Efficient integrated plastic inner inflow grille
By using a multi-stage plastic grid stacking and fixing component design, the problem of easy clogging in traditional internal flow grids is solved, achieving efficient sewage filtration and stable operation of the sewage treatment system.
Patent Information
- Application Number
- CN202520077881.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-14
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-01-14
AI Technical Summary
Traditional internal flow screens are easily contaminated and clogged by larger particles such as sand and leaves in sewage, leading to decreased filtration efficiency, increased maintenance costs, and reduced overall efficiency of the sewage treatment system.
A multi-stage plastic grid assembly is used to form a graded filtration system, which is stabilized within the grid frame by fixing components, thereby improving the interception effect of impurities of different particle sizes.
It improves filtration efficiency, reduces the impact of impurities on subsequent treatment processes, enhances the overall performance of the wastewater treatment system, and reduces equipment maintenance costs and failure risks.
Smart Images

Figure CN223683117U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to sewage treatment grid technical field, especially in an efficient integrated plastic inner flow grid. BACKGROUND
[0002] In the sewage treatment system, the inner flow grid plays a vital role, which is responsible for intercepting solid impurities in sewage, preventing it from entering the subsequent processing link, and protecting the subsequent equipment from damage and blockage.
[0003] However, the traditional inner flow grid often has many defects, especially if the sewage contains a large amount of sand, leaves and other larger particles, so the inner flow grid is easily contaminated and blocked when treating sewage, resulting in a decrease in filtration efficiency and affecting the normal operation of the entire sewage treatment system, which not only increases the maintenance cost of the equipment, but also reduces the overall efficiency of sewage treatment.
[0004] Therefore, an efficient integrated plastic inner flow grid is proposed. UTILITY MODEL CONTENT
[0005] The utility model aims at providing an efficient integrated plastic inner flow grid, which can solve the problem of the traditional inner flow grid often having many defects, especially if the sewage contains a large amount of sand, leaves and other larger particles, so the inner flow grid is easily contaminated and blocked when treating sewage, resulting in a decrease in filtration efficiency and affecting the normal operation of the entire sewage treatment system, which not only increases the maintenance cost of the equipment, but also reduces the overall efficiency of sewage treatment.
[0006] To achieve the above purpose, the utility model provides the following technical scheme: an efficient integrated plastic inner flow grid, comprising a grid plate frame, a grid plate partition plate is bolted in the middle of the grid plate frame, the two sides of the grid plate partition plate and the two sides of the inner wall of the grid plate frame are bolted with a grid plate support frame, the two sides of the inside of the grid plate frame are provided with a filter grid assembly, and the filter grid assembly is on the top of the adjacent two grid plate support frames, the top of the grid plate frame is bolted with a fixed component, and the bottom of the fixed component is in close contact with the filter grid assembly.
[0007] The filter grid assembly comprises a plastic frame, a primary plastic grid plate, a secondary plastic grid plate and a tertiary plastic grid plate are arranged in the inside of the plastic frame, and the primary plastic grid plate, the secondary plastic grid plate and the tertiary plastic grid plate are arranged in the inside of the plastic frame in a stacked manner.
[0008] Preferably, the fixed component comprises two U-shaped pressing strips, the two U-shaped pressing strips are bolted on the two sides of the top of the grid plate frame, and the bottom of the U-shaped pressing strip is in close contact with the plastic frame.
[0009] Preferably, the top of the two U-shaped pressing strips between the opposite sides is provided with a positioning pressing strip, and the bottom of the positioning pressing strip is in close contact with the U-shaped pressing strip and the plastic frame respectively, and the positioning pressing strip is bolted with the grid plate partition.
[0010] Preferably, the front side and the rear side inside the positioning pressing strip are both penetrated by studs, the bottom of the stud is welded with the grid plate frame, the surface of the stud is threadedly connected with a fastening nut, and the bottom of the fastening nut is in close contact with the positioning pressing strip.
[0011] Preferably, the bottom of the plastic frame is bolted with a plurality of positioning columns on both sides, the bottom of the positioning column extends into the inside of the grid plate support frame, the top of a plurality of grid plate cross frames is provided between the top of the grid plate support frame, and the top of the grid plate cross frame is in contact with the plastic frame.
[0012] Preferably, the top of the grid plate support frame is provided with a plurality of positioning grooves matched with the positioning columns, and the positioning column is in the inside of the positioning groove.
[0013] Preferably, the four corners of the inner wall bottom of the plastic frame are provided with supporting blocks, and a plurality of fastening bolts are penetrated through the four corners inside the three-stage plastic grid plate, the bottom of the fastening bolt penetrates through the inside of the second-stage plastic grid plate and the first-stage plastic grid plate and is threadedly connected with the supporting block.
[0014] Preferably, the four corners of the top and the bottom of the second-stage plastic grid plate are provided with spacing sleeves, and the side of the spacing sleeve close to the first-stage plastic grid plate and the third-stage plastic grid plate is respectively in contact with the two, and the spacing sleeve is respectively sleeved on the top and the bottom of the surface of the fastening bolt.
[0015] Compared with the prior art, the utility model has the advantages that:
[0016] 1、The filtering grid assembly is provided, the filtering grid assembly is stacked by the multistage plastic grid plate, forms a grading filter system, this multistage filtering mode improves the filtering effect of different particle size impurities, ensures the effective interception of impurities in sewage, not only improves the filtering efficiency, reduces the influence of impurities on subsequent sewage treatment link, also improves the overall performance of sewage treatment system;
[0017] 2、The fixing assembly is arranged, the position stability of the filtering grid assembly in the grid plate frame is guaranteed, displacement or loosening of the filtering grid assembly due to water flow impact, mechanical vibration and other factors is avoided, the structural strength of the whole device is improved, the inner inlet grid can stably operate for a long time, the maintenance cost and failure risk caused by part loosening are reduced, and the continuity and effectiveness of the sewage filtering process are guaranteed. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1The utility model discloses a high -efficient integrated plastic inner flow grid of going in, and the whole structure diagram of going in is provided.
[0019] Figure 2 The utility model discloses a filter grid assembly and the connection schematic drawing of grid plate frame,
[0020] Figure 3 The utility model discloses a filter grid assembly and the connection schematic drawing of grid plate support frame,
[0021] Figure 4 The utility model discloses a filter grid assembly and the connection schematic drawing of grid plate frame,
[0022] Figure 5 The utility model discloses Figure 3 The utility model discloses a high -efficient integrated plastic inner flow grid of going in, and the whole structure diagram of going in is provided.
[0023] In the drawing, 1, grid plate frame, 2, grid plate partition, 3, grid plate support frame, 4, filter grid assembly, 41, plastic frame, 42, first -level plastic grid plate, 43, second -level plastic grid plate, 44, third -level plastic grid plate, 5, fixed component, 51, U -shaped batten, 52, positioning batten, 53, stud, 54, fastening nut, 6, positioning column, 7, grid plate cross -piece, 8, positioning groove, 9, support block, 10, fastening bolt, 11, interval cylinder. Specific implementation
[0024] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the range of protection of the utility model.
[0025] Please refer to Figures 1-5 The utility model provides technical scheme:
[0026] A high -efficient integrated plastic inner flow grid of going in, including grid plate frame 1, the middle part of the inside of grid plate frame 1 is bolted with grid plate partition 2, and the both sides of grid plate partition 2 and the both sides of the inner wall of grid plate frame 1 are bolted with grid plate support frame 3, and the both sides of the inside of grid plate frame 1 are provided with filter grid assembly 4, and filter grid assembly 4 is at the top of adjacent two grid plate support frames 3, and the top of grid plate frame 1 is bolted with fixed component 5, and the bottom of fixed component 5 is in close contact with filter grid assembly 4,
[0027] The filter grid assembly 4 comprises a plastic frame 41, the inside of the plastic frame 41 is provided with a first plastic grid plate 42, a second plastic grid plate 43 and a third plastic grid plate 44, and the first plastic grid plate 42, the second plastic grid plate 43 and the third plastic grid plate 44 are arranged in a stacked manner in the inside of the plastic frame 41.
[0028] In the embodiment: by adopting the stacked arrangement of the multi-stage plastic grid plates of the filter grid assembly 4, a staged filtration system is formed, the first plastic grid plate 42 can intercept larger-sized impurities, the second plastic grid plate 43 intercepts medium-sized impurities, and the third plastic grid plate 44 can filter smaller-sized impurities, this multi-stage filtration mode improves the filtration effect on impurities of different particle sizes, ensures effective interception of impurities in sewage, at the same time, the plastic frame 41 provides a stable installation and support environment for the plastic grid plates of each stage, ensures the stable installation and reasonable spacing of the plastic grid plates of each stage, makes the whole filter grid assembly 4 structure firm, not easy to deform or displace under the impact of water flow, and through the cooperative work of the plastic grid plates with different hole diameters, improves the filtration efficiency, reduces the influence of impurities on the subsequent sewage treatment links, and improves the overall performance of the sewage treatment system.
[0029] Specifically, as shown in Figure 4 The fixing assembly 5 comprises two U-shaped pressing strips 51, the two U-shaped pressing strips 51 are bolted on the two sides of the top of the grid plate frame 1, and the bottom of the U-shaped pressing strip 51 is in close contact with the plastic frame 41.
[0030] Specifically, as shown in Figure 4 The top between the opposite sides of the two U-shaped pressing strips 51 is provided with a positioning pressing strip 52, the bottom of the positioning pressing strip 52 is in close contact with the U-shaped pressing strip 51 and the plastic frame 41 respectively, and the positioning pressing strip 52 is bolted with the grid plate partition 2.
[0031] Specifically, as shown in Figure 4 The front side and the rear side inside the positioning pressing strip 52 are penetrated by studs 53, the bottom of the stud 53 is welded with the grid plate frame 1, the surface of the stud 53 is threadedly connected with a fastening nut 54, and the bottom of the fastening nut 54 is in close contact with the positioning pressing strip 52.
[0032] In the embodiment: by setting the fixing assembly 5, the two U-shaped pressing strips 51 can provide stable top pressure for the filter grid assembly 4, so that the filter grid assembly 4 remains stable during work, and by sleeving the positioning pressing strip 52 between the two studs 53 and cooperating with the fastening nut 54 through the stud 53, the positioning pressing strip 52 can position the connection between the two U-shaped pressing strips 51, further improving the fixing effect of the U-shaped pressing strip 51 on the filter grid assembly 4.
[0033] Specifically, as shown in Figure 3As shown in the figure, the bottom of the plastic frame 41 is bolted with several positioning columns 6, and the bottom of the positioning column 6 extends to the inside of the grid support frame 3. Two grid transverse frames 7 are arranged between the top of several grid support frames 3, and the top of the grid transverse frame 7 is in contact with the plastic frame 41.
[0034] Specifically, as shown in the figure, Figure 3 , Figure 5 The top of the grid support frame 3 is provided with several positioning grooves 8 matched with the positioning columns 6, and the positioning column 6 is inside the positioning groove 8.
[0035] In this embodiment: through the positioning column 6 at the bottom of the plastic frame 41 extending to the inside of the grid support frame 3 and matched with the positioning groove 8, the position accuracy of the plastic frame 41 in the vertical direction is ensured, and the grid transverse frame 7 supports the plastic frame 41. This design makes the installation of the filter grid assembly 4 in the grid frame 1 more stable, and the grid transverse frame 7 further disperses the weight of the filter grid assembly 4, improves the carrying capacity of the structure, ensures the stability of the filter grid assembly 4 in long-term operation, and helps the stable progress of the filtering process.
[0036] Specifically, as shown in the figure, Figure 3 , Figure 5 The bottom of the four corners of the inner wall of the plastic frame 41 is provided with a support block 9, and the four corners of the inside of the three-stage plastic grid plate 44 are penetrated by a fastening bolt 10. The bottom of the fastening bolt 10 penetrates the inside of the secondary plastic grid plate 43 and the primary plastic grid plate 42 and is threadedly connected with the support block 9.
[0037] Specifically, as shown in the figure, Figure 3 , Figure 5 The four corners of the top and bottom of the secondary plastic grid plate 43 are provided with a spacing sleeve 11, and the side of the spacing sleeve 11 close to the primary plastic grid plate 42 and the secondary plastic grid plate 43 is respectively in contact with the two, and the spacing sleeve 11 is respectively sleeved on the top and bottom of the surface of the fastening bolt 10.
[0038] In the embodiment: by the setting of fastening bolt 10, the first plastic grid 42, the second plastic grid 43 and the third plastic grid 44 are connected together, and at the same time, through the threaded connection with the support block 9, the firm fixation of the plastic grid in the plastic frame 41 is realized, the connection mode guarantees the relative position stability between the plastic grids, makes the whole filter grid assembly 4 become a whole, prevents the dislocation or deformation of the plastic grid under the impact of water flow, guarantees the structural stability and the filtering effect of the filter grid assembly 4 when filtering sewage, and through the setting of the spacer tube 11, the uniform and stable spacing between the first plastic grid 42 and the second plastic grid 43 and between the second plastic grid 43 and the third plastic grid 44 is guaranteed, and the influence of the filtering effect or the wear between the plastic grids due to direct contact is avoided.
[0039] Working principle: when the inner flow grid is used, first, the first plastic grid 42 is placed on the top of the support block 9, and a spacer tube 11 is placed at the top of the four corners of the first plastic grid 42, then the second plastic grid 43 and the third plastic grid 44 are placed step by step, and then the fastening bolt 10 is used to thread the third plastic grid 44, the second plastic grid 43 and the first plastic grid 42 and the interiors of the two spacer tubes 11 in sequence and is screwed with the support block 9, so that the assembly of the filter grid assembly 4 can be completed, secondly, through the cooperation of the positioning column 6 and the positioning groove 8, the filter grid assembly 4 is placed on both sides of the grid frame 1, then the two U-shaped pressing strips 51 are fixed on the top of the grid frame 1 by using the bolt fixing structure, then the positioning pressing strip 52 is sleeved between the two screw columns 53, and through the cooperation of the screw column 53 and the fastening nut 54, the positioning pressing strip 52 can position the connection part of the two U-shaped pressing strips 51, further fix the position of the filter grid assembly 4, finally, the inner flow grid is installed on the inner flow grid machine for sewage filtering operation, the sewage passes through the first plastic grid 42, the grid can intercept the impurities with large size in the sewage, such as large sand particles and leaves, and block them on the surface of the grid, then the sewage after the first filtering continues to flow into the second plastic grid 43, the grid intercepts the impurities with medium size and further purifies the sewage, finally, the sewage passes through the third plastic grid 44, the third plastic grid 44 filters the impurities with small size, and the sewage after the third filtering is relatively pure and flows out of the inner flow grid and enters the subsequent sewage treatment link.
[0040] It should be noted that the connection mode or structure of the inner flow grid machine and the inner flow grid of the present application, and the specific structure, working principle and implementation mode involved in the inner flow grid machine are all prior art, and therefore are not described in detail in the present application.
[0041] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement, and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A high-efficiency integrated plastic inner flow grid, comprising a grid plate frame (1), characterized in that: The middle part of the grid plate frame (1) is bolted with a grid plate partition (2), both sides of the grid plate partition (2) and the inner wall of the grid plate frame (1) are bolted with a grid plate support frame (3), both sides of the inside of the grid plate frame (1) are provided with a filter grid assembly (4), and the filter grid assembly (4) is located at the top of the adjacent two grid plate support frames (3), the top of the grid plate frame (1) is bolted with a fixed assembly (5), and the bottom of the fixed assembly (5) is in close contact with the filter grid assembly (4). The filter grid assembly (4) comprises a plastic frame (41), the inside of the plastic frame (41) is provided with a first plastic grid plate (42), a second plastic grid plate (43) and a third plastic grid plate (44), and the first plastic grid plate (42), the second plastic grid plate (43) and the third plastic grid plate (44) are stacked in the inside of the plastic frame (41).
2. The high efficiency integrated plastic inner flow inlet grille according to claim 1, characterized in that: The fixed assembly (5) comprises two U-shaped pressing strips (51), the two U-shaped pressing strips (51) are bolted on both sides of the top of the grid plate frame (1), and the bottom of the U-shaped pressing strip (51) is in close contact with the plastic frame (41).
3. A high efficiency integrated plastic inner flow inlet grille according to claim 2, characterized in that: The top between the opposite sides of the two U-shaped pressing strips (51) is provided with a positioning pressing strip (52), and the bottom of the positioning pressing strip (52) is in close contact with the U-shaped pressing strip (51) and the plastic frame (41) respectively, and the positioning pressing strip (52) is bolted with the grid plate partition (2).
4. The high efficiency integrated plastic inner flow inlet grille according to claim 3, characterized in that: The front side and the rear side of the inside of the positioning pressing strip (52) are penetrated by studs (53), and the bottom of the stud (53) is welded with the grid plate frame (1), the surface of the stud (53) is threadedly connected with a fastening nut (54), and the bottom of the fastening nut (54) is in close contact with the positioning pressing strip (52).
5. The high efficiency integrated plastic inner flow inlet grille according to claim 1, wherein: The bottom of the plastic frame (41) is bolted with a plurality of positioning columns (6) on both sides, and the bottom of the positioning column (6) extends into the inside of the grid plate support frame (3), two grid plate cross frames (7) are arranged between the top of the plurality of grid plate support frames (3), and the top of the grid plate cross frame (7) is in contact with the plastic frame (41).
6. A high efficiency integrated plastic inner flow inlet grille according to claim 5, characterized in that: The top of the grid plate support frame (3) is provided with a plurality of positioning grooves (8) matched with the positioning columns (6), and the positioning column (6) is located in the inside of the positioning groove (8).
7. The high efficiency integrated plastic inner flow inlet grille according to claim 1, wherein: The four corners of the bottom of the inner wall of the plastic frame (41) are provided with supporting blocks (9), and the four corners of the inside of the third plastic grid plate (44) are penetrated by fastening bolts (10), the bottom of the fastening bolt (10) penetrates the inside of the second plastic grid plate (43) and the first plastic grid plate (42) and is threadedly connected with the supporting block (9).
8. A high efficiency integrated plastic inner flow inlet grille according to claim 7, characterized in that: The four corners of the top and the bottom of the second plastic grid plate (43) are provided with spacing sleeves (11), and the side close to the first plastic grid plate (42) and the third plastic grid plate (44) of the spacing sleeve (11) is respectively in contact with the two, the spacing sleeve (11) is respectively sleeved on the top and the bottom of the surface of the fastening bolt (10).