CN117128754A - Roller kiln reinforced cooling structure - Google Patents
Roller kiln reinforced cooling structure Download PDFInfo
- Publication number
- CN117128754A CN117128754A CN202311167237.4A CN202311167237A CN117128754A CN 117128754 A CN117128754 A CN 117128754A CN 202311167237 A CN202311167237 A CN 202311167237A CN 117128754 A CN117128754 A CN 117128754A
- Authority
- CN
- China
- Prior art keywords
- cooling
- gas
- roller
- section
- transition cylinder
- Prior art date
- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 70
- 230000007704 transition Effects 0.000 claims abstract description 26
- 239000007789 gas Substances 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 20
- 239000000112 cooling gas Substances 0.000 claims abstract description 16
- 238000005507 spraying Methods 0.000 claims abstract description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 4
- 238000005057 refrigeration Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000001965 increasing effect Effects 0.000 abstract description 4
- 230000002708 enhancing effect Effects 0.000 abstract description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/12—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
-
- 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
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/12—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
- F27B2009/124—Cooling
- F27B2009/126—Cooling involving the circulation of cooling gases, e.g. air
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
Abstract
The invention relates to the field of kiln equipment, in particular to a roller kiln reinforced cooling structure, wherein the roller kiln comprises a cooling section, a conveying roller is arranged in the cooling section, a plurality of crucibles for containing materials are placed on the conveying roller, the reinforced cooling structure comprises a transition cylinder body which is additionally arranged in the cooling section, a gas spraying pipe is arranged in the cooling section which is positioned behind the transition cylinder body and is used for spraying low-temperature gas to the crucibles, at least two sections of differential rollers are arranged in the transition cylinder body, and each section of differential rollers are respectively driven by an independent motor, so that the crucibles passing through the transition cylinder body are equidistantly distributed on the conveying roller at intervals at the rear section. After the material is sintered at high temperature and is normally cooled through the front section of the cooling area, a transition cylinder body is added on the premise of meeting the production process beat, the material is separated front and back by a certain distance, the heat radiating area and space of the material are increased, cooling gas is pumped in, the surface of the crucible is directly purged, and heat is quickly taken away, so that the purpose of enhancing the cooling effect is achieved.
Description
Technical Field
The invention relates to the field of kiln equipment, in particular to a roller kiln reinforced cooling structure.
Background
The sintering process of the anode and cathode materials in the lithium battery industry basically adopts a high-temperature roller kiln continuous production mode, and according to the process requirements, the materials are required to be cooled below a certain temperature after being sintered at a high temperature so as to ensure the qualified quality of the products.
Roller kilns generally cool high temperature sintered materials by water cooling, direct air cooling, indirect air cooling and the like. As shown in fig. 1, a conveying roller 2 'in the conventional roller kiln is provided with a plurality of crucibles 3' for holding materials, and each crucible is sintered by a high temperature section, conveyed to a cooling section 1 'for cooling, and finally reaches an outlet replacement chamber 4' for discharging. In the structure, although the whole production process is continuous, in many cases, the product can not reach the temperature required by the process after exiting the kiln due to the reasons of short process cooling time, poor material heat dissipation, low cooling efficiency and the like, and the product quality is affected to a certain extent, and even the product is disqualified.
Therefore, under the condition that the production process and the material characteristics cannot be adjusted, the roller kiln equipment needs to strengthen the cooling capacity, improve the cooling effect and ensure the product quality.
Disclosure of Invention
Based on the problems, the invention aims to provide a roller kiln reinforced cooling structure which can enhance the cooling capacity of the existing roller kiln equipment.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a roller kiln strengthens cooling structure, roller kiln includes the cooling section, be provided with the conveying roller in the cooling section, the crucible of a plurality of splendid attire material has been placed on the conveying roller, wherein, strengthen cooling structure including increasing the transition cylinder body of locating in the cooling section, be provided with the gas shower in the cooling section that is arranged in transition cylinder body rear, the gas shower is used for spraying low temperature gas to the crucible, be provided with two at least sections differential rollers in the transition cylinder body, each section differential roller is driven by independent motor respectively for the crucible through the transition cylinder body is equidistant interval arrangement on the back end conveying roller.
Optionally, a cooling gas driving pipe is arranged on the outer side of the cooling section, and a plurality of branch pipes which are communicated with the gas spraying pipes one by one are arranged on the cooling gas driving pipe.
Optionally, a plurality of gas spargers are distributed above and below the crucible along the length of the cooling section.
Optionally, the air inlet end of the cooling air driving pipe is provided with an evaporation refrigeration device for cooling air.
Optionally, the inlet gas for the cooling gas to enter the tube is nitrogen.
Optionally, the temperature in the roller kiln at the transition cylinder is less than 150 ℃.
Optionally, a normally open type overhaul gate is arranged at the inlet of the transition cylinder body, and the normally open type overhaul gate is closed when equipment fails or overhauls and maintains.
In summary, compared with the prior art, the roller kiln reinforcing and cooling structure has the beneficial effects that after materials are sintered at high temperature and are normally cooled through the front section of the cooling area, the transition cylinder body is added to separate the materials front and back by a certain distance on the premise of meeting the production process beats, the heat radiating area and space of the materials are increased, meanwhile, cooling gas is injected, the surface of the crucible is directly purged, and heat is quickly taken away, so that the purpose of reinforcing the cooling effect is achieved.
Drawings
FIG. 1 is a schematic view of a conventional roller kiln;
fig. 2 is a schematic diagram of a roller kiln reinforcing and cooling structure according to an embodiment of the invention.
In the figure:
1', a cooling section; 2', conveying rollers; 3', a crucible; 4', an outlet replacement chamber;
1. a cooling section; 2. a conveying roller; 3. a crucible; 4. a transition cylinder; 5. differential roller; 6. a motor; 7. a gas shower; 8. cooling gas is injected into the pipe; 9. a branch pipe; 10. an evaporation refrigeration device; 11. and a normally open type overhaul gate.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar parts throughout, or parts having like or similar functions. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, mechanically connected, electrically connected, indirectly connected through an intermediary, or may be in communication with each other between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present invention, unless explicitly stated and limited otherwise, a first feature "above" or "below" a second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature not being in direct contact but being in contact by another feature therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature. The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
Referring to fig. 2, the present preferred embodiment provides a roller kiln reinforced cooling structure, which is used for a high temperature roller kiln for drying, sintering or similar processes in the lithium battery industry, the roller kiln generally comprises a heating section, a heat preservation section and a cooling section 1, each section is provided with a conveying roller 2, a plurality of crucibles 3 for containing materials are placed on the conveying rollers 2, after the materials (the crucibles 3) are sintered at high temperature, the temperature in the furnace can be reduced to below 150 ℃ by means of air cooling, water cooling and the like in the front end area of the cooling section 1, and on the basis, the rear end area of the cooling section 1 is further optimized, so that the purpose of reinforcing the cooling effect is achieved.
Specifically, this strengthen cooling structure includes the transition cylinder body 4 that increases to locate in the cooling zone 1, the joining of transition cylinder body 4 does not influence original production process beat, be provided with two section at least differential rollers 5 in the transition cylinder body 4, each section differential roller 5 is driven by independent motor 6 respectively, because originally crucible 3 is immediately between the back and forth, can change the conveying speed of crucible 3 through differential roller 5 for crucible 3 through transition cylinder body 4 is equidistant interval arrangement on back end conveying roller 2, thereby increase the heat radiating area of crucible 3, be favorable to improving the cooling effect.
Wherein, a gas spray pipe 7 is arranged in the cooling section 1 behind the transition cylinder 4, and the gas spray pipe 7 is used for spraying low-temperature gas to the crucible 3, thereby enhancing the cooling effect.
Specifically, the outside of the cooling section 1 is provided with a cooling gas driving pipe 8, the cooling gas driving pipe 8 is provided with a plurality of branch pipes 9 which are communicated with the gas spraying pipes 7 one by one, and the plurality of gas spraying pipes 7 are distributed above and below the crucible 3 along the length direction of the cooling section 1, so that uniform cooling is realized.
Preferably, the inlet gas of the cooling gas inlet pipe 8 is nitrogen gas with high safety.
Further, an evaporation refrigeration device 10 for cooling the gas is arranged at the air inlet end of the cooling gas inlet pipe 8, and the temperature of the gas when the gas is introduced is reduced by precooling the inlet air, so that the heat exchange efficiency is improved.
Optionally, a normally open type overhaul gate 11 is arranged at the inlet of the transition cylinder body 4, and the normally open type overhaul gate 11 is closed when equipment is in fault or overhauled and maintained so as to ensure the requirement of the atmosphere of materials in the furnace.
In conclusion, after the material is sintered at high temperature and is normally cooled through the front section of the cooling area, the transition cylinder body is added on the premise of meeting the production process beat, the material is separated front and back by a certain distance, the heat radiating area and space of the material are increased, cooling gas is pumped in, the surface of the crucible is directly purged, and heat is quickly taken away, so that the purpose of enhancing the cooling effect is achieved.
The above embodiments merely illustrate the basic principles and features of the present invention, and the present invention is not limited to the above embodiments, but can be variously changed and modified without departing from the spirit and scope of the present invention, which is within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a roller kiln strengthens cooling structure, roller kiln includes cooling section (1), be provided with conveying roller (2) in cooling section (1), crucible (3) of a plurality of splendid attire material have been placed on conveying roller (2), a serial communication port, strengthen cooling structure including increase locate transition cylinder body (4) in cooling section (1), be located be provided with gas shower (7) in cooling section (1) at transition cylinder body (4) rear, gas shower (7) are used for spraying low temperature gas to crucible (3), be provided with two at least sections differential roller (5) in transition cylinder body (4), each section differential roller (5) are driven by individual motor (6) respectively for the process crucible (3) of transition cylinder body (4) are equidistant interval arrangement on back end conveying roller (2).
2. The roller kiln reinforcing and cooling structure according to claim 1, characterized in that the outer side of the cooling section (1) is provided with a cooling gas driving pipe (8), and the cooling gas driving pipe (8) is provided with a plurality of branch pipes (9) which are communicated with the gas spraying pipes (7) one by one.
3. Roller kiln reinforcing cooling structure according to claim 2, characterized in that a plurality of said gas shower pipes (7) are distributed above and below the crucible (3) along the length of the cooling section (1).
4. Roller kiln reinforcing cooling structure according to claim 2, characterized in that the inlet end of the cooling gas driving pipe (8) is provided with an evaporation refrigeration device (10) for cooling gas.
5. Roller kiln reinforcing cooling structure according to claim 4, characterized in that the inlet gas of the cooling gas inlet pipe (8) is nitrogen.
6. Roller kiln reinforcing cooling structure according to claim 1, characterized in that the temperature in the roller kiln at the transition cylinder (4) is less than 150 ℃.
7. Roller kiln reinforcing cooling structure according to claim 1, characterized in that the inlet of the transition cylinder (4) is provided with a normally open access gate (11), which normally open access gate (11) is closed in case of equipment failure or in case of service maintenance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311167237.4A CN117128754A (en) | 2023-09-11 | 2023-09-11 | Roller kiln reinforced cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311167237.4A CN117128754A (en) | 2023-09-11 | 2023-09-11 | Roller kiln reinforced cooling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117128754A true CN117128754A (en) | 2023-11-28 |
Family
ID=88856353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311167237.4A Pending CN117128754A (en) | 2023-09-11 | 2023-09-11 | Roller kiln reinforced cooling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117128754A (en) |
-
2023
- 2023-09-11 CN CN202311167237.4A patent/CN117128754A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: No. 1398 Qinan Road, Yangcheng Science and Technology Industrial Park, Xiangcheng District, Suzhou City, Jiangsu Province, China Applicant after: Suzhou Cohen New Energy Technology Co.,Ltd. Address before: 215138 buildings 3 and 4, 289 Fengyang Road, Dalou village, Yangchenghu Town, Xiangcheng District, Suzhou City, Jiangsu Province Applicant before: SUZHOU KEER POEN MACHINERY TECHNOLOGY Co.,Ltd. Country or region before: China |