CN115254314A - Vertical roller mill - Google Patents
Vertical roller mill Download PDFInfo
- Publication number
- CN115254314A CN115254314A CN202211074339.7A CN202211074339A CN115254314A CN 115254314 A CN115254314 A CN 115254314A CN 202211074339 A CN202211074339 A CN 202211074339A CN 115254314 A CN115254314 A CN 115254314A
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- China
- Prior art keywords
- shell
- separation
- roller mill
- rotating seat
- screen plate
- 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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- 239000000463 material Substances 0.000 claims abstract description 70
- 238000012216 screening Methods 0.000 claims abstract description 25
- 238000000926 separation method Methods 0.000 claims description 103
- 238000004140 cleaning Methods 0.000 claims description 34
- 239000002245 particle Substances 0.000 claims description 16
- 238000007664 blowing Methods 0.000 claims description 11
- 241001233242 Lontra Species 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 7
- 238000005086 pumping Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000004568 cement Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
Images
Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/10—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone
- B02C23/12—Separating or sorting of material, associated with crushing or disintegrating with separator arranged in discharge path of crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/08—Cleaning arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B7/00—Selective separation of solid materials carried by, or dispersed in, gas currents
- B07B7/06—Selective separation of solid materials carried by, or dispersed in, gas currents by impingement against sieves
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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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention relates to the technical field of vertical roller mills, and discloses a vertical roller mill which aims at solving the problem that the efficiency of the existing vertical roller mill is lower when materials are separated. When the grinding mechanism is used, materials on the rotating seat are ground by the grinding mechanism, the screening holes, the second separating screen plate and the first separating screen plate sequentially screen the materials, meanwhile, the crushing rod crushes the materials on the rotating seat, the grinding efficiency is improved, the rotating shaft drives the second separating screen plate and the first separating screen plate to rotate, the positions of the side surfaces of the second separating screen plate and the first separating screen plate are changed relative to the opening positions of the screening holes, air and the materials filtered by the screening holes can be in uniform contact with the side surfaces of the second separating screen plate and the first separating screen plate, and the separating efficiency is improved.
Description
Technical Field
The invention relates to the technical field of vertical roller mills, in particular to a vertical roller mill.
Background
The vertical roller mill is used for grinding and processing cement raw materials, cement clinker, slag and coal cinder, and has the characteristics of simple structure and low manufacturing and using cost. The existing vertical roller mill comprises a mill body, a mill device and a transmission device, a centering structure for determining a rotation center is arranged between the mill body and the mill device, a rotary guide rail is fixedly arranged at the bottom of the mill device, the mill device can be rotatably supported on the mill body through the rotary guide rail, the mill device is in transmission connection with the transmission device, the vertical roller mill further comprises a separating mechanism for screening ground materials, and the existing vertical roller mill has the problem of low efficiency when the materials are separated.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a vertical roller mill.
In order to achieve the purpose, the invention adopts the following technical scheme:
a vertical roller mill comprises a base, wherein a roller mill shell is movably arranged at the top of the base, the vertical roller mill also comprises a feeding part used for feeding materials, and a rotating seat is movably arranged at the bottom inside the roller mill shell and used for receiving the fed materials; the first driving part is used for driving the rotating seat to rotate horizontally; the rotating seat is of a hollow structure, and the top of the rotating seat is provided with an air outlet; the air pump is used for blowing air into the rotating seat; the grinding mechanism is used for grinding the materials on the rotating seat; the crushing mechanism is used for crushing the materials on the rotating seat; the crushing mechanism comprises a rotating shaft movably arranged on the rotating seat, and a crushing rod is arranged on the side surface of the rotating shaft; the fourth driving component is used for driving the rotating shaft to rotate reversely relative to the rotating seat; a separating shell is mounted at the top of the roller mill shell, and one side of the separating shell, which is close to the rotating seat, is of a conical structure; an air exhaust shell is arranged on one side of the separation shell, which is far away from the rotating seat, and is used for exhausting air inside the separation shell; the device also comprises a separating mechanism which is used for screening the blown materials in the roller mill shell; the separation mechanism comprises a screening hole formed in the side face of the separation shell; the pivot extends to the inside one end of separation casing and installs the second separation otter board, and the one end that the seat was kept away from to the second separation otter board is installed first separation otter board.
Preferably, the circle center of the top of the rotating seat is convexly arranged, and the circumference of the top of the rotating seat is concavely arranged.
Preferably, the grinding mechanism comprises a grinding roller arranged in the roller mill shell, and the position of the grinding roller corresponds to the position of the concave part at the top of the rotating seat; and the third driving component is used for driving the grinding roller to rotate.
Preferably, the first separation screen plate is of an arc-shaped structure, and one side of the first separation screen plate, which is close to the second separation screen plate, is an inner arc surface; the second separating screen plate is of a funnel-shaped structure and is used for increasing the contact area of the second separating screen plate and air and materials in the roller mill shell.
Preferably, the side surface of the rotating shaft in the separating shell is provided with a cleaning mechanism through an installation mechanism, and the cleaning mechanism is used for cleaning and dredging the opening of the screening hole.
Preferably, the mounting mechanism comprises a mounting shell mounted on the side surface of the rotating shaft; an extension rod is installed inside the installation shell through an installation spring.
Preferably, the cleaning mechanism includes a cleaning blade of a hollow structure; the side surface of the cleaning scraper is provided with a gas blowing hole; the opening position of the air blowing hole corresponds to the opening position of the screening hole; one side of the cleaning scraper is connected with one end of the extension rod far away from the rotating shaft; the inside of the cleaning scraper is communicated with the air outlet end of the air pump through a connecting pipe.
Preferably, the rotating shaft is of a hollow structure; the top opening of the rotating shaft is communicated with the inside of the second separation screen plate, and the first separation screen plate filters large-particle materials falling into the second separation screen plate and slides to the top opening of the rotating shaft along the inner wall of the second separation screen plate; and a discharge hole is formed in the side face of one end, located outside the separation shell, of the rotating shaft.
Preferably, the feed inlet has been seted up to the side of pivot, and the open position of feed inlet is corresponding with the inside bottom position of separation casing, and the second separates the large granule material that the otter board filtered and dropped in the separation casing, along the inner wall landing to feed inlet department of separation casing.
Preferably, the inner wall of the roller mill shell is provided with a guide groove for guiding the rotation of the rotating seat.
The invention has the beneficial effects that:
when the grinding device is used, a material to be ground is fed to the rotating seat by the feeding part, the grinding mechanism grinds the material on the rotating seat, meanwhile, the first driving part drives the rotating seat to rotate horizontally, the grinding mechanism is guaranteed to grind the material fully, meanwhile, air is blown into the rotating seat by the air pump, air flow is sprayed out from the air outlet, the material on the rotating seat is blown, the inside of the separation shell is pumped by the air pumping shell, air in the roller mill shell flows from bottom to top in the grinding process, the screening holes screen the material flowing upwards along with the air, small-particle materials enter the separation shell through the screening holes and then are screened again through the second separation screen plate and the first separation screen plate in sequence until the small-particle materials are discharged through the air pumping shell to obtain a product, the large-particle materials fall back to the rotating seat after being contacted with the side surface of the separation shell and are ground again, meanwhile, the fourth driving part drives the rotating shaft to rotate, the crushing rod crushes the material on the rotating seat, the grinding efficiency is improved, the second separation screen plate and the first separation screen plate rotates, the opening position of the side surface of the first separation screen plate is changed, and the second separation screen plate is uniformly contacted with the first separation screen plate, and the filtering efficiency of the second separation screen plate is improved.
Drawings
Fig. 1 is a schematic structural diagram of a vertical roller mill according to an embodiment of the present invention;
fig. 2 is a structural sectional view of a cleaning mechanism and a crushing mechanism of a vertical roller mill according to an embodiment of the invention;
fig. 3 is a schematic structural diagram of a cleaning mechanism of a vertical roller mill according to an embodiment of the invention.
In the figure: 1-base, 2-first driving part, 3-air pump, 4-guide groove, 5-rotating seat, 6-grinding mechanism, 61-grinding roller, 62-third driving part, 7-feeding part, 8-roller grinding shell, 9-separating shell, 10-air extracting shell, 11-separating mechanism, 111-first separating screen plate, 112-second separating screen plate, 113-screening hole, 12-mounting mechanism, 121-mounting shell, 122-extension rod, 123-mounting spring, 13-air outlet hole, 14-crushing mechanism, 141-fourth driving part, 142-rotating shaft, 143-crushing rod, 15-feeding hole, 16-discharging hole, 17-cleaning mechanism, 171-cleaning scraper and 172-air blowing hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 3, the vertical roller mill comprises a base 1, a roller mill shell 8 is movably arranged at the top of the base 1, a feeding part 7 is used for feeding materials, and a rotating seat 5 is movably arranged at the bottom inside the roller mill shell 8 and used for receiving the fed materials; the device also comprises a first driving component 2 for driving the rotating seat 5 to rotate horizontally; the rotating seat 5 is of a hollow structure, and the top of the rotating seat 5 is provided with an air outlet 13; the air pump 3 is used for blowing air into the rotating seat 5; the grinding mechanism 6 is used for grinding the materials on the rotating seat 5; the crushing mechanism 14 is used for crushing the materials on the rotating seat 5; the crushing mechanism 14 comprises a rotating shaft 142 movably mounted on the rotating seat 5, and a crushing rod 143 is mounted on the side surface of the rotating shaft 142; a fourth driving part 141 for driving the rotating shaft 142 to rotate reversely relative to the rotating base 5; a separating shell 9 is mounted at the top of the roller mill shell 8, and one side of the separating shell 9 close to the rotating seat 5 is of a conical structure; an air exhaust shell 10 is arranged on one side of the separation shell 9, which is far away from the rotating seat 5, and is used for exhausting air inside the separation shell 9; the device also comprises a separating mechanism 11 which is used for screening the blown materials in the roller mill shell 8; the separating mechanism 11 comprises a screening hole 113 formed in the side surface of the separating shell 9; the second separation mesh plate 112 is installed at one end of the rotating shaft 142 extending to the inside of the separation shell 9, and the first separation mesh plate 111 is installed at one end, far away from the rotating base 5, of the second separation mesh plate 112.
When the grinding device is used, a material to be ground is fed onto the rotating seat 5 by the feeding part 7, the material on the rotating seat 5 is ground by the grinding mechanism 6, meanwhile, the rotating seat 5 is driven by the first driving part 2 to rotate horizontally, the material is guaranteed to be ground sufficiently by the grinding mechanism 6, meanwhile, air is blown into the rotating seat 5 by the air pump 3, air flow is sprayed out from the air outlet hole 13, the material on the rotating seat 5 is blown, air is sucked into the separation shell 9 through the air suction shell 10, air in the roller shell 8 flows from bottom to top in the grinding process, the material flowing upwards along with the air is screened by the screening hole 113, small-particle materials enter the separation shell 9 through the screening hole 113 and are screened again through the second separation screen 112 and the first separation screen 111 in sequence until the small-particle materials are discharged through the air suction shell 10, the large-particle materials fall back to the rotating seat 5 after contacting with the side surface of the separation shell 9 and are ground again, meanwhile, the fourth driving part 141 drives the rotating shaft 142 to rotate, the material on the rotating seat 5 is crushed by the crushing rod 143, the grinding efficiency is improved, the first separation screen 112 and the side surface of the first separation screen 112, the separation screen 112 and the side surface of the separation screen 113, the separation screen 112 can be changed, and the side surface of the separation screen 112, the separation screen 113, and the separation screen 112, the separation screen 113, the separation screen 112 can be uniformly.
As a preferred embodiment of the present invention, the center of the top of the rotating seat 5 is provided with a protrusion, and the circumference of the top of the rotating seat 5 is provided with a recess.
As a preferred embodiment of the present invention, the grinding mechanism 6 comprises a grinding roller 61 installed in the roller mill housing 8, the position of the grinding roller 61 corresponds to the position of the depression at the top of the rotating seat 5; still including being used for driving grinding roller 61 pivoted third drive component 62, third drive component 62 drive grinding roller 61 rotates during the use, grinds the material of landing to the depressed place on rotating-base 5, guarantees that the material fully contacts with grinding roller 61.
As a preferred embodiment of the present invention, the first separating screen 111 is an arc-shaped structure, and one side of the first separating screen 111 close to the second separating screen 112 is an intrados; the second separating screen 112 is of a funnel-type construction and is intended to increase the contact area with the air and material in the mill shell 8.
In a preferred embodiment of the present invention, a cleaning mechanism 17 is installed on the side of the rotating shaft 142 inside the separating housing 9 through the installation mechanism 12 for cleaning and dredging the opening of the sieving hole 113.
As a preferred embodiment of the present invention, the mounting mechanism 12 includes a mounting housing 121 mounted on a side of the rotating shaft 142; an extension rod 122 is mounted inside the mounting case 121 via a mounting spring 123.
As a preferred embodiment of the present invention, the cleaning mechanism 17 includes a cleaning blade 171 of a hollow structure; a blowing hole 172 is formed in the side surface of the cleaning blade 171; the opening position of the blowing hole 172 corresponds to the opening position of the sieving hole 113; one side of the cleaning scraper 171 is connected with one end of the extension rod 122 far away from the rotating shaft 142; the inside of cleaning blade 171 is through the end intercommunication of giving vent to anger of connecting pipe and air pump 3, when pivot 142 drives cleaning blade 171 and rotates, installation spring 123 promotes extension rod 122 and cleaning blade 171 for cleaning blade 171's side scrapes the inner wall of separation casing 9, and air pump 3 is blown into the air to cleaning blade 171's inside simultaneously, and the air current is blown clean from gas hole 172 blowout, to the opening of screening hole 113, and the opening of avoiding screening hole 113 is blockked up.
As a preferred embodiment of the present invention, the rotating shaft 142 has a hollow structure; the top opening of the rotating shaft 142 is communicated with the inside of the second separation screen plate 112, and the large-particle materials filtered by the first separation screen plate 111 and falling into the second separation screen plate 112 slide to the top opening of the rotating shaft 142 along the inner wall of the second separation screen plate 112; the side surface of one end of the rotating shaft 142, which is positioned outside the separation shell 9, is provided with a discharge hole 16.
As a preferred embodiment of the present invention, a feed inlet 15 is formed on a side surface of the rotating shaft 142, an opening position of the feed inlet 15 corresponds to a bottom position inside the separation shell 9, the second separation screen 112 filters and drops large-particle materials in the separation shell 9, the large-particle materials slide down to the feed inlet 15 along an inner wall of the separation shell 9, the materials are filtered by the first separation screen 111 and drop in the second separation screen 112, the large-particle materials slide down to the opening of the rotating shaft 142 on the inner wall of the second separation screen 112, and the large-particle materials drop in the rotating shaft 142; the materials filtered by the second separation mesh plate 112 and falling into the separation shell 9 slide down to the opening of the feed inlet 15 on the inner wall of the separation shell 9, enter the rotating shaft 142 through the feed inlet 15, and fall into the rotating shaft 142 through the discharge outlet 16 to be ground again on the rotating seat 5, so that the materials can be fully ground.
In a preferred embodiment of the present invention, the inner wall of the mill housing 8 is provided with a guide groove 4 for guiding the rotation of the rotatable base 5.
When the grinding device is used, a material to be ground is fed onto the rotating seat 5 by the feeding part 7, the material on the rotating seat 5 is ground by the grinding mechanism 6, meanwhile, the rotating seat 5 is driven by the first driving part 2 to horizontally rotate, the material is fully ground by the grinding mechanism 6, meanwhile, air is blown into the rotating seat 5 by the air pump 3, air flow is ejected from the air outlet 13 to blow the material on the rotating seat 5, the inside of the separation shell 9 is pumped by the air pumping shell 10, so that air in the roller shell 8 flows from bottom to top in the grinding process, the material flowing upwards along with the air is screened by the screening holes 113, small-particle materials enter the separation shell 9 through the screening holes 113 and are screened again through the second separation screen 112 and the first separation screen 111 in sequence until the material is discharged through the air pumping shell 10, the large-particle materials fall back to the rotating seat 5 after contacting with the side surface of the separation shell 9 and are ground again, meanwhile, the fourth driving part 141 drives the rotating shaft 142 to rotate, the crushing rod 143 crushes the material on the rotating seat 5, the first separation screen 112 and the side surface of the first separation screen 112, the first separation screen 112 and the side surface of the separation screen 112, so that the separation screen 112 and the side surface of the separation screen 113 are uniformly changed, and the opening of the first separation screen 112; when the grinding roll is used, the third driving part 62 drives the grinding roll 61 to rotate, so that materials sliding to the concave position on the rotating seat 5 are ground, and the materials are ensured to be fully contacted with the grinding roll 61; when the rotating shaft 142 drives the cleaning scraper 171 to rotate, the mounting spring 123 pushes the extension rod 122 and the cleaning scraper 171, so that the side surface of the cleaning scraper 171 scrapes off the inner wall of the separation casing 9, meanwhile, the air pump 3 blows air into the cleaning scraper 171, the air flow is sprayed out from the air blowing holes 172 to blow off the openings of the screening holes 113, and the openings of the screening holes 113 are prevented from being blocked; the materials filtered by the first separation screen 111 and falling into the second separation screen 112 slide down to the opening of the rotating shaft 142 on the inner wall of the second separation screen 112 and fall into the rotating shaft 142; the materials filtered by the second separation mesh plate 112 and falling into the separation shell 9 slide down to the opening of the feed inlet 15 on the inner wall of the separation shell 9, enter the rotating shaft 142 through the feed inlet 15, and fall into the rotating shaft 142 through the discharge outlet 16 to be ground again on the rotating seat 5, so that the materials can be fully ground.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A vertical roller mill comprises a base, wherein a roller mill shell is movably arranged at the top of the base, and the vertical roller mill also comprises a feeding part used for feeding materials;
the first driving part is used for driving the rotating seat to rotate horizontally;
the rotating seat is of a hollow structure, and the top of the rotating seat is provided with an air outlet;
the air pump is used for blowing air into the rotating seat;
the grinding mechanism is used for grinding the materials on the rotating seat;
the crushing mechanism is used for crushing the materials on the rotating seat;
the crushing mechanism comprises a rotating shaft movably arranged on the rotating seat, and a crushing rod is arranged on the side surface of the rotating shaft;
the fourth driving component is used for driving the rotating shaft to rotate reversely relative to the rotating seat;
a separating shell is mounted at the top of the roller mill shell, and one side of the separating shell, which is close to the rotating seat, is of a conical structure;
an air exhaust shell is arranged on one side of the separation shell, which is far away from the rotating seat, and is used for exhausting air inside the separation shell;
the device also comprises a separating mechanism which is used for screening the blown materials in the roller mill shell;
the separation mechanism comprises screening holes formed in the side face of the separation shell;
the pivot extends to the inside one end of separation casing and installs the second separation otter board, and the one end that the seat was kept away from to the second separation otter board is installed first separation otter board.
2. The vertical roller mill according to claim 1, characterized in that the center of the top of the rotating seat is provided with a projection, and the circumference of the top of the rotating seat is provided with a recess.
3. The vertical roller mill according to claim 2, wherein the grinding mechanism comprises a grinding roller mounted in the roller mill housing, the position of the grinding roller corresponding to the position of the depression at the top of the rotatable base;
and the third driving component is used for driving the grinding roller to rotate.
4. The vertical roller mill of claim 1, characterized in that the first separating screen is an arc-shaped structure, and one side of the first separating screen close to the second separating screen is an intrados surface;
the second separating screen plate is of a funnel-shaped structure and is used for increasing the contact area of the second separating screen plate and air and materials in the roller mill shell.
5. The vertical roller mill according to claim 1, characterized in that the side of the rotating shaft in the separating shell is provided with a cleaning mechanism through a mounting mechanism for cleaning and dredging the opening of the screening hole.
6. The vertical roller mill according to claim 5, characterized in that the mounting mechanism comprises a mounting housing mounted on the side of the rotary shaft;
an extension rod is installed inside the installation shell through an installation spring.
7. The vertical roller mill according to claim 6, characterized in that the cleaning mechanism comprises a cleaning blade of a hollow structure;
the side surface of the cleaning scraper is provided with a gas blowing hole;
the opening position of the air blowing hole corresponds to the opening position of the screening hole;
one side of the cleaning scraper is connected with one end of the extension rod far away from the rotating shaft;
the inside of the cleaning scraper is communicated with the air outlet end of the air pump through a connecting pipe.
8. The vertical roller mill according to claim 7, characterized in that the shaft is of a hollow structure;
the top opening of the rotating shaft is communicated with the inside of the second separation screen plate, and the large-particle materials filtered by the first separation screen plate and falling into the second separation screen plate slide to the top opening of the rotating shaft along the inner wall of the second separation screen plate;
and a discharge hole is formed in the side face of one end, located outside the separation shell, of the rotating shaft.
9. The vertical roller mill according to claim 8, wherein a feed inlet is formed in the side surface of the rotating shaft, the opening position of the feed inlet corresponds to the bottom position of the inside of the separation shell, and the second separation screen plate filters large-particle materials falling into the separation shell and slides to the feed inlet along the inner wall of the separation shell.
10. The vertical roller mill according to claim 1, characterized in that the inner wall of the roller mill shell is provided with a guide groove for guiding the rotation of the rotating base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211074339.7A CN115254314A (en) | 2022-09-03 | 2022-09-03 | Vertical roller mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211074339.7A CN115254314A (en) | 2022-09-03 | 2022-09-03 | Vertical roller mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115254314A true CN115254314A (en) | 2022-11-01 |
Family
ID=83754375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211074339.7A Pending CN115254314A (en) | 2022-09-03 | 2022-09-03 | Vertical roller mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115254314A (en) |
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| CN208695599U (en) * | 2018-05-11 | 2019-04-05 | 张雪影 | A kind of construction site silt screening plant |
| CN209174039U (en) * | 2018-11-23 | 2019-07-30 | 江苏瑞和磨料磨具有限公司 | Dual filtering type roller mill |
| CN210474159U (en) * | 2019-07-02 | 2020-05-08 | 龙岩市全鸿建材有限公司 | Vertical roller mill returning charge device |
| CN210965355U (en) * | 2019-10-19 | 2020-07-10 | 常州坚鹏建材有限公司 | Mineral powder vertical mill with multistage sorting mechanism |
| CN211359027U (en) * | 2019-12-05 | 2020-08-28 | 灵寿县起源新型材料有限公司 | Vertical mill device for producing slag micro powder |
| CN214487172U (en) * | 2021-02-07 | 2021-10-26 | 曲靖市马龙区耀呈物资综合利用有限公司 | Vertical grinding device is used in slay miropowder production |
| CN114950618A (en) * | 2022-06-14 | 2022-08-30 | 靖文青 | Coal mining and crushing device for coal mine |
-
2022
- 2022-09-03 CN CN202211074339.7A patent/CN115254314A/en active Pending
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| CA2303742A1 (en) * | 1999-05-19 | 2000-11-19 | Bbp Energy Gmbh | Centrifugal separator |
| CN208695599U (en) * | 2018-05-11 | 2019-04-05 | 张雪影 | A kind of construction site silt screening plant |
| CN209174039U (en) * | 2018-11-23 | 2019-07-30 | 江苏瑞和磨料磨具有限公司 | Dual filtering type roller mill |
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| CN211359027U (en) * | 2019-12-05 | 2020-08-28 | 灵寿县起源新型材料有限公司 | Vertical mill device for producing slag micro powder |
| CN214487172U (en) * | 2021-02-07 | 2021-10-26 | 曲靖市马龙区耀呈物资综合利用有限公司 | Vertical grinding device is used in slay miropowder production |
| CN114950618A (en) * | 2022-06-14 | 2022-08-30 | 靖文青 | Coal mining and crushing device for coal mine |
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