Online gasification device

The invention belongs to the field of chemical equipment and mainly provides an online gasification device. The online gasification device comprises a gasification device main body, a gasification device liner, gas inlet and outlet pipelines and a heating part, wherein the gasification device liner is arranged in the gasification device main body; and the heating part is fixedly arranged on the gasification device liner and is arranged between the gas inlet and outlet pipelines and can be electrically controlled. According to the online gasification device provided by the invention, the problem that an instrument in the prior art cannot simultaneously analyze liquid and gas is solved, and substance components before and after gasification are completely the same, so that the stability of a gasification result is guaranteed; and furthermore, the online gasification device can be used for continuously carrying out gasification analysis on liquid-state gas online, and can guarantee constant temperature and constant flow of discharged gas. The online gasification device provided by the invention has a simple structure and is convenient to operate, and the gasification efficiency and the accuracy of the gasification result can be effectively improved.