生产纯度99.99%的高品质镍（工匠绝活）

Core Insights - The article highlights the innovative efforts of Chai Guoliang in improving nickel product quality through new structural diaphragm racks and precise liquid level control, achieving a nickel purity of 99.99% [2][5] Group 1: Innovations in Nickel Production - Chai Guoliang's team developed a new diaphragm rack that reduces thickness and increases the space between anodes and cathodes, addressing previous issues of operational inconvenience and production efficiency [3] - The new diaphragm design features rounded corners to prevent scratching of the anode, enhancing the strength of the diaphragm rack and improving smelting efficiency [3] Group 2: Challenges and Solutions - High-quality nickel production requires strict control over chemical composition and physical appearance, with nickel plate thickness needing to be 2-3 times that of ordinary nickel plates [4] - Initial attempts to increase thickness led to uneven products, prompting the team to explore various methods to control the liquid level difference, which was identified as a key issue [4] Group 3: Breakthroughs and Future Goals - A breakthrough occurred when Chai Guoliang drew inspiration from a water bottle, leading to the invention of an S-shaped liquid level adjustment device that allows for precise control of liquid levels in the electrolysis tank [4] - The high-quality nickel produced is utilized in various applications, including the minting of 1 yuan coins, and the team is pursuing further technological advancements towards short processes, diverse products, and high efficiency [5]