CN211754926U - A multi-stage accelerated reaction reaction device - Google Patents

Abstract

The utility model belongs to the chemical industry reaction equipment field, concretely relates to reaction unit of multistage accelerated reaction. The reaction device can replace the traditional tower equipment in chemical industry to carry out gas, solid and liquid three-phase mass transfer, heat transfer, mixing, emulsification and reaction continuous operation equipment such as carbonization, absorption, leaching and the like. Has the characteristics of short reaction time, less material consumption, small occupied area, wide application range, easy process preparation and the like. The specific surface area of reactants is increased and the reaction rate is greatly accelerated by the staggered cutting of the stator disc and the rotor disc; the sequentially sleeved stator disc bodies are connected through bolts, so that the expansion can be flexible; the gas inlets and gas outlets are arranged on the stator discs, so that the concentration of reaction gas can be changed, and the reaction rate can be further changed.

Description

A multi-stage accelerated reaction reaction device

technical field

The utility model belongs to the field of chemical reaction equipment, in particular to a reaction device for multi-stage accelerated reaction.

Background technique

The reactor is a device that realizes the reaction process, and is widely used in chemical, oil refining, metallurgy and other fields. The reactor is used to realize the liquid-phase single-phase reaction process and the liquid-liquid, gas-liquid, liquid-solid, gas-liquid-solid and other multi-phase reaction processes.

Commonly used types of reactors are: ① Tubular reactor: It is composed of empty tubes or filled tubes with relatively large length and diameter, which can be used to realize gas-phase reaction and liquid-phase reaction. ② Tank reactor: It is composed of a cylindrical vessel with a relatively small length and diameter, and is often equipped with a mechanical stirring or airflow stirring device. It can be used for liquid-phase single-phase reaction process and liquid-liquid phase, gas-liquid phase, gas-liquid-solid phase Heterogeneous reaction process. For the gas-liquid phase reaction process, it is called a bubbling stirred tank; for the gas-liquid solid phase reaction process, it is called a stirred tank type slurry reactor. ③ Reactor with solid particle bed: gas or/and liquid pass through fixed or moving solid particle bed to realize multiphase reaction process, including fixed bed reactor, fluidized bed reactor, moving bed reactor, trickle Fluidized bed reactor, etc. ④ Tower reactor: tower equipment used to realize gas-liquid phase or liquid-liquid phase reaction process, including packed tower, plate tower, bubble tower, etc. ⑤ Jet reactor: It is a device that uses the jet to mix to realize the gas-phase or liquid-phase single-phase reaction process and the gas-liquid phase, liquid-liquid phase and other multi-phase reaction processes. ⑥ Various other atypical reactors: such as rotary kiln, aeration tank, etc.

The utility model patent No. ZL200320111078.8 discloses a hollow shell of a nano-calcium carbonate synthesis reactor. There is a stirring shaft in the shell cavity to form a multi-stage rotor. On the inner wall of the casing, there is a slurry inlet at one end of the casing, a mixed gas nozzle at the slurry inlet, and a slurry outlet above the other end of the casing. The motor drives the stirring shaft to rotate at a high speed through the power transmission device, and the rotor and stator assembly is Levels 2-5.

The multi-stage, staggered stator and rotor disc combination of the reactor increases the specific surface area of the reactants, increases the reaction rate, and makes the reaction more sufficient.

Utility model content

In order to solve the above problems, the utility model provides a multi-stage accelerated reaction reaction device. The utility model is realized through the following technical solutions.

A reaction device for multi-stage accelerated reaction, comprising: a reactor and a gas-liquid separator;

The reactor includes: an inlet end cap, an outlet end cap, a stator disc, a rotating shaft, a rotor disc, a solid-liquid inlet, an air inlet, a solid-liquid outlet, and an air outlet;

The inlet end cap and the outlet end cap are both cylindrical; the inlet end cap and the outlet end cap are oppositely arranged to form a cylindrical cavity, and the rotating shaft passes through the inlet end cap and the outlet end cap in turn, and is in common with the central axis of the cylindrical cavity. Wire;

The inlet end cap is provided with a solid-liquid inlet, an air inlet and an air outlet, and the outlet end cap is provided with a solid-liquid outlet;

The gas-liquid separator is communicated with the solid-liquid outlet;

The stator disc includes a cylindrical thin-walled and round-shaped stator disc body. The stator disc body is arranged inside the cylindrical thin wall and is parallel to the bottom surface of the cylindrical thin wall. The side walls of the barrel-shaped thin-wall are fixedly connected, the stator disc body and the center of the barrel-shaped thin-wall are both provided with through holes, and the bottom surface of the barrel-shaped thin-wall is away from the center and there are several equidistant cutting holes along the periphery;

The structure of the rotor disc is a pie-shaped entity;

The number of stator disks and rotor disks is the same, and both are at least 2, and they are alternately arranged between the inlet end cover and the outlet end cover in turn;

The rotating shaft passes through the center of all rotor discs and is fixedly connected with the rotor discs.

Further, a plurality of rows of annular grooves concentric with the disk surface are arranged on the disk surface of the stator disk body, and a plurality of sliders inlaid with the annular grooves are arranged on the disk surface of the rotor disk. It can cut and stir the reactants, make the reactants into small particles and mix, increase the specific surface area of the reactants, and speed up the reaction rate.

Further, the inlet end cap is provided with an end cap disc body parallel to the bottom surface of the inlet end cap, the end cap disc body has the same structure as the stator disc body, and the periphery of the end cap disc body is fixedly connected with the side wall of the inlet end cap; The rotating shaft is provided with a rotor disk opposite to the end cover disk body. For small-scale reactions with little mass, the reactor can complete agitation and cutting even without expanding the stator disk.

Further, the device also includes an air inlet communication pipe, an air outlet communication pipe and an exhaust tank; at least 2 air holes are provided on the side wall of the cylindrical thin wall, the air inlet communication pipe is communicated with at least one air hole, and the air outlet communication pipe is provided. Connect with at least one air hole and connect to the exhaust tank. Each stage of the stator disc is provided with air inlet and air outlet, so that the reaction gas in the reactor is sufficient, the concentration becomes larger, and the reaction rate is accelerated.

Further, several connecting holes are provided on the side walls of the adjacent stator disks and are connected by bolts. The stator plate can be flexibly expanded.

Further, the device also includes a machine base, and the reactor is arranged on the machine base. Increased the stability of the entire set of reaction devices.

The beneficial effects of the utility model are as follows: the reaction device can replace the traditional chemical tower equipment for carbonization, absorption, leaching and other gas, solid, liquid three-phase mass transfer, heat transfer, mixing, emulsification, reaction continuous operation equipment. It has the characteristics of short reaction time, less material, small footprint, wide application range and easy process preparation. Through the staggered cutting of the stator disk and the rotor disk, the specific surface area of the reactant is increased, and the reaction rate is greatly accelerated; the stator disks assembled in sequence are connected by bolts, which can be flexibly expanded; each stator disk is provided with air inlet and outlet, which can be changed The concentration of the reactive gas in turn changes the reaction rate.

Description of drawings

1 is a schematic front view of the device;

2 is a schematic top view of the device;

3 is a schematic side view of the device;

4 is a schematic diagram of a stator disk of the device;

Fig. 5 is the rotor disk schematic diagram of the device;

Figure 6 is a schematic diagram of the outlet end cap of the device.

In the figure: 1 reactor, 2 gas-liquid separator, 3 motor; 1-1 inlet end cap, 1-2 outlet end cap, 1-3 stator disc, 1-4 shaft, 1-5 rotor disc, 1-6 Solid-liquid inlet, 1-7 air inlet, 1-8 solid-liquid outlet, 1-9 air outlet; 1-3-1 cylindrical thin wall, 1-3-2 stator disc body, 1-3-3 Through hole, 1-3-4 cutting hole; 4 end cover plate body, 5 inlet connection pipe, 6 outlet connection pipe, 7 exhaust tank, 8, air hole, 9 connection hole, 10 bolt, 11 machine base.

Detailed ways

As shown in Figure 1 to Figure 6: a multi-stage accelerated reaction reaction device, comprising: a reactor 1, a gas-liquid separator 2, and a motor 3;

Reactor 1 includes: inlet end cap 1-1, outlet end cap 1-2, stator disc 1-3, rotating shaft 1-4, rotor disc 1-5, solid-liquid inlet 1-6, air inlet 1-7, Solid-liquid outlet 1-8, air outlet 1-9;

The inlet end cap 1-1 and the outlet end cap 1-2 are both cylindrical; the inlet end cap 1-1 and the outlet end cap 1-2 are oppositely arranged to form a cylindrical cavity, and the rotating shaft 1-4 passes through the inlet end cap in turn 1-1 and the outlet end cap 1-2, and are collinear with the central axis of the cylindrical cavity;

The inlet end cover 1-1 is provided with a solid-liquid inlet 1-6, an air inlet 1-7, and an air outlet 1-9, and the outlet end cover 1-2 is provided with a solid-liquid outlet 1-8;

The gas-liquid separator 2 is in communication with the solid-liquid outlets 1-8; the motor 3 is fixedly connected with the rotating shafts 1-4;

The stator disk 1-3 includes a cylindrical thin wall 1-3-1 and a round cake-shaped stator disk body 1-3-2, and the stator disk body 1-3-2 is arranged on the cylindrical thin wall 1-3 -1 inside and parallel to the bottom surface of the cylindrical thin wall 1-3-1, the disc periphery of the stator disc body 1-3-2 is fixedly connected with the side wall of the cylindrical thin wall 1-3-1, the stator The center of the disk body 1-3-2 and the barrel-shaped thin wall 1-3-1 is provided with a through hole 1-3-3, and the bottom surface of the barrel-shaped thin wall 1-3-1 is opened along the periphery away from the center of the circle. Several equidistant cutting holes 1-3-4;

The structure of the rotor discs 1-5 is a pie-shaped entity;

The number of stator disks 1-3 and rotor disks 1-5 is the same, and both are at least two, and are alternately arranged between the inlet end cover 1-1 and the outlet end cover 1-2 in sequence;

The rotating shafts 1-4 pass through the centers of all rotor disks 1-5 and are fixedly connected with the rotor disks 1-5.

The disk surface of the stator disk body 1-3-2 is provided with several rows of annular grooves concentric with the disk surface, and the disk surface of the rotor disk 1-5 is provided with a number of sliders inlaid with the annular grooves. It can cut and stir the reactants, make the reactants into small particles and mix, increase the specific surface area of the reactants, and speed up the reaction rate.

The inlet end cap 1-2 is provided with an end cap disc body 4 parallel to the bottom surface of the inlet end cap 1-2. The end cap disc body 4 has the same structure as the stator disc body, and the periphery of the end cap disc body 4 is the same as that of the inlet end cap. The side walls of 1-2 are fixedly connected; a rotor disk opposite to the end cover disk body 4 is arranged on the rotating shaft. For small-scale reactions with little mass, the reactor 1 can complete agitation and cutting even without expanding the stator disks 1-3.

The device also includes an air inlet communication pipe 5, an air outlet communication pipe 6 and an exhaust tank 7; the side wall of the cylindrical thin wall 1-3-1 is provided with at least two air holes 8, and the air inlet communication pipe 5 is connected to at least 1 Each air hole is in communication, and the air outlet communication pipe 6 is in communication with at least one air hole, and is connected to the exhaust tank 7 and is connected to the air intake pipe. Each stage of the stator disks 1-3 is provided with air inlet and air outlet, so that the reaction gas in the reactor 1 is sufficient, the concentration becomes larger, and the reaction rate is accelerated.

Several connecting holes 9 are provided on the side walls of the adjacent stator disks 1-3, and are connected by bolts 10. Stator discs 1-3 can be flexibly expanded.

The device also includes a machine base 11 on which the reactor 1 and the motor 3 are arranged. Increased the stability of the entire set of reaction devices.

The use process of the utility model is as follows: the reactant slurry enters the reactor 1 from the solid-liquid inlets 1-6 by a pump, and the gas participating in the reaction enters each section from the air inlets 1-7 by a compressor to control the flow. Under the action of the centrifugal force of the rotor disc 1-5, the slurry is cut and collided with each other between the rotor and the spindle disc 1-3 to form spherical fine droplets and bubbles, thereby increasing the specific surface area and contact area, and improving mass and heat transfer. The diffusion and penetration rates increase the reaction speed and shorten the reaction time. At the same time, considering the reaction end point and equilibrium problems, a multi-stage reaction was designed. Each stage will use the amount of gas required for the supplementary reaction and the extraction of the gas after the reaction to break the reaction equilibrium to achieve the purpose of a more complete reaction. The reacted slurry flows to the gas-liquid separator 2 by itself, and the reacted gas is pumped away or sent to the next section by a Roots blower or a vacuum pump.

Claims (6)

1. A multi-stage accelerated reaction reaction device, characterized in that, comprising: a reactor (1), a gas-liquid separator (2); The reactor (1) comprises: an inlet end cover (1-1), an outlet end cover (1-2), a stator disk (1-3), a rotating shaft (1-4), a rotor disk (1-5), Solid-liquid inlet (1-6), air inlet (1-7), solid-liquid outlet (1-8), air outlet (1-9); Both the inlet end cap (1-1) and the outlet end cap (1-2) are cylindrical; the inlet end cap (1-1) and the outlet end cap (1-2) are arranged opposite to each other to form a cylindrical hollow. a cavity, the rotating shaft (1-4) passes through the inlet end cover (1-1) and the outlet end cover (1-2) in sequence, and is collinear with the central axis of the cylindrical cavity; The inlet end cover (1-1) is provided with a solid-liquid inlet (1-6), an air inlet (1-7), and an air outlet (1-9), and the outlet end cover (1-2) is provided with a Solid-liquid outlet (1-8); The gas-liquid separator (2) is communicated with the solid-liquid outlet (1-8); The stator disc (1-3) includes a cylindrical thin wall (1-3-1) and a pie-shaped stator disc body (1-3-2), and the stator disc body (1-3- 2) It is arranged inside the cylindrical thin wall (1-3-1) and is parallel to the bottom surface of the cylindrical thin wall (1-3-1). The periphery of the disc is fixedly connected with the side wall of the cylindrical thin wall (1-3-1), and the stator disc body (1-3-2) and the cylindrical thin wall (1-3-1) are A through hole (1-3-3) is opened in the center, and a number of equidistant cutting holes (1-3-4) are opened along the periphery at the bottom surface of the cylindrical thin wall (1-3-1) away from the center of the circle; The structure of the rotor disk (1-5) is a pie-shaped entity; The number of the stator disks (1-3) and the rotor disks (1-5) is the same, and both are at least two, and are alternately arranged on the inlet end cover (1-1) and the outlet end cover (1-2) in turn. between; The rotating shafts (1-4) pass through the centers of all rotor disks (1-5) and are fixedly connected with the rotor disks (1-5). 2. The multi-stage accelerated reaction reaction device according to claim 1, characterized in that, several rows of annular grooves ( 1-3-21), a plurality of sliders (1-51) inlaid with the annular groove are provided on the disk surface of the rotor disk (1-5). 3. The reaction device for multi-stage accelerated reaction according to claim 2, characterized in that the inlet end cap (1-1) is provided with a bottom surface parallel to the inlet end cap (1-1). The end cap disc body (4), the end cap disc body (4) has the same structure as the stator disc body, and the periphery of the end cap disc body (4) is the same as that of the inlet end cap (1-1). The side walls of the rotor are fixedly connected; a rotor disk opposite to the end cover disk body (4) is arranged on the rotating shaft. 4. A multi-stage accelerated reaction reaction device according to claim 1, characterized in that, further comprising an inlet communication pipe (5), an outlet communication pipe (6) and an exhaust tank (7); At least two air holes (8) are opened on the side wall of the barrel-shaped thin wall (1-3-1), the air inlet communication pipe (5) is communicated with at least one air hole, and the air outlet communication pipe (6) is connected with the air outlet. At least one air hole is connected and connected to the exhaust tank (7). 5. The multi-stage accelerated reaction reaction device according to claim 1, characterized in that, several connecting holes (9) are provided on the side walls of the adjacent stator discs (1-3), and bolts (10) CONNECTIONS. 6 . The multi-stage accelerated reaction reaction device according to claim 1 , further comprising a machine base ( 11 ), and the reactor ( 1 ) is arranged on the machine base ( 11 ). 7 .

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