Efficient heat exchange structure of assembled hot water boiler

Abstract

The utility model provides a kind of high-efficiency heat exchange structure of assembled hot water boiler, it is related to hot water boiler technical field, including bottom shell and furnace body.In the utility model, low-temperature flue gas is filtered by filter screen built-in annular shell at exhaust pipe, can effectively intercept dust, sulfide and other pollutants, avoid untreated flue gas directly into atmosphere, both reduce the harm to ecological environment, and meet current environmental protection regulations requirements, help enterprise to evade environmental protection penalty risk, prevent pollutant corrosion boiler equipment simultaneously, guarantee equipment stable operation, simultaneously, filter assembly is slid initially positioned by annular plate connecting sleeve and annular shell positioning block, rotates handle to lock or extract limit post can be realized, when disassembling, special tool is not needed, only need to reverse rotation handle, lift annular shell to be able to complete the cleaning or replacement of filter screen, greatly shorten dismounting time, reduce the work intensity of maintenance personnel, reduce the influence of boiler shutdown maintenance on production operation continuity.

Description

Technical Field

[0001] This utility model relates to the field of hot water boiler technology, and in particular to a high-efficiency heat exchange structure for assembling a hot water boiler. Background Technology

[0002] During the operation of a hot water boiler, the high-temperature flue gas generated by the burner burning fuel needs to be discharged through the flue pipe. The pollutants such as dust and sulfides contained in the flue gas not only directly harm the ecological environment, but also negatively affect the stable operation of the boiler equipment itself. Therefore, the flue gas filtration process is crucial.

[0003] Currently, traditional hot water boilers have significant shortcomings in flue gas filtration. On the one hand, many boilers omit flue gas filtration devices altogether, allowing combustion pollutants to be released directly into the atmosphere without any treatment, exacerbating air quality deterioration. This is especially problematic in densely populated urban areas or industrial parks with stringent environmental regulations, where such emissions are no longer sufficient to meet current environmental standards, often leading to penalties for businesses. On the other hand, while some boilers recognize the importance of flue gas filtration and have added filter components to their systems, the design of these devices is clearly inadequate. The filter components are often fixed to the exhaust pipes using bolts or welding, leading to a decline in filtration efficiency as pollutants accumulate. Disassembly, cleaning, or replacement requires specialized tools such as wrenches to gradually loosen the bolts, and some welded connections even require professional cutting. This time-consuming and labor-intensive process significantly increases the workload of maintenance personnel, prolongs boiler downtime for maintenance, and impacts production continuity. Therefore, improvements are necessary. Utility Model Content

[0004] The purpose of this utility model is to solve the problems mentioned in the background art and to propose a high-efficiency heat exchange structure for assembling hot water boilers.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: a high-efficiency heat exchange structure for assembling a hot water boiler, comprising a bottom shell and a furnace body. A water inlet pipe is fixedly installed on the top outer wall of the furnace body, and a water outlet pipe is fixedly installed on the top outer wall of the furnace body. A mounting bracket is fixedly installed at one end of the furnace body, and a burner is fixedly installed inside the mounting bracket. A combustion chamber is fixedly installed at the end of the burner near the furnace body, and a heat exchange tube is fixedly installed at the end of the combustion chamber away from the burner. A flue gas pipe is fixedly installed at the end of the heat exchange tube away from the combustion chamber, and an annular plate is fixedly installed on the outer wall of the flue gas pipe. A connecting sleeve is symmetrically fixedly installed on the outer wall of the shaped plate. An annular shell is slidably connected to the top outer wall of the exhaust pipe. A filter screen is fixedly installed inside the annular shell. A connecting plate is symmetrically fixedly installed on the outer wall of the annular shell. A positioning block is fixedly installed at the bottom of the connecting plate. A limit hole is opened through the positioning block and one side of the connecting sleeve. A guide rod is symmetrically fixedly installed on the outer wall of the exhaust pipe. A threaded rod is rotatably connected to the outer wall of the exhaust pipe. A T-shaped plate is threadedly connected to the outer wall of the threaded rod. A limit post is symmetrically fixedly installed on the side of the T-shaped plate near the exhaust pipe. A handle is fixedly installed at one end of the threaded rod.

[0006] Preferably, the combustion chamber is fixedly connected to the furnace body.

[0007] Preferably, the positioning block and the connecting sleeve are slidably connected.

[0008] Preferably, the heat exchange tube is fixedly connected to the furnace body, and the T-shaped plate is slidably connected to the guide rod.

[0009] Preferably, the limiting post and the limiting hole are slidably connected.

[0010] Preferably, the top of the bottom shell is symmetrically fixedly mounted with vertical plates, the furnace body is located inside the vertical plates, and the furnace body is fixedly connected to the vertical plates.

[0011] Preferably, a sealing gasket is fixedly installed on the top of the annular plate.

[0012] Preferably, a fixing plate is fixedly installed on the inner bottom side of the bottom shell, a lead screw is rotatably connected to the top of the fixing plate, a worm gear is fixedly installed on the outer wall of the lead screw, a rectangular plate is threadedly connected to the outer wall of the lead screw, rollers are symmetrically fixedly installed on the bottom of the rectangular plate, a motor is fixedly installed on one side of the bottom shell, and a worm gear is fixedly installed on the output end of the motor.

[0013] Preferably, the worm and the worm wheel mesh with each other, and the lead screw is rotatably connected to the bottom shell.

[0014] Preferably, the rectangular plate is slidably connected to the bottom shell.

[0015] Compared with the prior art, the advantages and positive effects of this utility model are as follows: 1. In this utility model, the low-temperature flue gas is filtered through the filter screen built into the annular shell at the flue pipe, which can effectively intercept pollutants such as dust and sulfides, and prevent untreated flue gas from being directly discharged into the atmosphere. This reduces the harm to the ecological environment, complies with current environmental protection regulations, helps enterprises avoid the risk of environmental penalties, and prevents pollutants from corroding boiler equipment, ensuring stable operation of the equipment. At the same time, the filter component is initially positioned by sliding between the annular plate connecting sleeve and the positioning block of the annular shell. The limit post can be locked or pulled out by rotating the handle. No special tools are required for disassembly. The filter screen can be cleaned or replaced simply by rotating the handle in the opposite direction and lifting the annular shell. This greatly shortens the disassembly and assembly time, reduces the workload of maintenance personnel, and reduces the impact of boiler shutdown maintenance on the continuity of production operations.

[0016] 2. In this utility model, the worm gear is driven to rotate by a motor. The worm gear meshes with the worm wheel and drives the lead screw to rotate, so that the rectangular plate connected to the lead screw slides along the bottom shell, thereby realizing the extension or retraction of the roller. When the boiler needs to be moved, the roller extends to support the boiler and can be easily pushed. When there is no need to move, the roller retracts to fix the bottom shell on the ground, which improves the convenience of boiler position adjustment and enhances the adaptability and flexibility of the equipment in different usage scenarios. Attached Figure Description

[0017] Figure 1 A schematic diagram of the overall structure of an efficient heat exchange structure for assembling a hot water boiler is provided for this utility model. Figure 2 A cross-sectional view of a high-efficiency heat exchange structure for assembling a hot water boiler is provided for this utility model. Figure 3 An exploded view of part of the structure of a high-efficiency heat exchange structure for assembling a hot water boiler, as proposed in this utility model. Figure 4 A bottom view schematic diagram of a high-efficiency heat exchange structure for assembling a hot water boiler is provided for this utility model. Figure 5 The present invention provides a bottom view sectional view of a high-efficiency heat exchange structure for assembling a hot water boiler.

[0018] Legend: 1. Bottom shell; 2. Furnace body; 3. Water inlet pipe; 4. Water outlet pipe; 5. Mounting bracket; 6. Burner; 7. Combustion chamber; 8. Heat exchange tube; 9. Exhaust pipe; 10. Annular plate; 11. Connecting sleeve; 12. Annular shell; 13. Filter screen; 14. Connecting plate; 15. Positioning block; 16. Limiting hole; 17. Guide rod; 18. Threaded rod; 19. T-shaped plate; 20. Limiting post; 21. Rotary handle; 22. Sealing gasket; 23. Vertical plate; 24. Fixing plate; 25. Lead screw; 26. Worm gear; 27. Rectangular plate; 28. Roller; 29. ​​Motor; 30. Worm gear. Detailed Implementation

[0019] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0020] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0021] Example 1: As Figures 1-4As shown, this utility model provides a technical solution: a high-efficiency heat exchange structure for assembling a hot water boiler, including a bottom shell 1 and a furnace body 2. A water inlet pipe 3 is fixedly installed on the top outer wall of the furnace body 2, and a water outlet pipe 4 is fixedly installed on the top outer wall of the furnace body 2. A mounting bracket 5 is fixedly installed at one end of the furnace body 2, and a burner 6 is fixedly installed inside the mounting bracket 5. A combustion chamber 7 is fixedly installed at the end of the burner 6 near the furnace body 2. A heat exchange tube 8 is fixedly installed at the end of the combustion chamber 7 away from the burner 6. A flue pipe 9 is fixedly installed at the end of the heat exchange tube 8 away from the combustion chamber 7. An annular plate 10 is fixedly installed on the outer wall of the flue pipe 9. Connecting sleeves 11 are symmetrically fixedly installed on the outer wall of the annular plate 10. An annular shell 12 is slidably connected to the top outer wall of the flue pipe 9. A filter screen 13 is fixedly installed inside the annular shell 12. Connecting plates 14 are symmetrically fixedly installed on the outer wall of the annular shell 12. The bottom of the connecting plate 14... A positioning block 15 is fixedly installed, and a limiting hole 16 is opened through one side of the positioning block 15 and the connecting sleeve 11. A guide rod 17 is symmetrically fixedly installed on the outer wall of the flue pipe 9. A threaded rod 18 is rotatably connected to the outer wall of the flue pipe 9. A T-shaped plate 19 is threadedly connected to the outer wall of the threaded rod 18. A limiting post 20 is symmetrically fixedly installed on the side of the T-shaped plate 19 near the flue pipe 9. A handle 21 is fixedly installed at one end of the threaded rod 18. The combustion chamber 7 is fixedly connected to the furnace body 2. The positioning block 15 is slidably connected to the connecting sleeve 11. The heat exchange tube 8 is fixedly connected to the furnace body 2. The T-shaped plate 19 is slidably connected to the guide rod 17. The limiting post 20 is slidably connected to the limiting hole 16. A vertical plate 23 is symmetrically fixedly installed on the top of the bottom shell 1. The furnace body 2 is located inside the vertical plate 23. The furnace body 2 is fixedly connected to the vertical plate 23. A sealing gasket 22 is fixedly installed on the top of the annular plate 10.

[0022] In this embodiment, the low-temperature flue gas is filtered through the filter screen 13 built into the annular shell 12 at the 9th flue pipe, which can effectively intercept pollutants such as dust and sulfides, and prevent untreated flue gas from being directly discharged into the atmosphere. This reduces the harm to the ecological environment, complies with current environmental protection regulations, helps enterprises avoid the risk of environmental penalties, and prevents pollutants from corroding boiler equipment, ensuring stable operation of the equipment. At the same time, the filter component is initially positioned by sliding between the annular plate 10 connecting sleeve 11 and the positioning block 15 of the annular shell 12. The limit post 20 can be locked or pulled out by rotating the handle 21. No special tools are required for disassembly. The filter screen 13 can be cleaned or replaced simply by rotating the handle 21 in the opposite direction and lifting the annular shell 12. This greatly shortens the disassembly and assembly time, reduces the workload of maintenance personnel, and reduces the impact of boiler shutdown maintenance on the continuity of production operations.

[0023] Example 2: As Figures 4-5As shown, a fixing plate 24 is fixedly installed on the inner side of the bottom of the bottom shell 1. A lead screw 25 is rotatably connected to the top of the fixing plate 24. A worm gear 26 is fixedly installed on the outer wall of the lead screw 25. A rectangular plate 27 is threadedly connected to the outer wall of the lead screw 25. Rollers 28 are symmetrically fixedly installed on the bottom of the rectangular plate 27. A motor 29 is fixedly installed on one side of the bottom shell 1. A worm 30 is fixedly installed at the output end of the motor 29. The worm 30 and the worm gear 26 mesh with each other. The lead screw 25 is rotatably connected to the bottom shell 1. The rectangular plate 27 is slidably connected to the bottom shell 1.

[0024] In this embodiment, the worm gear 30 is driven to rotate by the motor 29. The worm gear 30 meshes with the worm wheel 26, which drives the lead screw 25 to rotate. This causes the rectangular plate 27, which is threadedly connected to the lead screw 25, to slide along the bottom shell 1. This allows the roller 28 to extend or retract. When the boiler needs to be moved, the roller 28 extends to support the boiler and can be easily pushed. When there is no need to move it, the roller 28 retracts to fix the bottom shell 1 on the ground. This improves the convenience of adjusting the boiler position and enhances the adaptability and flexibility of the equipment in different usage scenarios.

[0025] The working principle of this embodiment is as follows: In use, firstly, the furnace body 2, which is fixed by the top upright plate 23 of the bottom shell 1, is the core working area. After the burner 6 in the mounting bracket 5 is ignited, the fuel is fully burned in the combustion chamber 7 to generate high-temperature flue gas. The flue gas enters the heat exchange tube 8. At this time, cold water flows in from the water inlet pipe 3 at the top of the furnace body 2. It absorbs heat through heat conduction through the tube wall of the heat exchange tube 8. After being heated, it flows out from the water outlet pipe 4 for use. The low-temperature flue gas that has completed heat exchange enters the exhaust pipe 9. Next, the annular plate 10 on the outer wall of the exhaust pipe 9 (with a sealing gasket 22 on the top) is initially positioned by sliding cooperation between the connecting sleeve 11 and the positioning block 15 of the annular shell 12 (with a filter screen 13 inside). After the initial positioning, the handle 21 is rotated to make the threaded rod 18 drive the T-shaped plate 19 to move along the guide rod 17, so that the limiting post 20 is inserted into the limiting hole 1. 6. Locking the annular shell 12 allows low-temperature flue gas to pass through the filter screen 13 to filter pollutants before being discharged, preventing environmental pollution and equipment corrosion. When the filter screen 13 needs maintenance, the handle 21 is turned in the opposite direction to pull out the limit post 20, and the annular shell 12 can be lifted for disassembly, cleaning, or replacement without the need for special tools, greatly shortening maintenance time and reducing workload. If the boiler needs to be moved, the motor 29 on one side of the bottom shell 1 is started. The output end of the motor 29 drives the worm gear 30 to rotate. Because the worm gear 30 meshes with the worm wheel 26 on the screw 25 at the top of the fixed plate 24, the worm wheel 26 will drive the screw 25 to rotate, causing the rectangular plate 27, which is threaded to it and slides with the bottom shell 1, to move downwards, driving the roller 28 to extend out of the bottom shell 1 to support the boiler for movement. Conversely, the motor 29 is started in the opposite direction to retract the roller 28 so that the bottom shell 1 is fixed to the ground.

[0026] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. An efficient heat exchange structure for assembling a hot water boiler, comprising a bottom shell (1) and a furnace body (2), characterized in that: A water inlet pipe (3) is fixedly installed on the top outer wall of the furnace body (2), and a water outlet pipe (4) is fixedly installed on the top outer wall of the furnace body (2). A mounting bracket (5) is fixedly installed at one end of the furnace body (2), and a burner (6) is fixedly installed inside the mounting bracket (5). A combustion chamber (7) is fixedly installed at the end of the burner (6) near the furnace body (2), and a heat exchange tube (8) is fixedly installed at the end of the combustion chamber (7) away from the burner (6). A flue pipe (9) is fixedly installed at the end of the heat exchange tube (8) away from the combustion chamber (7). An annular plate (10) is fixedly installed on the outer wall of the flue pipe (9), and connecting sleeves (11) are symmetrically fixedly installed on the outer wall of the annular plate (10). The top outer wall of the flue pipe (9) is slidably connected. There is an annular shell (12), and a filter screen (13) is fixedly installed inside the annular shell (12). A connecting plate (14) is symmetrically fixedly installed on the outer wall of the annular shell (12). A positioning block (15) is fixedly installed at the bottom of the connecting plate (14). A limit hole (16) is opened through one side of the positioning block (15) and the connecting sleeve (11). A guide rod (17) is symmetrically fixedly installed on the outer wall of the exhaust pipe (9). A threaded rod (18) is rotatably connected to the outer wall of the exhaust pipe (9). A T-shaped plate (19) is threadedly connected to the outer wall of the threaded rod (18). A limit post (20) is symmetrically fixedly installed on the side of the T-shaped plate (19) near the exhaust pipe (9). A throttle (21) is fixedly installed at one end of the threaded rod (18).

2. The high-efficiency heat exchange structure for assembling a hot water boiler according to claim 1, characterized in that: The combustion chamber (7) is fixedly connected to the furnace body (2).

3. The high-efficiency heat exchange structure of an assembled hot water boiler according to claim 1, characterized in that: The positioning block (15) and the connecting sleeve (11) are slidably connected.

4. The high-efficiency heat exchange structure for assembling a hot water boiler according to claim 1, characterized in that: The heat exchange tube (8) is fixedly connected to the furnace body (2), and the T-shaped plate (19) is slidably connected to the guide rod (17).

5. The high-efficiency heat exchange structure for assembling a hot water boiler according to claim 1, characterized in that: The limiting post (20) is slidably connected to the limiting hole (16).

6. The high-efficiency heat exchange structure for assembling a hot water boiler according to claim 1, characterized in that: The top of the bottom shell (1) is symmetrically fixedly installed with vertical plates (23), the furnace body (2) is located inside the vertical plates (23), and the furnace body (2) is fixedly connected to the vertical plates (23).

7. The high efficiency heat exchanging structure of assembling a hot water boiler according to claim 1, characterized in that: A sealing gasket (22) is fixedly installed on the top of the annular plate (10).

8. The high-efficiency heat exchange structure for the assembled hot water boiler according to claim 1, characterized in that: A fixing plate (24) is fixedly installed on the inner side of the bottom of the bottom shell (1). A lead screw (25) is rotatably connected to the top of the fixing plate (24). A worm gear (26) is fixedly installed on the outer wall of the lead screw (25). A rectangular plate (27) is threadedly connected to the outer wall of the lead screw (25). Rollers (28) are symmetrically fixedly installed on the bottom of the rectangular plate (27). A motor (29) is fixedly installed on one side of the bottom shell (1). A worm gear (30) is fixedly installed at the output end of the motor (29).

9. The high-efficiency heat exchange structure of an assembled water boiler according to claim 8, characterized in that: The worm (30) meshes with the worm wheel (26), and the lead screw (25) is rotatably connected to the bottom shell (1).

10. The high efficiency heat exchanging structure of an assembled water boiler according to claim 8, characterized in that: The rectangular plate (27) is slidably connected to the bottom shell (1).

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