ECONOMICAL USE OP FUEL IN CREAMERIES. 47 



Table 8. — Possible distribution of heat energy in same plant us in Table 7. 



Total B. t. tr. in coal 470X13,500=6,400,000=100 per cent. 



Heat distribution in boiler room : b. t. u. Per cent. 



Lost in raising steam 3, 334, 550 52. 



Lost in ashes 04,000 1.0 



Lost by radiation in boiler room 206,000 4.2 



Lost by incomplete combustion 64, 000 1. 



Lost in chimney to maintain draft 1, 248, 000 19. 5 



Lost through heating moisture in coal 64,000 1.0 



Heat distribution in engine room : • 



Loss due to engine friction, radiation, and in trans- 

 mission from engine to machinery 9, 450 . 15 



Heat consumed by engine in the production of use- 

 ful work 135, 000 2. 1 



Heat in exhaust steam 1, 215, 000 19. 



6, 400,000 100. 



Heat returned to boiler through heating feed water 512, 000 8. : 



Distribution of heat contained in exhaust steam : 



Pasteurizing cream 216, 000 8^4 



Heating milk for separating 94, 500 1. 5 



Heating starter milk 27, 000 . 4 



Heating wash water 243,000 3.8 



Steaming and drying cans 135, 000 2. 



715, 500 11. 1 



o 



