Full-premixing heat exchanger, heat exchange structure and flow guide pipe
A technology of heat exchange structure and guide tube, applied in water heaters, fluid heaters, burners, etc., can solve problems such as material fatigue, shortened service life, and high temperature in the combustion chamber, so as to avoid material fatigue and local high temperature , the effect of prolonging the service life
Pending Publication Date: 2021-06-01
GUANGDONG WANHE THERMAL ENERGY TECH CO LTD
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Problems solved by technology
The traditional heat exchange structure cannot uniformly cool the bottom wall of the combustion chamber during the heat exchange process, resulting in localized high temperature on the bottom wall of the combustion chamber, which leads to material fatigue and shortens the service life
Method used
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[0043] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.
[0044] In describing the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counter...
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The invention relates to a full-premixing heat exchanger, a heat exchange structure and a flow guide pipe. When water in a heat exchange cavity flows towards a partition plate at the top from bottom to top, at least two water inlet holes in a pipe body are distributed in the position close to a water outlet hole and the position away from the water outlet hole correspondingly, so that water in the circumferential direction of the partition plate can uniformly enter a flow guide cavity through the water inlet holes, and the water entering the flow guide cavity finally flows out of a water outlet of the shell through the water outlet hole. The water in contact with the partition plate can uniformly flow into the flow guide cavity, namely, the water in contact with the partition plate can uniformly flow, so that the partition plate can be uniformly cooled, the problem of local high temperature caused by non-uniform flow is avoided, material fatigue is avoided, and the service life of the partition plate is prolonged.
Description
technical field [0001] The invention relates to the technical field of heat exchange devices, in particular to a full premix heat exchanger, a heat exchange structure and a draft tube. Background technique [0002] The fully premixed heat exchanger adopts the fully premixed combustion method. By fully premixing the air and gas before being sent to the combustion chamber for combustion, and performing fully stable combustion in the combustion chamber, the combustion efficiency is improved, and Effectively reduce the emission of harmful substances such as nitrogen oxides. Among them, the heat exchange structure of the full premixed heat exchanger is used to complete the heat exchange between high-temperature flue gas and water, so as to obtain hot water. The traditional heat exchange structure cannot uniformly cool the bottom wall of the combustion chamber during the heat exchange process, resulting in localized high temperature on the bottom wall of the combustion chamber, w...
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IPC IPC(8): F24H1/12F24H9/18F23D14/02F23D14/62
CPCF24H1/124F24H9/1836F23D14/02F23D14/62
Inventor 卢楚鹏张锦梁余浩伦龚文添谢立苗
Owner GUANGDONG WANHE THERMAL ENERGY TECH CO LTD