CN104478181B - Sludge reduction device and method combining composite enzyme treatment with microfauna predation - Google Patents
Sludge reduction device and method combining composite enzyme treatment with microfauna predation Download PDFInfo
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- CN104478181B CN104478181B CN201410765461.8A CN201410765461A CN104478181B CN 104478181 B CN104478181 B CN 104478181B CN 201410765461 A CN201410765461 A CN 201410765461A CN 104478181 B CN104478181 B CN 104478181B
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- pond
- microfauna
- sludge
- compound enzyme
- mud
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/20—Sludge processing
Abstract
The invention discloses a sludge reduction device combining composite enzyme treatment with microfauna predation. The sludge reduction device comprises a composite enzyme pretreatment tank, a bacteria growth pool and a microfauna predation pool, which are sequentially communicated with one another, wherein a sludge inlet is formed in the composite enzyme pretreatment tank; a sludge outlet is formed in the microfauna predation pool; and the volume ratio of the composite enzyme pretreatment tank to the bacteria growth pool to the microfauna predation pool is 1 to (1.3-1.8) to (2-2.5). The invention also discloses a sludge reduction treatment method. The method comprises the following steps: preparing a composite enzyme liquid from composite enzyme and sterile water at the mass-volume ratio of 1 to (5-20); adding the composite enzyme liquid which accounts for 0.1-5% of sludge flow to the composite enzyme pretreatment tank; feeding the sludge to the bacterial growth pool and degrading after remaining in the composite enzyme pretreatment tank for 2-24 hours; and finally carrying out predation to digest sludge with microfauna. According to the sludge reduction device and method disclosed by the invention, the sludge is greatly digested by virtue of synergistic effects of the composite enzyme, bacteria and the microfauna; and the sludge reduction device and method have the characteristics of low cost, operation stability and high treatment efficiency.
Description
Technical field
The present invention relates to field of environment engineering technology, particularly relate to a kind of compound enzyme and process and microfauna
Prey on the sludge reduction apparatus and method that combine.
Background technology
Ending the end of the year in 2012, whole nation urban wastewater treatment amount reaches 416.2 hundred million m3, generation exhausted
Dewatered sludge amount is more than 6,500,000 tons.Open source information shows, mud produced by wastewater treatment in China factory is near
80% does not carries out stabilisation, harmlessness disposing, therefore, has the most rationally solved the outlet of municipal sludge
Become the most urgent task.Sludge Reduction Technologies, by the minimizing of mud self yield, makes mud
Dispose and transfer to " Sources controlling " from " end treatment ", be the green skill realizing mud watershed management
Art, strengthens having very important significance the research of Sludge Reduction Technologies.
Biochemical method becomes current mud decrement skill with advantages such as its low cost, pollution-free, low energy consumption
The focus of art research.
The Chinese patent literature of Publication No. CN102173501A discloses a kind of for municipal sludge
The compound enzymic preparation of decrement, containing bromelain 50～60%, lysozyme 5～10%, surplus is
Yeast product.Compound enzymic preparation is added in activated sludge tank, can substantially reduce the yield of mud.
The Chinese patent literature of Publication No. CN102010109A discloses a kind of biological enzyme and exists
Excess sludge processes the application in disposing, and enzyme is by pectase, protease, lipase, cellulose
Enzyme, catalase, amylase form, and by enzyme catalysis mud, make muddy water sharp separation, reduce
Sludge volume, it is achieved that to river sludge minimizing harmless treatment.
The Chinese patent literature of Publication No. CN1884135A discloses one and utilizes microorganism predation to subtract
The device of few excess sludge production, utilizes the inside of microorganism predation mud decrement gasifying device to be separated by dividing plate
Become microfauna vitellarium, mud-water separation district, anoxic zone, there is organics removal and mud decrement
Function.
The Chinese patent literature of Publication No. CN102180574A disclose a kind of ultrasonic Treatment with
Microfauna is ingested the excess sludge decrement method combined, and utilizes ultrasonic Treatment to make the granule of mud
Particle diameter is decreased to suitable microfauna and ingests, and then utilizes the effect of ingesting of microfauna to carry out residue dirt
Mud decrement.Mud decrement efficiency is up to 46.2～60.1%.
The Chinese patent literature of Publication No. CN102491612A disclose one utilize microorganism and
Microfauna clears up device and the processing method of mud, this device mainly include sewage degradation reaction device,
Sludge digestion reactor, mudpan etc., fixation of microbe combined stuffing in sludge digestion reactor
With multiple hydraulic barriers, on combined stuffing, inoculate Limnodrilus hoffmeisteri, reach to cut down the purpose of mud.
The Chinese patent literature of Publication No. CN102897913A discloses a kind of utilization and bypasses biology
Reactor carries out system and the technique of mud decrement, is divided into and interconnects mutually in described bypass bioreactor
Logical adjustment pond and agitating reaction pond, the mud got rid of by Sedimentation tank is carried out in bypass bioreactor
Reaction, then loops in biochemistry pool, reaches the purpose of decrement.
In terms of published Chinese patent literature, currently, engineering uses cellulase treatment mud very
Few, it is possible to reduce the volume of mud but sludge quality do not reduce.Microfauna is used to clear up mud,
Microfauna accounts for many with Limnodrilus hoffmeisteri, and owing to Limnodrilus hoffmeisteri polypide is relatively big, operational management difficulty is big, to water outlet
The impact of ammonia nitrogen total phosphorus is big.The sludge digestion apparatus structure used is partially simple, normally only sets up microfauna
Vitellarium, sludge digestion effect cannot ensure.
Summary of the invention
In order to overcome the defect of prior art, the invention provides a kind of sludge reduction processing means and
Method, can reduce volume and the quality of mud simultaneously, and not affect biochemical system effluent quality.
The invention provides a kind of compound enzyme and process the sludge reduction combined with microfauna prey
Processing means, it includes that the compound enzyme pretreatment pool being sequentially communicated, bacterial growth pond and microfauna are caught
Food pond, described compound enzyme pretreatment pool has sludge inlet, and described microfauna prey pond has mud
Outlet；The volume ratio in described compound enzyme pretreatment pool, bacterial growth pond and microfauna prey pond is
1:1.3～1.8:2～2.5.
Described compound enzyme pretreatment pool is mainly used in mud flco dispersing and disintegrating, by larger molecular organics
It is degraded to little molecule；Described compound enzyme can dissolve the cell wall of antibacterial in mud, makes bacterial death,
Then antibacterial carries out flourish, antibacterial for substrate in bacterial growth pond with himself cell lysates
Amount reproduction be conducive to sludge digestion, after mud enters microfauna prey pond, antibacterial and a large amount of dirty
Mud is all reached to clear up the purpose of mud by microfauna prey.It is micro-that described microfauna is preferably floating type
Type animal.Such as ciliate etc..
As preferably, the bottom in described bacterial growth pond and microfauna prey pond is equipped with aeration dress
Put.Certain dissolved oxygen is kept to be beneficial to antibacterial and miniature dynamic in bacterial growth pond and microfauna prey pond
The growth of thing, is simultaneously also beneficial to clearing up of mud.
As preferably, in described compound enzyme pretreatment pool, be provided with agitator, be provided with in bacterial growth pond every
Plate, microfauna prey is provided with filler in pond.
Described agitator is for by uniform for the sludge agitation in compound enzyme pretreatment pool.Described dividing plate has
Guide functions, beneficially bacterial growth.
As preferably, described filler is combined stuffing, polyurethane filler or fiberfill.
As preferably, described microfauna prey pond connecting and has return duct, described return duct one end is even
The low order end other end being connected on microfauna prey pond connects compound enzyme pretreatment pool.
It is biochemical that microfauna prey pond upper part mixed liquor is discharged into sewage treatment plant through sludge outlet
System front end；Microfauna prey pond lower part is back to by return duct after microfauna prey
Compound enzyme pretreatment pool is reprocessed.
Present invention also offers and a kind of use above-mentioned compound enzyme to process to combine with microfauna prey
The method of sludge reduction processing means process mud:
Compound enzyme and sterilized water are obtained complex enzyme liquid according to mass volume ratio 1:5～20 preparation, will be multiple
Synthase preparation adds compound enzyme pretreatment pool to according to the 0.1～5% of mud discharge；Mud is at compound enzyme
Enter bacterial growth pond after the stop 2～24h of pretreatment pool to degrade；Finally carry out with microfauna
Mud is cleared up in predation.
The present invention creatively combines compound enzyme, antibacterial and microfauna and is jointly processed by mud, utilizes it
Synergism between makes the quality of mud and volume all be greatly reduced.
As preferably, the addition of described complex enzyme liquid is the 0.5～2% of mud discharge.
As preferably, described compound enzyme is by the preparation of amylase, protease, lipase and cellulase
Become.Activated sludge main constituent extracellular polymeric by protein, polysaccharide, humus, lipid, nucleic acid and
Phospholipid is constituted.Selected compound enzyme has preferable degradation effect to polymer.
As preferably, the volume ratio of described amylase, protease, lipase and cellulase is:
1～10:1～10:1～10:1～10.Ratio is according to the composition characteristic compatibility of sewage disposal system activated sludge.
As preferably, the wherein dissolved oxygen content 3～6mg/L in bacterial growth pond, microfauna prey pond
Interior dissolved oxygen content 2～5mg/L.
The beneficial effects of the present invention is: before microfauna prey district, set up pretreating zone and antibacterial is raw
Long district, utilizes composite hydrolysis ferment treatment to dismiss mud flco, utilizes the organic increment antibacterial of lysis,
Value-added antibacterial promotes the amount reproduction of micro-metazoa, beneficially the clearing up of mud, have low cost,
The feature that stable and treatment effeciency is high.
Accompanying drawing explanation
Fig. 1 is the sludge reduction processing means schematic diagram used by method implementing the present invention.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.
The method of the present invention is the part in sewage treatment step, is mainly used in mud decrement and processes,
Can use in conjunction with existing sludge treatment technique.
Fig. 1 is the sludge reduction bioreactor used by method implementing the present invention, including connecting successively
Logical compound enzyme pretreatment pool 1, bacterial growth pond 2 and microfauna prey pond 3.
Compound enzyme pretreatment pool is provided with mud inlet valve 4 and compound enzyme inlet valve 5.Microfauna is caught
The top in food pond 3 is provided with sludge outlet valve 6, and the bottom in microfauna prey pond 3 connects return duct
7, the other end of return duct 7 is connected to the top of compound enzyme pretreatment pool 1, and return duct 7 is provided with
Sludge reflux valve 8, return duct 7 is provided with reflux pump 9.
The bottom in bacterial growth pond 3 and microfauna prey pond 4 is equipped with aerator 10, compound enzyme
Being provided with agitator 11 in pretreatment pool 2, be provided with dividing plate 12 in bacterial growth pond 3, microfauna is caught
Food is provided with filler 13 in pond 4.
Embodiment 1
Through existing sewage treatment plant (AAO activated sludge process, water inlet is based on sanitary sewage)
Mud after second-level settling pond processes enters compound enzyme pretreatment pool 1 by mud imported valve 4, dirty
Mud is entering bacterial growth pond after the pretreatment 12 hours of compound enzyme in compound enzyme pretreatment pool 1
2, mud is entering into microfauna prey pond through bacterial degradation after 18 hours in bacterial growth pond 2
3, last mud discharges through sludge outlet valve 6 after processing 24 hours in microfauna prey pond 3
To sewage treatment plant's biochemical system front end, partial sludge is back to compound enzyme through sludge reflux valve 8 simultaneously
Pretreatment pool 1 is reprocessed；
Wherein, compound enzyme is by commercialization amylase, protease, lipase and cellulase in mass ratio
1:1:1:1 is compounding to be formed, and compound enzyme is dissolved in sterilized water and obtains complex enzyme liquid, wherein compound enzyme and nothing
The mass volume ratio of bacterium water is 1:10, complex enzyme liquid is added according to the 5% of mud discharge with peristaltic pump
In compound enzyme pretreatment pool 1, and stir with agitator 11 mud and complex enzyme liquid stirred,
Stirring motor rotating speed is 150rpm；The dissolved oxygen in bacterial growth pond 2 controls 3～6mg/L；Miniature
Animal predation pond 3 uses combined stuffing, periodically adds floating type microfauna (ciliate), dissolves
Oxygen controls 2～5mg/L.
Sewage treatment plant's biochemical system mud decrement 60～65% can be realized with this understanding.
Embodiment 2
Through existing sewage treatment plant (AO activated sludge process, water inlet is based on dyeing and printing sewage) two
Mud after level sedimentation tank processes enters compound enzyme pretreatment pool 2, mud by mud imported valve 4
Entering bacterial growth pond 2 in compound enzyme pretreatment pool 1 after the pretreatment 24 hours of compound enzyme,
Mud entering into microfauna prey pond 3 through bacterial degradation after 36 hours in bacterial growth pond 2,
Last mud is discharged into through sludge outlet valve 6 after processing 48 hours in microfauna prey pond 3
Sewage treatment plant's biochemical system front end, to be back to compound enzyme through sludge reflux valve 8 pre-for partial sludge simultaneously
Process pond 1 to reprocess；
Wherein, compound enzyme is by commercialization amylase, protease, lipase and cellulase in mass ratio
5:2:5:2 is compounding to be formed, and compound enzyme is dissolved in sterilized water and obtains complex enzyme liquid, wherein compound enzyme and nothing
The mass volume ratio of bacterium water is 1:5, complex enzyme liquid is added to according to the 1% of mud discharge with peristaltic pump
In compound enzyme pretreatment pool 1, and stir with agitator 11 mud and complex enzyme liquid stirred,
Stirring motor rotating speed is 200rpm；The dissolved oxygen in bacterial growth pond 2 controls 3～6mg/L；Miniature
Animal predation pond 3 uses combined stuffing, periodically adds floating type microfauna (ciliate), dissolves
Oxygen controls 2～5mg/L.
Sewage treatment plant's biochemical system mud decrement 80～85% can be realized with this understanding.
Embodiment 3
Through existing sewage treatment plant, (SBR activated sludge process, water inlet sanitary sewage accounts for 50%, industry
Sewage accounts for 50%) second-level settling pond process after mud enter compound enzyme by mud imported valve 4
Pretreatment pool 1, mud pretreatment 24 hours through compound enzyme in compound enzyme pretreatment pool 1 is laggard
Entering bacterial growth pond 2, mud is entering into after 36 hours micro-through bacterial degradation in bacterial growth pond 2
Type animal predation pond 3, last mud process 48 hours in microfauna prey pond 3 after through mud
Outlet valve 6 is discharged into sewage treatment plant's biochemical system front end, and partial sludge is through sludge reflux valve 10 simultaneously
It is back to compound enzyme pretreatment pool 1 reprocess；
Wherein, compound enzyme is by commercialization amylase, protease, lipase and cellulase in mass ratio
5:2:5:2 is compounding to be formed, and compound enzyme is dissolved in sterilized water and obtains complex enzyme liquid, wherein compound enzyme and nothing
The mass volume ratio of bacterium water is 1:10, complex enzyme liquid is added according to the 1% of mud discharge with peristaltic pump
In compound enzyme pretreatment pool 1, and stir with agitator 11 mud and complex enzyme liquid stirred,
Stirring motor rotating speed is 200rpm；The dissolved oxygen in bacterial growth pond 2 controls 3～6mg/L；Miniature
Animal predation pond 3 uses combined stuffing, periodically adds floating type microfauna (ciliate), dissolves
Oxygen controls 2～5mg/L.
Sewage treatment plant's biochemical system mud decrement 50～60% can be realized with this understanding.
Embodiment 4
Sink through two grades of existing sewage treatment plant (MBR embrane method, water inlet based on trade effluent)
Mud after pond, shallow lake processes enters compound enzyme pretreatment pool 1 by mud imported valve 4, and mud is multiple
In synthase pretreatment pool 1, the pretreatment through compound enzyme enters bacterial growth pond 2, mud after 24 hours
Entering into microfauna prey pond 3, finally through bacterial degradation after 36 hours in bacterial growth pond 2
Mud is discharged into sewage through sludge outlet valve 6 after processing 48 hours in microfauna prey pond 3
Treatment plant's biochemical system front end, partial sludge is back to compound enzyme through sludge reflux valve 10 and locates in advance simultaneously
Reason pond 1 is reprocessed；
Wherein, compound enzyme is by commercialization amylase, protease, lipase and cellulase in mass ratio
5:1:10:5 is compounding to be formed, and compound enzyme is dissolved in sterilized water and obtains complex enzyme liquid, wherein compound enzyme with
The mass volume ratio of sterilized water is 1:10, complex enzyme liquid is added according to the 2% of mud discharge with peristaltic pump
It is added in compound enzyme pretreatment pool 1, and stirs mud and compound enzymic preparation stirring with agitator 11
Uniformly, stirring motor rotating speed is 200rpm；The dissolved oxygen in bacterial growth pond 2 controls 3～6mg/L；
Microfauna prey pond 3 uses combined stuffing, periodically adds floating type microfauna (ciliate),
Dissolved oxygen controls 2～5mg/L.
Sewage treatment plant's biochemical system mud decrement 90% can be realized with this understanding.
Embodiment 5
Through existing sewage treatment plant (oxidation ditch activated sludge process, water inlet is based on sanitary sewage)
Mud after second-level settling pond processes enters compound enzyme pretreatment pool 1 by mud imported valve 4, dirty
Mud entering bacterial growth pond 2 in compound enzyme pretreatment pool 1 after the pretreatment 6 hours of compound enzyme,
Mud entering into microfauna prey pond 3 through bacterial degradation after 9 hours in bacterial growth pond 2,
Last mud is discharged into sewage treatment plant department of biochemistry through sludge outlet valve 6 in interior process after 12 hours
System front end, partial sludge is back to compound enzyme pretreatment pool 1 through sludge reflux valve 10 and carries out simultaneously
Process；
Wherein, compound enzyme is by commercialization amylase, protease, lipase and cellulase in mass ratio
5:5:5:1 is compounding to be formed, and compound enzyme is dissolved in sterilized water and obtains complex enzyme liquid, wherein compound enzyme and nothing
The mass volume ratio of bacterium water is 1:20, complex enzyme liquid is added according to the 0.5% of mud discharge with peristaltic pump
It is added in compound enzyme pretreatment pool 1, and stirs equal to mud and complex enzyme liquid stirring with agitator 11
Even, stirring motor rotating speed is 200rpm；The dissolved oxygen in bacterial growth pond 2 controls 3～6mg/L；
Microfauna prey pond 3 uses combined stuffing, periodically adds floating type microfauna (ciliate),
Dissolved oxygen controls 2～5mg/L.
Sewage treatment plant's biochemical system mud decrement 40～50% can be realized with this understanding.
Claims (3)
1. a compound enzyme processes the sludge reduction combined with microfauna prey and processes mud
Method, it is characterised in that compound enzyme and sterilized water are obtained according to mass volume ratio 1:5～20 preparation
Complex enzyme liquid, adds complex enzyme liquid to compound enzyme pretreatment pool according to the 0.1～5% of mud discharge；
Mud enters bacterial growth pond after compound enzyme pretreatment pool stops 2～24h and degrades；Finally with micro-
Type animal carries out predation and clears up mud；Described compound enzyme is by amylase, protease, lipase and fiber
Element enzyme is formulated；The mass ratio of described amylase, protease, lipase and cellulase is:
1～10:1～10:1～10:1～10；The wherein dissolved oxygen content 3～6mg/L in bacterial growth pond, microfauna
Dissolved oxygen content 2～5mg/L in predation pond；
Realize compound enzyme pretreatment pool that the device of described method includes being sequentially communicated, bacterial growth pond and
Microfauna prey pond, described compound enzyme pretreatment pool has sludge inlet, described microfauna prey
Pond has sludge outlet；Described compound enzyme pretreatment pool, bacterial growth pond and microfauna prey pond
Volume ratio is 1:1.3～1.8:2～2.5；
The bottom in described bacterial growth pond and microfauna prey pond is equipped with aerator；
It is provided with agitator in described compound enzyme pretreatment pool, in bacterial growth pond, is provided with dividing plate, miniature dynamic
Thing predation is provided with filler in pond.
2. method as claimed in claim 1, it is characterised in that: described filler is combined stuffing, gathers
Urethane filler or fiberfill.
3. method as claimed in claim 1, it is characterised in that: connect on described microfauna prey pond
Being connected to return duct, described return duct is provided with reflux pump, described return duct one end is connected to miniature dynamic
The bottom other end in thing predation pond connects compound enzyme pretreatment pool.
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| CN111377761B (en) * | 2020-03-10 | 2022-06-10 | 南京师范大学 | Method for reducing earthworm compost in composite conditioning dehydrated sludge |
| CN113233727B (en) * | 2021-05-20 | 2022-04-19 | 广州大学 | Method for enhancing rapid cell lysis of excess sludge by using compound biological enzyme |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH08155496A (en) * | 1994-12-06 | 1996-06-18 | Shinko Pantec Co Ltd | Method and apparatus for digestion treatment of sludge |
| CN100460340C (en) * | 2006-07-07 | 2009-02-11 | 汪群慧 | Process for high performance treatment of organic sewage and reduction of excess sludge output |
| CN102010109B (en) * | 2010-10-29 | 2012-09-19 | 孙祥章 | Application of bio-enzyme catalysis in residual sludge treatment |
| CN202116413U (en) * | 2011-02-17 | 2012-01-18 | 广州市恒兆环境生物工程有限公司 | Sludge decrement reactor |
| CN102381891A (en) * | 2011-07-23 | 2012-03-21 | 天津北洋百川生物技术有限公司 | Method for producing organic fertilizer by using activated sludge |
| CN102408177A (en) * | 2011-08-19 | 2012-04-11 | 广州珠水环境科技有限公司 | Biological complex enzyme for sludge recycling and use method thereof |
| CN202226753U (en) * | 2011-09-23 | 2012-05-23 | 南京中世环境科技股份有限公司 | Sewage treatment device with function of sludge reduction |
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Non-Patent Citations (3)
| Title |
|---|
| 剩余污泥消减技术的研究;李守富;《环境科学与管理》;20070228;第32卷(第2期);45-47页 * |
| 微型动物捕食污泥减量工艺研究现状;李洪枚;《环境科技》;20101231;第23卷(第6期);61-65页 * |
| 污泥减量化技术的研究进展;梁鹏 等;《环境污染治理技术与设备》;20030131;第4卷(第1期);44-52页 * |
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