Coupling reaction apparatus for heavy oil pyrolysis-gasification

A coupling reaction apparatus for heavy oil cracking-gasification, comprising:

• a cracking section and a gasification section communicated with each other, and the cracking section is located above the gasification section;
• the cracking section is provided with a heavy oil raw material inlet and a fluidizing gas inlet, and an upper part of the cracking section is provided with an oil-gas outlet;
• and
• the gasification section is provided with a gasification agent inlet;
• wherein the coupling reaction apparatus further comprises a water vapor stripping section and a particle size refining section communicated with each other;
• the water vapor stripping section and the particle size refining section are disposed between the cracking section and the gasification section, and are communicated with the cracking section and the gasification section respectively;
• the water vapor stripping section is located above the particle size refining section;
• and
• the water vapor stripping section is provided with a stripping water vapor inlet, and the particle size refining section is provided with a grinding water vapor inlet.