CN109824147A - Composite integrated sewage disposal device - Google Patents
Composite integrated sewage disposal device Download PDFInfo
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- CN109824147A CN109824147A CN201910239070.5A CN201910239070A CN109824147A CN 109824147 A CN109824147 A CN 109824147A CN 201910239070 A CN201910239070 A CN 201910239070A CN 109824147 A CN109824147 A CN 109824147A
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- sludge
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- 239000010865 sewage Substances 0.000 title claims abstract description 61
- 239000002131 composite material Substances 0.000 title claims abstract description 20
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 82
- 239000011574 phosphorus Substances 0.000 claims abstract description 82
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 79
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 79
- 230000007704 transition Effects 0.000 claims abstract description 31
- 238000001556 precipitation Methods 0.000 claims abstract description 24
- 238000005276 aerator Methods 0.000 claims abstract description 6
- 239000010802 sludge Substances 0.000 claims description 84
- 238000010992 reflux Methods 0.000 claims description 74
- 238000005273 aeration Methods 0.000 claims description 38
- 239000007788 liquid Substances 0.000 claims description 34
- 238000012544 monitoring process Methods 0.000 claims description 25
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 13
- 239000000945 filler Substances 0.000 claims description 13
- 239000006228 supernatant Substances 0.000 claims description 13
- 230000008676 import Effects 0.000 claims description 11
- 238000004062 sedimentation Methods 0.000 claims description 11
- 229910001220 stainless steel Inorganic materials 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 10
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 5
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 5
- 238000013019 agitation Methods 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 5
- 239000004571 lime Substances 0.000 claims description 5
- 229910052760 oxygen Inorganic materials 0.000 claims description 5
- 239000001301 oxygen Substances 0.000 claims description 5
- 238000007667 floating Methods 0.000 claims description 3
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 claims description 3
- 230000001376 precipitating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 29
- 230000008569 process Effects 0.000 abstract description 9
- 238000004065 wastewater treatment Methods 0.000 abstract description 5
- 201000010099 disease Diseases 0.000 abstract description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract description 2
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000003750 conditioning effect Effects 0.000 description 6
- 238000007689 inspection Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical compound [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 description 3
- JXBAVRIYDKLCOE-UHFFFAOYSA-N [C].[P] Chemical compound [C].[P] JXBAVRIYDKLCOE-UHFFFAOYSA-N 0.000 description 3
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000004567 concrete Substances 0.000 description 3
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- 241000894006 Bacteria Species 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
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- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
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- AHEWZZJEDQVLOP-UHFFFAOYSA-N monobromobimane Chemical compound BrCC1=C(C)C(=O)N2N1C(C)=C(C)C2=O AHEWZZJEDQVLOP-UHFFFAOYSA-N 0.000 description 1
- 230000001546 nitrifying effect Effects 0.000 description 1
- 208000014451 palmoplantar keratoderma and congenital alopecia 2 Diseases 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
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Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The present invention relates to composite integrated sewage disposal devices, comprising: anaerobic pond, anoxic pond one (pre- dephosphorization pond), transition pond (pre- dephosphorization pond), anoxic pond two, aerobic tank, secondary settling tank (phosphorous anaerobic precipitation pond), equipment room, aerator, pipeline system, automatic control electrical system, instrument on-line system, phosphorus chemistry settling apparatus etc.；The applicability of present device is extremely strong, is particularly suitable for life in the countryside stain disease and administers use；Relative to traditional waste water treatment process, this equipment is in the case where guaranteeing effluent quality principle up to standard, with can be according to the difference of daily different moments influent quality, the characteristics of automatically switching treatment process (IUCT/AAO) adapted to, whole equipment have the advantages that resistance to overload shock, unattended property, maintenance simplicity, stable water outlet, integrated level is high, capital cost is few, operating cost is low.
Description
Technical field
The invention belongs to field of sewage treatment equipment, in particular to composite integrated sewage disposal device.
Background technique
With industrialization, modern agriculture and the development and raising of living standard per capita, huge material wealth is being created
While also bring the serious pollution of water environment.
Currently, the policy for promoting villages and small towns waste water control is issued in each province successively, the main battle ground of waste water control is turned by city
To rural area, countryside sewage treating becomes the emphasis of water pollution control；The difficult point of rural sewage treatment mainly has that water is small, water pollution
Concentration is low, sewage variation coefficient is big, multi-point and wide-ranging the characteristics of relatively dispersing；How sewage treatment is built by the way of adaptation to local conditions
It stands, makes country sewage qualified discharge, realize that unattended, regular visit mode administers sewage, it has also become is current to be badly in need of solving
The problem of.
The technique of rural sewage treatment has very much, such as Ka Lusaier oxidation ditch, CASS, SBR, AAO biochemical treatment, contact
Oxidation, MBR technique etc., but these techniques towards direction be city domestic sewage, not domestic sewage in rural areas；Relative to city
For the pollution level and pollution concentration of city's sewage, when domestic sewage in rural areas pollution concentration is low when high, and (water inlet BOD is low, ammonia nitrogen, total
Nitrogen and total phosphorus are high), stain disease coefficient of variation is big, is administered using above-mentioned traditional handicraft, and low when handling high when load, water outlet is not
It can stably reaching standard discharge.
To discharge rural domestic sewage treatment stably reaching standard and unattended, in recent years, domestic some enviromental protection enterprises exist
On the basis of original technique, the technique administered suitable for rural area stain disease is developed, such as: closing continuous A in Yunnan30+MBBR (shellfish
This), the pioneering MBR (membrane bioreactor) in the Smart-pfbp (multi stage decompression) of Beijing Sang De, Beijing, the technique of each family
Comparison is as shown in Table 1.
Table one:
In conclusion in the technique of countryside sewage treating domestic at present, the problem of being primarily present, is: because of country sewage
Carbon-nitrogen ratio, carbon-phosphorus ratio are low, and water fluctuation is big, and from biochemical angle, total nitrogen and total phosphorus are wanted to reach level-one A standard, more
It is difficult；Need additional dosing auxiliary, it is desirable that operations staff need to have higher professional and operational.
Summary of the invention
The technical problem to be solved in the present invention is that filling up the deficiencies in the prior art, providing one kind can composite integratedization dirt
Water treatment facilities, adapt to domestic sewage in rural areas the characteristics of, may be implemented stably reaching standard discharge and it is unattended.
For this purpose, concrete scheme of the present invention is as follows:
Composite integrated sewage disposal device, including pond body are successively divided into anaerobic pond, anoxic pond one, mistake in pond body
Cross pond, anoxic pond two, aerobic tank and secondary settling tank；
The bottom of the anaerobic pond is provided with water distributor and submersible agitator, and one end of anaerobic pond is connected with into water and is responsible for,
The water inlet supervisor connect with water distributor, and the other end of anaerobic pond is connect by outlet pipe one with anoxic pond one；
The bottom of the anoxic pond one is provided with aeration tube one, and anoxic pond one is connect by outlet pipe two with transition pond；
The bottom in the transition pond is provided with aeration tube two and sludge reflux pump two, and the sludge reflux pump two passes through sludge
Return pipe two and water inlet supervisor's connection, transition pond is connect by outlet pipe three with anoxic pond two；
The bottom of the anoxic pond two is provided with aeration tube three, and anoxic pond two is connect by outlet pipe four with aerobic tank；
The bottom of the aerobic tank is provided with aeration tube four and nitrification liquid reflux pump, is provided with filler in aerobic tank；It is described
The outlet of nitrification liquid reflux pump connects two-way pipeline, is connect all the way by nitrification liquid reflux pipe valve with anoxic pond two, another way is logical
Excessive connecting leg valve is connect with anoxic pond one；Aerobic tank one end adjacent with secondary settling tank is provided with effluent weir one, the effluent weir one
It is connect by outlet pipe five with secondary settling tank；
The bottom of pond of secondary settling tank structure funnel-shaped simultaneously protrudes into the enters mud pipe with valve, and the enters mud pipe is connected with dirt
The outlet of mud reflux pump one, the sludge reflux pump one connects three Lu Guandao, discharges all the way for the excess sludge with mud valve
Pipe is connect by mud return line valve with anoxic pond one all the way, and another way passes through pipe valve in parallel and connect with mud return line two；Two
Heavy pond is provided with effluent weir two far from one end of aerobic tank, and the effluent weir two is connected with water outlet main pipe；Under the secondary settling tank
Side's linking has phosphorus anaerobic precipitation pond, and the body side in phosphorus anaerobic precipitation pond is provided with supernatant outlet and effluent import, phosphorus
The bottom of pond in anaerobic precipitation pond is connected with phosphorus sludge reflux pump by sludge pipe, and the outlet of the phosphorus sludge reflux pump passes through band respectively
The inner circulation of sludge pipe of valve and poor phosphorus sludge pipe with valve are connect with effluent import and aerobic tank；The effluent import is also logical
The effluent pipeline with effluent pipe valve is crossed to connect with mud return line two；The supernatant outlet is connected with phosphorus chemistry settling apparatus.
Further, the downside of the anaerobic pond and anoxic pond two is provided with drain.
It further, further include equipment room, the equipment room becomes one with pond body, and is located at the adjacent side of secondary settling tank；Institute
It states phosphorus sludge reflux pump and sludge reflux pump one is mounted in equipment room, electric autocontrol cabinet and exposure are also equipped in equipment room
Gas equipment.
Further, the aerator includes an at least rotary blower, and the rotary blower connects aeration tube four,
Rotary blower is aerated pipe valve by anoxic pond two and connects aeration tube three, and rotary blower is aerated pipe valve connection by anoxic pond one
Aeration tube one and aeration tube two.
Further, the filler is light-duty floating stuffing, and the top of the aerobic tank is fixed with for preventing filler overflow
Stainless steel mesh net into effluent weir one, the nitrification liquid reflux pump are covered with stainless steel mesh net cage.
Further, the secondary settling tank is vertical sedimentation basin, inside the guide shell at the outlet pipe five and secondary settling tank center
Connection.
Further, BOD in-line analyzer, ammonia nitrogen in-line analyzer, total nitrogen in-line analyzer are set on the water inlet supervisor
With total phosphorus in-line analyzer；ORP on-line monitoring instrument and MLSS on-line monitoring instrument is arranged in anaerobic pond；Transition pond setting ORP exists
Line measuring instrument and MLSS on-line monitoring instrument；ORP on-line monitoring instrument and MLSS on-line monitoring instrument is arranged in anoxic pond two；It is good
ORP on-line monitoring instrument, DO on-line monitoring instrument and MLSS on-line monitoring instrument is arranged in oxygen pond；BOD is arranged in water outlet main pipe to exist
Line analysis instrument, ammonia nitrogen in-line analyzer, total nitrogen in-line analyzer and total phosphorus in-line analyzer；Phosphorus anaerobic precipitation pond setting total phosphorus exists
Line analysis instrument.
Further, the phosphorus chemistry settling apparatus uses full-buried type, and phosphorus chemistry settling apparatus includes sequentially connected stone
Grey stirring pool, changeover portion stirring pool and vertical sedimentation basin.
Further, described to divide connecting leg valve, nitrification liquid reflux pipe valve, mud valve, sludge reflux pipe valve, pipe valve, effluent in parallel
Pipe valve, anoxic pond two are aerated pipe valve and anoxic pond one is aerated pipe valve and is all made of motor-operated control valve.
Further, duct type ultraviolet sterilizer is installed in the water outlet main pipe.
The beneficial effects of the present invention are:
This equipment is can be set according to the composite integrated of different sewage water quality hand-off process technique (IUCT or AAO)
It is standby.
IUCT (full name in English: Improvement University of Cape Town) technique is to be based on opening in South Africa
On the basis of a kind of denitrification dephosphorization technique that Pu Dun university proposes, in water inlet carbon-nitrogen ratio (C:N < 4), carbon-phosphorus ratio (C:P < 20)
In the case of, optimize a kind of technique of denitrogenation dephosphorizing, or be modified form UCT-IUCT.
This equipment can satisfy the demand of IUCT technique (plus side stream technique), while when water inlet carbon-nitrogen ratio variation (C:N >=4)
With carbon-phosphorus ratio change (C:P >=20) in the case where, can by the control of respective valves, switch to AA0 technique (anaerobic/anoxic/
It is aerobic) it uses.
By the combination of process above, composite integrated equipment applicability of the invention is extremely strong, is particularly suitable for rural area
Life stain disease, which is administered, to be used；Relative to traditional waste water treatment process, this equipment is in the case where guaranteeing effluent quality principle up to standard
(effluent quality standard are as follows: GB18918-2002 " urban wastewater treatment firm pollutant emission standard " level-one emission standard A), has
The characteristics for the treatment of process (IUCT/AAO) of adaptation according to the difference of daily different moments influent quality, can be automatically switched, entirely
Equipment has resistance to overload shock, unattended property, safeguards that simplicity, stable water outlet, integrated level are high, capital cost is few, fortune
Row advantage at low cost.
Detailed description of the invention
Fig. 1 is floor plan of the invention；
Fig. 2 is the sectional view of each inlet and outlet pipe lines and aerated conduit in the present invention；
Fig. 3 is the structural schematic diagram of water distributor；
Fig. 4 is the floor plan of each aerated conduit in the present invention；
Fig. 5 is pipeline layort of the invention；
Fig. 6 is the connection sectional view of secondary settling tank, phosphorus anaerobic precipitation pond and phosphorus sludge reflux pump；
Fig. 7 is the sectional view of phosphorus chemistry settling apparatus；
Fig. 8 is the connection sectional view of secondary settling tank, phosphorus anaerobic precipitation pond and sludge reflux pump one；
Fig. 9 is the connecting line sectional view for nitrifying reflux pump；
Figure 10 is the top view that anti-filler is lost device in aerobic tank；
Figure 11 is the sectional view that anti-filler is lost device in aerobic tank；
Wherein: 1- anaerobic pond, 2- anoxic pond one, 3- transition pond, 4- anoxic pond two, 5- aerobic tank, 6- secondary settling tank, 7- phosphorus are detested
Oxygen precipitation pond, 8- equipment room, 9- phosphorus chemistry settling apparatus, 10- phosphorus sludge reflux pump, 11- sludge reflux pump one, 12- sludge return
Stream pump two, 13- electric autocontrol cabinet, the rotary blower of 14-, 15- access hole or inspection socket, 16- water inlet supervisor, 17- water outlet main pipe,
18- water distributor, 19- submersible agitator, 20- outlet pipe one, 21- drain, 22- aeration tube one, 23- outlet pipe two, 24- aeration
Pipe two, 25- mud return line two, 26- outlet pipe three, 27- aeration tube three, 28- outlet pipe four, 29- aeration tube four, 30- nitrification
The closed stainless steel mesh net of liquid reflux pump, 31-, 31a- stainless steel mesh net cage, 32- nitrification liquid return pipe, 33- nitrification liquid return pipe
Valve, 34- divide connecting leg, 35- to divide connecting leg valve, 36- effluent weir one, 37- outlet pipe five, 38- guide shell, 39- enters mud pipe, 40- spoil disposal
Valve, 41- excess sludge drain valve, 42- mud return line one, 43- sludge reflux pipe valve, 44- parallel transistor, 45- parallel connection pipe valve,
46- effluent weir two, 47- supernatant outlet, the import of 48- effluent, 49- sludge pipe, 50- inner circulation of sludge pipe, the poor phosphorus sludge of 51-
Pipe, 52- effluent pipe valve, 53- lateral flow tubes, 54- duct type ultraviolet sterilizer, 55- lime under agitation pond, 56- changeover portion stirring pool,
57- vertical sedimentation basin, 58- mud discharging mouth, 59- clear liquid mouth, 60- supervisor, 61- anoxic pond two is aerated pipe valve, 62- anoxic pond one exposes
Tracheae valve, 63- water hole.
Specific embodiment
The present invention is described in further details combined with specific embodiments below.
Referring to figs. 1 to composite integrated sewage disposal device shown in Fig. 10, including pond body, successively it is divided into pond body
Anaerobic pond 1, anoxic pond 1, transition pond 3, anoxic pond 24, aerobic tank 5 and secondary settling tank 6；It is connected independent phosphorus below secondary settling tank 6
Anaerobic precipitation pond 7, the bottom of pond of secondary settling tank 6 are the Chi Ding in phosphorus anaerobic precipitation pond 7.
Equipment room 8 is arranged in the adjacent side of secondary settling tank 6, and equipment room 8 and pond body integrated box body design；Corresponding each pond above cabinet
Corresponding access hole or inspection socket 15 are set, for the ease of the real-time monitoring to each pool unit and equipment entirety Inlet and outlet water, so as to
It is online in 1 pond of anaerobic pond top inspection socket setting ORP on-line monitoring instrument, MLSS in adjusting device treatment process, the present embodiment
Measuring instrument；It pushes up inspection socket and ORP on-line monitoring instrument, MLSS on-line monitoring instrument is set in transition pond 3；24 Chi Dingjian of anoxic pond
Look into mouth setting ORP on-line monitoring instrument, MLSS on-line monitoring instrument；It pushes up inspection socket and ORP on-line computing model is set in 5 pond of aerobic tank
Table, DO on-line monitoring instrument, MLSS on-line monitoring instrument；Total phosphorus (TP) in-line analyzer is arranged in 7 side of phosphorus anaerobic precipitation pond.
Above-mentioned each instrument plays the role of each pond body unit of monitoring and equipment Inlet and outlet water condition, to cooperate relevant device and valve
Adjusting, belong to conventional instrument known in those skilled in the art (in Fig. 1 be only mark example), concrete specification and installation
Performance field technique personnel can know that the present embodiment is then no longer described in detail from the prior art；Such as when aerobic tank end is molten
When solving oxygen content higher than 2mg/L, it can be feedbacked data in electric autocontrol cabinet by the DO on-line monitoring instrument of aerobic tank
PLC reduces frequency by the frequency converter of rotary blower corresponding in electric autocontrol cabinet, reduces the revolving speed of rotary blower, thus
Guarantee that aerobic tank is only aerated.
The water inlet of integral device is responsible in 16 and water outlet main pipe 17 and is also respectively arranged BOD in-line analyzer, ammonia nitrogen divides online
Analyzer, total nitrogen (TN) in-line analyzer, total phosphorus (TP) in-line analyzer.
Phosphorus sludge reflux pump 10, sludge reflux pump 11, electric autocontrol cabinet 13 and aerator are installed in equipment room 7.
Electric autocontrol cabinet 13 can refer to prior art design, be internally integrated the frequency converter of each device, data display equipment and each
Class electric components, to receive feedback data, each device of control and the electrically operated valve of correlate meter.
Aerator in the present embodiment uses two rotary blowers 14 in parallel, when a normal use, Ling Yitai
It is spare.
The bottom of the anaerobic pond 1 is provided with water distributor 18 and submersible agitator 19, and one end of anaerobic pond is connected with into water
Supervisor 16, the water inlet supervisor 16 connect with the water distributor 18 (as shown in Figure 3) of tree-shaped distribution, and the other end of anaerobic pond 1 passes through
Outlet pipe 1 is connect with anoxic pond 1；The downside of anaerobic pond 1 is provided with drain 21.
The bottom of the anoxic pond 1 is provided with aeration tube 1, and anoxic pond 1 passes through outlet pipe 2 23 and transition pond 3
Connection.
The bottom in the transition pond 3 is provided with aeration tube 2 24 and sludge reflux pump 2 12, the sludge reflux pump 2 12
It is connect by mud return line 2 25 with water inlet supervisor 16, transition pond 3 is connect by outlet pipe 3 26 with anoxic pond 24.
The bottom of the anoxic pond 24 is provided with aeration tube 3 27, and anoxic pond 24 passes through outlet pipe 4 28 and aerobic tank 5
Connection；The downside of anoxic pond 24 is again provided with drain 21.
The bottom of the aerobic tank 5 is provided with aeration tube 4 29 and nitrification liquid reflux pump 30, in the aerobic tank 5 of the present embodiment
Filled with light-duty floating stuffing (density can refer to the prior art, do not embody in figure close to water), filler is lost in order to prevent,
It is provided with anti-filler in aerobic tank 5 and is lost device, closed stainless steel mesh net 31 specially is set on 5 top of aerobic tank, it is stainless
Steel mesh net 31 is weldingly fixed in pond body by stainless steel angle, is located at one 36 lower end of effluent weir, prevents filler overflow to water outlet
In weir 1, cause to be lost.
Similarly in 30 external welding of nitrification liquid reflux pump, one stainless steel mesh net cage 31a, prevent filler from being flowed back by nitrification liquid
Pump 30 is delivered to pond body front end.
The outlet of the nitrification liquid reflux pump 30 connects two-way pipeline, is all the way nitrification liquid return pipe 32, passes through nitrification liquid
Reflux pipe valve 33 extends to 24 lower part of anoxic pond, and another way is to connect to divide connecting leg 34 on nitrification liquid return pipe 32, by dividing company
Pipe valve 35 extends to one 2 lower part of anoxic pond.
The one end adjacent with secondary settling tank 6 of aerobic tank 5 is provided with effluent weir 1, and one 36 bottom of effluent weir passes through water outlet
Pipe 5 37 is connect with secondary settling tank 6.
The secondary settling tank 6 is designed referring to existing vertical sedimentation basin, bottom of pond structure funnel-shaped, and pond center is bottom belt
The guide shell 38 of reflecting plate, outlet pipe 5 37 are directly connected to inside guide shell 38.
The enters mud pipe 39 with valve is protruded into along the bottom ramp of secondary settling tank 6, the enters mud pipe 39 connects sludge reflux pump
One 11, it is all the way the excess sludge delivery pipe 41 with mud valve 40 that the outlet of sludge reflux pump 1, which connects three Lu Guandao,；One
Road is mud return line 1, and mud return line 1 extends to one 3 lower part of anoxic pond by sludge reflux pipe valve 43；Another way
To connect the parallel transistor 44 on mud return line 1, it is connect by pipe valve 45 in parallel with mud return line 2 25.
Secondary settling tank 6 is provided with effluent weir 2 46 far from one end of aerobic tank 5, and the bottom of the effluent weir 2 46 connects water outlet
Supervisor 17；It can be with pipe laying formula ultraviolet sterilizer 54 in water outlet main pipe 17.
Positioned at the phosphorus anaerobic precipitation pond 7 of 6 lower section of secondary settling tank, body side is provided with supernatant outlet 47 and effluent import
48, the bottom of pond in phosphorus anaerobic precipitation pond 7 connects phosphorus sludge reflux pump 10, the outlet of the phosphorus sludge reflux pump 10 by sludge pipe 49
The poor phosphorus sludge pipe 51 by the inner circulation of sludge pipe 50 with valve and with valve is connect with effluent import 48 and aerobic tank 5 respectively
(equally extending to 5 lower part of aerobic tank, can refer to the nitrification liquid return pipe 32 of figure nitrification reflux pump).
The effluent import 48 is also connect by the effluent pipeline 53 with effluent pipe valve 52 with mud return line 2 25.
The supernatant outlet 47 is connected with phosphorus chemistry settling apparatus 9；Phosphorus chemistry settling apparatus 9 uses full-buried type, phosphorus
Chemical precipitation equipment 9 includes sequentially connected lime under agitation pond 55, changeover portion stirring pool 56 and vertical sedimentation basin 57.
Lime under agitation pond 55 and changeover portion stirring pool 56 are set side by side, and supernatant outlet 47 accesses lime under agitation pond 55, then
Water is crossed to changeover portion stirring pool 56, subsequently into the further mud-water separation of vertical sedimentation basin 57, sludge from bottom water hole 63
It is discharged by bottom mud discharging mouth 58, water is discharged by clear liquid mouth 59.
Each aeration tube connection type in the present embodiment are as follows: two rotary blowers 14 are responsible for 60 for connection one jointly, master
Pipe 60 is directly connected to ring-shaped distributed aeration tube 4 29 in aerobic tank by pipeline, and supervisor 60 is aerated by anoxic pond two simultaneously
The aeration tube 3 27 in frame distribution in pipe valve 61 and piping connection anoxic pond two, and pass through one aeration tube of pipeline and anoxic pond
Valve 62 connects the aeration tube 1 and aeration tube 2 24 in anoxic pond one and transition pond in tree-shaped distribution.
Above-mentioned point of connecting leg valve 35 in the present embodiment, nitrification liquid reflux pipe valve 33, mud valve 40, sludge reflux pipe valve 43,
Pipe valve 45, effluent pipe valve 52, the aeration pipe valve 61 of anoxic pond two and anoxic pond one in parallel are aerated pipe valve 62 and are all made of motor-operated control valve.
There are two types of operational modes for present invention tool, specific as follows:
One: IUCT+ effluent technique of operational mode
Service condition: work as BOD5: TN < 4 or BOD5: the state of TP < 20.
Process flow:
Sewage is after collecting pipe network and collecting, and after filtering big partial size rubbish into grid canal, gravity flow enters conditioning tank, and sewage exists
Homogeneous average mixes in conditioning tank, and mouth is responsible in the water inlet of sewage lifting to this equipment by the submersible sewage pump being arranged in conditioning tank
(project amount that this section is described is not in this integration apparatus device scope).
On-line analysis instrument through intaking obtains: BOD5: TN < 4 or BOD5: when TP < 20, equipment starts this technique (IUCT
+ effluent technique).
Sewage enters in anaerobic pond through water inlet supervisor (water distributor), reacts with the microorganism in anaerobic pond, dirty at this time
Water releases phosphorus in anaerobic pond, after by outlet pipe one (water inlet pipe of anoxic pond one) flow into (the pre- dephosphorization of anoxic pond one from top to bottom
Pond) in；The equipment that this unit is opened at this time has: submersible agitator.
Sewage is flowed into from top to bottom in anoxic pond one, flows into transition from top to bottom by outlet pipe two (transition pond water inlet pipe)
Chi Zhong；The equipment and valve that this unit is opened at this time have: one valve of mud return line is opened, effluent pipe valve is opened, anoxic pond one exposes
Tracheae valve intermittence is opened.
Sewage is flowed into from top to bottom in transition pond, flows into anoxic from top to bottom by outlet pipe three (two water inlet pipe of anoxic pond)
Chi Erzhong；The equipment and valve that this unit is opened at this time have: the unlatching of sludge reflux pump two, the aeration pipeline in transition pond and anoxic pond
One is common, and ibid unit anoxic pond one is aerated pipe valve open frequency.
Sewage is flowed into from top to bottom in anoxic pond two, is flowed into from top to bottom by outlet pipe four (aerobic tank water inlet pipe) aerobic
Chi Zhong；The equipment and valve that this unit is opened at this time have: nitrification liquid reflux pipe valve is opened, anoxic pond two is aerated pipe valve intermittence and opens
It opens.
Sewage flows into aerobic tank from top to bottom, and it is heavy to flow into two from top to bottom by aerobic tank effluent weir one (outlet pipe five)
Chi Zhong；Sewage completes the removal of organic matter, the nitrification of ammonia nitrogen, absorption total phosphorus in aerobic pool unit；It is opened in this unit at this time
Equipment and valve have: the normally opened aeration of aeration tube four in nitrification liquid reflux pump, aerobic tank.
Sewage is entered in secondary settling tank central draft tube after aerobic tank is handled by secondary settling tank water inlet pipe, in the work of reflecting plate
Under, mud-water separation is completed, supernatant goes out qualified discharge outside supervisor's outflow equipment through what is connect under secondary clarifier effluent weir two；Lower layer is dirty
The sludge reflux pump one that mud enters equipment room through enters mud pipe completes reflux；Equipment and pipe valve without unlatching in this unit.
Control core of the equipment room as complete equipment, the equipment opened in the unit have: and rotary blower (two, one
Standby with one, automatically switch every 12h), sludge reflux pump one, phosphorus sludge reflux pump and tubular type ultraviolet sterilizer.
Now stress the effect of each unit equipment: the rotary blower in equipment room, which is mainly supplied to aerobic tank, completes nitre
Change effect, removal organic matter and absorption phosphorus；Into anoxic pond one, transition pond, anoxic pond two, gas supply is mainly stirring action.
The sludge reflux pump one of equipment room is in such a mode mainly flowed back into mud mixture by sludge reflux pipe valve
In anoxic pond one, the nitrate nitrogen in muddy water mixed solution is completed using the organic carbon source in water inlet in this element and removes (anti-nitre
Change).
The nitrification liquid reflux pumping action being arranged in aerobic tank is mainly to lead to the nitrification liquid that nitrification is completed in aerobic tank
It crosses nitrification liquid reflux pipe valve to flow back into anoxic pond two, the removal (denitrification) of nitrate nitrogen is completed in anoxic pond two.
It is that (denitrification is complete by the mud mixture in transition pond that the effect of sludge reflux pump two is arranged in transition pond
At) be driven into anaerobic pond, the sludge concentration of anaerobic pond is supplemented, at this time without nitrate nitrogen in phegma, polyP bacteria is not influenced and is detesting
Phosphorus is released in oxygen pond, sludge can sufficiently release phosphorus in this element at this time, to sufficiently inhale phosphorus in aerobic tank.
For existing organic carbon source in changeover portion sludge body can be made full use of to maximally utilize (transition pond dirt in such a mode
Mud is in anoxic pond one, and the sludge source in anoxic pond one is in secondary settling tank excess sludge), guarantee the case where carbon source is not added
Under, total phosphorus can be removed sufficiently；The effluent pipe valve outside equipment is opened, flow is the 10% of flow of inlet water in this lateral flow tubes, passes through side
It flows into mouth to enter in phosphorus anaerobic precipitation pond, mud mixture separates in this element, and the phosphorus content in supernatant is quite high, passes through
The gravity flow of phosphorus anaerobic precipitation pond supernatant outlet flows into phosphorus chemistry settling apparatus；The sludge that phosphorus anaerobic precipitation pond precipitates belongs to
Poor phosphorus sludge can maximize in aerobic tank and inhale phosphorus, therefore the dirt that phosphorus anaerobic precipitation pond is precipitated using phosphorus sludge reflux pump
Mud is squeezed into aerobic tank respectively by the poor phosphorus sludge pipe and inner circulation of sludge pipe in phosphorus anaerobic precipitation pond by 50%, and in addition 50%
It is back flowed back into phosphorus anaerobic precipitation pond by the effluent import of phosphorus anaerobic precipitation pond.
The supernatant in phosphorus chemistry settling apparatus is flowed into because of phosphorus content height, therefore adds calcium hydroxide into phosphorus chemistry sedimentation basin
Solution, dosage 2:1；The sludge that substance after vertical sedimentation basin precipitates squeezes into peripheral hardware by mud discharging mouth by sludge pump is dense
In contracting pond.
Excess sludge is by sludge reflux pump one and the excess sludge delivery pipe with mud valve in secondary settling tank, certainly every 5 days
Dynamic discharge is primary, and drain time is 30 seconds, is equally discharged into the sludge concentration tank of peripheral hardware.
Operational mode two: AAO
Service condition: work as BOD5: TN >=4 or BOD5: the state of TP >=20.
Process flow:
Sewage is after collecting pipe network and collecting, and after filtering big partial size rubbish into grid canal, gravity flow enters conditioning tank, and sewage exists
Homogeneous average mixes in conditioning tank, and mouth is responsible in the water inlet of sewage lifting to this equipment by the submersible sewage pump being arranged in conditioning tank
(project amount that this section is described is not in this integration apparatus device scope).
On-line analysis instrument of being intake obtains: BOD5: TN >=4 or BOD5: when TP >=20, system starts this technique (AAO).
Sewage enters in anaerobic pond through water inlet supervisor (water distributor), reacts with the microorganism being arranged in anaerobic pond,
Sewage releases phosphorus in anaerobic pond at this time, after by outlet pipe one (water inlet pipe of anoxic pond one) flow into anoxic pond one from top to bottom
In (pre- dephosphorization pond)；The equipment that this unit is opened at this time has: diving mixer.
Sewage is flowed into from top to bottom in anoxic pond one, from top to bottom by one outlet pipe two (transition pond water inlet pipe) of anoxic pond
It flows into transition pond；The equipment and valve that this unit is opened at this time have: pipe valve in parallel, anoxic pond one are aerated pipe valve intermittence and open
It opens.
Sewage is flowed into from top to bottom in transition pond, is flowed from top to bottom by transition pond outlet pipe three (two water inlet pipe of anoxic pond)
Enter in anoxic pond two；The equipment and valve that this unit is opened at this time have: the aeration pipeline and anoxic pond one in transition pond are common, ibid
Unit anoxic pond one is aerated pipe valve open frequency.
Sewage is flowed into from top to bottom in anoxic pond two, from top to bottom by two outlet pipe four (aerobic tank water inlet pipe) of anoxic pond
It flows into aerobic tank；The equipment and valve that this unit is opened at this time have: connecting leg valve, anoxic pond two being divided to be aerated pipe valve intermittence and open
It opens.
Sewage flows into aerobic tank from top to bottom, flows into from top to bottom by aerobic tank effluent weir one (lower connected water outlet pipe five)
In secondary settling tank；Sewage completes the removal of organic matter, the nitrification of ammonia nitrogen, absorption total phosphorus in this unit；It is opened in this unit at this time
Equipment and valve have: nitrification liquid reflux pump, the normally opened aeration of aeration tube four.
Sewage enters in secondary settling tank central draft tube after aerobic tank is handled, and under the action of reflecting plate, completes muddy water point
From qualified discharge outside water outlet main pipe outflow equipment of the supernatant through being connect under secondary clarifier effluent weir two；Lower layer's sludge through enters mud pipe into
The sludge reflux pump one for entering equipment room completes reflux；Equipment and pipe valve without unlatching in this unit.
Control core of the equipment room as complete equipment, the equipment opened in the unit have: and rotary blower (two, one
Standby with one, automatically switch every 12h), sludge reflux pump one and tubular type ultraviolet sterilizer.
Excess sludge is primary every 5 days automatic-dischargings by mud valve and excess sludge delivery pipe in secondary settling tank, when discharge
Between be 30 seconds, be discharged into the sludge concentration tank of peripheral hardware.
In each unit under above-mentioned two mode when the related valve and opening of device, other non-normally opened valves
And equipment should all close.
The effect of each unit equipment under mode two and the difference of mode one essentially consist in:
The sludge reflux pump one of equipment room is under this AAO mode, directly by pipe valve in parallel, switching mud return line two into
Enter anaerobic pond；One valve of mud return line is closed, and the mud mixed liquid in mud return line one does not enter in anoxic pond one.
Under this mode, nitrification liquid reflux pipe valve is closed, and connecting leg valve is divided to open, the nitrification liquid reflux pump work being arranged in aerobic tank
With being that the nitrification liquid in aerobic pool unit is pumped into anoxic pond one, anoxic pond one, transition pond, anoxic pond two can be at this time
Entirety regards the anoxic pond of an entirety as, is substantially carried out denitrification denitrogenation.
Lateral flow tubes, phosphorus anaerobic precipitation pond, phosphorus chemistry settling apparatus and phosphorus sludge reflux pump do not work.
Following table two be the present invention with the concrete practice case of existing equipment (be 50 ton/days of sewage-treatment plant, into
Water is same place domestic sewage in rural areas, and effluent index is level-one A).
Table two:
It can be seen that from the above comparison project from construction cost, ton water running cost, stable water outlet, personnel and operate water
It puts down to consider, composite integrated sewage disposal device of the invention, there is significant advantage, enable to sanitary sewage and work
The biochemical wastewater treatment of industry is more economical, efficient, energy saving, therefore economy with higher, science and safety, is suitble to
Domestic sewage in rural areas and biochemical field of industrial waste water treatment are promoted the use of.
The above, preferable specific embodiment only of the invention, but the scope of the present invention is not limited thereto, and it is any
Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore the scope of the present invention is subject to the scope of protection of the claims.
Claims (10)
1. composite integrated sewage disposal device, including pond body, it is characterised in that: be successively divided into anaerobic pond in pond body, lack
Oxygen pond one, transition pond, anoxic pond two, aerobic tank and secondary settling tank；
The bottom of the anaerobic pond is provided with water distributor and submersible agitator, and one end of anaerobic pond is connected with into water and is responsible for, described
Water inlet supervisor connect with water distributor, and the other end of anaerobic pond is connect by outlet pipe one with anoxic pond one；
The bottom of the anoxic pond one is provided with aeration tube one, and anoxic pond one is connect by outlet pipe two with transition pond；
The bottom in the transition pond is provided with aeration tube two and sludge reflux pump two, and the sludge reflux pump two passes through sludge reflux
Guan Eryu water inlet supervisor's connection, transition pond is connect by outlet pipe three with anoxic pond two；
The bottom of the anoxic pond two is provided with aeration tube three, and anoxic pond two is connect by outlet pipe four with aerobic tank；
The bottom of the aerobic tank is provided with aeration tube four and nitrification liquid reflux pump, is provided with filler in aerobic tank；The nitrification
The outlet of liquid reflux pump connects two-way pipeline, is connect all the way by nitrification liquid reflux pipe valve with anoxic pond two, another way is by dividing
Connecting leg valve is connect with anoxic pond one；Aerobic tank one end adjacent with secondary settling tank is provided with effluent weir one, and the effluent weir one passes through
Outlet pipe five is connect with secondary settling tank；
The bottom of pond of secondary settling tank structure funnel-shaped simultaneously protrudes into the enters mud pipe with valve, and the enters mud pipe is connected with sludge and returns
The outlet of stream pump one, the sludge reflux pump one connects three Lu Guandao, is all the way the excess sludge delivery pipe with mud valve, and one
Road is connect by sludge reflux pipe valve with anoxic pond one, and another way passes through pipe valve in parallel and connect with mud return line two；Secondary settling tank
One end far from aerobic tank is provided with effluent weir two, and the effluent weir two is connected with water outlet main pipe；It holds in the mouth the lower section of the secondary settling tank
It is connected to phosphorus anaerobic precipitation pond, the body side in phosphorus anaerobic precipitation pond is provided with supernatant outlet and effluent import, phosphorus anaerobism
The bottom of pond of sedimentation basin is connected with phosphorus sludge reflux pump by sludge pipe, and the outlet of the phosphorus sludge reflux pump passes through band valve respectively
Inner circulation of sludge pipe and poor phosphorus sludge pipe with valve connect with effluent import and aerobic tank；The effluent import also passes through band
The effluent pipeline of effluent pipe valve is connect with mud return line two；The supernatant outlet is connected with phosphorus chemistry settling apparatus.
2. composite integrated sewage disposal device according to claim 1, it is characterised in that: the anaerobic pond and anoxic
The downside in pond two is provided with drain.
3. composite integrated sewage disposal device according to claim 1, it is characterised in that: it further include equipment room, institute
It states equipment room to become one with pond body, and is located at the adjacent side of secondary settling tank；The phosphorus sludge reflux pump and sludge reflux pump one are equal
It is installed in equipment room, electric autocontrol cabinet and aerator is also equipped in equipment room.
4. composite integrated sewage disposal device according to claim 3, it is characterised in that: the aerator includes
An at least rotary blower, the rotary blower connect aeration tube four, and rotary blower is aerated pipe valve by anoxic pond two
Aeration tube three is connected, rotary blower is aerated pipe valve by anoxic pond one and connects aeration tube one and aeration tube two.
5. composite integrated sewage disposal device according to claim 1, it is characterised in that: the filler is light-duty outstanding
Floating filler, the top of the aerobic tank is fixed with the stainless steel mesh net for preventing filler overflow into effluent weir one, the nitre
Change liquid reflux pump and is covered with stainless steel mesh net cage.
6. composite integrated sewage disposal device according to claim 1, it is characterised in that: the secondary settling tank is perpendicular stream
It is connected to inside formula sedimentation basin, the outlet pipe five and the guide shell at secondary settling tank center.
7. composite integrated sewage disposal device according to claim 1, it is characterised in that: set on the water inlet supervisor
Set BOD in-line analyzer, ammonia nitrogen in-line analyzer, total nitrogen in-line analyzer and total phosphorus in-line analyzer；Anaerobic pond setting ORP exists
Line measuring instrument and MLSS on-line monitoring instrument；ORP on-line monitoring instrument and MLSS on-line monitoring instrument is arranged in transition pond；Anoxic
ORP on-line monitoring instrument and MLSS on-line monitoring instrument is arranged in pond two；Aerobic tank setting ORP on-line monitoring instrument, DO are supervised online
Survey instrument and MLSS on-line monitoring instrument；It is online that BOD in-line analyzer, ammonia nitrogen in-line analyzer, total nitrogen are set in water outlet main pipe
Analyzer and total phosphorus in-line analyzer；Total phosphorus in-line analyzer is arranged in phosphorus anaerobic precipitation pond.
8. composite integrated sewage disposal device according to claim 1, it is characterised in that: the phosphorus chemistry precipitating is set
Standby to use full-buried type, phosphorus chemistry settling apparatus includes sequentially connected lime under agitation pond, changeover portion stirring pool and vertical-flow
Sedimentation basin.
9. composite integrated sewage disposal device according to claim 4, it is characterised in that: described to divide connecting leg valve, nitre
Change liquid reflux pipe valve, mud valve, sludge reflux pipe valve, pipe valve in parallel, effluent pipe valve, anoxic pond two and is aerated pipe valve and anoxic pond one
Aeration pipe valve is all made of motor-operated control valve.
10. composite integrated sewage disposal device according to claim 1, it is characterised in that: in the water outlet main pipe
Duct type ultraviolet sterilizer is installed.
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| CN201910239070.5A CN109824147A (en) | 2019-03-27 | 2019-03-27 | Composite integrated sewage disposal device |
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ID=66872333
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| CN112047467A (en) * | 2020-08-07 | 2020-12-08 | 山东思源水业工程有限公司 | Intelligent efficient aeration biochemical system and automatic control method |
| CN112225313A (en) * | 2020-11-23 | 2021-01-15 | 北京洁禹通环保科技有限公司 | Bury formula integration sewage treatment device |
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