Method and integrated equipment for treating municipal sludge by coupling semi-carbonization with carbonization process

The invention belongs to the technical field of municipal sludge treatment, and particularly relates to a method and integrated equipment for treating municipal sludge by a semi-carbonization coupling carbonization process. The integrated equipment comprises a first heat treatment furnace (10) adopting direct heating and a second heat treatment furnace (20) adopting jacket heating, the second heat treatment furnace (20) is provided with a second heat supply source (21), the air inlet end of the first heat treatment furnace (10) is located at the discharging end of the first heat treatment furnace (10), the first heat treatment furnace (10) is provided with a first heat supply source (11), and the first heat supply source (11) is connected with the air inlet end of the first heat treatment furnace (10); the gas outlet end of the first heat treatment furnace (10) is connected with a dry dust removal device (12), and a jacket of the second heat treatment furnace (20) is connected with a tail gas treatment device