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CN-121971986-A - Pickling acid mist absorbing device

CN121971986ACN 121971986 ACN121971986 ACN 121971986ACN-121971986-A

Abstract

The invention relates to an acid pickling acid mist absorbing device, which belongs to the technical field of industrial waste gas treatment and comprises a purifying tower, wherein a climbing assembly is arranged on the outer side surface of the purifying tower, a plurality of spray pipes are sequentially arranged in the purifying tower from bottom to top, one end of each spray pipe is connected with a pumping assembly for pumping absorption liquid after penetrating through the purifying tower in a sealing manner, an atomizing nozzle is arranged on each spray pipe through a quick-dismantling assembly, the quick-dismantling assembly comprises a first clamping ring and a second clamping ring, one ends of the first clamping ring and the second clamping ring are movably connected, the other ends of the first clamping ring and the second clamping ring are outwards extended and provided with butt joint plates, corresponding U-shaped clamping grooves are formed in the two butt joint plates, a screw is arranged in each U-shaped clamping groove, one end of each screw is connected with one butt joint plate in a rotating manner, a butterfly cap is sleeved at the other end of each screw, and the butterfly cap is tightly attached to the other butt joint plate after the other end of each screw extends out of the U-shaped clamping grooves. The invention can improve the disassembly and maintenance efficiency of the spray pipe nozzle and can improve the safety of maintenance personnel when climbing the tower body.

Inventors

  • DING WU

Assignees

  • 华能(福建)能源开发有限公司福州分公司

Dates

Publication Date
20260505
Application Date
20260316

Claims (10)

  1. 1. The acid pickling acid mist absorbing device comprises a purifying tower (1), wherein a climbing assembly is arranged on the outer side surface of the purifying tower (1), and the acid pickling acid mist absorbing device is characterized in that a plurality of spray pipes (4) are sequentially arranged in the purifying tower (1) from bottom to top, one end of each spray pipe (4) is connected with a pumping assembly for pumping absorption liquid after penetrating through the purifying tower (1) in a sealing manner, and an atomizing nozzle (8) is arranged on each spray pipe (4) through a quick-dismantling assembly (6); Quick detach subassembly (6) are including two first snap rings (601) and second snap ring (602) of butting each other and holding shower (4), first snap ring (601) and second snap ring (602) one end swing joint, all outwards extend and are provided with butt plate (607) at first snap ring (601) and second snap ring (602) other end, have seted up corresponding U type draw-in groove on two butt plates (607), be provided with screw rod (605) in the U type draw-in groove, screw rod (605) one end and one of them butt plate (607) rotate to be connected, and screw rod (605) other end stretches out behind the U type draw-in groove behind the screw thread cup joint butterfly cap (606), butterfly cap (606) locking laminating another butt plate (607) set up.
  2. 2. The acid mist absorbing device of claim 1, wherein one end of the screw rod (605) far away from the butterfly cap (606) is integrally connected with a fixing column (603), a pin shaft (604) is vertically arranged on the fixing column (603) in a penetrating mode, and two ends of the pin shaft (604) are rotatably arranged on an abutting plate (607) far away from the butterfly cap (606).
  3. 3. The acid mist absorbing device of claim 1, wherein the climbing assembly comprises two mounting frames (101) which are vertically arranged at intervals, the two mounting frames (101) are fixedly arranged on the outer wall of the purifying tower (1), a plurality of maintenance pedals (2) which are sequentially arranged at intervals from bottom to top are fixedly connected between the two mounting frames (101), and auxiliary handrails (505) are fixedly connected to the two mounting frames (101).
  4. 4. An acid mist absorbing device according to claim 3, characterized in that the service pedal (2) is provided with a skid-proof assembly (5), the skid-proof assembly (5) comprises a plurality of skid-proof bumps (501) which are evenly arranged on the service pedal (2) and are raised upwards, and a drain hole (502) penetrating through the service pedal (2) is formed in the middle of each skid-proof bump (501).
  5. 5. The acid mist absorbing device according to claim 4, wherein a water absorbing sponge pad (503) is provided on the inspection pedal (2) provided at the bottommost end, and a first scraper (504) is fixedly provided at the front end of the inspection pedal (2) provided at the bottommost end.
  6. 6. The acid mist absorbing device is characterized in that a plurality of drain holes (502) are formed in a service pedal (2) arranged at the bottommost end, a water absorbing foam cushion (503) is arranged at the top end cover of the drain holes (502), two adjusting plates (72) which are oppositely arranged and close to each other and are capable of being lifted upwards are arranged at the bottom end between two mounting racks (101), a mud scraping plate two (74) is fixedly arranged at the front end of each adjusting plate (72), and each adjusting plate (72) is arranged under the service pedal (2) at the bottommost end.
  7. 7. The acid mist absorbing device of claim 6, wherein a fixing plate (7) is arranged between the adjusting plate (72) and the purifying tower (1), the fixing plate (7) is fixed on the side wall of the purifying tower (1), a driving motor is arranged on the fixing plate (7), the output end of the driving motor is in transmission connection with a rotating shaft (73), the rotating shaft (73) is fixedly connected with the end part of the adjusting plate (72) after penetrating through the fixing plate (7) in a rotating mode, and the front end of the fixing plate (7) is fixedly connected with a supporting plate (71) which is attached to the bottom ends of the two adjusting plates (72).
  8. 8. The acid mist absorbing device of claim 6, wherein the adjusting plates (72) are provided with diversion trenches (721), and opposite ends of the two adjusting plates (72) are also provided with butt joint inclined planes which are matched with each other.
  9. 9. The acid mist absorbing device of claim 1, wherein the pumping assembly comprises a pumping box (3), a liquid feeding main pipe (401) is connected to the pumping box (3), and the liquid feeding main pipe (401) is connected with each spray pipe (4) through a plurality of liquid feeding branch pipes (402).
  10. 10. The acid pickling acid mist absorbing device according to claim 1, wherein a mist removing layer (103) is arranged above each spray pipe (4) at intervals, and an overhaul port (102) formed in the side wall of the purifying tower (1) is formed in the side surface of the top end of each mist removing layer (103).

Description

Pickling acid mist absorbing device Technical Field The invention relates to an acid mist absorption device for acid washing, and belongs to the technical field of industrial waste gas treatment. Background The acid mist purifying tower is used as environment protecting equipment for purifying acid waste gas and protecting atmosphere, and has the main technological principle of conveying neutralizing and absorbing liquid to the spraying pipe inside the tower via the circulating pump, atomizing via the nozzle, and countercurrent contact with the waste gas from bottom to top to produce gas-liquid chemical reaction to eliminate harmful matter. In order to ensure the purification efficiency, the apparatus needs to be operated continuously for a long period of time. Maintenance of the spray system is a significant pain point during long-term operation of the equipment. Because the nozzles are in an acid-base corrosion environment for a long time and are easily blocked by particulate matters in the waste gas, maintenance personnel are required to climb the tower body and then enter the equipment to periodically clean the nozzles or replace the nozzles. In the existing acid mist purifying tower, the spray nozzle and the spray pipe are usually connected through threads or flanges, and the connecting mode is simple in structure, but is very complicated in disassembly, maintenance personnel often need to perform laborious screwing operation inside a tower body with narrow and insufficient light, tools such as a wrench are used, sometimes even the whole section of spray pipeline needs to be disassembled to complete replacement of a single spray nozzle, so that maintenance efficiency is seriously reduced, equipment shutdown time is prolonged, and improvement is urgently needed. Disclosure of Invention In order to overcome the defects in the prior art, the invention designs the acid mist absorption device, which can improve the disassembly and overhaul efficiency of the spray pipe nozzle and can improve the safety of overhaul personnel during climbing the tower body. In order to achieve the above purpose, the present invention adopts the following technical scheme: The acid pickling acid mist absorbing device comprises a purifying tower, wherein a climbing assembly is arranged on the outer side surface of the purifying tower, a plurality of spray pipes are sequentially arranged in the purifying tower from bottom to top, one end of each spray pipe is connected with a pumping assembly for pumping absorption liquid after penetrating through the purifying tower in a sealing manner, and an atomizing nozzle is arranged on each spray pipe through a quick-dismantling assembly; The quick detach subassembly includes two first snap rings and second snap rings of butt joint each other and holding the shower, first snap ring and second snap ring one end swing joint, and first snap ring and second snap ring other end all outwards extend and are provided with the butt joint board, have seted up corresponding U type draw-in groove on two butt joint boards, be provided with the screw rod in the U type draw-in groove, screw rod one end is connected with one of them butt joint board rotation, and the screw rod other end stretches out behind the U type draw-in groove the screw thread and has cup jointed the butterfly cap, the butterfly cap locks another butt joint board setting of laminating. Further, one end of the screw rod, which is far away from the butterfly cap, is integrally connected with a fixing column, a pin shaft is vertically arranged on the fixing column in a penetrating mode, and two ends of the pin shaft are rotatably arranged on an abutting plate, which is far away from the butterfly cap. Further, climb the mounting bracket that the subassembly set up including two vertical intervals, two equal fixed mounting of mounting bracket are at the purifying column outer wall, and a plurality of maintenance footboard that follow supreme interval in proper order that follow of fixedly connected with set up between two mounting brackets, still fixedly connected with assist handle on two mounting brackets. Further, the anti-skid assembly is arranged on the overhaul pedal and comprises a plurality of anti-skid convex blocks which are uniformly arranged on the overhaul pedal and convex upwards, and drain holes penetrating through the overhaul pedal are formed in the middle of each anti-skid convex block. Further, a water-absorbing foam cushion is arranged on the overhauling pedal arranged at the bottommost end, and a first mud scraping plate is fixedly arranged at the front end of the overhauling pedal arranged at the bottommost end. The bottom end between the two mounting racks is provided with two adjusting plates which are oppositely arranged and are close to each other, one end of each adjusting plate can be lifted upwards, the front end of each adjusting plate is fixedly provided with a second scraping plate, and the adjusting plat