CN112569751A - Purification treatment system and purification treatment method for washing and absorbing acidic waste gas - Google Patents

Purification treatment system and purification treatment method for washing and absorbing acidic waste gas Download PDF

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Publication number
CN112569751A
CN112569751A CN202011427430.3A CN202011427430A CN112569751A CN 112569751 A CN112569751 A CN 112569751A CN 202011427430 A CN202011427430 A CN 202011427430A CN 112569751 A CN112569751 A CN 112569751A
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liquid
gas
distribution
absorption
waste gas
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崔小勤
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/18—Absorbing units; Liquid distributors therefor
    • B01D53/185—Liquid distributors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/1456—Removing acid components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
    • B01D53/18—Absorbing units; Liquid distributors therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26—Drying gases or vapours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/231—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids by bubbling
    • B01F23/23105—Arrangement or manipulation of the gas bubbling devices
    • B01F23/2312—Diffusers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/233—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements
    • B01F23/2331—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements
    • B01F23/23311—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using driven stirrers with completely immersed stirring elements characterised by the introduction of the gas along the axis of the stirrer or along the stirrer elements through a hollow stirrer axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
    • B01F25/21—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers
    • B01F25/212—Jet mixers, i.e. mixers using high-speed fluid streams with submerged injectors, e.g. nozzles, for injecting high-pressure jets into a large volume or into mixing chambers the injectors being movable, e.g. rotating
    • B01F25/2122—Rotating during jetting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
    • B01F31/40—Mixers with shaking, oscillating, or vibrating mechanisms with an axially oscillating rotary stirrer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/712—Feed mechanisms for feeding fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/7179—Feed mechanisms characterised by the means for feeding the components to the mixer using sprayers, nozzles or jets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
    • B01F35/71805—Feed mechanisms characterised by the means for feeding the components to the mixer using valves, gates, orifices or openings

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)

Abstract

The invention discloses a purification treatment system for washing and absorbing acidic waste gas, which comprises an absorption liquid circulating tower, a washing and absorbing container, a container sealing cover, an air inlet pipeline, an air outlet pipeline, a gas-liquid co-distribution composite unit and a gas dehumidification unit, wherein the absorption liquid circulating tower is arranged on the top of the container; the gas-liquid co-distribution composite unit is arranged in the washing absorption container, the liquid outlet end of the liquid circulation pipeline is in butt joint with the liquid inlet end at the top of the gas-liquid co-distribution composite unit, the gas inlet pipeline is in butt joint with the gas inlet end at the bottom of the gas-liquid co-distribution composite unit, and the gas dehumidification unit is arranged in the container sealing cover; the gas-liquid common distribution composite unit respectively performs liquid distribution and gas distribution actions on the absorption liquid introduced into the gas-liquid common distribution composite unit in the absorption liquid in the washing absorption container, and the waste gas is discharged from the gas outlet pipeline after being washed and absorbed and performing a dehumidifying action through the gas dehumidifying unit. The invention solves the problem of gas discharge of the inclusion absorption liquid, and simultaneously has good waste gas purification treatment effect and high efficiency.

Description

Purification treatment system and purification treatment method for washing and absorbing acidic waste gas
Technical Field
The invention belongs to the technical field of waste gas purification treatment, and particularly relates to a purification treatment system and a purification treatment method for washing and absorbing acidic waste gas.
Background
The existing equipment for purifying and treating the waste gas by a washing mode has the following defects:
firstly, the contact between the waste gas and the absorption liquid is insufficient, so that the waste gas purification treatment is incomplete and the efficiency is low;
and secondly, dehumidification is not carried out, a small amount of absorption liquid is mixed in the discharged waste gas, gas detection is influenced subsequently, or the environment is polluted by evacuation.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides the purification treatment system and the purification treatment method for washing and absorbing the acidic waste gas, which solve the problem of gas discharge and inclusion of absorption liquid, and have good waste gas purification treatment effect and high efficiency.
The technical scheme is as follows: in order to achieve the purpose, the purification treatment system for washing and absorbing the acidic waste gas comprises an absorption liquid circulating tower, a washing and absorbing container, a container sealing cover, an air inlet pipeline, an air outlet pipeline, a gas-liquid co-distribution composite unit and a gas dehumidification unit, wherein the absorption liquid circulating tower is arranged on the absorption liquid circulating tower;
the absorption liquid circulating tower is provided with a liquid circulating pipeline and a circulating pump which are matched, and the absorption liquid circulating tower and the circulating pump are both positioned on the liquid circulating pipeline; the washing absorption container and the container sealing cover are mutually matched and are cylindrical in shape, and the container sealing cover is arranged at the top of the washing absorption container; the gas-liquid co-distribution composite unit is arranged in the washing and absorbing container, the liquid outlet end of the liquid circulation pipeline is in butt joint with the liquid inlet end at the top of the gas-liquid co-distribution composite unit, and the liquid inlet end of the liquid circulation pipeline is communicated with the inner bottom of the washing and absorbing container; the gas inlet pipeline is in butt joint with a gas inlet end at the bottom of the gas-liquid co-distribution composite unit, the gas outlet pipeline is communicated with the inner top of the container sealing cover, and the gas dehumidifying unit is arranged in the container sealing cover;
the gas-liquid common distribution composite unit respectively performs liquid distribution and gas distribution actions on the absorption liquid introduced into the gas-liquid common distribution composite unit in the absorption liquid in the washing absorption container, and the waste gas is discharged from the gas outlet pipeline after being washed and absorbed and performing dehumidification actions through the gas dehumidification unit.
Furthermore, the gas-liquid co-distribution composite unit comprises a liquid distribution unit and a gas distribution unit, absorption liquid in the absorption liquid circulating tower is guided to the liquid distribution unit for liquid distribution, and waste gas is guided to the gas distribution unit through a gas inlet pipeline for gas distribution; wherein the content of the first and second substances,
the liquid distribution unit comprises a large vertical pipe, an upper liquid distribution circular plate, a lower liquid distribution circular plate and a bottom liquid distribution box; the large vertical pipe is in rotary sealing fit with the container sealing cover and is inserted into the washing absorption container, the top of the large vertical pipe is in rotary butt joint with the liquid circulation pipeline through a first rotary joint, and a first driving mechanism for driving the large vertical pipe to rotate circumferentially is arranged in a matched manner; the upper liquid distribution circular plate and the lower liquid distribution circular plate keep a vertical distance and are fixedly arranged on a large vertical pipe, a liquid outlet hole is formed in the large vertical pipe, and the large vertical pipe is communicated with the upper liquid distribution circular plate and the lower liquid distribution circular plate through the liquid outlet hole; through holes are formed in the upper liquid distribution circular plate and the lower liquid distribution circular plate in a penetrating mode, and the through holes are not communicated with the upper liquid distribution circular plate and the lower liquid distribution circular plate; the base cloth liquid tank is communicated with the bottom end of the large vertical pipe, and stirring blades are arranged on the periphery of the base cloth liquid tank; the upper cloth liquid round plate, the lower cloth liquid round plate and the base cloth liquid box are all provided with cloth liquid holes, and the cloth liquid holes are distributed on the lower surface of the upper cloth liquid round plate, the upper surface of the lower cloth liquid round plate and the side surface of the base cloth liquid box;
the gas distribution unit comprises a small vertical pipe, a communicating pipe, a vertical spiral gas distribution blade, an upper vertical supporting spring, a lower vertical supporting spring, a guide cross rod and an elastic plugging sheet; the outer diameter of the small vertical pipe is smaller than the inner diameter of the large vertical pipe, the small vertical pipe penetrates through the base fabric liquid tank in a rotary sealing mode and is concentrically inserted into the large vertical pipe from the bottom end of the large vertical pipe, and the lower end of the small vertical pipe is in rotary butt joint with the air inlet pipeline through a second rotary joint; the vertical spiral gas distribution blade is elastically and movably sleeved on the large vertical pipe between the upper liquid distribution circular plate and the lower liquid distribution circular plate through an upper vertical supporting spring and a lower vertical supporting spring, the vertical spiral gas distribution blade is of a hollow structure, the small vertical pipe is fixed and communicated with the vertical spiral gas distribution blade through the communicating pipe penetrating through the pipe wall opening on the large vertical pipe, and the periphery of the elastic plugging sheet is in sealing connection with the pipe wall opening through the elastic plugging sheet; the top end of the small vertical pipe is plugged, the guide cross rod is arranged at the top end of the small vertical pipe, a vertical guide groove is formed in the inner side of the large vertical pipe, and the rod end of the guide cross rod extends into the vertical guide groove; the surface of the vertical spiral gas distribution blade is densely distributed with gas distribution holes, the gas distribution holes are distributed on the lower half part of the vertical spiral gas distribution blade, and the rotating and conveying direction of the vertical spiral gas distribution blade is downward.
Further, the elastic plugging sheet is made of a material having elastic deformation and waterproof property.
Further, the gas dehumidification unit comprises a circular liquid collection box, a circular liquid absorption filler, an annular electric slide rail, an electric push rod, a mounting plate, a transverse liquid suction pipe, a third rotary joint, a second driving mechanism, a liquid guide pipe and a water suction pump; a first hollow plate frame is clamped between the container sealing cover and the washing absorption container, and a second hollow plate frame is arranged in the container sealing cover; the circular liquid collecting box is fixedly sleeved on the large vertical pipe, and the top of the circular liquid collecting box is provided with a circular box opening; the annular liquid absorption filler is filled between the outer side of the circular liquid collecting box and the inner side of the container sealing cover; the annular electric sliding rail is arranged at the bottom of the second hollowed-out plate frame; the electric push rod is vertically arranged on the annular electric slide rail downwards; the mounting plate is arranged at the push-pull end of the electric push rod; the transverse liquid suction pipe is arranged on the mounting plate in a rotating fit mode, and the second driving mechanism is arranged on the mounting plate and is in driving connection with the transverse liquid suction pipe; one end of the transverse pipette is open, the other end of the transverse pipette is blocked, and pipette holes are uniformly distributed on the outer peripheral side; the open end of the transverse pipette is in rotary butt joint with the liquid guide pipe through a third rotary joint, and the liquid outlet end of the liquid guide pipe is corresponding to the round box opening; the water suction pump is arranged on the liquid guide pipe;
the electric push rod pushes the transverse liquid suction pipe to press the annular liquid absorption filler downwards to extrude the absorbed absorption liquid, the second driving mechanism drives the transverse liquid suction pipe to rotate in the circumferential direction to change the position of the liquid suction hole, the annular electric slide rail drives the transverse liquid suction pipe to rotate in a fixed point rolling manner and cover the whole annular liquid absorption filler, and the water suction pump sucks the extruded absorption liquid into the circular liquid collection box.
Further, the gas dehumidification unit further comprises an annular slide rail and a vertical telescopic rod; the annular sliding rail is arranged at the top of the circular liquid collecting box, and the annular sliding rail and the annular electric sliding rail are arranged on the same central axis; the vertical telescopic rod is installed on the annular sliding rail, the upper end of the vertical telescopic rod is connected with the catheter or the water suction pump, and the vertical telescopic rod is formed by sequentially sleeving a plurality of sections of sleeves.
Further, the liquid absorbing filler is composed of a material having deformation recovery and absorption characteristics.
Furthermore, the first driving mechanism and the second driving mechanism are both gear transmission driving mechanisms driven by a motor.
A purification treatment method of a purification treatment system for washing and absorbing acidic waste gas comprises the following specific steps:
step S1: pre-storing absorption liquid into the washing absorption container through a circulating pump, wherein the liquid level of the absorption liquid is higher than that of the liquid distribution circular plate;
step S2: including cloth liquid, cloth gas, the three operating mode of dehumidification, wherein, cloth liquid and cloth gas go on in step, and the dehumidification is gone on later, specifically as follows:
s2.1) liquid distribution: circularly pumping the absorption liquid in the absorption liquid circulating tower into a liquid distribution unit through a circulating pump, and starting a first driving mechanism; the absorption liquid firstly enters the large vertical pipe and is distributed to the upper liquid distribution round plate, the lower liquid distribution round plate and the bottom liquid distribution box through the large vertical pipe, and finally the absorption liquid is sprayed out from each liquid distribution hole to form liquid jet flow to stir the absorption liquid in the washing absorption container; meanwhile, the first driving mechanism drives the large vertical pipe to drive the upper liquid distribution circular plate, the lower liquid distribution circular plate and the bottom cloth liquid tank to synchronously rotate circumferentially, so that the liquid jet flow rotates to thoroughly stir the absorption liquid, and meanwhile, the rotating stirring blades stir the absorption liquid;
s2.2) gas distribution: waste gas is led into the gas distribution unit through the gas inlet pipeline, the waste gas firstly enters the small vertical pipes and then is led into the vertical spiral gas distribution blades through the communicating pipes, finally, the waste gas is exposed from the gas distribution holes to form small waste gas bubbles with dense hemp, the small waste gas bubbles spirally rise along the vertical spiral gas distribution blades, and the small waste gas bubbles are contacted with an absorption liquid in the process to absorb pollutants in the waste gas; in the process of spirally rising the small waste gas bubbles, the vertical spiral gas distribution blades are subjected to the crushing or fusion action of the small waste gas and the flowing impact action of the absorption liquid to generate vertical elastic vibration, so that the small waste gas bubbles at the bottom of the vertical spiral gas distribution blades are extruded, and the small waste gas bubbles are deformed to be fully contacted with the absorption liquid; meanwhile, under the driving action of the first driving mechanism, the vertical spiral gas distribution blades rotate to convey the absorption liquid downwards, so that the flow blocking effect is realized on the spiral rising of the small waste gas bubbles, the rising stroke of the small waste gas bubbles and the contact time of the small waste gas bubbles and the absorption liquid are prolonged, and the absorption liquid can fully absorb pollutants in the waste gas;
s2.3) dehumidification: after being washed and absorbed, the waste gas passes through the annular liquid absorption filler to remove the absorption liquid mixed with the waste gas and then is discharged from the gas outlet pipeline; the electric push rod pushes the transverse liquid suction pipe to press down the annular liquid absorption filler to deform the annular liquid absorption filler so as to extrude the absorption liquid absorbed from the waste gas, the second driving mechanism, the annular electric slide rail and the water suction pump are synchronously started, the second driving mechanism drives the transverse liquid suction pipe to rotate in the circumferential direction so as to change the positions of liquid suction holes, the annular electric slide rail drives the transverse liquid suction pipe to rotate and roll at a fixed point and cover the whole annular liquid absorption filler, and the water suction pump sucks the extruded absorption liquid into the circular liquid collection box.
Has the advantages that: the invention discloses a purification treatment system and a purification treatment method for washing and absorbing acidic waste gas, which have the following beneficial effects:
1) according to the invention, through the arrangement of the gas-liquid common distribution composite unit, the liquid distribution technology aiming at the absorption liquid and the gas distribution technology aiming at the waste gas are combined, so that the absorption liquid and the waste gas are fully and thoroughly contacted, and the purpose of efficiently purifying and treating the waste gas is achieved;
2) according to the invention, through the arrangement of the gas dehumidification unit, absorption liquid mixed with the waste gas after washing and absorption can be absorbed and removed, so that the discharged gas is ensured to contain no absorption liquid, the gas detection is not influenced, and the environment is not polluted when the gas is discharged;
3) the purification treatment method disclosed by the invention is reasonable in layout, easy to operate and suitable for large-scale popularization and application.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a structural schematic diagram I of a gas-liquid co-distribution composite unit;
FIG. 3 is a schematic structural diagram II of a gas-liquid co-distribution composite unit;
FIG. 4 is a schematic view of a half-section of the lower portion of the washing vessel;
FIG. 5 is a partially enlarged view of the area A in FIG. 4;
FIG. 6 is a schematic diagram of the overall structure of the gas dehumidification unit;
fig. 7 is a schematic view of a half-section of the upper portion of the container closure.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, a purification treatment system for washing and absorbing acidic waste gas comprises an absorption liquid circulating tower 1, a washing and absorbing container 2, a container cover 3, an air inlet pipeline 4, an air outlet pipeline 5, a gas-liquid co-distribution composite unit 6 and a gas dehumidification unit 7.
The absorption liquid circulating tower 1 is provided with a liquid circulating pipeline 1.1 and a circulating pump 1.2 which are matched, and the absorption liquid circulating tower 1 and the circulating pump 1.2 are both positioned on the liquid circulating pipeline 1.1; the washing absorption container 2 and the container sealing cover 3 are matched with each other and are cylindrical in shape, and the container sealing cover 3 is arranged at the top of the washing absorption container 2; the gas-liquid co-distribution composite unit 6 is arranged in the washing and absorbing container 2, the liquid outlet end of the liquid circulation pipeline 1.1 is in butt joint with the liquid inlet end at the top of the gas-liquid co-distribution composite unit 6, and the liquid inlet end of the liquid circulation pipeline 1.1 is communicated with the inner bottom of the washing and absorbing container 2; the gas inlet pipeline 4 is in butt joint with a gas inlet end at the bottom of the gas-liquid co-distribution composite unit 6, the gas outlet pipeline 5 is communicated with the inner top of the container sealing cover 3, and the gas dehumidifying unit 7 is arranged in the container sealing cover 3; the gas-liquid distribution composite unit 6 is used for respectively executing liquid distribution and gas distribution actions on absorption liquid and waste gas introduced into the gas-liquid distribution composite unit in the absorption liquid in the washing absorption container 2, and combining a liquid distribution technology aiming at the absorption liquid with a gas distribution technology aiming at the waste gas, so that the absorption liquid is fully and thoroughly contacted with the waste gas, the purpose of efficiently purifying and treating the waste gas is achieved, the waste gas is washed and absorbed and then is exhausted from the gas outlet pipeline 5 after being dehumidified by the gas dehumidifying unit 7, the absorption liquid mixed with the waste gas after being washed and absorbed can be absorbed and removed, the exhausted gas is guaranteed to contain no absorption liquid, the gas detection cannot be influenced, and the environment cannot be polluted if the exhausted gas is discharged.
As shown in fig. 2, fig. 3, fig. 4 and fig. 5, the gas-liquid co-distribution composite unit 6 includes a liquid distribution unit 61 and a gas distribution unit 62, the absorption liquid in the absorption liquid circulation tower 1 is guided to the liquid distribution unit 61 for liquid distribution, and the exhaust gas is guided to the gas distribution unit 62 for gas distribution through the gas inlet pipe 4; wherein, the liquid distribution unit 61 comprises a large vertical pipe 61.1, an upper liquid distribution circular plate 61.2, a lower liquid distribution circular plate 61.3 and a bottom cloth liquid tank 61.4; the large vertical pipe 61.1 is matched with the container cover 3 in a rotating and sealing manner and is inserted into the washing and absorbing container 2, the top of the large vertical pipe 61.1 is in rotating butt joint with the liquid circulating pipeline 1.1 through a first rotating joint 1.10, and the large vertical pipe 61.1 is matched with a first driving mechanism 61.11 for driving the large vertical pipe to rotate circumferentially; the upper liquid distribution round plate 61.2 and the lower liquid distribution round plate 61.3 are fixedly arranged on the large vertical pipe 61.1 at a vertical interval, a liquid outlet 61.10 is formed in the large vertical pipe 61.1, and the large vertical pipe 61.1 is communicated with the upper liquid distribution round plate 61.2 and the lower liquid distribution round plate 61.3 through a liquid outlet 61.10; the upper liquid distribution round plate 61.2 and the lower liquid distribution round plate 61.3 are both provided with through holes 62.230 in a penetrating way, and the through holes 62.230 are not communicated with the upper liquid distribution round plate 61.2 and the lower liquid distribution round plate 61.3; the base cloth liquid tank 61.4 is communicated with the bottom end of the large vertical pipe 61.1, and stirring blades 61.41 are arranged on the periphery of the base cloth liquid tank 61.4; the upper cloth liquid circular plate 61.2, the lower cloth liquid circular plate 61.3 and the bottom cloth liquid tank 61.4 are all provided with cloth liquid holes 61.234, and the cloth liquid holes 61.234 are distributed on the lower surface of the upper cloth liquid circular plate 61.2, the upper surface of the lower cloth liquid circular plate 61.3 and the side surface of the bottom cloth liquid tank 61.4. The liquid jet ejected from the liquid distribution holes 61.234 impacts and stirs the absorption liquid on the one hand, and the liquid jet can rotate on the other hand, so that the high-efficiency and thorough jet impact stirring is realized.
The gas distribution unit 62 comprises a small vertical pipe 62.1, a communicating pipe 62.2, a vertical spiral gas distribution blade 62.3, an upper vertical supporting spring 62.4, a lower vertical supporting spring 62.5, a guide cross rod 62.6 and an elastic plugging sheet 62.7; the outer diameter of the small vertical pipe 62.1 is smaller than the inner diameter of the large vertical pipe 61.1, the small vertical pipe 62.1 penetrates through the base cloth liquid tank 61.4 in a rotary sealing mode and is concentrically inserted into the large vertical pipe 61.1 from the bottom end of the large vertical pipe 61.1, and the lower end of the small vertical pipe 62.1 is in rotary butt joint with the air inlet pipeline 4 through a second rotary joint 4.1; the vertical spiral gas distribution blade 62.3 is elastically and movably sleeved on the large vertical pipe 61.1 between the upper liquid distribution circular plate 61.2 and the lower liquid distribution circular plate 61.3 through an upper vertical supporting spring 62.4 and a lower vertical supporting spring 62.5, the vertical spiral gas distribution blade 62.3 is of a hollow structure, the small vertical pipe 62.1 is fixed and communicated with the vertical spiral gas distribution blade 62.3 through the communicating pipe 62.2 penetrating through the pipe wall opening on the large vertical pipe 61.1, and the periphery of the elastic plugging sheet 62.7 is hermetically connected with the pipe wall opening through the elastic plugging sheet 62.7; the top end of the small vertical pipe 62.1 is plugged, the guide cross rod 62.6 is arranged at the top end of the small vertical pipe 62.1, a vertical guide groove 61.12 is formed in the inner side of the large vertical pipe 61.1, and the rod end of the guide cross rod 62.6 extends into the vertical guide groove 61.12; air distribution holes 62.30 are densely distributed on the surface of the vertical spiral air distribution blade 62.3, the air distribution holes 62.30 are distributed on the lower half part of the vertical spiral air distribution blade 62.3, and the rotating and conveying direction of the vertical spiral air distribution blade 62.3 is downward. In the ascending process of the small waste gas bubbles along the vertical spiral gas distribution blades 62.3, the small waste gas bubbles have the rotating conveying flow blocking effect of the vertical spiral gas distribution blades 62.3 and the elastic vibration extrusion deformation effect of the vertical spiral gas distribution blades 62.3, so that the small waste gas bubbles are contacted with the absorption liquid more thoroughly and more sufficiently, and pollutants contained in the small waste gas bubbles are efficiently absorbed.
Preferably, the elastic blocking piece 62.7 is made of a material having elastic deformation and water-proof properties, such as an elastic rubber pad.
As shown in fig. 6 and 7, the gas dehumidification unit 7 comprises a circular liquid collection tank 7.0, a circular liquid absorption filler 7.1, an annular electric slide rail 7.2, an electric push rod 7.3, a mounting plate 7.4, a transverse liquid suction pipe 7.5, a third rotary joint 7.6, a second driving mechanism 7.7, a liquid guide pipe 7.8 and a water suction pump 7.9; a first hollow plate frame 3.1 is clamped between the container sealing cover 3 and the washing absorption container 2, and a second hollow plate frame 3.2 is arranged inside the container sealing cover 3; the round liquid collecting box 7.0 is fixedly sleeved on the large vertical pipe 61.1, and the top of the round liquid collecting box 7.0 is provided with a round box opening 7.01; the annular liquid absorption filler 7.1 is filled between the outer side of the circular liquid collecting box 7.0 and the inner side of the container sealing cover 3; the annular electric sliding rail 7.2 is arranged at the bottom of the second hollowed-out plate frame 3.2; the electric push rod 7.3 is vertically arranged on the annular electric slide rail 7.2 downwards; the mounting plate 7.4 is arranged at the push-pull end of the electric push rod 7.3; the transverse pipette 7.5 is arranged on the mounting plate 7.4 in a rotating fit manner, and the second driving mechanism 7.7 is arranged on the mounting plate 7.4 and is in driving connection with the transverse pipette 7.5; one end of the transverse pipette 7.5 is open, the other end of the transverse pipette is blocked, and pipette holes 7.50 are uniformly distributed on the peripheral side; the open end of the transverse pipette 7.5 is in rotary butt joint with a liquid guide pipe 7.8 through a third rotary joint 7.6, and the liquid outlet end of the liquid guide pipe 7.8 is kept corresponding to the round box opening 7.01; the water suction pump 7.9 is arranged on the liquid guide pipe 7.8; the electric push rod 7.3 pushes the transverse liquid suction pipe 7.5 to press down the annular liquid absorption filler 7.1 to extrude the absorbed absorption liquid, the second driving mechanism 7.7 drives the transverse liquid suction pipe 7.5 to rotate circumferentially to change the position of the liquid suction hole 7.50, the annular electric slide rail 7.2 drives the transverse liquid suction pipe 7.5 to rotate and roll at a fixed point and cover the whole annular liquid absorption filler 7.1, and the water suction pump 7.9 pumps the extruded absorption liquid into the circular liquid collection tank 7.0. The annular liquid absorption filler 7.1 can absorb absorption liquid included in the gas and can simultaneously perform pumping transfer of the absorbed absorption liquid, so that the gas dehumidification unit 7 has the advantages of full-time and efficient dehumidification operation.
More specifically, in order to ensure that the liquid outlet end of the liquid guide tube 7.8 and the circular box opening 7.01 are always in a corresponding state, the gas dehumidification unit 7 further comprises an annular slide rail 71 and a vertical telescopic rod 72; the annular slide rail 71 is arranged at the top of the circular liquid collecting box 7.0, and the annular slide rail 71 and the annular electric slide rail 7.2 are arranged on the same central axis; the vertical telescopic rod 72 is installed on the annular sliding rail 71, the upper end of the vertical telescopic rod 72 is connected with the liquid guide tube 7.8 or the water suction pump 7.9, and the vertical telescopic rod 72 is formed by sequentially sleeving a plurality of sections of sleeves.
Preferably, the liquid-absorbing filling 7.2 consists of a material having deformation-restoring and absorbing properties, such as a sponge or the like.
More specifically, the first drive mechanism 61.11 and the second drive mechanism 7.7 are both motor-driven gear drive mechanisms.
A purification treatment method of a purification treatment system for washing and absorbing acidic waste gas comprises the following specific steps:
step S1: pre-storing absorption liquid into the washing absorption container 2 through a circulating pump 1.2, wherein the liquid level of the absorption liquid is higher than a liquid distribution circular plate 61.2;
step S2: including cloth liquid, cloth gas, the three operating mode of dehumidification, wherein, cloth liquid and cloth gas go on in step, and the dehumidification is gone on later, specifically as follows:
s2.1) liquid distribution: circularly pumping the absorption liquid in the absorption liquid circulating tower 1 into a liquid distribution unit 61 through a circulating pump 1.2, and starting a first driving mechanism 61.11; the absorption liquid firstly enters the large vertical pipe 61.1 and is distributed to the upper cloth liquid round plate 61.2, the lower cloth liquid round plate 61.3 and the bottom cloth liquid box 61.4 through the large vertical pipe 61.1, and finally the absorption liquid is sprayed out from each cloth liquid hole 61.234 to form liquid jet flow to stir the absorption liquid in the washing absorption container 2; meanwhile, the first driving mechanism 61.11 drives the large vertical pipe 61.1 to drive the upper liquid distribution circular plate 61.2, the lower liquid distribution circular plate 61.3 and the bottom liquid tank 61.4 to synchronously rotate circumferentially, so that the liquid jet rotates to thoroughly stir the absorption liquid, and meanwhile, the rotating stirring blades 61.41 stir the absorption liquid;
s2.2) gas distribution: waste gas is led into the gas distribution unit 62 through the gas inlet pipeline 4, the waste gas firstly enters the small vertical pipe 62.1 and then is led into the vertical spiral gas distribution blade 62.3 through each communicating pipe 62.2, finally, the waste gas is exposed from each gas distribution hole 62.30 to form small dense hemp waste gas bubbles, the small waste gas bubbles spirally rise along the vertical spiral gas distribution blade 62.3, and the small waste gas bubbles are contacted with absorption liquid in the process to absorb pollutants in the waste gas; in the process of spirally rising the small waste gas bubbles, the vertical spiral gas distribution blades 62.3 can generate vertical elastic vibration under the crushing or fusion action of the small waste gas and the flowing impact action of the absorption liquid, so as to extrude the small waste gas bubbles at the bottom of the vertical spiral gas distribution blades, and the small waste gas bubbles are deformed to be fully contacted with the absorption liquid; meanwhile, under the driving action of the first driving mechanism 61.11, the vertical spiral gas distribution blades 62.3 rotate to convey the absorption liquid downwards, so that a flow blocking effect is achieved on the spiral rising of the small waste gas bubbles, the rising stroke of the small waste gas bubbles and the contact time of the small waste gas bubbles and the absorption liquid are prolonged, and the absorption liquid can fully absorb pollutants in the waste gas;
s2.3) dehumidification: after being washed and absorbed, the waste gas passes through the annular liquid absorption filler 7.1 to remove the included absorption liquid and then is discharged from the gas outlet pipeline 5; the transverse liquid suction pipe 7.5 is pushed by the electric push rod 7.3 to press down the annular liquid absorption filler 7.1 to deform the annular liquid absorption filler so as to extrude absorption liquid absorbed from waste gas, the second driving mechanism 7.7, the annular electric slide rail 7.2 and the water suction pump 7.9 are synchronously started, the second driving mechanism 7.7 drives the transverse liquid suction pipe 7.5 to rotate circumferentially to change the positions of the liquid suction holes 7.50, the annular electric slide rail 7.2 drives the transverse liquid suction pipe 7.5 to rotate and roll at a fixed point and cover the whole annular liquid absorption filler 7.1, and the water suction pump 7.9 sucks the extruded absorption liquid into the circular liquid collection tank 7.0.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.

Claims (8)

1. A purification treatment system for washing and absorbing acidic waste gas is characterized in that: comprises an absorption liquid circulating tower (1), a washing absorption container (2), a container sealing cover (3), an air inlet pipeline (4), an air outlet pipeline (5), a gas-liquid co-distribution composite unit (6) and a gas dehumidification unit (7);
the absorption liquid circulating tower (1) is provided with a liquid circulating pipeline (1.1) and a circulating pump (1.2) which are matched, and the absorption liquid circulating tower (1) and the circulating pump (1.2) are both positioned on the liquid circulating pipeline (1.1); the washing absorption container (2) and the container sealing cover (3) are mutually matched and are cylindrical in shape, and the container sealing cover (3) is arranged at the top of the washing absorption container (2); the gas-liquid co-distribution composite unit (6) is arranged in the washing and absorbing container (2), the liquid outlet end of the liquid circulation pipeline (1.1) is in butt joint with the liquid inlet end at the top of the gas-liquid co-distribution composite unit (6), and the liquid inlet end of the liquid circulation pipeline (1.1) is communicated with the inner bottom of the washing and absorbing container (2); the gas inlet pipeline (4) is in butt joint with a gas inlet end at the bottom of the gas-liquid co-distribution composite unit (6), the gas outlet pipeline (5) is communicated with the inner top of the container sealing cover (3), and the gas dehumidifying unit (7) is arranged in the container sealing cover (3);
the gas-liquid co-distribution composite unit (6) respectively performs liquid distribution and gas distribution actions on the absorption liquid introduced into the gas-liquid co-distribution composite unit in the absorption liquid in the washing absorption container (2), and the waste gas is discharged from the gas outlet pipeline (5) after being washed and absorbed and performing dehumidification actions through the gas dehumidification unit (7).
2. The system for cleaning and treating acidic waste gas by washing and absorbing according to claim 1, wherein: the gas-liquid co-distribution composite unit (6) comprises a liquid distribution unit (61) and a gas distribution unit (62), absorption liquid in the absorption liquid circulating tower (1) is guided to the liquid distribution unit (61) for liquid distribution, and waste gas is guided to the gas distribution unit (62) through a gas inlet pipeline (4) for gas distribution; wherein the content of the first and second substances,
the liquid distribution unit (61) comprises a large vertical pipe (61.1), an upper liquid distribution circular plate (61.2), a lower liquid distribution circular plate (61.3) and a bottom liquid distribution box (61.4); the large vertical pipe (61.1) is matched with the container sealing cover (3) in a rotating and sealing manner and is inserted into the washing and absorbing container (2), the top of the large vertical pipe (61.1) is in rotating butt joint with the liquid circulation pipeline (1.1) through a first rotating joint (1.10), and the large vertical pipe (61.1) is matched with a first driving mechanism (61.11) for driving the large vertical pipe to rotate circumferentially; the upper liquid distribution round plate (61.2) and the lower liquid distribution round plate (61.3) are fixedly arranged on a large vertical pipe (61.1) at a vertical interval, a liquid outlet hole (61.10) is formed in the large vertical pipe (61.1), and the large vertical pipe (61.1) is communicated with the upper liquid distribution round plate (61.2) and the lower liquid distribution round plate (61.3) through a liquid outlet hole (61.10); through holes (62.230) are formed in the upper liquid distribution round plate (61.2) and the lower liquid distribution round plate (61.3) in a penetrating mode, and the through holes (62.230) are not communicated with the upper liquid distribution round plate (61.2) and the lower liquid distribution round plate (61.3); the bottom cloth liquid tank (61.4) is communicated with the bottom end of the large vertical pipe (61.1), and stirring blades (61.41) are arranged on the outer peripheral side of the bottom cloth liquid tank (61.4); the upper cloth liquid round plate (61.2), the lower cloth liquid round plate (61.3) and the bottom cloth liquid box (61.4) are all provided with cloth liquid holes (61.234), and the cloth liquid holes (61.234) are distributed on the lower surface of the upper cloth liquid round plate (61.2), the upper surface of the lower cloth liquid round plate (61.3) and the side surface of the bottom cloth liquid box (61.4);
the gas distribution unit (62) comprises a small vertical pipe (62.1), a communicating pipe (62.2), a vertical spiral gas distribution blade (62.3), an upper vertical supporting spring (62.4), a lower vertical supporting spring (62.5), a guide cross rod (62.6) and an elastic plugging sheet (62.7); the outer diameter of the small vertical pipe (62.1) is smaller than the inner diameter of the large vertical pipe (61.1), the small vertical pipe (62.1) penetrates through the base fabric liquid tank (61.4) in a rotary sealing mode and is concentrically inserted into the large vertical pipe (61.1) from the bottom end of the large vertical pipe (61.1), and the lower end of the small vertical pipe (62.1) is in rotary butt joint with the air inlet pipeline (4) through a second rotary joint (4.1); the vertical spiral gas distribution blade (62.3) is elastically and movably sleeved on the large vertical pipe (61.1) between the upper liquid distribution circular plate (61.2) and the lower liquid distribution circular plate (61.3) through an upper vertical supporting spring (62.4) and a lower vertical supporting spring (62.5), the vertical spiral gas distribution blade (62.3) is of a hollow structure, the small vertical pipe (62.1) is fixed and communicated with the vertical spiral gas distribution blade (62.3) through the communicating pipe (62.2) penetrating through a pipe wall opening on the large vertical pipe (61.1), and the periphery of the elastic plugging sheet (62.7) is in sealing connection with the pipe wall opening through the elastic plugging sheet (62.7); the top end of the small vertical pipe (62.1) is plugged, the guide cross rod (62.6) is arranged at the top end of the small vertical pipe (62.1), a vertical guide groove (61.12) is formed in the inner side of the large vertical pipe (61.1), and the rod end of the guide cross rod (62.6) extends into the vertical guide groove (61.12); the surface of the vertical spiral air distribution blade (62.3) is densely distributed with air distribution holes (62.30), the air distribution holes (62.30) are distributed on the lower half part of the vertical spiral air distribution blade (62.3), and the rotating and conveying direction of the vertical spiral air distribution blade (62.3) is downward.
3. The system for cleaning and treating acidic waste gas by washing and absorbing according to claim 2, wherein: the elastic closure flap (62.7) is made of a material having elastic deformation and water-impermeable properties.
4. The system for cleaning and treating acidic waste gas by washing and absorbing according to claim 2, wherein: the gas dehumidification unit (7) comprises a circular liquid collection box (7.0), a circular liquid absorption filler (7.1), an annular electric sliding rail (7.2), an electric push rod (7.3), a mounting plate (7.4), a transverse liquid suction pipe (7.5), a third rotary joint (7.6), a second driving mechanism (7.7), a liquid guide pipe (7.8) and a water suction pump (7.9); a first hollow plate frame (3.1) is clamped between the container sealing cover (3) and the washing absorption container (2), and a second hollow plate frame (3.2) is arranged in the container sealing cover (3); the round liquid collecting box (7.0) is fixedly sleeved on the large vertical pipe (61.1), and the top of the round liquid collecting box (7.0) is provided with a round box opening (7.01); the annular liquid absorption filler (7.1) is filled between the outer side of the circular liquid collecting box (7.0) and the inner side of the container sealing cover (3); the annular electric sliding rail (7.2) is arranged at the bottom of the second hollowed-out plate frame (3.2); the electric push rod (7.3) is vertically arranged on the annular electric slide rail (7.2) downwards; the mounting plate (7.4) is arranged at the push-pull end of the electric push rod (7.3); the transverse pipette (7.5) is arranged on the mounting plate (7.4) in a rotating fit manner, and the second driving mechanism (7.7) is arranged on the mounting plate (7.4) and is in driving connection with the transverse pipette (7.5); one end of the transverse pipette (7.5) is open, the other end of the transverse pipette is blocked, and pipette holes (7.50) are uniformly distributed on the periphery side; the open end of the transverse pipette (7.5) is in rotary butt joint with a liquid guide pipe (7.8) through a third rotary joint (7.6), and the liquid outlet end of the liquid guide pipe (7.8) corresponds to the round box opening (7.01); the water suction pump (7.9) is arranged on the liquid guide pipe (7.8);
the electric push rod (7.3) pushes the transverse liquid suction pipe (7.5) to press down the circular liquid absorption filler (7.1) to extrude absorbed absorption liquid, the second driving mechanism (7.7) drives the transverse liquid suction pipe (7.5) to rotate circumferentially to change the position of the liquid suction hole (7.50), the annular electric slide rail (7.2) drives the transverse liquid suction pipe (7.5) to rotate and roll at a fixed point and cover the whole circular liquid absorption filler (7.1), and the water suction pump (7.9) pumps the extruded absorption liquid into the circular liquid collection box (7.0).
5. The system for cleaning and treating acidic waste gas by washing and absorbing according to claim 4, wherein: the gas dehumidification unit (7) further comprises an annular slide rail (71) and a vertical telescopic rod (72); the annular sliding rail (71) is arranged at the top of the circular liquid collecting box (7.0), and the annular sliding rail (71) and the annular electric sliding rail (7.2) are arranged on the same central axis; the vertical telescopic rod (72) is installed on the annular sliding rail (71), the upper end of the vertical telescopic rod (72) is connected with the liquid guide pipe (7.8) or the water suction pump (7.9), and the vertical telescopic rod (72) is formed by sequentially sleeving a plurality of sections of sleeves.
6. The system for cleaning and treating acidic waste gas by washing and absorbing according to claim 4, wherein: the liquid-absorbing filler (7.2) is made of a material having deformation recovery and absorption properties.
7. The system for cleaning and treating acidic waste gas by washing and absorbing according to claim 4, 5 or 6, characterized in that: the first driving mechanism (61.11) and the second driving mechanism (7.7) are both gear transmission driving mechanisms driven by a motor.
8. The purification treatment method for washing and absorbing the purification treatment system of acidic exhaust gas according to claim 5, wherein: the method comprises the following specific steps:
step S1: pre-storing absorption liquid into the washing absorption container (2) through a circulating pump (1.2), wherein the liquid level of the absorption liquid is higher than a liquid distribution circular plate (61.2);
step S2: including cloth liquid, cloth gas, the three operating mode of dehumidification, wherein, cloth liquid and cloth gas go on in step, and the dehumidification is gone on later, specifically as follows:
s2.1) liquid distribution: circularly pumping the absorption liquid in the absorption liquid circulating tower (1) into a liquid distribution unit (61) through a circulating pump (1.2), and starting a first driving mechanism (61.11); the absorption liquid firstly enters a large vertical pipe (61.1), and is distributed to an upper cloth liquid round plate (61.2), a lower cloth liquid round plate (61.3) and a bottom cloth liquid box (61.4) through the large vertical pipe (61.1), and finally the absorption liquid is sprayed out from each cloth liquid hole (61.234) to form liquid jet flow to stir the absorption liquid in the washing absorption container (2); meanwhile, the first driving mechanism (61.11) drives the large vertical pipe (61.1) to drive the upper liquid distribution circular plate (61.2), the lower liquid distribution circular plate (61.3) and the bottom cloth liquid tank (61.4) to synchronously rotate circumferentially, so that the liquid jet flow rotates to thoroughly stir the absorption liquid, and meanwhile, the rotating stirring blades (61.41) stir the absorption liquid;
s2.2) gas distribution: waste gas is led into the gas distribution unit (62) through the gas inlet pipeline (4), the waste gas firstly enters the small vertical pipe (62.1) and then is led into the vertical spiral gas distribution blade (62.3) through each communicating pipe (62.2), finally, the waste gas is exposed from each gas distribution hole (62.30) to form small dense and hemp waste gas bubbles, the small waste gas bubbles spirally rise along the vertical spiral gas distribution blade (62.3), and the small waste gas bubbles are contacted with absorption liquid in the process to absorb pollutants in the waste gas; in the process of spirally rising the small waste gas bubbles, the vertical spiral gas distribution blades (62.3) can generate vertical elastic vibration under the crushing or fusion action of the small waste gas and the flowing impact action of the absorption liquid, so that the small waste gas bubbles at the bottoms of the vertical spiral gas distribution blades are extruded, and the small waste gas bubbles are deformed to fully contact the absorption liquid; meanwhile, under the driving action of the first driving mechanism (61.11), the vertical spiral gas distribution blades (62.3) rotate to convey the absorption liquid downwards, so that the flow blocking effect is achieved on the spiral rising of the small waste gas bubbles, the rising stroke of the small waste gas bubbles and the contact time of the small waste gas bubbles and the absorption liquid are prolonged, and the absorption liquid can fully absorb pollutants in the waste gas;
s2.3) dehumidification: the waste gas is washed and absorbed, then the absorption liquid mixed with the waste gas is removed through a circular liquid absorption filler (7.1), and then the waste gas is discharged from an air outlet pipeline (5); the horizontal pipette (7.5) is pushed by the electric push rod (7.3) to press down the circular liquid absorption filler (7.1) to deform the circular liquid absorption filler to extrude absorption liquid absorbed from waste gas, the second driving mechanism (7.7), the annular electric slide rail (7.2) and the water suction pump (7.9) are synchronously started, the second driving mechanism (7.7) drives the horizontal pipette (7.5) to rotate circumferentially to change the positions of the liquid suction holes (7.50), the annular electric slide rail (7.2) drives the horizontal pipette (7.5) to rotate and roll at fixed points and cover the whole circular liquid absorption filler (7.1), and the water suction pump (7.9) pumps the extruded absorption liquid into the circular liquid collection tank (7.0).
CN202011427430.3A 2020-12-07 2020-12-07 Purification treatment system and purification treatment method for washing and absorbing acidic waste gas Withdrawn CN112569751A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113350999A (en) * 2021-06-18 2021-09-07 洪江市盛翔牧业有限责任公司 Method for treating waste gas generated in beef tallow processing
CN113440997A (en) * 2021-08-06 2021-09-28 李勇 High-efficiency energy-saving industrial smoke purifying process
CN114849454A (en) * 2022-06-28 2022-08-05 华能平凉发电有限责任公司 Waste gas treatment transmission device for acid mist absorber
CN117101371A (en) * 2023-10-11 2023-11-24 江苏日升电力机械有限公司 Waste gas purifying equipment of power plant

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113350999A (en) * 2021-06-18 2021-09-07 洪江市盛翔牧业有限责任公司 Method for treating waste gas generated in beef tallow processing
CN113440997A (en) * 2021-08-06 2021-09-28 李勇 High-efficiency energy-saving industrial smoke purifying process
CN114849454A (en) * 2022-06-28 2022-08-05 华能平凉发电有限责任公司 Waste gas treatment transmission device for acid mist absorber
CN117101371A (en) * 2023-10-11 2023-11-24 江苏日升电力机械有限公司 Waste gas purifying equipment of power plant
CN117101371B (en) * 2023-10-11 2024-05-03 江苏日升电力机械有限公司 Waste gas purifying equipment of power plant

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Application publication date: 20210330