to solution and become gel, i.e.,
For anatase type nano TiO2Colloidal sol.
Embodiment 2
The preparation method of glass fibre non-woven, comprising the following steps:
Glass fibre is by needle punched non-woven fabrics production line, respectively by shredding, mixing, combing, lapping, needle thorn, winding ring
Section, obtains glass fibre non-woven, and wherein lapping link needs add base cloth layer in upper and lower level glass layer, wherein base fabric
The material of layer is polytetrafluoroethylene (PTFE).
The preparation of needle thorn glass fibre non-woven: the preparation method is the prior art, and following methods can be used and be prepared,
The glass fibre non-woven prepared in the prior art is equally applicable.
(1) prepare before networking
1. selecting fiber
According to the requirement of properties of product, 2D short glass fiber * 51mm, 2.5D short glass fiber * 51mm are selected, shredding of weighing
Mixing；
2. bale opener opener
Thick shredding process
Chartered plane is reopened by three table scales, required 2D*51mm, 2.5D*51mm, is pressed (1-8): the mass ratio of (0.1-5)
It puts on the flat curtain of conveying, is sent to thick opener, so that the glass fibre of blocky curling compacting is obtained preliminary shredding, the machine is by 10
The short fibre of preliminary shredding is made in block steel nail-plate composition, revolving speed 1250r/min；
Mixed cotton process
By the short fibre of preliminary shredding, the effect with cyclone separator is sent by wind, it is made to be evenly distributed on the big storehouse of mixed cotton
It is deposited, guarantees that cotton layer height is consistent, by the collective effect of flat curtain and the oblique curtain of brad, it is made to be transported to smart booting；This is mixed
The size in the big storehouse of cotton are as follows: 4100 × 2300 × 4200mm；
Smart shredding process
Raw material feeds refined opener, abundant shredding and pre-comb is carried out in refined opener after mixed cotton is sufficiently mixed,
Make the further shredding of glass fibre, be straightened, next procedure is fed by blower；The machine is made of 10 pieces of steel nail-plates, and revolving speed is
1440r/min；
Air pressure cotton box is to cotton
Glass fibre by essence booting enters by air delivery pipe the upper hopper of air pressure cotton box, by feed roll motor with
The effect of doffer falls on glass fibre in lower hopper with " flakes ", then glass fibre constant volume in a manner of counterpressure
It provides, guarantees fibrous layers consistent in density；
3. combing
Carding machine receives the glass fibre that air pressure cotton box is fed, and after entering cotton-supplying roller, passes through the work of double cylinder and double doffer
With being combed into uniform 5-20 grams/m of double glazing fibrous web-like thin layer；
Lapping
1. cross lapping
5-20 grams/m of glass fiber mesh makes web not by the work of external force by the gripping conveying of clamping carbon curtain
Under, by reciprocating, single side lapping is made to reach 7-18 layers, up and down two sides altogether.Base cloth layer is added among upper and lower surface,
The material of middle base cloth layer is polytetrafluoroethylene (PTFE).Total cotton net uses with a thickness of 10-40cm for next procedure；
2. feeding machine
It is fed before needing machine, makes glass fiber mesh uniform clamping feeding needle area before needle thorn；
Needing machine is reinforced
1. pre-needling is reinforced
Web will tentatively be tangled sizing by the glass fiber mesh that combing, lapping are formed by pre-needling process, guarantor
The direction for demonstrate,proving fibrinogen net is constant, which is single needle plate upper needing machine, and Needle Board density is 4500 pieces/meter；
2. main pinprick reinforcement
The glass fiber mesh tentatively to tangle by pre-needling machine is tangled by the further needle thorn of main needing machine.The machine is double
Needle plate dystopy Double felting needle felting machine, Needle Board density are 13000 pieces/meter；
3. pinprick reinforcement of having a shave
By the needle punched non-woven fabrics to tangle by main pinprick reinforcement by needing machine tow sides needle thorn of having a shave, reach molding needle
Prick nonwoven cloth surfacing, impulse- free robustness, bone trace phenomenon, Needle Board density are 14000 pieces/meter；
4. storing up cloth
Storage cloth is carried out with storage cloth tension bracket；
5. coiled
It is wound in rolls with automatic cut-to-length trimming up- coiler.
Embodiment 3
The preparation method of automatically cleaning dust removal and filtration material, comprising the following steps:
(1) it weighs: weighing the 100g anatase type TiO 2 sol prepared in embodiment 1,25g ethyl orthosilicate, 25g
17 fluorine ruthenium trimethoxysilanes, 280g deionized water, 14g hydrochloric acid, 56g dehydrated alcohol；
(2) it is equal that anatase type TiO 2 sol and ethyl orthosilicate dehydrated alcohol the preparation of coating: are diluted into stirring
It is even, after deionized water is added, continues to stir evenly in colloidal, coating is made；
(3) by the glass fibre non-woven prepared in embodiment 2 infiltration in mixed liquor prepared by step (2), when infiltration
Between be 30min, wherein dipping before by coating: water: the mass ratio of fatty alcohol polyoxyethylene ether be 80:15:5 be configured to mixed liquor,
Wherein the degree of polymerization of polyoxyethylene ether is 5 in fatty alcohol polyoxyethylene ether, after the completion of infiltration, by the glass fiber non-woven after infiltration
It is arranged in framing shaping machine, is dried, drying temperature is 150 DEG C, and drying time 20min obtains automatically cleaning dedusting
Filtering material.
Embodiment 3
The preparation method of automatically cleaning dust removal and filtration material, comprising the following steps:
(1) it weighs: weighing the 100g anatase type TiO 2 sol prepared in embodiment 1,25g ethyl orthosilicate, 5g
17 fluorine ruthenium trimethoxysilanes, 296g deionized water, 14.8g hydrochloric acid, 59.2g dehydrated alcohol；
(2) it is equal that anatase type TiO 2 sol and ethyl orthosilicate dehydrated alcohol the preparation of coating: are diluted into stirring
It is even, after deionized water is added, continues to stir evenly in colloidal, coating is made；
(3) by the glass fibre non-woven prepared in embodiment 2 infiltration in mixed liquor prepared by step (2), when infiltration
Between be 50min, wherein dipping before by coating: water: the mass ratio of bleeding agent be 80:15:5 be configured to mixed liquor.After the completion of infiltration,
Glass fibre non-woven after infiltration is placed in framing shaping machine, is dried, drying temperature is 200 DEG C, and drying time is
15min obtains automatically cleaning dust removal and filtration material.
Embodiment 4
The preparation method of automatically cleaning dust removal and filtration material, comprising the following steps:
(1) it weighs: weighing the 100g anatase type TiO 2 sol prepared in embodiment 1,25g ethyl orthosilicate, 15g
17 fluorine ruthenium trimethoxysilanes, 288g deionized water, 14.4g hydrochloric acid, 57.6g dehydrated alcohol；
(2) it is equal that anatase type TiO 2 sol and ethyl orthosilicate dehydrated alcohol the preparation of coating: are diluted into stirring
It is even, after deionized water is added, continues to stir evenly in colloidal, coating is made；
(3) by the glass fibre non-woven prepared in embodiment 2 infiltration in mixed liquor prepared by step (2), when infiltration
Between be 80min, wherein dipping before by coating: water: the mass ratio of fatty alcohol polyoxyethylene ether be 80:15:5 be configured to mixed liquor,
Wherein the degree of polymerization of polyoxyethylene ether is 5 in fatty alcohol polyoxyethylene ether.After the completion of infiltration, by the glass fiber non-woven after infiltration
It is arranged in framing shaping machine, is dried, drying temperature is 240 DEG C, and drying time 10min obtains automatically cleaning dedusting
Filtering material.
Embodiment 5
Hydrophobicity experiment
(1) prepare different ratio mixed liquor, coating, water, bleeding agent mass ratio be 80:15:5,80:10:10,80:
5:15,85:10:5,90:5:5 arrange filtrate using baking method is rolled, and after 100 DEG C of preliminary drying 5min, 160 DEG C are baked
2min；
(2) the anti-of M232 fountain water repellency tester test filtrate is used according to standard GB/T/T6719-2009
Aqueous energy, and the hydrophobicity scale of filtrate is evaluated, the results are shown in Table 1, it can be seen that mass ratio is that 80:15:5 is optimal proportion；
Table 1 is coating, water, filtrate its performance table that discharges water prepared under bleeding agent different conditions of mixture ratios
The hydrophobic performance figure of the untreated filtering material of Fig. 1, Fig. 2 are the automatically cleaning dust removal and filtration material prepared in embodiment 3
The hydrophobic performance figure of material, it can be seen that the automatically cleaning dust removal and filtration material hydrophobic performance prepared in embodiment 3 is preferable.
Embodiment 6
Self-cleaning performance test
The filtering material that one piece of half has done automatically cleaning figure layer process is placed on outdoor windowsill, a length of 8 when placement
A month；As shown in figure 3, A is untreated filtering material, B is the filtering material through preparing in the present embodiment 3, after being rushed with water,
The part cleaning handled through coating is bright, and non-treated part dirt is still on its surface.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
It is within the scope of the invention with present inventive concept without the various process programs of substantial differences.
Claims (10)
1. a kind of preparation method of automatically cleaning dust removal and filtration material, it is characterised in that: the following steps are included:
(1) preparation of coating: the coating is mainly by anatase type nano TiO2Colloidal sol, ethyl orthosilicate, 17 fluorine decyl front threes
Oxysilane, deionized water, hydrochloric acid and dehydrated alcohol are mixed；
(2) coating, water and bleeding agent that prepare in step (1) are mixed, is configured to mixed liquor, glass fibre non-woven is infiltrated
In mixed liquor, automatically cleaning dust removal and filtration material is obtained after drying.
2. the preparation method of automatically cleaning dust removal and filtration material according to claim 1, it is characterised in that: the Detitanium-ore-type
Nano-TiO2Colloidal sol is by TiCl4It is made after hydrolysis.
3. the preparation method of automatically cleaning dust removal and filtration material according to claim 1, it is characterised in that: sharp in the coating
Titanium ore type nano-TiO2Colloidal sol accounts for 0.1-20wt%, and ethyl orthosilicate accounts for 0.1-20wt%, 17 fluorine ruthenium trimethoxysilanes
0.1-5wt% is accounted for, surplus is deionized water, hydrochloric acid and dehydrated alcohol.
4. the preparation method of automatically cleaning dust removal and filtration material according to claim 3, it is characterised in that: the step (1)
The mass ratio of middle deionized water, hydrochloric acid and dehydrated alcohol is 10:0.5:2.
5. the preparation method of automatically cleaning dust removal and filtration material according to claim 1, it is characterised in that: the step (2)
Middle coating, water, bleeding agent mass ratio be 80:15:5, the infiltrating time of the glass fibre non-woven is 30-80min.
6. the preparation method of automatically cleaning dust removal and filtration material according to claim 1, it is characterised in that: the step (2)
It after middle glass fibre non-woven infiltration, is dried using framing shaping machine, drying temperature is 150-240 DEG C.
7. the preparation method of automatically cleaning dust removal and filtration material according to claim 6, it is characterised in that: the drying temperature
It is 240 DEG C.
8. the preparation method of automatically cleaning dust removal and filtration material according to claim 1, it is characterised in that: the glass fibre
Non-woven fabrics is mainly made of glass layer and base cloth layer, and the upper and lower layer of the base cloth layer is equipped with glass layer.
9. the preparation method of automatically cleaning dust removal and filtration material according to claim 1, it is characterised in that: the base cloth layer by
Polytetrafluoroethylene (PTFE) or polyphenylene sulfide are made.
10. using automatically cleaning dust removal and filtration material made from preparation method described in any one of claim 1-9 claim.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113101757A (en) * | 2021-03-30 | 2021-07-13 | 安徽省大禾滤清器有限公司 | Combined type air filter assembly |
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