CN211303044U - Stirring device for high-molecular polymerization reaction - Google Patents
Stirring device for high-molecular polymerization reaction Download PDFInfo
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- CN211303044U CN211303044U CN201921991645.0U CN201921991645U CN211303044U CN 211303044 U CN211303044 U CN 211303044U CN 201921991645 U CN201921991645 U CN 201921991645U CN 211303044 U CN211303044 U CN 211303044U
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Abstract
The utility model relates to the technical field of stirrers, in particular to a stirring device for high-molecular polymerization reaction, wherein a stirring shaft is arranged to be hollow inside, a liquid inlet hole is arranged on the stirring shaft positioned at the inner section of a liquid mixing box, and the hollow inside of the stirring shaft is communicated with the inside of the liquid mixing box through the liquid inlet hole; set up a plurality of outage again on the stirring vane, the outage communicates with the inside cavity of (mixing) shaft for when the reactant is liquid, add the liquid mixing box through the liquid feeding pipe, enter into the interior cavity of (mixing) shaft through the feed liquor hole again in, and the residence is advanced and is slided to stirring vane position, rotates the in-process at the (mixing) shaft, with liquid from the inside outage through stirring vane of (mixing) shaft and get rid of, make the liquid material mix more evenly, improve stirring effect.
Description
Technical Field
The utility model belongs to the technical field of polymer polymerization agitator technique and specifically relates to a agitating unit for polymer polymerization.
Background
The high molecular weight polymer is a high molecular weight compound formed by repeatedly connecting bonds, comprises a crystalline structure, an amorphous structure, an oriented structure and a woven structure, and has the mechanical properties of high elastic deformation and viscoelasticity. However, the excellent mechanical properties of high elastic deformation and viscoelasticity of the polymer are closely related to the multilayer structure of polymer molecules, the special movement mode of macromolecular chains and the processing method of the polymer. The characteristics of strength, hardness, abrasion resistance, heat resistance, corrosion resistance, solvent resistance, electrical insulation, light transmittance, airtightness and the like are important indexes of the use properties of the polymer.
In the production process of high molecular polymer, the viscosity of solution polymerization or homogeneous bulk polymerization is increased along with the reaction process, and after the polymer is formed, the polymer needs to be crushed into particles or powder to obtain a finished product. And in the high molecular polymer production process, along with the increase of viscosity, the stirring is more and more difficult, and the material can not reach the stirring mixing purpose along with the stirring rotation around the puddler, leads to the product production quality relatively poor, appears the mixer stirring process "pole-climbing" phenomenon even.
Therefore, there is the researcher to design to this technical defect among the prior art, for example the high polymer polymerization reaction agitator of patent No. 201721682831.7, including retort and (mixing) shaft, retort top installation bearing seal, install the (mixing) shaft in the bearing seal, the (mixing) shaft side-mounting adds solid axle and mixing flow stirring rake, mixing flow stirring rake top installation screw propeller, screw propeller top installation crushing board, install the stirring sword on the crushing board, the stirring sword is spiral sword form, make after reactant "climbing the pole", break away from through the cutting of stirring sword, fall into the retort, make the reactant fully react. For another example: the high-molecular polymerization reaction stirrer with the patent number of 201621466293.3 comprises a reaction tank, a stirrer body, a stabilizing device, a stirring shaft, a clamping joint, fan blades, a fixing piece, sawtooth fan blades, a storage battery and a stirring motor, wherein the fan blades which are relatively staggered on the stirring shaft are utilized to ensure the polymerization reaction to be fully mixed and reacted, so that the stirring can still be continued under the condition of high viscosity, the fan blades can be detached, and the quantity of the fan blades can be selected as required.
Therefore, in the prior art, materials are directly added into the reaction tank and then stirred by the stirrer for reaction, so that the stirring difficulty is increased and the materials are not uniformly mixed due to the fact that the reaction is influenced by the increase of the viscosity of the reactants along with the reaction process in the stirring and mixing process.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem in the prior art, the utility model provides a agitating unit is used in polymer polymerization reaction.
The method is realized by the following technical scheme:
the stirring device for the high molecular polymerization reaction comprises a reaction tank, wherein the top of the reaction tank is provided with a feeding pipe and a liquid feeding pipe; a liquid mixing box is arranged in the reaction tank and is closely attached to the top of the reaction tank, and the liquid mixing box is communicated with the liquid feeding pipe; the top end of the outside of the reaction tank is provided with a reinforcing member a, the center of the reinforcing member a is provided with a through hole, and the inside of the liquid mixing box is communicated with the outside of the top of the reaction tank through the through hole; a reinforcing member b is arranged at the bottom of the liquid mixing box, a central hole is formed in the center of the reinforcing member b, and the inside of the liquid mixing box is communicated with the inside of the reaction tank through the central hole; the central hole and the through hole are positioned on the same central line, and the hole diameters are equal; the stirring shaft sequentially passes through the through hole and the central hole from the outside of the reaction tank and extends to the bottom of the reaction tank, and rolling parts are arranged in the through hole and the central hole and around the stirring shaft; the upper end and the lower end of the rolling part are both provided with a sealing cover; the top end of the stirring shaft is connected with an output shaft of the motor; a stirring blade is arranged on the stirring shaft at the lower end of the reinforcing part b, the stirring shaft is hollow, a plurality of liquid discharge holes are formed in the stirring blade, and the liquid discharge holes are communicated with the hollow part in the stirring shaft; a liquid inlet hole is arranged on the stirring shaft in the liquid mixing box and is communicated with the inside of the stirring shaft in a hollow way.
The stirring shaft is arranged to be hollow, a liquid inlet hole is formed in the stirring shaft positioned in the inner section of the liquid mixing box, and the hollow inside of the stirring shaft is communicated with the inside of the liquid mixing box through the liquid inlet hole; set up a plurality of outage again on the stirring vane, the outage communicates with the inside cavity of (mixing) shaft for when the reactant is liquid, add the liquid mixing box through the liquid feeding pipe, enter into the interior cavity of (mixing) shaft through the feed liquor hole again in, and the residence is advanced and is slided to stirring vane position, rotates the in-process at the (mixing) shaft, with liquid from the inside outage through stirring vane of (mixing) shaft and get rid of, make the liquid material mix more evenly, improve stirring effect.
The setting of combining the filling tube for can add the solid material to the reaction tank through the filling tube, add the liquid material through the (mixing) shaft again, realize that solid-liquid mixing homogeneity improves, improve polymerization reactant's reaction efficiency.
In order to realize the detachability and the replaceability of the stirring blades and improve the convenience of overhauling and mounting, the stirring blades are preferably connected with the stirring shaft through the connecting piece in a threaded manner.
Preferably, the stirring blade is arranged at the bottom end of the stirring shaft.
In order to enable the climbing reaction material to return to the reaction tank for continuous reaction, it is preferable that the stirring shaft is provided with a spiral part on the outer wall of the stirring shaft between the upper end of the stirring blade and the bottom of the reinforcing part b, the top of the spiral part is provided with a scraper, and the scraper is provided with a scraper.
In order to improve the cutting efficiency of the scraper, preferably, the spiral piece is provided with a flow guide piece between the top of the spiral piece and the scraper, and the flow guide piece can guide materials climbing along the spiral piece onto the scraper. Preferably, the scraper is in a shape of a triple helical blade.
In order to improve the stirring effect, reduce the stirring resistance, preferably, the (mixing) shaft crisscross be provided with the joint on the (mixing) shaft lateral wall that lies in between reinforcement b bottom and the stirring vane, be provided with the flabellum with joint looks accordant connection on the joint.
In order to reduce the stirring resistance, preferably, the fan blades are provided with round holes, and the round holes penetrate through the blades of the fan blades.
Compared with the prior art, the invention has the technical effects that:
the utility model has the advantages of being simple in structure, convenient in operation, and let in reaction liquid in the (mixing) shaft, and through the epaxial stirring vane dispersion of stirring in the reaction tank, make liquid reactant can the homodisperse, the area of contact of material mixing reaction has been improved, improve the reaction effect, the (mixing) shaft stirring degree of difficulty has been reduced moreover, make the process that constantly disperses out from stirring vane at liquid reactant, wash the great material of viscosity, reduce the probability of adhesion at the (mixing) shaft, the (mixing) shaft stirring load has been alleviateed, the (mixing) shaft life has been prolonged.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
1-clamping 2-fan blade 3-round hole 4-screw rod 5-connecting piece 6-liquid discharge hole 7-guide piece 8-reinforcing piece a 9-output shaft 10-motor 11-rolling piece 12-liquid feeding pipe 13-liquid inlet hole 14-reinforcing piece b 15-scraper 16-scraper 17-liquid mixing box 18-reaction tank 19-feeding pipe 20-stirring blade 21-discharge outlet.
Detailed Description
The technical solution of the present invention is further defined below with reference to the specific embodiments, but the scope of protection is not limited to the description.
As shown in FIG. 1, in some embodiments, the stirring device for high molecular polymerization comprises a reaction tank 18, wherein a feeding pipe 19 and a liquid feeding pipe 12 are arranged at the top of the reaction tank 18; a liquid mixing box 17 is arranged in the reaction tank 18 and is tightly attached to the top of the reaction tank 18, and the liquid mixing box 17 is communicated with the liquid adding pipe 12; a reinforcement a8 is arranged at the top end outside the reaction tank 18, a through hole is arranged at the center of the reinforcement a8, and the through hole communicates the inside of the liquid mixing box 17 with the outside of the top of the reaction tank 18; a reinforcing member b14 is arranged at the bottom of the liquid mixing box 17, a central hole is arranged at the center of the reinforcing member b14, and the inside of the liquid mixing box 17 is communicated with the inside of the reaction tank 18 through the central hole; the central hole and the through hole are positioned on the same central line, and the hole diameters are equal; the stirring shaft sequentially passes through the through hole and the central hole from the outside of the reaction tank 18 and extends to the bottom of the reaction tank 18, and rolling pieces 11 are arranged around the stirring shaft in the through hole and the central hole; the upper end and the lower end of the rolling element 11 are both provided with a sealing cover; the top end of the stirring shaft is connected with an output shaft 9 of a motor 10; the stirring shaft at the lower end of the reinforcement b14 is provided with stirring blades 20, the stirring shaft is hollow, the stirring blades 20 are provided with a plurality of liquid drainage holes 6, and the liquid drainage holes 6 are communicated with the hollow inside of the stirring shaft; a liquid inlet hole 13 is arranged on the stirring shaft in the liquid mixing box 17, and the liquid inlet hole 13 is communicated with the inside of the stirring shaft in a hollow way.
In the use, constantly add the solid through filling tube 19, add liquid from liquid feeding pipe 12, make liquid reactant enter into and mix liquid case 17, it rotates to open motor 10, it rotates to drive the (mixing) shaft, the realization is to the material stirring in the reaction tank 18, and liquid reactant in mixing liquid case 17 enters into inside the (mixing) shaft through (mixing) epaxial feed liquor hole 13, and it locates to stirring vane 20 position to flow to, discharge to the reaction tank 18 in through outage 6, and under the rotatory effort of (mixing) shaft, the realization is to the dispersion of liquid reactant, make the material mix more evenly, the reaction effect is improved.
And in the process of discharging the liquid reactant, the periphery of the stirring blade 20 and the periphery of the stirring shaft are continuously washed and flushed, so that the adhesive force of reaction products adhered to the stirring shaft or the stirring blade 20 along with the increase of the viscosity along with the reaction process is weakened, the stirring resistance is reduced, and the stirring reaction efficiency is improved.
In some embodiments, the mixing blade 20 is screwed to the mixing shaft via the connecting member 5. The detachable connection is realized, and the maintenance and the replacement are convenient.
In some embodiments, the mixing blade 20 is disposed at the bottom end of the mixing shaft. The stirring efficiency is improved.
In some embodiments, the stirring shaft is provided with a spiral part 4 on the outer wall of the stirring shaft between the upper end of the stirring blade 20 and the bottom of the reinforcing part b14, a scraper 15 is arranged on the top of the spiral part 4, and a scraper 16 is arranged on the scraper 15. So that the reaction product which climbs along the stirring shaft can be cut by the scraper and then returns to the reaction tank to continuously participate in the reaction.
In some embodiments, the spiral 4 is provided with a flow guide 7 between the top of the spiral 4 and the scraper 15, and the flow guide 7 can guide the material climbing the rod along the spiral 4 to the scraper 16. The efficiency of the scraper cutting is improved. In some embodiments, the blade 16 is in the form of a triple helix blade.
In some embodiments, the outer side wall of the stirring shaft between the bottom of the reinforcement b14 and the stirring blade 20 of the stirring shaft is provided with the clamping joints 1 in a staggered manner, and the clamping joints 1 are provided with the fan blades 2 which are in matched connection with the clamping joints. The stirring resistance is weakened, and the stirring efficiency is improved. In some embodiments, the fan blade 2 has a circular hole 3, and the circular hole 3 penetrates the blade of the fan blade 2.
The invention is not easy to operate by referring to the common general knowledge and the conventional technical means in the prior art; technical terms used in the invention, such as "left", "right", "bottom", "top", "inner", "outer", "upper", "lower", etc., are explained with reference to the accompanying drawings, and those skilled in the art should understand the accompanying drawings in order to understand the process of the invention.
Claims (8)
1. A stirring device for high molecular polymerization reaction is characterized by comprising a reaction tank (18), wherein the top of the reaction tank (18) is provided with a feeding pipe (19) and a liquid feeding pipe (12); a liquid mixing box (17) is arranged in the reaction tank (18) and is tightly attached to the top of the reaction tank (18), and the liquid mixing box (17) is communicated with the liquid feeding pipe (12); a reinforcing member a (8) is arranged at the top end of the outside of the reaction tank (18), a through hole is formed in the center of the reinforcing member a (8), and the inside of the liquid mixing box (17) is communicated with the outside of the top of the reaction tank (18) through the through hole; a reinforcing member b (14) is arranged at the bottom of the liquid mixing box (17), a central hole is formed in the center of the reinforcing member b (14), and the inside of the liquid mixing box (17) is communicated with the inside of the reaction tank (18) through the central hole; the central hole and the through hole are positioned on the same central line, and the hole diameters are equal; the stirring shaft sequentially passes through the through hole and the central hole from the outside of the reaction tank (18) and extends to the bottom of the reaction tank (18), and rolling pieces (11) are arranged in the through hole and the central hole and around the stirring shaft; the upper end and the lower end of the rolling element (11) are provided with sealing covers; the top end of the stirring shaft is connected with an output shaft (9) of a motor (10); a stirring blade (20) is arranged on the stirring shaft at the lower end of the reinforcing part b (14), the stirring shaft is hollow, a plurality of liquid discharge holes (6) are formed in the stirring blade (20), and the liquid discharge holes (6) are communicated with the hollow part in the stirring shaft; a liquid inlet hole (13) is arranged on the stirring shaft positioned in the liquid mixing box (17), and the liquid inlet hole (13) is communicated with the inside of the stirring shaft in a hollow way.
2. The stirring apparatus for polymer polymerization according to claim 1, wherein the stirring blade (20) is screwed to the stirring shaft via a connecting member (5).
3. The stirring apparatus for polymer polymerization according to claim 1 or 2, wherein the stirring blade (20) is provided at the bottom end of the stirring shaft.
4. The stirring apparatus for polymer polymerization according to claim 1, wherein the stirring shaft is provided with a screw (4) on the outer wall of the stirring shaft between the upper end of the stirring blade (20) and the bottom of the reinforcing member b (14), a scraper (15) is provided on the top of the screw (4), and a scraper (16) is provided on the scraper (15).
5. The stirring apparatus for polymer polymerization according to claim 4, wherein the screw (4) has a flow guide member (7) disposed between the top of the screw (4) and the scraper (15), and the flow guide member (7) is capable of guiding the material climbing up the screw (4) to the scraper (16).
6. A polymer polymerization stirring apparatus according to claim 4 or 5, wherein the scraper (16) has a triple helical blade shape.
7. The stirring apparatus for polymer polymerization according to claim 1 or 4, wherein the stirring shaft has a clamp (1) on the outer sidewall of the stirring shaft between the bottom of the reinforcement b (14) and the stirring blade (20), and the clamp (1) has a blade (2) matching and connecting with the clamp.
8. The stirring apparatus for polymer polymerization according to claim 7, wherein the fan blade (2) has a circular hole (3), and the circular hole (3) penetrates the blade of the fan blade (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921991645.0U CN211303044U (en) | 2019-11-18 | 2019-11-18 | Stirring device for high-molecular polymerization reaction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921991645.0U CN211303044U (en) | 2019-11-18 | 2019-11-18 | Stirring device for high-molecular polymerization reaction |
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| Publication Number | Publication Date |
|---|---|
| CN211303044U true CN211303044U (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921991645.0U Active CN211303044U (en) | 2019-11-18 | 2019-11-18 | Stirring device for high-molecular polymerization reaction |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737188A (en) * | 2022-03-01 | 2022-07-12 | 李洋 | Polishing production system |
| CN115069195A (en) * | 2022-06-14 | 2022-09-20 | 重庆新申世纪新材料科技有限公司 | High specific surface area barium compound preparation facilities |
-
2019
- 2019-11-18 CN CN201921991645.0U patent/CN211303044U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114737188A (en) * | 2022-03-01 | 2022-07-12 | 李洋 | Polishing production system |
| CN115069195A (en) * | 2022-06-14 | 2022-09-20 | 重庆新申世纪新材料科技有限公司 | High specific surface area barium compound preparation facilities |
| CN115069195B (en) * | 2022-06-14 | 2023-12-22 | 重庆新申世纪新材料科技有限公司 | High specific surface area barium compound preparation facilities |
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