Multifunctional natural gas heater

The utility model discloses a multifunctional natural gas heater which receives a pressure sensing signal, a temperature sensing signal and a flow signal and flexibly switches an electric heating mode or a circulating hot water heating mode. The device comprises a heater cylinder, a controller, an explosion-proof electric heater, a natural gas inlet pipeline, a natural gas outlet pipeline, a circulating hot water supply pipeline, a circulating hot water return pipeline, a pressure signal collector, a temperature sensing signal collector, a flow signal collector and the like. According to the pressure drop, the temperature and the natural gas flow signal value, the electric heating mode or the circulating type hot water heating mode is flexibly switched, stable, safe and reasonable process heat consumption is guaranteed, and the effects of rapid heating, high efficiency and energy saving are achieved. 本实用新型公开了一种多功能天然气加热器，该加热器接收压力传感信号、温度传感信号、流量信号，灵活切换电加热或循环热水加热方式，其包括：加热器筒体、控制器、防爆型电加热器、天然气进口管道、天然气出口管道、循环热水供水管道、循