Electrolytic Device Ejector Pressurization and Impurity Removal
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Solution Overview
Problem
Conventional electrolytic apparatuses for hydrogen gas production require large facilities, are costly, and suffer from noise and mechanical issues due to the use of large compressors, and fail to adequately remove impurities like alkaline mist and acid mist from the generated gases, leading to environmental pollution.
Innovation Solution
An electrolytic apparatus with a diaphragm partitioning the anode and cathode chambers, incorporating ejectors and storage tanks to separate and pressurize hydrogen and oxygen gases while removing impurities by mixing gases with circulation liquids, reducing the need for large compressors and facilitating impurity removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a compressor is used to pressurize hydrogen gas, then the hydrogen gas can be transferred to subsequent processes, but the facility area increases, facility cost increases, and noise is generated
Solution Approach 1:
The patent extracts the compression function from a separate compressor device and integrates it into the electrolyte circulation system. The electrolyte circulation pump pressurizes both the electrolyte and dissolved hydrogen gas simultaneously, eliminating the need for a dedicated compressor and reducing facility area while maintaining hydrogen gas transfer capability
Solution Approach 2:
The patent merges the compression function with the electrolyte circulation function. The same pump that circulates electrolyte through the electrolytic cell also pressurizes the hydrogen gas dissolved in the electrolyte, combining two functions into one system and reducing overall facility footprint
2Object-affected harmful factors
If a water washing tower is used to remove impurities from hydrogen gas, then impurity removal is achieved, but the facility area increases and installation cost increases
Solution Approach 1:
The patent extracts the impurity removal function from a separate water washing tower and integrates it into the electrolyte circulation system. The electrolyte itself serves as the washing medium, removing impurities like alkaline mist and particles from hydrogen gas during circulation without requiring additional facility space
Solution Approach 2:
The electrolyte serves multiple functions simultaneously: it acts as the electrolytic medium for hydrogen production, the circulation medium for gas pressurization, and the washing medium for impurity removal. This multi-functionality eliminates the need for separate water washing tower facilities
3Ease of manufacture
If aluminum is used for compressor parts, then manufacturing cost is reduced, but aluminum is corroded by alkaline mist
Solution Approach 1:
The patent removes the compressor component entirely from the system, eliminating the material selection conflict between cost and durability. By using electrolyte circulation to pressurize hydrogen gas instead of a mechanical compressor, no aluminum parts are exposed to alkaline mist, thus avoiding corrosion while maintaining cost-effectiveness
Solution Approach 2:
The electrolyte acts as an intermediary medium that enables both pressurization and impurity removal without direct contact between aluminum components and alkaline mist. The dissolved hydrogen gas is pressurized through the electrolyte circulation, and impurities are removed by the electrolyte itself, eliminating the need for aluminum compressor parts
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 apparatus effectively pressurizes hydrogen gas and removes impurities using a compact, inexpensive facility, reducing noise, vibration, and maintenance costs while preventing environmental pollution from alkaline and acid mist.
Implementation Method 1
a cathode side ejector connected to the hydrogen gas discharge line
Implementation Method 2
an impurity in the hydrogen gas is transferred to the cathode side circulation liquid to remove the impurity from the hydrogen gas
Implementation Method 3
electrolysis of unpurified water, brine electrolysis, electrolysis of chloride aqueous solution, bromic acid aqueous solution, hydrochloric acid, and sulfuric acid aqueous solution, etc., hydrogen gas is generated from a cathode chamber by electrolysis
Data Source
AI summary
Provided is an electrolytic apparatus capable of pressurizing hydrogen gas produced by the electrolytic apparatus and removing impurities in the produced hydrogen gas.In the electrolytic apparatus, gas compression means 101 including an ejector 110, a storage tank 103 storing a circulation liquid, a circulation pipe 105 circulating a fluid mixture of hydrogen gas and the circulation liquid to the ejector, and a circulation pump 104 is provided in a discharge line 12 for hydrogen gas produced by electrolysis, a hydrogen gas discharge pipe 106 and a first valve V1 are provided in the storage tank 103, impurities in the hydrogen gas are transferred to the circulation liquid to remove the impurities from the hydrogen gas, and a pressure of the hydrogen gas stored in the storage tank 103 is raised by controlling a flow rate of the circulation liquid circulated from the storage tank 103 to the ejector 110 and opening and closing of the first valve V1.