Boiler energy-saving renovation: I don’t know where the waste heat recovery unit is connected

Recycling is more energy-efficient. Boilers that use industrial fuel, gas, or coal have an efficiency of around 70%, and among the wasted heat, the heat contained in the flue gases accounts for the largest portion. Normally, the flue gas temperature in hot water and steam boilers is above 200 degrees, while that in heat transfer oil boilers ranges from 270 to 350 degrees. Such high temperatures not only pollute the environment but also result in significant fuel waste and increased production costs. The recovery of waste heat from flue gas makes use of new types of heat exchange fins and elements, enabling more efficient heat exchange; as a result, the flue gas temperature can be reduced to 40°C–80°C℃ ； Boiler efficiency can be increased by 6–15%, and the condensate drainage system enables full recovery of the latent heat in flue gases, resulting in significant energy savings.

Sustainable profit generation: For industrial plants, the demand for hot water, hot air, and steam is very important. In terms of daily life: hot water for dormitories, canteens, and bathhouses, as well as heating in office areas and living areas (in northern regions) ； In terms of processes: maintaining a constant temperature in the workshop, heating for cleaning, heating for the drying lines (rooms), as well as water supply for boilers and the heat required by the central air conditioning system. Energy-saving renovation for waste heat recovery in boilers: On one hand, the temperature of the hot water generated is generally between 50°C and 80°C, which is sufficient to meet the heating needs of factory operations and daily activities. The hot water is delivered continuously and stably to the points of use, in sufficient quantities at regular intervals. On the other hand, discontinuing the original cooling system for the boiler’s flue gas exhaust improves the operating conditions of the boiler, indirectly extending its service life and reducing the substantial costs associated with its maintenance and operation. For example, a 3T flue gas energy saver can produce approximately 3,000 kg of hot water per hour. It requires 80 kg of water to heat 1 square meter of area; thus, it can heat 37.5 square meters in one hour. The cost of heating 1 square meter in the market ranges from 15 yuan to 40 yuan per square meter. Calculating at 20 yuan per square meter per day, and assuming the equipment operates for 300 days per year, the annual profit from this equipment amounts to 225,000 yuan. The payback period for the investment in this equipment is short, it generates economic benefits over the long term, and its maintenance costs are low. Therefore, the recovery of waste heat from boilers to generate hot water free of charge helps factories eliminate inefficient heating methods, make more efficient use of energy, reduce energy consumption costs, and maximize energy-saving benefits. Improve employee quality of life and production workshop processes to continuously generate greater profits for the company.

The energy-saving benefits are even more significant. Waste heat recovery systems for things such as flue gas and waste heat are widely used in industries including chemicals, petrochemicals, building materials, light textiles, metallurgy, power generation, food processing, papermaking, and electronics, helping these industries achieve continuous energy savings and having earned widespread recognition. Boiler economizer

Waste heat recovery systems such as those for flue gas and waste heat are widely used in industries such as chemicals, petrochemicals, building materials, light textiles, metallurgy, power generation, food processing, papermaking, electronics, and electrical appliances, helping these industries to achieve continuous energy savings

:Taking a hot shower in LOL company’s bathhouse