CN207760190U - Processing unit for domestic sewage in rural areas denitrogenation dephosphorizing - Google Patents
Processing unit for domestic sewage in rural areas denitrogenation dephosphorizing Download PDFInfo
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- CN207760190U CN207760190U CN201721601070.8U CN201721601070U CN207760190U CN 207760190 U CN207760190 U CN 207760190U CN 201721601070 U CN201721601070 U CN 201721601070U CN 207760190 U CN207760190 U CN 207760190U
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Abstract
The utility model discloses a kind of processing units for domestic sewage in rural areas denitrogenation dephosphorizing comprising has regulating reservoir, sewage pump, biochemical reaction tank, clear water reserviors, sludge pump, wind turbine aerating system, chlorination equipment, efflux pump and robot control system(RCS).Coarse rack, fine fack are disposed with close at sewage inlet in regulating reservoir, sewage pump is fixedly mounted on the interior bottom of regulating reservoir, the water distributor of bottom in pipeline connection biochemical reaction tank, the top of biochemical reaction tank is passed through connects out slot by the structure of downflow weir, is connected to clear water reserviors at the top of effluent trough；Wind turbine aerating system is separately connected the aeration head for being located at bottom in regulating reservoir and biochemical reaction tank by aerated conduit；Sludge pump is connected to the interior bottom of biochemical reaction tank by sludge pipe；Exhaust apparatus is an exhaust tube, is directly fixedly mounted on the top of biochemical reaction tank and clear water reserviors, the sterilized device of water inside clear water reserviors and the output of exclusive pump.
Description
Technical field
The utility model is related to a kind of sewage-treatment plants, specifically, being related to a kind of for domestic sewage in rural areas denitrogenation
Dephosphorization processing unit.
Background technology
Since life in the countryside custom and underground water and rainwater carry out sewage disposal system by sewage collecting pipe network, cause to have
Machine object (i.e. carbon source) concentration is low, nitrogen phosphorus is exceeded (cannot meet C：N：P=100:5:1 i.e. C/N<20, C/P<100), nitrogen, phosphorus
The exceeded eutrophication that can accelerate water body of element brings great harm to the livable living environment of rural resident.The battalion such as nitrogen, phosphorus
The raising for supporting substance, can cause algal bloom, heavy then cause wawter bloom or red tide phenomenon, and wherein phosphorus plays key work again
With.Therefore, the content for how reducing Phosphorus in Domestic Wastewater with Pulverized even is eliminated pollution to reduction, and environmental protection builds beautiful new agriculture
Village is of great significance.
In current rural domestic sewage treatment process, since carbon source is low, most techniques can only organics removal and
Ammonia nitrogen, and nitric efficiency is low, and the removal rate of phosphorus is then lower.Conventional biological carbon and phosphorous removal method mainly has AAO
(Anaerobic-Anoxic-Oxic, referred to as anaerobic- anoxic- oxic method), bio-contact oxidation, biological aerated filter, SBR (sequences
Row intermittent activated sludge process, full name in English are Sequencing Batch Reactor Activated Sludge
The techniques such as Process).AAO methods are most conventional domestic sewage processing methods, and municipal sewage plant's application at present is most
A kind of denitrification dephosphorization technique, due in AAO techniques nitrifier, denitrifying bacterium and polyP bacteria in organic loading, sludge age and carbon source
There are contradictions and competition in demand, it is difficult to reach the higher removal rate of nitrogen, phosphorus simultaneously, and dynamic equipment is more, high energy consumption；Biological
Oxidizing process has the characteristics of activated sludge process and biofilm concurrently, and biological contact oxidation process does not need sludge reflux, no sludge bulking
Problem and used by industry, but due to filling a large amount of filler in pond, repair is cumbersome, and filler is easy aging, front end
SS contents are relatively low in treated sewage, and the carrier of biomembrane fixation is less, causes biomembrane proportion smaller, are easy demoulding, tool
There is denitrification ability, but the removal rate of phosphorus is very low, needs that chemical phosphorus removal method is taken to be supplemented.Biological aerated filter is by dripping
Filter tank develops, and is one kind of biofilm technology, and major defect requires the SS in raw water to be less than 100mg/L, preferably
SS is less than 60mg/L, and biofilter material is otherwise caused to block and be not normally functioning；In addition, the removal rate of biological aerated filter phosphorus
It is low, it is also desirable to chemical treatment method be taken to be removed.SBR methods, that is, sequencing batch reactor, the aeration tanks Fa Ji sink
Shallow lake pond is integrated, continuum micromeehanics, intermittent aerating, and supernatant is suppressed out in settlement of sewage when stopping the supple of gas or steam, and is a cycle.It is heavy that SBR methods are not set
Shallow lake pond, no sludge reflux equipment, anaerobism in pond, it is aerobic be in alternating state, from the time, air-teturning mixed phenomenon, purification is not present
Effect is good；But SBR intermittent duties need to set multiple processing units, water inlet and aeration mutually switching, and drain and need water decanter,
Equipment price is expensive.
Country continuing surely into the blueprint for promoting this beautiful rural mansion, improve rural people's Easy Living Envi-ronment.
Handling the technology of domestic sewage in rural areas, also a hundred flowers blossom, these technologies are all to apply mechanically the technique of municipal wastewater treatment plant, or directly handle
External product is introduced.Although both ways accelerate the paces of domestic sewage in rural areas improvement to a certain extent, do not have
Consider the actual conditions of Chinese countryside, water quality and quantity Four seasons change is larger, this effluent quality for resulting in most of equipment cannot
Reach requirement, wherein being primarily referred to as total phosphorus and total nitrogen two indices, even if some techniques are not up to standard in order to make up water outlet total phosphorus, adopts
With the method for chemical dephosphorization, but operating cost is not only increased using chemical dephosphorization, and the chemical sludge generated belongs to danger
It is useless, increase sludge treatment expense.
The characteristics of characteristic for domestic sewage in rural areas and current various methods, develop a set of suitable country sewage water quality and
Water and the low sewage treatment process of operating cost, and effluent quality reaches level-one A and each row in GB18918-2002
The project that practitioner and scholars study always.
Utility model content
The purpose of this utility model is to be directed to above-mentioned present situation, provides a kind of being suitable for domestic sewage in rural areas feature, that is, exists
In the case of carbon source relative deficiency, not only there is efficient degradation organic matter, high-efficient denitrification and dephosphorization ability, and operating cost is low
Rural domestic sewage treating device.
The utility model be used for domestic sewage in rural areas denitrogenation dephosphorizing processing unit, include regulating reservoir, sewage pump,
Biochemical reaction tank, clear water reserviors, sludge pump, wind turbine aerating system, chlorination equipment, efflux pump and robot control system(RCS),
Set gradually close at sewage inlet in the regulating reservoir be useful for removing bulky grain sundries, hair coarse rack,
Fine fack, the sewage pump are fixedly mounted on the interior bottom of the regulating reservoir, are connected in the biochemical reaction tank through pipeline
The water distributor of bottom, all biochemical reactions are all completed in the biochemical reaction tank；
The top of the biochemical reaction tank is passed through connects effluent trough by the structure of downflow weir, at the top of the effluent trough with it is described
Clear water reserviors are connected to；
The wind turbine aerating system is separately connected by aerated conduit to be located in the regulating reservoir and the biochemical reaction tank
The aeration head of bottom；
The sludge pump is connected to the interior bottom of the biochemical reaction tank by sludge pipe；
Exhaust apparatus is an exhaust tube, is directly fixedly mounted on the top of the biochemical reaction tank and the clear water reserviors, directly
Lead to air in succession；
Water inside the clear water reserviors is exported through the chlorination equipment and the exclusive pump.
The water distributor includes more and is arranged in parallel with pipeline, and the small of a diameter of 3~10mm is provided on every pipeline
Hole, the sewage fluidised form flowed out into water distributor from the water distributor aperture are in laminar condition, and Re≤1500.
The trepanning mode of the aperture is opened up for 15~60 ° obliquely downward along pipeline pipe axis.
The bottom of the effluent trough offers the sludge outlet being connected to the biochemical reaction tank.
Sludge in the biochemical reaction tank is expelled to sludge-tank by the sludge pump, and connection is provided in the sludge-tank
The aeration head of wind turbine aerating system.
The aeration head of bottom is located at the top of the water distributor in the biochemical reaction tank.
The advantages of the utility model and effect are：
Using unique water intake mode, drained using laminar flow principle, instead of the water decanter of traditional SBR system,
Operation and maintenance cost is saved.
Using period timing control, joined according to the operation in each stage in the water quality and quantity adjustment of features cycle of operation and period
Number, improves sewage treating efficiency, big to water quality and quantity adaptability, and controls flexible.
It is combined using denitrification and biological reinforced denitrogenation dephosphorizing, solves that carbon source in domestic sewage in rural areas is insufficient to ask
Topic.
Using denitrification and reinforced phosphor-removing, dephosphorization efficiency is high, and the removal rate of total phosphorus (TP, total phosphorus) reaches
95% or more, effluent quality reaches the level-one A in GB18918-2002.
All biochemical reactions carry out in a pond, save equipment cost.And all microorganisms co-exist in a pond
Friendly Xiang Cun, and in water inlet, sewage and all microorganisms all carry out intimate contact, and treatment effeciency is high.
Description of the drawings
Fig. 1 is the process flow diagram of the processing method for domestic sewage in rural areas denitrogenation dephosphorizing in the utility model.
Fig. 2 is the structural schematic diagram of the processing unit for domestic sewage in rural areas denitrogenation dephosphorizing in the utility model.
Fig. 3 is the schematic top plan view of the processing unit for domestic sewage in rural areas denitrogenation dephosphorizing in the utility model.
Fig. 4 is the schematic cross-section in water distributor pipeline in the utility model.
Specific implementation mode
It elaborates to specific embodiment of the utility model below in conjunction with attached drawing.
As shown in Figure 1, the processing unit in the utility model for domestic sewage in rural areas denitrogenation dephosphorizing includes regulating reservoir
1, sewage pump 2, wind turbine aerating system 3, biochemical reaction tank 4, clear water reserviors 5, sludge pump 6, sludge-tank 7, robot control system(RCS) 8, row
Device of air 9, chlorination equipment 10 and efflux pump 11 and corresponding pipeline meter system.
As shown in Figures 2 and 3, coarse rack 12, fine fack 13 are disposed with close at sewage inlet in regulating reservoir 1,
The large-sized objects such as sundries, hair for removing bulky grain.To keep water quality in regulating reservoir 1 uniform, it is equipped with and stirs in regulating reservoir 1
Machine is mixed, the regulating water quality by way of stirring can also be connected to wind turbine aerating system 3 by pipeline, will be in wind turbine aerating system 3
Air introduce regulating reservoir 1 in, in regulating reservoir 1 carry out intermittent aerating stirring method carry out, keep the water quality of sewage fully equal
It is even.
Sewage pump 2 is fixedly mounted on the interior bottom of regulating reservoir 1, and the cloth inside biochemical reaction tank 4 is connected through pipeline 14
Hydrophone 40, water distributor 40 include more and are arranged in parallel with pipeline 42, and the small of a diameter of 3~10mm is provided on every pipeline 42
Hole 41, as shown in figure 4, for make sewage uniformly, slowly flow into biochemical reaction tank 4, make aperture 41 flow out fluidised form be in layer
The trepanning mode of stream mode, and reynolds number Re≤1500, aperture 41 is along 15~60 ° obliquely downward of 42 pipe axis of pipeline, between trepanning
Away from 10~15mm equal and spaced apart, 25~200mm of bottom of pond of the axial line distance biochemical reaction tank 4 of pipeline 42.
The top of biochemical reaction tank 4 is connected to clear water reserviors 5, and is made inside biochemical reaction tank 4 by the structure of downflow weir
Water is first into the effluent trough 50 at 4 top of biochemical reaction tank, then is entered in clear water reserviors 5 from effluent trough 50, effluent trough 50
Bottom be provided with the sludge outlet being connected to biochemical reaction tank 4, when making Air Exposure inside biochemical reaction tank 4, part is dirty
Mud can also enter effluent trough 50, be fallen back in biochemical reaction tank 4 by sludge outlet after quiescent setting in effluent trough 50.
Wind turbine aerating system 3 is fixedly mounted on the side of clear water reserviors 5, is connected in biochemical reaction tank 4 by aerated conduit 31
Aerated conduit 31 inside the aeration head 30 of bottom, aeration head 30 and biochemical reaction tank 4 is located at the top of water distributor 40, in automatic control
It, can be at regular time and quantity toward 4 inside input air of biochemical reaction tank or oxygen under the control of system 8.
Sludge pump 6 is also fixedly mounted on the side of clear water reserviors 5, and the interior bottom of biochemical reaction tank 4 is connected to by sludge pipe 60
Sludge in biochemical reaction tank 4 regularly can be discharged to sludge-tank 7 using sludge pump 6, is also equipped in sludge-tank 7 by portion
It is connect aeration head with wind turbine aerating system 3, even energy is controlled by control system 8, then regularly sent sludge to dirt by suction mud tank car
Mud treatment plant is handled.
Exhaust apparatus 9 is an exhaust tube, is directly fixedly mounted on the top of biochemical reaction tank 4 and clear water reserviors 5, will be biochemical anti-
The gas inside pond 4 and clear water reserviors 5 is answered to be directly discharged into air.
Chlorination equipment 10 and exclusive pump 11 are respectively mounted the side for being fixed on clear water reserviors 5, are connected to inside clear water reserviors 5, by clear water
Sterilized 10 heel row of device of clear water in pond 5 goes out to use.Certain efflux pump 11 can not also use, and can utilize gravity principle,
Directly the clear water in clear water reserviors 5 is discharged.
Processing unit in the utility model is by wind turbine aerating system 3, sludge pump 6, sludge-tank 7, robot control system(RCS) 8, exhaust
Device 9, chlorination equipment 10 and efflux pump 11 and corresponding pipeline meter system are respectively mounted the side canyon for being fixed on clear water reserviors 5
In 51, biochemical reaction tank 4, clear water reserviors 5 and canyon are then disposed proximate to, and in same pond body, convenient for detection, repair, and
Floor space can be saved.
Processing unit in the utility model for domestic sewage in rural areas denitrogenation dephosphorizing executes according to the following steps, can be effective
Solve the sewage handling problem in rural area.
Entire processing procedure is controlled by robot control system(RCS) 8 so that and whole device makees sort run when the period, that is, press in/drain-
Static-anaerobic-aerobic is the when sort run of a cycle.The detailed process in each period is：
1, the collection of sanitary sewage, water homogenization
Regulating reservoir 1 is entered to from being collected in each villager family after the sanitary sewage come is collected by sewage network, in regulating reservoir 1
Interior sundries, the hair etc. that bulky grain is removed through coarse rack 12, fine fack 13.And to water in regulating reservoir 1, water quality is adjusted
Sanitary sewage, after keeping water, water quality uniform, is promoted in biochemical reaction tank 4 by section by sewage pump 2.
In order to keep the water quality in regulating reservoir 1 more uniform, blender can be installed in regulating reservoir 1, it can also be by wind turbine
Air in aerating system 3 introduces in regulating reservoir 1, but need to carry out in regulating reservoir 1 intermittent aerating, stirring method into
Row, stirring, the time of aeration and interval length are set by robot control system(RCS) 8, and are adjusted.
2, degradation of organic substances and denitrogenation dephosphorizing
All processes of the step are all completed in a biochemical reaction tank 4, are controlled and are completed by control system 8.Specific packet
Following steps are included：
2.1 water inlets/drain step
Sewage pump 2 enters in the water distributor 40 of bottom in the sewage lifting in regulating reservoir 1 to biochemical reaction tank 4
Sewage in water distributor 40 presses laminar condition by aperture 41, and the form outflow of reynolds number Re≤1500, i.e. sewage it is uniform,
The activated sludge layer in 4 bottom of reaction biochemistry pool is slowly flowed into, according to hydromechanical laminar flow principle, in the same of water inlet
When, the supernatant of previous cycle, which passes through after the import weir gate at the top of biochemical reaction tank 4 imports effluent trough 50, to be discharged into clear water reserviors 5,
Complete water inlet/drain step.
The sanitary sewage entered by aperture 41 during water inlet/drain step stays in biochemical reaction tank 4 with previous cycle
The activated sludge of bottom contacts, and hypoxia response, nitrate/nitrous of the previous cycle in sludge blanket occur in rigid fill phase
Hydrochlorate constantly flows into sewage with the latter period, and carries out anti-nitration reaction with the COD in sewage, i.e. denitrifying bacterium carries out anti-nitre
Change reaction and completes denitrification reaction；With the progress that the extension of quiescent time and denitrification denitrogenation react, oxygen in biochemical reaction tank 4
Concentration is lower and lower, until the oxygen concentration in biochemical reaction tank 4 is down to 0.2mg/L, reacts in 4 base sludge layer of biochemistry pool
Nitrate anion forms anaerobic environment after denitrification, carries out anaerobic phosphorus release, i.e. polyP bacteria and Denitrifying Phosphate Accumulating Organisms starts to release at this moment
Phosphorus.
Under anaerobic, larger molecular organics are broken down into low-molecular-weight fatty acid, and Denitrifying Phosphate Accumulating Organisms (DPB) then exist
Polyphosphoric acid is decomposed under anaerobic condition and generates energy adenosine triphyosphate (ATP), and aliphatic acid is absorbed in a manner of active transport
And poly- B- hydroxybutyric acid salts (PHB) are synthesized, at the same time release orthophosphates (PO4 3-)。
2.2 resting step
After the completion of water inlet/drain step, static 15~30 minutes, this stage mainly extended quiescent time, made biochemical anti-
Ying Chizhong continuously forms anaerobic environment, carries out degradation and the anaerobic phosphorus release of organic matter.
The Denitrifying Phosphate Accumulating Organisms of 2.3 anaerobic conditions carry out denitrification nitrogen and phosphorus removal step
After the completion of static 3~10 are aerated to biochemical reaction tank by wind turbine aerating system 3, aerated conduit 31, aeration plate 30
Minute, it is a cycle to stop 5~15 minutes, and the time of this step is 60~180 minutes, is formed inside biochemical reaction tank 4
Anaerobic condition, has accumulated a large amount of poly- B- hydroxybutyric acid salts (PHB) and Denitrifying Phosphate Accumulating Organisms (DPB) enter anaerobic condition afterwards, with
Nitrate (NO3-- N) and nitrite (NO2-- N) as the electron acceptor for aoxidizing poly- B- hydroxybutyric acid salts (PHB), utilize drop
The poly- B- hydroxybutyric acid salts (PHB) of solution generate energy and provide reducing power nicotinamide adenine dinucleotide (NADH), and with
NADH+H as electronics conveyer chain carrier to exclude proton, to form proton motive force.Proton motive force is by external phosphorus
Hydrochlorate is transported in vivo, and adenosine triphyosphate (ATP) is synthesized under the action of adenosine triphyosphate (ATP) enzyme.It will
Superfluous orthophosphates (PO4 3-) aggregate into polyphosphate, the ATP that DPB is generated by electron-transport chain under anoxic conditions
More than the ATP generated under anaerobic by the phosphate in decomposer, detest so the phosphorus absorbed under anoxic conditions is more than
The phosphorus of oxygen evolution, extra phosphorus is removed by sludge discharge way, and NO3-N and NO2-N is changed into nitrous oxide gas
It is removed.
Wind turbine aerating system 3 be specifically by the compressed air of wind turbine by aerated conduit 31, aeration plate (or micropore expose
Tracheae) oxygen evolution is come out, the specific setting time should be by the dissolved oxygen content (dissolved in biochemical reaction tank 4
Oxygen, DO) value determination, the control of DO values is in 02.mg/L~0.5mg/L.
Carbon source (i.e. organic matter degradable in sanitary sewage) has played " a carbon two in denitrification dephosphorization under anaerobic condition
With " effect, both synthesized polyhydroxyalkanoate (PHA, polyhydroxyalkanoates), and also provided electricity for denitrification
Sub- donor makes full use of the carbon source in sewage to realize denitrogenation dephosphorizing.Denitrifying Phosphate Accumulating Organisms (DPB) pass through electricity under anoxic conditions
The adenosine triphyosphate (ATP) that sub- chain generates is more than to be generated under anaerobic by the phosphate in decomposer
Adenosine triphyosphate (ATP) realizes that anoxic inhales phosphorus so the phosphorus absorbed under anoxic conditions is more than the phosphorus of anaerobism release
Purpose.
2.4 aerobic stage
After the completion of anoxic phases, biochemical reaction tank 4 enters aerobic stage, passes through 3 continuous aeration of wind turbine aerating system, aeration
Time is 30~120 minutes, and the DO values in biochemical reaction tank 4 is made to control in 1~8mg/L.In this stage, the COD in sewage is obtained
To further degradation, nitrification occurs for nitrifier and aerobic phosphorus absorption, and stripping nitrous oxide and nitrogen occur for polyP bacteria, protects
It demonstrate,proves the settling property of activated sludge and activated sludge is made to regenerate；Good denitrogenation dephosphorizing can be played in next cycle to make
With.
In the step 2, sequential, and static anaerobic state is arranged by control system 8 in the control of all processes and time
Denitrification nitrogen and phosphorus removal step can decide whether to take according to the water in regulating reservoir 1, if water increases suddenly, no
It takes static, is directly entered the denitrification nitrogen and phosphorus removal step of 2.3 anaerobic conditions, quiescent phase is taken if water is few.
3, spoil disposal is handled
Pressure sludge discharging method is carried out in the aerobic stage later stage, by sludge pump 6 by anoxic in biochemical reaction tank 4 and aerobic rank
The high phosphorous activated sludge that the section later stage is formed drains into sludge-tank 7 and is stored, and by wind turbine aerating system 3 in sludge-tank 7
It is inside intermittently passed through air, prevents from forming anaerobic environment progress anaerobic phosphorus release in sludge-tank 7, the supernatant reflux of sludge-tank 7
To regulating reservoir 1, and the sludge in sludge-tank 7 is periodically sent to sludge treatment plant by suction mud tank car and is handled.
4, it sterilizes
Due to containing a large amount of bacterium (such as Escherichia coli) in domestic sewage in rural areas, for environmental protection, disease's spread is prevented,
Water inlet/draining walk suddenly the top of mesophytization reaction tank 4 clear water drain into clear water reserviors 5 after, according to the liquid level in clear water reserviors 5, start
Efflux pump 11 makes the clear water in clear water reserviors 5 be extracted out after chlorination equipment 10, is discharged.For the aquatic products for preventing in clear water reserviors 5
It begins to detest oxygen environment, the air in wind turbine aerating system 3 can be introduced clear water reserviors 5, the mode of intermittent aerating be taken to carry out.Disinfection
Device 10 can take ultraviolet ray disinfector or chlorine dioxide generator, and oxygen is drained by efflux pump 11 by the water after disinfection
Change ditch, if live height difference permission can also use gravity drainage.
Equipment running status and parameter are wirelessly transmitted to control centre of general headquarters by the control system 8 in the utility model
Monitoring system realizes that the concentration of all processing equipments in region monitors in real time.It is also possible to by equipment running status and ginseng
Number, is sent to the cell phone application of operation maintenance personnel, operation maintenance personnel is made to grasp equipment running status, flexible operation management immediately.
In conclusion by denitrification and intensified denitrification and dephosphorization, carbon source in current domestic sewage in rural areas can be effectively solved
Insufficient problem.Under conditions of low-carbon-source, dephosphorization efficiency is up to 96% or more.Its effluent quality reaches GB18918-2012
《Urban wastewater treatment firm pollutant emission standard》Level-one A standards.
And for the domestic sewage in rural areas denitrification and dephosphorization method since dynamic equipment is few, maintenance cost is low, operating cost down to
0.25 yuan/ton.
Claims (6)
1. a kind of processing unit for domestic sewage in rural areas denitrogenation dephosphorizing includes regulating reservoir (1), sewage pump (2), life
Change reaction tank (4), clear water reserviors (5), sludge pump (6), wind turbine aerating system (3), chlorination equipment (10), efflux pump (11) and automatic control
System (8), which is characterized in that
The coarse rack for being useful for removing bulky grain sundries, hair is set gradually in the regulating reservoir (1) close at sewage inlet
(12), fine fack (13), the sewage pump (2) are fixedly mounted on the interior bottom of the regulating reservoir (1), and institute is connected through pipeline
The water distributor (40) of biochemical reaction tank (4) interior bottom is stated, all biochemical reactions are all completed in the biochemical reaction tank (4)；
The top of the biochemical reaction tank (4) is passed through is connected with effluent trough (50), the effluent trough (50) by the structure of downflow weir
Top be connected to the clear water reserviors (5)；
The wind turbine aerating system (3) is separately connected by aerated conduit (31) is located at the regulating reservoir (1) and the biochemistry instead
The aeration head (30) of Ying Chi (4) interior bottom；
The sludge pump (6) is connected to the interior bottom of the biochemical reaction tank (4) by sludge pipe；
Exhaust apparatus (9) is an exhaust tube, is directly fixedly mounted on the top of the biochemical reaction tank (4) and the clear water reserviors (5)
Portion is directly connected to air；
The internal water of the clear water reserviors (5) is exported via the chlorination equipment (10) and the efflux pump (11).
2. the processing unit according to claim 1 for domestic sewage in rural areas denitrogenation dephosphorizing, which is characterized in that the cloth
Hydrophone (40) includes more and is arranged in parallel with pipeline, and the aperture (41) of a diameter of 3~10mm is provided on every pipeline, enters
The sewage fluidised form that water distributor is flowed out from the water distributor aperture is in laminar condition, and Re≤1500.
3. the processing unit according to claim 2 for domestic sewage in rural areas denitrogenation dephosphorizing, which is characterized in that described small
The trepanning mode in hole (41) is opened up for 15~60 ° obliquely downward along pipeline pipe axis.
4. the processing unit according to claim 1 for domestic sewage in rural areas denitrogenation dephosphorizing, which is characterized in that it is described go out
The bottom of sink (50) offers the sludge outlet being connected to the biochemical reaction tank.
5. the processing unit according to claim 1 for domestic sewage in rural areas denitrogenation dephosphorizing, which is characterized in that the dirt
Sludge in the biochemical reaction tank is expelled to sludge-tank (7) by dredge pump (6), and connection wind turbine is provided in the sludge-tank (7)
The aeration head of aerating system (3).
6. the processing unit according to claim 1 for domestic sewage in rural areas denitrogenation dephosphorizing, which is characterized in that the life
The aeration head (30) for changing reaction tank (4) interior bottom is located at the top of the water distributor (40).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721601070.8U CN207760190U (en) | 2017-11-24 | 2017-11-24 | Processing unit for domestic sewage in rural areas denitrogenation dephosphorizing |
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|---|---|---|---|
| CN201721601070.8U CN207760190U (en) | 2017-11-24 | 2017-11-24 | Processing unit for domestic sewage in rural areas denitrogenation dephosphorizing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109292979A (en) * | 2018-11-28 | 2019-02-01 | 重庆天星环保工程有限公司 | A kind of intermittent aerating and film biologic integration water treatment facilities |
| CN110590068A (en) * | 2019-09-27 | 2019-12-20 | 李卫星 | Sewage recycling system that district was used |
-
2017
- 2017-11-24 CN CN201721601070.8U patent/CN207760190U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109292979A (en) * | 2018-11-28 | 2019-02-01 | 重庆天星环保工程有限公司 | A kind of intermittent aerating and film biologic integration water treatment facilities |
| CN110590068A (en) * | 2019-09-27 | 2019-12-20 | 李卫星 | Sewage recycling system that district was used |
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