To uniform the temperature distribution of a drying chamber.

This drier of the laver-producing machine, manufactured by disposing a hot air-producing chamber along a longitudinally extended drying chamber, connecting the drying chamber and the hot air-producing chamber in a communicating state, disposing combustion burners at the front and rear end portions of the hot air-producing chamber, connecting the base end portions of combustion pipes to the combustion burners, respectively, and disposing fans above the combustion pipes, and used for heating with the combustion pipes outer air sucked with the fans to produce hot air, and supplying the hot air to the drying chamber, characterized by disposing a pair of the front and rear combustion pipes in the hot air-producing chamber along the drying chamber in a state extended in the longitudinal direction and disposing the tip outer circumferential portion of one combustion pipe on the side face of the tip outer circumferential portion of the other combustion pipe in the central portion of the hot air-producing chamber.