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Liquid energy-saving efficient heating evaporation method, interface material and preparation method

An interface material, heating evaporation technology, applied in evaporation, separation methods, chemical instruments and methods, etc., can solve the problems of poor preparation accuracy, environmental pollution, etc., and achieve the effects of short time consumption, high radiation rate, and energy-saving efficiency

Active Publication Date: 2022-04-12
CENT SOUTH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The main purpose of the present invention is to provide an energy-saving and high-efficiency heating and evaporating method for liquid, interface material and preparation method, aiming to solve the problem of poor preparation accuracy and large environmental pollution of existing methods for preparing superhydrophilic or superhydrophobic materials. question

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  • Liquid energy-saving efficient heating evaporation method, interface material and preparation method
  • Liquid energy-saving efficient heating evaporation method, interface material and preparation method
  • Liquid energy-saving efficient heating evaporation method, interface material and preparation method

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preparation example Construction

[0025] Please refer to the attached Figure 1~5 , the present invention provides an energy-saving and high-efficiency heating and evaporation method for liquid, an interface material and a preparation method. The preparation method includes the steps of: providing a metal material substrate, and processing micro-nano structures on the surface of the metal material substrate by means of laser processing , wherein the micro-nano-scale structure includes an irregular porous structure.

[0026] Specifically, to prepare liquid energy-saving and high-efficiency heating interface materials, the material selected is a metal material substrate, and a variety of metal materials can be used, which can be selected according to actual needs, including but not limited to one or more of copper or stainless steel. In this paper In the embodiment, stainless steel is taken as an example.

[0027] It is worth noting that laser is used for processing, and laser processing methods include various...

Embodiment 1

[0038] (1) The metal material substrate is a stainless steel substrate, and it is a circular stainless steel substrate with a diameter of 15mm;

[0039] (2) Use a femtosecond laser to process the surface of a circular stainless steel substrate to process a micro-nano-scale structure; the laser processing method is laser linear scanning, and the parameters of laser processing are: laser frequency 160KHz, energy 8.2W, scanning The speed is 30mm / s, and the scanning distance is 15μm.

[0040] (3) The processed circular stainless steel substrate is used as a heating plate, and the circular stainless steel substrate is placed on a constant temperature platform, and the processing surface with a micro-nano-scale structure is placed upward; the temperature of the constant temperature platform is set to 200 ° C;

[0041] (4) Drop 0.6ml of distilled water on the processing surface, and test the time consumed by the complete evaporation of water; Figure 4 As shown, the time consumed by...

Embodiment 2

[0044] (1) The metal material substrate is a stainless steel substrate, and it is a circular stainless steel substrate with a diameter of 15mm;

[0045] (2) Use a femtosecond laser to process the surface of a circular stainless steel substrate to process a micro-nano-scale structure; the laser processing method is laser linear scanning, and the parameters of laser processing are: laser frequency 160KHz, energy 8.2W, scanning The speed is 30mm / s, and the scanning distance is 15μm.

[0046] (3) Use the processed circular stainless steel substrate as a heating plate, place the circular stainless steel substrate on a constant temperature platform, and place the processed surface with the micro-nano-scale structure facing up; divide the test into four times, and set the temperature of the constant temperature platform to 130°C, 150°C, 170°C, 110°C;

[0047] (4) Drop 0.2ml of distilled water on the processing surface, and test the time consumed by the complete evaporation of water;...

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Abstract

The invention discloses a liquid energy-saving efficient heating evaporation method, an interface material and a preparation method. The preparation method comprises the steps that a metal material substrate is provided, a micro-nano structure is machined on the surface of the metal material substrate in a laser machining mode, and the micro-nano structure comprises an irregular porous structure. The evaporation method comprises the following steps: providing a heating plate made of a metal material substrate prepared by adopting the preparation method; and the heating plate is placed on a constant-temperature platform, the machining face with the micro-nano-scale structure is placed upwards, and the machining face with the micro-nano-scale structure is used for heating and evaporating the liquid to be evaporated. According to the method, the micro-nano structure is prepared on the surface of the metal material substrate through laser processing, so that the substrate has super-hydrophilicity, super-hydrophobicity and high radiance, after the substrate is made into the heating plate, evaporation of liquid can be accelerated, energy is saved, efficiency is high, and the method is environmentally friendly, efficient, short in consumed time and low in cost. The prepared interface material has important application prospects in the aspects of industrial boilers, heating devices and the like.

Description

technical field [0001] The invention relates to the fields of surface treatment and laser processing, in particular to an energy-saving and high-efficiency heating and evaporation method for liquid, an interface material and a preparation method. Background technique [0002] Liquid energy-saving and high-efficiency heating interface materials have great application value in various aspects such as life and industry. Less energy provides the same temperature, which is more in line with the current international trend of energy conservation and environmental protection. At the same time, efficient heating can promote the evaporation of liquid. Evaporation is the process of converting liquid into gas. The conversion process will absorb a lot of heat, thus To achieve the effect of cooling, evaporation can also remove the liquid to achieve the purpose of drying. In some cases, such as distillation, chemical experiments, etc., the gas can also be obtained by evaporation. Therefo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D1/00
Inventor 银恺吴志鹏何军王凌霄
Owner CENT SOUTH UNIV