A gas-liquid bubbling bed reactor, comprising a liquid distributor, a gas distributor located below the liquid distributor, a catalyst bed layer and a catalyst support plate, and an optional interception screen, wherein the top of the reactor is provided with a gas outlet, the reactor is provided with a feed inlet connected to the liquid distributor, a gas inlet connected to the gas distributor, the bottom is provided with a discharge outlet, and the catalyst bed is loaded with a heterogeneous catalyst, and
- further comprising:
- a circulating pump, which is located between the discharge outlet and the feed inlet of the reactor;
- a mixer, which is located between the circulating pump and the feed inlet of the reactor, and is provided with a reactant inlet;
- a dissolver, which is located between the mixer and the feed inlet of the reactor, and is provided with a reaction gas inlet, and the circulating pump, the mixer, and the dissolver are successively connected by pipelines.