CN108586798A - A kind of preparation method of the waste and old car tire of high-quality, light truck tire reclaimed rubber - Google Patents
A kind of preparation method of the waste and old car tire of high-quality, light truck tire reclaimed rubber Download PDFInfo
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- CN108586798A CN108586798A CN201810421848.XA CN201810421848A CN108586798A CN 108586798 A CN108586798 A CN 108586798A CN 201810421848 A CN201810421848 A CN 201810421848A CN 108586798 A CN108586798 A CN 108586798A
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- waste
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- light truck
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Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2319/00—Characterised by the use of rubbers not provided for in groups C08J2307/00 - C08J2317/00
-
- 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
Abstract
The invention discloses a kind of preparation facilities of granules regeneration rubber, including engine base, second screw extruder of the setting for the first screw extruder of plasticizing and for plasticating on engine base, feeding equipment is respectively set in the feed inlet of first screw extruder and the second screw extruder, and the feeding equipment of the second Screw Extrusion machine inlet is connect with the discharge port of the first screw extruder；First screw extruder and the second screw extruder connect temperature control equipment.The present invention solves the problems, such as traditional technology high pollution, and heat chemistry desulfurization is participated in without steam and water, and plasticizing process and process of plasticating all are to be carried out in totally-enclosed system, and the reclaimed rubber temperature after plasticating is low, does not generate exhaust gas, solves the secondary pollution of exhaust gas, waste water.
Description
Technical field
The present invention relates to technical field of waste rubber, the waste and old car tire of specifically a kind of high-quality, the regeneration of light truck tire
The preparation method of glue.
Background technology
China is tire production big country, is counted according to Chinese rubber association, China's tire used amount reaches 12.44 hundred million within 2017
6.8 hundred million, item, wherein car, light truck tire；China generates waste tire 3.8 hundred million within 2017, wherein waste and old car, light truck tire
1.36 hundred million, and with the increase of cars ' entry into family and car owning amount, waste and old car, light truck tire yield will also be big
Amount increases.How rationally, environmental protection, the waste and old car of recycling of health, light truck tire, prevent it from polluting the environment, this
It is both a global problem and the new issue that China recycles resource recycling to face.
Domestic waste and old car, light truck tire reclaimed rubber preparation method are primarily present following deficiency at present：1, unstable quality：
To reach different clients (sports type, comfort type etc.), different roads (snowfield, wet-skid road surface, Belgian road etc.), Various Seasonal
The requirements in (summer, winter, four seasons etc.) etc., car, light truck tire type are various, and variety classes car, light truck tire formula
On there are very big difference, it is larger so as to cause waste and old car, the fluctuation of light truck tire reclaimed rubber product quality；2, properties of product
It is relatively low：Rubber polymer ratio is higher in the full tire rubber powder of waste and old car tire, light truck tire, and the full tire rubber powder of waste and old truck, car tire
Mainly based on natural gum, under identical desulfurization process conditions, waste and old car, light truck tire reclaimed rubber performance are seriously relatively low,
Influence its performance；3, the degree of automation is low, high labor cost.
Invention content
Goal of the invention：In order to overcome the deficiencies in the prior art, the present invention provide a kind of waste and old car tire of high-quality,
The preparation method of light truck tire reclaimed rubber.
Technical solution：In order to solve the above technical problems, a kind of waste and old car tire of high-quality of the present invention, light truck tire reclaimed rubber
Preparation method, include the following steps：
S1：After waste and old car tire, light truck tire are decomposed, it is processed as the waste and old car tire of 16-40 mesh, light truck tire rubber powder；
S2：By rubber powder and desulfurizing assistant agent in mass ratio 100：5-20 ratios are mixed and stirred for uniformly；
S3：Plasticized screw extruder is added in the material that step S2 is stirred to be plasticized, obtains the rubber powder after desulfurization；
S4：Rubber powder after desulfurization that step S3 is obtained is plasticated by plasticizing screw extruder, by dropping Mooney, squeezing
Go out be granulated, weigh, be packaged postcooling storage.
Wherein, the screw rod of plasticized screw extruder is divided into eight regions, is followed successively by according to material direction of advance：Firstth area conveys
Section, for uniformly conveying material, second area's preheating section, for being preheated to material, third area, the 4th area, the 5th area, the
Six area's desulfurization fluxing zones interrupt S -- S, C-S keys in rubber powder, District 7 and the 8th by heat chemistry and mechanical shearing effect
Area is homogenizing zone, for keeping the rubber powder after desulfurization uniform, closely knit, and the rubber powder after cooling desulfurization.
Wherein, the temperature setting of each warm area is：First 130~150 DEG C of area's temperature, 150~180 DEG C of second area's temperature,
Three 180~210 DEG C of area's temperature, 180~210 DEG C of the 4th area's temperature, 180~210 DEG C of the 5th area's temperature, the 6th area's temperature 180~
210 DEG C, 150~180 DEG C of District 7 temperature, 130~150 DEG C of Section Eight temperature.
Wherein, in step S1, waste and old car tire, the tyre surface of light truck tire, sidewall, skeleton, rim of the mouth, inner liner are divided respectively
Solution, then by the tyre surface, sidewall, skeleton, rim of the mouth, one or more in inner liner after decomposition, carry out successively coarse crushing, magnetic separation,
Fine crushing, magnetic separation, milling, screening obtain the waste and old car tire of 16-40 mesh, light truck tire rubber powder.
Wherein, plasticized screw extruder is single screw extrusion machine.
Wherein, plasticizing screw extruder is double screw extruder.
Advantageous effect：The invention has the advantages that：
It is big not that the present invention solves quality fluctuation in domestic waste and old car, light truck tire reclaimed rubber preparation method at present
Foot, the recycling for waste and old car tire, light truck tire provide new method, improve the use of waste and old car, light truck tire
Value, economic benefits have expanded market for the recycling of waste and old car tire, light truck tire.
Specific implementation mode
The present invention is further described with reference to specific embodiment.
A kind of waste and old car tire of high-quality of the present invention, the preparation method of light truck tire reclaimed rubber, include the following steps：
S1：Collect waste and old car tire, light truck tire is decomposed, including：Tyre surface, sidewall, skeleton, rim of the mouth, inner liner five
Part；One of them or several parts are selected, coarse crushing, magnetic separation, fine crushing, magnetic separation, milling, screening is carried out, obtains 16-40 mesh rubber
Powder；
S2：Waste and old car tire, light truck tire rubber powder and conventional desulfurization auxiliary agent press 100 under room temperature：5-20 ratios are mixed and are stirred
It mixes and uniformly then puts into the above-mentioned apparatus of the present invention, passed through successively by 8 workspaces in one section of single screw extrusion machine
The automatic control system of complete machine, input terminal reclaimed rubber quality requirements, system automatically generated following paragraphs technological parameter, first
Area's temperature is 130~150 DEG C, second area's temperature is 150~180 DEG C, third area temperature is 180~210 DEG C, the 4th area's temperature is
180~210 DEG C, the 5th area's temperature be 180~210 DEG C, the 6th area's temperature is 180~210 DEG C, District 7 temperature is 150~180
DEG C, Section Eight temperature be 130~150 DEG C, wherein the firstth area be transportation section, major function be uniformly conveying material, the secondth area is
Preheating section, major function are to be preheated to material, and the-the six area of third area is desulfurization fluxing zone, passes through heat chemistry and machinery
Shear action interrupts S -- S, C-S keys in rubber powder, to realize that the effect of desulfurization plasticizing, District 7 and Section Eight are homogenizing
Section, major function is that the rubber powder after making desulfurization is more uniform, closely knit, enhances plasticizing effect, while the rubber powder after cooling desulfurization.
Rubber powder after S3, desulfurization is plasticated by two sections of twin-screws, drops Mooney, and extruding pelletization is weighed, and is packaged, cooling storage.
In single screw extrusion machine, each workspace corresponds to the different thread forms in the single screw rod in extruder respectively, the
The structure that can realize corresponding function in the prior art can be used in the thread segment of one area-Section Eight.
Example one
One or several components for selecting waste and old car tire, light truck tire described in step S1, preferably skeleton part；
The ratio of waste and old car tire, light truck tire rubber powder and conventional desulfurization auxiliary agent described in step S2, preferably 100：
10.5；
Eight workspace temperature described in step S3 are specially：First area's temperature is 132.3 DEG C, second area's temperature is
150.4 DEG C, third area temperature be 181.3 DEG C, the 4th area's temperature is 192 DEG C, the 5th area's temperature is 201.5 DEG C, the 6th area's temperature
For 210.5 DEG C, District 7 temperature be 150.4 DEG C, Section Eight temperature is 132.3 DEG C.
Example two
One or several components for selecting waste and old car tire, light truck tire described in step S1, preferably skeleton and airtight
Layer component；
The ratio of waste and old car tire, light truck tire rubber powder and conventional desulfurization auxiliary agent described in step S2, preferably 100：
10.5；
Eight workspace temperature described in step S2 are specially：First area's temperature is 135.3 DEG C, second area's temperature is
152.6 DEG C, third area temperature be 183.3 DEG C, the 4th area's temperature is 195.5 DEG C, the 5th area's temperature is 205 DEG C, the 6th area's temperature
For 212.3 DEG C, District 7 temperature be 152.6 DEG C, Section Eight temperature is 135.3 DEG C.
The reclaimed rubber parameter comparison of 2 output of embodiment 1 and embodiment：
The above is only a preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (6)
1. the preparation method of a kind of waste and old car tire of high-quality, light truck tire reclaimed rubber, which is characterized in that include the following steps：
S1：After waste and old car tire, light truck tire are decomposed, it is processed as the waste and old car tire of 16-40 mesh, light truck tire rubber powder；
S2：By rubber powder and desulfurizing assistant agent in mass ratio 100：5-20 ratios are mixed and stirred for uniformly；
S3：Plasticized screw extruder is added in the material that step S2 is stirred to be plasticized, obtains the rubber powder after desulfurization；
S4：Rubber powder after desulfurization that step S3 is obtained is plasticated by plasticizing screw extruder, by dropping Mooney, squeezing out and make
Grain weighs, is packaged postcooling storage.
2. the preparation method of a kind of waste and old car tire of high-quality according to claim 1, light truck tire reclaimed rubber, feature exist
In：The screw rod of plasticized screw extruder is divided into eight regions, is followed successively by according to material direction of advance：First area transportation section, for equal
Even conveying material, second area's preheating section, for being preheated to material, third area, the 4th area, the 5th area, the 6th area's desulfurization
Fluxing zone interrupts S -- S, C-S keys in rubber powder by heat chemistry and mechanical shearing effect, and District 7 and Section Eight are homogenizing
Section, for keeping the rubber powder after desulfurization uniform, closely knit, and the rubber powder after cooling desulfurization.
3. the preparation method of a kind of waste and old car tire of high-quality according to claim 2, light truck tire reclaimed rubber, feature exist
In：The temperature setting of each warm area is：First 130~150 DEG C of area's temperature, 150~180 DEG C of second area's temperature, third area temperature 180
~210 DEG C, 180~210 DEG C of the 4th area's temperature, 180~210 DEG C of the 5th area's temperature, 180~210 DEG C of the 6th area's temperature, District 7
150~180 DEG C of temperature, 130~150 DEG C of Section Eight temperature.
4. the preparation method of a kind of waste and old car tire of high-quality according to claim 1, light truck tire reclaimed rubber, feature exist
In：In step S1, waste and old car tire, the tyre surface of light truck tire, sidewall, skeleton, rim of the mouth, inner liner are decomposed respectively, then will be divided
It is one or more in tyre surface, sidewall, skeleton, rim of the mouth, inner liner after solution, coarse crushing, magnetic separation, fine crushing, magnetic separation, mill are carried out successively
Powder, screening obtain the waste and old car tire of 16-40 mesh, light truck tire rubber powder.
5. the preparation method of a kind of waste and old car tire of high-quality according to claim 1, light truck tire reclaimed rubber, feature exist
In：Plasticized screw extruder is single screw extrusion machine.
6. the preparation method of a kind of waste and old car tire of high-quality according to claim 1, light truck tire reclaimed rubber, feature exist
In：Plasticizing screw extruder is double screw extruder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810421848.XA CN108586798A (en) | 2018-05-04 | 2018-05-04 | A kind of preparation method of the waste and old car tire of high-quality, light truck tire reclaimed rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810421848.XA CN108586798A (en) | 2018-05-04 | 2018-05-04 | A kind of preparation method of the waste and old car tire of high-quality, light truck tire reclaimed rubber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108586798A true CN108586798A (en) | 2018-09-28 |
Family
ID=63619879
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810421848.XA Pending CN108586798A (en) | 2018-05-04 | 2018-05-04 | A kind of preparation method of the waste and old car tire of high-quality, light truck tire reclaimed rubber |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010034076A1 (en) * | 2008-09-25 | 2010-04-01 | Shawtec Pty Ltd | Process and apparatus for decomposition of polymer products including those containing sulphur such as vulcanised rubber tyres and recovery of resources therefrom |
| CN202157045U (en) * | 2011-07-22 | 2012-03-07 | 常州大学 | Double-screw rubber devulcanizing device |
| CN103570968A (en) * | 2012-07-27 | 2014-02-12 | 南通回力橡胶有限公司 | Environmentally-friendly high-tenacity tire reclaimed rubber making method, and formula of composition of reclaimed rubber |
| CN104277240A (en) * | 2014-08-06 | 2015-01-14 | 山东舜合胶业有限公司 | Green reclaimed rubber of radial tyre and preparation method of green reclaimed rubber |
-
2018
- 2018-05-04 CN CN201810421848.XA patent/CN108586798A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010034076A1 (en) * | 2008-09-25 | 2010-04-01 | Shawtec Pty Ltd | Process and apparatus for decomposition of polymer products including those containing sulphur such as vulcanised rubber tyres and recovery of resources therefrom |
| CN202157045U (en) * | 2011-07-22 | 2012-03-07 | 常州大学 | Double-screw rubber devulcanizing device |
| CN103570968A (en) * | 2012-07-27 | 2014-02-12 | 南通回力橡胶有限公司 | Environmentally-friendly high-tenacity tire reclaimed rubber making method, and formula of composition of reclaimed rubber |
| CN104277240A (en) * | 2014-08-06 | 2015-01-14 | 山东舜合胶业有限公司 | Green reclaimed rubber of radial tyre and preparation method of green reclaimed rubber |
Non-Patent Citations (3)
| Title |
|---|
| 上海市教育委员会等: "《高分子材料成型加工（第二版）》", 31 August 2005, 中国轻工业出版社 * |
| 国家机械工业局行业管理司等: "《中国机电产品大辞典》", 30 September 1999, 机械工业出版社 * |
| 张旭之等: "《碳四碳五烯烃工学》", 30 April 1998, 化学工业出版社 * |
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