Hartung, Kuhn & Co Maschinenfabrik Gmbh

Franz Goedde

Johann G Riecker

Fritz Schulte

Wolfgang Schrank

Rudolf Redlich

Preheated bulk material capable of coking is quenched by flowing the quenching liquid through the loose bulk material, whereby the bulk material is substantially closed off relative to the atmosphere. The liquid is applied to the top of the bulk material in a quenching chamber which is closed at its top by a sealed cover and which has an open grating for a horizontal bottom. The steam formed by the quenching liquid and, if formed, any excess quenching liquid are drawn off from the quenching chamber through the open grating. The total quantity of quenching liquid to be supplied as a function of time is controlled by a valve through a control signal depending on the chemical and physical properties constituting bulk material characteristics prior to the heating of the coal. The control signal also takes into account the type of the intended heat treatment in the form of quenching characteristics. In a surprisingly simple embodiment the valve may be controlled by the operation of a cam disk which has a cam surface shaped in accordance with these characteristics.

Method for quenching coke

Heated bulk material, such as coke, is quenched by a liquid flowing from the top downwardly through the bulk material. During the quenching the bulk material is closed off from the atmosphere. The steam forming from the quenching liquid is carried off downwardly in parallel flow with the quenching liquid. For this purpose the amount of quenching liquid distributed over the bulk material is so measured or dosed that it participates completely in the quenching process, whereby the quenching liquid evaporates completely except for a specific residual moisture in the coke. The flow resistance which varies over the base surface of the bulk material is compensated by a carry-off resistance which is inversely proportional to the respective bulk material height. The varying of the flow resistance is due to a bulk material height which changes from one side of the quenching container to the opposite side as a result of an inclined container bottom. Additionally, the amount of quenching liquid distributed over the top surface of the bulk material is substantially proportional to the respective height of the bulk material. The quenching chamber is provided with an inclined, perforated bottom. The perforations are so dimensioned that the ratio of bulk material height to the respective open passage area of the bottom is approximately constant.

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Stolberg, Germany

Franz Goedde