The kitchen smoke exhaust system is used to purify the oil smoke in the kitchen, and the kitchen smoke exhaust system needs to be cleaned regularly. If the kitchen smoke exhaust system is not cleaned regularly, it will cause great harm. For example, it can not achieve the expected purpose of purifying the oil smoke, resulting in environmental pollution, making the kitchen produce more pungent gas, etc.
1、 Cleaning and maintenance steps of kitchen smoke exhaust system
1. Open the door of the electric box, open the leakage switch, confirm that the equipment stops working, the indicator light goes out, open the access door, use the metal part of the insulated screwdriver to short connect the negative and positive plates of the electric field to release the residual electricity in the electric field, wear rubber gloves, take out the electric field and the current equalizing net in turn, and put the electric field taken out properly to prevent stepping deformation.
2. Prepare lye: the ratio is NAOH (caustic soda): warm water (50 ℃)=1:25. When cleaning, wear rubber gloves and goggles to avoid lye injury.
3. Clean the electric field: put the electric field into the prepared caustic soda water, hook it up with a hook, and slowly put it into the bottom to prevent the alkali splashing. The alkali should be kept away from the electric field, and soak for 10 minutes. The immersion time should be extended appropriately if there is much oil (note: do not soak for a long time). After soaking for a proper time, hook the electric field and shake it for several times, wear rubber gloves to take out the electric field, drain the excess alkali, and clean the dirt and alkali on the electric field with a water gun, In particular, clean the alkaline solution and dirt on the insulator to avoid arcing discharge, abnormal operation, etc. Reverse the electric field and wash it again.
4. Clean the current equalizing net: put the current equalizing net into the alkaline solution, soak it for ten minutes, take out the current equalizing net, wash the dirt and alkaline solution with a water gun, wipe several insulators on the door panel of the power plant, dredge the bottom oil drain with thick iron wire, check the electric field insulator and door panel insulator. If the insulator is found to be broken or cracked, replace it to check whether the distance between the electric field plates is even, and if there is any deformation, be sure to straighten it, Check whether there are foreign matters (wool or steel wire) between the electric field plates, and clean them if necessary.
5. Replace the electric field and current sharing net, close the electric field door, pay attention to the spring should be facing the center of the insulator, lock the door, close the leakage switch, the smoke removal indicator light is on, and the current display is normal. If there is any abnormality, please check the electric field and insulator, close the electric box door, and the cleaning and maintenance is completed.
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