Preposed tracing heat ammonia absorption device of ammonia desulfurization flue gas emission monitoring analysis mechanism

The utility model discloses a preposed tracing heat ammonia absorption device of an ammonia desulfurization flue gas emission monitoring analysis mechanism and relates to a flue gas monitoring technology. The device comprises a flue gas sampling probe output pipe and a flue gas analysis mechanism input pipe and is characterized in that the flue gas sampling probe output pipe is communicated with an airflow input pipe of the heat tracing ammonia absorption device, and an airflow output pipe of the heat tracing ammonia absorption device is communicated with an input pipe of the flue gas analysis mechanism; an airflow input pipe is arranged on a cylinder cover of a cylindrical body of the heat tracing ammonia absorption device, and an airflow output pipe, a liquid inlet pipe which is communicated with a liquid inlet valve and a liquid discharging pipe which is communicated with a liquid discharging valve are arranged on the side wall of the cylindrical body; the upper liquid level of a phosphoric acid solution c