Importance

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Abstract

The invention relates to a multi-washer, and to a method of cleaning synthesis gases obtained by the gasification of wastes of the most varied composition. Such multi-washers are used to remove lumpy and adhesive materials from the synthesis gas, such as carbon particles and sulphur. According to the present invention, a horizontal container (1) is sub-divided by partition bulkheads (5) into a plurality of successive wash chambers (2,3,4), which are each provided with a sumpless outflow to a respective pump system (6,7,8). Disposed in each of the wash chambers (2,3,4) is a least one substance exchanger (9) in an oblique position, which is sprayed from both sides with varying quantities of wash liquid. The sprayed wash liquid penetrates into the substance exchangers (9) and, due to the varying quantity, is removed in an directed fashion. As the wash liquid also sprays the wall of the container (1), total self-cleaning of the multi-washer is ensured. In order to prevent any transfer of wash liquid from one wash chamber (2,3,4) into the adjacent wash chamber (2,3,4), a droplet collector (10) is located in the direction of gas flow at the rear or downstream end of each wash chamber (2,3,4).

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First Claim