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Device and method for continuously washing and purifying polyether sulfone/polyether ketone resin

A polyether ketone resin and purification device technology, which is applied in the field of continuous washing and purification devices for polyether sulfone/polyether ketone resin, can solve the problems of incomplete impurity removal, complicated equipment, and high cost, and achieve convenient operation, Production cost reduction and performance improvement effects

Inactive Publication Date: 2012-02-15
KINGFA SCI & TECH CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a continuous washing and purification method of polyethersulfone / polyetherketone resin and the corresponding device for realizing this method, so as to solve the complex equipment, large energy consumption and high cost existing in the prior art , Incomplete removal of impurities and other issues

Method used

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  • Device and method for continuously washing and purifying polyether sulfone/polyether ketone resin
  • Device and method for continuously washing and purifying polyether sulfone/polyether ketone resin

Examples

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Effect test

Embodiment 1

[0030] Polyether ether ketone resin polymer prepared with sulfolane as solvent, particle size 50μm~1mm, material thickness 10mm, width 3m, each group length 6m, nylon mesh transmission track 300 mesh (aperture 48μm), divided into 3 groups, with Deionized water is used as detergent, and a continuous washing bed with 8 rows of nozzles and vacuum suction filter boxes is evenly arranged above and below each group of conveyor belts to wash and purify the solvent sulfolane and by-product NaF in the polymer, because the solubility of NaF in water is not sensitive to temperature, so Use normal temperature water to wash, the conveying speed is 0.3m / min, and the F of the final washing liquid is measured by an online ion meter. - The concentration is 0.15ppm, the production capacity of this method is about 100Kg / h, and the water consumption is about 500Kg / h, and the water consumption per kilogram of material is 5Kg, and the normal temperature treatment greatly saves energy.

Embodiment 2

[0034] Polyethersulfone resin polymer prepared with sulfolane as a solvent, particle size 0.2mm ~ 4mm, material thickness 10mm, width 3m, each group length 6m, copper mesh transmission track 150 mesh (aperture 106μm), divided into 2 groups, with Normal temperature deionized water is used as detergent, and a continuous washing bed with 8 rows of nozzles and vacuum suction filter boxes is evenly arranged above and below each group of conveyor belts to wash and purify the solvent sulfolane and by-product NaCl in the polymer, because the solubility of NaCl in water is not sensitive to temperature. Therefore, normal temperature water is used for washing, and the conveying speed is 0.2m / min. The final lotion is 1.3μs / cm measured by the online conductivity meter. The production capacity of this method is about 60Kg / h, and the water consumption is about 400Kg / h. One kilogram of material consumes 7Kg / Kg of water, and the normal temperature treatment greatly saves energy.

Embodiment 3

[0038] The polyether ether ketone resin polymer prepared with diphenyl sulfone as a solvent, with a particle size of 10 μm to 500 μm, is washed in two steps. First, it enters the first treatment system. The thickness of the material is 5mm, and the width is 3m, and the length is 15m. Stainless steel mesh Conveyor track 1500-mesh single-group sealed washing equipment with exhaust pipe, use ethanol as detergent to remove diphenyl sulfone, 20 rows of nozzles evenly distributed above and below the conveyor belt and a continuous washing bed of vacuum suction filter box to wash and purify the polymer Solvent diphenyl sulfone, because the solubility of diphenyl sulfone in ethanol is sensitive to temperature, so it is washed with hot ethanol at 60-70 °C, and the conveying speed is 0.1m / min. At the same time, the material enters the second set of washing system, with a width of 3m, each group of 6m in length, nylon mesh transmission crawler 1500 mesh, divided into 3 groups, using deioni...

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Abstract

The invention discloses a device and a method for continuously washing and purifying polyether sulfone / polyether ketone resin. The method comprises the following steps of: conveying a material on a conveying caterpillar; washing the material by uniformly spraying a cleaning solution through a multi-stage spraying device; sucking the cleaning solution out by using a vacuum suction filter box which is clung to the lower side of the conveying caterpillar; conveying the material to a previous stage spraying device, and treating the material step by step in turn; and simultaneously, stirring up the materials which are treated in each step and remixing by using a material stirring roller until the materials are washed and purified to be qualified. The equipment adopted by the invention is simple, the automation degree is high, and by the progressive recursion type continuous washing method, energy sources are greatly saved and water consumption is greatly reduced, the production capacity and the production efficiency are improved, the production cost is reduced, and the product performance is improved.

Description

technical field [0001] The invention relates to a washing and purifying device and method for polymers, in particular to a continuous washing and purifying device and method for polyethersulfone / polyetherketone resins. Background technique [0002] In the process of making polyethersulfone / polyetherketone high-temperature-resistant special engineering plastic resin, if there are various inorganic or organic impurities mixed in the product, it will reduce product performance, increase the defective rate and even directly affect the use condition, so It must be removed during preparation to obtain material of good purity. [0003] The purification technology of polyethersulfone / polyetherketone high-temperature-resistant materials has always been a secret technology and is rarely known. The post-treatment process of this type of resin is to use repeated water boiling. It is necessary to mix the material in a large amount of washing solvent to form a relatively dilute suspensio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29B15/06
Inventor 代惊奇曾祥斌曹民饶先花苏成晓吴浩斌叶南飚宁凯军陈大华
Owner KINGFA SCI & TECH CO LTD
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