SFM Test (Solid Flow Monitor Test) in fluid bed dryer (FBD)

What is SFM test in Fluid bed Dryer (FBD)?

A solid flow monitor (SFM) is an instrument used to measure the flow rate of solids in a fluid bed dryer (FBD) system. In the case of a fluid bed dryer, an SFM can be used to measure the flow rate of the drying material as it moves through the dryer.

  • To conduct an SFM test in a fluid bed dryer, user will need to install the SFM in the system.
  • The SFM should be installed in such a way that it can measure the flow rate of the material as it moves through the dryer.
  • Once the SFM is installed, user can begin the test by starting the fluid bed dryer and allowing the material to flow through the dryer.
  • The SFM will measure the flow rate of the material and provide data on the amount of material passing through the system at any given time.

 Detailed steps to perform an SFM test in a fluid bed dryer:

  1. Install the SFM: The SFM should be installed in a suitable location within the fluid bed dryer system. The installation location should be carefully selected to ensure that the SFM can accurately measure the flow rate of the drying material.
  2. Calibrate the SFM: Before conducting the SFM test, it is essential to calibrate the SFM to ensure accurate measurements. The calibration process will vary depending on the SFM model, so it is important to follow the manufacturer’s instructions carefully. Calibration usually involves setting the SFM to the appropriate sensitivity and ensuring that it is correctly zeroed.
  3. Start the fluid bed dryer: Start the fluid bed dryer and begin feeding the material to be dried into the system. The SFM will measure the flow rate of the material as it moves through the dryer.
  4. Record the SFM data: Monitor the SFM during the test and record the data. The SFM will provide data on the flow rate of the material, which can be used to optimize the dryer’s performance and improve the quality of the dried product.
  5. Analyze the data: Once the SFM test is complete, the data can be analyzed to gain insights into the drying process. The data can be used to optimize the dryer’s performance and improve the quality of the dried product.
  6. Troubleshoot any issues: If the SFM data indicates any issues with the drying process, it is essential to troubleshoot and address these issues promptly. This will help ensure that the dryer is functioning correctly and that the dried product meets the desired specifications.

Overall, an SFM test can be a valuable tool for optimizing the performance of a fluid bed dryer and improving the quality of the dried product. By following these steps and taking care to properly install, calibrate, and monitor the SFM, you can obtain accurate and useful data to inform your drying process.

SFM Test- Schematic diagram of SEM setup Credit@Research gate

What is the other name of SFM Test ?

  • Solid flow monitor -SFM test may also be referred to as a solids flow meter or a solid flow sensor. These terms can be used interchangeably to refer to instruments that measure the flow rate of solids in a system.

More to read:

You cannot copy content of this page