Acid Mist Hood

Protecting Operators and Equipment from Acid Fumes

The Acid Mist Hood is an essential safety component in electrowinning (EW) cells. Installed on top of the cell, it captures and contains acidic vapors generated during electrolysis. This helps reduce equipment corrosion, protects operators' health, and ensures environmental compliance.

Acid mist hoods are custom-sized to fit your exact cell and electrode layout. To ensure proper fit and accurate pricing, please provide:

1. Electrolytic cell dimensions / drawings

2. Cathode plate specifications (size and quantity)

3. Anode plate specifications (size and quantity)

4. Inter-cell busbar dimensions and position

5. Whether there are additional pipes or equipment above the cell

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1. Worker Health Protection

During copper electrowinning, oxygen evolution at the anode carries fine sulfuric acid droplets into the air. The hood contains these aerosols and directs them to the exhaust treatment system, reducing occupational exposure to acid mist and aligning with workplace safety standards.

2. Extended Equipment Service Life

Uncontrolled acid mist accelerates corrosion of tankhouse steel structures, overhead cranes, DC busbars and instrumentation. Enclosing cell tops with acid mist hoods lowers ambient corrosion levels and reduces long-term maintenance and replacement costs.

3. Environmental Compliance

Concentrated fume collection allows centralized treatment (such as mist eliminators or neutralization systems) before discharge, helping operations meet local atmospheric emission regulations.

4. Reduced Electrolyte Loss

Condensed acid droplets on the inner surface of the hood flow back into the cell, lowering electrolyte and sulfuric acid consumption over continuous operation.

5. Improved Operational Safety

Reduced airborne acid mist improves workshop visibility, lowers slip risks on walkways and creates safer conditions for routine inspection and maintenance work.

Technical Insight: Why Every Copper EW Tankhouse Needs an Acid Mist Hood

Acid mist control is often overlooked in small and medium electrowinning projects, but it directly affects long-term operating costs, compliance risks and staff retention. For a detailed breakdown of health, economic and regulatory benefits, read our full analysis: Why Every Copper EW Tankhouse Needs an Acid Mist Hood

 

 

Installation & Compatibility

 

• Modular segmented design, suitable for single-cell or full-row tankhouse installation
• Compatible with standard capping board / cell top furniture layouts, no major cell modification required
• Can be matched with existing exhaust duct systems of tankhouses
• Lightweight structure, no additional load reinforcement needed for most cell walls

 

 

Our After-Sales Service

 Cell Dimensions Needed
We customize each hood based on your specific tank size and operating space.

 Mounting Constraints
Please inform us if any overhead cranes, rails, or busbars interfere with hood installation.

 Local Regulations
We assist in matching air quality compliance standards in different markets (e.g., OSHA, ISO14001).

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