CN112900529A - River dredging anti-pollution diffusion device - Google Patents
River dredging anti-pollution diffusion device Download PDFInfo
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- CN112900529A CN112900529A CN202011544166.1A CN202011544166A CN112900529A CN 112900529 A CN112900529 A CN 112900529A CN 202011544166 A CN202011544166 A CN 202011544166A CN 112900529 A CN112900529 A CN 112900529A
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- pollution
- dredging
- river
- purifying agent
- water body
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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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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/02—Stream regulation, e.g. breaking up subaqueous rock, cleaning the beds of waterways, directing the water flow
- E02B3/023—Removing sediments
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Ocean & Marine Engineering (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to a river dredging anti-pollution diffusion device, which comprises: the pollution interception net is arranged in a water body behind the dredging equipment, a traction rope of the pollution interception net is connected with the dredging equipment, a plurality of adsorption material ropes are arranged below the floating drum to form the interception net, and the sinking hook is connected with the adsorption material ropes; the bottom sediment purifying agent adding device is connected with a nozzle pipe through a metering device and a hose, and the nozzle pipe is arranged below the buoy; the pollution concentration monitoring device is arranged in the water body at the rear end of the interception net and is connected with the buoy; and when the pollution concentration exceeds a set value, controlling the bottom sediment purifying agent adding device to add the bottom sediment purifying agent into the water body. The invention has good interception effect on the pollutant diffusion caused by bottom mud disturbance in the construction process of dredging equipment during the dredging of medium and small-sized internal rivers in cities, and simultaneously can further reduce the pollution diffusion by adding the bottom mud purifying agent through reverse control and has the effect of reducing the uncleaned polluted bottom mud; the dredging and the bottom mud purification are further combined to realize synchronous construction.
Description
Technical Field
The invention belongs to the field of water environment treatment, and particularly relates to a river dredging anti-pollution diffusion device which is applied to diffusion control and further purification of polluted slurry generated by river dredging.
Background
The method aims at treating the river endogenous polluted bottom mud by combining dredging and bottom mud purification. At present, the dredging of the internal river is basically manual or mechanical dredging, particularly, under the condition that dry water operation is not available, the problem of pollution sediment diffusion can be caused by adopting machinery to construct in the river, the pollution is easy to further diffuse, the treatment difficulty is increased, and the dredging effect is poor. Meanwhile, after dredging, the polluted floating sludge which is difficult to remove on the surface layer or the remaining slightly polluted bottom sludge needs to be further purified and eliminated; however, the two methods are generally used separately during construction, which not only prolongs the construction period, but also increases the cost of secondary construction.
Whether the problem of secondary pollution caused by the diffusion of polluted bottom mud during the water-carrying dredging of the machinery can be effectively controlled, whether the synchronous construction of bottom mud purification and the synchronous construction can be considered, the construction efficiency is greatly improved, and the method is worth discussing.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the river dredging anti-pollution diffusion device, which can well solve the problem of diffusion of polluted bottom mud in the river dredging process, greatly improve the on-site safe and civilized construction, and reduce the risk of secondary dredging caused by secondary pollution; meanwhile, synchronous construction of bottom mud purification can be carried out, the investment of manpower and material resources is reduced, and the investment of actual construction cost can be reduced on the premise of ensuring the treatment effect.
In order to achieve the purpose, the invention adopts the technical scheme that:
a river dredging anti-pollution diffusion device, comprising:
the pollution interception net is arranged in the water body behind the dredging equipment and comprises a traction rope, a buoy, an adsorption material rope and a bottom sinking hook; one end of the traction rope is connected with the dredging equipment, the other end of the traction rope is connected with the floating drum, a plurality of adsorbing material ropes are arranged below the floating drum to form an intercepting net, and the tail part of each adsorbing material rope is connected with the sinking hook;
the bottom sediment purifying agent adding device is used for storing the bottom sediment purifying agent in the bottom sediment purifying agent adding device on the dredging equipment and is connected with a nozzle pipe through a metering device and a hose, and the nozzle pipe is arranged below the buoy;
the pollution concentration monitoring device is arranged in the water body behind the interception net and is connected with the buoy; and when the pollution concentration exceeds a set value, the pollution concentration monitoring device controls the bottom sediment purifying agent adding device to add the bottom sediment purifying agent into the water body.
As an embodiment of the device, the number of the buoys is multiple, and the buoys are connected in series through a buoy chain.
As an embodiment of the device of the invention, the length of the pontoon is 2 times the width of the dredging apparatus or the smaller of the river width.
In one embodiment of the apparatus of the present invention, the length of the absorbent material string is 1 to 1.5 times the depth of water, and the absorbent material string is made of a synthetic material selected from the group consisting of polyvinyl chloride, polypropylene, and modified fiber.
In an embodiment of the apparatus of the present invention, the absorbent material string includes a central string and a yarn radially arranged in a three-dimensional state along a length of the central string.
As an embodiment of the device, the nozzle pipe comprises a main pipe fixed at the bottom of the buoy and a plurality of branch pipes distributed in the water body, the main pipe is communicated with the interior of the branch pipes, and a plurality of nozzles are arranged along the length of the branch pipes.
As an embodiment of the device according to the invention, the branch pipes are vertical to the water body, the nozzles at the top are located 0.1m below the water body, and the nozzles at the bottom are located 0.5m from the bottom of the river.
As an embodiment of the device, the main pipe is connected with a chemical tank on dredging equipment through the hose, the sediment purifying agent is stored in the chemical tank, and the length of the hose is 1.2-1.5 times of the distance from the buoy to the chemical tank.
As an embodiment of the device of the present invention, the metering device is connected to the pollution concentration monitoring device, and has a function of automatically adjusting a flow rate.
As an embodiment of the device of the present invention, the pollution concentration monitoring device includes a pollution concentration monitoring device and an inverse control system, the pollution concentration monitoring device is configured to measure a real-time numerical value of the pollution concentration of the water body and upload data to the inverse control system through a signal line, and the inverse control system regulates and controls the on/off and flow rate adjustment of the metering device according to a limit value set by the system when the limit value is exceeded.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
1. the method has good interception effect on pollutant diffusion caused by bottom mud disturbance in the construction process of dredging equipment during dredging of medium and small river rivers in cities.
2. The bottom mud purifying agent is added through reverse control, so that pollution diffusion can be further reduced, and the effect of reducing uncleaned polluted bottom mud is achieved.
3. The dredging and bottom mud purification are further combined to achieve synchronous construction, and the construction efficiency is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is an exemplary floor plan of an embodiment of the river dredging anti-pollution spreading device of the present invention.
Fig. 2 is an exemplary elevation view of an embodiment of the river dredging antipollution diffusion device of the present invention.
The correspondence of the reference numbers in the figures is as follows:
1-dredging equipment; 2-an excavator; 3-a counter-control system; 4-a kit; 5-a traction rope; 6-a buoy; 7-a hose; 8-a rope of adsorbent material; 9-sinking the bottom hook; 10-pollution concentration monitoring equipment; 11-a signal cord; 12-a river shoreline; 13-connecting ropes; 14-main tube; 15-nozzle.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
It should be understood that in the description of the present invention, unless otherwise explicitly specified or limited, such terms as "central," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship illustrated in the accompanying drawings, which are merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "mounted," "connected," and "connected" should be construed broadly and may include, for example, fixed connections, removable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and 2, the invention provides a river dredging anti-pollution diffusion device, which mainly comprises a pollution interception net, a bottom sediment purifying agent adding device and a pollution concentration monitoring device.
Wherein, the pollution interception net is arranged in the water body behind the dredging equipment and consists of a hauling rope 5, a buoy 6, an adsorbing material rope 8 and a bottom sinking hook 8; 2 traction ropes 5 are generally arranged, and 1-2 fixed points can be added when the river surface is wider or the dredging equipment is larger; the dredging equipment 1 is a ship structure with an excavator 2 arranged at the front end, runs on the river surface, and mechanically dredges the water body by the excavator 2 at the front end; one end of a traction rope 5 is connected with the dredging equipment 1, and two fixed points are positioned at the left side and the right side of the stern; the other end of haulage rope 5 is connected with flotation pontoon 6, and the quantity of flotation pontoon 6 is a plurality of, and is in the same place by the concatenation of flotation pontoon chain between a plurality of flotation pontoons 6, and the fixed point of two haulage ropes 5 is located the both ends of flotation pontoon chain respectively. The distance from the stern to the pontoon 6 is typically about 5m-20m depending on the river surge.
Further, the total length of the plurality of buoys 6 is generally 2 times the width of the dredging device 1 or the river width (whichever is smaller); the lower part of the float bowl 6 is provided with a hook for fixing the adsorbing material rope 8 and the nozzle pipe, and the lower part of the float bowl 6 is provided with a plurality of adsorbing material ropes 8 to form an intercepting net.
Furthermore, the length of the adsorbing material rope 8 is 1-1.5 times of the water depth, the adsorbing material rope 8 can be made of artificial synthetic materials such as polyvinyl chloride forks, polypropylene, modified fibers and the like, the adsorbing material rope 8 is a rope-shaped structure which takes a central thin rope and a plurality of four strips arranged along the length direction of the central thin rope, the thread lines of the adsorbing material rope 8 are in a three-dimensional state and radiate to the periphery, the adsorbing material rope has certain rigidity and flexibility, and the adsorbing material rope 8 forms a net shape through binding and fixing; the tail part of the adsorbing material rope 8 is connected with a bottom sinking hook 9 so as to be sunk into a water body, and the bottom sinking hook 9 can be made of stones, metal blocks and the like.
Further, the nozzle pipe is used for uniformly adding the bottom sediment purifying agent into the water body, the nozzle pipe is composed of a main pipe 14 hung below the buoys 6 and branch pipes 15 distributed in the water body, the main pipe 14 is arranged on hooks at the bottoms of the buoys along the length direction of the buoys 6, the number of the branch pipes 15 is reasonably arranged according to the length of the buoys, and the distance is about 0.1-0.3 m; the branch pipes 15 are perpendicular to the water body, multiple layers of nozzles are distributed on each branch pipe in the height direction, the first nozzle at the top is located 0.1m below the water body, the last nozzle at the bottom is 0.5m away from the bottom of the river, the height of the last nozzle at the bottom can be adjusted when the river depth is shallow, and the adjusting range is 1/4 which is not less than the river depth.
Further, the main pipe 14 is connected with a chemical box 4 on the ship body through a hose 7, a bottom sediment purifying agent of a bottom sediment purifying agent adding device is arranged in the chemical box 4, and the length of the hose 7 is 1.2-1.5 times of the distance from the buoy 6 to the chemical box 4, so that the phenomenon of short breaking and overlong winding is avoided; the chemical box 4 is a part of a bottom mud purifying agent adding device;
further, the bottom sediment purifying agent adding device consists of an automatic reagent proportioning device (optional), a reagent box and a metering device, and can select products with mature markets, wherein the automatic reagent proportioning device is used for allocating the bottom sediment purifying agent, the allocated bottom sediment purifying agent is stored in the reagent box 4, one end of a hose 7 is connected with the reagent box 4, the other end of the hose 7 is connected with a main pipe 14 of a nozzle pipe, the metering device can adopt an electromagnetic valve and is arranged on the hose 7, and the metering device is further connected with a pollution concentration monitoring device, has the function of automatically adjusting the flow and is used for reasonably controlling the adding time and the adding quantity of the reagents;
further, the pollution concentration monitoring device comprises pollution concentration monitoring equipment 10 and a reverse control system 3, the pollution concentration monitoring equipment 10 is arranged in the water body at the rear end of the intercepting net and is fixed on the floating barrel 6 through a connecting rope 13, the distance from the floating barrel 6 is about 1m-3m, the real-time numerical value of the SS concentration in the water body is measured, and data are uploaded to the reverse control system 3 through a signal wire 11, wherein the SS is just Suspended Solid, and the SS is an abbreviation of English Suspended Solid or Suspended solids, namely Suspended matters in water quality.
Further, the inverse control system 3 regulates and controls the opening and closing of the metering device and the flow regulation according to the SS concentration limit value set by the system when the SS concentration limit value exceeds the limit value, and the regulating quantity can be reasonably selected according to a set calculation formula.
Compared with the prior art, the invention has the following beneficial effects:
1. the method has good interception effect on pollutant diffusion caused by bottom mud disturbance in the construction process of dredging equipment during dredging of medium and small river rivers in cities.
2. The bottom mud purifying agent is added through reverse control, so that pollution diffusion can be further reduced, and the effect of reducing uncleaned polluted bottom mud is achieved.
3. The dredging and bottom mud purification are further combined to achieve synchronous construction, and the construction efficiency is greatly improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention, and are all included in the scope of the present invention.
The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.
Claims (10)
1. A river dredging anti-pollution diffusion device is characterized by comprising:
the pollution interception net is arranged in the water body behind the dredging equipment and comprises a traction rope, a buoy, an adsorption material rope and a bottom sinking hook; one end of the traction rope is connected with the dredging equipment, the other end of the traction rope is connected with the floating drum, a plurality of adsorbing material ropes are arranged below the floating drum to form an intercepting net, and the tail part of each adsorbing material rope is connected with the sinking hook;
the bottom sediment purifying agent adding device is used for storing the bottom sediment purifying agent in the bottom sediment purifying agent adding device on the dredging equipment and is connected with a nozzle pipe through a metering device and a hose, and the nozzle pipe is arranged below the buoy;
the pollution concentration monitoring device is arranged in the water body behind the interception net and is connected with the buoy; and when the pollution concentration exceeds a set value, the pollution concentration monitoring device controls the bottom sediment purifying agent adding device to add the bottom sediment purifying agent into the water body.
2. The river dredging anti-pollution diffusion device according to claim 1, wherein: the quantity of flotation pontoon is a plurality of, and is a plurality of connect together through the flotation pontoon chain between the flotation pontoon.
3. The river dredging anti-pollution diffusion device according to claim 1, wherein: the length of the buoy is 2 times of the width of the dredging equipment or the smaller value of the river surge width.
4. The river dredging anti-pollution diffusion device according to claim 1, wherein: the length of the adsorbing material rope is 1-1.5 times of water depth, and the adsorbing material rope is made of artificial synthetic materials selected from polyvinyl chloride forks, polypropylene or modified fibers.
5. The river dredging anti-pollution diffusion device according to claim 1, wherein: the adsorbing material rope comprises a central thin rope and silk strips which are arranged along the length of the central thin rope in a three-dimensional state in a radiation mode.
6. The river dredging anti-pollution diffusion device according to claim 1, wherein: the nozzle pipe is including fixing the person in charge of flotation pontoon bottom and distribute in a plurality of branch pipes in the water, be responsible for with the branch pipe is inside to communicate with each other, follows the length of branch pipe is provided with a plurality of nozzles.
7. The device for dredging and anti-pollution spreading of river channel according to claim 6, wherein: the branch pipes are vertical to the water body, the nozzles at the top are located 0.1m below the water body, and the nozzles at the bottom are 0.5m away from the bottom of the river.
8. The river dredging anti-pollution diffusion device according to claim 1, wherein: the main pipe is connected with a chemical box on dredging equipment through the hose, the sediment purifying agent is stored in the chemical box, and the length of the hose is 1.2-1.5 times of the distance from the float bowl to the chemical box.
9. The river dredging anti-pollution diffusion device according to claim 1, wherein: the metering device is connected with the pollution concentration monitoring device and has the function of automatically adjusting the flow.
10. The river dredging anti-pollution diffusion device according to claim 9, wherein: the pollution concentration monitoring device comprises a pollution concentration monitoring device and an inverse control system, the pollution concentration monitoring device is used for measuring a real-time numerical value of the pollution concentration of the water body and uploading data to the inverse control system through a signal line, and the inverse control system regulates and controls the on-off and flow regulation of the metering device according to a limit value set by the system when the limit value is exceeded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011544166.1A CN112900529A (en) | 2020-12-23 | 2020-12-23 | River dredging anti-pollution diffusion device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011544166.1A CN112900529A (en) | 2020-12-23 | 2020-12-23 | River dredging anti-pollution diffusion device |
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| CN112900529A true CN112900529A (en) | 2021-06-04 |
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| CN202011544166.1A Pending CN112900529A (en) | 2020-12-23 | 2020-12-23 | River dredging anti-pollution diffusion device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737632A (en) * | 2022-04-24 | 2022-07-12 | 中国建筑第八工程局有限公司 | Dredging and antifouling system for river and construction method thereof |
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| JP2006239667A (en) * | 2005-02-28 | 2006-09-14 | Hideharu Yamamoto | Apparatus for purification of contaminated water |
| CN103739185A (en) * | 2014-01-29 | 2014-04-23 | 郑波 | Sludge and sewage treatment system of drainage facility |
| CN209685423U (en) * | 2019-03-20 | 2019-11-26 | 安徽新宇生态产业股份有限公司 | A kind of creek ecological restoration of lakes system |
| CN211713924U (en) * | 2019-12-30 | 2020-10-20 | 中国建筑第八工程局有限公司 | River course ecotype trash device |
-
2020
- 2020-12-23 CN CN202011544166.1A patent/CN112900529A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006239667A (en) * | 2005-02-28 | 2006-09-14 | Hideharu Yamamoto | Apparatus for purification of contaminated water |
| CN103739185A (en) * | 2014-01-29 | 2014-04-23 | 郑波 | Sludge and sewage treatment system of drainage facility |
| CN209685423U (en) * | 2019-03-20 | 2019-11-26 | 安徽新宇生态产业股份有限公司 | A kind of creek ecological restoration of lakes system |
| CN211713924U (en) * | 2019-12-30 | 2020-10-20 | 中国建筑第八工程局有限公司 | River course ecotype trash device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737632A (en) * | 2022-04-24 | 2022-07-12 | 中国建筑第八工程局有限公司 | Dredging and antifouling system for river and construction method thereof |
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