Corrosion-resistant spraying device for tube bank of power generation boiler

Abstract

The utility model relates to a power generation boiler tube bank corrosion-resistant spraying device which comprises a vehicle body, a lifting assembly, a spraying assembly, a conveying assembly and a camera. The spraying assembly comprises a plurality of sprayers which are arranged at intervals in the first direction; the multiple nozzles are slidably connected to the power output end of the lifting assembly in the first direction. The conveying assembly is fixedly arranged on the vehicle body and communicates with the spray head; the camera is fixedly arranged at the power output end of the lifting assembly and used for monitoring the operation space of the spray head. The first direction is perpendicular to the lifting direction of the lifting assembly. According to the corrosion-resistant spraying device for the tube bank of the power generation boiler, the spraying assembly is arranged on the vehicle body, so that the maneuverability and the flexibility of the spraying device are improved; the lifting assembly is arranged on the vehicle body and drives the spray head to move up and down, so that the spray head sprays the pipe rows at different height positions, and the risk that operators fall down is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler tube banks, and in particular to a corrosion-resistant spraying device for power generation boiler tube banks. Background Art

[0002] Since the tubes of the power generation boiler are made of metal, they will self-corrode during long-term use, especially in high temperature, high pressure and high oxygen environment, and will be corroded by oxides in the air, resulting in reduced thickness of the outer wall of the pipe, pipe rupture and other problems. In order to prevent the tubes from self-corroding, corrosion-resistant coatings are usually applied to the outer wall of the boiler tubes to achieve corrosion resistance and corrosion resistance.

[0003] At present, the size of power generation boilers is relatively large. When applying corrosion-resistant powder to boiler tubes, the lower part of the tubes is generally applied manually, while the upper part of the tubes is applied manually by adding a climbing frame around the tubes. The existing technology still has the following deficiencies: (1) Manual application results in uneven application and poor application quality, which affects the service life of the tubes; (2) Manual application results in low application efficiency; (3) Manual application results in high labor intensity, and workers may fall accidentally, threatening their lives. Utility Model Content

[0004] The utility model provides a corrosion-resistant spraying device for power generation boiler tube banks, which is used to solve the technical problems of manual coating in the prior art, uneven coating, poor coating quality, affecting the service life of the tube banks and low coating efficiency.

[0005] The utility model provides a corrosion-resistant spraying device for a power generation boiler tube row, comprising:

[0006] Vehicle body;

[0007] A lifting assembly, which is fixed to the vehicle body;

[0008] A spraying assembly, comprising a spray head, wherein the spray heads are multiple and arranged at intervals along a first direction; the multiple spray heads are slidably connected to the power output end of the lifting assembly along the first direction;

[0009] A conveying assembly, which is fixed to the vehicle body, and the conveying assembly is connected to the nozzle; and

[0010] A camera, which is fixedly mounted at the power output end of the lifting assembly and is used to monitor the working space of the nozzle;

[0011] Wherein, the first direction is perpendicular to the lifting direction of the lifting component.

[0012] The utility model provides a corrosion-resistant spraying device for a power generation boiler tube bank. On the first hand, by arranging the spraying component on the vehicle body, the maneuverability and flexibility of the spraying device are improved; on the second hand, by arranging a lifting component on the vehicle body, the lifting component drives the spray head to move up and down, so that the spray head can spray different heights of the tube bank, and compared with the manual climbing operation in the prior art, the risk of falling of the operator is avoided; on the third hand, the spray head is slidably connected to the power output end of the lifting component along a first direction, and the position of the spray head is adjustable, so as to ensure that the spray head can spray the outer wall surface of the tube bank and the gap between two adjacent tube banks, thereby improving the quality of spraying; on the fourth hand, a camera is arranged to facilitate the operator to observe the coating condition of the tube bank in real time.

[0013] Furthermore, a bracket is fixedly provided at the power output end of the lifting assembly;

[0014] The spray assembly includes a support rod, the support rod has a plurality of support rods and the number of the support rods corresponds to the number of the spray heads, the spray heads are arranged at the upper ends of the support rods, and the support rods are slidably connected to the bracket along the first direction. With such an arrangement, the distance between any adjacent spray heads can be adjusted, which can adapt to the spraying operation of pipe rows with different spacings.

[0015] Further, the bracket is provided with an adjustment component, and the adjustment component includes a guide rail;

[0016] The support rod is connected with a sliding block, and the sliding block is slidably connected to the guide rail along the first direction.

[0017] Furthermore, the guide rail is provided with a first adjustment hole, which has a plurality of holes and is arranged at intervals along the length direction of the guide rail; the slider is provided with a second adjustment hole, and the second adjustment hole is connected to the second adjustment hole by bolts. Such an arrangement improves the reliability of the nozzle fixation.

[0018] Furthermore, the bracket is fixed with a bearing frame, and the guide rail is fixed on the bearing frame.

[0019] Further, the delivery assembly includes a spray tank and a delivery pipe, the spray tank is fixedly mounted on the vehicle body, the delivery pipe extends along the second direction, the delivery pipe is connected to the spray tank, the output end of the delivery pipe is respectively connected to a plurality of shunt pipes, and the output ends of the plurality of shunt pipes are respectively connected to a plurality of the nozzles;

[0020] The second direction is perpendicular to the first direction.

[0021] Furthermore, the spray tanks are provided in plurality and spaced apart along the second direction, and the outlet of the spray tank is provided with a first control valve. In this way, the plurality of spray tanks can meet the large amount of pipe row spraying work.

[0022] Furthermore, a second control valve is provided between the diverter pipe and the nozzle.

[0023] Furthermore, the lifting assembly includes a first column, a screw rod and a slide seat, the bottom end of the first column is fixed to the vehicle body, one end of the screw rod is pivotally connected to the first column, the other end of the screw rod is pivotally connected to a driving component, the slide seat is slidably connected to the screw rod, and one end of the bracket is fixed to the slide seat.

[0024] Furthermore, the lifting assembly further comprises a second column, the second column and the first column are arranged parallel to each other in the first direction, the second column is provided with a guide bar, and the other end of the bracket is slidably connected to the guide bar. Such an arrangement provides guidance for the lifting of the nozzle and improves the stability of the lifting.

[0025] Furthermore, the second column is provided with a through hole, and the shunt pipe passes through the through hole.

[0026] Furthermore, the bracket is provided with a connecting rod, and the camera is fixed on the connecting rod.

[0027] Furthermore, the camera is tilted downward to point to the nozzle; such an arrangement ensures that the monitoring angle of view is always aligned with the working space position of the nozzle of the spraying assembly, which is convenient for real-time monitoring.

[0028] Furthermore, the vehicle body is provided with a controller, and the controller is electrically connected to the vehicle body, the conveying assembly, the lifting assembly, the spraying assembly and the camera respectively.

[0029] Furthermore, the vehicle body is provided with fences, the fences are arranged at intervals along the first direction, the conveying assembly is located between the fences, and the lifting assembly is located between the fences. In this way, the installation of the fences plays a certain protective role for the operator who operates the controller. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 A schematic diagram of the assembly structure of a corrosion-resistant spraying device for a power generation boiler tube bank provided by an embodiment of the utility model;

[0031] Figure 2 A schematic diagram of the structure of a spraying assembly in a corrosion-resistant spraying device for a power generation boiler tube bank provided by an embodiment of the utility model;

[0032] Figure 3 A schematic side view of a lifting assembly in a corrosion-resistant spraying device for a power generation boiler tube bank provided by an embodiment of the utility model;

[0033] Figure 4A schematic side view of an adjusting component in a corrosion-resistant spraying device for a power generation boiler tube bank provided by an embodiment of the utility model;

[0034] Figure 5 A schematic diagram of the three-dimensional structure of an adjustment component in a corrosion-resistant spraying device for a power generation boiler tube bank provided by an embodiment of the utility model;

[0035] Description of reference numerals:

[0036] 1. Car body; 2. Conveying assembly; 201. Spray can; 202. Conveying pipe; 203. Diverter pipe; 3. Lifting assembly; 301. First column; 3011. Motor; 302. Second column; 3012. Screw rod; 3013. Sliding seat; 3021. Through hole; 4. Bracket; 5. Adjusting assembly; 501. Guide rail; 502. First adjusting hole; 6. Spraying assembly; 601. Sliding block; 6011. Second adjusting hole; 602. Support rod; 603. Spray head; 701. Camera; 702. Connecting rod; 8. Controller; 9. Fence. DETAILED DESCRIPTION

[0037] In order to make the above-mentioned purpose, features and advantages of the present invention more obvious and easy to understand, the following is a brief description of the present invention in conjunction with the attached Figure 1 —5 The specific embodiments of the present invention are described in detail.

[0038] In the description of the embodiments of the present utility model, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect" and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0039] In the description of the embodiments of the present utility model, it should be noted that if the terms "upper", "lower", "horizontal", "inner", "front", "rear", etc. indicate an orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the invented product is usually placed when in use, it is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0040] The utility model embodiment provides a corrosion-resistant spraying device for a power generation boiler tube row, see attached Figure 1The corrosion-resistant spraying device for power boiler tube row includes a vehicle body 1, a lifting component 3, a spraying component 6, a conveying component 2 and a camera 701. The lifting component 3 is fixedly mounted on the vehicle body 1; the spraying component 6 includes a spray head 603, and the spray heads 603 have a plurality of them and are arranged at intervals along a first direction; the plurality of spray heads 603 are slidably connected to the power output end of the lifting component 3 along the first direction; the conveying component 2 is fixedly mounted on the vehicle body 1, and the conveying component 2 is connected to the spray heads 603; and the camera 701 is fixedly mounted on the power output end of the lifting component 3, and is used to monitor the working space of the spray heads 603; wherein the first direction is perpendicular to the lifting direction of the lifting component 3.

[0041] It should be noted that the boiler tubes are arranged vertically and spaced apart, and the first direction can be the length direction of the vehicle body 1 or the width direction of the vehicle body 1 , wherein the length direction of the vehicle body 1 refers to the forward or backward direction of the vehicle body 1 .

[0042] It should be noted that the conveying component 2 is used to store and convey the corrosion-resistant material powder.

[0043] It should be noted that the camera 701 is used to monitor the working space of the nozzle 603, so that the operator can observe the coating of the pipe row in real time.

[0044] It should be noted that when the operator controls the vehicle body 1 to move to the pipe row position, the position of the nozzle 603 of the nozzle assembly is first adjusted so that the nozzle 603 can spray the outer wall of the pipe row and the gap between two adjacent pipe rows; then the lifting assembly 3 is controlled to drive the nozzle 603 to rise and fall in the vertical direction to achieve spraying of the pipe row along the length direction; during the spraying process, the conveying assembly 2 conveys corrosion-resistant material powder to the nozzle 603.

[0045] Therefore, an embodiment of the utility model provides a corrosion-resistant spraying device for a power generation boiler tube bank. On the one hand, by arranging the spraying assembly 6 on the vehicle body 1, the maneuverability and flexibility of the spraying device are improved; on the other hand, by arranging a lifting assembly 3 on the vehicle body 1, the lifting assembly 3 drives the nozzle 603 to move up and down, so that the nozzle 603 can spray different height positions of the tube bank. Compared with the manual climbing operation in the prior art, the risk of falling of the operator is avoided; on the third hand, the nozzle 603 is slidably connected to the power output end of the lifting assembly 3 along a first direction, and the position of the nozzle 603 is adjustable to ensure that the nozzle 603 can spray the outer wall surface of the tube bank and the gap between two adjacent tube banks, thereby improving the quality of spraying; on the fourth hand, a camera 701 is provided to facilitate the operator to observe the coating condition of the tube bank in real time.

[0046] The utility model embodiment, see attached Figure 2The power output end of the lifting assembly 3 is fixed with a bracket 4; the spray assembly 6 includes a support rod 602, and the support rod 602 has a plurality of support rods 602, and the number of support rods 602 corresponds to the number of spray heads 603. The spray heads 603 are arranged at the upper ends of the support rods 602, and the support rods 602 are slidably connected to the bracket 4 along the first direction. In this way, the distance between any adjacent spray heads 603 can be adjusted, which can adapt to the spraying operation of pipe rows with different spacings.

[0047] The utility model embodiment, see attached Figure 2 The bracket 4 is provided with an adjustment component 5, and the adjustment component 5 includes a guide rail 501; the support rod 602 is connected to a slider 601, and the slider 601 is connected to the guide rail 501 in a sliding manner along a first direction.

[0048] The utility model embodiment, see attached Figure 2 and Figure 5 The guide rail 501 is provided with a first adjustment hole 502, which has a plurality of holes and is arranged at intervals along the length direction of the guide rail 501; the slider 601 is provided with a second adjustment hole 6011, and the second adjustment holes 6011 are connected to the second adjustment holes 6011 by bolts. Such an arrangement improves the reliability of fixing the nozzle 603.

[0049] In the embodiment of the utility model, the bracket 4 is fixedly provided with a bearing frame, and the guide rail 501 is fixedly provided on the bearing frame.

[0050] The utility model embodiment, see attached Figure 1 The delivery component 2 includes a spray tank 201 and a delivery pipe 202. The spray tank 201 is fixed to the vehicle body 1. The delivery pipe 202 extends along the second direction. The delivery pipe 202 is connected to the spray tank 201. The output ends of the delivery pipe 202 are respectively connected to multiple branch pipes 203. The output ends of the multiple branch pipes 203 are respectively connected to multiple nozzles 603; wherein the second direction is perpendicular to the first direction.

[0051] The utility model embodiment, see attached Figure 1 The spray tank 201 has multiple spray tanks 201 and is arranged at intervals along the second direction. The outlet of the spray tank 201 is provided with a first control valve. In this way, multiple spray tanks 201 can meet the large amount of pipe row spraying operations.

[0052] In the embodiment of the utility model, a second control valve is provided between the shunt pipe 203 and the nozzle 603 .

[0053] It should be noted that before the nozzle 603 performs the spraying operation, the control valve at the outlet of the spray tank 201 is opened first, so that the corrosion-resistant material powder in the spray tank 201 is transported to the diversion pipe 203 through the delivery pipe 202, and then the control valve between the diversion pipe 203 and the nozzle 603 is opened to allow the corrosion-resistant material powder to be sprayed out through the nozzle 603.

[0054] The utility model embodiment, see attached Figure 3 The lifting assembly 3 includes a first column 301, a screw rod 3012 and a slide 3013. The bottom end of the first column 301 is fixed to the vehicle body 1. One end of the screw rod 3012 is pivotally connected to the first column 301. The other end of the screw rod 3012 is pivotally connected to a driving component. The slide 3013 is slidably connected to the screw rod 3012. One end of the bracket 4 is fixed to the slide 3013.

[0055] The utility model embodiment, see attached Figure 3 The lifting assembly 3 further includes a second column 302, which is arranged parallel to and spaced from the first column 301 along the first direction. The second column 302 is provided with a guide bar, and the other end of the bracket 4 is slidably connected to the guide bar.

[0056] In the embodiment of the utility model, the bracket 4 is a U-shaped structure.

[0057] The utility model embodiment, see attached Figure 3 The second column 302 is provided with a through hole 3021, and the shunt pipe 203 passes through the through hole 3021. It should be noted that the shunt pipe 203 has plasticity.

[0058] The utility model embodiment, see attached Figure 4 The bracket 4 is provided with a connecting rod 702 , and the camera 701 is fixed on the connecting rod 702 .

[0059] The utility model embodiment, see attached Figure 4 , the camera 701 is tilted downward and points to the nozzle 603. Such an arrangement ensures that the monitoring viewing angle is always aligned with the working space position of the nozzle 603 of the spraying assembly 6, which is convenient for real-time monitoring.

[0060] In the embodiment of the utility model, the vehicle body 1 is provided with a controller 8, and the controller 8 is electrically connected to the vehicle body 1, the conveying assembly 2, the lifting assembly 3, the spraying assembly 6 and the camera 701 respectively.

[0061] In the embodiment of the utility model, the vehicle body 1 is provided with fences 9, which are arranged at intervals along the first direction, the conveying assembly 2 is located between the fences 9, and the lifting assembly 3 is located between the fences. In this way, the installation of the fences 9 plays a certain protective role for the operator who operates the controller 8.

[0062] Although the utility model is disclosed as above, the utility model is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the utility model. Therefore, the protection scope of the utility model shall be subject to the scope defined by the claims.

Claims

1. A corrosion-resistant spraying device for power generation boiler tube bank, characterized in that: include: Vehicle body (1); A lifting assembly (3) fixedly mounted on the vehicle body (1); A spraying assembly (6) comprises a spray head (603), wherein the spray heads (603) are multiple and arranged at intervals along a first direction; the multiple spray heads (603) are slidably connected to the power output end of the lifting assembly (3) along the first direction; A conveying assembly (2) fixedly mounted on the vehicle body (1), wherein the conveying assembly (2) is connected to the nozzle (603); and A camera (701) is fixedly mounted on the power output end of the lifting assembly (3) and is used to monitor the working space of the nozzle (603); Wherein, the first direction is perpendicular to the lifting direction of the lifting component (3).

2. The corrosion-resistant spraying device for power generation boiler tube bank according to claim 1 is characterized in that: A bracket (4) is fixedly provided at the power output end of the lifting component (3); The spraying assembly (6) comprises a support rod (602), the support rod (602) having a plurality of support rods (602) and the number of the support rods (602) corresponding to the number of the spray heads (603), the spray heads (603) being arranged at the upper ends of the support rods (602), and the support rods (602) being slidably connected to the bracket (4) along the first direction.

3. The corrosion-resistant spraying device for power generation boiler tube bank according to claim 2 is characterized in that: The bracket (4) is provided with an adjustment component (5), and the adjustment component (5) comprises a guide rail (501); The support rod (602) is connected to a slider (601), and the slider (601) is slidably connected to the guide rail (501) along the first direction.

4. The corrosion-resistant spraying device for power generation boiler tube bank according to claim 3 is characterized in that: The guide rail (501) is provided with a first adjustment hole (502), and the first adjustment holes (502) are multiple and are arranged at intervals along the length direction of the guide rail (501); The sliding block (601) is provided with a second adjustment hole (6011), and the second adjustment hole (6011) and the second adjustment hole (6011) are connected with each other by bolts; And / or, the support (4) is fixedly provided with a bearing frame, and the guide rail (501) is fixedly provided on the bearing frame.

5. The corrosion-resistant spraying device for power generation boiler tube bank according to any one of claims 2 to 4, characterized in that: The delivery assembly (2) comprises a spray tank (201) and a delivery pipe (202), wherein the spray tank (201) is fixedly mounted on the vehicle body (1), and the delivery pipe (202) extends along the second direction, the delivery pipe (202) is connected to the spray tank (201), and the output end of the delivery pipe (202) is respectively connected to a plurality of shunt pipes (203), and the output ends of the plurality of shunt pipes (203) are respectively connected to a plurality of spray heads (603); The second direction is perpendicular to the first direction.

6. The corrosion-resistant spraying device for power generation boiler tube bank according to claim 5 is characterized in that: The spray tank (201) has a plurality of them and is arranged at intervals along the second direction; a first control valve is provided at the outlet of the spray tank (201); and / or a second control valve is provided between the diverter pipe (203) and the spray head (603).

7. The corrosion-resistant spraying device for power generation boiler tube bank according to claim 5 is characterized in that: The lifting assembly (3) comprises a first column (301), a screw rod (3012) and a slide seat (3013); the bottom end of the first column (301) is fixed to the vehicle body (1); one end of the screw rod (3012) is pivotally connected to the first column (301); the other end of the screw rod (3012) is pivotally connected to a driving component; the slide seat (3013) is slidably connected to the screw rod (3012); and one end of the bracket (4) is fixed to the slide seat (3013).

8. The corrosion-resistant spraying device for power generation boiler tube bank according to claim 7 is characterized in that: The lifting assembly (3) further comprises a second column (302), wherein the second column (302) and the first column (301) are arranged in parallel and spaced apart along a first direction, and the second column (302) is provided with a guide bar, and the other end of the bracket (4) is slidably connected to the guide bar.

9. The corrosion-resistant spraying device for power generation boiler tube bank according to claim 8 is characterized in that: The second column (302) is provided with a through hole (3021), and the diverter pipe (203) passes through the through hole (3021).

10. The corrosion-resistant spraying device for power generation boiler tube bank according to any one of claims 2 to 4, characterized in that: The bracket (4) is provided with a connecting rod (702), and the camera (701) is fixedly mounted on the connecting rod (702); and / or, the camera (701) is tilted downwardly toward the nozzle (603); And / or, the vehicle body (1) is provided with a controller (8), and the controller (8) is electrically connected to the vehicle body (1), the conveying component (2), the lifting component (3), the spraying component (6) and the camera (701) respectively; And / or, the vehicle body (1) is provided with fences (9), the fences (9) are arranged at intervals along the first direction, the conveying assembly (2) is located between the fences (9), and the lifting assembly (3) is located between the fences (9).

Images