CN207361975U

CN207361975U - A kind of sanitary sewage multi-stage treatment units

Info

Publication number: CN207361975U
Application number: CN201721412044.0U
Authority: CN
Inventors: 常兴丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-10-28
Filing date: 2017-10-28
Publication date: 2018-05-15
Anticipated expiration: 2027-10-28

Abstract

The utility model discloses a kind of sanitary sewage multi-stage treatment units, including filtering ponds, aeration tank, sedimentation basin, clear water reserviors, filtering ponds interior side is equipped with filter screen I, filtering ponds side is equipped with aeration tank, filtering ponds and aeration tank are separated by partition plate I, and partition plate I is equipped with some water outlets, and aeration tank interior side is equipped with aeration manifold, aeration manifold sides are equipped with some aeration branch pipes, and aeration branch pipe is equipped with some equally distributed aeration heads；Aeration tank side is equipped with sedimentation basin, and the vertical height of partition plate II is less than the vertical height of partition plate I, and II lower part side of partition plate is equipped with back mud pipe, and the bottom of pond of sedimentation basin is higher than the bottom of pond of aeration tank；Sedimentation basin side is equipped with clear water reserviors.The utility model first filters the large granular impurity in sewage, reduces the pressure of follow-up sewage disposal, and utilizes the height official post sewage automatic flowing of processing pond partition plate, reduces the input of equipment, reduces the energy consumption of sewage-treatment plant.

Description

A kind of sanitary sewage multi-stage treatment units

Technical field

The utility model belongs to technical field of environment protection equipment, more particularly to a kind of sanitary sewage multi-stage treatment units.

Background technology

With the increasingly continuous development of expansion and industrial or agricultural of urban population, water resource pollution is increasingly severe, especially In Urban Water Quality is more serious；Sewage is unprocessed just to be discharged, and serious pollution can be not only caused to ecological environment, can more cause water The waste of resource.

By retrieval, the utility model patent of Application No. 201620950716.2 discloses a kind of sewage disposal system, The sewage disposal system aeration tank bottom is provided with some aeration heads；Water aeration delivery pipe is provided between sedimentation basin and aeration tank Road；Precipitation water conveyance conduit is provided between flotation tank and sedimentation basin；Filtering ponds are internally provided with filter layer, filtering ponds and air supporting Mobile water pump is placed between pond；Fresh water pipeline one is provided between clear water reserviors and flotation tank, is provided between filtering ponds clear Waterpipe two, for fresh water pipeline one with being both provided with water pump on fresh water pipeline two, it first carries out aeration reprecipitation in sewage disposal And filtering, the large granular impurity in sewage are finally just processed with the whole process of sewage disposal, add sewage disposal system The pressure of system, and it is provided with water pump on adjacent treatment tank, not only increases the input of equipment, and add The energy consumption of sewage disposal system.

The content of the invention

The purpose of the utility model is to overcome insufficient in the prior art, there is provided a kind of sanitary sewage multi-stage treatment units, first Large granular impurity in sewage is filtered, reduces the pressure of follow-up sewage disposal, and utilize the height of processing pond partition plate Official post sewage automatic flowing, reduces the input of equipment, reduces the energy consumption of sewage-treatment plant.

To achieve these goals, the technical solution adopted in the utility model is：

A kind of sanitary sewage multi-stage treatment units, including filtering ponds, aeration tank, sedimentation basin, clear water reserviors, in the filtering ponds Portion side is equipped with filter screen I, and pending sewage falls to be filtered on filter screen I, removes the large granular impurity in sewage, drop The low pressure of follow-up sewage disposal；The filtering ponds side is equipped with aeration tank, and the filtering ponds and aeration tank are divided by partition plate I Open, the partition plate I is equipped with some water outlets, and the water outlet is located at I lower part of filter screen, and the aeration tank interior side is equipped with Manifold is aerated, the aeration manifold sides are equipped with some aeration branch pipes, and the aeration branch pipe is equipped with some equally distributed exposures Gas head, sewage carry out Air Exposure after filtering in aeration tank；The aeration tank side is equipped with sedimentation basin, the aeration tank Separated with sedimentation basin by partition plate II, the vertical height of the partition plate II is less than the vertical height of partition plate I, and sewage is by Air Exposure Flow into sedimentation basin and precipitated from II top of partition plate afterwards, the II lower part side of partition plate is equipped with back mud pipe, and described time mud pipe passes through Logical sedimentation basin and aeration tank, the bottom of pond of the sedimentation basin are higher than the bottom of pond of aeration tank, are on the one hand flowed into easy to the sludge after precipitation In aeration tank, the sludge adverse current in aeration tank is on the other hand avoided into sedimentation basin；The sedimentation basin side is equipped with clear water reserviors, The sedimentation basin and clear water reserviors are separated by partition plate III, and the vertical height of the partition plate III is less than the vertical height of partition plate II, when After water level in sedimentation basin reach a certain height, purified sewage is flowed into clear water reserviors by the top of partition plate III.

Preferably, the water outlet is internally provided with filter screen II, and the mesh number of the filter screen II is more than the mesh of filter screen I Number, filter screen II are again filtered the solid particulate matter in sewage, ensure that the effect of sewage disposal.

Preferably, the II top side of partition plate is equipped with filter screen III, and filter screen III reduces the sludge stream in aeration tank Enter in sedimentation basin, enhance the effect of sewage disposal.

Preferably, the sedimentation basin bottom of pond is wedged bottom, is less than close to the height for going back to mud pipe one end away from time mud pipe one end Highly, wedged bottom is conducive to sludge and quickly flows to back mud pipe, improves the efficiency of sewage disposal.

Preferably, II side of partition plate is equipped with L-type plate, and the L-type plate side is equipped with V-type plate I, the L-type plate and V-type Plate I is respectively positioned on inside sedimentation basin, and L-type plate and V-type plate I are respectively positioned on sedimentation basin bottom of pond top, and described I one end of V-type plate is fixed on On partition plate III, the other end forms "eight" shape groove with L-type plate, and the I top side of V-type plate is equipped with V-type plate II, the V-type plate II is located at "eight" shape notch top, and I side of L-type plate and V-type plate is equipped with sludge pipe；Sewage is flowed into after sedimentation basin in L Change flow direction under the water conservancy diversion of template, change flow direction again under the stop of V-type plate II, sludge then sinks under the action of inertia force Drop, and sewage bending flowing extends the sedimentation time of sewage, enhances the sedimentation effect of sewage.

Beneficial effect is shown the utility model compared with prior art：

1) first the large granular impurity in sewage is filtered, reduces the pressure of follow-up sewage disposal, and utilize processing The height official post sewage automatic flowing of pond partition plate, reduces the input of equipment, reduces the energy consumption of sewage-treatment plant；

2) water outlet is internally provided with filter screen II, and the mesh number of filter screen II is more than the mesh number of filter screen I, and filter screen II is again Solid particulate matter in sewage is filtered, ensure that the effect of sewage disposal；

3) II top side of partition plate is equipped with filter screen III, and the sludge that filter screen III reduces in aeration tank flows into sedimentation basin In, enhance the effect of sewage disposal；

4) sedimentation basin bottom of pond is wedged bottom, is less than close to the height for going back to mud pipe one end away from the height for going back to mud pipe one end, wedged bottom Be conducive to sludge and quickly flow to back mud pipe, improve the efficiency of sewage disposal；

5) V-type plate I forms "eight" shape groove with L-type plate, and V-type plate II is located at "eight" shape notch top, and sewage flows into heavy Change flow direction behind the pond of shallow lake under the water conservancy diversion of L-type plate, change flow direction again under the stop of V-type plate II, sludge is then in inertia force The lower sedimentation of effect, and sewage bending flowing extends the sedimentation time of sewage, enhances the sedimentation effect of sewage.

Brief description of the drawings

Attached drawing 1 is a kind of sanitary sewage multi-stage treatment units structure diagram of the utility model；

Attached drawing 2 is a kind of sanitary sewage multi-stage treatment units internal structure schematic diagram of the utility model；

Attached drawing 3 is A-A profiles in a kind of sanitary sewage multi-stage treatment units of the utility model；

In figure：11- filtering ponds, 12- aeration tanks, 13- sedimentation basins, 14- clear water reserviors, 15- filter screens I, 16- water outlets, 17- Filter screen II, 18- aeration manifold, 19- aeration branch pipes, 20- aeration heads, 21- partition plates I, 22- partition plates II, 23- filter screens III, 24- Baffle, 25-V templates I, 26-V templates II, 27- bottom of pond, 28- return mud pipe, 29- sludge pipes, 30- partition plates III.

Embodiment

For convenience of the understanding of those skilled in the art, 1-3 below in conjunction with the accompanying drawings, to the technical solution of the utility model into one Step illustrates.

A kind of sanitary sewage multi-stage treatment units, including filtering ponds 11, aeration tank 12, sedimentation basin 13, clear water reserviors 14, it is described 11 interior side of filtering ponds is equipped with filter screen I 15, and pending sewage falls to be filtered on filter screen I 15, removes in sewage Large granular impurity, reduce the pressure of follow-up sewage disposal；11 side of filtering ponds is equipped with aeration tank 12, the filtering ponds 11 and aeration tank 12 opened for I 21 points by partition plate, the partition plate I 21 is equipped with some water outlets 16, and the water outlet 16 was located at I 15 lower part of strainer, 12 interior side of aeration tank are equipped with aeration manifold 18, and 18 sides of the aeration manifold are equipped with some aerations Branch pipe 19, the aeration branch pipe 19 are equipped with some equally distributed aeration heads 20, and sewage is after filtering in aeration tank 12 Carry out Air Exposure；12 side of aeration tank is equipped with sedimentation basin 13, and the aeration tank 12 and sedimentation basin 13 pass through partition plate II 22 Separate, the vertical height of the partition plate II 22 is less than the vertical height of partition plate I 21, sewage by after Air Exposure from partition plate II 22 Portion flows into sedimentation basin 13 and is precipitated, and the II 22 lower part side of partition plate is equipped with back mud pipe 28, and the described time perforation of mud pipe 28 is heavy Shallow lake pond 13 and aeration tank 12, the bottom of pond 27 of the sedimentation basin 13 is higher than the bottom of pond of aeration tank 12, on the one hand easy to the dirt after precipitation Mudflow enters in aeration tank 12, on the other hand avoids the sludge adverse current in aeration tank 12 into sedimentation basin 13；The sedimentation basin 13 Side is equipped with clear water reserviors 14, and the sedimentation basin 13 and clear water reserviors 14 are opened for III 30 points by partition plate, the vertical height of the partition plate III 30 Degree less than partition plate II 22 vertical height, after the water level in sedimentation basin 13 reach a certain height, purified sewage by every The top of plate III 30 is flowed into clear water reserviors 14.

The water outlet 16 is internally provided with filter screen II 17, and the mesh number of the filter screen II 17 is more than the mesh of filter screen I 15 Number, filter screen II 17 are again filtered the solid particulate matter in sewage, ensure that the effect of sewage disposal.

The II 22 top side of partition plate is equipped with filter screen III 23, and filter screen III 23 reduces the sludge stream in aeration tank 12 Enter in sedimentation basin 13, enhance the effect of sewage disposal.

13 bottom of pond 27 of sedimentation basin is wedged bottom, is less than close to the height for going back to 28 one end of mud pipe away from time 28 one end of mud pipe Highly, wedged bottom is conducive to sludge and quickly flows to back mud pipe 28, improves the efficiency of sewage disposal.

II 22 side of partition plate is equipped with L-type plate 24, and 24 side of L-type plate is equipped with V-type plate I 25,24 He of L-type plate V-type plate I 25 is respectively positioned on inside sedimentation basin 13, and L-type plate 24 and V-type plate I 25 are respectively positioned on 13 bottom of pond of sedimentation basin, 27 top, the V I 25 one end of template is fixed on partition plate III 30, and the other end forms "eight" shape groove, I 25 top one of V-type plate with L-type plate 24 Side is equipped with V-type plate II 26, and the V-type plate II 26 is located at "eight" shape notch top, and the L-type plate 24 and I 25 side of V-type plate are equal Equipped with sludge pipe 29；Sewage flows into changes flow direction under the water conservancy diversion of L-type plate 24 after sedimentation basin 13, under the stop of V-type plate II 26 Change flow direction again, sludge then settles under the action of inertia force, and sewage bending flowing extends the sedimentation time of sewage, increases The strong sedimentation effect of sewage.

Above content is only to the structure example and explanation of the utility model, the technology of affiliated the art Personnel do various modifications or additions to described specific embodiment or substitute in a similar way, without departing from The structure of utility model surmounts scope defined in the claims, all should belong to the protection range of the utility model.

Claims

1. a kind of sanitary sewage multi-stage treatment units, including filtering ponds, aeration tank, sedimentation basin, clear water reserviors, it is characterised in that described Filtering ponds interior side is equipped with filter screen I, and the filtering ponds side is equipped with aeration tank, and the filtering ponds and aeration tank pass through partition plate I separates, and the partition plate I is equipped with some water outlets, and the water outlet is located at I lower part of filter screen, the aeration tank interior side Equipped with aeration manifold, the aeration manifold sides are equipped with some aeration branch pipes, and the aeration branch pipe is equipped with some be uniformly distributed Aeration head；The aeration tank side is equipped with sedimentation basin, the aeration tank and sedimentation basin and is separated by partition plate II, the partition plate II Vertical height be less than the vertical height of partition plate I, the II lower part side of partition plate is equipped with back mud pipe, and described time mud pipe, which penetrates through, to be precipitated Pond and aeration tank, the bottom of pond of the sedimentation basin are higher than the bottom of pond of aeration tank；The sedimentation basin side is equipped with clear water reserviors, the precipitation Pond and clear water reserviors are separated by partition plate III, and the vertical height of the partition plate III is less than the vertical height of partition plate II.

2. a kind of sanitary sewage multi-stage treatment units according to claim 1, it is characterised in that set inside the water outlet There is filter screen II, the mesh number of the filter screen II is more than the mesh number of filter screen I.

A kind of 3. sanitary sewage multi-stage treatment units according to claim 1, it is characterised in that II top one of partition plate Side is equipped with filter screen III.

4. a kind of sanitary sewage multi-stage treatment units according to claim 1, it is characterised in that the sedimentation basin bottom of pond is Wedged bottom, is less than away from the height for going back to mud pipe one end close to the height for going back to mud pipe one end.

5. a kind of sanitary sewage multi-stage treatment units according to claim 1, it is characterised in that II side of partition plate is set There is L-type plate, the L-type plate side is equipped with V-type plate I, and the L-type plate and V-type plate I are respectively positioned on inside sedimentation basin, and L-type plate and V Template I is respectively positioned on sedimentation basin bottom of pond top, and described I one end of V-type plate is fixed on partition plate III, and the other end forms " eight " with L-type plate Font groove, the I top side of V-type plate are equipped with V-type plate II, and the V-type plate II is located at "eight" shape notch top, the L-type Plate and I side of V-type plate are equipped with sludge pipe.