CN104448385A - Waste rubber treatment device integrating supercritical CO2 fluid reaction and microwave heating - Google Patents
Waste rubber treatment device integrating supercritical CO2 fluid reaction and microwave heating Download PDFInfo
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- CN104448385A CN104448385A CN201410712303.6A CN201410712303A CN104448385A CN 104448385 A CN104448385 A CN 104448385A CN 201410712303 A CN201410712303 A CN 201410712303A CN 104448385 A CN104448385 A CN 104448385A
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- retort
- supercritical
- waste rubber
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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
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
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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
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- Processing Of Solid Wastes (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses a waste rubber treatment device integrating supercritical CO2 fluid reaction and microwave heating. The waste rubber treatment device comprises a high-speed stirrer, a supercritical CO2 fluid reactor, a first reaction tank and a second reaction tank, wherein the first reaction tank is communicated with the supercritical CO2 fluid reactor through a high-pressure pump; the second reaction tank is arranged below the first reaction tank and is communicated with the first reaction tank through a material tube; the first reaction tank is internally provided with a first material conveying mechanism; a CO2 pressure release valve hole is formed in the body of the first reaction tank; the second reaction tank is internally provided with a second material conveying mechanism; a microwave generation mechanism and a cooling mechanism are arranged on the body of the second reaction tank; a discharge conveying mechanism is arranged inside the material tube. As the waste rubber treatment device which is disclosed by the invention integrates stirring, supercritical CO2 fluid reaction and microwave heating, and materials are conveyed among the mechanisms by using screw rod conveying devices, the labor is effectively saved, and the processing efficiency is improved.
Description
Technical field
The present invention relates to technical field of waste rubber, particularly relate to a kind of waste rubber processing device integrating SCF-CO 2 precursor reactant and microwave heating.
Background technology
In recent years, along with the day by day deficient and mankind of global environmental pollution aggravation, petroleum resources are to the growing interest of Sustainable development, waste rubber, especially the recycling of junked tire has become the important topic in rubber industry field.And among this, utilizing waste rubber to prepare reclaimed rubber becomes a kind of important means.
Rubber regeneration refer to utilize physics, chemistry or the method for biology, destroy rubber cross network, form process that is linearizing, that can reprocess.Mainly contain chemical regeneration method, physics method of reproduction, bio-regeneration method three major types rubber regeneration means at present.At present, the reclaimed rubber preparation means of domestic maturation is " High Temperature High Pressure dynamic desulfurization ", its flow process is by the petroleum line softener of waste rubber, 13-20%, sweetening agents etc. are put in high-temperature high-pressure tank, be incubated in the environment of 2-4MPa, 210-300 DEG C after 3-5 hour obtains and obtain desulfurization rubber powder, then obtain sheet reclaimed rubber through refining.Reclaimed rubber product properties prepared by this process is better, but energy consumption is comparatively large, at about 700-900KWh, produces a large amount of waste water, waste gas simultaneously, causes severe contamination to environment, and the feature of environmental protection how improving regenerated rubber becomes the technical problem being badly in need of solving.
Summary of the invention
The object of the invention is the technological deficiency for existing in prior art, and a kind of waste rubber processing device integrating SCF-CO 2 precursor reactant and microwave heating is provided.
The technical scheme adopted for realizing object of the present invention is:
A kind of collection supercritical CO
2fluid reaction and microwave heating, in the waste rubber processing device of one, comprise homogenizer, supercritical CO
2fluid generator, with described supercritical CO
2the first retort that fluid generator is communicated with through high-pressure pump, and be arranged on the second retort be communicated with below the first retort and by material pipe, the inside of the first described retort is provided with the first materials transport mechanism, and the tank body of the first retort is provided with CO
2pressure release valve port, the inside of the second described retort is provided with the second materials transport mechanism, the tank body of the second retort is provided with microwave generation mechanism and cooling body, is provided with discharge transfer mechanism in described material pipe.
Also comprise the holding tank, described holding tank and the described supercritical CO that are communicated with described pressure release valve port
2fluid generator is communicated with to realize CO
2recycling.
The opening for feed of the first described retort is communicated with through feed mechanism with the discharge port of described homogenizer.
The first described materials transport mechanism, the second materials transport mechanism and discharge transfer mechanism are respectively screw conveying device.
The first described reaction chamber is high pressure resistant tank body, and described high-pressure pump is high pressure micro syringe pump, and the first reaction chamber is outside controls/display, pressure-controlling/display unit with temperature; Also with Pressure-relief Device, for discharging supercritical CO
2fluid.
The cooling body of the second described retort is jacketed type spiral cooling tube.
Compared with prior art, the invention has the beneficial effects as follows:
Waste rubber processing device collection of the present invention stirs, supercritical CO
2fluid reaction and microwave heating are in one, inter-agencyly screw conveying device transmission is utilized each by material, effectively reduce manpower to use, improve working (machining) efficiency, and, setting up and down by the first retort and the second retort, improve the convenience that material transmits between, and in utilization material pipe, screw conveying device is set, evenly conveying can be realized, guarantee enters material after in the second retort and lays evenly, improve microwave heating effects, simultaneously, material is transmitted with screw conveying device respectively in the first retort and the second retort, material stirring is realized while transmission, improve reaction effect.
Accompanying drawing explanation
Figure 1 shows that waste rubber processing device schematic diagram of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, the waste rubber processing device integrating SCF-CO 2 precursor reactant and microwave heating of the present invention comprises homogenizer 1, supercritical fluid CO 2 producer 2 i.e. supercritical steam pressure producer or supercritical DC furnace producer, with described supercritical fluid CO 2 producer 2 through high-pressure pump 3, as the first retort 4 that high pressure micro syringe pump is communicated with, as high pressure resistant tank body, and be arranged on the second retort 6 be communicated with below the first retort and by material pipe 5, the opening for feed of the first described retort and the discharge port of described homogenizer are through feed mechanism 7, as rubber powder flexible conveyer is communicated with, the inside of the first described retort is provided with the first materials transport mechanism, as screw conveying device, the tank body of the first retort is provided with CO
2pressure release valve port, temperature control/display, pressure-controlling/display unit and Pressure-relief Device to ensure the security of reacting, and described pressure release valve port is used for discharging supercritical CO after the completion of reaction
2fluid.The inside of the second described retort is provided with the second materials transport mechanism, as screw conveying device, the tank body of the second retort is provided with microwave generation mechanism and cooling body, as jacketed type spiral cooling tube, discharge transfer mechanism is provided with, as screw conveying device in described material pipe 5.
Waste rubber processing device collection of the present invention stirs, supercritical CO
2fluid reaction and microwave heating are in one, inter-agencyly screw conveying device transmission is utilized each by material, effectively reduce manpower to use, improve working (machining) efficiency, and, setting up and down by the first retort and the second retort, improve the convenience that material transmits between, and utilize the screw conveying device arranged in material pipe, evenly conveying can be realized, guarantee enters material after in the second retort and lays evenly, improve microwave heating effects, simultaneously, material is transmitted with screw conveying device respectively in the first retort and the second retort, material stirring is realized while transmission, improve reaction effect.
Further, the holding tank 8, described holding tank and the described supercritical CO that are communicated with described pressure release valve port is also comprised
2fluid generator is communicated with to realize CO
2recycling.
When specifically using, environment-friendly type sweetening agent and rubber powder being put in homogenizer by predetermined mass ratio and stirs, then cooling discharge.Then by screw conveying device, rubber powder is imported in the first retort, the chamber subsequently to the first retort injects supercritical CO
2fluid, opens screw conveying device, rubber powder is transported to discharge end, and ensures that the abundant diffuse of environment-friendly type sweetening agent is between crosslinked three-dimensional network; While carrying out carrying, can effectively overturn rubber powder, realize homogeneous reaction, after the first retort pressure release, rubber powder is sent in the second retort through material road, open the microwave heating mechanism of the second retort, while adding thermally desulfurizing, sizing material overturns to discharge end transmission under the second screw conveying device effect, and heating terminates and cools discharge carry out refining slice and obtain reclaimed rubber afterwards.
Adopt regeneration system rapidly of the present invention, combine supercritical CO
2rapid osmotic, diffusion property and microwave the feature of selective desulfurization, while abundant desulfurization, ensure that the quality of reclaimed rubber; With reclaimed rubber prepared by native system, it is used alone performance and far exceeds GB/T13460-2008, with virgin rubber with the use of, when admixture 50 parts, its mechanical properties decrease is no more than 20%.Have desulfurization temperature low, energy consumption is low simultaneously.Microwave heating temperature controls between 100-180 DEG C, frequency control at 900-2400MHz, the 220-300 DEG C of relatively traditional " the dynamic desulfurization of High Temperature High Pressure ", energy consumption reduces greatly; And use supercritical CO
2fluid serves as tenderizer, achieves the rapid osmotic of sweetening agent, diffusion, instead of petroleum line softener, source eliminates source of pollution, realize environmental protection, and clean, the environment-friendly type that achieve reclaimed rubber are produced.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a collection supercritical CO
2fluid reaction and microwave heating, in the waste rubber processing device of one, is characterized in that, comprise homogenizer, supercritical CO
2fluid generator, with described supercritical CO
2the first retort that fluid generator is communicated with through high-pressure pump, and be arranged on the second retort be communicated with below the first retort and by material pipe, the inside of the first described retort is provided with the first materials transport mechanism, and the tank body of the first retort is provided with CO
2pressure release valve port, the inside of the second described retort is provided with the second materials transport mechanism, the tank body of the second retort is provided with microwave generation mechanism and cooling body, is provided with discharge transfer mechanism in described material pipe.
2. waste rubber processing device as claimed in claim 1, is characterized in that, also comprise the holding tank, described holding tank and the described supercritical CO that are communicated with described pressure release valve port
2fluid generator is communicated with to realize CO
2recycling.
3. waste rubber processing device as claimed in claim 1, it is characterized in that, the opening for feed of the first described retort is communicated with through feed mechanism with the discharge port of described homogenizer.
4. waste rubber processing device as claimed in claim 1, it is characterized in that, the first described materials transport mechanism, the second materials transport mechanism and discharge transfer mechanism are respectively screw conveying device.
5. waste rubber processing device as claimed in claim 1, it is characterized in that, the first described reaction chamber is high pressure resistant tank body, and described high-pressure pump is high pressure micro syringe pump, and the first reaction chamber is outside controls/display, pressure-controlling/display unit with temperature; Also with Pressure-relief Device, for discharging supercritical CO
2fluid.
6. waste rubber processing device as claimed in claim 1, it is characterized in that, the cooling body of the second described retort is jacketed type spiral cooling tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410712303.6A CN104448385B (en) | 2014-11-28 | 2014-11-28 | Collection supercritical CO2Fluid reaction and microwave heating are in the waste rubber processing device of one |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410712303.6A CN104448385B (en) | 2014-11-28 | 2014-11-28 | Collection supercritical CO2Fluid reaction and microwave heating are in the waste rubber processing device of one |
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| Publication Number | Publication Date |
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| CN104448385A true CN104448385A (en) | 2015-03-25 |
| CN104448385B CN104448385B (en) | 2017-03-01 |
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| CN201410712303.6A Active CN104448385B (en) | 2014-11-28 | 2014-11-28 | Collection supercritical CO2Fluid reaction and microwave heating are in the waste rubber processing device of one |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106397829A (en) * | 2016-10-09 | 2017-02-15 | 南通回力橡胶有限公司 | Waste rubber regeneration method and device based on supercritical carbon dioxide |
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|---|---|---|---|---|
| CN102600755A (en) * | 2012-02-28 | 2012-07-25 | 中胶橡胶资源再生有限公司 | Super-critical fluid assisted waste rubber powder premixing device |
| CN102604153A (en) * | 2012-02-28 | 2012-07-25 | 青岛科技大学 | Method and device for supercritical CO2 assisted preparation of regenerated rubber |
| CN203919456U (en) * | 2014-06-25 | 2014-11-05 | 青岛科技大学 | Regenerating waste or used rubber former |
| CN204281661U (en) * | 2014-11-28 | 2015-04-22 | 天津海泰环保科技发展有限公司 | Regenerating waste or used rubber system |
| CN204454972U (en) * | 2015-01-30 | 2015-07-08 | 青岛科技大学 | A kind of desulfurization regeneration equipment of waste rubber powder |
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2014
- 2014-11-28 CN CN201410712303.6A patent/CN104448385B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102600755A (en) * | 2012-02-28 | 2012-07-25 | 中胶橡胶资源再生有限公司 | Super-critical fluid assisted waste rubber powder premixing device |
| CN102604153A (en) * | 2012-02-28 | 2012-07-25 | 青岛科技大学 | Method and device for supercritical CO2 assisted preparation of regenerated rubber |
| CN203919456U (en) * | 2014-06-25 | 2014-11-05 | 青岛科技大学 | Regenerating waste or used rubber former |
| CN204281661U (en) * | 2014-11-28 | 2015-04-22 | 天津海泰环保科技发展有限公司 | Regenerating waste or used rubber system |
| CN204454972U (en) * | 2015-01-30 | 2015-07-08 | 青岛科技大学 | A kind of desulfurization regeneration equipment of waste rubber powder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106397829A (en) * | 2016-10-09 | 2017-02-15 | 南通回力橡胶有限公司 | Waste rubber regeneration method and device based on supercritical carbon dioxide |
| CN106397829B (en) * | 2016-10-09 | 2019-03-05 | 南通回力橡胶有限公司 | A kind of scrap rubber regeneration method and device based on supercritical carbon dioxide |
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| CN104448385B (en) | 2017-03-01 |
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Effective date of registration: 20170613 Address after: 441800 circular economy industrial park, fairy town, Laohekou, Laohekou City, Xiangfan, Hubei Patentee after: Hubei Jintai Environmental Protection Technology Co. Ltd. Address before: Science and Technology Finance Building 5 No. 300384 in Tianjin Binhai Huayuan Industrial Park Mei Yuan Lu 12 Patentee before: Tianjin Haitai Environmental Protection Technology Development Co., Ltd. |