Fiber filter for water treatment

Abstract

The present application relates to the technical field of fiber filter, and provides a fiber filter for water treatment, which comprises a filter cylinder, a fixing plate and a rotating disc, the fixing plate is arranged at the bottom of the filter cylinder, and the rotating disc is arranged above the fixing plate; a fiber bundle filter core, one end of the fiber bundle filter core is connected to the upper surface of the fixing plate, and the other end is connected to the lower surface of the rotating disc; a scraper is arranged at the outer edge of the rotating disc and is in contact with the inner wall of the filter cylinder; a rotating shaft driven by a motor is arranged vertically in the middle of the filter cylinder, the surface of the rotating shaft is provided with a guide protrusion arranged along the axial direction of the rotating shaft, the rotating disc is provided with a clamping groove matched with the guide protrusion, an extender is installed on the rotating shaft and rotates synchronously, and the extension end of the extender is connected to the upper surface of the rotating disc, so that the rotating disc moves up and down along the rotating shaft when the rotating disc is alternately rotated in forward and reverse directions relative to the fixing plate. The present application can improve the cleanliness of the filter cylinder inner wall and the fiber bundle filter core after cleaning, improve the cleaning effect, and restore the filtering performance of the filter cylinder to a better state.

Description

Technical Field

[0001] This invention relates to the field of fiber filter technology, and more specifically, to a fiber filter for water treatment. Background Technology

[0002] Fiber filters are widely used in water supply systems and circulating water treatment systems in industries such as chemical, metallurgical, printing and dyeing, and urban water supply. They are used to filter impurities from industrial raw water (river water, tap water) to ensure that the effluent meets the standards required by the water supply and circulating water treatment systems. However, the water being treated itself contains many impurities and particulate matter. Microbial slime, biodegradation, and silt adhere to the fiber surface and inner wall of the filter cartridge. As the water output of the fiber filter gradually decreases, its filtration performance deteriorates, requiring filter cartridge replacement or cleaning. Traditional cleaning methods use backwashing, which, while effective to some extent, is insufficient to completely remove the deposits from the fiber bundles, filter cartridges, and inner walls of the filter cartridges. The cleaning effect is generally poor, and the filter cartridge's filtration efficiency is not optimal. Summary of the Invention

[0003] The purpose of this invention is to provide a fiber filter for water treatment that can improve the cleanliness of the inner wall of the filter cartridge and the fiber bundle filter element, thereby improving the cleaning effect.

[0004] The embodiments of the present invention are achieved through the following technical solutions: A fiber filter for water treatment includes a filter cylinder, a fixed plate, and a turntable. The fixed plate is disposed at the bottom of the filter cylinder, and the turntable is disposed above the fixed plate. A fiber bundle filter element is included, with one end connected to the upper surface of the fixed plate and the other end connected to the lower surface of the turntable. At least one scraper is provided on the outer edge of the turntable, and the scraper contacts the inner wall of the filter cylinder. A motor-driven rotating shaft is vertically arranged in the middle of the filter cylinder, and the surface of the rotating shaft is provided with a axially distributed... The rotating disk has a guide protrusion and a slot that matches the guide protrusion. A telescopic device is mounted on the rotating shaft and rotates synchronously with it. The telescopic end of the telescopic device is connected to the upper surface of the rotating disk, so that the rotating disk moves up and down along the rotating shaft while rotating alternately in forward and reverse directions relative to the fixed plate. A filter plate is provided on the lower side of the fixed plate, and the rotating disk is provided with multiple first material inlets and the fixed plate is provided with multiple second material inlets. A sewage inlet pipe is connected to the upper end of the filter cylinder, and a backwash inlet pipe is provided on the lower side of the filter cylinder corresponding to the fiber bundle filter element.

[0005] Preferably, the top of the filter cartridge is provided with an exhaust port; the middle part of the fixing plate is provided with a sleeve, and the sleeve is provided with multiple air jet holes from top to bottom; the lower end of the rotating shaft is connected to the upper end of the sleeve and rotates therewith; the outer end of the filter cartridge is connected with an air pipe, and the air pipe is connected to the sleeve from the bottom of the fixing plate.

[0006] Preferably, the lower end of the filter cylinder is provided with a drain port, and the drain port is located on the lower side of the filter plate; the filter plate is provided with a waste residue hole, and a plug is inserted into the waste residue hole, and an electric cylinder is connected to the bottom of the plug to lift it open.

[0007] Preferably, the scraper is provided in two parts and symmetrically distributed on both sides of the turntable, and the turntable is connected to the middle of the scraper.

[0008] Preferably, both the first and second material inlets are straight strip-shaped holes, and both the first and second material inlets are provided with multiple holes evenly spaced in a ring.

[0009] Preferably, the top of the filter cartridge is provided with a cleaning agent injection port.

[0010] Preferably, the fixing plate is provided with a connector for adapting to the fiber bundle filter element.

[0011] Preferably, an overflow pipe is installed on the filter cartridge, and the vertical height of the overflow pipe is higher than the vertical height of the sewage inlet pipe.

[0012] The technical solution of this invention has at least the following advantages and beneficial effects: Before rinsing, the filter is stopped. Clean water is injected through the backwash inlet pipe to soak the fiber bundle filter element and the cylinder wall to a certain height. While the motor drives the turntable to rotate, the telescopic device drives the turntable to move down a certain distance. As a result, the fiber bundle filter element between the turntable and the fixed plate twists and turns repeatedly into a spiral shape, making it easier for the adhering substances to fall off. The scraper rotates along the cylinder wall to scrape off the adhering impurities, with a wide coverage area and better cleaning effect. The cleanliness of the fiber bundle filter element and the inner wall of the filter cylinder is higher, which is conducive to restoring the filter to its optimal filtration performance. Attached Figure Description

[0013] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the structure of a fiber filter for water treatment provided in an embodiment of the present invention;

[0015] Figure 2 This is a top view of the fixing plate in this invention;

[0016] Figure 3 This is a top view of the turntable in this invention.

[0017] Icons: 1-Filter cartridge, 2-Fixing plate, 21-Second feed port, 22-Connector, 3-Turntable, 31-Slot, 32-First feed port, 4-Fiber bundle filter element, 5-Scraper, 6-Shaft, 61-Guide protrusion, 7-Expansion joint, 8-Filter plate, 81-Waste residue hole, 9-Sewage inlet pipe, 10-Backwash inlet pipe, 11-Air pipe, 12-Sleeve, 121-Air jet hole, 13-Plug, 14-Electric cylinder, 15-Drain outlet, 16-Overflow pipe, 17-Cleaning agent injection port, 18-Exhaust port. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0019] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0020] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0021] Example

[0022] The following description, in conjunction with specific embodiments, provides further details. Figures 1-3As shown, this embodiment is a fiber filter for water treatment, including a filter cylinder 1, a fixed plate 2, and a turntable 3. The fixed plate 2 is located at the bottom of the filter cylinder 1, and the turntable 3 is located above the fixed plate 2. A fiber bundle filter element 4 is included, with one end connected to the upper surface of the fixed plate 2 and the other end connected to the lower surface of the turntable 3. At least one scraper 5 is provided on the outer edge of the turntable 3, and the scraper 5 contacts the inner wall of the filter cylinder 1. A motor-driven rotating shaft 6 is vertically arranged in the middle of the filter cylinder 1. The surface of the rotating shaft 6 is provided with guide protrusions 61 arranged along its axial direction. The rotating disk 3 is provided with a slot 31 that matches the guide protrusions 61. An expansion joint 7 is installed on the rotating shaft 6 and rotates synchronously with it. The telescopic end of the expansion joint 7 is connected to the upper surface of the rotating disk 3, so that the rotating disk 3 rotates alternately in forward and reverse directions relative to the fixed plate 2, while the rotating disk 3 moves up and down along the rotating shaft 6. A filter plate 8 is provided on the lower side of the fixed plate 2, and the rotating disk 3 is provided with multiple first material inlets 32. The fixed plate 2 is provided with multiple second material inlets 21. The filter cylinder 1 is... A wastewater inlet pipe 9 is connected to the filter cylinder 1, and a backwash inlet pipe 10 is provided on the lower side of the filter cylinder 1 corresponding to the fiber bundle filter element 4. Specifically, in use, the wastewater inlet pipe 9 starts to fill the filter with water from the top of the fiber bundle filter element 4. The water enters from the first feed port 32 and contacts the fiber bundle filter element 4, and flows out from the second feed port 21 and then passes through the filter plate 8 to complete the filtration. When the water output decreases due to long-term use and the filtration performance deteriorates, the water inside the filter is emptied and the operation is stopped. The backwash inlet pipe 10 is then used to inject water into the cylinder for soaking. The motor drives the rotating shaft 6 to rotate, which in turn drives the rotating disk 3 to rotate. The telescopic device 7 pushes the rotating disk 3 downward, causing the fiber bundle filter element 4 to form a spiral shape. In this state, impurities on the fiber bundle filter element 4 are more easily dislodged into the water. The inner wall of the filter cartridge within the vertical movement range of the rotating disk 3 can also be cleaned by the rotating scraper 5. Through multiple forward and reverse rotations of the rotating disk 3 from top to bottom, the amount of impurities adhering to the inner wall and the fiber bundle filter element 4 is further reduced, better restoring the filtration performance of the filter and resulting in a better cleaning effect.

[0023] It is worth noting that the forward and reverse rotation angle of turntable 3 should not exceed 360°, otherwise the fiber bundle filter element 4 may be damaged.

[0024] like Figure 1 As shown, in order to further improve the cleaning effect, an exhaust port 18 is provided at the top of the filter cylinder 1; a sleeve 12 is provided in the middle of the fixed plate 2, and multiple air jet holes 121 are provided from top to bottom on the sleeve 12. The lower end of the rotating shaft 6 is connected to the upper end of the sleeve 12 and rotates therewith; an air pipe 11 is connected to the outer end of the filter cylinder 1, and the air pipe 11 is connected to the sleeve 12 from the bottom of the fixed plate 2; specifically, air is introduced through the externally connected air pipe 11 and dispersed from the middle through the air jet holes 121 to the fiber bundle filter element 4 to realize air agitation and promote the shedding of impurities.

[0025] In this embodiment, the filter cylinder 1 has a drain port 15 at its lower end, and the drain port 15 is located on the lower side of the filter plate 8. The filter plate 8 has a waste residue hole 81, and a plug 13 is inserted into the waste residue hole 81. The bottom of the plug 13 is connected to an electric cylinder 14 to lift it open. Specifically, when the impurities and sludge accumulate to a certain amount, the electric cylinder 14 extends and completely lifts the plug 13 out of the waste residue hole 81, thereby opening the waste residue hole 81. The wastewater and impurities flow out of the filter cylinder 1 through the waste residue hole 81 and the drain port 15.

[0026] In this embodiment, two scrapers 5 are provided and symmetrically distributed on both sides of the turntable 3. The turntable 3 is connected to the middle of the scraper 5. Specifically, by setting two scrapers 5 on both sides of the turntable 3, working parts are added. The two scrapers can achieve two scrapings when rotating at the same height for one revolution, resulting in a more efficient cleaning effect. At the same time, the middle of the turntable 3 and the scraper 5 are connected, and the scraper 5 can be adjusted up and down relative to the turntable 3, thereby making the cleaning coverage of the scraper 5 wider.

[0027] In this embodiment, both the first feed port 32 and the second feed port 21 are straight strip-shaped holes, and both the first feed port 32 and the second feed port 21 are provided with multiple holes evenly spaced in a ring; specifically, the straight strip-shaped holes have better...

[0028] To further improve the cleaning effect, a cleaning agent injection port 17 is provided at the top of the filter cylinder 1; specifically, sodium hydroxide is used as the cleaning agent, and air stirring is used to facilitate the complete dissolution of sodium hydroxide. The solvent is used to soak for 24-48 hours before driving the turntable 3 and the telescoping device 7 to operate.

[0029] To prevent the fiber bundle filter element 4 from falling off the fixing plate 2 and to improve its stability, a connector 22 is provided on the fixing plate 2 to be adapted to the fiber bundle filter element 4; one end of the fiber bundle filter element 4 is inserted into the connector 22 and tied tightly.

[0030] In this embodiment, an overflow pipe 16 is installed on the filter cylinder 1, and the vertical height of the overflow pipe 16 is higher than the vertical height of the sewage inlet pipe 9. Specifically, when the filter is treating water, in order to avoid filling the filter cylinder 1 with too much wastewater, when the water level is too high above the sewage inlet pipe 9, the excess water can be discharged from the filter cylinder 1 along the overflow pipe 16.

[0031] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A fibrous filter for water treatment comprising a filter cartridge (1), characterised in that: It also includes a fixed plate (2) and a rotating disc (3), the fixed plate (2) is arranged at the bottom of the filter cartridge (1), and the rotating disc (3) is arranged above the fixed plate (2); A fiber bundle filter core (4) is connected to the upper surface of the fixed plate (2) at one end and to the lower surface of the rotating disc (3) at the other end; At least one scraper (5) is arranged at the outer edge of the rotating disc (3) and is in contact with the inner wall of the filter cartridge (1); A motor-driven rotating shaft (6) is vertically arranged in the middle of the filter cartridge (1), the surface of the rotating shaft (6) is provided with a guide protrusion (61) arranged along the axial direction, the rotating disc (3) is provided with a clamping groove (31) matched with the guide protrusion (61), a telescopic device (7) is installed on the rotating shaft (6) and rotates synchronously, and the telescopic end of the telescopic device (7) is connected to the upper surface of the rotating disc (3), so that the rotating disc (3) moves up and down along the rotating shaft (6) while the rotating disc (3) rotates alternately in forward and reverse directions relative to the fixed plate (2); The lower side of the fixed plate (2) is provided with a filter plate (8), and the rotating disc (3) is provided with a plurality of first material passing openings (32), and the fixed plate (2) is provided with a plurality of second material passing openings (21); The upper end of the filter cartridge (1) is connected with a sewage inlet pipe (9), and the lower side of the filter cartridge (1) is provided with a backwashing inlet pipe (10) corresponding to one side of the fiber bundle filter core (4).

2. The fibrous filter for water treatment according to claim 1, characterized by: An exhaust port (18) is arranged at the top of the filter cartridge (1); A sleeve (12) is arranged in the middle of the fixed plate (2), the sleeve (12) is provided with a plurality of air injection holes (121) from top to bottom, and the lower end of the rotating shaft (6) is connected to the upper end of the sleeve (12) and rotates with it; An air pipe (11) is connected to the outer end of the filter cartridge (1), and the air pipe (11) is in communication with the sleeve (12) from the bottom of the fixed plate (2).

3. The fibrous filter for water treatment according to claim 1, characterized by: A sewage discharge port (15) is arranged at the lower end of the filter cartridge (1), and the sewage discharge port (15) is located at the lower side of the filter plate (8); A waste residue hole (81) is formed in the filter plate (8), a plug (13) is inserted into the waste residue hole (81), and the bottom of the plug (13) is connected with an electric cylinder (14) to lift it and open it.

4. The fibrous filter for water treatment according to claim 1, characterized by: The scraper (5) is provided with two and symmetrically distributed on both sides of the rotating disc (3), and the middle of the rotating disc (3) is connected with the scraper (5).

5. The fibrous filter for water treatment according to claim 1, characterized by: The first material passing opening (32) and the second material passing opening (21) are both linear strip-shaped holes, and the first material passing opening (32) and the second material passing opening (21) are both provided with a plurality of annularly and uniformly spaced.

6. The fibrous filter for water treatment according to claim 1, characterized by: A cleaning agent injection port (17) is arranged at the top of the filter cartridge (1).

7. The fibrous filter for water treatment according to claim 1, characterized by: A joint (22) is arranged on the fixed plate (2) to match the fiber bundle filter core (4).

8. The fibrous filter for water treatment according to claim 1, characterized by: An overflow pipe (16) is installed on the filter cartridge (1), and the vertical height of the overflow pipe (16) is higher than the vertical height of the sewage inlet pipe (9).

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