L. & C. Steinmuller Gmbh

Vew Vereinigte Elektrizitatswerke Westfalen Ag

Ralf-Uwe Hartermann

Hubert Scheid

Ulrich Premel

Klaus Weinzierl

Arno Hendricks

Jurgen Poller

Joachim Papendick

Dietmar Deggim

Reinald Schulze-Eckel

Leszek Gawlowski

A process and system for cooling a dust-laden raw or untreated gas from the gasification of a solid carbon-containing fuel in a pressurized reactor. The gas from the reactor is introduced into a quench pipe that has a cross-sectional area that is smaller than the cross-sectional area of the reactor, and to which is supplied a quenching medium for direct cooling. The gas emerging from the outlet end of the quench pipe is deflected essentially by 180.degree. and, counter to the flow of the gas in the quench pipe, is guided through a cooling section that surrounds the quench pipe and is incorporated in a water-steam circuit.

Method of cooling a dust-laden raw gas from the gasification of a solid

A device for cooling a gas that forms deposits has an upright container through which the gas to be cooled flows. At least two heating surface units with at least one heating surface of a closed geometry are provided. The heating surface units are positioned within the upright container one atop the other. A cooling medium flows through the heating surface units. Each heating surface has coordinated therewith a beating device. The container has a support and an upper one of the heating surface units is supported at the support of the container. At least one array of connecting tubes for conveying the cooling medium is provided. The array of connecting tubes connects respectively a lower one of the heating surfaces units to an adjacent upper one of the heating surface units such that the cooling medium flows sequentially through the heating surface units. The array of connecting tubes has an open geometry such that a beating effect of the beating devices on the heating surfaces is unimpaired by the array of connecting tubes.

Device for cooling a deposit-forming gas

A process for the dry sluicing of sediment from pressurized systems, such as gasification processes, in which gravitationally conveyed sediments are cooled to below their release temperature before removal. The sediments are cooled via indirect heat exchange, such as radiation cooling, to below their release point in a first zone, and are then further cooled indirectly as well as directly via cool countercurrent gas in a second zone to temperatures below 300.degree. C., the sediment route in the second zone being lengthened by deflection of at least a part of the sediment, the sediment being removed via a sluice. The apparatus for performing the process includes a pressure resistant tank with a conical lower portion containing outlet branches, one outlet branch of which includes an externally cooled sediment conduit, the upper section of which includes straight and diagonal jacket surfaces, the bottom section including a vertical sediment shaft to which a first sluicing valve, a sluice and an additional sluicing valve are connected in sequence.

Process and apparatus for the dry sluicing of grit, slag or sediments

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Wiehl, Germany

Ralf-Uwe Hartermann