CN216457451U

CN216457451U - River channel dredging polluted soil storage and disposal structure

Info

Publication number: CN216457451U
Application number: CN202123335877.0U
Authority: CN
Inventors: 姜安龙; 袁蕴伟
Original assignee: Xiamen Road And Bridge Engineering Design Institute Co ltd
Current assignee: Xiamen Road And Bridge Engineering Design Institute Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-05-10
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses a river course desilting pollutes soil storage and deals with structure, including the foundation ditch, the cement mortar brick outer wall has been built to the foundation ditch inslot, the reinforced concrete bottom plate has been pour in the cement mortar brick outer wall, rubble filtration has been placed in the reinforced concrete bottom plate, the reinforced concrete inner wall has been built to the upper end of reinforced concrete bottom plate, the symmetry is provided with a plurality of geotechnological cloth baffle in the reinforced concrete inner wall, it stores up the pit structure to excavate on the foundation ditch, cement mortar brick outer wall is built in the storage pit structure of excavating on the foundation ditch. A river course desilting pollutes soil storage and deals with structure belongs to water conservancy, municipal works silt and handles technical field, through setting up this structure, can carry out sunning, dehydration and solidification to silt to avoid silt to transport outward and pile up the problem that the in-process caused the secondary pollution of environment, make silt can carry out innocent treatment, finally make silt can carry out recycle.

Description

Structure is saved and deals with to river course desilting contaminated soil

Technical Field

The utility model relates to a water conservancy, municipal works silt processing technology field, in particular to river course desilting pollutes soil storage and deals with structure.

Background

River channel desilting generally refers to the treatment of river channels, and belongs to hydraulic engineering. River channel siltation increasingly affects the normal performance of various functions such as flood control, waterlogging drainage, irrigation, water supply, navigation and the like, and river channel dredging engineering is carried out for recovering the normal functions of the river channel and promoting the rapid and continuous development of the economy and society. The river course becomes deep and wide through treatment, the river water becomes clear, the production conditions and the living environment of the masses are obviously improved, and the aims of 'clear water, smooth river, green bank and beautiful landscape' are achieved. The old city environment-friendly project is more and more changed by the national policy and the city development requirement. Abandoned sludge produced by dredging of rivers and lakes in old cities is dug and transported by using a water excavator or a cutter suction dredger, a large amount of mud-water mixture is produced, secondary pollution caused by leakage in the transportation process can be avoided by using a sealed vehicle during transportation, heavy metal and organic pollutants are possibly contained in the desilting bottom sludge, and the problem of secondary disposal is still faced after the desilting bottom sludge is transported to a abandoned sludge point, so that a structure for storing and disposing the desilting polluted soil in the river is needed.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a river course desilting pollutes soil storage and deals with structure, through setting up this structure, can carry out sunning, dehydration and solidification to silt to avoid silt to cause the secondary pollution's of environment problem at outward transport and pile-filling in-process, make silt can carry out innocent treatment, finally make silt can carry out recycle.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a structure for storing and disposing polluted soil in a riverway dredging manner comprises a foundation trench, wherein a cement mortar brick outer wall is built in the foundation trench, a reinforced concrete bottom plate is built in the cement mortar brick outer wall, a broken stone filtering structure is placed in the reinforced concrete bottom plate, a reinforced concrete inner wall is built at the upper end of the reinforced concrete bottom plate, and a plurality of geotechnical cloth baffles are symmetrically arranged in the reinforced concrete inner wall.

Preferably, a mud storage pit structure is dug on the foundation trench, the cement mortar brick outer wall is built in the mud storage pit structure dug on the foundation trench, an HDPE (high-density polyethylene) impermeable geomembrane is laid on the inner side of the cement mortar brick outer wall in the mud storage pit structure, a medium coarse sand cushion layer is laid on the HDPE impermeable geomembrane, the HDPE impermeable geomembrane is upwards bent and is wrapped to the junction of the cement mortar brick outer wall and the top surface of the medium coarse sand cushion layer, and a tail water drainage ditch structure is arranged at the upper end of the medium coarse sand cushion layer.

Preferably, the reinforced concrete bottom plate sets up the upper end in the middlings grit bed course, the reinforced concrete bottom plate is located the inboard of tail water escape canal structure, the rubble french drain structure has been seted up to the upper end of reinforced concrete bottom plate, the rubble french drain structure is "well" font structure, the rubble french drain structure meets with tail water escape canal structure.

Preferably, rubble filtration places in the rubble french drain structure that reinforced concrete bottom plate upper end was seted up, rubble filtration contains rubble piece and geotechnological cloth, geotechnological cloth parcel in the outside of rubble piece.

Preferably, the reinforced concrete inner wall is symmetrically provided with a plurality of leakage openings.

Preferably, a plurality of geotechnique's cloth baffle is located the a plurality of seepage opening part that sets up on the reinforced concrete interior wall respectively, geotechnological cloth baffle and the inner wall overlap joint of reinforced concrete interior wall, geotechnological cloth baffle contains reinforcing bar net piece structure and No. two geotechnological cloth, No. two geotechnological cloth parcel is in reinforcing bar net piece structure's the outside.

Compared with the prior art, the utility model discloses following beneficial effect has:

through setting up this structure, can carry out sunning, dehydration and solidification to silt to avoid silt to cause the secondary pollution of environment at outward transport and pile and fill the in-process, make silt can carry out innocent treatment, finally make silt can carry out recycle.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the position relationship among the reinforced concrete bottom plate, the gravel filtering structure, the HDPE impermeable geomembrane, the medium coarse sand cushion layer and the tail water drainage ditch structure of the present invention;

fig. 3 is a schematic structural view of the crushed stone filtering structure of the present invention;

fig. 4 is a schematic structural view of the geotextile baffle of the present invention.

In the figure: 1. the outer wall is bricked by cement mortar; 2. a reinforced concrete bottom plate; 3. a crushed stone filtering structure; 4. reinforced concrete inner walls; 5. a geotextile baffle; 6. HDPE impermeable geomembranes; 7. a medium coarse sand cushion layer; 8. a tail water drainage ditch structure; 9. a macadam blind ditch structure; 10. breaking stone blocks; 11. a first geotextile; 12. a reinforcing mesh structure; 13. a second geotextile; 14. a mud storage pit structure; 15. a base groove; 16. the leakage opening.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1, 2, 3 and 4, the structure for storing and disposing the dredging polluted soil in the river comprises a foundation trench 15, a cement mortar brick outer wall 1 is built in the foundation trench 15, a reinforced concrete bottom plate 2 is built in the cement mortar brick outer wall 1, a gravel filtering structure 3 is placed in the reinforced concrete bottom plate 2, a reinforced concrete inner wall 4 is built at the upper end of the reinforced concrete bottom plate 2, and a plurality of geotextile baffles 5 are symmetrically arranged in the reinforced concrete inner wall 4.

In this embodiment, a mud storage pit structure 14 is dug on the foundation trench 15, the cement mortar brick outer wall 1 is built in the mud storage pit structure 14 dug on the foundation trench 15, the HDPE impermeable geomembrane 6 is laid on the inner side of the cement mortar brick outer wall 1 in the mud storage pit structure 14, the HDPE impermeable geomembrane 6 is laid with the medium coarse sand cushion layer 7, the HDPE impermeable geomembrane 6 is bent upwards and is wrapped to the junction of the cement mortar brick outer wall 1 and the top surface of the medium coarse sand cushion layer 7, and the upper end of the medium coarse sand cushion layer 7 is provided with the tail water drainage ditch structure 8.

In this embodiment, reinforced concrete bottom plate 2 is disposed at the upper end of middle coarse sand cushion 7, reinforced concrete bottom plate 2 is located inside tail water drainage ditch structure 8, and rubble blind ditch structure 9 has been seted up to the upper end of reinforced concrete bottom plate 2, and rubble blind ditch structure 9 is "well" font structure, and rubble blind ditch structure 9 meets with tail water drainage ditch structure 8.

In this embodiment, rubble filtration 3 places in the rubble french drain structure 9 of seting up in reinforced concrete bottom plate 2 upper end, and rubble filtration 3 contains rubble piece 10 and geotechnological cloth 11, and geotechnological cloth 11 parcel is in the outside of rubble piece 10.

In this embodiment, the reinforced concrete inner wall 4 is symmetrically provided with a plurality of leakage openings 16.

In this embodiment, a plurality of geotechnique's cloth baffle 5 is located the 16 departments of a plurality of seepage that sets up on reinforced concrete interior wall 4 respectively, and geotechnological cloth baffle 5 and reinforced concrete interior wall 4's inner wall overlap joint, geotechnological cloth baffle 5 contain reinforcing bar net piece structure 12 and No. two geotechnological cloth 13, and No. two geotechnological cloth 13 parcels are in reinforcing bar net piece structure 12's the outside.

It should be noted that, the utility model relates to a river course desilting pollutes soil and stores and deals with structure, when using, at first put into the upper end of reinforced concrete bottom plate 2 with the silt that needs to handle, tail water in the silt can pass rubble filtration structure 3 and permeate in rubble blind ditch structure 9 at this moment, tail water can flow into tail water escape canal structure 8 through rubble blind ditch structure 9 subsequently, tail water in the silt also can pass geotechnological cloth baffle 5 and flow into in tail water escape canal structure 8 simultaneously, then, tail water that flows into in tail water escape canal structure 8 can flow into outside water collecting device, tail water that the water pump will flow into in the water collecting device at this moment is pumped to the tail water sedimentation tank, tail water through the sediment can discharge into sewage pipe network at last; after the silt that discharges through the tail water dries, can mix lime in it, stir it next, thereby make the silt solidification, make wherein free heavy metal passivation, can be used for the backfill of afforestation landmass with the soil after handling at last, through setting up this structure, can handle silt, thereby avoid handling the problem that the in-process caused the secondary pollution of environment at silt, make silt can carry out innocent treatment, finally make silt can carry out recycle.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a river course desilting pollutes soil storage and handles structure, includes foundation trench (15), its characterized in that: the concrete foundation is characterized in that a cement mortar brick outer wall (1) is built in the foundation trench (15), a reinforced concrete bottom plate (2) is built in the cement mortar brick outer wall (1), a broken stone filtering structure (3) is placed in the reinforced concrete bottom plate (2), a reinforced concrete inner wall (4) is built at the upper end of the reinforced concrete bottom plate (2), and a plurality of geotextile baffles (5) are symmetrically arranged in the reinforced concrete inner wall (4).

2. The structure of claim 1, wherein the structure for storing and disposing of the polluted soil generated by dredging the river channel is characterized in that: excavate on foundation trench (15) and have storage mud pit structure (14), cement mortar brick outer wall (1) is built in the storage mud pit structure (14) of excavating on foundation trench (15), store up in mud pit structure (14) and be located the inboard of cement mortar brick outer wall (1) and laid HDPE prevention of seepage geomembrane (6), HDPE prevention of seepage geomembrane (6) upper berth is equipped with well coarse sand bed course (7), HDPE prevention of seepage geomembrane (6) are upwards buckled outsourcing to cement mortar brick outer wall (1) and well coarse sand bed course (7) top surface juncture, the upper end of well coarse sand bed course (7) is provided with tail water drainage ditch structure (8).

3. The structure of claim 2, wherein the structure for storing and disposing the polluted soil generated by dredging the river channel is characterized in that: reinforced concrete bottom plate (2) set up the upper end in middling coarse sand bed course (7), reinforced concrete bottom plate (2) are located the inboard of tail water escape canal structure (8), rubble french drain structure (9) have been seted up to the upper end of reinforced concrete bottom plate (2), rubble french drain structure (9) are "well" font structure, rubble french drain structure (9) meet with tail water escape canal structure (8).

4. The structure of claim 3, wherein the structure is used for storing and disposing the river dredging polluted soil, and is characterized in that: rubble filtration (3) are placed in rubble french drain structure (9) seted up on reinforced concrete bottom plate (2), rubble filtration (3) contain rubble piece (10) and geotechnological cloth (11), geotechnological cloth (11) parcel is in the outside of rubble piece (10).

5. The structure of claim 4, wherein the structure for storing and disposing the polluted soil generated by dredging the river channel is characterized in that: the reinforced concrete inner wall (4) is symmetrically provided with a plurality of leakage openings (16).

6. The structure of claim 5, wherein the structure for storing and disposing of the polluted soil generated by dredging the river channel is characterized in that: a plurality of geotechnique's cloth baffle (5) are located a plurality of seepage opening (16) department that sets up on reinforced concrete interior wall (4) respectively, geotechnological cloth baffle (5) and the inner wall overlap joint of reinforced concrete interior wall (4), geotechnological cloth baffle (5) contain reinforcing bar net piece structure (12) and No. two geotechnological cloth (13), No. two geotechnological cloth (13) parcel are in the outside of reinforcing bar net piece structure (12).