CN110451722A - A kind of sewage disposal system - Google Patents
A kind of sewage disposal system Download PDFInfo
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- CN110451722A CN110451722A CN201910730820.9A CN201910730820A CN110451722A CN 110451722 A CN110451722 A CN 110451722A CN 201910730820 A CN201910730820 A CN 201910730820A CN 110451722 A CN110451722 A CN 110451722A
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- sewage
- shell
- tank
- clarifier
- reaction
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- 239000010865 sewage Substances 0.000 title claims abstract description 180
- 238000006243 chemical reaction Methods 0.000 claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 239000010802 sludge Substances 0.000 claims abstract description 54
- 239000007789 gas Substances 0.000 claims abstract description 40
- 238000012856 packing Methods 0.000 claims abstract description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000005273 aeration Methods 0.000 claims abstract description 13
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000001301 oxygen Substances 0.000 claims abstract description 11
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 11
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 8
- 239000005416 organic matter Substances 0.000 claims abstract description 8
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 8
- 239000011574 phosphorus Substances 0.000 claims abstract description 8
- 238000010992 reflux Methods 0.000 claims description 21
- 239000007788 liquid Substances 0.000 claims description 16
- 239000011148 porous material Substances 0.000 claims description 12
- 238000005660 chlorination reaction Methods 0.000 claims description 11
- 238000005276 aerator Methods 0.000 claims description 9
- 238000005192 partition Methods 0.000 claims description 7
- 238000005191 phase separation Methods 0.000 claims description 7
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 4
- 238000004659 sterilization and disinfection Methods 0.000 claims description 4
- 239000004155 Chlorine dioxide Substances 0.000 claims description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 3
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 13
- 230000008859 change Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 15
- 238000000926 separation method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 7
- 238000002955 isolation Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 244000005700 microbiome Species 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000029087 digestion Effects 0.000 description 2
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- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
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- 239000012528 membrane Substances 0.000 description 1
- AHEWZZJEDQVLOP-UHFFFAOYSA-N monobromobimane Chemical compound BrCC1=C(C)C(=O)N2N1C(C)=C(C)C2=O AHEWZZJEDQVLOP-UHFFFAOYSA-N 0.000 description 1
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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- 230000006641 stabilisation Effects 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
- C02F3/308—Biological phosphorus removal
-
- 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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/007—Modular design
Abstract
Sewage disposal system provided by the invention, comprising: reaction clarifier-tank reacts active sludge and biologic packing material in clarifier-tank；In reaction clarifier-tank anaerobism or aerobic reaction occur for sewage, to remove the organic matter in sewage, total nitrogen and total phosphorus；Control room, control room is interior to have blower, and blower is connected to by gas pipeline with clarifier-tank is reacted, and controls the oxygen content of sewage and exposure in reaction clarifier-tank and stop comparing；Device for separating mud and water, device for separating mud and water are located in reaction clarifier-tank, and device for separating mud and water is used to separate the activated sludge and sewage in reaction clarifier-tank.So, the exposure of aeration time in reaction clarifier-tank is stopped than controlling by blower, to when larger fluctuation occurs for sewage quality, it by the change of ratio between the exposure stopping time can guarantee that sewage is effectively treated, it avoids the need for increasing sewage disposal device, expand occupied area or occur the case where extending the processing time, effectively reduces the occupied area of sewage disposal device, improve sewage treating efficiency.
Description
Technical field
The present invention relates to technical field of sludge treatment, and in particular to a kind of sewage disposal system.
Background technique
With the continuous acceleration that Urbanization in China develops, exhausting sewage quantity is increasing, to sanitary sewage
Processing form is more and more severeer.
Currently, the processing to sanitary sewage, main core technology is activated sludge process and biofilm, according to both
To the processing mode of biological sewage, derivative and development forms different sewage treatment process, mainly there is aerobic/anaerobic (anoxic/
Oxic, A/O) technique, anaerobic- anoxic- oxic (Anaerobic-Anoxic-Oxic, A2O) technique, oxidation ditch process, batch-type
Activated sludge process (SBR), biological contact oxidation process, biological aerated filter, membrane bioreactor (MBR), cyclic activated sludge system etc..These
Technique is for the pollutant in sanitary sewage (for example, SS, COD, BOD, NH3- N, TN, TP etc.) all have preferable removal effect
Fruit can reach current national standard.
But in the related technology to the treatment process of sanitary sewage, when handling the biggish sewage of change of water quality, only
It can be by increasing processing equipment (from spatially being regulated and controled) or extending processing time (being regulated and controled from the time)；It is difficult to cope with
The biggish sewage treatment of change of water quality, it is difficult to meet more and more harsh sewage treatment Con trolling index.
Summary of the invention
The present invention provides a kind of sewage disposal system, is difficult to cope with water quality with the sewage treatment process of solution in the related technology
The sewage treatment changed greatly, it is difficult to the problem of meeting more and more harsh sewage treatment Con trolling index.
To achieve the above object, the present invention provides a kind of sewage disposal systems, comprising:
React clarifier-tank, active sludge and biologic packing material in the reaction clarifier-tank；The sewage is purified in the reaction
Anaerobism or aerobic reaction occur in pond, to remove organic matter, total nitrogen and the total phosphorus in the sewage；
Control room, the control room is interior to have blower, and the blower reacts clarifier-tank connection with described by gas pipeline, and controls
The oxygen content of sewage and exposure in the reaction clarifier-tank is made to stop comparing；
Device for separating mud and water, the device for separating mud and water are located in the reaction clarifier-tank, and the device for separating mud and water is for dividing
From the activated sludge and sewage in the reaction clarifier-tank.
In a kind of optional embodiment, the reaction clarifier-tank includes anaerobic zone and aerobic zone, the anaerobic zone and institute
Stating has partition wall between aerobic zone, the lower part of the partition wall has water distributing pore, and the sewage of the anaerobic zone passes through the water distributing pore
Into the aerobic zone；The lower part of the anaerobic zone has plug flow device, and it is opposite that the plug flow device is located at the water distributing pore
Side；The plug flow device pushes the sewage of the anaerobic zone and activated sludge to the water distributing pore.
In a kind of optional embodiment, the biologic packing material includes anaerobic organism filler, anaerobic organism filler position
In in the anaerobic zone, the sewage inlet of the reaction clarifier-tank is located at the anaerobic zone.
In a kind of optional embodiment, the bottom of the aerobic zone has aerator, and the aerator passes through institute
It states gas pipeline to be connected to the blower, be aerated with the sewage to the aerobic zone；The exposure stopping time of the aerobic zone aeration
Between than be 3:1 ~ 6:1.
In a kind of optional embodiment, the aerobic zone also has stripping reflux device, the stripping reflux device
Import extends to the bottom of the aerobic zone, and the stripping reflux device is connected to by gas pipeline with the blower；The gas
Propose the connection of the outlet and the anaerobic zone of reflux unit.
In a kind of optional embodiment, the device for separating mud and water includes first shell and is arranged in the first shell
Interior second shell；There is first passage between the inner sidewall of the first shell and the lateral wall of the second shell；It is described
The top of first shell has inlet；The bottom of the first shell and the second shell has sewage draining exit, the blowdown
Three phase separation mechanism is provided at mouthful；The top of the second shell has liquid outlet, and the level height of the liquid outlet is less than
Equal to the level height of the inlet.
In a kind of optional embodiment, filter packing layer, the filter packing are provided in the middle part of the second shell
Layer and the inner wall of the second shell are detachably connected.
In a kind of optional embodiment, the liquid outlet includes:
Overflow launder, the overflow launder are connect with the inner wall of the first shell or the second shell；
Second channel, one end of the second channel are connected to the bottom of the overflow launder；The other end of the second channel with
It extends to outside the first shell.
In a kind of optional embodiment, the sewage disposal system further include:
Chlorination equipment, the chlorination equipment are connected to the second channel, to carry out disinfection to the sewage.
In a kind of optional embodiment, the chlorination equipment includes ultraviolet ray disinfector, ozone generator, chlorine dioxide
At least one of generator.
A kind of sewage disposal system provided by the invention, comprising: reaction clarifier-tank, it is active in the reaction clarifier-tank
Sludge and biologic packing material；Anaerobism or aerobic reaction occur in the reaction clarifier-tank for the sewage, to remove in the sewage
Organic matter, total nitrogen and total phosphorus；Control room, has blower in the control room, the blower by gas pipeline with it is described
Clarifier-tank connection is reacted, and controls the oxygen content of sewage and exposure in the reaction clarifier-tank and stops comparing；Device for separating mud and water, the mud
Water separation device is located in the reaction clarifier-tank, and the device for separating mud and water is used to separate the activity in the reaction clarifier-tank
Sludge and sewage.In this way, being stopped the exposure of aeration time in reaction clarifier-tank than controlling by blower, thus in sewage quality
When larger fluctuation occurs, it by the change of ratio between the exposure stopping time can guarantee that sewage is effectively treated, avoid the need for increasing
Sewage disposal device expands occupied area or occurs the case where extending the processing time, effectively reduces accounting for for sewage disposal device
Ground area improves sewage treating efficiency；Device for separating mud and water further is set in reaction clarifier-tank, reacted clarifier-tank is anti-
Sewage after answering realizes the separation of activated sludge and sewage in device for separating mud and water, eliminates the setting of secondary settling tank, reduces
The occupied area of sewage disposal device；Meanwhile the separation of activated sludge and sewage is realized in reaction clarifier-tank, it ensure that reaction
The concentration of activated sludge in clarifier-tank, improves the efficiency to sewage treatment.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to make simply to introduce, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram for the sewage disposal system that one embodiment of the invention provides；
Fig. 2 be another embodiment of the present invention provides sewage disposal system structural schematic diagram；
Fig. 3 is the overall structure diagram of the device for separating mud and water in sewage disposal system provided by the invention；
Fig. 4 is the cross-sectional view of the device for separating mud and water in sewage disposal system provided by the invention；
Fig. 5 is the configuration schematic diagram of the device for separating mud and water in sewage disposal system provided by the invention；
Description of symbols:
10- purification reaction pond；
The anaerobic zone 11-；
The aerobic zone 12-；
13- partition wall；
13a- water distributing pore；
20- control room；
21- blower；
22- gas pipeline；
30- plug flow device；
40- aerator；
50- stripping reflux device；
51- import；
The outlet 52-；
60- chlorination equipment；
100- device for separating mud and water；
110- first shell；
120- second shell；
130- first passage；
140- inlet；
150- sewage draining exit；
160- three phase separation mechanism；
161- gas block panel；
The first gap 162-；
The second gap 163-；
170- leakage fluid dram；
171- overflow launder；
172- second channel；
180- filter packing layer.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.Not
In the case where conflict, the feature in following embodiment and embodiment be can be combined with each other.
In the description of the embodiment of the present invention, term " first ", " second " are used for description purposes only, and should not be understood as referring to
Show or imply relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " are defined as a result,
Feature can explicitly or implicitly include at least one of the features.In the description of the present invention, the meaning of " plurality " is extremely
It is two few, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be direct phase
Even, can also indirectly connected through an intermediary, the interaction that can be connection or two elements inside two elements is closed
System, unless otherwise restricted clearly.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of the present invention, it is to be understood that, term "inner", "outside", "upper", "bottom", "front", "rear" etc. indicate
Orientation or positional relationship (if yes) be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description this
Invention and simplified description, rather than indicate or imply that signified device or element must have a particular orientation, with specific
Orientation construction and operation, therefore be not considered as limiting the invention.
Fig. 1 is the structural schematic diagram for the sewage disposal system that one embodiment of the invention provides.
Referring to Fig.1, the sewage disposal system that one embodiment of the application provides, comprising:
Clarifier-tank 10 is reacted, active sludge and biologic packing material in clarifier-tank 10 are reacted；Sewage is sent out in reaction clarifier-tank 10
It begins to detest oxygen or aerobic reaction, to remove the organic matter in sewage, total nitrogen and total phosphorus.
Specifically, activated sludge can be the activated sludge in standard biologic sewage treatment, some in present embodiment
In optional embodiment, the concentration of activated sludge is 2000 ~ 3000mg/L, and SV30 is 20% ~ 30%.
Control room 20, control room 20 is interior to have blower 21, and blower 21 is connected to by gas pipeline 22 with clarifier-tank 10 is reacted,
And it controls the oxygen content of sewage and exposure in reaction clarifier-tank 10 and stops comparing.
Device for separating mud and water 100, device for separating mud and water 100 are located in reaction clarifier-tank 10, and device for separating mud and water 100 is used for
Activated sludge and sewage in separation reaction clarifier-tank 10.
Specifically, in some alternative embodiments, device for separating mud and water 100 can have more shown in referring to Fig.1
A, multiple device for separating mud and water 100 are disposed side by side in reaction clarifier-tank 10.
In present embodiment, the exposure for reacting aeration time in clarifier-tank 10 by 21 pairs of blower stops than controlling, thus
When larger fluctuation occurs for sewage quality, it by the change of ratio between the exposure stopping time can guarantee that sewage is effectively treated, avoid
It needs to increase sewage disposal device, expand occupied area or occurs the case where extending the processing time, effectively reduce at sewage
The occupied area for managing equipment, improves sewage treating efficiency；Device for separating mud and water further is set in reaction clarifier-tank 10
100, the sewage after the reacted reaction of clarifier-tank 10 realizes the separation of activated sludge and sewage in device for separating mud and water 100, takes
Disappeared the setting of secondary settling tank, reduces the occupied area of sewage disposal device；Meanwhile realizing that activity is dirty in reaction clarifier-tank 10
The separation of mud and sewage ensure that the concentration of activated sludge in reaction clarifier-tank 10, improve the efficiency to sewage treatment.
Fig. 2 be another embodiment of the present invention provides sewage disposal system structural schematic diagram；Fig. 3 is provided by the invention
The overall structure diagram of device for separating mud and water in sewage disposal system；Fig. 4 is in sewage disposal system provided by the invention
Device for separating mud and water cross-sectional view；Fig. 5 is the explosion knot of the device for separating mud and water in sewage disposal system provided by the invention
Structure schematic diagram.
Referring to shown in Fig. 2, Fig. 3 to Fig. 5, the sewage disposal system that another embodiment of the application provides, 10 ponds of reaction purification
Including anaerobic zone 11 and aerobic zone 12, there is partition wall 13 between anaerobic zone 11 and aerobic zone 12, the lower part of partition wall 13 has water distribution
The sewage of hole 13a, anaerobic zone 11 enter aerobic zone 12 by water distributing pore 13a；The lower part of anaerobic zone 11 has plug flow device 30, pushes away
Stream device 30 is located at water distributing pore 13a opposite side；Plug flow device 30 pushes the sewage of anaerobic zone 11 and activated sludge to cloth
Water hole 13a.
Specifically, biologic packing material includes anaerobic organism filler in present embodiment, anaerobic organism filler is located at anaerobic zone 11
Interior, the sewage inlet of reaction clarifier-tank 10 is located at anaerobic zone 11.
It is mixed specifically, sewage enters anaerobic zone with activated sludge and biologic packing material, in anaerobic zone 11, is filled in plug-flow
It sets under 30 impetus, sewage is sufficiently mixed with sludge and biologic packing material, carries out anaerobic digestion reaction；Work after digestion reaction
Property sludge and sewage enter aerobic zone 12 by water distributing pore 13a.In some alternative embodiments, plug flow device 30 can be
Propeller agitator.
In present embodiment, by anaerobic zone 11 lower part be arranged plug flow device 30, plug flow device 30 at work, energy
It is enough that sewage, biologic packing material and activated sludge in anaerobic zone 11 are sufficiently mixed, it ensure that the digested reaction in anaerobic zone 11
Completeness, effectively remove the ammonia-nitrogen content in sewage；Also, plug flow device is at work, by anaerobic zone 11 sewage and
Activated sludge is pushed in aerobic zone 12 from water distributing pore 13a, ensure that the continuity to sewage treatment, improves sewage treatment effect
Rate.
Referring to shown in Fig. 2, in some alternative embodiments, the bottom of aerobic zone 12 has aerator 40, aeration
Device 40 is connected to by gas pipeline 22 with blower 21, is aerated with the sewage to aerobic zone 12；The exposure that aerobic zone 12 is aerated
Than being 3:1 ~ 6:1 between stopping time.
Specifically, exposing Minute between the stopping time, such as aeration 30 minutes in present embodiment, stopping the supple of gas or steam 10 minutes；Alternatively,
Aeration 60 minutes, stops the supple of gas or steam 10 minutes；Or aeration 60 minutes, it stops the supple of gas or steam 20 minutes.
The work of blower 21, which can be by PLC controller, in some alternative embodiments is controlled, PLC control
The work and operation of device processed control electrical equipment are referred to the description in related art, in the embodiment of the present application not to this
It repeats again.
It is continuous anti-to control the time of aerobic-hypoxia response by the control between ratio exposing the stopping time in present embodiment
It answers, organic matter and total nitrogen and total phosphorus in effective decontaminated water out；Improve the treatment effeciency to sewage；Also, in sewage water
When matter fluctuation is larger, treatment effeciency to guarantee sewage can be compared between the stopping time by adjusting exposing, avoid increase processing equipment or
The case where extending the processing time occurs.
Referring to shown in Fig. 2, in some optional embodiments, aerobic zone 12 also has stripping reflux device 50, and air lift is returned
The import 51 of stream device 50 extends to the bottom of aerobic zone 12, and stripping reflux device 50 is connected by gas pipeline 22 and blower 21
It is logical；The outlet of stripping reflux device 50 and the connection of anaerobic zone 11.
In some alternative embodiments, the appendix of the gas pipeline 22 of gas reflux apparatus 50 and aerator 40
Road 22 is same gas pipeline 22, in this way, realizing the stripping reflux to activated sludge while being aerated to aerobic zone 12, is protected
The activated sludge concentration of anaerobic zone 11 has been demonstrate,proved, so that the continuous processing to sewage be effectively ensured, has improved sewage treating efficiency；
Meanwhile stripping reflux device 50 and aerator 40 are connected on same blower 21 by same gas pipeline 22, reduce wind
The use of machine 21 reduces the occupied area of equipment.Certainly, in some alternative embodiments, stripping reflux device 50 with
Aerator 40 can also use two different blowers 21 respectively, be not specifically limited in this embodiment in the present embodiment.
In specific implementation, the caliber of the return line of stripping reflux device 50 is greater than the caliber of gas pipeline 22, in wind
When machine 21 is run, blower 21 passes through the gas injection into return line of gas pipeline 22, and the mud mixture in aerobic zone is with air lift
Into return line, so that anaerobic zone 11 is returned to, it is few due to being had in the mud mixture of reflux at the top of anaerobic zone 11
Gas is measured, local aerobic area can be formed at the top of anaerobic zone 11, anaerobism-and oxygen reaction has been effectively ensured.
Referring to shown in Fig. 3 to Fig. 5, in some alternative embodiments, device for separating mud and water 100, including first shell
110 and the second shell 120 that is arranged in first shell 110；The inner sidewall of first shell 110 and the outside of second shell 120
There is first passage 130 between wall；The top of first shell 110 has inlet 140；First shell 110 and second shell 120
Bottom there is sewage draining exit 150, be provided with three phase separation mechanism 160 at sewage draining exit 150；The top of second shell 120 has
Liquid mouth 170, the level height of liquid outlet 170 are less than or equal to the level height of inlet 140.
Referring to Figure 5, in some alternative embodiments, second shell 120, which can be, is arranged in first shell 110
The both ends of interior isolation baffle plate, isolation baffle plate are connect with the inner sidewall of first shell 110, thus in the inside of first shell 110
It is partitioned into first passage 130；In some alternative embodiments, second shell 120 can be an isolation baffle plate, for example,
It, can be only first when inlet 140 is provided only on certain side side wall of first shell 110 in some concrete application scenes
One isolation baffle plate is set inside shell 110, at this point, side of the isolation baffle plate far from inlet 140 is arranged in liquid outlet 170.
In other optional embodiments, for example, first shell 110 be cylindrical housings when, inlet 140 can be setting exists
It, can by the way that inlet 140 is arranged on 110 top of first shell, one week side wall on one week side wall on 110 top of first shell
Guarantee the uniformity of feed liquor, at this point, second shell 120 is also possible to the cylindrical housings being coaxially disposed with first shell 110；The
The gap having between one shell 110 and second shell 120 is first passage 130.Specifically, referring to shown in Fig. 2, sewage from into
Liquid mouth 140 enters first passage 130, flows downward in first passage 130, and under the increase of liquid level, liquid level increases, from the
The liquid outlet 170 on two shells, 120 top is discharged.In other specific embodiments, second shell 120 is also possible to multiple
Isolation baffle plate has first passage 130 between multiple isolation baffle plates and first shell 110.
In present embodiment, device for separating mud and water 100 is placed in aerobic zone 12, and sewage is aerated in aerobic zone 12
When, due to the aerator 400 of bottom setting, the density ratio water of air-water mixture is small, and mud mixture is with the gas in aeration
Bubble rises, most of to be isolated in outside aerobic zone 12 by three phase separation mechanism when touching three phase separation mechanism, and divides from muddy water
The inlet 140 of 110 top of first shell setting from device 100 enters in first passage 130, in first passage 130
Due to also carrying a small amount of gas in sewage, local aerobic area domain, mud mixture are formed in first passage 130
With sufficient anaerobic-aerobic reaction can also occur while waterpower moves in first passage 130, to ensure that anoxic
With the adequacy of aerobic reaction.Also, mud mixture is in first passage 130 as waterpower moves to 130 bottom of first passage
When portion, since the sewage draining exit of 120 bottom of second shell is connected to first passage 130, the sewage in first passage 130 enters
Continue the ionized motion to second shell 120 in two shells 120, waterpower movement during, due in sewage gas by
Fade consumption, and gas is reduced, so that the sewage density in second shell 120 is greater than the sewage density in aerobic zone 12, further protects
It has demonstrate,proved sewage to be only capable of entering first passage 130 from inlet 140, without entering the from the sewage draining exit of 110 bottom of first shell
In one channel 130.In first passage 130 and second shell 120, as the water conservancy of sewage moves, the activated sludge in sewage
It is gradually separated under the effect of gravity with water, activated sludge is returned from the sewage draining exit of 110 bottom of second shell 120 and first shell
Into aerobic zone 12, avoid need to again pass by settlement treatment by the sewage that aerobic zone 12 is handled could be by activated sludge point
From the case where occur, effectively reduce the occupied area of sewage disposal device.
Referring to shown in Fig. 4 and Fig. 5, in some alternative embodiments, the middle part of second shell 120 is provided with filtering and fills out
The bed of material 180, filter packing layer 180 and the inner wall of second shell 120 are detachably connected.
Specifically, filter packing layer 180 includes: inclined plate filter mechanism, inclined tube filter mechanism, quartz in present embodiment
At least one of sand filter packing layer or active carbon filter packing layer.
In present embodiment, by the way that filter packing layer 180 is arranged in second shell 120, enter second shell in sewage
Activity when carrying out waterpower movement in 120 and upwards, due to the setting of filter packing layer 180, in 180 pairs of sewage of filter packing layer
Sludge is retained, to ensure that efficiently separating for muddy water, effectively activated sludge is deposited in aerobic zone 12, avoid through
The sewage of Air Exposure also needs the case where carrying out secondary settlement generation, effectively reduces the occupied area of sewage disposal device.
Referring to shown in Fig. 4, in some alternative embodiments, three phase separation mechanism 160 includes the gear of inverted " V " type structure
The top of gas plate 161, gas block panel 161 is connect with the inner wall of first shell 110, and first shell is extended in the bottom of gas block panel 161
110；The middle part of gas block panel 161 and the bottom of first shell 110 have the first gap 162.
Specifically, in present embodiment, gas block panel 161 can be the row with 110 bottom of first shell referring to shown in Fig. 4
Dirty mouth has the first gap 162；The setting in the first gap 162 effectively ensure that be cut in first passage 130 and second shell 120
The activated sludge stayed returns in aerobic zone 12, in this way, guaranteeing that the amount of activated sludge in aerobic zone 12 remains at a stabilization
State, improve the treatment effeciency to sewage.
Referring to shown in Fig. 4, in some alternative embodiments, the top of gas block panel 161 and the bottom of second shell 120
With the second gap 163, the second gap 163 is greater than the first gap 162.
In the present embodiment, due to containing in the air content in the sewage in second shell 120 lower than sewage in aerobic zone 12
Tolerance, the density of sewage is greater than the density of sewage in aerobic zone 12 in second shell 120；Second gap 163 is set greater than
First gap 162；It so, it is possible to guarantee that the sewage in first passage 130 smoothly enters from the sewage draining exit of 120 bottom of second shell
To the inside of second shell 120；Also, since the second gap big 163 is greater than the first gap 162, the sewage in first passage 130
Flow velocity when in into second shell 120 is gentle, and the activated sludge settled inside second shell 120 not will receive biggish disturb
It is dynamic, it ensure that effective sedimentation of activated sludge in second shell 120.
In some alternative embodiments, the width of 161 bottom of gas block panel is greater than the width of sewage draining exit 150, so that gear
161 bottom margin of gas plate exceeds the edge of sewage draining exit 150.
Specifically, the bottom width of gas block panel 161 can refer to the opening direction of inverted " V " type in Fig. 4 referring to shown in Fig. 4
Width, the width of sewage draining exit 150 can specifically refer to the width of 110 bottom blow-down mouth 150 of first shell.Present embodiment
In, the bottom margin of gas block panel 161 is arranged to the edge beyond sewage draining exit 150；In this way, when being aerated in aerobic zone 12, energy
Enough activated sludge for reducing bubble carrying as far as possible enter in first passage 130 from sewage draining exit 150, ensure that first passage
Effective progress that anaerobic-aerobic reacts in 130.
Referring to shown in Fig. 3 to Fig. 5, in some alternative embodiments, liquid outlet 170 includes overflow launder 171, overflow launder
171 connect with the inner wall of first shell 110 or second shell 120.
Specifically, referring to shown in Fig. 3 or Fig. 5, when 110 global shape of first shell is cuboid housing, overflow launder 171
It can be set in second shell 120；And 171 entirety of overflow launder can be arranged along the length direction of first shell 110.Certainly,
In some alternative embodiments, when such as first shell 110 is cylindrical body, second shell 120 is also possible to cylindrical body, this
When, overflow launder 171 can be arranged along the diametrical direction of first shell 110 or second shell 120；It is understood that another
In a little optional embodiments, overflow launder 171 is also possible to the cylindrical body overflow launder being coaxially disposed with second shell 120.This implementation
The concrete shape of overflow launder 171 is not specifically limited in mode.
Referring to shown in Fig. 3 or Fig. 5, in some alternative embodiments, the top of overflow launder 171 is lacked with multiple overflows
Mouthful.
Specifically, controllable register has can be set in overflow indentation, there in some specific application scenarios, controllable register exists
It is connect on vertical direction with the side walls of overflow launder 171；In this way, overflow can be controlled by adjusting the height of controllable register
Amount, to guarantee waterpower residence time of the mud mixture in second shell 120.The sedimentation of activated sludge is effectively ensured.
Referring to shown in Fig. 3 or Fig. 5, in some alternative embodiments, liquid outlet 170 further includes second channel 172, the
The one end in two channels 172 is connected to the bottom of overflow launder 171；The other end of second channel 172 and extend to first shell 110
Outside.
By being arranged second channel 172 in the bottom of overflow launder 171 in present embodiment, and second channel 172 and outer
Clear liquid in overflow launder 171 can be discharged in time, guarantee the continuity of entire sewage treatment process by the connection of portion's equipment.It needs
Illustrate, in some alternative embodiments, second channel 172 is also possible to be connected to the side wall of overflow launder 172.When
When two channels 172 are connected to the side wall of overflow launder 171, the horizontal highest point of second channel 172 is lower than 171 top overflow of overflow launder
The minimum point of notch.
Referring to shown in Fig. 3 or Fig. 5, in some alternative embodiments, inlet 140 has multiple, multiple inlets
140 level height is identical.
In present embodiment, by the way that multiple inlets 140 are arranged side by side, ensure that entire sewage treatment process to sewage at
The treating capacity of reason, meanwhile, it is steady in first passage 130 that the setting of multiple inlets 140 guarantees that the sewage in aerobic zone 12 enters
The adequacy of the anaerobic-aerobic reaction in first passage 130 has been effectively ensured in qualitative and uniformity.
Referring to shown in Fig. 2, in some alternative embodiments, sewage disposal system further include:
Chlorination equipment 60, chlorination equipment 60 are connected to second channel 172, to carry out disinfection to sewage.
In some alternative embodiments, chlorination equipment 60 includes ultraviolet ray disinfector, ozone generator, chlorine dioxide
At least one of generator.
In present embodiment, second channel 172 is connected to chlorination equipment, can directly be disappeared to treated sewage
Poison meets sewage treatment discharge standard, ensure that the continuity to sewage treatment.
A kind of sewage disposal system provided by the invention, comprising: reaction clarifier-tank 10 reacts active in clarifier-tank 10
Sludge and biologic packing material；In reaction clarifier-tank 10 anaerobism or aerobic reaction occur for sewage, to remove the organic matter in sewage, total
Nitrogen and total phosphorus；Control room 20, control room 20 is interior to have blower 21, and blower 21 is connected by gas pipeline 22 with clarifier-tank 10 is reacted
It is logical, and control the oxygen content of sewage and exposure in reaction clarifier-tank 10 and stop comparing；Device for separating mud and water 100, device for separating mud and water 100
In in reaction clarifier-tank 10, device for separating mud and water 100 is used to separate the activated sludge and sewage in reaction clarifier-tank 10.In this way,
The exposure for reacting aeration time in clarifier-tank 10 by 21 pairs of blower stops than controlling, so that larger fluctuation occur in sewage quality
When, it by the change of ratio between the exposure stopping time can guarantee that sewage is effectively treated, avoid the need for increasing sewage disposal device,
Expand occupied area or occur the case where extending the processing time, effectively reduces the occupied area of sewage disposal device, improve
Sewage treating efficiency；Device for separating mud and water 100 is further set in reaction clarifier-tank 10, after reacted clarifier-tank 10 reacts
Sewage realizes the separation of activated sludge and sewage in device for separating mud and water 100, eliminates the setting of secondary settling tank, reduces sewage
The occupied area of processing equipment；Meanwhile the separation of activated sludge and sewage is realized in reaction clarifier-tank, it ensure that reaction purification
The concentration of activated sludge in pond 10, improves the efficiency to sewage treatment.
After adopting the above technical scheme, sewage disposal system provided by the present application achieves as follows compared with the relevant technologies
Technical advantage:
1, A2O, MBBR, SBR technique is highly integrated, while it being put into device for separating mud and water in aerobic zone, by reaction zone, separation
Area, settling zone high integration, system flow is succinct, structures are few, electromechanical equipment is few, can greatly save land used and investment running cost
With.
2, using continuum micromeehanics, it is interrupted the method for operation of aeration, system has both anaerobism and oxygen, aerobic multi-efficiency, realizes
The efficient removal of organic matter, ammonia nitrogen, total nitrogen and total phosphorus etc..
3, biochemical reaction zone and settling zone clever structure are designed, oneself of sludge is realized by gas-liquid-solid three-phase separator
Reflux forms the microorganism crown_interception of equivalent MBR film in the case where not needing and carrying out sludge reflux using power, so that
It can be kept always in reactor higher activated sludge concentration (MLSS > 6000mg/L), while use hydraulic detention time
With the separation of sludge retention time, the high efficiency of biochemical system ensure that.
4, collect activated sludge and biofilm and the whole body, system microorganism concn is high, and capacity of resisting impact load is strong, is discharged water
Matter is high and stablizes, and Effluent criteria is better than level-one (A) standard.
5, energy-saving using intermittent aerating, unpowered infinite reflux.Anaerobism and anoxic microorganism is made full use of to make simultaneously
With demand of the reduction biodegrade to oxygen.Compared with traditional handicraft, operating cost reduces by 30% or more.
6, MSBBR is highly integrated, and reaction, precipitation integral, system sludge concentration is high, and volumetric loading is big, and is not necessarily to two
Heavy pond.Occupied area is few, reduces investment outlay.
7, the technology modulesization design, and are easy to transport, installation, and the construction period is short, and later period increment dilatation is convenient.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of sewage disposal system characterized by comprising
React clarifier-tank, active sludge and biologic packing material in the reaction clarifier-tank；The sewage is purified in the reaction
Anaerobism or aerobic reaction occur in pond, to remove organic matter, total nitrogen and the total phosphorus in the sewage；
Control room, the control room is interior to have blower, and the blower reacts clarifier-tank connection with described by gas pipeline, and controls
The oxygen content of sewage and exposure in the reaction clarifier-tank is made to stop comparing；
Device for separating mud and water, the device for separating mud and water are located in the reaction clarifier-tank, and the device for separating mud and water is for dividing
From the activated sludge and sewage in the reaction clarifier-tank.
2. sewage disposal system according to claim 1, which is characterized in that the reaction clarifier-tank includes that anaerobic zone is become reconciled
Oxygen area has partition wall between the anaerobic zone and the aerobic zone, the lower part of the partition wall has water distributing pore, the anaerobic zone
Sewage enters the aerobic zone by the water distributing pore；The lower part of the anaerobic zone has plug flow device, the plug flow device position
In the opposite side of the water distributing pore；The plug flow device pushes the sewage of the anaerobic zone and activated sludge to the water distribution
Hole.
3. sewage disposal system according to claim 2, which is characterized in that the biologic packing material includes that anaerobic organism is filled out
Material, the anaerobic organism filler are located in the anaerobic zone, and the sewage inlet of the reaction clarifier-tank is located at the anaerobic zone.
4. sewage disposal system according to claim 2, which is characterized in that the bottom of the aerobic zone has aeration dress
It sets, the aerator is connected to by the gas pipeline with the blower, is aerated with the sewage to the aerobic zone；Institute
It states between the exposure stopping time of aerobic zone aeration than for 3:1 ~ 6:1.
5. sewage disposal system according to claim 2, which is characterized in that the aerobic zone also has stripping reflux dress
It sets, the import of the stripping reflux device extends to the bottom of the aerobic zone, and the stripping reflux device passes through gas pipeline
It is connected to the blower；The connection of the outlet and the anaerobic zone of the stripping reflux device.
6. sewage disposal system according to claim 1, which is characterized in that the device for separating mud and water includes first shell
With setting in the intracorporal second shell of the first shell；The lateral wall of the inner sidewall of the first shell and the second shell it
Between have first passage；The top of the first shell has inlet；The bottom of the first shell and the second shell
With sewage draining exit, three phase separation structure is provided at the sewage draining exit；The top of the second shell have liquid outlet, it is described go out
The level height of liquid mouth is less than or equal to the level height of the inlet.
7. sewage disposal system according to claim 6, which is characterized in that be provided with filtering in the middle part of the second shell
Packing layer, the filter packing layer and the inner wall of the second shell are detachably connected.
8. sewage disposal system according to claim 6, which is characterized in that the liquid outlet includes:
Overflow launder, the overflow launder are connect with the inner wall of the first shell or the second shell；
Second channel, one end of the second channel are connected to the bottom of the overflow launder；The other end of the second channel with
It extends to outside the first shell.
9. sewage disposal system according to claim 8, which is characterized in that the sewage disposal system further include:
Chlorination equipment, the chlorination equipment are connected to the second channel, to carry out disinfection to the sewage.
10. sewage disposal system according to claim 9, which is characterized in that the chlorination equipment includes disinfection by ultraviolet light
At least one of device, ozone generator, chlorine dioxide generator.
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| CN201910730820.9A CN110451722A (en) | 2019-08-08 | 2019-08-08 | A kind of sewage disposal system |
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