Heating network heater

The embodiment of the utility model provides a heater for a heat supply network, and relates to the technical field of heat supply networks. The heating network heater comprises a heater assembly and a gas pushing pipe expanding assembly, a bottom bearing frame is arranged at one end of the heater assembly, a two-way gas supply assembly is arranged at the top of the bottom bearing frame, a fixed pipe fitting is inserted into the inlet end of a pipe bundle heat exchange part and pushed inwards, and a gas supply pump body can inject gas into an inner pushing gas injection pipe fitting at regular time; the scale removing pipe fitting is driven to move towards the interior of the pipe bundle heat exchange part through auxiliary impact force, the scale removing pipe fitting is conveniently pushed to a certain position, then gas is injected into the rolling pipe fitting and the scale removing pipe fitting through the gas supply pump, the gas is made to drive the scale removing scraping pieces to expand outwards til