CN205527978U - Internal reflux denitrogenation low energy consumption oxidation ditch - Google Patents
Internal reflux denitrogenation low energy consumption oxidation ditch Download PDFInfo
- Publication number
- CN205527978U CN205527978U CN201620314225.9U CN201620314225U CN205527978U CN 205527978 U CN205527978 U CN 205527978U CN 201620314225 U CN201620314225 U CN 201620314225U CN 205527978 U CN205527978 U CN 205527978U
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- China
- Prior art keywords
- partition wall
- cell body
- wall
- reflux
- ditch
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The utility model provides an internal reflux denitrogenation low energy consumption oxidation ditch, it includes the ditch body, the ditch body comprises at the central supporter of groove wall with setting up groove wall, has the anaerobism pond at the external side -mounting of ditch, be provided with first partition wall and second partition wall in groove wall, first partition wall and second partition wall be oval structure, the second partition wall sets up between first partition wall and supporter form the outer fissure between first partition wall and the groove wall form the median gutter between first partition wall and the second partition wall form the septal fossula between second partition wall and the supporter. The utility model discloses can be directly take out the mixed liquid in the septal fossula to anaerobism pond import, make the nitrate nitrogen of septal fossula also along with flowing back to the outer fissure like this to raw water intensive mixing with the carbon source is sufficient so not only is favorable to systematic denitrification, improves the denitrogenation ability of system, more is favorable to the digestion of pollutant to be got rid of moreover, and has reduced the energy consumption.
Description
Technical field
This utility model relates to sewage disposal device, especially a kind of internal reflux denitrogenation low energy consumption oxidation ditch, belongs to technical field of sewage.
Background technology
Oxidation ditch is a kind of active sludge processing system, and its Aeration tank is in the irrigation canals and ditches type closed, so it is different from traditional activated sludge process on hydraulic flow state, it is a kind of end to end recycle stream aeration irrigation canals and ditches, also known as circulated aeration tank.Oxidation irrigation canals and ditches the earliest are not built up by armored concrete, but the native irrigation canals and ditches that in addition bank protection processes, and are intermittent water inflow intermittent aeratings, from this point on for, oxidation ditch is the technology processing sewage with sequence batch mode the earliest.The now whole process of oxidation ditch sewage disposal at present such as water inlet, aeration, precipitation, sludge stabilization and water outlets etc. complete in all concentrating on oxidation ditch, oxidation ditch the earliest is not required to separately set primary sedimentation pond, secondary sedimentation tank and sludge reflux equipment, treatment scale and scope gradually expanded later, it generally uses extended aeration, continuous flow, produced microorganism sludge is stablized while sewage aeration purifies, and is not required to arrange preliminary sedimentation tank and sludge digestion tank, and treatment facility is greatly simplified.But, existing current oxidation ditch only has exteenal reflux, and does not has internal reflux, and the most in the winter time during cold operation, the removal effect for nitrogen will be affected.
Utility model content
For above-mentioned deficiency of the prior art, main purpose of the present utility model is to solve the existing current oxidation ditch problem that efficiencies of nitrogen removal is poor when low temperature state runs, and provides a kind of internal reflux denitrogenation low energy consumption oxidation ditch having and preferably denitrogenating ability.
The technical solution of the utility model: a kind of internal reflux denitrogenation low energy consumption oxidation ditch, it is characterised in that include that the ditch body of oxidation ditch, described ditch body are to be made up of oval furrow bank and the supporter being arranged on furrow bank center, be provided with anaerobic pond outside described furrow bank；The first partition wall and the second partition wall it is provided with in described furrow bank, the first described partition wall and the second partition wall are ellipsoidal structure, described second partition wall is arranged between the first partition wall and supporter, outer fissure is formed between described first partition wall and furrow bank, ditch in being formed between described first partition wall and the second partition wall, forms septal fossula between described second partition wall and supporter；First latent dirty formula reflux pump is installed bottom described septal fossula, described first latent dirty formula backflow delivery side of pump is connected with the input of exteenal reflux connecting tube, described exteenal reflux connecting tube is connected across the first partition wall and the second partition wall top, and the outfan opening of exteenal reflux connecting tube is located in anaerobic pond；It is also equipped with internal reflux connecting tube at described first partition wall and the second partition wall upper end, the input opening of described internal reflux connecting tube is located at bottom septal fossula, input in internal reflux connecting tube is provided with the second latent dirty formula reflux pump, and the outfan opening of described internal reflux connecting tube is located at the bottom of outer fissure.
Optimally, being also equipped with walkway board between described supporter and furrow bank, described walkway board is four pieces and is mutually perpendicular to.It is to overhaul for convenience and safeguard that this utility model installs the purpose of walkway board, and all arrange walkway board on four direction is in order to convenient simultaneously.
Optimally, described anaerobic pond includes the cell body of anaerobic pond, described cell body is rectangular configuration, in the side of described cell body, water inlet pipe is installed, being provided with outlet canal on the cell body relative to water inlet pipe opposite side, be also equipped with training wall in the middle part of described cell body, described training wall is laid along cell body length direction, it is respectively kept with passage between left end and the inner left wall of cell body of training wall and between the right side inwall of the right-hand member of training wall and cell body, training wall is also interval with conduction hole；Described cell body is also equipped with exteenal reflux pipe on the sidewall of water inlet pipe side.
Relative to prior art, this utility model has the advantages that
Internal reflux denitrogenation low energy consumption oxidation ditch of the present utility model is by setting up latent dirty formula sludge reflux pump in oxidation ditch, directly the mixed liquor in septal fossula can be evacuated to anaerobic pond import, so make the nitrate nitrogen of septal fossula also with being back to outer fissure, and sufficient former water is sufficiently mixed with carbon source, so not only contribute to the denitrification of system, the denitrification ability of raising system, and the digestion being more beneficial for pollutant is removed, and also reduce energy consumption.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model a kind of internal reflux denitrogenation low energy consumption oxidation ditch.
In figure, 1 furrow bank, 2 supporters, 3 anaerobic ponds, 31 cell body, 32 water inlet pipes, 33 outlet canals, 34 training walls, 35 conduction holes, 36 exteenal reflux pipes, 4 first partition walls, 5 second partition walls, 6 first latent dirty formula reflux pumps, 7 exteenal reflux connecting tubes, 8 internal reflux connecting tubes, 9 second latent dirty formula reflux pumps, 10 walkway boards.
Detailed description of the invention
The utility model is described in further detail with detailed description of the invention below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of internal reflux denitrogenation low energy consumption oxidation ditch, including the ditch body of oxidation ditch, described ditch body is to be made up of oval furrow bank 1 and the supporter 2 being arranged on furrow bank 1 center, is provided with anaerobic pond 3 outside described furrow bank 1；The first partition wall 4 and the second partition wall 5 it is provided with in described furrow bank 1, the first described partition wall 4 and the second partition wall 5 are ellipsoidal structure, described second partition wall 5 is arranged between the first partition wall 4 and supporter 2, outer fissure is formed between described first partition wall 4 and furrow bank 1, ditch in being formed between described first partition wall 4 and the second partition wall 5, forms septal fossula between described second partition wall 5 and supporter 2；First latent dirty formula reflux pump 6 is installed bottom described septal fossula, the described first latent dirty outfan of formula reflux pump 6 is connected with the input of exteenal reflux connecting tube 7, described exteenal reflux connecting tube 7 is connected across the first partition wall 4 and the second partition wall 5 top, and the outfan opening of exteenal reflux connecting tube 7 is located in anaerobic pond 3；It is also equipped with internal reflux connecting tube 8 at described first partition wall 4 and the second partition wall 5 upper end, the input opening of described internal reflux connecting tube 8 is located at bottom septal fossula, input in internal reflux connecting tube 8 is provided with the second latent dirty formula reflux pump 9, and the outfan opening of described internal reflux connecting tube 8 is located at the bottom of outer fissure.
Seeing Fig. 1, be also equipped with walkway board 10 between described supporter 2 and furrow bank 1, described walkway board 10 is four pieces and is mutually perpendicular to.In this utility model, described anaerobic pond 3 includes the cell body 31 of anaerobic pond, described cell body 31 is rectangular configuration, in the side of described cell body 31, water inlet pipe 32 is installed, cell body 31 relative to water inlet pipe 32 opposite side is provided with outlet canal 33, it is also equipped with training wall 34 in the middle part of described cell body 31, described training wall 34 is laid along cell body 31 length direction, it is respectively kept with passage between left end and the inner left wall of cell body 31 of training wall 34 and between the right side inwall of the right-hand member of training wall 34 and cell body 31, training wall 34 is also interval with conduction hole 35；Described cell body 31 is also equipped with exteenal reflux pipe 36 on the sidewall of water inlet pipe 32 side.
It should be noted that, above example is only in order to illustrate technical solutions of the utility model rather than restriction technologies scheme, although this utility model is explained in detail by applicant with reference to preferred embodiment, it will be understood by those within the art that, those amendments that technical solutions of the utility model are carried out or equivalent, objective and the scope of the technical program can not be departed from, all should contain in the middle of this utility model right.
Claims (3)
1. an internal reflux denitrogenation low energy consumption oxidation ditch, it is characterized in that, including the ditch body of oxidation ditch, described ditch body is by oval furrow bank (1) and to be arranged on the supporter (2) at furrow bank (1) center and constitute, and is provided with anaerobic pond (3) outside described furrow bank (1)；The first partition wall (4) and the second partition wall (5) it is provided with in described furrow bank (1), described the first partition wall (4) and the second partition wall (5) are ellipsoidal structure, described second partition wall (5) is arranged between the first partition wall (4) and supporter (2), outer fissure is formed between described first partition wall (4) and furrow bank (1), ditch in being formed between described first partition wall (4) and the second partition wall (5), forms septal fossula between described second partition wall (5) and supporter (2)；First latent dirty formula reflux pump (6) is installed bottom described septal fossula, the outfan of the described first latent dirty formula reflux pump (6) is connected with the input of exteenal reflux connecting tube (7), described exteenal reflux connecting tube (7) is connected across the first partition wall (4) and the second partition wall (5) top, and the outfan opening of exteenal reflux connecting tube (7) is located in anaerobic pond (3)；It is also equipped with internal reflux connecting tube (8) described first partition wall (4) and the second partition wall (5) upper end, the input opening of described internal reflux connecting tube (8) is located at bottom septal fossula, input in internal reflux connecting tube (8) is provided with the second latent dirty formula reflux pump (9), and the outfan opening of described internal reflux connecting tube (8) is located at the bottom of outer fissure.
A kind of internal reflux denitrogenation low energy consumption oxidation ditch the most according to claim 1, it is characterised in that being also equipped with walkway board (10) between described supporter (2) and furrow bank (1), described walkway board (10) is four pieces and is mutually perpendicular to.
A kind of internal reflux denitrogenation low energy consumption oxidation ditch the most according to claim 2, it is characterized in that, described anaerobic pond (3) includes the cell body (31) of anaerobic pond, described cell body (31) is rectangular configuration, in the side of described cell body (31), water inlet pipe (32) is installed, relative to being provided with outlet canal (33) on the cell body (31) of water inlet pipe (32) opposite side, it is also equipped with training wall (34) at described cell body (31) middle part, described training wall (34) is laid along cell body (31) length direction, it is respectively kept with passage between left end and the inner left wall of cell body (31) of training wall (34) and between the right side inwall of the right-hand member of training wall (34) and cell body (31), training wall (34) is also interval with conduction hole (35)；The sidewall of upper close water inlet pipe (32) side of described cell body (31) is also equipped with exteenal reflux pipe (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620314225.9U CN205527978U (en) | 2016-04-15 | 2016-04-15 | Internal reflux denitrogenation low energy consumption oxidation ditch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620314225.9U CN205527978U (en) | 2016-04-15 | 2016-04-15 | Internal reflux denitrogenation low energy consumption oxidation ditch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205527978U true CN205527978U (en) | 2016-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620314225.9U Expired - Fee Related CN205527978U (en) | 2016-04-15 | 2016-04-15 | Internal reflux denitrogenation low energy consumption oxidation ditch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205527978U (en) |
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2016
- 2016-04-15 CN CN201620314225.9U patent/CN205527978U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20170415 |