Catalytic Cracking Waste Heat Boiler

Product Details

1. Sinopec Anqing Branch – Refining Conversion 3 Million t/y Heavy Oil Catalytic Cracking Unit – Auxiliary Waste Heat Boiler

Operation mode: Slight positive pressure

Circulation mode: Natural circulation

Boiler structure: Modular

Superheated steam flow rate: 73–113 t/h

Rated steam pressure: 4.3 MPa

Rated steam temperature: 420°C

2. Sinopec Hainan Refining & Chemical Co., Ltd. – 2.8 Million t/y Heavy Oil Catalytic Cracking Unit – Supplementary Fired CO Waste Heat Boiler

The supplementary fired CO waste heat boiler features an adiabatic furnace, natural circulation, slight positive pressure, outdoor arrangement, full penetration welding, and a single-drum π‑type all-steel framework. It is used to recover high-temperature flue gas energy from the heavy oil catalytic cracking unit. Pressure: 3.82 MPa, Temperature: 420°C.

3. Nanjing Yangzi Petrochemical Refining Project – 2.8 million t/a catalytic cracking unit – Fired CO waste heat boiler

Operation mode: Slight positive pressure

Circulation mode: Natural circulation

Boiler structure: Single-drum π-type waste heat boiler

Medium‑pressure / high‑pressure superheated steam pressure: 4.5 / 9.8 MPa

Medium‑pressure / high‑pressure temperature: 420 / 540 °C

4. Sinopec Tianjin Company’s 2.8 million t/a catalytic cracking unit for refinery products – Supplemental firing CO waste heat boiler

Operation mode: Slight positive pressure

Circulation mode: Natural circulation

Boiler structure: Single-drum π-type waste heat boiler

Medium-pressure superheated steam pressure: 3.8 MPa

Medium-pressure / high-pressure temperature: 420°C

5. Sinopec-SK (Wuhan) Petrochemical Co., Ltd. – 2.8 million t/a catalytic cracking unit waste heat boiler

Historical process of refinery catalytic CO waste heat boiler

Start time: Design and manufacturing began in 1996

Boiler configuration evolution: From upper and lower drums (D-type boiler) to modular type and π-type

Modular type: Represented by Luoyang Institute, combustion chamber separated from the waste heat boiler

π-type: Represented by Beijing Institute, combustion chamber integrated as part of the waste heat boiler