. Packing house and cold storage construction; a general reference work on the planning, construction and equipment of modern American meat packing plants, with special reference to the requirements of the United States government, and a complete treatise on the design of cold storage plants, including refrigeration, insulation and cost data .. . 3—BRINE LOFT FOR SPRAY SYSTEM. at opposite sides of the cooler. A gravity circulation iscreated by the movement of the air in the loft towards thecold air duct and a corresponding movement of air in thecooler towards the warm air duct. The concrete fl
. Packing house and cold storage construction; a general reference work on the planning, construction and equipment of modern American meat packing plants, with special reference to the requirements of the United States government, and a complete treatise on the design of cold storage plants, including refrigeration, insulation and cost data .. . 3—BRINE LOFT FOR SPRAY SYSTEM. at opposite sides of the cooler. A gravity circulation iscreated by the movement of the air in the loft towards thecold air duct and a corresponding movement of air in thecooler towards the warm air duct. The concrete floor or drip pan is built with an inclineof two feet and is insulated with four iiiches of corkboard,laid in hot asphalt pitch. The finished surface is madewaterproof with 5-ply roofing felt, applied with odorlessroofing pitch. The partition for the warm air duct is built of 4-inchbrick or hollow tile and is insulated with three inches ofcorkboard, which is finished with Portland cement construction is fireproof throughout except for the 66 PACKING HOUSE COOLERS 4x10-inch timbers which support the hog-rails in the supports could be made of structural steel in caseit would be desirable to entirely eliminate wood in theconstruction. Curtain System of Refrigeration In Figure 44 is indicated a system of exposed brine. FIG. 44—GARDNERS CURTAIN SYSTEM. circulation patented by Mr. H. C. Gardner, of Chicago, system has been used in some of the largest plants inChicago. The principle of operation is as follows: In therefrigerating loft above the cooler is hung a series of cur-tains, or cloths, suspended from the ceiling. Over each PACKING HOUSE COOLERS 67 curtain is placed a brine trough which is filled with coolchloride of sodium brine. This overflows the trough andtrickles down over the cloth to the floor below. The warmair from the cooler comes in contact with the cold brineand is chilled and purified before it passes down throughthe cold air duct
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Keywords: ., bookcentury1900, bookdecade1910, bookidpackinghouse, bookyear1915
