SU1632458A1 - Vertical settler - Google Patents

Abstract

The invention relates to the treatment of wastewater from colloidal, suspended organic and mineral substances, and can be used in domestic and industrial wastewater treatment plants. The purpose of the invention is to increase the efficiency of wastewater treatment by intensifying the process of separating lung non-settling and floating substances. The source fluid is fed into the central tube of the settling tank onto the baffle and, through the holes, is sent to the cylindrical conical partition to the aerators, are flooded, float, and light particles are removed in the form of foam. The clarified water passes through the lower row of holes in the pipe and, reflecting from the baffle, enters the clarification zone and is discharged, and the separated substances accumulate in the form of sediment in the lower part of the settling tank, from which they are periodically drained. 1 il.

Description

The invention relates to the field of wastewater treatment from colloidal, suspended organic and mineral substances and can be used for the treatment of domestic and industrial wastewater.

The purpose of the invention is to increase the efficiency of wastewater treatment by intensifying the process of separating lung non-settling and floating substances.

The drawing shows a vertical sump, longitudinal section.

The vertical sump contains a cylindrical-conical body 1, a central pipe 2 with a conical baffle 3 installed under it, a cylindrical-conical partition 4 located concentrically relative to the pipe 2 and attached to it a conical part, with its upper edge located above the liquid level. On the side surface of the pipe 2 there are two horizontal rows of holes 5 and 6 located above the point of attachment of the partition 4, while inside the pipe 2 there is an additional conical bump 7 located between the rows of holes 5 and 6. On the outside of the pipe 2 inside the partition 4 Aerators 8 are installed, located between rows of holes 5 and 6. Floating substance collection unit 9 is located above aerators 8, with its upper edge located at the liquid level. The original wastewater is supplied through tray 10, and the water clarified in the sump is collected by the collecting tray 11. Floating substances are discharged from the sump through pipeline 12.

The sump works as follows.

Initial waste water enters the settling tank through the supply tray 10, from which GJ GO SL 00

It enters the central pipe 2. Moving down through the pipe 2, the original waste water is sent through the holes 5 through the openings 5 to the cylinder-conical partition 4 to the aerators 8 located on the outside of the pipe 2. Bubbles of air supplied through the aerators 8, light hydrophobic organic and mineral substances are floated and float as foam onto the surface of the liquid inside the partition 4, and from there the foam enters the floating substance collection unit 9. Depending on the category of the treated wastewater, the foam is driven into the unit 9 either spontaneously or with the help of foam. The collected foam is removed through conduit 12 from the settling tank. The clarified waste water passes between the aerators 8 and through the bottom row of holes 6 enters the central tube 2, moves down and, reflected from the baffle 3, enters the clarifier clarification zone, where it is finally brightened suspended solids, while the separated substances in the form of sediment accumulate in the lower conical part of the housing 1, from which it is periodically drained, the clarified waste water is collected by the tray 11 and discharged from the sump. The use of the proposed construction of a vertical settler allows to intensify the process of separating light non-settling and floating substances and, as a result, to increase the efficiency of wastewater treatment,

Claims (1)

Invention Formula: Vertical settler, comprising a cylindrical-conical body, a central pipe with a conical pipe installed under it. baffle, supply and discharge units for purified water and sludge, a collection and removal unit for floating substances, characterized in that, in order to increase the efficiency of wastewater treatment by to intensify the process of separating the lung of non-settling and floating substances, it is equipped with a cylindrical-conical partition, installed concentrically in its upper part and attached part to the central tube, aerators located between the partition and the central tube, an additional conical baffle mounted at the level of aerators in the central tube, which, in turn, is made with two horizontal rows of openings located above the mounting of the partition, while the floating collection unit substances made above the aerators, and the upper edge of the partition is also above the liquid level.