CN209496952U - A kind of plasma spray system preparing complex lithium band - Google Patents
A kind of plasma spray system preparing complex lithium band Download PDFInfo
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- CN209496952U CN209496952U CN201920006232.6U CN201920006232U CN209496952U CN 209496952 U CN209496952 U CN 209496952U CN 201920006232 U CN201920006232 U CN 201920006232U CN 209496952 U CN209496952 U CN 209496952U
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- lithium
- base band
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- 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
Abstract
The utility model provides a kind of plasma spray system for preparing complex lithium band, comprising: feeding mechanism, feeding mechanism includes lithium molten bath and feed pipe, and one end of feed pipe stretches in lithium molten bath, the other end of feed pipe is connected with feeding mouth, is connected with transfer tube on feed pipe；Plasma gun；Transport mechanism, transport mechanism include base band bearing wheels, lithium with winding wheel and base band bearing wheels and lithium are arranged in the spray painting equipment between winding wheel；Feeding mouth close to and towards the nozzle of plasma gun, the nozzle of plasma gun is towards spray painting equipment.Base band to be sprayed leaves base band bearing wheels in the case where lithium is with the affecting of winding wheel and towards lithium with winding wheel movement, when base band to be sprayed passes through spray painting equipment, the plasma thermal-flame that plasma gun sprays will be sprayed into base band to be sprayed from the lithium liquid that feeding mouth flows out to form complex lithium band.
Description
Technical field
A kind of the utility model lithium battery manufacturing field, and in particular to plasma spray system for preparing complex lithium band.
Background technique
The fast development of electric car proposes new higher requirement to lithium electrical power densities.Lithium metal has very high
Specific energy density (3860mAh/g), be the optimal selection of the following high energy battery negative electrode material, for this purpose, preparing composition metal
Lithium band (especially ultra-thin composite metal lithium band) becomes current research hotspot.
Currently, the method for preparing composite metal lithium band both at home and abroad specifically includes that (1) method system compound using mechanical roll-in
Standby complex lithium band.This kind of mode needs original lithium band；Stretcher strain easily occurs in process of production to be even broken, it is difficult to prepare
Thickness is lower than 50 μm of ultra-thin lithium bands below；Mechanical precision requires height, and equipment investment is at high cost greatly.The research of current this aspect is not
It is few, but be difficult to obtain real-time progress, it is difficult to it produces in batches；(2) it mends lithium with wet process to be dissolved in organic solvent lithium powder, using spray
The mode for spilling/being added dropwise solution mends lithium.The method complex procedures；High to lithium powder dependency degree, lithium powder preparation cost is high；Drying process has
A large amount of organic solvent volatilizations.
Utility model content
The problem of for the preparation of prior art complex lithium band, the utility model provides a kind of complex lithium band for preparing
Plasma spray system, the utility model realize the preparation of complex lithium band based on plasma spraying, and process is simple, operation side
Just, it is easy to industrialization, and without particulate metal lithium raw materials such as original lithium band, lithium powder, to further reduced production cost.
The utility model aim is realized by following technical proposals:
Feeding mechanism, the feeding mechanism include lithium molten bath and feed pipe, and one end of the feed pipe stretches to the lithium
In molten bath, the other end of the feed pipe is connected with feeding mouth, and transfer tube, the transfer tube driving are connected on the feed pipe
Lithium liquid in the lithium molten bath is flowed along the feed pipe and is finally flowed out through the feeding mouth；
Plasma gun, the plasma gun for generating plasma thermal-flame, make the chemical conversion of lithium liquid mist it is micron-sized,
Even-grained melt granules, and under the acceleration of high temp jet on high-speed impact to substrate, form the lithium metal of dense uniform
Coating；
Transport mechanism, the transport mechanism include the base band bearing wheels for carrying base band to be sprayed, winding spraying after it is compound
The lithium of lithium band is with winding wheel and the base band bearing wheels and the lithium are arranged in the spray painting equipment between winding wheel；
The feeding mouth is close and towards the nozzle of the plasma gun, and the nozzle of the plasma gun is described in
Spray painting equipment, base band to be sprayed are left the base band bearing wheels under the affecting of the lithium with winding wheel and are received towards the lithium band
Rolling wheel is mobile, when the base band to be sprayed passes through the spray painting equipment, the plasma high temp fire of the plasma gun ejection
Flame will be sprayed into the base band to be sprayed from the lithium liquid that the feeding mouth flows out to form the complex lithium band.
It is described as an a kind of specific embodiment of plasma spray system for preparing complex lithium band of the utility model
Transport mechanism further includes having the heating board being arranged between the base band bearing wheels and the spray painting equipment, the heating board
For realizing the preheating to base band to be sprayed.
It is described as an a kind of specific embodiment of plasma spray system for preparing complex lithium band of the utility model
Transport mechanism further includes that the spray painting equipment and the lithium is arranged in the pressing wheel group between winding wheel, the pressing wheel group packet
It includes the first pressing wheel being arranged in pairs and second and flattens wheel, the first pressing wheel is flattened described second is formed with pressure between wheel
Flat gap, the size for flattening gap and the thickness of the complex lithium band after spraying match, the pressing wheel group for realizing
Pressing to complex lithium band.
It is described as an a kind of specific embodiment of plasma spray system for preparing complex lithium band of the utility model
Transfer tube is accurate screw pump, and the feed pipe is heated at constant temperature casing.
It is described as an a kind of specific embodiment of plasma spray system for preparing complex lithium band of the utility model
Deflecting roller is equipped between spray painting equipment and the pressing wheel group.
It is described as an a kind of specific embodiment of plasma spray system for preparing complex lithium band of the utility model
The feeding speed of feed pipe is 0.2~2g/min, and the temperature of the lithium liquid flowed out from the feeding mouth is 200~400 DEG C, by institute
The temperature for stating the base band to be sprayed of spray painting equipment is 50~180 DEG C.The plasma gun be low pressure of inert gas etc. from
Sub- spray gun, the power of the plasma gun are 6~20kW, and electric current is 250~500A, and the gas source of the plasma gun is argon
Gas and helium, in which: argon flow 25-100L/min, helium gas flow 5-10L/min.
Can be realized the spraying preparation of complex lithium band using the utility model, process is simple, and it is easy to operate, it is easy to industry
Change, and without particulate metal lithium raw materials such as original lithium band, lithium powder, to further reduced production cost.
Detailed description of the invention
Fig. 1 be the utility model proposes preparation complex lithium band plasma spray system structural schematic diagram.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
Below with reference to concrete principle and process to a kind of plasma spray coating for preparing complex lithium band described in the utility model
System and spraying method are described in detail:
A kind of plasma spray system preparing complex lithium band, as shown in Figure 1, the paint finishing includes feeder
Structure, plasma gun 4 and transport mechanism.
The feeding mechanism includes lithium molten bath 1 and feed pipe 3, and one end of the feed pipe 3 stretches to the lithium molten bath 1
Interior, the other end of the feed pipe 3 is connected with feeding mouth, and transfer tube 2 is connected on the feed pipe 3, and the transfer tube 2 drives
Lithium liquid in the lithium molten bath 1 is flowed along the feed pipe 3 and is finally flowed out through the feeding mouth.
The plasma gun 4 is for generating plasma thermal-flame, so that the lithium liquid mist chemical conversion by feeding mouth outflow is micro-
Meter level, even-grained melt granules, melt granules on high-speed impact to substrate, are formed fine and close under the acceleration of high temp jet
Uniform metal lithium coating.
The transport mechanism includes the lithium of the complex lithium band after the base band bearing wheels 5 for carrying base band to be sprayed, winding spraying
With winding wheel 10 and the base band bearing wheels 5 and the lithium are set with the spray painting equipment 7 between winding wheel 10.
The feeding mouth is close and towards the nozzle of the plasma gun, and the nozzle of the plasma gun is described in
Spray painting equipment 7, base band to be sprayed leave the base band bearing wheels 5 in the case where the lithium is with the affecting of winding wheel 10 and towards the lithiums
Band winding wheel 10 is mobile.
When the base band to be sprayed passes through the spray painting equipment 7, the plasma high temp fire of the plasma gun ejection
The lithium liquid mist flowed out from the feeding mouth is melted into micron-sized, even-grained melt granules by flame, and melt granules are penetrated in high temperature
Under the acceleration of stream on high-speed impact to substrate, to form the metal lithium coating of dense uniform.
In certain embodiments, the transport mechanism further includes having to be arranged in the base band bearing wheels 5 and the spray
The heating board 6 between board 7 is applied, the heating board 6 is for realizing the preheating to base band to be sprayed.According to described to be sprayed
Base band to be sprayed is preheated to 50~180 DEG C by the specific material of base band, the heating board 6.
In certain embodiments, the transport mechanism further includes that setting is received in the spray painting equipment 7 and the lithium band
Pressing wheel group 9 between rolling wheel 10, the pressing wheel group 9 includes the first pressing wheel and second flattens wheel, the first pressing wheel
It is formed between the second pressing wheel and flattens gap, the thickness of the size for flattening gap and the complex lithium band after spraying
Match.The pressing wheel group 9 is for realizing the pressing to complex lithium band.
In certain embodiments, deflecting roller 8 is equipped between the spray painting equipment 7 and the pressing wheel group 9.Described turn
The direction of transfer of complex lithium band can be changed to wheel 8, to reduce installation space occupied by the transport mechanism.
In order to guarantee that stablizing for lithium liquid conveys, stabilization described herein includes the stability of feeding amount and the stabilization of temperature
Property.In certain embodiments, the feeding mouth uses micron order pin hole feeding mouth, and the transfer tube 2 is accurate screw pump,
It is controlled through the accurate of accurate screw pump, the essence within the scope of 0.2~2g/min of stabilization feeding velocity interpolation of the feed pipe 3
Close adjusting, to guarantee that the feeding mouth can spray thin-line-shaped lithium liquid stream with the flow speed stability of 0.2~2g/min.It is described to send
Expects pipe 3 uses the stainless steel micro pipe with thermostatical oil heating muff, in spraying process, the lithium that is flowed out from the nozzle of the feed pipe 3
The temperature of liquid can be realized the accurate control within the scope of 200~400 DEG C, and temperature controls error less than 5 DEG C.
In addition, in order to realize being adjusted flexibly for feeding position and feeding angle, in certain embodiments, the feeding
Mouth and the feed pipe are flexibly connected, and are connected such as between the feeding mouth and the feed pipe through one section of bent flexible pipe.
In order to which the lithium liquid stream for spraying feeding mouth is atomized into micron-sized, even-grained melt granules.Some specific
In embodiment, the plasma gun is low power low pressure of inert gas plasma gun, the power of the plasma gun
For 6~20kW, electric current is 250~500A, and the gas source of the plasma gun is argon gas and helium, in which: argon flow 25-
100L/min, helium gas flow 5-10L/min.
Lithium metal fusing point is low, low boiling point, surface tension are big, therefore uses power for the plasma of the low-power of 6~20kW
Spray gun is sprayed.Since the activity of lithium liquid is big, the gas source of inert gas argon gas and helium as plasma gun is used,
To guarantee the ingredient stability of lithium liquid.
In certain embodiments, spraying process is implemented in the atmosphere full of inert gas.The inert gas is
Argon gas.
Other side according to the present utility model, the utility model additionally provide a kind of plasma for preparing complex lithium band
Body spraying method uses plasma gun that lithium liquid mist is melted into micron-sized even-grained melt granules and is sprayed into be painted
It applies in base band, obtains complex lithium band.
In certain embodiments, lithium liquid defeated is steadily sent to plasma by the feed pipe being located on the outside of plasma gun
At the nozzle of spray gun, lithium liquid mist is melted into micron-sized, grain by the plasma thermal-flame that the nozzle of the plasma gun sprays
Spend uniform melt granules.
In certain embodiments, the stabilization feeding speed of the feed pipe is 0.2~2g/min, the temperature of the lithium liquid
Degree is 200~400 DEG C, and the temperature of the base band to be sprayed is 50~180 DEG C, and the material of the base band to be sprayed is copper, nickel, no
Become rusty one of steel.
In certain embodiments, the plasma gun is small-power low pressure of inert gas plasma gun, described
The power of plasma gun is 6~20kW, and electric current is 250~500A, and the gas source of the plasma gun is argon gas and helium,
In: argon flow 25-100L/min, helium gas flow 5-10L/min.In spraying process, the nozzle of plasma gun with to
The distance (spray distance) for spraying base band is 80~300mm.
Below by the specific embodiment plasma spray system for preparing complex lithium band a kind of to the utility model and spray
Explanation is further expalined in coating method.
Example 1
Plasma spray system is placed in closed argon gas glove box, 30 μm thick, width 50mm copper base band is pacified
Board 6, spray painting equipment 7, deflecting roller 8, pressing wheel group are heated loaded on successively passing through in base band bearing wheels 5 and by the free end of base band
It is fixed to after 9 on lithium band winding wheel 10.Battery grade lithium metal ingot is placed in lithium molten bath 1 and is melted, and the temperature of lithium liquid is adjusted
To 300 DEG C.The driving power of adjustment precision screw pump guarantees that the stabilization feeding speed of feed pipe 3 is 1g/min.By plasma spray
The spray parameters of rifle 4 are arranged are as follows: power 18kW, electric current 400A, argon flow 30L/min, helium gas flow 10L/min, spraying
Spacing is 120mm.The rolling speed of heating power and lithium with winding wheel 10 of heating board 6 is adjusted to guarantee to heat 6 energy of board
It is enough to be preheated to 100 DEG C by base band thereon.
Start lithium band winding wheel 10, lithium band winding wheel 10 rotates and pulls base band and advances towards winding wheel 10, traveling process
Middle base band successively by heating board 6, spray painting equipment 7, deflecting roller 8 and flattens wheel group 9.Meanwhile it opening accurate screw pump and waiting
The lithium liquid flowed out from feeding mouth is sprayed into positioned at flush coater by ion spray gun 4, the plasma thermal-flame that plasma gun 4 sprays
In copper base band on platform 7, to obtain lithium metal copper composite band.
After spraying 20min, the lithium metal copper composite band of a length of 5m is obtained, through detecting, the thickness of lithium metal copper composite band is about
It is 50 μm, lithium thicknesses of layers is about 20 μm, thickness deviation < 2%, lithium film layer porosity < 2%, the knot of lithium film layer and copper base band
Conjunction intensity is 12MPa.
Example 2
Plasma spray system is placed in closed argon gas glove box, 30 μm thick, width 50mm copper base band is pacified
Board 6, spray painting equipment 7, deflecting roller 8, pressing wheel group are heated loaded on successively passing through in base band bearing wheels 5 and by the free end of base band
It is fixed to after 9 on lithium band winding wheel 10.Battery grade lithium metal ingot is placed in lithium molten bath 1 and is melted, and the temperature of lithium liquid is adjusted
To 400 DEG C.The driving power of adjustment precision screw pump guarantees that the stabilization feeding speed of feed pipe is 0.2g/min.By plasma spray
The spray parameters of rifle 4 are arranged are as follows: power 15kW, electric current 350A, argon flow 25L/min, helium gas flow 10L/min, spraying
Spacing is 80mm.The rolling speed of heating power and lithium with winding wheel 10 of heating board 6 is adjusted to guarantee that heating board 6 can
160 DEG C will be preheated to by base band thereon.
Start lithium band winding wheel 10, lithium band winding wheel 10 rotates and pulls base band and advances towards winding wheel 10, traveling process
Middle base band successively by heating board 6, spray painting equipment 7, deflecting roller 8 and flattens wheel group 9.Meanwhile it opening accurate screw pump and waiting
The lithium liquid flowed out from feeding mouth is sprayed into positioned at flush coater by ion spray gun 4, the plasma thermal-flame that plasma gun 4 sprays
In copper base band on platform 7, to obtain lithium metal copper composite band.
After spraying 20min, the lithium metal copper composite band of a length of 10m is obtained, through detecting, the thickness of lithium metal copper composite band is about
It is 12 μm, lithium thicknesses of layers is about 6 μm, thickness deviation < 10%, lithium film layer porosity < 2%, the knot of lithium film layer and copper base band
Conjunction intensity is 15MPa.
Example 3
Plasma spray system is placed in closed argon gas glove box, 50 μm thick, width 80mm copper base band is pacified
Board 6, spray painting equipment 7, deflecting roller 8, pressing wheel group are heated loaded on successively passing through in base band bearing wheels 5 and by the free end of base band
It is fixed to after 9 on lithium band winding wheel 10.Battery grade lithium metal ingot is placed in lithium molten bath 1 and is melted, and the temperature of lithium liquid is adjusted
To 350 DEG C.The driving power of adjustment precision screw pump guarantees that the stabilization feeding speed of feed pipe is 2g/min.By plasma gun
4 spray parameters setting are as follows: power 20kW, electric current 500A, argon flow 35L/min, helium gas flow 10L/min, between spraying
Away from for 200mm.The rolling speed of heating power and lithium with winding wheel 10 of heating board 6 is adjusted to guarantee that heating board 6 can
130 DEG C will be preheated to by base band thereon.
Start lithium band winding wheel 10, lithium band winding wheel 10 rotates and pulls base band and advance towards lithium band winding wheel 10, advances
Base band successively by heating board 6, spray painting equipment 7, deflecting roller 8 and flattens wheel group 9 in the process.Meanwhile opening accurate screw pump
With plasma gun 4, the lithium liquid flowed out from feeding mouth is sprayed by the plasma thermal-flame that plasma gun 4 sprays is located at spray
It applies in the copper base band on board 7, to obtain lithium metal copper composite band.
After spraying 20min, the lithium metal copper composite band of a length of 2.5m, through detecting, the thickness of lithium metal copper composite band are obtained
About 100 μm, lithium thicknesses of layers is about 50 μm, thickness deviation < 1%, lithium film layer porosity < 5%, lithium film layer and copper base band
Bond strength is 10MPa.
Example 4
Plasma spray system is placed in closed argon gas glove box, by 30 μm thick, width 50mm stainless steel base band
It is installed in base band bearing wheels 5 and successively takes turns the free end of base band by heating board 6, spray painting equipment 7, deflecting roller 8, pressing
It is fixed to after group 9 on lithium band winding wheel 10.Battery grade lithium metal ingot is placed in the lithium molten bath 1 and is melted, and by the temperature of lithium liquid
Degree is adjusted to 200 DEG C.The driving power of adjustment precision screw pump guarantees that the stabilization feeding speed of feed pipe is 1g/min.Will etc. from
The spray parameters of sub- spray gun 4 are arranged are as follows: power 20kW, electric current 500A, argon flow 35L/min, helium gas flow 10L/min,
Spraying spacing is 200mm.The rolling speed of heating power and lithium with winding wheel 10 of heating board 6 is adjusted to guarantee to heat board
6 can will be preheated to 180 DEG C by base band thereon.
Start lithium band winding wheel 10, lithium band winding wheel 10 rotates and pulls base band and advance towards lithium band winding wheel 10, advances
Base band successively by heating board 6, spray painting equipment 7, deflecting roller 8 and flattens wheel group 9 in the process.Meanwhile opening accurate screw pump
With plasma gun 4, the lithium liquid flowed out from feeding mouth is sprayed by the plasma thermal-flame that plasma gun 4 sprays is located at spray
It applies in the stainless steel base band on board 7, to obtain lithium metal stainless steel compound belt.
After spraying 20min, the lithium metal stainless steel compound belt of a length of 2.5m is obtained, through detecting, lithium metal stainless steel is compound
The thickness of band is about 50 μm, and lithium thicknesses of layers is about 20 μm, thickness deviation < 3%, lithium film layer porosity < 5%, lithium film layer with not
The bond strength of rust base steel band is 8MPa.
Example 5
By plasma spray system as in closed argon gas glove box, 80 μm thick, width 80mm nickel-base strip is installed
Board 6, spray painting equipment 7, deflecting roller 8, pressing wheel group 9 are heated in successively passing through in base band bearing wheels 5 and by the free end of base band
After be fixed to lithium band winding wheel 10 on.Battery grade lithium metal ingot is placed in lithium molten bath 1 and is melted, and the temperature of lithium liquid is adjusted to
400℃.The driving power of adjustment precision screw pump guarantees that the stabilization feeding speed of feed pipe is 0.2g/min.By plasma gun
4 spray parameters setting are as follows: power 20kW, electric current 500A, argon flow 35L/min, helium gas flow 10L/min, between spraying
Away from for 100mm.The rolling speed of heating power and lithium with winding wheel 10 of heating board 6 is adjusted to guarantee that heating board 6 can
100 DEG C will be preheated to by base band thereon.
Start lithium band winding wheel 10, lithium band winding wheel 10 rotates and pulls base band and advance towards lithium band winding wheel 10, advances
Base band successively by heating board 6, spray painting equipment 7, deflecting roller 8 and flattens wheel group 9 in the process.Meanwhile opening accurate screw pump
With plasma gun 4, the lithium liquid flowed out from feeding mouth is sprayed by the plasma thermal-flame that plasma gun 4 sprays is located at spray
It applies on the nickel-base strip on board 7, to obtain lithium metal nickel composite band.
After spraying 20min, the lithium metal nickel composite band of a length of 2.5m, through detecting, the thickness of lithium metal nickel composite band are obtained
About 50 μm, lithium thicknesses of layers is about 20 μm, thickness deviation < 5%, lithium film layer porosity < 5%, the knot of lithium film layer and nickel-base strip
Conjunction intensity is 8MPa.
The description with certain particularity detailed enough has been carried out to the utility model above.It is common in the field
It is to be understood by the skilled artisans that the description in embodiment is only exemplary, without departing from the utility model true spirit and
All changes are made under the premise of range all should belong to the protection scope of the utility model.The utility model is claimed
Range is to be defined by described claims, rather than limited by the foregoing description in embodiment.
Claims (6)
1. a kind of plasma spray system for preparing complex lithium band, characterized in that it comprises:
Feeding mechanism, the feeding mechanism include lithium molten bath and feed pipe, and one end of the feed pipe stretches to the lithium molten bath
Interior, the other end of the feed pipe is connected with feeding mouth, is connected with transfer tube on the feed pipe, described in the transfer tube driving
Lithium liquid in lithium molten bath is flowed along the feed pipe and is finally flowed out through the feeding mouth；
Plasma gun, the plasma gun make lithium liquid mist be melted into micron-sized, granularity for generating plasma thermal-flame
Uniform melt granules, and applied under the acceleration of high temp jet on high-speed impact to substrate with the lithium metal for forming dense uniform
Layer；
Transport mechanism, the transport mechanism include the complex lithium band after the base band bearing wheels for carrying base band to be sprayed, winding spraying
Lithium with winding wheel and the base band bearing wheels and the lithium are set with the spray painting equipment between winding wheel；
The feeding mouth close to and towards the nozzle of the plasma gun, the nozzle of the plasma gun is towards the spraying
Board, base band to be sprayed leave the base band bearing wheels and towards the lithium with winding wheel under the affecting of the lithium with winding wheel
Mobile, when the base band to be sprayed passes through the spray painting equipment, the plasma thermal-flame that the plasma gun sprays will
The lithium liquid flowed out from the feeding mouth is sprayed into the base band to be sprayed to form the complex lithium band.
2. plasma spray system as described in claim 1, which is characterized in that the transport mechanism further includes having setting to exist
Heating board between the base band bearing wheels and the spray painting equipment, the heating board is for realizing to base band to be sprayed
Preheating.
3. plasma spray system as described in claim 1, which is characterized in that the transport mechanism further includes being arranged in institute
Spray painting equipment and the lithium are stated with the pressing wheel group between winding wheel, the wheel group that flattens includes that first be arranged in pairs flattens wheel
Wheel is flattened with second, the first pressing wheel, which flattens to be formed between wheel described second, flattens gap, the pressing gap
Size and the thickness of the complex lithium band after spraying match, and the pressing wheel group is for realizing the pressing to complex lithium band.
4. plasma spray system as described in claim 1, which is characterized in that the transfer tube is accurate screw pump, institute
Stating feed pipe is heated at constant temperature casing.
5. plasma spray system as claimed in claim 3, which is characterized in that the spray painting equipment and the pressing wheel group
Between be equipped with deflecting roller.
6. plasma spray system as described in claim 1, it is characterised in that:
The feeding speed of the feed pipe is 0.2~2g/min, and the temperature of the lithium liquid flowed out from the feeding mouth is 200~400
DEG C, the temperature by the base band to be sprayed of the spray painting equipment is 50~180 DEG C；
The plasma gun is low pressure of inert gas plasma gun, and the power of the plasma gun is 6~20kW, electric current
For 250~500A, the gas source of the plasma gun is argon gas and helium, in which: argon flow 25-100L/min, helium
Flow is 5-10L/min.
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| CN201920006232.6U CN209496952U (en) | 2019-01-02 | 2019-01-02 | A kind of plasma spray system preparing complex lithium band |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713231A (en) * | 2019-01-02 | 2019-05-03 | 重庆天齐锂业有限责任公司 | A kind of plasma spray system and spraying method preparing complex lithium band |
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2019
- 2019-01-02 CN CN201920006232.6U patent/CN209496952U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713231A (en) * | 2019-01-02 | 2019-05-03 | 重庆天齐锂业有限责任公司 | A kind of plasma spray system and spraying method preparing complex lithium band |
| CN109713231B (en) * | 2019-01-02 | 2024-04-23 | 重庆天齐锂业有限责任公司 | Plasma spraying system and method for preparing composite lithium belt |
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