CN109666499A - The progressively heated thermal-cracking method of waste plastics staged - Google Patents
The progressively heated thermal-cracking method of waste plastics staged Download PDFInfo
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- CN109666499A CN109666499A CN201710963248.1A CN201710963248A CN109666499A CN 109666499 A CN109666499 A CN 109666499A CN 201710963248 A CN201710963248 A CN 201710963248A CN 109666499 A CN109666499 A CN 109666499A
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- China
- Prior art keywords
- waste plastics
- oil
- staged
- progressively heated
- reaction kettle
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G1/00—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/07—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of solid raw materials consisting of synthetic polymeric materials, e.g. tyres
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/02—Multi-step carbonising or coking processes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1003—Waste materials
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
- C10G2400/06—Gasoil
-
- 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
- Y02P20/141—Feedstock
- Y02P20/143—Feedstock the feedstock being recycled material, e.g. plastics
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The present invention provides a kind of thermal-cracking method that waste plastics staged is progressively heated, it includes have stock, heating cracking, dewaxing and storage；Wherein, waste plastics is had in material preparation step, it will be in decomposition agent and waste plastics merging heat scission reaction kettle in heating cleavage step, waste plastics is sequentially heated to different cut points and is maintained, to form the progressively heated mode of staged, and semi-finished product oil product and oil gas are obtained, mixes stabilization agent respectively with semi-finished product oil product in hydrodewaxing step, it dewaxes to form different types of light oil by filter device, finally the grade light oils and oil gas point is stored in reserve tank in storing step；By the progressively heated mode of the staged, it can be precisely controlled and maintain the temperature inside heat scission reaction kettle, ensure that waste plastics stablizes conversion in every section of fractional distillation process, except the conversion ratio that can promote waste plastics, to be substantially improved outside the oil production of light oil, and energy loss is effectively reduced, while stablizing the lightweight oil quality of output.
Description
Technical field
The present invention relates to a kind of resource reutilization processing method more particularly to a kind of heat that waste plastics staged is progressively heated
Cleavage method.
Background technique
It looks into, with industrial progress and development in science and technology, so that daily life is increasingly in convenient situation, it is opposite to supervene
A large amount of waste, and most wastes can not be decomposed voluntarily in the natural environment, it is necessary to after being handled manually again
It utilizes, to reduce to pollution caused by environment, and it is the most considerable with waste plastics quantity in the waste, in addition to small part kind
Outside the waste plastics of class can be processed via specific recovery channel again plastotype, most waste plastics is only capable of embedment landfill site, but should
Waste plastics has after burial is not easy corruption and pole takes up space characteristic, and certain waste plastics can also be sent into incinerator burning and destroy,
But toxic gas but will be generated by directly destroying by fire, not only caused two degree of environment pollutions, be more likely to that human body is caused to suck the toxic gas
And not recoverable injury is generated, it is real to be improved.
Summary of the invention
Therefore, the purpose of the present invention is to provide a kind of thermal-cracking method that waste plastics staged is progressively heated, can essence
Standard controls and maintains the heating temperature in heat scission reaction kettle, and then promotes the conversion ratio of waste plastics, light oil is substantially improved
Oil production outside, and effectively reduce energy loss, while the lightweight oil quality that output product are stable.
Then, the progressively heated thermal-cracking method of waste plastics staged of the present invention sequentially includes material preparation step, heating
Cleavage step, hydrodewaxing step and storing step etc.；Wherein, which has waste plastics, and in the heating cleavage step
One decomposition agent and the waste plastics are placed in a heat scission reaction kettle, by the heat source in the heat scission reaction kettle by the waste plastics
It is heated according to the cut point of different light oils, and is maintained a period of time when reaching the cut point of one cut point,
A period of time is separately also maintained when reaching the cut point of another cut point, uses to form the progressively heated mode of staged,
So that the waste plastics is converted to semi-finished product oil product and oil gas, by a stabilization agent and the equal semi-finished product oil product in the hydrodewaxing step
It mixes, while being dewaxed by a filter device to form different light oils respectively, this is finally waited into light oils in storing step
And oil gas point store up it is spare into reserve tank；Therefore can not only be precisely controlled the Pyrolysis in such a way that the staged is progressively heated
It answers the temperature inside kettle and is maintained, and then promote the conversion ratio of waste plastics, to be substantially improved outside the oil production of light oil, and
And energy loss is effectively reduced, while stablizing the lightweight oil quality of output.
Detailed description of the invention
Fig. 1 is the process block diagram of the first preferred embodiment of the invention.
Fig. 2 is the processing procedure schematic diagram of first preferred embodiment.
Fig. 3 is the multilayer fractionation schematic diagram of the heating cleavage step of first preferred embodiment.
Fig. 4 is the local processing procedure schematic diagram of second preferred embodiment.
Fig. 5 is the processing procedure schematic diagram of the third preferred embodiment.
Description of symbols:
1: the progressively heated thermal-cracking method of waste plastics staged, 11: material preparation step, 12: heating cleavage step, 13: de-
Wax step, 14: storing step, 2: waste plastics, 3: heat scission reaction kettle, 31: heat source, 4: decomposition agent, 5: filter device, 6: stable
Agent, 7: reserve tank, 8: power generator, 81: oil gas generator, 82: light oil generator, 83: power supply line, 91: outside is set
It is standby, 92: external electrical network, 93: automotive vehicle, A, B, C: light oil.
Specific embodiment
For the present invention aforementioned and other technology contents, feature and effect refer to the preferable reality of attached drawing in following cooperation
It applies in the detailed description of example, can clearly understand.
Refering to fig. 1 and shown in Fig. 2, the first preferred embodiment of the invention, the progressively heated hot tearing of the waste plastics staged
Solution method 1 sequentially includes material preparation step 11, heating cleavage step 12, hydrodewaxing step 13 and storing step 14 etc.；Wherein, should
Material preparation step 11 is standby to have the waste plastics 2 for being intended to be cracked, such as: PMMA, PTFE, PET, POM, Nylon, PP, PBT, PPO,
The waste plastics such as PC, ABS, PVC 2 are reused, while when the waste plastics 2 processing, and can be according to the actual size of waste plastics 2
Depended on, the waste plastics 2 is excessive after all easily influences outside burning time and efficiency, while also considering subsequent heat cleavage step
Whether it is easily processed when 12, that is, the excessive waste plastics 2, the waste plastics 2 first can be subjected to preliminary crushing operation, so that should
2 volume of waste plastics from large to small, is decomposed with being easy to subsequent combustion.
Still continue aforementioned, a heat scission reaction kettle 3 is had in the heating cleavage step 12, one can make an addition to the heat scission reaction
Decomposition agent 4 in kettle 3 and the offer heat scission reaction kettle 3 heat required heat source 31, and the aforementioned heat source 31 can be by
Open fire, coal etc. directly heat mode, and or pass through the indirect heating manners such as electric power, electromagnetism, hot coal oil, water vapour, high frequency
The heating cracking processing of the waste plastics 2 is carried out, no matter heating using which kind of aforementioned heat source 31, cooperation is as shown in fig.3, this is useless
When plastics 2 carry out heating cracking, can in advance for the cut point of one light oil A by 2 instant heating of waste plastics to this its
Cut point needed for one light oil A, and the waste plastics 2 is maintained at the cut point for a period of time until the waste plastics 2 is complete
Full conversion, cut point needed for the waste plastics 2 is rapidly then heated to the cut point of another light oil B again, and be maintained at
Another cut point repeats aforementioned heating process for the waste plastics 2 for a period of time until the waste plastics 2 converts completely
It is heated to the cut point of another light oil C, so repeats aforementioned heating process, most layered morphologies shown in Fig. 3 can be formed
(i.e. as shown in Figure 3 three layers), and a kind of progressively heated mode of staged is formed, so that the waste plastics 2 is able in this configuration
Different types of semi-finished product oil product and oil gas are converted out completely and completely, and the cut point can be according to practical seeking to obtain
Light oil cut point set, while the heat scission reaction kettle 3 should using the staged progressively heated mode heating cracking
Waste plastics 2 is used and eliminates the facts generation that the waste plastics 2 causes transfer efficiency bad because of heating temperature changing factor, then plus
The upper progressively heated process of the staged can effectively be precisely controlled and maintain the cut point inside the heat scission reaction kettle 3, it is ensured that
The one cut point can directly and instant heating is warming up to another cut point and is maintained without will cause the fractionation
Temperature floats up and down, and can so stablize and maintain the light oil output quality and conversion ratio.
Still continue aforementioned, a stabilization agent 6 and a filter device 5 had in the hydrodewaxing step 13, respectively by the stabilization agent 6 with
The grade semi-finished product oil product is mixed, and is dewaxed by the filter device 5 to form light oil；Finally, in the storing step 14
It is middle the grade light oils and the oil gas are stored up respectively it is spare into reserve tank 7；Therefore the heat source 31 using the heat scission reaction kettle 3 can
Really the cut point is effectively controlled and maintains, so that the cut point effectively remains outer without floating up and down, while this point
Temperature is evaporated to be maintained until the waste plastics 2 is directly warming up to another cut point and is maintained again after converting, so that
The waste plastics 2 can completely be converted to the semi-finished product oil product and oil gas in each cut point, and the waste plastics 2 is not only greatly decreased
Energy loss in conversion process, while stablizing the quality of output oil and promoting oily conversion ratio, oil productivity is more promoted, reaches and causes
More preferably economic benefit.
Refering to Fig. 4, the second preferred embodiment of the invention, the present embodiment is essentially consisted in: storage produced by previous embodiment
In in the grade reserve tanks 7 light oil and oil gas can make an addition in a power generator 8 and use, with by the power generator 8 convert
Electric power is generated, that is, the power generator 8 has an oil gas generator 81 and a light oil generator 82, while the power generation
A power supply line 83 is equipped between device 8 and the heat source 31 of the heat scission reaction kettle 3, so that this waits light oils and oil gas difference
Turn 81 by the light oil generator 82 and the oil gas generator and be changed to electric power, electric power caused by the power generator 8 is for dimension
Itself running is held outside, the heat scission reaction kettle 3 is transmitted to also by the power supply line 83, uses and maintain the Pyrolysis
It answers the heat source 31 of kettle 3 to stablize and heats the waste plastics 2, while generated electric power can also be transmitted to external equipment 91 or external electrical network
92 use, and more promote the economic value of the waste plastics 2 recycling.
Refering to Fig. 5, third preferred embodiment of the invention is essentially consisted in: the heat scission reaction kettle 3, the filter device 5
And the equipment such as the grade reserve tanks 7 all may be disposed on an automotive vehicle 93 (such as vehicle, ship) and carry out transport and carry, except can solve
Part place did not had outside the problem of sufficient space accommodates large-scale processing equipment, while can move spy easily using the automotive vehicle 93
Property, so that factory is directed to 2 treatment process of waste plastics, does not need to have big quantity space and store the equipment such as this, it only need to be in preparation
When carrying out the waste plastics 2 processing, required position can quickly be reached by the automotive vehicle 93, rapidly utilize the heat scission reaction
Kettle 3, the filter device 5 and this etc. the equipment such as reserve tanks 7 carry out the processing of the waste plastics 2, to eliminate ring derived from waste plastics 2
Guarantor's problem, and the existing power generator 8 of the factory of arranging in pairs or groups again, so that the waste plastics 2 treated light oil and oil gas etc. produces
Object, is able to directly make an addition in the power generator 8 and uses, and reaches self circulating supply mode, more economic benefit.
Conclude aforementioned, the progressively heated thermal-cracking method of waste plastics staged of the present invention, sequentially by material preparation step, plus
Cracking step, hydrodewaxing step and storing step；The waste plastics is had, the waste plastics is made to mix the decomposition agent in the Pyrolysis
It answers in kettle, is heated by the heat source and cooperate the decomposition agent that the cracking waste plastics are converted to semi-finished product oil product and oil gas, then distinguished
The equal semi-finished product oil product is mixed with the stabilization agent, and dewaxes to form the grade light oils by the filter device, will finally be obtained
Light oil and oil gas point be stored in the grade reserve tanks, be precisely controlled by the progressively heated mode of the staged and maintain the hot tearing
Cut point inside solution reaction kettle, while ensuring that the waste plastics all maintains a period of time, Jin Erti in different cut points
The conversion ratio for rising waste plastics, greatly promotes the oil production of light oil, and energy loss is effectively reduced, while stablizing the light of output
Matter oil quality.
Only as described above, only illustrates presently preferred embodiments of the present invention, when cannot limit implementation of the present invention with this
Range, i.e., generally according to simple equivalent changes and modifications made by scope of the present invention patent and description of the invention content,
It should still belong in the range of the invention patent covers.
Claims (3)
1. a kind of thermal-cracking method that waste plastics staged is progressively heated, which is characterized in that it includes have the following steps:
One material preparation step, has waste plastics；
One heating cleavage step, has a heat scission reaction kettle put for the waste plastics, one can make an addition to the thermal cracking
Heat source needed for decomposition agent and one in reaction kettle provide heat scission reaction kettle heating, wherein the heat source cooperates the cracking
To carry out thermal cracking for the waste plastics, while in the heat source heating process, the cut point for being directed to one light oil in advance will for agent
Cut point needed for the waste plastics instant heating to the one light oil and maintain a period of time, then again instant heating to another
Cut point needed for the cut point of one light oil and maintenance a period of time, aforementioned heating process is repeated, so to form single order
The progressively heated mode of ladder type, and then respectively obtain the semi-finished product oil product and oil gas of different light oil types；
One hydrodewaxing step has purchased a stabilization agent and a filter device, respectively that aforementioned staged is progressively heated resulting
The various semi-finished product oil products are sequentially mixed with the stabilization agent respectively, and carry out dewaxing operation by the filter device, to divide
The resulting light oil of different cut points Xing Cheng not passed through；And
One storing step stores up the grade light oils and the oil gas spare into reserve tank respectively.
2. the progressively heated thermal-cracking method of waste plastics staged according to claim 1, which is characterized in that the reserve tank
Interior light oil and oil gas, which can make an addition in a power generator, to be used, to generate electric power by power generator conversion.
3. the progressively heated thermal-cracking method of waste plastics staged according to claim 1, which is characterized in that the thermal cracking
Reaction kettle, the filter device and this etc. reserve tanks, be all set on an automotive vehicle carry out transport carry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710963248.1A CN109666499A (en) | 2017-10-17 | 2017-10-17 | The progressively heated thermal-cracking method of waste plastics staged |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710963248.1A CN109666499A (en) | 2017-10-17 | 2017-10-17 | The progressively heated thermal-cracking method of waste plastics staged |
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| Publication Number | Publication Date |
|---|---|
| CN109666499A true CN109666499A (en) | 2019-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710963248.1A Pending CN109666499A (en) | 2017-10-17 | 2017-10-17 | The progressively heated thermal-cracking method of waste plastics staged |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1042374A (en) * | 1988-11-03 | 1990-05-23 | 马忠俊 | The method of making combustibles from waste plastics |
| CN101177502A (en) * | 2007-11-05 | 2008-05-14 | 李大光 | Autoclave processing waste and old tyre and plastic by cracking mode |
| CN101824332A (en) * | 2010-06-02 | 2010-09-08 | 华南再生资源（中山）有限公司 | Production equipment for comprehensively utilizing renewable energy resources of waste and old plastics, tires and waste engine oil |
| CN203403063U (en) * | 2013-08-12 | 2014-01-22 | 四川雨虹环保设备有限公司 | Oil refining reaction kettle heating plastics in segmented mode |
| CN103756007A (en) * | 2013-12-02 | 2014-04-30 | 郑惠娣 | Plastic waste processing process |
-
2017
- 2017-10-17 CN CN201710963248.1A patent/CN109666499A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1042374A (en) * | 1988-11-03 | 1990-05-23 | 马忠俊 | The method of making combustibles from waste plastics |
| CN101177502A (en) * | 2007-11-05 | 2008-05-14 | 李大光 | Autoclave processing waste and old tyre and plastic by cracking mode |
| CN101824332A (en) * | 2010-06-02 | 2010-09-08 | 华南再生资源（中山）有限公司 | Production equipment for comprehensively utilizing renewable energy resources of waste and old plastics, tires and waste engine oil |
| CN203403063U (en) * | 2013-08-12 | 2014-01-22 | 四川雨虹环保设备有限公司 | Oil refining reaction kettle heating plastics in segmented mode |
| CN103756007A (en) * | 2013-12-02 | 2014-04-30 | 郑惠娣 | Plastic waste processing process |
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Application publication date: 20190423 |
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