CN107812485B - Stirring device - Google Patents
Stirring device Download PDFInfo
- Publication number
- CN107812485B CN107812485B CN201711112052.8A CN201711112052A CN107812485B CN 107812485 B CN107812485 B CN 107812485B CN 201711112052 A CN201711112052 A CN 201711112052A CN 107812485 B CN107812485 B CN 107812485B
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- Prior art keywords
- container
- stirring
- rotary stirrer
- connecting rod
- bracket
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- 238000003756 stirring Methods 0.000 title claims abstract description 98
- 230000000452 restraining effect Effects 0.000 claims abstract description 6
- 239000004033 plastic Substances 0.000 claims description 44
- 229920003023 plastic Polymers 0.000 claims description 44
- 239000000463 material Substances 0.000 claims description 38
- 238000005260 corrosion Methods 0.000 claims description 17
- 230000007797 corrosion Effects 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 239000007769 metal material Substances 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 description 40
- 239000004005 microsphere Substances 0.000 description 13
- 239000012295 chemical reaction liquid Substances 0.000 description 10
- 239000011521 glass Substances 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 238000002474 experimental method Methods 0.000 description 7
- 239000000126 substance Substances 0.000 description 7
- 239000007795 chemical reaction product Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000010907 mechanical stirring Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000012495 reaction gas Substances 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 4
- 241000252254 Catostomidae Species 0.000 description 3
- 238000013019 agitation Methods 0.000 description 3
- 239000003518 caustics Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 229920000620 organic polymer Polymers 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F29/00—Mixers with rotating receptacles
- B01F29/30—Mixing the contents of individual packages or containers, e.g. by rotating tins or bottles
- B01F29/34—Constructional details of holders for the individual packages or containers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F29/00—Mixers with rotating receptacles
- B01F29/80—Mixers with rotating receptacles rotating about a substantially vertical axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F29/00—Mixers with rotating receptacles
- B01F29/80—Mixers with rotating receptacles rotating about a substantially vertical axis
- B01F29/82—Mixers with rotating receptacles rotating about a substantially vertical axis the receptacle comprising a rotary part, e.g. the bottom, and a stationary part, e.g. the wall, with optional use of a stirrer; the receptacle comprising parts moving in opposite directions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/90—Heating or cooling systems
- B01F2035/99—Heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/40—Mounting or supporting mixing devices or receptacles; Clamping or holding arrangements therefor
- B01F35/43—Supporting receptacles on frames or stands
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Accessories For Mixers (AREA)
Abstract
The embodiment of the invention provides a stirring device, which comprises: the stirring device comprises a stirring head, a fixer, a rotary stirrer and a bracket, wherein the stirring head is fixed at the top end of the bracket and is used for providing rotary power for the rotary stirrer, the fixer is fixed on the bracket and is used for restraining the rotary stirrer to rotate in a fixed range, the rotary stirrer passes through the fixer and is connected with the stirring head, the rotary stirrer is used for fixing a container to enable the container to rotate together with the rotary stirrer, and the bracket is used for supporting the fixer and the stirring head.
Description
Technical Field
The invention relates to the field of stirring experiments, in particular to a stirring device.
Background
Stirring technology is adopted in many experimental scenes in a laboratory, and the stirring process is often carried out in the experimental process of chemical experiments, for example, in high polymer polymerization, most of reactions need to be fully reacted through stirring, and at present, two stirring modes of magnetic stirring and mechanical stirring are commonly adopted.
In the traditional mechanical stirring mode, stirring is directly carried out in the solution, so that turbulence is easy to generate in the liquid. In the process of high molecular polymerization, the existence of turbulence can lead to inconsistent shapes of microsphere particles generated by reaction, the conditions of larger volumes of certain particles and smaller volumes of certain particles occur, and meanwhile, the surface is not smooth, so that the quality of products is influenced.
Disclosure of Invention
The embodiment of the invention provides a stirring device, which is used for reducing turbulence generated in the stirring process of a solution, so that microsphere particles generated by reaction are more uniform to a certain extent, the microsphere surface tends to be smooth, and the quality of a product is improved to a certain extent.
In a first aspect of an embodiment of the present invention, there is provided a stirring apparatus including:
The stirring device comprises a stirring head, a fixer, a rotary stirrer and a bracket, wherein the stirring head is fixed at the top end of the bracket and used for providing rotary power for the rotary stirrer, the fixer is fixed on the bracket and used for restraining the rotary stirrer to rotate in a fixed range, the rotary stirrer passes through the fixer and is connected with the stirring head, the rotary stirrer is used for fixing a container to enable the container to rotate together with the rotary stirrer, and the bracket is used for supporting the fixer and the stirring head.
By adopting the realization mode, the reaction vessel is fixed through the rotary stirrer, and the reaction vessel rotates along with the rotary stirrer through the power provided by the stirring head, so that the reaction liquid in the stirring vessel is stirred in the reaction process and the turbulent flow of the reaction liquid is reduced, thereby enabling the shapes of microsphere particles generated by the reaction to be consistent to a certain extent, enabling the surfaces of the microspheres to be smooth, further improving the quality of products to a certain extent, and the risk of leakage of the reaction gas in the reaction vessel can be reduced to a certain extent because the rotary stirrer is not placed into the reaction vessel as in the traditional mechanical stirring.
Optionally, the fixer comprises at least one ring with the same model, and the circle centers of the rings are on the same straight line.
Optionally, the fixer is cylindrical.
Optionally, the holder is fixed to the support by a sliding fixing device, and the sliding fixing device can move on the support.
Optionally, the rotary agitator comprises a chuck and a connecting rod, wherein plastic material is attached to the chuck, and the plastic material is used for firmly fixing the container and protecting the container.
Optionally, the connecting rod is connected with the stirring head through a movable piece.
Optionally, the connecting rod has a telescopic function.
Optionally, the connecting rod is made of a metal material and is coated with an anti-corrosion material on its surface.
Optionally, the container rotation center axis passes through the connection point of the chuck and the connecting rod of the rotary stirrer and the rotation center of the stirring head.
Optionally, the rotation speed of the stirring head during stirring is increased to the stirring speed at a constant speed.
The embodiment of the invention has the following beneficial effects:
It can be seen that, according to the embodiment of the invention, the reaction vessel is fixed by the rotary stirrer, and the reaction vessel rotates along with the rotary stirrer by the power provided by the stirring head, so that the reaction liquid in the stirring vessel is stirred in the reaction process and the turbulence of the reaction liquid is reduced, thereby enabling the shapes of microsphere particles generated by the reaction to be consistent to a certain extent, enabling the surfaces of the microspheres to be smooth, further improving the quality of the product to a certain extent, and reducing the risk of leakage of the reaction gas in the reaction vessel to a certain extent because the rotary stirrer is not arranged in the reaction vessel as in the conventional mechanical stirring.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a stirring device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of another stirring device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another stirring device according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
Fig. 1 is a schematic structural diagram of a stirring device according to an embodiment of the present invention. Referring to fig. 1, the stirring device includes a stirring head 10, a holder 11, a rotary stirrer 12, and a bracket 13.
Wherein, the stirring head 10 is fixed at the top end of the bracket 13 for providing rotary power for the rotary stirrer 12, the fixer 11 is fixed on the bracket 13 for restraining the rotary stirrer 12 to rotate within a fixed range, the rotary stirrer 12 passes through the fixer 11 to be connected with the stirring head 10, the rotary stirrer 12 is used for fixing a container to rotate together with the rotary stirrer 12, and the bracket 13 is used for supporting the fixer 11 and the stirring head 10.
Optionally, the holder 11 comprises at least one identical ring, the centers of which are on the same straight line. For example, when the number of the rings is one, the position of the ring in fig. 1 may be referred to, and when the number of the rings is plural, the connecting rods connected to the rings are disposed in the same vertical plane and the centers of the circles are on the same straight line, so that the rings can be ensured to form a virtual hollow cylinder at the whole space position, the rotary stirrer 12 can be restrained in the internal area of the circles to rotate, the phenomenon that the rotary stirrer 12 shakes greatly during rotation can be reduced to a certain extent, and the rotary stirrer 12 has a certain stabilizing effect.
Optionally, the fixer 11 is a tube-shape, and the fixer 11 is a tube-shape, can tie up the rotatory agitator 12 and rotate in the inside region of fixer, can reduce rotatory agitator 12 to a certain extent and appear the phenomenon that shakes by a wide margin when rotatory to have certain firm effect to rotatory agitator 12.
Alternatively, the holder 11 is fixed to the bracket using a slide fixture, which is movable on the bracket. The slide fixing device may be, for example, a slide holder that is movable on a bracket, and is capable of adjusting the position of the holder 11 on the bracket, so that the position of the holder 11 after the rotation stirrer 12 is extended and contracted can be adjusted, thereby providing the holder 11 with a certain adjusting function.
Optionally, the rotary agitator 12 includes a chuck to which plastic material is attached for securing the container and protecting the container more firmly, and a connecting rod.
Alternatively, the chuck may be a tripod chuck, a four-pin chuck or a chuck formed by two sheets, for example, plastic materials are attached to the fixing parts of three different pins of the tripod chuck, for example, rubber, organic plastics or inorganic plastics, etc., and the three different pins of the tripod chuck may be provided with a sucker, for example, a rubber sucker, an organic plastics sucker or an inorganic plastics sucker, etc., so that the chuck can better fix the container by adopting the rubber or the sucker, and the container in chemical experiments usually adopts a glass container, and the fixing parts adopt the plastic materials, so that the glass container is not damaged, and meanwhile, the glass container also has a certain protection effect. The chuck formed by the two sheets is: the planes of different thin slices are parallel to each other, plastic materials or plastic suckers are arranged on one side of the two opposite thin slices, one end of the thin slices, which is far away from the joint of the chuck and the connecting rod, is semi-cylindrical, and the thin slices are used for better adhering the container and are firmer when the container is fixed.
Alternatively, the cartridge may be cylindrical with an adjustable diameter of the bottom surface, and a plastic material is disposed within the cartridge to provide a sealing function for the opening of the container 34 while securing the container 34. The plastic material is made of a corrosion-resistant plastic material, such as polypropylene plastic, and the like, and the corrosion-resistant plastic material is used for providing a sealing function for the container 34, so that a certain corrosion-resistant effect can be achieved when corrosive products are generated after substances in the container 34 react, the service life of the chuck can be prolonged, meanwhile, the situation that the common plastic material possibly reacts with the corrosive reaction products to fall into the container 34 can be reduced, the reaction products are influenced to a certain extent, and after falling into the container 34, other reactants are reacted chemically, new chemical reactions are added, so that expected reaction products cannot be obtained, and the normal running of experiments is influenced. At the same time the plastic material provides a sealing function to the opening of the container 34, which reduces to some extent the risk of leakage of the reaction gases in the reaction container 34.
Optionally, the connecting rod is connected with the stirring head through a movable part, the movable part is used for connecting the stirring head with the connecting rod, the movable part cannot rotate around the rotation axis of the stirring head, and the movable part can be made of metal materials, organic polymer materials and the like. The movable piece can be detached for changing different rotary agitators in different agitation scenes.
Optionally, the connecting rod has a telescopic function, and when the container is fixed, the connecting rod can shorten the length of the connecting rod, so that the container is fixed at a proper position, after the fixing is finished, the connecting rod is stretched to enable the container to extend into the heater, and after the container enters the heater, the height of the container in the heater can be finely adjusted, so that the container can reach an optimal heating position.
Optionally, the connecting rod is made of a metal material and is coated with an anti-corrosion material on the surface of the connecting rod, and the coating of the anti-corrosion material can reduce the occurrence of corrosion of the connecting rod caused by corrosive substances possibly generated in chemical reaction to a certain extent.
Optionally, the container rotation axis passes through the connection center of the chuck and the connecting rod of the rotation stirrer 12 and the rotation center of the stirring head 10, so that the stirring head 10, the rotation stirrer 12 and the container can be ensured to rotate along the same axis to a certain extent, and the phenomenon of shaking during rotation can be reduced.
Optionally, the rotation speed of the stirring head 10 during stirring is increased to the stirring speed at a constant speed, so that the occurrence of the condition that the connecting rod bears larger torsion force to deform or drop the connecting rod can be reduced to a certain extent, and the occurrence of the condition that the liquid in the water bath heater generates larger vortex or splashes due to the abrupt increase of the rotation speed can be avoided to a certain extent.
It can be seen that, according to the embodiment of the invention, the reaction vessel is fixed by the rotary stirrer, and the reaction vessel rotates along with the rotary stirrer by the power provided by the stirring head, so that the reaction liquid in the stirring vessel is stirred in the reaction process and the turbulence of the reaction liquid is reduced, thereby enabling the shapes of microsphere particles generated by the reaction to be consistent to a certain extent, enabling the surfaces of the microspheres to be smooth, further improving the quality of the product to a certain extent, and reducing the risk of leakage of the reaction gas in the reaction vessel to a certain extent because the rotary stirrer is not arranged in the reaction vessel as in the conventional mechanical stirring.
Fig. 2 is a schematic structural diagram of another stirring device according to an embodiment of the present invention. Referring to fig. 2, the stirring device includes a stirring head 20, a holder 21, a rotary stirrer 22, and a bracket 23.
Wherein, the stirring head 20 is fixed at the top end of the bracket 23 for providing rotary power for the rotary stirrer 22, the fixing device 21 is fixed on the bracket 23 for restraining the rotary stirrer 22 to rotate within a fixed range, the rotary stirrer 22 passes through the fixing device 21 to be connected with the stirring head 20, the rotary stirrer 22 is used for fixing the container to rotate together with the rotary stirrer 22, and the bracket 23 is used for supporting the fixing device 21 and the stirring head 20.
Optionally, the holder 21 comprises at least one identical ring, the centers of which are on the same straight line. For example, when the number of the rings is one, the position of the ring in fig. 2 may be referred to, and when the number of the rings is plural, the connecting rods connected to the rings are disposed in the same vertical plane and the centers of the circles are on the same straight line, so that the rings can be ensured to form a virtual hollow cylinder in the whole space position, the rotary stirrer 22 can be restrained in the internal area of the circles to rotate, the phenomenon that the rotary stirrer 22 shakes greatly during rotation can be reduced to a certain extent, and the rotary stirrer 22 has a certain stabilizing effect.
Optionally, the fixing device 21 is cylindrical, and the fixing device 21 is cylindrical, so that the rotary stirrer 22 can be restrained in an internal area of the fixing device to rotate, and the phenomenon that the rotary stirrer 22 shakes greatly during rotation can be reduced to a certain extent, so that the rotary stirrer 22 has a certain stabilizing effect.
Alternatively, the holder 21 is fixed to the bracket using a slide fixing device, which is movable on the bracket. The slide fixing device may be, for example, a slide holder that is movable on a bracket, and is capable of adjusting the position of the holder 21 on the bracket, so that the position of the holder 21 after the rotation stirrer 22 is extended and retracted can be adjusted, thereby providing the holder 21 with a certain adjusting function.
Optionally, the rotary agitator 22 includes a chuck to which a plastic material is attached for securing the container and protecting the container more firmly, a connecting rod, and a rotating head.
Alternatively, the chuck may be a tripod chuck, a four-pin chuck or a chuck formed by two sheets, for example, plastic materials are attached to the fixing parts of three different pins of the tripod chuck, for example, rubber, organic plastics or inorganic plastics, etc., and the three different pins of the tripod chuck may be provided with a sucker, for example, a rubber sucker, an organic plastics sucker or an inorganic plastics sucker, etc., so that the chuck can better fix the container by adopting the rubber or the sucker, and the container in chemical experiments usually adopts a glass container, and the fixing parts adopt the plastic materials, so that the glass container is not damaged, and meanwhile, the glass container also has a certain protection effect. The chuck formed by the two sheets is: the planes of different thin slices are parallel to each other, plastic materials or plastic suckers are arranged on one side of the two opposite thin slices, one end of the thin slices, which is far away from the joint of the chuck and the connecting rod, is semi-cylindrical, and the thin slices are used for better adhering the container and are firmer when the container is fixed.
Optionally, the rotating head stretches into the container, can stir the material in the container, and when rotatory agitator rotated, rotatory agitator drove the container and rotated together simultaneously, and the rotation rate of container is greater than the rotation rate of rotating head, and rotating head and rotatory agitator drove the container and rotated together and stir the material and can make the material stir more abundant to this can improve the device in fig. 1 probably produce the insufficient condition of stirring when stirring to a certain extent.
Optionally, the connecting rod is connected with the stirring head through a movable part, the movable part is used for connecting the stirring head with the connecting rod, the movable part cannot rotate around the rotation axis of the stirring head, and the movable part can be made of metal materials, organic polymer materials and the like. The movable piece can be detached for changing different rotary agitators in different agitation scenes.
Optionally, the connecting rod has a telescopic function, and when the container is fixed, the connecting rod can shorten the length of the connecting rod, so that the container is fixed at a proper position, after the fixing is finished, the connecting rod is stretched to stretch the container into the water bath heater, and after the container enters the water bath heater, the height of the container in the water bath heater can be finely adjusted, so that the container can reach an optimal heating position.
Optionally, the connecting rod is made of a metal material and is coated with an anti-corrosion material on the surface of the connecting rod, and the coating of the anti-corrosion material can reduce the occurrence of corrosion of the connecting rod caused by corrosive substances possibly generated in chemical reaction to a certain extent.
Optionally, the container rotation center axis passes through the connection center of the chuck and the connecting rod of the rotation stirrer 22 and the rotation center of the stirring head 20, so that the stirring head 20, the rotation stirrer 22 and the container can be ensured to rotate along the same center axis to a certain extent, and the phenomenon of shaking during rotation can be reduced.
Optionally, the rotation speed of the stirring head 20 during stirring is increased to the stirring speed at a constant speed, so that the occurrence of the condition that the connecting rod is subjected to larger torsion force to deform or drop due to the sudden increase of the rotation speed can be reduced to a certain extent, and the occurrence of the condition that the liquid in the water bath heater generates larger vortex or splashes due to the sudden increase of the rotation speed can be avoided to a certain extent.
According to the embodiment of the invention, the reaction container is fixed by the rotary stirrer, and the reaction container rotates along with the rotary stirrer by the power provided by the stirring head, so that the reaction liquid in the stirring container is stirred in the reaction process and the turbulence of the reaction liquid is reduced, the shape of microsphere particles generated by the reaction tends to be consistent to a certain extent, the surface of the microsphere tends to be smooth, and the quality of the product is improved to a certain extent.
Fig. 3 is a schematic structural diagram of another stirring device according to an embodiment of the present invention. Referring to fig. 3, the stirring device includes a stirring head 30, a holder 31, a rotary stirrer 32, a bracket 33, and a container 34.
Wherein, the stirring head 30 is fixed on the top end of the bracket 33 for providing rotary power for the rotary stirrer 32, the fixing device 31 is fixed on the bracket 33 for restraining the rotary stirrer 32 to rotate within a fixed range, the rotary stirrer 32 passes through the fixing device 31 to be connected with the stirring head 30, the rotary stirrer 32 is used for fixing the container 34 to rotate the container 34 together with the rotary stirrer 32, the bracket 33 is used for supporting the fixing device 31 and the stirring head 30, and the container 34 is used for presenting substances.
Optionally, the holder 31 comprises at least one identical ring, the centers of which are on the same straight line. For example, when the number of the rings is one, the position of the ring in fig. 3 may be referred to, and when the number of the rings is plural, the connecting rods connected to the rings are disposed in the same vertical plane and the centers of the circles are on the same straight line, so that it is ensured that the rings form a virtual hollow cylinder at the overall spatial position, the rotary stirrer 32 can be restrained in the internal region of the circles to rotate, the phenomenon that the rotary stirrer 32 shakes greatly during rotation can be reduced to a certain extent, and the rotary stirrer 32 has a certain stabilizing effect.
Optionally, the fixer 31 is a tube-shape, and the fixer 31 is a tube-shape, can tie up the rotation agitator 32 in the inside region of fixer and rotate, can reduce to a certain extent that the rotation agitator 32 appears the phenomenon of shaking by a wide margin when rotatory to have certain firm effect to rotation agitator 32.
Alternatively, the holder 31 is fixed to the bracket using a slide fixing device, which is movable on the bracket. The slide fixing device may be, for example, a slide holder that is movable on a bracket, and is capable of adjusting the position of the holder 31 on the bracket, so that the position of the holder 31 after the rotation stirrer 32 is extended and retracted can be adjusted, thereby providing the holder 31 with a certain adjusting function.
Optionally, the rotary agitator 32 includes a chuck with plastic material attached thereto for securing the container 34 and protecting the container 34 more firmly, a link, and a swivel head.
Alternatively, the chuck may be a tripod chuck, a four-pin chuck or a chuck formed by two sheets, for example, plastic materials such as rubber, organic plastic or inorganic plastic are attached to the fixing parts of three different pins of the tripod chuck, and the three different pins of the tripod chuck may be provided with a sucker, for example, a rubber sucker, an organic plastic sucker or an inorganic plastic sucker, etc., so that the chuck can better fix the container 34 by adopting a rubber or sucker mode, and the container 34 in a chemical experiment is usually a glass container, and the fixing parts are made of plastic materials, so that the glass container is not damaged, and meanwhile, the glass container also has a certain protection function. The chuck formed by the two sheets is: the planes of different thin sheets are parallel to each other, and plastic materials or plastic suckers are arranged on one side of the two opposite thin sheets, one end of the thin sheet, which is far away from the joint of the chuck and the connecting rod, is semi-cylindrical, so that the container 34 can be better attached, and the container 34 can be fixed more firmly.
Alternatively, the cartridge may be cylindrical with an adjustable diameter of the bottom surface, and a plastic material is disposed within the cartridge to provide a sealing function for the opening of the container 34 while securing the container 34. The plastic material is made of a corrosion-resistant plastic material, such as polypropylene plastic, and the like, and the corrosion-resistant plastic material is used for providing a sealing function for the container 34, so that a certain corrosion-resistant effect can be achieved when corrosive products are generated after substances in the container 34 react, the service life of the chuck can be prolonged, meanwhile, the situation that the common plastic material possibly reacts with the corrosive reaction products to fall into the container 34 can be reduced, the reaction products are influenced to a certain extent, and after falling into the container 34, other reactants are reacted chemically, new chemical reactions are added, so that expected reaction products cannot be obtained, and the normal running of experiments is influenced. At the same time the plastic material provides a sealing function to the opening of the container 34, which reduces to some extent the risk of leakage of the reaction gases in the reaction container 34.
Optionally, the connecting rod is connected with the stirring head through a movable part, the movable part is used for connecting the stirring head with the connecting rod, the movable part cannot rotate around the rotation axis of the stirring head, and the movable part can be made of metal materials, organic polymer materials and the like. The movable piece can be detached for changing different rotary agitators in different agitation scenes.
Optionally, the connecting rod has a telescopic function, and when the container 34 is fixed, the connecting rod can shorten the length of the connecting rod, so that the container 34 is fixed at a proper position, after the fixing is completed, the connecting rod is stretched to enable the container 34 to extend into the water bath heater, and after the container 34 enters the water bath heater, the height of the container 34 in the water bath heater can be finely adjusted, so that the container 34 can reach an optimal heating position.
Optionally, the connecting rod is made of a metal material and is coated with an anti-corrosion material on the surface of the connecting rod, and the coating of the anti-corrosion material can reduce the occurrence of corrosion of the connecting rod caused by corrosive substances possibly generated in chemical reaction to a certain extent.
Optionally, the rotation center axis of the container 34 passes through the connection center of the chuck and the connecting rod of the rotary stirrer 32 and the rotation center of the stirring head 30, so that the stirring head 30, the rotary stirrer 32 and the container 34 can rotate along the same center axis to a certain extent, and the phenomenon of shaking during rotation can be reduced.
Optionally, the rotation speed of the stirring head 30 during stirring is increased to the stirring speed at a constant speed, so that the occurrence of the condition that the connecting rod bears larger torsion force to deform or drop the connecting rod can be reduced to a certain extent, and the occurrence of the condition that the liquid in the water bath heater generates larger turbulence or splashes due to the abrupt increase of the rotation speed can be avoided to a certain extent.
It can be seen that, according to the embodiment of the invention, the reaction vessel is fixed by the rotary stirrer, and the reaction vessel rotates along with the rotary stirrer by the power provided by the stirring head, so that the reaction liquid in the stirring vessel is stirred in the reaction process and the turbulence of the reaction liquid is reduced, thereby enabling the shapes of microsphere particles generated by the reaction to be consistent to a certain extent, enabling the surfaces of the microspheres to be smooth, further improving the quality of the product to a certain extent, and reducing the risk of leakage of the reaction gas in the reaction vessel to a certain extent because the rotary stirrer is not arranged in the reaction vessel as in the conventional mechanical stirring.
Although the invention has been described in connection with specific features and embodiments thereof, it will be apparent that various modifications and combinations can be made without departing from the spirit and scope of the invention. Accordingly, the specification and drawings are merely exemplary illustrations of the present invention as defined in the appended claims and are considered to cover any and all modifications, variations, combinations, or equivalents that fall within the scope of the invention. It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (9)
1. A stirring device, characterized by comprising:
the stirring device comprises a stirring head, a fixer, a rotary stirrer and a bracket, wherein the stirring head is fixed at the top end of the bracket and is used for providing rotary power for the rotary stirrer, the fixer is fixed on the bracket and is used for restraining the rotary stirrer to rotate in a fixed range, the rotary stirrer passes through the fixer and is connected with the stirring head, the rotary stirrer is used for fixing a container to enable the container to rotate together with the rotary stirrer, the bracket is used for supporting the fixer and the stirring head, the rotary stirrer comprises a chuck and a connecting rod, a plastic material is attached to the chuck and is used for enabling the chuck to firmly fix the container and protecting the container, and the connecting rod stretches to enable the container to stretch into a water bath heater.
2. The device of claim 1, wherein the holder comprises at least one ring of the same type, the centers of the rings being collinear.
3. The device of claim 1, wherein the holder is cylindrical.
4. A device according to any one of claims 1 to 3, wherein the holder is secured to a support by a slide securing means, the slide securing means being movable on the support.
5. The apparatus of claim 1, wherein the linkage is coupled to the stirring head by a moveable member.
6. The device of claim 5, wherein the linkage has a telescoping function.
7. The apparatus of claim 5, wherein the connecting rod is made of a metallic material and is coated with a corrosion-resistant material on a surface thereof.
8. The apparatus of claim 1, wherein the vessel rotation axis passes through a point of connection of a chuck of the rotary agitator to the connecting rod and a rotation center of the agitator head.
9. The apparatus of claim 1, wherein the rotational speed of the stirring head is increased at a constant speed to the stirring speed during stirring.
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| CN201711112052.8A CN107812485B (en) | 2017-11-13 | 2017-11-13 | Stirring device |
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| CN201711112052.8A CN107812485B (en) | 2017-11-13 | 2017-11-13 | Stirring device |
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| CN107812485A CN107812485A (en) | 2018-03-20 |
| CN107812485B true CN107812485B (en) | 2024-05-03 |
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| CN201711112052.8A Active CN107812485B (en) | 2017-11-13 | 2017-11-13 | Stirring device |
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| CN107812485A (en) | 2018-03-20 |
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