CN217299204U

CN217299204U - Smooth open channel drainage system

Info

Publication number: CN217299204U
Application number: CN202220032313.5U
Authority: CN
Inventors: 梁育雄; 梁育豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-08-26
Anticipated expiration: 2032-01-07

Abstract

The utility model provides a smooth open channel drainage system, its characterized in that: comprises an open channel which is constructed along a street and is lower than the road surface of the street; an opening for water on the road surface of the street to flow into the open channel is formed above the open channel; the inner wall of the open channel is a smooth wall surface; the end of the open channel is arranged adjacent to a river or lake and is provided with a drainage device for discharging water to the river or lake. This drainage system's drainage is fast, can avoid the rainwater to be detained on the road surface, prevents rainstorm waterlogging phenomenon, and the construction degree of difficulty is little, and the cost is with low costs.

Description

Smooth open channel drainage system

Technical Field

The utility model relates to a drainage technical field, more specifically say, relate to a smooth open channel drainage system.

Background

The pipe ditches buried underground are used as rainwater receiving and conveying tools in China, and the rainwater receiving and conveying tools are buried underground, so that the channels between the rainwater receiving and conveying tools and the rainwater on the ground are only rainwater grates distributed on the ground; the rainwater grates are arranged at intervals (generally about 40 meters) along the trend of the underground pipe trench. The area of the rain grate is small, usually 30cm multiplied by 40cm, but the maximum is not more than 40cm multiplied by 120 cm. Because the area of the rainwater grate is small and the distribution is thin, the ground water can only be squeezed in, the ground water is increased violently in rainstorm, and the water can only be retained on the ground after being squeezed in. The flow of rainwater within the downcomer is a gravity flow mode. The hydraulic slope of the pipe trench is not large due to the restriction of the terrain and construction conditions, and the flow speed is usually about 1 m/s; so it is not timely to intake water, and the velocity of flow is not high, and current drainage mode can only deal with the light rain, and the flood appears when rainstorm comes easily.

Therefore, it is urgent to design a drainage system with timely inflow and high flow rate to avoid rainwater retention on the road and prevent the urban waterlogging caused by rainstorm.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the shortcoming and not enough among the prior art, provide one kind intake fast and drainage, can avoid the rainwater to be detained on the road surface, prevent rainstorm urban waterlogging phenomenon, the construction degree of difficulty is little, cost is with low costs smooth open channel drainage system.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a smooth open channel drainage system which characterized in that: comprises an open channel which is constructed along a street and is lower than the road surface of the street; an opening for water on the road surface of the street to flow into the open channel is arranged above the open channel; the inner wall of the open channel is a smooth wall surface; the end of the open channel is arranged adjacent to a river or lake and is provided with a drainage device for discharging water to the river or lake.

In the drainage system, the inner wall of the open channel is a smooth wall surface, and the flow velocity is related to the smoothness degree of the water channel, so that the flow velocity of water flow can be accelerated due to the smooth inner wall of the open channel, and the drainage device is arranged at the tail end of the open channel to provide water flow power, so that the drainage speed of the open channel is far greater than that of the existing underground pipe network; the road surface rainwater flows into the open channel from the open channel opening and then flows in the open channel quickly until the rainwater is discharged into rivers or lakes, so that the rainwater is prevented from being retained on the road surface, the rainstorm waterlogging phenomenon is prevented, the construction difficulty is low, and the manufacturing cost is low. The smooth surface can be made of concrete surface polishing, and can also be made of a material (such as ceramic tiles and the like) veneering with a smooth surface; staff easily gets into the inside clean, maintenance and the maintenance of open channel to the open channel, guarantees that the open channel inner wall is smooth to ensure the open channel velocity of flow.

Preferably, the open channel adopts a fully open mode or a partially covered mode; when a full-open mode is adopted, the open channel opening is an open surface of the open channel; when adopting the partial mode of covering, the open channel top is laid regularly at every interval and is provided with one section cover structure, leaves open interval between the adjacent cover structure, and the open channel opening is opened the face and is set up the water inlet on cover structure including the open channel in the open interval.

When a partial covering mode is adopted, the covering structure can be a structure for beautifying and decorating, such as a flower bed, an ornament and the like; the open channel can be hidden under the structures such as flower bed, ornaments and the like; and can realize reforming under the condition that the arrangement of the existing street functional area is not changed.

Preferably, the covering structure is erected on the street pavements at two sides of the open channel to cover the open channel; or the two side street pavements extend to the upper part of the open channel to partially cover the open channel, and the covering structure is erected on the area of the two side street pavements above the open channel to cover the open channel. The latter scheme can increase the available width of the street, and is convenient for vehicle driving and pedestrian walking.

Preferably, a pressurizing device is distributed in the open channel at regular intervals of acceleration distance.

Preferably, the smooth wall surface means: smooth wall surface with convex-concave error less than or equal to 0.3 micron per square centimeter area. The smooth wall surface is adopted in the open channel, the flow velocity of the open channel can reach more than 20m/s, and compared with the flow velocity of the existing underground pipe network of 0.5-2 m/s, the flow velocity can be effectively improved.

Preferably, the width of the open channel is more than or equal to 2 m; the height of the open channel is more than or equal to 2.5 m; not only can satisfy the rainstorm day drainage demand, can provide enough space again and supply the staff to carry out the construction in the open channel.

Preferably, the drainage device is a water pump.

Preferably, the open channel is constructed along a street straight line or a broken line or a curved line.

Compared with the prior art, the utility model has the advantages of as follows and beneficial effect:

1. the drainage system of the utility model can make the rainwater on the road surface quickly enter the open channel and quickly discharge into rivers or lakes through the open channel, thereby avoiding the rainwater retention on the road surface, preventing the waterlogging phenomenon of rainstorm cities, having small construction difficulty and low cost;

2. the drainage system of the utility model has the advantages that the staff can easily enter the open channel to clean, maintain and repair the open channel, and the smooth inner wall of the open channel is ensured, so that the flow velocity of the open channel is ensured;

3. the utility model discloses drainage system can realize reforming transform under the unchangeable condition of current street functional area arrangement.

Drawings

Fig. 1 is a schematic structural arrangement diagram of the smooth open channel drainage system of the present invention;

FIG. 2 is a schematic view of a smooth open channel drainage system according to a second embodiment;

wherein, 1 is an open channel, 2 is a smooth wall surface, 3 is a drainage device, 4 is a river or lake, 5 is a covering structure, 6 is a trunk road, 7 is a sidewalk, 8 is a water inlet, and 9 is a street.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1, the drainage system for a smooth open channel of the present embodiment includes an open channel 1; the open channel 1 is constructed along a street, and may be linear, broken or curved depending on the street tendency, and the open channel 1 is lower than the road surface of the street. The open channel 1 adopts a partial covering mode; a covering structure 5 is arranged above the open channel 1 at regular intervals; specifically, the covering structure 5 is erected on the street surface on both sides of the open channel 1 to cover the open channel 1. The covering structure 5 can be a structure for beautifying and decorating, such as a flower bed, an ornament and the like; the open channel 1 can be hidden under structures such as flower beds, ornaments and the like; and can realize reforming under the condition that the arrangement of the existing street functional area is not changed.

An open space is left between adjacent covering structures 5; an opening for water on the road surface of the street to flow into the open channel is arranged above the open channel 1; the open channel opening comprises an open face of the open channel within the open spacing and a water inlet arranged on the cover structure 5.

The inner wall of the open channel 1 is a smooth wall surface 2; the end of the open channel 1 is arranged near a river or lake 4 and is provided with a drainage device 3 for discharging water to the river or lake 4; the drainage device 3 preferably adopts a water pump; the water pump can adopt the current water pump, and water pump model and quantity can be according to rainfall size configuration.

In the drainage system, the inner wall of the open channel is a smooth wall surface 2, so that the flow velocity of water flow can be accelerated, and the drainage device 3 is arranged at the tail end of the open channel 1 to provide water flow power, so that the drainage speed of the open channel 1 is far greater than that of the existing underground pipe network; the road surface rainwater flows into the open channel 1 from the open channel 1 and then flows in the open channel 1 rapidly until the rainwater is discharged to rivers or lakes 4, so that the rainwater is prevented from being retained on the road surface, the rainstorm waterlogging phenomenon is prevented, the construction difficulty is small, and the construction cost is low. The smooth surface can be made by polishing the surface of concrete, and can also be made by facing materials (such as ceramic tiles and the like) with smooth surfaces; the staff easily gets into the inside open channel 1 and cleans, maintains and maintains open channel 1, guarantees that open channel 1 inner wall is smooth to ensure open channel 1 velocity of flow.

The preferred scheme is as follows: 2, the surface of the smooth wall is 2, and the convex-concave error of each square centimeter area is less than or equal to 0.3 micrometer; the smooth wall surface 2 is adopted in the open channel 1, the flow velocity of the open channel 1 can reach more than 20m/s, and compared with the flow velocity of the existing underground pipe network of 0.5-2 m/s, the flow velocity can be effectively improved.

The open channel dimensions are preferably: the width of the open channel is more than or equal to 2 m; the height of the open channel is more than or equal to 2.5 m; not only can satisfy the rainstorm day drainage demand, can provide enough space again and supply the staff to carry out the construction in the open channel 1.

In this embodiment, the open channel is located between two main roads 6, and in practical applications, the open channel may be located at other positions on the street.

Example two

The difference between the drainage system for a smooth open channel of the present embodiment and the first embodiment is that: in the present embodiment, as shown in fig. 2, the road surfaces of the two side streets 9 extend to above the open channel 1 to partially cover the open channel 1, and the covering structure 5 is erected on the area of the road surfaces of the two side streets 9 above the open channel 1 to cover the open channel 1; a water inlet 8 is provided on the covering structure 5. This scheme can increase the available width in street, and the vehicle of being convenient for goes and pedestrian walks. The rest of the structure of the present embodiment is the same as that of the first embodiment.

EXAMPLE III

The difference between the drainage system for a smooth open channel of the present embodiment and the first embodiment is that: in this embodiment, the pressurizing devices are disposed in the open channel at regular intervals to further accelerate the water flow. The rest of the structure of the present embodiment is the same as that of the first embodiment.

Example four

The difference between the drainage system for a smooth open channel of the present embodiment and the first embodiment is that: in this embodiment, the open channel adopts the full open mode, and the open channel opening is the open face of open channel. The rest of the structure of the present embodiment is the same as that of the first embodiment.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. The utility model provides a smooth open channel drainage system which characterized in that: comprises an open channel which is constructed along a street and is lower than the road surface of the street; an opening for water on the road surface of the street to flow into the open channel is arranged above the open channel; the inner wall of the open channel is a smooth wall surface; the end of the open channel is arranged adjacent to a river or lake and is provided with a drainage device for discharging water to the river or lake.

2. The smooth open channel drainage system of claim 1, wherein: the open channel adopts a full-open mode or a partial covering mode; when a full-open mode is adopted, the open channel opening is an open surface of the open channel; when the mode is covered partially, the distance is laid regularly above the open channel and a section of covering structure is arranged, an open space is reserved between adjacent covering structures, and the open channel opening comprises an open surface of the open channel in the open space and a water inlet arranged on the covering structure.

3. The smooth open channel drainage system of claim 2, wherein: the covering structure is erected on the street pavements at two sides of the open channel to cover the open channel; or the road surfaces of the two sides of the street extend to the upper part of the open channel to partially cover the open channel, and the covering structure is erected on the area of the road surfaces of the two sides of the street above the open channel to cover the open channel.

4. The smooth open channel drainage system of claim 1, wherein: and pressurizing devices are distributed in the open channel at regular intervals of acceleration distance.

5. The smooth open channel drainage system of any one of claims 1 to 4, wherein: the smooth wall surface is: smooth wall surface with convex-concave error less than or equal to 0.3 micron per square centimeter area.

6. The smooth open channel drainage system of any one of claims 1 to 4, wherein: the width of the open channel is more than or equal to 2 m; the height of the open channel is more than or equal to 2.5 m.

7. The smooth open channel drainage system of any one of claims 1 to 4, wherein: the drainage device is a water pump.

8. The smooth open channel drainage system of any one of claims 1 to 4, wherein: the open channel is constructed along a street straight line or a broken line or a curved line.