How to Maintain a Chlor-Alkali Electrolysis Cell?

As an indispensable part of the global supply chain, the operational efficiency of the chlor-alkali industry directly affects the competitiveness of downstream industries. In today's era of high energy costs, optimizing the core of chlor-alkali production - the electrolytic cell - has become a key focus in the industry. The core of the chlor-alkali industry lies in electrolytic cell technology. For existing factories, simple maintenance is no longer sufficient to meet market challenges; proactive upgrading and transformation of electrolytic cells are crucial for enhancing competitiveness. We deeply understand the close relationship between voltage and energy consumption in chlor-alkali production and introduce two levels of professional solutions.

1. Spacing Adjustment: A "Precision Surgery" for Existing Facilities, Rapidly Reducing Costs and Enhancing Efficiency

For operating ion-exchange membrane electrolytic cells, the spacing is one of the core parameters determining energy consumption.

What is spacing adjustment? Spacing adjustment is a precise technology that optimizes and adjusts the electrode spacing to significantly reduce cell voltage while ensuring safety and current efficiency. A slight decrease in voltage can directly translate into substantial energy savings. For a large chlor-alkali plant, a reduction of tens of millivolts in voltage means saving millions of dollars in electricity costs annually. It also increases the output per unit of electricity, achieving energy efficiency improvements.

2. Complete Electrolyzer Replacement : A "Strategic Upgrade" for the Future, Enabling Leapfrog Development

When electrolytic cell technology becomes outdated or when a significant increase in production capacity is needed, complete cell replacement is the fundamental solution.

Complete cell replacement involves replacing old or technologically outdated cells with a brand-new set of the most advanced electrolytic cell units. This can directly upgrade to the current most advanced electrolytic cell model, enjoying the lowest energy consumption per unit of product. New electrolytic cells typically have higher current density, significantly increasing chlor-alkali production capacity and completely eliminating the risk of frequent shutdowns due to equipment aging. New technologies can also provide more stable and higher-purity chlorine, caustic soda, and hydrogen products.

In the fierce global competition, chlor-alkali plants are not only production units but also assets that need continuous optimization.