Boiler scale assisted detection device

Abstract

The utility model relates to a kind of boiler incrustation auxiliary detection devices, including two support plates installed at the bottom of boiler, two the support plate between installation has connecting rod, one of the support plate is installed with connecting plate, the first through-hole that is compatible with connecting rod is opened in the connecting plate, the connecting rod passes through first through-hole and is slidably connected with connecting plate, the first ring body that the connecting plate is fixedly connected with is sleeved on boiler, the gear ring that is sleeved on boiler is rotatably connected on the first ring body, detection assembly is installed on the gear ring, one of the support plate is installed with the driving assembly for driving gear ring rotation. To provide a kind of boiler incrustation auxiliary detection devices, to solve the distance between infrared thermal imager and boiler outer wall when measuring in the prior art is difficult to keep consistent, resulting in detection result is interfered by error caused by ranging change, reduce the accuracy of incrustation identification and evaluation.

Description

Technical Field

[0001] This utility model relates to the field of auxiliary detection technology, specifically to an auxiliary detection device for boiler scale. Background Technology

[0002] As a core thermal energy device in industrial production, power generation, and heating, the safety and economy of boiler operation are of paramount importance. During long-term operation, although the feedwater usually undergoes strict softening treatment, it inevitably still contains trace amounts of scale-forming ions such as calcium and magnesium. These ions continuously precipitate under the high temperature and high pressure environment inside the boiler and gradually adhere to the metal wall of the heated surface, forming a scale layer with significantly lower thermal conductivity than the metal material.

[0003] Scale buildup can cause a series of serious problems: First, because the thermal conductivity of scale is much lower than that of boiler steel, its presence creates additional thermal resistance on the heating surface, hindering the efficient transfer of heat to the boiler water. This leads to increased flue gas temperature, decreased boiler thermal efficiency, and continuous fuel loss. Second, the scale-insulated metal surface cannot be cooled by the boiler water in time, causing an abnormal rise in wall temperature. When the local temperature exceeds the allowable limit of the metal material, its mechanical strength will be significantly reduced. Under the pressure of the internal working fluid, this can lead to safety accidents such as metal bulging, deformation, or even tube rupture.

[0004] To address the aforementioned risks, existing technologies often employ infrared detection methods to monitor boiler scale. For example, high-performance infrared thermal imagers or infrared temperature sensors are used to scan and measure the temperature field of the boiler's external walls in a non-contact manner. These detection devices typically utilize embedded intelligent algorithms to analyze the acquired thermal images or temperature data. By identifying localized overheating areas and their abnormal temperature characteristics, they indirectly infer the thickness, distribution, and morphology of the scale inside the boiler.

[0005] However, current methods rely heavily on manual operation of infrared thermal imagers for multi-point detection. The distance between the infrared thermal imager and the outer wall of the boiler is difficult to keep consistent during each measurement, which leads to errors in the detection results caused by changes in the distance measurement, reducing the accuracy of scale identification and assessment. Utility Model Content

[0006] In view of this, the purpose of this utility model is to provide a boiler scale auxiliary detection device to solve the problem that in the prior art, it is difficult to keep the distance between the infrared thermal imager and the outer wall of the boiler consistent during measurement, which leads to the error interference caused by the change in distance in the detection results, and reduces the accuracy of scale identification and assessment.

[0007] This utility model is achieved through the following technical solution: A boiler scale auxiliary detection device includes two support plates installed at the bottom of the boiler, the two support plates being located on both sides of the boiler respectively, and a connecting rod installed between the two support plates. The two ends of the connecting rod pass through the corresponding support plates respectively and are rotatably connected to the corresponding support plates. One of the support plates is equipped with a connecting plate, and the connecting plate has a first through hole adapted to the connecting rod. The connecting rod passes through the first through hole and is slidably connected to the connecting plate. A first ring body fitted on the boiler is fixedly connected to the connecting plate. A gear ring fitted on the boiler is rotatably connected to the first ring body. A detection component is installed on the gear ring. One of the support plates is equipped with a drive component for driving the gear ring to rotate.

[0008] Furthermore, the drive assembly includes a motor fixedly connected to a corresponding support plate. The output shaft of the motor is fixedly connected to a connecting rod. A first gear meshing with a gear ring is installed on the connecting rod. A second through hole adapted to the connecting rod is opened on the first gear. The connecting rod passes through the second through hole and is slidably connected to the first gear. A groove for accommodating the first gear is opened on the side wall of the connecting plate. The first gear is located in the groove.

[0009] Furthermore, a screw and a guide rod are installed between the two support plates, with the two ends of the screw passing through the corresponding support plates and being rotatably connected to the corresponding support plates; The connecting plate has a threaded hole adapted to the screw and a third through hole adapted to the guide rod. The screw passes through the threaded hole and is threadedly connected to the connecting plate, and the guide rod passes through the third through hole and is slidably connected to the connecting plate. A transmission assembly is provided between the screw and the connecting rod, and the transmission assembly can drive the screw to rotate during the rotation of the connecting rod.

[0010] Furthermore, the transmission assembly includes a second gear fixedly connected to the connecting rod and a third gear fixedly connected to the screw, wherein the second gear meshes with the third gear.

[0011] Furthermore, a limiting strip is fixedly connected to the connecting rod, the limiting strip extends along the length of the connecting rod, and the first gear has a slot adapted to the limiting strip. The first gear rotates synchronously with the connecting rod through the limiting strip, and can slide along the axial direction of the connecting rod at the same time.

[0012] Furthermore, a first annular protrusion is fixedly connected to the side of the toothed ring near the first ring body, and a first sliding groove adapted to the first protrusion is provided on the first ring body, and the first protrusion is rotatably connected in the first sliding groove.

[0013] Furthermore, a second ring is installed on the side of the gear ring away from the first ring body, the gear ring and the second ring body are rotatably connected, and the second ring body is fixedly connected to the connecting plate.

[0014] Furthermore, a second annular protrusion is fixedly connected to the side of the toothed ring near the second ring body. A second sliding groove adapted to the second protrusion is provided on the second ring body, and the second protrusion is rotatably connected in the second sliding groove.

[0015] The beneficial effects of this utility model are as follows: This boiler scale-assisted detection device uses a controller to rotate the motor's output shaft clockwise, which in turn rotates the connecting rod and the first gear clockwise. The first gear meshes with a gear ring, causing the gear ring to rotate counterclockwise. During the counterclockwise rotation of the gear ring, the controller controls an infrared thermal imager to continuously collect temperature data from the boiler's outer wall. Operators then use this information to determine the presence of scale inside the boiler. Compared to existing technologies, this device maintains a relatively consistent distance between the infrared thermal imager and the boiler's outer wall during multi-point detection, reducing errors caused by distance variations and improving the accuracy of scale identification and assessment.

[0016] Other advantages, objectives, and features of this invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination and study, or may be learned from practice of this invention. The objectives and other advantages of this invention can be realized and obtained through the following description. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the use of this utility model. Figure 1 ; Figure 2 This is a schematic diagram of the use of this utility model. Figure 2 ; Figure 3 This is a schematic diagram of the structure of this utility model; Figure 4 This is a partial structural diagram of the present invention. Figure 1 ; Figure 5 This utility model Figure 4 A magnified view of a section at point A in the middle; Figure 6 This is a partial structural diagram of the present invention. Figure 2 ; Figure 7 This utility model Figure 6 A magnified view of a section at point B.

[0018] In the picture: 1. Boiler; 2. Support plate; 3. Connecting rod; 4. Connecting plate; 5. First through hole; 6. First ring body; 7. Gear ring; 8. Detection component; 9. Drive component; 10. Motor; 11. First gear; 12. Second through hole; 13. Groove; 14. Screw; 15. Guide rod; 16. Threaded hole; 17. Third through hole; 18. Transmission component; 19. Second gear; 20. Third gear; 21. Limiting strip; 22. Slot; 23. First protrusion; 24. First slide groove; 25. Second ring body; 26. Second protrusion; 27. Second slide groove. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0020] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0021] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0022] In the above description of this utility model, it should be noted that the terms "one side," "the other side," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0023] Furthermore, terms such as "identical" do not imply that components must be absolutely identical; minor differences are permissible. The term "perpendicular" simply means that the positional relationship between components is more perpendicular than "parallel," not that the structure must be perfectly perpendicular; a slight tilt is acceptable.

[0024] Please see Figure 1-7 This utility model provides a technical solution: a boiler scale auxiliary detection device, including two support plates 2 installed at the bottom of the boiler 1, the two support plates 2 are respectively located on both sides of the boiler 1, and a connecting rod 3 is installed between the two support plates 2. The two ends of the connecting rod 3 pass through the corresponding support plates 2 and are rotatably connected to the corresponding support plates 2. One of the support plates 2 is equipped with a connecting plate 4. The connecting plate 4 has a first through hole 5 that is adapted to the connecting rod 3. The connecting rod 3 passes through the first through hole 5 and is slidably connected to the connecting plate 4. A first ring 6 that is sleeved on the boiler 1 is fixedly connected to the connecting plate 4. A gear ring 7 that is sleeved on the boiler 1 is rotatably connected to the first ring 6. A detection component 8 is installed on the gear ring 7. One of the support plates 2 is equipped with a drive component 9 for driving the gear ring 7 to rotate.

[0025] The drive assembly 9 includes a motor 10 fixedly connected to a corresponding support plate 2. The output shaft of the motor 10 is fixedly connected to a connecting rod 3. A first gear 11 that meshes with a gear ring 7 is installed on the connecting rod 3. A second through hole 12 adapted to the connecting rod 3 is provided on the first gear 11. The connecting rod 3 passes through the second through hole 12 and is slidably connected to the first gear 11. A groove 13 for accommodating the first gear 11 is provided on the side wall of the connecting plate 4. The first gear 11 is located in the groove 13.

[0026] A limiting strip 21 is fixedly connected to the connecting rod 3. The limiting strip 21 extends along the length of the connecting rod 3. The first gear 11 has a slot 22 that matches the limiting strip 21. The first gear 11 rotates synchronously with the connecting rod 3 through the limiting strip 21 and can slide along the axial direction of the connecting rod 3.

[0027] In this solution, by placing the two support plates 2 on both sides of the boiler 1, the boiler 1 can be supported more stably.

[0028] A first ring 6, which is fixedly connected to the connecting plate 4 and sleeved on the boiler 1, is rotatably connected to a gear ring 7, which is also sleeved on the boiler 1. A detection component 8, including an infrared thermal imager, is mounted on the gear ring 7. The infrared thermal imager, model HM-TP52+-3AQF, is fixedly installed inside the gear ring 7. This allows the infrared thermal imager to rotate around the outer wall of the boiler 1 as the gear ring 7 rotates around its outer wall.

[0029] A drive assembly 9 for rotating the gear ring 7 is installed on one of the support plates 2. The drive assembly 9 includes a motor 10 fixedly connected to the corresponding support plate 2. The motor 10 is electrically connected to a controller, which is electrically connected to an infrared thermal imager. The model of the motor 10 can be YGYGBYGAYGP, and the model of the controller can be OHR-PR20. The output shaft of the motor 10 is fixedly connected to a connecting rod 3. A first gear 11 that meshes with the gear ring 7 is installed on the connecting rod 3. A second through hole 12 adapted to the connecting rod 3 is opened on the first gear 11. The connecting rod 3 passes through the second through hole 12 and is slidably connected to the first gear 11. A groove 13 for accommodating the first gear 11 is opened on the side wall of the connecting plate 4. The first gear 11 is located in the groove 13. During the rotation of the output shaft of the controller-controlled motor 10, the connecting rod 3 is driven to rotate. During the rotation of the connecting rod 3, the first gear 11 is driven to rotate. During the rotation of the first gear 11, the gear ring 7 and the infrared thermal imager are driven to rotate. The controller controls the infrared thermal imager to perform circumferential detection on the outer wall of the boiler 1. The operator judges whether there is scale inside the boiler 1 based on the information collected by the infrared thermal imager.

[0030] How to use: The controller controls the output shaft of motor 10 to rotate clockwise, which in turn drives connecting rod 3 and first gear 11 to rotate clockwise. First gear 11 meshes with gear ring 7, driving gear ring 7 to rotate counterclockwise. During the counterclockwise rotation of gear ring 7, the controller controls infrared thermal imager to continuously collect temperature data of the outer wall of boiler 1. The operator uses the information collected by infrared thermal imager to determine whether there is scale inside boiler 1.

[0031] Technical benefits: Compared with existing technologies, the distance between the infrared thermal imager and the outer wall of boiler 1 is relatively consistent during multi-point detection, which reduces the error caused by distance variation and improves the accuracy of scale identification and assessment.

[0032] In this embodiment: a screw 14 and a guide rod 15 are installed between the two support plates 2. The two ends of the screw 14 pass through the corresponding support plates 2 and are rotatably connected to the corresponding support plates 2. The connecting plate 4 has a threaded hole 16 that matches the screw 14 and a third through hole 17 that matches the guide rod 15. The screw 14 passes through the threaded hole 16 and is threadedly connected to the connecting plate 4. The guide rod 15 passes through the third through hole 17 and is slidably connected to the connecting plate 4. A transmission assembly 18 is provided between the screw 14 and the connecting rod 3, and the transmission assembly 18 can drive the screw 14 to rotate during the rotation of the connecting rod 3.

[0033] The transmission assembly 18 includes a second gear 19 fixedly connected to the connecting rod 3 and a third gear 20 fixedly connected to the screw 14, wherein the second gear 19 meshes with the third gear 20.

[0034] In this design: a screw 14 and a guide rod 15 are installed between the two support plates 2. Both ends of the screw 14 pass through the corresponding support plates 2 and are rotatably connected to them. A threaded hole 16 adapted to the screw 14 and a third through hole 17 adapted to the guide rod 15 are provided on the connecting plate 4. The screw 14 passes through the threaded hole 16 and is threadedly connected to the connecting plate 4, while the guide rod 15 passes through the third through hole 17 and is slidably connected to the connecting plate 4. A transmission assembly 18 is provided between the screw 14 and the connecting rod 3. The transmission assembly 18 can drive the screw 14 to rotate during the rotation of the connecting rod 3. The transmission assembly 18 includes a second gear 19 fixedly connected to the connecting rod 3 and a third gear 20 fixedly connected to the screw 14. The second gear 19 and the third gear 20 mesh with each other.

[0035] How to use: The controller controls the output shaft of motor 10 to rotate clockwise, driving connecting rod 3, first gear 11, and second gear 19 to rotate clockwise. Second gear 19 meshes with third gear 20, driving third gear 20 and screw 14 to rotate counter-clockwise. Since connecting plate 4 is threaded to screw 14 through threaded hole 16 and slidably connected to guide rod 15 through third through hole 17, the counter-clockwise rotation of screw 14 drives connecting plate 4 to move along the length of guide rod 15. During this movement, connecting plate 4 drives first gear 11, first ring 6, and gear ring 7 to move along the length of guide rod 15. This allows the infrared thermal imager to simultaneously rotate around the outer wall of boiler 1 and move along the length of guide rod 15, forming a spiral scanning path, enabling the detection of a larger area of ​​the outer wall of boiler 1.

[0036] In this embodiment: a first annular protrusion 23 is fixedly connected to the side of the gear ring 7 near the first ring body 6. The first ring body 6 has a first sliding groove 24 adapted to the first protrusion 23, and the first protrusion 23 is rotatably connected within the first sliding groove 24. This allows the gear ring 7 to rotate more stably on the first ring body 6.

[0037] By installing a second ring 25 on the side of the gear ring 7 away from the first ring 6, the gear ring 7 is rotatably connected to the second ring 25, and the second ring 25 is fixedly connected to the connecting plate 4. The gear ring 7 is located between the first ring 6 and the second ring 25, making the gear ring 7 move more stably with the connecting plate 4 along the length direction of the guide rod 15.

[0038] The gear ring 7 is fixedly connected to a second annular protrusion 26 on the side near the second ring body 25. The second ring body 25 has a second sliding groove 27 that matches the second protrusion 26, and the second protrusion 26 is rotatably connected within the second sliding groove 27. This allows the gear ring 7 to rotate more stably on the first ring body 6 and the second ring body 25.

[0039] In this solution: a first annular protrusion 23 is fixedly connected to the side of the toothed ring 7 near the first ring body 6, and a first sliding groove 24 adapted to the first protrusion 23 is opened on the first ring body 6, and the first protrusion 23 is rotatably connected in the first sliding groove 24.

[0040] The toothed ring 7 is mounted on the side away from the first ring body 6 with a second ring body 25 installed. The toothed ring 7 and the second ring body 25 are rotatably connected, and the second ring body 25 is fixedly connected to the connecting plate 4.

[0041] The toothed ring 7 is fixedly connected to a second annular protrusion 26 on the side near the second ring body 25. The second ring body 25 is provided with a second sliding groove 27 that matches the second protrusion 26. The second protrusion 26 is rotatably connected in the second sliding groove 27.

[0042] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A boiler scale auxiliary detection device, comprising two support plates (2) installed at the bottom of a boiler (1), the two support plates (2) being located on opposite sides of the boiler (1), characterized in that: A connecting rod (3) is installed between the two support plates (2), and the two ends of the connecting rod (3) pass through the corresponding support plates (2) respectively and are rotatably connected to the corresponding support plates (2); A connecting plate (4) is installed on one of the support plates (2). A first through hole (5) adapted to the connecting rod (3) is opened on the connecting plate (4). The connecting rod (3) passes through the first through hole (5) and is slidably connected to the connecting plate (4). A first ring (6) sleeved on the boiler (1) is fixedly connected on the connecting plate (4). A gear ring (7) sleeved on the boiler (1) is rotatably connected on the first ring (6). A detection component (8) is installed on the gear ring (7). A drive component (9) for driving the gear ring (7) to rotate is installed on one of the support plates (2).

2. The boiler scale auxiliary detection device according to claim 1, characterized in that: The drive assembly (9) includes a motor (10) fixedly connected to a corresponding support plate (2). The output shaft of the motor (10) is fixedly connected to a connecting rod (3). A first gear (11) meshing with a gear ring (7) is installed on the connecting rod (3). A second through hole (12) adapted to the connecting rod (3) is provided on the first gear (11). The connecting rod (3) passes through the second through hole (12) and is slidably connected to the first gear (11). A groove (13) for accommodating the first gear (11) is provided on the side wall of the connecting plate (4). The first gear (11) is located in the groove (13).

3. The boiler scale auxiliary detection device according to claim 2, characterized in that: A screw (14) and a guide rod (15) are installed between the two support plates (2). The two ends of the screw (14) pass through the corresponding support plates (2) respectively and are rotatably connected to the corresponding support plates (2). The connecting plate (4) is provided with a threaded hole (16) adapted to the screw (14) and a third through hole (17) adapted to the guide rod (15). The screw (14) passes through the threaded hole (16) and is threadedly connected to the connecting plate (4). The guide rod (15) passes through the third through hole (17) and is slidably connected to the connecting plate (4). A transmission assembly (18) is provided between the screw (14) and the connecting rod (3), and the transmission assembly (18) can drive the screw (14) to rotate during the rotation of the connecting rod (3).

4. The boiler scale auxiliary detection device according to claim 3, characterized in that: The transmission assembly (18) includes a second gear (19) fixedly connected to the connecting rod (3) and a third gear (20) fixedly connected to the screw (14), wherein the second gear (19) meshes with the third gear (20).

5. The boiler scale auxiliary detection device according to claim 2, characterized in that: A limiting strip (21) is fixedly connected to the connecting rod (3). The limiting strip (21) extends along the length of the connecting rod (3). A slot (22) adapted to the limiting strip (21) is provided on the first gear (11). The first gear (11) rotates synchronously with the connecting rod (3) through the limiting strip (21) and can slide along the axial direction of the connecting rod (3).

6. The boiler scale auxiliary detection device according to claim 1, characterized in that: The toothed ring (7) is fixedly connected to a first annular protrusion (23) on the side near the first ring body (6). The first ring body (6) is provided with a first sliding groove (24) that matches the first protrusion (23). The first protrusion (23) is rotatably connected in the first sliding groove (24).

7. The boiler scale auxiliary detection device according to claim 1, characterized in that: The toothed ring (7) is mounted with a second ring (25) on the side away from the first ring (6). The toothed ring (7) is rotatably connected to the second ring (25), and the second ring (25) is fixedly connected to the connecting plate (4).

8. The boiler scale auxiliary detection device according to claim 7, characterized in that: The toothed ring (7) is fixedly connected to a second annular protrusion (26) on the side near the second ring body (25). The second ring body (25) is provided with a second sliding groove (27) that matches the second protrusion (26). The second protrusion (26) is rotatably connected in the second sliding groove (27).

Images