High Efficiency Inclined Tube Sedimentation Tank
High-efficiency inclined tube sedimentation tank is a collection, high-speed clarifier which adopts inclined tube sedimentation and sludge circulation.
Send InquiryThe working principle of High efficiency inclined tube sedimentation tank is based on the following five aspects:
The original conceptual integrated flocculation reaction tank.
The slow transmission from the push-flow reaction tank to the sedimentation tank.
External recycling system of sludge.
Inclined tube precipitation mechanism.
Using synthetic flocculant + polymer coagulant.
Product Features
RL high-efficiency sedimentation tank is one of the most widely used high-efficiency sedimentation tanks. The cement mixture flows into the lower part of the inclined tube of the clarification tank, and the sludge is separated from the water in the sedimentation area under the inclined tube. At this time, the sediment is hindered by precipitation; of. Therefore, the entire sedimentation process in the same structure takes place in two stages: deep obstruction sedimentation and shallow inclined tube sedimentation. Among them, hindering the separation process of the sedimentation zone is the basis for the calculation of the geometric dimensions of the clarifier. The ascending flow rate in the tank depends on the area covered by the inclined tube area (ascending flow rate 23m / h).
The efficient sedimentation tank includes five important factors:
Homogeneous flocs and high-density alum flowers
Due to the fast sedimentation speed (15 and 40m / h), the intensive design is adopted
Efficiently complete sludge concentration
The quality of the effluent after precipitation is high, generally within 10NTU.
It has strong anti-shock load capacity and is not easily changed by sudden shock load changes.
The high-efficiency sedimentation tank can work under the condition that the flow velocity fluctuation range is large. It consists of three main parts: a "reaction tank", a "pre-settling tank-concentration tank" and a "inclined tube separation tank"
Main design parameters of high-efficiency sedimentation tank:
Total flow (m3 / d)
Unit flow (m3 / hr
Unit size of reaction tank (m)
Unit size of pre-sinking tank / concentrating tank (m)
Unit size of inclined pipe separation area (m)
Unit area (m2): total area. Inclined pipe area
Flow rate (m3 / m2 / hr)
The information received from the on-site PLC system from the two sludge interface detectors and the scraping torque switch of each high-density clarifier can be used to control the operation of the sludge pump and the operation of the scraper.
Two turbidity meters (one for each unit) installed downstream of the high-efficiency sedimentation tank are used to monitor the turbidity of the clarified water and feed back their signals to the control PLC system in the coagulation reaction zone. In order to adjust the dosage of coagulant and coagulant in time.
High-efficiency sedimentation tanks occupy a small area, save civil engineering investment, have strong impact load resistance, have wide applicability, and high efficiency. Therefore, they will have wide application prospects in the water treatment industry.
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