Tube ultrasonic brackish water desalination equipment and method

A brackish water desalination and ultrasonic technology, applied in chemical instruments and methods, water/sewage treatment equipment, water/sewage treatment, etc., can solve the problems of high cost, high energy consumption of desalination equipment, complicated maintenance, etc., and achieve extremely easy Effect of replacement, long service life, and improvement of desalination efficiency

Active Publication Date: 2020-12-25
CHINA AGRI UNIV
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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 tubular ultrasonic brackish water desalination equipment, so as to overcome the disadvantages of high energy consumption, high cost and complicated maintenance of existing desalination equipment

Method used

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  • Tube ultrasonic brackish water desalination equipment and method
  • Tube ultrasonic brackish water desalination equipment and method
  • Tube ultrasonic brackish water desalination equipment and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032]Example 1: A tube type ultrasonic brackish water desalination equipment

[0033]byFigure 1 ~ Figure 3As shown, the tube-type ultrasonic brackish water desalination equipment of the present invention includes: a stabilized current power supply 4, a controller 5, an electric wire 6, a condensation outer tube 7, an atomizing inner tube 8 and an ultrasonic atomizing sheet 9; The pressure current power supply 4 is placed outside the tube type ultrasonic brackish water desalination equipment; the controller 5 is placed outside the tube type ultrasonic brackish water desalination equipment and is connected to the constant voltage current power supply 4; The wire 6 is connected to the ultrasonic atomization sheet 9 and the controller 5; the condensation outer tube 7 is a closed cylindrical shape, and the atomization inner tube 8 and the ultrasonic atomization sheet 9 are enclosed in it, and the bottom end of the condensation outer tube 7 It is clean water after treatment; the inner atomi...

Embodiment 2

[0042]Example 2: A method for desalination of brackish water

[0043]Combinefigure 1 ——image 3 , The brackish water desalination method is described. The desalination method includes: brackish water enters the tubular ultrasonic brackish water desalination device from the water inlet 1 and flows in the atomization inner tube 8; the ultrasonic atomization sheet 9 passes through the wire 6 It forms a positive feedback resonant circuit with the triode, capacitor, and resistance in the controller 5. Under the action of the stabilized current power supply 4, the ultrasonic atomizing sheet 9 produces high-frequency oscillations to atomize the brackish water in the atomizing inner tube 8 , Becomes water mist; the water mist contacts the outer condenser tube 7 and condenses again during the process of floating, and the condensed clear water is discharged from the clear water outlet 3 through the inner wall of the outer condenser tube 7; discharge.

Embodiment 3

[0044]Example 3: Brackish water desalination experiment

[0045](1) Artificially prepared brackish water: By adding NaCl to distilled water to prepare simulated brackish water, the salt content of brackish water is about 2000mg / L and the pH is 6.8.

[0046](2) Brackish water desalination experiment: The influent flow rate of the brackish water prepared above was controlled at 4.5 L / h, and the tubular ultrasonic brackish water desalination device described in Example 1 was continuously operated for 48 hours.

[0047](3) Experimental results: A total of about 200L of clean water after desalination was produced, the salt content of the obtained clean water was 50±10mg / L, the pH was 7.2±0.1, and the salt content of about 15L was 27.7±0.15g / L. Salt wastewater, the treatment efficiency is: 200 / (200+15)*100%=93.02%; the equipment only needs about 48kWh / m3Energy consumption, while the commonly used heating distillation desalination method requires about 800kWh / m3Energy consumption.

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Abstract

The invention discloses tubular ultrasonic brackish water desalination equipment. The equipment consists of a voltage and current stabilized power supply, a controller, wires, a condensation outer tube, an atomization inner tube and ultrasonic atomization sheets. The voltage and current stabilized power supply is disposed outside the tubular ultrasonic brackish water desalination equipment; the controller is arranged outside the tubular ultrasonic brackish water desalination equipment and is connected to the voltage and current stabilized power supply; the wires are connected to the ultrasonicatomization sheets and the controller; the condensation outer tube is a closed cylinder, and wraps the atomization inner tube and the ultrasonic atomization sheets inside; the atomization inner tubeis disposed inside the condensation outer tube, and is equipped with the built-in ultrasonic atomization sheets; and the ultrasonic atomization sheets are disposed at the bottom end inside the atomization inner tube at an interval. The tubular ultrasonic brackish water desalination equipment can prolong or reduce the pipeline length, increase or reduce the number of arranged ultrasonic atomizationsheets, also can achieve multi-stage parallel use or tandem use, has good water production performance, low relative energy consumption, high brackish water treatment efficiency, and also has degerming effect. Besides, the adopted ultrasonic atomization sheets have long service life and are easy to replace.

Description

Technical field[0001]The invention belongs to the technical field of brackish water desalination equipment, and in particular relates to a tubular ultrasonic brackish water desalination equipment and a method thereof.Background technique[0002]While the economy continues to develop at a high speed, China is facing a serious shortage of fresh water resources. There are more than 38 million people drinking brackish water in rural my country. In northern China, the area of ​​arable land accounts for 59.2% of the country’s total, and the population accounts for 44.3% of the country’s total. Water resources account for only 14.7% of the country’s total. At the same time, a large part of it is brackish water.[0003]Brackish water has evolved and formed under the combined effects of many factors in a long historical period and a complex geographic environment. Generally, it refers to water with alkalinity greater than hardness, salt content of 1000-8000 mg / L, and pH value greater than 7. . D...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/36
CPCC02F1/36C02F2201/002C02F2303/04
Inventor 谢恩谭倩杜太生赵枭
Owner CHINA AGRI UNIV
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