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Equipment for contacting a solid and a liquid, particularly for extracting a solid with a liquid.
Equipment for contacting a solid and a liquid, particularly for extracting a solid with a liquid.
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机译:用于使固体和液体接触的设备,特别是用于从液体中提取固体的设备。
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摘要
The equipment has a tube-shaped casing (1), in which an endless drag chain (2) connected to a driving mechanism is situated, to which trays (3) possessing a filter sheet (30) each are fastened with an interspace (g) one from another, a feeder (4) used for feeding in the granular solid (20) to be extracted is introduced to the casing (1), a feeding orifice (5a) is provided for introducing the extraction liquid to the casing (1) and the equipment has a filter unit (10) inserted to casing (1) used for selecting the liquid containing the material extracted, as well as a discharge orifice (17a) for removing the extracted solid. The principle of the invention consists therein that the chain links (38) of the drag chain (2) are articulately connected one to another by intermediation of the rolls (40). The trays (3) are rigidly fastened to the intermediate part of one chain link each in the region of a circumferential site thereof, on the longitudinal geometric centre line of the chain link. A sealing element (31), which widens outwards, is elastically deformable and nuzzles close to the inner surface of the casing (1) wall during passage of the trays (3), is fastened to the hind part of the trays (3) in relation of their passage direction (f). A pulsator (6) is connected to the casing (1), preferably in the region of the lowest site thereof in order to intensify the movement of the liquid.
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