Claisen thermal rearrangement reaction device for aryl allyl ether compound

Abstract

The utility model discloses a Claisen thermal rearrangement reaction device of aryl allyl ether compound, and relates to the technical field of aryl allyl ether compound processing, the Claisen thermal rearrangement reaction device of aryl allyl ether compound comprises a reaction kettle and a heating assembly, the outer part of the reaction kettle is provided with a support column rod, and the right side of the upper end of the reaction kettle is provided with a feed port; a heating assembly is arranged in the reaction kettle and comprises a servo motor, a supporting rod, a mixing rod, a mounting cross rod, a scraping plate and a heating wire, the supporting rod is connected to the front end of the servo motor, the mixing rod is mounted outside the supporting rod, the mounting cross rod is arranged outside the supporting rod, and the scraping plate is mounted at the front end of the mounting cross rod. A heating wire is additionally arranged on the inner wall of the reaction kettle, and a cleaning assembly is arranged at the upper end in the reaction kettle. According to the Claisen thermal rearrangement reaction device for the aryl allyl ether compound, the compound can be uniformly heated, the overall processing time is shortened, and meanwhile, the overall use efficiency of the Claisen thermal rearrangement reaction device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of processing technology of aromatic allyl ether compound, specifically to a claisen thermal rearrangement reaction device of aromatic allyl ether compound. BACKGROUND

[0002] Aromatic allyl ether compound is a kind of ether compound containing aromatic group, its molecular structure general formula is Ar-O-R, wherein Ar represents aromatic group, R represents alkyl, the compound has pleasant aromatic smell, slightly soluble or insoluble in water, but easily soluble in organic solvent, claisen rearrangement reaction refers to a kind of intramolecular rearrangement reaction of aromatic allyl ether compound under heating condition, in order to improve the processing efficiency of aromatic allyl ether compound, a claisen thermal rearrangement reaction device is needed, but the existing claisen thermal rearrangement reaction device still has the following shortcomings:

[0003] When the existing claisen thermal rearrangement reaction device is used, since most claisen thermal rearrangement reaction devices are not easy to heat aromatic allyl ether compound uniformly in the use process, the time of claisen thermal rearrangement reaction is relatively prolonged, and the processing of aromatic allyl ether compound is affected, the practicability of claisen thermal rearrangement reaction device is reduced, and the use efficiency is reduced.

[0004] Therefore, in view of the above, the existing structure and the lack are improved, and a claisen thermal rearrangement reaction device of aromatic allyl ether compound is provided. INVENTION CONTENTS

[0005] The utility model aims at providing a claisen thermal rearrangement reaction device of aromatic allyl ether compound to solve the problems in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a claisen thermal rearrangement reaction device of aromatic allyl ether compound, including reaction kettle and heating assembly, the reaction kettle is externally installed with support column rod, and the right side of reaction kettle upper end is provided with feed inlet, the inside of reaction kettle is provided with heating assembly, and heating assembly includes servo motor, support, mixing rod, installation cross bar, scraping plate and heating wire, the front end of servo motor is connected with support, the outside of support is installed with mixing rod, and the outside of support is provided with installation cross bar, the front end of installation cross bar is installed with scraping plate, the inside wall of reaction kettle is additionally provided with heating wire, the inside upper end of reaction kettle is provided with cleaning assembly.

[0007] Further, the mixing rod is embeddedly connected with the reaction kettle, and the mixing rod is rotatably connected with the reaction kettle by the servo motor.

[0008] Further, the number of the installation cross bars is four, and the material scraping plates are connected with the supporting rods through the installation cross bars.

[0009] Further, the number of the material scraping plates is two, and the two material scraping plates are symmetrically arranged outside the supporting rods with the front central axis of the supporting rods as the center.

[0010] Further, the material scraping plates are horizontally distributed outside the reaction kettle, and the material scraping plates are tightly attached to the inner wall of the reaction kettle.

[0011] Further, the cleaning assembly comprises a water storage ring, a water injector, a water inlet pipe, a discharge pipe and a regulating valve, the water injector is arranged inside the water storage ring, the water inlet pipe is connected to the outside of the water storage ring, the discharge pipe is arranged outside the bottom of the reaction kettle, and the regulating valve is arranged on the upper end of the discharge pipe.

[0012] Further, the water injectors are equidistantly arranged inside the water storage ring, and the water injectors are fixedly connected with the water storage ring through bolts.

[0013] Further, the regulating valve is vertically arranged with the discharge pipe, and the regulating valve is fixedly connected with the discharge pipe through bolts.

[0014] The utility model provides a kind of claisen thermal rearrangement reaction device of aromatic base allyl ether compound, with following beneficial effects:

[0015] 1, the utility model is fixedly installed in the installation cross bar outside the supporting rod, and the material scraping plate is fixedly installed in the front end of the installation cross bar using fastening bolt, the inner wall of reaction kettle is scraped by material scraping plate, and heating wire arranged in the inside of reaction kettle is heated to material, material scraping plate can scrape material on inner wall while avoiding that temperature on inner wall is too high to affect overall reaction effect, and material mixing rod can make material evenly heated in the process of mixing, so as to improve the convenience in the process of claisen thermal rearrangement reaction device use.

[0016] 2, The utility model discloses a setting through the cleaning subassembly can in the claisen thermal rearrangement reaction device of aromatic base allyl ether compound use, through fastening bolt fixed mounting in the reaction kettle inside upper end, utilize the water pipe to send water to the water storage ring inside, and cooperate the water injector that sets up in the water storage ring inside and send out the water evenly, thereby utilize the water injector to clean the inside of reaction kettle, cooperate the material that scrapes the material board possibly and remains on the inner wall and cleans effectively, utilize the discharge pipe that sets up on the reaction kettle bottom outside and send out material, cooperate the regulating valve control material's delivery simultaneously, improve the overall practicality and use efficiency of claisen thermal rearrangement reaction device. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is the three-dimensional structure schematic diagram of a kind of claisen thermal rearrangement reaction device of aromatic base allyl ether compound of the utility model;

[0018] Fig. 2 It is the heating assembly three-dimensional sectional view structure schematic diagram of a kind of claisen thermal rearrangement reaction device of aromatic base allyl ether compound of the utility model;

[0019] Fig. 3 It is the cleaning subassembly three-dimensional bottom view structure schematic diagram of a kind of claisen thermal rearrangement reaction device of aromatic base allyl ether compound of the utility model.

[0020] In the drawing: 1, reaction kettle;2, support column;3, feed inlet;4, heating assembly;401, servo motor;402, support rod;403, mixing rod;404, installation cross bar;405, material scraping plate;406, heating wire;5, cleaning subassembly;501, water storage ring;502, water injector;503, water pipe;504, discharge pipe;505, regulating valve. DETAILED DESCRIPTION

[0021] The embodiment of the utility model is further described in detail in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0022] As Figs. 1-3The device for the Claisen thermal rearrangement reaction of an aromatic allyl ether compound is shown, which comprises a reaction kettle 1 and a heating assembly 4, the reaction kettle 1 is externally provided with a support column 2, and the right side of the upper end of the reaction kettle 1 is provided with a feeding port 3, the reaction kettle 1 is internally provided with the heating assembly 4, and the heating assembly 4 comprises a servo motor 401, a support rod 402, a mixing rod 403, a mounting cross rod 404, a scraping plate 405 and a heating wire 406, the front end of the servo motor 401 is connected with the support rod 402, the support rod 402 is externally provided with the mixing rod 403, and the support rod 402 is externally provided with the mounting cross rod 404, the front end of the mounting cross rod 404 is provided with the scraping plate 405, the heating wire 406 is additionally arranged on the inner wall of the reaction kettle 1, the mixing rod 403 is in embedded connection with the reaction kettle 1, and the mixing rod 403 is rotatably connected with the reaction kettle 1 through the servo motor 401, the number of the mounting cross rods 404 is four, the scraping plate 405 is connected with the support rod 402 through the mounting cross rod 404, the number of the scraping plates 405 is two, and the two scraping plates 405 are symmetrically arranged on the two sides of the support rod 402 with the front central axis of the support rod 402 as the center, the outer side of the scraping plate 405 is horizontally distributed on the inner side of the reaction kettle 1, the outer side of the scraping plate 405 is tightly attached to the inner wall of the reaction kettle 1, the servo motor 401 is fixedly installed on the upper end of the reaction kettle 1 through fastening bolts, the output group of the servo motor 401 is connected with the support rod 402 through a shaft coupling, the servo motor 401 drives the support rod 402 to rotate, so that the mixing rod 403 externally installed on the support rod 402 rotates in the reaction kettle 1, the material is uniformly mixed by the mixing rod 403, so that the reaction effect is improved, the mounting cross rod 404 is fixedly installed on the outer side of the support rod 402, and the scraping plate 405 is fixedly installed on the front end of the mounting cross rod 404 through fastening bolts, the inner wall of the reaction kettle 1 is scraped by the scraping plate 405, and the heating wire 406 arranged in the reaction kettle 1 heats the material, the scraping plate 405 can scrape the inner wall while avoiding that the temperature of the inner wall is too high to affect the overall reaction effect, and the material can be uniformly heated in the mixing process by the mixing rod 403, so that the convenience in the use of the Claisen thermal rearrangement reaction device is improved.

[0023] As Figs. 1-3As shown, a cleaning assembly 5 is provided at the upper end of the interior of the reactor 1, and the cleaning assembly 5 includes a water storage ring 501, a water injector 502, a water inlet pipe 503, a discharge pipe 504 and a regulating valve 505. The water injector 502 is installed on the inner side of the water storage ring 501, and the water inlet pipe 503 is connected to the outside of the water storage ring 501. A discharge pipe 504 is provided on the outer side of the bottom of the reactor 1, and a regulating valve 505 is added to the upper end of the discharge pipe 504. The water injectors 502 are equidistantly distributed on the inner side of the water storage ring 501, and the water injectors 502 and the water storage ring 501 are fixedly connected by bolts. The regulating valve 505 and the discharge pipe 504 are vertically distributed, and the regulating valve 505 is connected by The bolts are fixedly connected to the discharge pipe 504, and the water storage ring 501 is fixedly installed at the upper end of the interior of the reactor 1 by tightening the bolts. Water is transported to the interior of the water storage ring 501 by using the water inlet pipe 503, and the water is evenly and equally delivered in conjunction with the water injector 502 provided on the inner side of the water storage ring 501, so that the interior of the reactor 1 is cleaned by using the water injector 502, and at the same time, the material that may remain on the inner wall is effectively cleaned in conjunction with the scraper 405. The material is delivered by using the discharge pipe 504 provided on the outer side of the bottom of the reactor 1, and the material delivery is regulated in conjunction with the regulating valve 505, thereby improving the overall practicality and utilization efficiency of the Claisen thermal rearrangement reaction device.

[0024] In summary, when the Claisen thermal rearrangement reaction device of the aromatic allyl ether compound is used, the stability of the reactor 1 during use is first increased by the support column 2, and the material to be processed is transported to the inside of the reactor 1 by using the feed port 3, and the feed port 3 is not sealed after the material transportation is completed, so that heat can be dissipated through the feed port 3 during the material processing process, and the support rod 402 is driven to rotate by the servo motor 401, so that the mixing rod 403 installed outside the support rod 402 rotates inside the reactor 1, and the mixing rod 403 is used to evenly mix the material, thereby improving the reaction effect, and the mounting cross bar 404 is fixedly installed on the outside of the support rod 402, and the scraper plate 405 is fixedly installed on the front end of the mounting cross bar 404 by using the fastening bolts, and the scraper plate 405 is used to scrape the inner wall of the reactor 1. At the same time, the heating wire 406 arranged inside the reactor 1 heats the material, and the maximum temperature of the heating wire 406 during operation is limited to a certain extent, so as to avoid the situation where the temperature inside the reactor 1 is too high, and thus avoid accidents caused by the polymerization and coking of raw materials and products blocking heat transfer. Then, the water inlet pipe 503 is used to transport water to the inside of the water storage ring 501, and the water injector 502 arranged on the inner side of the water storage ring 501 is used to evenly and equally deliver water, so that the inside of the reactor 1 is cleaned by the water injector 502, and the scraper 405 is used to effectively clean the material that may remain on the inner wall, and the discharge pipe 504 arranged on the outer side of the bottom of the reactor 1 is used to deliver the material, and the regulating valve 505 is used to control the delivery of the material, thereby improving the overall practicality and utilization efficiency of the Claisen thermal rearrangement reaction device.

[0025] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the application and its practical application, and to thereby enable others skilled in the art to best utilize the application, with various modifications as are suited to the particular use contemplated.

Claims

1. A Claisen thermal rearrangement reaction device for an aromatic allyl ether compound, comprising a reactor (1) and a heating assembly (4), characterized in that: The reactor (1) is provided with a supporting column (2) on the outside, and a feed port (3) is provided on the right side of the upper end of the reactor (1). A heating component (4) is provided inside the reactor (1), and the heating component (4) comprises a servo motor (401), a support rod (402), a mixing rod (403), a mounting cross bar (404), a scraper plate (405) and a heating wire (406). The front end of the servo motor (401) is connected to the support rod (402), and the mixing rod (403) is installed on the outside of the support rod (402), and the mounting cross bar (404) is provided on the outside of the support rod (402), and the scraper plate (405) is installed on the front end of the mounting cross bar (404). The inner wall of the reactor (1) is additionally provided with a heating wire (406), and the upper end of the reactor (1) is provided with a cleaning component (5).

2. The Claisen thermal rearrangement reaction device for an aromatic allyl ether compound according to claim 1, characterized in that: The mixing rod (403) is embedded in the reactor (1), and the mixing rod (403) is rotationally connected to the reactor (1) via a servo motor (401).

3. The Claisen thermal rearrangement reaction device for an aromatic allyl ether compound according to claim 1, characterized in that: The number of the mounting cross bars (404) is four, and the scraper plate (405) is connected to the support rod (402) via the mounting cross bars (404).

4. The Claisen thermal rearrangement reaction device for an aromatic allyl ether compound according to claim 1, characterized in that: There are two scraper plates (405), and the two scraper plates (405) are symmetrically arranged on both sides of the outside of the support rod (402) with respect to the front center axis of the support rod (402).

5. The Claisen thermal rearrangement reaction device for an aromatic allyl ether compound according to claim 1, characterized in that: The outer side of the scraper plate (405) is horizontally distributed with the inner side of the reaction kettle (1), and the outer side of the scraper plate (405) is tightly fitted with the inner wall of the reaction kettle (1).

6. The Claisen thermal rearrangement reaction device for an aromatic allyl ether compound according to claim 1, characterized in that: The cleaning assembly (5) comprises a water storage ring (501), a water injector (502), a water inlet pipe (503), a discharge pipe (504) and a regulating valve (505); the water injector (502) is installed on the inner side of the water storage ring (501), and the water inlet pipe (503) is connected to the outside of the water storage ring (501); the discharge pipe (504) is arranged on the outer side of the bottom of the reactor (1), and the upper end of the discharge pipe (504) is additionally provided with a regulating valve (505).

7. The Claisen thermal rearrangement reaction device for an aromatic allyl ether compound according to claim 6, characterized in that: The water injectors (502) are equidistantly distributed on the inner side of the water storage ring (501), and the water injectors (502) and the water storage ring (501) are fixedly connected by bolts.

8. The Claisen thermal rearrangement reaction device for an aromatic allyl ether compound according to claim 6, characterized in that: The regulating valve (505) and the discharge pipe (504) are vertically distributed, and the regulating valve (505) is fixedly connected to the discharge pipe (504) by bolts.

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