Multi-layer filtering structure for sewage treatment
By employing a multi-layer filtration structure and an automatic impurity removal design, the problem of impurity residue and clogging in single-stage filtration structures is solved, achieving a more thorough wastewater filtration effect.
Patent Information
- Application Number
- CN202520046031.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-09
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-09
AI Technical Summary
Existing wastewater filtration structures are mostly single-stage filtration systems, which result in insufficient and incomplete filtration, easily causing solid impurities to remain and clog, thus affecting the filtration effect.
It adopts a multi-layer filtration structure, including a first V-shaped filter, a second V-shaped filter, and a circular filter, combined with a squeezing mechanism and a hammer to achieve multi-layer filtration and automatic removal of impurities.
It achieves thorough removal of solid impurities of different sizes, reduces residue and clogging, and improves filtration effect and efficiency.
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Figure CN223716622U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to filter structure technical field, concretely relates to a multilayer filter structure for sewage treatment. BACKGROUND
[0002] Filter structure refers to the solid particles, harmful substances etc. in liquid or gas are intercepted through relevant filter components, thereby realizing separation. Sewage treatment refers to the process that the domestic sewage, industrial wastewater etc. containing harmful substances are treated through a series of physical, chemical, biological etc. processes, so that they reach the state and local environmental standards, and are safely discharged into the natural environment. In the sewage treatment process, filter structure is often used for pretreatment to remove the solid impurities therein.
[0003] At present, the existing sewage filter structure is mostly single-stage filtration, so that the single set filter screen is not sufficient and thorough for sewage filtration, and the solid impurities in sewage are prone to remain. Moreover, the existing filter screen is mostly disassembled and cleaned after filtration is completed. When the sewage impurities are concentrated and accumulated at one place of the filter screen during the filtration process, blockage is easily caused, which affects the filtration effect of the filter screen. Therefore, the utility model provides a multilayer filter structure for sewage treatment. SUMMARY
[0004] In view of the above, the utility model aims at the problem, and provides a multilayer filter structure for sewage treatment.
[0005] The multilayer filter structure for sewage treatment in the scheme comprises a filter box, a cover plate is connected to the top end of the filter box through bolts, a water inlet pipe is fixedly connected to the top end of the cover plate, two pairs of support seats are fixedly connected to the bottom end of the filter box, a first V-shaped filter screen and a second V-shaped filter screen are respectively arranged in the filter box, collecting filter frames are fixedly connected to the two ends of the first V-shaped filter screen and the second V-shaped filter screen, the ends of the collecting filter frames away from each other are in close contact with the inner wall of the filter box, and extrusion movable mechanisms are arranged between the inner walls of the collecting filter frames of the two pairs and the outer wall of the filter box.
[0006] Further, the extrusion movable mechanisms comprise a pair of rotary motors, cams are fixedly connected to the output ends of the rotary motors, arc-end straight plates are arranged at the top ends of the cams, T-shaped plates are fixedly connected to the top ends of the arc-end straight plates, a pair of movable rods are fixedly connected to the bottom ends of the T-shaped plates, a pair of through holes are dug in the top end of the cover plate, the bottom ends of the movable rods extend into the filter box through the through holes, the bottom ends of the movable rods penetrate the top pair of collecting filter frames and are fixedly connected to the inner bottom ends of the bottom pair of collecting filter frames, springs are sleeved on the outer walls of the movable rods, and the two ends of the springs are fixedly connected to the bottom ends of the T-shaped plates and the top end of the cover plate respectively.
[0007] Further, the top of the water inlet pipe is sleeved with a sealing plug, and the outer wall of the sealing plug is in close contact with the inner wall of the water inlet pipe.
[0008] Further, the bottom ends of the first V-shaped filter screen and the second V-shaped filter screen are fixedly connected with a connecting rod, and the bottom end of the connecting rod is fixedly connected with a knocking hammer.
[0009] Further, the two ends of the filter box are fixedly connected with water outlet pipes, the outer wall of the water outlet pipe is fixedly connected with an electric control valve, the inner wall of a pair of the water outlet pipes is fixedly connected with a circular filter screen, the mesh diameter of the first V-shaped filter screen is larger than that of the second V-shaped filter screen, and the mesh diameter of the second V-shaped filter screen is larger than that of the circular filter screen.
[0010] Further, the front end of the filter box is drilled with a through port, and the inner wall of the through port is fixedly connected with a transparent observation plate.
[0011] Further, the bottom ends of the two pairs of support seats are fixedly connected with universal wheels, and the outer wall of the universal wheel is fixedly connected with a stopper matched therewith. Beneficial effects
[0012] Firstly, the first V-shaped filter screen and the second V-shaped filter screen and the circular filter screen are arranged, so that the sewage entering the filter box can be filtered in multiple layers, so as to fully remove solid impurities of different sizes, reduce the residue of solid impurities, ensure the full and thorough impurity filtration, and enhance the sewage filtration effect.
[0013] Secondly, the extrusion mechanism is arranged in cooperation with the connecting rod and the knocking hammer, so that the first V-shaped filter screen and the second V-shaped filter screen can be repeatedly moved up and down, so as to make the impurities fall into the collecting filter frame along the inclined surface of the first V-shaped filter screen and the second V-shaped filter screen under the back-and-forth movement, reduce the accumulation and blockage, and at the same time, the knocking hammer moves up and down and repeatedly knocks the bottom end of the filter box, so as to produce vibration and shake off the impurities gathered on the surface of the circular filter screen, further reduce the possibility of blockage, and thus ensure the filtration effect. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a perspective structural schematic view of the utility model;
[0015] Figure 2 It is a sectional structural schematic view of the first V-shaped filter screen and the second V-shaped filter screen and the collecting filter frame in the utility model;
[0016] Figure 3 It is a perspective structural schematic view of the extrusion mechanism in the utility model;
[0017] Figure 4 It is a partial sectional structural schematic view of the utility model.
[0018] Fig. 1 is a filter box; 2 is a support seat; 3 is a universal wheel; 301 is a stopper; 4 is a cover plate; 5 is a first V-shaped filter screen; 6 is a second V-shaped filter screen; 7 is a collection filter frame; 8 is a squeezing movable mechanism; 801 is a rotary motor; 802 is a cam; 803 is an arc end straight plate; 804 is a T-shaped plate; 805 is a movable rod; 806 is a spring; 9 is a water inlet pipe; 901 is a sealing plug; 10 is a connecting rod; 11 is a knocking hammer; 12 is a transparent observation plate; 13 is a water outlet pipe; 14 is an electric control valve; 15 is a circular filter screen. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0020] Referring to Figures 1 to 4 A multi-layer filtering structure for sewage treatment, as shown in the figure, comprises a filter box 1, a cover plate 4 is connected to the top end of the filter box 1 through bolts, the top end of the cover plate 4 is fixedly connected with a water inlet pipe 9, the bottom end of the filter box 1 is fixedly connected with two pairs of support seats 2, the inside of the filter box 1 is respectively provided with a first V-shaped filter screen 5 and a second V-shaped filter screen 6, the two ends of the first V-shaped filter screen 5 and the second V-shaped filter screen 6 are fixedly connected with collection filter frames 7, the ends of the collection filter frames 7 away from each other are in close contact with the inner wall of the filter box 1, the inner walls of the two pairs of collection filter frames 7 and the outer wall of the filter box 1 are provided with a squeezing movable mechanism 8, the two ends of the filter box 1 are fixedly connected with water outlet pipes 13, the outer wall of the water outlet pipe 13 is fixedly connected with an electric control valve 14, the inner walls of the water outlet pipes 13 are fixedly connected with circular filter screens 15, the mesh size of the first V-shaped filter screen 5 is larger than that of the second V-shaped filter screen 6, and the mesh size of the second V-shaped filter screen 6 is larger than that of the circular filter screen 15.
[0021] In the use process of the scheme, the sewage enters the filter box 1, first passes through the first V-shaped filter screen 5 for first filtering treatment, removes some solid impurities of large volume, then falls on the second V-shaped filter screen 6 for secondary filtering, removes some solid impurities of medium volume, and the V-shaped arrangement of the first V-shaped filter screen 5 and the second V-shaped filter screen 6 can make the solid impurities conveniently fall along the inclined surface into the collection filter frame 7 for collection, then the sewage is discharged outward through the water outlet pipe 13, wherein the third filtering through the circular filter screen 15 can remove some solid impurities of small volume, realize the multi-layer filtering, sufficiently remove the solid impurities of different sizes, reduce the residue of the solid impurities, ensure the sufficient and thorough impurity filtering, enhance the sewage filtering effect, and the cover plate 4 is detachably connected with the filter box 1, can drive the first V-shaped filter screen 5, the second V-shaped filter screen 6 and the collection filter frame 7 to be detached away from the filter box 1, so as to clean the solid impurities in the first V-shaped filter screen 5, the second V-shaped filter screen 6, the collection filter frame 7 and the filter box 1.
[0022] Referring to Figures 1 to 3 As shown, the extrusion movable mechanism 8 comprises a pair of rotary motors 801, the output ends of the pair of rotary motors 801 are fixedly connected with cams 802, the top ends of the pair of cams 802 are provided with arc end straight plates 803, the top ends of the arc end straight plates 803 are fixedly connected with T-shaped plates 804, the bottom ends of the two pairs of T-shaped plates 804 are fixedly connected with a pair of movable rods 805, the top end of the cover plate 4 is drilled with two pairs of through holes, the bottom ends of the two pairs of movable rods 805 pass through the through holes and extend into the filter box 1, the bottom ends of the pair of movable rods 805 pass through the top pair of collection filter frames 7 and are fixedly connected with the inner bottom ends of the bottom pair of collection filter frames 7, the outer walls of the pair of movable rods 805 are sleeved with springs 806, and the two ends of the springs 806 are fixedly connected with the bottom ends of the T-shaped plates 804 and the top end of the cover plate 4 respectively, the bottom ends of the first V-shaped filter screen 5 and the second V-shaped filter screen 6 are fixedly connected with a connecting rod 10, and the bottom end of the connecting rod 10 is fixedly connected with a knocking hammer 11.
[0023] In the use process of the scheme, a pair of rotating motors 801 work synchronously to drive a pair of cams 802 to rotate synchronously. In the rotating process of the pair of cams 802, when the protruding ends of the pair of cams 802 are in contact with the bottom ends of the arc straight plates 803, the arc straight plates 803 and the T-shaped plates 804 are extruded to move upward, driving the pair of movable rods 805 to move upward, driving the first V-shaped filter screen 5, the second V-shaped filter screen 6, and the collection filter frame 7 to move upward, and simultaneously driving the connecting rod 10 and the knocking hammer 11 to move upward and separate from the inner bottom end of the filter box 1. When the protruding ends of the pair of cams 802 are separated from the bottom ends of the arc straight plates 803, the other ends of the cams 802 are in contact with the bottom ends of the arc straight plates 803. When the other ends of the cams 802 are in contact with the bottom ends of the arc straight plates 803, the arc straight plates 803 and the T-shaped plates 804 are reset downward under the elastic action of the springs 806, and the first V-shaped filter screen 5, the second V-shaped filter screen 6, and the collection filter frame 7 move downward. At the same time, the connecting rod 10 and the knocking hammer 11 move downward and contact and collide with the inner bottom end of the filter box 1. Thus, the impurities are repeatedly moved along the inclined surfaces of the first V-shaped filter screen 5 and the second V-shaped filter screen 6 and fall into the collection filter frame 7, reducing the accumulation and blockage. At the same time, the knocking hammer 11 repeatedly strikes the inner bottom end of the filter box 1 to generate vibration, so as to shake off the impurities accumulated on the surface of the circular filter screen 15, further reducing the possibility of blockage, thereby ensuring the filtering effect.
[0024] Referring to Figure 1 and Figure 4 , the top of the water inlet pipe 9 is sleeved with a sealing plug 901, and the outer wall of the sealing plug 901 is in close contact with the inner wall of the water inlet pipe 9.
[0025] In the use process of the scheme, the sealing plug 901 can seal and protect the water inlet pipe 9 when it is idle, reducing the entry of dust. When in use, the sealing plug 901 is removed.
[0026] Referring to Figure 1 , a through port is opened at the front end of the filter box 1, and the inner wall of the through port is fixedly connected with a transparent observation plate 12.
[0027] In the use process of the scheme, the transparent observation plate 12 can be used to observe the filtering situation of the sewage in the filter box 1 in real time, so as to make appropriate adjustments according to the real-time filtering situation.
[0028] Referring to Figure 1 , the bottom ends of the two pairs of support seats 2 are fixedly connected with universal wheels 3, and the outer walls of the universal wheels 3 are fixedly connected with stoppers 301 matched therewith.
[0029] In the use process of the scheme, the universal wheels 3 can be used to move the filter box 1 conveniently, and after the movement is completed, the stoppers 301 are actuated to lock and fix, so as to keep the filter box 1 stable.
[0030] Working principle: sewage through the inlet pipe 9 into the filter box 1, first through the first V-shaped filter screen 5 for the first time filtration treatment, remove some of the solid impurities of large volume, then fall on the second V-shaped filter screen 6, for the second filtration, remove some of the solid impurities of medium volume, again through the third filtration of circular filter screen 15, can remove some of the solid impurities of small volume, multilayer filtration, at the same time, in the process of filtration, a pair of rotating motor 801 synchronous work, drive a pair of cam 802 synchronous rotation, a pair of cam 802 rotation process, its convex end and the bottom end of the arc end straight plate 803 contact, extruding arc end straight plate 803 and T-shaped plate 804 upward movement, drive a pair of movable rod 805 upward movement, drive the first V-shaped filter screen 5 and the second V-shaped filter screen 6 and the collection filter frame 7 upward movement, while the adapter bar 10 and the knocking hammer 11 upward movement, separate from the inner bottom end of the filter box 1, when a pair of cam 802 continue to rotate, its convex end and the bottom end of the arc end straight plate 803 separate, the other end of the cam 802 and the bottom end of the arc end straight plate 803 contact, cooperate with the elastic effect of the spring 806 drive arc end straight plate 803 and T-shaped plate 804 downward reset, the corresponding first V-shaped filter screen 5 and the second V-shaped filter screen 6 and the collection filter frame 7 downward movement, while the adapter bar 10 and the knocking hammer 11 downward movement, contact and impact with the inner bottom end of the filter box 1, so repeatedly, the impurities are dropped along the inclined surface of the first V-shaped filter screen 5 and the second V-shaped filter screen 6 to the collection filter frame 7 under the back and forth movement, while the knocking hammer 11 repeatedly knocks the inner bottom end of the filter box 1, produce vibration, in order to shake off the impurities gathered on the surface of the circular filter screen 15, reduce the blockage, then the sewage through the outlet pipe 13 outward discharge.
[0031] The wiring diagram of the rotating motor 801 and the electric control valve 14 in the scheme belongs to the common knowledge in the art, and the working principle thereof is a known technology, and the model thereof is selected according to actual use, so the control mode and wiring arrangement of the rotating motor 801 and the electric control valve 14 will not be explained in detail.
[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A multi-layer filter structure for sewage treatment, comprising a filter tank (1), characterized in that: The top end of the filter box (1) is bolted with a cover plate (4), and the top end of the cover plate (4) is fixedly connected with a water inlet pipe (9); the bottom end of the filter box (1) is fixedly connected with two pairs of support seats (2); the inside of the filter box (1) is respectively provided with a first V-shaped filter screen (5) and a second V-shaped filter screen (6), and the two ends of the first V-shaped filter screen (5) and the second V-shaped filter screen (6) are fixedly connected with collecting filter frames (7); the distal ends of one pair of the collecting filter frames (7) are in close contact with the inner wall of the filter box (1), and the inner walls of the two pairs of the collecting filter frames (7) are provided between the outer wall of the filter box (1).
2. A multi-layer filtration structure for sewage treatment according to claim 1, characterized in that: The extrusion mechanism (8) comprises a pair of rotary motors (801), the output ends of the rotary motors (801) are fixedly connected with cams (802), the top ends of the cams (802) are provided with arc-end straight plates (803), the top ends of the arc-end straight plates (803) are fixedly connected with T-shaped plates (804), the bottom ends of the T-shaped plates (804) are fixedly connected with a pair of movable rods (805), the top end of the cover plate (4) is drilled with two pairs of through holes, the bottom ends of the movable rods (805) pass through the through holes and extend into the filter box (1), the bottom ends of the movable rods (805) pass through the top pair of the collecting filter frames (7) and are fixedly connected with the inner bottom ends of the bottom pair of the collecting filter frames (7), the outer walls of the movable rods (805) are sleeved with springs (806), and the two ends of the springs (806) are fixedly connected with the bottom ends of the T-shaped plates (804) and the top end of the cover plate (4) respectively.
3. The multi-layer filtration structure for sewage treatment according to claim 1, characterized in that: The top of the water inlet pipe (9) is sleeved with a sealing plug (901), and the outer wall of the sealing plug (901) is in close contact with the inner wall of the water inlet pipe (9).
4. The multi-layer filtration structure for sewage treatment according to claim 1, characterized in that: The bottom ends of the first V-shaped filter screen (5) and the second V-shaped filter screen (6) are fixedly connected with a connecting rod (10), and the bottom end of the connecting rod (10) is fixedly connected with a knocking hammer (11).
5. The multi-layer filtration structure for sewage treatment according to claim 1, characterized in that: The two ends of the filter box (1) are fixedly connected with water outlet pipes (13), and the outer wall of the water outlet pipe (13) is fixedly connected with an electric control valve (14); the inner walls of the water outlet pipes (13) are fixedly connected with circular filter screens (15); the mesh diameter of the first V-shaped filter screen (5) is larger than that of the second V-shaped filter screen (6), and the mesh diameter of the second V-shaped filter screen (6) is larger than that of the circular filter screen (15).
6. The multi-layer filtration structure for sewage treatment according to claim 1, characterized in that: The front end of the filter box (1) is drilled with a through hole, and the inner wall of the through hole is fixedly connected with a transparent observation plate (12).
7. The multi-layer filtration structure for sewage treatment according to claim 1, characterized in that: The bottom ends of the two pairs of support seats (2) are fixedly connected with universal wheels (3), and the outer wall of the universal wheel (3) is fixedly connected with a stopper (301) matched therewith.