Integrated Cathode Material Coating Chamber With Direct Electric Heating
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Solution Overview
Problem
Conventional cathode material drying devices suffer from high heat loss, temperature control difficulties, and require separate coating and heat treatment processes, leading to inefficiencies, safety risks, and environmental pollution due to heat transfer oil.
Innovation Solution
A cathode material integrated processing device that integrates drying, coating, and heat treatment functions, using electric heating wires for temperature control, a spray part for coating, and a stirring part for homogenization, eliminating heat transfer oil and simplifying the structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If steam or thermal oil is heated and transferred to the drying furnace through pipes, then the cathode material can be dried, but heat loss is high and temperature control is difficult
Solution Approach 1:
The patent extracts and eliminates the heat transfer medium (steam/thermal oil) and pipe system from the heating process. Instead of using indirect heat transfer through pipes, the invention applies heating elements directly to the drying furnace, removing the intermediate heat transfer path that causes heat loss and control difficulties.
Solution Approach 2:
The patent replaces the mechanical/thermal heat transfer system (steam/thermal oil through pipes) with an electrical heating system. This substitution eliminates the need for complex heat transfer media and piping, directly providing heat to the drying furnace for improved temperature control and reduced heat loss.
2Productivity
If only drying function is provided in the conventional device, then the structure is simpler, but separate coating and heat treatment devices are required
Solution Approach 1:
The patent merges three separate processing functions (drying, coating, and heat treatment) into a single integrated device. The drying furnace simultaneously performs all three operations: drying the cathode material, coating it with binder solution, and heat treating it. This consolidation improves productivity by eliminating transfer steps while the unified structure manages complexity through integrated design.
Solution Approach 2:
The drying furnace is designed with multi-functionality to perform drying, coating, and heat treatment operations. By making the single device universal and capable of multiple functions, the patent eliminates the need for separate dedicated devices, thereby improving work efficiency and reducing the number of equipment pieces required.
3Manufacturing precision
If cathode material is transferred to separate coating and heat treatment devices, then each process can be optimized, but transfer time increases and impurities may be mixed in
Solution Approach 1:
The patent combines drying, coating, and heat treatment into a single continuous process within one furnace. The cathode material remains in the same chamber throughout all operations, eliminating transfer steps that cause time loss and potential contamination. The integrated design ensures quality by maintaining a controlled environment without external exposure during process transitions.
4Temperature
If heat treatment function is added to conventional drying device, then high-temperature heat is required, but severe partial temperature deviation occurs
Solution Approach 1:
The patent replaces the steam/thermal oil heating system with an electrical heating system that provides more precise and uniform temperature distribution. Electrical heating elements can be strategically positioned and controlled to eliminate the severe partial temperature deviations that occur with conventional heat transfer methods, enabling reliable high-temperature heat treatment.
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 device achieves efficient, safe, and high-quality cathode material processing with reduced heat loss and temperature deviation, enhancing productivity and safety while avoiding environmental pollution.
Implementation Method 1
a heating part disposed in close proximity to each of the outside of the cylindrical body and the outside of the thick plate of the chamber part to heat the chamber part
Implementation Method 2
a spray part including one or more nozzles, which is disposed between an upper portion and one side of the cylindrical body of the chamber part and is inserted in the cylindrical body to spray a coating liquid to the cathode material within the chamber part through a gas
Implementation Method 3
a stirring part rotatably disposed inside the cylindrical body of the chamber part to stir the cathode material within the chamber part
Data Source
AI summary
A cathode material integrated processing device, which dries, applies, and heat-treats a cathode material, according to an embodiment of the invention includes a support frame, a chamber part including a cylindrical body configured to accommodate the cathode material and a thick plate coupled to each of both ends of the cylindrical body to seal both the ends of the cylindrical body and configured to fix the cylindrical body to an upper portion of the support frame, a heating part disposed in close proximity to each of the outside the cylindrical body and the outside the thick plate of the chamber part to heat the chamber part, a spray part including one or more nozzles, which is disposed between an upper portion and one side of the cylindrical body of the chamber part and is inserted in a longitudinal direction of the cylindrical body to spray a coating liquid to the cathode material within the chamber part through a gas, a stirring part rotatably disposed inside the cylindrical body of the chamber part to stir the cathode material within the chamber part, a driving part connected to one side of the stirring part and rotatably disposed at one side of an upper portion of the support frame to rotate the stirring part, and a control part configured to control the heating part, the spray part, and the driving part.