Multi-function extraction tank cleaning operation procedure analysis
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1.2. Close the bottom discharge valve and pass 2/3 of the volume of drinking water from the inlet.
1.3. Start the stirring shaft, heat it to 60 °C ~ 70 °C, stop stirring after 30 minutes, release the cleaning liquid, and then rinse the inner wall of the cylinder and the stirring shaft from the manhole with a high-pressure water gun.
1.4. Rinse the inner wall of the device with purified water.
2. Change the variety to clean 2.1. Cut off the total power supply, drain the dregs, and open the multi-function extraction tank manhole cover.
2.2. Close the bottom discharge valve, pass 2/3 volume of drinking water from the feed port, and put caustic soda from the manhole to prepare a 5% caustic soda solution. The jacket is heated by hot water to close the manhole. At the same time, the stirring shaft was started, and the caustic soda solution was heated to 60 ° C to 70 ° C. After 30 minutes, the stirring was stopped, and the mixture was allowed to stand for a while, and the alkali solution was drained.
2.3. Close the bottom discharge valve, pass 2/3 volume of drinking water from the inlet, start the stirring shaft, and stir for 5 minutes before draining the drinking water.
2.4. Use a high-pressure water gun to flush the inner wall of the cylinder and the stirring shaft from the manhole until the washing water is neutral.
2.5. Rinse the inner wall of the device with purified water.
2.6. Visual inspection, no visible residual drugs or traces.
2.7. Wipe the outer surface of the multi-functional extraction canister with the mercerized towel and drinking water, the manhole handle, the shaft, and take over the parts.
2.8. Hang the cleaning status mark and fill in the record.