CN215540857U - Reation kettle is used in processing of preparation low VOC polymer polyol - Google Patents
Reation kettle is used in processing of preparation low VOC polymer polyol Download PDFInfo
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- CN215540857U CN215540857U CN202121578161.0U CN202121578161U CN215540857U CN 215540857 U CN215540857 U CN 215540857U CN 202121578161 U CN202121578161 U CN 202121578161U CN 215540857 U CN215540857 U CN 215540857U
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- reaction kettle
- kettle body
- polymer polyol
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Abstract
The utility model relates to the technical field of reaction kettles, and discloses a reaction kettle for processing low VOC polymer polyol, which comprises a reaction kettle body, wherein a feeding pipe is arranged on one side of the upper end of the reaction kettle body, a discharging pipe is arranged at the bottom end of the reaction kettle body, the top end of the reaction kettle body is connected with an installation block through a plurality of cylinders, a driving motor is fixed at the top end of the installation block, an output shaft of the driving motor extends to the lower part of the installation block, and a rotating shaft is coaxially fixed on the output shaft of the driving motor; the rotation axis extends to the inside of the reation kettle body, and is fixed with the stirring leaf on the rotation axis to the bottom of rotation axis is rotated and is installed the connecting block. This device drives the stirring leaf and to the stirring of polymer polyol at driving motor, can drive all stirring boards by the repeated operation of cylinder and reciprocate from top to bottom in the inside of the reation kettle body stir, takes out the polymer polyol who deposits in the bottom by stirring board to reduce the heavy end phenomenon, improved the stirring effect to polymer polyol.
Description
Technical Field
The utility model relates to the technical field of reaction kettles, in particular to a reaction kettle for processing low-VOC polymer polyol.
Background
The polymer polyol is a stable dispersion system in which independent polymer particles which are not contacted with each other are dispersed in polyether polyol or polyester polyol, and is one of important raw materials of polyurethane products, so that the application range is wide, and the using amount is large. In the preparation process of the polymer polyol, an initiator needs to be added into a reaction kettle to react at a certain temperature and under a certain air pressure, but in the use process of the existing reaction kettle, the polymer polyol is easy to generate a bottom precipitation phenomenon, and the stirring effect of the polymer polyol is poor, so that the reaction kettle for preparing the low-VOC polymer polyol is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a reaction kettle for processing low VOC polymer polyol.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a reaction kettle for preparing low VOC polymer polyol processing comprises a reaction kettle body, wherein a feeding pipe is arranged on one side of the upper end of the reaction kettle body, a discharging pipe is arranged at the bottom end of the reaction kettle body, the top end of the reaction kettle body is connected with an installation block through a plurality of cylinders, a driving motor is fixed at the top end of the installation block, an output shaft of the driving motor extends to the lower portion of the installation block, and a rotating shaft is coaxially fixed on the output shaft of the driving motor;
the rotating shaft extends into the reaction kettle body, is in sliding fit with the reaction kettle body, is fixedly provided with a stirring blade, and is rotatably provided with a connecting block at the bottom end;
internal bottom surface of reation kettle is fixed with the polylith riser, and the riser is the annular and distributes, just the edge of connecting block is rotated and is installed the polylith stirring board, the quantity of stirring board with the quantity of riser is the same, and the one end that the connecting block was kept away from to the stirring board rotates and installs the guide bar, the guide bar runs through the riser, and guide bar and riser sliding fit.
Preferably, the outer wall of the reaction kettle body is provided with a jacket, one side of the upper end of the jacket is provided with an oil inlet pipe, and the other side of the upper end of the jacket is provided with an oil outlet pipe.
Preferably, the number of the cylinders is two to five, the bottom ends of the cylinders are rotatably connected with the reaction kettle body, and the telescopic ends of the cylinders are rotatably connected with the mounting block.
Preferably, the stirring blades are uniformly provided with through holes.
Preferably, the number of the vertical plates is three to six, and the vertical plates are uniformly distributed around the rotating shaft.
Preferably, one end of the guide rod, which is far away from the poking plate, is provided with a limiting block.
The utility model has the beneficial effects that:
this device drives the stirring leaf and to the stirring of polymer polyol at driving motor, can drive all stirring boards by the repeated operation of cylinder and reciprocate from top to bottom in the inside of the reation kettle body stir, takes out the polymer polyol who deposits in the bottom by stirring board to reduce the heavy end phenomenon, improved the stirring effect to polymer polyol.
Drawings
FIG. 1 is a schematic structural view of a processing reactor for preparing low VOC polymer polyol according to the present invention;
FIG. 2 is a schematic structural diagram of the distribution of the stirring plates in the processing reactor for preparing low VOC polymer polyol according to the present invention.
In the figure: the device comprises a reaction kettle body 1, a jacket 2, an oil inlet pipe 3, an oil outlet pipe 4, a discharge pipe 5, a material inlet pipe 6, an installation block 7, a driving motor 8, a cylinder 9, a rotating shaft 10, a stirring blade 11, a connecting block 12, a vertical plate 13, a guide rod 14 and a stirring plate 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, a reaction kettle for preparing low-VOC polymer polyol comprises a reaction kettle body 1, wherein a feeding pipe 6 is arranged on one side of the upper end of the reaction kettle body 1, a discharging pipe 5 is arranged at the bottom end of the reaction kettle body 1, the top end of the reaction kettle body 1 is connected with a mounting block through a plurality of cylinders 9, the number of the cylinders 9 is two to five, the bottom end of each cylinder 9 is rotatably connected with the reaction kettle body 1, the telescopic end of each cylinder 9 is rotatably connected with the mounting block 7 through a connecting rod 7, a driving motor 8 is fixed at the top end of the mounting block 7, an output shaft of the driving motor 8 extends to the lower part of the mounting block 7, and a rotating shaft 10 is coaxially fixed on the output shaft of the driving motor 8;
the rotating shaft 10 extends into the reaction kettle body 1, the rotating shaft 10 is in sliding fit with the reaction kettle body 1, the rotating shaft 10 is fixedly provided with stirring blades 11, through holes are uniformly formed in the stirring blades 11, and the bottom end of the rotating shaft 10 is rotatably provided with a connecting block 12;
the inside bottom surface of the reaction kettle body 1 is fixed with polylith riser 13, the quantity of riser 13 is three to six, and riser 13 is around rotation axis 10 evenly distributed, and the edge of connecting block 12 rotates and installs polylith stirring board 15, the quantity of stirring board 15 is the same with the quantity of riser 13, and the one end that connecting block 12 was kept away from to stirring board 15 rotates and installs guide bar 14, guide bar 14 runs through riser 13, and guide bar 14 and riser 13 sliding fit, the one end that stirring board 15 was kept away from to guide bar 14 is provided with the stopper.
The outer wall of the reaction kettle body 1 is provided with a jacket 2, one side of the upper end of the jacket 2 is provided with an oil inlet pipe 3, the other side of the upper end of the jacket 2 is provided with an oil outlet pipe 4, and heat-conducting oil is introduced into the jacket 2 to keep the temperature of the polymer polyol during stirring.
In this embodiment, when using, add to the reation kettle body 1 inside through inlet pipe 6 to polymer polyol, open driving motor 8 and cylinder 9, it rotates to drive rotation axis 10 by driving motor 8, rotation axis 10 drives stirring leaf 11 and stirs polymer polyol, and simultaneously, the reciprocating motion about driving installation piece 7 by the repetitive operation of cylinder 9, installation piece 7 drives rotation axis 10 and reciprocates, it stirs to reciprocate from top to bottom in the inside of reation kettle body 1 to drive all stirring boards 15 by rotation axis 10, take out the polymer polyol that deposits in the bottom by stirring board 15 and stir, thereby reduce heavy end phenomenon, the stirring effect to polymer polyol has been improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The reaction kettle for preparing the low-VOC polymer polyol comprises a reaction kettle body (1), wherein a feeding pipe (6) is arranged on one side of the upper end of the reaction kettle body (1), and a discharging pipe (5) is arranged at the bottom end of the reaction kettle body (1), and is characterized in that the top end of the reaction kettle body (1) is connected with an installation block (7) through a plurality of air cylinders (9), a driving motor (8) is fixed at the top end of the installation block (7), an output shaft of the driving motor (8) extends to the lower part of the installation block (7), and a rotating shaft (10) is coaxially fixed on the output shaft of the driving motor (8);
the rotating shaft (10) extends into the reaction kettle body (1), the rotating shaft (10) is in sliding fit with the reaction kettle body (1), a stirring blade (11) is fixed on the rotating shaft (10), and a connecting block (12) is rotatably installed at the bottom end of the rotating shaft (10);
the inside bottom surface of the reaction kettle body (1) is fixed with polylith riser (13), and riser (13) are the annular and distribute, just the edge of connecting block (12) is rotated and is installed polylith stirring board (15), the quantity of stirring board (15) with the quantity of riser (13) is the same, and stirs the one end rotation that connecting block (12) was kept away from in movable board (15) and install guide bar (14), guide bar (14) run through riser (13), and guide bar (14) and riser (13) sliding fit.
2. The reaction kettle for preparing the low VOC polymer polyol according to claim 1, wherein a jacket (2) is arranged on the outer wall of the reaction kettle body (1), an oil inlet pipe (3) is arranged on one side of the upper end of the jacket (2), and an oil outlet pipe (4) is arranged on the other side of the upper end of the jacket (2).
3. The reaction kettle for preparing the low VOC polymer polyol according to claim 1, wherein the number of the cylinders (9) is two to five, the bottom end of the cylinder (9) is rotatably connected with the reaction kettle body (1), and the telescopic end of the cylinder (9) is rotatably connected with the mounting block (7).
4. The reaction kettle for preparing low VOC polymer polyol as claimed in claim 1, wherein said stirring blade (11) has through holes.
5. The reactor for processing a polymer polyol with low VOC according to claim 1, wherein the number of the riser (13) is three to six, and the risers (13) are uniformly distributed around the rotation axis (10).
6. The processing reaction kettle for preparing the low VOC polymer polyol as claimed in claim 1, wherein a limiting block is arranged at one end of the guide rod (14) far away from the poking plate (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121578161.0U CN215540857U (en) | 2021-07-13 | 2021-07-13 | Reation kettle is used in processing of preparation low VOC polymer polyol |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121578161.0U CN215540857U (en) | 2021-07-13 | 2021-07-13 | Reation kettle is used in processing of preparation low VOC polymer polyol |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215540857U true CN215540857U (en) | 2022-01-18 |
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ID=79825120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121578161.0U Active CN215540857U (en) | 2021-07-13 | 2021-07-13 | Reation kettle is used in processing of preparation low VOC polymer polyol |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215540857U (en) |
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2021
- 2021-07-13 CN CN202121578161.0U patent/CN215540857U/en active Active
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