CN110624280A - Sediment basin that hierarchical sediment was used in turn - Google Patents
Sediment basin that hierarchical sediment was used in turn Download PDFInfo
- Publication number
- CN110624280A CN110624280A CN201910928887.3A CN201910928887A CN110624280A CN 110624280 A CN110624280 A CN 110624280A CN 201910928887 A CN201910928887 A CN 201910928887A CN 110624280 A CN110624280 A CN 110624280A
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- Prior art keywords
- desilting
- basin
- stage
- gate
- settling tank
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- 239000013049 sediment Substances 0.000 title description 10
- 238000005192 partition Methods 0.000 claims abstract description 21
- 238000001556 precipitation Methods 0.000 claims abstract description 12
- 239000004576 sand Substances 0.000 claims description 65
- 238000011144 upstream manufacturing Methods 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 53
- 239000002245 particle Substances 0.000 abstract description 6
- 230000008602 contraction Effects 0.000 description 9
- 238000009792 diffusion process Methods 0.000 description 6
- 238000011010 flushing procedure Methods 0.000 description 6
- 230000002035 prolonged effect Effects 0.000 description 5
- 238000004062 sedimentation Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/003—Sedimentation tanks provided with a plurality of compartments separated by a partition wall
- B01D21/0033—Vertical, perforated partition walls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/30—Control equipment
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Barrages (AREA)
Abstract
The invention discloses a desilting basin alternately used by fractional precipitation, which comprises a partition wall, a left desilting basin, a right desilting basin and a gate, wherein the partition wall is provided with a partition wall; the partition wall is fixedly arranged in the middle of the river channel, the area on the left side of the partition wall is a left desilting basin, and the area on the right side of the partition wall is a right desilting basin; the first gate is arranged at the front end of the left desilting pool, and the second gate is arranged at the front end of the right desilting pool; a first-stage desilting tank, a second-stage desilting tank and a third-stage desilting tank are sequentially arranged in the left desilting tank from left to right, a first baffle is arranged between the first-stage desilting tank and the second-stage desilting tank, a second baffle is arranged between the second-stage desilting tank and the third-stage desilting tank, and an overflow weir is arranged at the rear position of the third-stage desilting tank; the left desilting pool and the right desilting pool are symmetrically arranged. The invention solves the problem that the diversion-type power station is inconvenient to desilt, and the silt in the river water is deposited and is graded according to particles so as to be conveniently and repeatedly utilized.
Description
Technical Field
The invention relates to the technical field of water conservancy and hydropower engineering, in particular to a sand basin for graded precipitation and alternate use.
Background
At present, in the river basin of inland river in the western river, due to the influence of precipitation conditions and human activities, the silt content of the discussion river and the thinning river is greatly increased. Although the existing periodical flushing type desilting basin has a simple structure, the flow state of water flow in a desilting chamber is unstable, and when the sand content is large, flushing is frequent, so that a large amount of water resources, manpower and material resources are wasted, a machine needs to be stopped to reduce the water level to flush silt, the sand flushing time is long, and the hydropower station efficiency is low; although the continuous flushing type desilting basin solves the continuous and coordinated problems of water supply and sand flushing, the problems of blockage of a sand discharge gallery and a sand inlet hole and the like can exist, silt which cannot be precipitated can accelerate the abrasion of a water turbine and even cause forced shutdown, the sand discharge gallery is difficult to overhaul, and the water consumption for sand flushing is large.
Disclosure of Invention
The invention aims at the problems and provides a desilting basin alternately used by fractional precipitation, which comprises a partition wall, a left desilting basin, a right desilting basin and a gate; the partition wall is fixedly arranged in the middle of the river channel, the area on the left side of the partition wall is a left desilting basin, and the area on the right side of the partition wall is a right desilting basin; the gate comprises a first gate and a second gate, the first gate is arranged at the front end of the left desilting pool, and the second gate is arranged at the front end of the right desilting pool; a first-stage desilting tank, a second-stage desilting tank and a third-stage desilting tank are sequentially arranged in the left desilting tank from left to right, a first baffle is arranged between the first-stage desilting tank and the second-stage desilting tank, a second baffle is arranged between the second-stage desilting tank and the third-stage desilting tank, and an overflow weir is arranged at the rear position of the third-stage desilting tank; the left desilting pool and the right desilting pool are symmetrically arranged.
Furthermore, the silt basin that the fractional precipitation used in turn still includes the upstream linkage segment that sets up in the upstream position and sets up in the low reaches shrink section of low reaches position, and the upstream linkage segment is located gate the place ahead, and the low reaches shrink section is located the overflow weir rear.
Furthermore, the gradient of the first-stage desilting pond is smaller than that of the second-stage desilting pond, and the gradient of the second-stage desilting pond is smaller than that of the third-stage desilting pond.
Furthermore, bottom sills are arranged at the bottoms of the first-stage sand settling tank, the second-stage sand settling tank and the third-stage sand settling tank at equal intervals.
Furthermore, the horizontal positions of the overflow weirs are higher than the bottoms of the primary sand basin, the secondary sand basin and the tertiary sand basin.
Furthermore, the upstream connecting section is a diffusion section, the upstream connecting section is in a one-side diffusion shape, the downstream expansion section is a contraction section, and the downstream contraction section is in a slow contraction shape.
The invention has the advantages that:
according to the invention, the gradient of the desilting basin is set in a grading manner, and the flow velocities of water flows are different by utilizing different gradients, so that silt can be precipitated step by step according to the particle size; bottom sills are uniformly arranged at the bottom of the desilting tank, and the bottom sills are arranged to increase the phenomenon of water flow disorder so as to better precipitate; a first baffle is arranged between the first-stage sand settling tank and the second-stage sand settling tank, a second baffle is arranged between the second-stage sand settling tank and the third-stage sand settling tank, the height of the baffle can be selected according to actual conditions, so that the turbulence phenomenon of water flow is increased, the sand settling tanks of different stages are separated, the settling time is prolonged, and the sand discharge rate and the sand settling rate are improved; an overflow weir with the horizontal position higher than the bottom of the desilting pool is arranged behind the third-stage desilting pool, so that the sand content of water flow flowing out of the desilting pool is smaller; the river width is increased by arranging the upstream connecting section, so that the water flow speed is slowed down to achieve the purpose of facilitating sediment sedimentation; the downstream contraction section is arranged to increase the water flow speed, so that the downward movement of the sediment is accelerated; closing the gate, and carrying out manual dredging after the water level is reduced; divide the river course into left desilting pond and right desilting pond through the partition wall, be equipped with first gate at left desilting pond front end, be equipped with the second gate at right desilting pond front end, can only carry out the desilting to one of them river course when the river course desilting and do not influence another river course and carry out the desilting, can alternate use, the drawback that water conservancy was washed has been avoided, the water economy resource has utilized the sediment that the deposit got off with high efficiency, and solved the inconvenient characteristics of desilting of diversion formula power station, reduce the maintenance cost of power station.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a water flow direction sectional view of fig. 1 of the present invention.
Reference numerals:
1 is a partition wall, 2 is a left desilting pond, 3 is a right desilting pond, 4 is a gate, 5 is an upstream connecting section, 6 is a downstream contraction section, 7 is a first-stage desilting pond, 8 is a first baffle, 9 is a second-stage desilting pond, 10 is a second baffle, 11 is a third-stage desilting pond, 12 is an overflow weir, 13 is a sill, 41 is a first gate, and 42 is a second gate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 2, as shown in fig. 1 to 2, a settling tank for fractional settling alternate use includes a partition wall 1, a left settling tank 2, a right settling tank 3, and a gate 4; the partition wall 1 is fixedly arranged in the middle of a river channel, the area on the left side of the partition wall 1 is a left desilting basin 2, and the area on the right side of the partition wall 1 is a right desilting basin 3; the gate 4 comprises a first gate 41 and a second gate 42, the first gate 41 is arranged at the front end of the left desilting pool 2, the second gate 42 is arranged at the front end of the right desilting pool 3, and when the river channels are desilted, only one of the river channels can be desilted without affecting the desilting of the other river channel; a first-stage sand settling tank 7, a second-stage sand settling tank 9 and a third-stage sand settling tank 11 are sequentially arranged in the left sand settling tank 2 from left to right, a first baffle 8 is arranged between the first-stage sand settling tank 7 and the second-stage sand settling tank 9, a second baffle 10 is arranged between the second-stage sand settling tank 9 and the third-stage sand settling tank 11, an overflow weir 12 is arranged at the rear position of the third-stage sand settling tank 11, and the first baffle 8 and the second baffle 10 can be selected to be high according to actual conditions, so that the turbulence phenomenon of water flow is increased, the sand settling tanks at different stages are separated, the settling time is prolonged, and the sand discharge rate and the sand settling rate are improved; the left sand settling tank 2 and the right sand settling tank 3 are symmetrically arranged.
The desilting basin with the graded sedimentation and the alternate use further comprises an upstream connecting section 5 arranged at an upstream position and a downstream contracting section 6 arranged at a downstream position, wherein the upstream connecting section 5 is arranged in front of the gate 4, and the downstream contracting section 6 is arranged behind the overflow weir 12.
The slope of one-level desilting pond 7 is less than second grade desilting pond 9, and the slope of second grade desilting pond 9 is less than tertiary desilting pond 11, and through the reduction to the desilting pond slope and carry out the classification to different particle diameter silt, the slope is different and then the velocity of flow is different, is favorable to the different particle diameters of silt to deposit respectively.
The bottom of one-level desilting pond 7, second grade desilting pond 9 and tertiary desilting pond 11 all is equipped with sill 13, and sill 13 equidistance sets up, increases the turbulent phenomenon of rivers, and then has improved the precipitation efficiency of silt.
The horizontal position of the overflow weir 12 is higher than the bottoms of the first-stage sand basin 7, the second-stage sand basin 9 and the third-stage sand basin 11, and the lower the suction height of the water flow overflowing through the overflow weir 12 is, the smaller the sand content of the water flow flowing out of each stage of sand basin is.
The upstream connecting section 5 is a diffusion section, the upstream connecting section 5 is in a unilateral diffusion shape, river water is guided through a diffusion angle, inlet silting caused by too fast change of water flow speed is prevented, the downstream telescopic section 6 is a contraction section, the downstream contraction section 6 is in a slow contraction shape, the water flow speed is increased, and silt moving downwards is promoted.
The working method of the invention comprises the following steps:
when the device is used, river water firstly passes through the upstream connecting section 5, and the upstream connecting section 5 conducts diversion through a diffusion angle, so that the river width is increased, the river flow speed is reduced, and the sedimentation of silt is facilitated; secondly, river water enters the left desilting pool 2 through a first gate 41 or enters the right desilting pool 3 through a second gate 42 to start primary sedimentation, the river water gradually flows through a first-stage desilting pool 7, a second-stage desilting pool 9 and a third-stage desilting pool 11 with different gradients, the flow rate of the water flow is changed by adjusting the gradients of the first-stage desilting pool 7 and the second-stage desilting pool 9, and a first baffle 8 and a second baffle 10 with selectable heights are respectively arranged at the rear positions of the first-stage desilting pool 7 and the second-stage desilting pool 9; river water flows through the primary desilting basin 7, so that overflowed water flows back to the primary desilting basin 7 again through the first baffle 8 as much as possible, sand is removed by utilizing the eccentricity principle, the time of the water flow in the primary desilting basin 7 is prolonged, and the water flow enters the secondary desilting basin 9 through the first baffle 8; river water flows through the secondary desilting basin 9, so that overflowed water flows back to the secondary desilting basin 9 again through the second baffle plate 10 as much as possible, sand is removed by utilizing the eccentricity principle, the time of the water flow in the secondary desilting basin 9 is prolonged, and the water flow enters the tertiary desilting basin 11 through the second baffle plate 10; when river water flows through the overflow weir 12 arranged behind the three-stage desilting basin 11, the lower the suction height of the overflowed water flow is, the smaller the sand content of the water flow flowing out of each stage desilting basin is, and the clearer the obtained water is; finally, the river water slowly shrinks through the downstream shrinkage section 6, so that the silt moves downwards; when dredging is needed, the gate 4 is closed, manual dredging is carried out after the water level is reduced, and the silt with different particle sizes is classified and efficiently utilized; when river water enters a full water period, the left sand settling tank 2 and the right sand settling tank 3 can be used for settling sand at the same time to improve efficiency.
According to the invention, the gradient of the desilting basin is set in a grading manner, and the flow velocities of water flows are different by utilizing different gradients, so that silt can be precipitated step by step according to the particle size; bottom sills 13 are uniformly arranged at the bottom of the desilting tank, and the phenomenon of water flow disorder is increased by arranging the bottom sills 13 so as to better precipitate; a first baffle 8 is arranged between the first-stage sand settling tank 7 and the second-stage sand settling tank 9, a second baffle 10 is arranged between the second-stage sand settling tank 9 and the third-stage sand settling tank 11, and the height of the baffles can be selected according to actual conditions, so that the turbulence of water flow is increased, different stages of sand settling tanks are separated, the deposition time is prolonged, and the sand discharge rate and the sand settling rate are improved; an overflow weir 12 with the horizontal position higher than the bottom of the desilting basin is arranged behind the third-stage desilting basin 11, so that the sand content of water flow flowing out of the desilting basin is smaller; the upstream connecting section 5 is arranged to increase the river width so as to slow down the water flow speed and achieve the purpose of facilitating sediment sedimentation; the downstream contraction section 6 is arranged to increase the water flow speed, so that the downward movement of the sediment is accelerated; the gate 4 is closed, and manual dredging can be carried out after the water level is reduced; divide the river course into left desilting pond 2 and right desilting pond 3 through partition wall 1, be equipped with first gate 41 at 1 front end in left desilting pond, be equipped with second gate 42 at 3 front ends in right desilting pond, can only carry out the desilting to one of them river course when the river course desilting and do not influence another river course and carry out the desilting, can alternate use, the drawback that water conservancy was washed has been avoided, the water economy resource has high-efficiently utilized the sediment that the deposit got off, and the inconvenient desilting's of diversion formula power station characteristics have been solved, the maintenance cost of hydropower station is reduced.
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, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The desilting pond for the alternate use of the fractional precipitation is characterized by comprising a partition wall (1), a left desilting pond (2), a right desilting pond (3) and a gate (4); the partition wall (1) is fixedly arranged in the middle of a river channel, the area on the left side of the partition wall (1) is a left desilting basin (2), and the area on the right side of the partition wall (1) is a right desilting basin (3); the gate (4) comprises a first gate (41) and a second gate (42), the first gate (41) is arranged at the front end of the left desilting pool (2), and the second gate (42) is arranged at the front end of the right desilting pool (3); a primary sand settling tank (7), a secondary sand settling tank (9) and a tertiary sand settling tank (11) are sequentially arranged in the left sand settling tank (2) from left to right, a first baffle (8) is arranged in the middle of the primary sand settling tank (7) and the secondary sand settling tank (9), a second baffle (10) is arranged in the middle of the secondary sand settling tank (9) and the tertiary sand settling tank (11), and an overflow weir (12) is arranged behind the tertiary sand settling tank (11); the left desilting pool (2) and the right desilting pool (3) are symmetrically distributed.
2. The desilting basin for alternate use of fractional precipitation according to claim 1, characterized in that the desilting basin for alternate use of fractional precipitation further comprises an upstream connecting section (5) provided at an upstream position and a downstream contracting section (6) provided at a downstream position, the upstream connecting section (5) being provided in front of the sluice (4), the downstream contracting section (6) being provided behind the overflow weir (12).
3. The desilting basin used alternately for fractional precipitation according to claim 1, characterized in that the gradient of the primary desilting basin (7) is smaller than that of the secondary desilting basin (9), the gradient of the secondary desilting basin (9) being smaller than that of the tertiary desilting basin (11).
4. The desilting basin for alternate use of fractional precipitation according to claim 1, characterized in that the bottoms of the primary desilting basin (7), the secondary desilting basin (9) and the tertiary desilting basin (11) are all provided with sills (13), and the sills (13) are equidistantly arranged.
5. The desilting basin for fractional precipitation alternate use according to claim 1, characterized in that the level of the overflow weir (12) is higher than the bottom of the primary desilting basin (7), the secondary desilting basin (9) and the tertiary desilting basin (11).
6. The sand basin according to claim 2, wherein the upstream connecting section (5) is a diffuser section, the upstream connecting section (5) is a one-sided diffuser section, the downstream expansion section (6) is a constriction section, and the downstream constriction section (6) is a gradually-constricted section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910928887.3A CN110624280A (en) | 2019-09-28 | 2019-09-28 | Sediment basin that hierarchical sediment was used in turn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910928887.3A CN110624280A (en) | 2019-09-28 | 2019-09-28 | Sediment basin that hierarchical sediment was used in turn |
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| Publication Number | Publication Date |
|---|---|
| CN110624280A true CN110624280A (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910928887.3A Pending CN110624280A (en) | 2019-09-28 | 2019-09-28 | Sediment basin that hierarchical sediment was used in turn |
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| CN (1) | CN110624280A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112176943A (en) * | 2020-09-16 | 2021-01-05 | 浙江省水利河口研究院(浙江省海洋规划设计研究院) | Negative-pressure sand discharge device and method utilizing tidal energy |
| CN113893584A (en) * | 2021-11-03 | 2022-01-07 | 三峡大学科技学院 | Double-layer energy dissipation and sand collection channel and method |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87100533A (en) * | 1987-01-26 | 1988-08-10 | 冯宝华 | Prevent that silt from entering the method for reservoir |
| JPH0691108A (en) * | 1992-09-14 | 1994-04-05 | Hitachi Kiden Kogyo Ltd | Wave-motion deposit scraper |
| JPH08311847A (en) * | 1995-05-16 | 1996-11-26 | Kazuhiro Umada | Baffle pier with blade-like sill type semi-automatic sand flash and intake weir |
| JP2006342519A (en) * | 2005-06-07 | 2006-12-21 | Meiji Rubber & Chem Co Ltd | Rainwater storage tank and bottom member therefor |
| CN203370338U (en) * | 2013-06-26 | 2014-01-01 | 中国轻工业西安设计工程有限责任公司 | Hydraulic conveying fruit-vegetable raw material de-silting basin |
| CN105275049A (en) * | 2014-07-17 | 2016-01-27 | 上海勘测设计研究院有限公司 | Sill structure capable of improving water quality of water intake and application method thereof |
| CN106215470A (en) * | 2016-08-16 | 2016-12-14 | 中电建水环境治理技术有限公司 | Lake, river is gushed polluted bed mud and is processed settling pit and mud-sand separating system |
| CN207468414U (en) * | 2017-09-28 | 2018-06-08 | 上海骏地建筑设计事务所股份有限公司 | A kind of purifier for being used to improve small hydropower station downstream river course natural water |
| CN207532859U (en) * | 2017-11-20 | 2018-06-26 | 吕杰 | Overflow-type water treatment facilities |
| CN108245941A (en) * | 2017-12-29 | 2018-07-06 | 河南省隆邦勘测规划设计工程有限公司 | A kind of silt river water rapid precipitation processing system |
| CN207597340U (en) * | 2017-06-14 | 2018-07-10 | 黄国彰 | Sand prevention runner system |
| CN207774906U (en) * | 2017-11-08 | 2018-08-28 | 北京正和恒基滨水生态环境治理股份有限公司 | Ecoscape water treatment system suitable for the Water warfare containing Shahe |
| CN108729407A (en) * | 2017-04-17 | 2018-11-02 | 吴彦民 | Clear husky device is arrheaed in river double flute hardening riverbed exchange |
| CN108755617A (en) * | 2018-06-01 | 2018-11-06 | 四川旭昊德环保设备有限公司 | A kind of reservoir row silt system and method |
| CN208448718U (en) * | 2018-04-10 | 2019-02-01 | 江苏港峰环境科技有限公司 | A kind of sloping plate deposition case for river regulation |
| CN208893683U (en) * | 2018-05-25 | 2019-05-24 | 武汉美丽东方污泥治理科技有限公司 | A kind of improved hydraulic settling pit |
| CN109914363A (en) * | 2019-04-18 | 2019-06-21 | 上海夕露环境科技有限公司 | The ecology remodeling method of concrete open drain |
-
2019
- 2019-09-28 CN CN201910928887.3A patent/CN110624280A/en active Pending
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87100533A (en) * | 1987-01-26 | 1988-08-10 | 冯宝华 | Prevent that silt from entering the method for reservoir |
| JPH0691108A (en) * | 1992-09-14 | 1994-04-05 | Hitachi Kiden Kogyo Ltd | Wave-motion deposit scraper |
| JPH08311847A (en) * | 1995-05-16 | 1996-11-26 | Kazuhiro Umada | Baffle pier with blade-like sill type semi-automatic sand flash and intake weir |
| JP2006342519A (en) * | 2005-06-07 | 2006-12-21 | Meiji Rubber & Chem Co Ltd | Rainwater storage tank and bottom member therefor |
| CN203370338U (en) * | 2013-06-26 | 2014-01-01 | 中国轻工业西安设计工程有限责任公司 | Hydraulic conveying fruit-vegetable raw material de-silting basin |
| CN105275049A (en) * | 2014-07-17 | 2016-01-27 | 上海勘测设计研究院有限公司 | Sill structure capable of improving water quality of water intake and application method thereof |
| CN106215470A (en) * | 2016-08-16 | 2016-12-14 | 中电建水环境治理技术有限公司 | Lake, river is gushed polluted bed mud and is processed settling pit and mud-sand separating system |
| CN108729407A (en) * | 2017-04-17 | 2018-11-02 | 吴彦民 | Clear husky device is arrheaed in river double flute hardening riverbed exchange |
| CN207597340U (en) * | 2017-06-14 | 2018-07-10 | 黄国彰 | Sand prevention runner system |
| CN207468414U (en) * | 2017-09-28 | 2018-06-08 | 上海骏地建筑设计事务所股份有限公司 | A kind of purifier for being used to improve small hydropower station downstream river course natural water |
| CN207774906U (en) * | 2017-11-08 | 2018-08-28 | 北京正和恒基滨水生态环境治理股份有限公司 | Ecoscape water treatment system suitable for the Water warfare containing Shahe |
| CN207532859U (en) * | 2017-11-20 | 2018-06-26 | 吕杰 | Overflow-type water treatment facilities |
| CN108245941A (en) * | 2017-12-29 | 2018-07-06 | 河南省隆邦勘测规划设计工程有限公司 | A kind of silt river water rapid precipitation processing system |
| CN208448718U (en) * | 2018-04-10 | 2019-02-01 | 江苏港峰环境科技有限公司 | A kind of sloping plate deposition case for river regulation |
| CN208893683U (en) * | 2018-05-25 | 2019-05-24 | 武汉美丽东方污泥治理科技有限公司 | A kind of improved hydraulic settling pit |
| CN108755617A (en) * | 2018-06-01 | 2018-11-06 | 四川旭昊德环保设备有限公司 | A kind of reservoir row silt system and method |
| CN109914363A (en) * | 2019-04-18 | 2019-06-21 | 上海夕露环境科技有限公司 | The ecology remodeling method of concrete open drain |
Non-Patent Citations (1)
| Title |
|---|
| 张治滨等: "《水电站建筑物设计参考资料》", 30 June 1997 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112176943A (en) * | 2020-09-16 | 2021-01-05 | 浙江省水利河口研究院(浙江省海洋规划设计研究院) | Negative-pressure sand discharge device and method utilizing tidal energy |
| CN113893584A (en) * | 2021-11-03 | 2022-01-07 | 三峡大学科技学院 | Double-layer energy dissipation and sand collection channel and method |
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Application publication date: 20191231 |
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