The invention belongs to the technical field of application, storage and transportation of gas hydrates, relates to an experiment device and particularly relates to a pipeline type experiment device for generating a gas hydrate. The pipeline type experiment device comprises a gas-liquid conveying system, a cooling system and a hydrate pipeline generation system, wherein the gas-liquid conveying system comprises a gas bottle, a bottle storage tank, a discharging opening I, a centrifugal pump, a liquid flow meter, a compressor, a gas flow meter, a separator and a buffering tank; the cooling system comprises a cooling tank, a discharging opening II, a cooling water bath I and a cooling water bath II; the hydrate pipeline generation system comprises a chemical feed opening, a micro-bubble generator, a connection flange, a twisted strip type spiral generator, a temperature sensor, a pressure sensor, a differential pressure meter, an observation window and an experiment pipe section. The whole set of the experiment device is convenient to operate and low in operation cost; the requirements of hydrate slurry generation and flowing principle experiments are met.