RU198056U1 - Open water biofilter - Google Patents

Open water biofilter Download PDF

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Publication number
RU198056U1
RU198056U1 RU2020111811U RU2020111811U RU198056U1 RU 198056 U1 RU198056 U1 RU 198056U1 RU 2020111811 U RU2020111811 U RU 2020111811U RU 2020111811 U RU2020111811 U RU 2020111811U RU 198056 U1 RU198056 U1 RU 198056U1
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RU
Russia
Prior art keywords
water
chamber
reservoir
filter
housing
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RU2020111811U
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Russian (ru)
Inventor
Тарас Валерьевич Карабач
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Общество с ограниченной ответственностью "Производственно-коммерческая фирма АВАНГАРД"
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Priority to RU2020111811U priority Critical patent/RU198056U1/en
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage

Abstract

The utility model relates to biofilters for water purification and can be used mainly in open reservoirs without fish with a volume of up to 150 miles in reservoirs with fish of a volume of up to 100 m. The biofilter for open reservoirs contains a main chamber located in the housing with a pipe for supplying water from the reservoir through the gate valve, as well as the pipe for returning water to the reservoir and the separation chamber. The dry chamber is configured to ultraviolet sterilize and antiphosphate water. The main chamber is located in the lateral part of the housing in its entire height and is equipped with an oxidizing agent, a filtration sieve and a drainage pump. The drainage pump is configured to supply drainage and water after flushing into the sewer through a water discharge pipe. The water discharge pipe is made in the housing. The separation chamber is located in the lower part of the housing and is equipped with successively vertically mounted filter mats on top of each other. A dry chamber is made between the main chamber and the separation chamber and is equipped with a pump. The pump provides the suction of water from the main chamber to ensure the supply of water from the reservoir into it, as well as the supply of oxygen-saturated and filtered water through a filter screen to the separation chamber under the filter mats for its biomechanical filtration, followed by the supply of water from the outlet of the upper filter mat through the intake pipe to a dry chamber and then after ultraviolet sterilization and antiphosphation by supplying purified and oxygen-enriched water to the reservoir through the return pipe. Provides higher quality water treatment. 3 ill.

Description

The utility model relates to biofilters for water purification and can be used mainly in open reservoirs without fish with volume up to 150 m 3 or in reservoirs with fish with volume up to 100 m 3 .
A known installation for biochemical wastewater treatment [RU 22020915, C02F 3/00, C02F 3/02, 01/10/2004], which contains a combined device including a chamber for mixing wastewater with a sludge mixture, a biofilter with an irrigation system located above the aeration tank settler having aeration columns to provide jet aeration and a circulation pump, characterized in that the aeration columns in the combined device are made in the form of diverging bundles of pipes, inside the upper part of which there are straightening protrusions in the form of spirals, and the lower parts of the pipes are perforated, with a diameter of around and the height decreases to the bottom of the pipes and the lower ends of the pipes are evenly spaced above the flat part of the bottom of the aeration tank with a height of 0.2-0.3 m above it.
The disadvantages of the installation is the relatively high complexity.
Also known is a biofilter for water purification [SU 1671144, A01K 61/00, 08/15/91], including a vertical cylindrical body with a conical bottom, a loading located in the upper part of the housing, a contaminated water supply pipe mounted in the upper part of the housing, and also located under the pipeline, a lattice water distributor, a sludge pipe and a pipeline for the removal of purified water are mounted in the lower part of the housing.
The disadvantages of this biofilter is the relatively low filtration efficiency.
The closest in technical essence and the achieved effect when used is a biofilter for water purification [RU 174587, U1, C02F 3/08, 10/23/2017] containing a cylindrical body with a cone-shaped base and a sludge outlet, a hydraulic elevator located in the center of the body, on the top part of which there is an annular tray and a grid that holds floating bio-loading granules, a drain pipe, an overflow pipe located above the holding grid, a main chamber with granules of regenerative disorganized bio-loading with neutral buoyancy, a separation chamber located in the lower part of the body, the base of which is the bottom of the body and it is an inverted cone with a sludge outlet located on top for periodically discharging the falling sediment, and the upper part of the separation chamber is made in the form of a cone, rigidly fastened to its lower part, and has slots located in a circle on a minimally permissible design In relation to the housing walls, the upper cone of the separation chamber is the bottom of the main chamber and has a slope of 30 ° to the walls of the housing, while the upper part of the separation chamber cover is rigidly connected to the hydraulic elevator, which extends 1/3 of the total length of the housing cover hydraulic elevator, in its upper part there is a water supply pipe, the diameter of which is two times less than the diameter of the hydraulic elevator.
A feature of this technical solution is that the total area of the slots in the upper part of the separation chamber is equal to the area of the outlet of the hydraulic elevator, bio-loading granules occupy 70% of the volume of the main chamber.
The disadvantage of the closest technical solution is the relatively low quality of water purification in a pond.
The problem that is solved in the utility model is the creation of a biofilter that provides a higher quality of water purification.
The required technical result is to improve the quality of water treatment.
The problem is solved, and the required technical task is achieved by the fact that, in the device containing a main chamber with a nozzle for supplying water from a reservoir through a slide gate, as well as a nozzle for returning water to a reservoir and a separation chamber, according to a utility model, a dry chamber is introduced made with the possibility of ultraviolet sterilization and antiphosphation of water, moreover, the main chamber is placed in the side of the housing at its entire height and is equipped with an oxidizer, a filter sieve and a drainage pump configured to supply drainage and water after washing to the sewer through a water discharge pipe made in the housing, the separation chamber is located in the lower part of the housing and is equipped with filter mats installed vertically one on top of the other, and the dry chamber is made between the main chamber and the separation chamber and is equipped with a pump that sucks water from the main chamber to ensure that water is supplied from it water reservoir, as well as the supply of oxygenated water and a filtration sieve to the separation chamber under the filter mats for biomechanical filtration, followed by the supply of water from the outlet of the upper filter mat through the intake pipe to a dry chamber and then after ultraviolet sterilization and antiphosphation by supplying purified and oxygen-enriched water into the reservoir through the return pipe.
The drawing shows:
in FIG. 1 - design of a biofilter for open reservoirs (view 1);
in FIG. 2 - design of a biofilter for open reservoirs (type 2);
in FIG. 3 - an example of installing a biofilter in an open reservoir.
The biofilter for open reservoirs contains a main chamber 2 located in the housing 1 with a nozzle 3 for supplying water from the reservoir through the slide gate (in this case, there are 2 variants of the nozzle on different sides of the housing 1 - see Fig. 2).
In addition, the housing 1 biofilter for open reservoirs contains a pipe 4 for returning water to the reservoir, a separation chamber 5, a dry chamber 6, made with the possibility of ultraviolet sterilization and antiphosphate water.
In a biofilter for open reservoirs, the main chamber 2 is located in the lateral part of the housing 1 in its entire height and is equipped with an oxidizer 7, a filter screen 8 and a drainage pump 9, which is capable of supplying drainage and water after washing to the sewer through a water discharge pipe 10 made in case 1.
In addition to the above, the separation chamber 5 is located in the lower part of the housing 1 and is equipped with filter mats 11 mounted successively vertically on top of one another, and the dry chamber 6 is made between the main chamber 2 and the separation chamber 5 and is equipped with a pump 12 that allows water to be sucked from the main chambers 2 for ensuring the supply of water from the reservoir into it, as well as the supply of oxygenated oxygenator 7 and water that has passed through the filter sieve 8 into the separation chamber 5 under the filter mats 11 for its bio-mechanical filtration with subsequent supply of water from the outlet of the upper filter mat 11 through the intake pipe 13 into a dry chamber 6 and then after ultraviolet sterilization using ultraviolet antiphosphation sterilizers 14 using antiphosphators 15 by supplying purified and oxygen-enriched water to the reservoir through the water return pipe 4.
In addition to the above, in the drawing are indicated: 17 - flow control valve through the antiphosphator 15; 18 - collapsible couplings; 19 - water supply pipe after flushing; 20 - flow control valve through the filter mats 11; 21 - water intake pipes after filter mats 11.
The biofilter for open reservoirs (hereinafter “filter”) works as follows.
The filter can be installed mainly at a distance of 10 m from the reservoir. When installing the filter, a d110 mm pipe can be used to draw water from the pond and a d50 mm pipe can be used to return water to the pond.
In order to guarantee the most effective filter operation, it is necessary to take into account the location of water intake and discharge points. It is optimal to draw water from an average depth of the reservoir. The discharge is recommended to be carried out to the bottom in order to stir up the suspension settled to the bottom and take it to the filtration from an average depth. The points of water intake and discharge must be removed as far as possible from each other to ensure maximum mixing of the water.
The basis for mounting the filter may be a concrete or other rigid horizontal platform that can withstand the load from the filter (the weight of the filter with water and equipment in a particular case is about 470 kg.). It is advisable to place the site 720 mm below the water level in the pond, because the water level in the filter should be 720 mm above the base of the filter. If there is an existing platform below this level, it is allowed to mount a podium / filter stand made of metal frame, blocks, bricks or other materials that can withstand this load. The site may be located in the immediate vicinity of the reservoir or be removed up to 10 m from it. If the ground level around is everywhere above the surface of the reservoir, it is also necessary to make the walls of the platform to protect the soil from freezing in winter and pushing an empty filter out of the ground with saturated pounds in the off-season . From the resulting pit, it is necessary to ensure the removal of storm water by gravity or by force.
The filter housing is mounted strictly horizontally in relation to the water level in the reservoir. The water level in the pond and filter should be 80 mm below the top of the filter. The design of the filter allows you to place the filter side or front to the pond. To do this, you must use a straight nipple to enter the inlet pipe.
The water supply pipe (connecting the reservoir and the filter) must be horizontal and enter the reservoir below the water level. Inside the reservoir, the pipe can sink to a depth of about 1 m or about the middle of the depth of the pond, but not higher than the depth of possible ice formation in the reservoir, taking into account the decrease in water level during autumn preservation. It is desirable to carry out the fence through the intake grille, which prevents fish and large debris from entering the filter. In order to avoid water leakage in the pipe, it is recommended to use a single piece of HDPE pipe, PVC adhesive or submarine. If it is not possible to use a solid pipe, it is allowed to connect the pipes.
The discharge of water from the filter, as indicated above, it is desirable to direct to the bottom of the reservoir for mixing settled sediment and sending it to the filtration. The emission is carried out by a PVC adhesive pipe d 50 mm. From the filter to the pond and inside the pond, it is recommended to use the PND pipe d50 mm. It is recommended to enter the pipe into the pond through the upper side of the pond without using penetrations in the waterproofing. In this case, the pipe section from the filter to the reservoir must be laid with a slope towards the filter so that when the filter is preserved, water from the pipe will merge into the filter.
The drain pipe from the filter flushing (from the drain pump) is connected to the existing storm system, sewer, or gutter. The amount of water discharged during washing is about 50-70 liters per washing and per day.
Consistency and principle of operation.
The filter is installed and collected in accordance with the above recommendations, after which it is filled with water and the pump 12 is turned on, which draws water from the main chamber 2. Water is released into the free space from the reservoir by self-priming.
An oxidizer 7 is installed in the main chamber 2 of the chamber, which saturates the incoming water with oxygen. Then purified through a mechanical filter sieve 8 and oxygenated water enters the separation chamber 5 under the filter mats 11.
In the separation chamber 5, the streams are divided into the non-main smaller stream passing through the filter mats 11 and the main stream passing the filter mats 11. This is done to ensure a minimum passage of water through the filter mats 11 to increase their biological filtration.
Water passing through the filter mats 11 is subjected to biomechanical filtration and after passing the last upper filter mat 11 passes through the intake pipes 13 into a dry chamber 6 with equipment for ultraviolet sterilization and antiphosphation.
The main stream, bypassing the filter mats 11 immediately passes into a dry chamber 6 with equipment for ultraviolet sterilization and antiphosphation.
Both streams are combined and already purified and disinfected water is returned through pipe 4 back to the reservoir.
In the main 2 chamber, in addition to the oxidizer 7 and the filter screen 8, a drainage pump 9 with a timer is installed. It is switched on at specified intervals (for example, 1 time per day for 1 minute) to clean the main chamber 2 of dirt, which is discharged through the pipe 10 into the sewer.
For more efficient cleaning of the main chamber 2 from dirt and to exclude uncleaned zones in it, a process of stirring up water is provided. It is implemented on the basis of the separation of the flow after the drainage pump 9 and the partial return of the wastewater back to the main chamber 2. Thus, the principle of auto-flushing the dirtiest chamber according to a given time cycle is implemented.
Thus, thanks to the introduced improvements, the quality of water purification, including from phosphates, and also as a result of its ultraviolet treatment and oxygen replenishment, is significantly improved.

Claims (1)

  1. A biofilter for open reservoirs, comprising a main chamber located in the housing with a nozzle for supplying water from the reservoir through the slide gate, as well as a nozzle for returning water to the reservoir and a separation chamber, characterized in that a dry chamber is introduced, configured to ultraviolet sterilize and antiphosphate the water, the main chamber is located in the lateral part of the housing at its entire height and is equipped with an oxidizing agent, a filter sieve and a drainage pump configured to supply drainage and water after washing into the sewer through a water discharge pipe made in the housing, a separation chamber is located in the lower part of the housing and is equipped with sequentially mounted one on top of the other by vertical filter mats, and the dry chamber is made between the main chamber and the separation chamber and is equipped with a pump that ensures the suction of water from the main chamber to ensure the supply of water from the reservoir, as well as the supply of oxygenated and filtered this water sieve into the separation chamber under the filter mats for its biomechanical filtration, followed by water supply from the outlet of the upper filter mat through the intake pipe to the dry chamber and then after ultraviolet sterilization and antiphosphation by supplying purified and oxygen-enriched water to the reservoir through the water return pipe.
RU2020111811U 2020-03-23 2020-03-23 Open water biofilter RU198056U1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU206319U1 (en) * 2021-03-18 2021-09-06 Общество с ограниченной ответственностью "Производственно-коммерческая фирма АВАНГАРД" Floating device for cleaning the surface of water bodies

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1927737A (en) * 2005-09-06 2007-03-14 中国科学院生态环境研究中心 Organism-ecology filtration system of purifying rain/sewage and operational method thereof
US20080153154A1 (en) * 2006-12-22 2008-06-26 Jowett E Craig Water treatment system including foam block
RU174587U1 (en) * 2017-04-25 2017-10-23 Федеральное государственное бюджетное образовательное учреждение высшего образования "Саратовский государственный аграрный университет имени Н.И. Вавилова" Biofilter for purification of water in fishing systems
RU190036U1 (en) * 2019-03-29 2019-06-14 Общество с ограниченной ответственностью "Производственно-коммерческая фирма АВАНГАРД" A device for collecting floating debris from the surface of the reservoir

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1927737A (en) * 2005-09-06 2007-03-14 中国科学院生态环境研究中心 Organism-ecology filtration system of purifying rain/sewage and operational method thereof
US20080153154A1 (en) * 2006-12-22 2008-06-26 Jowett E Craig Water treatment system including foam block
RU174587U1 (en) * 2017-04-25 2017-10-23 Федеральное государственное бюджетное образовательное учреждение высшего образования "Саратовский государственный аграрный университет имени Н.И. Вавилова" Biofilter for purification of water in fishing systems
RU190036U1 (en) * 2019-03-29 2019-06-14 Общество с ограниченной ответственностью "Производственно-коммерческая фирма АВАНГАРД" A device for collecting floating debris from the surface of the reservoir

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU206319U1 (en) * 2021-03-18 2021-09-06 Общество с ограниченной ответственностью "Производственно-коммерческая фирма АВАНГАРД" Floating device for cleaning the surface of water bodies

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