CN216523265U

CN216523265U - High-efficiency heat exchanger

Info

Publication number: CN216523265U
Application number: CN202122903305.1U
Authority: CN
Inventors: 闫鑫隆; 闫小飞
Original assignee: Henan Yaosheng Environmental Technology Co ltd
Current assignee: Henan Yaosheng Environmental Technology Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-05-13
Anticipated expiration: 2031-11-24

Abstract

The utility model provides a high-efficiency heat exchanger, which relates to the technical field of heat exchangers and comprises a shell, wherein a plurality of heat exchange tubes are arranged in the shell, a tube plate is fixedly connected to the inner wall of the shell, two ends of each heat exchange tube penetrate through the tube plate, a partition plate is fixedly connected between the tube plate and the shell, an inner cavity is formed between the tube plate and the shell, the inner cavity is divided into two cavities by the partition plate, two ends of each heat exchange tube are respectively positioned in the two cavities, and a tube pass fluid inlet is formed in one cavity; because the two layers of pipelines of the heat exchange tubes are coiled into a ring, a plurality of heat exchange tubes can be installed in the heat exchanger in the same volume, so that the whole volume of the heat exchanger is smaller, and in the heat exchange process of cold fluid and hot fluid, when the hot fluid passes through the ring section, the flowing speed of the hot fluid can be greatly reduced, so that the heat exchange time of cold and hot media is longer, meanwhile, the heat exchange area is large, and the heat exchange efficiency is improved.

Description

High-efficiency heat exchanger

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a high-efficiency heat exchanger.

Background

The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is also called as a heat exchanger. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production.

The Chinese patent with the publication number of CN208075627U discloses an S-shaped heat exchanger, which comprises a cylinder, a heat transfer tube bundle and a tube pass joint, wherein the cylinder is a mechanism with openings at two ends, the side walls of the two ends of the cylinder are respectively provided with a connecting tube inlet and a connecting tube outlet, and the connecting tube inlet and the connecting tube outlet are communicated with an inner cavity of the cylinder; the heat transfer tube bundle comprises a plurality of heat transfer tubes, foam metal is arranged in the heat transfer tubes, and the foam metal is matched with the heat transfer tubes and is fixedly connected in the heat transfer tubes; the tube pass joint is provided with a tube hole matched with the heat transfer tube bundle; the tube pass connectors are fixedly connected to the two ends of the barrel, the heat transfer tube bundle is arranged in the inner cavity of the barrel, the two ends of the heat transfer tube bundle are respectively in sealing connection with the tube holes, and foam metal is arranged in the heat transfer tube bundle, so that the flow rate of fluid is reduced, the heat exchange time of the fluid in the heat transfer tube bundle is prolonged, the heat exchange efficiency of the two fluids is greatly increased, and the heat loss is reduced.

However, the above technical solution has the following defects that the use of the S-shaped heat exchanger results in a large volume of the heat exchanger and inconvenient transportation or use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an efficient heat exchanger, and aims to solve the problems that a heat exchanger in the prior art is large in size and inconvenient to transport.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a high-efficient heat exchanger, includes the casing, the inside of casing is provided with a plurality of heat exchange tubes, the inner wall fixedly connected with tube sheet of casing, just the both ends of heat exchange tube all run through the tube sheet, fixedly connected with baffle between tube sheet and the casing, form the inner chamber between tube sheet and the casing, two cavities are separated into with the inner chamber to the baffle, the both ends of heat exchange tube are located two cavities respectively, are provided with tube side fluid inlet on a cavity, another be provided with tube side fluid outlet on the cavity, the casing top still is equipped with casing fluid inlet, the bottom of casing is provided with casing fluid outlet, the heat exchange tube includes two horizontal segments and connects two at least ring segments between two horizontal segments.

The further technical scheme of the utility model is that the positions of the two annular sections are arranged in a staggered manner.

According to a further technical scheme, the inner wall of the shell is fixedly connected with a support frame for supporting the heat exchange tube.

In order to enable the heat exchange tube to have the buffer and shock absorption effects, the further technical scheme of the utility model is that the inner wall of the shell is fixedly connected with a buffer plate.

According to a further technical scheme, the buffer plate is arranged on the left side of the tube plate, two ends of the buffer plate are respectively connected to two sides of the inner wall of the shell, the outer surface of the heat exchange tube is sleeved with a high-temperature-resistant rubber pad, and the high-temperature-resistant rubber pad is fixedly connected with the buffer plate.

In order to make the utility model have the effects of low noise and corrosion resistance, the utility model has the further technical scheme that the inner surface of the shell is provided with the corrosion-resistant layer, and the outer surface of the shell is provided with the sound absorption layer and the sound insulation layer.

The utility model has the beneficial effects that:

1. because the two layers of pipelines of the heat exchange tubes are coiled into a ring, a plurality of heat exchange tubes can be installed in the heat exchanger in the same volume, so that the whole volume of the heat exchanger is smaller, and in the heat exchange process of cold fluid and hot fluid, when the hot fluid passes through the ring section, the flowing speed of the hot fluid can be greatly reduced, so that the heat exchange time of cold and hot media is longer, meanwhile, the heat exchange area is large, and the heat exchange efficiency is improved.

2. At cold and hot medium heat exchange's in-process, the buffer board can play the effect of fixed and buffering heat exchange tube, has improved the life of heat exchange tube, and corrosion resistant layer has improved the corrosion resisting property of casing, and at cold and hot medium heat exchange's in-process, the noise that the casing vibration produced is absorbed by the sound absorbing layer, and the puigging can play syllable-dividing effect again.

Drawings

FIG. 1 is a schematic block diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the interior of the housing according to an embodiment of the present invention;

FIG. 3 is a schematic view of a buffer plate according to an embodiment of the present invention;

FIG. 4 is a schematic perspective view of a heat exchange tube according to an embodiment of the present invention;

FIG. 5 is a schematic elevation view of a heat exchange tube according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a cross section of a housing according to an embodiment of the present invention.

In the figure: 1. a housing; 2. a heat exchange pipe; 21. a horizontal segment; 22. an annular segment; 3. a tube sheet; 4. a tube-side fluid inlet; 5. a tube-side fluid outlet; 6. a housing fluid inlet; 7. a housing fluid outlet; 8. a support frame; 9. a buffer plate; 10. a high temperature resistant rubber pad; 11. a corrosion-resistant layer; 12. and a sound absorbing layer.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1-6, a high-efficiency heat exchanger, including a casing 1, the inside of the casing 1 is provided with a plurality of heat exchange tubes 2, the inner wall of the casing 1 is fixedly connected with a tube sheet 3, and both ends of the heat exchange tubes 2 all run through the tube sheet 3, a partition is fixedly connected between the tube sheet 3 and the casing 1, an inner cavity is formed between the tube sheet 3 and the casing 1, the inner cavity is divided into two chambers by the partition, both ends of the heat exchange tubes 2 are respectively located in the two chambers, one chamber is provided with a tube side fluid inlet 4, the other chamber is provided with a tube side fluid outlet 5, the top of the casing 1 is further provided with a casing fluid inlet 6, the bottom of the casing 1 is provided with a casing fluid outlet 7, and the heat exchange tubes 2 include two horizontal sections 21 and at least two annular sections 22 connected between the two horizontal sections 21.

In this embodiment, because two-layer pipeline of heat exchange tube 2 coils annularly, can install a plurality of heat exchange tubes 2 in the heat exchanger of same volume for the volume of heat exchanger is less, and in the in-process of cold fluid and hot-fluid heat exchange, hot-fluid passes through annular section 22, can very big reduction hot-fluid flow speed, makes cold and hot medium heat exchange time longer, and the heat exchange area is big simultaneously, and heat exchange efficiency improves.

In another embodiment of the present invention, the two ring segments 22 are staggered with respect to each other.

Specifically, a support frame 8 for supporting the heat exchange tube 2 is fixedly connected to the inner wall of the shell 1.

Specifically, a buffer plate 9 is fixedly connected to the inner wall of the housing 1.

Specifically, buffer board 9 sets up in the left side of tube sheet 3, and the both ends of buffer board 9 are connected respectively in the both sides of casing 1's inner wall, and the surface cover of heat exchange tube 2 is equipped with high temperature resistant rubber pad 10, and high temperature resistant rubber pad 10 and buffer board 9 fixed connection, and at the in-process of cold and hot medium heat exchange, buffer board 9 can play the effect of fixing and buffering heat exchange tube 2, has improved heat exchange tube 2's life.

Specifically, the corrosion-resistant layer 11 is arranged on the inner surface of the shell 1, the sound absorption layer 12 and the sound insulation layer 13 are arranged on the outer surface of the shell 1, the corrosion-resistant layer 11 improves the corrosion resistance of the shell 1, noise generated by vibration of the shell 1 is absorbed by the sound absorption layer 12 in the heat exchange process of cold and hot media, and the sound insulation layer 13 can play a role in sound insulation, so that the heat-exchange heat-insulation shell has the effects of corrosion resistance and low noise.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a high-efficient heat exchanger, includes casing (1), its characterized in that, the inside of casing (1) is provided with a plurality of heat exchange tubes (2), the inner wall fixedly connected with tube sheet (3) of casing (1), just tube sheet (3) all run through at the both ends of heat exchange tube (2), fixedly connected with baffle between tube sheet (3) and casing (1), form the inner chamber between tube sheet (3) and casing (1), the baffle separates into two cavities with the inner chamber, the both ends of heat exchange tube (2) are located two cavities respectively, are provided with tube side fluid entry (4) on one cavity, another be provided with tube side fluid export (5) on the cavity, casing (1) top still is equipped with casing fluid entry (6), the bottom of casing (1) is provided with casing fluid export (7), heat exchange tube (2) include two horizontal segments (21) and connect two at least horizontal segments (21) between two horizontal segments (21), another A ring segment (22).

2. A high efficiency heat exchanger as claimed in claim 1, characterised in that the two annular sections (22) are staggered relative to one another.

3. A high efficiency heat exchanger as claimed in claim 1, wherein the inner wall of the shell (1) is fixedly connected with a support frame (8) for supporting the heat exchange tube (2).

4. A high efficiency heat exchanger as claimed in claim 1, characterised in that a buffer plate (9) is fixedly attached to the inner wall of the housing (1).

5. The efficient heat exchanger according to claim 4, wherein the buffer plate (9) is arranged on the left side of the tube plate (3), two ends of the buffer plate (9) are respectively connected to two sides of the inner wall of the shell (1), the outer surface of the heat exchange tube (2) is sleeved with a high-temperature-resistant rubber gasket (10), and the high-temperature-resistant rubber gasket (10) is fixedly connected with the buffer plate (9).

6. A high efficiency heat exchanger according to any one of claims 1 to 5, characterized in that the inner surface of the casing (1) is provided with a corrosion resistant layer (11), and the outer surface of the casing (1) is provided with a sound absorbing layer (12) and a sound insulating layer (13).