Manufacturing method of heater system for blowing duct entrance

1. The utility model belongs to the technical field of boiler equipment, and specifically relates to a heater system at the entrance of a blast duct.

Background technique:

2. Industrial boiler products are divided into two types: steam or coal. In order to ensure the water quality of the steam boiler, continuous blowdown of the boiler is required. The temperature of the blowdown is the same as the saturated water temperature of the boiler. The blowdown consumes about 1% of the total energy. The direct discharge of this part of the sewage will not only cause heat consumption, but also cause pollution to the environment. Therefore, various waste heat recovery devices have appeared. The existing industrial boiler wastewater waste heat recovery device has a complicated structure and poor heat exchange effect, and cannot timely utilize the heat carried by the wastewater in time, which is likely to cause heat waste.

3. For this reason, we propose a blast duct entrance heater system to solve the above problems.

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