Aerosol trap
By setting up multiple wire mesh and spray components in the aerosol trap to form multiple depths of defogging structures, the problem of difficulty in trapping aerosols in submicron-sized particle size in the prior art is solved, and efficient aerosol capture and ultra-low emission indicators are achieved.
Patent Information
- Application Number
- CN202421913350.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-08
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-08-08
AI Technical Summary
The existing single-depth demister is difficult to capture aerosols with submicro-sized particle sizes, and cannot meet ultra-low emission indicators, resulting in an increase in the emission of harmful gases into the atmosphere.
An aerosol trap is designed to form a defogging structure of multiple depths by setting up multiple wire mesh and spraying components in the box, and use the water curtain effect to capture aerosols of different particle sizes, especially aerosols of submicro-sized particle sizes.
It improves the capture efficiency of submicro-sized particle size aerosols, meets ultra-low emission indicators, and effectively reduces the emission of harmful gases into the atmosphere.
Smart Images
Figure CN222871693U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an aerosol collector, in particular to an aerosol collector applied in the field of flue gas treatment and purification. Background Art
[0002] At present, most of the gas discharged by factories contains aerosols, which are colloidal dispersion systems formed by small solid or liquid particles dispersed and suspended in a gas medium, also known as gas dispersion systems. The dispersed phase is small solid or liquid particles with a size of 0.001 to 100 microns, and the dispersion medium is gas.
[0003] The flue gas emitted by industrial enterprises contains aerosols with submicron particle sizes, generally between 0.2-1μm. The existing single deep mist eliminator has a good capture effect only on fog particles larger than 3μm, but it is difficult to capture aerosols with submicron particle sizes, thus failing to meet ultra-low emission indicators. Utility Model Content
[0004] In view of the above-mentioned prior art, the technical problem to be solved by the utility model is that the existing single deep mist eliminator is difficult to capture aerosols of submicron particle size, making the flue gas emitted by the factory unable to meet the ultra-low emission indicators, thereby increasing the emission of harmful gases into the atmosphere.
[0005] In order to solve the above problems, the utility model provides an aerosol collector, including a box body, the inner bottom wall of the box body is drilled with a plurality of limit grooves 1 and limit grooves 2, the limit groove 2 is located on the left side of the limit groove 1 on the far right, a wire mesh 1 is inserted in the limit groove 1, a mounting plate is inserted in the limit groove 2, a wire mesh 2 is fixedly inlaid in the mounting plate, the upper ends of the wire mesh 1 and the mounting plate are fixedly connected to the limit strip, the upper ends of the limit strip movably penetrate the box body and are fixedly connected to a pressure plate, a water inlet pipe is provided on the rear side of the box body, a plurality of spray assemblies and a water curtain assembly are fixedly connected to the outer surface of the water inlet pipe, the spray assembly has the same structure as the water curtain assembly, both include a fixed pipe fixed and communicated with the water inlet pipe and a plurality of nozzles fixedly connected to the fixed pipe in the middle, the rear end of the fixed pipe is fixedly penetrated through the box body and is fixedly connected to the water inlet pipe, the nozzles on the two spray assemblies located at the center are mirror-imaged, and the lower end of the box body is fixedly connected to a drain pipe.
[0006] In the above-mentioned aerosol collector, by setting up multiple screens and spray components, a demisting structure of multiple depths is formed in the box, so that aerosols of different particle sizes can be captured, among which the aerosol capture efficiency of submicron particle size is high, meeting the ultra-low emission indicators, and effectively reducing the emission of harmful gases into the atmosphere.
[0007] As a further improvement of the present application, wire mesh one is woven from a medium diameter wire mesh, wire mesh two is woven from a fine diameter wire mesh, and the width of the limiting groove two is smaller than the width of the limiting groove one.
[0008] As a further improvement of the present application, the spray assembly is located on the left side of the limiting strip, the nozzles are all facing screen one or screen two, the caliber of the nozzle located on the far right is smaller than the calibers of the other nozzles, and the nozzles on the two nozzles in the water curtain assembly are relatively distributed.
[0009] As a further improvement of the present application, the drainage pipe includes a U-shaped pipe and a plurality of straight pipes fixedly connected to the U-shaped pipe, the upper ends of the U-shaped pipe and the straight pipes are fixedly connected to the lower end of the box body, and the box body, the U-shaped pipe and the straight pipes are connected.
[0010] As another improvement of the present application, a plurality of screws are provided at the upper end of the pressing plate, the lower ends of the screws are threadedly passed through the pressing plate and the box body in sequence, and a handle is fixedly connected to the upper end of the pressing plate.
[0011] As another improvement of the present application, a fixing plate is fixedly connected to the right end of the box body, and a heat filter is fixedly connected to the inner wall of the fixing plate.
[0012] To sum up, in actual application, after the smoke enters the interior of the box, the water inlet pipe transports water to multiple nozzles, and then the nozzle sprays water onto the surface of wire mesh one or wire mesh two. The two middle spray assemblies spray water toward each other, thereby forming a water curtain inside the box. The gas passes through multiple wire meshes one, water curtains and wire mesh two in turn, so that a demisting structure with multiple depths is formed in the box, thereby capturing aerosols of different particle sizes, among which the aerosol capture efficiency of submicron particle size is high, meeting the ultra-low emission indicators, and effectively reducing the emission of harmful gases into the atmosphere. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the structure of the first implementation method of this application;
[0014] Figure 2 This is a structural front view of the first embodiment of the present application;
[0015] Figure 3 This is a schematic diagram of the box structure of the first embodiment of the present application;
[0016] Figure 4 This is a schematic diagram of the structure of a spray assembly according to the first embodiment of the present application;
[0017] Figure 5 This is a schematic diagram of the structure of a screen according to the first embodiment of the present application;
[0018] Figure 6 This is a schematic diagram of the structure of the second screen according to the first embodiment of the present application;
[0019] Figure 7 This is a schematic structural diagram of the second embodiment of the present application.
[0020] Description of the numbers in the figure:
[0021] 1 box body, 2 limiting groove 1, 3 limiting groove 2, 4 wire mesh 1, 5 mounting plate, 6 wire mesh 2, 7 limiting strip, 8 pressure plate, 9 water inlet pipe, 10 nozzle, 11 nozzle, 12 positioning pipe, 13 fixing pipe, 14 drainage pipe, 15 fixing plate, 16 heat filter. DETAILED DESCRIPTION
[0022] Two implementation modes of the present application are described in detail below with reference to the accompanying drawings.
[0023] The first implementation method:
[0024] Figure 1 , Figure 2 and Figure 3 It shows: an aerosol collector, including a box body 1, the inner bottom wall of the box body 1 is opened with a plurality of limit grooves 1 2 and limit grooves 2 3, the limit groove 2 3 is located on the left side of the rightmost limit groove 1 2, the drain pipe 14 includes a U-shaped pipe and a plurality of straight pipes fixedly connected to the U-shaped pipe, the upper ends of the U-shaped pipe and the straight pipes are fixedly connected to the lower end of the box body 1, the box body 1, the U-shaped pipe and the straight pipes are connected, the water sprayed by the nozzle 11 is discharged from the box body 1 through the drain pipe 14, so that the water can be collected and processed easily.
[0025] Figure 4 It is shown that: a water inlet pipe 9 is provided at the rear side of the box body 1, and a plurality of spray assemblies and a water curtain assembly are fixedly connected to the outer surface of the water inlet pipe 9. The spray assembly has the same structure as the water curtain assembly, and both include a fixed pipe 13 fixed and communicated with the water inlet pipe 9 and a plurality of spray pipes 10 fixedly connected to the fixed pipe 13 in the middle. The rear end of the fixed pipe 13 is fixedly passed through the box body 1 and is fixedly connected to the water inlet pipe 9. The nozzles 11 on the two spray assemblies at the center are distributed in a mirror image, so that the nozzles 11 can spray water A water curtain is formed to capture aerosol particles. A drain pipe 14 is fixedly connected to the lower end of the box 1. The spray assembly is located on the left side of the limit strip 7. The nozzles 11 are all facing the wire mesh 1 4 or the wire mesh 2 6. The caliber of the nozzle 11 located on the far right is smaller than that of the other nozzles 11, thereby reducing the water flow rate and facilitating the discharge of gas. The nozzles 11 on the two nozzles 10 in the water curtain assembly are relatively distributed, so that a water curtain is formed inside the box 1, which is convenient for flushing and collecting aerosols.
[0026] Figure 5 and Figure 6It is shown that: a wire mesh 4 is inserted in the limiting groove 1, a mounting plate 5 is inserted in the limiting groove 2, a wire mesh 2 6 is fixedly inlaid in the mounting plate 5, the upper ends of the wire mesh 1 4 and the mounting plate 5 are fixedly connected to the limiting strip 7, the upper end of the limiting strip 7 movably passes through the box body 1 and is fixedly connected to a pressing plate 8, the wire mesh 1 4 is woven from a medium-diameter wire mesh, the wire mesh 2 6 is woven from a fine-diameter wire mesh, and wire meshes of different diameters can capture aerosol particles at different depths, thereby improving the aerosol capture efficiency of submicron particles, the width of the limiting groove 2 3 is smaller than the width of the limiting groove 1 2, a plurality of screws are provided at the upper end of the pressing plate 8, the lower ends of the screws are threadedly passed through the pressing plate 8 and the box body 1 in sequence, the upper end of the pressing plate 8 is fixedly connected to a handle, and the plurality of screws can fix the pressing plate 8 to the box body 1, so as to facilitate the maintenance and replacement of the wire mesh 1 4 and the wire mesh 2 6 in the later stage.
[0027] When in use, after the smoke enters the interior of the box 1, the water inlet pipe 9 transports water to the multiple nozzles 10, and then the nozzle 11 sprays water onto the surface of the wire mesh 1 4 or the wire mesh 2 6. The two middle spray assemblies spray water toward each other, thereby forming a water curtain inside the box 1. The gas passes through the multiple wire meshes 1 4, the water curtain and the wire mesh 2 6 in turn, so that a demisting structure of multiple depths is formed in the box 1, thereby capturing aerosols of different particle sizes, among which the aerosol capture efficiency of submicron particle size is high, meeting the ultra-low emission indicators, and effectively reducing the emission of harmful gases into the atmosphere.
[0028] The second implementation method:
[0029] Based on the first embodiment, this embodiment adds a fixing plate 15 and a heat filter 16, and the rest of the parts are consistent with the first embodiment.
[0030] Figure 7 It is shown that a fixing plate 15 is fixedly connected to the right end of the box body 1, and a heat filter 16 is fixedly connected to the inner wall of the fixing plate 15. Those skilled in the art can select a suitable type of heat filter 16 according to actual needs, for example: JL8472.
[0031] When in use, the aerosol at the outlet of the box 1 is collected by the heat filter 16, so that the staff can detect the aerosol capture efficiency of submicron particles inside the box 1.
[0032] In view of current practical needs, the protection scope of the above-mentioned implementation mode adopted in this application is not limited to this. Various changes made within the knowledge scope of technical personnel in this field without departing from the concept of this application still fall within the protection scope of this utility model.
Claims
1. An aerosol collector, comprising a housing (1), characterized in that: The inner bottom wall of the box body (1) is provided with a plurality of limit grooves 1 (2) and limit grooves 2 (3), the limit groove 2 (3) being located on the left side of the rightmost limit groove 1 (2), the limit groove 1 (2) being inserted with a wire mesh 1 (4), the limit groove 2 (3) being inserted with a mounting plate (5), the mounting plate (5) being fixedly inlaid with a wire mesh 2 (6), the upper ends of the wire mesh 1 (4) and the mounting plate (5) being fixedly connected to a limit strip (7), the upper end of the limit strip (7) movably passing through the box body (1) and being fixedly connected to a pressure plate (8); A water inlet pipe (9) is provided at the rear side of the box body (1), and a plurality of spray assemblies and a water curtain assembly are fixedly connected to the outer surface of the water inlet pipe (9). The spray assemblies have the same structure as the water curtain assembly, and both comprise a fixed pipe (13) fixed to and communicating with the water inlet pipe (9) and a plurality of spray pipes (10) whose middle portions are fixedly connected to the fixed pipe (13). The rear end of the fixed pipe (13) is fixedly passed through the box body (1) and is fixedly connected to the water inlet pipe (9). The spray heads (11) on the two spray assemblies located at the center are distributed in a mirror image. A drainage pipe (14) is fixedly connected to the lower end of the box body (1).
2. An aerosol collector according to claim 1, characterized in that: The first wire mesh (4) is made of a medium-diameter wire mesh, the second wire mesh (6) is made of a fine-diameter wire mesh, and the width of the second limiting groove (3) is smaller than the width of the first limiting groove (2).
3. The aerosol collector according to claim 1, characterized in that: The spray assembly is located on the left side of the limiting strip (7), the spray heads (11) are all directed toward the first screen (4) or the second screen (6), the caliber of the spray head (11) located on the far right is smaller than the calibers of the other spray heads (11), and the spray heads (11) on the two spray pipes (10) in the water curtain assembly are relatively distributed.
4. The aerosol collector according to claim 1, characterized in that: The drainage pipe (14) comprises a U-shaped pipe and a plurality of straight pipes fixedly connected to the U-shaped pipe, the upper ends of the U-shaped pipe and the straight pipes are fixedly connected to the lower end of the box body (1), and the box body (1), the U-shaped pipe and the straight pipes are in communication.
5. The aerosol collector according to claim 1, characterized in that: The upper end of the pressing plate (8) is provided with a plurality of screw rods, the lower ends of the screw rods are threadedly passed through the pressing plate (8) and the box body (1) in sequence, and the upper end of the pressing plate (8) is fixedly connected with a handle.
6. The aerosol collector according to claim 1, characterized in that: A fixing plate (15) is fixedly connected to the right end of the box body (1), and a heat filter (16) is fixedly connected to the inner wall of the fixing plate (15).