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Brewery Setup Blog
The Third generation Chiller
- Sep 26, 2016
- helen
- 0
- glycol cooling system
The Third generation Chiller
1.Two Pump Glycol Design. The two pump design simply provided constant flow through the chiller evaporator at all times.
With a dedicated Circulation Pump (Pump 1) the highest evaporator efficiencies are achieved at all times.
The dedicated Process Pump (Pump 2) is sized specifically for the brewery load, no longer was our flow limited to what could be pushed through the chiller evaporator.
This design has improved continuously over the years with the addition of the center baffled storage tank, improved pump operation, high efficient evaporators, and many other features and controls.
Throughout the development process, there have been two main chiller system controls; a thermostat to control the glycol solution temperature and a flow switch to protect from freeze up damage.
Thermostats have evolved from a basic mechanical device to today’s microprocessor or PLC based controllers that actually trend and anticipate temperature loads and changes. In addition to superior temperature control, brewers are requesting the remote monitoring and notification ability these controllers provide.
The Freeze Protection has also shifted from the mechanical paddle switches to refrigerant pressure monitors, highly accurate and reliable flow sensors, and pump motor monitoring providing unmatched system protection.
2.Today’s systems are supplied with compact high efficient evaporators, providing very close approach temperatures (the Temperature Difference between the refrigerant and glycol) plus providing reliable and durable operation. The introduction of electronic expansion valves has helped increase the operating efficiencies and reliability of today’s systems.
The single biggest advancement is the total system control now provided. No longer does a customer need to purchase the brewery chiller system from multiple vendors and assemble onsite, today there are a number of chiller system manufacturers providing the total package for just about any size facility.
1.Two Pump Glycol Design. The two pump design simply provided constant flow through the chiller evaporator at all times.
With a dedicated Circulation Pump (Pump 1) the highest evaporator efficiencies are achieved at all times.
The dedicated Process Pump (Pump 2) is sized specifically for the brewery load, no longer was our flow limited to what could be pushed through the chiller evaporator.
This design has improved continuously over the years with the addition of the center baffled storage tank, improved pump operation, high efficient evaporators, and many other features and controls.
Throughout the development process, there have been two main chiller system controls; a thermostat to control the glycol solution temperature and a flow switch to protect from freeze up damage.
Thermostats have evolved from a basic mechanical device to today’s microprocessor or PLC based controllers that actually trend and anticipate temperature loads and changes. In addition to superior temperature control, brewers are requesting the remote monitoring and notification ability these controllers provide.
The Freeze Protection has also shifted from the mechanical paddle switches to refrigerant pressure monitors, highly accurate and reliable flow sensors, and pump motor monitoring providing unmatched system protection.
2.Today’s systems are supplied with compact high efficient evaporators, providing very close approach temperatures (the Temperature Difference between the refrigerant and glycol) plus providing reliable and durable operation. The introduction of electronic expansion valves has helped increase the operating efficiencies and reliability of today’s systems.
The single biggest advancement is the total system control now provided. No longer does a customer need to purchase the brewery chiller system from multiple vendors and assemble onsite, today there are a number of chiller system manufacturers providing the total package for just about any size facility.
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The advantages of the second generation chillers
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