CN222131919U - A polymerization reactor - Google Patents
A polymerization reactor Download PDFInfo
- Publication number
- CN222131919U CN222131919U CN202420807087.2U CN202420807087U CN222131919U CN 222131919 U CN222131919 U CN 222131919U CN 202420807087 U CN202420807087 U CN 202420807087U CN 222131919 U CN222131919 U CN 222131919U
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- Prior art keywords
- polymerization reactor
- fixedly connected
- reactor tank
- tank body
- gas
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- 238000006116 polymerization reaction Methods 0.000 title claims abstract description 92
- 238000003756 stirring Methods 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims description 28
- 238000007790 scraping Methods 0.000 claims description 11
- 238000005192 partition Methods 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 23
- 238000006243 chemical reaction Methods 0.000 abstract description 16
- 238000002156 mixing Methods 0.000 abstract description 15
- 239000002904 solvent Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 239000008187 granular material Substances 0.000 abstract description 2
- 238000010298 pulverizing process Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 41
- 239000007791 liquid phase Substances 0.000 description 7
- 239000012071 phase Substances 0.000 description 6
- 210000003781 tooth socket Anatomy 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000010564 aerobic fermentation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000012864 cross contamination Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- Y02P20/141—Feedstock
Landscapes
- Polymerisation Methods In General (AREA)
Abstract
本实用新型公开了一种聚合反应器，包括聚合反应器罐体，所述聚合反应器罐体顶部设置有密封盖，所述聚合反应器罐体底部设置有排料管，所述密封盖顶部分别固定连接有进液管和进料管，通过驱动混合反应机构中设有的电机使转轴、横杆、搅拌轴和刮板进行旋转，设有的搅拌轴可以对内部的物料和溶剂进行混合，以达到聚合反应的效果，设有的刮板则对聚合反应器罐体内部粘附的物料进行刮适，以提高聚合反应的混合效果，同时也可以避免影响下次聚合反应，设有的粉碎螺杆则在齿轮与内齿槽的啮合转动下进行旋转，以便于对聚合反应器罐体内部颗粒物料进行粉碎处理，从而进一步提高物料与溶剂之间的聚合反应效率。
The utility model discloses a polymerization reactor, comprising a polymerization reactor tank body, a sealing cover is arranged on the top of the polymerization reactor tank body, a discharge pipe is arranged on the bottom of the polymerization reactor tank body, a liquid inlet pipe and a feed pipe are respectively fixedly connected to the top of the sealing cover, a rotating shaft, a cross bar, a stirring shaft and a scraper are rotated by driving a motor arranged in a mixing reaction mechanism, the stirring shaft can mix the internal material and solvent to achieve the effect of polymerization reaction, the scraper is arranged to scrape the material adhered to the inside of the polymerization reactor tank body to improve the mixing effect of the polymerization reaction and also avoid affecting the next polymerization reaction, the pulverizing screw is rotated under the meshing rotation of the gear and the inner tooth groove, so as to pulverize the granular material inside the polymerization reactor tank body, thereby further improving the polymerization reaction efficiency between the material and the solvent.
Description
Technical Field
The utility model belongs to the technical field of polymerization reactors, and particularly relates to a polymerization reactor.
Background
The polymerization reactor is an important chemical reaction unit device in chemical production, and has the characteristics of good mixing effect, high momentum, heat and mass transfer efficiency and the like. Among stirred reactors, gas-liquid stirred reactors are an important type. Gas-liquid stirred reactors are widely used, for example, in oxidation, hydrogenation, aerobic fermentation, polymerization and other processes. In addition to the continuous phase liquid phase, the gas-liquid stirred reactor has an increased dispersed phase gas phase relative to a single phase stirred reactor. This determines the performance of the gas-liquid stirred reactor, which is mainly dependent on macroscopic parameters such as stirrer type, aeration and input power, wherein the blade shape and rotation speed of the blades determine the breaking of the bubbles, the size of the bubbles and the dispersion of the bubbles in the liquid phase, which in turn enhances the turbulence of the fluid and forms a gas-liquid interface. The stirring paddle has the main effects of strengthening mass transfer, namely, firstly, higher-strength fluid shear stress is generated in a paddle area to break bubbles, so that the contact area of gas phase and liquid phase is increased, and meanwhile, broken small bubbles have smaller rising speed in liquid phase, so that the contact time of gas phase and liquid phase is prolonged. In addition, most of gas mass transfer processes are mainly controlled by liquid film resistance, so that stirring can increase the update rate of a liquid phase, thereby strengthening the mass transfer process of gas and liquid phases.
For example, the application number CN201220120825.3 relates to a polymerization reactor, and mainly solves the problems of slurry accumulation and material blockage in the polymerization reactor and low ethylene conversion rate caused by uneven stirring of materials in the polymerization reactor in the prior art. The stirring paddle is arranged in the stirring device, and comprises a stirring shaft and at least two layers of stirring paddles. The stirring paddle is characterized in that the lowest layer of paddles is an arc-shaped plate with the bottom being arc-shaped and the outer side being parallel to the wall of the reactor, the vertical distance h2 between the arc edge of the arc-shaped plate and the corresponding bottom arc of the reactor and the distance h1 between the outer side of each paddle and the wall of the reactor meet the relation of h 1/h2=1 (0.8-1.2), so that the stirring paddle can be well used for industrial production of high-density polyethylene. However, in the comparative case, only the arc-shaped plate is used for stirring the wall, but the materials adhered to the wall surface are not treated, so that the materials are unevenly mixed, the next mixing reaction is affected, and the use requirement is difficult to meet.
Disclosure of utility model
The utility model aims to overcome the prior art, and provides a polymerization reactor to solve the problems that in the prior art, only a single stirring is carried out on the wall position through an arc-shaped plate, but materials adhered to the wall surface are not treated, so that the materials are unevenly mixed, the next mixing reaction is influenced, and the use requirement is difficult to meet.
In order to achieve the above purpose, the utility model provides the technical scheme that the polymerization reactor comprises a polymerization reactor tank body, a sealing cover is arranged at the top of the polymerization reactor tank body, a discharging pipe is arranged at the bottom of the polymerization reactor tank body, a liquid inlet pipe and a feeding pipe are respectively and fixedly connected to the top of the sealing cover, an inner tooth socket is formed in the upper end of the inside of the polymerization reactor tank body, a motor is fixedly connected to the top of the sealing cover, a rotating shaft is fixedly connected to the output end of the motor, a stirring shaft is fixedly connected to the outer side of the rotating shaft, a cross rod is fixedly connected to the upper end of the outer side of the rotating shaft, scraping plates are fixedly connected to the two ends of the cross rod, crushing screws are rotatably connected to the two ends of the inner side of the cross rod, gears are fixedly connected to the upper end of the outer side of the crushing screws, and a filtering mechanism is arranged at the upper end of the outer side of the polymerization reactor tank body.
Preferably, the bottom of the polymerization reactor tank body is fixedly connected with a supporting leg.
Preferably, the sealing cover and the polymerization reactor tank are fixedly connected through bolts and nuts.
Preferably, the first control valve is fixedly connected to the outer side of the discharge pipe, and the second control valves are fixedly connected to the outer sides of the liquid inlet pipe and the feed pipe.
Preferably, the outside of the polymerization reactor tank is fixedly connected with a controller.
Preferably, a screen is arranged at the lower end of the inside of the polymerization reactor tank.
Preferably, the scraping plate is attached to the inner wall of the polymerization reactor tank body, and the gear and the internal tooth groove are in meshed connection.
Preferably, the filtering mechanism comprises a gas filtering box, a partition plate is fixedly connected inside the gas filtering box, a gas filter is fixedly connected to the bottom of the partition plate, a gas purifier is fixedly connected to the upper end inside the gas filtering box, a gas pump is fixedly connected to the top of the gas filtering box, and a pipeline is fixedly connected between the gas filtering box, the gas purifier and the gas pump.
Compared with the prior art, the utility model provides a polymerization reactor, which has the following beneficial effects:
1. According to the utility model, through the arrangement of the mixing reaction mechanism consisting of the inner tooth socket, the motor, the rotating shaft, the stirring shaft, the cross rod, the scraping plate, the crushing screw and the gear, when in use, materials and solvents are respectively conveyed into the polymerization reactor tank body through the liquid inlet pipe and the liquid inlet pipe, the polymerization reactor tank body and the sealing cover are in sealing arrangement, then the motor arranged in the mixing reaction mechanism is driven to rotate the rotating shaft, the cross rod, the stirring shaft and the scraping plate, the stirring shaft can be arranged to mix the materials and the solvents in the polymerization reaction mechanism so as to achieve the effect of polymerization reaction, the scraping plate is arranged to scrape the materials adhered to the inside of the polymerization reactor tank body so as to improve the mixing effect of the polymerization reaction, and meanwhile, the crushing screw is arranged to rotate under the meshing rotation of the gear and the inner tooth socket so as to facilitate the crushing treatment of the granular materials in the polymerization reactor tank body, thereby further improving the polymerization reaction efficiency between the materials and the solvents;
2. According to the utility model, the filtering mechanism is arranged, when the nitrogen oxides are subjected to polymerization reaction, the filtering mechanism arranged outside the polymerization reactor tank body can filter and discharge harmful gases, the gases in the polymerization reactor tank body are sucked into the gas filtering box by the air pump, and then the gases are subjected to filtering treatment by the gas filter and the gas purifier, so that the gases can be purified, and the harm of the harmful gases to the body of operators is avoided.
The device has the advantages of scientific and reasonable structure, safe and convenient use and great help for people.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate and together with the embodiments of the utility model and do not constitute a limitation to the utility model, and in which:
FIG. 1 is a schematic view of an axial structure of a polymerization reactor according to the present utility model;
FIG. 2 is a schematic view of the structure of the other side of the polymerization reactor according to the present utility model;
FIG. 3 is a schematic top view of a polymerization reactor according to the present utility model;
FIG. 4 is a schematic view of an internal tooth groove structure of a polymerization reactor according to the present utility model;
FIG. 5 is a schematic cross-sectional view of a polymerization reactor according to the present utility model;
FIG. 6 is a schematic view of a filtration mechanism of a polymerization reactor according to the present utility model;
In the figure, a polymerization reactor tank 1, a sealing cover 2, a supporting leg 3, a discharge pipe 4, a first control valve 5, a controller 6, a liquid inlet pipe 7, a feed pipe 8, a second control valve 9, a screen 10, an inner tooth socket 11, a motor 12, a rotating shaft 13, a stirring shaft 14, a cross rod 15, a scraper 16, a crushing screw 17, a gear 18, a gas filtering box 19, a partition plate 20, a gas filter 21, a gas purifier 22, an air pump 23 and a pipeline 24.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-6, the utility model provides a technical scheme that the polymerization reactor comprises a polymerization reactor tank 1, a sealing cover 2 is arranged at the top of the polymerization reactor tank 1, a discharging pipe 4 is arranged at the bottom of the polymerization reactor tank 1, a liquid inlet pipe 7 and a feeding pipe 8 are respectively and fixedly connected to the top of the sealing cover 2, an inner tooth socket 11 is arranged at the upper end of the inside of the polymerization reactor tank 1, a motor 12 is fixedly connected to the top of the sealing cover 2, a rotating shaft 13 is fixedly connected to the output end of the motor 12, a stirring shaft 14 is fixedly connected to the outer side of the rotating shaft 13, a cross rod 15 is fixedly connected to the upper end of the outer side of the rotating shaft 13, scraping plates 16 are fixedly connected to both ends of the cross rod 15, crushing screws 17 are rotatably connected to both ends of the inner side of the cross rod 15, gears 18 are fixedly connected to the upper end of the crushing screws 17, the stirring shaft 14 and the scraping plates 16 are driven to rotate through the motor 12 arranged in a driving mixing reaction mechanism, so that the materials and solvents inside the mixing reaction tank can be mixed, the effect of the polymerization reaction tank 1 is achieved, the scraping blades 16 are adhered to the materials inside the polymerization reactor tank 1 are fixedly connected to the output end of the rotating shaft 13, the inner side of the polymerization reactor is further, the inner side of the mixing tank is meshed with the inner side of the inner stirring tank is further, and the inner side of the inner stirring tank is convenient for crushing screw 11 is arranged, and the inner side of the mixing reaction tank is further convenient to be meshed with the inner side of the inner stirring tank 11, and the inner side of the stirring tank 11 is further convenient to be meshed with the particle filter particles and further processed.
In the utility model, preferably, the bottom of the polymerization reactor tank 1 is fixedly connected with the supporting leg 3.
In the present utility model, it is preferable that the sealing cap 2 and the polymerization reactor tank 1 are fixedly coupled by bolts and nuts.
In the utility model, preferably, the outer side of the discharge pipe 4 is fixedly connected with a first control valve 5, and the outer sides of the liquid inlet pipe 7 and the feed pipe 8 are fixedly connected with a second control valve 9.
In the present utility model, it is preferable that the controller 6 is fixedly connected to the outside of the polymerization reactor tank 1.
In the present utility model, it is preferable that a screen 10 is provided at the lower end of the inside of the polymerization reactor tank 1.
In the present utility model, the scraper 16 is preferably attached to the inner wall of the polymerization reactor tank 1, and the gear 18 is preferably engaged with the internal tooth groove 11.
In the utility model, preferably, the filtering mechanism comprises a gas filtering box 19, a baffle 20 is fixedly connected inside the gas filtering box 19, a gas filter 21 is fixedly connected to the bottom of the baffle 20, a gas purifier 22 is fixedly connected to the upper end inside the gas filtering box 19, an air pump 23 is fixedly connected to the top of the gas filtering box 19, and a pipeline 24 is fixedly connected among the gas filtering box 19, the gas purifier 22 and the air pump 23.
The working principle and the using flow of the utility model are as follows: when in use, the polymerization reactant and the solvent enter the reactor tank 1 through the liquid inlet pipe 7 and the feed pipe 8, the stirring shaft 14 rotates through the driving of the motor in the reactor, so that the mixing of the material and the solvent is realized, the mixing is a key step of the polymerization reaction, the reaction and the uniformity of the material are improved, meanwhile, the rotation of the cross rod 15 and the scraping plate 16 also plays an auxiliary role in the polymerization reaction, the scraping plate 16 can remove the material adhered on the inner wall of the tank, the material is prevented from forming an adhesive layer on the inner wall of the tank, each polymerization reaction can be ensured to be carried out in a clean reaction environment, the cross contamination is avoided, the crushing screw 17 is responsible for crushing the particle material, the surface area of the material is increased, the contact rate between the material and the solvent is improved, and the efficiency of the polymerization reaction is further improved, in the course of polymerization, gas is generated, which is discharged through a discharge pipe 4 at the bottom of a polymerization reactor tank 1, a first control valve 5 is provided at the outer side of the discharge pipe 4 for regulating and controlling the flow rate and pressure of the discharged gas, and in addition, a filtering mechanism is provided at the upper end of the outer side of the polymerization reactor tank 1, comprising a gas filtering tank 19, a partition 20, a gas filter 21, a gas purifier 22, an air pump 23, etc., for purifying and controlling the gas generated in the course of the reaction, ensuring the stability of the reaction environment, and the whole polymerization reactor can be automatically controlled by a controller 6 for realizing the precise control and operation of the reaction process, in general, such a polymerization reactor is provided with unique structures and carefully designed parts, the efficient mixing of materials and solvents, the automatic control of the reaction process and the efficient treatment of gas are realized, so that the efficiency and the quality of the polymerization reaction are obviously improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A polymerization reactor comprises a polymerization reactor tank body (1) and is characterized in that a sealing cover (2) is arranged at the top of the polymerization reactor tank body (1), a discharging pipe (4) is arranged at the bottom of the polymerization reactor tank body (1), a liquid inlet pipe (7) and a feeding pipe (8) are fixedly connected to the top of the sealing cover (2), an inner tooth groove (11) is formed in the upper end of the inside of the polymerization reactor tank body (1), a motor (12) is fixedly connected to the top of the sealing cover (2), a rotating shaft (13) is fixedly connected to the output end of the motor (12), a stirring shaft (14) is fixedly connected to the outer side of the rotating shaft (13), a cross rod (15) is fixedly connected to the upper end of the outer side of the rotating shaft (13), scraping plates (16) are fixedly connected to the two ends of the cross rod (15), a crushing screw (17) is fixedly connected to the inner two ends of the cross rod (15), a gear (18) is fixedly connected to the upper end of the outer side of the crushing screw (17), and a filtering mechanism is arranged at the upper end of the outer side of the polymerization reactor tank body (1).
2. A polymerization reactor according to claim 1, wherein the bottom of the polymerization reactor tank (1) is fixedly connected with a support leg (3).
3. A polymerization reactor according to claim 1, wherein the sealing cover (2) and the polymerization reactor tank (1) are fixedly connected by bolts and nuts.
4. A polymerization reactor according to claim 1, wherein the outer side of the discharge pipe (4) is fixedly connected with a first control valve (5), and the outer sides of the liquid inlet pipe (7) and the feed pipe (8) are fixedly connected with a second control valve (9).
5. A polymerization reactor according to claim 1, wherein a controller (6) is fixedly connected to the outside of the polymerization reactor tank (1).
6. A polymerization reactor according to claim 1, wherein a screen (10) is provided at the lower end of the interior of the polymerization reactor tank (1).
7. A polymerization reactor according to claim 1, wherein the scraper (16) is attached to the inner wall of the polymerization reactor tank (1), and the gear (18) is in meshed connection with the internal tooth groove (11).
8. The polymerization reactor of claim 1, wherein the filtering mechanism comprises a gas filtering box (19), a partition plate (20) is fixedly connected inside the gas filtering box (19), a gas filter (21) is fixedly connected to the bottom of the partition plate (20), a gas purifier (22) is fixedly connected to the upper end inside the gas filtering box (19), an air pump (23) is fixedly connected to the top of the gas filtering box (19), and a pipeline (24) is fixedly connected between the gas filtering box (19), the gas purifier (22) and the air pump (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420807087.2U CN222131919U (en) | 2024-04-18 | 2024-04-18 | A polymerization reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420807087.2U CN222131919U (en) | 2024-04-18 | 2024-04-18 | A polymerization reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222131919U true CN222131919U (en) | 2024-12-10 |
Family
ID=93732347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420807087.2U Active CN222131919U (en) | 2024-04-18 | 2024-04-18 | A polymerization reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222131919U (en) |
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2024
- 2024-04-18 CN CN202420807087.2U patent/CN222131919U/en active Active
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