The Institute of Physical Chemistry of the Polish Academy of Sciences is a leading research unit in Poland. Founded in 1955, it boasts the highest scientific category awarded by the Ministry of Science and Higher Education (A+). The company’s leading products: body and precision seal systems, anti-vibration components and fluid transmission and power transmission systems.
The closed cooling water circuit system is designed to condition and supply cooling water to four X-ray diffractometers with specific parameters.
Water of the technological circuit pumped from a new tank with a capacity of 400 l located in the attic, above the diffractometer room. A main pump is installed next to the tank to feed the refrigeration system. Cooling water system equipped with a pressure transmitter on the discharge side. Based on the signal from the transducer, the automation system adjusts the pump capacity to the current demand of the system, without the need for any interference from the operator (follow-up system).
The requirements for water conditioning
have necessitated the use of a second water circuit in the bypass
system, which includes a
cooler and a particulate filter. A
temperature sensor is mounted in the tank.
Based on the sensor indications and the temperature parameter settings
in the controller, the water cooling circuit (heat exchanger) is switched
The water of the cooling circuit is sucked in from
the main reservoir, cooled to the
required temperature and returned to the same
reservoir. This solution makes it possible to maintain
the set temperature in the range of +-2oC
, regardless of weather conditions or parameters of water flowing from the devices. A filter with a filtration accuracy of 10μm was installed in this circuit. Replacement of the filter cartridge according to the accompanying instructions
|Total plant flow [l/min]||16|
|Operating pressure of the installation [bar]||4,2|
|Cooling capacity [kW]||4,83|
|Centrifugal pump motor power [kW]||0,37|
|Filtration accuracy [µm]||10|
|Outlet temperature range [°C]||-5 ÷ 30|