Spiral wound tube array heat exchanger
A technology of spirally wound tubes and heat exchangers, which is applied in the direction of heat exchanger types, heat exchanger shells, indirect heat exchangers, etc. The effect of cost increase, laminar flow is not easy, and material cost reduction
Active Publication Date: 2016-05-11
HIMILE MECHANICAL MFG
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Problems solved by technology
The spiral wound tube heat exchanger is a multi-layer winding structure of heat exchange tubes. There must be a fixed support structure between them. When the flow area of the shell side is much larger than that of the tube side, it is necessary to increase the layer gap of the heat exchange tube and the tube gap of the same layer, but the increase of the gap leads to two problems. : First, the shell side tends to be laminar flow, which reduces the heat transfer effect; second, the support structure used to maintain the gap becomes larger, and the manufacturing cost becomes higher
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[0036] Below in conjunction with accompanying drawing and embodiment, further elaborate the present invention. In the following detailed description, certain exemplary embodiments of the invention are described by way of illustration only. Needless to say, those skilled in the art would realize that the described embodiments can be modified in various different ways, all without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.
[0037] Such as figure 1 , figure 2 , image 3 and Figure 4 As shown, the helically wound tube array heat exchanger includes a heat exchanger shell 1 for circulating the first heat exchange medium, and the two ends of the heat exchanger shell 1 are respectively provided with shell flanges 2, so The side wall of the heat exchanger shell 1 is provided with two shell connecting pipes 3, the shell connecting pipes 3 are...
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The invention discloses a spiral winding pipe array type heat exchanger which comprises a heat exchanger shell, a shell flange and two shell connection pipes, wherein connection pipe bends which are respectively connected with the two shell connection pipes in a sealing manner are arranged in the heat exchanger shell; the opposite ends of the two connection pipe bends are respectively connected with pipe plates; a heat exchanger pipe core is fixed between the pipe plates; the heat exchanger pipe core comprises one or more spiral pipe ring beams which are sheathed in sequence; each spiral pipe ring beam is provided with a plurality of single-branch spiral pipes; the adjacent single-branch spiral pipes in the spiral pipe ring beams at the same layer are embedded with each other; two ends of the single-branch spiral pipes are respectively arranged on corresponding pipe plates. The spiral winding pipe array type heat exchanger is formed by more dispersed flow channels, so that the fluid perturbation effect is more remarkable and laminar flow is not easy to occur; the adjacent single-branch spiral pipes can be embedded with each other, so that a supporting function is provided, extra supporting members are avoided, and the material cost is reduced.
Description
technical field [0001] The invention relates to the technical field of heat exchangers, in particular to a helically wound tube array heat exchanger. Background technique [0002] The heat exchanger realizes the heat exchange between the medium in the tube side and the shell side through the heat exchange tube. The heat exchangers currently used mainly include tube-and-tube heat exchangers and spiral-wound tube-type heat exchangers, among which the spiral-wound Compared with the shell-and-tube heat exchanger, the tube-structure heat exchanger has a significant effect of disturbing the flow on the tube side and the shell side, so the heat exchange efficiency is greatly improved. The spiral wound tube heat exchanger is a multi-layer winding structure of heat exchange tubes. There must be a fixed support structure between them. When the flow area of the shell side is much larger than that of the tube side, it is necessary to increase the layer gap of the heat exchange tube a...
Claims
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IPC IPC(8): F28D7/02F28F9/02
Inventor 许倍强卢恩明唐立星魏效辉柳胜军
Owner HIMILE MECHANICAL MFG