CN105236570A - Biological reaction tank capable of having modes switched - Google Patents
Biological reaction tank capable of having modes switched Download PDFInfo
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- CN105236570A CN105236570A CN201510651371.0A CN201510651371A CN105236570A CN 105236570 A CN105236570 A CN 105236570A CN 201510651371 A CN201510651371 A CN 201510651371A CN 105236570 A CN105236570 A CN 105236570A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 69
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 54
- 238000005192 partition Methods 0.000 claims description 35
- 238000010992 reflux Methods 0.000 claims description 29
- 239000010802 sludge Substances 0.000 claims description 21
- 239000011259 mixed solution Substances 0.000 claims description 18
- 230000002262 irrigation Effects 0.000 claims description 16
- 238000003973 irrigation Methods 0.000 claims description 16
- 230000004941 influx Effects 0.000 claims description 6
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 5
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract 4
- 238000000034 method Methods 0.000 description 34
- 230000008569 process Effects 0.000 description 15
- 238000011112 process operation Methods 0.000 description 8
- 230000006872 improvement Effects 0.000 description 6
- 239000010865 sewage Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- 229920000037 Polyproline Polymers 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006396 nitration reaction Methods 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a biological reaction tank capable of having modes switched. The biological reaction tank contains two reaction tanks in mirror arrangement and with same structures; each reaction tank includes an aerobic zone and an anaerobic/anoxic zone composed of a plurality of anaerobic/anoxic tanks; the aerobic zone includes an aerobic tank. The anaerobic/anoxic zone of one reaction pool and the anaerobic/anoxic zone of the other reaction pool are adjacent and are arranged in parallel; each aerobic zone is arranged at the outer side of the anaerobic/anoxic zone, and a separation wall is arranged between each anaerobic/anoxic zone and each aerobic zone. Each anaerobic/anoxic zone has a shape of long strip and is internally provided with separation walls for dividing the anaerobic/anoxic zone into 8 square anaerobic/anoxic tanks. Each aerobic zone comprises two parallel channels, a separation wall is arranged between the two channels, and the top of the separation wall is equipped with an air pipe gallery. An initial section of one channel, connected with the anaerobic/anoxic zone, of each aerobic zone is arranged as an alternating section. The biological reaction tank capable of having the modes switched can choose different operating modes according to water quality of inlet water and processing requirements, has flexible operation and management, and has strong adaptability.
Description
Technical field
The present invention relates to the waste disposal plant in a kind of public works and environmental engineering; particularly, a kind of biological reaction tank merging the multiple energy switch modes based on AO technological principle such as traditional A/A/O technique, inversion A/A/O technique, branch water inlet inversion A/A/O technique and improvement A/A/O technique is related to.
Background technology
Biological denitrification phosphorous removal technique is the biological treatment developed based on anoxic denitrogenation and anaerobic phosphorus release principle.With the traditional activated sludge process that A/A/O technique is representative, whole biological denitrification phosphorous removal technique is the arrangement form of anaerobism (A1)/anoxic (A2)/aerobic (O), and its typical process flow figure as shown in Figure 1.Second pond sludge reflux, to anaerobism section, after mixing, completes effective release of phosphorus containing the returned sluge of polyP bacteria with sewage; Mixed-liquor return, to anoxic section, under anoxic conditions, completes anti-nitration reaction by under denitrifying bacteria effect.
The feature of tradition A/A/O technique is anaerobism, anoxic and aerobic three sections of definite functions, the division is clearly demarcated, be conducive to the Growth and reproduction of all kinds of bacterial classification, and can according to flow condition and water outlet requirement, create and control space-time ratio and the operating condition of three sections artificially, as long as carbon source is sufficient, just as required, higher denitrification percent can be reached.
But there is following shortcoming in conventional A/A/O technique:
(1) owing to ranking forefront in anaerobic zone, the nitrate in returned sluge has a negative impact to anaerobic zone;
(2) because oxygen-starved area is positioned in the middle part of system, denitrification divides to mix in carbon source and occupy minus advantage, thus have impact on the denitrification effect of system;
For the deficiency of traditional A/A/O technique, based on the continuous Evolution Development of technique of A/O denitrogenation dephosphorizing principle, there is inversion A/A/O technique, branch water inlet inversion A/A/O technique, improvement A/A/O technique etc. successively.
Above-mentioned often kind of a treatment process has feature, all have a lot of Engineering Projects at home and abroad, from treatment effect, above process sequence all can meet processing requirements, but often kind of technique all has and stresses, in initial cost, running cost, occupation of land, operational management etc., there is certain difference.Specific to engineer applied, the selection of sewage treatment process should take into full account the feasibility of technology, economic reasonableness, the specific aim of design emphasis, to the adaptability of the sewage quality water yield, and the many factors such as the stability of operation.
Summary of the invention
The object of this invention is to provide a kind of for the biological reaction tank in public works and environmental engineering; each functional area of reasonable Arrangement and pond row optimization design, can require flexible adjust operation pattern and treatment process according to the change of the influent quality water yield and effluent quality.
In order to achieve the above object, the invention provides a kind of biological reaction tank of energy switch mode, wherein, that this biological reaction tank comprises two mirror-image arrangement, that structure is identical reaction tank; Each reaction tank all comprises aerobic zone, and by some lattice detest/anoxic pond form detest/oxygen-starved area; Described aerobic zone comprises Aerobic Pond.
Above-mentioned can the biological reaction tank of switch mode, wherein, described reaction tank, it detests/the detesting of oxygen-starved area and another reaction tank/oxygen-starved area is adjacent and be arranged in parallel; Described aerobic zone is arranged on detests/the outside of oxygen-starved area, describedly detesting/oxygen-starved area and aerobic zone in the middle of be provided with partition wall, the upper end of partition wall arranges mixed-liquor return channel, at mixed-liquor return channel by detesting/sidewall at oxygen-starved area place arranges mixed solution influx, at mixed solution influx, place arranges mixed-liquor return weir gate.
Above-mentioned can the biological reaction tank of switch mode, wherein, described to detest/oxygen-starved area is long strip shape, is provided with partition wall in it, by detesting/oxygen-starved area be divided into along long limit 8 lattice square detest/anoxic pond, eachly to detest/anoxic pond in vertical turbine agitator is set respectively; Adjacent to detest/anoxic pond between partition wall be provided with water hole, the water hole on adjacent partition wall is arranged by long limit, side and the long limit of opposite side respectively, enable to detest/oxygen-starved area in current flow with serpentine; Described to detest/anoxic pond can use respectively as anaerobic pond or anoxic pond.
The biological reaction tank of above-mentioned energy switch mode, wherein, described detests/oxygen-starved area, the mixed-liquor return channel between itself and aerobic zone detests/anoxic pond at the first lattice respectively, the second lattice detest/anoxic pond, the 3rd lattice detest/anoxic pond and the 5th lattice detest/and anoxic pond place arranges adjustable checkgate.
The biological reaction tank of above-mentioned energy switch mode, wherein, described to detest/the detesting of oxygen-starved area and another reaction tank/oxygen-starved area between be provided with partition wall, partition wall top is provided with 1 irrigation channel, and irrigation channel by the first lattice detest/one end of anoxic pond arranges inlet well, inlet well can be connected with the inlet channel be arranged on outside biological reaction tank; On the sidewall of described irrigation channel both sides, correspondence eachly to detest/anoxic pond place arranges prosopyle respectively, prosopyle place arranges water inlet weir gate; Described irrigation channel detests/anoxic pond at the first lattice, the second lattice detest/anoxic pond, the 5th lattice are detested/and anoxic pond and the 8th lattice detest/and anoxic pond place arranges adjustable checkgate respectively.
Above-mentioned can the biological reaction tank of switch mode, wherein, the first described lattice detest/anoxic pond in be provided with into mud hole, can be communicated with the sludge reflux well be arranged on outside biological reaction tank, described sludge reflux well is connected with the sludge return pipe from second pond; The first lattice detest/be provided with mud external reflux weir gate between anoxic pond and sludge reflux well.
Above-mentioned can the biological reaction tank of switch mode, wherein, described aerobic zone comprises two parallel channels, the length of described channel with detest/length of oxygen-starved area is identical, between two channels of aerobic zone, be provided with partition wall, partition wall top is provided with air piping lane.
The biological reaction tank of above-mentioned energy switch mode, wherein, described aerobic zone, its near detesting/one end of one article of channel of oxygen-starved area with detest/the 8th lattice of oxygen-starved area detest/anoxic pond i.e. last lattice detest/anoxic pond is connected, the other end of this channel is connected with one end of Article 2 channel, aerobic zone end is in the outer part provided with wet well, and wet well is connected with the rising pipe be arranged on outside biological reaction tank; In aerobic zone, end in the outer part is also provided with mixed solution and promotes pump sump, and mixed solution promotes pump sump and mixed-liquor return channel wall set out water hole on wall altogether, is communicated with mixed solution lifting pump sump and mixed-liquor return channel; Mixed solution promotes the internal reflux sludge pump being provided with low lift in pump sump.
Above-mentioned can the biological reaction tank of switch mode, wherein, described aerobic zone, comprises alternately section and Aerobic Pond, aerobic zone with detest/initial segment of a channel that oxygen-starved area is connected is set to and replaces section, replace in section and be provided with submersible agitator; The volume of described alternately section accounts for 1/7 of whole aerobic zone, and described alternately section is divided into some lattice by partition wall, and be preferably four lattice, adjacent partition wall is provided with water hole at one of the both sides by channel place respectively, and current also can be flowed with serpentine in alternately section.
Above-mentioned can the biological reaction tank of switch mode, wherein, the described aerobic zone section of replacing, itself and detest/the 8th lattice of oxygen-starved area detest/anoxic pond i.e. last lattice detest/anoxic pond between partition wall lower end be provided with water hole.
The biological reaction tank of energy switch mode provided by the invention has the following advantages:
Merge the multiple biological treatment developed based on anoxic denitrogenation and anaerobic phosphorus release principle, as traditional A/A/O technique, inversion A/A/O technique, branch water inlet inversion A/A/O technique and improvement A/A/O technique etc.Can require can adjust treatment process flexibly according to the change of the influent quality water yield and effluent quality, and pass through reasonable Arrangement and the optimization design of each functional zone, decrease floor space and the running cost of whole reaction tank, operational management is convenient.
Accompanying drawing explanation
Fig. 1 is traditional A/A/O process flow sheet.
Fig. 2 is inversion A/A/O process flow sheet.
Fig. 3 is the branch water inlet inversion A/A/O process flow sheet of the biological reaction tank of energy switch mode of the present invention.
Fig. 4 is the improvement A/A/O process flow sheet of the biological reaction tank of energy switch mode of the present invention.
Fig. 5 is the of the present invention changeable Mode A/A/O biological reaction tank plot plan of the biological reaction tank of energy switch mode of the present invention.
Fig. 6 is traditional A/A/O process operation mode plane layout drawing of the biological reaction tank of energy switch mode of the present invention.
Fig. 7 is the inversion A/A/O process operation mode plane layout drawing of the biological reaction tank of energy switch mode of the present invention.
Fig. 8 is the branch water inlet inversion A/A/O process operation mode plane layout drawing of the biological reaction tank of energy switch mode of the present invention.
Fig. 9 is the improvement A/A/O process operation mode plane layout drawing of the biological reaction tank of energy switch mode of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described.
As shown in Figure 5, the biological reaction tank of energy switch mode provided by the invention, that comprise two mirror-image arrangement, that structure is identical reaction tank; Each reaction tank all comprises aerobic zone, and by some lattice detest/anoxic pond form detest/oxygen-starved area; This aerobic zone comprises Aerobic Pond 10.
Detest/the detesting of oxygen-starved area and another reaction tank/oxygen-starved area is adjacent and be arranged in parallel.
Aerobic zone is arranged on detests/the outside of oxygen-starved area, detesting/oxygen-starved area and aerobic zone in the middle of be provided with partition wall, the upper end of partition wall arranges mixed-liquor return channel 14, at mixed-liquor return channel 14 by detesting/sidewall at oxygen-starved area place arranges mixed solution influx, at mixed solution influx, place arranges mixed-liquor return weir gate, as: the first lattice detest/anoxic pond mixed-liquor return weir gate 22, second lattice detest/anoxic pond mixed-liquor return weir gate the 23, the 3rd lattice detest/anoxic pond mixed-liquor return weir gate the 24, the 5th lattice detest/anoxic pond mixed-liquor return weir gate 25.
Detest/oxygen-starved area is long strip shape, partition wall is provided with in it, by detesting/oxygen-starved area be divided into along long limit 8 lattice square detest/anoxic pond, be respectively the first lattice detest/anoxic pond 1, second lattice detest/anoxic pond 2, the 3rd lattice detest/anoxic pond 3, the 4th lattice detest/anoxic pond 4, the 5th lattice detest/anoxic pond 5, the 6th lattice detest/anoxic pond 6, the 7th lattice detest/anoxic pond 7, the 8th lattice detest/anoxic pond 8.Eachly to detest/anoxic pond in vertical turbine agitator is set respectively; Adjacent to detest/anoxic pond between partition wall be provided with water hole, the water hole on adjacent partition wall is arranged by long limit, side and the long limit of opposite side respectively, enable to detest/oxygen-starved area in current flow with serpentine; Detest/anoxic pond can respectively as anaerobic pond or anoxic pond use.
Detest/mixed-liquor return channel 14 between oxygen-starved area and aerobic zone on detest/anoxic pond at the first lattice respectively, the second lattice detest/anoxic pond, the 3rd lattice are detested/anoxic pond and the 5th lattice detest/anoxic pond place arranges adjustable checkgate.
Detest/the detesting of oxygen-starved area and another reaction tank/oxygen-starved area between be provided with partition wall, partition wall top is provided with 1 irrigation channel 16, and irrigation channel 16 by the first lattice detest/one end of anoxic pond arranges inlet well, inlet well can be connected with the inlet channel be arranged on outside biological reaction tank; On the sidewall of irrigation channel 16 both sides, correspondence eachly to detest/anoxic pond place arranges prosopyle respectively, prosopyle place arranges water inlet weir gate, as: the first lattice detest/anoxic pond water inlet weir gate 17, second lattice detest/anoxic pond water inlet weir gate 18, the 5th lattice detest/anoxic pond water inlet weir gate 19, the 8th lattice detest/anoxic pond water inlet weir gate 20; Irrigation channel 16 detests/anoxic pond at the first lattice, the second lattice detest/anoxic pond, the 5th lattice are detested/and anoxic pond and the 8th lattice detest/and anoxic pond place arranges adjustable checkgate respectively.
First lattice detest/anoxic pond in be provided with into mud hole, can be communicated with the sludge reflux well 13 be arranged on outside biological reaction tank, sludge reflux well 13 is connected with the sludge return pipe from second pond; The first lattice detest/be provided with mud external reflux weir gate 21 between anoxic pond and sludge reflux well 13.
Aerobic zone comprises two parallel channels, the length of channel with detest/length of oxygen-starved area is identical, between two channels of aerobic zone, be provided with partition wall, partition wall top is provided with air piping lane 15.
Aerobic zone near detesting/one end of one article of channel of oxygen-starved area with detest/the 8th lattice of oxygen-starved area detest/anoxic pond i.e. last lattice detest/anoxic pond is connected, the other end of this channel is connected with one end of Article 2 channel, aerobic zone end is in the outer part provided with wet well 12, and wet well 12 is connected with the rising pipe be arranged on outside biological reaction tank; In aerobic zone, end in the outer part is also provided with mixed solution and promotes pump sump 11, and mixed solution promotes pump sump 11 and mixed-liquor return channel 14 wall set out water hole on wall altogether, is communicated with mixed solution and promotes pump sump 11 and mixed-liquor return channel 14; Mixed solution promotes the internal reflux sludge pump being provided with low lift in pump sump 11.
Aerobic zone comprises alternately section 9 and Aerobic Pond 10, aerobic zone with detest/initial segment of a channel that oxygen-starved area is connected is set to and replaces section 9, replace in section 9 and be provided with submersible agitator; Alternately the volume of section 9 accounts for 1/7 of whole aerobic zone, and alternately section 9 is divided into some lattice by partition wall, is preferably four lattice, and adjacent partition wall is provided with water hole at one of the both sides by channel place respectively, and current also can be flowed with serpentine in alternately section 9.
8th lattice of the aerobic zone section of replacing 9 and detesting/oxygen-starved area detest/anoxic pond i.e. last lattice detest/anoxic pond between partition wall lower end be provided with water hole.
Can do and further describe by switch mode A/A/O biological reaction tank provided by the invention below in conjunction with embodiment.
Embodiment 1: traditional A/A/O process operation mode.
As shown in Figure 6, the first lattice detest/anoxic pond water inlet weir gate 17 opens, and part water enters the first lattice and detests/anoxic pond 1, now the first lattice detest/anoxic pond 1 uses as anaerobic pond; Second lattice detest/and anoxic pond water inlet weir gate 18 opens, and part water enters the second lattice to be detested/anoxic pond 2, second to the 8th lattice detest/and anoxic pond uses as anoxic pond; 5th lattice detest/and anoxic pond water inlet weir gate 19 and the 8th lattice detest/and anoxic pond water inlet weir gate 20 needs to open, to anoxic pond supplementary carbon source according to adjustment; Second lattice anoxic pond mixed-liquor return weir gate 23 is opened, and mixed-liquor return to the second lattice detest/anoxic pond 2, and mud external reflux weir gate 21 is opened, and external reflux sludge reflux to the first lattice detest/anoxic pond 1.Irrigation channel 16 flooding quantity is Q.Whole process flow sheet as shown in Figure 1.
Embodiment 2: inversion A/A/O process operation mode.
As shown in Figure 7, the first lattice detest/anoxic pond water inlet weir gate 17 opens, and sewage enters the first lattice and detests/anoxic pond 1, now the first lattice to the 7th lattice detest/anoxic pond uses as anoxic pond; 8th lattice detest/and anoxic pond 8 uses as anaerobic pond; All mixed-liquor return weir gates are closed, and cancel internal reflux; Mud external reflux weir gate 21 is opened, and external reflux sludge reflux is to anoxic pond 1.Irrigation channel 16 flooding quantity is Q.Whole process flow sheet as shown in Figure 2.
Embodiment 3: branch water inlet inversion A/A/O process operation mode.
As shown in Figure 8, the first lattice detest/anoxic pond water inlet weir gate 17 opens, and part of contaminated water enters the first lattice and detests/anoxic pond 1, now the first lattice to the 7th lattice detest/anoxic pond uses as anoxic pond; 8th lattice detest/anoxic pond water inlet weir gate 20 opens, part of contaminated water enters the 8th lattice and detests/anoxic pond 8, now the 8th lattice detest/anoxic pond 8 uses as anaerobic pond; 2nd lattice detest/and anoxic pond water inlet weir gate 18 and the 5th lattice detest/and anoxic pond water inlet weir gate 19 needs to open, to anoxic pond supplementary carbon source according to adjustment; Mud external reflux weir gate 21 is opened, and external reflux sludge reflux to the first lattice detest/anoxic pond 1; First lattice detest/and anoxic pond mixed-liquor return weir gate 22 opens, and mixed-liquor return to the first lattice detest/anoxic pond 1.Irrigation channel 16 flooding quantity is Q.Whole process flow sheet as shown in Figure 3.
Embodiment 4: improvement A/A/O process operation mode.
As shown in Figure 9, the first lattice detest/anoxic pond water inlet weir gate 17 opens, and part of contaminated water enters and enters the first lattice and detest/anoxic pond 1, now the first lattice detest/anoxic pond 1 uses as pre-anoxic pond; Second lattice detest/anoxic pond water inlet weir gate 18 opens, part of contaminated water enters the second lattice and detests/anoxic pond 2, now the second lattice detest/anoxic pond 2 uses as anaerobic pond; 5th lattice detest/and anoxic pond water inlet weir gate 19 and the 8th lattice detest/and anoxic pond water inlet weir gate 20 needs to open, to anoxic pond supplementary carbon source according to adjustment; 3rd lattice detest/and anoxic pond mixed-liquor return weir gate 24 opens, and mixed-liquor return detests/anoxic pond 3 to the 3rd lattice; Mud external reflux weir gate 21 is opened, and external reflux sludge reflux to the first lattice detest/anoxic pond 1.Irrigation channel 16 flooding quantity is Q.Whole process flow sheet as shown in Figure 4.
Along with city and industrial development, sewage treatment plant inflow water quality and the water yield constantly change, sanitary sewage and trade effluent ratio constantly change, also different to the requirement of denitrogenation processing, the single operational mode of tradition is difficult to realize pollutent index qualified discharge, and the biological reaction tank of energy switch mode provided by the invention, can select different operational modes according to influent quality and processing requirements, operational management is flexible, adaptable.
Although content of the present invention has done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to limitation of the present invention.After those skilled in the art have read foregoing, for multiple amendment of the present invention and substitute will be all apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. a biological reaction tank for energy switch mode, is characterized in that, this biological reaction tank comprises the identical reaction tank of the structure of two mirror-image arrangement; Each reaction tank all comprises aerobic zone, and by some lattice detest/anoxic pond form detest/oxygen-starved area; Described aerobic zone comprises Aerobic Pond (10).
2. as claimed in claim 1 can the biological reaction tank of switch mode, it is characterized in that, described reaction tank, it detests/and the detesting of oxygen-starved area and another reaction tank/oxygen-starved area is adjacent and be arranged in parallel; Described aerobic zone is arranged on detests/the outside of oxygen-starved area, describedly detesting/oxygen-starved area and aerobic zone in the middle of be provided with partition wall, the upper end of partition wall arranges mixed-liquor return channel (14), at mixed-liquor return channel (14) by detesting/sidewall at oxygen-starved area place arranges mixed solution influx, at mixed solution influx, place arranges mixed-liquor return weir gate.
3. the biological reaction tank of energy switch mode as claimed in claim 2, it is characterized in that, described to detest/oxygen-starved area is long strip shape, is provided with partition wall in it, by detesting/oxygen-starved area be divided into along long limit 8 lattice square detest/anoxic pond, eachly to detest/anoxic pond in vertical turbine agitator is set respectively; Adjacent to detest/anoxic pond between partition wall be provided with water hole, the water hole on adjacent partition wall is arranged by long limit, side and the long limit of opposite side respectively, enable to detest/oxygen-starved area in current flow with serpentine; Described to detest/anoxic pond can use respectively as anaerobic pond or anoxic pond.
4. the biological reaction tank of energy switch mode as claimed in claim 3, it is characterized in that, describedly detest/oxygen-starved area, the mixed-liquor return channel (14) between itself and aerobic zone detests/anoxic pond (1) at the first lattice respectively, the second lattice detest/anoxic pond (2), the 3rd lattice detest/anoxic pond (3) and the 5th lattice are detested/anoxic pond (5) place and arranged adjustable checkgate.
5. the biological reaction tank of energy switch mode as claimed in claim 4, it is characterized in that, described to detest/the detesting of oxygen-starved area and another reaction tank/oxygen-starved area between be provided with partition wall, partition wall top is provided with 1 irrigation channel (16), and inlet well is set in one end that irrigation channel (16) detests/anoxic pond (1) by the first lattice, inlet well can be connected with the inlet channel be arranged on outside biological reaction tank; On the sidewall of described irrigation channel (16) both sides, correspondence eachly to detest/anoxic pond place arranges prosopyle respectively, prosopyle place arranges water inlet weir gate; Described irrigation channel (16) detests/anoxic pond (1) at the first lattice, the second lattice detest/anoxic pond (2), the 5th lattice detest/anoxic pond (5) and the 8th lattice are detested/anoxic pond (8) place and arranged adjustable checkgate respectively.
6. the biological reaction tank of energy switch mode as claimed in claim 5, it is characterized in that, the first described lattice are detested in/anoxic pond (1) and are provided with into mud hole, can be communicated with the sludge reflux well (13) being arranged on biological reaction tank arranged outside, described sludge reflux well (13) is connected with the sludge return pipe from second pond; Detest between/anoxic pond (1) and sludge reflux well (13) at the first lattice and be provided with mud external reflux weir gate (21).
7. the biological reaction tank of energy switch mode as claimed in claim 2, it is characterized in that, described aerobic zone comprises two parallel channels, the length of described channel with detest/length of oxygen-starved area is identical, between two channels of aerobic zone, be provided with partition wall, partition wall top is provided with air piping lane (15).
8. the biological reaction tank of energy switch mode as claimed in claim 7, it is characterized in that, described aerobic zone, its near detesting/one end of one article of channel of oxygen-starved area with detest/the 8th lattice of oxygen-starved area detest/anoxic pond (8) and are connected, the other end of this channel is connected with one end of Article 2 channel, aerobic zone end is in the outer part provided with wet well (12), and wet well (12) is connected with the rising pipe be arranged on outside biological reaction tank; In aerobic zone, end in the outer part is also provided with mixed solution and promotes pump sump (11), mixed solution promotes pump sump (11) and is total to wall with mixed-liquor return channel (14) and sets out water hole on wall, is communicated with mixed solution and promotes pump sump (11) and mixed-liquor return channel (14); Mixed solution promotes in pump sump (11) and is provided with internal reflux sludge pump.
9. the biological reaction tank of energy switch mode as claimed in claim 8, it is characterized in that, described aerobic zone, comprise alternately section (9) and Aerobic Pond (10), aerobic zone with detest/initial segment of a channel that oxygen-starved area is connected is set to alternately section (9), is alternately provided with submersible agitator in section (9); The volume of described alternately section (9) accounts for 1/7 of whole aerobic zone, and described alternately section (9) is divided into some lattice by partition wall.
10. as claimed in claim 9 can the biological reaction tank of switch mode, it is characterized in that, the described aerobic zone section of replacing (9), itself and detest/partition wall lower end that the 8th lattice of oxygen-starved area are detested between/anoxic pond (8) is provided with water hole.
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| CN108862589A (en) * | 2018-07-25 | 2018-11-23 | 苏州市排水有限公司 | A kind of multi-mode integrated effluent disposal system |
| CN109467189A (en) * | 2018-12-20 | 2019-03-15 | 北京博汇特环保科技股份有限公司 | Biochemical reactor |
| CN109809566A (en) * | 2019-04-09 | 2019-05-28 | 沈阳环境科学研究院 | A kind of AAO biological reaction pool of branch water inlet |
| CN110255813A (en) * | 2019-06-06 | 2019-09-20 | 广州市净水有限公司 | The sewage-treatment plant of multi-functional multi-mode can be switched |
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