An LNG vaporizer is a device that converts liquefied natural gas (LNG) into natural gas (NG). LNG requires a low temperature state during storage and transportation, but it needs to be heated to normal temperature state before use. It is mainly composed of two parts: evaporator and heater, and is widely used in city gas, industrial gas and other fields.
The control system mainly includes the following aspects:
1. System monitoring: Through real-time monitoring of liquid gas flow, temperature, pressure, liquid level and other parameters, the stable operation of the LNG vaporizer is guaranteed.
2. Control valve: During the vaporization process, the inlet and outlet valves need to be controlled to realize the adjustment of the vaporization rate and the stability of the LNG pressure.
3. Temperature control: adjust the vaporization rate and outlet temperature of LNG by controlling the heating power of the water bath or heater.
4. Automatic protection: When abnormal conditions such as over-temperature, over-pressure, and low liquid level occur, the control system will automatically cut off heating and feeding to protect the equipment.
5. Remote control: through the remote monitoring and control system, the remote control and management of the LNG vaporizer can be realized.
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