CN108529889A - A kind of preparation method of solar cell front side silver paste glass powder - Google Patents
A kind of preparation method of solar cell front side silver paste glass powder Download PDFInfo
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- CN108529889A CN108529889A CN201810281977.3A CN201810281977A CN108529889A CN 108529889 A CN108529889 A CN 108529889A CN 201810281977 A CN201810281977 A CN 201810281977A CN 108529889 A CN108529889 A CN 108529889A
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- glass powder
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- solar cell
- front side
- silver paste
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C12/00—Powdered glass; Bead compositions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
- B01F27/192—Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/44—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement
- B01F31/441—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement performing a rectilinear reciprocating movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/44—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement
- B01F31/443—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement performing a superposed additional movement other than oscillation, vibration or shaking
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F31/00—Mixers with shaking, oscillating, or vibrating mechanisms
- B01F31/44—Mixers with shaking, oscillating, or vibrating mechanisms with stirrers performing an oscillatory, vibratory or shaking movement
- B01F31/449—Stirrers constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
- B01F33/402—Mixers using gas or liquid agitation, e.g. with air supply tubes comprising supplementary stirring elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
- B01F33/405—Mixers using gas or liquid agitation, e.g. with air supply tubes in receptacles having guiding conduits therein, e.g. for feeding the gas to the bottom of the receptacle
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B1/00—Preparing the batches
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/23—Cooling the molten glass
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/235—Heating the glass
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
Abstract
The present invention provides a kind of preparation methods of solar cell front side silver paste glass powder.The technical problems such as it, which solves existing glass powder, does not have corresponding preparation method, only relies on artificial experience and prepares, and preparation speed is slow.The preparation method of this solar cell front side silver paste glass powder, includes the following steps：A, by weight percentage, raw material is weighed：PbO35 65%, B2O312 20%, Al2O31 4%, ZnO 5 15%, SiO23.8 7.6%, Li2O 0.5 2.5%, Ag2O 0.3 1.2%, Ti020.6 1.8%, MgO 1 3% and ZrO23 7%；B, each raw material in step a is put into togerther in agitating device, mixture is made；C, the mixture in step b is poured into crucible, is put into Muffle furnace after capping, heating is melt into glass metal；D, the glass metal in step c is directly poured into water carry out quenching, frit is made；E, the frit in step d is put into baking oven；F, the frit dried is crushed, you can obtain glass powder.The present invention has the advantages that prepare quick.
Description
Technical field
The invention belongs to technical field of solar, are related to a kind of preparation side of solar cell front side silver paste glass powder
Method.
Background technology
Solar energy is important clean energy resource, is inexhaustible, nexhaustible, pollution-free, cheap, the mankind can be freely sharp
The energy.After the first oil crisis, various countries competitively carry out the cleanings such as solar energy, water energy, wind energy and regenerative resource
The application study of application study, especially solar energy is the most extensive.Solar energy is not any to environment as a kind of green energy resource
Nonstaining property, and its source is simple, it may be said that it is that it is inexhaustible in the existence time limit of the mankind.It is existing
Nowadays used solar energy, which has, is greatly got by solar cell conversion.Because solar cell is to light thoughts
It answers, the luminous energy for being radiated at its surface can be converted to electric energy；And the front side silver paste in solar cell passes through silk-screen printing
Method is printed on silicon substrate front, is sintered by sintering furnace, forms gate line electrode.Wherein, during sintering, glass
Powder plays vital Link role, and it is more closely knit that good glass powder can be such that Argent grain is sintered, silver grating line and silicon adhesive force
By force, the ohmic contact resistance of cell piece is low.
Through retrieval, as Chinese patent literature discloses a kind of glass powder for solar cell front side silver paste【Application number：
201410100104.X；Publication number：CN 103992038A】.This glass powder for solar cell front side silver paste, it is special
Sign is：The glass powder is mainly made of following weight percent composition：SiO21~5%, Al2O30.2~4%, B2O31~
5%, ZnO or Zn3(PO4)25~10%, BaCO30.1~1.5%, MgO 0.1~1.0%, TeO215~25%, P2O50.1~
1.0%, lead compound and bismuth compound 60~70%.
Although glass powder disclosed in the patent can promote the sintering of conductive silver powder, the glass powder is not corresponding
Preparation method only relies on artificial experience preparation, and preparation speed is slow, therefore, designs a kind of solar cell front side silver paste glass
The preparation method of glass powder is necessary.
Invention content
The purpose of the present invention is there is the above problem in view of the prior art, it is proposed that a kind of solar cell front side silver paste
With the preparation method of glass powder, which has the characteristics that prepare quick.
Object of the invention can be realized by the following technical scheme：A kind of solar cell front side silver paste glass powder
Preparation method, which is characterized in that include the following steps：
A, by weight percentage, raw material is weighed：PbO 35-65%, B2O312-20%, Al2O31-4%, ZnO 5-15%,
SiO23.8-7.6%, Li2O 0.5-2.5%, Ag2O0.3-1.2%, Ti020.6-1.8%, MgO 1-3% and ZrO23-7%；
B, each raw material in step a is put into togerther in agitating device, mixing time 20-40min, mixing is made
Material；
C, the mixture in step b is poured into crucible, is put into Muffle furnace after capping, heating is melt into glass metal；
D, the glass metal in step c is directly poured into water carry out quenching, frit is made；
E, the frit in step d is put into baking oven, drying time 5-20min；
F, the frit dried is crushed, you can obtain glass powder.
Mixing speed in the step b is 300-500r/min.
Crucible in the step c is corundum crucible.
Heating melting temperature in the step c is 1000-1200 DEG C, soaking time 30-70min.
Water in the step d is deionized water.
Drying temperature in the step e is 90-100 DEG C.
Crushing in the step f is using airslide disintegrating mill.
Agitating device in the step b includes pedestal, is fixed with agitator on the pedestal, agitator top have into
Material mouth, solenoid valve one is provided at feed inlet, and there is discharge port, discharge outlet to be provided with solenoid valve two, pedestal for agitator lower part
On be fixed with holder, be provided with lifter plate on holder, lifter plate with one can drive thereon lower mobile mobile mechanism be connected, lifting
Shaft is vertically arranged on plate, shaft upper end can drive its dynamic structure rotated to be connected with one, and shaft lower end extend into stirring
In bucket, flexible positioning gasbag is arranged in shaft lower end, and positioning gasbag is in flat cuboid, if having outside positioning gasbag
Dry stirring blade, positioning gasbag inner horizontal are provided with mounting plate, and the surrounding of mounting plate is connected with the inner wall of positioning gasbag, installation
The middle part of plate is connected with shaft lower end, has several ventholes on mounting plate, and vibration electricity has been fixed by the connecting rod on mounting plate
Machine, vibrating motor are double shaft vibrating motors, and vibrating motor is connected by spring one with vibrating mass one, and vibrating mass one can with calmly
The top of position air bag inner wall is in contact, and vibrating motor is connected by spring two with vibrating mass two, and vibrating mass two can be with positioning gas
The lower part of capsule inner wall is in contact, and the regulating and controlling mechanism regulated and controled to the air pressure in positioning gasbag is additionally provided on pedestal.
The operation principle of agitating device is as follows：Raw material is put by feed inlet in agitator, dynamic structure band is passed through
Turn shaft rotation is dynamic, and shaft drives mounting plate rotation, mounting plate to drive stirring blade rotation, and stirring blade is to the raw material in agitator
It is stirred；Lifter plate is driven to move up and down by mobile mechanism, lifter plate drives shaft to move up and down, and shaft drives mounting plate
It moves up and down, mounting plate drives positioning gasbag to move up and down, and positioning gasbag drives stirring blade to move up and down, and stirring blade can be right
The raw material of agitator upper, middle and lower is stirred, and control vibrating motor work, vibrating motor drives vibrating mass one and vibrating mass respectively
About two shakes can make the raw material on positioning gasbag top shake and the raw material of positioning gasbag lower part can be made to shake, meanwhile, pass through tune
Section mechanism regulates and controls the air pressure in positioning gasbag, so that the volume of positioning gasbag is increased or reduced, can make positioning gasbag top
Raw material flow up or also the raw material of positioning gasbag lower part can be made to flow downward, so as to which the raw material in agitator is quick
It stirs evenly, mixing effect is good.
The mobile mechanism includes push-rod electric machine, guide rail and sliding block, and guide rail is fixed on holder vertically, and sliding block setting is being led
On rail, push-rod electric machine is fixed on holder, and the push rod of push-rod electric machine is vertically arranged, the push rod end of push-rod electric machine and sliding block phase
Even, lifter plate is connected with sliding block.
When needing that sliding block is made to move up and down, the push rod for controlling push-rod electric machine moves up and down, and the push rod of push-rod electric machine drives
Sliding block is moved up and down along guide rod, and sliding block drives lifter plate to move up and down, so as to make lifter plate move up and down.
The guide rail both ends are further fixed on limited block.
Using the above structure, sliding block can be limited by limited block, limit is convenient.
The regulating and controlling mechanism includes the adjusting air bag and regulation and control plate of elasticity, adjusts air bag and is fixed on holder, and adjusts gas
Capsule is located at the surface of lifter plate, adjusts air bag and is connected with positioning gasbag by gas-guide tube, and regulation and control plate is fixed on lifter plate,
And regulation and control plate can be in contact with air bag lower part is adjusted.
Using the above structure, during lifter plate moves up and down, lifter plate drives adjustable plate to move up and down, adjustable plate
It is contacted repeatedly with adjusting air bag and it is squeezed, using the power above and below lifter plate, the volume of positioning gasbag can be made to increase
Or reduce, regulation and control are convenient.
It is additionally provided with barometric damper on the gas-guide tube.
Using the above structure, the air-flow in gas-guide tube can be adjusted by barometric damper, it is easy to adjust.
It is additionally provided with supplementary structure in the shaft, supplementary structure includes rotating bar and auxiliary block, rotating bar one end and is turned
Axis upper end is connected, and the rotating bar other end is connected with auxiliary block, has inclined work department in auxiliary block, and work department can be with adjusting
Air bag side is in contact.
Using the above structure, during shaft rotates, shaft drives rotating bar rotation, rotating bar that auxiliary block is driven to turn
Dynamic, auxiliary block is in contact repeatedly with air bag side is adjusted, and can exchange solar term capsule and carry out intermittent extruding.
The dynamic structure includes stepper motor, driving wheel, driven wheel and belt, and stepper motor is fixed on lifter plate,
Straight up, driving wheel is fixed on the output shaft end of stepper motor to the output shaft of stepper motor, and driven wheel is fixed in shaft
End, belt are set between driving wheel and driven wheel.
When needing that shaft is made to rotate, the output shaft rotation of stepper motor is controlled, the output shaft of stepper motor drives actively
Wheel rotation, driving wheel drive driven wheel to rotate by belt, and driven wheel drives shaft rotation, so as to make shaft rotate.
Controller, push-rod electric machine and stepper motor is further fixed on the pedestal by circuit to be connected with the controller.
Using the above structure, push-rod electric machine and stepper motor can control to act by controller, intelligence degree is high.
Compared with prior art, the preparation method of this solar cell front side silver paste glass powder has the advantages that this：Pass through
The operations such as feeding, stirring, heating, quenching, drying and crushing, so that it may realize the preparation operation of glass powder, preparation parameter it is complete and
In detail, it prepares quick.
Description of the drawings
Fig. 1 is the sectional view of agitating device.
Fig. 2 is the sectional view that agitating device removes part.
Fig. 3 is the dimensional structure diagram of auxiliary block in agitating device.
In figure, 1, pedestal；2, solenoid valve two；3, agitator；3a, feed inlet；3b, discharge port；4, gas-guide tube；5, shaft；
6, push-rod electric machine；7, holder；8, guide rail；9, sliding block；11, lifter plate；12, regulate and control plate；13, barometric damper；14, limited block；
15, air bag is adjusted；16, auxiliary block；16a, work department；17, rotating bar；18, driven wheel；19, belt；21, driving wheel；22, it walks
Stepper motor；23, solenoid valve one；24, positioning gasbag；25, connecting rod；26, vibrating motor；27, spring two；28, vibrating mass two；
29, mounting plate；31, spring one；32, vibrating mass one；33, stirring blade；34, controller.
Specific implementation mode
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
The preparation method of this solar cell front side silver paste glass powder, includes the following steps：
A, by weight percentage, raw material is weighed：PbO 35-65%, B2O312-20%, Al2O31-4%, ZnO 5-15%,
SiO23.8-7.6%, Li2O 0.5-2.5%, Ag2O0.3-1.2%, Ti020.6-1.8%, MgO 1-3% and ZrO23-7%；
In the present embodiment, by weight percentage, raw material is weighed：PbO 62%, B2O315%, Al2O32%, ZnO 7%,
SiO25.3%, Li2O 1.3%, Ag2O 0.5%, Ti020.9%, MgO2% and ZrO24%；
B, each raw material in step a is put into togerther in agitating device, mixing time 20-40min, mixing is made
Material；In the present embodiment, each raw material in step a is put into togerther in agitating device, mixing time 32min, is made mixed
Close material；
C, the mixture in step b is poured into crucible, is put into Muffle furnace after capping, heating is melt into glass metal；
D, the glass metal in step c is directly poured into water carry out quenching, frit is made；
E, the frit in step d is put into baking oven, drying time 5-20min；In the present embodiment, by step
Frit in d is put into baking oven, drying time 11min；
F, the frit dried is crushed, you can obtain glass powder.
Mixing speed in step b is 300-500r/min；In the present embodiment, the mixing speed in step b is 400r/
min。
Crucible in step c is corundum crucible；In the present embodiment,.
Heating melting temperature in step c is 1000-1200 DEG C, soaking time 30-70min；In the present embodiment, it walks
Heating melting temperature in rapid c is 1100 DEG C, soaking time 60min.
Water in step d is deionized water；In the present embodiment,.
Drying temperature in step e is 90-100 DEG C；In the present embodiment, the drying temperature in step e is 92 DEG C.
Crushing in step f is using airslide disintegrating mill.
As shown in Figure 1-Figure 3, the agitating device in step b includes pedestal 1, agitator 3 is fixed on pedestal 1, in this reality
It applies in example, is fixed with agitator 3 on pedestal 1 by bolted connection；3 top of agitator has feed inlet 3a, feed inlet
Solenoid valve 1 is provided at 3a, 3 lower part of agitator has discharge port 3b, solenoid valve 22, pedestal 1 are provided at discharge port 3b
On be fixed with holder 7, in the present embodiment, holder 7 is fixed on pedestal 1 by bolted connection；It is provided on holder 7
Lifter plate 11, lifter plate 11 can drive the mobile mechanism of lower movement to be thereon connected, shaft are vertically arranged on lifter plate 11 with one
5,5 upper end of shaft can drive its dynamic structure rotated to be connected with one, and 5 lower end of shaft is extend into agitator 3,5 lower end of shaft
Flexible positioning gasbag 24 is set, and in the present embodiment, positioning gasbag 24 is using the existing product that can be bought in the market；It is fixed
Position air bag 24 is in flat cuboid, and 24 outside of positioning gasbag has several stirring blades 33, in the present embodiment, paddle
The quantity of piece 33 is 20；24 inner horizontal of positioning gasbag is provided with mounting plate 29, the surrounding and positioning gasbag of mounting plate 29
24 inner wall is connected, and the middle part of mounting plate 29 is connected with 5 lower end of shaft, and in the present embodiment, the middle part of mounting plate 29 passes through weldering
The mode connect is connected with 5 lower end of shaft；There are several ventholes, in the present embodiment, the quantity of venthole is on mounting plate 29
Ten；Vibrating motor 26 is fixed with by connecting rod 25 on mounting plate 29, vibrating motor 26 is double shaft vibrating motors, vibration electricity
Machine 26 is connected by spring 1 with vibrating mass 1, and vibrating mass 1 can be in contact with the top of 24 inner wall of positioning gasbag,
Vibrating motor 26 is connected by spring 2 27 with vibrating mass 2 28, and vibrating mass 2 28 can be with the lower part phase of 24 inner wall of positioning gasbag
It contacts, the regulating and controlling mechanism regulated and controled to the air pressure in positioning gasbag 24 is additionally provided on pedestal 1.
Mobile mechanism includes push-rod electric machine 6, guide rail 8 and sliding block 9, and guide rail 8 is fixed on vertically on holder 7, in the present embodiment
In, guide rail 8 is fixed on holder 7 vertically by bolted connection；Sliding block 9 is arranged on guide rail 8, and push-rod electric machine 6 is fixed
On holder 7, in the present embodiment, push-rod electric machine 6 is fixed on by bolted connection on holder 7；Push-rod electric machine 6 pushes away
Bar is vertically arranged, and the push rod end of push-rod electric machine 6 is connected with sliding block 9, and lifter plate 11 is connected with sliding block 9.
8 both ends of guide rail are further fixed on limited block 14, and in the present embodiment, 8 both ends of guide rail are gone back by bolted connection
It is fixed with limited block 14；Using the structure, sliding block 9 can be limited by limited block 14, limit is convenient.
Regulating and controlling mechanism includes that the adjusting air bag 15 and regulation and control plate 12 of elasticity adjust air bag 15 and use city in the present embodiment
The existing product that can be bought on field；It adjusts air bag 15 to be fixed on holder 7, in the present embodiment, adjusts air bag 15 and pass through spiral shell
The mode connect is tethered to be fixed on holder 7；And the surface that air bag 15 is located at lifter plate 11 is adjusted, it adjusts air bag 15 and passes through air guide
Pipe 4 is connected with positioning gasbag 24, and regulation and control plate 12 is fixed on lifter plate 11, and in the present embodiment, regulation and control plate 12 passes through bolt
The mode of connection is fixed on lifter plate 11；And regulation and control plate 12 can be in contact with 15 lower part of air bag is adjusted.
Barometric damper 13 is additionally provided on gas-guide tube 4；It, can be to gas-guide tube 4 by barometric damper 13 using the structure
In air-flow be adjusted, it is easy to adjust.
Be additionally provided with supplementary structure in shaft 5, supplementary structure includes rotating bar 17 and auxiliary block 16,17 one end of rotating bar and
5 upper end of shaft is connected, and 17 other end of rotating bar is connected with auxiliary block 16, has inclined work department 16a, and work in auxiliary block 16
The portion 16a of work can be in contact with 15 side of air bag is adjusted, and in the present embodiment, rotating bar 17 is in horizontally disposed.
Dynamic structure includes stepper motor 22, driving wheel 21, driven wheel 18 and belt 19, and stepper motor 22 is fixed on lifting
On plate 11, in the present embodiment, stepper motor 22 is fixed on by bolted connection on lifter plate 11；Stepper motor 22
Straight up, driving wheel 21 is fixed on the output shaft end of stepper motor 22 to output shaft, and in the present embodiment, driving wheel 21 passes through
The mode of key connection is fixed on the output shaft end of stepper motor 22；Driven wheel 18 is fixed on 5 upper end of shaft, in the present embodiment
In, driven wheel 18 is fixed on 5 upper end of shaft by way of key connection；Belt 19 be set in driving wheel 21 and driven wheel 18 it
Between.
Be further fixed on pedestal 1 controller 34, push-rod electric machine 6 and stepper motor 22 by circuit with 34 phase of controller
Even, in the present embodiment, for controller 34 using the microcontroller that can be bought in the market, the program that microcontroller controls motor is existing
, program need not update；Using the structure, it can control push-rod electric machine 6 and stepper motor 22 dynamic by controller 34
Make, intelligence degree is high.
The operation principle of agitating device is as follows：Raw material is put by feed inlet 3a in agitator 3, stepper motor is controlled
22 output shaft drives driving wheel 21 to rotate, and driving wheel 21 drives driven wheel 18 to rotate by belt 19, and driven wheel 18 is with turn
Axis 5 rotates, and shaft 5 drives mounting plate 29 to rotate, and mounting plate 29 drives stirring blade 33 to rotate, and stirring blade 33 is to agitator 3
Interior raw material is stirred；The push rod band movable slider 9 for controlling push-rod electric machine 6 is moved up and down along guide rod, and sliding block 9 drives lifter plate
11 move up and down, and lifter plate 11 drives shaft 5 to move up and down, and shaft 5 drives mounting plate 29 to move up and down, and mounting plate 29 drives fixed
Position air bag 24 moves up and down, and positioning gasbag 24 drives stirring blade 33 to move up and down, and stirring blade 33 is to 3 upper, middle and lower of agitator
Raw material is stirred；The drive rotating bar 17 of shaft 5 rotates, and rotating bar 17 drives auxiliary block 16 to rotate, auxiliary block 16 and adjusting gas
15 side of capsule is in contact repeatedly, exchanges solar term capsule 15 and carries out intermittent extruding；It controls vibrating motor 26 to work, vibrating motor 26 divides
Not Dai Dong vibrating mass 1 and about 2 28 vibrating mass shake, so that the raw material on 24 top of positioning gasbag is shaken and make positioning gasbag 24
The raw material of lower part is shaken, meanwhile, lifter plate 11 drives adjustable plate to move up and down, and adjustable plate contacts and right repeatedly with adjusting air bag 15
It is squeezed, and using the power of about 11 lifter plate, the volume of positioning gasbag 24 is made to increase or reduce, can be made positioning gasbag 24
The raw material on top flows up or the raw material of 24 lower part of positioning gasbag can also be made to flow downward, and the raw material in agitator 3 is fast
Speed stirs evenly, and mixing effect is good.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (7)
1. a kind of preparation method of solar cell front side silver paste glass powder, which is characterized in that include the following steps：
A, by weight percentage, raw material is weighed：PbO 35-65%, B2O312-20%, Al2O31-4%, ZnO 5-15%,
SiO23.8-7.6%, Li2O 0.5-2.5%, Ag2O 0.3-1.2%, TiO20.6-1.8%, MgO 1-3% and ZrO2 3-
7%；
B, each raw material in step a is put into togerther in agitating device, mixing time 20-40min, mixture is made；
C, the mixture in step b is poured into crucible, is put into Muffle furnace after capping, heating is melt into glass metal；
D, the glass metal in step c is directly poured into water carry out quenching, frit is made；
E, the frit in step d is put into baking oven, drying time 5-20min；
F, the frit dried is crushed, you can obtain glass powder.
2. the preparation method of solar cell front side silver paste glass powder according to claim 1, which is characterized in that described
Mixing speed in step b is 300-500r/min.
3. the preparation method of solar cell front side silver paste glass powder according to claim 1, which is characterized in that described
Crucible in step c is corundum crucible.
4. the preparation method of solar cell front side silver paste glass powder according to claim 3, which is characterized in that described
Heating melting temperature in step c is 1000-1200 DEG C, soaking time 30-70min.
5. the preparation method of solar cell front side silver paste glass powder according to claim 1, which is characterized in that described
Water in step d is deionized water.
6. the preparation method of solar cell front side silver paste glass powder according to claim 1, which is characterized in that described
Drying temperature in step e is 90-100 DEG C.
7. the preparation method of solar cell front side silver paste glass powder according to claim 1, which is characterized in that described
Crushing in step f is using airslide disintegrating mill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810281977.3A CN108529889A (en) | 2018-04-02 | 2018-04-02 | A kind of preparation method of solar cell front side silver paste glass powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810281977.3A CN108529889A (en) | 2018-04-02 | 2018-04-02 | A kind of preparation method of solar cell front side silver paste glass powder |
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| CN109499423A (en) * | 2018-12-29 | 2019-03-22 | 重庆医药高等专科学校 | A kind of burn and scald spray film medicament mixed stirring device |
| CN110033876A (en) * | 2019-05-16 | 2019-07-19 | 应炎冲 | A kind of crystal silicon photovoltaic cell aluminum slurry material and preparation method |
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Application publication date: 20180914 |