With the increase of industrial water consumption, large-flow filter elements have become more and more important. In order to monitor the operation and condition of the filter element, we need to calculate the flow drop rate, pressure drop rise rate and temperature rise rate.

1. Calculate the flow drop rate

1) Record the initial flow rate Q0 (L/min) when the filter element starts in use.

2) Record the current flow rate Qi of the filter element regularly (every 1 month or 3 months).

3) Calculate the flow decrease Q= Q0-Qi

4) Calculate the flow drop rate r= Q / t, where t is the recorded flow time interval (months).

Take this as the benchmark, timely monitor whether the filter element is blocked.

2. Calculate the rate of pressure fall

1) Record the initial pressure P0 (psi) when starting water use

2) Record the pressure Pi of the current filter element regularly

3) Calculate the pressure drop amount P = Pi-P0

4) Calculate the pressure drop rate s = P / t, where t is the two recording time intervals (months)

The severity of the blockage is judged by the pressure drop rate.

3. Calculate the rate of temperature rise

Record the starting temperature T0 (C) when the filter element is started

Record the current temperature of the filter element Ti

3) Calculate the temperature increase amount T= Ti-T0

4) Calculate the temperature rise rate r= T / t, where t is the two recording time intervals (months)

Keep see if the temperature rise rate is outside the normal range.

The above three rates were calculated in a similar way, with the main difference being in the different recorded parameters.

Taking these three rates as a reference, it can identify the blockage and aging of the filter element faster, and take corresponding measures in time to effectively extend the service life of the filter element.

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