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Document Title |
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6264725 |
Method for producing liquid pig iron or steel fabricated materials and installation for implementing said method
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6228142 |
Apparatus for keeping optimal penetration depth formed at front end of oxygen tuyere and method for keeping the same
An apparatus for keeping an optimal penetration depth formed at the front end of an oxygen tuyere in the producing facilities of molten pig iron utilizing non-coking coal and a method for keeping...
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5374297 |
Lance for fuel and oxygen injection into smelting or refining furnace
A furnace 10 for smelting iron ore and/or refining molten iron 20 is equipped with an overhead pneumatic lance 40, through which a center stream of particulate coal 53 is ejected at high velocity...
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4328030 |
Steel making process and apparatus
A process and apparatus for making steel in a basic oxygen furnace by the top-blowing of pure oxygen and the bottom-blowing of a gas mainly composed of carbon dioxide are disclosed, in which a...
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4256466 |
Process for off-gas recovery
Disclosed is a process provided for increasing the fuel value of off-gas (20) recovered from oxygen blowing steel converters (10, 100). Carbon is introduced into an off-gas capture hood (22) to...
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4101313 |
Process and apparatus for the production of steel
In the production of steel from pig iron melted and refined in a vessel, the pig iron is preheated in two phases. In the first preheating phase, the cold pig iron and hot gases recovered from the...
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4040819 |
Basic oxygen steel furnace and process
An improved method for the production of steel which results in reducing the volume of off-flow gases which are created in the production of steel by the Basic Oxygen Steel Process. The method...
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4040789 |
Use of the continuous blast furnace gas analysis for supervision and regulation of the blast furnace operation
An improvement in the process for regulating the operation of a blast furnace in response to analysis of the effluent blast furnace gas residing in continuously admixing the blast furnace gas with...
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4026698 |
Removal of tin from molten iron by chlorination, using oxygen to conserve chlorine and to produce tin oxide
A process for detinning molten iron involves bubbling gaseous chlorine through the molten iron bath, which contains dissolved tin among other elements (e.g. manganese). As chlorides of tin, iron...
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3998626 |
Method for air pollution control combined with safe recovery and control of gases from a bottom-blown steel converter vessel
A gas collector hood is located close to the mouth of a converter vessel and has a diameter which is not much greater than the mouth of the vessel. A mixture of oxygen together with entrained...
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3960546 |
Method for eliminating nose-skulls from steelmaking vessels
Nose-skulls which normally form in the nose section of steelmaking vessels such as the bottom-blown oxygen steelmaking vessel, are prevented from forming, or are removed after forming, by injecting...
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3940263 |
Steelmaking with inert gas blowing
An oxygen steelmaking process utilizing also an inert gas to reduce the oxidation of a desired element such as chromium while permitting a desirably low carbon level to be reached, is characterized...
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3494763 |
PROCESS FOR DISCHARGING UNBURNED WASTE GAS FROM OXYGEN TOP-BLOWING CONVERTER
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3480427 |
METHOD AND APPARATUS FOR TREATING METALLURGICAL FURNACE GASES
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3475599 |
PROCESS MEASUREMENT SYSTEM FOR BASIC OXYGEN REFINING OF STEEL
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3424573 |
PROCESS FOR COMBINED OXYGEN IRON REFINING AND PRODUCING OF FERROUS MELTS
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3395512 |
Method and means for cooling and cleaning hot converter gases
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3341324 |
Method for the recovery of a combustible gas during refining pig iron
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3321302 |
Method of utilizing the heat content of a combustible gas during refining pig iron
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3321301 |
Process of refining iron and hearth furnace for carrying out this process
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3301664 |
Apparatus for and method of production of steel
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3301661 |
Process and apparatus for producing iron and steel
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3271129 |
Method of recovering an unburnt waste gas produced in an oxygen top-blowing converter
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3257777 |
Process for treating waste gases
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3224750 |
Recovery of combustible gases in ferro-metallurgical processes
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3220826 |
Method and apparatus for recovering waste gas from oxygen top blowing converter in unburned state
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3173489 |
Method of preventing explosions in waste gas recovery systems for oxygen top-blowing converters
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3134835 |
Apparatus for recovering waste gas from oxygen top blowing converter in unburned state
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3118759 |
Method for recovering waste gas from oxygen top blowing converter in unburned state
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3111400 |
Method of and apparatus for removing and burning or chemical uttlization of convertergases, particularly during the fining process of crude-iron with oxygen
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2991173 |
Metal refining method and apparatus
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2883279 |
Method and arrangement for refining metal baths in rotary furnaces
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2831762 |
Treating converter waste gases
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3669645 |
Title is not available
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3592630 |
Title is not available
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3580718 |
Title is not available
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