CN214362071U - Single-layer melt-blown fabric production system with low resistance and high filtering effect - Google Patents
Single-layer melt-blown fabric production system with low resistance and high filtering effect Download PDFInfo
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- CN214362071U CN214362071U CN202023328177.4U CN202023328177U CN214362071U CN 214362071 U CN214362071 U CN 214362071U CN 202023328177 U CN202023328177 U CN 202023328177U CN 214362071 U CN214362071 U CN 214362071U
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Abstract
The utility model discloses a single-layer melt-blown fabric production system with low resistance and high filtering effect and a preparation method thereof, which comprises a mixer, a screw extruder, a screen changer, a metering pump, a spinning box, a spinning pack, a screen former, a spraying system, a dryer, an electret device and a slitting winder which are sequentially arranged along the advancing direction of materials, wherein the spinning pack comprises a spinneret plate, the spinneret hole of the spinneret plate consists of a plurality of annular arc holes which are arranged at intervals around the circumferential direction, the circle center of the projection of the annular arc holes in the vertical direction coincides with the circle center of the projection of the spinneret holes in the vertical direction, the spraying system is used for scattering hollow nascent filaments sprayed by a single spinneret hole into filaments which correspond to the annular arc holes of the spinneret hole, the non-woven fabric prepared by the preparation method based on the system is more uniform, the air flow resistance is lower, the filtering efficiency is higher, the hand feeling is further improved.
Description
Technical Field
The utility model belongs to the technical field of non-woven fabrics production, specifically be a low resistivity high filter effect's individual layer melt-blown fabric production system.
Background
On the traditional production line, in the production process of the viscose non-woven fabric, a melt is sprayed out through a spinneret to form primary filaments, the primary filaments are cooled by cross air blow, enter a drafting device and are drafted into filaments through air flow, then the filaments are arranged into a net, and then the non-woven fabric with a certain filtering effect is formed after the primary filaments are sequentially dried and subjected to electret treatment.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a low resistivity height filter effect's individual layer melt-blown fabric production system.
In order to realize the above purpose, the utility model discloses the technical scheme who adopts is: the single-layer melt-blown fabric production system comprises a mixer, a screw extruder, a screen changer, a metering pump, a spinning box, a spinning assembly, a screen former, a spraying system, a dryer, an electret device and a slitting and winding machine which are sequentially arranged along the advancing direction of materials, wherein the spinning assembly comprises a spinneret plate, a spinneret hole of the spinneret plate consists of a plurality of annular arc holes which are arranged at intervals around the circumferential direction, the circle center of the projection of the annular arc holes in the vertical direction is coincided with the circle center of the projection of the spinneret holes in the vertical direction, and the spraying system is used for scattering hollow primary filaments sprayed out from a single spinneret hole into filaments corresponding to the number of the annular arc holes of the spinneret hole.
Furthermore, the spinneret orifice is provided with 3 circular arc-shaped holes, so that the manufacturing process of the spinneret orifice is simplified on the premise of ensuring the strength of filaments.
Furthermore, the interval between two adjacent circular arc holes of the spinneret orifice at least enables the filaments sprayed from the two circular arc holes to be expanded and adhered, so that hollow primary filaments are formed, the filaments are conveniently arranged to form a net, and the uniformity is ensured.
The utility model discloses choose for use the spinneret orifice and the spinneret orifice of cavity pass to constitute by three a plurality of ring arc shape holes that set up around the circumferencial direction interval, added spraying equipment simultaneously between lapper and drying-machine, combine with this system the utility model discloses a production method, fuse-element are via the ring arc shape hole blowout filamentation of spinneret, and adjacent silk is because of popped glutinous even in the exit in ring arc shape hole, and then forms cavity nascent silk, and cavity nascent silk is after draft pendulum silk becomes the net, gets into spraying equipment, and glutinous department is broken up by rivers and is opened formation filament, then in proper order through drying, the non-woven fabrics that forms behind the electret is more even, and air resistance is lower, and filtration efficiency is higher, feels also obtains further promotion.
Drawings
Fig. 1 is a schematic structural diagram of a single-layer meltblown fabric production system with low resistance and high filtering effect according to an embodiment of the present invention.
Fig. 2 is a schematic view of the spinneret orifice structure of the melt-blowing plate according to the embodiment of the present invention.
The reference numbers in the figures are:
1. the spinning machine comprises a mixer, 2 a screw extruder, 3 a screen changer, 4 a metering pump, 5 a spinning box, 6 a spinning assembly, 601 a circular arc-shaped hole, 7 a screen forming machine, 8 a spraying system, 9 a dryer, 10 electret equipment and 11 a slitting and winding machine.
Detailed Description
The utility model discloses the following embodiment of combining does further detailing:
as shown in fig. 1 and 2, a single-layer melt-blown fabric production system with low resistance and high filtering effect comprises a mixer 1, a screw extruder 2, a screen changer 3, a metering pump 4, a spinning box 5, a spinneret assembly 6, a screen former 7, a spraying system 8, a dryer 9, an electret device 10 and a slitting and winding machine 11 which are sequentially arranged along the material advancing direction, wherein the spinneret assembly 6 comprises a spinneret plate, the spinneret hole of the spinneret plate is composed of a plurality of annular arc-shaped holes 601 which are arranged at intervals around the circumferential direction, the circle center of the projection of the annular arc-shaped holes 601 in the vertical direction coincides with the circle center of the projection of the spinneret hole in the vertical direction, and the spraying system 8 is used for scattering hollow nascent filaments which are sprayed out from a single spinneret hole into filaments with the number corresponding to the number of the annular arc-shaped holes 601 of the spinneret hole.
Referring to fig. 2, the spinneret orifice of this embodiment is provided with 3 circular arc holes 601, so as to simplify the manufacturing process of the spinneret orifice on the premise of ensuring the strength of the filaments. The interval between two adjacent circular arc holes 601 of the spinneret orifice at least enables the filaments sprayed from the two circular arc holes 601 to be bulked and adhered, so that hollow primary filaments are formed, the filaments are conveniently arranged to form a net, and the uniformity is ensured.
The production method of the single-layer melt-blown fabric with low resistance and high filtering effect is carried out based on the single-layer melt-blown fabric production system with low resistance and high filtering effect, and comprises the following steps:
1) putting raw materials for non-woven fabric production into a mixer 1, and fully mixing to obtain a mixed material, wherein the content of the electret master batch is 2.5%, and the balance is high molecular polymer for melt-blown fabric, which is produced by Qingdao Dongye plastics Co., Ltd, and has the model of 1500 DY;
2) extruding the mixed material obtained in the step 1) by a screw extruder 2, filtering impurities and particles which are not melted by a screen changer 3, pumping the mixed material into a spinning box 5 by a metering pump 4, spraying hollow primary filaments by a spinning component 6, wherein the filaments sprayed by two adjacent circular arc holes 601 of the spinning hole are mutually bonded to form the hollow primary filaments at the outlet end of the spinning hole due to the bulking action, arranging the hollow primary filaments at a screen former 7 to form a screen, then entering a spraying forest system, scattering the hollow primary filaments into filaments with the number corresponding to the number of the circular arc holes 601 of the spinning hole under the action of water flow in a spraying system 8, and drying and standing to obtain the single-layer melt-blown fabric with low resistance and high filtering effect;
in the step 2), 11 temperature intervals are sequentially arranged from the screw to the extrusion die head of the screw extruder 2, and the temperature of the 11 temperature intervals presents an increasing trend at 185-250 ℃; the pumping flow of the metering pump 4 is set to be 160kg/h, the temperature of the spinning box 5 is controlled to be 250-270 ℃, the filtered pressure of the screen changer 3 is set to be 2.0MPa, the thickness of a formed web is about 25mm, and the diameter of a nascent fiber is about 2 mu m.
The single-layer melt-blown fabric production system with low resistance and high filtering effect of the embodiment is characterized in that a spinneret orifice is formed by three circular arc-shaped holes 601 arranged at intervals around the circumferential direction, and a spraying device is additionally arranged between a web former 7 and a dryer 9, in combination with the production method of the embodiment, a melt is sprayed out to form filaments through the circular arc-shaped holes 601 of a spinneret plate, adjacent filaments are adhered at the outlet of the circular arc-shaped holes 601 due to expansion, and then hollow nascent filaments are formed, the hollow nascent filaments are sequentially drawn and laid into a web and then enter the spraying device, the adhesion part is broken by water flow to form thinner nascent filaments, and then non-woven fabrics formed after being sequentially dried and electret are more uniform, the air flow resistance is lower, the filtering efficiency is higher, and the hand feeling is further improved. The single-layer meltblown fabric with low resistance and high filtering effect prepared by the embodiment has the filtering property of more than 95 percent and the respiratory resistance of less than 30 percent.
The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the concept of the present invention within the technical scope disclosed in the present invention.
The utility model discloses do not confine the above-mentioned embodiment to, the general technical personnel in this field can adopt other multiple embodiments to implement according to the utility model discloses a, perhaps all adopt the utility model discloses a design structure and thinking do simple change or change, all fall into the utility model discloses a protection scope. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
Claims (3)
1. The utility model provides a single-deck melt-blown fabric production system of high filter effect of low resistivity which characterized in that: the spinning device comprises a mixer (1), a screw extruder (2), a screen changer (3), a metering pump (4), a spinning box (5), a spinning pack (6), a screen forming machine (7), a spraying system (8), a dryer (9), an electret device (10) and a slitting and winding machine (11) which are sequentially arranged along the advancing direction of materials, wherein the spinning pack (6) comprises a spinneret plate, the spinneret hole of the spinneret plate is composed of a plurality of annular arc holes (601) which are arranged at intervals around the circumferential direction, the circle center of the projection of the annular arc holes (601) in the vertical direction coincides with the circle center of the projection of the spinneret hole in the vertical direction, and the spraying system (8) is used for scattering hollow nascent filaments sprayed out from a single spinneret hole into filaments corresponding to the number of the annular arc holes (601) of the spinneret hole.
2. The low drag, high filtration efficiency, single layer meltblown manufacturing system of claim 1, wherein: the spinneret orifice is provided with 3 annular arc-shaped holes (601).
3. The low drag, high filtration efficiency, single layer meltblown manufacturing system of claim 1, wherein: the interval between two adjacent circular arc holes (601) of the spinneret orifice at least enables the filaments sprayed from the two circular arc holes (601) to be bulked and adhered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023328177.4U CN214362071U (en) | 2020-12-31 | 2020-12-31 | Single-layer melt-blown fabric production system with low resistance and high filtering effect |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023328177.4U CN214362071U (en) | 2020-12-31 | 2020-12-31 | Single-layer melt-blown fabric production system with low resistance and high filtering effect |
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| CN214362071U true CN214362071U (en) | 2021-10-08 |
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| CN202023328177.4U Active CN214362071U (en) | 2020-12-31 | 2020-12-31 | Single-layer melt-blown fabric production system with low resistance and high filtering effect |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112760825A (en) * | 2020-12-31 | 2021-05-07 | 常州锦欣达纤维新材料有限公司 | Single-layer melt-blown fabric production system with low resistance and high filtering effect and production method |
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2020
- 2020-12-31 CN CN202023328177.4U patent/CN214362071U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112760825A (en) * | 2020-12-31 | 2021-05-07 | 常州锦欣达纤维新材料有限公司 | Single-layer melt-blown fabric production system with low resistance and high filtering effect and production method |
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Address after: 213000 No.23 Lingxiang Road, Wujin economic development zone, Changzhou City, Jiangsu Province Patentee after: Jiangsu Jinxinda fiber new material Technology Group Co.,Ltd. Address before: 213000 No.23 Lingxiang Road, Wujin economic development zone, Changzhou City, Jiangsu Province Patentee before: Changzhou Jinxinda fiber new material Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |