Skid-mounted LNG gasification device for inland river ship

The invention relates to the technical field of engine gas fuel supply, in particular to an inland river ship skid-mounted LNG gasification device which comprises a combined gasifier, the combined gasifier comprises a main gasifier body and a self-pressurization gasifier body, a liquid inlet of the main gasifier body is connected with a liquid outlet of an LNG storage tank, and a main engine gas supply port is connected with a main engine gas supply pipe; the auxiliary engine gas supply port is connected with an auxiliary engine gas supply pipe, a gas phase port of the self-pressurization gasifier is connected with a gas phase port of the storage tank, a liquid inlet of the self-pressurization gasifier is connected with a liquid outlet of the LNG storage tank, and the heating inlet and the heating outlet are connected with a hot water system. According to the scheme, the gasifier, the corresponding pipe system, the valve, the sensor and the like in the cold box of the LNG storage tank are independent to form