CN102936908B - Environment-friendly dredging method - Google Patents
Environment-friendly dredging method Download PDFInfo
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- CN102936908B CN102936908B CN201110233152.2A CN201110233152A CN102936908B CN 102936908 B CN102936908 B CN 102936908B CN 201110233152 A CN201110233152 A CN 201110233152A CN 102936908 B CN102936908 B CN 102936908B
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- dredging device
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Abstract
The invention relates to an environment-friendly dredging method, which is provided with an environment-friendly dredging device with two dredging and mud conveying systems and is characterized in that the environment-friendly dredging device opens a dredging hopper chamber, descends to a position 1-3 meters above the surface of bottom mud at a speed of 1-2 meters per second, and switches the descending speed from 1-2 meters per second to 0.1-0.4 meters per second; after the environment-friendly dredging device is placed to the dredging depth, the environment-friendly dredging device excavates and closes the excavating bucket chamber at the speed of 0.01-0.06 m/s; after the excavation is finished, the lifting speed is 0.1-0.4 m/s during the period of lifting the environment-friendly dredging device to be within 3 m from the mud surface; during the displacement of the environment-friendly dredging device, the environment-friendly dredging device moves to another dredging point at a displacement speed of 0.8-1 m/s, and meanwhile, an extrusion oil cylinder drives an extrusion plate at an extrusion speed of 0.01-0.05 m/s; after the extrusion process is finished, the dredged materials are conveyed outwards through the one-way sludge conveying device, the extrusion plates in the environment-friendly dredging device are reset, and then the next dredging cycle is executed.
Description
Technical field
The present invention relates to a kind of dredging method.
Background technology
The dredging method generally adopting in the environmental dredging engineering of lake, river at present has the strand suction type dredging of cutter suntion dredger, the open dredging of chain bucket ship and Grab etc., these dredging methods are in actual Dredging Process, as violent in the strand suction dredger ubiquity Dredging Process disturbance of cutter suntion dredger, make to dredge object violent stirring in the process of dredging, especially in the process of dredging poisonous and harmful polluted bed mud, pollute secondary and discharge risk increase.Meanwhile, the dredging mud concentration of aspirating up due to strand suction dredger is low, has caused dredging residual water treating capacity large.Chain bucket ship and Grab in Dredging Process because mining process is all the time in without closed state, the process that dredging thing is excavated up from lakebed, dredging thing can leak from open chain bucket or open grab bucket, cause pollutant secondary to discharge, be not therefore suitable for the dredging operation to poisonous and harmful dredging thing.
Summary of the invention
The object of this invention is to provide and a kind ofly high concentration can be dredged to the method that thing carries out environmental dredging.
Technical scheme of the present invention is equipped with to be had two symmetries and independently excavates and the environmental dredging device of defeated mud system, each of described environmental dredging device independently excavated with defeated mud system by excavating small room, stripper plate and unidirectional defeated mud installation composition, two symmetrical excavations between small room are used small room baffle for separating, environmental dredging device is driven by hydraulic power supply, hydraulic system is comprised of hydraulic cylinder, fuel tank and hydraulic system components and parts, and hydraulic cylinder is the closed extrusion oil cylinder that excavates the closed oil cylinder of small room and drive stripper plate; While it is characterized in that dredging operation starts, this environmental dredging device is opened and is excavated small room and drop to after on bed mud mud face 1～3 meter with 1～2 meter per second speed along suspension bracket, and lowering velocity switches to 0.1～0.4 meter per second by 1～2 meter per second; When environmental dredging device is transferred to predetermined dredging depth, environmental dredging device excavates with 0.01～0.06 meter per second speed and the closed small room that excavates; When environmental dredging device completes after excavation, suspension bracket promote environmental protection dredger to apart from 3 meters, mud face with during interior, the speed of lifting is 0.1～0.4 meter per second; During environmental dredging device is displaced to opposite side tap point, mobile to another dredging point with 0.8～1 meter per second shifting speed, extrusion oil cylinder drives stripper plate simultaneously, and extrusion speed is 0.01～0.05 meter per second; Complete after extrusion process, dredging thing is by the outside defeated mud of unidirectional defeated mud device, and in environmental dredging device, stripper plate playbacks, and environmental dredging device is slowly opened excavation small room again, slowly environmental dredging device is transferred to the dredging depth to appointment again, carry out next dredging circulation.
The present invention is by controlling the speed of environmental dredging device mining process, realization is to the low disturbance dredging of original state dredging thing, having broken through strand, to inhale the dredging mud concentration that dredger aspirates up low, caused the large difficult problem of dredging residual water treating capacity, realizing high concentration sealing excavation and high concentration original state carries, significantly improve dredging mud concentration, and avoided a large amount of dredging residual waters to process and the release of pollutant secondary.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of environmental dredging device.
Fig. 2 is the partial schematic sectional view that environmental dredging device closes bucket.
Fig. 3 is the schematic diagram that environmental dredging device is opened bucket.
Fig. 4 is the schematic diagram of environmental dredging device extruding.
Fig. 5 is the schematic diagram digging under Dredging Process environmental dredging device.
Fig. 6 is the schematic diagram that Dredging Process environmental dredging device excavates.
Fig. 7 is that Dredging Process environmental dredging device works the schematic diagram that struggles against and push.
Fig. 8 is the schematic diagram of Dredging Process environmental dredging device displacement.
Fig. 9 is the schematic diagram that Dredging Process environmental dredging device is opened bucket.
Figure 10 is the schematic diagram that Dredging Process environmental dredging device digs down again.
Figure 11 is the schematic diagram of environmental dredging system.
The specific embodiment
The present invention is equipped with to be had two symmetries and independently to excavate and the environmental dredging device 12 (Figure 11) of defeated mud system.Each of described environmental dredging device independently excavated with defeated mud system and formed by excavating small room 6 (Fig. 1), stripper plate 8 (Fig. 2) and unidirectional defeated mud device 4 (Fig. 1), two symmetrical excavations between small room are separated with small room dividing plate 9 (Fig. 2), excavate small room and be connected with apparatus main body 7 (Fig. 1) by bearing pin 10 (Fig. 1), stripper plate is connected with excavation small room by bearing pin 11 (Fig. 1); Environmental dredging device is driven by hydraulic system 1 (Fig. 1), hydraulic system is comprised of hydraulic cylinder, fuel tank and hydraulic system components and parts, hydraulic cylinder is to excavate the closed oil cylinder 3 (Fig. 1) of small room and the extrusion oil cylinder 2 (Fig. 1) of driving stripper plate for closure, and extrusion oil cylinder and closed oil cylinder are connected with apparatus main body and stripper plate by bearing pin.When dredging operation starts, dredger 13 (Figure 11) navigates by water to tap point, and guide pile 16 (Figure 11) inserts bed mud fixed hull, environmental dredging device is out bucket action (Fig. 3), at this moment, the cylinder rod of extrusion oil cylinder collapses to minimum, and the cylinder rod of closed oil cylinder collapses to minimum; Unidirectional defeated mud device is closed condition.Suspension bracket 15 (Figure 11) is transferred environmental dredging device with 1～2 meter per second speed, drop to after on bed mud mud face 1～3 meter, by control system 14 (Figure 11), switch lowering velocity to 0.1～0.4 meter per second, slowly transfer environmental dredging device to specifying dredging depth.When environmental dredging device is transferred to predetermined dredging depth, environmental dredging device excavates with 0.01～0.06 meter per second speed and the closed small room that excavates.The cylinder rod that closing bucket action (Fig. 2) and be extrusion oil cylinder collapses to minimum, and the cylinder rod of closed oil cylinder extend out to maximum; Unidirectional defeated mud device is closed condition.In mining process, suspension bracket hoist cable up-down adjustment, guarantees that excavation surface is level, when environmental dredging device completes after excavation, at suspension bracket, environmental dredging device is promoted to apart from 3 meters, mud face with during interior, and the speed of lifting is 0.1～0.4 meter per second; During environmental dredging device is displaced to opposite side tap point, mobile to another dredging point with 0.8～1 meter per second shifting speed, hydraulic system drives stripper plate, extrusion speed 0.01～0.05 meter per second simultaneously.Extruding action (Fig. 7) is that extrusion oil cylinder cylinder rod slowly extend out to maximum, and closed oil cylinder cylinder rod keeps extending out to maximum; Unidirectional defeated mud device is opening.Dredging thing is pushed and is entered unidirectional defeated mud device by stripper plate, then enters continuous conveying device by mud conveying pipeline 5 (Fig. 1).In the process of extruding, the rapid traverse of environmental dredging device puts in place, completes after extrusion process, stripper plate playback in environmental dredging device, environmental dredging device is slowly opened excavation small room, slowly environmental dredging device is transferred to the dredging depth to appointment, carries out next dredging circulation.
Claims (1)
1. an environmental dredging method, the environmental dredging device being equipped with has two symmetries and independently excavates and defeated mud system, each of described environmental dredging device independently excavated with defeated mud system by excavating small room, stripper plate and unidirectional defeated mud installation composition, two symmetrical excavations between small room are used small room baffle for separating, environmental dredging device is driven by hydraulic power supply, hydraulic system is comprised of hydraulic cylinder, fuel tank and hydraulic system components and parts, and hydraulic cylinder is the closed extrusion oil cylinder that excavates the closed oil cylinder of small room and drive stripper plate; While it is characterized in that dredging operation starts, this environmental dredging device is opened and is excavated small room and drop to after on bed mud mud face 1～3 meter with 1～2 meter per second speed along suspension bracket, and lowering velocity switches to 0.1～0.4 meter per second by 1～2 meter per second; When environmental dredging device is transferred to predetermined dredging depth, environmental dredging device excavates with 0.01～0.06 meter per second speed and the closed small room that excavates; When environmental dredging device completes after excavation, suspension bracket promote environmental protection dredger to apart from 3 meters, mud face with during interior, the speed of lifting is 0.1～0.4 meter per second; During environmental dredging device is displaced to opposite side tap point, mobile to another dredging point with 0.8～1 meter per second shifting speed, extrusion oil cylinder drives stripper plate simultaneously, and extrusion speed is 0.01～0.05 meter per second; Complete after extrusion process, dredging thing is by the outside defeated mud of unidirectional defeated mud device, and in environmental dredging device, stripper plate playbacks, then carries out next dredging circulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110233152.2A CN102936908B (en) | 2011-08-15 | 2011-08-15 | Environment-friendly dredging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110233152.2A CN102936908B (en) | 2011-08-15 | 2011-08-15 | Environment-friendly dredging method |
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| Publication Number | Publication Date |
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| CN102936908A CN102936908A (en) | 2013-02-20 |
| CN102936908B true CN102936908B (en) | 2014-10-01 |
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| CN201110233152.2A Active CN102936908B (en) | 2011-08-15 | 2011-08-15 | Environment-friendly dredging method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP3985177A4 (en) * | 2019-06-12 | 2023-06-21 | Kojimagumi Co., Ltd. | Dredger |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4265036A (en) * | 1979-03-23 | 1981-05-05 | Staats William J | Bucket dredging and conveying system |
| CN2316249Y (en) * | 1997-11-24 | 1999-04-28 | 象山设备安装公司 | Bucket submersible mud pump dredge boat |
| CN201082964Y (en) * | 2008-02-15 | 2008-07-09 | 上海远舟港湾建设有限公司 | Self-navigating type harrow-twisting dredger |
| CN201148631Y (en) * | 2008-01-09 | 2008-11-12 | 长江重庆航道工程局 | Clamshell type hydraulic claw bucket for underwater dredge |
| CN102031798A (en) * | 2010-12-15 | 2011-04-27 | 上海交通大学 | Dredging extrusion grab bucket |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI122359B (en) * | 2000-10-12 | 2011-12-30 | Minna Katriina Aarnio | Procedure for lake restoration, procedure for treatment of sediment mass and use of double spiral press for treatment of dredging waste |
-
2011
- 2011-08-15 CN CN201110233152.2A patent/CN102936908B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4265036A (en) * | 1979-03-23 | 1981-05-05 | Staats William J | Bucket dredging and conveying system |
| CN2316249Y (en) * | 1997-11-24 | 1999-04-28 | 象山设备安装公司 | Bucket submersible mud pump dredge boat |
| CN201148631Y (en) * | 2008-01-09 | 2008-11-12 | 长江重庆航道工程局 | Clamshell type hydraulic claw bucket for underwater dredge |
| CN201082964Y (en) * | 2008-02-15 | 2008-07-09 | 上海远舟港湾建设有限公司 | Self-navigating type harrow-twisting dredger |
| CN102031798A (en) * | 2010-12-15 | 2011-04-27 | 上海交通大学 | Dredging extrusion grab bucket |
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| CN102936908A (en) | 2013-02-20 |
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Effective date of registration: 20211216 Address after: 200135 No. 850 Pudong Avenue, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: SHANGHAI WATERWAY ENGINEERING DESIGN AND CONSULTING Co.,Ltd. Patentee after: CCCC dredging technology and equipment National Engineering Research Center Co., Ltd Address before: 200120 No. 850, Pudong Avenue, Pudong New Area, Shanghai Patentee before: SHANGHAI WATERWAY ENGINEERING DESIGN AND CONSULTING Co.,Ltd. |
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Effective date of registration: 20220509 Address after: 200120 No. 850, Pudong Avenue, Pudong New Area, Shanghai Patentee after: SHANGHAI WATERWAY ENGINEERING DESIGN AND CONSULTING Co.,Ltd. Address before: 200135 No. 850 Pudong Avenue, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee before: SHANGHAI WATERWAY ENGINEERING DESIGN AND CONSULTING Co.,Ltd. Patentee before: CCCC dredging technology and equipment National Engineering Research Center Co., Ltd |
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