CN212468104U - Waterborne polyurethane high temperature desolventizing agitating unit - Google Patents
Waterborne polyurethane high temperature desolventizing agitating unit Download PDFInfo
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- CN212468104U CN212468104U CN202020845971.7U CN202020845971U CN212468104U CN 212468104 U CN212468104 U CN 212468104U CN 202020845971 U CN202020845971 U CN 202020845971U CN 212468104 U CN212468104 U CN 212468104U
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- stirring
- main shaft
- desolventizing
- heating resistor
- shaft
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Abstract
The utility model discloses a waterborne polyurethane high temperature desolventizing agitating unit, including desolventizing the agitator tank, install the main shaft in this desolventizing the agitator tank, install horizontal (mixing) shaft on this main shaft, heating resistor is then installed to the lower extreme of main shaft, and the upper end of main shaft is then installed in the upper end of agitator tank through the bearing frame that sets up to a rotor plate is still installed to the upper end of main shaft, and the correspondence is provided with power supply unit on this rotor plate, should power supply unit on be provided with the wire, wire from the main shaft in downwardly extending install and form the route on heating resistor. On one hand, the structure of the device enables the heating resistor to rotate at the lower end of the main shaft, so that the stirring force can be increased, and the water-based polyurethane and the desolventizer are heated during stirring, so that the solution in the whole container can be uniformly heated in a dispersing manner, and the stirring effect is improved; on the other hand, the structure of the device for installing the heating equipment in the main shaft does not interfere with the rotation stirring of the main shaft, and the structure is very reasonable.
Description
Technical Field
The utility model relates to an aqueous polyurethane production facility field, an aqueous polyurethane high temperature exsolution agitating unit specifically says so.
Background
The waterborne polyurethane is a novel polyurethane system which takes water as a dispersion medium instead of an organic solvent, is a novel material which is very safe, reliable and pollution-free, and can be widely applied to the chemical industry; in the prior art, the production process of the aqueous polyurethane needs to be subjected to efficient desolventizing, and the aqueous polyurethane needs to be stirred and heated simultaneously when being subjected to efficient desolventizing, and is correspondingly put into a desolventizing agent for efficient desolventizing; because the waterborne polyurethane has very large viscosity, the desolventizing device in the prior art can not be fully mixed and desolventized when being stirred and mixed with the desolventizing agent, and the method adopted in the prior art is to increase the activity of the waterborne polyurethane in a heating way so as to realize high-efficiency stirring and desolventizing; in the existing heating structure for desolventizing and stirring equipment, on one hand, the heating device is fixedly installed, uniform heating in a container cannot be realized, and on the other hand, the heat transfer coefficient difference of the waterborne polyurethane is added, so that the heating effect is not ideal; secondly, the self-adaptive opening and closing of the existing heating equipment can not be realized, and the stirring equipment needs manual opening and closing every time, which is troublesome.
Disclosure of Invention
The utility model aims at providing a waterborne polyurethane high temperature desolventizing agitating unit to the not enough of prior art existence, its technical scheme as follows
A high-temperature desolventizing and stirring device for waterborne polyurethane comprises a desolventizing and stirring box, wherein a main shaft is installed in the desolventizing and stirring box, a transverse stirring shaft is installed on the main shaft, a heating resistor is installed at the lower end of the main shaft, the upper end of the main shaft is installed at the upper end of the stirring box through a set bearing seat, a rotating plate is further installed at the upper end of the main shaft, a power supply device is correspondingly arranged on the rotating plate, a lead is arranged on the power supply device, and the lead extends downwards from the inside of the main shaft and is installed on the heating resistor to form a passage; the edge of the rotating plate is also provided with a circle of annular outer gear ring, the outer side of the outer gear ring is meshed with a driving gear, and the driving gear is connected with and provided with a stirring motor.
Preferably, the main shaft and the stirring shaft are both hollow shaft structures, a fixed concave block is further mounted at the inner shaft end of the stirring shaft, a sliding convex block is correspondingly arranged on the outer side of the fixed concave block, a spring part is further mounted between the fixed concave block and the sliding convex block, corresponding copper contacts are arranged at the upper position and the lower position of the fixed concave block and the upper position and the lower position of the sliding convex block respectively, the two copper contacts on the fixed concave block are communicated through a lead, the copper contact at the upper end of the sliding convex block is connected with a power supply device through a lead, and the copper contact at the lower end of the sliding convex block is connected with one end of the.
Preferably, the two sides of the rotating plate are provided with stirring motors, the stirring motors on the two sides are symmetrically arranged, and driving gears are arranged on the stirring motors and meshed with the outer gear rings on the rotating plate.
Preferably, the fixed concave block and the sliding convex block have a gap between the fixed concave block and the sliding convex block in the original state acted by the spring part, and after the stirring shaft rotates, the sliding convex block can be pressed on the fixed concave block under the action of centrifugal force, so that copper contacts on the two block bodies are connected.
Preferably, the heating resistor is in an elliptical structure, two ends of the heating resistor are hermetically arranged at the lower end of the main shaft, and two ends of the heating resistor are respectively connected with two leads of the power supply device.
Has the advantages that: compared with the prior art, the utility model has the following advantage:
(1) the device is different from the traditional structure for fixedly arranging the heating element in the past, the heating resistor is arranged in an elliptical structure and correspondingly arranged at the lower end of the main shaft, the main shaft is provided with a stirring shaft, two ends of the heating resistor are correspondingly and hermetically arranged at the lower end of the main shaft, the upper end of the main shaft is correspondingly provided with a rotating plate, the rotating plate is provided with a power supply device, and the power supply device extends downwards in the main shaft through a lead and is communicated with the heating resistor; the outer side of the first rotating plate is provided with a circle of outer gear ring, the stirring motor is provided with a driving gear meshed with the outer gear ring, so that the main shaft can be driven to rotate by the stirring motor from the outer side, and the power supply device and the heating resistor below the power supply device rotate simultaneously; on the other hand, the structure of the device that the heating equipment is arranged in the main shaft does not hinder the rotation and stirring of the main shaft, and the structure is very reasonable;
(2) in the device, a structure for controlling the opening and closing of a heating resistor is arranged in a stirring shaft, a main shaft and the stirring shaft are both of hollow structures, a fixed concave block is arranged at the inner end of the stirring shaft, a slidable sliding convex block is arranged in a matching manner, a spring part is arranged between the fixed concave block and the sliding convex block, and a copper contact for communicating a power supply is arranged between the fixed concave block and the sliding convex block; when the device is used for stirring, the sliding convex block in the stirring shaft can slide outwards under the action of centrifugal force and is extruded on the fixed concave block, so that a copper contact on the sliding convex block is communicated with a copper contact on the fixed concave block, the whole power supply of the heating resistor is communicated, and the heating can be carried out while stirring, so that high-temperature stirring desolventizing is realized; when the stirring shaft stops, the sliding convex block loses the centrifugal force, and the sliding convex block is separated from the fixed concave block under the elastic action of the spring part, so that the power supply of the heating resistor is disconnected, and therefore the self-adaptive opening and closing of the heating resistor can be realized by the device according to whether the stirring shaft rotates to be opened or not, and the stirring shaft is very convenient.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
Detailed Description
The present invention will be further clarified by the following embodiments with reference to the attached drawings, which are implemented on the premise of the technical solution of the present invention, and it should be understood that these embodiments are only used for illustrating the present invention and are not used for limiting the scope of the present invention.
As shown in fig. 1 and fig. 2, a high-temperature desolventizing and stirring device for waterborne polyurethane comprises a desolventizing and stirring tank 1, wherein a spindle 2 is installed in the desolventizing and stirring tank 1, a transverse stirring shaft 3 is installed on the spindle 2, a heating resistor 4 is installed at the lower end of the spindle 2, the upper end of the spindle 2 is installed at the upper end of the stirring tank 1 through an arranged bearing seat 5, a rotating plate 6 is further installed at the upper end of the spindle 2, a power supply device 7 is correspondingly arranged on the rotating plate 6, a lead 8 is arranged on the power supply device 7, and the lead 8 extends downwards from the inside of the spindle 2 and is installed on the heating resistor 4 to form a passage; the edge of the rotating plate 6 is also provided with a ring of annular outer gear rings 15, the outer sides of the outer gear rings 15 are meshed with driving gears 14, and the driving gears 14 are connected with and provided with the stirring motors 9.
The main shaft 2 and the stirring shaft 3 are both hollow shaft body structures, a fixed concave block 10 is further installed at the inner shaft end of the stirring shaft 3, a sliding convex block 11 is correspondingly arranged on the outer side of the fixed concave block 10, a spring part 12 is further installed between the fixed concave block 10 and the sliding convex block 11, corresponding copper contacts 13 are arranged at the upper position and the lower position of the fixed concave block 10 and the sliding convex block 11, two copper contacts 13 on the fixed concave block 10 are communicated through a lead 8, the copper contact 13 at the upper end of the sliding convex block 11 is connected with a power supply device 7 through a lead 8, and the copper contact 13 at the lower end is connected with one end of the heating resistor 4 through a lead 8.
The stirring motors 9 are arranged on two sides of the rotating plate 6, the stirring motors 9 on the two sides are symmetrically arranged, and driving gears 14 are arranged on the stirring motors and meshed with outer gear rings 15 on the rotating plate 6; a gap is reserved between the fixed concave block 10 and the sliding convex block 11 in the original state under the action of the spring piece 12, and after the stirring shaft 3 rotates, the sliding convex block 11 can be tightly pressed on the fixed concave block 10 under the action of centrifugal force, so that copper contacts 13 on the two block bodies are connected; the heating resistor 4 is in an elliptical structure, two ends of the heating resistor are hermetically arranged at the lower end of the main shaft 2, and two ends of the heating resistor are respectively connected with two wires 8 of the power supply device 7.
The device is different from the traditional structure for fixedly arranging the heating element in the past, the heating resistor is arranged in an elliptical structure and correspondingly arranged at the lower end of the main shaft, the main shaft is provided with a stirring shaft, two ends of the heating resistor are correspondingly and hermetically arranged at the lower end of the main shaft, the upper end of the main shaft is correspondingly provided with a rotating plate, the rotating plate is provided with a power supply device, and the power supply device extends downwards in the main shaft through a lead and is communicated with the heating resistor; the outer side of the first rotating plate is provided with a circle of outer gear ring, the stirring motor is provided with a driving gear meshed with the outer gear ring, so that the main shaft can be driven to rotate by the stirring motor from the outer side, and the power supply device and the heating resistor below the power supply device rotate simultaneously; on the other hand, the structure of the device for installing the heating equipment in the main shaft does not interfere with the rotation stirring of the main shaft, and the structure is very reasonable.
In the device, a structure for controlling the opening and closing of a heating resistor is arranged in a stirring shaft, a main shaft and the stirring shaft are both of hollow structures, a fixed concave block is arranged at the inner end of the stirring shaft, a slidable sliding convex block is arranged in a matching manner, a spring part is arranged between the fixed concave block and the sliding convex block, and a copper contact for communicating a power supply is arranged between the fixed concave block and the sliding convex block; when the device is used for stirring, the sliding convex block in the stirring shaft can slide outwards under the action of centrifugal force and is extruded on the fixed concave block, so that a copper contact on the sliding convex block is communicated with a copper contact on the fixed concave block, the whole power supply of the heating resistor is communicated, and the heating can be carried out while stirring, so that high-temperature stirring desolventizing is realized; when the stirring shaft stops, the sliding convex block loses the centrifugal force, and the sliding convex block is separated from the fixed concave block under the elastic action of the spring part, so that the power supply of the heating resistor is disconnected, and therefore the self-adaptive opening and closing of the heating resistor can be realized by the device according to whether the stirring shaft rotates to be opened or not, and the stirring shaft is very convenient.
The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the invention and the appended claims, and all equivalent changes and modifications made according to the claims should be included in the scope of the present invention.
Claims (5)
1. The utility model provides a waterborne polyurethane high temperature desolventizing agitating unit which characterized in that: the desolventizing stirring device comprises a desolventizing stirring box (1), wherein a main shaft (2) is installed in the desolventizing stirring box (1), a transverse stirring shaft (3) is installed on the main shaft (2), a heating resistor (4) is installed at the lower end of the main shaft (2), the upper end of the main shaft (2) is installed at the upper end of the stirring box (1) through a set bearing seat (5), a rotating plate (6) is further installed at the upper end of the main shaft (2), a power supply device (7) is correspondingly arranged on the rotating plate (6), a lead (8) is arranged on the power supply device (7), and the lead (8) extends downwards from the inside of the main shaft (2) and is installed on the heating resistor (4) to form a passage; the edge of the rotating plate (6) is also provided with a ring of annular outer gear rings (15), the outer sides of the outer gear rings (15) are meshed with driving gears (14), and the driving gears (14) are connected with and provided with stirring motors (9).
2. The high-temperature desolventizing and stirring device for the waterborne polyurethane as claimed in claim 1, wherein: the main shaft (2) and the stirring shaft (3) are both hollow shaft body structures, a fixed concave block (10) is further installed at the inner side shaft end of the stirring shaft (3), a sliding convex block (11) is correspondingly arranged on the outer side of the fixed concave block (10), a spring piece (12) is further installed between the fixed concave block (10) and the sliding convex block (11), corresponding copper contacts (13) are arranged at the upper position and the lower position of the fixed concave block (10) and the upper position and the lower position of the sliding convex block (11), two copper contacts (13) on the fixed concave block (10) are communicated through a wire (8), the copper contact (13) at the upper end of the sliding convex block (11) is connected with a power supply device (7) through a wire (8), and the copper contact (13) at the lower end is connected with one end of a heating resistor (4) through the wire (8).
3. The high-temperature desolventizing and stirring device for the waterborne polyurethane as claimed in claim 1, wherein: the stirring motor (9) is arranged on two sides of the rotating plate (6), the stirring motors (9) on the two sides are symmetrically arranged, and the driving gear (14) and the outer gear ring (15) on the rotating plate (6) are arranged in a meshed mode.
4. The high-temperature desolventizing and stirring device for the waterborne polyurethane as claimed in claim 2, wherein: the fixed concave block (10) and the sliding convex block (11) are in an original state under the action of the spring piece (12), a gap is reserved between the fixed concave block and the sliding convex block, and after the stirring shaft (3) rotates, the sliding convex block (11) can be tightly pressed on the fixed concave block (10) under the action of centrifugal force, so that copper contacts (13) on the two blocks are connected.
5. The high-temperature desolventizing and stirring device for the waterborne polyurethane as claimed in claim 1, wherein: the heating resistor (4) is of an elliptical structure, two ends of the heating resistor are hermetically arranged at the lower end of the main shaft (2), and two ends of the heating resistor are respectively connected with two wires (8) of the power supply device (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020845971.7U CN212468104U (en) | 2020-05-20 | 2020-05-20 | Waterborne polyurethane high temperature desolventizing agitating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020845971.7U CN212468104U (en) | 2020-05-20 | 2020-05-20 | Waterborne polyurethane high temperature desolventizing agitating unit |
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| Publication Number | Publication Date |
|---|---|
| CN212468104U true CN212468104U (en) | 2021-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020845971.7U Active CN212468104U (en) | 2020-05-20 | 2020-05-20 | Waterborne polyurethane high temperature desolventizing agitating unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116688810A (en) * | 2023-07-25 | 2023-09-05 | 江苏丰山全诺新能源科技有限公司 | Raw material mixing equipment for nonaqueous electrolyte production |
-
2020
- 2020-05-20 CN CN202020845971.7U patent/CN212468104U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116688810A (en) * | 2023-07-25 | 2023-09-05 | 江苏丰山全诺新能源科技有限公司 | Raw material mixing equipment for nonaqueous electrolyte production |
| CN116688810B (en) * | 2023-07-25 | 2023-11-03 | 江苏丰山全诺新能源科技有限公司 | Raw material mixing equipment for nonaqueous electrolyte production |
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