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A combustion waste heat utilization heat exchange device with a diversion structure

A heat exchange device and waste heat technology, applied in indirect heat exchangers, heat exchanger types, heat exchanger shells, etc., can solve the problems of poor high temperature resistance, low heat exchange efficiency, and large footprint, and improve reliability. The effect of improving heat exchange efficiency and increasing heat exchange intensity

Inactive Publication Date: 2019-03-15
CHINA NORTH VEHICLE RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to solve the problems of low heat exchange efficiency, large weight, large occupied volume, and poor high temperature resistance of existing waste heat utilization heat exchange devices, and propose a compact structure, high temperature resistance, high power density, and high heat exchange efficiency. heat exchange device

Method used

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  • A combustion waste heat utilization heat exchange device with a diversion structure
  • A combustion waste heat utilization heat exchange device with a diversion structure
  • A combustion waste heat utilization heat exchange device with a diversion structure

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Embodiment Construction

[0049] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0050] In this article, if there is no special explanation, when it comes to formulas, " / " means division, and "×" and "*" mean multiplication.

[0051] Such as Figure 1-6 The shown exhaust gas waste heat utilization heat exchange device includes a heat exchange core 1, a front support 2 of the heat exchange core, and a rear support 3 of the heat exchange core. The heat exchange core 1, the front support 2 and the The rear support body 3 is arranged in the exhaust gas flue 12. The heat exchange core 1 includes an upper cover plate 36, a lower cover plate 40 and a plurality of heat exchange tubes, and the heat exchange tubes are connected through the upper cover plate 36 and the lower cover plate 40. , the front support body 2 and the rear support body 3 are respectively located at both ends of the heat exchange core body 1, and together ...

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Abstract

The invention provides a heat exchange device capable of realizing combustion waste heat utilization. The heat exchange device comprises a heat exchange core and a casing; the heat exchange core is arranged in the casing; an upper header and a lower header are formed by the space between the heat exchange core and the casing; the casing comprises an upper casing and a lower casing; the upper casing comprises an upper casing front frame type baffle and an upper casing back frame type baffle which adopt identical structures; semi-circular holes penetrating through baffles are formed in middle areas of the upper parts of upper baffles; the upper baffle of the front frame type baffle is transversely placed at the front end of the heat exchange body upper casing and the front end of the heat exchange core and is fixed on the inner side of the heat exchange body upper casing; and side baffles of the front frame type baffle are located at the back part of the upper baffle of the front frame type baffle as well as the left side and the right side of the heat exchange core. With the heat exchange device, the baffles and flow guide plates are arranged on the heat exchange body upper casing and the heat exchange body lower casing, so that the thermal load of the heat exchange core is reduced while the heat exchange temperature difference is increased.

Description

technical field [0001] The invention belongs to the field of heat exchange, and in particular relates to a shell-and-tube heat exchange device for waste heat utilization. Background technique [0002] In the past ten years, due to the shortage of energy sources, with the further development of energy conservation work. A variety of new, energy-saving and advanced furnace types are becoming more and more perfect, and the use of high-quality insulation materials such as new refractory fibers has significantly reduced the heat dissipation loss of the furnace. The advanced combustion device is used to strengthen the combustion, reduce the amount of incomplete combustion, and the air-fuel ratio tends to be reasonable. However, the technology of reducing the heat loss of flue gas and recovering the waste heat of flue gas is still not progressing fast. In order to further improve the thermal efficiency of the kiln and achieve the purpose of saving energy and reducing consumption,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28D7/16F28F9/24F28F1/02
CPCF28D7/16F28F1/02F28F9/24
Inventor 吕志鸿王东杰刘海涛胡煦东靳雁松贾川贾大鹏李源浩
Owner CHINA NORTH VEHICLE RES INST
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