RU48976U1 - INSTALLATION OF BIOLOGICAL CLEANING OF HOUSEHOLD WASTE WATER - Google Patents

Abstract

The utility model provides multi-stage treatment of domestic wastewater with various physicochemical parameters, on the basis of blocks it makes it easy to mount compact plants of various capacities. The installation contains a series-connected averager equipped with a pump, a denitrifier settler, an aeration tank with extended aeration, a pump and an ejector aerator, a secondary settler equipped with an ejector suction filter, a floating filter, a sorption filter, a disinfecting device, and the plant elements are grouped into blocks: a block including averager and a denitrifier settler, a block including aeration tank with extended aeration and a secondary settler and a block including a floating filter Booting, sorption filter, the decontamination apparatus.

Description

The utility model relates to wastewater treatment plants and can be used for averaging and treatment of domestic wastewater and similar industrial wastewater, to treat wastewater to discharge rates into fishery reservoirs and to disinfect treated water.

Known devices for multi-stage wastewater treatment, for example, "Installation of complex wastewater treatment from difficultly oxidized organic compounds" according to the patent of the Russian Federation No. 2196744, IPC C02F9 / 14. The installation contains sequentially connected coagulation-flotation units, a biofilter, a sand trap, an ozonoflotator, a contact device loaded with a solid adsorbent, installed between the coagulation-flotation unit and a biofilter.

Also known "Installation for biochemical wastewater treatment" according to the patent of the Russian Federation No. 2220921, MPK C 02 F 9/14. The installation contains a tower-type aeration tank with aeration units located in its upper part and aeration pipes located inside it, a wastewater receiving chamber with aeration units and pumps supplying wastewater to the aeration tank, a secondary sump, process pipelines supplying and discharging water, pumps providing active mixing in pressure pipelines.

The closest solution can be considered the "Wastewater treatment plant" according to the patent of the Russian Federation No. 2220920, IPC C 02 F 9/14. The known device includes a grate, aerated sand trap, primary and secondary sedimentation tanks, a filter, a storage tank for washing water, washing

a pump, an aerated sand trap, two booster pumps, a vertically tubular system, a bactericidal unit and a station control unit. The wastewater treatment plant allows for comprehensive treatment with automatic control of technical oxygen used in the treatment process.

The disadvantages of these solutions include the fact that with an increase in the productivity of plants it is necessary to significantly increase their dimensions; the efficiency of wastewater treatment with various physicochemical parameters is low.

The task the proposed utility model is aimed at is creating a multi-stage treatment plant for domestic wastewater, which provides effective wastewater treatment with various physicochemical parameters and makes it possible to easily mount compact plants of various capacities on the basis of blocks.

The proposed installation of biological treatment of domestic wastewater "Technosphere-BIO" includes a grate, sand trap, primary and secondary sedimentation tanks, bactericidal installation, pumps. New in the installation is that it contains a series-connected averager equipped with a pump, a denitrifier settler, an aeration tank with aeration, a pump and an ejector aerator, a secondary settler equipped with an ejector-suction filter, a floating-load filter, a sorption filter, and a disinfectant device. The elements of the installation are grouped into blocks: a unit including averager and a sedimentation tank - denitrifier, a unit that includes aeration tank with extended aeration and a secondary sedimentation tank and a unit that includes a floating filter, a sorption filter and a disinfection device. The presence of several stages of treatment provides effective treatment of domestic wastewater with various physical and chemical parameters. Depending on the

the power for which the installation is calculated, and the composition of the wastewater it can contain one or more of these blocks, and can also be equipped with a grate and a sand trap. A multi-stage wastewater treatment plant can be mounted indoors, or they are deboned with overlapping insulation boards.

Figure 1 - schematic diagram of the installation of biological treatment of domestic wastewater "Technosphere-BIO".

Figure 2 - interlocked installation of increased productivity.

The biological treatment plant for household wastewater Tekhnosfera-BIO includes an averager 1 with a pump 2, a sump denitrifier 3, an aeration tank 4 with extended aeration, a pump 5 and an ejector aerator 6, a secondary sump 7 equipped with an ejector-ilosos 8, a filter 9 with a floating charge, a sorption filter 10, a disinfecting device 11. The installation elements are blocked in the following blocks: block A - averager 1 and sedimentation tank 3; block B - aerotank 4 and secondary sump 7; block B - filter 9 with a floating charge, a sorption filter 10 and a disinfecting device 11.

If it is necessary to increase the productivity of the installation, it can include (see Fig. 2) block A, additionally equipped with a grill 12 and a sand trap 13, two blocks B and block B.

Installation works as follows. Wastewater passes through the grate 12, freed from large inclusions and enters the sand trap 13. In the sand trap, sand is washed from organic impurities and removed from the treated water. Wastewater enters the unit A of the installation, where averaging takes place in averager 1, from which water is pumped to a sedimentation tank 3 using a pump 2, where nitrates contained in the wastewater are removed. After that, the water enters block B, where biological wastewater treatment takes place in aeration tank 4

using aerobic bacteria supplied with oxygen using an ejector aerator 6. In the secondary sump 7, the sludge is sucked off using an ejector - pump 8 and the clarified water enters block B, where water is first treated with a floating filter 9, and then with sorption filter 11. The last stage of water purification is a disinfecting device 11, after which the purified water enters the consumer for reuse or discharge into the reservoir.

Claims (2)

1. Installation of biological treatment of domestic wastewater, including primary and secondary sedimentation tanks, a bactericidal installation, pumps characterized in that it contains a series-connected averager equipped with a pump, a denitrification tank, aeration tank with prolonged aeration, equipped with a pump and ejector aerator , a secondary sump equipped with an ejector-ilosos, a filter with a floating charge, a sorption filter, a disinfecting device, and the installation elements are grouped in blocks: block, including an averager and a denitrifier settler, a unit including an aeration tank with extended aeration and a secondary settler and a unit including a floating-load filter, a sorption filter, and a disinfecting device. 2. Installation according to claim 1, characterized in that it contains at least one of the blocks of elements and is additionally equipped with a grate and a sand trap.