DE202012011832U1 - Device, two vertical, each other standing seepage pipes, for cleaning dirty rainwater, or the like and discharge into the ground - Google Patents

Abstract

Device, two interspersed seepage pipes, Teilickerrohr I (2) and Teilickerrohr II (3) for receiving a lignin-cleaning filter (5), characterized in that both tubes, centered, preferably vertically into the ground, mainly sand, are installed and to bottom seal a bottom cap (11) obtained

Description

Device, two vertical, each other standing seepage pipes, for cleaning dirty rainwater, or the like and discharge into the ground.

The treatment and purification of rainwater, which must be derived from traffic areas and / or roof areas, courtyard areas, is becoming increasingly necessary for environmental reasons.

According to § 57 Water Budget Act, waste water (polluted rain water) may only be discharged into a body of water (including groundwater) if the pollutant load of the water is kept as low as is possible according to the state of the art.

According to the accepted rules of technology, for the discharge of rainwater from traffic areas, downwardly open concrete sewer shafts were installed, which also had holes on the walls. The pollutant load came directly into the groundwater. This embodiment has now been banned by many regulators. New, technical possibilities were sought in order to infiltrate only pretreated, purified water in the underground.

From the EP 1126090 A2 a seepage device with a filter is known. The filter device is arranged between the inlet opening and the drain opening with a holding device and can be removed. The filter device can retain coarse and fine components. The filter material is surrounded by a fleece or fabric fleece, a metal mesh, a plastic fabric mesh or the like, or consists essentially thereof.

• a) Es werden offensichtlich nur abfiltrierbare Stoffe zurückgehalten. (Laub, Papier, Tannennadeln usw.)
• b) Eine Schwermetallbindung erfolgt nicht.
• c) Die tatsächliche Rückhaltung von Kohlenwasserstoffen ist nicht vorgesehen.
• d) Aus vielen Versuchen ist bekannt, dass sich ein Vlies sehr schnell mit Schwebstoffen zusetzt und der Filter dann wirkungslos wird.
• e) Ein Stauraum ist nicht ausgewiesen.
• f) Durch die reversible Aufhängung ist die Wasser-Kontaktzeit im Filter sehr gering.
• g) Eine untere Abdichtung zum Grundwasser besteht nicht.
• h) Eine wirkungsvolle, umfassende Reinigung des Niederschlagswassers ist somit nicht möglich.

The shortcomings of these designs are:

• a) Obviously only filterable substances are retained. (Leaves, paper, pine needles, etc.)
• b) Heavy metal binding does not occur.
• c) The actual retention of hydrocarbons is not planned.
• d) From many experiments it is known that a nonwoven clogs very quickly with suspended matter and the filter then becomes ineffective.
• e) A storage space is not shown.
• f) Due to the reversible suspension, the water contact time in the filter is very low.
• g) There is no bottom seal to the groundwater.
• h) Effective, comprehensive cleaning of the rainwater is therefore not possible.

The patent EP 2366834 A2 has a composite pipe as a trained drainage pipe, wherein the outer tube is provided with wave crests. The seepage pipe has slot-like water inlet openings in the troughs. The water inlet openings are formed in a width "a" in the longitudinal direction of the tube and have a greater width than usual.

• a) Hierbei geht es nur um Längsschlitze parallel zur Rohrachse, mit einer großen Breite.
• b) Beide Rohre sind fest verbunden, wegen der Statik.
• c) Eine Reinigung des Wassers erfolgt nicht.

The shortcomings of these designs are:

• a) This is only about longitudinal slots parallel to the tube axis, with a large width.
• b) Both pipes are firmly connected, because of the statics.
• c) A cleaning of the water does not take place.

According to the patent EP 0125382 A1 , is a partial seepage pipe, with circumferentially corrugated wall surfaces, as well as slit-like water passage openings. It should be achieved a tight plug-socket connection. There is no treatment or cleaning of the water.

From the patent DE 296 16 503.4 U1 a percolation device is evident, which is very problematic with regard to the slimming of the seepage pipes. A cleaning does not take place.

The object of the present invention is to quickly drain rainwater from traffic areas, roof or yard areas, to clean them in a natural product filter and to drain them into the groundwater via two seepage pipes.

This object is achieved by the measure according to claim (1), in particular that by the road sequence (Hofablauf) ( 1 ) and / or the rainwater inlet ( 10 ) contaminated rainwater to the lignin purification filter ( 5 ) is supplied.

This water towards the bottom cap ( 11 ) flows in the lignin cleaning filter ( 5 ), then onion-like through the jute tissue bag ( 7 ) and thus the storage space of the gravel ( 4 ) reached.

The thus purified water then flows through the seepage slots of the seepage pipe II ( 3 ) into the adjoining subsoil.

The incoming rainwater usually has 7 mg of nitrogen per liter. This nitrogen reacts via microorganisms with the lignin (wax removed, chopped, squeezed rye or wheat straw) and thus binds a large part of the heavy metals.

By admixing pH-increasing granules ( 9 ) which tested and is permitted, another heavy fraction of heavy metals is captured and bound.

The natural product chaff ( 8th ) (Rye straw, or wheat straw, or heath chaff, and or wood chips or the like, with a very large surface area, has the task to bind or absorb hydrocarbons.) This is particularly important, for example, dripping oils, gasoline residues, diesel residues, brake fluid or the like retained in the filter and bound.

Coarse, filterable materials such as leaves, paper, pine needles, Astreste, topsoil residues, coarse sand, etc. are below the traction device ( 12 ) in the upper region of the jute tissue bag ( 7 ) and deposited there. Fine, filterable substances such as fine sand, dusts, abrasion of brakes, finely shredded leaves, sludge, etc. enter the lignin cleaning filter with the water ( 5 ) and get there on the long way to the bottom cap ( 11 ) retained in the cavities.

When the cleaning performance of the lignin cleaning filter ( 5 ), or fails, the inlet grate must be removed and the entire filter ( 5 ) with the drawbar ( 12 ) including the corrosion-resistant wire mesh ( 6 ) from the Teilickerrohr I ( 2 ), without removing structural measures and replacing them with a new filter.

The partial seepage pipe I ( 2 ) and the Teilickerrohr II ( 3 ) receive horizontal slots (1/3 slots) according to slit image and are installed to each other so that possibly ingrowing tree roots in the solid transformation of Teilickerrohrrohres I ( 2 ) and not in the lignin cleaning filter ( 5 ) can penetrate.

If an oil spill occurs, so a large part of the oil in the bottom cap ( 11 ) and can be removed by removing the part of the seepage pipe I ( 2 ) are sucked off.

Further details are apparent from the drawing.

LIST OF REFERENCE NUMBERS

1

Street expiration (Hofablauf)

2

Particle bead I

3

Particle bead II

4

Gravel pile (storage space)

5

Lignin-cleaning filter

6

Corrosion-resistant wire mesh

7

Jute fabric bag

8th

Natural Product chaff

9

pH-raising granules

10

Rain water supply

11

bottom cap

12

hitch

QUOTES INCLUDE IN THE DESCRIPTION

This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Cited patent literature

• EP 1126090 A2 [0005]
• EP 2366834 A2 [0007]
• EP 0125382 A1 [0009]
• DE 29616503 U1 [0010]

Claims (8)

Device, two intersecting seepage pipes, partial seepage pipe I ( 2 ) and partial seepage II ( 3 ) for receiving a lignin purification filter ( 5 ), characterized in that both tubes, centered, preferably vertically in the ground, mainly sand, are installed and the bottom seal a bottom cap ( 11 ) receive Apparatus according to claim 1, characterized in that between the Teilickerrohr I ( 2 ) and the Teilickerrohr II ( 3 ) a gravel pile (storage space) ( 4 ) is installed. Apparatus according to claim 1, characterized in that in the Teilickerrohr I ( 2 ) a lignin purification filter ( 5 ), which is held by a corrosion-resistant wire mesh ( 6 ) and a jute fabric bag ( 7 ). Apparatus according to claim 1, characterized in that in the lignin purification filter ( 5 ) preferably natural product chaff ( 8th ) and pH-raising granules ( 9 ) is installed. Apparatus according to claim 1, characterized in that the Teilickerrohr I ( 2 ) and the Teilickerrohr II ( 3 ), preferably a 1/3 slit image. Apparatus according to claim 1, characterized in that the Teilickerrohre I ( 2 ) and the Teilickerrohr II ( 3 ) mainly in the lower 2/3 horizontal slots, according to slit image. Apparatus according to claim 1, characterized in that an additional rainwater inlet ( 10 ) to about 1/3 height, is provided. Apparatus according to claim 1, characterized in that at the top of the lignin purification filter ( 5 ) a pulling device ( 12 ) is attached.

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