(1) A coarse filter should be installed at the inlet of the circulating pump. All heat transfer oil passing through the pump must be filtered to remove impurities and foreign matter. A fine filter should be installed on the main pipeline bypass of the heating system to filter out the suspended heat transfer oil. Medium carbon particles and high polymers;
(2) The hard seal of the circulating pump equipment is reliable, and leakage is strictly prevented. If leakage is found, the inspection of the pump should be stopped immediately and emergency repairs should be carried out;
(3) The cavitation allowance of the circulating pump should be less than the cavitation allowance of the device of the circulation system, so as to avoid the occurrence of cavitation during the operation of the pump;
(4) The flow rate, head, and related power of the circulating pump must match the oil consumption of the heating system and the resistance drop requirements;
(5) The electric heating heat-conducting oil furnace can be equipped with two independent circulating pumps with their own power sources according to the situation, one is in use, and the other needs to be reserved;
(6) The circulating pump must be compatible with the characteristics of the temperature change of the heat transfer oil. The temperature rise must be gradual. Before high temperature operation, the pump must be preheated by the heat transfer oil that gradually rises in the system. In addition, pay attention to it during use. Stop the pump at high temperature. When the system stops working, you must wait until the temperature of the heat transfer oil drops below 100 to stop the pump. When the pump is out of service for a long time, drain the heat transfer oil in the slurry pump and check it regularly. Rotate the rotor 180°.
