Wastewater filtering device

Abstract

The utility model relates to the technical field of wastewater filtering, in particular to a wastewater filtering device which comprises a lower filtering cylinder, an upper filtering cylinder is arranged at the top of the lower filtering cylinder, a lower supporting ring is arranged above the inner wall of the lower filtering cylinder, a lower filtering net is placed at the top of the lower supporting ring, an upper supporting ring is arranged below the inner wall of the upper filtering cylinder, and a lower filtering net is placed at the bottom of the upper supporting ring. An upper filter screen is arranged at the bottom of the upper supporting ring, upper fixing blocks are installed below the two sides of the upper filter cylinder, inserting blocks are installed at the bottoms of the upper fixing blocks, lower fixing blocks are installed above the two sides of the lower filter cylinder, inserting grooves connected with the inserting blocks in an inserted mode are formed in the tops of the lower fixing blocks, and the inserting blocks and bolts are detachably installed. Through the arrangement of the upper and lower support rings, the upper and lower filter screens are fixed between the upper and lower support rings after the upper and lower filter cartridges are fixedly mounted together, and after the upper and lower filter cartridges are separated, the upper and lower support rings are separated, so that the fixation of the upper and lower filter screens can be canceled, and the upper and lower filter screens can be conveniently cleaned and replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of wastewater filtration, in particular to a wastewater filtration device. Background Art

[0002] Wastewater refers to the general term for water discharged during residential activities and runoff rainwater. It includes domestic sewage, industrial wastewater, and other unused water such as initial rainwater runoff into drainage pipes. It generally refers to water that cannot be recycled after certain technical treatment or water that is difficult to purify after primary pollution and does not meet certain standards.

[0003] China Utility Model Publication No.: CN219879273U includes: a first filter box; a second filter box, the second filter box is movably connected to the top of the first filter box; a horizontal plate, the horizontal plate is movably connected to the top of the second filter box; a first plug hole, the first plug hole is opened on both sides of the top of the first filter box; a first plug block, the first plug block is fixed to both sides of the bottom of the second filter box; a second plug hole, the second plug hole is opened on both sides of the top of the second filter box; a second plug block, the second plug block is fixed to both sides of the bottom of the horizontal plate. The papermaking wastewater filtration device provided by the utility model can quickly and fully filter papermaking wastewater, and can quickly and fully clean it after filtration, which greatly facilitates the cleaning of the staff and ensures that the next wastewater filtration work can be carried out faster and better.

[0004] The applicant found that this patent had some shortcomings in use: the wastewater entered the second filter through a vertical pipe for filtration, but the wastewater flowed downward, and the contact area with the second filter was small, resulting in low utilization of the filter, and the filter was fixedly installed in the filter box, which was inconvenient to clean and replace the filter.

[0005] Therefore, the present invention designs a wastewater filtering device to solve the problems existing in the prior art. Utility Model Content

[0006] The purpose of the present utility model is to provide a wastewater filtering device to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a wastewater filtering device, comprising: a lower filter cartridge, an upper filter cartridge is provided on the top of the lower filter cartridge, a lower support ring is installed above the inner wall of the lower filter cartridge, a lower filter screen is placed on the top of the lower support ring, an upper support ring is installed below the inner wall of the upper filter cartridge, an upper filter screen is provided at the bottom of the upper support ring, upper fixing blocks are installed below both sides of the upper filter cartridge, an insert block is installed at the bottom of the upper fixing block, lower fixing blocks are installed above both sides of the lower filter cartridge, a slot for plugging with the insert block is opened on the top of the lower fixing block, the insert block and bolt are detachable and installed, a conical cylinder is installed in the middle of the top of the upper filter cartridge, a water inlet pipe is provided on the top of the conical cylinder, and a plurality of water outlets are provided at the bottom of the conical cylinder.

[0008] Preferably, a handle is provided at one end of the bolt, and the handle facilitates the staff to turn the bolt.

[0009] Preferably, a limiting groove is provided on the top of the lower filter cartridge, and a limiting ring plugged into the limiting groove is installed on the bottom of the upper filter cartridge. The limiting ring is stuck in the limiting groove, which can improve the stability of the upper and lower filter cartridges.

[0010] Preferably, a sealing ring is provided in the limiting groove, and the sealing ring can improve the sealing performance of the insert block and the slot.

[0011] Preferably, a base is provided below the lower filter cartridge, the base and the bottom of the lower filter cartridge are connected via a plurality of damping springs, a vibrator is provided at the bottom of the lower filter cartridge, and the filter screen can be vibrated by the vibrator and the damping springs to improve the filtering effect.

[0012] Preferably, a bolt is installed on the lower fixing block through threaded rotation, and a threaded hole is opened on the inserting block, and the upper and lower fixing frames can be easily disassembled and assembled through the bolt and the threaded hole.

[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0014] 1. The utility model adopts the setting of the conical cylinder. The wastewater enters the conical cylinder through the water inlet pipe and is discharged through a plurality of water outlets. This can make the contact area between the wastewater and the filter wider, thereby improving the utilization rate of the filter;

[0015] 2. The utility model adopts the setting of upper and lower support rings. After the upper and lower filter cartridges are installed and fixed together, the upper and lower filter screens are fixed between the upper and lower support rings. When the upper and lower filter cartridges are separated, the upper and lower support rings are separated, and the fixation of the upper and lower filter screens can be cancelled, thereby facilitating the cleaning and replacement of the upper and lower filter screens. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main view of the utility model;

[0017] Figure 2 This is a schematic diagram of the lower filter cartridge structure of the present utility model;

[0018] Figure 3 This is a schematic diagram of the upper filter cartridge structure of the present utility model;

[0019] Figure 4 This is a schematic diagram of the conical tube structure of the present utility model.

[0020] In the figure: 1. Lower filter cartridge; 2. Upper filter cartridge; 3. Lower support ring; 4. Lower filter screen; 5. Upper support ring; 6. Upper filter screen; 7. Upper fixing block; 8. Insert block; 9. Lower fixing block; 10. Slot; 11. Bolt; 12. Threaded hole; 13. Limit groove; 14. Limit ring; 15. Conical cylinder; 16. Water inlet pipe; 17. Water outlet; 18. Base; 19. Damping spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] See also Figure 1-4 The utility model provides an embodiment of a wastewater filtering device, comprising: a lower filter cartridge 1, an upper filter cartridge 2 is provided on the top of the lower filter cartridge 1, a lower support ring 3 is installed above the inner wall of the lower filter cartridge 1, a lower filter screen 4 is placed on the top of the lower support ring 3, an upper support ring 5 is installed below the inner wall of the upper filter cartridge 2, an upper filter screen 6 is provided at the bottom of the upper support ring 5, upper fixing blocks 7 are installed at the bottom of both sides of the upper filter cartridge 2, an insert block 8 is installed at the bottom of the upper fixing block 7, lower fixing blocks 9 are installed at the top of both sides of the lower filter cartridge 1, a slot 10 for plugging with the insert block 8 is opened on the top of the lower fixing block 9, and the insert block 8 and the bolt 11 are detachable and installed, a conical cylinder 15 is installed in the middle of the top of the upper filter cartridge 2, a water inlet pipe 16 is provided at the top of the conical cylinder 15, and a plurality of water outlets 17 are provided at the bottom of the conical cylinder 15.

[0023] See also Figure 1-3 In this embodiment, a handle is provided at one end of the bolt 11.

[0024] See also Figure 1-3 In this embodiment, a limiting groove 13 is provided on the top of the lower filter cartridge 1 , and a limiting ring 14 is installed on the bottom of the upper filter cartridge 2 and is plugged into the limiting groove 13 .

[0025] See also Figure 1-3 In this embodiment, a sealing ring is provided in the limiting groove 13.

[0026] See also Figure 1-3 In this embodiment: a base 18 is provided below the lower filter cartridge 1 , the base 18 and the bottom of the lower filter cartridge 1 are connected via a plurality of damping springs 19 , and a vibrator is provided at the bottom of the lower filter cartridge 1 .

[0027] See also Figure 1-3 In this embodiment, a bolt 11 is installed on the lower fixing block 9 by threaded rotation, and a threaded hole 12 is opened on the insert block 8.

[0028] Working principle: The lower filter screen 4 is placed on the top of the lower support ring 3, and the upper filter screen 6 is placed on the top of the lower filter screen 4. Then the upper filter cartridge 2 is installed on the top of the lower filter cartridge 1. The upper support ring 5 presses the top of the upper filter screen 6. The lower filter screen 4 and the upper filter screen 6 can be fixed between the lower support ring 3 and the upper support ring 5. The plug 8 is inserted into the slot 10, and the bolt 11 is screwed into the threaded hole 12 to fix the lower filter cartridge 1 and the upper filter cartridge 2. The wastewater enters the conical cylinder 15 through the water inlet pipe 16, and then flows into the lower filter cartridge 1 and the upper filter cartridge 2 through the water outlet 17. The wastewater is filtered through the lower filter screen 4 and the upper filter screen 6. Filter, through a plurality of water outlets 17, the wastewater can be brought into contact with the upper filter screen 6 and the lower filter screen 4, thereby improving the utilization rate of the upper filter screen 6 and the lower filter screen 4. When it is necessary to clean the inner walls of the lower filter cartridge 1 and the upper filter cartridge 2, the bolts 11 are unscrewed from the threaded holes 12 to separate the upper filter cartridge 2 and the lower filter cartridge 1 upward, thereby facilitating the cleaning of the inner walls of the lower filter cartridge 1 and the upper filter cartridge 2. At the same time, after the upper filter cartridge 2 leaves the lower filter cartridge 1, the fixation of the lower filter screen 4 and the upper filter screen 6 is cancelled, thereby facilitating the cleaning of the lower filter screen 4 and the upper filter screen 6. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A wastewater filtration device comprising: The lower filter cartridge (1) is characterized in that: an upper filter cartridge (2) is provided on the top of the lower filter cartridge (1), a lower support ring (3) is installed above the inner wall of the lower filter cartridge (1), a lower filter screen (4) is placed on the top of the lower support ring (3), an upper support ring (5) is installed below the inner wall of the upper filter cartridge (2), an upper filter screen (6) is provided at the bottom of the upper support ring (5), upper fixing blocks (7) are installed below both sides of the upper filter cartridge (2), and the upper fixing blocks (7) are provided on the upper side of the upper filter cartridge (2). An insert block (8) is installed at the bottom, lower fixing blocks (9) are installed above both sides of the lower filter cartridge (1), a slot (10) for plugging with the insert block (8) is provided at the top of the lower fixing block (9), the insert block (8) and the bolt (11) are detachable, a conical cylinder (15) is installed at the middle of the top of the upper filter cartridge (2), a water inlet pipe (16) is provided at the top of the conical cylinder (15), and a plurality of water outlets (17) are provided at the bottom of the conical cylinder (15).

2. A wastewater filtration device according to claim 1, characterized in that: One end of the bolt (11) is provided with a handle.

3. A wastewater filtration device according to claim 1, characterized in that: A limiting groove (13) is provided on the top of the lower filter cartridge (1), and a limiting ring (14) plugged into the limiting groove (13) is installed on the bottom of the upper filter cartridge (2).

4. A wastewater filtration device according to claim 3, characterized in that: A sealing ring is provided in the limiting groove (13).

5. The wastewater filtration device according to claim 1, characterized in that: A base (18) is provided below the lower filter cartridge (1), the base (18) and the bottom of the lower filter cartridge (1) are connected via a plurality of damping springs (19), and a vibrator is provided at the bottom of the lower filter cartridge (1).

6. The wastewater filtration device according to claim 1, characterized in that: A bolt (11) is installed on the lower fixing block (9) by means of threaded rotation, and a threaded hole (12) is provided on the inserting block (8).

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