CN219482164U - Flue gas desulfurization denitration dust collector - Google Patents

Flue gas desulfurization denitration dust collector Download PDF

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Publication number
CN219482164U
CN219482164U CN202320664153.0U CN202320664153U CN219482164U CN 219482164 U CN219482164 U CN 219482164U CN 202320664153 U CN202320664153 U CN 202320664153U CN 219482164 U CN219482164 U CN 219482164U
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driving
box
flue gas
mixing box
pipe
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CN202320664153.0U
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李重祥
宋振宏
王蕊
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Chifeng Sub Station Of Inner Mongolia Autonomous Region Environmental Monitoring Station
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Chifeng Sub Station Of Inner Mongolia Autonomous Region Environmental Monitoring Station
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

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Abstract

The utility model discloses a flue gas desulfurization, denitrification and dust removal device, which relates to the field of flue gas treatment and comprises a spray mixing box, wherein a denitration mechanism and a desulfurization mechanism are arranged on one side of the spray mixing box, a driving mechanism capable of driving flue gas to flow is arranged at the top end of the spray mixing box, the driving mechanism comprises a driving box fixedly arranged at the top end of the spray mixing box, and a motor for driving is fixedly arranged at the front side of the driving box. According to the utility model, the motor is used for driving the fixed shaft to rotate and driving the roller, the elastic rubber film is downwards extruded in the rotation process of the roller, so that the smoke is driven to flow, the smoke is not contacted with other parts in the driving box under the isolation of the elastic rubber film, the parts are not corroded, the bottom end of the elastic rubber film is smooth, the structure is simple, the cleaning is convenient, the elastic rubber film and the frame can be detached and separated from the mounting plate, and the maintenance and the replacement are convenient.

Description

Flue gas desulfurization denitration dust collector
Technical Field
The utility model relates to the field of flue gas treatment, in particular to a flue gas desulfurization, denitrification and dust removal device.
Background
In the industrial production process, a large amount of flue gas is generated, the flue gas often contains harmful substances such as nitric oxide, sulfur dioxide and the like, and the substances are directly discharged into the air to cause serious pollution, so that the flue gas needs to be desulfurized and denitrated in order to avoid the situation.
Desulfurization refers to removing sulfur-containing compounds in flue gas, denitration refers to removing oxynitride in flue gas, the two substances are main pollutants in flue gas, the desulfurization and denitration technology in the prior art is mature, and equipment is perfect, such as a desulfurization, denitration and dust removal device for coke oven flue gas with a publication number of CN 217490146U.
The natural flowing speed of the flue gas is slower, in order to improve the treatment efficiency, the flow speed of the flue gas is generally improved by using driving equipment such as an air pump, a fan and the like, so that the flue gas desulfurization and denitrification efficiency is improved, harmful substances in the flue gas often have certain corrosivity, the structure of the common driving equipment is complex, and once the corrosion phenomenon occurs, the cleaning, the maintenance and the replacement are inconvenient.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides the flue gas desulfurization, denitrification and dust removal device, which drives the fixed shaft to rotate and drives the roller through the motor, the roller extrudes the elastic rubber film downwards in the rotating process, and after the roller is separated from the elastic rubber film, the elastic rubber film is restored under the elastic action, so that the air pressure in the spraying mixing box is controlled, and the flue gas is driven to flow, so that the problems in the background art can be effectively solved.
(II) technical scheme
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the flue gas desulfurization, denitrification and dust removal device comprises a spraying mixing box, wherein a denitrification mechanism and a desulfurization mechanism are arranged on one side of the spraying mixing box and are respectively used for denitrification and desulfurization, and a driving mechanism capable of driving flue gas to flow is arranged at the top end of the spraying mixing box;
the driving mechanism comprises a driving box fixedly arranged at the top end of the spraying mixing box, a motor for driving is fixedly arranged at the front side of the driving box, a fixed shaft is arranged in the driving box, two ends of the fixed shaft are respectively and movably connected with the inner walls of the front side and the rear side of the driving box through bearings, and one end of the fixed shaft extends to the front side of the driving box and is fixedly connected with an output shaft of the motor so as to drive the fixed shaft to rotate;
the outer end of the fixed shaft is fixedly provided with a telescopic rod with adjustable length, the top end of the telescopic rod is fixedly provided with a bracket, a roller is arranged in the bracket, and two ends of the roller are respectively and movably connected with the inner walls of the front side and the rear side of the bracket through bearings;
the driving box is internally provided with an elastic rubber film with elasticity, the outer end of the elastic rubber film is fixedly provided with a frame, the top end of the frame is provided with a mounting plate fixed with the inner wall of the driving box, the mounting plate is sealed with the frame, and the elastic rubber film is positioned at the bottom of the fixing shaft.
Further, the front side of the spray mixing box is provided with a sealing door through a hinge, so that the spray mixing box is convenient to overhaul, the other side of the spray mixing box is fixedly provided with an ozone adding pipe and an air inlet pipe, the ozone adding pipe and the air inlet pipe are fixedly provided with one-way valves, the flue gas can flow unidirectionally, the ozone adding pipe is used for introducing ozone into the spray mixing box, and nitric oxide is oxidized into nitrogen dioxide;
the air hole capable of balancing air pressure is formed in the front side of the driving box, the air hole is located at the top of the motor, the denitration mechanism comprises an air inlet insertion pipe fixedly arranged on one side of the spraying mixing box, and a one-way valve is fixedly arranged on the air inlet insertion pipe.
Further, the denitration mechanism comprises a storage box capable of storing liquid besides the air inlet insertion pipe, one end of the air inlet insertion pipe extends into the storage box, when the denitration mechanism is used, the bottom end of the air inlet insertion pipe needs to be inserted into the liquid, and an exhaust pipe is fixedly arranged at the top end of the storage box;
the front side and the rear side of the storage box are fixedly provided with flow pipelines, so that the liquid in the storage box is ensured to be in a flowing state;
the desulfurization mechanism has the same structure as the denitration mechanism, and is characterized in that water is stored in a storage box of the denitration mechanism and used for absorbing nitrogen dioxide, an alkaline solution is stored in the storage box of the desulfurization mechanism and used for removing sulfur dioxide, and an exhaust pipe of the denitration mechanism is connected with an air inlet insertion pipe of the desulfurization mechanism.
Further, a water storage cylinder capable of storing water is fixedly arranged at the top end of the spray mixing box, and a main pipeline extending to the inside of the spray mixing box is fixedly arranged at the bottom end of the water storage cylinder;
the outer end of the main pipeline is fixedly provided with a plurality of branch pipes, and the bottom end of each branch pipe is fixedly provided with a plurality of spray heads so as to spray water to remove solid impurities in the flue gas.
Further, a cover plate is arranged at the top end of the water storage cylinder through a bolt, and an air charging pipe with a valve at the outer end is fixedly arranged at the top end of the cover plate to pressurize water in the water storage cylinder;
the other side of the spraying mixing box is fixedly provided with a drain pipe which can collect wastewater.
(III) beneficial effects
Compared with the prior art, the utility model provides a flue gas desulfurization, denitrification and dust removal device, which has the following beneficial effects:
through motor drive fixed axle rotation and drive the cylinder, the cylinder is at the elastic rubber film of rotation in-process downwardly extrusion, after cylinder and the separation of elastic rubber film, elastic rubber film resumes the original form under the elastic action again, with this control sprays the inside atmospheric pressure of mixing box, and then drive flue gas flows, through such a mode, the flue gas is not contacted with other parts inside the driving box under the isolation of elastic rubber film, can not produce the corruption to these parts, and elastic rubber film bottom is smooth, and simple structure, be convenient for clear up, and elastic rubber film, the frame can dismantle the separation with the mounting panel, the maintenance of being convenient for is changed.
Drawings
FIG. 1 is a perspective view of a flue gas desulfurization, denitrification and dust removal device of the utility model;
FIG. 2 is a perspective cross-sectional view of a spray mixing pipe of the flue gas desulfurization, denitrification and dust removal device;
FIG. 3 is an enlarged view of the portion A in FIG. 2 of a flue gas desulfurization, denitrification and dust removal device according to the present utility model;
FIG. 4 is a sealing door diagram of a flue gas desulfurization, denitrification and dust removal device;
fig. 5 is a perspective cross-sectional view of a storage box of the flue gas desulfurization, denitrification and dust removal device.
In the figure: 1. a spray mixing box; 2. a denitration mechanism; 201. a storage case; 202. an air inlet cannula; 203. an exhaust pipe; 3. a desulfurization mechanism; 4. sealing the door; 5. a motor; 6. a driving mechanism; 601. a drive box; 602. a mounting plate; 603. an elastic rubber film; 604. a fixed shaft; 605. a telescopic rod; 606. a bracket; 607. a roller; 608. a frame; 7. a water storage cylinder; 8. a cover plate; 9. an ozone adding pipe; 10. an air inlet pipe; 11. a main pipe; 12. a branch pipe; 13. a spray head.
Detailed Description
In order that the manner in which the above-recited features, advantages, objects and advantages of the present utility model are obtained, a more particular description of the utility model briefly summarized above may be had by reference to the embodiments thereof which are illustrated in the appended drawings. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order to overcome the defects in the prior art, as shown in fig. 1-5, the utility model provides a flue gas desulfurization, denitrification and dust removal device, which comprises a spray mixing box 1, wherein one side of the spray mixing box 1 is provided with a denitration mechanism 2 and a desulfurization mechanism 3 which are respectively used for denitration and desulfurization, and the top end of the spray mixing box 1 is provided with a driving mechanism 6 capable of driving flue gas to flow;
the driving mechanism 6 comprises a driving box 601 fixedly arranged at the top end of the spraying mixing box 1, a motor 5 which plays a driving role is fixedly arranged at the front side of the driving box 601, a fixed shaft 604 is arranged in the driving box 601, two ends of the fixed shaft 604 are respectively and movably connected with the inner walls of the front side and the rear side of the driving box 601 through bearings, and one end of the fixed shaft 604 extends to the front side of the driving box 601 and is fixedly connected with an output shaft of the motor 5 so as to drive the fixed shaft 604 to rotate;
the outer end of the fixed shaft 604 is fixedly provided with a telescopic rod 605 with adjustable length, the top end of the telescopic rod 605 is fixedly provided with a bracket 606, a roller 607 is arranged in the bracket 606, and two ends of the roller 607 are respectively and movably connected with the inner walls of the front side and the rear side of the bracket 606 through bearings;
the inside elastic rubber film 603 that has elasticity that is equipped with of drive box 601, elastic rubber film 603 outer end is fixed and is equipped with frame 608, frame 608 top be equipped with the fixed mounting panel 602 of drive box 601 inner wall, seal between mounting panel 602 and the frame 608, elastic rubber film 603 is located fixed axle 604 bottom.
When the smoke is driven to flow, the motor 5 drives the fixed shaft 604 to rotate, and then drives the telescopic rod 605, the bracket 606 and the roller 607 to rotate, after the telescopic rod 605 rotates to the bottom of the fixed shaft 604, the roller 607 contacts with the elastic rubber film 603 and presses the elastic rubber film 603 downwards, so that the elastic rubber film 603 deforms, the roller 607 rotates in the process of contacting with the elastic rubber film 603, friction between the elastic rubber film 603 and the elastic rubber film 603 is reduced, after the elastic rubber film 603 is pressed downwards, a space, which is communicated with the spray mixing box 1, at the bottom of the elastic rubber film 603, is pressed and discharged outwards, when the roller 607 is separated from the elastic rubber film 603 along with the rotation of the fixed shaft 604, the elasticity of the elastic rubber film 603 is restored to be in a state, at the moment, the space, which is communicated with the bottom of the elastic rubber film 603 and the spray mixing box 1, is enlarged, the air pressure in the spray mixing box 1 is reduced, suction is generated, the smoke is sucked into the spray mixing box 1, and the two processes are circularly reciprocated along with the rotation of the roller driven by the fixed shaft 604, so that the smoke is driven to flow.
Through the mode drive flue gas flows, the flue gas is not contacted with other parts inside the driving box 601 under the isolation of the elastic rubber film 603, corrosion is not generated on the parts, the elastic rubber film 603 is made of a corrosion-resistant rubber material, the service life is prolonged as far as possible, the bottom end of the elastic rubber film 603 is contacted with the flue gas, but the bottom end of the elastic rubber film 603 is smooth, the structure is simple, cleaning is convenient, and the elastic rubber film 603 and the frame 608 can be detached and separated from the mounting plate 602, so that the maintenance and the replacement are convenient.
The nitrogen monoxide in the flue gas needs to be converted into nitrogen dioxide, as shown in figures 1, 2 and 5, a sealing door 4 is arranged on the front side of the spray mixing box 1 through a hinge, so that the maintenance is convenient, an ozone adding pipe 9 and an air inlet pipe 10 are fixedly arranged on the other side of the spray mixing box 1, one-way valves are fixedly arranged on the ozone adding pipe 9 and the air inlet pipe 10, the flue gas can flow unidirectionally, ozone is introduced into the spray mixing box 1 through the ozone adding pipe 9, and the nitrogen monoxide is oxidized into the nitrogen dioxide;
the front side of the driving box 601 is provided with air holes capable of balancing air pressure, the air holes are positioned at the top of the motor 5, the denitration mechanism 2 comprises an air inlet insertion pipe 202 fixedly arranged on one side of the spraying mixing box 1, and a one-way valve is fixedly arranged on the air inlet insertion pipe 202.
The gas gets into the spray mixing box 1 through ozone adding pipe 9, intake pipe 10, discharge spray mixing box 1 through the inlet pipe 202 of denitration mechanism 2, the three all has the check valve, this makes the gas at the inside unidirectional flow of spray mixing box 1, under actuating mechanism 6's effect, the flue gas gets into spray mixing box 1 through intake pipe 10, ozone gets into spray mixing box 1 through ozone adding pipe 9 simultaneously, utilize the strong oxidizing nature of ozone to oxidize the nitric oxide in the flue gas into nitrogen dioxide, be convenient for absorb.
In order to sufficiently perform desulfurization and denitrification, as shown in fig. 1 and 5, the denitrification mechanism 2 further comprises a storage box 201 capable of storing liquid in addition to an air inlet insertion pipe 202, one end of the air inlet insertion pipe 202 extends into the storage box 201, when in use, the bottom end of the air inlet insertion pipe 202 needs to be inserted into the liquid, and an exhaust pipe 203 is fixedly arranged at the top end of the storage box 201;
the front side and the rear side of the storage box 201 are fixedly provided with flow pipelines, so that the liquid in the storage box 201 is ensured to be in a flowing state;
the desulfurization mechanism 3 has the same structure as the denitration mechanism 2, except that water is stored in a storage box 201 of the denitration mechanism 2 and used for absorbing nitrogen dioxide, an alkaline solution is stored in the storage box 201 of the desulfurization mechanism 3 and used for removing sulfur dioxide, and an exhaust pipe 203 of the denitration mechanism 2 is connected with an air inlet cannula 202 of the desulfurization mechanism 3.
The flue gas is discharged through the air inlet insertion pipe 202 of the denitration mechanism 2 and then enters the storage box 201 of the denitration mechanism 2, water is filled in the storage box 201 of the denitration mechanism 2, so that the flue gas is introduced into the water, nitrogen dioxide in the flue gas is dissolved in the water after entering the water, the denitration purpose is achieved, the denitrated flue gas enters the air inlet insertion pipe 202 of the desulfurization mechanism 3 through the exhaust pipe 203 of the denitration mechanism 2 and then is introduced into the storage box 201 of the desulfurization mechanism 3, alkaline solution is filled in the storage box 201 of the desulfurization mechanism 3, the purpose of desulfurizing can be achieved, the desulfurized flue gas is discharged through the exhaust pipe 203 of the desulfurization mechanism 3, further treatment is carried out, and the liquid in the two storage boxes 201 is in a flowing state, so that the concentration of the liquid can be fully absorbed by corresponding substances.
Before denitration and desulfurization are carried out on the flue gas, solid impurities in the flue gas are removed, as shown in fig. 2, a water storage cylinder 7 capable of storing water is fixedly arranged at the top end of the spray mixing box 1, and a main pipeline 11 extending into the spray mixing box 1 is fixedly arranged at the bottom end of the water storage cylinder 7;
the outer end of the main pipeline 11 is fixedly provided with a plurality of branch pipes 12, and the bottom end of each branch pipe 12 is fixedly provided with a plurality of spray heads 13 for spraying water to remove solid impurities in the flue gas.
The top end of the water storage barrel 7 is provided with a cover plate 8 through a bolt, and the top end of the cover plate 8 is fixedly provided with an inflation tube with a valve at the outer end to pressurize water in the water storage barrel 7;
the other side of the spray mixing box 1 is fixedly provided with a drain pipe which can collect wastewater.
The water is added into the water storage barrel 7, the water storage barrel 7 is sealed through the cover plate 8, the water storage barrel 7 is inflated and pressurized by the inflation tube, the water flows into the main pipeline 11 and the branch pipe 12 due to the air pressure and the weight of the water storage barrel, the sprayed water is finally sprayed out through the spray nozzle 13, the sprayed water is contacted with the flue gas passing through the inside of the spray mixing box 1, the water is used for absorbing solid impurities such as dust in the flue gas, the impurities fall into the bottom end of the inside of the spray mixing box 1 along with the water, the impurities can be discharged through the drain pipe, and part of oxidized nitrogen dioxide can be absorbed by the sprayed water, so that the denitration efficiency is improved.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (5)

1. The utility model provides a flue gas desulfurization denitration dust collector, includes spray mixing box (1), spray mixing box (1) one side and be equipped with denitration mechanism (2) and desulfurization mechanism (3), its characterized in that: a driving mechanism (6) capable of driving the smoke to flow is arranged at the top end of the spraying mixing box (1);
the driving mechanism (6) comprises a driving box (601) fixedly arranged at the top end of the spraying mixing box (1), a motor (5) playing a driving role is fixedly arranged at the front side of the driving box (601), a fixed shaft (604) is arranged in the driving box (601), two ends of the fixed shaft (604) are respectively and movably connected with the inner walls of the front side and the rear side of the driving box (601) through bearings, and one end of the fixed shaft (604) extends to the front side of the driving box (601) and is fixedly connected with an output shaft of the motor (5);
the outer end of the fixed shaft (604) is fixedly provided with a telescopic rod (605) with adjustable length, the top end of the telescopic rod (605) is fixedly provided with a bracket (606), a roller (607) is arranged in the bracket (606), and two ends of the roller (607) are respectively and movably connected with the inner walls of the front side and the rear side of the bracket (606) through bearings;
the inside elastic rubber film (603) that has elasticity that is equipped with of driving case (601), elastic rubber film (603) outer end is fixed and is equipped with frame (608), frame (608) top be equipped with driving case (601) inner wall fixed mounting panel (602), seal between mounting panel (602) and frame (608), elastic rubber film (603) are located fixed axle (604) bottom.
2. The flue gas desulfurization, denitrification and dust removal device according to claim 1, wherein: the front side of the spray mixing box (1) is provided with a sealing door (4) through a hinge, the other side of the spray mixing box (1) is fixedly provided with an ozone adding pipe (9) and an air inlet pipe (10), and the ozone adding pipe (9) and the air inlet pipe (10) are fixedly provided with one-way valves;
the air-conditioner is characterized in that air holes capable of balancing air pressure are formed in the front side of the driving box (601), the air holes are formed in the top of the motor (5), the denitration mechanism (2) comprises an air inlet insertion pipe (202) fixedly arranged on one side of the spraying mixing box (1), and a one-way valve is fixedly arranged on the air inlet insertion pipe (202).
3. The flue gas desulfurization, denitrification and dust removal device according to claim 2, wherein: the denitration mechanism (2) comprises a storage box (201) capable of storing liquid besides an air inlet insertion pipe (202), one end of the air inlet insertion pipe (202) extends into the storage box (201), and an exhaust pipe (203) is fixedly arranged at the top end of the storage box (201);
the front side and the rear side of the storage box (201) are fixedly provided with a circulation pipeline;
the desulfurization mechanism (3) has the same structure as the denitration mechanism (2), and is characterized in that water is stored in a storage box (201) of the denitration mechanism (2), an alkaline solution is stored in the storage box (201) of the desulfurization mechanism (3), and an exhaust pipe (203) of the denitration mechanism (2) is connected with an air inlet insertion pipe (202) of the desulfurization mechanism (3).
4. The flue gas desulfurization, denitrification and dust removal device according to claim 1, wherein: the top end of the spray mixing box (1) is fixedly provided with a water storage cylinder (7) capable of storing water, and the bottom end of the water storage cylinder (7) is fixedly provided with a main pipeline (11) extending into the spray mixing box (1);
the outer end of the main pipeline (11) is fixedly provided with a plurality of branch pipes (12), and the bottom end of each branch pipe (12) is fixedly provided with a plurality of spray heads (13).
5. The flue gas desulfurization, denitrification and dust removal device according to claim 4, wherein: a cover plate (8) is arranged at the top end of the water storage cylinder (7) through a bolt, and an inflation tube with a valve at the outer end is fixedly arranged at the top end of the cover plate (8);
the other side of the spraying mixing box (1) is fixedly provided with a drain pipe which can collect wastewater.
CN202320664153.0U 2023-03-30 2023-03-30 Flue gas desulfurization denitration dust collector Active CN219482164U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320664153.0U CN219482164U (en) 2023-03-30 2023-03-30 Flue gas desulfurization denitration dust collector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320664153.0U CN219482164U (en) 2023-03-30 2023-03-30 Flue gas desulfurization denitration dust collector

Publications (1)

Publication Number Publication Date
CN219482164U true CN219482164U (en) 2023-08-08

Family

ID=87507726

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320664153.0U Active CN219482164U (en) 2023-03-30 2023-03-30 Flue gas desulfurization denitration dust collector

Country Status (1)

Country Link
CN (1) CN219482164U (en)

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