CN202638359U - Supercutical fluid auxiliary waste rubber powder pre-blending device - Google Patents
Supercutical fluid auxiliary waste rubber powder pre-blending device Download PDFInfo
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- CN202638359U CN202638359U CN201220066783XU CN201220066783U CN202638359U CN 202638359 U CN202638359 U CN 202638359U CN 201220066783X U CN201220066783X U CN 201220066783XU CN 201220066783 U CN201220066783 U CN 201220066783U CN 202638359 U CN202638359 U CN 202638359U
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- Prior art keywords
- pressure
- autoclave
- rubber powder
- chamber
- supercritical fluid
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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 utility model provides a device for pre-blending waste rubber powder, a vulcanizing agent, a softener, etc. with auxiliary supercutical fluid. The device comprises an autoclave which can bear a certain supercutical fluid pressure, a rotating mixing device arranged in the autoclave, a supercutical fluid conveying system, a heating and temperature-control system, a pressure display and control system, a pressure relief device, etc. According to the utility model, the super-strong penetration and diffusion capability of supercutical fluid is employed, under a certain temperature and a certain supercutical fluid pressure, auxiliary agents such as a desulfurizer and the softener are diffused in to the rubber powder by the help of the mechanical stirring device, rapid pre-mixture of waste rubber powder and various auxiliary agents is achieved, and thereby the rate and effect of rear stage desulphurization are raised.
Description
Technical field
The utility model relates to field of high polymer material processing, a kind of supercritical fluid assisting waste rubber powder regenerative sulfur binding pre-mixing apparatus, this device can be used for the premix of the auxiliary agents such as different types of waste rubber powder and desulfurizing agent, regenerative agent, realize various auxiliary agents to the rapid osmotic of rubber powder inside, improve the efficient of later stage waste rubber powder regenerative sulfur binding.
Background technology
The regeneration of waste old refers to utilize physics or chemical method to make the netted construction recovery of rubber cross be the line style state, be that sulphur one sulphur (S-S) key is reopened, and do not destroy as far as possible carbon-to-carbon (C-C) key, make rubber have again processability, and keep or recover the original physical property of rubber.Renovation process through for many years development rubber mainly contains: physics renovation process, chemical regeneration method, bio-regeneration method, and the combination of these methods.The physics renovation process is to utilize external energy, such as the physics renovation process of power, a hot power, a cold power, microwave, ultrasonic wave, ray etc.; The chemical regeneration method is to utilize chemical assistant, the renovation process pure etc. such as organic disulfide, sulphur; Utilize the effect of thiobacteria with the bio-regeneration method of the sulfide linkage fracture on rubber particles surface.There are the shortcomings such as energy consumption is large, efficient is low, recycling weak effect in the physics renovation process; The chemical regeneration method exists environmental pollution to produce seriously, easily toxic gas, operational hazards.The method of bio-regeneration also just is in conceptual phase, and unrealized industrialized production.
Supercritical fluid refers to that temperature and pressure all is higher than the fluid of its critical point, supercritical fluid has the diffusivity of similar gas and the solvability of similar liquids, have simultaneously low-viscosity concurrently, the characteristic of low surface tension etc., therefore supercritical fluid has superpower dissolving and penetrating power, therefore has unique effect in the processing of supercritical fluid auxiliary polyalcohol.Some application in the regenerative sulfur binding of waste rubber powder, have also been obtained.
JP2000095895 discloses a kind of method of utilizing nucleopilic reagent that vulcanizate is regenerated, and this is invented vulcanized rubber at overcritical C0
2In mix with nucleopilic reagent after heating, make its regeneration.
CN101503525B discloses a kind of method by adding dry ice in autoclave and has realized super critical condition, assists with this understanding infiltration and desulfurization, has the advantages such as low energy consumption, low cost.
CAN142:412727 discloses under a kind of supercritical carbon dioxide condition, spends cross-linking reagent Diphenyl disulfide compound (DD) and immerses the method that makes rubber regeneration in the isoprene rubber.The method also is only to have utilized supercritical CO
2Swelling, infiltration and diffusion.
These methods show supercritical fluid with its superpower dissolving and penetrating power, can assist the rapid osmotic such as desulfurizing agent to diffuse into rubber powder inside, therefore supercritical fluid are used for the feasibility of the premix of waste rubber powder regenerative sulfur binding.But also there is not special pre-mixing apparatus to carry out premix at present.The utility model adopts the premix that carries out supercritical fluid assisting waste rubber powder with the high-pressure chamber of rotating stirring device.Utilize this device to carry out the premix of waste rubber powder and the auxiliary agents such as desulfurizing agent and softening agent, can improve the auxiliary agents such as desulfurizing agent and softening agent to the rapid osmotic diffusion of rubber powder inside, improve efficient and the effect of later stage desulfurization.
The utility model content
Supercritical fluid assisting waste rubber powder pre-mixing apparatus, this device comprises: autoclave, Stirring structure and the supercritical fluid delivery device that can bear pressure, it is characterized in that: the supercritical fluid delivery device links to each other with autoclave, the Stirring structure is loaded in the autoclave, and material is mixed.
According to aforementioned means, the high-pressure chamber that it is characterized in that described autoclave is two lobe formula structures up and down, can open, and after two lobes close up up and down the cooperation place of two lobe formula structures is up and down sealed, and chamber top is with charge door, and the bottom is with discharge gate.
According to aforementioned means, it is characterized in that the described Stirring structure in the autoclave high-pressure chamber is with the adjustable agitating device of rotating speed, described agitating device is spiral or twi-tier blade formula structure.
According to aforesaid device, this device is outside with electrical heating and temperature controlled device.
According to aforesaid device, it is characterized in that this device also comprises pressure-display device.
According to aforesaid device, it is characterized in that the high-pressure chamber of autoclave with the device of earth pressure release, be used for discharging chamber interior pressure.
According to aforesaid device, it is characterized in that the supercritical fluid delivery device that this device adopts is membrane compressor, can compress multiple gases, and the gas utilization ratio is high.
According to aforesaid device, characterized by further comprising hermetically-sealed construction.
According to aforesaid device, characterized by further comprising discharging structure.
According to aforesaid device, it is characterized in that described pressure-display device is that pressure shows and control device.
According to aforesaid device, characterized by further comprising heating and temperature control system.
According to aforesaid device, it is characterized in that the speed of the earth pressure release in the high-pressure chamber of autoclave can be regulated.
According to aforesaid device, it is characterized in that this pressure shows and control device is electro connecting pressure gauge, be used for showing and controlling the pressure of autoclave chamber interior, when chamber interior pressure reached setting value, the supercritical fluid delivery system stopped to carry supercritical CO to chamber interior
2, assurance device is worked under the pressure of setting, and guarantees safety
The utility model has the advantages that:
(1) utilizes this device, at supercritical CO
2And can fast the auxiliary agents such as desulfurizing agent, softening agent be penetrated into rubber powder inside under the hybrid element effect.
(2) this device has compact conformation, easy to operate, chamber utilization ratio advantages of higher, cavity volume variable format.
(3) utilize this device can pass through to regulate chamber temp, supercritical CO
2The parameters such as pressure, auxiliary time of penetration adapt to variety classes waste rubber powder regenerative sulfur binding premix.
(4) this device is except adopting supercritical CO
2, can also adopt other supercritical fluids according to the rubber powder kind.
(5) applied widely, except the premix of applicable dissimilar waste rubber powders, can also be applied to the premix of powdered resin.
Description of drawings
Fig. 1 is the utility model supercritical CO
2The structural representation of an embodiment of assisting waste rubber powder regenerative sulfur binding pre-mixing apparatus structure.
The specific embodiment
At the feeding cover 9 of opening high pressure chamber 25, the inside with the various auxiliary agents adding such as waste rubber powder, softening agent, desulfurizing agent high-pressure chamber with feeding cover 9 closures of high-pressure chamber, tightens bolt.Heating element heater 11 and 20 is heated to design temperature, and gyratory agitation device 26 begins rotation in the warm, and rubber powder is heated evenly.Behind the constant temperature certain hour, pressure relieving valve 13 is opened, passed into supercritical CO by the middle part air inlet of pre-mixing apparatus
2, guaranteeing that supercritical fluid can fully enter the rubber powder gap, then the air of the chamber interior of draining closes pressure relieving valve 13.Make constant pressure in the high-pressure chamber under setting pressure, keep a period of time.The auxiliary agent such as desulfurizing agent, softening agent is at supercritical CO
2Penetrate into rubber powder inside under the effect.Permeate completely, open pressure relieving valve 13, discharge fast chamber interior pressure, then open discharge gate end cap 23, discharge.Discharge is complete, and gyratory agitation device 26 stops operating.Cleaning plant carries out next batch production.Premix the waste rubber powder of various auxiliary agents carry out high temperature desulfurizing technique, the preparation reclaimed rubber.
This covering device mainly contained for nine most of compositions:
(1) supercritical fluid delivery device 1-4
1 is CO
2Gas cylinder, 2 is that membrane compressor, 3 is that intake valve, 4 is check valve
(2) 5-10 of high-pressure chamber, 21-25
5 is loam cake 7 for charge door end cap, 23 for discharging opening end cap, 24 is discharging opening for charge door, 9 with the adpting flange, 6,10,21 of lower chamber 25,22 for high-temperature resistant seal ring, 8
(3) pressure shows and control device 12,17
12 is that electro connecting pressure gauge, 17 is the demonstration of this covering device and control device
(4) heating and temperature control equipment 11,14,19,20,17
11,20 is electric boiling plate, and 14,19 are respectively the thermocouple of cavity loam cake and lower chamber
(5) agitating device 16,26
26 is that gyratory agitation device, 16 is drive unit
(6) exhaust apparatus 13
13 is air bleeding valve
(7) Aeroassisted hood- opening device 15,18
15 is that cylinder, 18 is compression pump
(8) chamber temp and pressure, agitating device rotating speed show and control device 17
(9) 27 is this device pedestal
Claims (13)
1. supercritical fluid assisting waste rubber powder pre-mixing apparatus, this device comprises: autoclave, Stirring structure and the supercritical fluid delivery device that can bear pressure, it is characterized in that: the supercritical fluid delivery device links to each other with autoclave, the Stirring structure is loaded in the autoclave, and material is mixed.
2. described device according to claim 1, the high-pressure chamber that it is characterized in that described autoclave is two lobe formula structures up and down, can open, and after two lobes close up up and down the cooperation place of two lobe formula structures is up and down sealed, chamber top is with charge door, and the bottom is with discharge gate.
3. each described device is characterized in that the described Stirring structure in the autoclave high-pressure chamber is the adjustable agitating device of rotating speed according to claim 1-2, and described agitating device is spiral or twi-tier blade formula structure.
4. device according to claim 1 is characterized in that the autoclave outside is with electrical heating and temperature controlled device.
5. device according to claim 1 is characterized in that this device also comprises pressure-display device.
6. device according to claim 1 is characterized in that the high-pressure chamber of autoclave with the device of earth pressure release, is used for discharging chamber interior pressure.
7. device according to claim 1 is characterized in that the supercritical fluid delivery device that this device adopts is membrane compressor, can compress multiple gases.
8. each described device characterized by further comprising hermetically-sealed construction according to claim 1-2.
9. each described device characterized by further comprising discharging structure according to claim 1-2.
10. device according to claim 5 is characterized in that described pressure-display device is that pressure shows and control device.
11. device according to claim 1 characterized by further comprising heating and temperature control system.
12. device according to claim 1 is characterized in that the speed of the earth pressure release in the high-pressure chamber of autoclave can be regulated.
13. device according to claim 10, it is characterized in that this pressure shows and control device is electro connecting pressure gauge, be used for showing and controlling the pressure of autoclave chamber interior, when chamber interior pressure reached setting value, the supercritical fluid delivery system stopped to carry supercritical CO to chamber interior
2, assurance device is worked under the pressure of setting, and guarantees safety.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220066783XU CN202638359U (en) | 2012-02-28 | 2012-02-28 | Supercutical fluid auxiliary waste rubber powder pre-blending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220066783XU CN202638359U (en) | 2012-02-28 | 2012-02-28 | Supercutical fluid auxiliary waste rubber powder pre-blending device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202638359U true CN202638359U (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220066783XU Expired - Lifetime CN202638359U (en) | 2012-02-28 | 2012-02-28 | Supercutical fluid auxiliary waste rubber powder pre-blending device |
Country Status (1)
| Country | Link |
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| CN (1) | CN202638359U (en) |
Cited By (1)
| 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 |
-
2012
- 2012-02-28 CN CN201220066783XU patent/CN202638359U/en not_active Expired - Lifetime
Cited By (1)
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA RUBBER RESOURCE REGENERATION (QINGDAO) CO., Free format text: FORMER OWNER: ZHONGJIAO RUBBER RESOURCE RECYCLING CO., LTD. Effective date: 20130508 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100020 CHAOYANG, BEIJING TO: 266042 QINGDAO, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130508 Address after: 266042, room 237, building A, 43 Zhengzhou Road, Sifang District, Shandong, Qingdao Patentee after: China-rubber Resource Regeneration (Qingdao) Co., Ltd. Address before: 100020, Beijing Chaoyang District East Third Ring Road North Building No. 1 hospital Taikang Finance Building (opposite the Beijing Guangzhou center), the central 19 38 Patentee before: China Rubber Resource Regeneration Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |