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Problems and solutions in raw meal homogenization stock

Problems and solutions in raw meal homogenization stock

  • Categories:Company News
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  • Time of issue:2021-05-14
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(Summary description)Raw meal homogenization inventory is the problem and the solution. Φ15mIBAU type raw meal homogenization silo is relatively harsh at the bottom of the silo, and the inspectors lack the necessary inspection knowledge. Managers and console administrators only pay attention to its feeding function and neglect its homogenization function, so that they cannot The maintenance inspection is only carried out when the regular feed is measured, and the function of the homogenization library cannot be fully mobilized.

Problems and solutions in raw meal homogenization stock

(Summary description)Raw meal homogenization inventory is the problem and the solution.

Φ15mIBAU type raw meal homogenization silo is relatively harsh at the bottom of the silo, and the inspectors lack the necessary inspection knowledge. Managers and console administrators only pay attention to its feeding function and neglect its homogenization function, so that they cannot The maintenance inspection is only carried out when the regular feed is measured, and the function of the homogenization library cannot be fully mobilized.

  • Categories:Company News
  • Author:
  • Origin:
  • Time of issue:2021-05-14
  • Views:
Information

  

Raw meal homogenization inventory is the problem and the solution.

Φ15mIBAU type raw meal homogenization silo is relatively harsh at the bottom of the silo, and the inspectors lack the necessary inspection knowledge. Managers and console administrators only pay attention to its feeding function and neglect its homogenization function, so that they cannot The maintenance inspection is only carried out when the regular feed is measured, and the function of the homogenization library cannot be fully mobilized.

 

Problems and solutions in raw meal homogenization stock

 

  

Problems with homogenizers:

The pressure of the 4208 fan fluctuates greatly with the change of zones. When it runs to the second and fifth zones, the pressure is 45kPa, and when it runs to the first, fourth and third and sixth zones, the pressure drops to 25kPa, but at this time, the weight of the measuring bin is basically stable. Since March 2013, the pressure of the fan has gradually decreased, so that the weight of the measuring bin has dropped a lot and it is difficult to maintain normal production. No looseness is found in the inspection of the V-belt, and the rotor clearance is also within the normal range, so it is forced to use 4209b backup Roots. fan. On March 5th, when the fan frequency was 35Hz, the pressure was as high as 75kPa when the fan was running to the second and fifth zones (the fan was overloaded and often tripped), and the pressure dropped to 30kPa when the fan was running to the first, fourth and third and sixth zones. The measurement warehouse starts to fluctuate (when running to the second and fifth zones, the central control display of the electric flow control valve at the bottom of the warehouse is fully open, and the warehouse is still falling, that is, the material level does not rise but falls; when it runs to other areas, the warehouse increases and the warehouse is heavy. After more than 38t, the central control of the electric flow control valve for unloading at the bottom of the silo is fully closed but the warehouse is still increasing), when the 38t is set, the warehouse weight fluctuates from 20t to 45t (full warehouse 45t), causing the flushing plate flowmeter to fluctuate from 155t/h To 200t/h (set to 180t/h), it has a great influence on the calcination of the kiln. Occasionally, the overflow phenomenon of warehouse overflow occurs, which not only increases the labor intensity of employees, but also causes pollution to the environment.

Homogenization library treatment measures:

Adjust the homogenization parameters

The inflation time for each zone has been extended from 10 minutes to 20 minutes. Because the aeration time is too short, the raw material layer cut in each area will become thinner, the number of cutting layers is small, and the effect of uniform gravity is not obvious.

In order to increase the air supply pressure of the Roots fan, when the first, fourth, third and sixth zones are replaced, the pressure of the Roots fan will be controlled at 49kpa.

Always keep the height of the material in the silo not lower than its minimum allowable value (1 times the diameter of the homogenizing silo) to give full play to the gravity mixing effect of the homogenizing silo, and from time to time, it will be greatly reduced and increased within a certain period of time. The height of the material surface in the silo, thereby reducing the possibility of the raw material at the silo wall being damp and clumping or sticking to the wall, ensuring the homogenization effect.

 

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