. Canadian engineer . made in various sizes and with rollersranging up to five tons in weight each. In any lime-sand brick plant one of the most importantitems is the press, as upon this depends more particularlythe output, the general quality, and the finish of the bricks. .\fter an extensive experience in press manufacture, theresult of the companys work is the Emperor press. Thisis a rotary table press capable of pressing the bricks equallyfrom top and bottom. The hardening chambers are specially designed for therequired pressure, usually 125 lbs. per square inch, and areconstructed in acco
. Canadian engineer . made in various sizes and with rollersranging up to five tons in weight each. In any lime-sand brick plant one of the most importantitems is the press, as upon this depends more particularlythe output, the general quality, and the finish of the bricks. .\fter an extensive experience in press manufacture, theresult of the companys work is the Emperor press. Thisis a rotary table press capable of pressing the bricks equallyfrom top and bottom. The hardening chambers are specially designed for therequired pressure, usually 125 lbs. per square inch, and areconstructed in accordance with the requirements of the in-surance companies. The most usual diameter is 6 ft., buton occasion they are made up to 6 ft. 6 in. and 7 ft. indiameter. Figure 3 shows the ends of a chamber and thearrangement recommended for opening the door. When fuel is expensive and freights high, and first costof plant is required to be reduced as far as practicable,small hardening chambers are supplied 3 ft. in Fig. 4.—Automatic Feeder. working at 200 lbs. pressure. This admits of steaming be-ing eflFected in four hours, and if the chambers are so ar-ranged that they can be operated day and night, the savingof steam is considerable, as one chamber can then be ar-ranged always to exhaust into one ready for steaming. For automatically measuring the feed to elevators andmixers circular automatic feeders, as illustrated in Figure 4,are used. This illustration shows the feeder automaticallyfeeding an elevator. A wagon load of material can be tip-ped into it at one time, and it can be adjusted to pass thematerial at the required rate of feed. This prevents the possibility of choking the elevators,and does away with the necessity of labor feeding the ma-chines or elevators, whilst at the same time it acts the partof a measurer MOVING A LONG BRICK WALL. In order to widen the train shed of one of the railroadstations in .Antwerp, Belgium, it was found necessary tomove a brick w
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Keywords: ., bookcentury1800, bookdecade1890, bookpublishertoron, bookyear1893
