Cyclone separating device
A cyclone separator and solid separation technology, which is applied to cyclone devices, devices whose axial directions of cyclones can be reversed, etc., can solve the problems of aggravating boiler ash collection, waste of energy, and high catalyst concentration, so as to save renovation costs, Easy installation and piping, good anti-wear performance
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[0034] The three-rotor dust exhaust system of a fluidized catalytic cracking unit in a petrochemical plant needs to add a four-rotor with a diameter of 800 mm for the separation, recovery and discharge of spent catalyst fine powder. The effective space from the bottom of the three-rotation to the top of the middle fine powder tank is 1.8 meters, the operating temperature is 550~600°C, and the curved cone four-rotation is used. According to the size of the plane space that can be used for the four-rotation, there are two piping layout schemes, see Figure 4 and Figure 5 :
[0035] Figure 5 It is a big bend pipe system scheme, and the pipes will occupy more places and spaces. The calculation and layout of the thermal expansion stress of the pipe system are more troublesome, but the service life is long and the operation is safe. The four-rotation system can be safely operated for more than 10 years. It can be used when the four-rotation plane has a large space.
[0036] ...
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