CN204806846U - Powder drying cabinet and have lithium ion battery material production facility of this drying cabinet - Google Patents
Powder drying cabinet and have lithium ion battery material production facility of this drying cabinet Download PDFInfo
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- CN204806846U CN204806846U CN201520497984.9U CN201520497984U CN204806846U CN 204806846 U CN204806846 U CN 204806846U CN 201520497984 U CN201520497984 U CN 201520497984U CN 204806846 U CN204806846 U CN 204806846U
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- powder
- casing
- dry gas
- drying case
- powder drying
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- 239000000843 powder Substances 0.000 title claims abstract description 86
- 238000001035 drying Methods 0.000 title claims abstract description 72
- 239000000463 material Substances 0.000 title claims abstract description 52
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 15
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000007599 discharging Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 14
- 238000012797 qualification Methods 0.000 abstract description 6
- 230000006872 improvement Effects 0.000 abstract description 2
- 230000005389 magnetism Effects 0.000 abstract 3
- 108091023288 HOTAIR Proteins 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 45
- 229910052751 metal Inorganic materials 0.000 description 13
- 239000002184 metal Substances 0.000 description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 1
- 229910006295 Si—Mo Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004489 contact powder Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
The utility model provides a powder drying cabinet and have lithium ion battery material production facility of this drying cabinet, this powder drying cabinet have the box, be used for to carrying the dry air current generating device of dry gas in the box and be used for carrying out filterable magnetism filter screen to dry air current, and dry air current generating device's hot -air produces the mouth and stretches into in the box and to the dry air current of powder transport, the magnetism filter screen is on a parallel with arbitrary lateral wall of box to be installed in the box, and dry air current carries out the drying to the powder after passing the magnetism filter screen. Can reduce the content that contains metallic impurity in the powder of dry back, improvement gained powder material's quality and qualification rate.
Description
Technical field
The utility model relates to chemical field, especially, relates to a kind of powder drying case and has the lithium ion battery material production equipment of this drying box.
Background technology
Positive electrode in lithium ion battery plus-negative plate powder body material comprises: ternary material, binary material, LiMn2O4 etc.Negative material comprises: lithium titanate.In the production process of lithium ion battery plus-negative plate powder body material, need to carry out drying process with drying box to semifinished or finished goods.
The power resources of conventional air blast drying box inner drying gas are in blower motor.In blower motor, each parts produce power by pivoting friction, after long-play, a large amount of metal species foreign matters can be carried in the air-flow of blower motor blowout, during airflow passes material to be dried, can pollute lithium ion battery plus-negative plate powder body material to be dried, cause the metallic foreign body content of powder body material to raise.The content of metallic foreign body needs strict control in lithium ion battery plus-negative plate Material Manufacturing Process.In gained powder body material, metallic foreign body exceeds standard can the serious security reducing lithium battery.And metallic foreign body content, once increase, will cause follow-up for reducing powder body material metallic foreign body content and increase cost in powder body material.Once metallic foreign body content reaches certain value in powder body material, also the disqualification rate of powder body material will be increased.
Utility model content
The utility model provides a kind of powder drying case and has the lithium ion battery material production equipment of this drying box, to solve after in prior art, drying box uses for a long time, and the technical problem that the metals content impurity after dry in material can increase severely.
According to an aspect of the present utility model, provide a kind of powder drying case, powder drying case has casing, for carrying the dry gas stream generating means of dry gas and the magnetic screen for filtering dry gas stream in casing, the hot-air of dry gas stream generating means produces mouth and to stretch in casing and to powder conveying dry gas stream; Arbitrary sidewall that magnetic screen is parallel to casing is installed in casing, and dry gas stream carries out drying through after magnetic screen to powder.
Further, magnetic screen is that the material being 5000 ~ 10000Gs by magnetic force is made.
Further, magnetic screen is spaced and is provided with multiple filter opening, the aperture of filter opening is 300 ~ 600 orders.
Further, dry gas generator comprises the air blast for passing into air-flow to casing and improves the heater of gas flow temperature for reducing airflow humidity, and air blast is installed on the sidewall of casing, and its air outlet stretches in casing; Heater is just installed air outlet, and air-flow is through heater.
Further, also comprise the air exhauster for being extracted out by casing inner drying gas, air exhauster is installed on wall box.
Further, also comprise the support for placing powder container, support comprises multiple parallel to each other and spaced longitudinal strut and multiple parallel to each other and spaced lateral supports, and the two ends of lateral supports are fixedly connected on longitudinal strut; The two ends of longitudinal strut are fixedly installed in two opposed inner walls of casing.
Further, air exhauster and air blast are installed on the two ends of lateral supports respectively, and the suction opeing of air exhauster is just arranged the air outlet of air blast.
Further, also comprise when exceeding preset value for temperature in casing and send warning and the control panel controlled dry gas temperature, control panel is installed on the outer wall of casing.
Further, on cabinet exterior, plating is provided with high temperature resistant stainless steel coating.
Additionally provide a kind of lithium ion battery material production equipment according to another aspect of the present utility model, the powder discharging opening of lithium ion battery material production equipment is connected with the charging aperture of powder drying case described above.
The utility model has following beneficial effect:
The drying box that the utility model provides is by flowing through the magnetic magnetic screen of tool by dry gas, the metal impurities produced by dry gas generator contained by dry gas stream are removed, thus magnetic for wherein contained tool metal impurities are removed, reduce the content of institute's metal impurities in dry rear powder, improve quality and the qualification rate of gained powder body material.
The production equipment that the utility model provides comprises above-mentioned drying box, and this drying box is connected with powder body material discharging opening, thus carries out drying to powder body material.When adopting this drying box to carry out powder drying, the metals content impurity in dry rear powder body material can be reduced, improve qualification rate and the quality of product.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the powder drying box structure schematic diagram of the utility model preferred embodiment.
Marginal data:
100, casing; 110, the first air blast; 120, the second air blast; 130, the 3rd air blast; 200, heater; 300, magnetic screen; 400, support; 410, longitudinal strut; 420, lateral supports; 500, control panel; 600, air exhauster; 610, bearing.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
If do not specialize, the conventional means that technological means used in embodiment is well known to those skilled in the art.
See Fig. 1, the utility model provides a kind of powder drying case, and this drying box has casing 100, dry gas stream generating means and the magnetic screen 300 for filtering dry gas stream.Dry gas stream carries out drying through after magnetic screen 300 to powder.Powder body material to be dried is placed in the middle part of casing 100.Dry gas stream flows in casing 100.Adopt the powder drying case of this structure, to reduce from dry gas stream generating means in eluting gas the content with metal impurities, improve the amount of impurities in powder body material after dry process, improve purity, reduce subsequent purification technique, improve powder qualification rate.This device is particularly useful for carrying out drying to powder body material, because after powder body material drying, often can be mixed into metal impurities.And the removal difficulty of metal impurities is more.After adopting this drying box, in powder, the content of institute's metal impurities can be effectively controlled, and improves the qualification rate of gained powder.The absorbent metallic foreign body of obvious magnetic screen 300 is mainly the magnetic foreign bodies such as iron Fe, chromium Cr, nickel, zinc Zn.This filter screen in use for some time, also needs to carry out periodic cleaning to it.Dry gas stream generating means can be any device that can produce dry high-temperature gas, such as air blast or have the air blast of heating function.
Preferably, magnetic screen 300 can be the wire netting of any material of 5000 ~ 10000Gs for magnetic force.Now the nearly all magnetic metal impurity in dry gas stream can be removed.
More preferably, the filter opening aperture of magnetic screen 300 is 300 ~ 600 orders.Arrange by this aperture, can prevent once excessive by the flows of dry gases in aperture, and cause the problem that wherein institute's metal impurities effectively cannot be removed.
The dry gas generator that the utility model provides comprise air blast for forming air-flow in casing 100 and for reducing airflow humidity while improve the heater 200 of gas flow temperature, blower outlet stretches in casing 100.Heater 200 is arranged in casing 100.The dry gas stream produced by air blast is through magnetic screen 300.Such as magnetic screen 300 can just be arranged blower outlet, can certainly and blower outlet interval other methods to set up are set etc.After only need ensureing that dry gas flows out from air blast, first through magnetic screen 300 before contact powder to be dried.
Preferably, casing 100 just arranges air exhauster 600 on one end sidewall of air blast.Air exhauster 600 and air blast support the use, and can improve the flow velocity of dry gas stream, thus improve drying efficiency.Obviously, supported the use by heater 200, air exhauster 600 and air blast, the dry gas stream that humidity and temperature is all comparatively suitable can be produced.The flow direction of dry gas stream both can be along casing 100 longitudinally, also can be the transverse direction along casing 100.The dry gas stream along casing 100 vertical and horizontal can certainly be produced in casing 100 simultaneously.To carry out drying to powder.Obviously heater 200 used herein can be all kinds of existing heating element heater, such as resistance wire, Elema or Si-Mo rod etc.
Preferably, as shown in Figure 1, the dry gas stream along its transverse direction is formed in casing 100.The formation of this dry gas stream by arranging air blast and air exhauster 600 respectively in the two opposite side walls of casing 100, thus can make dry gas stream lateral flow in casing 100.Adopt the form of lateral flow to carry out drying to powder body material, can effectively prevent powder body material under the drive of dry gas stream, in casing 100, produce airborne dust, cause loss of material.Make the powder between different batches produce mixing simultaneously, affect the properties of powder body material.Horizontal dry gas stream can realize the drying to material on different layers in powder container simultaneously, avoids longitudinal dry gas stream cannot carry out dry problem to powder container bottoms material.
Preferred, air blast comprises and is arranged at intervals at the first air blast 110, second air blast 120 on casing 100 the first side wall and the 3rd air blast 130.Second sidewall of casing 100 and the first side wall are oppositely arranged.It is arranged air exhauster 600.Heater 200 is arranged at the air outlet place of the first air blast 110, second air blast 120 and the 3rd air blast 130.After gas flows out from air blast, after flowing through heater 200, temperature improves, and humidity reduces, and moves speed and accelerates, increase powder surface dry gas flow velocity, thus improve rate of drying at the flows by action of air exhauster 600.Casing 100 arranges multiple first air blast 110, second air blast 120 and the 3rd air blast 130 can strengthen the dry gas scale of construction, thus make powder drying speed reach maximum, prevent powder under excessive wind speed, in casing 100, forming airborne dust simultaneously.Improve the degree of purity between each powder sample.
Preferred, air blast aligns with air exhauster and is arranged at the two ends of object disposing platform respectively.Thus realize being formed the dry gas stream of the stable single flow direction on same object disposing platform, avoid the too complexity that flows of gas in casing 100 to cause powder body material in different vessels mutually to disturb.
Preferably, in casing 100, middle part arranges the support 400 for placing powder body material.Support 400 is surrounded by longitudinal strut 410 and lateral supports 420.Support 400 is for placing powder to be dried.Lateral supports 420 can be all kinds of supporting member, and such as plate or spacing are less than the parallel pipe fitting of two of powder container bottom surface.Longitudinal strut 410 also can be provided with the plate of multiple through hole for surface for many pipe fittings parallel to each other.The two ends of lateral supports 420 are welded respectively with on the sidewall of longitudinal strut 410.Lateral supports 420 is intervally installed between two.The spacing of lateral supports 420 is higher than the height of powder container between two.The spacing of longitudinal strut 410 can adjust according to the volume of casing 100 between two.After support 400 is set, can the powder body material produced of the multiple different batches of single treatment.Increase work efficiency.
Preferably, lateral supports 420 is insert the dividing plate in longitudinal strut 410, and dividing plate can be extracted out and insert.Spacing between two between dividing plate can arbitrarily adjust as required.Thus make support 400 can be applicable to the powder container of different size.And without the need to frequently changing support 400.Improve the scope of application of drying box.Reduce production cost.
Preferably, on casing 100 outer wall, plating is provided with high temperature resistant stainless steel coating (not shown).Casing 100 can be avoided after this coating is set to be subject to the corrosion of all kinds of chemical substance, to extend the service life of drying box.
Preferably, dividing plate is arranged pallet (not shown).Pallet is greatly uncovered, and opening end and tray bottom surface apart from short, thus improve the contact area of powder and dry gas stream in pallet, thus improve drying efficiency.
Drying box casing 100 outer wall that the utility model provides also is provided with the control panel 500 for controlling drying box.Control panel 500 is arranged at one jiao, the front of casing 100.Control panel 500 has warning function, and when the thermometer arranged in casing 100 detects the temperature inside the box of obtaining higher than preset value, control panel 500 can send chimes of doom, thus alert is carried out cooling to casing 100 and processed.Prevent powder temperature in casing 100 too high and affect the performance of powder body material.Conveniently can control dry run, improve drying efficiency.Obvious control panel 500 can also control the temperature in casing 100, such as, can manipulate the opening and closing of heating element heater 200, thus controls the temperature of casing 100 inner drying gas.This operation can be realized by Automatic Control Component conventional in prior art.
The drying box bottom surface that the utility model provides is provided with the bearing 610 of multiple paired setting.Casing 100 supports overhead by bearing 610, can prevent from being subject to other liquid corrosions bottom casing 100, affects drying box service life.
Another aspect of the present utility model additionally provides a kind of lithium ion battery material production equipment with above-mentioned drying box, see Fig. 1, the powder discharging opening of this equipment is connected with the hermatic door (not shown) on drying box, through dried powder from drying box discharging.The front sidewall of drying box offers hermatic door (not shown).After opening hermatic door, visible material to be dried is placed in casing 100, after closing hermatic door afterwards, starts dry.Open hermatic door again after drying completes, take out dry powder body material.This drying box is particularly useful for the drying of lithium ion battery powder material, and metal impurities can be avoided the pollution of powder body material, can avoid again the mutual pollution of powder between different batches.Improve purity and the qualification rate of gained powder body material, alleviate drying process labour intensity, enhance productivity.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a powder drying case, it is characterized in that, described powder drying case has casing (100), for the conveying dry gas stream generating means of dry gas and the magnetic screen (300) for filtering dry gas stream in described casing (100), the hot-air of described dry gas stream generating means produces mouth and to stretch in described casing (100) and to powder conveying dry gas stream;
Arbitrary sidewall that described magnetic screen (300) is parallel to described casing (100) is installed in described casing (100), and described dry gas stream carries out drying through after described magnetic screen (300) to described powder.
2. powder drying case according to claim 1, is characterized in that, described magnetic screen (300) is that the material being 5000 ~ 10000Gs by magnetic force is made.
3. powder drying case according to claim 1, is characterized in that, described magnetic screen (300) is spaced and is provided with multiple filter opening, and the aperture of described filter opening is 300 ~ 600 orders.
4. the powder drying case according to any one of claims 1 to 3, it is characterized in that, described dry gas generator comprises for passing into the air blast of air-flow to described casing (100) and improving the heater (200) of described gas flow temperature for reducing described airflow humidity, described air blast is installed on the sidewall of described casing (100), and its air outlet stretches in described casing (100);
Described heater (200) is just installed described air outlet, and described air-flow is through described heater (200).
5. powder drying case according to claim 4, it is characterized in that, also comprise the air exhauster (600) for being extracted out by dry gas described in described casing (100), described air exhauster (600) is installed on described casing (100) sidewall.
6. powder drying case according to claim 5, it is characterized in that, also comprise the support (400) for placing powder container, described support (400) comprises multiple parallel to each other and spaced longitudinal strut (410) and multiple parallel to each other and spaced lateral supports (420), and the two ends of described lateral supports (420) are fixedly connected on described longitudinal strut (410);
The two ends of described longitudinal strut (410) are fixedly installed in two opposed inner walls of described casing (100).
7. powder drying case according to claim 6, it is characterized in that, described air exhauster (600) and described air blast are installed on the two ends of described lateral supports (420) respectively, and the suction opeing of described air exhauster (600) is just arranged the air outlet of described air blast.
8. powder drying case according to claim 4, it is characterized in that, also comprise for sending warning when temperature exceedes preset value in described casing (100) and the control panel (500) controlled described dry gas temperature, described control panel (500) is installed on the outer wall of described casing (100).
9. powder drying case according to claim 4, is characterized in that, on described casing (100) outer wall, plating is provided with high temperature resistant stainless steel coating.
10. a lithium ion battery material production equipment, is characterized in that, the powder discharging opening of described lithium ion battery material production equipment is connected with the charging aperture of the powder drying case such as according to any one of claim 1 ~ 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520497984.9U CN204806846U (en) | 2015-07-10 | 2015-07-10 | Powder drying cabinet and have lithium ion battery material production facility of this drying cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520497984.9U CN204806846U (en) | 2015-07-10 | 2015-07-10 | Powder drying cabinet and have lithium ion battery material production facility of this drying cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204806846U true CN204806846U (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520497984.9U Active CN204806846U (en) | 2015-07-10 | 2015-07-10 | Powder drying cabinet and have lithium ion battery material production facility of this drying cabinet |
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| CN (1) | CN204806846U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766758A (en) * | 2016-12-22 | 2017-05-31 | 江苏国泰环境监测有限公司常熟分公司 | A kind of drying box of powder |
| CN108940636A (en) * | 2018-09-07 | 2018-12-07 | 余姚易美园艺设备有限公司 | A kind of etch-proof gardens water spraying gun |
-
2015
- 2015-07-10 CN CN201520497984.9U patent/CN204806846U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106766758A (en) * | 2016-12-22 | 2017-05-31 | 江苏国泰环境监测有限公司常熟分公司 | A kind of drying box of powder |
| CN108940636A (en) * | 2018-09-07 | 2018-12-07 | 余姚易美园艺设备有限公司 | A kind of etch-proof gardens water spraying gun |
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