CN1203849A - Waste tyre cutting treatment and using method - Google Patents
Waste tyre cutting treatment and using method Download PDFInfo
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- CN1203849A CN1203849A CN 97111088 CN97111088A CN1203849A CN 1203849 A CN1203849 A CN 1203849A CN 97111088 CN97111088 CN 97111088 CN 97111088 A CN97111088 A CN 97111088A CN 1203849 A CN1203849 A CN 1203849A
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- tire
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- damaged tire
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Abstract
The comprehensive utilization of waste tire is characterized by that the waste tire is cut into several portions of tire ring, tire face rubber, tire side, tire top and cord tire fabric by means of mechanical method, then each portion of them is respectively treated, and respectively made into intermediate products, such as waste steel wire, short fibre, waste rubber powder, active rubber powder and cord fabric layer which can be used as regeneration raw material for making other rubber products. Said invention is low in cost, can be extensively used in the field of rubber regeneration technology.
Description
The invention belongs to damaged tire processing and utilizing technology field, relate to the division processing method of damaged tire and utilize technology.
At present, the increase of damaged tire has made China form 700,000 tons scrap rubber amount every year approximately, but also is increasing year by year.Therefore the treatment technology of damaged tire and scrap rubber has just become the current problem that presses for solution.Chinese patent CN1069498A disclosed " waste old tailing direct desulfurization method of reproduction ", CN1084116A disclosed " manufacture methods of toughened rubber and goods thereof " and CN1086229A disclosed " preparation method of fine particle regenerated rubber " etc. inventions, though processing intent and products obtained therefrom are different, but processing method is similar, promptly mainly be under the condition that adds regenerative agent, realize regeneration by technical process such as the dynamic desulfurization of high temperature, activation, heat refinings.CN1097794A disclosed " a kind of scrap tire rubber cracking technology " allows rubbery chip at cracker with have under the condition that catalyst exists, and directly changes scrap rubber into combustion gas, fuel oil, carbon black etc.Yet from handling thinking and basic skills, above-mentioned two kinds of situations have a common ground, be that they all mainly are to adopt the Chemical Engineering method to realize regeneration, and to utilize maximum be the high parts of gel content such as the tread rubber of damaged tire and leftover pieces, and be that the part of gel content relatively low (accounting for 45%) is utilized lessly to the damaged tire skeleton, utilization had both just been arranged, also must pass through large-scale fragmentation, cracker, this just will bring the production cost height, energy consumption is big, technology is numerous and diverse and produce waste water and gas causes shortcomings such as environmental pollution.
The new method that the purpose of this invention is to provide a kind of processing and utilizing damaged tire, it mainly is to adopt mechanical engineering technology, with damaged tire damaged tire skeleton dividing processing processing and utilization particularly, the damaged tire whole body is turned waste into wealth.
Technical solution of the present invention is: with mechanical means dividing processing damaged tire, comprise the cutting tyre bead, peel off step such as tread rubber, it is characterized in that it also contains segmentation process to the damaged tire skeleton of remainder: at first be cutting two sidewalls, the disconnection of tire collar being stretched is a belt strip again, rebuilding belt strip then makes it straight, neat in edge, last layering cuts into the sheet cord strip.
The so-called layering cutting in front is to be standard with the cord ply, according to the purposes of cutting the back material, can a cord ply be an incised layer, can several cord plys be an incised layer also.
Adopt the material that preceding method is cut apart the back gained after handling again, can get various products, comprise and from tyre bead, extract the steel scrap silk, produce reclaimed rubber or activated rubber powder etc. with tread rubber and tyre bead glue.Characteristics of the present invention are: it can also utilize damaged tire side and leftover pieces etc. to produce shoddy and short fiber; Produce casing ply etc. with cord strip.
Foregoing various processing method, its technical process is as follows: the method step with production shoddy such as sidewall and leftover pieces and short fiber is: material after coarse crushing-removal of impurities-in small, broken bits-selection by winnowing is separated finished product; The method step of producing casing ply with cord strip is: material through washing-do back impregnation-confession dried-go out finished product behind the spooling.
The product that adopts preceding method to obtain is intermediate products, can be used as the reclaimed materials of other rubber product, wherein shoddy can be produced activated rubber powder etc., short fiber can replace canvas to be used for making sebific duct etc., the utilization of casing ply beyond example still particularly, it can directly be used for producing light-duty conveyer belt or annular driving band and attract sebific duct etc.
Show after testing: with the intermediate products that the present invention obtains, its technical indicator is respectively: casing ply interlayer Nian Jieli ﹠amp; #622.0kg/5cm; The short fiber draw ratio is 1: 150-300 contains shoddy Liang ﹠amp; #6010%; Shoddy order number can reach 60 orders.
The present invention compared with prior art has following advantage and marked improvement:
1, damaged tire is not useless, and it is precious that whole body becomes.Past people is to the utilization of damaged tire, be the part of utilizing gel content higher mostly, tread rubber tyre bead glue etc. for example, and to its skeleton, except that there being some sidewalls to do tyre rebuilding lift or the punching press sole, all the other are almost all given it up, and the present invention found the damaged tire skeleton utilize method and approach, make the tire whole body comprise that nowhere tread rubber, tyre bead, sidewall, tire top and leftover pieces etc. come into disuse, and all make it obtain regeneration.
2, twice laid, remarkable benefit.Facts have proved, the intermediate products that adopt the present invention to obtain, its economic benefit is very considerable, is example with a 900-20 type damaged tire, can get horse mouth steel wire 2kg, pells 21kg, short fiber 4.4 kg, casing ply (containing a cord ply) 3m
2, 109.20 yuan of total values are deducted wages, depreciation, power, administrative expenses etc., and the net income tax can get 67.85 yuan.
In addition, some intermediate products wherein replace existing raw material to produce other rubber product, and its indirect economic effect also is appreciable, for example use casing ply (containing a cord ply) to replace canvas to produce sebific duct, and a damaged tire can be saved canvas 3m
2, economize on the use of funds 14.10 yuan; And for example, produce sebific duct with short fiber, with 3 inches pipes is example, original structure is 5.93 yuan with the every mark rice glue of canvas pipe cost, and produce every mark rice glue pipe cost with short fiber is 4.74 yuan, economize on the use of funds 1.19 yuan, and the short fiber of a damaged tire production can be produced 16.67 standard meter sebific ducts, add up to and economize on the use of funds 19.84 yuan, or the like.And tread rubber, tyre bead glue and shoddy etc. are produced the regeneration activating rubber powder, deep processing once again replaces rubber to use, and then can appreciate once again.
3, technology is simple, with low cost, improves environment, is beneficial to and applies.No matter the present invention is the cutting damaged tire, still the material after processing is cut apart is until making intermediate products, and further utilize and develop other products, its process mainly all utilizes mechanical technique to finish, in the prior art, need increase new equipment and new auxiliary material hardly, promptly utilize existing equipment and process conditions can realize production process, go out qualified products.The invention belongs to twice laid, so cost is low, small investment, and both handled refuse and improved environment produces new environmental pollution again hardly in addition, thereby very is beneficial to and applies.
Now in conjunction with the embodiments the present invention is elaborated down.
Embodiment 1, cuts apart damaged tire.At first carry out the damaged tire inspection, remove nail, sand and foreign material on the carcass, cut away tyre bead with bead cutter then, cut the sidewall thereupon, then peel off tread rubber with tread stripping machine, the back disconnects the tire collar and it is stretched be a belt strip, make it straight neat after trimming again, at last with sheet cutting mill layering cutting, promptly being standard with the cord ply, according to the purposes of cutting the back material, can be that a cord ply is an incised layer, also can be that several on line layers are an incised layer, depend on the needs.So far a damaged tire one is divided into four, promptly tyre bead, sidewall, tread rubber and tire collar and cut apart again and cord strip four parts.
Embodiment 2, handle the material of cutting apart.A, from tyre bead, extract the steel scrap silk; B, the damaged tire side is carried out coarse crushing after cutting machine cuts again, handle through removal of impurities then and go up ultrafine pulverizing unit again and carry out in small, broken bitsly, reenter the winnowing machine selection by winnowing after in small, broken bits, at this moment, winnowing machine is separated shoddy and short fiber, obtains its two kinds of intermediate products simultaneously; C, tread rubber and tyre bead glue are gone into the cutting machine cutting, reenter the rubber tapping machine and carry out coarse crushing, then after removal of impurities is handled, go up the ultrafine pulverizer again and carry out in small, broken bitsly, can add shoddy one thereafter and incorporate activation pot into and activate.Add activator in the activation pot, under 150 ℃ temperature, stir, kept 2.5 hours, activated rubber powder in the middle of promptly producing after it is fully contacted; D, the cord strip that sheet is slit into wash with gasoline, treat that putting into cement dipping machine behind the gasoline volatilization carries out impregnation, thereafter by the drying baker oven dry, then go up the spooling machine and twine rolling and be casing ply.After above-mentioned PROCESS FOR TREATMENT, get steel scrap silk and short fiber, shoddy, activated rubber powder, several intermediate products such as casing ply, they can be used as the reclaimed materials of other rubber product.
Above-mentioned a, b, c, d processing procedure also can be implemented separately.
Embodiment 3, the utilization of casing ply.A, with the casing ply that a cord ply is an incised layer, can replace canvas production to attract sebific duct; B, with two layers or three layers of casing ply that cord ply is an incised layer, can be used for producing light-duty conveyer belt; C, be that the casing ply of an incised layer can be used for producing annular driving band with the multilayer cord ply.Facts have proved that the various products that make all meet corresponding product standard.
Above-mentioned a, b, c utilize method to implement separately.
The manufacturing technology field that the present invention can be widely used in tire waste disposal utilization and rubber regeneration technical field and attract products such as sebific duct, conveyer belt, driving-belt.
Claims (6)
1, a kind of damaged tire dividing method, comprise the cutting tyre bead, peel off step such as tread rubber, it is characterized in that, it also contains the cutting procedure again to the damaged tire skeleton of remainder: at first cut two sidewalls, and then the tire collar disconnected to stretch be a belt strip, rebuild belt strip again and make it straight, be divided into the sheet cord strip at last.
2, method according to claim 1 is characterized in that said layering cutting, is to be standard with the cord ply, can one or several cord plys be that an incised layer is cut.
3, method according to claim 1 and 2 and the processing method of the material that obtains, comprise and from tyre bead, extract the steel scrap silk, produce reclaimed rubber or activated rubber powder etc. with tread rubber and tyre bead glue etc., it is characterized in that: it utilizes damaged tire side and leftover pieces etc. to produce shoddy and short fiber in addition, produces approach such as casing ply with cord strip.
4, method according to claim 3, it is characterized in that said as follows with the method step of production shoddies such as leftover pieces and short fiber with the sidewall: material separates-goes out finished product through coarse crushing-removal of impurities-in small, broken bits-selection by winnowing.
5, method according to claim 3 is characterized in that said to produce the method step of casing ply with cord strip as follows: material washing-impregnation-oven dry-spooling-go out finished product.
6, the casing ply that obtains according to the described method of claim 5 utilize method, it is characterized in that: it can be as producing light-duty conveyer belt, perhaps annular driving band perhaps attracts the raw material of sebific duct etc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97111088 CN1203849A (en) | 1997-06-28 | 1997-06-28 | Waste tyre cutting treatment and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97111088 CN1203849A (en) | 1997-06-28 | 1997-06-28 | Waste tyre cutting treatment and using method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1203849A true CN1203849A (en) | 1999-01-06 |
Family
ID=5171651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97111088 Pending CN1203849A (en) | 1997-06-28 | 1997-06-28 | Waste tyre cutting treatment and using method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1203849A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170494A (en) * | 2013-04-17 | 2013-06-26 | 秦华 | Preparation method of steel wire in waste rubber tire of car and application thereof in chemical engineering and pharmacy |
| CN111483081A (en) * | 2020-06-19 | 2020-08-04 | 遵义永航再生资源利用有限公司 | Method for recycling and processing automobile scrap tires |
| CN113352506A (en) * | 2021-06-22 | 2021-09-07 | 邵阳市黑宝石再生资源有限公司 | Method for producing rubber powder by using waste tires, rubber powder and regenerated product thereof |
-
1997
- 1997-06-28 CN CN 97111088 patent/CN1203849A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170494A (en) * | 2013-04-17 | 2013-06-26 | 秦华 | Preparation method of steel wire in waste rubber tire of car and application thereof in chemical engineering and pharmacy |
| CN111483081A (en) * | 2020-06-19 | 2020-08-04 | 遵义永航再生资源利用有限公司 | Method for recycling and processing automobile scrap tires |
| CN113352506A (en) * | 2021-06-22 | 2021-09-07 | 邵阳市黑宝石再生资源有限公司 | Method for producing rubber powder by using waste tires, rubber powder and regenerated product thereof |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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