CN102872694A - Device for purifying gas through liquid phase mediums - Google Patents
Device for purifying gas through liquid phase mediums Download PDFInfo
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- CN102872694A CN102872694A CN2012102776709A CN201210277670A CN102872694A CN 102872694 A CN102872694 A CN 102872694A CN 2012102776709 A CN2012102776709 A CN 2012102776709A CN 201210277670 A CN201210277670 A CN 201210277670A CN 102872694 A CN102872694 A CN 102872694A
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Abstract
The invention discloses a device for purifying gas through liquid phase mediums and belongs to the technical field of waste gas treatment in environment protection. Firstly, spray nozzles are arranged on a flue gas inlet pipe, then the contact surface of to-be-purified gas and the flue gas inlet pipe can be enlarged, and thinned liquid drops can fully react with flowing gas as far as possible; afterwards, pressurized to-be-purified gas is impacted with liquid, and then the to-be-purified gas which is purified forms a gas-liquid mixed body in a purifying chamber and upwards penetrates through a screen stencil at the upper part of the purifying chamber; and gas-liquid fluid columns penetrate through meshes and are mixed again, then part of liquid is left on the screen stencil to form a circulating washing liquid layer, and part of gas-liquid fluid columns are pressurized and dissolved in liquid when penetrating in the washing liquid layer so as to capture and absorb particulate matters and to-be-removed gas, and finally penetrate through the washing liquid layer to be discharged into the atmosphere. The device can capture and absorb particulate matters and to-be-removed gas in to-be-purified gas, and has the advantages of simple structure, reliability in operation, and high purification efficiency.
Description
Technical field
The present invention relates to a kind ofly utilize liquid phase medium to remove the granule foreign in the gas and be mingled in the wherein device of prodigiosin gaseous matter of different nature, belong to technical field of waste gas treatment in the environmental protection.
Background technology
Adopt both at home and abroad usually two step method to process the pernicious gas that contains dust, namely adopt the granule materials of removing behind electrostatic precipitation or the bag-type dust in the gas, carry out subsequent treatment with wet method again.Gas purifier changes traditional gas-liquid contact mode into impact type by fountain, has greatly improved the gas-liquid mass transfer condition by the screen disc structure, has increased the gas-liquid contact area, reaches the purpose of Purge gas.But only adopt the still difficult requirement of satisfying the processing of complicated component flue gas of this clarifier, be difficult to the purification efficiency that reaches desirable.
Summary of the invention
The object of the present invention is to provide after a kind of improve the liquid phase medium gas purification of (in conjunction with the spray atomizing method) to process new equipment, to the particle in the preliminary clearning gas with catch and absorb except gas in advance, simple in structure, reliable, purification efficiency is high.
Technical scheme of the present invention is: 1. spray atomizing: lay nozzle at the smoke inlet pipe place, increase and the contact-making surface that is cleaned gas, make the refinement drop as far as possible with flow under gas fully react.2. preliminary purification: the preliminary clearning gas that will have pressure impacts liquid, makes the part particulate material in the preliminary clearning gas and remove in advance gas and to be captured after liquid contacts and absorb.3. refinement purifies: form gas liquid mixture through the preliminary clearning gas behind the primary purifying in it purifies the chamber, and be upward through the screen cloth that purifies top, chamber, screen cloth resolves into several gas-liquid flow scapus with the gas liquid mixture refinement, and liquid medium is caught and absorption except gas is further with pre-the particulate matter in the mixed body of gas-liquid.4. washing, purifying: the gas-liquid flow scapus mixes after passing mesh again, and at the sliding washing liquid layer that stays partially liq to form circulation of screen cloth, and part gas-liquid flow scapus penetrate washing pressurized during liquid layer, dissolve in the liquid, to particulate matter and pre-except gas seizure and absorption, pass at last the washing liquid layer and enter in the atmosphere.
The present invention is the device of the liquid phase medium Purge gas after a kind of the improvement, comprise the gas outlet cylindrical shell, be laid in the interior refinement guard of cylindrical shell, be contained in the air inlet pipe on the cylindrical shell and be laid in nozzle in the air inlet pipe, wherein the refinement guard comprise hollow cover body, be connected to the screen cloth on cover body top and be laid in the radial blade that the screen cloth top play the guiding role, the outside of cover body top outer or radial blade has liquid retaining ring, air inlet pipe is passed cover body and is linked to each other with its sealing, and nozzle is laid in the air inlet pipe.
The present invention with preliminary clearning gas through the nozzle spray atomizing, just the refinement drop as far as possible with flow under gas fully react, the gas that will have again certain pressure is pressed in the liquid, make preliminary clearning gas impact liquid, the larger particles material is at the bottom of pouring liquid and sinking to the pond in the gas under inertia and the Action of Gravity Field, less or lighter particulate matter and gas then mix the formation gas liquid mixture in purifying the chamber, gas liquid mixture makes progress and impacts the refinement guard simultaneously, the gas-liquid mixture that purifies in the chamber is mixed effectively, contact-impact, gas liquid mixture is cut apart, refinement, be decomposed to form the gas-liquid flow scapus, reach gas to the purpose of liquid mass transfer, simultaneously at gas liquid mixture during by the refinement guard, further catch and absorb particulate material less or lighter in the gas liquid mixture and remove in advance gas.The gas-liquid flow scapus is in the moment of passing the refinement guard, the lower gas-liquid flow scapus of pressure is under the effect of its gravity and liquid affinity, regroup, form certain thickness washing liquid layer on the top of screen cloth, and form circulation along with the increase of gas-liquid flow scapus, and the larger gas-liquid flow scapus of pressure pressure and inertia member with under, when passing by force the washing liquid layer, apply certain pressure by liquid layer, the surface area that is the gas-liquid flow scapus can contact with the washing liquid layer effectively, this washing liquid layer is thicker, the pressure that acts on gas is larger, by the particulate material in the continuous seizure of washing liquid layer and the absorption gas-liquid flow scapus and the pre-gas that removes, simultaneously when the gas-liquid flow scapus passes through the washing liquid layer, gas-liquid flow scapus and apparent motion resistance thereof are large, the resistance of motion and movement velocity from the surface to the center weaken gradually and increase gradually, make each gas molecule in the gas-liquid flow scapus and particle at the volley the heart constantly change relative position, gas is fully contacted with liquid, improve gas cleaning efficient.
The present invention adopts the beneficial effect that has after the technique scheme to be:
(1) the present invention adopts the nozzle spray atomizing, and the refinement drop is fully reacted with the lower gas that flows as far as possible, and by refinement guard increase gas-liquid contact area, the gas purification efficiency rate is very high.
(2) the present invention be owing to can and pre-catch simultaneously and absorb except gas particle, and purifier is simple in structure, has improved the reliability of whole purifier work.
(3) the present invention is take water as purification medium, and the flue gas that can be used for stove, boiler is processed, and efficiency of dust collection is more than 99.9%, and desulfurization degree is more than 99.6%.
(4) the present invention adopts acidifying high potential water as purification medium, can be used for the air cleaning of the public places such as hospital, hotel, office building.
(5) the present invention adopts the high potential oxidize water to can be used for the air cleaning of livestock and poultry farm as purification medium, effectively kills except viruses such as influenzas.
(6) the present invention adopts alkaline water to can be used for the purification of coal tar chemical industry hydrophily body as purification medium.When (7) the present invention adopts organic solvent as purification medium, can be used for the purification of industrial gasses.
Description of drawings
Fig. 1 is one of structural representation of the present invention;
Fig. 2 is two of structural representation of the present invention;
Fig. 3 is the structural representation of nozzle;
Fig. 4 is the layout section of nozzle in air inlet pipe;
Fig. 5 is the structural scheme of mechanism of refinement guard.
Wherein, 1-air inlet pipe; The 2-nozzle; 3-refinement guard: 3-1 sieve; The 3-2 cover body; The 3-3 liquid retaining ring; The 4-liquid supplementation pipe; The 5-cylindrical shell; The 5-1 gas outlet; The 5-2 sewage draining exit; The 6-overflow pipe; The broken liquid dish of 7-arc: 8-cone; The 9-rolling element; 10-backflow liquid barrier; The 11-overflow pipe.
The specific embodiment
The present invention is that new equipment is processed in the liquid phase medium gas purification of (in conjunction with the spray atomizing method) after a kind of the improvement, at first carry out spray atomizing: lay nozzle at the smoke inlet pipe place, increase and the contact-making surface that is cleaned gas, make the refinement drop as far as possible with flow under gas fully react.
Preliminary purification: the preliminary clearning gas that will have pressure impacts liquid, the dust of larger particles is at the bottom of pouring liquid and sinking to the pond in the gas under inertia and the Action of Gravity Field, makes the part particulate material in the preliminary clearning gas be captured except gas and after liquid contacts and absorb with pre-.
Refinement purifies: form gas liquid mixture through the preliminary clearning gas behind the primary purifying in it purifies the chamber, a kind of method is when preliminary clearning gas is impacted liquid, changed the flow direction enters in the purification chamber by liquid obscures, make preliminary clearning gas and impacted and produce the partially liq that splashes and form gas liquid mixture, or in purifying the chamber, preliminary clearning gas and liquid are carried out mechanical agitation formation gas liquid mixture, as adopt pump valve etc. that preliminary clearning gas and liquid are stirred, the gas mixture is upward through the screen cloth that purifies top, chamber, screen cloth resolves into several gas-liquid flow scapus with the gas liquid mixture refinement, when gas liquid mixture is clamp-oned the screen cloth aperture under pressure, the minimizing of passage bore, flow velocity increases, pressure increases, and makes gas, liquid mixes effectively, contact-impact improves gas medium to the effect of liquid medium mass transfer.
Washing, purifying: the gas-liquid flow scapus mixes after passing mesh again, be detained the washing liquid layer that partially liq forms circulation at screen cloth, since gas liquid mixture pass mesh be divided into trickle gas-liquid flow scapus pierce the washing liquid layer in, this washing liquid layer is rushed to open and allows gas column pass, the washing liquid layer is under action of gravitation, each point pressure reduces gradually from bottom to top, when walking liquid layer, the gas-liquid flow scapus need overcome the pressure that liquid layer acts on gas, make the gas-liquid flow scapus in walking the liquid layer process, all the time exist interaction force between gas-liquid two-phase, under the effect of this active force, gas-liquid flow scapus density increases, improve mass transfer rate, it is thicker that wash liquid layer this moment, it is longer that the gas-liquid flow scapus is walked stroke, the diffusion time of the gas of all the other removals is also longer, dissolve in then that to reach preliminary clearning gas in the liquid just more abundant, but simultaneously because fluid pressure is walked the also gradually decline of extruding of gas-liquid flow scapus to rising, cause the synchronous increase of gas-liquid flow scapus diameter, corresponding preliminary clearning gas is weakened to the mass-transfer efficiency in the water.Simultaneously, part gas-liquid flow scapus dissolves in the liquid to penetrate washing pressurized during liquid layer, to particulate matter with catch and absorb except gas in advance, passes at last the washing liquid layer and enters in the atmosphere.
The present invention purifies the screen cloth multiple-layer stacked on top, chamber, continuous several times catches the particulate material in the preliminary clearning gas and gas and absorbs, the screen cloth of multilayer and washing liquid layer, can reduce the gas-liquid flow scapus and clamp-on the required initial pressure of washing liquid layer, also playing increases gas-liquid flow scapus and effective contact area of washing liquid layer, improves clean-up effect.
The device of the liquid phase medium Purge gas after the present invention improves as shown in Figure 1, 2, comprise cylindrical shell 5, the refinement guard 3 in being located at cylindrical shell 5 with gas outlet 5-1 and be installed in air inlet pipe on the cylindrical shell 5, cylindrical shell 5 connects and composes for the more piece stack shell, upper stack shell is placed in the notch of stack shell and with liquid and realizes sealing, and be provided with the overflow mouth of pipe in its junction, cylindrical shell 5 can be cylindrical, it also can be the square section type, can be made into metal shell or brick mix structure is made overall structure, preservative treatment is done in bottom and liquid contacting part position.Nozzle arrangements schematic diagram of the present invention comprises the compositions such as valve, nozzle as shown in Figure 3, and four nozzles are laid along dislocation in the pipe along air inlet pipe 1, the layout section of nozzle in air inlet pipe as shown in Figure 4, the angle of each nozzle on section is mutually 90 °.Refinement purifies guard 3 as shown in the figure, the cover body 3-2 that comprises hollow, be connected to cover body top with screen cloth 3-1 and be arranged on the radial blade that screen cloth top play the guiding role, the outside on cover body 3-2 top or the outside, the limit of radial blade have liquid retaining ring 3-3, air inlet pipe is passed cover body 3-2, place the middle part of cover body 3-2, air inlet pipe 1 can adopt wearability and the good metal material of acid resistance to make round exit, distance is controlled between the 0-200mm between the exit face of air inlet pipe 1 and the liquid level, can require to set according to admission pressure, its air inlet pipe 1 and cover body 3-2 fixed seal connection, air inlet pipe 1 relatively rotates and seals with cover body 3-2, respectively save by mutual grafting between air inlet pipe 1 and the cover body 3-2 and realize hydraulic seal in the groove, prevent that not only liquid from entering top between cover body 3-2 and air inlet pipe 1, cover body 3-2 is rotated with respect to air inlet pipe, liquid is stirred, the goose distance is controlled between the 0-200mm between screen cloth lower surface and the liquid level, can be according to the pressure of air inlet pipe 1 interior gas, flow velocity decides, and the spacing of being easy to act as screen cloth 3-2 and liquid level most is controlled between the 10-150mm.
Refinement guard 3 of the present invention as shown in the figure, descending a plurality of being nested with under upper, can be at 1-10 layer or more shrouds, mesh size from top to bottom is gradually large, between adjacent cover body, be laid with the rolling element that makes the relative motion of two cover bodies energy, this rolling element by roller and be fixed on cover body and air inlet pipe on wheel be configured to, roller is connected on each wheel carrier, each cover body 3-2 can freely be rotated, guarantee that every layer purifies each position in the chamber and flow velocity and gas-liquid mixture and more effectively stirs, and mix and refinement, and screen cloth 3-1 top exists the liquid in the liquid retaining ring 3-3 that gas is carried out the washing absorption purification simultaneously.The flexible rotating of screen cloth 3-1 makes gas-liquid mixture when interspersed crossing, and constantly changes the direction of motion, is conducive to wash the uniformity of liquid layer and the fluctuation of air motion.
As shown in Figure 1, be positioned at the bottom of inlet pipe 1, on cylindrical shell 5, also be connected with cone 8, cavity between air inlet pipe 1 and the cone 8 is variable cross-section, air-flow change flow velocity and guide effect when the variable cross-section, air-flow is imported in the liquid, to reduce the turbulent flow of air-flow, improve clean-up effect.
The present invention also has liquid supplementation pipe 4, liquid supplementation pipe 4 can be passed the top that cone 8 its liquid outlets are laid in cone 8, perhaps the liquid outlet of liquid supplementation pipe 4 is at the top that is located at cone 8, perhaps liquid supplementation pipe 4 is ring pipe, and a plurality of nozzles are arranged on the pipe, but 1-3 laying of this annular liquid supplementation pipe, the preliminary clearning gas that can not only make return rising by fluid infusion with mix and will be stirred night, mix and dilution, gas has arrived the effect of regulating liquid melting concn ratio, and be beneficial to larger gas liquid mixture fragmentation and Uniform Dispersion, make it to keep the relative homogeneity of gas-liquid mixed, reach the best proportioning of air-flow, also be provided with the overflow pipe 6 of adjustable liquid level height in the bottom of cylindrical shell.
As shown in the figure, the present invention is positioned at cylindrical shell 5 exits, level or tilting backflow liquid barrier 10 are housed in the cylindrical shell, the rear downside of backflow liquid barrier 10 is laid the collecting tank that upwards bends up, under the liquid pearl of taking out of with air-flow is subject to refluxing the effect of liquid barrier 10, changes the air current flow direction, and drop in the collecting tank, and to the liquid pool of bottom, backflow liquid barrier 10 of the present invention is that multilayer is oppositely laid.
The present invention is in the face of the outlet of air inlet pipe 1, also have in the broken liquid dish 7 of arc of smashing liquid group, has the projection with through hole on the broken liquid dish 7 of arc, and adjacent protrusion shifts to install, when being subjected to gas shock, purify the liquid in the chamber in the liquid pool and descend, purify the liquid outside the chamber and raise, form certain pressure reduction and stream pressure balance, be subject to the reaction force of liquid and change direction and enter and purify the chamber after air-flow imports, impacted simultaneously producing the partially liq that splashes and form big and small liquid group by gas, wherein less liquid group follows air motion, and larger liquid group under Action of Gravity Field, again call in liquid pool.In order to increase the mixed effect of air-flow and liquid, the projection of the broken liquid dish of arc can make larger liquid group when falling after rise, stopped by the broken liquid dish 7 of arc and continue along airflow direction to move, bump projection when returning, cause liquid to roll into a ball broken refinement, again can be taken away to rush at by air-flow and purify in the chamber, then enter refinement guard top, form the washing liquid layer.
Claims (3)
1. the device of a liquid phase medium Purge gas is characterized in that:
(1) spray atomizing: lay nozzle at the smoke inlet pipe place, increase and the contact-making surface that is cleaned gas, make the refinement drop as far as possible with flow under gas fully react;
(2) preliminary purification: the preliminary clearning gas that will have pressure impacts liquid, makes the part particulate material in the preliminary clearning gas and remove in advance gas and to be captured after liquid contacts and absorb;
(3) refinement purifies: form gas liquid mixture through the preliminary clearning gas behind the primary purifying in it purifies the chamber, and be upward through the screen cloth that purifies top, chamber, screen cloth resolves into several gas-liquid flow scapus with the gas liquid mixture refinement, and liquid medium is caught and absorption except gas is further with pre-the particulate matter in the gas liquid mixture;
(4) washing, purifying: the gas-liquid flow scapus mixes after passing mesh again, and be detained the washing liquid layer that partially liq forms circulation at screen cloth, and part air flow stream scapus penetrate washing pressurized during liquid layer, dissolve in the liquid, to particulate matter and pre-except gas seizure and absorption, pass at last the washing liquid layer and enter in the atmosphere.
2. the device of a kind of liquid phase medium Purge gas according to claim 1 is characterized in that: comprise the gas outlet cylindrical shell, be laid in the interior refinement guard of cylindrical shell, be contained in the air inlet pipe on the cylindrical shell and be laid in nozzle in the air inlet pipe.
3. the device of a kind of liquid phase medium Purge gas according to claim 1, it is characterized in that: the refinement guard comprise hollow cover body, be connected to the screen cloth on cover body top and be laid in the radial blade that the screen cloth top play the guiding role, the outside of cover body top outer or radial blade has liquid retaining ring, air inlet pipe is passed cover body and is linked to each other with its sealing, and nozzle is laid in the air inlet pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102776709A CN102872694A (en) | 2012-08-03 | 2012-08-03 | Device for purifying gas through liquid phase mediums |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012102776709A CN102872694A (en) | 2012-08-03 | 2012-08-03 | Device for purifying gas through liquid phase mediums |
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| CN102872694A true CN102872694A (en) | 2013-01-16 |
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| CN2012102776709A Pending CN102872694A (en) | 2012-08-03 | 2012-08-03 | Device for purifying gas through liquid phase mediums |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103127800A (en) * | 2013-03-25 | 2013-06-05 | 常州华钛化学股份有限公司 | High-efficiency CO2 absorption and separation device and method |
| CN105194960A (en) * | 2015-08-27 | 2015-12-30 | 常州大学 | Integrated treatment device for removing PM2.5 and heavy metal particulate matter in exhaust gas |
| CN107551781A (en) * | 2017-09-28 | 2018-01-09 | 苏州百硕自动化环保设备有限公司 | A kind of centrifugal flue gas secondary purification device |
| CN107551789A (en) * | 2017-09-28 | 2018-01-09 | 苏州百硕自动化环保设备有限公司 | A kind of centrifugal smoke eliminator |
| CN108393195A (en) * | 2018-02-06 | 2018-08-14 | 常州大学 | A kind of wet method removing PM2.5 devices |
| CN111957144A (en) * | 2020-08-23 | 2020-11-20 | 陈美林 | Wet type mixed dust remover |
| CN113996168A (en) * | 2021-12-07 | 2022-02-01 | 北京北排装备产业有限公司 | Efficient chemical deodorization device and method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1712105A (en) * | 2005-05-09 | 2005-12-28 | 王伟强 | Air purifying method and device from liquid-phase medium |
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2012
- 2012-08-03 CN CN2012102776709A patent/CN102872694A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1712105A (en) * | 2005-05-09 | 2005-12-28 | 王伟强 | Air purifying method and device from liquid-phase medium |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103127800A (en) * | 2013-03-25 | 2013-06-05 | 常州华钛化学股份有限公司 | High-efficiency CO2 absorption and separation device and method |
| CN105194960A (en) * | 2015-08-27 | 2015-12-30 | 常州大学 | Integrated treatment device for removing PM2.5 and heavy metal particulate matter in exhaust gas |
| CN107551781A (en) * | 2017-09-28 | 2018-01-09 | 苏州百硕自动化环保设备有限公司 | A kind of centrifugal flue gas secondary purification device |
| CN107551789A (en) * | 2017-09-28 | 2018-01-09 | 苏州百硕自动化环保设备有限公司 | A kind of centrifugal smoke eliminator |
| CN107551789B (en) * | 2017-09-28 | 2023-09-15 | 池州市琼琚信息技术服务有限公司 | Centrifugal type flue gas purifying device |
| CN107551781B (en) * | 2017-09-28 | 2023-09-22 | 池州市琼琚信息技术服务有限公司 | Centrifugal type secondary flue gas purifying device |
| CN108393195A (en) * | 2018-02-06 | 2018-08-14 | 常州大学 | A kind of wet method removing PM2.5 devices |
| CN108393195B (en) * | 2018-02-06 | 2020-03-20 | 常州大学 | Wet process desorption PM2.5 device |
| CN111957144A (en) * | 2020-08-23 | 2020-11-20 | 陈美林 | Wet type mixed dust remover |
| CN111957144B (en) * | 2020-08-23 | 2022-09-16 | 陈美林 | Wet type mixed dust remover |
| CN113996168A (en) * | 2021-12-07 | 2022-02-01 | 北京北排装备产业有限公司 | Efficient chemical deodorization device and method |
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Application publication date: 20130116 |