The PET flakes (transparent PET flakes) cleaned by this equipment can meet the quality requirements of filament grade flakes. The main quality indicators of flakes are: PVC content (or low melting point PET flakes) is less than or equal to 50PPM, and the impurity content is less than Or equal to 100PPM, water content ~2%. In order to achieve this goal, the cleaning factory must clean the bottle flakes in accordance with the following cleaning process and requirements and the provisions of the operation manual to ensure that the bottle flakes achieve the best cleaning effect (excluding oil bottle flakes).
, Process operation instructions for the bottle washing machine section (transparent bottles): PET bottles that have been de-labeled, PET bottle bricks that have been preliminarily sorted and packaged after removing the caps, color garbage, etc., enter the washing workshop, and are sent to the belt by forklift or crane Conveyor, enter the bottle washing machine,
1. Feeding about 1 ton: (about 3 minutes); send the PET bottle bricks by the forklift to the belt conveyor, cut off the iron wire and unpack, and transport the PET bottle bricks to the bottle washing machine by the belt conveyor.
2. Initial washing (3 minutes in total): water in for about 2 minutes (completed at the same time as feeding), cleaning for 1 minute, and draining for 2 minutes; the purpose of the initial washing is to initially wash the surface of the bottle and internal dirt and sand. After the initial washing, the sewage Discharge into sewage treatment station for treatment
3. Hot medicine washing (12 minutes in total): 2 minutes to feed the medicine, 8 minutes to clean, and 2 minutes to discharge the medicine; the PLC automatically sends instructions to supply the medicine in the heating medicine barrel to the bottle washing machine through the medicine pump The purpose of medicament cleaning is to treat the dirt on the surface of the bottle and partially paste the trademark through the medicament. After the medicine washing is completed, it will be automatically discharged into the medicine tank, pumped into the medicine bucket by the medicine pump through precipitation, and heated to about 90 degrees, temporarily stored for the next cycle; after the medicine has been used for a long time and contains mud and sand, the medicine should be opened The valve at the bottom of the barrel discharges the sediment at the bottom of the medicament barrel to extend the use time of the medicament. Depending on the situation, the potion pools and pots are cleaned 1-2 times a week.
4. Clean water rinsing and discharging (13 minutes in total): water in for 2 minutes, cleaning for 1 minute, draining for 2 minutes, and discharging for 8-10 minutes (start discharging when the drain is halfway, the rinse water should be clean water after sewage treatment , Or water)
5. For the cleaning of oil bottles, test materials or bottles with serious pollution, according to the above cleaning process, add 1-2 times of film washing (from the floating washing machine) until the quality requirements are reached
6. When the water is in the initial washing, you can feed in the water while feeding. At the same time, before the end of each shift, the ditch through which the clear water flows is cleaned, and the clear pool is cleaned 1-2 times a month.