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CN-121992163-A - Replacement device and replacement method for blast furnace cantilever thermometer

CN121992163ACN 121992163 ACN121992163 ACN 121992163ACN-121992163-A

Abstract

The invention provides a replacement device for a cantilever thermometer of a blast furnace, which comprises a trolley, a lifting platform and a clamp, wherein the lifting platform is arranged at the top of the trolley, a sliding rail is arranged on the lifting platform, a movable sliding seat is arranged on the sliding rail, a driving part and the clamp for clamping the cantilever thermometer are respectively arranged on the sliding seat, the lifting platform drives the sliding rail, the sliding seat and the clamp to rise to a preset position, and the driving part drives the sliding seat to drive the clamp to reciprocate along the sliding rail so as to realize the replacement of the cantilever thermometer. The invention also provides a method for replacing the blast furnace cantilever thermometer. The invention can effectively avoid the potential safety hazard of the matched transportation through the chain block, effectively shorten the butt joint and adjustment time of the cantilever thermometer and the flange on the furnace body, reduce the construction load and further effectively improve the replacement efficiency of the cantilever thermometer.

Inventors

  • LIU BING
  • WANG HONGBO
  • TANG LEILEI
  • TANG JIAN
  • YAN JIJUN

Assignees

  • 中冶宝钢技术服务有限公司

Dates

Publication Date
20260508
Application Date
20241105

Claims (9)

  1. 1. The utility model provides a blast furnace cantilever thermoscope's change device, includes dolly (100), lift platform (200) and anchor clamps (300), its characterized in that, lift platform (200) set up in the top of dolly (100), be equipped with slide rail (400) on lift platform (200), be equipped with mobilizable slide (500) on slide rail (400), be equipped with drive division and be used for centre gripping cantilever thermoscope (700) on slide (500) anchor clamps (300) respectively, lift platform (200) drive slide rail (400) slide (500) with anchor clamps (300) rise to the preset position, drive division drive slide (500) drive anchor clamps (300) are followed slide rail (400) reciprocating motion realizes the change of cantilever thermoscope.
  2. 2. The blast furnace cantilever thermometer replacing apparatus according to claim 1, wherein the jig (300) comprises a first clamping portion (310), a second clamping portion (320) and a third clamping portion (330) for clamping the cantilever thermometer, the first clamping portion (310) and the second clamping portion (320) are symmetrically arranged on the slide (500) along the Y-axis direction, the third clamping portion (330) is arranged on the slide (500) along the X-axis direction, and the third clamping portion (330) clamps the cantilever thermometer along the Z-axis direction.
  3. 3. The blast furnace cantilever thermometer replacing device according to claim 2, wherein the first clamping portion (310) and the second clamping portion (320) are slidably disposed on the slide (500) along the Y axis, locking portions are disposed on the first clamping portion (310) and the second clamping portion (320), and when the first clamping portion (310) and the second clamping portion (320) are abutted to the cantilever thermometer (700), the locking portions are locked.
  4. 4. The blast furnace cantilever thermometer replacing apparatus according to claim 2 or 3, wherein the third clamping portion (330) is fixedly disposed on the slide (500), or the third clamping portion (330) is detachably disposed on the slide (500).
  5. 5. The blast furnace cantilever thermometer replacing device according to claim 1, wherein the head and tail ends of the sliding rail (400) protrude out of the lifting platform (200), a plurality of adjustable supporting devices (600) are arranged near the head and tail ends of the sliding rail (400), and the bottoms of the supporting devices (600) can be abutted against the ground.
  6. 6. The blast furnace cantilever thermometer replacing device according to claim 1, wherein one end of the sliding rail (400) is erected on a supporting frame close to a furnace body temperature measuring hole, and the driving part drives the sliding seat (500) to drive the clamp (300) to clamp the cantilever thermometer to be inserted into the furnace body temperature measuring hole or pulled out from the furnace body temperature measuring hole.
  7. 7. A replacement method for a blast furnace cantilever thermometer, characterized in that a replacement device for a blast furnace cantilever thermometer according to any one of claims 1 to 6 is employed, the replacement method comprising: S100, removing part of flange bolts on the cantilever thermometer, and driving the lifting platform (200) and the clamp (300) to move to a preset position through the trolley (100); S200, starting a lifting platform (200) to drive a sliding rail (400), a sliding seat (500) and a clamp (300) to be lifted to a preset position, clamping the clamp (300) on the cantilever thermometer (700) and fixing the clamp, and removing the rest flange bolts of the cantilever thermometer; S300, starting a driving part to drive the sliding seat (500) to move along the sliding rail (400) in a direction away from the furnace body until the cantilever thermometer (700) is completely moved out of the furnace body; S400, conveying the detached cantilever thermometer to a lifting position through the trolley (100), lifting, and simultaneously replacing and fixing a new cantilever thermometer; S500, installing the new cantilever thermometer on the furnace body according to the reverse process of the disassembly process of the steps S100-S400.
  8. 8. The method according to claim 7, wherein in the step S200, the lifting platform (200) cooperates with the trolley (100) in a linkage manner to finely adjust the position of the slide rail (400) so that the end of the slide rail (400) is supported on the support frame of the furnace body.
  9. 9. The method according to claim 7, wherein in the step S200, a plurality of adjustable supporting devices (600) are provided near the front and rear ends of the rail (400), and the supporting devices (600) are abutted against the ground by adjusting the supporting devices (600).

Description

Replacement device and replacement method for blast furnace cantilever thermometer Technical Field The invention relates to the technical field of replacement of a blast furnace suspension arm thermometer, in particular to a replacement device and a replacement method of a blast furnace suspension arm thermometer. Background The blast furnace cantilever thermometer is an important device for blast furnace smelting, and has the main function of measuring the distribution condition of the gas temperature of each point in the blast furnace, and the functional state can directly influence the smooth production of the blast furnace. Because the cantilever thermometer is influenced by high temperature and blanking impact in the blast furnace for a long time, the cantilever thermometer body and a temperature measuring couple on the cantilever thermometer are easy to damage. Therefore, it is necessary to perform the inspection replacement periodically. The cantilever thermometer is in a cantilever insertion type structure, the main body part of the cantilever thermometer is inserted into the furnace body along the temperature measuring hole, and the tail part of the cantilever thermometer is fixed on the furnace body through a flange. Because the gravity center of the cantilever thermometer is positioned in the furnace body, the cantilever thermometer needs to be kept in a basically horizontal state during the disassembly and the assembly of the cantilever thermometer. In the prior art, a simple trolley is required to be pushed by manpower, and the blast furnace cantilever thermometer is conveyed to a preset position. Then, the sling and the chain block are adopted to manually replace, the replacement process is difficult, particularly, the tail of the cantilever thermometer is connected with the flange of the furnace body, the flange is difficult to install and adjust, the operation efficiency is low, and meanwhile, the large operation risk exists. Disclosure of Invention In view of the above-mentioned drawbacks of the prior art, the present invention is to provide a replacement device and a replacement method for a cantilever thermometer of a blast furnace, which effectively shortens the time for butt joint and adjustment of the cantilever thermometer and a flange of a furnace body, and reduces potential safety hazards in the operation process. The invention provides a replacement device for a cantilever thermometer of a blast furnace, which comprises a trolley, a lifting platform and a clamp, wherein the lifting platform is arranged at the top of the trolley, a sliding rail is arranged on the lifting platform, a movable sliding seat is arranged on the sliding rail, a driving part and the clamp for clamping the cantilever thermometer are respectively arranged on the sliding seat, the lifting platform drives the sliding rail, the sliding seat and the clamp to rise to a preset position, and the driving part drives the sliding seat to drive the clamp to reciprocate along the sliding rail so as to realize the replacement of the cantilever thermometer. Preferably, the clamp comprises a first clamping part, a second clamping part and a third clamping part, wherein the first clamping part, the second clamping part and the third clamping part are used for clamping the cantilever thermometer, the first clamping part and the second clamping part are symmetrically arranged on the sliding seat along the Y-axis direction, the third clamping part is arranged on the sliding seat along the X-axis direction, and the third clamping part is used for clamping the cantilever thermometer along the Z-axis direction. Preferably, the first clamping part and the second clamping part are arranged on the sliding seat in a sliding manner along the Y axis, locking parts are arranged on the first clamping part and the second clamping part, and when the first clamping part and the second clamping part are in butt joint with the cantilever thermometer, the locking parts are locked. Preferably, the third clamping part is fixedly arranged on the sliding seat, or the third clamping part is detachably arranged on the sliding seat. Preferably, the head end and the tail end of the sliding rail protrude out of the lifting platform, a plurality of adjustable supporting devices are arranged at the head end and the tail end close to the sliding rail, and the bottoms of the supporting devices can be abutted to the ground. Preferably, one end of the sliding rail is erected on a supporting frame close to the furnace body temperature measuring hole, and the driving part drives the sliding seat to drive the clamp to clamp the cantilever thermometer to be inserted into the furnace body temperature measuring hole or pulled out from the furnace body temperature measuring hole. The invention also provides a replacement method of the blast furnace cantilever thermometer, which adopts the replacement device of any one of the blast furnace cantilever thermometers, an