Diaminodiphenyl ether crystallization and precipitation device

Abstract

The utility model discloses a diaminodiphenyl ether crystallization and precipitation device, which belongs to the technical field of crystallization and precipitation, and comprises a bottom shell and a top cover which are matched with each other, the center of the bottom of the bottom shell is connected with a discharge hopper, the top of the top cover is communicated with a feed port, the top of the top cover is provided with an outer shell, and a heater is arranged in the outer shell. An exhaust fan fixed to the top cover is arranged on one side of the outer shell, a limiting shell is fixed to the inner top of the top cover, the limiting shell, the exhaust fan and the outer shell are communicated through pipelines, a hollow long plate with a plurality of air ports is arranged at the bottom of the limiting shell, and a rectangular sleeve driving the hollow long plate to move is arranged in the limiting shell. And a rotating column and a vortex piece are arranged on the periphery of the rectangular sleeve. According to the diaminodiphenyl ether crystallization and precipitation device, compared with a comparison file, the diaminodiphenyl ether crystallization and precipitation device is driven by self wind power to move and heat in a reciprocating mode, the heating efficiency is improved, and meanwhile the manufacturing cost is not increased.

Description

Technical Field

[0001] The utility model belongs to the technical field of crystallization precipitation, in particular to a diaminodiphenyl ether crystallization precipitation device. Background Art

[0002] Diaminodiphenyl ether is an organic chemical, with the English name of 4,4`-diaminodiphenyl ether; di-(4-aminophenyl)ether, English alias 4,4`-oxydianiline, referred to as ODA. The chemical formula is C12H12N2O, which is mainly used as a raw material and crosslinking agent for polyimide resin, polyamide resin, and epoxy resin. A crystallization precipitation device is required in the preparation process of diaminodiphenyl ether. The existing diaminodiphenyl ether crystallization precipitation device has a too simple structure and cannot quickly crystallize the raw materials, which affects the preparation efficiency and is inconvenient to disassemble and clean the internal filter device, and has certain defects.

[0003] A diaminodiphenyl ether crystallization precipitation device with publication number CN209696332U can accelerate the heat transfer through the setting of an exhaust fan, improve the crystallization effect and efficiency, and facilitate the cleaning of the filter device. However, its heating position is fixed, and the efficiency of uneven heating is limited. Improvements are made in this regard. Utility Model Content

[0004] The utility model aims to provide a diaminodiphenyl ether crystallization precipitation device to solve the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a diaminodiphenyl ether crystallization precipitation device, comprising a bottom shell and a top cover that are compatible with each other, the bottom center of the bottom shell is connected to a discharge bucket, the top of the top cover is connected to a feed port, an outer shell is installed on the top of the top cover, and a heater is arranged inside the outer shell, one side of the outer shell is provided with an exhaust fan fixed to the top cover, and a limiting shell is fixed to the inner top of the top cover, the limiting shell, the exhaust fan and the outer shell are connected by a pipeline, and a hollow long plate with multiple air ports is arranged at the bottom of the limiting shell, a rectangular sleeve for driving the hollow long plate to move is arranged inside the limiting shell, and a rotating column and a vortex part are arranged on the outer periphery of the rectangular sleeve.

[0006] In a further embodiment, the vortex member is composed of an annular ring and a plurality of vortex blades located on the outer periphery of the ring, and the inner ring of the vortex member is fixed to the outer periphery of the rotating column.

[0007] In a further embodiment, a spiral groove is formed on the outer circumference of the rotating column, and the spiral groove is spirally connected end to end.

[0008] In a further embodiment, the center of the rectangular sleeve is set as a cavity matched with the rotating column, and the inner circumference of the cavity is provided with a spiral block matched with the spiral groove.

[0009] In a further embodiment, a through opening is formed at the bottom of the limiting shell, and two shielding shutters are arranged at the opening.

[0010] In a further embodiment, a connecting plate passing through two shielding louvers is connected between the hollow long plate and the rectangular sleeve, and two ends of the shielding louvers are respectively fixed to the empty opening of the limiting shell and one side of the connecting plate.

[0011] In a further embodiment, both sides of the lower half of the inner circumference of the top cover are rotatably connected with double-thread screws, and the outer circumference of the double-thread screws is provided with threads in opposite directions.

[0012] In a further embodiment, both ends of the double-thread screw are provided with nut sleeves, and one side of the nut sleeve is in contact with the top cover to form a limit.

[0013] In a further embodiment, a pulling plate is hingedly connected to the bottom of the two nut sleeves, and the other end of the pulling plate is hingedly connected to the inner wall of the bottom shell.

[0014] Compared with the prior art, the technical effects and advantages of the utility model are as follows:

[0015] The connection design of the heater, the exhaust fan and the limit shell can guide the hot air. The rotation connection between the rotating column and the limit shell and the sleeve arrangement and the limit on both sides of the rotating column can drive the rotation of the rotating column through the spiral trajectory of the spiral groove and the adaptation of the spiral block and the spiral groove, and the vortex rotation generated when the vortex part is blown by the wind, thereby rotating the rotating column, further enabling the hollow long plate and the square sleeve to move back and forth, and realizing more uniform heating;

[0016] The design of the two ends of the double-thread screw with opposite thread directions and the symmetrical sleeve arrangement of the two nut sleeves, through the hinge connection of one end of the pull-moving plate with the nut sleeve and the hinge connection of the other end with the inner wall of the bottom shell, the double-thread screw is rotated, thereby enabling the top cover to rise, making it easier to take out the material inside;

[0017] Compared with the comparative documents, the diaminodiphenyl ether crystallization precipitation device is driven by its own wind power for reciprocating mobile heating, which improves the heating efficiency while not increasing the manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a central sectional view of the utility model;

[0021] Figure 3 For the utility model Figure 2 A magnified view of the structure at center A;

[0022] Figure 4 This is an exploded view of the connection structure of the limit shell of the utility model;

[0023] Figure 5 It is a structural schematic diagram of the shielding shutter of the utility model.

[0024] Description of reference numerals:

[0025] 1. Bottom shell; 2. Top cover; 3. Dump; 4. Feed inlet; 5. Shell; 6. Heater; 7. Exhaust fan; 8. Limiting shell; 9. Filter; 10. Connecting plate; 11. Hollow long plate; 12. Shielding shutter; 13. Clamping rod;

[0026] 21. Rotating column; 22. Eddy current element; 23. Rectangular sleeve; 24. Spiral groove;

[0027] 31. Double-thread screw; 32. Nut sleeve; 33. Pull-and-shift plate; 34. Turning handle. DETAILED DESCRIPTION

[0028] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0029] Unless otherwise defined, the directions of up, down, left, right, front, back, inside and outside involved in this document are based on the directions of up, down, left, right, front, back, inside and outside in the figures shown in the present utility model, and are explained here together.

[0030] The connection method can be bonding, welding, bolt connection and other existing methods, depending on actual needs.

[0031] See also Figures 1 to 5 The main structure of the device body is as follows: a bottom shell 1 and a top cover 2, which are adapted to each other to form a space for crystallization. Support feet are installed at the four corners of the bottom of the bottom shell 1, and a discharge bucket 3 is installed at the bottom center of the bottom shell 1. A filter screen 9 and an automatic opening and closing valve are arranged inside the discharge bucket 3. A venting valve port (not shown in the figure) is opened on the top side of the top cover 2;

[0032] In order to achieve heating, the top of the top cover 2 is connected to a feed port 4, a shell 5 is installed on the top of the top cover 2, a heater 6 is installed inside the shell 5, an exhaust fan 7 is installed on one side of the shell 5, a limiting shell 8 is installed on the inner top of the top cover 2, both sides of the bottom of the limiting shell 8 are set as arc surfaces with a flow guiding function, a filter port with a filter component is provided on one side of the shell 5, and the shell 5, the exhaust fan 7 and the limiting shell 8 are connected through a pipeline.

[0033] See also Figure 2 In order to facilitate the removal of crystals, double-thread screws 31 are provided on both sides of the lower half of the inner circumference of the top cover 2. The two ends of the double-thread screw 31 are rotatably connected to the inner wall of the top cover 2 through bearings. The two ends of the outer circumference of the double-thread screw 31 are provided with threads in opposite directions. The outer circumference of the double-thread screw 31 is symmetrically sleeved with a nut sleeve 32;

[0034] One side of the nut sleeve 32 is in contact with the inner wall of the top cover 2. The nut sleeve 32 has a rectangular structure, so that one side is directly in contact with the inner wall to form a limit to prevent the nut sleeve 32 from rotating with the double-thread screw 31. A pull plate 33 is hinged between the bottom of the nut sleeve 32 and the bottom shell 1. One end of the double-thread screw 31 passes through the top cover 2 and is connected to a handle 34 for easy rotation.

[0035] See also Figures 2 to 5 In order to realize reciprocating mobile heating, the interior of the limit shell 8 is rotatably connected with a rotating column 21 through a bearing, and a vortex component 22 is fixed to the outer circumference end of the rotating column 21. The vortex component 22 is composed of an annular ring and a plurality of vortex blades on the outer circumference of the ring. The plurality of vortex blades are inclinedly distributed. The size of the vortex component 22 is adapted to the inner circumference of the limit shell 8, thereby realizing the maximum wind drive. The inner ring of the vortex component 22 is fixed to the outer circumference of the rotating column 21.

[0036] In order to reduce separation loss, a through hole is opened at the bottom of the limiting shell 8, and two shielding shutters 12 are arranged at the hole. Both sides of the two shielding shutters 12 are connected with multiple clamping rods 13, and the ends of the clamping rods 13 slide with the hole. A connecting plate 10 is arranged between the two shielding shutters 12, and the two ends of the shielding shutters 12 are respectively fixed to the inner wall of the hole and one side of the connecting plate 10;

[0037] A spiral groove 24 is formed on the outer circumference of the rotating column 21, and a rectangular sleeve 23 is sleeved on the outer circumference of the spiral groove 24. A cavity is formed in the center of the rectangular sleeve 23, and a spiral block matching the spiral groove 24 is formed on the inner wall of the cavity. Both sides of the rectangular sleeve 23 are fitted with the inner wall of the limiting shell 8 to achieve limiting. The bottom of the rectangular sleeve 23 is connected to the top of the connecting plate 10.

[0038] The bottom of the connecting plate 10 is connected to a hollow long plate 11 , a plurality of air ports are provided at the bottom of the hollow long plate 11 , and one side of the hollow long plate 11 is connected to the limiting shell 8 through a hose.

[0039] The above-mentioned components and electrical equipment are all existing technologies or existing feasible technologies. The working principles, sizes and models are irrelevant to the functions of this application, so they are not described in detail, and they are all controlled by remote control switches.

[0040] How it works

[0041] When the diaminodiphenyl ether crystallization precipitation device is needed, the diaminodiphenyl ether raw material is input into the interior of the bottom shell 1 through the feed port 4, the heater 6 is started to heat the interior, and the exhaust fan 7 is operated to transport the hot air to the limit shell 8 at a high speed. During the input process, the high-speed wind blows the vortex member 22 to drive the rotating column 21 to rotate;

[0042] The spiral groove 24 on the outer periphery of the rotating column 21 is designed to match the spiral block, and the rectangular sleeve 23 will move along the track of the spiral groove 24, and the hollow long plate 11 will move back and forth, thereby realizing the reciprocating output of hot gas and improving the efficiency of crystallization;

[0043] After the crystallization is completed, the two handles 34 are rotated to drive the double-thread screw 31 to rotate, so that the corresponding two nut sleeves 32 move toward each other, so that the pulling plate 33 moves synchronously, and the top cover 2 is further raised to facilitate the removal of the crystal.

[0044] It should be noted that, in this article, relational terms such as one and two are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A diaminodiphenyl ether crystallization precipitation device, comprising a bottom shell (1) and a top cover (2) adapted to each other, wherein the bottom center of the bottom shell (1) is connected to a discharge bucket (3), and the top of the top cover (2) is connected to a feed inlet (4); Features: A shell (5) is installed on the top of the top cover (2), and a heater (6) is arranged inside the shell (5); a fan (7) fixed to the top cover (2) is arranged on one side of the shell (5), and a limit shell (8) is fixed to the inner top of the top cover (2); the limit shell (8), the fan (7) and the shell (5) are connected through a pipeline, and a hollow long plate (11) with a plurality of air ports is arranged at the bottom of the limit shell (8); a rectangular sleeve (23) for driving the hollow long plate (11) to move is arranged inside the limit shell (8), and a rotating column (21) and a vortex member (22) are arranged on the outer periphery of the rectangular sleeve (23).

2. A diaminodiphenyl ether crystallization precipitation device according to claim 1, characterized in that: The vortex component (22) is composed of an annular ring and a plurality of vortex blades located on the outer circumference of the ring, and the inner ring of the vortex component (22) is fixed to the outer circumference of the rotating column (21).

3. A diaminodiphenyl ether crystallization precipitation device according to claim 1, characterized in that: A spiral groove (24) is provided on the outer circumference of the rotating column (21), and the spiral groove (24) is spirally connected end to end.

4. A diaminodiphenyl ether crystallization precipitation device according to claim 3, characterized in that: The center of the rectangular sleeve (23) is set as a cavity that matches the rotating column (21), and the inner circumference of the cavity is provided with a spiral block that matches the spiral groove (24).

5. A diaminodiphenyl ether crystallization precipitation device according to claim 1, characterized in that: A through opening is provided at the bottom of the limiting shell (8), and two shielding shutters (12) are arranged at the opening.

6. A diaminodiphenyl ether crystallization precipitation device according to claim 5, characterized in that: A connecting plate (10) passing through two shielding louvers (12) is connected between the hollow long plate (11) and the rectangular sleeve (23), and two ends of the shielding louvers (12) are respectively fixed to the hollow opening of the limiting shell (8) and one side of the connecting plate (10).

7. A diaminodiphenyl ether crystallization precipitation device according to claim 1, characterized in that: Both sides of the lower half of the inner circumference of the top cover (2) are rotatably connected to a double-thread screw (31), and the outer circumference of the double-thread screw (31) is provided with threads in opposite directions.

8. A diaminodiphenyl ether crystallization precipitation device according to claim 7, characterized in that: Both ends of the double-thread screw (31) are sleeved with nut sleeves (32), and one side of the nut sleeve (32) is in contact with the top cover (2) to form a limit position.

9. A diaminodiphenyl ether crystallization precipitation device according to claim 8, characterized in that: The bottoms of the two nut sleeves (32) are both hingedly connected with a pulling plate (33), and the other end of the pulling plate (33) is hingedly connected to the inner wall of the bottom shell (1).

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