DPC 4, Installation, Cleaning & Sanitizing of Large Parlor Milking Systems

Item #: DPC-004

Published: 2010

Pages: 45

This guideline provides a practical discussion, for the dairyman, equipment specialists and certified equipment dealers of the installation, cleaning, and sanitizing of large milking systems. The installation sections cover basic information regarding applications and approvals, the electrical power supply, the vacuum system and sanitary piping and components. The recommendations are kept in line with those of 3-A Accepted Practices for Design, Fabrication and Installation of Milking and Milk Handling Equipment, and with the Milking Machine Manufacturers Council of the Farm and Industrial Equipment Institute. Subjects discussed pertaining to cleaning and sanitizing include: steps in cleaning mechanical cleaned pipeline systems, cleaning and sanitizing bucket milking machines, cleaning vacuum/pulsation lines, cleaning farm milk tanks, and troubleshooting cleaning problems. Also provided are: model application forms, scheduled maintenance services for milking and cooling systems, a checklist for troubleshooting high PI counts, terms and definitions based on international usage, sources of cleaners and sanitizers, cfm ratings for vacuum pumps, and a list of useful references.

DISCLAIMER: The DPC is not responsible for the use or application of the information provided in this Guideline. It is the responsibility of the user to ensure that the information addresses their needs and that any action taken complies with appropriate regulations and standards.

Table of Contents
Background and Overview ....
Applying for, Approval of, and Testing Milking and Milk Handling Systems
ELECTRICAL POWER SUPPLY
     Check With Power Supplier
     Conform With Codes
     Protect Yourself
     Protect Your Milk
THE VACUUM SYSTEM
     Vacuum Pump
     Vacuum Pump Sizing Example
           Table 1 De-rating for Vacuum Pumps at Elevations Above Sea Level
     Regulators & Safety Valves
     Milking System Test Procedure
          Static Testing
          Air Lines (Vacuum)
                  Table 2. Recommended Minimum Main Air Line Diameter
SANITARY PIPING AND COMPONENTS
     Milk and Wash Lines
     From Milking Units to Receiver
          Table 3. Guidelines to Assure Stratified Flow in Looped Milklines
     From Receiver to the Bulk Milk Tank
     Washing Components
          Table 4. Tubing Lengths to Contain 1 Gallon, Full Flooded
          Table 5. Typical Capacity of Accessories
          Table 6a. Worksheet: Washing System Water Requirements
     Procedures To Mechanically Clean Pipeline Systems
          Table 8 Minimum Detergent Concentration When using Chlorinated Alkaline Detergents
     Cleaning Pulsator Airlines
     Cleaning Sanitary Trap Vacuum Lines
     Troubleshooting Cleaning Problems
          Examination Areas
     Causes of Cleaning Problems
APPENDIX 1a. Application to Install or Remodel a Milking System
APPENDIX 1b. FARM REFRIGERATED BULK MILK STORAGE TANK
APPENDIX 2. SCHEDULED MAINTENANCE FOR MILKING SYSTEMS
APPENDIX 3. Wash System Analysis

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DPC 4, Installation, Cleaning & Sanitizing of Large Parlor Milking Systems

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