DPC 13, Environmental Air Control and Quality for Dairy Food Plants

Item #: DPC-013

Published: 1999

Pages: 16

This guideline provides an overview of what is involved in treatment of air for ventilation of dairy plants and factors to consider in establishing the level of quality needed and movement of air within a plant. Users should obtain enough knowledge to assess their basic needs and facilitate communication with engineers.

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
INTRODUCTION
CONTAMINANTS
THE ENVIRONMENTAL CONTROL SYSTEM
     Figure 1.  Air Duct Design
     DAMPERS
COOLING AND HEATING COILS
     Figure 2.  Drain Design
     Figure 3.  Sanitizing Air Handling System
HUMIDITY CONTROL
FILTERS
     Figure 4.  High Efficiency Filter
     Figure 5.  Filter Positions in Air Handling System
PRE-FILTER
SUPPLY BLOWER
CLEAN-UP CYCLE
DISTRIBUTION DUCT
AIR DISTRIBUTION SYSTEM
     Figure 6.  Box Diffuser & Horizontal Air Flow
     Figure 7.  Cone-Type Diffusers
SUMMARY
APPENDIX I - Mechanisms of Filtration
APPENDIX II - Preventive Maintenance
APPENDIX III - Cleaning and Sanitizing
APPENDIX IV - Quality Assurance
APPENDIX V - General Maintenance
APPENDIX VI - Glossary of Terms

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DPC 13, Environmental Air Control and Quality for Dairy Food Plants

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