CN205878898U - Rotary kiln malleation labyrinth seals - Google Patents
Rotary kiln malleation labyrinth seals Download PDFInfo
- Publication number
- CN205878898U CN205878898U CN201620710234.XU CN201620710234U CN205878898U CN 205878898 U CN205878898 U CN 205878898U CN 201620710234 U CN201620710234 U CN 201620710234U CN 205878898 U CN205878898 U CN 205878898U
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- China
- Prior art keywords
- hopper
- labyrinth seal
- air inlet
- boiler tube
- malleation
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- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model relates to a rotary kiln malleation labyrinth seals has boiler tube and workbin, the open end of the one end follow workbin of boiler tube stretches into the inside of workbin, be equipped with labyrinth seal structure between the inner wall of workbin and the outer wall of boiler tube, for the part of giving vent to anger between the blind end of labyrinth seal structure and workbin, be the air intake part branch between the open end of labyrinth seal structure and workbin, the outlet duct of partial intercommunication is equipped with on the workbin and gives vent to anger, be equipped with at least one and the inside intake pipe that communicates of workbin on the workbin, the air inlet of intake pipe is located the air intake part branch of workbin. The utility model discloses simple structure, it is sealed effectual.
Description
Technical field
This utility model relates to rotary kiln field, particularly to a kind of rotary kiln malleation labyrinth seal.
Background technology
Rotary kiln, also known as rotary calcining kiln, can be divided into cement kiln, chemical metallurgy kiln and limekiln by processing material difference.Water
Stall is mainly used in calcination of cement clinker, point dry production cement kiln and the big class of wet production cement kiln two.Chemical metallurgy kiln is then
It is mainly used in the lean iron ore magnetic roasting of metallurgy industry steel plant；Chromium, josephinite oxidizing roasting；Refractory factory roasting high-aluminium vanadine
Ore deposit roasting grog, aluminium hydroxide；The class mineral such as chemical plant roasting chrome ore and chromite ore fine.Limekiln is used for roasting steel plant, ferrum
The active lime of Alloy Plant and light dolomite.Therefore rotary kiln is at many production industries such as building materials, metallurgy, chemical industry, environmental protection
In be widely used.
When rotary kiln uses in each big field at present, how to ensure that material does not leak when passing in and out hopper and have become as revolution
A subject matter in kiln use.Boiler tube in rotary kiln is to rotate, and hopper is static, it is therefore desirable to use dynamic close
Envelope.For this kind of movable sealing, traditional sealing means mainly has labyrinth seal, end face of flange to seal, fish scale lamination seals, filler
Seal.But, there is the shortcoming that sealing effectiveness is poor, device complicated or service life is short in traditional sealing means.
Utility model content
The purpose of this utility model is to provide a kind of simple in construction, the rotary kiln malleation labyrinth seal of good sealing effect.
The technical scheme realizing this utility model purpose is: this utility model has boiler tube and hopper；The one of described hopper
End is blind end, and the other end is opening；The inside of hopper is stretched into from the opening of hopper in one end of boiler tube；Described hopper interior
At least one labyrinth seal structure it is provided with between wall and the outer wall of boiler tube；Described labyrinth seal structure includes that at least one of which labyrinth is close
Envelope unit；Described labyrinth seal unit includes two stationary rings and a rotating ring；Described stationary ring is fixedly installed on the inwall of hopper,
Rotating ring is fixedly installed on the outer wall of boiler tube and rotating ring is between two stationary rings；Described stationary ring and rotating ring are all coaxial with boiler tube；
It is outlet gas part between described labyrinth seal structure and the blind end of hopper, between labyrinth seal structure and the opening of hopper is
Induction part；Described hopper is provided with the escape pipe connected with outlet gas part；Described hopper is provided with at least one and hopper
The air inlet pipe of portion's connection；The air inlet of described air inlet pipe is positioned at the induction part of hopper.
The bottom of the side of hopper is provided with discharge gate；Described discharge gate is positioned at the outlet gas part of hopper.
Above-mentioned hopper is provided with the air inlet pipe that multiple circumference along boiler tube is distributed；The air inlet of described air inlet pipe is positioned at
The induction part of hopper, thus hopper induction part formed around boiler tube rotate high velocity air, produce malleation.
Between inwall and the outer wall of boiler tube of above-mentioned hopper, the axis direction along boiler tube is provided with multiple labyrinth seal structure；?
Near being outlet gas part between labyrinth seal structure and the blind end of hopper of the blind end of hopper, near the blind end of hopper
Labyrinth seal structure and the opening of hopper between be induction part；Described induction part includes multiple by adjacent two labyrinths
Seal the secondary induction part that structure divides；It is equipped with at least one air inlet pipe in each secondary induction part of described hopper.
It is equipped with multiple air inlet pipe along the distribution of boiler tube circumference in each secondary induction part of above-mentioned hopper.
As optimization, between inwall and the outer wall of boiler tube of above-mentioned hopper, to be provided with two labyrinths close for axis direction along boiler tube
Seal structure；Near being outlet gas part between labyrinth seal structure and the blind end of hopper of the blind end of hopper, near material
It is induction part between labyrinth seal structure and the opening of hopper of the blind end of case；Between said two labyrinth seal structure
It is provided with multiple air inlet pipe along the distribution of boiler tube circumference.
As an alternative, above-mentioned labyrinth seal unit includes a stationary ring and two rotating rings；Described stationary ring is fixedly installed
On the inwall of hopper, rotating ring is fixedly installed on the outer wall of boiler tube；Described stationary ring is between two rotating rings；Described stationary ring and
Rotating ring is all coaxial with boiler tube.
This utility model has positive effect: hermetic seal and labyrinth seal are applied in combination, significantly by (1) this utility model
Improve sealing, effectively prevent leaking of material and gas；
(2) labyrinth seal structure simple in construction, good sealing effect in this utility model, and be easily installed；
(3) this utility model utilizes air inlet pipe to produce the high velocity air around boiler tube so that airflow direction is from entering all the time
Trachea enter hopper, through labyrinth structure, finally go out from the escape pipe of outlet gas part, it is ensured that internal gas and material not outside
Let out；
(4) in this utility model, discharge gate is easy to that some are deposited on the large granular materials bottom hopper and can be discharged.
Accompanying drawing explanation
In order to make content of the present utility model be easier to be clearly understood, below according to specific embodiment and combine attached
Figure, is described in further detail this utility model, wherein
Fig. 1 is structural representation of the present utility model；
Fig. 2 is left view of the present utility model；
Fig. 3 is the structural representation of labyrinth seal unit in this utility model.
Detailed description of the invention
(embodiment one)
See that Fig. 1 to Fig. 3, this utility model have boiler tube 1 and hopper 2；One end of described hopper 2 is blind end, the other end
For opening；The inside of hopper 2 is stretched into from the opening of hopper 2 in one end of boiler tube 1；Outside the inwall of described hopper 2 and boiler tube 1
Between wall, the axis direction along boiler tube 1 is provided with two labyrinth seal structures 3；Described labyrinth seal structure 3 includes at least one of which fan
Palace sealing unit；Described labyrinth seal unit includes two stationary rings 31 and a rotating ring 32；Described stationary ring 31 is fixedly installed on material
On the inwall of case 2, rotating ring 32 is fixedly installed on the outer wall of boiler tube 1 and rotating ring 32 is between two stationary rings 31；Described stationary ring
31 and rotating ring 32 all coaxial with boiler tube 1；
Near being outlet gas part 21 between labyrinth seal structure 3 and the blind end of hopper 2 of the blind end of hopper 2,
It is induction part between labyrinth seal structure 3 and the opening of hopper 2 of the blind end of close hopper 2；Described intake section subpackage
Include the secondary induction part 22 between two labyrinth seal structures 3；
Described hopper 2 is provided with the escape pipe 4 connected with outlet gas part 21；Described hopper 2 is provided with multiple along boiler tube 1
The air inlet pipe 5 of circumference distribution；The air inlet of described air inlet pipe 5 is positioned at the secondary induction part 22 of hopper 2.
The bottom of the side of hopper 2 is provided with discharge gate 6；Described discharge gate 6 is positioned at the outlet gas part 21 of hopper 2.
(embodiment two)
This utility model has boiler tube 1 and hopper 2；One end of described hopper 2 is blind end, and the other end is opening；Stove
The inside of hopper 2 is stretched into from the opening of hopper 2 in one end of pipe 1；Along stove between inwall and the outer wall of boiler tube 1 of described hopper 2
The axis direction of pipe 1 is provided with two labyrinth seal structures 3；Described labyrinth seal structure 3 includes at least one of which labyrinth seal unit；
Described labyrinth seal unit includes a stationary ring 31 and two rotating rings 32；Described stationary ring 31 is fixedly installed on the inwall of hopper 2,
Rotating ring 32 is fixedly installed on the outer wall of boiler tube 1；Described stationary ring 31 is between two rotating rings 32；Described stationary ring 31 and rotating ring 32
All coaxial with boiler tube 1；
Near being outlet gas part 21 between labyrinth seal structure 3 and the blind end of hopper 2 of the blind end of hopper 2,
It is induction part between labyrinth seal structure 3 and the opening of hopper 2 of the blind end of close hopper 2；Described intake section subpackage
Include the secondary induction part 22 between two labyrinth seal structures 3；
Described hopper 2 is provided with the escape pipe 4 connected with outlet gas part 21；Described hopper 2 is provided with multiple along boiler tube 1
The air inlet pipe 5 of circumference distribution；The air inlet of described air inlet pipe 5 is positioned at the secondary induction part 22 of hopper 2.
The bottom of the side of hopper 2 is provided with discharge gate 6；Described discharge gate 6 is positioned at the outlet gas part 21 of hopper 2.
Particular embodiments described above, has carried out entering one to the purpose of this utility model, technical scheme and beneficial effect
Step describes in detail, be it should be understood that and the foregoing is only specific embodiment of the utility model, is not limited to this
Utility model, all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. done, all should wrap
Within being contained in protection domain of the present utility model.
Claims (10)
1. a rotary kiln malleation labyrinth seal, has boiler tube (1) and hopper (2)；It is characterized in that: the one of described hopper (2)
End is blind end, and the other end is opening；The inside of hopper (2) is stretched into from the opening of hopper (2) in one end of boiler tube (1)；Institute
State and between the inwall of hopper (2) and the outer wall of boiler tube (1), be provided with at least one labyrinth seal structure (3)；Described labyrinth seal is tied
Structure (3) includes at least one of which labyrinth seal unit；Described labyrinth seal unit includes two stationary rings (31) and a rotating ring (32)；
Described stationary ring (31) is fixedly installed on the inwall of hopper (2), and rotating ring (32) is fixedly installed on the outer wall of boiler tube (1) and rotating ring
(32) it is positioned between two stationary rings (31)；Described stationary ring (31) and rotating ring (32) are all coaxial with boiler tube (1)；Described labyrinth seal is tied
It is outlet gas part (21) between the blind end of structure (3) and hopper (2), between the opening of labyrinth seal structure (3) and hopper (2)
For induction part；Described hopper (2) is provided with the escape pipe (4) connected with outlet gas part (21)；Described hopper (2) be provided with to
The few air inlet pipe (5) that connects internal with hopper (2)；The air inlet of described air inlet pipe (5) is positioned at the intake section of hopper (2)
Point.
Rotary kiln malleation labyrinth seal the most according to claim 1, it is characterised in that: the bottom of the side of hopper (2) sets
There is discharge gate (6)；Described discharge gate (6) is positioned at the outlet gas part (21) of hopper (2).
Rotary kiln malleation labyrinth seal the most according to claim 1 and 2, it is characterised in that: described hopper (2) is provided with many
The air inlet pipe (5) that the individual circumference along boiler tube (1) is distributed；The air inlet of described air inlet pipe (5) is positioned at the intake section of hopper (2)
Point.
Rotary kiln malleation labyrinth seal the most according to claim 2, it is characterised in that: the inwall of described hopper (2) and stove
Between the outer wall of pipe (1), the axis direction along boiler tube (1) is provided with multiple labyrinth seal structure (3)；Closing near hopper (2)
It is outlet gas part (21) between labyrinth seal structure (3) and the blind end of hopper (2) of end, near the blind end of hopper (2)
Labyrinth seal structure (3) and the opening of hopper (2) between be induction part；Described induction part includes multiple by adjacent two
The secondary induction part (22) that individual labyrinth seal structure (3) divides；It is equipped with on each secondary induction part (22) of described hopper (2)
At least one air inlet pipe (5).
Rotary kiln malleation labyrinth seal the most according to claim 4, it is characterised in that: each pair of described hopper (2) is entered
Multiple air inlet pipe (5) along the distribution of boiler tube (1) circumference it is equipped with in gas part (22).
Rotary kiln malleation labyrinth seal the most according to claim 2, it is characterised in that: the inwall of described hopper (2) and stove
Between the outer wall of pipe (1), the axis direction along boiler tube (1) is provided with two labyrinth seal structures (3)；Closing near hopper (2)
It is outlet gas part (21) between labyrinth seal structure (3) and the blind end of hopper (2) of end, near the blind end of hopper (2)
Labyrinth seal structure (3) and the opening of hopper (2) between be induction part；Between said two labyrinth seal structure (3)
It is provided with at least one air inlet pipe (5).
Rotary kiln malleation labyrinth seal the most according to claim 6, it is characterised in that: said two labyrinth seal structure
(3) multiple air inlet pipe (5) along the distribution of boiler tube (1) circumference it is provided with between.
8. a rotary kiln malleation labyrinth seal, has boiler tube (1) and hopper (2)；It is characterized in that: the one of described hopper (2)
End is blind end, and the other end is opening；The inside of hopper (2) is stretched into from the opening of hopper (2) in one end of boiler tube (1)；Institute
State and between the inwall of hopper (2) and the outer wall of boiler tube (1), be provided with at least one labyrinth seal structure (3)；Described labyrinth seal is tied
Structure (3) includes at least one of which labyrinth seal unit；Described labyrinth seal unit includes a stationary ring (31) and two rotating rings (32)；
Described stationary ring (31) is fixedly installed on the inwall of hopper (2), and rotating ring (32) is fixedly installed on the outer wall of boiler tube (1)；Described
Stationary ring (31) is positioned between two rotating rings (32)；Described stationary ring (31) and rotating ring (32) are all coaxial with boiler tube (1)；Described labyrinth is close
It is outlet gas part (21) between the blind end of seal structure (3) and hopper (2), labyrinth seal structure (3) and the opening of hopper (2)
Between be induction part；Described hopper (2) is provided with the escape pipe (4) connected with outlet gas part (21)；Described hopper sets on (2)
There is the internal air inlet pipe (5) connected of at least one and hopper (2)；The air inlet of described air inlet pipe (5) is positioned at the air inlet of hopper (2)
Part.
Rotary kiln malleation labyrinth seal the most according to claim 8, it is characterised in that: the bottom of the side of hopper (2) sets
There is discharge gate (6)；Described discharge gate (6) is positioned at the outlet gas part (21) of hopper (2).
Rotary kiln malleation labyrinth seal the most according to claim 8 or claim 9, it is characterised in that: described hopper (2) is provided with
The air inlet pipe (5) that multiple circumference along boiler tube (1) are distributed；The air inlet of described air inlet pipe (5) is positioned at the air inlet of hopper (2)
Part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620710234.XU CN205878898U (en) | 2016-07-06 | 2016-07-06 | Rotary kiln malleation labyrinth seals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620710234.XU CN205878898U (en) | 2016-07-06 | 2016-07-06 | Rotary kiln malleation labyrinth seals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205878898U true CN205878898U (en) | 2017-01-11 |
Family
ID=57695362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620710234.XU Active CN205878898U (en) | 2016-07-06 | 2016-07-06 | Rotary kiln malleation labyrinth seals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205878898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306932A (en) * | 2019-12-26 | 2020-06-19 | 西安三瑞实业有限公司 | Comprehensive sealing structure and sealing method for rotary kiln |
-
2016
- 2016-07-06 CN CN201620710234.XU patent/CN205878898U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111306932A (en) * | 2019-12-26 | 2020-06-19 | 西安三瑞实业有限公司 | Comprehensive sealing structure and sealing method for rotary kiln |
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| GR01 | Patent grant |