Reaction kettle device for solid-liquid catalytic reaction

Abstract

The utility model discloses a reaction kettle device for solid-liquid catalytic reaction, which comprises a kettle body, a reinforcing rib is fixedly arranged on the side wall of the kettle body, a plurality of supporting legs are arranged on the kettle body and the reinforcing rib together, a feeding pipe communicated with the inside of the kettle body is arranged on the side wall of the kettle body, and the feeding pipe is communicated with the inside of the kettle body. A discharging pipe communicated with the inside of the kettle body is arranged at the bottom of the kettle body, and a sealing cover is mounted at the top of the kettle body. Through the motor and the belt wheel, in the reaction process, the output shaft of the motor finally drives the reciprocating lead screw to rotate, and under the fixation of the limiting rod, the lead screw nut drives the pressing plate to move up and down, so that a solid catalyst deposited at the bottom is continuously extruded, larger catalyst particles are crushed, and the catalyst particles are uniformly dispersed. Meanwhile, a plurality of through grooves formed in the pressing plate are mixed into reactant liquid, so that the specific surface area of the solid catalyst is increased, full contact with reactants is ensured, and the reaction rate is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of reactors, in particular to a reactor device for solid-liquid catalytic reaction. Background Art

[0002] Reactors are generally used to achieve heating, evaporation, cooling and low-speed mixing functions, and are widely used in the fields of petroleum, chemical industry, etc. When a catalytic reaction is carried out inside the reactor, in order to ensure the uniformity of the reaction, a stirring device is usually provided to allow the reactants and catalyst to fully contact and react. However, in actual use, the solid catalyst and reactants will be deposited at the bottom of the reactor and agglomerate, and the larger solid catalyst particles cannot be lifted up by the flowing liquid, so they only react violently with the reactants at the bottom of the reactor body. It takes a long time to wait for the solid reactants to dissolve, resulting in low reaction efficiency. In view of this, the present application proposes a reactor device for solid-liquid catalytic reactions. Summary of the invention

[0003] The utility model aims to provide a reactor device for solid-liquid catalytic reaction to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a reactor device for solid-liquid catalytic reaction, comprising a reactor body, a side wall of the reactor body is fixedly provided with reinforcing ribs, a plurality of supporting legs are jointly installed on the reactor body and the reinforcing ribs, a feeding pipe connected with the interior of the reactor body is provided on the side wall of the reactor body, a discharging pipe connected with the interior of the reactor body is provided at the bottom of the reactor body, a sealing cover is installed on the top of the reactor body, a driving box is fixedly installed on the side wall of the reactor body, a motor is fixedly installed inside the driving box, an output shaft of the motor is connected with a connecting shaft through a set of pulleys, the connecting shaft is sealingly penetrated and connected with the bottom of the reactor body, one end of the connecting shaft extending into the reactor body is connected with a pressing plate through an adjusting device, the upper end of the adjusting device is connected with a transmission rod, a plurality of stirring rods are circumferentially arranged on the transmission rod, and nozzles are respectively installed at the lower ends of the plurality of stirring rods.

[0005] As a further preferred embodiment of the present technical solution, the pulley includes a driving wheel, a belt and a driven wheel, and the diameter of the driving wheel is smaller than the diameter of the driven wheel, the driving wheel is sleeved on the output shaft of the motor, the driven wheel is keyed to the connecting shaft, and the belt transmission connects the driving wheel and the driven wheel.

[0006] As a further preferred embodiment of the present technical solution, the adjusting device comprises a reciprocating screw, a screw nut is threadedly connected to the reciprocating screw, the screw nut is fixedly connected to a pressure plate, and a limit rod is slidably penetrated on the pressure plate.

[0007] As a further preferred embodiment of the present technical solution, the lower end of the reciprocating screw is fixedly connected to the connecting shaft, the upper end of the reciprocating screw is fixedly connected to the transmission rod, the bottom of the limit rod is fixedly connected to the bottom inner wall of the kettle body, the pressure plate adopts an arc-shaped design, and a plurality of through grooves of the same size are provided on the pressure plate.

[0008] As a further preferred embodiment of the present technical solution, chambers are provided inside the transmission rod and the stirring rod, and the multiple chambers are interconnected.

[0009] As a further preferred embodiment of the present technical solution, a liquid infusion tube is provided through the sealing cover, and the lower end of the liquid infusion tube extends into the kettle body and is communicated with the chamber inside the transmission rod.

[0010] As a further preferred embodiment of the present technical solution, a sleeve is provided through the sealing cover, and the sleeve is sleeved at the connection between the infusion tube and the transmission rod, and a sealed bearing is installed in the sleeve.

[0011] The utility model provides a reactor device for solid-liquid catalytic reaction, which has the following beneficial effects:

[0012] (1) The utility model provides a motor and a pulley. During the reaction process, the output shaft of the motor will eventually drive the reciprocating screw to rotate. Under the fixation of the limit rod, the screw nut will move the pressure plate up and down, thereby continuously squeezing the solid catalyst deposited at the bottom, crushing larger catalyst particles, and mixing them into the reactant liquid through multiple through grooves opened on the pressure plate, thereby increasing the specific surface area of ​​the solid catalyst, ensuring full contact with the reactants, and improving the reaction rate.

[0013] (2) The utility model drives the transmission rod above to rotate synchronously through the rotation of the reciprocating screw. During the reaction process, the multiple stirring rods on the transmission rod will stir the liquid flow, thereby accelerating the mixing of the catalyst and the reactants. When different liquid reactants are added to the kettle body through the infusion tube, they can eventually be sprayed into the kettle body from the nozzle, and the rotation of the stirring rod improves the spraying effect, ensuring that the catalyst and the reactants are in full contact. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the lower cross-sectional structure of the utility model;

[0016] Figure 3 It is a side sectional structural schematic diagram of the utility model;

[0017] Figure 4 for Figure 3A schematic diagram of the enlarged structure at point A in the middle.

[0018] In the figure: 1. kettle body; 2. reinforcing ribs; 3. supporting legs; 4. feed pipe; 5. discharge pipe; 6. sealing cover; 7. infusion tube; 8. drive box; 9. belt; 10. connecting shaft; 11. reciprocating screw; 12. screw nut; 13. pressure plate; 14. limit rod; 15. transmission rod; 16. stirring rod; 17. nozzle; 18. casing. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] The utility model provides a technical solution: Figure 1 and Figure 4 As shown, in the present embodiment, a reactor device for solid-liquid catalytic reaction comprises a reactor body 1, a reinforcing rib 2 is fixedly arranged on the side wall of the reactor body 1, a plurality of supporting legs 3 are installed on the reactor body 1 and the reinforcing rib 2, a feeding pipe 4 connected with the interior thereof is provided on the side wall of the reactor body 1, a discharging pipe 5 connected with the interior thereof is provided at the bottom of the reactor body 1, a sealing cover 6 is installed on the top of the reactor body 1, a driving box 8 is fixedly installed on the side wall of the reactor body 1, a motor is fixedly installed inside the driving box 8, an output shaft of the motor is connected with a connecting shaft 10 through a set of pulleys, the connecting shaft 10 is sealingly penetrated and connected with the bottom of the reactor body 1, one end of the connecting shaft 10 extending into the reactor body 1 is connected with a pressing plate 13 through an adjusting device, a transmission rod 15 is connected to the upper end of the adjusting device, a plurality of stirring rods 16 are circumferentially arranged on the transmission rod 15, and nozzles 17 are respectively installed at the lower ends of the plurality of stirring rods 16.

[0021] Among them, the pulley includes a driving wheel, a belt 9 and a driven wheel, and the diameter of the driving wheel is smaller than the diameter of the driven wheel. The driving wheel is sleeved on the output shaft of the motor, the driven wheel is key-connected to the connecting shaft 10, and the belt 9 drives the driving wheel and the driven wheel.

[0022] Through the transmission connection of the belt 9, after the motor is started, the output shaft of the motor will eventually drive the connecting shaft 10 to rotate. By setting the transmission ratio between the driving wheel and the driven wheel, the output power of the driven wheel is increased to avoid excessive accumulation of catalysts and reactants in the kettle body 1 affecting the rotation of the stirring rod 16.

[0023] The adjusting device comprises a reciprocating screw 11 , on which a screw nut 12 is threadedly connected, the screw nut 12 is fixedly connected to a pressure plate 13 , and a limit rod 14 is slidably penetrated on the pressure plate 13 .

[0024] The limiting rod 14 is fixed to prevent the pressure plate 13 and the lead screw nut 12 from rotating, so that when the reciprocating screw 11 rotates, the lead screw nut 12 sleeved on the reciprocating screw 11 will move along the direction in which the reciprocating screw 11 is set.

[0025] Among them, the lower end of the reciprocating screw 11 is fixedly connected to the connecting shaft 10, the upper end of the reciprocating screw 11 is fixedly connected to the transmission rod 15, the bottom of the limit rod 14 is fixedly connected to the bottom inner wall of the kettle body 1, the pressure plate 13 adopts an arc design, and a plurality of through grooves of the same size are opened on the pressure plate 13.

[0026] The solid catalyst accumulated at the bottom of the kettle body 1 can be crushed by the movement of the pressing plate 13, thereby accelerating the mixing with the reactants and improving the reaction rate.

[0027] The transmission rod 15 and the stirring rod 16 are both provided with chambers inside, and the chambers are interconnected.

[0028] The liquid in the liquid delivery tube 7 is transported to the kettle body 1 through the communicating chambers.

[0029] The sealing cover 6 is penetrated by a liquid infusion tube 7 , the lower end of which extends into the kettle body 1 and communicates with the chamber inside the transmission rod 15 .

[0030] The nozzle 17 is connected to the opened chamber, so that when the infusion tube 7 delivers the liquid, the nozzle 17 can spray the liquid reactant from different angles and positions along with the rotation of the stirring rod 16.

[0031] A sleeve 18 is provided through the sealing cover 6 , and the sleeve 18 is sleeved at the connection between the infusion tube 7 and the transmission rod 15 , and a sealed bearing is installed in the sleeve 18 .

[0032] By means of the sleeve 18 and the sealed bearing inside the sleeve 18 , when the transmission rod 15 rotates, it can be ensured that the upper end of the transmission rod 15 is stably connected to the infusion tube 7 .

[0033] The utility model provides a reactor device for solid-liquid catalytic reaction, and the specific working principle is as follows: the required solid catalyst is added into the reactor body 1 through the feed pipe 4, and the infusion pipe 7 is connected with the external pipeline for conveying liquid reactants, and the conveyed liquid reactants are finally sprayed into the reactor body 1 from the nozzle 17 through the chambers opened inside the transmission rod 15 and the stirring rod 16, and contact with the catalyst from multiple angles, and the motor inside the driving box 8 is started to run, and the output shaft of the motor drives the driving wheel to rotate synchronously, and under the transmission connection of the belt 9, the driven wheel drives the reciprocating screw 11 to rotate through the connecting shaft 10, and under the fixation of the limit rod 14, the screw nut 12 sleeved on the reciprocating screw 11 moves along the direction set by the reciprocating screw 11, and finally the pressing plate 13 reciprocates up and down, so as to squeeze the large particles of solid accumulated at the bottom, so that they are quickly dispersed, and mixed into the flowing liquid reactants through the multiple through grooves opened on the pressing plate 13, so as to ensure that the catalyst is in contact with the reactants, and improve the reaction rate.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reactor device for solid-liquid catalytic reaction, comprising a reactor body (1), characterized in that: A reinforcing rib (2) is fixedly arranged on the side wall of the kettle body (1), and a plurality of supporting legs (3) are installed on the kettle body (1) and the reinforcing rib (2). A feeding pipe (4) communicating with the interior of the kettle body (1) is arranged on the side wall of the kettle body (1), and a discharging pipe (5) communicating with the interior of the kettle body (1) is arranged at the bottom of the kettle body (1). A sealing cover (6) is installed on the top of the kettle body (1). A driving box (8) is fixedly installed on the side wall of the kettle body (1), and a motor is fixedly installed inside the driving box (8). The output shaft of the motor is connected to a connecting shaft (10) via a set of pulleys, and the connecting shaft (10) is sealed and penetrated with the bottom of the kettle body (1). One end of the connecting shaft (10) extending into the kettle body (1) is connected to a pressing plate (13) via an adjusting device, and the upper end of the adjusting device is connected to a transmission rod (15). A plurality of stirring rods (16) are circumferentially arranged on the transmission rod (15), and nozzles (17) are respectively installed at the lower ends of the plurality of stirring rods (16).

2. A reactor device for solid-liquid catalytic reaction according to claim 1, characterized in that: The pulley comprises a driving wheel, a belt (9) and a driven wheel, wherein the diameter of the driving wheel is smaller than the diameter of the driven wheel, the driving wheel is sleeved on the output shaft of the motor, the driven wheel is key-connected to the connecting shaft (10), and the belt (9) is transmission-connected between the driving wheel and the driven wheel.

3. The reactor device for solid-liquid catalytic reaction according to claim 1, characterized in that: The adjusting device comprises a reciprocating screw (11), a screw nut (12) being threadedly connected to the reciprocating screw (11), the screw nut (12) being fixedly connected to a pressure plate (13), and a limit rod (14) being slidably penetrated through the pressure plate (13).

4. A reactor device for solid-liquid catalytic reaction according to claim 3, characterized in that: The lower end of the reciprocating screw (11) is fixedly connected to the connecting shaft (10), the upper end of the reciprocating screw (11) is fixedly connected to the transmission rod (15), the bottom of the limit rod (14) is fixedly connected to the bottom inner wall of the kettle body (1), the pressing plate (13) is of arc design, and a plurality of through grooves of the same size are provided on the pressing plate (13).

5. The reactor device for solid-liquid catalytic reaction according to claim 1, characterized in that: The transmission rod (15) and the stirring rod (16) are both provided with chambers inside, and the multiple chambers are interconnected.

6. The reactor device for solid-liquid catalytic reaction according to claim 1, characterized in that: The sealing cover (6) is provided with a liquid infusion tube (7) penetrating therethrough, and the lower end of the liquid infusion tube (7) extends into the kettle body (1) and is communicated with the chamber inside the transmission rod (15).

7. A reactor device for solid-liquid catalytic reaction according to claim 6, characterized in that: The sealing cover (6) is provided with a sleeve (18) penetrating therethrough, and the sleeve (18) is sleeved at the connection between the infusion tube (7) and the transmission rod (15), and a sealed bearing is installed in the sleeve (18).

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