CN215864775U

CN215864775U - Hairpin type high-efficiency heat exchanger

Info

Publication number: CN215864775U
Application number: CN202122313395.9U
Authority: CN
Inventors: 费东辉; 陈林锋; 沈柯迪
Original assignee: Ningbo Anxin Chemical Equipment Co ltd
Current assignee: Ningbo Anxin Chemical Equipment Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-02-18
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses a hairpin type efficient heat exchanger, which relates to the technical field of heat transmitters and comprises a shell A section, wherein a shell side outlet is arranged on the surface of the shell A section in a penetrating manner, a shell side flange is arranged at one end of the shell A section, a first tube plate is arranged at the other end of the shell A section, a tube side inlet is arranged at one side of the first tube plate, a sliding support plate is sleeved on the outer side of the shell A section, and a small support plate is arranged at one side of the sliding support plate; and the shell B section is arranged on one side of the shell A section, a shell side inlet is arranged on the surface of the shell B section in a penetrating manner, and a second tube plate is arranged at one end of the shell B section. This kind of hairpin formula high efficiency heat exchanger sets up the rubber circle through casing C section and shell side ring flange junction, lets the connection between the casing become flexonics, can the vibration isolation, noise reduction to can prevent that the displacement from damaging the pipeline and adjusting installation error, can also reduce the destruction of thermal stress to the heat exchanger casing.

Description

Hairpin type high-efficiency heat exchanger

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a hairpin type efficient heat exchanger.

Background

Heat transfer equipment, called heat exchanger for short, is one of the most widely used equipment in many industrial sectors such as chemical industry, petroleum industry, power industry, light industry and the like, and can be divided into heaters, coolers, condensers, evaporators and the like according to the application.

The shell of the existing hairpin type heat exchanger is mostly welded, when the temperature difference of materials is large, the shell of the heat exchanger cannot be influenced by thermal stress, but the shell is rigidly connected, so that the shell of the heat exchanger can deform to a certain extent, the service life and the heat exchange effect of the heat exchanger are influenced to a certain extent, and therefore, the hairpin type high-efficiency heat exchanger is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a hairpin-type high-efficiency heat exchanger, which aims to solve the problem that the service life and the heat exchange effect of the heat exchanger are certainly influenced by certain deformation of a shell of the heat exchanger under the influence of thermal stress because the shell of the traditional hairpin-type heat exchanger is in rigid connection.

In order to achieve the purpose, the utility model provides the following technical scheme: a hairpin high efficiency heat exchanger comprising:

the shell A section is provided with a shell side outlet in a penetrating mode on the surface, a shell side flange is arranged at one end of the shell A section, a first tube plate is arranged at the other end of the shell A section, a tube side inlet is arranged at one side of the first tube plate, a sliding support plate is sleeved on the outer side of the shell A section, and a small support plate is arranged at one side of the sliding support plate;

casing B section, it sets up one side of casing A section, the shell side import is worn to be equipped with on the surface of casing B section, the second tube sheet is installed to the one end of casing B section, the pipe side ring flange is installed in the outside of second tube sheet, the pipe side export is installed to pipe side ring flange one side.

Preferably, the pipe side inlet is connected with the shell section A through a pipe side flange to form a sealing structure, the pipe side outlet is connected with the shell section B through a pipe side flange to form a sealing structure, the pipe side inlet is in threaded connection with the shell section A, and the pipe side outlet is in threaded connection with the shell section B.

Preferably, the first tube plate is tightly attached to the section A of the shell, and the second tube plate is tightly attached to the section B of the shell.

Preferably, a clamping structure is formed between the sliding support plate and the casing A section and between the sliding support plate and the casing B section, and the sliding support plate is tightly attached to the casing A section and the casing B section.

Preferably, the shell-side flange is further provided with:

a rubber ring mounted inside the case-side flange;

and the shell C section is arranged on one side of the rubber ring.

Preferably, the rubber ring is tightly attached to the section C of the shell, and the size of the rubber ring is matched with that of the section C of the shell.

Preferably, a sealing structure is formed between the shell C section and the shell A section and between the shell C section and the shell B section through shell side flange plates, and the shell C section is in threaded connection with the shell A section and the shell B section.

Preferably, the outer sides of the pipe side flange plate and the shell side flange plate are both provided with bolts, and the types and specifications of the bolts are consistent.

Preferably, the casing a section is further provided with:

the U-shaped heat exchange tube is arranged inside the A section of the shell;

the pull rod is arranged on one side of the U-shaped heat exchange tube;

the distance tube is sleeved outside the pull rod;

a baffle plate mounted at one end of the distance tube.

Compared with the prior art, the utility model provides a hairpin type efficient heat exchanger which has the following beneficial effects: this kind of hairpin formula high efficiency heat exchanger sets up the rubber circle through casing C section and shell side ring flange junction, lets the connection between the casing become flexonics, can the vibration isolation, noise reduction to can prevent that the displacement from damaging the pipeline and adjusting installation error, can also reduce the destruction of thermal stress to the heat exchanger casing.

According to the utility model, the shell pass of heat exchange is increased by increasing the number of the shell A section and the shell B section, so that the heat transfer space of a shell pass medium and a tube pass medium is increased, and the shell pass medium has a good heat exchange effect especially on the occasions of temperature crossing and deep heat exchange.

The shell A section and the shell B section are in threaded connection with the shell C section, the shell side outlet and the shell side inlet, so that the shell is easy to disassemble, and coking and scaling in the shell are convenient to clean.

The sliding support plate is designed in a sectional mode, so that the sliding support plate is convenient to disassemble and assemble, and meanwhile, the sliding support plate can be installed and fixed by using the installation holes reserved on the sliding support plate according to the position of the heat exchanger required to be installed.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a front view of the sliding support plate of the present invention;

fig. 3 is a side view of the sliding support plate of the present invention.

FIG. 4 is a schematic view of the overall internal structure of the present invention;

in the figure: 1. a U-shaped heat exchange tube; 2. a distance tube; 3. a baffle plate; 4. a shell A section; 5. a shell side outlet; 6. a tube side inlet; 7. a tube side outlet; 8. a shell B section; 9. a shell side inlet; 10. a housing C section; 11. a first tube sheet; 12. a sliding support plate; 13. a second tube sheet; 14. a pull rod; 15. a pipe-side flange; 16. a rubber ring; 17. a small support plate; 18. a shell-side flange.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, 2 and 3, a hairpin type high efficiency heat exchanger includes: the shell A section 4, the shell side outlet 5 is arranged on the surface of the shell A section 4 in a penetrating way, the sliding support plate 12 is sleeved on the outer side of the shell A section 4, the small support plate 17 is arranged on one side of the sliding support plate 12, the shell B section 8 is arranged on one side of the shell A section 4 in a penetrating way, the shell side inlet 9 is arranged on the surface of the shell B section 8 in a penetrating way, the pipe side flange 15 is arranged on the outer side of the shell B section 8, the pipe side outlet 7 is arranged on one side of the pipe side flange 15, the pipe side inlet 6 forms a sealing structure with the shell A section 4 through the pipe side flange 15, the pipe side outlet 7 forms a sealing structure with the shell B section 8 through the pipe side flange 15, the pipe side inlet 6 is in threaded connection with the shell A section 4, and the pipe side outlet 7 is in threaded connection with the shell B section 8, the shell side outlet can increase the shell pass of heat exchange by increasing the number of the shell A section 4 and the shell B section 8, the heat transfer space of the shell side medium and the tube side medium is increased, and the heat exchange effect is good especially in the occasions of temperature crossing and deep heat exchange; the sliding support plate 12, the shell A section 4 and the shell B section 8 form a clamping structure, and the sliding support plate 12 is tightly attached to the shell A section 4 and the shell B section 8.

As shown in fig. 1 and 4, a hairpin high efficiency heat exchanger includes: a shell side flange 18 is arranged at one end of the shell A section 4, a first tube plate 11 is arranged at the other end of the shell A section 4, a tube side inlet 6 is arranged at one side of the first tube plate 11, a shell B section 8 is arranged at one side of the shell A section 4, a second tube plate 13 is arranged at one end of the shell B section 8, the first tube plate 11 is tightly attached to the shell A section 4, and the second tube plate 13 is tightly attached to the shell B section 8; the shell-side flange 18 is also provided with: the hairpin type efficient heat exchanger is characterized in that the rubber ring 16 is arranged inside a shell side flange 18, the shell C section 10 is arranged on one side of the rubber ring 16, the shell C section 10 forms a sealing structure with the shell A section 4 and the shell B section 8 through the shell side flange 18, the shell C section 10 is in threaded connection with the shell A section 4 and the shell B section 8, the rubber ring 16 is tightly attached to the shell C section 10, and the rubber ring 16 is matched with the shell C section 10 in size, the rubber ring 16 is arranged at the joint of the shell C section 10 and the shell side flange 18, so that the connection between the shells is flexible connection, vibration isolation and noise reduction can be realized, the displacement damage to pipelines and the adjustment and installation errors can be prevented, and the damage of thermal stress to the shell of the heat exchanger can be reduced; bolts are arranged on the outer sides of the pipe side flange 15 and the shell side flange 18, and the types and specifications of the bolts are consistent, the shell A section 4 and the shell B section 8 are in threaded connection with the shell C section 10, the shell side outlet 5 and the shell side inlet 9, so that the disassembly is easy, the coking and scaling in the shell can be conveniently cleaned, and the shell A section 4 is also provided with a U-shaped heat exchange pipe 1 which is arranged in the shell A section 4; the pull rod 14 is arranged on one side of the U-shaped heat exchange tube 1; the distance tube 2 is sleeved outside the pull rod 14; the baffle plate 3 is arranged at one end of the distance tube 2, when a material enters the shell, the distance between the baffle plates 3 can be kept by the distance tube 2 and cannot be changed by the impact of the material, the flow of the material can be increased by the baffle plate 3, the heat exchange efficiency can be improved, and the position of the baffle plate 3 can be changed by pulling the pull rod 14, so that the heat exchange efficiency of the material can be changed.

The working principle is as follows: when the hairpin-type efficient heat exchanger is used, firstly, a shell A section 4 and a shell B section 8 of the hairpin-type efficient heat exchanger are connected with a shell C section 10 through a shell side flange 18, the shell A section 4 and the shell B section 8 are connected with a tube side inlet 6 and a tube side outlet 7 through a tube side flange 15, and then the heat exchanger is fixed by using a sliding support plate 12; secondly, cold materials enter the heat exchanger from a tube side inlet 6 at the lower part of the heat exchanger, and hot materials enter a shell side from a shell side inlet 9 at the upper part of the heat exchanger; then, the cold materials are bent to the upper tube side along the U-shaped heat exchange tube 1 through the tube side, leave the heat exchanger from the tube side outlet 7, and leave the heat exchanger from the shell side outlet 5 at the lower part of the heat exchanger after being repeatedly bent by the plurality of baffle plates 3; finally, the heat material transfers the heat to the U-shaped heat exchange tube 1 in a convection mode, and then transfers the heat from the U-shaped heat exchange tube 1 to the cold material in a convection mode.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A hairpin high efficiency heat exchanger comprising:

the shell A section (4) is provided with a shell side outlet (5) in a penetrating manner on the surface of the shell A section (4), one end of the shell A section (4) is provided with a shell side flange plate (18), the other end of the shell A section (4) is provided with a first tube plate (11), one side of the first tube plate (11) is provided with a tube side inlet (6), the outer side of the shell A section (4) is sleeved with a sliding support plate (12), and one side of the sliding support plate (12) is provided with a small support plate (17);

casing B section (8), it sets up one side of casing A section (4), shell side import (9) are worn to be equipped with on the surface of casing B section (8), second tube sheet (13) are installed to the one end of casing B section (8), pipe side ring flange (15) are installed in the outside of second tube sheet (13), pipe side export (7) are installed to pipe side ring flange (15) one side.

2. The hairpin high efficiency heat exchanger according to claim 1, wherein the tube side inlet (6) is sealed by a tube side flange (15) to the shell a section (4), and the tube side outlet (7) is sealed by a tube side flange (15) to the shell B section (8), and wherein the tube side inlet (6) is screwed to the shell a section (4), and the tube side outlet (7) is screwed to the shell B section (8).

3. The hairpin high efficiency heat exchanger according to claim 1, wherein the first tube sheet (11) is closely attached to the shell a-section (4) and the second tube sheet (13) is closely attached to the shell B-section (8).

4. The hairpin efficient heat exchanger according to claim 1, wherein the sliding support plate (12) forms a clamping structure with the casing A section (4) and the casing B section (8), and the sliding support plate (12) is tightly attached to the casing A section (4) and the casing B section (8).

5. A hairpin high efficiency heat exchanger according to claim 1 wherein the shell-side flange (18) is further provided with:

a rubber ring (16) mounted inside the shell-side flange (18);

a housing C section (10) mounted on one side of the rubber ring (16).

6. The hairpin efficient heat exchanger according to claim 5, wherein the rubber ring (16) is closely attached to the casing C section (10), and the rubber ring (16) is matched with the casing C section (10) in size.

7. The hairpin efficient heat exchanger according to claim 5, wherein the shell C section (10) forms a sealing structure with the shell A section (4) and the shell B section (8) through a shell side flange plate (18), and the shell C section (10) is in threaded connection with the shell A section (4) and the shell B section (8).

8. The hairpin high efficiency heat exchanger according to claim 5, wherein bolts are provided on the outside of the tube-side flange (15) and the shell-side flange (18) and have the same specification.

9. A hairpin high efficiency heat exchanger according to claim 1 characterized in that the shell a section (4) is further provided with:

the U-shaped heat exchange tube (1) is arranged inside the shell A section (4);

the pull rod (14) is arranged on one side of the U-shaped heat exchange tube (1);

the distance tube (2) is sleeved outside the pull rod (14);

a baffle plate (3) mounted at one end of the distance tube (2).