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2017-12-07 13:36:08
(If it is the first time to insert the battery, it will prompt "Toomany pac file"; 3) If you can not find the pac file, this time need to wait for 30S time, then hold down the dial and power button). 【Precautions】 1) During the upgrade process, if the power fails or fails, repeat the upgrade; 3.Pac end of the file name); 2) When inserting the battery. Upgrade method is divided into two kinds: 1) When the battery is not inserted , Will start the T card upgrade; 2) If there are multiple pac files in the bl_update directory (upgrade package is packaged into T card, press and hold the dial key, and then insert the battery, hold down the dial key and power button to try SD card upgrade bar [upgrade steps] 1. SD card formatted or deleted files in the SD card; 2. SD card, create a new folder named "bl_update", copy the pac file into the folder bl_update
Production of liquid polyaluminium chloride belongs to chemical Miao Wai. Aluminum chloride is colorless and transparent crystals or white and light yellow crys
After entering the eyes inside the polyaluminum chloride, should be quickly rinsed with water, and then diluted with a weak alkaline solution soda washing
Shandong Zouping liquid poly aluminum content of more than 10, ex-factory price of 300, 15318207862.
And the pH of the raw water, can achieve good flocculation effect, changes in organic matter, etc. Alumina content is a measure of the effective component of PA
High temperature will speed up the dissolution of polyaluminum chloride, but the temperature is too high will make the effect worse, rich water purification mat