Sedimentation Inlet Module Circulation Space Design
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Solution Overview
Problem
Conventional sedimentation plants face inefficiencies in cleaning performance due to short offset lengths in inlet modules, leading to direct and turbulent flow, which reduces throughput time and increases the risk of contamination in infiltration systems.
Innovation Solution
The introduction of an inlet module with a circulation space between the inlet device and the closable end of the pipe section, where the liquid flows in a counter-directional circular path before proceeding to the outlet, extending the flow path and reducing turbulence, thereby enhancing cleaning performance without altering the overall system length.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the offset length in the inlet module is kept short (conventional design), then the device complexity is reduced and the inlet module is more compact, but the flow path is shortened leading to turbulent flow and reduced sedimentation efficiency
Solution Approach 1:
The inlet nozzle is angled relative to the longitudinal axis of the pipe section, directing flow not only downward but also toward the closed end. This angular orientation creates a three-dimensional circulation pattern within the circulation space, transforming the flow from a simple linear path to a multi-directional circulation that enhances sedimentation without increasing the linear offset length
2Reliability
If the offset length is increased to create a circulation space, then the throughput time is increased and laminar flow is improved, but the inlet module length and overall system complexity increase
Solution Approach 1:
The offset length is optimized to a specific range (at least the inner diameter of the pipe section, preferably at least 1.5 times the inner diameter, but no more than 2.5 times) to create an effective circulation space. This parameter optimization ensures sufficient circulation for enhanced sedimentation while controlling the inlet module length and maintaining system compactness
3Productivity
If the inlet nozzle opens directly downward (conventional design), then the flow path is short and direct, but turbulence increases and cleaning performance decreases
Solution Approach 1:
The inlet nozzle is designed with asymmetric orientation, opening at an angle to the longitudinal axis rather than directly downward. This asymmetric configuration creates a circulation pattern that combines downward flow with radial movement toward the closed end, reducing turbulence and enhancing particle settlement while maintaining flow throughput
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 increases the throughput time and laminar flow, improving cleaning performance by allowing a more effective settling of particles, even with a smaller pipe diameter, and reduces turbulence, resulting in better sedimentation efficiency.
Implementation Method 1
Strong turbulence can be avoided, and a flow with a greater laminar component can be generated
Implementation Method 2
The end of the inlet nozzle projecting into the interior of the pipe section is angled relative to the longitudinal axis of the inlet nozzle, so that the inlet nozzle opens towards the circulation space
Implementation Method 3
Sedimentation systems are designed to allow undissolved pollutants of varying densities to settle out of liquids
Data Source
Figure 1
Figure 2~3
AI summary
The invention relates to an inlet module (10) for a sedimentation system, comprising a tube piece (11) and at least one inlet device (16), through which a liquid can be introduced into the tube piece (11). In the axial direction, the tube piece (11) has a first closable end (11a), which is arranged at a distance from the inlet device (16) by an offset length (A) in the axial direction, and a second open end (11b) which is designed to connect to another module (20) of the sedimentation system. The offset length (A) is dimensioned such that a circumferential space (19) is formed between the inlet device (16) and the closable axial end (11a) of the tube piece (11), wherein the liquid introduced into the inlet module (10) by the inlet device (16) can circulate in the circumferential space before being further conducted in the direction of the open end (11b) of the tube piece (11) of the inlet module (10).