Normal-pressure hot water heating system

Abstract

The invention discloses a normal-pressure hot water heating system, which comprises a combustor and a normal-pressure heater, a flue of the normal-pressure heater is separated by a horizontal clapboard to form horizontal gas fume passages which are vertically parallel and have baffling function, the horizontal gas fume passages are separated by a vertical clapboard to form vertical gas fume passages which are horizontally parallel and have baffling function, and the vertical clapboard is provided with a heat-exchange tube array and internally provided with a vertical heat exchange cavity communicated with the bottom of a normal-pressure water tank. By adopting gas fume running directions with baffling both in an horizontal direction and a vertical direction and utilizing the up and down circulation of water per se, on the premise of not increasing the volume of the heater, the invention can reduce exhaust emission temperature, improve the thermal efficiency of a heat exchange part, reduce the fuel consumption on the premise of same hot water output quantity and save energy source; because the combustion efficiency and the heat exchange efficiency are higher, the emission of harmful gases, such as carbon dioxide and the like, are greatly reduced; and meanwhile, due to the baffling type flues, dust is directly kept at the bottom of the flues and prevented from being directly exhausted to the atmosphere, which is beneficial to environmental protection.

Description

technical field [0001] The invention relates to a hot water heating system, in particular to a normal pressure hot water heating system. Background technique [0002] A boiler is a mechanical device that uses the thermal energy of fuel or other energy sources to heat water into hot water or steam. The hot water or steam generated in the boiler can directly provide the heat energy needed for industrial production and people's life; the boiler that provides hot water is called a hot water boiler, which is mainly used for life, and also has a small amount of applications in industrial production; the boiler that generates steam is called a hot water boiler. for steam boilers. [0003] For the north with a long heating cycle, boilers are indispensable equipment for urban life; hot water boilers are widely used in people's lives due to their low pressure and high safety factor; the demand for hot water in industrial production, Also provided by hot water boilers. [0004] The ...

AI Technical Summary

Problems solved by technology

However, the heat exchange part of existing boilers generally uses water heating, which is sent to the user through power machinery, cooled and then returned to the heating body after use, and the heat exchange efficiency is not high; The temperature at the outlet is generally above 150°C. The heat exchange efficiency of the boiler is low, which reduces the utilization rate of fuel, which is not conducive to energy saving; at the same time, the existing hot water boiler starts slowly, which increases fuel consumption; and the combustion efficiency of fuel is not good High, increasing the emission of harmful gas and dust, which is not conducive to environmental protection

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