CN202203413U - Sealing device for biomass pyrolysis rotary furnace - Google Patents
Sealing device for biomass pyrolysis rotary furnace Download PDFInfo
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- CN202203413U CN202203413U CN2011202128336U CN201120212833U CN202203413U CN 202203413 U CN202203413 U CN 202203413U CN 2011202128336 U CN2011202128336 U CN 2011202128336U CN 201120212833 U CN201120212833 U CN 201120212833U CN 202203413 U CN202203413 U CN 202203413U
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Abstract
The utility model discloses a sealing device for a biomass pyrolysis rotary furnace, which mainly comprises a corrugated pipe-type compensator, a flange, a graphite ring, a metal rotating ring, a spacing device and the like, wherein sealing is realized through the tightly contacted friction surfaces of the graphite ring and the metal rotating ring; two sealing rings are connected and compressed through the spacing device; and the corrugated pipe-type compensator can buffer and absorb axial expansion and contraction lengths of a furnace body caused by temperature difference. The sealing device adopting end surface sealing has the advantages that the structure is simple; the sealing effect is high; and the sealing material can be replaced easily. Compared with a device adopting an axial sealing structure, the sealing device further has the advantage that the sealing effect cannot be impacted by the beating end surface of the furnace body.
Description
Technical field
The utility model relates to a kind of seal arrangement of rotary furnace, relates in particular to a kind of seal arrangement that is used for the biomass pyrolytic rotary furnace.
Background technique
Rotary furnace is widely used in many production industries such as building materials, metallurgy, chemical industry, environmental protection, and rotary furnace has total-heat balance as the pyrolysing gasification reactor of living beings and material balance control is simple, the advantage of stability and good operability.The biomass pyrolytic rotary furnace mainly is made up of screw feeding system, body of heater and spiral discharging system three parts; Rotating cylinder in the middle of the rotary furnace partly rotates; Burner and stove tail then are fixed; Just occurred the binding site of rotating part and standing part like this at rotating cylinder and burner, stove tail connection part, these two binding sites all need be provided with seal arrangement.Biomass pyrolytic can produce a large amount of inflammable gass, under positive pressure, if these two binding sites leak, can cause gas leakage harm production safety; And under condition of negative pressure; If these two binding sites leak; Can make air get into the reaction of participating in material in the rotating cylinder; Even possibly take place with tube in combustion gas mixing reach the serious consequence of explosion limit after-explosion, so the sealability of these two binding sites is most important for the operation of biomass pyrolytic rotary furnace.
The seal form that is used at present on the rotary furnace has a variety of; As: mazy type, axially contact-type, radially formula etc. is blocked in contact-type, soft packing; But these seal form in use its effect are all not fully up to expectations; Leakage happens occasionally, and can not satisfy the operation needs of biomass pyrolytic rotary furnace.
Summary of the invention
Good inadequately in order to solve the sealing that existing technology exists, the problem of leaking easily, the utility model provides a kind of seal arrangement that is used for the biomass pyrolytic rotary furnace, and simple in structure, good sealing effect, sealing material are prone to change.
The technological scheme of the utility model is: a kind of seal arrangement that is used for the biomass pyrolytic rotary furnace; Be made up of sealing configuration and limit stoper, described sealing configuration is made up of corrugated expansion joint, flange, graphite annulus and metal rotating ring, and corrugated expansion joint one end is connected with burner material feeding box or stove tail feed box; The other end adpting flange; Be lined with graphite annulus between flange and the metal rotating ring, the metal rotating ring is connected with rotating cylinder, and described limit stoper is circle distribution around sealing configuration.
Described limit stoper is by steel seat, regulator plate, radially Limit Bearing external member, spring block, stage clip, spring bearer plate, axial limiting bearing external member are formed; L shaped steel seat is stuck in outside the flange; Steel seat peripheral hardware regulator plate; By axially with radially to the steel seat application of force, upwards be provided with radially Limit Bearing external member in the footpath of metal rotating ring, radially the axle of Limit Bearing external member is connected with regulator plate by the link perpendicular to axle; The metal rotating ring be axially arranged with axial limiting bearing external member, the axle of axial limiting bearing external member is by being fixed on the regulator plate perpendicular to spring bearer plate, stage clip and the spring block ecto-entad of axle.
4～8 of described limit stoper are evenly distributed on the sealing configuration periphery.
Beneficial effect:
This seal arrangement adopts end face seal, has simple in structure, good sealing effect, sealing material is prone to change, compare the advantage that does not receive the body of heater end face run-out and influence sealing effect with the axial seal structure.
The normal graphite annulus that uses in the petrochemical equipment is solved sealing problem; Use graphite annulus; Mainly be because the chemical stability and the lubricity of graphite are good, and have advantages such as wear-resisting, corrosion-resistant, high temperature resistant, and graphite material has elasticity; Can play the elastic support effect to seal ring, and the vibration of the crooked of seal face and axle is had certain compensation and shock attenuation result.
The tight rubbing surface that contacts that the sealing structure mainly leans on graphite annulus 3 and steel to get metal rotating ring 4 is realized sealing, and metal rotating ring 4 rotates with rotating cylinder and is rotating ring, and graphite annulus is a stationary ring, and two surface of contact all pass through high polish and handle.Radially reach axial limiting bearing external member and play spacing, as to compress two seal rings effect, corrugated expansion joint 1 can cushion and absorb body of heater because the axial stretching amount that the temperature difference causes.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Wherein, corrugated expansion joint 1, flange 2, graphite annulus 3, metal rotating ring 4, steel seat 5, regulator plate 6, radially Limit Bearing external member 7, spring block 8, stage clip 9, spring bearer plate 10, axial limiting bearing external member 11.
Embodiment
As shown in the figure, a kind of seal arrangement that is used for the biomass pyrolytic rotary furnace is made up of sealing configuration and limit stoper; Described sealing configuration is made up of corrugated expansion joint 1, flange 2, graphite annulus 3 and metal rotating ring 4, and corrugated expansion joint 1 one ends are connected the other end adpting flange 2 with burner material feeding box or stove tail feed box; Be lined with graphite annulus 3 between flange 2 and the metal rotating ring 4; Metal rotating ring 4 is connected with rotating cylinder, and the sealing structure mainly leans on graphite annulus 3 to realize sealing with the tight rubbing surface that contacts of metal rotating ring 4, and two surface of contact all pass through high polish and handle; Graphite annulus 3 is a stationary ring, and metal rotating ring 4 is a rotating ring.Graphite has advantages such as stable chemical performance, lubricity are good, wear-resisting, corrosion-resistant, high temperature resistant, and graphite material has elasticity, can play the elastic support effect to seal ring, and the vibration of the crooked of seal face and axle is had certain compensation and shock attenuation result.Described limit stoper is circle distribution around sealing configuration, plays connection, compresses the effect of two seal rings, and corrugated expansion joint 1 can cushion and absorb body of heater because the axial stretching amount that the temperature difference causes.Different according to the rotating cylinder diameter, described limit stoper is provided with 4～8, is evenly distributed on the sealing configuration periphery.Described limit stoper is by steel seat 5, regulator plate 6, radially Limit Bearing external member 7, spring block 8, stage clip 9, spring bearer plate 10, axial limiting bearing external member 11 are formed; L shaped steel seat 5 is stuck in outside the flange 2; Steel seat 5 peripheral hardware regulator plates 6; By axially with radially to steel seat 5 application of forces, upwards be provided with radially Limit Bearing external member 7 in the footpath of metal rotating ring 4, radially the axle of Limit Bearing external member 7 is connected with regulator plate 6 in order to limit the circular runout of end face by the link perpendicular to axle.Be axially arranged with axial limiting bearing external member 11 at metal rotating ring 4; The axle of axial limiting bearing external member 11 is compressed flange 2, graphite annulus 3 and metal rotating ring 4 by perpendicular to being fixed on the regulator plate 6 of spring bearer plate 10, stage clip 9 and spring block 8 ecto-entads of axle vertically.
The tight rubbing surface that contacts that the sealing structure mainly leans on graphite annulus 3 and steel to get metal rotating ring 4 is realized sealing, and metal rotating ring 4 rotates with rotating cylinder and is rotating ring, and graphite annulus is a stationary ring, and two surface of contact all pass through high polish and handle.Radially reach axial limiting bearing external member and play spacing, as to compress two seal rings effect, corrugated expansion joint 1 can cushion and absorb body of heater because the axial stretching amount that the temperature difference causes.
Claims (3)
1. seal arrangement that is used for the biomass pyrolytic rotary furnace; It is characterized in that; Be made up of sealing configuration and limit stoper, described sealing configuration is made up of corrugated expansion joint (1), flange (2), graphite annulus (3) and metal rotating ring (4), and corrugated expansion joint (1) one end is connected with burner material feeding box or stove tail feed box; The other end adpting flange (2); Be lined with graphite annulus (3) between flange (2) and the metal rotating ring (4), metal rotating ring (4) is connected with rotating cylinder, and described limit stoper is circle distribution around sealing configuration.
2. the seal arrangement that is used for the biomass pyrolytic rotary furnace according to claim 1; It is characterized in that; Described limit stoper is by steel seat (5), regulator plate (6), radially Limit Bearing external member (7), spring block (8), stage clip (9), spring bearer plate (10), axial limiting bearing external member (11) are formed; L shaped steel seat (5) is stuck in outside the flange (2), steel seat (5) peripheral hardware regulator plate (6), by axially with radially to steel seat (5) application of force; Upwards be provided with radially Limit Bearing external member (7) in the footpath of metal rotating ring (4); Radially the axle of Limit Bearing external member (7) is connected with regulator plate (6) by the link perpendicular to axle, metal rotating ring (4) be axially arranged with axial limiting bearing external member (11), a quilt of axial limiting bearing external member (11) is fixed on the regulator plate (6) perpendicular to spring bearer plate (10), stage clip (9) and spring block (8) ecto-entad of axle.
3. the seal arrangement that is used for the biomass pyrolytic rotary furnace according to claim 1 is characterized in that, 4～8 of described limit stoper are evenly distributed on the sealing configuration periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202128336U CN202203413U (en) | 2011-06-22 | 2011-06-22 | Sealing device for biomass pyrolysis rotary furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202128336U CN202203413U (en) | 2011-06-22 | 2011-06-22 | Sealing device for biomass pyrolysis rotary furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202203413U true CN202203413U (en) | 2012-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202128336U Expired - Fee Related CN202203413U (en) | 2011-06-22 | 2011-06-22 | Sealing device for biomass pyrolysis rotary furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202203413U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105587863A (en) * | 2016-03-09 | 2016-05-18 | 浙江尚鼎工业炉有限公司 | Sealing mechanism with gas exchange preventing function |
| CN105626868A (en) * | 2016-03-09 | 2016-06-01 | 浙江尚鼎工业炉有限公司 | Sealing mechanism capable of preventing gas exchange |
| CN107024114A (en) * | 2016-01-29 | 2017-08-08 | 湖南鼎玖能源环境科技有限公司 | A kind of swing type rotary furnace |
| CN108267004A (en) * | 2018-01-29 | 2018-07-10 | 深圳市水务(集团)有限公司 | Seal of rotary kiln device |
| CN114518030A (en) * | 2022-03-21 | 2022-05-20 | 咸阳科源陶瓷有限公司 | Rotary furnace dynamic and static combined sealing device |
-
2011
- 2011-06-22 CN CN2011202128336U patent/CN202203413U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107024114A (en) * | 2016-01-29 | 2017-08-08 | 湖南鼎玖能源环境科技有限公司 | A kind of swing type rotary furnace |
| CN107024114B (en) * | 2016-01-29 | 2019-10-11 | 湖南鼎玖能源环境科技股份有限公司 | A kind of swing type rotary furnace |
| CN105587863A (en) * | 2016-03-09 | 2016-05-18 | 浙江尚鼎工业炉有限公司 | Sealing mechanism with gas exchange preventing function |
| CN105626868A (en) * | 2016-03-09 | 2016-06-01 | 浙江尚鼎工业炉有限公司 | Sealing mechanism capable of preventing gas exchange |
| CN108267004A (en) * | 2018-01-29 | 2018-07-10 | 深圳市水务(集团)有限公司 | Seal of rotary kiln device |
| CN114518030A (en) * | 2022-03-21 | 2022-05-20 | 咸阳科源陶瓷有限公司 | Rotary furnace dynamic and static combined sealing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20150622 |
|
| EXPY | Termination of patent right or utility model |