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CN-121972443-A - Self-cleaning device for sludge in sealed water tank on water seal ring cooler

CN121972443ACN 121972443 ACN121972443 ACN 121972443ACN-121972443-A

Abstract

The invention relates to a self-cleaning device for sludge in a sealed water tank on a water seal ring cooler, which comprises the following components: the sedimentation tank comprises a sedimentation area and a cleaning water area, and the sedimentation area is connected with the cleaning water area through a partition wall overflow port; the annular drainage ditch is arranged outside the annular cooler, and the water outlet end of the annular drainage ditch is connected with the sedimentation area; the water inlet end of the clear water delivery pipe is arranged in the cleaning water area through a first pump, and the water outlet end of the clear water delivery pipe is arranged at one side in the sealed water tank through a nozzle; the inlet end of the sewage suction pipe is arranged on the other side in the sealed water tank through a sewage discharge outlet, and the outlet end of the sewage suction pipe is connected with the annular drainage ditch.

Inventors

  • ZHANG HEPING
  • Kong Chunliang
  • MENG XIANGWU

Assignees

  • 甘肃酒钢集团宏兴钢铁股份有限公司

Dates

Publication Date
20260505
Application Date
20260331

Claims (10)

  1. 1. The utility model provides a sealed basin silt self-cleaning device on water-sealing ring cooler which characterized in that includes: The sedimentation tank comprises a sedimentation zone (5) and a cleaning water zone (7), and the sedimentation zone (5) is connected with the cleaning water zone (7) through a partition overflow port; the annular drainage ditch (4) is arranged outside the annular cooler, and the water outlet end of the annular drainage ditch is connected with the sedimentation area (5); The clean water delivery pipe (12) is provided with a water inlet end which is arranged in the cleaning water area (7) through the first pump (8), and a water outlet end which is arranged at one side in the sealed water tank through the nozzle (1); The inlet end of the sewage suction pipe (3) is arranged on the other side in the sealed water tank through the sewage discharge outlet (2), and the outlet end is connected with the annular drainage ditch (4).
  2. 2. The self-cleaning device for the sludge of the sealed water tank on the water seal ring cooler according to claim 1, wherein the volume ratio of the sedimentation area (5) to the cleaning water area (7) is 2:1.
  3. 3. The self-cleaning device for the sludge in the upper sealing water tank of the water sealing ring cooling machine according to claim 1 is characterized in that the width of the annular drainage ditch (4) is not less than 300mm, the cleaning and dredging by using a Sorbus bungeana are facilitated, the depth is not more than 400mm, and the whole ditch bottom length is provided with a gradient not less than 5%o.
  4. 4. The self-cleaning device for sludge in an upper sealing water tank of a water sealing ring cooler according to claim 3, wherein a DN32mm self-flushing dredging water pipe and a 1-number self-flushing steam preheating pipe are respectively embedded in concrete pouring on two sides of the annular drainage ditch (4), and corresponding interfaces are respectively designed at the tail ends of the pipelines and used for solving the self-cleaning problem when frozen ice or sludge in other seasons is blocked on the drainage ditch in winter.
  5. 5. The self-cleaning device for the sludge of the sealed water tank on the water seal ring cooler, which is disclosed in claim 4, is characterized in that oblique nozzles are arranged on the side wall of the annular drainage ditch (4) at intervals of 1500mm, and are connected with self-flushing dredging water pipes.
  6. 6. The self-cleaning device for the sludge of the sealed water tank on the water seal ring cooler according to claim 1 is characterized in that the number of the first pumps (8) is two, one is used, and the start and stop control parts of the two first pumps (8) are both linked with a float valve (9) arranged in a cleaning water area (7).
  7. 7. The self-cleaning device for the sludge in the sealed water tank on the water-sealing circular cooler according to claim 1, wherein a stirrer (6) and a slurry pump (14) are arranged in the sedimentation zone (5), the outlet end of the slurry pump (14) is connected to a sintering production system through a sludge pipe (13), and a valve and a pressure gauge are arranged on the sludge pipe (13).
  8. 8. The self-cleaning device for the sludge in the sealed water tank on the water seal ring cooler according to claim 7 is characterized by further comprising a main pipe (11) which is respectively connected with the clean water delivery pipe (12) and the sludge pipe (13), can be communicated with the water delivery pipe for delivering clean water and can be connected with a sintering production system for recycling sludge, wherein a sedimentation tank flushing pipe (15) is connected to the main pipe (11), and the water outlet end of the sedimentation tank flushing pipe (15) is arranged in the sedimentation zone (5).
  9. 9. The self-cleaning device for sludge in an upper sealing water tank of a water sealing ring cooler according to claim 7, wherein the number of the slurry pumps (14) is two, one is another, and the outlet ends of the two slurry pumps (14) are respectively connected to a sintering production system through a sludge pipe (13).
  10. 10. The self-cleaning device for the sludge in the sealed water tank on the water seal ring cooler is characterized in that a clear water delivery branch pipe (10) is arranged in a cleaning water area (7), one end of the clear water delivery branch pipe (10) is connected with a first pump (8), the other end of the clear water delivery branch pipe is connected with a clear water delivery pipe (12), a valve and a pressure gauge are arranged on the clear water delivery branch pipe (10), and a flushing pipe (16) is connected to the side wall of a sewage suction pipe (3) and used for preventing the sewage suction pipe (3) from being blocked when the sludge concentration is too high.

Description

Self-cleaning device for sludge in sealed water tank on water seal ring cooler Technical Field The invention relates to the technical field of metallurgical equipment, in particular to a self-cleaning device for sludge in a sealed water tank on a water seal ring cooler. Background At present, a ring cooler is a key device in a sintering production process and is used for cooling high-temperature sintered ores. The traditional circular cooler is mainly sealed by rubber, and has the problems of poor sealing effect, easy aging and abrasion, short service life and the like, so that the phenomenon of air leakage and material leakage is serious, the cooling efficiency is reduced, and the energy waste and the environmental pollution are caused. In order to solve the problems, the water sealing ring cooler has the advantages that the upper sealing water tank mud accumulation is serious, and the self-cleaning cannot be realized, so that the water sealing ring cooler has the industrial problem. At present, most steel plants adopt manual regular shutdown cleaning to avoid the problem of water seal failure caused by serious accumulation of water tanks, but the cleaning is time-consuming and labor-consuming, and partial plants adopt a rotary or fixed mud cleaning device to dig out the accumulated mud of the sealed water tanks on the annular cooler, but the dug mud is adhered to the water tanks and the revolving body on the trolley, so that secondary pollution is serious, the appearance of the equipment is tidy and sanitary, the requirement on ultra-low emission of the steel industry is seriously inconsistent, and the difficult problem of the industry is thoroughly solved through technical progress. Disclosure of Invention Aiming at the technical problems, the invention provides a self-cleaning device for sludge in a sealed water tank on a water seal ring cooler. In order to achieve the above purpose, the technical scheme of the invention is as follows: A self-cleaning device for sealing water tank sludge on a water sealing ring cooler comprises: The sedimentation tank comprises a sedimentation area and a cleaning water area, and the sedimentation area is connected with the cleaning water area through a partition wall overflow port; the annular drainage ditch is arranged outside the annular cooler, and the water outlet end of the annular drainage ditch is connected with the sedimentation area; the water inlet end of the clear water delivery pipe is arranged in the cleaning water area through a first pump, and the water outlet end of the clear water delivery pipe is arranged at one side in the sealed water tank through a nozzle; the inlet end of the sewage suction pipe is arranged on the other side in the sealed water tank through a sewage discharge outlet, and the outlet end of the sewage suction pipe is connected with the annular drainage ditch. The volume ratio of the sedimentation area to the cleaning water area is 2:1. The width of annular escape canal is not less than 300mm, conveniently clears up the mediation with the Sorbus bungeana, and the degree of depth is not more than 400mm, and the full length setting of ditch bottom is not less than 5 thousandth slope. The automatic flushing dredging water pipe with DN of 32mm and the steam preheating pipe with DN of 1 are respectively pre-buried when the concrete on two sides of the annular drainage ditch is poured, and the tail ends of the pipelines are respectively provided with corresponding interfaces for solving the problem of self-cleaning when frozen ice or other seasonal sludge are blocked on the drainage ditch in winter. Oblique nozzles are arranged on the side wall of the annular drainage ditch at intervals of 1500mm, and are connected with self-flushing dredging water pipes. The two first pumps are one with the other, and the start-stop control parts of the two first pumps are linked with the float valve arranged in the cleaning water area. The sedimentation zone is internally provided with a stirrer and a slurry pump, the outlet end of the slurry pump is connected to the sintering production system through a sludge pipe, and the sludge pipe is provided with a valve and a pressure gauge. The invention also comprises a main pipe which is respectively connected with the clean water delivery pipe and the sludge pipe, can be communicated with the water delivery main pipe for delivering clean water and can also be connected with a sintering production system for recycling sludge, wherein a sedimentation tank flushing pipe is connected to the main pipe, and the water outlet end of the sedimentation tank flushing pipe is arranged in the sedimentation zone. The two slurry pumps are one by one, and the outlet ends of the two slurry pumps are respectively connected to the sintering production system through sludge pipes. The clean water delivery branch pipe is arranged in the cleaning water area, one end of the clean water delivery branch pipe is connected with the firs