CN220387051U - Silt screening box - Google Patents
Silt screening box Download PDFInfo
- Publication number
- CN220387051U CN220387051U CN202321887540.7U CN202321887540U CN220387051U CN 220387051 U CN220387051 U CN 220387051U CN 202321887540 U CN202321887540 U CN 202321887540U CN 220387051 U CN220387051 U CN 220387051U
- Authority
- CN
- China
- Prior art keywords
- screening box
- box body
- silt
- shaped grating
- primary strip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000012216 screening Methods 0.000 title claims abstract description 67
- 239000010802 sludge Substances 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 238000011010 flushing procedure Methods 0.000 claims description 8
- 241000282326 Felis catus Species 0.000 claims description 7
- 238000003466 welding Methods 0.000 claims description 5
- 230000009193 crawling Effects 0.000 claims 1
- 241000196324 Embryophyta Species 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The utility model discloses a silt screening box in the technical field of river and lake dredging, which comprises a screening box body, wherein the top surface of the screening box body is respectively provided with a safe operation platform, a primary strip-shaped grating and a secondary mesh-shaped grating, the safe operation platform, the primary strip-shaped grating and the secondary mesh-shaped grating are sequentially arranged from top to bottom according to the height of the top surface, the side surface of the safe operation platform is connected with the side surface of the secondary mesh-shaped grating through a baffle plate, the primary strip-shaped grating is slidably arranged above the secondary mesh-shaped grating, and the side edges of the baffle plate and the inner wall of the screening box body are respectively provided with a chute which is convenient for the side edges of the primary strip-shaped grating to slide.
Description
Technical Field
The utility model relates to the technical field of river and lake dredging, in particular to a silt screening box.
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 lifts, so that a secondary booster pump is often required for pressurized conveying.
However, due to the fact that the underwater dredging operation is more in invisible factors, a large amount of stones with larger diameters, construction waste, plant roots, long-strip soft objects and the like are contained in the sludge, when the sludge which is sucked out is subjected to secondary pressurization through a pipeline, the blockage phenomenon of a pressurizing pump can be caused by impurities in the sludge, so that dredging efficiency is affected.
Disclosure of Invention
The utility model aims to provide a sludge screening box for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the silt screening box comprises a screening box body, wherein the top surface of the screening box body is respectively provided with a safe operation platform, a primary strip-shaped grating and a secondary mesh-shaped grating, and the safe operation platform, the primary strip-shaped grating and the secondary mesh-shaped grating are sequentially arranged from top to bottom according to the height of the top surface;
the side face of the safety operation platform is connected with the side face of the secondary mesh grille through a baffle, the primary strip grille is slidably arranged above the secondary mesh grille, and sliding grooves which are convenient for the primary strip grille to slide are formed in the side edges of the baffle and the inner wall of the screening box body;
one side of the screening box body is provided with a silt conveying pipeline extending to the top of the primary strip-shaped grating, and the bottom of the front surface of the screening box body is communicated with a water outlet secondary pressurizing pipe.
Preferably: the front welding of screening box has safe cat ladder.
Preferably: the outer ring department welding at screening box top has the block, the block is located and leaves the opening directly over the safe cat ladder.
Preferably: the back of screening box is located the below of second grade netted grid and has offered the flood spillway mouth, flood spillway mouth intercommunication has the flood spillway pipe that is located the screening box outside.
Preferably: the high-pressure flushing assembly is arranged on the back of the screening box body and extends into the screening box body, and the water flow direction of a water spray opening of the high-pressure flushing assembly positioned in the screening box body is aligned with the secondary pressurizing pipe of the water outlet.
Preferably: and a fixing plate for supporting the sludge conveying pipeline in an auxiliary way is arranged at the outer ring of the top of the screening box body.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The filter effect is good, sundries, plant residues and the like in the sludge can be effectively filtered, the phenomenon of pump blockage can be avoided, and the dredging efficiency is improved.
(2) Simple structure, mature manufacturing process and easy installation and maintenance.
(3) The cleaning is convenient, and the labor cost of dredging operation is reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a rear elevational view of the overall structure of the present utility model;
FIG. 3 is a side cross-sectional view of the overall structure of the present utility model;
fig. 4 is a front cross-sectional view of the overall structure of the present utility model.
In the figure: 1. screening the box body; 2. a secure operating platform; 3. a primary strip grid; 4. a secondary mesh grid; 5. a chute; 6. a baffle; 7. a sludge conveying pipeline; 8. a water outlet secondary pressurizing pipe; 9. a safety ladder; 10. a blocking net; 11. a flood discharge port; 12. overflow Hong Guan; 13. a high pressure flushing assembly; 14. and a fixing plate.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, in an embodiment of the present utility model, a sludge screening box includes a screening box body 1, a safety operation platform 2, a primary strip-shaped grating 3 and a secondary mesh-shaped grating 4 are respectively disposed on a top surface of the screening box body 1, the safety operation platform 2, the primary strip-shaped grating 3 and the secondary mesh-shaped grating 4 are sequentially disposed from top to bottom according to a height of the top surface, a side surface of the safety operation platform 2 is connected with a side surface of the secondary mesh-shaped grating 4 through a baffle 6, the primary strip-shaped grating 3 is slidably mounted above the secondary mesh-shaped grating 4, sliding grooves 5 facilitating sliding of the side edges of the primary strip-shaped grating 3 are formed on side edges of the baffle 6 and inner walls of the screening box body 1, a sludge conveying pipeline 7 extending to a top of the primary strip-shaped grating 3 is mounted on one side of the screening box body 1, a fixing plate 14 for supporting the sludge conveying pipeline 7 is mounted at an outer ring of the top of the screening box body 1, and a water outlet secondary pressurizing pipe 8 is communicated with a bottom of a front surface of the screening box body 1.
In the dredging process, the sludge is transported to the top of the screening box body 1 through the sludge transporting pipeline 7 after being dredged by the cutter suction dredger, the primary strip-shaped grille 3 screens large granular stones, construction waste and rhizomes, then the sludge is scattered to the top of the secondary mesh grille 4, the secondary mesh grille 4 can filter smaller sundries, flexible substances and the like, the primary strip-shaped grille 3 is slidably mounted at the top of the secondary mesh grille 4, the top of the secondary mesh grille 4 can be conveniently cleaned by workers, the screened garbage is cleaned and bagged by the workers, the sludge enters the screening box body 1 after being screened, and the sludge is transported to the secondary pressurizing pump through the water outlet for secondary pressurization.
In the dredging process, as the sludge contains a large number of plant bases, tree technology weights, strip-shaped soft plants and the like, when the pressurizing pump is adopted for secondary pressurization, the phenomenon of pump blockage occurs easily, and sundries, plant residues and the like in the sludge can be effectively filtered out by adopting the screening box, so that the phenomenon of pump blockage is avoided, and the dredging efficiency is improved.
The front welding of screening box 1 has safe cat ladder 9, and operating personnel reachs safe operation platform 2 through safe cat ladder 9, and the outer lane department welding at screening box 1 top has block 10, guarantees operating personnel safety, and block 10 is located and leaves the opening directly over the safe cat ladder 9.
The back of screening box 1 is located the below of second grade netted grid 4 and has offered flood discharge port 11, and flood discharge port 11 intercommunication has and is located the outside flood discharge pipe 12 of screening box 1, and for preventing silt delivery port secondary pressurization pipe 8 flow is less than silt transfer line 7 flow, can lead to screening box 1 silt excessive phenomenon to cause environmental pollution, this has violated environmental protection desilting theory, consequently sets up flood discharge port 11 at the box, when screening box 1 silt is full, gets into flood discharge pipe 12 through flood discharge port 11, discharges to the reservoir.
The high-pressure flushing component 13 extending to the inside of the screening box body 1 is arranged on the back of the screening box body 1, the water flow direction of a water jet opening in the screening box body 1 is aligned with the water outlet secondary pressurizing pipe 8, and the high-pressure flushing component 13 is arranged on the opposite side of the screening box body, so that the high-pressure flushing is carried out on the port of the water outlet secondary pressurizing pipe 8, and the blocking of water outlet silt can be prevented.
The design size of the screening box can be 6x2x2.3m, and the screening box is mainly composed of the following size or material components:
sludge conveying pipeline 7: a phi 225PPC high polymer molecular delivery conduit was used.
Screening box 1: the device adopts a cuboid structure with the size of 6x2x2.3 m.
Primary bar grating 3: the size 3x 1 was made using a 2 cm-spaced bar grating.
A secondary mesh grid 4: wire mesh with 3x3cm diamond holes was used to make 3x 2m size.
Safety protection barrier 10: the upper side of the box body is provided with the periphery, so that the safety of operators is ensured.
Personnel safety operation platform 2: the height of the sieve is slightly higher than that of the sieve, the manufacturing size is 3x 2m, and sundries on the sieve can be conveniently cleaned.
Safety cat ladder 9: one side of the box body is provided, so that a worker can conveniently reach the operation surface.
Water outlet secondary pressurizing pipe 8: the screening box is arranged at the lower side of the screening box and connected to the secondary booster pump.
Flood discharge pipe 12: the height of the sludge in the box body exceeds 1.8m, and a flood discharge pipe 12 is arranged to discharge the sludge into a storage area for preventing the sludge from overflowing.
Flood discharge port 11: the box body is connected with the pipe orifice of the flood overflow pipe.
High pressure flushing assembly 13: the high-pressure water is utilized to flush the water outlet at the bottom, so that the sediment accumulation at the water outlet is prevented, the water outlet is blocked, and the muddy water of the tank body cannot be discharged.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides a silt screening case, includes screening box (1), its characterized in that: the top surface of the screening box body (1) is respectively provided with a safe operation platform (2), a primary strip-shaped grating (3) and a secondary mesh grating (4), and the safe operation platform (2), the primary strip-shaped grating (3) and the secondary mesh grating (4) are sequentially arranged from top to bottom according to the height of the top surface;
the side face of the safe operation platform (2) is connected with the side face of the secondary mesh grid (4) through a baffle plate (6), the primary strip grid (3) is slidably arranged above the secondary mesh grid (4), and sliding grooves (5) which are convenient for the side edges of the primary strip grid (3) to slide are formed in the side edges of the baffle plate (6) and the inner wall of the screening box body (1);
one side of the screening box body (1) is provided with a sludge conveying pipeline (7) extending to the top of the primary strip-shaped grating (3), and the front bottom of the screening box body (1) is communicated with a water outlet secondary pressurizing pipe (8).
2. A silt screening box according to claim 1, characterized in that: the front face of the screening box body (1) is welded with a safety crawling ladder (9).
3. A silt screening box according to claim 2, characterized in that: the outer ring of screening box (1) top department welding has block (10), block (10) are located and leave the opening directly over safe cat ladder (9).
4. A silt screening box according to claim 1, characterized in that: the back of screening box (1) is located the below of second grade netted grid (4) and has offered flood spillway mouth (11), flood spillway mouth (11) intercommunication has and is located the outside overflow Hong Guan (12) of screening box (1).
5. A silt screening box according to claim 1, characterized in that: the high-pressure flushing assembly (13) extending to the inside of the screening box body (1) is arranged on the back of the screening box body (1), and the water flow direction of a water jet opening in the screening box body (1) is aligned with the water outlet secondary pressurizing pipe (8).
6. A silt screening box according to claim 1, characterized in that: a fixing plate (14) for supporting the sludge conveying pipeline (7) in an auxiliary mode is arranged at the outer ring of the top of the screening box body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321887540.7U CN220387051U (en) | 2023-07-18 | 2023-07-18 | Silt screening box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321887540.7U CN220387051U (en) | 2023-07-18 | 2023-07-18 | Silt screening box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220387051U true CN220387051U (en) | 2024-01-26 |
Family
ID=89599326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321887540.7U Active CN220387051U (en) | 2023-07-18 | 2023-07-18 | Silt screening box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220387051U (en) |
-
2023
- 2023-07-18 CN CN202321887540.7U patent/CN220387051U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |