Full -film type wall water fire tube boiler

The utility model relates to a full -film type wall water fire tube boiler, it is including a furnace who adopts all membrane wall structure, and fixed connection is at a combustor of furnace one end, adopts all membrane wall structure's a turn smoke -box, a heat exchanger and a steam pocket, wherein, be provided with an export cigarette window in one side of furnace, export cigarette window, other end connection heat exchanger are connected to the one end of turn smoke -box, are provided with annular collection case respectively in turn smoke -box and the junction that exports cigarette window and heat exchanger, the annular casing that collects case and heat exchanger that the diaphragm type wall water -cooled tube of turn smoke -box was located through the heat exchanger is linked together, the steam pocket is linked together through the annular diaphragm type wall water -cooled tube that collects case and turn smoke -box of export cigarette window department, and simultaneously, the direct diaphragm type