CN221017176U - Desilting impurity screening system - Google Patents
Desilting impurity screening system Download PDFInfo
- Publication number
- CN221017176U CN221017176U CN202322688490.6U CN202322688490U CN221017176U CN 221017176 U CN221017176 U CN 221017176U CN 202322688490 U CN202322688490 U CN 202322688490U CN 221017176 U CN221017176 U CN 221017176U
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- Prior art keywords
- screening plate
- dredging
- screening
- stage
- box body
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- 238000012216 screening Methods 0.000 title claims abstract description 136
- 239000012535 impurity Substances 0.000 title claims abstract description 18
- 239000010802 sludge Substances 0.000 claims abstract description 22
- 239000010813 municipal solid waste Substances 0.000 claims description 10
- 230000004308 accommodation Effects 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 10
- 239000002699 waste material Substances 0.000 abstract description 8
- 239000004575 stone Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 241000196324 Embryophyta Species 0.000 description 10
- 238000010586 diagram Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a dredging impurity screening system, and relates to the technical field of dredging of reservoirs, rivers and lakes. The screening system includes: the top of the box body is provided with an opening; the two driving devices are respectively connected to two opposite sides of the top of the box body; the first-stage screening plate and the second-stage screening plate are respectively connected with the two driving devices and are positioned at the opening of the box body; the first-stage screening plate is located directly over the second-stage screening plate, and the aperture of the first-stage screening plate is greater than the aperture of the second-stage screening plate. The primary screening plate can effectively filter the stones, construction waste, plant rootstocks and other sundries with larger diameters in the sludge in the dredging process, the secondary screening plate can effectively filter the plant residues and other sundries with smaller diameters in the sludge, and the secondary screening plate and the primary screening plate can filter and then convey the sundries under pressure, so that various sundries in the sludge can be effectively filtered, dredging efficiency is improved, the problem of blockage of a booster pump is solved, and construction efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of dredging of reservoirs, rivers and lakes, in particular to a dredging impurity screening system.
Background
In the dredging process of the reservoir river and lake, a cutter suction dredger is usually adopted for dredging, but the cutter suction dredger cannot be conveyed into a sludge storage yard at one time due to overlong pipelines or higher lift, so that a secondary booster pump is often needed for pressurization. However, due to the underwater dredging operation, the sludge contains a large amount of stones with larger diameters, construction waste, plant roots and stems, long-strip soft objects and the like, and when the sludge is secondarily pressurized through a pipeline, the blockage phenomenon of the pressurizing pump is caused, so that the dredging efficiency is affected.
Accordingly, prior art screens of waste from sludge by a screen, for example, patent application number 202320454714.4, entitled dredging screen, discloses: the bottom plate is fixedly installed on the left side and the right side of the bottom of the workbench, the fixing frames are fixedly installed on four corners of the top of the workbench, the fixing sieve plates are arranged above the workbench and between the four fixing frames, and the fixing sieve plates screen impurities in the sludge.
However, in the dredging process, a large amount of stones, construction waste, plant roots and stems and the like with larger diameters, and also small-diameter sundries, plant residues and the like exist, and various sundries in the sludge cannot be separated through one layer of fixed sieve plate in the patent, so that the blockage phenomenon of the booster pump can be caused, and the dredging efficiency is affected.
Disclosure of utility model
In order to solve the problems in the prior art, the utility model provides a dredging impurity screening system. The screening system includes:
The top of the box body is provided with an opening;
The two driving devices are respectively connected to two opposite sides of the top of the box body;
The first-stage screening plate and the second-stage screening plate are respectively connected with the two driving devices and are positioned at the opening of the box body;
The primary screening plate is positioned right above the secondary screening plate, and the aperture of the primary screening plate is larger than that of the secondary screening plate;
The two driving devices are respectively used for driving the primary screening plate and the secondary screening plate to overturn.
Further, the first-stage screening plate is a strip-shaped grid, and the second-stage screening plate is a grid.
Further, the spacing of the strip-shaped grids of the primary screening plate is 3-4 cm, and the aperture of the grid of the secondary screening plate is (2-3) x (2-3) cm.
Further, the bottom of the box body is communicated with a sludge water outlet pipe.
Further, the upper part of the box body is communicated with a flood overflow pipeline.
Further, the driving device includes:
the motor is connected to the top of the side wall of the box body;
The rotating shaft is connected with the output end of the motor;
The side wall of the first-stage screening plate or the second-stage screening plate is connected with the rotating shaft.
Further, the screening system further comprises:
two garbage accommodation boxes are respectively arranged on two opposite sides of the box body.
The technical scheme provided by the utility model has the beneficial effects that: firstly, the first-stage screening plate and the second-stage screening plate are arranged at the top of the box body, the first-stage screening plate is positioned right above the second-stage screening plate, the aperture of the first-stage screening plate is larger than that of the second-stage screening plate, and in the dredging process, the first-stage screening plate can effectively filter sundries such as stones, construction wastes and plant rhizomes with larger diameters in sludge, the second-stage screening plate can effectively filter sundries such as smaller diameters in sludge, plant residues and the like, and the sundries in sludge can be effectively filtered through the first-stage screening plate and the second-stage screening plate and then are conveyed in a pressurizing mode, so that various sundries in sludge can be effectively filtered, dredging efficiency is improved, the problem of blockage of a pressurizing pump is solved, and construction efficiency is improved.
In the utility model, the two driving devices are arranged at the top of the box body, so that the primary screening plate and the secondary screening plate can be driven to overturn, sundries trapped on the primary screening plate and the secondary screening plate are cleaned to the outer side of the box body, and the labor intensity of workers is reduced.
Furthermore, the upper portion intercommunication of one of them lateral wall of box has the flood spillway pipeline, when the interior silt silting of box is full, discharges into the reservoir through the flood spillway pipeline to can prevent that silt outlet pipe flow from being less than silt transfer pipeline's flow and leading to the interior silt excessive phenomenon of box, cause environmental pollution.
In addition, set up the rubbish and hold the case in the both sides of box, when drive arrangement drove one-level screening board and second grade screening board upset, clear up the debris on one-level screening board and the second grade screening board to the rubbish of both sides hold the incasement, do not need the staff to clean, reduced staff intensity of labour.
Drawings
FIG. 1 is a schematic diagram of a dredging impurity screening system provided by the utility model;
FIG. 2 is a schematic diagram of a dredging impurity screening system according to the present utility model;
Fig. 3 is a schematic structural diagram of a dredging impurity screening system provided by the utility model.
Reference numerals: 1-a box body; 2-a first-stage screening plate; 3-a secondary screening plate; 4-a sludge water outlet pipe; 5-flood spillway pipes; 6-a motor; 7-rotating shaft; 8-a garbage accommodation box; 9-a sludge conveying pipeline; 10-first notch, 11-second notch.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the embodiments of the present utility model will be described in further detail with reference to the accompanying drawings.
It should be noted that, in this embodiment, unless explicitly specified and limited otherwise, the terms "disposed", "connected" and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-2, a dredging impurity screening system, comprising: the box 1, the length, the width and the height of box 1 can be according to the silt volume reasonable design in the river course of desilting as required, for example, the length of box 1 can be 4m, and the height can be 3m, and the width can be 2m, and 1 bottom intercommunication of box has silt outlet pipe 4, and 1 top of box is provided with the opening, and 1 top of two opposite lateral walls of box is provided with drive arrangement respectively, is connected with one-level screening board 2 and second grade screening board 3 on two drive arrangement respectively, and drive arrangement can drive one-level screening board 2 and second grade screening board 3 and rotate, and one-level screening board 2 is located the top of second grade screening board 3, and the aperture of one-level screening board 2 is greater than the aperture of second grade screening board 3.
It should be noted that, when screening impurity, drive arrangement rotates first order screening board 2 and second grade screening board 3 to box 1 opening part, when dredging, place box 1 between dredging hank and inhale ship and force (forcing) pump, dredging hank is inhaled the silt in the river course, carry in box 1 through silt transfer line 9, the one end of silt transfer line 9 is placed directly over box 1, the big granule tuber stone in the silt of upper strata, construction waste and rhizome are filtered, the lower floor's second grade screening board 3 filters debris and plant residue etc. that the diameter is less in the silt, wherein, interval between first order screening board 2 and the second grade screening board 3 can be 20 ~ 50cm, silt after the screening gets into in box 1, silt outlet pipe 4 is connected with the second force (forcing) pump, carry silt after filtering to the silt storage yard through the pressurization of second force (forcing) pump.
To sum up, through carrying out the pressurization after the filtering of the first order screening board 2 and the second grade screening board 3 in this embodiment again and carrying, can filter the debris and the plant residue that the diameter is less such as the great building stones of diameter, construction waste, plant rhizome in the silt effectively, improve desilting efficiency, solve force (forcing) pump jam problem to improve efficiency of construction.
In addition, after the filtration is accomplished, the debris is held back on the first-level screening board 2 and the second-level screening board 3, can remove silt pipeline 9, then drive the first-level screening board 2 of upper strata earlier through drive arrangement and carry out 180 upset, the debris that will hold back at the first-level screening board 2 is cleared up to one side outside box 1, then drive the second-level screening board 3 of lower floor through drive arrangement and carry out 180 upset, the debris that will hold back at the second-level screening board 3 is cleared up to the opposite side outside box 1, make things convenient for the clearance of debris on first-level screening board 2 and the second-level screening board 3, do not need the staff to climb up box 1 top clearance in person, staff intensity of labour has been reduced.
Further, the primary screening plate 2 is a strip-shaped grid, and the secondary screening plate 3 is a grid.
The first-stage screening plate 2 consists of a first rectangular frame body and a plurality of first fixing rods welded in the first rectangular frame body, the overall size of the first-stage screening plate 2 is matched with the inner size of the top of the box body 1, the distance between the first fixing rods of the first-stage screening plate is 3-4 cm, and sundries such as stones, construction wastes, plant rhizomes and the like with larger diameters can be effectively filtered; the second-stage screening plate 3 can be formed by a second rectangular frame body and second fixing rods which are welded in the second rectangular frame body in a staggered manner, the overall size of the second-stage screening plate 3 is adapted to the inner size of the top of the box body 1, the aperture of a hole formed between the second fixing rods can be (2-3) x (2-3) cm, and sundries, plant residues and the like with smaller diameters can be effectively filtered.
Further, the upper portion of one of the side walls of the tank 1 is communicated with the flood discharge pipeline 5, so that the overflow phenomenon of the sludge in the tank 1 can be caused to occur in order to prevent the flow of the sludge outlet pipe from being smaller than the flow of the sludge conveying pipeline 9, and the environmental pollution is caused, therefore, the flood discharge pipeline 5 is arranged in the tank 1, and when the tank 1 is full of the sludge silting, the sludge is discharged into a reservoir through the flood discharge pipeline 9.
Further, the driving device includes: the motor 6 and the axis of rotation 7, motor 6 connects at box 1 lateral wall top, and axis of rotation 7 and motor 6's output fixed connection, and the lateral wall and the axis of rotation 7 of one-level screening board 2 and second grade screening board 3 are connected.
It should be noted that, the first notch 10 and the second notch 11 are respectively started at the top of two opposite side walls of the box body 1, the second notch 11 is deeper than the first notch 10, the motors 6 of the two driving devices are fixed at one ends of the first notch 10 and the second notch 11, the other end of the rotating shaft 7 at the output end of the motor 6 is rotationally connected with the side wall of the box body 1, and the driving device in the second notch 11 is lower than the driving device in the first notch 10; the lateral wall of the first rectangular frame body of the first-stage screening plate 2 is fixedly connected with the rotating shaft 7 of the driving device in the first notch 10, and the lateral wall of the second rectangular frame body of the second-stage screening plate 3 is fixedly connected with the rotating shaft 7 of the driving device in the second notch 11, so that the rotating shaft can be driven to rotate through the motor 6 to drive the first-stage screening plate 2 and the second-stage screening plate 3 to overturn, sundries on the first-stage screening plate 2 and the second-stage screening plate 3 are cleaned, and the labor intensity of workers is reduced. The motor 6 may be a gear motor, and the specific model may be determined according to the actual situation, so that the gear motor may drive the primary screening plate 2 and the secondary screening plate 3 and the sundries thereon to rotate.
Further, referring to fig. 3, the screening system further includes: two refuse receptacle boxes 8 are respectively placed on opposite sides of the box body 1.
It should be noted that, in order to better collect the clearance debris on the first-stage screening board 2 and the second-stage screening board 3, can place two mobilizable rubbish and hold case 8 in the both sides of box 1, the size that rubbish held case 8 and first-stage screening board 2 and second-stage screening board 3 size suits, in the in-process that first-stage screening board 2 and second-stage screening board 3 overturned, debris above can slide to the rubbish that both sides holds case 8 in, does not need the staff to clean, has reduced staff intensity of labour.
In addition, in order to prevent in the in-process of upset, debris on the first grade screening board 2 and the second grade screening board 3 slip to first breach 10 and second breach 11 on, set up the bottom downward sloping of first breach 10 and second breach 11 to the direction of rubbish holding box 8 for in the rubbish holding box 8 of both sides can be automatic to the slip debris, do not need the staff to clean box 1 top, reduce staff intensity of labour. The cleaning of the primary screening plate 2 and the secondary screening plate 3 can be carried out by high-pressure flushing equipment, and the high-pressure water is utilized to carry out high-pressure flushing cleaning on the primary screening plate 2 and the secondary screening plate 3.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. A dredging impurity screening system, characterized in that the screening system comprises:
The top of the box body (1) is provided with an opening;
The two driving devices are respectively connected to two opposite sides of the top of the box body (1);
The first-stage screening plate (2) and the second-stage screening plate (3) are respectively connected with the two driving devices, and the first-stage screening plate (2) and the second-stage screening plate (3) are positioned at the opening of the box body (1);
The primary screening plate (2) is positioned right above the secondary screening plate (3), and the aperture of the primary screening plate (2) is larger than that of the secondary screening plate (3);
The two driving devices are respectively used for driving the primary screening plate (2) and the secondary screening plate (3) to overturn.
2. A dredging impurity screening system according to claim 1, wherein the primary screening plate (2) is a strip grid and the secondary screening plate (3) is a grid.
3. A dredging impurity screening system according to claim 2, wherein the strip-shaped grids of the primary screening plate (2) are spaced 3-4 cm apart, and the mesh grids of the secondary screening plate (3) have a pore size of (2-3) x (2-3) cm.
4. A dredging impurity screening system according to claim 1, characterized in that the bottom of the tank (1) is connected with a sludge outlet pipe (4).
5. A dredging impurity screening system according to claim 1, wherein the upper part of the tank (1) is connected with a spill Hong Guandao.
6. A dredging impurity screening system according to claim 1, wherein said drive means comprises:
The motor (6) is connected to the top of the side wall of the box body (1);
the rotating shaft (7) is connected with the output end of the motor (6);
The side wall of the primary screening plate (2) or the secondary screening plate (3) is connected with the rotating shaft (7).
7. A dredging impurity screening system according to claim 1, wherein the screening system further comprises:
Two garbage accommodation boxes (8) are respectively arranged on two opposite sides of the box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322688490.6U CN221017176U (en) | 2023-10-08 | 2023-10-08 | Desilting impurity screening system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322688490.6U CN221017176U (en) | 2023-10-08 | 2023-10-08 | Desilting impurity screening system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221017176U true CN221017176U (en) | 2024-05-28 |
Family
ID=91188179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322688490.6U Active CN221017176U (en) | 2023-10-08 | 2023-10-08 | Desilting impurity screening system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221017176U (en) |
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2023
- 2023-10-08 CN CN202322688490.6U patent/CN221017176U/en active Active
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