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Efficient drying process

A process and high-efficiency technology, applied in drying, drying solid materials, heating to dry solid materials, etc., can solve the problems of inability to pass through the drying process, high temperature resistance, poor controllability, etc., to improve drying efficiency and reliability controlling effect

Pending Publication Date: 2022-07-22
SHENZHEN PURCOTTON TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Usually after padding / spraying, another drying process (drying or shaping step) is required. The drying temperature is often at a high temperature of 110-165°C. However, some active ingredients have properties that are not resistant to high temperatures and cannot be passed through Drying process
Drying at room temperature can solve this problem, but this method cannot be applied to actual production due to low efficiency and poor controllability

Method used

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Embodiment Construction

[0017] The concept, specific structure and technical effects of the present invention will be clearly and completely described below with reference to the embodiments and accompanying drawings, so as to fully understand the purpose, characteristics and effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, other embodiments obtained by those skilled in the art without creative efforts are all within the scope of The scope of protection of the present invention. In addition, all the coupling / connection relationships involved in the patent do not mean that the components are directly connected, but refer to a better coupling structure by adding or reducing coupling accessories according to the specific implementation. Various technical features in the present invention can be combined interactively on the premise of not ...

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Abstract

The invention discloses an efficient drying technology. The efficient drying technology comprises the following steps that S1, non-woven fabric is washed with water; adding an organic solvent with a boiling point lower than that of water into the washing solution; s2, drying the non-woven fabric, namely drying the non-woven fabric by using an infrared radiation heating device and a vacuum negative pressure box; and S3, recovering the organic solvent. Compared with the prior art, the method has the advantages of high efficiency, high controllability, no influence on fabric performance, energy loss reduction and the like.

Description

technical field [0001] The invention relates to the field of fabric preparation, and more specifically, the invention relates to a high-efficiency drying process. Background technique [0002] At present, many functional treatments of non-woven fabrics are prepared by adding functional components in the pre-treatment or post-treatment stage, and the addition of finishing liquid is realized by padding, dipping, spraying, etc. Usually after padding / spraying, another drying process (drying or setting step) is required. The drying temperature is often at a high temperature of 110-165 °C. However, some active ingredients have properties that are not resistant to high temperature and cannot pass through drying process. Drying at room temperature can solve this problem, but this method cannot be applied to actual production due to low efficiency and poor controllability. [0003] Therefore, we invented a high-efficiency drying process, which does not affect the performance of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06B3/10D06B15/00D06B23/20F26B3/30F26B5/04
CPCD06B3/10D06B15/00D06B23/20F26B3/30F26B5/04
Inventor 李建全殷兰君刘冲杨鑫权石婷婷
Owner SHENZHEN PURCOTTON TECH
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