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CN-224215311-U - Strip-shaped foreign matter cleaning device between pipes of steam generator

CN224215311UCN 224215311 UCN224215311 UCN 224215311UCN-224215311-U

Abstract

The utility model discloses a strip-shaped foreign matter cleaning device between pipes of a steam generator, which relates to the technical field of overhauling of the steam generator and comprises a mounting shell, wherein a driving assembly is arranged in the mounting shell, the driving assembly is of an L-shaped structure, and a first fixed disc is arranged at the top of the driving assembly; one end of the driving component penetrates through the first fixed disc to be connected with the clamping component, a second fixed disc is arranged at the top of the clamping component, a clamping component is arranged at the top of the second fixed disc, an air bag is arranged at the top of the clamping component, and a protection component is arranged between the mounting shell and the clamping component. According to the utility model, the driving assembly and the clamping assembly are arranged, so that when the fixed strip-shaped foreign matters and the liquid foreign matters or the small particles are contained in the pipe, the driving assembly is utilized to drive the clamping assembly to primarily take out the solid strip-shaped foreign matters, the steam generator is prevented from being blocked during operation, and the primary cleaning efficiency is improved.

Inventors

  • ZHAI ZHIQIANG
  • Zhai Bingran

Assignees

  • 江苏中矿新创新能源科技有限公司

Dates

Publication Date
20260508
Application Date
20250512

Claims (9)

  1. 1. The strip-shaped foreign matter cleaning device between the steam generator tubes comprises a mounting shell (1) and is characterized in that a driving assembly (2) is arranged inside the mounting shell (1), the driving assembly (2) is of an L-shaped structure, and a first fixing disc (3) is arranged at the top of the driving assembly (2); One end of the driving component (2) penetrates through the first fixed disc (3) to be connected with a clamping component (4), a second fixed disc (5) is arranged at the top of the clamping component (4), a clamping component (6) is arranged at the top of the second fixed disc (5), and an air bag (7) is arranged at the top of the clamping component (6); a protection component (8) is arranged between the mounting shell (1) and the clamping component (4).
  2. 2. The strip-shaped foreign matter cleaning device between the pipes of the steam generator according to claim 1, wherein the first fixed disk (3) and the second fixed disk (5) are connected through a supporting column (9).
  3. 3. The strip-shaped foreign matter cleaning device between the pipes of the steam generator according to claim 1, wherein one end of the air bag (7) is provided with a receiving hole (10); An air inlet block (11) is arranged on the circumferential outer wall of the air bag (7), and a plurality of air inlets (12) are formed in the top of the air inlet block (11); The two sides of the bottom of the air bag (7) are symmetrically provided with fixing columns (13), and the bottom of each fixing column (13) is provided with a disc (14).
  4. 4. The strip-shaped foreign matter cleaning device between pipes of a steam generator according to claim 1, wherein the driving assembly (2) comprises a pull column (201) arranged inside the installation shell (1), one end of the pull column (201) is symmetrically provided with a first end block (202), the pull column (201) is connected with the first end block (202) through a pin shaft, the bottom of the first end block (202) is provided with a grip (203), and one end of the bottom of the grip (203) is connected with the installation shell (1) through a pin shaft; A first compression spring (204) is sleeved on the lateral wall of the outer side of the other end of the pull column (201), and the top of the pull column (201) is connected with a connecting column (205); Annular limiting blocks (206) are arranged at two ends, located at the first compression spring (204), of the inner side of the mounting shell (1).
  5. 5. The strip-shaped foreign matter cleaning device between pipes of a steam generator according to claim 4, wherein the clamping assembly (4) comprises a driving column (401) arranged at the top of the connecting column (205) and penetrating through the first fixed disk (3), a driving plate (402) is arranged at the top of the driving column (401), a plurality of driven plates (403) are arranged on the outer side of the driving plate (402) in a triangular structure, and clamping claws (404) are connected to one end of each driven plate (403); The top of the first fixed disc (3) is provided with a second end block (405) matched with the bottom of the clamping claw (404).
  6. 6. The device according to claim 5, wherein the second end block (405) and the driven plate (403) are both engaged with the holding claws (404) by bolts.
  7. 7. The device for cleaning strip-shaped foreign matters between pipes of a steam generator according to claim 5, characterized in that the second fixed disk (5) is provided with a movable groove (406) matched with the clamping claw (404).
  8. 8. The strip-shaped foreign matter cleaning device between pipes of the steam generator according to claim 1, wherein the clamping assembly (6) comprises a clamping disc (601) arranged at the top of the second fixed disc (5), three groups of clamping grooves (602) are formed in the top of the clamping disc (601), clamping blocks (603) and second compression springs (604) are respectively arranged on two sides in the clamping grooves (602), and a stop block (605) is arranged at the top of the second compression springs (604); The bottom of the disc (14) is provided with a fixed block (606) matched with the clamping groove (602), and the fixed block (606) is provided with a clamping hole (607) matched with the clamping block (603).
  9. 9. The strip-shaped foreign matter cleaning device between pipes of a steam generator according to claim 1, wherein the protection component (8) comprises a first protection shell (801) which is arranged on the installation shell (1) and is close to the outer side wall of one end of the clamping component (4), and a plurality of limit grooves (802) are formed in the inner wall of the first protection shell (801); The first protective shell (801) is internally provided with a second protective shell (803), and a plurality of sliding blocks (804) matched with the limiting grooves (802) are arranged on the outer side of the second protective shell (803).

Description

Strip-shaped foreign matter cleaning device between pipes of steam generator Technical Field The utility model relates to the technical field of overhauling of steam generators, in particular to a strip-shaped foreign matter cleaning device among pipes of a steam generator. Background A steam generator is a device that uses thermal energy from fuel or other energy sources to heat and convert water into steam. And the strip-shaped foreign matters positioned between the steam generator tubes refer to slender foreign matters or liquid residual sediments (such as scale, metal oxide and mechanical scraps) which appear in the secondary side tube bundle tubes of the steam generator, and the strip-shaped foreign matters need to be cleaned by a strip-shaped foreign matter cleaning device so as to delay the service life between the tubes. For example, patent document CN209672936U discloses a device for collecting block-shaped foreign matter between tubes of a steam generator. The device is guided into a narrow tube bundle tube room by a push-pull guiding device, and the strip-shaped foreign matters are grabbed at fixed points through the elastic steel wire cage, so that the foreign matter cleaning effect is guaranteed. The conventional strip-shaped foreign matter cleaning device has a function of collecting foreign matters, and can remove foreign matters among pipes. However, when the existing strip-shaped foreign matter cleaning device is used for treating the foreign matters among the pipes, the strip-shaped foreign matters are not only arranged among the pipes, but also can be cleaned only when the strip-shaped foreign matter cleaning device cannot clean the strip-shaped foreign matters, so that the cleaning efficiency and the service life of the pipeline are affected. For the problems in the related art, no effective solution has been proposed at present. Disclosure of utility model Aiming at the problems in the related art, the utility model provides a strip-shaped foreign matter cleaning device between pipes of a steam generator, so as to overcome the technical problems in the prior art. For this purpose, the utility model adopts the following specific technical scheme: A strip-shaped foreign matter cleaning device between pipes of a steam generator comprises a mounting shell, wherein a driving assembly is arranged in the mounting shell and is of an L-shaped structure, a first fixed disc is arranged at the top of the driving assembly, one end of the driving assembly penetrates through the first fixed disc to be connected with a clamping assembly, a second fixed disc is arranged at the top of the clamping assembly, a clamping assembly is arranged at the top of the second fixed disc, an air bag is arranged at the top of the clamping assembly, and a protection assembly is arranged between the mounting shell and the clamping assembly. The first fixed disc is connected with the second fixed disc through a support column. One end of the air bag is provided with a material receiving hole; an air inlet block is arranged on the peripheral outer wall of the air bag, the top of the air inlet block is provided with a plurality of air inlets; air inlet block top opening a plurality of air inlets are arranged. Further, in order to prevent blockage during continuous cleaning and improve preliminary cleaning efficiency, the driving assembly comprises a pull column arranged in the installation shell, one end of the pull column is symmetrically provided with a first end block, the pull column is connected with the first end block through a pin shaft, the bottom of the first end block is provided with a handle, one end of the bottom of the handle is connected with the installation shell through a pin shaft, a first compression spring is sleeved on the side wall of the outer side of the other end of the pull column, the top of the pull column is connected with a connecting column, and annular limiting blocks are arranged at two ends, located on the first compression spring, of the inner side of the installation shell. Further, in order to preliminarily clamp the strip-shaped foreign matters, the driving air bags adsorb the liquid foreign matters or small particles, the clamping assembly comprises a driving column which is arranged at the top of the connecting column and penetrates through the first fixing plate, a driving plate is arranged at the top of the driving column, a plurality of driven plates are arranged on the outer side of the driving plate in a triangular structure, one ends of the driven plates are connected with clamping claws, and a second end block matched with the bottom of the clamping claws is arranged at the top of the first fixing plate. The second end block and the driven plate are matched with the clamping claws through bolts. The second fixed disk is provided with a movable groove matched with the clamping claw. Further, in order to improve the efficiency of clearance, reduce the requirement to operating p