Glass fiber reinforced plastic absorption tower with dust removal device
By introducing a dust collection box and a cleaning scraper structure into the fiberglass absorption tower, the problem of needing to stop the machine to clean dust in the existing technology is solved, and a highly efficient dust cleaning and dust removal effect without stopping the machine is achieved, thereby improving the working efficiency and dust removal efficiency of the absorption tower.
Patent Information
- Application Number
- CN202520209096.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2035-02-11
AI Technical Summary
Existing absorption towers require shutdown for dust removal during the dust removal process, which reduces work efficiency. Furthermore, the cleaned dust is easily dispersed by airflow and re-adheres, further reducing dust removal efficiency.
A fiberglass absorption tower with a dust removal device was designed. It adopts a dust collection box and a cleaning scraper structure. The dust collection and discharge are automatically achieved through the guiding structure, avoiding downtime operation. The dust collection box is slidably connected to the filter plate. The cleaning scraper moves along the surface of the filter plate under the guiding structure to scrape off impurities. The dust discharge cylinder at the bottom of the dust collection box can easily discharge the dust.
This technology enables efficient dust removal without shutting down the system, preventing dust from re-adhering and improving the working efficiency and dust removal effect of the absorption tower.
Smart Images

Figure CN223615610U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of absorption tower technology, specifically to a fiberglass absorption tower with a dust removal device. Background Technology
[0002] Fiberglass reinforced plastic (FRP) absorption towers are manufactured using flame-retardant vinyl unsaturated resin as the matrix and alkali-free untwisted glass fiber as the reinforcing material through several production processes. FRP absorption towers have advantages such as high strength, simple structure, convenient manufacturing, small footprint, and high purification efficiency, making them a new type of purification device. While using FRP as the main material, the gas fed into the FRP absorption tower during operation contains a certain amount of particulate matter, i.e., dust. Dust entering the FRP absorption tower increases its working pressure, reducing its normal operating efficiency. Excessive dust accumulation can even damage the FRP absorption tower. Therefore, a dust removal device for FRP absorption towers is proposed.
[0003] A prior art patent with publication number CN221182187U discloses a solution comprising a main body of a device. An air inlet is fixedly connected to one side of the main body, an air outlet is fixedly connected to the top of the main body, a connecting pipe is fixedly connected to one side of the main body, a water pump is fixedly connected to the other end of the connecting pipe, a water inlet is fixedly connected to one side of the water pump, and an electric motor is fixedly connected to one side of the main body. A filter plate filters out dust contained in the gas. A dust removal plate periodically cleans the filter plate to prevent dust accumulation from affecting filtration efficiency. A liquid sprayer sprays the gas, causing the tiny particles contained in the gas to settle, thus treating the dust in the gas. This effectively reduces the emission of particulate matter in the air, reduces the working pressure of the glass absorption tower, improves its working efficiency, maintains a longer service life, and reduces equipment maintenance and replacement costs.
[0004] As existing devices are used, the shortcomings of this technology have gradually become apparent, mainly in the following aspects:
[0005] First, when existing absorption towers are used for dust removal, the towers need to be shut down to remove the cleaned dust from inside the cooling tower, which reduces the efficiency of the absorption towers.
[0006] Secondly, when cleaning dust from the filter plates in existing dust removal structures, the cleaned dust is easily dispersed by the airflow as it falls to the bottom of the tower, causing it to re-adhere to the filter plates with the airflow, thus reducing the dust removal efficiency.
[0007] In conclusion, the existing technology obviously has inconveniences and defects in practical use, so it is necessary to improve it. Utility Model Content
[0008] To address the shortcomings of existing technologies, this utility model provides a fiberglass absorption tower with a dust removal device, which solves the problem that in traditional absorption towers, when dust needs to be removed from the cooling tower after cleaning, the absorption tower needs to be shut down, which reduces the working efficiency of the absorption tower.
[0009] To achieve the above objectives, this utility model provides the following technical solution:
[0010] A fiberglass reinforced plastic (FRP) absorption tower with a dust removal device includes a FRP absorption tower body. A filter plate is horizontally fixed inside the FRP absorption tower body. A rectangular dust collection box is horizontally slidable below the filter plate. The upper end of the dust collection box is open. A cleaning scraper that slides vertically is installed on the top of the dust collection box. A horizontally arranged discharge cylinder is connected to the lower end of the dust collection box. A discharge port matching the discharge cylinder is opened on the side wall of the FRP absorption tower body. A sealing plate that closes the discharge port is hinged to the outer wall of the FRP absorption tower body. When the outlet end of the discharge cylinder extends to the outside through the discharge port, it lifts the sealing plate to open the discharge port.
[0011] As an optimized solution, when the cleaning scraper moves horizontally in the forward direction along the dust collection box, it makes frictional contact with the lower surface of the filter plate through the guide structure; when the cleaning scraper moves horizontally in the reverse direction along the dust collection box, it separates from the lower surface of the filter plate through the guide structure.
[0012] As an optimized solution, the upper end of the sealing plate is hinged to the outer wall of the fiberglass absorption tower body near the upper edge of the discharge port using a torsion spring hinge, and the elastic force of the torsion spring hinge is used to close the discharge port under normal conditions.
[0013] As an optimized solution, the lower end of the dust collection box is open, and a guide cylinder that tapers downwards is fixed to the lower end of the dust collection box. The inlet end of the outlet cylinder is horizontally fixed to the lower port of the guide cylinder.
[0014] As an optimized solution, the outlet end of the discharge tube is internally threaded with a plug.
[0015] As an optimized solution, the guiding structure includes a drive plate vertically fixed to the outer wall of the dust collection box, a cleaning scraper slidably mounted vertically on the drive plate, and forward and reverse moving chutes fixedly connected side-by-side from top to bottom on opposite inner side walls of the fiberglass absorption tower body. Guide columns, slidably constrained within the forward or reverse moving chutes, are horizontally fixed to opposite side walls of the cleaning scraper. The ends of the forward and reverse moving chutes furthest from the discharge port are connected by a vertical groove.
[0016] As an optimized solution, the forward moving chute has an inclined groove extending downward at one end near the discharge port. The lower end of the inclined groove is connected to the reverse moving chute. A blocking plate is hinged to one edge of the lower end of the inclined groove using a torsion spring hinge. An abutment groove is formed on the opposite edge of the lower end of the inclined groove. The blocking plate is normally horizontally set, and the swing end of the blocking plate abuts against the abutment groove.
[0017] As an optimized solution, a rectangular sleeve is fixed to the side wall of the drive plate near the upper end, and the cleaning scraper is slidably disposed within the rectangular sleeve along the vertical direction.
[0018] As an optimized solution, a limiting plate is fixedly connected to the side wall below the rectangular sleeve of the drive plate, and a compression spring is vertically fixed between the lower end of the cleaning scraper and the upper surface of the limiting plate.
[0019] As an optimized solution, the fiberglass absorption tower body is provided with a lead screw that is threadedly connected to the drive plate for horizontal rotation between the inner end wall and the outer end of the fiberglass absorption tower body, and a drive motor that is threadedly connected to the lead screw is fixed to the outer end of the fiberglass absorption tower body.
[0020] As an optimized solution, an air inlet cylinder communicating with the inner cavity is fixedly connected to the outer wall of the fiberglass absorption tower body.
[0021] Compared with the prior art, the beneficial effects of this utility model are:
[0022] Air is introduced into the fiberglass absorption tower body through the air inlet. As the filter plate is used, when a large amount of impurities adhere to the lower surface of the filter plate, affecting the air permeability of the filter plate, the drive motor drives the lead screw to rotate. The lead screw uses the drive plate to move the dust collection box and the cleaning scraper. Under the force of the compression spring, the upper end of the cleaning scraper abuts against the lower surface of the filter plate, so that the impurities on the lower surface of the filter plate are scraped off by the horizontal movement of the cleaning scraper. The scraped-off impurities will enter the dust collection box for collection under the guidance of the cleaning scraper and the drive plate. This prevents the problem in traditional technology where dust falls to the bottom of the fiberglass absorption tower body and is easily dispersed by the airflow, and then re-adhere to the filter plate with the airflow.
[0023] The lower end of the dust collection box is connected to a horizontally set discharge cylinder. As the dust collection box moves, the discharge cylinder will pass through the discharge port, lift up and open the sealing plate. Then the operator can remove the plug inside the discharge cylinder to discharge the dust collected inside. It is convenient and quick. The fiberglass absorption tower body can be operated without stopping the machine, which improves work efficiency.
[0024] By setting a guiding structure, the cleaning scraper uses the guide column to move forward along the forward moving chute for cleaning. When it moves to the end near the discharge port, the cleaning scraper, under the action of the guide column, enters the reverse moving chute along the inclined chute. Since the reverse moving chute is lower than the forward moving chute, the upper end of the cleaning scraper will separate from the lower surface of the filter plate. When the screw rotates in the reverse direction, the cleaning scraper retracts in the reverse moving chute using the guide column. During this process, the cleaning scraper will not rub against the filter plate, achieving unidirectional cleaning. When the guide column moves to the position of the vertical chute, it will be pushed upward into the forward moving chute under the elastic force of the compression spring, thus abutting against the lower surface of the filter plate for the next cleaning operation. Attached Figure Description
[0025] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.
[0026] Figure 1 This is a schematic diagram of the structure of this utility model;
[0027] Figure 2 This is a schematic diagram of the structure of the present invention, showing the guide column moving into the reverse moving groove.
[0028] In the diagram: 1-Fiberglass absorption tower body; 2-Filter plate; 3-Dust collection box; 4-Outlet cylinder; 5-Plug; 6-Discharge port; 7-Sealing plate; 8-Air inlet cylinder; 9-Screw; 10-Drive motor; 11-Forward moving chute; 12-Reverse moving chute; 13-Vertical chute; 14-Inclined chute; 15-Blocking plate; 16-Drive plate; 17-Cleaning scraper; 18-Guide column; 19-Rectangular sleeve; 20-Limiting plate; 21-Compression spring. Detailed Implementation
[0029] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention.
[0030] like Figure 1 and Figure 2As shown, a fiberglass absorption tower with a dust removal device includes a fiberglass absorption tower body 1. A filter plate 2 is horizontally fixed inside the fiberglass absorption tower body 1. A rectangular dust collection box 3 is horizontally slidable below the filter plate 2. The upper end of the dust collection box 3 is open. A cleaning scraper 17 that slides vertically is installed on the top of the dust collection box 3. A horizontally arranged discharge cylinder 4 is connected to the lower end of the dust collection box 3. A discharge port 6 that matches the discharge cylinder 4 is opened on the side wall of the fiberglass absorption tower body 1. A sealing plate 7 that closes the discharge port 6 is hinged to the outer wall of the fiberglass absorption tower body 1. When the outlet end of the discharge cylinder 4 extends to the outside through the discharge port 6, the sealing plate 7 is lifted to open the discharge port 6.
[0031] The dust collection box 3 is a rectangular box, and its width matches the width of the filter plate 2.
[0032] When the cleaning scraper 17 moves horizontally in the forward direction along with the dust collection box 3, it comes into frictional contact with the lower surface of the filter plate 2 through the guide structure; when the cleaning scraper 17 moves horizontally in the reverse direction along with the dust collection box 3, it separates from the lower surface of the filter plate 2 through the guide structure.
[0033] The upper end of the sealing plate 7 is hinged to the outer wall of the fiberglass absorption tower body 1 near the upper edge of the discharge port 6 by a torsion spring hinge, and the sealing plate 7 is normally closed to the discharge port 6 by the elastic force of the torsion spring hinge.
[0034] The dust collection box 3 has an opening at its lower end, and a guide cylinder that tapers downwards is fixed to the lower end of the dust collection box 3. The inlet end of the outlet cylinder 4 is horizontally fixed to the lower port of the guide cylinder.
[0035] The outlet end of the discharge tube 4 is connected to a plug 5 via an internal thread.
[0036] The guiding structure includes a drive plate 16 vertically fixed to the outer wall of the dust collection box 3, and a cleaning scraper 17 slidably mounted on the drive plate 16. Forward moving chutes 11 and reverse moving chutes 12 are respectively fixed in parallel from top to bottom on opposite inner walls of the fiberglass absorption tower body 1. Guide columns 18 are respectively horizontally fixed to opposite side walls of the cleaning scraper 17 and slidably constrained within the forward moving chutes 11 or the reverse moving chutes 12. The ends of the forward moving chutes 11 and the reverse moving chutes 12 furthest from the discharge port 6 are connected by a vertical groove 13.
[0037] The forward moving chute 11 extends downward at one end near the discharge port 6 with an inclined chute 14. The lower end of the inclined chute 14 is connected to the reverse moving chute 12. A blocking plate 15 is hinged to one edge of the lower end of the inclined chute 14 by a torsion spring hinge. A stop groove is opened on the opposite edge of the lower end of the inclined chute 14. The blocking plate 15 is normally set horizontally, and the swing end of the blocking plate 15 abuts against the stop groove.
[0038] By setting the blocking plate 15, when the guide post 18 crosses the inclined groove 14, the blocking plate 15 is pushed open and enters the reverse movement groove 12. When the guide post 18 moves backward, the swing end of the blocking plate 15 abuts against the groove, which can prevent the guide post 18 from entering the forward movement groove 11 along the inclined groove 14 in the opposite direction, and ensure the stability of the guide post 18 during the retraction process along the reverse movement groove 12.
[0039] A rectangular sleeve 19 is fixed to the side wall of the drive plate 16 near the upper end, and the cleaning scraper 17 is slidably disposed in the rectangular sleeve 19 along the vertical direction.
[0040] A limiting plate 20 is fixedly connected to the side wall of the drive plate 16 below the rectangular sleeve 19, and a compression spring 21 is vertically fixed between the lower end of the cleaning scraper 17 and the upper surface of the limiting plate 20.
[0041] The fiberglass absorption tower body 1 is horizontally rotatable between its inner end wall and the drive plate 16 by a screw 9. The outer end of the fiberglass absorption tower body 1 is fixedly connected to a drive motor 10 that is threadedly connected to the screw 9.
[0042] An air inlet cylinder 8, which connects to the inner cavity of the fiberglass absorption tower body 1, is fixedly connected to the outer wall of the tower body 1.
[0043] The working principle of this device is as follows:
[0044] Air is introduced into the fiberglass absorption tower body 1 through the air inlet 8. When a large amount of impurities adhere to the lower surface of the filter plate 2 during use, affecting the air permeability of the filter plate 2, the drive motor 10 drives the lead screw 9 to rotate. The lead screw 9 uses the drive plate 16 to drive the dust collection box 3 and the cleaning scraper 17 to move. Under the force of the compression spring 21, the upper end of the cleaning scraper 17 abuts against the lower surface of the filter plate 2, so that the impurities on the lower surface of the filter plate 2 are scraped off by the horizontal movement of the cleaning scraper 17. The scraped-off impurities will enter the dust collection box 3 for collection under the guidance of the cleaning scraper 17 and the drive plate 16. This prevents the problem in traditional technology where dust falls to the bottom of the fiberglass absorption tower body 1 and is easily dispersed by the airflow, and then re-attaches to the filter plate 2 with the airflow.
[0045] The lower end of the dust collection box 3 is connected to a horizontally set discharge cylinder 4. As the dust collection box 3 moves, the discharge cylinder 4 will pass through the discharge port 6, lift up and open the sealing plate 7, and then the operator will remove the plug 5 inside the discharge cylinder 4 to discharge the dust collected inside. It is convenient and quick. The fiberglass absorption tower body 1 can be operated without stopping the machine, which improves work efficiency.
[0046] By setting a guiding structure, the cleaning scraper 17 uses the guide post 18 to move forward and clean along the forward moving chute 11. When it moves to the end near the discharge port 6, the cleaning scraper 17 enters the reverse moving chute 12 along the inclined groove 14 under the action of the guide post 18. Since the reverse moving chute 12 is lower than the forward moving chute 11, the upper end of the cleaning scraper 17 will separate from the lower surface of the filter plate 2. When the screw 9 rotates in the reverse direction, the cleaning scraper 17 retracts in the reverse moving chute 12 using the guide post 18. During this process, the cleaning scraper 17 will not rub against the filter plate 2, realizing unidirectional cleaning. When the guide post 18 moves to the position of the vertical groove 13, it will be pushed upward into the forward moving chute 11 under the elastic force of the compression spring 21, so as to abut against the lower surface of the filter plate 2 for the next cleaning operation.
[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and not to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.
Claims
1. A fiberglass absorption tower with a dust removal device, characterized in that: The system includes a fiberglass absorption tower body (1), a filter plate (2) is horizontally fixed inside the fiberglass absorption tower body (1), a rectangular dust collection box (3) is horizontally slidably arranged below the filter plate (2), the upper end of the dust collection box (3) is open, a cleaning scraper (17) is installed on the top of the dust collection box (3) and is slidably arranged vertically, and a horizontally arranged discharge cylinder (4) is connected to the lower end of the dust collection box (3), a discharge port (6) matching the discharge cylinder (4) is opened on the side wall of the fiberglass absorption tower body (1), and a sealing plate (7) is hinged on the outer wall of the fiberglass absorption tower body (1) to close the discharge port (6). When the outlet end of the discharge cylinder (4) extends to the outside through the discharge port (6), the sealing plate (7) is lifted to open the discharge port (6).
2. The fiberglass absorption tower with a dust removal device according to claim 1, characterized in that: When the cleaning scraper (17) moves horizontally in the forward direction along with the dust collection box (3), it comes into frictional contact with the lower surface of the filter plate (2) through the guide structure; when the cleaning scraper (17) moves horizontally in the reverse direction along with the dust collection box (3), it separates from the lower surface of the filter plate (2) through the guide structure.
3. The fiberglass absorption tower with a dust removal device according to claim 2, characterized in that: The upper end of the sealing plate (7) is hinged to the outer wall of the fiberglass absorption tower body (1) near the upper edge of the discharge port (6) by a torsion spring hinge, and the sealing plate (7) is normally closed to the discharge port (6) by the elastic force of the torsion spring hinge.
4. The fiberglass absorption tower with a dust removal device according to claim 3, characterized in that: The dust collection box (3) has an opening at its lower end, and a guide cylinder that is gradually tapered downwards is fixed to the lower end of the dust collection box (3). The inlet end of the outlet cylinder (4) is horizontally fixed to the lower port of the guide cylinder.
5. The fiberglass absorption tower with a dust removal device according to claim 4, characterized in that: The outlet end of the discharge tube (4) is internally threaded with a plug (5).
6. The fiberglass absorption tower with a dust removal device according to claim 5, characterized in that: The guiding structure includes a drive plate (16) vertically fixed to the outer wall of the dust collection box (3), and a cleaning scraper (17) slidably mounted on the drive plate (16) in a vertical direction. A forward moving chute (11) and a reverse moving chute (12) are respectively fixedly connected side-by-side from top to bottom on opposite inner walls of the fiberglass absorption tower body (1). Guide columns (18) are horizontally fixed to opposite side walls of the cleaning scraper (17) and slidably constrained within the forward moving chute (11) or the reverse moving chute (12). The ends of the forward moving chute (11) and the reverse moving chute (12) furthest from the discharge port (6) are connected by a vertical groove (13). The forward moving chute (11) has an inclined groove (14) extending downward at one end near the discharge port (6). The lower end of the inclined groove (14) is connected to the reverse moving chute (12). A blocking plate (15) is hinged to one edge of the lower end of the inclined groove (14) by a torsion spring hinge. A stop groove is opened on the opposite edge of the lower end of the inclined groove (14). The blocking plate (15) is horizontally set in normal state. The swing end of the blocking plate (15) abuts against the stop groove.
7. The fiberglass absorption tower with a dust removal device according to claim 6, characterized in that: A rectangular sleeve (19) is fixed to the side wall near the upper end of the drive plate (16), and the cleaning scraper (17) is slidably disposed in the rectangular sleeve (19) along the vertical direction.
8. The fiberglass absorption tower with a dust removal device according to claim 7, characterized in that: The drive plate (16) is fixedly connected to the side wall below the rectangular sleeve (19) by a limiting plate (20), and a compression spring (21) is vertically fixed between the lower end of the cleaning scraper (17) and the upper surface of the limiting plate (20).
9. The fiberglass absorption tower with a dust removal device according to claim 8, characterized in that: The fiberglass absorption tower body (1) is provided with a lead screw (9) that is threadedly connected to the drive plate (16) for horizontal rotation between the inner end wall and the outer end of the fiberglass absorption tower body (1). A drive motor (10) that is threadedly connected to the lead screw (9) is fixedly connected to the outer end of the fiberglass absorption tower body (1).
10. The fiberglass absorption tower with a dust removal device according to claim 9, characterized in that: An air inlet cylinder (8) that connects to the inner cavity of the fiberglass absorption tower body (1) is fixedly connected to the outer wall of the tower body.
Citation Information
Patent Citations
Dust removal device for glass fiber reinforced plastic absorption tower
CN221182187U