RU150047U1 - DEVICE FOR PLACING A FILTERING CARTRIDGE - Google Patents

Abstract

1. A device for placing a filter cartridge inside a sewer well, which is a ring hermetically connected to the walls of the well and having an opening for positioning a filter cartridge in it, characterized in that the ring has a second hole in which an overflow conduit is sealed to the ring. 2. A device for placing a filter cartridge inside a sewer well according to claim 1, characterized in that the upper part of the overflow pipe is bent at an angle of 180 °.

Description

Technical field

The utility model relates to the field of treatment of storm sewage, namely, equipment for their treatment and, in particular, to devices for placing this equipment inside sewer wells at the end of a storm sewer network in front of a control well.

State of the art

A device is known for placing a filter cartridge inside a sewer well (Utility Model Patent No. 59996 publ. 01/10/2007 B01D 27/00, Utility Model Patent No. 139065 publ. 04/10/2014 B01D 27/00), made in the form a metal ring having an opening for arranging a filter cartridge therein.

The disadvantage of this technical solution is the limited throughput, which is determined by the throughput of the filter cartridge itself, designed for normal operation. If the stormwater inflow exceeds the well in the well where the filter cartridge is located, its capacity is not enough to let through such a volume of water (for example, during very intense rains), and the water that accumulates in the well overflows it, which leads to flooding surrounding area.

Utility Model Disclosure

The objective of the claimed utility model is to develop the design of a device for accommodating a filter cartridge, expanding the arsenal of technical means for installing filter cartridges at the end of the sewer network, in front of a control well or in storm water inlets, namely, the development of a design capable of passing an excess of water supplied to the filter cartridge during heavy rainfall. In addition, the objective of the utility model is to provide the technical feasibility of preventing flooding of the surrounding area during very intense rains.

The technical result consists in the fact that the utility model increases the throughput of the filter cartridge located inside the sewer well, in comparison with its nominal capacity during the excess of the arrival of the amount of wastewater into the well during heavy rains.

A device for accommodating a filter cartridge inside a sewer well consists of a ring that is hermetically connected to the walls of the well and having an opening for positioning a filter cartridge in it. Additionally, the device contains a second hole in which an overflow pipe is placed, which is hermetically connected to the ring.

In one embodiment of the utility model, an overflow conduit sealed to the ring has an upper portion bent at an angle of 180 °.

Brief Description of the Drawings

For a better understanding of the essence of the utility model, its description is further considered with the use of the accompanying drawings.

FIG. 1. General view in section of a concrete sewer well with a device installed inside it to accommodate a filter cartridge and the filter cartridge itself.

FIG. 2. Scheme of movement of water and floating objects (garbage) in an overflow pipeline with a straight end of the upper part.

FIG. 3. Scheme of the movement of water in an overflow pipe with an upper end bent at an angle of 180 °.

It should be noted that the accompanying drawings illustrate only one of the most preferred embodiments of the utility model, and therefore cannot be considered as limitations on the content of the utility model, which includes other embodiments.

Utility Model Implementation

In FIG. 1 is a schematic illustration of a device for accommodating a filter cartridge and the filter cartridge itself installed in a concrete sewer well, where: 1 - a sewer well, 2 - a rain grate, 3 - a manhole, 4 - a pipeline for supplying untreated water to the well, 5 - a device for placement of the filter cartridge, 6 - filter cartridge, 7 - overflow pipe, 8 - pipe for the removal of purified water from the well.

The untreated storm sewage flows into the concrete well 1 through the storm water inlet 2 of the hatch 3 and / or through the pipeline 4 from the storm water inlets. Inside the concrete well 1 there is a device 5 for accommodating the filter cartridge 6, which includes an overflow pipe 7, hermetically connected to the ring and having a 180 ° bend in the upper part. The water purified by the filter cartridge 6 exits the concrete sewer well 1 through pipeline 8.

The operation of the device to accommodate the filter cartridge is as follows.

During low-intensity rains, the flow of water into the well 1 through the grate 2 (hatch 3) and / or pipe 4 does not exceed the nominal capacity of the filter cartridge 6. Above the upper end of the filter cartridge 6 (as shown in Fig. 1) there is a certain layer of water, which due to the difference in hydrostatic heights, it ensures the passage of water through the filter cartridge 6 and its purification. With an increase in the amount of wastewater entering the well 1 (for example, during heavy rain), the water level in the well 1 rises and reaches the upper point of the overflow pipe 7 (this level in Fig. 1 is shown by a dotted line). After that, the excess amount of conditionally clean storm water begins to drain (during high-intensity rains, the main contaminants are washed off by the first portions of rain, and the subsequent arrival of the main amount of water is cleaner), bypassing filter cartridge 6 through pipeline 7 and stabilizing the water level in well 1.

After the rain intensity begins to decrease, an ever smaller amount of water is discharged through line 7, bypassing the filter cartridge 6. When the rain goes into a phase of low intensity, the water level in the well drops, its discharge through line 7 stops, and the filter cartridge 6 continues to work as usual mode.

Thus, it is obvious that when using a device for accommodating a filter cartridge containing a second hole in which an overflow pipe is placed that is hermetically connected to the ring, an increase in the performance of the filter cartridge is achieved, which prevents overfilling of the well and flooding of the surrounding area.

The technical solution prototype does not have the ability to pass part of the conditionally clean drain, bypassing the filter cartridge, because in this case, the filter cartridge is mounted on a support ring that does not have overflow openings and pipelines.

The bending of the upper part of the overflow pipe 7 at an angle of 180 ° also contributes to an increase in throughput, because large floating debris (bottles, cans, bags, etc.), which often falls into sewer storm water wells (especially through pipelines from the rain gutters of roadsides, etc.), can clog the overflow line 7 in the absence of a 180 ° bend. In FIG. 2 shows that in the case of the open end of the overflow pipe 7, debris floating in the well moves (shown by dashed arrows) along with the surface layer of water (shown by solid arrows) to the neck of the pipeline 7 and can clog it, reducing (and even stopping) the flow of water into it , which leads to a decrease in bandwidth.

On the contrary, if there is a bend in the upper part of the overflow pipe 7 at an angle of 180 ° (as shown in Fig. 3), floating debris cannot get inside the pipe 7, because located above its water intake. When lowering the water level in the well 1 to the level of the intake opening of the pipeline 7, floating debris cannot get into the pipeline 7, because at this time, water does not pass through it, but only moves through the filter cartridge 6.

Claims (2)

1. A device for placing a filter cartridge inside a sewer well, which is a ring hermetically connected to the walls of the well and having an opening for positioning a filter cartridge in it, characterized in that the ring has a second hole in which an overflow conduit is sealed to the ring. 2. A device for placing a filter cartridge inside a sewer well according to claim 1, characterized in that the upper part of the overflow pipe is bent at an angle of 180 °.

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