CN102535624A

CN102535624A - Sewage concentration drainage device

Info

Publication number: CN102535624A
Application number: CN2011103670711A
Authority: CN
Inventors: 解清杰; 袁广娇; 吴春笃
Original assignee: Jiangsu University
Current assignee: Jiangsu University
Priority date: 2011-11-18
Filing date: 2011-11-18
Publication date: 2012-07-04
Anticipated expiration: 2031-11-18
Also published as: CN102535624B

Abstract

The invention discloses a sewage concentration device, which comprises a sewage pretreatment device, a sewage drainage device and a sewage concentration drainage device. The sewage pretreatment device comprises a special filter material layer; the sewage drainage device comprises a pressure valve, when water flow is low, the pressure valve is automatically opened so that sewage is drained, and when the water flow is high, the pressure valve is closed automatically; and the sewage concentration drainage device comprises a membrane, a water gathering tank, a clear water drainage tube and a concentrated sewage drainage tube. When sewage flow is high, the sewage can be concentrated, so that the flow of the sewage entering a sewage plant is low, treated sewage load is reduced, and simultaneously, pressure of a pipe network is reduced. The sewage is concentrated and filtered to form clear water, and the clear water is drained to a downstream river way.

Description

A kind of sewage concentrates tapping equipment

Technical field

The present invention relates to a kind of sewage and concentrate tapping equipment, when particularly the rainy day sewage quantity is big, it is concentrated collection discharging and reutilizing device.

Background technology

The combined system of formula is directly let out in the middle most employing of townlet's existing systems, and the unprocessed water body that directly enters of most of sewage causes the pollution of natural water, also makes The Surroundings in Cities go from bad to worse.Select shutoff type combined drainage system and the existing pipe duct in cities and towns capable of using, can effectively handle sewage again.Centering townlet are not only economical but also rational.The shutoff type combined drainage system is along the water body parallel lay-up main that dams, and to compile the sewage of each arm, main, several catchpits is set on the appropriate location of main of damming.The working condition of shutoff type combined drainage system: when fine, the main of can considering during design to dam is sent to Wastewater Treatment Plant to whole sanitary sewages and industrial wastewater and handles; During the rainy day, when the run-off of precipitation is very big, the discharge of sewage surpasses the conveyance power of water of the main that dams, and its water yield that exceeds directly enters water body by catchpit, and all the other are transported to Wastewater Treatment Plant.

Relevant at present section dirty device is a lot, and for example: the patent No. is that the following unlatching overflow-type of CN200720109960.7 cuts dirty well.But these inventions have following weak point: 1) lack sewage preprocessing function in early stage; 2) scope of application is limited by the region; 3) device is complicated, and cost is higher.

Summary of the invention

The object of the present invention is to provide a kind of sewage to concentrate tapping equipment, to overcome the deficiency that exists in the prior art, sewage is concentrated when making sewage quantity big, thereby alleviates the Sewage Plant burden, and the clear water after concentrating can enter downstream river course.

For realizing the foregoing invention purpose, the technical scheme that the present invention adopted is following:

The present invention includes water inlet pipe, filtrate, overfall, pressure valve, film, catch basin, strong sewage gutter, clear water gutter, fine sewage drainage pipe, blow-down pipe, interior wall, a wall, film installing wall body, exterior wall.Exterior wall and interior wall are annular, and there are two water inlets the exterior wall middle and upper part, and interior exterior wall is concentric circles; Be pretreatment chamber between the interior exterior wall, the pretreatment chamber the inside is provided with filtrate and blow-down pipe, and filter material layer is located at the top of pretreatment chamber, the bottom of water inlet pipe, and blow-down pipe is respectively established one above exterior wall bottom and filter material layer; Be provided with a wall in the interior wall the inside; Between wall interior wall the inside is divided into the part that two areas equate, be respectively collecting chamber and enriched chamber, two overfalls and a fine sewage drainage pipe are arranged near the interior wall the collecting chamber; Overfall is below filter material layer; Fine sewage drainage pipe is in the bottom of the interior wall below overfall, and fine sewage drainage pipe passes exterior wall and leads to the concentrated tapping equipment of the rainy day sewage outside, on the fine sewage drainage pipe pressure valve is arranged; The wall top has three overfalls, the particular location of this overfall to confirm according to local hydrological data between between collecting chamber and the enriched chamber, and the inside, enriched chamber is provided with concentrated membrane structure; Concentrated membrane structure comprises two films, two film installing wall body, clear water gutter and strong sewage gutters, and two films are installed relatively, and two film installing wall body are installed relatively; Be tetragonous cone table shape structure; Be provided with the braiding channel of square-section ring-type at the tetragonous cone table top, the clear water gutter is installed in below the film installing wall body gets, and is provided with the strong sewage gutter in the braiding channel; The strong sewage gutter directly passes film installing wall body, interior wall and exterior wall and leads to the concentrated tapping equipment of the sewage outside; The catchment is square loop configuration, at the upside of the top of film film installing wall body, in film installing wall body and the inboard loop configuration that forms of film.

Described filtrate is flyash or recessed soil, and layout can solve water inlet problem all around ringwise, can also remove the big impurity such as leaf that are mingled with in the rainwater, pollutants such as while ability adsorption of nitrogen phosphorus.

Described concentrated film is installed on two face walls; The alternate layout of film on two face walls is formed tetragonous cone table shape structure; 50 °-60 ° at angle of inclination when film is laid, film is fixed on the film installing wall body when installing, and the clear water gutter is installed on the film installing wall body; Pass interior wall and exterior wall enters downstream river course with sewage, have the effect of concentrated sewage.

Description of drawings

Fig. 1 concentrates the tapping equipment structural representation for sewage

Fig. 2 is that sewage concentrates the tapping equipment vertical view

Fig. 3 is the front view that concentrates membrane structure

Fig. 4 is the vertical view that concentrates membrane structure

Wherein, 1-water inlet pipe, 2-filtrate, 3-overfall A, 4-pressure valve; 5-overfall B, 6-film, 7-catch basin, 8-strong sewage gutter; 9-clear water gutter, 10-fine sewage drainage pipe, 11-blow-down pipe A, 12-interior wall; A 13-wall, 14-film installing wall body, 15-exterior wall, 16-blow-down pipe B.

The specific embodiment:

As shown in Figure 1, the present invention mainly is made up of water inlet pipe 1, filtrate 2, overfall A 3, pressure valve 4, overfall B 5, film 6, catch basin 7, strong sewage gutter 8, clear water gutter 9, fine sewage drainage pipe 10, blow-down pipe A 11, interior wall 12, a wall 13, film installing wall body 14, exterior wall 15, blow-down pipe B 16.

Sewage at first by 1 access to plant of the water inlet pipe on the exterior wall 15, carries out preliminary treatment through the annular filter bed of material 2 with sewage, removes like branch; Big pollutant such as leaf; Get into collecting chamber through pretreated sewage through the overfall A3 on the interior wall 12, sewage quantity more after a little while, pressure valve 4 is opened; Sewage enters pipe network by gutter 10 and gets into the Sewage Plant processing, and pressure valve 4 is controlled by the hydraulic pressure size; When sewage quantity was big, when the pressure of pressure valve 4 reached a certain value, pressure valve 4 was closed, and the water surface rises, and sewage gets into the enriched chamber from the overfall B5 on the wall 13; Sewage in the enriched chamber concentrates through film 6; Along with the increase of concentration time, film pressure increases, and the strong sewage water level rises and overflows to catch basin 7; Clear water sees through film and drains from gutter 9; In catch basin 7, by strong sewage gutter 8 strong sewage is entered in the reservoir, strong sewage gutter 8 utilizes siphonage, promptly utilizes the water level high difference pressure of catch basin and reservoir that sewage is drained; When device needed maintenance, sewage was by blow-down pipe A 11 and blow-down pipe B 16 emptying, and blow-down pipe A 11 is positioned at the filtrate below; At the bottom of the pond, bottom of device sewage is drained, blow-down pipe B 16 is positioned at the filtrate top; Near filter material layer, with the sewage of filter material layer top draining-off sewage enrichment facility as early as possible.

Claims

1. a sewage concentrates tapping equipment, it is characterized in that: comprise body of wall (14), exterior wall (15) that water inlet pipe (1), spout hole (3), pressure valve (4), overfall (5), film (6), catch basin (7), gutter (8), clear water gutter (9), fine sewage drainage pipe (10), interior wall (12), a wall (13), film are installed; Said exterior wall (15) and interior wall (12) are annular, and there are two water inlets (1) exterior wall (15) middle and upper part, and interior exterior wall is concentric circles, is pretreatment chamber between two annulus; Wall (13) is divided into the part that two areas equate with interior wall between said interior wall (12) the inside, is collecting chamber and enriched chamber; Three overfalls (3) and a fine sewage drainage pipe (10) are arranged on the interior wall of said collecting chamber (12); There are three overfalls (5) wall top between collecting chamber and the enriched chamber; There are two sides wall (14) and two films (6) vis-a-vis vis-a-vis the inside, said enriched chamber; Film (6) is fixed on the wall (14) when installing; Clear water gutter (9) is installed in and passes interior wall on the wall (14) and exterior wall is discharged sewage; Have braiding channel (7) in the top of film (6), be provided with siphon drainage pipe (8) in the braiding channel (7), siphon drainage pipe (8) directly passes interior wall (12) and exterior wall (15).

2. concentrate tapping equipment according to the said sewage of claim 1, it is characterized in that: said pretreatment chamber the inside is provided with filtrate (2), and filtrate (2) is located at the top of pretreatment chamber, the bottom of two water inlet pipes (1).

3. concentrate tapping equipment according to the said sewage of claim 2, it is characterized in that:,, sewage is concentrated tapping equipment bottom sewage drain near establishing a blow-down pipe (A11) on the exterior wall at the bottom of the pond (15) in said filtrate (2) below; On exterior wall (15), establish a blow-down pipe (B16), with the sewage effluent sewerage enrichment facility of filtrate (2) top near filtrate (2) top.

4. concentrate tapping equipment according to claim 2 or 3 said sewage, it is characterized in that: said filtrate (2) is flyash or recessed soil, arranges ringwise.

5. concentrate tapping equipment according to claim 1,2 or 3 said sewage, it is characterized in that: said overfall (3) is in filter material layer (2) below, and gutter (10) is in the bottom of interior wall (12), and there is pressure valve (4) below in overfall (3) on the gutter.

6. concentrate tapping equipment according to claim 1,2 or 3 said sewage, it is characterized in that: said film (6) is installed on two face walls, and the alternate layout of the film on two face walls (6) is formed tetragonous cone table shape structure, 50 ° of-60 ° of settings in film (6) angle of inclination.