Distillation kettle for synthesizing ultraviolet light absorber intermediate

Abstract

The utility model relates to the technical field of ultraviolet light absorber production, and particularly discloses a distillation still for ultraviolet light absorber intermediate synthesis, which comprises a still body, the outer wall of the still body is fixedly connected with a support plate, and the upper end face of the support plate is fixedly connected with two symmetrically distributed first sleeves. Sliding rods are slidably connected to the interiors of the two first sleeves in a penetrating manner, a mounting plate is fixedly connected to the upper end surfaces of the two sliding rods, a first rotating shaft is rotatably connected to the interior of the mounting plate, and the lower end of the first rotating shaft extends into the kettle body and is fixedly connected with a plurality of connecting rods; the outer walls of the multiple connecting rods are fixedly connected with scraping plates abutting against the inner wall of the kettle body, stirring blades are driven by a second rotating shaft to rotate, raw materials are fully stirred, the raw materials are evenly heated, the distillation effect is good, condensate generated on the inner wall of the kettle body is scraped off through periodic reciprocating rotation of the scraping plates while reciprocating up and down, and therefore the efficiency of distillation is improved. Therefore, the use effect is good.

Description

TECHNICAL FIELD

[0001] The utility model relates to ultraviolet absorbent production technical field, specifically disclose a distillation kettle for ultraviolet absorbent intermediate synthesis. BACKGROUND

[0002] Ultraviolet absorbent is the most widely used one kind of light stabilizer at present, can be divided into salicylic acid ester class, benzophenone class, benzotriazole class, substituted acrylonitrile class, triazine class etc. according to its structure, and the most used in industry is benzophenone class and benzotriazole class. Quenching agent is mainly metal complex, such as divalent nickel complex, is often used with ultraviolet absorbent, and plays a synergistic effect.

[0003] In the ultraviolet absorbent production process, the raw materials need to be distilled using a distillation kettle. The existing distillation kettle for ultraviolet absorbent intermediate synthesis is not convenient to scrape off the condensate generated on the inner wall of the kettle body. Therefore, a distillation kettle for ultraviolet absorbent intermediate synthesis is needed to solve this problem. SUMMARY

[0004] The utility model discloses a distillation kettle for ultraviolet absorbent intermediate synthesis, which rotates the stirring blade to fully stir the raw materials, so that the raw materials are evenly heated, the distillation effect is good, and the condensate generated on the inner wall of the kettle body can be scraped off by rotating the scraper during up-down movement, so that redistillation is performed, and the use effect is good.

[0005] The utility model discloses a distillation kettle for ultraviolet absorbent intermediate synthesis, which rotates the stirring blade to fully stir the raw materials, so that the raw materials are evenly heated, the distillation effect is good, and the condensate generated on the inner wall of the kettle body can be scraped off by rotating the scraper during up-down movement, so that redistillation is performed, and the use effect is good.

[0006] The utility model discloses a distillation kettle for ultraviolet absorbent intermediate synthesis, which rotates the stirring blade to fully stir the raw materials, so that the raw materials are evenly heated, the distillation effect is good, and the condensate generated on the inner wall of the kettle body can be scraped off by rotating the scraper during up-down movement, so that redistillation is performed, and the use effect is good. The utility model discloses a distillation kettle for ultraviolet absorbent intermediate synthesis, which rotates the stirring blade to fully stir the raw materials, so that the raw materials are evenly heated, the distillation effect is good, and the condensate generated on the inner wall of the kettle body can be scraped off by rotating the scraper during up-down movement, so that redistillation is performed, and the use effect is good.

[0007] In order to facilitate the drive second shaft rotation, as a kind of ultraviolet absorber intermediate synthesis distillation kettle preferred of the utility model, the outer wall of the kettle body is equipped with driving motor, the output end of the driving motor is fixedly connected with first belt pulley, the outer wall of the second shaft is fixedly connected with second belt pulley, and the first belt pulley is drivenly connected with second belt pulley by belt.

[0008] In order to facilitate feeding and discharging, as a kind of ultraviolet absorber intermediate synthesis distillation kettle preferred of the utility model, the upper end surface of the kettle body is provided with the feed inlet with electromagnetic valve mounted on the outer wall, and the lower end of the kettle body is provided with the discharge outlet with electromagnetic valve mounted on the outer wall.

[0009] In order to facilitate exhaust, as a kind of ultraviolet absorber intermediate synthesis distillation kettle preferred of the utility model, the upper end surface of the kettle body is provided with exhaust port.

[0010] In order to facilitate supporting equipment, as a kind of ultraviolet absorber intermediate synthesis distillation kettle preferred of the utility model, the lower end surface of the supporting plate is fixedly connected with four symmetrically distributed supporting legs.

[0011] In order to facilitate control equipment, as a kind of ultraviolet absorber intermediate synthesis distillation kettle preferred of the utility model, the outer wall of the kettle body is provided with controller, and the heating pipe and driving motor are electrically connected with the controller.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The distillation kettle for ultraviolet absorber intermediate synthesis, the second shaft drives the stirring blade to rotate, the raw materials are fully stirred, the raw materials are uniformly heated, the distillation effect is good, the first sleeve, the slide rod, the mounting plate, the first shaft, the roller and the second sleeve are matched, the scraper is periodically reciprocatingly rotated while reciprocating up and down, the condensate generated on the inner wall of the kettle body is scraped off and re-distilled in the kettle body, and the use effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the overall structural drawing of the distillation kettle for ultraviolet absorber intermediate synthesis of the utility model;

[0015] Fig. 2 It is the front view of the distillation kettle for ultraviolet absorber intermediate synthesis of the utility model;

[0016] Fig. 3 It is the structure diagram of the first shaft of the utility model.

[0017] In the figure, 1, kettle body; 2, heating pipe; 3, support plate; 4, first sleeve; 5, sliding rod; 6, mounting plate; 7, first rotating shaft; 8, connecting rod; 9, scraper; 10, roller; 11, second sleeve; 12, helical groove; 13, second rotating shaft; 14, stirring blade; 15, first connecting rod; 16, connecting shaft; 17, second connecting rod; 18, slot; 19, driving motor; 20, first pulley; 21, second pulley; 22, controller. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described 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.

[0019] In the utility model, unless another explicit provision and limitation, the terms "connect", "fix" and other terms should be understood broadly, for example, can be fixed connection, also can be detachable connection, or be integrated, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the communication of two elements or the interaction of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0020] Please refer to Figs. 1-3 A distillation kettle for synthesizing ultraviolet absorber intermediate, including kettle body 1, two heating pipes 2 are installed in the inside of kettle body 1, the outer wall of kettle body 1 is fixedly connected with support plate 3, the upper end surface of support plate 3 is fixedly connected with two symmetrical first sleeves 4, the inside of two first sleeves 4 is slidably connected with sliding rod 5, the upper end surface of two sliding rods 5 is fixedly connected with mounting plate 6, the inside of mounting plate 6 is rotatably connected with first rotating shaft 7, the lower end of first rotating shaft 7 extends to the inside of kettle body 1 and is fixedly connected with multiple connecting rods 8, the outer wall of multiple connecting rods 8 is fixedly connected with scraper 9 abutting with the inner wall of kettle body 1, the upper end surface of kettle body 1 is fixedly connected with second sleeve 11, the outer wall of second sleeve 11 is provided with two circumferentially distributed helical grooves 12, the outer wall of first rotating shaft 7 is rotatably connected with two symmetrical rollers 10, two rollers 10 are slidably connected with two helical grooves 12 respectively;

[0021] The inside of kettle body 1 is rotatably connected with second rotating shaft 13, the outer wall of second rotating shaft 13 is fixedly connected with multiple stirring blades 14, the two ends of second rotating shaft 13 are fixedly connected with first connecting rod 15, the other end of the outer wall of two first connecting rods 15 is fixedly connected with connecting shaft 16, the lower end surface of two sliding rods 5 is fixedly connected with second connecting rod 17, the outer wall of two second connecting rods 17 is provided with slot 18, two connecting shafts 16 are slidably connected with two slots 18 respectively.

[0022] In the embodiment, the driving motor 19 is started, the driving motor 19 drives the first belt pulley 20 to rotate, the second belt pulley 21 is further driven to rotate through the belt, the second rotating shaft 13 is further driven to rotate, and the plurality of stirring blades 14 are further driven to rotate, so that the raw materials are fully stirred, the raw materials are uniformly heated, and the distillation effect is good.

[0023] When the second rotating shaft 13 rotates, the two first connecting rods 15 are further driven to rotate, the two second connecting rods 17 are driven to move up and down through the connecting shaft 16 and the slot hole 18, the slide rod 5 is further driven to move up and down along the first sleeve 4 through the two second connecting rods 17, the mounting plate 6 is further driven to move up and down through the slide rod 5, the first rotating shaft 7 is further driven to move up and down through the mounting plate 6, the roller 10 is driven to move along the spiral groove 12 through the first rotating shaft 7, and the first rotating shaft 7 is driven to rotate periodically while moving up and down through the roller 10, so that the scraper 9 is driven to rotate periodically while moving up and down through the connecting rod 8, the condensed liquid generated on the inner wall of the kettle body 1 is scraped off and re-distilled into the kettle body 1, and the use effect is good.

[0024] As a technical optimization scheme of the utility model, the outer wall of the kettle body 1 is provided with a driving motor 19, the output end of the driving motor 19 is fixedly connected with a first belt pulley 20, the outer wall of the second rotating shaft 13 is fixedly connected with a second belt pulley 21, and the first belt pulley 20 and the second belt pulley 21 are connected through a belt transmission.

[0025] In the embodiment, the driving motor 19, the first belt pulley 20, the second belt pulley 21 and the belt are matched, the second rotating shaft 13 is conveniently driven to rotate, and power is provided for device operation.

[0026] As a technical optimization scheme of the utility model, the upper end surface of the kettle body 1 is provided with an inlet provided with an electromagnetic valve on the outer wall, and the lower end of the kettle body 1 is provided with an outlet provided with an electromagnetic valve on the outer wall.

[0027] In the embodiment, the inlet is arranged on the upper end surface of the kettle body 1, so that feeding is facilitated, and the outlet is arranged on the lower end of the kettle body 1, so that discharging is facilitated.

[0028] As a technical optimization scheme of the utility model, the upper end surface of the kettle body 1 is provided with an exhaust port.

[0029] In the embodiment, the exhaust port is arranged on the upper end surface of the kettle body 1, so that steam generated during distillation can be discharged out of the kettle body 1, and the other end of the exhaust port is communicated with a condenser to condense the steam.

[0030] As a technical optimization scheme of the utility model, the lower end surface of the supporting plate 3 is fixedly connected with four supporting legs which are symmetrically distributed.

[0031] In the embodiment, the four supporting legs are fixedly connected to the lower end surface of the supporting plate 3, so that the device is conveniently supported.

[0032] As a technical optimization scheme of the utility model, the outer wall of the kettle body 1 is provided with a controller 22, and the heating pipe 2 and the driving motor 19 are electrically connected with the controller 22.

[0033] In the embodiment, the controller 22 is used to control the normal work of the heating pipe 2 and the driving motor 19.

[0034] The working principle and use process of the utility model are as follows: in use, firstly, raw materials are introduced into the kettle body 1 through the feeding port, then the heating pipe 2 and the driving motor 19 are started, the driving motor 19 drives the first belt pulley 20 to rotate, then the second belt pulley 21 is driven to rotate through the belt, the second belt pulley 21 further drives the second rotating shaft 13 to rotate, then the plurality of stirring blades 14 are driven to rotate, the raw materials are fully stirred, the raw materials are uniformly heated, the distillation effect is good, when the second rotating shaft 13 rotates, the two first connecting rods 15 are further driven to rotate, then the two second connecting rods 17 are driven to move up and down through the connecting shaft 16 and the slot hole 18, the two second connecting rods 17 further drive the slide rod 5 to move up and down along the first sleeve 4, then the mounting plate 6 is driven to move up and down, the mounting plate 6 further drives the first rotating shaft 7 to move up and down, then the first rotating shaft 7 is driven to move along the spiral groove 12, then the first rotating shaft 7 is driven to reciprocate, so that the first rotating shaft 7 moves up and down and reciprocates periodically, then the scraper 9 is driven to move up and down and reciprocate periodically through the connecting rod 8, the condensed liquid generated on the inner wall of the kettle body 1 is scraped off and re-distilled in the kettle body 1, and the use effect is good.

[0035] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A distillation kettle for synthesizing an ultraviolet absorber intermediate, comprising a kettle body (1), two heating tubes (2) are installed inside the kettle body (1), characterized in that: The outer wall of the kettle body (1) is fixedly connected with a support plate (3), the upper end surface of the support plate (3) is fixedly connected with two symmetrically distributed first sleeves (4), the interiors of the two first sleeves (4) are both slidably connected with slide rods (5), the upper end surfaces of the two slide rods (5) are fixedly connected with mounting plates (6), the interiors of the mounting plates (6) are rotatably connected with first rotating shafts (7), the lower ends of the first rotating shafts (7) extend into the interior of the kettle body (1) and are fixedly connected with a plurality of connecting rods (8), the outer walls of the plurality of connecting rods (8) are fixedly connected with scraper plates (9) abutting against the inner wall of the kettle body (1), the upper end surface of the kettle body (1) is fixedly connected with a second sleeve (11), the outer wall of the second sleeve (11) is provided with two circumferentially distributed spiral grooves (12), the outer wall of the first rotating shaft (7) is rotatably connected with two symmetrically distributed rollers (10), the two rollers (10) are slidably connected with the two spiral grooves (12) respectively; The interior of the kettle body (1) is rotatably connected with a second rotating shaft (13), the outer wall of the second rotating shaft (13) is fixedly connected with a plurality of stirring blades (14), the two ends of the second rotating shaft (13) are both fixedly connected with first connecting rods (15), the other ends of the outer walls of the two first connecting rods (15) are both fixedly connected with connecting shafts (16), the lower end surfaces of the two slide rods (5) are both fixedly connected with second connecting rods (17), the outer walls of the two second connecting rods (17) are both provided with slot holes (18), the two connecting shafts (16) are slidably connected with the two slot holes (18) respectively.

2. The distillation still for synthesis of ultraviolet absorber intermediates according to claim 1, characterized in that: The outer wall of the kettle body (1) is provided with a driving motor (19), the output end of the driving motor (19) is fixedly connected with a first belt pulley (20), the outer wall of the second rotating shaft (13) is fixedly connected with a second belt pulley (21), and the first belt pulley (20) and the second belt pulley (21) are drivingly connected through a belt.

3. The distillation still for synthesis of ultraviolet absorber intermediates according to claim 1, characterized in that: The upper end surface of the kettle body (1) is provided with an inlet opening which is externally provided with an electromagnetic valve, and the lower end of the kettle body (1) is provided with an outlet opening which is externally provided with an electromagnetic valve.

4. The distillation still for synthesis of ultraviolet absorber intermediates according to claim 1, characterized in that: The upper end surface of the kettle body (1) is provided with an exhaust port.

5. The distillation still for synthesis of ultraviolet absorber intermediates according to claim 1, characterized in that: The lower end surface of the support plate (3) is fixedly connected with four symmetrically distributed supporting legs.

6. The distillation still for synthesis of ultraviolet absorber intermediates according to claim 2, characterized in that: The outer wall of the kettle body (1) is provided with a controller (22), and the heating pipe (2) and the driving motor (19) are both electrically connected with the controller (22).

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