CN117138893B - Raymond mill for rare earth recyclable particles - Google Patents
Raymond mill for rare earth recyclable particles Download PDFInfo
- Publication number
- CN117138893B CN117138893B CN202311414310.3A CN202311414310A CN117138893B CN 117138893 B CN117138893 B CN 117138893B CN 202311414310 A CN202311414310 A CN 202311414310A CN 117138893 B CN117138893 B CN 117138893B
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- CN
- China
- Prior art keywords
- ring
- grinding
- frame
- rare earth
- recoverable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002245 particle Substances 0.000 title claims abstract description 16
- 229910052761 rare earth metal Inorganic materials 0.000 title claims abstract description 16
- 150000002910 rare earth metals Chemical class 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 16
- 238000009826 distribution Methods 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000003801 milling Methods 0.000 abstract 11
- 239000000463 material Substances 0.000 description 11
- 239000000843 powder Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- 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
- B02C15/08—Mills with balls or rollers centrifugally forced against the inner surface of a ring, the balls or rollers of which are driven by a centrally arranged member
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention provides a Raymond mill for rare earth recoverable particles, which comprises an air duct, a milling chamber and an analysis machine which are vertically and coaxially connected in sequence, wherein the side surface of the milling chamber is provided with a feeding window which is communicated with the milling chamber, the bottom of the air duct is provided with a driving motor, the output end of the driving motor is connected with a star frame and a scraper knife which is circumferentially distributed through a transmission shaft, the star frame is hinged with a pendulum type milling roller, the outer side of the milling roller is provided with a milling ring which is spliced into a ring through a fan-shaped unit, the milling ring is fixed on a ring frame at the bottom of the milling chamber, the ring frame can be rotated and locked in an angle along the circumferential direction, an openable side window is arranged at one side of the air duct corresponding to the ring frame, the side window at one side of the air duct is arranged with the rotatable fan-shaped milling ring, the milling ring can be disassembled and installed through the opened window after the side window is opened, the fan-shaped milling ring can be switched through rotation, the whole replacement is convenient, the whole replacement is free from the disassembly of the whole part, and the development prospect is good.
Description
Technical Field
The invention relates to the field of crushing devices, in particular to a Raymond mill for rare earth recoverable particles.
Background
The vertical Raymond mill structure is composed of a main machine, an analyzer, an air duct, an air blower, an electric control motor and the like, wherein materials are sent into a mill chamber of the Raymond mill main machine through a lifter, and due to the centrifugal force effect during rotation, a mill roller swings outwards and is tightly pressed on a mill ring, so that the purpose of crushing the materials is achieved through the rolling of the mill roller, fine powder after the grinding of the materials can be carried into the analyzer above the inside of the machine along with the circulating air of the air blower for separation, the fine powder with too coarse fineness falls back to be ground, and qualified fine powder enters a finished cyclone powder collector along with air flow and is discharged through a powder outlet pipe.
The Raymond mill is after long-time operation, and inboard grinding ring also can be worn and torn gradually along with the going on of crushing operation, because grinding ring mounted position is in the bottom of grinding room and wind channel junction, when grinding ring wearing and tearing, need all disassemble grinding room, wind channel etc. during the change, assembly difficulty, it is huge to consume, and dismantle the space that needs can also influence the normal operating of other equipment around, causes whole production efficiency's decline.
A new type of raymond machine is needed to solve the above problems.
Disclosure of Invention
The invention aims to provide a Raymond mill for rare earth recoverable particles.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a thunder Mongolian machine for recoverable granule of tombarthite, including vertical coaxial wind channel, mill room and the analytical engine that connects gradually, the side of mill room is equipped with the pan feeding window and communicates the mill room, wind channel bottom is provided with driving motor, driving motor's output is connected with the spiller of star frame and circumference distribution through the transmission shaft, it has the grinding roller of pendulum formula to articulate on the star frame, the outside of grinding roller has the grinding ring that pieces together into a ring through fan-shaped unit, the grinding ring is fixed on the ring frame of mill room bottom, the ring frame can carry out angle rotation and locking along circumference, wind channel one side corresponds highly with the ring frame and is provided with the side window that can open and shut.
As a further scheme of the invention: the circumferential distribution angle of the side windows is greater than the circumferential distribution angle of the individual sector grinding rings.
As a further scheme of the invention: the ring frame comprises a limiting ring, a wheel frame and a mounting frame, wherein the limiting ring is in a circular ring shape and fixedly connected to the bottom of the grinding chamber, the wheel frame which extends downwards is circumferentially distributed on the outer edge of the limiting ring, a guide wheel is arranged at the bottom end of the wheel frame, the mounting frame which is coaxially and parallelly arranged with the limiting ring is supported on the upper side of the guide wheel, and a connecting nut is welded on the mounting frame and penetrates through the limiting ring to be connected with the grinding chamber through a vertical connecting bolt.
As a further scheme of the invention: the bottom surface of the grinding ring is provided with a vertical penetrating groove corresponding to the connecting nut and the connecting bolt.
As a further scheme of the invention: the connecting bolt is a half-thread bolt, the thread structure is distributed at the bottom of the bolt and protrudes out of the surface of the non-thread part, and the connecting part at the bottom of the grinding chamber is provided with corresponding internal threads.
As a further scheme of the invention: the bottom surface of the limiting ring is provided with an arch-shaped protruding structure, and the top surface of the grinding ring is provided with a corresponding structure groove.
As a further scheme of the invention: a positioning plate facing the axis direction is vertically welded between the installation positions of the fan-shaped grinding rings on the upper surface of the installation frame, and grooves corresponding to the positioning plate are formed in the end faces of the two sides of the grinding rings.
As a further scheme of the invention: the number of the wheel frames is less than that of the positioning plates.
As a further scheme of the invention: one side of the end face groove of the grinding ring facing the axis is an inclined surface structure which is not attached to the positioning plate structure.
As a further scheme of the invention: the bottom of one wheel carrier and the mounting rack are provided with limiting plates which are used for limiting the circumferential angle correspondingly.
Advantageous effects
1. The outside of the grinding roller is provided with the grinding ring which is spliced into a ring through the fan shape, the grinding ring is fixed on the ring frame at the bottom of the grinding chamber, the ring frame can rotate and lock along the circumferential direction, the side window which can be opened and closed is arranged at the corresponding height of one side of the air duct and the ring frame, the grinding ring can be directly detached and installed through the opened window after the side window is opened through the arrangement of the side window at one side of the air duct and the rotatable fan-shaped grinding ring, the switching of the fan-shaped grinding ring plates can be realized through rotation, the whole replacement is convenient, and the disassembly of the whole part is not needed.
2. The ring frame comprises a limiting ring, a wheel frame and a mounting frame, wherein the limiting ring is in a circular ring shape and is fixedly connected to the bottom of a grinding chamber, the wheel frame which extends downwards is circumferentially distributed on the outer periphery of the limiting ring, a guide wheel is arranged at the bottom end of the wheel frame, the mounting frame which is coaxially and parallelly arranged with the limiting ring is supported on the upper side of the guide wheel, a connecting nut is welded on the mounting frame and penetrates through the limiting ring through a vertical connecting bolt to be connected with the grinding chamber, the fixed limiting ring and the mounting frame which is rotatably supported by the guide wheel on the lower side of the limiting ring are used for being arranged, when the grinding ring needs to be replaced, the connecting bolt is loosened to connect the mounting frame, the whole height of the mounting frame is lowered, more space is vacated for disassembling and assembling of the grinding ring units, and meanwhile, the angle locking of the mounting frame is relieved, and the mounting frame can be rotated through guide of the guide wheel to switch the positions of all the grinding ring units.
3. The bottom surface of the limiting ring is provided with the arch-shaped protruding structures, the top surface of the grinding ring is provided with the corresponding structure grooves, the connection strength of the ring frame and the grinding ring is improved through the engagement of the corresponding protruding grooves, the position of the grinding ring is guided in the process that the grinding ring is lifted under the action of the threads of the connecting bolts, the positioning effect is achieved, and meanwhile the grooves are convenient to take the grinding ring unit in the process of disassembly and installation.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of the internal structure of the grinding chamber of the present invention.
Fig. 3 is an enlarged schematic view of the structure a of fig. 2 according to the present invention.
Fig. 4 is a schematic view of the grinding roll drive of the present invention.
FIG. 5 is a schematic view of the attachment of the wear ring to the ring frame of the present invention.
Fig. 6 is an enlarged schematic view of a partial structure of the ring frame of the present invention.
Fig. 7 is a schematic view of the structure of the grinding ring of the present invention.
FIG. 8 is a schematic view of the attachment of the wear ring to the mounting bracket of the present invention.
In fig. 1-8: the device comprises a 1-air duct, a 2-side window, a 3-grinding chamber, a 4-feeding window, a 5-analyzer, a 6-driving motor, a 7-transmission shaft, an 8-star frame, a 9-grinding roller, a 10-ring frame, a 101-limiting ring, a 102-wheel frame, a 103-guide wheel, a 104-mounting frame, a 105-connecting nut, a 106-positioning plate, a 107-limiting plate, a 108-connecting bolt, a 11-grinding ring and a 12-shovel.
Detailed Description
The specific technical scheme of the invention will be clearly and completely described below with reference to fig. 1 to 8 in the drawings of the specification of the invention;
referring to fig. 1-8, fig. 1 is a schematic diagram of an overall structure of an embodiment of the present invention; FIG. 2 is a schematic view of the internal structure of the grinding chamber of the present invention; FIG. 3 is an enlarged schematic view of the structure A of FIG. 2 according to the present invention; FIG. 4 is a schematic view of the grinding roller drive of the present invention; FIG. 5 is a schematic view of the attachment of the wear ring to the ring frame of the present invention; FIG. 6 is an enlarged schematic view of a partial structure of a ring frame according to the present invention; FIG. 7 is a schematic view of the wear ring structure of the present invention; FIG. 8 is a schematic view of the attachment of the wear ring to the mounting bracket of the present invention.
The embodiment provides a Raymond mill for rare earth recoverable particles, which comprises an air duct 1, a grinding chamber 3 and an analyzer 5 which are vertically and coaxially connected in sequence, wherein a feeding window 4 is arranged on the side surface of the grinding chamber 3 and is communicated with the grinding chamber 3, a driving motor 6 is arranged at the bottom of the air duct 1, the output end of the driving motor 6 is connected with a star frame 8 and a shovel blade 12 which is circumferentially distributed through a transmission shaft 7, a pendulum type grinding roller 9 is hinged on the star frame 8, a grinding ring 11 which is spliced into a ring through a fan-shaped unit is arranged at the outer side of the grinding roller 9, the grinding ring 11 is fixed on a ring frame 10 at the bottom of the grinding chamber 3, the ring frame 10 can circumferentially rotate and lock at an angle, and an openable side window 2 is arranged at one side of the air duct 1 and at a height corresponding to the ring frame 10;
through the setting of wind channel 1 one side window 2 and rotatable fan-shaped grinding ring 11 unit, just can dismantle and install grinding ring 11 through the window of opening directly after opening side window 2, and just can realize the switching of each fan-shaped grinding ring 11 unit through rotating, whole change is convenient, need not to carry out the dismantlement of whole part.
The circumferential distribution angle of the side window 2 is larger than that of the single fan-shaped grinding ring 11, so that the size of the whole side window 2 is larger than that of the single fan-shaped grinding ring 11, and the grinding ring 11 units can be conveniently detached and installed.
The ring frame 10 comprises a limiting ring 101, a wheel frame 102 and a mounting frame 104, wherein the limiting ring 101 is in a circular ring shape and is fixedly connected to the bottom of the grinding chamber 3, the wheel frame 102 which extends downwards is circumferentially distributed on the outer periphery of the limiting ring 101, a guide wheel 103 is arranged at the bottom end of the wheel frame 102, the mounting frame 104 which is coaxially and parallelly arranged with the limiting ring 101 is supported on the upper side of the guide wheel 103, and a connecting nut 105 is welded on the mounting frame 104 and penetrates through the limiting ring 101 to be connected with the grinding chamber 3 through a vertical connecting bolt 108;
by means of the fixed limiting rings 101 and the installation of the installation frame 104 which is supported by the guide wheels 103 in a rotating mode on the lower side of the limiting rings 101, when the grinding rings 11 need to be replaced, the installation frame 104 is connected through loosening the connecting bolts 108, the whole height of the installation frame 104 is lowered, more space is saved for disassembling and assembling the grinding ring 11 units, meanwhile, the angle locking of the installation frame 104 is relieved, the installation frame 104 can be guided by the guide wheels 103 to rotate, and the positions of the grinding ring 11 units are switched.
Specifically, the bottom surface of the grinding ring 11 is provided with vertical penetrating grooves corresponding to the connecting nuts 105 and the connecting bolts 108, so that the grinding ring 11 can be fixed with the connecting nuts 105 through the connecting bolts 108 after being installed, the grinding ring 11 is prevented from falling off in the switching and locking process, and the installation fastening degree of the grinding ring 11 after being locked is also improved.
Further, the connecting bolt 108 is a half-thread bolt, the thread structure is distributed at the bottom of the bolt and protrudes out of the surface of the non-thread part, and the connecting part at the bottom of the grinding chamber 3 is provided with corresponding internal threads;
by means of the arrangement of the half-thread bolts, the connecting bolts 108 can be connected with the internal threads on the grinding chamber 3 through the bottom threads after being disconnected with the mounting frame 104, and the connecting bolts can be used for storing and preventing loss while preventing the ring frame 10 and the grinding ring 11 from being naturally fallen down to cause interference to operation.
Specifically, the bottom surface of the limiting ring 101 is distributed with an arch-shaped protruding structure, and the top surface of the grinding ring 11 is provided with a corresponding structure groove;
through the meshing of corresponding convex groove, improve the joint strength of ring carrier 10 and grinding ring 11, also play the guiding orientation effect to the position of grinding ring 11 in the in-process that grinding ring 11 is risen by connecting bolt 108 effect, the setting of groove is also convenient for take the grinding ring 11 unit in dismantlement and installation simultaneously.
Specifically, positioning plates 106 facing the axis direction are vertically welded between the installation positions of the fan-shaped grinding rings 11 on the upper surface of the installation frame 104, and grooves corresponding to the positioning plates 106 are formed in the end surfaces of the two sides of the grinding rings 11;
the circumferential installation position of the grinding ring 11 unit is positioned by the arrangement of the positioning plate 106, and the grinding ring 11 unit is prevented from falling off when the mounting frame is rotated by lateral limiting when the grinding ring is not fixed by the connecting bolts 108.
Further, the number of the wheel frames 102 is smaller than that of the positioning plates 106, so that the interval window between the wheel frames 102 is larger than the size of the window between the positioning plates 106, and the unit of the grinding ring 11 is conveniently placed.
Further, one side of the end face groove of the grinding ring 11 facing the axis is an inclined surface structure which is not attached to the structure of the positioning plate 106, so that the front groove structure of the grinding ring 11 unit is prevented from being abutted against the positioning plate 106 when the grinding ring 11 unit is vertically clamped into the mounting position.
Specifically, a limiting plate 107 for limiting the circumferential angle is arranged on the bottom of one wheel frame 102 and the mounting frame 104 correspondingly;
limiting the rotation angle of the mounting frame 104 for one circle limits the end angle formed by rotation of the mounting frame 104, so that alignment of the grinding chamber 3, the grinding ring 11, internal threads on the mounting frame 104 and the through groove with the connecting nut 105 is ensured, and the quick insertion and connection of the connecting bolt 108 are facilitated.
When the technical scheme recorded in the embodiment is implemented, after the materials are crushed to the required granularity, the materials are sent to a feeding window 4 by a lifter, the materials are sent into a grinding chamber 3 of a Raymond machine main machine, a grinding roller 9 swings outwards due to the centrifugal force effect during rotation and is tightly pressed on a grinding ring 11, a shovel blade 12 connected with the bottom end of a shaft of the grinding roller 9 can rotate along with the grinding roller, the shovel blade 12 shovel the materials and throws the materials between the grinding roller 9 and the grinding ring 11, the purpose of crushing the materials is achieved through the rolling of the grinding roller 9, fine powder after the grinding of the materials can be carried into an analyzer 5 above the inside of the machine along with the circulating wind of a blower for separation, the fine and coarse materials with fineness fall back to be ground again, and qualified fine powder enters a finished cyclone dust collector along with air flow and is discharged through a dust outlet pipe, so that the finished product is obtained;
when the abrasion of the grinding ring 11 is required to be replaced, the content of hole discharging equipment is contained, the equipment is stopped, the side window 2 on one side of the air duct 1 is opened, the connecting bolt 108 at the bottom of the grinding chamber 3 is screwed out, after the mounting frame 104 loses threaded connection, the whole height of the mounting frame 104 is lowered and falls onto the guide wheel 103, more space is vacated for disassembling and assembling the grinding ring 11 units, meanwhile, the angle locking of the mounting frame 104 is also released, the grinding ring 11 units can be guided by the guide wheel 103 to rotate, the positions of the grinding ring 11 units are switched, after all the grinding ring 11 units are completely replaced, the angle of the mounting frame 104 is adjusted, the grinding chamber 3, the grinding ring 11 and the mounting frame 104 are aligned by the internal threads and the through grooves on the mounting frame 104, and the connecting nut 105 are screwed in the connecting bolt 108, the grinding ring 11 is fixed, and the side window 2 is closed.
Claims (10)
1. A raymond machine for rare earth recoverable particles, comprising:
the air duct (1), the grinding chamber (3) and the analyzer (5) are vertically and coaxially connected in sequence, and a feeding window (4) is arranged on the side surface of the grinding chamber (3) and communicated with the grinding chamber;
the grinding roller (9), the bottom of the air duct (1) is provided with a driving motor (6), the output end of the driving motor (6) is connected with a star frame (8) and circumferentially distributed shovel blades (12) through a transmission shaft (7), and the star frame (8) is hinged with the pendulum type grinding roller (9);
the outer side of the grinding roller (9) is provided with a grinding ring (11) which is spliced into a ring through a fan-shaped unit, the grinding ring (11) is fixed on a ring frame (10) at the bottom of the grinding chamber (3), and the ring frame (10) can perform angular rotation and locking along the circumferential direction;
the side window (2) is arranged on one side of the air duct (1) at a height corresponding to the ring frame (10), and the side window (2) can be opened and closed.
2. A raymond machine for rare earth recoverable particles according to claim 1, wherein: the circumferential distribution angle of the side window (2) is larger than that of the single fan-shaped grinding ring (11).
3. A raymond machine for rare earth recoverable particles according to claim 1, wherein: the ring frame (10) comprises a limiting ring (101), a wheel frame (102) and a mounting frame (104), wherein the limiting ring (101) is in a circular ring shape and is fixedly connected to the bottom of the grinding chamber (3), the wheel frame (102) extending downwards is circumferentially distributed on the outer periphery of the limiting ring (101), a guide wheel (103) is arranged at the bottom end of the wheel frame (102), the mounting frame (104) coaxially and parallelly arranged with the limiting ring (101) is supported on the upper side of the guide wheel (103), and a connecting nut (105) is welded on the mounting frame (104) and penetrates through the limiting ring (101) to be connected with the grinding chamber (3) through a vertical connecting bolt (108).
4. A raymond machine for recoverable rare earth particles according to claim 3, wherein: the bottom surface of the grinding ring (11) is provided with a vertical penetrating groove corresponding to the connecting nut (105) and the connecting bolt (108).
5. A raymond machine for recoverable rare earth particles according to claim 4, wherein: the connecting bolt (108) is a half-thread bolt, the thread structure is distributed at the bottom of the bolt and protrudes out of the surface of the non-thread part, and the connecting part at the bottom of the grinding chamber (3) is provided with corresponding internal threads.
6. A raymond machine for recoverable rare earth particles according to claim 3, wherein: the bottom surface of the limiting ring (101) is provided with arch-shaped protruding structures, and the top surface of the grinding ring (11) is provided with corresponding structure grooves.
7. A raymond machine for recoverable rare earth particles according to claim 3, wherein: positioning plates (106) facing the axis direction are vertically welded between the installation positions of the fan-shaped grinding rings (11) on the upper surface of the installation frame (104), and grooves corresponding to the positioning plates (106) are formed in the end faces of the two sides of the grinding rings (11).
8. A raymond machine for recoverable rare earth particles according to claim 7, wherein: the number of the wheel frames (102) is smaller than that of the positioning plates (106).
9. A raymond machine for recoverable rare earth particles according to claim 7, wherein: one side of the end face groove of the grinding ring (11) facing the axis is an inclined surface structure which is not attached to the structure of the positioning plate (106).
10. A raymond machine for recoverable rare earth particles according to claim 3, wherein: limiting plates (107) which are used for limiting circumferential angles are arranged at the bottom of one wheel frame (102) and the mounting frame (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311414310.3A CN117138893B (en) | 2023-10-30 | 2023-10-30 | Raymond mill for rare earth recyclable particles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311414310.3A CN117138893B (en) | 2023-10-30 | 2023-10-30 | Raymond mill for rare earth recyclable particles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117138893A CN117138893A (en) | 2023-12-01 |
| CN117138893B true CN117138893B (en) | 2023-12-26 |
Family
ID=88901087
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311414310.3A Active CN117138893B (en) | 2023-10-30 | 2023-10-30 | Raymond mill for rare earth recyclable particles |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117138893B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001009303A (en) * | 1999-06-28 | 2001-01-16 | Babcock Hitachi Kk | Roller mill |
| CN103801431A (en) * | 2014-02-19 | 2014-05-21 | 北京电力设备总厂 | Medium-speed vertical mill for milling petroleum coke |
| CN106000616A (en) * | 2016-06-30 | 2016-10-12 | 湖州丰盛新材料有限公司 | Hot air circulation type powder selecting device |
| CN210632221U (en) * | 2019-08-08 | 2020-05-29 | 南阳理工学院 | Pulverizer for processing concrete for building |
| CN112264150A (en) * | 2020-11-11 | 2021-01-26 | 湖南金裕氢氧化钙有限公司 | Vertical flour mill |
| CN213854862U (en) * | 2020-09-15 | 2021-08-03 | 澄迈华盛天涯水泥有限公司 | Raw material vertical mill for cement production |
| CN215029503U (en) * | 2021-04-06 | 2021-12-07 | 重庆蓝保新型建材有限公司 | A milling equipment for fine work mechanism sand |
| CN116786215A (en) * | 2023-06-28 | 2023-09-22 | 安徽海玉新材料科技发展有限公司 | Dust-free environment-friendly heavy calcium powder production equipment and production process thereof |
-
2023
- 2023-10-30 CN CN202311414310.3A patent/CN117138893B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001009303A (en) * | 1999-06-28 | 2001-01-16 | Babcock Hitachi Kk | Roller mill |
| CN103801431A (en) * | 2014-02-19 | 2014-05-21 | 北京电力设备总厂 | Medium-speed vertical mill for milling petroleum coke |
| CN106000616A (en) * | 2016-06-30 | 2016-10-12 | 湖州丰盛新材料有限公司 | Hot air circulation type powder selecting device |
| CN210632221U (en) * | 2019-08-08 | 2020-05-29 | 南阳理工学院 | Pulverizer for processing concrete for building |
| CN213854862U (en) * | 2020-09-15 | 2021-08-03 | 澄迈华盛天涯水泥有限公司 | Raw material vertical mill for cement production |
| CN112264150A (en) * | 2020-11-11 | 2021-01-26 | 湖南金裕氢氧化钙有限公司 | Vertical flour mill |
| CN215029503U (en) * | 2021-04-06 | 2021-12-07 | 重庆蓝保新型建材有限公司 | A milling equipment for fine work mechanism sand |
| CN116786215A (en) * | 2023-06-28 | 2023-09-22 | 安徽海玉新材料科技发展有限公司 | Dust-free environment-friendly heavy calcium powder production equipment and production process thereof |
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| Title |
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|---|---|
| CN117138893A (en) | 2023-12-01 |
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