CN114518030A - Rotary furnace dynamic and static combined sealing device - Google Patents
Rotary furnace dynamic and static combined sealing device Download PDFInfo
- Publication number
- CN114518030A CN114518030A CN202210275441.7A CN202210275441A CN114518030A CN 114518030 A CN114518030 A CN 114518030A CN 202210275441 A CN202210275441 A CN 202210275441A CN 114518030 A CN114518030 A CN 114518030A
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- Prior art keywords
- gas
- static
- dynamic
- sealing
- rotary furnace
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 140
- 230000003068 static effect Effects 0.000 title claims abstract description 55
- 239000007789 gas Substances 0.000 claims description 111
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000007770 graphite material Substances 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 239000000843 powder Substances 0.000 abstract description 8
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Classifications
-
- 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
- F27B7/06—Rotary-drum furnaces, i.e. horizontal or slightly inclined adapted for treating the charge in vacuum or special atmosphere
-
- 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
- F27B7/22—Rotary drums; Supports therefor
- F27B7/24—Seals between rotary and stationary parts
-
- 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
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0073—Seals
- F27D99/0075—Gas curtain seals
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention relates to a dynamic and static combined sealing device of a rotary furnace, which comprises a rotary furnace tube, a discharge hopper, a dynamic gas ring sealing structure, a static sealing structure and a furnace tube guiding structure, wherein the rotary furnace tube is arranged on the discharge hopper; the dynamic gas ring sealing structure comprises a sealing gas control system, a first dynamic gas ring sealing structure and a second dynamic gas ring sealing structure; the static sealing structure comprises a first static sealing gasket, a second static sealing gasket and a third static sealing gasket; the furnace tube guide structure comprises guide wheels, guide wheel pin shafts and compression rings. According to the invention, a dynamic and static combined sealing device is adopted, the static sealing structure is tightly attached to the rotary furnace tube, most of powder in the rotary furnace and gas in the rotary furnace are prevented from leaking, the dynamic gas ring sealing structure continuously inflates the gas ring sealing tube through the gas inlet, the exhaust pipe continuously exhausts gas, the gas ring sealing tube is filled with gas, positive-pressure dynamic gas flow is formed, and the powder in the rotary furnace and the gas in the rotary furnace are effectively prevented from leaking.
Description
Technical Field
The invention relates to the technical field of sealing of rotary furnaces, in particular to a dynamic and static combined sealing device of a rotary furnace.
Background
The rotary furnace is a common device used in the sintering process of powder materials, the rotary furnace needs to be completely isolated from air or filled with a large amount of inert gas for protection in the sintering process, and if the sealing effect of the rotary furnace is poor, firstly, the oxygen content in the rotary furnace cannot be ensured, the powder materials are easy to oxidize, and the physical and chemical properties of the materials are unstable; secondly, gas in the rotary furnace is leaked, the consumption of inert gas is increased, and the generated waste gas cannot be intensively discharged, so that the environment is seriously polluted.
The existing sealing of the rotary furnace can be divided into a contact type and a non-contact type, wherein the non-contact type sealing mainly comprises an air seal type and a labyrinth type and is mainly used for equipment with low sealing requirements; the contact type seal is divided into radial seal and axial seal, and mainly comprises graphite block seal, fish scale seal, friction plate seal, spring rod seal, cylinder seal and the like. These sealing devices are usually very poor in sealing effect due to the rotation of the rotary kiln, so that the thermal stability in the kiln is damaged, the atmosphere in the kiln is leaked, the performance of materials is affected, and serious air pollution is caused. Moreover, when the existing sealing device of the rotary furnace is maintained and repaired, the process is complex, the operation is frequent, a great deal of energy is needed, and the cost is extremely high.
Based on the defects, the dynamic and static combined sealing device is designed, is used for a rotary calcining furnace for powder materials, has a good sealing effect, maintains the thermal stability of the rotary calcining furnace, ensures the stable performance of the materials, avoids gas leakage, does not need frequent maintenance and repair, and has long service life.
Disclosure of Invention
The invention relates to a dynamic and static combined sealing device for a rotary furnace, which solves the technical problems that the existing sealing device has poor sealing effect due to the rotation of the rotary furnace, the thermal stability in the furnace is damaged, the atmosphere in the furnace is leaked, the performance of materials is influenced, and the serious air pollution is caused. The device has the advantages of good sealing effect, long service life, no need of frequent maintenance and repair, maintenance of the thermal stability of the rotary furnace, guarantee of the stable performance of materials and avoidance of gas leakage.
In order to realize the purpose, the invention adopts the following technical scheme: a rotary furnace dynamic and static combined sealing device comprises a rotary furnace tube, wherein one end of the rotary furnace tube is connected with a discharge hopper, one end of the discharge hopper is provided with a flange, the rotary furnace tube is also provided with a dynamic gas ring sealing structure, a static sealing structure and a furnace tube guiding structure, the dynamic gas ring sealing structure comprises a sealing gas control system, a first dynamic gas ring sealing structure and a second dynamic gas ring sealing structure, the first dynamic gas ring sealing structure comprises a first gas inlet, a first gas ring sealing tube and a first exhaust port, and the second dynamic gas ring sealing structure comprises a second gas inlet, a second gas ring sealing tube and a second exhaust port; the gas control system is connected with a first gas inlet and a second gas inlet, the first gas inlet is arranged on the upper half part of the first gas ring sealing pipe, the first exhaust port and the first gas inlet are symmetrically distributed on two sides of the first gas ring sealing pipe, the second gas inlet is arranged on the upper half part of the second gas ring sealing pipe, and the second exhaust port and the second gas inlet are symmetrically distributed on two sides of the second gas ring sealing pipe; flanges are arranged at two ends of the first air ring sealing pipe and the second air ring sealing pipe;
The static sealing structure comprises a first static sealing gasket, a second static sealing gasket and a third static sealing gasket, and the furnace tube guiding structure comprises a guide wheel, a guide wheel pin shaft and a pressing ring;
one end flange of the first air ring sealing pipe is connected with the discharge hopper flange, and the first static sealing gasket is arranged between the one end flange of the first air ring sealing pipe and the discharge hopper flange;
the flange at the other end of the first gas ring sealing pipe is connected with the flange at one end of the second gas ring sealing pipe, and the second static sealing gasket is arranged between the flange at the other end of the first gas ring sealing pipe and the flange at one end of the second gas ring sealing pipe; the flange at the other end of the second air ring sealing pipe is fixedly connected with the guide wheel through the guide wheel pin shaft, and the flange at the other end of the second air ring sealing pipe is sequentially arranged between the third static sealing gasket and the compression ring.
Furthermore, the static sealing structure is L-shaped, and the lower part of the L-shaped structure is tightly attached to the outer side of the rotary furnace tube.
Further, the furnace tube guide structures are at least 8 groups, the compression ring is provided with assembly through holes, the number of the assembly through holes is the same as that of the furnace tube guide structures, and the assembly through holes are uniformly distributed on the compression ring.
Furthermore, the static sealing structure is made of high-temperature-resistant silicon rubber or flexible graphite materials.
Further, the gas source of the dynamic gas ring sealing structure is one or a combination of more of nitrogen, oxygen and inert gas.
Compared with the prior art, the invention has the following beneficial effects:
1) according to the invention, a dynamic and static combined sealing device is adopted, the static sealing structure is tightly attached to the rotary furnace tube, most of powder and gas in the rotary furnace are prevented from leaking, the dynamic gas ring sealing structure continuously inflates gas into the gas ring sealing tube through the gas inlet, the exhaust pipe continuously exhausts gas, the gas ring sealing tube is filled with gas, positive-pressure dynamic gas flow is formed, and the powder and the gas in the rotary furnace are effectively prevented from leaking;
2) according to the invention, three groups of static sealing structures and two groups of dynamic gas ring sealing structures are arranged, so that the sealing effect is effectively improved, the rotary furnace can still be normally used under the condition of higher pressure ratio in the rotary furnace, the thermal stability of the rotary furnace is maintained, the performance stability of materials is ensured, and the phenomena of gas leakage and powder leakage of the rotary furnace are avoided;
3) the device is simple and easy to operate, long in service life, free of frequent maintenance and repair and low in cost.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front sectional view of the present invention;
in the figure: 1-rotating the furnace tube; 2-a discharge hopper; 3-dynamic gas ring sealing structure; 31-a seal gas control system; 32-a first dynamic gas ring seal structure; 321-a first air inlet; 322-first air ring sealing tube; 323-first exhaust port; 33-a second dynamic gas ring seal structure; 331-a second air inlet; 332-a second gas ring gland; 333-a second vent; 4-static sealing structure; 41-a first static gasket; 42-a second static gasket; 43-a third static gasket; 5-furnace tube guiding structure; 51-a guide wheel; 52-guide wheel pin shaft; 53-pressure ring.
Detailed Description
The invention is described in further detail below with reference to the figures and specific embodiments.
Example 1
As shown in figure 1, the dynamic and static combined sealing device of the rotary furnace, provided by the invention, comprises a discharge hopper 2 arranged at one end of a rotary furnace tube 1, a flange arranged at one end of the discharge hopper 2, and a dynamic and static combined sealing device of the rotary furnace, which comprises a dynamic gas ring sealing structure 3, a static sealing structure 4 and a furnace tube guiding structure 5.
As shown in fig. 2, the dynamic gas ring sealing structure 3 includes a sealing gas control system 31, a first dynamic gas ring sealing structure 32, and a second dynamic gas ring sealing structure 33, the first dynamic gas ring sealing structure 32 includes a first gas inlet 321, a first gas ring sealing pipe 322, and a first gas outlet 323, the second dynamic gas ring sealing structure 33 includes a second gas inlet 331, a second gas ring sealing pipe 332, and a second gas outlet 333, flanges are disposed at both ends of the first gas ring sealing pipe 322 and the second gas ring sealing pipe 332, the gas control system 31 is connected to the first gas inlet 321 and the second gas inlet 331, the first gas inlet 321 is disposed at an upper half portion of the first gas ring sealing pipe 322, the first gas outlet 323 is symmetrically distributed with the first gas inlet 321, the second gas inlet 331 is disposed at an upper half portion of the second gas ring sealing pipe 332, the second exhaust ports 333 and the second intake ports 331 are symmetrically distributed.
Furnace tube guide structure 5 includes leading wheel 51, leading wheel round pin axle 52 and clamping ring 53, leading wheel 51 with clamping ring 53 passes through leading wheel round pin axle 52 fixed connection to on the flange of second gas ring seal pipe 332 one end, clamping ring 53 with be provided with in the middle of the flange of second gas ring seal pipe 332 one end third static seal pad 43, guide structure 5 is 8 groups at least, be provided with on clamping ring 53 with the same assembly through-hole of 5 quantity of guide structure, assembly through-hole evenly distributed is in on the clamping ring.
A flange at one end of the first air ring sealing pipe 322 is fixedly connected with a flange of the discharge hopper 2 through a bolt, and the first static sealing gasket 41 is arranged between the flange at one end of the first air ring sealing pipe 322 and the flange of the discharge hopper 2; a flange at the other end of the first gas ring sealing pipe 322 is fixedly connected with a flange at one end of the second gas ring sealing pipe 332 through a bolt, and a second static sealing gasket 42 is arranged between the flange at the other end of the first gas ring sealing pipe 322 and the flange at one end of the second gas ring sealing pipe 332; the flange at the other end of the second air ring sealing pipe 332 is fixedly connected with the guide wheel 51 through the guide wheel pin shaft 52, and the flange at the other end of the second air ring sealing pipe 332 is sequentially arranged in the middle of the guide wheel 51, so that the third static sealing gasket 43 and the pressing ring 53 are arranged.
In this embodiment, three sets of static seal structures 4 and two sets of dynamic gas ring seal structures 3 are provided.
In this embodiment, the dynamic gas ring sealing structure 3 adopts a nitrogen gas source.
In this embodiment, the first dynamic gas ring seal 32 and the second dynamic gas ring seal 33 are each provided with one gas inlet and one gas outlet.
In this embodiment, the static sealing structure 4 is made of high temperature resistant silicone rubber.
In this embodiment, the static sealing structure 4 is L-shaped, and the lower portion of the L-shaped structure is in close contact with the outer side of the rotary furnace tube 1.
In this embodiment, the guide structures 5 are 8 groups, are installed at the same intervals along the outer side of the rotary furnace tube 1, and are used for limiting the rotary furnace tube 2, preventing the rotary furnace tube 2 from jumping due to rotation, and protecting the sealing structure.
Example 2
This example is substantially the same as example 1, except that:
in this embodiment, four sets of static seal structures 4 and three sets of dynamic gas ring seal structures 3 are provided.
In this embodiment, the dynamic gas ring seal 3 uses an argon gas source.
In the embodiment, the upper half part of the air ring sealing pipe is provided with 3 air inlets, and the air outlets and the air inlets with the same number are respectively and symmetrically arranged.
In this embodiment, the guiding structures 5 are 12 groups, and are installed at the same intervals along the outer side of the rotary furnace tube 1.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make many possible variations and modifications to the disclosed embodiments, or modify the embodiments with equivalent variations, without departing from the scope of the disclosed embodiments. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention shall fall within the protection scope of the technical solution of the present invention, unless the contents of the technical solution of the present invention.
Claims (5)
1. The utility model provides a rotary furnace sound convolution sealing device, includes rotary furnace boiler tube (1), the one end of rotary furnace boiler tube (1) is connected with out hopper (2), the one end that goes out hopper (2) is provided with the flange, still be provided with dynamic gas ring seal structure (3), static seal structure (4) and boiler tube guide structure (5) on rotary furnace boiler tube (1), a serial communication port, dynamic gas ring seal structure (3) are including sealed gas control system (31), first dynamic gas ring seal structure (32), second dynamic gas ring seal structure (33), first dynamic gas ring seal structure (32) are including first air inlet (321), first gas ring seal pipe (322), first exhaust port (323), second dynamic gas ring seal structure (33) are including second air inlet (331), second gas ring seal pipe (332), A second exhaust port (333); the gas control system (31) is connected with a first gas inlet (321) and a second gas inlet (331), the first gas inlet (321) is arranged at the upper half part of the first gas ring sealing pipe (322), the first gas outlet (323) and the first gas inlet (321) are symmetrically distributed at two sides of the first gas ring sealing pipe (322), the second gas inlet (331) is arranged at the upper half part of the second gas ring sealing pipe (332), and the second gas outlet (333) and the second gas inlet (331) are symmetrically distributed at two sides of the second gas ring sealing pipe (332); flanges are arranged at two ends of the first air ring sealing pipe (322) and the second air ring sealing pipe (332);
The static sealing structure (4) comprises a first static sealing gasket (41), a second static sealing gasket (42) and a third static sealing gasket (43), and the furnace tube guiding structure (5) comprises a guide wheel (51), a guide wheel pin shaft (52) and a pressing ring (53);
a flange at one end of the first air ring sealing pipe (322) is connected with a flange of the discharge hopper (2), and the first static sealing gasket (41) is arranged between the flange at one end of the first air ring sealing pipe (322) and the flange of the discharge hopper (2); the flange at the other end of the first air ring sealing pipe (322) is connected with the flange at one end of the second air ring sealing pipe (332), and the second static sealing gasket (42) is arranged between the flange at the other end of the first air ring sealing pipe (322) and the flange at one end of the second air ring sealing pipe (332); the other end flange of the second air ring sealing pipe (332) is fixedly connected with the guide wheel (51) through the guide wheel pin shaft (52), and the other end flange of the second air ring sealing pipe (332) is sequentially arranged in the middle of the guide wheel (51) to form the third static sealing gasket (43) and the pressing ring (53).
2. The rotary furnace dynamic and static combined sealing device according to claim 1, characterized in that: the static sealing structure (4) is L-shaped, and the lower part of the L-shaped is tightly attached to the outer side of the rotary furnace tube (1).
3. The rotary kiln dynamic-static combined sealing device according to claim 1, characterized in that: furnace tube guide structure (5) are 8 groups at least, be provided with on clamping ring (53) with the same assembly through-hole of furnace tube guide structure (5) quantity, assembly through-hole evenly distributed is in on clamping ring (53).
4. The rotary kiln dynamic-static combined sealing device according to claim 1, characterized in that: the static sealing structure (4) is made of high-temperature-resistant silicon rubber or flexible graphite materials.
5. The rotary kiln dynamic-static combined sealing device according to claim 1, characterized in that: the gas source of the dynamic gas ring sealing structure (3) is one or a combination of nitrogen, oxygen and inert gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210275441.7A CN114518030A (en) | 2022-03-21 | 2022-03-21 | Rotary furnace dynamic and static combined sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210275441.7A CN114518030A (en) | 2022-03-21 | 2022-03-21 | Rotary furnace dynamic and static combined sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114518030A true CN114518030A (en) | 2022-05-20 |
Family
ID=81600383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210275441.7A Pending CN114518030A (en) | 2022-03-21 | 2022-03-21 | Rotary furnace dynamic and static combined sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114518030A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001304762A (en) * | 2000-04-21 | 2001-10-31 | Meidensha Corp | Rotary heat-treatment equipment |
| US20020182556A1 (en) * | 1999-12-06 | 2002-12-05 | Yvan Baudry | Sealed enclosure for a chamber for continuosly treating a continuos length of a thin product |
| JP2006078149A (en) * | 2004-09-06 | 2006-03-23 | Tanabe:Kk | Sealing structure of rotary kiln |
| RU2283996C1 (en) * | 2005-03-04 | 2006-09-20 | Игорь Феликсович Шлегель | Sealing device for rotating furnace |
| CN202203413U (en) * | 2011-06-22 | 2012-04-25 | 中国林业科学研究院林产化学工业研究所 | Sealing device for biomass pyrolysis rotary furnace |
| CN209386779U (en) * | 2018-11-06 | 2019-09-13 | 金川集团股份有限公司 | A kind of seal of rotary kiln device |
| CN209877613U (en) * | 2018-08-06 | 2019-12-31 | 金川集团股份有限公司 | Dynamic sealing device of rotary kiln |
| CN213454884U (en) * | 2020-10-29 | 2021-06-15 | 陕西易福斯热工科技有限公司 | Self-adjusting multistage combined sealing structure for rotary kiln |
| CN217154935U (en) * | 2022-03-21 | 2022-08-09 | 咸阳科源陶瓷有限公司 | Rotary furnace sound convolution sealing device |
-
2022
- 2022-03-21 CN CN202210275441.7A patent/CN114518030A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020182556A1 (en) * | 1999-12-06 | 2002-12-05 | Yvan Baudry | Sealed enclosure for a chamber for continuosly treating a continuos length of a thin product |
| JP2001304762A (en) * | 2000-04-21 | 2001-10-31 | Meidensha Corp | Rotary heat-treatment equipment |
| JP2006078149A (en) * | 2004-09-06 | 2006-03-23 | Tanabe:Kk | Sealing structure of rotary kiln |
| RU2283996C1 (en) * | 2005-03-04 | 2006-09-20 | Игорь Феликсович Шлегель | Sealing device for rotating furnace |
| CN202203413U (en) * | 2011-06-22 | 2012-04-25 | 中国林业科学研究院林产化学工业研究所 | Sealing device for biomass pyrolysis rotary furnace |
| CN209877613U (en) * | 2018-08-06 | 2019-12-31 | 金川集团股份有限公司 | Dynamic sealing device of rotary kiln |
| CN209386779U (en) * | 2018-11-06 | 2019-09-13 | 金川集团股份有限公司 | A kind of seal of rotary kiln device |
| CN213454884U (en) * | 2020-10-29 | 2021-06-15 | 陕西易福斯热工科技有限公司 | Self-adjusting multistage combined sealing structure for rotary kiln |
| CN217154935U (en) * | 2022-03-21 | 2022-08-09 | 咸阳科源陶瓷有限公司 | Rotary furnace sound convolution sealing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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