CN104628228B - A kind of modularization sewage disposal and the method and device of reuse - Google Patents
A kind of modularization sewage disposal and the method and device of reuse Download PDFInfo
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- CN104628228B CN104628228B CN201510056455.XA CN201510056455A CN104628228B CN 104628228 B CN104628228 B CN 104628228B CN 201510056455 A CN201510056455 A CN 201510056455A CN 104628228 B CN104628228 B CN 104628228B
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
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Abstract
The invention belongs to technical field of sewage, particularly relate to a kind of modularization sewage disposal and the method and device of reuse, this apparatus structure is integral type body structure, including box-like body, described box-like body sets gradually preliminary sedimentation room, pre-dephosphorization coagulating sedimentation room, denitrification biotron, combined type nitration reaction room and disinfection room from left to right, arranges sludge treatment room at casing sidepiece.Use this device to carry out sewage disposal and reuse water outlet i.e. can reach sewage discharge index；Process the sludge treatment that sewage produces, concentrated, transport outward after dehydration.Present invention is mainly used for the integrated treatment of middle-size and small-size sewage.
Description
Technical field
The invention belongs to technical field of sewage, particularly relate to a kind of modularization sewage disposal and the method and device of reuse.
Background technology
Pushed to ground, county-level city, county town and organic town by key cities due to municipal sewage treatment comprehensively, therefore, sewage disposal system changes to middle and small scale distributing from the most centralized, forms the layout of " based on large-scale; middle-size and small-size complementation ", and this tallies with the national condition and development situation.This application being integral modular sewage-treatment plant and development provide new opportunity.At present, middle-size and small-size sewage-treatment plant on the market, directly use the scaled down version of traditional activated sludge process, processing links comprises: regulating reservoir → setting pot → Aerobic Pond → second pond → water outlet etc., also exist that occupation of land is big, cost is high and construction period length, the shortcoming such as operation maintenance is complicated, effluent quality is poor, far do not catch up with township industry and the town dweller community speed of development.
Retrieval information announcing: 1. application number 20122206330726.6 " carrying oil removal integral type sewage captation " be primarily adapted for use in underground automobile garage draining through catch pit collect, promote drain into outdoor after, then through oil interceptor oil removal process after discharge.This device narrow application range, after process, sewage directly discharges, and does not carries out reuse.2. patent No. ZL03133960.3 " a kind of heterogeneous multiple catalyzing electrolysis oxidation sewage treatment method and device ", uses gas phase catalyst, liquid-phase catalyst, applies the processes such as electrolysis, electroxidation, electricity flocculation to combine.There is operation complexity, the problem that power consumption is high, equipment maintenance cost is high in this device.
Summary of the invention
It is an object of the invention to: overcome prior art shortcoming, a kind of method that samll cities and towns, rural sewage treatment are provided, it is suitable for floor space little, operating cost is low, anti-variation water quality impact capacity is strong, it is ensured that effluent quality is excellent, and Sewage treatment rate is high, reclaim water quality and reach GB/T 50335-2002 " reuse of wastewater engineering design code " urban afforestation Water Quality Control Indexes, it is achieved green energy conservation target.
The object of the present invention is achieved like this: a kind of modularization sewage disposal and the device of reuse, this apparatus structure is integral type body structure, including box-like body, described box-like body sets gradually preliminary sedimentation room, pre-dephosphorization coagulating sedimentation room, denitrification biotron, combined type nitration reaction room and disinfection room from left to right, at casing sidepiece, sludge treatment room is set, described box-like body front portion arranges sewage water inlet pipe, and rear portion then arranges outlet pipe；Described preliminary sedimentation room arranges swinging tooth harrow grid maker, and grid maker arranges the fine fack of pitch≤2cm；Described pre-dephosphorization coagulating sedimentation chamber interior is arranged to coagulation district, settling zone and sludge condensation district, and installation settings hydraulic solid-liquid two phase separator；Described denitrification biotron inside is uniform is filled with haydite；Peltate filler is loaded on the left of described combined type nitration reaction indoor, described peltate filler is made up of fibre bundle and axial cord, fibre bundle is made up of fiber and support in the form of annular discs, support pottery is made and arranges hole in centre, nested plastic tube is set in the middle of described axial cord, for fixed range and support fibre bundle；It is filled with hollow fiber film assembly on the right side of combined type nitration reaction room；Bottom is provided with the aerator of micropore, and is controlled aeration rate by the spinner flowmeter of band regulation valve；In described preliminary sedimentation room, pre-dephosphorization coagulating sedimentation room, denitrification biotron, the sidepiece of combined type nitration reaction room and disinfection room be respectively provided with discharge pipeline, discharge pipeline is connected with sludge treatment room, arranges triangle deposition bucket and variable-pitch propeller dewaterer in described sludge treatment indoor.On-line monitoring pH meter, dissolved oxygen instrument and ammonia nitrogen instrument are set in described denitrification biotron；Being respectively provided with on-line monitoring pH meter, dissolved oxygen instrument, ammonia nitrogen instrument and COD instrument at described combined type nitration reaction room and box-like body water outlet, the said equipment is connected with main control computer by network data line.The fine fack of pitch 1cm is set on grid maker.It is provided with medicament spray thrower in described combined type nitration reaction ceiling portion.The internal haydite of described denitrification biotron is diameter 1.0～1.5cm, the cylinder of long 1.2～3.7cm, and haydite voidage is set to 46-50%, and cylinder body shape is nearly cylinder.Described axial cord is that the material of Resistance to microbes is made.Described Hollow-fibre membranes material is polypropylene, and aperture is 0.01 μm, and membrane area is 1.0m2.Medicament basket with trellis hole is set in described disinfection room.
A kind of method using said apparatus to carry out sewage disposal and reuse, its implementation comprises the steps:
Step 1: it is indoor that sewage enters preliminary sedimentation through water inlet pipe, after grid maker removes mechanical admixture, it is indoor that step 2, sewage after step 1 processes enter pre-dephosphorization coagulating sedimentation, add biological flocculant 2-5 mg/L or Compound biological flocculant 10-30mg/L, the time of staying: 15-20 minute, carry out flocculating, dephosphorization treatment；Step 3, through step 2 process after sewage enter denitrification biotron, control nitrification return current ratio of the mixed liquid 100%-300%, dissolved oxygen is in 0.4-0.6 mg/L, the 3-5 hour time of staying；Step 4, the sewage entrance combined type nitration reaction indoor processed through step 3, control reative cell dissolved oxygen is at 4-5mg/L, and steam-water ratio is at 12:1, and the time of staying is 5-9 hour, carries out separation of solid and liquid；Step 5, the sewage processed through step 4 enter in disinfection room, and disinfection room uses the spacetabs type trichloro-isocyanide uric acid disinfection of 200-500g/ sheet, and dosage 5mg/L, the time of staying: 1-2 hour, water outlet i.e. can reach sewage discharge index；Processing the sludge treatment that sewage produces in step 6, each step above-mentioned, by discharge pipeline, enter in sludge treatment equipment, come together in triangle deposition bucket, through sludge condensation, by variable-pitch propeller dewaterer, dehydrated sludge is transported outward.Described biological flocculant, Compound biological flocculant, sym-closene are commercially available prod.
The operating principle of this method: (1) pre-dephosphorization coagulating sedimentation reative cell, integrated design formula coagulation district, settling zone, sludge condensation district composition.Integrated form coagulation district includes the flocculation at a slow speed needed for the rapid coagulation with sludge reflux and alumen ustum growth, is made up of two continuous print regions.First order coagulation carries out in a perpendicular type region and is stirred by an axial flow propulsor, to guarantee the energy required for rapid coagulation and coagulation.Flocculant is added in perpendicular type region by medicament spray thrower.Carry out the outside sludge backflow of continuous print to first order coagulation district from sludge condensation district, high sludge concentration improves coagulation and phosphor-removing effect.Two Areas flocculates at a slow speed；The alumen ustum generated has higher density.Then water flow at a slow speed settling zone to ensure the integrality of alumen ustum.Settling zone uses water conservancy solid-liquid two phase separator, and in this module, remaining alumen ustum is removed.Mud is collected by gravity or a mud scraper with sepiment.Partial sludge is back to coagulation district by one screw pump.
(2) denitrification biotron: denitrification biotron dissolved oxygen controls at about 0.5mg/L, controls mixed liquid recycle ratio 100%-300%.
The design time of staying >=3.5 hour.Filler uses bulky grain haydite, and haydite is diameter 1.0～1.5cm, the approximate circle cylinder of long 1.2～3.7cm, and voidage is 46%.This kind of filling intensity height, surface porosity, in-house network is crisscross, is difficult to harden, and has the strongest adsorptivity, it is adaptable to advanced treatment of wastewater.
(3) combined type nitration reaction room, left side filling peltate filler, loading density is 1/L.Filler is connected into a string with the rope of Resistance to microbes, is separated with ceramic ring between filler.Peltate filler has played that half is soft and the feature of soft-filler, specific surface area is big, the good porosity of biological attachment performance is high, after easy to be filmed and water suction volume mass slightly larger than advantages such as water.Reative cell is gas and water, solid three-phase, creating more rich existence form for microorganism, part microorganism is attached on filler, and remaining is suspended in water, constituted the new ecosystem with biomembrane and activated sludge two ways, and this system is interrelated in both direction in length and breadth.Loading hollow fiber film assembly on the right side of combined type nitration reaction room, membrane area is 1.0m2, equipped with micro-hole aerator bottom reative cell, and controlled aeration rate by the spinner flowmeter of band regulation valve.Controlling dissolved oxygen 3-6mg/L, design the time of staying >=7 hour, gas-water ratio is at about 12:1.
(4) refluxing due to nitrification liquid, the dissolved oxygen in compound nitration reaction room enters denitrification biological respinse room with nitrification liquid, forms double oxygen condition at top inhalant region.Bottom is quickly utilized by microorganism and depleted owing to bringing the dissolved oxygen in reactor into, forms complete anaerobic condition.Owing to using peltate filler, water flow velocity in reactor comparatively fast forms turbulent condition, does not install agitating device and just can make to be sufficiently mixed with backflow nitrification liquid into water, so that system simplifies, energy consumption reduces.
(5) big in view of midget plant variation water quality, medicament spray thrower, water quality inferiority are installed in compound top, nitration reaction room, or when being mixed with industrial wastewater, add biological potentiating agent.This medicament is the biological flora adding and having specific degradation capability, and organic nutrient aganic nutrient agent is composited, and improves nitrification efficiency, reduces the low temperature impact on nitrification.Recover from the denitrification mix that impact load and sudden factor cause rapidly.
(6) disinfection room is provided with the medicament basket of trellis hole, built with the sym-closene of spacetabs type, selects 200g/ sheet or 500g/ sheet.The wide spectrum of this medicament a new generation, efficient, the disinfectant of low toxicity and deodorant.Can periodically throw in, every Fang Shui needs about 5 grams medicaments, and disinfection room time of contact is 1-2 hour.Its water outlet can direct reuse in greening or landscape water.
(7) pre-dephosphorization coagulating sedimentation room, the biological flocculant used is the polysaccharide bioflocculant of the super high molecular weight of zymetology synthetic method synthesis, there is ultra high molecular weight, long straight chain, substantial amounts of hydroxyl, carboxyl, thus there is extremely strong adsorption bridging and volume sweeps effect.Totally nontoxic, noresidue.Compound biological flocculant uses inorganic salts and biological flocculant optimization collocation, and product has efficiently simultaneously, strong adaptability, economical and practical feature, to turbidity removal, deodorizing, except COD, total nitrogen, total phosphorus effective.After using, subsequent processing units is lightened the load.Added amount of chemical is generally biological flocculant 2-5 mg/L or Compound biological flocculant 10-30mg/L according to water quality.
Solid-liquid two phase separator is according to " vertical density current separation of solid and liquid " theory and technology, Xinjiang Dean Environmental Protection Technology Co., Ltd.'s independent research " hydraulic solid-liquid two phase separator " (again be called for short " the waterpower cheek ", utility model patent: ZL 2,011 2 0386130.5), carry out the hydraulic solid-liquid two-phase laminated flow of depositing technology.Applying this technology to break sloping plate deposition and the pipe chute precipitating equipment of conventional dual space incline structure, its sediment transport emptying effectiveness can improve 19% and 73% than the flat cross section of swash plate and inclined pipe structrue respectively.
Beneficial effect: the present invention is directed to the deficiency of existing equipment and technical configuration, by Wastewater Pretreatment, physical chemistry process, microbiological treatment, sterilization, the system of sludge treatment are implemented to distribute rationally and Integration ofTechnology, make processing means compact conformation, efficient, stable water outlet, operating cost is low, and energy reuse, practice produces significant technique effect.
Accompanying drawing explanation
The present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the main TV structure schematic diagram of apparatus of the present invention；Fig. 2 is the main TV structure schematic diagram of combined type nitration reaction room in apparatus of the present invention；Fig. 3 is peltate filler main TV structure schematic diagram；Fig. 4 is the top view of peltate filler.Wherein: water inlet pipe 1, preliminary sedimentation room 2, pre-dephosphorization coagulating sedimentation room 3, denitrification biotron 4, combined type nitration reaction room 5, disinfection room 6, outlet pipe 7, sludge treatment room 8, discharge pipeline 9, main control computer 10, aerator 11, peltate filler 12, hollow-fibre membrane 13, micropore 14, swinging tooth harrow grid maker 15, hydraulic solid-liquid two phase separator 16, pH meter 17, dissolved oxygen instrument 18, ammonia nitrogen instrument 19, COD instrument 20, variable-pitch propeller dewaterer 21, coagulation district 22, settling zone 23, sludge condensation district 24, triangle deposition bucket 28, axial cord 25, support 26, fibre bundle 27, medicament spray thrower 29, medicament basket 30, haydite 31.
Detailed description of the invention
Embodiment 1, a kind of modularization sewage disposal and the device of reuse, as shown in Fig. 1,2,3 and 4, this apparatus structure is integral type body structure, including box-like body, described box-like body sets gradually preliminary sedimentation room, pre-dephosphorization coagulating sedimentation room, denitrification biotron, combined type nitration reaction room and disinfection room from left to right, arranging sludge treatment room at casing sidepiece, described box-like body front portion arranges sewage water inlet pipe, and rear portion then arranges outlet pipe；Described preliminary sedimentation room arranges swinging tooth harrow grid maker, and grid maker arranges the fine fack of pitch≤2cm；Described pre-dephosphorization coagulating sedimentation chamber interior is arranged to coagulation district, settling zone and sludge condensation district, and installation settings hydraulic solid-liquid two phase separator；Described denitrification biotron inside is uniform is filled with haydite；Peltate filler is loaded on the left of described combined type nitration reaction indoor, described peltate filler is made up of fibre bundle and axial cord, fibre bundle is made up of fiber and support in the form of annular discs, support pottery is made and arranges hole in centre, nested plastic tube is set in the middle of described axial cord, for fixed range and support fibre bundle；It is filled with hollow fiber film assembly on the right side of combined type nitration reaction room；Bottom is provided with the aerator of micropore, and is controlled aeration rate by the spinner flowmeter of band regulation valve；In described preliminary sedimentation room, pre-dephosphorization coagulating sedimentation room, denitrification biotron, the sidepiece of combined type nitration reaction room and disinfection room be respectively provided with discharge pipeline, discharge pipeline is connected with sludge treatment room, arranges triangle deposition bucket and variable-pitch propeller dewaterer in described sludge treatment indoor.On-line monitoring pH meter, dissolved oxygen instrument and ammonia nitrogen instrument are set in described denitrification biotron；Being respectively provided with on-line monitoring pH meter, dissolved oxygen instrument, ammonia nitrogen instrument and COD instrument at described combined type nitration reaction room and box-like body water outlet, the said equipment is connected with main control computer by network data line.The fine fack of pitch 1cm is set on grid maker.It is provided with medicament spray thrower in described combined type nitration reaction ceiling portion.The internal haydite of described denitrification biotron is diameter 1.0～1.5cm, the cylinder of long 1.2～3.7cm, and haydite voidage is set to 46-50%, and cylinder body shape is nearly cylinder.Described axial cord is that the material of Resistance to microbes is made.Described Hollow-fibre membranes material is polypropylene, and aperture is 0.01 μm, and membrane area is 1.0m2.Medicament basket with trellis hole is set in described disinfection room.Wherein, being that dividing plate separates between whole device room and room, water inlet is high-order water inlet, has liquid level difference 10cm between each room, it is achieved gravity flow water inlet, and on the right side of unpowered only combined type nitration reaction room, hollow fiber film assembly needs pump, and band pressure runs.
A kind of method using said apparatus to carry out sewage disposal and reuse, its implementation comprises the steps:
Step 1: it is indoor that sewage enters preliminary sedimentation through water inlet pipe, after grid maker removes mechanical admixture,
It is indoor that step 2, sewage after step 1 processes enter pre-dephosphorization coagulating sedimentation, adds biological flocculant 2-5 mg/L or Compound biological flocculant 10-30mg/L, the time of staying: 15-20 minute, carries out flocculating, dephosphorization treatment；
Step 3, through step 2 process after sewage enter denitrification biotron, control nitrification return current ratio of the mixed liquid 100%-300%, dissolved oxygen is in 0.4-0.6 mg/L, the 3-5 hour time of staying；
Step 4, the sewage entrance combined type nitration reaction indoor processed through step 3, control reative cell dissolved oxygen is at 4-5mg/L, and steam-water ratio is at 12:1, and the time of staying is 5-9 hour, carries out separation of solid and liquid；
Step 5, the sewage processed through step 4 enter in disinfection room, and disinfection room uses the spacetabs type trichloro-isocyanide uric acid disinfection of 200-500g/ sheet, and dosage 5mg/L, the time of staying: 1-2 hour, water outlet i.e. can reach Treated sewage reusing index；
Processing the sludge treatment that sewage produces in step 6, each step above-mentioned, by discharge pipeline, enter in sludge treatment equipment, come together in triangle deposition bucket, through sludge condensation, by variable-pitch propeller dewaterer, dehydrated sludge is transported outward.
Described biological flocculant, Compound biological flocculant, sym-closene are commercially available prod.
Embodiment 2, certain tourist attraction sewerage disposing station, process water yield 400m3/ sky, predominantly in waste water, collection underground regulating reservoir produced by the life in scenic spot, food and drink, service, wherein total influent quality is: PH is 7.5～8.5, COD is 237.12～578.64mg/L, BOD are 78.86～293.33mg/L, suspension content 46.71～245.23mg/L, total phosphorus 4.41～7.06mg/L, ammonia nitrogen 21.56～96.81 mg/L.
Seeing Fig. 1-4, modularization sewage disposal and reuse method and device, its scenic spot sewage collected, use modularized processing device, first sewage to enter preliminary sedimentation room by water inlet pipe, use swinging tooth harrow grid maker, fine fack, pitch is 1cm.Remove mechanical admixture through grid, enter pre-dephosphorization coagulating sedimentation room, add biological flocculant 2.5mg/L, carry out flocculating, dephosphorization, denitration process.
After solid-liquid two phase separator, water enters denitrification biotron, makes organic pollution, and N, P content reduce.3.5 hours time of staying of design, by control mixed liquid recycle ratio dissolved oxygen at 0.4-0.6 mg/L, form oxygen-anaerobism method of operation of holding concurrently.
Denitrification biotron water outlet enters compound nitration reaction pond, loading peltate filler, right side filling hollow fiber film assembly on the left of nitration reaction room, bottom is equipped with microporous aeration device, form gas and water, solid three-phase during operation, biofacies more horn of plenty its be combined type nitration reaction room.By micro-hole aerator control reative cell dissolved oxygen at 4-5mg/L, the design time of staying is 7 hours, and steam-water ratio is at 12:1.Due to carbon/nitrogen/phosphorus disproportionate (100:5:1), BOD5Volumetric loading reach 5.0/m3* d, periodically adds biological potentiating agent, improves biologically active, keeps higher biomass in making pond, utilize Immersive hollow fiber membrane, carry out separation of solid and liquid, subsequently into disinfection room, disinfection room uses the spacetabs type trichloro-isocyanide uric acid disinfection of 500g/ sheet, and dosage 5mg/L, water outlet is used for afforesting.
In this device, denitrification biotron is equipped with on-line monitoring PH meter, dissolved oxygen instrument, ammonia nitrogen instrument；Equipped with on-line monitoring PH, COD, dissolved oxygen, ammonia nitrogen instrument at combined type nitration reaction room and water outlet, the data of in-line meter pass through PLC machine, run fuzzy control program, pass through frequency converter, water pump, blower fan, sludge reflux etc. are carried out Automated condtrol, completes to add me and adjust, pass through GSM network simultaneously, can be in PC terminal or mobile phone terminal reception, inquiry system operational factor and alarm signal, it is achieved remotely control.
This device residual active sludge is considerably less, and the mud of discharge passes through discharge pipeline, and a part is by sludge reflux to pre-dephosphorization coagulative precipitation tank, and another part comes together in triangle deposition bucket, after sludge condensation, periodically by variable-pitch propeller dewaterer, and dehydration.For the fertilising of scenic spot greening after sludge composting after dehydration.
Water quality after process is: PH is 7.86, COD be 29.87mg/L, BOD be 9.6mg/L, ammonia nitrogen 3.81 mg/L, total phosphorus 0.34mg/L, turbidity 1.34NTU, total dissolved solid 625.42mg/L.Effluent quality after process is better than standard GB 50332-2002 " regeneration effluent process engineering design code " 4.2.4 norm controlling, afforests for scenic spot, with road-cleaning.
This invention address that the process of middle-size and small-size sewage and reuse technology and the research of device, it is conceived to operation science, the reasonability selecting to be suitable for this system, get a grip on a little, produce novel, efficiently, energy-conservation, compactly and be prone to the sewage disposal technology of operational management, applicable samll cities and towns and rural sewage treatment are applied, strong shock resistance, it is ensured that the qualified purpose reaching reuse of water outlet.
Claims (10)
1. a modularization sewage disposal and the device of reuse, this apparatus structure is integral type body structure, including box-like body, described box-like body sets gradually preliminary sedimentation room, pre-dephosphorization coagulating sedimentation room, denitrification biotron, combined type nitration reaction room and disinfection room from left to right, at casing sidepiece, sludge treatment room is set, it is characterized in that: described box-like body front portion arranges sewage water inlet pipe, and rear portion then arranges outlet pipe；Described preliminary sedimentation room arranges swinging tooth harrow grid maker, and grid maker arranges the fine fack of pitch≤2cm；Described pre-dephosphorization coagulating sedimentation chamber interior is arranged to coagulation district, settling zone and sludge condensation district, and installation settings hydraulic solid-liquid two phase separator；Described denitrification biotron inside is uniform is filled with haydite；Peltate filler is loaded on the left of described combined type nitration reaction indoor, described peltate filler is made up of fibre bundle and axial cord, fibre bundle is made up of fiber and support in the form of annular discs, support pottery is made and arranges hole in centre, nested plastic tube is set in the middle of described axial cord, for fixed range and support fibre bundle；It is filled with hollow fiber film assembly on the right side of combined type nitration reaction room；Bottom is provided with the aerator of micropore, and is controlled aeration rate by the spinner flowmeter of band regulation valve；In described preliminary sedimentation room, pre-dephosphorization coagulating sedimentation room, denitrification biotron, the sidepiece of combined type nitration reaction room and disinfection room be respectively provided with discharge pipeline, discharge pipeline is connected with sludge treatment room, arranges triangle deposition bucket and variable-pitch propeller dewaterer in described sludge treatment indoor.
A kind of modularization sewage disposal the most according to claim 1 and the device of reuse, it is characterised in that: on-line monitoring pH meter, dissolved oxygen instrument and ammonia nitrogen instrument are set in described denitrification biotron；Being respectively provided with on-line monitoring pH meter, dissolved oxygen instrument, ammonia nitrogen instrument and COD instrument at described combined type nitration reaction room and box-like body water outlet, the said equipment is connected with main control computer by network data line.
A kind of modularization sewage disposal the most according to claim 1 and the device of reuse, it is characterised in that: the fine fack of pitch 1cm is set on grid maker.
A kind of modularization sewage disposal the most according to claim 1 and the device of reuse, it is characterised in that: it is provided with medicament spray thrower in described combined type nitration reaction ceiling portion.
A kind of modularization sewage disposal the most according to claim 1 and the device of reuse, it is characterized in that: the internal haydite of described denitrification biotron is diameter 1.0～1.5cm, the cylinder of long 1.2～3.7cm, haydite voidage is set to 46-50%, and cylinder body shape is nearly cylinder.
A kind of modularization sewage disposal the most according to claim 1 and the device of reuse, it is characterised in that: described axial cord is that the material of Resistance to microbes is made.
A kind of modularization sewage disposal the most according to claim 1 and the device of reuse, it is characterised in that: described Hollow-fibre membranes material is polypropylene, and aperture is 0.01 μm, and membrane area is 1.0m2。
A kind of modularization sewage disposal the most according to claim 1 and the device of reuse, it is characterised in that: the medicament basket with trellis hole is set in described disinfection room.
9. the method that the device used described in claim 1 carries out sewage disposal and reuse, it is characterised in that its implementation comprises the steps:
Step 1: it is indoor that sewage enters preliminary sedimentation through water inlet pipe, after grid maker removes mechanical admixture,
It is indoor that step 2, sewage after step 1 processes enter pre-dephosphorization coagulating sedimentation, adds biological flocculant 2-5 mg/L or Compound biological flocculant 10-30mg/L, the time of staying: 15-20 minute, carries out flocculating, dephosphorization treatment；
Step 3, through step 2 process after sewage enter denitrification biotron, control nitrification return current ratio of the mixed liquid 100%-300%, dissolved oxygen is in 0.4-0.6 mg/L, the 3-5 hour time of staying；
Step 4, the sewage entrance combined type nitration reaction indoor processed through step 3, control reative cell dissolved oxygen is at 4-5mg/L, and steam-water ratio is at 12:1, and the time of staying is 5-9 hour, carries out separation of solid and liquid；
Step 5, the sewage processed through step 4 enter in disinfection room, and disinfection room uses the spacetabs type trichloro-isocyanide uric acid disinfection of 200-500g/ sheet, and dosage 5mg/L, the time of staying: 1-2 hour, water outlet i.e. can reach sewage discharge index；
Processing the sludge treatment that sewage produces in step 6, each step above-mentioned, by discharge pipeline, enter in sludge treatment equipment, come together in triangle deposition bucket, through sludge condensation, by variable-pitch propeller dewaterer, dehydrated sludge is transported outward.
Method the most according to claim 9, it is characterised in that: described biological flocculant, Compound biological flocculant, sym-closene are commercially available prod.
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| CN101306906B (en) * | 2008-03-19 | 2011-04-20 | 北京碧水源科技股份有限公司 | Method for treating micro-polluted water |
| WO2010115233A1 (en) * | 2009-04-07 | 2010-10-14 | Dewatering Filtration Technology Services Pty Ltd | Process and system for producing potable water |
| CN102295385B (en) * | 2011-06-27 | 2012-12-05 | 湖北科亮生物环保科技有限公司 | Garbage percolate processing technology |
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