CN210906116U - Hindered phenol antioxidant continuous ester exchange reaction production device - Google Patents
Hindered phenol antioxidant continuous ester exchange reaction production device Download PDFInfo
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- CN210906116U CN210906116U CN201921754603.5U CN201921754603U CN210906116U CN 210906116 U CN210906116 U CN 210906116U CN 201921754603 U CN201921754603 U CN 201921754603U CN 210906116 U CN210906116 U CN 210906116U
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Abstract
The utility model discloses a continuous ester exchange reaction production device of hindered phenol antioxidants, which relates to the technical field of antioxidant production equipment and comprises a reaction zone, a flash evaporation zone, a control box and a bottom plate, wherein the reaction zone, the flash evaporation zone and the control box are all arranged on the bottom plate, a low-temperature stirring chamber, a warming reaction chamber and a high-temperature vacuum chamber are sequentially arranged in the reaction zone from top to bottom, a motor is arranged at the top of the reaction zone through bolts, stirring frames are respectively arranged in the low-temperature stirring chamber, the warming reaction chamber and the high-temperature vacuum chamber, the stirring frames are arranged on an output shaft of the motor, the flash evaporation chamber is arranged in the flash evaporation zone, a fixing frame is welded between the reaction zone and the flash evaporation zone, a centrifugal pump is arranged at the bottom of the fixing frame through bolts, the centrifugal pump is respectively connected with the high-temperature vacuum chamber and the, the PLC controller and the power supply are arranged on the control box, and the control box has the characteristics of low production energy consumption, high efficiency and high purity of the produced antioxidant product.
Description
Technical Field
The utility model relates to an anti-oxidant production facility technical field, in particular to continuous ester exchange reaction apparatus for producing of hindered phenol class anti-oxidant.
Background
The antioxidant is an indispensable additive in the production and processing processes of polymer materials such as plastics, rubber, adhesives, oil products and the like, and if the antioxidant is not contained, polymer molecules are oxidized and degraded in the processing process and are aged quickly in the using process. At present, hindered phenol antioxidant reaction devices are all in kettle type reaction, each kettle is used for batch production, qualified antioxidant products can be produced, but the defects that technological parameters of the production process change greatly along with time, the production control difficulty is high, fluctuation is easy to generate, the product quality index is fluctuated, the conversion rate is not high, the later-stage distillation effect is poor, the distillation temperature is high, the time is long, the product purity is not high, and the color is poor exist, and therefore a hindered phenol antioxidant continuous ester exchange reaction production device is needed to help solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a continuous ester exchange reaction apparatus for producing of hindered phenol class antioxidant to solve the not enough problem of purity that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a hindered phenol antioxidant continuous ester exchange reaction production device comprises a reaction zone, a flash evaporation zone, a control box and a bottom plate, wherein the reaction zone, the flash evaporation zone and the control box are all arranged on the bottom plate, a low-temperature stirring cavity, a heating reaction cavity and a high-temperature vacuum cavity are sequentially arranged in the reaction zone from top to bottom, a motor is installed at the top of the reaction zone through bolts, stirring frames are respectively arranged in the low-temperature stirring cavity, the heating reaction cavity and the high-temperature vacuum cavity, the stirring frames are installed on an output shaft of the motor, a flash evaporation cavity is arranged in the flash evaporation zone, a fixing frame is welded between the reaction zone and the flash evaporation zone, a centrifugal pump is installed at the bottom of the fixing frame through bolts and is respectively connected with the high-temperature vacuum cavity and the flash evaporation cavity through a conduit, and heating plates and temperature sensors are respectively installed outside the heating reaction cavity, the high-temperature vacuum cavity, the control box is provided with a PLC controller and a power supply, the power supply and the temperature sensor are respectively connected with the PLC controller through electric wires, the PLC controller is connected with the heating plate through electric wires, the control box is provided with a switch group, the power supply is connected with the switch group through electric wires, and the switch group is respectively connected with the motor and the centrifugal pump through electric wires.
Preferably, the flash distillation chamber with reaction zone top butt fusion has the air duct, the welding of air duct one end has one-way air valve, install the refrigeration box on the air duct other end, install the refrigeration board in the refrigeration box, the refrigeration board pass through the electric wire with the switch group is connected, install the control valve on the air duct.
Preferably, an inner cavity is arranged in the one-way air valve, an air inlet and an air exhaust groove are respectively formed in two sides of the inner wall of the inner cavity, a blocking piece is welded on the inner wall of the inner cavity through a spring, and one side of the blocking piece is tightly attached to the inner side of the air inlet.
Preferably, the flash evaporation zone is internally clamped with a pressure increasing plate, the bottom of the flash evaporation zone is provided with an oil cylinder through a bolt, one end of the oil cylinder is welded at the bottom of the pressure increasing plate, and the oil cylinder is connected with the switch group through an electric wire.
Preferably, the butt fusion of reaction zone top has the inlet pipe, flash distillation district one side butt fusion has row material pipe, the low temperature stirring chamber with the equal butt fusion of intensification reaction chamber bottom has communicating pipe, the inlet pipe arrange the material pipe with all install the solenoid valve on communicating pipe, the solenoid valve pass through the electric wire with the switch block connects.
Preferably, the high-temperature vacuum chamber and the outer side of the flash evaporation chamber are respectively provided with a vacuum pump through bolts, and the vacuum pumps are connected with the switch group through electric wires.
The utility model discloses a technological effect and advantage:
1. when the temperature is lower than the minimum temperature of the set temperature, the temperature sensor can transmit the temperature information to the PLC controller, so that the PLC controller can start the heating plate through control, the heating plate can heat and raise the temperature, and the temperature in the temperature-raising reaction cavity, the high-temperature vacuum cavity and the flash evaporation cavity can be ensured to be always in a proper range;
2. when the antioxidant enters the flash evaporation cavity, flash evaporation can occur, excessive 3, 5-methyl ester can be evaporated, the oil cylinder is started, the oil cylinder can push the pressure increasing plate to extrude the 3, 5-methyl ester, 3, 5-methyl ester steam can extrude a spring in the one-way valve head, and the 3, 5-methyl ester steam can be liquefied quickly and flows into the reaction zone when passing through the refrigeration box, so that the residual material can be recycled and the reaction is not interrupted, and the antioxidant with high purity can be obtained.
Drawings
Fig. 1 is a cross-sectional view of the structure of the present invention.
Fig. 2 is a perspective view of the structure of the present invention.
Fig. 3 is a cross-sectional view of the one-way air valve of the structure of the present invention.
Fig. 4 is an electrical connection diagram of the structure of the present invention.
In the figure: 1. a reaction zone; 2. a flash zone; 3. a control box; 4. a base plate; 5. a low temperature stirring chamber; 6. a temperature-rising reaction cavity; 7. a high temperature vacuum chamber; 8. a motor; 9. a stirring frame; 10. a flash chamber; 11. a centrifugal pump; 12. heating plates; 13. a temperature sensor; 14. a PLC controller; 15. a power source; 16. an air duct; 17. a one-way air valve; 18. a refrigeration cassette; 19. a refrigeration plate; 20. a control valve; 21. an air inlet; 22. an exhaust groove; 23. a spring; 24. a baffle plate; 25. a pressure increasing plate; 26. an oil cylinder; 27. a feed pipe; 28. a discharge pipe; 29. a communicating pipe; 30. an electromagnetic valve; 31. a vacuum pump; 32. and a switch group.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a continuous ester exchange reaction apparatus for producing of hindered phenol class anti-oxidant as shown in fig. 1-4, including reaction zone 1, flash distillation district 2, control box 3 and bottom plate 4, reaction zone 1, flash distillation district 2 and control box 3 all set up on bottom plate 4, from top to bottom have set gradually low temperature stirring chamber 5 in reaction zone 1, intensification reaction chamber 6 and high temperature vacuum chamber 7, motor 8 is installed through the bolt at reaction zone 1 top, low temperature stirring chamber 5, all be provided with in intensification reaction chamber 6 and the high temperature vacuum chamber 7 and stir frame 9, stir frame 9 and install on the output shaft of motor 8, be provided with flash distillation chamber 10 in the flash distillation district 2, the welding has the mount between reaction zone 1 and flash distillation district 2, centrifugal pump 11 is installed through the bolt to the mount bottom, centrifugal pump 11 is connected with high temperature vacuum chamber 7 and flash distillation chamber 10 respectively through the pipe, intensification reaction chamber 6, Heating plates 12 and temperature sensors 13 are respectively installed on the outer sides of the high-temperature vacuum cavity 7 and the flash evaporation cavity 10, a PLC (programmable logic controller) 14 and a power supply 15 are arranged on the control box 3, the power supply 15 and the temperature sensors 13 are respectively connected with the PLC 14 through electric wires, the PLC 14 is connected with the heating plates 12 through electric wires, a switch group 32 is arranged on the control box 3, the power supply 15 is connected with the switch group 32 through electric wires, the switch group 32 is respectively connected with the motor 8 and the centrifugal pump 11 through electric wires, a feeding pipe 27 is welded on the top of the reaction area 1, a discharging pipe 28 is welded on one side of the flash evaporation area 2, communicating pipes 29 are welded on the bottoms of the low-temperature stirring cavity 5 and the warming reaction cavity 6, electromagnetic valves 30 are respectively installed on the feeding pipe 27, the discharging pipe 28 and the communicating pipes 29, the electromagnetic valves 30 are connected with the switch, the vacuum pump 31 is connected with the switch group 32 through an electric wire, when the temperature is lower than the minimum temperature of the set temperature, the temperature sensor 13 can transmit the temperature information to the PLC controller 14, so that the PLC controller 14 can start the heating plate 12 through control, and the heating plate 12 can heat and raise the temperature, thereby ensuring that the temperature in the temperature-raising reaction chamber 6, the high-temperature vacuum chamber 7 and the flash evaporation chamber 10 is always in a proper range.
Referring to fig. 1 to 3, a gas guide tube 16 is welded at the top of a flash evaporation cavity 10 and a reaction zone 1, a one-way air valve 17 is welded at one end of the gas guide tube 16, a refrigeration box 18 is installed at the other end of the gas guide tube 16, a refrigeration plate 19 is installed in the refrigeration box 18, the refrigeration plate 19 is connected with a switch group 32 through an electric wire, a control valve 20 is installed on the gas guide tube 16, an inner cavity is arranged in the one-way air valve 17, an air inlet 21 and an exhaust groove 22 are respectively arranged at two sides of the inner wall of the inner cavity, a baffle 24 is welded on the inner wall of the inner cavity through a spring 23, one side of the baffle 24 is tightly attached to the inner side of the air inlet 21, a pressure increasing plate 25 is clamped in the flash evaporation zone 2, an oil cylinder 26 is installed at the bottom of the flash evaporation zone 2 through a bolt, one end of the, starting the oil cylinder 26, the oil cylinder 26 can push the pressure increasing plate 25 to extrude 3, 5-methyl ester upwards, the control valve 20 on the air guide pipe 16 is opened, the 3, 5-methyl ester steam can extrude the spring 23 in the one-way valve head, and therefore the methyl ester steam can penetrate through the air inlet 21 and the exhaust groove 22 to enter the air guide pipe 16, and when the refrigeration plate 19, 3, 5-methyl ester steam passes through the refrigeration box 18, the methyl ester steam can be liquefied quickly and flows into the reaction zone 1, so that the residue recovery can be realized and the reaction can be carried out continuously.
This practical theory of operation: the utility model selects the PLC 14 of PLCS7-200 model, the temperature sensor 13 of KGW-1 GWD50 model, the temperature range of the temperature rise reaction chamber 6, the high temperature vacuum chamber 7 and the flash evaporation chamber 10 is 130 ℃ -180 ℃, 160 ℃ -190 ℃ and 160 ℃ -180 ℃, when the temperature is less than the minimum temperature of the set temperature, the temperature sensor 13 can transmit the temperature information to the PLC 14, therefore, the PLC 14 can start the heating plate 12 by controlling, therefore, the heating plate 12 can heat and raise the temperature, thereby ensuring that the temperature in the temperature rise reaction chamber 6, the high temperature vacuum chamber 7 and the flash evaporation chamber 10 is always in the proper range, firstly, the electromagnetic valve 30 on the feeding pipe 27 is opened by the switch group 32, the raw materials such as plastics, rubber, adhesives and oils are thrown in through the feeding pipe 27, the motor 8 is started, the motor 8 can drive the stirring frame 9 to rotate, so that the raw materials can be uniformly mixed, then the electromagnetic valve 30 at the bottom of the low-temperature stirring cavity 5 is opened, so that the raw materials can flow into the warming reaction cavity 6, the heating plate 12 is started, so that the raw materials can be ensured to fully react in the warming reaction cavity 6, then the vacuum pump 31 is started to adjust the vacuum degree in the high-temperature vacuum cavity 7 to-0.1 MPa, then the electromagnetic valve 30 at the bottom of the high-temperature vacuum cavity 7 is opened, so that the raw materials can flow into the high-temperature vacuum cavity 7, after the raw materials react to generate the antioxidant, the vacuum pump 31 is started to adjust the vacuum degree in the flash cavity 10 to 0-3mmHg, the centrifugal pump 11 is started, so that the centrifugal pump 11 can pump the antioxidant into the flash cavity 10, and the antioxidant can be flashed due to sudden pressure reduction, so that the excessive 3, 5-methyl ester can be steamed, the oil cylinder 26 is, 5-methyl ester, open control valve 20 on the air duct 16, 3, 5-methyl ester steam can extrude spring 23 in the check valve head, consequently can pass air inlet 21 and exhaust duct 22 and get into in the air duct 16, start refrigeration board 19, 3, 5-methyl ester steam can be liquefied fast and flow into reaction zone 1 when in the refrigeration box 18 to can realize the incomplete material recovery and not react discontinuously, pure antioxidant can discharge through arranging material pipe 28.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (6)
1. The utility model provides a continuous transesterification apparatus for producing of hindered phenol class antioxidant, includes reaction zone (1), flash distillation district (2), control box (3) and bottom plate (4), its characterized in that: the reaction zone (1), the flash evaporation zone (2) and the control box (3) are all arranged on the bottom plate (4), a low-temperature stirring cavity (5), a heating reaction cavity (6) and a high-temperature vacuum cavity (7) are sequentially arranged in the reaction zone (1) from top to bottom, a motor (8) is installed at the top of the reaction zone (1) through bolts, a stirring frame (9) is arranged in the low-temperature stirring cavity (5), the heating reaction cavity (6) and the high-temperature vacuum cavity (7), the stirring frame (9) is installed on an output shaft of the motor (8), a flash evaporation cavity (10) is arranged in the flash evaporation zone (2), a fixing frame is welded between the reaction zone (1) and the flash evaporation zone (2), a centrifugal pump (11) is installed at the bottom of the fixing frame through bolts, and the centrifugal pump (11) is respectively connected with the high-temperature stirring cavity (7) and the flash evaporation cavity (10) through a guide pipe, heating plate (12) and temperature sensor (13) are all installed in intensification reaction chamber (6) high temperature vacuum chamber (7) with flash chamber (10) outside, be provided with PLC controller (14) and power (15) on control box (3), power (15) with temperature sensor (13) respectively through the electric wire with PLC controller (14) are connected, PLC controller (14) pass through the electric wire with heating plate (12) are connected, be provided with switch group (32) on control box (3), power (15) pass through the electric wire with switch group (32) are connected, switch group (32) pass through the electric wire respectively with motor (8) with centrifugal pump (11) are connected.
2. The continuous transesterification production apparatus for a hindered phenol antioxidant of claim 1, wherein: flash distillation chamber (10) with reaction zone (1) top butt fusion has air duct (16), air duct (16) one end welding has one-way air valve (17), install refrigeration box (18) on air duct (16) the other end, install refrigeration board (19) in refrigeration box (18), refrigeration board (19) pass through the electric wire with switch group (32) are connected, install control valve (20) on air duct (16).
3. The continuous transesterification production apparatus for a hindered phenol antioxidant of claim 2, wherein: an inner cavity is arranged in the one-way air valve (17), an air inlet (21) and an air exhaust groove (22) are respectively arranged on two sides of the inner wall of the inner cavity, a blocking piece (24) is welded on the inner wall of the inner cavity through a spring (23), and one side of the blocking piece (24) is tightly attached to the inner side of the air inlet (21).
4. The continuous transesterification production apparatus for a hindered phenol antioxidant of claim 1, wherein: flash zone (2) inside callipers are equipped with pressure boost plate (25), hydro-cylinder (26) are installed through the bolt to flash zone (2) bottom, hydro-cylinder (26) one end welding is in pressure boost plate (25) bottom, hydro-cylinder (26) pass through the electric wire with switch group (32) are connected.
5. The continuous transesterification production apparatus for a hindered phenol antioxidant of claim 1, wherein: reaction zone (1) top butt fusion has inlet pipe (27), flash zone (2) one side butt fusion has row material pipe (28), low temperature stirring chamber (5) with it has communicating pipe (29) all to weld in intensification reaction chamber (6) bottom, inlet pipe (27) arrange material pipe (28) with all install solenoid valve (30) on communicating pipe (29), solenoid valve (30) pass through the electric wire with switch group (32) are connected.
6. The continuous transesterification production apparatus for a hindered phenol antioxidant of claim 1, wherein: the high-temperature vacuum cavity (7) and the outer side of the flash evaporation cavity (10) are respectively provided with a vacuum pump (31) through bolts, and the vacuum pump (31) is connected with the switch group (32) through an electric wire.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921754603.5U CN210906116U (en) | 2019-10-18 | 2019-10-18 | Hindered phenol antioxidant continuous ester exchange reaction production device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921754603.5U CN210906116U (en) | 2019-10-18 | 2019-10-18 | Hindered phenol antioxidant continuous ester exchange reaction production device |
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| CN210906116U true CN210906116U (en) | 2020-07-03 |
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| CN201921754603.5U Active CN210906116U (en) | 2019-10-18 | 2019-10-18 | Hindered phenol antioxidant continuous ester exchange reaction production device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113230996A (en) * | 2021-04-01 | 2021-08-10 | 华能重庆珞璜发电有限责任公司 | Desulfurization wastewater treatment resin regeneration post-acidification recovery treatment device and method thereof |
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2019
- 2019-10-18 CN CN201921754603.5U patent/CN210906116U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113230996A (en) * | 2021-04-01 | 2021-08-10 | 华能重庆珞璜发电有限责任公司 | Desulfurization wastewater treatment resin regeneration post-acidification recovery treatment device and method thereof |
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