CN102966738A - Sealing device of vertical grinding transmission scraper board cavity - Google Patents
Sealing device of vertical grinding transmission scraper board cavity Download PDFInfo
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- CN102966738A CN102966738A CN2012105152374A CN201210515237A CN102966738A CN 102966738 A CN102966738 A CN 102966738A CN 2012105152374 A CN2012105152374 A CN 2012105152374A CN 201210515237 A CN201210515237 A CN 201210515237A CN 102966738 A CN102966738 A CN 102966738A
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Abstract
The invention discloses a sealing device of a vertical grinding transmission scraper board cavity. The sealing device comprises a sealing cone, a sealing ring and a sealing seat, wherein the sealing cone is arranged at the upper part of a grinding disk seat; the sealing ring is arranged at the lower part of the grinding disk seat; the sealing seat is mounted on a grinding machine; the sealing seat, the sealing cone and the sealing ring form the sealing device; a static seal is arranged at the upper part of the sealing seat; a dynamic seal is arranged at the lower part of the sealing cone; the static seal and the dynamic seal form the sealing device; and the dynamic seal can rotate relative to the static seal. The sealing device of the vertical grinding transmission scraper board cavity is transformed on the basis of the original seal, reasonable in structure and maintenance-free, so that the original sealing device is effectively protected, the integration rate is greatly increased, and dust particles do not enter even if the combined seal is locally damaged. By adoption of the sealing device of the vertical grinding transmission scraper board cavity, the site environment of the vertical grinding machine is greatly improved, the secondary pollution phenomenon is eliminated and the equipment operation rate is increased.
Description
Technical field
The invention belongs to the water-tight equipment of cement industry, relate in particular to raw material roller mill scraper plate cavity sealing device.
Background technique
The raw material roller mill of novel concrete dry process production line in use advanced with its technique, safe and reliable to operation, less investment, floor space is little, unit-hour output is high advantage is extensively adopted by cement industry.But special because of the equipment operation operating mode, the defective of sealing transmission is the shortcoming of Vertical Mill environment and running.Because Vertical Mill is vertical installation, transport material to grinding machine by proportioning station through belt, enter Vertical Mill through three road air valves, be deposited in the middle of the mill, because the grinding roller that rotarily drives of mill rotates, material moves to the mill edge under the effect of centrifugal force, mill between the engaging-in roller dish, only at the Reference diameter place, linear velocity is consistent between the roller dish, all there is speed difference at other positions, namely form and shear.In mill processes, there is partial material to be pushed to the edge, cross blocking material ring, taken up by high velocity air, the large particle mill that falls back carries out again grinding, granule is brought into separator, select powder under revolution fan blade effect, coarse granule is through the collision consumed energy mill that falls back, and qualified particle is sent into feed bin by the road by wind.Circulate up and down through tens times like this and can become finished product.Specific granule such as iron are fast etc., fall into the mill below through nozzle ring, are discharged outside the mill by scraper plate.
Because the hot blast of Vertical Mill is to enter from the bottom, discharge from the outlet on top through spout ring separator.So the material in the scraper plate chamber can leak outside along the gap of rotary packing ring, so the quality of Vertical Mill surrounding environment when producing depends on the sealing effect in scraper plate chamber.Because the bottom that is sealed in grinding machine in scraper plate chamber, and the used hot blast of grinding machine is again to enter from the bottom, enters to grind hot blast at 200 ℃.Add that material washes away sealing and very easily be out of shape.Material enters the space between mill and the sealing cone in a large number, because abrasive disk seat is dynamic, the gap occurs when the stationary seal ring of bottom and the relative movement between the abrasive disk seat, causes a large amount of dust material excessive, seal ineffective gradually, environmental deterioration.
Summary of the invention
The purpose of this suction is to provide the seal arrangement in a kind of Vertical Mill transmission scraper plate chamber, and this device adapts to better tightness, by the multiple tracks raised seals, makes the dust material not enter cavity between abrasive disk seat and the static seal, to reach the purpose of sealing effect.
Be practical above-mentioned purpose, the present invention by the following technical solutions:
The seal arrangement in a kind of Vertical Mill transmission scraper plate chamber, comprise the sealing cone that is arranged on abrasive disk seat top, seal ring and the sealing seat of abrasive disk seat bottom, sealing seat is installed on the grinding machine, sealing seat and sealing cone and seal ring consist of seal arrangement, top at sealing seat also is provided with static seal, be provided with motive sealing in sealing cone bottom, static seal and motive sealing consist of seal arrangement, and motive sealing can be rotated relative to static seal.
The seal arrangement in above-mentioned Vertical Mill transmission scraper plate chamber, described static seal is arranged on the stationary ring shape sealing plate on sealing seat top, on stationary ring shape sealing plate, be provided with two annular quiet projections that make progress, be provided with running clearance between the annular quiet projection that two make progress, described motive sealing is arranged on the rotating ring shape sealing plate of sealing cone bottom, on rotating ring shape sealing plate, be provided with the moving projection of two downward annulars, be provided with running clearance between two moving projections of downward annular, the moving projection of annular downward on the rotating ring shape sealing plate is stuck in two running clearances between the annular quiet projection that makes progress, and the moving projection of annular can be rotated in running clearance.
The seal arrangement in above-mentioned Vertical Mill transmission scraper plate chamber, described stationary ring shape sealing plate is welded on the top of sealing seat, and rotating ring shape sealing plate is welded on sealing cone bottom.
Adopt technique scheme, the present invention is by following advantage: stationary ring shape sealing plate is welded on the sealing cone, along with abrasive disk seat and sealing coning turn, stationary ring shape sealing plate is welded on the former sealing seat static, utilizes gap between the sound and the projection on the sound annular seal plate to stop entering of material.From but granule dust is difficult for entering seal arrangement; even having a small amount of dust to enter also can stop in the first projection; be difficult to continue to enter by second raised seals dust; the present invention is transformed on former Packed basis; it is rational in infrastructure; non-maintaining; original seal arrangement is effectively protected; serviceability rate greatly improves; also can guarantee that dust granules can not enter even the local appearance of combination seal damages, use of the present invention is greatly improved the vertical mill site environment; eliminate the secondary pollution phenomenon, improved operation rate.
Description of drawings
Fig. 1 is structural representation of the present invention.
Embodiment
The seal arrangement in a kind of Vertical Mill transmission scraper plate chamber as shown in Figure 1, comprise the sealing cone 2 that is arranged on abrasive disk seat 1 top, the seal ring 3 of abrasive disk seat bottom and sealing seat 6, sealing seat 6 is installed on the grinding machine, sealing seat 6 and sealing cone 2 and seal ring 3 consist of seal arrangement, top at sealing seat 6 also is provided with static seal 4, be provided with motive sealing 5 in sealing cone bottom, static seal 4 and motive sealing 5 consist of seal arrangement, described static seal 4 is arranged on the stationary ring shape sealing plate 7 on sealing seat top, on stationary ring shape sealing plate, be provided with two make progress annular quiet protruding 8, two make progress annular quiet protruding 8 between be provided with running clearance, described motive sealing 5 is arranged on the rotating ring shape sealing plate 9 of sealing cone bottom, be provided with the moving projection 10 of two downward annulars at rotating ring shape sealing plate 9, be provided with running clearance between two moving projections 10 of downward annular, on the rotating ring shape sealing plate the moving projection 10 of downward annular be stuck in two make progress annular quiet protruding 8 between running clearance in, and the moving projection 10 of annular can be rotated in running clearance, described stationary ring shape sealing plate 7 is welded on the top of sealing seat 6, and rotating ring shape sealing plate 9 is welded on sealing cone 2 bottoms.
Vertical Mill scraper plate cavity sealing device of the present invention is the seal arrangement at inner transmission position, a kind of scraper plate of new type nonaqueous cement production line raw material roller mill chamber, seal arrangement is installed in the Vertical Mill sealing and bores on upper and the former sealing seat that carries, on former sealing seat and sealing cone, to increase respectively motive sealing and static seal newly, being that former sealing cone is upper uses wearing and tearing to become the rear material that leaks of row for a long time, the moving projection of the annular on soldering rotating ring shape sealing plate and the rotating ring shape sealing plate again in the above, the projection of dying on soldering stationary ring shape sealing plate on the former sealing seat and stationary ring shape sealing plate.Between moving, annular quiet projection, reserve certain running clearance, in case when operation, expand friction.
Sealing plate of the present invention stationary ring shape sealing plate 4 be welded on the actionless former sealing seat and do, rotating ring shape sealing plate 5 is welded on the sealing cone 2.
In the work, the sound annular seal plate that increases newly makes dust granules be difficult to enter in the cavity of abrasive disk seat 1 and former sealing seat by relative rotation by wind action.
Claims (3)
1. the seal arrangement in a Vertical Mill transmission scraper plate chamber, comprise the sealing cone (2) that is arranged on abrasive disk seat (1) top, seal ring (3) and the sealing seat (6) of abrasive disk seat bottom, sealing seat (6) is installed on the grinding machine, sealing seat (6) and sealing cone (2) and seal ring (3) consist of seal arrangement, it is characterized in that: also be provided with static seal (4) on the top of sealing seat (6), be provided with motive sealing (5) in sealing cone bottom, static seal (4) and motive sealing (5) consist of seal arrangement.
2. the seal arrangement in Vertical Mill transmission scraper plate according to claim 1 chamber, it is characterized in that: described static seal (4) is arranged on the stationary ring shape sealing plate (7) on sealing seat top, on stationary ring shape sealing plate, be provided with two annular quiet projections (8) that make progress, be provided with running clearance between the annular quiet projection (8) that two make progress, described motive sealing (5) is arranged on the rotating ring shape sealing plate (9) of sealing cone bottom, be provided with the moving projections of two downward annulars (10) at rotating ring shape sealing plate (9), be provided with running clearance between two moving projections of downward annular (10), the moving projection of annular (10) downward on the rotating ring shape sealing plate is stuck in two running clearances between the annular quiet projection (8) that makes progress, and the moving projection of annular (10) can be rotated in running clearance.
3. the seal arrangement in Vertical Mill transmission scraper plate claimed in claim 1 according to claim 2 chamber, it is characterized in that: described stationary ring shape sealing plate (7) is welded on the top of sealing seat (6), and rotating ring shape sealing plate (9) is welded on sealing cone (2) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210515237.4A CN102966738B (en) | 2012-12-05 | 2012-12-05 | The seal arrangement in Vertical Mill transmission scraper plate chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210515237.4A CN102966738B (en) | 2012-12-05 | 2012-12-05 | The seal arrangement in Vertical Mill transmission scraper plate chamber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102966738A true CN102966738A (en) | 2013-03-13 |
| CN102966738B CN102966738B (en) | 2015-09-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210515237.4A Active CN102966738B (en) | 2012-12-05 | 2012-12-05 | The seal arrangement in Vertical Mill transmission scraper plate chamber |
Country Status (1)
| Country | Link |
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| CN (1) | CN102966738B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179980A (en) * | 2014-08-12 | 2014-12-03 | 总装备部工程设计研究总院 | Multiple-seal device for non-contact structures |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4501430A (en) * | 1982-12-01 | 1985-02-26 | Deutsche Babcock Werke Aktiengesellschaft | Means of sealing off the inside of a pulverizer |
| CN201106681Y (en) * | 2007-09-05 | 2008-08-27 | 江苏科行环境工程技术有限公司 | Sealing device of lying rolling grinder |
| CN201168615Y (en) * | 2008-04-01 | 2008-12-24 | 张元道 | Anti-dust seal device for spindle breaker |
| CN201394477Y (en) * | 2009-05-21 | 2010-02-03 | 二重集团（德阳）重型装备股份有限公司 | Supporting structure of vertical mill tray |
| CN102389850A (en) * | 2011-10-10 | 2012-03-28 | 沈阳重型机械集团有限责任公司 | Radial adjustable double dust-proof sealing device |
| CN102389852A (en) * | 2011-11-22 | 2012-03-28 | 江苏羚羊水泥工程技术有限公司 | Multitime-separation high-efficient cement vertical mill |
| CN102631975A (en) * | 2012-04-18 | 2012-08-15 | 徐州飞煌重型机械厂 | Sealing device for separator of vertical roller mill |
| CN202538836U (en) * | 2011-11-02 | 2012-11-21 | 中材（天津）粉体技术装备有限公司 | Grinding roller sealing structure of vertical roller mill |
| CN203082213U (en) * | 2012-12-05 | 2013-07-24 | 安阳中联海皇水泥有限公司 | Sealing device of vertical mill transmission scraper blade cavity |
-
2012
- 2012-12-05 CN CN201210515237.4A patent/CN102966738B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4501430A (en) * | 1982-12-01 | 1985-02-26 | Deutsche Babcock Werke Aktiengesellschaft | Means of sealing off the inside of a pulverizer |
| CN201106681Y (en) * | 2007-09-05 | 2008-08-27 | 江苏科行环境工程技术有限公司 | Sealing device of lying rolling grinder |
| CN201168615Y (en) * | 2008-04-01 | 2008-12-24 | 张元道 | Anti-dust seal device for spindle breaker |
| CN201394477Y (en) * | 2009-05-21 | 2010-02-03 | 二重集团（德阳）重型装备股份有限公司 | Supporting structure of vertical mill tray |
| CN102389850A (en) * | 2011-10-10 | 2012-03-28 | 沈阳重型机械集团有限责任公司 | Radial adjustable double dust-proof sealing device |
| CN202538836U (en) * | 2011-11-02 | 2012-11-21 | 中材（天津）粉体技术装备有限公司 | Grinding roller sealing structure of vertical roller mill |
| CN102389852A (en) * | 2011-11-22 | 2012-03-28 | 江苏羚羊水泥工程技术有限公司 | Multitime-separation high-efficient cement vertical mill |
| CN102631975A (en) * | 2012-04-18 | 2012-08-15 | 徐州飞煌重型机械厂 | Sealing device for separator of vertical roller mill |
| CN203082213U (en) * | 2012-12-05 | 2013-07-24 | 安阳中联海皇水泥有限公司 | Sealing device of vertical mill transmission scraper blade cavity |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179980A (en) * | 2014-08-12 | 2014-12-03 | 总装备部工程设计研究总院 | Multiple-seal device for non-contact structures |
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| CN102966738B (en) | 2015-09-09 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Gou Xiang Xia Bao Cun Xu Anyang County of Anyang City, Henan province 455133 Applicant after: China United Cement Anyang Haihuang Co., Ltd. Address before: Gou Xiang Xia Bao Cun Xu Anyang County of Anyang City, Henan province 455133 Applicant before: Henan Haihuang Yimin Rotary Kiln Cement Co., Ltd. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: HENAN HAIHUANG YIMIN ROTARY KILN CEMENT CO., LTD. TO: CHINA UNITED CEMENT ANYANG HAIHUANG CO., LTD. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20210623 Address after: 455133 Xujiagou xiangxiangbao village, Yindu District, Anyang City, Henan Province Patentee after: ANYANG ZHONGLIAN CEMENT Co.,Ltd. LONGAN BRANCH Address before: 455133 Xujiagou xiangxiangbao village, Anyang County, Anyang City, Henan Province Patentee before: CHINA UNITED CEMENT ANYANGHAIHUANG Co.,Ltd. |
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| TR01 | Transfer of patent right |