Boiler heat heating device

Abstract

The invention relates to the technical field of boilers, and discloses a boiler heat heating device which comprises a compressor. A supporting base is fixedly connected to the lower surface of the compressor, a condensation guide pipe is arranged on the front face of the compressor, the output end of the compressor is fixedly connected with the condensation guide pipe, the right side of the condensation guide pipe communicates with a heating device body, and an evaporation guide pipe is arranged below the heating device body. According to the boiler heat heating device, heat in a smoke exhaustsleeve is absorbed and stored through the compressor, a first evaporation device and a second evaporation device, lost heat in boiler smoke is recycled, direct losses of heat in the using process ofa boiler are reduced, and then through cooperation of an electronic expansion valve and the heating device body, the heat stored in the device is guided to the heating device body to heat an object tobe heated, so that the heat of the boiler is utilized, the heat loss of heat conduction is reduced, and the utilization rate of the heat of the boiler is ensured.

Description

technical field [0001] The invention relates to the technical field of boilers, in particular to a heating device utilizing boiler heat. Background technique [0002] The difference between the total heat released by the complete combustion of fuel in the boiler and the heat used by the boiler. Including the heat carried away by the flue gas discharged from the boiler, the heat lost by the furnace body to the surrounding air, the heat not released by the fuel without burning or incomplete combustion, and the physical heat carried away by the ash, etc. The heat taken away by the exhaust gas is the largest item in the heat loss of the boiler, about 4 to 8%. The main factors affecting this loss are the flue gas volume and the exhaust gas temperature. The large volume of flue gas exhausts smoke If the temperature is high, the heat loss of the exhaust smoke will be large. At present, the temperature of the flue gas discharged from the boiler is high. In order to use the heat of ...

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Problems solved by technology

Including the heat carried away by the flue gas discharged from the boiler, the heat lost by the furnace body to the surrounding air, the heat not released by the fuel without burning or incomplete combustion, and the physical heat carried away by the ash, etc. The heat taken away by the exhaust gas is the largest item in the heat loss of the boiler, about 4 to 8%. The main factors affecting this loss are the flue gas volume and the exhaust gas temperature. The large volume of flue gas exhausts smoke If the temperature is high, the heat loss of the exhaust smoke will be large. At present, the temperature of the flue gas discharged from the boiler is high. In order to use the heat of the exhaust smoke, most of the boilers are equipped with cooling water heaters or air heaters. The temperature of water or air can be increased for other purposes, and the waste heat of flue gas can be effectively used to reduce environmental pollution. However, the existing air preheating devices on the market have relatively low utilization rate of flue gas. Low

[0003] For example, the Chinese Patent Publication No. CN202328332U discloses an air preheating device that makes full use of the boiler exhaust heat. The thermal air preheating device includes a cylinder, the upper end of the cylinder is provided with a flue gas inlet, the lower end of the cylinder is provided with a flue gas outlet, the cylinder is equipped with a heat exchange tube, and one side of the cylinder is respectively equipped with an inlet The air box and the air outlet box, the air inlet box is connected with the air inlet, the air outlet box is provided with the air outlet, and the other side of the cylinder is provided with an intermediate box, the cylinder and the heat exchange tube are made of carbon steel or stainless steel As a result, the air preheating device that makes full use of the exhaust heat of the boiler uses one-way heat conduction to recover the heat of the flue gas. According to the second law of thermodynamics, the temperature of the flue gas limits the collection and utilization of heat, which affects the efficiency of the flue gas. Utilization of

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