CN210766953U - Urban underground river dredging system - Google Patents
Urban underground river dredging system Download PDFInfo
- Publication number
- CN210766953U CN210766953U CN201921401796.6U CN201921401796U CN210766953U CN 210766953 U CN210766953 U CN 210766953U CN 201921401796 U CN201921401796 U CN 201921401796U CN 210766953 U CN210766953 U CN 210766953U
- Authority
- CN
- China
- Prior art keywords
- foundation
- underground river
- mud
- circulation unit
- pit
- 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.)
- Expired - Fee Related
Links
- 239000002002 slurry Substances 0.000 claims abstract description 35
- 238000010977 unit operation Methods 0.000 claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 230000018044 dehydration Effects 0.000 claims description 4
- 238000006297 dehydration reaction Methods 0.000 claims description 4
- 238000007711 solidification Methods 0.000 claims description 4
- 230000008023 solidification Effects 0.000 claims description 4
- 238000010790 dilution Methods 0.000 claims description 3
- 239000012895 dilution Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 26
- 238000000034 method Methods 0.000 abstract description 8
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 4
- 230000001954 sterilising effect Effects 0.000 abstract description 3
- 231100000331 toxic Toxicity 0.000 abstract description 3
- 230000002588 toxic effect Effects 0.000 abstract description 3
- 238000009423 ventilation Methods 0.000 abstract description 2
- 238000010030 laminating Methods 0.000 abstract 1
- 239000010802 sludge Substances 0.000 description 14
- 239000000243 solution Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 230000008520 organization Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005192 partition Methods 0.000 description 3
- 239000005708 Sodium hypochlorite Substances 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Landscapes
- Treatment Of Sludge (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The utility model discloses a city underground river desilting system, the desilting system includes the damming cofferdam, the operation basis that set up in underground river end department, the excavator of working on the operation basis, the dolly that is used for the transport rubbish, mud pit, slush pump and defeated mud pipeline, the operation basis includes initial operation basis and circulation unit operation basis, and initial operation basis is the rectangle, and the laminating of the left side long limit of rectangle sets up in damming cofferdam, and a set of minor face of rectangle sets up respectively on the river levee of underground river both sides; the circulation unit operation foundation is arranged on the right side of the initial operation foundation, a slurry pit is reserved in the circulation unit operation foundation, and the section of the slurry pit is rectangular. The underground river dredging construction can be completed in a limited space, the gas in the underground river space is monitored in the whole process of comprehensive disinfection, sterilization, ventilation and construction of the underground river, and the threat of toxic and harmful gas to the personal safety of operators is avoided.
Description
Technical Field
The utility model relates to a city underground river desilting field, especially city underground river desilting system.
Background
Along with the rapid expansion of cities, rivers in more urban old cities in China are covered by covered buildings or structures to form underground rivers. The river is used as a main channel for urban flood discharge and drainage, the sludge and the floating materials must be cleaned regularly to ensure the flood discharge capacity of the river, and once the river is seriously deposited and the flood discharge is blocked, the urban flood is caused, so that the personal and property safety of surrounding residents is endangered.
River channel dredging is one of the means of governing the river channel, and the main problem that city underground river desilting construction exists has: firstly, the operating space of the underground river construction operation is limited, and the conventional dredging method is difficult to effectively implement; secondly, the space is blocked and filled with a large amount of toxic and harmful gas and sludge mixed with a large amount of domestic garbage sundries; thirdly, the construction operation risk degree is high; fourth, there is no systematic set of methods available in the industry.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a city underground river desilting system, the technical problem that the operation space is little, operation dangerous degree is high, construction organization is difficult in the desilting construction of city underground river in the present stage will be solved.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a dredging system for urban underground rivers, which comprises a closure cofferdam arranged at the end of the underground river, an operation foundation, an excavator 3 working on the operation foundation, a trolley 6 for cleaning garbage, a mud pit 7, a mud pump 4 and a mud conveying pipeline 8,
the operation foundation comprises an initial operation foundation 1 and a circulation unit operation foundation 2, the initial operation foundation 1 is rectangular, the long side of the left side of the rectangle is attached to the closure cofferdam, and a group of short sides of the rectangle are respectively arranged on the river banks on the two sides of the underground river; the circulation unit operation foundation 2 is arranged on the right side of the initial operation foundation 1, a slurry pit 7 is reserved in the circulation unit operation foundation 2, the section of the slurry pit 7 is rectangular, the long side direction of the slurry pit 7 is the same as the flow direction of a river, and three edges of the slurry pit 7, which are far away from the initial operation foundation 1, are provided with steel gratings 9; the mud pump 4 is arranged in the mud pit 7, one end of a mud conveying pipeline 8 is connected with the mud pump 4, and the other end of the mud conveying pipeline 8 is communicated with a mud dehydration and solidification field.
Further, the initial work foundation 1 and the circulation unit work foundation 2 are both made of crushed stones.
Further, the length of the initial operation foundation 1 is adapted to the width of the underground river, and the width of the initial operation foundation 1 is at least 5 m.
Further, a gap is left between the circulation unit work foundation 2 and the rectangular long side of the mud pit 7.
Further, the device also comprises hydraulic dilution equipment which can be a high-pressure water gun.
Further, the length of the mud pit 7 is adapted to the width of the circulation unit work foundation 2.
Further, the width of the circulation unit operation base 2 is 2.5m to 3 m.
Further, there are at least two excavators 3; at least four trolleys 6 are used for cleaning the garbage.
The beneficial effects of the utility model are embodied in:
1, the utility model provides a city underground river desilting system can accomplish the underground river desilting dredging construction in finite space, carries out comprehensive disinfection, sterilization, ventilation, the work progress to the underground river and carries out whole journey monitoring to gas in the underground river space, has avoided poisonous and harmful gas to produce the threat to operation personnel personal safety.
2, the utility model provides a city underground river desilting system adopts the small-size machine of digging of manual fit and travelling bogie, the mode of water conservancy excavation to carry out the operation, and the construction organization is rapid, nimble orderly, has solved the problem that the underground river space is limited, large-scale machinery can't get into, the construction organization is difficult.
3, garbage sundries and river bottom sludge are separated by adopting a grid interception and manual dredging mode, so that the garbage and sludge are classified and treated step by step, and the treatment mode is more targeted and environment-friendly.
And 4, the river channel is divided into strip-shaped areas with the width of 2.5m along the length direction for partition construction, the strip-shaped areas are gradually pushed forward, and the cleared areas are filled with broken stones to serve as mechanical advancing operation foundations, so that the construction efficiency is improved, and the organization sequence is enhanced.
The utility model provides a worker's method, the cost is controllable, the time limit for a project is short, effectual, has better popularization nature.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The primary objects and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of step three S2 of the present invention.
Figure 2 is the schematic diagram of the rightward propulsion of the slurry pit in the third step of the present invention.
FIG. 3 is a schematic diagram of the second execution cycle unit operation basis.
FIG. 4 is a schematic diagram of the operation basis of the third execution cycle unit.
Reference numerals: 1-initial operation foundation, 2-circulation unit operation foundation, 3-excavator, 4-slurry pump, 5-non-desilting area, 6-trolley, 7-slurry pit, 8-mud conveying pipeline and 9-steel grating.
Detailed Description
The technical solutions of the present invention are described in detail below by way of examples, which are only exemplary and can be used only for explaining and explaining the technical solutions of the present invention, but not for explaining the limitations of the technical solutions of the present invention.
Examples
Mainly aims at the construction organization mode and the comprehensive construction process of the limited space of the urban underground river: firstly, comprehensively disinfecting, sterilizing, ventilating and detecting gas in the underground river to ensure the operation safety; then, garbage sundries and river bottom sludge are separated by manually matching small machinery and hydraulic flushing, so that the garbage and sludge are classified and treated step by step, and the treatment mode is more targeted and environment-friendly; in addition, the river channel is divided into a plurality of rectangular areas along the length direction for partition construction, the river channel is gradually pushed forward, and the areas which are subjected to dredging are filled with broken stones, so that the mechanical operation is facilitated, and the dredging construction of the underground river can be safely, orderly and efficiently completed.
Specifically, the method comprises the following steps: the utility model provides a city underground river desilting system, desilting system is including setting up at the cofferdam that dams, the operation basis of underground river end department, excavator 3, dolly 6, mud pit 7, slush pump 4 and the defeated mud pipeline 8 that is used for clearing away rubbish of working on the operation basis.
As shown in fig. 1, the operation foundation comprises an initial operation foundation 1 and a circulation unit operation foundation 2, the initial operation foundation 1 is rectangular, the long side of the left side of the rectangle is attached to the closure cofferdam, and a group of short sides of the rectangle are respectively arranged on the river banks at the two sides of the underground river; the circulation unit operation foundation 2 is arranged on the right side of the initial operation foundation 1, a slurry pit 7 is reserved in the circulation unit operation foundation 2, the section of the slurry pit 7 is rectangular, the long side direction of the slurry pit 7 is the same as the flow direction of a river, and three edges of the slurry pit 7, which are far away from the initial operation foundation 1, are provided with steel gratings 9; the mud pump 4 is arranged in the mud pit 7, one end of a mud conveying pipeline 8 is connected with the mud pump 4, and the other end of the mud conveying pipeline 8 is communicated with a mud dehydration and solidification field. A gap is left between the circulation unit work foundation 2 and the rectangular long side of the mud pit 7.
The section of the slurry pit 7 is rectangular, the long side direction of the slurry pit 7 is the same as the flow direction of a river, two circulating unit operation foundations 2 are symmetrically arranged on a group of long sides of the slurry pit 7, and steel gratings 9 are arranged on the edges of three sides, far away from the initial operation foundation 1, of the slurry pit 7. The length of the initial operation foundation 1 is adapted to the width of the underground river, and the width of the initial operation foundation 1 is at least 5 m. Hydraulic dilution devices, such as high pressure water guns, are also included.
The construction method for dredging the urban underground river dredging system comprises the following steps:
as shown in figure 1, in the first step, sodium hypochlorite solution is splashed to comprehensively disinfect and sterilize the urban underground river to be desilted; and 3, carrying out thin film chromatography on the obtained product, wherein the concentration of the sodium hypochlorite solution is 10%, and the volume of sprayed water for 1t of the solution is not more than 500 m. During construction, 12V low-voltage moisture-proof explosion-proof lamps are adopted for illumination, and are arranged at intervals of 20 meters.
Secondly, ventilating the disinfected underground river by using a fan, detecting the concentration of toxic and harmful gases in the river every 30 minutes, and starting the next construction after the detection result meets the relevant national safety regulations;
step three, dredging construction of the underground river:
s1, constructing a cofferdam at the end of the underground river for closure; the cofferdam may also be a waterproof curtain, a similar rubber dam or an earth dam.
s2, filling and paving a starting operation foundation 1 with the width of at least 5m and used for the entrance construction of the excavator 3 by using broken stones, cleaning a slurry pit 7 with the depth of not less than 40cm at the middle position of one side of the starting operation foundation 1 far away from the end of the underground river, and assisting in cleaning the slurry pit 7 by using the excavator 3;
to facilitate the hydroexcavation, the mud pit 7 is preferably located on the left side of the hydroexcavation area.
s3, processing the circulation unit operation basic 2 area; cleaning garbage sundries accumulated in an area with 3m width on the right side of the initial operation foundation 1 by manually matching with an excavator 3;
s4, converting the sludge in the rectangular area of the circulation unit operation foundation 2 into slurry through hydroexcavation and collecting the slurry to the slurry pit 7;
s5, arranging steel gratings 9 at the edge positions of three sides of the slurry pit 7 far away from the initial operation foundation 1, wherein the steel gratings 9 are used for intercepting garbage sundries in the sludge;
s6, manually cleaning and fishing the garbage and simultaneously matching with the small-sized transport trolley 6, and collecting and transferring the garbage sundries to a garbage disposal center;
s7, pumping the sludge in the sludge pit 7 to a sludge dewatering and solidifying field area through a sludge conveying pipeline 8 by a sludge pump 4 arranged in the sludge pit 7 for dewatering and solidifying treatment;
s8, filling the area of the circulation unit operation foundation 2 with broken stones;
as shown in fig. 2, s9, the mud pit 7, which is located in the foundation 1, is propelled to the right along the central axis of the river flow. The slurry pit 7 is arranged at the middle point of the right long side of the initial operation foundation 1, namely, the old slurry pit 7 in the area of the initial operation foundation 1 is filled with broken stones, meanwhile, a new slurry pit 7 is dug in the circulation unit operation foundation 2, and the slurry pit 7 is pushed towards the right side along the central axis of the flow direction of the underground river.
The mud pump 4 is arranged in the mud pit 7, one end of a mud conveying pipeline 8 is connected with the mud pump 4, and the other end of the mud conveying pipeline 8 is communicated with a mud dehydration and solidification field; a gap is left between the circulation unit work foundation 2 and the rectangular long side of the mud pit 7. The section of the slurry pit 7 is rectangular, the long side direction of the slurry pit 7 is the same as the flow direction of a river, two circulating unit operation foundations 2 are symmetrically arranged on a group of long sides of the slurry pit 7, and steel gratings 9 are arranged on the edges of three sides, far away from the initial operation foundation 1, of the slurry pit 7.
The length of the mud pit 7 is adapted to the width of the circulation unit foundation 2. The width of the operation base 2 of the circulation unit is 2.5m-3 m. The excavator 3 is driven from the start work base 1 to the circulation unit work base 2, and the garbage removing cart 6 is also driven to the circulation unit work base 2, and the construction work of the non-desilted area 5 is started.
See fig. 3 and 4. s10, repeating s3-s9 until the end of the river.
The excavator 3 is provided with at least two excavators; at least four trolleys 6 are used for cleaning the garbage. The number of the excavators 3, the number of the cleaning trolleys 6 and the number of the mud pits 7 can be flexibly adjusted according to the confluence width and the number of pollutants.
By the method, the air quality in the underground river space can be monitored in the whole construction process, and the safety of operators is guaranteed. Meanwhile, silt and garbage are separated by manually matching with the small excavator 3 and the steel grating 9 net for intercepting, classification treatment of different pollutants is realized, environment-friendly construction is guaranteed, and the problems that the space of a river is limited and large-scale mechanical equipment is inconvenient to enter are solved. In addition, the river channel is transversely divided into a plurality of rectangular circulating unit operation foundation 2 areas for partition construction, the river channel is gradually pushed forward, and the desilted areas are filled with broken stones, so that the mechanical operation is facilitated, and the construction efficiency is improved.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be considered by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention.
Claims (8)
1. Urban underground river desilting system, its characterized in that: the dredging system comprises an intercepting cofferdam arranged at the end of the underground river, an operation foundation, an excavator (3) working on the operation foundation, a trolley (6) for clearing and transporting garbage, a mud pit (7), a mud pump (4) and a mud conveying pipeline (8),
the operation foundation comprises an initial operation foundation (1) and a circulation unit operation foundation (2), the initial operation foundation (1) is rectangular, the long side of the left side of the rectangle is attached to the closure cofferdam, and a group of short sides of the rectangle are respectively arranged on the river banks on the two sides of the underground river; the circulation unit operation foundation (2) is arranged on the right side of the initial operation foundation (1), a slurry pit (7) is reserved in the circulation unit operation foundation (2), the section of the slurry pit (7) is rectangular, the long side direction of the slurry pit (7) is the same as the flow direction of a river, and three edges, far away from the initial operation foundation (1), of the slurry pit (7) are provided with steel gratings (9); the mud pump (4) is arranged in the mud pit (7), one end of the mud conveying pipeline (8) is connected with the mud pump (4), and the other end of the mud conveying pipeline (8) is communicated with the mud dehydration and solidification field.
2. An urban underground river dredging system according to claim 1, wherein the starting work foundation (1) and the circulation unit work foundation (2) are comprised of crushed stones.
3. Urban underground river dredging system according to claim 1, characterized in that the length of the mud pit (7) is adapted to the width of the circulation unit work foundation (2).
4. Urban underground river dredging system according to claim 1, characterized in that the length of the initial work foundation (1) is adapted to the width of the underground river, the width of the initial work foundation (1) being at least 5 m.
5. An urban underground river dredging system according to claim 1, characterized in that a gap is left between the circulation unit work foundation (2) and the rectangular long side of the mud pit (7).
6. The urban underground river dredging system according to claim 1, wherein the width of the circulation unit work foundation (2) is 2.5m-3 m.
7. The urban underground river dredging system according to claim 1, wherein there are at least two excavators (3); at least four trolleys (6) are used for cleaning the garbage.
8. The urban underground river dredging system of claim 1, further comprising a hydraulic dilution device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921401796.6U CN210766953U (en) | 2019-08-27 | 2019-08-27 | Urban underground river dredging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921401796.6U CN210766953U (en) | 2019-08-27 | 2019-08-27 | Urban underground river dredging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210766953U true CN210766953U (en) | 2020-06-16 |
Family
ID=71059870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921401796.6U Expired - Fee Related CN210766953U (en) | 2019-08-27 | 2019-08-27 | Urban underground river dredging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210766953U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110528612A (en) * | 2019-08-27 | 2019-12-03 | 中国建筑一局(集团)有限公司 | Urban underground river dredging system and construction method for dredging by using same |
-
2019
- 2019-08-27 CN CN201921401796.6U patent/CN210766953U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110528612A (en) * | 2019-08-27 | 2019-12-03 | 中国建筑一局(集团)有限公司 | Urban underground river dredging system and construction method for dredging by using same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104452656B (en) | A kind of river course segmentation Dredging Construction method | |
| CN106082536A (en) | The recycling system of a kind of sponge ground water and construction method thereof | |
| CN108824350A (en) | A kind of comprehensive processing method in river | |
| CN100551563C (en) | A kind of improvement method of heavy-metal contaminated soil | |
| CN103302088A (en) | Method for treating soil pollution in a hierarchically cyclic cleaning manner | |
| CN111997157A (en) | Black-eliminating and deodorizing construction method for hidden culverts in urban dense areas | |
| RU2338832C1 (en) | Method of purification and restoration of biological ponds of purification plants | |
| SG175873A1 (en) | Method for forming reclaimed land within seawall and construction equipment thereof | |
| CN210766953U (en) | Urban underground river dredging system | |
| CN110528612A (en) | Urban underground river dredging system and construction method for dredging by using same | |
| CN104652387A (en) | Water oil recovery emergency disposal method | |
| CN212900365U (en) | Pipeline flow guide structure for pipeline repair | |
| CN212168514U (en) | Harmless treatment and resource recovery device for heavy metal polluted land | |
| CN211753093U (en) | A purifier is retrieved to groundwater for foundation ditch precipitation | |
| CN212772549U (en) | Water conservancy construction is with submarine silt cleaning device | |
| CN109467143B (en) | Shallow groundwater extraction and restoration treatment system and method | |
| CN211714076U (en) | River channel desilting sediment regeneration system | |
| CN211646491U (en) | Base seepage-proofing structure for restoring ecological environment of mine | |
| CN113323060A (en) | Floating dock type dredging platform and dredging method for narrow space | |
| RU2336206C1 (en) | Method of underground waters protection against contamination | |
| CN111733890A (en) | Polluted underground water blocking treatment method | |
| JP2002256541A (en) | Sludge treating method and device therefor | |
| CN111827198A (en) | Construction method for central control water replacement and filling in tidal lake water environment ecological restoration | |
| CN112090953A (en) | Treatment device and method for removing peculiar smell of peculiar smell soil | |
| CN106065654B (en) | A kind of association system of agricultural non-point source pollution reduction and treated waste water for irrigation in agriculture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |