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Anti-scaling multiple shell pass assembled heat exchanger

A multi-shell-side, assembled technology, applied to indirect heat exchangers, heat exchanger types, heat exchanger shells, etc., can solve problems such as low heat exchange efficiency, increased number of shell passes, and easy fouling of heat exchangers , to achieve the effect of improving heat transfer efficiency, increasing the fluid flow rate in the tube side, and reducing the chance of fouling in the tube side

Inactive Publication Date: 2017-05-24
张炳辰
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide an anti-fouling multi-shell-side assembled heat exchanger, specifically an anti-fouling multi-shell-side assembled heat exchanger using spiral baffles. The heat exchange units are connected in series to increase the number of shell passes and simultaneously increase the flow rate of the tube and shell passes to solve the problems of easy fouling and low heat exchange efficiency of traditional heat exchangers

Method used

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  • Anti-scaling multiple shell pass assembled heat exchanger
  • Anti-scaling multiple shell pass assembled heat exchanger
  • Anti-scaling multiple shell pass assembled heat exchanger

Examples

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Effect test

Embodiment 1

[0026] Such as Figure 1-3 As shown, the anti-fouling multi-shell assembled heat exchanger is customized for the electric desalination device of an oil refinery. The cold side of the heat exchanger is the normal temperature purified water entering the device, and the hot side is the high-temperature saline sewage exiting the device. According to the calculation of the technical parameters of the electric desalination device, the heat exchanger is composed of four heat exchange units connected in series to form an assembled heat exchanger with four tube sides and four shell sides.

[0027] The multi-shell side spiral plate combined anti-scaling heat exchanger includes a base 1, a bracket 2, a 1# heat exchange unit 3, a 2# heat exchange unit 4, a 3# heat exchange unit 5, and a 4# heat exchange unit 6 and internal connecting pipes, the base 1 is fixed on the ground; the bracket 2 is installed on the base 1 to support the heat exchange units 3, 4, 5, 6; the heat exchange units 3, ...

Embodiment 2

[0031] Such as Figure 4 As shown, the multi-shell-pass spiral plate combined anti-scaling heat exchanger is customized for the sewage stripping unit of an oil refinery. The cold side of the heat exchanger is the raw water, and the hot side is the purified water of the delivery device. According to the calculation of the technical parameters of the sewage stripping device, the heat exchanger is composed of six heat exchange units connected in series to form an assembled heat exchanger with six tube passes and six shell passes.

[0032] The multi-shell side spiral plate combined anti-scaling heat exchanger includes a base 1, a bracket 2, a 1# heat exchange unit 3, a 2# heat exchange unit 4, a 3# heat exchange unit 5, and a 4# heat exchange unit 6 , 5# heat exchange unit 15, 6# heat exchange unit 16, and internal connecting pipes. The base 1 is fixed on the ground; the support 2 is installed on the base 1 , and the heat exchange units 3 , 4 , 5 , 6 , 15 , 16 are fixed on the su...

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Abstract

The invention relates to an anti-scaling multiple shell pass assembled heat exchanger. The anti-scaling multiple shell pas assembled heat exchanger comprises a base, a bracket and a plurality of heat exchange units, wherein the base is fixed on the ground, the bracket is mounted at the upper end of the base, the plurality of the heat exchange units are mounted on the bracket, each of the heat exchange units is an independent single tube pass and single shell pass shell-and-tube heat exchanger and the heat exchange units are connected in pairs; each of the heat exchange units comprises a housing, tube boxes, tube plates, a tube bundle, a spiral baffle plate, a tube pass inlet, a shell pass inlet, a tube pass outlet and a shell pass outlet; the tube boxes are arranged at two ends of the housing, the tube bundle and the spiral baffle plate are arranged in the housing, the tube bundle is composed of a plurality of heat transfer tubes, the tube plates are welded at two ends of the tube bundle, and the spiral baffle plate is continuously welded by fan-shaped surface plates to form a spiral surface structure and is mounted on the tube bundle. By lengthening the lengths of the tube passes of the heat exchangers, the sections of the tube passes are reduced and the fluid flow rate of the tube passes is improved, so that the scaling probability of the tube passes is greatly reduced.

Description

technical field [0001] The invention belongs to the technical field of fluid equipment, and in particular relates to an anti-fouling multi-shell-side assembled heat exchanger, especially an anti-fouling multi-shell-side assembled heat exchanger suitable for fluids prone to fouling on both sides . Background technique [0002] Shell and tube heat exchangers are widely used in petroleum, chemical, light industry, pharmaceutical, energy and other industrial production, with the advantages of simple structure, easy disassembly and cleaning. However, in the case that the tube and shell side are easy-to-fouling fluids, the application of the shell and tube heat exchanger is limited, and there are several problems: First, the flow rate of the tube and shell side is difficult to match. An important means of increasing fluid flow rates to avoid fouling. For the tubes, the number of tubes has a large choice. By increasing the number of tubes, the length of the tubes can be lengthene...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F28D7/16F28F9/24F28F19/00
CPCF28D7/16F28F9/24F28F19/00
Inventor 张炳辰张高博
Owner 张炳辰
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