CN212663550U - Special reaction kettle for organic modification of titanium dioxide - Google Patents
Special reaction kettle for organic modification of titanium dioxide Download PDFInfo
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- CN212663550U CN212663550U CN202021132644.3U CN202021132644U CN212663550U CN 212663550 U CN212663550 U CN 212663550U CN 202021132644 U CN202021132644 U CN 202021132644U CN 212663550 U CN212663550 U CN 212663550U
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Abstract
The utility model discloses a titanium dioxide organic modification's reation kettle is exclusively used in, including the casing and rather than matched with stirring subassembly, the stirring subassembly is configured to include: a stirring shaft; a multilayer stirring mechanism matched with the stirring shaft; a power mechanism which is matched with the stirring shaft to provide a rotating acting force; each layer of stirring mechanism comprises a plurality of rigid stirring paddles in folding connection and flexible stirring sheets arranged at the free ends of the rigid stirring paddles, and a plurality of through holes for adjusting the flow speed and direction of fluid are respectively arranged on the flexible stirring sheets. The utility model provides a titanium dioxide organic modification's reation kettle is exclusively used in, its mode that adopts just gentle stirring to through carrying out perforation processing to flexible stirring piece, introduce high-speed efflux, flexible many body movements, air current disturbance technique, effectively improve the chaos mixed effect of titanium dioxide in the fluid system, strengthen the even degree of material stirring and reaction, shorten material mixing time, reduced the device energy consumption.
Description
Technical Field
The utility model relates to a stirring kettle. More specifically, the utility model relates to a stirring formula reation kettle who is used in titanium dioxide organic modification's the condition under.
Background
Titanium dioxide has excellent chemical stability, thermal stability, non-migration property, strong decolorizing power and covering power, low corrosiveness, no toxicity, no odor, no irritation, safe use and sterilization and deodorization functions, and is an important component of external liniment in the field of medicine and broad-spectrum sunscreen agents in the field of cosmetics. The molecular polarity of titanium dioxide is very strong, and most of the raw materials of medicinal preparations and cosmetics are oily organic media, so that the problem of difficult dispersibility of nano titanium dioxide exists in the practical use, and the surface of the nano titanium dioxide needs to be organically coated and modified to change the hydrophilicity of the titanium dioxide, so that the nano titanium dioxide is better applied to the medicinal preparations and the cosmetics.
In the process of carrying out organic surface modification on titanium dioxide, the method needs to be applied to a stirring type reaction kettle, and due to the defects of the structural design of the existing reaction kettle, the rigid stirring paddle only has the functions of dispersing solid particles and cutting fluid, and can not enable the fluid to shake or move in multiple directions, so that the existing reaction kettle generally has the technical problems of slow chaotic mixing of the fluid, low stirring efficiency, limited stirring area, difficult discharge and the like.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.
The utility model discloses still another purpose provides a reation kettle who is exclusively used in titanium dioxide organic modification, it can be through the cooperation of rigidity stirring rake with flexible stirring piece for the fluid can produce the shake or do the multi-body motion in a plurality of positions, strengthens the energy transfer process, improves the chaotic mixing effect of fluid, and it is inefficient effectively to solve stirring among the prior art, stirs regional limited, arranges the problem of material difficulty.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a reaction vessel for organic modification of titanium dioxide, comprising a housing and a stirring assembly coupled thereto, the stirring assembly being configured to include:
a stirring shaft extending into the shell;
the multilayer stirring mechanism is arranged in the shell and matched with the stirring shaft;
the power mechanism is arranged outside the shell and is matched with the stirring shaft to provide a rotating acting force;
each layer of stirring mechanism comprises a plurality of rigid stirring paddles in folding connection and flexible stirring sheets arranged at the free ends of the rigid stirring paddles;
each flexible stirring sheet is provided with a plurality of through holes for adjusting the flow speed and direction of fluid.
Preferably, the radial width of the flexible stirring sheet is 0.5-1 times of the radial width of the rigid stirring paddle;
the axial length of the flexible stirring sheet is 0.5-1 time of that of the rigid stirring paddle.
Preferably, the thickness of the flexible stirring sheet is configured to be not less than 2 mm;
the aperture of the through hole is configured to be 1 mm-5 mm;
the porosity of the through holes on the flexible stirring sheet is configured to be 20-50%.
Preferably, the material of the flexible stirring sheet is configured to be any one of polytetrafluoroethylene, flexible ABS plastic and silica gel.
Preferably, the interlayer distance of each layer of stirring mechanism is configured to be 20% to 50% of the length of the stirring shaft.
Preferably, the stirring mechanisms are configured into 2-4 layers, each layer of stirring mechanism is radially connected with 2-3 folding rigid stirring paddles, and each rigid stirring paddle is connected with the flexible stirring sheet in a bolt or bonding mode.
Preferably, a feed inlet and a discharge outlet are respectively arranged at corresponding positions of the shell.
Preferably, the bottom of the shell is further provided with a one-way airflow purging assembly, which is configured to include:
the air inlet pipe is arranged at the bottom of the shell and is communicated with the external air outlet device, and a three-way electromagnetic valve is arranged on the air inlet pipe;
the baffle plate is arranged above the air inlet and has a preset distance with the bottom of the stirring assembly, and a plurality of air passages are arranged on the baffle plate;
wherein, each air passage is respectively provided with a matched one-way airflow float valve.
Preferably, the housing is configured to adopt a detachable three-stage structure.
The utility model discloses at least, include following beneficial effect: one of which, the utility model discloses a set up the stirring subassembly of the hard and soft combination of multilayer book formula of particular structure, the hard and soft combination stirring rake of multilayer book formula has not only kept the dispersion of book formula stirring rake to solid particle and fluidic cutting action at the stirring in-process, and flexible piece stirring in-process can constantly shake or do the multi-body motion simultaneously, reinforces the energy transfer process, improves fluidic chaos and mixes the effect, and stirring efficiency obtains effectively promoting, and the stirring region is wideer, is favorable to the later stage to arrange the material.
Two, the utility model discloses a perforation processing has all been carried out to every flexible stirring piece, makes it produce many high-speed efflux at the stirring in-process to increase the speed gradient and the degree of turbulence of mixing the system, increase paddle energy transfer utilization ratio guarantees that it realizes better fluid mixing effect under the condition of lower rotational speed, thereby shortens material mixing time, reduces the device energy consumption.
Thirdly, the utility model discloses a set up the one-way subassembly that sweeps of air current bottom the casing, utilize the one-way effect that switches on of one-way air current float valve, the baffle is in the encapsulated situation when not ventilating, and after the leading-in gas of air inlet, through to fluid carrier gas in the casing, improves fluidic axial motion power and torrent degree, and reinforcing mixing efficiency breaks bottom stirring "blind spot" that exists in the flow field, effectively avoids arranging the emergence of the material jam condition.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic structural diagram of a reaction kettle dedicated to organic modification of titanium dioxide in one embodiment of the present invention;
description of the drawings: the stirring device comprises a shell 1, a stirring shaft 2, a rigid stirring paddle 3, a flexible stirring sheet with 4 through holes, a discharge hole 5, an air inlet 6, a three-way electromagnetic valve 7, a one-way airflow distribution plate 8, a bolt 9, a solid or liquid feed inlet 10, a driving motor 11, a stirring assembly 12, a stirring mechanism 13, a one-way airflow purging assembly 14 and an air passage 15.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
It should be noted that in the description of the present invention, the terms indicating the orientation or the positional relationship are based on the orientation or the positional relationship shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected," may be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or connected between two elements.
Fig. 1 shows a special reactor implementation form for organic modification of titanium dioxide according to the present invention, which includes a housing 1 and a stirring component 12 matched with the housing, the housing is used for containing fluid or dry material, the stirring component stirs the fluid or dry material to make it mix thoroughly, the stirring component is configured to include:
a stirring shaft 2 extending into the shell;
a multilayer stirring mechanism 13 which is arranged inside the shell and is matched with the stirring shaft;
the power mechanism (driving motor) of the stirring assembly generates corresponding rotating acting force, and the rotating acting force is transmitted and output to the stirring shaft through the power output end on the driving motor, so that each layer of stirring mechanism rotates in the shell under the action of the stirring shaft, and fluid or materials in the shell are rotationally mixed at a space height;
wherein, each layer of stirring mechanism comprises a plurality of rigid stirring paddles 3 connected in a folding way and flexible stirring blades 4 arranged at the free ends of the rigid stirring paddles, the folding connection in the structure means that each layer of stirring mechanism is arranged on each node of the stirring shaft, each node and the stirring shaft can be of an integral structure or can be fixedly connected through bolts or welding, the matching connection mode of the rigid stirring paddles and each node is a preset inclination angle with each node, namely the rigid stirring blades are obliquely arranged on each node and are called folding connection, the connection mode of the rigid stirring paddles and the nodes can be connected by bolts or welding, and the matching of the flexible stirring blades and the rigid stirring paddles ensures that each layer of stirring mechanism is rigidly and flexibly combined, thus realizing the dispersion of solid particles and the cutting action of fluid, and simultaneously the flexible stirring blades can continuously shake or do multi-body movement in the stirring process, the energy transfer process is strengthened, the chaotic mixing effect of the fluid is improved, and the problems of low stirring efficiency, limited stirring area and difficult discharge in the background technology are effectively solved;
the flexible stirring sheets on each layer are perforated, so that a plurality of high-speed jet flows are generated in the stirring process, the speed gradient and the turbulence degree of a mixing system are increased, the energy transfer utilization rate of the blades is increased, the better fluid mixing effect is realized under the condition of lower rotating speed, the material mixing time is shortened, and the energy consumption of the device is reduced.
In another example, the radial width of the flexible stirring sheet is configured to be 0.5-1 times of the radial width of the rigid stirring paddle;
the axial length configuration of flexible stirring piece is 0.5 ~ 1 times of rigid stirring oar axial length, and the relevant parameter configuration through flexible stirring piece in this kind of structure for its cooperation effect with rigid stirring oar is better, and the fluid mixes sooner, guarantees equipment structure complex stability simultaneously, reduces the damage to flexible stirring piece.
In another example, the thickness of the flexible stirring sheet is configured to be not less than 2 mm;
the aperture of the through hole is configured to be 1 mm-5 mm;
the porosity of the through holes on the flexible stirring sheet is configured to be 20% -50%, in the structure, the thickness of the flexible stirring sheet is limited, so that the physical structure stability of the flexible stirring sheet provided with the through holes is controllable, the aperture of the through holes and the parameter of the porosity are limited, the fluid jet speed is controllable, the amount of the fluid jet is controllable, the speed gradient and the turbulence degree of a mixing system can be controlled, and the good fluid mixing effect can be realized at a lower rotating speed.
In another example, the material of the flexible stirring sheet is configured to be any one of polytetrafluoroethylene, flexible ABS plastic and silicone, in this scheme, the material of the flexible stirring sheet is defined, so that in the actual stirring process, the flexible stirring sheet itself has a shaking property through a flexible structure, and during the rotation process, the fluid applies different forces to the flexible stirring sheet from different directions and different positions, so that the flexible stirring sheet can shake in different states, different positions and different degrees, and form multi-body motion in different directions at spatial positions.
In another example, the interlayer spacing of each layer of stirring mechanism is configured to be 20% -50% of the length of the stirring shaft, and the layer density is limited, so that the stirring shaft can be matched with materials in different spatial positions in the shell, and the stirring and mixing effect of the materials in the shell is ensured to meet the requirement.
In another example, as shown in fig. 1, the stirring mechanisms are arranged in 2-4 layers, each layer of stirring mechanism is radially connected with 2-3 folding rigid stirring paddles, and each rigid stirring paddle is connected with the flexible stirring sheet through a bolt 9 or a bonding manner, in this structure, the number of layers of the stirring mechanism and the number of the rigid stirring paddles are limited, so that the mixing and stirring effect of the rigid stirring paddles and the material can meet the use requirement, the connection manner of the rigid stirring paddles and the flexible stirring sheet can adopt other connection manners besides the bolt and the bonding, the bolt connection is adopted, so that the rigid stirring paddles and the flexible stirring sheet can be replaced and maintained according to the use requirement, the bonding is adopted to ensure the surface flatness of the rigid stirring paddles, and the attachment of the fluid is reduced.
In another example, as shown in fig. 1, a feed port 10 and a discharge port 5 are respectively arranged at corresponding positions of the housing, and in this structure, the housing can be in a sealed state for a long time and only needs to be opened during cleaning or maintenance, and feeding and discharging in operation are not affected.
In another example, as shown in fig. 1, the bottom of the housing is further provided with a one-way gas flow purge assembly 14 configured to include:
an air inlet pipe 6 arranged at the bottom of the shell and communicated with an external air outlet device, and a three-way electromagnetic valve 7 is arranged on the air inlet pipe;
a partition plate 8 disposed above the air inlet and having a predetermined distance from the bottom of the agitating assembly, and having a plurality of air passages 15 formed thereon;
wherein, each air passage is respectively provided with a matched one-way airflow floating valve (not shown), in the structure, the inside of the shell is divided into a double-layer structure by arranging a clapboard, the air passage is under the action of the one-way airflow floating valve, under the condition that the air passage is not ventilated, fluid can be always positioned above the clapboard, when the air passage is filled with gas, the one-way airflow floating valve is opened and communicated under the action of gas flow, so that the gas enters the upper layer of the shell, the gas entering the upper layer of the shell enters the material in real time, a one-way airflow sweeping component is formed inside the shell, the axial motion power and the turbulence degree of the fluid are effectively improved, the mixing efficiency is enhanced, the bottom stirring 'dead zone' existing in a flow field is broken, the blocking condition of discharging is effectively avoided, the structure of the one-way airflow floating valve is similar to a valve plate, and the diameter of the valve plate is larger, can with the pivot of air flue upper end, can overturn under gaseous impetus and open, cooperate the effect of spring again, reply to initial position under the effect that does not have atmospheric pressure, the valve block also can with the spring fixed connection of setting in the air flue, the formula that rises under gaseous impetus is opened, cooperate the effect of spring again, reply to initial position under the effect that does not have atmospheric pressure, and under the structure that has set up the baffle, the discharge gate should set up in the baffle top.
In another example, the casing is configured to adopt the detachable syllogic structure, adopts the structure of syllogic, cooperation bolt and gas tightness sealing washer for each section structure complex stability is good, and the segmentation structure can be as required to the rabbling mechanism in the pivot subassembly, baffle, the one-way air current float valve etc. in the one-way air current sweeping subassembly overhaul, maintain, clean, and the adaptability is better.
The above embodiments are merely illustrative of a preferred embodiment, but not limiting. When the utility model is implemented, the proper replacement and/or modification can be carried out according to the requirements of users.
Example (b):
this embodiment includes casing 1, agitating unit and airflow distribution board, be equipped with feed inlet 10 on casing 1, intake pipe 6 and discharge gate 5, agitating unit installs in casing 1, agitating unit mainly comprises (mixing) shaft 2, rigidity stirring paddle leaf 3 and perforation flexible stirring paddle leaf 4, rigidity stirring paddle leaf stirring leaf 3 is installed on (mixing) shaft 2, (mixing) shaft 2 links to each other with motor 11, be equipped with baffle 8 in the below of stirring leaf, be provided with a plurality of air flues 15 that carry out the direction to airflow distribution on it, be equipped with board-like one-way air current float valve on each air flue.
The stirring shaft is provided with 2 layers of stirring mechanisms, each stirring mechanism can be regarded as a node matched with the stirring shaft, each node is symmetrically connected with 2 folding rigid stirring paddles, and each rigid stirring paddle is correspondingly connected with a flexible stirring blade which is of a rectangular structure and is provided with a through hole along the radial tail end through a bolt. The radial width of the perforated flexible sheet is controlled to be 0.6 times of the radial width of the rigid stirring paddle blade. The axial length of the perforated flexible sheet is controlled to be 1.0 time of the axial length of the rigid stirring paddle blade. The thickness of the perforated flexible sheet is 3mm, the diameter of a perforation hole is 2mm, and the porosity of the flexible sheet is 50%. The perforated flexible sheet is made of silica gel, and the interlayer spacing of the nodes is 40% of the diameter of the stirring shaft. The thickness of the airflow distribution plate is 1cm, the porosity is 20%, and the diameter of the float valve is 1 mm. According to the embodiment, the chaotic mixing effect of titanium dioxide in a fluid system is effectively improved by simultaneously introducing high-speed jet flow, flexible multi-body motion and air flow disturbance technologies, the uniformity of material stirring and reaction is enhanced, the material mixing time is shortened, the energy consumption of the device is reduced, a bottom stirring dead zone possibly existing in a flow field is broken through, and the situation of blockage of discharged materials is effectively avoided.
The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art. The invention is therefore not to be limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (9)
1. A special-purpose reaction kettle for organically modifying titanium dioxide, which comprises a shell and a stirring component matched with the shell, and is characterized in that the stirring component is configured to comprise:
a stirring shaft extending into the shell;
the multilayer stirring mechanism is arranged in the shell and matched with the stirring shaft;
the power mechanism is arranged outside the shell and is matched with the stirring shaft to provide a rotating acting force;
each layer of stirring mechanism comprises a plurality of rigid stirring paddles in folding connection and flexible stirring sheets arranged at the free ends of the rigid stirring paddles;
each flexible stirring sheet is provided with a plurality of through holes for adjusting the flow speed and direction of fluid.
2. The reaction kettle special for organically modifying titanium dioxide according to claim 1, wherein the radial width of the flexible stirring sheet is configured to be 0.5 to 1 time of the radial width of the rigid stirring paddle;
the axial length of the flexible stirring sheet is 0.5-1 time of that of the rigid stirring paddle.
3. The special reaction kettle for organically modifying titanium dioxide as claimed in claim 1, wherein the thickness of the flexible stirring sheet is configured to be not less than 2 mm;
the aperture of the through hole is configured to be 1 mm-5 mm;
the porosity of the through holes on the flexible stirring sheet is configured to be 20-50%.
4. The reaction kettle special for organically modifying titanium dioxide according to claim 1, wherein the material of the flexible stirring sheet is configured to be any one of polytetrafluoroethylene, flexible ABS plastic and silica gel.
5. The reactor special for organically modifying titanium dioxide according to claim 1, wherein the interlayer distance of each layer of stirring mechanism is configured to be 20% to 50% of the length of the stirring shaft.
6. The special reaction kettle for organically modifying titanium dioxide as claimed in claim 1, wherein the stirring mechanisms are configured into 2-4 layers, each layer of stirring mechanism is radially connected with 2-3 folding rigid stirring paddles, and each rigid stirring paddle is connected with the flexible stirring blade through a bolt or an adhesive.
7. The special reaction kettle for organically modifying titanium dioxide according to claim 1, wherein a feed inlet and a discharge outlet are respectively arranged at corresponding positions of the shell.
8. The reaction kettle special for organically modifying titanium dioxide according to claim 1, wherein the bottom of the shell is further provided with a one-way airflow purging assembly configured to include:
the air inlet pipe is arranged at the bottom of the shell and is communicated with the external air outlet device, and a three-way electromagnetic valve is arranged on the air inlet pipe;
the baffle plate is arranged above the air inlet and has a preset distance with the bottom of the stirring assembly, and a plurality of air passages are arranged on the baffle plate;
wherein, each air passage is respectively provided with a matched one-way airflow float valve.
9. The reactor vessel special for organically modifying titanium dioxide according to claim 8, wherein the shell is configured to adopt a detachable three-stage structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021132644.3U CN212663550U (en) | 2020-06-17 | 2020-06-17 | Special reaction kettle for organic modification of titanium dioxide |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021132644.3U CN212663550U (en) | 2020-06-17 | 2020-06-17 | Special reaction kettle for organic modification of titanium dioxide |
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| CN212663550U true CN212663550U (en) | 2021-03-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114177865A (en) * | 2021-12-01 | 2022-03-15 | 昆明理工大学 | Rigid-flexible splicing stirring device and chaotic variable-frequency stirring method thereof |
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2020
- 2020-06-17 CN CN202021132644.3U patent/CN212663550U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114177865A (en) * | 2021-12-01 | 2022-03-15 | 昆明理工大学 | Rigid-flexible splicing stirring device and chaotic variable-frequency stirring method thereof |
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