CN110180259A - A kind of settling pit - Google Patents
A kind of settling pit Download PDFInfo
- Publication number
- CN110180259A CN110180259A CN201910610885.XA CN201910610885A CN110180259A CN 110180259 A CN110180259 A CN 110180259A CN 201910610885 A CN201910610885 A CN 201910610885A CN 110180259 A CN110180259 A CN 110180259A
- Authority
- CN
- China
- Prior art keywords
- barricade
- mud
- settling
- preliminary sedimentation
- sedimentation tank
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 76
- 238000004062 sedimentation Methods 0.000 claims abstract description 57
- 238000007599 discharging Methods 0.000 claims abstract description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 239000010802 sludge Substances 0.000 abstract description 3
- 238000005381 potential energy Methods 0.000 description 11
- 239000000872 buffer Substances 0.000 description 3
- 239000013049 sediment Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000002262 irrigation Effects 0.000 description 2
- 238000003973 irrigation Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 230000036982 action potential Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 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
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000002699 waste material Substances 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
Abstract
The invention discloses a kind of settling pits, including preliminary sedimentation tank and settling tank, barricade is provided between preliminary sedimentation tank and settling tank, the sidewall slope of barricade is arranged, and barricade, which is located on the side side wall of preliminary sedimentation tank, is provided with mud guard, water inlet is provided at the top of preliminary sedimentation tank influent side, the height of barricade is lower than the height of preliminary sedimentation tank influent side；The end of settling tank is provided with Man Shuitai, the height of unrestrained water platform is lower than the height of barricade, its top is provided with the first strainer, the side of unrestrained water platform is provided with rhone, the bottom of settling tank is provided with mud-collecting slot, and the spacing between mud-collecting slot and barricade is 2~3m, and the bottom of pond of settling tank slopes down to mud-collecting slot by barricade, Man Shuitai is inclined upward to by mud-collecting slot again, the bottom of mud-collecting slot is provided with the sludge pipe for discharging silt.Using the settling pit of the structure, it can effectively solve the problems, such as that existing settling pit desilting effect is poor.
Description
Technical field
The invention belongs to water-treatment technology fields, and in particular to a kind of settling pit.
Background technique
Sediment content is big in the Northwest's water, if irrigation system uses surface water as water source, filtration facility, which is arranged, to seem
Particularly necessary, filtration facility commonly used in the prior art is settling pit.Settling pit by being settled to the silt that water flow carries,
Periodic cleaning is carried out to the silt in settling pit after rain, silt is utilized, land resource can be reduced to a certain extent
Waste.However, at present most of settling pit water flows by water inlet to water outlet generally on same straight line, when water flow is larger
When, it takes silt water flow and rapidly flows through, flow rate of water flow is big, and the residence time is short in settling pit, and desilting ability is relatively low, is not achieved
The purpose of desilting.
Summary of the invention
For the above-mentioned prior art, the present invention provides a kind of settling pit, to solve asking for existing settling pit desilting effect difference
Topic.
In order to achieve the above object, the technical scheme adopted by the invention is that: a kind of settling pit is provided, including preliminary sedimentation tank and
Settling tank is provided with barricade, the sidewall slope setting of barricade between preliminary sedimentation tank and settling tank, and barricade is located at the one of preliminary sedimentation tank
It is provided with mud guard on the side wall of side, water inlet is provided at the top of preliminary sedimentation tank influent side, the height of barricade is intake lower than preliminary sedimentation tank
The height of side；The end of settling tank is provided with Man Shuitai, and the height for overflowing water platform is lower than the height of barricade, and top is provided with first
The side of strainer, unrestrained water platform is provided with rhone, and the bottom of settling tank is provided with mud-collecting slot, the spacing between mud-collecting slot and barricade
For 2~3m, and the bottom of pond of settling tank slopes down to mud-collecting slot by barricade, then is inclined upward to Man Shuitai by mud-collecting slot, collection
The bottom of mud groove is provided with the sludge pipe for discharging silt.
The present invention is provided with mud guard on the side wall of preliminary sedimentation tank water outlet side, and mud guard can be effectively reduced silt carrying flow
Potential energy is flowed, disturbance of the water flow in preliminary sedimentation tank is reduced, the preliminary sedimentation effect of silt is more preferable；And mud guard is capable of increasing water flow
Depositional area, deposition effect further increase, and after preliminary sedimentation tank preliminary sedimentation, the clay content in silt-laden flow is greatly reduced.This hair
Bright that settling tank end is provided with Man Shuitai, overflowing water platform has certain width and top horizontal, and water flow can be effectively reduced
Whole flow velocity and potential energy make water flow steady slowly flowing in settling tank, and sedimentation of the water flow in settling tank is more thorough, sinks
Better effect drops.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the influent side of preliminary sedimentation tank is obliquely installed, and inclination angle is 30 °~45 °.
The influent side of preliminary sedimentation tank is obliquely installed in the present invention, and after slope buffers, the potential energy of silt-laden flow reduces, will not
Big disturbance is caused to water flow existing in preliminary sedimentation tank, sedimentation effect is more preferable.
Further, mud guard is downwardly inclined on the side wall for being set to barricade, and the angle between mud guard and barricade side wall is
30 °~60 °.
Mud guard in the present invention tilts down setting, and the silt being deposited on mud guard can be slid automatically to preliminary sedimentation tank
Bottom reduces the cleaning difficulty of mud guard.
Further, mud guard is horizontally set on the side wall of barricade, and length is identical as the length of barricade, width be 40~
60cm。
Further, for mud guard at least provided with two rows, the spacing between every two rows mud guards is 0.5~1m.
Mud guard is provided with multiple rows of, can reduce the potential energy of silt-laden flow step by step, and precipitate layer by layer, the preliminary sedimentation effect of silt
More preferably.
Further, barricade top vertical is provided with the second strainer.
The second strainer at the top of barricade can stop the sundries in preliminary sedimentation tank to enter in settling tank with water flow.
Further, the width for overflowing water platform is 1~2m.
Further, the bottom of pond gradient between barricade and mud-collecting slot is not less than 5%.
Further, the bottom of pond gradient overflow between water platform and mud-collecting slot is not less than 10%.
The beneficial effects of the present invention are:
The present invention can be effectively reduced by the way that mud guard is arranged in preliminary sedimentation tank and unrestrained water platform is arranged in settling tank end
The flowing potential energy of water flow, makes silt carrying flow steady slowly flowing in preliminary sedimentation tank and settling tank, and the silt in water flow is had
Effect sedimentation, the water being discharged from rhone can be directly entered irrigation system and be irrigated.
Detailed description of the invention
Fig. 1 is the cross-sectional view of settling pit of the present invention；
Wherein, 1, preliminary sedimentation tank；2, settling tank；3, barricade；4, mud guard；5, water inlet；6, mud-collecting slot；7, Man Shuitai；8,
Rhone；9, the first strainer；10, the second strainer.
Specific embodiment
Specific embodiments of the present invention will be described in detail with reference to the accompanying drawing.
In the embodiment of the present invention, as shown in Figure 1, providing a kind of settling pit, settling pit of the invention includes two mutual
Independent pond, as shown in Figure 1, be respectively preliminary sedimentation tank 1 and settling tank 2 from water inlet end to water outlet, preliminary sedimentation tank 1 and settling tank 2
Between separated with barricade 3, barricade 3 is concrete structure, length and settling pit it is of same size, and the both ends of barricade 3 with
The side wall airtight connection of settling pit；In addition, the sidewall slope of barricade 3 is arranged, keep barricade 3 trapezoidal on the whole, the side wall of barricade 3
Angle between horizontal plane is 60 °~80 °；Water inlet 5 is provided at the top of 1 influent side of preliminary sedimentation tank, the height of barricade 3 is lower than
The height of 1 influent side of preliminary sedimentation tank.In order to promote preliminary sedimentation tank 1 to the sedimentation effect of silt in water, it is located at preliminary sedimentation tank 1 in barricade 3
It is provided with mud guard 4 on the side wall of side, mud guard 4 is horizontally set at by modes such as bondings on the side wall of barricade 3, and is kept off
For mud plate 4 at least provided with two rows, length is suitable with the length of barricade 3, and width is 40~60cm, between every two rows mud guard 4
Spacing be 0.5~1m；Mud guard 4 can be obliquely installed upward, can also be horizontally disposed with, but for the ease of silt to preliminary sedimentation
The bottom deposit in pond 1 is set to gear as shown in Figure 1, mud guard 4 is downwardly inclined in one preferred embodiment of the invention
On the side wall of wall 3, and the angle between 3 side wall of mud guard 4 and barricade is 30 °~60 °, takes silt water flow and flows from water inlet 5
After entering preliminary sedimentation tank 1, the mud guard 4 being downwardly inclined can effectively slow down the flowing potential energy of water flow, and sedimentation effect is more preferable, meanwhile, gear
Mud plate 4 increases the area of contact of the water flow with platform, and after precipitating step by step, the silt content in water flow is substantially reduced.In addition,
In order to slow down the potential energy that water flow enters preliminary sedimentation tank 1, preferably the influent side of preliminary sedimentation tank 1 is obliquely installed, and control preliminary sedimentation tank 1 into
The inclination angle of water side be 30 °~45 °, after slope buffers, take silt water flow potential energy reduce, will not in preliminary sedimentation tank 1
Some water flows cause big disturbance, and sedimentation effect is more preferable.
In another preferred embodiment of the invention, in order to stop in preliminary sedimentation tank 1 sundries to enter settling tank 2 with water flow
It is interior, second strainer 10 is set at the top of barricade 3, the second strainer 10 is fixed on the top of barricade 3 vertically.
The length of sedimentation basin 2 is greater than the length (direction in Fig. 1 from left to right is length direction) of preliminary sedimentation tank 1, settling tank 2
End be provided with unrestrained water platform 7, the side of unrestrained water platform 7 is provided with rhone 8；The length and the width phase of settling tank 2 of unrestrained water platform 7
Together, width is 1~2m, and the height for overflowing water platform 7 is lower than the height of barricade 3, and the top horizontal of unrestrained water platform 7；Water flow is from unrestrained
It is flowed through at the top of water platform 7, while unrestrained water platform 7 further precipitates water flow, the speed and potential energy of water flow, water flow can be slowed down
Gently advance in settling tank 2, the sediment settlement in water flow is more thorough.In addition, in order to avoid falling into miscellaneous in settling tank 2
Object enters rhone 8 with water flow, and the first strainer 9 is provided at the top of Man Shuitai 7, and the first strainer 9 is fixed on unrestrained water platform 7 vertically
Top.
The bottom of settling tank 2 is provided with mud-collecting slot 6, and whole mud-collecting slot 6 is in inverted trapezoidal, and bottom width is 30~50cm；
Spacing of the spacing between 2~3m, with unrestrained water platform 7 between 3 bottom of mud-collecting slot 6 and barricade is 15~20m, and settling tank 2
Bottom of pond mud-collecting slot 6 is sloped down to by barricade 3, then unrestrained water platform 7, the bottom setting of mud-collecting slot 6 are inclined upward to by mud-collecting slot 6
Oriented outlet goes out the sludge pipe of silt.In one preferred embodiment of the invention, the silt to be deposited convenient for 2 bottom of pond of settling tank
Slide to mud-collecting slot 6, the bottom of pond gradient being arranged between barricade 3 and mud-collecting slot 6 is not less than 5%, be arranged unrestrained water platform 7 and mud-collecting slot 6 it
Between the bottom of pond gradient be not less than 10%.
Settling pit of the invention imports in preliminary sedimentation tank 1 from water inlet 5 at work, by silt-laden flow, and silt-laden flow passes through
The influent side slope of preliminary sedimentation tank 1 buffers, and enters preliminary sedimentation tank 1 with lower potential energy, while mud guard 4 further decreases the stream of water flow
Action potential, silt-laden flow do not have big disturbance in preliminary sedimentation tank 1, and the sediment settlement of larger particles is in preliminary sedimentation tank in silt carrying flow
1 bottom；Then water flow is at the top of barricade 3 from covering into further settling in settling tank 2, and the water flow after the completion of settling is from Man Shui
Flowed through at the top of platform 7, since unrestrained water platform 7 has certain width and top horizontal, can be effectively reduced water flow whole flow velocity and
Potential energy makes water flow steady slowly flowing in settling tank 2, and sedimentation of the water flow in settling tank 2 is more thorough, and effect of settling is more
It is good；Western hill wash of the silt deposited in settling tank 2 Jing Guo bottom of pond drops down onto mud-collecting slot 6, then passes through the spoil disposal of 6 end of mud-collecting slot
Pipe discharge, can be completed the settlement treatment to silt-laden flow.
Although being described in detail in conjunction with attached drawing to a specific embodiment of the invention, should not be construed as special to this
The restriction of the protection scope of benefit.In range described by claims, those skilled in the art are without creative work
The various modifications and deformation that can make still belong to the protection scope of this patent.
Claims (9)
1. a kind of settling pit, it is characterised in that: including preliminary sedimentation tank (1) and settling tank (2), the preliminary sedimentation tank (1) and settling tank (2)
Between be provided with barricade (3), the sidewall slope of the barricade (3) setting, and barricade is located at the side side of the preliminary sedimentation tank (1)
It is provided with mud guard (4), is provided with water inlet (5) at the top of preliminary sedimentation tank (1) influent side, the height of the barricade (3) on wall
Degree is lower than the height of the preliminary sedimentation tank (1) influent side；The end of the settling tank (2) is provided with Man Shuitai (7), the unrestrained water platform
(7) height is lower than the height of the barricade (3), and top is provided with the first strainer (9), and the side of Man Shuitai (7) is provided with
The bottom of rhone (8), the settling tank (2) is provided with mud-collecting slot (6), between the mud-collecting slot (6) and the barricade (3)
Spacing is 2~3m, and the bottom of pond of settling tank (2) slopes down to the mud-collecting slot (6) by the barricade (3), then by described
Mud-collecting slot (6) is inclined upward to the unrestrained water platform (7), and the bottom of the mud-collecting slot (6) is provided with the spoil disposal for discharging silt
Pipe.
2. settling pit according to claim 1, it is characterised in that: the influent side of the preliminary sedimentation tank (1) is obliquely installed, and is inclined
Oblique angle is 30 °~45 °.
3. settling pit according to claim 1, it is characterised in that: the mud guard (4), which is downwardly inclined, is set to the gear
On the side wall of wall (3), the angle between the mud guard (4) and barricade (3) side wall is 30 °~60 °.
4. settling pit according to claim 1 or 3, it is characterised in that: the mud guard (4) is horizontally set at the barricade
(3) on side wall, length is identical as the length of the barricade (3), and width is 40~60cm.
5. settling pit according to claim 1 or 3, it is characterised in that: the mud guard (4) is at least provided with two rows, often
Spacing between two rows of mud guards is 0.5~1m.
6. settling pit according to claim 1, it is characterised in that: barricade (4) top vertical is provided with the second strainer
(10)。
7. settling pit according to claim 1, it is characterised in that: the width of the unrestrained water platform (7) is 1~2m.
8. setting pot according to claim 1, it is characterised in that: the pond between the barricade (3) and the mud-collecting slot (6)
Bottom sloping is not less than 5%.
9. setting pot according to claim 1, it is characterised in that: between the unrestrained water platform (7) and the mud-collecting slot (6)
The bottom of pond gradient is not less than 10%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910610885.XA CN110180259A (en) | 2019-07-08 | 2019-07-08 | A kind of settling pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910610885.XA CN110180259A (en) | 2019-07-08 | 2019-07-08 | A kind of settling pit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110180259A true CN110180259A (en) | 2019-08-30 |
Family
ID=67725331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910610885.XA Pending CN110180259A (en) | 2019-07-08 | 2019-07-08 | A kind of settling pit |
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| Country | Link |
|---|---|
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100957695B1 (en) * | 2009-11-26 | 2010-05-12 | 김전국 | Sludge-reducing apparatus in sewage treatment plant |
| CN103100242A (en) * | 2013-02-22 | 2013-05-15 | 蔡宏武 | Canal type thickener |
| CN104174191A (en) * | 2014-08-18 | 2014-12-03 | 南京工业大学 | Integral grit chamber for treating rainwater and treating method |
| CN205171642U (en) * | 2015-11-20 | 2016-04-20 | 西南交通大学 | Highway road surface runoff processing system |
| CN105672466A (en) * | 2016-03-25 | 2016-06-15 | 北京良乡蓝鑫水利工程设计有限公司 | Integrated rainwater sand basin device |
| CN206391645U (en) * | 2016-11-18 | 2017-08-11 | 山东国润生物医药有限公司 | A kind of sedimentation tank mud water separation device |
| CN210356330U (en) * | 2019-07-08 | 2020-04-21 | 青海民族大学 | Desilting basin |
-
2019
- 2019-07-08 CN CN201910610885.XA patent/CN110180259A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100957695B1 (en) * | 2009-11-26 | 2010-05-12 | 김전국 | Sludge-reducing apparatus in sewage treatment plant |
| CN103100242A (en) * | 2013-02-22 | 2013-05-15 | 蔡宏武 | Canal type thickener |
| CN104174191A (en) * | 2014-08-18 | 2014-12-03 | 南京工业大学 | Integral grit chamber for treating rainwater and treating method |
| CN205171642U (en) * | 2015-11-20 | 2016-04-20 | 西南交通大学 | Highway road surface runoff processing system |
| CN105672466A (en) * | 2016-03-25 | 2016-06-15 | 北京良乡蓝鑫水利工程设计有限公司 | Integrated rainwater sand basin device |
| CN206391645U (en) * | 2016-11-18 | 2017-08-11 | 山东国润生物医药有限公司 | A kind of sedimentation tank mud water separation device |
| CN210356330U (en) * | 2019-07-08 | 2020-04-21 | 青海民族大学 | Desilting basin |
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