CN110952609B - Sediment pool dredging method and device - Google Patents
Sediment pool dredging method and device Download PDFInfo
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- CN110952609B CN110952609B CN201911270709.2A CN201911270709A CN110952609B CN 110952609 B CN110952609 B CN 110952609B CN 201911270709 A CN201911270709 A CN 201911270709A CN 110952609 B CN110952609 B CN 110952609B
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- grab bucket
- dredging
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- sedimentation
- dredging grab
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
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- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
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Abstract
In order to solve the problem that the surface layer floating mud is stirred and then returns to the water body again and the recovery time of the water body is prolonged caused by grab type dredging in the prior art, the invention provides a dredging method and a dredging device of a sedimentation water tank, wherein a dredging grab bucket is arranged right above the sedimentation water tank through a travelling crane; then, the dredging grab bucket is placed on the dredging surface of the sedimentation water tank; then, stir the water in the desilting grab bucket outside through a plurality of agitating unit that the desilting grab bucket outside set up, make the water in the desilting grab bucket outside form a plurality of vortexes along with agitating unit, when starting desilting grab bucket and snatching the silt in the sedimentation tank, the muddy water that will rise can't extend to guarantee quality of water. Stir the water in the desilting grab bucket outside through a plurality of agitating unit, make the water in the desilting grab bucket outside form a plurality of vortexes along with agitating unit, when starting the desilting grab bucket and snatch the silt in the sedimentation tank, the muddy water that will rise can't extend to guarantee quality of water, make the water resume rapidly after the desilting.
Description
Technical Field
The invention relates to the field of dredging, in particular to a dredging method and a dredging device for a sedimentation tank.
Background
The ditch is an important component of an ecological water system, and the ditch treatment is an important task of water conservancy construction. In recent years, a large amount of ditch management work is developed in China, and by utilizing various ditch management projects such as deep digging, widening and dredging, the functions of draining stagnant water, storing water and the like of ditches are effectively recovered, and the surrounding environment is further improved. In the past, ditch dredging only attaches importance to ditch flood control, waterlogging resistance and irrigation capacity improvement, but the ecological environment of the ditch is still greatly influenced under the background of high-intensity construction and development activities. The development and the observation of the traditional water conservancy project must be changed, and the development and the observation of the traditional water conservancy project gradually turn to the development target of the ecological water conservancy. In other words, in most trench dredging projects, there are a number of problems with endogenous contamination of the trench. In order to improve the water quality of the ditch, the selection of a ditch dredging technology must be paid attention to achieve a good dredging effect.
The existing dredging mode, such as grab bucket dredging, extends into the bottom of the pool through a grab bucket, utilizes oil pressure to drive the grab bucket to insert bottom mud and close the grab bucket to grab underwater mud, then lifts and opens the grab bucket, directly unloads the mud onto a transport vehicle beside a road, and performs excavation and mud unloading circulation operation. The cleared sludge is transported to a sludge yard by a transport vehicle. The grab bucket type dredging is flexible and mobile, is not influenced by obstacles such as garbage, stones and the like in a ditch, is suitable for excavating harder earthwork or earthwork with more impurity garbage in the center, but has poor sensitivity to extremely soft bottom mud, easily causes surface layer floating mud to return to the water body again after being stirred, and prolongs the recovery time of the water body.
Disclosure of Invention
The invention provides a sediment pool dredging method and a dredging device, aiming at solving the problems that in the prior art, surface floating mud is stirred and then returns to a water body again, and the water body recovery time is prolonged.
The technical scheme adopted by the invention for solving the technical problems is as follows: a desilting method for a sedimentation water tank is characterized in that a desilting grab bucket is arranged right above the sedimentation water tank through a travelling crane; then, the dredging grab bucket is placed on the dredging surface of the sedimentation water tank; then, stir the water in the desilting grab bucket outside through a plurality of agitating unit that the desilting grab bucket outside set up, make the water in the desilting grab bucket outside form a plurality of vortexes along with agitating unit, when starting desilting grab bucket and snatching the silt in the sedimentation tank, the muddy water that will rise can't extend to guarantee quality of water.
The utility model provides an use sediment pond desilting method's desilting device as above which characterized in that: the device comprises rails arranged on two sides of a sedimentation water channel and extending along the sedimentation water channel, a travelling crane arranged on the rails, a motor vehicle arranged on one side of the sedimentation water channel and used for transporting sludge, a dredging grab bucket used for grabbing the sludge and a stirring device; wherein, the stirring device comprises an extension arm, a motor and a stirring blade; one end of the extension arm is connected to an upper bearing beam of the dredging grab bucket, and the other end of the extension arm is provided with a motor; the output end of the motor is connected with the stirring blade; wherein, the length of the stirring blade from the water surface is less than that of the dredging grab bucket.
The beneficial effects brought by the invention are as follows: the invention has the following advantages:
1. the device is simple, convenient to operate, safe and fast. The control of the travelling crane and the dredging grab bucket has two control modes of an operation room and wireless remote control, and is convenient and safe to operate.
2. The silt coal cleaning loading transportation is convenient, the operation in the control room can be carried out in continuous rainy and snowy weather, the silt is removed at any time, the loading is carried out at any time, and the silt removing efficiency is high.
3. The system can clean silt coal, can position and clean all around, and does not leave dead angles.
4. Stir the water in the desilting grab bucket outside through a plurality of agitating unit, make the water in the desilting grab bucket outside form a plurality of vortexes along with agitating unit, when starting the desilting grab bucket and snatch the silt in the sedimentation tank, the muddy water that will rise can't extend to guarantee quality of water, make the water resume rapidly after the desilting.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a dredging apparatus not equipped with an agitating apparatus.
Fig. 2 is a schematic view of a dredging grab equipped with a stirring device.
Fig. 3 is a top view of fig. 2.
It is to be understood that: fig. 2 is an agitating device added on the basis of fig. 1, and the structure of other parts is unchanged.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1, the dredging device comprises rails 1 arranged on two sides of a sedimentation channel and extending along the sedimentation channel, a travelling crane 2 arranged on the rails 1, a motor vehicle 3 arranged on one side of the sedimentation channel and used for transporting sludge, and a dredging grab bucket 4 used for grabbing the sludge.
When the device is used, the travelling crane 2 is controlled by the control room to adjust the position of the dredging grab bucket 4, then dredging operation is carried out, and finally sludge is transported away by the motor vehicle 3. In the process of adjustment through the travelling crane 2, the dredging grab bucket 4 can be adjusted to any position leftwards or rightwards according to requirements.
It is to be understood that: the dredging grab 4 described herein is of a construction corresponding to a hydraulically driven coal grab.
However, in the practical process, the surface layer floating mud is stirred during dredging, the mud water returns to the water body again, and the water body needs to be recovered within 2-3 days.
In order to solve the problems, as shown in fig. 2 to 3, the sediment pool dredging device comprises rails 1 arranged at two sides of a sediment channel and extending along the sediment channel, traveling cranes 2 arranged on the rails 1, a motor vehicle 3 arranged at one side of the sediment channel and used for transporting sludge, a dredging grab bucket 4 used for grabbing sludge and a stirring device 5; wherein the stirring device 5 comprises an extension arm 501, a motor 502 and a stirring blade 503; one end of the extension arm 501 is connected to an upper bearing beam 4A of the dredging grab bucket 4, and the other end is provided with a motor 502; wherein the stirring blade 503 has an L-shape; the end of the horizontal section of the stirring blade 503 is connected with the output end of the motor 502 through a key groove structure; and the vertical length of the stirring blade 503 is smaller than the length of the dredging grab 4.
It is preferable that the agitating blade 503 does not interfere with the dredging grab 4 during rotation. Meanwhile, the stirring blades 503 are driven by a motor with the rotating speed of 3600-4800 r/min.
The specific operation process is as follows: s1, paving tracks on two banks of the sedimentation ditch;
s2, arranging a floor runway type travelling crane on the track in the step S1, and assembling a dredging grab bucket and a stirring device;
s3, arranging a motor way on one side of the sedimentation tank for transporting the sludge;
s4, adjusting the dredging grab bucket and the stirring device to the position to be desilted by using the travelling crane;
s5, lowering the dredging grab bucket and the stirring device into a sedimentation water tank;
s6, starting a stirring device, forming a plurality of vortexes around the dredging grab bucket by the water body in the sedimentation water tank, and forming a shield to prevent muddy water from diffusing;
s7, closing the dredging grab bucket and grabbing the sludge 10-20 minutes after the stirring device is started;
s8, transporting the sludge in the dredging grab bucket to a motor vehicle through a travelling crane;
and S9, adjusting the dredging grab bucket and the stirring device to the next position to be cleaned through the travelling crane.
It is to be understood that: the stirring device can be continuously opened or can be opened for a period of time only before the dredging grab bucket is closed.
The conception of the invention is as follows: arranging a dredging grab bucket right above the sedimentation water tank through a travelling crane; then, the dredging grab bucket is placed on the dredging surface of the sedimentation water tank; then, stir the water in the desilting grab bucket outside through a plurality of agitating unit that the desilting grab bucket outside set up, make the water in the desilting grab bucket outside form a plurality of vortexes along with agitating unit, a plurality of vortexes form a similar rotatory enclosure space, make muddy water unable outdiffusion, when starting desilting grab bucket and snatching the silt in the sedimentation tank, can't extend muddy water that will rise to guarantee quality of water.
Wherein, agitating unit 5 equipartition in the desilting grab bucket 4 outside, the quantity is 4 or 6 or sets for according to actual conditions.
In particular practice, the invention also has the following advantages:
1) the invention relates to a hoisting device for installation operation of a sedimentation water channel spanning about 15m in width, which is a hoisting device for installation construction of a first large-span spanning water channel and accumulates certain experience for the following construction of the same type.
2) The method has the advantages that the method is used up to now after the acceptance in 2018 and 10 months, the silty coal cleaning work is normal, the operation and the control are convenient, and operators are easy to train;
3) the dredging project of the silt of the sewage sedimentation ditch is developed and used, the difficult problem of dredging the silt of the sewage sedimentation ditch is solved, the working efficiency is high, and the effect of dredging the silt is remarkable;
4) the driving power of the device is 15kW, compared with other systems, a large amount of electric energy is saved, the number of input personnel is small, and only 1 driver is needed to operate the loading operation.
5) The operation is not influenced in sunny days and rainy days, and the working efficiency is high.
6) The invention can control the system through controlling the room and wireless remote control, the control system is safe and reliable.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included therein.
Claims (3)
1. A desilting method for a sedimentation tank is characterized by comprising the following steps:
arranging a dredging grab bucket right above the sedimentation water tank through a travelling crane; then, the dredging grab bucket is placed on the dredging surface of the sedimentation water tank; then, a plurality of stirring devices arranged on the outer side of the dredging grab bucket stir the water body on the outer side of the dredging grab bucket, so that the water body on the outer side of the dredging grab bucket forms a plurality of vortexes along with the stirring devices, and when the dredging grab bucket is started to grab the sludge in the sedimentation tank, the overflowed muddy water cannot be extended, so that the water quality is ensured;
the method comprises the following steps:
s1, laying rails on two banks of a sedimentation water channel;
s2, arranging a floor runway type travelling crane on the track in the step S1, and assembling a dredging grab bucket and a stirring device;
s3, arranging a motor way on one side of the sedimentation tank for transporting the sludge;
s4, adjusting the dredging grab bucket and the stirring device to the position to be desilted by using the travelling crane;
s5, lowering the dredging grab bucket and the stirring device into a sedimentation water tank;
s6, starting a stirring device, forming a plurality of vortexes around the dredging grab bucket by the water body in the sedimentation water tank, and forming a shield to prevent muddy water from diffusing;
s7, after the stirring device is started for a period of time, closing the dredging grab bucket and grabbing sludge;
s8, transporting the sludge in the dredging grab bucket to a motor vehicle through a travelling crane;
and S9, adjusting the dredging grab bucket and the stirring device to the next position to be cleaned through the travelling crane.
2. A dredging apparatus using the dredging method for a sedimentation basin according to claim 1, characterized in that: the device comprises rails (1) arranged on two sides of a sedimentation water channel and extending along the sedimentation water channel, a travelling crane (2) arranged on the rails (1), a motor vehicle (3) arranged on one side of the sedimentation water channel and used for transporting sludge, a dredging grab bucket (4) used for grabbing the sludge and a stirring device (5); wherein the stirring device (5) comprises an extension arm (501), a motor (502) and a stirring blade (503); one end of the extension arm (501) is connected to an upper bearing beam (4A) of the dredging grab bucket (4), and the other end is provided with a motor (502); the output end of the motor (502) is connected with a stirring blade (503); wherein the length of the stirring blade (503) from the water surface is less than that of the dredging grab bucket (4).
3. The dredging device according to claim 2, wherein: the stirring blade (503) is L-shaped; the end of the horizontal section of the stirring blade (503) is connected with the output end of the motor (502); and the length of the vertical section of the stirring blade (503) is less than that of the dredging grab bucket (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911270709.2A CN110952609B (en) | 2019-12-12 | 2019-12-12 | Sediment pool dredging method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911270709.2A CN110952609B (en) | 2019-12-12 | 2019-12-12 | Sediment pool dredging method and device |
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| CN110952609A CN110952609A (en) | 2020-04-03 |
| CN110952609B true CN110952609B (en) | 2021-09-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112546700A (en) * | 2020-12-29 | 2021-03-26 | 山西三元煤业股份有限公司 | Construction method for underground water silo |
| CN116397713B (en) * | 2023-05-12 | 2024-02-06 | 北京河沐生态科技有限公司 | Underwater environment-friendly obstacle clearing device, system and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0278335A2 (en) * | 1987-02-10 | 1988-08-17 | Meyer & van der Kamp GmbH & Co. Kommanditgesellschaft - Jadesand | Method and device for removing mud from a harbour basin or such |
| CN2133612Y (en) * | 1992-08-15 | 1993-05-19 | 梁毅 | Expansion arm type waste water and mud treating machine |
| EP2113612A2 (en) * | 2008-04-28 | 2009-11-04 | Schleith GmbH | Method for cleaning a hydrotechnical structure |
| CN205469693U (en) * | 2016-04-08 | 2016-08-17 | 朱彥企 | River course waste collection device |
| CN109457751A (en) * | 2018-11-13 | 2019-03-12 | 四川大学 | A kind of strand suction mud descaling machine |
-
2019
- 2019-12-12 CN CN201911270709.2A patent/CN110952609B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0278335A2 (en) * | 1987-02-10 | 1988-08-17 | Meyer & van der Kamp GmbH & Co. Kommanditgesellschaft - Jadesand | Method and device for removing mud from a harbour basin or such |
| CN2133612Y (en) * | 1992-08-15 | 1993-05-19 | 梁毅 | Expansion arm type waste water and mud treating machine |
| EP2113612A2 (en) * | 2008-04-28 | 2009-11-04 | Schleith GmbH | Method for cleaning a hydrotechnical structure |
| CN205469693U (en) * | 2016-04-08 | 2016-08-17 | 朱彥企 | River course waste collection device |
| CN109457751A (en) * | 2018-11-13 | 2019-03-12 | 四川大学 | A kind of strand suction mud descaling machine |
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