CN208194846U - A kind of diaphragm material drying unit - Google Patents
A kind of diaphragm material drying unit Download PDFInfo
- Publication number
- CN208194846U CN208194846U CN201820167141.6U CN201820167141U CN208194846U CN 208194846 U CN208194846 U CN 208194846U CN 201820167141 U CN201820167141 U CN 201820167141U CN 208194846 U CN208194846 U CN 208194846U
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- Prior art keywords
- oven
- air suction
- air
- pipe
- diaphragm material
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- 239000000463 material Substances 0.000 title claims abstract description 32
- 238000001035 drying Methods 0.000 title claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 238000007599 discharging Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 claims 3
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model discloses a kind of diaphragm material drying unit, including baking oven, the side of the baking oven is feed side, and the other side is exit side；First roll shaft group is set in the baking oven, and the orientation waviness of the first roll shaft group is arranged；Heating tube is distributed in the baking oven；Air intake device, to extract Hot wet air heating out of described baking oven.
Description
Technical Field
The utility model relates to a fields such as lithium cell diaphragm material specifically are a diaphragm material drying device.
Background
In the construction of lithium batteries, the separator is one of the key internal components. The performance of the diaphragm determines the interface structure, internal resistance and the like of the battery, directly influences the capacity, circulation, safety performance and other characteristics of the battery, and the diaphragm with excellent performance plays an important role in improving the comprehensive performance of the battery. The separator has a main function of separating the positive electrode and the negative electrode of the battery to prevent short circuit due to contact between the two electrodes, and also has a function of allowing electrolyte ions to pass therethrough. The separator material is non-conductive, and the physical and chemical properties of the separator have a great influence on the performance of the battery. The battery is different in kind and the separator used is different. In lithium battery systems, since an electrolyte is an organic solvent system, a separator material that is durable to an organic solvent is required, and a polyolefin porous film that is made thin and has high strength is generally used.
Therefore, in the production process of the separator material, it is usually necessary to go through a plurality of processes including roll stock, coating application, after finishing, and the like. After the coating is applied, it needs to be dried. Therefore, the temperature and humidity, the wind speed and the like are important factors influencing the performance of the diaphragm coated with the coating, how to control the temperature and the humidity of the oven is a problem to be solved at present, and the drying effect of the diaphragm material is related to the drying time besides the temperature and the humidity. If the volume of the oven is certain, how to improve the drying efficiency needs to be considered.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the utility model provides a diaphragm material drying device to when solving prior art diaphragm material stoving, the problem that diaphragm material performance is difficult to ensure.
The technical scheme for realizing the purpose is as follows: a diaphragm material drying device comprises an oven, wherein one side of the oven is a feeding side, and the other side of the oven is a discharging side; the first roller shaft group is arranged in the oven, and the arrangement direction of the first roller shaft group is arranged in a wave shape; the heating pipes are distributed in the oven; and the air suction device is used for extracting hot and humid air from the oven.
The heating pipes comprise a first group of heating pipes which are distributed at the top of the drying oven; and the second group of heating pipes are distributed at the bottom of the oven and are positioned below the first roller shaft group.
The air suction device comprises a fan and is arranged on the outer side of the oven; one end of the air suction pipe is connected to the fan, and the other end of the air suction pipe is communicated to the inside of the oven; and the air suction plate is provided with an air suction cavity which is connected with the air pipe, and one surface of the air suction plate facing the diaphragm material is provided with an air hole.
The diaphragm material drying device also comprises a second box body, and one side of the second box body corresponds to the discharge side of the oven; the fan is communicated to the second box body through an air outlet pipe; and the second roller shaft group is arranged in the second box body.
The air outlet pipe is provided with a condensing pipe which is connected with the condenser.
The utility model has the advantages that: the diaphragm material drying device of the utility model has the advantages that the first roller shaft group is structurally designed, so that the drying time is prolonged, the performance of the diaphragm material during drying can be effectively ensured, and the coating material can be more closely attached to the surface of the diaphragm material through the alternate action of thermal contraction and thermal expansion; meanwhile, a second box body is added, and the air suction mechanism is matched with the second box body for use, so that the dried diaphragm material can be effectively cooled; under the condition of limited production field, the volume of the oven can be reduced to meet the production requirement.
Drawings
The invention is further explained below with reference to the figures and examples.
Fig. 1 is the utility model discloses diaphragm material drying device structure chart.
Wherein,
411 baking oven; 421 a first roller set;
431 a first set of heating tubes; 432 a second set of heating tubes;
441 blower; 442 an air suction pipe;
443 air outlet pipe; 444 air suction plate;
445 a condenser tube; 451 temperature and humidity sensors;
461 second case; 462 second set of rollers.
Detailed Description
The following description of the embodiments refers to the accompanying drawings for illustrating the specific embodiments in which the invention may be practiced. In the present invention, directional terms such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc. refer to directions of the attached drawings only. Accordingly, the directional terms used are used for describing and understanding the present invention, and are not used for limiting the present invention.
Example (b): as shown in fig. 1, a drying device for diaphragm materials includes an oven 411, a first roller set 421, a heating pipe, an air suction device, a temperature and humidity sensor 451, a PLC controller, a second box 461, and a second roller set 462.
One side of the oven 411 is a feeding side, and the other side is a discharging side. One side of the second case 461 corresponds to the discharge side of the oven 411.
The first roller shaft group 421 is arranged in the oven, and the arrangement direction of the first roller shaft group is in wave shape; the second roller set 462 is disposed at the bottom of the second case 461, and the arrangement direction of the rollers in the second roller set is the same as the conveying direction of the diaphragm material.
The heating pipes are distributed in the oven 411; the heating pipes comprise a first group of heating pipes 431 and a second group of heating pipes 432, and the first group of heating pipes 431 are distributed at the top of the drying oven 411; the second set of heating tubes 432 is distributed at the bottom of the oven 411 and below the first roller set 421. At this time, the area of the first roller group 421 closest to the heating pipe is a high temperature area, and the area farthest from the heating pipe is a low temperature area, so as to form a heating form with mutually staggered high and low temperatures, and the coating material can be more closely attached to the surface of the diaphragm material through the alternate action of thermal contraction and thermal expansion.
The air suction device is used for extracting hot and humid air from the oven 411, cooling and dehumidifying the extracted hot and humid air, and then introducing the cooled and dehumidified hot and humid air into the second box 461 to cool the dried diaphragm material, the air suction device comprises a fan 441, an air suction pipe 442, an air outlet pipe 443 and an air suction plate 444, and the fan 441 is arranged outside the oven 411; one end of the air suction pipe 442 is connected to the fan 441, and the other end is communicated to the inside of the oven 411; the air suction plate 444 is provided with an air suction cavity which is connected with the air pipe, and one side of the air suction plate 444 facing the diaphragm material is provided with an air hole. The air outlet pipe 443 is provided with a condensation pipe 445, and the condensation pipe 445 is connected to the condenser. The outlet pipe 443 is connected to the second case 461.
The temperature and humidity sensor 451 is used for detecting the temperature and humidity in the oven 411; and the heating pipe, the air suction device and the temperature and humidity sensor 451 are electrically connected to the PLC controller. The PLC controller controls the heating pipe to heat according to the data collected by the temperature and humidity sensor 451, so as to maintain the temperature and humidity in the oven 411.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. A diaphragm material drying device is characterized by comprising
A drying oven, wherein one side of the drying oven is a feeding side, and the other side of the drying oven is a discharging side;
the first roller shaft group is arranged in the oven, and the arrangement direction of the first roller shaft group is arranged in a wave shape;
the heating pipes are distributed in the oven;
the air suction device is used for extracting hot and humid air from the oven;
the heating pipe comprises
The first group of heating pipes are distributed at the top of the drying oven;
and the second group of heating pipes are distributed at the bottom of the oven and are positioned below the first roller shaft group.
2. The membrane material drying device of claim 1, wherein the air suction device comprises
The fan is arranged on the outer side of the oven;
one end of the air suction pipe is connected to the fan, and the other end of the air suction pipe is communicated to the inside of the oven;
and the air suction plate is provided with an air suction cavity which is connected with the air pipe, and one surface of the air suction plate facing the diaphragm material is provided with an air hole.
3. The membrane material drying device of claim 2, further comprising a second box, wherein one side of the second box corresponds to the discharge side of the oven; the fan is communicated to the second box body through an air outlet pipe;
and the second roller shaft group is arranged in the second box body.
4. The drying device for the membrane materials as claimed in claim 3, wherein a condenser tube is disposed on the air outlet tube, and the condenser tube is connected to the condenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820167141.6U CN208194846U (en) | 2018-01-31 | 2018-01-31 | A kind of diaphragm material drying unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820167141.6U CN208194846U (en) | 2018-01-31 | 2018-01-31 | A kind of diaphragm material drying unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208194846U true CN208194846U (en) | 2018-12-07 |
Family
ID=64534548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820167141.6U Active CN208194846U (en) | 2018-01-31 | 2018-01-31 | A kind of diaphragm material drying unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208194846U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112570233A (en) * | 2020-12-12 | 2021-03-30 | 安徽新辰光学新材料有限公司 | Staged film material drying process |
-
2018
- 2018-01-31 CN CN201820167141.6U patent/CN208194846U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112570233A (en) * | 2020-12-12 | 2021-03-30 | 安徽新辰光学新材料有限公司 | Staged film material drying process |
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