A horizontal pyrolysis furnace has a kiln and two barrels. The two barrels are respectively a processing barrel rotatably disposed in the kiln and a takeover barrel detachably connected with the processing barrel. Each one of the two barrels has a gate assembly and at least one spiral guiding plate. The gate assembly of the processing barrel is mounted on an end of the processing barrel, and extends out from the kiln. The two gate assemblies of the two barrels are detachably connected such that the two barrels are able to rotate synchronously. The at least one spiral guiding plate is fixed on an inner surface of one of the two barrels, and the spiral guiding plates of both barrels have an identical helical direction.

Provided is an improved thermal processing apparatus. The thermal processing apparatus comprises a shell and an insulator on the interior of the shell. A liner is on the interior of the insulator wherein the liner forms an inner cavity. A heater is in the inner cavity.

A horizontal pyrolysis furnace has a kiln and two barrels. The two barrels are respectively a processing barrel rotatably disposed in the kiln and a takeover barrel detachably connected with the processing barrel. Each one of the two barrels has a gate assembly and at least one spiral guiding plate. The gate assembly of the processing barrel is mounted on an end of the processing barrel, and extends out from the kiln. The two gate assemblies of the two barrels are detachably connected such that the two barrels are able to rotate synchronously. The at least one spiral guiding plate is fixed on an inner surface of one of the two barrels, and the spiral guiding plates of both barrels have an identical helical direction.

A thermal processing apparatus and a thermal processing method where the vessel with interconnected chambers in which the solid material is thermally processed is suspended in a heat exchange medium while it is rotated, which reduces the energy to rotate the vessel, increases heat transfer surface area, increases the turbulence of the heat exchange medium around the vessel and improves the movement of solid particles relative to each other and relative to the heat exchange surface. These features combine to increase the heat transfer rates within a compact vessel size.

Provided is a sintering furnace. The sintering furnace includes: a furnace body and a furnace head cover having a feed inlet, the furnace head cover covering a furnace head of the furnace body, the furnace head cover being axially limited relative to the furnace head, the furnace body being rotatable around a central axis relative to the furnace head cover, and the feed inlet being in communication with an interior of the furnace body; a sliding support structure including a first sliding structure configured to support the furnace head cover, the furnace head cover being fixedly connected to the first sliding structure, and the first sliding structure being slidably arranged in a length direction of the furnace body; and a feeding device in communication with the feed inlet through a flexible connection pipe.