CN204208767U - A kind of hothouse of lithium battery electrode plate coating machine - Google Patents
A kind of hothouse of lithium battery electrode plate coating machine Download PDFInfo
- Publication number
- CN204208767U CN204208767U CN201420547332.7U CN201420547332U CN204208767U CN 204208767 U CN204208767 U CN 204208767U CN 201420547332 U CN201420547332 U CN 201420547332U CN 204208767 U CN204208767 U CN 204208767U
- Authority
- CN
- China
- Prior art keywords
- electrode slice
- blast pipe
- housing
- air
- buffering area
- 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.)
- Expired - Lifetime
Links
- 238000000576 coating method Methods 0.000 title claims abstract description 55
- 239000011248 coating agent Substances 0.000 title claims abstract description 53
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 15
- 230000003139 buffering effect Effects 0.000 claims abstract description 37
- 238000007664 blowing Methods 0.000 claims description 25
- 238000001035 drying Methods 0.000 abstract description 22
- 238000010438 heat treatment Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model discloses a kind of hothouse of lithium battery electrode plate coating machine, comprise housing, electrode slice and conveying roller, electrode slice is carried by conveying roller, housing is provided with blast pipe, enclosure interior is provided with heater, and housing is positioned at above the coating on electrode slice, and housing is divided into the first dry section and the second dry section, first dry section is positioned at housing electrode slice approach section, and the second dry section is positioned at housing electrode slice and goes out section; First dry section comprises the first blast pipe and the first buffering area; Second dry section comprises the second blast pipe and the second buffering area.The purpose of this utility model is intended to provide a kind of drying efficiency high, effectively can eliminate the laminar condition in boundary layer in drying, and can not cause the hothouse of the lithium battery electrode plate coating machine of disadvantage to coating.
Description
Technical field
The utility model belongs to lithium battery technical field of processing equipment, specifically relates to a kind of hothouse of lithium battery electrode plate coating machine.
Background technology
Lithium battery electrode plate after coating, need to carry out drying to the electrode slice of coating, the object of dry run is evaporated in dried coating by solvent molecule, and drier, in the dry run of electrode slice, must make the coating uniformity on electrode slice remain unchanged; The requirement of coating process determines the parameter of drier.
Existing drier is mostly impingement dryer, and namely the hot-air of drier heating clamber directly blows to the desiccated surface of electrode slice by blower fan, and this drying mode air velocity is soft, can not damage coating surface, can be good at the uniformity keeping coating.But in this drying mode, the place that the coating surface of electrode slice contacts with hot blast and boundary layer are laminar condition.Drier provides enough heats makes solvent move to coating surface, in this process, boundary layer becomes laminar condition very soon, and evaporation stopped, even if input energy again, the heating-up temperature of coating is raised, but it is less to the desiccation of coating, coating shortened in the drying time of constant rate drying period, and rate of drying reduces, and caused staff to need to regulate the output speed of live-roller, keep dry effect, and drying efficiency is lower.In addition, existing drier can install the blowing mouth of different designs additional at the outlet air end of drier, to reach the laminar condition eliminating boundary layer, but, such blowing mouth is when out hot blast flow velocity is excessive, the disadvantage of band shape or plaque-like can be formed at coating surface, bad impact is caused on the product quality of electrode slice.
Utility model content
For above-mentioned weak point of the prior art, the purpose of this utility model is intended to provide a kind of drying efficiency high, effectively can eliminate the laminar condition in boundary layer in drying, can not cause the hothouse of the lithium battery electrode plate coating machine of disadvantage to coating.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions: a kind of hothouse of lithium battery electrode plate coating machine, it comprises housing, electrode slice and conveying roller, electrode slice is carried by conveying roller, housing is provided with air inlet, enclosure interior is provided with heater, housing is positioned at above the coating on electrode slice, housing is divided into the first dry section and the second dry section, first dry section is positioned at housing electrode slice approach section, and the second dry section is positioned at housing electrode slice and goes out section, first dry section comprises the first blast pipe and the first buffering area, the air intake of the first blast pipe is connected with the outlet air end of air inlet, the outlet air end of the first blast pipe is connected with the air intake of the first buffering area, be provided with heater first buffering area in first blast pipe to be provided with towards electrode slice side and to add warm-air pipe, the coating being positioned at the first dry section is in dry transition stage, this stage to the air quantity of hot blast and temperature requirement less, only need once to heat cold wind, second dry section comprises the second blast pipe and the second buffering area, the blast pipe of the second blast pipe is connected with the first buffering area, the outlet air end of the second blast pipe is connected with the second buffering area, heater is provided with in second blast pipe, second buffering area is provided with blowing mouth towards electrode slice side, the Main Function of blowing mouth is to being in constant rate drying period and falling rate drying period, all there are higher requirement in these two stages to the temperature of hot blast and air quantity, in the second blast pipe, heater is set, hot blast temperature can meet the dry requirement of the second dry section floating coat, the setting of the first buffering area and the second buffering area, it is the hot blast air quantity in order to ensure the second dry section.At work, need the cooperation of the first buffering area and the second buffering area, namely when the second dry section hot blast air output is excessive, do not need the intake adjusting air inlet, enter the hot blast air quantity that the first buffering area heats for the first time constant, adjust the dividing plate of the second blast pipe air intake, the hot blast air quantity entering the second blast pipe is reduced; When second dry section hot blast air quantity is too small, can regulates the intake of air inlet, dividing plate is not regulated, can also regulate dividing plate, motionless to the intake of air inlet.
Preferably, adding warm-air pipe is U-shaped structure, and electrode slice, through the U-lag adding warm-air pipe, adds warm-air pipe and electrode slice side is provided with exhaust vent, and exhaust vent is that certain rule is arranged in and adds on warm-air pipe.Arranging of exhaust vent can guarantee that exhaust vent is when air-out, relative air-flow is cancelled out each other, do not flow at the hot blast of coating surface, but immobilising hot blast can carry out drying to the coating of dry transition stage, coating so just can be avoided to occur dry disadvantage.
Preferably, the air intake of the second blast pipe and the second blast pipe of the first buffering area junction are provided with dividing plate.The Main Function of dividing plate is the hot blast air quantity that adjustment first buffering area enters the second blast pipe, also have an effect to be prevent the hot blast in the first buffering area from excessively entering the second blast pipe, cause the air output adding warm-air pipe can not meet the drying of the coating being in dry transition stage.
Preferably, the main TV structure of blowing mouth is pyramidal structure, and namely the air intake internal diameter of blowing mouth is greater than the outlet air end internal diameter of blowing mouth.The structure of blowing mouth can enable blowing mouth hot blast out dispel the laminar flow in boundary layer to greatest extent at work, makes the hot blast in boundary layer be in turbulence state, instead of laminar condition.
Preferably, filter is provided with between the outlet air end of blowing mouth and electrode slice.The structure of blowing causes blowing mouth hot blast out linearly, its stream pressure produced coating is higher, although the coating in the second dry section is condensed, but this condensation is unstable, if stream pressure is crossed, conference is individual on coating mountain there is disadvantage, and the effect of filter is just equivalent to a stream pressure damper, and blowing mouth air-flow out blows on filter, filter counteracts a part of stream pressure, causes and arrives the hot-air flow insufficient pressure of coating to produce disadvantage in coating through filter.
Operation principle of the present utility model is:
From the cold wind that air inlet is come in, enter the first blast pipe, cold wind in the first blast pipe by heating devices heat, cold wind after heating and hot blast come to the first buffering area, in first buffering area, hot blast is divided into two parts, part hot blast enters and adds warm-air pipe, discharge from the exhaust vent added warm-air pipe, drying is carried out to the coating in the first dry section, another part hot blast of the first buffering area enters the second blast pipe, in the second blast pipe, heater carries out post bake to this part hot blast, this part hot blast is made to reach the dry requirement of the second dry section, this part hot blast enters the second buffering area after heating devices heat, finally discharge from blowing mouth, through filter, drying is carried out to the coating in the second dry section.
At work, the electrode slice coating solvents just having entered the first dry section is more, coating is in disperse state, add warm-air pipe and drying is carried out to the electrode slice entering housing, make to be condensed by the electrode slice coating of the first dry section, because the structure adding warm-air pipe in the first dry section causes, to add warm-air pipe hot-air flow speed out soft, coating surface can not be damaged, eliminate defects of coatings, after the coating of condensing enters the second dry section, blowing mouth while strengthening the second dry section hot blast output quantity, is used to eliminate the laminar condition in boundary layer.
At work, in order to ensure the intake of the second blast pipe, the dividing plate being positioned at the second blast pipe air intake is adjustable.
Compared with prior art, the beneficial effects of the utility model are:
Eliminate the disadvantage that coating initial stage of drying hot blast produces coating, improve the dry mass of coating, indirectly improve the product quality of electrode slice; In the whole course of work, do not need the air output of staff to hot blast to make adjustment, under the prerequisite ensureing dry mass, conveying roller can make electrode slice by dry section with very fast speed, improve drying efficiency; In whole dry run, when coating is positioned at constant rate drying period, boundary layer there will not be laminar condition, improves the drying efficiency of coating.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Detailed description of the invention
As shown in Figure 1, a kind of hothouse of lithium battery electrode plate coating machine, comprise housing 1, electrode slice 14 and conveying roller 15, electrode slice 14 is carried by conveying roller 15, housing is provided with air inlet 2, and housing 1 inside is provided with heater 4, housing 1 is positioned at above the coating on electrode slice 14, housing 1 is divided into the first dry section 8 and the second dry section 10, first dry section 8 to be positioned at housing 1 electrode slice 14 approach section, and the second dry section 10 is positioned at housing 1 electrode slice 14 and goes out section; First dry section 8 comprises the first blast pipe 3 and the first buffering area 5, the air intake of the first blast pipe 3 is connected with the outlet air end of air inlet 2, the outlet air end of the first blast pipe 3 is connected with the air intake of the first buffering area 5,, be provided with heater 4 first buffering area 5 in the first blast pipe 3 and be provided with towards electrode slice 14 side and add warm-air pipe 6; Second dry section 10 comprises the second blast pipe 9 and the second buffering area 11, the blast pipe of the second blast pipe 9 is connected with the first buffering area 5, the outlet air end of the second blast pipe 9 is connected with the second buffering area 11, be provided with heater 4 in second blast pipe 9, the second buffering area 11 is provided with blowing mouth 12 towards electrode slice 14 side; Add warm-air pipe 6 for U-shaped structure, electrode slice 14 is through the U-lag adding warm-air pipe 6, and adding warm-air pipe 6 is provided with exhaust vent 7 towards electrode slice 14 side, and exhaust vent 7 is arranged in certain rule and adds on warm-air pipe 6; The air intake of the second blast pipe 9 and the second blast pipe 9 of the first buffering area 5 junction are provided with dividing plate; The main TV structure of blowing mouth 12 is pyramidal structure, and namely the air intake internal diameter of blowing mouth 12 is greater than the outlet air end internal diameter of blowing mouth 12; In second dry section 10, between the outlet air end of blowing mouth 12 and electrode slice 14, be provided with filter 13.
Claims (5)
1. the hothouse of a lithium battery electrode plate coating machine, comprise housing (1), electrode slice (14) and conveying roller (15), electrode slice (14) is carried by conveying roller (15), housing is provided with air inlet (2), housing (1) inside is provided with heater (4), housing (1) is positioned at above the coating on electrode slice (14), it is characterized in that: housing (1) is divided into the first dry section (8) and the second dry section (10), first dry section (8) is positioned at housing (1) electrode slice (14) approach section, second dry section (10) is positioned at housing (1) electrode slice (14) and goes out section, first dry section (8) comprises the first blast pipe (3) and the first buffering area (5), the air intake of the first blast pipe (3) is connected with the outlet air end of air inlet (2), the outlet air end of the first blast pipe (3) is connected with the air intake of the first buffering area (5), be provided with heater (4) in first blast pipe (3), the first buffering area (5) is provided with towards electrode slice (14) side and adds warm-air pipe (6), second dry section (10) comprises the second blast pipe (9) and the second buffering area (11), the blast pipe of the second blast pipe (9) is connected with the first buffering area (5), the outlet air end of the second blast pipe (9) is connected with the second buffering area (11), be provided with heater (4) in second blast pipe (9), the second buffering area (11) is provided with blowing mouth (12) towards electrode slice (14) side.
2. the hothouse of a kind of lithium battery electrode plate coating machine according to claim 1, it is characterized in that: add warm-air pipe (6) for U-shaped structure, electrode slice (14) is through the U-lag adding warm-air pipe (6), add warm-air pipe (6) and electrode slice (14) side is provided with exhaust vent (7), exhaust vent (7) is arranged in certain rule and adds on warm-air pipe (6).
3. the hothouse of a kind of lithium battery electrode plate coating machine according to claim 1 and 2, is characterized in that: the air intake of the second blast pipe (9) and second blast pipe (9) of the first buffering area (5) junction are provided with dividing plate.
4. the hothouse of a kind of lithium battery electrode plate coating machine according to claim 1 and 2, it is characterized in that: blowing mouth (12) main TV structure is pyramidal structure, namely the air intake internal diameter of blowing mouth (12) is greater than the outlet air end internal diameter of blowing mouth (12).
5. the hothouse of a kind of lithium battery electrode plate coating machine according to claim 4, is characterized in that: be provided with filter (13) between the outlet air end of blowing mouth (12) and electrode slice (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420547332.7U CN204208767U (en) | 2014-09-23 | 2014-09-23 | A kind of hothouse of lithium battery electrode plate coating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420547332.7U CN204208767U (en) | 2014-09-23 | 2014-09-23 | A kind of hothouse of lithium battery electrode plate coating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204208767U true CN204208767U (en) | 2015-03-18 |
Family
ID=52977478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420547332.7U Expired - Lifetime CN204208767U (en) | 2014-09-23 | 2014-09-23 | A kind of hothouse of lithium battery electrode plate coating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204208767U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107871853A (en) * | 2016-09-22 | 2018-04-03 | 皓智环球有限公司 | Method of Drying Electrode Assembly |
| CN108620285A (en) * | 2017-03-21 | 2018-10-09 | 苏州威格尔纳米科技有限公司 | A kind of coating pre-dried device |
-
2014
- 2014-09-23 CN CN201420547332.7U patent/CN204208767U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107871853A (en) * | 2016-09-22 | 2018-04-03 | 皓智环球有限公司 | Method of Drying Electrode Assembly |
| CN107871853B (en) * | 2016-09-22 | 2021-02-02 | 皓智环球有限公司 | Method of drying an electrode assembly |
| CN108620285A (en) * | 2017-03-21 | 2018-10-09 | 苏州威格尔纳米科技有限公司 | A kind of coating pre-dried device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150318 |
|
| CX01 | Expiry of patent term |