Multi-Cyclone Control Air for Separation Efficiency
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Solution Overview
Problem
Existing multi-cyclone systems face challenges in efficiently separating fine and very fine particles due to limitations in controlling the carrier gas flow and the introduction of infiltrated air, which affects the separation efficiency and purity of particles.
Innovation Solution
A method for operating a multi-cyclone that involves supplying each cyclone with a carrier gas flow of equal volume and using cyclone control air to adjust the quantity, fineness, and purity of very fine particles, while minimizing infiltrated air through a low-infiltrated-air extraction device, allowing for centralized control of the cyclone control air supply to influence the separation properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the carrier gas flow is increased to improve separation efficiency, then the separation of fine and very fine particles is improved, but the infiltration of air into the cyclone increases, reducing purity
Solution Approach 1:
A control air supply system is introduced as an intermediary element that mediates between the carrier gas flow and the cyclone separation process. By supplying controlled air to the lower chamber, the system regulates the pressure balance and prevents unwanted air infiltration while maintaining effective separation of fine and very fine particles.
Solution Approach 2:
The system changes the pressure parameter in the lower chamber by introducing control air, which alters the flow dynamics and prevents air infiltration. This parameter change allows the carrier gas flow to be optimized for separation efficiency without the harmful side effect of air infiltration.
2Productivity
If the cyclone grit discharge is optimized to remove fine particles efficiently, then the separation of fine grain is improved, but air infiltration through the discharge device increases
Solution Approach 1:
The control air supply acts as an intermediary that compensates for the air infiltration occurring during grit discharge. By actively supplying controlled air to the lower chamber, the system balances the pressure differential caused by discharge operations, preventing additional unwanted air from entering the cyclone.
3Manufacturing precision
If the carrier gas flow is controlled to achieve high purity separation, then the purity of very fine particles is improved, but the throughput of the multi-cyclone system is reduced
Solution Approach 1:
The system dynamically adjusts the control air supply quantity to optimize the balance between purity and throughput. By varying the control air flow rate, the system can adapt to different operating conditions and achieve high purity separation without permanently sacrificing throughput capability.
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 approach enables efficient separation of fine and very fine particles with a high degree of purification, maintaining a stable operating point and optimizing throughput by adjusting the cyclone control air, thereby improving the overall separation efficiency and reducing the impact of infiltrated air.
Implementation Method 1
The particles located in the carrier gas are guided by their centrifugal force to the wall of the cylindrical area and then decelerated in the subsequent conical area
Implementation Method 2
carrier gas containing the particles to be separated is blown tangentially into the inlet cylinder
Data Source
AI summary
The invention relates to a multi-cyclone and to a method for operating such a multi-cyclone for separating fine material and very fine material. In this context, a multi-cyclone according to the invention has multiple individual cyclones which are of essentially identical construction and which are housed in a housing that has an upper and a lower chamber. Via a supply into the lower chamber it is possible to introduce in a targeted manner cyclone regulating air which can be used to set the quantity, the fineness and/or the purity of the material separated by means of the multi-cyclone.