Tube plate for long-life heat exchanger

Abstract

The utility model belongs to the technical field of tube plates for heat exchangers, and discloses a long-life tube plate for a heat exchanger, which comprises a tube plate main body, a plurality of tube grooves arranged on the surface of the tube plate main body, a connecting groove arranged on one side of the tube plate main body, a plurality of clamping grooves arranged on the inner wall of the connecting groove, and a protective plate, one end of the extension pipe penetrates through one side of the protective plate and is in threaded connection with a mounting block, one side of the mounting block is provided with a filter screen, one side of the protective plate is provided with a connecting shaft, a cavity is formed in the connecting shaft, one side of the cavity is rotationally connected with a threaded rod, the periphery of the threaded rod is in threaded connection with a push block, and a plurality of guide grooves are formed in the surface of the push block; the inner wall of the cavity is movably connected with a plurality of clamping blocks, one ends of the clamping blocks penetrate through the push block and extend to the outside of the push block, and the other ends of the clamping blocks are movably connected with the guide grooves correspondingly. The device is simple and reasonable in structure, novel in design, easy to operate, high in practicability and convenient to widely popularize and use.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the tube plate for heat exchanger technical field, more specifically, it is particularly related to a tube plate for heat exchanger with long service life. BACKGROUND

[0002] The tube plate for heat exchanger is a very important component in the heat exchanger, usually made of metal material, mainly used for fixing the tube bundle of the heat exchanger, and providing the sealing effect of the pipeline, which is usually located at both sides (or called head end and tail end) of the heat exchanger, connecting the shell of the heat exchanger and the tube bundle together.

[0003] In the prior art, the tube plate and the heat exchange tube in the shell and tube heat exchanger are mostly welded, but in the process of use, the fluid will directly contact the weld, which is easy to cause damage to the weld, and will affect the normal use of the shell and tube heat exchanger.

[0004] Therefore, in view of the above, the existing structure and defects are improved, and a tube plate for heat exchanger with long service life is provided, so as to achieve the purpose of having more practical value. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems, the utility model provides a tube plate for heat exchanger with long service life, which is achieved by the following specific technical means:

[0006] A tube plate for heat exchanger with long service life, comprising a tube plate main body, the surface of the tube plate main body is provided with a plurality of tube grooves, one side of the tube plate main body is provided with a connecting groove, the inner wall of the connecting groove is provided with a plurality of clamping grooves, further comprising a protective plate, one side of the protective plate is installed with a plurality of extension pipes, one end of the extension pipe penetrates through one side of the protective plate and is threadedly connected with a mounting block, one side of the mounting block is provided with a filter screen, one side of the protective plate is installed with a connecting shaft, the connecting shaft is provided with a cavity, one side of the cavity is rotatably connected with a threaded rod, the outer periphery of the threaded rod is threadedly connected with a push block, the surface of the push block is provided with a plurality of guide grooves, the inner wall of the cavity is movably connected with a plurality of clamping blocks, one end of the clamping block penetrates through the push block and extends to the outside of the push block, the other end of the clamping block is movably connected with the guide groove, the outer periphery of the clamping block is installed with a limiting block, one side of the limiting block is installed with a compression spring, the other end of the compression spring is connected with one side of the cavity.

[0007] Further, one end of the threaded rod is installed with a rotating shaft, one end of the rotating shaft penetrates through one side of the protective plate and is installed with a rotating block.

[0008] Further, one side of the cavity is installed with a limiting rod, the limiting rod penetrates through the push block, and the limiting rod is movably connected with the push block.

[0009] Further, the connecting shaft is matched with the connecting groove in size.

[0010] Further, the clamping block is matched with the clamping groove in size.

[0011] Further, one side of the tube plate body is provided with a plurality of positioning grooves, and one side of the protective plate is provided with a plurality of positioning rods matched with the positioning grooves in size.

[0012] Further, the size of the extension pipe is smaller than that of the pipe groove.

[0013] Further, the surface of the tube plate body is provided with a corrosion-resistant layer.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] Through the cooperation of the rotating block, the rotating shaft, the threaded rod, the push block, the guide groove, the clamping block and the clamping groove, the staff inserts the connecting shaft on one side of the protective plate into the connecting groove on one side of the tube plate body, and then rotates the rotating block; the rotating block drives the threaded rod to rotate through the rotating shaft; the threaded rod drives the push block to move forward through rotation; the push block can move one end of the clamping block into the clamping groove through the guide groove during the forward movement, so that the quick connection of the protective plate and the tube plate body can be realized; when the protective plate needs to be disassembled, the staff reversely rotates the rotating block to make the push block move in the opposite direction; at this time, under the action force of the compression spring, the compression spring pushes the clamping block to move out of the clamping groove through the limiting block, so that the protective plate can be quickly disassembled, thereby improving the convenience of the product.

[0016] Through the cooperation of the protective plate, the extension pipe and the filter screen, the staff fixes the protective plate on one side of the tube plate body; the fluid can directly enter the heat exchange pipe through the extension pipe, so that the welding position of the heat exchange pipe and the pipe groove can be protected, the damage of the welding seam can be reduced, and the corrosion resistance of the tube plate body can be improved through the corrosion-resistant layer arranged on the surface of the tube plate body, thereby prolonging the service life of the tube plate body. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic view of the utility model.

[0018] Figure 2 It is a sectional three-dimensional schematic view of the tube plate body in the utility model.

[0019] Figure 3 It is a sectional three-dimensional schematic view of the utility model.

[0020] Figure 4 It is a three-dimensional schematic view of the protective plate in the utility model.

[0021] Figure 5Is the stereogram of the push block in the utility model.

[0022] Figure 6 Is the utility model Figure 3 A's enlarged schematic view.

[0023] In the drawing, the correspondence between the component name and the drawing number is:

[0024] 1, tube plate main body;101, pipe groove;102, connecting groove;103, clamping groove;104, positioning groove;2, guard plate;201, extension pipe;202, positioning rod;3, mounting block;301, filter screen;4, connecting shaft;401, cavity;402, threaded rod;403, push block;404, guide groove;405, rotating shaft;406, rotating block;407, limiting rod;5, clamping block;501, limiting block;502, compression spring. DETAILED DESCRIPTION

[0025] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0026] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] Embodiment:

[0029] As shown in the accompanying Figure 1 to the accompanying Figure 6 :

[0030] The utility model provides a kind of tube sheet for high life heat exchanger, including tube sheet main body 1, the surface of tube sheet main body 1 is equipped with several tube grooves 101, one side of tube sheet main body 1 is equipped with connecting groove 102, the inner wall of connecting groove 102 is equipped with several clamping grooves 103, further including protective plate 2, the side of protective plate 2 is installed with several extension pipes 201, one end of extension pipe 201 penetrates the side of protective plate 2 and is screw-threaded with mounting block 3, the side of mounting block 3 is provided with filter screen 301, the side of protective plate 2 is installed with connecting shaft 4, connecting shaft 4 is equipped with chamber 401, one side of chamber 401 is rotatably connected with threaded rod 402, the periphery of threaded rod 402 is screw-threaded with push block 403, the surface of push block 403 is equipped with several guide grooves 404, the inner wall of chamber 401 movably connects with several clamping blocks 5, one end of clamping block 5 penetrates push block 403 and extends to the outside of push block 403, the other end of several clamping blocks 5 is movably connected with several guide grooves 404 respectively, the periphery of clamping block 5 is installed with limit block 501, the side of limit block 501 is installed with compression spring 502, the other end of compression spring 502 is connected with the side of chamber 401.

[0031] Wherein, one end of threaded rod 402 is installed with rotating shaft 405, one end of rotating shaft 405 penetrates the side of protective plate 2 and is installed with rotating block 406, rotating block 406 drives threaded rod 402 to rotate by rotating shaft 405.

[0032] Wherein, the side of chamber 401 is installed with limit rod 407, limit rod 407 penetrates push block 403, and limit rod 407 is movably connected with push block 403, and the movement of push block 403 can be limited by limit rod 407.

[0033] Wherein, the size of connecting shaft 4 and connecting groove 102 is matched.

[0034] Wherein, the size of clamping block 5 and clamping groove 103 is matched, and clamping block 5 can be fixed on tube sheet main body 1 by moving to clamping groove 103.

[0035] Wherein, one side of tube sheet main body 1 is equipped with several positioning grooves 104, the side of protective plate 2 is installed with several positioning rods 202, the size of positioning groove 104 and positioning rod 202 is matched, and the cooperation of positioning rod 202 and positioning groove 104 can facilitate the connection of tube sheet main body 1 and protective plate 2.

[0036] Wherein, the size of extension pipe 201 is less than the size of tube groove 101.

[0037] Wherein, the surface of tube sheet main body 1 is provided with corrosion-resistant layer, and the corrosion-resistant effect of tube sheet main body 1 can be improved by corrosion-resistant layer.

[0038] The working principle of the embodiment is as follows:

[0039] Through cooperation of the rotating block 406, the rotating shaft 405, the threaded rod 402, the push block 403, the guide groove 404, the clamping block 5 and the clamping groove 103, a worker inserts the connecting shaft 4 at one side of the protection plate 2 into the connecting groove 102 at one side of the pipe plate body 1, then rotates the rotating block 406, the rotating block 406 drives the threaded rod 402 to rotate through the rotating shaft 405, the threaded rod 402 drives the push block 403 to move forward through rotation, the push block 403 can drive one end of the clamping block 5 to move into the clamping groove 103 in the process of moving forward, so that the protection plate 2 and the pipe plate body 1 can be quickly connected, when the protection plate 2 needs to be disassembled, the worker reversely rotates the rotating block 406, so that the push block 403 moves in the reverse direction, at this moment, the clamping block 5 is driven to move out of the clamping groove 103 by the compression spring 502 through the limiting block 501 under the action force of the compression spring 502, so that the protection plate 2 can be quickly disassembled, the worker fixes the protection plate 2 at one side of the pipe plate body 1, fluid can directly enter the heat exchange pipe through the extension pipe 201, so that the welding position of the heat exchange pipe and the pipe groove 101 can be protected, the damage of the welding position is reduced, meanwhile, the pipe plate body 1 is provided with a corrosion-resistant layer on the surface, the corrosion resistance of the pipe plate body 1 can be improved, and the service life of the pipe plate body 1 is improved.

[0040] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to best explain the principles of the present application and its practical application, and to enable others skilled in the art to understand the present application for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A tube sheet for a high life heat exchanger comprising a tube sheet body (1) characterized by: The surface of the tube plate body (1) is provided with a plurality of tube grooves (101), one side of the tube plate body (1) is provided with a connecting groove (102), the inner wall of the connecting groove (102) is provided with a plurality of clamping grooves (103), and the protection plate (2) is further provided.

2. The tube sheet for a high life heat exchanger of claim 1, wherein: The surface of the tube plate body (1) is provided with a plurality of tube grooves (101), one side of the tube plate body (1) is provided with a connecting groove (102), the inner wall of the connecting groove (102) is provided with a plurality of clamping grooves (103), and the protection plate (2) is further provided.

3. The tube sheet for a high life heat exchanger of claim 1, wherein: The surface of the tube plate body (1) is provided with a plurality of tube grooves (101), one side of the tube plate body (1) is provided with a connecting groove (102), the inner wall of the connecting groove (102) is provided with a plurality of clamping grooves (103), and the protection plate (2) is further provided.

4. The tube sheet for a high life heat exchanger of claim 1 wherein: The surface of the tube plate body (1) is provided with a plurality of tube grooves (101), one side of the tube plate body (1) is provided with a connecting groove (102), the inner wall of the connecting groove (102) is provided with a plurality of clamping grooves (103), and the protection plate (2) is further provided.

5. The tube sheet for a high life heat exchanger of claim 1 wherein: The surface of the tube plate body (1) is provided with a plurality of tube grooves (101), one side of the tube plate body (1) is provided with a connecting groove (102), the inner wall of the connecting groove (102) is provided with a plurality of clamping grooves (103), and the protection plate (2) is further provided.

6. The tube sheet for a high life heat exchanger of claim 1 wherein: The surface of the tube plate body (1) is provided with a plurality of tube grooves (101), one side of the tube plate body (1) is provided with a connecting groove (102), the inner wall of the connecting groove (102) is provided with a plurality of clamping grooves (103), and the protection plate (2) is further provided.

7. The tube sheet for a high life heat exchanger of claim 1 wherein: The surface of the tube plate body (1) is provided with a plurality of tube grooves (101), one side of the tube plate body (1) is provided with a connecting groove (102), the inner wall of the connecting groove (102) is provided with a plurality of clamping grooves (103), and the protection plate (2) is further provided.

8. The tube sheet for a high life heat exchanger of claim 1 wherein: The surface of the tube plate body (1) is provided with a plurality of tube grooves (101), one side of the tube plate body (1) is provided with a connecting groove (102), the inner wall of the connecting groove (102) is provided with a plurality of clamping grooves (103), and the protection plate (2) is further provided. The surface of the tube plate body (1) is provided with a plurality of tube grooves (101), one side of the tube plate body (1) is provided with a connecting groove (102), the inner wall of the connecting groove (102) is provided with a plurality of clamping grooves (103), and the protection plate (2) is further provided.

Images