CN112843970A - Environment-friendly flue gas treatment device - Google Patents
Environment-friendly flue gas treatment device Download PDFInfo
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- CN112843970A CN112843970A CN202110203536.3A CN202110203536A CN112843970A CN 112843970 A CN112843970 A CN 112843970A CN 202110203536 A CN202110203536 A CN 202110203536A CN 112843970 A CN112843970 A CN 112843970A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
- B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
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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
- B01D53/26—Drying gases or vapours
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
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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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J11/00—Devices for conducting smoke or fumes, e.g. flues
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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Abstract
The invention relates to an environment-friendly flue gas treatment device, which belongs to the technical field of flue gas purification and comprises a first treatment box, a second treatment box and a third treatment box, wherein a first filter screen for filtering particulate matters in flue gas is arranged in the first treatment box; the water storage tank is communicated with the first treatment tank through a water inlet pipe and a water return pipe respectively; the second treatment box is used for containing treatment liquid which performs chemical reaction with the flue gas, a stirring shaft is rotatably assembled on the second treatment box, the stirring shaft is of a hollow structure, the upper end of the stirring shaft is connected with the first treatment box through a smoke inlet pipe, and the lower end of the stirring shaft is connected with a smoke outlet pipe; the third treatment box is communicated with the second treatment box through a smoke exhaust pipe, the third treatment box is provided with a smoke exhaust port, and a drying agent used for drying the purified smoke is arranged in the third treatment box. The environment-friendly flue gas treatment device purifies flue gas in a three-step-by-step purification mode, and greatly improves the flue gas treatment effect.
Description
Technical Field
The invention relates to the technical field of flue gas purification, in particular to an environment-friendly flue gas treatment device.
Background
The industrial flue gas contains a large amount of harmful substances mainly comprising nitrogen oxides and sulfur oxides and also contains a large amount of heat, if the industrial flue gas is directly discharged, particulate pollution can be caused to the atmosphere, and the greenhouse effect can be increased, so that the harmful substances in the industrial flue gas need to be removed in the treatment of the industrial flue gas, and the flue gas needs to be cooled. In view of the above, the flue gas treatment device is capable of effectively treating toxic and harmful substances contained in flue gas to a predetermined concentration, and preventing equipment from generating adverse phenomena such as corrosion or blockage.
The flue gas treatment method mainly adopts two types of chemical separation and physical separation, wherein the chemical separation utilizes liquid or solid treatment substances to contact with the flue gas and react with harmful substances in the flue gas for subsequent separation; the physical separation is mainly to adsorb solid micro particles in the flue gas by a physical adsorption mode. Most of the existing flue gas treatment devices adopt a chemical separation mode, namely, flue gas to be treated is introduced into treatment liquid, and the flue gas is treated by the reaction of the treatment liquid and harmful substances in the flue gas. During flue gas treatment, because the treatment fluid does not flow, a large amount of flue gases can be handled to the treatment fluid short time that local area appears like this, lead to the treatment effect of treatment fluid to descend, and the flue gas after handling simultaneously carries moisture, is difficult for floating to the sky, and easy and dust particle polymerization in the air forms the haze, leads to the final treatment effect of flue gas to descend.
Disclosure of Invention
In view of this, the present invention provides an environment-friendly flue gas treatment device to solve the technical problem of poor flue gas treatment effect of the flue gas treatment device in the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
an environment-friendly flue gas treatment device, comprising:
the first treatment box is internally provided with a first filter screen for filtering particulate matters in the smoke, a smoke inlet and a smoke outlet are arranged at positions above the first filter screen on the first treatment box, the smoke inlet and the smoke outlet are positioned on two opposite box walls of the first treatment box, and the smoke outlet is higher than the smoke inlet;
the water storage tank is communicated with the first treatment tank through a water inlet pipe and a water return pipe respectively, the connecting position of the water inlet pipe and the first treatment tank is positioned above the first filter screen, a water suction pump is arranged on the water inlet pipe, and the water return pipe is communicated with the bottom of the first treatment tank;
the second treatment box is used for containing treatment liquid which performs chemical reaction with the flue gas, a stirring shaft is rotationally assembled in the second treatment box, stirring blades for stirring the treatment liquid are arranged on the circumference of the stirring shaft, the upper end of the stirring shaft is connected with a smoke outlet of the first treatment box through a smoke inlet pipe, the lower end of the stirring shaft is connected with a smoke outlet pipe, a second filter screen is arranged at a position close to the smoke outlet pipe in the stirring shaft, the smoke outlet pipe is in an inverted T shape and comprises a vertical pipe section and a horizontal pipe section which are mutually communicated, the stirring shaft is a hollow shaft, two ends of the stirring shaft are respectively communicated with the smoke inlet pipe and the vertical pipe section, and a plurality of smoke dispersing ports are arranged on the horizontal pipe section at intervals along the extending direction of the;
and the third treatment box is communicated with the second treatment box through a smoke exhaust pipe and is provided with a smoke exhaust port, and a drying agent for drying the purified smoke is arranged in the third treatment box.
The beneficial effects of the above technical scheme are: according to the environment-friendly flue gas treatment device, the flue gas is cooled through water in the first-stage treatment box, particles in the flue gas are carried away, the particles are filtered through the first filter screen, so that the flue gas entering the second treatment box does not contain or contains few particles, and water can flow into the water storage box again after cooling and adsorption of the flue gas, so that the cyclic utilization of water resources is realized; the flue gas after the prefiltering enters into the second and handles the incasement and pass into the treatment fluid through the tobacco pipe that looses and react with the treatment fluid, under the (mixing) shaft and the circumstances that goes out the tobacco pipe and rotate simultaneously, the circumstances that a large amount of flue gases were handled to local treatment fluid short time can not appear and take place, make the flue gas can take place chemical reaction and can purify with the treatment fluid fully evenly, because the (mixing) shaft is cavity form, can realize the stirring, can realize the circulation of flue gas simultaneously again, integrative dual-purpose, the cost is saved, the flue gas after the purification can discharge to the atmosphere through the drying of third processing case. The environment-friendly flue gas treatment device disclosed by the invention can better achieve a full purification effect on flue gas through three-stage purification treatment.
Furthermore, the smoke outlet pipe is detachably connected with the stirring shaft.
Has the advantages that: the smoke outlet pipe is convenient to disassemble for cleaning, maintenance and replacement in the later period.
Furthermore, the smoke outlet pipe is sleeved outside the stirring shaft in an interference manner, and a sealing ring is arranged between the smoke outlet pipe and the stirring shaft.
Has the advantages that: avoid the treatment fluid to enter into in the play tobacco pipe from the clearance between play tobacco pipe and the (mixing) shaft, also make things convenient for the installation and the dismantlement of play tobacco pipe and (mixing) shaft simultaneously.
Furthermore, the position, close to the second treatment box, on the smoke exhaust pipe is provided with a smoke tester for detecting whether the smoke is qualified or not, the downstream of the smoke tester is provided with a smoke stop valve for controlling the on-off of the smoke, the side wall of the second treatment box is connected with a smoke return pipe in an L shape, the smoke return pipe comprises a horizontal smoke return pipe section and a vertical smoke return pipe section, the horizontal smoke return pipe section is internally provided with a piston matched with the pipe diameter of the horizontal smoke return pipe section in a moving mode, the vertical smoke return pipe section is communicated with the smoke inlet pipe, the smoke return pipe is separated from the space in the second treatment box when the piston is positioned in the horizontal smoke return pipe section, and the piston is communicated with the space in the second treatment box when the piston is positioned in the vertical smoke return pipe section.
Has the advantages that: set up the flue gas tester and can detect whether qualified at the second in case flue gas after handling, if unqualified, close the flue gas stop valve to the flue gas that makes and the abundant reaction enters into the flue pipe again through the smoke return pipe, with this circulation, until the flue gas abundant reaction, thereby guarantee the purifying effect of flue gas.
Furthermore, an electric push rod is arranged on the vertical smoke return pipe section and connected with the piston.
Has the advantages that: the form of the electric push rod is adopted, manual operation is not needed, and manpower is saved.
Further, a plurality of shower nozzles that arrange side by side are equipped with in the top of the first filter screen of first processing incasement, shower nozzle and water piping connection, and the below of first filter screen still is provided with the active carbon adsorption layer rather than parallel, and the outlet flue of first processing case is in the below of active carbon adsorption layer.
Has the advantages that: the active carbon adsorption layer can adsorb poisonous and harmful odor in the flue gas, is the further treatment to the flue gas, guarantees that the flue gas that discharges has no pollution to human body and environment.
Further, a cleaning brush is rotatably assembled below the activated carbon adsorption layer in the first treatment box.
Has the advantages that: the tank wall that can clear up first processing case when the brush cleaner rotates guarantees the cleanness of first processing case.
Drawings
FIG. 1 is a schematic view of the overall structure of the environmental protection flue gas treatment device of the invention.
Description of reference numerals: 1-a first treatment box, 2-a second treatment box, 3-a third treatment box, 4-a water storage box, 5-a smoke inlet, 6-a smoke inlet pipe, 7-a smoke outlet pipe, 8-a first filter screen, 9-a second filter screen, 10-a stirring shaft, 11-a smoke return pipe, 12-a piston, 13-an electric push rod, 14-a smoke dispersion pipe, 15-a sealing ring, 16-a cleaning brush, 17-a first driving motor, 18-a second driving motor, 19-a bevel gear component, 20-a drying agent, 21-a smoke discharge pipe, 22-a smoke tester, 23-a smoke stop valve, 24-a smoke outlet, 25-an activated carbon adsorption layer, 26-a stirring blade, 27-a liquid injection plug, 28-a water inlet pipe and 29-a water return pipe, 30-smoke outlet, 31-spray head, 32-water pump.
Detailed Description
The invention is described in further detail below with reference to the drawings and the detailed description.
The specific embodiment of the environment-friendly flue gas treatment device comprises the following steps:
as shown in fig. 1, the environmental protection flue gas treatment device comprises a first treatment tank 1, a second treatment tank 2, a third treatment tank 3 and a water storage tank 4.
Specifically, the first treatment tank 1 is provided with a smoke inlet 5 and a smoke outlet 30 on two opposite tank walls, and the position of the smoke outlet 30 is higher than that of the smoke inlet 5. First processing box 1 is interior to be provided with first filter screen 8 and active carbon adsorption layer 25 along upper and lower direction parallel interval respectively, and first filter screen 8 is located the below of advancing mouth of cigarette 5 for filter the tiny particulate matter that contains in the flue gas, active carbon adsorption layer 25 is arranged in adsorbing the odorous gas in the flue gas. Because the flue gas contains a large amount of heat, in order to avoid the flue gas to enter the first treatment box 1 and cause damage to the first treatment box 1, a plurality of spray heads 31 arranged side by side are arranged above the flue gas inlet 5 in the first treatment box 1. In addition, storage water tank 4 is through inlet tube 28 and each shower nozzle 31 intercommunication to provide water in to shower nozzle 31, the water that sprays from shower nozzle 31 except can cooling down the flue gas that gets into first processing incasement 1, can adsorb the tiny particulate matter that carries in the flue gas simultaneously, and carry tiny particulate matter to first filter screen 8 on, avoid tiny particulate matter to flow downwards. A suction pump 32 is provided on the inlet pipe 28 to draw water from the storage tank 4. The bottom of the first treatment box 1 is provided with a water outlet, the water outlet is provided with a filter plate and is communicated with the water storage tank 4 through a water return pipe 29, so that the water resource is recycled. Since the particulate matters in the flue gas cannot be completely filtered out, a smaller part of the flue gas still passes through the first filter screen 8 and the activated carbon adsorption layer 25 and is deposited on the bottom wall of the first treatment tank 1, the cleaning brush 16 is also rotatably assembled at the bottom of the first treatment tank 1, and the cleaning brush 16 is driven by the first driving motor 17 arranged outside the first treatment tank 1. When the cleaning brush 16 is rotated, the bottom wall of the first treatment tank 1 can be cleaned, the cleaned impurities are deposited on the filter plates, and the filter plates are removed and cleaned at appropriate times.
The second treatment box 2 is used for containing treatment liquid which performs chemical reaction with the flue gas, a liquid injection plug 27 is arranged on the second treatment box, and the treatment liquid can be injected into the second treatment box by opening the liquid injection plug 27. The second processing box 2 is internally provided with a stirring shaft 10 in a rotating way, the stirring shaft 10 is driven by a second driving motor 18 arranged outside the second processing box 2, and power is transmitted by a bevel gear assembly 19. The circumference of the stirring shaft 10 is provided with stirring blades 26 for stirring the treatment liquid, in the embodiment, the stirring shaft 10 is a hollow shaft and is communicated with the upper part and the lower part, the upper end of the stirring shaft 10 is connected with a smoke outlet 30 of the first treatment box 1 through a smoke inlet pipe 6, the lower end of the stirring shaft 10 is detachably connected with a smoke outlet pipe 7, and a second filter screen 9 is arranged in the stirring shaft 10 at a position close to the smoke outlet pipe 7 and is used for carrying out secondary filtration on the smoke which is possibly not completely filtered by the particles in the first treatment box 1, so that the smoke entering the smoke outlet pipe 7 is in a pure gas state to the maximum extent and does not contain the particles. The stirring can be realized, the circulation of flue gas can be realized again simultaneously, and is integrative dual-purpose, has saved the cost.
In this embodiment, the smoke outlet pipe 7 is in an inverted T shape, and includes a vertical pipe section and a horizontal pipe section that are communicated with each other, the vertical pipe section is sleeved outside the stirring shaft 10 in an interference manner, and a sealing ring 15 is disposed between the smoke outlet pipe 7 and the stirring shaft 10 in order to prevent smoke from leaking from a matching position of the vertical pipe section and the stirring shaft 10. The transverse pipe section has two parts which are symmetrical with respect to the vertical pipe section, and the two parts are provided with smoke dispersing pipes 14 which are arranged at intervals and are opened upwards in the extending direction of the transverse pipe. During specific treatment, the liquid injection plug 27 is opened, the treatment liquid is injected into the second treatment box 2, the treatment liquid passes through the stirring blades 25, the second driving motor 18 is started, the stirring shaft 10 can be driven to stir, the smoke outlet pipe 7 rotates along with the stirring shaft 10, the smoke coming out of the smoke outlet pipe 14 can fully react with the treatment liquid, the phenomenon that a large amount of smoke is treated in the treatment liquid in a short time in a local area can not occur, and therefore the smoke treatment effect is guaranteed.
The third treatment box 3 is communicated with the second treatment box 2 through a smoke exhaust pipe 21, a smoke exhaust port 24 is formed in the third treatment box 3, and a drying agent 20 used for drying purified smoke is arranged in the third treatment box 3. In order to avoid that the flue gas entering the third treatment box 3 does not reach the standard, a flue gas tester 22 for detecting whether the flue gas is qualified or not is arranged at the position, close to the second treatment box 2, on the smoke exhaust pipe 21, and a flue gas stop valve 23 for controlling the on-off of the flue gas is arranged at the downstream of the flue gas tester 22. The side wall of the second treatment box 2 is connected with an L-shaped smoke return pipe 11, the smoke return pipe 11 comprises a horizontal smoke return pipe section and a vertical smoke return pipe section, the horizontal smoke return pipe section is communicated with the second treatment box 2, and a piston 12 matched with the pipe diameter of the horizontal smoke return pipe section is movably assembled in the horizontal smoke return pipe section; the vertical smoke return pipe section is communicated with the smoke inlet pipe 6. When the piston 12 is positioned in the horizontal smoke return pipe section, the smoke return pipe is isolated from the space in the second treatment box 2, and when the piston 12 is positioned in the vertical smoke return pipe section, the smoke return pipe is communicated with the space in the second treatment box 2. In order to facilitate the action of the piston 12, an electric push rod 13 is arranged on the vertical smoke return pipe section, and the electric push rod 13 is connected with the piston 12. Therefore, manual movement of the piston is avoided, and convenience in operation is improved.
The working principle of the environment-friendly flue gas treatment device is as follows: the industrial flue gas coming out of the chimney enters the first treatment box 1 through the flue gas inlet 5, the water in the water storage tank 4 is pumped to the spray head 31 through the water suction pump 32 and sprayed in the first treatment box 1, the water adsorbs and filters particles in the flue gas and blocks the particles on the first filter screen 8, the filtered flue gas filters odor through the active carbon adsorption layer 25, enters the stirring shaft 10 through the flue gas inlet pipe 6, enters the flue gas outlet pipe 7 after further filtering particles through the second filter screen 9, finally enters the treatment liquid through the flue gas dispersion pipe 14, fully performs mixed reaction with the treatment liquid under the stirring effect of the stirring shaft 10, and enters the third treatment box 3 through the flue gas discharge pipe 21 after treatment to be dried and then is discharged to the atmosphere. If the smoke detected by the smoke tester 22 does not reach the standard, the smoke stop valve 23 is closed, the electric push rod 13 is opened to enable the piston 12 to enter the vertical smoke return pipe section, and further the smoke which is not completely purified enters the smoke inlet pipe 6 again, and the circulation is performed until the smoke detected by the smoke tester 22 reaches the standard, and then the smoke stop valve 23 is opened.
According to the environment-friendly flue gas treatment device, the flue gas is cooled through water in the first-stage treatment box, particles in the flue gas are carried away, the particles are filtered through the first filter screen, so that the flue gas entering the second treatment box does not contain or contains few particles, and water can flow into the water storage box again after cooling and adsorption of the flue gas, so that the cyclic utilization of water resources is realized; the flue gas after the prefiltering enters into the second and handles the incasement and passes into in the treatment fluid through the smoke pipe that looses and react with the treatment fluid, under the circumstances that (mixing) shaft and play tobacco pipe rotated simultaneously, the condition that a large amount of flue gases were handled to local treatment fluid short time can not appear and take place, makes the flue gas can take place chemical reaction and can purify with the treatment fluid fully evenly, because the (mixing) shaft is the cavity form, the flue gas after the purification can discharge to the atmosphere through the drying of third processing case. The environment-friendly flue gas treatment device disclosed by the invention can better achieve a full purification effect on flue gas through three-stage purification treatment.
In other embodiments, the smoke outlet pipe can also be fixedly connected with the stirring shaft.
In other embodiments, the smoke outlet pipe can be detachably connected with the stirring shaft in a threaded connection mode.
In other embodiments, the smoke outlet pipe can also adopt an E-shaped pipe.
In other embodiments, the piston can be driven by a hydraulic cylinder, i.e. the hydraulic cylinder replaces the electric push rod.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (7)
1. An environmental protection flue gas processing apparatus, characterized by includes:
the first treatment box is internally provided with a first filter screen for filtering particulate matters in the smoke, a smoke inlet and a smoke outlet are arranged at positions above the first filter screen on the first treatment box, the smoke inlet and the smoke outlet are positioned on two opposite box walls of the first treatment box, and the smoke outlet is higher than the smoke inlet;
the water storage tank is communicated with the first treatment tank through a water inlet pipe and a water return pipe respectively, the connecting position of the water inlet pipe and the first treatment tank is positioned above the first filter screen, a water suction pump is arranged on the water inlet pipe, and the water return pipe is communicated with the bottom of the first treatment tank;
the second treatment box is used for containing treatment liquid which performs chemical reaction with the flue gas, a stirring shaft is rotationally assembled in the second treatment box, stirring blades for stirring the treatment liquid are arranged on the circumference of the stirring shaft, the upper end of the stirring shaft is connected with a smoke outlet of the first treatment box through a smoke inlet pipe, the lower end of the stirring shaft is connected with a smoke outlet pipe, a second filter screen is arranged at a position close to the smoke outlet pipe in the stirring shaft, the smoke outlet pipe is in an inverted T shape and comprises a vertical pipe section and a horizontal pipe section which are mutually communicated, the stirring shaft is a hollow shaft, two ends of the stirring shaft are respectively communicated with the smoke inlet pipe and the vertical pipe section, and a plurality of smoke dispersing ports are arranged on the horizontal pipe section at intervals along the extending direction of the;
and the third treatment box is communicated with the second treatment box through a smoke exhaust pipe and is provided with a smoke exhaust port, and a drying agent for drying the purified smoke is arranged in the third treatment box.
2. The environment-friendly flue gas treatment device according to claim 1, wherein the flue gas outlet pipe is detachably connected with the stirring shaft.
3. The environment-friendly flue gas treatment device according to claim 2, wherein the smoke outlet pipe is sleeved outside the stirring shaft in an interference manner, and a sealing ring is arranged between the smoke outlet pipe and the stirring shaft.
4. The environment-friendly flue gas treatment device according to any one of claims 1 to 3, wherein a flue gas tester for testing whether the flue gas is qualified or not is arranged on the flue gas exhaust pipe at a position close to the second treatment tank, a flue gas stop valve for controlling the on-off of the flue gas is arranged at the downstream of the flue gas tester, an L-shaped smoke return pipe is connected to the side wall of the second treatment tank, the smoke return pipe comprises a horizontal smoke return pipe section and a vertical smoke return pipe section, a piston matched with the pipe diameter of the horizontal smoke return pipe section is assembled in the horizontal smoke return pipe section, the vertical smoke return pipe section is communicated with the smoke inlet pipe, the smoke return pipe is separated from the space in the second treatment tank when the piston is positioned in the horizontal smoke return pipe section, and the smoke return pipe is communicated with the space in the second treatment tank when the piston is positioned in the vertical smoke return pipe.
5. The environment-friendly flue gas treatment device according to claim 4, wherein an electric push rod is arranged on the vertical flue gas return pipe section and connected with the piston.
6. The environment-friendly flue gas treatment device according to any one of claims 1 to 3, wherein a plurality of spray heads arranged side by side are arranged above the first filter screen in the first treatment tank, the spray heads are connected with the water inlet pipe, an activated carbon adsorption layer parallel to the first filter screen is arranged below the first filter screen, and the flue gas outlet of the first treatment tank is positioned below the activated carbon adsorption layer.
7. The environment-friendly flue gas treatment device according to claim 6, wherein the first treatment tank is further rotatably provided with a cleaning brush below the activated carbon adsorption layer.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN113398739A (en) * | 2021-07-05 | 2021-09-17 | 大连建华污泥处理有限公司 | Detachable multi-stage filtration device based on environmental treatment |
CN114345068A (en) * | 2022-01-11 | 2022-04-15 | 潘金凤 | Road engineering dust filter equipment |
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