The East Pyongyang Thermal Power Station focuses on the improvement of equipment management.
The coal-crushing system plays an important part in power generation. If equipment of this system, which can be claimed to be the preceding process of electricity production, stops working, it will have a negative effect on the latter processes and the power production as a whole.
The power plant carried out the repair of the system regularly, but it went wrong occasionally.
For example, when the system was in operation, serious vibrations of equipment were detected.
A mass technical innovation drive was conducted to update the management of equipment in the coal-crushing system.
Technicians and workers pooled efforts to break technical bottlenecks, measuring the vibrations of such equipment as crusher, speed reducer and electric motor and developing a low-speed swivel gear which would be used for ensuring the synchronism of shaft centre.
As a result, it reduced the vibrations of equipment in the system, which was believed to be impossible to do by its technical personnel and with the capacity of its repairs workshop, saving a great deal of labour and materials.
The station also made a grinding jig for processing the sealing part of high-pressure valve to be used for repair work.
It enables it to finish the repair of parts with one or two workers in a short time and ensure normal operation of equipment, while saving a large amount of welding rods which were used for repair.
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