CN114733378A - Powder mixer - Google Patents
Powder mixer Download PDFInfo
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- CN114733378A CN114733378A CN202210286911.XA CN202210286911A CN114733378A CN 114733378 A CN114733378 A CN 114733378A CN 202210286911 A CN202210286911 A CN 202210286911A CN 114733378 A CN114733378 A CN 114733378A
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- main body
- powder mixer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P30/00—Technologies relating to oil refining and petrochemical industry
- Y02P30/40—Ethylene production
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Abstract
The invention relates to the field of chemical analysis, and discloses a powder mixer which comprises a main body (1) and a sealing cover (2), wherein one end of the main body (1) is provided with an opening, the inner part of the main body is hollow, the sealing cover (2) can be arranged on the opening of the main body (1), at least one group of first salient points (3) are arranged on the inner circumferential surface of the main body (1) at intervals in the circumferential direction, each group of first salient points (3) are arranged at intervals in the vertical direction, and the first salient points (3) are hemispherical bulges from outside to inside. Through the technical content, when the particle mixture of different particle diameters moves along the inner wall of the inner cavity of the main body under the action of external force, the particle mixture can be hindered by the hemispherical convex direction of the first convex point, so that three basic principles of hybrid dynamics are met: the dynamic principle of mutual diffusion, convection and shearing among powder materials has a good mixing effect when the analysis work of mixing a small amount of powder material resin like fat dissolving and the like with other powder materials is carried out.
Description
Technical Field
The invention relates to the field of chemical analysis, in particular to a powder mixer.
Background
The coal chemical industry process realizes the important production process for converting coal into methanol and preparing low-carbon olefin from methanol, and opens up a novel coal chemical industry technical route for producing polyolefin by taking coal as a raw material. The preparation of olefin from coal is an extension of the petrochemical industry of the traditional coal chemical industry in China, is a part of the petroleum replacement strategy in China, and has important demonstration significance. In the production process, polymerization-grade ethylene and propylene raw materials are subjected to polymerization reaction under the action of a catalyst to generate resin powder, and the powder is subjected to a granulation process to obtain the final resin granules. The melt flow rate is an important parameter for adjusting process indexes in the whole resin production process, and the rapid and accurate analysis of the melt flow rate is the key factor in coal chemical production.
Melt mass flow rate is the rate at which molten resin is extruded through a die of specified length and internal diameter under specified conditions of temperature, load and piston position. The mass at the specified time was taken as the melt mass flow rate. In the process of determining the melt flow rate of the resin powder, in order to prevent the powdery sample from contacting with air and being oxidized and degraded to influence the analysis result, an antioxidant is generally added to solve the problem of oxidative degradation. The uniformity of mixing of the sample with the antioxidant is very important. Because the resin powder has the characteristic of easy electrostatic friction, the materials are easily influenced by factors such as static electricity, mixing force, mixing time, charging amount, charging ratio and the like during mixing, so that the mixing is difficult to achieve an ideal effect. When the flow rate of the resin melt is analyzed, the parallel data fluctuation of the unevenly mixed materials is large, and the accuracy of the melt flow rate result is influenced.
Disclosure of Invention
The invention aims to solve the problem of insufficient mixing of powder and an antioxidant in the prior art, and provides a powder mixer which can achieve an ideal mixing effect by using a powder mixing mechanism.
In order to achieve the above object, in one aspect, the present invention provides a powder mixer, including a main body having an opening at one end and being hollow inside, and a cover capable of being disposed on the opening of the main body, where at least one set of circumferentially spaced first protruding points is disposed on an inner circumferential surface of the main body, each set of first protruding points is disposed at intervals in a vertical direction, and the first protruding points are hemispherical protrusions from outside to inside.
Optionally, only one set of the first salient points is arranged on the inner circumferential surface of the main body, and a set of second salient points which are arranged at intervals along an imaginary spiral line which surrounds the central axis of the main body and passes through the two first salient points are arranged between any two adjacent first salient points in the vertical direction.
Optionally, the directions of the imaginary helical lines in which the two adjacent groups of the second salient points are located are opposite.
Optionally, the imaginary spiral line between two adjacent first salient points includes a first semicircular part close to the first salient point on the upper side and a second semicircular part close to the first salient point on the lower side, the lower side of the imaginary spiral line of the first semicircular part is provided with the second salient point tangent thereto, and the upper side of the imaginary spiral line of the second semicircular part is provided with the second salient point tangent thereto.
Optionally, the diameter of the first bump is larger than the diameter of the second bump.
Optionally, a cross-shaped protrusion is arranged at the bottom of the inner cavity of the main body, and the protrusion has a semicircular cross section.
Optionally, an external thread is arranged on the opening of the main body, the sealing cover is of a hollow structure, a cylinder is arranged at the center of the inside of the sealing cover, and an internal thread matched with the external thread on the main body is arranged at the lower part of the cylinder.
Optionally, the cover is provided with a spherical shape.
Optionally, the helix angle of said imaginary helix is 3-10 °.
Optionally, the main body and the cover are made of polytetrafluoroethylene materials.
Through above-mentioned technical scheme, when the particle mixture of different particle diameters moves along the inner wall of main part inner chamber under the exogenic action, can receive the protruding direction of hemisphere of first bump to hinder to satisfy three big fundamental principles of mixed dynamics: the dynamic principle of mutual diffusion, convection and shearing among powder materials has a good mixing effect when the analysis work of mixing a small amount of powder material resin like fat dissolving and the like with other powder materials is carried out.
Drawings
FIG. 1 is a schematic structural view of an embodiment of a powder mixer in the present invention;
FIG. 2 is a schematic view of an embodiment of the body lumen of the present invention deployed;
fig. 3 is a schematic view of an embodiment of a bottom surface of a powder mixer in the present invention.
Description of the reference numerals
1-main body, 2-cover, 3-first salient point, 4-second salient point, 5-imaginary spiral line and 6-bulge.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The invention provides a powder mixer which comprises a main body 1 and a sealing cover 2, wherein one end of the main body 1 is provided with an opening, the inner part of the main body 1 is hollow, the sealing cover 2 can be arranged on the opening of the main body 1, at least one group of first salient points 3 at intervals in the circumferential direction are arranged on the inner circumferential surface of the main body 1, each group of first salient points 3 are arranged at intervals in the vertical direction, and the first salient points 3 are hemispherical bulges from outside to inside.
As shown in fig. 1, main part 1 is equipped with the inner chamber, for the sample that waits to mix provides the mixing space, wait to mix the sample and pour into from the opening of main part 1, then the closing cap 2 through rocking main part 1 after sealing it, make the sample that waits to mix in its main part 1 collide each other and mix, through setting up first bump 3, can make and wait to mix the sample when the motion of main part 1 inner wall, can receive the hindrance of the protruding direction of first bump 3 to increased the collision between waiting to mix the sample, made it mix more fully.
Through the technical content, when the particle mixture of different particle diameters moves along the inner wall of the inner cavity of the main body under the action of external force, the particle mixture can be hindered by the hemispherical convex direction of the first convex point 3, so that three basic principles of hybrid dynamics are met: the dynamic principle of mutual diffusion, convection and shearing among powder materials has a good mixing effect when the analysis work of mixing a small amount of powder material resin like fat dissolving and the like with other powder materials is carried out.
Further, only one set of first bumps 3 is disposed on the inner circumferential surface of the main body 1, and a set of second bumps 4 arranged at intervals along an imaginary spiral line 5 that surrounds the central axis of the main body 1 and passes through the two first bumps 3 is disposed between any two vertically adjacent first bumps 3.
As shown in fig. 2, fig. 2 is an expanded view of the inner peripheral surface of the main body 1, in the present application, a group of first salient points 3 is provided on the inner peripheral surface of the main body 1, the group of first salient points 3 is expanded with the center line of the group of first salient points 3 as a reference, the group of first salient points 3 is evenly divided into two groups of semi-circles, which are respectively located on both sides of the expanded surface, the group of first salient points 3 are provided with 5 uniformly spaced first salient points 3 in the vertical direction, the connecting line of the center points of two first salient points 3 which are arbitrarily adjacent in the vertical direction and respectively located on the left and right sides is an imaginary helical line 5 (the imaginary helical line 5 does not really exist, but is an imaginary line or path), and the imaginary helical line 5 surrounds the central axis of the main body 1, the imaginary helical line 5 is provided with second salient points 4 which are arranged at intervals (the imaginary helical line 5 provides an arrangement path for the second salient points 4), by providing the second salient points 4 which are arranged more densely, the mutual collision of the powders upon shaking can be further increased, thereby increasing the degree of mixing of the samples to be mixed. To the mixed effect of large granule misce bene, can suitably increase the diameter of hemisphere structure and increase the distance between two hemispheres and satisfy the mixing requirement.
Wherein, the directions of the imaginary helical lines 5 where the two adjacent groups of second salient points 4 are located are opposite.
As shown in fig. 1 and 2, the directions of the adjacent imaginary helical lines 5 are opposite, two sets of the second salient points 4 adjacent to each other form two sets of helical structures with opposite directions, and the requirements of transverse convection mixing, diffusion mixing and collision mixing of the mixed materials at the intersection points can be met through the forward and reverse helical structures.
In one embodiment, the imaginary spiral line 5 between two adjacent first salient points 3 includes a first semicircular part close to the upper first salient point 3 and a second semicircular part close to the lower first salient point 3, the lower side of the imaginary spiral line 5 of the first semicircular part is provided with the second salient point 4 tangent thereto, and the upper side of the imaginary spiral line 5 of the second semicircular part is provided with the second salient point 4 tangent thereto.
As shown in fig. 2, the two ends of the unfolding surface are used as starting points, the middle line of the unfolding surface is used as an end point, and the unfolding surface is divided into two parts, wherein the left half part is a first semicircular part, and the right half part is a second semicircular part; the higher left imaginary helix 5 is a positive imaginary helix a, and the higher left imaginary helix 5 is a negative imaginary helix b. In order to uniformly arrange the second salient points 4 and prevent the problems that the second salient points 4 in the positive and negative directions are too close to each other and even overlapped with each other, the second salient points 4 in the first semicircular part are tangent to the upper side of the positive imaginary helical line a and tangent to the lower side of the negative imaginary helical line b; the second salient point 4 in the second semicircular portion is tangent to the upper side of the reverse imaginary spiral line b and to the lower side of the positive imaginary spiral line a. The final effect is that the second bumps 4 are arranged to extend in the direction of the square virtual spiral line with the first bumps 3 as the starting points.
Further, the diameter of the first bump 3 is larger than the diameter of the second bump 4.
Through the experiment detection, through setting up the bump of two kinds of diameter variation in size, can make the collision area of waiting to mix the sample in mixing process different to produce different collision effect, make its effect of mixing better.
Wherein, the bottom of the inner cavity of the main body 1 is provided with a cross-shaped bulge 6, and the bulge 6 has a semicircular section.
As shown in fig. 3, the protrusion 6 is provided at the bottom of the main body 1 to satisfy the mixing effect of the sample to be mixed in both horizontal and vertical directions, and the effective space in the bottle is fully utilized to achieve the mixing effect by shaking the bottle body in multiple directions.
As an embodiment, an external thread is provided on the opening of the main body 1, the cover 2 is a hollow structure, a cylinder is provided at the center of the inside of the cover 2, and an internal thread matching with the external thread on the main body 1 is provided at the lower part of the cylinder.
As shown in fig. 1, a cylinder with internal threads is provided at the center of the cover 2, and the depth of the internal threads of the cylinder is greater than the height of the external threads of the opening of the body 1, so that the opening can be completely screwed into the cover 2, thereby achieving the sealing effect.
Further, the cover 2 is provided in a spherical shape.
As shown in fig. 1, set up closing cap 2 into spherical, can increase the inner space of closing cap 2, mix the back that finishes with the sample, can pour the sample that mixes into closing cap 2 in the reuse spoon take, closing cap 2 still has the effect of container this moment, has increased the convenience of whole operation.
Wherein the helix angle of the imaginary helix 5 is 3-10 °.
As shown in fig. 1 and 2, in the present application, the helix angle of the imaginary helix 5 is 4 °, and the specific helix angle can be selected according to actual requirements.
Further, the main body 1 and the cover 2 are made of polytetrafluoroethylene materials.
Because the resin powder itself has the friction and very easily plays the characteristic of static, consequently choose for use the material of blender for preventing the anti wear-resistant material of static in this application, for example polytetrafluoroethylene material, stainless steel material etc. adopt polytetrafluoroethylene material in this application, can guarantee the mixed effect of material, have good effect of resistance to wear simultaneously.
In the actual production process, the method greatly improves the accuracy of the analysis result of the mass flow rate of the powder melt, reduces the use amount of additives and resin powder, reduces the production cost, improves the working efficiency, and ensures that the production condition can be quickly and accurately reflected, so that a technologist can be guided to adjust the process parameters in time, the product quality is ensured, and the company benefit is improved.
The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention, and these simple modifications and combinations should also be regarded as the disclosure of the invention, and all fall into the protection scope of the invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (10)
1. The utility model provides a powder blender which characterized in that is equipped with opening and inside hollow main part (1) and can set up including one end main part (1) opening upper cover (2), be provided with at least a set of circumference spaced on the inner peripheral surface of main part (1) first bump (3), every group first bump (3) interval sets up in vertical direction, first bump (3) are from outside-in's hemisphere arch.
2. A powder mixer according to claim 1, wherein only one set of the first protrusions (3) is provided on the inner circumferential surface of the main body (1), and a set of the second protrusions (4) arranged at intervals along an imaginary spiral line (5) surrounding the central axis of the main body (1) and passing through the two first protrusions (3) is provided between any adjacent two of the first protrusions (3) in the vertical direction.
3. A powder mixer according to claim 2, wherein the directions of the imaginary helical lines (5) in which two adjacent sets of the second protrusions (4) are located are opposite.
4. A powder mixer according to claim 3, wherein the imaginary spiral line (5) between two adjacent first humps (3) comprises a first semicircular portion of the first hump (3) near the upper side and a second semicircular portion of the first hump (3) near the lower side, the lower side of the imaginary spiral line (5) of the first semicircular portion is provided with the second hump (4) tangent thereto, and the upper side of the imaginary spiral line (5) of the second semicircular portion is provided with the second hump (4) tangent thereto.
5. A powder mixer according to claim 4, wherein the diameter of the first hump (3) is larger than the diameter of the second hump (4).
6. Powder mixer according to claim 1, characterized in that the bottom of the inner cavity of the body (1) is provided with a cross-structured protrusion (6), the protrusion (6) having a semicircular cross-section.
7. A powder mixer according to claim 1, wherein the opening of the main body (1) is provided with an external thread, the cover (2) is of a hollow structure, the inner center of the cover (2) is provided with a cylinder, and the lower part of the cylinder is provided with an internal thread matched with the external thread on the main body (1).
8. A powder mixer according to claim 7, wherein the cover (2) is provided in the shape of a spherical surface.
9. A powder mixer according to claim 4, characterized in that the helix angle of the imaginary helix (5) is 3-10 °.
10. The powder mixer according to claim 1, wherein the main body (1) and the cover (2) are made of polytetrafluoroethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210286911.XA CN114733378B (en) | 2022-03-22 | 2022-03-22 | powder mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210286911.XA CN114733378B (en) | 2022-03-22 | 2022-03-22 | powder mixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114733378A true CN114733378A (en) | 2022-07-12 |
| CN114733378B CN114733378B (en) | 2023-10-20 |
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ID=82277968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210286911.XA Active CN114733378B (en) | 2022-03-22 | 2022-03-22 | powder mixer |
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| CN (1) | CN114733378B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB842692A (en) * | 1961-05-15 | 1960-07-27 | Meyer Schlioma Frenkel | Apparatus for mixing and like processes |
| JP2009136761A (en) * | 2007-12-06 | 2009-06-25 | Fujio Hori | Container rotation-type mixer and heat treatment device |
| CN101646764A (en) * | 2007-02-28 | 2010-02-10 | 金文申有限公司 | High surface cultivation system |
| CN202246245U (en) * | 2011-11-03 | 2012-05-30 | 王杰 | Aerating device with low gas pressure loss |
| CN105214554A (en) * | 2015-11-06 | 2016-01-06 | 西安近代化学研究所 | A kind of zigzag mixing drum blade |
| CN205435600U (en) * | 2015-12-30 | 2016-08-10 | 桂林市和鑫防水装饰材料有限公司 | Stirring device for paint |
| KR20170046266A (en) * | 2015-10-21 | 2017-05-02 | (주)아모레퍼시픽 | Mixing container for blending unequal specific gravity contents simultaneously when the lid open |
| CN107883396A (en) * | 2017-12-19 | 2018-04-06 | 上海齐耀热能工程有限公司 | Powder carry mixing arrangement and burner |
| CN207838775U (en) * | 2017-12-25 | 2018-09-11 | 广东巴沃夫环保科技有限公司 | A kind of high efficiency composition alkali mixing arrangement |
| US20190060851A1 (en) * | 2017-08-03 | 2019-02-28 | Taylor-Cain Corporation | Chemical Mixer Tool and Drum Assembly |
| CN113967563A (en) * | 2020-07-09 | 2022-01-25 | 苏州振州机电科技有限公司 | Mixed rotary gluing head |
| CN114073903A (en) * | 2020-08-18 | 2022-02-22 | 伟泰科技（无锡）有限公司 | Pipeline mixer is used for ultrafiltration system's medicine mixing arrangement that adds |
-
2022
- 2022-03-22 CN CN202210286911.XA patent/CN114733378B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB842692A (en) * | 1961-05-15 | 1960-07-27 | Meyer Schlioma Frenkel | Apparatus for mixing and like processes |
| CN101646764A (en) * | 2007-02-28 | 2010-02-10 | 金文申有限公司 | High surface cultivation system |
| JP2009136761A (en) * | 2007-12-06 | 2009-06-25 | Fujio Hori | Container rotation-type mixer and heat treatment device |
| CN202246245U (en) * | 2011-11-03 | 2012-05-30 | 王杰 | Aerating device with low gas pressure loss |
| KR20170046266A (en) * | 2015-10-21 | 2017-05-02 | (주)아모레퍼시픽 | Mixing container for blending unequal specific gravity contents simultaneously when the lid open |
| CN105214554A (en) * | 2015-11-06 | 2016-01-06 | 西安近代化学研究所 | A kind of zigzag mixing drum blade |
| CN205435600U (en) * | 2015-12-30 | 2016-08-10 | 桂林市和鑫防水装饰材料有限公司 | Stirring device for paint |
| US20190060851A1 (en) * | 2017-08-03 | 2019-02-28 | Taylor-Cain Corporation | Chemical Mixer Tool and Drum Assembly |
| CN107883396A (en) * | 2017-12-19 | 2018-04-06 | 上海齐耀热能工程有限公司 | Powder carry mixing arrangement and burner |
| CN207838775U (en) * | 2017-12-25 | 2018-09-11 | 广东巴沃夫环保科技有限公司 | A kind of high efficiency composition alkali mixing arrangement |
| CN113967563A (en) * | 2020-07-09 | 2022-01-25 | 苏州振州机电科技有限公司 | Mixed rotary gluing head |
| CN114073903A (en) * | 2020-08-18 | 2022-02-22 | 伟泰科技（无锡）有限公司 | Pipeline mixer is used for ultrafiltration system's medicine mixing arrangement that adds |
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| CN114733378B (en) | 2023-10-20 |
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