Even if the plant does not have a schematic on file, an assessment for Cross-connections must be completed by inspection personnel. With all elements in the bath, observe the sterilization timer. This requirement is applicable to HTST pasteurizers only. Also determine flow rate ratio (product : water). Hope you've found this instructable useful. Time delay relay is a unit which defers a function by a set period of time. The distance between the two probes should not be more than 30 cm (12 "). This pen, also called the event or divert pen, records the position of the flow diversion device with a line on the outer edge of the chart. Move the Flow Diversion Device to the forward flow position using the Inspect position of the selector switch and disconnect stem from actuator. Also, check out this source: https://www.seriouseats.com/2013/10/sous-vide-101-... About: Building design/consulting in Vancouver, WA. These can be added individually and in combination at levels of 0.05 to 0.5% by weight. All flow promoting devices remain de-energized or by-passed. The indicating thermometer is the reference thermometer and the recording thermometer represents the legal record of the pasteurization process. dye recirculation, dye check, pressure retention, Helium testing, etc). To all Flow Diversion Devices used with HTST pasteurizers and ESL systems which use a dual stem valve assembly. Ensure that the pressure differential remains adequate and the Flow Diversion Device remains in forward flow position. The leakage chamber must be vented to the atmosphere with a leak detect tube having a hydraulic diameter greater than the hydraulic diameter of the supply. Design of the manually or automatically controlled valve which will permit a slight movement of product through the by-pass line; or. The percentage of yolk in eggs tends to increase with age of layer, ranging from 32 percent for eggs weighing 24 to 26 ounces per dozen from hens 10 months old to 34 percent from hens 19.5 months of age. Example: There are 106 feet of 2 1/2-inch diameter pipe and 94 feet of 2-inch diameter pipe. Ensure that the pressure differential remains adequate and the Flow Control Device continues to operate following its momentary pause during the Flow Diversion Device transition. Enter finding on chart and initial. Interfere with the detection, or stoppage, of forward flow of unpasteurized liquid egg. Note: The above procedure applies only to thermometers used for pasteurization. Air to the flow diversion device must be clean and unrestricted. Whenever any alteration is made affecting the holding time, the velocity of the flow or the capacity of the holding tube. Applies to HTST systems. The driving mechanism shall be designed so that in the case of wear, belt stretch, etc. Eggs should only be allowed to sit at 140 F for 3 min. Means must be provided to prevent unauthorized access to the pressure differential controller setting and pressure sensors. 426/330.1, 426/399, 426/521, 426/614, 426/399, 426/521, 426/614, 426/319, 426/370, 426/330.1, 426/372, 426/106. Greg - thanks for sharing... do you have a link? The heating section of the HTST pasteurizer provides rapid, uniform and controlled heating of the product up to pasteurization temperature. 4,853,238, Huang discloses a process which does not require turbulent flow even though even higher temperatures are employed. You are now leaving an American Egg Board-funded site. The chart positive drive mechanism shall be equipped with a system to prevent slippage or manual rotation (e.g. Upon installation, once every 6 months thereafter, and whenever a seal has been broken. To all booster pumps used for HTST (In product-to-heat transfer medium-to-product type regeneration, the heat transfer medium pump is considered as the booster pump). Temperature and time are critical factors required to achieve pasteurization. 19 et seq. that's an amazing memory, I wonder if anyone still does that-I;ve heard of various things eggs were submerged in to lengthen their usable life, assuming that they'd be fully cooked, of course in their recipe. As these records are the only historical record of exact happenings of the pasteurization of each product, it is very important that they adequately and accurately reflect the heating process. Cut-in and cut-out temperatures shall be determined and recorded on the chart daily by the operator at the start up and when new set-point is selected. The leak detect vent must always be fully open to the atmosphere unconnected with no restrictions and the valves installed such that a leak can be observed, and that the valves fail safe position is defined as closed.
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