CN1077479A - Method with making hydrocarbon oil from waste polyolefine plastics - Google Patents
Method with making hydrocarbon oil from waste polyolefine plastics Download PDFInfo
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- CN1077479A CN1077479A CN93104896A CN93104896A CN1077479A CN 1077479 A CN1077479 A CN 1077479A CN 93104896 A CN93104896 A CN 93104896A CN 93104896 A CN93104896 A CN 93104896A CN 1077479 A CN1077479 A CN 1077479A
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- plastics
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- hydrocarbon oil
- oil
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression ignition
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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
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
A kind of method with making hydrocarbon oil from waste polyolefine plastics mainly is y-type zeolite and the highly active Al (OH) that adopts repeatedly modification
3The catalyzer that is combined into is the steam state hydrocarbon ils with the polyolefin plastics of the direct catalyzed degradation liquid state of this catalyzer, enters secondary heat exchange separation system by the road, control differing temps scope, condensable diesel oil and the gasoline isolated.Present method changes the thermo-cracking of prior art and the two-step approach of catalytic cracking is that the liquid polyolefine of direct catalyzed degradation is the single stage method of steam state hydrocarbon ils, and the steam state hydrocarbon ils is divided into diesel oil and gasoline under condensation under the differing temps scope.
Description
The present invention is a waste plastics recovery method in the environmental science, and particularly waste polyolefine plastics reclaims the method for making hydrocarbon ils.
Along with the widespread use of polyolefin plastics, its turnout increases sharply in recent years, and its application mostly is disposable, and it is very high that daily life abandons in the refuse content, and plastics are very fast degraded unlike paper product, natural purification.Therefore, cause white pollution serious.Have its regenerated at present, but because of the reconstituted product poor performance, treatment capacity being little, is not developing direction yet.This just presses for high-caliber treatment technology a kind of science, rational.Catalyzed degradation is a kind of new technology of development in recent years, and U.S. Pat is spoken of the situation of this technology for No. 3956414, and it is paraffin and refinery coke that the product that this patented technology is made has considerable part.These two kinds of product application are worth not high; After this improved technology has U.S. Pat No. 4108730 on the basis of this technology, No. 4175211, US, No. 4118281, US, be to adopt heavy cycle oil that plastic waste is dissolved, and then carry out catalytic cracking and handle, its main drawback is to need a large amount of high boiling heavy oil, as thermal cycling oil, has increased the complicacy of technological process; U.S. Pat 4851601(1989) disclose a kind of novel method, waste or used plastics is pulverized, heated, fusion enters the heat scission reaction chamber, carry out thermo-cracking, make to transfer gaseous state to and enter catalytic reaction chamber, the zeolite molecular sieve zsm-5 with intermediate pore size under gaseous state is made catalyzer, carries out catalytic cracking, obtain lower boiling, low pour-test oil is condensed into liquid state, the various fractions of redistillation, but this method can not be handled the PVC plastics, otherwise can make catalyst deactivation; Also has technology similarly, as JP0386790(9186790), what JP0386791(9186791) mention also is earlier with the plastic waste fusion, and to make its cracking in the thermo-cracking jar be steam, cracking steam is sent into the HZSM5 catalyst bed, to carry out catalyzed conversion, then product is condensed into liquid state, be the raw material of producing gasoline.The characteristics of last two patents are the parts with intermediate product, be back in the hot melt stirred pot or be back in the thermo-cracking jar, to keep the balance of system, rest part is similar to U.S. Pat 4851601, the basic characteristics of above-mentioned three patents are earlier with the melts thermo-cracking, cracked steam is fed catalyst bed, under steam state, make its catalytic cracking, the product condensation is got off, the condensation product redistillation, obtain various cuts, thisly thermo-cracking and catalytic cracking are divided into technology that two steps carried out we are called two-step approach.The shortcoming of aforesaid method is that technical process is complicated, and final product will be condensed into liquid state, reheats distillation again, the energy consumption height.
The objective of the invention is at China's plastic prod universal day by day, white pollution is serious day by day, the reality of oil fuel shortage, and the weak point that has the Treatment of Waste Plastics technology at present both at home and abroad now, develop a kind of one-step catalytic degraded novel process, technical process is simplified, and can be made high-quality oil fuel.
The present invention adopts a kind of through the y-type zeolite that large pore is arranged of repeatedly modification and the Al(OH of bigger serface)
3The compounded catalyzer of powder, with this catalyzer in reactor, temperature be under 300 ℃～400 ℃ the condition directly catalyzed degradation fusion be the steam state hydrocarbon ils for liquid polyolefin plastics, enter secondary heat exchange separation system by the road, control differing temps scope in this system, condensation separation goes out diesel oil and gasoline, remaining a small amount of normal temperature is the low-molecular-weight hydrocarbon polymer of gasiform down, thereby changing the two-step process of the thermo-cracking of prior art and catalyzed degradation into a step carries out, this catalyzer has the higher active and long life-span, the product distribution of its catalyzed degradation concentrates on the light fraction below 350 ℃, this catalyzer is the special-purpose catalyst of catalyzed degradation polyolefin plastics, and its detailed content is open in the catalyst prod patent application that proposes simultaneously with the application.
Advantage of the present invention is:
(1) changing the thermo-cracking of prior art and the two-step approach of catalytic pyrolysis is the single stage method of direct catalyzed degradation, makes the main technique process simplification, saves the facility investment and the energy.
(2) simultaneously, generating product is the steam state hydrocarbon, and through secondary heat exchange separation system, condensation separation goes out diesel oil and gasoline at catalyzed degradation.Need earlier the condensation of steam state product not got off as existing technology, gasoline and diesel oil are produced in the reheat distillation, have simplified the technology in a back step and can save the energy.
(3) product that processes all is the lightweight fraction below 350 ℃, and the industry test yield is 85～87%, and wherein gasoline is 45～48%, steam state hydrocarbon 3～5% under the normal temperature, and all the other are diesel oil, gasoline octane rating reaches 80～85
#, being premium-type gasoline, diesel oil is No. zero, quality is also high, can make vehicle fuel.
Below in conjunction with process flow sheet, details are as follows to the present invention:
Fig. 1 is a process flow sheet of the present invention, numbers among the figure: 1 hopper, 2 feeding screws, 3 melt stills, 4 reactors, 5 first-class heat exchanger, 6 gas-liquid separators, 7 water coolers, 8 product jars, 9 secondary heat exchangers.
1, charging melt system, after the pulverizing of waste polyolefin plastic warp, rinsing, the drying, enter screw conveying feeding device 2 with preheating device from feed hopper 1, enter again crucible 3, temperature in the kettle is 200 ℃～250 ℃, keep this temperature, the air-isolation heating reduces melt viscosity, finish infall process, make the solid impurity sedimentation separation, in order to avoid enter reactor 4, affect the effect of catalyst.
2, catalytic reaction system, polyolefin fused solution after sedimentation, enter simultaneously reactor 4 is sprayed onto on the multilayer stationary catalyst bed from reactor top, middle part, bottom, fused mass is fully contacted with catalyst, take full advantage of the effect of catalyst and the activity of maintenance catalyst, the catalytic reaction temperature is 300 ℃～400 ℃, generates the steam state hydrocarbon ils through the catalyst degradation reaction.
3, secondary heat exchange piece-rate system, the steam state hydrocarbon enters native system by the road, at first enter first order heat exchanger 5, keep 150 ℃～200 ℃ in the device, high temperature steam state hydrocarbon is liquid diesel under this component condensation more than temperature, enters fuel and vapor separator 6 and cooler 7 products pot 8 of can packing into, enter secondary heat exchanger 9 at 150 ℃～200 ℃ steam state hydrocarbon under uncooled, keep 10 ℃～40 ℃ in the device, be higher than the gasoline fraction liquefaction of this temperature, enter oil-Vapour separator 6 and cooler 7, the products pot 8 of packing at last, the hydrocarbon ils that still is gaseous state under 10 ℃～40 ℃ are packed in the gas tank, can be used as the heating fuel of this equipment, but also tinning export trade.
Embodiment: the present invention is carried out pilot scale in certain factory, plastic waste is broken for fritter, clean, oven dry, enter feeding screw 2 by hopper 1, in this device, be preheating to about 180 ℃, deliver to melt still 3,200 ℃～250 ℃ of temperature in the kettle, with the polyolefin plastics fusion is liquid, and heat insulation air heating is convenient to the impurity sedimentation to reduce the viscosity of molten mass, the molten mass that sedimentation is good, through multipath (reactor on, in, the bottom) enter simultaneously and be equipped with in the several layers of fixed catalytic bed reactor, be sprayed on the catalyst layer, temperature of reaction remains on 300 ℃～400 ℃, generate the steam state hydrocarbon ils through catalyzed degradation, deliver to secondary heat exchange separation system through pipeline, first step heat exchange temperature is 150 ℃～200 ℃, diesel oil under the condensation, to the secondary heat exchanger temperature is 10 ℃～40 ℃, gasoline under the condensation, remaining a small amount of steam state hydrocarbon is about 3～5%, can be used as the fuel or the compressing and canning of native system.This pilot scale yield is 85～87%, and wherein gasoline is 45～47%, steam state hydrocarbon 3～5%, and all the other are diesel oil, the octane value of gasoline is 80～85
#
Claims (5)
1, a kind of method with making hydrocarbon oil from waste polyolefine plastics is characterized in that: adopt the y-type zeolite that large pore is arranged of repeatedly modification and the Al (OH) of bigger serface
3The compounded catalyzer of powder, in reactor, being melt into liquid polyolefin plastics with the direct catalyzed degradation of this catalyzer is the steam state hydrocarbon ils, temperature of reaction kettle keeps 300 ℃～400 ℃, and reaction product is the gaseous state hydrocarbon ils, advances secondary heat exchange separation system by the road, in this system, control differing temps scope, condensation separation goes out diesel oil and gasoline, and a small amount of hydrocarbon gas.
2, the method with making hydrocarbon oil from waste polyolefine plastics according to claim 1, it is characterized in that the described liquid polyolefin plastics that enters reactor be with through pulverizing, cleaning, exsiccant waste polyolefine plastics in feeding screw, preheating is conveyed in the melt still, the secluding air heating, temperature keeps 200 ℃～250 ℃, makes through standing sedimentation.
3, the method with making hydrocarbon oil from waste polyolefine plastics according to claim 1 is characterized in that described liquid polyolefin plastics is that upper, middle and lower portion by reactor enters reactor simultaneously, is sprayed on the multilayer stagnant catalyst bed equably.
4, the method with making hydrocarbon oil from waste polyolefine plastics according to claim 1 is characterized in that the described steam state hydrocarbon ils that produces at first enters first-class heat exchanger in reactor, and temperature keeps 150 ℃～200 ℃ in the device.
5, according to claim 1 and 4 described methods with making hydrocarbon oil from waste polyolefine plastics, it is characterized in that the described steam state hydrocarbon that comes out from first-class heat exchanger enters secondary heat exchanger, temperature keeps 10 ℃～40 ℃ in the device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93104896A CN1077479A (en) | 1993-05-12 | 1993-05-12 | Method with making hydrocarbon oil from waste polyolefine plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN93104896A CN1077479A (en) | 1993-05-12 | 1993-05-12 | Method with making hydrocarbon oil from waste polyolefine plastics |
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| Publication Number | Publication Date |
|---|---|
| CN1077479A true CN1077479A (en) | 1993-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN93104896A Pending CN1077479A (en) | 1993-05-12 | 1993-05-12 | Method with making hydrocarbon oil from waste polyolefine plastics |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997019146A1 (en) * | 1995-11-23 | 1997-05-29 | Yali Yang | Process and apparatus for treatment of waste plastic hydrocarbons |
| WO2002057391A1 (en) * | 2001-01-22 | 2002-07-25 | Chen, Yanping | Method and system of converting waste plastics into hydrocarbon oil |
| CN102585872A (en) * | 2011-11-30 | 2012-07-18 | Enfc株式公司 | Oil production system using waste material and catalyst thereof |
| CN102744101A (en) * | 2012-08-02 | 2012-10-24 | 新疆大学 | Catalyst used for preparing gasoline through splitting of waste plastic and preparation method and using method thereof |
| CN104610996A (en) * | 2015-01-30 | 2015-05-13 | 上海逸淳周实业有限公司 | Novel process for refining oil through continuous catalytic cracking and recovery utilization of waste plastics |
| CN106047395A (en) * | 2016-07-22 | 2016-10-26 | 南阳开源石油机械设备有限公司 | Equipment for turning waste plastics into oil and process flow of equipment |
| CN107201243A (en) * | 2016-03-18 | 2017-09-26 | 华云新能源科技（深圳）有限公司 | Cracking waste plastics oil refining process and equipment |
-
1993
- 1993-05-12 CN CN93104896A patent/CN1077479A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997019146A1 (en) * | 1995-11-23 | 1997-05-29 | Yali Yang | Process and apparatus for treatment of waste plastic hydrocarbons |
| WO2002057391A1 (en) * | 2001-01-22 | 2002-07-25 | Chen, Yanping | Method and system of converting waste plastics into hydrocarbon oil |
| US6774271B2 (en) | 2001-01-22 | 2004-08-10 | Tianfu Jiang | Method and system of converting waste plastics into hydrocarbon oil |
| CN102585872A (en) * | 2011-11-30 | 2012-07-18 | Enfc株式公司 | Oil production system using waste material and catalyst thereof |
| CN102585872B (en) * | 2011-11-30 | 2016-06-01 | 韩国燃油之城股份有限公司 | Use oily production system and the catalyst thereof of useless raw material |
| CN102744101A (en) * | 2012-08-02 | 2012-10-24 | 新疆大学 | Catalyst used for preparing gasoline through splitting of waste plastic and preparation method and using method thereof |
| CN104610996A (en) * | 2015-01-30 | 2015-05-13 | 上海逸淳周实业有限公司 | Novel process for refining oil through continuous catalytic cracking and recovery utilization of waste plastics |
| CN107201243A (en) * | 2016-03-18 | 2017-09-26 | 华云新能源科技（深圳）有限公司 | Cracking waste plastics oil refining process and equipment |
| CN106047395A (en) * | 2016-07-22 | 2016-10-26 | 南阳开源石油机械设备有限公司 | Equipment for turning waste plastics into oil and process flow of equipment |
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