The system of drainage and surface runoff treatment

 

(57) Abstract:

The invention relates to the field of road construction and can be used for removal and cleaning runoff of rainwater, snow melt and sprinkling water from the surface of highways, Railways, built-up areas, industrial sites and other diversion and treatment of surface runoff includes seal from the surrounding soil, consistently communicated between a drain manifold, a settling chamber, separated by a dam settling chamber into two sections coarse and fine cleaning, respectively, biological pond, consisting of shallow bio Mesa and deep pool next to the last filter chamber, separated from him by drainage dam, and discharge manifold. The system is equipped located in front of the shallow bio Mesa additional filter dam. Dams and walls of the deep basin consist of stacked layers of filter materials, the thickness and contour of the deep pools in the horizontal projection has the shape of a triangle with the apex directed toward the shallow bio Mesa, the contours of the surfaces of the filter and the additional filter dams are made concave, by settling chamber are made convex in the horizontal projection relative to the direction of flow of surface runoff. The technical result is to increase the performance of the extraction system and treatment of surface runoff and improving the quality of cleaning. 2 Il.

The invention relates to the field of construction and can be used for removal and cleaning runoff of rainwater, snow melt and sprinkling water from road, rail, built-up areas, industrial sites, etc.

A well-known system of drainage and treatment of surface runoff, including rainwater collector, settling chamber, a separating chamber with an input, an output and a lateral exit of the cleaned fluid, filter chamber and outlet manifold (see SU 1776636 A1, 23.11.92).

The disadvantages of the known systems of drainage and treatment of surface runoff is low productivity due to the complexity of its design, which has a large number of mechanical components, increasing the probability of malfunction, which also reduces the quality of surface runoff treatment.

The closest in technical essence and the achieved result is a system of drainage and treatment of surface runoff, including water-insulated from the surrounding soil, consistently communicated between a water biological pond consisting of shallow bio Mesa and deep pool next to the last filter chamber, separated from him by drainage dam and outlet manifold (see EN 2137884 C1, 25.02.99, IPC 6 E 03 F 1/00).

The disadvantages of the known systems of drainage and surface runoff treatment is that the surface flow, flowing through the bottom bypass of the section of the coarse to the fine purification section sucky camera, clogged, and the remaining surface impurities flow through the crest of the Weir, not after filtering, fall into a shallow plateau, which reduces the performance of the known system of drainage and surface runoff treatment and quality of surface runoff treatment.

The present invention is to improve the performance of the drainage system and cleaning runoff and improving the quality of cleaning runoff.

The problem is solved due to the fact that the system of drainage and treatment of surface runoff, including water-insulated from the surrounding soil, consistently communicated between a drain manifold, a settling chamber, separated by a dam settling chamber into two sections coarse and fine cleaning, respectively, boltraffio camera separated from him filtration dam and outlet manifold, equipped located in front of the shallow bio Mesa additional filter dam, with the dam and the walls of the deep basin consist of stacked layers of filter materials, the thickness and contour of the deep pools in the horizontal projection has the shape of a triangle with the apex directed toward the shallow bio Mesa, the contours of the surfaces of the filter and the additional filter dams are made concave in horizontal projection relative to the direction of flow of surface runoff, and the contour of the dam settling chamber are made convex in the horizontal projection relative to the direction of flow of surface runoff.

The technical result of the invention is to improve the performance of the extraction system and treatment of surface runoff and improving the quality of treatment of surface runoff due to the arrangement and form of the elements of the system, providing the formation of a distributed runoff filtered through the dam, having in this case the maximum filter surface.

In Fig. 1 shows the described system of drainage and treatment of surface runoff in Fig. 2 - environmental soil consistently communicated between a drain collector 1, settling chamber 2 separated by a dam 3 section 4 coarse and fine 5 cleaning accordingly, biological pond, consisting of shallow bio Mesa 6 and deep pools 7, the filter chamber 8 is separated from the deep pool filter dam 9, and outlet manifold 10. The system of drainage and surface runoff treatment provided with an additional filter dam 11, installed in front of the shallow bio Mesa. Dam of 3 settling chamber is laid layers of filter materials. In the horizontal projection relative to the direction of flow of surface runoff contour of the surface of the filter 9 and the filter 11 dams are made concave, and the contour of the dam 3 settling chamber are made convex. The thickness and contour of the deep pool 7 in the horizontal projection has the shape of a triangle with the apex directed toward the shallow bio Mesa 6.

The drainage system and cleaning runoff (rain, watering, melt water and other) works as follows.

Surface run-off of rain, washing or snowmelt runoff from the drainage area flowing to the power collector 1 and gravity comes in a section of coarse 4 settling its surface runoff is filtered through the convex surface of the dam 3 and layer by layer with filter material and into the fine purification section 5 settling chamber 2. In the fine purification section is the deposition of smaller impurities. From the fine purification section surface runoff is filtered through the filter dam 11, which is filled with granular nature of the material and enters the shallow bio Mesa 6. With the passage of wastewater through the layers of natural filter material of the filter dam 11 purification of wastewater from suspended particles and associated products.

Shallow bio Mesa 6 is a pool, planted with aquatic plants (macrophytes) one or more species: bulrush, cattails, reeds, sedges, pondweeds. In shallow bio Mesa is the biological decomposition of the oil contained in surface runoff associated compounds and heavy metal ions. The thickness of the water layer in the shallow bio Mesa above ground level must be at least 30 cm From the shallow bio Mesa surface runoff is filtered through the wall, the folded filter material in the deep pool 7, depth not less than 1 m In the deepwater bio Mesa processes of anaerobic decomposition of organic matter in wastewater and oxidized petroleum derivatives, and the ical filtering wastewater organisms of the zooplankton.

From the deep-water part 7 biological pond water being filtered by gabion filter dam 9, falls in full flow filter chamber 8 is filled with natural sorbent, where the purification of surface runoff. Purified surface water flow from the filter chamber is discharged through the outlet manifold 10 on the ground or in water.

As construction elements and filtering materials in the design of the system can be used gabion box, square and rectangular. The gabions are filled with stone material basket, made of steel tightly galvanized mesh double twist hexagonal cells (cell size h, 80x100 or sheet measurement 60 x 80). This mesh is durable, resistant to corrosion and abrasion, durable, not spliced mechanical damage the individual wires.

Natural rock to fill gabions (crushed stone, gravel, small boulders, quarry stone) has a high density, durability, frost resistance. Stone size must be larger than the grid cell size that is 1.5-2 times. After the construction of gabion structures its open porosity is 30%. In addition, the filter is SS="ptx2">

The form of dams and their mutual arrangement provides the greatest when a given volume of construction and filtering materials performance and efficiency of buildings.

The system of drainage and treatment of surface runoff, including water-insulated from the surrounding soil, consistently communicated between a drain manifold, a settling chamber, separated by a dam settling chamber into two sections coarse and fine cleaning, respectively, biological pond, consisting of shallow bio Mesa and deep pool next to the last filter chamber, separated from him by drainage dam, and tailrace collector, characterized in that it has placed in front of the shallow bio Mesa additional filter dam, with the dam and the walls of the deep basin consist of stacked layers of filter materials, the thickness and contour of the deep pools in the horizontal projection has the shape of a triangle with the apex directed toward the shallow bio Mesa, the contours of the surfaces of the filter and the additional filter dams are made concave in horizontal projection relative to the direction of flow of surface runoff, and pin the flow of surface runoff.

 

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