CN102329051A - Rubbish percolate treatment method and device by taking advanced oxidation and comprehensive membrane treatment as cores - Google Patents
Rubbish percolate treatment method and device by taking advanced oxidation and comprehensive membrane treatment as cores Download PDFInfo
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- CN102329051A CN102329051A CN201110257095A CN201110257095A CN102329051A CN 102329051 A CN102329051 A CN 102329051A CN 201110257095 A CN201110257095 A CN 201110257095A CN 201110257095 A CN201110257095 A CN 201110257095A CN 102329051 A CN102329051 A CN 102329051A
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Abstract
The invention discloses a rubbish percolate treatment method and device by taking advanced oxidation and comprehensive membrane treatment as cores. The treatment method successively comprises the following steps: carrying out standing precipitation and anaerobic reaction in an anaerobic pool; carrying out anaerobic biochemical treatment in a UASB (upflow anaerobic sludge blanket) reactor; carrying out advanced electrooxidation in an advanced oxidation pond with a TiO2 catalyst; flocculating and precipitating pollutants in water with a flocculant in an integrated clarification tank; carrying out secondary biochemical treatment in an MBR (membrane biological reactor) pond; and finally, carrying out membrane filtration in comprehensive membrane treatment equipment comprising ultraviolet ozone oxidation and safety filtration treatment processes and then discharging. The device consists of the anaerobic pool, the UASB reactor, the advanced oxidation pond with the TiO2 catalyst, the integrated clarification tank, the MBR pond and the comprehensive membrane treatment equipment which are communicated in a sequence. The invention has the beneficial effects that the treatment method has good treatment effect, low treatment cost and high comprehensive economic benefits; and the treatment device has small occupied area, saved investment, low operation cost and short construction cycle.
Description
Technical field
The present invention relates to technical field of sewage, particularly a kind ofly be treated to the garbage filter liquid processing method of core and the device that is used for this treatment process with advanced oxidation and comprehensive film.
Background technology
The processing of percolate is the big problem that urban environment is administered always, and the quality that percolate is handled and citizen's health of entire city are closely bound up.But the sewage wide material sources, pollutent is many, deals with the cost height, difficulty is big, especially in the city from the percolate of all trades and professions, its complicated component, pollutent is various, also has a large amount of hazardous and noxious substances.Yet existing sewage water treatment method mainly contains following several kinds.The one, physico-chemical processes; It is exactly flocculation the most widely that physico-chemical processes is used, its advantage is that investment is little, occupation of land less, that save energy, equipment are simply removed heavy metal, phosphorus, colourity is effective, and instant effect; Working cost can not receive the influence of former water water yield size; But shortcoming is low to the clearance of organism and nitrogen, and traditional flocculation agent is not good to the removal effect of the solvability BOD in the waste water, needs auxiliary biochemical processing process as follow-up or pretreatment technology.The 2nd, biochemical process comprises the anaerobic and aerobic processing, and general biochemical processing process is comparatively ripe, and organic pollutant and nutritive substance and the nitrogen etc. removed in the sewage have certain effect.Wherein, anaerobic treatment process is consumes energy not, and the pond body bulk is little, and organic volumetric loading is high, and anti-shock loading is high, but water outlet generally can not be directly up to standard, also need carry out subsequent disposal.Outputted aerobic water water quality is good, and direct qualified discharge, but exist working cost too high simultaneously, also exists and causes the big deficiency of floor space because of organic volumetric loading is too little.In addition, also have advanced oxidation to handle and the embrane method processing.Advanced oxidation is handled and is comprised conventional oxidation process such as Fenton reagent oxidation, ozone oxidation.Tradition high-level oxidation technology cost of investment is too high, pollution substance in the waste water is handled comparatively single, and working cost is higher, present stage the most domestic area difficulty bear its economy; Embrane method is handled and is comprised micro-filtration, ultrafiltration, ro treatment technology.Being mostly of domestic application membrane technology to water treatment, and it is less in handling to be applied in the high density percolate, be single reverse osmosis membrane mostly, equipment volume is huge, floor space is big, and not only cost of investment is high, and the work-ing life of film is short, the running cost height.More than these treatment processs all respectively have advantage and exist not enoughly, these methods and these methods are combined to come the municipal effluent of treating refuse percolate and complicated ingredient simply perhaps are difficult to reach treatment effect preferably, perhaps overall economic efficiency is poor.
Summary of the invention
Of the present invention first purpose is exactly the deficiency to prior art, and a kind of sewage that is used to handle complicated component is provided, and treatment effect is good, overall economic efficiency is high is treated to the garbage filter liquid processing method of core with advanced oxidation and comprehensive film.
For realizing first purpose, the present invention adopts following technical scheme.
A kind of garbage filter liquid processing method that is treated to core with advanced oxidation and comprehensive film; Comprise that preliminary sedimentation and anaerobic reaction, anaerobic biological are handled, senior electrooxidation is handled, flocculate and sink processing, secondary biochemical treatment, the filtering treatment step of embrane method; Said embrane method is filtered into comprehensive embrane method and filters, and the aforementioned processing step is carried out by following order successively:
A preliminary sedimentation and anaerobic reaction: percolate is collected in staticly settles in the anaerobic pond and anaerobic reaction;
The b anaerobic biological is handled: in the UASB reactor drum, carry out anaerobic biological through the percolate behind preliminary sedimentation and the anaerobic reaction and handle;
The senior electrooxidation of c is handled: the percolate after UASB reactor drum anaerobic biological is handled is being added with TiO
2Carrying out senior electrooxidation in the advanced oxidation pond of catalyzer handles;
D flocculation and precipitation process: the percolate of handling through advanced oxidation utilizes flocculation agent to make pollutent flocculation and deposition in the water in integrated settling pond;
The biochemical treatment of e secondary: the percolate after flocculation and precipitation process carries out the secondary biochemical treatment in the MBR pond;
The comprehensive embrane method of f is filtered: the percolate after the secondary biochemical treatment is carried out in the MBR pond is by comprising that the comprehensive film treatment facility of uv ozone oxidation with security personnel's filter process carries out embrane method and filter the back discharging.
Adopt that aforementioned schemes is of the present invention to be treated to the garbage filter liquid processing method of core with advanced oxidation and comprehensive film,, coagulate in traditional electrical and to add TiO in the mode in conjunction with the advantage separately of having utilized traditional electrical flocculation plant and traditional advanced oxidation device
2Catalyzer is strengthened oxidation effectiveness, through experimental test, can reach more than 90% the ammonia nitrogen of percolate, and is efficient more than 85% to removing colourity to reducing the efficient more than 65% of COD, can largely improve the biodegradability of waste water simultaneously.In the MBR pond, remove most of organic substance and residue most ammonia-nitrogen; Do not receive the mud expansion effects; Greatly degree is protected the subsequent film treatment facility; Comprised comprehensive membrane technology such as security personnel's filtration, active carbon filtration, ultrafiltration, r-o-in the comprehensive film treatment facility, the final qualified discharge of waste water has been played guaranteeing role.The technology that the present invention adopts not only has good treatment effect, but also fully takes into account the processing feature or the requirement of each treatment step, makes to be connected good between each processing unit.Such as the anaerobism water outlet owing to have higher dissolved gas and voltaile fatty acid (VFA) and a higher SS; So if the water outlet after the anaerobic treatment directly gets into the aerobic treatment unit in MBR pond; Be easy to cause the phenomenon in the full pond of sludge bulking and foam in the Aerobic Pond; So the advanced oxidation step is placed between the aerobic treatment step in anaerobic treatment and MBR pond; Play the effect of objectionable impuritiess such as electrolysis, decolouring, raising biochemical, removal ammonia nitrogen and heavy metal, guarantee the effect of aerobic treatment.Simultaneously, adopt the MBR treatment technology, guarantee effluent quality, to prolong the life-span of embrane method treatment facility.Therefore, adopt treatment process of the present invention, guaranteed that this used water difficult to degradate of percolate is successfully handled and processing up to standard.In addition, the present invention utilize the UASB reactor drum have simple in structure, organic volumetric loading is high, energy consumption is low, operation and safeguard simple, the low advantage of cost and reduce occupation area of equipment, reduce one-time investment and reduce running cost; Utilize the MBR pond to have the characteristics that capacity of resisting impact load is strong, sludge discharge is few and improve the capacity of resisting impact load of treatment unit, reduce sludge discharge, according to statistics, can reduce the sludge discharge about 30% than the conventional process mode; Utilize comprehensive film treatment facility than conventional film treatment facility have that volume is little, floor space is little, the advantage of reduced investment and prolong film work-ing life, improve plant factor, reduce working cost, thereby realize the high purpose of overall economic efficiency.
High frequency electric source, the alloy electrode of handling employing 1000～8000HZ when senior electrooxidation adopt 316 stainless steels or nickel-bass alloy material to process TiO
2Catalyzer is thrown in the catalytic carrier form and is aided with ultraviolet ray and promotes TiO
2When catalyzer discharged, its treatment effect further improved.Through experimental test, can reach 95% to the ammonia nitrogen removal frank of percolate, reach 70% to reducing the efficient of COD, can reach 90% to color removal.
Second purpose of the present invention provide a kind of be used for the said treatment process of first goal of the invention be treated to the garbage filter liquid processing device of core with advanced oxidation and comprehensive film.
A kind ofly be treated to the garbage filter liquid processing device of core with advanced oxidation and comprehensive film, mainly by anaerobic pond, the UASB reactor drum of the said treatment process of the present invention's first purpose, be added with TiO
2The advanced oxidation pond of catalyzer, integrated settling pond, MBR pond and comprehensive film treatment facility are formed; Anaerobic pond is communicated with the feed-water end that the UASB reactor drum is positioned at the bottom through steam piano and pipeline; Water side, UASB reactor drum top is communicated with the advanced oxidation pond through pipeline; The advanced oxidation pond is connected with the bottom feed-water end of integrated settling pond with pipeline through pump; The water side of integrated settling pond is connected with the feed-water end in MBR pond, and the water side in MBR pond is connected with the water-in of pipeline with comprehensive film treatment facility through pump, and comprehensive film treatment facility is provided with ozone high grade oxidation device and security personnel's strainer.
Adopt the present invention of aforementioned techniques scheme utilize the UASB reactor drum have simple in structure, organic volumetric loading is high, energy consumption is low, operation and safeguard simple, the low advantage of cost and reduce occupation area of equipment, reduce one-time investment and reduce running cost; Utilize the MBR pond to have the characteristics that capacity of resisting impact load is strong, sludge discharge is few and improve the capacity of resisting impact load of treatment unit, reduce sludge discharge, according to statistics, can reduce the sludge discharge about 30% than the conventional process mode; Utilize comprehensive film treatment facility to have the characteristics that volume is little, floor space is little and reduce investment outlay than conventional film treatment facility; Utilize ozone high grade oxidation and security personnel filter to prolong film work-ing life, improve plant factor, reduce working cost, thereby improve overall economic efficiency; Simultaneously, the water outlet effect that also keeps traditional embrane method to handle, thus guarantee that treatment effect is good, can realize the qualified discharge purpose.The present invention fully takes into account when utilizing this device to carry out the percolate processing, and the processing feature of each treatment step or requirement make to be connected good between each processing unit.Such as the anaerobism water outlet owing to have higher dissolved gas and voltaile fatty acid (VFA) and a higher SS; So if the water outlet after the anaerobic treatment directly gets into the aerobic treatment unit in MBR pond; Be easy to cause the phenomenon in the full pond of sludge bulking and foam in the Aerobic Pond; So the advanced oxidation pond is placed between the MBR pond of anaerobic treatment and aerobic treatment,, guarantees the aerobic treatment effect to play the effect of objectionable impuritiess such as electrolysis, decolouring, raising biochemical, removal ammonia nitrogen and heavy metal.Simultaneously, the effluent quality in MBR pond is good, is beneficial to the work-ing life that prolongs comprehensive film treatment facility.
Said UASB reactor drum comprises reaction tank; Be provided with anaerobic sludge and water distribution system bottom the reaction tank and form the sludge reaction district; The feed-water end of water distribution system constitutes UASB reactor drum feed-water end, and the top in sludge reaction district is provided with and is used for isolating three triphase separators of gas-liquid-solid three-phase, and triphase separator is connected with the air chamber that is provided with exhaust line; The top of triphase separator reaction tank is provided with overflow weir, and the spillway of overflow weir constitutes the water side of UASB reactor drum.The advantage of UASB reactor drum is the formation of granule sludge; Mud with good cohesion and sedimentation function forms granule sludge at reactor bottom, and waste water carries out thorough mixing from reactor bottom entering and granule sludge and contacts the back by the microbiological degradation the mud.Because the granule sludge water ratio is little; To go out under the water flow velocity chance with the water emersion very little higher; Make in the reactor drum always to keep very high biological concentration, and the muddy water rate of mass transfer of granule sludge is very high, and has the not advantages such as anti-load impact ability, mud stabilizing power of comparability of floc sludge; The UASB reacting appliance is responded, and living weight is many, the organic volumetric loading rate high, equipment is simple, advantages such as convenient management.
Said advanced oxidation pond comprises that pond body, frequency are the high frequency electric source of 1000～10000HZ; Be provided with a plurality of alloy pole plates of processing by 316 stainless steels or nickel-bass alloy material in the body of pond; A plurality of alloy pole plates are the fence type setting along the flow direction of waste water in the body of pond; One end of a plurality of alloy pole plates is staggered successively to be connected with the positive and negative electrode output terminal of high frequency electric source, is provided with between each adjacent alloy pole plate to be used to carry TiO
2The catalytic carrier of catalyzer; Body top, pond also is provided with slag scraper, and slag scraper is positioned at the water side of pond body, and the slag scraper afterbody is provided with the scum silica frost groove.In this casing of waste water entering that prime is handled, between adjacent alloy pole plate, flow through, start high frequency electric source, the potential difference that exists high frequency electric source to provide between the adjacent alloy pole plate utilizes waste water as the electric current medium, is aided with TiO simultaneously
2Catalyzer carries out senior electrooxidation, and the scum silica frost that the surface forms is collected to concentrate in the scum silica frost groove through slag scraper and discharged, and the waste water behind advanced oxidation gets into postprocessing working procedures.And simple in structure, volumetric loading is high, floor space is little, reduced investment, working cost are low.
Said pole plate top also is provided with ultraviolet light source.Ultraviolet light is beneficial to and promotes TiO
2Catalyzer discharges, and strengthens electricity and coagulates effect, destroys macromolecular substance in the waste water, and the oxidation ammonia nitrogen helps carrying out smoothly of subsequent treatment process.
Be provided with first reaction zone, second reaction zone, the filtrating area of mutual perforation in the said integrated settling pond, the upper end is provided with overflow groove in the integrated settling pond; Said first reaction zone is funnel-form, and first reaction zone is positioned at the middle part of integrated settling pond, and the funnel bottom of first reaction zone is made up of the feed-water end of integrated settling pond inlet channel; Said second reaction zone is positioned at first reaction zone outside, and the bottom of second reaction zone is used for the mud back-mixing and forms mud back-mixing district; It is outside that said filtrating area is positioned at second reaction zone, and the filtrating area bottom is used for sludge settling and forms the settling region; Said overflow groove is used to collect the water that overflows of filtrating area, and overflow groove constitutes the water side of integrated settling pond.When the dosing position is located at first reaction zone, can the waste water after handling through advanced oxidation fully be flocculated and precipitate, and simple in structure.
Said comprehensive film treatment facility also is provided with logical intermediate water tank; The suction culvert of intermediate water tank is connected with the water side in MBR pond, and the outlet pipeline of intermediate water tank is provided with pressure pump, and the outlet pipeline of pressure pump is connected with the feed-water end of ozone high grade oxidation device; Be connected with the oxidation water tank on the outlet pipeline of ozone high grade oxidation device; The outlet pipeline of oxidation water tank is provided with activated charcoal filter, is connected with security personnel's strainer on the outlet pipeline of activated charcoal filter, is connected with first force (forcing) pump on the outlet pipeline of security personnel's strainer; The outlet pipeline of first force (forcing) pump is provided with the ultra filtration filter; Be connected with second force (forcing) pump on the outlet pipeline of ultra filtration filter, be connected with reverse-osmosis filtering device on the outlet pipeline of second force (forcing) pump, the water side of reverse-osmosis filtering device constitutes the water side of whole garbage filter liquid processing device.Get into intermediate water tank through the waste water after the MBR pond biochemical treatment, pumped into by pressure pump and carry out advanced oxidation in the ozone high grade oxidation device, the water outlet after the oxidation gets into the oxidation water tank and stays for some time; The assurance oxidation is thorough; The water power that goes out of oxidation water tank gets into residual ozone in the activated charcoal filter removal waste water, guarantees the life-span of subsequent film, and water outlet gets into security personnel's strainer and removes suspended substance in the former water; Guarantee the normal use of subsequent film; Security personnel filter its water outlet by be located at security personnel filter with the ultra filtration filter between force (forcing) pump pump into the ultra filtration filter and carry out the first step and filter, remove larger molecular organics, part polymer inorganic salt in the water, for the r-o-water outlet is got ready; The water outlet of ultra filtration filter pumps into reverse-osmosis filtering device and carries out osmosis filtration by being located at force (forcing) pump between ultra filtration filter and the reverse-osmosis filtering device; Remove most organic in the waste water, colourity, whole suspended substance, TP, most of inorganic salt, water outlet is as clear as crystal, qualified discharge.The present invention has substituted the filtration unit of single membrane filtration structure, when the designing treatment ability is identical, can greatly reduce equipment volume, reduces floor space, thereby can reduce disposable fund input about 30%; Can improve film work-ing life about 50%, Stop-Time of Device Failure is few, utilization ratio is high, can reduce integrated operation cost about 50%.
The catalyzer that said ozone high grade oxidation device also is provided with ultraviolet light source and is discharged by ultraviolet light catalysis.Ultraviolet light is beneficial to and promotes catalyzer to discharge, and further strengthens oxidation effectiveness.
Adopt the present invention according to the first goal of the invention treatment process of the present invention percolate to be handled with advanced oxidation and the garbage filter liquid processing device that comprehensive film is treated to core; Can fully effectively remove all contaminations matter in the percolate; And deliquescent COD, BOD and N, P there is good effect of removing; Do not receive the influence of hazardous and noxious substances in the waste water, not only be fit to the processing of complicated waste water such as percolate, other sewages are also had good treatment effect.And the treatment unit floor space is little, reduced investment, plant factor high, running cost is low, overall economic efficiency is high.
The present invention's beneficial effect compared with prior art is, treatment process had both had the overall merit of traditional technology, had remedied the deficiency of each treatment technology simultaneously, and the treatment effect of percolate is good, and processing costs is low, overall economic efficiency is high; Treatment unit has that floor space is little, reduced investment, working cost is low, the construction period is short.
Description of drawings
Fig. 1 is the process flow sheet of treatment process of the present invention.
Fig. 2 is the structural representation of treatment unit of the present invention.
Fig. 3 is the structural representation of UASB reactor drum of the present invention.
Fig. 4 is the structural representation of advanced oxidation reactor drum of the present invention.
Fig. 5 is the structural representation of the integrated settling pond of the present invention.
Fig. 6 is the structural representation of the comprehensive film treatment facility of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described, but does not therefore limit the present invention among the described scope of embodiments.
Embodiment 1Referring to Fig. 1, Fig. 2; A kind of garbage filter liquid processing method that is treated to core with advanced oxidation and comprehensive film; Comprise that preliminary sedimentation and anaerobic reaction, anaerobic biological are handled, senior electrooxidation is handled, flocculate and sink processing, secondary biochemical treatment, the filtering treatment step of embrane method; Said embrane method is filtered into comprehensive embrane method and filters, and the aforementioned processing step is carried out by following order successively:
A preliminary sedimentation and anaerobic reaction;
The b anaerobic biological is handled;
The senior electrooxidation of c is handled;
D flocculation and precipitation process;
The biochemical treatment of e secondary;
The comprehensive embrane method of f is filtered.
Before the processing; At the other anaerobic pond 1 of building of household refuse landfill sites; It is up flow anaerobic sludge blanket reactor that a UASB reactor drum 2 is installed then, and UASB reactor drum 2 is anaerobic reactors of a kind of compact construction, connects the advanced oxidation pond 3 of an efficient catalytic then in UASB reactor drum 2 back; Build an integrated settling pond 4 again; Build aerobic reaction processing unit MBR pond 5 in the back of integrated settling pond 4, connect comprehensive film treatment facility 6 at last, comprehensive film treatment facility 6 can adopt the energy-saving low desalination reverse osmosis composite membrane of homemade CTA-NF as nanofiltration membrane component.
When utilization the inventive method is handled, percolate is collected in carries out preliminary sedimentation and anaerobic reaction in the anaerobic pond 1 earlier, send into then and carry out the anaerobic biological processing in the UASB reactor drum 2, thereby percolate is separated into biogas, waste water and mud.
To pass through percolate after UASB reactor drum 2 is handled sends into and carries out advanced oxidation in the efficient catalytic advanced oxidation pond 3 and handle; And then get in the integrated settling pond 4 through adding flocculation agent and flocculate and precipitate; To pass through percolate after integrated settling pond 4 is handled again and send into MBR pond 5 and carry out the secondary biochemical treatment, and adopt comprehensive film treatment facility 6 to carry out embrane method at last and handle.After the percolate of handling through advanced oxidation is getting into integrated settling pond 4 and fully stirs, can improve flocculation and sedimentary speed and effect; After before entering MBR pond 5, fully stirring, further improve secondary biochemical treatment effect through flocculation and sedimentary percolate.
Adopt treatment process of the present invention that the different percolate in two places is handled, before handling percolate and after treatment the detection data of discharge water see the following form.
From table, detecting data can know, after above-mentioned treatment process of the present invention is to common percolate, can reach emission standard and realizes qualified discharge.
Embodiment 2Referring to Fig. 2, a kind ofly be treated to the garbage filter liquid processing device of core with advanced oxidation and comprehensive film, main by the anaerobic pond that is used for the described treatment process of claim 11, UASB reactor drum 2, be added with TiO
2The advanced oxidation pond 3 of catalyzer, integrated settling pond 4, MBR pond 5 and comprise uv ozone oxidation and the filtering comprehensive film treatment facility 6 of ensuring public security is formed; Anaerobic pond 1 is communicated with the feed-water end that UASB reactor drum 2 is positioned at the bottom through steam piano and pipeline; Water side, UASB reactor drum 2 top is communicated with advanced oxidation pond 3 through pipeline; Advanced oxidation pond 3 is connected with the bottom feed-water end of integrated settling pond 4 with pipeline through pump; The water side of integrated settling pond 4 is connected with the feed-water end in MBR pond 5; The water side in MBR pond 5 is connected with the water-in of pipeline with comprehensive film treatment facility 6 through pump, and comprehensive film treatment facility 6 is provided with ozone high grade oxidation device 61 and security personnel's strainer 62.
The front end in MBR pond 5 is provided with independent agitated pool (not shown), with further raising secondary biochemical treatment effect.
Referring to Fig. 3; Said UASB reactor drum 2 comprises reaction tank 15, and reaction tank 15 bottoms are provided with anaerobic sludge and water distribution system 17 and form sludge reaction district 16, and the feed-water end of water distribution system 17 constitutes UASB reactor drum 2 feed-water ends; The top in sludge reaction district 16 is provided with and is used for the isolating triphase separator 18 of gas-liquid-solid three-phase; Triphase separator 18 is connected with the air chamber 19 that is provided with exhaust line, and the top of triphase separator 18 is provided with overflow weir 20, and the spillway of overflow weir 20 constitutes the water side of UASB reactor drum 2.
Referring to Fig. 4; Said advanced oxidation pond 3 comprises that pond body 21, frequency are the high frequency electric source 22 of 5000HZ; Be provided with a plurality of alloy pole plates of processing by 316 stainless steels or nickel-bass alloy material 23 in the pond body 21; The flow direction of a plurality of alloy pole plates 23 body 21 interior waste water along the pond is the fence type setting, and an end of a plurality of alloy pole plates 23 is staggered successively to be connected with the positive and negative electrode output terminal of high frequency electric source 22, is provided with between each adjacent alloy pole plate 23 to be used to carry TiO
2The catalytic carrier 24 of catalyzer; Body 21 tops in pond also are provided with slag scraper 25, and slag scraper 25 is positioned at the water side of pond body 21, and slag scraper 25 afterbodys are provided with scum silica frost groove 26.
Said pole plate 3 tops also are provided with ultraviolet light source 27.
Referring to Fig. 5, be provided with first reaction zone 9, second reaction zone 10, the filtrating area 13 of mutual perforation in the said integrated settling pond 4, the upper end is provided with overflow groove 41 in the integrated settling pond 4; Said first reaction zone 9 is funnel-form, and first reaction zone 9 is positioned at the middle part of integrated settling pond 4, and the funnel bottom of first reaction zone 9 is made up of the feed-water end of integrated settling pond 4 inlet channel 14; Said second reaction zone 10 is positioned at first reaction zone, 9 outsides, and the bottom of second reaction zone 10 is used for the mud back-mixing and forms mud back-mixing district 11; Said filtrating area 13 is positioned at second reaction zone, 10 outsides, and filtrating area 13 bottoms are used for sludge settling and form settling region 12; Said overflow groove 41 is used to collect the water that overflows of filtrating area 13, and overflow groove 41 constitutes the water side of integrated settling pond 4.
Be connected with the agitated pool (not shown) between integrated settling pond 4 and the advanced oxidation pond 3, with flocculation and sedimentary speed and the effect that improves integrated settling pond 4.
Referring to Fig. 6; Said comprehensive film treatment facility 6 also is provided with logical intermediate water tank 63; The suction culvert of intermediate water tank 63 is connected with the water side in MBR pond 5, and the outlet pipeline of intermediate water tank 63 is provided with pressure pump 64, and the outlet pipeline of pressure pump is connected with the feed-water end of ozone high grade oxidation device 61; Be connected with oxidation water tank 70 on the outlet pipeline of ozone high grade oxidation device 61; The outlet pipeline of oxidation water tank 70 is provided with activated charcoal filter 65, is connected with security personnel's strainer 66 on the outlet pipeline of activated charcoal filter 65, is connected with first force (forcing) pump 67 on the outlet pipeline of security personnel's strainer 66; The outlet pipeline of first force (forcing) pump 67 is provided with ultra filtration filter 68; Be connected with on the outlet pipeline of ultra filtration filter 68 and connect reverse-osmosis filtering device 71 on the outlet pipeline of second force (forcing) pump, 69, the second force (forcing) pumps 69, the water side of reverse-osmosis filtering device 71 constitutes the water side of whole garbage filter liquid processing device.
The catalyzer that said ozone high grade oxidation device 61 also is provided with ultraviolet light source and is discharged by ultraviolet light catalysis.
When adopting treatment unit treating refuse percolate of the present invention; Earlier percolate is collected in preliminary sedimentation and anaerobic reaction in the anaerobic pond 1; Send into then and carry out anaerobic treatment in the UASB reactor drum 2; Percolate gets in the sludge reaction district 16 through water distribution system 17, with the strong anaerobic sludge reaction of a large amount of particles, and then will react the biogas, waste water and the mud that generate through triphase separator 18 and separate.
Percolate after process UASB reactor drum 2 is handled is sent into and is carried out the advanced oxidation processing in the efficient catalytic advanced oxidation pond 3, in percolate, adds flocculation agent then, gets into first reaction zone 9 from the below through inlet channel 14; Top from first reaction zone 9 flows into second reaction zone 10 again, because the bottom upflow velocity of second reaction zone 10 is very fast, mud has ascendant trend; And on the top of second reaction zone 10, along with the increase of basal area, upflow velocity reduces; Mud has a declining tendency, and can reach balance in some stagnation point risings and downtrending like this, forms a sludge interface clearly; It below sludge interface dense mud back-mixing district 11; When percolate passed through from bottom to top, the mud in the mud back-mixing district 11 played good filteration, intensifying treatment effect to the pollution substance in the percolate; Reduce the dosage of flocculation agent, reduce working cost.Percolate flows out from filtrating area 13 through 12 backs, settling region then, accomplishes the treating processes of integrated settling pond 4.
To send into MBR pond 5 at the percolate that integrated settling pond 4 was handled, get final product qualified discharge after adopting comprehensive film treatment facility 6 to handle at last.
The frequency of the high frequency electric source 22 of present embodiment also can be selected any one among 1000HZ, 2500 HZ, 8000 HZ, the 10000HZ for use, conveniently is principle with buying.
Though more than combined accompanying drawing to describe embodiment of the present invention; But those of ordinary skill in the art also can recognize in the scope to accompanying claims and make various variations or modification, and these modifications and variation are interpreted as within scope of the present invention and intention.
Claims (10)
1. garbage filter liquid processing method that is treated to core with advanced oxidation and comprehensive film; Comprise that preliminary sedimentation and anaerobic reaction, anaerobic biological are handled, senior electrooxidation is handled, flocculate and sink processing, secondary biochemical treatment, the filtering treatment step of embrane method; It is characterized in that: said embrane method is filtered into comprehensive embrane method and filters, and the aforementioned processing step is carried out by following order successively:
A preliminary sedimentation and anaerobic reaction: percolate is collected in the anaerobic pond (1) staticly settles and anaerobic reaction;
The b anaerobic biological is handled: in UASB reactor drum (2), carry out anaerobic biological through the percolate behind preliminary sedimentation and the anaerobic reaction and handle;
The senior electrooxidation of c is handled: the percolate after UASB reactor drum (2) anaerobic biological is handled is being added with TiO
2Carrying out senior electrooxidation in the advanced oxidation pond (3) of catalyzer handles;
D flocculation and precipitation process: the percolate of handling through advanced oxidation utilizes flocculation agent to make pollutent flocculation and deposition in the water in integrated settling pond (4);
The biochemical treatment of e secondary: the percolate after flocculation and precipitation process carries out the secondary biochemical treatment in MBR pond (5);
The comprehensive embrane method of f is filtered: the percolate after the secondary biochemical treatment is carried out in MBR pond (5) is by comprising that the comprehensive film treatment facility (6) of uv ozone oxidation with security personnel's filter process carries out embrane method and filter the back discharging.
2. according to claim 1ly be treated to the garbage filter liquid processing method of core, it is characterized in that: be under the condition of the alloy electrode of processing with the high frequency electric source of 1000～8000HZ and 316 stainless steels or nickel-bass alloy material, to carry out in the said senior electrooxidation processed steps with advanced oxidation and comprehensive film.
3. according to claim 2ly be treated to the garbage filter liquid processing method of core, it is characterized in that: also comprise in the said senior electrooxidation processed steps and adopt ultraviolet ray to promote TiO with advanced oxidation and comprehensive film
2Catalyzer discharges.
4. one kind is treated to the garbage filter liquid processing device of core with advanced oxidation and comprehensive film, it is characterized in that: main by the anaerobic pond that is used for the described treatment process of claim 1 (1), UASB reactor drum (2), be added with TiO
2The advanced oxidation pond (3) of catalyzer, integrated settling pond (4), MBR pond (5) and comprehensive film treatment facility (6) are formed; Anaerobic pond (1) is communicated with the feed-water end that UASB reactor drum (2) is positioned at the bottom through steam piano and pipeline; UASB reactor drum (2) water side, top is communicated with advanced oxidation pond (3) through pipeline; Advanced oxidation pond (3) is connected with the bottom feed-water end of pipeline with integrated settling pond (4) through pump; The water side of integrated settling pond (4) is connected with the feed-water end of MBR pond (5); The water side in MBR pond (5) is connected with the water-in of pipeline with comprehensive film treatment facility (6) through pump, and comprehensive film treatment facility (6) is provided with ozone high grade oxidation device (61) and security personnel's strainer (62).
5. the garbage filter liquid processing device that is treated to core with advanced oxidation and comprehensive film according to claim 4; It is characterized in that: said UASB reactor drum (2) comprises reaction tank (15); Be provided with anaerobic sludge and water distribution system (17) bottom the reaction tank (15) and form sludge reaction district (16); The feed-water end of water distribution system (17) constitutes UASB reactor drum (2) feed-water end; The top in sludge reaction district (16) is provided with and is used for the isolating triphase separator of gas-liquid-solid three-phase (18); Triphase separator (18) is connected with the air chamber (19) that is provided with exhaust line, and the top of triphase separator (18) is provided with overflow weir (20), and the spillway of overflow weir (20) constitutes the water side of UASB reactor drum (2).
6. the garbage filter liquid processing device that is treated to core with advanced oxidation and comprehensive film according to claim 4; It is characterized in that: said advanced oxidation pond (3) comprises that pond body (21), frequency are the high frequency electric source (22) of 1000～10000HZ; Be provided with a plurality of alloy pole plates of processing by 316 stainless steels or nickel-bass alloy material (23) in the pond body (21); The flow direction of a plurality of alloy pole plates (23) interior waste water of body (21) along the pond is the fence type setting; One end of a plurality of alloy pole plates (23) is staggered successively to be connected with the positive and negative electrode output terminal of high frequency electric source (22), is provided with between each adjacent alloy pole plate (23) to be used to carry TiO
2The catalytic carrier of catalyzer (24); Pond body (21) top also is provided with slag scraper (25), and slag scraper (25) is positioned at the water side of pond body (21), and slag scraper (25) afterbody is provided with scum silica frost groove (26).
7. according to claim 6ly be treated to the garbage filter liquid processing device of core with advanced oxidation and comprehensive film, it is characterized in that: said pole plate (3) top also is provided with ultraviolet light source (27).
8. the garbage filter liquid processing device that is treated to core with advanced oxidation and comprehensive film according to claim 4; It is characterized in that: be provided with first reaction zone (9), second reaction zone (10), the filtrating area (13) of mutual perforation in the said integrated settling pond (4), the upper end is provided with overflow groove (41) in the integrated settling pond (4); Said first reaction zone (9) is funnel-form, and first reaction zone (9) is positioned at the middle part of integrated settling pond (4), and the funnel bottom of first reaction zone (9) is made up of the feed-water end of integrated settling pond (4) inlet channel (14); Said second reaction zone (10) is positioned at first reaction zone (9) outside, and the bottom of second reaction zone (10) is used for the mud back-mixing and forms mud back-mixing district (11); Said filtrating area (13) is positioned at second reaction zone (10) outside, and filtrating area (13) bottom is used for sludge settling and forms settling region (12); Said overflow groove (41) is used to collect the water that overflows of filtrating area (13), and overflow groove (41) constitutes the water side of integrated settling pond (4).
9. the garbage filter liquid processing device that is treated to core with advanced oxidation and comprehensive film according to claim 4; It is characterized in that: said comprehensive film treatment facility (6) also is provided with logical intermediate water tank (63); The suction culvert of intermediate water tank (63) is connected with the water side of MBR pond (5); The outlet pipeline of intermediate water tank (63) is provided with pressure pump (64); The outlet pipeline of pressure pump is connected with the feed-water end of ozone high grade oxidation device (61), is connected with oxidation water tank (70) on the outlet pipeline of ozone high grade oxidation device (61), and the outlet pipeline of oxidation water tank (70) is provided with activated charcoal filter (65); Be connected with security personnel's strainer (66) on the outlet pipeline of activated charcoal filter (65); Be connected with first force (forcing) pump (67) on the outlet pipeline of security personnel's strainers (66), the outlet pipeline of first force (forcing) pump (67) is provided with ultra filtration filter (68), is connected with second force (forcing) pump (69) on the outlet pipeline of ultra filtration filter (68); Be connected with reverse-osmosis filtering device (71) on the outlet pipeline of second force (forcing) pump (69), the water side of reverse-osmosis filtering device (71) constitutes the water side of whole garbage filter liquid processing device.
10. describedly be treated to the garbage filter liquid processing device of core according to claim 4 or 9, it is characterized in that: the catalyzer that said ozone high grade oxidation device (61) also is provided with ultraviolet light source and is discharged by ultraviolet light catalysis with advanced oxidation and comprehensive film.
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