Residual solvent distillation device for polyarylester production

Abstract

The utility model discloses a residual solvent distillation device for polyarylester production, which belongs to the technical field of polyarylester production and comprises a heating barrel, a distillation barrel is fixedly connected in the heating barrel, a steam inlet pipe is fixedly connected to the bottom of one side of the heating barrel, and a steam circulating pipe is fixedly connected to the top of one side of the heating barrel. The top of the distillation barrel is fixedly connected with a top cover, the top cover is fixedly connected with an exhaust port, and the top of the heating barrel is fixedly connected with a mounting ring. A steam pipeline is connected into a steam inlet pipe, and a circulating pipe is connected out of a steam circulating pipe, so that polyarylester in the distillation barrel can be distilled; the motor is started to drive the rotating rod to rotate, so that the stirring blades stir polyarylester in the distillation barrel, the polyarylester is more thoroughly distilled, the distillation efficiency is improved, the motor and the heating barrel are not in direct contact with the distillation barrel, and damage to the motor due to too high temperature can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of polyaromatic resin production, in particular to a residual solvent distillation device for polyaromatic resin production. Background Art

[0002] During the precipitation process of polyarylene resin particles from the solvent, some solvent residue remains on their surface. To ensure the purity of the final product particles, the polyarylene resin particles are typically distilled to remove the residual solvent. Conventional distillation apparatuses often use steam heating, but because steam typically flows in a one-way manner, the internal heating of the distillation apparatus is uneven, resulting in poor solvent removal and the polyarylene resin particles are prone to clumping and sticking due to local overheating, affecting the quality of the intermediate product. Utility Model Content

[0003] The utility model solves the technical problems in the above-mentioned background technology and provides a residual solvent distillation device for polyaromatic resin production.

[0004] In order to solve the above technical problems, the technical solutions provided by the present invention are as follows:

[0005] A residual solvent distillation device for polyaromatic resin production comprises a heating barrel, a distillation barrel is fixedly connected inside the heating barrel, a steam inlet pipe is fixedly connected to the bottom of one side of the heating barrel, a steam circulation pipe is fixedly connected to the top of one side of the heating barrel, a top cover is fixedly connected to the top of the distillation barrel, an exhaust port is fixedly connected to the top of the heating barrel, a mounting ring is fixedly connected to the top of the heating barrel, a motor is fixedly connected to the mounting ring, a first pulley is fixedly connected to the output end of the motor, a transmission belt is provided on the first pulley, a second pulley is provided at one end of the transmission belt, a rotating rod is fixedly connected to the second pulley, and a stirring blade is fixedly connected to the rotating rod.

[0006] Preferably, a feed port is provided on the top cover, a placement plate is provided in the feed port, a cover plate is slid in the feed port, a handle is fixedly connected to the cover plate, a pressure rod is rotatably connected to the top cover, two groups of pressure rods are provided, and the two groups of pressure rods are fixedly connected by springs.

[0007] Preferably, a support member is fixedly connected to the bottom of the mounting ring, a collecting plate is slid on the support member, a handle is provided at one end of the collecting plate, an electric telescopic rod is fixedly connected to one side of the support member, one end of the electric telescopic rod is fixedly connected to a connecting plate, a connecting rod is rotatably connected to the connecting plate, one end of the connecting rod is rotatably connected to a connecting shaft, a bottom plate is fixedly connected to the connecting shaft, a limiting slide groove is provided on the support member, and the connecting shaft slides on the limiting slide groove.

[0008] Preferably, the top of the distillation barrel is higher than the top of the heating barrel, the top of the distillation barrel is located above the mounting ring, the steam circulation pipe is located below the mounting ring, and the steam circulation pipe passes through the support.

[0009] Preferably, the rotating rod is rotatably connected to the top cover, the exhaust port is located on one side of the rotating rod, and the stirring blades are provided in two groups.

[0010] Preferably, the handle is located in the middle of the two groups of pressure rods, the pressure rods are attached to the top of the cover plate, and the cover plate is located on the placement plate.

[0011] Preferably, the support members are provided in two groups, the bottom plate is rotatably connected to the bottom of the heating barrel, and the bottom plate is semicircular in shape.

[0012] With the above structure, the utility model has the following advantages:

[0013] 1. The utility model connects the steam pipe to the steam inlet pipe and connects the circulation pipe from the steam circulation pipe, so as to realize the distillation of the polyaromatic resin in the distillation barrel. By starting the motor, the rotating rod can be driven to rotate, so that the stirring blade stirs the polyaromatic resin in the distillation barrel, making the distillation more thorough and improving the distillation efficiency. In addition, the motor and the heating barrel are not in direct contact with the distillation barrel, which can avoid damage to the motor due to excessive temperature.

[0014] 2. The utility model can add polyaromatic resin into the distillation barrel by pulling the two sets of pressure rods to rotate and remove the cover plate. During distillation, the two sets of pressure rods can limit the cover plate to ensure that the cover plate will not open during distillation. After the distillation is completed, starting the electric telescopic rod can drive the two sets of bottom plates to rotate at the bottom of the heating barrel, thereby discharging the remaining polyaromatic resin onto the collection plate, and then the collection plate can be taken out of the support member by the handle to facilitate collection, thereby improving the practicality of the device.

[0015] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or technical descriptions. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1This is a schematic diagram of the structure of a residual solvent distillation device for polyaromatic resin production. Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the structure of a residual solvent distillation device for polyaromatic resin production. Figure 2 ;

[0019] Figure 3 This is a cross-sectional view of a residual solvent distillation device for polyaromatic resin production according to the present invention;

[0020] Figure 4 This is a partial structural cross-sectional view of a residual solvent distillation device for polyaromatic resin production according to the utility model;

[0021] Figure 5 yes Figure 1 A magnified view of point A in the figure;

[0022] Figure 6 yes Figure 2 Enlarged view of point B in .

[0023] As shown in the figure: 1. Heating barrel; 2. Distillation barrel; 3. Steam inlet pipe; 4. Steam circulation pipe; 5. Top cover; 6. Exhaust port; 7. Mounting ring; 8. Motor; 9. First pulley; 10. Drive belt; 11. Second pulley; 12. Rotating rod; 13. Stirring blade; 14. Feed inlet; 15. Placement plate; 16. Cover plate; 17. Handle; 18. Pressure rod; 19. Spring; 20. Support; 21. Collecting plate; 22. Handle; 23. Electric telescopic rod; 24. Connecting plate; 25. Connecting rod; 26. Connecting shaft; 27. Bottom plate; 28. Limiting slide. DETAILED DESCRIPTION

[0024] The following describes in detail embodiments of the present application. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application and are not to be construed as limiting the present application.

[0025] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; they can refer to internal communication between two components or the interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in this application based on the specific circumstances.

[0026] The following is a further detailed description of the present invention in conjunction with the full text:

[0027] Combined with attachment Figures 1 to 6 A residual solvent distillation device for polyaromatic resin production includes a heating barrel 1, a distillation barrel 2 is fixedly connected to the heating barrel 1, a steam inlet pipe 3 is fixedly connected to the bottom of one side of the heating barrel 1, a steam circulation pipe 4 is fixedly connected to the top of one side of the heating barrel 1, a top cover 5 is fixedly connected to the top of the distillation barrel 2, an exhaust port 6 is fixedly connected to the top cover 5, a mounting ring 7 is fixedly connected to the top of the heating barrel 1, a motor 8 is fixedly connected to the mounting ring 7, a first pulley 9 is fixedly connected to the output end of the motor 8, a transmission belt 10 is provided on the first pulley 9, and a second pulley 10 is provided at one end of the transmission belt 10 Pulley 11, the second pulley 11 is fixedly connected to a rotating rod 12, and the rotating rod 12 is fixedly connected to a stirring blade 13. By connecting the steam pipe to the steam inlet pipe 3 and connecting the circulation pipe from the steam circulation pipe 4, the polyaromatic resin in the distillation barrel 2 can be distilled, and the rotating rod 12 can be driven to rotate by starting the motor 8, so that the stirring blade 13 stirs the polyaromatic resin in the distillation barrel 2, making it more thorough during distillation, thereby improving the efficiency of distillation, and the motor 8 and the heating barrel 1 are not in direct contact with the distillation barrel 2, which can avoid damage to the motor 8 due to excessive temperature.

[0028] Among them, the top cover 5 is provided with a feed port 14, a placement plate 15 is provided in the feed port 14, a cover plate 16 is slid in the feed port 14, a handle 17 is fixedly connected to the cover plate 16, a pressure rod 18 is rotatably connected to the top cover 5, and the pressure rod 18 is provided with two groups, and the two groups of pressure rods 18 are fixedly connected by springs 19. A support member 20 is fixedly connected to the bottom of the mounting ring 7, and a collecting plate 21 is slid on the support member 20. A handle 22 is provided at one end of the collecting plate 21, and a side of the support member 20 is fixedly connected It is connected to an electric telescopic rod 23, one end of which is fixedly connected to a connecting plate 24, a connecting rod 25 is rotatably connected to the connecting plate 24, one end of the connecting rod 25 is rotatably connected to a connecting shaft 26, a bottom plate 27 is fixedly connected to the connecting shaft 26, a limiting slide 28 is provided on the support 20, and the connecting shaft 26 slides on the limiting slide 28, the top of the distillation barrel 2 is higher than the top of the heating barrel 1, the top of the distillation barrel 2 is located above the mounting ring 7, and the steam circulation pipe 4 is located on the mounting ring The bottom of the heating barrel 1 is provided with two groups, and the bottom plate 27 is rotatably connected to the bottom of the heating barrel 1. The shape of the bottom plate 27 is semicircular. By pulling the two groups of pressure rods 18 to rotate and remove the cover 16, polyarylate can be added to the distillation barrel 2. During distillation, the two groups of pressure rods 18 can limit the cover 16 to ensure that the cover 16 will not open during distillation. After the distillation is completed, the electric telescopic rod 23 is started to drive the two groups of bottom plates 27 to rotate at the bottom of the heating barrel 1, thereby discharging the remaining polyarylate onto the collecting plate 21. Then the collecting plate 21 can be removed from the support 20 by the handle 22, which is convenient for collection, thereby improving the practicality of the device.

[0029] The working principle of the utility model is as follows: when in use, the two groups of pressure rods 18 are rotated at the same time to stretch the spring 19, and then the handle 17 is lifted to take the cover plate 16 out of the feed port 14, so that the polyarylate can be added to the distillation barrel 2. After the addition is completed, the cover plate 16 is placed on the placement plate 15 in the feed port 14, and the top of the cover plate 16 is pressed tightly by the two groups of pressure rods 18. Then, steam is injected into the heating barrel 1 through the steam inlet pipe 3 to heat the interior, and steam is circulated through the steam circulation pipe 4 to ensure the effect of evaporation. At this time, the motor 8 is started, and the motor 8 drives the first pulley 9 to rotate, and the transmission belt 10 is used to make the steam circulate. The second pulley 11 drives the rotating rod 12 to rotate on the top cover 5, and then the stirring blades 13 stir the polyaromatic resin in the distillation barrel 2 to make it fully distilled, and the collecting pipe is connected to the exhaust port 6. The gas generated during distillation is discharged through the exhaust port 6. After the distillation is completed, the electric telescopic rod 23 is started to push the connecting plate 24 to move downward. At this time, the connecting rod 25 rotates on the connecting plate 24, and the connecting shaft 26 slides in the limiting slide groove 28, which can drive the bottom plate 27 to rotate at the bottom of the heating barrel 1, and discharge the remaining residue onto the collecting plate 21. Then manually lift the handle 22 to remove the collecting plate 21 from the support 20.

[0030] The above description of the present invention and its embodiments is non-limiting. What is shown in the full text is only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by this and, without departing from the purpose of the present invention, designs a structure and embodiment similar to the technical solution without creatively designing, they shall fall within the scope of protection of the present invention.

Claims

1. A residual solvent distillation device for polyaromatic resin production, comprising a heating barrel (1), characterized in that: A distillation barrel (2) is fixedly connected to the heating barrel (1), a steam inlet pipe (3) is fixedly connected to the bottom of one side of the heating barrel (1), a steam circulation pipe (4) is fixedly connected to the top of one side of the heating barrel (1), a top cover (5) is fixedly connected to the top of the distillation barrel (2), an exhaust port (6) is fixedly connected to the top cover (5), a mounting ring (7) is fixedly connected to the top of the heating barrel (1), a motor (8) is fixedly connected to the mounting ring (7), an output end of the motor (8) is fixedly connected to a first pulley (9), a transmission belt (10) is provided on the first pulley (9), one end of the transmission belt (10) is provided with a second pulley (11), a rotating rod (12) is fixedly connected to the second pulley (11), and a stirring blade (13) is fixedly connected to the rotating rod (12).

2. The residual solvent distillation device for polyaromatic resin production according to claim 1, characterized in that: The top cover (5) is provided with a feed port (14), a placement plate (15) is provided in the feed port (14), a cover plate (16) is slidably provided in the feed port (14), a handle (17) is fixedly connected to the cover plate (16), and a pressure rod (18) is rotatably connected to the top cover (5), and the pressure rod (18) is provided with two groups, and the two groups of pressure rods (18) are fixedly connected by a spring (19).

3. The residual solvent distillation device for polyaromatic resin production according to claim 2, characterized in that: A support member (20) is fixedly connected to the lower side of the mounting ring (7), a collecting plate (21) is slidably provided on the support member (20), a handle (22) is provided at one end of the collecting plate (21), an electric telescopic rod (23) is fixedly connected to one side of the support member (20), one end of the electric telescopic rod (23) is fixedly connected to a connecting plate (24), a connecting rod (25) is rotatably connected to the connecting plate (24), one end of the connecting rod (25) is rotatably connected to a connecting shaft (26), a bottom plate (27) is fixedly connected to the connecting shaft (26), a limiting slide groove (28) is provided on the support member (20), and the connecting shaft (26) slides on the limiting slide groove (28).

4. The residual solvent distillation device for polyaromatic resin production according to claim 3, characterized in that: The top of the distillation barrel (2) is higher than the top of the heating barrel (1), the top of the distillation barrel (2) is located above the mounting ring (7), the steam circulation pipe (4) is located below the mounting ring (7), and the steam circulation pipe (4) passes through the support (20).

5. The residual solvent distillation device for polyaromatic resin production according to claim 4, characterized in that: The rotating rod (12) is connected to the top cover (5) through rotation, the exhaust port (6) is located on one side of the rotating rod (12), and the stirring blades (13) are provided in two groups.

6. The residual solvent distillation device for polyaromatic resin production according to claim 5, characterized in that: The handle (17) is located in the middle of two groups of pressure rods (18), and the pressure rods (18) are attached to the top of the cover plate (16), and the cover plate (16) is located on the placement plate (15).

7. The residual solvent distillation device for polyaromatic resin production according to claim 6, characterized in that: The support members (20) are provided in two groups, and the bottom plate (27) is rotatably connected to the bottom of the heating barrel (1), and the shape of the bottom plate (27) is semicircular.

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