Boiler system capable of recycling heat energy cleanly and efficiently

Abstract

The invention discloses a boiler system capable of recycling heat energy cleanly and efficiently. The boiler system comprises a combustor, a boiler body, an energy saver, an air preheater, a condenser, a chimney, a fan and a water tank; a flue gas outlet of the boiler body is connected with the energy saver, a gas side outlet of the energy saver is connected with the air preheater, a gas side outlet of the air preheater is connected with the condenser, a gas side outlet of the condenser is connected with the chimney, the chimney discharges the flue gas to the atmosphere, and the air preheateris a gas-gas heat exchange device. The condenser is a gas-liquid heat exchanger, the gas side of the condenser is a flue gas flow channel, the liquid side of the condenser is a heat exchange pipelineand is connected to the water tank through the pipeline and a circulating pump, and the energy saver and the condenser are both of a finned tube structure.

Description

technical field [0001] The invention relates to the field of boilers, and mainly relates to a clean and efficient boiler system for recovering and utilizing heat energy. Background technique [0002] With the continuous acceleration of my country's industrialization process and the continuous increase of my country's energy consumption, energy conservation and environmental protection have become a long-term strategy for my country's economic construction and social development. It is the task of everyone in the society to implement the concept of green development, build a clean, low-carbon, safe and efficient energy system, promote comprehensive resource conservation, and reduce energy consumption and material consumption. [0003] The factors affecting the efficiency of oil and gas boilers are smoke exhaust loss, chemical incomplete combustion loss, mechanical incomplete combustion loss, ash physical heat loss, cooling water heat loss and boiler heat dissipation loss. ra...

AI Technical Summary

Problems solved by technology

The structure of the condensing boiler system is that the deoxygenated water is heated by the economizer and then enters the boiler body, and the condenser circulates separately to replenish the water for the deaerator. This kind of boiler system can improve the thermal efficiency to a certain extent, but it is difficult to reduce the exhaust gas temperature on the actual site. Below the dew point temperature of the flue gas, the latent heat of vaporization of the water vapor in the flue gas is not fully utilized, and there is still a lot of room for improvement in the utilization of heat energy

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