CN103408790B - Intelligent environment-friendly constant-pressure medium-temperature fast rubber plasticizing unit - Google Patents
Intelligent environment-friendly constant-pressure medium-temperature fast rubber plasticizing unit Download PDFInfo
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- CN103408790B CN103408790B CN201310248883.3A CN201310248883A CN103408790B CN 103408790 B CN103408790 B CN 103408790B CN 201310248883 A CN201310248883 A CN 201310248883A CN 103408790 B CN103408790 B CN 103408790B
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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 invention discloses an intelligent environment-friendly constant-pressure medium-temperature fast rubber plasticizing unit, wherein the outlet of a pre-treatment tank is connected with an airtight storage tank installed on a frame, the outlet of the airtight storage tank connected with a vacuum feeding device driven by a motor is connected with a feed inlet of a waste rubber friction plasticizing reaction kettle through an airtight feeding valve, heating oil is arranged in an interlayer of the tank body of the reaction kettle, the material outlet of the reaction kettle is connected with a cooling tank through the airtight feeding valve, and air outlets uniformly distributed on the upper tank body of the cooling tank are respectively connected with a first-level exhaust treatment tank and a second-level exhaust treatment tank. The outlet at the top of the first-level exhaust treatment tank is connected with the inlet of the side wall of the second-level exhaust treatment tank through a pipeline, the outlet of the second-level exhaust treatment tank is connected with a third-level exhaust treatment tank, and the material outlet at the lower part of the cooling tank is connected with a cooling screw conveyer through the airtight feeding valve. Regenerated rubber is produced in a totally airtight condition in a dry state without wastewater and exhaust gas, so that the unit is high in production efficiency, energy-saving and environment-friendly.
Description
Technical field
The invention belongs to temperature rubber plasticizing unit fast in the equipment, particularly a kind of Intelligent environment-friendlyconstant-pressure normal pressure producing regenerated rubber.
Background technology
China's dynamic method that some enterprise adopts at present produces regenerated rubber, although can produce high-quality reclaimed rubber, temperature is high, pressure is high, energy consumption is high, and have large quantity of exhaust gas to discharge, can produce secondary pollution, pressure height is dangerous again.The normal pressure plasticizing method that recent years uses, although solve high-voltage problem to there is unstable product quality, Mooney bounce-back is fast, reclaimed rubber hardens, and processing performance is bad, and needs high temperature, energy consumption is higher to yield poorly, and equipment manufacturing is delayed, can not adapt to the requirement of novel process.Normal pressure plasticizing method is also known as spiral method, and this production method is through short time high temperature and makes its plasticizing of degrading, and waste rubber is regenerated.And the maximum advantage of spiral method is normal pressure but also has a small amount of waste gas.Such as, but China's spiral method at present, be that simple helix or duplex all exist such-and-such problem in practical application, it is serious that simple helix glues spiral problem.No matter be simple helix or duplex unstable product quality problem; Plasticization temperature is high, and reach 270 DEG C-330 DEG C, energy consumption is high, although produce reclaimed rubber; But production temperature is high, and energy consumption is high, have a small amount of exhaust gas emission, unstable product quality, production efficiency is low.
Summary of the invention
The object of the present invention is to provide temperature rubber plasticizing unit fast in a kind of Intelligent environment-friendlyconstant-pressure normal pressure, regenerated rubber is produced under totally-enclosed condition, normal pressure, middle temperature, dry state is adopted to produce, produce without waste water, waste gas, production efficiency is high, energy-saving and environmental protection, reduce labour intensity, improve production environment.
The object of the invention is to produce like this: temperature rubber plasticizing unit fast in a kind of Intelligent environment-friendlyconstant-pressure normal pressure, the outlet of sizing material pre-treatment tank bottom is connected to the sealing storage tank that frame is installed by material loading suction pipe, the sealing storage tank that motor-driven vacuum charging device connects, its outlet is connected to the opening for feed of waste rubber friction plastication still by sealing baiting valve, the agitator with horizontal blade and upstanding fins is set in reactor, in the tank body interlayer of reactor, heated oil is set, the discharge port of reactor is connected to the import of cooling tank by sealing baiting valve, the air outlet that the tank body on the top of cooling tank is uniform respectively connected one-level, secondary off gas treatment tank, wherein the outlet of one-level off gas treatment tank top is connected in the import below secondary off gas treatment pot sidewall by pipeline, the outlet of secondary off gas treatment tank is connected to three grades of off gas treatment tanks, the discharge port of cooling tank bottom is connected to cooling spiral transfer roller by sealing baiting valve.
The present invention is made up of five parts: first part is that intelligent control part adopts PLC technology, all round process time variable control, second section automatical feeding system, adopts negative-pressure pneumatic conveying technology, totally-enclosed, automatic charging, automatic gauge, automatic discharging.
Part III: waste rubber, plastication still totally 2, there is the agitator of horizontal blade and upstanding fins, be responsible for the sizing material water conservancy diversion of reactor inward turning biography and change rubber powder movement locus, reactor drive-motor is responsible for the stirring of reactor sizing material, plays the effect of mixed friction heat-dissipating.Sealing emptying door (hot gluse size plastified is put into cooling tank).Thermopair amounts to four.Be positioned over the reactor left and right sides respectively; Measure oil temperature for two, measure sizing material temperature for two.
Part IV: off gas treatment part: off gas treatment tank is arranged on the top of cooling tank, the end opening of off gas treatment tank is connected with cooling tank upper opening.Have flange seal to fix, waste gas during reactor discharge is entered in off gas treatment tank by the opening of two above cooling tank.Totally three, off gas treatment tank, is divided into tertiary treatment.
Part V: cooling system: rubber powder cooling tank.Cooling tank agitator motor, cooling tank body is the cooling of interlayer multiloop water cycle.By motor, hot gluse size is stirred cooling, sealing blanking valve, enters cooling spiral transfer roller by the sizing material cooled by this valve.This cooling conveyor screw is also the cooling of interlayer multiloop, by cooling spiral drive-motor, the sizing material cooled further is transported to discharge port and discharges outside worm conveyor.
Innovative point of the present invention is:
1, realize reclaimed rubber environmental protection dry state to produce fast
Traditional reclaimed rubber is produced and is all be unable to do without water, no matter is water/oil method, or dynamic method, and pyroprocess, all needs to add water, utilize water as heat-transfer medium in desulfurization.We adopt thermal source direct radiation, do not add water, under dry conditions, complete plasticizing, waste water, secondary exhaust gas pollution problem is solved from production process, the mutual self-friction heat-dissipating of rubber powder fast rotational in reactor accelerates plasticizing rate in addition, reduces energy consumption, improves the quality of products.
2, realize normal pressure, middle temperature is produced
Dynamic method digester plasticizing needs 210 degree to 225 degree, High Temperature High Pressure plasticizing method 240 degree to 254 degree, spiral method 270 degree of-330 degree, we are through hundreds of time repetition test, best " plasticizing " point is selected to make regeneration temperature control at 160 degree of-210 degree, avoid temperature too high, easily aging, incipient scorch phenomenon.
3, innovate and optimize on formula
Regenerating waste or used rubber be unable to do without tenderizer, and in order to improve the quality of reclaimed rubber, tenderizer consumption is fewer, and rubber hydrocarbon content is higher.Quality product is better, and how ensureing to allow under the condition that plastifies completely, reducing tenderizer consumption, is the key of plasticizing process.High pressure dynamic method tenderizer consumption 18%-20%, spiral plasticizing method tenderizer consumption 24%-28%, we are by repetition test, and tenderizer consumption is reduced to 8-13%.Not only improve quality product but also reduce manufacturing cost.
4, whole production process realizes Automated condtrol
Information technology application with production, to the omnidistance PLC Automated condtrol of whole production process, is carried out data analysis and process by the present invention, improve intelligent level, whole process realizes automated operation, and every ten thousand tons of unit split runs produce only 2 people, namely reduce employee, reduce labour intensity, reduce cost of labor.
The present invention is compared with dynamic method, spiral method, and tool has the following advantages:
(1) solving high temperature high energy consumption sizing material and glue spiral problem, is a new invention.
(2) guarantee quality product, be that the reclaimed rubber quality that full tire rubber powder is produced all reaches national gold standard particularly reclaimed rubber processing performance is good, between mooney viscosity 55-65, (any adjustment can be required according to user).
(3) adopt thermal source direct radiation, add rubber powder self-friction heat-dissipating, change traditional method, compared with water, vapour phase-change thermal energy conversion consumption and spiral method, reclaimed rubber per ton energy-conservation more than 20%.
(4) be that reclaimed rubber is produced under totally enclosed condition, adopt normal pressure, middle temperature dry state to produce, produce without waste water, waste gas, realize low-carbon (LC) manufacture, cleanly production completely.
(5) produce under normal pressure, medium temperature condition, avoid the potential safety hazard produced under elevated pressure conditions, realize safety in production.
(6) compared with dynamic method, save the input of boiler, vapour generator, exhaust gas cleaner, pipeline, compared with spiral method, can save energy more than 20%, solve sticky spiral problem.
(7) reduce tenderizer consumption, can reduce 40%-60%, reclaimed rubber cost per ton reduces about 210 yuan.
(8) production efficiency is high, and day output has 30 tons, 60 tons, 90 tons and 120 tons of four kinds of specifications, be dynamic method, spiral method 3-4 doubly.
(9) raw tea under whole-process automatic control condition, informationization technology application and production, reduce artificial, reduce labour intensity, improve production environment.
Present invention achieves and regenerated rubber is produced under totally-enclosed condition, adopt normal pressure, middle temperature, dry state to produce, produce without waste water, waste gas, production efficiency is high, energy-saving and environmental protection, reduces labour intensity, improves production environment.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention will be further described, and Fig. 1 is structural representation of the present invention.
Embodiment
Temperature rubber plasticizing unit fast in a kind of Intelligent environment-friendlyconstant-pressure normal pressure, as shown in Figure 1, the outlet of sizing material pre-treatment tank 1 bottom is connected to the sealing storage tank 11 that frame is installed by material loading suction pipe 2, the sealing storage tank 11 that motor-driven vacuum charging device 9 connects, its outlet is connected to the opening for feed of waste rubber friction plastication still 5 by sealing baiting valve 8, the agitator with horizontal blade 12 and upstanding fins 6 is set in reactor 5, in the tank body interlayer of reactor 5, heated oil is set, the discharge port of reactor 5 is connected to the import of cooling tank 17 by sealing baiting valve, the air outlet that the tank body on the top of cooling tank 17 is uniform respectively connected one-level, secondary off gas treatment tank 13, 15, wherein the outlet at one-level off gas treatment tank 13 top is connected in the import below secondary off gas treatment tank 15 sidewall by pipeline, the outlet of secondary off gas treatment tank 15 is connected to three grades of off gas treatment tanks 14, the discharge port of cooling tank 17 bottom is connected to cooling spiral transfer roller 19 by sealing baiting valve.The structure of reactor 5 agitator is arrange to match and radially uniform horizontal blade 12 with tank body end face inwall on the main shaft being positioned at tank body, annulus periphery is connected in the outer end of horizontal blade 12, the main shaft being positioned at tank body is connected to by the radial support arm of uniform one-tenth the upstanding fins 6 matched with inner tank wall, the upper end of upstanding fins 6 is connected with annulus periphery, arranging inside the upstanding fins 6 of support arm side with vertical guide is the disturbance plate 7 of angle, and disturbance plate 7 is 5 °-20 ° with the angle of vertical guide.The structure of reactor 5 agitator is two horizontal blades 12 arranging the symmetry to match with tank body end face inwall on the main shaft being positioned at tank body, symmetrical horizontal blade 12 outer end is affixed upstanding fins 6 respectively, the outer side of upstanding fins 6 matches with the cylinder inwall of tank body, the inner side of a upstanding fins 6 is connected to vertical guide is wherein the disturbance plate 7 of angle, two symmetrical horizontal mounting arms are set in the middle part of main shaft, wherein a support arm is connected to upstanding fins 6, another support arm is connected to disturbance plate 7, two horizontal mounting arms arranging symmetry in the bottom of main shaft are connected with upstanding fins 6 respectively.To arrange bottom reactor 5 and to go deep in reactor 5 by motor by belt-driven vertical shaft, the horizontal agitating vane 20 corresponding with upstanding fins 6 is installed being positioned on the vertical shaft below upstanding fins 6, horizontal blade 20 is upper and lower two-layer blade, and horizontal agitating vane 20 has distortion angle.The working temperature of reactor 5 is 160 DEG C-210 DEG C.The import of I and II off gas treatment tank 13,15 arranges industrial chemicals feeding port 16 respectively.To arrange in sizing material pre-treatment tank 1 by agitating vane affixed on motor-driven main shaft.Survey oil temperature thermopair 4 is set in the interlayer of reactor 5 tank body, the inwall of reactor tank body arranges survey rubber mass temperature thermo-coupler 3.In cooling tank 17 tank body interlayer, multiloop water cooled pipeline is set.In cooling tank 17, be installed with stir shaft by bearing, uniformly on stir shaft arrange agitating vane, the stir shaft being positioned at cooling tank 17 outside is connected to the agitator motor 18 that support is installed.Sealing storage tank 11 is installed with level gage 10.
Claims (10)
1. temperature rubber plasticizing unit fast in an Intelligent environment-friendlyconstant-pressure normal pressure, it is characterized in that: the outlet of sizing material pre-treatment tank (1) bottom is connected to the sealing storage tank (11) that frame is installed by material loading suction pipe (2), the sealing storage tank (11) that motor-driven vacuum charging device (9) connects, its outlet is connected to the opening for feed of waste rubber friction plastication still (5) by sealing baiting valve (8), the agitator with horizontal blade (12) and upstanding fins (6) is set in reactor (5), in the tank body interlayer of reactor (5), heated oil is set, the discharge port of reactor (5) is connected to the import of cooling tank (17) by sealing baiting valve, the air outlet that the top tank body of cooling tank (17) is uniform respectively connected one-level, secondary off gas treatment tank (13, 15), wherein the outlet at one-level off gas treatment tank (13) top is connected in the import below secondary off gas treatment tank (15) sidewall by pipeline, the outlet of secondary off gas treatment tank (15) is connected to three grades of off gas treatment tanks (14), the discharge port of cooling tank (17) bottom is connected to cooling spiral transfer roller (19) by sealing baiting valve.
2. temperature rubber plasticizing unit fast in a kind of Intelligent environment-friendlyconstant-pressure normal pressure according to claim 1, it is characterized in that: the structure of reactor (5) agitator is arrange to match and radially uniform horizontal blade (12) with tank body end face inwall on the main shaft being positioned at tank body, annulus periphery is connected in the outer end of horizontal blade (12), the main shaft being positioned at tank body is connected to by the radial support arm of uniform one-tenth the upstanding fins (6) matched with inner tank wall, the upper end of upstanding fins (6) is connected with annulus periphery, it is the disturbance plate (7) of angle that upstanding fins (6) inner side in support arm side is arranged with vertical guide, disturbance plate (7) is 5 °-20 ° with the angle of vertical guide.
3. temperature rubber plasticizing unit fast in a kind of Intelligent environment-friendlyconstant-pressure normal pressure according to claim 1, it is characterized in that: the structure of reactor (5) agitator is two horizontal blades (12) arranging the symmetry matched with tank body end face inwall on the main shaft being positioned at tank body, symmetrical horizontal blade (12) outer end is affixed upstanding fins (6) respectively, the outer side of upstanding fins (6) matches with the cylinder inwall of tank body, the inner side of a upstanding fins (6) is connected to vertical guide is wherein the disturbance plate (7) of angle, two symmetrical horizontal mounting arms are set in the middle part of main shaft, wherein a support arm is connected to upstanding fins (6), another support arm is connected to disturbance plate (7), two horizontal mounting arms arranging symmetry in the bottom of main shaft are connected with upstanding fins (6) respectively.
4. temperature rubber plasticizing unit fast in a kind of Intelligent environment-friendlyconstant-pressure normal pressure according to Claims 2 or 3, it is characterized in that: arrange from reactor (5) bottom and to go deep in reactor (5) by motor by belt-driven vertical shaft, the vertical shaft being positioned at upstanding fins (6) below is installed with the horizontal agitating vane (20) corresponding with upstanding fins (6), horizontal agitating vane (20) has distortion angle for upper and lower two-layer blade, horizontal agitating vane (20).
5. temperature rubber plasticizing unit fast in a kind of Intelligent environment-friendlyconstant-pressure normal pressure according to claim 1, is characterized in that: the working temperature of reactor (5) is 160 DEG C-210 DEG C.
6. temperature rubber plasticizing unit fast in a kind of Intelligent environment-friendlyconstant-pressure normal pressure according to claim 1, is characterized in that: in the import of I and II off gas treatment tank (13,15), arrange industrial chemicals feeding port (16) respectively.
7. temperature rubber plasticizing unit fast in a kind of Intelligent environment-friendlyconstant-pressure normal pressure according to claim 1, it is characterized in that: survey oil temperature thermopair (4) is set in the interlayer of reactor (5) tank body, the inwall of reactor tank body arranges survey rubber mass temperature thermo-coupler (3).
8. temperature rubber plasticizing unit fast in a kind of Intelligent environment-friendlyconstant-pressure normal pressure according to claim 1, is characterized in that: in cooling tank (17) tank body interlayer, arrange multiloop water cooled pipeline.
9. temperature rubber plasticizing unit fast in a kind of Intelligent environment-friendlyconstant-pressure normal pressure according to claim 1, it is characterized in that: in cooling tank (17), by bearing, stir shaft is installed, uniformly on stir shaft arrange agitating vane, the stir shaft being positioned at cooling tank (17) outside is connected to the agitator motor (18) that support is installed.
10. temperature rubber plasticizing unit fast in a kind of Intelligent environment-friendlyconstant-pressure normal pressure according to claim 1, is characterized in that: in sealing storage tank (11), be installed with level gage (10).
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| CN201310248883.3A CN103408790B (en) | 2013-06-21 | 2013-06-21 | Intelligent environment-friendly constant-pressure medium-temperature fast rubber plasticizing unit |
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| CN201310248883.3A CN103408790B (en) | 2013-06-21 | 2013-06-21 | Intelligent environment-friendly constant-pressure medium-temperature fast rubber plasticizing unit |
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| CN103408790B true CN103408790B (en) | 2015-04-01 |
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| CN203295419U (en) * | 2013-06-21 | 2013-11-20 | 武时家 | Intelligent environment-friendly ordinary-pressure medium-temperature fast rubber plasticizing unit |
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| CN203295419U (en) * | 2013-06-21 | 2013-11-20 | 武时家 | Intelligent environment-friendly ordinary-pressure medium-temperature fast rubber plasticizing unit |
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