SU1234377A1 - Arrangement for purifying waste water and treating sediment - Google Patents

Description

The invention relates to the treatment of wastewater and can be used for cleaning wastewater and sludge treatment at sewage treatment plants.

The purpose of the invention is to simplify operation and intensify the process by reducing the moisture content of the sediment.

FIG. 1 shows the proposed device, a longitudinal section; in fig. 2 - the same top view; in FIG. 3, section A-A in FIG. one.

A device for sewage treatment and sludge treatment includes a pipeline 1 for supplying the cleaned fluid, a biological treatment chamber 2 with disk biofilters 3, a sedimentation and sedimentation chamber 4 placed under the biofilters 3, a tray 5 for collecting and draining purified water and a chamber 6 for secondary sewage settling located coaxially to biofilters 3, and separated by a vertical, not reaching to the bottom of the chamber 6, the partition 7 with a overflow

Chamber 6 of secondary sewage settling is separated from biofilters 3 and chamber 4 of settling and sludge collection by two coaxial vertical partitions 8 and 9, forming a labyrinth channel.

The secondary sedimentation chamber and the sedimentation and sediment collection chamber 4 are provided with pipelines 10 and 11 with valves 12 and 13, respectively, supplying sludge to the septic chamber 14. In the upper part of the septic chamber 14, the sludge water removal and removal chamber 15 is in communication with the septic chamber 14 through slot 16. The chamber 15 communicates through the overflow with the collecting tray 17 for draining sludge water. Septic chamber 14 is equipped with devices for heating and stirring sludge (not indicated), seek to refine the treatment process using the slug depot duct 18, and also simplify the condition, operation and sludge and remove the pipeline 19 by removing the gas pump. .

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The device works as follows.

Pipeline 1 sewage water is fed to biological treatment chamber 2. Organic contaminants are adsorbed by the biosten on disk biofilters 3. Organic water that is cleaned moves between two parallel vertical partitions 8 and 9 and, pouring out from under the guide partition 7, enters the secondary sewage settling chamber 6. After the secondary settling in the chamber 6, the water is poured into the tray 5 of the purified water outlet.

As the sediment accumulates in the settling chamber 4 and the sediment is collected, valve 12 is opened in pipeline 10 and the sediment enters the septic tank 20; as sediment accumulates in the secondary sediment chamber 6, valve 13 is opened in pipeline 11 and the sediment flows through pipeline 10 into the septic chamber 14. In the septic chamber 14, the sediment is transferred and heated by known methods. The fermented sediment through line 18 is removed for further processing or disposal.

Injecting from the chamber 14 fermentation gas is discharged through line 19.

The sludge mixture, which is located in the chamber 13 for separating and removing sludge water, stratifies and the sediment slides down the inclined bottom through the slit 16 into the septic chamber 14, and the sludge water through the overflow enters the collection tray 17 for draining sludge water.

The use of the proposed device for sewage treatment and sludge treatment allows to reduce the moisture of the fermented sludge, to achieve a deeper mineralization, intensity

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Compiled by L. Sukhanova Editor N. Kishtulinets Tehred V. Kadar Proofreader A. Obruchar

Order 2949/28 Circulation 864 Subscription

BNIIPI USSR State Committee

for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5

Production and printing company, Uzhgorod, Projecto st., 4

tpUi.3

Claims (1)

DEVICE FOR WASTE WATER TREATMENT AND SEDIMENT TREATMENT, comprising a housing divided into a biological treatment chamber with disk biofilters, a sedimentation and collection chamber for sedimentation, a secondary sedimentation chamber, a septic chamber and a tray for draining purified water, characterized in that, in order to intensify the treatment process sludge by reducing the humidity of the fermented sludge and simplifying operation, the tray for the removal of purified water and the secondary sedimentation chamber are placed coaxially to the biofilters and are equipped with a separating guide The partition wall, not reaching the bottom of the chamber, as well as the vertical coaxial partitions forming a <g labyrinth channel, while the sedimentation and collection chamber and the secondary sedimentation chamber are equipped with pipelines with valves for supplying sediment to the septic chamber. Vut.f