CN103115364A - Rotary kiln sealing system - Google Patents
Rotary kiln sealing system Download PDFInfo
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- CN103115364A CN103115364A CN201310050751XA CN201310050751A CN103115364A CN 103115364 A CN103115364 A CN 103115364A CN 201310050751X A CN201310050751X A CN 201310050751XA CN 201310050751 A CN201310050751 A CN 201310050751A CN 103115364 A CN103115364 A CN 103115364A
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Abstract
The invention provides a rotary kiln sealing system which comprises a rigid seal and a soft seal, and the rigid seal and the soft seal are mutually matched with each other. The rigid seal comprises a radial and axial labyrinth seal which is connected with a rotary kiln, and a material reflection device located at the lower end of the labyrinth seal. The rotary kiln sealing system is in a soft body structure and is compact and durable. A flange is high in strength and accuracy of manufacturing and installation, and tight in attachment. Through adoption a solid-liquid mixing mode, the seals are good in effects. Soft sealing body materials are high-temperature resistant, aging resistant, high in mechanical property, good in heat insulation effects, and strong in elasticity. Friction plates have the advantages of being self-lubricating and strong in wear resistance. A tension device is simple, convenient and reliable in structure, convenient to adjust and maintain.
Description
Technical field
The present invention relates to a kind of sealing device, refer to especially a kind of rotary seal for the rotary kiln incineration stove.
Background technology
In prior art, rotary kiln mainly is applicable to the burning disposal of solid waste, it is the multiplex incinerator that a kind of adaptability is very strong, can burn various form refuses, outside the high noncombustibles of removing heavy metals, water or inorganic compound content, the combustible waste of various different states of matters (solid-state, liquid, mud etc.) and shape (particle, powdery, bulk and tubbiness) all can be sent in rotary kiln and burn.Be suitable for more and more widely in petroleum chemical industry.Because belong to rotating machinery, and rotary kiln belongs to high-temperature combustion equipment, and is well-known, and the rotating machinery sealing of high temperature is more difficult.If seal badly, than being easier to cause leakage, particularly during the rotary kiln incineration danger wastes, if occuring, toxic gas leaks, may cause environment to seriously influence.
In view of above several problems, the rotary seal system of a kind of new good sealing effect, maintainability is convenient, cost performance is high rotary kiln incineration stove and the invention of sealing device are imperative.
Summary of the invention
Technical problem to be solved by this invention is: the sealing system of existing high temperature rotary kiln incinerator easily produces the problems such as leakage.
The purpose of this invention is to provide and leak out, leak the problem such as ash between a kind of pivoting part of thorough solution high temperature rotary kiln incinerator and fixed part, improve the normal thermal environment of rotary kiln incineration stove.
In order to achieve the above object, the invention provides a kind of flexible body sealing structure system, compact durable.Flange production installation strength and required precision are high, applying is tight; The solid-liquid hybrid mode is adopted in sealing, and is effective: flexible sealing body material high temperature resistance, anti-aging, and mechanical property is high, good heat-insulation effect, elasticity is strong; Friction plate has the self-lubricating characteristics, and wearability is strong; Tensioning device structure easy reliable, facilitate regulation and repairment.
The invention provides a kind of flexible body sealing structure system, it comprises rigid seal and the flexible sealing that cooperatively interacts, described rigid seal comprise be connected with rotary kiln radially, axial labyrinth seal, be positioned at the material reflection unit of labyrinth sealing lower end.
It also is provided with malleation and purges sealing device.
It also includes: dynamic and static bracing frame, dynamic and static wearing piece, gray back bucket, tensioning apparatus.
Described material reflection unit is reflecting plate.
Also comprise the dynamic friction ring sturdy with flexible sealing.
The invention has the beneficial effects as follows: simple in structure, install and change accessory trouble degree simple, operating reliability is good; Air leakage coefficient≤5%; High temperature resistant deformability is good, and operating cost is low.
Description of drawings
To the description of embodiments of the invention in conjunction with its accompanying drawing, can further understand purpose, specific structural features and the advantage of its invention by following.Wherein, accompanying drawing is:
Fig. 1 is the structural representation of rotary kiln sealing system of the present invention.
1, hood, 2, mounting flange, 3, labyrinth seal, 4, ash discharging pipe, 5, ash unloading hole, 6, reflecting plate, 7, flexible material, 8, rotating ring, 9, cylindrical shell, 10, sealing air.
The specific embodiment
The present invention is applied in oil, chemical field, refers to especially a kind of rotary seal that is mainly used in the rotary kiln incineration stove.Be the significant improvement of making on the basis to the rotary seal of existing rotary kiln incineration stove, have very important practice significance.
Rotary kiln sealing system of the present invention belongs to a kind of composite flexible sealing technique, hard and soft and agent.It comprises radially, axial labyrinth seal, material reflection unit and flexible sealing.Critical piece includes: dynamic and static bracing frame, and dynamic and static wearing piece, reflecting plate 6, the gray back bucket--comprise ash discharging pipe 4 and ash unloading hole 5, tensioning apparatus etc.The characteristics that the present invention is large mainly for the simplified diameter of chamotte kiln equipment, the device for elimination of axial-and radial-play amount is large, centering is being installed simultaneously substantially accurately, realize flexible with enclosing method, collection labyrinth type, friction-type and fish scale chip are sealed into one, widely collect the chief, give full play to the material characteristics advantage, outstanding rigid seal backgauge, flexible sealing are every the characteristics of wind, make dynamic and static seal in equipment limited zone of action, given play to good stable functional effect.Simultaneously, malleation is set purges sealing device, by these two sealing means, rotation place of rotary kiln incineration stove is close reliable, prevents from leaking.
Specifically as shown in Figure 1, rotary kiln sealing system of the present invention is connected with cylindrical shell 9, and it mainly comprises the labyrinth seal 3 that directly is connected with cylindrical shell 9, and the material reflection unit and the flexible sealing that are positioned at labyrinth seal 3 lower ends.Described labyrinth seal 3 comprises radially, axial labyrinth seal; Described material reflection unit is mainly reflecting plate 6; Described flexible sealing is mainly the flexible material 7 of sealing.In addition, comprise that also with the sturdy dynamic friction ring of flexible material 7 be mounting flange 2 and the reinforced seal ring of rotating ring 8, kiln hood, hood 1, dynamic and static bracing frame, dynamic and static wearing piece, gray back bucket--comprise ash discharging pipe 4 and ash unloading hole 5, tensioning apparatus etc.
In described above-mentioned device the mounting flange 2 of kiln hood, hood 1 and reinforced seal ring its to make processing meticulous, circularity is had relatively high expectations, the support strength foot; During installation, at dynamically lower accurate centering, fixed.Only in this way, the aligning in the time of could moving-coil being installed for next step, the favourable condition of the not overproof creation of flexible sealing fin beat.Labyrinth-type excluder 3 processing are installed accurately, and the gap is stopped.Guarantee that dynamic and static sealing ring does not come in contact and collides with in the situation that kiln body up and down play, circular runout allow.
When described reflecting plate 6 and flexible body-flexible material 7 installed centering with holder, measure, calculate and want accurately to guarantee in its due regime of elastic deformation, with the dynamic friction ring be that rotating ring 8 is sturdy, do not damaged by pressure.The static friction ring is rivet welding spare, will guarantee its circularity requirement during making.After centering was installed, dynamic correcting reached in 10mm.In addition, material requirements is high temperature resistant, abrasion resistance properties good, long service life.Flexible sealing body is composite, only plays effectively heat insulation, pliable and tough, choke and backgauge effect, and will conveniently overhaul, and is durable in use.Gray back bucket and tremie pipe will be stopped design overcurrent surplus and unload grey angle surplus, in case not smooth.Gray back mouth on reflecting plate 6, position and quantity will be passed through calculative determination, and namely convenient for discharging ash, play again reflection blocking solid particle and wind flow effect.In addition, for convenience of operation, can offer on anti-ash bucket and disclose the material window.The rational modification friction plate structure improves the materials'use performance.Such as adopting self-lubricating spheroidal graphite cast iron as friction material, dynamic and static contact site changes the movable dihedral formula etc. of pressing into.For guaranteeing that this device is long-term, stable, using reliably, require stopping kiln, Kai Yaoqian at every turn, carry out detailed inspection to installing the situations such as inside and outside buildup, wearing and tearing, in case unexpected.
Those of ordinary skill in the art will be appreciated that, above embodiment illustrates purpose of the present invention, and be not as limitation of the invention, as long as in essential scope of the present invention, all will drop in the scope of claim of the present invention variation, the modification of the above embodiment.
Claims (5)
1. a rotary kiln sealing system, is characterized in that, it comprises rigid seal and the flexible sealing that cooperatively interacts, described rigid seal comprise be connected with rotary kiln radially, axial labyrinth seal and the material reflection unit that is positioned at the labyrinth sealing lower end.
2. rotary kiln sealing system according to claim 1 is characterized in that: it also is provided with malleation and purges sealing device.
3. rotary kiln sealing system according to claim 1, it is characterized in that: it also includes: dynamic and static bracing frame, dynamic and static wearing piece, gray back bucket, tensioning apparatus.
4. rotary kiln sealing system according to claim 1, it is characterized in that: described material reflection unit is reflecting plate.
5. rotary kiln sealing system according to claim 1, is characterized in that: also comprise the dynamic friction ring sturdy with flexible sealing.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310050751XA CN103115364A (en) | 2013-02-05 | 2013-02-05 | Rotary kiln sealing system |
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CN201310050751XA CN103115364A (en) | 2013-02-05 | 2013-02-05 | Rotary kiln sealing system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104764319A (en) * | 2015-03-26 | 2015-07-08 | 南宁广发重工集团有限公司 | Combined sealing device for rotary kiln |
CN106482506A (en) * | 2016-12-12 | 2017-03-08 | 朱书红 | Rotary sealing mechanism |
WO2024012598A1 (en) * | 2023-02-12 | 2024-01-18 | 中材建设有限公司 | Sealing device for pure-oxygen rotary kiln |
Citations (9)
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GB2378236A (en) * | 2001-06-29 | 2003-02-05 | Japan Nuclear Cycle Dev Inst | Sealing structure for a rotary kiln |
CN2676036Y (en) * | 2004-02-21 | 2005-02-02 | 涂强 | Rotary kiln having a compressed air sealing device |
CN2867241Y (en) * | 2005-09-07 | 2007-02-07 | 王庆军 | Flexible sealing device for rotary kiln |
CN2909134Y (en) * | 2006-05-17 | 2007-06-06 | 中国铝业股份有限公司 | End sealing device of rotary-drum furnace |
CN201314780Y (en) * | 2008-12-02 | 2009-09-23 | 中国重型机械研究院 | Rotary kiln sealing device with cascading sealing function |
CN101666578A (en) * | 2008-09-05 | 2010-03-10 | 贵阳铝镁设计研究院 | Rotary kiln tail sealing device |
CN202329082U (en) * | 2011-11-19 | 2012-07-11 | 潘小元 | Kiln tail sealing device for cement rotary kiln |
CN202329084U (en) * | 2011-12-07 | 2012-07-11 | 中国铝业股份有限公司 | Sealing device of rotary kiln |
CN203413643U (en) * | 2013-02-05 | 2014-01-29 | 上海凯鸿环保工程有限公司 | Sealing system of ring kiln |
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2013
- 2013-02-05 CN CN201310050751XA patent/CN103115364A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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GB2378236A (en) * | 2001-06-29 | 2003-02-05 | Japan Nuclear Cycle Dev Inst | Sealing structure for a rotary kiln |
CN2676036Y (en) * | 2004-02-21 | 2005-02-02 | 涂强 | Rotary kiln having a compressed air sealing device |
CN2867241Y (en) * | 2005-09-07 | 2007-02-07 | 王庆军 | Flexible sealing device for rotary kiln |
CN2909134Y (en) * | 2006-05-17 | 2007-06-06 | 中国铝业股份有限公司 | End sealing device of rotary-drum furnace |
CN101666578A (en) * | 2008-09-05 | 2010-03-10 | 贵阳铝镁设计研究院 | Rotary kiln tail sealing device |
CN201314780Y (en) * | 2008-12-02 | 2009-09-23 | 中国重型机械研究院 | Rotary kiln sealing device with cascading sealing function |
CN202329082U (en) * | 2011-11-19 | 2012-07-11 | 潘小元 | Kiln tail sealing device for cement rotary kiln |
CN202329084U (en) * | 2011-12-07 | 2012-07-11 | 中国铝业股份有限公司 | Sealing device of rotary kiln |
CN203413643U (en) * | 2013-02-05 | 2014-01-29 | 上海凯鸿环保工程有限公司 | Sealing system of ring kiln |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104764319A (en) * | 2015-03-26 | 2015-07-08 | 南宁广发重工集团有限公司 | Combined sealing device for rotary kiln |
CN106482506A (en) * | 2016-12-12 | 2017-03-08 | 朱书红 | Rotary sealing mechanism |
WO2018107662A1 (en) * | 2016-12-12 | 2018-06-21 | 朱书红 | Rotating seal mechanism |
WO2024012598A1 (en) * | 2023-02-12 | 2024-01-18 | 中材建设有限公司 | Sealing device for pure-oxygen rotary kiln |
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Application publication date: 20130522 |