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CN-121971975-A - Smelting tail gas desulfurization purification treatment device

CN121971975ACN 121971975 ACN121971975 ACN 121971975ACN-121971975-A

Abstract

The invention relates to the technical field of atmospheric pollution treatment, in particular to a smelting tail gas desulfurization purification treatment device which comprises a treatment cabin, wherein an air inlet pipe is communicated with the treatment cabin, an air injection end of the air inlet pipe extends to the bottom of an inner cavity of the treatment cabin and is arranged corresponding to the position of a stirrer, a stirring system, a purification system and a spraying system are arranged in the treatment cabin, the stirring system comprises a rotating shaft which is vertically and rotatably connected to the bottom of the inner cavity of the treatment cabin, a stirrer which is fixedly arranged on the rotating shaft, and a horizontal driving rod which is in transmission connection with the rotating shaft, an elliptical frame is fixedly arranged on the horizontal driving rod, an active carbon purification plate is fixedly embedded in an inner ring of a plastic deformation ring, and when the active carbon purification plate is positioned right above the elliptical frame, the active carbon purification plate is enabled to fall onto the elliptical frame in a self-adaptive mode to form vibration contact, and vibration cleaning is automatically completed through frequent rotation of the elliptical frame.

Inventors

  • LI XIAOGUO

Assignees

  • 丰城市华龙金属制品有限公司

Dates

Publication Date
20260505
Application Date
20260206

Claims (9)

  1. 1. A smelting tail gas desulfurization purification treatment device is characterized by comprising a treatment cabin (1), wherein an air inlet pipe (2) is communicated with the treatment cabin (1), an air injection end of the air inlet pipe (2) extends to the bottom of an inner cavity of the treatment cabin (1), a stirring system, a purification system and a spraying system are arranged in the treatment cabin (1), the stirring system comprises a rotating shaft (3) vertically and rotatably connected to the bottom of the inner cavity of the treatment cabin (1), a stirrer (4) fixedly arranged on the rotating shaft (3), a horizontal driving rod (5) in transmission connection with the rotating shaft (3), an elliptical frame (6) is fixedly arranged on the horizontal driving rod (5), the elliptical frame (6) is positioned above the stirrer (4), a metal ring (7) in sliding fit with the inner wall of the treatment cabin (1), an inner ring of the metal ring (7) is connected with a plastic deformation ring (8), an inner ring of the plastic deformation ring is fixedly embedded with an activated carbon purification plate (9), the activated carbon purification plate (9) is positioned above the elliptical frame (6) and a plurality of activated carbon purification plates (10) are arranged on the upper side of the elliptical frame (9) in a certain amount, and the activated carbon purification plates (10) are embedded and run through the activated carbon purification plates (10) on the upper side of the elliptical frame, the spraying system comprises spraying pipes (11) laid in the treatment cabin (1), a plurality of spraying heads (12) are arranged on the spraying pipes (11) at intervals, the spraying heads (12) are arranged towards the activated carbon purification plate (9) and are located above the activated carbon purification plate, a liquid suction pipe (13) is communicated with the spraying pipes (11), the other ends of the liquid suction pipes (13) extend to the bottom of the treatment cabin (1) and are used for sucking accumulated liquid at the bottom of the treatment cabin (1) to circulate.
  2. 2. The smelting tail gas desulfurization purifying apparatus according to claim 1, wherein the stirrer (4) extends in a radial direction of the treating compartment (1) and is provided in at least two sets, an upper set and a lower set.
  3. 3. The smelting tail gas desulfurization purification treatment device according to claim 2, wherein an assembly frame is installed in the treatment cabin (1), a bearing seat is installed on the assembly frame, the horizontal driving rod (5) is assembled on the bearing seat, a driving bevel gear (14) is installed on the rotating shaft (3), a driven bevel gear (15) is installed on the horizontal driving rod (5), and the driven bevel gear (15) is in meshed transmission with the driving bevel gear (14).
  4. 4. The smelting tail gas desulfurization purification treatment device according to claim 3, wherein at least four guide rails (16) distributed in an annular array are fixedly arranged on the inner wall of the treatment cabin (1), four sliding blocks (17) are arranged on the outer peripheral wall of the metal ring (7), and the four sliding blocks (17) are respectively matched with the four guide rails (16) in a one-to-one sliding manner so as to guide the metal ring (7) to move up and down along the inner wall of the treatment cabin (1).
  5. 5. The smelting tail gas desulfurization purification treatment device according to claim 4, wherein at least four limit seats (18) distributed in an annular array are fixedly arranged on the inner wall of the treatment cabin (1), the four limit seats (18) are correspondingly positioned below the four guide rails (16), and the bottom ends of the metal rings (7) are correspondingly arranged on the four limit seats (18) and are used for forming initial supporting limit for the metal rings (7).
  6. 6. The smelting tail gas desulfurization purification treatment device according to claim 5, wherein the horizontal driving rod (5) takes the position where the driven bevel gear (15) is arranged as a midpoint, two ends of the horizontal driving rod horizontally extend from the midpoint to two sides, two extending ends are respectively fixedly provided with one elliptical frame (6), and the two elliptical frames (6) synchronously rotate to ensure that the active carbon purification plate (9) moves stably in a lifting manner.
  7. 7. The smelting tail gas desulfurization purification treatment device according to claim 6, wherein two rubber blocks (19) are fixedly arranged on the bottom surface of the activated carbon purification plate (9) corresponding to the positions of the two elliptical frames (6), and when the activated carbon purification plate (9) moves downwards, the two rubber blocks (19) are respectively in up-and-down fit contact with the two elliptical frames (6) to realize flexible transmission fit.
  8. 8. The smelting tail gas desulfurization purification treatment device according to claim 7, wherein a through hole is formed in the middle of the activated carbon purification plate (9), a sliding sleeve (20) is fixedly embedded in the through hole, a sliding bearing (21) is fixedly embedded in the sliding sleeve (20), a guide rod (22) is vertically arranged in the treatment cabin (1), the sliding bearing (21) is slidably matched with the guide rod (22), the bottom end of the guide rod (22) penetrates through the lower part of the activated carbon purification plate (9), a limiting part (23) is arranged, the bottom end of the sliding sleeve (20) penetrates through the lower part of the activated carbon purification plate (9) to reach the upper part of the limiting part (23), a movement space is formed between the sliding sleeve and the limiting part (23), a spring (24) is arranged in the movement space, the top end of the spring (24) is elastically abutted against the bottom end of the sliding sleeve (20), and the bottom end is elastically abutted against the top end of the limiting part (23).
  9. 9. The smelting tail gas desulfurization purification treatment device according to claim 8, wherein a rubber ring (25) is fixedly arranged on the bottom surface of the activated carbon purification plate (9), and four spring seats (26) are fixedly arranged on the inner wall of the treatment cabin (1) in an annular array and correspond to the position right below the rubber ring (25).

Description

Smelting tail gas desulfurization purification treatment device Technical Field The invention relates to the technical field of atmospheric pollution treatment, in particular to a smelting tail gas desulfurization purification treatment device. Background In the industrial production processes of metallurgy, coking and the like, the smelting tail gas contains a large amount of sulfur dioxide, dust and other acidic pollutants, if the smelting tail gas is directly discharged, serious pollution is caused to the atmospheric environment, and meanwhile, an ecological system and human health are jeopardized, so that desulfurization and purification treatment is an indispensable environment-friendly process in the smelting industry. At present, the wet desulfurization process is widely applied to smelting tail gas treatment due to high desulfurization efficiency and strong adaptability, and the core principle is that alkaline absorption liquid (such as lime milk) and acid pollutants in the tail gas are subjected to chemical reaction to realize conversion and removal of pollutants, and a multistage purification structure such as spraying, filtering and the like is generally matched to improve the treatment effect. However, the conventional wet desulfurization device often uses activated carbon and other filtering purification components in the purification process, and the purification channels or purification holes of the filtering purification components often store pollutants, so that the purification efficiency becomes low after the cleaning is not performed, and the operation and maintenance cost is increased due to manual disassembly and cleaning, and the tightness and the operation stability of the device are possibly influenced by frequent disassembly and assembly, so that the problem is necessary to be solved. Disclosure of Invention In order to solve the problems, the invention provides the following technical scheme: The smelting tail gas desulfurizing and purifying treatment device comprises a treatment cabin, wherein the treatment cabin is communicated with an air inlet pipe, the gas injection end of the gas inlet pipe extends to the bottom of the inner cavity of the treatment cabin and is arranged corresponding to the position of the stirrer; a stirring system, a purifying system and a spraying system are arranged in the treatment cabin; the stirring system comprises a rotating shaft which is vertically and rotatably connected to the bottom of the inner cavity of the treatment cabin and a stirrer which is fixedly arranged on the rotating shaft, and a horizontal driving rod in transmission connection with the rotating shaft, wherein an elliptical frame is fixedly arranged on the horizontal driving rod, the elliptical frame is positioned above the stirrer; the purification system comprises a metal ring which is in sliding fit with the inner wall of the treatment cabin, the inner ring of the metal ring is connected with a plastic deformation ring, the inner ring of the plastic deformation ring is embedded and fixed with an active carbon purification plate, the active carbon purification plate is positioned right above the elliptical frame, a plurality of purifying air passages which are communicated up and down are formed in the active carbon purifying plate; the weight of the activated carbon purification plate increases along with the increase of the impurities trapped in the purification air passage, so that the plastic deformation ring is promoted to be plastically deformed downwards, and the plastic deformation ring drives the activated carbon purification plate to move downwards and is lapped on the elliptical frame, the activated carbon purification plate is driven to reciprocate up and down by the rotation of the elliptical frame along with the horizontal driving rod; the spraying system comprises a spraying pipe paved in the treatment cabin, a plurality of spray heads are arranged on the spray pipe at intervals, the spray heads are arranged towards the activated carbon purification plate and are positioned above the activated carbon purification plate, the spray pipe is communicated with a liquid suction pipe, and the other end of the liquid suction pipe extends to the bottom of the treatment cabin and is used for pumping and treating the liquid accumulation at the bottom of the treatment cabin for circulating spraying. As a further preferred aspect, the agitator extends in a radial direction of the treatment chamber and is at least two sets, an upper set and a lower set. As a further preferable mode, an assembly frame is arranged in the treatment cabin, a bearing seat is arranged on the assembly frame, the horizontal driving rod is assembled on the bearing seat, a driving bevel gear is arranged on the rotating shaft, a driven bevel gear is arranged on the horizontal driving rod, and the driven bevel gear is meshed with the driving bevel gear for transmission. As a further preferable mode, at lea