CN203284299U - Pyrolysis device of municipal sludge - Google Patents
Pyrolysis device of municipal sludge Download PDFInfo
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- CN203284299U CN203284299U CN2013201974948U CN201320197494U CN203284299U CN 203284299 U CN203284299 U CN 203284299U CN 2013201974948 U CN2013201974948 U CN 2013201974948U CN 201320197494 U CN201320197494 U CN 201320197494U CN 203284299 U CN203284299 U CN 203284299U
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- pyrolysis
- pyrolysis oven
- condenser
- separator
- gas outlet
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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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
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- Treatment Of Sludge (AREA)
Abstract
A pyrolysis device of municipal sludge belongs to the solid waste disposal technology. According to the utility model, a pyrolyzing furnace feeding port is connected with a spiral feeder; a pyrolytic carbon discharging port is formed in the bottom; the upper part is connected with a separator; a material dropping port of the separator is connected with a liquid storage box; the separator is connected with one condenser; condensers are connected with liquid storage boxes; an noncondensing gas outlet of one condenser is connected with an pyrolyzing furnace air inlet; a pyrolyzing furnace material returning pipe is connected with a burner; a pyrolyzing furnace exhaust gas outlet is connected with a spray tower, a de-fog device, and an activated carbon adsorption bed. The device has the advantages that the sludge is heated under the condition of anaerobic to allow organic matters in the sludge to be cracked by heating and decomposited by thermochemistry, and restrain the producing of noxious gases of dioxin and the like; pyrolysis gases and pyrolysis liquid are used as energy supplies of the pyrolysis per se to produce cheap pyrolytic carbon used as adsorbent of the waste water and waste gas treatment, so that extra energy is not required to be consumed or lower energy is required, and meanwhile, raw materials are provided for the waste water and flue gas treatment.
Description
Technical field
The utility model belongs to the solid waste resource recovery treatment technology, particularly a kind of municipal sludge pyrolysis installation.
Background technology
Along with the quickening of urbanization process, sewage load significantly promotes, the byproduct of sewage disposal---and-municipal sludge output also sharply increases.End built more than 2800 of the sewage works that establish in the end of the year 2010, the town sewage treatment capacity has reached more than 300 hundred million m
3, process waste water and the sludge quantity that produces reaches 3,000 ten thousand tons of left and right.Along with the Fast Construction of sewage work and the raising of sewage disposal emission standard, amount of sludge also can sharply increase, and during preliminary reckoning " 12 ", national dewatered sludge output is 1,200 ten thousand tons of left and right, wet 6,000 ten thousand tons of left and right of mud (80% water ratio).And for a long time, China is always due to the thought and knowledge of " the light mud of heavy water ", and the treatment technology of mud is relatively backward, is mainly take landfill, farmland utilization as main, and 2010 years Sludge landfills account for 62.4%, farmland utilization 10.6%
, in municipal sludge, pollutent easily pollutes soil and groundwater, and the CH of discharging
4Environment is produced serious Greenhouse effect, and such treatment process is greatly limited, and has also caused the very large wasting of resources.A kind of processing mode that sludge incineration is now abroad approved, but, along with raising and the burning of environmental protection standard easily produces the toxic and harmfuls such as dioxins materials, also be subject to people's query.
The utility model content
The purpose of this utility model is to overcome above-mentioned defect, a kind of municipal sludge pyrolysis installation is provided, it is under the envrionment conditions of anaerobic, mud to be heated, make the organism in mud carry out thermo-cracking and Thermochemical Decomposition reaction, Heat of Formation is vented one's spleen, pyrolysis liquid and pyrolytic carbon, suppresses the generation of the obnoxious flavoures such as dioxins materials; Pyrolysis gas and pyrolysis liquid, as the power supply of pyrolysis itself, generate the sorbent material of cheap pyrolytic carbon as sewage, off gas treatment, thereby reach sludge treatment, namely need not consume additional energy source or the less energy, are also that sewage and flue gas processing are supplied raw materials simultaneously.
The purpose of this utility model is achieved through the following technical solutions: a kind of municipal sludge pyrolysis installation is characterized in that: it comprises screw feeder, pyrolysis oven, separator, condenser, liquid-storing box, spray column, takes off mist device and activated carbon adsorption bed;
Pyrolysis oven is provided with opening for feed, and opening for feed is connected with screw feeder; The bottom of pyrolysis oven is provided with the RESEARCH OF PYROCARBON discharge gate; The top of pyrolysis oven is connected with separator, and the bottom of separator is provided with blanking port, and blanking port is connected with liquid-storing box; The top of separator connects condenser by pipeline, and the bottom of condenser connects liquid-storing box, and condenser is provided with noncondensing gas outlet, with the pyrolysis oven blast inlet, is connected; The top of pyrolysis oven is provided with the returning charge pipeline, and the returning charge pipeline is connected with the burner of pyrolysis oven; The top of pyrolysis oven is provided with exhanst gas outlet, and exhanst gas outlet is connected with spray column, spray column with take off the mist device and be connected, take off the mist device and be connected with activated carbon adsorption bed.
Described condenser is interconnective condensed in two stages device.
Described pyrolysis oven is the duct type pyrolysis oven.
On the noncondensing gas outlet of described condenser and the connecting pipeline of pyrolysis oven blast inlet, under meter, blower fan are installed successively, on the connecting pipeline between under meter and blower fan, thief hole are set.
On the returning charge pipeline of described pyrolysis oven, valve is set.
Advantage of the present utility model and beneficial effect are:
1, under the envrionment conditions of anaerobic, mud is heated, make organism in mud carry out thermo-cracking and Thermochemical Decomposition reaction, Heat of Formation is vented one's spleen, pyrolysis liquid and pyrolytic carbon, suppresses the generation of the obnoxious flavoures such as dioxins materials;
2, pyrolysis gas and pyrolysis liquid are as the power supply of pyrolysis itself, generate the sorbent material of cheap pyrolytic carbon as sewage, off gas treatment, namely need not consume additional energy source or the less energy thereby reach sludge treatment, be also that sewage and flue gas processing are supplied raw materials simultaneously.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Wherein: 1-screw feeder, 2-pyrolysis oven, 3-separator, 4-condenser, the 5-liquid-storing box, 6-spray column, 7-take off the mist device, the 8-activated carbon adsorption bed, 9-returning charge pipeline, the noncondensing gas outlet of 10-, 11-RESEARCH OF PYROCARBON discharge gate, 12-exhanst gas outlet, the 13-chimney, 14-under meter, 15-blower fan, the 16-thief hole, 17-valve, 18-opening for feed, the 19-blanking port, 20-blast inlet, 21-burner.
Embodiment
Embodiment: as shown in the figure, a kind of municipal sludge pyrolysis installation, it comprises screw feeder 1, pyrolysis oven 2, separator 3, condenser 4, liquid-storing box 5, spray column 6, takes off mist device 7 and activated carbon adsorption bed 8;
The pyrolysis oven that this device is selected is the duct type pyrolysis oven, in a side of pyrolysis oven, is provided with opening for feed 18, and opening for feed 18 is connected with screw feeder 1; The bottom of pyrolysis oven 2 is provided with RESEARCH OF PYROCARBON discharge gate 11; The top of pyrolysis oven 2 is connected with separator 3, and the bottom of separator 3 is provided with blanking port 19, and blanking port 19 is connected with liquid-storing box 5; The top of separator 3 connects condensed in two stages device 4 by pipeline, the bottom of condenser 4 connects liquid-storing box 5, condenser 4 is provided with noncondensing gas outlet 10, be connected with pyrolysis oven 2 blast inlets 20, on the noncondensing gas outlet 10 of condenser 4 and the connecting pipeline of pyrolysis oven 2 blast inlets 20, under meter 14, blower fan 15 are installed successively, on the connecting pipeline of 15 of under meter 14 and blower fans, thief hole 16 are set; The top of pyrolysis oven 2 is provided with returning charge pipeline 9, and returning charge pipeline 9 is connected with the burner 21 of pyrolysis oven 2, and valve 17 is set on returning charge pipeline 9; The top of pyrolysis oven 2 is provided with exhanst gas outlet 12, and exhanst gas outlet 12 is connected with spray column 6, spray column 6 with take off mist device 7 and be connected, take off mist device 7 and be connected with activated carbon adsorption bed 8, activated carbon adsorption bed 8 connects chimneys 13.
Principle of work:
At first heat pyrolysis oven to certain temperature, even continuous charging then, pyrolysis time 30-40 minute, 450 ℃-500 ℃ of pyrolysis final temperatures, the pyrolysis oil that the dewatered sludge pyrolysis produces and pyrolysis gas be the energy as a supplement, turns back to pyrolysis oven; The pyrolytic carbon that the separator capture falls turns back to pyrolysis oven and circulates, RESEARCH OF PYROCARBON is through repeatedly becoming gac after circulation, enter condenser with pyrolysis gas, the condenser liquid-storing box reclaims bio oil, discharge noncondensing gas and send into pyrolysis oven by induced draft fan energy is provided, the partial thermal decomposition carbon that turns back to pyrolysis oven is discharged through the RESEARCH OF PYROCARBON discharge gate; By the adsorption bed that alkali formula spray column and sludge carbon build, flue gas is processed.
Claims (5)
1. municipal sludge pyrolysis installation, it is characterized in that: it comprises screw feeder, pyrolysis oven, separator, condenser, liquid-storing box, spray column, takes off mist device and activated carbon adsorption bed;
Pyrolysis oven is provided with opening for feed, and opening for feed is connected with screw feeder; The bottom of pyrolysis oven is provided with the RESEARCH OF PYROCARBON discharge gate; The top of pyrolysis oven is connected with separator, and the bottom of separator is provided with blanking port, and blanking port is connected with liquid-storing box; The top of separator connects condenser by pipeline, and the bottom of condenser connects liquid-storing box, and condenser is provided with noncondensing gas outlet, with the pyrolysis oven blast inlet, is connected; The top of pyrolysis oven is provided with the returning charge pipeline, and the returning charge pipeline is connected with the burner of pyrolysis oven; The top of pyrolysis oven is provided with exhanst gas outlet, and exhanst gas outlet is connected with spray column, spray column with take off the mist device and be connected, take off the mist device and be connected with activated carbon adsorption bed.
2. a kind of municipal sludge pyrolysis system as claimed in claim 1, it is characterized in that: described condenser is interconnective condensed in two stages device.
3. a kind of municipal sludge pyrolysis system as claimed in claim 1, it is characterized in that: described pyrolysis oven is the duct type pyrolysis oven.
4. a kind of municipal sludge pyrolysis system as claimed in claim 1, it is characterized in that: on the noncondensing gas outlet of described condenser and the connecting pipeline of pyrolysis oven blast inlet, under meter, blower fan are installed successively, on the connecting pipeline between under meter and blower fan, thief hole are set.
5. a kind of municipal sludge pyrolysis system as claimed in claim 1, is characterized in that: on the returning charge pipeline of described pyrolysis oven, valve is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201974948U CN203284299U (en) | 2013-04-18 | 2013-04-18 | Pyrolysis device of municipal sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201974948U CN203284299U (en) | 2013-04-18 | 2013-04-18 | Pyrolysis device of municipal sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203284299U true CN203284299U (en) | 2013-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013201974948U Expired - Fee Related CN203284299U (en) | 2013-04-18 | 2013-04-18 | Pyrolysis device of municipal sludge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104650933A (en) * | 2015-01-13 | 2015-05-27 | 北京神雾环境能源科技集团股份有限公司 | Garbage pyrolysis sewage treatment system and garbage pyrolysis sewage treatment method |
| CN106145592A (en) * | 2016-08-08 | 2016-11-23 | 江苏中宜生态土研究院有限公司 | A kind of municipal sludge dry distilling carbonization test system |
-
2013
- 2013-04-18 CN CN2013201974948U patent/CN203284299U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104650933A (en) * | 2015-01-13 | 2015-05-27 | 北京神雾环境能源科技集团股份有限公司 | Garbage pyrolysis sewage treatment system and garbage pyrolysis sewage treatment method |
| CN106145592A (en) * | 2016-08-08 | 2016-11-23 | 江苏中宜生态土研究院有限公司 | A kind of municipal sludge dry distilling carbonization test system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131113 Termination date: 20190418 |