. Transactions . Plant of Three-Pass Stoves. Plan. entire mass of brick-work above the seat had to be removed, entail-ing a great loss of time and work. The sliding hot-blast valverenders this operation, when necessary, quite simple. The valveshown in Fig. 5 presents several novel features. The seat A, , is a hollow phosphor-bronze casting, fitted into a ring C, with a 170 GORDON S WIIITWELL-COWPEB FIRE-BRICK HOT-BLAST STOVE 6. Gordons whitwele-cowper fire-brick hot-blast stove. 171 slightly tapered or spherical joint. The body of the valve consistsof a simple neck, riveted to the wrought
. Transactions . Plant of Three-Pass Stoves. Plan. entire mass of brick-work above the seat had to be removed, entail-ing a great loss of time and work. The sliding hot-blast valverenders this operation, when necessary, quite simple. The valveshown in Fig. 5 presents several novel features. The seat A, , is a hollow phosphor-bronze casting, fitted into a ring C, with a 170 GORDON S WIIITWELL-COWPEB FIRE-BRICK HOT-BLAST STOVE 6. Gordons whitwele-cowper fire-brick hot-blast stove. 171 slightly tapered or spherical joint. The body of the valve consistsof a simple neck, riveted to the wrought-iron elbow and engagingthe ring C on the bottom flange. The cap E is bolted to this gland N is fitted to this cap with a spherical joint. If, there-fore, the valve-seat A should get out of line, adjustment can beeffected with the keys, the spherical joint before mentioned permit-ting sufficient movement, and retaining a tight joint. This adjust-ment is compensated at the other end of the valve by the ball-jointedgland N. To replace a valve seat merely necessitates the removal ofthe cap E and a man-hole cap underneath this, through which thenew seat may be adjusted. All the air for combustion is admittedthrough a single opening directly under the gas-inlet to the stove,insuring a thorough mixture of the products. This air-valve whichis of the puppet form is attached to a hinged door, and also forms anopening in the
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Keywords: ., bo, bookcentury1800, bookdecade1870, booksubjectmineralindustries
