CN109011983B - Magnetic liquid purifies gaseous pollution's dust removal and takes off dirty device - Google Patents
Magnetic liquid purifies gaseous pollution's dust removal and takes off dirty device Download PDFInfo
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- CN109011983B CN109011983B CN201810972396.4A CN201810972396A CN109011983B CN 109011983 B CN109011983 B CN 109011983B CN 201810972396 A CN201810972396 A CN 201810972396A CN 109011983 B CN109011983 B CN 109011983B
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- 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
- B01D53/34—Chemical or biological purification of waste gases
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- B01D53/34—Chemical or biological purification of waste gases
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Abstract
The invention relates to a dust-removing and decontamination device for purifying polluted gas by magnetic liquid, which effectively solves the problems of dust removal, desulfurization, denitration and VOCs removal of smoke of an industrial furnace, wherein a polluted gas inlet channel of a polluted gas flow source box is communicated with a polluted gas injection pipe; the magnetic liquid circulation pool is internally provided with a magnetic liquid suction main pipe communicated with a magnetic liquid delivery pump, and a magnetic liquid total flow outlet pipe is connected with a magnetic liquid reflux spray pipe and the magnetic liquid circulation pool.
Description
Technical Field
The invention relates to environment-friendly equipment, in particular to a dust removal and decontamination device for purifying polluted gas by magnetic liquid.
Background
With the increasingly strict requirements of society on the emission of industrial and domestic polluted gases, the national emission standards of the polluted gases are improved, and the corresponding requirements on the structure and the performance of related equipment (devices) and systems for purifying the polluted gases, namely environment-friendly equipment and systems for removing dust and dirt, are also improved.
The flue gas discharged from various kilns usually contains SO2、NOx、CO、HF、HCl、H2S、CS2、CH4Harmful gases and dust such as thiophene, carbonyl sulfide, non-methane total hydrocarbon are always important problems for cleaning and processing flue gas by adsorbing and collecting dirty flue gas (or polluted gas) containing more than two harmful components to the environment and dust particles, and the existing processing equipment is more:for example, SNCR (selective non-catalytic reduction) and SCR (selective catalytic reduction) methods are adopted for denitration in high and medium temperature regions, and fractional combustion and low-nitrogen combustion methods of high-temperature low-oxygen combustion are adopted for denitration (nitrogen oxide removal); there are also dozens of methods for desulfurization, such as calcium method, sodium method, ammonia method, magnesium method, metal oxide method, hydrogen peroxide method, organic amine method, activated coke method, etc.; the washing or electric filtering dust removal comprises a washing empty tower, a washing plate tower, venturi tube washing, dynamic wave washing, a wet electric dust remover, a bag type filtration method and the like; the organic pollution gas treatment adopts adsorption washing and flue gas afterburning, heating and oxidation methods and the like.
At present, an EDV method, a LoTOxTM method, a WGS + method or a method for improving by simulating the basic principle are also introduced domestically, the methods integrate denitration, desulfurization and dust removal in the same device and system, and due to the problems of equipment, the problems of high investment cost, high operation cost, serious equipment corrosion, insufficient treatment depth and the like exist in the use process. The integrated wet-process ultra-clean treatment of integrated wet-process denitration, desulfurization and dust removal, which is economical, simple, efficient and long-period in operation, is always the direction of people to try to explore. In fact, in the technical field of dust removal and decontamination of industrial flue gas, the domestic and foreign knowledge and practice are not much different and are all in the processes of advancing, innovation and development, so the citing of foreign technologies is necessary to be cautious, and the dust removal and decontamination device and system with investment saving, technical innovation and convenient operation should be summarized and developed in practice. The dust and dirt removing device system for purifying the polluted gas by the magnetic liquid is provided, and the device system is a technical innovation of dust and dirt removing of the polluted gas, but has no public reports.
Disclosure of Invention
In view of the above situation, in order to overcome the defects of the prior art, the present invention aims to provide a dust removal and decontamination apparatus for purifying polluted gas by magnetic liquid, which can effectively solve the problems of dust removal, desulfurization, denitration and VOCs (organic volatile compounds) removal of various polluted gases (including flue gas, fuel gas and environmental gas), provide flue gas purification for industrial furnaces such as boilers, hot blast stoves, smelting furnaces, retort furnaces, drying furnaces and incinerators, and ensure the realization of environmental protection.
The technical scheme of the invention is that the dust removal and decontamination device for purifying the polluted gas by the magnetic liquid comprises a polluted gas pretreatment pipeline, a sedimentation treatment tower, a magnetic liquid circulation pipeline and a clean gas leading-out pipeline, wherein the polluted gas pretreatment pipeline comprises: the device comprises a polluted air flow source box, a polluted air introducing channel, a polluted air injection pipe, a mixed gas fog outlet channel, an ozone injection pipe, an air flow channel grid support and a magnetic liquid nozzle; the magnetic liquid circulation line includes: the device comprises a strong magnetic field generator, a magnetic liquid outflow branch pipe, a magnetic liquid collecting pipe, a magnetic liquid total outflow pipe, a magnetic liquid delivery pump, a magnetic liquid suction header pipe, a magnetic liquid reflux spray pipe, a magnetic liquid supplement pipeline, a magnetic liquid supplement container and a magnetic liquid circulation pool; the sedimentation treatment tower comprises: a mixed gas fog settling chamber, a purified flue gas leading-out chamber, a pulse degaussing separation net, a vibration demisting grid net, a magnetic liquid filtering grid net, a magnetic liquid overflow pipe, a slag liquid blow-off pipe and an agglomerated pollutant settling chamber; the clean gas leading-out device includes: the device comprises a purified air flow outlet pipe, a purified air flow draught fan and a purified air flow discharge pipe, wherein a polluted air inlet passage of a polluted air flow source box is a horizontal rectangular passage, and is directly communicated with a polluted air injection pipe with a convergent-divergent nozzle structure, a magnetic liquid nozzle is also horizontally arranged in the polluted air injection pipe, an ozone injection pipe is arranged at the upper part of the polluted air injection pipe, the polluted air injection pipe is communicated with a mixed aerial fog outlet passage with a diffusion type structure, the mixed aerial fog outlet passage is communicated with a settling treatment tower, the settling treatment tower consists of a mixed aerial fog settling chamber, a purified flue gas outlet chamber and a bottom condensed pollutant settling chamber, a pulse degaussing net is arranged at the lower part of the mixed aerial fog settling chamber, one side of the condensed pollutant settling chamber is arranged below the pulse degaussing net, a vibration demisting net is arranged at the upper part of the other side of the condensed pollutant settling chamber, a purified flue gas outlet chamber is arranged above, a slag liquid blow-off pipe is arranged at the bottom of the other side of the condensed pollutant settling chamber, a purified gas flow leading-out pipe is arranged at the upper part of the purified flue gas leading-out chamber, the pipeline is communicated with a purified gas flow induced draft fan, and the outlet of the fan is communicated with a purified gas flow discharge pipe; the magnetic liquid circulation pool is internally provided with a magnetic liquid suction main pipe communicated with a magnetic liquid delivery pump, one end of a magnetic liquid total outflow pipe is communicated with the magnetic liquid delivery pump, the other end of the magnetic liquid total outflow pipe is communicated with a magnetic liquid header pipe horizontally, the magnetic liquid header pipe is provided with a plurality of magnetic liquid outflow branch pipes, the magnetic liquid outflow branch pipes penetrate through a strong magnetic field generator and are upwards connected with a plurality of magnetic liquid nozzles respectively, the magnetic liquid total outflow pipe is provided with a communicated magnetic liquid backflow spray pipe and is inserted into a horizontal section of a magnetic liquid supplement pipeline, one end of the magnetic liquid supplement pipeline is communicated with the magnetic liquid circulation pool, and the other end of the magnetic liquid supplement pipeline is upwards communicated with a conical bottom of.
The device (system) can efficiently adsorb harmful components of the polluted gas to be discharged by the magnetic liquid, so that the polluted gas can be purified, various polluted components adsorbed by the magnetized liquid can be quickly changed into flocculent solids through a physical and chemical process and settled down, the magnetized liquid is separated from flocculent substances through the action of the pulsed magnetic field, and the magnetized liquid is adjusted and supplemented according to the condition of the components of the separated magnetized liquid, and then the magnetized liquid can be recycled and reused.
Drawings
FIG. 1 is a front view of the present invention.
FIG. 2 is a top view of the present invention.
Fig. 3 is a left side view of the present invention.
Detailed Description
The following detailed description of specific embodiments of the invention is provided in connection with the accompanying drawings.
As shown in fig. 1 to 3, the dust removal and decontamination device for purifying polluted gas by magnetic liquid of the present invention comprises a polluted gas pretreatment pipeline, a sedimentation treatment tower, a magnetic liquid circulation pipeline, and a clean gas leading-out pipeline, wherein the polluted gas pretreatment pipeline comprises: the device comprises a polluted air flow source box 1, a polluted air introducing channel 2, a polluted air injection pipe 3, a mixed gas fog outlet channel 4, an ozone injection pipe 20, an air flow channel grid support 5 and a magnetic liquid nozzle 6; the magnetic liquid circulation line includes: the device comprises a strong magnetic field generator 7, a magnetic liquid outflow branch pipe 8, a magnetic liquid header pipe 9, a magnetic liquid total outflow pipe 10, a magnetic liquid delivery pump 11, a magnetic liquid suction header pipe 12, a magnetic liquid reflux spray pipe 13, a magnetic liquid supplement pipeline 14, a magnetic liquid supplement container 15 and a magnetic liquid circulation tank 16; the settling treatment tower 17 includes: a mixed gas fog settling chamber 18, a purified flue gas leading-out chamber 19, a pulse degaussing separation net 21, a vibration demisting grid 22, a magnetic liquid filtering grid 23, a magnetic liquid overflow pipe 24, a slag liquid blow-off pipe 25 and an agglomerated pollutant settling chamber 29; the clean gas leading-out device includes: a purified air flow eduction tube 26, a purified air flow induced draft fan 27 and a purified air flow discharge tube 28, wherein the polluted air induction channel 2 of the polluted air flow source box 1 is a horizontal rectangular channel and is directly communicated with the polluted air injection tube 3 with a convergent-divergent nozzle structure, the magnetic liquid nozzle 6 is also horizontally arranged in the polluted air injection tube 3, the ozone injection tube 20 is arranged at the upper part of the polluted air injection tube 3, the polluted air injection tube 3 is communicated with the mixed aerial fog outlet channel 4 with a diffusion type structure, the mixed aerial fog outlet channel 4 is communicated with the sedimentation treatment tower 17, the sedimentation treatment tower 17 consists of a mixed aerial fog sedimentation chamber 18, a purified flue gas eduction chamber 19 and a coagulated pollutant sedimentation chamber 29 at the bottom, the lower part of the mixed aerial fog sedimentation chamber 18 is provided with a pulse degaussing separation net 21, the lower part of the pulse degaussing separation net 21 is one side of the coagulated pollutant sedimentation chamber 29, the upper part of the, the upper part is provided with a purified flue gas leading-out chamber 19, a magnetic liquid filtering grid 23 and a magnetic liquid overflow pipe 24 on one side of a condensation pollutant settling chamber 29, the bottom of the other side of the condensation pollutant settling chamber 29 is provided with a slag liquid discharge pipe 25, the upper part of the purified flue gas leading-out chamber 19 is provided with a purified air flow leading-out pipe 26, the pipeline is communicated with a purified air flow induced draft fan 27, and the outlet of the fan is communicated with a purified air flow discharge pipe 28; the magnetic liquid circulation pool 16 is internally provided with a magnetic liquid suction main pipe 12 communicated with a magnetic liquid delivery pump 11, one end of a magnetic liquid total flow outlet pipe 10 is communicated with the magnetic liquid delivery pump 11, the other end of the magnetic liquid total flow outlet pipe is communicated with a magnetic liquid header pipe 9 horizontally provided with a plurality of magnetic liquid outflow branch pipes 8, the plurality of magnetic liquid outflow branch pipes 8 pass through a strong magnetic field generator 7 and are respectively connected with a plurality of magnetic liquid nozzles 6 upwards, the magnetic liquid total flow outlet pipe 10 is provided with a communicated magnetic liquid backflow spray pipe 13 and is inserted into the horizontal section of a magnetic liquid supplement pipeline 14, one end of the magnetic liquid supplement pipeline 14 is communicated with the magnetic liquid circulation pool 16, and the other end is upwards communicated with the conical bottom of a magnetic liquid supplement container 15.
In order to ensure the use effect and convenient use, the magnetic liquid is prepared by uniformly mixing strong magnetic micro powder in an alkaline solution, and a state of a dispersed magnetic field or no dispersed magnetic field is formed under the action of the magnetic field, so that the adsorption and desorption of solid particles in the liquid and precipitates generated by chemical reaction are effectively completed.
The polluted air introducing channel 2 communicated with the polluted air source box 1 is a rectangular channel with a flat and long section and horizontally placed, and the rectangular channel is divided into a plurality of equal small channels by a plurality of rows of airflow channel grating supports 5 which are vertically and axially arranged in the polluted air introducing channel 2.
The magnetic liquid nozzle 6 is horizontally arranged in the contraction section of the convergent-divergent nozzle structure of the polluted gas injection pipe 3, the ozone injection pipe 20 is arranged at the top of the minimum section of the convergent-divergent nozzle structure of the polluted gas injection pipe 3, and the magnetic liquid nozzles 6 correspond to the ozone injection pipes 20 in number one by one.
The sedimentation treatment tower 17 is a rectangular cylinder, the upper part of the sedimentation treatment tower is divided into a mixed gas fog sedimentation chamber 18 with a parallel rectangular cross section and a purified flue gas leading-out chamber 19 with a rectangular cross section, the bottom of the sedimentation treatment tower is an agglomerated pollutant sedimentation chamber 29, the lower part of the mixed gas fog sedimentation chamber 18 is provided with a pulse degaussing separation net 21 with the same cross section, and the lower part of the purified flue gas leading-out chamber 19 is provided with a vibration degaussing grid 22 with the same cross section.
The magnetic liquid total outflow pipe 10 is provided with a magnetic liquid reflux nozzle 13, the magnetic liquid reflux nozzle 13 is inserted into the horizontal pipe section of the magnetic liquid supplement pipeline 14 in the same diameter, the outer periphery of the magnetic liquid reflux nozzle is sealed with the magnetic liquid supplement pipeline 14 in contact, the outlet end of the magnetic liquid reflux nozzle 13 is conical, and the magnetic supplement fluid in the magnetic liquid supplement pipeline 14 is guided into the magnetic liquid circulation pool 16 in a spraying mode.
The bottom of the magnetic liquid supplementing container 15 is a conical round body, the magnetic liquid supplementing pipeline 14 is connected to the conical bottom in a turning mode, and the magnetic liquid is cyclically supplemented through flow regulation of the magnetic liquid reflux spray pipe 13.
The dust removal and decontamination device for purifying the polluted gas by the magnetic liquid is completed by a system consisting of a polluted gas pretreatment pipeline, a sedimentation treatment tower, a magnetic liquid circulation pipeline and a clean gas leading-out pipeline. In the polluted gas pretreatment pipeline, polluted gas flows out of a polluted gas flow source 1, enters a polluted gas introduction channel 2 through a gas flow channel grid support 5, passes through a polluted gas injection device 3, forms magnetized mixed gas mist with magnetized liquid fully mixed with the magnetized liquid through the magnetized liquid from a magnetic liquid nozzle 6, and simultaneously ozone is injected into the magnetized mixed gas mist from an ozone injection device 20 and then enters a mixed gas mist outlet channel 4 to perform a physical and chemical process mutually therein; the magnetic liquid circulation pipeline is arranged for continuously providing magnetic liquid for a system, the magnetic liquid enters a magnetic liquid delivery pump 11 from a magnetic liquid circulation pool 16 through a magnetic liquid suction header pipe 12, enters a magnetic liquid total outflow pipe 10 after being pressurized, and is uniformly distributed to a magnetic liquid outflow branch pipe 8 through a magnetic liquid header pipe 9, the magnetic liquid in the magnetic liquid supplement container 15 enters a magnetic liquid nozzle 6 after passing through a strong magnetic field generating device 7, a magnetic liquid reflux spray pipe 13 is specially led out from the magnetic liquid total outflow pipe 10 and is inserted into a magnetic liquid supplement pipeline 14, and the magnetic liquid in the magnetic liquid supplement container 15 enters the magnetic liquid circulation pool 16 through the magnetic liquid supplement pipeline 14 in a nozzle injection mode; the magnetized mixed gas fog which comes out from the mixed gas fog outlet channel 4 in the sedimentation treatment tower 17 and is subjected to physical and chemical actions enters a mixed gas fog sedimentation chamber 18, after flowing downwards and sedimentation, partial separation and sedimentation of gas and liquid are realized through a pulse degaussing separation device 21, then the magnetized mixed gas fog turns upwards and enters a vibration demisting device 22 to realize complete gas and liquid separation, then the magnetized mixed gas fog enters a purified flue gas leading-out chamber 19 upwards, degaussing magnetized liquid containing condensed pollutants settles and enters an condensed pollutant sedimentation chamber 29, in the flowing process, the filtered magnetic liquid enters a magnetic liquid circulation pool 16 through a magnetic liquid overflow pipe 24, and the slag liquid settled in the condensed pollutant sedimentation chamber 29 is periodically discharged through a slag liquid discharge pipe 25 arranged at the bottom of the magnetic liquid circulation pool; the clean gas leading-out device mainly leads the decontaminated clean gas in the clean gas leading-out chamber 19 to enter a clean gas draught fan 27 through a clean gas leading-out pipe 26 and then to be discharged into the atmosphere environment through a clean gas discharge pipe 28. In order to better realize the technical effects of dust removal and decontamination and achieve the refinement degree.
Compared with the prior art, the invention has the following outstanding characteristics:
1) the magnetic liquid used by the device system is formed by uniformly mixing strong magnetic micro powder in alkaline solution, and a state of a dispersed magnetic field or no dispersed magnetic field is formed under the action of the magnetic field, so that the adsorption and desorption of solid particles in the liquid and precipitates generated by chemical reaction are effectively completed;
2) a polluted gas introducing channel 2 communicated with a polluted gas flow source 1 is a rectangular channel with a flat and long section and horizontally arranged, and is divided into small channels at specific positions by a plurality of rows of airflow channel grid supports 5 so as to form a uniformly distributed flat airflow field structure;
3) the polluted gas introducing channel 2 is communicated with a polluted gas ejector 3 with a convergent-divergent nozzle structure, the magnetic liquid nozzle 6 is horizontally arranged in the polluted gas ejector 3, the ozone ejector 20 is arranged at the top of the polluted gas ejector 3, and then the polluted gas ejector 3 is communicated with a mixed gas fog outlet channel 4 with a diffusion structure, so that the uniform polluted gas flow can uniformly complete and sufficient mixing of the polluted gas flow, the ozone and the magnetized liquid in the magnetized liquid ejecting process, and the physical and chemical processes among the polluted gas flow, the ozone and the magnetized liquid are greatly promoted to be carried out and the slow sedimentation of condensed pollutants is greatly promoted;
4) the mixed gas fog outlet channel 4 is communicated with a sedimentation treatment tower 17 which is composed of a mixed gas fog sedimentation chamber 18, a purified smoke leading-out chamber 19 and a coagulated pollutant sedimentation chamber 29 at the bottom, a pulse degaussing separation device 21 is arranged at the lower part of the mixed gas fog sedimentation chamber 18, one side of the coagulated pollutant sedimentation chamber 29 is arranged below the mixed gas fog sedimentation chamber, a vibration demisting device 22 is arranged at the upper part of the other side of the coagulated pollutant sedimentation chamber 29, and the U-shaped structure of the lower part provided with the removal device is provided with a device which is beneficial to settling and separating the mixed gas fog containing coagulated pollutants in the mixed gas fog, so that the separation of the coagulated pollutants and the magnetized liquid is promoted;
5) the magnetic liquid circulation processing pipeline is characterized in that a magnetic liquid reflux spray pipe 13 is arranged on a magnetic liquid total flow outlet pipe 10 and is led out and inserted into a horizontal section of a magnetic liquid supplement pipeline 14, one end of the magnetic liquid supplement pipeline 14 is communicated with a magnetic liquid circulation pool 16, and the other end is bent upwards and connected to the conical bottom of a magnetic liquid supplement container 15, so that the circulation of the magnetic liquid and the supplement of new liquid are simultaneously completed by using a circulating pump, and the adjustment and the control are convenient.
In the implementation process of the invention, the alkaline magnetic liquid is adopted, so that the acidic or neutral polluted gas can be efficiently treated in a wider range, the magnetic liquid can be effectively recycled to realize reuse, the treated gas can realize clean and pollution-free emission and reaches the national environmental-protection emission standard, experiments and tests show that the gas dedusting and reduction rate can reach more than 95 percent, the emission requirements of compounds such as particulate matters, sulfur dioxide, nitrogen oxides, mercury and the like are met, other trace harmful substances are also tested and all reach the national air pollution emission standard, and the test result clearly shows that the device can effectively solve the problems of dedusting, desulfurizing, denitrating and removing VOCs (organic volatile matters) of various polluted gases (including flue gas, fuel gas and environmental gas) and is a boiler, a smelting furnace, a gas retort, a drying furnace, a boiler, a gas furnace, a gas-drying furnace, a gas-water heater, a, The industrial furnace of the incinerator provides flue gas purification, realizes environmental protection, is a great innovation on dust removal equipment, and has good economic and social benefits.
Claims (5)
1. The utility model provides a magnetic liquid purifies gaseous polluted dust removal and takes off dirty device, includes gaseous polluted pretreatment pipeline, subsides treating tower, magnetic liquid circulation pipeline to and clean gaseous extraction pipeline, gaseous polluted pretreatment pipeline include: the device comprises a polluted air flow source box (1), a polluted air introducing channel (2), a polluted air injection pipe (3), a mixed gas fog outlet channel (4), an ozone injection pipe (20), an air flow channel grid support (5) and a magnetic liquid nozzle (6); the magnetic liquid circulation line includes: the device comprises a strong magnetic field generator (7), a magnetic liquid outflow branch pipe (8), a magnetic liquid collecting pipe (9), a magnetic liquid total outflow pipe (10), a magnetic liquid delivery pump (11), a magnetic liquid suction header pipe (12), a magnetic liquid reflux spray pipe (13), a magnetic liquid supplement pipeline (14), a magnetic liquid supplement container (15) and a magnetic liquid circulation pool (16); the settling treatment tower (17) comprises: a mixed gas fog settling chamber (18), a purified flue gas leading-out chamber (19), a pulse degaussing separation net (21), a vibration demisting grid net (22), a magnetic liquid filtering grid net (23), a magnetic liquid overflow pipe (24), a slag liquid blow-off pipe (25) and an agglomerated pollutant settling chamber (29); the clean gas leading-out device includes: the device is characterized in that a pollution gas introducing channel (2) of a pollution gas source box (1) is a rectangular channel with a flat long section and horizontally placed, the rectangular channel is divided into a plurality of small equal channels by a plurality of rows of gas flow channel grating supports (5) which are arranged in the pollution gas introducing channel (2) through vertical axes to form a uniformly distributed flat gas flow field structure and are directly communicated with a pollution gas injection pipe (3) with a convergent-divergent nozzle structure, a magnetic liquid nozzle (6) is also horizontally arranged in the pollution gas injection pipe (3), an ozone injection pipe (20) is arranged at the upper part of the pollution gas injection pipe (3), the pollution gas injection pipe (3) is communicated with a mixed gas fog outlet channel (4) with a diffusion structure, and the mixed gas fog outlet channel (4) is communicated with a sedimentation treatment tower (17), the sedimentation treatment tower (17) is composed of a mixed gas fog sedimentation chamber (18), a purified smoke leading-out chamber (19) and a coagulated pollutant sedimentation chamber (29) at the bottom, a pulse degaussing separation net (21) is arranged at the lower part of the mixed gas fog sedimentation chamber (18), one side of the coagulated pollutant sedimentation chamber (29) is arranged below the pulse degaussing separation net (21), a vibration demisting grid net (22) is arranged at the upper part of the other side of the coagulated pollutant sedimentation chamber (29), a purified flue gas leading-out chamber (19), a magnetic liquid filtering grid net (23) and a magnetic liquid overflow pipe (24) at one side of an agglomerated pollutant settling chamber (29), a slag liquid drainage pipe (25) arranged at the bottom of the other side of the agglomerated pollutant settling chamber (29), a purified gas flow eduction tube (26) is arranged at the upper part of the purified flue gas eduction chamber (19), the pipeline is communicated with a purified air flow induced draft fan (27), and the outlet of the induced draft fan is communicated with a purified air flow discharge pipe (28); a magnetic liquid suction main pipe (12) is arranged in the magnetic liquid circulation pool (16) and communicated with a magnetic liquid delivery pump (11), one end of a magnetic liquid total flow outlet pipe (10) is communicated with the magnetic liquid delivery pump (11), the other end of the magnetic liquid total flow outlet pipe is communicated with a magnetic liquid header pipe (9), a plurality of magnetic liquid outflow branch pipes (8) are arranged on the magnetic liquid header pipe (9), the plurality of magnetic liquid outflow branch pipes (8) penetrate through a strong magnetic field generator (7) and are upwards connected with a plurality of magnetic liquid nozzles (6) respectively, a communicated magnetic liquid reflux spray pipe (13) is arranged on the magnetic liquid total flow outlet pipe (10), a horizontal section of a magnetic liquid supplement pipeline (14) is inserted, one end of the magnetic liquid supplement pipeline (14) is communicated with the magnetic liquid circulation pool (16), and the other end of the magnetic liquid supplement pipeline is upwards communicated with a conical bottom;
the magnetic liquid is prepared by uniformly mixing strong magnetic micro powder in an alkaline solution, and a state of a dispersed magnetic field or no dispersed magnetic field is formed under the action of the magnetic field, so that the adsorption and desorption of solid particles in the liquid and precipitates generated by chemical reaction are effectively completed.
2. The magnetic liquid dust-removing and dirt-removing device for purifying the polluted gas according to the claim 1 is characterized in that the magnetic liquid nozzle (6) is horizontally arranged in a contraction section of a convergent-divergent nozzle structure of the polluted gas injection pipe (3), the ozone injection pipe (20) is arranged at the top of the minimum section of the convergent-divergent nozzle structure of the polluted gas injection pipe (3), and the magnetic liquid nozzles (6) correspond to the ozone injection pipes (20) in number one by one.
3. The magnetic dust-removing and dirt-removing device for purifying polluted gas by liquid according to claim 1, wherein the settling tower (17) is a rectangular cylinder, the upper part of the settling tower is divided into a mixed gas mist settling chamber (18) with a rectangular cross section and a purified gas fume extraction chamber (19) with a rectangular cross section, the bottom of the settling tower is an agglomerated pollutant settling chamber (29), the lower part of the mixed gas mist settling chamber (18) is provided with a pulse degaussing separation net (21) with the same cross section, and the lower part of the purified gas fume extraction chamber (19) is provided with a vibrating degaussing net (22) with the same cross section.
4. The dust-removing and dirt-removing device for purifying polluted gas by magnetic liquid according to claim 1, wherein the magnetic liquid total outflow pipe (10) is provided with a magnetic liquid return nozzle (13), the magnetic liquid return nozzle (13) is inserted into a horizontal pipe section of the magnetic liquid supplement pipeline (14) in an equal diameter, the outer periphery of the magnetic liquid return nozzle is sealed with the magnetic liquid supplement pipeline (14) which is in contact with the magnetic liquid return nozzle, the outlet end of the magnetic liquid return nozzle (13) is tapered, and the magnetic liquid supplement fluid in the magnetic liquid supplement pipeline (14) is guided into the magnetic liquid circulation tank (16) in a spraying manner.
5. The magnetic liquid dust-removing and dirt-removing device for purifying polluted gas according to claim 1, wherein the bottom of the magnetic liquid supplement container (15) is a conical circular body, the magnetic liquid supplement pipeline (14) is bent and upwards connected to the conical bottom, and the magnetic liquid is cyclically supplemented by adjusting the flow rate of the magnetic liquid reflux spray pipe (13).
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| WO2000035573A1 (en) * | 1998-12-15 | 2000-06-22 | Advanced Technology Materials, Inc. | Apparatus and method for point-of-use treatment of effluent gas streams |
| WO2006103812A1 (en) * | 2005-03-28 | 2006-10-05 | Mitsubishi Materials Corporation | Method of purifying gas, apparatus therefor, and acid-gas-absorbing liquid for use in the purification |
| CN204285495U (en) * | 2014-10-20 | 2015-04-22 | 陈云桥 | Industrial chimney harmless emission purifier |
| CN205164424U (en) * | 2015-12-09 | 2016-04-20 | 陈宇 | Purification and separation device of impurity in gaseous |
| CN206935083U (en) * | 2017-05-25 | 2018-01-30 | 合肥德秦人居环境科技有限公司 | Industrial waste gas purifying processing system |
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