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A Method to Solve Conical Evaporator Salt Deposition

A conical, salt deposition technology, applied in the field of solar seawater desalination, can solve the problems of declining evaporation rate, inability to realize long-term continuous and stable operation of seawater desalination, etc. anti-salt effect

Active Publication Date: 2021-11-30
HARBIN INST OF TECH
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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 solve the problem that the existing conical evaporator is prone to salt deposition, which leads to a decrease in evaporation rate and cannot achieve long-term continuous and stable operation in the seawater desalination process, and provides a method for solving the salt deposition of the conical evaporator

Method used

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  • A Method to Solve Conical Evaporator Salt Deposition
  • A Method to Solve Conical Evaporator Salt Deposition
  • A Method to Solve Conical Evaporator Salt Deposition

Examples

Experimental program
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specific Embodiment approach 1

[0022] Specific implementation mode one: a kind of method for solving the salt deposition of conical evaporator in this implementation mode is completed according to the following steps:

[0023] 1. Evenly distribute the superhydrophobic light-to-heat conversion material on one surface of the hydrophilic support substrate to obtain a light-to-heat conversion film, and then fold the light-to-heat conversion film into Conical shape to obtain a conical light-to-heat conversion film;

[0024] 2. Process a conical groove on the upper end surface of the cylindrical heat insulating device, and process a through hole along the axial direction at the center of the bottom of the conical groove, and then insert one end of a hydrophilic water guiding device from the The upper end of the through hole extends until it is exposed from the lower end of the through hole, the other end of the hydrophilic water guiding device stays at the center of the bottom of the conical groove, and then the ...

specific Embodiment approach 2

[0029] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the superhydrophobic light-to-heat conversion material described in step 1 is graphene, carbon nanotubes, carbon black, graphite, molybdenum carbide@carbon, SiO 2 and one or more of polymer copolymers.

[0030] Other steps are the same as in the first embodiment.

specific Embodiment approach 3

[0031] Specific embodiment three: the difference between this embodiment and specific embodiment one or two is: the hydrophilic support substrate described in step one is one of filter paper, non-woven fabric, cotton net, cloth strip and microporous membrane or several.

[0032] Other steps are the same as those in Embodiment 1 or 2.

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Abstract

The invention relates to a method for solving the salt deposition of a conical evaporator, which relates to the technical field of solar seawater desalination. The purpose of the present invention is to solve the problem that the existing conical evaporator is prone to salt deposition, which leads to a decrease in evaporation rate and cannot realize long-term continuous and stable operation in the seawater desalination process. Method: place the cylindrical thermal insulation device on the surface of seawater, ensure that one end of the hydrophilic water guiding device is immersed in the seawater, and then wrap the hydrophilic fiber material on the circumferential surface of the cylindrical thermal insulation device and stick it tightly At the same time, one end of the hydrophilic fiber material is uniformly distributed on the upper edge of the conical light-to-heat conversion film, and the other end of the hydrophilic fiber material is immersed in seawater to realize the in-situ anti-salt deposition function of the conical evaporator . The invention can obtain a method for solving the salt deposition of the conical evaporator.

Description

technical field [0001] The invention relates to the technical field of solar desalination of seawater, in particular to a method for solving salt deposition in a conical evaporator. Background technique [0002] Fresh water resources on the earth's surface are scarce, the total reserves are less than 0.3%, and the distribution is uneven. Coupled with the increasingly serious water pollution, the water resource crisis has become one of the biggest crises facing the world. Seawater resources are abundant and widely distributed, covering 71% of the earth's surface. Therefore, nitrogen desalination of seawater is an effective way to alleviate the water crisis. However, the existing seawater desalination technologies (such as multi-stage flash evaporation, multi-effect distillation, etc.) need to consume high-grade electric energy or fossil fuels to drive, and there are problems such as high energy consumption and high cost. Considering the increasingly severe energy crisis and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/14C02F103/08
CPCC02F1/14C02F2103/08Y02A20/124Y02A20/142Y02A20/212
Inventor 于淼朱林孙晔王元林李怡
Owner HARBIN INST OF TECH
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