CN219995862U - Rotary kiln socket sealing structure and roasting and cooling integrated kiln - Google Patents
Rotary kiln socket sealing structure and roasting and cooling integrated kiln Download PDFInfo
- Publication number
- CN219995862U CN219995862U CN202321620558.0U CN202321620558U CN219995862U CN 219995862 U CN219995862 U CN 219995862U CN 202321620558 U CN202321620558 U CN 202321620558U CN 219995862 U CN219995862 U CN 219995862U
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- China
- Prior art keywords
- kiln
- packing
- cooling
- stuffing
- roasting
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- 238000001816 cooling Methods 0.000 title claims abstract description 88
- 238000007789 sealing Methods 0.000 title claims abstract description 51
- 238000012856 packing Methods 0.000 claims description 115
- 210000004907 gland Anatomy 0.000 claims description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000001354 calcination Methods 0.000 claims 3
- 239000011800 void material Substances 0.000 claims 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 6
- 239000010405 anode material Substances 0.000 abstract description 6
- 229910052744 lithium Inorganic materials 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 18
- 230000009191 jumping Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003837 high-temperature calcination Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
Landscapes
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model provides a rotary kiln socket sealing structure and a roasting and cooling integrated kiln, and relates to the field of lithium battery anode material production. Two ends of the stuffing box are respectively processed into two stuffing chambers with different diameters, so that the runout of sealing surfaces on the roasting kiln and the cooling kiln are respectively applied to the respective stuffing.
Description
Technical Field
The utility model relates to the field of lithium battery anode material production, in particular to a rotary kiln socket sealing structure and a roasting and cooling integrated kiln.
Background
In the field of lithium battery anode material production, the lithium battery anode material enters a cooling kiln for cooling after being calcined in a high-temperature roasting kiln. In order to simplify the process flow and avoid the addition of leakage points due to the introduction of conveying equipment, the roasting kiln and the cooling kiln are usually designed into socket structures, i.e. the roasting kiln with small diameter is directly inserted into the back cooling kiln with large diameter. The conventional sealing structure for the socket structure is shown in fig. 2, the stuffing box is fixed on the cooling kiln, the stuffing is filled in the stuffing box, the stuffing is deformed to a certain extent by the compression of the stuffing gland, and the gap between the roasting kiln and the inner wall of the stuffing box is filled, so that the sealing effect is achieved. However, the existing structure has the following problems:
(1) The jumping of the two rotary bodies of the roasting kiln and the cooling kiln are overlapped with each other at the stuffing box, or a larger material leakage space is generated between the stuffing and the rotary bodies, and the deformation of the stuffing after the stuffing is compressed cannot compensate the material leakage space, so that the sealing is invalid, and on-site material leakage is generated; or the packing is pressed too tightly, so that the consumed power is increased, the phenomena of heating and abrasion are generated, and even the phenomenon of axle locking is possible to be generated when the packing is serious;
(2) The air sealing device cannot be introduced; in the high-temperature calcination process of some lithium battery anode materials, a certain gas atmosphere, such as oxygen or nitrogen, needs to be maintained in the rotary kiln; the existing sealing structure is a rotary part, so that the gas required in the kiln cannot be introduced, and the atmosphere of the gas in the kiln can be damaged due to the fact that negative pressure in the kiln is introduced to air, so that the quality of products is affected.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model aims to provide the rotary kiln socket sealing structure and the roasting and cooling integrated kiln, so that the jumping of sealing surfaces on the roasting kiln and the cooling kiln are respectively applied to respective fillers, the sealing surfaces are not affected by each other, air pressure sealing can be introduced, the gas atmosphere in the rotary kiln is ensured, and the quality of a finished product is ensured.
In order to achieve the above object, according to a first aspect of the present utility model, there is provided a rotary kiln socket seal structure, including a kiln cylinder, a cooling kiln cylinder, a packing box, a kiln packing gland and a cooling kiln packing gland, wherein the kiln cylinder and the cooling kiln cylinder are in socket connection, a packing box is arranged at a connection position, a first packing chamber is arranged at one end of the packing box, a second packing chamber with a diameter larger than that of the first packing chamber is arranged at the other end of the packing box, packing is filled in the first packing chamber and the second packing chamber, kiln packing is compressed between the packing box and the kiln cylinder through the kiln packing gland, and kiln packing is compressed between the packing box and the kiln cylinder through the cooling kiln packing gland.
Preferably, the diameter of the cooling kiln cylinder is larger than that of the roasting kiln cylinder, the stuffing box is arranged outside the roasting kiln cylinder, and the roasting kiln stuffing in the first stuffing cavity is compressed between the roasting kiln cylinder and the stuffing box through the roasting kiln stuffing gland; the cooling kiln cylinder body stretches into the second packing cavity, and the cooling kiln packing in the second packing cavity is compressed by the cooling kiln packing gland.
Preferably, the device further comprises a base, and the stuffing box is arranged on the base through a stuffing box supporting seat.
Preferably, the stuffing box is further provided with a gas access pipe, one end of the gas access pipe is communicated with the outside, and the other end of the gas access pipe is communicated with the second stuffing chamber.
Preferably, the inner wall of the stuffing box is provided with a bulge between the first stuffing chamber and the second stuffing chamber, a gap is arranged between the bulge and the stuffing in the second stuffing chamber, and the other end of the gas access pipe is communicated with the gap.
Preferably, the base is also provided with a roasting kiln hearth, and the roasting kiln cylinder is arranged in the roasting kiln hearth.
Preferably, the base is further provided with a cooling kiln water tank, and the cooling kiln cylinder is arranged in the cooling kiln water tank.
Preferably, the roasting kiln packing gland and the packing box are connected through bolts.
Preferably, the cooling kiln packing gland and the packing box are connected through bolts.
According to a second aspect of the utility model, a roasting and cooling integrated kiln is provided, comprising a roasting kiln and a cooling kiln, wherein the space between the roasting kiln and the cooling kiln is sealed by adopting the rotary kiln socket sealing structure.
Compared with the prior art, the utility model has the beneficial effects that:
1. two packing chambers with different diameters are respectively processed at two ends of the packing box, the packing chambers with small diameters are provided with the roasting kiln packing and the roasting kiln packing gland, and the packing chambers with large diameters are provided with the cooling kiln packing and the cooling kiln packing gland, so that the jumping of sealing surfaces on the roasting kiln and the cooling kiln are respectively applied to the respective packing without mutual influence, the phenomenon that the clearance between the roasting kiln and the inner wall of the packing box is too large or the packing is too tightly pressed by the roasting kiln and the inner wall of the packing box due to the jumping superposition of sealing surfaces of the two kilns is avoided, and the occurrence probability of sealing leakage failure or sealing heating even axial locking phenomenon is reduced.
2. The packing box is fixed on the base and is arranged in a static way, so that air pressure sealing can be introduced, the air pressure sealing ensures the gas atmosphere in the rotary kiln, and the packing sealing and the air pressure sealing are combined for use, so that the sealing effect is enhanced.
Additional aspects of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic view of a rotary kiln socket seal structure according to the present utility model;
fig. 2 is a conventional sealing structure in the prior art.
Wherein, 1, a base, 2, a roasting kiln chamber, 3, a roasting kiln cylinder, 4, a roasting kiln packing gland, 5, a roasting kiln packing, 6, a packing box, 7, a gas access pipe, 8, a cooling kiln packing, 9, a cooling kiln packing gland, 10, a cooling kiln water tank, 11, a cooling kiln cylinder, 12, a packing box supporting seat, A, a roasting kiln, B, a cooling kiln, C, a packing box, D, a packing gland, E and packing.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
The utility model provides a rotary kiln socket sealing structure and a roasting and cooling integrated kiln, so that the jumping of sealing surfaces on the roasting kiln and the cooling kiln are respectively applied to respective fillers, the sealing surfaces are not affected by each other, and air pressure sealing can be introduced, so that the gas atmosphere in the rotary kiln is ensured, and the quality of finished products is ensured.
Example 1
As shown in fig. 1, the rotary kiln socket sealing structure comprises a roasting kiln cylinder body 3, a cooling kiln cylinder body 11, a packing box 6, a roasting kiln packing gland 4 and a cooling kiln packing gland 9, wherein the roasting kiln cylinder body 3 and the cooling kiln cylinder body 11 are in socket connection, the packing box 6 is arranged at the joint, a first packing chamber is arranged at one end of the packing box 6, a second packing chamber with the diameter larger than that of the first packing chamber is arranged at the other end of the packing box 6, packing is filled in the first packing chamber and the second packing chamber, the roasting kiln packing 5 is compressed between the packing box 6 and the roasting kiln cylinder body 3 through the roasting kiln packing gland 4, and the cooling kiln packing 8 is compressed between the packing box 6 and the cooling kiln cylinder body 11 through the cooling kiln packing gland.
As noted in the background art, the conventional sealing structure for socket structure shown in fig. 2 is to fix the stuffing box C on the cooling kiln B, and compress the stuffing E in the stuffing box C by the stuffing gland D to seal the baking kiln a and the cooling kiln B, but the structure can make the beating of the baking kiln and the cooling kiln overlap each other at the stuffing box, and the stuffing box rotates together with the cooling kiln, so that the air sealing device cannot be introduced.
Based on the above, the technical concept of the embodiment is that two ends of the stuffing box are respectively processed into two stuffing chambers with different diameters, one end is used for installing the roasting kiln stuffing and the roasting kiln stuffing gland, and the other end is used for installing the cooling kiln stuffing and the cooling kiln stuffing gland, so that the sealing surface runout of the roasting kiln and the cooling kiln can be respectively absorbed by different stuffing, and the occurrence probability of sealing leakage failure or sealing heating even seizing phenomenon is reduced.
Specifically, since the material enters the cooling kiln through the kiln, the diameter of the cooling kiln cylinder 11 is larger than the diameter of the kiln cylinder 3, i.e., the kiln cylinder 3 is inserted into the cooling kiln cylinder 11. At this time, the first packing chamber with a smaller diameter is filled with kiln packing 5, and the second packing chamber with a larger diameter is filled with kiln packing 8.
The packing box 6 is arranged on the outer side of the roasting kiln cylinder 3, the roasting kiln packing 5 in the first packing cavity is compressed between the roasting kiln cylinder 3 and the packing box 6 through the roasting kiln packing gland 4, the cooling kiln cylinder 11 stretches into the second packing cavity, and the cooling kiln packing 8 in the second packing cavity is compressed through the cooling kiln packing gland 9.
The roasting kiln packing gland and the cooling kiln packing gland are fixedly connected with the packing box by bolts.
In addition, considering that the existing structure cannot be introduced into the air sealing device, in this embodiment, the packing box 6 is statically placed on the base 1 through the packing box supporting seat 12, the gas access pipe 4 can be installed on the packing box 6, the gas required by the rotary kiln is introduced through the gas access pipe 4, and an air pressure seal is formed in the air sealing box chamber formed by the socket joint of the roasting kiln cylinder 3 and the cooling kiln cylinder 11, so that the material is prevented from leaking and a certain amount of gas is blown into the rotary kiln.
Specifically, the base 1 is an integral base of the device and is used for bearing the stuffing box 6, the roasting kiln and the cooling kiln, the stuffing box 6 is arranged on the base 1 through the stuffing box supporting seat 12, the roasting kiln hearth 2 for bearing the roasting kiln cylinder 3 is arranged on the base 1, and the cooling kiln water tank 10 for realizing the cooling function of the cooling kiln is also arranged on the base 1.
The stuffing box 6 is provided with a gas access pipe 4, one end of the gas access pipe 4 is communicated with the outside, and the other end of the gas access pipe is communicated with the second stuffing chamber.
The inner wall of the packing box 6 is provided with a bulge between the first packing chamber and the second packing chamber, a gap is formed between the bulge and the packing in the second packing chamber, the gap is an air seal box chamber formed by socket joint of the roasting kiln cylinder 3 and the cooling kiln cylinder 11, and the other end of the air access pipe 4 is communicated with the air seal box chamber, so that air pressure seal is formed, the air pressure seal is combined with the packing seal to form combined seal, and the sealing effect is enhanced.
Compared with the prior art, the rotary kiln socket sealing structure provided by the embodiment is improved, two stuffing chambers with different diameters are respectively processed at two ends of the stuffing box, the small-diameter stuffing chambers are provided with the roasting kiln stuffing and the roasting kiln stuffing gland, and the large-diameter stuffing chambers are provided with the cooling kiln stuffing and the cooling kiln stuffing gland, so that the jumping of sealing surfaces on the roasting kiln and the cooling kiln are respectively applied to the respective stuffing, the mutual influence is avoided, the phenomenon that the clearance between the roasting kiln and the inner wall of the stuffing box is too large or the stuffing is too tightly pressed by the roasting kiln and the inner wall of the stuffing box due to the jumping superposition of sealing surfaces of the two kilns is avoided, and the occurrence probability of sealing leakage failure or sealing heating even axle holding phenomenon is reduced; in addition, the static stuffing box can introduce air pressure sealing, the air pressure sealing ensures the air atmosphere in the rotary kiln, and the stuffing sealing and the air pressure sealing are combined for use, so that the sealing effect is enhanced.
Example two
The embodiment further provides a roasting and cooling integrated kiln based on the first embodiment, which comprises a roasting kiln and a cooling kiln, wherein the roasting kiln and the cooling kiln are sealed by adopting the rotary kiln socket sealing structure provided by the first embodiment, so that the integrated roasting and cooling of the anode material of the lithium battery can be realized.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. The rotary kiln socket sealing structure is characterized by comprising a roasting kiln cylinder body, a cooling kiln cylinder body, a packing box, a roasting kiln packing gland and a cooling kiln packing gland, wherein the roasting kiln cylinder body is in socket connection with the cooling kiln cylinder body, the packing box is arranged at the joint, a first packing cavity is arranged at one end of the packing box, a second packing cavity with the diameter larger than that of the first packing cavity is arranged at the other end of the packing box, packing is filled in the first packing cavity and the second packing cavity, the packing box and the roasting kiln cylinder body are tightly pressed by the roasting kiln packing gland, and the cooling kiln packing is tightly pressed by the cooling kiln packing gland between the packing box and the cooling kiln cylinder body.
2. The rotary kiln socket seal structure as claimed in claim 1, wherein the diameter of the cooling kiln cylinder is larger than that of the roasting kiln cylinder, the stuffing box is arranged outside the roasting kiln cylinder, and roasting kiln stuffing in the first stuffing chamber is compressed between the roasting kiln cylinder and the stuffing box through the roasting kiln stuffing gland; the cooling kiln cylinder body stretches into the second packing cavity, and the cooling kiln packing in the second packing cavity is compressed by the cooling kiln packing gland.
3. The rotary kiln socket seal structure as claimed in claim 1, further comprising a base, wherein said stuffing box is disposed on said base by a stuffing box support.
4. A rotary kiln socket seal structure as claimed in claim 3 wherein said stuffing box is further provided with a gas inlet tube, one end of said gas inlet tube being in communication with the outside and the other end being in communication with said second stuffing chamber.
5. A rotary kiln socket seal as claimed in claim 4 wherein said stuffing box inner wall has a projection between a first stuffing chamber and a second stuffing chamber, said projection having a void between the stuffing in said second stuffing chamber, the other end of said gas inlet tube communicating with said void.
6. A rotary kiln socket seal structure as claimed in claim 3 wherein said base is further provided with a kiln chamber, said kiln cylinder being disposed within said kiln chamber.
7. A rotary kiln socket seal structure as claimed in claim 3 wherein said base is further provided with a cooling kiln water tank, said cooling kiln cylinder being disposed within said cooling kiln water tank.
8. A rotary kiln socket seal structure as claimed in any one of claims 1 to 7 wherein said kiln gland and said gland are bolted.
9. A rotary kiln socket seal structure as claimed in any one of claims 1 to 7 wherein said cooling kiln gland and said gland are bolted.
10. A calcination cooling integrated kiln, comprising a calcination kiln and a cooling kiln, wherein the calcination kiln and the cooling kiln are sealed by adopting the rotary kiln socket sealing structure as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321620558.0U CN219995862U (en) | 2023-06-25 | 2023-06-25 | Rotary kiln socket sealing structure and roasting and cooling integrated kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321620558.0U CN219995862U (en) | 2023-06-25 | 2023-06-25 | Rotary kiln socket sealing structure and roasting and cooling integrated kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219995862U true CN219995862U (en) | 2023-11-10 |
Family
ID=88619495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321620558.0U Active CN219995862U (en) | 2023-06-25 | 2023-06-25 | Rotary kiln socket sealing structure and roasting and cooling integrated kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219995862U (en) |
-
2023
- 2023-06-25 CN CN202321620558.0U patent/CN219995862U/en active Active
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