CN107473495A - Integral circulating biochemical sewage treating apparatus and its correlation technique - Google Patents
Integral circulating biochemical sewage treating apparatus and its correlation technique Download PDFInfo
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- CN107473495A CN107473495A CN201610407197.XA CN201610407197A CN107473495A CN 107473495 A CN107473495 A CN 107473495A CN 201610407197 A CN201610407197 A CN 201610407197A CN 107473495 A CN107473495 A CN 107473495A
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- 239000010865 sewage Substances 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title claims description 33
- 239000010802 sludge Substances 0.000 claims abstract description 157
- 238000010992 reflux Methods 0.000 claims abstract description 89
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000001556 precipitation Methods 0.000 claims abstract description 25
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 4
- 238000011010 flushing procedure Methods 0.000 claims description 20
- 238000004062 sedimentation Methods 0.000 claims description 20
- 239000002351 wastewater Substances 0.000 claims description 20
- 238000011001 backwashing Methods 0.000 claims description 19
- 238000012545 processing Methods 0.000 claims description 16
- 238000009954 braiding Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 10
- 238000010926 purge Methods 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 6
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 238000005276 aerator Methods 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000006396 nitration reaction Methods 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- IBIRZFNPWYRWOG-UHFFFAOYSA-N phosphane;phosphoric acid Chemical compound P.OP(O)(O)=O IBIRZFNPWYRWOG-UHFFFAOYSA-N 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 125000001477 organic nitrogen group Chemical group 0.000 claims description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 5
- 230000035800 maturation Effects 0.000 abstract description 2
- 230000003647 oxidation Effects 0.000 description 9
- 238000007254 oxidation reaction Methods 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 238000004065 wastewater treatment Methods 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 238000007726 management method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 241000256113 Culicidae Species 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000011026 diafiltration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 208000014451 palmoplantar keratoderma and congenital alopecia 2 Diseases 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000002699 waste material Substances 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
-
- 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
Landscapes
- 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)
- Water Treatment By Electricity Or Magnetism (AREA)
- Physical Water Treatments (AREA)
Abstract
Integral circulating biochemical sewage treating apparatus, including inlet channel, mud, water mixed zone, anoxic zone, aerobic zone, precipitation inhalant region and the settling zone of upstream-downstream relationship connection are followed successively by, wherein, anoxic zone is connected by air lift circulation pipe with aerobic zone；Also include sludge refluxing apparatus, sludge refluxing apparatus includes the total canal of sludge reflux and the first air lift mud return line being connected with the upstream of mud, water mixed zone, settling zone is connected by the first air lift mud return line with the total canal of sludge reflux, or settling zone passes sequentially through the first air lift mud return line and sludge reflux branch pipe or branch canal and is connected with the total canal of sludge reflux；Settling zone is also connected with Chinese effluent device.This sewage-treatment plant, it is particularly suitable for small towns, Residential concentration area, Scene Tourist point living area etc.；There is relatively small, the with strong points, technology maturation of investment, simple in construction, stable performance, service life is long, floor space is small, operating cost is low, safe and reliable to operation, maintenance management is convenient.
Description
Technical field
The present invention relates to technical field of sewage.
Background technology
According to the current practical operation situation such as small towns, centralized residential district small-scale sewage treatment facility or device both at home and abroad, it is typically all
Using conventional sewage handling process such as：Contact oxidation method (type containing AO or A2/O), small-sized oxidation ditch and CASS (SBR systems
Row) etc., processing technological flow length, operational management requires to need corresponding professional and technical personnel, in particular for remote small towns,
It will be unable to corresponding supervisory engineering staff and technical support be provided.When sewage treatment process need lifted timestamp, using conventional treatment
Process for Effluent requires ammonia nitrogen≤5 (8) mg/L；Total nitrogen≤15mg/L, common process nitrification liquid backflow high energy consumption, it is desirable to ammonia nitrogen and
Total nitrogen concentration is lower, then can greatly increase the operating cost of sewage disposal.
Using conventional processing equipment such as：The forms such as MBR film devices, integrated buried type equipment, biological rotating disk or biological runner,
Exist operating cost is high, regular maintenance is costly, operational management has certain potential safety hazard, water outlet can not stably reaching standard, together
When nitrification liquid backflow all be present or the problems such as sludge reflux etc. uses pump reflux, and sewage disposal system is more complicated.If using normal
The oxidation pond treatment technologies of rule, artificial rapid diafiltration technology, anaerobism+artificial wet land sewage treating process or unpowered sanitary sewage are net
Makeup such as puts at the technique, and existing although operating cost is relatively low, in running influences (mainly stink, mosquitos and flies) on surrounding enviroment,
Fluctuation of service, exist filtering layer block, wetland exist it is seasonal unstable, effluent quality can not stably reaching standard, occupation of land be present
The shortcomings that area is big.
The content of the invention
To accelerate to promote Small Town Wastewater treatment facility pace of construction, for improving cities and towns Ecology, improving human settlement's mass,
Promoting the sustainable and healthy development of Small town economy society, corrosion resistance is stronger, operation, it is necessary to which a kind of mature technology is reliable
Cost is low, the simply corrosion resistant integrated sewage treating apparatus of management service, and its related sewage water treatment method, discharge remain
Remaining sludge method and back-flushing method.
The present invention is answers foregoing invention purpose, there is provided technical scheme be：Provide a kind of Integral circulating biochemical sewage processing
Equipment：
Including be followed successively by upstream-downstream relationship connection inlet channel, mud, water mixed zone, anoxic zone, aerobic zone, precipitation inhalant region and
Settling zone,
Wherein, anoxic zone is connected by air lift circulation pipe with aerobic zone；
Also include sludge refluxing apparatus, sludge refluxing apparatus include the total canal of sludge reflux being connected with the upstream of mud, water mixed zone and
First air lift mud return line, settling zone are connected by the first air lift mud return line with the total canal of sludge reflux, or settling zone according to
It is secondary to be connected by the first air lift mud return line and sludge reflux branch pipe or branch canal with the total canal of sludge reflux；
Settling zone is also connected with Chinese effluent device.
According to above-mentioned technical proposal, the Integral circulating biochemical sewage treating apparatus,
Also include device for discharging sludge, the device for discharging sludge includes sludge reflux branch pipe or branch canal and the second air lift sludge reflux
Bottom of the tube air hose；
Second air lift mud return line bottom air pipe is arranged on settling zone, sludge reflux branch pipe or branch canal one end and sludge reflux is total
Canal is connected, and the other end is connected with excess sludge delivery pipe, and the first air lift sludge reflux is also associated with sludge reflux branch pipe or branch canal
The mud mouth of pipe and the second air lift mud return line bottom air pipe；
Sludge reflux between sludge reflux branch pipe or branch canal mud mouth and the second air lift mud return line bottom air pipe mud mouth
The first magnetic valve or lock are provided with branch pipe or branch canal, in the second air lift mud return line bottom air pipe mud mouth and excess sludge
Second solenoid valve or lock are provided with sludge reflux branch pipe or branch canal between delivery pipe；
Under normal processing sewage state, the first magnetic valve or lock are in open state, and second solenoid valve or lock are in off status, precipitation
Area passes through the first air lift mud return line and the second air lift mud return line bottom air Guan Zaijing sludge refluxes branch pipe or branch canal respectively
It is connected with the total canal of sludge reflux；
Discharge under excess sludge state, the first magnetic valve or lock are in off status, and second solenoid valve or lock are in open state, precipitation
Area passes sequentially through the first air lift mud return line and sludge reflux branch pipe or branch canal and is connected with the total canal of sludge reflux, and settling zone leads to successively
Cross the second air lift mud return line and sludge reflux branch pipe or branch canal is connected with excess sludge delivery pipe.
According to above-mentioned technical proposal, the Chinese effluent device of the Integral circulating biochemical sewage treating apparatus includes always catchmenting
Pipe or canal and at least one are arranged on braiding channel at the top of settling zone, and braiding channel delivery port passes through total collector pipe or canal and Chinese effluent
Pipe connects.
According to above-mentioned technical proposal, the Integral circulating biochemical sewage treating apparatus, in addition to back purge system, the recoil
Cleaning device includes the backwash tracheae for providing backwash compressed air and the back flushing device being connected with backwash tracheae, back flushing device
It is arranged on the bottom of settling zone；The back purge system also includes the backwashing wastewater outlet set on total collector pipe or canal, institute
Backwashing wastewater outlet is stated with backwashing wastewater delivery pipe to be connected；
Chinese effluent pipe is provided with the 3rd magnetic valve, and backwashing wastewater delivery pipe is provided with the 5th magnetic valve, and backwash tracheae is set
There is the 4th magnetic valve；
Under normal processing sewage state, the 3rd magnetic valve is in open state, and the 4th magnetic valve is in off status；
During backwash under state, the 3rd magnetic valve is in off status, and the 4th magnetic valve is in open state, and the 5th magnetic valve is in and opened
State.
According to above-mentioned technical proposal, the back flushing device of the Integral circulating biochemical sewage treating apparatus is to be arranged on settling zone
The upward at least tube having holes of perforate.
According to above-mentioned technical proposal, the Integral circulating biochemical sewage treating apparatus, in addition to air supplies, the sky
Gas feeder includes main air pipe and some air hoses from main air pipe branch, some air from main air pipe branch
Pipe is dirty with the air lift circulation pipe lower tube supplied to air lift circulation pipe, the first air lift supplied to the first air lift mud return line respectively
Mud return duct bottom air pipe, to the second air lift mud return line supply the second air lift mud return line bottom air pipe, to anti-
The become reconciled aerator in oxygen area of the backwash tracheae of flusher supply is connected.
According to above-mentioned technical proposal, the air lift circulation pipe lower tube of the Integral circulating biochemical sewage treating apparatus is provided with
3rd manual modulation valve, the first air lift mud return line bottom air pipe are provided with first manual regulating valve, second gas
Carry mud return line bottom air pipe and be provided with the second manual modulation valve.
According to above-mentioned technical proposal, the side of the aerobic zone of the Integral circulating biochemical sewage treating apparatus from left to right or
Person is sequentially disposed in anoxic zone, inlet channel, mud, water mixed zone, sludge reflux Zong Qu settling zones and precipitation inhalant region from right to left.
According to above-mentioned technical proposal, the sludge reflux branch pipe or branch canal of the Integral circulating biochemical sewage treating apparatus are set
In settling zone close to the side of the aerobic zone.
According to above-mentioned technical proposal, the settling zone of the Integral circulating biochemical sewage treating apparatus for tube settler or connects
Touch sedimentation basin.
According to the sewage water treatment method of the Integral circulating biochemical sewage treating apparatus of above-mentioned technical proposal, including following flow：
Sewage water inlet pipe after pretreatment mixes after the water distribution of weir into inlet channel with the total canal returned sludge of sludge reflux in mud, water
Enter anoxic zone after being sufficiently mixed in area；Anoxic denitrification is carried out after being mixed in anoxic zone with the nitrification mixed liquor of interior backflow；Through
The sewage of anoxic denitrification enter after the lifting of air lift circulation pipe in aerobic zone carry out carbon source be oxidized to CO2 and H2O, ammonia nitrogen and
The oxidative nitration of organic nitrogen；Enter settling zone after the sewage of aerobic zone enters precipitation inhalant region, clipped through settling zone except in sewage
SS, CODCr, BOD5 and chemical phosphorus phosphate etc., most discharged afterwards through Chinese effluent device；
Wherein, after the first air lift mud return line and/or the second air lift mud return line extract sludge from settling zone through flow back branch pipe or
The sludge is transported to the total canal of sludge reflux by branch canal.
According to the discharge excess sludge method of the Integral circulating biochemical sewage treating apparatus of above-mentioned technical proposal, including as flowed down
Journey：The first magnetic valve or lock are closed, opens second solenoid valve or lock；The sludge that second mud return line is lifted from settling zone then leads to
Cross remaining mud discharging pipe discharge.
According to the back-flushing method of the Integral circulating biochemical sewage treating apparatus of above-mentioned technical proposal, including following flow：
When being backwashed, close the 3rd magnetic valve and be in off status, open the 4th magnetic valve, while open the 5th magnetic valve,
Enter back flushing device j from the compressed air that backwash tracheae 16 enters by air hose 13, back flushing device j is heavy to be arranged on contact
At least tube having holes of perforate upwards below the contact layer in shallow lake pond, actual quantity more need to set；Compressed air tube having holes
Go out, and the sludge of the contact layer bottom of Contact -impact sedimentation basin from bottom to top；These a sludge part, which is rushed and sunk to, to be connect
Touch sedimentation basin G bottoms, another part passes through contact layer under the drive of compressed air, successively through braiding channel 3 and total collector pipe or
Plant area's sewage network is drained into by backwashing wastewater delivery pipe 8 after canal 4 and is again introduced into this dirt into Boosting pumping station or plant area's cesspool
Water treatment facilities processing；
After backwash terminates, first close after the 4th magnetic valve after 1~2 minute, open the 3rd magnetic valve, simultaneously close off the 5th electricity
Magnet valve, after so backwash stops, after the sludge of the wash-off that recoils can first pass through backwashing wastewater delivery pipe emptying, afterwards up to standard
Water passes through Chinese effluent pipe normal discharge again.
The advantage of the invention is that：The present invention provides Integral circulating biochemical sewage treatment device, is particularly suitable for small towns, lives
Concentration zones, Scene Tourist point living area etc.；With investing relatively small, with strong points, technology maturation, simple in construction, performance
It is stable, corrosion-resistant, service life is long, floor space is small, operating cost low (general 0.3 yuan/ton of water), it is safe and reliable to operation,
The features such as maintenance management facilitates, manufacture can be designed by different sewage disposal scales.Effluent quality directly reaches after processing《City
Town Wastewater Treatment discharge standard》(GB18918-2002) one-level emission standard A.
Brief description of the drawings
Fig. 1 is integral planar arrangement schematic diagram of the present invention
Fig. 2 is 1-1 profiles schematic diagram of the present invention
In figure, water inlet pipe (1), air lift circulation pipe (2), braiding channel (3), total collector pipe or canal (4), Chinese effluent pipe (5),
Sludge reflux branch pipe or branch canal (6), excess sludge delivery pipe (7), backwashing wastewater delivery pipe (8), the first air lift sludge return
Flow tube (9), the second air lift mud return line (10), the first air lift mud return line bottom air pipe (11), the second air lift are dirty
Mud return duct bottom air pipe (12), air hose (13), main air pipe (14), air lift circulation pipe lower tube (15), recoil
Scrubber tube (16), sludge bucket (17)；Inlet channel (A), the total canal of sludge reflux (B), mud, water mixed zone (C), anoxic zone
(D), aerobic zone (E), precipitation inhalant region (F), settling zone (G)；First magnetic valve or lock (a), second solenoid valve or lock
(b), the 3rd magnetic valve (c), the 4th magnetic valve (d), first manual regulating valve (e), the second manual modulation valve (f),
Three manual modulation valves (g), the 5th magnetic valve (h), back flushing device (j).
Embodiment
Generally, the present invention is that biochemical wastewater treatment technique (is contained activated sludge process, contact oxidation method or activated sludge by one kind
Method is with biochemical wastewater treatment technique that contact oxidation method is combined) (precipitation form can be adopted according to effluent quality target call with precipitation
Precipitated with flat flow, vertical-flow precipitation, tube settling and contact precipitation etc.) the similar oxidation ditch form of integrated formation integration
Sewage disposal device, while using drainage flow, sludge reflux and sludge row in air lift principle driving integrated sewage treating apparatus
Go out, substituting the mechanical systems such as traditional pump or submersible water impeller using air lift form flows back, and is especially suitable at small-sized integrated sewage
Manage device.The sewage disposal is set to be manufactured using resistant materials such as 304 stainless steels, and overall corrosion resistance can be good.
Below in conjunction with accompanying drawing, the present invention is described in detail, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
As shown in Figure 1, 2, the Integral circulating biochemical sewage treating apparatus, including it is followed successively by the water inlet of upstream-downstream relationship connection
Canal A, mud, water mixed zone C, anoxic zone D, aerobic zone E, precipitation inhalant region F and settling zone G, wherein, anoxic zone D
It is connected by air lift circulation pipe 2 with aerobic zone E.
The Integral circulating biochemical sewage treating apparatus, in addition to sludge refluxing apparatus, sludge refluxing apparatus include and mud, water
The total canal B of sludge reflux and the first air lift mud return line 9 of mixed zone C upstream connection, settling zone G are dirty by the first air lift
Mud return duct 9 is connected with the total canal B of sludge reflux, or settling zone G passes sequentially through the first air lift mud return line 9 and sludge returns
Stream branch pipe or branch canal 6 are connected with the total canal B of sludge reflux；Settling zone G is also connected with Chinese effluent device.
The Integral circulating biochemical sewage treating apparatus, in addition to device for discharging sludge, the device for discharging sludge include sludge
Flow back branch pipe or the air lift mud return line bottom air pipe 12 of branch canal 6 and second；Second air lift mud return line bottom air pipe 12
It is arranged on settling zone G, sludge reflux branch pipe or the one end of branch canal 6 to be connected with the total canal B of sludge reflux, the other end is arranged with excess sludge
Put pipe 7 to connect, the first air lift mud return line 9 and the second air lift sludge reflux are also associated with sludge reflux branch pipe or branch canal 6
The mud mouth of bottom of the tube air hose 12；In sludge reflux branch pipe or the mud mouth of branch canal 6 and the second air lift mud return line bottom air
The first magnetic valve or lock a are provided with sludge reflux branch pipe or branch canal 6 between the mud mouth of pipe 12, in the second air lift sludge reflux
The second electromagnetism is provided with sludge reflux branch pipe or branch canal 6 between the mud mouth of bottom of the tube air hose 12 and excess sludge delivery pipe 7
Valve or lock b.
Under normal processing sewage state, the first magnetic valve or lock a are in open state, and second solenoid valve or lock b are in off status,
Settling zone G is returned through sludge again by the first air lift mud return line 9 and the second air lift mud return line bottom air pipe 12 respectively
Stream branch pipe or branch canal 6 are connected with the total canal B of sludge reflux.
Discharging under excess sludge state, the first magnetic valve or lock a are in off status, and second solenoid valve or lock b are in open state,
Settling zone G passes sequentially through the first air lift mud return line 9 and sludge reflux branch pipe or branch canal 6 and is connected with the total canal B of sludge reflux,
Settling zone G passes sequentially through the second air lift mud return line 10 and sludge reflux branch pipe or branch canal 6 and connected with excess sludge delivery pipe 7
Connect.
The Chinese effluent device is arranged on the braiding channel 3 at the top of settling zone G, collection including total collector pipe or canal 4 and at least one
The delivery port of water channel 3 is connected by total collector pipe or canal 4 with Chinese effluent pipe 5.
The Integral circulating biochemical sewage treating apparatus, in addition to back purge system, the back purge system include providing recoil
Wash and be arranged on precipitation with the backwash tracheae 16 of compressed air and the back flushing device j being connected with backwashing tracheae 16, back flushing device j
Area G bottom；The back purge system also includes the backwashing wastewater outlet set on total collector pipe or canal 4, the recoil
Waste water discharge opening is washed with backwashing wastewater delivery pipe 8 to be connected；Chinese effluent pipe 5 is provided with the 3rd magnetic valve c, backwashing wastewater
Delivery pipe 8 is provided with the 5th magnetic valve h, and backwash tracheae 16 is provided with the 4th magnetic valve d.
Under normal processing sewage state, the 3rd magnetic valve c is in open state, and the 4th magnetic valve d is in off status；During backwash
Under state, the 3rd magnetic valve c is in off status, and the 4th magnetic valve d is in open state, and the 5th magnetic valve h is in open state.
The back flushing device j is the upward at least tube having holes of perforate for being arranged on settling zone G.
The Integral circulating biochemical sewage treating apparatus, in addition to air supplies, the air supplies include total empty
Tracheae 14 and some air hoses 13 from the branch of main air pipe 14, some air hoses 13 from the branch of main air pipe 14 divide
Air lift circulation pipe lower tube 15, the first air lift to the first air lift mud return line 9 supply not with being supplied to air lift circulation pipe 2
Mud return line bottom air pipe 11, the second air lift mud return line bottom air to the second air lift mud return line 10 supply
Pipe 12, the backwash tracheae 16 to back purge system supply are connected with aerobic zone E aerator.
The air lift circulation pipe lower tube 15 is provided with the 3rd manual modulation valve g, the first air lift mud return line bottom air
Pipe 11 is provided with first manual regulating valve e, and the second air lift mud return line bottom air pipe 12 is provided with second and adjusted manually
Save valve f.By adjusting these manual modulation valves, can corresponding flue uninterrupted, it is convenient biochemical to the Integral circulating
Sewage disposal device carries out the control of each flow.
To finish about land used, and facilitate circulation sewage or sludge between each area, each zone position relation has been done following arrangement by us：
The side of the aerobic zone E is sequentially disposed in anoxic zone D, inlet channel A, mud, water mixed zone from left to right or from right to left
C, the total canal B settling zones G of sludge reflux and precipitation inhalant region F.The sludge reflux branch pipe or branch canal 6 are arranged on settling zone G
Close to the side of the aerobic zone E.Total collector pipe or canal 4 are arranged on sides of the settling zone G away from the aerobic zone E.More than
The advantages of each zone position relation and annexation, is as follows：
1st, air supplies can arrange the laying on one wire, facilitating steam line, maintenance substantially and save dosage.Such as：
Air lift circulation pipe lower tube 15, the first air lift mud return line bottom air pipe 11, the second air lift mud return line bottom air pipe
12 just on one wire, and aerator is also in the adjacent pipeline, thus less duct length；
2nd, by less anoxic zone D, inlet channel A, mud, water mixed zone C, the total canal B settling zones G of sludge reflux and precipitate into
Pool F is arranged in maximum aerobic zone E sides, and the land resource for having repetition to be beneficial to, without unfilled corner, projection wastes caused by waiting；
3rd, mud, the mud of water mixed zone C discharges, water are to enter from anoxic zone D, then are circulated from the air lift of the anoxic zone D other ends
Pipe 2 flows into aerobic zone E one end, is flowed out from the precipitation inhalant region F positioned at the aerobic zone E other ends；So take full advantage of whole
Individual anoxic zone D and aerobic zone E；
4th, sludge reflux branch pipe or branch canal 6 can be not only used for sludge reflux, can be used for discharging unnecessary sludge again, simplify the integration
The structure of circulating biochemical sewage treating apparatus, there are surplus construction and maintenance cost；
5th, braiding channel 3 and total collector pipe or canal 4 can be not only used for emission compliance tail water, can be used for discharging backwashing sewage water again, simplify
The structure of the Integral circulating biochemical sewage treating apparatus, there is surplus construction and maintenance cost.
Existing technology and equipment may be selected in anoxic zone D and aerobic zone E, containing activated sludge process, contact oxidation method or activated sludge
The biochemical wastewater treatment technique that method is combined with contact oxidation method.Do not limit in the present invention.
Existing sedimentation and equipment may be selected in settling zone G, as precipitation form can use advection according to effluent quality target call
Formula precipitation, vertical-flow precipitation, tube settling and contact precipitation etc., is not limited in the present invention.Precipitated in this specific embodiment
Area G is tube settler or contacting sedimentation tank, and illustrates situation of the selection for contacting sedimentation tank.
First air lift mud return line bottom air pipe 11 and the lower section of the second air lift mud return line bottom air pipe 12 are provided with use
In the sludge bucket 17 for building up sludge, to facilitate extraction sludge, the sludge that reduces accumulation and can not circulate.
Sewage disposal process：During normal processing sewage, the first magnetic valve or lock a are in open state, at second solenoid valve or lock b
In off status, the 3rd magnetic valve c is in open state, and the 4th magnetic valve d is in off status, and first manual regulating valve e is in and opened
State, the second manual modulation valve f are in open state, and the 3rd manual modulation valve g is in open state, and the 5th magnetic valve h, which is in, to close
State.Sewage water inlet pipe 1 after pretreatment enter inlet channel A after the water distribution of weir with the total canal B returned sludges of sludge reflux mud,
Enter anoxic zone D after being sufficiently mixed in the C of water mixed zone, need to be by sludge reflux and sewage in settling zone G during Wastewater Treated by Activated Sludge Process
Raw water is mixed, and without microorganism in the sewage raw water that need to mainly handle, sewage raw water is carried out by sludge in mixed precipitation area G
Inoculation；Carry out anoxic denitrification after being mixed in the D of anoxic zone with the nitrification mixed liquor of interior backflow, anoxic denitrification be make full use of into
Carbon source (BOD5) in water carries out denitrification, and its denitrification rate is significantly larger than the denitrification carried out by endogenous respiration effect；It is anti-through anoxic
The sewage of nitrification, which enters after the lifting of air lift circulation pipe 2 in aerobic zone E, to carry out carbon source and is oxidized to CO2And H2O, ammonia nitrogen and has
The oxidative nitration of machine nitrogen；Enter settling zone G after aerobic zone E sewage enters precipitation inhalant region F, through contact precipitation area filtrate
Clip except SS, COD in sewageCr、BOD5With chemical phosphorus phosphate etc., reach stable effluent quality《At town sewage
Manage factory's pollutant emission standard》(GB18918-2002) one-level emission standard A.During air lift 2 lifting sewage of circulation pipe, pass through
Air lift circulation pipe lower tube 15 conveys compressed air to the bottom horn mouth bottom of air lift circulation pipe 2 and discharged, and carries out air lift.Sewage returns
Uninterrupted control is adjusted by the 3rd manual modulation valve g open degree sizes, can also be automatically adjusted by electric control valve.
The discharge of sludge reflux and excess sludge：During normal processing sewage, the first magnetic valve or lock a are in open state, the second electricity
Magnet valve or lock b are in off status；Sludge in sedimentation basin need to be flowed back, will be empty by the first air lift sludge reflux bottom of the tube
Tracheae 11 conveys compressed air to the bottom horn mouth bottom of the first air lift mud return line 9 and discharged, and carries out air lift by contacting sedimentation tank
Base sludge lifted simultaneously the total canal B of sludge reflux is back to by sludge reflux branch pipe or branch canal 6, after the water distribution of weir with raw water mud,
It is sufficiently mixed in the C of water mixed zone；Compressed at the same time it can also be conveyed again by the second air lift mud return line bottom air pipe 12
Air to the bottom horn mouth bottom of the second air lift mud return line 10 discharges, and carries out air lift and lifts contacting sedimentation tank base sludge simultaneously
The total canal B of sludge reflux is back to by sludge reflux branch pipe or branch canal 6, after the water distribution of weir with raw water in mud, water mixed zone C
It is sufficiently mixed.
When that need to discharge excess sludge daily, the first magnetic valve or lock a are in off status, and second solenoid valve or lock b, which are in, opens shape
State；The sludge reflux of first mud return line 9 lifting is to the total canal B of sludge reflux, and the sludge of the second mud return line 10 lifting is then
Integrated sewage treating apparatus is discharged by excess sludge delivery pipe 7.The control of sludge reflux amount size passes through first manual regulating valve
E and the f open degree sizes of manual modulation valve the 2nd are adjusted, and can also be automatically adjusted by electric control valve.
Sludge-drainage time is according to treatment scale and the different determinations of influent quality situation point.Under general approach, it is small that the discharge excess sludge cycle may be set to 24
When.
Mixed-liquor return：Integrated sewage treating apparatus in the mixed liquor of integrated oxidation ditch similar to flowing back, to ensure in mixed liquor
Flow back complete alternation, will take air lift sludge form by anoxic zone D sewage liftings to aerobic zone E.
Settling zone G backwash：When contacting sedimentation tank normal operation filters, the 3rd magnetic valve c is in open state, the 4th electricity
Magnet valve d is in off status, and the 5th magnetic valve h is in off status, and integrated sewage treating apparatus processing tail water up to standard is through braiding channel
3 and total collector pipe or canal 4 and discharged by Chinese effluent pipe 5 and discharged after disinfection by ultraviolet light.
Exemplified by touching sedimentation basin, during backwash, when needing to be backwashed after contacting sedimentation tank runs 24h, the 3rd magnetic valve c
Open state is in off status, the 4th magnetic valve d, while opens the 5th magnetic valve h；The pressure entered from backwash tracheae 16
Contracting air enters back flushing device j by air hose 13, and back flushing device j is to be arranged on the perforate below the contact layer of contacting sedimentation tank
A upward at least tube having holes, actual quantity more need to set；Compressed air tube having holes are gone out, and impact connects from bottom to top
Touch the sludge of the contact layer bottom of sedimentation basin；These a sludge part is rushed and sinks to contacting sedimentation tank G bottoms, another portion
Divide and contact layer is passed through under the drive of compressed air, discharged successively after braiding channel 3 and total collector pipe or canal 4 by backwashing wastewater
Pipe 8 drains into plant area's sewage network and is again introduced into the processing of this sewage disposal device into Boosting pumping station or plant area's cesspool.
Backwash process about 15-20 minutes, after backwash terminates, first close after the 4th magnetic valve d after 1~2 minute, open
3rd magnetic valve c, simultaneously close off the 5th magnetic valve h.After so backwash stops, the sludge for the wash-off that recoils can first pass through backwash
After the emptying of wastewater discharge pipe 8, water up to standard afterwards passes through the normal discharge of Chinese effluent pipe 8 again.
If using tube settler, flushing process and principle are arranged on the oblique of tube settler with tactile sedimentation basin, back flushing device j
Below tube layer.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.To these
A variety of modifications of embodiment will be apparent for those skilled in the art, generic principles defined herein
It can realize in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention will not be by
The embodiments shown herein is limited to, and is to fit to consistent with principles disclosed herein and features of novelty most wide
Scope.
Claims (13)
1. Integral circulating biochemical sewage treating apparatus, it is characterised in that：
Inlet channel (A), mud, water mixed zone (C), anoxic zone (D), aerobic including being followed successively by upstream-downstream relationship connection
Area (E), precipitation inhalant region (F) and settling zone (G),
Wherein, anoxic zone (D) is connected by air lift circulation pipe (2) with aerobic zone (E)；
Also include sludge refluxing apparatus, the sludge that sludge refluxing apparatus includes being connected with the upstream of mud, water mixed zone (C) returns
Flow total canal (B) and the first air lift mud return line (9), settling zone (G) by the first air lift mud return line (9) with
The total canal of sludge reflux (B) is connected, or settling zone (G) passes sequentially through the first air lift mud return line (9) and sludge returns
Stream branch pipe or branch canal (6) are connected with the total canal of sludge reflux (B)；
(G) is also connected with Chinese effluent device for settling zone.
2. Integral circulating biochemical sewage treating apparatus according to claim 1, it is characterised in that：
Also include device for discharging sludge, the device for discharging sludge includes sludge reflux branch pipe or branch canal (6) and the second air lift
Mud return line bottom air pipe (12)；
Second air lift mud return line bottom air pipe (12) is arranged on settling zone (G), sludge reflux branch pipe or branch canal (6)
One end is connected with the total canal of sludge reflux (B), and the other end is connected with excess sludge delivery pipe (7), sludge reflux branch pipe or
The first air lift mud return line (9) and the second air lift mud return line bottom air pipe (12) are also associated with branch canal (6)
Mud mouth；
In sludge reflux branch pipe or branch canal (6) mud mouth and second air lift mud return line bottom air pipe (12) mud mouth
Between sludge reflux branch pipe or branch canal (6) on be provided with the first magnetic valve or lock (a), in the second air lift mud return line
Set on sludge reflux branch pipe or branch canal (6) between bottom air pipe (12) mud mouth and excess sludge delivery pipe (7)
There are second solenoid valve or lock (b)；
Under normal processing sewage state, the first magnetic valve or lock (a) are in open state, and second solenoid valve or lock (b) are in
Off status, settling zone (G) are empty by the first air lift mud return line (9) and the second air lift sludge reflux bottom of the tube respectively
Tracheae (12) is connected through sludge reflux branch pipe or branch canal (6) with the total canal of sludge reflux (B) again；
Discharge under excess sludge state, the first magnetic valve or lock (a) are in off status, and second solenoid valve or lock (b) are in
Open state, settling zone (G) pass sequentially through the first air lift mud return line (9) and sludge reflux branch pipe or branch canal (6) with
The total canal of sludge reflux (B) connects, and settling zone (G) passes sequentially through the second air lift mud return line (10) and sludge reflux
Branch pipe or branch canal (6) are connected with excess sludge delivery pipe (7).
3. Integral circulating biochemical sewage treating apparatus according to claim 1, it is characterised in that：The Chinese effluent dress
Put and be arranged on braiding channel (3) at the top of settling zone (G), braiding channel (3) including total collector pipe or canal (4) and at least one
Delivery port is connected by total collector pipe or canal (4) with Chinese effluent pipe (5).
4. Integral circulating biochemical sewage treating apparatus according to claim 3, it is characterised in that：
Also include back purge system, the back purge system includes the backwash tracheae (16) for providing backwash compressed air
The back flushing device (j) being connected with backwash tracheae (16), back flushing device (j) are arranged on settling zone (G) bottom；
The back purge system also includes the backwashing wastewater outlet set on total collector pipe or canal (4), the backwashing wastewater
Outlet is connected with backwashing wastewater delivery pipe (8)；
Chinese effluent pipe (5) is provided with the 3rd magnetic valve (c), and backwashing wastewater delivery pipe (8) is provided with the 5th magnetic valve
(h), backwash tracheae (16) and be provided with the 4th magnetic valve (d)；
Under normal processing sewage state, the 3rd magnetic valve (c) is in open state, and the 4th magnetic valve (d) is in off status,；
During backwash under state, the 3rd magnetic valve (c) is in off status, and the 4th magnetic valve (d) is in open state, and the 5th
Magnetic valve (h) is in open state.
5. Integral circulating biochemical sewage treating apparatus according to claim 4, it is characterised in that：The back flushing device (j)
To be arranged on the upward at least tube having holes of the perforate of settling zone (G).
6. Integral circulating biochemical sewage treating apparatus according to claim 4, it is characterised in that：Also include air to supply
Device, the air supplies include main air pipe (14) and some air hoses (13) from main air pipe (14) branch,
Some air lifts from the air hose (13) of main air pipe (14) branch respectively with being supplied to air lift circulation pipe (2) are followed
Endless tube lower tube (15), to the first air lift mud return line (9) supply the first air lift mud return line bottom air pipe (11),
To the second air lift mud return line (10) supply the second air lift mud return line bottom air pipe (12), to backwash fill
The backwash tracheae (16) for putting supply is connected with the aerator of aerobic zone (E).
7. Integral circulating biochemical sewage treating apparatus according to claim 6, it is characterised in that：The air lift circulation pipe
Lower tube (15) is provided with the 3rd manual modulation valve (g), and the first air lift mud return line bottom air pipe (11) sets
First manual regulating valve (e) is equipped with, the second air lift mud return line bottom air pipe (12) is provided with second and adjusted manually
Save valve (f).
8. Integral circulating biochemical sewage treating apparatus according to claim 1, it is characterised in that：The aerobic zone (E)
Side be sequentially disposed in from left to right or from right to left anoxic zone (D), inlet channel (A), mud, water mixed zone (C),
The total canal of sludge reflux (B) settling zone (G) and precipitation inhalant region (F).
9. Integral circulating biochemical sewage treating apparatus according to claim 8, it is characterised in that：The sludge reflux branch
Pipe or branch canal (6) are arranged on settling zone (G) close to the side of the aerobic zone (E).
10. Integral circulating biochemical sewage treating apparatus according to claim 1, it is characterised in that：The settling zone (G)
For tube settler or contacting sedimentation tank.
11. the sewage water treatment method of Integral circulating biochemical sewage treating apparatus according to any one of claims 1 to 10,
It is characterised in that it includes following flow：
Sewage water inlet pipe (1) after pretreatment enters inlet channel (A) and returned after the water distribution of weir with the total canal of sludge reflux (B)
Stream sludge enters anoxic zone (D) after being sufficiently mixed in mud, water mixed zone (C)；In anoxic zone (D) with interior backflow
Nitrification mixed liquor mixing after carry out anoxic denitrification；Sewage through anoxic denitrification is lifted laggard through air lift circulation pipe (2)
Enter to carry out the oxidative nitration for being oxidized to CO2 and H2O, ammonia nitrogen and organic nitrogen of carbon source in aerobic zone (E)；Through aerobic zone
(E) sewage enters precipitation inhalant region (F) and enters settling zone (G) afterwards, is clipped through settling zone (G) except in sewage
SS, CODCr, BOD5 and chemical phosphorus phosphate etc., most discharged afterwards through Chinese effluent device；
Wherein, the first air lift mud return line (9) and/or the second air lift mud return line (10) carry from settling zone (G)
Take after sludge through flowing back branch pipe or the sludge is transported to the total canal of sludge reflux (B) by branch canal (6).
12. the discharge excess sludge side of Integral circulating biochemical sewage treating apparatus according to any one of claims 1 to 10
Method, it is characterised in that including following flow：The first magnetic valve or lock (a) are closed, opens second solenoid valve or lock (b)；
Second mud return line (10) is then discharged from settling zone (G) sludge lifted by excess sludge delivery pipe (7).
13. the back-flushing method of Integral circulating biochemical sewage treating apparatus according to any one of claims 1 to 10, its
It is characterised by, including following flow：
When being backwashed, close the 3rd magnetic valve (c) and be in off status, open the 4th magnetic valve (d), open simultaneously
5th magnetic valve (h), enter back flushing device j, recoil from the compressed air that backwash tracheae 16 enters by air hose 13
It is to be arranged at least tube having holes of perforate upwards below the contact layer of contacting sedimentation tank to wash device j, and actual quantity more needs
Set；Compressed air tube having holes are gone out, and the sludge of the contact layer bottom of Contact -impact sedimentation basin from bottom to top；These
A sludge part is rushed and sinks to contacting sedimentation tank G bottoms, and another part passes through contact layer under the drive of compressed air,
Drained into plant area's sewage network by backwashing wastewater delivery pipe 8 after braiding channel 3 and total collector pipe or canal 4 successively and entered and lifted
Pumping plant or plant area's cesspool are again introduced into the processing of this sewage disposal device；
After backwash terminates, the 4th magnetic valve (d) is first closed afterwards after 1~2 minute, opens the 3rd magnetic valve (c), same
When close the 5th magnetic valve (h), so backwash stopping after, the sludge for the wash-off that recoils can first pass through backwashing wastewater delivery pipe
(8) after emptying, water up to standard afterwards passes through Chinese effluent pipe (8) normal discharge again.
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| CN109987699A (en) * | 2019-04-25 | 2019-07-09 | 于萍 | A method of strengthening air lift pulling flow type oxidation ditch effect with suspending carrier |
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