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CN-224230743-U - Dust collection device of sintering circular cooler

CN224230743UCN 224230743 UCN224230743 UCN 224230743UCN-224230743-U

Abstract

The utility model discloses a dust collecting device of a sintering circular cooler, which comprises a cyclone dust collector and a dust removing chamber arranged at the top of the cyclone dust collector, wherein the top of the dust removing chamber is plugged, an exhaust pipe is arranged at the top of the dust removing chamber, a pore plate is arranged at the upper part of the dust removing chamber, a plurality of hollow sealing vertical cylinders are uniformly arranged on the lower surface of the pore plate, a built-in electromagnet is arranged in each sealing vertical cylinder, the sealing vertical cylinders are divided into a plurality of groups, the sealing vertical cylinders are uniformly and alternately arranged on the cross section of the dust removing chamber, the built-in electromagnets in the sealing vertical cylinders are independently operated according to the groups, and a vibration dust removing net is arranged in the dust removing chamber above the pore plate. In conclusion, the dust collector has the advantages of high working efficiency, good dust collection effect and capability of meeting the dust collection requirement for a long time.

Inventors

  • Dai Xingxu
  • WANG SHILI
  • CHEN BIN

Assignees

  • 云南曲靖钢铁集团呈钢钢铁有限公司

Dates

Publication Date
20260512
Application Date
20250606

Claims (8)

  1. 1. The dust collection device of the sintering circular cooler comprises a cyclone dust collector (1) and dust chambers (2) arranged at the tops of the cyclone dust collectors (1), and is characterized in that the tops of the dust chambers (2) are plugged, exhaust pipes (3) are arranged at the tops of the dust chambers (2), pore plates (4) are arranged at the upper parts in the dust chambers (2), a plurality of hollow sealing vertical cylinders (5) are uniformly arranged on the lower surfaces of the pore plates (4), built-in electromagnets (6) are arranged in each sealing vertical cylinder (5), the sealing vertical cylinders (5) are divided into a plurality of groups, the sealing vertical cylinders (5) are uniformly and alternately arranged on the cross sections of the dust chambers (2), the built-in electromagnets (6) in the sealing vertical cylinders (5) in the groups independently run according to the groups, and vibration dust collection nets (7) are arranged in the dust chambers (2) above the pore plates (4).
  2. 2. The dust collecting device of the sintering circular cooler is characterized in that a return pipe (8) is arranged on the exhaust pipe (3), and the air outlet end of the return pipe (8) is communicated with the dust removing chamber (2) below the sealing vertical cylinder (5).
  3. 3. The dust collection device of the sintering circular cooler is characterized in that a plurality of circular pipes (9) are arranged at the outer side of the dust removal chamber (2) at intervals up and down, the inner sides of the circular pipes (9) are communicated with the dust removal chamber (2) through short pipes, the outer sides of the circular pipes (9) are connected with vertical pipes (10) with two ends plugged through connecting pipes, the vertical pipes (10) are communicated with the exhaust pipe (3) through return pipes (11), and exhaust fans are arranged on the return pipes (11).
  4. 4. The dust collecting device of the sintering circular cooler is characterized in that a spiral protrusion (12) is arranged on the outer wall of the sealing vertical cylinder (5).
  5. 5. The dust collecting device of the sintering circular cooler is characterized in that a slag guide plate (13) is obliquely arranged in a dust removing chamber (2) below a sealing vertical cylinder (5), a plurality of ascending pipes (14) which are communicated with the dust removing chamber (2) and a cyclone dust collector (1) are arranged on the slag guide plate (13), an ash blocking cover which is in an inverted cone shape is arranged above the ascending pipes (14), and a slag discharging port is arranged on the side wall of the dust removing chamber (2) above the lower end of the slag guide plate (13).
  6. 6. The dust collection device of the sintering circular cooler is characterized in that an external electromagnet (15) is arranged on the outer wall of the cyclone dust collector (1).
  7. 7. The dust collecting device of the sintering circular cooler is characterized in that the gas flow cross-sectional area of the dust removing chamber (2) is larger than that of an air inlet (16) in the cyclone dust collector (1).
  8. 8. The dust collection device of the sintering circular cooler is characterized in that an active carbon layer (17) is arranged in a dust collection chamber (2) above the vibration dust collection net (7).

Description

Dust collection device of sintering circular cooler Technical Field The utility model relates to the technical field of dust removal and purification equipment, in particular to a dust collection device of a sintering circular cooler. Background The sintering circular cooler of the iron mill plays a role in cooling the sinter in the sintering process, the high-temperature sinter is cooled on the circular cooler, and the flue gas generated in the process contains a large amount of particles which mainly consist of iron oxides and other impurities in the sinter. The sintering circular cooler is generally provided with a waste heat recovery device for carrying out waste heat recovery and utilization on high-temperature flue gas generated by the sintering circular cooler so as to reduce energy waste, and the high-temperature flue gas is led out from a main flue of the sintering machine in the operation process and returns to the main flue of the sintering machine after being subjected to waste heat recovery. However, the high-temperature flue gas is not subjected to dust removal treatment, so that the heat exchanger and the flue of the waste heat recovery device are frequently worn and blocked, the waste heat recovery device is damaged, and the waste heat recovery effect is affected, so that the flue gas is required to be subjected to dust removal treatment in order to ensure the waste heat recovery efficiency and effect. The existing flue gas dust removal device mostly adopts the structures such as electric dust removal or cloth bag dust removal, has the problems of low dust removal efficiency, poor dust removal effect, high dust removal cost, incapability of long-term efficient operation and the like, is not beneficial to subsequent waste heat recovery and utilization, and cannot well meet the dust removal requirement of enterprises on sintering flue gas. Therefore, the sintering circular cooler dust collection device which is high in working efficiency and good in dust removal effect and can meet the dust removal requirement for a long time is objectively needed. Disclosure of utility model The utility model aims to provide the dust collection device of the sintering circular cooler, which has high working efficiency and good dust removal effect and can meet the dust removal requirement for a long time. The utility model aims at realizing the purposes, and the device comprises a cyclone dust collector and a dust chamber arranged at the top of the cyclone dust collector, wherein the top of the dust chamber is plugged, the top of the dust chamber is provided with an exhaust pipe, the upper part of the dust chamber is provided with a pore plate, a plurality of hollow sealing vertical cylinders are uniformly arranged on the lower surface of the pore plate, each sealing vertical cylinder is internally provided with a built-in electromagnet, the sealing vertical cylinders are divided into a plurality of groups, the sealing vertical cylinders of the plurality of groups are uniformly and alternately arranged on the cross section of the dust chamber, the built-in electromagnets in the sealing vertical cylinders of the plurality of groups independently operate according to the groups, and a vibration dust removing net is arranged in the dust chamber above the pore plate. Further, a return pipe is arranged on the exhaust pipe, and the air outlet end of the return pipe is communicated with the dust removing chamber below the sealing vertical cylinder. Further, a plurality of annular pipes are arranged at intervals up and down on the outer side of the dust chamber, the inner sides of the annular pipes are communicated with the dust chamber through short pipes, the outer sides of the annular pipes are connected with vertical pipes with two ends plugged through connecting pipes, the vertical pipes are communicated with the exhaust pipes through return pipes, and exhaust fans are arranged on the return pipes. Further, a spiral bulge is arranged on the outer wall of the sealing vertical cylinder. Further, a slag guide plate is obliquely arranged in the dust removing chamber below the sealing vertical cylinder, a plurality of ascending pipes which are communicated with the dust removing chamber and the cyclone dust collector are arranged on the slag guide plate, an ash blocking cover which is in an inverted cone shape is arranged above the ascending pipes, and a slag discharging port is arranged on the side wall of the dust removing chamber above the lower end of the slag guide plate. Further, an external electromagnet is arranged on the outer wall of the cyclone dust collector. Further, the gas flow cross-sectional area of the dust removal chamber is greater than the gas flow cross-sectional area of the air inlet in the cyclone dust collector. Further, an active carbon layer is arranged in the dust removing chamber above the vibration dust removing net. When the utility model is in operation, the high-temperature flue gas ge