Created on:2021-07-22 14:10

Maintenance of steelmaking ladle_ Improvement of sliding nozzle hydraulic station

Maintenance of steelmaking ladle_ Improvement of sliding nozzle hydraulic station

① In order to solve the above problems, the original hydraulic station is improved. The principle of the improved system is shown in Figure L.

LM.jpg

The return oil-water cooling is adopted to keep the oil temperature constant; The medium pressure gear pump with q = 25L / min and Pmax = 16MPa is used to supply oil to improve the anti pollution ability; It can prolong the service life and increase the energy storage effect; The direct acting relief valve is adopted to stabilize the system pressure and improve the control sensitivity; The drain oil is directly led back to the oil tank from the outlet of the one-way oil filter, so the unloading is sufficient; The actual unloading operation of each boiler is 1-2 times, and the oil return is 30-50ML each time, which causes less pollution to the system oil; The embedded sealed oil tank is adopted to reduce the pollution of environment to oil.

② After the improvement, there is no fault affecting the production, equipment and safety, which effectively ensures the continuity of production. Maintenance has also become simple. In addition to the regular replacement of the filter screen and the replacement of two solenoid valves, the use of other components is good. The fuel consumption is reduced from 2 barrels / month to half a barrel / month. The annual maintenance cost and oil consumption are saved by more than 50000 yuan, and the indirect economic benefits are considerable.

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