CN105369499A - Photocatalytic nano TiO2 fabric production integrated device - Google Patents
Photocatalytic nano TiO2 fabric production integrated device Download PDFInfo
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- CN105369499A CN105369499A CN201510814079.6A CN201510814079A CN105369499A CN 105369499 A CN105369499 A CN 105369499A CN 201510814079 A CN201510814079 A CN 201510814079A CN 105369499 A CN105369499 A CN 105369499A
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- fabric
- photo
- hydrosol
- groove
- nano tio
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- 239000004744 fabric Substances 0.000 title claims abstract description 88
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 40
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title abstract description 18
- 238000004519 manufacturing process Methods 0.000 title abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 33
- 230000032683 aging Effects 0.000 claims abstract description 30
- 238000001035 drying Methods 0.000 claims abstract description 13
- 238000007493 shaping process Methods 0.000 claims abstract description 13
- 238000002360 preparation method Methods 0.000 claims abstract description 12
- 238000007596 consolidation process Methods 0.000 claims abstract description 8
- 239000007787 solid Substances 0.000 claims abstract description 8
- 239000011941 photocatalyst Substances 0.000 claims description 27
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 24
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 13
- 150000007522 mineralic acids Chemical class 0.000 claims description 12
- 238000007592 spray painting technique Methods 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 9
- 239000006185 dispersion Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 23
- 239000000243 solution Substances 0.000 description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 238000006555 catalytic reaction Methods 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical class CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000007146 photocatalysis Methods 0.000 description 3
- 238000005292 vacuum distillation Methods 0.000 description 3
- 241000237502 Ostreidae Species 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical class [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009931 harmful effect Effects 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 235000020636 oyster Nutrition 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 241000233866 Fungi Species 0.000 description 1
- 201000001429 Intracranial Thrombosis Diseases 0.000 description 1
- 206010035664 Pneumonia Diseases 0.000 description 1
- 208000031320 Teratogenesis Diseases 0.000 description 1
- 206010044302 Tracheitis Diseases 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000005562 fading Methods 0.000 description 1
- 208000032839 leukemia Diseases 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 230000000243 photosynthetic effect Effects 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 1
- 229940043267 rhodamine b Drugs 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B3/00—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
- D06B3/18—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics combined with squeezing, e.g. in padding machines
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/20—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B23/00—Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
- D06B23/20—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation
- D06B23/205—Arrangements of apparatus for treating processing-liquids, -gases or -vapours, e.g. purification, filtration or distillation for adding or mixing constituents of the treating material
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a photocatalytic nano TiO2 fabric production integrated device comprising a photocatalytic nano TiO2 hydrosol preparation device and a fabric consolidation device. The hydrosol preparation device includes a pre-mixture tank, a dropping reaction kettle, and an aging reaction kettle. The fabric consolidation device includes a fabric conveying roller, a padding trough filled with photocatalytic nano TiO2 hydrosol, a rolling roller, a cloth guide device, and a shaping and drying device, which are arranged in sequence. The aging reaction kettle is communicated with the padding trough. The production line is reasonable in configuration, and meets the requirement for industrialized production of photocatalytic nano TiO2 fabric. The solid content of photocatalytic nano TiO2 on the surface of the preparaed photocatalytic fabric is higher than or equal to 80%. The production efficiency is high.
Description
Technical field
The present invention relates to photocatalyst product production field, be specifically related to photo-catalytic nano TiO
2fabric produces combined unit.
Background technology
Light urges matchmaker to be a kind of with nanoscale TiO
2for the general name with the photosemiconductor material of photo-catalysis function of representative, it is the current ideal material administering indoor environmental pollution in the world, under the effect of light, produce strong catalytic degradation function, can effectively degrade as toxic and harmfuls such as formaldehyde in air, effectively can kill various bacteria, antibiotic rate is up to 99.99%, and the toxin that bacterium or fungi can be discharged decomposes and harmless treatment, also possesses the function such as deodorizing, anti-soil simultaneously.
In recent years, due to the appearance of " finishing pollution syndrome ", pollution of indoor environment is frequently existing, becomes the focus that people pay close attention to.According to authority, exceed standard at the house fitting pollution of China more than 70%, and seriously polluted exceeding standard reaches more than 30%.It not only can cause the diseases such as pneumonia, tracheitis, leukaemia, cerebral thrombus, also may cause a series of diseases such as pregnant woman miscarries, newborn teratogenesis.
By nanoscale TiO
2arrange in fabric face, form photocatalyst product, meet consumer's " demand for security ", market prospects are very wide.As mentioned above, photocatalyst is under the irradiation of light, similar photosynthetic light-catalyzed reaction can be produced, produce the extremely strong free hydroxy of oxidability and active oxygen, there is very strong photoredox function, therefore the surface area of the unit volume of photocatalyst is larger, the effect of light-catalyzed reaction is stronger, the free hydroxy produced and active oxygen more, can say that particle size is the key index of photocatalyst quality, this just requires photocatalyst in preparation and follow-uply to deposit with in use procedure, not only needs TiO
2particle diameter should be enough little, need TiO2 agglomeration can not occur simultaneously, affect light reaction area into, and butyl titanate poured in acid solution to mix by current hydrosol preparation method, there is the defect of following two aspects:
One is can only adopt higher than 30 nanoscale TiO
2as raw material, if with lower than 30 nanoscale TiO
2as raw material, TiO must be there is in preparation
2agglomeration, not only wastes resource, and cannot prepare the TiO of high-load
2the hydrosol, give birth to agglomeration (although done solid-liquor separation to the aggregate of precipitation in preparation process in subsequent storage and use procedure relaying supervention simultaneously, but the little aggregate not forming precipitation is still stayed in the hydrosol, in storage, these little aggregates can continue to reunite), make TiO in the hydrosol of acquisition
2extremely unstable, TiO in the hydrosol
2content can reduce gradually along with the passing in storage time.
Two is the above TiO of 30 nanoscale
2, its can with and conduction band between band-gap energy be 5.127 × 10
-19j, its energy equivalence in wavelength be the ultraviolet light of 387.5nm, third contact of a total solar or lunar eclipse catalytic reaction can only be issued at below 388nm UV-irradiation, particular requirement is had to illumination, limit the environment for use of carrier, namely, will not have in the environment not having ultraviolet light degraded air in as toxic and harmfuls such as formaldehyde, kill the effects such as various bacteria.
When the size of particle is at 1 ~ 10 nanoscale, there will be quantum effect, become quantization particle, obvious forbidden band broadens, electron-hole has stronger redox ability, and the raising with dimensional quantum degree increases by catalytic activity, makes also can reach desirable effect under normal illumination.With 1 ~ 10 nanoscale TiO
2prepare photocatalyst TiO
2the hydrosol, makes its carrier light-catalyzed reaction can occur under normal illumination, for consumers in general benefit, is the technical problem that industry scientific worker needs solution badly.
Simultaneously how by nanoscale TiO
2be attached on fabric carrier, and obtain the Photo-Catalyst Fabric of high solid content, thus require a set of rational photocatalyst TiO of design
2fabric manufacturing line realizes suitability for industrialized production and seems and be even more important.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of photo-catalytic nano TiO
2fabric produces combined unit, and line configuration is reasonable, the photo-catalytic nano TiO of production
2hydrosol stable system, content is high, arranges on fabric carrier, nano-TiO on Photo-Catalyst Fabric
2particle solid content reaches more than 80%, and production efficiency significantly improves.
The present invention is achieved through the following technical solutions:
Photo-catalytic nano TiO
2fabric produces combined unit, comprises hydrosol preparation facilities and fabric consolidation device;
Described hydrosol preparation facilities comprises prewired groove, dropwise reaction still and ageing reactor;
Described fabric consolidation device comprise set gradually fabric carrier rolls road, padding groove, roll compacting roller, drawing cloth apparatus, shaping and drying device of the hydrosol is housed;
Described ageing reactor with pad groove and be communicated with, or ageing reactor is communicated with holding vessel, pads groove and is communicated with holding vessel.
Described prewired groove is provided with agitating device, for preparing butyl titanate homogeneous phase solution;
Described dropwise reaction still is provided with agitating device, for preparing inorganic acid solution; And be provided with Dropping feeder or spray painting device, for the dropping of the butyl titanate prepared in prewired groove homogeneous phase solution or spray painting are entered participation system reaction in the inorganic acid solution constantly stirred;
Described ageing reactor, reacts to obtain photo-catalytic nano TiO for the dispersion liquid reacted in dropwise reaction still being carried out sealing and standing ageing
2the hydrosol;
Fabric is sent to through conveying roller and photo-catalytic nano TiO is housed
2the hydrosol pad groove, and from the photo-catalytic nano TiO padded in groove
2pass in the hydrosol, pad in groove and establish attemperator, hydrosol temperature keeps 20 ~ 60 DEG C, and the fabric speed of travel is 20 ~ 40 ms/min; Cross roll compacting rolling pressure after fabric goes out to soak turn trough, draw that cloth apparatus draws cloth, shaping and drying device dries obtained Photo-Catalyst Fabric, shaping and drying temperature is 160 ~ 180 DEG C.
The further improvement project of the present invention is, presses liquid level size in described dropwise reaction still, at least every 50 ~ 80 square centimeters of settings water dropper.
The present invention further improvement project is, between the Dropping feeder of described prewired groove and dropwise reaction still or spray painting device, is communicated with by pump between dropwise reaction still with ageing reactor.By transport pump material, increase work efficiency.
The present invention further improvement project is, described ageing reactor is communicated with decompressor, and is communicated with the pipe heat exchanger outside still.
The present invention further improvement project is, pads the photo-catalytic nano TiO in groove
2tiO in the hydrosol
2particle diameter is 1 ~ 10 nanoscale.
The present invention further improvement project is, pads the photocatalyst TiO in groove
2hydrosol pH value is 3.0 ~ 4.0, TiO
2content is more than 2.8%.
The present invention further improvement project is, described fabric is cloth.
The present invention further improvement project is, described fabric face photocatalyst TiO
2solid content>=80%.
The present invention compared with prior art, has following obvious advantage:
One, as stated in the Background Art, in the hydrosol, TiO2 particle size, content are just the key indexs of photocatalyst quality, but the nanosized TiO_2 hydrosol is extremely unstable in the reaction system of producing, very easily reunite, separate out phenomenon, TiO2 light reaction surface area is caused to reduce, content reduces, and finally affects the photocatalysis performance of photocatalyst product.Research staff sums up through long term test, the photo catalyst TiO_2 hydrosol produce in butyl titanate homogeneous phase solution be even more important to drip and to participate in reaction in inorganic acid solution that the method for spray painting is dissolved under stirring, and rate of addition restriction is no faster than 2/s, often drip titanate esters volumes of aqueous ethanol 0.04 ~ 0.07ml, this speed super then can occur to reunite and separate out phenomenon, therefore arranges the equipment of corresponding realized production technology in production line.
Two, make vacuum distillation to the hydrosol after ageing and not only can remove the peculiar smell that ethanol and negative reaction thing butanols etc. bring, can promote hydrosol pH value reaches 2 ~ 3 simultaneously, makes its stable performance in storage process.With addition of adjustable pH value to 3 ~ 4 of distilled water when later stage uses, after adding fabric face to, then by the operation such as exhausting, oven dry, pH value close to 7, thus reaches free from extraneous odour, free from corrosion effect.The present invention is communicated with decompressor at ageing reactor, and is communicated with the pipe heat exchanger outside still, meets the rear vacuum distillation technique of ageing reaction.
Accompanying drawing explanation
Fig. 1 is production line schematic diagram of the present invention.
Detailed description of the invention
As shown in Figure 1, the present invention includes and comprise hydrosol preparation facilities and fabric consolidation device;
Described hydrosol preparation facilities comprises prewired groove 11, dropwise reaction still 12 and ageing reactor 15;
Fabric consolidation device comprise set gradually fabric carrier rolls road 22, photocatalyst TiO is housed
2the padding groove 23, roll compacting roller 24, draw cloth apparatus 25, shaping and drying device 26 of the hydrosol;
Described ageing reactor 15 by storage tank 19 with pad groove 23 and be communicated with.
Described prewired groove 11 is provided with agitating device 17, for preparing butyl titanate homogeneous phase solution;
Described dropwise reaction still 12 is provided with agitating device 17, for preparing inorganic acid solution; And be provided with Dropping feeder 13(or spray painting device), for the dropping of the butyl titanate prepared in prewired groove homogeneous phase solution or spray painting are entered participation system reaction in the inorganic acid solution constantly stirred; Liquid level size is pressed, at least every 50 ~ 80 square centimeters of settings water dropper in dropwise reaction still.
Described ageing reactor 15, reacts to obtain photo-catalytic nano TiO for the dispersion liquid reacted in dropwise reaction still being carried out sealing and standing ageing
2the hydrosol;
Described ageing reactor 15 is communicated with decompressor 14, and is communicated with the pipe heat exchanger 16 outside still, carries out vacuum distillation for the hydrosol good to ageing, removes the peculiar smell that ethanol and negative reaction thing butanols etc. bring, and can promote hydrosol pH value reaches 2.0 ~ 3.0 simultaneously.
Fabric 21 is sent to through conveying roller 22 and photocatalyst TiO is housed
2the hydrosol pad groove 23, and from the photocatalyst TiO padded in groove
2pass in the hydrosol, pad in groove 23 and be provided with attemperator 28, hydrosol temperature keeps 20 ~ 60 DEG C, and the fabric speed of travel is 20 ~ 40 ms/min; Cross the roll compacting of roll compacting roller 24 after fabric 21 goes out to soak turn trough, draw cloth apparatus 25 and draw cloth, shaping and drying device 26 shaping and drying, obtained Photo-Catalyst Fabric, shaping and drying temperature is 160 ~ 180 DEG C.
The Dropping feeder 12(of described prewired groove 23 and dropwise reaction still or spray painting device) between, be communicated with by pump 18 between dropwise reaction still 12 with ageing reactor 15.
Pad the photo-catalytic nano TiO in groove 23
2tiO in the hydrosol
2particle diameter is 1 ~ 10 nanoscale, photo-catalytic nano TiO
2hydrosol pH value is 3.0 ~ 4.0, TiO
2content is more than 2.8%.
Described fabric is cloth.
Photo-catalytic nano TiO
2textile manufacturing processes:
(1) get butyl titanate and the organic solvent of weight portion 0.9 ~ 1:1, under room temperature, butyl titanate is dissolved in organic solvent and forms butyl titanate homogeneous phase solution, stir, for subsequent use;
(2) get inorganic acid under room temperature and water is mixed to get PH=1.5 ~ 3.5 inorganic acid solution, stir, for subsequent use;
(3) under 20 DEG C ~ 60 DEG C conditions, by butyl titanate homogeneous phase solution to drip or the mode of spray painting adds in the inorganic acid solution of stirring and obtains oyster white dispersion liquid, rate of addition is no faster than 2/s, often drips titanate esters volumes of aqueous ethanol 0.04 ~ 0.07ml; Butyl titanate homogeneous phase solution and inorganic acid solution weight ratio are 1:3 ~ 5; According to inorganic acid solution liquid level size, at least every 50 ~ 80 square centimeters are provided with a water dropper.
(4) be added dropwise to complete rear continuation stirring more than 1 hour, obtain oyster white dispersion liquid;
(5) by chemical centrifugal pump, the aqueous dispersions in dropwise reaction still is pumped in ageing reactor, by dispersion liquid sealing and standing ageing more than 120 hours, form the translucent nano-TiO of micro-yellow
2the hydrosol;
(6) after ageing is good, by decompressor, the pressure in ageing reactor is reduced to 0.07 ~ 0.15MPa negative pressure, to nano-TiO
2the hydrosol distills, and removes the peculiar smell that ethanol and negative reaction thing butanols etc. bring, control TiO
2hydrosol pH value is 2.0 ~ 3.0.
During finish fabric, hydrosol adding distil water is regulated pH value to 3.0 ~ 4.0, go to and pad in groove.
Fabric is sent to through conveying roller and photocatalyst TiO is housed
2the hydrosol pad groove, and from the photo-catalytic nano TiO padded in groove
2pass in the hydrosol, hydrosol temperature keeps 20 ~ 60 DEG C, and the fabric speed of travel is 20 ~ 40 ms/min; Cross roll compacting after fabric goes out to soak turn trough, draw cloth, shaping and drying obtains Photo-Catalyst Fabric, shaping and drying temperature is 160 ~ 180 DEG C.
Photo-Catalyst Fabric TiO solid content detects
A, according to the size in colorimetric lamp box, by photocatalyst cloth specimen, be cut into the square sample of 25cm*25cm 4 pieces respectively, a cloth sample in contrast wherein, place, remaining cloth specimen is put into enamel pallet and is tiled and put;
B, get the rhodamine B aqueous solution of concentration 50mg/L, within 30 seconds, take out fully wetting for cloth specimen, and vertically ooze moisture, until under anhydrous drip;
C, open colorimetric lamp box power supply, sample is put into colorimetric lamp box 200W shot-light and irradiate, notice that cloth cover is without shadow, guarantee to be irradiated to comprehensively;
D, contrast untreated sample, observe the discoloration of a cloth specimen every the set time, until door color is shallow by red stain, until colourless, cloth specimen fading time is shorter, shows photocatalyst TiO
2fabrics cloth cover photocatalysis performance is stronger, and statistics cloth specimen took off to the colourless time used.
e, from taking out cloth specimen, going out red colour-fast part by stroke, and calculating the area of this part, then according to formulae discovery, TiO
2solid content=(the colour-fast area of the cloth specimen gross area-cloth specimen)/cloth specimen gross area * 100%
Obtained Photo-Catalyst Fabric surface light catalyst nano-TiO
2solid content>=80%.
Claims (10)
1. photo-catalytic nano TiO
2fabric produces combined unit, it is characterized in that: comprise hydrosol preparation facilities and fabric consolidation device;
Described hydrosol preparation facilities comprises prewired groove (11), dropwise reaction still (12) and ageing reactor (15);
Described fabric consolidation device comprise set gradually fabric carrier rolls road (23), padding groove (23), roll compacting roller (24), drawing cloth apparatus (25), shaping and drying device (26) of the hydrosol is housed;
Described ageing reactor (15) with pad groove (23) and be communicated with, or ageing reactor (15) is communicated with holding vessel (19), pads groove (23) and is communicated with holding vessel (19).
2. photo-catalytic nano TiO according to claim 1
2fabric produces combined unit, it is characterized in that:
Described prewired groove (11) is provided with agitating device (17), for preparing butyl titanate homogeneous phase solution;
Described dropwise reaction still (12) is provided with agitating device (17), for preparing inorganic acid solution; And be provided with Dropping feeder (13) or spray painting device, for the dropping of the butyl titanate prepared in prewired groove homogeneous phase solution or spray painting are entered participation system reaction in the inorganic acid solution constantly stirred;
Described ageing reactor (15), reacts to obtain photo-catalytic nano TiO for the dispersion liquid reacted in dropwise reaction still being carried out sealing and standing ageing
2the hydrosol.
3. photo-catalytic nano TiO according to claim 1
2fabric produces combined unit, it is characterized in that:
Fabric (21) is sent to through conveying roller (22) and photo-catalytic nano TiO is housed
2the hydrosol pad groove (23), and from the photo-catalytic nano TiO padded in groove
2pass in the hydrosol, pad in groove and establish attemperator (28), hydrosol temperature keeps 20 ~ 60 DEG C, and the fabric speed of travel is 20 ~ 40 ms/min; Cross roll compacting roller (24) roll compacting after fabric goes out to soak turn trough, draw that cloth apparatus (26) draws cloth, shaping and drying device (26) dries obtained Photo-Catalyst Fabric, shaping and drying temperature is 160 ~ 180 DEG C.
4. photo-catalytic nano TiO according to claim 1
2fabric produces combined unit, it is characterized in that: by liquid level size in described dropwise reaction still (12), at least every 50 ~ 80 square centimeters of settings water dropper.
5. photo-catalytic nano TiO according to claim 1
2fabric produces combined unit, it is characterized in that: between the Dropping feeder (13) of described prewired groove (11) and dropwise reaction still or spray painting device, pass through pump (18) be communicated with between dropwise reaction still (12) with ageing reactor (15).
6. photo-catalytic nano TiO according to claim 1
2fabric produces combined unit, it is characterized in that: described ageing reactor (15) is communicated with decompressor (14), and is communicated with the pipe heat exchanger (16) outside still.
7. photo-catalytic nano TiO according to claim 1
2fabric produces combined unit, it is characterized in that: pad the photo-catalytic nano TiO in groove (23)
2tiO in the hydrosol
2particle diameter is 1 ~ 10 nanoscale.
8. photo-catalytic nano TiO according to claim 1
2fabric produces combined unit, it is characterized in that: pad the photo-catalytic nano TiO in groove (23)
2hydrosol pH value is 3.0 ~ 4.0, TiO
2content is more than 2.8%.
9. photo-catalytic nano TiO according to claim 1
2fabric produces combined unit, it is characterized in that: described fabric is cloth.
10. the photo-catalytic nano TiO according to claim 1 or 9 or 10
2fabric produces combined unit, it is characterized in that: described fabric face photo-catalytic nano TiO
2solid content>=80%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510814079.6A CN105369499B (en) | 2015-11-23 | 2015-11-23 | Photo-catalytic nano TiO2fabric produces combined unit |
Applications Claiming Priority (1)
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| CN109750489A (en) * | 2018-12-30 | 2019-05-14 | 福建省金怡丰工贸有限公司 | A kind of processing technology of antibacterial and deodouring textile |
| WO2020082288A1 (en) * | 2018-10-25 | 2020-04-30 | 江苏腾盛纺织科技集团有限公司 | Method for consolidating photocatalyst nano tio 2 hydrosol in fabric and photocatalyst fabric |
| CN113089209A (en) * | 2021-04-08 | 2021-07-09 | 安徽理工大学 | Processing technology of antibacterial garment fabric and fabric gluing and compounding device thereof |
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| CN105369499B (en) | 2016-09-21 |
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