Flue gas heat extractor
A heat collector and flue gas technology, which is applied in the direction of heat exchanger shell, indirect heat exchanger, heat exchange equipment, etc., can solve the problem that the heat exchange efficiency is difficult to be further improved, and achieve the effect of improving the heat exchange capacity.
Pending Publication Date: 2020-09-22
FUJIAN LONGKING
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Problems solved by technology
However, the heat exchange efficiency of this scheme is difficult to further improve
Method used
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[0035] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0036] Please refer to Figure 1-2 , figure 1 It is a structural schematic diagram of a specific embodiment of the flue gas heat collector provided by the present invention; figure 2 for figure 1 top view of image 3 for figure 1 The enlarged picture of part A in the middle; Figure 4 for figure 1 A schematic diagram of a heat exchange tube assembly 303 .
[0037] Such as figure 1 As mentioned above, the flue gas heat collector includes a shell 102 and an inlet smoke box 101 and an outlet smoke box 103 located at both ends of the shell 102 . At least one of the inlet smoke box 101 , the casing 102 and the outlet smoke box 103 can be provided with a dust cleaning unit 20 to clean up the deposition of particles in ...
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The invention discloses a flue gas heat extractor. The flue gas heat extractor comprises a heat exchange module; the heat exchange module comprises multiple rows of heat exchange tube assemblies; a row of the heat exchange tube assemblies comprises a plurality of heat exchange tube assemblies arranged in sequence along a first direction; each heat exchange tube assembly comprises a heat tube and an outer sleeve; a part of each heat pipe is inserted into the corresponding outer sleeve; both ends of each outer sleeve are hermetically connected to the heat tubes; cooling water can circulate between the inner walls of the outer sleeves and the outer walls of the corresponding heat tubes; and in each row of the heat exchange tube assemblies, a plurality of the outer sleeves are alternately connected up and down in the first direction. The heat exchange module in the flue gas heat extractor comprises the multiple rows of heat exchange tube assemblies, and the outer sleeves of each row of heat exchange tube assemblies are alternately connected up and down, so that each row of heat exchange tube assemblies can form a serpentine labyrinth flow channel, and the cooling water in the outer sleeves of the adjacent heat exchange tube assemblies flows in the opposite direction, thereby effectively improving the heat exchange capacity.
Description
technical field [0001] The invention relates to the technical field of heat exchange, in particular to a flue gas heat collector. Background technique [0002] Low-temperature electrostatic precipitator technology has been widely promoted and applied in the ultra-low emission transformation of coal-fired units and newly-built units in my country in recent years. As a specific flue gas heat exchanger, low-temperature economizer can not only realize the The effective recovery and utilization of gas waste heat, and the arrangement in front of the electrostatic precipitator can also effectively improve the dust removal efficiency and realize the collaborative capture of sulfur trioxide in the flue gas. It is a flue gas heat extraction, energy saving and environmental protection technology that is very in line with national policies. [0003] At present, there is a heat pipe flue gas desuperheater. The heat pipe flue gas desuperheater includes a shell, and a plurality of vacuum he...
Claims
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IPC IPC(8): F28D21/00F28D15/02F28F1/00F28F9/00F28F27/00F28F9/22
CPCF28D15/02F28D21/001F28F1/00F28F9/005F28F9/22F28F27/00
Inventor 廖增安钟志良谢庆亮林玉冬黄举福许一凡
Owner FUJIAN LONGKING