CN106701141B - Waste old pyrolysis treating method - Google Patents
Waste old pyrolysis treating method Download PDFInfo
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- CN106701141B CN106701141B CN201611105380.0A CN201611105380A CN106701141B CN 106701141 B CN106701141 B CN 106701141B CN 201611105380 A CN201611105380 A CN 201611105380A CN 106701141 B CN106701141 B CN 106701141B
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- pyrolysis
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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
- C10G1/10—Production of liquid hydrocarbon mixtures from oil-shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses a kind of waste old pyrolysis treating methods, include the following steps, waste old is broken into micelle；Micelle, cooling catalyst, anti-char catalyst and heat-conduction medium are put into pyrolysis reactor, heated material generates pyrolysis mixed gas on the top of reactor, in the bottom residue waste wire and carbon black of reactor；Mixed gas delivery will be pyrolyzed to cooling tower, mixed oil and gas is made；Mixed oil and gas is poured into knockout drum, pyrolysis oil is exported from the tank bottom of knockout drum to fluid reservoir, pyrolysis gas is output in air accumulator at the top of knockout drum.The present invention can preferably realize the serialization of waste old pyrolysis, prevent coking in pyrolytic process, waste old is avoided to cause environmental pollution, realize the effective recycling of resource.
Description
Technical field
The present invention relates to a kind of waste old pyrolysis treating methods.
Background technique
The heat transfer property of waste old is poor, in pyrolytic process can uneven heating it is even, inside reactor material temperature difference can
When reaching 400 DEG C or more, the temperature of charge close to reactor wall is even up to 900 DEG C or so sometimes, and material is in this temperature
Under easily form coking and carbon distribution, cause pyrolytic process that can not be normally carried out, must parking cleaning, seriously affected production it is orderly
It carries out.
Summary of the invention
The present invention provides a kind of waste old pyrolysis treating method, can preferably realize the continuous of waste old pyrolysis
Change, prevents coking in pyrolytic process, waste old is avoided to cause environmental pollution, realize the effective recycling of resource.
In order to solve the above technical problems, the technical scheme is that a kind of waste old pyrolysis treating method, including with
Lower step,
Waste old is delivered to crusher by step 1, and waste old is broken into the micelle of 15~35mm of partial size；
Step 2 is according to mass fraction by 150~200 parts of micelles, 8~12 parts of cooling catalyst, 10~18 parts of anti-scorch catalysis
Agent and 15~20 parts of heat-conduction medium are put into pyrolysis reactor, and the pressure in reactor is 10~20Kpa, in reactor
After 150~200 DEG C of 20~40min of heated material of temperature, keeping the pressure in reactor is 10~20Kpa, the temperature in reactor
Degree is increased to 300~400 DEG C of 60~120min of heated material, pyrolysis mixed gas is generated on the top of reactor, in reactor
Bottom residue waste wire and carbon black；
Step 3 will be pyrolyzed mixed gas extraction and be delivered to cooling tower, cool to 80~120 DEG C, and miscella is made
Gas；
Mixed oil and gas is poured into knockout drum by step 4, and pyrolysis oil is exported from the tank bottom of knockout drum to fluid reservoir
It is interior, pyrolysis gas is output in air accumulator at the top of knockout drum.
High-pressure blast dedusting first is carried out to waste old before the step 1 as a preferred technical solution, is specially made
With the surface of compressed air spraying waste old, the dust of waste old surface attachment is blown off.
The cooling catalyst of the step 2 is NiCl as a preferred technical solution,2With molecular sieve at least one.
As improvement to above-mentioned technical proposal, the anti-char catalyst of the step 2 is according to mass fraction by 30
~40 parts of CaO or ZnO and 20~35 part of TiO2It is mixed and is made.
As improvement to above-mentioned technical proposal, the heat-conduction medium of the step 2 is K2O and Li2O at least one
Kind.
As improvement to above-mentioned technical proposal, the step 2 investment micelle, cooling catalyst, anti-char catalyst and heat
After transmitting medium, the stirring blade stirring of reactor is controlled, reheats each material after mixing.
As further improvement to above-mentioned technical proposal, when material in the step 2 heating response device, reactor
When interior 150~200 DEG C of heated materials of temperature, the stirring blade of reactor is controlled with the revolving speed of 20~35 turns/min and stirs material；
When temperature in reactor is increased to 300~400 DEG C of heated materials, the stirring blade of reactor is controlled with 45~60 turns/min's
Revolving speed stirs material.
It, first will pyrolysis mixed gas extraction conveying in the step 3 as further improvement to above-mentioned technical proposal
Desulfurization is carried out to desulfurizing tower, then mixed gas delivery will be pyrolyzed to cooling tower.
As the further improvement to above-mentioned technical proposal, after the step 3, it is discharged remaining in pyrolysis reactor
Waste wire and carbon black residue clear up pyrolysis reactor.
By adopting the above-described technical solution, the broken of step 1 increases the heating surface area of material, heat transfer can be made equal
It is even；Catalyst is added in step 2 to react with micelle, cooling catalyst can reduce pyrolytic reaction activation energy, reduce material pyrolysis
Temperature, reduces the generation of secondary response, and anti-char catalyst can reduce coking, the good heat conductivity of heat-conduction medium, catalyst
It is uniformly mixed with micelle, heat transfer condition can be improved, material is made to get to pyrolysis temperature as early as possible, reduce the hair of the raw carbon reaction of coking
It is raw.It is heated at high temperature after first low-temperature heat, is conducive to avoid occurring a succession of reactions such as the raw carbon of coking；Step 3 and step 4 are timely
The gas generated in pyrolysis reactor is extracted out, the generation of secondary response is reduced, reduces the probability of coking and raw carbon.This hair
The bright serialization that can preferably realize waste old pyrolysis, prevents coking in pyrolytic process, waste old is avoided to cause environment
Pollution, realizes the effective recycling of resource.
Detailed description of the invention
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein:
Fig. 1 is the process flow diagram of the embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention is further explained.In the following detailed description, only pass through explanation
Mode describes certain exemplary embodiments of the invention.Undoubtedly, those skilled in the art will recognize,
In the case where without departing from the spirit and scope of the present invention, described embodiment can be repaired with a variety of different modes
Just.Therefore, attached drawing and description are regarded as illustrative in nature, and are not intended to limit the scope of the claims.
As long as in addition, the non-structure each other of technical characteristic involved in the various embodiments of the present invention described below
It can be combined with each other at conflict.
As shown in Figure 1, a kind of waste old pyrolysis treating method, includes the following steps,
Waste old is delivered to crusher by step 1, and waste old is broken into the micelle of 15~35mm of partial size；
Step 2 is according to mass fraction by 150~200 parts of micelles, 8~12 parts of cooling catalyst, 10~18 parts of anti-scorch catalysis
Agent and 15~20 parts of heat-conduction medium are put into pyrolysis reactor, and the pressure in reactor is 10~20Kpa, in reactor
After 150~200 DEG C of 20~40min of heated material of temperature, keeping the pressure in reactor is 10~20Kpa, the temperature in reactor
Degree is increased to 300~400 DEG C of 60~120min of heated material, pyrolysis mixed gas is generated on the top of reactor, in reactor
Bottom residue waste wire and carbon black；
Step 3 will be pyrolyzed mixed gas extraction and be delivered to cooling tower, cool to 80~120 DEG C, and miscella is made
Gas；
Mixed oil and gas is poured into knockout drum by step 4, and pyrolysis oil is exported from the tank bottom of knockout drum to fluid reservoir
It is interior, pyrolysis gas is output in air accumulator at the top of knockout drum.
The broken of step 1 increases the heating surface area of material, and heat transfer can be made uniform；In step 2 be added catalyst with
Micelle reaction, cooling catalyst can reduce pyrolytic reaction activation energy, reduce material pyrolysis temperature, reduce the hair of secondary response
Raw, anti-char catalyst can reduce coking, the good heat conductivity of heat-conduction medium, and catalyst is uniformly mixed with micelle, Ke Yigai
Kind heat transfer condition, makes material get to pyrolysis temperature as early as possible, reduces the generation of the raw carbon reaction of coking.High temperature adds after first low-temperature heat
Heat is conducive to avoid occurring a succession of reactions such as the raw carbon of coking；Step 3 and step 4 will generate in pyrolysis reactor in time
Gas extraction, reduces the generation of secondary response, reduces the probability of coking and raw carbon.
High-pressure blast dedusting first is carried out to waste old before step 1, specially using compressed air spraying waste old
The dust of waste old surface attachment is blown off on surface, and above-mentioned processing can effectively remove impurity, and will not generate pollution.
The cooling catalyst of step 2 is NiCl2With molecular sieve at least one, cooling catalyst can reduce pyrolytic reaction
Activation energy reduces material pyrolysis temperature, reduces the generation of secondary response, anti-char catalyst can reduce coking
The anti-char catalyst of step 2 is according to mass fraction by 30~40 parts of CaO or ZnO and 20~35 part of TiO2Mixing
Stirring is made, and anti-char catalyst can reduce coking.
The heat-conduction medium of step 2 is K2O and Li2O is at least one, the good heat conductivity of heat-conduction medium, catalyst with
Micelle is uniformly mixed, and can improve heat transfer condition, and material is made to get to pyrolysis temperature as early as possible, reduces the generation of the raw carbon reaction of coking.
After step 2 puts into micelle, cooling catalyst, anti-char catalyst and heat-conduction medium, the paddle of reactor is controlled
Piece stirring, reheats each material after mixing, catalyst is uniformly mixed with micelle, can be improved heat transfer condition, be made material
Reach pyrolysis temperature as early as possible, reduces the generation of the raw carbon reaction of coking.
When material in step 2 heating response device, when 150~200 DEG C of heated materials of reactor temperature, control reaction
The stirring blade of device stirs material with the revolving speed of 20~35 turns/min；Temperature in reactor is increased to 300~400 DEG C of heating objects
When material, the stirring blade of reactor is controlled with the revolving speed of 45~60 turns/min and stirs material.It, can with agitation in pyrolytic reaction
Increase the heating surface area of material and keeps heat transfer uniform.
In step 3, pyrolysis mixed gas extraction is first delivered to desulfurizing tower and carries out desulfurization, then will to be pyrolyzed mixed gas defeated
It send to cooling tower, above-mentioned processing can remove the sulphur ingredient in pyrolysis mixed gas, be conducive to the higher pyrolysis oil of output quality.
After step 3, remaining waste wire and carbon black residue in pyrolysis reactor is discharged, clears up pyrolysis reactor, above-mentioned place
Reason, which can be avoided, coalesces focus layer in reactor inner product, avoids influencing being normally carried out for pyrolytic process.
The present embodiment can preferably realize the serialization of waste old pyrolysis, prevent coking in pyrolytic process, avoid giving up
Old rubber causes environmental pollution, realizes the effective recycling of resource.
The above shows and describes the basic principle, main features and advantages of the invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of waste old pyrolysis treating method, which is characterized in that include the following steps,
Step 1: being delivered to crusher for waste old, and waste old is broken into the micelle of 15~35mm of partial size；
Step 2: according to mass fraction by 150~200 parts of micelles, 8~12 parts of cooling catalyst, 10~18 parts of anti-char catalysts
Heat-conduction medium with 15~20 parts is put into pyrolysis reactor, and the pressure in reactor is 10~20Kpa, temperature in reactor
After spending 150~200 DEG C of 20~40min of heated material, keeping the pressure in reactor is 10~20Kpa, the temperature in reactor
300~400 DEG C of 60~120min of heated material are increased to, pyrolysis mixed gas are generated on the top of reactor, in reactor
Bottom residue waste wire and carbon black；The anti-char catalyst of the step 2 be according to mass fraction by 30~40 parts of CaO or
ZnO and 20~35 part of TiO2It is mixed and is made；The cooling catalyst of the step 2 is NiCl2With molecular sieve at least one
Kind；
Step 3: pyrolysis mixed gas extraction is delivered to cooling tower, cools to 80~120 DEG C, mixed oil and gas is made；
Step 4: pouring into knockout drum for mixed oil and gas, and pyrolysis oil is exported from the tank bottom of knockout drum to fluid reservoir,
Pyrolysis gas is output in air accumulator at the top of knockout drum.
2. waste old pyrolysis treating method as described in claim 1, it is characterised in that: first to waste and old before the step 1
Rubber carries out high-pressure blast dedusting, specially uses the surface of compressed air spraying waste old, blows off the attachment of waste old surface
Dust.
3. waste old pyrolysis treating method as described in claim 1, it is characterised in that: the heat transfer of the step 2
Medium is K2O and Li2O is at least one.
4. waste old pyrolysis treating method as described in claim 1, it is characterised in that: the step 2 investment micelle, drop
After warm catalyst, anti-char catalyst and heat-conduction medium, the stirring blade stirring of reactor is controlled, makes each material after mixing
It reheats.
5. waste old pyrolysis treating method as described in claim 1, it is characterised in that: in the step 2 heating response device
Material when, when 150~200 DEG C of heated materials of reactor temperature, control the stirring blade of reactor with 20~35 turns/min
Revolving speed stir material；When temperature in reactor is increased to 300~400 DEG C of heated materials, the stirring blade of reactor is controlled
Material is stirred with the revolving speed of 45~60 turns/min.
6. waste old pyrolysis treating method as described in claim 1, it is characterised in that:, first will pyrolysis in the step 3
Mixed gas extraction is delivered to desulfurizing tower and carries out desulfurization, then will be pyrolyzed mixed gas delivery to cooling tower.
7. such as waste old pyrolysis treating method as claimed in any one of claims 1 to 6, it is characterised in that: after the step 3,
Remaining waste wire and carbon black residue in pyrolysis reactor is discharged, clears up pyrolysis reactor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611105380.0A CN106701141B (en) | 2016-12-05 | 2016-12-05 | Waste old pyrolysis treating method |
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|---|---|---|---|
| CN201611105380.0A CN106701141B (en) | 2016-12-05 | 2016-12-05 | Waste old pyrolysis treating method |
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| EP3798285B1 (en) * | 2018-04-18 | 2022-04-13 | Alexander Teplitsky | Method of obtaining carbon-containing material from recyclable tires and/or rubber products |
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| CN1068032C (en) * | 1998-08-27 | 2001-07-04 | 邢力 | Hydrocarbon preparing method and equipment using household refuse and/or organic waste |
| US7423189B2 (en) * | 2006-03-08 | 2008-09-09 | Chen Andy H C | Method of utilizing a catalytic reaction to recycle organic scrap |
| CN101365771B (en) * | 2006-12-20 | 2011-09-07 | 牛斌 | Wasted rubber cracking process |
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| CB02 | Change of applicant information |
Address after: 261000 Bohai Bay Golden Coast Commercial Building 401, 99 Xinhai Street, Weifang Binhai Economic Development Zone, Shandong Province Applicant after: Weifang Hongcheng Environmental Protection Technology Co., Ltd. Address before: 261000 Bohai Bay Golden Coast Commercial Building 401, 99 Xinhai Street, Weifang Binhai Economic Development Zone, Shandong Province Applicant before: Weifang Jinyuan microbial fertilizer Co., Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20210528 Address after: 276000 Zhuzhuang village, Lizhuang Town, Tancheng County, Linyi City, Shandong Province (New Building Materials Industrial Park) Patentee after: Shandong Yiqun Wood Plastic Technology Co.,Ltd. Address before: 261000 401, commercial building 2, Golden Coast, Bohai Bay, 99 Xinhai street, Binhai Economic Development Zone, Weifang City, Shandong Province Patentee before: Weifang Hongcheng Environmental Protection Technology Co.,Ltd. |
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| TR01 | Transfer of patent right |