CN111663630B - Side wall type sewage intercepting bucket device suitable for horizontal mixed flow discharge port in closed conduit and sewage intercepting system - Google Patents
Side wall type sewage intercepting bucket device suitable for horizontal mixed flow discharge port in closed conduit and sewage intercepting system Download PDFInfo
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- CN111663630B CN111663630B CN202010375810.0A CN202010375810A CN111663630B CN 111663630 B CN111663630 B CN 111663630B CN 202010375810 A CN202010375810 A CN 202010375810A CN 111663630 B CN111663630 B CN 111663630B
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
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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
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
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Abstract
The invention provides a side wall type sewage intercepting hopper device suitable for a horizontal mixed flow discharge port in an underground channel and a sewage intercepting system, wherein a sewage intercepting hopper (3) is arranged on the side wall of the underground channel (1), the first side of the sewage intercepting hopper (3) is fixed with the side wall of the underground channel (1) through a first connecting position (12), an input interface pipe (22) is arranged on the first side of the sewage intercepting hopper (3) and is communicated with the horizontal mixed flow discharge port (2) through the input interface pipe (22), an overflow port (10) is arranged on the second side of the sewage intercepting hopper (3), and a sewage intercepting pipeline (14) is connected below the sewage intercepting hopper (3) through an interface (20); the invention creates a new sewage interception mode, and the sewage interception device is used for intercepting the sewage in the horizontal mixed flow discharge port on the inner side of the underdrain, so that the problem of serious pollution in the underdrain is effectively solved, the structure is simple, the assembly is convenient, and the maintenance and management work is basically not needed in the use process.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a side wall type sewage intercepting hopper device suitable for a horizontal mixed flow discharge port in an underdrain and a sewage intercepting system.
Background
The central area of the city is called a high-density built-up area due to dense population and high urban building density, and the drainage system of the high-density built-up area of the first-line city in south of China is mainly characterized in that an underdrain water system is developed, and most of the drainage system is located below a main road of the city and mainly takes the underdrain as a main road. The old community drainage system of the underdrain drainage basin of the high-density built-up area has the following characteristics: (1) mixing rain and sewage in the vertical pipe; (2) the conditions of rain and sewage misconnection, pipeline siltation, slope falling, sewage overflow and the like exist in the condition that the pipe diameter of the municipal main pipe is small under the current situation nearby; (3) the house on two sides along the hidden channel is close to the hidden channel without laying sewage pipelines, domestic sewage and domestic garbage directly enter the hidden channel through a rainwater port or a self-chiseled hole by dinnerries at both sides and residents in shops and urban villages, (4) the property of the upper cover of the hidden channel is dense, and most sewage is directly discharged into the hidden channel. For a long time, the concealed channel cannot be effectively treated, the river channel at the concealed culvert section is seriously silted, a large amount of pollutants are discharged to cause the black and odorous river channel, and the living environment and the watershed ecological environment of nearby residents are seriously influenced;
considering the particularity of the underdrains in the high-density built-up area, all the parts of the underdrains along the lines are urban main roads, the traffic is extremely difficult to break down, the underdrains have long history, the upper cover properties are dense, buildings on two sides are constructed adjacent to the channels, the two sides of the underdrains do not have construction conditions, subway lines near the partial underdrains are dense, subway lines near the lines are crossed, and the construction of sewage interception pipelines has great influence on the subways. Considering that there is no possibility of implementing a sewage intercepting pipeline on both sides of the underdrain due to a plurality of external factors of the underdrain, it is urgent to develop a device for intercepting sewage in the underdrain.
Disclosure of Invention
The invention aims to provide a side wall type sewage intercepting hopper device and a sewage intercepting system suitable for a horizontal mixed flow discharge port in an underdrain.
Therefore, the invention adopts the following technical scheme:
the utility model provides a side wall formula cuts dirty fill device suitable for horizontal mixed flow row mouth in closed conduit which characterized in that: be equipped with on the underdrain lateral wall and cut dirty fill, the first side that cuts dirty fill is fixed mutually with the underdrain lateral wall through first connection position, and the first side that cuts dirty fill sets up the input interface tube, through input interface tube and horizontal mixed flow row mouth intercommunication, and the second side that cuts dirty fill sets up the overflow mouth, and the below that cuts dirty fill has through the interface connection and cuts dirty pipeline.
Further: the sewage intercepting pipeline comprises a vertical section sewage intercepting pipeline connected with the bottom of the sewage intercepting hopper, and a horizontal section sewage intercepting pipeline is arranged below the vertical section sewage intercepting pipeline.
Further: the outer side of the vertical sewage intercepting pipeline is fixed on the support through a circular hoop, and the bottom of the support and the horizontal sewage intercepting pipeline are fixed through square-coated concrete.
Further: the sewage intercepting hopper is in the shape of an upper cylindrical buffer space and a lower conical buffer space; the input interface tube is arranged on the upper portion of the first side of the upper cylindrical cache space, the overflow port is arranged on the upper portion of the second side of the upper cylindrical cache space, and the second side is one of the side faces of the upper cylindrical cache space except the first side.
Further: the horizontal mixed flow discharge port penetrates through the side wall of the closed channel and is connected with the input interface pipe in a sealing manner; the embedded section of the input interface tube is provided with the first connecting part; the connection cavities are filled with micro-expansive concrete.
Further: and a gap filling material is arranged between the horizontal mixed flow discharge port and the sewage intercepting hopper.
Further: the outer surface of the sewage intercepting pipeline is sleeved with a supporting pipe.
Further: the caliber of the overflow port is larger than that of the horizontal mixed flow discharge port.
The invention provides a sewage interception system, which is characterized in that: the sewage intercepting device comprises any one of the side wall type sewage intercepting hopper devices based on the horizontal mixed flow discharge port in the underdrain, wherein a sewage conveying pipeline is arranged at the bottom of the underdrain and is connected section by section through a sewage inspection well, a concrete protective sleeve is arranged on the surface of the sewage conveying pipeline, and the bottom of the sewage intercepting pipeline is communicated with the side wall of the sewage inspection well; the square-wrapped concrete for protecting the sewage intercepting pipeline and the concrete protective sleeve are poured into a whole;
when dry seasons or rainfall intensity is small, the water quantity of the horizontal mixed flow discharge port is small, the sewage quantity entering the sewage intercepting hopper from the horizontal mixed flow discharge port is small, and sewage can preferentially enter the sewage conveying pipeline through the sewage intercepting pipeline;
when the rainfall intensity is high, the water quantity of the horizontal mixed flow discharge port is high, the sewage quantity entering the sewage intercepting bucket from the horizontal mixed flow discharge port is high, at the moment, confluence overflow is generated, and the sewage and the initial dirty rainwater are intercepted by the sewage intercepting bucket and enter a sewage conveying pipeline;
after sewage and dirty initial rainwater enter the sewage delivery pipe, the later stage rainwater and sewage mixture with better water quality overflows and overflows into the underdrain through an overflow port on the side part of the sewage intercepting hopper, and finally is directly discharged into a water body along with the underdrain.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention creates a new sewage interception mode under the condition that the two sides of the underdrain are not provided with sewage interception pipeline construction, and the sewage interception device is used for intercepting the sewage in the horizontal mixed flow discharge port on the inner side of the underdrain, thereby effectively solving the problem of serious pollution in the underdrain.
2. The intercepting hopper has the advantages of simple structure, small volume and convenience in assembly, can shorten the construction time, is suitable for intercepting sewage in the underdrain, and has strong practicability.
Drawings
FIG. 1 is a top view of an underdrain catch system 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;
FIG. 4 is a schematic view of the structure of the intercepting hopper;
fig. 5 is a partial sectional view of the shut-off funnel.
The labels in the figures are: 1-underdrain; 2-horizontal mixed flow discharge port; 3, a sewage intercepting hopper; 4-sewage inspection well; 5-a sewage conveying pipeline; 6-micro-expansion concrete; 7-caulking material; 8-a scaffold; 9-concrete protective sheath; 10-an overflow port; 11-a circular hoop; 12-a first attachment site; 13-square pack concrete; 14-a sewage intercepting pipeline; 15-a vertical section sewage intercepting pipeline; 16-a horizontal segment sewage interception pipeline; 17-supporting tube; 18-a well cover; 19-upper cylindrical buffer space; 20-interface; 21-connecting the cavity; 22-input interface tube; 23-lower conical shape; 24-steel wing ring.
Detailed Description
The invention is further illustrated by the following figures and examples, which are not to be construed as limiting the invention.
As shown in fig. 1-5, the present invention provides a side wall type sewage intercepting bucket device suitable for a horizontal mixed flow discharge port in an underdrain, a sewage intercepting bucket 3 is arranged on a side wall of the underdrain 1, a first side of the sewage intercepting bucket 3 is fixed with the side wall of the underdrain 1 through a first connecting portion 12, an input mouthpiece 22 is arranged on the first side of the sewage intercepting bucket 3, the sewage intercepting bucket is communicated with the horizontal mixed flow discharge port 2 through the input mouthpiece 22, an overflow port 10 is arranged on the second side of the sewage intercepting bucket 3, and a sewage intercepting pipeline 14 is connected below the sewage intercepting bucket 3 through a mouthpiece 20.
The sewage intercepting pipeline 14 comprises a vertical section sewage intercepting pipeline 15 connected with the bottom of the sewage intercepting hopper 3, a horizontal section sewage intercepting pipeline 16 is arranged below the vertical section sewage intercepting pipeline 15, and the gradient of the horizontal section sewage intercepting pipeline 16 relative to the horizontal plane is 1%.
The outer side of the vertical section sewage intercepting pipeline 16 is fixed on the support 8 through the circular hoop 11, the circular hoop 11 is made of steel bars with the diameter of 16mm, the bottom of the support 8 and the horizontal section sewage intercepting pipeline 16 are fixed through the square-coated concrete 13, the support 8 is composed of three parts, namely a vertical rod, a horizontal support and an inclined support, the vertical rod, the horizontal support and the inclined support need to be hung into the inside of the underdrain after the welding of the outside of the underdrain 1 is completed, and the materials are all angle steel.
The sewage intercepting hopper 3 is in the shape of an upper cylindrical buffer space 19 and a lower conical space 23; the input interface tube 22 is arranged at the upper part of the first side of the upper cylindrical buffer space 19, the overflow port 10 is arranged at the upper part of the second side of the upper cylindrical buffer space 19, and the second side is one of the side surfaces of the upper cylindrical buffer space 19 except the first side.
A connecting cavity 21 formed by chiseling is formed in the side wall of the underdrain 1 around the horizontal mixed flow discharge port 2, the input interface tube 22 is buried in the side wall of the connecting cavity 21, and the horizontal mixed flow discharge port 2 penetrates through the side wall of the underdrain 1 and is connected with the input interface tube 22 in a sealing mode; the embedded section of the input interface tube 22 is provided with the first connection position 12; the connection cavities 21 are filled with micro-expanded concrete 6. The limited expansion rate of the micro-expansive concrete is more than or equal to 0.025 percent, and the mixing amount of the expanding agent in each cubic concrete is 40 kg.
A steel wing ring 24 is fixed on the outer wall of the sewage intercepting hopper 3, micro-expansion concrete 6 is arranged between the steel wing ring 24 and the connecting concave cavity 21, and the steel wing ring 12 plays a limiting role in the sewage intercepting hopper 3.
And a gap filling material 7 is arranged between the horizontal mixed flow discharge port 2 and the sewage intercepting hopper 3, and the gap filling material 7 is asphalt hemp thread.
The outer surface of the sewage intercepting pipeline 14 is sleeved with a supporting pipe 17, and the supporting pipe 17 and the sewage intercepting hopper 3 are made of galvanized steel pipes.
The caliber of the overflow port 10 is larger than that of the horizontal mixed flow discharge port 2.
According to the sewage interception system provided by the invention, the bottom of the underdrain 1 is provided with the sewage conveying pipeline 5, the outlet end of the sewage conveying pipeline 5 is connected with the lifting pump station, so that sewage is conveyed to a sewage treatment plant, the sewage conveying pipeline 5 is connected section by section through the sewage inspection well 4, the surface of the sewage conveying pipeline 5 is provided with the concrete protective sleeve 9, and the bottom of the sewage interception pipeline 14 is communicated with the side wall of the sewage inspection well 4; the square-bag concrete 13 for protecting the sewage intercepting pipeline 14 and the concrete protective sleeve 9 are poured into a whole, and the top of the sewage inspection well 4 is provided with a well cover 18;
when dry seasons or rainfall intensity is small, the water quantity of the horizontal mixed flow discharge port 2 is small, the sewage quantity entering the sewage intercepting hopper 3 from the horizontal mixed flow discharge port 2 is small, the fullness of the sewage in the sewage intercepting hopper 3 is small, the sewage can preferentially enter the sewage conveying pipeline 5 through the sewage intercepting pipeline 14 and finally enter a sewage treatment plant;
when the rainfall intensity is high, the water quantity of the horizontal mixed flow discharge port 2 is high, the sewage quantity entering the sewage intercepting bucket 3 from the horizontal mixed flow discharge port 2 is high, the fullness of the sewage in the sewage intercepting bucket 3 is also high, at the moment, confluence overflow is generated, and the sewage and the initial dirty rainwater are intercepted by the sewage intercepting bucket 3 and enter the sewage conveying pipeline 5;
after sewage and dirty initial rainwater enter the sewage conveying pipe 5, the later stage rainwater and sewage mixture with good water quality overflows and overflows into the underdrain 1 through the overflow port 10 at the side part of the sewage intercepting hopper 3, and finally is directly discharged into a water body along with the underdrain 1.
In the implementation, the horizontal mixed flow discharge port 2 is a rain and sewage collecting pipe and the caliber value is generally 200< D1 ≤ 600.
The intercepting bucket 3 of the invention can adapt to the fluctuation of the sewage discharge amount of the horizontal mixed flow discharge port 2, so that when the sewage discharge amount of the horizontal mixed flow discharge port 2 fluctuates in a reasonable range, the sewage can be intercepted and discharged into the sewage conveying pipeline 5 by the intercepting bucket 3, and the large-flow rain-sewage mixed flow after the initial rain has relatively good water quality and is discharged into the underdrain through the overflow port, thereby avoiding increasing the meaningless load of a sewage treatment plant.
In the implementation, the intercepting hopper 3 is formed by welding galvanized steel pipes with the wall thickness of 10mm, the upper part is a cylindrical buffer space 19, the overflow ports 10 on the side parts are arranged in a circular shape, in order to ensure the intercepting effect and avoid the overflow of sewage, the optimal overflow port diameter is recommended to be (D1+10) mm, and the lower part of the intercepting hopper 3 is conical 23. The manual hole drilling is carried out on the periphery of the horizontal mixed flow discharge port 2 of the side wall of the underdrain 1, the reinforcing steel bars of the original underdrain 1 cannot be cut off in the chiseling process, in order to prevent sewage leakage, asphalt hemp threads are used for filling joints in the sewage interception hopper 3 and the horizontal mixed flow discharge port 2, and then the side wall of the underdrain is repaired by micro-expansion concrete 6.
In the implementation, the dirt intercepting pipeline 14 is a UPVC pipe, the outer sleeve supports the pipe 17, and the optimal pipe diameter of the dirt intercepting pipeline 14 is recommended to be
Avoid causing the overflow serious because of the pipe diameter undersize to pollute the water, avoid simultaneously because of the pipe diameter is too big, lead to the water yield increase of entering sewage treatment plant, increase sewage treatment plant's operational load.
In the implementation, sewage inspection shaft 4 is the concrete well, and the outer wall sets up for the rectangle, and the inner wall is the plastics finished product circular, hugs closely 1 lateral wall of underdrain, and sewage inspection shaft 4 intercommunication sewage conveying pipeline 5, and sewage conveying pipeline 5 lays along the direction parallel with underdrain 1, and the protection is pour to outside use concrete sheath 9. The well diameter of the inner wall of the sewage inspection well 4 is larger than the pipe diameter of the sewage conveying pipeline 5, and the distance between the pipe bottom of the sewage conveying pipeline 5 and the well bottom of the sewage inspection well 7 is not larger than 10 cm.
The above embodiment is merely a preferred embodiment of the present invention, and those skilled in the art will understand that modifications or substitutions of technical solutions or parameters in the embodiment can be made without departing from the principle and essence of the present invention, and all of them shall be covered by the protection scope of the present invention.
Claims (6)
1. The utility model provides a side wall formula cuts dirty fill device suitable for horizontal mixed flow row mouth in closed conduit which characterized in that: a sewage intercepting hopper (3) is arranged on the side wall of the closed conduit (1), the first side of the sewage intercepting hopper (3) is fixed with the side wall of the closed conduit (1) through a first connecting part (12), an input interface pipe (22) is arranged on the first side of the sewage intercepting hopper (3) and is communicated with the horizontal mixed flow discharge port (2) through the input interface pipe (22), an overflow port (10) is arranged on the second side of the sewage intercepting hopper (3), and a sewage intercepting pipeline (14) is connected below the sewage intercepting hopper (3) through a connector (20);
the sewage intercepting pipeline (14) comprises a vertical sewage intercepting pipeline (15) connected with the bottom of the sewage intercepting hopper (3), and a horizontal sewage intercepting pipeline (16) is arranged below the vertical sewage intercepting pipeline (15);
the sewage intercepting bucket (3) is in the shape of an upper cylindrical buffer space (19) and a lower conical buffer space (23); the input interface tube (22) is arranged at the upper part of the first side of the upper cylindrical buffer space (19), the overflow port (10) is arranged at the upper part of the second side of the upper cylindrical buffer space (19), and the second side is one of the side surfaces of the upper cylindrical buffer space (19) except the first side;
a connecting cavity (21) formed by chiseling is formed in the side wall of the underdrain (1) around the horizontal mixed flow discharge port (2), the input interface tube (22) is buried in the side wall of the connecting cavity (21), and the horizontal mixed flow discharge port (2) penetrates through the side wall of the underdrain (1) and is connected with the input interface tube (22) in a sealing mode; the embedded section of the input interface tube (22) is provided with the first connecting part (12); the connecting cavities (21) are filled with micro-expanded concrete (6).
2. The side wall type sewage intercepting bucket device suitable for the horizontal mixed flow discharge port in the underdrain according to claim 1, wherein: the outer side of the vertical sewage intercepting pipeline (15) is fixed on the support (8) through a circular hoop (11), and the bottom of the support (8) and the horizontal sewage intercepting pipeline (16) are fixed through square-coated concrete (13).
3. The side wall type sewage intercepting bucket device suitable for the horizontal mixed flow discharge port in the underdrain according to claim 1, wherein: and a gap filling material (7) is arranged between the horizontal mixed flow discharge port (2) and the sewage intercepting hopper (3).
4. The side wall type sewage intercepting bucket device suitable for the horizontal mixed flow discharge port in the underdrain according to claim 1, wherein: the outer surface of the sewage intercepting pipeline (14) is sleeved with a supporting pipe (17).
5. The side wall type sewage intercepting bucket device suitable for the horizontal mixed flow discharge port in the underdrain according to claim 1, wherein: the caliber of the overflow port (10) is larger than that of the horizontal mixed flow discharge port (2).
6. A sewage interception system, characterized in that: the side wall type sewage intercepting hopper device comprises the side wall type sewage intercepting hopper device as claimed in any one of claims 1 to 5, wherein a sewage conveying pipeline (5) is arranged at the bottom of the underdrain (1), the sewage conveying pipelines (5) are connected section by section through a sewage inspection well (4), a concrete protective sleeve (9) is arranged on the surface of each sewage conveying pipeline (5), and the bottom of each sewage intercepting pipeline (14) is communicated with the side wall of the sewage inspection well (4); the square-wrapped concrete (13) for protecting the sewage intercepting pipeline (14) and the concrete protective sleeve (9) are poured into a whole;
when the dry season or the rainfall intensity is small, the water quantity of the horizontal mixed flow discharge port (2) is small, the sewage quantity of the horizontal mixed flow discharge port (2) entering the sewage intercepting hopper (3) is small, and the sewage can preferentially enter the sewage conveying pipeline (5) through the sewage intercepting pipeline (14);
when the rainfall intensity is high, the water quantity of the horizontal mixed flow discharge port (2) is high, the sewage quantity entering the sewage intercepting bucket (3) from the horizontal mixed flow discharge port (2) is high, confluence overflow is generated at the moment, and the sewage and the initial dirty rainwater are intercepted by the sewage intercepting bucket (3) and enter a sewage conveying pipeline (5);
after sewage and dirty initial rainwater enter the sewage conveying pipeline (5), a later stage rainwater and sewage mixture with good water quality overflows and overflows into the underdrain (1) through an overflow port (10) on the side part of the sewage intercepting hopper (3), and finally is directly discharged into a water body along with the underdrain (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010375810.0A CN111663630B (en) | 2020-05-07 | 2020-05-07 | Side wall type sewage intercepting bucket device suitable for horizontal mixed flow discharge port in closed conduit and sewage intercepting system |
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| CN202010375810.0A CN111663630B (en) | 2020-05-07 | 2020-05-07 | Side wall type sewage intercepting bucket device suitable for horizontal mixed flow discharge port in closed conduit and sewage intercepting system |
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| CN111663630A CN111663630A (en) | 2020-09-15 |
| CN111663630B true CN111663630B (en) | 2021-11-05 |
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| 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 |
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