DE10307057B4 - Transportable container for filtering dirty water - Google Patents

Abstract

Portable, upwards open container for filtering dirty water for the use on construction sites with at least one at a distance below the upwardly directed filling opening (1) of the container horizontally enclosed, removable filter (2), wherein the distance below the filter (2) designed as a coarse filter (2) has a horizontally lying, removable fine filter (3) is arranged, wherein under the fine filter (3) a water tank (4) for the inclusion of the filtered waste water is, the Coarse filter (2) and the fine filter (3) on the water tank (4) each as upwardly open filter cartridges (7, 8) one above the other stacked and individually removable, and wherein the coarse filter (2) and / or the fine filter (3) each from a grid (6) consist with a resting filter mat.

Description

The The invention relates to a transportable, open-topped container for Filtering of dirty water according to the preamble of claim 1.

On Construction sites falls In the different works often dirty water, which contaminated with cement, sand or other particles. there then occurs frequently the problem of disposing of this dirty water. Often it will Dirty water poured into the ground or into the sewage system. The In the waste water contained substances make a considerable Environmental problem and can if it is disposed of in the sewage system, it blocks the sewage pipes to lead.

From the CH 546 090 A is a filter device for drinking water with a bottom inlet inlet is known, which is not suitable for the accruing on construction coarsely polluted water. The same applies to one from the DE 87 08 267 U1 known rainwater filter device containing an activated carbon layer.

One from the US 43 40 478 A known filter device is provided for sludge dewatering.

The DE 634 548 A discloses a char from massed cellulose for filtration and simultaneous bactericidal treatment of liquids. The charcoal filter cloth is in multiple layers on a perforated pad as shown in FIG 2 is shown by a trough-shaped filter. This known trough-shaped filter is not suitable for use on construction sites with its charred filter layers.

From the US 53 66 627 A a mobile filter device is known, which is suitable for filtering contaminated liquids and for this purpose provides the use of multiple filter plates.

Out the above mentioned It is also known per se in the prior art to use such filters with a water tank equipped to receive the filtered liquid.

Of the Invention is therefore based on the object, a portable container to create the filtering of dirty water at different Wherever possible on construction sites easy to handle.

The solution receives this task one by the features specified in claim 1. The container according to the invention has in the lower area a water tank, above the distance a coarse filter and a fine filter are arranged. Is now from the top of the container dirty water filled, Thus, the coarse particles contained therein in the first passed coarse filter withheld while the finer particles then from the underlying fine filter be filtered out of the dirty water. The dirty water collected in the container is then cleaned so well that it easily into the sewer can be drained. The depositing on the two filters Filter residues can as Solids in conventional Be disposed of.

Especially It is advantageous to equip the transportable container with rollers, so that this on the construction site of each site convenient to a suitable water drain point can be moved.

Of the Coarse filter and the fine filter are preferably made respectively a grate with overlying filter mat, leaving the filter mat cleaned very easily or replaced with a new filter mat can be.

A Another particularly advantageous embodiment provides that on the ground of the water tank one Sedimentation trough rests. Such a sedimentation tray can be placed in their side walls have openings or as a perforated metal wall have trained sidewall, so that the liquid from the on the sedimentation tank deposited substances can escape laterally. The sedimentation tank has the advantage that residual suspended matter in the water tank itself can deposit in the sedimentation, whereby again a further clarification the filtered dirty water takes place.

Of the water tank is preferably arranged with a shut-off drain, the slight can be mounted above the bottom of the water tank. This has the advantage that in the water tank itself suspended matter can deposit on the ground, if no sedimentation tank is used.

The coarse filter and the fine filter can be modularly placed on the water tank, wherein the coarse filter and the fine filter can each form a filter cartridge with its own side walls. For example, two such filter cassettes can be placed on the water container, but it is also possible to use only one of the two filter cassettes for adaptation to specific requirements. Basically be It is also possible to put more than two filter cartridges with different filter action over the water tank.

Of the inventive container can for receiving small or medium quantities of water, for example from 20 l to 100 l be formed, so that easy transport too in smaller transport vehicles is possible. The attached at the bottom of the container Casters should be sized so big be that the container even at full filling can still move on uneven ground.

The Invention will now be described with reference to a drawing embodiment explained in more detail.

It demonstrate:

1 the perspective view of the container according to the invention and

2 a sectional view of the container of 1 , but with castors and lower attached water drainage.

The in 1 shown transportable container consists of a through the filling opening 1 visible coarse filter 2 , a below, not visible here fine filter 3 ( 2 ) and a subsequent under the fine filter water tank 4 , The filling opening 1 is from a funnel-shaped edge 5 limited.

The coarse filter 2 lies on a grid 6 on, as well as the fine filter 3 , The grate 6 forms together with the overlying coarse filter 2 and the associated side walls a removable filter cartridge 7 , The same applies to the fine filter 3 with grating 6 and the associated side walls, which together form a removable filter cassette 8th form. Thus results for the preferably mobile and portable, open-topped container overall a modular design that can be equipped with more or less filter cartridges, as in the 1 and 2 is shown.

The water tank 4 is in the lower area with a water drain 9 provided in accordance with 1 above the bottom of the water tank 4 can be arranged. In 2 is the water drain 9 at the height of the ground 10 ,

In 2 is the use of a sedimentation tank 11 shown on the ground 10 in the water tank 4 rests. The sedimentation tank 11 Can single-sided or multi-sided perforated metal panels 12 . 13 so that the moisture can drain off the deposits deposited on it laterally when the water drainage 9 is opened.

In 2 are also the bottom of the ground 10 attached casters 14 . 15 can be seen on their representation in 1 was waived. In addition, the filter cartridge has 8th lateral handles 16 . 17 , Such handles can also on the upper filter cartridge 7 and also on the container 4 be attached to facilitate the handling of the individual parts.

The sedimentation tank 11 Can be made of durable plastic to save weight and to facilitate their cleaning. The entire container may be made of sheet metal or even of plastic, wherein such a plastic container then preferably has a cylindrical shape.

Claims (9)

Transportable, open-topped container for filtering dirty water for use on construction sites with at least one spaced below the upwardly directed filling opening ( 1 ) of the container horizontally inserted, removable filter ( 2 ), wherein at a distance below the coarse filter ( 2 ) trained filters ( 2 ) a horizontal, removable fine filter ( 3 ), wherein below the fine filter ( 3 ) a water tank ( 4 ) for receiving the filtered dirty water, the coarse filter ( 2 ) and the fine filter ( 3 ) on the water tank ( 4 ) each as upwardly open filter cartridges ( 7 . 8th ) stacked on top of each other and are individually removable, and wherein the coarse filter ( 2 ) and / or the fine filter ( 3 ) each of a grid ( 6 ) consist with overlying filter mat. Container according to claim 1, characterized in that for adapting the filter function to different operating conditions optionally only one, two or more filter cartridges ( 7 . 8th ) on the water tank ( 4 ) are attached. Container according to one of claims 1 or 2, characterized in that on the underside of the container rollers ( 14 . 15 ) are mounted. Container according to one of the preceding claims, characterized in that at the bottom ( 10 ) of the water tank ( 4 ) a sedimentation tank ( 11 ) rests. Container according to claim 4, characterized in that the sedimentation tank ( 11 ) has at least one water-permeable side wall. Container according to one of the preceding claims, characterized in that on the water tank ( 4 ) a shut-off drain ( 9 ) is arranged. Container according to claim 6, characterized in that the water outlet ( 9 ) at a distance above the ground ( 10 ) of the water tank ( 4 ) is attached. container according to one of the preceding claims, characterized that the container is out Metal or in cylindrical form made of plastic. Container according to claim 5, characterized in that the side wall is a perforated metal wall ( 12 ).