The Effects of Impeller Diameter | Sepro Mixing

Not having the right impeller diameter is a common cause of agitator failure. In our latest video, we put 3 different impeller diameters to the test to see which is best at successfully suspending solids!
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[@alanbax3017]

A very interesting demonstration. I would like to see what happens when the oversize impeller is operated in the opposite direction. i.e. Up-flow, rather than down-flow

[@kpcgkhn]

Distances of impellers from bottom must be considered

[@aurorabacciolo6453]

Hydrofoil are not so sensitive to that

[@henrychen5961]

Why are they placed with different distance to the floor? I mean, if you shuv number 1 down at the same level as number 4, wouldnt that affect the results dramatically?

[@aurorabacciolo6453]

No because hydrofoil is slightly affected by the clearance

[@eduardoangel3152]

Could you explain how did you get the power draw? Speed x Diameter, ejm. 73mm x 1070 rpm = 3.71 W ?

[@aurorabacciolo6453]

You can calculate P as power number(for hydrofoil is 0.3)*rotational speed^3*diameter^5*density of fluid

[@Polymershik]

Thank you for very useful video! But what's about liquid emulsions? Or about solid particles that are less dense, than water medium?

[@shanu6478]

Yess I have the same doubt ! The density of the liquid being handled could have been a parameter to determine this ratio as well .

[@aurorabacciolo6453]

For liquid emulsions and foam use a sawtooth (Cowles type)

[@honglinhpham4502]

Thí nghiệm này sai, khoảng cách từ cánh khuấy tới đáy bể phải giống nhau thì chúng ta mới có thể so sánh. Ở bình thứ 3 và 4, khoảng cách là quá xa. Trong các thiết kế bồn chuyên nghiệp, tỉ lệ là 0.3. Với tỉ lệ 0.4 chúng ta sẽ phải chọn Motor gấp 5 lần công suất.

[@shanu6478]

Sir what about the density of liquid? Doesn't it affect the ratio as well ?

[@akshaykalange6111]

There is a large impeller spacing from reactor bottom..

[@MahmoudSuhail]

Bless you

[@yazhengli4310]

what is DT ratio?

[@shanmuganandam674]

Oh god. How beautiful is this.

[@EunhyukieLoveELF]

i love u i have been finding a solution for an hour straight

[@rikyjulianto893]

wow thanks! from Indonesia

[@Pgan803]

Whats the effects if Tank is a Square Plan Shape (Instead of Circular)

[@SeproMineralSystems]

Fillets of material will build up in the corners. Circular tanks are preferred when possible.

[@homocapensis7854]

Excelente ,mil gracias .

[@danielmarquez8060]

👌🔥🔥🔥🔥

[@immanuelputhut1354]

what is reduction ratio?

[@itzikroland2213]

What kind of suspensions do you use?

[@skunkjobb]

I'm sure the liquid is just water and the particles are plastic only slightly heavier than water. For a similar demonstration, I bought plastic pearls that are sold in toy shops.