CN103086583A - Device and method of enhancing sludge stability and sludge digestion liquid treatment - Google Patents
Device and method of enhancing sludge stability and sludge digestion liquid treatment Download PDFInfo
- Publication number
- CN103086583A CN103086583A CN2012105731019A CN201210573101A CN103086583A CN 103086583 A CN103086583 A CN 103086583A CN 2012105731019 A CN2012105731019 A CN 2012105731019A CN 201210573101 A CN201210573101 A CN 201210573101A CN 103086583 A CN103086583 A CN 103086583A
- Authority
- CN
- China
- Prior art keywords
- sludge
- reactor
- mud
- sludge digestion
- agitator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 142
- 230000029087 digestion Effects 0.000 title claims abstract description 55
- 239000007788 liquid Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000002708 enhancing effect Effects 0.000 title 1
- 241001453382 Nitrosomonadales Species 0.000 claims abstract description 7
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 238000012856 packing Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 47
- 239000000945 filler Substances 0.000 claims description 33
- 238000011049 filling Methods 0.000 claims description 21
- 238000002203 pretreatment Methods 0.000 claims description 20
- 238000002156 mixing Methods 0.000 claims description 14
- 238000006396 nitration reaction Methods 0.000 claims description 13
- 230000002787 reinforcement Effects 0.000 claims description 13
- 230000014759 maintenance of location Effects 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 5
- 230000003203 everyday effect Effects 0.000 claims description 4
- 239000002028 Biomass Substances 0.000 claims description 3
- JVMRPSJZNHXORP-UHFFFAOYSA-N ON=O.ON=O.ON=O.N Chemical compound ON=O.ON=O.ON=O.N JVMRPSJZNHXORP-UHFFFAOYSA-N 0.000 claims description 3
- 230000002045 lasting effect Effects 0.000 claims description 3
- 238000010899 nucleation Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000011081 inoculation Methods 0.000 claims description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 18
- 230000008569 process Effects 0.000 abstract description 18
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 13
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 9
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 abstract description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 6
- 241000894006 Bacteria Species 0.000 abstract description 6
- 229910002651 NO3 Inorganic materials 0.000 abstract description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 abstract description 3
- 229910021529 ammonia Inorganic materials 0.000 abstract description 3
- GQPLMRYTRLFLPF-UHFFFAOYSA-N nitrous oxide Inorganic materials [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 abstract description 3
- 239000005416 organic matter Substances 0.000 abstract description 3
- IOVCWXUNBOPUCH-UHFFFAOYSA-N Nitrous acid Chemical compound ON=O IOVCWXUNBOPUCH-UHFFFAOYSA-N 0.000 abstract description 2
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 150000002823 nitrates Chemical class 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 238000005728 strengthening Methods 0.000 abstract 1
- 239000010865 sewage Substances 0.000 description 9
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 8
- 229910052698 phosphorus Inorganic materials 0.000 description 8
- 239000011574 phosphorus Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000006641 stabilisation Effects 0.000 description 6
- 238000011105 stabilization Methods 0.000 description 6
- 210000002249 digestive system Anatomy 0.000 description 4
- 238000000855 fermentation Methods 0.000 description 4
- 230000004151 fermentation Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 229910019142 PO4 Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 3
- 239000010452 phosphate Substances 0.000 description 3
- 150000003016 phosphoric acids Chemical class 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- FRXSZNDVFUDTIR-UHFFFAOYSA-N 6-methoxy-1,2,3,4-tetrahydroquinoline Chemical compound N1CCCC2=CC(OC)=CC=C21 FRXSZNDVFUDTIR-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000000050 nutritive effect Effects 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 230000003019 stabilising effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000001079 digestive effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 230000000696 methanogenic effect Effects 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 230000001546 nitrifying effect Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000011020 pilot scale process Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Images
Landscapes
- Treatment Of Sludge (AREA)
Abstract
一种强化污泥稳定集污泥消化液处理的装置和方法属于污泥及污泥消化液处理领域。污泥消化液的氨氮浓度较高（300~500mg/L），在其硝化过程中，由于游离氨和游离亚硝酸对亚硝酸盐氧化菌的抑制作用，使得氨氧化菌得到富集，从而较容易实现短程硝化，硝化出水的亚硝酸盐浓度在200~450mg/L。这部分亚硝进入反应器，首先与悬挂填料柱里面的生物球填料接触，同时厌氧氨氧化菌利用污泥消化过程产生的氨氮进行厌氧氨氧化反应，将氨氮和亚硝酸盐转化为氮气和硝酸盐。氮气从反应器中溢出，而反硝化菌利用污泥消化释放出的有机物为电子供体还原硝酸盐，最终达到去除污泥消化释放的氨氮和处理污泥消化液短程硝化出水的目的。
The invention relates to a device and a method for strengthening the treatment of sludge stably collecting sludge digestion solution, which belong to the field of treatment of sludge and sludge digestion solution. The concentration of ammonia nitrogen in the sludge digestion liquid is relatively high (300~500mg/L). During the nitrification process, due to the inhibitory effect of free ammonia and free nitrous acid on nitrite oxidizing bacteria, the ammonia oxidizing bacteria are enriched, thus more It is easy to realize short-range nitrification, and the concentration of nitrite in the nitrification effluent is 200~450mg/L. This part of nitrous enters the reactor, and first contacts with the biosphere packing in the hanging packing column. At the same time, the anammox bacteria use the ammonia nitrogen produced in the sludge digestion process to perform anammox reaction, and convert ammonia nitrogen and nitrite into nitrogen. and nitrates. Nitrogen overflows from the reactor, and denitrifying bacteria use the organic matter released from sludge digestion as electron donors to reduce nitrate, and finally achieve the purpose of removing ammonia nitrogen released from sludge digestion and treating short-range nitrification effluent of sludge digestion liquid.
Description
Technical field
The invention discloses the apparatus and method that a kind of reinforcement sludge stable set sludge digestion liquid is processed, the primary sludge that produces take municipal wastewater treatment plant and the mixed soil of excess sludge are as processing object, utilize the short distance nitration water outlet reinforcement sludge of sludge digestion liquid to process, realize the coupling of sludge fermentation, denitrification denitrogenation, denitrification dephosphorization, Anammox several functions at integrated reactor, reach the purpose of accelerating organic release, fast and stable mud synchronous processing sludge digestion liquid.These apparatus and method are applicable to this invention and belong to mud and sludge digestion liquid process field.
Background technology
Sludge digestion is the important step of sludge treatment, plays a part degradation of organic substances, promotes sludge stabilizing.Along with the raising that sludge treatment requires, sludge digestion has obtained increasing application in municipal sewage plant and specialized sludge treatment.The sludge digestion method of China present stage is anaerobic digestion mostly, and anaerobic condition bottom fermentation degradation by bacteria organism forms biogas.Restriction due to generation cycle of the restriction of larger molecular organics hydrolysis rate and methanogen and metabolic activity aspect, the desired sludge age of anaerobic sludge digestion generally is greater than 20 days, inevitably brings the problems such as sludge treatment efficient is low, the sludge digestion tank volume large, facility investment increase.
In order to improve the sludge digestion effect, promote mud stability, new technology is continually developed application.The excusing from death preconditioning technique improves the biodegradability of mud by smudge cells, reach the purpose that makes the mud fast and stable.Mud carries out anaerobic digestion after alkaline Effect of Pretreatment, its organic hydrolysis rate and solid reduction rate are significantly increased, and sludge age can be reduced to 8 days from 20 days, greatly improved digestion rate.Thermal treatment can destroy mud flco structure, the interior carbohydrate of born of the same parents, protein etc. is discharged, reinforcement sludge digestion from cell with moisture.Above-mentioned various technology or their integrated application can improve sludge hydrolytic speed, make mud reach the purpose of fast and stable, but all exist the problem that processing costs is high, be difficult to universal utilization, and the actual treatment of mud still has difficulties.
On the other hand, the sludge digestion liquid that produces in the traditional sludge treating processes comprises the supernatant liquor of sludge thickener and digester and the dehydration liquid that the sludge dewatering process produces, and is the difficult waste water of typical high nitrogen, high phosphorus, low-carbon (LC).Along with organism discharges in born of the same parents, ammonia nitrogen and phosphorus etc. also discharges in a large number, and the method for above-mentioned reinforcement sludge digestion makes the release of nutritive element further increase.Organism can be used to methanogenesis or intensified anti-nitrated effect, and the nutritive elements such as nitrogen, phosphorus accumulate.Sewage work generally is back to sludge digestion liquid in the biological sewage treatment main body and processes.Although this part Digestive system water yield only accounts for sewage work and processes 2% of the water yield, but nitrogen, phosphorus load reach 15 ~ 25% of sewage work's total load, this part nitrogen, phosphorus carry out the required carbon source of biological removal and can not be ignored, and very likely affect the effluent quality of sewage work.
In order to evade the drawback of existing sludge digestion, accelerate sludge stabilization process and reasonable disposing sludge Digestive system, the present invention develops the apparatus and method that a kind of reinforcement sludge stable set sludge digestion liquid is processed, short distance nitration water outlet with sludge digestion liquid comes the accelerate sludge organic matter removal, the stablizing and make sludge digestion liquid obtain synchronous processing of reinforcement sludge.Compare with the traditional sludge stabilising method, the advantage of this invention is: cut down nitrogen in sludge digestion process, phosphate releasing, promoted mud stabilization efficiency and synchronous processing sludge digestion liquid.
Summary of the invention
For the deficiencies in the prior art, the present invention transforms the traditional sludge stabilization process, utilizes the short distance nitration water outlet reinforcement sludge stabilization process of sludge digestion liquid, and synchronous processing sludge digestion liquid.
The present invention is achieved through the following technical solutions:
The device that a kind of reinforcement sludge stable set sludge digestion liquid is processed is characterized in that comprising inlet chest 1, intake pump 2, water distributor 3, hanging filler post 4, biological ball filling 5, the first agitator 6, reactor 7, water tank 11, the second agitator 12, mud pre-treatment tank 13, advances dredge pump 14, mud valve 15, spoil disposal case 16 consist of; Wherein, inlet chest 1 is connected with water distributor 3 by intake pump 2, and the mouth spray of water distributor is mounted in hanging filler post 4 tops; Hanging filler post 4 is reticulated structure, and reactor 7 top covers are fixed on top, and main body hangs on reactor 7 inside; The inner biological ball filling 5 of placing of hanging filler post 4; Biological ball filling 5 supports are ducted body, and the surface has groove, and the inner sponge filler of having inoculated anaerobic ammonia oxidizing bacteria of placing can effectively carry out gas, liquid mass transfer, can prevent effectively that again the thalline on its inner sponge filler from coming off; The first agitator 6 is fixed at reactor 7 tops, and stirring rake stretches into reaction zone; Reactor 7 is cone end cylindrical reactor, and inside arranges hollow bottomless columniform baffle plate 1 and baffle plate 29 to play the effect of precipitating sludge; Baffle plate 1 is mounted in reactor 7, and upper and lower ends does not all directly contact in reactor 7; Baffle plate 29 is located at baffle plate one 8 peripheries, and the upper end is connected on reactor 7 top covers, and the lower end does not directly contact with the 7 cone ends of reactor, makes its lower end lower than the level height of baffle plate one 8 lower ends; Water outlet 10 is connected with water tank 11 by pipeline; The second agitator 12 is fixed at mud pre-treatment tank 13 tops, and mud pre-treatment tank 13 is connected with reactor 7 by advancing dredge pump 14; Mud valve 15 is established in reactor 7 bottoms, and is connected with spoil disposal case 16 by pipeline.
The method that described reinforcement sludge stable set sludge digestion liquid is processed is characterized in that comprising the following steps:
The mixing sludge of I sludge seeding inoculation primary sludge and excess sludge is in reactor, and just the ratio of heavy mud/residue mud dry weight is between 0 ~ 2.The sludge concentration of adjusting and keeping in reactor is 8000 ~ 10000mg/L.
II starts opens the first agitator, makes mud enter lasting anaerobic digestion state, and controlling sludge retention time SRT is 5 days.After moving 5 SRT, embed the hanging filler post.In the hanging filler post, filled biomass ball filler, insert the sponge block of having inoculated anaerobic ammonia oxidizing bacteria in biological ball filling.The sludge concentration MLSS of biological ball filling is 200 ~ 250mg/L, is filled in reactor by packing ratio 20%.
III operation intake pump is in opened condition, and the short distance nitration water outlet of sludge digestion liquid sprays in the hanging filler post through intake pump and water distributor, contacts with biological ball filling and spreads to surrounding.Controlling hydraulic detention time HRT is advisable at 2 ~ 5mg/L with water outlet nitrite nitrogen concentration.Insert above-mentioned mixing sludge in mud pre-treatment tank and carry out anaerobically fermenting, sludge retention time SRT is 2 days, and the second agitator rotates continuously.The sludge retention time of controlling reactor is 20 ~ 25 days, opens the mud valve of bottom every day and discharges and the mud that advances the mud equal volume, then open dredge pump, and the mixing sludge through the anaerobism pre-treatment is passed into reactor.
The ammonia nitrogen concentration of sludge digestion liquid is higher by (300 ~ 500mg/L), in its nitrifying process, due to free ammonia and the free nitrous acid restraining effect to NOB, make ammonia oxidation bacteria obtain enrichment, thereby be easier to realize short distance nitration, the nitrite concentration of nitrated water outlet is at 200 ~ 450mg/L.This part nitrous enters reactor, at first contact with the biological ball filling of hanging filler post the inside, and the anaerobic ammonia oxidizing bacteria ammonia nitrogen that utilizes sludge digestion process to produce carries out Anammox and reacts simultaneously, is nitrogen and nitrate with ammonia nitrogen and Nitrite transformation.Nitrogen overflows from reactor, and denitrifying bacteria utilizes organism that sludge digestion discharges to reduce nitrate for electron donor, finally reaches to remove ammonia nitrogen that sludge digestion discharges and the purpose of lignin-sludge Digestive system short distance nitration water outlet.
The short distance nitration water outlet of sludge digestion liquid also contains a large amount of phosphoric acid salt except containing the high density nitrite.The present invention is by making mud utilize nitrite to carry out as electron acceptor(EA) the circulation that denitrifying phosphorus uptake is completed phosphorus in anaerobic phosphorus release and subsequent reactor in mud pre-treatment tank in advance, thereby reaches the purpose of dephosphorization.Along with mud is discharged from reactor, make phosphoric acid salt further be enriched in body refuse.
Compare with traditional sludge stabilization process, this invention has following advantage:
1) sludge retention time is short, and stabilising effect is good, saves cost of equipment and floor space.
2) reactor integrates sludge fermentation, denitrification, Anammox, denitrification dephosphorization several functions, and the settling region can reach better mud-water separation effect on every side.The equipment integration degree is high, easy to utilize.
3) utilize the water outlet of sludge digestion liquid short distance nitration to provide anaerobic environment for the mud stabilization process, accelerated dissolving and the release of larger molecular organics, and the system that occurs as of denitrification provides basicity, make the pH value raise, effectively improve digestive efficiency.
4) compare traditional sludge digestion, the anoxic process has suppressed ammonia nitrogen and phosphatic burst size, and further removes ammonia nitrogen remaining in Digestive system and phosphoric acid salt etc. by Anammox and denitrification dephosphorization, makes sludge digestion liquid obtain cost-effective processing.
Description of drawings
Fig. 1 is the structural representation of apparatus of the present invention.
Fig. 2 is the structural representation of filler in examples of implementation.
In figure: 1---inlet chest; 2---intake pump; 3---water distributor; 4---the hanging filler post; 5---biological ball filling; 6---the first agitator; 7---reactor; 8---baffle plate one; 9---baffle plate two; 10---water outlet; 11---water tank; 12---the second agitator; 13---mud pre-treatment tank; 14---advance dredge pump; 15---mud valve; 16---the spoil disposal case
Embodiment
By reference to the accompanying drawings with example to the application's patent further instruction: as shown in drawings, comprise inlet chest, intake pump, water distributor, hanging filler post, biological ball filling, the first agitator, reactor, water tank, the second agitator, mud pre-treatment tank, advance dredge pump, mud valve, spoil disposal case consist of.Wherein, the useful volume of inlet chest is 15L, and casing is made by organic plastics.Water distributor is pvc pipe.The hanging filler post is cuboid.Its periphery is made of wire netting.Mud pre-treatment tank is cylindrical synthetic glass container, and effective volume is 4L.Reactor is made by synthetic glass, and the effecting reaction volume that baffle plate one surrounds is 10L, and the settling region useful volume between baffle plate one and reactor periphery is 6.5L.The rectangular parallelepiped water tank that water tank is made by organic plastics, useful volume are 15L.The spoil disposal case is cuboid container, is made by organic plastics, and useful volume is 4L.
Inlet chest is connected with water distributor by intake pump, and the mouth spray of water distributor is mounted in above the hanging filler post.The hanging filler post is reticulated structure, and reactor head is fixed on its top, the inner biological ball filling of placing.The biological ball filling support is the hollow square, and the surface is covered with the mass transfer groove, and inner hollow is partly placed sponge filler, can effectively carry out gas, liquid mass transfer, can prevent effectively that again the thalline on its inner sponge filler from coming off.Reactor head is fixed the first agitator, and stirring rake stretches into reaction zone.Reactor is cone end cylindrical reactor, and inside arranges columniform baffle plate one and baffle plate two to play the effect of precipitating sludge.Baffle plate one is mounted in reactor, and upper and lower ends does not all directly contact in reactor.Baffle plate two is located at baffle plate one periphery, and the upper end is connected to reactor top and covers, and the lower end does not directly contact with the reactor cone end, makes its lower end lower than the level height of baffle plate one lower end.Water outlet is connected with water tank by pipeline.The second agitator is fixed in mud pre-treatment tank top, and mud pre-treatment tank is connected with reactor by advancing dredge pump.Reactor bottom is established mud valve, and is connected with the spoil disposal case by pipeline.
The mud that specific embodiment uses is the mixed soil of primary sludge and excess sludge.Primary sludge is taken from the pressure pipeline after the Sewage Plant primary sludge gravity concentration tank of Beijing, concentration 24kgMLSS/m
3, the ratio of volatile sludge concentration MLVSS and sludge concentration MLSS is between 0.55～0.60.Excess sludge is taken from the excess sludge of certain pilot scale SBR, and this sludge denitrification is respond well, and has certain denitrogenation dephosphorizing ability, and MLSS is 3000 ~ 4000mg/L, and the MLVSS/MLSS value is between 0.75～0.80.The mixed soil sludge concentration MLSS of primary sludge and excess sludge is about 8000 mg/L, and just the ratio of heavy mud/residue mud dry weight is that 0 ~ 2, MLVSS/MLSS value is about 0.62～0.80.Sludge digestion liquid is taken between the sludge dewatering of above-mentioned sewage work, and its short distance nitration water outlet nitrous concentration is 280 ~ 320mg/L, and phosphate concn is 12 ~ 18mg/L, and ammonia nitrogen is 24 ~ 55mg/L.
Concrete operating procedure is as follows:
The I sludge seeding is got above-mentioned mixing sludge and is inoculated in reactor.The sludge concentration of adjusting and keeping in reactor is 8000 ~ 10000mg/L.
II starts opens the first agitator, makes mud enter lasting anaerobic digestion state, and controlling sludge retention time SRT is 5 days, to eluriate methanogen.After moving 5 SRT, embed the hanging filler post.In the hanging filler post, filled biomass ball filler, insert the sponge block of having inoculated anaerobic ammonia oxidizing bacteria in biological ball filling.The sludge concentration MLSS of biological ball filling is 200 ~ 250mg/L, is filled in reactor by packing ratio 20%.
III is moved continuously
Embodiment one: intake pump is in opened condition, and the short distance nitration water outlet of sludge digestion liquid enters the hanging filler post continuously through intake pump and water distributor, contacts with biological ball filling and spreads to surrounding.The intake pump flow is 0.5L/ hour, and hydraulic detention time HRT is 20 hours.The sludge retention time SRT that controls reactor is 20 days, opens the mud valve of bottom every day and discharges the 0.5L mixing sludge, then open dredge pump, and the mixing sludge through the anaerobism pre-treatment is passed into integrated reactor, and advancing the mud volume is 0.5L.Insert above-mentioned mixing sludge in mud pre-treatment tank and carry out anaerobically fermenting, sludge retention time SRT is 2 days, and the second agitator rotates continuously.
Embodiment two: intake pump is in opened condition, and the short distance nitration water outlet of sludge digestion liquid enters the hanging filler post continuously through intake pump and water distributor, contacts with biological ball filling and spreads to surrounding.The intake pump flow is 0.4L/ hour, and hydraulic detention time HRT is 25 hours.The sludge retention time SRT of control integration reactor is 25 days, opens the mud valve of bottom every day and discharges the 0.4L mixing sludge, then open dredge pump, and the mixing sludge through the anaerobism pre-treatment is passed into integrated reactor, and advancing the mud volume is 0.4L.Insert above-mentioned mixing sludge in mud pre-treatment tank and carry out anaerobically fermenting, sludge retention time SRT is 2 days, and the second agitator rotates continuously.
Evidence, in processing take actual sewage, the mixed soil of the primary sludge of generation and excess sludge is as processing object, mud starting point concentration MLSS is 7000mg/L, utilize the short distance nitration water outlet reinforcement sludge treating processes of sludge digestion liquid, organic matter discharges fast and is utilized, and makes mud obtain fast and stable.Sludge fermentation, denitrification denitrogenation, denitrification dephosphorization and Anammox act in reactor and can synchronously occur.SRT is 20 ~ 25 days, and MLVSS/MLSS is by dropping to below 45%, the nitrite nitrogen concentration≤5mg/L of water outlet, ammonia nitrogen concentration≤20mg/L, phosphate concn≤4.2mg/L.The operating performance of example one and example two is all in this scope.
Claims (2)
1. the device processed of a reinforcement sludge stable set sludge digestion liquid is characterized in that comprising inlet chest (1), intake pump (2), water distributor (3), hanging filler post (4), biological ball filling (5), the first agitator (6), reactor (7), water tank (11), the second agitator (12), mud pre-treatment tank (13), advances dredge pump (14), mud valve (15), spoil disposal case (16) consist of; Wherein, inlet chest (1) is connected with water distributor (3) by intake pump (2), and the mouth spray of water distributor is mounted in above hanging filler post (4); Hanging filler post (4) is reticulated structure, and reactor (7) top cover is fixed on top, and main body hangs on reactor (7) inside; The inner biological ball filling (5) of placing of hanging filler post (4); Biological ball filling (5) support is ducted body, and the surface has groove, the inner sponge filler of having inoculated anaerobic ammonia oxidizing bacteria of placing; The first agitator (6) is fixed at reactor (7) top, and stirring rake stretches into reaction zone; Reactor (7) is cone end cylindrical reactor, and inside arranges hollow bottomless columniform baffle plate one (8) and baffle plate two (9); Baffle plate one (8) is mounted in reactor (7), and upper and lower ends does not all directly contact in reactor (7); Baffle plate two (9) is located at baffle plate one (8) periphery, and the upper end is connected on reactor (7) top cover, and the lower end does not directly contact with reactor (7) the cone end, makes its lower end lower than the level height of baffle plate one (8) lower end; Water outlet (10) is connected with water tank (11) by pipeline; The second agitator (12) is fixed at mud pre-treatment tank (13) top, and mud pre-treatment tank (13) is connected with reactor (7) by advancing dredge pump (14); Mud valve (15) is established in reactor (7) bottom, and is connected with spoil disposal case (16) by pipeline.
2. utilize the method for the device of reinforcement sludge stable set sludge digestion liquid processing claimed in claim 1, it is characterized in that comprising the following steps:
The mixing sludge of I sludge seeding inoculation primary sludge and excess sludge is in reactor (7), and just the ratio of heavy mud/residue mud dry weight is between 0 ~ 2; The sludge concentration of adjusting and keeping in reactor (7) is 8000 ~ 10000mg/L;
II starts opens the first agitator (6), makes above-mentioned mixing sludge enter lasting anaerobic digestion state, and controlling sludge retention time SRT is 5 days; After moving 5 SRT, embed hanging filler post (4); Filled biomass ball filler (5) in hanging filler post (4), biological ball filling is inserted the sponge block of inoculating anaerobic ammonia oxidizing bacteria in (5); The sludge concentration MLSS of biological ball filling is 200 ~ 250mg/L, is filled in reactor (7) by packing ratio 20%;
III operation intake pump (2) is in opened condition, and the short distance nitration water outlet of sludge digestion liquid sprays in hanging filler post (4) through intake pump (2) and water distributor (3), contacts and spreads to surrounding with biological ball filling (5); Controlling hydraulic detention time HRT is advisable at 2 ~ 5mg/L with water outlet nitrite nitrogen concentration; Also insert above-mentioned mixing sludge in mud pre-treatment tank (13) and carry out anaerobically fermenting, sludge retention time SRT is 2 days, and the second agitator (12) rotates continuously; The sludge retention time of controlling reactor (7) is 20 ~ 25 days, opening the mud valve (15) of bottom every day discharges and the mud that advances the mud equal volume, open again dredge pump (14), the mixing sludge through the anaerobism pre-treatment is passed into reactor (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210573101.9A CN103086583B (en) | 2012-12-25 | 2012-12-25 | Device and method of enhancing sludge stability and sludge digestion liquid treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210573101.9A CN103086583B (en) | 2012-12-25 | 2012-12-25 | Device and method of enhancing sludge stability and sludge digestion liquid treatment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103086583A true CN103086583A (en) | 2013-05-08 |
| CN103086583B CN103086583B (en) | 2014-07-02 |
Family
ID=48199786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210573101.9A Active CN103086583B (en) | 2012-12-25 | 2012-12-25 | Device and method of enhancing sludge stability and sludge digestion liquid treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103086583B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103420481A (en) * | 2013-08-19 | 2013-12-04 | 北京工业大学 | Anaerobic ammonia oxidized coupled heterotrophic denitrifying denitrification method |
| CN103663692A (en) * | 2013-09-03 | 2014-03-26 | 杭州师范大学 | Integrated shortcut nitrification/anaerobic ammoxidation reactor |
| CN104512964A (en) * | 2014-11-29 | 2015-04-15 | 北京工业大学 | Sludge side treatment-based urban sewage short-cut nitrogen removal method |
| CN109312291A (en) * | 2016-06-24 | 2019-02-05 | 隆萨有限公司 | variable diameter bioreactor |
| CN109553262A (en) * | 2017-09-23 | 2019-04-02 | 湖南大学 | A kind of preprocess method improving excess sludge hydrolysis using digestive juice |
| CN109553254A (en) * | 2017-09-23 | 2019-04-02 | 湖南大学 | A kind of preprocess method improving the dissolution of excess sludge intracellular organic matter |
| CN109835984A (en) * | 2017-11-27 | 2019-06-04 | 中国石油天然气集团公司 | A kind of integral part nitrosation clarifier and control method |
| CN110002677A (en) * | 2019-04-19 | 2019-07-12 | 北京工业大学 | Deep treatment method after the anaerobic digestion of excess sludge of municipal sewage plant |
| CN111807510A (en) * | 2019-04-09 | 2020-10-23 | 大禹环服（北京）科技有限公司 | System for generating electron donor by anaerobic digestion to realize denitrification |
| CN116514287A (en) * | 2023-07-03 | 2023-08-01 | 成都理工大学 | Nitrate wastewater domestic sewage synchronous treatment device, system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101671103A (en) * | 2009-09-24 | 2010-03-17 | 浙江工商大学 | Contact type tubificidae sludge decrement reactor and application thereof |
| CN102101720A (en) * | 2011-01-11 | 2011-06-22 | 彭永臻 | Device and method for denitrification of single stage autotroph in low-cellulose nitrate (CN) high-ammonia nitrogen waste water |
| CN102115296A (en) * | 2011-01-14 | 2011-07-06 | 中国环境科学研究院 | Novel multi-cell denitrifying membrane bioreactor |
-
2012
- 2012-12-25 CN CN201210573101.9A patent/CN103086583B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101671103A (en) * | 2009-09-24 | 2010-03-17 | 浙江工商大学 | Contact type tubificidae sludge decrement reactor and application thereof |
| CN102101720A (en) * | 2011-01-11 | 2011-06-22 | 彭永臻 | Device and method for denitrification of single stage autotroph in low-cellulose nitrate (CN) high-ammonia nitrogen waste water |
| CN102115296A (en) * | 2011-01-14 | 2011-07-06 | 中国环境科学研究院 | Novel multi-cell denitrifying membrane bioreactor |
Non-Patent Citations (2)
| Title |
|---|
| 张树军等: "高浓度氨氮消化污泥脱水液半短程硝化试验研究", 《环境科学》 * |
| 马富国等: "部分亚硝化-厌氧氨氧化耦合工艺处理污泥脱水液", 《中国环境科学》 * |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103420481A (en) * | 2013-08-19 | 2013-12-04 | 北京工业大学 | Anaerobic ammonia oxidized coupled heterotrophic denitrifying denitrification method |
| CN103663692A (en) * | 2013-09-03 | 2014-03-26 | 杭州师范大学 | Integrated shortcut nitrification/anaerobic ammoxidation reactor |
| CN104512964A (en) * | 2014-11-29 | 2015-04-15 | 北京工业大学 | Sludge side treatment-based urban sewage short-cut nitrogen removal method |
| US11597900B2 (en) | 2016-06-24 | 2023-03-07 | Lonza Ltd. | Variable diameter bioreactors |
| CN109312291A (en) * | 2016-06-24 | 2019-02-05 | 隆萨有限公司 | variable diameter bioreactor |
| US12227723B2 (en) | 2016-06-24 | 2025-02-18 | Lonza Ltd | Variable diameter bioreactors |
| CN109553262A (en) * | 2017-09-23 | 2019-04-02 | 湖南大学 | A kind of preprocess method improving excess sludge hydrolysis using digestive juice |
| CN109553254A (en) * | 2017-09-23 | 2019-04-02 | 湖南大学 | A kind of preprocess method improving the dissolution of excess sludge intracellular organic matter |
| CN109835984A (en) * | 2017-11-27 | 2019-06-04 | 中国石油天然气集团公司 | A kind of integral part nitrosation clarifier and control method |
| CN109835984B (en) * | 2017-11-27 | 2022-05-10 | 中国石油天然气集团公司 | Integrated partial nitrosation clarification device and control method |
| CN111807510A (en) * | 2019-04-09 | 2020-10-23 | 大禹环服（北京）科技有限公司 | System for generating electron donor by anaerobic digestion to realize denitrification |
| CN110002677B (en) * | 2019-04-19 | 2021-07-30 | 北京工业大学 | Advanced treatment method after anaerobic digestion of excess sludge in urban sewage treatment plant |
| CN110002677A (en) * | 2019-04-19 | 2019-07-12 | 北京工业大学 | Deep treatment method after the anaerobic digestion of excess sludge of municipal sewage plant |
| CN116514287A (en) * | 2023-07-03 | 2023-08-01 | 成都理工大学 | Nitrate wastewater domestic sewage synchronous treatment device, system and method |
| CN116514287B (en) * | 2023-07-03 | 2023-09-08 | 成都理工大学 | Nitrate wastewater and domestic sewage simultaneous treatment device, system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103086583B (en) | 2014-07-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103086583A (en) | Device and method of enhancing sludge stability and sludge digestion liquid treatment | |
| CN104961306B (en) | A kind of processing method of vaccary breeding wastewater | |
| CN103011493B (en) | Method for removing phosphate and nitrogen from hyperphosphate and high ammonia nitrogen sewage and recovering resources | |
| CN102060423B (en) | A method for obtaining denitrification and denitrification carbon source by fermentation of excess sludge | |
| CN102344197B (en) | Method for rapidly starting anaerobic ammonium oxidation reactor | |
| CN104445619B (en) | Waste water advanced denitrification dephosphorization technique and device | |
| CN101538103A (en) | Sewage treatment method and equipment thereof | |
| CN104591473B (en) | Advanced nitrogen and phosphorus removal technology | |
| CN101880090A (en) | Multifunctional complete-set sewage processing method and device | |
| CN103663681B (en) | Device and method for utilizing carbon source in sludge to treat urban sewage through in-depth nitrogen and phosphorus removal by SBR (sequencing batch reactor) | |
| CN101817615A (en) | Anaerobic-sequencing batch biofilm reactor-artificial wetland method for treating piggery wastewater | |
| CN106115920A (en) | Fermented sludge is utilized to realize municipal sewage part short distance nitration and the method and apparatus of Anammox | |
| CN108298771A (en) | A kind of pig farm refuse processing method | |
| CN108383320A (en) | A kind of integrated processing method of livestock breeding wastewater | |
| CN105819567A (en) | Self-circulation anaerobic reactor | |
| CN105036489A (en) | Livestock/poultry culture wastewater deep denitrification and dephosphorization standard treatment device and process | |
| CN105174622A (en) | System and method suitable for treating high concentration organic wastewater | |
| CN108383239A (en) | The integral biological treatment process of short distance nitration Anammox dephosphorization simultaneously under intermittent aerating pattern | |
| CN103043876B (en) | Method for reinforcing sludge digestion and synchronizing nitrogen and phosphorus removal | |
| CN101798142A (en) | Method for rapidly culturing denitrifying granular sludge | |
| CN104773926A (en) | High-nitrogen-content organic wastewater deep denitrification device and deep denitrification method | |
| CN110183032A (en) | A kind of livestock breeding wastewater recycling treatment system | |
| CN107055963B (en) | Efficient and low-consumption advanced treatment device and treatment method for landfill leachate | |
| CN216005540U (en) | Sewage treatment system utilizing internal carbon source based on sludge fermentation | |
| CN217398562U (en) | High-concentration nitrogen-containing wastewater treatment system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160516 Address after: 101101, room 822, block B, Wanda Plaza, Xinhua West Street, Beijing, Tongzhou District Patentee after: Trust Water Environment Investment Company Limited Address before: 100124 Chaoyang District, Beijing Ping Park, No. 100 Patentee before: Beijing University of Technology |
|
| CP03 | Change of name, title or address |
Address after: 101199 7th Floor 701, No. 2 Building, 60 Xinhua West Street, Tongzhou District, Beijing Patentee after: Guotou xinkaishui Environmental Investment Co.,Ltd. Address before: 101101, room 822, block B, Wanda Plaza, Xinhua West Street, Beijing, Tongzhou District Patentee before: XINKAI WATER ENVIRONMENT INVESTMENT Co.,Ltd. |
|
| CP03 | Change of name, title or address |