inclined tube settling tank

Introduction:
The inclined tube sedimentation tank refers to a sedimentation tank with inclined tubes installed in the sedimentation area. There are two types of assembly forms: inclined pipes and branch pipes. In the sedimentation zone of a horizontal or vertical sedimentation tank, inclined parallel pipes or pipelines (sometimes honeycomb packing can be used) are used to divide into a series of shallow sedimentation layers. The treated and settled sediment moves and separates from each other in the shallow sedimentation layers. According to their mutual motion directions, they can be divided into three different separation methods: reverse (opposite) flow, same direction flow, and lateral flow.
Every two parallel inclined plates (or inside parallel pipes) is equivalent to a very shallow sedimentation tank.

Its advantages are:
① By utilizing the principle of laminar flow, the processing capacity of the sedimentation tank has been improved;
② Shortened the settling distance of particles, thereby shortening the settling time;
③ The sedimentation area of the sedimentation tank has been increased, thereby improving the treatment efficiency.
The flow rate of this type of sedimentation tank can reach 36m3/(m2 · h), which is 7-10 times higher than the processing capacity of general sedimentation tanks. It is a new and efficient sedimentation equipment. And it has been finalized for production practice.

Advantages:
High removal rate, short residence time, and small footprint.

Principles of Shallow Pool Theory:
Assuming the length of the inclined tube sedimentation tank is L, the horizontal flow velocity in the tank is V, and the particle settling velocity is u0, under ideal conditions, L/H=V/ u0。 When the values of L and V remain constant, the shallower the pool body, the smaller the suspended particles that can be removed. If a horizontal partition is used to divide H into 3 layers, with each layer having a depth of H/3, under the condition of constant u0 and v, only L/3 is needed to remove the particles of u0. That is to say, the total volume can be reduced to one-third of its original size. If the pool length remains unchanged and the pool depth is H/3, the horizontal flow velocity can still be increased by 3V to remove particles with a settling velocity of u0, which increases the processing capacity by three times. Simultaneously dividing the sedimentation tank into n layers can increase the processing capacity by n times.

Equipment parameters: