Sludge Dehydrating Processor with Induction Heating and Vortex Air Current
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Solution Overview
Problem
Conventional sludge dehydrating processors face inefficiencies in heating and dehydration due to the need for rotating kilns, leading to long restart times and high energy losses, as well as poor dehydrating and heating efficiencies during continuous operation.
Innovation Solution
A sludge dehydrating processor design featuring a heating treatment zone with induction heating and a dehydrating treatment zone utilizing a vortex air current to efficiently dry sludge without rotating components, enhancing dehydrating and heating efficiencies through the use of a gas jet nozzle and superheated steam, and incorporating features like static mixers and dehydration accelerating induction coils.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a rotary kiln is used for sludge dehydration, then the processor can continuously operate, but restart time becomes long and energy loss increases
Solution Approach 1:
The patent replaces the mechanical rotation system of a rotary kiln with a stationary processing system that uses induction heating and vortex air currents. This substitution eliminates the need for continuous mechanical rotation, allowing the system to remain stationary and reducing energy loss during restart while maintaining continuous processing capability through alternative means of sludge movement and treatment.
Solution Approach 2:
The patent introduces a vortex air current generation system that uses pneumatic principles to move sludge through the processing zones. Instead of relying on mechanical rotation, the system uses pressurized air flows to transport sludge through the heating and dehydration zones, enabling continuous operation without the energy-intensive rotation of traditional kilns.
2Productivity
If a rotary kiln is used for sludge dehydration, then continuous processing is achieved, but heating efficiency and dehydrating efficiency become poor
Solution Approach 1:
The patent replaces conventional thermal heating systems with induction heating technology. This substitution enables more efficient and rapid heating of the sludge, significantly improving heating efficiency while maintaining continuous processing capability. The induction heating system can be integrated with the stationary processing configuration to achieve both high efficiency and continuous operation.
Solution Approach 2:
The patent employs variable parameter control in the vortex air current system, adjusting air flow rate, temperature, and pressure dynamically to optimize both heating efficiency and dehydrating efficiency. By changing these parameters in real-time based on sludge conditions, the system maintains high processing efficiency throughout continuous operation.
3Ease of operation
If rotation is used to move sludge through the kiln, then continuous feeding is enabled, but mechanical operation increases complexity
Solution Approach 1:
The patent uses a pneumatic transport system with vortex air currents to move sludge through the processing zones, replacing mechanical rotation and conveying mechanisms. This approach simplifies the overall device structure by eliminating rotating components while maintaining the ability to continuously feed and process sludge through stationary means.
Solution Approach 2:
The patent substitutes complex mechanical rotation and conveying systems with a stationary processing system that uses induction heating and pneumatic transport. This substitution dramatically reduces mechanical operation complexity while preserving continuous feeding capability through alternative non-mechanical means.
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 processor achieves high dehydrating and heating efficiencies, reduces energy costs, and produces a valuable solid raw fertilizer from waste sludge with improved product value and cost-effectiveness, while minimizing mechanical operation and energy loss.
Implementation Method 1
a heating induction coil disposed to surround the kiln body to inductively heat the kiln body
Implementation Method 2
a gas jet nozzle provided on the one end side so as to produce a vortex air current for causing the led-in object to be treated to travel via a route spirally swirling along an inner peripheral surface of the treatment chamber
Implementation Method 3
a superheated steam generator connected to the gas jet nozzle
Data Source
AI summary
There has been achieved a sludge dehydrating processor with less mechanical operation and with satisfactory dehydrating efficiency and heating efficiency. In order to process and convert sludge including an organic substance into solid fertilizer, a heating treatment zone for feeding and sterilizing an object to be treated and a dehydrating treatment/retrieving zone for separating water from the object to be treated and retrieving a treated object are provided. In the heating treatment zone, induction heating for efficiently heating the object to be treated without rotating a kiln body is introduced. In the dehydrating treatment/retrieving zone, a vortex air current producing mechanism for efficiently drying the object to be treated without rotating a dehydrating treatment chamber is introduced.