CN210356330U - Desilting basin - Google Patents
Desilting basin Download PDFInfo
- Publication number
- CN210356330U CN210356330U CN201921053984.4U CN201921053984U CN210356330U CN 210356330 U CN210356330 U CN 210356330U CN 201921053984 U CN201921053984 U CN 201921053984U CN 210356330 U CN210356330 U CN 210356330U
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- CN
- China
- Prior art keywords
- water
- tank
- retaining wall
- sedimentation tank
- mud
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- 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.)
- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 83
- 238000004062 sedimentation Methods 0.000 claims abstract description 70
- 239000010802 sludge Substances 0.000 claims description 14
- 239000004576 sand Substances 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 11
- 238000005381 potential energy Methods 0.000 description 12
- 230000003139 buffering effect Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model discloses a sand sedimentation tank, which comprises a pre-sedimentation tank and a sedimentation tank, wherein a retaining wall is arranged between the pre-sedimentation tank and the sedimentation tank, the side wall of the retaining wall is obliquely arranged, a mudguard is arranged on the side wall of one side of the retaining wall positioned on the pre-sedimentation tank, a water inlet is arranged at the top of the water inlet side of the pre-sedimentation tank, and the height of the retaining wall is lower than that of the water inlet side of the pre-sedimentation tank; the end of sedimentation tank is provided with the platform of overflowing water, and the platform of overflowing water highly is less than the height of barricade, and its top is provided with first filter screen, and one side of the platform of overflowing water is provided with water drainage tank, and the bottom of sedimentation tank is provided with the mud collecting tank, and the interval between mud collecting tank and the barricade is 2 ~ 3m to the bottom of the pool of sedimentation tank is by barricade downward sloping to mud collecting tank, again by mud collecting tank tilt up to the platform of overflowing water, the bottom in mud collecting tank is provided with the mud pipe of outside discharge silt. The desilting basin adopting the structure can effectively solve the problem of poor desilting effect of the existing desilting basin.
Description
Technical Field
The utility model belongs to the technical field of the water treatment, concretely relates to desilting basin.
Background
The sand content in water in northwest areas is large, and if a micro-irrigation system adopts surface water as a water source, a filtering facility is necessary, and the filtering facility commonly used in the prior art is a desilting basin. The silt that the desilting pond carried through rivers subsides, and the silt in the desilting pond is cleared up regularly behind the rain, utilizes silt, can reduce the waste of land resource to a certain extent. However, most of the water flows in the desilting basin are basically on the same straight line from the water inlet to the water outlet, when the water flow is large, the water flow carrying silt rapidly flows, the flow velocity of the water flow is large, the detention time in the desilting basin is short, the desilting capacity is relatively low, and the purpose of desilting cannot be achieved.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned prior art, the utility model provides a desilting pond to solve the current poor problem of desilting pond desilting effect.
In order to achieve the above purpose, the utility model adopts the technical scheme that: providing a sand sedimentation tank, which comprises a pre-sedimentation tank and a sedimentation tank, wherein a retaining wall is arranged between the pre-sedimentation tank and the sedimentation tank, the side wall of the retaining wall is obliquely arranged, a mudguard is arranged on the side wall of the retaining wall positioned on one side of the pre-sedimentation tank, a water inlet is arranged at the top of the water inlet side of the pre-sedimentation tank, and the height of the retaining wall is lower than that of the water inlet side of the pre-sedimentation tank; the end of sedimentation tank is provided with the platform of overflowing water, and the platform of overflowing water highly is less than the height of barricade, and its top is provided with first filter screen, and one side of the platform of overflowing water is provided with water drainage tank, and the bottom of sedimentation tank is provided with the mud collecting tank, and the interval between mud collecting tank and the barricade is 2 ~ 3m to the bottom of the pool of sedimentation tank is by barricade downward sloping to mud collecting tank, again by mud collecting tank tilt up to the platform of overflowing water, the bottom in mud collecting tank is provided with the mud pipe of outside discharge silt.
The utility model is provided with the mudguard on the side wall of the water outlet side of the pre-settling tank, the mudguard can effectively reduce the flow potential energy of the water flow containing sand, reduce the disturbance of the water flow in the pre-settling tank and ensure that the pre-settling effect of the sand is better; and the fender can increase the deposition area of rivers, and the deposition effect further increases, and through the preliminary sedimentation back in the preliminary sedimentation pond, mud content in the mud rivers reduces by a wide margin. The utility model discloses be provided with the overflow platform at the sedimentation tank end, the overflow platform has certain width and top level, can effectively reduce the whole velocity of flow and potential energy of rivers, makes the steady slow flow of rivers in the sedimentation tank, and the sedimentation of rivers in the sedimentation tank is more thorough, and the settlement effect is better.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
Furthermore, the water inlet side of the pre-settling tank is obliquely arranged, and the inclination angle of the pre-settling tank is 30-45 degrees.
The utility model discloses the side slope setting of intaking of well preliminary sedimentation pond, after the slope buffering, the potential energy that contains mud rivers reduces, can not cause big disturbance to existing rivers in the preliminary sedimentation pond, and the sedimentation effect is better.
Furthermore, the mudguard is arranged on the side wall of the retaining wall in a downward inclined mode, and the included angle between the mudguard and the side wall of the retaining wall is 30-60 degrees.
The utility model provides a fender downward sloping setting, the silt of deposit on the fender can automatic landing to the preliminary sedimentation tank bottom, has reduced the washing degree of difficulty of fender.
Furthermore, the fender transversely sets up on the lateral wall of barricade, and its length is the same with the length of barricade, and the width is 40 ~ 60 cm.
Furthermore, the mud guard is provided with two rows at least, and the distance between every two rows of mud guards is 0.5-1 m.
The fender is provided with the multirow, can reduce the potential energy that contains mud rivers step by step to deposit layer upon layer, the preliminary sedimentation effect of silt is better.
Further, a second filter screen is vertically arranged at the top of the retaining wall.
The second filter screen at the top of the retaining wall can prevent sundries in the pre-settling tank from entering the settling tank along with water flow.
Furthermore, the width of the flood table is 1-2 m.
Further, the slope of the bottom of the pond between the retaining wall and the sludge collecting groove is not less than 5 percent.
Further, the slope of the bottom of the pool between the flood platform and the sludge collecting groove is not less than 10%.
The utility model has the advantages that:
the utility model discloses a set up the fender in the preliminary sedimentation tank and set up the water platform of overflowing at the sedimentation tank end, can effectively reduce the flow potential energy of rivers, make the flow that contains sand rivers steady slow in preliminary sedimentation tank and sedimentation tank, the silt in the rivers is effectively subsided, can directly get into the micro-irrigation system from the water drainage tank exhaust water and irrigate.
Drawings
Fig. 1 is a sectional view of the sand basin of the present invention;
wherein, 1, a pre-settling tank; 2. a sedimentation tank; 3. retaining walls; 4. a fender; 5. a water inlet; 6. a sludge collection tank; 7. a water overflowing table; 8. a water discharge tank; 9. a first filter screen; 10. and a second filter screen.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
In the embodiment of the utility model, as shown in fig. 1, a sand basin is provided, the sand basin of the utility model comprises two mutually independent water basins, as shown in fig. 1, a pre-settling basin 1 and a settling basin 2 are respectively arranged from the water inlet end to the water outlet end, the pre-settling basin 1 and the settling basin 2 are separated by a retaining wall 3, the retaining wall 3 is of a concrete structure, the length of the retaining wall is the same as the width of the sand basin, and the two ends of the retaining wall 3 are hermetically connected with the side wall of the sand basin; in addition, the side wall of the retaining wall 3 is obliquely arranged, so that the retaining wall 3 is integrally trapezoidal, and the included angle between the side wall of the retaining wall 3 and the horizontal plane is 60-80 degrees; the top of the water inlet side of the pre-settling tank 1 is provided with a water inlet 5, and the height of the retaining wall 3 is lower than that of the water inlet side of the pre-settling tank 1. In order to improve the sedimentation effect of the pre-sedimentation tank 1 on silt in water, a fender 4 is arranged on the side wall of the retaining wall 3, which is positioned on one side of the pre-sedimentation tank 1, the fender 4 is transversely arranged on the side wall of the retaining wall 3 in a bonding mode and the like, at least two rows of fenders 4 are arranged, the length of each row of fenders is equal to that of the retaining wall 3, the width of each row of fenders is 40-60 cm, and the distance between every two rows of fenders 4 is 0.5-1 m; mud guard 4 can incline the setting up, also can the level set up, but for the convenience of silt is to the bottom deposit of preliminary sedimentation tank 1 the utility model discloses a preferred embodiment, as shown in fig. 1, set up mud guard 4 slope down on the lateral wall of barricade 3, and the contained angle between mud guard 4 and the 3 lateral walls of barricade is 30 ~ 60, carry silt rivers from water inlet 5 inflow preliminary sedimentation tank 1 after, the mud guard 4 of slope down can effectively slow down the flow potential energy of rivers, sedimentation effect is better, and simultaneously, mud guard 4 has increased the area of the contact of rivers with the platform, after deposiing step by step, the sand content greatly reduced in the rivers. In addition, in order to slow down the potential energy of the water flow entering the pre-settling tank 1, the water inlet side of the pre-settling tank 1 is preferably arranged in an inclined mode, the inclined angle of the water inlet side of the pre-settling tank 1 is controlled to be 30-45 degrees, the potential energy of the water flow carrying silt is reduced after slope buffering, large disturbance to the existing water flow in the pre-settling tank 1 cannot be caused, and the settling effect is better.
In another preferred embodiment of the present invention, in order to prevent the impurities in the pre-settling tank 1 from entering the settling tank 2 along with the water flow, a second strainer 10 is disposed on the top of the retaining wall 3, and the second strainer 10 is vertically fixed on the top of the retaining wall 3.
The length of the sedimentation tank 2 is greater than that of the pre-sedimentation tank 1 (the left-to-right direction in fig. 1 is the length direction), the tail end of the sedimentation tank 2 is provided with a water overflowing table 7, and one side of the water overflowing table 7 is provided with a drainage groove 8; the length of the water overflowing table 7 is the same as the width of the sedimentation tank 2, the width of the water overflowing table is 1-2 m, the height of the water overflowing table 7 is lower than that of the retaining wall 3, and the top of the water overflowing table 7 is horizontal; water flows through the top of the overflow platform 7, the overflow platform 7 can reduce the speed and potential energy of the water flow when further settling the water flow, the water flow smoothly moves forward in the sedimentation tank 2, and sediment in the water flow is more thoroughly settled. In addition, in order to avoid that sundries falling into the sedimentation tank 2 enter the drainage groove 8 along with water flow, a first filter screen 9 is arranged at the top of the water overflowing table 7, and the first filter screen 9 is vertically fixed at the top of the water overflowing table 7.
The bottom of the sedimentation tank 2 is provided with a sludge collecting groove 6, the whole sludge collecting groove 6 is in an inverted trapezoid shape, and the width of the bottom of the sludge collecting groove 6 is 30-50 cm; the distance between the sludge collecting groove 6 and the bottom of the retaining wall 3 is 2-3 m, the distance between the sludge collecting groove 6 and the overflowing platform 7 is 15-20 m, the bottom of the sedimentation tank 2 is downwards inclined to the sludge collecting groove 6 through the retaining wall 3, then is upwards inclined to the overflowing platform 7 through the sludge collecting groove 6, and a sludge discharge pipe for discharging silt outwards is arranged at the bottom of the sludge collecting groove 6. In a preferred embodiment of the present invention, for the silt deposited at the bottom of the sedimentation basin 2 slides to the mud collecting groove 6, the slope of the bottom of the basin between the retaining wall 3 and the mud collecting groove 6 is set to be not less than 5%, and the slope of the bottom of the basin between the water overflowing platform 7 and the mud collecting groove 6 is set to be not less than 10%.
The utility model discloses a silt basin is at the during operation, with mud-containing rivers from water inlet 5 leading-in the preliminary sedimentation pond 1, mud-containing rivers are cushioned through the side slope of intaking of preliminary sedimentation pond 1, get into preliminary sedimentation pond 1 with lower potential energy, fender 4 further reduces the flow potential energy of rivers simultaneously, mud-containing rivers can not have big disturbance in preliminary sedimentation pond 1, the silt of bigger granule in the sand-containing rivers subsides in the bottom of preliminary sedimentation pond 1; then the water flows overflow from the top of the retaining wall 3 and enter the sedimentation tank 2 for further sedimentation, the water flows after sedimentation pass through the top of the overflow platform 7, and the overflow platform 7 has a certain width and is horizontal at the top, so that the overall flow rate and potential energy of the water flows can be effectively reduced, the water flows stably and slowly flow in the sedimentation tank 2, the sedimentation of the water flows in the sedimentation tank 2 is more thorough, and the sedimentation effect is better; the silt deposited in the sedimentation tank 2 slides to the silt collecting groove 6 through the west slope at the bottom of the tank, and then is discharged through a mud pipe at the end part of the silt collecting groove 6, so that the sedimentation treatment of the silt-containing water flow can be completed.
While the present invention has been described in detail and with reference to the accompanying drawings, it is not to be considered as limited to the scope of the invention. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.
Claims (9)
1. A desilting basin is characterized in that: the device comprises a pre-settling tank (1) and a settling tank (2), wherein a retaining wall (3) is arranged between the pre-settling tank (1) and the settling tank (2), the side wall of the retaining wall (3) is obliquely arranged, a mudguard (4) is arranged on the side wall of one side of the retaining wall, which is positioned on the pre-settling tank (1), a water inlet (5) is formed in the top of the water inlet side of the pre-settling tank (1), and the height of the retaining wall (3) is lower than that of the water inlet side of the pre-settling tank (1); the end of sedimentation tank (2) is provided with water platform (7) that overflows, the height that overflows water platform (7) is less than the height of barricade (3), its top is provided with first filter screen (9), and one side of water platform (7) that overflows is provided with water drainage tank (8), the bottom of sedimentation tank (2) is provided with mud collection groove (6), mud collection groove (6) with interval between barricade (3) is 2 ~ 3m to the bottom of the pool of sedimentation tank (2) by barricade (3) downward sloping extremely mud collection groove (6), again by mud collection groove (6) tilt up extremely water platform (7), the bottom of mud collection groove (6) is provided with the mud pipe of outside discharge silt.
2. The desilting basin of claim 1, wherein: the water inlet side of the pre-settling tank (1) is obliquely arranged, and the inclination angle is 30-45 degrees.
3. The desilting basin of claim 1, wherein: the splash guard (4) is arranged on the side wall of the retaining wall (3) in a downward inclined mode, and an included angle formed between the splash guard (4) and the side wall of the retaining wall (3) ranges from 30 degrees to 60 degrees.
4. The desilting basin of claim 1 or 3, characterized in that: fender (4) transversely set up in on the lateral wall of barricade (3), its length with the length of barricade (3) is the same, and the width is 40 ~ 60 cm.
5. The desilting basin of claim 1 or 3, characterized in that: the mud guard (4) is provided with at least two rows, and the distance between every two rows of mud guards is 0.5-1 m.
6. The desilting basin of claim 1, wherein: and a second filter screen (10) is vertically arranged at the top of the retaining wall (3).
7. The desilting basin of claim 1, wherein: the width of the water overflowing table (7) is 1-2 m.
8. The desilting basin of claim 1, wherein: the slope of the pool bottom between the retaining wall (3) and the sludge collecting groove (6) is not less than 5 percent.
9. The desilting basin of claim 1, wherein: the slope of the bottom of the pool between the water overflowing table (7) and the sludge collecting groove (6) is not less than 10%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921053984.4U CN210356330U (en) | 2019-07-08 | 2019-07-08 | Desilting basin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921053984.4U CN210356330U (en) | 2019-07-08 | 2019-07-08 | Desilting basin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210356330U true CN210356330U (en) | 2020-04-21 |
Family
ID=70270353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921053984.4U Expired - Fee Related CN210356330U (en) | 2019-07-08 | 2019-07-08 | Desilting basin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210356330U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180259A (en) * | 2019-07-08 | 2019-08-30 | 青海民族大学 | A kind of settling pit |
| CN110180259B (en) * | 2019-07-08 | 2024-09-27 | 青海民族大学 | Sand settling pond |
-
2019
- 2019-07-08 CN CN201921053984.4U patent/CN210356330U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110180259A (en) * | 2019-07-08 | 2019-08-30 | 青海民族大学 | A kind of settling pit |
| CN110180259B (en) * | 2019-07-08 | 2024-09-27 | 青海民族大学 | Sand settling pond |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200421 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |