CN103073153A - Municipal domestic wastewater treatment and comprehensive recycling equipment and method thereof - Google Patents
Municipal domestic wastewater treatment and comprehensive recycling equipment and method thereof Download PDFInfo
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- CN103073153A CN103073153A CN2013100200766A CN201310020076A CN103073153A CN 103073153 A CN103073153 A CN 103073153A CN 2013100200766 A CN2013100200766 A CN 2013100200766A CN 201310020076 A CN201310020076 A CN 201310020076A CN 103073153 A CN103073153 A CN 103073153A
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Abstract
The invention relates to municipal domestic wastewater treatment and comprehensive recycling equipment and a method thereof. The equipment comprises a pipeline mixer, a metering pump, a seston filter, a chemicals feed tank, a fiber ball filter, a three-dimensional photoelectric reactor, a biomembrane reactor, a CIO2 disinfecting tank, a water storage tank, a security filter element and a pressure pump. Bathing wastewater produced in urban life is intensively collected and is conducted to novel polyester high elastic filament micro-flocculation fiber filtering and deep oxidation biological combined treatment, outlet water meets requirements of the reuse of urban recycling water-water quality standard for urban miscellaneous water consumption and can be recycled to be used for washing toilets in hotels and greening, residual ultrafiltrated outlet water is conducted to the biomembrane reactor device and disinfecting treatment, and treated outlet water meets the requirement of drinking water sanitary standard (GB5749-85) and then can be recycled to be used for links of laundry and bathing in hotels with higher water quality requirements. The method and relevant equipment flows are simple and easy to operate and manage, and are very suitable for the reclaimed-water recycling of municipal domestic wastewater.
Description
Technical field
The invention belongs to the urban domestic wastewater processing technology field, particularly relate to a kind of urban domestic wastewater and process integral reclamation apparatus and method thereof.
Background technology
The architectural intermediate water engineering refers to the sanitary sewage, the water coolant that discharge in people life in public building or the one residential or the activity in production through technology such as afflux, water treatment, transmission ﹠ distribution water, be back to building or one residential.Water after manipulation of regeneration can be used as toilet flushing, waters aspect miscellaneous waters such as spilling street, greening, water scenery, carwash, air-conditioning cooling, fire-fighting.
City domestic sewage mainly comprises the kitchen washing water, flush the toilet waste water and the assorted water of other life.Such waste water contain a large amount of suspended solids, can chemistry or biodegradable solvability or colloidal dispersion organism (characterizing with COD and BOD), nitrogenous compound (comprising ammonia nitrogen, nitrate nitrogen, nitrite nitrogen and organonitrogen), phosphoric acid salt, potassium sodium and heavy metal ion, mushroom biological group etc.Do not enter natural water body if do not add processing or degree for the treatment of deficiency, can cause the accumulation of body eutrophication and toxicity, when nitrogen content and the higher water quality of phosphorus content enter nature, easily cause the eutrophication of water body, cause the breeding of algae raised growth, can cause red tide and wawter bloom when serious.Nitrogen and phosphorus impel phycophyta raised growth and breeding, but when the algae mortality, will cause the water body corruption smelly, so that water quality deterioration, contaminate environment.
At present, the research of the urban domestic wastewater being processed the reuse aspect is more, mainly all be as processing target take city miscellaneous water water quality requirement, reuse is to lavatory flushing, washing, greening etc., and to the water link of comprehensive recycling to higher water quality requirement, research such as aspects such as hotel laundry, bathings is relatively less, and domestic many middle water reuse projects all adopt take biological process as main technical process to be processed.Although biological treatment is the treatment technology of a kind of cheapness, environmental protection, have certain advantage, but this method and Water Reuse in Hotels exist larger inadaptability, complicated such as flow process, equipment is huge, floor space is large, and operation debugging management difficulty greatly, easily produces odor pollution environment etc.
Summary of the invention
Technical problem to be solved by this invention provides a kind of urban domestic wastewater and processes integral reclamation apparatus and method thereof, with the shortcoming such as solve complex process in the prior art, technical process is long, expense is high, and process water outlet and not only can reach " Urban Regeneration utilizes city miscellaneous water water quality " (GB/T 18920-2002) requirement, and reach " drinking water sanitary standard " (GB5749-85).
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of urban domestic wastewater to process integral reclamation apparatus, comprise line mixer, volume pump, the seston strainer, this equipment also comprises dosing tank, described dosing tank is connected with the line mixer import through volume pump, described line mixer outlet connects fiber ball filter, described line mixer import also is connected with the seston strainer, described fiber ball filter is built-in with filtrate, and described fiber ball filter water outlet connects the import of the first force (forcing) pump successively, the first security personnel's filter core and three-dimensional photoelectric reactor;
Described three-dimensional photoelectric reactor water outlet connects respectively the second water storage tank, the first force (forcing) pump and the second force (forcing) pump, connects ClO on the pipeline between described three-dimensional photoelectric reactor and the second water storage tank
2Disinfection trough, described ClO
2Disinfection trough injects thimerosal in the pipeline between three-dimensional photoelectric reactor and the second water storage tank by the second volume pump;
Described the second force (forcing) pump water outlet connects the second security personnel's filter core and biofilm reactor successively, and described biofilm reactor water outlet connects respectively the import of the first water storage tank and the second force (forcing) pump, connects ClO on the pipeline between described biofilm reactor and the first water storage tank
2Disinfection trough, described ClO
2Disinfection trough injects thimerosal between described biofilm reactor and the first water storage tank in the pipeline by the first volume pump.
The back flushing water tank is installed between described fiber ball filter and the second water storage tank, in the described back flushing water tank submersible pump is arranged, described fiber ball filter outlet plenum connects respectively described submersible pump and recoil air pump.
The first clean-out system bucket is installed between described three-dimensional photoelectric reactor and the first force (forcing) pump, and the clean-out system pipe that goes out of described the first clean-out system bucket connects the water outlet that the first force (forcing) pump import, the first clean-out system bucket return line connect described three-dimensional photoelectric reactor.
The second clean-out system bucket is installed between described biofilm reactor and the second force (forcing) pump, and the clean-out system pipe that goes out of described the second clean-out system bucket connects the second force (forcing) pump import, and the second clean-out system bucket return line connects the water outlet of described biofilm reactor.
The filtrate height of described fiber ball filter is 1m, and filtrate has upper and lower flange, is provided with porous plate in the described upper and lower flange, and the aperture in the porous plate is 5mm, and pitch of holes is 5mm.
What described filtrate adopted is the POLYESTER HIGH ELASTIC YARN fiber-ball filter media, staple length 2～3cm, and Fibre diameter 10～15 μ m, single fibrous nodules approximately has 3000 fiber yarns.
Described three-dimensional photoelectric reactor adopts photoelectric reactor to be made of housing, three dimensional particles electrode, negative electrode micropore titanium plate, positive electrode titanium net and light source UV lamp and flexible fiber loaded photocatalyst.
Described biofilm reactor is by anaerobic zone, oxygen-starved area and anabolic reaction pond, three districts of aerobic zone, and described aerobic zone has been dosed and has been used for the floating stuffing of good attachment oxygen animalcule and at the aerobic zone end membrane separation assemblies is set.
Comprehensive recycling method is processed in a kind of urban domestic wastewater, adopts aforementioned device, and concrete steps are as follows:
A) centralized collection urban domestic wastewater, filter through the seston strainer first by pipeline pending urban domestic wastewater, then with little flocculation agent short mix line mixer of being squeezed into from dosing tank by volume pump, then enter fiber ball filter by pipeline and carry out pre-treatment, little flocculant dosage 30mg/L, filtering velocity is 30～40m/h, and be 40～48h filtration cycle;
B) bath wastewater after pretreatment filters and disinfects through three-dimensional photoelectric reactor again, reaches requirement, and a part is purified effluent reuse to hotel lavatory flushing, greening link;
C) residue deep oxidation processing water outlet is processed and is disinfected through biofilm reactor again, reaches requirement, and the water outlet complete-reclaiming is to hotel laundry and the higher link of bath water water quality requirement.
Carry out the low strength recoil at the described fiber ball filter of foot couple filtration cycle and clean, the water backwashing strength of submersible pump is 3～5L/(m
2S), the gas backwashing strength of recoil air pump is 6～8L/(m
2S) backwashing time is 5～8min.
Described line mixer mix stages mixing time is 3～5s, and flow velocity is 0.8～1.0m/s.
Carry out cyclic chemical at the described three-dimensional photoelectric reactor of foot couple filtration cycle and biofilm reactor and clean, clean-out system adopts by 1% H in the first clean-out system bucket and the second clean-out system bucket
2O
2Mix the complex cleaning and washing agent that forms with 3% citric acid.
Urban domestic wastewater of the present invention is processed integral reclamation apparatus and has been proposed " little flocculation POLYESTER HIGH ELASTIC YARN fibre-ball filtration, the processing of photoelectricity advanced oxidation and bio combined treatment process; what wherein filtrate adopted is the POLYESTER HIGH ELASTIC YARN fiber-ball filter media; staple length 2～3cm; Fibre diameter 10～15 μ m, single fibrous nodules approximately has 3000 fiber yarns.It is simple that this equipment for reclaiming and combination process are processed comprehensive recycling urban domestic wastewater flow process, successful, and floor space is little, stable, construction investment is few, be easy to management etc.Process water outlet and not only can reach " Urban Regeneration utilizes city miscellaneous water water quality " (GB/T18920-2002) requirement, and finally after biofilm reactor is processed, effluent quality has reached " drinking water sanitary standard " (GB5749-85), fully can reuse to higher links of water water quality requirement such as hotel laundry, bathings.Water reuse field has broad application prospects in the hotel.
Beneficial effect
The present invention has overcome the deficiency of bath wastewater biological treatment, and the reuse water of the higher standards such as hotel laundry, bathing can be provided.The novel POLYESTER HIGH ELASTIC YARN fiber-ball filter media that adopts has overcome the shortcoming that causes the depth type filtration performance not give full play to owing to hydraulic classification of conventional heterogeneous body filtrate, filtering velocity is up to 30～40m/h, can bring up to 40～48h filtration cycle, simultaneously by filametntary quantity in the control filtrate, the problems such as backwash effect is poor after having solved the inefficacy of conventional fibre ball filtering material, and the cycle of operation is short.
The present invention adopts the new and effective fiber-ball filter media of independent development to have the characteristics such as precision is high, filtering velocity large, strong adaptability, filtration cycle is long, floor space is little, working cost is low, during back flushing, fiber-ball filter media can freely be shaken, to sticking to the impurity of filter material surface, easily peel off such as organism, suspended substance and to rinse well, make strainer recover very soon original strainability, therefore better to the urban domestic wastewater treatment effect, not only prolong the media filtration cycle, and can effectively reduce back washing strength, water consumption and energy consumption.
" little flocculation POLYESTER HIGH ELASTIC YARN fibre-ball filtration, photoelectricity advanced oxidation are processed and bio combined treatment process " that the present invention proposes, overcome the deficiency of bath wastewater biological treatment, the lower reuse waters of water water quality requirement such as flush the toilet in the hotel, greening not only can be provided, but also the reuse waters higher to water quality requirement such as hotel laundry, bathing can be provided.Relevant device floor space of the present invention is little, operation operation simple and flexible, is very suitable for Water Reuse in Hotels.
Application of the present invention can alleviate the burden of municipal drainage and water treatment, a large amount of former water not only can be provided, and can alleviate again the difficulty of processing, reduce processing cost, reach the purpose of bath wastewater comprehensive recycling, created good economic benefit, environmental benefit and social benefit.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of porous plate of the present invention.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used for explanation the present invention and be not used in and limit the scope of the invention.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
As illustrated in fig. 1 and 2, integral reclamation apparatus is processed in a kind of urban domestic wastewater, comprise line mixer 1, volume pump 2, seston strainer 5, this equipment also comprises dosing tank 4, described dosing tank 4 is connected with line mixer 1 import through volume pump 2, described line mixer 1 outlet connects fiber ball filter 100, described line mixer 1 import also is connected with seston strainer 5, described fiber ball filter 100 is built-in with filtrate 74, and described fiber ball filter 100 water outlets connect the import of the first force (forcing) pump 81 successively, the first security personnel's filter core 14 and three-dimensional photoelectric reactor 78;
Described three-dimensional photoelectric reactor 78 water outlets connect respectively the second water storage tank 37, the first force (forcing) pump 81 and the second force (forcing) pump 90, connect ClO2 disinfection trough 58 on the pipeline between described three-dimensional photoelectric reactor 78 and the second water storage tank 37, described ClO2 disinfection trough 58 injects thimerosal in the pipeline between three-dimensional photoelectric reactor 78 and the second water storage tank 37 by the second volume pump 55;
Described the second force (forcing) pump 90 water outlets connect the second security personnel's filter core 96 and biofilm reactor 92 successively, described biofilm reactor 92 water outlets connect respectively the import of the first water storage tank 33 and the second force (forcing) pump 90, connect ClO2 disinfection trough 58 between described biofilm reactor 92 and the first water storage tank 33 on the pipeline, described ClO2 disinfection trough 58 injects thimerosal between described biofilm reactor 92 and the first water storage tank 33 in the pipeline by the first volume pump 59.
Back flushing water tank 9 is installed between described fiber ball filter 100 and the second water storage tank 37, in the described back flushing water tank 9 submersible pump 68 is arranged, described fiber ball filter 100 outlet plenums connect respectively described submersible pump 68 and recoil air pump 10.
The first clean-out system bucket 40 is installed between described three-dimensional photoelectric reactor 78 and the first force (forcing) pump 81, and the clean-out system pipe that goes out of described the first clean-out system bucket 40 connects the water outlet that 81 imports of the first force (forcing) pump, the first clean-out system bucket 40 return lines connect described three-dimensional photoelectric reactor 78.
The second clean-out system bucket 48 is installed between described biofilm reactor 92 and the second force (forcing) pump 90, and the clean-out system pipe that goes out of described the second clean-out system bucket 48 connects 90 imports of the second force (forcing) pump, and the second clean-out system bucket 48 return lines connect the water outlet of described biofilm reactor 97.
The filtrate 74 of described fiber ball filter 100 highly is 1m, and filtrate 74 has upper and lower flange 104,102, is provided with porous plate in the described upper and lower flange 104,102, and the aperture in the porous plate is 5mm, and pitch of holes is 5mm.
What described filtrate 74 adopted is the POLYESTER HIGH ELASTIC YARN fiber-ball filter media, staple length 2～3cm, and Fibre diameter 10～15 μ m, single fibrous nodules approximately has 3000 fiber yarns.
Described three-dimensional photoelectric reactor 78 adopts photoelectric reactor to be made of housing, three dimensional particles electrode, negative electrode micropore titanium plate, positive electrode titanium net and light source UV lamp and flexible fiber loaded photocatalyst.
Described biofilm reactor 92 is by anaerobic zone, oxygen-starved area and anabolic reaction pond, three districts of aerobic zone, and described aerobic zone has been dosed and has been used for the floating stuffing of good attachment oxygen animalcule and at the aerobic zone end membrane separation assemblies is set.
Comprehensive recycling method is processed in a kind of urban domestic wastewater, adopts aforementioned device, and concrete steps are as follows:
A) centralized collection urban domestic wastewater, filter through seston strainer 5 first by pipeline pending urban domestic wastewater, then with little flocculation agent short mix line mixer 1 of being squeezed into from dosing tank 4 by volume pump 2, then enter fiber ball filter 100 by pipeline and carry out pre-treatment, little flocculant dosage 30mg/L, filtering velocity is 30～40m/h, and be 40～48h filtration cycle;
B) bath wastewater after pretreatment filters and disinfects through three-dimensional photoelectric reactor 79 again, reaches requirement, and a part is purified effluent reuse to hotel lavatory flushing, greening link;
C) residue deep oxidation processing water outlet is processed and is disinfected through biofilm reactor 92 again, reaches requirement, and the water outlet complete-reclaiming is to hotel laundry and the higher link of bath water water quality requirement.
Carry out the low strength recoil at the described fiber ball filter 100 of foot couple filtration cycle and clean, the water backwashing strength of submersible pump 68 is 3～5L/(m
2S), the gas backwashing strength of recoil air pump 10 is 6～8L/(m
2S) backwashing time is 5～8min.
Described line mixer 1 mix stages mixing time is 3～5s, and flow velocity is 0.8～1.0m/s.
Carry out cyclic chemical at the described three-dimensional photoelectric reactor 78 of foot couple filtration cycle and biofilm reactor 92 and clean, clean-out system adopts by 1% H in the first clean-out system bucket 40 and the second clean-out system bucket 48
2O
2Mix the complex cleaning and washing agent that forms with 3% citric acid.
Urban domestic wastewater of the present invention is processed integral reclamation apparatus and has been proposed " little flocculation POLYESTER HIGH ELASTIC YARN fibre-ball filtration, the processing of photoelectricity advanced oxidation and bio combined treatment process; what wherein filtrate adopted is the POLYESTER HIGH ELASTIC YARN fiber-ball filter media; staple length 2～3cm; Fibre diameter 10～15 μ m, single fibrous nodules approximately has 3000 fiber yarns.It is simple that this equipment for reclaiming and combination process are processed comprehensive recycling urban domestic wastewater flow process, successful, and floor space is little, stable, construction investment is few, be easy to management etc.Process water outlet and not only can reach " Urban Regeneration utilizes city miscellaneous water water quality " (GB/T18920-2002) requirement, and finally after biofilm reactor is processed, effluent quality has reached " drinking water sanitary standard " (GB5749-85), fully can reuse to higher links of water water quality requirement such as hotel laundry, bathings.Water reuse field has broad application prospects in the hotel.
Equipment of the present invention: be connected by pipeline 66, volume pump 2, pipeline 60 between seston strainer and the dosing tank 4; Line mixer 1 is connected with volume pump 2, dosing tank 4 by pipeline 61,60, is connected with seston strainer 5 by pipeline 61,66; Fiber ball filter 100 is connected with line mixer 1 by pipeline 38, is connected with three-dimensional photoelectric reactor 78 by pipeline 76, the first force (forcing) pump 81, pipeline 82, first security personnel's filter core 14, pipeline 80; Pass through pipeline 85 between three-dimensional photoelectric reactor 78 and the biofilm reactor 92,44, the second force (forcing) pump 90, pipeline 88, second security personnel's filter core 96 connect, and disinfect water outlet the second water storage tank 37 by pipeline 85, valve 84, pipeline 43, valve 45, pipeline 46 with ultrafiltration and are connected; Biofilm reactor 92 is disinfected water outlet the first water storage tank 33 with nanofiltration and is connected by pipeline 97, valve 52,53, pipeline 54; Pass through pipeline 57, the first volume pump 59, pipeline 46 between ClO2 disinfection trough and the three-dimensional photoelectric reactor, 43, valve 84, pipeline 85 connect, and connect by pipeline 56, the second volume pump 55, pipeline 54, valve 53,52, pipeline 97 between the biofilm reactor; Fiber ball filter is connected with back flushing water tank 9 by pipeline 67, submersible pump 68 when back flushing, is connected with recoil air pump 10 by pipeline 71; When 40 pairs of three-dimensional photoelectric reactors of the first clean-out system bucket carry out the cyclic chemical cleaning, connect by pipeline 72, valve 77, the first force (forcing) pump 81, pipeline 82, first security personnel's filter core 14, pipeline 80, clean water outlet by pipeline 85,43, valve 42, pipeline 41 are back to the first clean-out system bucket 40, and cleaning concentrate is back to the first clean-out system bucket 40 by pipeline 91, valve 21, pipeline 89; When 48 pairs of biofilm reactors of the second clean-out system bucket carry out the cyclic chemical cleaning, connect by pipeline 47, valve 93, the second force (forcing) pump 90, pipeline 88, second security personnel's filter core 96, pipeline 95, clean water outlet by pipeline 97,50, valve 49, pipeline 103 are back to the second clean-out system bucket 48, and cleaning concentrate is back to the second clean-out system bucket 48 by pipeline 31, valve 32, pipeline 98.
Line mixer 1 mix stages mixing time is 3～5s, and flow velocity is 0.8～1.0m/s.
During actual the use:
(1) centralized collection urban domestic wastewater, filter through seston strainer 5 first by pipeline 6 pending urban domestic wastewater, then with little flocculation agent short mix line mixer 1 of being squeezed into from dosing tank 4 by volume pump 2, then enter fiber ball filter 100 by pipeline 38 and carry out pre-treatment, little flocculant dosage 30mg/L, filtering velocity is 30～40m/h, and be 40～48h filtration cycle;
(2) bath wastewater after pretreatment, filter and disinfect through three-dimensional photoelectric reactor 78 again, reach the requirement of " Urban Regeneration utilizes city miscellaneous water water quality " (GB/T 18920-2002), a part is purified effluent reuse to hotel lavatory flushing, greening link; Wherein ultra-filtration membrane adopts cellulose acetate asymmetric membrane, molecular weight cut-off 10000, working pressure 0.1MPa, membrane flux 100～200L/(m2h);
(3) residue super-filtration purifying processing water outlet is filtered and is disinfected through biofilm reactor 92 again, reaches " drinking water sanitary standard " (GB5749-85), and the water outlet complete-reclaiming is to hotel laundry and the higher link of bath water water quality requirement; Wherein biofilm reactor is polyamide composite film, molecular weight cut-off 5nm, working pressure 0.5MPa, membrane flux 10～15L/(m2h), effective film area 0.4m2.
Filtration cycle foot couple fiber ball filter 100 carry out the low strength recoil and clean, the water backwashing strength of submersible pump 68 is 3～5L/(m2s), the gas backwashing strength of recoil air pump 10 is that 6～8L/(m2s) backwashing times are 5～8min.
Carry out cyclic chemical and clean at the three-dimensional photoelectric reactor 78 of foot couple filtration cycle, biofilm reactor 92, clean-out system adopts by 1% H2O2 and 3% citric acid and mixes the complex cleaning and washing agent that forms in the first clean-out system bucket 40 and the second clean-out system bucket 48.
This processing method adopts little flocculation fibre-ball filtration that pre-treatment is carried out in the urban domestic wastewater, because the POLYESTER HIGH ELASTIC YARN fiber-ball filter media of independent development is more open on filtering layer top, the space is larger between ball, more near the filtering layer bottom, fibrous nodules is because deadweight and hydraulic action are piled up more closely knitly, the Fiber Phase IPN is inserted, and has formed a layer of fibers integral body, and the top porosity of whole filtering layer is larger, the bottom porosity, the void distribution of approximate ideal strainer, therefore better to the effect of bathing waste water filtering, add in triturating, by to the selection of material and the test of material property, use by practice simultaneously, finally determine filametntary diameter and length and the contained fiber yarn quantity of each fibrous nodules, therefore, after fibrous nodules lost efficacy, backwash effect was also better, thereby has also prolonged the cycle of operation of fibre-ball filtration.The present invention proposes " little flocculation POLYESTER HIGH ELASTIC YARN fibre-ball filtration, ultrafiltration, nanofiltration combination process ", membrane separation technique is compared traditional biological treatment, have flow process simple, take up an area less, stable, be easy to the characteristics such as management, and separation efficiency is high, process is simple etc., can remove the pollution substances such as larger molecular organics in the water, particulate state suspended substance.The combination process that the present invention proposes is to COD in the bath wastewater, turbidity, the pollutents such as LAS higher clearance arranged, through the pretreated water outlet of little flocculation fibrous nodules again through ultra-filtration membrane and disinfect after, effluent quality can reach hotel lavatory flushing in " Urban Regeneration utilizes city miscellaneous water water quality " (GB/T 18920-2002), the water quality requirement of greening etc., the ultrafiltration water outlet continues advanced treatment through biofilm reactor again, after simultaneously sterile-processed, effluent quality can reach " drinking water sanitary standard " (GB5749-85), can do washing in reuse to hotel fully, the higher links of water water quality requirement such as bathing, thus reach the purpose of bath wastewater comprehensive recycling.
(1) operation treating part
Filter through seston strainer 5 first by pipeline 6 pending urban domestic wastewater, then with little flocculation agent short mix line mixer 1 of being squeezed into from dosing tank 4 by volume pump 2, then enter fiber ball filter 100 by pipeline 38, carry out filtration, purification through filtrate 74, water outlet after purifying enters three-dimensional photoelectric reactor 78 by the first force (forcing) pump 81 through connecting tube 82 and first security personnel's filter core 14 and filters, part water outlet after the filtration is by pipeline 85,43,46, simultaneously after the sterilization of ClO2 disinfection trough reaches " Urban Regeneration utilizes city miscellaneous water water quality " (GB/T 18920-2002) requirement, enter the second water storage tank 37, can reuse to the hotel lavatory flushing, the greening link, partial concentration liquid is by pipeline 91,13 reflux, increase the advanced treatment speed of three-dimensional photoelectric reactor, part is then discharged by pipeline 19; The water outlet of residue ultra-filtration membrane is through pipeline 85,44, the second force (forcing) pump 90, second security personnel's filter core 96, pipeline 95 enter biofilm reactor 92 and filter, filter water outlet through pipeline 97,54, simultaneously through the sterilization of ClO2 disinfection trough reach " drinking water sanitary standard " (GB5749-85) after, enter the first water storage tank 33, can reuse to hotel laundry, link that the bath water water quality requirement is higher, partial concentration liquid refluxes by pipeline 31,24, increase the filtering velocity of the surface filtration of biofilm reactor, part is then discharged by pipeline 29.
(2) back flushing part
Adopt ultrafiltration to disinfect storage water in the water outlet water storage tank 37 as backwashing water, open valve 35, current enter back flushing water tank 9 by pipeline 99, squeeze into fiber ball filter 100 by submersible pump 68 through pipeline 67, simultaneously air by recoil air pump 10 through pipeline 71, squeeze into fiber ball filter 100 by aeration head 11 and carry out air-water backwashing, backwashing water is discharged through overflow port 73, finally remains backwashing water emptying by evacuated tube 12.
When the ultra-filtration membrane cyclic chemical cleaned, first valve- off 75,17,20,45 was opened valve 21,42, complex cleaning and washing agent in the first clean-out system bucket 40 is by pipeline 72, the first force (forcing) pump 81, pipeline 82, first security personnel's filter core 14, pipeline 80 enters three-dimensional photoelectric reactor 78 and carries out matting, clean water outlet through pipeline 85,43, valve 42, pipeline 41 are back to the first clean-out system bucket 40, and cleaning concentrate is by pipeline 91, valve 21, pipeline 89 also are back to the first clean-out system bucket 40.
When the biofilm reactor cyclic chemical cleaned, first valve- off 22,27,30,53 was opened valve 32,49, clean-out system in the second clean-out system bucket 48 is by pipeline 47, the second force (forcing) pump 90, pipeline 88, second security personnel's filter core 96, pipeline 95 enters biofilm reactor 92 and carries out matting, clean water outlet through pipeline 97,50, valve 49, pipeline 103 are back to the second clean-out system bucket 48, and cleaning concentrate is by pipeline 31, valve 32, pipeline 98 also are back to the second clean-out system bucket 48.
Claims (12)
1. integral reclamation apparatus is processed in a urban domestic wastewater, comprise line mixer (1), volume pump (2), seston strainer (5), it is characterized in that, this equipment also comprises dosing tank (4), described dosing tank (4) is connected with line mixer (1) import through volume pump (2), described line mixer (1) outlet connects fiber ball filter (100), described line mixer (1) import also is connected with seston strainer (5), described fiber ball filter (100) is built-in with filtrate (74), and described fiber ball filter (100) water outlet connects the import of the first force (forcing) pump (81) successively, the first security personnel's filter core (14) and three-dimensional photoelectric reactor (78);
Described three-dimensional photoelectric reactor (78) water outlet connects respectively the second water storage tank (37), the first force (forcing) pump (81) and the second force (forcing) pump (90), connects ClO on the pipeline between described three-dimensional photoelectric reactor (78) and the second water storage tank (37)
2Disinfection trough (58), described ClO
2Disinfection trough (58) injects thimerosal in the pipeline between three-dimensional photoelectric reactor (78) and the second water storage tank (37) by the second volume pump (55);
Described the second force (forcing) pump (90) water outlet connects the second security personnel's filter core (96) and biofilm reactor (92) successively, described biofilm reactor (92) water outlet connects respectively the import of the first water storage tank (33) and the second force (forcing) pump (90), connects ClO on the pipeline between described biofilm reactor (92) and the first water storage tank (33)
2Disinfection trough (58), described ClO
2Disinfection trough (58) injects thimerosal between described biofilm reactor (92) and the first water storage tank (33) in the pipeline by the first volume pump (59).
2. integral reclamation apparatus is processed in a kind of urban domestic wastewater according to claim 1, it is characterized in that, back flushing water tank (9) is installed between described fiber ball filter (100) and the second water storage tank (37), submersible pump (68) is arranged in the described back flushing water tank (9), and described fiber ball filter (100) outlet plenum connects respectively described submersible pump (68) and recoil air pump (10).
3. integral reclamation apparatus is processed in a kind of urban domestic wastewater according to claim 1, it is characterized in that, the first clean-out system bucket (40) is installed between described three-dimensional photoelectric reactor (78) and the first force (forcing) pump (81), and the clean-out system pipe that goes out of described the first clean-out system bucket (40) connects the water outlet that the first force (forcing) pump (81) import, the first clean-out system bucket (40) return line connect described three-dimensional photoelectric reactor (78).
4. integral reclamation apparatus is processed in a kind of urban domestic wastewater according to claim 1, it is characterized in that, the second clean-out system bucket (48) is installed between described biofilm reactor (92) and the second force (forcing) pump (90), the clean-out system pipe that goes out of described the second clean-out system bucket (48) connects the second force (forcing) pump (90) import, and the second clean-out system bucket (48) return line connects the water outlet of described biofilm reactor (92).
5. integral reclamation apparatus is processed in a kind of urban domestic wastewater according to claim 1, it is characterized in that, the filtrate (74) of described fiber ball filter (100) highly is 1m, filtrate (74) has upper and lower flange (104,102), be provided with porous plate in the described upper and lower flange (104,102), aperture in the porous plate is 5mm, and pitch of holes is 5mm.
6. integral reclamation apparatus is processed in a kind of urban domestic wastewater according to claim 1, it is characterized in that, what described filtrate (74) adopted is the POLYESTER HIGH ELASTIC YARN fiber-ball filter media, staple length 2～3cm, Fibre diameter 10～15 μ m, single fibrous nodules approximately has 3000 fiber yarns.
7. integral reclamation apparatus is processed in a kind of urban domestic wastewater according to claim 1, it is characterized in that, described three-dimensional photoelectric reactor (78) adopts photoelectric reactor to be made of housing, three dimensional particles electrode, negative electrode micropore titanium plate, positive electrode titanium net and light source UV lamp and flexible fiber loaded photocatalyst.
8. integral reclamation apparatus is processed in a kind of urban domestic wastewater according to claim 1, it is characterized in that, described biofilm reactor (92) is by anaerobic zone, oxygen-starved area and anabolic reaction pond, three districts of aerobic zone, and described aerobic zone has been dosed and has been used for the floating stuffing of good attachment oxygen animalcule and at the aerobic zone end membrane separation assemblies is set.
9. comprehensive recycling method is processed in a urban domestic wastewater, adopts any one equipment described in the claim 1 to 8,
Concrete steps are as follows:
A) centralized collection urban domestic wastewater, filter through seston strainer (5) first by pipeline pending urban domestic wastewater, then with little flocculation agent short mix line mixer (1) of being squeezed into from dosing tank (4) by volume pump (2), then enter fiber ball filter (100) by pipeline and carry out pre-treatment, little flocculant dosage 30mg/L, filtering velocity is 30～40m/h, and be 40～48h filtration cycle;
B) bath wastewater after pretreatment filters and disinfects through three-dimensional photoelectric reactor (79) again, reaches requirement, and a part is purified effluent reuse to hotel lavatory flushing, greening link;
C) residue deep oxidation processing water outlet is processed and is disinfected through biofilm reactor (92) again, reaches requirement, and the water outlet complete-reclaiming is to hotel laundry and the higher link of bath water water quality requirement.
10. comprehensive recycling method is processed in a kind of urban domestic wastewater according to claim 9, it is characterized in that, carries out the low strength recoil at the described fiber ball filter of foot couple filtration cycle (100) and cleans, and the water backwashing strength of submersible pump (68) is 3～5L/(m
2S), the gas backwashing strength of recoil air pump (10) is 6～8L/(m
2S) backwashing time is 5～8min.
11. comprehensive recycling method is processed in a kind of urban domestic wastewater according to claim 9, it is characterized in that, described line mixer (1) mix stages mixing time is 3～5s, and flow velocity is 0.8～1.0m/s.
12. comprehensive recycling method is processed in a kind of urban domestic wastewater according to claim 9, it is characterized in that, carry out cyclic chemical at the described three-dimensional photoelectric reactor of foot couple filtration cycle (78) and biofilm reactor (92) and clean, the clean-out system employing is by 1% H in the first clean-out system bucket (40) and the second clean-out system bucket (48)
2O
2Mix the complex cleaning and washing agent that forms with 3% citric acid.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105384305A (en) * | 2015-11-20 | 2016-03-09 | 太仓市振锋化工设备有限公司 | Domestic sewage treatment process |
| CN105733620A (en) * | 2016-02-26 | 2016-07-06 | 华北电力大学 | Toilet wastewater treatment process |
| CN107129038A (en) * | 2017-06-30 | 2017-09-05 | 哈尔滨工业大学 | A kind of device and its technique for handling water from refined p-benzene dicarboxylic acid production |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1995562A (en) * | 2006-12-20 | 2007-07-11 | 东华大学 | Hotel bathing waste water treatment and integral reclamation apparatus and its method |
| CN101781064A (en) * | 2010-03-12 | 2010-07-21 | 北京林业大学 | Process for advanced treatment of gas wastewater |
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2013
- 2013-01-18 CN CN201310020076.6A patent/CN103073153B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1995562A (en) * | 2006-12-20 | 2007-07-11 | 东华大学 | Hotel bathing waste water treatment and integral reclamation apparatus and its method |
| CN101781064A (en) * | 2010-03-12 | 2010-07-21 | 北京林业大学 | Process for advanced treatment of gas wastewater |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105384305A (en) * | 2015-11-20 | 2016-03-09 | 太仓市振锋化工设备有限公司 | Domestic sewage treatment process |
| CN105733620A (en) * | 2016-02-26 | 2016-07-06 | 华北电力大学 | Toilet wastewater treatment process |
| CN105733620B (en) * | 2016-02-26 | 2019-03-01 | 华北电力大学 | A kind of lavatory waste water treatment process |
| CN107129038A (en) * | 2017-06-30 | 2017-09-05 | 哈尔滨工业大学 | A kind of device and its technique for handling water from refined p-benzene dicarboxylic acid production |
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| CN103073153B (en) | 2014-08-13 |
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