Lithium Sulfide Reactor with Heat Insulation and Anti-Sulfurized Surface
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Solution Overview
Problem
Existing lithium sulfide production techniques face challenges in achieving high production efficiency and stability, as described in Patent Document 1, which limits the effectiveness of the methods for producing lithium sulfide.
Innovation Solution
A lithium sulfide producing device is designed with a reactor containing a lithium hydroxide filling part, a heating unit, and a hydrogen sulfide supply member, featuring a heat-insulating member above the lithium hydroxide to maintain uniform temperature, an anti-sulfurized inner surface, and an inverted funnel-shaped recovery member for efficient hydrogen sulfide supply and recovery, allowing precise control of hydrogen sulfide gas supply and maintaining high production efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If sulfur vapor is generated by heating sulfur in a lower portion of a reaction tank and reacted with hydrogen gas to generate hydrogen sulfide gas, then lithium sulfide can be produced by reacting with lithium hydroxide in an upper portion, but production efficiency is insufficient and stability is poor
Solution Approach 1:
The reaction tank is divided into distinct functional zones: a lower heating zone for sulfur vapor generation, a middle reaction zone for hydrogen sulfide production, and an upper lithium hydroxide reaction zone. This segmentation allows each zone to be optimized independently for its specific function, improving overall production efficiency and stability.
Solution Approach 2:
Hydrogen gas is introduced as an intermediary substance that reacts with sulfur vapor to form hydrogen sulfide gas, which then serves as the reactant for lithium sulfide production. This intermediary step enables controlled and stable progression of the reaction sequence, improving production reliability.
2Productivity
If hydrogen sulfide gas is supplied to react with lithium hydroxide, then lithium sulfide is produced, but temperature uniformity affects reaction stability
Solution Approach 1:
Heating elements are strategically positioned in the lower portion of the reaction tank to generate sulfur vapor, while the upper portion where lithium hydroxide is located is designed to maintain uniform temperature distribution. This local quality approach ensures optimal temperature conditions in each region, improving reaction stability.
Solution Approach 2:
Temperature control mechanisms monitor and adjust heating parameters to maintain uniform temperature distribution in the lithium hydroxide reaction zone. This feedback control ensures stable reaction conditions, improving production efficiency and consistency.
3Manufacturing precision
If the inner surface of the device is anti-sulfurized, then sulfur contamination is reduced, but device complexity increases
Solution Approach 1:
The anti-sulfurized coating is applied to the inner surface of the reaction tank and equipment, creating a protective layer that automatically prevents sulfur contamination without requiring additional complex removal systems. This self-protecting feature simplifies the overall device design while ensuring high product purity.
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 stable and high-efficiency production of lithium sulfide by maintaining a uniform temperature and efficient hydrogen sulfide supply, enhancing the production efficiency and stability of the lithium sulfide production process.
Implementation Method 1
a heating unit for heating lithium hydroxide
Implementation Method 2
an interior of the reactor includes a heat-insulating member above the lithium hydroxide filling part
Implementation Method 3
a hydrogen sulfide supply member connected to the reactor
Implementation Method 4
reacting hydrogen sulfide with lithium hydroxide
Data Source
AI summary
A lithium sulfide producing device (1-1) of the present invention is a lithium sulfide producing device for producing lithium sulfide by reacting hydrogen sulfide with lithium hydroxide, the lithium sulfide producing device including a reactor (1-3) having a lithium hydroxide filling part (1-2) inside, a heating unit for heating lithium hydroxide, and a hydrogen sulfide supply member connected to the reactor (1-3).