364 COOLING FACILITIES FOR CREAMERIES 



3. Under certain conditions, intentional or unintentional, a 

 creamery must be run without the use of ice, and without 

 mechanical refrigeration. In such a case cold water is a necessity. 

 One of the authors successfully operated a creamery for one 

 season without any other cooling agent than water. The winter 

 season had been warm and no ice was obtained nor was it obtain- 

 able at a reasonable cost. There was no room in the creamery 

 for a mechanical refrigera ting-plant, and even if there had been, 

 no money was available with which to purchase such cooling 

 facilities. The only thing to do was to close the creamery or cool 

 with water. 



The latter method was resorted to. The creamery was 

 fortunate in having an unlimited supply of pure cold water 

 coming from a mountain stream. 



This water was made effective for cooling purposes by 

 directing a constant flow through a galvanized iron tank in the 

 refrigerator. The ice-box on the inside of the refrigerator was 

 removed, and a closed galvanized iron tank put in its place. 

 This tank was connected with an inflow and overflow at the top. 

 A faucet for draining the tank was provided at the bottom in one 

 corner. The tank was made straight on the side next to the wall, 

 but sloping towards the wall on the side facing the refrigerator 

 room. This was done so as to allow the dampness or sweat col- 

 lecting on the outside to run down the sides and be collected in a 

 trough, which conveyed it to the outside. A trap was connected 

 with this outlet so as not to let in warm air. Such an arrange- 

 ment gave very good satisfaction, though not so effective in 

 cooling as ice. 



The cream was cooled and kept cold by circulating a constant 

 stream of water through the vat-jackets. The temperature of 

 the water was never above 50 F. 



The butter was disposed of locally while fresh. In cream- 

 eries where it is necessary to hold butter any length of time, this 

 system is undoubtedly less satisfactory, but under the above- 

 mentioned conditions it gave good satisfaction. 



The water- tank should never be made from wood, as wood 

 is a very poor conductor of heat. Heavy galvanized iron is best. 



