CN110075576A - For river, river, lake, library, extra large sewage draining exit rain sewage water filtration sedimentation basin - Google Patents
For river, river, lake, library, extra large sewage draining exit rain sewage water filtration sedimentation basin Download PDFInfo
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- CN110075576A CN110075576A CN201910436722.4A CN201910436722A CN110075576A CN 110075576 A CN110075576 A CN 110075576A CN 201910436722 A CN201910436722 A CN 201910436722A CN 110075576 A CN110075576 A CN 110075576A
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- water inlet
- pond body
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- 238000004062 sedimentation Methods 0.000 title claims abstract description 144
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 117
- 239000010865 sewage Substances 0.000 title claims abstract description 84
- 238000001914 filtration Methods 0.000 title claims abstract description 21
- 238000004140 cleaning Methods 0.000 claims description 20
- 239000013049 sediment Substances 0.000 claims description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 210000000476 body water Anatomy 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000005406 washing Methods 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
- B01D21/0012—Settling tanks making use of filters, e.g. by floating layers of particulate material
-
- 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
- B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
- B01D21/0069—Making of contact surfaces, structural details, materials therefor
- B01D21/0075—Contact surfaces having surface features
-
- 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
- B01D21/28—Mechanical auxiliary equipment for acceleration of sedimentation, e.g. by vibrators or the like
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sewage (AREA)
Abstract
The invention discloses one kind to be used for river, river, lake, library, the rain sewage water filtration sedimentation basin of extra large sewage draining exit, including pond body, the pool bottom has sedimentation inclined-plane obliquely from right to left, the sedimentation incline apex is connected into water guide face, the water inlet guide face is connected to pond body left side wall, the sedimentation the bottom of the slope is connected to bottom sedimentation face, bottom sedimentation face is connected to pond body right side wall, the pond body side wall is equipped with water inlet and discharge outlet, the water inlet is located at right above water inlet guide face, the discharge outlet is located at right above the sedimentation face of bottom and is higher than the sedimentation incline apex；Inclined-plane is settled in the present invention and the contact area of water body is larger, it is i.e. larger with the contact area of water body internal solids rubbish, sedimentation capacity is stronger, in water level elevation process, rubbish relative settlement inclined-plane in sewage is climb mode, the structure is attached on sedimentation inclined-plane convenient for rubbish, effectively increases the settling efficiency of settling tank.
Description
Technical field
It is the invention belongs to technical field of sewage, in particular to a kind of dirty for river, river, lake, library, the rain of extra large sewage draining exit
Water filtering settling pond.
Background technique
Sanitary sewage and industrial wastewater within the scope of urban area are generally collected by city pipe duct and through municipal sewage
Reason factory is discharged into river, river, lake, library, marine after being handled, condition of water quality is preferable after treatment for such sewage, can direct emission；
Urban runoff sewage be sleet elution urban atmospheric pollution object and rinse building, ground, waste residue, rubbish and formed, especially
For the sewage that rain drop erosion is formed, such sewage usually passes through pipeline and is directly discharged to river, river, lake, library, marine, the blowdown
The a large amount of rubbish such as floating material and waste residue would generally be mingled in the process, entered at the water water surface in sewage draining exit, adrift rubbish and
The pollutants such as white foam usually will form the contaminated zone that do not wait up to tens meters to rice up to a hundred；
To avoid such pollution, sedimentation basin, the rubbish such as rainwater carrying silt, floating material are being arranged in the present invention at sewage draining exit
Rain sewage is formed, is precipitated by sedimentation basin, it is ensured that the rubbish such as solid slag and silt are through natural sedimentation, the rubbish mistake such as floating material
Discharged again after filter, solve the in line river of rain sewage, river, lake, library, sea, caused by water pollution problems.
Summary of the invention
In view of this, the present invention provide it is a kind of for river, river, lake, library, extra large sewage draining exit rain sewage water filtration sedimentation basin, should
Sedimentation basin can ensure that in rain sewage that solid gives up the rubbish such as miscellaneous and silt through natural sedimentation, arrange again after the rubbish filterings such as floating material
Put, solve the in line river of rain sewage, river, lake, library, sea, caused by water pollution problems.
It is of the invention for river, river, lake, library, extra large sewage draining exit rain sewage water filtration sedimentation basin, including pond body, the pond body
Bottom has sedimentation inclined-plane obliquely from right to left, and the sedimentation incline apex is connected into water guide face, the water inlet water conservancy diversion
Face is connected to pond body left side wall, and the sedimentation the bottom of the slope is connected to bottom sedimentation face, and bottom sedimentation face is connected to the pond body right side
Side wall, the pond body side wall are equipped with water inlet and discharge outlet, and the water inlet is located at right above water inlet guide face, the draining
Mouth is located at right above the sedimentation face of bottom and is higher than the sedimentation incline apex.
Further, the water inlet and discharge outlet are located on the front side wall of pond body, the water inlet guide face, sedimentation inclined-plane
And bottom sedimentation face is from front to back diagonally downward, the water inlet guide face is from left to right diagonally downward.
Further, being horizontally disposed in the pond body has filter screen, and the filter screen is located at sedimentation incline apex and discharge outlet
Between bottom.
Further, described sedimentation inclined-plane or so to inclination angle be 25 °~35 °.
Further, described water inlet guide face or so is 1 °~3 ° to inclination angle, and the sagittal inclination angle of the water inlet guide face is
5 °~10 °.
Further, multiple support stringers being supported on filter screen, the adjacent supports stringer are provided in the pond body
Between be connected with crossbeam.
Further, rearwardly extending sedimentation fin before being arranged with from top to bottom on the sedimentation inclined-plane.
Further, the sedimentation fin upstream face has the groove that is recessed inwardly for accommodating sediment, under the groove
Fang Guantong is to settling inclined-plane.
Further, the cleaning hole of left and right perforation is provided on the sedimentation fin, the cleaning hole bottom fits in sedimentation
Inclined-plane.
Further, the sedimentation fin has from back to front along the angle that tilts down of sedimentation inclined-plane, and which is 1 °-
3 °, there is gap between sedimentation fin rear end and the rear wall of pond body.
Beneficial effects of the present invention:
Sewage of the present invention is flow on the sedimentation face of bottom by sedimentation inclined-plane, for the impurity such as silt sedimentation provide it is certain
Settlement space, deposit can be accumulated at this, convenient for concentrating cleaning；And water the contact area for settling inclined-plane and water body is larger, i.e.,
The contact area of internal portion solid refuse is larger, and sedimentation capacity is stronger, the rubbish relative settlement in water level elevation process, in sewage
Inclined-plane is climb mode, which is attached on sedimentation inclined-plane convenient for rubbish, effectively increases the settling efficiency of settling tank；Draining
Mouth is located above sedimentation incline apex, guarantees to be discharged after sewage did not had sedimentation inclined-plane completely, can effectively improve the benefit for settling inclined-plane
With rate；The use on cooperation sedimentation inclined-plane, filter screen level are covered in pond body, and filter screen can limit floating and the rubbish on the water surface
System improves the sewage water filtration effect of sedimentation basin below discharge outlet, also can avoid floating refuse and enters blocking row in discharge outlet
The setting height of discharge outlet also can be improved in the mouth of a river, the structure, increases pond body water storage height, improves the Precipitation Potential of the sedimentation basin；
Support stringer and crossbeam, which are interweaved, simultaneously constitutes three-dimensional filter screen, which can effectively tangle the matter such as branch, polybag
Lighter rubbish is measured, the vertical solid of rubbish for making it easy to floating is distributed in hair in pond body, can effectively prevent the floating refuse collection
In be attached on filter screen and cause filter screen to block or inflow-rate of water turbine reduces influences drainage effect, while the space frame structure can
Turbulent water is reduced, the stability of internal sediment is improved, after adhering to rubbish on the space frame structure, can be formed three-dimensional comprehensive
The sedimentation net of conjunction, can be improved the settling efficiency of solid particle rubbish；
Detailed description of the invention
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is schematic structural view of the invention；
Fig. 2 is schematic diagram of internal structure of the present invention；
Fig. 3 is overlooking structure diagram of the present invention；
Fig. 4 is I-I schematic cross-sectional view；
Fig. 5 is sedimentation bevel structure schematic diagram；
Fig. 6 is fin schematic cross-sectional view；
Specific embodiment
Fig. 1 is schematic structural view of the invention；Fig. 2 is schematic diagram of internal structure of the present invention；Fig. 3 is that plan structure of the present invention is shown
It is intended to；Fig. 4 is I-I schematic cross-sectional view；Fig. 5 is sedimentation bevel structure schematic diagram；Fig. 6 is fin schematic cross-sectional view；
As shown in Figure 1, pond body includes front side wall 1a, rear wall 1b, left side wall 1c and right side wall 1d, in the present embodiment
Front, rear, left and right direction is consistent with the direction in Fig. 1 and Fig. 2；
Present embodiments provide it is a kind of for river, river, lake, library, extra large sewage draining exit rain sewage water filtration sedimentation basin, including pond body
1,1 bottom of pond body has sedimentation inclined-plane 2 obliquely from right to left, and the sedimentation incline apex is connected into water guide face 3,
The water inlet guide face is connected to pond body left side wall, and the sedimentation the bottom of the slope is connected to bottom sedimentation face 4, and the bottom settles face
It is connected to pond body right side wall, the pond body side wall is equipped with water inlet 5 and discharge outlet 6, and the water inlet is located at water inlet guide face
Surface, the discharge outlet are located at right above the sedimentation face of bottom and are higher than 2 top of sedimentation inclined-plane；Pond body is in the present embodiment
Rectangular parallelepiped structure, upper opening are provided with several sewage pipes at the right side wall of pond body place on the lower side, which is circumscribed with
Drain valve 14, external dredge pump 15 is used for forced-ventilated on one or several sewage pipes wherein, passes through sewage pipe and dredge pump
Setting for draining the intracorporal sewage in pond, convenient for overhauling and removing contamination in pond body, discharge outlet drains into sewage into water guide face
On, sewage forms buffering by the water inlet guide face, and sewage is made to be evenly distributed on the water inlet guide face simultaneously uniform flow
On sedimentation inclined-plane, water inlet guide face surface should be arranged relatively smooth, and convenient for the evenly dispersed of water flow, and the smooth surface is convenient for
Solid refuse in sewage is slided with water (flow) direction, and the accumulation convenient for the solid refuse in specific position settles；Sewage is by heavy
On drop angle surface current to bottom sedimentation face, which settles the lowest part that face position is pond body, and the sedimentation for impurity such as silts provides
Certain settlement space, deposit can be accumulated at this, convenient for concentrating cleaning and providing operating space for artificial inspection operation,
With the raising of water level, sewage did not had sedimentation inclined-plane gradually, and the contact area of the inclined-plane and water body is larger, i.e., solid with water body inside
The contact area of body rubbish is larger, and sedimentation capacity is stronger, and in water level elevation process, the rubbish relative settlement inclined-plane in sewage is to climb
The state of liter, the structure are attached on sedimentation inclined-plane convenient for rubbish, effectively increase the settling efficiency of settling tank；Discharge outlet is located at heavy
Drop angle face over top guarantees to be discharged after sewage did not had sedimentation inclined-plane completely, can effectively improve the utilization rate on sedimentation inclined-plane, water inlet
Mouth and discharge outlet are divided into water guide face surface and bottom sedimentation face surface, and the two is located at the left and right sides distance of pond body
Farther out, the turbulent water of water inlet is smaller to interfering at discharge outlet, improves the stability of sediment at below discharge outlet；
In the present embodiment, the water inlet 5 and discharge outlet 6 are located on the front side wall of pond body, and the water inlet guide face sinks
From front to back diagonally downward, the water inlet guide face is from left to right diagonally downward for drop angle face and bottom sedimentation face；In conjunction with attached drawing
Shown, when sewage is flowed into from water inlet on water guide surface, fluid inertia flows from back to front, as shown by arrows in Figure 3
Water (flow) direction shown in, since water inlet guide surface has tilt angle from left to right diagonally downward, sewage has to the right simultaneously
The trend of flowing, it is oblique into sedimentation is flow on water guide face and uniformly from water inlet guide surface which may make that sewage is uniformly distributed in
On face, sewage is more uniformly distributed on sedimentation inclined-plane, is improved sewage and is settled the contact area on inclined-plane, improves sewage
Settling efficiency, sewage is in guide face of intaking, sedimentation inclined-plane and dynamic bottom sedimentation surface current, since above-mentioned inclined-plane all has in the past
Downward tilt angle is tilted backwards, therefore sewage also has flowing from front to back in addition to having flowing velocity from left to right
Speed, the flow tendency may make sewage to sweep along the rubbish such as internal waste residue, silt and floating material poly- to movement on rear side of pond body
Collection, so that forming subsiding belt and floating band at pond body rear wall, which can guarantee that rubbish far from discharge outlet, that is, is effectively ensured
The water quality being discharged through discharge outlet forms effectively filtering and sedimentation to rubbish, when sewage did not had sedimentation inclined-plane and water inlet to lead
When stream interface, sewage is without guide face of intaking, the water conservancy diversion on sedimentation inclined-plane, and the kinetic energy of sewage is smaller, and the usual occupied area of pond body
It is larger, and since water inlet and discharge outlet are distributed in the left and right sides of inner sidewall, distance farther out, the drainage flow of water inlet
It is smaller to the disturbance at discharge outlet, it is ensured that the Water quality at discharge outlet, for the turbulent water for reducing water inlet, water inlet
Preferably fit in and be arranged into water guide face, at this time and water inlet and discharge outlet have a certain height difference, the height difference further reduce into
Drainage flow at the mouth of a river is certainly the disturbance situation for further avoiding water inlet water flow to the disturbance at discharge outlet, draining
The height that mouth is higher than 2 top of sedimentation inclined-plane should not be too large, i.e., after water body did not had sedimentation inclined-plane 2, so that water body is quickly through row
Mouth of a river discharge, draining open height can be adjusted correspondingly according to actual conditions, not repeat specifically；
In the present embodiment, being horizontally disposed in the pond body 1 has a filter screen 7, the filter screen be located at sedimentation incline apex with
Between discharge outlet bottom；The filter screen preferably selects the larger corrosion resistant reticular structure of intensity, which is covered in pond body
On, floating and the rubbish on the water surface can be limited in below discharge outlet by filter screen, the sewage water filtration effect of sedimentation basin is improved,
Avoidable floating refuse, which enters, blocks discharge outlet in discharge outlet, which also can be improved the setting height of discharge outlet, increase pond body
Water storage height improves the Precipitation Potential of the sedimentation basin, is easy access, maintenance door is opened up on the filter screen, specifically not superfluous
It states；
In the present embodiment, described sedimentation inclined-plane or so to inclination angle be 25 °~35 °；When the inclination angle for settling inclined-plane is lower,
Rubbish climbs with sewage, and angle is smaller, and sedimentation capacity is poor, and inclination angle is smaller, causes the height difference on the sedimentation inclined-plane smaller, pond
The space utilization rate of body is low, and the sedimentation capacity of settling tank is low, and for the height difference for increasing sedimentation inclined-plane, then the left and right length of pond body needs
It lengthens significantly, so that the occupied area and construction cost of pond body greatly increase, when the inclination angle for settling inclined-plane is larger, inclined-plane
Adhesive ability it is weaker, rubbish be easy glides with water flow fluctuation, cause to sedimentation inclined-plane sedimentation capacity weaken；At 25 °~35 °
Sedimentation inclined-plane within the scope of inclination angle, sedimentation adhesive ability is strong, and sedimentation capacity is high, efficiently uses the longitudinal space of settling tank, this
Inclination angle of inclined plane α is settled in embodiment and is set as 30 °, may be alternatively provided as 25 ° or 35 ° certainly, which can be according to specific landform
And actual use situation is adjusted correspondingly within the scope of 25 °~35 °, is not being repeated specifically；
In the present embodiment, described water inlet guide face or so is 1 °~3 ° to inclination angle, and the water inlet guide face is sagittal to incline
Angle is 5 °~10 °；As shown in Fig. 2, the angle of inclination beta of water inlet guide face is set as 2 ° in the present embodiment, and angle of inclination beta may also be configured to
It 1 °, 3 ° or adjusts within this range, tilt angle gamma is set as 7 °, and tilt angle gamma may also be configured to 5 °, 10 ° or adjust within this range
Whole, the setting of β angle is smaller, so that sewage is more slow to flow velocity in left and right, very fast in flow velocity in the front-back direction, the two speed is matched
It closes, it is ensured that sewage is in front and back to being more uniformly distributed in into water guide face, and left and right is uniformly flow on sedimentation inclined-plane to stream, left and right
To flow velocity it is slower, under the premise of guaranteeing that sewage is uniformly distributed, can shorten left and right to water inlet guide face length, in phase
In pond body with left and right length, can increase sedimentation inclined-plane length, improve sedimentation inclined-plane sedimentation capacity, also can be improved sewage with
The contact area on inclined-plane is settled, settling efficiency is improved；
In the present embodiment, multiple support stringers 8 being supported on filter screen, the adjacent branch are provided in the pond body 1
Crossbeam 9 is connected between support stringer；In Fig. 1 and Fig. 2, to avoid lines excessively complexity in attached drawing from causing drawing in disorder, part is vertical
Beam and crossbeam are not shown, and in Fig. 3 and Fig. 4, do not represent filter screen structure equally；The support stringer and crossbeam constitute frame knot
Structure, support stringer are used to support filter screen, and filter screen selects the biggish structure of intensity, convenient for artificial walking in the filter screen supernatant
Clean and maintenance, support stringer and crossbeam, which are interweaved, constitutes three-dimensional filter screen, which can effectively tangle branch, polybag
Etc. lighter weights rubbish, the vertical solid of rubbish for making it easy to floating is distributed in hair in pond body, can effectively prevent the floating rubbish
Rubbish concentration, which is attached on filter screen, causes filter screen blocking or inflow-rate of water turbine to reduce influence drainage effect, while the space framework knot
Structure can reduce turbulent water, improve the stability of internal sediment, after adhering to rubbish on the space frame structure, can be formed vertical
The comprehensive sedimentation net of body, improves the settling efficiency of solid particle rubbish；
In the present embodiment, rearwardly extending sedimentation fin 10 before being arranged with from top to bottom on the sedimentation inclined-plane；By setting
Fin structure is set, the adhesive ability on sedimentation inclined-plane is improved, improves its settling efficiency, which can be used as hierarchic structure just
In manually walking to carry out cleaning and attended operation in inclined-plane uplink, it should be set as arc transition structure above fin as shown in Figure 6, kept away
Exempt from sharp angles, in artificial walking, prevent from scratching, improve its security performance, and the arc structure can be used as guide face, when into
When row flush clean, sedimentation fin flow direction lower section is covered above the cambered surface convenient for water body, improves its cleaning effect；
In the present embodiment, sedimentation 10 upstream face of fin has the groove 10a being recessed inwardly for accommodating sediment, institute
State perforation extremely sedimentation inclined-plane below groove；As shown in connection with fig. 6, which can both accommodate certain silt and other sediment,
The rubbish for flowing through at this similar plastics bag in sewage or branch etc can also be tangled, so that sedimentation the bottom of the slope passes through the rubbish
Rubbish is further formed rugged settling surface, and the surface texture of the height is easy limitation and flows through at this similar to silt or stone
Equal solid particles improve sedimentation inclined-plane for the adhesive ability and carrying capacity of deposit, effectively improve the heavy of sedimentation inclined-plane
Efficiency is dropped, the settlement of sewage ability of sedimentation basin is improved, the upper side wall of groove tilts obliquely so that slot opening side is in flaring
Shape prevents bulk sediment to be stuck in the groove；
In the present embodiment, the cleaning hole 11 of left and right perforation, the cleaning hole bottom patch are provided on the sedimentation fin 10
Together in sedimentation inclined-plane；As shown in fig. 6, to washing by water on the inside of fin, being convenient for internal silt when cleaning to sedimentation inclined-plane
It is discharged by the cleaning hole, is washed away convenient for carrying out cleaning to inside grooves, improve cleaning efficiency, it preferentially will be big at this before cleaning
Block rubbish is removed, and is rinsed by water flow, is prevented bulk rubbish from being poured in cleaning hole by water flow and is blocked, to prevent cleaning hole
Blocking, which preferably selects the waist-shaped hole structure of bar shaped, is not repeating specifically；
In the present embodiment, the sedimentation fin 10 has the angle tilted down along sedimentation inclined-plane, the angle from back to front
It is 1 ° -3 °, there is gap 12 between sedimentation fin rear end and the rear wall of pond body；As shown in figure 5, when being carried out with water flow
When flushing, water flow can flow to from front to back at rear wall along fin and flow downward to right side along sedimentation inclined-plane by the gap
Bottom sedimentation face 4 at, then be discharged by sewage pipe 13, the water flow that structure guidance is rinsed flows downward, and the setting in gap can
Sedimentation 10 water storage of fin is prevented, is smoothly discharged convenient for cleaning the sediments such as the water flow washed away carrying silt, cleaning efficiency can be improved,
In the present embodiment, the angle of sedimentation fin 10 is 2 °, naturally it is also possible to be set as 1 °, 3 ° or the value in the interval range, sink
It is smaller that 10 angle of fin drops, and water flow forms guide functions when as cleaning, and also reduces the influence of the attachment to sediment.
Finally, it is stated that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to compared with
Good embodiment describes the invention in detail, those skilled in the art should understand that, it can be to skill of the invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the scope of the claims of invention.
Claims (10)
1. it is a kind of for river, river, lake, library, extra large sewage draining exit rain sewage water filtration sedimentation basin, it is characterised in that: it is described including pond body
Pool bottom has sedimentation inclined-plane obliquely from right to left, and the sedimentation incline apex is connected into water guide face, the water inlet
Guide face is connected to pond body left side wall, and the sedimentation the bottom of the slope is connected to bottom sedimentation face, and bottom sedimentation face is connected to pond
Body right side wall, the pond body side wall are equipped with water inlet and discharge outlet, and the water inlet is located at right above water inlet guide face, described
Discharge outlet is located at right above the sedimentation face of bottom and is higher than the sedimentation incline apex.
2. it is according to claim 1 for river, river, lake, library, extra large sewage draining exit rain sewage water filtration sedimentation basin, feature exists
In: the water inlet and discharge outlet are located on the front side wall of pond body, the water inlet guide face, sedimentation inclined-plane and bottom sedimentation
From front to back diagonally downward, the water inlet guide face is from left to right diagonally downward in face.
3. it is according to claim 1 for river, river, lake, library, extra large sewage draining exit rain sewage water filtration sedimentation basin, feature exists
In: being horizontally disposed in the pond body has filter screen, and the filter screen is located between sedimentation incline apex and discharge outlet bottom.
4. it is according to claim 2 for river, river, lake, library, extra large sewage draining exit rain sewage water filtration sedimentation basin, feature exists
In: described sedimentation inclined-plane or so to inclination angle be 25 °~35 °.
5. it is according to claim 4 for river, river, lake, library, extra large sewage draining exit rain sewage water filtration sedimentation basin, feature exists
In: described water inlet guide face or so is 1 °~3 ° to inclination angle, and the sagittal inclination angle of the water inlet guide face is 5 °~10 °.
6. it is according to claim 3 for river, river, lake, library, extra large sewage draining exit rain sewage water filtration sedimentation basin, feature exists
In: it is provided with multiple support stringers being supported on filter screen in the pond body, is connected with cross between the adjacent supports stringer
Beam.
7. it is according to claim 1 for river, river, lake, library, extra large sewage draining exit rain sewage water filtration sedimentation basin, feature exists
In: rearwardly extending sedimentation fin before being arranged with from top to bottom on the sedimentation inclined-plane.
8. it is according to claim 7 for river, river, lake, library, extra large sewage draining exit rain sewage water filtration sedimentation basin, feature exists
In: the sedimentation fin upstream face has the groove being recessed inwardly for accommodating sediment, and perforation extremely settles below the groove
Inclined-plane.
9. it is according to claim 7 for river, river, lake, library, extra large sewage draining exit rain sewage water filtration sedimentation basin, feature exists
In: the cleaning hole of left and right perforation is provided on the sedimentation fin, the cleaning hole bottom fits in sedimentation inclined-plane.
10. it is according to claim 7 for river, river, lake, library, extra large sewage draining exit rain sewage water filtration sedimentation basin, feature exists
In: the sedimentation fin has the angle tilted down along sedimentation inclined-plane from back to front, which is 1 ° -3 °, and the sedimentation is convex
There is gap between rib rear end and the rear wall of pond body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910436722.4A CN110075576B (en) | 2019-05-23 | 2019-05-23 | Rain sewage filtering sedimentation tank for sewage outlets of rivers, lakes, reservoirs and sea |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910436722.4A CN110075576B (en) | 2019-05-23 | 2019-05-23 | Rain sewage filtering sedimentation tank for sewage outlets of rivers, lakes, reservoirs and sea |
Publications (2)
| Publication Number | Publication Date |
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| CN110075576A true CN110075576A (en) | 2019-08-02 |
| CN110075576B CN110075576B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910436722.4A Active CN110075576B (en) | 2019-05-23 | 2019-05-23 | Rain sewage filtering sedimentation tank for sewage outlets of rivers, lakes, reservoirs and sea |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102350103A (en) * | 2011-08-31 | 2012-02-15 | 清华大学 | Water body purification device and water conveyance project system comprising the same |
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