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CN-224221053-U - Steelmaking furnace dust removal purification device for steelmaking workshop

CN224221053UCN 224221053 UCN224221053 UCN 224221053UCN-224221053-U

Abstract

The utility model discloses a dust-removing and purifying device of a steelmaking furnace for a steelmaking workshop, which comprises a dust removing box and a dust inlet, wherein the inner space of the dust removing box comprises an isolation cavity, a dust removing cavity and a water storage cavity, a spiral guide plate, a filter cylinder and a washing cylinder are sequentially arranged in the dust removing cavity from outside to inside, a gap is reserved between the lower end of the spiral guide plate and a partition plate, the upper end of the filter cylinder is connected with a ring plate through a flange, the lower end of the filter cylinder is propped against the partition plate, the side wall of the filter cylinder sequentially comprises a coarse filter screen layer, an active carbon layer and a HEPA filter screen layer from outside to inside, a down pipe is arranged on the partition plate between the HEPA filter screen layer and the washing cylinder, the upper end of the washing cylinder is fixed with the top of the dust removing box, the lower end of the washing cylinder is communicated with the water storage cavity, a spray head assembly is arranged in the washing cylinder, and the top of the dust removing box above the washing cylinder is provided with an exhaust pipe. In conclusion, the utility model has the advantages of low treatment cost, convenient maintenance and good purification effect.

Inventors

  • LIN BINGSHENG
  • LIU ZHIHUA
  • CHEN SHUHAO

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 (7)

  1. 1. A dust-removing and purifying device of a steelmaking furnace for a steelmaking workshop comprises a dust-removing box (1) and a dust inlet, and is characterized in that the inner space of the dust-removing box (1) is sequentially separated into an isolation cavity (2), a dust-removing cavity (3) and a water storage cavity (4) from top to bottom through a ring plate (21) and a partition plate (22), the dust inlet is communicated with the dust-removing cavity (3), a spiral guide plate (5), a filter cartridge and a washing cylinder (6) are sequentially arranged in the dust-removing cavity (3) from outside to inside, the upper end of the spiral guide plate (5) is fixed with the ring plate (21), a gap is reserved between the lower end of the spiral guide plate and the partition plate (22), the upper end of the filter cartridge is connected with the ring plate (21) through a flange (7), the lower end of the filter cartridge is propped against the partition plate (22), the cross section of the side wall of the filter cartridge is of a U-shaped structure with the upper end open and the lower end closed, the side wall of the filter cartridge sequentially comprises a coarse layer (8), an active carbon layer (9) and a HEPA layer (10), a filter screen (6) is arranged between the A layer (10) and the washing cylinder (6) and the partition plate (22) is provided with a filter screen (6) and a filter screen assembly (11) which is arranged at the top of the filter cartridge (6), an exhaust pipe (12) is arranged at the top of the dust removal box (1) at the upper part in the washing cylinder (6).
  2. 2. A dust-removing and purifying device for a steelmaking furnace as claimed in claim 1, wherein a dehumidifier (13) is provided in the washing drum (6) above the nozzle assembly.
  3. 3. A dust-removing and purifying device for a steelmaking furnace of a steelmaking plant as set forth in claim 1, wherein said nozzle assembly comprises a center vertical pipe (14) and nozzles (15) uniformly distributed on the center vertical pipe (14) up and down.
  4. 4. A dust-removing and purifying device of a steelmaking furnace for a steelmaking workshop is characterized in that a sedimentation tank (16) is arranged on the outer side of a dust removal box (1), the bottom of a water storage cavity (4) is communicated with the sedimentation tank (16) through a drain pipe, and the upper end of a center vertical pipe (14) extends out of the top of the dust removal box (1) and is communicated with a supernatant layer of the sedimentation tank (16) through a pipeline.
  5. 5. The dust-removing and purifying device of steelmaking furnace for a steelmaking workshop according to claim 1, wherein a stirrer (17) is arranged at the bottom of the water storage cavity (4), and a gas homogenizer (18) is arranged at the lower end of the down pipe after the lower end of the down pipe stretches into the water storage cavity (4).
  6. 6. A dust-removing and purifying device for a steelmaking furnace of a steelmaking plant as set forth in claim 1, wherein the partition plate (22) is formed with an annular groove, the lower end of the filter cartridge is embedded into the annular groove, and a gasket (19) is provided between the lower end of the filter cartridge and the bottom of the annular groove.
  7. 7. A dust-removing and purifying device for a steelmaking furnace of a steelmaking workshop as claimed in claim 1, wherein the upper surface of the partition plate (22) is processed into a conical surface with a high middle edge and a low middle edge, and a dust discharge port (20) is arranged on the side wall of the dust removal cavity (3) at the lowest position of the conical surface.

Description

Steelmaking furnace dust removal purification device for steelmaking workshop Technical Field The utility model relates to the technical field of dust removal and purification equipment, in particular to a dust removal and purification device of a steelmaking furnace for a steelmaking workshop. Background In the steelmaking process, a steelmaking furnace is needed in the steelmaking workshop, the steelmaking furnace is main equipment for steel refining, and comprises a converter and an intermediate frequency furnace, more smoke dust is generated in the steelmaking process, and the smoke dust contains a large amount of dust particles, sulfur, nitrogen and other harmful substances, if the smoke dust is directly discharged, the smoke dust does not meet the national emission standard, the air quality is damaged, and serious atmospheric pollution is caused. At present, dust discharged from a steelmaking furnace is often treated by adopting dust removing equipment, but the existing dust removing equipment is often complicated in structure, high in cost and the like, a filtering part is difficult to maintain, the effect of dust purifying treatment is not ideal, and the problem of large environmental pollution exists after the dust is discharged. Therefore, the dust-removing and purifying device for the steelmaking furnace for the steelmaking workshop, which is low in treatment cost, convenient to maintain and good in purifying effect, is objectively required. Disclosure of utility model The utility model aims to provide a dust-removing and purifying device of a steelmaking furnace for a steelmaking workshop, which has the advantages of low treatment cost, convenient maintenance and good purifying effect. The utility model aims at realizing the device by comprising a dust removal box and a dust inlet, wherein the inner space of the dust removal box is sequentially divided into an isolation cavity, a dust removal cavity and a water storage cavity from top to bottom through a ring plate and a partition plate, the dust inlet is communicated with the dust removal cavity, a spiral guide plate, a filter cylinder and a washing cylinder are sequentially arranged in the dust removal cavity from outside to inside, the upper end of the spiral guide plate is fixed with the ring plate, a gap is reserved between the lower end of the spiral guide plate and the partition plate, the upper end of the filter cylinder is connected with the ring plate through a flange, the lower end of the filter cylinder is abutted against the partition plate, the cross section of the side wall of the filter cylinder is of a U-shaped structure with the upper end open and the lower end closed, the side wall of the filter cylinder sequentially comprises a coarse filter screen layer, an active carbon layer and a HEPA filter screen layer from outside to inside, a descending tube is arranged on the partition plate between the HEPA filter screen layer and the washing cylinder, the upper end of the washing cylinder is fixed with the top of the dust removal box, the lower end of the washing cylinder is communicated with the water storage cavity, a spray head assembly is arranged in the washing cylinder, and the top of the dust removal box above the washing cylinder is provided with an exhaust pipe. Further, a dehumidifier is arranged in the washing cylinder above the spray head assembly. Further, the spray head assembly comprises a central vertical pipe and spray heads which are uniformly distributed on the central vertical pipe up and down. Further, the outside of the dust removal box is provided with a sedimentation tank, the bottom of the water storage cavity is communicated with the sedimentation tank through a drain pipe, and the upper end of the central vertical pipe extends out of the top of the dust removal box and is communicated with a supernatant layer of the sedimentation tank through a pipeline. Further, the bottom in the water storage cavity is provided with a stirrer, and the lower end of the down pipe stretches into the water storage cavity and is provided with an air equalizer. Further, processing has the annular groove on the baffle, and the inside of annular groove is embedded to the lower extreme of cartridge filter, and is provided with sealed the pad between the lower extreme of cartridge filter and the bottom of annular groove. Further, the upper surface of the baffle is processed into a conical surface with a high middle edge and a low middle edge, and a dust exhaust port is arranged on the side wall of the dust removal cavity at the lowest position of the conical surface. When the utility model is operated, the dust inlet is communicated with a steelmaking furnace in a steelmaking workshop, smoke dust generated by the steelmaking furnace enters a dust removing cavity from the dust inlet, flows in a spiral channel formed by a spiral guide plate, at the moment, the smoke dust is in a spiral flowing state, large particle dust and impurit