A jet mixer and stirred reaction system

Abstract

The utility model provides a kind of jet mixer and stirring reaction system, including first material pipe, second material pipe, first straight pipe and gradually expanding pipe, the first material pipe and second material pipe are connected, the second material pipe and first straight pipe are connected, the first straight pipe is connected with gradually expanding pipe, the first material pipe, second material pipe, first straight pipe and gradually expanding pipe inner wall transition smooth;The first material pipe and second material pipe are connected by thread, the first material pipe bottom includes boss, the second material pipe bottom includes inclined plane matched with boss, and gap is left between the boss and the inclined plane;First material pipe and second material pipe of the device can rotate relatively, so the gap size between boss and inclined plane can be adjusted, so the negative pressure size of the first material pipe bottom is adjusted, so the feeding speed of solid material is adjusted.

Description

Technical Field

[0001] This utility model relates to the field of stirring equipment technology, and in particular to a jet mixer and stirring reaction system. Background Technology

[0002] In chemical production, the reaction process of materials is usually carried out in a reactor. When feeding solid powder in production, gravity feeding from the silo is usually used. The feeding speed is slow and dust is easily generated. Because of its low bulk density, the powder material tends to float on the surface of the liquid, which affects the mixing effect. Therefore, jet mixers are used to allow solid powder to enter the reactor under negative pressure. However, the existing structural design is unreasonable, and it is easy for powder to accumulate in dead corners. At the same time, the feeding speed of solid powder cannot be adjusted. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a jet mixer and a stirring reaction system.

[0004] The objective of this utility model is achieved through the following technical solution: a jet mixer, comprising a first feed pipe, a second feed pipe, a first straight pipe, and a diffuser, wherein the first feed pipe and the second feed pipe are connected, the second feed pipe and the first straight pipe are connected, the first straight pipe is connected to the diffuser, and the inner walls of the first feed pipe, the second feed pipe, the first straight pipe, and the diffuser are smoothly transitioned; the first feed pipe and the second feed pipe are connected by threads, the bottom of the first feed pipe includes a boss, the bottom of the second feed pipe includes an inclined surface that mates with the boss, and a gap is left between the boss and the inclined surface; the first feed pipe is connected to a feed inlet, and the second feed pipe is connected to a liquid inlet.

[0005] Furthermore, the first feed tube includes a second straight tube and a boss.

[0006] Furthermore, a sealing ring is provided at the connection between the first and second material pipes.

[0007] Furthermore, the angle between the boss and the inclined surface is the same.

[0008] Furthermore, a wear-resistant layer is provided on the boss and the inclined surface.

[0009] Furthermore, the first feed tube is provided with a scale and a rotation direction mark, the scale indicating the distance between the boss and the inclined surface after rotation.

[0010] Furthermore, after the first feed tube rotates, the gap distance ranges from 0.3 to 6 mm.

[0011] A stirring reaction system includes a reaction vessel, the bottom of which is connected to a stirring pump via a pipe. The stirring pump is connected to a pressure sensor via a pipe. The pressure sensor is connected to a second feed pipe of a jet mixer via a pipe. The first feed pipe of the jet mixer is connected to a silo via a valve. Both the pressure sensor and the stirring pump are electrically connected to a controller.

[0012] Compared with the prior art, this utility model has the following advantages:

[0013] 1. The jet mixer provided by this utility model allows liquid material to be introduced into the second feed pipe, while solid powder can be introduced into the first feed pipe. As the liquid material passes through the gap between the boss and the inclined surface, it will generate negative pressure at the bottom of the first feed pipe. Therefore, the solid material will be sucked into the reactor under the action of negative pressure.

[0014] 2. The jet mixer provided by this utility model has a smooth transition between the inner walls of the first feed pipe, the second feed pipe, the first straight pipe and the gradually expanding pipe, which prevents the accumulation of solid powder.

[0015] 3. The jet mixer provided by this utility model allows the first and second feed tubes to rotate relative to each other, thus allowing adjustment of the gap between the boss and the inclined surface, thereby adjusting the negative pressure at the bottom of the first feed tube and thus adjusting the feeding speed of the solid material.

[0016] 4. The stirring reaction system provided by this utility model is equipped with a pressure sensor. When the pressure sensor detects a decrease in system pressure, the controller controls the stirring pump to increase its speed, flow rate, and head, thereby ensuring that the powder suction height of the solid material remains unchanged and the entire system remains stable. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the jet mixer of this utility model;

[0018] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0019] Figure 3 This is a schematic diagram of the stirring reaction system of this utility model. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] like Figure 1-2As shown, a jet mixer includes a first feed pipe 310, a second feed pipe 320, a first straight pipe 330, and a diffuser 340. The first feed pipe 310 and the second feed pipe 320 are connected, the second feed pipe 320 and the first straight pipe 330 are connected, and the first straight pipe 330 is connected to the diffuser 340. The inner walls of the first feed pipe 310, the second feed pipe 320, the first straight pipe 330, and the diffuser 340 have a smooth transition. The first feed pipe 310 and the second feed pipe 320 are connected by threads. The bottom of the first feed pipe 310 includes a boss 311, and the bottom of the second feed pipe 320 includes a slope 321 that mates with the boss 311. A gap 350 is left between the boss 311 and the slope 321. The first feed pipe 310 is connected to a feed inlet 360, and the second feed pipe 320 is connected to a liquid inlet 370.

[0022] The first feed tube 310 includes a second straight tube 312 and a boss 311. A sealing ring 380 is provided at the connection between the first feed tube 310 and the second feed tube 320. The boss 311 and the inclined surface 321 have the same angle. A wear-resistant layer is provided on the boss 311 and the inclined surface 321. It should be further noted that the above function can also be achieved by using a wear-resistant material for the entire boss 311 and the inclined surface 321. The first feed tube 310 is provided with a scale and a rotation direction mark. The scale indicates the distance of the gap 350 between the boss 311 and the inclined surface 321 after rotation. After the first feed tube is rotated, the distance of the gap 350 ranges from 0.3 to 6 mm.

[0023] It should be noted that when this utility model is in operation, liquid material is introduced into the second material pipe 320, while solid powder can be introduced into the first material pipe 310. Since the liquid material will generate negative pressure at the bottom of the first material pipe 310 when it passes through the gap 350 between the boss 311 and the inclined surface 321, the solid material will be sucked into the reactor 100 under the action of negative pressure. Furthermore, because the inner walls of the first material pipe, the second material pipe, the first straight pipe and the gradually expanding pipe are smoothly transitioned, the solid powder will not accumulate, making it more practical to use overall.

[0024] Meanwhile, the first material tube 310 and the second material tube 320 can rotate relative to each other, so the size of the gap between the boss 311 and the inclined surface 321 can be adjusted, thereby adjusting the negative pressure at the bottom of the first material tube 310, and thus adjusting the feeding speed of solid materials. When the gap is increased, the feeding speed is increased, and when the gap is decreased, the feeding speed is decreased.

[0025] like Figure 3As shown, a stirring reaction system includes a reaction vessel 100. The bottom of the reaction vessel 100 is connected to a stirring pump 200 via a pipe. The stirring pump 200 is connected to a pressure sensor 600 via a pipe. The pressure sensor 600 is connected to the second feed pipe 320 of a jet mixer 300 via a pipe. The first feed pipe 310 of the jet mixer 300 is connected to a silo 500 via a valve 400. Both the pressure sensor 600 and the stirring pump 200 are electrically connected to a controller 700.

[0026] It should be noted that the system is equipped with a pressure sensor 600. When the user increases the gap to speed up the feeding of solid materials, the pressure sensor 600 will detect a decrease in system pressure. The controller 700 will then control the stirring pump 200 to increase its speed, flow rate, and head, thereby ensuring that the powder suction height of the solid materials remains unchanged and the entire system remains stable. The reverse is also true. This will not be elaborated further here.

[0027] Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications and improvements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be determined by the claims.

Claims

1. A jet mixer, characterized in that, It includes a first material pipe (310), a second material pipe (320), a first straight pipe (330), and a gradually expanding pipe (340). The first material pipe (310) and the second material pipe (320) are connected together. The second material pipe (320) and the first straight pipe (330) are connected together. The first straight pipe (330) and the gradually expanding pipe (340) are connected together. The inner walls of the first material pipe (310), the second material pipe (320), the first straight pipe (330), and the gradually expanding pipe (340) are smoothly transitioned. The first material tube (310) and the second material tube (320) are connected by threads. The bottom of the first material tube (310) includes a boss (311), and the bottom of the second material tube (320) includes a slope (321) that cooperates with the boss (311). A gap (350) is left between the boss (311) and the slope (321). The first feed pipe (310) is connected to the feed inlet (360), and the second feed pipe (320) is connected to the liquid inlet (370).

2. The jet mixer according to claim 1, characterized in that, The first feed tube (310) includes a second straight tube (312) and a boss (311).

3. The jet mixer according to claim 2, characterized in that, A sealing ring (380) is provided at the connection between the first material tube (310) and the second material tube (320).

4. The jet mixer according to claim 3, characterized in that: The boss (311) has the same angle as the inclined surface (321).

5. The jet mixer according to claim 4, characterized in that: The boss (311) and the inclined surface (321) are provided with wear-resistant layers.

6. The jet mixer according to claim 5, characterized in that: The first feed tube (310) is provided with a scale and a rotation direction mark. The scale indicates the distance (350) between the boss (311) and the inclined surface (321) after rotation.

7. The jet mixer according to claim 6, characterized in that: After the first feed tube rotates, the distance of the gap (350) ranges from 0.3 to 6 mm.

8. A stirred reaction system, characterized in that: The reactor includes a reaction vessel (100), the bottom of which is connected to a stirring pump (200) via a pipe. The stirring pump (200) is connected to a pressure sensor (600) via a pipe. The pressure sensor (600) is connected to the second feed pipe (320) of the jet mixer (300) as described in any one of claims 1-7 via a pipe. The first feed pipe (310) of the jet mixer (300) is connected to a silo (500) via a valve (400). Both the pressure sensor (600) and the stirring pump (200) are electrically connected to a controller (700).

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