Boiler tail flue gas waste heat recovery device

• Main Authors: FENG MEI, ZHAO DONG, XUE DONGFU, JI XIANGKUN
• Format: Patent
• Language: Chinese; English
• Published: 25.10.2019
• Subjects: BLASTING; COMBUSTION APPARATUS; COMBUSTION PROCESSES; FLUES; FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEATGENERATING MEANS, IN GENERAL; HEATING; LIGHTING; MECHANICAL ENGINEERING; METHODS OF STEAM GENERATION; RANGES; REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTIONRESIDUES; STEAM BOILERS; STEAM GENERATION; VENTILATING; WEAPONS

A boiler tail flue gas waste heat recovery device belongs to the technical field of boiler equipment and is used for recovering boiler tail flue gas waste heat. The technical scheme is as follows: themethod comprises the following steps: preparing; the water tank is positioned on one side of the boiler bottom; the heat recoverer is mounted on one side above the boiler; the lower end of the waterinjection pipe is connected with the water tank; the upper end of the water injection pipe is connected with the bottom of the heat recoverer; the water pump is mounted at the joint of the water tankand the water injection pipe; one end of the water outlet pipe is connected with the upper part of the heat recoverer; the other end of the water outlet pipe is communicated with the boiler; a smoke exhaust pipeline of the boiler is connected with the bottom of the heat recoverer, a heat recoverer smoke exhaust pipe is arranged at the top of the heat recoverer, a smoke heat exchange pipe is arranged in an inner cavity of th