CN102343296A - Grinding roller sealing device for vertical roller mill - Google Patents
Grinding roller sealing device for vertical roller mill Download PDFInfo
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- CN102343296A CN102343296A CN2011103186329A CN201110318632A CN102343296A CN 102343296 A CN102343296 A CN 102343296A CN 2011103186329 A CN2011103186329 A CN 2011103186329A CN 201110318632 A CN201110318632 A CN 201110318632A CN 102343296 A CN102343296 A CN 102343296A
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- grinding roller
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Abstract
The invention relates to an improvement design of a grinding roller sealing device for a vertical roller mill. In the device, a sealing lining is arranged between a grinding roller gland bush and a rolling shaft; at least two framework oil seals are arranged between the sealing lining and the grinding roller gland bush; a middle spacing ring is arranged between the framework oil seals; and the spacing ring and the sealing lining are provided with oil cavities which correspond to rolling shaft oil holes. The grinding roller sealing device for the vertical roller mill has a good sealing effect, is prevented from halting frequently, and is convenient to maintain.
Description
Technical field
The present invention relates to the improvement design of vertical roll grinder grinding roller sealing device.
Background technology
Roller type vertical mill is a kind of material bed extruding disintegrating apparatus; Mill is driven through decelerator by motor (or hydraulic motor) and makes it center on the center rotation; Fed behind the central point of mill with rotating the mill line formula of spinning through drawing-in device by the material of grinding and to move and spread out to external diffusion; Drive grinding roller by hydraulic loading system and exert pressure, make material be extruded, pulverize to the material of mill card; Mill rotates through this pressurized material drive grinding roller simultaneously, and this makes the operation of grinding roller pressing materials become continuous process.The material that was extruded continues outwards to move with the rotation of mill; When overflowing mill, it runs into the high velocity air that passes vane; Thinner material is just blown up by air-flow; And air-flow blows motionless very thick material and just falls into annular passage and scrape the mill body by scraper, and feeding circularly enhancing machine returns and pushes pulverizing in the mill.The material that is blown up by air-flow; In uphill process because the reduction of air velocity; Thicker material also drops to again and is extruded pulverizing on the mill once more; Continuation is just flow in the powder-separating area of sound state combination formula powder concentrator with gas by the material that the air-flow band gets on; Under the effect of the cage rotor that rotates, realize the separation of thickness powder; The meal mill that drops is extruded pulverizing once more, and fine powder flows to the whirlwind tube with gas to carry out fine powder and separate with gas.Isolated fine powder just becomes the finished product of vertical roller grinder extruding comminution process, and portion gas is recycled, and remaining gas then purifies the back discharging through cleaner.
Grinding roller is the vitals of roller mill, and material is extruded pulverizing under the crunch of grinding roller.Grinding machine usually is equipped with three to four grinding rollers, and each grinding roller all is fixed together with oneself rocking arm.The mutual equidistant placement of grinding roller, the grinding roller axle becomes the 15 ℃ of left and right sides angles during lower position with the mill horizontal plane, keeps 10 millimeter spacings between grinding roller and the mill liner plate.
The critical piece of grinding roller is made up of wheel hub, roll shaft, bearing, lubricating oil pipe, roller shell etc.Grinding roller is supported by two groups of bearings, and cylinder roller bearing is bearing radial force only, and taper roll bearing bears radial and axial load.These two bearings are through the spacer sleeve location.The gap of grinding roller roller shell and collet can guarantee with the adjustment pad on the roll shaft during installation.Roller shell is assembled into one through bolt and wedge shape briquetting and wheel hub, and bearing lubrication is thin oil circulating lubricating, and the position of the oil pipe in the center deep hole of grinding roller axle guarantees the MIN oil level of oil in the grinding roller.
For preventing that dust from getting into the grinding roller bearing, cause the excessive wear of bearing, in the wheel hub outside gland and air inflation sealing device are housed usually.Usually the hermetically-sealed construction between gland and the roll shaft as shown in Figure 2, its sealing is that the twice outside framework oil seal is formed with middle spacer ring, the grease proofing leakage of sealing, another sealing prevent dust entering bearing; Because of seal lip is directly slided grinding roller axle easy abrasion mutually with the grinding roller axle.In order to improve the roll shaft service behaviour, can be regularly through oil nozzle and oil pipe filling lubricant grease between the sealing, get into operation in the mill, very inconvenience but must shut down when refueling.
Summary of the invention
The present invention is directed to above-mentioned defective, purpose is that a kind of good sealing effect is provided, avoids frequent shutdown, easy to maintenance vertical roll grinder grinding roller sealing device.
The technical scheme of the present invention's employing is for this reason: the present invention adds seal cartridge between gland and roll shaft, between seal cartridge and gland, adopts the two outside framework oil seals in four roads with middle spacer ring, and the interval ring is arranged between two groups of outside framework oil seals.One group of (the two outside framework oil seals of right side twice) grease proofing leakage, another group (the two outside framework oil seals of left side twice) prevents that dust from getting into bearing.Two outside framework oil seals outside is provided with a v-seal again in four roads, is used for specially preventing that the dust of outside from getting into the sealing position.Oilhole is arranged on the seal cartridge, keep UNICOM, can enter into seals at through the oilhole on the axle by the oil nozzle outside grinding during oiling with the roll shaft upper oil hole, very convenient.
Advantage of the present invention: 1) because the two outside framework oil seal good rigidlies that adopt, and quantity has more one times, adds v-seal of special dustproof, and sealing effectiveness is very good; 2) owing between outside framework oil seal and roll shaft, install seal cartridge additional, seal lip is not directly slided with the grinding roller axle mutually, but with relative slip of seal cartridge that tightly is enclosed within on the axle, direct wearing and tearing of having avoided spool, replaceable in case of necessity seal cartridge; 3) patent of the present invention adopts the roll shaft of band central lubrication oilhole structural design, can regularly add oiling fat to the sealing through the axle upper oil hole from mill; Need not get into operation in the mill during oiling, easy to maintenance.
Description of drawings
Fig. 1 is a grinding roller structural representation of the present invention.
Fig. 2 is the structural representation of grinding roller sealing device of the present invention.
Fig. 3 is the structural representation of traditional grinding roller sealing device.
The structural representation of Fig. 4 oil circuit of the present invention.
1 is that lubricating oil pipe, 2 is that roll shaft, 3 is that wheel hub, 4 is that gland, 5 is that V-arrangement oil sealing, 6 is that outside framework oil seal, 7 is that spacer ring, 8 is that oilhole, 9 is a seal cartridge among the figure.
The specific embodiment
Sealing device of the present invention is arranged between roll shaft 2 and the gland 4, comprises being arranged on the seal cartridge 9 that is arranged circumferentially between roll shaft 2 and the gland 4; Seal cartridge 9 directly contacts with roll shaft 2; Establish spacer ring 7 between seal cartridge 9 and the gland 2; As shown in Figure 2; Twice outside framework oil seal 6 is established on left side and right side at spacer ring 7 respectively; Certainly the concrete road number of outside framework oil seal 6 can confirm that specifically the present invention designs V-arrangement oil sealing 5 respectively in the outside of four road outside framework oil seals 6 according to actual conditions; In order to make lubricating oil can get into roll shaft 2 smoothly, the present invention is provided with and the corresponding oil pocket of roll shaft 2 oilholes 8 at the correspondence position of spacer ring 7 and seal cartridge 9.
Design concept of the present invention is: as shown in Figure 2; A V-arrangement oil sealing 5 is arranged on the position of outermost near dust; Play the effect that prevents that most dust from getting into; Two lips are outside is in the two outside framework oil seals 6 in spacer ring 7 left sides; It is the second and the 3rd road dust-proof seal ring; Add the adding of seal grease, can guarantee not have dust to enter into bearing inside.The effect of spacer ring 7 is for the entering of seal grease and storage a space to be provided; Two two outside framework oil seals 6 that are in spacer ring 7 right sides that lip is inside; Be the grease proofing sealing rings in first and second roads, add the effect of seal grease, the lubricating oil in the bearing is not gone up basically and can leaked out.The design of seal cartridge 9 is conditions of work of improving roll shaft 2, and its discord outside framework oil seal 6 seals such as grade are directly contacted.Lubricating oil pipe 1 of the present invention be oilhole in the roll shaft 2 through behind the seal cartridge 9, get into each seal, convenient especially during filling, in time, the oil sealing of having avoided oil starvation to cause damages phenomenon.
Claims (3)
1. vertical roll grinder grinding roller sealing device; It is characterized in that, establish seal cartridge between grinding roller gland and the roll shaft, establish twice outside framework oil seal at least between said seal cartridge and the grinding roller gland; Spacer ring in the middle of establishing between the outside framework oil seal, spacer ring, seal cartridge are provided with the oil pocket corresponding with the roll shaft oilhole.
2. vertical roll grinder grinding roller sealing device according to claim 1 is characterized in that, spacer ring in the middle of establishing between said seal cartridge and the grinding roller gland, and middle spacer ring both sides are respectively equipped with the twice outside framework oil seal.
3. vertical roll grinder grinding roller sealing device according to claim 1 and 2 is characterized in that the V-arrangement oil sealing is established in the outside of outside framework oil seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103186329A CN102343296A (en) | 2011-10-19 | 2011-10-19 | Grinding roller sealing device for vertical roller mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103186329A CN102343296A (en) | 2011-10-19 | 2011-10-19 | Grinding roller sealing device for vertical roller mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102343296A true CN102343296A (en) | 2012-02-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103186329A Pending CN102343296A (en) | 2011-10-19 | 2011-10-19 | Grinding roller sealing device for vertical roller mill |
Country Status (1)
| Country | Link |
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| CN (1) | CN102343296A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103223587A (en) * | 2013-05-15 | 2013-07-31 | 中国神华能源股份有限公司 | Device and method for replacing output shaft oil seal of cantilever belt speed reducer of stacker |
| CN103775651A (en) * | 2012-10-18 | 2014-05-07 | 上海汉钟精机股份有限公司 | Multi-level lip seal leakproof structure for compressor shaft seal |
| CN105202196A (en) * | 2015-09-14 | 2015-12-30 | 东莞市科锐机电设备有限公司 | Dust seal device of battery slurry blender and dust seal method of dust seal device |
| CN105465289A (en) * | 2015-12-25 | 2016-04-06 | 中车戚墅堰机车车辆工艺研究所有限公司 | Hub reduction gear |
| CN105465370A (en) * | 2015-12-25 | 2016-04-06 | 中车戚墅堰机车车辆工艺研究所有限公司 | Rotary sealing structure for rotating shaft |
| CN108043566A (en) * | 2017-12-13 | 2018-05-18 | 马鞍山市荣亿密封材料有限责任公司 | A kind of main shaft seal monitoring device |
| CN108421628A (en) * | 2018-05-17 | 2018-08-21 | 亿利洁能科技(武威)有限公司 | A kind of anti-coal dust device of Roller of Coal Grinder |
-
2011
- 2011-10-19 CN CN2011103186329A patent/CN102343296A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103775651A (en) * | 2012-10-18 | 2014-05-07 | 上海汉钟精机股份有限公司 | Multi-level lip seal leakproof structure for compressor shaft seal |
| CN103223587A (en) * | 2013-05-15 | 2013-07-31 | 中国神华能源股份有限公司 | Device and method for replacing output shaft oil seal of cantilever belt speed reducer of stacker |
| CN105202196A (en) * | 2015-09-14 | 2015-12-30 | 东莞市科锐机电设备有限公司 | Dust seal device of battery slurry blender and dust seal method of dust seal device |
| CN105465289A (en) * | 2015-12-25 | 2016-04-06 | 中车戚墅堰机车车辆工艺研究所有限公司 | Hub reduction gear |
| CN105465370A (en) * | 2015-12-25 | 2016-04-06 | 中车戚墅堰机车车辆工艺研究所有限公司 | Rotary sealing structure for rotating shaft |
| CN108043566A (en) * | 2017-12-13 | 2018-05-18 | 马鞍山市荣亿密封材料有限责任公司 | A kind of main shaft seal monitoring device |
| CN108043566B (en) * | 2017-12-13 | 2020-02-18 | 马鞍山市荣亿密封材料有限责任公司 | Main shaft seal monitoring device |
| CN108421628A (en) * | 2018-05-17 | 2018-08-21 | 亿利洁能科技(武威)有限公司 | A kind of anti-coal dust device of Roller of Coal Grinder |
| CN108421628B (en) * | 2018-05-17 | 2024-04-02 | 亿利洁能科技(武威)有限公司 | Coal pulverizer grinding roller coal dust preventing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120208 |