CN112246012A - Reverse type forward weir sand removing system - Google Patents
Reverse type forward weir sand removing system Download PDFInfo
- Publication number
- CN112246012A CN112246012A CN202011144264.6A CN202011144264A CN112246012A CN 112246012 A CN112246012 A CN 112246012A CN 202011144264 A CN202011144264 A CN 202011144264A CN 112246012 A CN112246012 A CN 112246012A
- Authority
- CN
- China
- Prior art keywords
- sand
- side wall
- water
- channel
- clear water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004576 sand Substances 0.000 title claims abstract description 92
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 127
- 102000010637 Aquaporins Human genes 0.000 claims abstract description 43
- 108010063290 Aquaporins Proteins 0.000 claims abstract description 43
- 238000004140 cleaning Methods 0.000 claims abstract description 29
- 238000003860 storage Methods 0.000 claims abstract description 23
- 230000001105 regulatory Effects 0.000 claims abstract description 18
- 230000000875 corresponding Effects 0.000 claims description 33
- 239000010813 municipal solid waste Substances 0.000 claims description 23
- 238000009434 installation Methods 0.000 claims description 12
- 238000005086 pumping Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000003973 irrigation Methods 0.000 description 3
- 230000002262 irrigation Effects 0.000 description 3
- 239000003621 irrigation water Substances 0.000 description 3
- 230000003247 decreasing Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000009287 sand filtration Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Other filtering devices; Auxiliary devices for filtration; Filter housing constructions
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
Abstract
The invention relates to the technical field of sediment treatment, in particular to a reverse type forward weir sand removal system which comprises a sand settling device, a clean water tank and a sand storage tank, wherein the sand settling device comprises a sand settling tank, a clean water channel, a clean water platform, a forward weir and a sand discharge gate, the sand settling tank comprises a sand settling tank bottom plate, a left side wall and a right side wall, the left side of the sand settling tank bottom plate is fixedly provided with the left side wall, and the right side of the sand settling tank bottom plate is fixedly provided with the right side wall. The invention has reasonable and compact structure and ingenious conception, and completes the settlement of bed load and suspended load in the natural incoming water by arranging the sand settling device, so that the upper layer of the natural incoming water is clear water; by arranging the clear water platform and the forward weir, after the clear water level below the clear water platform is higher than the forward weir, the clear water flows into the clear water platform through the forward weir in a reverse mode and enters the clear water channel; the flow regulating plate is arranged to realize the steady flow of the natural incoming water which is introduced into the desilting basin from the water in the natural river channel or the main channel or the branch channel through the water diversion channel, and the device has the characteristics of reliability, low cost, easy construction and good desilting effect.
Description
Technical Field
The invention relates to the technical field of silt treatment, in particular to a reverse-rotating forward weir sand removal system.
Background
In the field of agricultural drip irrigation, drip irrigation water must be treated through links such as precipitation, filtration and the like before entering a drip irrigation pipe network. In each treatment link, a corresponding filtering and sand settling facility is designed and built according to indexes such as the silt content of natural incoming water, the irrigation water consumption and the like, so that the silt of the river water is settled, and the silt content of the natural river water meets the requirement of drip irrigation water distribution; in addition, the existing silt sediment facility can not well solve the problem of sediment precipitation of suspended sediment in the natural incoming water.
Disclosure of Invention
The invention provides a reverse-rotating forward weir sand removal system, which overcomes the defects of the prior art and can effectively solve the problem of poor sand settling effect of the conventional sand filtration and settling facility.
The technical scheme of the invention is realized by the following measures: a reverse-rotation forward weir sand removal system comprises a sand settling device, a clean water tank and a sand storage tank, wherein the sand settling device comprises a sand settling tank, a clean water channel, a clean water platform, a forward weir and a sand discharge gate; the upper side of the rear part of the left side wall is provided with an installation opening, a clear water channel with the left end positioned at the left side of the desilting pool is fixedly installed in the installation opening, the clear water channel comprises a clear water channel bottom plate, a front side wall and a rear side wall, the left side of the left side wall corresponding to the front side position of the installation opening is fixedly provided with the front side wall, the left side of the right side wall corresponding to the rear side position of the installation opening is fixedly provided with the rear side wall, a clear water channel bottom plate with the right end fixedly installed together with the left side corresponding position of the right side wall is fixedly installed between the lower side of the front side wall and the lower side of the rear side wall, a clear water platform is fixedly installed together with the left side corresponding position of the left side wall and the right side corresponding position of the right side; a forward weir is fixedly arranged at the front end of the upper side of the clean water platform, and a sand discharge gate is arranged between the left side wall and the right side wall corresponding to the rear position of the clean water channel; the clear water tank is arranged at the left end of the clear water channel, and the sand storage tank is arranged at the rear end of the sand settling tank.
The following is further optimization or/and improvement of the technical scheme of the invention:
the device also comprises a main channel and a diversion channel, wherein the main channel is arranged in front of the desilting basin, the diversion channel which can enable the main channel and the desilting basin to be communicated is arranged between the main channel and the desilting basin, and the width of the desilting basin is larger than that of the diversion channel.
The water diversion channel further comprises a first water inlet gate, a second water inlet gate, a first trash rack, a second trash rack and a third trash rack, the first trash rack and the first water inlet gate are arranged on the front inner side of the front portion of the water diversion channel at intervals, the second trash rack and the second water inlet gate are arranged on the rear inner side of the rear portion of the water diversion channel at intervals, and the third trash rack is arranged between the left portion of the front side wall and the left portion of the rear side wall.
The sand settling device can also comprise a flow regulating plate, wherein the flow regulating plate is arranged between the left side wall and the right side wall corresponding to the front position of the clear water platform, and at least one flow regulating hole is formed in the flow regulating plate.
The clear water channel can also comprise a first stress beam and a second stress beam, the lower side of the clear water channel bottom plate corresponding to the front side plate position is fixedly provided with the first stress beam fixedly installed between the left side wall and the right side wall, and the lower side of the clear water channel bottom plate corresponding to the rear side plate position is fixedly provided with the second stress beam fixedly installed between the left side wall and the right side wall.
The sand storage pool can further comprise a drainage channel and a drainage gate, the outer side of the sand storage pool is provided with a drainage port which is communicated with the inside and the outside, the drainage channel which can be communicated with the sand storage pool is arranged on the outer side of the sand storage pool corresponding to the drainage port, and the drainage gate is arranged at the drainage port.
The clean water tank can also comprise a water delivery pipeline, and the outside of the clean water tank is provided with the water delivery pipeline which can be communicated with the clean water tank.
The device also comprises a pump station, and the water pipeline is provided with the pump station.
The invention has reasonable and compact structure and ingenious conception, and completes the settlement of bed load and suspended load in the natural incoming water by arranging the sand settling device, so that the upper layer of the natural incoming water is clear water; by arranging the clear water platform and the forward weir, after the clear water level below the clear water platform is higher than the forward weir, the clear water flows into the clear water platform through the forward weir in a reverse mode and enters the clear water channel; the flow regulating plate is arranged to realize the steady flow of the natural incoming water which is introduced into the desilting basin from the water in the natural river channel or the main channel or the branch channel through the water diversion channel; through setting up the trash rack, avoid debris to get into clear water ditch low reaches facility, have reliable, with low costs, easily build and the effectual characteristics of desilting.
Drawings
Fig. 1 is a schematic top view of the preferred embodiment of the present invention.
Fig. 2 is a schematic top view of the sand settling device shown in fig. 1.
FIG. 3 is a schematic cross-sectional view at A-A of FIG. 2.
Fig. 4 is a schematic perspective view of fig. 2.
The codes in the figures are respectively: the device comprises a sand basin bottom plate 1, a left side wall 2, a right side wall 3, a clear water channel bottom plate 4, a front side wall 5, a rear side wall 6, a forward weir 7, a sand discharge gate 8, a flow regulating plate 9, a flow regulating hole 10, a third trash rack 11, a first stress beam 12, a second stress beam 13, a clear water tank 14, a sand storage tank 15, a first trash rack 16, a second trash rack 17, a first water inlet gate 18, a second water inlet gate 19, a water discharge gate 20, a water discharge channel 21, a water diversion channel 22, a main channel 23, a water conveying pipeline 24 and a pump station 25.
Detailed Description
The present invention is not limited by the following examples, and specific embodiments may be determined according to the technical solutions and practical situations of the present invention.
In the present invention, for convenience of description, the description of the relative positional relationship of the components is described according to the layout pattern of fig. 1 of the specification, such as: the positional relationship of front, rear, upper, lower, left, right, etc. is determined in accordance with the layout direction of fig. 1 of the specification.
The invention is further described with reference to the following examples and figures:
as shown in the attached drawings 1, 2, 3 and 4, the reverse-rotation forward weir sand removal system comprises a sand settling device, a clean water tank 14 and a sand storage tank 15, wherein the sand settling device comprises a sand settling tank, a clean water channel, a clean water platform, a forward weir 7 and a sand discharge gate 8, the sand settling tank comprises a sand settling tank bottom plate 1, a left side wall 2 and a right side wall 3, the left side of the sand settling tank bottom plate 1 is fixedly provided with the left side wall 2, and the right side of the sand settling tank bottom plate 1 is fixedly provided with the right side wall 3; the upper side of the rear part of the left side wall 2 is provided with an installation opening, a clear water channel with the left end positioned at the left side of the desilting basin is fixedly installed in the installation opening, the clear water channel comprises a clear water channel bottom plate 4, a front side wall 5 and a rear side wall 6, the left side of the left side wall 2 corresponding to the front side position of the installation opening is fixedly provided with the front side wall 5, the left side of the right side wall 3 corresponding to the rear side position of the installation opening is fixedly provided with the rear side wall 6, a clear water channel bottom plate 4 with the right end fixedly installed together with the corresponding position of the left side of the right side wall 3 is fixedly installed between the lower side of the front side wall 5 and the lower side of the rear side wall 6, a clear water platform is fixedly installed at the front side of the clear water channel bottom plate 4 corresponding to the position between the left side wall 2 and the right; a forward weir 7 is fixedly arranged at the front end of the upper side of the clean water platform, and a sand discharge gate 8 is arranged between the left side wall 2 and the right side wall 3 corresponding to the rear position of the clean water channel; the left end of the clear water channel is provided with a clear water tank 14, and the rear end of the sand settling tank is provided with a sand storage tank 15. In the using process, water in a natural river channel or a main channel or a branch channel is introduced into the desilting basin through the water guide channel 22, when the incoming water enters the desilting basin, firstly, bed load is precipitated and precipitated according to the sequence of the particle size increasing first and then decreasing, when suspended load silt is pushed to the area below the clear water platform, the incoming water flow velocity gradually approaches zero, then the suspended load silt is accelerated to precipitate, the incoming water level in the desilting basin gradually rises along with the time, the precipitated upper clear water of the incoming water is reversed forwards from the direction below the clear water platform and flows over the forward weir 7, then the clear water enters the clear water channel through the clear water platform and then is stored in the clear water basin 14, and the desilting treatment of the natural incoming water is realized; in addition, when the sand cleaning operation of the sand basin is needed, the sand discharge gate 8 is only needed to be opened, the sediment deposited in the sand basin can be discharged out of the sand basin along with the natural incoming water and enters the sand storage basin 15, and the sand discharge period is determined by a physical model simulation test according to the incoming water condition, the clear water consumption and other parameters. According to the requirement, the rear part of the desilting basin is the downstream, and the left part of the clear water channel is the downstream.
The reverse-type forward weir sand removing system can be further optimized or/and improved according to actual needs:
as shown in fig. 1, 2, 3 and 4, the sand basin further comprises a main canal 23 and an aqueduct 22, the main canal 23 is arranged in front of the sand basin, the aqueduct 22 which can enable the main canal 23 and the sand basin to be communicated is arranged between the main canal 23 and the sand basin, and the width of the sand basin is larger than that of the aqueduct 22. During the use process, the arrangement is convenient for leading the natural incoming water in the main canal 23 into the sand-settling device through the water-guiding canal 22 to achieve the sand settling of the natural incoming water. The main canal 23 may be an existing river or main canal or branch canal, as desired.
As shown in fig. 1, 2, 3 and 4, the sewage treatment system further comprises a first water inlet gate 18, a second water inlet gate 19, a first trash rack 16, a second trash rack 17 and a third trash rack 11, wherein the first trash rack 16 and the first water inlet gate 18 are arranged on the front inner side and the rear inner side of the front portion of the diversion canal 22 at intervals, the second trash rack 17 and the second water inlet gate 19 are arranged on the rear inner side and the front inner side of the rear portion of the diversion canal 22 at intervals, and the third trash rack 11 is arranged between the left portion of the front side wall 5 and the left portion of the rear side wall 6. In the use process, as the clear water channel and the water channel 22 are too long and are in an open air state after being built, the trash rack is arranged to prevent sundries such as leaves, weeds, mulching films and the like from falling into downstream facilities; the sand settling device is convenient to open and close by arranging the first water inlet gate 18 and the second water inlet gate 19.
As shown in fig. 1, 2, 3 and 4, the sand settling device further comprises a flow regulating plate 9, the flow regulating plate 9 is arranged between the left side wall 2 and the right side wall 3 corresponding to the front position of the clean water platform, and at least one flow regulating hole 10 is arranged on the flow regulating plate 9. In the use process, the flow regulating plate 9 is arranged to realize the steady flow of the natural incoming water which is introduced into the desilting basin from the water in the natural river channel or the main canal or the branch canal through the water diversion canal 22. In the use process, the flow regulating plate 9 is arranged to realize the steady flow of the natural incoming water which is introduced into the desilting basin from the water in the natural river channel or the main canal or the branch canal through the water diversion canal 22.
As shown in fig. 1, 2, 3 and 4, the clear water channel further includes a first stress beam 12 and a second stress beam 13, the first stress beam 12 fixedly installed between the left wall 2 and the right wall 3 is fixedly installed at the lower side of the clear water channel bottom plate 4 corresponding to the front side plate, and the second stress beam 13 fixedly installed between the left wall 2 and the right wall 3 is fixedly installed at the lower side of the clear water channel bottom plate 4 corresponding to the rear side plate. In the use process, the first stress beam 12 and the second stress beam 13 are arranged to support the load on the clean water platform and the clean water channel bottom plate 4.
As shown in fig. 1, 2, 3 and 4, the sand storage tank 15 further comprises a drainage channel 21 and a drainage gate 20, wherein a drainage port is arranged outside the sand storage tank 15 and is through from inside to outside, the drainage channel 21 which can be communicated with the sand storage tank 15 is arranged outside the sand storage tank 15 corresponding to the drainage port, and the drainage gate 20 is arranged at the drainage port. In the use, through such setting, be convenient for clear up the silt in retaining sand pond 15.
As shown in fig. 1, 2, 3 and 4, the device further comprises a water conveying pipeline 24, and the outside of the clean water basin 14 is provided with the water conveying pipeline 24 capable of being communicated with the clean water basin. In use, the arrangement is such that the fresh water stored in the fresh water basin 14 is used in a drip irrigation pipe network or other pipeline requiring natural incoming water.
As shown in fig. 1, 2, 3 and 4, the device further comprises a pump station 25, and the water pipeline 24 is provided with the pump station 25. In the use, satisfy the high water delivery of water of relief through setting up pump station 25.
The above technical features constitute the best embodiment of the present invention, which has strong adaptability and best implementation effect, and unnecessary technical features can be increased or decreased according to actual needs to meet the requirements of different situations.
Claims (10)
1. A reverse-rotation forward weir sand removal system is characterized by comprising a sand settling device, a clean water tank and a sand storage tank, wherein the sand settling device comprises a sand settling tank, a clean water channel, a clean water platform, a forward weir and a sand discharge gate; the upper side of the rear part of the left side wall is provided with an installation opening, a clear water channel with the left end positioned at the left side of the desilting pool is fixedly installed in the installation opening, the clear water channel comprises a clear water channel bottom plate, a front side wall and a rear side wall, the left side of the left side wall corresponding to the front side position of the installation opening is fixedly provided with the front side wall, the left side of the right side wall corresponding to the rear side position of the installation opening is fixedly provided with the rear side wall, a clear water channel bottom plate with the right end fixedly installed together with the left side corresponding position of the right side wall is fixedly installed between the lower side of the front side wall and the lower side of the rear side wall, a clear water platform is fixedly installed together with the left side corresponding position of the left side wall and the right side corresponding position of the right side; a forward weir is fixedly arranged at the front end of the upper side of the clean water platform, and a sand discharge gate is arranged between the left side wall and the right side wall corresponding to the rear position of the clean water channel; the clear water tank is arranged at the left end of the clear water channel, and the sand storage tank is arranged at the rear end of the sand settling tank.
2. The system of claim 1, further comprising a main channel and an aqueduct, wherein the main channel is disposed in front of the desilting basin, the aqueduct is disposed between the main channel and the desilting basin for communicating the main channel and the desilting basin, and the width of the desilting basin is greater than the width of the aqueduct.
3. The reverse-rotating forward weir sand removal system according to claim 2, further comprising a first inlet sluice, a second inlet sluice, a first trash rack, a second trash rack and a third trash rack, wherein the first trash rack and the first inlet sluice are arranged at intervals in front of and behind the inner side of the front portion of the inlet channel, the second trash rack and the second inlet sluice are arranged at intervals in front of and behind the inner side of the rear portion of the inlet channel, and the third trash rack is arranged between the left portion of the front wall and the left portion of the rear wall.
4. The system of claim 1, 2 or 3, wherein the desilting apparatus further comprises a flow regulating plate, and the flow regulating plate is disposed between the left side wall and the right side wall corresponding to the front position of the clean water platform, and the flow regulating plate is provided with at least one flow regulating hole.
5. A reverse-rotating forward weir sand removing system according to claim 1, 2 or 3, wherein the clear water channel further comprises a first stress beam and a second stress beam, the first stress beam fixedly installed between the left side wall and the right side wall is fixedly installed on the lower side of the clear water channel bottom plate corresponding to the front side plate, and the second stress beam fixedly installed between the left side wall and the right side wall is fixedly installed on the lower side of the clear water channel bottom plate corresponding to the rear side plate.
6. The reverse-rotating forward weir sand removal system according to claim 4, wherein the clear water channel further comprises a first stress beam and a second stress beam, the first stress beam fixedly installed between the left wall and the right wall is fixedly installed on the lower side of the clear water channel bottom plate corresponding to the front side plate, and the second stress beam fixedly installed between the left wall and the right wall is fixedly installed on the lower side of the clear water channel bottom plate corresponding to the rear side plate.
7. A reverse-rotating forward weir sand removing system according to claim 1, 2, 3 or 6 further comprising a water discharge channel and a water discharge gate, wherein a water discharge port is arranged outside the sand storage tank, the water discharge port is communicated with the sand storage tank, the water discharge channel is arranged outside the sand storage tank corresponding to the water discharge port, and the water discharge gate is arranged at the water discharge port.
8. A reverse-rotating forward weir sand removing system according to claim 4 or 5, further comprising a water discharge channel and a water discharge gate, wherein a water discharge port is arranged outside the sand storage pool and is communicated with the inside and the outside, a water discharge channel capable of communicating with the sand storage pool is arranged outside the sand storage pool corresponding to the water discharge port, and a water discharge gate is arranged at the water discharge port.
9. A reverse rotating forward weir sand removal system as claimed in claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 further comprising a water delivery line, the outside of the clean water basin being provided with a water delivery line capable of communicating therewith.
10. A reverse rotating forward weir sand removal system as claimed in claim 9 further comprising pumping stations, the water pipeline being provided with pumping stations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011144264.6A CN112246012A (en) | 2020-10-23 | 2020-10-23 | Reverse type forward weir sand removing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011144264.6A CN112246012A (en) | 2020-10-23 | 2020-10-23 | Reverse type forward weir sand removing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112246012A true CN112246012A (en) | 2021-01-22 |
Family
ID=74263619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011144264.6A Pending CN112246012A (en) | 2020-10-23 | 2020-10-23 | Reverse type forward weir sand removing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112246012A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203483967U (en) * | 2013-08-13 | 2014-03-19 | 济钢集团国际工程技术有限公司 | Emulsion circulating device |
| CN104818686A (en) * | 2015-03-20 | 2015-08-05 | 河海大学 | Reservoir dam break simulation experiment device |
| CN108211431A (en) * | 2017-10-13 | 2018-06-29 | 常熟简尚信息科技有限公司 | A kind of novel pulverized limestone filter device |
| CN208372635U (en) * | 2018-05-23 | 2019-01-15 | 赵阳 | A kind of sponge municipal water treatment systems |
| CN110478977A (en) * | 2019-09-12 | 2019-11-22 | 济南大学 | A kind of spiral flow is from sand draining type desilting filtering ponds |
| CN210186599U (en) * | 2019-03-15 | 2020-03-27 | 昆明理工大学 | Flushing type sand basin |
-
2020
- 2020-10-23 CN CN202011144264.6A patent/CN112246012A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203483967U (en) * | 2013-08-13 | 2014-03-19 | 济钢集团国际工程技术有限公司 | Emulsion circulating device |
| CN104818686A (en) * | 2015-03-20 | 2015-08-05 | 河海大学 | Reservoir dam break simulation experiment device |
| CN108211431A (en) * | 2017-10-13 | 2018-06-29 | 常熟简尚信息科技有限公司 | A kind of novel pulverized limestone filter device |
| CN208372635U (en) * | 2018-05-23 | 2019-01-15 | 赵阳 | A kind of sponge municipal water treatment systems |
| CN210186599U (en) * | 2019-03-15 | 2020-03-27 | 昆明理工大学 | Flushing type sand basin |
| CN110478977A (en) * | 2019-09-12 | 2019-11-22 | 济南大学 | A kind of spiral flow is from sand draining type desilting filtering ponds |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107587580A (en) | A kind of band surge bottom-open type weir gate and pump row drainage system and water discharge control method | |
| CN103628561B (en) | Rain sewage float and sediment separation treatment all-in-one machine | |
| CN203640042U (en) | Rain sewage floatage and silt separating and treating all-in-one machine | |
| CN210086451U (en) | Multiple-effect multiplication regulation and storage tank | |
| CN105625555B (en) | A kind of rainwater shunting of combined system, regulate and store and processing system | |
| CN207436200U (en) | A kind of shunting well with downflow weir and the drainage system including the shunting well | |
| CN112246012A (en) | Reverse type forward weir sand removing system | |
| CN212175983U (en) | Underground rainwater and muddy water shunt tube net structure | |
| CN202730707U (en) | Initial-stage rainwater intercepting and shunting as well as later-stage rainwater separating system for flood drainage river channel | |
| CN107842088A (en) | A kind of drainage system and water discharge control method with regulate and store facility and online treatment facility | |
| CN213699114U (en) | Reverse type forward weir desilting basin | |
| CN107806154A (en) | A kind of drainage system and water discharge control method with online treatment facility | |
| CN207760985U (en) | A kind of band surges the drainage system of bottom-open type weir gate and pump row | |
| CN110478977B (en) | Spiral flow is from arranging husky formula desilting filtering ponds | |
| CN206980282U (en) | Feed ditch pollution treatment device and feed ditch pollution treatment system | |
| CN106592748A (en) | Storage and utilization system for underwater initial rainwater | |
| CN207436183U (en) | A kind of carry cuts dirty pipe, a drainage system for regulate and store facility and online treatment facility | |
| CN208472830U (en) | A kind of hillside fields rainwater-collecting gravity irrigation device on the spot | |
| CN207436176U (en) | A kind of drainage system with online treatment facility | |
| CN105649142A (en) | Zone partition rainwater flow dividing, regulating, storing and treating system based on mixed flow pipe network | |
| CN105178425A (en) | Flood-drainage, water-supplementing and water-changing pump station junction design for cities and towns | |
| CN212835836U (en) | Regulation system based on channel | |
| CN107605005A (en) | A kind of drainage system and water discharge control method arranged with waterpower non-return weir gate and pump | |
| CN207436181U (en) | A kind of drainage system with double pump row | |
| CN107806153B (en) | Road rainwater treatment system and control method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |