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Device for preparing natural nanometer fibers through continuous ultrasonic method and continuous ultrasonic method

A technology of nanofiber and ultrasonic method, which is applied in fiber treatment, spinning solution preparation, textile and papermaking, etc., can solve the problem of inability to meet the needs of large-scale industrial production of natural nanofibers, uneven energy distribution of natural nanofibers, and non-continuous Chemical processing and other issues, to achieve uniform treatment effect, large ultrasonic radiation area, to meet the effect of large production volume

Inactive Publication Date: 2013-04-24
NORTHEAST FORESTRY UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problems of uneven energy distribution in the existing ultrasonic separation and preparation of natural nanofibers, too small test scale, incapable of continuous processing, and inability to meet the needs of large-scale industrial production of natural nanofibers, and to provide a Equipment and method for preparing natural nanofibers by continuous ultrasonic method

Method used

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  • Device for preparing natural nanometer fibers through continuous ultrasonic method and continuous ultrasonic method

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specific Embodiment approach 1

[0015] Specific implementation mode one: combine figure 1 Describe this embodiment, this embodiment comprises ultrasonic device, reactor 1 and feed pipe 2, and described ultrasonic device comprises workbench 3, ultrasonic tank 4, discharge pipe 5, controller 6, ultrasonic generator 7 and several Ultrasonic transducer 8, the ultrasonic tank 4 is embedded in the inside of the workbench 3, the bottom of the ultrasonic tank 4 is provided with a discharge port 4-1, and the input end of the discharge pipe 5 is connected to the discharge port 4-1 , several ultrasonic transducers 8 are evenly distributed along the length direction of the ultrasonic tank 4, and the probe end of each ultrasonic transducer 8 is arranged in the ultrasonic tank 4, and the controller 6 and the ultrasonic generator 7 are arranged in sequence in the ultrasonic tank 4. Below the workbench 3, the controller 6 is used to control the ultrasonic power, ultrasonic gap time, display operating parameters and fault al...

specific Embodiment approach 2

[0016] Specific implementation mode two: combination figure 1 This embodiment is described. The difference between this embodiment and the first embodiment is that it also has a temperature controller 9 which is arranged on the outer wall of the ultrasonic tank 4 . The temperature controller 9 plays the role of controlling the temperature in the ultrasonic tank 4 . Thermostat 9 is a commercially available product. Other components and connections are the same as those in the first embodiment.

specific Embodiment approach 3

[0017] Specific implementation mode three: combination figure 1 This embodiment is described. The difference between this embodiment and the specific embodiment 1 or 2 is that it also adds a sound insulation wall 10 , and the sound insulation wall 10 is laid along the six sides of the ultrasonic tank 4 . The sound insulation wall 10 is a sound insulation material, and the sound insulation wall 10 plays a role in reducing ultrasonic working noise. Other compositions and connections are the same as those in Embodiment 1 or 2.

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Abstract

The invention discloses a device for preparing natural nanometer fibers through a continuous ultrasonic method and the continuous ultrasonic method and aims to solve the problems that the energy distribution is uneven, the test scale is small and batch industrial production of natural nanometer fibers cannot be met in a prior ultrasonic method for separating and preparing natural nanometer fibers. The device comprises that an ultrasonic tank is embedded in a work platform; a discharge pipe is connected with a discharge port; a plurality of ultrasonic transducers are evenly distributed along the length direction of the ultrasonic tank, and probe ends of the ultrasonic transducers are arranged in the ultrasonic tank; a controller and an ultrasonic generator are arranged under the ultrasonic tank successively; and a reaction still is arranged outside the work platform and above the ultrasonic tank, an input end of a feed pipe is connected with a discharge port of the reaction still, and an output end of the feed pipe is communicated with the ultrasonic tank. The method comprises preparation of a reactant mixture of natural fibrous materials; delivery of the reactant mixture to the ultrasonic tank; ultrasound treatment; discharging; and continuous preparation.

Description

technical field [0001] The invention relates to an equipment and method for preparing natural nanofibers, in particular to an equipment and method for preparing natural nanofibers by a continuous ultrasonic method. Background technique [0002] Ultrasound can be used for solid crushing, emulsification, degassing, dust removal, descaling, cleaning, sterilization, promotion of chemical reactions and biological research, etc. Ultrasonic cell pulverizer is a multi-functional and multi-purpose instrument that uses strong ultrasonic waves to generate cavitation effects in liquids and ultrasonically crush substances. It can be used to crush various animal and plant cells and virus cells. It can also be used to Emulsification, separation, homogenization, extraction, defoaming, cleaning and accelerating chemical reactions, etc., are widely used in biochemistry, microbiology, medicinal chemistry, surface chemistry, physics, zoology and other fields. [0003] Natural biological fiber ...

Claims

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Application Information

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IPC IPC(8): D01D5/00D01D1/02D01D11/00
Inventor 于海鹏陈文帅刘永壮李勍
Owner NORTHEAST FORESTRY UNIVERSITY
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