CN215028787U - Stirring reaction kettle with composite stirrer - Google Patents
Stirring reaction kettle with composite stirrer Download PDFInfo
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- CN215028787U CN215028787U CN202023102796.1U CN202023102796U CN215028787U CN 215028787 U CN215028787 U CN 215028787U CN 202023102796 U CN202023102796 U CN 202023102796U CN 215028787 U CN215028787 U CN 215028787U
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- stirrer
- kettle body
- heating wire
- kettle
- stirring
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- 238000003756 stirring Methods 0.000 title claims abstract description 72
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 28
- 239000002131 composite material Substances 0.000 title claims abstract description 23
- 238000010438 heat treatment Methods 0.000 claims abstract description 52
- 239000000463 material Substances 0.000 claims abstract description 41
- 238000005485 electric heating Methods 0.000 claims abstract description 20
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 4
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 229910000617 Mangalloy Inorganic materials 0.000 claims description 3
- QFGIVKNKFPCKAW-UHFFFAOYSA-N [Mn].[C] Chemical compound [Mn].[C] QFGIVKNKFPCKAW-UHFFFAOYSA-N 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 3
- 238000012824 chemical production Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
A stirring reaction kettle with a composite stirrer comprises a kettle body, a composite stirring device and a heating device, wherein a feeding hole is formed in the upper part of the kettle body, and a discharging hole is formed in the bottom of the kettle body; the composite stirring device comprises a motor arranged above the kettle body and a stirrer arranged in the kettle body, wherein the stirrer comprises a hollow stirring shaft, an upper stirrer and a bottom stirrer, the top of the stirring shaft extends out of the kettle body, the upper stirrer and the bottom stirrer are sequentially arranged on the lower part of the stirring shaft connected with an output shaft of the motor from top to bottom along the axial direction, the upper stirrer is a plate propeller type stirrer, and the bottom stirrer is a hyperboloid stirrer; the heating device comprises an electric heating wire and an electric heating wire power supply part, wherein the electric heating wire is arranged in the upper stirrer and is communicated with a power supply outside the kettle body through the electric heating wire power supply part. The invention has the beneficial effects that: effectively eliminating the stirring dead angle in the kettle; the reaction efficiency is improved; the stirring device is suitable for stirring various materials, in particular to the stirring of suspended materials.
Description
Technical Field
The utility model relates to a stirring reation kettle with compound agitator belongs to the chemical industry equipment field.
Background
The tank type stirred tank reactor (reaction kettle) is an important chemical production device, and is directly related to the quality and variety of chemical products and the production capacity of factories. In the current chemical production, the more used kettle reactors are vertical reactors and horizontal reactors, and the specific form is determined according to a specific reaction principle and reaction conditions. The process of feeding, reacting and discharging can be finished at a high automation level, and important parameters such as temperature, pressure, pH value and the like of materials in the reaction process are strictly regulated and controlled. However, the kettle body of the reaction kettle is generally a cylindrical barrel, and the flowing form of the fluid medium in the kettle is not completely homogeneous, so that a scientific and efficient stirring device is necessary to design.
In current all kinds of agitators, the agitator structure is comparatively single, can only carry out local stirring to the material in the cauldron, has the stirring dead angle, and agitator energy transfer scheduling problem not in place influences the homogeneous mixing of material, makes the reaction take place inadequately, and material utilization is on the low side. In addition, to the reaction that needs to heat, at present often adopt jacket heating formula reation kettle, because the material has the insufficient problem of stirring, can lead to appearing the inhomogeneous situation of heat transfer in the cauldron, probably can make some materials be heated inadequately and some materials are thermal decomposition again, reduce reaction efficiency and factory production ability.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a reation kettle who has compound agitator that no stirring dead angle, energy transfer target in place.
A stirring reation kettle with compound agitator, its characterized in that: the device comprises a kettle body, a composite stirring device and a heating device, wherein the upper part of the kettle body is provided with a feeding hole, and the bottom of the kettle body is provided with a discharging hole;
the composite stirring device comprises a motor arranged above the kettle body and a stirrer arranged in the kettle body, wherein the stirrer comprises a hollow stirring shaft, an upper stirrer and a bottom stirrer, the top of the stirring shaft extends out of the kettle body and is connected with an output shaft of the motor, the upper stirrer and the bottom stirrer are sequentially arranged at the lower part of the stirring shaft from top to bottom along the axial direction, the upper stirrer is a plate propeller type stirrer, and the bottom stirrer is a hyperboloid stirrer; the plate type propeller stirrer heats the material while pressing the material downwards along the axial direction, the material is pushed out along the radial direction by the hyperboloid stirrer at the bottom after being heated and pressed, and the material which is originally positioned at the edge of the kettle body and is not heated and stirred is extruded to the upper part of the kettle body to be sufficiently heated and stirred, so that the material is uniformly heated and mixed under the double stirring of the plate type propeller stirrer and the hyperboloid stirrer;
the heating device comprises a heating wire for heating the material liquid in the kettle body and a heating wire power supply part for supplying power to the heating wire, the heating wire is arranged in the upper stirrer, and the upper stirrer is used for stirring the material and heating the material; the electric heating wire is communicated with a power supply outside the kettle body through the electric heating wire power supply part.
Furthermore, the electric heating wire power supply part comprises a heating wire internal power supply wire embedded in the hollow cavity of the stirring shaft, exposed metal convex points arranged at the top of the stirring shaft, a metal ring sleeved at the top of the stirring shaft and an external power supply wire communicated with an external power supply, the lower connecting end of the heating wire internal power supply wire is connected with a plurality of electric heating wires in parallel, and the upper connecting end of the heating wire internal power supply wire is connected with the metal convex points; the metal convex points are fully contacted with the metal ring, and the metal ring is connected with the external power supply line to form a closed loop for supplying power to the electric heating wire.
Further, the inner bottom surface of the kettle body is a curved surface, the cross section of the kettle body is composed of two same arcs, and the radius of each arc is 1/2-1/5 of the inner diameter of the kettle body; the height of the circular arc is 10-20% of the inner diameter of the kettle body.
Furthermore, the feeding hole is provided with a feeding electromagnetic valve, and the discharging hole is provided with a discharging electromagnetic valve for carrying out electrified control on the feeding speed and the discharging speed of the materials.
Further, the upper stirrer comprises a plurality of blades internally provided with the heating wires, every two blades are in a group and are horizontally symmetrically and vertically symmetrically arranged at positions between 1/3 and 2/3 of the height of the kettle body, the number of the groups is between 1 and 9, and the included angle between each group of blades and the horizontal plane is between 10 and 80 degrees, so that the blades are used for monitoring the real-time state of materials at different positions in the kettle, and the remote control of the production progress of the reaction kettle is realized by combining an electrified control feeding and discharging system. Because the material is in the motion state all the time, and the contact time with the blade is short, consequently can realize even heating, prevent to appear the uneven condition of each part temperature of material in the cauldron and appear.
Furthermore, the heating wires are installed along the positions, reduced by 1/4-1/2 in equal proportion, of the blade profile and connected in parallel to the lower connecting end of a power supply wire inside the heating wire.
Furthermore, the stirring shaft is hollow, a heating wire is embedded in the stirring shaft to supply power to the heating wire in the blades of the upper stirrer, the hollow degree of the stirring shaft is determined according to the number of the blades of the upper stirrer, and the diameter of the hollow part is generally not more than 1/2 of the total diameter of the stirring shaft.
Further, the diameter of the bottom stirrer is 1/3-2/3 of the inner diameter of the kettle body, the distance from the bottom surface of the bottom stirrer to the bottom surface of the kettle body is 25-35% of the inner diameter of the kettle body, and the number of the flow guide strips on the cambered surface of the bottom stirrer is 6-12.
And the material state measuring device comprises a sensor arranged on the kettle wall of the kettle body. The sensors include but are not limited to temperature sensors, pH value sensors, pressure sensors and the like, a plurality of sensors can be simultaneously mounted on each type of sensor, and the mounting positions of the sensors of the same type are required to be uniform horizontally and uniform vertically in principle. The state of the materials in the kettle can be monitored in real time through the sensor on the kettle wall, and the feeding speed and the reaction degree of the materials in the kettle are effectively controlled.
Furthermore, the thermal insulation layer is coated outside the kettle body, so that materials in the kettle can be subjected to thermal insulation.
Further, the kettle body is made of carbon manganese steel, stainless steel or glaze-coated carbon steel.
A certain amount of suspended materials are added into the stirring kettle, the composite stirring device is started, and the motor drives the stirring shaft and the upper stirrer and the bottom stirrer which are arranged on the stirring shaft to rotate. The upper stirrer is a plate propeller type stirrer and can press down the upper material in the kettle to provide axial speed for the material; the lower stirrer is a hyperboloid stirrer, and can throw out the materials at the lower part along the horizontal tangential direction to provide the materials with the speed in the horizontal direction.
The utility model has the advantages that:
1) the reaction kettle adopts the composite stirrer, the plate type propeller stirrer and the hyperboloid stirrer are combined together, the two stirrers supplement each other, and the stirring dead angle in the kettle can be effectively eliminated. Effectively improve reaction efficiency, be applicable to the stirring of multiple material, especially the stirring of suspension material.
2) This reation kettle adopts inside heating methods, heats through the heating wire of installing in plate-like propeller agitator blade, and calorific loss is little, and energy utilization is high, can carry out abundant even heating to the material.
3) This reation kettle degree of automation is high, realizes the monitoring of cauldron interior material state through all kinds of sensors, combines solenoid valve and the built-in heater strip of agitator that uses among the material feeding unit, can realize remote control to reation kettle's production progress, has effectively improved industrial production efficiency.
4) The reaction kettle is reasonable in design and easy to install.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein: 1. the device comprises a motor, 2, a kettle body, 3, a heat preservation layer, 4, a stirring shaft, 5, a feeding hole, 6, a discharging hole, 7, a bottom stirrer, 8, an upper stirrer, 9, a heating wire, 10, a power supply line inside the heating wire, 11, a metal contact, 12, a metal ring, 13, an external power supply line, 14, a feeding hole electromagnetic valve, 15, a discharging hole electromagnetic valve, 16, a pH value sensor, 17 and a temperature sensor.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
With reference to the accompanying drawings:
the composite stirring device comprises a motor 1 arranged above the kettle body 2 and a stirrer arranged in the kettle body (1), wherein the stirrer comprises a hollow stirring shaft 4, an upper stirrer 8 and a bottom stirrer 7, the top of the stirring shaft 4 extends out of the kettle body 2 and is connected with an output shaft of the motor 1, the upper stirrer 8 and the bottom stirrer 7 are sequentially arranged at the lower part of the stirring shaft 4 from top to bottom along the axial direction, the upper stirrer 8 is a plate-type propeller stirrer, and the bottom stirrer 7 is a hyperboloid stirrer;
the heating device comprises a heating wire 9 for heating the feed liquid in the kettle body 2 and a heating wire power supply part for supplying power to the heating wire 9, and the heating wire 9 is arranged in the upper stirrer 8; the electric heating wire 9 is communicated with a power supply outside the kettle body 2 through the electric heating wire power supply part.
Further, the electric heating wire power supply part comprises a heating wire internal power supply line 10 embedded in a hollow cavity of the stirring shaft 4, a metal convex point 11 arranged at the top of the stirring shaft 4 and exposed, a metal ring 12 sleeved at the top of the stirring shaft 4 and an external power supply line 13 used for being communicated with an external power supply, the lower connecting end of the heating wire internal power supply line 10 is connected with a plurality of heating wires 9 in parallel, and the upper connecting end of the heating wire internal power supply line 10 is connected with the metal convex point 11; the metal bumps 11 are in full contact with the metal ring 12, and the metal ring 12 is connected with the external power supply line 13 to form a closed loop for supplying power to the heating wire 9.
Further, the inner bottom surface of the kettle body 2 is a curved surface, the cross section of the kettle body consists of two same arcs, and the radius of each arc is 1/2-1/5 of the inner diameter of the kettle body; the height of the circular arc is 10-20% of the inner diameter of the kettle body.
Further, the feed inlet 5 is provided with a feed electromagnetic valve 14, and the discharge outlet 6 is provided with a discharge electromagnetic valve 15, so that remote control can be realized.
Further, the upper stirrer comprises a plurality of blades in which the electric heating wires 9 are arranged, every two blades are in a group and are horizontally, symmetrically and vertically and symmetrically arranged at positions between 1/3 and 2/3 of the kettle body, the number of the groups is between 1 and 9, and the included angle between each group of blades and the horizontal plane is between 10 and 80 degrees.
Furthermore, the heating wire 9 is installed along the blade contour at a position which is reduced by 1/4-1/2 in equal proportion and is connected in parallel with the lower connecting end of the power supply line 10 in the heating wire.
Furthermore, the stirring shaft is hollow, a heating wire is embedded in the stirring shaft to supply power to the heating wire in the blades of the upper stirrer, the hollow degree of the stirring shaft is determined according to the number of the blades of the upper stirrer, and the diameter of the hollow part is generally not more than 1/2 of the total diameter of the stirring shaft.
Further, the diameter of the bottom stirrer 7 is 1/3-2/3 of the inner diameter of the kettle body 2, the distance from the bottom surface of the bottom stirrer 7 to the inner bottom surface of the kettle body 2 is 25-35% of the inner diameter of the kettle body 2, and the number of the flow guide strips on the cambered surface of the bottom stirrer 7 is 6-12.
Further, still include the material state survey device that is used for real time monitoring cauldron material state, material state survey device is including installing sensor on 2 cauldron walls of the cauldron body.
Further, the kettle body 2 is coated with a heat insulation layer 3.
Further, the kettle body 2 is made of carbon manganese steel, stainless steel or glaze-coated carbon steel.
Example 2 this example differs from example 1 in that: the wall of the kettle body 2 is also provided with two pH value sensors 16 and two temperature sensors 17 which are horizontally symmetrical and vertically symmetrical, so that the real-time states of materials at different positions in the kettle can be monitored, and the remote control of the production progress of the reaction kettle is realized by combining an electrified control feeding and discharging system.
The embodiments described in this specification are merely illustrative of implementations of the inventive concepts, and the scope of the invention should not be considered limited to the specific forms set forth in the embodiments, but rather the scope of the invention includes equivalent technical means that can be conceived by those skilled in the art based on the inventive concepts.
Claims (10)
1. The utility model provides a stirring reation kettle with compound agitator which characterized in that: the device comprises a kettle body (2), a composite stirring device and a heating device, wherein a feeding hole (5) is formed in the upper part of the kettle body (2), and a discharging hole (6) is formed in the bottom of the kettle body;
the composite stirring device comprises a motor (1) arranged above the kettle body (2) and a stirrer arranged in the kettle body (2), wherein the stirrer comprises a hollow stirring shaft (4), an upper stirrer (8) and a bottom stirrer (7), the top of the stirring shaft (4) extends out of the kettle body (2) and is connected with an output shaft of the motor (1), the upper stirrer (8) and the bottom stirrer (7) are sequentially arranged at the lower part of the stirring shaft (4) from top to bottom along the axial direction, the upper stirrer (8) is a plate type propeller stirrer, and the bottom stirrer (7) is a hyperboloid stirrer;
the heating device comprises an electric heating wire (9) for heating the feed liquid in the kettle body (2) and an electric heating wire power supply part for supplying power to the electric heating wire (9), and the electric heating wire (9) is arranged in the upper stirrer (8); the electric heating wire (9) is communicated with a power supply outside the kettle body (2) through the electric heating wire power supply part.
2. The stirring reaction kettle with the composite stirrer according to claim 1, wherein: the heating wire power supply part comprises a heating wire internal power supply line (10) embedded in a hollow cavity of the stirring shaft (4), exposed metal convex points (11) arranged at the top of the stirring shaft (4), a metal ring (12) sleeved at the top of the stirring shaft (4) and an external power supply line (13) communicated with an external power supply, the lower connecting end of the heating wire internal power supply line (10) is connected with a plurality of heating wires (9) in parallel, and the upper connecting end of the heating wire internal power supply line (10) is connected with the metal convex points (11); the metal salient points (11) are fully contacted with the metal ring (12), and the metal ring (12) is connected with the external power supply line (13) to form a closed loop for supplying power to the electric heating wire (9).
3. The stirring reaction kettle with the composite stirrer according to claim 2, wherein: the inner bottom surface of the kettle body (2) is a curved surface, the cross section of the kettle body consists of two same arcs, and the radius of each arc is 1/2-1/5 of the inner diameter of the kettle body; the height of the circular arc is 10-20% of the inner diameter of the kettle body.
4. The stirring reaction kettle with the composite stirrer according to claim 3, wherein: the feeding port (5) is provided with a feeding electromagnetic valve (14), and the discharging port (6) is provided with a discharging electromagnetic valve (15).
5. The stirring reaction kettle with the composite stirrer according to claim 4, wherein: the upper stirrer comprises a plurality of blades with the heating wires (9) arranged inside, every two blades are in a group and are horizontally, symmetrically and vertically and symmetrically arranged at positions between 1/3 and 2/3 of the kettle body, the number of the groups is between 1 and 9, and the included angle between each group of blades and the horizontal plane is between 10 and 80 degrees.
6. The stirring reaction kettle with the composite stirrer according to claim 5, wherein: the heating wire (9) is installed along the position where the blade profile is reduced by 1/4-1/2 in equal proportion and is connected to the lower connecting end of the power supply wire (10) in the heating wire in parallel.
7. The stirring reaction kettle with the composite stirrer according to claim 4, wherein: the diameter of the bottom stirrer (7) is 1/3-2/3 of the inner diameter of the kettle body (2), the distance from the bottom surface of the bottom stirrer (7) to the inner bottom surface of the kettle body (2) is 25% -35% of the inner diameter of the kettle body (2), and the number of the diversion strips on the cambered surface of the bottom stirrer (7) is 6-12.
8. The stirring reaction kettle with the composite stirrer according to any one of claims 1 to 7, wherein: the material state measuring device is used for monitoring the state of materials in the kettle in real time and comprises a sensor arranged on the kettle wall of the kettle body (2).
9. The stirring reaction tank with the composite stirrer according to claim 8, wherein: and the outside of the kettle body (2) is coated with a heat-insulating layer (3).
10. The stirring reaction kettle with the composite stirrer according to claim 9, wherein: the kettle body (2) is made of carbon manganese steel, stainless steel or glaze-coated carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023102796.1U CN215028787U (en) | 2020-12-21 | 2020-12-21 | Stirring reaction kettle with composite stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023102796.1U CN215028787U (en) | 2020-12-21 | 2020-12-21 | Stirring reaction kettle with composite stirrer |
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| Publication Number | Publication Date |
|---|---|
| CN215028787U true CN215028787U (en) | 2021-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023102796.1U Expired - Fee Related CN215028787U (en) | 2020-12-21 | 2020-12-21 | Stirring reaction kettle with composite stirrer |
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| Country | Link |
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| CN (1) | CN215028787U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112705141A (en) * | 2020-12-21 | 2021-04-27 | 浙江工业大学 | Stirring reaction kettle with composite stirrer |
| CN115253930A (en) * | 2022-07-05 | 2022-11-01 | 安徽昊源化工集团有限公司 | Reaction unit before dimethyl ether production is with dehydration |
-
2020
- 2020-12-21 CN CN202023102796.1U patent/CN215028787U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112705141A (en) * | 2020-12-21 | 2021-04-27 | 浙江工业大学 | Stirring reaction kettle with composite stirrer |
| CN115253930A (en) * | 2022-07-05 | 2022-11-01 | 安徽昊源化工集团有限公司 | Reaction unit before dimethyl ether production is with dehydration |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wufeng Qianshan Hydropower Co.,Ltd. Assignor: JIANG University OF TECHNOLOGY Contract record no.: X2023980035987 Denomination of utility model: A stirring reaction kettle with a composite stirrer Granted publication date: 20211207 License type: Common License Record date: 20230526 Assignee: Guangzhou Aoke Intelligent Technology Co.,Ltd. Assignor: JIANG University OF TECHNOLOGY Contract record no.: X2023980035958 Denomination of utility model: A stirring reaction kettle with a composite stirrer Granted publication date: 20211207 License type: Common License Record date: 20230526 |
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| EE01 | Entry into force of recordation of patent licensing contract | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |