CN102610396B - Manufacturing method for formed foil of electrolytic capacitor of energy-saving lamp - Google Patents
Manufacturing method for formed foil of electrolytic capacitor of energy-saving lamp Download PDFInfo
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Abstract
The invention discloses a manufacturing method for a formed foil of an electrolytic capacitor of an energy-saving lamp. According to the manufacturing method, four-stage forming is carried out, and corresponding steps are adjusted, which comprises a one-time feed treatment step, a two-time phosphate treatment step, a three-time high-temperature treatment step all well as an additional step; and an oxidant is added in each stage of formation groove to improve process conditions of the formed foil in the production process, and further the chemical reaction temperature and the current density are reduced and the formation time is shortened. According to the manufacturing method disclosed by the invention, the time of each stage of formation time is shortened, electric energy consumed by producing the formed foil is saved by 10 percent and heat energy consumed by the formed foil is saved by 7 percent. The manufacturing method is high in production vehicle speed, high in efficiency and favorable in storage performance of products.
Description
Technical field
the present invention relates to capacitor formed aluminum foil, the manufacture method of particularly electricity-saving lamp electrolytic capacitor formed aluminum foil production.
Background technology
the manufacture method of formed foil used for medium-high pressure aluminum electrolytic capacitor is before this, by through excessive erosion, purity is the aluminium foil of 99.99%, flood 10 minutes in the pure water of 95 ~ 100 DEG C, taking out is placed in the aqueous solution of the adipic acid of 0.1wt% and the ammonium adipate of 2wt%, 85 DEG C, current density is 20mA/(cm
2
), voltage is under the condition of 200v, one-level changes into 18 minutes; Be placed in the aqueous solution of the boric acid of 7wt% and the ammonium pentaborate of 0.4wt% again, 85 DEG C, current density is 20mA/(cm
2
), voltage is under the condition of 430v, secondary changes into 18 minutes; Be placed in the aqueous solution of the boric acid of 7wt% and the ammonium pentaborate of 0.3wt% again, 85 DEG C, current density is 20mA/(cm
2
), voltage is under the condition of 530v, three grades change into 30 minutes; The high-temperature heat treatment 3 ~ 4 minutes of 500 DEG C is carried out after taking-up; And then be placed in the aqueous solution of the boric acid of 7wt% and the ammonium pentaborate of 0.3wt%, 85 DEG C, current density is 20mA/(cm
2
), voltage is under the condition of 530v, changes into 10 ~ 12 minutes, finally takes out, dry.The manufacture method of this electrode foil, technological requirement temperature is high, and current density is large, and consume energy high, production efficiency is low.
Summary of the invention
the object of the invention is for overcoming above-mentioned deficiency, and provide a kind of and not only can improve the quality of products, but also technological temperature can be reduced, reduce the manufacture method of the electrolytic capacitor Waste Acid From Hua Cheng Foil of energy consumption.
the present invention realizes above-mentioned technical purpose to solve by the following technical programs: the manufacture method of electricity-saving lamp electrolytic capacitor Waste Acid From Hua Cheng Foil, especially in level Four electrolytic bath every grade add oxidant to reduce chemical reaction temperature, current density, to change into time and energy consumption etc.; Described method carries out level Four successively to change into, and first three level is respectively an electrolysis tank, and the fourth stage is that multiple electrolysis tank composes in parallel.A feed process, two hypophosphorous acid process, three high temperature processing step are adopted to carry out.Electrolytic capacitor Waste Acid From Hua Cheng Foil manufacture method comprises the steps:
dipping: by through excessive erosion, purity be 99.99% aluminium foil temperature be in 93 ~ 95 DEG C of pure water process 16 ~ 20 minutes;
one-level changes into: the aluminium foil after dipping containing in the ammonium adipate aqueous solution of 1 ~ 2wt% hydrogen peroxide, the adipic acid of 1 ~ 5wt%, the boric acid of 1 ~ 3wt% and 3 ~ 5 wt%, temperature be 65 ~ 74.5 DEG C, current density is 15 ~ 19.5mA/(cm
2
), formation voltage is under the condition of 120V, changes into 6 ~ 7 minutes;
secondary changes into: the aluminium foil after one-level is changed in the ammonium adipate aqueous solution of the adipic acid of 1 ~ 2wt% hydrogen peroxide, 1 ~ 3wt%, the boric acid of 1 ~ 3wt% and 1.5 ~ 3wt%, at 65 ~ 74.5 DEG C, 15 ~ 19.5mA/(cm
2
), under the condition of 250V, change into 6 ~ 7 minutes;
liquid feed: the aluminium foil after secondary is changed in 20 ~ 40wt% ammonium adipate solution, 10 ~ 35 DEG C, under the condition of 10 ~ 30V and 700 ~ 1400A, electrolysis 6 ~ 15 minutes;
three grades change into: by the aluminium foil after liquid feed in the ammonium pentaborate aqueous solution of the boric acid of 1 ~ 2wt% hydrogen peroxide, 3 ~ 5wt%, 7 ~ 8wt%, 75 ~ 79.5 DEG C, 15 ~ 19.5mA/(cm
2
), under the condition of 420V, change into 6 ~ 7 minutes;
level Four first time changes into: by the aluminium foil after three grades change in the ammonium pentaborate aqueous solution of the boric acid of 1 ~ 2wt% hydrogen peroxide, 3 ~ 8wt%, 4 ~ 6wt%, 75 ~ 79.5 DEG C, 15 ~ 19.5mA/(cm
2
), under the condition of 530V, change into 6 ~ 7 minutes;
high-temperature process: aluminium foil was 500 ~ 550 DEG C of high-temperature heat treatment 2 ~ 3 minutes;
level Four second time changes into: by the aluminium foil after high-temperature process in the ammonium pentaborate aqueous solution of the boric acid of 3 ~ 8wt%, 4 ~ 6wt%, 75 ~ 79.5 DEG C, 8 ~ 10mA/(cm
2
), under the condition of 530V, repair and change into 2 ~ 3 minutes;
phosphoric acid process: by the aluminium foil chemical treatment 6 ~ 12 minutes in 3 ~ 6wt%, 60 ~ 80 DEG C of phosphoric acid solutions after repairing above
;
high-temperature process again: aluminium foil was 450 ~ 480 DEG C of high-temperature heat treatment 2 ~ 3 minutes;
level Four third time changes into: by the aluminium foil after high-temperature process in the ammonium pentaborate aqueous solution of the boric acid of 3 ~ 8wt%, 4 ~ 6wt%, 75 ~ 79.5 DEG C, 4 ~ 6mA/(cm
2
), under the condition of 530V, repair and change into 2 ~ 3 minutes;
phosphoric acid process again: by the aluminium foil chemical treatment 3 ~ 6 minutes in 1 ~ 3wt%, 50 ~ 80 DEG C of phosphoric acid solutions after repairing above;
three high-temperature process: aluminium foil was 420 ~ 450 DEG C of high-temperature heat treatment 2 ~ 3 minutes;
level Four changes into for the 4th time: by the aluminium foil after high-temperature process in the ammonium pentaborate aqueous solution of the boric acid of 3 ~ 8wt%, 4 ~ 6wt%, 70 ~ 79.5 DEG C, 0.1 ~ 1mA/(cm
2
), under the condition of 530V, repair and change into 1 ~ 2 minute; Take out, clean, dry.
present invention improves over the process conditions that medium-high pressure chemical foil is produced, in level Four changes into, have employed a feed process, two hypophosphorous acid process, three high temperature processing step improvement Waste Acid From Hua Cheng Foil performances and storage time.Especially reduce electrolytic bath chemical reaction temperature, current density and the time that changes into every one-level in level Four changes into and all add oxidant; Described oxidant is oxygen or hydrogen peroxide, and the most frequently used is hydrogen peroxide.
adopt and present invention reduces the temperature of chemical reaction, the current density of electrochemical reaction, the times changed at different levels of shortening, saved Waste Acid From Hua Cheng Foil production institute consuming electric power 10%, heat energy 7%, and the fast efficiency of the production speed of a motor vehicle is high, product storage performance is good.
Embodiment
Embodiment 1:
by purity be 99.99% aluminium foil flood in the pure water of 93 DEG C after 16 minutes; Be placed in the ammonium adipate aqueous solution of 1wt% hydrogen peroxide, the adipic acid of 5wt%, the boric acid of 3wt% and 5wt%, at 65 DEG C, 15mA/(cm
2
), under the condition of 120V, after changing into 6 minutes; Be placed in the ammonium adipate aqueous solution of 1wt% hydrogen peroxide, the adipic acid of 3wt%, the boric acid of 3wt% and 3wt%, 70 DEG C, 15mA/(cm
2
), under the condition of 250V, after changing into 6 minutes; Aluminium foil after secondary being changed into after cleaning in 20wt% ammonium adipate solution, 35 DEG C, under the condition of 30V and 1400A, electrolysis 15 minutes; Cleaning is placed in the ammonium pentaborate aqueous solution of 1wt% hydrogen peroxide, the boric acid of 5wt%, 8wt%, 79.5 DEG C, 19.5mA/(cm
2
), under the condition of 420V, after changing into 6 minutes; Be placed in 1wt% hydrogen peroxide, the boric acid of 8wt%, the ammonium pentaborate aqueous solution of 6wt%, at 79.5 DEG C, 19.5mA/(cm
2
), under the condition of 530v, after changing into 7.8 minutes; Be placed in 550 DEG C of high-temperature process 2 minutes; Be placed in the ammonium pentaborate aqueous solution of the boric acid of 8wt%, 6wt%, at 79.5 DEG C, 10mA/(cm
2
), under the condition of 530v, repair and change into 3 minutes; Cleaning is placed on 65 DEG C, chemical treatment 10 minutes in 6wt% phosphoric acid; Cleaning is placed on 480 DEG C of high-temperature process 2 minutes; Be placed in the ammonium pentaborate aqueous solution of the boric acid of 8wt%, 6wt%, at 79.5 DEG C, 6mA/(cm
2
), under the condition of 530v, repair and change into 3 minutes; Cleaning is placed on 55 DEG C, chemical treatment 3 minutes in 3wt% phosphoric acid; Cleaning is placed on 420 DEG C of high-temperature process 2 minutes; Be placed in the ammonium pentaborate aqueous solution of the boric acid of 8wt%, 6wt%, at 79.5 DEG C, 1mA/(cm
2
), under the condition of 530v, repair and change into 2 minutes, take out, cleaning, dry.
Embodiment 2:
by purity be 99.99% aluminium foil flood in the pure water of 95 DEG C after 20 minutes; Be placed in the ammonium adipate aqueous solution of 2wt% hydrogen peroxide, the adipic acid of 1wt%, the boric acid of 1wt% and 3wt%, at 74.5 DEG C, 19.5mA/(cm
2
), under the condition of 120V, after changing into 7 minutes; Be placed in the ammonium adipate aqueous solution of 2wt% hydrogen peroxide, the adipic acid of 1wt%, the boric acid of 1wt% and 1.5wt%, 74.5 DEG C, 19.5mA/(cm
2
), under the condition of 250V, after changing into 7 minutes; Aluminium foil after secondary being changed into after cleaning in 40wt% ammonium adipate solution, 10 DEG C, under the condition of 10V and 700A, electrolysis 10 minutes; Cleaning is placed in the ammonium pentaborate aqueous solution of 2wt% hydrogen peroxide, the boric acid of 3wt%, 7wt%, 75 DEG C, 15mA/(cm
2
), under the condition of 420V, after changing into 7 minutes; Be placed in 2wt% hydrogen peroxide, the boric acid of 3wt%, the ammonium pentaborate aqueous solution of 4wt%, at 75 DEG C, 15mA/(cm
2
), under the condition of 530v, after changing into 6 minutes; Be placed in 500 DEG C of high-temperature process 3 minutes; Be placed in the ammonium pentaborate aqueous solution of the boric acid of 3wt%, 4wt%, at 75 DEG C, 8mA/(cm
2
), under the condition of 530v, repair and change into 2 minutes; Cleaning is placed on 70 DEG C, chemical treatment 12 minutes in 3wt% phosphoric acid; Cleaning is placed on 450 DEG C of high-temperature process 3 minutes; Be placed in the ammonium pentaborate aqueous solution of the boric acid of 3wt%, 4wt%, at 75 DEG C, 4mA/(cm
2
), under the condition of 530v, repair and change into 2 minutes; Cleaning is placed on 50 DEG C, chemical treatment 6 minutes in 1wt% phosphoric acid; Cleaning is placed on 450 DEG C of high-temperature process 3 minutes; Be placed in the ammonium pentaborate aqueous solution of the boric acid of 3wt%, 4wt%, at 75 DEG C, 0.1mA/(cm
2
), under the condition of 530v, repair and change into 1 minute, take out, cleaning, dry.
Embodiment 3:
by purity be 99.99% aluminium foil flood in the pure water of 94 DEG C after 18 minutes; Be placed in the ammonium adipate aqueous solution of 1.5wt% hydrogen peroxide, the adipic acid of 3wt%, the boric acid of 2wt% and 4wt%, at 70 DEG C, 16mA/(cm
2
), under the condition of 120V, after changing into 6.5 minutes; Be placed in the ammonium adipate aqueous solution of 1.5wt% hydrogen peroxide, the adipic acid of 2wt%, the boric acid of 2wt% and 2wt%, 65 DEG C, 16mA/(cm
2
), under the condition of 250V, after changing into 6.5 minutes; Aluminium foil after secondary being changed into after cleaning in 30wt% ammonium adipate solution, 25 DEG C, under the condition of 20V and 1200A, electrolysis 12 minutes; Cleaning is placed in the ammonium pentaborate aqueous solution of 1.5wt% hydrogen peroxide, the boric acid of 4wt%, 7.5wt%, 76 DEG C, 17mA/(cm
2
), under the condition of 420V, after changing into 6.5 minutes; Be placed in 1.5wt% hydrogen peroxide, the boric acid of 5wt%, the ammonium pentaborate aqueous solution of 5wt%, at 77 DEG C, 17mA/(cm
2
), under the condition of 530v, after changing into 7.2 minutes; Be placed in 520 DEG C of high-temperature process 2.5 minutes; Be placed in the ammonium pentaborate aqueous solution of the boric acid of 6wt%, 5wt%, at 77 DEG C, 8.5mA/(cm
2
), under the condition of 530v, repair and change into 2.5 minutes; Cleaning is placed on 68 DEG C, chemical treatment 9 minutes in 5wt% phosphoric acid; Cleaning is placed on 460 DEG C of high-temperature process 2.5 minutes; Be placed in the ammonium pentaborate aqueous solution of the boric acid of 4wt%, 5wt%, at 77 DEG C, 4.5mA/(cm
2
), under the condition of 530v, repair and change into 2.5 minutes; Cleaning is placed on 60 DEG C, chemical treatment 5 minutes in 2wt% phosphoric acid; Cleaning is placed on 440 DEG C of high-temperature process 2.5 minutes; Be placed in the ammonium pentaborate aqueous solution of the boric acid of 4wt%, 4.5wt%, at 72 DEG C, 0.5mA/(cm
2
), under the condition of 530v, repair and change into 1.5 minutes, take out, cleaning, dry.
Claims (4)
1. a manufacture method for electricity-saving lamp electrolytic capacitor Waste Acid From Hua Cheng Foil, its feature comprises the steps:
Dipping: by through excessive erosion, purity be 99.99% aluminium foil temperature be in 93 ~ 95 DEG C of pure water process 16 ~ 20 minutes;
One-level changes into: the aluminium foil after dipping containing in the ammonium adipate aqueous solution of 1 ~ 2wt% hydrogen peroxide, the adipic acid of 1 ~ 5wt%, the boric acid of 1 ~ 3wt% and 3 ~ 5wt%, temperature be 65 ~ 74.5 DEG C, current density is 15 ~ 19.5mA/cm
2, formation voltage is under the condition of 120V, changes into 6 ~ 7 minutes;
Secondary changes into: the aluminium foil after one-level is changed in the ammonium adipate aqueous solution of the adipic acid of 1 ~ 2wt% hydrogen peroxide, 1 ~ 3wt%, the boric acid of 1 ~ 3wt% and 1.5 ~ 3wt%, at 65 ~ 74.5 DEG C, 15 ~ 19.5mA/cm
2, 250V condition under, change into 6 ~ 7 minutes;
Liquid feed: the aluminium foil after secondary is changed in 20 ~ 40wt% ammonium adipate solution, 10 ~ 35 DEG C, under the condition of 10 ~ 30V and 700 ~ 1400A, electrolysis 6 ~ 15 minutes;
Three grades change into: by the aluminium foil after liquid feed in the ammonium pentaborate aqueous solution of the boric acid of 1 ~ 2wt% hydrogen peroxide, 3 ~ 5wt%, 7 ~ 8wt%, 75 ~ 79.5 DEG C, 15 ~ 19.5mA/cm
2, 420V condition under, change into 6 ~ 7 minutes;
Level Four first time changes into: by the aluminium foil after three grades change in the ammonium pentaborate aqueous solution of the boric acid of 1 ~ 2wt% hydrogen peroxide, 3 ~ 8wt%, 4 ~ 6wt%, 75 ~ 79.5 DEG C, 15 ~ 19.5mA/cm
2, 530V condition under, change into 6 ~ 7 minutes;
High-temperature process: aluminium foil was 500 ~ 550 DEG C of high-temperature heat treatment 2 ~ 3 minutes;
Level Four second time changes into: by the aluminium foil after high-temperature process in the ammonium pentaborate aqueous solution of the boric acid of 3 ~ 8wt%, 4 ~ 6wt%, 75 ~ 79.5 DEG C, 8 ~ 10mA/cm
2, 530V condition under, repair change into 2 ~ 3 minutes;
Phosphoric acid process: by the aluminium foil chemical treatment 6 ~ 12 minutes in 3 ~ 6wt%, 60 ~ 80 DEG C of phosphoric acid solutions after repairing above;
High-temperature process again: aluminium foil was 450 ~ 480 DEG C of high-temperature heat treatment 2 ~ 3 minutes;
Level Four third time changes into: by the aluminium foil after high-temperature process in the ammonium pentaborate aqueous solution of the boric acid of 3 ~ 8wt%, 4 ~ 6wt%, 75 ~ 79.5 DEG C, 4 ~ 6mA/cm
2, 530V condition under, repair change into 2 ~ 3 minutes;
Phosphoric acid process again: by the aluminium foil chemical treatment 3 ~ 6 minutes in 1 ~ 3wt%, 50 ~ 80 DEG C of phosphoric acid solutions after repairing above;
Three high-temperature process: aluminium foil was 420 ~ 450 DEG C of high-temperature heat treatment 2 ~ 3 minutes;
Level Four changes into for the 4th time: by the aluminium foil after high-temperature process in the ammonium pentaborate aqueous solution of the boric acid of 3 ~ 8wt%, 4 ~ 6wt%, 70 ~ 79.5 DEG C, 0.1 ~ 1mA/cm
2, 530V condition under, repair change into 1 ~ 2 minute, take out, cleaning, dry.
2. the manufacture method of electricity-saving lamp electrolytic capacitor Waste Acid From Hua Cheng Foil according to claim 1, is characterized in that changing into chemical reaction temperature, current density and time add oxidant for reducing in every grade of electrolytic bath.
3. the manufacture method of electricity-saving lamp electrolytic capacitor Waste Acid From Hua Cheng Foil according to claim 2, described oxidant is oxygen or hydrogen peroxide.
4. the manufacture method of electricity-saving lamp electrolytic capacitor Waste Acid From Hua Cheng Foil according to claim 1, is characterized in that for improving Waste Acid From Hua Cheng Foil performance and stable storing adopts a feed process, two hypophosphorous acid process and three high-temperature process.
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| CN201110022560.3A CN102610396B (en) | 2011-01-20 | 2011-01-20 | Manufacturing method for formed foil of electrolytic capacitor of energy-saving lamp |
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| CN102610396B true CN102610396B (en) | 2015-04-01 |
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| CN103160902B (en) * | 2012-12-13 | 2015-12-23 | 宝兴县剑锋制箔电子有限公司 | Middle-high voltage electrode foil 5 sections changes into 2 grades of liquid feedback production methods |
| CN104711663B (en) * | 2013-12-15 | 2017-05-31 | 江苏荣生电子有限公司 | It is a kind of to use seven grades of middle-high voltage electrode foil manufacture methods of different hair engaging aperture conditions |
| CN109378218B (en) * | 2018-11-19 | 2020-09-29 | 立敦电子科技（惠州）有限公司 | Method for manufacturing high-stability low-voltage aluminum electrolytic capacitor formed foil |
| CN110144612B (en) * | 2019-04-12 | 2020-11-03 | 浙江丰川电子环保科技股份有限公司 | Anode foil formation process |
| CN110189932B (en) * | 2019-06-12 | 2021-11-09 | 宝兴县剑锋制箔电子有限公司 | Electrode foil and preparation method and application thereof |
| CN110172728A (en) * | 2019-06-12 | 2019-08-27 | 宝兴县剑锋制箔电子有限公司 | Feed liquid and its application, electrode foil and preparation method thereof |
| CN110158137A (en) * | 2019-06-21 | 2019-08-23 | 广西贺州市桂东电子科技有限责任公司 | A kind of anode foils chemical synthesizing method |
| CN110517892B (en) * | 2019-09-18 | 2021-01-26 | 南通海星电子股份有限公司 | Method for manufacturing electrode foil for solid aluminum electrolytic capacitor |
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Effective date of registration: 20170323 Address after: 833200 the Xinjiang Uygur Autonomous Region Yili Kazak Autonomous Prefecture of Kuitun city - building 28 North Sau unity Patentee after: Xinjiang Rong Rong aluminum foil manufacturing Co., Ltd. Address before: Ya'an City, Sichuan province 625100 Mingshan Mengding town Huxiao Qiaodong Street No. 2 Patentee before: Sichuan Yaan Aihua Electrode Foil Co., Ltd. |
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