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Anode plate made of titanium suitable for sodium hypochlorite generators

Description

This document outlines a type of titanium anode plate specifically designed for hypochlorite generators.

Anode plate made of titanium suitable for sodium hypochlorite generators 1

Technical Field

The utility model pertains to titanium anode plates suitable for hypochlorite generators.

Background Technology

Hypochlorite generators can be classified into two main categories: disinfection and environmental protection. Current titanium anodes used in disinfection applications, such as swimming pool sterilization, tableware disinfection, and food safety, are critical for human health. In terms of environmental protection, hypochlorite generators are used primarily for hospital wastewater treatment and various industrial wastewater applications.

The operation of sodium hypochlorite generators relies on diaphragm-free electrolysis, resulting in the formation of hypochlorite through secondary chemical reactions. During this process, sodium chloride is electrolyzed to generate hypochlorite, with optimal salt concentrations ranging from 3% to 5%. Existing titanium anodes, including plate-type and tubular electrodes, do not meet the required performance standards, indicating a need for improvement.

Utility Model Content

The objective of this utility model is to provide a titanium anode plate that suits hypochlorite generators. This plate features an external coating (EC) made of ruthenium, iridium, and titanium oxide on a titanium substrate, which enhances the titanium content and improves the anode's resistance to reduction, thereby allowing for more effective removal of dirt from the cathode in a shorter time.

Technical Solution

The proposed titanium anode plate suitable for hypochlorite generators includes a titanium substrate covered with a coating of ruthenium, iridium, and titanium oxide.

  • - The coating is applied to the surface of the titanium substrate, forming the external coating (EC).
  • - The thickness of the external coating (EC) ranges from 20-30 μm.

 

This design significantly enhances the anode's anti-reduction capabilities, making it suitable for low chlorine ion concentration environments. Additionally, it exhibits higher effective chlorine generation and oxygen evolution potential compared to traditional ruthenium-titanium anodes, thus providing substantial practical advantages.

 Description of Drawings

  • Figure 1 illustrates the structure of the utility model.

Embodiment

In conjunction with Figure 1, a specific embodiment of this utility model is described:

The titanium anode plate designed for hypochlorite generators consists of a titanium substrate (1) on which a coating of ruthenium, iridium, and titanium oxide is applied. Specifically, this coating forms the external coating (EC) (2) atop the titanium substrate (1). The thickness of this external coating (EC) (2) is maintained between 20-30 μm.

The coating is formed on the titanium substrate (1) surface after a sintering process, resulting in a robust and durable layer.

This utility model is characterized by ease of production, strong corrosion resistance, high oxidizability, and low chlorine evolution potential, making it ideal for both disinfection and environmental protection applications.

The aforementioned embodiment is the preferred representation of this utility model and is not intended to limit its practical scope. All equivalent modifications made within the content of the utility model claims should also be included within the scope of this utility model.

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HOMIXE - As Professional titanium anode manufacturer Electrolytic water technology product solution provider ,We have own R& D team and 10years experience in Titanium anode .

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Email: catarey@homixe.com

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