Cyclone Powder Distributor with Conical Flow Path
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Solution Overview
Problem
Existing powder distribution systems face issues with uneven delivery rates and blockages due to fine or compactable powders adhering to impact surfaces, leading to inefficient distribution to multiple consumption points without the need for separate and costly conveying systems.
Innovation Solution
A powder distribution device with a conical inner wall element and cylindrical outer boundary, featuring a tangentially meeting inlet and outlets, ensures even distribution by accelerating the powder-air mixture through a narrowing flow path, reducing back pressure and enabling simultaneous, uniform discharge to multiple outlets.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If Y-distributors or T-distributors are used to distribute powder flow to several consumption points, then the system structure is simple, but fine or compactable powders adhere to the impact surfaces causing uneven delivery rates and blockages
Solution Approach 1:
The patent employs a cyclone-shaped rotating flow path with curved surfaces instead of straight impact surfaces. The powder-laden air follows a spiral trajectory along the curved wall, reducing direct impact and adhesion of fine powders to surfaces, thereby preventing blockages while maintaining system simplicity
Solution Approach 2:
The invention uses pneumatic principles by utilizing the kinetic energy and pressure differential of the moving air stream to distribute powder through a rotating flow path. The cyclone structure creates a pressure gradient that drives the powder-laden air along the curved path and directs it to multiple outlets without mechanical moving parts
2Reliability
If separate powder conveying devices are provided for each consumption point, then even delivery rates are achieved, but the system cost and complexity increase significantly
Solution Approach 1:
The patent merges multiple powder distribution functions into a single cyclone-shaped device with one inlet and multiple outlets. The rotating flow path naturally divides the powder-laden air to multiple consumption points simultaneously, achieving even delivery rates while eliminating the need for separate conveying devices for each point
Solution Approach 2:
The cyclone distribution device serves multiple functions: it conveys powder, distributes it evenly to multiple outlets, and prevents blockages all within a single structure. This multi-functional design replaces what would otherwise require multiple separate conveying systems
3Productivity
If the flow path area is reduced to increase powder distribution speed, then productivity improves, but back pressure increases causing blockages
Solution Approach 1:
The curved cyclone flow path allows the air stream to follow a spiral trajectory, maintaining higher velocities through the narrowing section without creating sharp impacts. The smooth curvature reduces turbulence and pressure losses, enabling high productivity while preventing blockages
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 configuration allows for efficient, even powder application to multiple points, reducing equipment costs and preventing blockages, while enabling precise dosing and lubrication of large surfaces without intermediate steps like preheating or drying, enhancing process reliability and simplifying production in applications like forging.
Implementation Method 1
the area of the flow path preferably decreases constantly and continuously in a section perpendicular to the longitudinal axis of the housing as you progress from the first position to the second position
Implementation Method 2
the inlet axis and the longitudinal axis being spaced from one another. The inlet axis preferably meets the annular flow path tangentially in a section perpendicular to the longitudinal axis
Data Source
Figure 1~2
Figure 3
AI summary
The invention relates to a powder distribution device (1) for distributing powdered media, comprising a housing (2) with a longitudinal axis (L), an inlet (3) for the inlet of air loaded with powder and at least two outlets (4, 5, 6) for the outlet of the air loaded with powder.In order to distribute powder-laden air, which is supplied via the inlet of the device, as evenly as possible to several outlets, the invention provides that the inlet (3) is arranged at a first position (7) of the longitudinal axis (L) of the housing (2) and that the outlets (4, 5, 6) are arranged at a second position (8) of the longitudinal axis (L) of the housing (2), wherein the second position (8) differs from the first position (7), wherein a flow path (9) for the powder-laden air is formed inside the housing (2) and wherein the area of the flow path (9) decreases at least section by section in a cross-section perpendicular to the longitudinal axis (L) of the housing (2) as it progresses from the first position (7) to the second position (8).