CN110787761B - Large-scale magnetic stirrer for crystallization reaction kettle - Google Patents
Large-scale magnetic stirrer for crystallization reaction kettle Download PDFInfo
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- CN110787761B CN110787761B CN201911252357.8A CN201911252357A CN110787761B CN 110787761 B CN110787761 B CN 110787761B CN 201911252357 A CN201911252357 A CN 201911252357A CN 110787761 B CN110787761 B CN 110787761B
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- magnetic cylinder
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- 238000002425 crystallisation Methods 0.000 title claims abstract description 24
- 230000008025 crystallization Effects 0.000 title claims abstract description 24
- 238000003756 stirring Methods 0.000 claims abstract description 33
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 13
- 238000004140 cleaning Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000011020 pilot scale process Methods 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention discloses a large magnetic stirrer for a crystallization reaction kettle, which comprises a driving device, a speed reducer connected with the driving device and an inner driving shaft connected with the speed reducer, wherein a rack, a lower magnetic head and an upper magnetic head are sequentially arranged on the inner driving shaft from bottom to top, and the upper magnetic head is connected with the lower magnetic head through a connecting piece; the lower magnetic head comprises a lower magnetic cylinder and a lower stirring blade, the bottom end of the lower magnetic cylinder is fixed on a frame, and the frame is fixed on a speed reducer; the upper magnetic head comprises an upper magnetic cylinder and an upper stirring blade, and a shaft sleeve pressing cap is arranged at the top end of the upper magnetic cylinder; the upper layer magnetic cylinder and the lower layer magnetic cylinder are internally provided with magnetic blocks, and the diameter of the lower layer magnetic cylinder is larger than that of the upper layer magnetic cylinder. The large magnetic stirrer for the crystallization reaction kettle adopts the structure, solves the problem of high crystallization viscosity by adopting the double magnetic heads and the large high-strength magnetic cylinder, improves the stirring efficiency, and overcomes the problems of small common magnetic force and small torque.
Description
Technical Field
The invention relates to the technical field of magnetic stirrers, in particular to a large-sized magnetic stirrer for a crystallization reaction kettle.
Background
The magnetic reactor or magnetic reaction kettle is one magnetically driven stirring and synthesizing reaction kettle and has the specific principle that the motor drives high temperature powerful magnet to produce rotating magnetic field to drive the stirrer inside the container to rotate, and the jacket is set outside the reaction kettle to assist in heating, so that the material is mixed fully at set temperature and the reaction kettle is applied widely in biology, medicine, chemistry and other fields.
In the pilot and pilot scale reactors, various stirring systems are known from the literature, such as gas stirring, mechanical stirring systems, etc., which have a motor directly connected to a stirring shaft and a magnetic drive with a shaft separated from the motor. The motor is directly connected with the stirring shaft, the dynamic sealing problem of the shaft and the reactor is related, and the reactor has the possibility of leakage and bacteria contamination particularly in the aspects of microorganism culture and the like due to the temperature resistance, pressure resistance and the like of sealing materials. However, the existing common reaction kettle is a mechanical reaction kettle, and the leakage risk is caused. In view of the above, it is necessary to design a large magnetic stirrer for crystallization reactors.
Disclosure of Invention
The invention aims to provide a large magnetic stirrer for a crystallization reaction kettle, which adopts a double magnetic head and a large high-strength magnetic cylinder, solves the problem of high crystallization viscosity, improves stirring efficiency, and overcomes the problems of small common magnetic force and small torque.
In order to achieve the above purpose, the invention provides a large magnetic stirrer for a crystallization reaction kettle, which comprises a driving device, a speed reducer connected with the driving device and an inner driving shaft connected with the speed reducer, wherein a rack, a lower magnetic head and an upper magnetic head are sequentially arranged on the inner driving shaft from bottom to top, and the upper magnetic head is connected with the lower magnetic head through a connecting piece;
The lower magnetic head comprises a lower magnetic cylinder and a lower stirring blade arranged on the outer surface of the lower magnetic cylinder, the bottom end of the lower magnetic cylinder is fixed on the frame, and the frame is fixed on the speed reducer; the upper magnetic head comprises an upper magnetic cylinder and an upper stirring blade arranged on the outer surface of the upper magnetic cylinder, and a shaft sleeve pressing cap is arranged at the top end of the upper magnetic cylinder;
The upper layer magnetic cylinder and the lower layer magnetic cylinder are internally provided with magnetic blocks, and the diameter of the lower layer magnetic cylinder is larger than that of the upper layer magnetic cylinder.
Preferably, the lower layer magnetic cylinder comprises a lower layer cylindrical cylinder body and lower layer conical cylinder bodies arranged at two ends of the lower layer cylindrical cylinder body, and a plurality of lower layer jet flow cleaning holes are formed in the lower layer conical cylinder bodies.
Preferably, the upper cylinder body is formed by an upper cylindrical cylinder body and an upper conical cylinder body arranged at two ends of the upper cylindrical cylinder body, and a plurality of upper jet cleaning holes are formed in the upper conical cylinder body.
Preferably, the lower layer cylindrical cylinder body and the lower layer conical cylinder body and the upper layer cylindrical cylinder body and the upper layer conical cylinder body are of an integrated structure.
Preferably, the frame is connected with the lower layer conical cylinder body and the lower layer conical cylinder body is connected with the connecting piece through bolts.
Preferably, the size of the upper layer stirring blade is smaller than that of the lower layer stirring blade, and the upper layer stirring blade and the lower layer stirring blade are respectively five.
Preferably, the magnetic blocks are arranged in sixteen groups and are respectively fixed on the upper layer magnetic cylinder and the lower layer magnetic cylinder through magnetic cylinder fixing sleeves.
Preferably, the driving device is a motor, and the motor is perpendicular to the inner driving shaft.
Therefore, the large magnetic stirrer for the crystallization reaction kettle adopts the structure, solves the problem of high crystallization viscosity by adopting the double magnetic heads and the large high-strength magnetic cylinder, improves the stirring efficiency, and overcomes the problems of small common magnetic force and small torque.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
FIG. 1 is a schematic diagram of a large magnetic stirrer for crystallization reactors according to an embodiment of the present invention.
Detailed Description
Examples
Fig. 1 is a schematic structural diagram of an embodiment of a large magnetic stirrer for a crystallization reaction kettle, and as shown in the drawing, the invention provides a large magnetic stirrer for a crystallization reaction kettle, which comprises a driving device 1, a speed reducer 2 connected with the driving device 1 and an inner driving shaft 3 connected with the speed reducer 2, wherein a frame 4, a lower magnetic head 5 and an upper magnetic head 6 are sequentially arranged on the inner driving shaft 3 from bottom to top, and the upper magnetic head 6 is connected with the lower magnetic head 5 through a connecting piece 7; the lower magnetic head 5 comprises a lower magnetic cylinder 51 and a lower stirring blade 52 arranged on the outer surface of the lower magnetic cylinder 51, the bottom end of the lower magnetic cylinder 51 is fixed on the frame 4, and the frame 4 is fixed on the speed reducer 2; the lower magnetic cylinder 51 is composed of a lower cylindrical cylinder body and lower conical cylinder bodies arranged at two ends of the lower cylindrical cylinder body, and a plurality of lower jet flow cleaning holes 53 are formed in the lower conical cylinder bodies. According to the invention, the double-layer magnetic heads are arranged and simultaneously connected to the inner driving shaft, so that the rotating speed is consistent, the stirring speed can be improved, the stirring is more uniform, the leakage risk is avoided, the torque and the magnetic force are increased, the two magnetic heads can be made of stainless steel or PTFE, the two magnetic cylinders can be quite large, the large magnet can be embedded, and the problem of high crystallization viscosity is solved. The motor is used for starting, the speed reducer drives the inner driving shaft to rotate, so that the upper layer magnetic cylinder and the lower layer magnetic cylinder are driven to rotate, and the upper layer stirring blade and the lower layer stirring blade are simultaneously rotated to stir.
The upper magnetic head 6 comprises an upper magnetic cylinder 61 and an upper stirring blade 62 arranged on the outer surface of the upper magnetic cylinder 61, and a shaft sleeve pressing cap 8 is arranged at the top end of the upper magnetic cylinder 61; the upper layer magnetic cylinder 61 and the lower layer magnetic cylinder 51 are provided with magnetic blocks, and the diameter of the lower layer magnetic cylinder 51 is larger than that of the upper layer magnetic cylinder 61. The upper cylinder body 61 is in by upper cylindrical cylinder body and the upper cone cylinder body of upper cone cylinder body both ends of upper cylinder body, be provided with a plurality of upper jet cleaning hole 63 on the upper cone cylinder body, can self-cleaning magnetic head in the stirring, avoided the liquid medicine to stop in the magnetic cylinder and corrode the magnet steel, prolonged the life of agitator.
The lower layer cylindrical cylinder body and the lower layer conical cylinder body and the upper layer cylindrical cylinder body and the upper layer conical cylinder body are of an integrated structure.
The frame 4 is connected with the lower layer conical cylinder body and the lower layer conical cylinder body is connected with the connecting piece 7 through bolts.
The size of the upper layer stirring blade 62 is smaller than that of the lower layer stirring blade 52, and is set to five respectively. The magnetic blocks are arranged into sixteen groups and are respectively fixed on the upper layer magnetic cylinder 61 and the lower layer magnetic cylinder 51 through magnetic cylinder fixing sleeves.
The drive means 1 is a motor which is perpendicular to the inner drive shaft 3.
Therefore, the large magnetic stirrer for the crystallization reaction kettle adopts the structure, solves the problem of high crystallization viscosity by adopting the double magnetic heads and the large high-strength magnetic cylinder, improves the stirring efficiency, and overcomes the problems of small common magnetic force and small torque.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention and not for limiting it, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the invention can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the invention.
Claims (6)
1. A large-scale magnetic stirrer for crystallization reaction kettle is characterized in that:
The device comprises a driving device, a speed reducer connected with the driving device and an inner driving shaft connected with the speed reducer, wherein a rack, a lower magnetic head and an upper magnetic head are sequentially arranged on the inner driving shaft from bottom to top, and the upper magnetic head is connected with the lower magnetic head through a connecting piece;
The lower magnetic head comprises a lower magnetic cylinder and a lower stirring blade arranged on the outer surface of the lower magnetic cylinder, the bottom end of the lower magnetic cylinder is fixed on the frame, and the frame is fixed on the speed reducer; the upper magnetic head comprises an upper magnetic cylinder and an upper stirring blade arranged on the outer surface of the upper magnetic cylinder, and a shaft sleeve pressing cap is arranged at the top end of the upper magnetic cylinder;
the upper layer magnetic cylinder and the lower layer magnetic cylinder are internally provided with magnetic blocks, and the diameter of the lower layer magnetic cylinder is larger than that of the upper layer magnetic cylinder;
The lower magnetic cylinder consists of a lower cylindrical cylinder body and lower conical cylinder bodies arranged at two ends of the lower cylindrical cylinder body, and a plurality of lower jet flow cleaning holes are formed in the lower conical cylinder bodies;
the upper layer magnetic cylinder is formed by an upper layer cylindrical cylinder body and an upper layer conical cylinder body arranged at two ends of the upper layer cylindrical cylinder body, and a plurality of upper layer jet flow cleaning holes are formed in the upper layer conical cylinder body.
2. The large-scale magnetic stirrer for crystallization reactor according to claim 1, wherein: the lower layer cylindrical cylinder body and the lower layer conical cylinder body and the upper layer cylindrical cylinder body and the upper layer conical cylinder body are of an integrated structure.
3. The large-scale magnetic stirrer for crystallization reactor according to claim 2, wherein: the frame is connected with the lower layer conical cylinder body and the lower layer conical cylinder body is connected with the connecting piece through bolts.
4. A large magnetic stirrer for crystallization reactor according to claim 3, wherein: the size of the upper stirring blade is smaller than that of the lower stirring blade, and the upper stirring blade and the lower stirring blade are respectively five.
5. The large-scale magnetic stirrer for crystallization reactor according to claim 4, wherein: the magnetic blocks are arranged into sixteen groups and are respectively fixed on the upper layer magnetic cylinder and the lower layer magnetic cylinder through magnetic cylinder fixing sleeves.
6. The large-scale magnetic stirrer for crystallization reactor according to claim 5, wherein: the driving device is a motor, and the motor is perpendicular to the inner driving shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911252357.8A CN110787761B (en) | 2019-12-09 | 2019-12-09 | Large-scale magnetic stirrer for crystallization reaction kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911252357.8A CN110787761B (en) | 2019-12-09 | 2019-12-09 | Large-scale magnetic stirrer for crystallization reaction kettle |
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| Publication Number | Publication Date |
|---|---|
| CN110787761A CN110787761A (en) | 2020-02-14 |
| CN110787761B true CN110787761B (en) | 2024-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911252357.8A Active CN110787761B (en) | 2019-12-09 | 2019-12-09 | Large-scale magnetic stirrer for crystallization reaction kettle |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110060434A (en) * | 2009-11-30 | 2011-06-08 | 정종헌 | Mixer structure of magnetic stirrer |
| CN105817189A (en) * | 2015-01-09 | 2016-08-03 | 淄博三田化工装备有限公司 | Reaction kettle with bottom stretching type stirring device |
| CN207413305U (en) * | 2017-11-09 | 2018-05-29 | 安徽松羽工程技术设备有限公司 | A kind of bottom entering type magnetic stirring apparatus |
| CN208260678U (en) * | 2018-01-24 | 2018-12-21 | 杭州九龄科技有限公司 | A kind of non-contact zero gravity and magnetic force driving blender |
| CN211303057U (en) * | 2019-12-09 | 2020-08-21 | 奥格流体工程（三河）有限公司 | Large-scale magnetic stirrer for crystallization reaction kettle |
-
2019
- 2019-12-09 CN CN201911252357.8A patent/CN110787761B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110060434A (en) * | 2009-11-30 | 2011-06-08 | 정종헌 | Mixer structure of magnetic stirrer |
| CN105817189A (en) * | 2015-01-09 | 2016-08-03 | 淄博三田化工装备有限公司 | Reaction kettle with bottom stretching type stirring device |
| CN207413305U (en) * | 2017-11-09 | 2018-05-29 | 安徽松羽工程技术设备有限公司 | A kind of bottom entering type magnetic stirring apparatus |
| CN208260678U (en) * | 2018-01-24 | 2018-12-21 | 杭州九龄科技有限公司 | A kind of non-contact zero gravity and magnetic force driving blender |
| CN211303057U (en) * | 2019-12-09 | 2020-08-21 | 奥格流体工程（三河）有限公司 | Large-scale magnetic stirrer for crystallization reaction kettle |
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| Publication number | Publication date |
|---|---|
| CN110787761A (en) | 2020-02-14 |
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Effective date of registration: 20240403 Address after: 061103 north side of Siwei West Road, Nandagang high tech industrial cluster, Cangzhou City, Hebei Province Applicant after: Hebei Aoge fluid equipment Co.,Ltd. Country or region after: China Address before: 065201 Hebei Xingyuan Nonferrous Metal Material Co., Ltd. in Yanjiao High-tech Zone of Sanhe City, Langfang City, Hebei Province Applicant before: AOGE FLUID ENGINEERING (SANHE) Co.,Ltd. Country or region before: China |
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