Deep desulfurization and denitrification treatment device for boiler flue gas
By combining the design of water bath, spray box and adsorption box, and using motor-driven scrapers to clean impurities, the problems of poor desulfurization and denitrification and impurity accumulation in existing equipment have been solved, achieving efficient and stable flue gas purification and long-term operation of the equipment.
Patent Information
- Application Number
- CN202520381301.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2026-01-06
- Estimated Expiration
- 2035-03-06
AI Technical Summary
Existing boiler flue gas desulfurization and denitrification devices use a single desulfurization and denitrification method, which makes it difficult to meet strict environmental protection standards and cannot effectively remove precipitated impurities, leading to scaling, which affects equipment stability and maintenance costs.
It adopts a combination design of water bath, spray box, adsorption box and cleaning mechanism to purify flue gas through multi-stage purification, and uses motor-driven scrapers to remove sediment and impurities during sewage discharge to avoid impurity accumulation.
It improves the efficiency and effectiveness of desulfurization and denitrification, ensures that gas emissions meet standards, reduces the risk of equipment failure, extends service life, and reduces maintenance costs.
Smart Images
Figure CN223769276U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of boiler, in particular, relate to boiler flue gas depth desulfurization and denitrification treatment device. BACKGROUND
[0002] With the increasingly strict environmental protection requirement, industrial waste gas emission control becomes a key issue. As a common equipment in industrial production, the flue gas generated by the combustion of the boiler contains a large amount of sulfur dioxide and nitrogen oxides. These pollutants not only cause environmental problems such as acid rain and haze, but also seriously threaten human health. Therefore, it is urgent to carry out deep desulfurization and denitrification treatment on the boiler flue gas.
[0003] At present, there are many boiler flue gas desulfurization and denitrification technologies and devices on the market. However, some traditional devices have obvious defects. On the one hand, the desulfurization and denitrification method is relatively single. For example, some treatment equipment only relies on simple spraying, which can only carry out basic desulfurization and denitrification operation, and is difficult to meet the increasingly stringent environmental protection standards, resulting in unsatisfactory desulfurization and denitrification effect. On the other hand, during the pollution discharge process, the deposited impurities cannot be effectively scraped off, and the impurities continue to accumulate, which is easy to cause scaling phenomenon, which not only increases the equipment maintenance cost, but also seriously affects the stability of equipment operation.
[0004] Therefore, we provide a boiler flue gas deep desulfurization and denitrification treatment device to solve the above problems. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at providing a boiler flue gas deep desulfurization and denitrification treatment device. Through the cooperation of the water bath box, the spraying box, the adsorption box and the cleaning mechanism, the problem of single desulfurization and denitrification method of the existing boiler flue gas deep desulfurization and denitrification treatment device, poor desulfurization and denitrification effect and inability to scrape off the deposited impurities during the pollution discharge process, which is easy to cause impurity accumulation and scaling, is solved.
[0006] To solve the above technical problems, the utility model is realized by the following technical scheme.
[0007] The utility model discloses a boiler flue gas depth desulfurization and denitrification treatment device, including water bath case, the back bottom of water bath case is fixedly connected with cleaning mechanism, the top of water bath case is fixedly connected with spray case, the bottom of water bath case is fixedly connected with support mechanism, one side of support mechanism top is fixedly connected with adsorption box, one side of spray case is fixedly connected with fan, one side of water bath case inner chamber is fixedly connected with the air pipe, the surface of air pipe is provided with the air hole that distributes evenly, the bottom of fan and air pipe one end intercommunication, the cleaning mechanism includes the casing, the casing is fixed in spray case inner wall, one side of spray case is fixedly connected with motor, and the motor output penetrates to the inner chamber of casing and is fixedly connected with the thread rod of surface thread opposite, and the thread rod surface thread is connected with the moving sleeve, and the moving sleeve bottom is fixedly connected with the scraper, and the bottom of water bath case is communicated with the blowdown pipe, and through the unique structure layout, water bath case, spray case, adsorption box and cleaning mechanism organic combination, flue gas is in turn through water bath case preliminary purification, spray case secondary treatment, adsorption box depth purification, and the multi-stage treatment process greatly improves the efficiency and effect of desulfurization and denitrification, ensures that the discharge gas reaches the standard, simultaneously, the cleaning mechanism can utilize motor drive thread rod to drive scraper when discharging sewage, and the impurities deposited in the bottom of water bath case are pushed to the blowdown pipe and are discharged, effectively avoid the impurities accumulation scale, reduce the equipment failure risk, guarantee device long -term stable and efficient operation, prolong the service life of equipment.
[0008] The utility model further sets up, the inner chamber top of casing is equipped with the chute, the inner wall sliding of chute is connected with the sliding block, the sliding block bottom is fixedly connected with the moving sleeve top, and the cooperation of chute and sliding block provides stable direction for the movement of moving sleeve, ensures that the scraper moves stably when cleaning impurities, improves the cleaning effect, prolongs the service life of cleaning mechanism simultaneously.
[0009] The utility model further sets up, one side bottom of spray case and one side top of water bath case are connected with the gas pipe, and the bottom of spray case and the top of water bath case are connected with the water pipe, and one side top of spray case and one side bottom of adsorption box are connected with the conveying pipe, and the intercommunication design of gas pipe, water pipe and conveying pipe makes the gas and liquid transmission between each part in the device smooth, guarantees the coherence of desulfurization and denitrification process, and optimizes the overall processing efficiency.
[0010] The utility model further sets up, the back of water bath case is fixedly connected with the water storage tank, the inner wall of spray case is fixedly connected with the distribution even refinement net board, the inner chamber top of spray case is fixedly connected with atomizing spray board, the top of spray case is fixedly connected with water pump, and the bottom of water pump and atomizing spray board top intercommunication, and the back of water pump and water storage tank intercommunication, and the combination of water storage tank, water pump, atomizing spray board and refinement net board realizes the recycling of desulfurization and denitrification liquid and efficient atomizing spray, and the adsorption membrane formed by refinement net board further strengthens the impurity removal effect, and improves the processing efficiency.
[0011] The utility model further sets up, first support net board and second support net board are fixedly connected with the inner wall of adsorption box respectively, adsorption filler is filled between first support net board and second support net board, the design of first support net board, second support net board and adsorption filler makes adsorption box can carry out gas again purification, further improved the effect of depth desulfurization and denitrification, ensure that the exhaust gas meets environmental protection standard.
[0012] The utility model further sets up, the top of adsorption box front is provided with sealing plate, the surface of sealing plate is provided with bolt, and sealing plate is fixedly connected with adsorption box through bolt, the design of sealing plate and bolt, convenient for the replacement and maintenance of adsorption filler in adsorption box, guarantee adsorption box to play the purification effect continuously and stably.
[0013] The utility model further sets up, the bottom of spray tank front is fixedly connected with control key one side, and the top of spray tank front is fixedly connected with nameplate one side, and control key is convenient for operating personnel to control and operate the device, and nameplate provides the basic information of device, and equipment management and maintenance are convenient.
[0014] The utility model further sets up, support mechanism includes bottom plate, and the bottom plate top is fixedly connected with adsorption box bottom, and the one side of bottom plate top is fixedly connected with side plate, and the top of side plate is fixedly connected with water bath tank bottom, and the structural design of support mechanism provides stable support for whole device, guarantees the installation of water bath tank and adsorption box is stable, ensures that the device does not occur in the running process and shifts or displacement.
[0015] The utility model has the advantages of the following.
[0016] 1, the utility model discloses a fan is introduced to the outside flue gas, is even sprayed into water bath tank through the outlet pipe, and the desulfurization and denitrification liquid is used to remove impurities and harmful substances initially, and then the gas enters the spray tank, and the water pump transports the desulfurization and denitrification liquid in the water storage tank to the atomizing spray plate and sprays, further purifies, and forms an adsorption film on the refining screen plate, and the impurity removal effect is improved again, finally, the gas enters the adsorption box, and the first, second support net board and adsorption filler jointly act, realize depth purification, ensure that the exhaust gas reaches the strict environmental protection standard, greatly improve the efficiency and effect of desulfurization and denitrification.
[0017] 2, the utility model discloses when the device is running for a period of time and discharges pollutants, part of solid impurities is deposited in the bottom of water bath tank, at this time, the motor is started, and the motor drives the screw rod with opposite surface threads to rotate, drives the moving sleeve and scraper to push the deposited impurities to the blowdown pipe and discharges, effectively avoids that the impurities are long-term accumulated and formed scale in the bottom of water bath tank, reduces the fault risk of equipment due to scale, guarantees that the device can long-term stably and efficiently operate, prolongs the service life of equipment, and reduces maintenance cost. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed for the description of the embodiments will be briefly introduced.
[0019] Figure 1 It is a perspective view of the boiler flue gas deep desulfurization and denitrification treatment device.
[0020] Figure 2 It is a perspective view of the local structure of the boiler flue gas deep desulfurization and denitrification treatment device.
[0021] Figure 3 It is a perspective view of the water bath tank and the spray tank of the boiler flue gas deep desulfurization and denitrification treatment device.
[0022] Figure 4 It is a perspective view of the adsorption tank of the boiler flue gas deep desulfurization and denitrification treatment device.
[0023] Figure 5 It is a perspective view of the cleaning mechanism of the boiler flue gas deep desulfurization and denitrification treatment device.
[0024] In the drawings: 1, water bath tank; 2, cleaning mechanism; 3, spray tank; 4, supporting mechanism; 5, adsorption tank; 6, fan; 7, gas outlet pipe; 8, gas outlet hole; 201, shell; 202, motor; 203, threaded rod; 204, moving sleeve; 205, scraper; 206, blowdown pipe; 2011, chute; 2012, sliding block; 9, water storage tank; 10, refined mesh plate; 11, atomizing spray plate; 12, water pump; 13, first supporting mesh plate; 14, second supporting mesh plate; 15, bottom plate; 16, side plate. DETAILED DESCRIPTION
[0025] The technical scheme in the embodiments of the present application will be described below in combination with the drawings in the embodiments of the present application. The described embodiments are only some of the embodiments of the present application, not all the embodiments.
[0026] Embodiment one
[0027] Please refer to Figures 1-5The utility model discloses a boiler flue gas depth desulfurization and denitrification treatment device, including water bath box 1, the back bottom of water bath box 1 is fixedly connected with cleaning mechanism 2, the top of water bath box 1 is fixedly connected with spray tank 3, the bottom of water bath box 1 is fixedly connected with support mechanism 4, and one side of the top of support mechanism 4 is fixedly connected with adsorption tank 5, one side of spray tank 3 is fixedly connected with fan 6, and one side of the inner chamber of water bath box 1 is fixedly connected with gas outlet pipe 7, and the surface of gas outlet pipe 7 is provided with evenly distributed gas outlet hole 8, and the bottom of fan 6 is communicated with one end of gas outlet pipe 7, cleaning mechanism 2 includes the casing 201, and the casing 201 is fixed in the inner wall of spray tank 3, and one side of spray tank 3 is fixedly connected with motor 202, and the output of motor 202 is communicated to the inner chamber of casing 201 and is fixedly connected with the threaded rod 203 of opposite surface thread, and the surface of threaded rod 203 is connected with moving sleeve 204, and the bottom of moving sleeve 204 is fixedly connected with scraper 205, and the bottom of water bath box 1 is communicated with blowdown pipe 206.
[0028] Specific: through the unique structure layout, water bath box 1, spray tank 3, adsorption tank 5 and cleaning mechanism 2 organic combination, flue gas is sequentially through water bath box 1 preliminary purification, spray tank 3 secondary treatment, adsorption tank 5 depth purification, and the efficiency and effect of multi-stage treatment process greatly improve the desulfurization and denitrification, ensure that the discharge gas meets the standard, and simultaneously, cleaning mechanism 2 can use motor 202 to drive threaded rod 203 to drive scraper 205 when discharging sewage, and the impurities deposited at the bottom of water bath box 1 are pushed to blowdown pipe 206 and are discharged, effectively avoid the impurities to accumulate and form scale, reduce the equipment failure risk, guarantee the long-term stable and efficient operation of device, prolong the service life of equipment.
[0029] Example two
[0030] Please refer to Figures 1-5On the basis of embodiment one, the inner cavity of the shell 201 is provided with a chute 2011 at the top, the inner wall of the chute 2011 is slidably connected with a sliding block 2012, the bottom of the sliding block 2012 is fixedly connected with the top of the moving sleeve 204, the bottom of one side of the spray tank 3 is communicated with the top of one side of the water bath tank 1 through a gas conveying pipe, the bottom of the spray tank 3 is communicated with the top of the water bath tank 1 through a water conveying pipe, the top of one side of the spray tank 3 is communicated with the bottom of one side of the adsorption tank 5 through a conveying pipe, the back of the water bath tank 1 is fixedly connected with a water storage tank 9, the inner wall of the spray tank 3 is fixedly connected with a uniform distribution of a refining mesh plate 10, the top of the inner cavity of the spray tank 3 is fixedly connected with an atomizing spray plate 11, the top of the spray tank 3 is fixedly connected with a water pump 12, the bottom of the water pump 12 is communicated with the top of the atomizing spray plate 11, the back of the water pump 12 is communicated with the water storage tank 9, the inner wall of the adsorption tank 5 is respectively fixedly connected with a first supporting mesh plate 13 and a second supporting mesh plate 14, the first supporting mesh plate 13 and the second supporting mesh plate 14 are filled with adsorption filler, the front top of the adsorption tank 5 is provided with a sealing plate, the surface of the sealing plate is provided with a bolt, and the sealing plate is fixedly connected with the adsorption tank 5 through the bolt. The front bottom of one side of the spray tank 3 is fixedly connected with a control key, the front top of one side of the spray tank 3 is fixedly connected with a nameplate, and the supporting mechanism 4 comprises a bottom plate 15, the top of the bottom plate 15 is fixedly connected with the bottom of the adsorption tank 5, the top of one side of the bottom plate 15 is fixedly connected with a side plate 16, and the top of the side plate 16 is fixedly connected with the bottom of the water bath tank 1.
[0031] Specifically: the cooperation of the chute 2011 and the sliding block 2012 provides stable guidance for the movement of the moving sleeve 204, ensures the stable movement of the scraper 205 when cleaning impurities, improves the cleaning effect, prolongs the service life of the cleaning mechanism 2, the communication design of the gas conveying pipe, the water conveying pipe and the conveying pipe makes the gas and liquid transmission between each part of the device smooth, guarantees the coherence of the desulfurization and denitrification process, optimizes the overall processing efficiency, the combination of the water storage tank 9, the water pump 12, the atomizing spray plate 11 and the refining mesh plate 10 realizes the recycling and efficient atomizing spray of the desulfurization and denitrification liquid, the adsorption film formed by the refining mesh plate 10 further enhances the impurity removal effect and improves the processing efficiency, the design of the first supporting mesh plate 13, the second supporting mesh plate 14 and the adsorption filler enables the adsorption tank 5 to purify the gas again, further improves the effect of deep desulfurization and denitrification, ensures that the exhaust gas meets the environmental protection standard, the design of the sealing plate and the bolt facilitates the replacement and maintenance of the adsorption filler in the adsorption tank 5, ensures that the adsorption tank 5 continuously and stably plays the role of purification, the control key facilitates the operation personnel to control and operate the device, the nameplate provides basic information of the device, which is convenient for equipment management and maintenance, and the structural design of the supporting mechanism 4 provides stable support for the whole device, ensures the stable installation of the water bath tank 1 and the adsorption tank 5, and ensures that the device will not shake or displace during operation.
[0032] The working principle of the utility model is: the top of fan 6 is communicated with external flue gas collecting equipment, flue gas is delivered to air outlet pipe 7 by fan 6, the evenly distributed air outlet hole 8 on the surface of air outlet pipe 7 sprays flue gas evenly, the desulfurization and denitration liquid in water bath box 1 removes the impurities and harmful substances in flue gas preliminarily, the gas is delivered to spray tank 3 through gas delivery pipe, start water pump 12, water pump 12 draws the desulfurization and denitration liquid from water storage tank 9 and delivers it to atomizing spray plate 11, atomizing spray plate 11 sprays the desulfurization and denitration liquid, the sprayed desulfurization and denitration liquid further removes the impurities and harmful substances remaining in air, and the sprayed desulfurization and denitration liquid forms an adsorption film on the surface of refining mesh plate 10, further improving the impurity removal effect and efficiency, the delivery pipe delivers the gas to adsorption tank 5, the first support mesh plate 13 and the second support mesh plate 14 in adsorption tank 5 cooperate with the adsorption filler to purify the gas again, thereby realizing the purpose of deep denitration and desulfurization, when the device is used for a period of time and needs to be discharged, after the sewage is discharged, a part of solid impurities precipitate in the inner cavity bottom of water bath box 1 and need to be cleaned in time, start motor 202, the output end of motor 202 drives the rotation of screw rod 203 with opposite surface threads, screw rod 203 with opposite surface threads drives the movement of moving sleeve 204, moving sleeve 204 drives the movement of scraper 205, realizing the pushing of impurities to discharge pipe 206 for discharge, avoiding the scaling of impurities in the inner cavity bottom of water bath box 1, and avoiding the influence of long-term scaling on the normal work of the boiler flue gas deep desulfurization and denitration treatment device.
[0033] The above disclosed preferred embodiments of the utility model are only used for helping to describe the utility model, the preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation mode, the description selects and specifically describes these embodiments, in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model.
Claims
1. A boiler flue gas deep desulfurization and denitrification treatment device, comprising a water bath box (1), characterized in that: The back bottom of the water bath box (1) is fixedly connected with a cleaning mechanism (2), the top of the water bath box (1) is fixedly connected with a spraying box (3), the bottom of the water bath box (1) is fixedly connected with a supporting mechanism (4), and one side of the top of the supporting mechanism (4) is fixedly connected with an adsorption box (5). One side of the spraying box (3) is fixedly connected with a fan (6), one side of the inner cavity of the water bath box (1) is fixedly connected with an air outlet pipe (7), a plurality of air outlet holes (8) are arranged on the surface of the air outlet pipe (7) in a distributed manner, and the bottom of the fan (6) is in communication with one end of the air outlet pipe (7). The cleaning mechanism (2) comprises a shell (201), the shell (201) is fixed to the inner wall of the spraying box (3), one side of the spraying box (3) is fixedly connected with a motor (202), the output end of the motor (202) penetrates into the inner cavity of the shell (201) and is fixedly connected with a threaded rod (203) with opposite threads on the surface, the threaded rod (203) is fixedly connected with a moving sleeve (204) through threads on the surface, the bottom of the moving sleeve (204) is fixedly connected with a scraper (205), and the bottom of the water bath box (1) is communicated with a sewage pipe (206).
2. The boiler flue gas deep desulfurization and denitrification treatment device according to claim 1, characterized in that: A chute (2011) is arranged on the top of the inner cavity of the shell (201), and a sliding block (2012) is slidably connected to the inner wall of the chute (2011).
3. The boiler flue gas deep desulfurization and denitrification treatment device according to claim 1, characterized in that: A gas conveying pipe is in communication between one side of the bottom of the spraying box (3) and one side of the top of the water bath box (1), a water conveying pipe is in communication between the bottom of the spraying box (3) and the top of the water bath box (1), and a conveying pipe is in communication between one side of the top of the spraying box (3) and one side of the bottom of the adsorption box (5).
4. The boiler flue gas deep desulfurization and denitrification treatment device according to claim 1, characterized in that: The back of the water bath box (1) is fixedly connected with a water storage tank (9), the inner wall of the spraying box (3) is fixedly connected with a plurality of distributed refining mesh plates (10), the inner cavity of the spraying box (3) is fixedly connected with an atomizing spraying plate (11) on the top, the top of the spraying box (3) is fixedly connected with a water pump (12), the bottom of the water pump (12) is in communication with the top of the atomizing spraying plate (11), and the back of the water pump (12) is in communication with the water storage tank (9).
5. The boiler flue gas deep desulfurization and denitrification treatment device according to claim 1, characterized in that: First and second supporting mesh plates (13) and (14) are respectively fixedly connected to the inner wall of the adsorption box (5), and adsorbing fillers are filled between the first and second supporting mesh plates (13) and (14).
6. The boiler flue gas deep desulfurization and denitrification treatment device according to claim 1, characterized in that: A sealing plate is arranged on the front top of the adsorption box (5), bolts are arranged on the surface of the sealing plate in a penetrating manner, and the sealing plate is fixedly connected with the adsorption box (5) through the bolts.
7. The boiler flue gas deep desulfurization and denitrification treatment device according to claim 1, characterized in that: A control key is fixedly connected to one side of the front bottom of the spraying box (3), and a nameplate is fixedly connected to one side of the front top of the spraying box (3).
8. The boiler flue gas deep desulfurization and denitrification treatment device according to claim 1, characterized in that: The supporting mechanism (4) comprises a bottom plate (15), the top of the bottom plate (15) is fixedly connected with the bottom of the adsorption box (5), one side of the top of the bottom plate (15) is fixedly connected with a side plate (16), and the top of the side plate (16) is fixedly connected with the bottom of the water bath box (1).