CN112146433A - Atmosphere-controllable rotary kiln and implementation method thereof - Google Patents
Atmosphere-controllable rotary kiln and implementation method thereof Download PDFInfo
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- CN112146433A CN112146433A CN202011145589.6A CN202011145589A CN112146433A CN 112146433 A CN112146433 A CN 112146433A CN 202011145589 A CN202011145589 A CN 202011145589A CN 112146433 A CN112146433 A CN 112146433A
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- rotary kiln
- inert gas
- gas inlet
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/32—Arrangement of devices for charging
- F27B7/3205—Charging
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/33—Arrangement of devices for discharging
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/36—Arrangements of air or gas supply devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/38—Arrangements of cooling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/06—Forming or maintaining special atmospheres or vacuum within heating chambers
- F27D2007/063—Special atmospheres, e.g. high pressure atmospheres
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention discloses a controllable atmosphere rotary kiln, which comprises a rotary kiln body, wherein the rotary kiln body comprises a furnace tube, stirring strips are arranged on the inner wall of the furnace tube, a feeding end of the rotary kiln body is provided with a feeding mechanism, a discharging end of the rotary kiln body is provided with a discharging mechanism, a kiln opening inert gas protection device is sleeved at the joint of the rotary kiln body and the feeding mechanism, and a kiln tail inert gas protection device is sleeved at the joint of the rotary kiln body and the discharging mechanism; the invention also discloses a method for realizing the atmosphere-controllable rotary kiln. According to the invention, the stirring strips are arranged on the inner wall of the furnace tube, so that the powder can be indirectly driven to stir along with the rotation of the furnace tube, and then the powder is in a continuous flowing state in the furnace tube, so that the whole powder is heated more uniformly, the powder is prevented from agglomerating and caking, the contact surface of the powder and reaction gas in the kiln is improved, the reaction is carried out more fully, the purity of the powder after the reaction is high, and impurities are few.
Description
Technical Field
The invention belongs to the technical field of rotary kilns, and particularly relates to a rotary kiln with controllable atmosphere and an implementation method thereof.
Background
Market demand: with the rapid development of the industries such as the electronic industry, the communication industry, the aviation field and the like, the market demand of the industries on high-performance wave-absorbing filter materials is increasing.
The following problems exist in the production of such products using previous equipment:
firstly, poor uniformity: when an ordinary kiln is sintered, powder needs to be filled in a relatively fixed container, so that the powder is always in a static state and is easy to agglomerate and cake during sintering, the density distribution of the powder is uneven, the powder is further heated unevenly, and the annealing of the powder is influenced.
Secondly, the performance is difficult to promote: when powder sintered by a common kiln is agglomerated and caked, a compact layer is easily formed on the surface of the powder, and reaction gas is prevented from fully contacting with the powder inside, so that the reaction cannot be fully performed, and the performance is influenced.
Thirdly, the air tightness is insufficient, and the atmosphere is uncontrollable: the common rotary kiln is not designed into a completely sealed airtight design structure, so that the characteristic of adjustable atmosphere does not exist.
Disclosure of Invention
The invention aims to provide a rotary kiln with controllable atmosphere, which solves the problems in the background technology. The atmosphere-controllable rotary kiln provided by the invention has the characteristics of good uniformity, more uniform and compact density of sintered products and better performance.
The invention also aims to provide a method for realizing the rotary kiln with the controllable atmosphere.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a controllable atmosphere rotary kiln, includes the rotary kiln body, and the rotary kiln body includes the boiler tube, is equipped with the stirring strip on the inner wall of boiler tube, and the feed end of rotary kiln body is equipped with feed mechanism, and the discharge end of rotary kiln body is equipped with discharge mechanism, and the rotary kiln body overlaps with discharge mechanism's junction and is equipped with kiln mouth inert gas protection device, and the rotary kiln body overlaps with discharge mechanism's junction and is equipped with kiln tail inert gas protection device.
Further, in the present invention, the stirring bar has a spiral structure or a strip structure.
In the invention, the feeding mechanism comprises a first feeding bin, a second feeding bin and a screw feeder, wherein the output end of the screw feeder is embedded in the input end of the rotary kiln body, the second feeding bin is arranged above the input end of the screw feeder, and the first feeding bin is arranged above the second feeding bin.
The rotary kiln comprises a rotary kiln body, a rotary kiln body and a discharging mechanism, wherein the rotary kiln body is arranged in the rotary kiln body, and the discharging mechanism is arranged in the rotary kiln body.
The kiln tail inert gas protection device further comprises a first sealing shell, a first connecting swivel, a first inert gas inlet and a reducing gas inlet, wherein the first sealing shell is sleeved outside the joint of the rotary kiln body and the discharging mechanism, the first sealing shell is connected with the furnace tube through the first connecting swivel, the first inert gas inlet and the reducing gas inlet are arranged at the bottom of the first sealing shell, and the reducing gas inlet is located on one side of the first inert gas inlet.
The kiln inlet inert gas protection device further comprises a second sealing shell, a second inert gas inlet and a second connecting rotating ring, wherein the second sealing shell is sleeved outside the joint of the rotary kiln body and the feeding mechanism, the second sealing shell is connected with the furnace tube through the second connecting rotating ring, the second inert gas inlet is arranged at the bottom of the second sealing shell, and a gas outlet is arranged above the second sealing shell.
Further in the present invention, the stirring bar is a stainless steel member.
Further, the method for realizing the rotary kiln with the controllable atmosphere comprises the following steps:
feeding materials from a first feeding bin, and feeding the materials into the furnace tube through a second feeding bin and a screw feeder;
secondly, introducing reducing gas from a reducing gas inlet, fully contacting the materials with the reducing gas under the stirring of the rotary kiln body, reacting, and discharging generated waste gas from a gas outlet;
thirdly, the materials after the reaction are fed into a discharging bin, cooled by a cooling tank and discharged;
and in the reaction process, inert gas is introduced from the first inert gas inlet and the second inert gas inlet, so that the interiors of the first sealing shell and the second sealing shell are filled with the inert gas, and the materials are prevented from being oxidized when air enters the furnace tube.
In the method for realizing the rotary kiln with the controllable atmosphere, the reducing gas in the step (II) is hydrogen, and the inert gas in the step (IV) is nitrogen.
In the invention, the stirring bar is of a spiral structure or a long strip structure, the feeding mechanism comprises a first feeding bin, a second feeding bin and a spiral feeder, wherein the output end of the spiral feeder is embedded in the input end of the rotary kiln body, the second feeding bin is arranged above the input end of the spiral feeder, the first feeding bin is arranged above the second feeding bin, the discharging mechanism comprises a discharging bin and a cooling tank, the output end of the rotary kiln body extends into the input end of the discharging bin, the cooling tank is connected below the output end of the discharging bin, the kiln tail inert gas protection device comprises a first sealing shell, a first connecting rotating ring, a first inert gas inlet and a reducing gas inlet, wherein the first sealing shell is sleeved outside the connecting part of the rotary kiln body and the discharging mechanism, and is connected with the furnace tube through the first connecting rotating ring, the bottom of first seal shell is equipped with first inert gas air inlet and reducing gas air inlet, the reducing gas air inlet is located one side of first inert gas air inlet, kiln mouth inert gas protection device includes the second seal shell, the change is connected to second inert gas air inlet and second, wherein, the outside at rotary kiln body and feed mechanism junction is established to the seal shell cover of second, the seal shell of second passes through the second with the boiler tube and is connected the change and be connected, the bottom of the seal shell of second is equipped with the second inert gas air inlet, the top of the seal shell of second is equipped with the gas outlet, the stirring strip is the stainless steel component.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the stirring strips are arranged on the inner wall of the furnace tube, so that the powder can be indirectly driven to stir along with the rotation of the furnace tube, and then the powder is in a continuous flowing state in the furnace tube, so that the whole powder is heated more uniformly, the powder is prevented from agglomerating and caking, the contact surface of the powder and reaction gas in the kiln is improved, the reaction is carried out more fully, the purity of the powder after the reaction is high, and impurities are few;
2. the feeding mechanism adopts a two-stage bin form of the first feeding bin and the second feeding bin for feeding, so that the powder can be fully isolated from the outside, and the screw feeder is adopted for feeding, so that the feeding is uniform and stable;
3. the discharging mechanism is provided with the cooling tank, and materials can be cooled through the arrangement of the cooling tank;
4. according to the invention, through the arrangement of the kiln tail inert gas protection device and the kiln opening inert gas protection device, the air can be prevented from entering the furnace pipe to oxidize the powder, the safety of the rotary kiln body is ensured, and safety accidents are prevented.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a feeding mechanism of the present invention;
FIG. 3 is a schematic structural diagram of a discharging mechanism of the present invention;
FIG. 4 is a schematic structural diagram of a kiln inlet inert gas protection device according to the present invention;
FIG. 5 is a schematic structural diagram of a kiln tail inert gas protection device according to the invention;
FIGS. 6 and 7 are schematic structural views of the interior of the furnace tube of the present invention;
in the figure: 1. a rotary kiln body; 2. a discharging mechanism; 21. a discharging bin; 22. a cooling tank; 3. a kiln tail inert gas protection device; 31. a first sealed housing; 32. a first connecting swivel; 33. a first inert gas inlet; 34. a reducing gas inlet; 4. a feeding mechanism; 41. a first feeding bin; 42. a second feeding bin; 43. a screw feeder; 5. a kiln mouth inert gas protection device; 51. a second sealed housing; 52. a second inert gas inlet; 53. a second connecting swivel; 54. an air outlet; 6. a furnace tube; 7. and (4) stirring the strips.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-7, the present invention provides the following technical solutions: the utility model provides a controllable atmosphere rotary kiln, including rotary kiln body 1, rotary kiln body 1 includes boiler tube 6, be equipped with stirring strip 7 on boiler tube 6's the inner wall, stirring strip 7 is the stainless steel component, rotary kiln body 1's feed end is equipped with feed mechanism 4, rotary kiln body 1's discharge end is equipped with discharge mechanism 2, rotary kiln body 1 overlaps with the junction cover of feed mechanism 4 and is equipped with kiln mouth inert gas protection device 5, rotary kiln body 1 overlaps with the junction cover of discharge mechanism 2 and is equipped with kiln tail inert gas protection device 3.
Further, the stirring bar 7 has a spiral structure.
Through adopting above-mentioned technical scheme, can rotate along with boiler tube 6 and indirectly drive the powder stirring, make then the powder be in a constantly mobile state in boiler tube 6, make the powder whole be heated more evenly, avoid the powder caking of agglomerating, improve powder and kiln in the gaseous contact surface of reacting, make the reaction go on more fully, the powder purity is high after the reaction, impurity is few.
Further, the feeding mechanism 4 comprises a first feeding bin 41, a second feeding bin 42 and a screw feeder 43, wherein the output end of the screw feeder 43 is embedded inside the input end of the rotary kiln body 1, the second feeding bin 42 is arranged above the input end of the screw feeder 43, and the first feeding bin 41 is arranged above the second feeding bin 42.
By adopting the technical scheme, the two-stage bin type feeding of the first feeding bin 41 and the second feeding bin 42 is adopted, so that the powder can be fully isolated from the outside; the feeding is performed by a screw feeder 43, so that the feeding is uniform and stable.
Further, discharge mechanism 2 includes a feed bin 21 and a cooling tank 22, wherein, the output of rotary kiln body 1 stretches into the inside to a feed bin 21 input, and the below of a feed bin 21 output is connected with cooling tank 22.
By adopting the technical scheme, the material can be cooled through the arrangement of the cooling tank 22.
Further, the kiln tail inert gas protection device 3 comprises a first sealing shell 31, a first connecting rotating ring 32, a first inert gas inlet 33 and a reducing gas inlet 34, wherein the first sealing shell 31 is sleeved outside the joint of the rotary kiln body 1 and the discharging mechanism 2, the first sealing shell 31 is connected with the furnace tube 6 through the first connecting rotating ring 32, the bottom of the first sealing shell 31 is provided with the first inert gas inlet 33 and the reducing gas inlet 34, and the reducing gas inlet 34 is positioned on one side of the first inert gas inlet 33.
Further, the kiln inlet inert gas protection device 5 comprises a second sealing shell 51, a second inert gas inlet 52 and a second connecting swivel 53, wherein the second sealing shell 51 is sleeved outside the joint of the rotary kiln body 1 and the feeding mechanism 4, the second sealing shell 51 is connected with the furnace tube 6 through the second connecting swivel 53, the second inert gas inlet 52 is arranged at the bottom of the second sealing shell 51, and a gas outlet 54 is arranged above the second sealing shell 51.
By adopting the technical scheme, the arrangement of the kiln tail inert gas protection device 3 and the kiln opening inert gas protection device 5 can prevent air from entering the furnace tube 6 to oxidize powder, thereby ensuring the safety of the rotary kiln body 1 and preventing safety accidents.
Example 2
The present embodiment is different from embodiment 1 in that: further, the stirring bar 7 is a strip-shaped structure.
By adopting the technical scheme, the strip-shaped stirring strips are at least more than three.
Further, the method for realizing the rotary kiln with the controllable atmosphere comprises the following steps:
feeding materials from a first feeding bin 41, and entering the interior of the furnace tube 6 through a second feeding bin 42 and a screw feeder 43;
secondly, introducing reducing gas from a reducing gas inlet 34, fully contacting the materials with the reducing gas under the stirring of the rotary kiln body 1 for reaction, and discharging generated waste gas from a gas outlet 54;
thirdly, the materials after the reaction enter a discharging bin 21, and are discharged after being cooled by a cooling tank 22;
in the reaction process, inert gas is introduced from the first inert gas inlet 33 and the second inert gas inlet 52, so that the interiors of the first sealing shell 31 and the second sealing shell 51 are filled with the inert gas, and the material is prevented from being oxidized because air enters the furnace tube 6.
Further, the reducing gas in the step (two) is hydrogen (or other reducing gas), and the inert gas in the step (four) is nitrogen (or other inert gas).
The model of the rotary kiln body 1 is 3.5M-YY-WFT; the cooling tank 22 is FTK-127S; the model of the connecting swivel is DN 300; the screw feeder 43 is of the type 50A and is commercially available from Yixingfeng thermal technology Co.
In conclusion, the stirring strips 7 are arranged on the inner wall of the furnace tube 6, and can indirectly drive the powder to stir along with the rotation of the furnace tube 6, so that the powder is in a continuous flowing state in the furnace tube 6, the whole powder is heated more uniformly, the powder is prevented from agglomerating and caking, the contact surface of the powder and reaction gas in the kiln is improved, the reaction is carried out more fully, the purity of the powder after the reaction is high, and impurities are few; the feeding mechanism 4 adopts a two-stage bin form of a first feeding bin 41 and a second feeding bin 42 to feed, so that the powder can be fully isolated from the outside, and the screw feeder 43 is adopted to feed, so that the feeding is uniform and stable; the discharging mechanism 2 is provided with the cooling tank 22, and the material can be cooled through the arrangement of the cooling tank 22; according to the invention, through the arrangement of the kiln tail inert gas protection device 3 and the kiln opening inert gas protection device 5, air can be prevented from entering the furnace tube 6 to oxidize powder, so that the safety of the rotary kiln body 1 is ensured, and safety accidents are prevented.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a controllable atmosphere rotary kiln, includes rotary kiln body (1), its characterized in that: the rotary kiln comprises a rotary kiln body (1) and is characterized in that the rotary kiln body (1) comprises a furnace tube (6), stirring strips (7) are arranged on the inner wall of the furnace tube (6), a feeding end of the rotary kiln body (1) is provided with a feeding mechanism (4), a discharging end of the rotary kiln body (1) is provided with a discharging mechanism (2), a kiln opening inert gas protection device (5) is sleeved at the joint of the rotary kiln body (1) and the feeding mechanism (4), and a kiln tail inert gas protection device (3) is sleeved at the joint of the rotary kiln body (1) and the discharging mechanism (2).
2. A controlled atmosphere rotary kiln as claimed in claim 1, wherein: the stirring bar (7) is of a spiral structure or a strip structure.
3. A controlled atmosphere rotary kiln as claimed in claim 1, wherein: the feeding mechanism (4) comprises a first feeding bin (41), a second feeding bin (42) and a screw feeder (43), wherein the output end of the screw feeder (43) is embedded into the input end of the rotary kiln body (1), the second feeding bin (42) is arranged above the input end of the screw feeder (43), and the first feeding bin (41) is arranged above the second feeding bin (42).
4. A controlled atmosphere rotary kiln as claimed in claim 1, wherein: discharge mechanism (2) are including going out feed bin (21) and cooling tank (22), and wherein, the output of rotary kiln body (1) stretches into the inside to going out feed bin (21) input, and the below that goes out feed bin (21) output is connected with cooling tank (22).
5. A controlled atmosphere rotary kiln as claimed in claim 1, wherein: kiln tail inert gas protection device (3) include first sealed casing (31), first connection change (32), first inert gas inlet (33) and reducing gas inlet (34), wherein, first sealed casing (31) cover is established in the outside of rotary kiln body (1) and discharge mechanism (2) junction, first sealed casing (31) are connected through first connection change (32) with boiler tube (6), the bottom of first sealed casing (31) is equipped with first inert gas inlet (33) and reducing gas inlet (34), reducing gas inlet (34) are located one side of first inert gas inlet (33).
6. A controlled atmosphere rotary kiln as claimed in claim 1, wherein: kiln mouth inert gas protection device (5) include second seal shell (51), second inert gas inlet (52) and second connection change (53), wherein, second seal shell (51) cover is established in the outside of rotary kiln body (1) and feed mechanism (4) junction, second seal shell (51) are connected through second connection change (53) with boiler tube (6), the bottom of second seal shell (51) is equipped with second inert gas inlet (52), the top of second seal shell (51) is equipped with gas outlet (54).
7. A controlled atmosphere rotary kiln as claimed in claim 1, wherein: the stirring bar (7) is a stainless steel component.
8. A method of implementing a controlled atmosphere rotary kiln as claimed in any one of claims 1 to 7, comprising the steps of:
feeding materials from a first feeding bin (41) and entering the interior of a furnace tube (6) through a second feeding bin (42) and a screw feeder (43);
secondly, introducing reducing gas from a reducing gas inlet (34), fully contacting the materials with the reducing gas under the stirring of the rotary kiln body (1) for reaction, and discharging generated waste gas from a gas outlet (54);
thirdly, the materials after the reaction enter a discharging bin (21), and are discharged after being cooled by a cooling tank (22);
and in the reaction process, inert gas is introduced from the first inert gas inlet (33) and the second inert gas inlet (52), so that the interiors of the first sealing shell (31) and the second sealing shell (51) are filled with the inert gas, and the material is prevented from being oxidized due to the fact that air enters the furnace tube (6).
9. A method of implementing a controlled atmosphere rotary kiln as claimed in claim 8, wherein: in the step (II), the reducing gas is hydrogen, and the inert gas in the step (IV) is nitrogen.
10. A method of implementing a controlled atmosphere rotary kiln as claimed in claim 9, wherein: the stirring bar (7) is of a spiral structure or a long-strip structure, the feeding mechanism (4) comprises a first feeding bin (41), a second feeding bin (42) and a spiral feeder (43), the output end of the spiral feeder (43) is embedded in the input end of the rotary kiln body (1), the second feeding bin (42) is arranged above the input end of the spiral feeder (43), the first feeding bin (41) is arranged above the second feeding bin (42), the discharging mechanism (2) comprises a discharging bin (21) and a cooling tank (22), the output end of the rotary kiln body (1) extends into the input end of the discharging bin (21), the cooling tank (22) is connected below the output end of the discharging bin (21), the kiln tail inert gas protection device (3) comprises a first sealing shell (31), a first connecting rotary ring (32), a first inert gas inlet (33) and a reducing gas inlet (34), wherein the first sealing shell (31) is sleeved outside the joint of the rotary kiln body (1) and the discharging mechanism (2), the first sealing shell (31) is connected with the furnace tube (6) through a first connecting swivel (32), a first inert gas inlet (33) and a reducing gas inlet (34) are arranged at the bottom of the first sealing shell (31), the reducing gas inlet (34) is positioned at one side of the first inert gas inlet (33), the kiln opening inert gas protection device (5) comprises a second sealing shell (51), a second inert gas inlet (52) and a second connecting swivel (53), wherein the second sealing shell (51) is sleeved outside the joint of the rotary kiln body (1) and the feeding mechanism (4), the second sealing shell (51) is connected with the furnace tube (6) through the second connecting swivel (53), and a second inert gas inlet (52) is arranged at the bottom of the second sealing shell (51), an air outlet (54) is arranged above the second sealing shell (51), and the stirring strip (7) is a stainless steel component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011145589.6A CN112146433A (en) | 2020-10-23 | 2020-10-23 | Atmosphere-controllable rotary kiln and implementation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011145589.6A CN112146433A (en) | 2020-10-23 | 2020-10-23 | Atmosphere-controllable rotary kiln and implementation method thereof |
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| CN112146433A true CN112146433A (en) | 2020-12-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113976097A (en) * | 2021-12-29 | 2022-01-28 | 山西炬华新材料科技有限公司 | Oxygen-controlling roasting device and method containing activated carbon carrier and catalyst |
| CN117308576A (en) * | 2023-11-29 | 2023-12-29 | 佛山市天禄智能装备科技有限公司 | High-temperature-resistant water-cooling sealing structure of rotary kiln |
-
2020
- 2020-10-23 CN CN202011145589.6A patent/CN112146433A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113976097A (en) * | 2021-12-29 | 2022-01-28 | 山西炬华新材料科技有限公司 | Oxygen-controlling roasting device and method containing activated carbon carrier and catalyst |
| CN113976097B (en) * | 2021-12-29 | 2022-03-08 | 山西炬华新材料科技有限公司 | Oxygen-controlling roasting device and method containing activated carbon carrier and catalyst |
| CN117308576A (en) * | 2023-11-29 | 2023-12-29 | 佛山市天禄智能装备科技有限公司 | High-temperature-resistant water-cooling sealing structure of rotary kiln |
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