CN107142534A - A kind of solution jet spinning equipment - Google Patents
A kind of solution jet spinning equipment Download PDFInfo
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- CN107142534A CN107142534A CN201710379201.0A CN201710379201A CN107142534A CN 107142534 A CN107142534 A CN 107142534A CN 201710379201 A CN201710379201 A CN 201710379201A CN 107142534 A CN107142534 A CN 107142534A
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- spinning
- die head
- room
- air
- forming room
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- 238000009987 spinning Methods 0.000 title claims abstract description 180
- 239000000835 fiber Substances 0.000 claims abstract description 65
- 239000000243 solution Substances 0.000 claims abstract description 63
- 238000002347 injection Methods 0.000 claims abstract description 14
- 239000007924 injection Substances 0.000 claims abstract description 14
- 239000004745 nonwoven fabric Substances 0.000 claims description 41
- 239000007789 gas Substances 0.000 claims description 26
- 238000004090 dissolution Methods 0.000 claims description 24
- 238000010438 heat treatment Methods 0.000 claims description 24
- 230000015572 biosynthetic process Effects 0.000 claims description 20
- 239000002904 solvent Substances 0.000 claims description 17
- 238000004804 winding Methods 0.000 claims description 11
- 210000004907 gland Anatomy 0.000 claims description 7
- 238000004458 analytical method Methods 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 4
- 238000001125 extrusion Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 2
- 208000012886 Vertigo Diseases 0.000 description 135
- 229920001410 Microfiber Polymers 0.000 description 20
- 239000003658 microfiber Substances 0.000 description 20
- 229920002239 polyacrylonitrile Polymers 0.000 description 13
- 229920000642 polymer Polymers 0.000 description 13
- 241000209094 Oryza Species 0.000 description 11
- 235000007164 Oryza sativa Nutrition 0.000 description 11
- 235000009566 rice Nutrition 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 239000004744 fabric Substances 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
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- 230000000694 effects Effects 0.000 description 5
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- 239000007788 liquid Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010041 electrostatic spinning Methods 0.000 description 3
- -1 polypropylene Polymers 0.000 description 3
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- 230000001360 synchronised effect Effects 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000002121 nanofiber Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 229920001661 Chitosan Polymers 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
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- 229920002472 Starch Polymers 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000012814 acoustic material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
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- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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Classifications
-
- 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
- D01D5/12—Stretch-spinning methods
- D01D5/14—Stretch-spinning methods with flowing liquid or gaseous stretching media, e.g. solution-blowing
-
- 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
- D01D11/00—Other features of manufacture
-
- 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
- D01D5/04—Dry spinning methods
Abstract
The invention discloses a kind of solution jet spinning equipment, the spinning equipment includes feed arrangement, spinning die head, reception device, spinning manifold, airflow injection device and heater, the spinning manifold includes setting gradually inlet air plenum from top to bottom, forming room and suction room, the inlet air plenum, it is interconnected between forming room and suction room, the heater is located between inlet air plenum and forming room, the reception device is located between forming room and suction room, the spinning die head is located in forming room, several spinneret capillaries are provided with the spinning die head, the spinning die head is obliquely installed, several spinneret capillaries in the spinning die head are provided with angle with horizontal plane, the high pressure draught slenderizing that spinning solution is formed when being extruded through the spinneret capillary in spinning die head by airflow injection device, nano micron fibre is formed in forming room.
Description
Technical field
The invention belongs to spinning equipment technical field, more particularly to a kind of solution jet spinning equipment.
Background technology
Microfibre of receiving refers to diameter below 5 microns or even nano level superfine fibre.Because diameter is small, specific surface area is big
The advantages of, microfibre of receiving is considered as a kind of high-performance, high added value fiber product, in filtering material, heat insulating material, oil suction material
The fields such as material, medical and health, battery separator and acoustic material are widely used, for receiving microfibre and by receiving microfibre system
Into the demand deposited of non-woven cloth constantly increase.
Electrostatic spinning is to prepare one of main path of nanofiber at present, and its core is to make powered spinning solution or molten
Body flows and deformed in the electric field, then the evaporation through solvent or the cooling of melt and solidify, obtain fibrous material；But production
Measure low, high equipment cost and limit electrostatic spinning technique and moved towards the industrialization production from laboratory.Meltblown be realized commercialization,
Most the manufacture method for receiving microfiber nonwoven cloth of scale, there is many Patents technical literatures；Due to raw material melt
Mobile performance requires higher, therefore meltblown is currently limited to adding for a few polymer such as polypropylene, polyester, PLA
Work, and for most polymers such as polyacrylonitrile, Kynoar, cellulose, starch, chitosan etc. if because of fluidity of molten
The reasons such as poor, easy pyrolytic, non-thermal plasticity and can not process.
Solution jet spinning technology is a kind of own novel micro nanometer rice fiber technology of preparing [patent No. in my laboratory
ZL201110041792.3], the technology utilization high velocity air to spinning solution thread carry out it is ultra-fine stretch and make solvent volatilize and
Micro nanometer fiber is prepared, with the spinning efficiency higher than electrostatic spinning.And spinning solution thread is due to by spinning spinning
The turbulent shear effect of box house High Speed Airflow Within and in three-dimensional crimp form and mutually tangling, this method work flow
Short, technique is simple, and condition is easily controlled, and is produced on a large scale；The microfibre average diameter range of receiving of obtained non-woven cloth is
0.01-3 μm, less than the fibre diameter of conventional polypropylene melt-blowing nonwoven, function admirable；Its polymer solution not limit
For processing object, existing melt blown technology can be overcome to the thermoplasticity of raw material and the requirement of high fluidity of molten, with being generally applicable
Property.
In recent years, solution jet spinning method is always using single spraying head spinning equipment, and spinning moulding environment is open,
Throughput rate is extremely low, and spinning process is unstable, and the shaping of fiber is have impact on to a certain extent, it is impossible to meet wanting for large-scale production
Ask.In consideration of it, can more preferably solve industrialization production there is provided a kind of we developed a kind of solution jet spinning equipment
Technical scheme.
The content of the invention
In view of the above-mentioned problems, it is an object of the invention to provide a kind of solution jet spinning equipment, the spinning equipment can be real
The now synchronous spinning of many die heads, forming room is located between inlet air plenum and wind sucting chamber, the one-way gas flow warp of suction room and inlet air plenum formation
The volatilization of solvent in spinning solution can be accelerated during overmolding room, and the nano micron fibre of formation is collected into reception device；
Spinning die head is obliquely installed simultaneously so that the spinning solution thread and horizontal plane formation angle extruded through spinning die head, increases single
To air-flow and spinning solution thread contact surface, it is ensured that the volatilization of solvent is more thorough so that fibre fineness is more uniform.
The present invention solves the technical scheme that is used of above-mentioned technical problem：
A kind of solution jet spinning equipment, the spinning equipment includes feed arrangement, spinning die head and reception device, its feature
Be, the spinning equipment also include spinning manifold, airflow injection device and heater, the spinning manifold include on to
Under set gradually inlet air plenum, forming room and suction room, be interconnected, institute between the inlet air plenum, forming room and suction room
State heater to be located between inlet air plenum and forming room, the reception device is located between forming room and suction room, the spinning
Die head is located in forming room, several spinneret capillaries is provided with the spinning die head, the spinning die head is obliquely installed, described
Several spinneret capillaries in spinning die head form angle with horizontal plane, and spinning solution is through the spinneret capillary in spinning die head
The high pressure draught slenderizing that pipe is formed when extruding by airflow injection device, forms nano micron fibre in forming room, takes out simultaneously
The one-way gas flow of suction-chamber and inlet air plenum formation accelerates the volatilization of solvent in spinning solution, and the nano micron fibre of formation is collected into
In reception device.
As preferred, the airflow injection device includes air accumulator, air compressor machine and air inlet pipe, and the feed arrangement includes
Dissolution kettle, heater box and measuring pump, are provided with front of solution strainer, the forming room between the dissolution kettle and heater box and are provided with
Observation window, the dissolution kettle is provided with heating coil and agitating device.
As preferred, the spinning die head is provided with charging hole and air admission hole, and the charging hole passes through measuring pump and dissolving
Kettle is connected, and several described spinneret capillaries are connected with charging hole, and the spinning solution in the dissolution kettle is entered by charging hole
Enter spinning die head, extruded by spinneret capillary, dynamic analysis of spinning is formed during extrusion, the air admission hole passes through air inlet pipe and air accumulator
It is connected, the gases at high pressure in the air accumulator enter spinning die head by air admission hole, and high pressure draught, the high pressure are formed during ejection
Dynamic analysis of spinning slenderizing is formed nano micron fibre by air-flow.
As preferred, the spinning die head is fixed in forming room by mobile device, and the mobile device is front and rear
Mobile device, the mobile device is provided with gland, and the spinning die head is fixed on the mobile device by gland.
As preferred, the inlet air plenum is provided with air inlet and lower air port, and the lower air port is just to forming room, the leeward
Perforated plate is provided with mouthful, the heater is several heating rods, and the heating rod is located at below lower air port, the suction room
Interior be provided with below wind chamber, the wind chamber upper opening, the wind chamber is provided with several air outlets, and the air outlet passes through induced-draught fan
It is connected with filter, filter cotton is provided with the air outlet.
As preferred, the reception device includes spool, motor, horizontal acceptance frame and the net on horizontal acceptance frame
Curtain, the wind chamber is located at below horizontal acceptance frame, and the spool is driven by motor and rotated, and the spool and motor are equipped with two
Individual, respectively symmetrically positioned at spinning manifold both sides, winding is provided with non-woven fabrics between two spools, and the non-woven fabrics in forming room is tight
Paste lace curtaining to set, the lace curtaining winding is by two rotating rollers, and two rotating rollers are erected at horizontal acceptance frame two ends, the spool
Below rotating roller, pressure roller is provided with above the lace curtaining, the non-woven fabrics passes through between pressure roller and lace curtaining, in forming room's shape
Into nano micron fibre in the presence of suction room, be collected on non-woven fabrics, under the drive of non-woven fabrics, winding collect volume
On axle.
As preferred, heater box and heating rod are electrically connected with protection switch.
As preferred, the spinning die head is provided with several, and several described spinning die heads uniformly form a line, each
Spinning die head is connected with feed arrangement, airflow injection device respectively.
It is arranged in parallel between several described spinneret capillaries as preferred.
As preferred, several spinneret capillaries are 15 ° -60 °, optimal case with the angular range of horizontal plane formation
For 45 °.
The advantage of the invention is that：
1st, the synchronous spinning of many die heads can be realized, forming room is located between inlet air plenum and wind sucting chamber, suction room and inlet air plenum
The one-way gas flow of formation can accelerate the volatilization of solvent in spinning solution when passing through forming room, and the nano micron fibre of formation is received
Collect in reception device.
2nd, in order to preferably by nano micron fibre collect on non-woven fabrics, we below lace curtaining be provided with wind chamber, and it
Preceding we use vacuum chamber, relative to vacuum chamber, and wind chamber can equally realize that cohesion of the nano micron fibre on non-woven fabrics is collected,
And the advantage of wind chamber is low for equipment requirements, cost is low, is easier to realize, is easy to Industry Promotion, is set out under wind chamber
Air port, it is ensured that the non-woven fabrics air draught uniformity at lace curtaining.
3rd, the nano micron fibre obtained in the present invention is collected on non-woven fabrics, under the drive of non-woven fabrics, winding
Collect on spool, complete after spinning, remove non-woven fabrics from spool, the later stage according to actual needs can be micro- to receiving on non-woven fabrics
Rice fiber is stripped, and the non-woven fabrics in the present invention is arranged on above lace curtaining, and lace curtaining is played a supporting role, and non-woven fabrics is as direct
Lace curtaining is received, advantage is to be easy to arrange, preserved, and cost is relatively low, and non-woven fabrics is ventilative, so that one-way gas flow will not be stopped
Flow downward.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is that (arrow is the flow direction of one-way gas flow to front view of the invention in figure, and dotted line is the micro-nano fibre of shaping
Dimension).
Fig. 2 is left view of the invention.
Fig. 3 is attachment structure schematic diagram of the invention.
Fig. 4 is the flow direction of spinning solution.
The stereoscan photograph figure of the PAN nano micron fibre non-woven cloths prepared in Fig. 5 embodiments 2.
The stereoscan photograph figure of the PAN nano micron fibre non-woven cloths prepared in Fig. 6 embodiments 3.
The stereoscan photograph figure of the PAN nano micron fibre non-woven cloths prepared in Fig. 7 embodiments 4.
The stereoscan photograph figure of the PAN nano micron fibre non-woven cloths prepared in Fig. 8 embodiments 5.
Wherein：1st, inlet air plenum 2, forming room 3, suction room 4, heater
5th, reception device 6, spinning die head 7, air accumulator 8, air compressor machine
9th, air inlet pipe 10, dissolution kettle 11, heater box 12, measuring pump
13rd, solution strainer 14, observation window 15, heating coil 16, agitating device
17th, air inlet pipe 18, mobile device 19, gland 20, air inlet
21st, wind chamber 22, air outlet 23, induced-draught fan 24, filter
25th, spool 26, motor 27, horizontal acceptance frame 28, lace curtaining
29th, non-woven fabrics 30, rotating roller 31, pressure roller 32, lower air port 33, perforated plate
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than indicate or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicating or implying relative importance.
Embodiment 1
A kind of solution jet spinning equipment, the spinning equipment includes feed arrangement, spinning die head and reception device, the spinning
Silk equipment also includes spinning manifold, airflow injection device and heater, and the spinning manifold includes setting gradually from top to bottom
Inlet air plenum 1, forming room 2 and suction room 3, are interconnected, the heating dress between the inlet air plenum, forming room and suction room
Put 4 to be located between inlet air plenum and forming room, the reception device 5 is located between forming room and suction room, the spinning die head 6
In in forming room, several spinneret capillaries (not marking spinneret capillary in figure), the spinneret are provided with the spinning die head
The quantity of capillary is arranged in parallel between several described spinneret capillaries between 80-140.The spinning
Die head 6 is obliquely installed, and several spinneret capillaries in the spinning die head form angle with horizontal plane, and angle is preferably
45 °, the high pressure draught formed when spinning solution is extruded through the spinneret capillary in spinning die head by airflow injection device stretches thin
Change, nano micron fibre is formed in forming room, while molten in suction room and the one-way gas flow acceleration spinning solution of inlet air plenum formation
The volatilization of agent, and the nano micron fibre of formation is collected into reception device.
The airflow injection device includes air accumulator 7, air compressor machine 8 and air inlet pipe 9, and the feed arrangement includes dissolution kettle
10th, heater box 11 and measuring pump 12, are provided with solution strainer 13, the dissolution kettle 10 between the dissolution kettle 10 and heater box 11
Positioned at the rear of forming room 2, the front of forming room 2 is provided with observation window 14, and the dissolution kettle 10 is provided with heating coil 15 and stirs
Mix device 16.
Several described spinning die heads are uniformly formed a line, and each spinning die head is filled with feed arrangement, jet-impingement respectively
Put connected, then when many spinning die heads are set, each die head works independently, be independent feed liquor, independent air inlet, mutually not
Interference can be produced, it is ensured that the independence of each spinning die head work；The spinning die head 6 is provided with charging hole and air admission hole, institute
State charging hole by measuring pump 12 with dissolution kettle 10 to be connected, several described spinneret capillaries are connected with charging hole, described molten
Spinning solution in solution kettle enters spinning die head by charging hole, is extruded by spinneret capillary, dynamic analysis of spinning is formed during extrusion,
The air admission hole is connected by air inlet pipe 17 with air accumulator 7, and the gases at high pressure in the air accumulator enter spinning by air admission hole
Die head, forms high pressure draught during ejection, dynamic analysis of spinning slenderizing is formed nano micron fibre by the high pressure draught.
The spinning die head 6 is fixed in shaping Room 2 by mobile device 18, and the mobile device 18 is movable dress
Put, the mobile device 18 is provided with gland 19, the spinning die head 6 is fixed in mobile device 18 by gland 19.
The inlet air plenum 1 is provided with air inlet 20 and lower air port 32, and the lower air port 32 is just to forming room 2, the lower air port
Perforated plate 33 is provided with 32, the setting of perforated plate ensure that " wind " into forming room has good uniformity, described to add
Thermal 4 is several heating rods, and the heating rod, which is located in the lower lower section of air port 32, the suction room, is provided with wind chamber 21, described
The upper opening of wind chamber 21, the lower section of wind chamber 21 is provided with several air outlets 22, and the air outlet 22 passes through induced-draught fan 23 and mistake
Filter device 24 to be connected, be provided with filter cotton at the air outlet 22, the setting of the filter cotton has been carried out tentatively to the wind pumped out
Filtering, enter back into filter and carry out profound filtering, so as to ensure that the feature of environmental protection of discharge.
The reception device includes spool 25, motor 26, horizontal acceptance frame 27 and the lace curtaining on horizontal acceptance frame 27
28, the wind chamber 21 is located at the horizontal lower section of acceptance frame 27, and the spool 25 is driven by motor 26 and rotated, the spool 25 and electricity
Machine 26 is equipped with two, respectively symmetrically positioned at spinning manifold both sides, between two spools 25 winding be provided with non-woven fabrics 29, positioned at into
Non-woven fabrics 29 in type room is close to lace curtaining 28 and set, and the winding of lace curtaining 28 passes through two rotating rollers 30, two framves of rotating roller 30
The horizontal two ends of acceptance frame 27 are located at, the spool 25 is located at the lower section of rotating roller 30, and the top of lace curtaining 28 is provided with pressure roller 31, described
Non-woven fabrics 29 passes through between pressure roller 31 and lace curtaining 28, forming room formed nano micron fibre in the presence of suction room, quilt
Collect on non-woven fabrics, under the drive of non-woven fabrics, winding is collected on spool.
The heater box and heating rod are electrically connected with protection switch.
Forming room's length of the present embodiment is between 1.2-1.5 meters, and width is between 1-1.2 meters, highly at 1.3-1.5 meters
Between, but this sized data is not limited to, the size of forming room, spinning die head can be accordingly adjusted according to the quantity of spinning die head
Positioned at forming room upper left side, because spinning die head is obliquely installed, then the spinneret capillary on spinning die head is pressed from both sides with horizontal plane formation
Angle, the then spinning solution extruded on spinning die head by spinneret capillary is also to tilt to spray, in the present embodiment, spinning die head
The upper left side of forming room is arranged on, so that the nano micron fibre formed by high pressure draught slenderizing flows from the upper left side of forming room
The right side of horizontal acceptance frame is moved, nano micron fibre is banking motion in forming process, has certain with horizontal acceptance frame
Atmosphere wind in angle, forming room, is the one-way gas flow of vertical downward movement in the presence of lower section air outlet and induced-draught fan,
Spinning die head is all vertically arranged before, and nano micron fibre is the atmosphere in vertical downward movement, forming room in forming process
Wind is consistent with the direction of motion of nano micron fibre, it is impossible to realize that atmosphere wind is contacted with the effective of nano micron fibre, in the present invention,
The direction of motion of nano micron fibre and the atmosphere wind of one-way gas flow have certain angle, and beneficial effect is：In limited space
Interior increase nano micron fibre forming stroke, it is ensured that solvent volatilization is more thorough in spinning solution；The motion side of nano micron fibre
There is certain angle to the atmosphere wind with one-way gas flow, increase nano micron fibre and the contact surface of one-way gas flow, on the one hand may be used
With make it that solvent in spinning solution volatilizees more thoroughly, be on the other hand so that the nano micron fibre to be formed has preferably
Evenness.Similarly, spinning die head can also be arranged on the upper right side of forming room.
The heating of two steps has been carried out to spinning solution, has been the heating of the heating coil of dissolution kettle first, accelerates the molten of solute
Solution, improves the uniformity of spinning solution；It is, when spinning solution flows through heater box, to be heated again again, is added by setting
Hot tank, considerably increases spinning solution concentration, spinning speed is improved to a certain extent, while obtained fibre fineness is more equal
It is even.
The high pressure draught slenderizing formed when spinning solution is extruded through spinning die head by airflow injection device, in forming room
Interior formation nano micron fibre, while suction room and the one-way gas flow of inlet air plenum formation accelerate the volatilization of solvent in spinning solution, and
The nano micron fibre of formation is collected into reception device.Two " wind " set in this equipment, are high pressure draught and list respectively
To air-flow, high pressure draught sprays from die head, by the spinning solution slenderizing of synchronous extruding spinning die head；One-way gas flow is in shaping
Indoor formation atmosphere wind, accelerates the volatilization of solvent in spinning solution, it is ensured that the uniformity of shaping fiber, further improves fiber
Fineness, and the nano micron fibre of formation is collected into reception device；The two " wind " can all be heated, high pressure draught
Heating is realized in heating when it flows through heater (not marked in figure), and the heating of one-way gas flow is realized when it flows through heating rod to be added
Heat, preliminary temperature can determine that actual temp is needed according to multiple Spinning according to the volatility of spinning solution solvent for use
To determine.Heater and heating rod are electrically connected with protection switch, when no air-flow by when, protection switch can cause heater
Stop heating work with heating rod, it is ensured that security.
Due to the fineness problem of nano micron fibre, therefore all it is that the nano micron fibre of formation is deposited to receipts in the prior art
Collect on lace curtaining, the later stage is peeled off again, most collection lace curtaining material is masking foil, such collection lace curtaining cost is higher, no
It is easy to maintain, be not suitable for applying when industrialization production, therefore, the nano micron fibre obtained in the present invention is to be collected into non-woven fabrics
On, under the drive of non-woven fabrics, winding is collected on spool, is completed after spinning, is removed non-woven fabrics from spool, the later stage according to
Being actually needed can be stripped to the nano micron fibre on non-woven fabrics, and the non-woven fabrics in the present invention is arranged on above lace curtaining, lace curtaining
Play a supporting role, non-woven fabrics is to be easy to arrange, preserved as lace curtaining, advantage is directly received, and cost is relatively low, and non-woven fabrics is
Ventilative, so that flowing downward for one-way gas flow will not be stopped；In order to which preferably nano micron fibre is collected on non-woven fabrics, I
Wind chamber is provided with below lace curtaining, and we use vacuum chamber before, relative to vacuum chamber, wind chamber can equally realize receive it is micro-
Cohesion of the rice fiber on non-woven fabrics is collected, and the advantage of wind chamber is low for equipment requirements, and cost is low, is easier to realize,
It is easy to Industry Promotion, air outlet is divided into wind chamber, it is ensured that the non-woven fabrics air draught uniformity at lace curtaining, can be according to industrialization
Demand, at any time to shaping chamber size be adjusted, the uniformity of the non-woven fabrics air draught at lace curtaining can be ensured.
One spinning die head is installed, its spinneret number of capillaries is 120, by this equipment, our spinning speed from
5 Grams Per Hours of open single spraying head, have brought up to 550 Grams Per Hours before, increase the quantity of spinning die head, and yield is accordingly at double
Increase.
Embodiment 2
One spinning die head is installed, spinning is carried out by the present invention, by polymer poly acrylonitrile (PAN) with mass fraction
15% ratio is dissolved in DMA, is stirred 30-60 minutes and is well mixed in dissolution kettle, spinning is made molten
Liquid, spinning parameter is：Drawing-off blast for forming high pressure draught is 2.6bar, and the temperature of the high pressure draught is 45 DEG C, spinning
Speed 207ml/h, the air draught blast for forming one-way gas flow is 4413.6pa, and the temperature of the one-way gas flow is room temperature, spinning
During dissolution kettle temperature keep 40 DEG C, high pressure draught stretch spinning solution thread, solvent volatilizees to form nano micron fibre, received micro-
Rice fiber is collected on non-woven fabrics under high speed jet-stream wind and suction airstream effect, that is, polymer nano microfiber nonwoven is made
Cloth.
Using the microfibre of receiving obtained by SEM radiographic measurements, gained receives the diameter of microfibre and is concentrated mainly on 350-450 and receives
Between rice, fibre fineness is more uniform.
Embodiment 3
One spinning die head is installed, spinning is carried out by the present invention, by polymer poly acrylonitrile (PAN) with mass fraction
20% ratio is dissolved in DMA, is stirred 30-60 minutes and is well mixed in dissolution kettle, spinning is made molten
Liquid, spinning parameter is：Drawing-off blast for forming high pressure draught is 2.6bar, and the temperature of the high pressure draught is 45 DEG C, spinning
Speed 276ml/h, the air draught blast for forming one-way gas flow is 4413.6pa, and the temperature of the one-way gas flow is room temperature, spinning
During dissolution kettle temperature keep 40 DEG C, high pressure draught stretch spinning solution thread, solvent volatilizees to form nano micron fibre, received micro-
Rice fiber is collected on non-woven fabrics under high speed jet-stream wind and suction airstream effect, that is, polymer nano microfiber nonwoven is made
Cloth.
Using the microfibre of receiving obtained by SEM radiographic measurements, gained receives the diameter of microfibre and is concentrated mainly on 700-800 and receives
Between rice, fibre fineness is more uniform.
Embodiment 4
One spinning die head is installed, spinning is carried out by the present invention, by polymer poly acrylonitrile (PAN) with mass fraction
15% ratio is dissolved in DMA, is stirred 30-60 minutes and is well mixed in dissolution kettle, spinning is made molten
Liquid, spinning parameter is：Drawing-off blast for forming high pressure draught is 2.8bar, and the temperature of the high pressure draught is 45 DEG C, spinning
Speed 207ml/h, the air draught blast for forming one-way gas flow is 4413.6pa, and the temperature of the one-way gas flow is room temperature, spinning
During dissolution kettle temperature keep 40 DEG C, high pressure draught stretch spinning solution thread, solvent volatilizees to form nano micron fibre, received micro-
Rice fiber is collected on non-woven fabrics under high speed jet-stream wind and suction airstream effect, that is, polymer nano microfiber nonwoven is made
Cloth.
Using the microfibre of receiving obtained by SEM radiographic measurements, gained receives the diameter of microfibre and is concentrated mainly on 250-350 and receives
Between rice, fibre fineness is more uniform.
Embodiment 5
One spinning die head is installed, spinning is carried out by the present invention, by polymer poly acrylonitrile (PAN) with mass fraction
20% ratio is dissolved in DMA, is stirred 30-60 minutes and is well mixed in dissolution kettle, spinning is made molten
Liquid, spinning parameter is：Drawing-off blast for forming high pressure draught is 3.0bar, and the temperature of the high pressure draught is 45 DEG C, spinning
Speed 276ml/h, the air draught blast for forming one-way gas flow is 4413.6pa, and the temperature of the one-way gas flow is room temperature, spinning
During dissolution kettle temperature keep 40 DEG C, high pressure draught stretch spinning solution thread, solvent volatilizees to form nano micron fibre, received micro-
Rice fiber is collected on non-woven fabrics under high speed jet-stream wind and suction airstream effect, that is, polymer nano microfiber nonwoven is made
Cloth.
Using the microfibre of receiving obtained by SEM radiographic measurements, gained receives the diameter of microfibre and is concentrated mainly on 550-700 and receives
Between rice, fibre fineness is more uniform.
In the above description, preparation method of the present invention determines various listed characteristic ginsengs using following method of testing
Number.
1. spinning solution concentration：Polymer quality and solvent quality are weighed with electronic balance respectively, polymer quality is calculated
Account for the percentage of gross mass.
2. receive microfiber diameter：Observed, measured by SEM, for each microfiber article sample of receiving
Product, the diameter of 100 fibers of measurement provides its average diameter range.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. a kind of solution jet spinning equipment, the spinning equipment includes feed arrangement, spinning die head and reception device, its feature exists
In the spinning equipment also includes spinning manifold, airflow injection device and heater, and the spinning manifold is included from top to bottom
Set gradually inlet air plenum, forming room and suction room, be between the inlet air plenum, forming room and suction room it is interconnected, it is described
Heater is located between inlet air plenum and forming room, and the reception device is located between forming room and suction room, the spinning mould
Head is located in forming room, and several spinneret capillaries are provided with the spinning die head, and the spinning die head is obliquely installed, described to spin
Several spinneret capillaries in silk die head form angle with horizontal plane, and spinning solution is through the spinneret capillary in spinning die head
The high pressure draught slenderizing formed during extrusion by airflow injection device, forms nano micron fibre in forming room, aspirates simultaneously
The one-way gas flow of room and inlet air plenum formation accelerates the volatilization of solvent in spinning solution, and the nano micron fibre of formation is collected into connect
On receiving apparatus.
2. a kind of solution jet spinning equipment according to claim 1, it is characterised in that the airflow injection device includes
Air accumulator, air compressor machine and air inlet pipe, the feed arrangement include dissolution kettle, heater box and measuring pump, the dissolution kettle and heating
It is provided between case in front of solution strainer, the forming room and is provided with observation window, the dissolution kettle is provided with heating coil and stirring
Device.
3. a kind of solution jet spinning equipment according to claim 2, it is characterised in that the spinning die head is provided with charging
Hole and air admission hole, the charging hole are connected by measuring pump with dissolution kettle, and several described spinneret capillaries are connected with charging hole
Logical, the spinning solution in the dissolution kettle enters spinning die head by charging hole, is extruded, is formed during extrusion by spinneret capillary
Dynamic analysis of spinning, the air admission hole is connected by air inlet pipe with air accumulator, and the gases at high pressure in the air accumulator are entered by air admission hole
Enter spinning die head, high pressure draught is formed during ejection, dynamic analysis of spinning slenderizing is formed nano micron fibre by the high pressure draught.
4. a kind of solution jet spinning equipment according to claim 1, it is characterised in that the spinning die head passes through movement
Device is fixed in forming room, and the mobile device is movable device, and the mobile device is provided with gland, the spinning
Silk die head is fixed on the mobile device by gland.
5. a kind of solution jet spinning equipment according to claim 1, it is characterised in that the inlet air plenum is provided with air inlet
With lower air port, the lower air port is provided with perforated plate just to forming room at the lower air port, the heater heats for several
Rod, the heating rod is located at below lower air port, is provided with the suction room under wind chamber, the wind chamber upper opening, the wind chamber
Side is provided with several air outlets, and the air outlet is connected by induced-draught fan with filter, and filtering is provided with the air outlet
Cotton.
6. a kind of solution jet spinning equipment according to claim 5, it is characterised in that the reception device includes volume
Axle, motor, horizontal acceptance frame and the lace curtaining on horizontal acceptance frame, the wind chamber are located at below horizontal acceptance frame, the volume
Axle is driven by motor and rotated, and the spool and motor are equipped with two, respectively symmetrically positioned at spinning manifold both sides, two spools
Between winding be provided with non-woven fabrics, the non-woven fabrics in forming room is close to lace curtaining setting, and lace curtaining winding passes through two rotations
Roller, two rotating rollers are erected at horizontal acceptance frame two ends, and the spool is located at below rotating roller, provided with pressure above the lace curtaining
Roller, the non-woven fabrics passes through between pressure roller and lace curtaining, forming room formed nano micron fibre in the presence of suction room, quilt
Collect on non-woven fabrics, under the drive of non-woven fabrics, winding is collected on spool.
7. a kind of solution jet spinning equipment according to claim 2 or 5, it is characterised in that heater box and heating rod are equal
Electrically connected with protection switch.
8. a kind of solution jet spinning equipment according to claim 1, it is characterised in that the spinning die head is provided with some
Individual, several described spinning die heads uniformly form a line, each spinning die head respectively with feed arrangement, airflow injection device phase
Even.
9. a kind of solution jet spinning equipment according to claim 1, it is characterised in that several described spinneret capillaries
Between be arranged in parallel.
10. the jet spinning equipment of solution always according to claim 1, it is characterised in that several spinneret capillaries are equal
Angular range with horizontal plane formation is 15 ° -60 °.
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| CN108396390A (en) * | 2018-03-26 | 2018-08-14 | 深圳维度新材料有限公司 | A kind of preparation facilities of nano material |
| CN108866668A (en) * | 2018-05-28 | 2018-11-23 | 泽塔纳米科技（苏州）有限公司 | A kind of nano flame-retardant fiber and preparation method thereof |
| CN109137131A (en) * | 2018-09-04 | 2019-01-04 | 江苏科来材料科技有限公司 | The modified antibacterial degradable nanofiber of solution gunite and its application in air filtration |
| CN109234919A (en) * | 2018-10-24 | 2019-01-18 | 南京捷纳思新材料有限公司 | A kind of gas blowout microfluidic device being used to prepare nanofiber and technique |
| CN109537068A (en) * | 2018-12-19 | 2019-03-29 | 上海固甲新材料科技有限公司 | A kind of liquid spray device for spinning |
| CN110592728A (en) * | 2019-10-09 | 2019-12-20 | 中国科学院山西煤炭化学研究所 | Method for preparing polyacrylonitrile-based carbon fiber precursor by dry-wet method |
| CN112090289A (en) * | 2020-09-15 | 2020-12-18 | 苏州足迹自动化设备有限责任公司 | Device and process for preparing hollow fiber membrane by spinning hollow fiber yarns |
| CN112411020A (en) * | 2020-11-24 | 2021-02-26 | 浙江熔聚装备科技有限公司 | Energy-saving device and non-woven fabric manufacturing equipment |
| CN113802193A (en) * | 2021-10-27 | 2021-12-17 | 江南大学 | Solution jet spinning device and application thereof in preparation of nanofiber membrane |
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| CN109137131A (en) * | 2018-09-04 | 2019-01-04 | 江苏科来材料科技有限公司 | The modified antibacterial degradable nanofiber of solution gunite and its application in air filtration |
| CN109137131B (en) * | 2018-09-04 | 2021-08-06 | 江苏科来材料科技有限公司 | Solution spraying method modified antibacterial degradable nanofiber and application thereof in air filtration |
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| CN109537068A (en) * | 2018-12-19 | 2019-03-29 | 上海固甲新材料科技有限公司 | A kind of liquid spray device for spinning |
| CN110592728A (en) * | 2019-10-09 | 2019-12-20 | 中国科学院山西煤炭化学研究所 | Method for preparing polyacrylonitrile-based carbon fiber precursor by dry-wet method |
| CN112090289A (en) * | 2020-09-15 | 2020-12-18 | 苏州足迹自动化设备有限责任公司 | Device and process for preparing hollow fiber membrane by spinning hollow fiber yarns |
| CN112411020A (en) * | 2020-11-24 | 2021-02-26 | 浙江熔聚装备科技有限公司 | Energy-saving device and non-woven fabric manufacturing equipment |
| CN113802193A (en) * | 2021-10-27 | 2021-12-17 | 江南大学 | Solution jet spinning device and application thereof in preparation of nanofiber membrane |
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Effective date of registration: 20231007 Address after: Building 4, No. 980 Pinghai Road, Lingang New Area, China (Shanghai) Pilot Free Trade Zone, Pudong New Area, Shanghai, 200000 Patentee after: Shanghai Rongrong New Material Technology Co.,Ltd. Address before: No. 399, Binshui West Road, Xiqing District, Tianjin Patentee before: TIANJIN POLYTECHNIC University |