. Journal. r, which is dividedinto sections by vertical baffle plates, arransed betweensuccessive rows of tubes and terminating short of theupper and lower tube-plates alternately. In this way theheating medium, which enters at one side and leaves atthe other, is compelled to take a zigzag path. A deflectingplate is placed in the evaporating chamber over the upperends of the tubes through which the liquid several pans are connected in series, the heating chamber of the first is fed with steam, but the su eoones are fed with vapour taken from the upper pa if:previous evaporating
. Journal. r, which is dividedinto sections by vertical baffle plates, arransed betweensuccessive rows of tubes and terminating short of theupper and lower tube-plates alternately. In this way theheating medium, which enters at one side and leaves atthe other, is compelled to take a zigzag path. A deflectingplate is placed in the evaporating chamber over the upperends of the tubes through which the liquid several pans are connected in series, the heating chamber of the first is fed with steam, but the su eoones are fed with vapour taken from the upper pa if:previous evaporating chamber. The liquid is fed ofirst evaporating chamber, and after oocollects in the settling chamber, from which it ia cto the evaporating chamber of the next pan. r Ilast settling chamber the concentrated liquiilthrough a strainer, whilst the vapour from tinrator passes through a condenser, providedto the pump.—W. H. C. Vacuum-Pan and Condenser; Combined . Rogers, Detroit, Mich. Pat. 795,650, July 1. , i IMS.) JOURNAL AND r.\li\ . —< . I 88] ,1 A acting as a condenser is arranged in the,,t i In yocuum-pan Dand has a deli very i hf the pan, for the condensed liquid pasthe li^r. Jets of condensing lluul ? <idenser from a reservoir B situated at the topii. The size of the jets can be regulated byi ? o circular perforated plates C, which can bej ativelv to one another, thus altering the size ofjeJ rations and consequently of the jets of con-nj H. C. Heating Drum. Maeohinen Bn Q m h IIft, Pat. 351,523, Feb, 15, A rotary heating drum, through which the liquid to beheated circulates, has its surface contracted it intervalsso us to form a series of grooves or corrugations. tting ciils. which partially or en tho drum, are placed in these grooves, and, being surrounded to French Patents. Acid ; Impts. in . ft. Pat. 351,952, Jan. 1 G. F., 1905. Ceaglio
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectchemist, bookyear1882
