CN111925815A - Waste tire colloidal particle cracking system and cracking method - Google Patents
Waste tire colloidal particle cracking system and cracking method Download PDFInfo
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- CN111925815A CN111925815A CN202010830614.8A CN202010830614A CN111925815A CN 111925815 A CN111925815 A CN 111925815A CN 202010830614 A CN202010830614 A CN 202010830614A CN 111925815 A CN111925815 A CN 111925815A
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- cracking
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- fractionating tower
- tire
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
-
- 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
- C10B57/005—After-treatment of coke, e.g. calcination desulfurization
-
- 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
- C10B57/04—Other carbonising or coking processes; Features of destructive distillation processes in general using charges of special composition
-
- 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
- C10B57/08—Non-mechanical pretreatment of the charge, e.g. desulfurization
-
- 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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- 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)
- Food Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a scrap tire colloidal particle cracking system and a scrap tire colloidal particle cracking method, which belong to the technical field of scrap tire cracking. According to the waste tire crumb cracking system and the cracking method, the waste tire is made into carbon black, gasoline, diesel oil and heavy oil by adopting a cracking process, so that the problems that the energy consumption is high, the cracking efficiency is low, a cracking product does not meet the environmental protection requirement, the cracking treatment process is low in controllability, harmful and toxic gases are avoided, the treated carbon black is used for preparing rubber or asphalt mixtures, the gasoline, the diesel oil and the heavy oil are used as fuels, heat energy is provided for the system, the resource recycling rate is improved, and the pressure of the environment is reduced are solved.
Description
Technical Field
The invention belongs to the technical field of waste tire cracking, and particularly relates to a waste tire colloidal particle cracking system and a waste tire colloidal particle cracking method.
Background
With the mass production of waste tires, the recovery processing industry of waste tires has been greatly developed, and nearly 4 hundred million waste tires are produced in China every year, so that the recovery processing industry of waste tires needs to be vigorously developed. At present, the waste tires in China are mainly used for producing reclaimed rubber and rubber powder, the production energy consumption of the reclaimed rubber is high, the pollution is serious, and the reclaimed rubber is gradually eliminated in the world; the rubber powder product is not widely popularized in the market application of China and has limited production capacity. In addition, the rubber product can not be used for producing rubber products after being recycled for 2-3 times, and the thermal cracking technology is a final way for recycling waste tires and is one of important methods for treating the waste tires.
In the 70 s of the 20 th century, the industrial developed countries have classified the harmless treatment of waste rubber as the category of technical development. The united states uses the combustion heat of waste tires to generate electricity, and japan uses the combustion of waste tires to burn cement. Both methods can thoroughly destroy the waste rubber.
With the development of automobile industry in China, the treatment of waste rubber by related government departments has been brought forward to the agenda, and related technologies with certain economic benefits, such as reclaimed rubber, rubber particles, rubber powder and the like, are organized and developed. However, the common characteristics of these technologies are that the material properties of rubber are not changed, and the technology can only be used for manufacturing low-quality reclaimed rubber products, and once the low-end products are scrapped, the low-end products can not be used as raw materials of the three products, so that the waste tires can not be recycled, and the resource utilization rate is greatly reduced.
Disclosure of Invention
Technical problem to be solved
In order to overcome the defects of the prior art, the invention provides a waste tire rubber particle cracking system and a waste tire rubber particle cracking method, which solve the problems that the traditional waste tire cracking method is low in utilization rate, only simple reclaimed rubber, rubber particles and rubber powder are prepared, and once the rubber particles are scrapped, the rubber particles cannot be reused, and the utilization rate of the waste tire is greatly reduced.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a waste tire colloidal particle cracking system and a cracking method comprise a composite cracking cavity, wherein a crushing device is arranged on the left side above the composite cracking cavity, the right side of the upper surface of the composite cracking cavity is provided with a heating device, the lower surface of the composite cracking cavity is communicated with a grinding device through a solid discharge pipe, a winnowing device is arranged below the grinding device, the composite cracking cavity is communicated with the fractionating tower through an oil-gas ventilation pipe, the left side of the fractionating tower is provided with an evaporator which is communicated with the fractionating tower through a connecting pipe, the top end of the fractionating tower is provided with a condenser pipe, the condenser pipe is provided with a condenser, the other end of the condenser pipe is communicated with an exhaust pipe, the left end of the exhaust pipe is communicated with the upper part of the right side surface of the fractionating tower, the right side surface of the fractionating tower is provided with an oil discharge pipe, the upper part of the left side surface of the fractionating tower is communicated with the upper part of the right side surface of the composite cracking cavity through a cracking air pipe.
As a further scheme of the invention: the top of wind selector left surface is provided with the air intake, wind selector's lower surface is provided with three bin outlet.
As a further scheme of the invention: the quantity of oil extraction pipe is three, and three oil extraction pipe is from the top down for petrol oil drain port, diesel oil drain port and heavy oil drain port in proper order.
As a further scheme of the invention: and a slag discharge pipe is arranged at the bottom end of the fractionating tower.
As a further scheme of the invention: and the oil gas ventilation pipe and the cracking gas pipe are both provided with gas driving devices.
A cracking method of waste tire rubber particles comprises the following steps:
and S1, peeling the steel ring of the waste tire, and then cleaning and drying the steel ring.
S2, the processed tire is loaded into a crushing device, crushed into colloidal particles by the crushing device and then enters a composite cracking cavity.
S3, heating the composite cracking cavity through a heating device, cracking the tire rubber particles entering the composite cracking cavity to obtain a solid product and a mixed gaseous product, and separating through a gas-solid separator.
And S4, grinding and winnowing the solid product to obtain the carbon black product.
And S5, introducing the mixed gaseous product into a fractionating tower, treating the mixed gaseous product by the fractionating tower to obtain gasoline, diesel oil and heavy oil, and simultaneously introducing the incompletely-treated cracked gas into the composite cracking cavity again.
As a further scheme of the invention: before the composite cracking cavity works, the oxygen discharge treatment is carried out, nitrogen, carbon dioxide, water vapor or inert gas is adopted for oxygen discharge, and the temperature in the composite cracking cavity is 350-700 ℃ during cracking.
As a further scheme of the invention: and the solid product is discharged into a grinding device after being cooled without oxygen.
(III) advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
1. according to the waste tire crumb cracking system and the cracking method, the waste tire is made into carbon black, gasoline, diesel oil and heavy oil by adopting a cracking process, so that the problems that the energy consumption is high, the cracking efficiency is low, a cracking product does not meet the environmental protection requirement, the cracking treatment process is low in controllability, harmful and toxic gases are avoided, the treated carbon black is used for preparing rubber or asphalt mixtures, the gasoline, the diesel oil and the heavy oil are used as fuels, heat energy is provided for the system, the resource recycling rate is improved, and the pressure of the environment is reduced are solved.
2. According to the junked tire colloidal particle cracking system and the junked tire colloidal particle cracking method, the grinding device is used for grinding carbon black coarse materials by virtue of the grinding device and the winnowing device, products with small particles are prepared, meanwhile, the winnowing device is used for screening ground materials, and the carbon black after grinding and winnowing can be directly used, so that solid products of cracked waste tires can be recycled.
Drawings
FIG. 1 is a schematic diagram of a cracking system according to the present invention;
FIG. 2 is a flow chart of the method of the present invention;
in the figure: the device comprises a composite cracking cavity 1, a crushing device 2, a heating device 3, a solid discharge pipe 4, a grinding device 5, a winnowing device 6, an air inlet 7, a discharge outlet 8, an oil-gas ventilation pipe 9, a fractionating tower 10, an evaporator 11, a connecting pipe 12, a condensing pipe 13, a condenser 14, an exhaust pipe 15, an oil discharge pipe 16, a slag discharge pipe 17, a cracking gas pipe 18 and a gas driving device 19.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
As shown in fig. 1-2, the present invention provides a technical solution: a scrap tire colloidal particle cracking system and a cracking method comprise a composite cracking cavity 1, wherein a crushing device 2 is arranged on the left side above the composite cracking cavity 1, a heating device 3 is arranged on the right side of the upper surface of the composite cracking cavity 1, the lower surface of the composite cracking cavity 1 is communicated with a grinding device 5 through a solid discharge pipe 4, an air separation device 6 is arranged below the grinding device 5, the composite cracking cavity 1 is communicated with a fractionating tower 10 through an oil-gas ventilation pipe 9, an evaporator 11 is arranged on the left side of the fractionating tower 10, the evaporator 11 is communicated with the fractionating tower 10 through a connecting pipe 12, a condensing pipe 13 is arranged at the top end of the fractionating tower 10, a condenser 14 is arranged on the condensing pipe 13, the other end of the condensing pipe 13 is communicated with an exhaust pipe 15, the left end of the exhaust pipe 15 is communicated with the upper portion of the right side face of the fractionating tower 10, an oil discharge pipe 16 is arranged on the right side face of the fractionating tower 10, and the upper portion.
An air inlet 7 is arranged above the left side surface of the winnowing device 6, and three discharge outlets 8 are arranged on the lower surface of the winnowing device 6.
The number of the oil discharge pipes 16 is three, and the three oil discharge pipes 16 are a gasoline discharge port, a diesel discharge port and a heavy oil discharge port in sequence from top to bottom.
The bottom end of the fractionating tower 10 is provided with a slag discharge pipe 17.
And the oil gas ventilation pipe 9 and the cracking gas pipe 18 are both provided with a gas driving device 19.
A cracking method of waste tire rubber particles comprises the following steps:
and S1, peeling the steel ring of the waste tire, and then cleaning and drying the steel ring.
S2, the processed tire is loaded into a crushing device 2, crushed into colloidal particles by the crushing device 2 and then enters a composite cracking cavity 1.
S3, heating the composite cracking cavity 1 through the heating device 3, cracking the tire rubber particles entering the composite cracking cavity 1 to obtain a solid product and a mixed gas product, and separating through a gas-solid separator.
And S4, grinding and winnowing the solid product to obtain the carbon black product.
And S5, introducing the mixed gaseous product into the fractionating tower 10, treating the mixed gaseous product by the fractionating tower 10 to obtain gasoline, diesel oil and heavy oil, and simultaneously introducing the incompletely-treated cracked gas into the composite cracking cavity 1 again.
Before the composite cracking cavity 1 works, the oxygen discharge treatment is carried out, the oxygen discharge adopts nitrogen, carbon dioxide, water vapor or inert gas, and the temperature in the composite cracking cavity 1 is 350-700 ℃ during cracking.
The solid product is discharged into a grinding device 5 after anaerobic cooling.
The waste tire is made into carbon black, gasoline, diesel oil and heavy oil by adopting a cracking process, so that the problems that the energy consumption is high, the cracking efficiency is low, a cracking product does not meet the environmental protection requirement, the cracking treatment process has low controllability, the generation of harmful and toxic gases is avoided, the treated carbon black is used for preparing rubber or asphalt mixtures, and the gasoline, the diesel oil and the heavy oil are used as fuels to provide heat energy for the system, improve the resource recovery utilization rate and reduce the pressure of the environment are solved.
Through setting up grinder 5 and wind selection device 6, utilize grinder 5 to grind the carbon black coarse fodder, make the less result of granule, wind selector 6 realizes the screening to the material after the grinding simultaneously, and carbon black after grinding and selection by winnowing can directly use to the realization is retrieved the solid product of schizolysis abandonment used tyre and is recycled.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (8)
1. The utility model provides a junked tire micelle schizolysis system, includes compound schizolysis chamber (1), its characterized in that: the left side of compound pyrolysis chamber (1) top is provided with reducing mechanism (2), the right side of compound pyrolysis chamber (1) upper surface is provided with heating device (3), the lower surface of compound pyrolysis chamber (1) is arranged material pipe (4) through the solid and is linked together with grinder (5), the below of grinder (5) is provided with wind selector (6), compound pyrolysis chamber (1) is linked together with fractionating tower (10) through oil gas ventilation pipe (9), the left side of fractionating tower (10) is provided with evaporimeter (11), evaporimeter (11) communicate each other with fractionating tower (10) through connecting pipe (12), the top of fractionating tower (10) is provided with condenser pipe (13), be provided with condenser (14) on condenser pipe (13), the other end and blast pipe (15) of condenser pipe (13) are linked together, the left end and the top of fractionating tower (10) right flank of blast pipe (15) are linked together, an oil discharge pipe (16) is arranged on the right side face of the fractionating tower (10), and the upper portion of the left side face of the fractionating tower (10) is communicated with the upper portion of the right side face of the composite cracking cavity (1) through a cracking air pipe (18).
2. The scrap tire crumb cracking system according to claim 1, wherein: an air inlet (7) is formed in the upper portion of the left side face of the winnowing device (6), and three material outlets (8) are formed in the lower surface of the winnowing device (6).
3. The scrap tire crumb cracking system according to claim 1, wherein: the number of the oil discharge pipes (16) is three, and the three oil discharge pipes (16) are a gasoline discharge port, a diesel oil discharge port and a heavy oil discharge port from top to bottom in sequence.
4. The scrap tire crumb cracking system according to claim 1, wherein: the bottom end of the fractionating tower (10) is provided with a slag discharge pipe (17).
5. The scrap tire crumb cracking system according to claim 1, wherein: and the oil gas ventilation pipe (9) and the cracking gas pipe (18) are respectively provided with a gas driving device (19).
6. A cracking method of waste tire rubber particles comprises the following steps:
s1, peeling steel rings of the waste tires, and then cleaning and drying the steel rings;
s2, loading the processed tire into a crushing device (2), crushing the tire into colloidal particles by the crushing device (2), and then feeding the tire into a composite cracking cavity (1);
s3, heating the composite cracking cavity (1) through the heating device (3), cracking the tire rubber particles entering the composite cracking cavity (1) to obtain a solid product and a mixed gaseous product, and separating the solid product and the mixed gaseous product through a gas-solid separator;
s4, grinding and winnowing the solid product to obtain a carbon black product;
and S5, introducing the mixed gaseous product into a fractionating tower (10), treating the mixed gaseous product by the fractionating tower (10) to obtain gasoline, diesel oil and heavy oil, and simultaneously introducing incompletely-treated cracked gas into the composite cracking cavity (1) again.
7. The method for cracking rubber particles of junked tires according to claim 6, characterized in that: before the composite cracking cavity (1) works, oxygen discharge treatment is carried out, nitrogen, carbon dioxide, water vapor or inert gas is adopted for oxygen discharge, and the temperature in the composite cracking cavity (1) is 350-700 ℃ during cracking.
8. The method for cracking rubber particles of junked tires according to claim 6, characterized in that: the solid product is discharged into a grinding device (5) after being cooled without oxygen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010830614.8A CN111925815A (en) | 2020-08-18 | 2020-08-18 | Waste tire colloidal particle cracking system and cracking method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010830614.8A CN111925815A (en) | 2020-08-18 | 2020-08-18 | Waste tire colloidal particle cracking system and cracking method |
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| Publication Number | Publication Date |
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| CN111925815A true CN111925815A (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010830614.8A Pending CN111925815A (en) | 2020-08-18 | 2020-08-18 | Waste tire colloidal particle cracking system and cracking method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1208742A (en) * | 1997-08-18 | 1999-02-24 | 中国科学院山西煤炭化学研究所 | Method for prodn. of gasolene, diesel oil and carbon black from waste tyre, and prodn. equipment therefor |
| WO2008074188A1 (en) * | 2006-12-20 | 2008-06-26 | Bin Niu | A pyrolysis process for waste and old rubber |
| JP2019094408A (en) * | 2017-11-21 | 2019-06-20 | 株式会社綿谷製作所 | Liquefaction device of waste plastic |
| CN111234858A (en) * | 2019-05-06 | 2020-06-05 | 云南新昊环保科技有限公司 | System and process for recycling waste tires |
-
2020
- 2020-08-18 CN CN202010830614.8A patent/CN111925815A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1208742A (en) * | 1997-08-18 | 1999-02-24 | 中国科学院山西煤炭化学研究所 | Method for prodn. of gasolene, diesel oil and carbon black from waste tyre, and prodn. equipment therefor |
| WO2008074188A1 (en) * | 2006-12-20 | 2008-06-26 | Bin Niu | A pyrolysis process for waste and old rubber |
| JP2019094408A (en) * | 2017-11-21 | 2019-06-20 | 株式会社綿谷製作所 | Liquefaction device of waste plastic |
| CN111234858A (en) * | 2019-05-06 | 2020-06-05 | 云南新昊环保科技有限公司 | System and process for recycling waste tires |
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Application publication date: 20201113 |