CN107243191B - A kind of gas cleaning plant based on composite mesopore fiber - Google Patents

A kind of gas cleaning plant based on composite mesopore fiber Download PDF

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Publication number
CN107243191B
CN107243191B CN201710632886.5A CN201710632886A CN107243191B CN 107243191 B CN107243191 B CN 107243191B CN 201710632886 A CN201710632886 A CN 201710632886A CN 107243191 B CN107243191 B CN 107243191B
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tio
composite fibre
filter screen
air
cavity
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CN107243191A (en
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韦德永
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ZHEJIANG SAVOL HEALTH & BEAUTY HAIR INDUSTRY CO., LTD.
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Zhejiang Savol Health & Beauty Hair Industry Co Ltd
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    • 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
    • B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
    • B01D46/645—Protecting screens at filter inlet or outlet
    • 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
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0028—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions provided with antibacterial or antifungal means
    • 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
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • 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
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/4263—Means for active heating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/26—Drying gases or vapours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation 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
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/86—Catalytic processes
    • B01D53/88—Handling or mounting catalysts
    • B01D53/885—Devices in general for catalytic purification of waste gases
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
    • D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20707—Titanium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/80—Type of catalytic reaction
    • B01D2255/802—Photocatalytic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/91—Bacteria; Microorganisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/06—Polluted air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
    • B01D2279/65—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for the sterilisation of air

Abstract

This application involves a kind of gas cleaning plant based on composite mesopore fiber, which includes a cavity, and the side of the cavity is equipped with an air inlet, and the other side of the cavity is equipped with an air outlet；An evaporator, a primary heater, a secondary heater and a blower are equipped in the cavity；It is equipped with one first filter screen at the position of the air inlet, is equipped with one second filter screen at the position of the air outlet；Wherein, first filter screen is TiO2The filter screen of composite fibre preparation, second filter screen are the sub- filter screen of air atom.

Description

A kind of gas cleaning plant based on composite mesopore fiber
Technical field
This application involves field of gas purification more particularly to a kind of gas cleaning plants based on composite mesopore fiber.
Background technique
A filter device is typically provided in traditional air cleaner, the air cleaner passes through filter device for air In harmful substance filter out.Traditional filter device detergent power is limited, needs to be replaced in use for some time, purification It is inefficient.
Summary of the invention
The present invention is intended to provide a kind of gas cleaning plant based on composite mesopore fiber, set forth above to solve the problems, such as.
A kind of gas cleaning plant based on composite mesopore fiber, gas purification dress are provided in the embodiment of the present invention It sets including a cavity, the side of the cavity is equipped with an air inlet, and the other side of the cavity is equipped with an air outlet；The cavity Inside it is equipped with an evaporator, a primary heater, a secondary heater and a blower；One first is equipped at the position of the air inlet Filter screen is equipped with one second filter screen at the position of the air outlet；Wherein, first filter screen is TiO2Composite fibre system Standby filter screen, second filter screen are the sub- filter screen of air atom.
Preferably, the TiO2Composite fibre is specially TiO2/WO3/ Ag/Fe meso-porous nano fiber, the TiO2Composite fibre tool There is meso-hole structure；The TiO2In composite fibre, TiO2It is 9:5, TiO with Ag mass ratio2It is 9:1, TiO with Fe mass ratio2With WO3Matter Amount is than being 9:7.
Preferably, the TiO2In composite fibre, using WCl6For the source W, the TiO is formed2WO in composite fibre3, use AgNO3For the source Ag, the TiO is formed2Ag in composite fibre uses iron chloride for the source Fe, forms the TiO2In composite fibre Fe。
The technical solution that the embodiment of the present invention provides can include the following benefits:
One is equipped at the position that gas cleaning plant of the present invention of the invention passes through the air inlet to filter out gas phase point It is tiny to filter out to be equipped with one at the position of the air outlet for first filter screen of sub- harmful substance and fine particle harmful substance Second filter screen of particle, micro dust particle and particulates emission, realizes and air is filtered for multiple times, and purification efficiency is high.
The additional aspect of the application and advantage will be set forth in part in the description, and will partially become from the following description It obtains obviously, or recognized by the practice of the application.It should be understood that above general description and following detailed description are only Be it is exemplary and explanatory, the application can not be limited.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawings, but the embodiment in attached drawing is not constituted to any limit of the invention System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings Other attached drawings.
Fig. 1 is the structural schematic diagram of gas cleaning plant of the present invention；
Wherein, 10- gas cleaning plant, 11- air inlet, 12- air outlet, 13- evaporator, 14- cavity, 15- first add Hot device, 16- secondary heater, 19- blower, the second filter screen of 25-, the first filter screen of 35-.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended The example of device and method being described in detail in claims, some aspects of the invention are consistent.
The embodiment of the present invention is related to a kind of gas cleaning plant based on composite mesopore fiber, and in conjunction with Fig. 1, the gas is net It includes a cavity 14 that makeup, which sets 10, and the side of the cavity 14 is equipped with an air inlet 11, and the other side of the cavity 14 is equipped with one Air outlet 12；An evaporator 13, a primary heater 15, a secondary heater 16 and a blower 19 are equipped in the cavity 14.
It is equipped with one first filter screen 35 at the position of the air inlet 11, is equipped with one second at the position of the air outlet 12 Filter screen 25, to be filtered to remove harmful substance contained in the air entered in the cavity 14.Wherein, first filtering Net 35 is TiO2The filter screen of composite fibre preparation, second filter screen 25 are the sub- filter screen of air atom.
When work, the air of the containment portion enters in the cavity via air inlet, and first filter screen is TiO2Composite fibre filter screen, tentatively to filter out into gas molecule in space harmful substance in the intracorporal air of the chamber and subtle Particle harmful substance.The dehumidifying and cooling treatment of evaporator are first passed through, into the intracorporal air of the chamber to reach the wet of setting Degree and temperature requirement.Heat again via the first time of the primary heater by dehumidifying with the air after cooling treatment, Thus gas molecule can be allowed tentatively to be heated.Gas after tentatively heating adds via second of the secondary heater Heat treatment, thus can heat the gases to preset temperature.Gas after second of heat treatment of the secondary heater Body passes through the driving and guiding function of blower, flows out the cavity via the air outlet.Second filter screen is that air is micro- Particulate filter net, to further filter out fine particles, micro dust particle and particulates emission into the intracorporal air of the chamber.
Air pollution problems inherent is increasingly valued by people, currently, the purification for air, fiber filter material is in sky Proportion gradually increases in gas filtering material, and nano-scale fiber is due to its large specific surface area, filtering adsorption efficiency is good and draws The extensive concern of people is played.In the prior art, air filter is ineffective to organic filtration, the technical side of the application In case, first filter screen 35 is TiO2Composite fibre filter screen, the TiO2Composite fibre is specially TiO2/WO3/ Ag/Fe is situated between Hole nanofiber, the TiO2Composite fibre has meso-hole structure.
TiO2There is very strong degradation function, nano-TiO to organic matter in air2With many unique properties, for example urge Change sterilization etc., nano-TiO23000 gas chromatographies can be made to degrade under the illumination of certain wavelength, in air purification field It is widely used；However, in the prior art, TiO2Specific surface area it is relatively low, reunion is easy to happen in liquid-phase system, it is difficult to protect Hold efficient photocatalysis, catalytically bactericidal process activity；In the technical solution of the application, the TiO2Composite fibre shows as meso-hole structure, It is with big specific surface area, and activity and adsorption capacity also greatly increase, so that the TiO2The photocatalytic activity of composite fibre Enhancing.
The TiO2In composite fibre, TiO2It is 9:5 with Ag mass ratio；TiO2It is 9:1 with Fe mass ratio.
In order to preferably reach bactericidal effect, AgNO is used in technical scheme3For the source Ag, the TiO is formd2It is multiple Ag in condensating fiber.Ag is a kind of precious metal material, is usually used separately as antibacterial agent, in technical scheme, by it With TiO2It is compound, due to the presence of precious metals ag, more chemical reaction points can be provided in composite fibre, so that TiO2Light Catalysis reaction can issue life in lower chemical potential barrier, while it is able to suppress in composite fibre semiconductor Pair production again It is compound, enhance light-catalyzed reaction, positive influence is generated to air cleaning.It uses iron chloride for the source Fe in the application, forms this TiO2Fe in composite fibre.
The TiO2In composite fibre, TiO2With WO3Mass ratio is 9:7.
In order to preferably reach clean-up effect, WCl is used in the application6For the source W, the TiO is formd2In composite fibre WO3。WO3It is a kind of transition metal oxide, is a kind of widely applied functional material；Its forbidden bandwidth about 2.4~2.8eV prohibits Bandwidth is relatively narrow, due to TiO2It is a kind of wide bandgap semiconductor, forbidden bandwidth 3.2eV causes it to be only less than in wavelength Just there is light stimulating activity, therefore, in technical scheme, by WO under the ultraviolet light of 387nm3With TiO2In conjunction with can open up TiO in wide composite fibre2Light abstraction width it is in turn, net to gas of the present invention so that its photocatalysis efficiency greatly improves Makeup sets middle air filtration and generates positive influence.
TiO described above2In composite fibre, WO3, Ag, Fe synergistic effect so that the photocatalysis of first filter screen 35 Activity greatly enhances, and enhances the photocatalytic degradation capability of organic matter in air, simultaneously because the presence of meso-hole structure, so that The TiO2Composite fibre enhances the adsorption capacity of larger molecular organics, little particle etc. in air.
The technical solution of the application further relates to TiO described above2The preparation step of composite fibre:
Step 1, the glacial acetic acid and 8ml dehydrated alcohol for weighing 5ml are used as solvent in conical flask, then weigh polyethylene wind Pyrrolidone 0.7g is add to the above mixed solution, and is stirred evenly at room temperature；
Step 2, it is slowly added to 4.2g butyl titanate in Xiang Shangshu mixed solution, continues to stir, then weigh 1.4g's again Diisopropyl azodiformate continues to stir as foaming agent；
Step 3, then it is separately added into suitable WCl6、AgNO3, iron chloride, continue stir 2h, obtain spinning liquid as precursor；
Step 4, it is measured in 6ml injected plastic needle tubing after above-mentioned spinning liquid as precursor being stood, is placed in micro-injection pump On, setting injection speed is 1ml/h.Metal needle makees electrospinning wire anode, and wire netting is made to receive the cathode of material, anode and cathode The distance between be 20cm, electrostatic spinning is carried out under 20kV high pressure, it is fine to obtain SOLID ORGANIC presoma from iron wire online collection Dimension material is placed in 60 DEG C of constant temperature drying box, and organic precursor nanofiber is made；
Step 5, above-mentioned organic precursor nanofiber is placed in quartz boat, in air atmosphere, is warming up to 550 DEG C and forges Processing 2h is burnt, TiO is made in then furnace cooling2/WO3/ Ag/Fe meso-porous nano fiber.
Embodiment 1
The TiO2The preparation step of composite fibre:
Step 1, the glacial acetic acid and 8ml dehydrated alcohol for weighing 5ml are used as solvent in conical flask, then weigh polyethylene wind Pyrrolidone 0.7g is add to the above mixed solution, and is stirred evenly at room temperature；
Step 2, it is slowly added to 4.2g butyl titanate in Xiang Shangshu mixed solution, continues to stir, then weigh 1.4g's again Diisopropyl azodiformate continues to stir as foaming agent；
Step 3, then it is separately added into suitable WCl6、AgNO3, iron chloride, continue stir 2h, obtain spinning liquid as precursor；
Step 4, it is measured in 9ml injected plastic needle tubing after above-mentioned spinning liquid as precursor being stood, is placed in micro-injection pump On, setting injection speed is 1.3ml/h.Metal needle makees electrospinning wire anode, and wire netting is made to receive the cathode of material, anode and yin The distance between pole is 16cm, and electrostatic spinning is carried out under 23kV high pressure, obtains SOLID ORGANIC presoma from iron wire online collection Fibrous material is placed in 60 DEG C of constant temperature drying box, and organic precursor nanofiber is made；
Step 5, above-mentioned organic precursor nanofiber is placed in quartz boat, in air atmosphere, is warming up to 550 DEG C and forges Processing 2h is burnt, TiO is made in then furnace cooling2/WO3/ Ag/Fe meso-porous nano fiber.
Embodiment 2
The TiO2The preparation step of composite fibre:
Step 1, the glacial acetic acid and 8ml dehydrated alcohol for weighing 9ml are used as solvent in conical flask, then weigh polyethylene wind Pyrrolidone 0.7g is add to the above mixed solution, and is stirred evenly at room temperature；
Step 2, it is slowly added to 4.2g butyl titanate in Xiang Shangshu mixed solution, continues to stir, then weigh 1.4g's again Diisopropyl azodiformate continues to stir as foaming agent；
Step 3, then it is separately added into suitable WCl6、AgNO3, iron chloride, continue stir 2h, obtain spinning liquid as precursor；
Step 4, it is measured in 6ml injected plastic needle tubing after above-mentioned spinning liquid as precursor being stood, is placed in micro-injection pump On, setting injection speed is 1ml/h.Metal needle makees electrospinning wire anode, and wire netting is made to receive the cathode of material, anode and cathode The distance between be 18cm, electrostatic spinning is carried out under 21kV high pressure, it is fine to obtain SOLID ORGANIC presoma from iron wire online collection Dimension material is placed in 60 DEG C of constant temperature drying box, and organic precursor nanofiber is made；
Step 5, above-mentioned organic precursor nanofiber is placed in quartz boat, in air atmosphere, is warming up to 550 DEG C and forges Processing 2h is burnt, TiO is made in then furnace cooling2/WO3/ Ag/Fe meso-porous nano fiber.
Embodiment 3
The TiO2The preparation step of composite fibre:
Step 1, the glacial acetic acid and 8ml dehydrated alcohol for weighing 6ml are used as solvent in conical flask, then weigh polyethylene wind Pyrrolidone 0.7g is add to the above mixed solution, and is stirred evenly at room temperature；
Step 2, it is slowly added to 4.2g butyl titanate in Xiang Shangshu mixed solution, continues to stir, then weigh 1.4g's again Diisopropyl azodiformate continues to stir as foaming agent；
Step 3, then it is separately added into suitable WCl6、AgNO3, iron chloride, continue stir 2h, obtain spinning liquid as precursor；
Step 4, it is measured in 6ml injected plastic needle tubing after above-mentioned spinning liquid as precursor being stood, is placed in micro-injection pump On, setting injection speed is 1ml/h.Metal needle makees electrospinning wire anode, and wire netting is made to receive the cathode of material, anode and cathode The distance between be 20cm, electrostatic spinning is carried out under 20kV high pressure, it is fine to obtain SOLID ORGANIC presoma from iron wire online collection Dimension material is placed in 60 DEG C of constant temperature drying box, and organic precursor nanofiber is made；
Step 5, above-mentioned organic precursor nanofiber is placed in quartz boat, in air atmosphere, is warming up to 550 DEG C and forges Processing 2h is burnt, TiO is made in then furnace cooling2/WO3/ Ag/Fe meso-porous nano fiber.
The foregoing is merely preferred modes of the invention, are not intended to limit the invention, all in spirit and original of the invention Within then, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (1)

1. a kind of gas cleaning plant based on composite mesopore fiber, the gas cleaning plant include cavity, which is characterized in that institute The side for stating cavity is equipped with air inlet, and the other side of the cavity is equipped with air outlet；Add in the cavity equipped with evaporator, first Hot device, secondary heater and blower；It is equipped with the first filter screen at the position of the air inlet, is equipped at the position of the air outlet Second filter screen；Wherein, first filter screen is TiO2The filter screen of composite fibre preparation, second filter screen are air Particulate filter screen；
The TiO2Composite fibre is specially TiO2/WO3/ Ag/Fe meso-porous nano fiber, the TiO2Composite fibre has meso-hole structure；
The TiO2In composite fibre, TiO2It is 9:5, TiO with Ag mass ratio2It is 9:1, TiO with Fe mass ratio2With WO3Mass ratio is 9:7；
The TiO2In composite fibre, using WCl6For the source W, the TiO is formed2WO in composite fibre3, using AgNO3For the source Ag, shape At the TiO2Ag in composite fibre uses iron chloride for the source Fe, forms the TiO2Fe in composite fibre；
The TiO2The preparation step of composite fibre:
Step 1, the glacial acetic acid and 8ml dehydrated alcohol for weighing 5ml are used as solvent in conical flask, then weigh polyvinylpyrrolidine Ketone 0.7g is add to the above mixed solution, and is stirred evenly at room temperature；
Step 2, it is slowly added to 4.2g butyl titanate in Xiang Shangshu mixed solution, continues to stir, then weigh the azo of 1.4g again Dioctyl phthalate diisopropyl ester continues to stir as foaming agent；
Step 3, then it is separately added into suitable WCl6、AgNO3, iron chloride, continue stir 2h, obtain spinning liquid as precursor；
Step 4, it measures in 6ml injected plastic needle tubing, is placed on micro-injection pump after above-mentioned spinning liquid as precursor being stood, if Setting injection speed is 1ml/h, and metal needle makees electrospinning wire anode, and wire netting is made to receive the cathode of material, between anode and cathode Distance be 20cm, electrostatic spinning is carried out under 20kV high pressure, obtains SOLID ORGANIC precursor fibre material from iron wire online collection Material is placed in 60 DEG C of constant temperature drying box, and organic precursor nanofiber is made；
Step 5, above-mentioned organic precursor nanofiber is placed in quartz boat, in air atmosphere, is warming up at 550 DEG C of calcinings 2h is managed, TiO is made in then furnace cooling2/WO3/ Ag/Fe meso-porous nano fiber.
CN201710632886.5A 2017-07-28 2017-07-28 A kind of gas cleaning plant based on composite mesopore fiber Active CN107243191B (en)

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CN110884321A (en) * 2019-11-28 2020-03-17 江苏江永新材料科技有限公司 Vehicle-mounted temperature-controllable type cold dryer with air filtering function

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101161705A (en) * 2006-10-13 2008-04-16 中国科学院化学研究所 Functional polymer nano composite material and preparation method and uses thereof
CN105214402A (en) * 2015-11-03 2016-01-06 重庆植恩药业有限公司 Gas cleaning plant

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101161705A (en) * 2006-10-13 2008-04-16 中国科学院化学研究所 Functional polymer nano composite material and preparation method and uses thereof
CN105214402A (en) * 2015-11-03 2016-01-06 重庆植恩药业有限公司 Gas cleaning plant

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
全介孔TiO2基纳米纤维的制备与结构调控及其光催化特性;侯慧林;《中国博士学位论文全文数据库 工程科技Ⅰ辑》;20151015;全文

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Address after: 318020 No. 16 Longpu Road, Dongcheng Development Zone, Huangyan District, Taizhou City, Zhejiang Province

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Applicant before: Wei Deyong

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