Drying Device Rotor Flushing Line Sediment Management
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Solution Overview
Problem
Existing drying devices for mixtures of liquids and solids face issues with sediment deposits at the bottom of the receptacle, which hinder the drying process and make emptying inefficient, leading to increased operational effort.
Innovation Solution
A drying device with a rotor and a flushing line that circulates the mixture to suspend and remove sediments, combined with through openings in the driving elements to enhance gas flow and drying efficiency, and a control unit for coordinated operation of pumps to facilitate efficient emptying.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the rotor continuously dips driving elements into the mixture for drying, then evaporation efficiency is improved, but sediment deposits form at the bottom of the receiving container
Solution Approach 1:
The invention implements periodic action by alternating between drying operation (rotor rotating to dip driving elements) and flushing operation (flushing pump circulating mixture). This periodic switching prevents continuous sediment deposition while maintaining drying efficiency during active drying phases.
Solution Approach 2:
The invention converts the harmful sediment deposits into a beneficial circulation flow. By using the flushing pump to circulate the mixture through the receiving container, the previously harmful settled sediments are now actively moved and redistributed, preventing blockages and maintaining system performance.
2Quantity of substance
If deposits accumulate in the receiving container, then the container fills up, but the rotor cannot turn and the drying process is blocked
Solution Approach 1:
The invention applies preliminary action by implementing the flushing line and pump system that proactively prevents deposit accumulation before it can block the rotor. The periodic flushing operation prepares the system by removing potential blockages before they interfere with the drying process.
Solution Approach 2:
The flushing pump and circulation system act as an intermediary mechanism between the sediment deposits and the rotor. Instead of allowing deposits to directly block the rotor, the flushing system mediates by continuously moving the mixture and preventing deposit formation in critical areas.
3Quantity of substance
If the receiving container is emptied completely, then storage capacity is reduced, but additional emptying effort is required
Solution Approach 1:
The invention implements self-service by enabling the system to flush and clean itself through the integrated flushing pump and circulation line. The system automatically prevents deposit accumulation and facilitates easy emptying without requiring additional manual intervention or separate cleaning operations.
4Device complexity
If driving elements are solid without through-openings, then structure is simple, but gas flow cannot penetrate the mixture adhering to them
Solution Approach 1:
The invention applies the porous materials principle by incorporating through-openings in the driving elements. This allows the driving elements to act as porous structures that permit gas flow penetration through the adhering mixture, significantly enhancing the drying effect while maintaining reasonable structural complexity.
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 solution effectively prevents sediment buildup, improves drying efficiency, and simplifies the emptying process by keeping sediments suspended and allowing for complete removal, thereby reducing operational effort and enhancing overall performance.
Implementation Method 1
the rotor is equipped with a plurality of planar driving elements... As a result of the rotor's rotation, individual driving elements continuously dip into the mixture being thickened and carry a portion of it with them
Implementation Method 2
This increased evaporation is due to the large-area, thin-layer distribution of the mixture on the driving elements. This evaporation effect is further enhanced by the airflow generated by a blower, which may also be heated, directed onto the mixture adhering to the driving elements
Implementation Method 3
the airflow generated by a blower, which may also be heated, directed onto the mixture adhering to the driving elements
Implementation Method 4
a flushing line is provided outside the receiving container and connected to it for circulating the mixture. Circulating the mixture allows any sediment/deposits that may have settled in the collection container to be stirred up and kept in suspension
Data Source
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AI summary
The drying device according to the invention for a mixture of a liquid and one or more solids comprises a frame, a receiving container arranged in the frame with an inlet and an outlet for the mixture, and a rotor rotatably mounted on the frame and with a section of its circumference located in the receiving container. The rotor is provided with a plurality of flat driving elements. It is driven by a drive device to rotate about a rotor axis. Furthermore, a flushing line is provided outside the receiving container and connected to it for circulating the mixture.