Anti-blocking device for cleaning scale on inner wall of steam boiler

The steam boiler internal wall scale cleaning and anti-clogging equipment uses a motor-driven gear and spiral blades to stir water and cleaning fluid, combined with scrapers and blades to remove impurities, solving the problem of uneven heat transfer and clogging caused by scale accumulation, and achieving efficient cleaning and energy saving.

CN224121225UActive Publication Date: 2026-04-14ZHOU KOU YUAN DA TAI KANG GUO LU GONG SI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-13
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

Scale buildup in existing steam boilers leads to uneven heat transfer, affecting equipment lifespan and potentially causing pipe blockage.

Method used

Design a device for cleaning and preventing clogging of scale on the inner wall of a steam boiler. The device uses a motor-driven gear and spiral blades to stir water and cleaning solution, combined with a scraper to clean the inner wall and a motor-driven blade to crush impurities, ensuring that the scale dissolves and impurities are discharged, thus preventing clogging.

Benefits of technology

It effectively removes limescale, prevents limescale crystal formation and accumulation, reduces the risk of pipe blockage, improves heat transfer efficiency, and saves energy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses steam boiler inner wall scale cleaning anti-blocking equipment which comprises a base, the top of the base is fixedly connected with a plurality of supporting columns, the tops of the supporting columns are fixedly connected with a tank body, the top of the tank body is fixedly connected with a first motor, the output end of the first motor is rotationally connected with a first driving rod, and the output end of the first driving rod is rotationally connected with a second driving rod. A first gear is fixedly connected to the bottom of the first driving rod, and two second gears are connected to the outer portion of the first gear in an engaged mode. By means of the structure, water is heated and stirred at the same time, so that incrustation can make full contact with cleaning liquid, chemical reaction of the cleaning liquid and the incrustation in the chemical cleaning process is more sufficient, the dissolving speed of the incrustation is increased, the incrustation on the inner wall of the tank body is more effectively removed, it is guaranteed that effective anti-scaling treatment can be conducted on the whole water body, and the service life of the water body is prolonged. Therefore, formation and aggregation of scale crystals are better prevented, and the risk of pipeline blockage is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of boiler cleaning and anti-clogging technology, and in particular to a device for cleaning and preventing scale buildup on the inner wall of a steam boiler. Background Technology

[0002] A steam boiler is a device that uses the heat energy released from fuel combustion or other heat energy to heat water to boiling point and generate steam. When the water is heated to its boiling point, it begins to vaporize into steam. Inside the boiler drum, the steam-water mixture passes through a steam-water separator to separate the steam and water. The steam is drawn out for user use, while the water continues to circulate and be heated inside the boiler.

[0003] However, in existing technologies, due to incomplete cleaning, residual scale continues to accumulate on the boiler's inner wall, becoming increasingly thick over time. This not only affects heat transfer but also causes uneven temperature distribution on the boiler's inner wall, further exacerbating equipment damage. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of existing technologies and provide a steam boiler inner wall scale cleaning and anti-clogging device. This device ensures that the entire water body receives effective scale prevention treatment, thereby better preventing the formation and accumulation of scale crystals, reducing the risk of pipe blockage, and preventing scale from entering the discharge pipe and causing blockage. Regularly cleaning impurities from the surface of the filter disc ensures that the pores of the filter disc remain unobstructed.

[0005] To achieve the above objectives, a steam boiler inner wall scale cleaning and anti-clogging device is provided, comprising a base, a plurality of support columns fixedly connected to the top of the base, a tank fixedly connected to the top of the support columns, a first motor fixedly connected to the top of the tank, a first drive rod rotatably connected to the output end of the first motor, a first gear fixedly connected to the bottom of the first drive rod, two second gears meshing with the external parts of the first gear, a first rotating rod fixedly connected inside the second gear, and a spiral blade fixedly connected to the external parts of the first rotating rod.

[0006] According to the aforementioned steam boiler inner wall scale cleaning and anti-clogging device, the tank body is rotatably connected with a toothed ring, and the top of the tank body is fixedly connected with a protective plate.

[0007] According to the steam boiler inner wall scale cleaning and anti-clogging device, the first drive rod is externally fixedly connected to two connecting rods, and a scraper is fixedly connected to one end of each connecting rod.

[0008] According to the aforementioned steam boiler inner wall scale cleaning and anti-clogging device, the top of the tank is fixedly connected to a port, and the bottom of the first drive rod is rotatably connected to a fixing block.

[0009] According to the aforementioned steam boiler inner wall scale cleaning and anti-clogging device, a water storage tank is fixedly connected to the top of the base, and a water inlet pipe is fixedly connected to the top of the water storage tank.

[0010] According to the aforementioned steam boiler inner wall scale cleaning and anti-clogging device, a water pump is fixedly connected to the outside of the water inlet pipe, and one end of the water inlet pipe is fixedly connected to the outside of the tank.

[0011] According to the aforementioned steam boiler inner wall scale cleaning and anti-clogging device, a discharge pipe is fixedly connected to the bottom of the tank, a filter disc is fixedly connected inside the discharge pipe, a second drive rod is rotatably connected to the top of the filter disc, a second motor is fixedly connected to the output end of the second drive rod, and multiple blades are fixedly connected to the outside of the second drive rod.

[0012] According to the aforementioned steam boiler inner wall scale cleaning and anti-clogging device, a limit block is fixedly connected inside the discharge pipe, and a second rotating rod is rotatably connected inside the discharge pipe, with a piston fixedly connected to one end of the second rotating rod.

[0013] Beneficial effects:

[0014] 1. Driven by the first motor and the first drive rod, the first gear at the bottom rotates. The first gear drives the second gear on the outside to rotate, which in turn drives the first rotating rod inside and the spiral blades on the outside of the first rotating rod to rotate. This heats and stirs the water simultaneously, allowing the scale and cleaning solution to come into full contact. This makes the chemical reaction between the cleaning solution and the scale more complete during the chemical cleaning process, accelerating the dissolution of the scale. This more effectively removes the scale from the inner wall of the tank and ensures that the entire water body receives effective anti-scaling treatment, thereby better preventing the formation and accumulation of scale crystals and reducing the risk of pipe blockage.

[0015] 2. Driven by the first motor and the first drive rod, the external connecting rod and external scraper rotate, cleaning the inner wall of the tank. After cleaning, the second rotating rod inside the discharge pipe rotates, causing the piston at one end of the second rotating rod to disengage from the groove inside the limiting block, discharging the wastewater. Then, driven by the second motor and the second drive rod, the external blades rotate, crushing impurities on the surface of the filter disc inside the discharge pipe. This prevents excessive accumulation of impurities and blockage. This not only allows the tank's heating surface to better absorb heat, improving heat transfer efficiency and allowing more heat to be used to convert water into steam, thus reducing fuel consumption and saving energy, but also prevents impurities, scale fragments, and other solid particles in the water from entering the discharge pipe and causing blockage. Regularly cleaning the impurities on the surface of the filter disc ensures that the pores of the filter disc remain unobstructed.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0018] Figure 1 This is a perspective view of a steam boiler inner wall scale cleaning and anti-clogging device proposed in this utility model;

[0019] Figure 2 This is a schematic diagram of the water storage tank of a steam boiler inner wall scale cleaning and anti-clogging device proposed in this utility model;

[0020] Figure 3 This is a schematic diagram of the spiral blade structure of a steam boiler inner wall scale cleaning and anti-clogging device proposed in this utility model;

[0021] Figure 4 This is a schematic diagram of the filter disc of a steam boiler inner wall scale cleaning and anti-clogging device proposed in this utility model.

[0022] Legend:

[0023] 1. Base; 2. Support column; 3. Tank body; 4. Water storage tank; 5. Water inlet pipe; 6. Water pump; 7. Port; 8. Protective plate; 9. First motor; 10. First drive rod; 11. First gear; 12. Second gear; 13. First rotating rod; 14. Gear ring; 15. Spiral blade; 16. Connecting rod; 17. Scraper; 18. Fixing block; 19. Discharge pipe; 20. Filter disc; 21. Second drive rod; 22. Blade; 23. Second motor; 24. Second rotating rod; 25. Piston; 26. Limiting block. Detailed Implementation

[0024] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0025] Reference Figure 1-4This utility model discloses a steam boiler inner wall scale cleaning and anti-clogging device, which includes a base 1, a plurality of support columns 2 fixedly connected to the top of the base 1, a tank 3 fixedly connected to the top of the support columns 2, a first motor 9 fixedly connected to the top of the tank 3, a first drive rod 10 rotatably connected to the output end of the first motor 9, a first gear 11 fixedly connected to the bottom of the first drive rod 10, two second gears 12 meshing with the outside of the first gear 11, a first rotating rod 13 fixedly connected inside the second gear 12, and a spiral blade 15 fixedly connected to the outside of the first rotating rod 13.

[0026] Specifically: Driven by the first motor 9, the first drive rod 10 drives the first gear 11 at the bottom to rotate. The first gear 11 drives the second gear 12 on the outside to rotate, and the second gear 12 drives the first rotating rod 13 inside and the spiral blade 15 on the outside of the first rotating rod 13 to rotate, so as to heat and stir the water at the same time.

[0027] The tank body 3 is internally connected to a toothed ring 14, and the top of the tank body 3 is fixedly connected to a protective plate 8.

[0028] The first drive rod 10 has two externally fixed connections of connecting rods 16, and a scraper 17 is fixedly connected to one end of each connecting rod 16.

[0029] Specifically: Driven by the first motor 9, the first drive rod 10 drives the external connecting rod 16 and the external scraper 17 to rotate.

[0030] The top of the tank body 3 is fixedly connected to the port 7, and the bottom of the first drive rod 10 is rotatably connected to the fixing block 18.

[0031] A water tank 4 is fixedly connected to the top of the base 1, and a water inlet pipe 5 is fixedly connected to the top of the water tank 4.

[0032] Specifically: the water in the water storage tank 4 is pumped into the tank body 3 through the water inlet pipe 5 by the water pump 6 on the rear side.

[0033] A water pump 6 is fixedly connected to the outside of the water inlet pipe 5, and one end of the water inlet pipe 5 is fixedly connected to the outside of the tank body 3.

[0034] A discharge pipe 19 is fixedly connected to the bottom of the tank body 3. A filter disc 20 is fixedly connected inside the discharge pipe 19. A second drive rod 21 is rotatably connected to the top of the filter disc 20. A second motor 23 is fixedly connected to the output end of the second drive rod 21. Multiple blades 22 are fixedly connected to the outside of the second drive rod 21.

[0035] Specifically: Driven by the second motor 23 and the second drive rod 21, the external blade 22 is rotated, thereby crushing the impurities on the surface of the filter disc 20 inside the discharge pipe 19.

[0036] A limit block 26 is fixedly connected inside the discharge pipe 19, and a second rotating rod 24 is rotatably connected inside the discharge pipe 19. A piston 25 is fixedly connected to one end of the second rotating rod 24.

[0037] Specifically: Rotate the second rotating rod 24 inside the discharge pipe 19 so that the piston 25 at one end of the second rotating rod 24 disengages from the groove inside the limiting block 26, and discharges the sewage.

[0038] Working principle: Water from the storage tank 4 is pumped into the tank 3 through the inlet pipe 5 by the rear water pump 6. Cleaning solution is then poured in through port 7. Driven by the first motor 9 and the first drive rod 10, the first gear 11 at the bottom rotates. The first gear 11 drives the external second gear 12, which in turn drives the internal first rotating rod 13 and the external spiral blades 15, simultaneously heating and stirring the water. This allows the scale to fully contact the cleaning solution, resulting in a more complete chemical reaction during the cleaning process, accelerating the dissolution of the scale, and effectively removing scale from the inner wall of the tank 3. It also ensures effective scale prevention throughout the water body, better preventing the formation and accumulation of scale crystals and reducing the risk of pipe blockage. After stirring, some scale may remain attached to the tank. 3. On the inner wall of the tank, driven by the first motor 9 and the first drive rod 10, the external connecting rod 16 and the external scraper 17 rotate to clean the inner wall of the tank 3. After cleaning, the second rotating rod 24 inside the discharge pipe 19 is rotated, causing the piston 25 at one end of the second rotating rod 24 to disengage from the groove inside the limiting block 26, thus discharging the sewage. Then, driven by the second motor 23 and the second drive rod 21, the external blade 22 rotates to crush the impurities on the surface of the filter disc 20 inside the discharge pipe 19. This prevents excessive accumulation of impurities from causing blockage. This not only allows the heating surface of the tank 3 to better absorb heat and improve heat transfer efficiency, allowing more heat to be used to convert water into steam, thereby reducing fuel consumption and saving energy, but also allows the filter disc to intercept impurities, scale fragments, and other solid particles in the water, preventing them from entering the discharge pipe 19 and causing blockage. Regularly cleaning the impurities on the surface of the filter disc ensures that the pores of the filter disc are unobstructed, allowing steam and water to pass smoothly through the discharge pipe 19.

[0039] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A steam boiler inner wall scale cleaning and anti-blocking device, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a plurality of support columns (2), the top of the support columns (2) is fixedly connected to a tank (3), the top of the tank (3) is fixedly connected to a first motor (9), the output end of the first motor (9) is rotatably connected to a first drive rod (10), the bottom of the first drive rod (10) is fixedly connected to a first gear (11), the outside of the first gear (11) is meshed with two second gears (12), the inside of the second gear (12) is fixedly connected to a first rotating rod (13), and the outside of the first rotating rod (13) is fixedly connected to a spiral blade (15).

2. A device for cleaning and preventing scale blocking in the inner wall of a steam boiler according to claim 1, characterized in that, The tank (3) is rotatably connected to a toothed ring (14), and a protective plate (8) is fixedly connected to the top of the tank (3).

3. A device for cleaning and preventing scale accumulation on the inner wall of a steam boiler according to claim 1, characterized in that, The first drive rod (10) is externally fixedly connected to two connecting rods (16), and a scraper (17) is fixedly connected to one end of each connecting rod (16).

4. A device for cleaning and preventing scale accumulation on the inner wall of a steam boiler according to claim 1, characterized in that, The top of the tank (3) is fixedly connected to a port (7), and the bottom of the first drive rod (10) is rotatably connected to a fixing block (18).

5. A device for cleaning and preventing scale accumulation on the inner walls of a steam boiler according to claim 1, characterized in that, A water storage tank (4) is fixedly connected to the top of the base (1), and a water inlet pipe (5) is fixedly connected to the top of the water storage tank (4).

6. The steam boiler inner wall scale cleaning and anti-clogging device according to claim 5, characterized in that, A water pump (6) is fixedly connected to the outside of the water inlet pipe (5), and one end of the water inlet pipe (5) is fixedly connected to the outside of the tank body (3).

7. The steam boiler inner wall scale cleaning and anti-clogging device according to claim 1, characterized in that, The bottom of the tank (3) is fixedly connected to a discharge pipe (19), the inside of the discharge pipe (19) is fixedly connected to a filter disc (20), the top of the filter disc (20) is rotatably connected to a second drive rod (21), the output end of the second drive rod (21) is fixedly connected to a second motor (23), and the outside of the second drive rod (21) is fixedly connected to multiple blades (22).

8. The steam boiler inner wall scale cleaning and anti-clogging device according to claim 7, characterized in that, The discharge pipe (19) is fixedly connected to a limit block (26), and the discharge pipe (19) is rotatably connected to a second rotating rod (24), with a piston (25) fixedly connected to one end of the second rotating rod (24).