CN206616130U - The sludge reduction system that a kind of pyrohydrolysis is handled with efficient anaerobic - Google Patents
The sludge reduction system that a kind of pyrohydrolysis is handled with efficient anaerobic Download PDFInfo
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- CN206616130U CN206616130U CN201720273517.7U CN201720273517U CN206616130U CN 206616130 U CN206616130 U CN 206616130U CN 201720273517 U CN201720273517 U CN 201720273517U CN 206616130 U CN206616130 U CN 206616130U
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- Prior art keywords
- sludge
- gravity concentration
- pyrohydrolysis
- heat
- hydrolysis
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
-
- 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
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- 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
- Y02W10/40—Valorisation of by-products of wastewater, sewage or sludge processing
Abstract
The utility model discloses the sludge reduction system that a kind of pyrohydrolysis and efficient anaerobic are handled, including the gravity concentration system being sequentially connected, for second pond sludge to be carried out into gravity concentration；External heat hydrolysis system with waste heat recovery, is destroyed for cell and colloform texture to sludge after gravity concentration.Dewatering system, for combining the conditioning of previous pyrohydrolysis, mechanically, carries out deep dehydration to sludge, further reduces volume.Anaerobic reaction system, for carrying out efficient anaerobic reaction to filtrate after dehydration, while producing the heat application of the external heat hydrolysis system of biogas ribbon supply waste heat recovery.Significantly, pathogenic microorganism and parasitic ovum are eliminated the system mud decrement effect, and organic matter is decomposed, filter residue can land use, realize sludge stabilizing, innoxious；Anaerobic digestion only is carried out to filtrate, system capacity is realized from the recycling supplied with sludge resource, while greatly reducing processing equipment floor space.
Description
Technical field
The utility model is related to sludge disposal technology, the sludge reduction that especially a kind of pyrohydrolysis is handled with efficient anaerobic
System.
Background technology
To urban wastewater treatment firm sludge, processing disposal options feasible at present have：It is anaerobic digestion and land use, aerobic
Fermentation is cooperateed with land use, machinery desiccation with burning, Industrial Stoves, lime stabilization and landfill, deep dehydration and landfill.With it
He compares mainstream technology, and anaerobic digestion has the advantage that resource circulation utilization efficiency high, energy consumption are low, occupation of land is few with land use,
The technology makes sludge stabilizing by decomposing organic substance in sludge, and biogas is produced while reducing in sludge quantity, digestion process,
Biomass energy can be reclaimed, is sludge reduction, stabilisation, the preferred technique of recycling therefore.But technique city at home
When town sewage plant is applied on the spot, Chang Yinwu Treatment of Sludge reserves place, faces the problem of processing equipment arrangement space is limited, because
This, need to reduce floor space by further optimize technique, raising treatment effeciency.
Utility model content
To overcome the deficiencies in the prior art, the utility model provides the dirt that a kind for the treatment of effeciency is high, energy consumption is low, occupation of land is small
Mud treatment system.
The technical solution adopted in the utility model is：
The sludge reduction system that a kind of pyrohydrolysis is handled with efficient anaerobic, including be sequentially connected
Gravity concentration system, for second pond sludge to be carried out into gravity concentration；
External heat hydrolysis system with waste heat recovery, is broken for cell and colloform texture to sludge after gravity concentration
It is bad, the moisture binding capacity of sludge is reduced, while reducing the compressibility of sludge；
Dewatering system, for combining pyrohydrolysis conditioning, mechanically carries out deep dehydration with further to sludge
Reduce volume；
Anaerobic reaction system, for carrying out efficient anaerobic reaction to filtrate after dehydration, while producing biogas supplies external heat
The heat application of hydrolysis system.
Further, the gravity concentration system includes gravity concentration tower, for second pond sludge to be carried out into gravity concentration；Post
Pump is filled in, for by the down first-level transport of the sludge after gravity concentration.
Further, the external heat hydrolysis system with waste heat recovery includes being connected to gravity concentration system and dehydration in turn
First-class heat exchanger, secondary heat exchanger, three-level heat exchanger between system, hydrolysis reactor, pressure retaining valve, the three-level heat exchanger with
Hydrolysis reactor input is connected, and the output end of hydrolysis reactor connects pressure retaining valve by secondary heat exchanger.
Further, the dewatering system includes hydrolysis surge tank, press filtration feed pump, the high pressure plate compression being sequentially connected
Machine.
Further, the IC that the anaerobic reaction system includes being sequentially connected adjusts tank, IC feed pumps, IC reactors, air storage
Capsule, biogas booster fan, heat-conducting oil furnace, the input of IC regulation tanks is connected with high pressure plate and frame filter press output end and IC is adjusted
Vertical stirrer is provided with tank, reservoir hag exports combustible biogas by biogas booster fan and heats heat-conducting oil furnace, described to lead
The heat application of the external heat hydrolysis system of hot oil furnace ribbon supply waste heat recovery.
The beneficial effects of the utility model：
(1) under the high temperature and high pressure environment of hydrolysis system, the colloidal substance in sludge is dissolved, and cellular material is destroyed,
Macromolecular substances are hydrolyzed, and improve the dehydration depth of follow-up plate and frame filter press, and reduced training is notable.
(2) sludge after hydrolysis is first subjected to separation of solid and liquid, anaerobic digestion only is carried out to filtrate, improve IC reactors appearance
Product load, digestion rate, shorten hydraulic detention time, so that processing equipment floor space is greatly reduced, meanwhile, anaerobism system
The biogas yield and fire damp purity of system are improved, and realize the recycling and system capacity confession of biomass resource
Should.
(3) sludge pathogenic microorganism and parasitic ovum after hydrolysis is eliminated, and organic matter is decomposed after anaerobic digestion, filter
Slag can land use, realize the stabilisation, innoxious of sludge.
Brief description of the drawings
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the utility model sludge reduction system.
Embodiment
As shown in figure 1, the sludge reduction system that a kind of pyrohydrolysis of the present utility model is handled with efficient anaerobic, including according to
Secondary connection
Gravity concentration system, for second pond sludge to be carried out into gravity concentration；It is dense that the gravity concentration system includes gravity
Contracting tower 1, for second pond sludge to be carried out into gravity concentration；Plunger pump 2, for the sludge after gravity concentration is defeated toward next stage
Send.
External heat hydrolysis system with waste heat recovery, is broken for cell and colloform texture to sludge after gravity concentration
It is bad, the moisture binding capacity of sludge is reduced, while reducing the compressibility of sludge；The external heat hydrolysis system with waste heat recovery
Including the first-class heat exchanger 3 being connected in turn between gravity concentration system and dewatering system, secondary heat exchanger 4, three-level heat exchanger
5th, hydrolysis reactor 6, pressure retaining valve 7, the three-level heat exchanger 5 are connected with the input of hydrolysis reactor 6, hydrolysis reactor 6 it is defeated
Go out end and pressure retaining valve 7 is connected by secondary heat exchanger 4.
Dewatering system, for combining the conditioning of previous pyrohydrolysis, mechanically, carries out deep dehydration to sludge, enters
One step reduces volume；The dewatering system includes hydrolysis surge tank 8, press filtration feed pump 9, the high pressure plate and frame filter press being sequentially connected
10。
Anaerobic reaction system, for carrying out efficient anaerobic reaction to filtrate after dehydration, while producing biogas ribbon supply waste heat
The heat application of the external heat hydrolysis system of recovery.The anaerobic reaction system includes IC regulations tank 11, the IC chargings being sequentially connected
Pump 13, IC reactors 14, reservoir hag 15, biogas booster fan 16, heat-conducting oil furnace 17, the input and high pressure of IC regulation tanks 11
The output end of plate and frame filter press 10 connects and is provided with vertical stirrer 12 in IC regulation tanks 11, and reservoir hag 15 passes through biogas booster fan
The combustible biogas heating heat-conducting oil furnace 17 of 16 outputs, heat application of the heat-conducting oil furnace 17 for external heat hydrolysis system.
Before underway temperature anaerobic fermentation, second pond sludge is first subjected to gravity concentration, then use by heat conducting oil boiler
Self-produced biogas, heats heat carrier, is hydrolysis system heat supply, realizes system capacity from the recycling supplied with sludge resource；Through
Gravity concentration, pyrohydrolysis and high pressure plate compression deep dehydration, realize sludge reduction, mud cake outward transport land use.Sludge is rich
The pathogenic microorganism and parasitic ovum of collection are thoroughly killed under the high temperature and high pressure environment of pyrohydrolysis system, its contained organic matter warp
Cross anaerobic digestion to be decomposed, realize sludge stabilizing.
Preferred embodiments of the present utility model are the foregoing is only, the utility model is not limited to above-mentioned embodiment party
Formula, if with essentially identical means realize the technical scheme of the utility model purpose belong to protection domain of the present utility model it
It is interior.
Claims (5)
1. the sludge reduction system that a kind of pyrohydrolysis is handled with efficient anaerobic, it is characterised in that：Including what is be sequentially connected
Gravity concentration system, for second pond sludge to be carried out into gravity concentration；
External heat hydrolysis system with waste heat recovery, is destroyed for cell and colloform texture to sludge after gravity concentration,
To reduce the moisture binding capacity of sludge while reducing the compressibility of sludge；
Dewatering system, for combining pyrohydrolysis conditioning, mechanically carries out deep dehydration further to reduce to sludge
Volume；
Anaerobic reaction system, for carrying out efficient anaerobic reaction to filtrate after dehydration, while producing biogas supplies additional pyrohydrolysis
The heat application of system.
2. the sludge reduction system that a kind of pyrohydrolysis according to claim 1 is handled with efficient anaerobic, it is characterised in that：
The gravity concentration system includes gravity concentration tower (1), for second pond sludge to be carried out into gravity concentration；Plunger pump (2), is used for
By the down first-level transport of the sludge after gravity concentration.
3. the sludge reduction system that a kind of pyrohydrolysis according to claim 1 is handled with efficient anaerobic, it is characterised in that：
The external heat hydrolysis system with waste heat recovery includes the one-level being connected in turn between gravity concentration system and dewatering system
Heat exchanger (3), secondary heat exchanger (4), three-level heat exchanger (5), hydrolysis reactor (6), pressure retaining valve (7), the three-level heat exchanger
(5) it is connected with hydrolysis reactor (6) input, the output end of hydrolysis reactor (6) connects pressure retaining valve by secondary heat exchanger (4)
(7)。
4. the sludge reduction system that a kind of pyrohydrolysis according to claim 1 is handled with efficient anaerobic, it is characterised in that：
The dewatering system includes hydrolysis surge tank (8), press filtration feed pump (9), the high pressure plate and frame filter press (10) being sequentially connected.
5. the sludge reduction system that a kind of pyrohydrolysis according to claim 1 is handled with efficient anaerobic, it is characterised in that：
The anaerobic reaction system includes IC regulation tanks (11), IC feed pumps (13), IC reactors (14), the reservoir hag being sequentially connected
(15), biogas booster fan (16), heat-conducting oil furnace (17), input and the high pressure plate and frame filter press (10) of IC regulation tanks (11)
Output end connects and vertical stirrer (12) is provided with IC regulation tanks (11), and reservoir hag (15) is defeated by biogas booster fan (16)
Go out combustible biogas heating heat-conducting oil furnace (17), heat application of the heat-conducting oil furnace (17) for external heat hydrolysis system.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720273517.7U CN206616130U (en) | 2017-03-20 | 2017-03-20 | The sludge reduction system that a kind of pyrohydrolysis is handled with efficient anaerobic |
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| CN201720273517.7U CN206616130U (en) | 2017-03-20 | 2017-03-20 | The sludge reduction system that a kind of pyrohydrolysis is handled with efficient anaerobic |
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| CN206616130U true CN206616130U (en) | 2017-11-07 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108862975A (en) * | 2018-09-20 | 2018-11-23 | 天津壹新环保工程有限公司 | A kind of sludge anaerobic processing method and system |
| CN108996887A (en) * | 2018-08-31 | 2018-12-14 | 四川深蓝环保科技有限公司 | A kind of thickened sludge hydro-thermal treatment method and system |
| CN110002712A (en) * | 2019-04-04 | 2019-07-12 | 杨洋 | Sludge energy treatment process |
| CN110272177A (en) * | 2019-07-09 | 2019-09-24 | 上海东振环保工程技术有限公司 | A kind of industrial park sewage plant biochemistry excess sludge decrement method and application |
| CN110615589A (en) * | 2019-08-29 | 2019-12-27 | 山东鲁抗中和环保科技有限公司 | Method and device for reducing biochemical sludge by using waste heat of tail gas |
-
2017
- 2017-03-20 CN CN201720273517.7U patent/CN206616130U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108996887A (en) * | 2018-08-31 | 2018-12-14 | 四川深蓝环保科技有限公司 | A kind of thickened sludge hydro-thermal treatment method and system |
| CN108862975A (en) * | 2018-09-20 | 2018-11-23 | 天津壹新环保工程有限公司 | A kind of sludge anaerobic processing method and system |
| CN110002712A (en) * | 2019-04-04 | 2019-07-12 | 杨洋 | Sludge energy treatment process |
| CN110272177A (en) * | 2019-07-09 | 2019-09-24 | 上海东振环保工程技术有限公司 | A kind of industrial park sewage plant biochemistry excess sludge decrement method and application |
| CN110615589A (en) * | 2019-08-29 | 2019-12-27 | 山东鲁抗中和环保科技有限公司 | Method and device for reducing biochemical sludge by using waste heat of tail gas |
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