Typical Case:

Background: In a chemical plant's production process, accurate measurement and control of gas flow are required to ensure the stability of the reaction process and product quality.

Application of Thermal Mass Flow Meter: A thermal mass flow meter is installed in the gas pipeline as a flow measurement device.

Principle of Operation: When gas flows through the sensor of the thermal mass flow meter, it carries away heat from the sensor, causing the sensor temperature to decrease. The flow meter maintains sensor temperature by providing constant electrical power and calculates the mass flow rate of the fluid based on the required energy.

Flow Control Process:

1. Real-Time Monitoring: The thermal mass flow meter provides real-time flow measurement data, and the monitoring system can instantly obtain gas flow information.

2. Feedback Control: The monitoring system analyzes real-time flow data and adjusts the valve opening based on the set flow target value. If the flow deviates from the target value, the control system sends a signal to the control valve to adjust its opening to regulate gas flow.

3. Advantages:

• High Accuracy: Thermal mass flow meters have high measurement accuracy, providing accurate flow data to maintain process stability.

• Fast Response: Thermal mass flow meters have a fast response time, capturing flow changes promptly for adjustment, facilitating rapid process control.

• Versatility: Thermal mass flow meters are suitable for measuring the flow of various gases, making them applicable to different industrial production scenarios.

• No Pressure or Temperature Compensation Required: Unlike traditional volumetric flow meters, thermal mass flow meters do not require pressure and temperature compensation for fluids, simplifying installation, usage, and reducing maintenance costs.

This case demonstrates the advanced nature of thermal mass flow meter technology and its advantages in flow control in industrial production processes, providing a reliable solution for flow measurement and control in industrial production.

Shaanxi Qianyi Tuoda Technology Co., Ltd. www.sxqytd.com Tel：+8618829679311

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