SU850130A1 - Settler for cleaning sewage from suspended particles - Google Patents

Description

Union of Soviet Socialist Republics

USSR State Committee for Inventions and Discoveries

DESCRIPTION OF THE INVENTION

COPYRIGHT (61) Additional to author. certificate-wu - (22) Declared 22.1 Q79. (21) 2830962 / 23-26 with the addition of application No. - (23) Priority -

Published on July 30, 81. Bulletin No. 28

Date of publication of the description 30.07.81 <»> 850130 (51) M. Cl. ³ in 01 D 21/00 C 02 F 1/52 (53) UDC 628.314.

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(72) The inventors V.V. Naydenko I.L. Gubanov J V '....... ί ^Γ ', ·; '. ·? / (71) Applicant Gorky Civil Engineering Institute · them. V.P. Chkalova ...... /

(54) - SILT WATER FOR WASTE WATER TREATMENT FROM WEIGHTED SUBSTANCES

2

The invention relates to devices intended for wastewater treatment from suspended solids, and can be used in engineering, metallurgy, mining and other industries.

Known sump for cleaning liquids from suspended solids and oil products, including a housing, a pipe for supplying source water, a settling chamber, filters installed in the upper part of the chamber at a distance from each other, and a pipe for removing sediment [1].

The disadvantages of the known device are the low degree of purification from suspended solids, the complexity of the regeneration of the filters and the uneven distribution of the liquid entering the treatment over the cross section of the sump.

The purpose of the invention is to increase the degree of purification by improving the conditions of regeneration and water distribution.

This goal is achieved by the fact that in the sump comprising a housing, a pipe for supplying source water, a settling chamber and filters, filters are mounted for rotation, and the pipe for supplying source water is equipped with a water distributor.

In this case, the source water supply pipe is placed vertically, and the water distributor is made in the form of a disk and installed above it in height at a distance from each other.

decreasing from top to bottom, conical partitions, the lower of which are made with holes in the vertices.

The drawing shows a sump ^ longitudinal section.

, The sump includes a cylindrical housing 1, a conical bottom 2 for collecting sediment, a water distributor 3 located in the lower part of the housing

1 and made in the form of a disk with conical partitions 4 installed above it at a height decreasing from top to bottom by distance, the lower of which is made with 20 holes, a collecting tray, 5 purified water, a purified water outlet pipe 6 ', a pipe 7 for removing sediment. Inside the housing 1, in its upper part, self-regenerating filters 8 are mounted, connected to a rotation drive for centrifugal regeneration. Filters 8 are arranged concentrically and form prefabricated pockets 9 with visors 10 between themselves. The walls of the filters 8 are perforated, the lower and upper surfaces are made in the form of grids. Filters 8 are mounted on a frame 11 having a sliding bearing 12 through a stop 13 of the rotation shaft 14.

To limit the movement of the filters 8 in the vertical direction there is a shoulder 15. The shaft 14 is rigidly connected to the filters 8 by means of radially arranged ribs 16. The filters 8 have a filtering granular plastic load 17, for example, polyethylene with a grain size of 3-4 mm. For the supply of source water in the lower part of the housing 1, a pipe 18 is provided, placed vertically under the water distributor 3.

The device operates as follows.

Wastewater through the pipe 18 is fed into the water distributor 3. Passing from bottom to top between the conical partitions 4, the water is evenly distributed over the entire cross section of the housing 1 and filters 8. When the water moves in the horizontal and vertical directions, the bulk of suspended solids with a hydraulic particle size of 0.5 mm / s Suspended substances with a hydraulic particle size of 0.5 mm / s are carried out to the upper part of the housing 1. A partially clarified waste water stream rises up and passes through filters 8, in which the fine particles of suspended solids are retained. The clarified water is collected in the drainage tray 5 and discharged to the consumer through the pipe 6. If the filter load 17 is contaminated, the water supply to the sump is stopped, the sediment accumulated on the conical bottom 2 is removed through pipeline 7 and the filters 8 are rotated at a speed of about 10 rpm.

In this case, the filter load 17 moves in the opposite direction, the granules of the load 17 collide with each other, as a result of which the contaminants separate from the load 17 and, under the action of the centrifugal force arising from the rotation of the filters 8, move to the perforated walls of the filters 8. Through the perforations, the dirt penetrates into the prefabricated pockets 9 and along the inclined peaks 10 slide onto the conical bottom 2. The rotation of the filters 8 is stopped, the precipitate through the pipe '7 is removed for dehydration. After that, the device is put into operation.

The proposed settler in comparison with the known one provides an increase in the degree of purification, improved regeneration and simplified design.

Claims (2)

one The invention relates to devices intended for the treatment of wastewater from suspended substances, and can be used in the engineering, metallurgical, mining and other industries, A sump for cleaning liquids from suspended solids and petroleum products is known, including a housing, an inlet water supply pipe, a settling chamber, filters installed at the top of the chamber at a distance from each other, and a sediment removal pipe 1. The disadvantages of the known device are the low degree of purification from suspended substances, the complexity of filter regeneration and the uneven distribution of the liquid entering the purification over the cross section of the settling tank. The purpose of the invention is to increase the degree of purification by improving the conditions of regeneration and water distribution. The goal is achieved by the fact that in the settling tank includes a housing, a source water supply pipe, a settling chamber and filters, filters are installed rotatably, and the source water supply pipe is equipped with a water distributor. At the same time, the source water inlet pipe is placed vertically, and the water distributor is made in the form of a disk and installed 5 height above it at a distance from each other, decreasing from top to bottom, conical partitions, the lower of which are made with openings in the tops. . The drawing shows a sump longitudinal section. The sump includes a cylindrical body 1, a conical bottom 2 for collecting sediment, a water distributor 3 placed in the lower part of the body 15 1 and made in the form of a disk with conical pereversible overhead mounted 4 above it, 20 holes, a collection tray, 5 purified water, a branch pipe 6 for discharging purified water, pipe 7: to remove sediment. Inside the housing 1, in its upper part, self-regenerating filters B are installed, connected to a rotating drive for centrifugal regeneration. Filters 8 are arranged concentrically and form precast pockets 9 with canopies 10 between 30 of them. C5 tags of filters 8 are perforated, the lower and upper surfaces are made in the form of nets. The filters 8 are mounted on the frame AND having a sliding bearing 12, through the stop 13 of the rotation shaft 14. In order to limit the movement of the filters 8 in the vertical direction, there is a flange 15. The shaft 14 is rigidly connected to the filters 8 by means of radially arranged ribs 16. The filters 8 have a filtering granular plastic loading 17, for example polyethylene with a grain size of 3-4 mm. In order to supply the source water in the lower part of the housing 1, a nozzle 18 is provided, placed vertically under the water distributor 3. The device works as follows. Sewage water through pipe 18 is fed into the water distributor 3. A bottom-up passage between conical partitions 4 water is evenly distributed over the entire cross section of the housing 1 and filters 8. When water moves in a horizontal and vertical direction, and x there is a release of the main mass of suspended solids from the hydraulic size of 0.5 mm / s. Suspended substances with a hydraulic size of 0.5 mm / s are carried to the upper part of the housing 1. The partially clarified wastewater flow rises upwards and passes through filters 8, in which fine particles of suspended substances are retained. The clarified water is collected by the catchment tray 5 and discharged to the consumer through nozzle 6. When the filtering load 17 is contaminated, the water supply to the sump is stopped, the sediment accumulated on the conical bottom 2 is removed through conduit 7 and the filters 8 are rotated at a speed of about 10 / min In this case, the filter loading 17 moves in the opposite direction, the loading granules 17 collide with each other, as a result of which the contaminants are separated from the load 17 and, under the action of the centrifugal force that occurs when the filters 8 rotate, move to the perforated walls of the filters 8. Through the perforations of the soil penetrate into the modular pockets 9 and slide along the inclined peaks 10 onto the conical bottom 2. The rotation of the filters 8 is stopped, the sediment through the nozzle 7 is removed for dehydration. After this, the device is put into operation. A disposable clarifier compared with the known provides an increase in the degree of purification, improvement regeneration and simplification of the design. invention formula 0 1. Septic tank for the treatment of wastewater from suspended substances, including the housing, the source water inlet, the settling chamber, filters installed in the upper part of the chamber 5, apart from each other, and a sediment removal pipe, characterized in that, in order to increase the purification level by improving the regeneration and water distribution conditions, the filters are rotatably installed and the source water supply pipe is provided with a water distributor. 2. A sump according to claim 1, characterized in that the source water supply pipe is placed vertically and the water distributor is made in the form of a disk and installed above it in height from one another, decreasing from top to bottom, 0 conical partitions, the lower of which are made with holes at the vertices. Sources of information taken into account in the examination 1. CLUA patent number 3503514, cl. 210-301, 1966. lh5 1 TG ElilSSSy TT rj // / 2 X fff vl GT: P fw-fi-. D)