CN108159788A - A kind of preparation method of air conditioning filter filtrate - Google Patents
A kind of preparation method of air conditioning filter filtrate Download PDFInfo
- Publication number
- CN108159788A CN108159788A CN201711268244.8A CN201711268244A CN108159788A CN 108159788 A CN108159788 A CN 108159788A CN 201711268244 A CN201711268244 A CN 201711268244A CN 108159788 A CN108159788 A CN 108159788A
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- CN
- China
- Prior art keywords
- knitted fabric
- high pile
- pile knitted
- preparation
- air conditioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- B01D46/0001—Making filtering elements
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0015—Electro-spinning characterised by the initial state of the material
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/0007—Electro-spinning
- D01D5/0061—Electro-spinning characterised by the electro-spinning apparatus
- D01D5/0076—Electro-spinning characterised by the electro-spinning apparatus characterised by the collecting device, e.g. drum, wheel, endless belt, plate or grid
- D01D5/0084—Coating by electro-spinning, i.e. the electro-spun fibres are not removed from the collecting device but remain integral with it, e.g. coating of prostheses
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/02—Pile fabrics or articles having similar surface features
- D04B1/04—Pile fabrics or articles having similar surface features characterised by thread material
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04B—KNITTING
- D04B1/00—Weft knitting processes for the production of fabrics or articles not dependent on the use of particular machines; Fabrics or articles defined by such processes
- D04B1/14—Other fabrics or articles characterised primarily by the use of particular thread materials
- D04B1/16—Other fabrics or articles characterised primarily by the use of particular thread materials synthetic threads
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
- D06C7/02—Setting
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/10—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polymers of unsaturated nitriles, e.g. polyacrylonitrile, polyvinylidene cyanide
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses a kind of preparation methods of air conditioning filter filtrate, include the following steps：Step 10）Using the fine fiber of polypropylene flame redardant or flame retardant polyester fiber as material, high pile knitted fabric is prepared using circular knitting machine；Step 20）Using expanding machinery by step 10）The high pile knitted fabric width tension of preparation；Step 30）The high pile knitted fabric after stretching is transported to by electrospinning device using hitching machinery, high pile knitted fabric is opposite with the syringe needle of electrospinning device；Step 40）Spinning solution is injected in the surface of high pile knitted fabric using electrospinning device；Step 50）Curing process is carried out to the high pile knitted fabric of jet spinning liquid, so as to which air conditioning filter filtrate be made.The preparation method can solve the problems, such as that Electrospun nano-fibers are poor with fabric adhesion.
Description
Technical field
The present invention relates to a kind of preparation method of dedusting filtrate, it particularly relates to a kind of preparation of air conditioning filter filtrate
Method.
Background technology
What the basic still China of the air conditioning filter filtering material in present textile industry workshop developed in the 70-80 ages becomes mildewed
Suede is knitted filtrate as main dust filtering product.The dust filtering product can meet cotton spinning in terms of gas permeability and resistance dissipative, change
The air filtration of the air conditioning filter system of the industries such as fibre, cigarette, papermaking.But with national local area space dust discharge standard
It improves, existing air quality environment cannot meet basic demand of the dust filtration equipment to filtrate efficiency of dust collection, and industrial bag
Although the non-woven filtrate of formula dedusting industry disclosure satisfy that emission request in terms of filter efficiency, because resistance is excessively high, fortune
The energy consumption of row process can not meet the basic demand of low-resistance low consumption.How to realize efficient low-resistance become industry there is an urgent need to.
Invention content
The present invention provides a kind of preparation method of air conditioning filter filtrate, is bonded with solving Electrospun nano-fibers with fabric
The problem of property is poor.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of preparation method of air conditioning filter filtrate, including with
Lower step：
Step 10）Using the fine fiber of polypropylene flame redardant or flame retardant polyester fiber as material, prepare plush using circular knitting machine and be knitted
Object；
Step 20）Using expanding machinery by step 10）The high pile knitted fabric width tension of preparation；
Step 30）The high pile knitted fabric after stretching is transported to by electrospinning device using hitching machinery, plush knitting
Object is opposite with the syringe needle of electrospinning device；
Step 40）Spinning solution is injected in the surface of high pile knitted fabric using electrospinning device；
Step 50）Curing process is carried out to the high pile knitted fabric of jet spinning liquid, so as to which air conditioning filter filtrate be made.
As preference, the step 20）In, the high pile knitted fabric width after stretching is 1700~2000mm.
As preference, the step 30）In, the distance of high pile knitted fabric and electrospinning device for 85~
1500mm。
As preference, the step 40）In, the material of spinning solution is identical with the material of high pile knitted fabric.
As preference, the step 40）In, according to the total of the quantity of spinning head in electrospinning device and spinneret liquid
High pile knitted fabric with 3.5~15m/min speed is moved, realizes spinneret liquid in the different heap in high pile knitted fabric surface by amount
Product level of coverage.
As preference, the step 50）Including：Air blower is arranged side by side in the high pile knitted fabric after spinneret covering
Front makes air blower blowing direction, in 90 degree, continuously dry with high pile knitted fabric surface high pile knitted fabric surface；By wind
For high pile knitted fabric after solidization by continuous tunnel furnace high-temperature shaping, movement speed of the high pile knitted fabric in continuous tunnel furnace is 6
~12m/min.
As preference, the air blower is 40~90 seconds to high pile knitted fabric surface blow-time；The continuous tunnel furnace
In temperature be 220 DEG C.
As preference, the step 50）It further includes：After by continuous tunnel furnace, high pile knitted fabric is passed through two
Hot roll through heat-conducting oil heating is shaped, and high pile knitted fabric is coated on hot rolling roller surface in a manner of S types.
As preference, the temperature of the hot roll is 350 DEG C, and the rotary speed of hot roll is 15 circles/min, hot roll
A diameter of 80mm.
Compared with prior art, the embodiment of the present invention can solve Electrospun nano-fibers layer easily from plush knitting
Object surface comes off problem, to prolong the service life.In the preparation method of above-described embodiment, plush is knitted using expanding machinery
Object width is stretched, so as to shape to the size of high pile knitted fabric.Spinning solution is sprayed using electrospinning device
On the surface of high pile knitted fabric.Since the size of high pile knitted fabric has been shaped, so after jet spinning liquid, conducive to spinning
The combination of silk liquid and high pile knitted fabric.The preparation method improves the combination strong degree of spinning solution and high pile knitted fabric, makes
The air conditioning filter filtrate service life that must be finally made is long.
Specific embodiment
Technical scheme of the present invention is described in detail below.
The embodiment of the present invention provides a kind of preparation method of air conditioning filter filtrate, includes the following steps：
Step 10）Using the fine fiber of polypropylene flame redardant or flame retardant polyester fiber as material, prepare plush using circular knitting machine and be knitted
Object；
Step 20）Using expanding machinery by step 10）The high pile knitted fabric width tension of preparation；
Step 30）The high pile knitted fabric after stretching is transported to by electrospinning device using hitching machinery, plush knitting
Object is opposite with the syringe needle of electrospinning device；
Step 40）Spinning solution is injected in the surface of high pile knitted fabric using electrospinning device；
Step 50）Curing process is carried out to the high pile knitted fabric of jet spinning liquid, so as to which air conditioning filter filtrate be made.
In the preparation method of above-described embodiment, by the use of the fine fiber of polypropylene flame redardant or flame retardant polyester fiber as plush needle
Textile material, the flame-retarding characteristic of material are that the filtrate in application process is avoided to be burnt by Mars.Using expanding machinery by plush
Knitted fabric width is stretched, so as to shape to the size of high pile knitted fabric.Using electrospinning device by spinning solution
It is injected in the surface of high pile knitted fabric.Since the size of high pile knitted fabric has been shaped, so after jet spinning liquid, profit
In the combination of spinning solution and high pile knitted fabric.The preparation method improves spinning solution and the combination of high pile knitted fabric is firm
Degree so that the air conditioning filter filtrate service life being finally made is long.Above-described embodiment is solves air filting material efficiency and resistance
Contradiction between power provides method.
As preference, for the benefit of injection between electrospinning device and high pile knitted fabric, the step 20）In,
High pile knitted fabric width after stretching is 1700~2000mm.High pile knitted fabric after stretching, fiber are fully extended, and real
The sizing of existing size.The size of high pile knitted fabric after stretching is matched with electrospinning device, to improve ejection efficiency.
As preference, according to the injection dynamics of nozzle in electrospinning device, the step 30）In, plush knitting
The distance of object and electrospinning device is 85~1500mm.When the injection dynamics of nozzle in electrospinning device is stronger, become mildewed
Suede knitted fabric and electrospinning device it is distant.When the injection dynamics of nozzle in electrospinning device is weaker, plush
Knitted fabric and electrospinning device it is closer to the distance.Regardless of the injection dynamics according to nozzle in electrospinning device, electrostatic
Spinning solution can be sprayed to high pile knitted fabric surface by the nozzle of spinning equipment.
As preference, spinning solution is ejected into high pile knitted fabric surface by nozzle.To improve spinning solution and plush
Combination between knitted fabric, the material of the spinning solution are identical with the material of high pile knitted fabric.Since material is identical, so spinning
Silk liquid energy is enough so more preferable that be combined with high pile knitted fabric.
As preference, the step 40）In, according to the total of the quantity of spinning head in electrospinning device and spinneret liquid
High pile knitted fabric with 3.5~15m/min speed is moved, realizes spinneret liquid in the different heap in high pile knitted fabric surface by amount
Product level of coverage.Jet spinning liquid, spinning solution are deposited in high pile knitted fabric surface.When sedimentation superposition the number of plies it is more, spinning
Liquid is bigger to the level of coverage of fabric surface, and porosity is with regard to smaller.Spinning solution superposition degree determine filtrate permeability and
Porosity.The spinning sedimentation of minimum, can not cause fabric surface to cover.Therefore, in this preference, in high pile knitted fabric table
Face forms different accumulation level of coverage.Electrospun nano-fibers are needed because its tensile strength is relatively low by filter media fibre
Tensile strength deposits level of coverage in filter material surface, i.e., how much is the number of plies, influences the permeability and filter efficiency of filtrate.Accumulation
It is more, intensity is bigger, and filter effect is higher, and permeability is poorer.Electrospun nano-fibers are injected in filter material surface collection
Poly-, a round forms a fibrous layer.In order to ensure certain efficiency and permeability and tensile strength, need to accumulation
Level of coverage does one and pre-sets.
As preference, the step 50）Including：Air blower is arranged side by side in the high pile knitted fabric after spinneret covering
Front makes air blower blowing direction, in 90 degree, continuously dry with high pile knitted fabric surface high pile knitted fabric surface；By wind
For high pile knitted fabric after solidization by continuous tunnel furnace high-temperature shaping, movement speed of the high pile knitted fabric in continuous tunnel furnace is 6
~12m/min.In this preference, first, dried using air blower high pile knitted fabric surface, to dry plush knitting
Object.Wherein, air blower blowing direction improves drying efficiency with high pile knitted fabric surface in 90 degree conducive to maximum.It is excellent
Choosing, air blower is 40~90 seconds to the continuous blow-time in high pile knitted fabric surface.Secondly, the high pile knitted fabric after drying
Process of passing through tunnel stove carries out high-temperature shaping.Temperature in the continuous tunnel furnace is 220 DEG C.
Preferably, the step 50）It further includes：After by continuous tunnel furnace, high pile knitted fabric is passed through into two warps
The hot roll of heat-conducting oil heating is shaped, and high pile knitted fabric is coated on hot rolling roller surface in a manner of S types.This step will become mildewed
Suede knitted fabric and its Electrospun nano-fibers layer on surface, hot rolling roller surface is coated in a manner of S types, is carried out by hot roll
Sizing to enhance the engagement fastness of Electrospun nano-fibers layer and high pile knitted fabric, avoids coming off for the two junction.It is quiet
Electrospun nano-fibers layer is that spinning solution is sprayed onto high pile knitted fabric surface by nozzle to be formed.Preferably, the hot roll
Temperature is 350 DEG C, and the rotary speed of hot roll is 15 circles/min, a diameter of 80mm of hot roll.The temperature of hot roll is higher than tunnel
The temperature of road stove.Conduction oil superhigh temperature is quickly handled, and can accelerate to shape, and realizes filtrate dimensional stability, and filtrate is made to realize more
High mechanical property, and it is indeformable.High pile knitted fabric sizing can be realized without using slurry in the step, can be led using slurry
Cause knitted fabric size unstable.This is the process regime of thermal finalization, and sizing set temperature is higher, and fabric fibre more rapidly enters molten
Melt state, sizing speed and effect are also better, and the heat bonding solid state between fiber is more stable.
In the preparation method of above-described embodiment, using under the unstable state before high pile knitted fabric prepattern with Static Spinning
Silk nanofiber combination process.High pile knitted fabric is unsure state before not shaping, and needs mechanically to be in expanding
It is carried out under expanding state compound.Compound preceding expanding is with cloth clamp always without departing from fabric, and otherwise fabric can reply and be retracted to original state.
In addition, Electrospun nano-fibers are to macrovoid fabric surface level of coverage control technology, specifically in step 40）In, it realizes quiet
Electrospun nano-fibers are accumulated in fabric surface to be settled.
The preparation method of above-described embodiment by by high pile knitted fabric by two hot rolls through heat-conducting oil heating into
Row sizing, it is in easily to come off from high pile knitted fabric surface to solve the problems, such as Electrospun nano-fibers.
In the preparation method of above-described embodiment, to be knitted the suede back side as base material, electrostatic spinning nano fiber is sprayed and sunk
Its surface is down to, using the control means of winding speed, injection tip arranging density and hot-rolled temperature, enables electrospun fibers
Enough requirements according to efficiency and Air permenbility, uniform different levels are covered in the knitted fabric back side, to reach high efficiency filter efficiency
With low wind loss, the effect of energy-saving and emission-reduction is realized.
The preparation method of above-described embodiment prepares the base material of filtering material using Electrospun nano-fibers, utilizes nanoscale
Fiber to air-flow by longitudinal slip effect, reduce air-flow by when resistance, make the filtering material block collection dust while,
General fibre is significantly lower than to the pressure loss of air-flow（It is more than micron order）.
The basic principles, main features and advantages of the invention have been shown and described above.Those skilled in the art should
Understand, the present invention do not limited by above-mentioned specific embodiment, the description in above-mentioned specific embodiment and specification be intended merely into
One step illustrates the principle of the present invention, without departing from the spirit and scope of the present invention, the present invention also have various change and
It improves, these changes and improvements all fall within the protetion scope of the claimed invention.The scope of protection of present invention will by right
Ask book and its equivalent thereof.
Claims (9)
1. a kind of preparation method of air conditioning filter filtrate, which is characterized in that the preparation method includes the following steps：
Step 10）Using the fine fiber of polypropylene flame redardant or flame retardant polyester fiber as material, prepare plush using circular knitting machine and be knitted
Object；
Step 20）Using expanding machinery by step 10）The high pile knitted fabric width tension of preparation；
Step 30）The high pile knitted fabric after stretching is transported to by electrospinning device using hitching machinery, plush knitting
Object is opposite with the syringe needle of electrospinning device；
Step 40）Spinning solution is injected in the surface of high pile knitted fabric using electrospinning device；
Step 50）Curing process is carried out to the high pile knitted fabric of jet spinning liquid, so as to which air conditioning filter filtrate be made.
2. the preparation method of air conditioning filter filtrate described in accordance with the claim 1, which is characterized in that the step 20）In, it stretches
High pile knitted fabric width afterwards is 1700~2000mm.
3. the preparation method of air conditioning filter filtrate described in accordance with the claim 1, which is characterized in that the step 30）In, it becomes mildewed
The distance of suede knitted fabric and electrospinning device is 85~1500mm.
4. the preparation method of air conditioning filter filtrate described in accordance with the claim 1, which is characterized in that the step 40）In, spinning
The material of liquid is identical with the material of high pile knitted fabric.
5. the preparation method of air conditioning filter filtrate described in accordance with the claim 1, which is characterized in that the step 40）In, according to
The quantity of spinning head and the total amount of spinneret liquid in electrospinning device move high pile knitted fabric with 3.5~15m/min speed
It is dynamic, realize spinneret liquid in the different accumulation level of coverage in high pile knitted fabric surface.
6. the preparation method of air conditioning filter filtrate described in accordance with the claim 1, which is characterized in that the step 50）Including：It will
Air blower is arranged side by side in the high pile knitted fabric front after spinneret covering, makes air blower blowing direction and high pile knitted fabric table
Face is in 90 degree, is continuously dried high pile knitted fabric surface；
By the high pile knitted fabric after air dry cure by continuous tunnel furnace high-temperature shaping, movement of the high pile knitted fabric in continuous tunnel furnace
Speed is 6~12m/min.
7. according to the preparation method of the air conditioning filter filtrate described in claim 6, which is characterized in that the air blower is to plush
Knitted surfaces blow-time is 40~90 seconds；Temperature in the continuous tunnel furnace is 220 DEG C.
8. according to the preparation method of the air conditioning filter filtrate described in claim 6, which is characterized in that the step 50）Also wrap
It includes：After by continuous tunnel furnace, high pile knitted fabric is shaped by two hot rolls through heat-conducting oil heating, plush needle
Fabric is coated on hot rolling roller surface in a manner of S types.
9. according to the preparation method of air conditioning filter filtrate according to any one of claims 8, which is characterized in that the temperature of the hot roll is
350 DEG C, the rotary speed of hot roll is 15 circles/min, a diameter of 80mm of hot roll.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711268244.8A CN108159788A (en) | 2017-12-05 | 2017-12-05 | A kind of preparation method of air conditioning filter filtrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711268244.8A CN108159788A (en) | 2017-12-05 | 2017-12-05 | A kind of preparation method of air conditioning filter filtrate |
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| Publication Number | Publication Date |
|---|---|
| CN108159788A true CN108159788A (en) | 2018-06-15 |
Family
ID=62524372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711268244.8A Pending CN108159788A (en) | 2017-12-05 | 2017-12-05 | A kind of preparation method of air conditioning filter filtrate |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101732925A (en) * | 2010-01-25 | 2010-06-16 | 江苏菲特滤料有限公司 | Filter material in heating ventilation air conditioning, purifying and dedusting equipment, preparation method thereof and application |
| CN102343185A (en) * | 2010-08-04 | 2012-02-08 | 上海洁润丝新材料股份有限公司 | Non-glue cotton nonwoven filtering material and its preparation method |
| CN104801110A (en) * | 2015-04-17 | 2015-07-29 | 盐城工学院 | Plush and nanometer electrostatic spinning felt composite filter material and preparation method thereof |
| CN106988121A (en) * | 2017-03-30 | 2017-07-28 | 天津工业大学 | A kind of preparation method of fire-retardant polyacrylonitrile fabric |
-
2017
- 2017-12-05 CN CN201711268244.8A patent/CN108159788A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101732925A (en) * | 2010-01-25 | 2010-06-16 | 江苏菲特滤料有限公司 | Filter material in heating ventilation air conditioning, purifying and dedusting equipment, preparation method thereof and application |
| CN102343185A (en) * | 2010-08-04 | 2012-02-08 | 上海洁润丝新材料股份有限公司 | Non-glue cotton nonwoven filtering material and its preparation method |
| CN104801110A (en) * | 2015-04-17 | 2015-07-29 | 盐城工学院 | Plush and nanometer electrostatic spinning felt composite filter material and preparation method thereof |
| CN106988121A (en) * | 2017-03-30 | 2017-07-28 | 天津工业大学 | A kind of preparation method of fire-retardant polyacrylonitrile fabric |
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Application publication date: 20180615 |
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