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CN-224221049-U - Wet-process iron oxide dust collecting and recycling device

CN224221049UCN 224221049 UCN224221049 UCN 224221049UCN-224221049-U

Abstract

The utility model discloses a wet-process iron oxide dust collecting and recycling device, which belongs to the technical field of gas dust removal and comprises an air suction pipe, a first fan, a first venturi tube, a first separator, a second venturi tube and a washing tank, wherein a first liquid storage area is arranged at the inner bottom of the first separator, a second liquid storage area is arranged at the inner bottom of the washing tank, the first venturi tube comprises a first inlet pipe, a venturi tube and a first gradually-expanding pipe, a first liquid inlet pipe is connected to the venturi tube, and the first liquid inlet pipe is communicated with the first liquid storage area. The utility model mixes the gas flow containing the ferric oxide dust through two gas-liquid paths, then the gas flow is subjected to filling and spray trapping of the washing tank, the dust trapping effect in the gas is good, the inlet pipe of the first venturi tube enters the gas and is suitable for trapping micron-sized coarse particles, the inlet pipe of the second venturi tube enters the liquid, the trapping efficiency on submicron-sized particles is high, and the trapped ferric oxide dust slurry can be discharged to the washing tank through two sludge discharge ports, so that the recovery is convenient.

Inventors

  • SHAN MIAO
  • LU YUNFEI
  • ZHANG MING

Assignees

  • 江苏宇星科技有限公司

Dates

Publication Date
20260512
Application Date
20250530

Claims (9)

  1. 1. The utility model provides an iron oxide dust wet trapping recovery unit, its characterized in that, including aspiration channel (1), with first fan (2) that aspiration channel (1) is connected, with first venturi (3) that first fan (2) are connected, with first separator (4) that first venturi (3) are connected, with second venturi (5) that first separator (4) are connected and with wash tank (6) that second venturi (5) are connected, be equipped with first stock solution district (401) in first separator (4), be equipped with second stock solution district (601) in wash tank (6), first venturi (3) include with first import pipe (31) that first fan (2) are connected, with first venturi (33) that first import pipe (31) are connected and with venturi (32) are connected, be connected with first feed liquor (34) on venturi (32), first feed liquor (34) and first feed liquor district (401) are connected.
  2. 2. The iron oxide dust wet capturing and recycling apparatus according to claim 1, characterized in that the second venturi tube (5) includes a second inlet tube (51), a suction chamber (52) connected to the second inlet tube (51), a mixing tube (53) connected to the suction chamber (52), and a second diverging tube (54) connected to the mixing tube (53), the second inlet tube (51) being in communication with the second liquid storage area (601) through a circulation pump (7), the suction chamber (52) being in communication with the first separator (4).
  3. 3. The wet iron oxide dust collecting and recycling device according to claim 2, wherein a partition plate (62) is arranged in the washing tank (6), the partition plate (62) divides the interior of the washing tank (6) into a first functional area (602) and a second functional area (603) which are communicated with each other, and the outlet end of the second gradually-expanding pipe (54) is communicated with the first functional area (602).
  4. 4. A wet iron oxide dust collecting and recycling device according to claim 3, characterized in that a filler layer (63) and a spray pipe (64) are arranged in the second functional area (603), a plurality of filler balls are arranged in the filler layer (63), a plurality of spray heads (641) are arranged on the spray pipe (64), and the spray pipe (64) is connected with the circulating pump (7).
  5. 5. A wet iron oxide dust collecting and recovering device according to claim 3, characterized in that the partition plate (62) extends downwards from the top wall of the washing tank (6).
  6. 6. A wet iron oxide dust collecting and recycling apparatus according to claim 3, characterized in that a demister (65) is further provided in the second functional zone (603).
  7. 7. The iron oxide dust wet capturing and recycling apparatus according to claim 1, characterized in that the top side wall of the first separator (4) is communicated with the washing tank (6) through a first intermediate pipe (42), and the first liquid storage area (401) of the first separator (4) is communicated with the second liquid storage area (601) of the washing tank (6) through a second intermediate pipe (43).
  8. 8. The wet iron oxide dust collecting and recycling device according to claim 1, wherein a first sludge discharge port (41) is arranged on the first separator (4), and a second sludge discharge port (61) is arranged on the washing tank (6).
  9. 9. The iron oxide dust wet capturing and recycling apparatus according to claim 1, characterized in that the suction pipe (1) comprises a hose section (12) and a suction hood (11) connected to the hose section (12).

Description

Wet-process iron oxide dust collecting and recycling device Technical Field The utility model belongs to the technical field of gas dust removal, and particularly relates to a wet-process iron oxide dust collecting and recycling device. Background In the process of producing the iron oxide red, solid purification technologies such as washing and grinding are adopted, the iron oxide powder subjected to desilication is conveyed from an original acid regeneration station to a first-stage screening tank of a solid purification room through negative pressure gas by an iron oxide powder bin, the iron oxide powder enters a washing tank after primary screening, pure water is introduced into the washing tank, the iron powder and the water are mixed into iron powder slurry, then the iron powder slurry enters a second-stage screening tank by gravity, the iron powder slurry discharged from the second-stage screening tank flows into a stirring tank by gravity, impurities in the iron powder are fully dissolved into the water through stirring, slurry discharged from the stirring tank is pumped to a filter press for dehydration, the dehydrated mud cake is conveyed to a vibrating screen to separate finer particles, the particles enter a drying furnace for drying, the dried iron powder is conveyed to a vibrating ball mill for grinding to meet the requirements of finished products, and finally the iron oxide red bin is conveyed to be packaged and transported outside through the negative pressure gas. In the process of producing ferric oxide, ferric oxide dust is easy to diffuse, threatens the health of staff, also causes the waste of ferric oxide raw materials, the mode of sack filter is mostly adopted to current dust collector, although can collect and filter the dust but the filter adopts the filter bag form, need the unscheduled renew, the ferric oxide dust of the filter bag that changes down can't be retrieved and cause the waste, the filter bag body also can't cyclic utilization, and in order to improve filter fineness and use the filter bag of less aperture to also increased the filter bag frequency of renewing, the filter bag forms solid rubbish, it is extravagant and not environmental protection. Disclosure of utility model The utility model solves the technical problem of providing the wet-process iron oxide dust collecting and recycling device which can fully collect and conveniently recycle the iron oxide dust without using a filter bag. The technical scheme adopted by the utility model is as follows in order to solve the technical problems: The utility model provides an iron oxide dust wet trapping recovery unit, includes the aspiration channel, with first fan that the aspiration channel is connected, with first venturi that first fan is connected, with first separator that first venturi is connected, with the second venturi that first separator is connected and with the wash tank that second venturi is connected, be equipped with first stock solution district in the first separator, be equipped with the second stock solution district in the wash tank bottom, first venturi include with first import pipe that first fan is connected, with the venturi that first import pipe is connected and with the first diverging pipe that the venturi is connected, be connected with first feed liquor pipe on the venturi, first feed liquor pipe with first stock solution district intercommunication. Further, the second venturi tube comprises a second inlet tube, an air suction chamber connected with the second inlet tube, a mixing tube connected with the air suction chamber and a second gradually-expanding tube connected with the mixing tube, the second inlet tube is communicated with the second liquid storage area through a circulating pump, and the air suction chamber is communicated with the first separator. Further, a partition plate is arranged in the washing tank, the partition plate divides the interior of the washing tank into a first functional area and a second functional area which are mutually communicated, and the outlet end of the second gradually-expanding pipe is communicated with the first functional area. Further, a packing layer and a spray pipe are arranged in the second functional area, a plurality of packing balls are arranged in the packing layer, a plurality of spray heads are arranged on the spray pipe, and the spray pipe is connected with the circulating pump. Further, the divider panel extends downwardly from the wash tank top wall. Further, a demister is further arranged in the second functional area. Further, the side wall of the top end of the first separator is communicated with the washing tank through a first intermediate pipe, and the first liquid storage area of the first separator is communicated with the second liquid storage area of the washing tank through a second intermediate pipe. Further, a first mud discharging port is formed in the first separator, and a second mud discharging port is form