Shell-and-tube heat exchanger convenient to install and fix

Abstract

The shell-and-tube heat exchanger convenient to install and fix comprises a shell, a heat transfer tube bundle, a baffle plate and a tube plate, the heat transfer tube bundle is installed in the shell, an abutting block is arranged at the front end of the heat transfer tube bundle, the abutting block is vertically installed at the tail end position in the shell, and the baffle plate and the tube plate are arranged on the shell. A supporting plate is transversely inserted in the middle position in the shell, the supporting plate comprises a protruding strip and a supporting face, the protruding strip is arranged in the middle position of the supporting face, and the protruding strip and the supporting face are integrally formed; the heat exchanger is reasonable in structural design and convenient to use, the heat transfer tube bundle and the baffle plate can be simply and rapidly installed in the shell, and meanwhile heat transfer of cold media and heat media can be facilitated.

Description

Technical Field

[0001] The utility model relates to the field of heat exchangers, in particular to a shell and tube heat exchanger which is easy to install and fix. Background Art

[0002] Shell and tube heat exchanger, also known as tubular heat exchanger, is a partition wall heat exchanger that uses the wall of the tube bundle enclosed in the shell as the heat transfer surface. It is mainly composed of shell, heat transfer tube bundle, tube sheet and baffle.

[0003] The tube bundles of current shell and tube heat exchangers are usually straight-flowing straight-through tubes, and multiple heat transfer tube bundles need to be installed in the shell, which is cumbersome and inconvenient. In addition, when installing baffles, traditional shell and tube heat exchangers lack effective fixation during the installation process, which easily causes the baffles to shift in position, which is not conducive to the quick and easy installation of the baffles. Therefore, improvements are still needed. Utility Model Content

[0004] In order to solve the above-mentioned problems, the utility model provides a shell and tube heat exchanger which is easy to install and fix, comprising a shell, a heat transfer tube bundle, a baffle and a tube sheet, wherein the heat transfer tube bundle is installed in the shell, a support block is provided at the front end of the heat transfer tube bundle, the support block is vertically installed at the end position in the shell, a support plate is horizontally inserted at the middle position in the shell, the support plate includes a convex strip and a support surface, the convex strip is provided at the middle position of the support surface, the convex strip and the support surface are integrally formed, sliding strips are provided on the upper and lower side walls of the shell, the baffle is configured as a semicircular structure, a through hole is opened on the baffle, a first notch and a second notch are respectively provided at the middle position of the upper and lower side edges of the baffle, and the baffle is slidably installed in the shell through the first notch and the second notch, the tube sheet is installed at the opening at the front end of the shell, a cold medium inlet and a cold medium outlet are provided on the tube sheet, and the cold medium inlet and the cold medium outlet are respectively connected to the two ends of the heat transfer tube bundle, and a hot medium inlet and a hot medium outlet are provided on the shell.

[0005] Preferably, limit blocks are provided on the upper and lower inner wall surfaces of the shell, and the limit blocks are provided near the rear end of the slide bar.

[0006] Preferably, the heat transfer tube bundle is configured as a U-shaped structure, and the cross section of the heat transfer tube bundle is configured as an oblong circular structure.

[0007] Preferably, sliding grooves are provided on the left and right side walls of the shell.

[0008] Preferably, a third notch is provided at the end of the support plate.

[0009] The beneficial effects of the utility model are as follows: the utility model has reasonable structural design, is easy to use, can simply and quickly install the heat transfer tube bundle and the baffle in the shell, and can also facilitate heat transfer between cold and hot media. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The present invention will be described by way of examples with reference to the accompanying drawings, in which:

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 This is a front view structural diagram of the present utility model;

[0013] Figure 3 This is a schematic diagram of the baffle structure of the utility model;

[0014] Figure 4 This is a schematic diagram of the support plate structure of the utility model;

[0015] In the figure: 1. Shell; 2. Heat transfer tube bundle; 3. Tube sheet; 4. Cold medium inlet; 5. Cold medium outlet; 6. Hot medium inlet; 7. Hot medium outlet; 8. Baffle; 9. Limit block; 10. Support plate; 11. Stop block; 12. First notch; 13. Second notch; 14. Through hole; 15. Support surface; 16. Raised strip; 17. Sliding strip; 18. Third notch. DETAILED DESCRIPTION

[0016] All features disclosed in this specification, or all steps in the disclosed methods or processes, except mutually exclusive features and / or steps, can be combined in any manner.

[0017] Any feature in this specification, unless otherwise stated, may be replaced by other equivalent or similar features. That is, unless otherwise stated, each feature is only an example of a series of equivalent or similar features.

[0018] like Figure 1 、 2, 3, 4 shows a shell and tube heat exchanger that is easy to install and fix, comprising a shell 1, a heat transfer tube bundle 2, a baffle 8 and a tube sheet 3, wherein the heat transfer tube bundle 2 is installed in the shell 1, and a support block 11 is provided at the front end of the heat transfer tube bundle 2, and the support block 11 is vertically installed at the end position in the shell 1, and a support plate 10 is horizontally inserted at the middle position in the shell 1, and the support plate 10 includes a ridge 16 and a support surface 15, and the ridge 16 is provided in the middle position of the support surface 15, and the ridge 16 and the support surface 15 are integrally formed, and the upper and lower side walls in the shell 1 are A sliding strip 17 is provided on each of the baffles 8. The baffle 8 is configured as a semicircular structure. A through hole 14 is provided on the baffle 8. A first notch 12 and a second notch 13 are provided at the middle positions of the upper and lower sides of the baffle 8, respectively. The baffle 8 is slidably installed in the shell 1 through the first notch 12 and the second notch 13. The tube sheet 3 is installed at the opening at the front end of the shell 1. A cold medium inlet 4 and a cold medium outlet 5 are provided on the tube sheet 3, and the cold medium inlet 4 and the cold medium outlet 5 are respectively connected to the two ends of the heat transfer tube bundle 2. A hot medium inlet 6 and a hot medium outlet 7 are provided on the shell 1.

[0019] Limiting blocks 9 are provided on the upper and lower side walls of the housing 1 , and the limiting blocks 9 are provided near the rear end of the slide bar 17 .

[0020] The heat transfer tube bundle 2 is configured as a U-shaped structure, and the cross section of the heat transfer tube bundle 2 is configured as an oblong circular structure.

[0021] Slide grooves are provided on the left and right side walls of the housing 1 .

[0022] A third notch 18 is formed at the end of the support plate 10 .

[0023] During use, the heat transfer tube bundle 2 is installed in the shell 1 until the front end of the heat transfer tube bundle 2 rests on the resting block 11, and then the two sides of the support plate 10 are horizontally inserted into the slide groove of the shell 1 for installation. After the support plate 10 is installed, several baffles 8 are installed in the shell 1 in sequence. Finally, the tube sheet 3 is installed at the front end opening of the shell 1 and the cold medium inlet 4 and the cold medium outlet 5 are respectively connected to the two ports of the heat transfer tube bundle 2, thereby completing the installation of the shell and tube heat exchanger.

[0024] The arrangement of the protruding strips 16 and the sliding strips 17 can facilitate the first notches 12 and the second notches 13 on the baffle 8 to correspond thereto, thereby performing installation and fixation of the baffle 8 .

[0025] The setting of the limiting block 9 can define the position of the last baffle 8 in the shell 1 .

[0026] The cross section of the heat transfer tube bundle 2 is configured to be an oblong circular structure, which can increase the heat transfer area of the heat transfer tube bundle 2 .

[0027] The beneficial effects of the utility model are as follows: the utility model has reasonable structural design, is easy to use, can simply and quickly install the heat transfer tube bundle and the baffle in the shell, and can also facilitate heat transfer between cold and hot media.

[0028] The present invention is not limited to the aforementioned specific embodiments, but extends to any new features or any new combination disclosed in this specification, as well as any new method or process steps or any new combination disclosed.

Claims

1. A shell and tube heat exchanger that is easy to install and fix, comprising a shell (1), a heat transfer tube bundle (2), a baffle (8) and a tube sheet (3), characterized in that: The heat transfer tube bundle (2) is installed in the shell (1), and a support block (11) is provided at the front end of the heat transfer tube bundle (2). The support block (11) is vertically installed at the end position in the shell (1). A support plate (10) is inserted horizontally at the middle position in the shell (1). The support plate (10) includes a convex strip (16) and a support surface (15). The convex strip (16) is provided at the middle position of the support surface (15). The convex strip (16) and the support surface (15) are formed as a whole. Slide strips (17) are provided on the upper and lower side walls of the shell (1). The deflector (8) is provided in a semicircular structure. The baffle (8) is provided with a through hole (14), and the baffle (8) is provided with a first notch (12) and a second notch (13) at the middle position of the upper and lower sides respectively. The baffle (8) is slidably installed in the shell (1) through the first notch (12) and the second notch (13). The tube sheet (3) is installed at the opening at the front end of the shell (1). The tube sheet (3) is provided with a cold medium inlet (4) and a cold medium outlet (5), and the cold medium inlet (4) and the cold medium outlet (5) are respectively connected to the two ends of the heat transfer tube bundle (2). The shell (1) is provided with a hot medium inlet (6) and a hot medium outlet (7).

2. The shell and tube heat exchanger that is easy to install and fix according to claim 1, characterized in that: Limit blocks (9) are provided on the upper and lower side walls of the housing (1), and the limit blocks (9) are provided near the rear end of the slide bar (17).

3. The shell and tube heat exchanger that is easy to install and fix according to claim 1, characterized in that: The heat transfer tube bundle (2) is configured as a U-shaped structure, and the cross section of the heat transfer tube bundle (2) is configured as an oblong circular structure.

4. The shell and tube heat exchanger that is easy to install and fix according to claim 1, characterized in that: Slide grooves are provided on the left and right side walls of the housing (1).

5. The shell and tube heat exchanger that is easy to install and fix according to claim 1, characterized in that: A third notch (18) is provided at the end of the support plate (10).

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