Society of Glass Technology · [Sheffield] · leaf 490
flue of sufficiently large section was employed, servingto mix and render the gas homogeneous and supplying it at aconstant composition and pressure to the furnace. This flue alsoserved to check the speed of the gas, so throwing down dust andcondensing tar and water. The bottoms of this flue and of… … Fig. 19. circulated water or lime water. Many modern producer plantswere constructed with special tar-extracting apparatus, and in thiscase the fuel was burnt at a lower temperature (400—500°) in orderto obtain phenol, paraffin, etc., as by-products. Furnace Plant.—In building the usual type of…
Glass
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