CN109868512A - A kind of polymer extrusion molding non woven fabric production apparatus, production line and production technology - Google Patents
A kind of polymer extrusion molding non woven fabric production apparatus, production line and production technology Download PDFInfo
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- CN109868512A CN109868512A CN201811529502.8A CN201811529502A CN109868512A CN 109868512 A CN109868512 A CN 109868512A CN 201811529502 A CN201811529502 A CN 201811529502A CN 109868512 A CN109868512 A CN 109868512A
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- air
- extrusion molding
- meltblown
- spinneret
- cooling
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Abstract
The present invention provides a kind of polymer extrusion molding non woven fabric production apparatus, production line and production technology, the present invention is meltblown the temperature of spinning appts high temperature air-flow by increasing, increase the mobility of spinneret medium-high viscosity polymer, it can normally be sprayed from spinneret orifice, and through high temperature gas flow drawing-off, since air-flow and meltblown fibers temperature are higher at this time, need to be integrated on web forming device after suitably cooling down.This patent, by controlling cold wind air temperature and current direction, makes high temperature meltblown fibers suitably cool down, and under the negative pressure gas flow synergy of cold wind air-flow and web forming device, be integrated on web forming device by installing packaged air conditioner and air duct below melt-blown spinneret.The production of pp material progress melt-blow nonwoven of the MFI value less than 50g/min can be used in the present invention, high-intensitive meltblown fibers can be prepared, and by suitable fibres bond technique, high-strength meltblown non-woven cloth can be produced, the applicability of melt-blow nonwoven is greatly increased.
Description
Technical field
The present invention relates to a kind of Nonwovens Field, specifically a kind of polymer extrusion molding non woven fabric production apparatus,
Production line and production technology, more particularly to a kind of combination for being meltblown spinning appts and spunbond air drawing cooling device.
Background technique
On non-woven meltblown line, polymer, at fibre, is closely sprayed on after being meltblown the drawing-off of spinneret high temperature gas flow
At lace curtaining upper set networking, by spinneret plate structure and high temperature gas flow temperature limiting use it is mostly be low viscosity polymer, with poly-
For propylene, the polypropylene MFI value used is meltblown generally all in 400g/min or more.The fibre strength prepared by low viscosity raw material
It is very low, limit the use of melt-blow nonwoven, it usually needs and spun-bonded non-woven is used in combination.(1. Liu Yujun, spunbond and
Melt-blow nonwoven handbook, Chinese textile industry publishing house, 2014)
Summary of the invention
Technical assignment of the invention is in view of the deficiencies of the prior art, by that will be meltblown spinning appts and the cooling drawing-off of spunbond
Device combines, and proposes a kind of novel polymer extrusion molding non woven fabric production apparatus, production line and production technology.
Design principle of the invention is as follows:
The present invention is meltblown the temperature of spinning appts high temperature air-flow by increasing, and makes the stream of spinneret medium-high viscosity polymer
Dynamic property increases, and can normally spray from spinneret orifice, and through high temperature gas flow drawing-off, due to air-flow and meltblown fibers temperature at this time
Degree is higher, needs to be integrated on web forming device after suitably cooling down.This patent is by installing cold wind below melt-blown spinneret
Case and air duct make high temperature meltblown fibers suitably cool down, and in cold wind air-flow and networking by controlling cold wind air temperature and current direction
Under the negative pressure gas flow synergy of device, it is integrated on web forming device.
The technical solution adopted by the present invention to solve the technical problems is:
1, the present invention provides a kind of polymer extrusion molding non woven fabric production apparatus, the melt-blown group including being equipped with spinneret
Part and web forming device offer the spinneret orifice for spraying meltblown fibers on the spinneret, and installation is cold below the spinneret
Bellows and air duct, meltblown fibers form after packaged air conditioner and air duct are cooling and are meltblown cooling fiber,
Wherein:
The packaged air conditioner is enclosed by the side-blown cooling air channel of spunbond of two sides below spinneret, and centre forms funnelform
Cooling space, cooling air channel bottom are cold wind import, and top is that the cold wind being connected with cooling space exports, on cooling air channel,
Baffling wind deflector is equipped at the position of face cold wind outlet at the top of cooling space;
The air duct is long range spunbond air drawing cooling air channel;
The web forming device is located at the lower section in air duct, has for receiving the receiving plane for being meltblown cooling fiber.
Scheme optimization, the web forming device includes networking mesh belt and negative-pressure air fan, and the air inlet of negative-pressure air fan is set to
The positive lower end of networking mesh belt.The web forming device can be as needed using different at net mode.
Scheme optimization, the baffling keep out the wind plate suqare at least cover cold wind outlet area.
Scheme optimization, the axis direction of the direction of feed of the receiving plane perpendicular to the air duct.
Scheme optimization, the spinneret orifice is pore, and spinneret orifice is surrounded by towards tapered oblique in spinneret orifice direction
High Temperature Gas body opening.
Scheme optimization, the spinneret is meltblown side plate by two sides and connect with packaged air conditioner, and two sides are meltblown shape among side plate
At the narrow runner in intermediate wide both ends.
Scheme optimization, the length of the spunbond air drawing cooling air channel is 2.0-5.0m.
2, the present invention separately provides a kind of polymer extrusion molding Nonwovens Line, including is sequentially connected by connecting pipe
Screw extruder, filter, metering pump and a kind of above-mentioned polymer extrusion molding non woven fabric production apparatus.
3, the present invention also provides a kind of polymer extrusion molding nonwoven manufacturing techniques, are squeezed based on a kind of above-mentioned polymer
Method Nonwovens Line out comprises the following steps that
1) polymer and other additives pass through the screw extruder connecting with melt-blown component or other plasticizing equipment plasticizings are mixed
After conjunction, polymer melt is formed;
2) in melt-blown component, polymer melt blows out to form meltblown fibers and carry out in spinneret by high temperature gas flow
Drawing-off;
3) meltblown fibers are led into packaged air conditioner through air-flow, are fallen into air duct by suitably cooling down with further drawing-off,
The further cooling and drawing-off in air duct, in negative pressure gas flow effect next part together on web forming device, then close by hot rolling or its
Meltblown polymer non-woven cloth is formed after his fibres bond mode.
A kind of polymer extrusion molding non woven fabric production apparatus, production line and production technology of the invention, with the prior art
It is compared to generated beneficial effect:
1, this patent is realized and by conventional meltblown spinning appts and the combination of spunbond air drawing cooling device, is easy real
It applies, structure is simple.
2, this patent can increase the high temperature gas flow in melt-blown component by the cooling drafting system of spunbond using relatively long distance
Temperature, therefore can be used conveniently to prepare high-viscosity polymer melt-blow nonwoven.
It is 3, high by using the more conventional low viscosity polymer fibre strength of polymer fiber intensity made from this patent equipment,
High-intensitive nonwoven product can be prepared.
By taking polypropylene as an example, the life of raw material progress melt-blow nonwoven of the MFI value less than 50g/min is can be used in the present apparatus
It produces.Since polymer viscosity and polymer have direct relationship, viscosity is improved, and the degree of polymerization also improves, and can prepare high intensity
Meltblown fibers, and by suitable fibres bond technique, high-strength meltblown non-woven cloth can be produced, can greatly increase and be meltblown non-knit
Make the applicability of cloth.
Detailed description of the invention
Attached drawing 1 is a kind of structural schematic diagram of polymer extrusion molding non woven fabric production apparatus of the present invention;
Attached drawing 2 is the inner flow passage structural schematic diagram of packaged air conditioner involved in the present invention;
Attached drawing 3 is a kind of structural schematic diagram of polymer extrusion molding Nonwovens Line of the present invention.
Respectively label indicates in attached drawing:
1, be meltblown component, 2, melt-blown side plate, 3, packaged air conditioner, 300, cooling air channel, 301, cooling space, 302, cold wind into
Mouthful, 303, cold wind outlet, 304, baffling wind deflector, 4, air duct, 5, web forming device, 6, negative-pressure air fan, 7, spinneret orifice, 8, High Temperature Gas
Body opening, 9, screw extruder, 10, filter, 11, metering pump.
Specific embodiment
1-3 with reference to the accompanying drawing, to a kind of polymer extrusion molding non woven fabric production apparatus, production line and life of the invention
Production. art is described in detail below, these embodiments are merely to illustrate this patent and do not limit this patent.
Embodiment one
As shown in Fig. 1, a kind of polymer extrusion molding non woven fabric production apparatus of the invention, including being equipped with spinneret
It is meltblown component 1 and web forming device 5, the spinneret orifice 7 for spraying meltblown fibers, installation below spinneret are offered on spinneret
Packaged air conditioner 3 and air duct 4, meltblown fibers form after packaged air conditioner 3 and air duct 4 are cooling and are meltblown cooling fiber.
Wherein:
Spinneret is meltblown side plate 2 by two sides and connect with packaged air conditioner 3, and two sides, which are meltblown among side plate 2, forms intermediate wide both ends
Narrow runner.
Spinneret orifice 7 is pore, and spinneret orifice 7 is surrounded by the oblique High Temperature Gas body opening 8 tapered towards 7 direction of spinneret orifice.
Partial enlarged view only gives spinneret orifice 7, oblique High Temperature Gas body opening 8 in Fig. 1, with 8 phase of High Temperature Gas body opening oblique around spinneret orifice 7
High-temperature blower even is not shown, and various forms exists in the prior art in high-temperature blower and being connected to for High Temperature Gas body opening 8, and not
It is where innovation essence of the invention, this will not be repeated here.
In conjunction with attached drawing 2, packaged air conditioner 3 is enclosed by the side-blown cooling air channel 300 of spunbond of two sides below spinneret, intermediate shape
The cooling space 301 of funnel, 300 bottom of cooling air channel are cold wind import 302, and top is to be connected with cooling space 301
Cold wind outlet 303, on cooling air channel 300, be equipped with baffling at the position of 301 top face cold wind of cooling space outlet 303 and keep off
Aerofoil 304, baffling wind deflector 304 play air-flow guiding role, and 304 area of baffling wind deflector at least covers the face of cold wind outlet 303
Product.
Air duct 4 is long range spunbond air drawing cooling air channel 4, length 2.0-5.0m.
Web forming device 5 is located at the lower section in air duct 4, has for receiving the receiving plane for being meltblown cooling fiber, receiving plane
Direction of feed perpendicular to the air duct 4 axis direction.Web forming device 5 includes networking mesh belt and negative-pressure air fan 6, negative-pressure air fan
6 air inlet is set to the positive lower end of networking mesh belt, and web forming device 5 can be as needed using different at net mode.
Embodiment two
In conjunction with attached drawing 3, a kind of polymer extrusion molding Nonwovens Line of the invention, including successively by connecting pipe
A kind of polymer extrusion molding non-woven cloth production of connected screw extruder 9, filter 10, metering pump 11 and embodiment one
Equipment.
A kind of polymer extrusion molding nonwoven manufacturing technique of the invention, comprises the following steps that
1) polymer and other additives form polymer melt after the plasticizing mixing of screw extruder 9;
2) polymer melt passes through filter 10, the metering pump 11 for being serially connected with connecting pipe, is squeezed into melt-blown component 1
In;
3) in melt-blown component 1, polymer melt blows out to form meltblown fibers and go forward side by side in spinneret by high temperature gas flow
Row drawing-off;
4) meltblown fibers are led into packaged air conditioner 3 through air-flow, fall into air duct 4 with further drawing-off by suitably cooling down
In, then the further cooling and drawing-off in air duct 4 is closed in negative pressure gas flow effect next part together on web forming device 5 by hot rolling
Or high viscosity meltblown polymer non-woven cloth is formed after other fibres bond modes.
Using the pp material of MFI=36, suitable antioxidant, stabilizer and other auxiliary agents are added, raw material is in spiral shell
In bar extruder after plasticizing mixing, polymer melt is squeezed into melt-blown component 1 by connecting pipe, filter and metering pump etc.
In, screw extruder temperature is set as 260 DEG C, and the temperature of connecting pipe, filter and metering pump is also set to 260 DEG C.Molten
It sprays in component 1, polymer melt blows out to form meltblown fibers and carry out drawing-off in spinneret by high-speed and high-temperature airflow.Melt-blown
1 temperature of component is set as 265 DEG C, and hot-gas temperature is set as 280 DEG C, and high-temperature blower revolving speed is 1000 revs/min, and melt-blown is fine
Dimension is led into packaged air conditioner 3 by air-flow, by suitably cooling down and further drawing-off, is fallen into air duct 4, gas in packaged air conditioner 3
Stream temperature is set as 25 DEG C.800 revs/min of 6 revolving speed of negative-pressure air fan passes through further cooling and drawing-off, in negative pressure in air duct 4
Then airflow function next part closes to form high-strength polypropylene non-woven cloth together on web forming device 5 by hot rolling.
Finally, it should be noted that the equipment is equally applicable to the production of low viscosity polymer non-woven cloth, it is also applied for gathering
Other polymers except propylene.Since polymer viscosity and polymer have direct relationship, viscosity is improved, and the degree of polymerization also mentions
Height can prepare high-intensitive meltblown fibers, and by suitable fibres bond technique, it is non-woven can to produce high-strength meltblown
Cloth can greatly increase the applicability of melt-blow nonwoven.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, to those skilled in the art, can still remember to previous embodiment
The technical solution of load is modified or equivalent replacement of some of the technical features.It is all in spirit and original of the invention
Within then, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Except for the technical features described in the specification, it all is technically known to those skilled in the art.
Claims (9)
1. a kind of polymer extrusion molding non woven fabric production apparatus, melt-blown component and web forming device including being equipped with spinneret, institute
State the spinneret orifice offered on spinneret for spraying meltblown fibers, which is characterized in that packaged air conditioner is installed below the spinneret
And air duct, meltblown fibers form after packaged air conditioner and air duct are cooling and are meltblown cooling fiber,
Wherein:
The packaged air conditioner is enclosed by the side-blown cooling air channel of spunbond of two sides below spinneret, and centre forms funnelform cooling
Space, cooling air channel bottom are cold wind import, and top is that the cold wind being connected with cooling space exports, and on cooling air channel, are cooled down
Baffling wind deflector is equipped at the position of top of space face cold wind outlet;
The air duct is long range spunbond air drawing cooling air channel;
The web forming device is located at the lower section in air duct, has for receiving the receiving plane for being meltblown cooling fiber.
2. a kind of polymer extrusion molding non woven fabric production apparatus according to claim 1, which is characterized in that the networking
Device includes networking mesh belt and negative-pressure air fan, and the air inlet of negative-pressure air fan is set to the positive lower end of networking mesh belt.
3. a kind of polymer extrusion molding non woven fabric production apparatus according to claim 1 or 2, which is characterized in that described
Baffling keep out the wind plate suqare at least cover cold wind outlet area.
4. a kind of polymer extrusion molding non woven fabric production apparatus according to claim 1 or 2, which is characterized in that described
Axis direction of the direction of feed of receiving plane perpendicular to the air duct.
5. a kind of polymer extrusion molding non woven fabric production apparatus according to claim 1 or 2, which is characterized in that described
Spinneret orifice is pore, and spinneret orifice is surrounded by the oblique High Temperature Gas body opening tapered towards spinneret orifice direction.
6. a kind of polymer extrusion molding non woven fabric production apparatus according to claim 1 or 2, which is characterized in that described
Spinneret is meltblown side plate by two sides and connect with packaged air conditioner, and two sides, which are meltblown, forms the narrow runner in intermediate wide both ends among side plate.
7. a kind of polymer extrusion molding non woven fabric production apparatus according to claim 1 or 2, which is characterized in that described
The length of spunbond air drawing cooling air channel is 2.0-5.0m.
8. a kind of polymer extrusion molding Nonwovens Line, which is characterized in that including the spiral shell being sequentially connected by connecting pipe
Bar extruder, filter, metering pump and a kind of polymer extrusion molding non woven fabric production apparatus of any of claims 1 or 2.
9. a kind of polymer extrusion molding nonwoven manufacturing technique, which is characterized in that be based on a kind of polymerization according to any one of claims 8
Object extrusion molding Nonwovens Line, comprises the following steps that
1) after the screw extruder or other plasticizing equipment plasticizing mixing of polymer and other additives through being connect with melt-blown component,
Form polymer melt;
2) in melt-blown component, polymer melt blows out to form meltblown fibers and be led in spinneret by high temperature gas flow
It stretches;
3) meltblown fibers are led into packaged air conditioner through air-flow, are fallen into air duct by suitably cooling down with further drawing-off, in wind
Then further cooling and drawing-off in road closes by hot rolling in negative pressure gas flow effect next part together on web forming device or other is fine
Meltblown polymer non-woven cloth is formed after tieing up bonding mode.
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CN201811529502.8A CN109868512A (en) | 2018-12-14 | 2018-12-14 | A kind of polymer extrusion molding non woven fabric production apparatus, production line and production technology |
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CN201811529502.8A CN109868512A (en) | 2018-12-14 | 2018-12-14 | A kind of polymer extrusion molding non woven fabric production apparatus, production line and production technology |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112176435A (en) * | 2020-10-14 | 2021-01-05 | 安徽伯辉智能装备有限公司 | Melt cooling device for melt-blown non-woven fabric production |
CN112408057A (en) * | 2020-10-26 | 2021-02-26 | 温州市锦源合成纤维有限公司 | Non-woven fabric processing equipment |
CN112663229A (en) * | 2020-11-30 | 2021-04-16 | 广东中科鑫雁科技有限公司 | Process for quantitatively applying fiber material in hygienic product industry |
CN112941729A (en) * | 2021-01-26 | 2021-06-11 | 上海氟富新材料科技有限公司 | Preparation method of antiviral PP spunbonded fabric |
CN113215726A (en) * | 2021-05-11 | 2021-08-06 | 陈跃玉 | Intelligent non-woven fabric melt-blowing machine and non-woven fabric production process |
CN113308801A (en) * | 2021-06-19 | 2021-08-27 | 江门市舒而美医疗用品有限公司 | Production process capable of reducing fineness of PE (polyethylene) fibers |
CN113512819A (en) * | 2021-04-06 | 2021-10-19 | 武汉纺织大学 | Online manufacturing device and method for medical protective clothing antibacterial non-woven fabric |
CN113201863B (en) * | 2021-04-06 | 2022-04-22 | 武汉纺织大学 | Manufacturing device and process of adsorption antibacterial non-woven fabric for medical protective clothing |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112176435A (en) * | 2020-10-14 | 2021-01-05 | 安徽伯辉智能装备有限公司 | Melt cooling device for melt-blown non-woven fabric production |
CN112408057A (en) * | 2020-10-26 | 2021-02-26 | 温州市锦源合成纤维有限公司 | Non-woven fabric processing equipment |
CN112663229A (en) * | 2020-11-30 | 2021-04-16 | 广东中科鑫雁科技有限公司 | Process for quantitatively applying fiber material in hygienic product industry |
CN112941729A (en) * | 2021-01-26 | 2021-06-11 | 上海氟富新材料科技有限公司 | Preparation method of antiviral PP spunbonded fabric |
CN112941729B (en) * | 2021-01-26 | 2022-09-30 | 上海氟富新材料科技有限公司 | Preparation method of antiviral PP spunbonded fabric |
CN113512819A (en) * | 2021-04-06 | 2021-10-19 | 武汉纺织大学 | Online manufacturing device and method for medical protective clothing antibacterial non-woven fabric |
CN113201863B (en) * | 2021-04-06 | 2022-04-22 | 武汉纺织大学 | Manufacturing device and process of adsorption antibacterial non-woven fabric for medical protective clothing |
CN113512819B (en) * | 2021-04-06 | 2022-04-22 | 武汉纺织大学 | Online manufacturing device and method for medical protective clothing antibacterial non-woven fabric |
CN113215726A (en) * | 2021-05-11 | 2021-08-06 | 陈跃玉 | Intelligent non-woven fabric melt-blowing machine and non-woven fabric production process |
CN113308801A (en) * | 2021-06-19 | 2021-08-27 | 江门市舒而美医疗用品有限公司 | Production process capable of reducing fineness of PE (polyethylene) fibers |
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Application publication date: 20190611 |