CN207688630U - A kind of atmosphere rotary furnace sealing device - Google Patents
A kind of atmosphere rotary furnace sealing device Download PDFInfo
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- CN207688630U CN207688630U CN201721690520.5U CN201721690520U CN207688630U CN 207688630 U CN207688630 U CN 207688630U CN 201721690520 U CN201721690520 U CN 201721690520U CN 207688630 U CN207688630 U CN 207688630U
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- guide rod
- ring
- stationary ring
- rotary furnace
- platen
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Abstract
The utility model discloses a kind of atmosphere rotary furnace sealing devices, one end of the atmosphere rotary furnace boiler tube is equipped with seal case, the atmosphere rotary furnace sealing device includes bellows, stationary ring, rotating ring, sealing element, platen, guide rod and compressed spring, the bellows, stationary ring, rotating ring and platen are placed on outside boiler tube, the stationary ring is connect by bellows with seal case, the rotating ring is located on the outside of stationary ring, and it is fixed on boiler tube, the guide rod passes through stationary ring and is supported on the peripheral surface of rotating ring by bearing support, the platen is set on the outside of rotating ring, and it is arranged on guide rod, and it is threadedly coupled with guide rod, the sealing element is resisted against between rotating ring and stationary ring, and it is fixed on stationary ring, the guide rod is equipped with adjusting nut far from platen one end, the compressed spring is placed on guide rod, and it presses between stationary ring and adjusting nut.The utility model has the advantages that sealing effect is good and seals with long service life.
Description
Technical field
The utility model is related to atmosphere rotary furnace technology more particularly to a kind of atmosphere rotary furnace sealing devices.
Background technology
Rotary furnace is mainly used for the industries such as cement, lime, chemical industry, has many advantages, such as that yield is big, takes up little area, is efficient.It returns
Operating pressure in converter can be that positive pressure (atmosphere furnace) is alternatively negative pressure (air furnace), can not between boiler tube and burner cover, hood
Avoid there are gap, in order to obstruct outside powder (or gas) the leakage blind roaster that extraneous air is inhaled into stove or in stove,
Rotary furnace must have the good sealing device of sealing effect.
Rotary furnace sealing device is connected between revolving body and burner/hood (seal case), the quality of sealing performance
Directly affect heat preservation, energy consumption, furnace atmosphere, the powder leakage of rotary furnace.Currently, rotary furnace sealing device can be divided into it is contactless
It is chiefly used in the not high occasion of seal request wherein contactless is mainly gas seal type and labyrinth type with contact；And contact
Radial seal and axial seal can be divided into, broad form has graphite block sealing, the sealing of fish scale lamellar seal, spring rod-type, friction
Lamellar seal, air-cylinder type sealing etc..For the extra high rotary furnace of leakproofness, the combination of several sealings is used sometimes.
In the prior art, the most commonly used is graphite annulus sealing structures for sealing device, and this sealing structure is mainly by one week polylith
Graphite block assembles around boiler tube, depending on the size and number of graphite block is according to boiler tube diameter and specification.It is smaller in boiler tube caliber
When, it can also directly make the graphite domain.Graphite block makes it be pressed on the rotating ring on fixed boiler tube by spring pressure,
Form static and dynamic sealing.Spring can not only provide enough pressing forces, additionally it is possible to provide bit shift compensation when graphite annulus is worn.So
And existing this structure still has following deficiency：
1) the graphite dust that graphite annulus abrasion is fallen is possible to be mixed into the product being sintered in stove, influences product quality.
2) graphite ring type sealing structure often uses graphite annulus or steel ball as auxiliary dynamic device, due to the long-term work of unbalance stress
It is even not parallel that the opposite changing of the relative positions is will produce with, graphite annulus (stationary ring sealing material) and boiler tube rotating ring, to influence sealing effect.
Utility model content
The technical problems to be solved in the utility model is that overcome the deficiencies of the prior art and provide a kind of sealing effect good and close
Seal atmosphere rotary furnace sealing device with long service life.
In order to solve the above technical problems, the utility model uses following technical scheme：
One end of a kind of atmosphere rotary furnace sealing device, the atmosphere rotary furnace boiler tube is equipped with seal case, the atmosphere
Rotary furnace sealing device includes bellows, stationary ring, rotating ring, sealing element, platen, guide rod and compressed spring, the bellows, quiet
Ring, rotating ring and platen are placed on outside boiler tube, and the stationary ring is connect by bellows with seal case, and the rotating ring is located at outside stationary ring
Side, and be fixed on boiler tube, the guide rod passes through stationary ring and is supported on the peripheral surface of rotating ring by bearing support, the platen
It on the outside of rotating ring, and being arranged on guide rod, and is threadedly coupled with guide rod, the sealing element is resisted against between rotating ring and stationary ring,
And be fixed on stationary ring, the guide rod is equipped with adjusting nut far from platen one end, and the compressed spring is placed on guide rod, and is supported
It is pressed between stationary ring and adjusting nut.
As a further improvement of the above technical scheme：
The one side of the rotating ring towards platen is equipped with rotation guide rail, and the platen is equipped with and can be rolled in the rotation guide rail
Dynamic rolling bearing.
The sealing element is sealing ring.
The material of the sealing element is polytetrafluoroethylene tape.
The one side of the rotating ring towards sealing element is shiny surface.
The guide rod is equipped with stop nut in the outside of platen.
Guide sleeve is equipped between the stationary ring and guide rod.
The guide rod setting is multiple, is arranged circumferentially along stationary ring.
Compared with prior art, the utility model has the advantage of：
The atmosphere rotary furnace sealing device of the utility model, under the action of compressed spring compresses elastic force, platen, rotating ring and
Stationary ring three is close to each other, so that the sealing element on stationary ring is fitted closely with rotating ring, rotating ring, sealing element, stationary ring, bellows
Sealing cavity is formed between boiler tube, which is connected to seal case inner cavity, to ensure that boiler tube rotation when its into
The leakproofness at mouth end；Bearing support is cased on guide rod so that elastic force can be evenly applied on rotating ring by platen, to ensure
Seal loading is uniform, and then ensures the sealing effect and service life of sealing device.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model atmosphere rotary furnace sealing device.
Fig. 2 is the partial enlarged view of the utility model atmosphere rotary furnace sealing device.
Each label indicates in figure：
1, boiler tube；2, seal case；3, bellows；4, stationary ring；5, rotating ring；6, sealing element；7, platen；8, guide rod；9, it presses
Contracting spring；10, bearing support；11, adjusting nut；12, guide rail is rotated；13, rolling bearing；14, stop nut；15, guide sleeve；
16, cushion block；17, sealing cavity.
Specific implementation mode
The utility model is described in further detail below in conjunction with Figure of description and specific embodiment.
As depicted in figs. 1 and 2, the atmosphere rotary furnace sealing device of the present embodiment, one end of atmosphere rotary furnace boiler tube 1 are equipped with
Seal case 2, atmosphere rotary furnace sealing device include bellows 3, stationary ring 4, rotating ring 5, sealing element 6, platen 7, guide rod 8 and compression
Spring 9, bellows 3, stationary ring 4, rotating ring 5 and platen 7 are placed on outside boiler tube 1, and stationary ring 4 is connected by bellows 3 and seal case 2
It connects, rotating ring 5 is located at 4 outside of stationary ring, and is fixed on boiler tube 1, and guide rod 8 passes through stationary ring 4 and is supported on by bearing support 10 dynamic
On the peripheral surface of ring 5, platen 7 is set to 5 outside of rotating ring, and is arranged on guide rod 8, and is threadedly coupled with guide rod 8, and sealing element 6 supports
It is against between rotating ring 5 and stationary ring 4, and is fixed on stationary ring 4, guide rod 8 is equipped with adjusting nut 11, compression far from 7 one end of platen
Spring 9 is placed on guide rod 8, and is pressed between stationary ring 4 and adjusting nut 11.
In concrete application example, the both ends of boiler tube 1 are equipped with seal case 2, in the present embodiment, in Fig. 1, and seal case
2 are located at the outlet end of boiler tube 1, and 3 right end of bellows is fixed on by cushion block 16 on seal case 2, and left end is fixed by cushion block 16
On stationary ring 4, rotating ring 5 is rotated together with boiler tube 1.Rotating adjusting nut 11, adjusts the elastic force of compressed spring 9, and compressed spring 9 is made
Stationary ring 4 is set to have to the close trend of rotating ring 5 for stationary ring 4, while guide rod 8 drives platen 7 to have to become to rotating ring 5 is close
Gesture, under the action of compressed spring 9 compresses elastic force, platen 7, rotating ring 5 and 4 three of stationary ring are close to each other, so that on stationary ring 4
Sealing element 6 fitted closely with rotating ring 5.As shown in Fig. 2, being formed between rotating ring 5, sealing element 6, stationary ring 4, bellows 3 and boiler tube 1
Sealing cavity 17, the sealing cavity 17 are connected to 2 inner cavity of seal case, its outlet end is close when to ensure that boiler tube 1 rotates
Feng Xing.
In the present embodiment, bearing support 10 is cased on guide rod 8, on the one hand, for supporting guide rod 8, on the other hand, rotating ring 5
The outer ring of bearing support 10 rolls together with rotating ring 5 when rotation, avoids the friction with rotating ring 5, the third aspect so that guide rod
8 axle center keeps becoming at a distance from 1 axle center of boiler tube, thereby may be ensured that platen 7 and boiler tube 1 keep concentric, platen 7 and boiler tube
1, which keeps concentric, is advantageous in that：Elastic force can be evenly applied on rotating ring 5 by platen 7, to ensure 6 stress of sealing element
Uniformly, so ensure sealing device sealing effect and service life.
It in the present embodiment, is connected using bellows 3 between stationary ring 4 and seal case 2, bellows 3 has certain axial direction
Flexible ability and end face distortional ability, can compensate the change in location generated due to factors such as installation, thermal deformation, creeps, allow
There can be certain mutual displacement between stationary ring 4 and seal case 2.
In concrete application example, guide rod 8 can be arranged multiple according to reality.In the present embodiment, the setting of guide rod 8 one four
For a, four guide rods 8 are arranged circumferentially along stationary ring 4.Guide sleeve 15 is equipped between stationary ring 4 and guide rod 8, guide rod 8 can be along leading
It is moved freely to set 15.
In concrete application example, sealing element 6 can be one and be placed on 1 outer seal ring of boiler tube, can also be it is multiple successively
The sealing ring group being placed on outside boiler tube 1, in the present embodiment, sealing element 6 is two sealing rings, and material is polytetrafluoroethylene tape, is adopted
Fall the problem of ash with polytetrafluoroethylene tape Wear.
In the present embodiment, the one side of rotating ring 5 towards platen 7 is equipped with rotation guide rail 12, and platen 7 is equipped with can be in rotation guide rail
The rolling bearing 13 rolled in 12.Rotation guide rail 12 follows rotation, the rolling in rotation guide rail 12 of rolling bearing 13 when rotating ring 5 rotates
Dynamic, this structure the advantage is that：In the case where ensureing that platen 7 rubs not between rotating ring 5, realizes that platen 7 compresses and roll
Rotating ring 5；In addition, rolling bearing 13 coordinates with bearing support 10, it is ensured that sealing effect is used for a long time in sealing structure uniform force
Fruit is unattenuated.
In the present embodiment, the one side of rotating ring 5 towards sealing element 6 is shiny surface, and polishing treatment is made on surface.Purpose is to subtract
When few rotating ring 5 rotates and the friction of sealing ring.
In the present embodiment, guide rod 8 is equipped with stop nut 14 in the outside of platen 7.
Although the utility model has been disclosed with preferred embodiment as above, it is not limited to the utility model.It is any
Those skilled in the art, in the case where not departing from technical solutions of the utility model range, all using the disclosure above
Technology contents many possible changes and modifications are made to technical solutions of the utility model, or be revised as the equivalent of equivalent variations
Embodiment.Therefore, every content without departing from technical solutions of the utility model, according to the utility model technical spirit to above real
Any simple modifications, equivalents, and modifications that example is done are applied, should all be fallen in the range of technical solutions of the utility model are protected.
Claims (8)
1. one end of a kind of atmosphere rotary furnace sealing device, the atmosphere rotary furnace boiler tube (1) is equipped with seal case (2), special
Sign is：The atmosphere rotary furnace sealing device include bellows (3), stationary ring (4), rotating ring (5), sealing element (6), platen (7),
Guide rod (8) and compressed spring (9), the bellows (3), stationary ring (4), rotating ring (5) and platen (7) are placed on boiler tube (1) outside, institute
It states stationary ring (4) to connect with seal case (2) by bellows (3), the rotating ring (5) is located on the outside of stationary ring (4), and is fixed on stove
It manages on (1), the guide rod (8) passes through stationary ring (4) and is supported on the peripheral surface of rotating ring (5) by bearing support (10), described
Platen (7) is set on the outside of rotating ring (5), and is arranged on guide rod (8), and is threadedly coupled with guide rod (8), and the sealing element (6) is supported
It is against between rotating ring (5) and stationary ring (4), and is fixed on stationary ring (4), the guide rod (8) being equipped with far from platen (7) one end is adjusted
Nut (11) is saved, the compressed spring (9) is placed on guide rod (8), and presses between stationary ring (4) and adjusting nut (11).
2. atmosphere rotary furnace sealing device according to claim 1, it is characterised in that：The rotating ring (5) is towards platen (7)
One side be equipped with rotation guide rail (12), the platen (7) is equipped with the rolling bearing that can be rolled in rotation guide rail (12)
(13)。
3. atmosphere rotary furnace sealing device according to claim 1, it is characterised in that：The sealing element (6) is sealing ring.
4. the atmosphere rotary furnace sealing device according to claims 1 to 3 any one, it is characterised in that：The sealing element
(6) material is polytetrafluoroethylene tape.
5. the atmosphere rotary furnace sealing device according to claims 1 to 3 any one, it is characterised in that：The rotating ring (5)
One side towards sealing element (6) is shiny surface.
6. the atmosphere rotary furnace sealing device according to claims 1 to 3 any one, it is characterised in that：The guide rod (8)
It is equipped with stop nut (14) in the outside of platen (7).
7. the atmosphere rotary furnace sealing device according to claims 1 to 3 any one, it is characterised in that：The stationary ring (4)
Guide sleeve (15) is equipped between guide rod (8).
8. the atmosphere rotary furnace sealing device according to claims 1 to 3 any one, it is characterised in that：The guide rod (8)
It is arranged multiple, is arranged circumferentially along stationary ring (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721690520.5U CN207688630U (en) | 2017-12-07 | 2017-12-07 | A kind of atmosphere rotary furnace sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721690520.5U CN207688630U (en) | 2017-12-07 | 2017-12-07 | A kind of atmosphere rotary furnace sealing device |
Publications (1)
| Publication Number | Publication Date |
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| CN207688630U true CN207688630U (en) | 2018-08-03 |
Family
ID=62996747
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| CN201721690520.5U Active CN207688630U (en) | 2017-12-07 | 2017-12-07 | A kind of atmosphere rotary furnace sealing device |
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| CN (1) | CN207688630U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109609371A (en) * | 2018-12-28 | 2019-04-12 | 黑龙江华泽农牧发展有限公司 | A kind of glass reinforced plastic of good airproof performance crouches rotating fermentor |
| CN110243186A (en) * | 2019-06-17 | 2019-09-17 | 蚌埠兴创电子科技有限公司 | A kind of metal and glass-encapsulated sintering furnace |
| CN111426184A (en) * | 2020-03-13 | 2020-07-17 | 晋江云智新材料科技有限公司 | Continuous electric heating rotary furnace and process for preparing lithium manganate by adopting same |
| WO2021196484A1 (en) * | 2020-04-01 | 2021-10-07 | 河南龙成煤高效技术应用有限公司 | Rotary kiln sealing system and rotary kiln equipment |
| JP2023502242A (en) * | 2020-01-21 | 2023-01-23 | 河南竜成煤高効技術応用有限公司 | Dynamic seal structure and rotary kiln equipment |
-
2017
- 2017-12-07 CN CN201721690520.5U patent/CN207688630U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109609371A (en) * | 2018-12-28 | 2019-04-12 | 黑龙江华泽农牧发展有限公司 | A kind of glass reinforced plastic of good airproof performance crouches rotating fermentor |
| CN109609371B (en) * | 2018-12-28 | 2022-01-04 | 黑龙江华泽农牧发展有限公司 | Glass fiber reinforced plastic horizontal rotary fermentation tank with good sealing performance |
| CN110243186A (en) * | 2019-06-17 | 2019-09-17 | 蚌埠兴创电子科技有限公司 | A kind of metal and glass-encapsulated sintering furnace |
| JP2023502242A (en) * | 2020-01-21 | 2023-01-23 | 河南竜成煤高効技術応用有限公司 | Dynamic seal structure and rotary kiln equipment |
| EP4063775A4 (en) * | 2020-01-21 | 2023-05-10 | Henan Longcheng Coal High Efficiency Technology Application Co., Ltd. | Dynamic sealing structure and rotary kiln apparatus |
| JP7393544B2 (en) | 2020-01-21 | 2023-12-06 | 河南竜成煤高効技術応用有限公司 | Dynamic seal structure and rotary kiln equipment |
| CN111426184A (en) * | 2020-03-13 | 2020-07-17 | 晋江云智新材料科技有限公司 | Continuous electric heating rotary furnace and process for preparing lithium manganate by adopting same |
| CN111426184B (en) * | 2020-03-13 | 2022-03-25 | 福建省云智新材料科技有限公司 | Continuous electric heating rotary furnace and process for preparing lithium manganate by adopting same |
| WO2021196484A1 (en) * | 2020-04-01 | 2021-10-07 | 河南龙成煤高效技术应用有限公司 | Rotary kiln sealing system and rotary kiln equipment |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201208 Address after: 410000, 1 / F, microelectronic equipment center building, 1025 xinkaipu Road, Tianxin District, Changsha City, Hunan Province Patentee after: Hunan ShuoKe thermal Intelligent Equipment Co.,Ltd. Address before: 410111, No. 1025, paving road, Tianxin District, Hunan, Changsha Patentee before: FORTY-EIGHTH RESEARCH INSTITUTE OF CHINA ELECTRONICS TECHNOLOGY Group Corp. |