CN106556016A - Sludge carbonization plus incinerating method and system - Google Patents
Sludge carbonization plus incinerating method and system Download PDFInfo
- Publication number
- CN106556016A CN106556016A CN201611084182.0A CN201611084182A CN106556016A CN 106556016 A CN106556016 A CN 106556016A CN 201611084182 A CN201611084182 A CN 201611084182A CN 106556016 A CN106556016 A CN 106556016A
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- Prior art keywords
- sludge
- carbonization
- gas
- outlet
- flue
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/001—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for sludges or waste products from water treatment installations
-
- 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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/20—Dewatering by mechanical means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/40—Gasification
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2202/00—Combustion
- F23G2202/10—Combustion in two or more stages
-
- 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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The present invention discloses a kind of sludge carbonization plus incinerating method, and the method is comprised the following steps：(1) sludge is carbonized；(2) sludge of carbonization is burned；(3) flue gas after burning is cooled to the predetermined temperature of carbonization and for step (1)；The present invention utilizes the flue gas that sludge carbonization after-combustion is produced to provide thermal source for carbide furnace, while also realizing the minimizing of municipal sludge, innoxious and resource, makes sludge obtain effectively processing the utilization with resource.
Description
Technical field
The present invention relates to a kind of sludge carbonization plus incinerating method and system.
Background technology
With the development of the city, environmental protection is increasingly taken seriously.It is among the sludge that municipal sewage plant produces, dense
The various pollutants contracted in sewage, it is larger to surrounding environment influence.It is as the construction of municipal sewage plant is constantly accelerated, dirty
Water process scale constantly increases, and the sludge yield of sewage treatment plant increases substantially so that the process problem of sludge is more projected.
The pollutant concentrated in sludge mainly includes inorganic, organic pollution, containing substantial amounts of pathogen and a various huge sum of moneys
Category element, therefore, it is necessary to deal carefully with to sludge.Treatment of Sludge seeks to carry out depth harmless treatment to sludge, thorough
Bottom solves pollution of the sludge to environment and the harm to the mankind.The usual way of national overwhelming majority sewage treatment plant is, to dirt
Mud is unprocessed or after simple process, directly transports to soot and stacks with rubbish blended landfill, arbitrarily, does not much reach
Sanitary landfills standard；Long-term stacking, mosquitos and flies are grown, and crops and everyway will be caused serious by crushing injury
Secondary pollution, has run counter to the principle of environmental protection, let alone resource circulation utilization.
At present, domestic is substantially sludge condensation and dehydration technique, sludge is concentrated and dehydration after, typically can only be by sludge
Moisture content is down to 80% or so, and so high moisture content is unfavorable for subsequent transportation and the disposal of sludge.The side of sludge anhydration burning
Formula can realize sludge reduction and innoxious, make sludge obtain effectively processing and resource utilization, be domestic and international sludge
The developing direction of disposal.
The content of the invention
For the problems referred to above, the present invention provides a kind of minimizing for realizing municipal sludge, the sludge of innoxious and resource
Carbonization plus incinerating method and system.
To reach above-mentioned purpose, a kind of sludge carbonization of the invention plus incinerating method, the method is comprised the following steps：：
(1) sludge is carbonized；
(2) sludge of carbonization is burned；
(3) flue gas after burning is cooled to the predetermined temperature of carbonization and for step (1).
Preferably, further comprising the steps of after the step (1)：
(1) sludge after carbonization is sent into into dewatered sludge storehouse；
(2) waste gas that carbonization is produced is condensed；
(3) condensed waste gas is used for combustion-supporting.
Preferably, further comprising the steps of after the step (3)：
(1) flue gas being used for after step (1) is discharged and is condensed；
(2) condensed flue gas is carried out discharging after fume treatment.
Preferably, also including step before the step (1)：Sludge is carried out into press filtration, the wastewater collection in press filtration is processed.
To reach above-mentioned purpose, a kind of sludge carbonization of the invention plus CIU, including carbonizing plant and burner；
The carbonizing plant includes carbide furnace and the dewatered sludge storehouse for the heating sludge that is carbonized；
The burner includes the incinerator for sludge after burning carbonization；The incinerator includes being arranged on incinerator
Interior burner and the heat exchanger for heat is provided for carbonization；
Dewatered sludge storehouse entrance is connected with the carbonization outlet of still, and outlet and the incinerator in the dewatered sludge storehouse enter
Mouth connection；The flue gas gas outlet of the burner is connected with the entrance of the heat exchanger.
Preferably, also including mechanism filter-pressing device and the purifier processed to sludge；
The mechanism filter-pressing device includes mechanical filter press and the press filtration waste water tank being detachably connected on mechanical filter press；
The purifier includes the cigarette of the second condenser, flue-gas treater and flue-gas treater gas outlet connection
Chimney and it is fixedly connected on the air-introduced machine of the chimney entrance；The outlet of the flue-gas treater entrance and the second condenser connects
Connect；Second condenser is also associated with the second condensation waste water tank；The entrance of second condenser is gone out with the heat exchanger
Mouth connection.
Preferably, the carbonizing plant also includes the first condenser of entrance and the carbide furnace outlet, described the
One condensator outlet is connected with the burner inlet；
The burner outlet and the flue-gas treater slag notch are respectively arranged with lime-ash transport vehicle；
The burner also includes being arranged on incinerator side for the air blast to the combustor blast.
Preferably, the heat exchange storehouse outlet is provided with what is be sequentially connected electrically with the second condenser inlet junction
Temp.-control valve, the temperature sensor for detecting flue-gas temperature and the controller for control valve switch.
Thermal source major part needed for municipal sludge carbonization of the present invention is dried is brought by own combustion flue gas, saves fuel；Burn
After the purified device of flue gas that stove is produced is processed, qualified discharge；In system flow, the waste water of generation accesses Sewage Plant and processes, ash
Slag is transported outward, properly innoxious landfill disposal, basic non-secondary pollution；Condenser adopts the indirect type of cooling, and cooling water is without the need for place
Reason, reusable edible reduce water consumption.Be carbonized dried dewatered sludge and carbonization furnace exhaust, through the burning of incinerator, obtains
Innoxious, minimizing, disposal of resources.
Description of the drawings
Fig. 1 is the sludge carbonization of embodiment of the present invention 1-2 plus the overall flow schematic diagram of incinerating method.
Specific embodiment
With reference to Figure of description, the present invention will be further described.
Embodiment 1
As shown in figure 1, a kind of sludge carbonization of the present embodiment adds incinerating method, the method to comprise the following steps：
(1) sludge is carbonized；
(2) sludge of carbonization is burned；
(3) flue gas after burning is cooled to the predetermined temperature of carbonization and for step (1).
It is further comprising the steps of after the step (1)：
(1) sludge after carbonization is sent into into dewatered sludge storehouse；
(2) waste gas that carbonization is produced is condensed；
(3) condensed waste gas is used for combustion-supporting.
It is further comprising the steps of after the step (3)：
(1) flue gas being used for after step (1) is discharged and is condensed；
(2) condensed flue gas is carried out discharging after fume treatment.
Also include step before the step (1)：Sludge is carried out into press filtration, the wastewater collection in press filtration is processed.
Comprise the following steps that：The primary sludge of moisture content 90% is first sent into mechanical filter press 1 carries out press filtration.Press filtration waste water
Store into press filtration waste water tank 2, transfer Sewage Plant process.The sludge of moisture content 80% is obtained after press filtration.The sludge sends into carbonization
Stove 3 carries out indirectly heat carbonization.The dewatered sludge of moisture content 30% is obtained after carbonization.Dewatered sludge is sent into dewatered sludge storehouse 6 and is stored for future use.
The waste gas that sludge is discharged in carbide furnace 3 is cooled down indirectly with cooling water in accessing condenser 4.Water vapor condensation in the waste gas
The waste water of generation transfers Sewage Plant process by condensing after waste water tank 5 collects, and condensed waste gas sends into the burner of incinerator 7
It is interior combustion-supporting.The sludge stored in dewatered sludge storehouse 6 is also fed into burning in the burner of incinerator 7, while from air blast 9 to burner
Air-breathing is blasted inside.The waste gas that dewatered sludge and carbide furnace 3 are discharged after burning in incinerator 7, received by automobile by the lime-ash of generation
Collection outward transport, innoxious landfill；The flue gas of about 900 DEG C of combustion process generation, after mixing proper amount of normal-temperature cold wind, temperature drops to 500
DEG C, then pass to the heat exchange storehouse in carbide furnace 3, the wet mud of indirectly heat moisture content 80%, when the temperature sensor
When detection flue-gas temperature is 200 DEG C, the temperature sensor sends a signal to the controller, and the controller controls the temperature
Control valve is opened, and then flue gas enters the second condenser 12 from heat exchange storehouse.Flue gas is condensed in the second condenser 12, is produced
Condensation waste water access second condense waste water tank 13, transfer Sewage Plant process.Condensed flue gas accesses flue-gas treater 8 and processes
Process.Process the lime-ash for producing to be transported outward by automobile, innoxious landfill.Flue gas after process is reached by 10 suction chimney 11 of air-introduced machine
Mark is discharged in air.
After the purified device of flue gas that the present embodiment incinerator is produced is processed, qualified discharge；In system flow, generation it is useless
Water accesses Sewage Plant and processes, the lime-ash outward transport that dewatered sludge is produced after burning, properly innoxious landfill disposal, substantially without secondary dirt
Dye；Condenser adopts the indirect type of cooling, and without the need for processing, reusable edible reduces water consumption to cooling water；Carbonization is dried dry
The waste gas that sludge and carbide furnace are discharged, through the burning of incinerator, obtains innoxious, minimizing, disposal of resources.
Embodiment 2
As shown in figure 1, a kind of sludge carbonization of the present embodiment plus CIU, including carbonizing plant and burner；
The carbonizing plant includes carbide furnace 3 and the dewatered sludge storehouse 6 for the heating sludge that is carbonized；
The burner includes the incinerator 7 for sludge after burning carbonization；The incinerator 7 includes being arranged on burning
Burner in stove and the heat exchanger for heat is provided for carbonization；
6 entrance of dewatered sludge storehouse is connected with the outlet of the carbide furnace 3, outlet and the burning in the dewatered sludge storehouse 6
7 entrance of stove connects；The flue gas gas outlet of the burner is connected with the entrance of the heat exchanger.
Also include mechanism filter-pressing device and the purifier processed to sludge；
The mechanism filter-pressing device includes mechanical filter press 1 and the press filtration waste water tank being detachably connected on mechanical filter press
2；
The purifier include the second condenser 12, flue-gas treater 8, and 8 gas outlet of the flue-gas treater connection
Chimney 11, and be fixedly connected on the air-introduced machine 10 of 11 entrance of the chimney；8 entrance of the flue-gas treater and the second condensation
The outlet connection of device 12；Second condenser 12 is also associated with the second condensation waste water tank 13；Second condenser 12 enters
Mouth is connected with the heat exchanger outlet.
The carbonizing plant also includes the first condenser 4 of entrance and 3 outlet of the carbide furnace, first condensation
Device 4 is exported and is connected with the burner inlet；First condenser is also connected to the first condensation waste water tank 5 in succession；
The burner outlet and 8 slag notch of the flue-gas treater are respectively arranged with lime-ash transport vehicle；
The burner also includes being arranged on 7 side of incinerator for the air blast 9 to the combustor blast.
The heat exchanger outlet is provided with the temperature-sensing valve being sequentially connected electrically with 12 inlet connection of the second condenser
Door, the temperature sensor for detecting flue-gas temperature and the controller for control valve switch；
First condenser 4 all adopts the indirect type of cooling, cooling water circulation to utilize with second condenser 12.
Concrete steps：The primary sludge of moisture content 90% is first sent into mechanical filter press 1 carries out press filtration.Press filtration waste water is entered
Press filtration waste water tank 2 is stored, and transfers Sewage Plant process.The sludge of moisture content 80% is obtained after press filtration.The sludge is sent into carbide furnace 3 and is entered
Row indirectly heat is carbonized.The dewatered sludge of moisture content 30% is obtained after carbonization.Dewatered sludge is sent into dewatered sludge storehouse 6 and is stored for future use.Sludge
The waste gas discharged in carbide furnace 3 is cooled down indirectly with cooling water in accessing the first condenser 4.Water vapor condensation in the waste gas
After the waste water of generation is collected by the first condensation waste water tank 5, Sewage Plant process is transferred, condensed waste gas sends into the combustion of incinerator 7
It is combustion-supporting in burner.The sludge stored in dewatered sludge storehouse 6 is also fed into burning in the burner of incinerator 7, while from air blast 9 to combustion
Air-breathing is blasted in burner., after burning in incinerator 7, the lime-ash of generation is by vapour for the waste gas that dewatered sludge and carbide furnace 3 are discharged
Car collects outward transport, innoxious landfill；The flue gas of about 900 DEG C of combustion process generation, mixes proper amount of normal-temperature cold wind by air blast 9
Afterwards, temperature drops to 500 DEG C, then passes to the heat exchanger in carbide furnace 3, and the wet mud of indirectly heat moisture content 80% works as institute
State temperature sensor detection flue-gas temperature be 200 DEG C when, the temperature sensor sends a signal to the controller, the control
Device controls the temp.-control valve and opens, and then flue gas enters the second condenser 12 from heat exchanger.Flue gas is in the second condenser 12
Middle condensation, the condensation waste water of generation access second and condense waste water tank 13, transfer Sewage Plant process.Condensed flue gas accesses flue gas
8 process of processor is processed.Process the lime-ash for producing to be transported outward by automobile, innoxious landfill.Flue gas after process is taken out by air-introduced machine 10
Enter chimney 11, qualified discharge is in air.
The present embodiment apparatus structure is simple, thermal source of the flue gas that after-combustion that municipal sludge is carbonized is produced as carbide furnace,
Heat-source Cycles are utilized.After the purified device of flue gas that incinerator is produced is processed, qualified discharge.In system flow, the waste water of generation
Access Sewage Plant to process, the lime-ash outward transport that dewatered sludge is produced after burning, properly innoxious landfill disposal, basic non-secondary pollution.
Condenser adopts the indirect type of cooling, and without the need for processing, reusable edible reduces water consumption to cooling water.Be carbonized dried dry dirt
The waste gas that mud and carbide furnace are discharged, through the burning of incinerator, obtains innoxious, minimizing, at resource.
More than, only presently preferred embodiments of the present invention, but protection scope of the present invention is not limited thereto, any to be familiar with sheet
Those skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in should all be covered
Within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should be defined by claim is defined.
Claims (8)
1. a kind of sludge carbonization adds incinerating method, it is characterised in that：The method is comprised the following steps：
(1) sludge is carbonized；
(2) sludge of carbonization is burned；
(3) flue gas after burning is cooled to the predetermined temperature of carbonization and for step (1).
2. a kind of sludge carbonization adds incinerating method as claimed in claim 1, it is characterised in that：Also include after the step (1)
Following steps：
(1) sludge after carbonization is sent into into dewatered sludge storehouse；
(2) waste gas that carbonization is produced is condensed；
(3) condensed waste gas is used for combustion-supporting.
3. a kind of sludge carbonization adds incinerating method as claimed in claim 1, it is characterised in that：Also include after the step (3)
Following steps：
(1) flue gas being used for after step (1) is discharged and is condensed；
(2) condensed flue gas is carried out discharging after fume treatment.
4. a kind of sludge carbonization adds incinerating method as claimed in claim 1, it is characterised in that：Also include before the step (1)
Step：Sludge is carried out into press filtration, the wastewater collection in press filtration is processed.
5. a kind of sludge carbonization adds CIU, it is characterised in that：Including carbonizing plant and burner；
The carbonizing plant includes carbide furnace and the dewatered sludge storehouse for the heating sludge that is carbonized；
The burner includes the incinerator for sludge after burning carbonization；The incinerator includes being arranged in incinerator
Burner and the heat exchanger for heat is provided for carbonization；
Dewatered sludge storehouse entrance is connected with the carbonization outlet of still, and the outlet in the dewatered sludge storehouse is connected with the incinerator entrance
Connect；The flue gas gas outlet of the burner is connected with the entrance of the heat exchanger.
6. a kind of sludge carbonization adds CIU as claimed in claim 5, it is characterised in that：Also include what sludge was processed
Mechanism filter-pressing device and purifier；
The mechanism filter-pressing device includes mechanical filter press and the press filtration waste water tank being detachably connected on mechanical filter press；
The purifier include the second condenser, flue-gas treater and the flue-gas treater gas outlet connection chimney, with
And it is fixedly connected on the air-introduced machine of the chimney entrance；The flue-gas treater entrance is connected with the outlet of the second condenser；Institute
State the second condenser and be also associated with the second condensation waste water tank；The entrance of second condenser is connected with the heat exchanger outlet
Connect.
7. a kind of sludge carbonization adds CIU as claimed in claim 5, it is characterised in that：The carbonizing plant also includes entrance
With the first condenser of the carbide furnace outlet, first condensator outlet connected with the burner inlet；
The burner outlet and the flue-gas treater slag notch are respectively arranged with lime-ash transport vehicle；
The burner also includes being arranged on incinerator side for the air blast to the combustor blast.
8. a kind of sludge carbonization adds CIU as claimed in claim 6, it is characterised in that：The heat exchange storehouse outlet and institute
State the second condenser inlet junction be provided be sequentially connected electrically temp.-control valve, the temperature sensor for detecting flue-gas temperature
And for the controller of control valve switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611084182.0A CN106556016A (en) | 2016-11-30 | 2016-11-30 | Sludge carbonization plus incinerating method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611084182.0A CN106556016A (en) | 2016-11-30 | 2016-11-30 | Sludge carbonization plus incinerating method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106556016A true CN106556016A (en) | 2017-04-05 |
Family
ID=58445420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611084182.0A Pending CN106556016A (en) | 2016-11-30 | 2016-11-30 | Sludge carbonization plus incinerating method and system |
Country Status (1)
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| CN (1) | CN106556016A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112520968A (en) * | 2021-02-08 | 2021-03-19 | 湖南爵铭环保有限公司 | Sludge carbonization method |
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| CN104211274A (en) * | 2014-09-28 | 2014-12-17 | 天津清华德人环境工程有限公司 | Sludge reduction and recycling treatment device and sludge treatment method |
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| CN206207439U (en) * | 2016-11-30 | 2017-05-31 | 中冶华天南京工程技术有限公司 | Sludge carbonization plus CIU |
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2016
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2005319374A (en) * | 2004-05-07 | 2005-11-17 | Mitsubishi Heavy Ind Ltd | Method and apparatus for converting sludge into fuel |
| CN202297333U (en) * | 2011-08-18 | 2012-07-04 | 江苏金山环保科技股份有限公司 | Dehydration drying low-temperature pyrolysis sludge treatment device |
| CN103693839A (en) * | 2014-01-07 | 2014-04-02 | 北京神雾环境能源科技集团股份有限公司 | Sludge treatment method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112520968A (en) * | 2021-02-08 | 2021-03-19 | 湖南爵铭环保有限公司 | Sludge carbonization method |
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Application publication date: 20170405 |