Chemical heat exchanger

Abstract

The utility model discloses a chemical heat exchanger, which relates to the technical field of chemical heat exchangers and comprises a heat exchanger, a cold water inlet pipe is arranged on one side of the top of the heat exchanger, a filter component is arranged at the top of the heat exchanger, a hot water inlet pipe is arranged at the top of the filter component, and a cold water outlet pipe is arranged on one side of the bottom of the heat exchanger. A hot water outlet pipe is arranged on the other side of the bottom of the heat exchanger, the filtering assembly comprises a filtering box, a sealing top cover is arranged on the top of the filtering box, a filtering plate is arranged in the filtering box, and a cleaning assembly is arranged above the filtering plate. According to the heat exchanger, scale contained in hot water is treated through the arranged filter plate, so that the scale is prevented from entering the heat exchanger and precipitating in the heat exchanger to affect the service life of the heat exchanger, the filter box is connected with the sealing top cover through the arranged top plate and the fixed bolt, and the service life of the heat exchanger is prolonged. Therefore, the sealing top cover is convenient to disassemble and assemble.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical heat exchangers, in particular to a chemical heat exchanger. Background Art

[0002] Heat exchanger is a device that transfers part of the heat of hot fluid to cold fluid, also known as heat exchanger. Heat exchanger is a common equipment in chemical, petroleum, power, food and many other industrial sectors, and plays an important role in production. In chemical production, heat exchanger can be used as heater, cooler, condenser, evaporator and reboiler, etc., and its application is more extensive. Heat exchange equipment has different uses, various types and different performances, but they can all be classified into two categories: shell and tube structure and plate structure.

[0003] When the existing chemical heat exchanger is in use, cooling water enters the interior of the heat exchanger through a serpentine tube or a U-shaped tube, and hot water enters the interior of the heat exchanger from the water inlet pipe, and is then discharged through the water outlet pipe, thereby completing the heat exchange work. However, when the hot water enters the heat exchanger, the filtering effect of impurities and scale contained in the hot water is not ideal, which causes the scale to clog the heat exchanger and shorten the service life of the heat exchanger. Therefore, it is necessary to provide a chemical heat exchanger to solve the problem. Utility Model Content

[0004] The main purpose of the utility model is to provide a chemical heat exchanger, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A chemical heat exchanger, comprising a heat exchanger, wherein a cold water inlet pipe is arranged on one side of the top of the heat exchanger, a filter assembly is arranged on the top of the heat exchanger, a hot water inlet pipe is arranged on the top of the filter assembly, a cold water outlet pipe is arranged on one side of the bottom of the heat exchanger, a hot water outlet pipe is arranged on the other side of the bottom of the heat exchanger, and a partition frame is arranged inside the heat exchanger;

[0007] The filter assembly comprises a filter box, a sealing top cover is arranged on the top of the filter box, a filter plate is arranged inside the filter box, a cleaning assembly is arranged above the filter plate, a mounting plate is arranged on the outer wall of the filter box, a rotating rod is arranged on the top of the mounting plate, a top plate is arranged on the top of the rotating rod, and a fixing bolt is arranged in the middle of one side of the top plate;

[0008] The cleaning component includes a mounting groove, a lead screw is arranged inside the mounting groove, a rotating handle is arranged at one end of the lead screw, a moving block is arranged outside the lead screw, a mounting cross plate is arranged on the side of the moving block, and a cleaning brush is arranged on the side of the mounting cross plate.

[0009] Preferably, a connecting pipe is installed in the middle of the bottom of the filter box, and the connecting pipe is connected to the middle of the filter box, the bottom end of the connecting pipe is connected to the interior of the heat exchanger, the filter box is fixedly connected to the hot water inlet pipe, and the hot water inlet pipe and the connecting pipe are connected to each other, and a sealing gasket is provided at the bottom of the sealing top cover, and the outer wall of the sealing gasket is in contact with the inner wall of the filter box.

[0010] Preferably, the filter box is connected to the filter plate by bolts, and the filter plate is located between the hot water inlet pipe and the connecting pipe, the filter box is connected to the mounting plate by bolts, and there are four mounting plates, which are symmetrically distributed on the outer walls of both sides of the filter box, the mounting plate is rotatably connected to the rotating rod, and the top of the rotating rod is connected to the top plate by bolts, the middle of one end of the top plate away from the rotating rod is connected to the fixing bolt by a thread, and the bottom end of the fixing bolt is inserted into the top of the sealing top cover.

[0011] Preferably, the mounting groove is opened on the inner wall of the filter box, and the mounting groove is arranged adjacent to the filter plate. There are two mounting grooves, which are symmetrically distributed on the inner walls on both sides of the filter box. The interior of the mounting groove is connected to the screw through a bearing, and one end of the screw passes through the filter box through the bearing.

[0012] Preferably, the lead screw passes through one end of the filter box and is clamped together with a rotating handle, the rotating handle is located outside the filter box, the lead screw is slidably connected to the moving block, and the outer wall of the moving block is slidably connected to the inner wall of the mounting groove, the side of the moving block is connected to the mounting cross plate by bolts, and the mounting cross plate is connected to the inner walls of the filter box on both sides, and the mounting cross plate is located above the filter plate.

[0013] Preferably, the mounting cross plate is connected to the cleaning brush by bolts, and there are two cleaning brushes, which are symmetrically distributed on both sides of the mounting cross plate, the bottom of the cleaning brush is in contact with the top of the filter plate, a collecting box is installed on the outer wall of one side of the filter box by bolts, a guide plate is installed inside the collecting box by bolts, and the guide plate is installed inside the collecting box at an inclined angle, a discharge port is opened on the side of the filter box close to the collecting box, and the collecting box is located inside the side of the collecting box close to the discharge port.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. The scale contained in the hot water is processed by the filter plate, thereby preventing the scale from entering the inside of the heat exchanger and settling inside the heat exchanger, which affects the service life of the heat exchanger. The filter box and the sealing top cover are connected by the top plate and fixing bolts, which facilitates the removal and installation of the sealing top cover and the maintenance and removal of the equipment inside the filter box.

[0016] 2. The scale and impurities accumulated on the surface of the filter plate are cleaned by the provided cleaning component. The provided moving block drives the installation cross plate and the cleaning brush to move along the outer wall of the lead screw. During the movement, the impurities and scale generated by filtration on the filter plate are cleaned to prevent the accumulation of scale and impurities on the filter plate to cause blockage and affect the filtering effect of the filter plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model device;

[0018] Figure 2 It is a schematic diagram of the structure inside the heat exchanger of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the filter assembly of the utility model;

[0020] Figure 4 This utility model Figure 3 The enlarged structural diagram at A in the middle;

[0021] Figure 5 It is a schematic diagram of the structure inside the filter box of the utility model;

[0022] Figure 6 This utility model Figure 5 Schematic diagram of the enlarged structure at point B.

[0023] In the figure: 1. heat exchanger; 2. cold water inlet pipe; 3. cold water outlet pipe; 4. hot water outlet pipe; 5. hot water inlet pipe; 6. partition frame; 7. filter assembly; 8. filter box; 9. sealing top cover; 10. filter plate; 11. connecting pipe; 12. mounting plate; 13. rotating rod; 14. top plate; 15. fixing bolt; 16. cleaning assembly; 17. mounting groove; 18. screw; 19. rotating handle; 20. moving block; 21. mounting cross plate; 22. cleaning brush; 23. collecting box; 24. guide plate. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] See also Figure 1-Figure 6 As shown, a chemical heat exchanger comprises a heat exchanger 1, a cold water inlet pipe 2 is arranged on one side of the top of the heat exchanger 1, a filter assembly 7 is arranged on the top of the heat exchanger 1, a hot water inlet pipe 5 is arranged on the top of the filter assembly 7, a cold water outlet pipe 3 is arranged on one side of the bottom of the heat exchanger 1, a hot water outlet pipe 4 is arranged on the other side of the bottom of the heat exchanger 1, and a partition frame 6 is arranged inside the heat exchanger 1;

[0026] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, the filter assembly 7 includes a filter box 8, a sealed top cover 9 is provided on the top of the filter box 8, a filter plate 10 is provided inside the filter box 8, and a cleaning assembly 16 is provided above the filter plate 10, a mounting plate 12 is provided on the outer wall of the filter box 8, and a rotating rod 13 is provided on the top of the mounting plate 12, a top plate 14 is provided on the top of the rotating rod 13, and a fixing bolt 15 is provided in the middle of one side of the top plate 14, a connecting pipe 11 is installed in the middle of the bottom of the filter box 8, and the connecting pipe 11 is communicated with the middle of the filter box 8, and the bottom end of the connecting pipe 11 is communicated to the inside of the heat exchanger 1, the filter box 8 is fixedly connected to the hot water inlet pipe 5, and the hot water inlet pipe 5 is communicated with the connecting pipe 11, a sealing gasket is provided at the bottom of the sealing top cover 9, and the outer wall of the sealing gasket is in contact with the inner wall of the filter box 8, the filter box 8 is connected to the filter plate 10 by bolts, and the filter plate 1 0 is located between the hot water inlet pipe 5 and the connecting pipe 11, the filter box 8 is connected to the mounting plate 12 by bolts, and there are four mounting plates 12, which are symmetrically distributed on the outer walls of both sides of the filter box 8, the mounting plate 12 is rotatably connected to the rotating rod 13, and the top of the rotating rod 13 is connected to the top plate 14 by bolts, and the middle of the end of the top plate 14 away from the rotating rod 13 is connected to the fixing bolt 15 by a thread, and the bottom end of the fixing bolt 15 is inserted into the top of the sealing top cover 9, and the scale contained in the hot water is processed by the provided filter plate 10, so as to prevent the scale from entering the interior of the heat exchanger 1 and being precipitated inside the heat exchanger 1 to affect the service life of the heat exchanger 1, and the filter box 8 is connected to the sealing top cover 9 by the provided top plate 14 and the fixing bolt 15, so as to facilitate the disassembly and installation of the sealing top cover 9, and facilitate the maintenance and disassembly of the equipment inside the filter box 8;

[0027] See also Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6As shown, the cleaning assembly 16 includes a mounting groove 17, a lead screw 18 is arranged inside the mounting groove 17, a rotating handle 19 is arranged at one end of the lead screw 18, and a moving block 20 is arranged outside the lead screw 18, a mounting cross plate 21 is arranged on the side of the moving block 20, and a cleaning brush 22 is arranged on the side of the mounting cross plate 21, the mounting groove 17 is opened on the inner wall of the filter box 8, and the mounting groove 17 is arranged adjacent to the filter plate 10, and there are two mounting grooves 17, which are symmetrically distributed on the inner walls of both sides of the filter box 8 The interior of the mounting groove 17 is connected to the lead screw 18 through a bearing, and one end of the lead screw 18 passes through the filter box 8 through the bearing, and one end of the lead screw 18 passes through the filter box 8 and is clamped together with the rotating handle 19, and the rotating handle 19 is located outside the filter box 8. The lead screw 18 is slidably connected to the moving block 20, and the outer wall of the moving block 20 is slidably connected to the inner wall of the mounting groove 17, and the side of the moving block 20 is connected to the mounting cross plate 21 through bolts, and the mounting cross plate 21 is connected to the inner walls of the filter box 8 on both sides, and the mounting cross plate 21 is connected to the inner walls of the filter box 8 on both sides. The plate 21 is located above the filter plate 10, the mounting cross plate 21 is connected to the cleaning brush 22 by bolts, and there are two cleaning brushes 22, which are symmetrically distributed on both sides of the mounting cross plate 21, and the bottom of the cleaning brush 22 contacts the top of the filter plate 10. A collecting box 23 is installed on the outer wall of one side of the filter box 8 by bolts, and a guide plate 24 is installed inside the collecting box 23 by bolts, and the guide plate 24 is installed inside the collecting box 23 at an inclined angle. A discharge port is provided on the side of the filter box 8 close to the collecting box 23, and the collecting box 23 is located inside the side of the collecting box 23 close to the discharge port. The cleaning component 16 is set to clean the scale and impurities accumulated on the surface of the filter plate 10, and the moving block 20 is set to drive the mounting cross plate 21 and the cleaning brush 22 to move along the outer wall of the lead screw 18, and the impurities and scale generated by filtration on the filter plate 10 are cleaned during the movement, so as to prevent the scale and impurities from accumulating on the filter plate 10 and causing blockage, thereby affecting the filtering effect of the filter plate 10.

[0028] It should be noted that the utility model is a chemical heat exchanger. When in use, cooling water is input into the interior of the heat exchanger 1 through the provided cold water inlet pipe 2, so that the cooling water enters the U-shaped tube inside the heat exchanger 1, and then is discharged through the provided cold water outlet pipe 3, so that the hot water that needs to be heat exchanged enters the interior of the heat exchanger 1 through the hot water inlet pipe 5 and the filter box 8, and the hot water enters the interior of the filter box 8 through the hot water inlet pipe 5. The filter box 8 is provided with a filter plate 10, so that the hot water passes through the filter plate 10 to filter the impurities and scale contained therein, so as to prevent the impurities and scale from entering the interior of the heat exchanger 1 and affecting the service life of the heat exchanger 1. After a period of use, the rotating handle 19 outside the filter box 8 is rotated to make the rotating handle 19 drive the lead screw 18 to rotate, and at the same time, the moving block 20 drives the mounting cross plate 21 and the cleaning brush 22 to move along the outer wall of the rotating handle 19, and in the process of movement, the impurities and scale accumulated on the surface of the filter plate 10 are cleaned, so that the impurities enter the interior of the collection box 23 through the discharge port provided on the side of the filter box 8, and the impurities are guided by the guide plate 24 arranged inside the collection box 23, and at the same time, the impurities inside the collection box 23 are blocked. When disassembling again, the fixing bolt 15 on the top of the sealing top cover 9 is rotated to separate the fixing bolt 15 from the sealing top cover 9, and then the top plate 14 is rotated to make the top plate 14 drive the rotating rod 13 to rotate along the top of the mounting plate 12, thereby realizing the separation of the sealing top cover 9 and the filter box 8, thereby facilitating the inspection and disassembly of the filter plate 10 and the cleaning assembly 16 inside the filter box 8.

[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A chemical heat exchanger, comprising a heat exchanger (1), characterized in that: A cold water inlet pipe (2) is arranged on one side of the top of the heat exchanger (1), and a filter assembly (7) is arranged on the top of the heat exchanger (1), a hot water inlet pipe (5) is arranged on the top of the filter assembly (7), a cold water outlet pipe (3) is arranged on one side of the bottom of the heat exchanger (1), and a hot water outlet pipe (4) is arranged on the other side of the bottom of the heat exchanger (1), and a partition frame (6) is arranged inside the heat exchanger (1); The filter assembly (7) comprises a filter box (8), a sealing top cover (9) is arranged on the top of the filter box (8), a filter plate (10) is arranged inside the filter box (8), and a cleaning assembly (16) is arranged above the filter plate (10), a mounting plate (12) is arranged on the outer wall of the filter box (8), a rotating rod (13) is arranged on the top of the mounting plate (12), a top plate (14) is arranged on the top of the rotating rod (13), and a fixing bolt (15) is arranged in the middle of one side of the top plate (14); The cleaning assembly (16) comprises a mounting groove (17), a lead screw (18) is arranged inside the mounting groove (17), a rotating handle (19) is arranged at one end of the lead screw (18), a moving block (20) is arranged outside the lead screw (18), a mounting cross plate (21) is arranged on the side of the moving block (20), and a cleaning brush (22) is arranged on the side of the mounting cross plate (21).

2. A chemical heat exchanger according to claim 1, characterized in that: A connecting pipe (11) is installed in the middle of the bottom of the filter box (8), and the connecting pipe (11) is connected to the middle of the filter box (8), and the bottom end of the connecting pipe (11) is connected to the inside of the heat exchanger (1). The filter box (8) is fixedly connected to the hot water inlet pipe (5), and the hot water inlet pipe (5) and the connecting pipe (11) are connected to each other. A sealing gasket is provided at the bottom of the sealing top cover (9), and the outer wall of the sealing gasket is in contact with the inner wall of the filter box (8).

3. A chemical heat exchanger according to claim 2, characterized in that: The filter box (8) is connected to the filter plate (10) by bolts, and the filter plate (10) is located between the hot water inlet pipe (5) and the connecting pipe (11). The filter box (8) is connected to the mounting plate (12) by bolts, and there are four mounting plates (12), which are symmetrically distributed on the outer walls of both sides of the filter box (8). The mounting plate (12) is rotatably connected to the rotating rod (13), and the top of the rotating rod (13) is connected to the top plate (14) by bolts. The middle of one end of the top plate (14) away from the rotating rod (13) is connected to the fixing bolt (15) by thread, and the bottom end of the fixing bolt (15) is inserted into the top of the sealing top cover (9).

4. A chemical heat exchanger according to claim 1, characterized in that: The mounting groove (17) is formed on the inner wall of the filter box (8), and the mounting groove (17) is arranged adjacent to the filter plate (10). There are two mounting grooves (17), which are symmetrically distributed on the inner walls of both sides of the filter box (8). The interior of the mounting groove (17) is connected to the lead screw (18) via a bearing, and one end of the lead screw (18) passes through the filter box (8) via the bearing.

5. A chemical heat exchanger according to claim 4, characterized in that: One end of the lead screw (18) passes through the filter box (8) and is clamped together with a rotating handle (19), and the rotating handle (19) is located outside the filter box (8). The lead screw (18) is slidably connected to the moving block (20), and the outer wall of the moving block (20) is slidably connected to the inner wall of the mounting groove (17). The side of the moving block (20) is connected to the mounting cross plate (21) by bolts, and the mounting cross plate (21) is connected to the inner walls of the filter box (8) on both sides, and the mounting cross plate (21) is located above the filter plate (10).

6. A chemical heat exchanger according to claim 5, characterized in that: The mounting cross plate (21) is connected to the cleaning brush (22) by bolts, and there are two cleaning brushes (22), which are symmetrically distributed on both sides of the mounting cross plate (21), and the bottom of the cleaning brush (22) is in contact with the top of the filter plate (10). A collection box (23) is installed on the outer wall of one side of the filter box (8) by bolts, and a guide plate (24) is installed inside the collection box (23) by bolts, and the guide plate (24) is installed inside the collection box (23) at an inclined angle. A discharge port is opened on a side of the filter box (8) close to the collection box (23), and the collection box (23) is located inside the side of the collection box (23) close to the discharge port.

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