CN102966738B - The seal arrangement in Vertical Mill transmission scraper plate chamber - Google Patents
The seal arrangement in Vertical Mill transmission scraper plate chamber Download PDFInfo
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- CN102966738B CN102966738B CN201210515237.4A CN201210515237A CN102966738B CN 102966738 B CN102966738 B CN 102966738B CN 201210515237 A CN201210515237 A CN 201210515237A CN 102966738 B CN102966738 B CN 102966738B
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Abstract
The present invention discloses a kind of seal arrangement of Vertical Mill transmission scraper plate chamber, comprise and be arranged on the sealing cone on abrasive disk seat top, the seal ring of abrasive disk seat bottom and sealing seat, sealing seat is arranged on grinding machine, sealing seat and sealing are bored and seal ring forms seal arrangement, also static seal is provided with on the top of sealing seat, sealing cone bottom is provided with motive sealing, and static seal and motive sealing form seal arrangement, and motive sealing can be rotated relative to static seal.The present invention is transformed on former Packed basis; it is rational in infrastructure; non-maintaining; original seal arrangement is effectively protected, and serviceability rate greatly improves, even if damaging appears in combination seal local also can ensure that dust granules can not enter; use of the present invention; vertical mill site environment is greatly improved, eliminates secondary pollution phenomenon, improve operation rate.
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 is in use advanced with its technique, and safe and reliable to operation, that less investment, floor space are little, unit-hour output is high advantage is extensively adopted by cement industry.But because equipment operation operating mode is special, the defect of sealing transmission is the shortcoming of Vertical Mill environment and running.Because Vertical Mill is vertical installation, transport to the material of grinding machine by proportioning station through belt, enter Vertical Mill through three road air valves, be deposited in the middle of mill, because the grinding roller that rotarily drives of mill rotates, material moves to mill edge under the influence of centrifugal force, mill between engaging-in roller dish, only at Reference diameter place between roller dish, linear velocity is consistent, all there is speed difference at other positions, namely form shearing.In mill processes, partial material is had to be pushed to edge, cross blocking material ring, taken up by high velocity air, large particle falls back mill, carries out grinding again, granule is brought into separator, carry out selecting powder under revolution fan blade effect, coarse granule to fall back mill through collision consumed energy, and conforming particle sends into feed bin by the road by wind.Finished product can be become like this through about tens times circulations.Specific granule is as fast in iron, falls into below mill through nozzle ring, is discharged outside mill by scraper plate.
Hot blast due to Vertical Mill enters from bottom, discharges through the outlet of spout ring separator from top.So the material in 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.Due to the bottom being sealed in grinding machine in scraper plate chamber, and grinding machine hot blast used is again enter from bottom, enters to grind hot blast at 200 DEG C.Add that material is washed away sealing and is very easily out of shape.Material enter in a large number mill and sealing bore between space, because abrasive disk seat is dynamic, there is gap during relative movement between the stationary seal ring of bottom and abrasive disk seat, cause a large amount of dust material excessive, seal ineffective gradually, environmental deterioration.
Summary of the invention
The object of this suction is the seal arrangement providing a kind of Vertical Mill transmission scraper plate chamber, and this device adapts to better tightness, by multiple tracks raised seals, makes dust material not enter cavity between abrasive disk seat and static seal, to reach the object of sealing effect.
For practical above-mentioned purpose, the present invention by the following technical solutions:
A kind of seal arrangement of Vertical Mill transmission scraper plate chamber, comprise and be arranged on the sealing cone on abrasive disk seat top, the seal ring of abrasive disk seat bottom and sealing seat, sealing seat is arranged on grinding machine, sealing seat and sealing are bored and seal ring forms seal arrangement, also static seal is provided with on the top of sealing seat, sealing cone bottom is provided with motive sealing, and static seal and motive sealing form 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 the quiet annular seal plate being arranged on sealing seat top, quiet annular seal plate is provided with two quiet projections of annular upwards, running clearance is provided with between two quiet projections of annular upwards, described motive sealing is the dynamic annular seal plate being arranged on sealing cone bottom, dynamic annular seal plate is provided with two downward annulars dynamic protruding, two downward annulars are moved between projection and are provided with running clearance, on dynamic annular seal plate, downward annular is moved in the running clearance that projection is stuck between two quiet projections of annular upwards, and the dynamic projection of annular can be rotated in running clearance.
The seal arrangement in above-mentioned Vertical Mill transmission scraper plate chamber, described quiet annular seal plate is welded on the top of sealing seat, and dynamic annular seal plate is welded on sealing cone bottom.
Adopt technique scheme, the present invention is by following advantage: quiet annular seal plate is welded on sealing cone, along with abrasive disk seat and sealing coning turn, quiet annular seal plate is welded on former sealing seat static, utilizes entering of the convex barrier material on the gap between sound and sound annular seal plate.From but granule dust not easily enters seal arrangement; even if having a small amount of dust to enter also can stop in 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; even if damaging appears in combination seal local also can ensure that dust granules can not enter, use of the present invention, vertical mill site environment is greatly improved; eliminate secondary pollution phenomenon, improve operation rate.
Accompanying drawing explanation
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 being arranged on abrasive disk seat 1 top, the seal ring 3 of abrasive disk seat bottom and sealing seat 6, sealing seat 6 is arranged on grinding machine, sealing seat 6 forms seal arrangement with sealing cone 2 and seal ring 3, static seal 4 is also provided with on the top of sealing seat 6, sealing cone bottom is provided with motive sealing 5, static seal 4 and motive sealing 5 form seal arrangement, described static seal 4 is the quiet annular seal plates 7 being arranged on sealing seat top, quiet annular seal plate is provided with two annulars upwards quiet protruding 8, running clearance is provided with between two annulars upwards quiet protruding 8, described motive sealing 5 is the dynamic annular seal plates 9 being arranged on sealing cone bottom, dynamic annular seal plate 9 is provided with two downward annulars dynamic protruding 10, running clearance is provided with between two downward annulars dynamic protruding 10, on dynamic annular seal plate, downward annular is moved protruding 10 and is stuck in the running clearance between two annulars upwards quiet protruding 8, and annular dynamic protruding 10 can be rotated in running clearance, described quiet annular seal plate 7 is welded on the top of sealing seat 6, dynamic annular seal plate 9 is welded on sealing cone 2 bottom.
Vertical Mill scraper plate cavity sealing device of the present invention is the seal arrangement of the inner transmission portion in a kind of scraper plate chamber of new type nonaqueous cement production line raw material roller mill, it is upper with on the former sealing seat carried that seal arrangement is arranged on Vertical Mill sealing cone, increase motive sealing and static seal newly respectively on former sealing seat and sealing cone, namely material is leaked after the upper long-time use wearing and tearing of former sealing cone become row, above again soldering to move annular on annular seal plate and dynamic annular seal plate dynamic protruding, the projection of dying on former sealing seat on the quiet annular seal plate of soldering and quiet annular seal plate.Reserved certain running clearance between dynamic, annular quiet projection, in case operationally expand friction.
Sealing plate of the present invention quiet annular seal plate 4 be welded on actionless former sealing seat and do, dynamic annular seal plate 5 is welded on sealing cone 2.
In work, the sound annular seal plate newly increased, by relative rotation, is difficult to being made dust granules by wind action enter in the cavity of abrasive disk seat 1 and former sealing seat.
Claims (2)
1. the seal arrangement in a Vertical Mill transmission scraper plate chamber, comprise be arranged on abrasive disk seat (1) top sealing cone (2), the seal ring (3) of abrasive disk seat bottom and sealing seat (6), sealing seat (6) is arranged on grinding machine, it is characterized in that: be also provided with static seal (4) on the top of sealing seat (6), sealing cone bottom is provided with motive sealing (5); Described static seal (4) is the quiet annular seal plate (7) being arranged on sealing seat top, and quiet annular seal plate is provided with two quiet projections of annular upwards (8), is provided with the first running clearance between two quiet projections of annular upwards (8); Described motive sealing (5) is the dynamic annular seal plate (9) being arranged on sealing cone bottom, dynamic annular seal plate (9) is provided with two downward annulars dynamic protruding (10), the second running clearance is provided with between two downward annulars dynamic protruding (10), annular downward on dynamic annular seal plate dynamic protruding (10) is stuck in the first running clearance between two quiet projections of annular upwards (8), and annular dynamic protruding (10) can be rotated in the first running clearance.
2. the seal arrangement in Vertical Mill transmission scraper plate chamber according to claim 1, is characterized in that: described quiet annular seal plate (7) is welded on the top of sealing seat (6), and dynamic annular seal 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 CN102966738A (en) | 2013-03-13 |
| CN102966738B true CN102966738B (en) | 2015-09-09 |
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| 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 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104179980B (en) * | 2014-08-12 | 2016-10-05 | 总装备部工程设计研究总院 | Non-contact structure multi-sealing device |
Citations (9)
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|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
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| CN102966738A (en) | 2013-03-13 |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| C53 | Correction of patent for 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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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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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. |