Wuxi Guanya Refrigeration Technology co., ltd

LNEYA ultra-low temperature bath safe operation instructions

Ultra-low temperature thermostats use more equipment in the pharmaceutical and chemical industries. At the beginning of the new year, each operator needs to pay attention to safety operations, and safely and efficiently operate ultra-low temperature thermostats.

Check the machine for damage during installation of the ultra-low temperature bath. Choose a suitable place for installation and future maintenance. The installation site must be a floor, mounting mat or foundation with a level of 6.4 mm and can withstand the operating weight of the unit. It should be placed in a machine room with a room temperature of 4.4-43.3 ° C. There should be enough space around and above the unit for routine maintenance work. At the end of the unit, a pipe space for cleaning the condenser tube bundle should be left, or a door hole or other suitable hole can be used.

Select the water pipe of the appropriate diameter of the ultra-low temperature constant temperature tank, the cooling system and the cold water system of the unit during high-power operation, and connect them correctly. For ordinary applications, the water flow speed through the evaporator and the condenser is allowed to be 1.0-3.6m/s. between. The water flow should be stable under any load conditions. All chilled water and cooling water piping should be designed and installed in accordance with conventional methods. The chilled water pump should be located on the inlet pipe of the unit to ensure positive pressure and flow within the unit. The piping should be provided with a damping tube to ensure proper flexibility and to prevent the evaporator water from being drained when the pump is shut down.

The pipe should have a strong support independent of the cryostat group to prevent stress from being applied to the components of the cryostat group. The hangers are set up to facilitate pipe alignment. In order to reduce noise and vibration, it is better to install a vibration isolator on the pipeline. In order to use the ultra-low temperature thermostatic tank group cost-effectively, it is recommended that the water treatment expert analyze the water supply quality of the evaporator and the condenser. The bad water quality will cause the scale to affect the transmission. Heat, or corrosion deposits, breeding organic matter, affecting the performance of the unit, increasing operating and maintenance costs.

In general, proper water treatment and periodic cleaning of the tube bundles maintain their good performance. If existing water quality conditions cannot be improved by appropriate methods, then consideration should be given to allowing the bundle to have a large fouling factor or to specify a specific Structural materials, after the test leak is completed, all the nozzles must be rust-proof.

During the use of the ultra-low temperature bath, you need to understand the instruction manual to avoid safety accidents during operation.
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