CN208471656U - A kind of catalytic oxidation type small-sized sewage treating system - Google Patents
A kind of catalytic oxidation type small-sized sewage treating system Download PDFInfo
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- CN208471656U CN208471656U CN201821074823.9U CN201821074823U CN208471656U CN 208471656 U CN208471656 U CN 208471656U CN 201821074823 U CN201821074823 U CN 201821074823U CN 208471656 U CN208471656 U CN 208471656U
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- aeration tank
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The utility model relates to a kind of catalytic oxidation type small-sized sewage treating systems comprising preformed precipitate pond, catalytic oxidation aeration tank and aerator.Preformed precipitate pond is connected by inlet steady flow device of water with water inlet pipe；Catalytic oxidation aeration tank is connected by flow tube with preformed precipitate pond；Catalytic oxidation aeration tank is connected by flow regulator with outlet pipe；And biofilm packing is provided in catalytic oxidation aeration tank；Aerator includes control device and the vertical axis Mechanical aerator being connected with control device；The aeration head of vertical axis Mechanical aerator is set in catalytic oxidation aeration tank.The utility model structure is simple: only need two or three processing ponds can reach preferable wastewater treatment efficiency；Rapid-action: system can reach normal processing after starting 3-4 horizontal；Treatment effect is stablized: being influenced smaller by water fluctuation and pollutant burden fluctuation, in the case where more than ten days are without water inlet, remains to the recovery processing capacity in 2-3 day.
Description
Technical field
The utility model relates to sewage treatment correlative technology fields, concretely relate to a kind of small-sized dirt of catalytic oxidation type
Water treatment 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 catalytic oxidation type small-sized sewage treating system.
The technical solution of the catalytic oxidation type small-sized sewage treating system of the utility model is as follows:
A kind of catalytic oxidation type small-sized sewage treating system comprising preformed precipitate pond, catalytic oxidation aeration tank and aeration
Equipment；
The preformed precipitate pond is connected by inlet steady flow device of water with water inlet pipe；
The catalytic oxidation aeration tank is connected by flow tube with the preformed precipitate pond；The catalytic oxidation aeration tank is logical
Overcurrent quantity regulating device is connected with outlet pipe；And biofilm packing is provided in the catalytic oxidation aeration tank；Wherein,
The flow regulator includes the tube body of sealed bottom, and a protruding portion is formed on the side wall of the tube body；Described prominent
Restricted orifice is opened up in portion out, the through-hole opposite with the metering hole is provided on the side wall opposite with the protruding portion, and
And the diameter of the through-hole is 1.5 times of the current limliting bore dia；In the mounted state, the protruding portion is towards bottom of pond；
The aerator includes control device and the vertical axis Mechanical aerator being connected with the control device；Institute
The aeration head for stating vertical axis Mechanical aerator is set in the catalytic oxidation aeration tank.
The catalytic oxidation type small-sized sewage treating system of the utility model is to summarize external numerous small-scale sewage processing systems
The novel process system released after system can be applied to casual household, villa, Peasants Joy, the sewage treatment in restaurant or small-business area.One
As in the case of, small-sized sewage treating system water inlet biochemical oxygen demand (BOD) (BOD5) concentration 100 between 400mg/L, suspend
The concentration of solid (SS) is 100 between 400mg/L.It can using the catalytic oxidation type small-sized sewage treating system of the utility model
This binomial index is reduced to lower concentration, reach the discharge standard of certain level-one of national regulation.Also, the utility model
Catalytic oxidation type small-sized sewage treating system have the advantages that
1. structure is simple: only need two or three processing ponds can reach preferable wastewater treatment efficiency；
2. rapid-action: system can reach normal processing after starting 3-4 horizontal；
3. treatment effect stablize: the utility model by water fluctuation and pollutant burden fluctuation influenced it is smaller, more than ten
In the case that day is without water inlet, remain to restore processing capacity in 2-3 days.
According to a preferred embodiment, the inlet steady flow device of water includes the first tee tube and the first short tube；It is described
One end of first short tube is connected with one end of the supervisor of first tee tube；In the mounted state, first short tube
The other end towards bottom of pond and port be located at liquid level hereinafter, the other end port of the supervisor of first tee tube be located at liquid level with
On.
According to a preferred embodiment, the flow tube includes the second tee tube and the second short tube；Described second is short
One end of pipe is connected with one end of the supervisor of second tee tube；In the mounted state, the supervisor of second tee tube
The other end towards bottom of pond and be located at liquid level below；The other end port of second short tube is located at liquid level or more.
According to a preferred embodiment, the inlet steady flow device of water and flow tube dislocation are arranged.
According to a preferred embodiment, the biofilm packing is honeycomb filler；It is cellular in the honeycomb filler
Diameter is 2-10 centimetres.
According to a preferred embodiment, it is additionally provided with and the control device on catalytic oxidation aeration tank top
The water level sensor being connected.
It further include Chi Gai according to a preferred embodiment；The area corresponding to the preformed precipitate pond is covered in the pond
Inspection hole and inspection cover are provided in domain；It covers in the region corresponding to the catalytic oxidation aeration tank and is provided in the pond
Aeration tank inspection chamber is provided with aeration tank inspection hole in the aeration tank inspection chamber；It covers in the pond corresponding to the stream
It is provided with water outlet inspection chamber in the region of quantity regulating device, is provided with water outlet inspection hole in the water outlet inspection chamber.
According to a preferred embodiment, be additionally provided in the catalytic oxidation aeration tank bottom it is hanging every
Plate, so that being formed as secondary sedimentation tank between the partition and the side wall of the installation flow regulator；Also, it is described secondary
The bottom of pond of sedimentation basin is oblique.
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 filter layer in the filter frame.
Compared with prior art, the catalytic oxidation type small-sized sewage treating system of the utility model has following beneficial to effect
Fruit:
The catalytic oxidation type small-sized sewage treating system of the utility model is to summarize external numerous small-scale sewage processing systems
The novel process system released after system can be applied to casual household, villa, Peasants Joy, the sewage treatment in restaurant or small-business area.One
As in the case of, small-sized sewage treating system water inlet biochemical oxygen demand (BOD) (BOD5) concentration 100 between 400mg/L, suspend
The concentration of solid (SS) is 100 between 400mg/L.It can using the catalytic oxidation type small-sized sewage treating system of the utility model
This binomial index is reduced to lower concentration, reach the discharge standard of certain level-one of national regulation.Specifically, this is practical new
The catalytic oxidation type small-sized sewage treating system of type has the advantages that
1. structure is simple: only need two or three processing ponds can reach preferable wastewater treatment efficiency；
2. rapid-action: system can reach normal processing after starting 3-4 horizontal；
3. treatment effect stablize: the utility model by water fluctuation and pollutant burden fluctuation influenced it is smaller, more than ten
In the case that day is without water inlet, remain to restore processing capacity in 2-3 days.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of the utility model embodiment 2；
Fig. 3 is A-A cross-sectional view in Fig. 2；
Fig. 4 is B-B cross-sectional view in Fig. 2；
Fig. 5 is the filter device schematic diagram that soft cellulose filler is used in the utility model embodiment 2；
Fig. 6 is the filtering layer material top view of filter layer in Fig. 5；
Fig. 7 is the filtering layer material side view of filter layer in Fig. 5；
Fig. 8 is the filter device schematic diagram that elastic filler is used in the utility model embodiment 2；
Fig. 9 be the utility model embodiment 1, in embodiment 2 flow regulator structural schematic diagram；
Figure 10 is C-C cross-sectional view in Fig. 9.
Reference signs list
10- preformed precipitate pond, 20- inlet steady flow device of water, the first tee tube of 21-, the first short tube of 22-, 30- catalytic oxidation aeration
Pond, 40- flow tube, the second tee tube of 41-, the second short tube of 42-, 50- flow regulator, 51- tube body, 52- protruding portion, 53-
Metering hole, 54- through-hole, 60- biofilm packing, 70- control device, 80- vertical axis Mechanical aerator, 81- aeration head, 82-
Driving motor, 83- air intake duct, 90- water level sensor, 100- Chi Gai, 110- inspection cover, the aeration tank 120- inspection chamber, 130-
It is discharged inspection chamber, 140- partition, 150- secondary sedimentation tank, 160- filter device, 161- filter frame, 162- filter layer.
Specific embodiment
The catalytic oxidation type 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 and Fig. 9, Figure 10, a kind of catalytic oxidation type small-sized sewage treating system comprising preformed precipitate pond 10,
Catalytic oxidation aeration tank 30 and aerator.
Preformed precipitate pond 10 is connected by inlet steady flow device of water 20 with water inlet pipe.When sewage is via water inlet pipe and water inlet current stabilization
After device 20 flows into preformed precipitate pond, the solid particle polluter that coarse, specific gravity is greater than water is deposited on pond under gravity precipitation
Bottom, specific gravity are lighter than the pollutants such as the oil of water, rouge and float to liquid level.After sewage is partially removed impurity in preformed precipitate pond, sewage
In BOD5It is lowered with SS concentration.
Preferably, inlet steady flow device of water 20 includes the first tee tube 21 and the first short tube 22.One end of first short tube 22 with
One end of the supervisor of first tee tube 21 is connected.In the mounted state, the other end of the first short tube 22 towards bottom of pond and is held
Mouth is located at liquid level hereinafter, the other end port of the supervisor of the first tee tube 21 is located at liquid level or more.
Inlet steady flow device of water 20 as described above is set by the water inlet in preformed precipitate pond 10, reduces water inlet and impacts and shape
At turbulent flow, provide metastable deposition condition for preformed precipitate pond.
Biofilm packing 60 is provided in catalytic oxidation aeration tank 30.It is mutually considered as the selection of biofilm packing
Channel diameter between structural strength, biomembrane adhesion and filler.
Specifically, biologic packing material will need to consider the structural strength of filler for a long time in catalytic oxidation aeration tank,
It collapses after biomembrane cannot being covered with there is a situation where filler；Filler can be rigid filled or frame-type flexibility
Filler, rigid filled surface can not be excessively smooth, the geometry that should be easy to adhere to using biomembrane, and water flow is necessary in filler
It is unimpeded, under the premise of guaranteeing treatment effect, delay the time that biomembrane blocking occurs in filler honeycomb；At small-scale sewage
Reason system belongs to unattended type system, processing system need to make normally to safeguard after (6-12 months) operation through after a period of time with
Maintenance, the program of maintenance include removing the sludge and biomembrane of accumulation, check the electromechanical equipment and control equipment of system, selected to fill out
The honeycomb aperture of material is not to occur biomembrane blocking aeration water circulation road as criterion.
Preferably, the honeycomb filler that the filler that the present embodiment uses is made of surface different male and fomale(M&F)s.In view of portion
The problem that will affect wastewater treatment efficiency after swarmming nest channel jam or cause filling block showy, so under normal circumstances, root
According to the concentration of wastewater influent, cellular diameter be may be selected between 2-10 centimetres.
Further, through operation after a period of time, the water stream channel in the too small filling block in aperture can be blocked, and expose
The microbubble that gas head generates can accumulate in filling block bottom, cause filling block to float, float in the aeration tank water surface.To prevent filler
Block floats, and can be fixed in catalytic oxidation aeration tank.Fixing means is unlimited, such as can be using the fixed filling block of band.
Catalytic oxidation aeration tank 30 is connected by flow tube 40 with preformed precipitate pond 10.Also, inlet steady flow device of water 20 with
The dislocation arrangement of flow tube 40, so that the position of the inlet and outlet in preformed precipitate pond 10 is in diagonal positions, has elongated precipitating
Distance improves sedimentation effect, is relatively efficiently lowered into the pollutant burden of catalytic oxidation aeration tank.
Preferably, flow tube 40 includes the second tee tube 41 and the second short tube 42.One end and the two or three of second short tube 42
One end of the supervisor of siphunculus 41 is connected.In the mounted state, the other end of the supervisor of the second tee tube 41 is towards bottom of pond and position
Below liquid level；The other end port of second short tube 42 is located at liquid level or more.
The channel for entering catalytic oxidation aeration tank 30 from preformed precipitate pond 10 as sewage by using above-mentioned flow tube 40, can
To prevent the floating material overflow of the water surface in preformed precipitate pond 10 from entering in catalytic oxidation aeration tank 30.
In addition, actual tests, which show preformed precipitate pond 10 also, can play mixed liquor in receiving portion catalytic oxidation aeration tank 30
In partial suspended solid effect, the suspended solid amount in catalytic oxidation aeration tank can be reduced.Specifically, catalytic oxidation exposes
Suspended solid in 30 mixed liquor of gas pond, under the action of mixing liquid recycle stream, part mixed liquor can be in the effect of hydro-flow thrust
Lower to be mixed and exchange with the sewage in 10 exit of preformed precipitate pond, fraction solids enter preformed precipitate pond 10 and are precipitated to preformed precipitate
Pond bottom of pond；Aeration tank mixed liquor is gradually mixed with the fluid communication in preliminary sedimentation tank, in the case where not intaking at night, is reduced pre-
Organic concentration in heavy pond, reduces the concentration of suspended solid in aeration tank.The biological film thickness of this retards of flow tube 40
The growth rate of degree extends the cycle of operation of biofilm packing.
Also, anaerobic gas is also possible to prevent using above-mentioned flow tube 40 and enters catalytic oxidation aeration tank, protects aerator
Motor.
Aerator includes control device 70 and the vertical axis Mechanical aerator 80 being connected with control device 70.Vertical pivot
The aeration head 81 of formula Mechanical aerator 80 is set in catalytic oxidation aeration tank 30.
Preferably, control device 70 can use industrial personal computer or PLC controller, control cabinet etc..
Preferably, vertical axis Mechanical aerator 80 can be pump-type impeller aerator, K-type impeller aerator, inversed umbrella type
Impeller aerator, inversed umbrella type tubular aerator or plate impeller aerator.Vertical axis Mechanical aerator, aerator turn
It is dynamic, so that it is formed negative pressuren zone at certain position, and suck air.
Specifically, the present embodiment is using inversed umbrella type tubular aerator comprising driving motor 82, air intake duct 83 and exposure
Gas head 81.
Driving motor 82 is connected with control device 70.83 top of air intake duct is connected with driving motor 82, and lower part is protruded into
In catalytic oxidation aeration tank 30.The lower end of air intake duct 83 is arranged in aeration head 81.Aeration head 81 is tubulose aeration head.
The Separation control of aerator runing time is determined by on-site actual situations, can be continuous operation mode, can also
To be according to circumstances set as periodic running mode.
Preferably, driving motor 82, can be certain in flood inundation on tracks using Totally-enclosed-type waterproof machine
Prevent water from entering inside motor in period, the waterproof performance of motor protects parts and components inside motor, is hardly damaged.
Tubulose aeration head generates microbubble aeration, improves oxygen-transfer efficiency, guarantee at biology under the action of certain revolving speed
Reason process is normally carried out.Solid particle in mixed liquor is cut into tiny particle by aeration head, it is made easily to be attached to biology
Filler surface generates biomembrane.
Catalytic oxidation aeration tank 30 is connected by flow regulator 50 with outlet pipe.
Wherein, flow regulator 50 includes the tube body 51 of sealed bottom, and it is prominent that one is formed on the side wall of tube body 51
Portion 52.Restricted orifice 53 is opened up on protruding portion 52, is provided on the upper side wall opposite with protruding portion 52 and 53 phase of metering hole
Pair through-hole 54, and the diameter of through-hole 54 is 1.5 times of 53 diameter of metering hole.In the mounted state, protruding portion 52 is towards pond
Bottom.
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.
The peak inflow for discharging into processing system is temporarily trapped in processing system by flow regulator 50, via current limliting
Hole gradually discharge system.Adjusting method is exactly the water level improved in processing system and controls water flow using metering hole, will
High load capacity flow of inlet water is transformed into relatively uniform water flow, so that processing system is effectively prevented high load capacity and impacts, at guarantee
Manage effect.
Further, the water level sensor being connected with control device 70 is additionally provided on 30 top of catalytic oxidation aeration tank
90.When the liquid level in catalytic oxidation aeration tank 30 is higher than the position of water level sensor 90, control device 70 can control water level
Alarm is alarmed.
It further, further include pond lid 100.Correspond in the region in preformed precipitate pond 10 on pond lid 100 and is provided with inspection
Hole and inspection cover 110.Correspond in the region of catalytic oxidation aeration tank 30 on pond lid 100 and is provided with aeration tank inspection chamber
120, aeration tank inspection hole is provided in aeration tank inspection chamber 120.Correspond to the area of flow regulator 50 on pond lid 100
It is provided with water outlet inspection chamber 130 in domain, is provided with water outlet inspection hole in water outlet inspection chamber 130.
In the catalytic oxidation type small-sized sewage treating system of the present embodiment, preformed precipitate pond 10 and catalytic oxidation aeration tank 30 can
To be built jointly with unit, complicated internal structure, is not 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
It must be taken into consideration the various situations of people's daily life when type sewage disposal system, at the catalytic oxidation type small-scale sewage of the present embodiment
Reason system be suitable for above situation, can normal operation in all cases, the stable effluent quality of system.
The course of work of the catalytic oxidation type small-sized sewage treating system of the present embodiment is as follows:
After sewage flows into preformed precipitate pond 10 via inlet steady flow device of water 20, coarse, specific gravity is greater than the solid particle of water
Impurity is deposited on bottom of pond under gravity precipitation, and specific gravity is lighter than the pollutants such as the oil of water, rouge and floats to liquid level, and sewage is in preliminary sedimentation
BOD after being partially removed impurity in shallow lake pond 10, in sewage5It is lowered with SS concentration；
Sewage in preformed precipitate pond 10 after preformed precipitate enters in catalytic oxidation aeration tank 30 via flow tube 40, is connecing
It touches in oxidation and aeration pond 30, mixed liquor is in vertical axis Mechanical aerator and biofilm packing 60 by control device control 70
It is cleaned under the action of biomembrane, specifically, the aerobic bacteria in the organic matter envelope in mixed liquor captures, it largely can biology
The organic pollutant of degradation is degraded to inorganic matter and water under biodegradation；Under the aerator effect of the present embodiment,
As soon as microbial film can be grown within the time less than one week to be attached on carrier, is reached in starting new processing system
To normal treatment effect, water outlet reaches certain discharge standard；
During continuous processing, the BOD of mixed liquor5And SS value is between 10-25ppm, it can be without any
Precipitation process and discharge, so the sewage by above-mentioned processing can be discharged via flow regulator 50.Flow regulator
For the uniformity of regulating system water flow.Flow regulator 50 temporarily retains the peak inflow for discharging into processing system
In processing system, via metering hole gradually discharge system.Adjusting method is exactly the water level and utilization limit improved in processing system
Discharge orifice controls water flow, and high load capacity flow of inlet water is transformed into relatively uniform water flow, avoids processing system effectively
High load capacity impact guarantees treatment effect.
The catalytic oxidation type small-sized sewage treating system of the utility model is to summarize external numerous small-scale sewage processing systems
The novel process system released after system can be applied to casual household, villa, Peasants Joy, the sewage treatment in restaurant or small-business area.One
As in the case of, small-sized sewage treating system water inlet biochemical oxygen demand (BOD) (BOD5) concentration 100 between 400mg/L, suspend
The concentration of solid (SS) is 100 between 400mg/L.It can using the catalytic oxidation type small-sized sewage treating system of the utility model
This binomial index is reduced to lower concentration, reach the discharge standard of certain level-one of national regulation.Specifically, this is practical new
The catalytic oxidation type small-sized sewage treating system of type has the advantages that
1. structure is simple: only need two or three processing ponds can reach preferable wastewater treatment efficiency；
2. rapid-action: system can reach normal processing after starting 3-4 horizontal；
3. treatment effect stablize: the utility model by water fluctuation and pollutant burden fluctuation influenced it is smaller, more than ten
In the case that day is without water inlet, remain to restore processing capacity in 2-3 days；
In conclusion the catalytic oxidation type small-sized sewage treating system structure of the present embodiment is simple, high treating effect, in 6-
12 middle of the month do not need manual maintenance and operation, and effluent quality can reach expected discharge standard.
Embodiment 2
Compared with Example 1, the main distinction is the present embodiment, the catalytic oxidation type small-scale sewage processing of the present embodiment
System is also formed with secondary sedimentation tank 150, as shown in Figure 2 and Figure 3.
Specifically, the hanging partition 140 in a bottom is additionally provided in catalytic oxidation aeration tank 30, so that 140 He of partition
It installs and is formed as secondary sedimentation tank 150 between the side wall of flow regulator 50.The bottom of pond of secondary sedimentation tank 150 is oblique.
Also, filter device 160 is additionally provided in secondary sedimentation tank 150.Specifically, the setting of filter device 130 is adjusted in flow and is filled
Set lower section.
Preferably, filter device 160 includes filter frame 161；In filter frame 161 filled with soft cellulose filler and/or
Elastic filler, so that forming filter layer 162 in filter frame 161.
Preferably, filter frame 161 is cylindrical in shape or box-shaped, but is not limited to above structure.In addition, filter frame 161 can be more
Layer structure.The installation of the filter device 160 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 161, so that being formed in filter frame 161
Filtering layer 162.
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 161 can also be increased.
In catalytic oxidation treatment process, the biomembrane relic of the bulky grain to fall off on a small quantity from biofilm surface or sheet
Specific gravity is larger, and the major part in these solids cuts into little particle by aeration head, is attached to biofilm surface, a small portion again
Divide as mixed liquor enters in secondary sedimentation tank 150；Into in the mixed liquor in secondary sedimentation tank 150 contain small part biomembrane
Relic and the small suspended solid of particle, these little particle suspended solids do not allow the method removal of easy-to-use gravity precipitating, need to adopt
This partial suspended solia particle is removed with the method for biofiltration, this partial suspended solid particle is also BOD5Pollutant reduces
Suspended sediment concentration also just further reduced the pollutant concentration in water outlet.Suspended solid in sedimentation basin, in water outlet
Two kinds of different phenomenons are revealed in development, and the biomembrane fragment density in mixed liquor is high, it is easy to precipitate in fast heavy pond, at aeration
Hydraulic detention time of the sewage in this fast heavy pond after reason is far below the hydraulic detention time in other secondary settling tanks, so fastly
The volume in heavy pond is small compared with common secondary settling tank.Biomembrane fragment is precipitated to the inclined-plane of bottom quickly in fast heavy pond by gravity, by
Longitudinal recycle stream in contact-oxidation pool brings aeration tank into again, is again introduced into mixed liquor, contains in the water of fast heavy pond supernatant liquid zone
There are suspended solid fine particles above-mentioned, these solid particles are more difficult to be removed with common intermediate processing, but can use the side of biofiltration
Method removal.
And it can be used to remove a part by the way that filter device 160 is arranged in the top clear water zone of secondary sedimentation tank 150
Such particle.
When secondary sedimentation tank supernatant flows through the filter layer of filter device 160, 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.
Flow regulator is used to the uniformity of regulating system water flow.Flow regulator 50 will discharge into processing system
Peak inflow be temporarily trapped in processing system, via metering hole gradually discharge system.Adjusting method is exactly raising processing
Water level and metering hole in system and control water flow, high load capacity flow of inlet water is transformed into relatively uniform water flow,
So that processing system is effectively prevented high load capacity impact, guarantees treatment effect.
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, control device is according to water level sensor signal
Variation can sound an alarm, and staff is reminded to carry out normal cleaning and maintenance to system.
The catalytic oxidation type small-sized sewage treating system of the present embodiment will have by soft cellulose filler and/or elastic filler
The filter device of the filter layer of formation introduces secondary sedimentation tank, forms the novel artistic of Filtration-Precipitation, makes processing water outlet at one
The processing that precipitating with filtering are completed in processing unit, has small in size, reduces that processing system land occupation, effect is good, the cycle of operation is long
The advantages of.
In addition, filter device need not remove outside pond, just clean in pond, be existing when making normal system maintenance maintenance
The system maintenance work of field has saved a large amount of manpower.
Compared with Example 1, treatment effect is more preferable, Ke Yijin for the catalytic oxidation type small-sized sewage treating system of the present embodiment
One step purifies water.As shown in table 1.
Table 1
The catalytic oxidation type small-sized sewage treating system rest part of the present embodiment is same as Example 1.
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 catalytic oxidation type small-sized sewage treating system, characterized in that it comprises:
Preformed precipitate pond (10), the preformed precipitate pond (10) are connected by inlet steady flow device of water (20) with water inlet pipe；
Catalytic oxidation aeration tank (30), the catalytic oxidation aeration tank (30) pass through flow tube (40) and the preformed precipitate pond (10)
It is connected；The catalytic oxidation aeration tank (30) is connected by flow regulator (50) with outlet pipe；And it is connect described
Biofilm packing (60) are provided in touching oxidation and aeration pond (30)；
Wherein, the flow regulator (50) includes the tube body (51) of sealed bottom, the shape on the side wall of the tube body (51)
Cheng Youyi protruding portion (52)；Restricted orifice (53) are opened up on the protruding portion (52), opposite with the protruding portion (52)
The through-hole (54) opposite with the metering hole (53) is provided on side wall, and the diameter of the through-hole (54) is the metering hole
(53) 1.5 times of diameter；In the mounted state, the protruding portion (52) is towards bottom of pond；
And aerator；The aerator includes control device (70) and the vertical pivot that is connected with the control device (70)
Formula Mechanical aerator (80)；The aeration head (81) of the vertical axis Mechanical aerator (80) is set to the catalytic oxidation and exposes
In gas pond (30).
2. catalytic oxidation type small-sized sewage treating system according to claim 1, which is characterized in that the water inlet current stabilization dress
Setting (20) includes the first tee tube (21) and the first short tube (22)；
One end of first short tube (22) is connected with one end of the supervisor of first tee tube (21)；In installation condition
Under, the other end of first short tube (22) is towards bottom of pond and port is located at liquid level hereinafter, first tee tube (21)
The other end port of supervisor is located at liquid level or more.
3. catalytic oxidation type small-sized sewage treating system according to claim 1, which is characterized in that the flow tube (40)
Including the second tee tube (41) and the second short tube (42)；
One end of second short tube (42) is connected with one end of the supervisor of second tee tube (41)；In installation condition
Under, the other end of the supervisor of second tee tube (41) towards bottom of pond and is located at liquid level or less；Second short tube (42)
Other end port is located at liquid level or more.
4. catalytic oxidation type small-sized sewage treating system according to claim 1, which is characterized in that the water inlet current stabilization dress
(20) and the flow tube (40) dislocation is set to arrange.
5. catalytic oxidation type small-sized sewage treating system according to claim 1, which is characterized in that the biofilm packing
It (60) is honeycomb filler；Cellular diameter is 2-10 centimetres in the honeycomb filler.
6. catalytic oxidation type small-sized sewage treating system according to claim 1, which is characterized in that in the catalytic oxidation
Aeration tank (30) top is additionally provided with the water level sensor (90) being connected with the control device (70).
7. catalytic oxidation type small-sized sewage treating system according to claim 1, which is characterized in that further include Chi Gai
(100)；
Correspond in the region of the preformed precipitate pond (10) on the Chi Gai (100) and is provided with inspection hole and inspection cover
(110)；
Correspond in the region of the catalytic oxidation aeration tank (30) on the Chi Gai (100) and is provided with aeration tank inspection chamber
(120), aeration tank inspection hole is provided in the aeration tank inspection chamber (120)；
Correspond in the region of the flow regulator (50) on the Chi Gai (100) and be provided with water outlet inspection chamber (130),
Water outlet inspection hole is provided in the water outlet inspection chamber (130).
8. according to claim 1 to catalytic oxidation type small-sized sewage treating system described in one of 7, which is characterized in that described
It is additionally provided with the hanging partition in a bottom (140) in catalytic oxidation aeration tank (30), so that described in the partition (140) and installation
Be formed as secondary sedimentation tank (150) between the side wall of flow regulator (50)；Also, the pond of the secondary sedimentation tank (150)
Bottom is oblique.
9. catalytic oxidation type small-sized sewage treating system according to claim 8, which is characterized in that in the secondary precipitation
Filter device (160) are additionally provided in pond (150).
10. catalytic oxidation type small-sized sewage treating system according to claim 9, which is characterized in that the filter device
It (160) include filter frame (161)；Soft cellulose filler and/or elastic filler are filled in the filter frame (161), so that
Filter layer (162) are formed in the filter frame (161).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821074823.9U CN208471656U (en) | 2018-07-06 | 2018-07-06 | A kind of catalytic oxidation type small-sized sewage treating system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821074823.9U CN208471656U (en) | 2018-07-06 | 2018-07-06 | A kind of catalytic oxidation type small-sized sewage treating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108516613A (en) * | 2018-07-06 | 2018-09-11 | 张渝文 | A kind of catalytic oxidation type 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 |
|---|---|---|---|---|
| CN108516613A (en) * | 2018-07-06 | 2018-09-11 | 张渝文 | A kind of catalytic oxidation type small-sized sewage treating system |
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