CN208500695U - A kind of activated sludge small-sized sewage treating system - Google Patents
A kind of activated sludge small-sized sewage treating system Download PDFInfo
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- CN208500695U CN208500695U CN201821076386.4U CN201821076386U CN208500695U CN 208500695 U CN208500695 U CN 208500695U CN 201821076386 U CN201821076386 U CN 201821076386U CN 208500695 U CN208500695 U CN 208500695U
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Abstract
The utility model relates to a kind of activated sludge small-sized sewage treating systems comprising the first processing pond, second processing pond and aerator；Aerobic aeration pond and secondary sedimentation tank are formed in second processing pond；Aerobic aeration pond is connected to secondary precipitation bottom of pond portion；The bottom of secondary sedimentation tank is oblique；First processing pond is connected to by flow tube with aerobic aeration pond；Aerobic aeration pond is provided with activated sludge；Secondary sedimentation tank is connect by flow regulator with outlet pipe；Aeration tube in aerator is set to the side bottom in aerobic aeration pond far from secondary sedimentation tank.The utility model structure is simple, and device configuration is reasonable, only needs three processing units that can reach preferable wastewater treatment efficiency；By using flow regulator, processing system can be made to be influenced smaller, high treating effect by water fluctuation and pollutant burden fluctuation, it is stable；By using automatic control device, under normal running (operation) conditions, operator is not needed to execute-in-place in 6-12 months.
Description
Technical field
The utility model relates to sewage treatment correlative technology fields, concretely relate to a kind of activated sludge small-scale sewage
Processing system.
Background technique
In some areas far from municipal sewage pipe network, sewage caused by people's daily life can not access municipal sewage
Collection conduit, thus these sanitary sewages needs are processed separately.In some areas, these sewage often do not make it is any processing or
Only the simple precipitating of work and anaerobic fermentation processing (septic tank) are just discharged into neighbouring river, lake, are discharged into underground or conduct
Irrigation water.This kind can undoubtedly cause a degree of pollution without the sanitary sewage of regular processing to environment.Some
Developed country just has begun from the five, sixties and payes attention to this kind of sanitary sewages that can not access municipal sewage pipe network
Biochemical treatment comes out one after another using the medium and small sewage disposal system of various technologies.
And in China, there are no relevant sewage disposal systems, so that these are not made any processing or only make simple precipitating
It is just arbitrarily discharged with anaerobic fermentation processing (septic tank), causes the pollution of environment.
Utility model content
For the deficiencies of the prior art, the utility model provides a kind of activated sludge small-sized sewage treating system.
The technical solution of the activated sludge small-sized sewage treating system of the utility model is as follows:
A kind of activated sludge small-sized sewage treating system comprising the first processing pond, second processing pond and aerator；
First processing pond is connected by inlet steady flow device of water with water inlet pipe；
It is provided with partition in the second processing pond, so that being divided to form in the second processing pond as aerobic aeration
Pond and secondary sedimentation tank；The partition bottom is hanging, so that the aerobic aeration pond is connected to the secondary precipitation bottom of pond portion；And
And the bottom of the secondary sedimentation tank is oblique；First processing pond is connected by flow tube with the aerobic aeration pond
It is logical；Activated sludge is provided in the aerobic aeration pond；The secondary sedimentation tank is connected by flow regulator with outlet pipe
It connects；
The aerator includes automatic control device, air pump, appendix and aeration tube；The aeration tube is set to institute
State the side bottom in aerobic aeration pond far from the secondary sedimentation tank；The air pump is connected with the automatic control device
It connects；The appendix upper end is connected with the air pump, and lower end is connected with the aeration tube.
The activated sludge small-sized sewage treating system of the utility model is to summarize external numerous small-sized sewage treating systems
The novel process system released afterwards can be applied to casual household, villa, Peasants Joy, the sewage treatment in restaurant or small-business area.Generally
In the case of, the biochemical oxygen demand (BOD) (BOD of small-sized sewage treating system water inlet5) concentration 100 between 400mg/L, suspend solid
The concentration of body (SS) is 100 between 400mg/L.It can be incited somebody to action using the activated sludge small-sized sewage treating system of the utility model
This binomial index is reduced to lower concentration, reaches the discharge standard of certain level-one of national regulation.Also, the work of the utility model
Property sludge small-sized sewage treating system structure it is simple, device configuration is reasonable, only need three processing units can reach preferable
Wastewater treatment efficiency；In addition, processing system can be made by water fluctuation and pollutant burden wave by using flow regulator
Dynamic influence is smaller, and high treating effect is stable；By using automatic control device, under normal running (operation) conditions, 6-12 months
Operator is not needed inside to execute-in-place.
According to a preferred embodiment, filter device is additionally provided in the secondary sedimentation tank.
According to a preferred embodiment, the filter device includes filter frame；Filled with soft in the filter frame
Property fiberfill and/or elastic filler so that forming physics and biofiltration layer in the filter frame.
According to a preferred embodiment, the filter frame is cylindrical in shape or box-shaped；And the filter frame is multilayer knot
Structure.
According to a preferred embodiment, the inlet steady flow device of water is a tee tube, and the supervisor of the tee tube is hung down
Directly in the liquid level in first processing pond；Also, the inlet steady flow device of water and flow tube dislocation are arranged.
According to a preferred embodiment, the flow regulator is the connecting tube of a sealed bottom；And it is described
The downside wall of connecting tube is formed with protruding portion in a manner of outwardly projecting；Offer first through hole on the protruding portion, with
Second through-hole opposite with the first through hole is provided in the opposite side wall of the protruding portion；In the mounted state, described
Protruding portion is towards the bottom of the secondary sedimentation tank.The diameter of second through-hole is twice of first through hole diameter.
According to a preferred embodiment, low pressure alarm is provided on the appendix.
According to a preferred embodiment, it is additionally provided with and the automatic control device on aerobic aeration pond top
The water level sensor being connected.
According to a preferred embodiment, overflow pipe is additionally provided in the secondary sedimentation tank；The overflow pipe with
The flow regulator is connected.
According to a preferred embodiment, the activated sludge small-sized sewage treating system further includes Chi Gai；Described
Pond, which is covered, is provided with inspection hole corresponding to the position of first processing pond；It covers in the pond corresponding to the aerobic aeration pond
Position be provided with the first service hatch staving, the air pump is set in the first service hatch staving；It is covered in the pond
Position corresponding to the secondary sedimentation tank is provided with the second service hatch staving.
Compared with prior art, the activated sludge small-sized sewage treating system of the utility model has the following beneficial effects:
The activated sludge small-sized sewage treating system of the utility model is to summarize external numerous small-sized sewage treating systems
The novel process system released afterwards can be applied to casual household, villa, Peasants Joy, the sewage treatment in restaurant or small-business area.Generally
In the case of, the biochemical oxygen demand (BOD) (BOD of small-sized sewage treating system water inlet5) concentration 100 between 400mg/L, suspend solid
The concentration of body (SS) is 100 between 400mg/L.It can be incited somebody to action using the activated sludge small-sized sewage treating system of the utility model
This binomial index is reduced to lower concentration, reaches the discharge standard of certain level-one of national regulation.Also, the work of the utility model
Property sludge small-sized sewage treating system structure it is simple, device configuration is reasonable, only need three processing units can reach preferable
Wastewater treatment efficiency；In addition, processing system can be made by water fluctuation and pollutant burden wave by using flow regulator
Dynamic influence is smaller, and high treating effect is stable；By using automatic control device, under normal running (operation) conditions, 6-12 months
Operator is not needed inside to execute-in-place.
Detailed description of the invention
Fig. 1 is the top view of the activated sludge small-sized sewage treating system embodiment 1 of the utility model；
Fig. 2 is the C-C cross-sectional view of Fig. 1；
Fig. 3 is the top view of the activated sludge small-sized sewage treating system embodiment 2 of the utility model；
Fig. 4 is the A-A cross-sectional view of Fig. 3；
Fig. 5 is in the activated sludge small-sized sewage treating system embodiment 2 of the utility model using soft cellulose filler
Filter device schematic diagram；
Fig. 6 is the top view of filter layer in Fig. 5；
Fig. 7 is the side view of filter layer in Fig. 5；
Fig. 8 is the filtering that elastic filler is used in the activated sludge small-sized sewage treating system embodiment 2 of the utility model
Schematic device；
Fig. 9 is the activated sludge small-sized sewage treating system embodiment 1 of the utility model, flow adjusts dress in embodiment 2
The structural schematic diagram set；
Figure 10 is B-B cross-sectional view in Fig. 9；
Figure 11 is the activated sludge small-sized sewage treating system embodiment 1 of the utility model, 2 air pump of embodiment, defeated
The connection schematic diagram of tracheae and aeration tube；
Figure 12 is the side view of Figure 11；
Figure 13 be in Figure 11 D to the partial enlarged view of aeration tube.
Reference signs list
The first processing pond of 10-, 20- inlet steady flow device of water, 30- second processing pond, 40- partition, 50- aerobic aeration pond, 60-
Secondary sedimentation tank, 70- flow tube, 80- flow regulator, 81- connecting tube, 82- protruding portion, 83- first through hole, 84- second
Through-hole, 90- automatic control device, 100- air pump, 110- appendix, 120- aeration tube, 121- solarization air cap, 130- filtering dress
It sets, 131- filter frame, 132- filter layer, 140- low pressure alarm, 150- water level sensor, 160- overflow pipe, 170- Chi Gai,
180- inspection hole, 190- the first service hatch staving, 200- the second service hatch staving.
Specific embodiment
The activated sludge small-sized sewage treating system of the utility model is described in detail with reference to the accompanying drawing.
Embodiment 1
As shown in Fig. 1-2 and Fig. 9-13, a kind of activated sludge small-sized sewage treating system comprising the first processing pond 10,
Second processing pond 30 and aerator；
First processing pond 10 is connected by inlet steady flow device of water 20 with water inlet pipe.First processing pond 10 is preliminary sedimentation
Pond, be used for by inlet steady flow device of water 20 enter its in sewage carry out preliminary sedimentation, remove sewage in it is most compared with
Bulky grain pollutant.
Preferably, inlet steady flow device of water 20 is a tee tube.The supervisor of tee tube is perpendicular to the liquid in the first processing pond 10
Face.By using the inlet steady flow device of water 20, the turbulent condition caused by intaking in preliminary sedimentation tank can be reduced, sewage is improved
The removal rate of middle larger particles pollutant is lowered into organic loading and suspended matter load into catalytic oxidation aeration tank.
Partition 40 is provided in second processing pond 30, so that being divided to form in second processing pond 30 as aerobic aeration tank
50 and secondary sedimentation tank 60.Activated sludge is provided in aerobic aeration pond 50.
First processing pond 10 is connected by flow tube 70 with aerobic aeration pond 50.Preferably, inlet steady flow device of water 20 with
The dislocation arrangement of flow tube 70 improves deposition efficiency to reduce turbulent flow.40 bottom of partition is hanging, so that aerobic aeration pond 50 and two
Secondary 60 bottom of sedimentation basin connection.Also, the bottom of secondary sedimentation tank 60 is oblique.
In the present embodiment, aerator includes automatic control device 90, air pump 100, appendix 110 and aeration tube 120.
Aeration tube 120 is set to the side bottom in aerobic aeration pond 50 far from secondary sedimentation tank 60.Air pump 100 and automatic control fill
90 are set to be connected.110 upper end of appendix is connected with air pump 100, and lower end is connected with aeration tube 120, such as Figure 11-Figure 13 institute
Show.
Entered in aerobic aeration pond 50 by the sewage of preliminary sedimentation by flow tube 70 in first processing pond 10；Automatic control
The control of device 90 air pump 100 processed continues or intermittent unlatching, air pump 100 convey sky to aeration tube 120 by appendix 110
Gas, aeration tube 120 are discharged the air into aerobic aeration pond 50 by solarization air cap 121 thereon again.
As shown in Fig. 2, being set to the side bottom in aerobic aeration pond 50 far from secondary sedimentation tank 60 due to aeration tube 120
Portion, band activated sludge moves after air bubble is discharged from the solarization air cap 121 of aeration tube 120 in air, in aerobic aeration pond 50
Generate longitudinal recycle stream.The longitudinal recycle stream generated in aerobic aeration pond 50 can be easily by the heavy of secondary sedimentation tank the bottom of the slope
Shallow lake sludge is taken back in the mixed liquor in aerobic aeration pond 50.The eddy flow that air bubble generates, which is discharged, in aeration tube 120 facilitates secondary sink
Shallow lake bottom of pond portion sludge reflux greatly reduces the settled sludge of secondary precipitation bottom of pond portion, activated sludge sedimentation effect to aeration tank
It is good.
Preferably, in a state of use, the water outlet of flow tube 70 is that the liquid that protrudes into aerobic aeration pond 50 is intracorporal, to keep away
Longitudinal recycle stream in aeration tank is opened, the loss of activated sludge in aerobic aeration pond 50 is avoided；Meanwhile the first processing can be prevented
Anaerobic gas in pond 10 enters 50 top of aerobic aeration pond, achievees the purpose that protect air pump.
The Separation control of aerator runing time is determined by on-site actual situations, can be continuous operation, can also be set
Determine the mode of periodic running.Under the action of Microbial Communities in Activated Sludge, majority of organic pollutants is dropped in aeration tank
Solution is at inorganic matter.When system starts, the MLSS concentration in mixed liquor is lower, after the operation of several months or longer time, MLSS
Concentration may reach 4000-10000ppm.
Further, low pressure alarm 140 is provided on appendix 110.It is low when air pressure is too small in appendix 110
Pressure alarm 140 sounds an alarm.Specifically, low pressure alarm 140 can use gas pressure alarm in the prior art.
Further, the water level sensor being connected with automatic control device 90 is additionally provided on 50 top of aerobic aeration pond
150.When the liquid level of aerobic aeration tank 50 is higher than the position of water level sensor 150, automatic control device 90 can star water level
Alarm is alarmed.
Preferably, automatic control device 90 can use industrial personal computer or PLC controller, control cabinet etc..
Secondary sedimentation tank 60 is connected by flow regulator 80 with outlet pipe.Supernatant warp in secondary sedimentation tank 60
Overcurrent quantity regulating device and discharge.
As shown in Figure 9, Figure 10, flow regulator 80 is the connecting tube 81 of a sealed bottom；And the bottom of connecting tube 81
Side wall is formed with protruding portion 82 in a manner of outwardly projecting.First through hole 83 is offered on protruding portion 82, with protruding portion 82
Second through-hole 84 opposite with first through hole 83 is provided in opposite side wall；The diameter of second through-hole is first through hole diameter
Twice.In the mounted state, protruding portion 82 is towards the bottom of secondary sedimentation tank 60.When the sewage of larger flow is discharged into processing system
When system, since the aperture of first through hole 83 limits, water outlet is made in the limitation of small-bore apopore after the big flow processing in system
Processing system is gradually flowed out under, reduces flow suffered by processing system and organic loading impact.It is improper in system administration
In the case where, the entire processing system cycle of operation is too long, and first through hole 83 (metering hole) is it is possible that stopping state, pond at this time
Interior water level can increase, and water outlet flows out processing system via the second through-hole 84, to prevent system overflow phenomena.
The flow regulator structure of the present embodiment is simple, but can efficiently control and adjust small-sized sewage treating system
The variation of amount of inlet water and organic loading substantially reduces organic matter impact load and water impact load to system treatment effect
Influence, improve treatment effect and effluent quality.
Further, overflow pipe 160 is additionally provided in secondary sedimentation tank 60；Overflow pipe 160 and flow regulator 80
It is connected.Under the improper condition of system administration, filtering layer, which passed through prolonged operation, will appear the completely plugged situation of filtering layer,
The phenomenon that under the action of overflow pipe 160, overflow pipe plays the role of bypass, and it is excessively high to have prevented filtering hydraulic pressure, system overflow.
Further, activated sludge small-sized sewage treating system further includes pond lid 170.Correspond to first on pond lid 170
The position of processing pond 10 is provided with inspection hole 180；Preferably, inspection hole 180 is implicit inspection hole.It can be with by inspection hole 180
Cleaning maintenance is carried out to the first processing pond 10.
Position on pond lid 170 corresponding to aerobic aeration pond 50 is provided with the first service hatch staving 190, air pump 100
It is set in the first service hatch staving 190, it can be to air pump 100, appendix 110, aeration by the first service hatch staving 190
Pipe 120 and aerobic aeration tank 50 carry out cleaning maintenance.
Position on pond lid 170 corresponding to secondary sedimentation tank 60 is provided with the second service hatch staving 200, passes through the second dimension
Cleaning maintenance can be carried out to secondary sedimentation tank by repairing hole staving 200.
In the activated sludge small-sized sewage treating system of the present embodiment, the first processing pond 10, aerobic aeration pond 50 and secondary
Sedimentation basin can be built jointly with Unit three, not complicated internal structure, be installed simple and fast.
The water inlet feature of small-sized sewage treating system is that water discharge time concentrates on early, middle and late three periods substantially, it is necessary to
Consider the case where short-term has a power failure or resident is discharged into processing system without sewage when traveling.General small-scale sewage processing system
System cannot use daily maintenance and management measure, and the maintenance of system is at least with half a year for a period, so small designing
The various situations of people's daily life, the activated sludge small-scale sewage processing of the present embodiment must be taken into consideration when type sewage disposal system
System be suitable for above situation, can normal operation in all cases, the stable effluent quality of system.
The course of work of the activated sludge small-sized sewage treating system of the present embodiment is as follows:
After sewage flows into the first processing pond 10 via inlet steady flow device of water 20, coarse, specific gravity is greater than the solid of water
Grain impurity is deposited on 10 bottom of pond of the first processing pond under gravity precipitation；Specific gravity be lighter than the pollutants such as the oil of water, rouge float to
Liquid level；BOD after sewage is partially removed impurity in the first processing pond 10, in sewage5Be lowered with SS concentration, then via
Flow tube 70 enters aerobic aeration pond 50, and in aeration tank, aerator provides ozone for active sludge intermixture, protects
It holds and contains dissolved oxygen concentration appropriate in mixed liquor, the organic matter in waste water is captured by the aerobic bacteria in activated sludge particles,
Most of biodegradable organic pollutant is degraded to inorganic matter and water under biodegradation；Mixed liquor enters secondary
After sedimentation basin, suspended solid is precipitated under the effect of gravity on the inclined-plane of bottom of pond, by longitudinal recycle stream in aeration tank again band
Enter aeration tank, the suspended solid precipitated in secondary sedimentation tank is again introduced into the mixed liquor in aerobic aeration pond 50；After precipitation two
Supernatant water outlet in secondary sedimentation basin is discharged through flow regulator.
Flow regulator is used to the uniformity of regulating system water flow.In other words, flow regulator will discharge into
The peak inflow of processing system is temporarily trapped in processing system, by improve processing system in water level and metering hole control
Water flow is produced, high load capacity flow of inlet water is transformed into relatively uniform water flow, avoids processing system effectively high negative
Lotus impact, guarantees treatment effect.
The activated sludge small-sized sewage treating system of the present embodiment is after summarizing external numerous small-sized sewage treating systems
The novel process system of release can be applied to casual household, villa, Peasants Joy, the sewage treatment in restaurant or small-business area.General feelings
Under condition, the biochemical oxygen demand (BOD) (BOD of small-sized sewage treating system water inlet5) concentration 100 between 400mg/L, suspended solid
(SS) concentration is 100 between 400mg/L.It can be by this using the activated sludge small-sized sewage treating system of the utility model
Binomial index is reduced to lower concentration, reaches the discharge standard of certain level-one of national regulation.Also, the activity of the utility model
Sludge small-sized sewage treating system structure is simple, and device configuration is reasonable, only needs three processing units that can reach preferable dirt
Water treatment efficiency；In addition, processing system can be made to be fluctuated by water fluctuation and pollutant burden by using flow regulator
Influence it is smaller, high treating effect is stable；By using automatic control device, under normal running (operation) conditions, in 6-12 months
Operator is not needed to execute-in-place.
Embodiment 2
Compared with Example 1, the main distinction is the present embodiment, the activated sludge small-scale sewage processing system of the present embodiment
System further includes filter device 130, as shown in Fig. 3-Figure 13.
Filter device 130 is arranged in secondary sedimentation tank 60.Specifically, filter device 130 is arranged in flow regulator
80 lower sections.
Filter device 130 includes filter frame 131 and the filter layer 132 being set in filter frame 131.
Preferably, filter frame 131 is cylindrical in shape or box-shaped, but is not limited to above structure.In addition, filter frame 131 can be more
Layer structure.The installation of the filter device 130 of tubular or box structure and cleaning are more convenient, and service life is very long.
Soft cellulose filler and/or elastic filler are filled in filter frame 131, so that being formed in filter frame 131
Filtering layer 132.
Specifically, soft cellulose filler is three-dimensional soft cellulose filler, internal unordered and orderly filament can be with
Preferable filtering three-dimensional structure is provided.Elastic filler can use 3 D elastic filler.These fillers be easy to biomembrane attachment and
Growth.
Other fillers can certainly be selected, filler main points are that density wants moderate, are too closely easy blocking filtering layer, excessively
It is sparse to be effectively removed pollutant.
In order to improve effluent quality, the filter area of filter frame 131 can also be increased.
The activated sludge small-sized sewage treating system of the present embodiment is by being arranged filtering dress in secondary sedimentation tank supernatant liquid zone
130 are set, so that secondary sedimentation tank is formed as sedimentation and filtration ditch.
When secondary sedimentation tank supernatant flows through the filter layer of filter device 130, the suspended particulate and biochemistry in water outlet are aerobic
Amount is further reduced；Soft fiber inside soft cellulose filler plays the role of capture and filtering, and a part is outstanding
Floating solid is attached on fiber, constitutes the biofilm filtration net of three-dimensional structure, has been further functioned as the effect of purification water outlet, has been mentioned
High effluent quality.After filtering layer is handled, water outlet flows through last flow regulator discharge processing system.
Three-dimensional soft cellulose filler filtering layer will eventually be blocked up in the organism after operation after a period of time, gradually increased
Most of channel of filtering layer is clogged, the water level in each pond can raise simultaneously.At this point, automatic control device 90 is according to water level sensor
The variation of 150 signals can sound an alarm, and staff is reminded to carry out normal cleaning and maintenance to system.In filter device 130
Filter layer when blocking, the water outlet of secondary sedimentation tank can pass through overflow pipe and flow regulator bypass discharge processing system
System.
The activated sludge small-sized sewage treating system of the present embodiment will have by soft cellulose filler and/or elastic filler shape
At filter layer filter device 130 introduce secondary sedimentation tank, formed precipitating-filtering novel artistic, make processing water outlet one
The processing that precipitating with filtering are completed in a processing unit, has small in size, reduces that processing system land occupation, effect be good, the cycle of operation
Long advantage.
In addition, filter device 130 need not remove outside pond, just clean in pond, be when making normal system maintenance maintenance
The system maintenance work at scene has saved a large amount of manpower.
Compared with Example 1, treatment effect is more preferable for the activated sludge small-sized sewage treating system of the present embodiment, can be into one
Step purifies water.As shown in table 1.
1 treatment effect of table compares
It should be noted that all features disclosed in this specification or disclosed all methods or in the process the step of,
Other than mutually exclusive feature and/or step, it can combine in any way.
In addition, above-mentioned specific embodiment is exemplary, those skilled in the art can be in the utility model disclosure
Inspiration under find out various solutions, and these solutions also belong to the open scope of the utility model and fall into this reality
Within novel protection scope.It will be understood by those skilled in the art that the utility model specification and its attached drawing are explanation
Property and not constitute limitations on claims.The protection scope of the utility model is defined by the claims and their equivalents.
Claims (10)
1. a kind of activated sludge small-sized sewage treating system, characterized in that it comprises:
First processing pond (10), first processing pond (10) are connected by inlet steady flow device of water (20) with water inlet pipe；
Second processing pond (30) is provided with partition (40) in the second processing pond (30), so that the second processing pond
(30) it is divided to form in as aerobic aeration tank (50) and secondary sedimentation tank (60)；Partition (40) bottom is hanging, so that institute
Aerobic aeration pond (50) is stated to be connected to the secondary sedimentation tank (60) bottom；Also, the bottom of the secondary sedimentation tank (60) is in
It is skewed；First processing pond (10) is connected by flow tube (70) with the aerobic aeration pond (50)；Described aerobic
Aeration tank (50) is provided with activated sludge；The secondary sedimentation tank (60) is connected by flow regulator (80) with outlet pipe
It connects；
And aerator；The aerator includes automatic control device (90), air pump (100), appendix (110) and exposes
Tracheae (120)；
The aeration tube (120) is set to the side bottom in the aerobic aeration pond (50) far from the secondary sedimentation tank (60)
Portion；The air pump (100) is connected with the automatic control device (90)；Appendix (110) upper end and the air
Pump (100) is connected, and lower end is connected with the aeration tube (120).
2. activated sludge small-sized sewage treating system according to claim 1, which is characterized in that in the secondary sedimentation tank
(60) filter device (130) are additionally provided in.
3. activated sludge small-sized sewage treating system according to claim 2, which is characterized in that the filter device
It (130) include filter frame (131)；Soft cellulose filler and/or elastic filler are filled in the filter frame (131), so that
Filter layer (132) are formed in the filter frame (131).
4. activated sludge small-sized sewage treating system according to claim 3, which is characterized in that the filter frame (131)
Cylindrical in shape or box-shaped；And the filter frame (131) is multilayered structure.
5. activated sludge small-sized sewage treating system according to claim 1, which is characterized in that the inlet steady flow device of water
It (20) is a tee tube, the supervisor of the tee tube is perpendicular to the liquid level in first processing pond (10)；
Also, the inlet steady flow device of water (20) and the flow tube (70) dislocation are arranged.
6. activated sludge small-sized sewage treating system according to claim 1, which is characterized in that the flow regulator
It (80) is the connecting tube (81) of a sealed bottom；And the downside wall of the connecting tube (81) is formed in a manner of outwardly projecting
Protruding portion (82)；
First through hole (83) are offered on the protruding portion (82), are arranged in the side wall opposite with the protruding portion (82)
There is second through-hole (84) opposite with the first through hole (83), and the diameter of second through-hole is that the first through hole is straight
Twice of diameter；
In the mounted state, bottom of the protruding portion (82) towards the secondary sedimentation tank (60).
7. activated sludge small-sized sewage treating system according to one of claims 1 to 6, which is characterized in that described defeated
Low pressure alarm (140) are provided on tracheae (110).
8. activated sludge small-sized sewage treating system according to one of claims 1 to 6, which is characterized in that described good
Oxygen aeration tank (50) top is additionally provided with the water level sensor (150) being connected with the automatic control device (90).
9. activated sludge small-sized sewage treating system according to one of claims 1 to 6, which is characterized in that described two
Overflow pipe (160) are additionally provided in secondary sedimentation basin (60)；The overflow pipe (160) is connected with the flow regulator (80)
It is logical.
10. activated sludge small-sized sewage treating system according to one of claims 1 to 6, which is characterized in that the activity
Sludge small-sized sewage treating system further includes (170) Chi Gai；
Position on the Chi Gai (170) corresponding to first processing pond (10) is provided with inspection hole (180)；
Position on the Chi Gai (170) corresponding to the aerobic aeration pond (50) is provided with the first service hatch staving (190),
The air pump (100) is set in the first service hatch staving (190)；
Position on the Chi Gai (170) corresponding to the secondary sedimentation tank (60) is provided with the second service hatch staving (200).
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| CN201821076386.4U CN208500695U (en) | 2018-07-06 | 2018-07-06 | A kind of activated sludge small-sized sewage treating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108516656A (en) * | 2018-07-06 | 2018-09-11 | 张渝文 | A kind of activated sludge small-sized sewage treating system |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108516656A (en) * | 2018-07-06 | 2018-09-11 | 张渝文 | A kind of activated sludge small-sized sewage treating system |
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