9 CFR 590.540 - Spray process drying facilities.
(a) Driers shall be of a continuous discharge type and so constructed and equipped to prevent an excess accumulation of powder in the drier, bags, and powder conveyors.
(b) Driers shall be of approved construction and materials, with welded seams, and the surfaces shall be smooth to allow for thorough cleaning.
(e) Indirect heat or the use of an approved premixing device or other approved devices for securing complete combustion in direct-fired units is required. A premix-type burner, if used, shall be equipped with approved air filters at blower intake.
(f) High-pressure pump heads and lines shall be of stainless steel construction or equivalent which will allow for thorough cleaning.
(g) Preheating units, if used, shall be of stainless steel construction, or equivalent which will allow thorough cleaning.
(i) Sifters shall be constructed of an approved metal or metal lined interior. The sifting screens and frames shall be of an approved metal construction. Sifters shall be so constructed that accumulations of large particles or lumps of dried eggs can be removed continuously while the sifters are in operation.
[36 FR 9814, May 28, 1971; 36 FR 10841, June 4, 1971. Redesignated at 42 FR 32514, June 27, 1977, and further redesignated at 46 FR 63203, Dec. 31, 1981]
Title 9 published on 2015-01-01.
No entries appear in the Federal Register after this date, for 9 CFR Part 590.