Metals are smelted properly. An electrolytic smelting furnace includes a furnace body, a furnace bottom electrode provided at a bottom part in the furnace body, and an upper electrode provided above the furnace bottom electrode in the furnace body, and the upper electrode includes a conductive compound with a spinel-type structure.

A side-type powder top blown furnace and method for treating the furnace is disclosed. The furnace includes a cylindrical furnace body, powder material inlet nozzles, a furnace top sample rod, a top blown furnace spray gun, a belt feeding inlet, a branch conveying pipe, a quantitative pneumatic conveying device, a powder material collecting bin, a powder collecting bin feeding inlet and a furnace top cover; the powder material inlet nozzles are symmetrically arranged around a furnace wall of the cylindrical furnace body on the same horizontal plane. The disclosure can solve the problems of large transportation flying loss, large return amount, poor operating environment, harm to the health of operators and the like in the tin smelting process.

A system for treating tin smelting intermediate materials and method for treating the materials is disclosed. The system includes a fuming furnace, an electric settling furnace, a lean slag water quenching pool, a matte ladle, a pulverized coal injection system, a flue gas treatment system and a secondary air supply system; the fuming furnace is connected with the electric settling furnace, the pulverized coal injection system, the flue gas treatment system and the secondary air supply system respectively; the electric settling furnace is also connected with the slag-lean water quenching pool and the matte ladle respectively. The system and method disclosed by the disclosure can efficiently classify, separate and recover tin from other materials, solve the problems of difficult sales and transportation of complex tin-containing smelting intermediate materials and economic loss of discounted sales, and transform hazardous wastes into value-added valuable materials for comprehensive recovery.

The disclosure discloses a magnesium alloy material smelting device, comprising a furnace, a disc packing device, the disc packing device comprising a stirring shaft, a packing basket, a disc stirring head, the stirring shaft connected with a packing basket, the bottom of the packing basket connected with a disc stirring head, the disc stirring head comprising a plurality of stirring wings, the stirring wings connected with the packing basket and the stirring disc, the connecting ends of the stirring wings connected with each other, the stirring ends extending to the edge of the stirring disc, and the sidewall of the packing basket provided with a liquid passage hole; during the process of preparing and processing the magnesium alloy, the disc stirring head may accelerate the diffusion, the rotation of the disc stirring head may divide the melt into upper and lower layers, and the upper layer of the melt forms a solution vortex to accelerate the diffusion of the master alloy elements; the lower melt keeps relatively static to avoid the upturn of precipitated slag and shorten the precipitation time of slag, thereby improving the productivity.

A chaotic stirring device combining plasma arc smelting and permanent magnet including a furnace body; the furnace body is provided therein with a water-cooled copper crucible; the center of an upper surface of the water-cooled copper crucible is a groove for placing raw metals, and the water-cooled copper crucible is internally a hollow cavity; a return pipe is disposed directly below the groove in the hollow cavity; an upper end of the return pipe is vertical upward, and is horizontally provided with a filter screen; a spherical magnet is placed between the filter screen and the groove; one side of the water-cooled copper crucible is provided with a first water inlet pipe and a first water outlet pipe; the first water inlet pipe is connected to the hollow cavity, and the first water outlet pipe is connected to the bottom of the return pipe.

A blast furnace for ironmaking production wherein iron ore is at least partly reduced by a reducing gas which is injected in the stack of the blast furnace. The blast furnace includes an external and an internal wall, having a thickness T.sub.int, in contact with matters charged into the blast furnace. The thickness T.sub.int of the internal wall is substantially constant above and below the injection area of a reducing gas.

The disclosure discloses a magnesium alloy material smelting device, comprising a furnace, a disc packing device, the disc packing device comprising a stirring shaft, a packing basket, a disc stirring head, the stirring shaft connected with a packing basket, the bottom of the packing basket connected with a disc stirring head, the disc stirring head comprising a plurality of stirring wings, the stirring wings connected with the packing basket and the stirring disc, the connecting ends of the stirring wings connected with each other, the stirring ends extending to the edge of the stirring disc, and the sidewall of the packing basket provided with a liquid passage hole; during the process of preparing and processing the magnesium alloy, the disc stirring head may accelerate the diffusion, the rotation of the disc stirring head may divide the melt into upper and lower layers, and the upper layer of the melt forms a solution vortex to accelerate the diffusion of the master alloy elements; the lower melt keeps relatively static to avoid the upturn of precipitated slag and shorten the precipitation time of slag, thereby improving the productivity.

Methods and systems for training a neural network in tandem with a policy gradient that incorporates domain knowledge with historical data. Process constraints are incorporated into training through an action mask. Evaluation of the trained network is provided by comparing the network's recommended actions with those of an operator. A decision tree is provided to explain a path from an input of process states, into the neural network, to the output of recommended actions.

A chaotic stirring device combining plasma arc smelting and permanent magnet including a furnace body; the furnace body is provided therein with a water-cooled copper crucible; the center of an upper surface of the water-cooled copper crucible is a groove for placing raw metals, and the water-cooled copper crucible is internally a hollow cavity; a return pipe is disposed directly below the groove in the hollow cavity; an upper end of the return pipe is vertical upward, and is horizontally provided with a filter screen; a spherical magnet is placed between the filter screen and the groove; one side of the water-cooled copper crucible is provided with a first water inlet pipe and a first water outlet pipe; the first water inlet pipe is connected to the hollow cavity, and the first water outlet pipe is connected to the bottom of the return pipe.

The present invention relates to improvements to an induction smelting process. It relates to a hybrid combination of plasma over induction for a superefficient continuous smelting process; and real-time monitoring and adjustment of the smelting process. Disclosed is a hybrid smelting system comprising a real-time controller and a reduction zone in which plasma over induction heating continuously smelt feed material(s) fed into the reduction zone. Slag and reduced metals (alloy) are discharged under supervision of the real-time controller.