CN111530560B - Eight-roller Raymond mill - Google Patents
Eight-roller Raymond mill Download PDFInfo
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- CN111530560B CN111530560B CN202010385091.0A CN202010385091A CN111530560B CN 111530560 B CN111530560 B CN 111530560B CN 202010385091 A CN202010385091 A CN 202010385091A CN 111530560 B CN111530560 B CN 111530560B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C15/003—Shape or construction of discs or rings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C15/004—Shape or construction of rollers or balls
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- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The application discloses eight roller raymond mills includes: the grinding device comprises a plum blossom frame, a main shaft, four first grinding roller assemblies and four second grinding roller assemblies; the plum blossom frame is provided with a main body part, four first mounting parts and four second mounting parts, the main body part is fixedly arranged on the main shaft, and the four first mounting parts and the four second mounting parts are arranged on the main body part at intervals along the circumferential direction of the main shaft; each first grinding roller assembly is provided with a first grinding roller shaft, a first grinding roller and a first grinding ring, one end of the first grinding roller shaft is correspondingly arranged on the first mounting part, the other end of the first grinding roller shaft is connected to the first grinding roller, and the first grinding ring and the first grinding roller are correspondingly arranged at the bottom end of the first grinding roller shaft; each second grinding roller assembly is provided with a second grinding roller shaft, a second grinding roller and a second grinding ring, one end of the second grinding roller shaft is correspondingly arranged on the second installation part, the other end of the second grinding roller shaft is connected to the second grinding roller, and the diameter of the second grinding roller is smaller than that of the first grinding roller. This application is with grinding roller quantity to eight, has increased and has ground area of contact, reduces grinding cycle, improves work efficiency.
Description
Technical Field
The application relates to the technical field of flour mills, in particular to an eight-roller Raymond mill.
Background
The Raymond mill is a grinding device which is widely applied to mines, cement plants and chemical plants, and is widely applied to processing of non-metallic minerals due to stable performance, strong adaptability and high cost performance of the Raymond mill. However, with the wide development of nonmetallic minerals in the application field of ultrafine powder, downstream enterprises have higher requirements on the fineness of nonmetallic mineral products.
In the process of implementing the application, the applicant finds that the existing Raymond mill is a four-roller Raymond mill, the fineness of the ground product is lower and is generally below 500 meshes, and in operation, the mechanical failure rate is high, the noise is high, and the overall stability is lower, so that the Raymond mills cannot meet the enterprises with higher requirements on the fineness of the nonmetallic mineral products, and can only occupy the lower powder application market.
Therefore, a new Raymond mill is urgently needed to meet the requirement of enterprises on the fineness of the nonmetallic mineral products, so that the powder application market is occupied at a lower end.
Disclosure of Invention
In order to solve the technical problems existing in the prior art, the embodiment of the application provides an eight-roller Raymond mill. The specific technical scheme is as follows:
in a first aspect, there is provided an eight roll Raymond mill comprising:
the grinding device comprises a plum blossom frame, a main shaft, four first grinding roller assemblies and four second grinding roller assemblies;
the plum blossom frame is provided with a main body part, four first mounting parts and four second mounting parts, the main body part is fixedly arranged on the main shaft, and the four first mounting parts and the four second mounting parts are arranged on the main body part at intervals along the circumferential direction of the main shaft;
each first grinding roller assembly is provided with a first grinding roller shaft, a first grinding roller and a first grinding ring, one end of the first grinding roller shaft is correspondingly arranged on the first mounting part, the other end of the first grinding roller shaft is connected to the first grinding roller so as to arrange the first grinding roller on the plum blossom frame, and the first grinding ring and the first grinding roller are correspondingly arranged at the bottom end of the first grinding roller shaft so as to be matched with the first grinding roller to grind materials;
each second grinding roller assembly is provided with a second grinding roller shaft, a second grinding roller and a second grinding ring, one end of the second grinding roller shaft is correspondingly arranged on the second mounting part, the other end of the second grinding roller shaft is connected to the second grinding roller so as to arrange the second grinding roller on the plum blossom rack, the diameter of the second grinding roller is smaller than that of the first grinding roller, the second grinding ring and the second grinding roller are correspondingly arranged at the bottom end of the second grinding roller shaft so as to be matched with the second grinding roller to grind materials, and the height of the second grinding ring is the same as that of the first grinding ring;
the distance from the connecting position of the first mounting part and the first grinding roller to the axis of the main shaft is smaller than the distance from the connecting position of the second mounting part and the second grinding roller to the axis of the main shaft, and the included angle of the circle centers of the first grinding roller shaft and the second grinding roller shaft adjacent to the first grinding roller shaft by taking the main shaft as the axis is 45 degrees.
In a first possible implementation manner of the first aspect, each first mounting portion includes a large-diameter engaging lug, each second mounting portion includes a small-diameter engaging lug, and a distance from an ear hole of the small-diameter engaging lug to an axis of the main shaft is greater than a distance from an ear hole of the large-diameter engaging lug to the axis of the main shaft.
With reference to the first possible implementation manner of the first aspect, in a second possible implementation manner of the first aspect, each small-diameter engaging lug is connected with an adjacent large-diameter engaging lug through an arc line.
In a third possible implementation manner of the first aspect, the first grinding ring includes a first upper grinding ring and a first lower grinding ring, the first upper grinding ring and the first lower grinding ring are disposed at the bottom end of the first grinding roller shaft, the diameters of the first upper grinding ring and the first lower grinding ring are the same, and the sum of the heights of the first upper grinding ring and the first lower grinding ring is the same as the height of the second grinding ring.
In a fourth possible implementation form of the first aspect, the outer wall of the second grinding ring further has four horizontally arranged grooves.
In a fifth possible implementation manner of the first aspect, the second grinding ring includes a second upper grinding ring and a second lower grinding ring, the second upper grinding ring and the second lower grinding ring are disposed at the bottom end of the second grinding roller shaft, the diameters of the second upper grinding ring and the second lower grinding ring are the same, and the sum of the heights of the second upper grinding ring and the second lower grinding ring is the same as the height of the first grinding ring.
With reference to the fifth possible implementation manner of the first aspect, in a sixth possible implementation manner of the first aspect, the outer wall of the first grinding ring further has a plurality of horizontally arranged grooves.
In a seventh possible implementation manner of the first aspect, the material of the first grinding ring and the second grinding ring is high manganese steel Mn 13.
In an eighth possible implementation manner of the first aspect, the grinding device further comprises four third grinding rollers, each third grinding roller is fixedly arranged on the plum blossom frame and located between the adjacent first grinding roller and the adjacent second grinding roller, the outer wall of each third grinding roller is tangent to the outer walls of the first grinding ring and the second grinding ring, and the diameter of each third grinding roller is smaller than that of each second grinding roller.
With reference to the eighth possible implementation manner of the first aspect, in a ninth possible implementation manner of the first aspect, an included angle between centers of two adjacent third grinding rollers, which are centered on the spindle, is 90 degrees.
Compared with the prior art, the application has the advantages that:
the utility model provides an eight roller Raymond mills, it increases four second grinding rollers on current Raymond mill basis, with grinding roller quantity to eight, has increased and has ground area of contact, reduces grinding cycle, improves work efficiency, reduce the cost. And this application has reduced four second grinding rollers that increase for first grinding roller is the minor diameter grinding roller, and it not only conveniently maintains, can also greatly improve the product fineness, grinds 800 meshes with the material, and some materials can reach 1200 meshes even, and the hardness of material also improves to mo shi 9.3 level, and output and sieve-passing rate all are all higher than current raymond mill and are a lot.
Simultaneously, the hookup location of this application first installation department and first grinding roller is less than the hookup location of second installation department and second grinding roller to main shaft axle center distance to the main shaft axle center distance, can make first grinding roller assembly and second grinding roller assembly be the setting of staggering like this to the realization sets up the mill ring outer wall of first grinding roller assembly and second grinding roller assembly on the coplanar, and this kind of setting mode can also keep the holistic stationarity of device.
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 view of an eight roll Raymond mill according to an embodiment of the present application;
fig. 2 and 3 are schematic views of a portion a in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In an embodiment of the present application, please refer to fig. 1, which is a schematic diagram of an eight-roller raymond mill in an embodiment of the present application. As shown in the figure, eight roller lei meng grinds 1 includes plum blossom frame 2, main shaft 3, four first grinding roller assemblies 4 and four second grinding roller assemblies 5, plum blossom frame 2 is fixed to be set up in main shaft 3, four first grinding roller assemblies 4 and four second grinding roller assemblies 5 set up in plum blossom frame 2, eight roller lei meng grinds 1 of this embodiment is through increasing grinding roller assembly quantity on plum blossom frame 2, increase grinding roller quantity to eight, increase the area of contact when grinding the material, thereby improve grinding efficiency, reduce the grinding cycle, reduce manufacturing cost.
The plum blossom frame 2 has a main body portion 21, four first mounting portions 22 and four second mounting portions 23, the main body portion 21 is fixedly arranged on the main shaft 3, and the four first mounting portions 22 and the four second mounting portions 23 are arranged on the main body portion 21 at intervals along the circumferential direction of the main shaft 3. In the present embodiment, each first mounting portion 22 includes a large-diameter engaging lug 221, each second mounting portion 23 includes a small-diameter engaging lug 231, and the large-diameter engaging lug 221, the small-diameter engaging lug 231 and the main body portion 21 are of an integral structure, but not limited thereto.
In one embodiment, each small diameter engaging lug 231 is connected to its adjacent large diameter engaging lug 221 by an arc 24 in such a way that the included angle between the large diameter engaging lug 221 and the small diameter engaging lug 231 is obtuse and natural, thereby reducing the resistance and noise during operation of the device.
Each first grinding roller assembly 4 has a first grinding roller shaft (which is concentric with the first grinding ring 42 and not shown in the figure), a first grinding roller 41 and the first grinding ring 42, one end of the first grinding roller shaft is correspondingly arranged on the first mounting part 22, the other end of the first grinding roller shaft is connected to the first grinding roller 41 so as to arrange the first grinding roller 41 on the plum blossom stand 2, and the first grinding ring 42 and the first grinding roller 41 are correspondingly arranged at the bottom end of the first grinding roller shaft so as to be matched with the first grinding roller 41 for grinding materials. In this embodiment, when the first grinding roller assembly 4 grinds the material, the first grinding roller 41 rotates the first grinding ring 42, and the first grinding ring 42 and a grinding ring (not shown) outside the integrated structure grind the material.
Each second grinding roller assembly 5 has a second grinding roller shaft (which is concentric with the second grinding ring 52 and not shown in the figure), a second grinding roller 51 and a second grinding ring 52, one end of the second grinding roller shaft is correspondingly arranged on the second mounting part 23, the other end is connected with the second grinding roller 51 to arrange the second grinding roller 51 on the plum blossom frame 2, and the second grinding ring 52 and the second grinding roller 51 are correspondingly arranged at the bottom end of the second grinding roller shaft to cooperate with the second grinding roller 51 to grind materials. In this embodiment, when the second grinding roller assembly 5 grinds the material, the second grinding roller 51 drives the second grinding ring 52 to rotate, and the second grinding ring 52 and a grinding ring (not shown) outside the integral structure grind the material.
The diameter of the second grinding roller 51 is smaller than that of the first grinding roller 41, that is, the second grinding roller 51 is a small-diameter grinding roller, the first grinding roller 41 is a large-diameter grinding roller, and the first grinding roller 41 is a grinding roller in an existing four-roller Raymond mill, so that the embodiment is substantially characterized in that four second grinding rollers 51 are added on the basis of the existing Raymond mill, the number of the grinding rollers is increased to eight, the contact area during grinding of materials is increased, the grinding efficiency is improved, the grinding period is shortened, and the production cost is reduced. In addition, the four second grinding rollers 51 added in the embodiment are small-diameter grinding rollers, so that the maintenance is convenient, the product fineness can be greatly improved, the materials are ground to 800 meshes, even some materials can reach 1200 meshes, the hardness of the materials is also improved to 9.3 Mohs, and the yield and the sieve passing rate are much higher than those of the existing Raymond mills.
The included angle alpha between the circle center of the first grinding roller shaft and the adjacent second grinding roller shaft by taking the main shaft 3 as the axis is 45 degrees, so that the four first grinding rollers 41 and the four second grinding rollers 51 are uniformly arranged around the plum blossom frame 2 at intervals, and the running stability of the device is ensured. The distance from the connecting position of the first mounting portion 22 and the first grinding roller 41 to the axial center of the main shaft 3 is smaller than the distance from the connecting position of the second mounting portion 23 and the second grinding roller 51 to the axial center of the main shaft 3. In this embodiment, the distance a from the ear hole of the small-diameter engaging lug 231 to the axis of the main shaft 3 is greater than the distance b from the ear hole of the large-diameter engaging lug 221 to the axis of the main shaft 3, so that the first grinding roller assembly 4 and the second grinding roller assembly 5 can be arranged in a staggered manner, thereby realizing that the outer side walls of the grinding rings of the first grinding roller assembly 4 and the second grinding roller assembly 5 are arranged on the same circular ring surface, and the arrangement mode can also keep the overall stability of the device. Preferably, the distance a is 3-5mm larger than the distance b, such as 3mm, 4mm or 5mm, but not limited thereto, and the specific size can be selected according to actual requirements.
Please refer to fig. 2 and fig. 3, which are schematic diagrams of a portion a in fig. 1. As shown, the second grinding ring 52 is the same height as the first grinding ring 42. In the present embodiment, referring to fig. 2 again, the first grinding ring 42 includes a first upper grinding ring 421 and a first lower grinding ring 422, the first upper grinding ring 421 and the first lower grinding ring 422 are disposed at the bottom end of the first grinding roller shaft, the diameters of the first upper grinding ring 421 and the first lower grinding ring 422 are the same, the sum of the heights of the first upper grinding ring 421 and the first lower grinding ring 422 is the same as the height of the second grinding ring 52, the outer wall of the second grinding ring 52 further has a plurality of horizontally disposed grooves S, and the cross section of the grooves S is preferably arc-shaped to ensure that the grooves S are not blocked by the material.
In another embodiment, referring to fig. 3 again, the second grinding ring 52 includes a second upper grinding ring 521 and a second lower grinding ring 522, the second upper grinding ring 521 and the second lower grinding ring 522 are disposed at the bottom end of the second grinding roller shaft, the diameters of the second upper grinding ring 521 and the second lower grinding ring 522 are the same, the sum of the heights of the second upper grinding ring 521 and the second lower grinding ring 522 is the same as the height of the first grinding ring 42, the outer wall of the first grinding ring 42 further has a plurality of horizontally disposed grooves S, and the cross-section of the grooves S is preferably arc-shaped to ensure that the grooves S are not blocked by the material.
In an embodiment, the first grinding ring 42 and the second grinding ring 52 are made of high manganese steel Mn13, under the environment of strong impact and high pressure, the grinding ring made of high manganese steel Mn13 has excellent wear resistance, and the preprocessed high manganese steel Mn13 product has wear resistance far higher than that of imported low-alloy wear-resistant steel under the environment of no impact or low pressure, and the material can ensure the service life of the first grinding ring 42 and the second grinding ring 52.
In one embodiment, the eight-roll Raymond mill 1 further comprises four third milling rolls 6, each third milling roll 6 being fixedly arranged on the plum blossom stand 2 between adjacent first milling roll 41 and second milling roll 51, and each third milling roll 6 having an outer wall tangent to the outer walls of the first milling ring 42 and the second milling ring 52, the third milling roll 6 having a diameter smaller than the diameter of the second milling roll 51, the third milling rolls 6 being typically fine milling rolls, by arranging the fine milling rolls to further refine the grinding processThe grinding contact area is increased, and the grinding contact area is increased,improves the grinding efficiency。
In one embodiment, the included angle between the centers of circles of two adjacent third grinding rollers 6 taking the spindle 3 as the axis is 90 degrees, so as to ensure the stability of the device during operation. Specifically, the upper surface of the plum blossom frame 1 is further regularly provided with connecting holes 7 corresponding to the third grinding roller 6, an included angle beta between every two adjacent connecting holes 7 is 90 by taking the axis of the main shaft 3 as the center of a circle, the third grinding roller 6 penetrates through the connecting holes 7 and is in threaded connection with the inside of the connecting holes 7 so as to be convenient to detach, the outer wall of the third grinding roller 6 is tangent to the outer walls of the first grinding ring 42 and the second grinding ring 52, and when materials are ground, the third grinding roller 6 is fixed and rotates through the first grinding ring 42 and the second grinding ring 52 to be matched with the third grinding roller 6 to grind the materials.
To sum up, this application provides an eight roller lei meng grinds, and it is to increase four second grinding rollers on current lei meng grinds basis, with grinding roller quantity to eight, has increased and has ground area of contact, reduces grinding cycle, improves work efficiency, reduce the cost. And this application has reduced four second grinding rollers that increase for first grinding roller is the minor diameter grinding roller, and it not only conveniently maintains, can also greatly improve the product fineness, grinds 800 meshes with the material, and some materials can reach 1200 meshes even, and the hardness of material also improves to mo shi 9.3 level, and output and sieve-passing rate all are all higher than current raymond mill and are a lot.
Simultaneously, this application first installation department is less than second installation department and second grinding roller's hookup location to main shaft axle center distance with the hookup location of first grinding roller to main shaft axle center distance, can make first grinding roller assembly and second grinding roller assembly be the setting of staggering like this to the realization sets up the mill ring outer wall of first grinding roller assembly and second grinding roller assembly on the coplanar, and this kind of mode of setting can also keep the holistic stationarity of device
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An eight roll Raymond mill, comprising:
the grinding device comprises a plum blossom frame, a main shaft, four first grinding roller assemblies and four second grinding roller assemblies;
the plum blossom frame is provided with a main body part, four first installation parts and four second installation parts, the main body part is fixedly arranged on the main shaft, and the four first installation parts and the four second installation parts are arranged on the main body part at intervals along the circumferential direction of the main shaft;
each first grinding roller assembly is provided with a first grinding roller shaft, a first grinding roller and a first grinding ring, one end of the first grinding roller shaft is correspondingly arranged on the first mounting part, the other end of the first grinding roller shaft is connected to the first grinding roller so that the first grinding roller is arranged on the plum blossom frame, and the first grinding ring and the first grinding roller are correspondingly arranged at the bottom end of the first grinding roller shaft so as to be matched with the first grinding roller for grinding materials;
each second grinding roller assembly is provided with a second grinding roller shaft, a second grinding roller and a second grinding ring, one end of the second grinding roller shaft is correspondingly arranged on the second mounting part, the other end of the second grinding roller shaft is connected to the second grinding roller so that the second grinding roller can be arranged on the plum blossom rack, the diameter of the second grinding roller is smaller than that of the first grinding roller, the second grinding ring and the second grinding roller are correspondingly arranged at the bottom end of the second grinding roller shaft so as to be matched with the second grinding roller to grind materials, and the height of the second grinding ring is the same as that of the first grinding ring;
the first installation part and the first grinding roller are connected at positions where the distance between the axes of the main shafts is smaller than the distance between the second installation part and the axes of the main shafts, and the first grinding roller shaft is adjacent to the first grinding roller shaft, so that the included angle between the centers of circles of the main shafts as the axes of the second grinding roller shaft is 45 degrees.
2. The eight-roller Raymond mill of claim 1, wherein each of the first mounting portions includes a large diameter engaging lug and each of the second mounting portions includes a small diameter engaging lug, and wherein a distance from an ear hole of the small diameter engaging lug to the axis of the spindle is greater than a distance from an ear hole of the large diameter engaging lug to the axis of the spindle.
3. The eight roll Raymond mill of claim 2 wherein each said small diameter engaging lug is connected to its adjacent said large diameter engaging lug by an arc.
4. The eight roll Raymond mill of claim 1 wherein the first grinding ring includes a first upper grinding ring and a first lower grinding ring disposed at a bottom end of the first grinding roll shaft and having the same diameter and the sum of the heights of the first upper grinding ring and the first lower grinding ring being the same as the height of the second grinding ring.
5. The eight roll Raymond mill of claim 4 wherein the outer wall of the second grinding ring further has a plurality of horizontally disposed grooves.
6. The eight roll Raymond mill of claim 1 wherein the second grinding ring includes a second upper grinding ring and a second lower grinding ring, the second upper grinding ring and the second lower grinding ring being disposed at a bottom end of the second grinding roll and being of the same diameter and having a combined height as the first grinding ring.
7. The eight roll Raymond mill of claim 6 wherein the outer wall of the first mill ring further has a plurality of horizontally disposed grooves.
8. The eight roll Raymond mill of claim 1, wherein the first and second mill rings are made of high manganese steel Mn 13.
9. The eight roll Raymond mill of claim 1 further comprising four third grinding rolls, each of said third grinding rolls being fixedly disposed on said pergola between adjacent ones of said first grinding rolls and said second grinding rolls and each of said third grinding rolls having an outer wall tangent to an outer wall of said first grinding ring and said second grinding ring, said third grinding rolls having a diameter less than a diameter of said second grinding rolls.
10. The eight-roll Raymond mill of claim 9, wherein an included angle between centers of circles of adjacent two third grinding rolls with the spindle as an axis is 90 degrees.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010385091.0A CN111530560B (en) | 2020-05-09 | 2020-05-09 | Eight-roller Raymond mill |
| PCT/CN2020/115494 WO2021227323A1 (en) | 2020-05-09 | 2020-09-16 | Eight-roller raymond mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010385091.0A CN111530560B (en) | 2020-05-09 | 2020-05-09 | Eight-roller Raymond mill |
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| Publication Number | Publication Date |
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| CN111530560A CN111530560A (en) | 2020-08-14 |
| CN111530560B true CN111530560B (en) | 2021-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010385091.0A Active CN111530560B (en) | 2020-05-09 | 2020-05-09 | Eight-roller Raymond mill |
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| Country | Link |
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| CN (1) | CN111530560B (en) |
| WO (1) | WO2021227323A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111530560B (en) * | 2020-05-09 | 2021-06-29 | 南通利元亨机械有限公司 | Eight-roller Raymond mill |
| CN117299294B (en) * | 2023-12-01 | 2024-03-01 | 陕西佰特睿驰新能源科技有限公司 | Raw material crushing device based on lithium extraction process |
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| US4022387A (en) * | 1976-03-12 | 1977-05-10 | Williams Patent Crusher And Pulverizer Company | Roller grinding mill apparatus |
| CN2176184Y (en) * | 1993-12-30 | 1994-09-07 | 郑州黎明机械制造有限公司 | Pressure mill with hanging rollers |
| CN1222099A (en) * | 1996-04-23 | 1999-07-07 | Fcb公司 | Wet grinding method and grinder for implementing said method |
| DE102007022370A1 (en) * | 2007-05-07 | 2008-11-13 | Gribov, Iouri, Dr. | Centrifugal roll milling machine with immovable grinding media |
| US7963471B2 (en) * | 2007-11-14 | 2011-06-21 | Alstom Technology Ltd | Fine grinding roller mill |
| US7845587B2 (en) * | 2008-03-28 | 2010-12-07 | Alstom Technology Ltd | Pulverizer upper gearbox bearing assembly |
| JP2011240276A (en) * | 2010-05-19 | 2011-12-01 | Mitsubishi Heavy Ind Ltd | Vertical mill |
| CN202316024U (en) * | 2011-09-09 | 2012-07-11 | 江苏中博重工机械有限公司 | Multi-roller suspension micro-powder grinder and grinded powder production line using same |
| CN202191934U (en) * | 2011-12-19 | 2012-04-18 | 济南鲍安环保技术开发有限公司 | High-efficiency vertical roller mill |
| CN202762485U (en) * | 2012-08-08 | 2013-03-06 | 桂林晟兴机械制造有限公司 | Swing-type pressurization raymond powder milling machine |
| CN203577886U (en) * | 2013-11-29 | 2014-05-07 | 桂林晟兴机械制造有限公司 | Dual-layer master-slave roller type Raymond flour mill |
| CN203874844U (en) * | 2013-11-29 | 2014-10-15 | 桂林晟兴机械制造有限公司 | Dual-layer roller Raymond mill |
| CN203635267U (en) * | 2013-12-11 | 2014-06-11 | 孙于婷 | Powder grinder |
| CN207076508U (en) * | 2017-05-13 | 2018-03-09 | 后英集团海城市环保科技有限公司 | A kind of heavy duty detergent grinding mechanism for flour mill |
| CN107617474A (en) * | 2017-11-03 | 2018-01-23 | 江苏吉能达环境能源科技有限公司 | A kind of grinding vertical grinding roller structure |
| CN208800202U (en) * | 2018-05-02 | 2019-04-30 | 郑州林诺药业有限公司 | A kind of smashing and grinding all-in-one machine |
| CN210303825U (en) * | 2019-07-03 | 2020-04-14 | 济源市宏鑫实业有限公司 | Powder additive production equipment |
| CN111530560B (en) * | 2020-05-09 | 2021-06-29 | 南通利元亨机械有限公司 | Eight-roller Raymond mill |
-
2020
- 2020-05-09 CN CN202010385091.0A patent/CN111530560B/en active Active
- 2020-09-16 WO PCT/CN2020/115494 patent/WO2021227323A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| CN111530560A (en) | 2020-08-14 |
| WO2021227323A1 (en) | 2021-11-18 |
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