CN219494933U

CN219494933U - Double-shell Cheng Lie tubular heat exchanger

Info

Publication number: CN219494933U
Application number: CN202320805898.4U
Authority: CN
Inventors: 耿俊俊; 王维; 宋金洲
Original assignee: Shanghai Tongli Environmental Technology Co ltd
Current assignee: Shanghai Tongli Environmental Technology Co ltd
Priority date: 2023-04-12
Filing date: 2023-04-12
Publication date: 2023-08-08
Anticipated expiration: 2033-04-12

Abstract

The utility model provides a double-shell Cheng Lie tubular heat exchanger, which comprises a shell, wherein a shell side baffle is transversely arranged in an inner cavity of the shell, and two groups of metal elastic sheets are fixedly connected to the left end and the right end of the shell side baffle through locking bolts respectively, so that one end of each metal elastic sheet is a free end, and the metal elastic sheets are attached to the inner wall of the shell through deformation generated by the free ends of the metal elastic sheets and are in sealing connection; the two groups of metal elastic sheets are symmetrically arranged on the upper side and the lower side of the shell-side partition plate respectively. According to the double-shell Cheng Lie tubular heat exchanger, the metal elastic sheet and the locking bolt are adopted to fix the shell-side partition plate, so that the problems of high accuracy in groove shape manufacturing requirements and large leakage at the joint are solved, meanwhile, under the condition of the same size of equipment, the shell-side partition plate can be conveniently increased, the heat exchange area of a shell-side medium is increased, and the shell-side medium is effectively contacted with a tube side, so that the heat exchange effect is greatly improved.

Description

Double-shell Cheng Lie tubular heat exchanger

Technical Field

The utility model relates to the field of manufacturing of shell-and-tube heat exchangers, in particular to a double-shell Cheng Lie tube heat exchanger.

Background

At present, in the industrial double-shell-and-tube heat exchanger, a groove is usually formed before a shell is manufactured, then a coil is welded and butt-welded to form a shell cavity, and then the separator is in butt joint with the groove and welded to finish the installation. However, the requirements on positioning and manufacturing the groove are extremely high, the situation that the groove is unsuitable when the partition plate is installed often occurs, and the situation that the leakage amount of the joint is large occurs is caused, so that the heat exchange effect of the heat exchange medium in the shell is affected.

Disclosure of Invention

The present utility model addresses the above-described shortcomings of the prior art by providing a double shell Cheng Lie tube heat exchanger.

The utility model adopts the following technical scheme for solving the technical problems:

the utility model provides a double-shell Cheng Lie tubular heat exchanger, which comprises a shell, the inner chamber of casing transversely is provided with a shell side baffle, the left and right ends of shell side baffle are respectively fixedly connected with two groups of metal elastic sheets through locking bolts, so that one end of the metal elastic sheet is a free end, and the deformation produced by the free end of the metal elastic sheet is attached to and sealed with the inner wall of the casing; the two groups of metal elastic sheets are symmetrically arranged on the upper side and the lower side of the shell-side partition plate respectively.

Further, a bolt spring pad is arranged between the locking bolt and the metal elastic sheet.

Further, the metal elastic sheets are grouped into 5-6 metal elastic sheets.

Further, the thickness of the metal elastic sheet is 0.2mm.

Further, the width of the shell side partition plate is smaller than the inner diameter of the shell by 4-6 mm.

Further, when the free ends of the metal elastic pieces are not deformed, the total width of the metal elastic pieces and the shell side partition plates is 4-6 mm larger than the inner diameter of the shell.

Further, the locking bolts are fixed on the shell-side partition plate in a group of two, and a plurality of rows are uniformly arranged in each group in the length direction of the shell-side partition plate.

Compared with the prior art, the utility model has the following technical advantages:

according to the double-shell Cheng Lie tubular heat exchanger, the metal elastic sheet and the locking bolt are adopted to fix the shell-side partition plate, so that the problems of high accuracy in groove shape manufacturing requirements and large leakage at the joint are solved, meanwhile, under the condition of the same size of equipment, the shell-side partition plate can be conveniently increased, the heat exchange area of a shell-side medium is increased, and the shell-side medium is effectively contacted with a tube side, so that the heat exchange effect is greatly improved.

Drawings

FIG. 1 is a schematic cross-sectional view of a double shell Cheng Lie tube heat exchanger of the present utility model;

FIG. 2 is an enlarged partial schematic view of FIG. 1;

FIG. 3 is a schematic view of the structure of the lock bolt in the shell side spacer arrangement of the present utility model;

wherein the reference numerals are as follows:

a housing 1; a metal elastic sheet 2; a locking bolt 3; a bolt spring pad 31; shell side separator 4.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, the structures, proportions, sizes, etc. shown in the drawings attached to the present utility model are merely used in conjunction with the disclosure of the present utility model, and are not intended to limit the applicable limitations of the present utility model, so that any modification of the structures, variation of the proportions, or adjustment of the sizes, without affecting the efficacy and achievement of the present utility model, should fall within the scope of the disclosure of the present utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.

Example 1

Referring to fig. 1-2, the present embodiment provides a double-shell Cheng Lie tube heat exchanger, a shell 1, an inner cavity of the shell 1 is transversely provided with a shell-side partition board 4, and two groups of metal elastic sheets 2 are fixedly connected to left and right ends of the shell-side partition board 4 through locking bolts 3 respectively, so that one end of each metal elastic sheet 2 is a free end, and is attached to and in sealing connection with an inner wall of the shell 1 through deformation generated by the free end of each metal elastic sheet 2; the two groups of metal elastic sheets 2 are symmetrically arranged on the upper side and the lower side of the shell-side partition board 4 respectively.

As a preferred example, a bolt spring pad 31 is provided between the locking bolt 3 and the metal elastic sheet 2, so that the metal elastic sheet 2 is more stable when vibration generated by the fluid medium in the shell side is buffered.

As a preferable example, the metal elastic sheet 2 is a group of 5 to 6 metal elastic sheets, wherein the thickness of the metal elastic sheet is 0.2mm.

As a preferable example, the width of the shell-side separator 4 is smaller than the inner diameter of the shell 1 by 4-6 mm; when the free end of the metal elastic sheet 2 is not deformed, the total width of the metal elastic sheet 2 and the shell-side baffle 4 is larger than the inner diameter of the shell 1 by 4-6 mm.

As a preferred example, the locking bolts 3 are fixed to the shell-side separator 4 in a group of two, and each group is uniformly provided with a plurality of rows in the length direction of the shell-side separator 4.

In summary, according to the double-shell Cheng Lie tubular heat exchanger provided by the utility model, the metal elastic sheet and the locking bolt are adopted to fix the shell side partition plate, so that the problems of high precision requirement on the shape of the manufacturing groove and large leakage at the joint are solved, and meanwhile, under the condition of the same size of equipment, the shell side partition plate can be conveniently increased to increase the heat exchange area of a shell side medium, and the shell side medium and a tube side are effectively contacted, so that the heat exchange effect is greatly improved.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.

Claims

1. The utility model provides a double-shell Cheng Lie tubular heat exchanger, includes casing (1), the inner chamber of casing (1) transversely is provided with shell side baffle (4), its characterized in that, the left and right sides both ends of shell side baffle (4) are respectively through locking bolt (3) fixedly connected with two sets of metal elastic pieces (2), so that one end of metal elastic piece (2) is the free end, and through the deformation that metal elastic piece (2) free end produced with the inner wall of casing (1) laminating and sealing connection mutually; the two groups of metal elastic sheets (2) are symmetrically arranged on the upper side and the lower side of the shell-side partition board (4) respectively.

2. A double shell Cheng Lie tube heat exchanger according to claim 1, wherein a bolt spring washer (31) is provided between the locking bolt (3) and the metal spring plate (2).

3. A double shell Cheng Lie tube heat exchanger according to claim 1, wherein the metal elastic sheets (2) are grouped in a group of 5-6 metal elastic sheets.

4. A double shell Cheng Lie tube heat exchanger according to claim 3, wherein the metal elastic sheet has a thickness of 0.2mm.

5. A double shell Cheng Lie tube heat exchanger according to claim 1, wherein the shell-side baffles (4) have a width of 4-6 mm less than the inner diameter of the shell (1).

6. The double shell Cheng Lie tube heat exchanger according to claim 1, wherein the overall width of the metal elastic sheet (2) and the shell side separator (4) is greater than the inner diameter of the shell (1) by 4 to 6mm when the free ends of the metal elastic sheet (2) are not deformed.

7. The double shell Cheng Lie tube heat exchanger according to claim 1, wherein the locking bolts (3) are fixed to the shell-side separator plate (4) in groups of two, and each group is uniformly provided with a plurality of rows in the length direction of the shell-side separator plate (4).