Exhaust -heat boiler's tuber pipe structure

The utility model discloses an exhaust -heat boiler's tuber pipe structure, including main tuber pipe and soft joint, main tuber pipe is located one side of soft joint, there are a flange and no. Twoflange in the both ends of main tuber pipe fixed mounting respectively, and flange is located one side of no. Two flange, there are no. Three flange and no. Four flange in the both ends of soft jointfixed mounting respectively. An exhaust -heat boiler's tuber pipe structure, be equipped with the phenol -formaldehyde resin layer, dust -collecting box and sealing silica gel pad, can carry out anti-corrosion treatment to the inner wall of main tuber pipe, avoid inside high -temperature gas or have aggressive fume corruption inner wall influencing the tuber pipe use, can filter the dust removalto gas at the ventilation in -process, collect and carry out the centralized processing together, guarantee the clean nature of ventilation, can seal the processing to the connection of tuber pipe, reduce and leak, the normal us