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A microchannel heat exchange device that enhances the mixing of two microfluids

A technology of mixing channels and fluid channels, which is applied in the field of heat exchangers, can solve problems such as difficult operation and complex structure, and achieve the effects of promoting uniform heat transfer, optimizing wedge-shaped structure, and saving materials and costs

Active Publication Date: 2022-04-15
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the active mixing device requires an additional control system, which is more complicated in structure and more difficult to operate

Method used

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  • A microchannel heat exchange device that enhances the mixing of two microfluids
  • A microchannel heat exchange device that enhances the mixing of two microfluids
  • A microchannel heat exchange device that enhances the mixing of two microfluids

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Embodiment Construction

[0028] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0029] figure 1 Disclosed is a microchannel heat exchange device for enhancing the mixing of two microfluids. like figure 1 As shown, the device includes a first fluid channel 1, a second fluid channel 2 and a mixing channel 3; the outlets of the first fluid channel 1 and the second fluid channel 2 are connected to the inlet of the mixing channel 3, and the first fluid channel 1. The second fluid channel 2 is arranged obliquely to the mixing channel 3, and a plurality of wedge-shaped structures 4-7 are arranged on the inner wall of the mixing channel 3, and the extending direction of the wedge-shaped structures is opposite to the fluid flow direction. certainly, figure 1 The four wedge-shaped structures are only schematically shown in the figure, and are not limited to figure 1 in the quantity.

[0030] Because the micro-mixer channel...

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Abstract

The invention provides a microchannel heat exchange device for strengthening the mixing of two microfluids, the device comprises a first fluid channel, a second fluid channel and a mixing channel; the outlets of the first fluid channel and the second fluid channel are connected to The inlet of the mixing channel is connected, the first fluid channel, the second fluid channel and the mixing channel are arranged obliquely, and a plurality of wedge-shaped structures are arranged on the inner wall of the mixing channel. In the present invention, a plurality of opposing deflectors are arranged in the flue distributor to realize the uniform temperature of the flue gas at the outlet of the distributor, so as to meet the need for further heat exchange and improve the service life of the product.

Description

technical field [0001] The invention relates to the field of heat exchangers, in particular to a heat exchange device for directly mixing and exchanging two fluids, and in particular to a microchannel heat exchange device. Background technique [0002] Microchannel heat exchanger is a new type of high-efficiency heat exchanger, which has the advantages of high heat transfer efficiency, small size, light weight, and less charge, and has been widely used in various fields. In 1981, Tuckerman and Pease proposed the concept of a microchannel radiator; in 1985, Swife, Migliori and Wheatley developed a microchannel heat exchanger for two-fluid heat exchange. With the development of micro-manufacturing technology, people have been able to manufacture micro-scale heat exchangers composed of channels with a hydraulic diameter of 10-1 000 μm. In 1986, Cross and Ramshaw developed a micro-sized heat exchanger with a volumetric heat transfer coefficient of 7MW / (m 3 K); in 1994, the mic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28C3/00F28F13/12
CPCF28C3/00F28F13/125F28F2250/102
Inventor 李雪芳陈琦
Owner SHANDONG UNIV
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