Efficient energy-saving gas boiler

Abstract

The invention discloses an efficient energy-saving gas boiler. The efficient energy-saving gas boiler comprises a gas stove and a smoke outlet pipeline which is connected with the gas stove; an amplification type electricity generating mechanism is disposed on the smoke outlet pipeline; the gas stove comprises a combustion stove body and an afterheat stove body which are connected with each other;a first heating pipeline and a second heating pipeline are mounted on the inner surfaces of the side walls of the combustion stove body and the afterheat stove body in a sleeved mode correspondingly;a first water inlet pipe of the second heating pipeline is connected with a water inlet valve; a first water outlet pipe of the second heating pipeline is connected with a second water inlet pipe ofthe first heating pipeline through a water pipe; and meanwhile a second water outlet pipe of the first heating pipeline is connected with a hot water outlet pipeline. The boiler is provided with the combustion stove body and the afterheat stove body; water is pre-heated through afterheat in the afterheat stove body, then the heated water is re-heated through the combustion stove body, and the purpose of heating the water to the same water temperature under the condition of using a smaller amount of gas can be achieved.

Description

technical field [0001] The invention belongs to the field of gas boilers and relates to a high-efficiency and energy-saving gas boiler. Background technique [0002] The gas-fired boilers in the prior art, especially the gas-fired boilers used to supply heat to community users, generally increase the gas consumption in order to reach a certain temperature during the combustion process, which wastes energy, and the waste heat after combustion of the gas cannot be rationally utilized. The flue gas with heat is directly discharged into the atmosphere, resulting in a waste of energy. Contents of the invention [0003] The purpose of the present invention is to provide a high-efficiency energy-saving gas boiler, which is equipped with a combustion furnace and a waste heat furnace, and the water is preliminarily heated by the waste heat in the waste heat furnace, and then the heated water is reheated through the combustion furnace. The purpose of heating to the same water tempe...

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Problems solved by technology

[0004] In the boiler of the present invention, the heating tube is designed to be spirally coiled in the combustion furnace and the waste heat furnace, so that the contact area between the heating tube and the hot air can be increased to achieve the purpose of rapidly increasing the water temperature, and the problem of using a large amount of gas to achieve a certain water temperature is solved. the problem of energy waste;

[0005] The boiler of the present invention is equipped with an amplified power generation mechanism. By strengthening the cooperation between the wind wheel and the gear speed-up mechanism, the purpose of fast power generation of the power generation mechanism is realized, which not only solves the problem of energy waste caused by the direct discharge of traditional smoke, but also solves the problem of transmission heat The problem of low power generation efficiency caused by directly using the generator for power generation during the power generation process

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