CN115475577A - Horizontal polymer reactor - Google Patents
Horizontal polymer reactor Download PDFInfo
- Publication number
- CN115475577A CN115475577A CN202110661265.6A CN202110661265A CN115475577A CN 115475577 A CN115475577 A CN 115475577A CN 202110661265 A CN202110661265 A CN 202110661265A CN 115475577 A CN115475577 A CN 115475577A
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- Prior art keywords
- shell
- port
- polymer reactor
- hole
- horizontal polymer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229920000642 polymer Polymers 0.000 title claims abstract description 29
- 238000003756 stirring Methods 0.000 claims abstract description 31
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 239000003054 catalyst Substances 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 238000007599 discharging Methods 0.000 claims abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000006116 polymerization reaction Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 16
- 239000000463 material Substances 0.000 description 13
- -1 Polypropylene Polymers 0.000 description 12
- 239000004743 Polypropylene Substances 0.000 description 12
- 229920001155 polypropylene Polymers 0.000 description 12
- 230000008569 process Effects 0.000 description 11
- 238000007689 inspection Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000012071 phase Substances 0.000 description 4
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 4
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/08—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles
- B01J8/10—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles moved by stirrers or by rotary drums or rotary receptacles or endless belts
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
- C08F10/04—Monomers containing three or four carbon atoms
- C08F10/06—Propene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/01—Processes of polymerisation characterised by special features of the polymerisation apparatus used
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polymerisation Methods In General (AREA)
Abstract
The invention relates to a horizontal polymer reactor comprising: the device comprises a shell, wherein the shell is horizontally arranged, a settling bin is arranged at the top of the shell, a settling bin feeding hole is formed in the settling bin, a cyclone return hole, a reaction termination hole, a feeding hole, a liquid level meter hole, an initial feeding hole and a catalyst inlet are formed in the top of the shell, and a circulating gas port and a discharging hole are formed in the bottom of the shell; a transmission including a drive end and a driven end; the reactor end socket comprises a shaft end sealing piece connected with one end of the shell and a driven end socket connected with the other end of the shell, and the shaft end sealing piece is connected with the driving end; the stirring shaft is horizontally positioned in the shell, two ends of the stirring shaft are respectively connected with the driving end and the driven end, and stirring blades are arranged on the stirring shaft. The reaction equipment can meet the technological requirements required by polymerization reaction, and has the characteristics of production continuity and high efficiency.
Description
Technical Field
The invention relates to the technical field of chemical equipment, in particular to a horizontal polymer reactor.
Background
Polypropylene is a polymer obtained by the polyaddition of propylene. The polypropylene is widely applied to the production of fiber products such as clothes, blankets and the like, medical instruments, automobiles, bicycles, parts, conveying pipelines, chemical containers and the like, and is also used for packaging foods and medicines.
The production process of propylene mainly goes through several development stages of a solvent method, a solution method, a liquid-phase bulk method (including a liquid-phase gas-phase combined method) and a gas-phase method. The technological processes used in the world for producing polypropylene are classified into the following major categories: solvent processes, solution processes, liquid bulk processes (including liquid phase and gas phase combination) and gas phase processes.
The horizon-type reactor is used in the horizon-type stirring process, propylene is polymerized in the horizontal polymerization reactor under the action of catalyst to produce polypropylene powder, which flows into the airlock under the action of gravity and the pressure of propylene to enter the second reactor, and the technological parameters are regulated in the second reactor to produce required polypropylene material. The horizon process pursues to produce high-performance polypropylene materials, particularly NEWCON series polypropylene materials can be directly produced in a process reactor, and the polypropylene has higher market share in the field of automobile special resin.
The horizon process can produce high-performance polypropylene materials, but the production capacity is insufficient, the cost is high, and with the increase of the polypropylene demand and the improvement of the comprehensive economy requirement, the polypropylene device has larger scale, the requirement on process equipment is higher, and the requirement on the production capacity of the equipment is higher.
Disclosure of Invention
The invention aims to provide a horizontal polymer reactor to overcome the defect of low capacity of a polypropylene reactor in the prior art.
To achieve the above object, the present invention provides a horizontal type polymer reactor comprising:
the device comprises a shell, a cyclone return port, a reaction ending port, a feed port, a liquid level meter port, an initial feed port and a catalyst inlet are arranged at the top of the shell, and a circulating gas port and a discharge port are arranged at the bottom of the shell;
a transmission including a drive end and a driven end;
the reactor end socket comprises a shaft end sealing piece connected with one end of the shell and a driven end socket connected with the other end of the shell, and the shaft end sealing piece is connected with the driving end;
the stirring shaft is horizontally positioned inside the shell, two ends of the stirring shaft are respectively connected with the driving end and the driven end, and stirring blades are arranged on the stirring shaft.
The horizontal polymer reactor is characterized in that a shell body overhaul manhole and a standby port are arranged at the top of the shell body, and the shell body overhaul manhole is close to the end part of the shell body.
The horizontal polymer reactor is characterized in that a pressure measuring port, a pressure balance port, a heat tracing system and a shaft end maintenance manhole are arranged on the driven end sealing head.
The horizontal polymer reactor is characterized in that the bottom of the shell is also provided with a temperature measuring port and a drain port.
According to the horizontal polymer reactor, an equipment support is arranged below the shell, and a transmission support piece is arranged below the transmission device.
The horizontal polymer reactor is characterized in that the number of the settling bins is two, and the feeding port is positioned between the two settling bins.
The horizontal polymer reactor is characterized in that the number of the reaction termination ports, the number of the temperature measuring ports and the number of the circulating gas ports are all multiple.
The horizontal polymer reactor is characterized in that the air inlet and the liquid level meter port are positioned in the middle area of the shell.
The horizontal polymer reactor is characterized in that the driven end is positioned in the driven end head.
The horizontal polymer reactor is characterized in that the discharge port is close to the driving end.
The invention has the beneficial effects that:
the invention 1 is a horizontal continuous polymerization reaction device, can meet the technological requirement required by polymerization reaction, and has the characteristics of production continuity and high efficiency;
2, the invention adopts a horizontal stirring structure, blades on the stirring shaft are uniformly distributed on the stirring shaft, and the uniform distribution of various reactants can be ensured during material polymerization;
3 the rotating speed of the stirring shaft is adjustable, and the stirring shaft can be adjusted in real time according to the requirements of the reaction process;
4, the invention is provided with a plurality of reaction termination ports, so that the reaction in the reactor can be terminated quickly;
5, the driven end of the invention is provided with a heat tracing system and a pressure balance port, thus ensuring the reliability of end face sealing in the reaction process;
6 the top of the invention is provided with two settling bins, which ensures that the materials brought up by the airflow during the operation of the device sink into the reactor under the action of gravity and improves the efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a horizontal polymer reaction kettle according to the present invention.
Wherein, the reference numbers:
1. a transmission device;
2. a shaft end seal;
3. a cyclone material return port;
4. a shell maintenance manhole;
5. settling a bin;
6. settling bin feed inlet
7. A reaction termination port;
8. a feed inlet;
9. a level gauge port;
10. an initial feed inlet;
11. a catalyst inlet;
12. a driven end sealing head;
13. a pressure measuring port;
14. a pressure balancing port;
15. a heat tracing system;
16. a shaft end inspection manhole;
17. a temperature measuring port;
18. an equipment support;
29. a circulation air port;
20. a discharge port is cleaned;
21. a stirring blade;
22. a stirring shaft;
23. a discharge port;
24. transmission support
Detailed Description
The present invention will be specifically described below by way of examples. It should be noted that the following examples are given solely for the purpose of illustration and are not to be construed as limitations on the scope of the invention, as many insubstantial modifications and variations of the invention may be made by those skilled in the art in light of the above teachings.
Fig. 1 is a schematic structural view of a horizontal polymer reactor according to an embodiment of the present invention. Referring to fig. 1, a horizontal type polymer reactor includes: the device comprises a shell, wherein the shell is horizontally arranged, two settling bins 5 are arranged at the top of the shell, a settling bin feed inlet 6 is arranged on each settling bin 5, a cyclone return port 3, a shell overhaul port 4, a reaction termination port 7, a feed inlet 8, a liquid level meter port 9, a standby port, an initial feed inlet 10 and a catalyst inlet 11 are arranged at the top of the shell, and a circulating gas port 19, a discharge port 23, a temperature measuring port 17 and a drain port 20 are arranged at the bottom of the shell; a transmission 1 comprising a drive end and a driven end; the reactor end socket comprises a shaft end sealing piece 2 connected with one end of a shell and a driven end socket 12 connected with the other end of the shell, wherein the driven end socket 12 is provided with a pressure measuring port 13, a pressure balancing port 14, a heat tracing system 15 and a shaft end maintenance manhole 16, and the shaft end sealing piece 2 is connected with a driving end; the stirring shaft 22 is horizontally positioned in the shell, two ends of the stirring shaft 22 are respectively connected with the driving end and the driven end, and stirring blades 21 are arranged on the stirring shaft 22.
Because the driven end of the transmission device 1 has thermal expansion allowance, in order to ensure the sealing reliability of the equipment, the two ends of the shell are provided with a shaft end sealing element 2 and a driven end sealing head 12 to ensure the sealing performance of the reactor; the shell inspection manholes 4 are formed near the two ends of the shell, so that the maintenance is convenient when equipment fails; the cyclone material return port 3 arranged above the shell can improve the recovery rate of materials; the sedimentation bin 5 is connected with the shell through a flange and has enough height to facilitate the sedimentation of materials; the reaction end stop ports 7 are arranged, so that the safe and stable operation of equipment can be ensured; the pressure measuring port 13 and the pressure balancing port 14 arranged on the driven end sealing head 12 can ensure the pressure in the sealing head to be stable, the heat tracing system 15 arranged can ensure the reactor to be stable, and the shaft end inspection manhole 16 is convenient for the sealing inspection of the driven end; a plurality of temperature measuring ports 17 and recycle gas ports 19 are provided in the bottom of the shell for control of process conditions in the reactor.
In one embodiment of the invention, the driven end is located within the driven end socket 12.
In one embodiment of the present invention, the discharge port 23 is near the driving end.
In one embodiment of the invention, the equipment support 18 is provided below the housing, and the transmission support 24 is provided below the transmission 1.
When the reactor works, materials required for starting reaction are added from the initial feeding hole 10, the transmission device 1 is started to drive the stirring shaft 22 and the stirring blades 21 to rotate, the initially added materials are driven by the stirring blades 21 to turn over, raw materials enter the reactor from the feeding hole 8 and the circulating air port 19 at the bottom, and a catalyst is added into the reactor from the catalyst inlet 11. Since the stirring vanes 21 are rotated while the bottom circulation gas port 19 is injected upward into the reactor, the material in the reactor is maintained in a semi-fluidized state. The stirring blades 21 on the stirring shaft 22 are uniformly distributed, so that hot spots are prevented from being formed in the reactor. The product produced in the reactor is discharged from the discharge port 23 by gravity and the stirring blade 21. A plurality of reaction end sockets 7 are distributed on the upper part of the reactor, and when the reaction is abnormal, an inhibitor is added into the reaction end sockets 7, so that the stable and safe operation of the reactor is ensured.
The present invention is capable of other embodiments, and various changes and modifications can be made by one skilled in the art without departing from the spirit and scope of the invention.
Claims (10)
1. A horizontal polymer reactor, comprising:
the device comprises a shell, wherein the shell is horizontally arranged, a settling bin is arranged at the top of the shell, a settling bin feeding hole is formed in the settling bin, a cyclone return hole, a reaction termination hole, a feeding hole, a liquid level meter hole, an initial feeding hole and a catalyst inlet are formed in the top of the shell, and a circulating gas port and a discharging hole are formed in the bottom of the shell;
a transmission including a drive end and a driven end;
the reactor end socket comprises a shaft end sealing piece connected with one end of the shell and a driven end socket connected with the other end of the shell, and the shaft end sealing piece is connected with the driving end;
the stirring shaft is horizontally positioned in the shell, two ends of the stirring shaft are respectively connected with the driving end and the driven end, and stirring blades are arranged on the stirring shaft.
2. The horizontal polymer reactor according to claim 1, wherein the top of the shell is provided with a shell access manhole and a spare port, and the shell access manhole is close to the end of the shell.
3. The horizontal polymer reactor as claimed in claim 1, wherein the driven end head is provided with a pressure measuring port, a pressure balancing port, a heat tracing system and a shaft end manhole.
4. The horizontal polymer reactor as claimed in claim 1, wherein the bottom of the shell is further provided with a temperature measuring port and a drain port.
5. The horizontal polymer reactor according to claim 1, wherein an equipment support is arranged below the shell, and a transmission support is arranged below the transmission device.
6. The horizontal polymer reactor according to claim 1, wherein the number of the settling bins is two, and the feed port is located between the two settling bins.
7. The horizontal polymer reactor according to claim 1, wherein the number of the reaction terminating port, the temperature measuring port and the circulating gas port is plural.
8. The horizontal polymer reactor according to claim 1, wherein the gas inlet and the level gauge port are located in a middle region of the housing.
9. The horizontal polymer reactor of claim 1, wherein the driven end is located within a driven end head.
10. The horizontal polymer reactor according to claim 1, wherein the discharge port is near the drive end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110661265.6A CN115475577A (en) | 2021-06-15 | 2021-06-15 | Horizontal polymer reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110661265.6A CN115475577A (en) | 2021-06-15 | 2021-06-15 | Horizontal polymer reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115475577A true CN115475577A (en) | 2022-12-16 |
Family
ID=84419202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110661265.6A Pending CN115475577A (en) | 2021-06-15 | 2021-06-15 | Horizontal polymer reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115475577A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1176257A (en) * | 1996-09-12 | 1998-03-18 | 三井石油化学工业株式会社 | Metnod of terminating gas phase polymerization of olefin, method of initiating polymerization and apparatus therefor |
| CN107243302A (en) * | 2017-06-09 | 2017-10-13 | 金川集团股份有限公司 | A kind of continuous oxonation device |
| CN107983289A (en) * | 2018-01-15 | 2018-05-04 | 河北双牛建材纤维素有限公司 | A kind of horizontal reacting kettle device |
| CN111875726A (en) * | 2020-08-12 | 2020-11-03 | 上海赛科石油化工有限责任公司 | Polypropylene production operation control method |
| CN217248808U (en) * | 2021-06-15 | 2022-08-23 | 天华化工机械及自动化研究设计院有限公司 | Horizontal polymer reactor |
-
2021
- 2021-06-15 CN CN202110661265.6A patent/CN115475577A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1176257A (en) * | 1996-09-12 | 1998-03-18 | 三井石油化学工业株式会社 | Metnod of terminating gas phase polymerization of olefin, method of initiating polymerization and apparatus therefor |
| CN107243302A (en) * | 2017-06-09 | 2017-10-13 | 金川集团股份有限公司 | A kind of continuous oxonation device |
| CN107983289A (en) * | 2018-01-15 | 2018-05-04 | 河北双牛建材纤维素有限公司 | A kind of horizontal reacting kettle device |
| CN111875726A (en) * | 2020-08-12 | 2020-11-03 | 上海赛科石油化工有限责任公司 | Polypropylene production operation control method |
| CN217248808U (en) * | 2021-06-15 | 2022-08-23 | 天华化工机械及自动化研究设计院有限公司 | Horizontal polymer reactor |
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