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CN-121988575-A - Cleaning device and cleaning method for solid waste of chemical storage tank

CN121988575ACN 121988575 ACN121988575 ACN 121988575ACN-121988575-A

Abstract

The invention relates to the technical field of storage tank overhaul, in particular to a cleaning device and a cleaning method for solid waste of a chemical storage tank. Wherein, the solid useless cleaning device of chemical industry storage tank is including removing the shallow, collection workbin, conveyer belt mechanism and bucket wheel feeding mechanism, is provided with on the removal shallow and cuts fork climbing mechanism, and collection workbin is fixed at the top of cutting fork climbing mechanism, and the top surface of collection workbin seted up the mouth that gathers materials with the inner space intercommunication, and conveyer belt mechanism length direction's one end is located the top of mouth that gathers materials and is connected with collection workbin's top surface, and conveyer belt mechanism length direction's the other end is located bucket wheel feeding mechanism's below and is connected with bucket wheel feeding mechanism. The chemical storage tank solid waste cleaning device can reduce the labor intensity and the safety risk of personnel and improve the tank cleaning operation efficiency.

Inventors

  • JIA SHENGLI
  • GUAN HUI
  • WEN BIN
  • WANG XINGSHUANG
  • ZHAO TIANQI

Assignees

  • 中冶宝钢技术服务有限公司

Dates

Publication Date
20260508
Application Date
20241101

Claims (8)

  1. 1. The utility model provides a solid useless cleaning device of chemical industry storage tank, its characterized in that, including removal shallow (1), collection material case (2), conveyer belt mechanism (3) and bucket wheel feeding mechanism (4), be provided with on removal shallow (1) and cut fork climbing mechanism (5), collection material case (2) are fixed cut fork climbing mechanism's (5) top, just collection material case (2) top surface offer with inner space intercommunication collection material mouth (201), conveyer belt mechanism (3) length direction's one end be located collection material mouth (201) top and with collection material case (2) top surface is connected, conveyer belt mechanism (3) length direction's the other end be located bucket wheel feeding mechanism (4) below and with bucket wheel feeding mechanism (4) are connected.
  2. 2. The cleaning device for solid waste of chemical storage tanks according to claim 1, wherein the mobile cart (1) comprises a rectangular frame (101) and a push-pull handrail (102), the scissor jack mechanism (5) is arranged at the center of the top of the rectangular frame (101), universal wheels (103) are respectively arranged at four corners of the bottom of the rectangular frame (101), the push-pull handrail (102) is fixed at the position of one side edge of the top of the rectangular frame (101), and two universal wheels (103) below the push-pull handrail (102) have a locking function.
  3. 3. The cleaning device for solid waste of chemical storage tanks according to claim 2, characterized in that the collection box (2) is a square box body, and the collection box (2) is provided with two discharge ports (202) from high to low on one side surface far away from the push-pull handrail (102), and the two discharge ports (202) are respectively hinged with a sealing door (203) for sealing.
  4. 4. The cleaning device for solid waste of chemical storage tanks according to claim 1, wherein the conveying belt mechanism (3) comprises a conveying belt frame (301) and a chain plate conveying belt (302), the conveying belt frame (301) is formed by assembling a plurality of frame modules, the chain plate conveying belt (302) is wound on the conveying belt frame (301), a driving assembly is mounted on the conveying belt frame (301), and the driving assembly drives the chain plate conveying belt (302) to rotate relative to the conveying belt frame (301).
  5. 5. The cleaning device for solid waste of chemical storage tank according to claim 4, wherein the link plate conveyor belt (302) is made of aluminum alloy, and the outer surface of the link plate conveyor belt (302) is coated with an anticorrosive paint film.
  6. 6. The cleaning device for solid waste of chemical storage tanks according to claim 1, wherein the bucket-wheel material taking mechanism (4) comprises a disc (401), a plurality of buckets (402) and a hydraulic pump, the buckets (402) are annularly fixed on the outer edge of the disc (401), and the driving end of the hydraulic pump is axially connected with the disc (401) and drives the disc (401) to rotate.
  7. 7. A method for cleaning solid waste of a chemical storage tank, which is characterized by adopting the device for cleaning solid waste of a chemical storage tank according to any one of claims 1 to 6, and comprising the following steps: S1, opening a manhole of a storage tank, confirming the aggregate condition of solid waste materials in the storage tank, and executing a step S2 if cleaning is needed; s2, hanging the chemical storage tank solid waste cleaning device to an operation point, and manually adjusting the lifting mechanism (5) of the scissor fork to lift so that the bucket wheel material taking mechanism (4) reaches the height of a storage tank manhole; S3, starting the conveying belt mechanism (3) and the bucket wheel material taking mechanism (4), driving the bucket wheel material taking mechanism (4) to extend into a storage tank manhole through the movable trolley (1), collecting and throwing solid waste materials onto the conveying belt mechanism (3) below through the bucket wheel material taking mechanism (4), and conveying the solid waste materials into the material collecting box (2) through the conveying belt mechanism (3); And S4, pushing the movable trolley (1) in time according to the working condition of the bucket-wheel material taking mechanism (4), enabling the bucket-wheel material taking mechanism (4) to continuously extend into the storage tank, and bagging the solid waste in the material collecting box (2) at fixed time until the cleaning of the solid waste in the storage tank is completed.
  8. 8. The method according to claim 7, wherein in step S4, if the length of the conveyor belt mechanism (3) is insufficient, the conveyor belt mechanism (3) and the bucket wheel material taking mechanism (4) are stopped, the conveyor belt mechanism (3) is lengthened, and the bucket wheel material taking mechanism (4) continues to extend into the tank.

Description

Cleaning device and cleaning method for solid waste of chemical storage tank Technical Field The invention relates to the technical field of storage tank overhaul, in particular to a device for cleaning solid waste of a chemical storage tank and a method for cleaning solid waste of the chemical storage tank by adopting the device. Background There are various tank apparatuses in the chemical industry area of the factory, and these tank apparatuses all need to perform a tank stop cleaning operation periodically. And part of the storage tanks (such as slurry tanks, ammonium sulfate mother liquor large tanks, desulfurization tanks and other equipment) can seriously accumulate materials in the storage tanks after one production period, and a thicker layer of solid waste materials can be deposited at the bottom of the storage tanks after production liquid drainage, and the solid waste materials often exceed the height of manholes at the bottom of the storage tanks, so that the safety risk of manual tank cleaning operation is greatly increased. Particularly, taking slurry tank equipment as an example, the diameter of the slurry tank equipment is 12 meters, the height of the slurry tank equipment is 16 meters, an overhaul port is only a manhole of three DN600 at the bottom, personnel and tools can only enter and exit from the tank from the manhole at the bottom, but after one production period is operated, the height of accumulated materials in the tank can reach 7 meters, solid waste is in a hardened state, personnel can face collapse risk when entering the tank from the manhole, the labor load is extremely high, and the safety risk is high. Disclosure of Invention In order to solve the technical problems, the invention provides the chemical storage tank solid waste cleaning device which can reduce the labor intensity and the safety risk of personnel and improve the cleaning operation efficiency. The invention adopts the following technical scheme: The invention provides a chemical storage tank solid waste cleaning device which comprises a movable trolley, a material collecting box, a conveying belt mechanism and a bucket wheel material taking mechanism, wherein a shear fork jacking mechanism is arranged on the movable trolley, the material collecting box is fixed at the top of the shear fork jacking mechanism, a material collecting opening communicated with an inner space is formed in the top surface of the material collecting box, one end in the length direction of the conveying belt mechanism is located above the material collecting opening and connected with the top surface of the material collecting box, and the other end in the length direction of the conveying belt mechanism is located below the bucket wheel material taking mechanism and connected with the bucket wheel material taking mechanism. Preferably, the movable trolley comprises a rectangular frame and a push-pull handrail, the scissor jack lifting mechanism is arranged at the center of the top of the rectangular frame, the four corners of the bottom of the rectangular frame are respectively provided with universal wheels, the push-pull handrail is fixed at the position of one side edge of the top of the rectangular frame, and two universal wheels below the push-pull handrail have a locking function. Preferably, the collection box is a square box body, and two discharge holes are formed in one side surface of the collection box, far away from the push-pull handrail, from high to low, and the two discharge holes are respectively hinged with a sealing door for sealing. Preferably, the conveying belt mechanism comprises a conveying belt frame and a chain plate conveying belt, the conveying belt frame is formed by assembling a plurality of frame modules, the chain plate conveying belt is wound on the conveying belt frame, a driving assembly is mounted on the conveying belt frame, and the driving assembly drives the chain plate conveying belt to rotate relative to the conveying belt frame. Preferably, the flight conveyor is made of aluminum alloy, and the outer surface of the flight conveyor is coated with an anticorrosive coating film. Preferably, the bucket wheel material taking mechanism comprises a disc, a plurality of buckets and a hydraulic pump, wherein the buckets are annularly fixed on the outer edge of the disc, and the driving end of the hydraulic pump is axially connected with the disc and drives the disc to rotate. The invention also provides a method for cleaning the solid waste of the chemical storage tank, which adopts the device for cleaning the solid waste of the chemical storage tank, and comprises the following steps: S1, opening a manhole of a storage tank, confirming the aggregate condition of solid waste materials in the storage tank, and executing a step S2 if cleaning is needed; s2, hanging the chemical storage tank solid waste cleaning device to an operation point, and manually adjusting the lifting mechanism of the scissor for