CN108314273A - A kind of sewage disposal device and sewage water treatment method - Google Patents
A kind of sewage disposal device and sewage water treatment method Download PDFInfo
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- CN108314273A CN108314273A CN201810349828.6A CN201810349828A CN108314273A CN 108314273 A CN108314273 A CN 108314273A CN 201810349828 A CN201810349828 A CN 201810349828A CN 108314273 A CN108314273 A CN 108314273A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 131
- 239000010865 sewage Substances 0.000 title claims abstract description 95
- 238000000034 method Methods 0.000 title claims description 50
- 238000009295 crossflow filtration Methods 0.000 claims abstract description 22
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 230000001954 sterilising effect Effects 0.000 claims abstract description 15
- 238000001914 filtration Methods 0.000 claims description 24
- 230000001105 regulatory effect Effects 0.000 claims description 21
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 10
- 239000000706 filtrate Substances 0.000 claims description 8
- 239000006228 supernatant Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 6
- 239000010802 sludge Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 description 7
- 230000003647 oxidation Effects 0.000 description 7
- 238000007254 oxidation reaction Methods 0.000 description 7
- 238000012545 processing Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000003197 catalytic effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008929 regeneration Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- 238000007654 immersion Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000003403 water pollutant Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 238000011001 backwashing Methods 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004033 diameter control Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/28—Anaerobic digestion processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The present invention relates to a kind of sewage disposal devices, including sequentially connected biological reaction pool, cross-flow filter, more medium filter and sterilization pool, anaerobic pond is arranged in the head end of biological reaction pool, end is provided with aerobic tank, sewage disposal device further includes controller, and the water inlet end of cross-flow filter is pumped by mixed-liquor return to be connected with aerobic tank；The water outlet of cross-flow filter is connected by first pipe with anaerobic pond；Cross-flow filter includes casing and the cross-flow filtration pipe in casing；The filter hole of a diameter of 30 500um is offered on the tube wall of cross-flow filtration pipe；The length meter number X of cross-flow filter and daily treated sewage ton amount Y has following relationship：X=aY, wherein a are 0.02 0.06；The ratio range of the length X and diameter Z of cross-flow filter are 5.5 12, have obtained sewage disposal device small, low in energy consumption, that expense is low.
Description
Technical field
The invention belongs to sewage treatment field, more particularly to a kind of sewage disposal device and sewage water treatment method.
Background technology
Existing integrated sewage treating apparatus includes MBR process equipments and contact oxidation technology equipment, wherein MBR techniques
Equipment includes immersion MBR and external MBR, MBR process equipment again compared to traditional water treatment technology, have process it is closed,
Prevent the features such as secondary pollution, effluent quality is excellent, floor space is small and special disposal device need not be arranged for sludge, but its is high-quality
It is cost that water outlet, which is high energy consumption and fouling membrane, existing MBR techniques no matter immersion or external all exist aeration quantity greatly,
The problem of high energy consumption, film cost is high, and film needs periodically (several months) manually cleaning, and film service life is usually no more than 5 years, it is in addition outer
It sets formula MBR techniques to also need to that high-power circulating pump is separately provided, cost of sewage disposal is very high；Contact oxidation technology equipment due to
Using catalytic oxidation+precipitation+filtering technique, need that secondary settling tank is arranged and filter pump be separately provided, have take up a large area, cost
The shortcomings of height, high energy consumption.
Invention content
To solve the above-mentioned problems, the present invention provides a kind of sewage disposal device and sewage water treatment methods, at guarantee
Stable water outlet after reason meets《Beijing's water pollutant comprehensive discharge standard》(DB11/307-2013) while, high degree
Various aspects cost is reduced, pushes the fast development of sewage treatment industry, concrete scheme as follows：
A kind of sewage disposal device, including sequentially connected biological reaction pool, cross-flow filter, more medium filter and disappear
Anaerobic pond is arranged in the head end in malicious pond, biological reaction pool, and end is provided with aerobic tank, and sewage disposal device further includes controller, wrong
The water inlet end of flow filter is pumped by mixed-liquor return to be connected with aerobic tank end；The water outlet of cross-flow filter passes through the first pipe
Road is connected with anaerobic pond head end；Cross-flow filter includes casing and the cross-flow filtration pipe in casing；The pipe of cross-flow filtration pipe
The filter hole of a diameter of 30-500um is offered on wall；The length meter number X of cross-flow filter has with daily treated sewage ton amount Y
Following relationship：X=aY, wherein a are 0.02-0.06；The ratio range of the length X and diameter Z of cross-flow filter are 5.5-12, i.e.,
Z=(5.5-12) X；Water outlet is provided on casing, water outlet is connected by second pipe with the water inlet of more medium filter,
The water outlet of more medium filter is connected with third pipeline, and first flow regulating valve and first-class measurement are provided in first pipe
Measure device；Second flow regulating valve and second flow measuring device are set on third pipeline；Mixed-liquor return pump, first flow tune
Section valve, first flow measuring device, second flow regulating valve and second flow measuring device are connected with controller.
Wherein, biological reaction pool may include the anaerobic pond being connected and aerobic tank (AO), can also include being sequentially connected
Anaerobic pond/anoxic pond/aerobic tank (AAO)；Controller is for controlling each mechanical devices, to realize the automatic of whole equipment
Change operation, reduces artificial degree of participation；Cross-flow filtration pipe is cylindrical in shape, and mixed liquor is whole to flow to when by cross-flow filtration pipe
It is parallel with cross-flow filtration pipe；Aerobic tank has liquid outlet, and is connected with cross-flow filter by pipeline；Mixed-liquor return pumps
It can be arranged outside aerobic tank, that is, be arranged on the pipeline between cross-flow filter and aerobic tank, can also be arranged aerobic
In pond；X and Y is the pure digi-tal for omitting unit, to show the relationship between the volume of cross-flow filter and sewage load, with
Realize excellent wastewater treatment efficiency.
Sewage disposal device provided by the present invention after sewage is by biochemical reaction tank, needs not move through secondary settling tank, but logical
The backflow mixed liquor from aerobic tank to anaerobic pond is crossed, water outlet is directly filtered by cross-flow filter, by the way that cross-flow is arranged
The parameters such as the volume of filter realize filtration of the water outlet after cross-flow filter by more medium filter, in conjunction with chemistry
The water of the techniques such as dephosphorization, discharge can meet《Beijing's water pollutant comprehensive discharge standard》Requirement, connect compared to more existing
Oxidizing process is touched, secondary settling tank and filter pump is omitted, compares existing MBR techniques, the cost of cross-flow filter is low, service life
Long, manual maintenance demand is small, by simple component combination, has obtained small, low in energy consumption, low manufacture cost, operating cost
The low sewage disposal device low with equipment failure rate.
Preferably, cross-flow filtration pipe is made of steel, by the way that steel are arranged to tubular, and micropore is opened up on steel,
The diameter control of micropore is in 30-500um, you can realizes to sewage water filtration processing, and cross-flow filter can realize automatic backflushing
It washes, without manually cleaning or medicine is washed, greatly reduces cost of manufacture and equipment failure rate.
Further, sewage disposal device further includes sterilization pool, the water outlet of more medium filter by third pipeline with
Sterilization pool is connected.
Further, it is additionally provided with backwash water inlet on casing, backwash pump is provided in sterilization pool, recoil washes
The mouth of a river is connected by the 4th pipeline with the backwash pump in sterilization pool, and first to be connected with controller is provided on the 4th pipeline
Check-valves and the first inlet valve；The first backflow non-return valve is additionally provided in first pipe；The water inlet end of cross-flow filter with mix
It is provided with second check-valve between liquid reflux pump；First pipe between first backflow non-return valve and cross-flow filter is also associated with
5th pipeline is provided with the first drain valve on the 5th pipeline, the second inlet valve is provided on second pipe；First reflux cut-off
Valve, check-valves, the second inlet valve and the first drain valve are connected with controller.
By above-mentioned setting, cross-flow filtration pipe can turn one's coat wash using filtered clear water, to ensure that mistake was stayed
The continuous use of filter.
Further, the second backflow non-return valve is provided on third pipeline, third pipeline is discharged close to more medium filter
It is connected by the 6th pipeline with the 4th pipeline at mouthful；It is provided with third inlet valve on 6th pipeline；Second pipe is connected with
Seven pipelines, are provided with the second drain valve on the 7th pipeline, the second backflow non-return valve, the second drain valve and third inlet valve with control
Device processed is connected.By above-mentioned setting, more medium filter can turn one's coat wash using filtered clear water, it is more to ensure
The continuous use of medium filter.
Further, pressure sensor is provided on the inside of cross-flow filtration pipe, the water inlet of anaerobic pond is connected with raw water water inlet
It manages, third flow detector is provided on raw water water inlet pipe；Pressure sensor and flow detector are connected with controller；Control
Device processed includes first flow adjustment module and second flow adjustment module；
First flow adjustment module, the pressure data for receiving pressure sensor transmission, and in preset pressure threshold
Range is compared, and when pressure data exceeds preset pressure threshold range, first flow regulating valve is adjusted, until pressure
Force data is within the scope of pressure threshold；
Second flow adjustment module, water flow data and third flow for receiving the transmission of second flow measuring device
The raw water discharge data that detection device is sent calculate the difference of water flow data and raw water discharge data, and will
Difference is compared with preset difference value range, and when difference exceeds preset difference value range, second flow regulating valve is adjusted,
Until difference is in preset difference value range.
The pressure formed to tube wall in cross-flow filtration pipe by controlling first flow regulating valve guarantee mixed liquor, was forming
Cross-flow is formed to the pollutant on filtering layer surface while filter to wash away, delay the blocking of filter hole, further increase equipment fortune
Capable stability；By controlling second flow regulating valve, ensure that raw water inflow and clear water water yield are essentially identical, error is can
It controls in range, sewage treatment capacity can be further increased.
On the other hand, the present invention also provides a kind of sewage water treatment method, include the following steps：
Raw water enters biological reaction pool, carries out sewage disposal；
Mixed liquor of the mixed-liquor return pumped Jing Guo Aerobic Process for Treatment, mixed liquor pass through cross-flow according to the flow velocity of 2-3m/s
Filter, and anaerobic pond is back to by first pipe, into another cycle；Simultaneously mixed liquor when by cross-flow filtration pipe,
Primary filtrate is obtained by the filtration of filter hole；
Primary filtrate enters more medium filter after covering Tube Drain by water outlet, in the filtering of more medium filter
After handled after clear water, and sterilization pool is expelled to by third pipeline, is discharged after disinfection；
Wherein, the ratio W=R+1 of the regurgitant volume of mixed liquor and raw water inflow, wherein R are return sludge ratio；Pass through control
The water yield of clear water is identical as the inflow of raw water after second flow regulating valve control process processed.
By above-mentioned sewage water treatment method, the mixed liquor of aerobic tank passes through cross-flow filter, and a part carries out sludge reflux,
Another part enters more medium filter by tentatively filtering, directly filtering after be discharged, ensure cross-flow filter volume with
Relationship between sewage load simultaneously, controls ratio between flow velocity, regurgitant volume and the inflow of mixed liquor and water yield
Numerical value under collective effect, can effectively purify sewage, the clear water obtained after treatment can meet《Beijing
Water pollutant comprehensive discharge standard》, the suspended matter control by equipment water outlet that can be steady in a long-term is within 10mg/L.
Further, raw water is septic tank supernatant, and biological reaction pool includes adjacent anaerobic pond and aerobic tank, anaerobic pond
Water outlet and the water inlet of aerobic tank between difference in height be 30-50cm, anaerobism pool volume and the ratio of aerobic pool volume are
1:3-1:4。
Preferably, R 200%-300%；It is further preferred that anaerobic pond hydraulic detention time is 2-4h；Aerobic water
The power residence time is 4-8h.For septic tank supernatant, using sewage disposal device provided by the invention and sewage water treatment method,
High in the clear water quality of in summary index, discharge, operation energy consumption is low, has wide application prospect.
Sewage disposal device and sewage water treatment method provided by the invention are omitted by the way that simple cross-flow filtration pipe is arranged
MBR films or secondary settling tank and filter pump, parameters, which are rationally arranged, can achieve the purpose that sewage disposal；Operation energy consumption is less than existing
30% or more integrated sewage treating apparatus for the MBR techniques that some generally uses, less than the existing contact oxygen generally used
10% or more the integrated sewage treating apparatus of change+filtering technique.Sewage disposal device occupied space and use immersion MBR works
The integrated sewage treating apparatus of skill is suitable, is less than the integrated sewage treating apparatus of catalytic oxidation+filtering technique.Cost of manufacture
Less than the integrated sewage treating apparatus at least 20% using MBR techniques or catalytic oxidation+filtering technique.Operating cost (including
Consumptive material is lost) also below 50% or more the integrated sewage treating apparatus using MBR techniques, less than using catalytic oxidation+filtering
The integrated sewage treating apparatus of technique at least 20%.Equipment failure rate reduces 30% or more.Filter device need not manually cleaning,
Medicine is washed.Whole equipment runs achievable high degree of automation, and stable, can realize at least a year, without artificial
Attended Operation and adjustment.
Description of the drawings
The sewage disposal device and waste water processes structural schematic diagram of Fig. 1 embodiments 1；
The sewage disposal device and waste water processes structural schematic diagram of Fig. 2 embodiments 2；
Each module annexation figure of Fig. 3 embodiments 3.
Wherein, HL is reflux；W is intake for raw water；GL is filtering；GLC is that filtering is discharged；FX is backwash water；FXP is backwash
Draining；P is draining up to standard.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and examples, and the following example is only used for explaining the present invention
Invention content, be not intended to limit the scope of the invention.
Embodiment 1
A kind of sewage disposal device, as shown in Figure 1, including sequentially connected biological reaction pool 1, cross-flow filter 2 and more
Medium filter 3, biological reaction pool 1 include adjacent anaerobic pond 101 and aerobic tank 102, and sewage disposal device further includes control
The water inlet end of device, cross-flow filter 2 is connected by mixed-liquor return pump 5 with 102 end of aerobic tank；The water outlet of cross-flow filter 2
End is connected by first pipe 103 with 101 head end of anaerobic pond；Cross-flow filter 2 is including casing 104 and in casing 104
Cross-flow filtration pipe 105；The filter hole that diameter d is 30-500um is offered on the tube wall of cross-flow filtration pipe 105；Cross-flow filter 2
Length meter number X and daily treated sewage ton amount Y there is following relationship：X=aY, wherein a are 0.02-0.06；Cross-flow filter 2
The ratio range b of length X and diameter Z be 5.5-12；Water outlet 106 is provided on casing 104, water outlet 106 passes through second
Pipeline 108 is connected with the water inlet 201 of more medium filter 3, and the water outlet of more medium filter 3 is connected with third pipeline 109,
First flow regulating valve 110 and first flow measuring device 111 are provided in first pipe 103；Is arranged on third pipeline 109
Two flow control valves 112 and second flow measuring device 113；Mixed-liquor return pump 5, first flow regulating valve 110, first flow
Measuring device 111, second flow regulating valve 112 and second flow measuring device 113 are connected with controller, cross-flow filtration pipe
105 are made of steel.
The operation logic of the present embodiment sewage disposal device is as follows：Raw water initially enters anaerobic pond, the water inlet of anaerobic pond
It is necessarily connected with raw water water inlet pipe, subsequently into aerobic tank, the mixed liquor in aerobic tank carries out cycle weight by cross-flow filter
Newly enter anaerobic pond, carries out subsequent cycle；Since filter hole is arranged in cross-flow filter, so mixed liquor is filtered by filter hole
Effect obtains primary filtrate；Primary filtrate enters more medium filter 3 after covering Tube Drain, by water outlet 106, in multimedium mistake
Clear water after being handled after the filtering of filter 3, and be discharged by third pipeline 109, it is expelled to disinfection if sterilization pool is set
Pond is expelled directly out if do not set；In equipment runs progress sewage disposal process, controller controls all parts,
Control mixing flow velocity V is 2-3m/s, and the regurgitant volume of mixed liquor and the ratio W=R+1 of raw water inflow, wherein R return for sludge
Stream ratio；In addition the water yield of clear water and the inflow of raw water are identical after control process.It should be noted that the biochemistry of the present invention is anti-
It can be the arbitrary existing biochemical reactor for including anaerobic pond and aerobic tank to answer device, and the debugging process of entire biochemical reactor is not
It considers, the sewage disposal that the present invention refers to is built upon the adapted basis for finishing, directly being applied of biochemical reactor
On.
In order to embody the technique effect that the present embodiment sewage disposal is set, it is septic tank supernatant now to limit treatment sewage,
Biochemical reactor includes anaerobic pond and aerobic tank, and capital equipment includes：Cross-flow filter, 1；More medium filter, 1；Stream
Adjustable valve, 2；Flow measurement device, 2；Mixed-liquor return pumps, 1；Pipeline and valve are several.
Actual effect：Clear water by processing discharge is up to state standards, provided by the present invention often to handle 100 tons of sewage
Ten thousand yuan of sewage disposal device cost of manufacture 20-25；Operating cost (including energy consumption and average consumptive material are lost)：Less than 100 yuan；Even
1 year plant maintenance number of reforwarding row：0-1 times；The integrated sewage disposal of the existing universal MBR techniques for often handling 100 tons of sewage
Equipment, cost of manufacture are ten thousand yuan of 50-60；Operating cost (including energy consumption and average consumptive material are lost)：200-250 members；Continuous operation
1 year plant maintenance number：6-12 times；The integration of the existing Conventional contact oxidation+filtering technique for often handling 100 tons of sewage is dirty
Water treatment facilities, cost of manufacture are ten thousand yuan of 30-35；Operating cost (including energy consumption and average consumptive material are lost)：120-160 members, even
Reforwarding row half a year plant maintenance number：2-5 times.
Embodiment 2
As shown in Fig. 2, the sewage disposal device that the present embodiment is provided, difference lies in sewage disposal is set with embodiment 1
Standby further includes sterilization pool 4, backwash pump 203 is provided in sterilization pool 4, the water outlet of more medium filter 3 passes through third pipe
Road 109 is connected with sterilization pool 4.Backwash water inlet 201 is additionally provided on casing 104, backwash water inlet 201 passes through the 4th
Pipeline 202 is connected with backwash pump 203, and the first check-valve 204 being connected with controller and are provided on the 4th pipeline 202
One inlet valve 205；The first backflow non-return valve 206 is additionally provided in first pipe 103；The water inlet end of cross-flow filter 2 with mix
Second check-valve 205 is provided between liquid reflux pump 5；First pipe between first backflow non-return valve 206 and cross-flow filter 2
103 are also associated with the 5th pipeline 207, and the first drain valve 208 is provided on the 5th pipeline 207, and is provided on second pipe 108
Two inlet valves 209；First backflow non-return valve 206, check-valves 204, the second inlet valve 209 and the first drain valve 208 and controller
It is connected.The second backflow non-return valve 210 is provided on third pipeline 109, third pipeline 109 is discharged close to more medium filter 3
It is connected by the 6th pipeline 211 with the 4th pipeline 202 at mouthful；It is provided with third inlet valve 212 on 6th pipeline 211；Second
Pipeline 108 is connected with the 7th pipeline 213, is provided with the second drain valve 214 on the 7th pipeline 213, the second backflow non-return valve 210,
Second drain valve 214 and third inlet valve 212 are connected with controller.
Anti- cleaning process is as follows, when the first drain valve 208 of control and the opening of second check-valve 205, first flow regulating valve
110 and second inlet valve 209 close when, backwash regeneration can be carried out to cross-flow filter, when control 214 He of the second drain valve
Third inlet valve 212 is opened, and when the second inlet valve 209 and the second backflow non-return valve 210 are closed, more medium filter may be implemented
Backwash regeneration；Backwash regeneration when is carried out and stopped, being monitored by the way that sensor is arranged on pipeline, also may be used
, can be easy to implement by controller fixed routine is arranged, it is not specifically limited.
Sewage disposal device provided in this embodiment, setting sterilization pool carry out disinfection processing to clear water after filtering, rise simultaneously
Clear water Water storage after to processing filters back washing device by setting, and simple pipeline setting is just using clear water after filtering point
It is other that backwash regeneration is carried out to cross-flow filter and more medium filter, without artificial cleaning, pass through automatically controlling for controller
It can be realized, stable operation 1 year or more can be reached and be not necessarily to manual intervention.
Embodiment 3
Such as the sewage disposal device that Fig. 3 shows, the present embodiment is provided, difference lies in cross-flow filtration pipes 105 with embodiment 2
Inside is provided with pressure sensor 301, and the water inlet of anaerobic pond 101 is connected with raw water water inlet pipe, is provided on raw water water inlet pipe
Third flow detector 302；Pressure sensor 301 and third flow detector 302 are connected with controller；Controller includes
First flow adjustment module 303 and second flow adjustment module 304；
First flow adjustment module 303, the pressure data P for receiving the transmission of pressure sensor 301, and in preset pressure
Force threshold range is compared, and when pressure data P exceeds preset pressure threshold range, is carried out to first flow regulating valve 110
It adjusts, until pressure data P is within the scope of pressure threshold；Pressure threshold ranges preferably from 0.5-1.5 kilograms/cm2。
Second flow adjustment module 304, the water flow data and for receiving the transmission of second flow measuring device 113
The raw water discharge data that three flow detectors 302 are sent calculate water flow data and raw water discharge data
Difference, and difference and preset difference value range are compared, when difference exceeds preset difference value range, to second flow regulating valve
112 are adjusted, until difference is in preset difference value range.
Ensure that mixed liquor in a certain range, while controlling raw water and entering water and clear water water outlet to the pressure of cross-flow filtration pipe
It measures identical, the service life of whole equipment can be extended, delay the blocking of filter hole, while improving effluent characteristics.
Embodiment 4
The present embodiment provides a kind of application such as sewage water treatment methods of 1 sewage disposal device of embodiment, include the following steps：
Raw water enters biological reaction pool 1, carries out sewage disposal；Biological reaction pool 1 may include that connected anaerobic pond is become reconciled
Oxygen pond；It can also include the anaerobic pond/anoxic pond/aerobic tank being connected；It is determined according to the demand of processing raw water；
Mixed liquor of 5 extraction of mixed-liquor return pump Jing Guo Aerobic Process for Treatment, mixed liquor tangentially lead to according to the flow velocity of V=2-3m/s
Cross-flow filter 2 is crossed, and anaerobic pond 101 is back to by first pipe 103, into another cycle；Mixed liquor is logical simultaneously
When mistake flows through chimney filter 105, primary filtrate is obtained by the filtration of filter hole；
Water outlet 106 is also set up on casing 104, primary filtrate is entered more after the drainage of casing 104 by water outlet 106
Medium filter 3, clear water after being handled after the filtering of more medium filter 3, and disinfection is expelled to by third pipeline 109
Pond 4, is discharged after disinfection；
Wherein, the ratio W=R+1 of the regurgitant volume of mixed liquor and raw water inflow, wherein R are return sludge ratio；Pass through control
The water yield of clear water is identical as the inflow of raw water after 112 control process of second flow regulating valve processed.
The sewage water treatment method provided through this embodiment, raw water sewage enters biological reaction pool, according to different
Raw water quality can select the different biological reaction pools for including anaerobic pond and aerobic tank；In the end end of aerobic tank and anaerobic pond
Head end among be provided with cross-flow filter, by cross-flow filter volume, filter hole size, mixing flow velocity, regurgitant volume
Rationally it is arranged with inflow ratio；Parameters cooperate, obtain good sewage processing effect, it is simple in structure, be fabricated to
This cheap equipment, sewage is effectively treated in realization, while sewage disposal is stable, and failure rate is low, later maintenance cost
Low, operation energy consumption and operating cost are relatively low, have huge market prospects.
In order to embody the effect of sewage water treatment method provided by the present invention, raw water is limited as septic tank supernatant；Biology
Reaction tank includes the aerobic tank positioned at the anaerobic pond of head end and positioned at end；To each technological parameter, wastewater treatment efficiency and take
Investigation is shown in Table 1, and wherein Z is often to handle 100 tons of sewage operating costs (including energy consumption and average consumptive material are lost), not in table
The achievement data shown meets national standard.
The influence of table 1, each index to sewage disposal
By above-mentioned test result it is found that sewage water treatment method provided by the invention, parameters cooperate, energy consumption is low,
Good sewage processing effect.
Embodiment 5
The sewage water treatment method that the present embodiment is provided, difference lies in it is to change excrement to further limit raw water with embodiment 4
Pond supernatant, biological reaction pool 1 include adjacent anaerobic pond 101 and aerobic tank 102, the water outlet 106 of anaerobic pond 101 with it is aerobic
Difference in height between the water inlet in pond 102 is 30-50cm, and the ratio of 101 volume of anaerobic pond and 102 volume of aerobic tank is 1:3-1:
4.R is 200%-300%；101 hydraulic detention time of anaerobic pond is 2-4h；102 hydraulic detention time of aerobic tank is 4-8h.
By a large number of experiments it is found that using sewage disposal device provided by the invention and sewage water treatment method, to septic tank
When supernatant is handled, using above-mentioned functional parameter, the best efficiency of sewage disposal can be reached.
Claims (10)
1. a kind of sewage disposal device, including sequentially connected biological reaction pool (1), cross-flow filter (2) and multi-medium filtering
Device (3), the head end setting anaerobic pond (101) of the biological reaction pool (1), end are provided with aerobic tank (102), and feature exists
In the sewage disposal device further includes controller, and the water inlet end of the cross-flow filter (2) pumps (5) by mixed-liquor return
It is connected with the aerobic tank (102) end；Detested with described by first pipe (103) water outlet of the cross-flow filter (2)
Oxygen pond (101) head end is connected；The cross-flow filter (2) includes casing (104) and the cross-flow in described sleeve pipe (104)
Chimney filter (105)；The filter hole of a diameter of 30-500um is offered on the tube wall of the cross-flow filtration pipe (105)；The cross-flow
The length meter number X of filter (2) and daily treated sewage ton amount Y has following relationship：X=aY, wherein a are 0.02-0.06；It is described
The ratio range of the length X and diameter Z of cross-flow filter (2) are 5.5-12；Described sleeve pipe is provided with water outlet on (104)
(106), the water outlet (106) is connected by second pipe (108) with the water inlet of the more medium filter (3), described
The water outlet of more medium filter (3) is connected with third pipeline (109), and first flow is provided on the first pipe (103)
Regulating valve (110) and first flow measuring device (111)；Second flow regulating valve (112) is set on the third pipeline (109)
With second flow measuring device (113)；The mixed-liquor return pump (5), first flow regulating valve (110), first flow measure
Device (111), second flow regulating valve (112) and second flow measuring device (113) are connected with the controller.
2. sewage disposal device as described in claim 1, which is characterized in that the sewage disposal device further includes sterilization pool
(4), the water outlet of the more medium filter (3) is connected by third pipeline (109) with the sterilization pool (4).
3. sewage disposal device as claimed in claim 2, which is characterized in that described sleeve pipe is additionally provided with backwash on (104)
Water inlet (201), is provided with backwash pump (203) in the sterilization pool (4), and the backwash water inlet (201) passes through the
Four pipelines (202) are connected with the backwash pump (203), are provided on the 4th pipeline (202) and the controller phase
First check-valve (204) even and the first inlet valve (205)；The first reflux cut-off is additionally provided on the first pipe (103)
Valve (206)；It is provided with second check-valve between the water inlet end of the cross-flow filter (2) and mixed-liquor return pump (5)
(205)；First pipe (103) between first backflow non-return valve (206) and cross-flow filter (2) is also associated with the 5th pipe
Road (207) is provided with the first drain valve (208) on the 5th pipeline (207), is provided on the second pipe (108)
Two inlet valves (209)；First backflow non-return valve (206), backwash pump (203), check-valves (204), the second inlet valve
(209) it is connected with the controller with the first drain valve (208).
4. sewage disposal device as claimed in claim 3, which is characterized in that be provided with second on the third pipeline (109)
Backflow non-return valve (210), the third pipeline (109) are managed close to the more medium filter (3) water outlet and the described 4th
Road (202) is connected by the 6th pipeline (211)；It is provided with third inlet valve (212) on 6th pipeline (211)；It is described
Second pipe (108) is connected with the 7th pipeline (213), and the second drain valve (214), institute are provided on the 7th pipeline (213)
The second backflow non-return valve (210), the second drain valve (214) and third inlet valve (212) is stated to be connected with the controller.
5. sewage disposal device as described in claim 1, which is characterized in that the cross-flow filtration pipe (105) is made of steel.
6. sewage disposal device as described in claim 1, which is characterized in that be provided on the inside of the cross-flow filtration pipe (105)
The water inlet of pressure sensor (301), the anaerobic pond (101) is connected with raw water water inlet pipe, is arranged on the raw water water inlet pipe
There is third flow detector (302)；The pressure sensor (301) and third flow detector (302) and the control
Device is connected；The controller includes first flow adjustment module (303) and second flow adjustment module (304)；
The first flow adjustment module (303), the pressure data for receiving the pressure sensor (301) transmission, and in
Preset pressure threshold range is compared, when pressure data exceeds preset pressure threshold range, to first flow regulating valve
(110) it is adjusted, until pressure data is within the scope of pressure threshold；
The second flow adjustment module (304), the water flow data for receiving second flow measuring device (113) transmission
The raw water discharge data sent with third flow detector (302), calculate water flow data and raw water discharge
The difference of data, and the difference and preset difference value range are compared, when difference exceeds preset difference value range, to second
Flow control valve (112) is adjusted, until difference is in preset difference value range.
7. a kind of sewage water treatment method of application sewage disposal device as described in claim 1, which is characterized in that including as follows
Step：
Raw water enters biological reaction pool (1), carries out sewage disposal；
Mixed-liquor return pumps mixed liquor of (5) extraction Jing Guo Aerobic Process for Treatment, and mixed liquor passes through cross-flow according to the flow velocity of 2-3m/s
Filter (2), and anaerobic pond (101) is back to by first pipe (103), into another cycle；Mixed liquor is passing through simultaneously
When cross-flow filtration pipe (105), primary filtrate is obtained by the filtration of filter hole；
Primary filtrate enters more medium filter (3) after casing (104) drainage, by water outlet (106), in multi-medium filtering
Clear water after being handled after the filtering of device (3), and sterilization pool (4) is expelled to by third pipeline (109), it is carried out after disinfection
Discharge；
Wherein, the ratio W=R+1 of the regurgitant volume of the mixed liquor and raw water inflow, wherein R are return sludge ratio；Pass through control
The water yield of clear water is identical as the inflow of raw water after second flow regulating valve (112) control process processed.
8. sewage water treatment method as claimed in claim 5, which is characterized in that the raw water is septic tank supernatant, the life
Object reaction tank (1) includes adjacent anaerobic pond (101) and aerobic tank (102), the water outlet (106) of the anaerobic pond (101) with
Difference in height between the water inlet of the aerobic tank (102) is 30-50cm, anaerobic pond (101) volume and the aerobic tank
(102) ratio of volume is 1:3-1:4.
9. sewage water treatment method as claimed in claim 7, which is characterized in that the R is 200%-300%.
10. sewage water treatment method as claimed in claim 7, which is characterized in that anaerobic pond (101) hydraulic detention time is
2-4h；Aerobic tank (102) hydraulic detention time is 4-8h.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810349828.6A CN108314273A (en) | 2018-04-18 | 2018-04-18 | A kind of sewage disposal device and sewage water treatment method |
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| CN201810349828.6A CN108314273A (en) | 2018-04-18 | 2018-04-18 | A kind of sewage disposal device and sewage water treatment method |
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