Seasonal high turbidity raw water processing technology

Abstract

The invention discloses a seasonal high-turbidity raw water treatment process. Raw water enters a settling pond for sedimentation after entering a pre-sedimentation, concentration and reuse pond for pre-sedimentation; after the water obtained through sedimentation enters a filter pond to be filtered and enters a clean water pond to be regulated and stored, the water is pumped into a municipal pipe network after being pressurized through a secondary pump house; sludge discharged out of the pre-sedimentation, concentration and reuse pond is received into a balance pond to be stored; the discharge sludge enters a dewater room to be dewatered, and dry sludge obtained through dewatering is transported outwards to be processed, and filter liquor is drained into a concentration mass-energy conversion pond. The process can adapt to different raw water situations and can meet different running requirements; the sludge discharge and water treatment process and the dewatering process are combined together; meanwhile, the process adapts to the seasonal high-turbidity and general low-turbidity working condition, secondary processing is conducted on concentration pond supernatant and dewatering filter liquor which are prone to exceeding the emission standard in the industrial wastewater concentration and dewatering process through the concentration mass-energy conversion pond, the occupied area is saved by highly using the processing capacity of buildings, and the effects of discharging water, obtained in the water purification process, in an up-to-standard mode and converting organic matter in industrial wastewater into biological energy sources to be further recycled are achieved.

Description

[0001] The present invention is a divisional application of the invention application "seasonal high turbidity raw water treatment process" with the filing date of July 30, 2014 and the application number of 201410368768.4. technical field [0002] The invention relates to a treatment process for dealing with seasonal high turbidity raw water involved in water supply and drainage projects, in particular a combined treatment process applied to a waterworks for taking seasonal high turbidity raw water. For the high turbidity raw water that occurs seasonally, the raw water pre-sedimentation and sludge concentration treatment are combined to achieve the quality of the effluent water from the water plant under different working conditions of high and low turbidity of the raw water, and at the same time realize the concentration, dehydration and quality of the production sludge. Transformable optimized combined treatment process. Background technique [0003] The influent water of...

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Problems solved by technology

The main disadvantage of the above-mentioned technology is that when the raw water of the waterworks shows continuous low turbidity after the high turbidity water passes, the pre-sedimentation process cannot play a role in the treatment process, and the discharge time of production wastewater is generally concentrated, and the treatment structure occupies a relatively small area. Large, high operating costs, concentrated supernatant and dehydrated filtrate are often difficult to meet discharge standards, and a large amount of organic matter has become a burden on the environment as pollutants, which has become a technical problem in the treatment of seasonal high turbidity raw water

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