Desulfurization and denitrification dust remover for flue gas purification
By using ultrasonic cleaning technology and ash discharge mechanism in the desulfurization and denitrition dust collector for flue gas purification, the problem of ash accumulation on the ceramic fiber filter plate is solved, the maintenance efficiency and filtration efficiency are improved, the service life of the equipment is extended, and the maintenance cost is reduced.
Patent Information
- Application Number
- CN202421084455.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-17
AI Technical Summary
The existing desulfurization and denitrification dust collectors for flue gas purification have a dust accumulation problem when using ceramic fiber filter plates, resulting in frequent disassembly and assembly and cleaning to increase maintenance costs, affect production efficiency, and have poor cleaning effect, shorten the service life of the filter plate.
A system including a blower and a dust collector is designed. The dust collector is equipped with a processing chamber, an installation groove and a dust removal mechanism. Ultrasonic generator and vibrating rod are used to automatically clean up the dust accumulation of the filter plate, and the dust removal mechanism is combined with the ash discharge mechanism to extract the dust. The ports and dust exhaust pipes achieve efficient collection and discharge of dust, and the filters are arranged in a linear array to improve filtration efficiency.
The installation and disassembly of the filter plate is simplified, maintenance efficiency is improved, the cleaning and filtration efficiency of the filter plate is ensured, the service life of the filter is extended, the maintenance cost is reduced, and the efficient purification of flue gas is achieved.
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Figure CN222305205U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of waste gas treatment equipment, in particular to a desulfurization and denitrification dust collector for flue gas purification. Background Art
[0002] The desulfurization and denitrification dust collector used for flue gas purification is a key environmental protection equipment. Its main function is to remove pollutants such as sulfur oxides, nitrogen oxides and particulate matter contained in industrial emissions. In the field of environmental protection, this equipment plays a vital role and can effectively reduce the emission of atmospheric pollutants and contribute to the protection of the environment and human health. Among them, the desulfurization function is its core part, which removes sulfur dioxide produced by fuel combustion through chemical reactions.
[0003] The existing flue gas purification desulfurization and denitrification dust collector has a good filtering effect on smoke dust using ceramic fiber filter plates in the early stage, but the dust accumulation problem gradually emerges after long-term use. When the dust accumulation is serious, multiple sets of filter plates must be taken out for cleaning. However, this practice brings many problems. First, frequent disassembly and installation of filter plates increases labor maintenance costs, and careless operation may cause damage, thereby increasing replacement costs. Secondly, each cleaning requires shutdown, affecting production efficiency. Furthermore, dust deep in the ceramic fiber is difficult to clean thoroughly. Finally, frequent cleaning and installation will wear the filter plate and shorten its service life. Utility Model Content
[0004] Based on this, the purpose of the utility model is to provide a desulfurization and denitrification dust collector for flue gas purification, so as to solve the dust accumulation problem of the existing desulfurization and denitrification dust collector for flue gas purification when using ceramic fiber filter plates, as well as the technical problems of high maintenance cost, affected production efficiency, poor cleaning effect and shortened service life of the filter plates due to frequent disassembly and cleaning of the filter plates.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a desulfurization and denitrification dust collector for flue gas purification, comprising an air inlet fan and a dust collector, the dust collector comprising a dust removal box, a processing chamber is provided inside the dust removal box, the processing chamber is used to process the exhaust gas, a plurality of mounting grooves are installed on the top of the dust removal box, a plurality of mounting plates are detachably connected in the plurality of mounting grooves, a plurality of filter plates are installed on the bottom of the mounting plate, the plurality of filter plates are divided into a plurality of groups, and the number of filter plates in each group corresponds to the number of the plurality of mounting plates;
[0006] A dust removal mechanism is provided at the bottom of the dust removal box, and the dust removal mechanism includes an equipment slot, which is opened at the bottom of the dust removal box, and an ultrasonic generator is installed inside the equipment slot. The ultrasonic generator is provided in two groups, and the output ends of the two groups of ultrasonic generators are both provided with a plurality of vibrating rods;
[0007] The two groups of ultrasonic generators are mirror-imaged along the width center line of the dust collector, the vibration rods are arranged between multiple filter plates, and a vibration guide plate is installed between the two groups of vibration rods. The vibration guide plate is used to amplify the vibration, and the vibration guide plate is arranged in an arc-shaped structure.
[0008] By adopting the above technical solution, the dust collector realizes a complete flue gas treatment system through the combination of the air inlet fan and the dust collector. The design of the dust box enables the exhaust gas to be effectively treated in a closed environment. At the same time, the design of the mounting groove and the mounting plate makes the installation and disassembly of the filter plate simple, which is convenient for maintenance and replacement.
[0009] Furthermore, a plurality of the vibrating rods are provided, and the plurality of vibrating rods are divided into two groups, and the plurality of vibrating rods in each group are arranged equidistantly in a linear array.
[0010] By adopting the above technical solution, multiple vibrating rods are arranged at equal distances to ensure that each filter plate can be cleaned evenly, thereby improving the cleaning efficiency and effect and preventing the occurrence of cleaning blind spots.
[0011] Furthermore, the dust removal mechanism can remove the dust on the filter plate.
[0012] By adopting the above technical solution, the dust on the filter plate can be effectively shaken off through the dust removal mechanism, especially the ultrasonic generator and the vibrating rod, so as to keep the filter plate clean and the filtering efficiency.
[0013] Furthermore, a dust removal mechanism is provided inside the two groups of ultrasonic generators, and the dust removal mechanism includes a dust extraction port. There are multiple dust extraction ports, and the multiple dust extraction ports are arranged in a linear array.
[0014] By adopting the above technical solution, the dust removal mechanism can effectively remove the shaken dust through multiple dust extraction ports to keep the inside of the dust collector clean, and the linear array arrangement of the dust extraction ports ensures uniform dust collection.
[0015] Furthermore, a dust exhaust pipe is provided at the bottom of the plurality of dust extraction ports, and the dust exhaust pipe is connected to an external dust exhaust fan.
[0016] By adopting the above technical solution, an efficient dust exhaust system is formed. The suction force generated by the external dust exhaust fan quickly discharges the dust out of the dust collector through the dust exhaust pipe to prevent dust accumulation.
[0017] Furthermore, a plurality of filter discs are arranged on the inner side of the filter plate, and the plurality of filter discs are used to filter sulfur dust and saltpeter dust.
[0018] By adopting the above technical solution, the design of the filter increases the filtration area and filtration efficiency, specifically targeting the filtration of sulfur dust and nitrate dust, and improving the effect of flue gas purification.
[0019] Furthermore, the plurality of filter discs are equidistantly arranged in a linear array, and the material of the plurality of filter discs is ceramic fiber.
[0020] By adopting the above technical solution, the linear array arrangement of the filter discs ensures the uniformity of filtration, and the ceramic fiber material has good high temperature resistance and corrosion resistance, which increases the service life of the filter discs.
[0021] Furthermore, one side of the dust collector is connected to the output end of the air inlet fan through an air duct, and the other side of the dust collector is connected to a smoke exhaust tower through a smoke exhaust port.
[0022] By adopting the above technical solution, the flue gas can smoothly enter the dust collector for treatment, and the treated flue gas is then discharged through the smoke exhaust tower, ensuring the continuity and efficiency of the entire treatment process.
[0023] Furthermore, the input end of the air inlet fan is connected to an external desulfurization and denitrification purifier.
[0024] By adopting the above technical solution, the flue gas is pre-treated by an external desulfurization and denitrification purifier before entering the dust collector, thereby further reducing the content of harmful substances in the flue gas.
[0025] Furthermore, a ladder is provided on the outer surface of the dust collector, and the ladder is convenient for inspecting and repairing the dust collector.
[0026] By adopting the above technical solution, the design of the ladder provides convenience for the staff, enabling them to easily reach various parts of the dust collector for inspection and maintenance work.
[0027] In summary, the utility model mainly has the following beneficial effects:
[0028] 1. The utility model sets a dust removal mechanism, wherein the design of the mounting slot and the mounting plate simplifies the installation and disassembly process of the filter plate, improves maintenance efficiency and reduces costs. The filter plate, as a key component, can effectively capture particulate matter and realize flue gas purification. The grouping setting increases the filtration area and efficiency. The dust removal mechanism uses ultrasonic technology to clean the dust accumulated on the filter plate, which is more efficient and non-destructive than the traditional method. The equipment slot protects the ultrasonic generator and the vibrating rod from interference. The ultrasonic wave generated by the ultrasonic generator loosens the dust through the vibrating rod to realize automatic dust cleaning. The vibrating rod evenly cleans each filter plate through high-frequency vibration to improve efficiency. The vibration guide plate enhances the vibration effect to ensure that the dust is completely shaken off and prevents the filter plate from being damaged.
[0029] 2. The utility model is provided with an ash discharge mechanism, and the design of the ash discharge mechanism can timely and effectively collect and discharge the dust shaken off the filter plate, keep the inside of the dust collector clean, and ensure its continuous and efficient operation. Multiple dust extraction ports are arranged in a linear array to cover a wide area, and the dust shaken off by each filter plate can be accurately collected. The dust discharge pipe is connected to an external dust discharge fan to form an efficient dust discharge system, which can quickly extract dust from the dust collector to prevent internal accumulation, ensure the efficient operation of the dust collector, simplify the dust cleaning process, and reduce maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0030] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0031] Figure 2 It is a side view stereoscopic structural schematic diagram of the utility model;
[0032] Figure 3 It is a schematic diagram of a side-view cross-sectional three-dimensional structure of the utility model;
[0033] Figure 4 It is a bottom-view cross-sectional three-dimensional structural schematic diagram of the utility model.
[0034] In the figure: 1. Air inlet fan; 2. Ladder; 3. Dust collector; 301. Dust removal box; 302. Processing chamber; 303. Mounting plate; 304. Smoke exhaust port; 305. Filter plate; 306. Filter disc; 4. Smoke exhaust tower; 5. Dust removal mechanism; 501. Equipment slot; 502. Ultrasonic generator; 503. Vibrating rod; 504. Vibration guide plate; 6. Ash removal mechanism; 601. Dust extraction port; 602. Dust exhaust pipe. DETAILED DESCRIPTION
[0035] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.
[0036] The following describes an embodiment of the utility model based on its overall structure.
[0037] Embodiment 1:
[0038] A desulfurization and denitrification dust collector for flue gas purification, such as Figure 1-Figure 4As shown, it includes an air inlet fan 1 and a dust collector 3. The dust collector 3 includes a dust box 301. A processing chamber 302 is provided inside the dust box 301. The processing chamber 302 is used to process exhaust gas. A plurality of mounting slots are installed on the top of the dust box 301. A plurality of mounting plates 303 are detachably connected in the plurality of mounting slots. A plurality of filter plates 305 are installed at the bottom of the mounting plates 303. The plurality of filter plates 305 are divided into a plurality of groups, and the number of filter plates 305 in each group corresponds to the number of the plurality of mounting plates 303. A dust removal mechanism 5 is provided at the bottom of the dust box 301. The dust removal mechanism 5 includes an equipment slot 501. The equipment slot 501 is provided at the bottom of the dust box 301. An ultrasonic generator 502 is installed inside the equipment slot 501. The ultrasonic generator There are two groups of 502, and the output ends of the two groups of ultrasonic generators 502 are both provided with multiple vibration rods 503; the two groups of ultrasonic generators 502 are mirror-imaged along the width center line of the dust collector 3, and the vibration rods 503 are arranged between multiple filter plates 305. A vibration guide plate 504 is installed between the two groups of vibration rods 503, and the vibration guide plate 504 is used to amplify the vibration. The vibration guide plate 504 is arranged in an arc-shaped structure. Through the synergistic effect of the air inlet fan 1 and the dust collector 3, effective treatment of the exhaust gas is achieved. The dust removal box 301 and the processing chamber 302 provide a closed processing environment for the exhaust gas. The design of the mounting groove and the mounting plate 303 facilitates the installation, disassembly, maintenance and replacement of the filter plate 305, thereby improving the usability and maintainability of the equipment.
[0039] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 A plurality of vibrating rods 503 are provided, and the plurality of vibrating rods 503 are divided into two groups, and the plurality of vibrating rods 503 in each group are arranged equidistantly in a linear array. By providing a plurality of vibrating rods 503 and arranging them equidistantly in a linear array, the filter plate 305 can be ensured to be cleaned evenly and effectively. This layout improves the efficiency and effect of cleaning, avoids the generation of cleaning blind spots, and thus maintains the optimal filtering performance of the filter plate.
[0040] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 The dust removal mechanism 5 can shake off the dust on the filter plate 305. The dust removal mechanism 5 can effectively shake off the dust on the filter plate 305 through the action of the ultrasonic generator 502 and the vibrating rod 503, preventing dust accumulation from affecting the filtering effect, thereby maintaining the cleanliness and efficient filtering ability of the filter plate.
[0041] Embodiment 2:
[0042] See also Figure 1 , Figure 2 , Figure 3 , Figure 4A dust removal mechanism 6 is arranged on the inner side of the two groups of ultrasonic generators 502. The dust removal mechanism 6 includes a dust extraction port 601. A plurality of dust extraction ports 601 are arranged. The plurality of dust extraction ports 601 are arranged in a linear array. The dust removal mechanism 6 can effectively remove the dust that is shaken off by setting a plurality of dust extraction ports 601 to keep the inside of the dust collector clean. The linear array arrangement of the dust extraction ports 601 ensures uniform and efficient collection of dust.
[0043] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 A dust exhaust pipe 602 is provided at the bottom of the multiple dust extraction ports 601, and the dust exhaust pipe 602 is connected to an external dust exhaust fan. The connection between the dust exhaust pipe 602 and the external dust exhaust fan forms an efficient dust exhaust system. The suction force generated by the external dust exhaust fan can quickly discharge the dust out of the dust collector through the dust exhaust pipe 602, effectively preventing dust from accumulating inside the dust collector and ensuring the continuous and efficient operation of the dust collector.
[0044] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 A plurality of filter discs 306 are arranged on the inner side of the filter plate 305, and the plurality of filter discs 306 are used to filter sulfur dust and saltpeter dust. By arranging a plurality of filter discs 306, the filtering area and filtering efficiency are increased, which are specially used to filter sulfur dust and saltpeter dust, and the effect and quality of flue gas purification are significantly improved.
[0045] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 Multiple filter discs 306 are equidistantly arranged in a linear array. The material of multiple filter discs 306 is ceramic fiber. The linear array equidistant arrangement of the filter discs 306 ensures the uniformity and efficiency of filtration. The ceramic fiber material has good high temperature resistance and corrosion resistance, which extends the service life of the filter disc and improves the reliability and durability of the equipment.
[0046] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 One side of the dust collector 3 is connected to the output end of the air inlet fan 1 through an air duct, and the other side of the dust collector 3 is connected to the smoke exhaust tower 4 through a smoke exhaust port 304. The flue gas can smoothly enter the dust collector 3 for treatment, and the treated flue gas is then discharged through the smoke exhaust tower 4, thereby achieving the continuity and efficiency of the entire treatment process and improving the efficiency of waste gas treatment.
[0047] See also Figure 1 , Figure 2 , Figure 3 , Figure 4The input end of the air inlet fan 1 is connected to the external desulfurization and denitrification purifier. Before the flue gas enters the dust collector, it is pre-treated by the external desulfurization and denitrification purifier, which helps to further reduce the content of harmful substances in the flue gas and improve the overall purification effect.
[0048] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 A ladder 2 is provided on the outer surface of the dust collector 3, and the ladder 2 is convenient for inspecting the dust collector 3. The design of the ladder 2 provides a convenient inspection channel for the staff, so that they can easily reach various parts of the dust collector for inspection and maintenance work, thereby improving the maintainability and operating convenience of the equipment.
[0049] The implementation principle of the utility model is as follows: first, the air intake fan 1 needs to be started, which sucks in the external flue gas to be processed and transports it to the processing chamber 302 of the dust collector 3 through the air duct. Then, after the flue gas enters the processing chamber 302, it will pass through the filter plate 305 at the bottom of the mounting plate 303. The multiple filter sheets 306 arranged inside the filter plate 305 will filter the sulfur dust and nitrate dust in the flue gas to achieve preliminary purification of the flue gas.
[0050] While the smoke is being filtered, the dust removal mechanism 5 starts to work, and the ultrasonic generator 502 in the equipment slot 501 starts to generate ultrasonic waves and convert them into mechanical vibrations through the vibration rods 503. These vibration rods 503 are located between the filter plates 305, and the dust accumulated on the filter plates 305 is shaken off by vibration. The vibration guide sheet 504 enhances the vibration effect to ensure that the dust can be shaken off completely.
[0051] The dust that is shaken off will fall near the dust extraction ports 601 of the dust extraction mechanism 6. These dust extraction ports 601 are arranged in a linear array to collect dust in the largest range. Subsequently, the dust is extracted by an external dust extraction fan through a dust extraction pipe 602, thereby keeping the interior of the dust collector clean.
[0052] The quality of the flue gas after being filtered by the filter plate 305 and cleaned by the dust removal mechanism 5 is significantly improved. The purified flue gas finally enters the smoke exhaust tower 4 through the smoke exhaust port 304 and is then discharged into the atmosphere.
[0053] In addition, a ladder 2 is provided on the outer surface of the dust collector to facilitate the staff to regularly inspect and maintain the dust collector. The staff can regularly check the wear of the filter plate 305 and the filter disc 306 and replace damaged or excessively worn parts in time.
[0054] Parts not involved in the present invention are the same as the prior art or can be implemented by using the prior art, and will not be described in detail here.
[0055] Although an embodiment of the utility model has been shown and described, this specific embodiment is only an explanation of the utility model and is not a limitation of the utility model. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contribution as needed without departing from the principles and purpose of the utility model. However, as long as they are within the scope of the claims of the utility model, they are protected by patent law.
Claims
1. A desulfurization and denitrification dust collector for flue gas purification, characterized in that: The invention comprises an air inlet fan (1) and a dust collector (3), wherein the dust collector (3) comprises a dust removal box (301), wherein a processing chamber (302) is provided inside the dust removal box (301), wherein the processing chamber (302) is used to process waste gas, wherein a plurality of mounting slots are installed on the top of the dust removal box (301), wherein a plurality of mounting plates (303) are detachably connected in the plurality of mounting slots, wherein a plurality of filter plates (305) are installed on the bottom of the mounting plate (303), wherein the plurality of filter plates (305) are divided into a plurality of groups, and the number of filter plates (305) in each group corresponds to the number of the plurality of mounting plates (303); A dust removal mechanism (5) is provided at the bottom of the dust removal box (301), and the dust removal mechanism (5) comprises a device slot (501), the device slot (501) is opened at the bottom of the dust removal box (301), an ultrasonic generator (502) is installed inside the device slot (501), two groups of ultrasonic generators (502) are provided, and output ends of the two groups of ultrasonic generators (502) are both provided with a plurality of vibration rods (503); The two groups of ultrasonic generators (502) are arranged in a mirror image along the width center line of the dust collector (3); the vibration rod (503) is arranged between the multiple filter plates (305); a vibration guide plate (504) is installed between the two groups of vibration rods (503); the vibration guide plate (504) is used to amplify vibration; and the vibration guide plate (504) is arranged in an arc-shaped structure.
2. The desulfurization and denitrification dust collector for flue gas purification according to claim 1 is characterized in that: A plurality of the vibrating rods (503) are provided, and the plurality of vibrating rods (503) are divided into two groups, and the plurality of vibrating rods (503) in each group are arranged equidistantly in a linear array.
3. The desulfurization and denitrification dust collector for flue gas purification according to claim 1 is characterized in that: The dust removal mechanism (5) can shake off the dust on the filter plate (305).
4. The desulfurization and denitrification dust collector for flue gas purification according to claim 1, characterized in that: An ash removal mechanism (6) is provided inside the two groups of ultrasonic generators (502), and the ash removal mechanism (6) comprises a dust extraction port (601). A plurality of the dust extraction ports (601) are provided, and the plurality of dust extraction ports (601) are arranged in a linear array.
5. The desulfurization and denitrification dust collector for flue gas purification according to claim 4, characterized in that: A dust exhaust pipe (602) is provided at the bottom of the plurality of dust extraction ports (601), and the dust exhaust pipe (602) is connected to an external dust exhaust fan.
6. The desulfurization and denitrification dust collector for flue gas purification according to claim 1, characterized in that: A plurality of filter discs (306) are arranged on the inner side of the filter plate (305), and the plurality of filter discs (306) are used to filter sulfur dust and saltpeter dust.
7. The desulfurization and denitrification dust collector for flue gas purification according to claim 1 is characterized in that: The plurality of filter plates (306) are arranged in a linear array at equal intervals, and the material of the plurality of filter plates (306) is ceramic fiber.
8. The desulfurization and denitrification dust collector for flue gas purification according to claim 1, characterized in that: One side of the dust collector (3) is connected to the output end of the air inlet fan (1) via an air duct, and the other side of the dust collector (3) is connected to a smoke exhaust tower (4) via a smoke exhaust port (304).
9. The desulfurization and denitrification dust collector for flue gas purification according to claim 1, characterized in that: The input end of the air inlet fan (1) is connected to an external desulfurization and denitrification purifier.
10. The desulfurization and denitrification dust collector for flue gas purification according to claim 1, characterized in that: The outer surface of the dust collector (3) is provided with a ladder (2), and the ladder (2) is convenient for inspecting and repairing the dust collector (3).