Drying heat exchanger with self-cleaning function

Abstract

The utility model discloses a drying heat exchanger with a self-cleaning function, which relates to the technical field of drying heat exchangers and comprises supporting legs, a device body and a sealing ring, a steam inlet pipe is connected above the outer wall of one side of the device body, and a steam outlet pipe is connected below the outer wall of the other side of the device body. A cold air pipe is installed on the inner side of the device body, cleaning plates are connected to the bottom ends of threaded sleeves, a discharging pipe is connected to the lower portion of the device body, a collecting box is connected to the lower portion of the discharging pipe, and a sealing ring is installed on the inner wall of the upper portion of the collecting box. Clean impurities enter the collecting box through the discharging pipe, the locking sleeve is rotated and matched through threads, the locking sleeve moves downwards, meanwhile, the reset spring and the clamping rod are far away from the interior of the locking sleeve, then the reset spring resets to enable the clamping rod to be far away from the interior of the clamping groove, the collecting box is disassembled, the impurity cleaning function is facilitated, and the problem that the impurities are inconvenient to clean is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of drying heat exchangers, in particular to a drying heat exchanger with a self-cleaning function. Background Art

[0002] A drying heat exchanger is an important device that uses the heat of high-temperature flue gas or steam to heat the air, thereby achieving the purpose of drying materials. The main function of this equipment is to transfer the heat of high-temperature flue gas or steam to the air to achieve the purpose of drying materials. The heat that would otherwise be wasted is effectively utilized, realizing energy recovery and reuse. During the heat exchange process, the outer wall of the water pipe will accumulate scale over time, thereby affecting the effect of heat exchange, and the impurities that are cleaned are inconvenient to clean, affecting the performance of the device. In view of this, in-depth research was conducted on the above-mentioned problems, and this case came into being. Utility Model Content

[0003] The utility model aims to provide a drying heat exchanger with a self-cleaning function to solve the problem that the existing drying heat exchanger with a self-cleaning function mentioned in the background technology does not have the self-cleaning function and is not easy to clean impurities.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a drying heat exchanger with a self-cleaning function, comprising a supporting leg, a device body and a sealing ring, the device body is installed above the supporting leg, a control panel is installed on the outer wall of one side of the supporting leg, a steam inlet pipe is connected to the upper part of the outer wall of one side of the device body, a steam outlet pipe is connected to the lower part of the outer wall of the other side of the device body, a cold air duct is installed on the inner side of the device body, threaded rods are installed on the inner walls at both ends above the device body, and threaded sleeves are threadedly installed on the outer walls of the threaded rods, cleaning plates are connected to the bottom ends of the threaded sleeves, a feed pipe is connected below the device body, and a collection box is connected below the feed pipe, and a sealing ring is installed on the inner wall above the collection box.

[0005] Preferably, the inner walls at both ends of the cleaning plate are both installed with mounting shafts, one end of the mounting shaft is connected to a driving motor, and a cleaning brush belt is installed between the outer walls of the mounting shafts.

[0006] Preferably, a dual-axis motor is installed on the inner wall on one side above the device body, and both ends of the dual-axis motor are connected with second bevel teeth, and the outer wall of one end of the threaded rod is installed with first bevel teeth, and a meshing transmission structure is formed between the first bevel teeth and the second bevel teeth.

[0007] Preferably, both inner walls at both ends above the device body are provided with limiting grooves, and the top end of the threaded sleeve is movably connected to the limiting grooves via limiting blocks.

[0008] Preferably, a baffle is installed on the inner side of the discharge pipe, and a pull plate is connected to one side of the baffle.

[0009] Preferably, a locking sleeve is installed on the outer wall of the collection box, an inner wall below the locking sleeve is provided with an internal thread, and an outer wall of the collection box is provided with an external thread, so that a threaded connection structure is formed between the collection box and the locking sleeve.

[0010] Preferably, return springs are installed on both side outer walls above the collecting box, a clamping rod is installed on the inner side of the return spring, and a clamping groove matching with the clamping rod is provided on the outer wall of the discharge pipe.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model provides a feed tube, a reset spring and a clamping rod. Clean impurities enter the collection box through the feed tube, and the locking sleeve is rotated and the threads are matched to move the locking sleeve downward. At the same time, the reset spring and the clamping rod are away from the locking sleeve. Then, the reset spring is reset to make the clamping rod away from the card slot, and the collection box is disassembled, which is convenient for cleaning impurities and solves the problem of inconvenient impurity cleaning.

[0013] The utility model provides a double-shaft motor, a second bevel tooth and a first bevel tooth. The double-shaft motor is used to rotate the second bevel tooth, and the second bevel tooth is meshed with the first bevel tooth to make the first bevel tooth drive the threaded rod to rotate at the same time. The threads cooperate so that the threaded sleeve drives the cleaning brush belt to move left and right to clean the cold air duct. Then, the driving motor is used to drive the installation shaft to rotate the cleaning brush belt, so that the cold air duct can be cleaned up and down, and impurities on the outer wall of the cold air duct can be cleaned, thereby realizing a self-cleaning function and solving the problem of not having a self-cleaning function. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the cross-sectional structure of the device body of the utility model;

[0015] Figure 2 This is a schematic diagram of the top view of the threaded rod structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the top view of the cleaning plate of the utility model;

[0017] Figure 4 This is a schematic diagram of the front view structure of the cleaning plate of the utility model;

[0018] Figure 5 This is a schematic diagram of the cross-sectional structure of the collection box of the utility model.

[0019] In the figure: 1. supporting leg; 2. steam outlet pipe; 3. cold air pipe; 4. threaded rod; 5. threaded sleeve; 6. steam inlet pipe; 7. device body; 8. cleaning plate; 9. control panel; 10. collecting box; 11. locking sleeve; 12. first bevel gear; 13. double-axis motor; 14. second bevel gear; 15. cleaning brush belt; 16. mounting shaft; 17. driving motor; 18. clamping rod; 19. clamping slot; 20. feeding pipe; 21. baffle; 22. pull plate; 23. sealing ring; 24. reset spring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1: Please refer to Figure 1-Figure 5 A drying heat exchanger with a self-cleaning function comprises a support leg 1, a device body 7 and a sealing ring 23, wherein the device body 7 is installed above the support leg 1, a control panel 9 is installed on one side outer wall of the support leg 1, a steam inlet pipe 6 is connected to the upper side of the outer wall of one side of the device body 7, a steam outlet pipe 2 is connected to the lower side of the outer wall of the other side of the device body 7, a cold air pipe 3 is installed on the inner side of the device body 7, threaded rods 4 are installed on the inner walls at both ends above the device body 7, and threaded sleeves 5 are threadedly installed on the outer walls of the threaded rods 4, and cleaning plates 8 are connected to the bottom ends of the threaded sleeves 5, a material discharge pipe 20 is connected to the lower side of the device body 7, and a collection box 10 is connected to the lower side of the material discharge pipe 20, and a sealing ring 23 is installed on the inner wall above the collection box 10;

[0022] The inner walls at both ends of the cleaning plate 8 are both installed with mounting shafts 16, and one end of the mounting shaft 16 is connected to a driving motor 17, and a cleaning brush belt 15 is installed between the outer walls of the mounting shaft 16;

[0023] A dual-axis motor 13 is installed on the inner wall of one side above the device body 7, and both ends of the dual-axis motor 13 are connected with second bevel gears 14, and the outer wall of one end of the threaded rod 4 is installed with first bevel gears 12, and a meshing transmission structure is formed between the first bevel gears 12 and the second bevel gears 14;

[0024] The inner walls at both ends above the device body 7 are provided with limiting grooves, and the top of the threaded sleeve 5 is movably connected to the limiting grooves through limiting blocks;

[0025] Specifically, Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, when this structure is used, the second bevel gear 14 is rotated by the dual-axis motor 13, and the second bevel gear 14 is meshed with the first bevel gear 12, so that the first bevel gear 12 drives the threaded rod 4 to rotate at the same time, and the threads are matched, so that the threaded sleeve 5 drives the cleaning brush belt 15 to move left and right, so as to clean the cold air duct 3, and then the driving motor 17 is operated to drive the installation shaft 16 to rotate the cleaning brush belt 15, so as to clean the cold air duct 3 up and down, and clean the impurities on the outer wall of the cold air duct 3, so as to realize the self-cleaning function.

[0026] Embodiment 2: A baffle plate 21 is installed on the inner side of the feed pipe 20, and a pull plate 22 is connected to one side of the baffle plate 21;

[0027] The outer wall of the collection box 10 is installed with a locking sleeve 11, the inner wall below the locking sleeve 11 is provided with an internal thread, and the outer wall of the collection box 10 is provided with an external thread, so that a threaded connection structure is formed between the collection box 10 and the locking sleeve 11;

[0028] The outer walls on both sides above the collecting box 10 are both equipped with return springs 24, the inner sides of the return springs 24 are both equipped with clamping rods 18, and the outer walls of the feeding tube 20 are both equipped with clamping grooves 19 that match the clamping rods 18;

[0029] Specifically, Figure 1 and Figure 5 As shown, when this structure is used, clean impurities enter the collection box 10 through the feed tube 20, and the locking sleeve 11 is rotated and threaded to move the locking sleeve 11 downward. At the same time, the reset spring 24 and the clamping rod 18 are away from the locking sleeve 11, and then the reset spring 24 is reset to make the clamping rod 18 away from the clamping groove 19, and the collection box 10 is disassembled to facilitate the impurity cleaning function.

[0030] Working principle: When using the device, first the cold air pipe 3 delivers cold air, and the high-temperature steam enters the device body 7 through the steam inlet pipe 6, and the cold air is heated and exchanged with heat by the steam in the device body 7;

[0031] The first step to implement the innovation point:

[0032] Step 1: The second bevel gear 14 is rotated by the dual-axis motor 13, and the second bevel gear 14 is meshed with the first bevel gear 12, so that the first bevel gear 12 drives the threaded rod 4 to rotate at the same time, and the threads are matched, so that the threaded sleeve 5 drives the cleaning brush belt 15 to move left and right to clean the cold air pipe 3;

[0033] Step 2: The installation shaft 16 drives the cleaning brush belt 15 to rotate by driving the motor 17, so as to clean the cold air duct 3 from top to bottom and clean the impurities on the outer wall of the cold air duct 3 to avoid affecting the heat exchange effect.

[0034] The second innovation point implementation steps:

[0035] Pull the pull plate 22 outward to move the baffle 21 to the right, so that the clean impurities enter the collection box 10 through the discharge pipe 20, rotate the locking sleeve 11, and the threads engage to move the locking sleeve 11 downward. At the same time, the reset spring 24 and the card rod 18 are away from the locking sleeve 11, and then the reset spring 24 is reset to make the card rod 18 away from the card slot 19, and the collection box 10 is disassembled for cleaning.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A drying heat exchanger with a self-cleaning function, comprising a support leg (1), a device body (7) and a sealing ring (23), characterized in that: A device body (7) is installed above the support leg (1), a control panel (9) is installed on one side outer wall of the support leg (1), a steam inlet pipe (6) is connected to the top of one side outer wall of the device body (7), a steam outlet pipe (2) is connected to the bottom of the other side outer wall of the device body (7), a cold air pipe (3) is installed on the inside of the device body (7), threaded rods (4) are installed on both ends of the inner wall above the device body (7), and threaded sleeves (5) are threadedly installed on the outer wall of the threaded rods (4), and a cleaning plate (8) is connected to the bottom end of the threaded sleeve (5), a material discharge pipe (20) is connected to the bottom of the device body (7), and a collection box (10) is connected to the bottom of the material discharge pipe (20), and a sealing ring (23) is installed on the inner wall above the collection box (10).

2. The drying heat exchanger with self-cleaning function according to claim 1, characterized in that: The inner walls at both ends of the cleaning plate (8) are both mounted with mounting shafts (16), one end of the mounting shaft (16) is connected to a driving motor (17), and a cleaning brush belt (15) is mounted between the outer walls of the mounting shaft (16).

3. The drying heat exchanger with self-cleaning function according to claim 1, characterized in that: A double-axis motor (13) is installed on an inner wall on one side above the device body (7), and both ends of the double-axis motor (13) are connected to second bevel teeth (14); a first bevel tooth (12) is installed on an outer wall at one end of the threaded rod (4), and a meshing transmission structure is formed between the first bevel tooth (12) and the second bevel tooth (14).

4. The drying heat exchanger with self-cleaning function according to claim 1, characterized in that: The inner walls at both ends above the device body (7) are provided with limiting grooves, and the top end of the threaded sleeve (5) is movably connected to the limiting grooves via limiting blocks.

5. The drying heat exchanger with self-cleaning function according to claim 1, characterized in that: A baffle (21) is installed on the inner side of the feed tube (20), and a pull plate (22) is connected to one side of the baffle (21).

6. The drying heat exchanger with self-cleaning function according to claim 1, characterized in that: A locking sleeve (11) is installed on the outer wall of the collection box (10), an inner wall below the locking sleeve (11) is provided with an internal thread, and an outer wall of the collection box (10) is provided with an external thread, so that a threaded connection structure is formed between the collection box (10) and the locking sleeve (11).

7. The drying heat exchanger with self-cleaning function according to claim 1, characterized in that: Both outer walls above the collection box (10) are provided with return springs (24), the inner sides of the return springs (24) are provided with clamping rods (18), and the outer walls of the discharge pipe (20) are provided with clamping grooves (19) that match the clamping rods (18).

Images