CN216738640U - Melt-blown fabric production system for liquid filtration - Google Patents
Melt-blown fabric production system for liquid filtration Download PDFInfo
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- CN216738640U CN216738640U CN202220474046.7U CN202220474046U CN216738640U CN 216738640 U CN216738640 U CN 216738640U CN 202220474046 U CN202220474046 U CN 202220474046U CN 216738640 U CN216738640 U CN 216738640U
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Abstract
The utility model belongs to the technical field of melt-blown fabric production, and particularly relates to a melt-blown fabric production system for liquid filtration. The device comprises a mixing kettle, wherein a raw material feeder is arranged above the mixing kettle and is respectively connected with a polypropylene drier and a master batch drier; a buffer tank is arranged below the mixing kettle, a material lifter is arranged below the buffer tank, a charging hopper is arranged at one end of the material lifter, and the lower part of the charging hopper is connected with the screw extruder; one end of the screw extruder is sequentially connected with the filtering system, the metering pump, the spinning box and the web former, and the web former is respectively connected with the filtering efficiency tester and the electret device; the electret device is connected with the winding splitting machine. The utility model has scientific and reasonable design and simple and convenient operation, greatly improves the fineness uniformity of the melt-blown fabric produced, and further improves the filtration efficiency of the melt-blown fabric.
Description
Technical Field
The utility model belongs to the technical field of melt-blown fabric production, and particularly relates to a melt-blown fabric production system for liquid filtration.
Background
The melt-blown fabric mainly uses polypropylene as a main raw material, and the diameter of the fiber can reach 1-5 microns. The superfine fiber with the unique capillary structure increases the number and the surface area of the fiber per unit area, so that the melt-blown fabric has good filtering property, shielding property, heat insulation property and oil absorption property. When the melt-blown cloth is applied to a liquid filtering material, the charge removal treatment is needed, the filtering performance of the melt-blown cloth is mainly dependent on the superfine fiber of the melt-blown cloth for filtering and blocking, and therefore, the fineness uniformity of the fiber is particularly important.
However, the filtration efficiency of meltblown fabrics produced by existing processes and apparatus remains to be improved.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a melt-blown fabric production system for liquid filtration, which has scientific and reasonable design and simple and convenient operation, greatly improves the fineness uniformity of the melt-blown fabric fibers obtained by production, and further improves the filtration efficiency of the melt-blown fabric.
The melt-blown fabric production system for liquid filtration comprises a mixing kettle, wherein a raw material feeder is arranged above the mixing kettle, and is respectively connected with a polypropylene dryer and a master batch dryer; a buffer tank is arranged below the mixing kettle, a material lifter is arranged below the buffer tank, a charging hopper is arranged at one end of the material lifter, and the lower part of the charging hopper is connected with the screw extruder; one end of the screw extruder is sequentially connected with the filtering system, the metering pump, the spinning box and the web former, and the web former is respectively connected with the filtering efficiency tester and the electret device; the electret device is connected with the winding splitting machine.
Preferably, the pipeline that raw materials charging means and polypropylene drier and master batch drier link to each other is equipped with the measuring pump respectively, is convenient for the accurate mass ratio of measurement polypropylene and master batch.
Preferably, one end of the screw extruder is connected to a motor.
Preferably, the manifold is connected to a heater.
Preferably, the heater is connected to a pressurized gas flow line.
Preferably, the web former is connected to a cold air line.
When the utility model is used, polypropylene particles and 1-3% of master batch (the master batch is a mixture of a small amount of polypropylene particles and a flow promoter, the flow promoter can be magnesium stearate) are respectively fully dried, then the mixture is added into a raw material feeder through a metering pump, the mixture is quantitatively added into a mixing kettle, stirring is started, the materials are fully mixed, after the mixing is finished, the materials are collected through a buffer tank, then the materials are transported into a screw extruder through a material hoist, the materials are extruded and filtered after being heated and melted, the materials are pumped into a spinning box through the metering pump, spinning is carried out at a certain temperature and pressure, then the materials enter a web forming machine to obtain a semi-finished product, at the moment, the electret treatment is not carried out firstly, the filtration effect of raw cloth is tested through a filtration efficiency tester, the temperatures of all areas of a die head of the screw extruder are sequentially adjusted according to the filtration effect conditions of different positions of the raw cloth, the temperature of the area with low filtration effect is correspondingly increased, the fluidity of the fabric is increased, and electret treatment is carried out after the filtration effect of each position of the original fabric is uniform. And after the electret treatment is finished, winding, slitting and packaging are finally carried out.
According to the utility model, a master batch dryer is added to dry the additionally added master batches, then the master batches are utilized to have good fluidity and good smoothness, the fibers are thinned under the action of high hot air quantity and temperature, electret treatment is not carried out firstly after the melt-blown cloth is produced, a filter efficiency tester is added, the temperature of each area of a die head is sequentially adjusted according to the filtering effect conditions of different positions of the original cloth, the temperature of the area with low filtering effect is correspondingly increased, the fluidity of the area is increased, and the electret treatment is carried out after the filtering effect of each position of the original cloth is uniform, so that a product is formed for use in the subsequent process. The filtration efficiency of the test after the melt-blown cloth is de-electrified in the post-process is more than 60 percent, the uniformity is controlled within 8 percent, and the requirement for liquid filtration is met.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model has scientific and reasonable design, simple and convenient operation and better uniformity of the fineness of the fiber sprayed by the spinneret plate, thereby leading the filtering performance of the de-electrified melt-blown cloth to be better in uniformity and leading the melt-blown cloth to still keep a certain filtering function when being used as a liquid filtering material.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1. a polypropylene dryer; 2. a raw material feeder; 3. a mixing kettle; 4. a material elevator; 5. a hopper; 6. a screw extruder; 7. a pressurized gas flow line; 8. a heater; 9. a spinning box; 10. a cold air pipeline; 11. a web former; 12. a filtration efficiency tester; 13. an electret device; 14. winding the splitting machine; 15. a metering pump; 16. a filtration system; 17. a motor; 18. a buffer tank; 19. and a master batch dryer.
Detailed Description
The present invention is further described below with reference to examples.
Example 1
As shown in fig. 1, a melt-blown fabric production system for liquid filtration comprises a mixing kettle 3, a raw material feeder 2 is arranged above the mixing kettle 3, and the raw material feeder 2 is respectively connected with a polypropylene drier 1 and a master batch drier 19; a buffer tank 18 is arranged below the mixing kettle 3, a material lifter 4 is arranged below the buffer tank 18, a feeding hopper 5 is arranged at one end of the material lifter 4, and the lower part of the feeding hopper 5 is connected with a screw extruder 6; one end of the screw extruder 6 is sequentially connected with a filtering system 16, a metering pump 15, a spinning box 9 and a web former 11, and the web former 11 is respectively connected with a filtering efficiency tester 12 and an electret device 13; the electret device 13 is associated with a winding slitter 14.
And metering pumps 15 are respectively arranged on pipelines connected with the raw material feeder 2, the polypropylene dryer 1 and the master batch dryer 19.
One end of the screw extruder 6 is connected with a motor 17.
The spinning beam 9 is connected to a heater 8.
The heater 8 is connected to a pressure gas flow line 7.
The web former 11 is connected to a cold air pipeline 10.
When the utility model is used, polypropylene particles and 2% master batches (the mass ratio of the polypropylene particles to the 2% master batches is 50:1, the master batches are a mixture of a small amount of polypropylene particles and magnesium stearate, and the mass ratio is 5:1) are respectively fully dried, then the mixture is added into a raw material feeder 2 through a metering pump 15, the mixture is quantitatively added into a mixing kettle 3, stirring is started, the materials are fully mixed, after the mixture is completely mixed, the materials are collected through a buffer tank 18, then the materials are transported into a screw extruder 6 through a material elevator 4, the materials are heated and melted, then extruded and filtered, the materials are pumped into a spinning box 9 through the metering pump 15, spinning is carried out at a certain temperature and pressure, then the materials enter a net forming machine 11 to obtain a semi-finished product, at the moment, the standing treatment is not carried out, but the filtration efficiency of the original cloth is tested through a filtration efficiency tester 12, according to the filtration efficiency conditions of different positions of the original cloth, and sequentially adjusting the temperature of each area of a die head of the screw extruder 6, correspondingly increasing the temperature of the area with low filtration efficiency, increasing the fluidity of the area, and performing electret treatment after the filtration efficiency of each position of the original cloth is uniform. And after the electret treatment is finished, winding, slitting and packaging are finally carried out.
According to the utility model, a master batch dryer 19 is added to dry the additionally added master batches, then the master batches are utilized to have good fluidity and good smoothness, the fibers are thinned under the action of high hot air quantity and temperature, electret treatment is not carried out firstly after the melt-blown cloth is produced, a filter efficiency tester 12 is added, the temperature of each area of a die head is sequentially adjusted according to the filtering effect conditions of different positions of the original cloth, the temperature of the area with low filtering effect is correspondingly increased, the fluidity of the area is increased, and the electret treatment is carried out after the filtering effect of each position of the original cloth is uniform, so that a product is formed for use in the subsequent process. The filtration efficiency of the test after the melt-blown cloth is de-electrified in the post-process is 68 percent, the uniformity is controlled to be 5 percent, and the requirement for liquid filtration is met.
Claims (6)
1. The utility model provides a melt-blown fabric production system for liquid filtration which characterized in that: comprises a mixing kettle (3), a raw material feeder (2) is arranged above the mixing kettle (3), and the raw material feeder (2) is respectively connected with a polypropylene drier (1) and a master batch drier (19); a buffer tank (18) is arranged below the mixing kettle (3), a material lifter (4) is arranged below the buffer tank (18), a feeding hopper (5) is arranged at one end of the material lifter (4), and the lower part of the feeding hopper (5) is connected with a screw extruder (6); one end of the screw extruder (6) is sequentially connected with a filtering system (16), a metering pump (15), a spinning box (9) and a web former (11), and the web former (11) is respectively connected with a filtering efficiency tester (12) and an electret device (13); the electret device (13) is connected with a winding splitting machine (14).
2. The meltblown fabric production system for liquid filtration of claim 1, wherein: and metering pumps (15) are respectively arranged on pipelines connected with the raw material feeder (2), the polypropylene dryer (1) and the master batch dryer (19).
3. The meltblown fabric production system for liquid filtration of claim 1, wherein: one end of the screw extruder (6) is connected with a motor (17).
4. The meltblown fabric production system for liquid filtration of claim 1, wherein: the spinning box (9) is connected with the heater (8).
5. The meltblown fabric production system for liquid filtration of claim 4, wherein: the heater (8) is connected with the pressure airflow pipeline (7).
6. The meltblown fabric production system for liquid filtration of claim 1, wherein: the web former (11) is connected with a cold air pipeline (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220474046.7U CN216738640U (en) | 2022-03-04 | 2022-03-04 | Melt-blown fabric production system for liquid filtration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220474046.7U CN216738640U (en) | 2022-03-04 | 2022-03-04 | Melt-blown fabric production system for liquid filtration |
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| Publication Number | Publication Date |
|---|---|
| CN216738640U true CN216738640U (en) | 2022-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220474046.7U Active CN216738640U (en) | 2022-03-04 | 2022-03-04 | Melt-blown fabric production system for liquid filtration |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115216891A (en) * | 2022-06-27 | 2022-10-21 | 广东春夏新材料科技股份有限公司 | Antibacterial polypropylene melt-blown cloth material and preparation process thereof |
-
2022
- 2022-03-04 CN CN202220474046.7U patent/CN216738640U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115216891A (en) * | 2022-06-27 | 2022-10-21 | 广东春夏新材料科技股份有限公司 | Antibacterial polypropylene melt-blown cloth material and preparation process thereof |
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