CN203256189U - Low-consumption device for regenerating waste rubber at medium temperature under normal pressure - Google Patents
Low-consumption device for regenerating waste rubber at medium temperature under normal pressure Download PDFInfo
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- CN203256189U CN203256189U CN2013201857041U CN201320185704U CN203256189U CN 203256189 U CN203256189 U CN 203256189U CN 2013201857041 U CN2013201857041 U CN 2013201857041U CN 201320185704 U CN201320185704 U CN 201320185704U CN 203256189 U CN203256189 U CN 203256189U
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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
- Y02P20/10—Process efficiency
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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
- 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 utility model relates to a low-consumption device for regenerating waste rubber at the medium temperature under the normal pressure, belonging to the field of recycling the waste rubber. The device consists of two parts, wherein the first part is a heating reaction kettle, and comprises a tank body, a stirring paddle, a heater, a temperature sensor, a paddle driving motor, a first feeding hole and a first discharge hole; the second part is a cooler, and comprises a barrel, a screw, a cooling flow channel, a screw driving motor, a second feeding hole and a second discharge hole; the discharge hole of the heating reaction kettle is connected with the feeding hole of the cooler by a connecting valve. A regeneration technology process which utilizes the device comprises the following steps of: adding the waste rubber, a softener and an activating agent which are measured into the heating reaction kettle, and carrying out reaction for 15-40min at the temperature of 160-250 DEG C; after that, opening the connecting valve, enabling the mixture to enter the cooler, and carrying out screw conveying for 8-15min; cooling the material to below 80 DEG C. The device is low in manufacturing cost, and environment-friendly and energy-saving in the production process, effectively solves the problem that rubber powder is stuck on the wall in the generating process, and guarantees the products to be stable in quality.
Description
Technical field:
The utility model relates to a kind of new device of waste old desulfurization regeneration, relates in particular to the device of warm low consumption reproducing waste rubber in a kind of normal pressure, belongs to waste old cycling and reutilization field.
Background technology
China is rubber-consumer state the biggest in the world; simultaneously be again that waste rubber the biggest in the world produces state; 2011; China produces 2.5 hundred million junked tires; weight is about 9,000,000 tons; the comprehensive utilization of waste old is the core of rubber industry recycling economy; the desulfurization regeneration waste rubber is the main mode of present China waste rubber cycling and reutilization; China's reclaimed rubber output in 2010 reaches about 3,000,000 tons; this is for reducing the external interdependency of China's rubber sources; save the petrochemical industry resource, protection of the environment is significant.
The reclaimed rubber industry has formed take " the dynamic desulfurization of High Temperature High Pressure " as main desulfurization regeneration technique through for many years development and technological innovation, and meanwhile, " continuous desulfurization of spiral constant-pressure and high-temperature " reclaiming process also is applied to market gradually.Wherein the High Temperature High Pressure dynamic desulfurization is with shoddy, regenerator and water add in the digester together, about operating pressure 2.2MPa, about 220 ℃ of working temperatures, desulfurization time about 3 hours after, the pressure release feeding gets the desulfurization rubber powder, then obtains reclaimed rubber through the refiner compressing tablet, the reclaimed rubber that obtains presents more excellent mechanical property, is widely used.But utilizing this method regenerator is to finish in the long period in High Temperature High Pressure to the infiltration of waste rubber, causes easily rubber powder to glue wall, needs periodic cleaning; And energy consumption is high, has serious potential safety hazard; The use of water inevitably causes the secondary pollution of water; In addition, serious smoke pollution has all limited the development of the dynamic desulfurization of High Temperature High Pressure when discontinuous and pressure release feeding and the refining process of whole production process.
Spiral constant-pressure and high-temperature continuous desulfurization (CN 201670818U: be after by spray equipment regenerator and shoddy being mixed a kind of reclaimed rubber normal-pressure high-temperature continuous desulfurization machine), enter the helix transporting device in the desulfurizing machine, realize the desulfurization regeneration process of waste rubber, desulfurization temperature is up to 320 ℃, and the reaction times is between 15～20min.From the physicals of reclaimed rubber, desulfurizing machine is wanted relative mistake.This is that it is serious that too much the existence of oxygen causes the rubber backbone degraded because the spirane structure of screw machine can't the compacting material on the one hand; Be the disproportionation reaction aggravation that too high temperature of reaction is impelled rubber backbone in sweetening process on the other hand, further reduced the quality of reclaimed rubber.Although this method has been saved the use of water, has solved problem of environmental pollution, the method equipment used manufacturing cost is high, and energy consumption is high, yields poorly.In addition, because the sticking wall problem of the rubber powder that uses spray equipment and high temperature to cause causes unstable product quality.CN 201020142864.3 has announced a kind of production equipment of environmental protection recovered rubber, existing rubber plastic metallization processes has been carried out certain improvement, after waste old and activator and environment protection oil are pre-mixed, enter again the plasticizing apparatus desulfurization regeneration, obtain plastifying rubber powder after the cooling.This has solved the problem of constant product quality to a certain extent, but the problem that equipment cost is high, energy consumption is high, production efficiency is low is still unresolved.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, by a kind of device and method of reproducing waste rubber is provided, to realize the environment protection energy-saving efficient regeneration of waste rubber.
The device of warm low consumption reproducing waste rubber in a kind of normal pressure, it is characterized in that: this device is comprised of two portions, first part is the reacting by heating still, comprises tank body 1, stirring rake 2, well heater 3, temperature sensor 4, blade drive-motor 5, the first material inlet 6, the first material outlet 7; Tank body 1 is provided with temperature sensor 4, the first material inlet 6 and the first material outlet 7; Tank body 1 is provided with the stirring rake 2 that blade drive-motor 5 drives; Tank body 1 peripheral hardware having heaters 3;
Second section is water cooler, comprises cylindrical shell 8, spiral 9, coolant flow channel 10, screw drives motor 11, the second material inlet 12, the second material outlet 13, and cylindrical shell 8 is provided with the second material inlet 12 and the second material outlet 13; Be provided with the spiral 9 that screw drives motor 11 drives in the cylindrical shell 8; The cylindrical shell 8 outer coolant flow channels 10 that are provided with; By connecting valve 14 the first material outlet 7 of reacting by heating still and the second material inlet 12 of water cooler are coupled together.
Carry out the method for warm low consumption reproducing waste rubber in the normal pressure, it is characterized in that: waste rubber, tenderizer and activator are joined together in the tank body 1 of reacting by heating still, wherein the mass ratio of waste rubber and tenderizer, activator is 100:5～25:0.1～3; Close the first material inlet 6, start blade drive-motor 5, record by temperature sensor 4 that temperature is warming up to 160～250 ℃ in the tank, behind reaction 15～40min, open and connect valve 14, make the material in the tank body in 2min, enter cooler cylinder 8 by the first material outlet 7, meanwhile start screw drives motor 11, and make in the coolant flow channel 10 and pass into heat-eliminating medium, after helical feed material 8～15min makes its temperature be cooled to below 80 ℃, can be from the second material outlet 13 feedings, thus a waste rubber regenerative process finished; In addition, after the material in the reacting by heating still enters water cooler, close connection valve 14, open reacting by heating still tank body the first material inlet 6, again continue to feed in raw material, repeat next regenerative process.
Further,
Used well heater is electrically heated or heat-conducting oil heating.
Used water cooler is the series combination of single or multiple lift.
Used waste rubber is with a kind of being advisable in tire tread or carcass shoddy, tailing, scrap rubber footwear, useless ethylene-propylene rubber(EPR), useless silicon rubber, isoprene-isobutylene rubber, the useless paracril.
Used tenderizer is a kind of or several persons' of coal tar, Stockholm tar, Yatall MA, naphthenic oil, kautschin, paraffin oil, oleic acid, rosin mixture preferably; Used activator is a kind of or several persons' of aromatic hydrocarbons disulphide, polyalkylbenzene phenol sulfides, phenyl mercaptan, amino-complex mixture preferably.
Warm low consumption regenerative response device in a kind of normal pressure that the utility model provides is realized the environment protection energy-saving efficient regeneration to waste rubber, and following advantage is compared with prior art arranged:
1) device fabrication cost and maintenance cost are low: the utility model equipment therefor is the synthesis under normal pressure container, need not traditional special high pressure resistant material, greatly reduces material cost; Using method of the present utility model finishes in the short period in middle temperature, sticking wall " slagging scorification " phenomenon of the rubber powder of effectively having avoided the dynamic desulfurization of High Temperature High Pressure and the desulfurization of spiral high-temperature pressure to occur, greatly reduce clearing times, not only improved constant product quality, and guaranteed production efficiency.
2) whole regenerative process is carried out under atmospheric pressure environment, has guaranteed the security of producing.
3) the desulfurization regeneration process is environment friendly and pollution-free: need not on the one hand the use of water, the secondarily polluted water of having avoided traditional desulfurization regeneration method to cause; On the other hand, whole regenerative process, the discharge of non-volatile gas, protection of the environment are all finished in cooling in airtight continuous device from the reacting by heating to the post drop.
4) energy consumption is low: blade drive-motor and screw drives motor power demand that the utility model is used are all less, and the production process energy consumption is low.
5) efficient is high: the method recovery time of using the utility model reproducing waste rubber is short, and after material enters water cooler by the reacting by heating still, can continue to feed in raw material, thereby can realize a kind of step continuity operation, has greatly improved production efficiency.Press thermal regeneration time 30min, the 500kg that at every turn feeds in raw material, output can reach 1 ton/hour.
In addition, utilize method of the present utility model, technical process is simple, less investment, and instant effect, gained reconstituted product steady quality, excellent performance has met or exceeded national reclaimed rubber standard (GB/T 13460-2008), has widely industrial prospect.
Description of drawings
The apparatus structure synoptic diagram of warm low consumption reproducing waste rubber in 1 one kinds of normal pressures of accompanying drawing.
Among the figure, 1 tank body, 2 stirring rakes, 3 well heaters, 4 temperature sensors, 5 blade drive-motor, 6 first material inlets, 7 first material outlets, 8 cylindrical shells, 9 spirals, 10 coolant flow channels, 11 screw drives motors, 12 second material inlets, 13 second material outlets, 14 connect valve.
Embodiment
The device of warm low consumption reproducing waste rubber in a kind of normal pressure, it is characterized in that: this device is comprised of two portions, first part is the reacting by heating still, comprises tank body 1, stirring rake 2, well heater 3, temperature sensor 4, blade drive-motor 5, the first material inlet 6, the first material outlet 7; Tank body 1 is provided with temperature sensor 4, the first material inlet 6 and the first material outlet 7; Tank body 1 is provided with the stirring rake 2 that blade drive-motor 5 drives; Tank body 1 peripheral hardware having heaters 3;
Second section is water cooler, comprises cylindrical shell 8, spiral 9, coolant flow channel 10, screw drives motor 11, the second material inlet 12, the second material outlet 13, and cylindrical shell 8 is provided with the second material inlet 12 and the second material outlet 13; Be provided with the spiral 9 that screw drives motor 11 drives in the cylindrical shell 8; The cylindrical shell 8 outer coolant flow channels 10 that are provided with; By connecting valve 14 the first material outlet 7 of reacting by heating still and the second material inlet 12 of water cooler are coupled together.
Below in conjunction with embodiment the utility model is further described:
Embodiment 1: with 100 parts of 18 order tire tread shoddies, 10 parts of Stockholm tars and 2,0.1 part of 2 '-curing (6-tertiary butyl Pyrogentisinic Acid) joins reacting by heating still tank body 1(tank diameter=100cm together, in the length-to-diameter ratio=6:1), close the first material inlet 6, starting blade drive-motor 5 makes it drive stirring rake 2 stirring materials, by electrically heated 3 heating tank bodies material is heated up, recorded by temperature sensor 4 that temperature rises to 200 ℃ in the tank, after continuing reaction 20min, open and connect valve 14, make the material in the tank body in 2min, be entered the cooler cylinder 8 of two-layer series connection by the first material outlet 7, meanwhile start screw drives motor 11, and make in the coolant flow channel 10 and pass into heat-eliminating medium, helical feed material 10min makes its temperature be cooled to 60 ℃, can be from the second material outlet 13 feedings, thus a waste rubber regenerative process finished; In addition, after the material in the reacting by heating still enters water cooler, close connection valve 14, open reacting by heating still tank body the first material inlet 6, again continue to feed in raw material by above-mentioned prescription, carry out next regenerative process.In the 1 ton of shoddy of regenerating, utilize the contrast of device and method required time of the present utility model and energy consumption and conventional regeneration method to see Table 1.
1 ton of shoddy required time of the different renovation process desulfurization of table 1. and energy consumption comparison
Gained reclaimed rubber performance is as follows: ash content=7.0%, acetone extract=10.5%, mooney viscosity ML100 ℃ of (1+4min)=88; According to the sulfuration of GB/T 13460-2008 reclaimed rubber revulcanization prescription, the gained mechanical property of vulcanized rubber is as follows: tensile strength=15.2Mpa, tensile yield=480%.
The superfine A1 standard of country: ash content≤10%, acetone extract≤18%, mooney viscosity ML100 ℃ of (1+4min)≤95, tensile strength 〉=14.0Mpa, tensile yield 〉=420%.
Embodiment 2: 100 parts in ethylene-propylene rubber(EPR) will give up, 10 parts of naphthenic oils, 3 parts of 15 parts of paraffin oils and n-Butyl Amine 99s join reacting by heating still tank body 1(tank diameter=100cm together, in the length-to-diameter ratio=6:1), close the first material inlet 6, starting blade drive-motor 5 makes it drive stirring rake 2 stirring materials, by electrically heated 3 heating tank bodies material is heated up, recorded by temperature sensor 4 that temperature rises to 250 ℃ in the tank, after continuing reaction 40min, open and connect valve 14, make the interior material of tank body in 2min, be entered the cooler cylinder 8 of individual layer by the first material outlet 7, meanwhile start screw drives motor 11, and make in the coolant flow channel 10 and pass into heat-eliminating medium, helical feed material 12min makes its temperature be cooled to 75 ℃, can be from the second material outlet 13 feeding, thus finish a waste rubber regenerative process; In addition, after the material in the reacting by heating still enters water cooler, close connection valve 14, open reacting by heating still tank body the first material inlet 6, again continue to feed in raw material by above-mentioned prescription, carry out next regenerative process.Gained reclaimed rubber performance is as follows: ash content=11.8%, acetone extract=21.5%, mooney viscosity ML100 ℃ of (1+4min)=42; According to the sulfuration of GB/T 13460-2008 revulcanization prescription, the gained mechanical property of vulcanized rubber is as follows: tensile strength=7.9Mpa, tensile yield=340%.
Second the third reclaimed rubber national standard: ash content≤20%, acetone extract≤30%, mooney viscosity ML100 ℃ of (1+4min)≤65, tensile strength 〉=5.5Mpa, tensile yield 〉=260%.
Embodiment 3: with 100 parts of waste butyl rubbers, 2.0 parts of 5 parts of rosin and hexadecylamines join reacting by heating still tank body 1(tank diameter=100cm together, in the length-to-diameter ratio=6:1), close the first material inlet 6, starting blade drive-motor 5 makes it drive stirring rake 2 stirring materials, by electrically heated 3 heating tank bodies material is heated up, recorded by temperature sensor 4 that temperature rises to 160 ℃ in the tank, after continuing reaction 15min, open and connect valve 14, make the material in the tank body in 2min, be entered the cooler cylinder 8 of two-layer series connection by the first material outlet 7, meanwhile start screw drives motor 11, and make in the coolant flow channel 10 and pass into heat-eliminating medium, helical feed material 8min makes its temperature be cooled to 50 ℃, can be from the second material outlet 13 feeding, thus finish a waste rubber regenerative process; In addition, after the material in the reacting by heating still enters water cooler, close connection valve 14, open reacting by heating still tank body the first material inlet 6, again continue to feed in raw material by above-mentioned prescription, carry out next regenerative process.Gained reclaimed rubber performance is as follows: ash content=6.0%, acetone extract=9.2%, mooney viscosity ML100 ℃ of (1+4min)=50; According to the sulfuration of GB/T 13460-2008 reclaimed rubber revulcanization prescription, it is as follows to get mechanical property of vulcanized rubber: tensile strength=8.5Mpa, tensile yield=510%, gas-barrier coefficient 1.24.
Butyl reclaimed rubber national standard: ash content≤10%, acetone extract≤15%, mooney viscosity ML100 ℃ of (1+4min)≤70, tensile strength 〉=6.8Mpa, tensile yield 〉=460%; Original sizing material gas-barrier coefficient is 1.28.
Embodiment 4: with 100 parts of 18 order tire tread shoddies, 5 parts of kautschins and 2,0.5 part of 2 '-curing (6-tertiary butyl Pyrogentisinic Acid) joins reacting by heating still tank body 1(tank diameter=100cm together, in the length-to-diameter ratio=6:1), close the first material inlet 6, starting blade drive-motor 5 makes it drive stirring rake 2 stirring materials, by electrically heated 3 heating tank bodies material is heated up, recorded by temperature sensor 4 that temperature rises to 220 ℃ in the tank, after continuing reaction 30min, open and connect valve 14, make the material in the tank body in 2min, be entered the cooler cylinder 8 of two-layer series connection by the first material outlet 7, meanwhile start screw drives motor 11, and make in the coolant flow channel 10 and pass into heat-eliminating medium, helical feed material 8min makes its temperature be cooled to 80 ℃, can be from the second material outlet 13 feedings, thus a waste rubber regenerative process finished; In addition, after the material in the reacting by heating still enters water cooler, close connection valve 14, open reacting by heating still tank body the first material inlet 6, again continue to feed in raw material by above-mentioned prescription, carry out next regenerative process.Gained reclaimed rubber performance is as follows: ash content=7.2%, acetone extract=9.5%, mooney viscosity ML100 ℃ of (1+4min)=90; According to the sulfuration of GB/T 13460-2008 reclaimed rubber revulcanization prescription, the gained mechanical property of vulcanized rubber is as follows: tensile strength=14.5 Mpa, tensile yield=430%.
The superfine A1 standard of country: ash content≤10%, acetone extract≤18%, mooney viscosity ML100 ℃ of (1+4min)≤95, tensile strength 〉=14.0Mpa, tensile yield 〉=420%.
In the above embodiment and described in Fig. 1, only in order to an example of the present utility model to be described, and and the described technical scheme of unrestricted the utility model; Therefore, although the utility model is had been described in detail with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the utility model; And all do not break away from technical scheme and the improvement thereof of the protection domain that the utility model proposes, and it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (3)
1. the device of warm low consumption reproducing waste rubber in the normal pressure, it is characterized in that: this device is comprised of two portions, first part is the reacting by heating still, comprises tank body (1), stirring rake (2), well heater (3), temperature sensor (4), blade drive-motor (5), the first material inlet (6), the first material outlet (7); Tank body (1) is provided with temperature sensor (4), the first material inlet (6) and the first material outlet (7); Tank body (1) is provided with the stirring rake (2) that blade drive-motor (5) drives; Tank body (1) peripheral hardware having heaters (3);
Second section is water cooler, comprise cylindrical shell (8), spiral (9), coolant flow channel (10), screw drives motor (11), the second material inlet (12), the second material outlet (13), cylindrical shell (8) is provided with the second material inlet (12) and the second material outlet (13); Be provided with the spiral (9) that screw drives motor (11) drives in the cylindrical shell (8); The outer coolant flow channel (10) that is provided with of cylindrical shell (8); By connecting valve (14) first material outlet (7) of reacting by heating still and second material inlet (12) of water cooler are coupled together.
2. device as claimed in claim 1 is characterized in that used well heater (3) is electrically heated or heat-conducting oil heating.
3. device as claimed in claim 1 is characterized in that used water cooler is the series combination of single or multiple lift.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201857041U CN203256189U (en) | 2013-04-14 | 2013-04-14 | Low-consumption device for regenerating waste rubber at medium temperature under normal pressure |
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| CN2013201857041U CN203256189U (en) | 2013-04-14 | 2013-04-14 | Low-consumption device for regenerating waste rubber at medium temperature under normal pressure |
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| CN203256189U true CN203256189U (en) | 2013-10-30 |
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| CN2013201857041U Expired - Lifetime CN203256189U (en) | 2013-04-14 | 2013-04-14 | Low-consumption device for regenerating waste rubber at medium temperature under normal pressure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112778574A (en) * | 2020-12-17 | 2021-05-11 | 青岛科技大学 | Small test equipment and process for simulating normal-pressure continuous regeneration of waste tire rubber powder |
| CN115746394A (en) * | 2022-10-25 | 2023-03-07 | 焦作市三泰机械制造安装有限公司 | Device and method for regenerating topological allosteric regenerated rubber from waste rubber products under normal pressure |
-
2013
- 2013-04-14 CN CN2013201857041U patent/CN203256189U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112778574A (en) * | 2020-12-17 | 2021-05-11 | 青岛科技大学 | Small test equipment and process for simulating normal-pressure continuous regeneration of waste tire rubber powder |
| CN112778574B (en) * | 2020-12-17 | 2022-07-05 | 青岛科技大学 | Small test equipment and process for simulating normal-pressure continuous regeneration of waste tire rubber powder |
| CN115746394A (en) * | 2022-10-25 | 2023-03-07 | 焦作市三泰机械制造安装有限公司 | Device and method for regenerating topological allosteric regenerated rubber from waste rubber products under normal pressure |
| CN115746394B (en) * | 2022-10-25 | 2023-09-26 | 焦作市三泰机械制造安装有限公司 | Device and method for regenerating topological allosteric reclaimed rubber by using waste rubber products under normal pressure |
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| C14 | Grant of patent or utility model | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20131030 |