Waste Gas Treatment In Chemical Industry

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Waste Gas Treatment In Chemical Industry

The following is a detailed introduction to the RTO (Regenerative Thermal Oxidizer) equipment for the spray painting waste gas treatment project in Suzhou's chemical industry, combined with the industry characteristics and treatment requirements:

1.Basic parameters of the equipment

Processing air volume: 30,000 m³/h (Can be designed in a multi-bed structure, such as a three-bed RTO)

Waste gas type: Spraying waste gas

Purification efficiency: ≥98%

Operating temperature: 800-850℃

Heat recovery efficiency: ≥95%

2. Core system composition

(1) Waste gas pretreatment system

Spray tower: Remove paint mist particles

Dry filter box: Two-stage filtration

Exhaust gas buffer tank: Stabilize the air volume and set up LEL concentration monitoring

(2) RTO host system

Regenerative chamber: 3-bed structure, ceramic packing

Combustion chamber: Refractory materials (high alumina bricks + ceramic fiber modules, temperature resistance 1300℃)

Switching valve: Hydraulically driven, leakage rate < 0.1%

Burner: Proportional adjustment type

(3) Thermal energy recovery system

Plate heat exchanger: Preheating fresh air (for the drying process in the workshop)

Steam boiler: Waste heat generates steam at 0.5MPa, approximately 200kg/h

(4) Emission system

Rapid cooling tower: Cool down to below 200℃

Wet electrostatic precipitator: Removes PM2.5 (emission concentration < 10mg/m³)

3. Key design features

Explosion-proof design: The inlet pipeline is equipped with explosion relief plates (bursting pressure 0.15MPa), and the exhaust gas concentration is controlled below 25%LEL

Corrosion-resistant treatment: Components in contact with moisture are made of 2205 duplex stainless steel, and the heat storage body is coated with an acid-resistant coating (SiO2 content ≥99%).

 

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