CN107176753A - A kind of upgrade method of urban sewage treating device and handling process - Google Patents
A kind of upgrade method of urban sewage treating device and handling process Download PDFInfo
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- CN107176753A CN107176753A CN201710412046.8A CN201710412046A CN107176753A CN 107176753 A CN107176753 A CN 107176753A CN 201710412046 A CN201710412046 A CN 201710412046A CN 107176753 A CN107176753 A CN 107176753A
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- 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
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- 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
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- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/76—Treatment of water, waste water, or sewage by oxidation with halogens or compounds of halogens
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- 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
- C02F2001/007—Processes including a sedimentation step
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- 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
- C02F2209/005—Processes using a programmable logic controller [PLC]
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- 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
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- 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
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- 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 invention discloses a kind of urban sewage treating device and the upgrade method of handling process, for the upgrading Perfected device and method of original process for town sewage treatment, grid, settling pit, collecting-tank, lifting pump group, distribution reservoir, multistage above and below deflector type circulation anaerobic anoxic filter tank+biological contact oxidation pond, sedimentation basin and sterilization discharge pond handle connection in order, biological contact oxidation pond water outlet is back in multistage anaerobic/anoxic filter tank by the pump group that flows back, and sedimentation basin base sludge is discharged to sludge-tank by spoil disposal facility.The present invention gives for the deficiency and problem of original system and improved one by one and upgrade method, simultaneously by monitoring instrument on-line, highly realize automation, on the premise of existing DSET biochemical treatments pond is made full use of, do not increase civilwork engineering quantity, it is prevented effectively from sludge blockage phenomenon, the treatment effeciency for improving oxygen utilization rate, improving unit volume treatment tank, the processing quality for improving sewage, the effective guarantee upgrading of effluent quality.
Description
Technical field
The present invention relates to a kind of urban sewage treating device and the upgrade method of handling process, belong to sewage treatment area.
Background technology
Traditional urban sewage treatment process is in the majority with biological contact oxidation process, activated sludge process, has although the former decomposes
Machine thing works well, and power consumption is big, and corresponding auxiliary facility is more, though the latter's power consumption is small, but resolving time length is even
Decompose incomplete, influence whole structure, thus occur in that integrate anaerobism, aerobic sewage treatment technique.And publication number
City sewage treatment technology is disclosed for CN1259491A application, i.e., using DEST techniques（In a kind of buried multistage
Lower baffling submerged anaerobic- anoxic- oxic handling process）, the big portion of multistage anaerobic Cycle-decomposition is taken before bio-contact oxidation
Point organic substance, or undecomposed organic matter decomposing to small part hardly possible, then by biological contact oxidization treatment, collection anaerobism,
It is aerobic in one.But the technique still suffers from following defect：
1st, biochemical system water inlet end water distribution system existing defects, the branch main pipe road distribution water distribution used at present, by running for a long time,
It is very easy to block until bottom of pond mud layer is thicker；
2nd, because biochemical system water inlet end produces blocking, the sour aerogenesis of the bottom of pond siltation of biochemical system front end pond, production is caused to show
As obvious, rear end aerobic aeration oxygen utilization rate reduction is also resulted in；
3rd, rear end Aerobic Pond effluent recycling system operation actual conditions are difficult to the mistake for monitoring, influenceing the nitration denitrification of system deamination
Journey, the mechanism function so as to influence removal ammonia nitrogen in sewage.
4th, existing filler is catalyzed aging, the density and quantity of biological inoculum is reduced, simultaneously because DEST bottom of pond spoil disposals
There are a large amount of inorganic sludge and activated sludge and mixes, influences biochemical system to remove removal organic polluter in obstructed, bottom
Ability.
5th, the effect for system dephosphorization is relatively simple, in addition to biochemical system dephosphorization, in DEST internal systems without two
Level dephosphorization method.
The content of the invention
There is provided the upgrading of a kind of urban sewage treating device and handling process in order to overcome the defect of prior art by the present invention
Method, changes the water distribution manner of system, soil discharging facility and on-line monitoring equipment is added, by the way that Combined biochemical is used in combination
Two grades of dephosphorization apparatus of anti-aging filler and increase, on the basis of making full use of existing pond and civil engineering, do not increase civil engineering
Quantities, it is ensured that organic pollution and nitrogen phosphorus qualified discharge in effluent quality.
A kind of urban sewage treating device, grid, settling pit, collecting-tank, lifting pump group, distribution reservoir, multistage above and below baffling
Formula circulation anaerobic filter tank, biological contact oxidation pond, sedimentation basin, sterilization discharge pond are linked in sequence, the biological contact oxidation pond
Water outlet be back to by the pump group that flows back in the first order anaerobic filter above and below multistage in deflector type circulation anaerobic filter tank, it is described
Lower floor's sludge settling thing that sedimentation basin bottom is connected in spoil disposal facility, the sedimentation basin is passed through sludge digestion through sludge air-lift device
Handled in pond, supernatant liquor is passed through between sterilization discharge pond, the biological contact oxidation pond and sedimentation basin by pipeline and set
There is static mixing device, and it is internal added with dephosphorization agent, the supernatant liquor carried out in two grades of dephosphorization processing, the sludge digestion tank is returned
Deflector type circulation anaerobic filter tank above and below multistage is flow to, the sterilization discharge pond is connected with chlorination house, the biological contact oxidation pond
With air blower cooperating.
Preferably, the first order anaerobic filter in deflector type circulation anaerobic filter tank and the filter of afterbody anaerobism above and below the multistage
Pond is Anaerobic upflow.
Preferably, the water inlet end of deflector type circulation anaerobic filter tank and biological contact oxidation pond uses many above and below the multistage
Point type pulse water distribution device.
Preferably, online dissolved oxygen meter and online sludge concentration monitor are provided with the biological contact oxidation pond.
Preferably, carried out between the backflow pump group and first order anaerobic filter connecting pipe provided with online flow instrument real-time
Monitoring.
Preferably, the filler used above and below the multistage in deflector type circulation anaerobic filter tank and biological contact oxidation pond is group
Box-like biochemical anti-aging filler.
Preferably, the dephosphorization agent is one kind in polymerization ferrous sulfate, aluminium polychloride.
A kind of upgrade method of urban sewage treatment process, a kind of urban sewage treating device described in claim 1-7
It is that upgrading is carried out based on original process for town sewage treatment, comprises the following steps that：
Step one：Settling pit, collecting-tank are added in order between deflector type circulation anaerobic filter tank above and below grid and multistage and are matched somebody with somebody
Pond, the sewage pre-processed through grid enters distribution reservoir after flowing through settling pit and collecting-tank by lifting pump group, and by distribution reservoir
Deflector type circulation anaerobic filter tank above and below into multistage；
Step 2：The water inlet end of deflector type circulation anaerobic filter tank and biological contact oxidation pond uses Multi-point pulse above and below multistage
Water-distributing device；
Step 3：Online dissolved oxygen meter and online sludge concentration monitor are provided with biological contact oxidation pond, while in backflow
Monitored in real time provided with online flow instrument between pump group and first order anaerobic filter connecting pipe；
Step 4：Inner stuffing is updated, using the biochemical anti-aging filler of novel combination type, the surface area of filler is improved；
Step 5：Static mixing device is set up between biological contact oxidation pond and sedimentation basin, and internally adds dephosphorization agent, is entered
Two grades of dephosphorization processing of row；
Step 6：Be additionally arranged at the bottom of spoil disposal facility in sedimentation basin, when the system is operated between it is permanent cause after pool bottom sludge deposits, it is short
Spoil disposal facility is opened in time and carries out suction spoil disposal；
Step 7：The filtrate backflow facility that deflector type circulation anaerobic filter tank above and below original multistage is used is transformed, in life
Thing contact-oxidation pool connection backflow pump group, the effluent recycling of biological contact oxidation pond to multistage vertical folding streaming circulation anaerobic is filtered
Pond.
Beneficial effect:The invention discloses a kind of urban sewage treating device and the upgrade method of handling process, take
Lower deflector type circulation anaerobic anoxic filter tank+biological contact oxidation pond circular flow, with reference to bio-contact oxidation, precipitation, sterilization
Method, for the not enough of original system and problem, targetedly gives and improves one by one and upgrade method, while passing through on-line monitoring
Instrument, height realizes automation, on the premise of existing DSET biochemical treatments pond is made full use of（Do not increase civilwork engineering quantity）,
By improving and new material, the application of new equipment for built-in system, it is prevented effectively from sludge blockage phenomenon, is provided with operational administrative side
Just sludge drainage system, the treatment effeciency for improving oxygen utilization rate, being obviously improved unit volume treatment tank, sewage is improved
Processing quality, the effective guarantee upgrading of effluent quality.
Brief description of the drawings
Fig. 1 is process chart of the invention；
Fig. 2 is original municipal sewage treatment processing technological flow figure.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, it is real below in conjunction with the application
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described implementation
Example only some embodiments of the present application, rather than whole embodiments.Based on the embodiment in the application, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, should all belong to the application protection
Scope.
It is grid, settling pit, collecting-tank, lifting pump group, distribution reservoir, many as shown in figure 1, a kind of urban sewage treating device
Deflector type circulation anaerobic filter tank, biological contact oxidation pond, sedimentation basin, sterilization discharge pond are linked in sequence above and below level, the biology
The water outlet of contact-oxidation pool is back to the first order anaerobism above and below multistage in deflector type circulation anaerobic filter tank by the pump group that flows back
In filter tank, the sedimentation basin bottom connects lower floor's sludge settling thing in spoil disposal facility, the sedimentation basin through sludge air-lift device
Be passed through in sludge digestion tank and handled, supernatant liquor by pipeline be passed through sterilization discharge pond, the biological contact oxidation pond and
Static mixing device is provided between sedimentation basin, and it is internal added with dephosphorization agent, carry out in two grades of dephosphorization processing, the sludge digestion tank
Supernatant liquor be back to deflector type circulation anaerobic filter tank above and below multistage, the sterilization discharge pond is connected with chlorination house, the life
Thing contact-oxidation pool and air blower cooperating.
Preferably, the first order anaerobic filter in deflector type circulation anaerobic filter tank and the filter of afterbody anaerobism above and below the multistage
Pond is Anaerobic upflow.
Preferably, the water inlet end of deflector type circulation anaerobic filter tank and biological contact oxidation pond uses many above and below the multistage
Point type pulse water distribution device.
Preferably, online dissolved oxygen meter and online sludge concentration monitor are provided with the biological contact oxidation pond.
Preferably, carried out between the backflow pump group and first order anaerobic filter connecting pipe provided with online flow instrument real-time
Monitoring.
Preferably, the filler used above and below the multistage in deflector type circulation anaerobic filter tank and biological contact oxidation pond is group
Box-like biochemical anti-aging filler.
Preferably, the dephosphorization agent is one kind in polymerization ferrous sulfate, aluminium polychloride.
A kind of upgrade method of urban sewage treatment process, a kind of urban sewage treating device described in claim 1-7
It is that upgrading is carried out based on original process for town sewage treatment, comprises the following steps that：
Step one：Settling pit, collecting-tank are added in order between deflector type circulation anaerobic filter tank above and below grid and multistage and are matched somebody with somebody
Pond, the sewage pre-processed through grid enters distribution reservoir after flowing through settling pit and collecting-tank by lifting pump group, and by distribution reservoir
Deflector type circulation anaerobic filter tank above and below into multistage；
Step 2：The water inlet end of deflector type circulation anaerobic filter tank and biological contact oxidation pond uses Multi-point pulse above and below multistage
Water-distributing device；
Step 3：Online dissolved oxygen meter and online sludge concentration monitor are provided with biological contact oxidation pond, while in backflow
Monitored in real time provided with online flow instrument between pump group and first order anaerobic filter connecting pipe；
Step 4：Inner stuffing is updated, using the biochemical anti-aging filler of novel combination type, the surface area of filler is improved；
Step 5：Static mixing device is set up between biological contact oxidation pond and sedimentation basin, and internally adds dephosphorization agent, is entered
Two grades of dephosphorization processing of row；
Step 6：Be additionally arranged at the bottom of spoil disposal facility in sedimentation basin, when the system is operated between it is permanent cause after pool bottom sludge deposits, it is short
Spoil disposal facility is opened in time and carries out suction spoil disposal；
Step 7：The filtrate backflow facility that deflector type circulation anaerobic filter tank above and below original multistage is used is transformed, in life
Thing contact-oxidation pool connection backflow pump group, the effluent recycling of biological contact oxidation pond to multistage vertical folding streaming circulation anaerobic is filtered
Pond.
The workflow of the present invention is as follows：
（1）Tiny floating material is further removed through fine fack again after the debris that municipal sewage removes large volume through coarse rack first
Matter；
（2）The sewage pre-processed through grid enters distribution reservoir after flowing through settling pit and collecting-tank by lifting pump group, and by water distribution
Pond enters deflector type circulation anaerobic filter tank above and below multistage；
（3）Sewage flows through the spaced Anaerobic upflow of some levels and downflow system anaerobic filter in order, and sewage exists
Instantaneously entered in anaerobic filters at different levels by Multi-point pulse water-distributing device with powerful current in next stage anaerobic filter（It is described
Multistage above and below deflector type circulation anaerobic filter tank can by Anaerobic upflow, also can by downflow system anaerobic filter,
It is optimal with Anaerobic upflow starting because upward current are more easy to drive the activated sludge of filter tank bottom, its surface it is thin
Bacterium is conducive to the decomposition of organic matter, and multiple stage circulation also can arbitrarily be terminated with up flow type, downflow system anaerobic filter, still be detested with up flow type
Oxygen filter tank terminates to be preferred, because the sewage gone out after multiple stage circulation will directly enter biological contact oxidation pond, its underpart is provided with continuous
The qi-emitting hole of air is supplied, the sewage of downflow system anaerobic filter outflow is directly entered biological contact oxidation pond bottom, compares up flow type
The sewage that anaerobic filter comes out is more easy to occur crossfire, brings air into anaerobic pond, influences the scavenging effect of anaerobic pond.In order to prevent
Air seals in anaerobic filter, and water seal can be provided with the sewage inlet of biological contact oxidation pond.It is staggered in multiple stage circulation
Upper and lower filter tank number is determined by the treating capacity of whole facility.）；
（4）Biological contact oxidation pond is directly entered by the sewage in deflector type circulation anaerobic filter tank above and below multistage, and controls air blast
The qi-emitting hole for the continuously feeding air that machine is set by biological contact oxidation pond bottom provides biological contact oxidation pond oxygen source, simultaneously
The dissolved oxygen amount in biological contact oxidation pond and sludge concentration are carried out by online dissolved oxygen meter and online sludge concentration monitor real
When monitor；
（5）Water outlet in biological contact oxidation pond is passed through first of deflector type circulation anaerobic filter tank above and below multistage by the pump group that flows back
Reflux cycle is carried out in level anaerobic filter, and flow, the sewage warp of biological contact oxidation pond discharge are monitored by online flow instrument
Cross after static mixing device carries out two grades of dephosphorization processing and be passed through in sedimentation basin, remove the biomembrane and inorganic matter of aging, sedimentation basin
The sludge that lower floor accumulates sends into sludge digestion tank through sludge air-lift device, and the clear water on sedimentation basin top then enters sterilization pool through chlorination
Discharged after sterilization, sedimentation basin base sludge is discharged to sludge-tank by spoil disposal facility；The supernatant liquor of sludge digestion tank enters
Enter deflector type circulation anaerobic filter tank above and below multistage（It is preferred into multiple stage circulation before afterbody anaerobic filter, filtrate is through pump
Deliver to the first order anaerobic filter of multiple stage circulation）, base sludge then discharges.
For the deficiency of existing DEST systems, the present invention has carried out comprehensive perfect liter on the basis of existing DEST systems
Level transformation, specific transformation point is as follows：
（1）Existing DEST systems：Biochemical system water inlet end water distribution system existing defects, the branch main pipe road used at present distribution cloth
Water, is very easy to block by permanent operation, until bottom of pond mud layer is thicker.
Improved system：The water inlet end of deflector type circulation anaerobic filter tank and biological contact oxidation pond above and below multistage of the invention
Water-distributing device use the powerful stream impulse water distribution form of multipoint mode, can using powerful current instant water coming-in water distribution, will not block up
Fill in, while there is enough impact strengths to the sludge of bottom deposit, detesting in base sludge is able to ensure that while water distribution
The sufficient haptoreaction of organic pollution in oxygen biological inoculum and sewage, not only so as to it substantially improve current base sludge deposition
The bad present situation for be unable to degradation of organic substances, blocking on the contrary.
（2）Existing DEST systems：Because biochemical system water inlet end produces blocking, cause the bottom of pond silt of biochemical system front end pond
Mud deposition, the sour aerogenesis phenomenon of production substantially, also result in rear end aerobic aeration oxygen utilization rate reduction, in addition rear end Aerobic Pond water outlet
Return-flow system operation actual conditions are difficult to monitor, influence the process of the nitration denitrification of system deamination, so as to influenceing removal sewage
The mechanism function of middle ammonia nitrogen；
Improved system：The present invention sets up spoil disposal facility in sedimentation basin, while setting online molten in biological contact oxidation pond
Oxygen instrument is monitored in real time with online sludge concentration monitor, when the system is operated between the permanent pool bottom sludge that inevitably results in sink
Spoil disposal facility is opened after product, in the short time and carries out suction spoil disposal, it is ensured that sludge concentration keeps optimal in biological contact oxidation pond
Concentration.In addition the present invention is monitored in real time using online flow instrument to the reflux line flow for the pump group that flows back, and is easy to control system
The process of the nitration denitrification of system deamination.
（3）Existing DEST systems：Existing filler catalysis aging, the density and quantity for reducing biological inoculum, while by
In DEST bottom of pond spoil disposals are obstructed, bottom appearance a large amount of inorganic sludge and activated sludge are mixed, influence biochemical system to go
The ability of removal organic polluter.
Improved system：Used in the present invention above and below multistage in deflector type circulation anaerobic filter tank and biological contact oxidation pond
The anti-aging filler of Combined biochemical, relative to original elastic filler, specific surface area adds more than 25%, equivalent to adding 25%
Biological inoculum quantity, while using newest there are the anti-aging materials of sufficiently ductile and intensity to prevent from giving birth to for raw material, effectively
Change the aging and embrittlement of pond filler.
（4）Existing DEST systems：Effect for system dephosphorization is relatively simple, in addition to biochemical system dephosphorization,
DEST internal systems are without two grades of dephosphorization methods.
Improved system：Present invention increase before biological contact oxidation pond water side and sedimentation basin water inlet end has static state
Mixing arrangement, and two grades of dephosphorization processing of appropriate dephosphorization agent progress are added in static mixing device, can be right while dephosphorization
More preferable effect is played in the clarification of effluent quality of sedimentation tank.
The whole workflow of the present invention is all controlled, PLC is according to online dissolved oxygen without personal management using PLC program
Instrument, online sludge concentration monitor and online flow instrument feedback real time data, respectively control grid, air blower, backflow pump group,
Pump group work is lifted, whole program process is the conventional technical means that those skilled in the art grasp, and is described in detail so not adding.
The present invention can also make full use of existing treatment tank and civil engineering on the basis of, do not increasing civil engineering work
On the premise of journey amount, increase corresponding spoil disposal facility, static mixing device, online dissolved oxygen meter, online sludge concentration monitor and
Online flow instrument ensures the organic pollution and nitrogen phosphorus qualified discharge in effluent quality, meets《Urban wastewater treatment firm pollutant
Discharge standard》（GB18918-2002）One-level A standards.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (8)
1. a kind of urban sewage treating device, it is characterised in that：Grid, settling pit, collecting-tank, lifting pump group, distribution reservoir, multistage
Deflector type circulation anaerobic filter tank, biological contact oxidation pond, sedimentation basin, sterilization discharge pond are linked in sequence up and down, and the biology connects
The first order anaerobism that the water outlet of tactile oxidation pond is back to above and below multistage in deflector type circulation anaerobic filter tank by the pump group that flows back is filtered
Chi Zhong, lower floor's sludge settling thing that the sedimentation basin bottom is connected in spoil disposal facility, the sedimentation basin is logical through sludge air-lift device
Enter in sludge digestion tank and handled, supernatant liquor is passed through sterilization discharge pond, the biological contact oxidation pond by pipeline and sunk
Static mixing device is provided between the pond of shallow lake, and it is internal added with dephosphorization agent, carry out in two grades of dephosphorization processing, the sludge digestion tank
Supernatant liquor is back to deflector type circulation anaerobic filter tank above and below multistage, and the sterilization discharge pond is connected with chlorination house, the biology
Contact-oxidation pool and air blower cooperating.
2. a kind of urban sewage treating device according to claim 1, it is characterised in that：Deflector type is followed above and below the multistage
The first order anaerobic filter and afterbody anaerobic filter of ring anaerobic filter are Anaerobic upflow.
3. a kind of urban sewage treating device according to claim 1, it is characterised in that：Deflector type is followed above and below the multistage
The water inlet end of ring anaerobic filter and biological contact oxidation pond uses Multi-point pulse water-distributing device.
4. a kind of urban sewage treating device according to claim 1, it is characterised in that：In the biological contact oxidation pond
It is provided with online dissolved oxygen meter and online sludge concentration monitor.
5. a kind of urban sewage treating device according to claim 1 or 4, it is characterised in that：The backflow pump group and the
Monitored in real time provided with online flow instrument between one-level anaerobic filter connecting pipe.
6. a kind of urban sewage treating device according to claim 5, it is characterised in that：Deflector type is followed above and below the multistage
The filler used in ring anaerobic filter and biological contact oxidation pond is the anti-aging filler of Combined biochemical.
7. a kind of urban sewage treating device according to claim 1, it is characterised in that：The dephosphorization agent is polyaluminum sulfate
One kind in ferrous, aluminium polychloride.
8. a kind of upgrade method of urban sewage treatment process, it is characterised in that：A kind of municipal sewage described in claim 1-7
Processing unit is to carry out upgrading based on original process for town sewage treatment, is comprised the following steps that：
Step one：Settling pit, collecting-tank are added in order between deflector type circulation anaerobic filter tank above and below grid and multistage and are matched somebody with somebody
Pond, the sewage pre-processed through grid enters distribution reservoir after flowing through settling pit and collecting-tank by lifting pump group, and by distribution reservoir
Deflector type circulation anaerobic filter tank above and below into multistage；
Step 2：The water inlet end of deflector type circulation anaerobic filter tank and biological contact oxidation pond uses Multi-point pulse above and below multistage
Water-distributing device；
Step 3：Online dissolved oxygen meter and online sludge concentration monitor are provided with biological contact oxidation pond, while in backflow
Monitored in real time provided with online flow instrument between pump group and first order anaerobic filter connecting pipe；
Step 4：Inner stuffing is updated, using the biochemical anti-aging filler of novel combination type, the surface area of filler is improved；
Step 5：Static mixing device is set up between biological contact oxidation pond and sedimentation basin, and internally adds dephosphorization agent, is entered
Two grades of dephosphorization processing of row；
Step 6：Be additionally arranged at the bottom of spoil disposal facility in sedimentation basin, when the system is operated between it is permanent cause after pool bottom sludge deposits, it is short
Spoil disposal facility is opened in time and carries out suction spoil disposal；
Step 7：The filtrate backflow facility that deflector type circulation anaerobic filter tank above and below original multistage is used is transformed, in life
Thing contact-oxidation pool connection backflow pump group, the effluent recycling of biological contact oxidation pond to multistage vertical folding streaming circulation anaerobic is filtered
Pond.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107746152A (en) * | 2017-10-29 | 2018-03-02 | 翟文杰 | A kind of domestic living waste water treater |
| CN109354334A (en) * | 2018-12-12 | 2019-02-19 | 辽宁科技学院 | Biological wastewater treatment systems and sewage water treatment method |
| CN114436465A (en) * | 2021-12-22 | 2022-05-06 | 浙江省环保集团象山有限公司 | Novel urban and rural sewage treatment device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107746152A (en) * | 2017-10-29 | 2018-03-02 | 翟文杰 | A kind of domestic living waste water treater |
| CN109354334A (en) * | 2018-12-12 | 2019-02-19 | 辽宁科技学院 | Biological wastewater treatment systems and sewage water treatment method |
| CN114436465A (en) * | 2021-12-22 | 2022-05-06 | 浙江省环保集团象山有限公司 | Novel urban and rural sewage treatment device |
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