Sand washing wastewater treatment equipment - Sand washing plant wastewater treatment equipment

Characteristics of sand washing wastewater treatment

1. Large sludge production: Once the sand washing machine is turned on, it can produce a large amount of sewage sludge in a short period of time.

2. Storage difficulties: There is no large capacity sewage tank on site, and direct discharge will pollute the environment. The transportation cost by car is high, and on-site treatment is a good solution; This requires a large single unit processing capacity of the sewage treatment equipment, with sufficient "capacity" to digest the sewage in a timely manner.

3. Easy to separate: The solid phase and liquid phase of sewage have a large weight difference and are easy to separate. Therefore, when designing a sewage centrifuge, a smaller aspect ratio should be taken, and a larger differential speed should be maintained during operation. All parts in contact with sand washing wastewater are made of high-strength wear-resistant hard alloy. The entire process of wastewater separation, dehydration, and dewatering is fully enclosed, clean on site, easy to install, occupies a small area, has low civil engineering costs, is easy to operate and maintain, and has a long normal operation time.

[Scope of use]

1. The removal rates of mixed wastewater containing multiple metal ions, chromium, copper, iron, zinc, nickel, etc. in electroplating wastewater are all above 90%. Generally, electroplating wastewater can meet the discharge standards after treatment.

2. Coal mine and mineral processing wastewater can reduce turbidity from 500-1500 milligrams per liter to 5 milligrams per liter.

3、 印染、漂染等废水色度去除率70-90%，COD去除50-70%。

4. The removal of a large amount of organic matter from wastewater in industries such as leather and food, with a COD removal rate of 50-80% and a solid impurity removal rate of over 90%.

5. The COD removal rate of chemical wastewater is 60-70%, the chromaticity removal rate is 60-90%, and the suspended solids meet the discharge standards.