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Multi-effect double-spiral folded plate heat exchanger

A heat exchanger and double helix technology, applied in the field of multi-effect double helix folded plate heat exchangers, can solve the problems affecting the working efficiency of the heat exchanger, the material cannot achieve cooling or heating effect, etc., and achieve stable and uniform discharge effect, The effect of sufficient contact and high heat transfer efficiency

Active Publication Date: 2015-02-04
JINGJIANG SHENJU VESSEL MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The heat exchangers currently on the market generally improve the working efficiency of the heat exchanger by increasing the transmission distance of the fluid in the heat exchanger and enlarging the contact area between the two fluids. Therefore, most of the heat exchanger shells are There are multiple material transmission pipelines, which greatly increase the residence time of materials in the heat exchanger shell, but due to the limitation of the volume of the heat exchanger shell itself, more material transmission pipelines occupy a large amount of cooling or heating medium There is heat convection between two adjacent material transmission pipes, which leads to the failure of the material at the outlet end of the heat exchanger to achieve the ideal cooling or heating effect, thereby affecting the working efficiency of the overall heat exchanger

Method used

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  • Multi-effect double-spiral folded plate heat exchanger
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Examples

Experimental program
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Effect test

Embodiment 1

[0017] Example 1: Such as figure 1 and 2 A multi-effect double-helical folded plate heat exchanger is shown, the heat exchanger is a cylindrical shell 1, and the shell 1 is provided with four partitions 2 to separate the shell 1 into three Two heat exchange areas: a sealed heat exchange area 3, a convection heat exchange area 4 and a spray heat exchange area 5. The housing 1 is provided with a material transfer system and a heat exchange system. The material transfer system It consists of two helical pipelines 6 symmetrically installed in the housing 1, the inlet 8 of the helical pipeline 6 is set in the spray heat exchange area 5, and the outlet 9 is set in the sealed heat exchange area 3. The heat exchange system is composed of medium transmission pipelines, the liquid inlet 10 of the medium transmission pipeline is set in the sealed heat exchange area 3 , and the liquid outlet 12 is set in the spray heat exchange area 5 .

Embodiment 2

[0018] Example 2: Such as figure 1 and 2 As shown, the side of the sealed heat exchange area 3 of the present invention is provided with a header 7, and the two spiral pipelines 6 are connected to the outlet 9 through the header 7; Concentrating the materials in the two spiral pipelines 6 to the discharge port 9 for discharge ensures the stable and uniform discharge effect of the heat exchanger and prevents the different heat transfer effects caused by the two spiral pipelines 6 at different positions. This leads to different discharge temperatures.

Embodiment 3

[0019] Example 3: Such as figure 1 and 2 As shown, the spiral pipeline 6 of the present invention is coiled on the inner wall of the housing 1; through the spiral pipeline 6 coiled on the inner wall of the housing 1, the maximum transmission of the spiral pipeline 6 in the housing 1 is ensured At the same time, there is no material transmission pipeline in other positions in the shell 1, which ensures sufficient heat transfer space for the cooling or heating medium in the shell 1.

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Abstract

The invention discloses a multi-effect double-spiral folded plate heat exchanger. Four separation plates are arranged in a casing of the heat exchanger for separating the casing into three heat exchange regions including a sealed heat exchange region, a convection type heat exchange region and a spraying type heat exchange region, a material transmission system and a heat exchange system are arranged in the casing, the material transmission system consists of two spiral pipelines symmetrically arranged in the casing, and the heat exchange system consists of a medium transmission pipeline. The multi-effect double-spiral folded plate heat exchanger has the advantages that through two spiral pipelines wound on the inner wall of the casing, the transmission path of materials in the casing is maximized under the condition of not influencing the normal volume of heat transfer mediums in the casing, the three heat exchange regions in the casing are matched, the materials at different temperature ranges are respectively subjected to heat transfer in three different contact modes, and the temperature uniformity of material discharging and the temperature stability of materials at a material discharging opening are ensured.

Description

technical field [0001] The invention relates to energy exchange equipment in the industrial production process, in particular to a multi-effect double-helix folded plate heat exchanger with high heat exchange efficiency. Background technique [0002] A heat exchanger is a device used to transfer heat from a hot fluid to a cold fluid to meet the specified process requirements. It is an industrial application of convective heat transfer and heat conduction. It is widely used in chemical, petroleum, power, food and other industries. many industrial sectors. The heat exchanger is mainly a contact heat exchange, which ensures the heat exchange efficiency of the device through sufficient contact between fluids or gases of different temperatures. [0003] Heat exchangers currently on the market generally improve the working efficiency of the heat exchanger by increasing the transmission distance of the fluid in the heat exchanger and enlarging the contact area between the two flui...

Claims

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Application Information

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IPC IPC(8): F28D7/02F28D3/02
Inventor 贾其庚
Owner JINGJIANG SHENJU VESSEL MFG
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