CN207498235U - A kind of biochemical wastewater treatment strengthening phosphorus removal system - Google Patents
A kind of biochemical wastewater treatment strengthening phosphorus removal system Download PDFInfo
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- CN207498235U CN207498235U CN201721410276.2U CN201721410276U CN207498235U CN 207498235 U CN207498235 U CN 207498235U CN 201721410276 U CN201721410276 U CN 201721410276U CN 207498235 U CN207498235 U CN 207498235U
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- wastewater treatment
- tank
- phosphorus removal
- removal system
- biochemical wastewater
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Abstract
The utility model discloses a kind of biochemical wastewater treatment strengthening phosphorus removal systems, it is made of sequentially connected reinforcing active sludge treatment unit and post-processing unit, wherein strengthen in the aerobic tank of active sludge treatment unit and be equipped with oxygen level sensor, bottom is equipped with the aeration tube that blower device under automated control is controlled, floating stuffing is distributed in pond, disinfecting tank in post-processing unit is equipped with residual chlorine sensor and control system, control system control automatic controlling gate folding；The removal rate of phosphorus in municipal sewage can be effectively improved using the utility model, realize the intelligent control to disinfecting tank water outlet chlorine residue, it is and simple in structure, save capital expenditure, other reagent chemicals need not be added, have prevented the discharge of city phosphorus-containing wastewater, improve sewage treating efficiency and economic results in society, energy-saving and emission-reduction reduce the pollution to environment.
Description
Technical field
The utility model is related to urban sewage treatment technology field, more particularly to a kind of biochemical wastewater treatment reinforced phosphor-removing
System.
Background technology
At present, after active sludge treatment, water quality substantially improves municipal sewage, but for the big sewage of phosphorus content, processing
Effect is but and not fully up to expectations, still has considerable degree of phosphorus to pollute in treated water body, and also has a large amount of germ in water,
Particularly excrement colibacillus group, potential health hazard are very big.According to the requirement of GB2002-18918 level-one B standards, fecal coliform
Group control is 104Within/L, receiving water body can be just discharged into, must be carried out disinfection thus to sewage treatment plant's biological treatment water outlet.
Liquid chlorine disinfection is current China and most of national usage history is most long in the world, the widest highest disinfection side of cost performance
Method, and its equipment Running System is very ripe, and remaining disinfectant can prevent water from existing in pipe network with continuous action, continuous disinfection
Secondary pollution is propagated in pipe network.However, after chlorination, when sewage residual chlorine amount is too high, some that can kill receiving water body are aquatic
Biology changes the composition structure of community of aquatic organism, may result in species diversity reduce, the heterologous succession of the ecosystem or even
Key species are lost, possibly even lead to ecosystem degradation.When sewage chlorination is not thorough enough, germ can be with municipal sewage
Books circulation, big propagation are carried out, infectious disease large area is easily caused to propagate.
The design of existing biochemical wastewater treatment system does not have preferable treatment effect for the big sewage of phosphorus content, does not have yet
Have in view of influence of the chlorine residue to receiving water body in disinfecting tank water outlet, disinfecting tank design is simple, and therefore, design is a kind of
Sewage that can be effectively big to phosphorus content carries out effective dephosphorization processing, and the biochemical sewage of intelligent control disinfecting tank water outlet chlorine residue
Processing system is necessary.
Utility model content
The purpose of the utility model is to overcome shortcomings of the prior art, provide a kind of biochemical wastewater treatment reinforcing and remove
Phosphorus system, this biochemical wastewater treatment strengthening phosphorus removal system can carry out municipal sewage strong effective dephosphorization processing, improve city
City's sewage treating efficiency, and phosphor-removing effect is preferable, system structure is simple, reaches sewage phosphorus content discharge standard, and realize docking
Touch the intelligent control of sterilization pool water outlet chlorine residue.
The purpose of this utility model is achieved through the following technical solutions：
A kind of biochemical wastewater treatment strengthening phosphorus removal system, including sequentially connected reinforcing active sludge treatment unit, rear place
Manage unit；
The reinforcing active sludge treatment unit is included through the sequentially connected anaerobic pond of pipeline, anoxic pond, aerobic tank, two
Heavy pond；
The post-processing unit includes parallel arrangement of contact sterilizing unit, sludge treating block；
The aerobic tank bottom is equipped with aeration tube, and oxygen level sensor, the oxygen content sensing are equipped in the aerobic tank
Device and one automatically controls blower device electric connection, and the aeration tube is controlled by the blower device that automatically controls；
Multi-level floating stuffing is distributed in the aerobic tank, the multi-level floating stuffing is polypropylene non-woven fabric material
Spherical shape floating stuffing.
Preferably, the bottom of the secondary settling tank is connected to sludge pipe and mud return line, and the mud return line is detested with described
Oxygen pond, the anoxic pond and the aerobic tank are connected.
Preferably, the aeration tube is uniformly distributed in the bottom of the aerobic tank.
Preferably, the aeration tube is type micro-pore aerator.
Preferably, the contact sterilizing unit is the contact sterilizing being connected by pipeline with the water outlet of the secondary settling tank
Pond, is equipped with multiple lateral barriers in the disinfecting tank, the external part of the transverse direction barrier and its to pool wall between set
There is automatic controlling gate；The disinfecting tank is equipped with control system, and the outlet of the disinfecting tank is equipped with residual chlorine sensor,
The control system is electrically connected with the residual chlorine sensor, the automatic controlling gate, and the control system control is described certainly
The folding of dynamic regulating gate.
Preferably, the sludge treating block is included between sequentially connected concentration basin, sludge concentration and dewatering, the concentration basin
It is connected with the sludge pipe of the secondary settling tank.
Preferably, the polypropylene non-woven fabric material spherical shape floating stuffing is MULTILAYER COMPOSITE spherical shape porous structure, respectively
For cavity structure between polypropylene non-woven layer of cloth, each polypropylene non-woven layer of cloth is porous structure, each polypropylene non-woven
It is connected between layer of cloth by several support plates.
Based on above-mentioned technical solution, the technique effect that the utility model has is as follows：
A kind of biochemical wastewater treatment strengthening phosphorus removal system provided by the utility model is handling work with reference to traditional active sludge
Practical autonomous innovation is combined on process, monitors oxygen content in aerobic tank in real time using sensor, so as to according to oxygen content in pond
Aeration tube aeration quantity is controlled to control oxygen content in aerobic tank, and good by being added directly with floating stuffing of the proportion close to water
As the active carrier of microorganism in oxygen pond, fluidized state is in by the aeration in aerobic tank and the castering action of flow,
Due to the transitivity of MULTILAYER COMPOSITE spherical shape porous structure and oxygen, the different biological species of outgrowth, interior in floating stuffing
Portion grows some anaerobic bacterias and amphimicrobe, and outside is aerobic bacteria, and each floating stuffing is made to form a small reaction vessel,
It is carried out at the same time nitration reaction, anti-nitration reaction.When microorganism is attached on floating stuffing, grow microorganism floating it is outstanding
Floating filler is moved freely with the convolution inverting action of municipal sewage, and municipal sewage phosphorus content degree for the treatment of is improved so as to reach
Purpose.
In addition, by the way that residual chlorine sensor is set to monitor the water body contents of residual chlorine that disinfecting tank exports automatically,
When residual chlorine sensor monitors that water body contents of residual chlorine is more than threshold values, control system sends out instruction control automatic controlling gate and is closed,
Extend residence time of the water body in pond, until the contents of residual chlorine side of complying with standard is discharged, effectively improve municipal sewage treatment
Efficiency and economic results in society are realized the intelligent control to disinfecting tank water outlet chlorine residue and energy-saving and emission-reduction, are reduced to environment
Pollution.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model biochemical wastewater treatment strengthening phosphorus removal system 10；
Fig. 2 is the schematic diagram of aerobic tank in the utility model；
Fig. 3 is the schematic diagram of contact sterilizing unit in the utility model；
Fig. 4 is the top plan view of polypropylene non-woven fabric material spherical shape floating stuffing in the utility model.
Reference sign：
11st, strengthen active sludge treatment unit；12nd, post-processing unit；111st, anaerobic pond；112nd, anoxic pond；113rd, it is aerobic
Pond；114th, secondary settling tank；121st, contact sterilizing unit；122nd, sludge treating block；1131st, aeration tube；1132nd, oxygen content senses
Device；1133rd, blower device is automatically controlled；1134th, multi-level floating stuffing；1141st, sludge pipe；1142nd, mud return line；
1211st, disinfecting tank；1212nd, lateral barrier；1213rd, automatic controlling gate；1214th, control system；1215th, chlorine residue senses
Device；1221st, concentration basin；1222nd, between sludge concentration and dewatering.
Specific embodiment
For the ease of understanding the utility model, the utility model is more fully retouched below with reference to relevant drawings
It states.The better embodiment of the utility model is given in attached drawing.But the utility model can come in many different forms
It realizes, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that make new to this practicality
The more thorough and comprehensive that the disclosure of type understands.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model
The normally understood meaning of technical staff in domain is identical.It is only in the term used in the description of the utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term as used herein " and/or " packet
Include the arbitrary and all combination of one or more relevant Listed Items.
As shown in Figure 1, the schematic diagram of the biochemical wastewater treatment strengthening phosphorus removal system for one embodiment of the utility model, this reality
Apply a kind of biochemical wastewater treatment strengthening phosphorus removal system 10 of example, including sequentially connected reinforcing active sludge treatment unit 11, after
Processing unit 12；
Strengthen active sludge treatment unit 11 to include through the sequentially connected anaerobic pond 111 of pipeline, anoxic pond 112, aerobic
Pond 113, secondary settling tank 114；
Post-processing unit 12 includes parallel arrangement of contact sterilizing unit 121, sludge treating block 122；
As shown in Fig. 2, the schematic diagram for aerobic tank 113,113 bottom of aerobic tank is equipped with aeration tube 1131, in aerobic tank 113
Equipped with oxygen level sensor 1132, oxygen level sensor 1132 automatically controls blower device 1133 with one and is electrically connected, and supervises in real time
Oxygen content in aerobic tank 113 is surveyed, and is transmitted to and automatically controls blower device 1133,1131 air blast under automated control of aeration tube dress
It puts 1133 to be controlled, oxygen content in aerobic tank 113 is controlled by the aeration quantity for controlling aeration tube 1131 in aerobic tank 113
System；
Multi-level floating stuffing 1134 is distributed in aerobic tank 113, multi-level floating stuffing 1134 is polypropylene non-woven fabric
Material spherical shape floating stuffing.
The technological parameter for strengthening active sludge treatment unit 11 is：The pH value of anaerobic pond 111 is 6.0~8.0, dissolved oxygen DO
<0.2mg/L, hydraulic detention time 1.5h；The pH value of anoxic pond 112 is 7.0~8.5, dissolved oxygen DO<0.5mg/L, waterpower are stopped
It is 5.5h to stay the time；The pH value of aerobic tank 113 is 7.5~8.5, and dissolved oxygen DO is 1.8~2.5mg/L, and hydraulic detention time is
6h；The sludge concentration for strengthening active sludge treatment unit 11 is 2500~3000mg/L, and sludge settling ratio is 20~25wt%, dirty
Sludge age is 15~25 days；The technological parameter of secondary settling tank 114 is：Surface loading is 0.96m3/ (m2h), and hydraulic detention time is
6h。
The bottom of secondary settling tank 114 is connected to sludge pipe 1141 and mud return line 1142, mud return line 1142 and anaerobic pond
111st, anoxic pond 112 and aerobic tank 113 are connected.
Aeration tube 1131 is uniformly distributed in the bottom of the aerobic tank 113, and aeration tube 1131 is type micro-pore aerator, is adopted
With silastic material, multiple small Self-closed holes are distributed on type micro-pore aerator, when type micro-pore aerator works, Duo Gewei
Small Self-closed hole can open automatically under air pressure, and air is put into pond and is oxygenated；If pressure disappears, small Self-closed hole
It will be closed automatically, prevent water from pouring in down a chimney and flow into micropore.
As shown in figure 3, the schematic diagram for contact sterilizing unit 121, contact sterilizing unit 121 is passes through pipeline and secondary settling tank
The disinfecting tank 1211 that 114 water outlet is connected, disinfecting tank 1211 is interior to be equipped with multiple lateral barriers 1212, lateral barrier
External part and its to pool wall between be equipped with automatic controlling gate 1213；Disinfecting tank 1211 is equipped with control system
1214, the outlet of disinfecting tank 1211 is equipped with residual chlorine sensor 1215, control system 1214 with residual chlorine sensor 1215, from
Dynamic regulating gate 1213 is electrically connected, and control system 1214 controls the folding of automatic controlling gate 1213, works as residual chlorine sensor
1215 monitor outlet water body contents of residual chlorine it is exceeded when, control system 1214 control automatic controlling gate 1213 be closed, extend pond
The interior water body residence time reduces contents of residual chlorine, and after contents of residual chlorine is up to standard, control system 1214 controls automatic controlling gate again
1213 open, and discharge water body.
Sludge treating block 122 is included 1222 between sequentially connected concentration basin 1221, sludge concentration and dewatering, concentration basin 1221
It is connected with the sludge pipe 1141 of secondary settling tank 114.
Polypropylene non-woven fabric material spherical shape floating stuffing 1134 is MULTILAYER COMPOSITE spherical shape porous structure, such as Fig. 4 institutes
Show, be the top plan view of polypropylene non-woven fabric material cylinder floating stuffing 1134, be between each polypropylene non-woven layer of cloth 1135
Cavity structure, each polypropylene non-woven layer of cloth 1135 are porous structure, by several support plates 1136 between each polypropylene non-woven layer of cloth
Connection, due to the transitivity of MULTILAYER COMPOSITE spherical shape porous structure and oxygen, the different life of outgrowth in floating stuffing 1134
Species, growth inside some anaerobic bacterias and amphimicrobe, and outside is aerobic bacteria, make each formation of floating stuffing 1,134 one micro-
Small reaction vessel is carried out at the same time nitration reaction, anti-nitration reaction, mainly plays biofilm carrier, when microorganism is attached
It on floating stuffing 1134, grows the floating stuffing 1134 of floating of microorganism with the convolution inverting action of municipal sewage
And move freely, so as to achieve the purpose that improve municipal sewage phosphorus content degree for the treatment of, while have the effect of retention suspended matter concurrently,
With biological attachment power is strong, large specific surface area, porosity are high, chemistry and biological stability are good, it is durable, do not dissolve out it is harmful
Object, do not cause secondary pollution, antiultraviolet, anti-aging, hydrophilicity is strong, resistance is small, water distribution, gas distribution performance are good, and active cuts
The features such as bubble, is direct plungeed into water when in use, like heavy non-heavy, the comprehensive freely activity of energy, no dead zone in water.
Embodiment described above only expresses the several embodiments of the utility model, and description is more specific and detailed
Carefully, but it should not be interpreted as limiting the scope of the present invention.It should be pointed out that for the general of this field
For logical technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these are all
Belong to the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (7)
1. a kind of biochemical wastewater treatment strengthening phosphorus removal system, which is characterized in that including sequentially connected reinforcing active sludge treatment
Unit, post-processing unit；
The reinforcing active sludge treatment unit includes sinking by the sequentially connected anaerobic pond of pipeline, anoxic pond, aerobic tank, two
Pond；
The post-processing unit includes parallel arrangement of contact sterilizing unit, sludge treating block；
The aerobic tank bottom is equipped with aeration tube, is equipped with oxygen level sensor in the aerobic tank, the oxygen level sensor with
One automatically controls blower device electric connection, and the aeration tube is controlled by the blower device that automatically controls；
Multi-level floating stuffing is distributed in the aerobic tank, the multi-level floating stuffing is polypropylene non-woven fabric material ball
Shape floating stuffing.
2. a kind of biochemical wastewater treatment strengthening phosphorus removal system according to claim 1, which is characterized in that the secondary settling tank
Bottom is connected to sludge pipe and mud return line, the mud return line and the anaerobic pond, the anoxic pond and the aerobic tank
It is connected.
3. a kind of biochemical wastewater treatment strengthening phosphorus removal system according to claim 1, which is characterized in that the aeration tube is equal
The even bottom for being distributed in the aerobic tank.
4. a kind of biochemical wastewater treatment strengthening phosphorus removal system according to claim 1, which is characterized in that the aeration tube is
Type micro-pore aerator.
A kind of 5. biochemical wastewater treatment strengthening phosphorus removal system according to claim 1, which is characterized in that the contact sterilizing
Unit is the disinfecting tank being connected by pipeline with the water outlet of the secondary settling tank, and multiple horizontal strokes are equipped in the disinfecting tank
To barrier, it is described transverse direction barrier external part and its to pool wall between be equipped with automatic controlling gate；The disinfecting tank
Equipped with control system, the outlet of the disinfecting tank is equipped with residual chlorine sensor, the control system and the residual chlorine sensor,
The automatic controlling gate is electrically connected, and the control system controls the folding of the automatic controlling gate.
A kind of 6. biochemical wastewater treatment strengthening phosphorus removal system according to claim 1, which is characterized in that the Treatment of Sludge
Unit is included between sequentially connected concentration basin, sludge concentration and dewatering, and the concentration basin is connected with the sludge pipe of the secondary settling tank.
7. a kind of biochemical wastewater treatment strengthening phosphorus removal system according to claim 1, which is characterized in that the polypropylene without
Woven fabric material spherical shape floating stuffing is MULTILAYER COMPOSITE spherical shape porous structure, is cavity knot between each polypropylene non-woven layer of cloth
Structure, each polypropylene non-woven layer of cloth are porous structure, are connected between each polypropylene non-woven layer of cloth by several support plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721410276.2U CN207498235U (en) | 2017-10-27 | 2017-10-27 | A kind of biochemical wastewater treatment strengthening phosphorus removal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721410276.2U CN207498235U (en) | 2017-10-27 | 2017-10-27 | A kind of biochemical wastewater treatment strengthening phosphorus removal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207498235U true CN207498235U (en) | 2018-06-15 |
Family
ID=62501826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721410276.2U Expired - Fee Related CN207498235U (en) | 2017-10-27 | 2017-10-27 | A kind of biochemical wastewater treatment strengthening phosphorus removal system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207498235U (en) |
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2017
- 2017-10-27 CN CN201721410276.2U patent/CN207498235U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180615 Termination date: 20191027 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |