CN103447187A - Calculation method for controlling speed of spraying machine according to catalyst loading - Google Patents
Calculation method for controlling speed of spraying machine according to catalyst loading Download PDFInfo
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- CN103447187A CN103447187A CN2012101731626A CN201210173162A CN103447187A CN 103447187 A CN103447187 A CN 103447187A CN 2012101731626 A CN2012101731626 A CN 2012101731626A CN 201210173162 A CN201210173162 A CN 201210173162A CN 103447187 A CN103447187 A CN 103447187A
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- catalyst
- spraying
- flush coater
- speed
- time
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Abstract
The invention discloses a calculation method for controlling the speed of a spraying machine according to catalyst loading. The calculation method includes the steps: setting the total quantity, the quality and the loading of catalysts; determining a spraying area according to the catalyst loading; setting the flow speed of the spraying machine and the spraying speed in the length direction and the width direction in the spraying area; calculating spraying time of the spraying machine in the length direction and the moving line number of the spraying machine in the width direction according to the flow speed and the spraying speed; calculating total time of movement of the spraying machine in the length direction and the width direction in the spraying area; adding the spraying time and the total time together to obtain total consumed time of movement of the spraying machine in the spraying area; dividing the set total quantity of the catalysts by the calculated total consumed time of movement of the spraying machine in the spraying area to obtain the speed of the spraying machine in the spraying area. By the method, the speed of the spraying machine can be calculated and controlled according to the catalyst loading, technological requirements of membrane electrodes for spraying the catalysts are met, and the quality of the membrane electrodes is improved.
Description
Technical field
The present invention relates to a kind of computational methods of controlling flush coater speed with catalyst load amount.
Background technology
In fuel cell or field of thin film solar cells, the technique that membrane electrode spraying catalyst is arranged, this technique is indispensable, due to the preparation of catalyst often various ratios local adjustment is arranged, therefore in same capacity, its proportion may be different, and in 10ml solution, its proportion may be from several milligrams to tens milligrams.Therefore must control the catalyst load amount of every square centimeter in the flush coater operation, for example: 0.3mg/cm
2, transverse shifting speed and the mobile line-spacing that needs to control the flush coater shower nozzle like this.And, when the traditional catalyst spraying operation, often flush coater speed not take catalyst load amount as controlling according to enforcement, thereby cause the catalyst spraying can't meet technological requirement, affected the quality of fuel cell or thin-film solar cells membrane electrode.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of computational methods of controlling flush coater speed with catalyst load amount, utilize this method catalyst load amount to calculate and to control flush coater speed for foundation, meet the technological requirement of membrane electrode spraying catalyst, improved the quality of membrane electrode.
For solving the problems of the technologies described above, the computational methods that the present invention controls flush coater speed with catalyst load amount comprise the steps:
Step 1, setting catalyst total amount are the A milliliter, and wherein catalyst quality is the B milligram, and catalyst load amount is C milligram/square centimeter;
Step 2, catalyst spray area S=B/C, and the length of spray area is X, width is Y,
S=X*Y;
Step 3, setting flush coater catalyst spraying flow velocity are the L ml/min, spray the time T=A/L consuming time of A milliliter catalyst, and preseting length direction spraying rate V
x=1 m/min, width spraying rate V
y=V
x/ 5=0.2 m/min;
Step 4, flush coater spray t=X/V consuming time at length direction
x, because A milliliter catalyst need spray in the time at T, flush coater is at the mobile line number G=T/t of width;
Step 5, the flush coater length direction in spray area moves total time T
x=t*G, move total time T at width
y=Y/V
y=Y/0.2,
The T'=T total consuming time that flush coater moves in spray area
x+ T
y=t*G+ Y/0.2;
Step 6, according to the T' total consuming time of flush coater in the catalyst total amount A set and the spray area that calculates according to catalyst load amount C, obtain controlling in spray area the speed of flush coater
V=A/?T'=A/?t*G+?Y/0.2
Be that flush coater be take speed V A milliliter catalyst is sprayed to length in the spray area that X, width are Y.
The computational methods of controlling flush coater speed with catalyst load amount due to the present invention have adopted technique scheme, set the catalyst total amount, quality and load amount, measure spray area according to the catalyst load, set the flush coater flow velocity, the spraying rate of length direction and width in spray area, calculate accordingly flush coater consuming time and in the mobile line number of width in the spraying of length direction, and calculate the total time that flush coater length direction and width in spray area move, and both additions obtain that flush coater moves in spray area always consuming time, always consuming time according to what in the catalyst total amount of setting and the spray area that calculates, flush coater moved, and both are divided by and can obtain the speed of flush coater in spray area.This method can catalyst load amount be according to calculating and control flush coater speed, meets the technological requirement of membrane electrode spraying catalyst, has improved the quality of membrane electrode.
The specific embodiment
The computational methods that the present invention controls flush coater speed with catalyst load amount comprise the steps:
Step 1, setting catalyst total amount are the A milliliter, and wherein catalyst quality is the B milligram, and catalyst load amount is C milligram/square centimeter;
Step 2, catalyst spray area S=B/C, and the length of spray area is X, width is Y,
S=X*Y;
Step 3, setting flush coater catalyst spraying flow velocity are the L ml/min, spray the time T=A/L consuming time of A milliliter catalyst, and preseting length direction spraying rate V
x=1 m/min, width spraying rate V
y=V
x/ 5=0.2 m/min;
Step 4, flush coater spray t=X/V consuming time at length direction
x, because A milliliter catalyst need spray in the time at T, flush coater is at the mobile line number G=T/t of width;
Step 5, the flush coater length direction in spray area moves total time T
x=t*G, move total time T at width
y=Y/V
y=Y/0.2,
The T'=T total consuming time that flush coater moves in spray area
x+ T
y=t*G+ Y/0.2;
Step 6, according to the T' total consuming time of flush coater in the catalyst total amount A set and the spray area that calculates according to catalyst load amount C, obtain controlling in spray area the speed of flush coater
V=A/?T'=A/?t*G+?Y/0.2
Be that flush coater be take speed V A milliliter catalyst is sprayed to length in the spray area that X, width are Y.
As concrete embodiment, as catalyst is chosen Pt/C, setting the catalyst total amount is 10ml, and wherein catalyst quality is 12mg, and catalyst load amount is 0.2mg/cm
2, the catalyst spray area is 12mg/0.2mg/cm
2=60 cm
2, and the length and width of setting spray area are 10cmX6cm; Setting flush coater catalyst spraying flow velocity is 1ml/min, and spraying 10 milliliters of catalyst consuming time is 10ml/1ml/min=10min, and preseting length direction spraying rate is 1 m/min, and the width spraying rate is 0.2 m/min; Flush coater sprays 10cm/1 consuming time m/min=0.1min at length direction, and because the 10ml catalyst need spray in 10min, flush coater is 10min/0.1min=100 in the mobile line number of width, and flush coater need move 100 times at width; According to above-mentioned calculating, obtaining the length direction of flush coater in spray area, to move total time be 0.1min*100=10min, moving total time at width is 6cm/0.2m/min=0.3min, both add up to flush coater mobile total time in spray area is 10.3min, be that flush coater need be sprayed at the 10ml catalyst in the spray area of 10cmX6cm in 10.3min, the speed that obtains thus flush coater is 10ml/10.3min=0.97ml/min.
This method calculates according to the load amount of catalyst the speed of controlling flush coater, make the catalyst spraying more accurate, guarantee the spraying load amount of unit are inner catalyst, thereby improved the quality of fuel cell or thin-film solar cells membrane electrode, improved the performance of battery.
Claims (1)
1. computational methods of controlling flush coater speed with catalyst load amount, is characterized in that this method comprises the steps:
Step 1, setting catalyst total amount are the A milliliter, and wherein catalyst quality is the B milligram, and catalyst load amount is C milligram/square centimeter;
Step 2, catalyst spray area S=B/C, and the length of spray area is X, width is Y,
S=X*Y;
Step 3, setting flush coater catalyst spraying flow velocity are the L ml/min, spray the time T=A/L consuming time of A milliliter catalyst, and preseting length direction spraying rate V
x=1 m/min, width spraying rate V
y=V
x/ 5=0.2 m/min;
Step 4, flush coater spray t=X/V consuming time at length direction
x, because A milliliter catalyst need spray in the time at T, flush coater is at the mobile line number G=T/t of width;
Step 5, the flush coater length direction in spray area moves total time Tx=t*G, at width, moves total time T
y=Y/V
y=Y/0.2,
The total consuming time T'=T of flush coater in spray area
x+ T
y=t*G+ Y/0.2;
Step 6, according to the T' total consuming time of flush coater in the catalyst total amount A set and the spray area that calculates according to catalyst load amount C, obtain controlling in spray area the speed of flush coater
V=A/?T'=A/?t*G+?Y/0.2
Be that flush coater be take speed V A milliliter catalyst is sprayed to length in the spray area that X, width are Y.
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Citations (7)
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EP0412289A2 (en) * | 1989-08-11 | 1991-02-13 | ITW Gema AG | Electrostatic spray device |
EP0297309B1 (en) * | 1987-07-02 | 1993-12-22 | ITW Gema AG | Process and device for metering and regulating the powder flow in a powder spray coating installation |
CN101276919A (en) * | 2008-05-12 | 2008-10-01 | 南京工业大学 | Preparation technique for membrane electrode of proton exchange film fuel cell |
CN101355166A (en) * | 2007-07-26 | 2009-01-28 | 上海空间电源研究所 | Method for preparing membrane electrode of fuel batter with proton exchange film |
CN101425583A (en) * | 2007-11-02 | 2009-05-06 | 清华大学 | Fuel cell membrane electrode and preparation thereof |
CN101856652A (en) * | 2009-04-10 | 2010-10-13 | 上海蓝蔚科技发展有限公司 | Spraying method of proton exchange membrane catalyst for fuel battery |
CN102101085A (en) * | 2009-12-16 | 2011-06-22 | 中国科学院大连化学物理研究所 | Automatic spraying device for preparing fuel cell membrane electrode |
-
2012
- 2012-05-30 CN CN2012101731626A patent/CN103447187A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0297309B1 (en) * | 1987-07-02 | 1993-12-22 | ITW Gema AG | Process and device for metering and regulating the powder flow in a powder spray coating installation |
EP0412289A2 (en) * | 1989-08-11 | 1991-02-13 | ITW Gema AG | Electrostatic spray device |
CN101355166A (en) * | 2007-07-26 | 2009-01-28 | 上海空间电源研究所 | Method for preparing membrane electrode of fuel batter with proton exchange film |
CN101425583A (en) * | 2007-11-02 | 2009-05-06 | 清华大学 | Fuel cell membrane electrode and preparation thereof |
CN101276919A (en) * | 2008-05-12 | 2008-10-01 | 南京工业大学 | Preparation technique for membrane electrode of proton exchange film fuel cell |
CN101856652A (en) * | 2009-04-10 | 2010-10-13 | 上海蓝蔚科技发展有限公司 | Spraying method of proton exchange membrane catalyst for fuel battery |
CN102101085A (en) * | 2009-12-16 | 2011-06-22 | 中国科学院大连化学物理研究所 | Automatic spraying device for preparing fuel cell membrane electrode |
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Application publication date: 20131218 |