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A shell-and-tube heat exchanger for steam generation

A heat exchanger, steam technology, applied in indirect heat exchangers, heat exchanger types, tubular elements, etc., to achieve stable flow, avoid uneven segmentation, and uniform segmentation

Active Publication Date: 2020-06-26
国网山东省电力公司聊城供电公司 +2
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a new heat exchange tube heat exchanger, thereby solving the technical problems arising above

Method used

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  • A shell-and-tube heat exchanger for steam generation
  • A shell-and-tube heat exchanger for steam generation
  • A shell-and-tube heat exchanger for steam generation

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Embodiment Construction

[0039] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0040] In this article, if there is no special explanation, when it comes to formulas, " / " means division, and "×" and "*" mean multiplication.

[0041] A shell-and-tube heat exchanger that produces steam, such as figure 1 As shown, the heat exchanger includes an upper header 8 and a lower header 9 and a heat exchange tube 1 arranged between the upper and lower headers 8 and 9 . The heat exchanger includes an inlet pipe 3 and an outlet pipe 4, the inlet pipe 3 is arranged on the lower header, and the outlet pipe is arranged on the upper header, the heat exchanger includes a heat source inlet 6 and a heat source outlet 7, and the heat source is from The heat source inlet 6 enters, exchanges heat with the fluid in the heat exchange tube 1 , and then flows out from the heat source outlet 7 , the fluid in the heat exchange tube 1 is heated to...

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Abstract

The invention provides a shell and tube heat exchanger generating steam. The heat exchanger comprises an upper collecting tube, a lower collecting tube and heat exchange tubes arranged between the upper collecting tube and the lower collecting tube. The heat exchanger comprises an inlet tube and an outlet tube. The inlet tube is arranged on the lower collecting tube. The outlet tube is arranged onthe upper collecting tube. The heat exchanger comprises a heat source inlet and a heat source outlet. A heat source enters the shell and tube heat exchanger from the heat source inlet, exchanges heatwith fluid in the heat exchange tubes and then flows out from the heat source outlet. The fluid in the heat exchange tubes is heated into steam, and the steam flows out from the outlet tube. Partition devices are arranged in the heat exchange tubes. According to the shell and tube heat exchanger of the new type partition structure, when steam-liquid two-phase flowing exits in the heat exchange tubes, heat conduction is enhanced, and meanwhile vibration of the heat exchange tubes is weakened and the noise level is reduced.

Description

technical field [0001] The invention relates to a heat exchanger, in particular to a shell-and-tube heat exchanger. Background technique [0002] Vapor-liquid two-phase flow heat exchange widely exists in various heat exchange devices. Due to the existence of the vapor phase in the heat exchange process of vapor-liquid two-phase flow, the heat exchange efficiency will be low, the heat exchange will be deteriorated, and the fluid flow process will be unstable. , and will lead to the occurrence of water hammer phenomenon. When the gas-liquid phase of the two-phase working fluid is not uniformly mixed and flows discontinuously, the large-sized liquid mass will occupy the air mass space at high speed, resulting in unstable two-phase flow, which will violently impact equipment and pipelines, resulting in strong vibration and noise , which seriously threatens the safety of equipment operation. [0003] The inventor also designed a variety of heat exchanger devices to solve the a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28D7/16F28F1/02
Inventor 张国庆焦敏许吉凯张海静魏晓蔚靳印涵鞠文杰许冬琪牛蔚然汪东军张惠智韩小岗马俊迪张冠敏张毅邱燕王效嘉江程李言伟
Owner 国网山东省电力公司聊城供电公司
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