Article on Rapid Mixer Granulator

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 Rapid Mixer Granulator (RMG) is a pharmaceutical machine that is used in the mixing and granulation of wet granules. It is a multi-purpose machine that performs both mixing and granulation functions in a single unit. The RMG is a very efficient machine that is widely used in the pharmaceutical industry due to its high mixing and granulation capabilities.

The following is a diagram of a Rapid Mixer Granulator:



The RMG consists of several key components, including:

1. Mixing Bowl: The mixing bowl is a cylindrical container where the mixing and granulation process takes place. It is made of stainless steel and is designed to withstand high pressure and temperature.

2. Impeller: The impeller is a rotating blade that is located at the bottom of the mixing bowl. It is responsible for mixing the materials by creating a vortex motion in the bowl. The impeller also helps to break down the wet granules into smaller particles during the granulation process.

3. Chopper: The chopper is a high-speed blade that is located above the impeller. It is responsible for cutting the wet granules into smaller particles during the granulation process.

4. Discharge Port: The discharge port is located at the bottom of the mixing bowl and is used to discharge the mixed and granulated materials.

The working principle of the Rapid Mixer Granulator is as follows:

1. The wet granules are loaded into the mixing bowl of the RMG.

2. The impeller rotates at high speed and creates a vortex motion in the bowl, which causes the wet granules to move in a circular motion.

3. The chopper blade cuts the wet granules into smaller particles.

4. During the mixing process, binder solution is added to the wet granules to bind them together.

5. The impeller continues to rotate and mix the wet granules until they are evenly distributed.

6. The granulation process begins when the impeller speed is increased, and the binder solution is added to the mixture.

7. The impeller and chopper work together to break down the wet granules into smaller particles, which are then formed into granules.

8. The granulated material is discharged through the discharge port of the RMG.


In conclusion, the Rapid Mixer Granulator is a vital machine in the pharmaceutical industry for mixing and granulating wet granules. Its high mixing and granulation capabilities make it an efficient and effective machine that is widely used in the pharmaceutical manufacturing process.

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