Isolation of the capacitor to be cleaned from the cooling tower system to the valve a device or by deactivating the condenser piping. The pump, in the lower end of the condenser. Ventilation highest point of the tube Recalling decision drum must be in some units to ensure full penetration of the coastline.
As shown in Fig. 8.8, began to contact with the plastic pail or drum minimum amount of water required to maintain the circulation. After adding antifoam or solid reagent scale remover, slowly add the liquid scale remover until the test strips indicate a certain power for cleaning. The test often and watch spray foam caused by carbon dioxide in the return pipeline. Add funds for descaling as necessary to maintain strength. Never add more than 1 pound of solid scale remover per liter of solution. Most capacitors with moderate amounts of carbonate scale can be cleaned in about an hour. The appeal within 30-40 minutes without having to add detergent for maintaining the cleaning power, as a rule, indicates that the action has stopped, and that the capacitor is clean.
Empty and clean up after cleaning the condenser with at least two full fillings water. Re-connection of the condenser in line.
If the capacitor is fully Packed with scale, it is sometimes possible to open a passage for cleaning solution using a standpipe method, as shown in Fig. 8.9. Enough liquid scale remover is mixed with an equal volume of water to fill two vertical pipes to slightly above the condenser. Some foaming will result from activities net decision on the scale. Thus, some protective measures should be taken to prevent foam from harming the surrounding objects. Antifoam agent is included with every package will help control the nuisance. When the cleaning operation was completed, drain the spent solution to the sewage system. Rinse capacitor with at least two fillings of fresh water.
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