CN114733378B - powder mixer - Google Patents
powder mixer Download PDFInfo
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- CN114733378B CN114733378B CN202210286911.XA CN202210286911A CN114733378B CN 114733378 B CN114733378 B CN 114733378B CN 202210286911 A CN202210286911 A CN 202210286911A CN 114733378 B CN114733378 B CN 114733378B
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- main body
- powder mixer
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- points
- imaginary spiral
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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
Abstract
The application relates to the field of chemical analysis, and discloses a powder mixer which comprises a main body (1) with an opening at one end and a hollow interior and a sealing cover (2) capable of being arranged on the opening of the main body (1), wherein at least one group of circumferentially-spaced first protruding points (3) are arranged on the inner peripheral surface of the main body (1), each group of first protruding points (3) are arranged at intervals in the vertical direction, and the first protruding points (3) are hemispherical protrusions from outside to inside. Through the technical content, when the particle mixture with 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 blocked by the hemispherical protrusion direction of the first salient point, so that three basic principles of mixing dynamics are satisfied: the dynamic principles of mutual diffusion, convection and shearing among the powder materials have good mixing effect when the analysis work of mixing a small amount of powder materials such as resin like dissolved fat with other powder materials is carried out.
Description
Technical Field
The application relates to the field of chemical analysis, in particular to a powder mixer.
Background
The coal chemical process realizes the important production process of converting coal into methanol to prepare low-carbon olefin, and opens up a novel coal chemical technical route for producing polyolefin by taking coal as a raw material. The coal-to-olefin is an extension of the traditional coal chemical engineering petrochemical engineering in China, is a part of petroleum substitution strategy in China, and has important demonstration significance. In the production process, polymerization grade ethylene and propylene raw materials are polymerized under the action of a catalyst to generate resin powder, and the final resin granules are obtained through a granulating process. The melt flow rate is an important parameter for adjusting the process index in the whole resin production process, and the rapid and accurate analysis of the melt flow rate is important in the coal chemical production.
Melt mass flow rate is the rate at which molten resin is extruded through a die of specified length and inside diameter under specified temperature, load and piston position conditions. The mass of the melt was taken as the mass flow rate for a prescribed period of time. In the process of measuring the melt flow rate of the resin powder, in order to prevent the powder sample from being oxidized and degraded by contact with air 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 static electricity generation due to friction, the materials are easily affected by static electricity, mixing force, mixing time, loading quantity, loading ratio and other factors during mixing, so that the ideal effect of mixing is difficult to achieve. When the melt flow rate of the resin is analyzed, the parallel data fluctuation is large, and the accuracy of the melt flow rate result is affected.
Disclosure of Invention
The application 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, according to one aspect of the present application, there is provided a powder mixer comprising a main body having an opening at one end and being hollow in the interior, and a cover capable of being provided on the opening of the main body, wherein at least one set of circumferentially spaced first protruding points are provided on an inner circumferential surface of the main body, each set of first protruding points are vertically spaced, and the first protruding points are hemispherical protrusions protruding from the outside to the inside.
Optionally, the inner peripheral surface of the main body is provided with only one group of first salient points, and a group 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, directions of the imaginary spiral lines where the two adjacent groups of the second salient points are located are opposite.
Optionally, the imaginary spiral line between two adjacent first salient points comprises 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 to the first semicircular part, and the upper side of the imaginary spiral line of the second semicircular part is provided with the second salient point tangent to the second semicircular part.
Optionally, the diameter of the first bump is larger than the diameter of the second bump.
Optionally, a protrusion with a cross structure is arranged at the bottom of the inner cavity of the main body, and the protrusion has a semicircular 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 in the center of the inner part 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 in a spherical shape.
Optionally, the helical pitch of the imaginary helical line is 3-10 °.
Optionally, the main body and the cover are made of polytetrafluoroethylene materials.
Through the technical scheme, when the particle mixture with 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 blocked by the hemispherical protrusion direction of the first salient point, so that three basic principles of mixing dynamics are satisfied: the dynamic principles of mutual diffusion, convection and shearing among the powder materials have good mixing effect when the analysis work of mixing a small amount of powder materials such as resin like dissolved fat with other powder materials is carried out.
Drawings
FIG. 1 is a schematic view of an embodiment of a powder mixer of the present application;
FIG. 2 is an expanded schematic view of one embodiment of a body lumen in the present application;
FIG. 3 is a schematic view of one embodiment of the bottom surface of the powder mixer of the present application.
Description of the reference numerals
1-main body, 2-sealing cover, 3-first salient point, 4-second salient point, 5-imaginary spiral line and 6-bulge.
Detailed Description
The following describes specific embodiments of the present application in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the application, are not intended to limit the application.
The application provides a powder mixer, which comprises a main body 1 with an opening at one end and a hollow interior and a sealing cover 2 capable of being arranged on the opening of the main body 1, wherein at least one group of circumferentially-spaced first protruding points 3 are arranged on the inner peripheral surface of the main body 1, each group of first protruding points 3 are arranged at intervals in the vertical direction, and the first protruding points 3 are hemispherical protrusions from outside to inside.
As shown in fig. 1, a main body 1 is provided with an inner cavity, a mixing space is provided for a sample to be mixed, the sample to be mixed is poured from an opening of the main body 1, then the main body 1 is rocked after being sealed by a sealing cover 2, the sample to be mixed in the main body 1 collides with each other to be mixed, and by arranging a first protruding point 3, the sample to be mixed can be blocked by the protruding direction of the first protruding point 3 when moving on the inner wall of the main body 1, so that the collision between the samples to be mixed is increased, and the samples to be mixed are more fully mixed.
Through the technical content, when the particle mixture with 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 blocked by the hemispherical convex direction of the first convex point 3, so that three basic principles of mixing dynamics are satisfied: the dynamic principles of mutual diffusion, convection and shearing among the powder materials have good mixing effect when the analysis work of mixing a small amount of powder materials such as resin like dissolved fat with other powder materials is carried out.
Further, only one set of first bumps 3 is provided on the inner peripheral surface of the main body 1, and a set of second bumps 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 bumps 3 is provided between any two adjacent first bumps 3 in the vertical direction.
As shown in fig. 2, fig. 2 is an expanded view of an inner peripheral surface of a main body 1, in the present application, a group of first bumps 3 is provided on the inner peripheral surface of the main body 1, the group of first bumps 3 is expanded based on a center line of the group of first bumps 3, the group of first bumps 3 is equally divided into two groups of semicircles, each of which is located at two sides of an expanded surface, the group of first bumps 3 is provided with 5 uniformly spaced first bumps 3 in a vertical direction, a line connecting center points of two first bumps 3 which are arbitrarily adjacent in the vertical direction and located at left and right sides respectively is an imaginary spiral line 5 (the imaginary spiral line 5 is not actually present but is an imaginary line or path), and the imaginary spiral line 5 surrounds a center axis of the main body 1, and second bumps 4 which are arranged at intervals are provided on the imaginary spiral line 5 (the imaginary spiral line 5 provides an arrangement path for the second bumps 4), by providing more densely arranged second bumps 4, mutual collision of powder during shaking can be further increased, and mixing degree of a sample to be mixed can be increased. For the mixing effect of large-particle mixed materials, the diameter of the hemispherical structure and the distance between two hemispheres can be properly increased to meet the mixing requirement.
Wherein, the directions of the imaginary spiral lines 5 where the two adjacent groups of second salient points 4 are located are opposite.
As shown in fig. 1 and fig. 2, the directions of the adjacent imaginary spiral lines 5 are opposite, so that two adjacent groups of second salient points 4 can form two groups of spiral structures with opposite directions, and the requirements of transverse convection mixing, diffusion mixing and collision mixing of the mixed materials at the crossing points can be met through the forward and reverse spiral structures.
As an embodiment, the imaginary spiral 5 between two adjacent first bumps 3 includes a first semicircular portion near the first bump 3 on the upper side and a second semicircular portion near the first bump 3 on the lower side, the lower side of the imaginary spiral 5 of the first semicircular portion is provided with the second bump 4 tangential thereto, and the upper side of the imaginary spiral 5 of the second semicircular portion is provided with the second bump 4 tangential thereto.
As shown in fig. 2, the two ends of the expansion surface are used as starting points, the central line of the expansion surface is used as the end point, the expansion surface is divided into two parts, the left half part is a first semicircle part, and the right half part is a second semicircle part; the imaginary spiral 5 on the right side is a positive imaginary spiral a, and the imaginary spiral 5 on the left side is an inverse imaginary spiral b. In order to enable the second salient points 4 to be uniformly arranged and prevent the second salient points 4 in the forward and backward directions from being too close to each other or even overlapping, the second salient points 4 in the first semicircular part are tangent to the upper side of the positive imaginary spiral line a and the lower side of the negative imaginary spiral line b; the second bump 4 in the second semicircle is tangential to the upper side of the reverse imaginary spiral b and tangential to the lower side of the positive imaginary spiral a. The final effect is that the second salient points 4 are extended and arranged towards the square virtual spiral line direction by taking the first salient points 3 as starting points.
Further, the diameter of the first bump 3 is larger than the diameter of the second bump 4.
Through experimental detection, through setting up the bump that two kinds of diameter sizes are different, can make the collision area of waiting to mix the sample in the mixing process different to produce different collision effects, make its effect of mixing better.
Wherein, the bottom of the inner cavity of the main body 1 is provided with a bulge 6 with a cross structure, and the bulge 6 has a semicircular section.
As shown in fig. 3, a protrusion 6 is provided at the inner bottom of the main body 1 to achieve the mixing effect in both the horizontal direction and the vertical direction of the sample to be mixed, so that the effective space in the bottle is fully utilized, and the bottle body can be shaken in multiple directions to achieve the mixing effect.
As an embodiment, the opening of the main body 1 is provided with external threads, the sealing cover 2 is of a hollow structure, the center of the inside of the sealing cover 2 is provided with a cylinder, and the lower part of the cylinder is provided with internal threads matched with the external threads on the main body 1.
As shown in fig. 1, a cylinder with internal threads is arranged in the center of the sealing cover 2, and the depth of the internal threads of the cylinder is larger than the height of the external threads of the opening of the main body 1, so that the opening can be completely screwed into the sealing cover 2, thereby achieving the sealing effect.
Further, the cover 2 is provided in a spherical shape.
As shown in fig. 1, the sealing cover 2 is spherical, so that the internal space of the sealing cover 2 can be increased, after the sample is mixed, the mixed sample can be poured into the sealing cover 2 and taken by a small spoon, and the sealing cover 2 has the effect of a container, so that the convenience of overall operation is improved.
Wherein the angle of the spiral 5 is 3-10.
In the present application, as shown in fig. 1 and 2, the pitch angle of the imaginary spiral 5 is selected to be 4 °, and the specific pitch 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 has the characteristic of easy static electricity generation due to friction, the material of the mixer is selected as antistatic and abrasion-resistant materials, such as polytetrafluoroethylene materials, stainless steel materials and the like, and the polytetrafluoroethylene materials are adopted in the application, so that the mixing effect of the materials can be ensured, and meanwhile, the mixer has good abrasion-resistant effect.
In the actual production process, the application 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, ensures the rapid and accurate reaction of the production condition, and can guide the process personnel to adjust the process parameters in time, ensure the product quality and improve the benefit of companies.
The preferred embodiments of the present application have been described in detail above with reference to the accompanying drawings, but the present application is not limited thereto. Within the scope of the technical idea of the application, a number of simple variants of the technical solution of the application are possible, which simple variants and combinations should likewise be regarded as being disclosed by the application, all falling within the scope of protection of the application.
In addition, the specific features described in the above embodiments may be combined in any suitable manner without contradiction. The various possible combinations of the application are not described in detail in order to avoid unnecessary repetition.
Moreover, any combination of the various embodiments of the application can be made without departing from the spirit of the application, which should also be considered as disclosed herein.
Claims (8)
1. The powder mixer is characterized by comprising a main body (1) with an opening at one end and a hollow interior and a sealing cover (2) capable of being arranged on the opening of the main body (1), wherein the inner peripheral surface of the main body (1) is provided with only one group of circumferentially-spaced first protruding points (3), the first protruding points (3) are arranged at intervals in the vertical direction, and the first protruding points (3) are hemispherical protrusions from outside to inside; the inner peripheral surface of the main body (1) is provided with only one group of first convex points (3), and a group of second convex points (4) which are arranged at intervals along an imaginary spiral line (5) which surrounds the central axis of the main body (1) and passes through the two first convex points (3) are arranged between any two adjacent first convex points (3) in the vertical direction; the directions of the imaginary spiral lines (5) where the two adjacent groups of the second salient points (4) are located are opposite.
2. Powder mixer according to claim 1, characterized in that the imaginary spiral (5) between two adjacent first bumps (3) comprises a first semicircular portion of the first bump (3) near the upper side and a second semicircular portion of the first bump (3) near the lower side, the lower side of the imaginary spiral (5) of the first semicircular portion being provided with the second bump (4) tangential thereto, the upper side of the imaginary spiral (5) of the second semicircular portion being provided with the second bump (4) tangential thereto.
3. Powder mixer according to claim 2, characterized in that the diameter of the first bump (3) is larger than the diameter of the second bump (4).
4. Powder mixer according to claim 1, characterized in that the bottom of the cavity of the body (1) is provided with a protuberance (6) of cross-shaped structure, the protuberance (6) having a semicircular section.
5. The powder mixer according to claim 1, wherein the opening of the main body (1) is provided with external threads, the sealing cover (2) is of a hollow structure, the inner center of the sealing cover (2) is provided with a cylinder, and the lower part of the cylinder is provided with internal threads matched with the external threads on the main body (1).
6. Powder mixer according to claim 5, characterized in that the cover (2) is provided in the shape of a sphere.
7. Powder mixer according to claim 2, characterized in that the angle of elevation of the imaginary spiral (5) is 3-10 °.
8. Powder mixer according to claim 1, characterized in that the material of the body (1) and the cover (2) is polytetrafluoroethylene material.
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 CN114733378A (en) | 2022-07-12 |
| CN114733378B true 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114733378B (en) |
Citations (11)
| 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 |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190060851A1 (en) * | 2017-08-03 | 2019-02-28 | Taylor-Cain Corporation | Chemical Mixer Tool and Drum Assembly |
-
2022
- 2022-03-22 CN CN202210286911.XA patent/CN114733378B/en active Active
Patent Citations (11)
| 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 |
| 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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| CN114733378A (en) | 2022-07-12 |
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