CN104630913A - Spray cooling method for melt-blown non-woven production and device thereof - Google Patents
Spray cooling method for melt-blown non-woven production and device thereof Download PDFInfo
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- CN104630913A CN104630913A CN201510060215.7A CN201510060215A CN104630913A CN 104630913 A CN104630913 A CN 104630913A CN 201510060215 A CN201510060215 A CN 201510060215A CN 104630913 A CN104630913 A CN 104630913A
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- 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
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
- D01D5/0885—Cooling filaments, threads or the like, leaving the spinnerettes by means of a liquid
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- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
The invention relates to a spray cooling method for melt-blown non-woven production and a device thereof. The device comprises a first filter, a stirring tank, a gear motor, a self sucking pump, second filters, a pressure reducing filter, a water distributor, an air distributor and nozzles. The nozzles are installed on the positions where the nozzles are centrally symmetric with a production line in the X-shaft direction, the vertical distance in the spinning direction between the nozzles and spinning plate gaps in the Y-shaft direction is 210mm, the distance between the nozzles with the bottoms of spinning plates in the Z-shaft direction is 35mm, and the direction of the spray angle is perpendicular to the direction of the spinning. The invention further relates to a spray cooling method. Cooling is carried out on superfine fiber in melt-blown non-woven production by using the spray cooling device. Compared with the prior art, the spray cooling method for melt-blown non-woven production and the device thereof can reduce the cost, and energy saving of 783.5 Kwh/T can be achieved; in the spray process, annexing agents are added into a solution so that the product performance is improved and product application range is widened and the like.
Description
Technical field
The present invention relates to a kind of Spray Way for melt blown non-woven production and device thereof, belong to fabrics for industrial use technical field.
Background technology
Melt blown non-woven is non-weaving cloth one wherein.The technique of melt blown non-woven is: adopt high velocity, hot air stream to carry out drawing-off to the polymer melt stream that die head spinneret orifice is extruded, form superfine fibre thus and be collected on solidifying lace curtaining or cylinder, self be bonded as melt blown non-woven simultaneously.The technological process of melt-blowing nonwoven is: melt preparation-filtration-metering-melt is extruded-melt stream drawing-off and cooling-become net from spinneret orifice.The main feature of melt blown non-woven is: fibre fineness is less, is usually less than 10 μm, and the fineness of most of fiber is at 1 ~ 4 μm.Melt blown non-woven mainly can be used as filtering material, medical and health use material, environment conscious material, dress materials or battery diaphragm material.
The cooling present situation that melt blown non-woven is produced is: the type of cooling popular in industry at present mainly air-conditioning cooling, namely at employing high velocity, hot air stream, drawing-off is carried out to the polymer melt stream that die head spinneret orifice is extruded, form superfine fibre thus and being collected in the process on solidifying lace curtaining or cylinder, when melt becomes melt-blowing nonwoven, temperature is down to 60 DEG C by 240 DEG C, by brushing air-conditioning cold wind between die head and solidifying lace curtaining, superfine fibre being cooled.Its air conditioner operation parameters is: blow 24 DEG C, and freezing unit enters 15.3 DEG C, water, water outlet 12.9 DEG C; Air-conditioning equipment parameter is: freezing unit 21.5x2Kw, refrigerating capacity 66Kw.Pressure fan blast 1800Pa, air quantity 12000m
3/ h, power 11Kw; Circulating chilled water pipeline pump power 4Kw.But there are the following problems for above-mentioned air-conditioning quenching: cost is high, product technology performance improvement not enough; Design of air conditioning install (refrigeration unit outfit, wind cabinet, commissioning test) and operating cost high; Additive does not join in product by cold wind.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of Spray Way for melt blown non-woven production and device thereof.
To achieve the above object, the invention provides a kind of spray cooling device produced for melt blown non-woven, comprising: the first filter, agitator tank, reducing motor, self priming pump, the second filter, vacuum filter, water dispenser, gas distributor, nozzle; Described agitator tank is provided with one first filter and a reducing motor, and described agitator tank is connected to one end of self priming pump, one end of described first filter is provided with the water inlet that watering enters, the other end of described self priming pump is connected to one end of the second filter arranged side by side, the other end of described second filter is connected to one end of a water meter, the other end of described water meter is connected to a manometric one end, and the described manometric other end is connected to described water dispenser; One end of described vacuum filter is provided with the air inlet that air supply source enters, and the other end of described vacuum filter is connected to described gas distributor, and described gas distributor and described water dispenser are connected with described nozzle respectively; And the installation site of described nozzle is X-direction and production line (receive and hold in the palm lace curtaining) Central Symmetry, the vertical range 210mm in Y direction nozzle and Pen Si direction, spinnerets gap, Z-direction nozzle and spinnerets bottom surface distance 35mm, its spray angle is vertical with spray silk direction.
Further, be equiped with impeller in wherein said agitator tank, the specification of described agitator tank is Φ 800x1200, and the specification of described impeller is Φ 420x50.
Further, wherein said first filter is provided with one first ball valve; The below of described agitator tank is provided with one second ball valve; One the 3rd ball valve is also provided with between described agitator tank and self priming pump; One the 4th ball valve and one the 5th ball valve is provided with between described self priming pump and described second filter; And between described second filter and described water meter, be provided with another 5th ball valve; Described vacuum filter is provided with one the 6th ball valve; A pressure-reducing valve is provided with between described water meter and described Pressure gauge; Be provided with gas choke valve between described gas distributor and described nozzle, between described water dispenser and described nozzle, be provided with water choke valve.
Further, wherein said first filter is SMJ-J accurate filter; Described second filter is 3/4 Y type filter; Described vacuum filter is three linked piece 498(3/4), to reduce blocking, wherein mainly water filtration, has silt, suspended matter, impurity, pipeline pollution etc. in running water.Adopt bag fusion spray cloth (bag fusion spray cloth is to improve filtering accuracy) on Y3/4 type light water filter skeleton, added two filters, effectiveness comparison is obvious.But have plug nozzle phenomenon, think it is that filter area is less than normal, so increase again and have employed the SMJ-J accurate filter that filter area is comparatively large and precision is higher, accuracy selection >=0.1 μm.
Further, wherein said second ball valve, the 3rd ball valve, the 4th ball valve, the 5th ball valve are 3/4 ball valve; Described 6th ball valve is 1/2 ball valve; Described gas choke valve, water choke valve are one-way throttle valve, wherein the model QTJS8-02S of gas choke valve, and the model of water choke valve is ASC-08.
Further, the material of wherein said water, gas distributor is Φ 60 stainless steel (so that stablize the gentle expulsion pressure of water and flow, the volume according to flow determination water, gas distributing pipe), and its internal structure is cylindrical shape.
Further, the pressure of wherein said source of the gas is 0.8Mpa.
Further, wherein said nozzle is the outer mix nozzle of fan-shaped air atomizing, and its model is BL-1/4/J-SS.
Further, the distance between wherein said nozzle is 100mm, and quantity is 18 (being determined according to fabric width, spray amount).
Further, the specification of wherein said reducing motor is BD1-17-1.5, speed reducing ratio 17, power of motor 1.5Kw;
Described self priming pump is the self-priming clarified water pump of 1ZDB45, power 550W, flow 0.5-3.5m
3/ h, lift 45m.
To achieve the above object, the present invention also provides a kind of method of misting cooling, comprises the following steps:
1) polypropylene chip is sent into screw extruder through feeding hopper, through screw extruder make its in 230-240 DEG C of melting be melt;
2), after through screen pack removing impurity and by the accurate measurement of measuring pump, melt is delivered continuously on spinnerets;
3), after fiber ejection, the warm-air pipe that spinnerets two sides are installed carries out air drawing with high velocity, hot air to it at once, and it is blown out superfine fibre;
4) spraying sprayed by the nozzle of above-mentioned spray cooling device, to its cooling down, is made it form fibre deposition net and is adsorbed on and receives on holder lace curtaining, inter-adhesive between fiber afterwards and become the melt blown non-woven with some strength.
The beneficial effect that the present invention has relative to prior art is:
1, can reduce costs: per ton energy-conservation: 783.5Kwh/T;
2, in spray process, in solution, add additive (penetrant JFC-2 solution concentration 4%), properties of product can be improved, expand Application Areas, open up its development prospect etc.
Accompanying drawing explanation
Fig. 1 is the front view of the spray cooling device that the present invention produces for melt blown non-woven;
Fig. 2 is the A-A sectional view of nozzle segment in Fig. 1;
Fig. 3 is the principle schematic that spray cooling device of the present invention carries out misting cooling;
Wherein, comprising: water source-1; First ball valve-2; First filter-3; Agitator tank-4; Impeller-5; Second ball valve-6; Reducing motor-7; 4th ball valve-8; Self priming pump-9; 3rd ball valve-10A; 5th ball valve-11; Second filter-12; Water meter-13; Pressure-reducing valve-14; Pressure gauge-15; Source of the gas-16; 6th ball valve-17; Vacuum filter-18; Water dispenser-19; Gas distributor-20A; Gas choke valve-21; Water choke valve-22; Nozzle-23; Distance-d1; Distance-d2;
Feeding hopper-10; Screw extruder-20; Screen pack-30; Measuring pump-40; Warm-air pipe-50; Spinnerets-60; Spray cooling device-70; Support-80; Receive holder lace curtaining-90; Clap suction pipe-100.
Detailed description of the invention
In order to there be understanding clearly to technical characteristic of the present invention, object and beneficial effect, existing following detailed description is carried out to technical scheme of the present invention, but can not be interpreted as to of the present invention can the restriction of practical range.
Below in conjunction with detailed description of the invention, the invention will be further described.
Embodiment 1
As Fig. 1, shown in Fig. 2, a kind of spray cooling device 70(for melt blown non-woven production is hereinafter referred to as spray cooling device 70), comprise: the first filter 3(SMJ-J accurate filter), agitator tank 4(diameter of phi 800x height 1200), reducing motor 7(model is BD1-17-1.5), self priming pump 9(model is 1ZDB45, self priming pump is selected to be because liquid produces eddy current or air in whipping process, affect suction and the water supply thereof of pump), second filter 12(3/4 Y type filter), vacuum filter 18(498 vacuum filter), water dispenser 19(Φ 60 stainless steel, internal structure is cylindrical shape), gas distributor 20A(Φ 60 stainless steel, internal structure is cylindrical shape), nozzle 23(model is BL-1/4/J-SS), described agitator tank 4 is provided with the first filter 3 and reducing motor 7, impeller 5(diameter of phi 420x width 50 is equiped with) in described agitator tank 4, described first filter 3 is provided with one first ball valve 2, the below of described agitator tank 4 is provided with the second ball valve 6(3/4 ball valve), and described agitator tank 4 is connected to one end of self priming pump 9, one end of described first filter 3 is provided with the water inlet that watering 1 enters, and between described agitator tank 4 and self priming pump 9, be also provided with the 3rd ball valve 10A(3/4 ball valve), the other end of described self priming pump 9 is connected to one end of the second filter 12 arranged side by side, and be provided with the 4th ball valve 8(3/4 ball valve between described self priming pump 9 and the second filter 12) and the 5th ball valve 11(3/4 ball valve), it is DN20 that the other end of described second filter 12 is connected to water meter 13(model) one end, and be provided with the 5th ball valve 11 between described second filter 12 and water meter 13, the other end of described water meter 13 is connected to Pressure gauge 15(1Mpa) one end, being provided with pressure-reducing valve 14(model between described water meter 13 and Pressure gauge 15 is DN20 P1.6), described Pressure gauge 15 other end is connected to described water dispenser 19, one end of described vacuum filter 18 is provided with air supply source 16(0.8Mpa) air inlet that enters, the other end of described vacuum filter 18 is connected to gas distributor 20A, described vacuum filter 18 is provided with one the 6th ball valve 17(1/2 ball valve), described gas distributor 20 A and described water dispenser 19 are connected with nozzle 23 respectively, and to be provided with gas choke valve 21(model between described gas distributor 20A and nozzle 23 be QTJS8-2S), being provided with water choke valve 22(model between described water dispenser 19 and nozzle 23 is ASC-08), described vacuum filter is three linked piece 498(3/4), the installation site of described nozzle is X-direction and production line (receive and hold in the palm lace curtaining 90) Central Symmetry, the vertical range d1 in Y direction nozzle and Pen Si direction, spinnerets gap is 210mm, Z-direction nozzle and spinnerets bottom surface distance d2 are 35mm, its spray angle is vertical with spray silk direction, sees Fig. 3.
Embodiment 2
As shown in Figure 3, cut into slices PP (P6815, polypropylene) send into screw extruder 20(JWM80 through feeding hopper 10), its melting (about 240 DEG C) is made to be melt through screw extruder 20 extruding, again through its effect of screen pack 30(be that the contaminant filter in melt is fallen, in order to avoid blocking spinneret orifice) remove impurity and be JRG-100A by measuring pump 40(model) accurate measurement (its effect is accurate measurement, control the grammes per square metre (fineness of 30g/ ㎡ and fiber, for gear pump)) after, melt is delivered continuously on spinnerets 60.Warm-air pipe 50 is equipped with in the two sides of spinnerets 60.After fiber ejection, at once air drawing is carried out with high velocity, hot air, fiber is blown out superfine fibre, again by being installed on the cooling of the above-mentioned spray cooling device 70 on support 80 (when the superfine fibre of surface attachment high temperature is by spray cooling device 70, the nozzle 23 of spray cooling device 70 sprays spraying and form a uniform nebulization region above reception holder lace curtaining 90, produces small water droplets; Small water droplets is adsorbed on high temperature superfine fibre uniformly, and to its cooling down, the size of small water droplets can be regulated by gas choke valve 21, water choke valve 22), the final fibre deposition net that formed is adsorbed on reception holder lace curtaining 90.Due to fibre deposition become net after still can keep higher temperature, thus make inter-adhesive between fiber and become the melt blown non-woven with some strength, carrying out rolling afterwards and to pack out product; Simultaneously suction tube 100 aspirates the air, hot gas, hot blast etc. that get off above and discharges.
1, the trial production operational factor of the above-mentioned spray cooling device for fabric width 1.8 meters of melt blown non-wovens productions:
1) production grammes per square metre 30g/ ㎡.
2) speed of a motor vehicle 32m/min.
3) spray amount 37kg/h.
4) position X-direction Central Symmetry, Y direction nozzle are shown in Fig. 3 apart from spinnerets gap 210mm, Z-direction nozzle apart from spinnerets bottom surface 35mm().
5) spray angle is vertical with spray silk direction.
6) penetrant JFC-2 (commercially available) solution pressure 1.5kg/cm
2, nozzle liquid inventory 37kg/h.
7) compressed air pressure 2.8kg/cm
2, nozzle air flow 0.195m
3/ min.
8) penetrant JFC-2 solution filtering accuracy >=0.1 μm.
9) additive: penetrant JFC-2 solution concentration is 4%.
10) 5.7T(ton is produced) product, continuous seepage 77 hours, with penetrant JFC-2 solution 2280kg.
2, the effect of the above-mentioned spray cooling device for melt blown non-woven production:
1) air conditioner energy saving=(handpiece Water Chilling Units 77x21.5x2)+(tubing pump 77x4)+(pressure fan 11x77)=4466Kwh
Per ton energy-conservation: 4466Kwh/5.7T=783.5Kwh/T, year produces 240T, energy-conservation: 240x783.5=188040Kwh
2) the hydrophilic ability of product improves greatly.
These are only the preferred embodiment cited by the present invention, and be not used to limit the scope of the invention, the equivalence that the those of ordinary skill in art uses the present invention to do is modified or change, all with belonging to scope of patent protection of the present invention.
Claims (10)
1., for the spray cooling device that melt blown non-woven is produced, be characterised in that, comprise: the first filter, agitator tank, reducing motor, self priming pump, the second filter, vacuum filter, water dispenser, gas distributor, nozzle; Described agitator tank is provided with one first filter and a reducing motor, and described agitator tank is connected to one end of self priming pump, one end of described first filter is provided with the water inlet that watering enters, the other end of described self priming pump is connected to one end of the second filter arranged side by side, the other end of described second filter is connected to one end of a water meter, the other end of described water meter is connected to a manometric one end, and the described manometric other end is connected to described water dispenser; One end of described vacuum filter is provided with the air inlet that air supply source enters, and the other end of described vacuum filter is connected to described gas distributor, and described gas distributor and described water dispenser are connected with described nozzle respectively; And the installation site of described nozzle is X-direction and production line Central Symmetry, the vertical range 210mm in Y direction nozzle and Pen Si direction, spinnerets gap, Z-direction nozzle and spinnerets bottom surface distance 35mm, its spray angle is vertical with spray silk direction.
2., as claimed in claim 1 for the spray cooling device that melt blown non-woven is produced, it is characterized in that, be equiped with impeller in described agitator tank, the specification of described agitator tank is Φ 800x1200, and the specification of described impeller is Φ 420x50.
3., as claimed in claim 1 for the spray cooling device that melt blown non-woven is produced, it is characterized in that, described first filter is provided with one first ball valve; The below of described agitator tank is provided with one second ball valve; One the 3rd ball valve is also provided with between described agitator tank and self priming pump; One the 4th ball valve and one the 5th ball valve is provided with between described self priming pump and described second filter; And between described second filter and described water meter, be provided with another 5th ball valve; Described vacuum filter is provided with one the 6th ball valve; A pressure-reducing valve is provided with between described water meter and described Pressure gauge; Be provided with gas choke valve between described gas distributor and described nozzle, between described water dispenser and described nozzle, be provided with water choke valve.
4., as claimed in claim 3 for the spray cooling device that melt blown non-woven is produced, it is characterized in that, described first filter is SMJ-J accurate filter; Described second filter is 3/4 Y type filter; Described vacuum filter is three linked piece 498(3/4).
5., as claimed in claim 3 for the spray cooling device that melt blown non-woven is produced, it is characterized in that, described second ball valve, the 3rd ball valve, the 4th ball valve, the 5th ball valve are 3/4 ball valve; Described 6th ball valve is 1/2 ball valve; Described gas choke valve, water choke valve are one-way throttle valve, wherein the model QTJS8-02S of gas choke valve, and the model of water choke valve is ASC-08.
6., as claimed in claim 3 for the spray cooling device that melt blown non-woven is produced, it is characterized in that, the material of described water, gas distributor is Φ 60 stainless steel, and its internal structure is cylindrical shape.
7. the spray cooling device produced for melt blown non-woven as described in as arbitrary in claim 4-6, it is characterized in that, the pressure of described source of the gas is 0.8Mpa.
8. as claimed in claim 1 for the spray cooling device that melt blown non-woven is produced, it is characterized in that, described nozzle is the outer mix nozzle of fan-shaped air atomizing, and its model is BL-1/4/J-SS; Distance between described nozzle is 100mm, and quantity is 18.
9., as claimed in claim 8 for the spray cooling device that melt blown non-woven is produced, it is characterized in that, the specification of described reducing motor is BD1-17-1.5, speed reducing ratio 17, power of motor 1.5Kw; Described self priming pump is the self-priming clarified water pump of 1ZDB45, power 550W, flow 0.5-3.5m
3/ h, lift 45m.
10. a method for misting cooling, is characterized in that, comprises the following steps:
1) polypropylene chip is sent into screw extruder through feeding hopper, through screw extruder make its in 230-240 DEG C of melting be melt;
2), after through screen pack removing impurity and by the accurate measurement of measuring pump, melt is delivered continuously on spinnerets;
3), after fiber ejection, the warm-air pipe that spinnerets two sides are installed carries out air drawing with high velocity, hot air to it at once, and it is blown out superfine fibre;
4) by the spraying of the nozzle ejection of the arbitrary described spray cooling device of claim 1-9 to its cooling down, make it form fibre deposition net to be adsorbed on and to receive on holder lace curtaining, inter-adhesive between fiber afterwards and become the melt blown non-woven with some strength.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510060215.7A CN104630913B (en) | 2015-02-05 | 2015-02-05 | For the Spray Way and its device of melt blown non-woven production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510060215.7A CN104630913B (en) | 2015-02-05 | 2015-02-05 | For the Spray Way and its device of melt blown non-woven production |
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| CN104630913B CN104630913B (en) | 2017-04-05 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109097844A (en) * | 2018-10-10 | 2018-12-28 | 宣城广能非织造有限公司 | A kind of spraying device for accelerating meltblown fibers cooling |
| CN111514657A (en) * | 2020-04-29 | 2020-08-11 | 国投盛世承德科技股份有限公司 | Processing method and device of zeolite protection filter material and zeolite protection filter material |
| CN111607900A (en) * | 2020-05-06 | 2020-09-01 | 杭州科百特科技有限公司 | Melt-blown filter medium with nano/micron fiber interlocking structure and preparation method thereof |
| CN111926460A (en) * | 2020-08-19 | 2020-11-13 | 罗吉廷 | Cooling conveying equipment for melt-blown fabric production |
| CN111945299A (en) * | 2020-08-10 | 2020-11-17 | 深圳市瀚粤实业有限公司 | Preparation equipment for forming strong electrostatic cloth by fusing plastic melt spinning with high-pressure water mist filaments |
| CN111979644A (en) * | 2020-09-02 | 2020-11-24 | 深圳市瀚粤实业有限公司 | Preparation method for forming strong electrostatic cloth by fusing plastic melt spinning with low-pressure water mist silk |
| CN112513358A (en) * | 2018-07-17 | 2021-03-16 | 连津格股份公司 | Method and device for separating solvent from process air in the production of spunbonded fabrics |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112513358A (en) * | 2018-07-17 | 2021-03-16 | 连津格股份公司 | Method and device for separating solvent from process air in the production of spunbonded fabrics |
| CN112513358B (en) * | 2018-07-17 | 2023-03-07 | 连津格股份公司 | Method and device for separating solvent from process air in the production of spunbonded fabrics |
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| CN111607900A (en) * | 2020-05-06 | 2020-09-01 | 杭州科百特科技有限公司 | Melt-blown filter medium with nano/micron fiber interlocking structure and preparation method thereof |
| CN111607900B (en) * | 2020-05-06 | 2022-03-29 | 杭州科百特科技有限公司 | Melt-blown filter medium with nano/micron fiber interlocking structure and preparation method thereof |
| CN111945299A (en) * | 2020-08-10 | 2020-11-17 | 深圳市瀚粤实业有限公司 | Preparation equipment for forming strong electrostatic cloth by fusing plastic melt spinning with high-pressure water mist filaments |
| CN111926460A (en) * | 2020-08-19 | 2020-11-13 | 罗吉廷 | Cooling conveying equipment for melt-blown fabric production |
| CN111926460B (en) * | 2020-08-19 | 2022-01-21 | 山东希瑞新材料有限公司 | Cooling conveying equipment for melt-blown fabric production |
| CN111979644A (en) * | 2020-09-02 | 2020-11-24 | 深圳市瀚粤实业有限公司 | Preparation method for forming strong electrostatic cloth by fusing plastic melt spinning with low-pressure water mist silk |
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| CN104630913B (en) | 2017-04-05 |
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Effective date of registration: 20180327 Address after: 570125 Hainan city in Haikou Province, North Longkun Road No. 2 imperial Pearl Plaza building 17 floor Co-patentee after: Hunan Xinlong nonwovens Co., Ltd. Patentee after: Xinlong Holding (Group) Co., Ltd. Address before: 570125 Hainan city in Haikou Province, North Longkun Road No. 2 imperial Pearl Plaza building 17 floor Patentee before: Xinlong Holding (Group) Co., Ltd. |