CN112796402A - Integrated rainwater and sewage separation interchange manhole - Google Patents
Integrated rainwater and sewage separation interchange manhole Download PDFInfo
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- CN112796402A CN112796402A CN202110152537.XA CN202110152537A CN112796402A CN 112796402 A CN112796402 A CN 112796402A CN 202110152537 A CN202110152537 A CN 202110152537A CN 112796402 A CN112796402 A CN 112796402A
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- 239000010865 sewage Substances 0.000 title claims abstract description 261
- 238000000926 separation method Methods 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 6
- 229910001208 Crucible steel Inorganic materials 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 10
- 238000009826 distribution Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 239000002390 adhesive tape Substances 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007774 longterm Effects 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F1/00—Methods, systems, or installations for draining-off sewage or storm water
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sewage (AREA)
Abstract
The invention discloses an integrated rainwater and sewage separation interchange manhole, which comprises a sewage bin, a rainwater bin, a sewage treatment device, a sewage pipe and a rainwater pipe, wherein the sewage bin is connected with the sewage pipe; the sewage treatment device comprises a motor, a crushing blade and a filter screen, wherein the motor is arranged above the sewage pipe and penetrates into the sewage bin through a transmission shaft to be connected with the crushing blade arranged in the sewage bin, and the filter screen is arranged in the sewage pipe and is close to the water outlet end of the sewage pipe on one side of the crushing blade. The sewage bin is intercepted and crushed by the sewage treatment device, so that the burden of a sewage treatment plant is reduced; meanwhile, the integrated rain and sewage diversion interchange manhole is cast by adopting a cast steel integrated process, so that the airtightness and integrity among a sewage bin, a rainwater bin and a pipeline of the manhole are ensured, the durability of the manhole is enhanced, and a settlement prevention mechanism of the manhole is played to a certain extent.
Description
Technical Field
The invention belongs to the technical field of wetland treatment of rainwater and sewage, namely the technical field of an inspection well for rainwater and sewage separation, and particularly relates to an integrated rainwater and sewage separation interchange inspection well.
Background
With the advance of the level of urbanization, the construction of municipal facilities also needs further improvement. In particular, in recent years, urban inland inundation events frequently occur, which causes personal casualties and property loss. Therefore, the realization of the reverse flow of rain and sewage becomes a necessary development trend.
The rainwater and sewage separation is to treat rainwater and urban sewage respectively, and most of rainwater is divided into pollution-free inorganic particles because of less pollution components, so that the rainwater can be directly discharged into a river channel without entering a biological system of a sewage treatment plant for treatment, and environmental pollution can not be caused.
However, in the construction of urban reconstruction and diversion projects, the phenomenon that the sewage pipe is orthogonal to or parallel to the rainwater pipe is often encountered, and a sewage manhole needs to be established at the sewage pipe to ensure the smoothness of the sewage pipe due to serious sewage sedimentation. In the prior art, the sewage manhole is built on site according to the depth of the drainage pipe buried underground and specifications, the construction difficulty is high, the working period is long, and the sewage manhole is easy to damage after long-term use due to different strength and construction technologies.
The Chinese patent document (application number: 201110237796.9) discloses a sewage treatment diversion well for separating water and dirt in sewage, which comprises a diversion well cavity surrounded by a diversion well wall, a sewage main line inlet pipe joint and a sewage main line discharge pipe joint arranged at the lower bottom of the cavity wall, and a source sewage inlet pipe joint and an overflow joint arranged at the upper part of the cavity wall below a cavity cover. The sewage treatment flow distribution well has the advantages of simple structure, low manufacturing cost, low operation cost and high separation efficiency, and can obtain excellent sewage treatment effect by being matched with a water treatment wetland for source sewage treatment of water. But the sewage treatment diversion well can not treat the sewage in the sewage.
Therefore, an integrated rain and sewage diversion interchange manhole needs to be developed, the manhole can be manufactured in advance according to the specification of a drainage pipe gallery, and factory batch customized production can be realized; each module is made of stainless steel materials, and is convenient to install, simple in structure, ingenious in design, high in hardness and bearing capacity, durable and suitable for long-term use.
Disclosure of Invention
The invention aims to solve the technical problem of providing an integrated rain and sewage diversion interchange manhole which can be manufactured in advance according to the specification of a drainage pipe gallery and can realize factory batch customized production; each module is cast by adopting a cast steel integrated process, and the device is convenient to install, simple in structure, ingenious in design, high in hardness and bearing capacity, durable and suitable for long-term use.
In order to solve the technical problems, the integrated rainwater and sewage separation interchange manhole adopts the technical scheme that the integrated rainwater and sewage separation interchange manhole comprises a sewage bin, a rainwater bin, a sewage treatment device, a sewage pipe and a rainwater pipe, wherein the sewage bin is connected with the sewage pipe, the rainwater bin is connected with the rainwater pipe, and the sewage treatment device is arranged at the sewage bin and used for treating sewage in the sewage. By adopting the technical scheme, the sewage bin is intercepted and crushed by the sewage treatment device, so that the burden of a sewage treatment plant is reduced; meanwhile, the integrated rain and sewage diversion interchange manhole is cast by adopting a cast steel integrated process, so that the airtightness and integrity among a sewage bin, a rainwater bin and a pipeline of the manhole are ensured, the durability of the manhole is enhanced, and a settlement prevention mechanism of the manhole is played to a certain extent; the cast steel integrated structure can be prefabricated and molded together in a factory as a drainage pipeline or prefabricated in advance according to the measurement of the specification of the existing drainage pipeline in the urban rain and sewage distribution new construction and transformation project; the technical difficulties that in the prior art, a rainwater and sewage diversion inspection well needs to be built on site, construction difficulty is high, construction period is long, and service life is low are solved; the mass production of the maintenance well is realized; by adopting the technical scheme, the sewage pipeline can be put into use only by assembling and welding the sewage pipeline on site, so that the working efficiency of modifying the rainwater and sewage diversion pipeline is improved, the working difficulty is reduced, and the engineering quality and the integral image of the urban drainage system are improved; the integrated rain and sewage diversion interchange manhole provided by the invention is convenient to implement, ingenious in design, strong in bearing capacity and durable in use.
As a preferred technical scheme, the sewage treatment device comprises a motor, a crushing blade and a filter screen, the motor is arranged above the sewage pipe and penetrates into the sewage bin through a transmission shaft to be connected with the crushing blade arranged in the sewage bin, and the filter screen is arranged in the sewage pipe and is arranged at one side of the crushing blade and close to a water outlet end of the sewage pipe. The motor is connected with the crushing blade through the transmission shaft, and the large scale dirt in the sewage bin is crushed through the crushing blade, so that the large scale dirt in the sewage pipeline can be intercepted and crushed, and the burden of a sewage treatment plant is reduced.
As a preferable technical scheme of the invention, the sewage bin further comprises a sewage bin opening, and an exhaust hole is formed in the sewage bin opening and used for exhausting air in the sewage bin.
As a preferred technical scheme of the invention, a harmful gas detection sensor is arranged on the inner wall of the opening of the sewage bin and is used for detecting the content and concentration of gas in the sewage bin in real time. Meanwhile, the gas components and the content in the sewage bin can be transmitted to the data center in real time through a communication module in the harmful gas detection sensor.
As a preferred technical scheme of the present invention, the cross section of the sewage chamber is in a concave shape, and the rainwater chamber is disposed at a concave groove of the sewage chamber and is arranged to cross the sewage chamber, so that the sewage chamber and the rainwater chamber form a crossed structure. The sewage storehouse is formed by the stainless steel material preparation of "concave" style of calligraphy, has hollow inner chamber structure, and the groove department at "concave" style of calligraphy is established to the rainwater storehouse, makes the volume of this integral type distribution of rain and sewage interchange access well reduce like this, and the structure is compacter, only needs carry out sewage conduit at the scene, and sewage conduit's the welding of assembling can put into use, has improved the work efficiency that distribution of rain and sewage conduit reformed transform, has reduced the work degree of difficulty, has promoted urban drainage system's engineering quality and whole image.
As a preferred technical scheme of the present invention, the sewage pipe includes a sewage inlet pipe and a sewage outlet pipe, the sewage inlet pipe is disposed at an inlet end of the sewage bin, and the sewage outlet pipe is disposed at an outlet end of the sewage bin; the rainwater pipe comprises a rainwater inlet pipe and a rainwater outlet pipe, the rainwater inlet pipe is arranged at the water inlet end of the rainwater bin, and the rainwater outlet pipe is arranged at the water outlet end of the rainwater bin.
As a preferred technical scheme of the invention, a sewage socket joint is arranged at the water inlet end and the water outlet end of the sewage bin, and the sewage inlet pipe and the sewage outlet pipe are hermetically connected with the sewage bin through the socket joints; the rainwater inlet end and the rainwater outlet end of the rainwater bin are respectively provided with a rainwater socket joint, and the rainwater inlet pipe and the rainwater outlet pipe are respectively connected with the rainwater bin through the rainwater socket joints.
As a preferred technical scheme of the invention, a water inlet end and a water outlet end of the sewage bin are both provided with sewage socket mounting grooves which are matched and connected with the sewage socket joint, and the sewage socket mounting grooves are communicated with the sewage bin; the inlet end and the outlet end of the rainwater bin are both provided with rainwater socket mounting grooves which are connected with the rainwater socket joints in a matched mode, and the rainwater socket mounting grooves are communicated with the rainwater bin.
As a preferred technical scheme of the invention, one end of the sewage socket joint is provided with a sewage pipe trapezoidal boss, an inner hole of the sewage pipe trapezoidal boss is square, the other end of the sewage socket joint is provided with a sewage circular groove, and the inner hole of the sewage circular groove is circular; the inner diameter of the inner hole of the sewage circular groove is smaller than that of the inner hole of the sewage pipe trapezoidal boss, and the inner hole of the sewage pipe trapezoidal boss is communicated with the inner hole of the sewage circular groove in the sewage socket joint; one end of the rainwater socket joint is provided with a rainwater pipe trapezoidal boss, the inner hole of the rainwater pipe trapezoidal boss is square, the other end of the rainwater socket joint is provided with a rainwater annular groove, and the inner hole of the rainwater annular groove is circular; the inner diameter of the inner hole of the rainwater ring-shaped groove is smaller than that of the inner hole of the rainwater pipe trapezoidal boss, and the inner hole of the rainwater pipe trapezoidal boss is communicated with the inner part of the rainwater socket joint.
As a preferred technical scheme, the sewage pipe trapezoid boss is connected with the sewage socket installation groove, and the rainwater pipe trapezoid boss is connected with the rainwater socket installation groove. The joint is sealed by a water-swelling water-stopping adhesive tape, and the joint is welded by using a welding technology after being sealed by the water-stopping adhesive tape.
Compared with the prior art, the invention has the beneficial effects that: the integrated rainwater and sewage diversion interchange manhole is cast by adopting a cast steel integrated process, so that the airtightness and integrity among a sewage bin, a rainwater bin and a pipeline of the manhole are ensured, the durability of the manhole is enhanced, and a settlement prevention mechanism of the manhole is played to a certain extent; meanwhile, in the urban rainwater and sewage flow distribution new construction and transformation project, the cast steel integrated structure can be prefabricated and formed together in a factory as a drainage pipeline or prefabricated in advance by measurement according to the specification of the existing drainage pipeline; the technical difficulties that in the prior art, a rainwater and sewage diversion inspection well needs to be built on site, construction difficulty is high, construction period is long, and service life is low are solved; the integrated rain and sewage diversion interchange manhole realizes the mass production of the manhole, can intercept and crush large scale dirt in a sewage pipeline through the technical scheme of the invention, and lightens the burden of a sewage treatment plant.
Drawings
The following further detailed description of embodiments of the invention is made with reference to the accompanying drawings:
FIG. 1 is a schematic view of the overall structure of an integrated rain and sewage diversion interchange manhole;
wherein: 1-opening of a sewage bin; 2-harmful gas detection sensor; 3-a sewage bin; 4, filtering the filter screen; 5, a motor; 6-crushing blade; 7-a sewage socket joint I; 8-sewage socket joint II; 9-a rainwater socket joint I; 10-a rainwater socket joint II; 11-a rainwater inlet pipe; 12-a rainwater outlet pipe; 13-a sewage inlet pipe; 14-a sewage outlet pipe; 15-rainwater bin.
Detailed Description
As shown in fig. 1, the integrated rain and sewage diversion interchange manhole of the invention comprises a sewage bin 3, a rainwater bin 15, a sewage treatment device, a sewage pipe and a rainwater pipe, wherein the sewage bin 3 is connected with the sewage pipe, the rainwater bin 15 is connected with the rainwater pipe, and the sewage treatment device is arranged at the sewage bin 3 and is used for treating sewage in the sewage; the sewage treatment device comprises a motor 5, a crushing blade 6 and a filter screen 4, wherein the motor 5 is arranged above the sewage pipe and penetrates into the sewage bin 3 through a transmission shaft to be connected with the crushing blade 6 arranged in the sewage bin 3, and the filter screen 4 is arranged in the sewage pipe and is arranged at one side of the crushing blade 6 to be close to the water outlet end of the sewage pipe; the sewage bin 3 further comprises a sewage bin opening 1, and an exhaust hole is formed in the position of the sewage bin opening 1 and used for exhausting the sewage bin 3; the inner wall of the opening 1 of the sewage bin is provided with a harmful gas detection sensor 2 for detecting the content and concentration of gas in the sewage bin in real time and transmitting the gas components and content in the sewage bin 3 to a data center through a communication module in the harmful gas detection sensor in real time; the cross section of the sewage bin 3 is concave, the rainwater bin 15 is arranged at the concave groove of the sewage bin 3 and is crossed with the sewage bin 3, so that the sewage bin 3 and the rainwater bin 15 form a cross structure, the sewage bin 3 is made of concave stainless steel materials and has a hollow inner cavity structure, and the rainwater bin 15 is arranged at the concave groove, so that the volume of the integrated rainwater and sewage diversion interchange overhaul well is reduced, the structure is more compact, the rainwater pipeline can be put into use only by splicing and welding the rainwater pipeline on site, the working efficiency of rainwater and sewage diversion pipeline reconstruction is improved, the working difficulty is reduced, and the engineering quality and the overall image of an urban drainage system are improved; the sewage pipe comprises a sewage inlet pipe 13 and a sewage outlet pipe 14, the sewage inlet pipe 13 is arranged at the water inlet end of the sewage bin 3, and the sewage outlet pipe 14 is arranged at the water outlet end of the sewage bin 3; the rainwater pipe comprises a rainwater inlet pipe 11 and a rainwater outlet pipe 12, the rainwater inlet pipe 11 is arranged at the water inlet end of the rainwater bin 15, and the rainwater outlet pipe 12 is arranged at the water outlet end of the rainwater bin 15; the water inlet end and the water outlet end of the sewage bin 3 are respectively provided with a sewage socket joint (comprising a sewage socket joint I7 and a sewage socket joint II 8), and the sewage inlet pipe 14 and the sewage outlet pipe are respectively connected with the sewage bin 3 in a sealing way through the socket joints; the rainwater inlet end and the rainwater outlet end of the rainwater bin 15 are both provided with a rainwater socket joint (comprising a rainwater socket joint I9 and a rainwater socket joint II 10), and the rainwater inlet pipe 11 and the rainwater outlet pipe 12 are both connected with the rainwater bin 15 through the rainwater socket joints; the water inlet end and the water outlet end of the sewage bin 3 are both provided with sewage socket mounting grooves which are matched and connected with the sewage socket joints, and the sewage socket mounting grooves are communicated with the sewage bin 3; the water inlet end and the water outlet end of the rainwater bin 15 are both provided with rainwater socket mounting grooves which are matched and connected with the rainwater socket joints, and the rainwater socket mounting grooves are communicated with the rainwater bin 15; one end of the sewage socket joint is provided with a sewage pipe trapezoidal boss, the inner hole of the sewage pipe trapezoidal boss is square, the other end of the sewage socket joint is provided with a sewage circular groove, and the inner hole of the sewage circular groove is circular; the inner diameter of the inner hole of the sewage circular groove is smaller than that of the inner hole of the sewage pipe trapezoidal boss, and the inner hole of the sewage pipe trapezoidal boss is communicated with the inner hole of the sewage circular groove in the sewage socket joint; one end of the rainwater socket joint is provided with a rainwater pipe trapezoidal boss, the inner hole of the rainwater pipe trapezoidal boss is square, the other end of the rainwater socket joint is provided with a rainwater annular groove, and the inner hole of the rainwater annular groove is circular; the sewage pipe trapezoid boss is connected with the sewage socket mounting groove, and the rainwater pipe trapezoid boss is connected with the rainwater socket mounting groove; the joint is sealed by a water-swelling water-stopping adhesive tape, and the joint is welded by using a welding technology after being sealed by the water-stopping adhesive tape.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended as illustrations of the principles of the invention, but that various changes and modifications, such as changes in size or variations in materials, may be made without departing from the spirit and scope of the invention, and all such changes and modifications are intended to be included within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides an integral type rain and sewage reposition of redundant personnel interchange manhole which characterized in that, includes sewage storehouse, rainwater storehouse, filth processing apparatus, sewage pipe and rainwater pipe, the sewage storehouse is connected with the sewage pipe, the rainwater storehouse is connected with the rainwater pipe, filth processing apparatus establishes sewage storehouse department for handle the filth in the sewage.
2. The integrated rain and sewage diversion interchange manhole according to claim 1, wherein the sewage treatment device comprises a motor, a crushing blade and a filter screen, the motor is arranged above the sewage pipe and penetrates into the sewage bin through a transmission shaft to be connected with the crushing blade arranged in the sewage bin, and the filter screen is arranged in the sewage pipe and is arranged at one side of the crushing blade, which is close to the water outlet end of the sewage pipe.
3. The integrated rain and sewage diversion interchange manhole according to claim 1, wherein the sewage bin further comprises a sewage bin opening, and an exhaust hole is formed in the sewage bin opening and used for exhausting air in the sewage bin.
4. The integrated rain and sewage diversion interchange manhole according to claim 3, wherein a harmful gas detection sensor is arranged on the inner wall of the opening of the sewage bin and used for detecting the content and concentration of gas in the sewage bin in real time.
5. The integrated rain and sewage separation interchange manhole according to claim 1, wherein the cross section of the sewage bin is concave, and the rainwater bin is arranged at a concave groove of the sewage bin and is crossed with the sewage bin, so that the sewage bin and the rainwater bin form a crossed structure.
6. The integrated rain and sewage diversion interchange manhole according to claim 5, wherein the sewage pipe comprises a sewage inlet pipe and a sewage outlet pipe, the sewage inlet pipe is arranged at the water inlet end of the sewage bin, and the sewage outlet pipe is arranged at the water outlet end of the sewage bin; the rainwater pipe comprises a rainwater inlet pipe and a rainwater outlet pipe, the rainwater inlet pipe is arranged at the water inlet end of the rainwater bin, and the rainwater outlet pipe is arranged at the water outlet end of the rainwater bin.
7. The integrated rain and sewage diversion interchange manhole according to claim 6, wherein a sewage socket joint is arranged at each of a water inlet end and a water outlet end of the sewage bin, and the sewage inlet pipe and the sewage outlet pipe are hermetically connected with the sewage bin through the socket joints; the rainwater inlet end and the rainwater outlet end of the rainwater bin are respectively provided with a rainwater socket joint, and the rainwater inlet pipe and the rainwater outlet pipe are respectively connected with the rainwater bin through the rainwater socket joints.
8. The integrated rain and sewage diversion interchange manhole according to claim 7, wherein a sewage socket mounting groove which is connected with the sewage socket joint in a matching way is formed at the water inlet end and the water outlet end of the sewage bin, and the sewage socket mounting groove is communicated with the sewage bin; the inlet end and the outlet end of the rainwater bin are both provided with rainwater socket mounting grooves which are connected with the rainwater socket joints in a matched mode, and the rainwater socket mounting grooves are communicated with the rainwater bin.
9. The integrated rain and sewage diversion interchange manhole according to claim 8, wherein one end of the sewage socket joint is provided with a sewage pipe trapezoidal boss, the inner hole of the sewage pipe trapezoidal boss is square, the other end of the sewage socket joint is provided with a sewage circular groove, and the inner hole of the sewage circular groove is circular; the inner diameter of the inner hole of the sewage circular groove is smaller than that of the inner hole of the sewage pipe trapezoidal boss, and the inner hole of the sewage pipe trapezoidal boss is communicated with the inner hole of the sewage circular groove in the sewage socket joint; one end of the rainwater socket joint is provided with a rainwater pipe trapezoidal boss, the inner hole of the rainwater pipe trapezoidal boss is square, the other end of the rainwater socket joint is provided with a rainwater annular groove, and the inner hole of the rainwater annular groove is circular; the inner diameter of the inner hole of the rainwater ring-shaped groove is smaller than that of the inner hole of the rainwater pipe trapezoidal boss, and the inner hole of the rainwater pipe trapezoidal boss is communicated with the inner part of the rainwater socket joint.
10. The integrated rainwater and sewage separation interchange manhole according to claim 9, wherein the sewage pipe trapezoidal boss is connected with the sewage socket mounting groove, and the rainwater pipe trapezoidal boss is connected with the rainwater socket mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110152537.XA CN112796402A (en) | 2021-02-03 | 2021-02-03 | Integrated rainwater and sewage separation interchange manhole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110152537.XA CN112796402A (en) | 2021-02-03 | 2021-02-03 | Integrated rainwater and sewage separation interchange manhole |
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| CN112796402A true CN112796402A (en) | 2021-05-14 |
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| CN202110152537.XA Pending CN112796402A (en) | 2021-02-03 | 2021-02-03 | Integrated rainwater and sewage separation interchange manhole |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876034A (en) * | 2022-03-24 | 2022-08-09 | 上海中韩杜科泵业制造有限公司 | Rainwater and sewage diversion intercepting well |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204570243U (en) * | 2015-03-27 | 2015-08-19 | 萧振林 | Automatic broken wool filtration system |
| CN111719664A (en) * | 2020-07-21 | 2020-09-29 | 阳谷天马建筑材料有限公司 | Assembled rain and sewage diversion interchange inspection well |
-
2021
- 2021-02-03 CN CN202110152537.XA patent/CN112796402A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204570243U (en) * | 2015-03-27 | 2015-08-19 | 萧振林 | Automatic broken wool filtration system |
| CN111719664A (en) * | 2020-07-21 | 2020-09-29 | 阳谷天马建筑材料有限公司 | Assembled rain and sewage diversion interchange inspection well |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876034A (en) * | 2022-03-24 | 2022-08-09 | 上海中韩杜科泵业制造有限公司 | Rainwater and sewage diversion intercepting well |
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Application publication date: 20210514 |