Integrated method and integrated device for heavy oil contact lightening and coke gasification

An integrated method for heavy oil contact lightening and coke gasification, wherein the integrated method uses a coupled reactor as a reactor, the coupled reactor comprises a cracking section at an upper part and a gasification section at a lower part, and the cracking section and the gasification section communicate with each other;

• the integrated method comprises:
• feeding a heavy oil material into the cracking section of the coupled reactor, so as to contact with a contact agent to implement a cracking reaction, to obtain a light oil gas and a carbon-deposited contact agent;
• passing the carbon-deposited contact agent into the gasification section, so as to implement a gasification reaction with a gasification agent and regenerate the contact agent, to obtain a regenerated contact agent and a syngas;
• wherein the regenerated contact agent after being cooled by heat exchange is returned into the cracking section for recycling, and the syngas ascends into the cracking section;
• and
• discharging the light oil gas and the ascended and incorporated syngas from the cracking section, to perform a gas-solid separation, so that the carbon-deposited contact agent carried is separated and returned to the cracking section, and a purified oil gas is obtained at the same time.