. Journal. filter. It raises the water to a convenient height fordrinking and can be readily taken to pieces for cleaningpurposes.—B. Improved Filtee Pump. Improvements in Apparatus for Ejecting or WithdrawingVapours and Gates from Pipes and Chambers. , London. From L. Kohrmann, Krauscliwitz,Germany. Eng. Pat. 7579, May 1, 1891. This patent refers to details of manufacture of a porcelainor clay tube provided with an annular opening at one endthrough which steam is to he ejected for the purpose ofwithdrawing gases of a corrosive nature from pipes orreceptacles. For further particulars
. Journal. filter. It raises the water to a convenient height fordrinking and can be readily taken to pieces for cleaningpurposes.—B. Improved Filtee Pump. Improvements in Apparatus for Ejecting or WithdrawingVapours and Gates from Pipes and Chambers. , London. From L. Kohrmann, Krauscliwitz,Germany. Eng. Pat. 7579, May 1, 1891. This patent refers to details of manufacture of a porcelainor clay tube provided with an annular opening at one endthrough which steam is to he ejected for the purpose ofwithdrawing gases of a corrosive nature from pipes orreceptacles. For further particulars the specificationsshould be consulted.—B. Improvements in and Relating to Evaporators and Feed-Water Heaters. L. Burnet, Govau. Eng. Pat. 22,863,December 31, 1891. The improvements described relate to evaporating vesselsspecially suitable for supplying auxiliary feed-water to steamboilers, is best shown in connexion with one of the illus-trations accompanying the specification, which i9 The outer shell 1 is fitted with a cover 2 and bottom 3,secured by angle-iron rings 4 and 5. The heating surfaceis formed by vertical tubes 6 fitted into plates 7 and 8, and areturn pipe 9 for facilitating circulation is fitted to the outsideof the shell. The feed inlet valve may be fitted to this pipeat the point 10, 11 is the inlet for the steam, 12 the airoutlet, and 13 that for condensed water. The baffie plate14 is to prevent priming from the surface of the evaporatingliquid, and the resulting vapour is carried away through 15,16, and 17, a safety-valve being represented at 18. Thespecification refers to several variations, including some withimmoveable tubes. If the apparatus is arranged for use in multiple effect the last evaporator is fitted with a feed-water heater or economiser, which is constructed on theinjector principle and may, if necessary, be supplied withfresh steam in addition to the vapour issuing from the lastevaporator.—1!. May 31,1898,] THE JOUKNAL O
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectchemist, bookyear1882
