Distillation and filtration assembly for purifying dimer acid

Abstract

The utility model relates to the technical field of dimer acid purification, and discloses a distillation filter assembly for dimer acid purification, which comprises a shell, supporting legs are fixedly connected to the lower surface of the shell, a partition plate is fixedly connected to the interior of the shell, a liquid outlet pipe is fixedly connected to the interior of the shell, and a mounting plate is fixedly connected to the interior of the shell. A filter block is arranged on one side of the outer wall of the mounting plate, a clamping assembly used for fixing the filter block is mounted on one side of the outer wall of the mounting plate, the clamping assembly comprises a mounting block, and one side of the outer wall of the mounting block is fixedly connected to one side of the outer wall of the mounting plate. According to the filtering device, the first filtering plate and the second filtering plate are arranged in the filtering block, large particles are filtered through the filtering block, impurities in different particle size ranges are effectively filtered, the filtering precision is improved, and then the filtering block is conveniently replaced and cleaned through the clamping assembly; and the filtering device always keeps good filtering performance.

Description

TECHNICAL FIELD

[0001] The utility model relates to dimer acid purification technical field especially relates to a dimer acid purification uses distillation filter component. BACKGROUND

[0002] Dimer acid is the dicarboxylic acid that by containing unsaturated double bond's fatty acid intermolecular polymerization reaction forms, presents light yellow transparent viscous liquid, has higher boiling point and greater molecular weight, its molecule contains two carboxyl and long carbon chain, has acid and various reaction characteristics, needs to use distillation filter component to purify dimer acid, because the synthetic process will remain unreacted raw material, such as unsaturated fatty acid, also will produce trimer acid, polybasic acid and other organic impurities, like solvent residue, catalyst residue etc., these impurities can influence dimer acid product purity and performance, the adverse effect in polyester synthesis, coating production, and dimer acid and many impurities exist obvious difference in boiling point, can use distillation separation, and the impurities of low boiling point are removed first gasification when distilling.

[0003] The distillation filter component usually includes a distillation cylinder, a condenser and a filter, the filter is used to filter solid impurities and some unreacted raw material residues, but the existing filter device is usually difficult to meet the requirements of high-efficiency filtration and high-precision filtration during use, the general filter plate can only filter some larger particle impurities, and the filtering effect of smaller particles is often poor, and the filter plate will be blocked after long-term use, and if not replaced and cleaned in time, the filtering effect will be affected. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides a distillation filter component for dimer acid purification, which aims to improve the problem that the filter device in the prior art cannot simultaneously achieve high-efficiency filtration and high-precision filtration, the filter plate can filter out large particle impurities, but the filtering effect of small particle impurities is poor, and the filter plate is easy to be blocked after long-term use, and if not replaced and cleaned in time, the filtering effect will be affected.

[0005] To achieve the above object, the utility model provides the following technical scheme: a distillation filter component for dimer acid purification, comprising an outer shell, a supporting leg is fixedly connected to the lower surface of the outer shell, a partition plate is fixedly connected to the inner part of the outer shell, a liquid outlet pipe is fixedly connected to the inner part of the outer shell, an installation plate is fixedly connected to the inner part of the outer shell, a filter block is arranged on one side of the outer wall of the installation plate, and a clamping assembly for fixing the filter block is arranged on the other side of the outer wall of the installation plate.

[0006] The clamping assembly comprises a mounting block, the outer wall of the mounting block is fixedly connected to one side of the outer wall of the mounting plate, a filter plate one is fixedly connected in the filter block, a filter plate two is fixedly connected in the filter block, a clamping groove is formed in the filter block, the outer wall of the mounting block is slidably connected in the clamping groove, a clamping block is slidably connected in the mounting block, and a reset assembly for returning the clamping block is arranged in the filter block.

[0007] Further, the reset assembly comprises a spring one, the spring one is fixedly connected in the filter block, and one end of the spring one is fixedly connected to one end of the clamping block.

[0008] Further, the lower surface of the shell is fixedly connected with a motor, the output end of the motor is fixedly connected with a rotating shaft, and the outer wall of the rotating shaft is rotatably connected to the inner side of the partition plate.

[0009] Further, the lower surface of the partition plate is fixedly connected with a heating element, and the outer wall of the rotating shaft is fixedly connected with a stirring rod.

[0010] Further, the outer wall of the rotating shaft is fixedly connected with a connecting plate, and one end of the connecting plate is fixedly connected with a connecting rod.

[0011] Further, the connecting rod is fixedly connected with a spring two, one end of the spring two is fixedly connected with a scraper, and the outer wall of the scraper is attached to the inner side of the shell.

[0012] Further, the outer wall of the shell is fixedly connected with a buckle, the upper surface of the buckle is provided with a cover plate, and one end of the buckle is attached to the outer wall of the cover plate.

[0013] Further, the outer wall of the shell is fixedly connected with a fixed plate, the inner side of the fixed plate is fixedly connected with a condenser, and one end of the condenser is fixedly connected to the inner side of the cover plate.

[0014] The utility model has the following beneficial effects:

[0015] 1、the utility model discloses a filter block is provided with filter plate one and filter plate two, and the filter block itself filters large particles, realizes the effective filtration of impurities of different particle size ranges, improves the precision of filtration, then realizes the convenient replacement cleaning of filter block through clamping assembly, makes the filter device always keep good filtration performance, so solve the problem that the filter device is difficult to consider high efficiency and high precision filtration in the prior art, and the long -term use is easy to have the phenomenon of blockage, if not timely replacement cleaning treatment will produce the influence filtration effect problem, improve the practicality of device.

[0016] 2. The utility model discloses, through the stirring rod rotation makes raw materials in the distillation process is heated more evenly, accelerates the separation process of impurity and dimeric acid, can also prevent the metamorphic coking of local overheating simultaneously, and the scraper on the connecting plate is always closely combined with the inner wall of shell under the action of spring no. 2, can scrape the reaction solution and impurity that possibly adhere on the inner wall of shell in the rotation process, realized the effect that improves the distillation efficiency, and then improved the practicality of device. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A kind of dimeric acid purification distillation filter assembly's three-dimensional structure schematic diagram is proposed in the utility model;

[0018] Figure 2 A kind of dimeric acid purification distillation filter assembly's shell part structure section view schematic diagram is proposed in the utility model;

[0019] Figure 3 A kind of dimeric acid purification distillation filter assembly's filter block part structure section view schematic diagram is proposed in the utility model;

[0020] Figure 4 A kind of dimeric acid purification distillation filter assembly's scraper part structure schematic diagram is proposed in the utility model.

[0021] Legend:

[0022] 1, shell;2, support foot;3, motor;4, liquid outlet pipe;5, heating element;6, connecting rod;7, mounting plate;8, filter block;9, rotating shaft;10, mounting block;11, filter plate one;12, filter plate two;13, clamping groove;14, cover plate;15, clamping block;16, spring one;17, stirring rod;18, buckle;19, condenser;20, connecting plate;21, scraper;22, spring two;23, fixed plate;24, partition. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Reference Figure 1 , Figure 2 and Figure 3The utility model provides a kind of distillation filtering assembly for dimer acid purification, including shell 1, as the external protective structure of entire distillation filtering assembly, provide support and containing space for internal component, shell 1 lower surface is fixedly connected with support foot 2, fixed in shell lower surface, play the role of supporting entire device, shell 1 inside is fixedly connected with baffle 24, shell 1 inside is fixedly connected with liquid outlet pipe 4, for after the pure dimer acid liquid discharge device that passes through distillation and filtration, shell 1 inside is fixedly connected with mounting plate 7, mounting plate 7 outer wall one side is provided with filter block 8, the filter plate one 11 and filter plate two 12 in inside play the role of filtering to impurity in dimer acid liquid, mounting plate 7 outer wall one side is installed with the clamping assembly for fixed filter block 8, clamping assembly includes mounting block 10, mounting block 10 outer wall one side is fixedly connected in mounting plate 7 outer wall one side, filter block 8 inside is fixedly connected with filter plate one 11, can intercept larger particle impurity, carry out preliminary filtration to liquid, filter block 8 inside is fixedly connected with filter plate two 12, with smaller aperture, can further filter tiny particle impurity, realize the fine filtration of dimer acid, clamping groove 13 is set in filter block 8 inside, mounting block 10 outer wall one side is slidably connected in clamping groove 13 inside, mounting block 10 inside is slidably connected with clamping block 15, firmly fixed filter block 8 on mounting plate 7, prevent filter block loosening or displacement in working process, reset component for making clamping block 15 reset is installed in filter block 8 inside, reset component includes spring one 16, when needing to disassemble filter block 8, press clamping block 15 to overcome the elastic force of spring one 16 and make clamping block 15 exit mounting block 10, after loosening spring one can make clamping block 15 reset, facilitate next time installation filter block, spring one 16 is fixedly connected in filter block 8 inside, spring one 16 one end is fixedly connected in clamping block 15 one end.

[0025] Referring to Figure 1 、 Figure 2 and Figure 4The lower surface of the shell 1 is fixedly connected with a motor 3, which provides power source for the operation of the whole device. The output end of the motor 3 is fixedly connected with a rotating shaft 9, which transmits the rotating movement of the motor 3 to the stirring rod 17 and the connecting plate 20. The outer wall of the rotating shaft 9 is rotatably connected to the inside of the partition plate 24. The lower surface of the partition plate 24 is fixedly connected with a heating element 5, which is used to heat the dimer acid raw material to make it vaporize at boiling point. The outer wall of the rotating shaft 9 is fixedly connected with the stirring rod 17, which rotates under the drive of the motor 3 to stir the dimer acid raw material. The outer wall of the rotating shaft 9 is fixedly connected with the connecting plate 20, which connects the rotating shaft 9 with the connecting rod 6 to transmit power and support the scraper 21, ensuring that the scraper 21 can work stably with the rotation of the rotating shaft 9. One end of the connecting plate 20 is fixedly connected with the connecting rod 6. The inside of the connecting rod 6 is fixedly connected with the spring 22. One end of the spring 22 is fixedly connected with the scraper 21. The outer wall of the scraper 21 is in close contact with the inside of the shell 1. The spring 22 is connected with the connecting rod 6. Under the action of the spring 22, it is always in close contact with the inner wall of the shell 1. The outer wall of the shell 1 is fixedly connected with the buckle 18. The upper surface of the buckle 18 is provided with the cover plate 14. One end of the buckle 18 is in close contact with the outer wall of the cover plate 14. The buckle 18 is fixed to the outer wall of the shell 1 and cooperates with the cover plate 14 to ensure the sealing of the device. The outer wall of the shell 1 is fixedly connected with the fixed plate 23. The inside of the fixed plate 23 is fixedly connected with the condenser 19, which is used to cool and liquefy the rising steam through the internal cooling medium, so that the gaseous impurities and part of the dimer acid steam are re-liquefied, which is convenient for collection and further processing. One end of the condenser 19 is fixedly connected to the inside of the cover plate 14.

[0026] Working principle: when using the device, first start the motor 3, the motor 3 drives the rotating shaft 9 to rotate, and then the stirring rod 17 stirs the dimer acid raw material in the shell 1, at the same time, the heating element 5 on the lower surface of the partition plate 24 starts to work, and the raw material is heated, because the boiling points of dimer acid and impurities are different, as the temperature rises, the impurities with lower boiling point vaporize first, form steam and move upward, the stirring action of the stirring rod 17 makes the raw material evenly heated, prevents local overheating from causing deterioration or coking, and speeds up the separation process of impurities and dimer acid, in this process, part of the impurities in the steam may condense due to contact with the inner wall of the shell 1, and return to the liquid state, while most of the steam continues to rise and is ready to enter the condenser 19 for the next step; after preliminary separation by distillation, the dimer acid liquid passes through the filter block 8 on one side of the mounting plate 7, and then flows out through the liquid outlet pipe 4, the filter block 8 itself filters larger particle impurities first, the filter plate one 11 in the filter block 8 intercepts the remaining particle impurities, playing a rough filtering role, then the liquid continues to pass through the filter plate two 12, which has smaller pore size and can further filter the tiny particle impurities, achieving fine filtering; when the filter block 8 is used for a period of time, the accumulation of impurities may cause a decrease in filtering efficiency or blockage, at this time, by manually pressing the clamping block 15, the spring one 16 is overcome, the clamping block 15 is separated from the mounting block 10, and the filter block 8 can be removed from the mounting plate 7 for cleaning or replacement; at the same time, the scraper 21 on the connecting rod 6 is always in close contact with the inner wall of the shell 1 under the action of the spring two 22, and scrapes off the impurities or scale that may be attached to the inner wall during rotation, keeping the heat transfer surface clean, which is conducive to heat transfer and efficient operation of the whole process; finally, the rising steam enters the condenser 19, which cools the steam through the internal cooling medium, and the steam is liquefied into liquid in the condenser 19.

[0027] Finally, it should be noted that: the above only describes preferred embodiments of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A distillation filter assembly for dimer acid purification comprising a housing (1), characterized in that: The lower surface of the shell (1) is fixedly connected with a supporting leg (2), the inside of the shell (1) is fixedly connected with a partition (24), the inside of the shell (1) is fixedly connected with a liquid outlet pipe (4), the inside of the shell (1) is fixedly connected with a mounting plate (7), one side of the outer wall of the mounting plate (7) is provided with a filter block (8), and the mounting plate (7) is provided with a clamping assembly for fixing the filter block (8). The clamping assembly comprises a mounting block (10) fixedly connected to one side of the outer wall of the mounting plate (7), a filter plate one (11) fixedly connected to the inside of the filter block (8), a filter plate two (12) fixedly connected to the inside of the filter block (8), a clamping groove (13) formed in the inside of the filter block (8), and a clamping block (15) slidably connected to the inside of the clamping groove (13).

2. A distillation filter assembly for purification of dimer acids according to claim 1, characterized in that: The reset assembly comprises a spring one (16) fixedly connected to the inside of the filter block (8), and the spring one (16) is fixedly connected to one end of the clamping block (15).

3. A distillation filter assembly for purification of dimer acids according to claim 1, characterized in that: The lower surface of the shell (1) is fixedly connected with a motor (3), the output end of the motor (3) is fixedly connected with a rotating shaft (9), and one side of the outer wall of the rotating shaft (9) is rotatably connected to the inside of the partition (24).

4. A distillation filter assembly for the purification of dimer acids according to claim 3, characterized in that: The lower surface of the partition (24) is fixedly connected with a heating element (5), and one side of the outer wall of the rotating shaft (9) is fixedly connected with a stirring rod (17).

5. A distillation filter assembly for the purification of dimer acids according to claim 4, characterized in that: One side of the outer wall of the rotating shaft (9) is fixedly connected with a connecting plate (20), and one end of the connecting plate (20) is fixedly connected with a connecting rod (6).

6. A distillation filter assembly for the purification of dimer acids according to claim 5, characterized in that: The inside of the connecting rod (6) is fixedly connected with a spring two (22), one end of the spring two (22) is fixedly connected with a scraper (21), and one side of the outer wall of the scraper (21) is in close contact with the inside of the shell (1).

7. A distillation filter assembly for the purification of dimer acids according to claim 1, characterized in that: One side of the outer wall of the shell (1) is fixedly connected with a buckle (18), the upper surface of the buckle (18) is provided with a cover plate (14), and one end of the buckle (18) is in close contact with one side of the outer wall of the cover plate (14).

8. A distillation filter assembly for the purification of dimer acids according to claim 7, characterized in that: One side of the outer wall of the shell (1) is fixedly connected with a fixed plate (23), the inside of the fixed plate (23) is fixedly connected with a condenser (19), and one end of the condenser (19) is fixedly connected to the inside of the cover plate (14).

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