CN213885907U - Dispersion blending kettle for production of redispersible latex powder - Google Patents
Dispersion blending kettle for production of redispersible latex powder Download PDFInfo
- Publication number
- CN213885907U CN213885907U CN202021708316.3U CN202021708316U CN213885907U CN 213885907 U CN213885907 U CN 213885907U CN 202021708316 U CN202021708316 U CN 202021708316U CN 213885907 U CN213885907 U CN 213885907U
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- Prior art keywords
- stirring
- latex powder
- blending kettle
- producing
- cavity
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- Expired - Fee Related
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- 239000000843 powder Substances 0.000 title claims abstract description 21
- 239000004816 latex Substances 0.000 title claims abstract description 16
- 229920000126 latex Polymers 0.000 title claims abstract description 16
- 239000006185 dispersion Substances 0.000 title claims abstract description 9
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 6
- 238000002156 mixing Methods 0.000 title claims description 18
- 238000003756 stirring Methods 0.000 claims abstract description 80
- 230000003139 buffering effect Effects 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 239000000839 emulsion Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 239000006260 foam Substances 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 5
- 239000000084 colloidal system Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 238000001694 spray drying Methods 0.000 description 4
- 239000002518 antifoaming agent Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000008247 solid mixture Substances 0.000 description 1
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model provides a dispersion allotment cauldron is used in production of redispersible latex powder, includes the stirring cavity, is equipped with the pan feeding mouth in one side of stirring cavity, is equipped with a agitator in the bottom of stirring cavity, is equipped with a driving shaft on the agitator, the driving shaft passes the setting of stirring cavity from top to bottom, is equipped with a rotating electrical machines at the tip of driving shaft, is equipped with a discharge gate in the lower part of stirring cavity. This application adopts the agitator of putting down for it can guarantee when stirring, can produce the effect of spiral stirring, thereby under the prerequisite of guaranteeing stirring efficiency, can also reduce the possibility that produces the foam.
Description
Technical Field
The application relates to a dispersion blending kettle for producing redispersible latex powder.
Background
Dispersible latex powders are water-soluble redispersible powders and are generally synthesized by the following procedure. S1, preparing a protective colloid: mixing and heating protective colloid powder with the compounding amount with water in a reaction kettle to prepare glue, adding a defoaming agent, heating and preserving heat to form transparent viscous protective colloid, wherein the viscosity reaches 2500MPas, and the solid content reaches 19.5-20.5%. S2, preparing a dispersion liquid: placing the prepared protective colloid in a blending kettle, then adding the polymer emulsion with the mixture amount, uniformly mixing, adding the defoaming agent and adding water to adjust the viscosity to 70-200MPas and the solid content to 39% -42%, and heating to 50-55 ℃ for later use; s3, spray drying: opening a spray drying tower, heating to a temperature of 140-; s4, cooling and separating: keeping the temperature of airflow at the air outlet of the spray drying tower at 79-81 ℃, rapidly guiding the gas-solid mixture out from the air outlet at the lower part of the spray drying tower, cooling, guiding the mixture into a large-scale cloth bag dust collector, separating powder in the airflow, and sieving the separated powder in a grading manner to obtain the finished product of the redispersed latex powder.
In the process of preparing the dispersion liquid, uniform mixing is the one hand, but most of the existing stirring modes adopt a stirring mechanism to carry out physical contact stirring, so that a large amount of foams are easily generated. In order to avoid foaming, a defoaming agent is generally added, which increases the cost objectively and sometimes affects the quality of the latex powder, and brings many disadvantages to the whole production process.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, this application provides a dispersion blending kettle is used in production of redispersible latex powder, including stirring cavity, be equipped with the pan feeding mouth in one side of stirring cavity, be equipped with a agitator in stirring cavity's bottom, be equipped with a driving shaft on the agitator, the driving shaft passes the setting of stirring cavity from top to bottom, is equipped with a rotating electrical machines at the tip of driving shaft, is equipped with a discharge gate in stirring cavity's lower part. This application adopts the agitator of putting down for it can guarantee when stirring, can produce the effect of spiral stirring, thereby under the prerequisite of guaranteeing stirring efficiency, can also reduce the possibility that produces the foam.
Preferably, the stirring cavity comprises an upper stirring part, and the stirrer extends into the upper stirring part.
Preferably, a plurality of baffles are arranged on the shell of the stirring cavity corresponding to the upper stirring part, and the top end of the stirrer is arranged within the range of the baffles.
Preferably, the feeding port is arranged between adjacent baffles.
Preferably, be equipped with a necking portion in the below of last stirring portion, the cross-sectional area of necking portion from top to bottom reduces gradually, still is equipped with a buffering ejection of compact chamber in the below of necking portion, and the discharge gate sets up with buffering ejection of compact chamber intercommunication.
Preferably, a filter plate is arranged between the necking part and the buffering discharging cavity.
Preferably, the agitator is positioned above the filter plate. This application has carried out the optimal design to a certain extent to stirring cavity, sets up complex last stirring portion and agitator promptly, and the agitator stirs in last stirring portion, produces the heliciform swirl, under the prerequisite that reduces the agitator and wait to stir the contact of article, can also guarantee the stirring effect, progressively immigrated neck portion, filter and buffering play material chamber after the stirring, outside the shifting-out device.
Preferably, the filter plate comprises a first partition plate, a filter screen and a second partition plate which are sequentially arranged from top to bottom, and the first partition plate and the second partition plate are connected through bolts and nuts.
Preferably, the agitator includes a support body in a circular truncated cone shape, and a helical agitating blade is provided outside the support body.
Preferably, the stirring blades are uniformly arranged with respect to the height of the support surface. The circular platform support body and the stirring blades which are arranged in a matched mode can promote the formation of V-shaped vortexes, and therefore the whole mixing operation is enhanced under the action of the baffle.
This application can bring following beneficial effect:
1. the lower stirrer is adopted, so that the spiral stirring effect can be generated during stirring, and the possibility of generating foam can be reduced on the premise of ensuring the stirring efficiency;
2. according to the stirring device, the stirring cavity is optimally designed to a certain extent, namely, the upper stirring part and the stirrer are matched, the stirrer is used for stirring in the upper stirring part to generate a spiral vortex, the stirring effect can be ensured on the premise of reducing the contact between the stirrer and an object to be stirred, and the stirring cavity is gradually moved into the necking part, the filtering plate and the buffering discharging cavity and is moved out of the device after stirring;
3. the circular platform support body and the stirring blades which are arranged in a matched mode can promote the formation of V-shaped vortexes, and therefore the whole mixing operation is enhanced under the action of the baffle.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic structural diagram of the present application;
FIG. 2 is a schematic top view of the present application;
FIG. 3 is a schematic view of the filter plate structure.
Detailed Description
In order to clearly explain the technical features of the present invention, the present application will be explained in detail by the following embodiments in combination with the accompanying drawings.
As shown in the drawings, the following detailed description is given by way of example in order to more clearly explain the overall concept of the present application.
In addition, in the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In a first embodiment, as shown in fig. 1-3, a dispersion blending kettle for producing redispersible latex powder comprises a stirring chamber 1, a feeding port 2 is disposed at one side of the stirring chamber 1, a stirrer 3 is disposed at the bottom of the stirring chamber 1, a driving shaft 15 is disposed on the stirrer 3, the driving shaft 15 penetrates through the stirring chamber 1 from top to bottom, a rotating motor 16 is disposed at the end of the driving shaft 15, and a discharging port is disposed at the lower part of the stirring chamber 1. The stirring cavity 1 comprises an upper stirring part 5, and the stirrer 3 extends into the upper stirring part 5. A plurality of baffles 4 are arranged on the shell of the stirring cavity 1 corresponding to the upper stirring part 5, and the top end of the stirrer 3 is arranged within the range of the baffles 4. The feeding port 2 is arranged between the adjacent baffles 4. A necking part 6 is arranged below the upper stirring part 5, the cross section area of the necking part 6 is gradually reduced from top to bottom, a buffer discharging cavity 7 is further arranged below the necking part 6, and a discharging hole 8 is communicated with the buffer discharging cavity 7. A filter plate 9 is arranged between the necking part 6 and the buffering discharging cavity 7. The stirrer 3 is placed above the filter plate 9. The filter 9 includes first baffle 10, filter screen 11 and the second baffle 12 that sets gradually from the top down, connects the setting through bolt and nut between first baffle 10 and the second baffle 12. The agitator 3 includes a support 13 in the shape of a circular truncated cone, and a helical agitating blade 14 is provided on the outer side of the support 13. The stirring blades 14 are uniformly disposed with respect to the height of the support surface.
During the use, arrange all kinds of mixtures in stirring chamber 1 from pan feeding mouth 2, agitator 3 stirs in last stirring portion 5, produce the heliciform swirl, under the prerequisite that reduces agitator 3 and wait to stir the contact of article, can also guarantee the stirring effect, progressively immigrated necking portion 6 after the stirring, filter 9 and buffering play material chamber 7, shift-out device is outside, earlier stage because the length of churning time, probably can't reach the effect, need reciprocate the stirring with above-mentioned material, reprocess, when the effect of stirring satisfies the requirement, then carry out lasting feeding and the ejection of compact that lasts can.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (8)
1. The utility model provides a redispersible emulsion powder production is with dispersion allotment cauldron which characterized in that: the stirring device comprises a stirring cavity, wherein a feeding hole is formed in one side of the stirring cavity, a stirrer is arranged at the bottom of the stirring cavity, a driving shaft is arranged on the stirrer, the driving shaft penetrates through the stirring cavity from top to bottom, a rotating motor is arranged at the end part of the driving shaft, and a discharging hole is formed in the lower part of the stirring cavity; the stirring cavity comprises an upper stirring part, and the stirrer extends into the upper stirring part; a plurality of baffles are arranged on the shell of the stirring cavity corresponding to the upper stirring part, and the top end of the stirrer is arranged within the range of the baffles.
2. The dispersing liquid blending kettle for producing the re-dispersible latex powder of claim 1, which is characterized in that: the feeding port is arranged between the adjacent baffles.
3. The dispersing liquid blending kettle for producing the re-dispersible latex powder of claim 1, which is characterized in that: the lower part of last stirring portion is equipped with a throat, the cross-sectional area of throat from top to bottom reduces gradually, still is equipped with a buffering ejection of compact chamber in the below of throat, and the discharge gate sets up with buffering ejection of compact chamber intercommunication.
4. The dispersing liquid blending kettle for producing the re-dispersible latex powder of claim 3, which is characterized in that: a filter plate is arranged between the necking part and the buffering discharging cavity.
5. The dispersing liquid blending kettle for producing the re-dispersible latex powder of claim 4, which is characterized in that: the agitator is placed above the filter plate.
6. The dispersing liquid blending kettle for producing the re-dispersible latex powder of claim 5, which is characterized in that: the filter includes first baffle, filter screen and the second baffle that sets gradually from the top down, connects the setting through bolt and nut between first baffle and the second baffle.
7. The dispersing liquid blending kettle for producing the re-dispersible latex powder of claim 1, which is characterized in that: the stirrer comprises a support body in the shape of a circular truncated cone, and a spiral stirring blade is arranged on the outer side of the support body.
8. The dispersing liquid blending kettle for producing the re-dispersible latex powder of claim 7, which is characterized in that: the stirring blades are uniformly arranged relative to the height of the surface of the support body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021708316.3U CN213885907U (en) | 2020-08-14 | 2020-08-14 | Dispersion blending kettle for production of redispersible latex powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021708316.3U CN213885907U (en) | 2020-08-14 | 2020-08-14 | Dispersion blending kettle for production of redispersible latex powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213885907U true CN213885907U (en) | 2021-08-06 |
Family
ID=77097655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021708316.3U Expired - Fee Related CN213885907U (en) | 2020-08-14 | 2020-08-14 | Dispersion blending kettle for production of redispersible latex powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213885907U (en) |
-
2020
- 2020-08-14 CN CN202021708316.3U patent/CN213885907U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210806 |