CN216007201U - A cut dirty inspection shaft for confluence blowdown mouthful department - Google Patents
A cut dirty inspection shaft for confluence blowdown mouthful department Download PDFInfo
- Publication number
- CN216007201U CN216007201U CN202122665934.5U CN202122665934U CN216007201U CN 216007201 U CN216007201 U CN 216007201U CN 202122665934 U CN202122665934 U CN 202122665934U CN 216007201 U CN216007201 U CN 216007201U
- Authority
- CN
- China
- Prior art keywords
- sewage
- well
- chamber
- confluence
- inspection
- 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.)
- Active
Links
Images
Landscapes
- Sewage (AREA)
Abstract
The utility model discloses a cut dirty inspection shaft of confluence blowdown mouth department, including the inspection shaft well body, sewage well room, rainwater well room, the confluence pipeline is accepted to the sewage well room and is come water, and the sewage inlet tube is connected at the upper reaches, and sewage outlet pipe is connected at low reaches, the sewage well room adopts the well room partition wall to separate with the rainwater well room, only remains well room partition wall top overflow square hole intercommunication, rainwater well room low reaches intercommunication overflow pipe. The bottom of the sewage well chamber is provided with a flow groove, an overhaul platform and a flow-limiting pore plate, and the bottom of the rainwater well chamber is provided with a sand settling groove and a mud discharge slope. The utility model discloses safe and reliable possess and save area of, simple structure makes things convenient for the construction, saves investment, makes things convenient for later stage system distribution of rain and sewage to reform transform, does not have multiple advantages such as the convenient later stage operation maintenance of mechanical equipment.
Description
Technical Field
The utility model belongs to the technical field of the drainage, specifically be a sewage intercepting inspection shaft of confluence sewage discharge outlet department.
Background
A combined pipeline sewage discharge outlet usually exists along the river channel or the underdrain, and along with the increase of water environment treatment strength, the combined pipeline sewage discharge outlet is basically collected along the river at present. In order to intercept sewage and prevent flood from flowing backward, a groove type or weir type intercepting inspection well is mainly arranged on a sewage intercepting pipe along a river, and a flap valve is arranged on a bank to prevent rainwater from flowing backward when a drainage port is below a flood level. The defects are mainly as follows: 1. the groove type or weir type intercepting inspection well has no flow limiting function, and when rainwater in the confluence pipeline is excessive, the intercepting sewer is full of the intercepting sewer so that a downstream sewage system can not collect sewage. 2. The flow-limiting sewage collection is realized by adopting a mode that the branch pipe is connected with the confluence pipe and the sewage interception pipe, but the defects of large occupied space and easy silting are existed. 3. The flap valve is suitable for the installation and maintenance of the river channel section, and the effect of the underdrain section is poor. 4. Because the confluence pipe is communicated with the intercepting pipe only by one well chamber, in the later stage of rain and sewage diversion engineering of source implementation, according to the rain and sewage type of a newly-built system, an original intercepting well needs to be rebuilt, and a new rainwater drainage port for building a sewage inspection well or newly-built rainwater inspection well and breaking a bank needs to be added.
The utility model discloses a chinese patent application number 201920113780.9's utility model discloses a dirty well is cut in multi-functional integration, including four room boxes, mixed flow inlet tube, rainwater outlet pipe, sewage inlet tube, sewage drain pipe and liquid level sensing device. The four-chamber box body comprises a water inlet chamber, an overflow chamber, a flow intercepting chamber and a water outlet chamber, the mixed flow water inlet pipe is communicated with the water inlet chamber, the water inlet chamber is connected with the overflow chamber, an overflow port is formed in the joint of the water inlet chamber and the overflow chamber, and an overflow gate is arranged on the overflow port. The overflow gate and the closure gate are respectively connected with the liquid level sensing device. The water outlet chamber is arranged at the bottom of the intercepting chamber and communicated with the intercepting chamber, the communicated part is provided with an energy dissipation groove, and the sewage inlet pipe and the sewage outlet pipe are respectively communicated with the water outlet chamber. The utility model discloses a cut dirty well and ordinary sewage inspection shaft with the tradition and merge into a well, saved the space to a certain extent and also realized the current-limiting effect, but the more and well room of internal plant is more complicated, and it is higher to construction capacity and later stage operation maintenance management requirement.
The utility model discloses a chinese patent application number is 201821296617.2 utility model discloses an intercepting device for confluence system is reformed transform, including confluence pipe, overflow pipe, cut dirty main pipe, cut dirty overflow well and sewage inspection shaft, cut and to control the sewage flow through the restricted aperture intercommunication between dirty overflow well and the sewage inspection shaft, its characteristics are that the sewage inspection shaft that cuts dirty overflow well and cut on the dirty main pipe is built jointly, and confluence pipe, overflow pipe and cut between the dirty main pipe relatively independent each other. The utility model discloses a requirement, the occupation of land that have realized the current-limiting and collected sewage are less, but it is preventing that rain season rainwater from flowing backward the aspect of not taking measures to it still has the optimization space on area.
Therefore, in order to overcome the defects of the existing measures, the sewage interception inspection well at the confluence sewage discharge port is newly provided.
SUMMERY OF THE UTILITY MODEL
To the problem that exists is administered to current river course confluence drain, in order to overcome defects such as prior art structure complicacy, area are big, effect singleness, the utility model provides a sewage intercepting inspection shaft of confluence drain department.
A sewage interception inspection well for a confluence sewage drain is characterized by comprising an inspection well body, a sewage well chamber and a rainwater well chamber, wherein the sewage well chamber and the rainwater well chamber are separated by a well chamber partition wall, only overflow square holes at the top of the well chamber partition wall are reserved for communication, and the downstream of the rainwater well chamber is communicated with an overflow pipeline; the sewage well chamber receives the inflow of a confluence pipeline, the upstream is connected with a sewage inlet pipe, the downstream is connected with a sewage outlet pipe, the sewage inlet pipe and the sewage outlet pipe are both newly-built pipelines, and the elevation of the top of the outside of the pipeline is at least 10cm lower than the elevation of the bottom of the confluence pipeline; the bottom elevation of the sewage well chamber is the same as that of the rainwater well chamber, and the bottom elevation of the bottom of the sewage well chamber is the same as that of the bottom of the sewage inlet pipe or the bottom of the sewage outlet pipe; the bottom of the sewage well chamber is provided with a flow groove, the width of the flow groove is equal to the inner diameter of a sewage inlet pipe or a sewage outlet pipe, the height of the flow groove is equal to the height of the top of the sewage inlet pipe or the sewage outlet pipe, and the space between the top of the flow groove and the bottom of the sewage well chamber is filled with concrete; the overflow square hole is positioned below the bottom surface of the cover plate of the inspection well, the width of the overflow square hole is equal to the width of the sewage well chamber, the height of the overflow square hole is equal to the inner diameter of the confluence pipeline pipe, and the elevation of the bottom of the overflow square hole is not lower than the flood level of a downstream river channel.
Further, the bottom of the sewage well chamber is provided with an overhaul platform, the overhaul platform is of a reinforced concrete structure and is connected with the inspection well body, the net height is 10cm, an overhaul hole is formed in the middle of the overhaul platform, a groove is formed in the circumference of the overhaul hole, and the depth of the groove is 5cm and the width of the groove is 8 cm.
Furthermore, a current-limiting pore plate is arranged at the bottom of the sewage well chamber, is in a ring shape, is made of a stainless steel plate and is 3cm thick, is placed on the overhaul hole of the overhaul platform, and is limited by the aid of grooves around the overhaul hole.
Furthermore, a sand setting groove (15) is arranged at the bottom of the rainwater well chamber (14), a mud discharging slope (12) is arranged at the bottom of the sand setting groove (15), and the slope is 1.5%.
The inspection well body (1) further comprises an inspection well cover plate (101), a well bore (102), a well cover (103), an inspection well bottom plate (104) and a cushion layer (105), all of which are of reinforced concrete structures, wherein the sewage well chamber (13) and the rainwater well chamber (14) are respectively provided with the separate well bore (102), the well cover (103) and the ladder stand (11).
The beneficial effects of the utility model are that have and sparingly occupy underground space, make things convenient for the construction, save investment, make things convenient for later stage system distribution of rain and sewage to reform transform, make things convenient for multiple advantages such as later stage operation maintenance, concrete manifestation is in:
1. the flow-limiting pore plate can realize flow-limiting collection of sewage in dry seasons in the depth direction to prevent sewage from directly discharging into a river channel, and meanwhile, the detachable characteristic of the flow-limiting pore plate also meets the requirement of clearing a sewage pipeline below;
2. the overflow square holes can realize overflow of excessive rainwater in rainy seasons, so that ground water immersion is prevented;
3. the partition wall above the flood level can prevent flood from flowing back to the sewage pipeline, and a flap valve is not needed to reduce the difficulty, cost and frequency of later maintenance;
4. the characteristic of once only constructing the dirty independent well room of rain makes things convenient for later stage dirty system of rain to plug into respectively, reduces the mistake and thoughtlessly connects the risk, reduces the later stage to the destruction of establishing the facility.
Drawings
Fig. 1 is a plan view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view B-B of FIG. 1;
in the figure: 1-inspection well body, 101-inspection well cover plate, 102-well shaft, 103-well cover, 104-inspection well bottom plate, 105-cushion layer, 2-confluence pipeline, 3-overflow pipeline, 4-sewage inlet pipe, 5-sewage outlet pipe, 6-launder, 7-maintenance platform, 8-flow limiting pore plate, 9-overflow square hole, 10-well chamber partition wall, 11-ladder stand, 12-mud discharge slope, 13-sewage well chamber, 14-rainwater well chamber and 15-grit chamber.
Detailed Description
In order to further understand the contents, features and effects of the present invention, the following embodiments are exemplified and the following detailed description is made with reference to the accompanying drawings.
Example 1: please refer to fig. 1-3, the utility model provides a cut dirty inspection shaft for confluence blowdown mouth department, cut dirty inspection shaft includes the inspection shaft well body 1, sewage well room 13, rainwater well room 14, and 2 incoming water of confluence pipeline are accepted to sewage well room 13, and sewage inlet tube 4 is connected to the upper reaches, and sewage outlet pipe 5 is connected to the low reaches, sewage well room 13 adopts well room partition wall 10 to separate with rainwater well room 14, only remains well room partition wall 10 top overflow square hole 9 intercommunication, 14 low reaches intercommunication overflow pipeline 3 of rainwater well room.
In this embodiment, the inspection well body 1 further comprises an inspection well cover plate 101, a shaft 102, a well lid 103, an inspection well bottom plate 104, a cushion layer 105 and a well chamber partition wall 10, and is all of a reinforced concrete structure to facilitate cast-in-place construction, wherein the sewage well chamber 13 and the rainwater well chamber 14 are respectively provided with the separate shaft 102, the well lid 103 and the ladder 11, so that different well chambers can be conveniently and separately maintained.
In this embodiment, the sewage inlet pipe 4 and the sewage outlet pipe 5 are newly built pipelines, and the elevation of the top outside the pipeline is required to be 10cm higher than the elevation of the bottom inside the pipeline of the confluence pipeline 2, so as to meet the requirements of the arrangement of the flow-limiting orifice plate 8 and the maintenance platform 7.
In this embodiment, the bottom elevations of the sewage well chamber 13 and the rainwater well chamber 14 are the same, so that the one-time construction of the inspection well cushion layer 105 and the bottom plate 104 is facilitated, and the bottom elevation is the same as the bottom elevation of the sewage inlet pipe 4 or the sewage outlet pipe 5.
In this embodiment, the bottom of the sewage well chamber 13 is provided with a launder 6, an overhaul platform 7 and a flow-limiting pore plate 8.
In this embodiment, the chute 7 width is with the pipe internal diameter (whether should be the external diameter, need confirm) of sewage inlet tube 4 or sewage outlet pipe 5, and the height is with the roof elevation of sewage inlet tube 4 or sewage outlet pipe 5, can reduce the local head loss of sewage flow through the intercepting well, and the space adopts the concrete to fill between 6 tops of chute to 7 bottoms surfaces of maintenance platform, avoids later stage deposit silt to be difficult to drive.
In the embodiment, the overhaul platform 7 is of a reinforced concrete structure and is connected with the inspection well body 1, and in order to ensure that the net height of the overhaul platform is 10cm with certain strength, an overhaul hole is formed in the middle of the overhaul platform, so that the inspection well and a sewage pipeline can be cleaned and maintained after the flow limiting hole plate 8 is removed; the circumference of the access hole is provided with a groove, so that the current-limiting pore plate 8 can be conveniently embedded and installed, the depth of the groove is 5cm, the width of the groove is 8cm, and the stability of embedding of the current-limiting pore plate 8 is ensured.
In this embodiment, flow-limiting orifice plate 8 is the ring shape, avoids other shapes such as square to fall into and blocks up sewage pipe in the chute 6, and flow-limiting orifice plate 8 size is confirmed according to the current-limiting design flow, and the material adopts corrosion resistant plate can effectively be anticorrosive, and thickness is 3cm and possess certain dead weight and prevent that rivers from dashing and rise the emergence and remove, influences the current-limiting effect. The current-limiting pore plate 8 realizes current-limiting sewage collection in the depth direction, occupied area is saved, and meanwhile, the detachable current-limiting pore plate 8 does not influence the dredging and overhauling of a sewage pipeline.
In this embodiment, 14 bottoms in rainwater well room are provided with grit chamber 15, and a large amount of silt can deposit here in the rainwater and concentrate the clearance, and grit chamber bottom is provided with row mud slope 12, and the slope is 1.5%, and the silt deposit can be in the convenient clearance in inspection shaft well lid below.
In this embodiment, overflow square hole 9 is located inspection shaft apron 101 bottom surface, can guarantee to the utmost under the equipment prerequisite of not establishing the flap valve and avoid the flood to flow backward, prevents simultaneously that ground water logging, the width is with sewage well room 13 width, highly with 2 pipe internal diameters of converging pipeline, selects square purpose can increase the area of overflowing in the width direction, and the advantage is obvious when intercepting the dirty well degree of depth not enough, and the hole bottom elevation is not less than low reaches river course flood level. At later stage system distribution of rain and sewage engineering stage, shutoff overflow square hole 9, newly-built rainwater pipe network direct access rainwater well room 14, thereby can utilize original river course confluence row mouth as the rainwater row mouth and avoid destroying the embankment, simultaneously can be clear accomplish distribution of rain and sewage and reduce wrong misconnection probability.
The dry season sewage enters the sewage well chamber 13 through the confluence pipeline 2, enters the sewage pipeline through the flow limiting hole plate 8 flow limiting hole, the rain season confluence pipeline 2 is converged with excessive rainwater, the water level rises after the full flow of the flow limiting hole plate, and the rainwater enters the rainwater well chamber 14 through the overflow square hole 9 and enters the overflow pipeline 3 to be discharged.
The above embodiments are provided only for the purpose of illustration, and it should not be understood that the present invention is limited to the embodiments, and for those skilled in the relevant technical field, without departing from the concept of the present invention, a plurality of simple deductions or replacements can be made, therefore, all equivalent schemes should also belong to the scope of the present invention.
Claims (10)
1. A sewage interception inspection well for a confluence sewage drain is characterized by comprising an inspection well body (1), a sewage well chamber (13) and a rainwater well chamber (14), wherein the sewage well chamber (13) and the rainwater well chamber (14) are separated by a well chamber partition wall (10), an overflow square hole (9) is formed in the top of the well chamber partition wall (10), and the downstream of the rainwater well chamber (14) is communicated with an overflow pipeline (3); the sewage well chamber (13) receives water from the confluence pipeline (2), the upstream is connected with a sewage inlet pipe (4), the downstream is connected with a sewage outlet pipe (5), the sewage inlet pipe (4) and the sewage outlet pipe (5) are both newly-built pipelines, and the elevation of the top outside the pipeline is at least 10cm lower than the elevation of the bottom inside the pipeline of the confluence pipeline (2); the bottom elevation of the sewage well chamber (13) is the same as that of the rainwater well chamber (14), and the bottom elevation of the bottom of the sewage well chamber is the same as that of the bottom of the sewage inlet pipe (4) or the sewage outlet pipe (5); the bottom of the sewage well chamber (13) is provided with a flow groove (6), the width of the flow groove (6) is the same as the inner diameter of a sewage inlet pipe (4) or a sewage outlet pipe (5), the height of the flow groove is the same as the pipe top elevation of the sewage inlet pipe (4) or the sewage outlet pipe (5), and the space between the top of the flow groove (6) and the bottom of the sewage well chamber (13) is filled with concrete; the overflow square hole (9) is positioned below the bottom surface of the inspection well cover plate (101), the width of the overflow square hole is equal to the width of the sewage well chamber (13), the height of the overflow square hole is equal to the inner diameter of the pipe of the confluence pipeline (2), and the elevation of the bottom of the overflow square hole is not lower than the flood level of a downstream river channel.
2. The sewage interception inspection well for the confluence sewage drain as claimed in claim 1, wherein the bottom of the sewage well chamber (13) is further provided with an inspection platform (7), the inspection platform (7) is connected with the inspection well body (1), an inspection hole is arranged in the middle, and a groove is arranged on the circumference of the inspection hole.
3. The sewage interception inspection well for the confluence sewage drain as claimed in claim 1, wherein the bottom of the sewage well chamber (13) is further provided with a flow-limiting pore plate (8), the flow-limiting pore plate (8) is annular and is placed on the access hole of the access platform (7) and is limited by a groove around the access hole.
4. The intercepting inspection shaft for the confluence drain as claimed in claim 1, wherein the rainwater chamber (14) is provided with a grit chamber (15) at the bottom, and the grit chamber (15) is provided with a mud discharging slope (12) at the bottom.
5. The sewage interception inspection well for the confluence sewage drain according to claim 1, wherein the inspection well body (1) further comprises an inspection well cover plate (101), a well bore (102), a well cover (103), an inspection well bottom plate (104) and a cushion layer (105), wherein the sewage well chamber (13) and the rainwater well chamber (14) are respectively provided with the separate well bore (102), the well cover (103) and the ladder stand (11).
6. The sewage interception inspection shaft for the confluence sewage drain according to claim 2, wherein the height of the inspection shaft body (1) is 10cm, the depth of the groove is 5cm, and the width is 8 cm.
7. The sewage interception inspection well for the confluence sewage drain as claimed in claim 2, wherein the service platform (7) is a reinforced concrete structure.
8. The sewage interception inspection well for a confluence drain as claimed in claim 3, wherein said orifice plate (8) has a circular ring shape with a thickness of 3 cm.
9. The intercepting inspection shaft for a confluence drain as claimed in claim 4, wherein the slope of the sludge discharge slope (12) is 1.5%.
10. The sewage interception inspection well for the confluence sewage drain port according to claim 5, wherein the cover plate (101), the shaft (102), the well cover (103), the bottom plate (104) and the cushion layer (105) of the inspection well are all made of reinforced concrete structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122665934.5U CN216007201U (en) | 2021-11-03 | 2021-11-03 | A cut dirty inspection shaft for confluence blowdown mouthful department |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122665934.5U CN216007201U (en) | 2021-11-03 | 2021-11-03 | A cut dirty inspection shaft for confluence blowdown mouthful department |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216007201U true CN216007201U (en) | 2022-03-11 |
Family
ID=80524995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122665934.5U Active CN216007201U (en) | 2021-11-03 | 2021-11-03 | A cut dirty inspection shaft for confluence blowdown mouthful department |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216007201U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658091A (en) * | 2022-04-06 | 2022-06-24 | 济南市市政工程设计研究院（集团）有限责任公司 | Rain and sewage diversion transformation system for confluence ditch |
| CN115419157A (en) * | 2022-09-26 | 2022-12-02 | 中铁第四勘察设计院集团有限公司 | Invisible rainwater inspection well |
-
2021
- 2021-11-03 CN CN202122665934.5U patent/CN216007201U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114658091A (en) * | 2022-04-06 | 2022-06-24 | 济南市市政工程设计研究院（集团）有限责任公司 | Rain and sewage diversion transformation system for confluence ditch |
| CN114658091B (en) * | 2022-04-06 | 2023-11-24 | 济南市市政工程设计研究院（集团）有限责任公司 | Rain and sewage diversion transformation system for converging ditches |
| CN115419157A (en) * | 2022-09-26 | 2022-12-02 | 中铁第四勘察设计院集团有限公司 | Invisible rainwater inspection well |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216007201U (en) | A cut dirty inspection shaft for confluence blowdown mouthful department | |
| CN110965631A (en) | Deep tunnel drainage shaft with energy dissipation function | |
| CN108757027B (en) | Multifunctional drainage system in tunnel | |
| CN106499041A (en) | A kind of Water Collection Tank in Drainage Pumping Station efficiently cuts dirty system | |
| US10865547B1 (en) | Distributed integrated water management system | |
| CN110093966A (en) | A kind of biology delay facility overflow mouth structure | |
| AU2008286149B2 (en) | Damming method for permeable red mud dam with red mud from sintering process | |
| CN106902569A (en) | A kind of collection pretreatment system of city overland runoff early-stage rainwater | |
| CN108360646A (en) | Pipe gallery dmp filter blowdown is regulated and stored device | |
| CN214460826U (en) | Bottom grid barrier and upstream surface seepage flow perforated pipe water collecting gallery water taking system | |
| CN212477985U (en) | Rainwater outlet infiltration system | |
| CN208415296U (en) | The drainage piping lane built using the pavement underground space | |
| CN213014550U (en) | Device for cleaning and shunting | |
| US20210131078A1 (en) | Integrated utility distribution system | |
| CN210737725U (en) | Underground stepped water storage pool group for ski field | |
| CN110714436A (en) | Retaining system of check dam | |
| CN211113432U (en) | Check dam water storage system | |
| CN211499096U (en) | Ecological water bank with river-following pollution self-control function | |
| CN211230547U (en) | Multifunctional deep tunnel drainage system shaft | |
| CN218911592U (en) | Initial rainwater collecting device | |
| CN211849829U (en) | Rain and sewage diversion system | |
| KR101224234B1 (en) | Keeping treatment system for primary stage rainwater using water-storage tank | |
| CN213014614U (en) | Box culvert cuts dirty regulation and storage structure | |
| CN218871523U (en) | Infiltration dirt-intercepting type rainwater sand-settling device | |
| CN220730191U (en) | Sediment water sample measuring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |