CN1743415A - Apparatus for preparing liquid fuel by catalytic pyrolysis of sewage and sludge and its use method - Google Patents
Apparatus for preparing liquid fuel by catalytic pyrolysis of sewage and sludge and its use method Download PDFInfo
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- CN1743415A CN1743415A CNA2005100447514A CN200510044751A CN1743415A CN 1743415 A CN1743415 A CN 1743415A CN A2005100447514 A CNA2005100447514 A CN A2005100447514A CN 200510044751 A CN200510044751 A CN 200510044751A CN 1743415 A CN1743415 A CN 1743415A
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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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Abstract
This invention discloses a device and its application method for processing liquid fuel by catalyzing and pyrolyzing sewage and sludge, in which, the device is composed of an N2 gas tank source, a heating oven, a temperature control instrument, a condenser, a liquid phase collection bottle, a buffer bottle, an absorption bottle, a gas bag and a raw material pyrolyzing reactor, the method includes putting a pyrolyzing reactor with oil sludge and catalysts in a heating oven, giving cooling water, turning on the supply and designing temperature controlling program to heat it to 500-600 deg.C with the temperature rising speed of 5-10deg.C/min and keeping 30-40min. the content of petrol reaches to 20%, diesel oil to 50%, the rest is heavy oil, the content of C64 component in the fuel gas reaches to 40%, mild hydrocarbon gas, liquid fuel oil and solid coke can be got from the pyrolyzed sludge.
Description
Technical field:
The present invention relates to a kind of technology of producing liquid fuel, fuel gas and carbon material by the sewage sludge pyrolysis, particularly relate to the technology of producing liquid fuel, fuel gas and carbon material by the oily sludge pyrolysis, transform to realize the resource utilization to sewage sludge, innoxious directed control.
Background technology:
Contain objectionable impuritiess such as heavy metal, organism in refinery oily sludge and the city sewage and sludge.If deal with improperly, certainly will cause lasting harm to environment.At present the treatment process of sewage sludge comprises: 1. burning method: burn back lime-ash volume and minimize, do not have the pollution problem of heavy metal ion, can produce two mouthfuls and dislike pollutents such as English but burn.This method is used more in American-European and Japan, the mud of Japan 61% adopts burning disposal.2. landfill method: the landfill expense is lower, but takies more soil, has secondary pollution etc., and China adopts this method mostly.3. composting process: heavy metal content is higher than soil mean value in the mud, can infect to the mankind by food chain, and this problem has caused the concern of European Union member countries such as German.4. pyrolysis method: primary study utilizes mud to produce liquid fuel, but few to the clean comprehensive utilizating research of mud.
Summary of the invention:
At the deficiencies in the prior art and defective, the objective of the invention is to provide a kind of device by preparing liquid fuel by catalytic pyrolysis of sewage and sludge, fuel gas and solid coke, and, realize that the complete resource of oily(waste)water mud is handled by regulating final Heating temperature, different temperature rise rate and adding catalyzer.
The objective of the invention is to be achieved through the following technical solutions: the sewage sludge pyrolysis is produced the device of liquid fuel mainly by nitrogengas cylinder (source), process furnace, temperature controller, condenser, the liquid phase receiving flask, surge flask, absorption bottle, airbag, compositions such as raw material pyrolysis reactor, the outlet that it is characterized in that nitrogengas cylinder is connected with the inlet of process furnace, the outlet of process furnace is connected with the inlet of condenser, the outlet of condenser is connected with the liquid phase receiving flask, be connected with surge flask behind the liquid phase receiving flask successively, absorption bottle and airbag, the thermopair of temperature controller is connected on the exit end of process furnace, and the raw material pyrolysis reactor is sent into process furnace after adding raw material.
The sewage sludge pyrolysis is produced liquid fuel and is realized as follows, takes by weighing the quality of raw material pyrolysis reactor, then the resistance to air loss of installation test device and inspection units.The pyrolysis reactor of placing a certain amount of oily sludge and catalyzer (nitrate of heavy metal) and raw material will be housed on the raw material pyrolysis reactor is put into process furnace, open water coolant, connect power supply, set temperature program, begin heating, temperature rise rate is 5～10 ℃/minute, stops in the temperature-rise period 30～40 minutes, is heated to 500～600 ℃.Sampling analysis at any time in pyrolytic process obtains the composition of product, chilled product.
Gasoline content reaches as high as 20% in the cracked oil that oily sludge makes after pyrolysis, diesel oil about 50%, and all the other are heavy oil; C in the fuel gas of pyrolysis gained
6+Components contents can be up to 40%.
Mud is the recyclable organism energy, the pyrolyzing sludge method can obtain gas (being mainly the low-carbon (LC) hydrocarbon gas), liquid fuel oil, the burnt three class materials of solid, wherein solid Jiao can further be processed as carbon material, thereby the complete resource that realizes oily(waste)water mud is handled.
Description of drawings:
Fig. 1 is for producing the structural representation of the device of liquid fuel according to sewage sludge pyrolysis proposed by the invention.
Among the figure: the 1-nitrogengas cylinder; The 2-process furnace; The 3-temperature controller; The 4-condenser; 5-liquid phase receiving flask; The 6-surge flask; 7, the 8-absorption bottle; The 9-airbag; 10-raw material pyrolysis reactor.
Embodiment:
Below in conjunction with accompanying drawing in detail and embodiment concrete structure of the present invention and preferred forms are described.
As shown in Figure 1, the sewage sludge pyrolysis proposed by the invention device of producing liquid fuel mainly comprises nitrogengas cylinder 1, process furnace 2, temperature controller 3, condenser 4, liquid phase receiving flask 5, surge flask 6, absorption bottle 7 and 8, airbag 9, raw material pyrolysis reactor 10.Nitrogengas cylinder 1 links to each other by the inlet of plastic coated wire with process furnace 2, the outlet of process furnace 2 links to each other with the inlet of condenser 4, the outlet of condenser 4 links to each other with the inlet of liquid phase receiving flask 5, the outlet of liquid phase receiving flask 5 links to each other with the inlet of surge flask 6, the outlet of surge flask 6 links to each other successively with absorption bottle 7,8, and the outlet of absorption bottle 8 links to each other with airbag 9.Two fire ends of temperature controller 3 are connected on the two ends of process furnace 2, and the thermopair of temperature controller 3 is connected on the exit end of process furnace 2.Claim earlier the quality of raw material pyrolysis reactor 10, placing a certain amount of oily sludge then on raw material pyrolysis reactor 10 weighs together, the reactor that fills oily sludge and heavy metal nitrate is put into process furnace 2, connect power supply, open the water coolant of condenser 4 simultaneously, set temperature program by temperature controller 3, begin heating.When temperature of reaction and reaction times reach reaction and require, can take a sample, and chilled product.After reaction finishes, cut off the power supply earlier and afterwards close water coolant.
In order to reach the best-of-breed technology effect, temperature of reaction should not be too high, and high temperature is unfavorable for the generation of gasoline in the cracked oil, diesel oil, and 500～600 ℃ is a proper temperature range; Temperature-rise period will have the residence time, preferably 30～40 minutes; It is high that the temperature rise rate of reaction process is wanted, and can be made as 5～10 ℃/minute, helps the generation of gasoline and diesel oil like this; Each components contents distributes in the pyrolysis gained fuel gas to adjust to add catalyzer in the raw material.
With pyrolysis 30g oily sludge is example, is made as 500 ℃ when reacting whole temperature, and temperature rise rate is controlled to be 5 ℃/minute, stops 40 minutes when being warming up to 400 ℃, and when the nitrate of adding heavy metal was made catalyzer, liquid yield was 59.5%, and the productive rate of oil is 6.64%; The productive rate of fuel gas is 24.0～31.8%.Each components contents distributes as follows in the cracked oil that reaction obtains: gasoline 20%; Diesel oil 52%; Heavy oil 28%.Each components contents distributes as follows in the fuel gas: C
6+44.61%; Methane 10.67%; Ethane 5.67%; Ethene 6.47%; Propane 6.03%; Propylene 11.50%.
The present invention compared with prior art has following advantage and usefulness: the first, and the sewage sludge pyrolysis obtains inflammable gas, oil product and carbon material simultaneously, has realized the resource utilization of oily sludge, the innoxious and purpose that subtracts appearance significantly; The second, pyrolysis method can be handled various sewage sludges, is not subjected to the influence of composition in the mud, and this also is that other method can not be compared.The 3rd, used catalyzer in the pyrolytic process, can directed productive rate and the composition thereof of controlling pyrolysis liquid fuel, fuel gas and solid coke.The 4th, change heating rate, outlet temperature and the residence time can be regulated the productive rate of purpose product inflammable gas, oil product and carbon material, can regulate the composition of inflammable gas, oil product simultaneously, the pore structure and the distribution thereof of regulation and control carbon material.
Claims (3)
1. the device of a preparing liquid fuel by catalytic pyrolysis of sewage and sludge, its device comprises nitrogengas cylinder (source), process furnace, temperature controller, condenser, the liquid phase receiving flask, surge flask, absorption bottle, airbag, the raw material pyrolysis reactor, it is characterized in that: the outlet of nitrogengas cylinder is connected with the inlet of process furnace, the outlet of process furnace is connected with the inlet of condenser, the outlet of condenser is connected with the liquid phase receiving flask, be connected with surge flask behind the liquid phase receiving flask successively, absorption bottle and airbag, the thermopair of temperature controller is connected on the exit end of process furnace, and the pyrolysis reactor that raw material is housed is contained in the process furnace.
2. the method for a preparing liquid fuel by catalytic pyrolysis of sewage and sludge, it is characterized in that: the pyrolysis reactor that a certain amount of oily sludge and catalyzer will be housed is put into process furnace, open water coolant, connecting power supply heats, temperature rise rate is 5～10 ℃/minute, stopped in the temperature-rise period 30～40 minutes, heating whole temperature is 500～600 ℃.
3. the method for preparing liquid fuel by catalytic pyrolysis of sewage and sludge as claimed in claim 2 is characterized in that said catalyzer is the nitrate of heavy metal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100447514A CN1743415A (en) | 2005-09-23 | 2005-09-23 | Apparatus for preparing liquid fuel by catalytic pyrolysis of sewage and sludge and its use method |
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| CNA2005100447514A CN1743415A (en) | 2005-09-23 | 2005-09-23 | Apparatus for preparing liquid fuel by catalytic pyrolysis of sewage and sludge and its use method |
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| CN1743415A true CN1743415A (en) | 2006-03-08 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102268274A (en) * | 2010-06-07 | 2011-12-07 | 华南再生资源（中山）有限公司 | Method and totally closed equipment system for converting municipal sludge into gas, liquid and solid fuels |
| CN101708938B (en) * | 2009-11-06 | 2012-06-27 | 杭鹏志 | Sludge or organic garbage high-low temperature coupling themolysis method |
| CN102936087A (en) * | 2012-11-06 | 2013-02-20 | 大连海事大学 | Method for preparing pyrolysis oil and synthesis gases by pyrolysis of sludge |
| CN101705105B (en) * | 2009-11-09 | 2013-11-27 | 中国人民大学 | Biomass liquified oil and preparation method thereof |
| CN104449789A (en) * | 2014-10-16 | 2015-03-25 | 西安石油大学 | Low-temperature catalytic pyrolysis method for oil-containing sludge |
| CN104646051A (en) * | 2013-11-22 | 2015-05-27 | 中国石油天然气股份有限公司 | Catalyst for pyrolysis process of oily sludge and preparation and application thereof |
| CN110982550A (en) * | 2019-12-10 | 2020-04-10 | 重庆工商大学 | Catalytic pyrolysis treatment method and test device for shale gas exploitation oil-based drilling cuttings |
-
2005
- 2005-09-23 CN CNA2005100447514A patent/CN1743415A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101708938B (en) * | 2009-11-06 | 2012-06-27 | 杭鹏志 | Sludge or organic garbage high-low temperature coupling themolysis method |
| CN101705105B (en) * | 2009-11-09 | 2013-11-27 | 中国人民大学 | Biomass liquified oil and preparation method thereof |
| CN102268274A (en) * | 2010-06-07 | 2011-12-07 | 华南再生资源（中山）有限公司 | Method and totally closed equipment system for converting municipal sludge into gas, liquid and solid fuels |
| CN102936087A (en) * | 2012-11-06 | 2013-02-20 | 大连海事大学 | Method for preparing pyrolysis oil and synthesis gases by pyrolysis of sludge |
| CN104646051A (en) * | 2013-11-22 | 2015-05-27 | 中国石油天然气股份有限公司 | Catalyst for pyrolysis process of oily sludge and preparation and application thereof |
| CN104449789A (en) * | 2014-10-16 | 2015-03-25 | 西安石油大学 | Low-temperature catalytic pyrolysis method for oil-containing sludge |
| CN104449789B (en) * | 2014-10-16 | 2015-09-16 | 西安石油大学 | A kind of oily sludge low-temperature catalysis thermal decomposition method |
| CN110982550A (en) * | 2019-12-10 | 2020-04-10 | 重庆工商大学 | Catalytic pyrolysis treatment method and test device for shale gas exploitation oil-based drilling cuttings |
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