Title :
The design and experimental research of high-power and high-frequency electromagnetic anti-scaling system
Author :
Xi, Zhaohui ; Xiong, Lan ; Gao, Biao ; Cheng, Chenlu ; Lai, Quan ; He, Wei
Author_Institution :
State Key Lab. of Power Transm. Equip. & Syst. Security & New Technol., Chongqing Univ., Chongqing, China
Abstract :
The high frequency electromagnetic anti-scaling is widely studied as a nonpolluting anti-scaling technology of the circulating cooling water system. The anti-scaling mechanism is that the high frequency electromagnetic field can change the speed of crystallization and the crystal size of calcium carbonate, which is the most common form of scales. According to the requirements of the high frequency electromagnetic anti-scaling technology, we designed a high power and high frequency electromagnetic anti-scaling system, whose output frequency ranges from 10 KHz to 1MHz and output power can reach 200W. In addition, a micro-prototype circulating water equipment was designed for the experimental research. Observed under scanning electron microscope, the shape and size of carbonate crystals had obvious changes after the electromagnetic processing, which indicated that high frequency electromagnetic had a commendable anti-scaling effect.
Keywords :
calcium compounds; cooling; crystal growth from solution; crystallisation; electromagnetic waves; high-frequency effects; scanning electron microscopy; water treatment; calcium carbonate; circulating cooling water system; circulating water equipment; crystal size; crystallization; electromagnetic processing; high-frequency electromagnetic antiscaling system; nonpolluting antiscaling technology; scanning electron microscope; Bridge circuits; Calcium; Crystals; Electromagnetics; Frequency control; Power amplifiers; Signal generators; anti-scaling; circulating cooling water system; full bridge power amplifier; high frequency signal generator;
Conference_Titel :
Biomedical Engineering and Informatics (BMEI), 2010 3rd International Conference on
Conference_Location :
Yantai
Print_ISBN :
978-1-4244-6495-1
DOI :
10.1109/BMEI.2010.5639257