. The Street railway journal . is taken from the boilers,passed through superheaters and then into themain ring, or direct through a bye-pass to theengines. The steam pipes are entirely on the du-plicate system, and are of steel. The exhaust pipes from the main engines are24 ins. in diameter, and connected direct to jetcondensers. The whole of the exhaust pipingfrom exciter sets, fan engines and boiler feedpumps is connected to an auxiliary surface con-denser. The blow-off and main drain are connected to a com-mon blow-down tank. SUB-STATION EQUIPMENTThe sub-station equipment, save as regards
. The Street railway journal . is taken from the boilers,passed through superheaters and then into themain ring, or direct through a bye-pass to theengines. The steam pipes are entirely on the du-plicate system, and are of steel. The exhaust pipes from the main engines are24 ins. in diameter, and connected direct to jetcondensers. The whole of the exhaust pipingfrom exciter sets, fan engines and boiler feedpumps is connected to an auxiliary surface con-denser. The blow-off and main drain are connected to a com-mon blow-down tank. SUB-STATION EQUIPMENTThe sub-station equipment, save as regards amount of plant,is identical, and to describe one in detail will give an adequateidea of the whole of them. The three largest, Seaforth, Sand-hills and Formby, have each four rotary converters, whileBirkdale has three, provision being made in each case for ex-tensions. Each rotary converter is arranged with its corre-sponding groups of statics alongside, the high-tension oilswitches being placed underground. Rotary Converters.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
