Structure for disassembling, assembling and supporting tube bundle of shell-and-tube heat exchanger

Abstract

The utility model discloses a structure for dismounting and supporting a tube bundle of a shell-and-tube heat exchanger, which comprises two symmetrically arranged supporting units, each supporting unit comprises a base, one side of the upper part of each base is provided with a supporting frame, the upper part of each supporting frame is provided with a supporting steel tube I in a clamping manner, and one side of each supporting frame is hinged with a movable frame; a second supporting steel pipe is clamped to the upper portion of the movable frame, and the movable frame is further provided with an adjusting assembly for adjusting the angle of the movable frame. The supporting frames of the two supporting units are oppositely arranged, and the movable frames of the two supporting units are located on the two sides of the supporting frames. The device is safe and convenient to operate, time-saving and labor-saving, can be suitable for disassembly and assembly of shell-type heat exchanger tube bundles of different specifications, meets the supporting and disassembly requirements of the shell-type heat exchanger tube bundles, is suitable for popularization and application, and solves the problems that a traditional shell-and-tube heat exchanger tube bundle is low in disassembly and assembly efficiency and easy to deform without a support; and the dismounting efficiency of the tube bundle of the shell-and-tube heat exchanger can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of support tooling, in particular to a structure for disassembling, assembling and supporting the tube bundle of a shell-and-tube heat exchanger. Background Technique

[0002] The shell-and-tube heat exchanger, also known as the tubular heat exchanger, is a shell-and-tube heat exchanger with the wall surface of the tube bundle enclosed in the shell as the heat transfer surface. This heat exchanger has a simple structure, low cost, a relatively wide flow cross-section, and is easy to clean scale; however, it has a low heat transfer coefficient and a large floor area. When the tube bundle of the shell-and-tube heat exchanger is disassembled, assembled and maintained in the later stage, it is usually placed on the ground for processing. Due to the lack of support, it is prone to deformation due to stress. A simple support frame is also used, but the simple support frame is not adjustable. Different support frames are required for shell-and-tube heat exchangers of different specifications, resulting in waste of resources and inflexible use. In view of the above reasons, improvement is needed. Now, a structure for disassembling, assembling and supporting the tube bundle of a shell-and-tube heat exchanger is proposed. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a structure for disassembling, assembling and supporting the tube bundle of a shell-and-tube heat exchanger, which can be used for disassembling and assembling the tube bundles of shell-and-tube heat exchangers of different specifications, ensuring the requirements for supporting, disassembling and assembling the tube bundles of shell-and-tube heat exchangers, being suitable for popularization and application, solving the problems of slow disassembly and assembly efficiency of the traditional shell-and-tube heat exchanger tube bundle and easy deformation without support, effectively improving the disassembly and assembly efficiency of the shell-and-tube heat exchanger tube bundle, and effectively solving the problems in the background technique.

[0004] To achieve the above object, the utility model provides the following technical solution: A structure for disassembling, assembling and supporting the tube bundle of a shell-and-tube heat exchanger, including two symmetrically arranged support units. Each support unit includes a base. On one side of the upper part of the base, there is a support frame. A first support steel pipe is clamped on the upper part of the support frame. A movable frame is hinged to one side of the support frame. A second support steel pipe is clamped on the upper part of the movable frame. The movable frame is also provided with an adjusting component for adjusting its angle; the support frames of the two support units are arranged oppositely, and the movable frames of the two support units are located on both sides of the support frame.

[0005] Preferably, the support frames of the two support units are connected by a lead screw. The support frame is provided with a through hole for the lead screw to pass through. The lead screw is threadedly connected with two nuts that are in contact with the two side surfaces of the side plate of the support frame.

[0006] Preferably, the adjusting component includes a movable plate. The movable plate is located at the free end of the movable frame. The two ends of the movable plate are respectively and rotatably connected to the two side walls of the movable frame through rotating shafts. The movable plate is sleeved with an adjusting lead screw. The adjusting lead screw is threadedly connected with two adjusting nuts that are in contact with the two side surfaces of the movable plate. The lower end of the adjusting lead screw is in contact with the base.

[0007] Preferably, the support frame and the movable frame are both provided with circular card slots corresponding to and adapted to the first support steel pipe and the second support steel pipe.

[0008] Preferably, the two side plates of the movable frame are correspondingly located outside the two side plates of the support frame, and the side plates of the movable frame are rotatably connected to the side plates of the support frame through a pin shaft.

[0009] Compared with the prior art, the beneficial effects of the present utility model are as follows: simple structure and convenient to use. The distance between the two support frames can be adjusted by the lead screw, and the angle of the movable frame can be adjusted by the adjusting component, so that it can be applied to the disassembly and assembly of shell-and-tube heat exchanger tube bundles of different specifications. The operation is safe, convenient, time-saving and labor-saving, ensuring the requirements for the support, disassembly and assembly of the shell-and-tube heat exchanger tube bundles, suitable for popularization and application, solving the problems of slow disassembly and assembly efficiency and easy deformation without support of the traditional shell-and-tube heat exchanger tube bundles, and effectively improving the disassembly and assembly efficiency of the shell-and-tube heat exchanger tube bundles. Brief Description of the Drawings

[0010] Figure 1 is a schematic structural diagram of the present utility model;

[0011] Figure 2 is a front view of the present utility model;

[0012] Figure 3 is a top view of the present utility model.

[0013] In the figure: 1 adjusting component, 1.1 adjusting lead screw, 1.2 adjusting nut, 1.3 movable plate, 2 base, 3 support frame, 4 lead screw, 4.1 nut, 5 first support steel pipe, 6 second support steel pipe, 7 movable frame. Detailed Embodiments

[0014] The present utility model can be explained in detail through the following embodiments. The purpose of disclosing the present utility model is to protect all technical improvements within the scope of the present utility model. In the description of the present utility model, it should be understood that if there are terms such as "upper", "lower", "front", "rear", "left", "right", etc. indicating the orientation or positional relationship, they are only corresponding to the drawings of the present application for the convenience of describing the present utility model, rather than indicating or implying that the device or element referred to must have a specific orientation.

[0015] Please refer to Figures 1-3, the utility model provides a technical solution: a structure for disassembling, assembling and supporting the tube bundle of a shell-and-tube heat exchanger, including two symmetrically arranged support units. The support unit includes a base 2. On one side of the upper part of the base 2, there is a support frame 3. A first support steel pipe 5 is clamped on the upper part of the support frame 3. One side of the support frame 3 is hinged with a movable frame 7. A second support steel pipe 6 is clamped on the upper part of the movable frame 7. The movable frame 7 is also provided with an adjusting component 1 for adjusting its angle; the support frames 3 of the two support units are arranged oppositely, and the movable frames 7 of the two support units are located on both sides of the support frame 3;

[0016] The two support units are used to support the tube bundle of the shell-and-tube heat exchanger. The two first support steel pipes 1 are in the lower fixed position, and the two second support steel pipes 6 are in the upper adjustable position. The swing angle of the movable frame 7 can be adjusted through the adjusting component 1, that is, the positions of the two second support steel pipes 6 are adjusted, so that it can adapt to the tube bundles of shell-and-tube heat exchangers of different specifications. It is flexible and convenient to use, the tooling is easy to install, no special tools are required for installation, the installation difficulty is reduced, the use process is relatively stable, this tooling can be used for a long time, and it is suitable for the disassembly and assembly of tube bundles of various specifications of shell-and-tube heat exchangers;

[0017] Furthermore, the support frames 3 of the two support units are connected by a lead screw 4. The support frame 3 is provided with a through hole for the lead screw 4 to pass through. The lead screw 4 is threadedly connected with two nuts 4.1 that abut against the two side faces of the side plate of the support frame 3. The distance between the two support frames 3 can be adjusted through the lead screw 4, that is, the distance between the two first support steel pipes 5 can be adjusted, and it can be adjusted according to the specifications of the tube bundle of the shell-and-tube heat exchanger;

[0018] Furthermore, the adjusting component 1 includes a movable plate 1.3. The movable plate 1.3 is located at the free end of the movable frame 7. Both ends of the movable plate 1.3 are rotatably connected to the two side walls of the movable frame 7 through rotating shafts. The movable plate 1.3 is sleeved with an adjusting lead screw 1.1. The adjusting lead screw 1.1 is threadedly connected with two adjusting nuts 1.2 that abut against the two side faces of the movable plate 1.3. The lower end of the adjusting lead screw 1.1 abuts against the base 2. The position of the movable plate 1.3 is adjusted through the adjusting lead screw 1.1 and the adjusting nuts 1.2. Since the movable plate 1.3 is rotatably connected to the movable frame 7, the movable plate 1.3 can rotate. One end of the adjusting lead screw 1.1 abuts against the base 2, and the movable plate 1.3 drives the movable frame 7 to swing, so as to adjust the position of the second support steel pipe 6. The structure is simple, and the operation is safe and convenient;

[0019] In addition, both the support frame 3 and the movable frame 7 are provided with circular card slots corresponding to and adapted to the first support steel pipe 5 and the second support steel pipe 6, that is, the first support steel pipe 5 and the second support steel pipe 6 are in plug-in fit with the support frame 3 and the movable frame 7, which is convenient for installation; the two side plates of the movable frame 7 are correspondingly located outside the two side plates of the support frame 3, and the side plates of the movable frame 7 are rotatably connected to the side plates of the support frame 3 through pin shafts. The connection through pin shafts is convenient for installation.

[0020] The parts not detailed in the present utility model are prior art. For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive, aiming to include all changes falling within the meaning and scope of equivalent elements in the content of the present utility model.

Claims

1. A structure for disassembling and supporting a tube bundle of a shell and tube heat exchanger, comprising two symmetrically arranged support units, characterized in that: The support unit comprises a base (2), a support frame (3) is provided on one side of the upper part of the base (2), a support steel pipe 1 (5) is clamped on the upper part of the support frame (3), a movable frame (7) is hingedly connected to one side of the support frame (3), a support steel pipe 2 (6) is clamped on the upper part of the movable frame (7), and the movable frame (7) is also provided with an adjustment component (1) for adjusting its angle; the support frames (3) of the two support units are arranged opposite to each other, and the movable frames (7) of the two support units are located on both sides of the support frame (3).

2. The structure for disassembling and supporting a tube bundle of a shell and tube heat exchanger according to claim 1, characterized in that: The support frames (3) of the two support units are connected via a screw rod (4); the support frame (3) is provided with a through hole for the screw rod (4) to pass through; the screw rod (4) is threadedly connected with two nuts (4.1) that abut against two side surfaces of the side plate of the support frame (3).

3. The structure for disassembling and supporting a tube bundle of a shell and tube heat exchanger according to claim 1, characterized in that: The adjustment component (1) comprises a movable plate (1.3), the movable plate (1.3) being located at the free end of the movable frame (7), the two ends of the movable plate (1.3) being rotatably connected to the two side walls of the movable frame (7) via a rotating shaft, the movable plate (1.3) being sleeved with an adjustment screw (1.1), the adjustment screw (1.1) being threadedly connected to two adjustment nuts (1.2) that abut against two side surfaces of the movable plate (1.3), and the lower end of the adjustment screw (1.1) abuts against the base (2).

4. The structure for disassembling and supporting a tube bundle of a shell and tube heat exchanger according to claim 1, characterized in that: The support frame (3) and the movable frame (7) are both provided with circular slots corresponding to the support steel pipe 1 (5) and the support steel pipe 2 (6).

5. The structure for disassembling and supporting a tube bundle of a shell and tube heat exchanger according to claim 1, characterized in that: The two side plates of the movable frame (7) are correspondingly located outside the two side plates of the support frame (3), and the side plates of the movable frame (7) are rotatably connected to the side plates of the support frame (3) via pins.

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