CN208617637U - Sewage disposal system - Google Patents
Sewage disposal system Download PDFInfo
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- CN208617637U CN208617637U CN201820694826.6U CN201820694826U CN208617637U CN 208617637 U CN208617637 U CN 208617637U CN 201820694826 U CN201820694826 U CN 201820694826U CN 208617637 U CN208617637 U CN 208617637U
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Abstract
The utility model provides a kind of sewage disposal system, comprising: pretreatment unit, feed unit and at least one sewage treatment unit；Pretreatment unit and feed unit are connect with sewage treatment unit respectively, and pretreatment unit is conveyed for collecting sewage, and after pre-processing to sewage to sewage treatment unit, and feed unit is used to supply wind and thimerosal to sewage treatment unit；Sewage treatment unit includes primary sedimentation tank, anoxic pond, contact-oxidation pool group, secondary settling tank, sludge-tank and sterilization pool.Sewage disposal system provided by the utility model can be realized and handle the mode that sewage carries out physical method, chemical method and bioanalysis combine, to guarantee that sewage effluent index reaches sewage drainage standard.
Description
Technical field
The utility model relates to technical field of sewage more particularly to a kind of sewage disposal systems.
Background technique
A large amount of sewage can be generated in daily life and industrial production, sewage discharge is the main source of water environment pollution
One of, therefore, how to be effectively treated to sewage is mankind's problem in the urgent need to address.The essence of sewage treatment is to pass through
The processing of multiple subprocess such as physics, chemistry and/or biology, degrade sewage in organic carbon and nitrogen pollutant so that by
Sewage effluent index after reason meets sewage drainage standard.Wherein, sewage effluent index generally includes: BOD
(BiochemicalOxygen Demand, BOD5), COD (Chemical Oxygen Demand, COD), suspended matter
(Suspended solids, SS) mass concentration, hydrogen ionexponent (Hydrogen ionconcentration, PH) and
Ammonia nitrogen NH etc..There is sewage disposal process multivariable close coupling, strong nonlinearity, parameter time varying, operating condition to change frequently, be difficult to online
The features such as monitoring effluent characteristics, therefore, establishing a reliable sewage disposal system is very important, and utilizes sewage treatment system
System can control sewage effluent index and comply with specified value, and can carry out to the energy consumption of entire sewage disposal process excellent
Change, energy-saving and emission-reduction.
It is main processing means that bioanalysis is generallyd use in existing sewage disposal system, and common bioanalysis includes: work
Property sludge, anaerobic and aerobic process and membrane biological reaction method etc..
But due to the groups of contaminants in sewage in extremely complex, above-mentioned sewage disposal system use single life
Object method is handled, and may not can guarantee sewage effluent index and be reached sewage drainage standard.
Utility model content
The utility model provides a kind of sewage disposal system, can be realized and carries out physical method, chemical method and biology to sewage
The mode that method combines is handled, to guarantee that sewage effluent index reaches sewage drainage standard.
Sewage disposal system provided by the utility model, comprising: at pretreatment unit, feed unit and at least one sewage
Manage unit；
The pretreatment unit and the feed unit are connect with the sewage treatment unit respectively, the pretreatment unit
It is conveyed for collecting sewage, and after being pre-processed to sewage to the sewage treatment unit, the feed unit is used for institute
State sewage treatment unit supply wind and thimerosal；
The sewage treatment unit includes primary sedimentation tank, anoxic pond, contact-oxidation pool group, secondary settling tank, sludge-tank and sterilization pool,
Wherein, primary sedimentation tank, anoxic pond and contact-oxidation pool group are sequentially connected, the water outlet and the secondary settling tank of the contact-oxidation pool group
Water inlet connection, the mud mouth of the secondary settling tank connect with the sludge-tank, the water outlet of the secondary settling tank and the disinfection
The water inlet in pond connects, and the water outlet of the sterilization pool is used to discharge sewage after processing.
Optionally, the pretreatment unit includes grille well, and headstock gear, gate and grid are provided in the grille well and is removed
Dirty machine.
Optionally, the pretreatment unit further includes conditioning tank, and the water inlet of the conditioning tank goes out with the grille well
The mouth of a river connects, and is provided with sewage pump in the conditioning tank, the sewage pump is connect with the primary sedimentation tank.
Optionally, be provided with clear water elevator pump in the sludge-tank, the water outlet of the sludge-tank by reflux water pipe with
The conditioning tank connection.
Optionally, water level line is provided in the conditioning tank.
Optionally, the feed unit includes blower unit and disinfectant liquid generator, and the blower unit passes through wind conveying pipe
It is separately connected with the secondary settling tank and the sludge-tank, the disinfectant liquid generator is connect by perfusion tube with the sterilization pool.
Optionally, the feed unit further includes control cabinet, is provided with programmable logic controller (PLC) in the control cabinet
PLC；
The PLC is separately connected with the air blower in the blower unit, and the PLC also connects with the sewage pump
It connects.
Optionally, the contact-oxidation pool group includes level-one contact-oxidation pool, two-stage biological contact oxidation pond and three-level contact oxygen
Change pond；
The anoxic pond, the level-one contact-oxidation pool, the two-stage biological contact oxidation pond and the three-level contact-oxidation pool
In be respectively arranged with biologic packing material；The level-one contact-oxidation pool, the two-stage biological contact oxidation pond and the three-level catalytic oxidation
The bottom of pond portion in pond is provided with boring aeration pipe.
Optionally, the sewage treatment unit is the steel structure device of integration, including the first cabinet, the second cabinet, the
Three cabinets and the 4th cabinet；
Wherein, the primary sedimentation tank, the anoxic pond and the level-one contact-oxidation pool are arranged in the first cabinet, the second level
Contact-oxidation pool setting is in the second cabinet, and the three-level contact-oxidation pool and sterilization pool setting are in third cabinet, and described two
Heavy pond and the sludge-tank are arranged in the 4th cabinet.
Optionally, the thimerosal is chlorine dioxide.
At sewage disposal system provided by the utility model, including pretreatment unit, feed unit and at least one sewage
Unit is managed, pretreatment unit is conveyed for collecting sewage, and after pre-processing to sewage to sewage treatment unit, feed unit
For supplying wind and thimerosal to sewage treatment unit；After sewage enters sewage treatment unit, successively pass through primary sedimentation tank, anoxic
Pond, contact-oxidation pool group, secondary settling tank and sterilization pool processing after be discharged.It can be seen that the present embodiment is in sewage disposal process
In successively use physical method, bioanalysis and chemical method sewage is handled so that the effluent index of sewage can satisfy row
Standard is put, also, the sewage disposal system of the present embodiment relies on biodegrade to sewage disposal process, it is safe and pollution-free, energy saving
Environmental protection.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of sewage disposal system embodiment one provided by the utility model；
Fig. 2 is the structural schematic diagram of sewage disposal system embodiment two provided by the utility model；
Fig. 3 is the structural schematic diagram of sewage disposal system embodiment three provided by the utility model；
Fig. 4 is the structural schematic diagram of sewage disposal system example IV provided by the utility model；
Fig. 5 is the structural schematic diagram of the sewage treatment unit of the utility model embodiment four.
Description of symbols:
10: pretreatment unit；
11: grille well；
12: conditioning tank；
121: sewage pump；
20: sewage treatment unit；
21: primary sedimentation tank；
22: anoxic pond；
23: contact-oxidation pool group；
231: level-one contact-oxidation pool；
232: two-stage biological contact oxidation pond；
233: three-level contact-oxidation pool；
24: secondary settling tank；
25: sludge-tank；
26: sterilization pool；
30: feed unit；
31: blower unit；
32: disinfectant liquid generator；
33:PLC controller；
40: the first cabinets；
41: the second cabinets；
42: third cabinet；
43: the four cabinets.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The specification and claims of the utility model and term " first ", " second ", " third " in above-mentioned attached drawing
(if present)s such as " the 4 " are to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It answers
The data that the understanding uses in this way are interchangeable under appropriate circumstances, for example so as to the embodiments of the present invention described herein
It can be performed in other sequences than those illustrated or described herein.In addition, term " includes " and " having " and he
Any deformation, it is intended that cover it is non-exclusive include, for example, contain the process, method of a series of steps or units,
System, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include being not clearly listed
Or the other step or units intrinsic for these process, methods, product or equipment.
A large amount of sewage can be generated in daily life and industrial production, sewage discharge is the main source of water environment pollution
One of, therefore, how to be effectively treated to sewage is mankind's problem in the urgent need to address.The essence of sewage treatment is to pass through
The processing of multiple subprocess such as physics, chemistry and/or biology, degrade sewage in organic carbon and nitrogen pollutant so that by
Sewage effluent index after reason meets sewage drainage standard.Wherein, sewage effluent index generally includes: BOD
(Biochemical Oxygen Demand, BOD5), COD (Chemical Oxygen Demand, COD) suspend
Amount of substance concentration (Suspended solids, SS), hydrogen ionexponent (Hydrogen ion concentration, PH)
With ammonia nitrogen NH etc..There is sewage disposal process multivariable close coupling, strong nonlinearity, parameter time varying, operating condition to change frequently, be difficult to
Line monitors the features such as effluent characteristics, and therefore, establishing a reliable sewage disposal system is very important, and utilizes sewage treatment
System can control sewage effluent index and comply with specified value, and can carry out to the energy consumption of entire sewage disposal process
Optimization, energy-saving and emission-reduction.
It is main processing means that bioanalysis is generallyd use in existing sewage disposal system, and common bioanalysis includes: work
Property sludge, anaerobic and aerobic process and membrane biological reaction method etc..It is above-mentioned but since the groups of contaminants in sewage is at extremely complex
Sewage disposal system in handled using single bioanalysis, sewage effluent index may not can guarantee and reach sewage discharge
Standard.
The utility model provides a kind of sewage disposal system, can be realized and carries out physical method, chemical method and biology to sewage
The mode that method combines is handled, to guarantee that sewage effluent index reaches sewage drainage standard.
The technical solution of the utility model is described in detail with specifically embodiment below.These are specific below
Embodiment can be combined with each other, and the same or similar concept or process may be repeated no more in some embodiments.
Firstly, the sewage type that sewage disposal system provided by the utility model can be used for handling includes but is not limited to: work
Industry waste water, sanitary sewage and business sewage etc..The utility model embodiment is for handling sanitary sewage, to sewage disposal system
Structure and treatment process be introduced.
Fig. 1 is the structural schematic diagram of sewage disposal system embodiment one provided by the utility model, as shown in Figure 1, this reality
The sewage disposal system for applying example includes: pretreatment unit 10, feed unit 30 and at least one sewage treatment unit 20.
Wherein, pretreatment unit 10 and feed unit 30 are connect with sewage treatment unit 20 respectively, and pretreatment unit 10 is used
It is conveyed after collecting sewage, and pre-processed to sewage to sewage treatment unit 20, feed unit 30 is used for sewage treatment
Unit 20 supplies wind and thimerosal.
Specifically, sewage treatment unit 20 includes primary sedimentation tank 21, anoxic pond 22, contact-oxidation pool group 23, secondary settling tank 24, dirt
Mud sump 25 and sterilization pool 26.Wherein, primary sedimentation tank 21, anoxic pond 22 and contact-oxidation pool group 23 are sequentially connected, contact-oxidation pool group
23 water outlet is connect with the water inlet of secondary settling tank 24, and the mud mouth of secondary settling tank 24 is connect with sludge-tank 25, and secondary settling tank 24 goes out
The mouth of a river is connect with the water inlet of sterilization pool 26, and the water outlet of sterilization pool 26 is used to discharge sewage after processing.
After pretreatment unit 10 collects sewage, sewage is pre-processed, such as removal floating material, solid dirt etc., it is right
Sewage carries out preliminary solid-liquid separation treatment.As shown in Figure 1, pretreatment unit 10 can be connect with primary sedimentation tank 21, sewage passes through
Enter sewage treatment unit 20 after the processing of pretreatment unit 10, successively passes through primary sedimentation tank 21, anoxic pond 22, contact-oxidation pool group
23, it is discharged after the processing of secondary settling tank 24 and sterilization pool 26.
Specifically, being illustrated below for each depolluting processes in sewage treatment unit 20.By pretreated
Sewage initially enters primary sedimentation tank 21, primary sedimentation tank, that is, primary sedimentation pond by water inlet pipe, and primary sedimentation tank 21 can remove sinking in sewage
Object and floating material.By taking sanitary sewage as an example, sewage about can remove 50%, BOD of sinker and floating material after primary sedimentation tank 21
20%, therefore, primary sedimentation tank is a kind of relatively inexpensive sewage treatment and purifying step.
After the processing of primary sedimentation tank 21, sewage enters anoxic pond 22 and contact-oxidation pool group 23, and sewage is raw by anoxic
Object contact oxidation method and aerobic biological contact oxidation process make organic pollutant be converted into ammonia nitrogen, simultaneously using the effect of biomembrane
By aerobic nitrification and anoxic denitrification process, organic matter, but also removal ammonia nitrogen can be not only removed.By anoxic pond 22 and contact oxygen
Change the processing of pond group 23, the effluent index such as BOD, COD, PH and NH of sewage can satisfy " at GB 18918-2002 town sewage
Manage factory's pollutant emission standard ".
After the processing of anoxic pond 22 and contact-oxidation pool group 23, sewage enters secondary settling tank 24.Secondary settling tank, that is, secondary heavy
Shallow lake pond, secondary settling tank 24 can make sludge separation, clarify mixed liquor and make sludge condensation.Optionally, as shown in Figure 1, supply
Unit 30 is connect by air hose with secondary settling tank 24, for providing wind into secondary settling tank 24, improves the separation of solid and liquid effect of secondary settling tank 24
Fruit.It can satisfy that " cities and towns GB 18918-2002 are dirty by the ss suspended solid mass concentration in treated the sewage of secondary settling tank 24
Water treatment plant's pollutant emission standard ".Meanwhile also there is secondary settling tank 24 with low investment, impact load and temperature change to adapt to energy
The feature that power is strong, construction is simple.
As shown in Figure 1, the mud mouth of secondary settling tank 24 can be connect by sludge pipe with sludge-tank 25, the water outlet of secondary settling tank 24
Mouth can be connect by water pipe with sterilization pipe 26, so that sludge passes through sludge pipe after the secondary precipitation of secondary settling tank 24 processing
Sludge-tank 25 is entered, sewage enters in sterilization pool 26 by water pipe.
Optionally, as shown in Figure 1, feed unit 30 is connect by air hose with sludge-tank 25, for being supplied to sludge-tank 25
Wind improves the sludge digestion effect of sludge-tank 25.Optionally, sludge-tank 25, which also has, takes out mud mouth, for facilitating staff fixed
Phase extracts sludge out from sludge-tank 25.
Sewage is after the secondary precipitation of secondary settling tank 24, into sterilization pool 26, sterilization pool 26 to sewage carry out disinfection with
Remove the pathogen in sewage.Optionally, feed unit 30 is connect by perfusion tube with sterilization pool 26, for into sterilization pool 26
Supply thimerosal.Optionally, the thimerosal is chlorine dioxide disinfection liquid, and chlorine dioxide has very strong go out to bacterium, virus etc.
Viability.After the processing of sterilization pool 26, sewage can reach " GB 18918-2002 urban wastewater treatment firm pollutant row
Put standard ", it is discharged by the water outlet of sterilization pool 26.
It should be understood that may include multiple sewage treatment units 20 in the sewage disposal system of the present embodiment, Fig. 1 only shows
Example includes the case where a sewage treatment unit 20.The utility model does not make specifically the quantity of sewage treatment unit 20
It limits, can be rationally arranged according to the size of sewage quantity to be processed.
In the present embodiment, sewage disposal system includes pretreatment unit 10, feed unit 30 and at least one sewage treatment
Unit 20, pretreatment unit 10 are conveyed for collecting sewage, and after pre-processing to sewage to sewage treatment unit 20, supply
Unit 30 is used to supply wind and thimerosal to sewage treatment unit 20；After sewage enters sewage treatment unit 20, successively by just
Heavy pond 21, anoxic pond 22, contact-oxidation pool group 23, secondary settling tank 24 and sterilization pool 26 processing after be discharged.It can be seen that this reality
Example is applied successively to handle sewage using physical method, bioanalysis and chemical method in sewage disposal process, so that sewage
Effluent index can satisfy discharge standard, also, sewage disposal process drops by biology in the sewage disposal system of the present embodiment
Solution, safe and pollution-free, energy conservation and environmental protection.
Fig. 2 is the structural schematic diagram of sewage disposal system embodiment two provided by the utility model, as shown in Fig. 2, this reality
The sewage disposal system of example is applied, on the basis of the above embodiments, pretreatment unit 10 includes grille well 11, is set in grille well 11
It is equipped with headstock gear, gate and grid sewage-removing machine (not shown).
Headstock gear is used for the lifting of regulating gate, and when gate rises, sewage can enter grille well 11, when gate lands
When, sewage not can enter grille well 11, so that headstock gear is equivalent to the switch of sewage disposal system.Grid sewage-removing machine is using mechanical
Method, by sewage solids and suspended matter by grid intercept realize be separated by solid-liquid separation, so as to tentatively reduce sewage
In inorganic particle substance content, improve the identity and biodegradability of sewage.
Optionally, pretreatment unit 10 further includes conditioning tank 12, and the water inlet of conditioning tank and the water outlet of grille well 11 connect
It connects, sewage pump 121 is provided in conditioning tank 12, sewage pump 121 is connect with primary sedimentation tank 21 to be connected by water pipe.
Enter conditioning tank 12 by the pretreated sewage of grille well 11, conditioning tank 12 can water flow and water to sewage
Matter is adjusted, so that sewage disposal system is not influenced by sewage peak flow and concentration variation.Sewage pump 121 is used for
Sewage in conditioning tank 12 is pumped into sewage treatment unit 20.
Optionally, it is provided with water level line in conditioning tank 12, for example, being provided with high-order, middle position and low level water level line, Huo Zheshe
It is equipped with graduation mark, to facilitate the water level conditions in observation conditioning tank 12.When water level is lower in conditioning tank 12, dirt may be will affect
Therefore the normal work of water elevator pump 121 when observing that water level is lower in conditioning tank 12 by water level line, can be taken in time
Corresponding measure avoids sewage pump 121 from being damaged.
Optionally, clear water elevator pump (not shown) is provided in sludge-tank 25, the water outlet of sludge-tank 25 passes through recirculation water
Pipe is connect with conditioning tank 12.Sludge in sludge-tank 25 will appear supernatant on upper layer, supernatant is clear after digestion precipitating
Under the action of water elevator pump, supernatant is promoted in conditioning tank 12 by reflux water pipe, supernatant is again introduced into
Secondary treatment, the effect of lifting sewage processing are carried out in sewage treatment unit 20.
In the present embodiment, pretreatment unit 10 includes grille well 11 and conditioning tank 12, carries out lattice to sewage by grid 11
Grid intercept, realize the separation of solid and liquid of sewage, be adjusted by water and water quality of the conditioning tank 12 to sewage, with improve sewage into
Enter the treatment effect of sewage treatment unit 20.
Fig. 3 is the structural schematic diagram of sewage disposal system embodiment three provided by the utility model, as shown in figure 3, this reality
The sewage disposal system of example is applied, on the basis of the above embodiments, feed unit 30 includes that blower unit 31 and thimerosal occur
Device 32, blower unit 31 are separately connected by wind conveying pipe with secondary settling tank 24 and sludge-tank 25, and disinfectant liquid generator 32 passes through infusion
Pipe is connect with sterilization pool 26.It should be understood that blower unit 31 is used to provide wind, thimerosal hair to secondary settling tank 24 and sludge-tank 25
Raw device 32 is used to provide thimerosal to sterilization pool 26.
It should be noted that may include multiple air blowers in blower unit 31 in the present embodiment.Optionally, air blower
Include the first air blower and the second air blower in group 31, can be selected to use an air blast according to the size of sewage quantity to be processed
Machine or two air blowers.
Optionally, disinfectant liquid generator 32 can be chlorine dioxide generator, and chlorine dioxide has bacterium, virus etc. very strong
Inactivation capacity.
Optionally, feed unit 30 further includes control cabinet, and programmable logic PLC controller is provided in the control cabinet
33, PLC controller 33 is separately connected with the air blower in blower unit 31, for controlling air quantity and the operating of air blower, example
Such as, for including two air blowers in blower unit 31, when sewage load is less, PLC controller be can control only
One of air blower work, changes jobs alternatively, PLC controller can also control two blower wheels；When sewage load compared with
When more, PLC controller can control two air blowers and work at the same time；When in special circumstances, such as when needing repairing or overhauling,
PLC controller can also control air blower and be switched to manual work state.
Optionally, PLC controller 33 is also connect with the sewage pump in conditioning tank 12, will for controlling sewage pump
Sewage in conditioning tank 12 is pumped into primary sedimentation tank 21.
Fig. 4 is the structural schematic diagram of sewage disposal system example IV provided by the utility model, and Fig. 5 is the utility model
The structural schematic diagram of sewage treatment unit in example IV in the sewage disposal system of the present embodiment, connects as shown in Figure 4 and Figure 5
Touching oxidation pond group 23 includes level-one contact-oxidation pool 231, two-stage biological contact oxidation pond 232 and three-level contact-oxidation pool 233.Wherein,
Life is respectively arranged in anoxic pond 32, level-one contact-oxidation pool 231, two-stage biological contact oxidation pond 232 and three-level contact-oxidation pool 233
Object filler；The bottom of pond portion of level-one contact-oxidation pool 231, two-stage biological contact oxidation pond 232 and three-level contact-oxidation pool 233, which is provided with, wears
Hole aeration tube.
Contact-oxidation pool group 23 uses thtee-stage shiplock biological contact oxidation process, and the output of previous stage biological contact oxidation pond is
The input of next stage biological contact oxidation pond.Using thtee-stage shiplock biological contact oxidation process, so that sewage disposal system is to pollution
The removal efficiency highest of object, and it is at low cost.
Optionally, in the sewage disposal system of the present embodiment, sewage treatment unit 20 can be the steel construction dress of integration
It sets, as shown in figure 5, sewage treatment unit 20 includes: the first cabinet 40, the second cabinet 41, third cabinet 42 and the 4th cabinet 43.
Wherein, primary sedimentation tank 21, anoxic pond 22 and level-one contact-oxidation pool 231 are arranged in the first cabinet 40, Secondary contact oxygen
Change the setting of pond 232 to be arranged in the second cabinet 41, three-level contact-oxidation pool 233 and sterilization pool 26 in third cabinet 42, secondary settling tank 24
It is arranged with sludge-tank 25 in the 4th cabinet 43.
By setting integration apparatus for sewage treatment unit 20, sewage treatment unit deployment can be made simpler
Just, also, can also be according to the size of sewage load, while multiple sewage treatment units are used, project cost is low, convenient for pipe
Reason.
As shown in figure 4, the sewage disposal system of the present embodiment, grille well 11 and conditioning tank 12 are used as sewage treatment unit 20
Working foundation, can be concrete sump；Feed unit 30 can be set above conditioning tank 12, so as to sewage treatment unit 20
Wind, electricity and hydraulic pressure in sewage disposal process etc. meet technical requirements；Sewage treatment unit 20 is integrated in by several cabinet groups
At integration apparatus in, can be embedded to below ground, therefore, the sewage disposal system of the present embodiment, project cost is low, is convenient for
Management.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of sewage disposal system characterized by comprising pretreatment unit, feed unit and at least one sewage treatment
Unit；
The pretreatment unit and the feed unit are connect with the sewage treatment unit respectively, and the pretreatment unit is used for
Sewage is collected, and is conveyed after being pre-processed to sewage to the sewage treatment unit, the feed unit is used for the dirt
Water treatment unit supplies wind and thimerosal；
The sewage treatment unit includes primary sedimentation tank, anoxic pond, contact-oxidation pool group, secondary settling tank, sludge-tank and sterilization pool,
In, primary sedimentation tank, anoxic pond and contact-oxidation pool group are sequentially connected, water outlet and the secondary settling tank of the contact-oxidation pool group
Water inlet connection, the mud mouth of the secondary settling tank are connect with the sludge-tank, the water outlet of the secondary settling tank and the sterilization pool
Water inlet connection, the water outlet of the sterilization pool is used to discharge sewage after processing.
2. system according to claim 1, which is characterized in that the pretreatment unit includes grille well, the grille well
Inside it is provided with headstock gear, gate and grid sewage-removing machine.
3. system according to claim 2, which is characterized in that the pretreatment unit further includes conditioning tank, the adjusting
The water inlet in pond is connect with the water outlet of the grille well, and sewage pump, the sewage lifting are provided in the conditioning tank
Pump is connect with the primary sedimentation tank.
4. system according to claim 3, which is characterized in that be provided with clear water elevator pump, the dirt in the sludge-tank
The water outlet of mud sump is connect by the water pipe that flows back with the conditioning tank.
5. system according to claim 4, which is characterized in that be provided with water level line in the conditioning tank.
6. system according to claim 5, which is characterized in that the feed unit includes that blower unit and thimerosal occur
Device, the blower unit are separately connected by wind conveying pipe and the secondary settling tank and the sludge-tank, and the disinfectant liquid generator is logical
Perfusion tube is crossed to connect with the sterilization pool.
7. system according to claim 6, which is characterized in that the feed unit further includes control cabinet, the control cabinet
Inside it is provided with programmable logic controller (PLC) PLC；
The PLC is separately connected with the air blower in the blower unit, and the PLC is also connect with the sewage pump.
8. system according to claim 1-7, which is characterized in that the contact-oxidation pool group includes level-one contact
Oxidation pond, two-stage biological contact oxidation pond and three-level contact-oxidation pool；
Divide in the anoxic pond, the level-one contact-oxidation pool, the two-stage biological contact oxidation pond and the three-level contact-oxidation pool
Biologic packing material is not provided with it；The level-one contact-oxidation pool, the two-stage biological contact oxidation pond and the three-level contact-oxidation pool
Bottom of pond portion is provided with boring aeration pipe.
9. system according to claim 8, which is characterized in that the sewage treatment unit is the steel construction dress of integration
It sets, including the first cabinet, the second cabinet, third cabinet and the 4th cabinet；
Wherein, the primary sedimentation tank, the anoxic pond and the level-one contact-oxidation pool are arranged in the first cabinet, the Secondary contact
Oxidation pond setting is arranged in the second cabinet, the three-level contact-oxidation pool and the sterilization pool in third cabinet, the secondary settling tank
It is arranged with the sludge-tank in the 4th cabinet.
10. system according to claim 9, which is characterized in that the thimerosal is chlorine dioxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820694826.6U CN208617637U (en) | 2018-05-10 | 2018-05-10 | Sewage disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820694826.6U CN208617637U (en) | 2018-05-10 | 2018-05-10 | Sewage disposal system |
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| Publication Number | Publication Date |
|---|---|
| CN208617637U true CN208617637U (en) | 2019-03-19 |
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ID=65701135
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820694826.6U Active CN208617637U (en) | 2018-05-10 | 2018-05-10 | Sewage disposal system |
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| Country | Link |
|---|---|
| CN (1) | CN208617637U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110467308A (en) * | 2018-05-10 | 2019-11-19 | 平安开诚智能安全装备有限责任公司 | Sewage disposal system |
-
2018
- 2018-05-10 CN CN201820694826.6U patent/CN208617637U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110467308A (en) * | 2018-05-10 | 2019-11-19 | 平安开诚智能安全装备有限责任公司 | Sewage disposal system |
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