CN212742813U

CN212742813U - Filtering slow-release drainage ditch structure

Info

Publication number: CN212742813U
Application number: CN202021045116.4U
Authority: CN
Inventors: 王磊; 姜驭东; 邵海静; 燕超
Original assignee: Huai'an Municipal Design And Research Institute Co Ltd
Current assignee: Huai'an Municipal Design And Research Institute Co Ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-03-19
Anticipated expiration: 2030-06-09

Abstract

The utility model discloses a filter slowly-releasing type escape canal structure, concretely relates to municipal drainage field, including the escape canal body, the escape canal body sets up for the slope, the even a plurality of filter screen that is provided with in inside bottom interval of the escape canal body, four edges of filter screen all are provided with the mounting, the mounting passes through expansion bolts and fixes setting on the inside wall of the escape canal body, adjacent two the steel wire connection is passed through to the bottom of filter screen, the metalling has been laid to the inside top that is located the filter screen of the escape canal body, the fixed manger plate weir wall that is provided with in slope end of the escape canal body, just the even a plurality of wash port that is provided with in interval on the manger plate wall, the outside of the escape canal body is provided with the dry stone layer, the outside on dry stone layer is provided with the coarse sand layer, the outside on coarse sand layer is provided with the fine sand layer. The utility model discloses can filter and purify the rainwater, be applicable to the drainage in the no afforestation place in sponge city.

Description

Filtering slow-release drainage ditch structure

Technical Field

The utility model relates to a municipal drainage technical field, more specifically say, the utility model relates to a filter slowly-releasing type escape canal structure.

Background

The drainage ditch refers to a ditch which leads water collected in a side ditch, a catch basin and a low-lying part near a roadbed, a crop field and a house to the roadbed, the crop field and the house field. The design of the drainage ditch (design of drainage ditch pitch) determines the depth and the interval of the field drainage ditches according to the engineering layout and the engineering standard of a drainage system, and analyzes and calculates the flow, the water level, the section size and the engineering quantity of each level of drainage ditch and buildings.

The difference between south and north of China is large, the precipitation in south is large, and a plurality of sponge cities exist. The sponge city is a new generation of urban rainfall flood management concept, and means that the city has good elasticity in the aspects of adapting to environmental changes, coping with natural disasters caused by rainwater and the like, and can be also called as a water elasticity city.

And when the sponge city design does not have the place drainage of afforestation, the rainwater can not obtain filtration purification, inconvenient later stage of rainwater is used.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a filter slowly-releasing type escape canal structure, the utility model aims to solve the technical problem that: how to filter and purify rainwater in a green-free place.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a filter slowly-releasing type escape canal structure, includes the drainage ditch body, the fixed apron that is provided with in upper end of the drainage ditch body, the drainage ditch body sets up for the slope, the even a plurality of filter screen that is provided with in inside bottom interval of the drainage ditch body, four edges of filter screen all are provided with the mounting, the mounting passes through expansion bolts and fixes setting up on the inside wall of the drainage ditch body, adjacent two the bottom of filter screen is passed through the steel wire and is connected, the inside of the drainage ditch body is located the top of filter screen and has been laid the metalling, the slope end of the drainage ditch body is fixed and is provided with the manger plate weir wall, just the even a plurality of wash port that is provided with in interval on the manger plate wall, the outside of the drainage ditch body is provided with the dry stone layer, the outside on dry stone layer is provided with the coarse sand layer, the outside on.

In a preferred embodiment, the inclination angle of the gutter body is 9 °, and the cover plate is fixedly disposed at the upper end of the gutter body by bolts.

In a preferred embodiment, the height of the water retaining weir wall is half of the height of the inclined end of the drainage ditch body, and the diameter of the drainage hole on the water retaining weir wall is 1.0 cm.

In a preferred embodiment, the filter screen is made of corrosion-resistant steel wire mesh, and two ends of the filter screen are arranged close to the inner side wall of the drainage ditch body.

In a preferred embodiment, the particle size of the inner part of the coarse sand layer is 1-3.7mm, and the thickness is 200-250 mm.

In a preferred embodiment, the particle size inside the fine sand layer is 1.6-2.2mm, and the thickness is 150-200 mm.

Compared with the prior art, the utility model discloses a technological effect and advantage:

1. the utility model discloses a be provided with the metalling in the internal portion of drainage ditch, when the rainwater flows through the drainage ditch, the metalling can filter the rainwater and purify, through be provided with the manger plate weir wall at the slope end of drainage ditch, the manger plate weir wall can reduce the speed that the rainwater discharged, slowly arranges the rainwater for the metalling is better to the filtration purification effect of rainwater, compares with prior art, the utility model discloses can filter the rainwater and purify, be applicable to the drainage in the non-greening place in sponge city;

2. the utility model discloses a be provided with the filter screen, lay the metalling at the filter screen, the convenient regular clearance to the drainage ditch body can directly take out the metalling from the drainage ditch body through the filter screen, then utilize the sparge water to wash the drainage ditch body can, make things convenient for the clearance in drainage ditch.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the drainage ditch body of the present invention.

Fig. 3 is an enlarged schematic view of a structure shown in fig. 1 according to the present invention.

Fig. 4 is the schematic view of the connection structure of the two filter screens of the present invention.

The reference signs are: 1 drainage ditch body, 2 apron, 3 filter screens, 4 mounting, 5 expansion bolts, 6 rubble layers, 7 manger plate weir wall, 8 wash ports, 9 dry masonry layers, 10 coarse sand layer, 11 fine sand layer, 12 steel wires.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The structure of the slow-release filtering drainage ditch shown in fig. 1-2 comprises a drainage ditch body 1, wherein a cover plate 2 is fixedly arranged at the upper end of the drainage ditch body 1, the drainage ditch body 1 is obliquely arranged, a gravel layer 6 is laid above a filter screen 3 in the drainage ditch body 1, a water retaining weir wall 7 is fixedly arranged at the oblique end of the drainage ditch body 1, a plurality of drainage holes 8 are uniformly arranged on the water retaining weir wall 7 at intervals, a dry masonry layer 9 is arranged on the outer side of the drainage ditch body 1, a coarse sand layer 10 is arranged on the outer side of the dry masonry layer 9, and a fine sand layer 11 is arranged on the outer side of the coarse sand layer 10.

Further, the inclination angle of the drainage ditch body 1 is 9 degrees, the cover plate 2 is fixedly arranged at the upper end of the drainage ditch body 1 through bolts, and the drainage ditch body 1 is arranged in an inclined manner, so that rainwater can flow conveniently, and the drainage ditch body 1 can be cleaned conveniently.

Furthermore, the height of the water retaining weir wall 7 is half of the height of the inclined end of the drainage ditch body 1, the aperture of the drainage hole 8 on the water retaining weir wall 7 is 1.0cm, and when rainstorm occurs and rainwater in the drainage ditch body 1 exceeds the height of the water retaining weir wall 7, the rainwater can overflow the water retaining weir wall 7 and be quickly drained into the rainwater pipe network.

Further, the particle size inside the coarse sand layer 10 is 1-3.7mm, and the thickness is 200-250 mm; the grain diameter in the fine sand layer 11 is 1.6-2.2mm, the thickness is 150-200mm, the coarse sand layer 10 and the fine sand layer 11 can make the water in the soil at the two sides of the drainage ditch body 1 flow into the drainage ditch body 1, and can prevent the soil from flowing into the drainage ditch body 1, thereby avoiding the loss of the soil.

The implementation mode is specifically as follows: when the rainwater filtering device is used, rainwater flows along the drainage ditch body 1 which is obliquely arranged, when the rainwater flows to the tail end of the drainage ditch body 1, the rainwater flows into a drainage pipe network through the drainage holes 8 on the water retaining weir wall 7, and when the rainwater flows in the drainage ditch body 1, the gravel layer 6 can filter and purify the rainwater; when rainstorm occurs, the rainwater in the drainage ditch body 1 is more, and when the rainwater height exceeds the height of the water retaining weir wall 7, the rainwater can overflow the water retaining weir wall 7 and be quickly drained into the rainwater pipe network.

According to the filtering slow-release drainage ditch structure shown in figures 3-4, a plurality of filter screens 3 are uniformly arranged at the bottom of the drainage ditch body 1 at intervals, fixing pieces 4 are arranged at four corners of each filter screen 3, each fixing piece 4 is fixedly arranged on the inner side wall of the drainage ditch body 1 through expansion bolts 5, and the bottom ends of the filter screens 3 are connected through steel wires 12.

Further, the filter screen 3 adopts corrosion-resistant steel wire net, the inside wall setting of the drainage ditch body 1 is hugged closely at the both ends of filter screen 3, adopts corrosion-resistant steel wire net can prevent the rainwater to the damage of filter screen 3, increases the life of filter screen 3.

The implementation mode is specifically as follows: after using a period, the inside impurity rubbish of the drainage ditch body 1 is more, influence the drainage efficiency and the filtration purification effect of rainwater, when needing to clear up the drainage ditch body 1, take off the expansion bolts 5 at filter screen 3 edge, steel wire 12 between two adjacent filter screens 3 is unscrewed, then loop through filter screen 3 and lift up rubble layer 6 from the drainage ditch body 1, utilize the sparge water to wash the drainage ditch body 1, detect the rubbish in rubble layer 6, after the clearance is accomplished, lay filter screen 3 and rubble layer 6 inside the drainage ditch body 1 can.

The utility model discloses beneficial effect: through at the internal portion of escape canal be provided with the metalling, when the rainwater flows through the escape canal body, the metalling can carry out filtration purification to the rainwater, is provided with the manger plate weir wall through the slope end at the escape canal body, and the manger plate weir wall can reduce the speed of rainwater drainage, slowly arranges the rainwater for the metalling is better to the filtration purification effect of rainwater, compares with prior art, the utility model discloses can be applicable to the drainage in the no afforestation place in sponge city to rainwater filtration purification.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a filter slowly-releasing type escape canal structure, includes the escape canal body (1), the fixed apron (2) that are provided with in upper end of the escape canal body (1), its characterized in that: the drainage ditch body (1) is obliquely arranged, a plurality of filter screens (3) are uniformly arranged at the bottom end inside the drainage ditch body (1) at intervals, fixing pieces (4) are arranged at four corners of each filter screen (3), the fixing pieces (4) are fixedly arranged on the inner side wall of the drainage ditch body (1) through expansion bolts (5), the bottom ends of two adjacent filter screens (3) are connected through steel wires (12), a gravel layer (6) is laid above the filter screens (3) inside the drainage ditch body (1), a water-retaining weir wall (7) is fixedly arranged at the inclined end of the drainage ditch body (1), a plurality of drainage holes (8) are uniformly arranged on the water-retaining weir wall (7) at intervals, a dry masonry layer (9) is arranged on the outer side of the drainage ditch body (1), and a coarse sand layer (10) is arranged on the outer side of the dry masonry layer (9), and a fine sand layer (11) is arranged on the outer side of the coarse sand layer (10).

2. The structure of a filtering slow-release drain ditch according to claim 1, wherein: the inclination angle of the drainage ditch body (1) is 9 degrees, and the cover plate (2) is fixedly arranged at the upper end of the drainage ditch body (1) through bolts.

3. The structure of a filtering slow-release drain ditch according to claim 1, wherein: the height of the water retaining weir wall (7) is half of the height of the inclined end of the drainage ditch body (1), and the aperture of the drainage hole (8) on the water retaining weir wall (7) is 1.0 cm.

4. The structure of a filtering slow-release drain ditch according to claim 1, wherein: the filter screen (3) adopts corrosion-resistant steel wire mesh, the inside wall setting of the drainage ditch body (1) is hugged closely at the both ends of filter screen (3).

5. The structure of a filtering slow-release drain ditch according to claim 1, wherein: the particle size of the inside of the coarse sand layer (10) is 1-3.7mm, and the thickness is 200-250 mm.

6. The structure of a filtering slow-release drain ditch according to claim 1, wherein: the particle diameter of the inside of the fine sand layer (11) is 1.6-2.2mm, and the thickness is 150-200 mm.