CN213726515U

CN213726515U - High-efficient fluoro reaction unit of tetrafluoroterephthalonitrile

Info

Publication number: CN213726515U
Application number: CN202022632316.6U
Authority: CN
Inventors: 李秀珍; 杨郭明; 陈侠; 姜辉; 李绍辉; 李小慧
Original assignee: Fujian Huarun Chemical Co ltd
Current assignee: Fujian Huarun Chemical Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-07-20
Anticipated expiration: 2030-11-13

Abstract

The utility model belongs to the technical field of the chemical industry equipment technique and specifically relates to a high-efficient fluoro reaction unit of tetrafluoro terephthalonitrile, including reation kettle and condenser, the fixed rack that is provided with on the inside bottom plate of reation kettle, the fixed electric heater that is provided with in rack top is provided with ceramic inner bag on the rack, and the fixed rotation spliced pole that is provided with in reation kettle top rotates the fixed agitator motor that is provided with in spliced pole right side, the inside agitator that is provided with of ceramic inner bag. The utility model discloses in, through setting up the flow control valve of three group connection ceramic inner bags, can realize effectively carrying out the accuse to the material and the reagent quality that get into ceramic inner bag, realize that the ration adds, improve tetrafluoro terephthalonitrile's reaction mass, the electric heater of setting is under the control of converter, cooperation temperature sensor's use can make the inside constant temperature space that forms of ceramic inner bag, and the condenser of setting can further promote tetrafluoro terephthalonitrile's quality, suitable using widely.

Description

High-efficient fluoro reaction unit of tetrafluoroterephthalonitrile

Technical Field

The utility model relates to the technical field of chemical equipment, in particular to a tetrafluoro terephthalonitrile high-efficiency fluorination reaction device.

Background

Reaction equipment is needed to be used in the production of tetrafluoroterephthalonitrile, constant temperature control cannot be realized in the existing reaction equipment, meanwhile, accurate reagent dosage cannot be provided for the reaction requirement of tetrafluoroterephthalonitrile, the quality of tetrafluoroterephthalonitrile is influenced, and therefore, the efficient fluorination reaction device for tetrafluoroterephthalonitrile is provided for the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient fluoro reaction unit of tetrafluoro terephthalonitrile, flow control valve through setting up three group's connection ceramic inner bags, can realize effectively controlling the material and the reagent quality that get into ceramic inner bag, realize the ration and add, improve tetrafluoro terephthalonitrile's reaction mass, the electric heater of setting is under the control of converter, cooperation temperature sensor's use, can make the inside constant temperature space that forms of ceramic inner bag, the condenser of setting can further promote tetrafluoro terephthalonitrile's quality, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a tetrafluoro terephthalonitrile high-efficiency fluorination reaction device comprises a reaction kettle and a condenser, wherein a placing rack is fixedly arranged on a bottom plate inside the reaction kettle, an electric heater is fixedly arranged at the top of the placing rack, a ceramic inner container is arranged on the placing rack, a rotating connecting column is fixedly arranged at the top of the reaction kettle, a stirring motor is fixedly arranged on the right side of the rotating connecting column, a stirrer is arranged inside the ceramic inner container, a rotating shaft of the stirrer extends out of the rotating connecting column and is rotatably connected with the rotating connecting column through a bearing, the top of the rotating connecting column is connected with a kinetic energy output shaft of the stirring motor through a belt, no less than three groups of feeding pipes extending out of the reaction kettle are arranged at the top of the ceramic inner container, flow control valves are arranged on the feeding pipes, an air guide pipeline connected with an air inlet of the condenser is arranged at the top of the ceramic inner container, a return pipe connected with a return pipe opening of the condenser is arranged at the top of the ceramic inner container, the fixed control box that is provided with on reation kettle left side panel, turn right from a left side on the inside bottom plate of control box and fixedly set up converter and relay group in proper order, the fixed PLC controller that is provided with on the inside left side inner wall of control box.

As a preferred scheme, the relay group includes five relays, the flow control valve that sets up on the filling tube corresponds the relay through circuit connection respectively, the relay that the converter corresponds through line connection, agitator motor passes through the relay that circuit connection corresponds, five relays of relay group are respectively through line connection PLC controller.

Preferably, the electric heater is connected with a frequency converter through a circuit, and a control circuit of the frequency converter is connected with a PLC (programmable logic controller).

As a preferred scheme, a discharge hole extending out of the reaction kettle is formed in the right side of the bottom of the ceramic liner.

As a preferred scheme, a temperature sensor is fixedly arranged on the inner wall of the ceramic inner container and is connected with a PLC (programmable logic controller) through a circuit.

As a preferable scheme, the flow sensing modules of the flow control valve are respectively connected with the PLC controller through lines.

Compared with the prior art, the beneficial effects of the utility model are that: through setting up the flow control valve of three group connection ceramic inner bags, can realize effectively controlling the material and the reagent quality that get into ceramic inner bag, realize the ration and add, improve tetrafluoro terephthalonitrile's reaction quality, the electric heater of setting is under the control of converter, and cooperation temperature sensor's use can make the inside constant temperature space that forms of ceramic inner bag, and the condenser of setting can further promote tetrafluoro terephthalonitrile's quality, suitable using widely.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a tetrafluoroterephthalonitrile high-efficiency fluorination reaction device of the present invention.

In the figure: 1. a reaction kettle; 2. a condenser; 3. rotating the connecting column; 4. a stirring motor; 5. a ceramic inner container; 6. placing a rack; 7. an electric heater; 8. a stirrer; 9. a discharge port; 10. a control box; 11. a PLC controller; 12. a frequency converter; 13. a relay group; 14. a feed tube; 15. a flow control valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the present invention.

Example (b):

referring to fig. 1, the present embodiment provides a technical solution:

a tetrafluoroterephthalonitrile high-efficiency fluorination reaction device comprises a reaction kettle 1 and a condenser 2, a placing rack 6 is fixedly arranged on a bottom plate inside the reaction kettle 1, an electric heater 7 is fixedly arranged at the top of the placing rack 6, a ceramic liner 5 is arranged on the placing rack 6, a rotating connecting column 3 is fixedly arranged at the top of the reaction kettle 1, a stirring motor 4 is fixedly arranged at the right side of the rotating connecting column 3, a stirrer 8 is arranged inside the ceramic liner 5, a rotating shaft of the stirrer 8 extends out of the rotating connecting column 3 and is rotatably connected with the rotating connecting column 3 through a bearing, the top of the rotating connecting column 3 is connected with a kinetic energy output shaft of the stirring motor 4 through a belt, at least three groups of feed pipes 14 extending out of the reaction kettle 1 are arranged at the top of the ceramic liner 5, a flow control valve 15 is arranged on each feed pipe 14, and an air guide pipeline connected with an air inlet of the condenser 2 is arranged at the top of the ceramic liner 5, 5 tops of pottery inner bag 5 are provided with the back flow of connecting the 2 return pipe mouths of condenser, and fixed being provided with control box 10 on the panel of reation kettle 1 left side, turn right from a left side on the inside bottom plate of control box 10 and fixedly set up converter 12 and relay group 13 in proper order, fixedly on the inside left side inner wall of control box 10 being provided with PLC controller 11.

Wherein, relay group 13 includes five relays, and the flow control valve 15 that sets up on the filling tube 14 is respectively through the relay that circuit connection corresponds, and converter 12 is through the relay that circuit connection corresponds, and agitator motor 4 is through the relay that circuit connection corresponds, and five relays of relay group 13 are respectively through circuit connection PLC controller 11.

The electric heater 7 is connected with a frequency converter 12 through a circuit, and a control circuit of the frequency converter 12 is connected with a PLC 11.

Wherein, the right side of the bottom of the ceramic inner container 5 is provided with a discharge hole 9 extending out of the reaction kettle 1.

Wherein, the inner wall of the ceramic inner container 5 is fixedly provided with a temperature sensor which is connected with the PLC 11 through a line.

Wherein, the flow sensing module of the flow control valve 15 is respectively connected with the PLC controller 11 through a line.

The working principle is as follows: through setting up the flow control valve of three group connection ceramic inner bags, can realize effectively controlling the material and the reagent quality that get into ceramic inner bag, realize the ration and add, improve tetrafluoro terephthalonitrile's reaction quality, the electric heater of setting is under the control of converter, and cooperation temperature sensor's use can make the inside constant temperature space that forms of ceramic inner bag, and the condenser of setting can further promote tetrafluoro terephthalonitrile's quality, suitable using widely.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-efficient fluoro reaction unit of tetrafluoroterephthalonitrile, includes reation kettle (1) and condenser (2), its characterized in that: a placing rack (6) is fixedly arranged on a bottom plate inside the reaction kettle (1), an electric heater (7) is fixedly arranged at the top of the placing rack (6), a ceramic inner container (5) is arranged on the placing rack (6), a rotating connecting column (3) is fixedly arranged at the top of the reaction kettle (1), a stirring motor (4) is fixedly arranged at the right side of the rotating connecting column (3), a stirrer (8) is arranged inside the ceramic inner container (5), a rotating shaft of the stirrer (8) extends out of the rotating connecting column (3) and is rotatably connected with the rotating connecting column (3) through a bearing, the top of the rotating connecting column (3) is connected with a kinetic energy output shaft of the stirring motor (4) through a belt, at least three groups of feeding pipes (14) extending out of the reaction kettle (1) are arranged at the top of the ceramic inner container (5), and a flow control valve (15) is arranged on each feeding pipe (14), ceramic inner bag (5) top is provided with the air guide duct of connecting condenser (2) air inlet, ceramic inner bag (5) top is provided with the back flow of connecting condenser (2) backward flow mouth, fixed control box (10) that is provided with on reation kettle (1) left side panel, turn right from a left side on the inside bottom plate of control box (10) and fix in proper order and be provided with converter (12) and relay group (13), fixed PLC controller (11) that is provided with on the inside left side inner wall of control box (10).

2. The tetrafluoroterephthalonitrile high efficiency fluorination reaction apparatus according to claim 1, characterized in that: relay group (13) are including five relays of group, flow control valve (15) that set up on filling tube (14) are respectively through the relay that circuit connection corresponds, converter (12) are through the relay that circuit connection corresponds, agitator motor (4) are through the relay that circuit connection corresponds, five relays of group of relay group (13) are respectively through line connection PLC controller (11).

3. The tetrafluoroterephthalonitrile high efficiency fluorination reaction apparatus according to claim 1, characterized in that: the electric heater (7) is connected with a frequency converter (12) through a circuit, and a control circuit of the frequency converter (12) is connected with a PLC (programmable logic controller) controller (11).

4. The tetrafluoroterephthalonitrile high efficiency fluorination reaction apparatus according to claim 1, characterized in that: a discharge hole (9) extending out of the reaction kettle (1) is formed in the right side of the bottom of the ceramic inner container (5).

5. The tetrafluoroterephthalonitrile high efficiency fluorination reaction apparatus according to claim 1, characterized in that: the inner wall of the ceramic inner container (5) is fixedly provided with a temperature sensor, and the temperature sensor is connected with a PLC (programmable logic controller) controller (11) through a line.

6. The tetrafluoroterephthalonitrile high efficiency fluorination reaction apparatus according to claim 1, characterized in that: and the flow sensing modules of the flow control valves (15) are respectively connected with the PLC (11) through lines.