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Horizontal heat exchanger

A heat exchanger, horizontal technology, used in indirect heat exchangers, heat exchanger types, heat exchanger shells, etc., can solve problems such as mixing and tube length, and achieve the effect of preventing influence

Active Publication Date: 2022-03-29
HUAIYIN INSTITUTE OF TECHNOLOGY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Purpose of the invention: Aiming at the problems existing in the prior art, the present invention provides a horizontal heat exchanger. Under the condition that the shell side remains unchanged, the tube side becomes significantly longer, and the heat exchange effect is significantly improved. Problems with mixing of shell-side and tube-side fluids due to leaks

Method used

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  • Horizontal heat exchanger
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0024] This embodiment provides a horizontal heat exchanger, such as Figure 1~3 As shown, it mainly includes shell 1, tube array 2, two shell side tube plates 21, tube side inlet tube plate 16, tube side outlet tube plate 32, tube side inlet shell 23, tube side outlet shell 29, tube side A side inlet 18 and a tube side outlet 24; the shell 1 is horizontally arranged, and the left end of the shell 1 is connected to a tube side inlet shell 23 and a tube side outlet shell 29 arranged in parallel, and the two shell side tube sheets 21 respectively pass through the shell The flange 4 and the shell head flange 5 are clamped in the middle and vertically arranged on both sides of the shell 1, and the upper and lower sides of the shell flange 4 and the shell head flange 5 are respectively fixed by fixing bolts 8 and The nut 9 is fixed, and in order to increase the sealing performance between the shell-side tube plate 21 and the tubes 2, a sealing gasket 10 can be added between the fix...

Embodiment approach 2

[0029] This embodiment is a further improvement of Embodiment 1. The main improvement is that in Embodiment 1, after the condensed water enters the shell 1 from the shell-side inlet 11 of the shell 1, it first touches the tubes 2 at the bottom Then contact the column tube 2 on the top, which will cause the cooling time of the hot water cup in the column tube 2 at the bottom to be longer, and the cooling time of the hot water cup in the column tube 2 on the top is shorter. The hot water flows out from the tube side inlet 18 to the tube side outlet 24 in a U-shape. The above method will result in a good heat exchange effect of the hot water in the bottom tube array 2 and a poor heat exchange effect in the top tube tube 2 . In this embodiment, however, the above defects can be effectively avoided.

[0030] Specifically, in this embodiment, between the two shell-side tube plates 21 in the shell 1, a number of baffles 3 at equal intervals, parallel to each other and staggered are a...

Embodiment approach 3

[0033] This embodiment is a further improvement of Embodiment 2. The main improvement is that, in Embodiment 2, a shell-side Leakage outlet 13, if there is liquid leakage in the shell 1 on the right side of the right side shell side tube plate 21 due to the leakage of the right side shell side tube plate 21, then the leakage will not be able to be discharged. However, the above-mentioned problems can be effectively solved in the present embodiment.

[0034] Specifically, in the horizontal heat exchanger in this embodiment, the shell side leakage outlet 13 is also opened at the bottom of the shell 1 on the right side of the right side shell side tube plate 21. If the right side shell side tube plate 21 The leakage of the right side shell side tube plate 21 causes liquid leakage in the shell 1 on the right side, then the leakage liquid can be discharged from the side shell side leakage liquid outlet 13.

[0035] Apart from this, this embodiment is completely the same as Embodim...

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Abstract

The invention relates to the field of heat exchangers, and discloses a horizontal heat exchanger. The tube side inlet tube plate and the tube side outlet tube plate are respectively vertically arranged in the tube side inlet shell and the tube side outlet shell; two shell side tubes The plates are arranged vertically on both sides of the shell, and the two ends of the main part of the tube array are set in the shell through the support of two shell-side tube plates. The inlet and outlet of the tube array pass through the tube-side inlet tube plate and the tube-side outlet tube plate respectively. The support is set in the tube inlet shell and the tube outlet shell; the bottom of the tube inlet shell between the tube inlet tube sheet and the shell side tube sheet, and the bottom of the tube pass outlet tube sheet and the shell side tube sheet Tube side leakage outlets are provided at the bottom of the tube side outlet shell; shell side leakage outlets are provided at the bottom of the shell between the shell side tube plate and the tube side leakage outlet. Under the condition that the shell side remains unchanged, the tube side of the device becomes longer, the heat exchange effect is significantly improved, and the mixing of the shell side liquid and the tube side liquid caused by the leakage of the tube sheet is prevented.

Description

technical field [0001] The invention relates to the field of heat exchangers, in particular to a horizontal heat exchanger. Background technique [0002] The tube-side distance of the existing tube-and-tube heat exchanger is equal to the shell-side distance. Since the axial length of the shell is limited by the size of the installation space, it should not be too long, that is, the shell-side distance is short, which directly leads to the short tube-side distance. The short tube distance will lead to short heat exchange time and poor heat exchange effect; in addition, if the seal between the tube and tube sheet is not good, it will cause the liquid in the tube and / or shell to leak, while the existing column In the tube heat exchanger, since the entire tubes are located inside the shell, if the liquid in the tubes and the shell leaks, the liquid between the tube side and the shell side will mix, and the properties of the liquid in the tubes and the shell are different. , Aft...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F28D7/06F28F9/12
CPCF28D7/06F28F9/12
Inventor 冯清付江振飞汤鹏黄梓庭金伟进李伯奎王在良许兆美王玲齐正
Owner HUAIYIN INSTITUTE OF TECHNOLOGY