CN207330679U - A kind of municipal sludge innocuity disposal system - Google Patents
A kind of municipal sludge innocuity disposal system Download PDFInfo
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- CN207330679U CN207330679U CN201721026877.3U CN201721026877U CN207330679U CN 207330679 U CN207330679 U CN 207330679U CN 201721026877 U CN201721026877 U CN 201721026877U CN 207330679 U CN207330679 U CN 207330679U
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Abstract
The utility model discloses a kind of municipal sludge innocuity disposal system, including sequentially connected level-one digester, two level digester, storage room and combustion chamber；The methane outlet of level-one digester and two level digester is connected with the biogas import of storage room, and the methane outlet of storage room and the biogas import of combustion chamber connect；Further include hothouse, incinerator, heat exchanger and packed absorber；First heat source import of hothouse and the offgas outlet of combustion chamber connect；The sludge import of hothouse is connected with the sludge outlet of two level digester；The sludge import of the sludge outlet and incinerator of hothouse connects；First high-temperature flue gas outlet of incinerator and the Secondary Heat Source import of hothouse connect；Second high-temperature flue gas outlet of incinerator and the gas inlet of heat exchanger connect；The exhanst gas outlet of heat exchanger and the gas inlet of packed absorber connect.The municipal sludge innocuity disposal system is simple in structure, and pathogen killing rate is high, and stability is good, and the energy is fully utilized.
Description
Technical field
It the utility model is related to technical field of sludge treatment, more particularly to a kind of municipal sludge innocuity disposal system.
Background technology
Municipal sludge is the byproduct produced during municipal sewage treatment.The municipal sludge yield in China is huge, component
Complexity, the extremely complex heterogeneous body that it is made of machine relic, microorganism, inorganic particle, colloid etc.；Wherein organic matter
Content it is high, cause it easily corrupt, stench produced, so as to cause serious secondary environmental pollution.At present, China's Treatment of Sludge
The starting stage is still in disposal, a big chunk only passes through letter without any stabilization processes in national treatment of town sewage and sludge
Just directly filled, burned after single sludge dewatering.
But there are following defect for existing processing method：
(1) sludge after disposing is still unstable, and corruption once occurs for organic principle in sludge, and becoming confrontation environment can cause
Serious secondary pollution；
(2) useful resources in sludge are not utilized, bring the waste of resource, do not meet the mesh of sustainable development
Mark.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of municipal sludge harmless treatment
System, simple in structure, after sludge treatment, pathogen killing rate is high, and stability is good, and biogas, energy can be produced in processing procedure
Source is fully utilized, and meets the demand of Green Development.
The purpose of this utility model adopts the following technical scheme that realization：
A kind of municipal sludge innocuity disposal system, including primary treatment system and aftertreatment systems；At the primary
Reason system includes sequentially connected level-one digester, two level digester, storage room and combustion chamber；The level-one digester and described
The biogas delivery outlet of two level digester is connected with the biogas input port of the storage room, the biogas delivery outlet of the storage room with
The biogas input port connection of the combustion chamber；The aftertreatment systems include hothouse, incinerator, heat exchanger and filler and inhale
Receive tower；First heat source input port of the hothouse is connected with the tail gas delivery outlet of the combustion chamber；The sludge of the hothouse
Input port is connected with the sludge delivery outlet of the two level digester；The sludge delivery outlet of the hothouse and the dirt of the incinerator
Mud input port connects；First high-temperature flue gas delivery outlet of the incinerator is connected with the Secondary Heat Source input port of the hothouse；
Second high-temperature flue gas delivery outlet of the incinerator is connected with the flue gas input port of the heat exchanger；The cigarette of the heat exchanger
Gas delivery outlet is connected with the flue gas input port of the packed absorber；Heat ventilation delivery outlet and the drying of the heat exchanger
The 3rd heat source input port connection of room.
Further, the primary treatment system further includes homogeneous pond, the sludge delivery outlet in the homogeneous pond and described one
The sludge input port connection of level digester.
Further, concentration basin is further included, the sludge delivery outlet of the concentration basin and the sludge of the level-one digester are defeated
Entrance connects.
Further, the primary treatment system further includes concentration basin and homogeneous pond, the concentration basin sludge delivery outlet with
The sludge input port connection in the homogeneous pond, the sludge input port of the sludge delivery outlet in the homogeneous pond and the level-one digester
Connection.
Further, haydite manufacture room, the first sludge delivery outlet and the haydite manufacture room of the incinerator are further included
Sludge input port connection；Second sludge delivery outlet of the incinerator is in communication with the outside.
Further, the level-one digester and the two level digester are anaerobic digester.
Compared with prior art, the beneficial effects of the utility model are：
(1) municipal sludge innocuity disposal system provided by the utility model, including primary treatment system and follow-up place
Reason system two large divisions, level-one digester and two level digester of the sludge Jing Guo primary treatment system, produces substantial amounts of biogas, natural pond
Gas can be as the heat source of hothouse, and biogas is also output to extraneous for the standby use of system peripheral.The biogas of generation is first left concentratedly
In, it is necessary in use, storing indoor biogas is transfused to combustion chamber, biogas combustion produces high-temperature tail gas, high temperature tail in storage room
Gas inputs in hothouse and dry indoor sludge direct contact heat transfer；Dried sludge, which enters in incinerator, to be burned,
Organic matter in sludge can almost decompose completely, and pathogen can completely be killed and can less sludge body to greatest extent
Product.A large amount of high-temperature flue gas can be produced in burning process, the high-temperature flue gas of generation is divided into two-way, be transfused to all the way in hothouse with it is dry
Dry indoor sludge carries out heat exchange, and another part high-temperature flue gas passes through packed absorber, absorbs the SO in it2Etc. acidity
Gas and NOxDeng being discharged into the external world after alkaline gas.If high-temperature flue gas is input directly into packed absorber, it is possible to is led
Cause situations such as absorbing liquid boiling, generation security incident, or absorbing liquid are rotten after heating up, and assimilation effect is deteriorated, therefore high temperature cigarette
Before gas enters packed absorber, heat exchanger is first passed around, with air heat exchange, high temperature occur in heat exchanger for high-temperature flue gas
Flue-gas temperature is inputted to packed absorber again after reducing；And it is input to from the high temperature air (heat ventilation) of heat exchanger processing dry
Dry room, the drying for sludge.
(2) municipal sludge innocuity disposal system provided by the utility model, it is simple in structure, after sludge treatment, cause of disease
Body killing rate is high, and stability is good, and biogas can be produced in processing procedure, biogas as the energy for system self-operating use or
It is standby for system peripheral, while the high-temperature flue gas that sludge incineration produces also is re-used by system, is reduced operating cost, is met
The demand of Green Development.
Brief description of the drawings
The schematic diagram for the municipal sludge innocuity disposal system that Fig. 1 is provided by the utility model embodiment.
In figure：10th, concentration basin；20th, homogeneous pond；30th, level-one digester；40th, two level digester；50th, storage room；60th, fire
Burn room；70th, hothouse；80th, incinerator；90th, haydite manufacture room；100th, heat exchanger；110th, packed absorber.
Embodiment
In the following, with reference to attached drawing and embodiment, the utility model is described further, it is necessary to explanation is,
On the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new
Embodiment.
As shown in Figure 1, a kind of municipal sludge innocuity disposal system, including primary treatment system and aftertreatment systems；
Primary treatment system includes sequentially connected level-one digester 30, two level digester 40, storage room 50 and combustion chamber 60；Level-one disappears
The biogas delivery outlet for changing pond 30 and two level digester 40 is connected with the biogas input port of storage room 50, and the biogas of storage room 50 is defeated
Outlet is connected with the biogas input port of combustion chamber 60；Aftertreatment systems include hothouse 70, incinerator 80, heat exchanger 100
With packed absorber 110；First heat source input port of hothouse 70 is connected with the tail gas delivery outlet of combustion chamber 60；Hothouse 70
Sludge input port is connected with the sludge delivery outlet of two level digester 40；The sludge delivery outlet of hothouse 70 and the sludge of incinerator 80
Input port connects；First high-temperature flue gas delivery outlet of incinerator 80 is connected with the Secondary Heat Source input port of hothouse 70；Incinerator
80 the second high-temperature flue gas delivery outlet is connected with the flue gas input port of heat exchanger 100；The flue gas delivery outlet of heat exchanger 100 with
The flue gas input port connection of packed absorber 110；3rd heat source of heat the ventilation delivery outlet and hothouse 70 of heat exchanger 100 is defeated
Entrance connects.
Further, primary treatment system further includes homogeneous pond 20, sludge delivery outlet and the level-one digester in homogeneous pond 20
30 sludge input port connection.Into the sludge in level-one digester 30 first pass around homogeneous pond 20 carry out it is quenched so that sludge
Quality it is more uniform, improve the effect of subsequent treatment.
Further, concentration basin 10 is further included, the sludge delivery outlet of concentration basin 10 is inputted with the sludge of level-one digester 30
Mouth connection.Whether concentration basin 10 determines with according to the actual conditions of sludge, if the moisture content of sludge is too high, is unsuitable for directly
Digestion fermentation is carried out, i.e., is first concentrated, reduces moisture percentage in sewage sludge；If the moisture content of sludge is not high, you can is directly entered and disappears
Change pond and carry out digestion fermentation.
Further, primary treatment system further includes concentration basin 10 and homogeneous pond 20,10 sludge delivery outlet of concentration basin with
The sludge input port connection in matter pond 20, the sludge delivery outlet in homogeneous pond 20 are connected with the sludge input port of level-one digester 30.It is dense
Contracting pond 10 and homogeneous pond 20 can united application at the same time, alternatively, concentration basin 10 and homogeneous pond 20 can individually use therein one
It is a.
Further, haydite manufacture room 90, the first sludge delivery outlet and the haydite manufacture room 90 of incinerator 80 are further included
Sludge input port connects；Second sludge delivery outlet of incinerator 80 is in communication with the outside.Sludge after burning is by haydite manufacture room
90 are granulated, and produce haydite, haydite can be as the filler of packed absorber 110, and maximum resource utilization, reduces cost.
Further, level-one digester 30 and two level digester 40 are anaerobic digester.Level-one digester 30 and two level
Digester 40 is applied in combination, and improves anaerobic digestion performance.Anaerobic digestion has good degradation effect of organic compound, and can degrade dirt
The 40%-60% of organic matter in mud, the sludge stabilization after anaerobic digestion, volume are obviously reduced；Anaerobic digestion can kill cause of disease
Bacterium so that sewage sludge harmlessness.
The municipal sludge innocuity disposal system that the utility model embodiment is provided, including primary treatment system and follow-up
Processing system two large divisions, level-one digester 30 and two level digester 40 of the sludge Jing Guo primary treatment system, produce substantial amounts of
Biogas, biogas can be as the heat sources of hothouse 70, and biogas is also output to extraneous for the standby use of system peripheral.The biogas of generation is first
Leave concentratedly in storage room 50, it is necessary in use, the biogas in storage room 50 is transfused to combustion chamber 60, biogas combustion produces high
Warm tail gas, the interior sludge direct contact heat transfer with hothouse 70 of high-temperature tail gas input hothouse 70；Dried sludge enters
Burned in incinerator 80, the organic matter in sludge can almost decompose completely, and pathogen can completely be killed and can be with
Less sludge volume to greatest extent.It can produce a large amount of high-temperature flue gas in burning process, the high-temperature flue gas of generation is divided into two-way, and one
Road is transfused in hothouse 70 carries out heat exchange with the sludge in hothouse 70, and another part high-temperature flue gas is inhaled by filler
Tower 110 is received, absorbs the SO in it2Deng sour gas and NOxDeng being discharged into the external world after alkaline gas.If high-temperature flue gas is direct
It is input to packed absorber 110, it is possible to cause absorbing liquid to be seethed with excitement, go bad after security incident, or absorbing liquid heating occurs,
Assimilation effect be deteriorated situations such as, therefore high-temperature flue gas enter packed absorber 110 before, first pass around heat exchanger 100, high temperature cigarette
With air heat exchange occurs in heat exchanger 100 for gas, and high-temperature flue-gas is inputted to packed absorber 110 again after reducing；And
Hothouse 70 is input to from the high temperature air (heat ventilation) of the processing of heat exchanger 100, the drying for sludge.
Municipal sludge innocuity disposal system provided by the utility model, simple in structure, after sludge treatment, pathogen is killed
Rate of going out is high, and stability is good, and biogas can be produced in processing procedure, and biogas is used or is used for for system self-operating as the energy
System peripheral is standby, while the high-temperature flue gas that sludge incineration produces also is re-used by system, is reduced operating cost, is met green
The demand of development.
The above embodiment is only the preferred embodiment of the utility model, it is impossible to is protected with this to limit the utility model
Scope, the change of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacing belongs to
In the utility model scope claimed.
Claims (6)
- A kind of 1. municipal sludge innocuity disposal system, it is characterised in that：Including primary treatment system and aftertreatment systems；The primary treatment system includes sequentially connected level-one digester, two level digester, storage room and combustion chamber；Described one The biogas delivery outlet of level digester and the two level digester is connected with the biogas input port of the storage room, the storage room Biogas delivery outlet be connected with the biogas input port of the combustion chamber；The aftertreatment systems include hothouse, incinerator, heat exchanger and packed absorber；First heat of the hothouse Source input port is connected with the tail gas delivery outlet of the combustion chamber；The sludge input port of the hothouse and the two level digester Sludge delivery outlet connects；The sludge delivery outlet of the hothouse is connected with the sludge input port of the incinerator；The incinerator The first high-temperature flue gas delivery outlet be connected with the Secondary Heat Source input port of the hothouse；Second high-temperature flue gas of the incinerator Delivery outlet is connected with the flue gas input port of the heat exchanger；The flue gas delivery outlet of the heat exchanger and the packed absorber Flue gas input port connection；The heat ventilation delivery outlet of the heat exchanger is connected with the 3rd heat source input port of the hothouse.
- 2. municipal sludge innocuity disposal system as claimed in claim 1, it is characterised in that：The primary treatment system is also wrapped Homogeneous pond is included, the sludge delivery outlet in the homogeneous pond is connected with the sludge input port of the level-one digester.
- 3. municipal sludge innocuity disposal system as claimed in claim 1, it is characterised in that：Concentration basin is further included, it is described dense The sludge delivery outlet in contracting pond is connected with the sludge input port of the level-one digester.
- 4. municipal sludge innocuity disposal system as claimed in claim 1, it is characterised in that：The primary treatment system is also wrapped Concentration basin and homogeneous pond are included, the concentration basin sludge delivery outlet is connected with the sludge input port in the homogeneous pond, the homogeneous pond Sludge delivery outlet be connected with the sludge input port of the level-one digester.
- 5. municipal sludge innocuity disposal system as claimed in claim 1, it is characterised in that：Further include haydite manufacture room, institute The the first sludge delivery outlet for stating incinerator is connected with the sludge input port of haydite manufacture room；Second sludge of the incinerator Delivery outlet is in communication with the outside.
- 6. such as claim 1-5 any one of them municipal sludge innocuity disposal systems, it is characterised in that：The level-one digestion Pond and the two level digester are anaerobic digester.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721026877.3U CN207330679U (en) | 2017-08-16 | 2017-08-16 | A kind of municipal sludge innocuity disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721026877.3U CN207330679U (en) | 2017-08-16 | 2017-08-16 | A kind of municipal sludge innocuity disposal system |
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| Publication Number | Publication Date |
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| CN207330679U true CN207330679U (en) | 2018-05-08 |
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| CN201721026877.3U Active CN207330679U (en) | 2017-08-16 | 2017-08-16 | A kind of municipal sludge innocuity disposal system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109704523A (en) * | 2019-02-25 | 2019-05-03 | 中机眉山再生能源有限公司 | Energy conservation and environmental protection sewage water treatment method in a kind of electricity generation system |
| CN113292213A (en) * | 2021-04-30 | 2021-08-24 | 西安交通大学 | Sludge direct drying and incineration integrated system and working method thereof |
-
2017
- 2017-08-16 CN CN201721026877.3U patent/CN207330679U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109704523A (en) * | 2019-02-25 | 2019-05-03 | 中机眉山再生能源有限公司 | Energy conservation and environmental protection sewage water treatment method in a kind of electricity generation system |
| CN113292213A (en) * | 2021-04-30 | 2021-08-24 | 西安交通大学 | Sludge direct drying and incineration integrated system and working method thereof |
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Address after: 510000 A318 (office use only) Patentee after: Qiaoyin City Management Co.,Ltd. Address before: 510999 Self-compiled A318, No. 23 Kaiyuan Road, Conghua Street, Guangzhou City, Guangdong Province Patentee before: QIAOYIN ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |