CN108193656B - Special dirt removing device for rubber dam engineering river surface and using method thereof - Google Patents
Special dirt removing device for rubber dam engineering river surface and using method thereof Download PDFInfo
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- CN108193656B CN108193656B CN201810251874.2A CN201810251874A CN108193656B CN 108193656 B CN108193656 B CN 108193656B CN 201810251874 A CN201810251874 A CN 201810251874A CN 108193656 B CN108193656 B CN 108193656B
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- Prior art keywords
- floating
- dam
- dirt
- bag
- dam bag
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000007667 floating Methods 0.000 claims abstract description 77
- 238000005202 decontamination Methods 0.000 claims abstract description 16
- 230000003588 decontaminative effect Effects 0.000 claims abstract description 16
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 49
- 230000000903 blocking effect Effects 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 8
- 239000010865 sewage Substances 0.000 claims description 3
- 238000005201 scrubbing Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/08—Devices for reducing the polluted area with or without additional devices for removing the material
- E02B15/0842—Devices for reducing the polluted area with or without additional devices for removing the material adapted to be towed for operation
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/08—Devices for reducing the polluted area with or without additional devices for removing the material
- E02B15/0857—Buoyancy material
- E02B15/0878—Air and water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/005—Deformable barrages or barrages consisting of permanently deformable elements, e.g. inflatable, with flexible walls
Abstract
The invention discloses a special dirt removing device for a rubber dam engineering river surface and a using method thereof, wherein the dirt removing device comprises dirt removing valves, floating dam bags and connecting rods; one end of the connecting rod is movably connected with the floating dam bag through a connecting ring, and the other end of the connecting rod is movably connected with the anchor bolt with the hole through the connecting ring; the anchor bolts with holes are anchored and arranged on the concrete bottom plate; one side of the upstream of the floating dam bag is provided with an I-shaped dirt removing valve; the notch direction of the dirt removing valve is flush with the extending direction of the floating dam bag; both ends of the dirt removing valve are provided with operation ropes. According to the characteristic development design of the rubber dam, the invention not only can realize the effect of river surface decontamination, but also can be matched with the function of the rubber dam, and does not prevent overflow or flood discharge; the invention also has the advantages of simple structure, convenient operation, lower construction cost, good river surface decontamination effect and the like.
Description
Technical Field
The invention relates to a dirt removing device, in particular to a special dirt removing device for a rubber dam engineering river surface and a using method thereof.
Background
The rubber dam, also called rubber sluice, is a bag-type water-retaining dam formed by using high-strength synthetic fiber fabric as a stressed skeleton, coating rubber as a protective layer on the inside and outside, processing into rubberized fabric, anchoring it on a bottom plate to form a closed dam bag, and inflating it with water (gas) through an inflation and drainage pipeline. The dam crest of the rubber dam can overflow, and the dam height can be adjusted according to the requirement, so that the upstream water level is controlled, and the benefits of landscapes, irrigation, power generation, shipping, flood control, tide blocking and the like are exerted.
Along with the increasing serious river pollution, people need to arrange a sewage blocking net on the river surface around the water retaining dam to solve the problem of floating sundries on the river surface. The existing dirt blocking net mainly comprises a steel dirt blocking net and a plastic shaping floating net, but the steel dirt blocking net is easily influenced by river terrain, has high construction cost, lacks dirt blocking function according to water surface lifting, is complex to control, is not matched with the application function of the rubber dam and the like; the dirt blocking mode of the plastic formulated floating net is easy to form an arc dirt blocking belt due to the impact of river water, is not beneficial to cleaning dirt, and needs to be manually scratched for cleaning. In addition, most of the existing dirt blocking nets are arranged on the upstream of the water blocking dam, so that the ornamental value of the river landscape is affected, and the dirt blocking nets are easy to float away along with water when the water is more, and cannot remove dirt. Based on the above drawbacks, development of a novel decontamination device applicable to the river surface of rubber dam engineering is needed.
Disclosure of Invention
In order to solve the defects of the technology, the invention provides a special sewage removing device for a rubber dam engineering river surface and a using method thereof.
In order to solve the technical problems, the invention adopts the following technical scheme: the special dirt removing device for the river surface of the rubber dam engineering comprises dirt removing valves, floating dam bags and connecting rods; connecting rings are fixedly arranged at two ends of the connecting rod; one end of the connecting rod is movably connected with the floating dam bag through a connecting ring, and the other end of the connecting rod is movably connected with the anchor bolt with the hole through the connecting ring; the anchor bolts with holes are anchored and arranged on the concrete bottom plate;
one side of the upstream of the floating dam bag is provided with an I-shaped dirt removing valve; the notch direction of the dirt removing valve is flush with the extending direction of the floating dam bag and is used for collecting floating dirt through the notch when the floating dam bag moves forwards and backwards; both ends of the dirt removing valve are provided with operation ropes; the length of the operation rope is greater than the width of the river channel, and the other end of the operation rope extends to the corresponding river bank away from the dirt removing valve.
One end of the floating dam bag is provided with a dam bag connecting sheet, and the floating dam bag is rotationally connected with the connecting ring on the connecting rod through the dam bag connecting sheet with the opening.
The dam bag connecting pieces and the connecting rods are multiple, and the dam bag connecting pieces and the connecting rods are in one-to-one correspondence and are used for achieving stable connection with the floating dam bag.
The floating dam bag is a water-filled or inflatable fully-closed dam bag, and the water-filled or inflatable proportion in the dam bag can be adjusted according to the water level so as to block floating dirt.
The dirt removing valve is a rubber valve filled with half water and half gas, is used for realizing water surface floating under the condition of meeting the dirt blocking bearing capacity, and is also used for preventing the floating dam bag from being scratched.
The floating dam bag is arranged at the downstream of the rubber dam; the rubber dam is fastened and arranged on the concrete bottom plate through the anchor bolts.
The application method of the special dirt removing device for the river surface of the rubber dam engineering comprises the following steps:
when the rubber dam is in a water blocking and overflowing state: filling water or inflating the floating dam bag and the dirt removing valve by using filling and discharging equipment, and adjusting the filling and discharging proportion according to the water level condition so that more than half of the volumes of the floating dam bag and the dirt removing valve float on the river surface; the floating dirt overflowed from the top of the rubber dam is intercepted to the upstream side by the floating dam bag, when the quantity of the floating dirt is excessively accumulated, the operation rope is pulled, so that the dirt removing valve drives the floating dirt to move to one side of the river bank under the traction action of the operation rope; the operation rope is pulled to the other side, so that the dirt removing valve drives the floating dirt to move to the river bank at the other side, and the floating dirt on the whole river surface is removed;
when the rubber dam is in a flood discharge and water drainage state: water or air in the floating dam bag is emptied, and the flow section of the original river is restored; if the river surface needs to be decontaminated by using the decontaminating device continuously in the near future, pulling the decontaminating valve to one side of the river bank through the operation rope; if no pollution-removing device is needed in the near term, the pollution-removing valve is collected and stored after the water vapor is discharged.
According to the characteristic development design of the rubber dam, the invention not only can realize the effect of river surface decontamination, but also can be matched with the function of the rubber dam, and does not prevent overflow or flood discharge; the invention also has the advantages of simple structure, convenient operation, lower construction cost, good river surface decontamination effect and the like.
Drawings
Fig. 1 is a sectional view of the decontamination apparatus in an overflow decontamination state.
Fig. 2 is a sectional view of the decontaminating apparatus in a flood discharge and water discharge state.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a partially exploded view of the decontamination apparatus.
In the figure: 1. a concrete floor; 2. an anchor bolt; 3. a rubber dam; 4. a floating dam bag; 5. an anchor bolt with a hole; 6. a connecting ring; 7. a connecting rod; 8. dam bag connecting pieces; 9. removing dirt and cutting; 10. an operating rope; 11. river flow.
Detailed Description
The invention will be described in further detail with reference to the drawings and the detailed description.
The special dirt removing device for the rubber dam engineering river surface shown in figures 1-4 comprises a dirt removing valve 9, a floating dam bag 4 and a connecting rod 7; the two ends of the connecting rod 7 are welded with connecting rings 6; one end of the connecting rod 7 is movably connected with the floating dam bag 4 through a connecting ring, and the other end is movably connected with the anchor bolt 5 with a hole through the connecting ring; the anchor bolts 5 with holes are anchored on the concrete bottom plate 1; the concrete floor 1 is the basic part of the dam for carrying the water pressure and the fixing bolts. The length of the connecting rod 7 can be determined according to the overflow amount of the dam and the downstream water level of the dam, and is preferably made of circular stainless steel.
Specifically, one end of the floating dam bag 4 is provided with a dam bag connecting sheet 8, and the floating dam bag 4 is rotationally connected with a connecting ring on the connecting rod 7 through the dam bag connecting sheet 8 with an opening; this arrangement enables the height of the floating dam bag 4 to be adjusted with the water level.
The dam bag connecting pieces 8 and the connecting rods 7 are multiple, and the dam bag connecting pieces 8 and the connecting rods 7 are in one-to-one correspondence and are used for realizing stable connection with the floating dam bag 4. After the floating dam bag 4 is filled with water or inflated, the water pressure acting on the dam bag is transferred to the concrete bottom plate 1 through the anchor bolts 5 with holes, so that the dam bag can be stabilized.
One side of the upstream of the floating dam bag 4 is provided with an I-shaped dirt removing valve 9; the notch direction of the dirt removing valve 9 is flush with the extending direction of the floating dam bag 4, and is used for collecting floating dirt through the notch when the floating dam bag moves forwards and backwards; the two ends of the dirt removing valve 9 are provided with operation ropes 10; the length of the operation rope 10 is larger than the width of a river channel, and the other end of the operation rope 10 extends to the corresponding river bank away from the dirt removing valve 9.
The floating dam bag 4 is a water-filled or inflatable fully-closed dam bag, and the water-filled or inflatable proportion in the dam bag can be adjusted according to the water level so as to block floating dirt.
The dirt removing valve 9 is a rubber valve filled with half water and half gas, is used for realizing water surface floating under the condition of meeting the dirt blocking bearing capacity, and is also used for preventing the floating dam bag 4 from being scratched.
The floating dam bag 4 is arranged at the downstream of the rubber dam 3; the rubber dam 3 is fastened and arranged on the concrete bottom plate 1 through the anchor bolts 2.
The application method of the special dirt removing device for the river surface of the rubber dam engineering comprises the following steps:
as shown in fig. 1, when the rubber dam 3 is in the water blocking overflow state: filling water or inflating the floating dam bag 4 and the dirt removing valve 9 by using filling and discharging equipment, and adjusting the filling and discharging proportion according to the water level condition so that more than half of the volumes of the floating dam bag 4 and the dirt removing valve 9 float on the river surface; when the quantity of the floating dirt is accumulated excessively, the operation rope 10 is pulled to drive the dirt removing valve 9 to move to one river bank under the traction action of the operation rope 10; the operation rope 10 is pulled to the other side, so that the decontamination valve 9 drives the floating dirt to move to the river bank at the other side, thereby realizing the removal of the floating dirt on the whole river surface;
as shown in fig. 2, when the rubber dam 3 is in a flood discharge and water discharge state: the water or gas in the floating dam bag 4 is emptied, and the flow section of the original river is restored; if the river surface needs to be decontaminated by using the decontaminating device continuously in the near future, the decontaminating valve 9 is pulled to one side of the river bank through the operation rope 10; if no more decontamination device is needed in the near future, the decontamination valve 9 is collected and stored after the water vapor is discharged.
The invention is suitable for river surface with smooth water flow and without large sand stone, such as most artificial river, sightseeing river, etc., and has the following advantages compared with the prior art:
1) The novel rubber dam can be directly added without any change to the existing rubber dam, and has the advantages of quick and convenient decontamination and wide application range;
2) The device can be independently used for upstream of a river channel, is more convenient and quicker in decontamination than the prior art, and saves cost;
3) The device can share a set of water filling and discharging or air filling and discharging equipment with the existing rubber dam, and is easy to manage uniformly;
4) The pure mechanical structure saves the management cost of power control and is convenient to maintain;
5) The method can be used as a standby dam of the rubber dam according to design requirements, and has strong expansion applicability;
6) The structure and principle are simple, and the operation is easy;
7) Is especially suitable for the decontamination of the river surface of rubber dam engineering.
The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, but is also intended to be limited to the following claims.
Claims (5)
1. The utility model provides a dedicated scrubbing device of rubber dam engineering river surface which characterized in that: comprises a dirt removing valve (9), a floating dam bag (4) and a connecting rod (7); connecting rings (6) are fixedly arranged at two ends of the connecting rod (7); one end of the connecting rod (7) is movably connected with the floating dam bag (4) through a connecting ring, and the other end of the connecting rod is movably connected with the anchor bolt (5) with a hole through the connecting ring; the anchor bolts (5) with holes are anchored on the concrete bottom plate (1);
one side of the upstream of the floating dam bag (4) is provided with an I-shaped dirt removing valve (9); the notch direction of the dirt removing valve (9) is flush with the extending direction of the floating dam bag (4) and is used for collecting floating dirt through the notch when the dirt removing valve moves forwards and backwards; both ends of the dirt removing valve (9) are provided with operation ropes (10); the lengths of the operation ropes (10) are all larger than the width of a river channel, and the other ends of the operation ropes (10) deviate from the dirt removing valves (9) and extend to the corresponding river banks;
the floating dam bag (4) is a water-filled or inflatable totally-enclosed dam bag, the water-filled or inflatable proportion in the dam bag can be adjusted according to the water level, the floating dam bag (4) is used for blocking floating dirt, the floating dam bag (4) is arranged at the downstream of the rubber dam (3), the dirt removing valve (9) is arranged between the rubber dam (3) and the floating dam bag (4), and the rubber dam (3) is further fastened and arranged on the concrete bottom plate (1) through the anchor bolts (2).
2. The apparatus for removing dirt on a rubber dam engineering river surface according to claim 1, wherein: one end of the floating dam bag (4) is provided with a dam bag connecting sheet (8), and the floating dam bag (4) is connected with the connecting ring on the connecting rod (7) in a rotating way through the dam bag connecting sheet (8) with the opening.
3. The apparatus for removing dirt on a rubber dam engineering river surface according to claim 2, wherein: the dam bag connecting pieces (8) and the connecting rods (7) are multiple, and the dam bag connecting pieces (8) and the connecting rods (7) are in one-to-one correspondence and used for achieving stable connection with the floating dam bag (4).
4. The apparatus for removing dirt on a rubber dam engineering river surface according to claim 1, wherein: the dirt removing valve (9) is rubber valve filled with semi-water and semi-gas, is used for realizing water surface floating under the condition of meeting dirt blocking bearing capacity, and is also used for preventing the floating dam bag (4) from being scratched.
5. The method for using the special sewage removal device for the rubber dam engineering river surface according to claim 1, which is characterized in that:
when the rubber dam (3) is in a water blocking and overflowing state: filling water or air into the floating dam (4) and the dirt removing valve (9) by using filling and discharging equipment, and adjusting the filling and discharging proportion according to the water level condition, so that more than half of the volumes of the floating dam (4) and the dirt removing valve (9) float on the river surface; the floating dirt overflowed from the top of the rubber dam (3) is intercepted to the upstream side by the floating dam bag (4), when the quantity of the floating dirt is accumulated excessively, the operation rope (10) is pulled, so that the dirt removing valve (9) drives the floating dirt to move to one side of the river bank under the traction action of the operation rope (10); the operation rope (10) is pulled to the other side, so that the dirt removing valve (9) drives the floating dirt to move to the river bank at the other side, and the floating dirt on the whole river surface is removed;
when the rubber dam (3) is in a flood discharge and water drainage state: water or air in the floating dam bag (4) is discharged, and the flow section of the original river is recovered; if the river surface needs to be decontaminated by using the decontaminating device continuously in the near future, pulling the decontaminating valve (9) to one side of the river bank through the operation rope (10); if no more decontamination device is needed in the near term, the decontamination valve (9) is collected and stored after the water vapor is discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810251874.2A CN108193656B (en) | 2018-03-26 | 2018-03-26 | Special dirt removing device for rubber dam engineering river surface and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810251874.2A CN108193656B (en) | 2018-03-26 | 2018-03-26 | Special dirt removing device for rubber dam engineering river surface and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108193656A CN108193656A (en) | 2018-06-22 |
| CN108193656B true CN108193656B (en) | 2024-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810251874.2A Active CN108193656B (en) | 2018-03-26 | 2018-03-26 | Special dirt removing device for rubber dam engineering river surface and using method thereof |
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| Country | Link |
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| CN (1) | CN108193656B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111581688A (en) * | 2020-03-26 | 2020-08-25 | 辽宁省水利水电科学研究院有限责任公司 | Inflatable rubber dam bag reconstruction design method |
| CN113882990A (en) * | 2021-11-05 | 2022-01-04 | 李桂江 | Kinetic energy hydroelectric power station |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201351274Y (en) * | 2009-01-16 | 2009-11-25 | 符乐林 | Movable slag retaining device |
| CN202273215U (en) * | 2011-09-28 | 2012-06-13 | 遵义航科机电有限公司 | Safety environment-friendly trash floating barrier device |
| KR101272903B1 (en) * | 2012-12-27 | 2013-06-11 | 주식회사 삼안 | Silt prevent the spread of temporary for harbor renovation and, marine dredging and reclamation |
| CN105621599A (en) * | 2016-03-12 | 2016-06-01 | 常州大学 | Ecological dam for aeration and slag blocking |
| CN105780746A (en) * | 2016-03-23 | 2016-07-20 | 中国科学院水生生物研究所 | Method and device for gas floating isolation enrichment of water-blooming cyanobacteria |
| CN106192957A (en) * | 2016-08-17 | 2016-12-07 | 成都华气能源工程有限公司 | River course floating refuse cleaning plant |
| CN106320307A (en) * | 2016-09-22 | 2017-01-11 | 无锡德林海环保科技股份有限公司 | Liftable cyanobacteria prevention and control floating dam |
| CN206428683U (en) * | 2017-01-18 | 2017-08-22 | 中国电建集团成都勘测设计研究院有限公司 | Pollutant-blocking grate arrangement |
| CN107574804A (en) * | 2017-08-17 | 2018-01-12 | 刘万久 | A kind of cross a river web plate floating refuse automatic recycling device |
| CN208039199U (en) * | 2018-03-26 | 2018-11-02 | 北京紫光新锐科技发展有限公司 | A kind of dedicated decontamination apparatus of rubber dam project river surface |
-
2018
- 2018-03-26 CN CN201810251874.2A patent/CN108193656B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201351274Y (en) * | 2009-01-16 | 2009-11-25 | 符乐林 | Movable slag retaining device |
| CN202273215U (en) * | 2011-09-28 | 2012-06-13 | 遵义航科机电有限公司 | Safety environment-friendly trash floating barrier device |
| KR101272903B1 (en) * | 2012-12-27 | 2013-06-11 | 주식회사 삼안 | Silt prevent the spread of temporary for harbor renovation and, marine dredging and reclamation |
| CN105621599A (en) * | 2016-03-12 | 2016-06-01 | 常州大学 | Ecological dam for aeration and slag blocking |
| CN105780746A (en) * | 2016-03-23 | 2016-07-20 | 中国科学院水生生物研究所 | Method and device for gas floating isolation enrichment of water-blooming cyanobacteria |
| CN106192957A (en) * | 2016-08-17 | 2016-12-07 | 成都华气能源工程有限公司 | River course floating refuse cleaning plant |
| CN106320307A (en) * | 2016-09-22 | 2017-01-11 | 无锡德林海环保科技股份有限公司 | Liftable cyanobacteria prevention and control floating dam |
| CN206428683U (en) * | 2017-01-18 | 2017-08-22 | 中国电建集团成都勘测设计研究院有限公司 | Pollutant-blocking grate arrangement |
| CN107574804A (en) * | 2017-08-17 | 2018-01-12 | 刘万久 | A kind of cross a river web plate floating refuse automatic recycling device |
| CN208039199U (en) * | 2018-03-26 | 2018-11-02 | 北京紫光新锐科技发展有限公司 | A kind of dedicated decontamination apparatus of rubber dam project river surface |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108193656A (en) | 2018-06-22 |
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