Production device of antioxidant 1010

Abstract

The utility model discloses an antioxidant 1010 production device which comprises a vacuum reaction kettle, a first heat exchanger, a second heat exchanger, a 3, 5 methyl ester intermediate tank, a condenser, a methanol storage tank, a vacuum pump set, a methanol tail tank, a crystallization kettle, a centrifugal machine, an ultrasonic pipeline, a drying machine and a packaging machine, a catalyst adding device is arranged above the vacuum reaction kettle, and the vacuum reaction kettle is connected with a first heat exchanger; the first heat exchanger is connected with the second heat exchanger, and the second heat exchanger is arranged above the first heat exchanger; the vacuum reaction kettle is connected with the 3, 5-methyl ester intermediate tank, a first material line is arranged between the kettle top of the vacuum reaction kettle and the kettle top of the 3, 5-methyl ester intermediate tank, and a second material line is arranged between the kettle bottom of the 3, 5-methyl ester intermediate tank and the kettle top of the vacuum reaction kettle; the second heat exchanger is connected with a condenser, and a methanol storage tank is arranged below the condenser. According to the utility model, the production efficiency and the product quality of the antioxidant 1010 are effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of chemical equipment, concretely relates to a production device of antioxidant 1010. BACKGROUND

[0002] Antioxidant 1010 is tetra [beta-(3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid] pentaerythritol ester, as an excellent polybasic symmetrical hindered phenol, has the advantages of small volatility, good resistance to extraction, high thermal stability, long persistence, no coloring, no pollution, non-toxic and the like, has a synergistic effect when used with antioxidant DLTP and antioxidant 168, and can effectively prevent thermal oxidative degradation of polymer materials in a long-term aging process.

[0003] The reaction rate of the traditional antioxidant 1010 production device is not easy to control, which affects the product quality. Moreover, the overall production efficiency is low due to the low distillation efficiency and reflux efficiency in the reaction stage. In the subsequent processes such as crystallization, centrifugation, drying and packaging, there are problems of poor material flow, which leads to low production efficiency.

[0004] In summary, the traditional antioxidant 1010 production device has problems of low reaction efficiency, long production time, difficult discharge, and low production efficiency, which need to be improved. UTILITY MODEL CONTENTS

[0005] In view of the above problems and to make up for the deficiencies of the prior art, the utility model provides a production device of antioxidant 1010, which comprises a vacuum reaction kettle, a first heat exchanger, a second heat exchanger, a 3,5 methyl ester intermediate tank, a condenser, a methanol storage tank, a vacuum pump set, a methanol tail tank, a crystallization kettle, a centrifuge, an ultrasonic pipeline, a dryer and a packaging machine.

[0006] A catalyst feeder is arranged above the vacuum reaction kettle, the vacuum reaction kettle is connected with the first heat exchanger, the first heat exchanger is connected with the second heat exchanger, and the second heat exchanger is arranged above the first heat exchanger; a third material line is arranged between the kettle bottom of the second heat exchanger and the kettle top of the 3,5 methyl ester intermediate tank.

[0007] The vacuum reaction kettle is connected with the 3,5 methyl ester intermediate tank, a first material line is arranged between the kettle top of the vacuum reaction kettle and the kettle top of the 3,5 methyl ester intermediate tank, and a second material line is arranged between the kettle bottom of the 3,5 methyl ester intermediate tank and the kettle top of the vacuum reaction kettle.

[0008] The second heat exchanger is connected with a condenser, a methanol storage tank is arranged below the condenser, the rear end of the methanol storage tank is connected with a vacuum pump group, and the vacuum pump group is connected with a methanol tail tank.

[0009] The top of the vacuum reaction kettle is connected with the top of the crystallization kettle, a centrifugal machine is arranged below the crystallization kettle, the centrifugal machine is connected with a drying machine through a first ultrasonic wave pipeline, and the drying machine is connected with a packaging machine through a second ultrasonic wave pipeline.

[0010] Preferably, the catalyst adding device comprises a volume tank, a control valve and a meter, and a nitrogen pipeline is arranged above the catalyst adding device.

[0011] Preferably, a first three-way two-position valve is arranged on the first material line, and a second three-way two-position valve is arranged on the third material line.

[0012] Preferably, the vacuum reaction kettle is connected with the first heat exchanger through a first three-way two-position valve, and the first heat exchanger is connected with the second heat exchanger through a second three-way two-position valve.

[0013] Preferably, the ultrasonic wave pipeline comprises a pipeline body and an ultrasonic wave device fixedly connected to the pipeline body.

[0014] Preferably, the vacuum pump group comprises two vacuum pumps, and the two vacuum pumps are connected with the methanol storage tank in parallel.

[0015] Preferably, the vacuum reaction kettle is provided with a bottom inserting pipe, and the vacuum reaction kettle is connected with the crystallization kettle through the bottom inserting pipe.

[0016] The utility model discloses beneficial effects:

[0017] The utility model discloses through being provided with catalyst adding device, can accurate control catalyst's input, and can batch catalyst's input, reach accurate control reaction rate, guarantee the purpose of product quality.

[0018] The utility model discloses adopted three -dimensional structure layout, including the connection mode between vacuum reaction kettle, first heat exchanger, second heat exchanger and so on equipment, has improved the efficiency of the distillation and reflux of reaction stage, thereby improved the overall production efficiency.

[0019] Through setting up vacuum pump group, and adopting two vacuum pumps parallel connection's structure, has guaranteed the vacuum condition of reaction, made the efficiency of reaction stage greatly improve.

[0020] Between crystallization kettle, centrifugal machine, drying machine, packaging machine and so on subsequent processing equipment, through ultrasonic wave pipeline, the material is vibrated and improves the speed of discharging, speeds up the flow of solid material, thereby further improve the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a kind of antioxidant 1010's production device's schematic diagram of the utility model.

[0022] Marked in the drawing: 1 is vacuum reaction kettle;2 is catalyst feeder;3 is first three-way two-position valve;4 is first heat exchanger;5 is second three-way two-position valve;6 is second heat exchanger;7 is condenser;8 is 3, 5 methyl ester intermediate tank;9 is methanol storage tank;10 is vacuum pump group;11 is methanol tail tank;12 is crystallization kettle;13 is centrifuge;14 is drying machine;15 is first ultrasonic wave pipeline;16 is second ultrasonic wave pipeline;17 is packing machine;18 is first material line;19 is second material line;20 is third material line;21 is nitrogen pipeline. DETAILED DESCRIPTION

[0023] In order to make the technical problem, technical scheme and beneficial effect solved by the utility model more clearly, the following is further detailed in combination with the specific embodiments and the drawings.The specific embodiments described herein are merely used to explain the utility model, and are not used to limit the utility model.

[0024] In combination with Figure 1 As shown in the figure, a kind of antioxidant 1010's production device, including vacuum reaction kettle 1, first heat exchanger 4, second heat exchanger 6, 3, 5 methyl ester intermediate tank 8, condenser 7, methanol storage tank 9, vacuum pump group 10, methanol tail tank 11, crystallization kettle 12, centrifuge 13, ultrasonic wave pipeline, drying machine 14, packing machine 17;Ultrasonic wave pipeline includes first ultrasonic wave pipeline 15, second ultrasonic wave pipeline 16;

[0025] The upper portion of vacuum reaction kettle 1 is provided with catalyst feeder 2, and vacuum reaction kettle 1 is connected with first heat exchanger 4;First heat exchanger 4 is connected with second heat exchanger 6, and second heat exchanger 6 is arranged above first heat exchanger 4;Third material line 20 is arranged between the kettle bottom of second heat exchanger 6 and the kettle top of 3, 5 methyl ester intermediate tank 8;

[0026] Vacuum reaction kettle 1 is connected with 3, 5 methyl ester intermediate tank 8, first material line 18 is arranged between the kettle top of vacuum reaction kettle 1 and the kettle top of 3, 5 methyl ester intermediate tank 8, and second material line 19 is arranged between the kettle bottom of 3, 5 methyl ester intermediate tank 8 and the kettle top of vacuum reaction kettle 1;

[0027] First material line 18 and third material line 20 are the material lines of removed 3, 5 methyl ester, and the removed 3, 5 methyl ester enters 3, 5 methyl ester intermediate tank 8;Second material line 19 is the material line of the removed 3, 5 methyl ester input into vacuum reaction kettle 1 for reuse.

[0028] The second heat exchanger 6 is connected with the condenser 7, a methanol storage tank 9 is arranged below the condenser 7, the rear end of the methanol storage tank 9 is connected with a vacuum pump set 10, and the vacuum pump set 10 is connected with a methanol tail tank 11.

[0029] Methanol is generated in the reaction process of producing the antioxidant 1010, the methanol can be cooled by the condenser 7, then collected through the methanol storage tank 9, and the residual methanol is collected again by the methanol tail tank 11.

[0030] The top of the vacuum reaction kettle 1 is connected with the top of a crystallization kettle 12, a centrifugal machine 13 is arranged below the crystallization kettle 12, the centrifugal machine 13 is connected with a drying machine 14 through a first ultrasonic wave pipeline 15, and the drying machine 14 is connected with a packaging machine 17 through a second ultrasonic wave pipeline 16.

[0031] The crystallization kettle 12, the centrifugal machine 13, the drying machine 14 and the packaging machine 17 are arranged in a position layout from top to bottom in space orientation.

[0032] Specifically, the catalyst feeder 2 comprises a volumetric tank, a control valve and a meter, and the top of the catalyst feeder 2 is provided with a nitrogen pipeline 21.

[0033] The meter of the catalyst feeder 2 can ensure accurate feeding of the catalyst, the control valve controls the opening and closing of the catalyst feeder 2, and the volumetric tank is used for storing the catalyst. Due to the arrangement of the catalyst feeder 2, the feeding of the catalyst can be accurately controlled, and the feeding of the catalyst can be carried out in batches, so that the reaction rate can be accurately controlled, and the product quality can be ensured.

[0034] Specifically, a first three-way two-position valve 3 is arranged on the first material line 18, and a second three-way two-position valve 5 is arranged on the third material line 20. The vacuum reaction kettle 1 is connected with the first heat exchanger 4 through the first three-way two-position valve 3, and the first heat exchanger 4 is connected with the second heat exchanger 6 through the second three-way two-position valve 5.

[0035] Methanol is generated in the reaction process of producing the antioxidant 1010, and the methanol can carry out part of 3, 5 methyl ester, and the functions of the two three-way two-position valves are to control the material direction. Excessive 3, 5 methyl ester is required in the reaction stage of producing the antioxidant 1010 to ensure that the reaction proceeds in the positive direction; when the reaction is completed, the two three-way two-position valves are controlled to remove the 3, 5 methyl ester.

[0036] Specifically, the ultrasonic wave pipeline comprises a pipeline body and an ultrasonic wave device fixedly connected to the pipeline body. The ultrasonic wave pipeline of the utility model can vibrate the material through ultrasonic waves, improve the discharging speed, accelerate the flow of solid material, and improve the production efficiency.

[0037] Specifically, the vacuum pump set 10 includes two vacuum pumps, namely a first vacuum pump and a second vacuum pump.

[0038] Specifically, the vacuum reaction kettle 1 is provided with a bottom inserting pipe, and the vacuum reaction kettle 1 is connected with the crystallization kettle 12 through the bottom inserting pipe.

[0039] The working process of the utility model is as follows:

[0040] The raw materials required for the reaction are put into the vacuum reaction kettle 1, the vacuum pump set 10 is started, nitrogen is connected to the nitrogen pipeline 21, the control valve of the catalyst adding device 2 is opened, the vacuum reaction kettle 1 is subjected to the first nitrogen replacement, the second nitrogen replacement is carried out, a part of the catalyst is added to the catalyst adding device 2, meanwhile, the first three-way two-position valve 3 and the second three-way two-position valve 5 are switched to the reflux state (the reflux state is the state of the forward reaction), the vacuum reaction kettle 1 is subjected to the temperature rising, and the ester exchange reaction is carried out under the limit vacuum (i.e. the atmospheric pressure in the vacuum reaction kettle 1 is 0.01 Mpa or less), the catalyst is added to the catalyst adding device 2 again after the reaction for a certain time, and the reaction is promoted to proceed forward quickly.

[0041] After the ester exchange reaction is completed, the first three-way two-position valve 3 and the second three-way two-position valve 5 are switched, and the removal of 3, 5 methyl ester is carried out.

[0042] After the 3, 5 methyl ester is basically removed, the material in the vacuum reaction kettle 1 enters the crystallization kettle 12 (the solvent is pre-connected in the crystallization kettle 12), the temperature is lowered for crystallization, the material after the crystallization is completed enters the centrifugal machine 13 for washing, the material after the washing enters the drying machine 14 through the first ultrasonic pipeline 15, and after the drying is completed, the material enters the packaging machine 17 through the second ultrasonic pipeline 16 for packaging.

[0043] It can be understood that the above specific description of the utility model is only used for illustrating the utility model and is not limited to the technical scheme described in the utility model embodiment, and the person skilled in the art should understand that the utility model can still be modified or replaced equivalently to achieve the same technical effect, as long as the use needs are met, which is within the protection scope of the utility model.

Claims

1. A production apparatus for antioxidant 1010, characterized in that: It comprises a vacuum reactor (1), a first heat exchanger (4), a second heat exchanger (6), a 3,5 methyl ester intermediate tank (8), a condenser (7), a methanol storage tank (9), a vacuum pump group (10), a methanol tail tank (11), a crystallization kettle (12), a centrifuge (13), an ultrasonic pipeline, a dryer (14), a packaging machine (17); the ultrasonic pipeline comprises a first ultrasonic pipeline (15) and a second ultrasonic pipeline (16). The upper portion of the vacuum reactor (1) is provided with a catalyst feeder (2), the vacuum reactor (1) is connected with the first heat exchanger (4); the first heat exchanger (4) is connected with the second heat exchanger (6), and the second heat exchanger (6) is arranged above the first heat exchanger (4); the kettle bottom of the second heat exchanger (6) is connected with the kettle top of the 3,5 methyl ester intermediate tank (8) through a third material line (20). The vacuum reactor (1) is connected with the 3,5 methyl ester intermediate tank (8), the kettle top of the vacuum reactor (1) is connected with the kettle top of the 3,5 methyl ester intermediate tank (8) through a first material line (18), and the kettle bottom of the 3,5 methyl ester intermediate tank (8) is connected with the kettle top of the vacuum reactor (1) through a second material line (19). The second heat exchanger (6) is connected with the condenser (7), the lower portion of the condenser (7) is provided with the methanol storage tank (9), the rear end of the methanol storage tank (9) is connected with the vacuum pump group (10), and the vacuum pump group (10) is connected with the methanol tail tank (11). The kettle top of the vacuum reactor (1) is connected with the kettle top of the crystallization kettle (12), the lower portion of the crystallization kettle (12) is provided with the centrifuge (13), the centrifuge (13) is connected with the dryer (14) through the first ultrasonic pipeline (15), and the dryer (14) is connected with the packaging machine (17) through the second ultrasonic pipeline (16).

2. The apparatus according to claim 1, wherein: The catalyst feeder (2) comprises a volume tank, a control valve and a meter, and the upper portion of the catalyst feeder (2) is provided with a nitrogen pipeline (21).

3. The apparatus according to claim 1, wherein: A first three-way two-position valve (3) is arranged on the first material line (18), and a second three-way two-position valve (5) is arranged on the third material line (20).

4. The apparatus according to claim 3, wherein: The vacuum reactor (1) is connected with the first heat exchanger (4) through the first three-way two-position valve (3), and the first heat exchanger (4) is connected with the second heat exchanger (6) through the second three-way two-position valve (5).

5. The apparatus according to claim 1, wherein: The ultrasonic pipeline comprises a pipeline body and an ultrasonic device fixedly connected to the pipeline body.

6. The apparatus according to claim 1, wherein: The vacuum pump group (10) comprises two vacuum pumps.

7. The apparatus according to claim 1, wherein: The vacuum reactor (1) is provided with a plug-in pipe, and the vacuum reactor (1) is connected with the crystallization kettle (12) through the plug-in pipe.

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