CN106608677A - Sewage treatment system and treatment process thereof - Google Patents
Sewage treatment system and treatment process thereof Download PDFInfo
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- CN106608677A CN106608677A CN201611132083.5A CN201611132083A CN106608677A CN 106608677 A CN106608677 A CN 106608677A CN 201611132083 A CN201611132083 A CN 201611132083A CN 106608677 A CN106608677 A CN 106608677A
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- 238000000034 method Methods 0.000 title claims abstract description 186
- 239000010865 sewage Substances 0.000 title claims abstract description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 210
- 238000005273 aeration Methods 0.000 claims abstract description 127
- 239000010802 sludge Substances 0.000 claims description 22
- 239000002244 precipitate Substances 0.000 claims description 15
- 241000283080 Proboscidea <mammal> Species 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 3
- 238000013019 agitation Methods 0.000 claims 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 9
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 9
- 239000011574 phosphorus Substances 0.000 abstract description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 4
- 238000003756 stirring Methods 0.000 abstract description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 244000005700 microbiome Species 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- JVMRPSJZNHXORP-UHFFFAOYSA-N ON=O.ON=O.ON=O.N Chemical compound ON=O.ON=O.ON=O.N JVMRPSJZNHXORP-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 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 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 206010002660 Anoxia Diseases 0.000 description 1
- 241000976983 Anoxia Species 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 229920000388 Polyphosphate Polymers 0.000 description 1
- 229920000037 Polyproline Polymers 0.000 description 1
- 230000007953 anoxia Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 150000002897 organic nitrogen compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001205 polyphosphate Substances 0.000 description 1
- 235000011176 polyphosphates Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/308—Biological phosphorus removal
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses a sewage treatment system. The sewage treatment system comprises a first treatment zone, a second treatment zone, a third treatment zone and a fourth treatment zone; the first treatment zone, the second treatment zone, the third treatment zone and the fourth treatment zone are all internally provided with aeration stirring devices and communicate in sequence through check valves, and moreover, the first treatment zone communicates with the fourth treatment zone through a check valve; the first treatment zone, the second treatment zone, the third treatment zone and the fourth treatment zone are all provided with air inlet devices and are all internally provided with water decanters; and the water outlet ends of all the water decanters form clear water outlets of all the treatment zones. A sewage treatment process comprises the following steps of the step 1, the step 2, the step 3, the step 4, the step 5 and the step 6. According to the sewage treatment system and the sewage treatment process thereof, the nitrogen and phosphorus removal efficiency is high.
Description
Technical field
The present invention relates to technical field of sewage, more particularly to a kind of sewage disposal system and its handling process.
Background technology
General sewage disposal mainly includes two processes of biological denitrificaion and biological phosphate-eliminating, and wherein biological denitrificaion refers to organic nitrogen
Compound, decomposes in the presence of ammonifiers, is converted into ammoniacal nitrogen, in the presence of nitrifier, under aerobic condition, by ammoniacal nitrogen
It is converted into nitrite nitrogen, nitrate nitrogen；Under anoxia condition, nitrite nitrogen, nitrate nitrogen are changed into nitrogen by denitrifying bacterium, are escaped from water
Go out.Biological phosphate-eliminating mainly uses polyP bacteria and discharges phosphorus under anaerobic and the effect of phosphorus is accumulated under aerobic condition, passes through
Rich phosphorous sludge is excluded, the purpose for removing phosphorus from liquid phase is reached.And various microorganisms can be there are in sewage, therefore carrying out
During sewage disposal, people only need to be controlled to the amount of oxygen in sewage, in water microorganism aerobic state, anaerobic condition and
It is operated under anaerobic state, so as to reach the purpose of denitrogenation dephosphorizing.
And existing biological denitrification phosphorous removal technique mainly has AAO denitrification dephosphorization techniques (anaerobic- anoxic- oxic), bar top Pu
(Bardenpho) denitrification dephosphorization technique (anaerobic-aerobic-anaerobic-aerobic), Phoredox techniques (anaerobic- anoxic- oxic-lack
Oxygen-aerobic), five sections of Bardenpho techniques), UCT techniques, VIP techniques, oxidation ditch process, SBR techniques etc..But it is above-mentioned each
Be only capable of when denitrogenation dephosphorizing is carried out the single change for carrying out aerobic or anoxic or anaerobism in technique, thus denitrogenation dephosphorizing efficiency compared with
It is low.
The content of the invention
In order to overcome the deficiencies in the prior art, an object of the present invention is to provide a kind of sewage disposal system, and its is each
Individual treatment region can individually successively in aerobic state, change between anaerobic condition and anaerobic state in different time sections；Simultaneously
The whole system that each treatment region is formed also can successively experience aerobic state, anaerobic condition and anaerobism in above-mentioned transformation period section
State.
An object of the present invention employs the following technical solutions realization：
A kind of sewage disposal system, including the first treatment region, second processing area, the 3rd treatment region and fourth process area,
Aeration stirrer is equipped with first treatment region, second processing area, the 3rd treatment region and fourth process area；First is processed
Area, second processing area, the 3rd treatment region and fourth process area pass sequentially through non-return valve connection；And at fourth process area and first
Reason is connected between area by the non-return valve；First treatment region, second processing area, the 3rd treatment region and fourth process area are all provided with
There is inlet duct；Water decanter is equipped with first treatment region, second processing area, the 3rd treatment region and fourth process area, is respectively strained
The water side of hydrophone forms the clear water output of each treatment region.
Preferably, the first treatment region, second processing area, the 3rd treatment region and fourth process area are equipped with water feed apparatus；
Water feed apparatus include water inlet pipe and water intaking valve, and the water inlet end of each water inlet pipe is connected by a main pipeline with outside source of sewage, respectively
The water side of water inlet pipe connects with each treatment region inside.
Preferably, inlet duct includes air inlet pipe and intake valve, connects inside the outlet side of each air inlet pipe and each treatment region
Logical, the inlet end of each air inlet pipe is equipped with intake valve.
Preferably, also including remote control, the remote control and each aeration stirrer, each inlet duct
And each water decanter is electrically connected with, and for controlling the start and stop of each aeration stirrer, each inlet duct and each water decanter.
Preferably, water decanter includes outer tube and inner core, and the top of the inner core is connected to the inside of outer tube, and can be in water
Buoyancy lower edge outer tube short transverse motion；Inner core top outer wall forms intake tunnel with outer tube inner wall interval setting；
Inner core bottom is provided with drainpipe, and inner core top is provided with the water inlet connected with the intake tunnel；Triangle is provided with inner core and strains water
Weir, the triangle is strained the import of mill weir and is connected with the water inlet；Triangle is strained the outlet of mill weir and is connected with the drainpipe.
Preferably, first treatment region, second processing area, the 3rd treatment region and fourth process area are in sphere of movements for the elephants type point
Cloth.
The second object of the present invention is to provide a kind of sewage treatment process, is comprised the steps：
Step one, sets up above-mentioned sewage disposal system；
Step 2, then introduces the first treatment region by sewage, and under the promotion of waterpower, the sewage in the first treatment region passes through
Non-return valve sequentially enters second processing area, the 3rd treatment region and fourth process area；
Step 3, including as follows step by step,
Step A, opens the inlet duct and aeration stirrer in the first treatment region, makes the water decanter in the first treatment region
It is closed；The first treatment region is set to be in aerobic state；
The aeration stirrer in second processing treatment region is opened, makes inlet duct and water decanter in second processing area equal
It is closed；Make to be in anaerobic condition in second processing area；
The inlet duct and aeration stirrer in the 3rd treatment region is opened, the water decanter in the 3rd treatment region is made in pass
Closed state；Make in the 3rd treatment region in aerobic state；
The water decanter in fourth process area is opened, the inlet duct in fourth process area, aeration stirrer is in
Closed mode；Make to be in out water state in fourth process area；
Step B, after step A,
Inlet duct of the aeration stirrer in the first treatment region in opening, the first treatment region of closing is made,
Simultaneously the water decanter in the first treatment region is also in closed mode；Make in the first treatment region in anaerobic condition；
The inlet duct in second processing area is opened, while the aeration stirrer in second processing treatment region is also in opening
Open state；And the water decanter in second processing area is also also in closed mode；Make to be in aerobic state in second processing area；
The inlet duct closed in the 3rd treatment region and aeration stirrer, make water decanter in the 3rd treatment region also in
Closed mode；Make in the 3rd treatment region in anaerobic state, preformed precipitate；
Fourth process area does not adjust；
Step C, after stepb,
The inlet duct in the first treatment region is reopened, the aeration stirrer in the first treatment region is made in unlatching shape
State, while the water decanter in the first treatment region is also in closed mode；Make in the first treatment region in aerobic state；
The inlet duct closed in second processing area, while the aeration stirrer in second processing treatment region is also in opening
Open state；And the water decanter in second processing area is also also in closed mode；Make to be in anaerobic condition in second processing area；
3rd treatment region and fourth process area do not adjust；
Step 4, including as follows step by step,
Step A1, opens the inlet duct and aeration stirrer in second processing area, makes to strain water in second processing area
Device is closed；Second processing area is set to be in aerobic state；
The aeration stirrer in the 3rd process treatment region is opened, makes inlet duct and water decanter in the 3rd treatment region equal
It is closed；Make in the 3rd treatment region in anaerobic condition；
The inlet duct and aeration stirrer in fourth process area is opened, the water decanter in fourth process area is made in pass
Closed state；Make to be in aerobic state in fourth process area；
The water decanter in the first treatment region is opened, the inlet duct in the first treatment region, aeration stirrer is in
Closed mode；Make to be in out water state in the first treatment region；
Step B1, after step A1,
Inlet duct of the aeration stirrer in second processing area in opening, closing second processing area is made,
Simultaneously the water decanter in second processing area is also in closed mode；Make to be in anaerobic condition in second processing area；
The inlet duct in the 3rd treatment region is opened, while the aeration stirrer in the 3rd process treatment region is also in opening
Open state；And the water decanter in the 3rd treatment region is also also in closed mode；Make in the 3rd treatment region in aerobic state；
The inlet duct closed in fourth process area and aeration stirrer, make water decanter in fourth process area also in
Closed mode；Make in fourth process area in anaerobic state, preformed precipitate；
First treatment region does not adjust；
Step C1, after step B1,
The inlet duct in second processing area is reopened, the aeration stirrer in second processing area is made in unlatching shape
State, while the water decanter in second processing area is also in closed mode；Make to be in aerobic state in second processing area；
The inlet duct closed in the 3rd treatment region, while the aeration stirrer in the 3rd process treatment region is also in opening
Open state；And the water decanter in the 3rd treatment region is also also in closed mode；Make in the 3rd treatment region in anaerobic condition；
Fourth process area and the first treatment region do not adjust；
Step 5, including as follows step by step,
Step A2, opens the inlet duct and aeration stirrer in the 3rd treatment region, makes to strain water in the 3rd treatment region
Device is closed；The 3rd treatment region is set to be in aerobic state；
The aeration stirrer in fourth process treatment region is opened, makes inlet duct and water decanter in fourth process area equal
It is closed；Make to be in anaerobic condition in fourth process area；
The inlet duct and aeration stirrer in the first treatment region is opened, the water decanter in the first treatment region is made in pass
Closed state；Make in the first treatment region in aerobic state；
The water decanter in second processing area is opened, the inlet duct in second processing area, aeration stirrer is in
Closed mode；Make to be in out water state in second processing area；
Step B2, after step A2,
Inlet duct of the aeration stirrer in the 3rd treatment region in opening, the 3rd treatment region of closing is made,
Simultaneously the water decanter in the 3rd treatment region is also in closed mode；Make in the 3rd treatment region in anaerobic condition；
The inlet duct in fourth process area is opened, while the aeration stirrer in fourth process treatment region is also in opening
Open state；And the water decanter in fourth process area is also also in closed mode；Make to be in aerobic state in fourth process area；
The inlet duct closed in the first treatment region and aeration stirrer, make water decanter in the first treatment region also in
Closed mode；Make in the first treatment region in anaerobic state, preformed precipitate；
Second processing area does not adjust；
Step C2, after step B2,
The inlet duct in the 3rd treatment region is reopened, the aeration stirrer in the 3rd treatment region is made in unlatching shape
State, while the water decanter in the 3rd treatment region is also in closed mode；Make in the 3rd treatment region in aerobic state；
The inlet duct closed in fourth process area, while the aeration stirrer in fourth process treatment region is also in opening
Open state；And the water decanter in fourth process area is also also in closed mode；Make to be in anaerobic condition in fourth process area；
First treatment region and second processing area do not adjust；
Step 6, including as follows step by step,
Step A3, opens the inlet duct and aeration stirrer in fourth process area, makes to strain water in fourth process area
Device is closed；Fourth process area is set to be in aerobic state；
The first aeration stirrer processed in treatment region is opened, makes inlet duct and water decanter in the first treatment region equal
It is closed；Make in the first treatment region in anaerobic condition；
The inlet duct and aeration stirrer in second processing area is opened, the water decanter in second processing area is made in pass
Closed state；Make to be in aerobic state in second processing area；
The water decanter in the 3rd treatment region is opened, the inlet duct in the 3rd treatment region, aeration stirrer is in
Closed mode；Make to be in out water state in the 3rd treatment region；
Step B3, after step A3,
Inlet duct of the aeration stirrer in fourth process area in opening, closing fourth process area is made,
Simultaneously the water decanter in fourth process area is also in closed mode；Make to be in anaerobic condition in fourth process area；
The inlet duct in the first treatment region is opened, while the aeration stirrer in the first process treatment region is also in opening
Open state；And the water decanter in the first treatment region is also also in closed mode；Make in the first treatment region in aerobic state；
The inlet duct closed in second processing area and aeration stirrer, make water decanter in second processing area also in
Closed mode；Make in second processing area in anaerobic state, preformed precipitate；
3rd treatment region does not adjust；
Step C3, after step B3,
The inlet duct in fourth process area is reopened, the aeration stirrer in fourth process area is made in unlatching shape
State, while the water decanter in fourth process area is also in closed mode；Make to be in aerobic state in fourth process area；
The inlet duct closed in the first treatment region, while the aeration stirrer in the first process treatment region is also in opening
Open state；And the water decanter in the first treatment region is also also in closed mode；Make in the first treatment region in anaerobic condition；
Second processing area and the 3rd treatment region do not adjust.
Preferably, step A, step A1, step A2, the duration of step A3 are 30-60 minutes；Step B, step B1,
Step B2, the duration of step B3 are 15-30 minutes；Step C, step C1, step C2, the duration of step C3 are 15-
30 minutes.
Preferably, sludge pump is set in each treatment region, after step 6, starts sludge pump.
Compared to existing technology, the beneficial effects of the present invention is：Its each treatment region different time sections can individually according to
It is secondary to change in aerobic state, between anaerobic condition and anaerobic state；The whole system that simultaneously each treatment region is formed is above-mentioned
Transformation period section also can successively experience aerobic state, anaerobic condition and anaerobic state, promote in each treatment region in sewage
Organic matter degradation, nitrification and denitrification, the carrying out of aerobic phosphorus absorption, with reference to anaerobic phosphorus release below, precipitate water outlet, constitute complete
Denitrogenation dephosphorizing flow process.In addition, and each treatment region can be used alone as settling zone, without being separately provided second pond；And at each
Reason is connected between area by non-return valve, it is ensured that sewage one-way flow in the entire system.Simultaneously aeration is stirred in each treatment region
Mixing device can make each treatment region in being thoroughly mixed state, with reference to the change of water entry, eliminate setting for phegma and sludge reflux
Standby and energy consumption.In addition, above-mentioned first treatment region, second processing area, the 3rd treatment region and fourth process area are in sphere of movements for the elephants type point
Cloth, mutually shared side wall, characteristics of compact layout, floor space is little.
Description of the drawings
Fig. 1 is the plane structure chart of the sewage disposal system of the present invention；
Fig. 2 is the profile stretch-out view of the sewage disposal system of the present invention；
Fig. 3 is the structural representation of the water decanter of the sewage disposal system of the present invention.
In figure：10th, the first treatment region；20th, second processing area；30th, the 3rd treatment region；40th, fourth process area；41st, sludge
Pump；50th, water intaking valve；60th, intake valve；70th, aeration stirrer；80th, non-return valve；90th, water decanter；91st, outer tube；92nd, inner core；
93rd, drainpipe；94th, intake tunnel.
Specific embodiment
Below, with reference to accompanying drawing and specific embodiment, the present invention is described further：
As shown in Figure 1 and Figure 2, a kind of sewage disposal system, specifically includes the first treatment region 10, second processing area
20th, the 3rd treatment region 30 and fourth process area 40, the first treatment region 10, second processing area 20, the 3rd treatment region 30 and
Aeration stirrer 70 is equipped with fourth process area 40, for providing dissolved oxygen amount.Make the first treatment region 10, second processing simultaneously
Area 20, the 3rd treatment region 30 and fourth process area 40 pass sequentially through non-return valve 80 and connect, and at fourth process area 40 and first
Reason is connected between area 10 by the non-return valve 80, can so make the first treatment region 10, second processing area 20, the 3rd treatment region 30
And the sewage in fourth process area 40 flows successively in individual event.Additionally, in the first treatment region 10, second processing area the 20, the 3rd
Treatment region 30 and fourth process area 40 are equipped with inlet duct, for being passed through oxygen to each treatment region, adjustment it is whole each
Oxygen state in treatment region.In first treatment region 10, second processing area 20, the 3rd treatment region 30 and fourth process area 40
Water decanter 90 is provided with, the water side of each water decanter 90 forms the clear water output of each treatment region, reaction is completed in each treatment region
Afterwards, upper strata clear water can be excluded by water decanter 90.
On the basis of said structure, during using sewage disposal system of the invention, control to contain in sewage by inlet duct
Oxygen amount, makes reaction tank in aerobic-anaerobic-anaerobic state switching, reaches the effect of denitrogenation dephosphorizing.So can be in the different time
Section, by open or each treatment region in aeration stirrer 70 and inlet duct adjusting in each treatment region
Oxygen state so as to which each treatment region can individually successively in aerobic state, anaerobic condition and anaerobism shape in different time sections
Change between state.Meanwhile, in the same period, coordinate the aeration stirrer 70 and inlet duct adjusted in each treatment region
Working condition, makes the whole system that each treatment region is formed also can successively experience aerobic state, anaerobic condition in the same time period
And anaerobic state, organic matter degradation in sewage, nitrification and denitrification, the carrying out of aerobic phosphorus absorption are promoted in each treatment region,
With reference to anaerobic phosphorus release below, water outlet is precipitated, constitute complete denitrogenation dephosphorizing flow process.
In addition, fourth process area 40 can be used as settling zone, without being separately provided second pond；And pass through between each treatment region
Non-return valve 80 is connected, it is ensured that sewage one-way flow in the entire system, and just flowable without the need for power.While each treatment region
Interior aeration stirrer 70 and agitating device can make each pond in state is thoroughly mixed, and with reference to the change of water entry, save backflow
The equipment and energy consumption of liquid and sludge reflux.
Certainly, it should be noted that being alternately present through the state such as aerobic or anoxic or anaerobism in any one treatment region
Afterwards, i.e., the technological process in the treatment region is completed.In addition, sludge pump 41 can be set in each treatment region, in each process
After technological process is completed in area, sludge pump can take away in the sludge in each treatment region.
Preferably, in the present embodiment, specifically can the first treatment region 10, second processing area 20, the 3rd treatment region 30 with
And fourth process area 40 is equipped with water feed apparatus, the water feed apparatus may include water inlet pipe and water intaking valve 50, make each water inlet pipe
Water inlet end is connected by a main pipeline with outside source of sewage, and the water side of each water inlet pipe connects with each treatment region inside.Here is tied
On the basis of structure, the first treatment region 10, second processing area 20, the 3rd treatment region 30 and fourth process area 40 can each lead into dirt
Water, is individually processed sewage.And when using whole system, the water intaking valve 50 at the first treatment region 10 need to be only opened, it is dirty
Water can successively flow into second processing area 20, the 3rd treatment region 30 and fourth process area 40 under the promotion of waterpower, formed
Into processing system.
Preferably, above-mentioned inlet duct may include air inlet pipe and intake valve 60, make the outlet side of each air inlet pipe with everywhere
The inside connection of reason area, the inlet end of each air inlet pipe is equipped with intake valve 60, so can by open or close intake valve 60 come
The air inflow in each treatment region is controlled, so as to adjust the oxygen state in each treatment region.
Preferably, the control of whole system for convenience, the sewage disposal system of the present embodiment is also filled including remotely control
Put, the remote control is electrically connected with each aeration stirrer 70, each inlet duct and each water decanter 90, be used in combination
In the start and stop for controlling each aeration stirrer 70, each inlet duct and each water decanter 90.Specifically in the present embodiment, can pass through
Each aeration stirrer 70, each inlet duct and water decanter 90 are preset in remote control in each time period work
Time value, so as to the corresponding time open or stop corresponding device, realization need not reach the spot, long-distance intelligent control
System, convenient manipulation.
Preferably, referring to Fig. 3, specifically in the present embodiment, water decanter 90 may include outer tube 91 and inner core 92, make described
The top of inner core 92 is connected to the inside of outer tube 91, and the top of its inner core 92 can act on the height of lower edge outer tube 91 in buoyancy of water
The motion of degree direction.Simultaneously the top outer wall of inner core 92 is with the inwall interval setting of outer tube 91 and can form intake tunnel 94；And in inner core
92 bottoms are provided with drainpipe 93, and the top of inner core 92 is provided with the water inlet connected with the intake tunnel 94；Additionally, setting in inner core 92
There is triangle to strain mill weir, the triangle is strained the import of mill weir and connected with the water inlet；Triangle strains the outlet of mill weir and the drainpipe
93 connections.On the basis of said structure, throughout manage in area and occur after layering, the supernatant in treatment region can Jing inner cores 92 3
Mill weir is strained at angle, and it is final by drainpipe 93 discharge.And because inner core 92 can float with the variation of water level, during aeration rise and
Stop water inlet, and scum silica frost is all bubbled through the water column in water, does not enter inner core 92, thus the water quality that the water decanter 90 is gone out can be made more
It is good；And using triangle strain mill weir can use water state stablize.Certainly, also magnetic valve can be set on drainpipe 93, the magnetic valve
Can be electrically connected with above-mentioned control device, the water outlet situation of water decanter 90 is controlled according to the state of each treatment region.In other feelings
Under condition, the water decanter 90 in the present embodiment also can be replaced with the water decanter 90 of other forms of the prior art.
Preferably, first treatment region 10, second processing area 20, the 3rd treatment region 30 and fourth process area 40 are in
Sphere of movements for the elephants type is distributed, and whole system is distributed in a ring, and mutually shared side wall, characteristics of compact layout, floor space is little；And facilitate
Connection between four treatment regions 40 and the first treatment region 10.Certainly, each treatment region can also rectangular or circular distribution.It is at first
The pond that reason area 10, second processing area 20, the 3rd treatment region 30 and fourth process area 40 can be connected by pool wall is formed, and also may be used
It is four regions in a pond.
The present embodiment also provides a kind of sewage treatment process, comprises the steps：
Step one, sets up above-mentioned sewage disposal system；
Step 2, then introduces the first treatment region by sewage, and under the promotion of waterpower, the sewage in the first treatment region passes through
Non-return valve sequentially enters second processing area, the 3rd treatment region and fourth process area；
Step 3, including as follows step by step,
Step A, opens the inlet duct and aeration stirrer in the first treatment region, makes the water decanter in the first treatment region
It is closed；The first treatment region is set to be in aerobic state；
The aeration stirrer in second processing treatment region is opened, makes inlet duct and water decanter in second processing area equal
It is closed；Make to be in anaerobic condition in second processing area；
The inlet duct and aeration stirrer in the 3rd treatment region is opened, the water decanter in the 3rd treatment region is made in pass
Closed state；Make in the 3rd treatment region in aerobic state；
The water decanter in fourth process area is opened, the inlet duct in fourth process area, aeration stirrer is in
Closed mode；Make to be in out water state in fourth process area；
Step B, after step A,
Inlet duct of the aeration stirrer in the first treatment region in opening, the first treatment region of closing is made,
Simultaneously the water decanter in the first treatment region is also in closed mode；Make in the first treatment region in anaerobic condition；
The inlet duct in second processing area is opened, while the aeration stirrer in second processing treatment region is also in opening
Open state；And the water decanter in second processing area is also also in closed mode；Make to be in aerobic state in second processing area；
The inlet duct closed in the 3rd treatment region and aeration stirrer, make water decanter in the 3rd treatment region also in
Closed mode；Make in the 3rd treatment region in anaerobic state, preformed precipitate；
Fourth process area does not adjust；
Step C, after stepb,
The inlet duct in the first treatment region is reopened, the aeration stirrer in the first treatment region is made in unlatching shape
State, while the water decanter in the first treatment region is also in closed mode；Make in the first treatment region in aerobic state；
The inlet duct closed in second processing area, while the aeration stirrer in second processing treatment region is also in opening
Open state；And the water decanter in second processing area is also also in closed mode；Make to be in anaerobic condition in second processing area；
3rd treatment region and fourth process area do not adjust；
Step 4, including as follows step by step,
Step A1, opens the inlet duct and aeration stirrer in second processing area, makes to strain water in second processing area
Device is closed；Second processing area is set to be in aerobic state；
The aeration stirrer in the 3rd process treatment region is opened, makes inlet duct and water decanter in the 3rd treatment region equal
It is closed；Make in the 3rd treatment region in anaerobic condition；
The inlet duct and aeration stirrer in fourth process area is opened, the water decanter in fourth process area is made in pass
Closed state；Make to be in aerobic state in fourth process area；
The water decanter in the first treatment region is opened, the inlet duct in the first treatment region, aeration stirrer is in
Closed mode；Make to be in out water state in the first treatment region；
Step B1, after step A1,
Inlet duct of the aeration stirrer in second processing area in opening, closing second processing area is made,
Simultaneously the water decanter in second processing area is also in closed mode；Make to be in anaerobic condition in second processing area；
The inlet duct in the 3rd treatment region is opened, while the aeration stirrer in the 3rd process treatment region is also in opening
Open state；And the water decanter in the 3rd treatment region is also also in closed mode；Make in the 3rd treatment region in aerobic state；
The inlet duct closed in fourth process area and aeration stirrer, make water decanter in fourth process area also in
Closed mode；Make in fourth process area in anaerobic state, preformed precipitate；
First treatment region does not adjust；
Step C1, after step B1,
The inlet duct in second processing area is reopened, the aeration stirrer in second processing area is made in unlatching shape
State, while the water decanter in second processing area is also in closed mode；Make to be in aerobic state in second processing area；
The inlet duct closed in the 3rd treatment region, while the aeration stirrer in the 3rd process treatment region is also in opening
Open state；And the water decanter in the 3rd treatment region is also also in closed mode；Make in the 3rd treatment region in anaerobic condition；
Fourth process area and the first treatment region do not adjust；
Step 5, including as follows step by step,
Step A2, opens the inlet duct and aeration stirrer in the 3rd treatment region, makes to strain water in the 3rd treatment region
Device is closed；The 3rd treatment region is set to be in aerobic state；
The aeration stirrer in fourth process treatment region is opened, makes inlet duct and water decanter in fourth process area equal
It is closed；Make to be in anaerobic condition in fourth process area；
The inlet duct and aeration stirrer in the first treatment region is opened, the water decanter in the first treatment region is made in pass
Closed state；Make in the first treatment region in aerobic state；
The water decanter in second processing area is opened, the inlet duct in second processing area, aeration stirrer is in
Closed mode；Make to be in out water state in second processing area；
Step B2, after step A2,
Inlet duct of the aeration stirrer in the 3rd treatment region in opening, the 3rd treatment region of closing is made,
Simultaneously the water decanter in the 3rd treatment region is also in closed mode；Make in the 3rd treatment region in anaerobic condition；
The inlet duct in fourth process area is opened, while the aeration stirrer in fourth process treatment region is also in opening
Open state；And the water decanter in fourth process area is also also in closed mode；Make to be in aerobic state in fourth process area；
The inlet duct closed in the first treatment region and aeration stirrer, make water decanter in the first treatment region also in
Closed mode；Make in the first treatment region in anaerobic state, preformed precipitate；
Second processing area does not adjust；
Step C2, after step B2,
The inlet duct in the 3rd treatment region is reopened, the aeration stirrer in the 3rd treatment region is made in unlatching shape
State, while the water decanter in the 3rd treatment region is also in closed mode；Make in the 3rd treatment region in aerobic state；
The inlet duct closed in fourth process area, while the aeration stirrer in fourth process treatment region is also in opening
Open state；And the water decanter in fourth process area is also also in closed mode；Make to be in anaerobic condition in fourth process area；
First treatment region and second processing area do not adjust；
Step 6, including as follows step by step,
Step A3, opens the inlet duct and aeration stirrer in fourth process area, makes to strain water in fourth process area
Device is closed；Fourth process area is set to be in aerobic state；
The first aeration stirrer processed in treatment region is opened, makes inlet duct and water decanter in the first treatment region equal
It is closed；Make in the first treatment region in anaerobic condition；
The inlet duct and aeration stirrer in second processing area is opened, the water decanter in second processing area is made in pass
Closed state；Make to be in aerobic state in second processing area；
The water decanter in the 3rd treatment region is opened, the inlet duct in the 3rd treatment region, aeration stirrer is in
Closed mode；Make to be in out water state in the 3rd treatment region；
Step B3, after step A3,
Inlet duct of the aeration stirrer in fourth process area in opening, closing fourth process area is made,
Simultaneously the water decanter in fourth process area is also in closed mode；Make to be in anaerobic condition in fourth process area；
The inlet duct in the first treatment region is opened, while the aeration stirrer in the first process treatment region is also in opening
Open state；And the water decanter in the first treatment region is also also in closed mode；Make in the first treatment region in aerobic state；
The inlet duct closed in second processing area and aeration stirrer, make water decanter in second processing area also in
Closed mode；Make in second processing area in anaerobic state, preformed precipitate；
3rd treatment region does not adjust；
Step C3, after step B3,
The inlet duct in fourth process area is reopened, the aeration stirrer in fourth process area is made in unlatching shape
State, while the water decanter in fourth process area is also in closed mode；Make to be in aerobic state in fourth process area；
The inlet duct closed in the first treatment region, while the aeration stirrer in the first process treatment region is also in opening
Open state；And the water decanter in the first treatment region is also also in closed mode；Make in the first treatment region in anaerobic condition；
Second processing area and the 3rd treatment region do not adjust.
Specifically in the present embodiment, step A, step A1, step A2, the duration of step A3 are 30-60 minutes；Step
B, step B1, step B2, the duration of step B3 are 15-30 minutes；Step C, step C1, step C2, step C3 continue
Time is 15-30 minutes.
After the above procedure, the state of each treatment region and whole sewage disposal system is referring to following each table：
After step 3,
Table one
After step 4,
Table two
After step 5,
Table three
After step 6,
Table four
The cycle period that can be seen that this sewage treatment process from above-mentioned each table is divided into four-stage, and per stage point 3
Sequential, 30-60 stages minute in each stage, whole processing system experienced aerobic-anaerobic-Aerobic-anaerobic precipitation water outlet,
15-30 stages minute, whole processing system experienced anaerobic-aerobic-anaerobic precipitation-anaerobic precipitation water outlet, and 15-30 minutes are good
Oxygen-anoxic-anaerobic precipitation -3 kinds of anaerobic precipitation water outlet change.And after a cycle period, each treatment region experienced
Alternately, i.e., whole system and single treatment region experienced aerobic, anoxic, good for oxygen-anaerobic-aerobic-anaerobism, preformed precipitate etc.
Oxygen, anaerobism, the alternating change of preformed precipitate, promote organic matter degradation, nitrification and denitrification, the carrying out of aerobic phosphorus absorption, constitute
Complete denitrogenation dephosphorizing flow process.
In addition, each treatment region can be used alone as settling zone, without being separately provided second pond；And lead between each treatment region
Cross non-return valve connection, it is ensured that sewage one-way flow in the entire system.Aeration stirrer and stir in each treatment region simultaneously
Mixing device can make each pond in being thoroughly mixed state, with reference to the change of water entry, saved phegma and sludge reflux equipment and
Energy consumption.
It should be noted that the time of each sequential in said one stage specifically can be according to actual sewage pollution level
And water quality condition is adjusted, a kind of embodiment provided in the present embodiment is not limited only to.Above-mentioned steps complete one
The process in stage, and in actual mechanical process, need to be circulated sewage process, so repeat above-mentioned cycle period step
Suddenly, other states are realized by controlling the inlet duct of each treatment region, the start and stop of aeration stirrer coordinating, completes whole
Individual circular treatment.
Preferably, sludge pump 41 is set in the fourth process area 40, after step 5, starts sludge pump, make the everywhere
Non-return valve 80 between sludge in reason area 40 passes through in the treatment region 10 of fourth process area 40 and first is come back at first
In reason area 10.Contain substantial amounts of microorganism and organic matter because carrying out abundant reacted sludge in fourth process area 40, with one
Fixed activity, it is also in itself a process for allowing microorganism to accelerate breeding that the sludge of backflow can play a part of inoculation backflow.And
If sludge does not flow back, the disposal ability of new sludge is limited, affects whole extent of reaction.Need also exist for explanation is any
In one treatment region after the state such as aerobic or anoxic or anaerobism is alternately present, i.e., the technological process in the treatment region is complete
Into.In addition, can place sludge pump in corresponding treatment region, after technological process is completed in each treatment region, sludge pump can
Sludge in each treatment region is taken away.
It will be apparent to those skilled in the art that technical scheme that can be as described above and design, make other various
It is corresponding to change and deformation, and all these change and deformation should all belong to the protection domain of the claims in the present invention
Within.
Claims (9)
1. a kind of sewage disposal system, it is characterised in that including the first treatment region, second processing area, the 3rd treatment region and
Four treatment regions, in the first treatment region, second processing area, the 3rd treatment region and fourth process area aeration stirrer is equipped with；
First treatment region, second processing area, the 3rd treatment region and fourth process area pass sequentially through non-return valve connection；And fourth process area
Connected by the non-return valve between the first treatment region；First treatment region, second processing area, the 3rd treatment region and are everywhere
Reason area is equipped with inlet duct；It is equipped with first treatment region, second processing area, the 3rd treatment region and fourth process area and strains water
Device, the water side of each water decanter forms the clear water output of each treatment region.
2. sewage disposal system as claimed in claim 1, it is characterised in that the first treatment region, second processing area, the 3rd are processed
Area and fourth process area are equipped with water feed apparatus；Water feed apparatus include water inlet pipe and water intaking valve, the water inlet end of each water inlet pipe
Connected with outside source of sewage by a main pipeline, the water side of each water inlet pipe connects with each treatment region inside.
3. sewage disposal system as claimed in claim 1, it is characterised in that inlet duct includes air inlet pipe and intake valve,
The outlet side of each air inlet pipe connects with each treatment region inside, and the inlet end of each air inlet pipe is equipped with intake valve.
4. sewage disposal system as claimed in claim 1, it is characterised in that also including remote control, the long-range control
Device processed is electrically connected with each aeration stirrer, each inlet duct and each water decanter, and for controlling each aeration agitation
The start and stop of device, each inlet duct and each water decanter.
5. sewage disposal system as claimed in claim 1, it is characterised in that water decanter includes outer tube and inner core, it is described in
The top of cylinder is connected to the inside of outer tube, and the short transverse motion of lower edge outer tube can be acted in buoyancy of water；Outside inner core top
Wall forms intake tunnel with outer tube inner wall interval setting；Inner core bottom is provided with drainpipe, and inner core top is provided with logical with the water inlet
The water inlet of road connection；Triangle is provided with inner core and strains mill weir, the triangle is strained the import of mill weir and connected with the water inlet；Triangle is strained
The outlet of mill weir is connected with the drainpipe.
6. sewage disposal system as claimed in claim 1, it is characterised in that first treatment region, second processing area, the 3rd
Treatment region and fourth process area are distributed in sphere of movements for the elephants type.
7. a kind of sewage treatment process, it is characterised in that comprise the steps：
Step one, sets up the sewage disposal system as described in claim 1-7；
Step 2, then introduces the first treatment region by sewage, and under the promotion of waterpower, the sewage in the first treatment region passes through check
Valve sequentially enters second processing area, the 3rd treatment region and fourth process area；
Step 3, including as follows step by step,
Step A, opens the inlet duct and aeration stirrer in the first treatment region, is in the water decanter in the first treatment region
Closed mode；The first treatment region is set to be in aerobic state；
The aeration stirrer in second processing treatment region is opened, inlet duct and water decanter in second processing area is in
Closed mode；Make to be in anaerobic condition in second processing area；
The inlet duct and aeration stirrer in the 3rd treatment region is opened, the water decanter in the 3rd treatment region is made in closing shape
State；Make in the 3rd treatment region in aerobic state；
The water decanter in fourth process area is opened, makes the inlet duct in fourth process area, aeration stirrer be in closing
State；Make to be in out water state in fourth process area；
Step B, after step A,
Inlet duct of the aeration stirrer in the first treatment region in opening, the first treatment region of closing is made, while
Water decanter in first treatment region is also in closed mode；Make in the first treatment region in anaerobic condition；
The inlet duct in second processing area is opened, while the aeration stirrer in second processing treatment region is also in unlatching shape
State；And the water decanter in second processing area is also also in closed mode；Make to be in aerobic state in second processing area；
The inlet duct closed in the 3rd treatment region and aeration stirrer, make the water decanter in the 3rd treatment region also in closing
State；Make in the 3rd treatment region in anaerobic state, preformed precipitate；
Fourth process area does not adjust；
Step C, after stepb,
The inlet duct in the first treatment region is reopened, the aeration stirrer in the first treatment region is made in opening,
Simultaneously the water decanter in the first treatment region is also in closed mode；Make in the first treatment region in aerobic state；
The inlet duct closed in second processing area, while the aeration stirrer in second processing treatment region is also in unlatching shape
State；And the water decanter in second processing area is also also in closed mode；Make to be in anaerobic condition in second processing area；
3rd treatment region and fourth process area do not adjust；
Step 4, including as follows step by step,
Step A1, opens the inlet duct and aeration stirrer in second processing area, makes at the water decanter in second processing area
In closed mode；Second processing area is set to be in aerobic state；
The aeration stirrer in the 3rd process treatment region is opened, inlet duct and water decanter in the 3rd treatment region is in
Closed mode；Make in the 3rd treatment region in anaerobic condition；
The inlet duct and aeration stirrer in fourth process area is opened, the water decanter in fourth process area is made in closing shape
State；Make to be in aerobic state in fourth process area；
The water decanter in the first treatment region is opened, makes the inlet duct in the first treatment region, aeration stirrer be in closing
State；Make to be in out water state in the first treatment region；
Step B1, after step A1,
Inlet duct of the aeration stirrer in second processing area in opening, closing second processing area is made, while
Water decanter in second processing area is also in closed mode；Make to be in anaerobic condition in second processing area；
The inlet duct in the 3rd treatment region is opened, while the aeration stirrer in the 3rd process treatment region is also in unlatching shape
State；And the water decanter in the 3rd treatment region is also also in closed mode；Make in the 3rd treatment region in aerobic state；
The inlet duct closed in fourth process area and aeration stirrer, make the water decanter in fourth process area also in closing
State；Make in fourth process area in anaerobic state, preformed precipitate；
First treatment region does not adjust；
Step C1, after step B1,
The inlet duct in second processing area is reopened, the aeration stirrer in second processing area is made in opening,
Simultaneously the water decanter in second processing area is also in closed mode；Make to be in aerobic state in second processing area；
The inlet duct closed in the 3rd treatment region, while the aeration stirrer in the 3rd process treatment region is also in unlatching shape
State；And the water decanter in the 3rd treatment region is also also in closed mode；Make in the 3rd treatment region in anaerobic condition；
Fourth process area and the first treatment region do not adjust；
Step 5, including as follows step by step,
Step A2, opens the inlet duct and aeration stirrer in the 3rd treatment region, makes at the water decanter in the 3rd treatment region
In closed mode；The 3rd treatment region is set to be in aerobic state；
The aeration stirrer in fourth process treatment region is opened, inlet duct and water decanter in fourth process area is in
Closed mode；Make to be in anaerobic condition in fourth process area；
The inlet duct and aeration stirrer in the first treatment region is opened, the water decanter in the first treatment region is made in closing shape
State；Make in the first treatment region in aerobic state；
The water decanter in second processing area is opened, makes the inlet duct in second processing area, aeration stirrer be in closing
State；Make to be in out water state in second processing area；
Step B2, after step A2,
Inlet duct of the aeration stirrer in the 3rd treatment region in opening, the 3rd treatment region of closing is made, while
Water decanter in 3rd treatment region is also in closed mode；Make in the 3rd treatment region in anaerobic condition；
The inlet duct in fourth process area is opened, while the aeration stirrer in fourth process treatment region is also in unlatching shape
State；And the water decanter in fourth process area is also also in closed mode；Make to be in aerobic state in fourth process area；
The inlet duct closed in the first treatment region and aeration stirrer, make the water decanter in the first treatment region also in closing
State；Make in the first treatment region in anaerobic state, preformed precipitate；
Second processing area does not adjust；
Step C2, after step B2,
The inlet duct in the 3rd treatment region is reopened, the aeration stirrer in the 3rd treatment region is made in opening,
Simultaneously the water decanter in the 3rd treatment region is also in closed mode；Make in the 3rd treatment region in aerobic state；
The inlet duct closed in fourth process area, while the aeration stirrer in fourth process treatment region is also in unlatching shape
State；And the water decanter in fourth process area is also also in closed mode；Make to be in anaerobic condition in fourth process area；
First treatment region and second processing area do not adjust；
Step 6, including as follows step by step,
Step A3, opens the inlet duct and aeration stirrer in fourth process area, makes at the water decanter in fourth process area
In closed mode；Fourth process area is set to be in aerobic state；
The first aeration stirrer processed in treatment region is opened, inlet duct and water decanter in the first treatment region is in
Closed mode；Make in the first treatment region in anaerobic condition；
The inlet duct and aeration stirrer in second processing area is opened, the water decanter in second processing area is made in closing shape
State；Make to be in aerobic state in second processing area；
The water decanter in the 3rd treatment region is opened, makes the inlet duct in the 3rd treatment region, aeration stirrer be in closing
State；Make to be in out water state in the 3rd treatment region；
Step B3, after step A3,
Inlet duct of the aeration stirrer in fourth process area in opening, closing fourth process area is made, while
Water decanter in fourth process area is also in closed mode；Make to be in anaerobic condition in fourth process area；
The inlet duct in the first treatment region is opened, while the aeration stirrer in the first process treatment region is also in unlatching shape
State；And the water decanter in the first treatment region is also also in closed mode；Make in the first treatment region in aerobic state；
The inlet duct closed in second processing area and aeration stirrer, make the water decanter in second processing area also in closing
State；Make in second processing area in anaerobic state, preformed precipitate；
3rd treatment region does not adjust；
Step C3, after step B3,
The inlet duct in fourth process area is reopened, the aeration stirrer in fourth process area is made in opening,
Simultaneously the water decanter in fourth process area is also in closed mode；Make to be in aerobic state in fourth process area；
The inlet duct closed in the first treatment region, while the aeration stirrer in the first process treatment region is also in unlatching shape
State；And the water decanter in the first treatment region is also also in closed mode；Make in the first treatment region in anaerobic condition；
Second processing area and the 3rd treatment region do not adjust.
8. a kind of sewage treatment process as claimed in claim 7, it is characterised in that step A, step A1, step A2, step A3
Duration be 30-60 minutes；Step B, step B1, step B2, the duration of step B3 are 15-30 minutes；Step C,
Step C1, step C2, the duration of step C3 are 15-30 minutes.
9. a kind of sewage treatment process as claimed in claim 7, it is characterised in that sludge pump is set in each treatment region,
After step 6, start sludge pump.
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