Wuxi Guanya Refrigeration technology co., ltd
Tel: + 86 510 82303782
E-mail: sales@cnzlj.com
Add: No.10, Zhenfa No.1 Road, Shuofang Street, New District, Wuxi, Jiangsu, China
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Glycol Cooling Heating Control System

Glycol Cooling Heating Control System

  • Glycol Cooling Heating Control System
Glycol Cooling Heating Control System
  • Product Description
  • Knowledge Center
The testing object is connected to a testing adapter. Components cooling and the heating test is conducted by ethylene glycol aqueous. The whole component is in the environment storehouse which offers a high or low-temperature environment. The testing of components will have a specific temperature change temperature variation curve, it will record the temperature change temperature range is usually from - 40c to 150c.

Application
a. The testing object is connected to a testing adapter.
b. Components cooling and the heating test is conducted by ethylene glycol aqueous.
c. The whole components ix in the environment storehouse which offers a high or low temperature environment.
d. The testing of components will have a specific temperature variation curve, it will record the temperature change .Temperature range is usually from -40℃to 150℃.
e. Tolerance tests are usually carried out in an infinite loop.

Product Description
The following are demanded parametric variation of continuous periods:
a. The temperature range of ethylene glycol aqueous solution is from - 40℃to 150℃.
b. The temperature range of environment room is - 50℃to 150℃.
c. Very steep variations in the temperature gradient.
d. The outlet temperature limit.
e. Visualization, data storage, report analysis.
f. Temperature control system can flexibly be connected to other testing platforms.

Type KRY-5A25W
Medium Temp.range -45℃~150℃
Control mode Feedforward PID+our special dynamic control calculation, PLC controller
Temperature control Control inner box temp.
Program editor 10 programs, each program can edit 45 steps
Communication protocol MODBUS RTU protocol, RS 485 interface
Temperature feedback single temp.measuring
Temp.accuracy ±0.3℃
Heating power 9kw
Cooling capacity 150℃ 9kw
100℃ 9kw
20℃ 9kw
0℃ 9kw
-20℃ 9kw
-40℃ 7kw
-45℃ 4kw
Internal circulation wind flow rate 2400m³/h
Compressor Emerson
Expansion valve Emerson
Oil separator Emerson
Evaporator Copper aluminum-fin
Operation panel 7-inch touch screen, temperature curve record/excel data output
Safety protection Self-diagnosis function; freezer overload protection; high-pressure switch; overload relay; thermal protection device, liquid low-level protection, high-temperature protection and temperature
Closed circulation system The whole system is full closed circulation, there is no oil mist at high temperature and no water vapor at low temperature, pressure does not rise up when the system is running. The system will supply oil automatically at low temperature.
Refrigerant R-404A
Connection size PN10
Water-cooled type W 8.5m³/h 1.5bar~4bar cooling water@25℃
Water-cooled condenser Shell and tube exchanger
Power 380V 50HZ 57kw(max)

Maintenance of Glycol Cooling Heating Control System
Apart from the attention needed during the daily use, the regular check and maintenance of Glycol Cooling Heating Control System are also very important. In order to help all of you learn to use Glycol cooling heating more efficiently,   Guanya Refrigeration sort out related maintenance, so that you can use it in time.

Screw Compressor

Screw compressor is a very important part of ethylene glycol refrigerator, and the compressor is directly related to the stability of the unit. If the compressor has something wrong, In view of the high precision of the assembly precision of the screw compressor, the factory is usually required to carry out the maintenance, so it needs to be paid more attention in the ordinary use process in using.

Condensers and Evaporators

Is there is something wrong with the Glycol cooling heating control system, in view of the high precision of the assembly precision of the screw compressor, the factory is usually required to carry out the maintenance, so the compressor needs to be paid more attention in the ordinary use process.

Washing of condensers and evaporators

The cooling water of the water-cooled condenser of glycol refrigeration unit is open loop circuit. The circulating water is usually used by the cooling tower. When calcium the content of salt and magnesium salt in water is large, it is easy to decompose the fouling between the pipe and rock, and the heat transfers. Once the scale of the condenser of glycol cooling system is too thick, the cross section of the cooling water will decrease, the water volume will decrease and the condensing pressure will increase. Therefore, when the water quality of the cooling water is poor, the cooling water pipe should be washed at least once a year to remove scale and other contaminants. Of course, not only glycol cooling system but other other related cooling equipment used for a period of time, their maintenance knowledge is needed to learn in everyday use.
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  • TEL:+ 86 510 82303782
  • FAX:+ 86 510 88587187
  • EMAIL:sales@cnzlj.com
  • ADDRESS:No.10, Zhenfa No.1 Road, Shuofang Street, New District, Wuxi, Jiangsu, China