CN112827375A - Mixing stirrer, matching system and method for purifying waste gas by wet absorption method - Google Patents
Mixing stirrer, matching system and method for purifying waste gas by wet absorption method Download PDFInfo
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- CN112827375A CN112827375A CN202011575453.9A CN202011575453A CN112827375A CN 112827375 A CN112827375 A CN 112827375A CN 202011575453 A CN202011575453 A CN 202011575453A CN 112827375 A CN112827375 A CN 112827375A
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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
- B01F23/23—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
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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
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/115—Stirrers characterised by the configuration of the stirrers comprising discs or disc-like elements essentially perpendicular to the stirrer shaft axis
- B01F27/1151—Stirrers characterised by the configuration of the stirrers comprising discs or disc-like elements essentially perpendicular to the stirrer shaft axis with holes on the surface
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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
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/115—Stirrers characterised by the configuration of the stirrers comprising discs or disc-like elements essentially perpendicular to the stirrer shaft axis
- B01F27/1152—Stirrers characterised by the configuration of the stirrers comprising discs or disc-like elements essentially perpendicular to the stirrer shaft axis with separate elements other than discs fixed on the discs, e.g. vanes fixed on the discs
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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
- 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
- B01F27/83—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis the stirrers being additionally moved radially, or oscillating about an axis perpendicular to the stirrer axis
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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
- 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
- B01F27/85—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with two or more stirrers on separate shafts
-
- 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
- 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
- B01F27/93—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with rotary discs
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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
- B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
- B01F33/402—Mixers using gas or liquid agitation, e.g. with air supply tubes comprising supplementary stirring elements
- B01F33/4021—Mixers using gas or liquid agitation, e.g. with air supply tubes comprising supplementary stirring elements the gas being introduced through the shaft of the stirring element
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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
- 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
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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)
Abstract
The invention discloses a blending stirrer, a matching system and a method for purifying and treating waste gas by a wet absorption method, wherein the blending stirrer comprises a total rotary gas supply supporting platform, a supporting transverse plate, a long pneumatic rotary stirring unit, a short pneumatic rotary stirring unit and a translation driving mechanism, wherein the long pneumatic rotary stirring unit and the short pneumatic rotary stirring unit are driven by a first rotary driving mechanism to rotate in the circumferential direction of a first vertical gas guide pipe, meanwhile, the long pneumatic rotary stirring unit and the short pneumatic rotary stirring unit are driven by corresponding translation driving mechanisms to translate back and forth in the length direction of a strip-shaped opening, and pneumatic elastic stirring discs are driven by a second rotary driving mechanism to rotate in the circumferential direction of a second vertical gas guide pipe; the matching system comprises a mixing stirrer, and an aeration disc is arranged at the bottom in the absorption and purification treatment container. The invention has the advantages of good stirring and mixing effect and high efficiency, and promotes the alkaline absorption liquid to fully absorb pollutants in the waste gas.
Description
Technical Field
The invention belongs to the technical field of waste gas purification treatment, and particularly relates to a mixing stirrer, a matching system and a method for purifying and treating waste gas by a wet absorption method.
Background
The existing device for purifying waste gas by a wet absorption method has more technical defects, for example, the stirring of absorption liquid is not thorough enough, so that the waste gas is not thoroughly mixed and contacted with the absorption liquid, the purification treatment effect is poor, and the efficiency is low; and the gas distribution function of waste gas is not possessed, the waste gas is guided into the absorption liquid to be concentrated, the diffusion difficulty is high, and the waste gas purification treatment difficulty is greatly increased.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the mixing stirrer, the matching system and the method for purifying and treating the waste gas by the wet absorption method have the advantages of good mixing and stirring effect and high efficiency, and promote the alkaline absorption liquid to fully absorb pollutants in the waste gas.
The technical scheme is as follows: in order to achieve the aim, the mixing stirrer for purifying and treating the waste gas by the wet absorption method comprises a total rotary gas supply supporting platform, a supporting transverse plate, a long pneumatic rotary stirring unit, a short pneumatic rotary stirring unit and two translation driving mechanisms;
the overall rotary air supply supporting platform comprises a supporting flat plate, a first vertical air guide pipe, a first rotary joint, a first hard air supply pipe, an air supply pump and a first rotary driving mechanism; the first vertical air guide pipe is perpendicular to the support flat plate and penetrates through the support flat plate in a rotating fit mode, the upper end of the first vertical air guide pipe is in butt joint with the air outlet end of the first hard air supply pipe through a first rotating joint, the lower end of the first vertical air guide pipe is of a blocking structure and is fixedly connected with the middle position of the support transverse plate, the air outlet end of the air supply pump installed on the support flat plate is in butt joint with the air inlet end of the first hard air supply pipe, and the rotating driving force of the first vertical air guide pipe is provided through the first rotating driving mechanism;
the long pneumatic rotary stirring unit and the short pneumatic rotary stirring unit are respectively arranged on the supporting transverse plate and are respectively positioned at the length sides of the corresponding strip-shaped openings, and the long pneumatic rotary stirring unit translational driving mechanism and the short pneumatic rotary stirring unit translational driving mechanism are respectively driven by the corresponding translational driving mechanisms to realize translation;
the long pneumatic rotary stirring unit and the short pneumatic rotary stirring unit have the same structure, and the long pneumatic rotary stirring unit or/and the short pneumatic rotary stirring unit comprises a connecting plate, a second vertical air duct, a second rotary joint, a second hard air supply pipe, a soft air supply pipe, a second rotary driving mechanism and a pneumatic elastic stirring disc; the connecting plate is arranged on the translation driving mechanism; the lower end of the second vertical air duct is blocked, the upper end of the second vertical air duct is provided with a connecting duct opening, the connecting duct opening penetrates through the strip-shaped opening and is arranged by penetrating through the connecting plate in a rotating fit mode, the connecting duct opening is communicated with the first vertical air duct through a second rotating joint, a second hard air supply pipe and a soft air supply pipe in sequence, and the second hard air supply pipe is fixedly installed on the connecting plate through a pipe fitting connecting piece; the second rotary driving mechanism is in driving connection with the connecting pipe orifice; the pneumatic elastic stirring discs are concentrically and fixedly arranged on a second vertical air duct, a plurality of pneumatic elastic stirring discs uniformly distributed at the same vertical interval L are arranged on the same second vertical air duct, a gas storage cavity of each pneumatic elastic stirring disc is communicated with the second vertical air duct, and the pneumatic elastic stirring discs to which the long pneumatic rotary stirring units belong and the pneumatic elastic stirring discs to which the short pneumatic rotary stirring units belong are mutually distributed in a staggered manner in the horizontal direction;
the long pneumatic rotary stirring unit and the short pneumatic rotary stirring unit are driven by a first rotary driving mechanism to rotate along the circumferential direction of the first vertical air guide pipe, and are driven by a corresponding translation driving mechanism to translate back and forth along the length direction of the strip-shaped opening, and each pneumatic elastic stirring disc is driven by a second rotary driving mechanism to rotate along the circumferential direction of the second vertical air guide pipe.
Further, the translation relationship between the long pneumatic rotary stirring unit and the short pneumatic rotary stirring unit is the cyclic switching between the opposite translation and the back translation, or the equidirectional translation.
Further, the long pneumatic rotary stirring unit and the short pneumatic rotary stirring unit are switched between opposite translation and opposite translation in a circulating manner, and the pneumatic elastic stirring disc of the long pneumatic rotary stirring unit and the pneumatic elastic stirring disc of the short pneumatic rotary stirring unit extend into the vertical space L of the opposite side mutually under the state that the opposite translation is in the limit approaching state.
Further, the long pneumatic rotary stirring unit and the short pneumatic rotary stirring unit translate in the same direction.
Furthermore, the pneumatic elastic stirring disc comprises a hollow disc body, a hinge piece, a stirring blade and an elastic connecting piece; the hollow disc body is fixedly arranged on the second vertical air duct in a concentric manner, the pipe wall of the second vertical air duct surrounded by the hollow disc body is provided with an air vent, the inner space of the hollow disc body is an air storage cavity of the pneumatic elastic stirring disc, and the air storage cavity is communicated with the second vertical air duct through the air vent; the surface of the hollow disc body is densely distributed with air outlet holes which are distributed on the upper surface and the lower surface of the hollow disc body; the stirring blades are hinged through hinges and distributed on the outer peripheral side of the hollow disk body in a circumferential array mode, the hinging direction of the stirring blades is along the circumferential direction of the hollow disk body, and the adjacent stirring blades are elastically interconnected through elastic connecting pieces.
Further, the elastic connecting piece is a spring.
Furthermore, the translation driving mechanism is a linear servo sliding table module; the first rotary driving mechanism is a gear transmission mechanism driven by a motor; the second rotary driving mechanism is a gear transmission mechanism driven by a servo motor.
The system comprises the mixing stirrer, an absorption purification treatment container, an absorption liquid source, an absorption liquid receiving part, a waste gas source and a gas receiving part;
the supporting flat plate is arranged at the outer top of the absorption and purification treatment container, the first vertical gas guide pipe is in rotary seal fit with and penetrates through the top of the absorption and purification treatment container, and the supporting transverse plate, the long pneumatic rotary stirring unit, the short pneumatic rotary stirring unit and the two translation driving mechanisms are all positioned in the absorption and purification treatment container;
the absorption liquid source supplies absorption liquid to the absorption and purification treatment container through a liquid inlet pipeline, the absorption liquid receiving part receives the absorption liquid discharged from the absorption and purification treatment container through a liquid outlet pipeline, the waste gas source introduces waste gas into the absorption and purification treatment container through an air inlet pipeline, and the gas receiving part receives the gas discharged from the absorption and purification treatment container through an air outlet pipeline.
Furthermore, at least one aeration disc is arranged at the bottom in the absorption and purification treatment container, the air outlet end of the air inlet pipeline is communicated with the aeration disc, and waste gas led into the aeration disc is exposed from the aeration holes to form small waste bubbles of dense ramie.
The method for purifying and treating the waste gas by a wet absorption method comprises the matched system and comprises the following specific steps:
step S1: the absorption liquid of the absorption liquid source is supplied into the absorption and purification treatment container through a liquid inlet pipeline, the waste gas of the waste gas source is introduced into an aeration disc at the bottom in the absorption and purification treatment container through a gas inlet pipeline, and the waste gas in the aeration disc is exposed from aeration holes to form small waste gas bubbles of dense hemp;
step S2: synchronously starting the translation driving mechanism, the first rotation driving mechanism, the second rotation driving mechanism and the air supply pump;
the long pneumatic rotary stirring unit and the short pneumatic rotary stirring unit are driven by the first rotary driving mechanism to rotate in the circumferential direction of the first vertical air guide pipe, the long pneumatic rotary stirring unit and the short pneumatic rotary stirring unit are driven by the corresponding translation driving mechanisms to translate back and forth along the length direction of the strip-shaped opening, each pneumatic elastic stirring disc is driven by the second rotary driving mechanism to rotate in the circumferential direction of the second vertical air guide pipe, and an air supply pump supplies external air to each pneumatic elastic stirring disc;
the stirring blades are used for rotationally stirring the absorption liquid, air in the air storage cavity of the hollow disc body is sprayed out from the air outlet holes to form an air column to pneumatically impact and stir the absorption liquid, the dense and hemp small waste gas bubbles float upwards in the absorption liquid, the dense and hemp small waste gas bubbles are fully mixed and contacted with the absorption liquid under the double stirring action of rotational stirring and pneumatic stirring in the floating process, the absorption liquid thoroughly absorbs pollutants in the waste gas, and the purification treatment of the waste gas is realized;
step S3: gas exhausted from the absorption purification treatment container is conveyed to a gas receiving place through a gas outlet pipeline;
step S4: the absorption liquid discharged from the absorption purification treatment container is conveyed to an absorption liquid receiving place through a liquid outlet pipeline.
Has the advantages that: the mixing stirrer, the matching system and the method for purifying and treating the waste gas by the wet absorption method have the following beneficial effects:
1) in the blending stirrer, the long pneumatic rotary stirring unit and the short pneumatic rotary stirring unit are driven by the first rotary driving mechanism to rotate in the circumferential direction of the first vertical gas guide pipe, the long pneumatic rotary stirring unit and the short pneumatic rotary stirring unit are driven by the corresponding translation driving mechanisms to translate back and forth along the length direction of the strip-shaped opening, and the pneumatic elastic stirring discs are driven by the second rotary driving mechanisms to rotate in the circumferential direction of the second vertical gas guide pipe, so that absorption liquid can be fully stirred, the absorption liquid and waste gas are mixed and contacted more thoroughly, uniformly and fully, and the waste gas purification treatment efficiency is improved;
2) in the matching system, the matching system comprises a blending stirrer, and the matching system integrates the gas distribution function through the addition of the aeration disc, so that the waste gas purification treatment efficiency is further improved;
3) the purification treatment method has reasonable layout and standard operation, and is suitable for large-scale popularization.
Drawings
FIG. 1 is a schematic view of the overall structure of the kneading mixer;
FIG. 2 is an enlarged schematic view of a part of the structure of the kneading agitator;
FIG. 3 is a schematic structural diagram of the cyclic switching between the opposite translation and the reverse translation of the long pneumatic rotary stirring unit and the short pneumatic rotary stirring unit;
fig. 4 is a schematic structural diagram of the long pneumatic rotary stirring unit 1.3 and the short pneumatic rotary stirring unit 1.4 in a state of translating in the same direction;
FIG. 5 is a schematic view of a semi-sectional structure of the pneumatic elastic stirring disc;
fig. 6 is a schematic structural diagram of a supporting system.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and fig. 2, the mixing agitator 100 for purifying waste gas by wet absorption method includes a general rotary gas supply supporting platform 1.1, a supporting horizontal plate 1.2, a long pneumatic rotary stirring unit 1.3, a short pneumatic rotary stirring unit 1.4 and two translation driving mechanisms 1.5; the overall rotary air supply supporting platform 1.1 comprises a supporting flat plate 1.11, a first vertical air duct 1.12, a first rotary joint 1.13, a first hard air supply pipe 1.14, an air supply pump 1.15 and a first rotary driving mechanism 1.16; the first vertical air duct 1.12 and the support flat plate 1.11 are vertically and rotationally matched to penetrate through the support flat plate 1.11, the upper end of the first vertical air duct 1.12 is in butt joint with the air outlet end of the first hard air supply pipe 1.14 through a first rotary joint 1.13, the lower end of the first vertical air duct 1.12 is of a blocking structure and is fixedly connected with the middle position of the support transverse plate 1.2, the air outlet end of the air supply pump 1.15 installed on the support flat plate 1.11 is in butt joint with the air inlet end of the first hard air supply pipe 1.14, and the rotational driving force of the first vertical air duct 1.12 is provided through the first rotational driving mechanism 1.16; support diaphragm 1.2 go up and have seted up two bar mouths 1.20 along its vertical running through of length direction, two bar mouth 1.20 is about first vertical air duct 1.12 symmetry, long pneumatic rotatory stirring unit 1.3 and short pneumatic rotatory stirring unit translation actuating mechanism 1.6 correspond one respectively bar mouth 1.20, two translation actuating mechanism 1.5 install respectively in support diaphragm 1.2 go up and be located the correspondence respectively the length side of bar mouth 1.20, long pneumatic rotatory stirring unit translation actuating mechanism 1.4 and short pneumatic rotatory stirring unit translation actuating mechanism 1.6 realize the translation through the translation actuating mechanism 1.5 drive that corresponds respectively.
The long pneumatic rotary stirring unit 1.3 and the short pneumatic rotary stirring unit 1.4 have the same structure, and the long pneumatic rotary stirring unit 1.3 or/and the short pneumatic rotary stirring unit 1.4 comprise a connecting plate 1.31, a second vertical air duct 1.32, a second rotary joint 1.33, a second hard air supply pipe 1.34, a soft air supply pipe 1.35, a second rotary driving mechanism 1.36 and a pneumatic elastic stirring disc 1.37; the connecting plate 1.31 is arranged on the translation driving mechanism 1.5; the lower end of the second vertical air duct 1.32 is blocked, the upper end of the second vertical air duct is provided with a connecting duct orifice 1.320, the connecting duct orifice 1.320 penetrates through the strip-shaped opening 1.20 and is arranged by rotating and matching to penetrate through the connecting plate 1.31, the connecting duct orifice 1.320 is communicated with the first vertical air duct 1.12 through a second rotating joint 1.33, a second hard air supply pipe 1.34 and a soft air supply pipe 1.35 in sequence, and the second hard air supply pipe 1.34 is fixedly arranged on the connecting plate 1.31 through a pipe fitting connecting piece 1.340; the second rotary driving mechanism 1.36 is in driving connection with the connecting pipe orifice 1.320; the pneumatic elastic stirring disc 1.37 is concentrically and fixedly arranged on the second vertical air guide pipe 1.32, a plurality of pneumatic elastic stirring discs 1.37 which keep the same vertical interval L are uniformly distributed are arranged on the same second vertical air guide pipe 1.32, the air storage cavity of the pneumatic elastic stirring disc 1.37 is communicated with the second vertical air guide pipe 1.32, and the pneumatic elastic stirring disc 1.37 to which the long pneumatic rotary stirring unit 1.3 belongs and the pneumatic elastic stirring disc 1.37 to which the short pneumatic rotary stirring unit 1.4 belongs are distributed in a staggered mode in the horizontal direction.
The long pneumatic rotary stirring unit 1.3 and the short pneumatic rotary stirring unit 1.4 are in rotation along the circumferential direction of the first vertical air guide pipe 1.12 through the drive of the first rotary driving mechanism 1.16, the long pneumatic rotary stirring unit 1.3 and the short pneumatic rotary stirring unit 1.4 are in back-and-forth translation along the length direction of the strip-shaped opening 1.20 through the drive of the corresponding translation driving mechanism 1.5, and each pneumatic elastic stirring disc 1.37 is in rotation along the circumferential direction of the second vertical air guide pipe 1.32 through the drive of the second rotary driving mechanism 1.36, so that the absorption liquid can be fully stirred, the mixed contact between the absorption liquid and the waste gas is more thorough, uniform and sufficient, and the waste gas purification treatment efficiency is improved.
As shown in fig. 3 and fig. 4, the translation relationship between the long pneumatic rotating stirring unit 1.3 and the short pneumatic rotating stirring unit 1.4 is a cyclic switching between a backward translation and a forward translation, or a same-direction translation, which correspond to fig. 3 and fig. 4 respectively, and are as follows:
corresponding to fig. 3, the long pneumatic rotary stirring unit 1.3 and the short pneumatic rotary stirring unit 1.4 are cyclically switched between opposite translation and opposite translation, and in the state of extreme approach of opposite translation, the pneumatic elastic stirring disc 1.37 of the long pneumatic rotary stirring unit 1.3 and the pneumatic elastic stirring disc 1.37 of the short pneumatic rotary stirring unit 1.4 mutually extend into the vertical space L of each other, so that the stirring coverage is improved.
Corresponding to fig. 4, the long pneumatic rotating stirring unit 1.3 and the short pneumatic rotating stirring unit 1.4 translate in the same direction.
The customer can adjust and select the two translation modes according to the requirement.
As shown in fig. 5, the pneumatic elastic stirring disc 1.37 comprises a hollow disc body 1.371, a hinge joint 1.372, a stirring blade 1.373 and an elastic connecting piece 1.374; the hollow disc body 1.371 is concentrically and fixedly arranged on the second vertical air duct 1.32, the pipe wall of the second vertical air duct 1.32 enclosed by the hollow disc body 1.371 is provided with an air vent hole 1.321, the inner space of the hollow disc body 1.371 is an air storage cavity of the pneumatic elastic stirring disc 1.37, and the air storage cavity is communicated with the second vertical air duct 1.32 through the air vent hole 1.321; the surface of the hollow disc body 1.371 is densely distributed with air outlet holes 1.3710, and the air outlet holes 1.3710 are distributed on the upper surface and the lower surface of the hollow disc body 1.371; the stirring blades 1.373 are hinged by hinges 1.372 respectively and distributed on the outer periphery of the hollow disk body 1.371 in a circumferential array, the hinging direction of the stirring blades 1.373 is along the circumferential direction of the hollow disk body 1.371, and the adjacent stirring blades 1.373 are elastically interconnected through elastic connecting pieces 1.374. The gas distribution stirring is combined with the rotary stirring, and the stirring is thorough and efficient. In the pneumatic elastic stirring disc 1.37, the adjacent stirring blades 1.373 are elastically interconnected by the elastic connecting piece 1.374, so that the stirring blades 1.373 have elastic activity in the circumferential direction of the hollow disc body 1.371 during the rotary stirring process, dirt can be prevented from being accumulated on the stirring blades 1.373, and the stirring effect is ensured.
Preferably, the elastic connecting element 1.374 is a spring, but other structures with similar elastic functions can be adopted.
In the present invention, preferably, the translation driving mechanism 1.5 is a linear servo sliding table module; the first rotary driving mechanism 1.16 is a gear transmission mechanism driven by a motor; the second rotary driving mechanism 1.36 is a gear transmission mechanism driven by a servo motor.
As shown in fig. 6, the system 200 for purifying and treating waste gas by wet absorption method comprises the mixing agitator 100, and the system 200 further comprises an absorption purification treatment container 2.1, an absorption liquid source 2.2, an absorption liquid receiving part 2.3, a waste gas source 2.4 and a gas receiving part 2.5; the supporting flat plate 1.11 is installed at the outer top of the absorption and purification treatment container 2.1, the first vertical gas guide pipe 1.12 is in rotary seal fit with and penetrates through the top of the absorption and purification treatment container 2.1, and the supporting transverse plate 1.2, the long pneumatic rotary stirring unit 1.3, the short pneumatic rotary stirring unit 1.4 and the two translation driving mechanisms 1.5 are all located in the absorption and purification treatment container 2.1; the absorption liquid source 2.2 supplies absorption liquid to the absorption and purification treatment container 2.1 through a liquid inlet pipeline 2.20, the absorption liquid receiving part 2.3 receives the absorption liquid discharged from the absorption and purification treatment container 2.1 through a liquid outlet pipeline 2.30, the waste gas source 2.4 introduces waste gas into the absorption and purification treatment container 2.1 through a gas inlet pipeline, and the gas receiving part 2.5 receives gas discharged from the absorption and purification treatment container 2.1 through a gas outlet pipeline 2.50.
In the present invention, preferably, at least one aeration disc 2.6 is disposed at the bottom of the absorption and purification treatment container 2.1, the air outlet end of the air inlet pipeline is communicated with the aeration disc 2.6, the waste gas introduced into the aeration disc 2.6 is exposed from the aeration holes 2.60 to form small waste gas bubbles of dense hemp, and the waste gas is initially introduced into the absorption liquid and is in a diffusion state by the gas distribution function of the aeration disc 2.6, so that the waste gas can be more fully contacted with the absorption liquid, and the efficiency of waste gas purification treatment is further improved.
The method for purifying and treating the waste gas by a wet absorption method comprises the matched system 200 and comprises the following specific steps:
step S1: the absorption liquid of the absorption liquid source 2.2 is supplied into the absorption and purification treatment container 2.1 through a liquid inlet pipeline 2.20, the waste gas of the waste gas source 2.4 is led into an aeration disc 2.6 at the bottom in the absorption and purification treatment container 2.1 through a gas inlet pipeline, and the waste gas in the aeration disc 2.6 is exposed from an aeration hole 2.60 to form small dense and hemp waste gas bubbles;
step S2: synchronously starting the translation driving mechanism 1.5, the first rotation driving mechanism 1.16, the second rotation driving mechanism 1.36 and the air supply pump 1.15;
while the long pneumatic rotary stirring unit 1.3 and the short pneumatic rotary stirring unit 1.4 are driven by the first rotary driving mechanism 1.16 to rotate in the circumferential direction of the first vertical air guide pipe 1.12, the long pneumatic rotary stirring unit 1.3 and the short pneumatic rotary stirring unit 1.4 are driven by the corresponding translation driving mechanism 1.5 to translate back and forth along the length direction of the strip-shaped opening 1.20, each pneumatic elastic stirring disc 1.37 is driven by the second rotary driving mechanism 1.36 to rotate in the circumferential direction of the second vertical air guide pipe 1.32, and the air supply pump 1.15 supplies external air to each pneumatic elastic stirring disc 1.37;
the stirring blade 1.373 rotates and stirs the absorption liquid, air in the air storage cavity of the hollow disk body 1.371 is ejected from the air outlet 1.3710 to form an air column to pneumatically impact and stir the absorption liquid, the dense and hemp small waste gas bubbles float upwards in the absorption liquid, the dense and hemp small waste gas bubbles are fully mixed and contacted with the absorption liquid under the double stirring action of rotation stirring and pneumatic stirring in the floating process, the absorption liquid thoroughly absorbs pollutants in the waste gas, and the purification treatment of the waste gas is realized;
step S3: the gas discharged from the absorption purification treatment container 2.1 is conveyed to a gas receiving place 2.5 through a gas outlet pipeline 2.50;
step S4: the absorption liquid discharged from the absorption purification treatment vessel 2.1 is transported to the absorption liquid receiving place 2.3 through the liquid outlet line 2.30.
The purification treatment method disclosed by the invention is reasonable in layout, standard in operation and suitable for large-scale popularization.
The above is the preferred embodiment 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 (10)
1. Wet-type absorption purification treatment waste gas's mixing agitator, its characterized in that: the blending stirrer (100) comprises a total rotary air supply supporting platform (1.1), a supporting transverse plate (1.2), a long pneumatic rotary stirring unit (1.3), a short pneumatic rotary stirring unit (1.4) and two translation driving mechanisms (1.5);
the overall rotary air supply supporting platform (1.1) comprises a supporting flat plate (1.11), a first vertical air duct (1.12), a first rotary joint (1.13), a first hard air supply pipe (1.14), an air supply pump (1.15) and a first rotary driving mechanism (1.16); the first vertical air duct (1.12) and the support flat plate (1.11) are perpendicular to each other and penetrate through the support flat plate (1.11) in a rotating fit mode, the upper end of the first vertical air duct (1.12) is in butt joint with the air outlet end of the first hard air supply pipe (1.14) through a first rotating joint (1.13), the lower end of the first vertical air duct (1.12) is of a blocking structure and is fixedly connected with the middle position of the support transverse plate (1.2), the air outlet end of the air supply pump (1.15) installed on the support flat plate (1.11) is in butt joint with the air inlet end of the first hard air supply pipe (1.14), and the rotating driving force of the first vertical air duct (1.12) is provided through the first rotating driving mechanism (1.16);
the supporting transverse plate (1.2) is vertically provided with two strip-shaped openings (1.20) in a penetrating manner along the length direction, the two strip-shaped openings (1.20) are symmetrical about a first vertical air duct (1.12), the long pneumatic rotary stirring unit (1.3) and the short pneumatic rotary stirring unit translational driving mechanism (1.6) respectively correspond to one strip-shaped opening (1.20), the two translational driving mechanisms (1.5) are respectively arranged on the supporting transverse plate (1.2) and are respectively positioned at the length sides of the corresponding strip-shaped openings (1.20), and the long pneumatic rotary stirring unit translational driving mechanism (1.4) and the short pneumatic rotary stirring unit translational driving mechanism (1.6) are respectively driven by the corresponding translational driving mechanisms (1.5) to realize translation;
the long pneumatic rotary stirring unit (1.3) and the short pneumatic rotary stirring unit (1.4) are identical in structure, and the long pneumatic rotary stirring unit (1.3) or/and the short pneumatic rotary stirring unit (1.4) comprises a connecting plate (1.31), a second vertical air duct (1.32), a second rotary joint (1.33), a second hard air supply pipe (1.34), a soft air supply pipe (1.35), a second rotary driving mechanism (1.36) and a pneumatic elastic stirring disc (1.37); the connecting plate (1.31) is arranged on the translation driving mechanism (1.5); the lower end of the second vertical air duct (1.32) is blocked, the upper end of the second vertical air duct is provided with a connecting duct orifice (1.320), the connecting duct orifice (1.320) penetrates through the strip-shaped opening (1.20) and is arranged by rotating and matching to penetrate through the connecting plate (1.31), the connecting duct orifice (1.320) is communicated with the first vertical air duct (1.12) through a second rotating joint (1.33), a second hard air supply pipe (1.34) and a soft air supply pipe (1.35) in sequence, and the second hard air supply pipe (1.34) is fixedly installed on the connecting plate (1.31) through a pipe fitting connecting piece (1.340); the second rotary driving mechanism (1.36) is in driving connection with the connecting pipe orifice (1.320); the pneumatic elastic stirring discs (1.37) are concentrically and fixedly arranged on the second vertical air guide pipes (1.32), a plurality of pneumatic elastic stirring discs (1.37) which keep the same vertical interval L are uniformly distributed on the same second vertical air guide pipe (1.32), an air storage cavity of each pneumatic elastic stirring disc (1.37) is communicated with the second vertical air guide pipe (1.32), and the pneumatic elastic stirring discs (1.37) to which the long pneumatic rotary stirring units (1.3) belong and the pneumatic elastic stirring discs (1.37) to which the short pneumatic rotary stirring units (1.4) belong are mutually distributed in a staggered manner in the horizontal direction;
the long pneumatic rotary stirring unit (1.3) and the short pneumatic rotary stirring unit (1.4) are driven by the first rotary driving mechanism (1.16) to rotate along the circumferential direction of the first vertical air guide pipe (1.12), the long pneumatic rotary stirring unit (1.3) and the short pneumatic rotary stirring unit (1.4) are driven by the corresponding translation driving mechanism (1.5) to translate back and forth along the length direction of the strip-shaped opening (1.20), and the pneumatic elastic stirring discs (1.37) are driven by the second rotary driving mechanism (1.36) to rotate along the circumferential direction of the second vertical air guide pipe (1.32).
2. The mixing agitator for purifying waste gas by wet absorption method according to claim 1, wherein: the translation relation between the long pneumatic rotating and stirring unit (1.3) and the short pneumatic rotating and stirring unit (1.4) is the cyclic switching between opposite translation and back translation, or the same-direction translation.
3. The mixing agitator of the wet absorption purification treatment waste gas according to claim 2, characterized in that: the long pneumatic rotary stirring unit (1.3) and the short pneumatic rotary stirring unit (1.4) are circularly switched between opposite translation and opposite translation, and the pneumatic elastic stirring discs (1.37) of the long pneumatic rotary stirring unit (1.3) and the pneumatic elastic stirring discs (1.37) of the short pneumatic rotary stirring unit (1.4) mutually extend into the vertical space L of each other under the condition that the limit of the opposite translation is close to each other.
4. The mixing agitator of the wet absorption purification treatment waste gas according to claim 2, characterized in that: the long pneumatic rotary stirring unit (1.3) and the short pneumatic rotary stirring unit (1.4) translate in the same direction.
5. The mixing agitator of the wet absorption purification treatment waste gas according to claim 2, characterized in that: the pneumatic elastic stirring disc (1.37) comprises a hollow disc body (1.371), a hinge (1.372), a stirring blade (1.373) and an elastic connecting piece (1.374); the hollow disc body (1.371) is concentrically and fixedly arranged on the second vertical air duct (1.32), the tube wall of the second vertical air duct (1.32) enclosed by the hollow disc body (1.371) is provided with an air vent (1.321), the inner space of the hollow disc body (1.371) is an air storage cavity of the pneumatic elastic stirring disc (1.37), and the air storage cavity is communicated with the second vertical air duct (1.32) through the air vent (1.321); the surface of the hollow disc body (1.371) is densely distributed with air outlet holes (1.3710), and the air outlet holes (1.3710) are distributed on the upper surface and the lower surface of the hollow disc body (1.371); the stirring blades (1.373) are hinged through hinges (1.372) respectively and distributed on the outer periphery of the hollow disc body (1.371) in a circumferential array manner, the hinging direction of the stirring blades (1.373) is along the circumferential direction of the hollow disc body (1.371), and adjacent stirring blades (1.373) are elastically interconnected through elastic connecting pieces (1.374).
6. The mixing agitator of the wet absorption purification treatment waste gas according to claim 5, characterized in that: the elastic connecting piece (1.374) is a spring.
7. The mixing agitator of the wet absorption purification treatment waste gas according to claim 5, characterized in that: the translation driving mechanism (1.5) is a linear servo sliding table module; the first rotary driving mechanism (1.16) is a gear transmission mechanism driven by a motor; the second rotary driving mechanism (1.36) is a gear transmission mechanism driven by a servo motor.
8. The system of claim 5, wherein the wet absorption process is used to purify the waste gas by: the matching system (200) comprises the blending stirrer (100), and the matching system (200) further comprises an absorption and purification treatment container (2.1), an absorption liquid source (2.2), an absorption liquid receiving part (2.3), a waste gas source (2.4) and a gas receiving part (2.5);
the supporting flat plate (1.11) is installed at the outer top of the absorption and purification treatment container (2.1), the first vertical gas guide pipe (1.12) is in rotary sealing fit with the top of the absorption and purification treatment container (2.1) in a penetrating mode, and the supporting transverse plate (1.2), the long pneumatic rotary stirring unit (1.3), the short pneumatic rotary stirring unit (1.4) and the two translation driving mechanisms (1.5) are all located in the absorption and purification treatment container (2.1);
the absorption liquid source (2.2) supplies absorption liquid to the absorption and purification treatment container (2.1) through a liquid inlet pipeline (2.20), the absorption liquid receiving part (2.3) receives the absorption liquid discharged from the absorption and purification treatment container (2.1) through a liquid outlet pipeline (2.30), the waste gas source (2.4) introduces waste gas into the absorption and purification treatment container (2.1) through a gas inlet pipeline, and the gas receiving part (2.5) receives the gas discharged from the absorption and purification treatment container (2.1) through a gas outlet pipeline (2.50).
9. The system of claim 8, wherein the wet absorption process is used to purify the waste gas by: at least one aeration disc (2.6) is arranged at the bottom in the absorption and purification treatment container (2.1), the air outlet end of the air inlet pipeline is communicated with the aeration disc (2.6), and waste gas led into the aeration disc (2.6) is exposed from the aeration holes (2.60) to form small waste gas bubbles of dense and hemp.
10. The method of wet absorption for scrubbing an effluent gas as set forth in claim 9, wherein: the method comprises the matching system (200) and comprises the following specific steps:
step S1: the absorption liquid of the absorption liquid source (2.2) is supplied into the absorption and purification treatment container (2.1) through a liquid inlet pipeline (2.20), the waste gas of the waste gas source (2.4) is introduced into an aeration disc (2.6) at the bottom in the absorption and purification treatment container (2.1) through a gas inlet pipeline, and the waste gas in the aeration disc (2.6) is exposed from aeration holes (2.60) to form small waste gas bubbles of dense ramie;
step S2: synchronously starting a translation driving mechanism (1.5), a first rotation driving mechanism (1.16), a second rotation driving mechanism (1.36) and an air supply pump (1.15);
the long pneumatic rotary stirring unit (1.3) and the short pneumatic rotary stirring unit (1.4) are driven by the first rotary driving mechanism (1.16) to rotate in the circumferential direction of the first vertical air guide pipe (1.12), the long pneumatic rotary stirring unit (1.3) and the short pneumatic rotary stirring unit (1.4) are driven by the corresponding translation driving mechanism (1.5) to translate back and forth along the length direction of the strip-shaped opening (1.20), each pneumatic elastic stirring disc (1.37) is driven by the second rotary driving mechanism (1.36) to rotate in the circumferential direction of the second vertical air guide pipe (1.32), and the air supply pump (1.15) supplies external air to each pneumatic elastic stirring disc (1.37);
the stirring blade (1.373) rotationally stirs the absorption liquid, air in the air storage cavity of the hollow disk body (1.371) is ejected from the air outlet (1.3710) to form an air column to pneumatically impact and stir the absorption liquid, the dense and hemp small waste gas bubbles float upwards in the absorption liquid, the dense and hemp small waste gas bubbles are fully mixed and contacted with the absorption liquid under the double stirring action of the rotational stirring and the pneumatic stirring in the upwards floating process, the absorption liquid thoroughly absorbs pollutants in the waste gas, and the purification treatment of the waste gas is realized;
step S3: the gas discharged from the absorption and purification treatment container (2.1) is conveyed to a gas receiving place (2.5) through a gas outlet pipeline (2.50);
step S4: the absorption liquid discharged from the absorption purification treatment container (2.1) is conveyed to an absorption liquid receiving place (2.3) through a liquid outlet line (2.30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011575453.9A CN112827375A (en) | 2020-12-28 | 2020-12-28 | Mixing stirrer, matching system and method for purifying waste gas by wet absorption method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011575453.9A CN112827375A (en) | 2020-12-28 | 2020-12-28 | Mixing stirrer, matching system and method for purifying waste gas by wet absorption method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109892A (en) * | 2021-11-08 | 2022-03-01 | 北新集团建材股份有限公司 | Foaming pump |
| CN116920682A (en) * | 2023-09-13 | 2023-10-24 | 泉州市创达机械制造有限公司 | Stirring device for wet towel production and production process thereof |
| CN116983871A (en) * | 2023-09-20 | 2023-11-03 | 常州登达适医疗科技有限公司 | Gas-liquid mixing and stirring device and stirring method thereof |
-
2020
- 2020-12-28 CN CN202011575453.9A patent/CN112827375A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109892A (en) * | 2021-11-08 | 2022-03-01 | 北新集团建材股份有限公司 | Foaming pump |
| CN116920682A (en) * | 2023-09-13 | 2023-10-24 | 泉州市创达机械制造有限公司 | Stirring device for wet towel production and production process thereof |
| CN116920682B (en) * | 2023-09-13 | 2023-12-05 | 泉州市创达机械制造有限公司 | Stirring device for wet towel production and production process thereof |
| CN116983871A (en) * | 2023-09-20 | 2023-11-03 | 常州登达适医疗科技有限公司 | Gas-liquid mixing and stirring device and stirring method thereof |
| CN116983871B (en) * | 2023-09-20 | 2023-12-01 | 常州登达适医疗科技有限公司 | Gas-liquid mixing and stirring device and stirring method thereof |
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