Mastering power production ; the industrial, economic and social problems involved and their solution . Fig. 12.—Centralized Instrument Board In boiler room practice the principle of centralized control board is of recentorigin. This board consists of four panels centralizing battery of four large flow-meters, draft gages and flue gas pyrometers show conditions ineach boiler unit; temperature of feed water and of superheat and steam pressureare recorded for the battery as well as chart-drawing; integrating flow meterrecords total output. Gas analyzer is in the rear and telep


Mastering power production ; the industrial, economic and social problems involved and their solution . Fig. 12.—Centralized Instrument Board In boiler room practice the principle of centralized control board is of recentorigin. This board consists of four panels centralizing battery of four large flow-meters, draft gages and flue gas pyrometers show conditions ineach boiler unit; temperature of feed water and of superheat and steam pressureare recorded for the battery as well as chart-drawing; integrating flow meterrecords total output. Gas analyzer is in the rear and telephone to the left keepsboiler room foreman in touch with the rest of the Fig. 13.—Non-Slippery Walks and Railings It is important to provide safe and convenient gangways around the boilersvalves, machinery, etc. There must be always plenty of work space around, goodventilation, and it should not obstruct light. 67 on one central board, as shown in Figure 12, operated by trainedfiremen or a combustion engineer are amply demonstrated in theauthors practice. H. Compactness of plant layout without crowding with resultantinaccessibility of equipment for operation, inspection and repair is ahard problem to solve. The evident advantage of its successful solu-tion lies of course in reduced rent, smaller distances to walk throughfor operators, and further advantages for extensions. Otherwise,however, this factor has little bearing on operating economy andmethods save for the reduced expense of cleaning, lighting, heating,and the like. I. The importance of safety arrangements and devices is so wellrecognized that it is hardly worth-wrhile to enlarge upon the subje


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