CN204154060U - A kind of apparatus for baking of lithium ion battery - Google Patents
A kind of apparatus for baking of lithium ion battery Download PDFInfo
- Publication number
- CN204154060U CN204154060U CN201420454910.2U CN201420454910U CN204154060U CN 204154060 U CN204154060 U CN 204154060U CN 201420454910 U CN201420454910 U CN 201420454910U CN 204154060 U CN204154060 U CN 204154060U
- Authority
- CN
- China
- Prior art keywords
- baking
- baking box
- pipe
- stream
- ion battery
- 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
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 40
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 71
- 238000007791 dehumidification Methods 0.000 claims abstract description 22
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 16
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 38
- 230000000740 bleeding effect Effects 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 230000035772 mutation Effects 0.000 claims description 3
- 230000008520 organization Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 4
- 230000004087 circulation Effects 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002699 waste material Substances 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model is applicable to the technical field of the processing of lithium ion battery, disclose a kind of apparatus for baking of lithium ion battery, comprise lithium-ion electric core and baking box, heater and battery core rack is provided with in baking box, also comprise vacuum plant, airflow apparatus, dehydrating unit and air blast, vacuum plant is connected with baking box by vacuum tube, and airflow apparatus is connected with baking box by air inlet pipe, and air blast is connected with baking box with dehydrating unit with escape pipe respectively by blast pipe.The apparatus for baking of a kind of lithium-ion electric core that the utility model provides, structure is simple, adopt the nitrogen recycled, greatly increase the utilization rate of resource, eliminate the device of a large amount of external control humidity, meanwhile, the air pulse produced by air blast is dehumidified to lithium-ion electric core, improve the heating effect of baking box and the dehumidification rate of apparatus for baking entirety, thus be beneficial to the combination property and the market competitiveness that improve lithium-ion electric core apparatus for baking.
Description
[technical field]
The utility model relates to the processing of lithium ion battery, particularly a kind of apparatus for baking of lithium ion battery.
[background technology]
Lithium ion battery be unable to do without vacuum oven in process, each procedure all needs to carry out except water treatment, especially before fluid injection operation, just fluid injection operation can be carried out after must carrying out strict baking to the battery core of lithium ion battery, otherwise the electrolyte lithium hexafluoro phosphate meeting in electrolyte and the moisture content generation chemical reaction in battery core, generate hydrofluoric acid, not only have a strong impact on the performance of battery, and chemical reaction can produce a large amount of heats simultaneously, cause lithium ion battery explosion.
Existing lithium ion battery apparatus for baking is mainly divided into two large classes, the first kind is vacuum bakeout case, namely in bake process, vacuum is kept, reduce the boiling point of water, then by passing into dry gas (being generally nitrogen), replace with gas in baking box, thus reach the object removing moisture; Equations of The Second Kind is that baking box is communicated with external environment condition by controlling external environment condition, passes through constantly gas displacement in gas low for external moisture content and case, thus reach the object removing moisture in bake process.
Above two kinds of baking boxes dewater, the first kind needs special vacuum equipment and source nitrogen as support, and require higher to box sealing performance, vacuum and the nitrogen resource of at substantial is needed in bake process, cause baking cost higher, heating is transmitted by heat radiation in addition, and baking box zones of different temperature-difference is comparatively large, and cured effect is poor; Equations of The Second Kind needs to control external environment condition humidity, and need the humidity of extra equipment to environment to control, heat cannot reclaim simultaneously, forms the waste to the energy, and baking cost is higher.
Wherein, the uneven problem of the heat energy for first kind vacuum oven, prior art makes heat energy fully contact with lithium ion battery by baking repeatedly with vacuumizing.Concrete workflow is as follows: first carry out the lithium ion battery that the degree of depth dewaters put into baking box by be baked, be evacuated down to about 0.1mpa, heat to about 100 DEG C, toast 2 hours, be then filled with nitrogen, leave standstill a period of time, then again vacuumize, to heat baking, repeat a circulation, so do not do 5 to 20 circulations not etc., finally be filled with nitrogen, be cooled to normal temperature, open vacuum oven, take out material.Such operation, a large amount of electric energy and high pure nitrogen have all been wasted, and make the cost of vacuum bakeout high.
[utility model content]
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, a kind of apparatus for baking of lithium ion battery is provided, it is intended to solve in lithium ion battery bake process of the prior art, and resource consumption is large, processing cost is high, nitrogen and heat energy cannot reclaim, the technical problem high to the dependence of external environment condition.
For achieving the above object, the utility model proposes a kind of apparatus for baking of lithium ion battery, comprise lithium ion battery and baking box, heater and battery rack is provided with in described baking box, described lithium ion battery is placed on battery rack, also comprise and be provided for the vacuum plant that baking box is in vacuum state, produce the airflow apparatus of drying nitrogen air-flow, for to the withering dehydrating unit of stream of nitrogen gas and the air blast that makes the speed short time of stream of nitrogen gas undergo mutation, described vacuum plant is connected with baking box by vacuum tube, described dehydrating unit is connected with baking box by dehumidification pipe, described airflow apparatus is connected with baking box by air inlet pipe, described air blast is connected with baking box with dehydrating unit with escape pipe respectively by blast pipe.
As preferably, described vacuum tube is provided with the vacuum valve controlling vacuum tube and whether be communicated with, described dehumidification pipe is provided with and controls the unidirectional dehumidification valve by dehydrating unit of stream of nitrogen gas, described air inlet pipe is provided with and controls the intake valve whether stream of nitrogen gas flows into baking box, described blast pipe is provided with the air blast valve controlling the unidirectional inflow air blast of stream of nitrogen gas, described escape pipe is provided with the air outlet valve controlling the unidirectional inflow baking box of stream of nitrogen gas.
As preferably, described escape pipe is provided with the Pressure gauge of the air pressure demonstrating pipe, described stream of nitrogen gas first passes through air outlet valve again by Pressure gauge.
As preferably, described dehumidification pipe offers the blast pipe be interconnected, described stream of nitrogen gas first passes through dehumidification valve again by blast pipe, and described blast pipe is provided with the air bleeding valve controlling the unidirectional discharge of stream of nitrogen gas.
As preferably, described air blast is also provided with the controlling organization for the work of timing controlled air blast.
As preferably, described dehumidification pipe, blast pipe and escape pipe are all equipped with thermal insulation layer.
The beneficial effects of the utility model: compared with prior art, the apparatus for baking of a kind of lithium ion battery that the utility model provides, structure is simple, adopt the nitrogen recycled, greatly increase the utilization rate of resource, eliminate the device of a large amount of external control humidity, simultaneously, the air pulse produced by air blast is dehumidified to lithium ion battery, improve the heating effect of baking box and the dehumidification rate of apparatus for baking entirety, thus be beneficial to the combination property and the market competitiveness that improve lithium ion battery apparatus for baking.
Feature of the present utility model and advantage will be described in detail by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the schematic flow sheet of the utility model embodiment;
Fig. 2 is the structural representation of baking box in embodiment of the present utility model.
[detailed description of the invention]
For making the purpose of this utility model, technical scheme and advantage clearly understand, below by accompanying drawing and embodiment, the utility model is further elaborated.But should be appreciated that, specific embodiment described herein, only in order to explain the utility model, is not limited to scope of the present utility model.In addition, in the following description, the description to known features and technology is eliminated, to avoid unnecessarily obscuring concept of the present utility model.
Consult Fig. 1 and Fig. 2, the utility model embodiment provides a kind of apparatus for baking of lithium ion battery, comprise lithium ion battery 1 and baking box 2, heater 21 and battery rack 22 is provided with in baking box 2, lithium ion battery 1 is placed on battery rack 22, also comprise and be provided for the vacuum plant 3 that baking box 2 is in vacuum state, produce the airflow apparatus 4 of drying nitrogen air-flow, for to the withering dehydrating unit 5 of stream of nitrogen gas and the air blast 6 that makes the speed short time of stream of nitrogen gas undergo mutation, vacuum plant 3 is connected with baking box 2 by vacuum tube 31, dehydrating unit 5 is connected with baking box 2 by dehumidification pipe 51, airflow apparatus 4 is connected with baking box 2 by air inlet pipe 41, air blast 6 is connected with baking box 2 with dehydrating unit 5 with escape pipe 62 respectively by blast pipe 61.
The closed system of embodiment entirety of the present utility model in self-loopa, user is made to improve the effect on moisture extraction of lithium ion battery 1 without the need to the humidity by controlling external environment condition, simultaneously, the heat that baking box 2 produces can recycle in whole apparatus for baking, abundant recovery, improves the service efficiency of heat energy.
And embodiment of the present utility model adopts the air blast 6 that can produce short-time pulse air-flow, accelerate the stream of nitrogen gas circulated in apparatus for baking on the one hand, improve the dehumidification rate of lithium ion battery 1; On the other hand, time anxious time slow stream of nitrogen gas flow through in baking box 2 inside, be effectively integrated leaving standstill in prior art with the process conformity being filled with nitrogen, simultaneously, also reduce the number of times that vacuum plant 3 vacuumizes, decrease the consumption of electric energy, thus reduce processing cost.
Particularly, vacuum tube 31 is provided with the vacuum valve 32 controlling vacuum tube 31 and whether be communicated with, dehumidification pipe 51 is provided with and controls the unidirectional dehumidification valve 52 by dehydrating unit 5 of stream of nitrogen gas, air inlet pipe 41 is provided with and controls the intake valve 42 whether stream of nitrogen gas flows into baking box 2, blast pipe 61 is provided with the air blast valve 63 controlling the unidirectional inflow air blast 6 of stream of nitrogen gas, escape pipe 62 is provided with the air outlet valve 64 controlling the unidirectional inflow baking box 2 of stream of nitrogen gas.Under the control of above-mentioned valve, first stream of nitrogen gas flows into baking box 2, and the nitrogen after heating takes away the moisture of baking box 2 inside, and makes the baking temperature that the temperature of lithium ion battery 1 reaches predetermined rapidly; Then flow into dehydrating unit 5 by dehumidification pipe 51 moisture is removed, make dried nitrogen be got back to baking box 2 and carry out next dehumidifying circulated; Next flow into air blast 6 by blast pipe 61, air blast 6 promotes with the speed by stream of nitrogen gas, and stream of nitrogen gas now still remains with the heat energy that baking box 2 provides; The stream of nitrogen gas of last high speed is got back in baking box 2 by escape pipe 62, and again the steam of lithium ion battery 1 inside and moisture is taken away, and forms a complete cyclic process.By circulating incessantly, dehydrating unit 5 constantly adsorbs the moisture content be evaporated, make baking box 2 inside be in low saturated air pressure all the time under, be conducive to baking dry, greatly reduce the use of high pure nitrogen and vacuum resource, also make baking box 2 internal heat energy spread evenly simultaneously, avoid lithium ion battery 1 and to be heated uneven situation.
Particularly, escape pipe 62 is provided with the Pressure gauge 65 of the air pressure demonstrating tracheae 62 inside, stream of nitrogen gas first passes through air outlet valve 64 again by Pressure gauge 65, make user can know the air pressure of the stream of nitrogen gas of escape pipe 62 inside, the high pressure draught preventing air blast 6 from producing causes compressing to baking box 2 inside and follow-up pipeline, improves security performance and the unfailing performance of apparatus for baking.
Further, dehumidification pipe 51 offers the blast pipe 53 be interconnected, stream of nitrogen gas first passes through dehumidification valve 52 again by blast pipe 53, and blast pipe 53 is provided with the air bleeding valve 54 controlling the unidirectional discharge of stream of nitrogen gas.When Pressure gauge 65 finds that stream of nitrogen gas has exceeded nominal pressure value, user opens air bleeding valve 54, make the stream of nitrogen gas of high pressure by direct discharged to external environment condition after baking box 2, no longer participate in the circulation in apparatus for baking, until the atmospheric pressure value that Pressure gauge 65 shows is down to nominal pressure.
Particularly, air blast 6 is also provided with the controlling organization 7 worked for timing controlled air blast 6.Because stream of nitrogen gas needs fully diffusion in baking box 2, therefore, air blast 6 also needs to decommission within a certain period of time, makes stream of nitrogen gas circulating lentamente in apparatus for baking inside.
Wherein, in order to improve the utilization rate of the heat energy of apparatus for baking, dehumidification pipe 51, blast pipe 61 and escape pipe 62 are all equipped with thermal insulation layer 8, and the consumption of heat energy is greatly reduced, thus the loss of the electric energy of baking box 2 is also correspondingly reduced.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace or improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. the apparatus for baking of a lithium ion battery, comprise lithium ion battery (1) and baking box (2), heater (21) and battery rack (22) is provided with in described baking box (2), described lithium ion battery (1) is placed on battery rack (22), it is characterized in that: also comprise and be provided for the vacuum plant (3) that baking box (2) is in vacuum state, produce the airflow apparatus (4) of drying nitrogen air-flow, for to the withering dehydrating unit of stream of nitrogen gas (5) and the air blast (6) that makes the speed short time of stream of nitrogen gas undergo mutation, described vacuum plant (3) is connected with baking box (2) by vacuum tube (31), described dehydrating unit (5) is connected with baking box (2) by dehumidification pipe (51), described airflow apparatus (4) is connected with baking box (2) by air inlet pipe (41), described air blast (6) is connected with baking box (2) with dehydrating unit (5) with escape pipe (62) respectively by blast pipe (61).
2. the apparatus for baking of a kind of lithium ion battery as claimed in claim 1, it is characterized in that: on described vacuum tube (31), be provided with the vacuum valve (32) controlling vacuum tube (31) and whether be communicated with, described dehumidification pipe (51) is provided with and controls the unidirectional dehumidification valve by dehydrating unit (5) of stream of nitrogen gas (52), described air inlet pipe (41) is provided with and controls the intake valve (42) whether stream of nitrogen gas flows into baking box (2), described blast pipe (61) is provided with the air blast valve (63) controlling the unidirectional inflow air blast (6) of stream of nitrogen gas, described escape pipe (62) is provided with the air outlet valve (64) controlling the unidirectional inflow baking box (2) of stream of nitrogen gas.
3. the apparatus for baking of a kind of lithium ion battery as claimed in claim 1 or 2, it is characterized in that: on described escape pipe (62), be provided with the Pressure gauge (65) demonstrating the inner air pressure of tracheae (62), described stream of nitrogen gas first passes through air outlet valve (64) again by Pressure gauge (65).
4. the apparatus for baking of a kind of lithium ion battery as claimed in claim 3, it is characterized in that: on described dehumidification pipe (51), offer the blast pipe (53) be interconnected, described stream of nitrogen gas first passes through dehumidification valve (52) again by blast pipe (53), and described blast pipe (53) is provided with the air bleeding valve (54) controlling the unidirectional discharge of stream of nitrogen gas.
5. the apparatus for baking of a kind of lithium ion battery as claimed in claim 1 or 2, is characterized in that: described air blast (6) is also provided with the controlling organization (7) worked for timing controlled air blast (6).
6. the apparatus for baking of a kind of lithium ion battery as claimed in claim 1 or 2, is characterized in that: described dehumidification pipe (51), blast pipe (61) and escape pipe (62) are all equipped with thermal insulation layer (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420454910.2U CN204154060U (en) | 2014-08-12 | 2014-08-12 | A kind of apparatus for baking of lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420454910.2U CN204154060U (en) | 2014-08-12 | 2014-08-12 | A kind of apparatus for baking of lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204154060U true CN204154060U (en) | 2015-02-11 |
Family
ID=52512167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420454910.2U Expired - Lifetime CN204154060U (en) | 2014-08-12 | 2014-08-12 | A kind of apparatus for baking of lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204154060U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595291A (en) * | 2017-02-25 | 2017-04-26 | 深圳市玖创科技有限公司 | Sintering device for anode materials of batteries |
| CN108375285A (en) * | 2018-02-10 | 2018-08-07 | 安徽唯诗杨信息科技有限公司 | A kind of lithium-ion-power cell drying device and drying means |
| CN114838562A (en) * | 2022-05-11 | 2022-08-02 | 常州蓝翼飞机装备制造有限公司 | Method for removing gas micro-water in welded gas cylinder |
-
2014
- 2014-08-12 CN CN201420454910.2U patent/CN204154060U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106595291A (en) * | 2017-02-25 | 2017-04-26 | 深圳市玖创科技有限公司 | Sintering device for anode materials of batteries |
| CN106595291B (en) * | 2017-02-25 | 2018-11-30 | 广州奥丁诺科技有限公司 | A kind of cell positive material sintering equipment |
| CN108375285A (en) * | 2018-02-10 | 2018-08-07 | 安徽唯诗杨信息科技有限公司 | A kind of lithium-ion-power cell drying device and drying means |
| CN114838562A (en) * | 2022-05-11 | 2022-08-02 | 常州蓝翼飞机装备制造有限公司 | Method for removing gas micro-water in welded gas cylinder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205784286U (en) | A kind of cabinet type drying plant of multifunctional temperature control being applied to macromolecular material | |
| CN103615873A (en) | Lithium ion battery baking box and battery baking process using same | |
| CN103802185A (en) | High-temperature physical carbonization method of carbide furnace and wood | |
| CN204154060U (en) | A kind of apparatus for baking of lithium ion battery | |
| CN203642611U (en) | Lithium-ion battery drying oven | |
| CN207456055U (en) | A kind of dehumidifying baking oven | |
| CN205980587U (en) | Saving type oven | |
| CN203478904U (en) | Vacuum double-cone rotating type drying device | |
| CN204388537U (en) | The energy-efficient closed drying unit of a kind of multiple-energy-source complicated utilization | |
| CN105120996A (en) | Solar-powered autoclave device | |
| CN108151457A (en) | A kind of lithium battery is dried in vacuo dehumidification device | |
| CN103900356B (en) | A kind of condensing type hot-air circulating drying device | |
| CN203758174U (en) | Drying device capable of conducting waste heat recovery effectively | |
| CN203843961U (en) | Carbonizing furnace | |
| CN202497474U (en) | Novel sterilizing and drying device | |
| CN106813464A (en) | A kind of lithium battery baking box | |
| CN102927805A (en) | Energy-saving dryer | |
| CN102305521A (en) | Hot-air circulating oven | |
| CN212274458U (en) | Equipment for realizing rapid drying by utilizing differential pressure convection | |
| CN203824244U (en) | Condensation-type heated air circulation drying device | |
| CN204020224U (en) | A kind of high efficiency printing drying system | |
| CN203657358U (en) | Storage battery plate drying device | |
| CN204388546U (en) | A kind of photovoltaic generation closed drying unit | |
| CN203980793U (en) | Boiled bed dryer | |
| CN204629856U (en) | Bake oven type c high temperature low humidity rotary dehumidifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150211 |
|
| CX01 | Expiry of patent term |