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CN-121988576-A - Chemical storage tank cleaning device and method

CN121988576ACN 121988576 ACN121988576 ACN 121988576ACN-121988576-A

Abstract

A chemical storage tank cleaning device comprises a crawler trolley, a rotating mechanism, a packing auger and a lifting mechanism, wherein the rotating mechanism is rotatably arranged at the top of the crawler trolley, the side wall of the packing auger, which is close to the tail part, is hinged to the rotating mechanism along the X-axis direction, the lifting mechanism is fixedly arranged on the rotating mechanism along the Z-axis direction, the lifting mechanism is connected with the bottom, which is close to the head end of the packing auger, and moves up and down along the Z-axis to drive the packing auger to do pitching motion around the X-axis, the tail end of the packing auger is provided with a driving part for providing power, the driving part, the rotating mechanism, the lifting mechanism and the crawler trolley are all connected with a remote control device, and the remote control device controls the driving part, the lifting mechanism, the crawler trolley and the lifting mechanism to be linked, so that the packing auger enters the chemical storage tank along a manhole to perform solid waste cleaning. The invention also provides a tank cleaning method for the chemical storage tank. The invention can effectively improve the operation efficiency of tank cleaning, avoid operators from directly entering the tank to operate, reduce the labor intensity, and effectively reduce the operation safety and environmental protection risks.

Inventors

  • JIA SHENGLI
  • GUAN HUI
  • WEN BIN
  • WANG XINGSHUANG
  • LIU YUAN

Assignees

  • 中冶宝钢技术服务有限公司

Dates

Publication Date
20260508
Application Date
20241107

Claims (10)

  1. 1. The chemical storage tank cleaning device is characterized by comprising a crawler trolley (100), a slewing mechanism (200), an auger (300) and a lifting mechanism (400), wherein the slewing mechanism (200) is rotationally arranged at the top of the crawler trolley (100), the side wall, close to the tail, of the auger (300) is hinged to the slewing mechanism (200) along the X-axis direction, the lifting mechanism (400) is fixedly arranged on the slewing mechanism (200) along the Z-axis direction, the lifting mechanism (400) is connected with the bottom close to the head end of the auger (300), the lifting mechanism (400) moves up and down along the Z-axis and further drives the auger (300) to do pitching motion around the X-axis, the tail end of the auger (300) is provided with a driving part (500) for providing power, the driving part (500), the slewing mechanism (200), the lifting mechanism (400) and the crawler trolley (100) are all connected with a remote control device, and the remote control device controls the driving part (500), the lifting mechanism (400) and the lifting mechanism (400) to enter a waste storage tank cleaning manhole (300) in a linkage manner.
  2. 2. The tank cleaning device for chemical storage tanks according to claim 1, characterized in that the auger (300) comprises at least one conveying pipe (310) for conveying solid waste and a stranding device (320) for scattering and discharging accumulated materials, the stranding device (320) is arranged in the conveying pipe (310) and is in clearance fit with the inner wall of the conveying pipe (310), the driving part (500) is arranged at the tail part of the conveying pipe (310), one end of the stranding device (320) is connected with the driving part (500), and the other end of the stranding device (320) extends to the outside of the head end of the conveying pipe (310).
  3. 3. The chemical tank cleaning device according to claim 2, wherein the head ends and the tail ends of the plurality of conveying pipes (310) are sequentially connected to extend the length of the conveying pipes (310), and the stranding devices (320) in adjacent conveying pipes (310) are fixedly connected through joints.
  4. 4. A chemical tank cleaning device according to claim 2 or 3, characterized in that the wringing device (320) comprises a main shaft (321) connected with the driving part (500), a drill bit (322) for scattering accumulated materials is fixedly arranged at the head end of the main shaft (321), a spiral cutter (323) for conveying waste materials is fixedly arranged on the side wall of the main shaft (321), and the spiral cutter (323) extends from the head end to the tail end of the main shaft.
  5. 5. The chemical tank cleaning device according to claim 1, wherein the auger (300) performs pitching motion around the X-axis within a certain angle range, and the pitching angle range is-10 ° to 25 °.
  6. 6. The chemical tank cleaning device according to claim 1 or 5, characterized in that the rotation mechanism (200) rotates around the Z-axis in a rotation range of-20 °.
  7. 7. The chemical tank cleaning device according to claim 1, wherein the slewing mechanism (200) comprises a base (210), a first supporting seat (220) and a second supporting seat (230), the base (210) is rotatably arranged at the top of the crawler trolley (100) along the Z-axis direction, the first supporting seat (220) and the second supporting seat (230) are symmetrically fixed on the base (210) along the X-axis direction, the auger (300) is hinged to the first supporting seat (220) along one radial side, and the auger (300) is hinged to the second supporting seat (230) along the other radial side.
  8. 8. A chemical tank cleaning device according to claim 2 or 3, characterized in that the bottom of the conveying pipe (310) close to the tail end is provided with a discharge opening (311).
  9. 9. A chemical tank cleaning method, characterized in that the chemical tank cleaning device according to any one of claims 1-8 is adopted, and the tank cleaning method comprises the following steps: S100, controlling the crawler trolley (100) to move to a manhole close to a chemical storage tank through a remote control device; S200, controlling a slewing mechanism (200) and a jacking mechanism (400) through the remote control device, wherein the slewing mechanism (200) drives an auger (300) to rotate around a Z axis by a preset angle, and the jacking mechanism (400) moves up and down along the Z axis to drive the auger (300) to do pitching motion around an X axis within a certain range, so that the angle of the auger (300) entering a chemical storage tank is aligned with a manhole; S300, controlling the crawler trolley (100) to drive the auger (300) to enter along the manhole through the remote control device, and driving the auger (300) through the driving part (500) to clean solid waste in the chemical storage tank.
  10. 10. The method for cleaning a chemical storage tank according to claim 9, wherein in step S300, in the process of cleaning solid waste, the remote control device controls the swing mechanism (200) and the jacking mechanism (400) to be linked, so as to finely adjust the position of the auger (300) to adapt to specific working conditions.

Description

Chemical storage tank cleaning device and method Technical Field The invention relates to the field of special equipment maintenance, in particular to a tank cleaning device and method for a chemical storage tank. Background The chemical storage tank needs to be subjected to tank stopping cleaning operation regularly, and serious accumulation in the storage tank can be caused after part of the storage tank runs for one production period, such as a slurry tank, a large ammonium sulfate mother liquor tank, a desulfurization tank and the like, and a thicker layer of solid waste can be deposited at the bottom of the storage tank after the storage tank is subjected to production liquid discharge. The accumulated materials in part of the storage tanks can exceed the height of the manhole, so that the safety risk of manual tank cleaning operation is greatly increased. In the prior art, a manhole of a storage tank is arranged on a side wall close to the bottom of the storage tank, and when solid accumulated materials in the storage tank are cleaned, construction personnel and tools are required to enter the tank from the manhole to perform operation. Because the accumulated materials in the storage tank are too much, and the accumulated materials can be in a hardened state, constructors can face the risk of accumulated material collapse when entering the tank from a manhole to clean the accumulated materials, meanwhile, the accompanying cleaning load is extremely large, high safety risks exist, and a special cleaning chemical storage tank cleaning device needs to be provided. Disclosure of Invention In view of the above-mentioned shortcomings of the prior art, the technical problem to be solved by the present invention is to provide a tank cleaning device and method for a chemical storage tank, so as to improve the efficiency of tank cleaning operation, and greatly reduce the safety and environmental protection risks of tank cleaning operation. The invention provides a chemical storage tank cleaning device which comprises a crawler trolley, a slewing mechanism, an auger and a climbing mechanism, wherein the slewing mechanism is rotationally arranged at the top of the crawler trolley, the side wall of the auger close to the tail part is hinged to the slewing mechanism along the X-axis direction, the climbing mechanism is fixedly arranged on the slewing mechanism along the Z-axis direction, the climbing mechanism is connected with the bottom close to the head end of the auger, the climbing mechanism moves up and down along the Z-axis to further drive the auger to perform pitching motion around the X-axis, the tail end of the auger is provided with a driving part for providing power, the driving part, the slewing mechanism, the climbing mechanism and the crawler trolley are all connected with a remote control device, and the remote control device controls the driving part, the climbing mechanism, the crawler trolley and the climbing mechanism to enable the auger to enter the chemical storage tank along a manhole to perform waste fixing. Preferably, the auger comprises at least one conveying pipe for conveying solid waste and a stranding device for scattering and discharging accumulated materials, the stranding device is arranged in the conveying pipe and is in clearance fit with the inner wall of the conveying pipe, the driving part is arranged at the tail part of the conveying pipe, one end of the stranding device is connected with the driving part, and the other end of the stranding device extends to the outside of the head end of the conveying pipe. Preferably, the head ends and the tail ends of the conveying pipes are sequentially connected to prolong the length of the conveying pipes, and the wringing devices in the adjacent conveying pipes are fixedly connected through joints. Preferably, the wringing device comprises a main shaft connected with the driving part, a drill bit for scattering accumulated materials is fixedly arranged at the head end of the main shaft, a spiral cutter head for conveying waste materials is fixedly arranged on the side wall of the main shaft, and the spiral cutter head extends from the head end of the main shaft to the tail end of the main shaft. Preferably, the auger performs pitching motion around the X axis within a certain angle range, and the pitching angle range is-10 degrees to 25 degrees. Preferably, the slewing mechanism rotates around the Z axis, and the rotation range is-20 degrees to 20 degrees. Preferably, the slewing mechanism comprises a base, a first supporting seat and a second supporting seat, wherein the base is rotationally arranged at the top of the crawler trolley along the Z-axis direction, the first supporting seat and the second supporting seat are symmetrically and fixedly arranged on the base along the X-axis direction, one side of the auger along the radial direction is hinged to the first supporting seat, and the other side of the auger along the radial di