Multi-tube-bundle heat storage system capable of adjusting pulse heat exchange amount

A heat storage system and heat exchange technology, which is applied to heat storage equipment, indirect heat exchangers, heat exchanger types, etc., can solve the problems of insufficient heat exchange uniformity and low heat exchange, and achieve enhanced heat exchange effects different, less fouling, uniform heat transfer effect

Active Publication Date: 2019-07-09
SHANDONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the heat transfer uniformity of the above-mentioned pulsating tube bundle is not enough, and the amount of heat transfer is also small, so it needs to be improved, and a new structure of pulsating tube bundle and heat storage system should be developed.

Method used

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  • Multi-tube-bundle heat storage system capable of adjusting pulse heat exchange amount
  • Multi-tube-bundle heat storage system capable of adjusting pulse heat exchange amount
  • Multi-tube-bundle heat storage system capable of adjusting pulse heat exchange amount

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0053] figure 1 A pulsating tube bundle with three risers is shown. Such as figure 1 The three standpipe pulsating tube bundles shown include the middle standpipe 14, the left standpipe 161, the right standpipe 162 and the coil pipe 12. Heat pipe 15, the end portion of adjacent heat exchange tube 15 communicates, makes a plurality of heat exchange tubes 15 form a series structure, and makes the end of heat exchange tube 15 form heat exchange tube free end ( figure 1 The position where the load-bearing block is set); the entrance of the middle standpipe 14 is connected with a pulsating flow generating device, which is used to generate a pulsating flow in the heat exchange tube 15, thereby further promoting the vibration of the elastic heat exchange tube bundle to enhance heat transfer and reduce Fouling.

[0054] The coil 12 includes a left coil 121 and a right coil 122, one side of the middle riser 14 is connected to the inlet of the left coil 121, the other side is connect...

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PUM

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Abstract

The invention provides a pulse tube bundle heat storage system. The pulse tube bundle heat storage system comprises a heat storage tank, a pulse generation device and pulse tube bundles, wherein the pulse tube bundles are arranged in the heat storage tank and are connected with the pulse generation device; an inlet pipeline of the pulse generation device is connected with inlets of the pulse tubebundles; outlets of the pulse tube bundles are connected with the pulse generation device through an outlet pipeline; a plurality of pulse tube bundles are arranged; the pulse tube bundle heat storagesystem is characterized by further comprising a controller; the controller is used for detecting heat exchange amount of each pulse tube bundle, then calculating average heat exchange amount of the plurality of pulse tube bundles, and automatically adjusting pulse flow amount of each pulse tube bundle according to the average heat exchange amount. The pulse tube bundle heat storage system has a new structure; the pulse amount of single pulse tube bundle is automatically controlled, so that the heat exchange amount is controlled, and the overall heat exchange reaches uniform heat exchange.

Description

technical field [0001] The invention relates to the technical field of heat exchangers, in particular to a pulsating tube bundle and a molten salt heat storage tank thereof. Background technique [0002] Shell-and-tube heat exchangers are widely used in energy, power, petrochemical and other industrial fields. The enhanced heat transfer technology of heat exchangers is of great significance to energy saving and consumption reduction. Among them, passive enhanced heat transfer technology is an important research direction at present because it does not require external high-quality energy input to achieve the purpose of enhanced heat transfer. [0003] The use of fluid-induced vibration of heat transfer elements to achieve enhanced heat transfer is a form of passive enhanced heat transfer, which can transform the strict prevention of fluid vibration induction in the heat exchanger into the effective use of vibration, so that the transmission elements can operate at low flow r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D20/00F28F27/00
CPCF28D20/0034F28D2020/0047F28F27/02Y02E60/14
Inventor 杜文静陈岩
Owner SHANDONG UNIV
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