RU169755U1 - Sorption wastewater filter - Google Patents

Abstract

The utility model relates to the field of wastewater treatment, namely, devices for filtering and sorption wastewater treatment from suspended solids and oil products at the end of the sewer network in front of the control well. The technical result is achieved by using a sorption wastewater filter in the form of a cartridge with a permeable top and the lower ends and an impermeable side wall filled with zeolite and activated carbon, while the zeolite and activated carbon are located in tubular containers addition of polyacrylamide fibers knitted weave glad.Tehnichesky result is to increase the efficiency of the sorption filter.

Description

The utility model relates to the field of wastewater treatment, namely, devices for the filtration-sorption treatment of wastewater from suspended solids and oil products at the end of the sewer network in front of the control well.

Known sorption filter in the form of an activated carbon cartridge, installed directly in the wells of storm sewers, with the discharge of purified water in the upper part (patent for utility model RU 140160, IPC C02F 1/00, published on 04/27/2014)

The disadvantage of this filter is the low efficiency of water purification from suspended solids and oil products.

A known filter of sorption water purification, located in the underground space in a concrete well, with loading from a modified nitrogen-containing activated carbon with the possibility of supplying water for purification in the upper part of the sorption filter (utility model patent RU 38751, IPC C02F 1/00, publ. 10.07. 2004).

The disadvantage of this filter is the low efficiency of water purification from suspended solids and oil products due to the slow displacement of air bubbles from the sorption filter caused by design features.

The closest is a filter for sorption wastewater treatment in the form of a cartridge with permeable upper and lower ends and an impenetrable side wall, located in the underground space in a concrete well, with the possibility of supplying wastewater to the bottom of the filter for sorption treatment in the direction of movement of water. The sorption purification filter contains zeolite and / or activated carbon (or modified zeolite and / or activated carbon) (utility model patent RU 150518, IPC C02F 1/00, publ. 02.20.2015).

The disadvantage of this filter is the low efficiency of water purification from suspended solids and oil products.

The objective of the utility model is to develop a sorption purification filter for technical and technological purposes in water circulation.

The technical result is to increase the efficiency of the sorption filter.

The technical result is achieved by using a sorption wastewater filter in the form of a cartridge with permeable upper and lower ends and an impenetrable side wall filled with zeolite and activated carbon, while the zeolite and activated carbon are located in containers made of tubular knitted polyacrylamide fiber with a smooth weave.

The filter for sorption wastewater treatment is included in the filter system for water treatment, consisting of mechanical and sorption filters, located in the underground space in separate wells connected by pipelines.

The filter for sorption wastewater treatment is located in the underground space in a separate well, connected by pipelines with the possibility of supplying wastewater to the treatment from the bottom up and the removal of the upper part of the filter in the direction of movement of the water.

The sorption purification filter is made in the form of a cartridge with permeable upper and lower ends and an impermeable side wall and is filled with tubular jersey containers made of polyacrylamide fiber with smooth weave containing zeolite and activated carbon.

Water passes the sorption filter from bottom to top and, leaving the top of the filter, is drained through a pipeline into a control well and then discharged to a sewer network or reservoir.

An increase in the efficiency of the sorption cleaning filter when zeolite and activated carbon are placed in containers of tubular knitwear made of polyacrylamide fiber by weaving smoothness occurs due to the fact that containers of tubular knitwear made of polyacrylamide fiber by weaving smoothness adsorb particles suspended in the solution on the surface (due to polyacrylamide fiber and weave surface), and also act as a sorbent in oil refining, which increases the sorption ability of the filter and increased It improves the efficiency of the sorption filter and the entire filter system.

In addition, filling the sorption filter with zeolite and activated carbon located in containers facilitates and simplifies the filter regeneration process by conveniently replacing containers with spent sorbent with a container with fresh or regenerated cellite and activated carbon, which also leads to an increase in the efficiency of the sorption filter cleaning and the entire filter system.

At the same time, zeolite and activated carbon can be located in one or in different containers.

Activated carbon allows efficient absorption of non-polar components of oil products from water, and zeolite - polar components of oil products. Chemical modification of zeolite and / or activated carbon is usually more preferable, since it leads to an increase in cleaning efficiency, since it allows you to get a deeper wastewater treatment. In this case, the modification can be aimed at increasing the filter capacity relative to a particular pollutant.

The active amide groups of the polymer chain of the polyacrylamide fiber provide suspension of wastewater suspension from the surface of the tubular knitted container and create conditions for their globalization, as a result of which large flocs form from the suspension, which are more easily deposited on the sorption filter. In addition, being an effective sorbent with respect to oil products, containers of tubular knitwear made of polyacrylamide fiber by weaving a smooth surface perform additional oil purification.

The implementation of containers of tubular knitwear made of polyacrylamide fiber by weaving the smooth surface due to the extremely dense porous structure of the knitwear ensures the permeability of the container for purified water and filling the container with contents (sorbent), and during the regeneration of the sorbent due to the stretchability of the knitwear in the longitudinal and transverse directions, it is convenient to unload the spent and load into containers of a new or regenerated sorbent (reusable).

In FIG. 1 shows a general view of a sorption cleaning filter in a system of filters placed in underground concrete wells, FIG. 2 shows a graphical representation of a tubular knit made of polyacrylamide fiber by weaving smoothness.

The filter for sorption treatment of 1 waste water is included in the filter system for water treatment, consisting of a storage tank (well) 2, a mechanical filter 3 of treatment, a sorption filter of 1 treatment and a control well 4 located in the underground space in separate wells connected by pipelines 5.

The filter for sorption treatment of 1 wastewater is made in the form of a cartridge with a permeable upper end and lower end and an impermeable side wall. The inner space of the cartridge 1 is filled with containers 6 of tubular knitwear made of polyacrylamide fiber by weave smoothness, filled with zeolite 7 and activated carbon 8.

Tubular knitwear made of polyacrylamide fiber by weaving a smooth surface is obtained by knitting polyacrylamide fiber on a round single-cylinder knitting machine MS-5 of a large diameter 22 class with a depth of cooler on main platens of 1.4-2.8 mm with a tension of polyacrylamide fiber of 2.5-3.0 N .

Ready containers 6 of tubular knitwear made of polyacrylamide fiber by weaving the surface are filled with zeolite 7 and activated carbon 8 and placed in a sorption filter 1.

The utility model works as follows.

Water from the sewer network flows into storage tank 2, from where it flows through pipeline 5 (due to the difference in hydrostatic heights) to an adjacent well with a mechanical filter 3. Moreover, the water levels in both wells are balanced according to the law of communicating vessels. Further, passing from top to bottom through a mechanical filter 3, water enters the bottom of the well with a mechanical filter 3, and then through pipe 5 to the bottom of the well where the sorption filter 1 is located. Passing the sorption filter 1 from the bottom up and leaving the filter 1 , the water is discharged through pipeline 5 to the control well 4, after which it is discharged to a sewer network or reservoir.

When supplying wastewater from the bottom to the top through a sorption filter with tubular jersey containers made of polyacrylamide fiber by weaving the surface, filled with zeolite and activated carbon, the wastewater is purified from fine suspensions and oil products.

In addition, the use of containers of tubular knitwear made of polyacrylamide fiber by weaving a smooth surface simplifies the process of replacing spent sorbent.

Tubular knitwear made of polyacrylamide fiber by the surface weave is stretched in the longitudinal and transverse directions (as a result of which the pore size increases) and washed with a reverse flow of liquid or gas from mechanical pollutants. When the resource is exhausted, the containers are replaced.

Thus, the use of a filter for sorption wastewater treatment in the form of a cartridge with permeable upper and lower ends and an impenetrable side wall containing containers of tubular knitwear made of polyacrylamide fiber by weaving a smooth surface filled with zeolite and activated carbon, increases the efficiency of the sorption filter and the entire system filters.

Claims (1)

A filter for sorption wastewater treatment in the form of a cartridge with permeable upper and lower ends and an impermeable side wall, filled with zeolite and activated carbon, characterized in that the zeolite and activated carbon are located in containers of tubular knitwear made of polyacrylamide fiber with a smooth weave.

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