Hydrocyclone Guide Medium Reduces Pressure Loss
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Solution Overview
Problem
Existing hydrocyclones face issues with high pressure loss, limited separation range, contamination, and process liquid discharge, which affects separation efficiency and requires complex cleaning, especially when separating aluminum debris from process air.
Innovation Solution
A hydrocyclone design with a cylindrical process space, a guide means that reduces turbulence and pressure loss, and a process liquid veil formed by swirling the liquid to enhance separation, allowing for a wider range of volume flows and reduced contamination, featuring a conically converging peripheral wall and a roof element for improved separation and drainage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If process fluid is sprayed in to bind solid particles and liquid droplets for separation, then separation efficiency is improved, but pressure drop increases
Solution Approach 1:
The process fluid is introduced at the lower end of the process chamber before the helical trajectory begins, allowing the fluid to be pre-positioned and form a veil along the wall. This preliminary action enables the fluid to be ready to bind particles as they pass through, improving separation efficiency without requiring additional energy input during the main separation process.
Solution Approach 2:
The process fluid acts as an intermediary substance that mediates between the gaseous process stream and the separation mechanism. By forming a veil along the process chamber wall, it provides a intermediate layer that captures particles through binding and agglomeration, improving separation while the guiding medium minimizes the energy cost of maintaining this fluid structure.
2Adaptability or versatility
If the hydrocyclone operates at high flow rates to handle process variations, then adaptability is improved, but separation efficiency deteriorates as particles pass through
Solution Approach 1:
The process fluid introduction system serves multiple functions: it binds particles for separation, forms a veil to enhance capture efficiency, and maintains effectiveness across a wide range of flow rates. This multi-functionality allows the hydrocyclone to adapt to varying process conditions while maintaining high separation efficiency, as the fluid system can adjust to different flow rates without compromising performance.
3Manufacturing precision
If process fluid is used to agglomerate particles for improved separation, then separation efficiency is improved, but process liquid is carried out with the process flow and damages downstream components
Solution Approach 1:
The harmful effect of process liquid being carried out with the process flow is extracted and separated from the main process stream. The guiding medium creates a controlled helical trajectory that allows the process fluid to remain primarily in the lower region and form a veil, preventing it from being entrained in the upward process flow that exits the cyclone, thus protecting downstream components while maintaining separation efficiency.
4Manufacturing precision
If aluminum particles are separated from process air, then contamination is reduced, but aluminum particles adhere to hydrocyclone walls and accumulate contaminants
Solution Approach 1:
The process fluid is introduced in advance to form a protective veil along the process chamber wall before particles arrive. This preliminary action creates a barrier that prevents aluminum particles from directly adhering to the wall, reducing contamination accumulation and maintaining separation efficiency over extended operation periods.
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
The design achieves a high degree of separation with low pressure loss, maintaining efficiency even with fluctuations in volume flow and preventing contamination from reaching downstream components, with a separation efficiency of over 90% for particles as small as 1 micrometer.
Implementation Method 1
a guiding medium extending coaxially to the circumferential wall in the process chamber for guiding the process stream in a helical shape between the inlet nozzle and the outlet
Implementation Method 2
a gaseous process stream is guided along a helical trajectory to carry solid particles and/or liquid droplets contained in the gas stream radially outwards
Implementation Method 3
In hydrocyclones, which are generally known from the prior art, a gaseous process stream is guided along a helical trajectory to carry solid particles and/or liquid droplets contained in the gas stream radially outwards
Data Source
Figure 1~2
Figure 3
AI summary
The present invention relates to a hydrocyclone (1) for separating solids and/or liquids from a gaseous process stream (26), comprising a process chamber (3) formed by a circumferential wall (2) and cylindrical in a first process chamber section (3.1), wherein an axial direction (A) of the process chamber (3) extends vertically and a lower region (7) of the process chamber (3) is provided for filling with a process liquid (27) up to a fill level (25), an inlet nozzle (8) penetrating the circumferential wall (2) in the lower region (7) of the process chamber (3) for introducing the process stream (26) in the circumferential direction of the process chamber (3), and a [missing element] at an upper end (5.2) an outlet (6) arranged in the process chamber (3) for the discharge of the process flow (26), and a guiding medium (10) extending coaxially to the circumferential wall (2) in the process chamber (3) for guiding the process flow (26) in a helical shape between the inlet nozzle (8) and the outlet (6). The invention further relates to a hydrocyclone arrangement (15) with a hydrocyclone (1).