CN113232187A - Wet mixing method of white carbon black and natural rubber - Google Patents
Wet mixing method of white carbon black and natural rubber Download PDFInfo
- Publication number
- CN113232187A CN113232187A CN202110457379.9A CN202110457379A CN113232187A CN 113232187 A CN113232187 A CN 113232187A CN 202110457379 A CN202110457379 A CN 202110457379A CN 113232187 A CN113232187 A CN 113232187A
- Authority
- CN
- China
- Prior art keywords
- carbon black
- white carbon
- pipe
- natural rubber
- flocculating agent
- Prior art date
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Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 239000006229 carbon black Substances 0.000 title claims abstract description 86
- 238000002156 mixing Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 22
- 244000043261 Hevea brasiliensis Species 0.000 title claims abstract description 17
- 229920003052 natural elastomer Polymers 0.000 title claims abstract description 17
- 229920001194 natural rubber Polymers 0.000 title claims abstract description 17
- 239000008394 flocculating agent Substances 0.000 claims description 63
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 53
- 229920006173 natural rubber latex Polymers 0.000 claims description 19
- 230000000694 effects Effects 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 14
- 239000007924 injection Substances 0.000 claims description 14
- 239000007921 spray Substances 0.000 claims description 13
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 claims 2
- 238000010092 rubber production Methods 0.000 abstract description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000010006 flight Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010074 rubber mixing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007580 dry-mixing Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
- B29B7/76—Mixers with stream-impingement mixing head
- B29B7/7605—Mixers with stream-impingement mixing head having additional mixing arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The embodiment of the invention discloses a white carbon black and natural rubber wet mixing method, which belongs to the technical field of rubber production. The embodiment of the invention solves the problems of long mixing period and low efficiency in the prior art, and is widely applied to rubber production.
Description
Technical Field
The embodiment of the invention relates to the technical field of rubber production, and particularly relates to a wet mixing method of white carbon black and natural rubber.
Background
Nowadays, along with the energy reduction and emission reduction of enterprises, the requirement for reducing cost is continuously increased, and compared with the traditional dry mixing method, the rubber wet mixing method can reduce energy consumption and reduce cost. In wet mixing, how to mix materials sufficiently and uniformly, for example, mixing white carbon black and natural latex, has been a long-term research subject of technicians in the field, and a common method at present is to use a stirring device to stir for a long time, and although a certain effect can be obtained, the period is long, the efficiency is low, and the method is not beneficial to the rapid development of the industry at present.
Therefore, in the technical field of rubber production, there is still a need for research and improvement on a wet mixing method of white carbon black and natural rubber, which is also a research hotspot and focus in the technical field of rubber production at present and is the starting point of the completion of the invention.
Disclosure of Invention
Therefore, the embodiment of the invention provides a wet mixing method of white carbon black and natural rubber, which aims to solve the technical problems of long mixing period and low efficiency in the prior art.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
according to the embodiment of the invention, white carbon black, a flocculating agent and natural rubber are respectively added into a white carbon black storage pressure tank, a flocculating agent storage pressure tank and a natural rubber latex storage pressure tank, and the white carbon black storage pressure tank, the flocculating agent storage pressure tank and the natural rubber latex storage pressure tank are pressurized, the white carbon black storage pressure tank is connected with a mixer through a first conveying pipeline, the flocculating agent storage pressure tank is connected with the mixer through a second conveying pipeline, the natural rubber latex storage pressure tank is connected with the mixer through a third conveying pipeline, a white carbon black spray pipe is arranged at the end part of the first conveying pipeline, a flocculating agent spray pipe is arranged at the end part of the second conveying pipeline, a natural rubber latex spray pipe is arranged at the end part of the third conveying pipeline, and the mixer is respectively connected with the first conveying pipeline through a four-way channel, Second pipeline and third pipeline, white carbon black jet flow pipe, flocculating agent jet flow pipe and natural latex jet flow pipe all are located in the cross passage, the export orientation of white carbon black jet flow pipe and natural latex jet flow pipe the export of flocculating agent jet flow pipe, under the pressure effect, white carbon black, flocculating agent and natural latex are followed respectively white carbon black jet flow pipe, flocculating agent jet flow pipe and natural latex jet flow pipe jet, and the striking forms the turbulent flow each other, gets into the blender mixes.
Furthermore, the white carbon black jet pipe, the flocculating agent jet pipe and the natural latex jet pipe are positioned on the same plane.
Furthermore, the outlet ends of the white carbon black jet pipe and the natural latex jet pipe are provided with 45-degree grooves.
Furthermore, white carbon black jet pipe and natural latex jet pipe are located respectively the both sides of flocculating agent jet pipe, the contained angle between white carbon black jet pipe and the flocculating agent jet pipe with the contained angle between natural latex jet pipe and the flocculating agent jet pipe is 45 degrees.
Further, the blender includes a toper section of thick bamboo that both ends are all open, the tip of a toper section of thick bamboo is connected white carbon black jet flow pipe, flocculating agent jet flow pipe and natural latex jet flow pipe, be equipped with the center pin in the toper section of thick bamboo, be equipped with the flight on the center pin.
Further, the diameter of the spiral piece is gradually reduced from the large end of the conical barrel to the small end of the conical barrel.
Furthermore, one end of the central shaft extends out of the small end of the conical cylinder, the other end of the central shaft is fixed on a mounting disc, and a plurality of through holes are formed in the mounting disc.
Furthermore, the end part of the central shaft is provided with a conical flow guide part, and the rotation center of the flow guide part is coaxial with the center of the flocculating agent jet pipe.
Furthermore, all be equipped with the booster pump on first pipeline, the second pipeline and the third pipeline, it is corresponding the booster pump is located respectively white carbon black spout pipe, flocculating agent spout pipe and natural latex spout pipe's upstream position.
The embodiment of the invention has the following advantages:
(1) the invention does not use the traditional stirring with long service cycle, adopts the injection to form turbulent flow to achieve the effect of uniform mixing, improves the mixing effect and mixing efficiency of the white carbon black, the flocculating agent and the natural latex, and further shortens the rubber mixing cycle.
(2) Because the spiral sheet is arranged on the central shaft, on one hand, the running path of turbulent flow can be prolonged, on the other hand, the spiral sheet is impacted with the turbulent flow, and the mixing effect and the mixing efficiency of the white carbon black, the flocculating agent and the natural latex are improved.
(3) Because the tip of center pin is equipped with conical water conservancy diversion portion, water conservancy diversion portion can be with the turbulent flow reposition of redundant personnel that the blender import department formed for a few strands of turbulent flows continue striking each other behind the entering blender, have further improved the mixing effect and the mixing efficiency of white carbon black, flocculating agent and natural latex.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic diagram of the structure of an apparatus according to an embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a left side view of FIG. 1;
FIG. 4 is a schematic view of a portion of the enlarged structure of A in FIG. 2;
FIG. 5 is a schematic structural view of a center shaft in an embodiment of the present invention;
in the figure: 1. white carbon black storage overhead tank, 2, flocculating agent storage overhead tank, 3, natural latex storage overhead tank, 4, first pipeline, 5, second pipeline, 6, third pipeline, 7, flow valve, 8, booster pump, 9, blender, 901, a toper section of thick bamboo, 902, center pin, 903, water conservancy diversion portion, 904, mounting disc, 905, flight, 906, through-hole, 10, four way connection, 11, white carbon black spout pipe, 12, flocculating agent spout pipe, 13, natural latex spout pipe.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the present specification, the terms "front", "rear", "left", "right", "inner", "outer" and "middle" are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or modifications of the relative relationship between the terms and the corresponding parts are also regarded as the scope of the present invention without substantial changes in the technical contents.
As shown in fig. 1, fig. 2 and fig. 3 together, an embodiment of the present invention provides a wet-process mixing method for white carbon black and natural rubber, which includes adding liquid white carbon black, a flocculant and natural rubber latex into a white carbon black storage pressure tank 1, a flocculant storage pressure tank 2 and a natural rubber latex storage pressure tank 3, which are sequentially arranged, respectively, connecting the white carbon black storage pressure tank 1, the flocculant storage pressure tank 2 and the natural rubber latex storage pressure tank 3 to a mixer through a white carbon black jet pipe 11, a flocculant jet pipe 12 and a natural rubber latex jet pipe 13, charging the white carbon black storage pressure tank 1, the flocculant storage pressure tank 2 and the natural rubber latex storage pressure tank 3 to form a positive pressure, specifically, connecting the white carbon black storage pressure tank 1 to the mixer 9 through a first conveying pipeline 4, connecting the flocculant storage pressure tank 2 to the mixer 9 through a second conveying pipeline 5, the natural latex storage pressure tank 3 is connected with a mixer 9 through a third conveying pipeline 6, as shown in fig. 4, the end part of the first conveying pipeline 4 is connected with a white carbon black jet pipe 11 through a flange, the end part of the second conveying pipeline 5 is connected with a flocculating agent jet pipe 12 through a flange, the end part of the third conveying pipeline 6 is connected with a natural latex jet pipe 13 through a flange, the mixer 9 is respectively connected with the first conveying pipeline 4, the second conveying pipeline 5 and the third conveying pipeline 6 through a four-way channel, the white carbon black jet pipe 11, the flocculating agent jet pipe 12 and the natural latex jet pipe 13 are all positioned in the four-way channel, the outlets of the white carbon black jet pipe 11 and the natural latex jet pipe 13 face the outlet of the flocculating agent jet pipe 12, the inlet of the mixer is opposite to the flocculating agent jet pipe 12, and under the working pressure, white carbon black, flocculating agent and natural latex are respectively sprayed from the white carbon black jet pipe 11, flocculating agent jet pipe 12, The flocculating agent jet pipe 12 and the natural latex jet pipe 13 are sprayed out and collide with each other, turbulence is formed at the inlet of the mixer 9, so that the white carbon black, the flocculating agent and the natural latex are quickly mixed and then enter the mixer 9 to be fully and uniformly mixed. Through research, the white carbon black and the natural latex can form high-pressure flocculation flow under the pressure of 1.5MPa, the white carbon black has the best dispersibility in the natural latex, and the mixing effect is the best.
As shown in fig. 4, the white carbon black jet pipe 11, the flocculating agent jet pipe 12 and the natural latex jet pipe 13 are located on the same plane, the outlet ends of the white carbon black jet pipe 11 and the natural latex jet pipe 13 are both provided with 45 degree bevels, the white carbon black jet pipe 11 and the natural latex jet pipe 13 are respectively located on both sides of the flocculating agent jet pipe 12, the included angle between the white carbon black jet pipe 11 and the flocculating agent jet pipe 12 and the included angle between the natural latex jet pipe 13 and the flocculating agent jet pipe 12 are both 45 degrees, when manufacturing, the four-way channel usually adopts a four-way joint 10, the ports of the four-way joint 10 respectively correspond to the inlet of the mixer 9, the white carbon black jet pipe 11, the flocculating agent jet pipe 12 and the natural latex jet pipe 13, so that the turbulence forming area is positioned in the four-way joint 10, before entering the mixer 9, turbulent flow is formed, and the mixing effect and the mixing efficiency of the white carbon black, the flocculating agent and the natural latex can be further improved.
The mixer 9 comprises a conical barrel 901 with two open ends, the small end of the conical barrel 901 forms an inlet of the mixer 9, the small end of the conical barrel 901 is connected with a white carbon black jet pipe 11, a flocculating agent jet pipe 12 and a natural latex jet pipe 13, a central shaft 902 is arranged in the conical barrel 901, a spiral slice 905 is arranged on the central shaft 902, the diameter of the spiral slice 905 is gradually reduced from the large end of the conical barrel 901 to the small end of the conical barrel 901, the outer diameter of the spiral slice 905 is ensured to be matched with the inner diameter of the cone, the turbulence created at the inlet of the mixer 9 is transported downstream with the flights 905, and during the transport, constantly impacts the flights 905, the white carbon black, the flocculating agent and the natural latex are further uniformly mixed, the spiral sheet 905 can prolong the running path of the turbulent flow and generate impact with the turbulent flow, and the mixing effect and the mixing efficiency of the white carbon black, the flocculating agent and the natural latex are improved.
As shown in fig. 5, one end of the central shaft 902 extends out of the small end of the conical cylinder 901, the other end of the central shaft 902 is fixed on the mounting plate 904, the mounting plate 904 is fixedly mounted with the large end of the conical cylinder 901, a plurality of through holes 906 are formed in the mounting plate 904, so that the mixed fluid after mixing can be continuously conveyed downstream through the through holes 906, a conical diversion part 903 is arranged at the end of the central shaft 902, the small end of the diversion part 903 faces the outlet of the flocculating agent jet pipe 12, the rotation center of the diversion part 903 is coaxially arranged with the center of the flocculating agent jet pipe 12, the diversion part 903 can divert the turbulent flow formed at the inlet of the mixer 9, so that a plurality of turbulent flows continuously collide with each other after entering the mixer 9, and the mixing effect and mixing efficiency of white carbon black, flocculating agent and natural rubber latex are further improved.
All be equipped with booster pump 8 on first pipeline 4, second pipeline 5 and the third pipeline 6, corresponding booster pump 8 is located white carbon black spout pipe 11, flocculating agent spout pipe 12 and natural latex spout pipe 13's upstream position respectively, can make the material carry out the secondary pressurization, and white carbon black, flocculating agent and natural latex jet effect are better, have further improved the mixed effect and the mixing efficiency of white carbon black, flocculating agent and natural latex.
When in use, the white carbon black, the flocculating agent and the natural latex are respectively added into the white carbon black storage pressure tank 1, the flocculating agent storage pressure tank 2 and the natural latex storage pressure tank 3, the white carbon black storage pressure tank 1, the flocculating agent storage pressure tank 2 and the natural latex storage pressure tank 3 are pressurized, the pressure in each tank can be adjusted according to needs by technicians in the field, the flow valves 7 arranged at the bottoms of the tanks can be adjusted according to needs, under the action of pressure, the white carbon black, the flocculating agent and the natural latex respectively flow out through the first conveying pipeline 4, the second conveying pipeline 5 and the third conveying pipeline 6, under the action of the booster pump 8, the white carbon black, the flocculating agent and the natural latex are respectively sprayed out from the white carbon black spray pipe 11, the flocculating agent spray pipe 12 and the natural latex spray pipe 13 to mutually collide to form turbulent flow, and touch the flow guide part 903 of the central shaft 902 after being mixed, the turbulent flow enters the conical barrel 901 along the spiral sheet 905 after being shunted, and is conveyed downstream, in the conveying process, a plurality of strands of turbulent flows impact each other and collide the inner walls of the spiral sheet 905 and the conical barrel 901, so that the white carbon black, the flocculating agent and the natural latex are fully mixed in the conical barrel 901, and the white carbon black, the flocculating agent and the natural latex are conveyed downstream through the through hole 906 after being uniformly mixed.
The invention does not use the traditional stirring with long service cycle, adopts the injection to form turbulent flow to achieve the effect of uniform mixing, improves the mixing effect and mixing efficiency of the white carbon black, the flocculating agent and the natural latex, and further shortens the rubber mixing cycle.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (9)
1. The white carbon black and natural rubber wet mixing method is characterized in that white carbon black, a flocculating agent and natural rubber latex are added into a white carbon black storage pressure tank, a flocculating agent storage pressure tank and a natural rubber latex storage pressure tank respectively, the white carbon black storage pressure tank, the flocculating agent storage pressure tank and the natural rubber latex storage pressure tank are internally pressurized, the white carbon black storage pressure tank is connected with a mixer through a first conveying pipeline, the flocculating agent storage pressure tank is connected with the mixer through a second conveying pipeline, the natural rubber latex storage pressure tank is connected with the mixer through a third conveying pipeline, a white carbon black spray pipe is arranged at the end part of the first conveying pipeline, a flocculating agent spray pipe is arranged at the end part of the second conveying pipeline, a natural rubber latex spray pipe is arranged at the end part of the third conveying pipeline, and the mixer is connected with the first conveying pipeline, the second conveying pipeline, the third conveying pipeline, the natural rubber latex spray pipe and the mixer are connected through a four-way channel respectively, Second pipeline and third pipeline, white carbon black jet flow pipe, flocculating agent jet flow pipe and natural latex jet flow pipe all are located in the cross passage, the export orientation of white carbon black jet flow pipe and natural latex jet flow pipe the export of flocculating agent jet flow pipe, under the pressure effect, white carbon black, flocculating agent and natural latex are followed respectively white carbon black jet flow pipe, flocculating agent jet flow pipe and natural latex jet flow pipe jet, and the striking forms the turbulent flow each other, gets into the blender mixes.
2. The wet mixing method of white carbon black and natural rubber according to claim 1, wherein the white carbon black injection pipe, the flocculant injection pipe and the natural latex injection pipe are located on the same plane.
3. The wet mixing method of white carbon black and natural rubber according to claim 2, wherein the outlet ends of the white carbon black injection pipe and the natural rubber latex injection pipe are provided with 45-degree grooves.
4. The wet mixing method of white carbon black and natural rubber according to claim 3, wherein the white carbon black injection pipe and the natural latex injection pipe are respectively located at two sides of the flocculant injection pipe, and an included angle between the white carbon black injection pipe and the flocculant injection pipe and an included angle between the natural latex injection pipe and the flocculant injection pipe are both 45 degrees.
5. The wet mixing method of silica and natural rubber according to any one of claims 1 to 4, wherein the mixer comprises a conical barrel with two open ends, the small end of the conical barrel is connected with the silica spray pipe, the flocculant spray pipe and the natural rubber latex spray pipe, a central shaft is arranged in the conical barrel, and the central shaft is provided with a spiral plate.
6. The wet mixing method of white carbon black and natural rubber according to claim 5, wherein the diameter of the spiral piece is gradually reduced from the large end of the tapered cylinder to the small end of the tapered cylinder.
7. The wet mixing method of white carbon black and natural rubber according to claim 6, wherein one end of the central shaft extends out of the small end of the tapered cylinder, and the other end of the central shaft is fixed on a mounting plate, and the mounting plate is provided with a plurality of through holes.
8. The wet mixing method of white carbon black and natural rubber according to claim 7, characterized in that a conical flow guide part is arranged at the end of the central shaft, and the rotation center of the flow guide part is coaxially arranged with the center of the flocculant spout pipe.
9. The wet mixing method of white carbon black and natural rubber according to claim 1, wherein the first conveying pipeline, the second conveying pipeline and the third conveying pipeline are respectively provided with a booster pump, and the booster pumps are respectively located at upstream positions of the white carbon black jet pipe, the flocculating agent jet pipe and the natural rubber latex jet pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110457379.9A CN113232187B (en) | 2021-04-27 | 2021-04-27 | White carbon black and natural rubber wet mixing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110457379.9A CN113232187B (en) | 2021-04-27 | 2021-04-27 | White carbon black and natural rubber wet mixing method |
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| CN113232187B CN113232187B (en) | 2022-08-19 |
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| CN212680677U (en) * | 2020-06-12 | 2021-03-12 | 青岛维实催化新材料科技有限责任公司 | Forced turbulator for mixing rare earth butadiene rubber polymerization raw materials |
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2021
- 2021-04-27 CN CN202110457379.9A patent/CN113232187B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1222878A (en) * | 1996-04-01 | 1999-07-14 | 卡伯特公司 | Novel elastomer composites, method and apparatus |
| CN1280534A (en) * | 1997-09-30 | 2001-01-17 | 卡伯特公司 | Elastomer composite blends and method for producing them |
| JP2011021108A (en) * | 2009-07-16 | 2011-02-03 | Toyo Tire & Rubber Co Ltd | Method for producing wet master batch, rubber composition obtained by using the wet master batch, and pneumatic tire obtained by using the rubber composition |
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| CN113232187B (en) | 2022-08-19 |
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