CN112619376A - Gas-liquid mixed jet washing type waste gas purification treatment system and purification treatment method - Google Patents
Gas-liquid mixed jet washing type waste gas purification treatment system and purification treatment method Download PDFInfo
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- CN112619376A CN112619376A CN202011441127.9A CN202011441127A CN112619376A CN 112619376 A CN112619376 A CN 112619376A CN 202011441127 A CN202011441127 A CN 202011441127A CN 112619376 A CN112619376 A CN 112619376A
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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
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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
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- 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
- B01F23/21—Mixing gases with liquids by introducing liquids into gaseous media
- B01F23/213—Mixing gases with liquids by introducing liquids into gaseous media by spraying or atomising of the liquids
- B01F23/2131—Mixing gases with liquids by introducing liquids into gaseous media by spraying or atomising of the liquids using rotating elements, e.g. rolls or brushes
- B01F23/21311—Mixing gases with liquids by introducing liquids into gaseous media by spraying or atomising of the liquids using rotating elements, e.g. rolls or brushes for spraying the liquid radially by centrifugal force
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- 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
- B01F23/21—Mixing gases with liquids by introducing liquids into gaseous media
- B01F23/213—Mixing gases with liquids by introducing liquids into gaseous media by spraying or atomising of the liquids
- B01F23/2132—Mixing gases with liquids by introducing liquids into gaseous media by spraying or atomising of the liquids using nozzles
- B01F23/21321—High pressure atomization, i.e. the liquid is atomized and sprayed by a jet at high pressure
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- 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
- B01F25/28—Jet mixers, i.e. mixers using high-speed fluid streams characterised by the specific design of the jet injector
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/70—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming
- B01F33/71—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming working at super-atmospheric pressure, e.g. in pressurised vessels
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- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention discloses a gas-liquid mixed jet washing type waste gas purification treatment system and a purification treatment method, wherein the gas-liquid mixed jet washing type waste gas purification treatment system comprises an absorption liquid circulating tower, a washing purification container, a first liquid inlet pipe, a second liquid inlet pipe, a gas inlet pipe, a jet spherical shell, a self-rotating gas-liquid uniform distributor, a hollow liquid spraying ring and a liquid impact shell; the jet flow spherical shell is positioned in the center of the washing and purifying container, the self-rotating gas-liquid distributor is positioned in the center of the interior of the jet flow spherical shell, the hollow liquid spraying ring and the jet flow spherical shell are concentrically arranged, the two liquid impact shells are symmetrically arranged on two sides of the hollow liquid spraying ring in an opening opposite posture, and the jet flow spherical shell is positioned between the two liquid impact shells. The gas-liquid mixed jet washing type waste gas purification treatment system and the purification treatment method provided by the invention can fully mix and contact the absorption liquid and the waste gas, thereby achieving the purpose of efficiently purifying and treating the waste gas.
Description
Technical Field
The invention belongs to the technical field of waste gas purification treatment, and particularly relates to a gas-liquid mixed jet washing type waste gas purification treatment system and a purification treatment method.
Background
The existing equipment for wet purification treatment of waste gas has the following defects:
firstly, the absorption liquid is contacted with the waste gas in a spraying mode, and the impact contact force of the absorption liquid and the waste gas is small, so that the mixed contact is insufficient;
and secondly, the times and coverage range of the absorption liquid for contacting and covering the waste gas are effective, the waste gas needs to be circularly led into the purification equipment for multiple times of washing and absorption, and the purification treatment efficiency is low.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the gas-liquid mixed jet washing type waste gas purification treatment system and the purification treatment method provided by the invention can fully mix and contact the absorption liquid and the waste gas, so that the aim of efficiently purifying and treating the waste gas is fulfilled.
The technical scheme is as follows: in order to achieve the purpose, the gas-liquid mixing jet washing type waste gas purification treatment system comprises an absorption liquid circulating tower, a washing purification container, a first liquid inlet pipe, a second liquid inlet pipe and a gas inlet pipe; the first liquid inlet pipe and the second liquid inlet pipe are both connected with the absorption liquid circulating tower, the liquid outlet ends of the first liquid inlet pipe and the second liquid inlet pipe extend into the washing and purifying container, the gas outlet end of the gas inlet pipe extends into the washing and purifying container, the liquid outlet pipe connected with the absorption liquid circulating tower is arranged at the inner bottom of the washing and purifying container, and the gas outlet pipe is connected to the inner top of the washing and purifying container;
the device also comprises a jet flow spherical shell, a spinning gas-liquid uniform distributor, a hollow liquid spraying ring and a liquid impact shell which are arranged in the washing and purifying container; the jet flow spherical shell is positioned at the center of the washing and purifying container, the self-rotating gas-liquid distributor is positioned at the center of the interior of the jet flow spherical shell, the hollow liquid spraying rings are sleeved outside the jet flow spherical shell at intervals in a vertical posture, the hollow liquid spraying rings and the jet flow spherical shell are concentrically arranged, the number of the liquid impact shells is two, the two liquid impact shells are symmetrically arranged at two sides of the hollow liquid spraying rings in an opening opposite posture, and the jet flow spherical shell is positioned between the two liquid impact shells;
the first liquid inlet pipe and the air inlet pipe are arranged in the same central axis, the first liquid inlet pipe transversely penetrates through the side surface of the washing and purifying container and extends into the jet flow spherical shell to enable the liquid outlet end of the first liquid inlet pipe to be in butt joint with the liquid inlet of the self-rotating gas-liquid distributor, and the air inlet pipe transversely penetrates through the other side surface of the washing and purifying container and extends into the jet flow spherical shell to enable the air outlet end of the air inlet pipe to be in butt joint with the air inlet of the; the absorption liquid in the absorption liquid circulating tower is led into the self-spinning gas-liquid uniform distributor through the first liquid inlet pipe, the waste gas is led into the self-spinning gas-liquid uniform distributor through the gas inlet pipe, and the self-spinning gas-liquid uniform distributor uniformly distributes the absorption liquid and the waste gas in the jet flow spherical shell and mixes the absorption liquid and the waste gas;
the jet holes are uniformly and densely distributed on the surface of the jet spherical shell, and the absorption liquid and the waste gas in the jet spherical shell are sprayed out from the jet holes together to form gas-liquid mixed jet;
the two liquid impact shells have the same structure and are fixedly connected to the first liquid inlet pipe and the air inlet pipe respectively, the liquid impact shells bend and extend outwards in a circular arc shape from the outer side surface of the first liquid inlet pipe or the outer side surface of the air inlet pipe, and the bending direction of the liquid impact shells faces the jet flow spherical shell; the liquid outlet end of the second liquid inlet pipe is communicated with the hollow liquid spraying ring, and the absorption liquid in the absorption liquid circulating tower is guided into the hollow liquid spraying ring through the second liquid inlet pipe; the hollow liquid spraying ring is provided with a plurality of direct current spray heads in a circumferential array distribution, the direct current spray heads are divided into a part which is positioned in the inner ring of the hollow liquid spraying ring and has the spraying direction facing the surface of the jet flow spherical shell and a part which is positioned on the side surface of the hollow liquid spraying ring and has the spraying direction facing the inner side of the opening end of the liquid impact shell, an absorption liquid column sprayed on the surface of the jet flow spherical shell is diffused along the surface of the jet flow spherical shell, and an absorption liquid column sprayed on the inner side of the opening end of the liquid impact shell is diffused along the inner arc surface.
Further, install on the first feed liquor pipe and carry out the first liquid supercharging device that the pressure boost to the absorption liquid of water conservancy diversion in it, install on the second feed liquor pipe and carry out the second liquid supercharging device that the pressure boost to the absorption liquid of water conservancy diversion in it, install the gas supercharging device that carries out the pressure boost to the waste gas of water conservancy diversion in it in the intake pipe.
Furthermore, the self-rotating gas-liquid distributor comprises a hollow gas-liquid distribution circular plate, a liquid inlet rotary joint, a gas inlet rotary joint, a waterproof motor, a gear and an outer gear ring; the liquid inlet and the air inlet are coaxially and symmetrically communicated with the outer annular side of the hollow gas-liquid uniform distribution circular plate, the liquid inlet is in butt joint with a first liquid inlet pipe through a liquid inlet rotary joint, and the air inlet is in butt joint with an air inlet pipe through an air inlet rotary joint; the outer annular side of the hollow gas-liquid uniform distribution circular plate is also provided with a plurality of uniformly distributed liquid outlets, and the outer annular side of the hollow gas-liquid uniform distribution circular plate is provided with stirring blades; the waterproof motor is installed on the first liquid inlet pipe through a motor connecting portion, the outer gear ring is sleeved on the liquid inlet, and the gear is installed on the waterproof motor and meshed with the outer gear ring.
Furthermore, the area of the jet flow spherical shell surrounded by the hollow liquid spraying ring is a solid impact area, the jet holes are distributed outside the solid impact area, and an absorption liquid column sprayed out from the direct current spray head positioned at the inner ring of the hollow liquid spraying ring is sprayed to the solid impact area.
Furthermore, the inner side surface of the liquid impact shell is integrally connected with a plurality of annular inclined plates, and the annular inclined plates are sequentially arranged from the opening end of the liquid impact shell to the center line of the liquid impact shell at intervals.
Furthermore, the air inlet end cover of the air inlet pipe is provided with a metal dustproof filter screen.
Furthermore, the outer ring surface of the hollow liquid spraying ring is provided with at least one matched liquid spraying ring connecting part, and the hollow liquid spraying ring is connected and installed with the inner device wall of the washing and purifying container through the hollow liquid spraying ring connecting part.
The purification treatment method of the gas-liquid mixed jet washing type waste gas purification treatment system comprises the following specific steps:
step S1: the absorption liquid in the absorption liquid circulating tower is guided into the hollow gas-liquid uniform distribution circular plate through the first liquid inlet pipe and is pressurized through the first liquid pressurizing device arranged on the first liquid inlet pipe; meanwhile, the waste gas is led into the hollow gas-liquid uniform distribution circular plate through the gas inlet pipe and is pressurized through a gas pressurizing device arranged on the gas inlet pipe; meanwhile, the absorption liquid in the absorption liquid circulating tower is guided into the hollow liquid spraying ring through a second liquid inlet pipe and is pressurized through a second liquid pressurizing device arranged on the second liquid inlet pipe;
step S2: starting a waterproof motor, driving a hollow gas-liquid uniform distribution circular plate to rotate through tooth transmission, enabling absorption liquid and waste gas in the hollow gas-liquid uniform distribution circular plate to be exposed into a jet flow spherical shell from a liquid outlet under the dual effects of centrifugal force and high-pressure environment in the hollow gas-liquid uniform distribution circular plate, and meanwhile stirring the absorption liquid and the waste gas in the jet flow spherical shell by using stirring blades synchronously rotating along with the hollow gas-liquid uniform distribution circular plate to uniformly mix the absorption liquid and the waste gas, and enabling the absorption liquid to absorb pollutants in the waste gas;
step S3: the existence of the absorption liquid and the waste gas enables the interior of the jet flow spherical shell to be in a high-pressure environment, so that the absorption liquid and the waste gas are sprayed out from each jet hole together to form gas-liquid mixed jet flow;
meanwhile, the absorption liquid in the hollow liquid spraying ring is sprayed out from each direct current spray head to form an absorption liquid column, wherein,
the solid impact area of the jet flow spherical shell is impacted by the absorption liquid column ejected from the direct current nozzle positioned at the inner ring of the hollow liquid spraying ring and is diffused along the surface of the jet flow spherical shell;
when the absorption liquid meets the annular inclined plate on the inner side surface of the liquid impact shell in the diffusion process, the absorption liquid is lifted from the annular inclined plate, so that a part of the absorption liquid is splashed on the surface of the jet flow spherical shell, and the other part of the absorption liquid is continuously diffused along the inner arc surface of the liquid impact shell;
the absorption liquid is fully mixed with the waste gas, so that the waste gas is fully and thoroughly washed by the absorption liquid, and the aim of purifying the waste gas is fulfilled;
step S4: the waste gas is discharged from the gas outlet pipe after being purified, and the absorption liquid at the bottom in the washing and purifying container is discharged through the liquid outlet pipe and flows back to the absorption liquid circulating tower.
Has the advantages that: the gas-liquid mixing jet washing type waste gas purification treatment system and the purification treatment method have the beneficial effects that:
1) the purification treatment system of the invention enables the absorption liquid to be fully mixed with the waste gas, thereby realizing full and thorough washing of the waste gas by the absorption liquid and achieving the purpose of purification treatment of the waste gas;
2) the purification treatment method disclosed by the invention is reasonable in layout, controllable in operation, 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 schematic diagram of a half-section structure of a washing and purifying vessel;
FIG. 3 is a schematic structural decomposition diagram of a jet spherical shell, a spinning gas-liquid uniform distributor, a hollow liquid-spraying ring and a liquid impact shell;
FIG. 4 is a schematic structural view of a jet flow spherical shell cut and a hollow liquid spraying ring.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in the attached figure 1, the gas-liquid mixing jet washing type waste gas purification treatment system comprises an absorption liquid circulating tower 1, a washing and purification container 2, a first liquid inlet pipe 3, a second liquid inlet pipe 4 and an air inlet pipe 5; the first liquid inlet pipe 3 and the second liquid inlet pipe 4 are connected with the absorption liquid circulating tower 1, liquid outlet ends of the first liquid inlet pipe 3 and the second liquid inlet pipe 4 extend into the washing and purifying container 2, an air outlet end of the air inlet pipe 5 extends into the washing and purifying container 2, the bottom of the washing and purifying container 2 in conduction is provided with a liquid outlet pipe 2.1 connected with the absorption liquid circulating tower 1, and the top of the washing and purifying container 2 in conduction is connected with an air outlet pipe 2.2.
The device also comprises a jet flow spherical shell 6, a spinning gas-liquid uniform distributor 7, a hollow liquid spraying ring 8 and a liquid impact shell 9 which are arranged in the washing and purifying container 2; the jet flow spherical shell 6 is located the center of washing purifying container 2, spin gas-liquid uniform distributor 7 is located the inside center of jet flow spherical shell 6, the outside of jet flow spherical shell 6 is located to vertical gesture interval cover to hollow hydrojet ring 8, and hollow hydrojet ring 8 sets up with jet flow spherical shell 6 is concentric, liquid strikes the shell 9 and is two the liquid strikes shell 9 and is the relative gesture symmetry of opening and sets up in hollow hydrojet ring 8 both sides, jet flow spherical shell 6 is located between two liquid impact shells 9.
The first liquid inlet pipe 3 and the gas inlet pipe 5 are arranged on the same central axis, the first liquid inlet pipe 3 transversely penetrates through the side surface of the washing and purifying container 2 and extends into the jet flow spherical shell 6 to enable the liquid outlet end of the first liquid inlet pipe to be in butt joint with the liquid inlet 7a of the self-rotating gas-liquid distributor 7, and the gas inlet pipe 5 transversely penetrates through the other side surface of the washing and purifying container 2 and extends into the jet flow spherical shell 6 to enable the gas outlet end of the gas inlet pipe to be in butt joint with the gas inlet 7b of the self; absorption liquid in the absorption liquid circulation tower 1 is guided into the self-rotating gas-liquid uniform distributor 7 through the first liquid inlet pipe 3, waste gas is guided into the self-rotating gas-liquid uniform distributor 7 through the gas inlet pipe 5, and the self-rotating gas-liquid uniform distributor 7 uniformly distributes the absorption liquid and the waste gas into the jet flow spherical shell 6 and mixes the absorption liquid and the waste gas. The jet holes 60 are uniformly and densely distributed on the surface of the jet spherical shell 6, and the absorption liquid and the waste gas in the jet spherical shell 6 are sprayed out from the jet holes 60 together to form gas-liquid mixed jet. The two liquid impact shells 9 have the same structure and are respectively fixedly connected to the first liquid inlet pipe 3 and the air inlet pipe 5, the liquid impact shells 9 are bent and extended outwards in a circular arc shape from the outer side surface of the first liquid inlet pipe 3 or the outer side surface of the air inlet pipe 5, and the bending direction of the liquid impact shells 9 faces the jet flow spherical shell 6; the liquid outlet end of the second liquid inlet pipe 4 is communicated with the hollow liquid spraying ring 8, and the absorption liquid in the absorption liquid circulating tower 1 is guided into the hollow liquid spraying ring 8 through the second liquid inlet pipe 4; the hollow liquid spraying ring 8 is circumferentially distributed with a plurality of direct current spray heads 80 in an array manner, the direct current spray heads 80 are divided into a part which is positioned at the inner ring of the hollow liquid spraying ring 8 and has the spraying direction facing the surface of the jet flow spherical shell 6 and a part which is positioned at the side surface of the hollow liquid spraying ring 8 and has the spraying direction facing the inner side of the opening end of the liquid impact shell 9, an absorption liquid column sprayed on the surface of the jet flow spherical shell 6 is diffused along the surface of the jet flow spherical shell 6, and an absorption liquid column sprayed on the inner side of the opening end of the liquid impact shell 9 is diffused along the inner circular surface of. The purification treatment system of the invention enables the absorption liquid to be fully mixed with the waste gas, realizes full and thorough washing of the waste gas by the absorption liquid, and achieves the purpose of purification treatment of the waste gas
More specifically, install on the first feed liquor pipe 3 and carry out the first liquid supercharging device 30 that the pressure boost is carried out to the absorption liquid of water conservancy diversion in it, install on the second feed liquor pipe 4 and carry out the second liquid supercharging device 40 that the pressure boost is carried out to the absorption liquid of water conservancy diversion in it, install on the intake pipe 5 and carry out the gas supercharging device 50 that the pressure boost is carried out to the waste gas of water conservancy diversion in it. The introduced absorption liquid and the introduced waste gas are respectively pressurized, the flow guide impact force of the absorption liquid and the waste gas is improved, the inside of the self-rotation gas-liquid distributor 7 and the inside of the jet flow spherical shell 6 are in a high-pressure environment, the self-rotation gas-liquid distributor 7 is convenient to distribute the absorption liquid and the waste gas, and the absorption liquid and the waste gas in the jet flow spherical shell 6 are convenient to spray from the spray holes 60 to form gas-liquid mixed jet flow.
As shown in the attached figure 4, the self-rotating gas-liquid uniform distributor 7 comprises a hollow gas-liquid uniform distribution circular plate 7.1, a liquid inlet rotary joint 7.2, a gas inlet rotary joint 7.3, a waterproof motor 7.4, a gear 7.5 and an outer gear ring 7.6; the liquid inlet 7a and the air inlet 7b are coaxially and symmetrically communicated with the outer annular side of the hollow gas-liquid uniform distribution circular plate 7.1, the liquid inlet 7a is in butt joint with the first liquid inlet pipe 3 through a liquid inlet rotary joint 7.2, and the air inlet 7b is in butt joint with the air inlet pipe 5 through an air inlet rotary joint 7.3; the outer annular side of the hollow gas-liquid uniform distribution circular plate 7.1 is also provided with a plurality of uniformly distributed liquid outlets 7.10, and the outer annular side of the hollow gas-liquid uniform distribution circular plate 7.1 is provided with stirring blades 7.11; the waterproof motor 7.4 is installed on the first liquid inlet pipe 3 through a motor connecting part 7.40, the outer gear ring 7.6 is fixedly sleeved on the liquid inlet 7a, and the gear 7.5 is installed on the waterproof motor 7.4 and meshed with the outer gear ring 7.6. Through the reasonable position distribution of waterproof motor 7.4 drive hollow gas-liquid equipartition plectane 7.1 rotation and liquid outlet 7.10, can make absorption liquid and waste gas equipartition to efflux spherical shell 6 in, stir absorption liquid and waste gas through stirring leaf 7.11, can make absorption liquid and waste gas mixture more even.
As shown in fig. 3, the area of the jet spherical shell 6 surrounded by the hollow liquid jet ring 8 is a solid impact area 6.1, the jet holes 60 are distributed outside the solid impact area 6.1, the absorption liquid column jetted from the direct current nozzle 80 positioned at the inner ring of the hollow liquid jet ring 8 is jetted to the solid impact area 6.1, and the existence of the solid impact area 6.1 can prevent the absorption liquid column from directly impacting the jet holes 60 to enter the jet spherical shell 6, but the absorption liquid column is diffused along the surface of the jet spherical shell 6 after impacting the jet spherical shell 6.
It should be noted that a plurality of annular inclined plates 9.1 are integrally connected to the inner side surface of the liquid impact shell 9, and the plurality of annular inclined plates 9.1 are sequentially arranged from the open end of the liquid impact shell 9 to the center line 90 of the liquid impact shell 9 at intervals.
More specifically, the inlet end cover of intake pipe 5 is equipped with the dustproof filter screen of metal, plays the purpose of preliminary dust removal, prevents that the dust from getting into washing purifying vessel 2 and leading to the fact the influence to exhaust purification.
The outer lane face of hollow hydrojet ring 8 has supporting at least one hydrojet ring connecting portion 8.1, hollow hydrojet ring 8 is connected the installation through hollow hydrojet ring connecting portion 8.1 and washing purifying container 2's interior ware wall.
The purification treatment method of the gas-liquid mixed jet washing type waste gas purification treatment system comprises the following specific steps:
step S1: absorption liquid in the absorption liquid circulating tower 1 is guided into the hollow gas-liquid uniform distribution circular plate 7.1 through the first liquid inlet pipe 3 and is pressurized through the first liquid pressurizing device 30 arranged on the first liquid inlet pipe 3; meanwhile, the waste gas is led into the hollow gas-liquid uniform distribution circular plate 7.1 through the gas inlet pipe 5 and is pressurized through the gas pressurizing device 50 arranged on the gas inlet pipe 5; meanwhile, the absorption liquid in the absorption liquid circulating tower 1 is guided into the hollow liquid spraying ring 8 through the second liquid inlet pipe 4 and is pressurized through a second liquid pressurizing device 40 arranged on the second liquid inlet pipe 4;
step S2: starting a waterproof motor 7.4, driving a hollow gas-liquid uniform distribution circular plate 7.1 to rotate by the waterproof motor 7.4 through tooth transmission, exposing absorption liquid and waste gas in the hollow gas-liquid uniform distribution circular plate 7.1 to the jet flow spherical shell 6 from a liquid outlet 7.10 under the dual actions of centrifugal force and high-pressure environment in the hollow gas-liquid uniform distribution circular plate 7.1, and stirring the absorption liquid and the waste gas in the jet flow spherical shell 6 by using a stirring blade 7.11 synchronously rotating along with the hollow gas-liquid uniform distribution circular plate 7.1 to uniformly mix the absorption liquid and the waste gas, wherein the absorption liquid absorbs pollutants in the waste gas;
step S3: the existence of the absorption liquid and the waste gas enables the interior of the jet flow spherical shell 6 to be in a high-pressure environment, so that the absorption liquid and the waste gas are sprayed out from each spray hole 60 together to form gas-liquid mixed jet flow;
at the same time, the absorption liquid in the hollow liquid-jet ring 8 is ejected from each of the dc spray heads 80 to form a column of absorption liquid, wherein,
the absorption liquid column ejected from the direct current nozzle 80 positioned at the inner ring of the hollow liquid spraying ring 8 impacts the solid impact area 6.1 of the jet flow spherical shell 6 and spreads along the surface of the jet flow spherical shell 6;
the absorption liquid column ejected from the direct current nozzle 80 positioned on the side surface of the hollow liquid spraying ring 8 is diffused along the inner circular surface of the liquid impact shell 9, when the absorption liquid meets the annular inclined plate 9.1 on the inner side surface of the liquid impact shell 9 in the diffusion process, the absorption liquid column is lifted from the annular inclined plate 9.1, so that a part of the absorption liquid is splashed on the surface of the jet flow spherical shell 6, and the other part of the absorption liquid is continuously diffused along the inner circular surface of the liquid impact shell 9;
the absorption liquid is fully mixed with the waste gas, so that the waste gas is fully and thoroughly washed by the absorption liquid, and the aim of purifying the waste gas is fulfilled;
step S4: the waste gas is discharged from the gas outlet pipe 2.2 after purification treatment, and the absorption liquid at the bottom in the washing and purifying container 2 is discharged through the liquid outlet pipe 2.1 and flows back to the absorption liquid circulating tower 1.
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. Gas-liquid mixture efflux scrubbing formula exhaust purification processing system, its characterized in that: comprises an absorption liquid circulating tower (1), a washing and purifying container (2), a first liquid inlet pipe (3), a second liquid inlet pipe (4) and an air inlet pipe (5); the first liquid inlet pipe (3) and the second liquid inlet pipe (4) are connected with the absorption liquid circulating tower (1), liquid outlet ends of the first liquid inlet pipe and the second liquid inlet pipe extend into the washing and purifying container (2), a gas outlet end of the gas inlet pipe (5) extends into the washing and purifying container (2), a liquid outlet pipe (2.1) connected with the absorption liquid circulating tower (1) is arranged at the conduction inner bottom of the washing and purifying container (2), and a gas outlet pipe (2.2) is connected at the conduction inner top of the washing and purifying container (2);
the device also comprises a jet flow spherical shell (6) arranged in the washing and purifying container (2), a spinning gas-liquid uniform distributor (7), a hollow liquid spraying ring (8) and a liquid impact shell (9); the jet flow spherical shell (6) is positioned at the center of the washing and purifying container (2), the self-rotating gas-liquid distributor (7) is positioned at the center of the interior of the jet flow spherical shell (6), the hollow liquid spraying rings (8) are sleeved outside the jet flow spherical shell (6) at intervals in a vertical posture, the hollow liquid spraying rings (8) and the jet flow spherical shell (6) are concentrically arranged, the number of the liquid impact shells (9) is two, the two liquid impact shells (9) are symmetrically arranged on two sides of the hollow liquid spraying ring (8) in an opening opposite posture, and the jet flow spherical shell (6) is positioned between the two liquid impact shells (9);
the first liquid inlet pipe (3) and the gas inlet pipe (5) are arranged on the same central axis, the first liquid inlet pipe (3) transversely penetrates through the side surface of the washing and purifying container (2) and extends into the jet flow spherical shell (6) to enable the liquid outlet end of the first liquid inlet pipe to be in butt joint with the liquid inlet (7a) of the self-rotating gas-liquid distributor (7), and the gas inlet pipe (5) transversely penetrates through the other side surface of the washing and purifying container (2) and extends into the jet flow spherical shell (6) to enable the gas outlet end of the gas inlet pipe to be in butt joint with the gas inlet (7b) of the self-rotating gas; absorbing liquid in the absorbing liquid circulating tower (1) is guided into a self-rotating gas-liquid uniform distributor (7) through a first liquid inlet pipe (3), waste gas is guided into the self-rotating gas-liquid uniform distributor (7) through a gas inlet pipe (5), and the absorbing liquid and the waste gas are uniformly distributed in a jet flow spherical shell (6) and are mixed by the self-rotating gas-liquid uniform distributor (7);
the jet holes (60) are uniformly and densely distributed on the surface of the jet spherical shell (6), and the absorption liquid and the waste gas in the jet spherical shell (6) are sprayed out from the jet holes (60) together to form gas-liquid mixed jet;
the two liquid impact shells (9) have the same structure and are fixedly connected to the first liquid inlet pipe (3) and the air inlet pipe (5) respectively, the liquid impact shells (9) are bent and extended outwards in a circular arc shape from the outer side surface of the first liquid inlet pipe (3) or the outer side surface of the air inlet pipe (5), and the bending direction of the liquid impact shells (9) faces the jet flow spherical shell (6); the liquid outlet end of the second liquid inlet pipe (4) is communicated with the hollow liquid spraying ring (8), and the absorption liquid in the absorption liquid circulating tower (1) is guided into the hollow liquid spraying ring (8) through the second liquid inlet pipe (4); the jet flow type liquid spraying device is characterized in that a plurality of direct current spray heads (80) are distributed on the hollow liquid spraying ring (8) in a circumferential array mode, the direct current spray heads (80) are divided into a part which is located on the inner ring of the hollow liquid spraying ring (8) and the spraying direction of which faces the surface of the jet flow spherical shell (6) and a part which is located on the side face of the hollow liquid spraying ring (8) and the spraying direction of which faces the inner side of the opening end of the liquid impact shell (9), an absorption liquid column sprayed on the surface of the jet flow spherical shell (6) is diffused along the surface of the jet flow spherical shell (6), and an absorption liquid column sprayed on the inner side of the opening end of the liquid impact shell (.
2. The gas-liquid mixture jet scrubbing-type exhaust gas purification treatment system according to claim 1, characterized in that: install on first feed liquor pipe (3) and carry out first liquid supercharging device (30) that the pressure boost is carried out to the absorption liquid of water conservancy diversion in it, install on second feed liquor pipe (4) and carry out second liquid supercharging device (40) that the pressure boost is carried out to the absorption liquid of water conservancy diversion in it, install on intake pipe (5) and carry out gas supercharging device (50) that the pressure boost is carried out to the waste gas of water conservancy diversion in it.
3. The gas-liquid mixture jet scrubbing-type exhaust gas purification treatment system according to claim 2, characterized in that: the spinning gas-liquid uniform distributor (7) comprises a hollow gas-liquid uniform distribution circular plate (7.1), a liquid inlet rotary joint (7.2), a gas inlet rotary joint (7.3), a waterproof motor (7.4), a gear (7.5) and an outer gear ring (7.6); the liquid inlet (7a) and the air inlet (7b) are coaxially and symmetrically communicated with the outer annular side of the hollow gas-liquid uniform distribution circular plate (7.1), the liquid inlet (7a) is in butt joint with the first liquid inlet pipe (3) through a liquid inlet rotary joint (7.2), and the air inlet (7b) is in butt joint with the air inlet pipe (5) through an air inlet rotary joint (7.3); the outer annular side of the hollow gas-liquid uniform distribution circular plate (7.1) is also provided with a plurality of uniformly distributed liquid outlets (7.10), and the outer annular side of the hollow gas-liquid uniform distribution circular plate (7.1) is provided with stirring blades (7.11); waterproof motor (7.4) are installed on first feed liquor pipe (3) through motor connecting portion (7.40), outer ring gear (7.6) cover is fixed on inlet (7a), gear (7.5) install on waterproof motor (7.4) and with outer ring gear (7.6) mesh mutually.
4. The gas-liquid mixture jet scrubbing-type exhaust gas purification treatment system according to claim 3, characterized in that: the area of the jet flow spherical shell (6) surrounded by the hollow liquid spraying ring (8) is a solid impact area (6.1), the jet holes (60) are distributed outside the solid impact area (6.1), and an absorption liquid column sprayed out from the direct current spray head (80) positioned at the inner ring of the hollow liquid spraying ring (8) is shot to the solid impact area (6.1).
5. The gas-liquid mixture jet scrubbing-type exhaust gas purification treatment system according to claim 4, characterized in that: the medial surface integrated into one piece of liquid impact shell (9) is connected with a plurality of annular swash plates (9.1), and is a plurality of annular swash plate (9.1) keep the interval to set gradually from the open end of liquid impact shell (9) to central line (90) of liquid impact shell (9).
6. The gas-liquid mixture jet washing type exhaust gas purification treatment system according to claims 1 to 6, characterized in that: and the air inlet end cover of the air inlet pipe (5) is provided with a metal dustproof filter screen.
7. The gas-liquid mixture jet washing type exhaust gas purification treatment system according to any one of claims 1 to 6, characterized in that: the outer lane face of hollow hydrojet ring (8) has supporting at least one hydrojet ring connecting portion (8.1), hollow hydrojet ring (8) are connected the installation through hollow hydrojet ring connecting portion (8.1) and the interior ware wall of washing purifying vessel (2).
8. The purification treatment method of a gas-liquid mixture jet washing type exhaust gas purification treatment system according to claim 6, characterized in that: the method comprises the following specific steps:
step S1: absorption liquid in the absorption liquid circulating tower (1) is guided into a hollow gas-liquid uniform distribution circular plate (7.1) through a first liquid inlet pipe (3) and is pressurized through a first liquid pressurizing device (30) arranged on the first liquid inlet pipe (3); meanwhile, the waste gas is led into the hollow gas-liquid uniform distribution circular plate (7.1) through the gas inlet pipe (5) and is pressurized through a gas pressurizing device (50) arranged on the gas inlet pipe (5); meanwhile, the absorption liquid in the absorption liquid circulating tower (1) is guided into the hollow liquid spraying ring (8) through a second liquid inlet pipe (4) and is pressurized through a second liquid pressurizing device (40) arranged on the second liquid inlet pipe (4);
step S2: starting a waterproof motor (7.4), driving a hollow gas-liquid uniform distribution circular plate (7.1) to rotate by the waterproof motor (7.4) through tooth transmission, exposing absorption liquid and waste gas in the hollow gas-liquid uniform distribution circular plate (7.1) to the jet flow spherical shell (6) from a liquid outlet (7.10) under the dual effects of centrifugal force and high-pressure environment in the hollow gas-liquid uniform distribution circular plate (7.1), and stirring the absorption liquid and the waste gas in the jet flow spherical shell (6) by using a stirring blade (7.11) synchronously rotating along with the hollow gas-liquid uniform distribution circular plate (7.1) to uniformly mix the absorption liquid and the waste gas and absorb pollutants in the waste gas;
step S3: the existence of the absorption liquid and the waste gas enables the interior of the jet flow spherical shell (6) to be in a high-pressure environment, so that the absorption liquid and the waste gas are sprayed out from each spray hole (60) together to form gas-liquid mixed jet flow;
at the same time, the absorption liquid in the hollow liquid-jet ring (8) is ejected from each direct current nozzle (80) to form an absorption liquid column,
the absorption liquid column ejected from the direct current nozzle (80) positioned at the inner ring of the hollow liquid spraying ring (8) impacts the solid impact area (6.1) of the jet flow spherical shell (6) and spreads along the surface of the jet flow spherical shell (6);
an absorption liquid column ejected from a direct current spray head (80) positioned on the side surface of the hollow liquid spraying ring (8) diffuses along the inner circular surface of the liquid impact shell (9), when the absorption liquid meets an annular inclined plate (9.1) on the inner side surface of the liquid impact shell (9) in the diffusion process, the absorption liquid column is lifted from the annular inclined plate (9.1), so that a part of absorption liquid splashes on the surface of the jet flow spherical shell (6), and the other part of absorption liquid continuously diffuses along the inner circular surface of the liquid impact shell (9);
the absorption liquid is fully mixed with the waste gas, so that the waste gas is fully and thoroughly washed by the absorption liquid, and the aim of purifying the waste gas is fulfilled;
step S4: the waste gas is discharged from the gas outlet pipe (2.2) after purification treatment, and the absorption liquid at the bottom in the washing and purifying container (2) is discharged through the liquid outlet pipe (2.1) and flows back to the absorption liquid circulating tower (1).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113476708A (en) * | 2021-08-25 | 2021-10-08 | 南阳市中心医院 | Concentration regulation formula anaesthesia device of department of anesthesia |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113476708A (en) * | 2021-08-25 | 2021-10-08 | 南阳市中心医院 | Concentration regulation formula anaesthesia device of department of anesthesia |
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