Dairy harvesting facility wash system

• US 6,089,242 A
• Filed: 02/10/1998
• Issued: 07/18/2000
• Est. Priority Date: 02/10/1998
• Status: Expired due to Fees

• Current Assignee: Westfalia Dairy Systems Incorporated, Westfalia Surge Inc.
• Original Assignee: Babson Bros Company
• Inventors: Buck, Robert L.
• Primary Examiner(s): Stinson, Frankie L.
• Application Number:
  US09/021,632
• Time in Patent Office: 889 Days
• Field of Search: 134/58 R, 134/57 R, 134/105, 134/115 R, 134/95.1, 134/100.1, 134/169 C, 134/166 C, 119/14.18
• US Class Current: 134/57.00R
• CPC Class Codes: A01J 7/022 Clean-in-Place Systems, i.e. CIP, for cleaning the complete milking installation in place

Abstract

A dairy pipeline wash system for monitoring and controlling the wash cycle of a dairy harvesting facility including a user interactive data processor for receiving and storing wash parameters, monitoring wash conditions, comparing monitored wash conditions to wash parameters, and controlling wash conditions to comply with wash parameters. The dairy pipeline wash system may include a closed loop or fuzzy logic system to vary wash conditions as dairy pipeline conditions change.

Claims

1. A dairy pipeline wash system comprising:

a first chemical supply tank, a first pump, and a first flow meter;

a second chemical supply tank, a second pump, and a second flow meter;

a mixer vessel in fluid communication with the first pump and, the second pump;

a water supply in fluid communication with the mixer vessel;

a milk harvesting pipeline system in communication with an output of the mixer for receiving chemicals seriatim from the first chemical supply tank and the second chemical supply tank; and

a data processor for receiving input parameters from an operator interface and generating signals to activate any pump or combination of pumps to supply a predetermined amount of chemical to the mixer vessel for cleaning the milk harvesting pipeline system.

2. The dairy pipeline wash system of claim 1, and further comprising:

a third chemical supply tank, a third pump, and a third flow meter, the third pump in fluid communication with the mixer vessel and the third chemical supply tank supplying a chemical to the milk harvesting pipeline.

3. The dairy pipeline wash system of claim 1, and further comprising:

a data input terminal on the data processor for receiving signals from flow sensors for comparison with flow data input parameters and generating a warning signal when the flow sensor signal is out of a predetermined range.

4. The dairy pipeline wash system of claim 1, and further comprising:

a data input terminal on the data processor for receiving signals from a bulk tank float switch; and

a data output terminal on the data processor for transmitting signals to a diverter valve to bypass the bulk tank with wash liquid when the bulk tank float switch signals a quantity of milk in the bulk storage tank.

5. The dairy pipeline wash system of claim 1, and further comprising:

a data input terminal on the data processor for receiving signals from a wash water pH sensor; and

a data output terminal on the data processor for transmitting a warning signal when the signal indicates a wash water pH out of predetermined range.

6. The dairy pipeline wash system of claim 1, and further comprising:

a data input terminal on the data processor for receiving signals from a wash water and chemical mixture velocity sensor; and

a data output terminal on the data processor for transmitting a warning signal when the wash water and chemical mixture velocity signal is out of a predetermined range.

7. The dairy pipeline wash system of claim 1, and further comprising:

a data input terminal on the data processor for receiving signals from a wash water and chemical mixture slug size sensor; and

a data output terminal on the data processor for transmitting a warning signal when the wash water and chemical mixture slug size signal is out of a predetermined range.

8. A dairy pipeline wash system comprising:

a first chemical supply tank, a first pump, and a first flow meter;

a second chemical supply tank, a second pump, and a second flow meter;

a mixer vessel in fluid communication with the first pump and, the second pump;

a water supply in fluid communication with the mixer vessel;

a milk harvesting pipeline system in communication with an output of the mixer for receiving chemicals seriatim from the first chemical supply tank and the second chemical supply tank;

a data processor for receiving input parameters from an operator interface and generating signals to activate any pump or combination of pumps to supply a predetermined amount of chemical to the mixer vessel for cleaning the milk harvesting pipeline system;

a data input terminal on the data processor for receiving signals from thermo-couples in thermal communication with a plurality of locations in the dairy pipeline; and

a data output terminal on the data processor for transmitting signals to a water supply source to adjust the temperature of water from the water supply source.

9. A dairy pipeline wash system comprising:

a first chemical supply tank, a first pump, and a first flow meter;

a second chemical supply tank, a second pump, and a second flow meter;

a mixer vessel in fluid communication with the first pump and, the second pump;

a water supply in fluid communication with the mixer vessel;

a milk harvesting pipeline system in communication with an output of the mixer for receiving chemicals seriatim from the first chemical supply tank and the second chemical supply tank;

a data processor for receiving input parameters from an operator interface and generating signals to activate any pump or combination of pumps to supply a predetermined amount of chemical to the mixer vessel for cleaning the milk harvesting pipeline system;

a data input terminal on the data processor for receiving signals from a pipe proximity sensor on a pipe bracket; and

a data output terminal on the data processor for transmitting a warning signal when the pipe position sensor signal indicates that a pipe is out of place.

10. A dairy pipeline wash system comprising:

a dairy pipeline system for conveying milk from a milking machine to a bulk storage tank;

a plurality of pumps for conveying a mixture of cleaning chemicals and water through the dairy pipeline system;

a plurality of sensors, each sensor positioned at a predetermined location in the dairy pipeline wash system to determine actual flow rates at a respective location; and

a data processor in data receiving and transmission relationships with an operator interface, the pumps, and the sensors, the data processor for receiving and storing wash cycle parameters and operation sequencing and operating times, and for receiving data monitored by the sensors for comparing actual flow rates at the respective sensor locations to predetermined flow rates to generate a warning signal when actual flow rates are out of an acceptable range relative to the predetermined flow rates.

11. The dairy pipeline wash system of claim 10, and further comprising:

a thermo-couple in thermal communication with wash water for transmitting a signal to the data processor corresponding to the temperature of the wash water; and

the data processor is further programmed to compare the wash water temperature signal from the thermo-couple to a predetermined temperature range and generate a warning signal when the wash water temperature is outside of the acceptable predetermined temperature range.

12. The dairy pipeline wash system of claim 11, wherein the data processor is further programmed to activate an audible alarm in response to the warning signal when the temperature of the wash water is outside of the predetermined acceptable temperature range.

13. The dairy pipeline wash system of claim 10, and further comprising:

a plurality of thermo-couples each in thermal communication with a predetermined location in the dairy pipeline system for transmitting to the data processor a signal corresponding to the temperature at that respective pipeline location; and

the data processor is further programmed to compare the signal of each thermo-couple to a predetermined acceptable temperature range and generate a warning signal if the temperature at any thermo-couple location is out of the acceptable temperature range.

14. The dairy pipeline wash system of claim 13, wherein the data processor is further programmed to activate an audible alarm in response to a warning signal when the temperature at any thermo-couple location is out of the acceptable temperature range.

15. The dairy pipeline wash system of claim 13, wherein the data processor simultaneously monitors thermo-couple sensors and data input at the operator interface for controlling the temperature of water being mixed with the wash chemicals in a closed loop relationship.

16. The dairy pipeline wash system of claim 13, wherein the data processor simultaneously monitors flow rate sensors, thermo-couple sensors, and data input at the operator interface for controlling the dispensing of chemicals and the temperature of wash water in a closed loop relationship.

17. The dairy pipeline wash system of claim 10 , wherein the flow sensors each comprise:

a flow meter in fluid flow communication with each pump, the flow meter for generating a signal corresponding to the actual flow rate of fluid through the pump.

18. The dairy pipeline wash system of claim 17, wherein the data processor is further programmed to deactivate a pump in response to a warning signal when the flow through the pump is out of the acceptable flow range.

19. The dairy pipeline wash system of claim 10, wherein the data processor is further programmed to activate an audible alarm in response to the warning signal.

20. The dairy pipeline wash system of claim 10, wherein the data processor simultaneously monitors flow rate sensors and data input at the operator interface for controlling the dispensing of chemicals in a closed loop relationship.

21. The dairy pipeline wash system of claim 10, wherein the data processor simultaneously monitors flow rate sensors, thermo-couple sensors, valve position sensors, and data input at the operator interface for controlling:

the dispensing of chemicals and the temperature of water being mixed with the wash chemicals and the position of valves during the wash cycle.

22. A dairy pipeline wash system of claim 10, wherein the data processor monitors milk system vacuum, and data input at the operator interface for controlling a milk system vacuum prior to initiating a wash cycle.

23. A dairy pipeline wash system comprising:

a dairy pipeline system for conveying milk from a milking machine to a bulk storage tank;

a plurality of pumps for conveying a mixture of cleaning chemicals and water through the dairy pipeline system;

a plurality of sensors, each sensor positioned at a predetermined location in the dairy pipeline wash system to determine actual flow rates at a respective location;

a data processor in data receiving and transmission relationships with an operator interface, the pumps, and the sensors, the data processor for receiving and storing wash cycle parameters and operation sequencing and operating times, and for receiving data monitored by the sensors for comparing actual flow rates at the respective sensor locations to predetermined flow rates to generate a warning signal when actual flow rates are out of an acceptable range relative to the predetermined flow rates;

a plurality of valves having a milk position for controlling the flow of milk from the milking machine to the bulk storage tank during a milking cycle and a wash position for controlling the flow of cleaning chemicals and wash water during the wash cycle;

a valve position indicator for generating a signal corresponding to the milk position and the wash position of each valve; and

the data processor is programmed to receive the signal from the valve position indicator, and generate a warning signal in the event a valve is not in the wash position prior to initiating the wash cycle.

24. The dairy pipeline wash system of claim 23, in which the data processor is further programmed to respond to a warning signal by generating a control signal to automatically reposition any valve to a wash position prior to initiating the wash cycle.

25. A dairy pipeline wash system comprising:

a dairy pipeline system for conveying milk from a milking machine to a bulk storage tank;

a plurality of pumps for conveying a mixture of cleaning chemicals and water through the dairy pipeline system;

a plurality of sensors, each sensor positioned at a predetermined location in the dairy pipeline wash system to determine actual flow rates at a respective location;

a data processor in data receiving and transmission relationships with an operator interface, the pumps, and the sensors, the data processor for receiving and storing wash cycle parameters and operation sequencing and operating times, and for receiving data monitored by the sensors for comparing actual flow rates at the respective sensor locations to predetermined flow rates to generate a warning signal when actual flow rates are out of an acceptable range relative to the predetermined flow rates;

wherein the data processor is further programmed to activate a first pump to circulate wash water and cleaning chemicals through a dairy pipeline system;

activate an air injector to enhance water velocity through the dairy pipeline system;

drain the wash water from the dairy pipeline system;

activate a second pump to circulate the wash water and a second cleaning chemical through the dairy pipeline system;

activate an air injector to enhance water and second cleaning chemical velocity through the dairy pipeline system; and

drain the wash water and second cleaning chemical from the dairy pipeline system.

26. The dairy pipeline wash system of claim 25, wherein the data processor is further programmed to:

fill the wash vessel with water;

activate a third pump to circulate a chemical detergent and water through the dairy pipeline system;

activate an air injector to enhance water and the chemical detergent velocity through the dairy pipeline system; and

drain the chemical detergent and water from the dairy pipeline system.

27. A dairy pipeline wash system comprising:

a dairy pipeline system for conveying milk from a milking machine to a bulk storage tank;

a plurality of pumps for conveying a mixture of cleaning chemicals and water through the dairy pipeline system;

a plurality of sensors, each sensor positioned at a predetermined location in the dairy pipeline wash system to determine actual flow rates at a respective location;

a data processor in data receiving and transmission relationships with an operator interface, the pumps, and the sensors, the data processor for receiving and storing wash cycle parameters and operation sequencing and operating times, and for receiving data monitored by the sensors for comparing actual flow rates at the respective sensor locations to predetermined flow rates to generate a warning signal when actual flow rates are out of an acceptable range relative to the predetermined flow rates, wherein the data processor simultaneously monitors flow rate sensors, thermo-couple sensors, chiller temperatures, and data input at the operator interface for controlling the dispensing of chemicals and the temperature of water being mixed with the wash chemicals in a closed loop relationship.

28. A dairy pipeline wash system, comprising:

an operator interface for inputting dairy pipeline wash parameters relating to the cleaning of a dairy pipeline between a milking machine and a milk storage tank;

a plurality of sensors for monitoring dairy pipeline wash conditions and generating data corresponding to the monitored wash conditions;

a data processor in data receiving relationship with the operator input to store the dairy pipeline wash parameters and in a data receiving relationship with the sensors for receiving wash condition data, the data processor being programmed to compare the wash parameters with the wash conditions and generate a warning signal when monitored wash conditions are outside of the stored wash parameters.

29. The dairy pipeline wash system of claim 28, wherein the sensors are wash chemical flow meters.

30. The dairy pipeline wash system of claim 28, wherein the sensors are wash water monitoring thermo-couples.

31. The dairy pipeline wash system of claim 28, wherein the sensors are valve position indicators for monitoring valve positions prior to initiating a wash cycle.

32. The dairy pipeline wash system of claim 28, wherein the sensors are wash water pH sensors for monitoring wash water pH prior to mixing with cleaning chemicals.

33. The dairy pipeline wash system of claim 28, wherein the sensors are wash liquid velocity sensors for monitoring the velocity of wash liquid in the dairy pipeline.

34. The dairy pipeline wash system of claim 28, wherein the sensors are pipe proximity indicators for monitoring wash system pipe connections to be dairy pipeline.