Quickly-assembled silicon carbide heat exchanger

Abstract

The utility model relates to the technical field of heat exchangers, and discloses a fast-assembly type silicon carbide heat exchanger which comprises a pipe sleeve, a pipe box is installed at the opening end of the pipe sleeve, a fixing plate is installed in the pipe sleeve, a plurality of heat exchange pipes are arranged on the fixing plate in a penetrating mode, a plurality of baffle plates are arranged on the heat exchange pipes in a penetrating mode, and the baffle plates are arranged at intervals. A mounting plate is jointly fixed between the pipe sleeve and the pipe box, the opening ends of the multiple heat exchange pipes abut against the mounting plate, a sealing head is mounted at the end, away from the heat exchange pipes, of the mounting plate, and the sealing head is connected with the heat exchange pipes in a sealed mode. According to the technical scheme, the problems that in the prior art, the installation flatness of the baffle plates is guaranteed through guiding of the guide rods, and the heat exchange tubes and the installation plates are connected in a split mode through the end sockets, so that alignment and assembly are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchangers, and more specifically, to a quick-install silicon carbide heat exchanger. Background Art

[0002] A heat exchanger is an energy-saving device that transfers heat between two or more fluids at different temperatures. It transfers heat from a higher-temperature fluid to a lower-temperature fluid, allowing the fluid temperature to reach the specified process temperature and meet the process requirements. It is widely used in the industrial field, especially tube-and-sheet heat exchangers.

[0003] The heat exchange tubes of the existing tube-sheet heat exchanger need to be installed one by one, that is, the heat exchange tubes need to be passed through the corresponding baffles and the holes and slots of the tube sheet in turn. The operation is cumbersome, and during the process, it is necessary to ensure that the axis of the heat exchange tubes and the holes and slots are aligned in real time to prevent scratches between them and the holes and slots causing assembly errors, and avoid leakage caused by assembly. The assembly is difficult. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of the present invention is to provide a quick-install silicon carbide heat exchanger.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A quick-install silicon carbide heat exchanger includes a pipe sleeve, a pipe box is installed at the open end of the pipe sleeve, a fixed plate is installed in the pipe sleeve, a number of heat exchange tubes are passed through the fixed plate, a number of baffles are passed through the heat exchange tubes, and the baffles are arranged at intervals. A mounting plate is fixed between the pipe sleeve and the pipe box, the open ends of the heat exchange tubes are all in contact with the mounting plate, and a head is installed at the end of the mounting plate facing away from the heat exchange tube, and the head is sealed and connected to the heat exchange tube.

[0007] The utility model is further configured as follows: a plurality of guide rods are symmetrically fixed on the fixed plate, the guide rods and the heat exchange tubes are arranged in the same direction, the other ends of the guide rods are connected to the mounting plate, and guide sleeves are correspondingly provided on the deflector plate, and the guide rods and the guide sleeves are correspondingly slidably connected.

[0008] The utility model is further configured as follows: the inner wall of the guide sleeve is divided into three sections, the middle section of the inner wall of the guide sleeve is a straight section, the straight section is in contact with the guide rod, both ends of the straight section are arc sections, the inner end of the arc section is tangent to the straight section, and the outer end of the arc section extends away from the axis.

[0009] The utility model is further configured as follows: the open end of the heat exchange tube is a tube head, the tube head is in an arc-shaped inward-contracted shape, and the side wall of the tube head is in contact with the mounting plate.

[0010] The utility model is further configured as follows: the sealing head includes a connecting pipe, the outer pipe wall of the connecting pipe is threadedly connected to the mounting plate, and a sealing ring is installed between one end of the connecting pipe in the mounting plate and the pipe head.

[0011] The utility model is further configured as follows: a limiting ring is provided on the side of the connecting pipe facing the pipe box, the limiting ring abuts against the mounting plate, and a hexagonal groove is provided on the side of the head facing the pipe box.

[0012] The advantages of the utility model are:

[0013] 1. A guide rod is installed on the fixed plate, and a guide sleeve is correspondingly provided on the baffle. The inner wall of the guide sleeve has arc sections at both ends and a straight section in the middle. When the guide rod passes through the guide sleeve, the arc section can force the guide rod to be coaxial with the straight section, that is, the guide sleeve can slide straight on the guide rod without distortion. Guided by multiple guide sleeves and guide rods, the baffle can pass through the preset heat exchange tube in a straight direction without squeezing or rubbing against the outer wall of the tube, thus avoiding damage and facilitating the assembly between the heat exchange tube and the baffle.

[0014] 2. The fixing plate can be fixed in the pipe sleeve. When assembling the mounting plate, the pipe head of the heat exchange tube is in contact with the mounting plate. The side of the mounting plate facing away from the heat exchange tube is sealed between the heat exchange tube and the mounting plate through the head and the sealing ring. The opening of the head is provided with an inner hexagonal groove. The head can be screwed into the mounting plate through the inner hexagonal groove to achieve installation. The head size is small and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic structural diagram of an embodiment of the present utility model;

[0016] Figure 2 For the Figure 1 The AA line cross-section shown;

[0017] Figure 3 For the Figure 1 The BB line cross section is shown;

[0018] Figure 4 For the Figure 2 The CC line cross-section shown;

[0019] Figure 5 For the Figure 3 The DD line cross-section is shown;

[0020] Figure 6 for Figure 4 An enlarged view of part E is shown;

[0021] Figure 7 for Figure 5 An enlarged view of part F is shown;

[0022] Figure 8 This is a schematic diagram of the head structure of the utility model;

[0023] In the figure: 1. Pipe sleeve; 2. Pipe box; 3. Mounting plate; 4. Heat exchange tube; 41. Pipe head; 5. Head; 51. Connecting pipe; 52. Limiting ring; 53. Hexagonal socket; 6. Baffle; 61. Guide sleeve; 611. Arc section; 612. Straight section; 7. Guide rod; 8. Sealing ring; 9. Fixing plate. DETAILED DESCRIPTION

[0024] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0025] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0026] In the present invention, unless otherwise specified, directions such as "up" and "down" are usually relative to the directions shown in the drawings, or relative to the vertical, perpendicular or gravity direction; similarly, for ease of understanding and description, "left" and "right" are usually relative to the left and right shown in the drawings; "inside" and "outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned direction words are not used to limit the present invention.

[0027] See also Figure 1-8 , the utility model provides the following technical solutions:

[0028] A quick-install silicon carbide heat exchanger includes a pipe sleeve 1, a pipe box 2 is installed at the open end of the pipe sleeve 1, a fixing plate 9 is installed near the bottom of the pipe sleeve 1, and the fixing plate 9 can be installed by bolts or clamping rings. A number of heat exchange tubes 4 are passed through the fixing plate 9, and a number of baffles 6 are commonly passed through the heat exchange tubes 4. The baffles 6 are arranged at intervals. A mounting plate 3 is fixed between the pipe sleeve 1 and the pipe box 2. The open ends of the heat exchange tubes 4 are all in contact with the mounting plate 3. A head 5 is installed on the end of the mounting plate 3 facing away from the heat exchange tube 4, and the head 5 is sealed and connected to the heat exchange tube 4.

[0029] A plurality of guide rods 7 are symmetrically fixed on the fixing plate 9. The guide rods 7 are arranged in the same direction as the heat exchange tubes 4. The other ends of the guide rods 7 are connected to the mounting plate 3. A guide sleeve 61 is correspondingly provided on the baffle 6. The guide rods 7 and the guide sleeve 61 are correspondingly slidably connected.

[0030] The inner wall of the guide sleeve 61 is divided into three sections. The middle section of the inner wall of the guide sleeve 61 is a straight section 612. The straight section 612 is in contact with the guide rod 7. Both ends of the straight section 612 are arc sections 611. The inner end of the arc section 611 is tangent to the straight section 612. The outer end of the arc section 611 extends away from the axis. When the guide rod 7 passes through the guide sleeve 61, the arc section 611 pushes the guide rod 7 to make it coaxial with the guide sleeve 61. The straight section 612 limits the guide rod 7 so that the guide rod 7 and the guide sleeve 61 maintain a coaxial state. A plurality of guide sleeves 61 are provided on the baffle 6, and the guide rod 7 can limit the baffle 6 so that the baffle 6 can maintain a flat state when pushed into the heat exchange tube 4, thereby avoiding the hole groove of the baffle 6 from scratching the heat exchange tube 4, and facilitating the installation of the baffle 6.

[0031] The open end of the heat exchange tube 4 is a tube head 41, which is in an arc-shaped inward-contracted shape, so that the tube head 41 is easy to insert into the mounting plate 3. The side wall of the tube head 41 abuts against the mounting plate 3. After the heat exchange tube 4 is installed in the pipe sleeve 1, the mounting plate 3 is covered at the opening of the pipe sleeve 1. The mounting plate 3 can fix the opening position of the heat exchange tube 4, thereby fixing the heat exchange tube 4 in the pipe sleeve 1.

[0032] The head 5 includes a connecting pipe 51, the outer tube wall of the connecting pipe 51 is threadedly connected to the mounting plate 3, and a sealing ring 8 is installed between one end of the connecting pipe 51 in the mounting plate 3 and the pipe head 41. A limiting ring 52 is provided on the side of the connecting pipe 51 facing the pipe box 2, and the limiting ring 52 abuts against the mounting plate 3. An inner hexagonal groove 53 is provided on the side of the head 5 facing the pipe box 2. After the head 5 is screwed into the mounting plate 3 through the inner hexagonal groove 53, the connecting pipe 51 and the pipe head 41 jointly squeeze the sealing ring 8, so that a seal is achieved between the heat exchange tube 4 and the mounting plate 3 to avoid liquid leakage during use. The overall structural size of the head 5 is small. Compared with passing the open end of the heat exchange tube 4 through the mounting plate 3 as a whole, it avoids friction between the heat exchange tube 4 and the mounting plate 3 and the operation of aligning the hole groove, is easier to install, and at the same time ensures its sealing performance.

[0033] During installation, first, install the heat exchange tubes 4 on the fixing plate 9 in sequence, install the guide rod 7 on the fixing plate 9, and then push the heat exchange tubes 4 and the fixing plate 9 into the pipe sleeve 1 together until the fixing plate 9 moves to the preset position in the heat exchange tube 4, and fix the fixing plate 9 in the pipe sleeve 1;

[0034] Then, align the baffle plate 6 with the guide rod 7 and the heat exchange tube 4, push it into the corresponding position of the tube sleeve 1, and also fix the baffle plate 6 in the tube sleeve 1;

[0035] Then, the mounting plate 3 is placed over the opening of the pipe sleeve 1 so that the guide rod 7 and the pipe head 41 are respectively inserted into and abut against the mounting plate 3;

[0036] Place the sealing ring 8 into the hole groove from the other side of the mounting plate 3, and screw the head 5 into the corresponding hole groove through the hexagonal groove 53 until the limit ring 52 abuts against the plate surface of the mounting plate 3;

[0037] Finally, fix the pipe box 2 to the mounting plate 3 and the pipe sleeve 1 to complete the installation.

[0038] Specifically, a guide rod 7 is mounted on the fixed plate 9, and a guide sleeve 61 is correspondingly provided on the baffle 6. The inner wall of the guide sleeve 61 has arc sections 612 at both ends and a straight section 611 in the middle. When the guide rod 7 passes through the guide sleeve 61, the arc section 612 can force the guide rod 7 to be coaxial with the straight section 611, that is, the guide sleeve 61 can slide straight on the guide rod 7 without distortion. The baffle 6 can pass through the preset heat exchange tube 4 in a straight direction through the guidance of multiple guide sleeves 61 and the guide rod 7 without being squeezed or rubbed against the outer wall of the tube, thereby avoiding damage and facilitating the assembly between the heat exchange tube 4 and the baffle 6.

[0039] The fixing plate 9 can be fixed in the pipe sleeve 1. When the mounting plate 3 is assembled, the pipe head 41 of the heat exchange tube 4 abuts against the mounting plate 3. The side of the mounting plate 3 facing away from the heat exchange tube 4 is sealed between the heat exchange tube 4 and the mounting plate 3 through the head 5 and the sealing ring 8. An inner hexagonal groove 53 is provided at the opening of the head 5. The head 5 can be screwed into the mounting plate 3 through the inner hexagonal groove 53 to achieve installation. The head 5 is small in size and easy to operate.

[0040] Obviously, the embodiments described above are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0041] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, tasks, devices, components and / or combinations thereof.

[0042] It should be noted that the terms "first," "second," and the like in the specification and claims of this application and the accompanying drawings are used to distinguish similar pairs of elements and are not necessarily used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, such that the embodiments of the present application described herein can be implemented in an order other than that illustrated or described herein.

[0043] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A quick-install silicon carbide heat exchanger, comprising a tube sleeve (1), characterized in that: The open end of the pipe sleeve (1) is installed with a pipe box (2), and a fixed plate (9) is installed in the pipe sleeve (1). A plurality of heat exchange tubes (4) are passed through the fixed plate (9), and a plurality of baffles (6) are passed through the plurality of heat exchange tubes (4). The plurality of baffles (6) are arranged at intervals. A mounting plate (3) is fixed between the pipe sleeve (1) and the pipe box (2), and the open ends of the plurality of heat exchange tubes (4) are in contact with the mounting plate (3). A head (5) is installed at one end of the mounting plate (3) away from the heat exchange tube (4), and the head (5) is sealed and connected to the heat exchange tube (4). A plurality of guide rods (7) are symmetrically fixed on the fixed plate (9). The guide rod (7) and the heat exchange tube (4) are arranged in the same direction, the other end of the guide rod (7) is connected to the mounting plate (3), and a guide sleeve (61) is correspondingly provided on the deflector (6). The guide rod (7) and the guide sleeve (61) are correspondingly slidably connected, and the inner wall of the guide sleeve (61) is divided into three sections. The middle section of the inner wall of the guide sleeve (61) is a straight section (612), and the straight section (612) is in contact with the guide rod (7). Both ends of the straight section (612) are arc sections (611), the inner end of the arc section (611) is tangent to the straight section (612), and the outer end of the arc section (611) extends away from the axis.

2. The quick-install silicon carbide heat exchanger according to claim 1, characterized in that: The open end of the heat exchange tube (4) is a tube head (41), and the tube head (41) is in an arc-shaped inward-contracted shape. The side wall of the tube head (41) abuts against the mounting plate (3).

3. The quick-install silicon carbide heat exchanger according to claim 2, characterized in that: The sealing head (5) comprises a connecting pipe (51), the outer pipe wall of the connecting pipe (51) is threadedly connected to the mounting plate (3), and a sealing ring (8) is installed between one end of the connecting pipe (51) inside the mounting plate (3) and the pipe head (41).

4. The quick-install silicon carbide heat exchanger according to claim 3, characterized in that: A limiting ring (52) is provided on the side of the connecting pipe (51) facing the pipe box (2), the limiting ring (52) abuts against the mounting plate (3), and an inner hexagonal groove (53) is provided on the side of the sealing head (5) facing the pipe box (2).

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