A kind of ultra-high polymer microporous filter material, processing equipment and processing method

An ultra-high polymer and ultra-high molecular weight technology, which is applied to ultra-high polymer microporous filter materials and processing equipment and processing fields, can solve the problems of inability to realize automatic continuous production, simple dispersion of production equipment units, and backward production technology of filter materials. Achieve the effect of improving the ability to protect the environment and health of residents, low cost and long service life

Active Publication Date: 2018-06-05
丹东天皓净化材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The production process of the filter material is backward, the internal structure is uneven, the performance of various technologies is not ideal, the production equipment units are scattered and simple, automatic continuous production cannot be realized, the power consumption is high, the productivity is low, the production cost is high, and the application field is limited.

Method used

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  • A kind of ultra-high polymer microporous filter material, processing equipment and processing method
  • A kind of ultra-high polymer microporous filter material, processing equipment and processing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] Such as figure 1 As shown, the feeding machine 1 is an automatic powder feeding machine, which automatically adds powder raw materials into the feeding hopper.

[0050] The reducer 3 adopts a high-strength hard-toothed helical gear reducer to drive the single-screw plunger integrated machine to work.

[0051] The upper part of the high-temperature stretching working chamber 15 is respectively provided with compressed nitrogen gas introduction pipes 9, and the compressed nitrogen gas is introduced into the high-temperature stretching working chamber to make the raw material form an air-floating semi-molten state.

[0052] The reciprocating traction device 25 adopts the frequency conversion speed regulating cylinder linkage mechanism, and reciprocates, so that the profile is only drawn forward and displaced.

[0053] The cutting machine 13 performs chip-free fixed-length cutting to the profiles with stable dimensions.

[0054] The mold head 18 allows the uniform air-flo...

Embodiment 2

[0058] According to the principle that when the polymer melt is pulled, the molecular chain will be oriented and relaxed, the melt extrusion stretching process is designed to produce micropores by low-temperature stretching, and expand the micropores by high-temperature stretching, so that the pore size can be adjusted according to the mixture. The particle size of the raw material and the temperature and pressure parameters of the extrusion machine can be adjusted flexibly.

[0059]The technological parameters of manufacturing characteristic ultra-high molecular microporous gas-liquid filter material by extrusion fluorine leaching process raw material ratio are as follows:

[0060] 1) The running speed of the extruder is 35 rpm / min

[0061] 2) The running speed of the traction device is 0.13m / min

[0062] 3) Produce Φ340mm, wall thickness 2.3mm filter cartridges, and the finished product forming speed of the production line is 6.5m / h.

[0063] 4) Low-temperature stretching ...

Embodiment 3

[0072] After weighing various raw materials according to the following proportions, fully stir them in a three-dimensional high-speed powder mixer, mix them for 15 minutes, and take them out for later use.

[0073] Ultra-high molecular weight polyethylene powder with a particle size of 63-108 μm: 81-77%;

[0074] High-density polyethylene powder with a particle size of 43-69 μm: 8.8-8.4%;

[0075] Hollow glass microspheres with a particle size of 63-89μm: 8.3-7.1%;

[0076] Conductive carbon black with a particle size of 42-53 μm: 4.9-4.5%.

[0077] Add the mixed powder into the hopper of the extruder.

[0078] Start the heating and heating operation system of each part of the extruder through the touch screen.

[0079] Input the following parameters through the touch screen: 151℃±2℃; pressure 0.26MPa; 169℃±2℃; pressure 0.35MPa; 164 ℃±2℃, pressure 0.32MPa.

[0080] After 15-20 minutes, the temperature control digital display of each part of the extruder reaches the set pa...

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Abstract

The invention relates to an ultrahigh molecular microporous filter material. The ultrahigh molecular microporous filter material comprises, by mass percent, 77%-81% of ultrahigh molecular weight polyethylene powder, 8.4%-8.8% of high density polyethylene powder, 7.1%-8.3% of hollow glass beads and 4.5%-4.9% of conductive black. Machining equipment of the microporous filter material comprises a charging machine, a speed reducer, an extruder, a reciprocating dragger, a stabilization cavity, a cutting machine and a conveying belt. The charging machine is connected with a charging hopper of the extruder through a charging pipeline. The input end of the extruder is connected with the speed reducer, and the reciprocating dragger, the stabilization cavity, the cutting machine and the conveying belt are sequentially arranged at the output end of the extruder. The ultrahigh molecular microporous filter material is an air purification filter material which is low in cost, long in service life, efficient, low in resistance and capable of filtering away pm2.5. The ultrahigh molecular microporous filter material is high in precision, strength and efficiency, long in service life, capable of being repeatedly utilized and resistant to corrosion and static electricity. Huge linkage economic benefits and social benefits are generated.

Description

technical field [0001] The invention relates to an ultra-high polymer microporous filter material, processing equipment and processing method, and has unique technical performance. Manufacture characteristics Ultra-high polymer microporous gas-liquid filter material. technical background [0002] The existing air dust removal plastic fired plate filter materials at home and abroad are all made of ultra-high molecular weight polyethylene powder and other powder raw materials are added in proportion. After being fully stirred and mixed evenly, they are added to the inner surface of the cavity to form a PTFE film by electrostatic spraying process. The steel mold is heated and sintered as a whole, cooled and formed to make a plastic fired plate filter material with a polytetrafluoroethylene film on the outer surface. The production process of the filter material is backward, the internal structure is uneven, the performance of various technologies is not ideal, the production e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C67/20B29C55/30B29C47/92B29K23/00B29K507/04B29C48/92
CPCB29C48/92B29C55/30B29C67/20B29C2948/92514B29C2948/92704B29K2023/065B29K2023/0683B29K2507/04
Inventor 任延国冀艳芹
Owner 丹东天皓净化材料有限公司
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