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Glycol Chiller Glycol Water Chiller Low Temperature Chiller Glycol
Cooling System Low Temperature Cooling Process Chiller
What is a Glycol Chiller?
A glycol chiller is a chilling system that uses a percentage of
glycol mixed with water to create chiller circulation liquid
temperature far beyond the freezing point of water(temperature
below 0 degrees). The antifreeze nature of glycol ensures that the
chiller circulation liquid temperature (coolant) remains in a fluid
state in order to reach its low cooling points.
The water's freezing point is 0 ℃(32°F), when a glycol-water
mixture is altered, the freezing point of the coolant also changes.
From the above analysis, it’s clear that glycol chiller is more
suitable for process cooling requires for low-temperature.
Glycol Chiller system
The two types of glycol are ethylene glycol based or propylene
glycol based. The industrial glycol chiller water is between 0℃ to
-40℃ and the chiller coolant will be transported to the equipment
or products that need cooling through chiller pump.
Air-cooled chiller is built-in insulation water tank and water
pump, no need to add another cooling tower to heat. It is very easy
to install and move. But it has high requirements on the working
environment. It is cooled by hot air circulation, so if the
ventilation effect of the installation workshop is not good, it
will directly affect the refrigeration effect of the chiller.
Application
Industrial glycol water chiller unit is used to cool the hot parts
of the equipment, so that the equipment can work normally at low
temperature. Used in Beverage filling, spindle cooling, CNC machine
tools, grinding miller, reaction system, welding machine, cutting
machine and other equipment, temperature adjustment range can be 40
degrees below zero.
Specification
Model | AC-25L | |
nominal cooling capacity | kcal/h | 10570 |
kw | 12.29 | |
input power | kw | 22.55 |
power supply | 3PH~380V 50HZ | |
refrigerant | type | R404a |
type of control | expansion valve | |
compressor | type | hermetic scroll(piston) |
power(kw) | 18.75 | |
condenser | type | finned copper tube + low noise outer rotor fan |
evaporator | type | Plate heat exchanger |
chilled fluid flow (m3/h) | 5.94 | |
inlet and outlet pipe diameter (inch) | 2-1/2 | |
pump | power (kw) | 2.2 |
lift(m) | 20 | |
safety protection | compressor over temperature, over current, high and low pressure, over temperature, flow switch, phase sequence, phase-missing, exhaust overheating, anti-freezing | |
dimension | mm | 2000*1130*2000 |
weight | kg | 920 |
The nominal cooling capacity is according to: Inlet chilled fluid
temperature: -20℃,outlet chilled fluid temperature: -25℃Note:
Features of glycol cooling system
The proportion of Ethylene Glycol Aqueous Solution of glycol water
chiller unit
Operating temperature | Concentration | Density | Specific heat capacity | Heat conductivity | Viscosity | Freezing point |
℃ | % | ×10³ Kg/m³ | KJ/(kg.k) | W/m.k | Pa.s | ℃ |
0 | 25 | 1.03 | 3.834 | 0.511 | 3.8 | -10.6 |
-10 | 35 | 1.063 | 3.561 | 0.4726 | 7.3 | -17.8 |
-20 | 45 | 1.08 | 3.312 | 0.441 | 21 | -26.6 |
-30 | 55 | 1.097 | 2.975 | 0.3725 | 90 | -41.6 |