CN211026557U - Traditional Chinese medicinal material superfine grinding system - Google Patents
Traditional Chinese medicinal material superfine grinding system Download PDFInfo
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- CN211026557U CN211026557U CN201921261927.5U CN201921261927U CN211026557U CN 211026557 U CN211026557 U CN 211026557U CN 201921261927 U CN201921261927 U CN 201921261927U CN 211026557 U CN211026557 U CN 211026557U
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Abstract
The utility model discloses a chinese-medicinal material superfine grinding system mainly includes superfine pulverizer and refrigerator, superfine pulverizer includes base, support, motor, axis, mill bucket and eccentric wheel, it is equipped with a plurality of mill medias to grind in the bucket, grinds and carries out rotation and revolution in grinding the bucket between, beats, extrudees and cuts to the medicinal material in grinding the bucket, has avoided the medicinal material to carry out the little scheduling problem of high temperature degeneration and ball mill contact surface in the twinkling of an eye when smashing utilizing mechanical cutter. Meanwhile, the refrigerator provides a stable low-temperature environment for the grinding barrel, so that the tough traditional Chinese medicinal materials become brittle bodies easy to crush, the crushing efficiency is greatly improved, volatilization or oxidation of components in the processing process is effectively prevented, and the medicine property is guaranteed against loss.
Description
Technical Field
The utility model relates to a chinese-medicinal material processing field especially relates to a chinese-medicinal material superfine grinding system.
Background
In the modernization and internationalization process of traditional Chinese medicine, the standardization and standardization of processing method and processing equipment are firstly carried out, so that the superfine traditional Chinese medicine is different from the traditional Chinese medicine dosage form in use, and the superfine traditional Chinese medicine has continuous vitality. The specific content comprises the following steps: selecting a proper superfine grinding method and proper and advanced equipment; the processing environment, the processing conditions and the safety technical measures are required to meet the drug production quality management standard; strive to reach the optimum particle size range of Chinese medicinal material pulverization; can carry out corresponding analysis and detection, including indexes of effective components, particle size, toxic and side effects, processing pollution indexes and the like of the processed medicament.
Because Chinese herbal medicines contain a large amount of lignin, such as fiber, starch, colloid, fat, sugar and the like, superfine processing is difficult, deep drying and superfine grinding are generally needed, and the toughness of the medicines is increased after drying, and agglomeration, oxidation, fission and the like are easy to occur, so that the Chinese herbal medicines are generally classified and treated separately. The existing flour mill mostly adopts a millstone and a cutting edge to crush the medicinal materials, the medicinal materials are subjected to instantaneous high-temperature denaturation when the mechanical cutter is crushed, the contact area between the medicinal materials and the cutter is small, the crushing efficiency is low, the particle size of the crushed medicinal materials is large, the utilization rate of tablets is low, and the loss of effective components is large.
SUMMERY OF THE UTILITY MODEL
To the problem that exists, the utility model aims at providing a chinese-medicinal material superfine grinding system and operation method thereof, through the temperature in the refrigerator control course of working, use simultaneously to grind the medium to the chinese-medicinal material and smash, the chinese-medicinal material particle diameter of processing out is little, guarantees that the performance and the active ingredient of medicinal material obtain maximum protection.
In order to achieve the above object, the utility model adopts the following technical scheme:
a traditional Chinese medicine superfine grinding system is characterized in that: comprises a pulverizer and a refrigerator for controlling the temperature of the pulverizer;
the pulverizer comprises a pulverizer body and a grinding barrel, wherein the grinding barrel is connected with the pulverizer body through a middle shaft, and the middle shaft penetrates through the grinding barrel;
the grinding barrel comprises an outer barrel and an inner barrel, wherein the top and the bottom of the outer barrel and the bottom of the inner barrel are both designed into an open structure, a plurality of grinding media of a grinding medium are arranged in the inner barrel, and the bottom of the outer barrel is also provided with two openings which are respectively a cold air inlet and a hot air outlet;
the refrigerator is connected with a cold air pipe and a hot air pipe, the cold air pipe is movably connected with a cold air inlet of the grinding barrel, and the hot air pipe is movably connected with a hot air outlet.
Further, the pulverizer body comprises a base, a plurality of supports, a motor and a motor controller, wherein the supports are fixedly connected above the base, the motor and the motor controller are fixedly arranged on the two supports respectively, the motor is electrically connected with the motor controller, the motor is connected with the middle shaft through a universal joint, and the heights of the motor and the middle shaft are on the same horizontal axis; the middle shaft is arranged on the bracket through a bearing seat, and the tail end of the middle shaft is also connected with an eccentric wheel;
further, the temperature in the grinding barrel is controlled below minus 10 ℃ during the processing.
Preferably, the temperature in the grinding barrel is controlled to be below 15 ℃ during the processing.
Preferably, the mill barrel is an eccentric mill barrel.
Preferably, the milling media is a cylindrical roller.
The utility model has the advantages that:
1. the grinding medium is used for revolution and autorotation in the grinding barrel, the medicinal materials are beaten, extruded and sheared, the application range is wide, the crisp, hard, soft and tough materials and the dry and wet Chinese herbal medicines can be processed, the stress direction of the medicinal material particles is bidirectional stress, and the crushing limit particle size is less than 5 mu m;
2. the instant high-temperature denaturation of the medicinal materials when the mechanical cutter is crushed is avoided;
3. the temperature of the grinding barrel is controlled by using a refrigerator, so that the temperature of the grinding barrel is kept below minus 10 ℃ in the whole processing process, and the protection of the performance of medicinal materials is facilitated;
drawings
Fig. 1 is a front view of the traditional Chinese medicine superfine grinding system structure of the utility model.
FIG. 2 is a schematic diagram of the grinding media motion of the present invention.
Fig. 3 is a schematic view of the effect of the grinding medium of the present invention on Chinese herbal medicine.
Fig. 4 is a schematic view of the structure of the grinding barrel of the present invention.
Fig. 5 is a report of finished product particle size testing.
Wherein: 1-base, 2-bracket, 3-motor, 4-motor controller, 5-universal joint, 6-middle shaft, 7-grinding barrel, 8-bearing, 9-eccentric wheel, 10-spring, 11-refrigerator, 12-cold air pipe, 13-hot air pipe, 14-Chinese medicinal material, 71-grinding medium, 72-outer barrel, 73-inner barrel, 74-outer barrel feeding opening cover, 75-outer barrel discharging opening cover, 76-cold air inlet, 77-hot air outlet, 78-inner barrel feeding opening cover, 79-inner barrel discharging opening cover, P-shearing force, 8-1, finished product granularity differential distribution curve, 8-2 and finished product granularity cumulative distribution curve.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following describes the technical solution of the present invention with reference to the accompanying drawings and embodiments.
Referring to fig. 1-4, a system for grinding Chinese medicinal material into superfine powder comprises a grinder and a freezer 11 for controlling the temperature of the grinder;
the pulverizer comprises a base 1, a plurality of supports 2, a motor 3, a motor controller 4, a middle shaft 6 and a grinding barrel 7, wherein each support 2 is welded above the base 1, the motor 3 and the motor controller 4 are respectively fixed on the two supports 2 through screws, the motor 3 is connected with the middle shaft 6 through a universal joint 5, and the heights of the motor 3 and the middle shaft 6 are on the same horizontal axis; the middle shaft 6 penetrates through the interior of the grinding barrel 7, two ends of the middle shaft are respectively arranged on the bracket 2 through bearings 8, and the tail end of the middle shaft 6 is also connected with an eccentric wheel 9;
the grinding barrel 7 comprises an outer barrel 72 and an inner barrel 73, the outer barrel 72 and the inner barrel 73 are cylindrical metal barrels, the top and the bottom of the grinding barrel are both designed to be of an open structure and are used as an outer barrel feeding hole, an outer barrel discharging hole, an inner barrel feeding hole and an inner barrel discharging hole, the outer barrel feeding hole, the outer barrel discharging hole, the inner barrel feeding hole and the inner barrel discharging hole are respectively connected with an outer barrel feeding opening cover 74, an outer barrel discharging opening cover 75, an inner barrel feeding opening cover 78 and an inner barrel discharging opening cover 79 through buckle structures, a plurality of grinding media 71 capable of grinding media are arranged in the inner barrel 73, and the bottom of the outer barrel 72 is also provided with two openings which are;
the refrigerator 11 is sleeved with a cold air pipe 12 and a hot air pipe 13, the cold air pipe 12 and the hot air pipe 13 are both plastic hoses, the cold air pipe 12 is sleeved on a cold air inlet 76 at the bottom of the grinding barrel 7, and the hot air pipe 13 is sleeved on a hot air outlet 77.
Preferably, the diameter of the discharge hole of the inner barrel is smaller than that of the discharge hole of the outer barrel, so that a finished product is prevented from scattering between the inner barrel and the outer barrel when coming out;
preferably, the two brackets 2 for fixing the middle shaft 6 are respectively provided with a spring 10, and the springs can reduce vibration and protect the machine when the machine runs.
Furthermore, the grinding barrel 7 is an eccentric grinding barrel, a certain torque can be generated in the rotating process, the shearing force P of the grinding medium 71 on the Chinese medicinal material 14 is increased, and the grinding efficiency is improved;
further, the grinding medium 71 is a cylindrical roller; the length of the cylindrical roller is basically consistent with that of the roller, so that Chinese medicinal materials can be beaten, and the drug effect is prevented from being damaged.
Further, a chinese-medicinal material superfine grinding system, its theory of operation does: before the equipment works, the motor drives the inner barrel of the grinding barrel to rotate through the universal joint, under the action of external rotation power and shock force, a large amount of grinding media in the inner barrel perform upward throwing motion of time dispersion and time polymerization, the grinding media self perform homodromous rotation, grinding media groups perform revolution, the grinding media on the inner layer and the outer layer continuously exchange positions, every two grinding media continuously collide and extrude and shear traditional Chinese medicinal materials, and the materials are extruded and cut. The particles are broken continuously from large to small, and the extremely large particles are broken first under the stress in the breaking process.
In the specific implementation process, the utility model relates to a concrete operation method of chinese-medicinal material superfine powder system includes following step:
preparing materials in step (1): cleaning and drying the traditional Chinese medicinal materials to be processed, and uniformly mixing the traditional Chinese medicinal materials in proportion;
presetting the temperature of a grinding barrel: starting the refrigerator, and setting the temperature to be 10-20 ℃ below zero;
feeding materials in the step (3): closing the refrigerator, opening an outer barrel feeding port cover and an inner barrel feeding port cover, putting the Chinese medicinal materials to be processed into the inner barrel, and then covering the inner barrel feeding port cover and the outer barrel feeding port cover;
crushing in the step (4): starting a refrigerator, starting a motor of a pulverizer, wherein the rotational speed of the pulverizer is 1000-2000r/min, the inner barrel rotates at a constant speed under the drive of a central shaft, grinding media in the inner barrel also perform revolution and autorotation motions along with the rotation, and the grinding media are crushed by utilizing the collision between the grinding media;
and (5): discharging: closing the motor of the pulverizer, closing the refrigerator, opening an outer barrel discharge opening cover and an inner barrel discharge opening cover, and sleeving a container containing Chinese medicinal material powder finished products at the inner barrel discharge opening for discharging.
Further, the temperature of the freezer in the step (2) is set to be minus 15 ℃.
Furthermore, the crushing limit particle size of a traditional Chinese medicine ultrafine powder system to a medium is less than 5 mu m.
Example (b):
on the basis of laboratory research, a prototype is trial-manufactured, the prototype is used for mixing and processing three medicinal materials of the wheat ear, the medicated leaven and the hawthorn for 30 minutes, and the specific operation steps comprise:
preparing materials in step (1): cleaning and drying three medicinal materials of the wheat fungus, the medicated leaven and the hawthorn, and uniformly mixing according to a proportion;
presetting the temperature of a grinding barrel: starting the refrigerator, and setting the temperature to be minus 15 ℃;
feeding materials in the step (3): closing the refrigerator, opening an outer barrel feeding port cover and an inner barrel feeding port cover, putting the mixture of the wheat ears, the medicated leaven and the hawthorns into the inner barrel, and then covering the inner barrel feeding port cover and the outer barrel feeding port cover;
crushing in the step (4): starting a refrigerating machine, starting a motor of a pulverizer, wherein the rotating speed of the pulverizer is 1500r/min, the inner barrel rotates at a constant speed under the drive of a central shaft, a grinding medium in the inner barrel also performs revolution and rotation motions, and a mixture of the wheat ear, the medicated leaven and the hawthorn is crushed by utilizing the collision between the grinding medium and the grinding medium;
and (5): discharging: after 30 minutes, the motor of the pulverizer is closed, the refrigerator is closed, the outer barrel discharge opening cover and the inner barrel discharge opening cover are opened, and the container containing the Chinese medicinal material powder finished products is sleeved at the inner barrel discharge opening for discharging.
The particle size of the finished product was analyzed by a L S-909 laser particle size analyzer, the analysis results are shown in FIG. 5:
d50: the particle cumulative distribution was 50% particle size. Also called median or median particle diameter, is a typical value representing the size of the particle, which accurately divides the population into two equal parts, that is to say 50% of the particles exceed this value and 50% are below this value. The D50 of this sample was 12.29 μm, indicating that of the particles of all sizes making up this sample, particles larger than 12.29 μm accounted for 50%, as well as particles smaller than 12.29 μm accounted for 50%.
D10: the cumulative particle distribution is 10% of the particle size, i.e. the volume fraction of particles smaller than this is 10% of the total particles. The sample had a D10 of 2.494 μm, exceeding the expected limit size of 5 μm.
D90: the particle cumulative distribution was 90% particle size. I.e. the volume content of particles smaller than this size is 90% of the total particles. The D90 of the sample is 55.038 mu m, which reaches the ideal particle size range of the traditional Chinese medicinal materials. Others may be analogized.
The distribution span, is a measure of the width of the particle size distribution of a sample. Typically Span ═ (Dv90-Dv10)/Dv 50. The meaning of the standard deviation of the variance in statistics is almost the same, and the parameter of the distribution uniformity of a sample is considered, sometimes the formula may be different, but the meaning of the expression is mostly the same. The sample has reasonable distribution result.
Granulometers D4, 3, all represent the "quartic/volume" mean diameter, also called volume (or weight) mean diameter.
d (3,2), called surface area volume mean diameter (also known as Sauter mean diameter). The definition is Σ (NI DI ^3)/Σ (NIDI ^ 2). The sum of the product of the number of particles in a certain size fraction and the 3 th power of the median value of two boundaries of the size fraction in all the size fractions; except for all fractions, the sum of the number of particles in a fraction and the 2 nd power product of the values in the two boundaries of the fraction.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. A traditional Chinese medicine superfine grinding system is characterized in that: comprises a pulverizer and a refrigerator (11) for controlling the temperature of the pulverizer;
the pulverizer comprises a pulverizer body and a grinding barrel (7), wherein the grinding barrel (7) is connected with the pulverizer body through a middle shaft (6), and the middle shaft (6) penetrates through the grinding barrel (7);
the grinding barrel (7) comprises an outer barrel (72) and an inner barrel (73), the inner barrel (73) is fixedly connected with the middle shaft (6) and rotates together with the middle shaft (6) in the working process, the outer barrel (72) is fixedly connected to the bracket (2), and a cold air cavity is formed between the outer barrel (72) and the inner barrel (73); the top and the bottom of the outer barrel (72) and the inner barrel (73) are both designed to be open structures, a plurality of grinding media (71) of millable media are arranged in the inner barrel (73), the bottom of the outer barrel (72) is also provided with two openings which are respectively a cold air inlet (76) and a hot air outlet (77), and the cold air inlet (76) and the hot air outlet (77) are communicated with the cold air cavity;
the cold air pipe (12) and the hot air pipe (13) are connected to the refrigerator (11), the cold air pipe (12) is movably connected with a cold air inlet (76) of the grinding barrel (7), and the hot air pipe (13) is movably connected with a hot air outlet (77).
2. The traditional Chinese medicine superfine grinding system according to claim 1, characterized in that: the pulverizer body comprises a base (1), a plurality of supports (2), a motor (3) and a motor controller (4), wherein each support (2) is fixedly connected above the base (1), the motor (3) and the motor controller (4) are fixedly arranged on the two supports (2) respectively, and the motor (3) is electrically connected with the motor controller (4); the motor (3) is connected with the middle shaft (6) through a universal joint (5), and the heights of the motor (3) and the middle shaft (6) are on the same horizontal axis; the middle shaft (6) is arranged on the bracket (2) through a bearing (8) in a seat mode, and the tail end of the middle shaft (6) is further connected with an eccentric wheel (9).
3. The traditional Chinese medicine superfine grinding system according to claim 1, characterized in that: the grinding barrel (7) is an eccentric grinding barrel.
4. The traditional Chinese medicine superfine grinding system according to claim 1, characterized in that: the grinding medium (71) is a cylindrical rolling rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921261927.5U CN211026557U (en) | 2019-08-06 | 2019-08-06 | Traditional Chinese medicinal material superfine grinding system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921261927.5U CN211026557U (en) | 2019-08-06 | 2019-08-06 | Traditional Chinese medicinal material superfine grinding system |
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| Publication Number | Publication Date |
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| CN211026557U true CN211026557U (en) | 2020-07-17 |
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| CN201921261927.5U Expired - Fee Related CN211026557U (en) | 2019-08-06 | 2019-08-06 | Traditional Chinese medicinal material superfine grinding system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110369052A (en) * | 2019-08-06 | 2019-10-25 | 陕西工业职业技术学院 | A kind of Chinese medicine System of Ultra Thin Power Rubbing and its operating method |
-
2019
- 2019-08-06 CN CN201921261927.5U patent/CN211026557U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110369052A (en) * | 2019-08-06 | 2019-10-25 | 陕西工业职业技术学院 | A kind of Chinese medicine System of Ultra Thin Power Rubbing and its operating method |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 Termination date: 20210806 |
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| CF01 | Termination of patent right due to non-payment of annual fee |