Superconducting Magnetic Separation for Bio-Slime Control
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Solution Overview
Problem
Bio-slimes in open recirculating cooling systems cause equipment damage, increased energy consumption, and operational costs due to corrosion and heat transfer resistance, with existing treatments leading to resistant microorganisms and residue issues.
Innovation Solution
A physical-chemical-superconducting high gradient magnetic separation coupling process using an inorganic composite flocculant to form alum flocs, followed by superconducting high gradient magnetic separation, effectively removing Zoogloea and micro-nano particles without the need for oxidizing agents, thereby controlling bio-slimes growth.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If oxidizing bactericides and algicides are continuously added to control bio-slimes, then bio-slimes growth is suppressed, but microorganisms develop resistance and chemical residues accumulate
Solution Approach 1:
The patent replaces chemical treatment (oxidizing bactericides and algicides) with a physical treatment method using superconducting high gradient magnetic separation. The magnetic separation system physically removes Zoogloea and micro-nano particles from circulating water through magnetic field forces, eliminating the need for chemical agents and thereby preventing microorganism resistance development and chemical residue accumulation.
Solution Approach 2:
The patent changes the treatment parameter from chemical concentration to magnetic field strength. By controlling magnetic field parameters (gradient intensity, field distribution) and flow rate parameters, the system achieves effective bio-slimes control through physical means, avoiding the chemical resistance problem while maintaining reliable bio-slimes suppression.
2Reliability
If water treatment agents are continuously used to control bio-slimes, then slime growth is inhibited, but operation cost increases due to chemical consumption and disposal requirements
Solution Approach 1:
The patent substitutes chemical water treatment agents with a physical magnetic separation process. The superconducting high gradient magnetic separation system uses magnetic field forces to remove bio-slimes, eliminating ongoing chemical purchase, storage, and disposal costs, thereby reducing operational expenses while maintaining effective bio-slimes control.
3Duration of action of stationary object
If bio-slimes are not controlled, then operation cost increases due to corrosion and energy consumption, but chemical treatment introduces residues that affect long-term stable operation
Solution Approach 1:
The patent replaces chemical treatment with physical magnetic separation to eliminate chemical residues from the circulating water system. The superconducting high gradient magnetic separation process physically removes Zoogloea and micro-nano particles without introducing any chemical substances, ensuring long-term stable operation free from chemical contamination while still preventing corrosion and energy loss from bio-slimes.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This method stabilizes the water system, reduces energy and water consumption, avoids corrosion, and eliminates residue issues, providing a long-term solution for bio-slimes control without the need for additional chemicals, thus ensuring continuous operation and reduced operational costs.
Implementation Method 1
adding an inorganic composite flocculant to circulating water to gather Zoogloea in the circulating water with micro-nano particles in hydrosol through demulsification to form alum floc
Implementation Method 2
passing the resulting water obtained in step (1) through a superconducting high gradient magnetic separation system; controlling a magnetic field strength of the superconducting high gradient magnetic separation system and flow rate of the circulating water to generate strong magnetic flocculation
Implementation Method 3
superconducting high gradient magnetic separation system
Data Source
AI summary
There is provided a method for controlling bio-slimes in a clean circulating water system through a physical-chemical-superconducting high gradient magnetic separation coupling process. An inorganic composite flocculant is added to circulating water to gather Zoogloea in the circulating water with micro-nano particles in hydrosol through demulsification to form alum floc. The resulting water passes through a superconducting high gradient magnetic separation system. A magnetic field strength of the superconducting high gradient magnetic separation system and flow rate of the circulating water are controlled to generate strong magnetic flocculation to allow floc to grow, such that the Zoogloea in the circulating water wraps the micro-nano particles to separate the Zoogloea from water.