CN107115818B - Premixing device of chemical reaction kettle - Google Patents
Premixing device of chemical reaction kettle Download PDFInfo
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- CN107115818B CN107115818B CN201710410712.4A CN201710410712A CN107115818B CN 107115818 B CN107115818 B CN 107115818B CN 201710410712 A CN201710410712 A CN 201710410712A CN 107115818 B CN107115818 B CN 107115818B
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- tank body
- distributor
- stirring paddle
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Abstract
The invention discloses a premixing device of a chemical reaction kettle, which relates to the field of chemical production equipment and comprises a tank body and a stirring paddle, wherein the stirring paddle extends into the tank body, the bottom of the stirring paddle is provided with threads, the center of a distributor in the tank body is provided with a screw hole, through holes are formed around the screw hole, the part of the stirring paddle with the threads penetrates through the distributor, the outer wall of the tank body is provided with an annular liquid injection cavity, the annular liquid injection cavity is provided with a liquid inlet and a liquid outlet hole, the bottom of the tank body is provided with a discharge hole, the discharge hole is clamped with a ball body, the discharge hole is connected with. The invention is suitable for solid-liquid mixing or liquid-liquid mixing, the installation is convenient, and the pre-mixed materials can be distributed more uniformly due to the design of the through holes and the liquid outlet holes; the sphere at the outlet of the tank body floats up and down under the action of the gas pressure of the gas blowing pipeline, on one hand, the gas blown out by the gas blowing pipeline can generate airflow in the tank body, so that the mixing effect of materials is better, and on the other hand, the discharging speed of the mixed materials can be controlled by controlling the air pressure in the pipeline.
Description
Technical Field
The invention relates to the field of chemical production equipment, in particular to a premixing device of a chemical reaction kettle.
Background
The reaction kettle is a common device in the chemical field, the process reaction in the reaction kettle is mostly solid-liquid reaction and liquid-liquid reaction, in order to make the reaction more complete and the product more single, the reactants are generally premixed before entering the reaction kettle, and then injected into the reaction kettle to carry out the reaction under certain conditions (temperature, pressure, catalyst, etc.). The existing premixing device is an independent mixing device, mixed liquid is injected into the reaction kettle after mixing is completed, the space required by the independent mixing device is larger, and if one or more materials are mixed and are only injected into the same container to be mixed, the mixing effect is poor, and if the materials are uniformly mixed, a longer time is required.
Disclosure of Invention
The invention provides a chemical reaction kettle premixing device for overcoming the defects of the prior art.
The premixing device of the chemical reaction kettle comprises a tank body and a stirring paddle, wherein the stirring paddle penetrates through the top of the tank body and extends into the tank body, the stirring paddle is driven by a motor, the bottom of a rod body of the stirring paddle is provided with threads, the middle part in the tank body is provided with a distributor, the center of the distributor is provided with a screw hole, through holes are arranged around the screw hole on the distributor, the rod body and the part with the threads of the stirring paddle penetrate through the distributor, on the outer wall of the tank body, the position corresponding with the distributor is equipped with annular notes liquid chamber, is equipped with the inlet on the outer wall in annular notes liquid chamber, is equipped with out the liquid hole on its inner wall and makes annular notes liquid chamber and jar body be linked together, and inlet pipe and outlet duct are connected at the top of jar body, and the bottom of jar body is equipped with the discharge gate, and the spheroid has been blocked to the discharge gate, and spheroidal external diameter is greater than the internal diameter of discharge gate, and the pipeline of blowing is connected to the lateral wall of discharge gate, and the exit end of.
As a further improvement of the invention, the through holes are annularly distributed on the distributor, and the cross section of each through hole is a parallelogram.
As a further improvement of the invention, the through hole from the center to the edge has a cross-section bottom angle α with the angles being 75 degrees, 60 degrees and 45 degrees in sequence.
As a further improvement of the invention, the liquid outlet hole is a parallelogram in section, and the angle of the cross-section bottom angle β is 30 degrees.
As a further improvement of the invention, the air outlet pipe is connected with the air blowing pipeline, and a control valve is arranged on the air blowing pipeline and at the upstream of the air outlet pipe.
The premixing device of the chemical reaction kettle is suitable for solid-liquid mixing or liquid-liquid mixing, and only needs to be installed at a feed inlet of the reaction kettle and is integrated with the reaction kettle into a whole, the annular liquid injection cavity of the premixing device is used for storing liquid raw materials, the distributor is used for dispersing liquid or solid materials, meanwhile, a screw rod in the center of the distributor can also be used for conveying solid materials, and the premixed materials can be distributed more uniformly due to the design of the through hole of the distributor and the design of the liquid outlet hole of the annular liquid injection cavity, so that the mixing effect is better; the spheroid of jar body export utilizes the gas pressure effect of gas blow pipe way and fluctuate, and the gas that gas blow pipe blown out on the one hand can produce the air current at jar internal, makes the mixed effect of material better, and on the other hand can be through the atmospheric pressure in the control pipeline, and the discharged speed of control mixture, and then the cooperation reation kettle uses.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic diagram of a distributor according to the present invention;
FIG. 4 is a cross-sectional view of a distributor of the present invention;
FIG. 5 is a cross-sectional view of the annular injection chamber of the present invention.
Detailed Description
Example 1
As shown in figure 1, the chemical reaction kettle premixing device of the invention is composed of a tank body 1 and a stirring paddle 2, wherein the stirring paddle 2 passes through the top of the tank body 1 and extends into the tank body 1, the stirring paddle 2 is driven by a motor 3, the bottom of a rod body of the stirring paddle 2 is provided with threads, the middle part in the tank body 1 is provided with a distributor 4 (shown in figure 2), the center of the distributor 4 is provided with a screw hole 15 (shown in figure 3), through holes 13 are arranged around the screw hole 15 on the distributor 4, the rod body and the threaded part of the stirring paddle 2 pass through the distributor 4, an annular liquid injection cavity 5 is arranged on the outer wall of the tank body 1 and at the position corresponding to the distributor 4, a liquid inlet 6 is arranged on the outer wall of the annular liquid injection cavity 5, a liquid outlet 7 is arranged on the inner wall of the annular liquid injection cavity 5 and communicated with the tank body 1, the top of the tank body 1 is connected, the discharge port 10 is clamped with a ball body 11, the outer diameter of the ball body 11 is larger than the inner diameter of the discharge port 10, the side wall of the discharge port 10 is connected with an air blowing pipeline 12, and the outlet end of the air blowing pipeline 12 is opposite to the ball body 11.
Example 2
As shown in figure 1, the chemical reaction kettle premixing device comprises a tank body 1 and a stirring paddle 2, wherein the stirring paddle 2 penetrates through the top of the tank body 1 and extends into the tank body 1, the stirring paddle 2 is driven by a motor 3, the bottom of a rod body of the stirring paddle 2 is provided with threads, a distributor 4 (shown in figure 2) is arranged in the middle of the tank body 1, a screw hole 15 (shown in figure 3) is arranged in the center of the distributor 4, through holes 13 are arranged around the screw hole 15 on the distributor 4, the through holes 13 are annularly distributed on the distributor 4, the cross section of each through hole 13 is a parallelogram, the angle of a bottom angle α of the cross section of the through hole 13 from the center to the edge is 75 degrees, 60 degrees and 45 degrees (shown in figure 4), the threaded part of the rod body of the stirring paddle 2 penetrates through the distributor 4, an annular liquid injection cavity 5 is arranged on the outer wall of the tank body 1 and in a position corresponding to the distributor 4, a liquid injection cavity 5 is arranged on the outer wall of the annular liquid injection cavity 5, a liquid injection cavity 7 is communicated with the tank body 1, the outer diameter of the liquid injection cavity 7 is equal to the inner diameter of a discharge port 358 of a sphere, a discharge port of a discharge pipe 10, an air blowing pipe 10 degree is connected with the discharge port of a discharge pipe 10, and an air outlet pipe 10 degree of a discharge pipe connected with the top of the sphere 10 degree.
Example 3
As shown in figure 1, the chemical reaction kettle premixing device comprises a tank body 1 and a stirring paddle 2, the stirring paddle 2 penetrates through the top of the tank body 1 and extends into the tank body 1, the stirring paddle 2 is driven by a motor 3, threads are arranged at the bottom of a rod body of the stirring paddle 2 and can be used for conveying solid materials, a distributor 4 (shown in figure 2) is arranged in the middle of the tank body 1 and is used for dispersing liquid or solid materials, a screw hole 15 (shown in figure 3) is arranged in the center of the distributor 4, through holes 13 are formed in the periphery of the screw hole 15 in the distributor 4, the through holes 13 are annularly distributed on the distributor 4, the cross section of the through holes 13 is parallelogram, the through holes 13 from the center to the edge and the bottom angle α of the cross section of the through holes are 75 degrees, 60 degrees and 45 degrees in sequence (shown in figure 4), when liquid or solid materials are conveyed downwards from the through holes 13, the screw threads, the air pressure of the air inlet pipe is more favorable than that when the air is blown into the annular mixing pipeline, the air inlet pipe 12 is connected with the annular mixing pipeline, the air inlet pipe 12, the mixing pipeline, the air outlet pipe 12 is connected with the annular mixing pipeline, the air outlet pipe 12 is more favorable, the mixing pipeline, the air outlet pipe 12, the air outlet pipe is more favorable, the mixing pipeline 12, the air outlet pipe is more favorable for conveying of the mixing pipeline, the mixing pipeline 12, the mixing pipeline is more favorable, the mixing pipeline is more favorable for conveying material, the mixing pipeline 7 is more favorable for conveying of the mixing pipeline, the mixing pipeline 7, the mixing pipeline 7 is more favorable for conveying of the mixing pipeline, the mixing pipeline is more favorable for the mixing pipeline, the mixing pipeline is more favorable for discharging pipe, the mixing pipeline, the mixing.
The invention is suitable for solid-liquid mixing or premixing liquid-liquid materials, before use, firstly, the outlet end is arranged at the feed end of a reaction kettle, the solid feed end or one of the liquid feed ends is connected with a feed pipe 8, the other liquid feed end is connected with a liquid inlet 6, and simultaneously, an air blowing pipeline 12 is connected with an inert gas pipeline with certain pressure; during the use, can be with the inlet pipe 8 and the inlet 6 simultaneous feeding of jar body 1, the speed of the velocity of premixture area self all directions gets into the lower part of jar body 1, and the material particle collides the mixture each other, and when the material reaches jar body 1 volume's fourth to third, opens gas blowing pipe 12, when the manometer on the outlet duct 9 tends to the equilibrium, can judge the mixed effect and be the best.
The ball body 11 is of a double-layer structure, a solid copper ball is arranged in the ball body 11, a resin layer is arranged on the outer side of the copper ball, the solid copper ball has certain mass, the ball body 11 is prevented from being blown by gas, and the resin layer has the effects of good wear resistance and corrosion resistance; when the pipeline of the blowing pipeline 12 blows the ball 11 and aerates and mixes the mixed liquid in the tank body 1, the outflow speed of the mixed liquid is controlled to be 10-15L/s, and experiments prove that when the outflow speed of the mixed liquid is in the range, the mixing effect is optimal, and meanwhile, the raw material supply to the downstream process can be ensured.
Claims (3)
1. A chemical reaction kettle premixing device is composed of a tank body (1) and a stirring paddle (2), and is characterized in that the stirring paddle (2) penetrates through the top of the tank body (1) and extends into the tank body (1), the stirring paddle (2) is driven by a motor (3), threads are arranged at the bottom of a rod body of the stirring paddle (2), a distributor (4) is arranged in the middle of the tank body (1), a screw hole (15) is arranged at the center of the distributor (4), through holes (13) are formed in the periphery of the screw hole (15) in the distributor (4), the rod body of the stirring paddle (2) and a part with the threads penetrate through the distributor (4), an annular liquid injection cavity (5) is arranged on the outer wall of the tank body (1) and in a position corresponding to the distributor (4), a liquid inlet (6) is arranged on the outer wall of the annular liquid injection cavity (5), a liquid outlet hole (7) is arranged on the inner wall of the annular liquid injection cavity (5) to enable the annular liquid injection cavity (5) to be communicated with the tank body (1), the section of the liquid injection cavity (7) to be communicated with the liquid outlet (1), a quadrilateral air outlet pipe (10) is arranged on the top of the tank body (9), the air outlet pipe (10) and a discharge outlet pipe (10) is connected with a discharge port (10) of the air blowing pipe (10), the air outlet pipe (10) and a discharge port (10) connected with a discharge pipe (10) of the air outlet pipe (.
2. The premixing device of a chemical reaction kettle according to claim 1, wherein the through holes (13) are annularly distributed on the distributor (4), and the cross section of the through holes (13) is a parallelogram.
3. The premixing device for chemical reaction kettles, according to claim 2, wherein the angles of the through hole (13) from the center to the edge and the cross-sectional bottom angle α are 75 °, 60 ° and 45 ° in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710410712.4A CN107115818B (en) | 2017-06-04 | 2017-06-04 | Premixing device of chemical reaction kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710410712.4A CN107115818B (en) | 2017-06-04 | 2017-06-04 | Premixing device of chemical reaction kettle |
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| Publication Number | Publication Date |
|---|---|
| CN107115818A CN107115818A (en) | 2017-09-01 |
| CN107115818B true CN107115818B (en) | 2020-05-01 |
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| CN201710410712.4A Active CN107115818B (en) | 2017-06-04 | 2017-06-04 | Premixing device of chemical reaction kettle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107583524A (en) * | 2017-11-03 | 2018-01-16 | 马延军 | Liquid charging stock blender is used in a kind of decoction manufacture |
| CN107804603A (en) * | 2017-11-14 | 2018-03-16 | 中冶天工（天津）装备制造有限公司 | A kind of tank case for shipping granular goods |
| CN107983290B (en) * | 2017-12-05 | 2019-10-29 | 浙江天奇新材料科技股份有限公司 | A kind of furane resins production system and technique |
| CN115055150A (en) * | 2022-08-04 | 2022-09-16 | 扬州务园再生资源有限公司 | Polyol and alcamines cement grinding aid processing equipment |
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| US20040251566A1 (en) * | 2003-06-13 | 2004-12-16 | Kozyuk Oleg V. | Device and method for generating microbubbles in a liquid using hydrodynamic cavitation |
| JP2009112891A (en) * | 2007-11-02 | 2009-05-28 | Hitachi High-Technologies Corp | Fluid mixer |
| EP3329987B1 (en) * | 2012-06-15 | 2021-08-04 | Cummins IP, Inc. | Exhaust gas mixer |
| CN205850835U (en) * | 2016-06-24 | 2017-01-04 | 江苏健谷化工有限公司 | A kind of reactor |
| CN106393339B (en) * | 2016-08-02 | 2018-04-06 | 南京博俊新材料有限公司 | Comprehensive reactor for Wooden modifying |
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Effective date of registration: 20230210 Address after: 036000 South Xingjiahe Village, North Wangzhuang Street, Shuocheng District, Shuozhou City, Shanxi Province Patentee after: Shuozhou Municipal Sailing Construction Materials Co.,Ltd. Address before: 121013 No. 19, science and technology road, Jinzhou hi tech Industrial Zone, Liaoning Patentee before: BOHAI University |