Container refrigeration systems

Piping must be of sufficient dimensions to prevent losses.
Minimum pressure rating of 16 bars.
Optimum flexibility and clarity
Various materials for the respective application (CU, SS, PVC, PP, PE)
Optimum insulation to avoid temperature fluctuations

If the make-up water contains too much lime, or lime deposits are to be expected due to the operating conditions (high temperatures, evaporation), softening of the make-up water is necessary. Occasionally, under particularly critical conditions, complete desalination of the make-up water is required.
To soften the make-up water, ion exchangers are used, which exchange the calcium and magnesium ions that form deposits for sodium ions. If the exchange capacity is exhausted, the ion exchanger is regenerated with a saline solution and becomes available again. The regeneration process is fully automatic.
With softened water, lime scale deposits can no longer occur. Softened water cannot build up natural corrosion protection due to its lack of hardness; depending on the material, the use of a corrosion protection agent is then required.

The consumer pumps on our refrigeration systems are equipped with pressure-dependent, speed-controlled drives. This reduces the energy consumption of the pumps by up to 40%.
Pumps from the L&R ECOPRO efficiency range are also speed-controlled and, in the case of the KSB pump, are equipped with SuPremE drives. The combination of synchronous reluctance motors and frequency converters allows high energy savings, especially during partial load operation.

“Winter relief” can be used whenever the outside temperature is lower than the required process temperature. In this scenario, outside air is used for cooling. A free cooling unit used for this purpose can also be used in summer, e.g. in plastics plants, to provide additional cooling for the hydraulic circuit.

Stainless steel strainer basket filters with bypass for cleaning during operation.
Protects the system against impurities and blockages in the heat exchanger channels. Reduces deposits of biological matter.

L&R has comprehensive experience in planning refrigeration systems for areas at risk of explosion, in accordance with ATEX Directive 94/9/EC. In systems that conform with ATEX standards, which L&R plans for chemical and process technology companies in particular, only appropriately certified electrical components are used. Static charges, sparks and increased temperatures can be reliably excluded, both while operating the system and in potential fault situations.