CN104174191B - Integrated grit chamber for treating rainwater and treatment method - Google Patents
Integrated grit chamber for treating rainwater and treatment method Download PDFInfo
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- CN104174191B CN104174191B CN201410407487.5A CN201410407487A CN104174191B CN 104174191 B CN104174191 B CN 104174191B CN 201410407487 A CN201410407487 A CN 201410407487A CN 104174191 B CN104174191 B CN 104174191B
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- 238000000034 method Methods 0.000 title claims abstract description 29
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- 239000004576 sand Substances 0.000 claims abstract description 75
- 238000009826 distribution Methods 0.000 claims abstract description 38
- 230000001105 regulatory effect Effects 0.000 claims abstract description 26
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- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention discloses an integrated grit chamber for treating rainwater and a treatment method, wherein the integrated grit chamber for treating rainwater comprises a water distribution area and a grit area, the water distribution area comprises a water distribution well, one side of the water distribution well is provided with a water inlet pipe, the inner wall of the water distribution well is provided with a water inlet tank, and the bottom of the water inlet tank is provided with a water distribution pipe; one end of the water inlet pipe is connected to the water inlet groove; a perforated tracery wall is arranged between the water distribution area and the sand settling area, and a water through hole is arranged at the middle lower part of the perforated tracery wall; the sand settling area is provided with a sludge collecting groove, and the bottom of the sludge collecting groove is provided with a sludge discharge pipe; a water suction pit is arranged at the water outlet side of the tail end of the regulating tank, and a submersible sewage pump is arranged in the water suction pit; the outlet pipe of the submersible sewage pump penetrates through the wall of the pool to convey the rainwater to a subsequent treatment facility. The invention can solve the problems of poor sludge discharge at the bottom of the pool, sludge accumulation and the like caused by large volume of the adjusting pool in the current rainwater treatment, and avoids the waste of the volume of the pool body and the increase of the rainwater treatment cost caused by separately arranging the grit chamber.
Description
Technical field
The invention belongs to water-treatment technology field, specifically, is related to a kind of integrated setting pot for processing rainwater and place
Reason method.
Background technology
Rainwater treatment is the decontamination process of the rainfall runoff (rainwater, snowmelt) collected to urban area.According to not
With tubing run-off system (separate system or combined system), rainwater treatment can with individual processing or with sanitary sewage, Industry Waste
It is hydrated and is processed.As quickly propelling for Urbanization in China, city Permeable stratum area are continuously increased, rain flood is weakened
To the penetrating power of underground, rainfall runoff passes through to arrange outside city inland river and pipeline in a large number, it is impossible to realize oozing under nature, hence it is evident that change
The hydrologic cycle in city.Additionally, the channelization of original city inland river causes to produce stream and higher flood peak faster, cause city
Rain drainage is not smooth, increased investment and the risk of rain disaster of sewerage system and flood control works, it is often more important that
Cause rainwater resource to waste.On the other hand, China's urban development generally faces " resource-type hydropenia " in various degree and " water
The situation of matter type hydropenia ".Carry out the effective way that rainwater comprehensive utilization is this contradiction of solution, and future city water resource
The important development direction of high-efficiency comprehensive utilization.
The rainwater collected tends not to directly use, needs to precipitate the impurity and granule in the rainwater collected
And filtration.For example, Chinese Patent Application No.：201120337765.6, the applying date：On 09 09th, 2011, the utility model was public
A kind of cell rainwater treatment is opened and has utilized system, it is characterised in that including rainwater collecting and treating system and rainwater sprinkling irrigation using system
System；Wherein, rainwater collecting and treating system includes roof rainwater collection processing meanss and rainwater on road surface collection and treatment device；Roofing rain
Water collection and treatment device includes：Seepage flow pond, percolating pipe, percolating channels, are connected with cistern；Rainwater on road surface collection and treatment device bag
Include：Sedimentation tank, filtration channel, are connected with cistern；Wherein, rainwater sprinkling irrigation is included using system：Sprinkling irrigation equipment, water pump and storage
Pond is connected.Engineering measure and ecological environment are organically combined by the cell rainwater treatment of the utility model using system, make rainwater,
In surface water, aeration zone, the soil water constitutes the circulating system of a relative closure.
Rainwater is inevitably mixed into silt particle during migrating, flowing and collecting.If the sand in sewage does not sink in advance
Drop is separated and is removed, then can affect the operation of subsequent processing device.Most importantly wear and tear pump, blocking pipe network, and interference is even broken
Bad subsequent treatment process process.During setting pot is mainly used in removing sewage, particle diameter is more than 0.2mm, and density is more than 2.65t/m3Sand
Grain, so that the facilities such as protective conduit, valve are from abrasion and block.Its operation principle is, based on Gravity Separation, therefore should to control
The water inlet flow velocity of setting pot so that heavy inorganic particle sinks, and organic suspension granule can be taken away with current.Regulating reservoir
Refer to adjust the structures of water-in and water-out flow.The effect of regulating reservoir is homogenizing and measures, it is general it is also possible to consider have concurrently it is heavy
The functions such as shallow lake, mixing, dosing, neutralization and pre-acidified.
As rainfall has the amount of rainfall collected during intermittence, heavy rain often larger, the process energy of rainwater treatment facility
Power is difficult to match with the amount of rainfall of storm period, therefore, rainwater-collecting treatment facility generally needs larger volume adjusted to carry out
Regulate and store.Further, since the impurity such as silt particle entered to ground wash zone during rainwater catchment is more, rainwater often has containing silt particle
The characteristics of amount is higher, needs to affect subsequent treatment facility to mitigate on carrying out sand setting, and existing handling process is most individually
Setting pot is set or regulating reservoir sand setting is directly utilized.For example, Chinese Patent Application No.：201310697747.2, the applying date：
On December 18th, 2013, the utility model disclose a kind of combined system pipe network overflowing rain water and intercept flow division control device, including conjunction
Stream tubulation net and setting pot, are additionally provided with jump stream well and shunting well, the interflow tubulation between the combined system pipe network and setting pot
The bottom surface of net, jump stream well, shunting well and setting pot is arranged according to physical features from high to low, delivery outlet and the jump stream of the combined system pipe network
The input port of well is connected, the rainwater delivery outlet of the jump stream well and shunting well rainwater input port respectively with shunting well and setting pot
It is connected, the sewage delivery outlet of the jump stream well is connected with municipal wastewater pipeline.The utility model can be by sanitary sewage and rainy day
Runoff shunting, by rainy day mid-term runoff and the shunting of later stage runoff, to the process of sewage and rainy day runoff more effectively, effect on environment
Little, Combining with terrain physical features, process is simple, construction and maintenance cost are low, can be widely applied to controlling area-source pollution field.
But being separately provided setting pot can increase structures, and cost and cost increase, and the sand setting pool volume for often setting up
Less, water resistant stroke load-bearing capacity is weak.In practical application directly using regulating reservoir sand setting, due to adjusting pool volume dough-making powder
Product is larger, if the bottom of pond gradient is too little, sand setting is difficult to slip into riffler (hole), causes the serious deposition of bottom of pond, and increases the gradient
Bring bottom of pond gradient big, so as to considerably increase cell body buried depth, also inconvenience construction.Therefore, in the urgent need to one kind can be solved currently
In rainwater treatment, setting pot and regulating reservoir set up that the volume that brings is wasted and bottom of pond spoil disposal is bad separately and scheme the problems such as deposition.
The content of the invention
1st, problem to be solved
Silt particle for containing in rainwater is more, and existing handling process majority is separately provided setting pot or directly using tune
Section pond sand setting.Being separately provided setting pot not only increases treatment facility volume, and often due to sand setting pool volume is less, the punching of water resistant amount
Hit load-bearing capacity weak, effect is bad, and directly using the serious deposition of generally existing bottom of pond in the practical application of regulating reservoir sand setting
Unfavorable spoil disposal.The present invention provides a kind of integrated setting pot and processing method for processing rainwater, and the program passes through rational cell body
Design and current tissue, realize good sand setting effect using the partial volume of regulating reservoir, and sand setting area volume is also had concurrently simultaneously
Runoff investigation is acted on, and is solved setting pot and regulating reservoir in current rainwater treatment and is set up the volume for bringing separately and wastes and directly using adjusting
The section bottom of pond spoil disposal that brings of pond sand setting is bad and the problems such as deposition, realize while structures volume and reduces cost is reduced
Good sand setting effect, provides guarantee water quality for subsequent treatment, is with a wide range of applications.
2nd, technical scheme
To solve the above problems, the technical scheme that the present invention is provided is as follows.
A kind of integrated setting pot for processing rainwater, including water distributing area and sand setting area, described water distributing area includes distribution well；
The side of described distribution well is provided with water inlet pipe；Described distribution well inwall is provided with intake chamber, and intake chamber bottom is provided with sparge pipe；
One end of described water inlet pipe is connected in intake chamber；Perforation tracery wall, perforation flower are provided between described water distributing area and sand setting area
Wall middle and lower part is provided with water hole；Described sand setting area includes mud-collecting slot, and the bottom surface between mud-collecting slot and perforation tracery wall is inclined-plane, is collected
The bottom of mud groove is provided with discharge pipeline；The outlet water at tail end side bottom of regulating reservoir is provided with water suction hole, and water suction is provided with submersible sewage pump in hole；It is described
The outlet pipe of submersible sewage pump rainwater is delivered to into subsequent treatment facility through pool wall；Described regulating reservoir outlet water at tail end side is additionally provided with excessive
Flow tube.
Preferably, the gradient of described water distribution bottom is more than or equal to 5%, the width 1.2-1.5m of distribution well.
Preferably, the mouth of pipe of described water inlet pipe is located at 30cm above the bottom of intake chamber；The width of described intake chamber
0.4-0.5m is with depth.
Preferably, described sparge pipe quantity is 4-6 roots, and material is PVC；The bottom of described sparge pipe is far from water distributing area
The distance of bottom is 0.5m；The end steering horizontal direction of described sparge pipe.
Preferably, the water hole of described perforation tracery wall is opened in perforation tracery wall bottom from the range of bottom of pond up 1.2-1.5m
Staggeredly perforate；Square hole of the size of water hole for length of side 150mm～200mm, percent opening is 20-35%；Described perforation tracery wall
Patch bottom of pond portion arranges one and is drained through water hole.
Preferably, the gradient of the bottom surface between described mud-collecting slot and perforation tracery wall is more than or equal to 10%；Described collection mud
The both sides of groove longitudinal section are inclined-plane, and bottom is plane, and the inclined-plane of mud-collecting slot both sides and the angle of bottom are 120-135 °.
Preferably, described overflow pipe is 0.3-0.5m apart from the height of Chi Ding；Between described water suction hole and mud-collecting slot
The bottom of pond gradient be 5%.
A kind of method that regulating reservoir sand setting processes rainwater, its step is：
First, the rainwater collected is imported by intake chamber by water inlet pipe；
2nd, the rainwater in intake chamber enters distribution well by sparge pipe terminal horizontal direction, and current are by boring a hole on tracery wall
Water hole enter sand setting area, meanwhile, fall into the part sand setting of water distributing area bottom poured by perforation tracery wall bottom water hole it is heavy
Sand area；
3rd, bottom of pond is deposited to into the silt particle in the rainwater in sand setting area by tracery wall water hole of boring a hole, in action of gravity and
Slip in mud-collecting slot under the promotion of horizontal stream；Outside the sand setting of mud-collecting slot bottom drains into device by discharge pipeline；
4th, startup submersible sewage pump, the rainwater that submersible sewage pump will absorb water in hole are promoted to follow-up rainwater treatment device by outlet pipe；
5th, when amount of rainfall is excessive, unnecessary rainwater drains into outdoor rain inspection shaft by overflow pipe.
3rd, beneficial effect
Compared to prior art, beneficial effects of the present invention are：
(1) the integrated setting pot of process rainwater of the invention includes water distributing area and sand setting area, and water distributing area includes distribution well；
The side of distribution well is provided with water inlet pipe；Distribution well inwall is provided with intake chamber, and intake chamber lower surface is provided with sparge pipe；Water inlet pipe
One end is connected in intake chamber；Perforation tracery wall is provided between water distributing area and sand setting area, perforation tracery wall middle and lower part is provided with water hole；It is heavy
Sand area includes mud-collecting slot, and the bottom surface between mud-collecting slot and perforation tracery wall is inclined-plane, and the bottom of mud-collecting slot is provided with discharge pipeline；Regulating reservoir
Outlet water at tail end side arranges water suction hole, and water suction is provided with submersible sewage pump in hole；Rainwater is delivered to subsequently by the outlet pipe of submersible sewage pump through pool wall
Treatment facility；Regulating reservoir outlet water at tail end side is additionally provided with overflow pipe；This device realizes regulating reservoir and setting pot integration, it is to avoid
It is separately provided the waste of cell body volume, the high process rainwater cost increase for being brought of cell body cost that setting pot is caused；
(2) gradient of water distribution bottom of the present invention be more than or equal to 5%, the width 1.2-1.5m of distribution well, the pipe of water inlet pipe
Mouth is located at 30cm above the bottom of intake chamber；The width and depth of intake chamber is 0.4-0.5m；Sparge pipe quantity is 4-6 roots,
Material is PVC；The bottom of sparge pipe is 0.5m with a distance from the bottom of water distributing area；The end steering horizontal direction of sparge pipe；
Setting pot can be effectively prevented intake in the case of low water level and directly fall to falling into disturbance of the distribution well to shaft bottom sand setting；
(3) water hole of present invention perforation tracery wall is opened in perforation tracery wall bottom from the range of bottom of pond up 1.2-1.5m, hands over
Stagger hole；Square hole of the size of water hole for length of side 150mm-200mm, percent opening is 20-35%；；Perforation tracery wall Main Function
It is, into sand setting area, rainwater to be controlled water inlet uniform dispensing with the flow velocity of 0.15-0.2m/s even into sand setting area, enter heavy
The silt particle in sand area is sink to bottom of pond and slips into mud-collecting slot under gravity；Meanwhile, a part of sediment contamination in rainwater can be in weight
Directly be sink under power effect water distributing area bottom it is domatic on, the part silt particle is under water inlet souring by the tracery wall bottom of boring a hole
Water hole reach sand setting area；So, the silt particle in rainwater is able to good separation by sand setting area, it is to avoid accumulate at regulating reservoir bottom
Mud；
(4) gradient of the bottom surface between mud-collecting slot of the present invention and perforation tracery wall is more than or equal to 10%, to guarantee that sand setting exists
The level of gravity and current slips into mud-collecting slot under washing away；The both sides of mud-collecting slot longitudinal section are inclined-plane, and bottom is plane, can so be protected
Card preferably collects sludge, and not easily lead to sludge accumulation, it is to avoid the blocking of discharge pipeline, the inclined-plane of mud-collecting slot both sides with
The angle of bottom is 120-135 °, to ensure that sand setting slips into bottom land and be difficult current are caused to disturb and the muddiness that causes, and
Outside the smooth discharger of bottom land discharge pipeline；
(5) overflow pipe of the present invention is 0.3-0.5m apart from the height of Chi Ding, it is ensured that certain protection height, when remittance rainwater
When amount exceeds flood level, excess water inlet is by overflow pipe overflow to catch-basin, it is to avoid setting pot is excessive；Water suction hole and mud-collecting slot
Between bottom of pond be inclined-plane, the gradient on the inclined-plane is 5%, is conducive to the silt particle of bottom of pond smoothly to slip into mud-collecting slot, will not be because of
The disturbance of water in setting pot and secondary be mixed in water, it is ensured that effect of settling；
(6) method that regulating reservoir sand setting of the invention processes rainwater, its step is：The rainwater collected is imported by water inlet pipe
Intake chamber；Rainwater in intake chamber is entered by the water hole on tracery wall of boring a hole by water distribution pipe end steering horizontal direction, rainwater
Enter sand setting area, meanwhile, a part of sand setting falls into the sand setting of water distributing area bottom and pours collection mud by the water hole of tracery wall bottom of boring a hole
Groove；Bottom of pond is deposited to into the silt particle in the rainwater in sand setting area, is slipped in mud-collecting slot under gravity and water jet propulsion；Mud-collecting slot bottom
Outside the sand setting in portion drains into device by discharge pipeline；Start submersible sewage pump, the water absorbed water in hole is lifted by submersible sewage pump by outlet pipe
To follow up device；When amount of rainfall is excessive, outside unnecessary rainwater drains into device by overflow pipe；Sand setting area is characterised by by control
The bottom water inlet of system perforation tracery wall, reduces the vertical precipitate height of silt particle granule, makes full use of " shallow pond precipitation " theoretical shortening heavy
Sand section length and sand setting time；The lowest water level of setting pot is the minimum water suction water level that submersible sewage pump is required, peak level and minimum
Volume between water level is the volume adjusted in pond, and good sand setting effect is realized while runoff investigation is played.
Description of the drawings
Fig. 1 is the generalized section of the present invention；
Fig. 2 is the structural representation of the present invention.
In figure：1st, distribution well；2nd, intake chamber；3rd, sparge pipe；4th, perforation tracery wall；5th, mud-collecting slot；6th, water suction hole；7th, dive dirty
Pump；8th, overflow pipe；9th, water inlet pipe；10th, outlet pipe；11st, discharge pipeline.
Specific embodiment
Describe the present invention below in conjunction with the accompanying drawings.
Embodiment 1
One cell rainwater utilization project treatment facility is located under center of housing estate toft, as space limits, has built one
Individual volume is 200m3Storm detention tank.
As illustrated in fig. 1 and 2,12 meters of the Integral rain setting pot length, wide 6 meters, height 3.8m, and the design effectively depth of water is (most
High flood level is to lowest water level) 3 meters.Including water distributing area and sand setting area, water distributing area includes distribution well 1；The side of distribution well 1 sets
There is water inlet pipe 9；1 inwall of distribution well is provided with intake chamber 2, and 2 lower surface of intake chamber is provided with sparge pipe 3；Water distributing area and sand setting area it
Between be provided with perforation tracery wall 4, perforation tracery wall 4 middle and lower part is provided with water hole；Sand setting area arranges mud-collecting slot 5, mud-collecting slot 5 and perforation tracery wall
Bottom surface between 4 is domatic, and the bottom of mud-collecting slot 5 is provided with discharge pipeline 11；Regulating reservoir end water suction hole 6, is provided with latent in water suction hole 6
Dirty pump 7；7 one end of submersible sewage pump is provided with outlet pipe 10, and outlet pipe 10 is through pool wall to subsequent treatment structures；Regulating reservoir outlet water at tail end
Side is additionally provided with overflow pipe 8.
The mouth of pipe of water inlet pipe 9 is located at 30cm above the bottom of intake chamber 2；1.5 meters of 1 width of distribution well, 1 bottom of distribution well
The gradient is 5%；6 meters of 2 length of intake chamber, width and depth are 0.45m, and 2 bottom of intake chamber arranges 4 PVC plastics altogether every 1m
Expects pipe 3, the bottom end of sparge pipe 3 is steering horizontal direction away from 0.5m with a distance from the bottom of water distributing area；Perforation tracery wall is from pond
Bottom up 1.3m scopes evolution shape water hole, the square hole of the size of water hole for length of side 200mm, percent opening is 25%；Perforation flower
The bottom of wall 4 is provided with one and is drained through water hole, totally 44 water holes；The gradient of bottom surface between mud-collecting slot 5 and perforation tracery wall 4 is
10%, 5 longitudinal section of mud-collecting slot is trapezoidal, and bottom is plane, and the inclined-plane of 5 both sides of mud-collecting slot and the angle of bottom surface are 125 ° of rifflers
Bottom sets 11 spoil disposal of DN200 discharge pipelines.Cell body outlet water at tail end side is provided with water suction hole 6, arranges two submersible sewage pumps 7 and lifts rainwater
To rainwater treatment machine room.Overflow pipe 8 is 0.3m apart from the height of Chi Ding；Sand setting area between water suction hole 6 and mud-collecting slot 5 is oblique
Face, the gradient on the inclined-plane is 5%.
Above-mentioned regulating reservoir processes the method that sand setting processes rainwater, and its step is：
First, the rainwater collected is imported intake chamber 2 by water inlet pipe 9；
2nd, the rainwater in intake chamber 2 passes through 3 end steering horizontal direction of sparge pipe, by the water hole bored a hole on tracery wall 4
Into sand setting area, meanwhile, a part falls into the sand setting of water distributing area bottom and pours mud-collecting slot 5 by 4 bottom water hole of tracery wall of boring a hole；
3rd, bottom of pond is deposited to into the silt particle in the rainwater in sand setting area by 4 water hole of tracery wall of boring a hole, in gravity and current
The effect of horizontal plug-flow under slip in mud-collecting slot 5；The sand setting of 5 bottom of mud-collecting slot is drained into outside device by discharge pipeline 11；
4th, startup submersible sewage pump 7, the water that submersible sewage pump 7 will absorb water in hole 6 drain into aftertreatment device by outlet pipe 10；
5th, when amount of rainfall is excessive, unnecessary rainwater is drained into outside device by overflow pipe 8.
Intake chamber 2 is entered from water inlet pipe 9 by the rainwater that rain water collecting system is collected, the rainwater in intake chamber 2 can lead to
Cross sparge pipe 3 to flow in distribution well 1；Rainwater, is sunk in sand setting area even into sand setting area by the inlet opening on perforation tracery wall 4
Bottom of pond simultaneously slips into mud-collecting slot 5 under gravity；Meanwhile, the thick silt in the part in rainwater can be sink to water distribution under gravity
1 bottom of well, enters sand setting area along the domatic water hole through 4 bottom of perforation tracery wall under current scour, and silt particle is in gravity and water
The level of stream slips into mud-collecting slot under washing away, outside the smooth discharger of bottom land discharge pipeline.The rainwater collected is passed through
Purified after this device and processed；When amount of rainfall is imported beyond flood level, water inlet is by overflow pipe overflow to rainwater
Well, it is to avoid setting pot is excessive.The rainwater collected obtains good sand setting effect after this device.Into setting pot it
Before, the silt content of rainwater is 52kg/m3；After regulating reservoir sand setting, the silt content of rainwater is 0.6kg/m3, it is ensured that
The good operation of subsequent treatment facility.Integration adjusts setting pot and need not set up setting pot, merely with regulating reservoir part
Shared volume has reached good sand setting effect, and the volume in sand setting area itself can not also affect regulating reservoir as volume adjusted
Effectively volume adjusted, achieves good water treatment effect simultaneously engineering construction cost is saved.
Embodiment 2
A kind of integrated setting pot of process rainwater of the present embodiment, with embodiment 1, its difference is, distribution well 1
The gradient of bottom is 7%, the width 1.2m of distribution well 1.The mouth of pipe of water inlet pipe 9 is located at 30cm above the bottom of intake chamber 2；Water inlet
The width and depth of groove 2 is 0.4m.3 quantity of sparge pipe is 3；The bottom of sparge pipe 3 is with a distance from the bottom of water distributing area
0.5m；The water hole of perforation tracery wall 4 is opened in the staggeredly perforate from the range of bottom of pond up 1.2m of 4 bottom of perforation tracery wall；Water hole
Square hole of the size for length of side 150mm, percent opening is 20%；The gradient of bottom surface between mud-collecting slot 5 and perforation tracery wall 4 is
10%；The inclined-plane of 5 both sides of mud-collecting slot and the angle of bottom are 120 °.Height of the overflow pipe 8 apart from sand setting area bottom surface is 0.5m；Inhale
Sand setting area between puddle 6 and mud-collecting slot 5 is inclined-plane, and the gradient on the inclined-plane is 5%.During use, before into setting pot, rain
The silt content of water is 62kg/m3；After regulating reservoir sand setting, the silt content of rainwater is 0.7kg/m3, it is ensured that it is follow-up
The good operation for the treatment of facility.
Embodiment 3
A kind of integrated setting pot of process rainwater of the present embodiment, with embodiment 1, its difference is, distribution well 1
The gradient of bottom is 1%, and the width of distribution well 1 is 2.0m.The mouth of pipe of water inlet pipe 9 is located at 40cm above the bottom of intake chamber 2；Enter
The width and depth of tank 2 is 0.5m.3 quantity of sparge pipe is 6；The bottom of sparge pipe 3 is with a distance from the bottom of water distributing area
For 0.5m；The water hole of perforation tracery wall 4 is opened in the staggeredly perforate from the range of bottom of pond up 1.5m of 4 bottom of perforation tracery wall；Water hole
Size for length of side 200mm square hole, percent opening is 35%；The gradient of bottom surface between mud-collecting slot 5 and perforation tracery wall 4 is
10%；The inclined-plane of 5 both sides of mud-collecting slot and the angle of bottom are 130 °.Height of the overflow pipe 8 apart from sand setting area bottom surface is 0.3m；Inhale
Sand setting area between puddle 6 and mud-collecting slot 5 is inclined-plane, and the gradient on the inclined-plane is 5%.During use, before into setting pot, rain
The silt content of water is 49kg/m3；After regulating reservoir sand setting, the silt content of rainwater is 0.5kg/m3, it is ensured that it is follow-up
The good operation for the treatment of facility.
Claims (8)
1. a kind of integrated setting pot for processing rainwater, including water distributing area and sand setting area, it is characterised in that：Described water distributing area bag
Include distribution well (1)；The side of described distribution well (1) is provided with water inlet pipe (9)；Described distribution well (1) inwall is provided with into water
Groove (2), intake chamber (2) bottom are provided with sparge pipe (3)；Described water inlet pipe (9) is connected in intake chamber (2)；Described matches somebody with somebody
Perforation tracery wall (4) is provided between pool and sand setting area, perforation tracery wall (4) middle and lower part is provided with water hole；Described sand setting area is provided with
Mud-collecting slot (5), the bottom surface between mud-collecting slot (5) and perforation tracery wall (4) are inclined-plane, and the bottom of mud-collecting slot (5) is provided with discharge pipeline
(11)；Setting pot outlet water at tail end side bottom is provided with water suction hole (6), is provided with submersible sewage pump (7) in water suction hole (6)；Described submersible sewage pump
(7) rainwater is delivered to subsequent treatment facility through pool wall by outlet pipe (10)；Described regulating reservoir outlet water at tail end side is additionally provided with excessive
Flow tube (8), the gradient of described distribution well (1) bottom are more than or equal to 5%, and the water hole of described perforation tracery wall (4) is opened in be worn
Hole tracery wall (4) bottom from bottom of pond to up 1.2-1.5m in the range of staggeredly perforate.
2. the integrated setting pot of a kind of process rainwater according to claims 1, it is characterised in that：Described distribution well
(1) width is 1.2-1.5m.
3. the integrated setting pot of a kind of process rainwater according to claims 1, it is characterised in that：Described water inlet pipe
(9) the mouth of pipe is located at 30cm above the bottom of intake chamber (2)；The width and depth of described intake chamber (2) is 0.4-0.5m.
4. the integrated setting pot of a kind of process rainwater according to claims 1, it is characterised in that：Described sparge pipe
(3) quantity is 4-6 roots, and material is PVC；Pond distance from bottom of described sparge pipe (3) bottom end from water distributing area is 0.5m；Institute
The end steering horizontal direction of the sparge pipe (3) stated.
5. the integrated setting pot of a kind of process rainwater according to claims 1, it is characterised in that：Described water hole
Size for length of side 150mm～200mm square hole, percent opening is 20-35%；Described perforation tracery wall (4) patch bottom of pond portion is arranged
One is drained through water hole.
6. the integrated setting pot of a kind of process rainwater according to claims 1, it is characterised in that：Described mud-collecting slot
(5) gradient of the bottom surface and between perforation tracery wall (4) is more than or equal to 10%；Described mud-collecting slot (5) longitudinal section is trapezoidal, bottom
For plane, the inclined-plane of mud-collecting slot (5) both sides and the angle of bottom are 120-135 °.
7. the integrated setting pot of a kind of process rainwater according to any one in claims 1-6, it is characterised in that：
Described overflow pipe (8) is 0.3-0.5m apart from the height of Chi Ding；Bottom of pond between described water suction hole (6) and mud-collecting slot (5)
The gradient is 5%.
8. the method that a kind of integrated setting pot according to claims 1 processes rainwater, its step is：
First, the rainwater collected is imported by intake chamber (2) by water inlet pipe (9)；
2nd, the rainwater in intake chamber (2) enters distribution well by sparge pipe (3) terminal horizontal direction, and current are by tracery wall of boring a hole
(4) water hole on enters sand setting area, meanwhile, the part sand setting for falling into water distributing area bottom crosses water by tracery wall (4) bottom of boring a hole
Pour sand setting area in hole；
3rd, bottom of pond is deposited to into the silt particle in the rainwater in sand setting area by tracery wall (4) water hole of boring a hole, is slided under gravity
Enter in mud-collecting slot (5)；The sand setting of mud-collecting slot (5) bottom is drained into outside device by discharge pipeline (11)；
4th, startup submersible sewage pump (7), the rainwater that submersible sewage pump (7) will absorb water in hole (6) are promoted to follow-up rainwater by outlet pipe (10)
Processing meanss；
5th, when amount of rainfall is excessive, unnecessary rainwater drains into outdoor rain inspection shaft by overflow pipe (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410407487.5A CN104174191B (en) | 2014-08-18 | 2014-08-18 | Integrated grit chamber for treating rainwater and treatment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410407487.5A CN104174191B (en) | 2014-08-18 | 2014-08-18 | Integrated grit chamber for treating rainwater and treatment method |
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| CN104174191A CN104174191A (en) | 2014-12-03 |
| CN104174191B true CN104174191B (en) | 2017-04-12 |
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