CN111993616A - Efficient BR and SBR rubber dissolving equipment - Google Patents
Efficient BR and SBR rubber dissolving equipment Download PDFInfo
- Publication number
- CN111993616A CN111993616A CN202010795811.0A CN202010795811A CN111993616A CN 111993616 A CN111993616 A CN 111993616A CN 202010795811 A CN202010795811 A CN 202010795811A CN 111993616 A CN111993616 A CN 111993616A
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- China
- Prior art keywords
- rubber
- dissolving
- tank
- styrene
- pipe
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Classifications
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- 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
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/06—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices
- B29B7/10—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary
- B29B7/12—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft
- B29B7/16—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type with movable mixing or kneading devices rotary with single shaft with paddles or arms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
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- 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
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
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- 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
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
-
- 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
- B29B7/02—Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
- B29B7/22—Component parts, details or accessories; Auxiliary operations
- B29B7/24—Component parts, details or accessories; Auxiliary operations for feeding
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention relates to a dissolving device for high-efficiency BR and SBR rubber, which comprises a rubber dissolving tank and a rubber feeding tank opening arranged at the top of the rubber dissolving tank, wherein a rubber crusher is hermetically arranged at the top of the rubber feeding tank opening, a styrene supply pipe is arranged on the outer side of the rubber dissolving tank, and a styrene spraying mechanism connected with a styrene supply branch pipe is arranged at the rubber feeding tank opening; a material stirring mechanism is arranged in the rubber dissolving tank, and the bottom of the rubber dissolving tank is connected with a circulating grinding mechanism; the equipment adopts an efficient stirrer to realize the sufficient and uniform mixing of rubber and styrene monomers and eliminate a mixing dead zone in the tank; a styrene spraying mechanism is arranged at the mouth of the rubber feeding tank, so that dust removal is facilitated and the rubber particles are prevented from being hung on the wall; the rubber feeding tank opening is also connected with a nitrogen supply pipe, and the design of inlet nitrogen sealing and micro negative pressure of the rubber dissolving tank is adopted to prevent air from entering and peculiar smell from leaking; and a circulating grinding mechanism is arranged, so that the dissolving process is accelerated, and the dissolving efficiency and quality are ensured.
Description
Technical Field
The invention relates to the field of chemical equipment, in particular to efficient BR and SBR rubber dissolving equipment.
Background
In HIPS and body ABS resin production field, dissolve quantitative BR \ SBR rubber in styrene monomer, it is an indispensable step in HIPS and body ABS resin production process to formulate styrene rubber solution, present rubber dissolving tank exists the stirring inhomogeneous, the rubber fritter is gathered into the heap in the jar, rubber does not realize totally closed feeding, there is styrene gas in the rubber feed inlet to escape from the below, or the phenomenon of entering dissolving tank under the air, dangerous and on-the-spot peculiar smell is very big, seriously influence the safe and stable operation of device, this patent carries out rubber dissolving equipment structural improvement based on above technical problem.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provide efficient BR and SBR rubber dissolving equipment.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a dissolving device for high-efficiency BR and SBR rubber comprises a rubber dissolving tank, a rubber feeding tank opening arranged at the top of the rubber dissolving tank, a rubber crusher arranged at the top of the rubber feeding tank opening in a sealing manner, a styrene supply pipe arranged at the outer side of the rubber dissolving tank, the styrene supply pipe connected with the rubber feeding tank opening through a first styrene supply branch pipe, the styrene supply pipe connected with a body unit of the rubber dissolving tank through a second styrene supply branch pipe, and a styrene spraying mechanism connected with the first styrene supply branch pipe arranged at the rubber feeding tank opening;
the rubber dissolving tank is internally provided with a material stirring mechanism, and the bottom of the rubber dissolving tank is connected with a circulating grinding mechanism.
Further, the styrene spraying mechanism comprises an annular pipe connected with the first styrene supply branch pipe and a spraying head arranged on the annular pipe, and the port of the spraying head faces the rubber dissolving tank.
Further, the material stirring mechanism comprises a stirring shaft arranged in the rubber dissolving tank, and stirring blades arranged on the stirring shaft, wherein a stirring motor connected with the stirring shaft is arranged at the top of the rubber dissolving tank.
Further, the circulating grinding mechanism comprises a circulating delivery pipe connected with the bottom of the rubber dissolving tank, a grinding circulating pump connected with the circulating delivery pipe, and a plurality of circulating inlet pipes connected with the output end of the grinding circulating pump, wherein the circulating inlet pipes are connected with the top and the bottom of the rubber dissolving tank.
Furthermore, a throttle valve is installed on the circulating delivery pipe, the output end of the grinding circulating pump is also connected with a liquid outlet pipe, a valve is installed on the liquid outlet pipe, and the liquid outlet pipe is connected with the polymerization unit.
Furthermore, the rubber feeding tank opening is also connected with a nitrogen supply pipe, and the top of the rubber dissolving tank is connected with a tail gas delivery pipe.
Further, one side of the rubber crushing machine is provided with a rubber block conveying belt.
The invention has the beneficial effects that: 1. an efficient stirrer is selected to realize the full and uniform mixing of rubber and styrene monomers and eliminate a mixing dead zone in the tank; 2. a styrene spraying mechanism is arranged at the mouth of the rubber feeding tank, so that dust removal is facilitated and the rubber particles are prevented from being hung on the wall; 3. the rubber feeding tank opening is also connected with a nitrogen supply pipe, and the design of inlet nitrogen sealing and micro negative pressure of the rubber dissolving tank is adopted to prevent air from entering and peculiar smell from leaking; 4. and a circulating grinding mechanism is arranged, so that the dissolving process is accelerated, and the dissolving efficiency and quality are ensured.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
As shown in figure 1, the dissolving device for high-efficiency BR and SBR rubber comprises a rubber dissolving tank 1, a rubber feeding tank opening 2 arranged at the top of the rubber dissolving tank 1, a rubber crusher 3 arranged at the top of the rubber feeding tank opening 2 in a sealing way, a styrene supply pipe 4 arranged at the outer side of the rubber dissolving tank 1, the styrene supply pipe 4 connected with the rubber feeding tank opening 2 through a first styrene supply branch pipe 5, the styrene supply pipe 4 connected with a body unit of the rubber dissolving tank 1 through a second styrene supply branch pipe 6, and a styrene spraying mechanism connected with the first styrene supply branch pipe 5 arranged at the rubber feeding tank opening 2; a material stirring mechanism is arranged in the rubber dissolving tank 1, and the bottom of the rubber dissolving tank is connected with a circulating grinding mechanism.
Further, the styrene spraying mechanism includes a ring pipe 7 connected to the first styrene supply branch pipe 5 and a spray header 8 mounted on the ring pipe 7, and a port of the spray header 8 faces the rubber dissolving tank 1.
The material stirring mechanism comprises a stirring shaft 9 arranged in the rubber dissolving tank 1 and a stirring paddle blade 10 arranged on the stirring shaft 9, and the top of the rubber dissolving tank 1 is provided with a stirring motor 11 connected with the stirring shaft 9. The material stirring mechanism achieves the purpose of fast reaction and dissolution of rubber particles and styrene in the rubber dissolving tank 1.
Further, the circulating grinding mechanism comprises a circulating delivery pipe 12 connected with the bottom of the rubber dissolving tank 1, a grinding circulating pump 13 connected with the circulating delivery pipe 12, and a plurality of circulating inlet pipes 14 connected with the output end of the grinding circulating pump 13, wherein the circulating inlet pipes 14 are connected with the top and the bottom of the rubber dissolving tank 1. The circulating delivery pipe 12 is provided with a throttle valve 15, the output end of the grinding circulating pump 13 is also connected with a liquid outlet pipe 16, the liquid outlet pipe 16 is provided with a valve 17, and the liquid outlet pipe 16 is connected with the polymerization unit.
Further, the nitrogen gas supply pipe 18 is also connected to the rubber feed tank port 2, and nitrogen gas introduced by the nitrogen gas supply pipe 18 at a high speed plays a role in nitrogen sealing to the rubber feed tank port 2, and plays a role in micro negative pressure of a rubber dissolving tank, so that air entering and peculiar smell leakage are prevented.
The top of the rubber dissolving tank 1 is connected with a tail gas delivery pipe 19, and one side of the rubber crushing machine 3 is provided with a rubber block conveying belt 20.
When the equipment is processed, a rubber block conveyer belt 20 conveys a rubber block 21 to a rubber crusher 3 to be cut and crushed to form rubber particles, the rubber particles fall into a rubber dissolving tank 1, meanwhile, a styrene supply pipe 4 guides styrene into the rubber dissolving tank 1 to dissolve the rubber particles to form a styrene rubber solution, meanwhile, a stirring motor 11 drives a stirring paddle blade 10 to rotate to stir the solution, so that the dissolving speed is accelerated, in the processing process, the styrene sprayed by a spray head 8 at a rubber feeding tank port 2 is in contact with dust, so that the effects of dedusting and preventing the rubber particles from being hung on the wall are achieved, in addition, a nitrogen supply pipe 18 at the rubber feeding tank port 2 is used for introducing nitrogen at a high speed, and an inlet nitrogen seal and a micro negative pressure design of the rubber dissolving tank are adopted, so that air cross-in and peculiar smell are prevented from leaking;
in addition, during the reaction processing, the grinding circulating pump 13 is used for leading out the solution in the rubber dissolving tank 1 at regular time for circulating grinding, so that the auxiliary processing effect is achieved, the dissolving process is accelerated, and the dissolving efficiency and quality are ensured.
In conclusion, the equipment adopts the efficient stirrer to realize the full and uniform mixing of the rubber and the styrene monomer and eliminate the mixing dead zone in the tank; a styrene spraying mechanism is arranged at the mouth of the rubber feeding tank, so that dust removal is facilitated and the rubber particles are prevented from being hung on the wall; the rubber feeding tank opening is also connected with a nitrogen supply pipe, and the design of inlet nitrogen sealing and micro negative pressure of the rubber dissolving tank is adopted to prevent air from entering and peculiar smell from leaking; and a circulating grinding mechanism is arranged, so that the dissolving process is accelerated, and the dissolving efficiency and quality are ensured.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A dissolving device for high-efficiency BR and SBR rubber comprises a rubber dissolving tank and a rubber feeding tank opening arranged at the top of the rubber dissolving tank, and is characterized in that a rubber crusher is hermetically arranged at the top of the rubber feeding tank opening, a styrene supply pipe is arranged on the outer side of the rubber dissolving tank, the styrene supply pipe is connected with the rubber feeding tank opening through a first styrene supply branch pipe, the styrene supply pipe is connected with a body unit of the rubber dissolving tank through a second styrene supply branch pipe, and a styrene spraying mechanism connected with the first styrene supply branch pipe is arranged at the rubber feeding tank opening;
the rubber dissolving tank is internally provided with a material stirring mechanism, and the bottom of the rubber dissolving tank is connected with a circulating grinding mechanism.
2. The dissolving apparatus for BR and SBR rubber according to claim 1, wherein said styrene spraying means comprises a ring pipe connected to the first styrene supply branch pipe and a spray header installed on the ring pipe, and a port of the spray header faces the rubber dissolving tank.
3. The dissolving equipment for high-efficiency BR and SBR rubber according to claim 1 or 2, wherein the material stirring mechanism comprises a stirring shaft arranged in the rubber dissolving tank, and a stirring blade arranged on the stirring shaft, and the top of the rubber dissolving tank is provided with a stirring motor connected with the stirring shaft.
4. The dissolving apparatus for BR and SBR rubber according to claim 3, wherein the circulating grinding mechanism comprises a plurality of circulating lead-in pipes connected to the bottom of the rubber dissolving tank, a grinding circulation pump connected to the circulating lead-out pipe, and a circulating lead-in pipe connected to the output end of the grinding circulation pump, the circulating lead-in pipes being connected to the top and bottom of the rubber dissolving tank.
5. The efficient BR and SBR rubber dissolving apparatus of claim 4, wherein said recycle outlet pipe is provided with a throttle valve, the output end of said grinding recycle pump is further connected to a drain pipe, the drain pipe is provided with a valve, and the drain pipe is connected to said polymerization unit.
6. The dissolving apparatus for BR and SBR rubber according to claim 4, wherein a nitrogen supply pipe is further connected to the rubber feed tank port, and an exhaust gas delivery pipe is connected to the top of the rubber dissolving tank.
7. The dissolving apparatus for BR and SBR rubber according to claim 4, wherein said rubber crusher is provided with a rubber block conveyer at one side thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010795811.0A CN111993616A (en) | 2020-08-10 | 2020-08-10 | Efficient BR and SBR rubber dissolving equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010795811.0A CN111993616A (en) | 2020-08-10 | 2020-08-10 | Efficient BR and SBR rubber dissolving equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111993616A true CN111993616A (en) | 2020-11-27 |
Family
ID=73463356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010795811.0A Pending CN111993616A (en) | 2020-08-10 | 2020-08-10 | Efficient BR and SBR rubber dissolving equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111993616A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1201797A (en) * | 1997-04-08 | 1998-12-16 | 东洋工程公司 | Method of continuously dissolving rubber |
| CN102344394A (en) * | 2011-07-26 | 2012-02-08 | 河北克尔化工有限公司 | Preparation method of nitroguanidine and its derivatives N-methylnitroguanidine and oxadiazine |
| DK2218565T3 (en) * | 2007-02-15 | 2012-09-17 | Erema | Method and apparatus for processing a material |
| CN103476561A (en) * | 2011-03-31 | 2013-12-25 | 三菱化学株式会社 | Method for manufacturing polycarbonate resin, polycarbonate resin, and methods for manufacturing polycarbonate-resin film and polycarbonate-resin pellets |
| CN205323748U (en) * | 2015-12-21 | 2016-06-22 | 长乐恒申合纤科技有限公司 | Reaction unit is retrieved to prepolymer |
| CN206253023U (en) * | 2016-11-30 | 2017-06-16 | 山东恒联新材料股份有限公司 | A kind of cellulosics high viscosity viscose glue dissolver |
| EP3181591A1 (en) * | 2012-06-18 | 2017-06-21 | Bridgestone Corporation | Methods for increasing the extractable rubber content of non-hevea plant matter |
| CN208975806U (en) * | 2018-09-27 | 2019-06-14 | 青岛科润生物科技有限公司 | A kind of stirring apparatus for reaction kettle with elevating hopper |
| CN110545929A (en) * | 2017-02-24 | 2019-12-06 | 卡博陶粒有限公司 | binder material for producing ceramic particles |
-
2020
- 2020-08-10 CN CN202010795811.0A patent/CN111993616A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1201797A (en) * | 1997-04-08 | 1998-12-16 | 东洋工程公司 | Method of continuously dissolving rubber |
| DK2218565T3 (en) * | 2007-02-15 | 2012-09-17 | Erema | Method and apparatus for processing a material |
| CN103476561A (en) * | 2011-03-31 | 2013-12-25 | 三菱化学株式会社 | Method for manufacturing polycarbonate resin, polycarbonate resin, and methods for manufacturing polycarbonate-resin film and polycarbonate-resin pellets |
| CN102344394A (en) * | 2011-07-26 | 2012-02-08 | 河北克尔化工有限公司 | Preparation method of nitroguanidine and its derivatives N-methylnitroguanidine and oxadiazine |
| EP3181591A1 (en) * | 2012-06-18 | 2017-06-21 | Bridgestone Corporation | Methods for increasing the extractable rubber content of non-hevea plant matter |
| CN205323748U (en) * | 2015-12-21 | 2016-06-22 | 长乐恒申合纤科技有限公司 | Reaction unit is retrieved to prepolymer |
| CN206253023U (en) * | 2016-11-30 | 2017-06-16 | 山东恒联新材料股份有限公司 | A kind of cellulosics high viscosity viscose glue dissolver |
| CN110545929A (en) * | 2017-02-24 | 2019-12-06 | 卡博陶粒有限公司 | binder material for producing ceramic particles |
| CN208975806U (en) * | 2018-09-27 | 2019-06-14 | 青岛科润生物科技有限公司 | A kind of stirring apparatus for reaction kettle with elevating hopper |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20201127 |
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| RJ01 | Rejection of invention patent application after publication |