Honeycomb type modularized self-cleaning demisting device

Abstract

The honeycomb type modular self-cleaning demisting device comprises a frame, a support, a tray, a demisting filter element and a spraying unit, on the basis, in the assembly and preparation process of the honeycomb type modular self-cleaning demisting device, the support can be connected to the frame to form a whole, the spraying unit is arranged in the middle of the frame, and the tray is arranged in the middle of the frame. The tray is connected with the frame and the support, different demisting filter elements are arranged on the tray in a combined mode, the demisting filter elements can effectively treat smoke generated in the chemical industry, the electric power industry, the metallurgy industry and the like, and the demisting efficiency is remarkably improved. According to the system, the spraying unit arranged in the middle of the frame is adopted, liquid spraying is carried out on a plurality of sub-areas in a periodic pulse water supply mode, the demisting effect and the filter element cleaning efficiency are guaranteed, and meanwhile the dual benefits of reducing the filter element blocking rate and saving water resources are achieved.

Description

Technical Field

[0001] This application relates to the field of industrial flue gas treatment equipment technology, and in particular to a honeycomb modular self-cleaning demister. Background Technology

[0002] In heavy industries such as chemical, power, and metallurgy, wet flue gas desulfurization (FGD) technology is the mainstream purification process. However, the cleaned flue gas after spray treatment easily carries micron-sized slurry droplets. These droplets not only contain unreacted absorbent components, but their high humidity characteristics also cause corrosion to downstream flue ducts, chimney walls, and environmental monitoring equipment, while increasing the concentration of atmospheric particulate matter emissions. Existing demisters generally adopt water-flushing or mechanical filtration structures, which have the following technical bottlenecks: On the one hand, traditional water-flushing demisters require continuous spraying of large amounts of process water to maintain blade cleanliness, resulting in low circulating water utilization and significant water waste; on the other hand, porous cartridge demisters are susceptible to the deposition of gypsum crystals and impurity particles during operation, leading to increased pressure differential and requiring frequent shutdowns for cleaning or replacement of filter modules, severely restricting the continuous operation efficiency and economy of the system. Utility Model Content

[0003] The present invention introduces a series of simplified concepts, which will be further explained in detail in the detailed description section. This part of the present invention is not intended to limit the key features and essential technical features of the claimed technical solution, nor is it intended to determine the scope of protection of the claimed technical solution.

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art or related technologies.

[0005] In view of this, embodiments of this application propose a honeycomb modular self-cleaning defogging device, comprising:

[0006] A frame and a support, wherein the support is connected to the frame and is used to divide the area enclosed by the frame into multiple sub-regions;

[0007] A tray, connected to the bracket and the frame, with one tray provided in each of the sub-regions;

[0008] A demisting filter element, wherein the demisting filter element is disposed on the tray;

[0009] A spray unit is disposed in the middle of the frame and connected to the bracket.

[0010] In one feasible implementation, the outer edge contour of the demisting filter element is polygonal, and multiple mounting positions are formed on each of the trays. The demisting filter element is detachably disposed in each of the mounting positions, and the multiple demisting filter elements are distributed in a honeycomb pattern on the trays.

[0011] In one feasible implementation, the demisting filter element includes:

[0012] The housing and the filter unit are connected to the housing. The filter unit has filter gaps formed on it. The filter gaps on each filter unit are arranged in a scattering, spider web, grid, or continuously fan shape.

[0013] In one feasible implementation, the outer edge of the frame is circular, the outer edge of the tray is fan-shaped, and the frame is used to connect to the inner surface of the barrel-shaped object.

[0014] In one feasible implementation, the spray unit includes:

[0015] A columnar box, the columnar box being arranged in the middle of the frame;

[0016] Multiple nozzles are provided on the columnar housing, and the nozzles are oriented toward the multiple sub-regions.

[0017] In one feasible implementation, the honeycomb modular self-cleaning demisting device further includes:

[0018] Water injection pipe, which is connected to the columnar box.

[0019] In one feasible implementation, the honeycomb modular self-cleaning demister further includes a fixing clip for holding adjacent demister filters.

[0020] Compared with the prior art, the present invention has at least the following beneficial effects:

[0021] The honeycomb modular self-cleaning demister provided in this application includes a frame, a support, a tray, a demister filter element, and a spray unit. Based on this, during the assembly and manufacturing process of the honeycomb modular self-cleaning demister, the support can be connected to the frame to form a whole, the spray unit is arranged in the middle of the frame, and then the tray is connected to the frame and the support. The demister filter element is then placed on the tray. The demister filter element can demist the flue gas generated in industries such as chemical, power, and metallurgy. Simultaneously, by activating the spray unit, liquid can be periodically sprayed into multiple sub-areas, improving demisting efficiency and cleaning the demister filter element, reducing the probability of clogging. Because the spray unit is arranged in the middle of the frame, a periodic pulse water supply method can be used to clean the demister filter element, ensuring both the demisting effect and the cleaning efficiency of the demister filter element, while also saving water.

[0022] The above description is merely an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this utility model more obvious and understandable, specific embodiments of this utility model are given below. Attached Figure Description

[0023] Various other advantages and benefits will become apparent to those skilled in the art upon reading the following detailed description of preferred embodiments. The accompanying drawings are for illustrative purposes only and are not intended to limit the scope of this application. Furthermore, the same reference numerals denote the same parts throughout the drawings. In the drawings:

[0024] Figure 1 A schematic structural diagram of a honeycomb modular self-cleaning defogging device according to an embodiment of this application;

[0025] Figure 2 A schematic structural diagram of the hidden portion of the demisting filter element of a honeycomb modular self-cleaning demisting device according to an embodiment of this application;

[0026] Figure 3 A schematic structural diagram of the tray of a honeycomb modular self-cleaning defogger according to an embodiment of this application;

[0027] Figure 4 A schematic structural diagram of the tray of a honeycomb modular self-cleaning defogger according to an embodiment of this application from another angle;

[0028] Figure 5 A schematic structural diagram of the frame and support of a honeycomb modular self-cleaning defogging device according to an embodiment of this application;

[0029] Figure 6Another schematic structural view of the frame and support of a honeycomb modular self-cleaning defogging device according to an embodiment of this application;

[0030] Figure 7 A schematic structural diagram of the demisting filter element of the honeycomb modular self-cleaning demisting device provided in the first embodiment of this application;

[0031] Figure 8 A schematic structural diagram of the demisting filter element of the honeycomb modular self-cleaning demisting device provided in the second embodiment of this application;

[0032] Figure 9 A schematic structural diagram of the demisting filter element of the honeycomb modular self-cleaning demisting device provided in the third embodiment of this application;

[0033] Figure 10 A schematic structural diagram of the demisting filter element of the honeycomb modular self-cleaning demisting device provided in the fourth embodiment of this application;

[0034] Figure 11 A schematic structural diagram of the demisting filter element of the honeycomb modular self-cleaning demisting device provided in the fifth embodiment of this application;

[0035] Figure 12 A schematic structural diagram of the demisting filter element of the honeycomb modular self-cleaning demisting device provided in the sixth embodiment of this application;

[0036] Figure 13 A partially enlarged schematic diagram of the connection point of the demisting filter element in the honeycomb modular self-cleaning demisting device of the sixth embodiment provided in this application.

[0037] in, Figures 1 to 13 The correspondence between the reference numerals and component names in the attached drawings is as follows:

[0038] 110 frame, 120 bracket, 130 tray, 140 demisting filter, 150 spray unit, 160 water injection pipe;

[0039] 131 Assembly position, 141 Housing, 142 Filter unit, 151 Columnar box, 152 Nozzle. Detailed Implementation

[0040] The following description provides numerous specific details to offer a more thorough understanding of the technical solutions provided by this invention. However, it will be apparent to those skilled in the art that the technical solutions provided by this invention can be implemented without one or more of these details.

[0041] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to the present invention. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms “comprising” and / or “including” are used in this specification, they indicate the presence of features, integrals, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, integrals, steps, operations, elements, components, and / or combinations thereof.

[0042] Exemplary embodiments according to the present invention will now be described in more detail with reference to the accompanying drawings. However, these exemplary embodiments may be implemented in many different forms and should not be construed as being limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that the disclosure of the present invention is thorough and complete, and that the concept of these exemplary embodiments is fully conveyed to those skilled in the art.

[0043] This application considers the following drawbacks of traditional fogging technologies, which employ a layered structure: 1. Structural redundancy: The demisting layer and the rinsing layer need to be arranged alternately, increasing the overall height of the equipment and resulting in high installation space requirements, especially poor adaptability to retrofit projects; 2. Inefficient maintenance: Irregularly shaped trays and filter elements are large in size, requiring customized production, resulting in high mold costs. On-site installation also requires hoisting large components, leading to long installation times and making it unsuitable for transportation and installation in limited spaces; 3. Poor airflow adaptability: Fixed plate blades cannot be adjusted according to different gas flow rates and liquid phase components in the gas, resulting in poor adaptability; 4. Low cleaning coverage: Traditional single-sided spraying has coverage blind spots, which can easily lead to filter element clogging and increased system pressure drop over long-term operation.

[0044] like Figures 1 to 13 As shown in the figure, this application proposes a honeycomb modular self-cleaning defogging device, including: a frame 110 and a support 120, the support 120 being connected to the frame 110 and used to divide the area enclosed by the frame 110 into multiple sub-areas; a tray 130, connected to the support 120 and the frame 110, with one tray 130 provided in each sub-area; a defogging filter element 140, the defogging filter element 140 being disposed on the tray 130; and a spray unit 150, the spray unit 150 being disposed in the middle of the frame 110 and connected to the support 120.

[0045] The honeycomb modular self-cleaning demister includes a frame 110, a support 120, a tray 130, a demister filter element 140, and a spray unit 150. During the assembly and manufacturing process of the honeycomb modular self-cleaning demister, the support 120 can be connected to the frame 110 to form a whole. The spray unit 150 is arranged in the middle of the frame 110. Then, the tray 130 is connected to the frame 110 and the support 120. Finally, the demister filter element 140 is placed on the tray 130, and the demister filter element 140... The system can demist flue gas generated in industries such as chemical, power, and metallurgy. At the same time, by turning on the spray unit 150, liquid can be periodically sprayed into multiple sub-areas to improve demisting efficiency and clean the demist filter element 140, reducing the probability of clogging. The spray unit 150 is arranged in the middle of the frame 110 and can clean the demist filter element 140 by periodic pulse water supply, ensuring the demisting effect and the cleaning efficiency of the demist filter element 140, while also saving water.

[0046] It is understood that during the assembly process of the honeycomb modular self-cleaning demister provided in this application embodiment, the frame 110 can be connected to the inner surface of a barrel-shaped structure such as a desulfurization tower, which can increase the coverage area of ​​the honeycomb modular self-cleaning demister on flue gas and improve the purification effect.

[0047] The honeycomb modular self-cleaning defogging device provided in this application embodiment, while maintaining the stability of the core frame, can achieve full coverage of complex working conditions such as high flow rate, high humidity, and high dust content by using a tray and different configurations of the defogging filter element 140.

[0048] In one feasible implementation, the outer contour of the demisting filter element 140 is polygonal, and a plurality of mounting positions 131 are formed on each tray 130. The demisting filter element 140 is detachably disposed in each mounting position 131, and the plurality of demisting filter elements 140 are distributed in a honeycomb pattern on the tray 130.

[0049] This technical solution further provides the design of the demisting filter element 140. The outer contour of the demisting filter element 140 is polygonal, and multiple mounting positions 131 are formed on each tray 130. A demisting filter element 140 is detachably installed in each mounting position 131, and the multiple demisting filter elements 140 are distributed in a honeycomb pattern on the tray 130. Based on this, any demisting filter element 140 on the tray 130 can be replaced, facilitating the maintenance and repair of the honeycomb modular self-cleaning demisting device. Simultaneously, the honeycomb structure design increases the coverage area of ​​the honeycomb modular self-cleaning demisting device on the flue gas, thereby improving the purification effect.

[0050] like Figures 1 to 13As shown, in one feasible embodiment, the defogging filter element 140 includes: a housing 141 and a filter unit 142. The filter unit 142 is connected to the housing 141. Filter gaps are formed on the filter unit 142. The filter gaps on each filter unit 142 are arranged in a fan shape, such as a scattering pattern, a spider web pattern, a grid pattern, or a continuous arrangement.

[0051] In this technical solution, a style of demisting filter element 140 is further provided. Demisting filter element 140 may include housing 141 and filter unit 142. Filter unit 142 is used to filter and demist the flue gas. By using the fan shape in which the filter gaps on each filter unit 142 are arranged in a scattering, spider web, grid, or continuous manner, the flue gas throughput can be improved, thereby improving the purification efficiency, while reducing the probability of filter unit 142 clogging.

[0052] In some examples, the demisting filter element 140 is a baffle type: the number of baffles N≥3 times, and the porosity ε can be selected in the range of 75%-95%; a turbine type: the blade helix angle α=15°-45°, which is suitable for tangential airflow optimization; and a louver type: the blade spacing d can be configured as a gradient sequence of 5-20mm.

[0053] In one feasible implementation, the outer edge of the frame 110 is circular, the outer edge of the tray 130 is fan-shaped, and the frame 110 is used to connect to the inner surface of the barrel-shaped object.

[0054] In this technical solution, the style of the frame 110 is further provided. The outer edge of the frame 110 is circular, and the outer edge of the tray 130 is fan-shaped. The frame 110 is used to connect to the inner surface of the barrel-shaped object. This arrangement can make the honeycomb modular self-cleaning demister more tightly connected to the inner wall of the barrel, thereby improving the flue gas treatment efficiency.

[0055] In some examples, there can be six trays 130, which can divide the frame 110 into six equal parts, making it easier to assemble the honeycomb modular self-cleaning defogging device.

[0056] like Figures 1 to 13 As shown, in one feasible embodiment, the spray unit 150 includes: a columnar box 151 arranged in the middle of the frame 110; and a plurality of nozzles 152, which are provided on the columnar box 151 and are oriented toward a plurality of sub-areas.

[0057] In this technical solution, the structure of the spray unit 150 is further provided. The spray unit 150 may include a columnar box 151 and multiple spray nozzles 152. Each sub-area is provided with at least one spray nozzle 152. Based on this, any sub-area can be selectively purified, which can enable the self-cleaning of the demisting filter 140 and save water and energy.

[0058] In some examples, the nozzles 152 include 12 fan-shaped nozzles covering the entire fan-shaped surface of the frame 110, arranged in two layers (6 per layer); the ends of the six radial connecting rods of the support and the six baffles are connected to the middle of the six vertical edges of the columnar box 151. The flue gas flow and pressure difference are monitored in real time by the PLC controller, triggering the zoned pulse cleaning mode. A single cleaning cycle is 30 seconds, and the water consumption is reduced by 35% compared to traditional continuous flushing.

[0059] In one feasible implementation, the honeycomb modular self-cleaning defrost device further includes a water injection pipe 160, which connects to the columnar housing 151. This arrangement facilitates the supply of flushing water.

[0060] In one feasible embodiment, the honeycomb modular self-cleaning defogger further includes a fixing clip 170 for holding adjacent defogger filter elements 140. This arrangement makes the fixing of the defogger filter elements 140 more reliable.

[0061] The working process of the honeycomb modular self-cleaning defogging device provided in this application embodiment is as follows:

[0062] Flue gas rises from the bottom and enters the demister filter 140. As it passes through the filter, tiny droplets in the flue gas come into contact with the angled baffles within the filter, where they are intercepted and adsorbed. The remaining gas is discharged through the channels between the baffles, achieving the demisting effect. When the droplets adsorbed on the baffle surface accumulate to a certain size and thickness, reducing the space through which the flue gas passes, the exhaust gas monitoring device detects an increase in gas velocity and a rise in the content of a certain liquid phase in the gas. The PLC controller then monitors the flue gas flow rate and pressure difference in real time, triggering a zoned pulse cleaning mode to flush the congested areas.

[0063] The honeycomb modular self-cleaning defogging device provided in this application embodiment has at least the following beneficial effects:

[0064] Structural innovation: The defogging and cleaning components are integrated on the same plane, reducing the ceiling height from the traditional 3.2m to 1.5m, and reducing the installation space requirement by 53%;

[0065] Installation efficiency: Standardized trays and filter units facilitate transport and installation in limited spaces, significantly reducing on-site assembly difficulty and time;

[0066] Multi-scenario adaptation: By replacing filter elements with different structures, it can adapt to different flow rate ranges and different humidity conditions, greatly improving defogging efficiency and adaptability, and achieving efficient defogging in multiple scenarios;

[0067] Water-saving and energy-saving: Zoned pulse cleaning can save a lot of water, and the shorter rinsing distance increases the rinsing intensity.

[0068] In this utility model, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance; the term "multiple" refers to two or more unless otherwise explicitly defined. The terms "install," "connect," "join," and "fix" should be interpreted broadly. For example, "connect" can be a fixed connection, a detachable connection, or an integral connection; "join" can be a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0069] In the description of this utility model, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or unit referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0070] In the description of this specification, the terms "one embodiment," "some embodiments," "specific embodiment," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0071] The above are merely preferred embodiments of this utility model and are not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A honeycomb modular self-cleaning defogging device, characterized in that, include: A frame and a support, wherein the support is connected to the frame and is used to divide the area enclosed by the frame into multiple sub-regions; A tray, connected to the bracket and the frame, with one tray provided in each of the sub-regions; A demisting filter element, wherein the demisting filter element is disposed on the tray; A spray unit is disposed in the middle of the frame and connected to the bracket.

2. The honeycomb modular self-cleaning defogging device according to claim 1, characterized in that, The outer contour of the demisting filter element is polygonal, and multiple mounting positions are formed on each of the trays. The demisting filter element is detachably disposed in each of the mounting positions, and the multiple demisting filter elements are distributed in a honeycomb pattern on the trays.

3. The honeycomb modular self-cleaning defogging device according to claim 1, characterized in that, The demisting filter element includes: The housing and the filter unit are connected to the housing. The filter unit has filter gaps formed on it. The filter gaps on each filter unit are arranged in a scattering, spider web, grid, or continuously fan shape.

4. The honeycomb modular self-cleaning defogging device according to claim 1, characterized in that, The outer edge of the frame is circular, and the outer edge of the tray is fan-shaped. The frame is used to connect to the inner surface of the barrel-shaped object.

5. The honeycomb modular self-cleaning defogging device according to claim 1, characterized in that, The spray unit includes: A columnar box, the columnar box being arranged in the middle of the frame; Multiple nozzles are provided on the columnar housing, and the nozzles are oriented toward the multiple sub-regions.

6. The honeycomb modular self-cleaning defogging device according to claim 5, characterized in that, Also includes: Water injection pipe, which is connected to the columnar box.

7. The honeycomb modular self-cleaning defogging device according to any one of claims 1 to 6, characterized in that, Also includes: A retaining clip for holding adjacent demisting filter elements.

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