CN209989896U - Confluence sewage intercepting and purifying device - Google Patents
Confluence sewage intercepting and purifying device Download PDFInfo
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- CN209989896U CN209989896U CN201920124725.XU CN201920124725U CN209989896U CN 209989896 U CN209989896 U CN 209989896U CN 201920124725 U CN201920124725 U CN 201920124725U CN 209989896 U CN209989896 U CN 209989896U
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Abstract
The utility model provides a confluence sewage intercepting and purifying device, including inlet tube, filter layer, rainwater collecting cylinder, back flush water pump, back flush pipeline, overflow weir and vatch basin, inlet tube intercommunication vatch basin, be provided with the filter layer in the vatch basin in the filter layer below is provided with the overflow weir, and first region and second region are cut apart into with the vatch basin to the filter layer, and first regional first outlet pipe of connecting for sewage drainage into sewer network that will dampe, second regional second outlet pipe of connecting, be used for discharging into the river course through the filterable clean water of filter layer, near the vatch basin is provided with the rainwater collecting cylinder, installs back flush water pump in the rainwater collecting cylinder, and back flush water pump is connected with back flush pipeline. Through the utility model discloses to solve the outer problem that leads to water pollution of vatch basin confluence sewage part overflow row that prior art exists.
Description
Technical Field
The utility model relates to a city confluence sewage treatment field, concretely relates to confluence sewage intercepting and purifying device.
Background
The old urban areas built in early China are basically built according to the rain and sewage combined system, and according to the survey results in the annual book of urban drainage statistics, 20% of cities in China still keep the combined system drainage system at present. In recent years, environmental problems have become prominent, and a problem of reforming a combined drainage pipe network has been encountered in more and more places. For old cities, the construction and transformation difficulty is high, and the combined system pipe network is transformed into a shutoff type combined system drainage pipe network.
However, the mixed sewage in the combined system pipeline in rainy days has large water volume, and the direct overflow of the mixed sewage into the river channel can cause the water environment of the received water body to be polluted, so that the water quality of inland rivers in many cities is deteriorated, but in order to reduce the environmental pollution, the lifting and intercepting times can cause huge water volume entering the sewage plant in rainy seasons, the water inlet concentration is low, and great troubles are caused to the operation of the sewage plant.
SUMMERY OF THE UTILITY MODEL
The utility model provides a confluence sewage intercepting and purifying device to solve the outer problem that leads to water pollution of vatch basin confluence sewage part overflow row that prior art exists.
In order to solve the technical problem, the utility model provides a confluence sewage intercepting and purifying device, which comprises a water inlet pipe, a filter layer, a rainwater collecting cylinder, a backwashing water pump, a backwashing pipeline, an overflow weir and an intercepting well, wherein the water inlet pipe is communicated with the intercepting well, the intercepting well is internally provided with the filter layer, the overflow weir is arranged below the filter layer in the intercepting well, the filter layer divides the intercepting well into a first area and a second area, the first area is connected with a first water outlet pipe and used for discharging intercepted sewage into a sewage pipe network, the second area is connected with a second water outlet pipe and used for discharging clean water filtered by the filter layer into a river channel, the rainwater collecting cylinder is arranged near the intercepting well, the backwashing water pump is arranged in the rainwater collecting cylinder and connected with the backwashing pipeline, the backwashing pipeline is a water pipeline hung on the surface of the filter layer, the water pipeline is provided with a water outlet hole right facing, used for automatic back flushing of the filter layer.
The rainwater collecting cylinder is buried underground, the filtering layer is arranged around the cylinder body of the rainwater collecting cylinder, the water receiving holes are formed in the upper portion of the cylinder body, the position of the water receiving holes in the upper layer of the cylinder body is higher than the ground water level, and the aperture of the water receiving holes is smaller than that of filtering layer particles.
The rainwater collecting cylinder is arranged on the ground, a disc-shaped opening is formed in the upper portion of the rainwater collecting cylinder, a cylindrical cylinder body is arranged at the lower portion of the rainwater collecting cylinder, and rainwater enters the rainwater collecting cylinder body from the opening.
The intercepting well adopts a groove type intercepting well, a weir type intercepting well or a groove and weir combined type intercepting well.
The utility model discloses the beneficial effect who brings: (1) the combined sewage intercepting and purifying device of the utility model can further treat the combined sewage and reduce the environmental pollution caused by the combined sewage;
(2) the utility model can realize automatic back washing based on rainfall, save labor cost and keep the filter layer in ideal working state;
(3) the utility model discloses a confluence sewage purifier that dams, it is better to go out the water effect, and it is convenient to maintain, and not only it is better to go out the water, maintains simply, can suitably reduce the multiple of damming moreover to reduce the running cost of sewage factory.
Drawings
Fig. 1 is a top view of the combined sewage intercepting and purifying device of the utility model.
Fig. 2 is a sectional view of the combined sewage interception and purification device of the utility model.
Fig. 3 is a sectional view of the confluent sewage intercepting and purifying device when a buried rainwater collecting barrel is adopted.
Fig. 4 is a schematic view of the buried rainwater collecting barrel in the combined sewage intercepting and purifying device of the utility model.
Fig. 5 is a sectional view of the merged sewage intercepting and purifying apparatus when the floor type rainwater collecting tank is used.
Fig. 6 is a schematic view of a ground type rainwater collecting barrel in the combined sewage intercepting and purifying device of the utility model.
Wherein, 1-a filter layer, 2-a rainwater collecting cylinder, 3-a backwashing water pump, 4-a backwashing pipeline, 5-an overflow weir, 6-a catch basin, 7-a water inlet pipe, 8-a first area, 9-a second area, 10-a first water outlet pipe, 11-a second water outlet pipe and 12-a water collecting hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-2, the utility model provides a confluence sewage intercepting and purifying device, which comprises a water inlet pipe 7, a filter layer 1, a rainwater collecting cylinder 2, a backwashing water pump 3, a backwashing pipeline 4, an overflow weir 5 and an intercepting well 6, wherein the water inlet pipe 7 is communicated with the intercepting well 6, the filter layer 1 is arranged in the intercepting well 6, the overflow weir 5 is arranged below the filter layer 1 in the intercepting well 6, the intercepting well 6 is divided into a first area 8 and a second area 9 by the filter layer 1, the first area 8 is connected with a first water outlet pipe 10 for discharging intercepted sewage into a sewage pipe network, the second area 9 is connected with a second water outlet pipe 11 for discharging clean water filtered by the filter layer into a river channel, the rainwater collecting cylinder 2 is arranged near the intercepting well 6, the backwashing water pump 3 is arranged in the rainwater collecting cylinder 2, and the backwashing water pump 3 is connected with the backwashing pipeline 4, the back washing pipeline 4 is a water conveying pipeline hung on the surface of the filter layer 1, and a water outlet hole opposite to the filter layer is formed in the water conveying pipeline and used for automatic back washing of the filter layer.
In the embodiment, after the confluent sewage enters the intercepting well from the water inlet pipe, the confluent sewage is intercepted and adsorbed by the filter layer through the overflowing weir intercepting part of the confluent sewage, so that the purpose of removing SS and most other pollutants in the confluent sewage is realized, the pollution of the confluent sewage to the environment is reduced, and the removed pollutants enter the pollution pipeline and are sent to the sewage treatment plant;
in the combined sewage intercepting and purifying device, the filtering rate of the filtering layer is not lower than the flowing speed of rainwater, and the filtering layer can meet the requirement of removing ammonia nitrogen, TP and heavy metal ions in the rainwater at the filtering rate;
the confluence sewage intercepting and purifying device has the advantages that the backwashing water pump is automatically started at a specific water level, and the time for reaching the pump starting water level in the rainwater collecting cylinder is different under the condition of different rainfall, so that the automatic backwashing of the backwashing frequency determined by the rainfall is realized, and the automatic regeneration of the filter material is realized after the washing.
In a further embodiment, the thickness of the filter layer and the characteristics of the filter material of the combined sewage intercepting and purifying device are determined according to the speed of rainwater;
as shown in fig. 3-4, the utility model provides a formula is buried to rainwater surge drum 2 can adopt, the rainwater surge drum 2 buries underground, is provided with the filter layer around the barrel of rainwater surge drum 2, and barrel upper portion is provided with receives water hole 12, and the water hole position is received on the barrel upper strata and is higher than ground water level, receives the water hole aperture and is less than the filter layer granule, and then can avoid around the barrel filter layer granule to get into the rainwater surge drum.
As shown in fig. 5-6, the rain water collecting cylinder 2 of the present invention can also be a ground rain water collecting cylinder, the ground rain water collecting cylinder is disposed on the ground, when collecting rain water on the ground, the upper portion of the rain water collecting cylinder is provided with a disc-shaped opening, the lower portion is a cylindrical cylinder, and the rain water enters the rain water collecting cylinder from the opening. The water collecting area is the surface area of the opening of the rainwater collecting cylinder, and the depth and the surface area size of the rainwater collecting cylinder are determined according to the specific rainfall of the region and the backwashing frequency and the strength of filter materials of the filter layer.
The height of the overflow weir 5 is determined according to the cut-off multiple and the characteristics of the filter material. The intercepting well 6 adopts a groove type intercepting well, a weir type intercepting well or a groove and weir combined type intercepting well.
After the confluence sewage enters the intercepting well 6, the overflow weir 5 can intercept a small amount of dirty sewage, the residual sewage is filtered by the filter layer 1 and then is discharged into the river channel, the rainwater collecting cylinder 2, the backwashing water pump 3 and the backwashing pipe network 4 are used for realizing automatic backwashing of the filter layer 1, the rainwater collecting cylinder 2 in the utility model can adopt an underground or ground type rainwater collecting cylinder, the underground rainwater collecting cylinder can refer to figures 3-4, in rainy days, when underground rainwater is collected, rainwater permeates into the ground, enters the rainwater collecting cylinder 2 from a water collecting hole after being filtered, and when the accumulated water depth reaches a specific depth, the backwashing water pump 3 is automatically started to carry out backwashing of the filter layer 1 through the backwashing pipe network 4; the buried rainwater collecting barrel can refer to fig. 5-6, and when overground rainwater is used for collection, rainwater directly enters the collecting barrel from the opening of the collecting barrel.
In conclusion, the combined sewage intercepting and purifying device can further treat the combined sewage and reduce the environmental pollution caused by the combined sewage; the utility model can realize automatic back washing based on rainfall, save labor cost and keep the filter layer in ideal working state; the utility model discloses a confluence sewage purifier that dams, it is better to go out the water effect, and it is convenient to maintain, and not only it is better to go out the water, maintains simply, can suitably reduce the multiple of damming moreover to reduce the running cost of sewage factory.
The above description is only an example of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (4)
1. A confluence sewage intercepting and purifying device comprises a water inlet pipe (7), a filter layer (1), a rainwater collecting cylinder (2), a backwashing water pump (3), a backwashing pipeline (4), an overflow weir (5) and an intercepting well (6), and is characterized in that the water inlet pipe (7) is communicated with the intercepting well (6), the filter layer (1) is arranged in the intercepting well (6), the overflow weir (5) is arranged below the filter layer (1) in the intercepting well (6), the intercepting well (6) is divided into a first area (8) and a second area (9) by the filter layer (1), the first area (8) is connected with a first water outlet pipe (10) and used for discharging intercepted sewage into a sewage pipe network, the second area (9) is connected with a second water outlet pipe (11) and used for discharging clean water filtered by the filter layer into a river channel, the rainwater collecting cylinder (2) is arranged near the intercepting well (6), a backwashing water pump (3) is installed in the rainwater collecting cylinder (2), the backwashing water pump (3) is connected with a backwashing pipeline (4), the backwashing pipeline (4) is a water pipeline hung on the surface of the filter layer (1), and a water outlet hole which is right opposite to the filter layer is formed in the water pipeline and is used for automatic backwashing of the filter layer.
2. A combined sewage intercepting and purifying device according to claim 1, wherein the rainwater collecting cylinder (2) is buried underground, a filtering layer is arranged around the cylinder body of the rainwater collecting cylinder (2), a water collecting hole (12) is arranged at the upper part of the cylinder body, the position of the water collecting hole at the upper layer of the cylinder body is higher than the underground water level, and the diameter of the water collecting hole is smaller than that of the filtering layer particles.
3. A combined sewage interception and purification apparatus according to claim 1, wherein said rainwater collection cylinder (2) is installed on the ground, and has a disc-shaped opening on the upper portion and a cylindrical cylinder on the lower portion, and rainwater enters the cylinder of the rainwater collection cylinder through the opening.
4. A combined sewage intercepting and purifying device according to claim 1, wherein the intercepting well (6) is a trough intercepting well, a weir intercepting well or a combined trough and weir intercepting well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920124725.XU CN209989896U (en) | 2019-01-24 | 2019-01-24 | Confluence sewage intercepting and purifying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920124725.XU CN209989896U (en) | 2019-01-24 | 2019-01-24 | Confluence sewage intercepting and purifying device |
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| CN209989896U true CN209989896U (en) | 2020-01-24 |
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| CN201920124725.XU Active CN209989896U (en) | 2019-01-24 | 2019-01-24 | Confluence sewage intercepting and purifying device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109881756A (en) * | 2019-01-24 | 2019-06-14 | 无锡市政设计研究院有限公司 | A kind of combined sewage shuts off purification device |
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2019
- 2019-01-24 CN CN201920124725.XU patent/CN209989896U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109881756A (en) * | 2019-01-24 | 2019-06-14 | 无锡市政设计研究院有限公司 | A kind of combined sewage shuts off purification device |
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Address after: 407, West Building, Lianchuang Building, No. 901-2 Yinxiu Road, Wuxi City, Jiangsu Province, 214072 Patentee after: Huaxin Design Group Co.,Ltd. Address before: 214072 5F, West building, Lianchuang building, 901 yinxiu Road, Binhu District, Wuxi City, Jiangsu Province Patentee before: WUXI MUNICIPAL DESIGN INSTITUTE Co.,Ltd. |