A kind of multistage graphite heat exchanger and method
A technology of graphite heat exchanger and graphite, which is applied in the direction of indirect heat exchanger, heat exchanger type, heat exchanger sealing device, etc., can solve the problem of life discount of graphite heat exchanger, limited temperature difference of heat exchange fluid on both sides, Graphite heat exchange material is easy to damage and other problems, to achieve ideal heat exchange effect, improve energy utilization rate, and facilitate production and production
Active Publication Date: 2021-09-21
NANTONG SUNSHINE GRAPHITE EQUIP TECH
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Problems solved by technology
However, graphite has the defects of brittleness, low bending and tensile strength. The traditional graphite heat exchanger cannot fully overcome the above defects of graphite, which makes the graphite heat exchange material extremely easy to damage, resulting in a long service life of the graphite heat exchanger. discount; moreover, the traditional graphite heat exchanger has a certain limitation on the temperature difference of the heat exchange fluid on both sides, which fails to make full use of the existing energy at the equipment site, resulting in a certain waste
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[0018] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0019] Such as figure 1 A multi-stage graphite heat exchanger shown includes an outer shell 15 and an inner shell 16, the outer shell 15 surrounds the inner shell 16 and forms a sealed space between the outer shell 15 and the inner shell 16, and the inner shell 15 Both the top and the bottom of the shell 16 are extended and exposed from the outer shell 15; the interior of the inner shell 16 is provided with a graphite heat exchange block, and there are multiple graphite heat exchange blocks, and multiple graphite heat exchange blocks are stacked in the inner shell 16 inside, thus forming a multi-stage flow channel, making the heat exchange of the fluid more stable and sufficient.
[0020] The graphite heat exchange block is provided with an axial channel and a radial channel; the axial channel forms a cavity 1 4, the radial channel a...
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The invention discloses a multi-stage graphite heat exchanger and a method thereof. The device includes an outer shell and an inner shell. A graphite heat exchange block is arranged inside the inner shell. The axial channel of the graphite heat exchange block forms a cavity. The radial channel and the inner space of the inner shell together form the second cavity, and the sealed space between the outer shell and the inner shell forms the third cavity; the second cavity is provided with a flow limiting ring, and the third cavity is provided with a spiral plate. The method is as follows: the fluid 2 in the cavity 2 exchanges heat with the fluid 1 in the cavity 1, and the fluid 3 in the cavity 3 performs heat exchange with the fluid 2 in the cavity 2 again. The device has a simple structure, has multiple cavities, has high working efficiency, good heat exchange effect and long service life. The method is simple to operate and suitable for large-scale popularization and application.
Description
technical field [0001] The invention relates to a heat exchanger and a method, in particular to a multistage graphite heat exchanger and a method. Background technique [0002] A heat exchanger is a device that transfers part of the heat of a hot fluid to a cold fluid, also known as a heat exchanger, and plays an important role in chemical, petroleum, power, food and many other industrial productions. Among them, graphite heat exchangers are widely used due to their advantages of good corrosion resistance, no fouling on the heat transfer surface, and good heat transfer performance. However, graphite has the defects of brittleness, low bending and tensile strength. The traditional graphite heat exchanger cannot fully overcome the above defects of graphite, which makes the graphite heat exchange material extremely easy to damage, resulting in a long service life of the graphite heat exchanger. discount; moreover, the traditional graphite heat exchanger has a certain limitatio...
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IPC IPC(8): F28D7/08F28F21/02F28F11/00
CPCF28D7/08F28F11/00F28F21/02
Inventor 蔡远航管永康戴尚权章钱狄阳
Owner NANTONG SUNSHINE GRAPHITE EQUIP TECH