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                                                industrial exhaust gas neutralization equipment, exhaust gas purification environmental protection, industrial environmental protection equipment with warranty
                              

Neutralization and Purification Environmental Protection Equipment for Industrial Exhaust Gas

Equipment Description

I. Workflow

Exhaust Gas Capture: A gas hood covers the pollution source and draws the exhaust gas into the treatment system through negative pressure suction.
Primary Filtration: A dry filter intercepts dust and large particles.
Neutralization and Purification: Acidic exhaust gas enters the spray tower and reacts with alkaline solution to produce a salt solution that is recycled.
Deep Adsorption: Organic waste gas/cyanide is degraded through activated carbon adsorption and discharged through the chimney after meeting standards.

II. Technical Parameters

Parameters	Specifications
Airflow	1000-100,000 m³/h (customizable)
Applicable Exhaust Gas Type	Acid mist (sulfuric acid, nitric acid, hydrofluoric acid), cyanide, VOCs, chromic acid mist
Temperature Range	≤80°C (high-temperature exhaust gas requires pre-cooling)
Emission Standards	Complies with the "Comprehensive Emission Standard for Air Pollutants" (GB16297-1996)

III. Equipment Advantages

High-Efficiency Purification: Multi-stage cascade treatment achieves a comprehensive purification rate of ≥90%, suitable for complex exhaust gas compositions
Corrosion-Resistant Design: Fiberglass, stainless steel, and hydrofluoric acid-resistant coating extend equipment life
Low-Energy Operation: A circulating spray system reduces reagent consumption, and automated control reduces labor costs
Modular Expansion: Flexible configuration of spray towers, adsorption towers, and other units adapts to production line upgrades

IV. Operation and Maintenance Key Points

Daily Maintenance: Monitor the pH value of the spray liquid (recommended 8-10), and replenish NaOH solution every shift
Clean dust from the filter monthly, and replace the activated carbon and packing layer every six months
Troubleshooting: Abnormal fan vibration: Check the impeller for corrosion or dust accumulation, and calibrate the dynamic balance
Decreased purification efficiency: Check the spray liquid concentration, activated carbon saturation, and nozzle blockage

V. Application Scenarios

Acidic Waste Gases: Acid mist (sulfuric acid, hydrofluoric acid) from electroplating tanks
Organic Waste Gases: Cyanide and VOCs emitted from stripping and cleaning processes
Dust Control: Metal dust (chromium, nickel) from polishing and grinding processes

Main Structures and Components

I. Core Structural Modules

Exhaust Gas Collection System
- Gas Hood: Made of stainless steel, fiberglass, or corrosion-resistant PP, it covers pollution sources such as electroplating tanks and pickling tanks
- Exhaust Duct: Made of fiberglass or PVC, with a diameter of 150-500 mm, the layout minimizes bends to reduce air resistance
Pretreatment Unit
- Dry Filter: A metal filter (pore size ≤ 2 mm) intercepts large dust particles and liquid droplets
- Wet Scrubber (Optional): Initially neutralizes acidic exhaust gases using a water curtain or spray

II. Multi-Stage Purification Devices

Acid and Alkali Waste Gas Treatment Unit
- Spray Tower: Tower Material: 316L stainless steel or fiberglass reinforced plastic (FRP)
- Padding: PP Pall rings/Raschig rings increase the gas-liquid contact area
- Mist Eliminator: Wire mesh or baffle structure removes entrained droplets
Organic Waste Gas/Heavy Metal Treatment Unit
- Activated Carbon Adsorption Tower: Honeycomb activated carbon absorbs cyanide, VOCs, and chromic acid mist
- Catalytic Combustion Unit (RCO): Decomposes high-concentration organic waste gas at high temperatures

III. Power and Auxiliary Systems

Corrosion-Resistant Fan: Made of fiberglass or polypropylene, with air volume of 1000-100,000 m³/h
Circulating Fluid System: The spray tower is equipped with an alkaline solution circulation pump
The wastewater is separated from salts in a sedimentation tank before being discharged or reused

IV. Control and Emission Systems

Automated Control Cabinet: Integrated pH sensor and air pressure monitoring module
Chimney Exhaust Outlet: Height ≥ 15 m, accelerating exhaust gas diffusion and dilution

V. Differentiated Components (Expanded by Scenario)

Explosion-proof Design: When handling flammable cyanide waste gas, the fan and piping must be grounded
Hydrofluoric Acid Resistant Coating: To protect against hydrofluoric acid mist, the spray tower's interior is coated

Features

High cost performance: Achieves the best cost performance based on economic affordability
Advanced design: Showcases the image of a modern and advanced enterprise
High adaptability: Meets current production requirements with room for future development
Quality compliance: Strictly adheres to the ISO900 quality management system