TH27573A - Reducing equipment, melts and how they work - Google Patents

Abstract

DC60 (28/04/40) Molten iron reducing equipment for molten steel products Or forged impure iron Liquid directly by adding iron-containing materials Charcoal material And flux into the furnace body and blowing pure oxygen And / or oxygenated gas into it, which the waste heat boiler And the power generator is connected to several kilns, the pipes that may open And close freely Both direct heat and latent heat of the combustible gas can be obtained from the furnace body through evaporation. In addition, this invention It is also related to methods of processing the melt reducing equipment. For example, when two burners are operating, the secondary combustion rate is increased to reduce the heat content of the gas. Which can be burned per kiln And when a single kiln works The secondary burning rate will Is reduced to double the amount of heat of the combustible gas in one burner until The total amount of combustible gas heating of the two furnaces is constant at all times. Molten iron reducing equipment for molten steel products Or forged impure iron Liquid directly by adding iron-containing materials Charcoal material And flux into the furnace body and blowing pure oxygen And / or oxygenated gas into it, which the waste heat boiler And the power generator is connected to several burners, pipes that may open And close freely Both direct heat and latent heat of the combustible gas can be obtained from the furnace body through evaporation. Besides this invention It is also related to methods of processing the melt reducing equipment. For example, when the binocular burner is operating, the secondary combustion rate will be increased to reduce the heat content of the gas. Which can be burned per kiln And when a single kiln works The secondary burning rate will Is reduced to double the amount of heat of the combustible gas in one burner until The total amount of combustible gas heating of the two furnaces is constant at all times.

Claims (7)

1. Melt reducing agent for producing smelted steel. Or molten iron impure Directly consisting of Reducing furnace for molten flow A furnace with a starting material chamber for loading iron-containing materials. Is an element Carbon material and flux The tube structure of the released gas forms a joint of the released gas by Combine the gas pipes for several stoves. Pipes of the said discharge gas Each pipe has a gas release damper. A cauldron that takes away And power generating devices made in the manifold of the gas that Such release Gas nozzles made in each furnace for blowing pure oxygen. And / or gas that It is highly oxygenated to adjust the total heat content from the combustible gases generated by each furnace and the path for stabilizing the resting heat of the combustible gas. 2. Melt reducing device as defined in claim 1. Which has arranged the ejector At the end of the manifold of the said waste gas through a dust collector. 3.How to operate with a melting ridus device with a power generating device? And the waste heat boiler is made in the manifold of the released gas, which is the manifold of the released gas. Out of the furnace for reducing the melting material in several kilns Which consists of steps of Setting the amount of heat of the combustible gas generated by the melting reducing furnace It is set at a specified value and is introduced into the boiler that uses the waste heat. The release of the burner gas retardant Loading iron-based materials Carbon materials And similar materials into the kiln Reducing the melt to Iron-based materials by blowing pure oxygen and / or oxygen-rich gases through The upper and lower gas nozzles and the aforementioned secondary combustion of such combustible gas in the secondary combustion zone of the furnace, the total heat content of the combustible gas produced is stabilized by adjust Secondary combustion rate by adjusting the purified oxygen blowing rate And / or gas containing oxygen Much of that passes through such upper nozzle at the time of secondary ignition. Until making the quantity The restlessness of the aforementioned combustible gas is equal to the set heat amount of the said combustible gas and the conduction of the combustible gas produced by the furnace into the waste heat boiler through pipes. Co-emission of gas 4.How to operate with melting reducing equipment As set out in claim 3, which in causing such secondary combustion Such pure oxygen is blown up and / or The oxygen-rich gas is increased through the above-mentioned gas nozzle to increase the Secondary burning And to reduce the amount of heat of combustible gas per kiln until the amount The total heat of the two furnaces is equal to the stated amount of heat of the combustible gas. 5. Method of operation with a melt-blown rectifier with a power generating device and a waste heat boiler made in the discharge gas manifold. Which is a manifold of the released gas Out of several melting reducing furnaces, which consist of steps of Setting the amount of heat of the combustible gas generated by the melting reducing furnace It is set at a specified value and is introduced into the boiler that uses the waste heat. The release of the burner gas retardant (One or more furnaces) The stoves that have stopped working among many such furnaces. The insertion of iron-based materials, carbon and similar materials into the furnace. Reducing the melt to the material that Iron is constituted by blowing pure oxygen and / or oxygen-rich gases through the upper and lower gas nozzles and secondary incineration of such combustible gases in the secondary combustion zone of the furnace. Stabilization of the total amount of heat of the combustible gases by adjusting Secondary burning rate by adjusting the purified oxygen blowing rate And / or oxygen-rich gases Through the aforementioned gas nozzle at the time of secondary combustion Until making the amount of heat The total amount of the aforementioned combustible gas is equal to the set heat amount of the said combustible gas and the conduction of the combustible gas generated by the furnace into the waste heat boiler through a manifold. Of gas released 6. The method of operation on the melting reducing device set out in claim 5 which, in causing such secondary combustion, is Such pure oxygen and / or gas The higher the oxygen content through the above gas nozzles to increase the secondary combustion rate and to reduce the heat content of the combustible gas per burner until the heat content of the Any combustible gas is equal to the required amount of heat of the combustible gas. 7.Method of operation with melting ridus with power generating device And radiators that use the waste heat made in the manifold of the exhaust gas that is the discharge manifold. Of the reducing furnace Multi-furnace smelters Which consists of steps of Setting the amount of heat of the combustible gas produced by the furnace of reducing the molten At a certain value And importing them into radiators that use the said waste heat When both the melting furnace are working. Make adjustments to the amount of heat Stabilize the combustible gas generated by increasing the secondary combustion rate in each furnace. So that the amount of heat of the combustion gas in each furnace is half the amount of heat that Determined of combustible gas When either of the two melting-reducing furnaces works, the total heat of the combustible gas is stabilized by reducing the secondary combustion rate in Furnace to provide twice the amount of heat of the combustion gas in the furnace as the amount of heat. Of the combustible gas in each furnace When both of these burners work To get the amount of The specified combustion gas is heated and the combustible gas with the same amount of heat is applied all the time to the boiler used. The waste heat through the manifold of the gas discharge tube is independent of the operating conditions of the reducing furnace. Two furnaces