Heat exchanger with filtering structure

Abstract

The utility model discloses a heat exchanger with a filtering structure, relates to the technical field of heat exchanger structures, and aims to solve the problem that heat exchange tubes in the heat exchanger are possibly blocked due to the fact that sundries can enter the heat exchanger because the conventional heat exchanger does not have a good filtering function. A first pipe box is installed on one side of the heat exchanger shell, a second pipe box is installed on the other side of the heat exchanger shell, a second fluid inlet base is arranged at the upper end of the first pipe box, a second fluid outlet base is arranged at the lower end of the second pipe box, and a first filtering device is installed in the second fluid inlet base. A fixing seat is arranged at the lower end of the limiting seat, a filter screen is arranged at the lower end of the fixing seat, a second filter device is installed in the first fluid inlet seat, a limiting installation seat is arranged at one end in the first pipe box, and a filter plate is installed on one side of the limiting installation seat.

Description

Technical Field

[0001] The utility model relates to the technical field of heat exchanger structures, in particular to a heat exchanger with a filtering structure. Background Art

[0002] A heat exchanger is a device used to transfer heat from a hot fluid to a cold fluid to meet specified process requirements. It is an industrial application of convective heat transfer and heat conduction. Heat exchangers can be classified in different ways. According to their operating process, they can be divided into three categories: partition type, hybrid type, and heat storage type (or heat recovery type); according to the compactness of their surface, they can be divided into compact type and non-compact type.

[0003] After searching, the authorization announcement number CN215447573U discloses a heat exchanger with a filtering structure, including an outer shell, an inner shell disposed inside the outer shell, the outer shell and the inner shell forming a heat exchange chamber, a connecting pipe plugged into the top of the inner shell, a discharge pipe and a feed pipe plugged into the outer wall of one side of the outer shell, one end of each of the discharge pipe and the feed pipe in contact with the circumferential outer wall of the inner shell, a guide pipe plugged into one side of each of the discharge pipe and the feed pipe, the guide pipe being located inside the heat exchange chamber, and a filter frame fixedly connected to the circumferential inner wall of the inner shell. The provided filter pipe and filter frame can effectively filter the fluid added to the inner shell, preventing impurities in the fluid from adhering to the inner wall of the inner shell or the inner wall of the connecting pipe, forming dirt and reducing the service life of the heat exchanger.

[0004] However, the existing heat exchangers do not have a good filtering function, which may allow debris to enter the interior of the heat exchanger, thereby causing the heat exchange tubes inside the heat exchanger to be blocked. Therefore, the market is in urgent need of a heat exchanger with a filtering structure to solve these problems. Utility Model Content

[0005] The purpose of the present utility model is to provide a heat exchanger with a filtering structure to solve the problem that the existing heat exchanger proposed in the above background technology does not have a good filtering function, which allows debris to enter the interior of the heat exchanger, thereby causing the heat exchange tubes inside the heat exchanger to be blocked.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: A heat exchanger with a filtering structure, comprising a heat exchanger shell, a lifting seat is provided at the upper end of the heat exchanger shell, a support frame is installed below the heat exchanger shell, mounting flange seats are provided at both ends of the heat exchanger shell, a fluid inlet seat is provided on one side of the lower end of the heat exchanger shell, a fluid outlet seat is provided on one side of the upper end of the heat exchanger shell, a pipe box 1 is installed on one side of the heat exchanger shell, a pipe box 2 is installed on the other side of the heat exchanger shell, a fluid inlet seat is provided on the upper end of the pipe box 1, a fluid outlet seat is provided on the lower end of the pipe box 2, a filter device 1 is installed inside the fluid inlet seat, the filter device 1 comprises a limit seat, a fixing seat and a filter screen, a fixing seat is provided at the lower end of the fixing seat, a filter screen is provided at the lower end of the fixing seat, a filter device 2 is installed inside the fluid inlet seat, a limit mounting seat is provided at one end inside the pipe box 1, and a filter plate is installed on one side of the limit mounting seat.

[0007] Preferably, the lifting seat is welded to the heat exchanger shell, and the support frame is welded to the heat exchanger shell, and two of the lifting seat and the support frame are provided.

[0008] Preferably, a heat exchange pipe is installed inside the heat exchanger shell, and a baffle is installed at one end of the heat exchange pipe.

[0009] Preferably, one end of the pipe box one is provided with a connecting flange seat one, and the connecting flange seat one is fixedly connected to the mounting flange seat provided at one end of the heat exchanger shell by a fixing bolt one, and one end of the pipe box two is provided with a connecting flange seat two, and the connecting flange seat two is fixedly connected to the mounting flange seat provided at the other end of the heat exchanger shell by a fixing bolt two.

[0010] Preferably, a limiting mounting groove is provided at the upper end of the fluid second entry seat, a sealing gasket is installed inside the limiting mounting groove, the sealing gasket and the limiting mounting groove are connected by gluing, and a mounting thread is provided at one end of the inner wall of the limiting mounting groove.

[0011] Preferably, the limiting seat and the fixing seat are an integrated structure, the fixing seat and the filter screen are an integrated structure, the outer wall of the fixing seat is provided with fixing threads corresponding to the installation threads, the interior of the filter screen is provided with filter holes, and there are several filter holes, and the several filter holes are evenly distributed inside the filter screen.

[0012] Preferably, the filter plate is fixedly connected to the limiting mounting seat by fixing screws.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. This heat exchanger with a filtering structure can be conveniently installed by installing the filter device 1 into the interior of the fluid inlet seat 2, and the fixing threads provided on the fixing seat correspond to the mounting threads provided inside the fluid inlet seat 2. The sealing effect can be improved by the installed sealing gasket. In this way, when the fluid 2 enters the interior of the pipe box 1 from the fluid inlet seat 2, the filter mesh 16 provided in the filter device 1 can effectively filter out the debris inside the fluid.

[0015] 2. In this heat exchanger with a filtering structure, the filtered fluid enters the interior of the pipe box 1, and then is further filtered through the filter plate, which can prevent debris from entering the interior of the heat exchange pipe and causing damage to the heat exchange pipe. The installed filtering device 2 can filter the fluid 1 entering from the fluid inlet seat 1, which can prevent debris from entering the interior of the heat exchanger shell, thus protecting the heat exchanger well. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is an overall three-dimensional diagram of the utility model;

[0017] Figure 2 It is a partial cross-sectional view of the utility model;

[0018] Figure 3 This is a three-dimensional diagram of the filter device of the present invention;

[0019] Figure 4 For the utility model Figure 2 A partial enlarged view of area A.

[0020] In the figure: 1. Heat exchanger shell; 101. Mounting flange seat; 2. Lifting seat; 3. Fluid inlet seat 1; 4. Fluid outlet seat 1; 5. Heat exchange pipe; 6. Baffle; 7. Pipe box 1; 701. Connecting flange seat 1; 702. Limit mounting seat; 8. Fixing bolt 1; 9. Pipe box 2; 901. Connecting flange seat 2; 10. Fixing bolt 2; 11. Fluid inlet seat 2; 1101. Limit mounting groove; 1102. Mounting thread; 12. Fluid outlet seat 2; 13. Filter device 1; 14. Limit seat; 15. Fixing seat; 1501. Fixing thread; 16. Filter screen; 1601. Filter hole; 17. Filter device 2; 18. Sealing gasket; 19. Support frame; 20. Filter plate; 21. Fixing screw. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] See also Figure 1-4 The utility model provides an embodiment: a heat exchanger with a filtering structure, comprising a heat exchanger shell 1, a lifting seat 2 is provided at the upper end of the heat exchanger shell 1, a support frame 19 is installed below the heat exchanger shell 1, mounting flange seats 101 are provided at both ends of the heat exchanger shell 1, a fluid inlet seat 3 is provided on one side of the lower end of the heat exchanger shell 1, a fluid outlet seat 4 is provided on one side of the upper end of the heat exchanger shell 1, a pipe box 1 7 is installed on one side of the heat exchanger shell 1, a pipe box 2 9 is installed on the other side of the heat exchanger shell 1, a fluid inlet seat 11 is provided on the upper end of the pipe box 1 7, and a fluid inlet seat 11 is provided on the lower end of the pipe box 2 9. There is a fluid discharge seat 12, and a filter device 13 is installed inside the fluid entry seat 11. The filter device 13 includes a limit seat 14, a fixed seat 15 and a filter screen 16. The lower end of the limit seat 14 is provided with a fixed seat 15, and the lower end of the fixed seat 15 is provided with a filter screen 16. The fluid entry seat 3 is provided with a filter device 2 17. A limit mounting seat 702 is provided at one end of the pipe box 7, and a filter plate 20 is installed on one side of the limit mounting seat 702. It should be noted that in order to save space and highlight the innovative elements of this patent, such as the specific heat exchange working principle and working process of the heat exchanger, will not be repeated in this patent.

[0023] During use, the filter device 13 is installed into the interior of the fluid 2 inlet seat 11, and the filter device 13 can be conveniently installed through the fixing thread 1501 set by the fixing seat 15 and the installation thread 1102 set corresponding to the interior of the fluid 2 inlet seat 11. The sealing effect can be improved by the installed sealing gasket 18. In this way, when the fluid 2 enters the pipe box 17 from the fluid 2 inlet seat 11, the filter mesh 16 set by the filter device 13 can filter the debris inside the fluid very well. The filtered fluid enters the interior of the pipe box 7, and then is further filtered by the filter plate 20. This can prevent debris from entering the interior of the heat exchange pipe 5 and causing damage to the heat exchange pipe 5. The installed filter device 2 17 can filter the fluid 1 entering from the fluid 1 inlet seat 3.

[0024] See also Figure 1 The lifting seat 2 is welded to the heat exchanger shell 1, and the support frame 19 is welded to the heat exchanger shell 1. There are two lifting seats 2 and two support frames 19, which can make the structure between the lifting seat 2 and the heat exchanger shell 1 more solid, and can make the structure between the support frame 19 and the heat exchanger shell 1 more solid. The lifting seat 2 can be conveniently moved and transported, and the support frame 19 can be conveniently supported.

[0025] See also Figure 2A heat exchange pipe 5 is installed inside the heat exchanger shell 1, and a baffle 6 is installed at one end of the heat exchange pipe 5. Heat exchange can be performed through the installed heat exchange pipe 5, and the installed baffle 6 can improve the heat exchange efficiency.

[0026] See also Figure 1 One end of the pipe box 7 is provided with a connecting flange seat 701, and the connecting flange seat 701 and the mounting flange seat 101 provided at one end of the heat exchanger shell 1 are fixedly connected by a fixing bolt 8. One end of the pipe box 2 9 is provided with a connecting flange seat 2 901, and the connecting flange seat 2 901 and the mounting flange seat 101 provided at the other end of the heat exchanger shell 1 are fixedly connected by a fixing bolt 2 10, which can conveniently install and fix the pipe box 7 and the heat exchanger shell 1, and can conveniently install and fix the pipe box 2 9 and the heat exchanger shell 1.

[0027] See also Figure 2 and Figure 4 A limiting mounting groove 1101 is provided at the upper end of the seat 11 where the second fluid enters, and a sealing gasket 18 is installed inside the limiting mounting groove 1101. The sealing gasket 18 and the limiting mounting groove 1101 are connected by gluing, and a mounting thread 1102 is provided at one end of the inner wall of the limiting mounting groove 1101, which can conveniently install and fix the sealing gasket 18 and the limiting mounting groove 1101, and the installed sealing gasket 18 can improve the sealing effect.

[0028] See also Figure 2 . Figure 3 and Figure 4 The limiting seat 14 and the fixing seat 15 are an integrated structure, and the fixing seat 15 and the filter screen 16 are an integrated structure. The outer wall of the fixing seat 15 is provided with fixing threads 1501 corresponding to the installation threads 1102. The interior of the filter screen 16 is provided with filter holes 1601. There are several filter holes 1601, and the several filter holes 1601 are evenly distributed inside the filter screen 16, which can make the structure between the limiting seat 14 and the fixing seat 15 more solid, and can make the structure between the fixing seat 15 and the filter screen 16 more solid. The filter device 13 can be conveniently installed and fixed through the corresponding installation threads 1102 and the fixing threads 1501, and the debris inside the fluid can be conveniently filtered through the provided filter holes 1601.

[0029] See also Figure 2 The filter plate 20 is fixedly connected to the limiting mounting seat 702 by fixing screws 21, so that the filter plate 20 and the limiting mounting seat 702 can be conveniently installed and fixed. The installed filter plate 20 can further filter the debris in the fluid to prevent the debris from entering the interior of the heat exchange pipe 5 and causing damage to the heat exchange pipe 5.

[0030] Working principle: When in use, the filter device 13 is installed into the interior of the fluid 2 inlet seat 11, and the filter device 13 can be easily installed through the fixing thread 1501 set by the fixing seat 15 and the installation thread 1102 set corresponding to the interior of the fluid 2 inlet seat 11. The sealing effect can be improved by the installed sealing gasket 18. In this way, when the fluid 2 enters the pipe box 1 7 from the fluid 2 inlet seat 11, the filter mesh 16 set by the filter device 13 can filter the debris inside the fluid very well. The filtered fluid enters the interior of the pipe box 7 and is further filtered by the filter plate 20. This can prevent debris from entering the interior of the heat exchange pipe 5 and causing damage to the heat exchange pipe 5. The installed filter device 2 17 can filter the fluid 1 entering from the fluid 1 inlet seat 3, so as to prevent debris from entering the interior of the heat exchanger shell 1, which can well protect this type of heat exchanger.

[0031] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A heat exchanger with a filtering structure, comprising a heat exchanger housing (1), characterized in that: The upper end of the heat exchanger shell (1) is provided with a lifting seat (2), a support frame (19) is installed below the heat exchanger shell (1), both ends of the heat exchanger shell (1) are provided with mounting flange seats (101), one side of the lower end of the heat exchanger shell (1) is provided with a fluid inlet seat (3), one side of the upper end of the heat exchanger shell (1) is provided with a fluid outlet seat (4), one side of the heat exchanger shell (1) is provided with a pipe box (7), the other side of the heat exchanger shell (1) is provided with a pipe box (9), the upper end of the pipe box (7) is provided with a fluid inlet seat (11), the pipe box (7) is provided with a fluid outlet seat (11), the pipe box (7) is provided with a fluid outlet seat (11), the pipe box (7) is provided with a fluid outlet seat (11), the pipe box (7) is provided with a fluid outlet seat (11), the pipe box (7) is provided with a fluid outlet seat (11), the pipe box (7) is provided with a fluid outlet seat (11), the pipe box (7) is provided with a fluid outlet seat (11), the pipe box (7) is provided with a fluid outlet seat (11), the pipe box (7) is provided with a fluid outlet seat (11), the pipe box (7) is provided with a fluid outlet seat (11), the pipe box (1 ... The lower end of the box 2 (9) is provided with a fluid 2 discharge seat (12), the interior of the fluid 2 inlet seat (11) is provided with a filter device 1 (13), the filter device 1 (13) comprises a limit seat (14), a fixed seat (15) and a filter screen (16), the lower end of the limit seat (14) is provided with a fixed seat (15), the lower end of the fixed seat (15) is provided with a filter screen (16), the interior of the fluid 1 inlet seat (3) is provided with a filter device 2 (17), one end of the interior of the pipe box 1 (7) is provided with a limit mounting seat (702), and a filter plate (20) is installed on one side of the limit mounting seat (702).

2. The heat exchanger with a filtering structure according to claim 1, characterized in that: The lifting seat (2) is welded to the heat exchanger shell (1), and the support frame (19) is welded to the heat exchanger shell (1). Two of the lifting seat (2) and the support frame (19) are provided.

3. The heat exchanger with a filtering structure according to claim 2, characterized in that: A heat exchange pipe (5) is installed inside the heat exchanger shell (1), and a baffle (6) is installed at one end of the heat exchange pipe (5).

4. The heat exchanger with a filtering structure according to claim 3, characterized in that: One end of the pipe box (7) is provided with a connecting flange seat (701), and the connecting flange seat (701) is fixedly connected to the mounting flange seat (101) provided at one end of the heat exchanger shell (1) by a fixing bolt (8). One end of the pipe box (9) is provided with a connecting flange seat (901), and the connecting flange seat (901) is fixedly connected to the mounting flange seat (101) provided at the other end of the heat exchanger shell (1) by a fixing bolt (10).

5. The heat exchanger with a filtering structure according to claim 4, characterized in that: A limiting installation groove (1101) is provided at the upper end of the fluid second entry seat (11), a sealing gasket (18) is installed inside the limiting installation groove (1101), the sealing gasket (18) and the limiting installation groove (1101) are connected by gluing, and a mounting thread (1102) is provided at one end of the inner wall of the limiting installation groove (1101).

6. The heat exchanger with a filtering structure according to claim 5, characterized in that: The limiting seat (14) and the fixing seat (15) are an integrated structure, and the fixing seat (15) and the filter screen (16) are an integrated structure. The outer wall of the fixing seat (15) is provided with fixing threads (1501) corresponding to the mounting threads (1102). The filter screen (16) is provided with filter holes (1601) inside. There are a plurality of filter holes (1601), and the plurality of filter holes (1601) are evenly distributed inside the filter screen (16).

7. The heat exchanger with a filtering structure according to claim 6, characterized in that: The filter plate (20) is fixedly connected to the position-limiting mounting seat (702) via fixing screws (21).

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