YU Dong.Design Characteristics of Central Diversion Hydrocyclone Reactor in Waterworks[J].China Water & Wastewater,2021,37(22 22):75-78.
Design Characteristics of Central Diversion Hydrocyclone Reactor in Waterworks
China Water & Wastewater[ISSN:1000-4062/CN:12-1073/TU]
volume:
第37卷
Number:
22 22
Page:
75-78
Column:
Date of publication:
2021-11-17
- Abstract:
- The treatment capacity of the extension project of Quanzhou Waterworks is 5.0×104 m3/d. According to the characteristics of low turbidity at low temperature and high algae at high temperature in Luanhe River water, a hydrocyclone reactor with central diversion was developed to successfully solve the problems of sludge deposit and mosquitoes breeding in the original reactor, so that the effluent quality met the criteria specified in Standards for Drinking Water Quality(GB 5749-2006). The principle of hydrocyclone reactor is to make use of the radial displacement of colloid and coagulant in water to produce collisions. The multiple hydrocyclone reaction chambers were operated in series, and the water was fed in a tangential direction. At the same time, the average linear velocity in the control hole was higher than the sedimentation velocity, and the turbulence facilities in the water were cancelled. To improve the reaction efficiency, a central deversion column was added into each cyclone chamber, so that good reaction performance was obtained, and no sludge was discharged during the reaction process. The sediment was discharged from the sedimentation tank intensively. After completion of the project, the effluent quality was good and the operation was stable. The hydrocyclone reactor solved the problem of sludge deposit in the reaction section and saved the equipment investment.
Last Update:
2021-11-17