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Novel scale inhibition method of bionic super-hydrophobic surface cooperating with physical field

A super-hydrophobic surface, physical field technology, applied in vacuum evaporation coating, coating, sputtering coating and other directions, can solve the problems of environmental pollution, incomplete scale inhibition, high energy consumption, achieve green methods and reduce energy consumption , the effect of simple process

Pending Publication Date: 2022-06-24
CENT CHINA BRANCH OF CHINA DATANG CORP SCI & TECH RES INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a new scale inhibition method with bionic superhydrophobic surface and physical field in order to solve the common problems of high energy consumption, environmental pollution, and incomplete scale inhibition in the existing scale inhibition technology

Method used

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  • Novel scale inhibition method of bionic super-hydrophobic surface cooperating with physical field
  • Novel scale inhibition method of bionic super-hydrophobic surface cooperating with physical field
  • Novel scale inhibition method of bionic super-hydrophobic surface cooperating with physical field

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Experimental program
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Effect test

Embodiment 1

[0039] In this embodiment, a super-hydrophobic copper sheet is prepared by using a metal copper sheet as a substrate, and a novel scale-inhibiting method of bionic super-hydrophobic surface synergistic physical field includes the following steps:

[0040] (1) Take a 5cm×5cm copper sheet for sanding, rinse with ethanol after grinding and dry it for use; after drying, place the polished and rinsed copper sheet in a 1.5mol / L HCl solution at 70°C Etched for 9 min, and rinsed with ethanol after taking out to obtain a super-hydrophilic copper sheet;

[0041] (2) place the super-hydrophilic copper sheet horizontally at 3 cm above the tallow, and then place it in a tube furnace for evaporation. After the evaporation process is completed, the tube furnace is cooled to room temperature and taken out to obtain a bionic super-hydrophobic copper sheet with low adhesion;

[0042] (3) The scale inhibition experiment was carried out by the hanging plate method, and 100 mL of CaCl with a conc...

Embodiment 2

[0044] In this embodiment, a super-hydrophobic copper sheet is prepared by using a metal copper sheet as a substrate, and a novel scale-inhibiting method of bionic super-hydrophobic surface synergistic physical field includes the following steps:

[0045] (1) Take a 5cm×5cm copper sheet for sanding, rinse with ethanol after grinding and dry it for use; after drying, place the polished and rinsed copper sheet in a 2.5mol / L HCl solution at 50°C Etching for 8min, after taking out, rinse with ethanol to obtain a super-hydrophilic copper sheet;

[0046] (2) The super-hydrophilic copper sheet was placed horizontally at 9 cm above the tallow, and then placed in a tube furnace for evaporation. The tube furnace was heated to 260 ° C at a heating rate of 5 ° C / min, and evaporated for 12 min. After the evaporation process is completed, the tube furnace is cooled to room temperature and taken out to obtain a bionic super-hydrophobic copper sheet with low adhesion;

[0047] (3) The scale in...

Embodiment 3

[0049] In this embodiment, a super-hydrophobic copper sheet is prepared by using a metal copper sheet as a substrate, and a novel scale-inhibiting method of bionic super-hydrophobic surface synergistic physical field includes the following steps:

[0050] (1) Take a 5cm×5cm copper sheet for sanding, rinse with ethanol after grinding and dry it for use; after drying, place the polished and rinsed copper sheet in 1.5mol / L H2O 2 SO 4 In the solution, etched at 60 °C for 8 min, taken out and rinsed with ethanol to obtain a superhydrophilic copper sheet;

[0051] (2) The super-hydrophilic copper sheet is placed horizontally at 8 cm above the tallow, and then placed in a tube furnace to carry out evaporation. After the evaporation process is completed, the tube furnace is cooled to room temperature and taken out to obtain a bionic super-hydrophobic copper sheet with low adhesion;

[0052] (3) The scale inhibition experiment was carried out by the hanging plate method, and 100 mL o...

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Abstract

The invention discloses a novel scale inhibition method of a bionic super-hydrophobic surface cooperating with a physical field, and belongs to the technical field of material scale inhibition. The method comprises the specific steps that firstly, metal copper is etched through etching liquid, then beef tallow is deposited on the copper surface in an evaporation mode to obtain the bionic super-hydrophobic copper surface, finally, the bionic super-hydrophobic copper surface is used for cooperating with a physical field for scale inhibition, and experiments show that the scale inhibition efficiency of cooperation of the bionic super-hydrophobic copper surface and the physical field can reach 100%. The novel scale inhibition method not only has an excellent scale inhibition effect and can greatly reduce the use energy consumption of a physical field, but also has the advantages of being green, free of fluorine-containing pollution, simple in process, low in cost and the like, the bionic super-hydrophobic copper surface has super-hydrophobicity and low adhesion at the same time, the maximum water contact angle can reach 156.1 degrees, and the scale inhibition effect is good. And the catalyst can be effectively applied to corrosion prevention, oil-water separation, self-cleaning and the like.

Description

technical field [0001] The invention relates to a novel scale-inhibiting method with a bionic super-hydrophobic surface synergistic physical field, and belongs to the technical field of material scale-inhibiting. Background technique [0002] Scaling on the surface of materials in industry and life is a common phenomenon. Scaling will have a huge impact on industrial production and life, such as reducing heat transfer efficiency, increasing energy loss, wasting a lot of financial resources, and even causing boilers or pipelines. An explosion occurred, seriously affecting life safety and industrial production. Therefore, it is very important to effectively solve the problem of scaling on the surface of materials. [0003] At present, there are two main methods of scale inhibition: the first is chemical method, and the second is physical method. The chemical method is mainly to treat the aqueous solution by using chemical agents, such as adding scale inhibitors. The chemica...

Claims

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Application Information

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IPC IPC(8): C23F15/00C23C14/24C23C14/12C23C14/02C23F1/02
CPCC23F15/005C23C14/24C23C14/028C23F1/02C23C14/12
Inventor 王可可孙勇王浩徐华伟赵博牛晓东李嘉晨张慧茹
Owner CENT CHINA BRANCH OF CHINA DATANG CORP SCI & TECH RES INST CO LTD
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