Device for cleaning boiler pipe wall

Abstract

The utility model discloses a device for cleaning a boiler pipe wall. The device comprises a barrel body, a transmission motor, a centrifugal assembly and a cleaning assembly, the interior of the barrel body is divided into a first chamber, a second chamber and a third chamber which are not communicated with one another by partition plates; a transmission motor is fixedly mounted in the first cavity; cleaning liquid is contained in the second cavity; the second chamber is communicated and connected with the cleaning pipe; the outlet end of the cleaning pipe is located in the first cavity. A water pump is mounted on the cleaning pipe; a plurality of liquid through holes are formed in the peripheral surface of the outer side of the barrel body; the liquid through hole is communicated with the first chamber; the output end of the transmission motor is fixedly connected with the centrifugal assembly. The centrifugal assembly is connected with the cleaning assembly; a cleaning brush mechanism on the cleaning assembly can move. According to the device for cleaning the boiler pipe wall, the pressure of the cleaning assembly on the boiler pipe wall is reduced, and the inner wall of a pipeline is protected.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler equipment, in particular to a device for cleaning a boiler tube wall. Background Art

[0002] In thermal power plants, boilers are important energy conversion equipment. Their internal structure includes key components such as water-cooled walls, superheaters, reheaters and economizers. These components will inevitably accumulate impurities such as dust and soot during use, thus affecting the thermal efficiency and safe and stable operation of the boiler.

[0003] The existing patent (publication number: CN116809554A) proposes a cleaning device for cleaning the inner wall of a slender steel pipe. The application fixes the mobile steel pipe on a frame through a fixing mechanism, and then the driving mechanism is started to drive the cleaning rod to penetrate into the steel pipe. The cleaning rod moves to drive the cleaning cloth into the steel pipe and wipe the inner wall of the steel pipe, thereby wiping out impurities in the inner wall of the steel pipe, completing the cleaning work of the inner wall of the steel pipe, which is convenient and fast with high work efficiency.

[0004] However, existing boiler tube wall cleaning devices cannot completely cover all areas of the boiler, especially the hard-to-reach corners and gaps, and have a certain degree of adverse effects on the service life and strength of boiler tubes and welds. Careful design is needed to extend the service life. While removing dust accumulation, damage may be caused to the boiler tube wall, especially in the case of incorrect operation or excessive use. Utility Model Content

[0005] In view of this, the utility model proposes a device for cleaning the boiler tube wall.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A device for cleaning a boiler tube wall, comprising a barrel, a transmission motor, a centrifugal assembly and a cleaning assembly;

[0008] The interior of the barrel body is divided into a first chamber, a second chamber, and a third chamber which are not connected to each other by a partition; a transmission motor is fixedly installed inside the first chamber; a cleaning liquid is contained inside the second chamber; the second chamber is connected to a cleaning pipe; the outlet end of the cleaning pipe is located inside the first chamber; a water pump is installed on the cleaning pipe; a plurality of liquid holes are provided on the outer circumferential surface of the barrel body; the liquid holes are connected to the first chamber; the output end of the transmission motor is fixedly connected to the centrifugal assembly; the centrifugal assembly is connected to the cleaning assembly; and the cleaning brush mechanism on the cleaning assembly is movable.

[0009] Furthermore, the centrifugal assembly includes a limit ring, a limit block, a rotating rod, a connecting rod, a second fixed block, a limit rod and a limit groove; the limit block is fixedly connected to the output end of the transmission motor; a plurality of rotating rods are rotatably provided on the side circumferential surface of the limit block; the other end of the rotating rod is rotatably connected to one end of the connecting rod; the other end of the connecting rod is fixedly connected to one end of the second fixed block; the second fixed block and the limit rod are sleeved and fixedly connected; the limit ring is sleeved on the outer ends of the limit block, the rotating rod, the connecting rod and the second fixed block; a plurality of limit grooves are through-opened on the side circumferential surface of the limit ring; a plurality of limit rods are respectively slidably provided in the plurality of limit grooves; a cleaning assembly is fixedly installed on the other end of the second fixed block.

[0010] Further, the cleaning assembly includes a third connecting block and a cleaning brush mechanism;

[0011] The other end of the second fixing block is fixedly connected to one end of the third connecting block;

[0012] The other end of the third connecting block is movably connected to the cleaning brush mechanism.

[0013] Furthermore, the cleaning brush mechanism comprises a support seat, a limit plate, a second roller and a wire brush;

[0014] The other end of the third connecting block is fixedly connected to the supporting seat;

[0015] The outer end of the support seat close to the boiler tube wall is slidably connected to the inner end of the limit plate;

[0016] The outer end of the limiting plate close to the boiler tube wall is rotatably connected to the inner end of the second roller;

[0017] The outer end of the second roller is fixedly connected to the inner end of the wire brush.

[0018] Furthermore, the third chamber is located outside the second chamber; the third chamber and the second chamber are located on one side of the first chamber.

[0019] Furthermore, the side end of the barrel body away from the transmission motor is fixedly connected to the output end of the electric hydraulic push rod;

[0020] The electric hydraulic push rod is fixed in the protective housing;

[0021] The protective shell is fixedly connected to the inner tube wall of the boiler.

[0022] Compared with the existing technology, the beneficial effects of the utility model are:

[0023] (1) The boiler tube wall cleaning device provided by the utility model reduces the pressure of the cleaning component on the boiler tube wall through the action of centrifugal force, thereby reducing the degree of wear of the boiler tube wall by the wire brush; by providing the support seat and the limit plate, the cleaning component can further reduce the pressure on the inner wall of the pipeline when cleaning the boiler tube wall; by providing the second roller and the wire brush, the wire brush can roll on the limit plate, thereby solving the technical problem of accelerated wear of the pipeline due to excessive pressure of the wire brush on the inner wall of the pipeline;

[0024] (2) The boiler tube wall cleaning device provided by the utility model can achieve the effect that the entire device can be moved. When the barrel body is moving, the cleaning liquid can be sprayed and cleaned on the inner wall of the boiler tube, further improving the cleaning effect of the boiler tube wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A three-dimensional diagram of a boiler tube wall cleaning device provided by an embodiment of the utility model;

[0026] Figure 2 A three-dimensional diagram of a centrifugal assembly and a cleaning assembly provided in an embodiment of the utility model;

[0027] Figure 3 A three-dimensional diagram of a centrifugal assembly provided in an embodiment of the utility model;

[0028] Figure 4 A three-dimensional diagram of a cleaning assembly provided by an embodiment of the utility model;

[0029] Figure 5 This is an internal cross-sectional view of a cylinder provided in an embodiment of the utility model.

[0030] In the figure: 1. barrel body; 101. first chamber; 102. second chamber; 103. third chamber; 2. transmission motor; 3. cleaning pipe; 4. water pump; 5. centrifugal assembly; 51. limiting ring; 52. limiting block; 53. rotating rod; 54. connecting rod; 55. second fixed block; 56. limiting rod; 57. limiting groove; 6. cleaning assembly; 61. third connecting block; 62. supporting seat; 63. limiting plate; 64. second roller; 65. wire brush; 7. liquid through hole; 8. protective shell. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0032] In the description of the present invention, unless otherwise specified, "multiple" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention 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 operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", "third" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" 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 an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] Example:

[0035] like Figure 1-5 As shown, a device for cleaning the wall of a boiler tube includes a barrel body 1, a transmission motor 2, a centrifugal assembly 5, a cleaning assembly 6, a centrifugal assembly 5, a cleaning assembly 6 and a liquid spraying assembly 7.

[0036] The interior of the barrel 1 is divided into a first chamber 101, a second chamber 102, and a third chamber 103 which are not connected to each other by a partition. The third chamber is located outside the second chamber 102; the third chamber 103 and the second chamber 102 are located on one side of the first chamber 101. A transmission motor 2 is fixedly installed inside the first chamber 101.

[0037] The centrifugal assembly 5 comprises a limiting ring 51, a limiting block 52, a rotating rod 53, a connecting rod 54, a second fixed block 55, a limiting rod 56 and a limiting groove 57. The limiting block 52 is fixedly connected to the output end of the transmission motor 2; a plurality of rotating rods 53 are rotatably provided on the side circumferential surface of the limiting block 52; the other end of the rotating rod 53 is rotatably connected to one end of the connecting rod 54; the other end of the connecting rod 54 is fixedly connected to one end of the second fixed block 55; the second fixed block 55 and the limiting rod 56 are sleeved and fixedly connected; the limiting ring 51 is sleeved on the outer ends of the limiting block 52, the rotating rod 53, the connecting rod 54 and the second fixed block 55; a plurality of limiting grooves 57 are provided through the side circumferential surface of the limiting ring 51; a plurality of limiting rods 56 are slidably provided in the plurality of limiting grooves 57 respectively.

[0038] The other end of the second fixing block 55 is fixedly mounted with a cleaning assembly 6. The cleaning assembly 6 comprises a third connecting block 61, a supporting seat 62, a limiting plate 63, a second roller 64 and a wire brush 65.

[0039] The other end of the second fixed block 55 is fixedly connected to one end of the third connecting block 61. The other end of the third connecting block 61 is fixedly connected to the support seat 62. The outer end of the support seat 62 close to the boiler tube wall is slidably connected to the inner end of the limit plate 63. A limit groove is arranged inside the support seat 62. A limit block is arranged inside the support seat 62 on the limit plate 63. Through the cooperation of the limit groove and the limit block, the limit plate 63 can be prevented from falling off from the support seat 62; the outer end of the limit plate 63 close to the boiler tube wall is rotatably connected to the inner end of the second roller 64. A certain space is left between the limit plate 63 and the second roller 64 to prevent the second roller 64 from getting stuck when rotating; the outer end of the second roller 64 is fixedly connected to the inner end of the wire brush 65.

[0040] The transmission motor 2, the water pump 4, and the electric hydraulic push rod are all electrically connected to the controller. The controller controls the transmission motor 2 to start, and the output end of the transmission motor 2 drives the rotation of the limit block 52. Using the physical principle of centrifugal force, the rotating rod 53 swings outward. This action enables the connecting rod 54, the second fixed block 55, and the limit rod 56 to move outward on the limit ring 51 in coordination. The core advantage of this design is that it can push the cleaning assembly 6 to expand outward as a whole, thereby reducing the pressure on the boiler tube wall while significantly reducing the potential wear of the wire brush 65 on the boiler tube wall. The coordinated use of the support seat 62 and the limit plate 63 further optimizes the cleaning process, ensuring that the pressure on the inner wall of the pipeline is further reduced during the cleaning process, avoiding the risk of excessive wear or damage to the boiler tube wall. The cooperation between the second roller 64 and the wire brush 65 provides the wire brush 65 with the ability to roll, so that it can move flexibly on the limit plate 63, which not only improves the cleaning efficiency, but also because rolling contact is gentler than direct friction, thereby further reducing the wear on the boiler tube wall, thereby solving the technical problem of accelerated pipe wear due to excessive pressure of the wire brush 65 on the inner wall of the pipe.

[0041] The second chamber 102 of the barrel body 1 is filled with cleaning liquid. The second chamber 102 is connected to the cleaning pipe 3. The outlet end of the cleaning pipe 3 is located inside the first chamber 101. A water pump 4 is installed on the cleaning pipe 3. A plurality of liquid holes 7 are provided on the outer peripheral surface of the barrel body 1; the liquid holes 7 are connected to the first chamber 101.

[0042] The side end of the barrel body 1 away from the transmission motor 2 is fixedly connected to the output end of the electric hydraulic push rod; the electric hydraulic push rod is fixedly arranged in the protection shell 8; the protection shell 8 is fixedly connected to the inner tube wall of the boiler.

[0043] The controller controls the electric hydraulic push rod and the water pump 4 to start. The output end of the electric hydraulic push rod drives the barrel 1 to move forward or backward inside the boiler tube wall. The cleaning liquid is extracted from the second chamber 102 through the water pump 4 and sprayed out through the liquid hole 7, ensuring that the inner wall of the boiler tube can be sprayed and cleaned in all directions.

[0044] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A device for cleaning boiler tube walls, characterized in that: It comprises a barrel (1), a transmission motor (2), a centrifugal assembly (5) and a cleaning assembly (6); The interior of the barrel body (1) is divided into a first chamber (101), a second chamber (102), and a third chamber (103) which are not connected to each other by a partition; a transmission motor (2) is fixedly installed inside the first chamber (101); a cleaning liquid is contained inside the second chamber (102); the second chamber (102) is connected to a cleaning pipe (3); the outlet end of the cleaning pipe (3) is located inside the first chamber (101); a water pump (4) is installed on the cleaning pipe (3); a plurality of liquid holes (7) are provided on the outer peripheral surface of the barrel body (1); the liquid holes (7) are connected to the first chamber (101); the output end of the transmission motor (2) is fixedly connected to the centrifugal assembly (5); the centrifugal assembly (5) is connected to the cleaning assembly (6); and the cleaning brush mechanism on the cleaning assembly (6) is movable.

2. A device for cleaning boiler tube walls according to claim 1, characterized in that: The centrifugal assembly (5) comprises a limiting ring (51), a limiting block (52), a rotating rod (53), a connecting rod (54), a second fixed block (55), a limiting rod (56) and a limiting groove (57); the limiting block (52) is fixedly connected to the output end of the transmission motor (2); a plurality of rotating rods (53) are rotatably provided on the side circumferential surface of the limiting block (52); the other end of the rotating rod (53) is rotatably connected to one end of the connecting rod (54); the other end of the connecting rod (54) is rotatably connected to the second fixed block (55). One end of the fixed block (55) is fixedly connected; the second fixed block (55) and the limiting rod (56) are sleeved and fixedly connected; the limiting ring (51) is sleeved on the outer ends of the limiting block (52), the rotating rod (53), the connecting rod (54) and the second fixed block (55); a plurality of limiting grooves (57) are formed through the side circumferential surface of the limiting ring (51); a plurality of limiting rods (56) are respectively slidably arranged in the plurality of limiting grooves (57); and a cleaning component (6) is fixedly installed on the other end of the second fixed block (55).

3. A device for cleaning boiler tube walls according to claim 2, characterized in that: The cleaning assembly (6) comprises a third connecting block (61) and a cleaning brush mechanism; The other end of the second fixing block (55) is fixedly connected to one end of the third connecting block (61); The other end of the third connecting block (61) is movably connected to the cleaning brush mechanism.

4. A device for cleaning boiler tube walls according to claim 3, characterized in that: The cleaning brush mechanism comprises a support seat (62), a limiting plate (63), a second roller (64) and a wire brush (65); The other end of the third connecting block (61) is fixedly connected to the supporting seat (62); The outer end of the support seat (62) close to the boiler tube wall is slidably connected to the inner end of the limit plate (63); The outer end of the limiting plate (63) close to the boiler tube wall is rotatably connected to the inner end of the second roller (64); The outer end of the second roller (64) and the inner end of the wire brush (65) are fixedly connected.

5. The device for cleaning boiler tube wall according to claim 1, characterized in that: The third chamber is located outside the second chamber (102); the third chamber (103) and the second chamber (102) are located on one side of the first chamber (101).

6. The device for cleaning boiler tube wall according to claim 1, characterized in that: The side end of the barrel body (1) away from the transmission motor (2) is fixedly connected to the output end of the electric hydraulic push rod. The electric hydraulic push rod is fixedly arranged in the protective housing (8); The protective shell (8) is fixedly connected to the inner tube wall of the boiler.

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