Automatic siphonic apparatus as used in sewerage systems and in sewage purification plants . e tarjk half the seal in all thetraps 1b forced out, one of the siphons operates, draws the waterfrom the tank down to the bottom of the hell, and when ventedleaves its own trap full* The two idle siphons have their trapsweakened an equal amoimt and either may operate at the next riseof water in the tank. This condition is overcome by means of the piping shownin the drawing on Plate IX. As will be seen the discharge headof each siphon is connected to the short leg of one of the othertraps. When one sip
Automatic siphonic apparatus as used in sewerage systems and in sewage purification plants . e tarjk half the seal in all thetraps 1b forced out, one of the siphons operates, draws the waterfrom the tank down to the bottom of the hell, and when ventedleaves its own trap full* The two idle siphons have their trapsweakened an equal amoimt and either may operate at the next riseof water in the tank. This condition is overcome by means of the piping shownin the drawing on Plate IX. As will be seen the discharge headof each siphon is connected to the short leg of one of the othertraps. When one siplion operates some of the water flows througjithis pipe and refills the trap to which it is connected. Theremaining siphon having no means of refilling its trap is leftwith a weak seal, and at the next rise of water will be the oneto operate. This operation is repeated at the next rise, eachdischarging siphon filling its own trap and the trap of the idlesiphon to which it ie connected. The general plan shows the application of the triple alter-nating siphons to tJiree sand filter beds. .. r/?e ap/o/icat/oo o/ //?e /r//o/e 4/fer/70f//7g ^/p/?o//^Ca/oac/fy oyyo/a/?f ^<5^000 ^a/Za/?^ /o<s/^ c/ay: ?Ax Tjri:°J : 1 It
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectsewerage, bookyear190
