JPH1190586A - Method for continuously casting grid body for lead accumulator - Google Patents
Method for continuously casting grid body for lead accumulatorInfo
- Publication number
- JPH1190586A JPH1190586A JP9251523A JP25152397A JPH1190586A JP H1190586 A JPH1190586 A JP H1190586A JP 9251523 A JP9251523 A JP 9251523A JP 25152397 A JP25152397 A JP 25152397A JP H1190586 A JPH1190586 A JP H1190586A
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- lead
- nozzle
- grid
- supplied
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、鉛蓄電池用格子体
の連続鋳造法に関するものであり、格子体の表面に異な
る組成の合金層をコーテイングすることを目的としてい
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for continuously casting a grid for a lead-acid battery, and has an object to coat an alloy layer having a different composition on the surface of the grid.
【０００２】[0002]
【従来の技術】鉛蓄電池用格子体の連続鋳造装置は、特
公昭５８−３７０５７号公報に開示されているように、
高速で連続的に格子体を生産する技術として開発されて
いる。この装置は図３に示すように、円筒形をした回転
するドラム１の周面に鉛蓄電池用格子体の形状に彫り込
み８が形成されている。このドラム１を回転させなが
ら、ドラム１の周面に密着させて設置したノズル３より
鉛を主成分とする合金の溶湯を連続的に供給して凝固さ
せ、格子体５を鋳造するものである。鋳造された格子体
５はドラム１の回転に伴ってローラー６をガイドとして
取り出される。2. Description of the Related Art An apparatus for continuously casting a grid for a lead-acid battery is disclosed in Japanese Patent Publication No. 58-37057.
It has been developed as a technology for producing grids continuously at high speed. In this device, as shown in FIG. 3, an engraving 8 is formed in the shape of a grid for a lead storage battery on the peripheral surface of a rotating drum 1 having a cylindrical shape. While rotating the drum 1, a molten metal of an alloy containing lead as a main component is continuously supplied from a nozzle 3 installed in close contact with the peripheral surface of the drum 1 to solidify and cast a lattice body 5. . The cast lattice 5 is taken out with the roller 6 as a guide as the drum 1 rotates.
【０００３】[0003]
【発明が解決しようとする課題】従来の鉛蓄電池用格子
体の連続鋳造装置は図３に示されるように、一個のドラ
ム１に対してノズル３は一個だけ設置されていた。した
がって、生産される格子体は、どの部分でも合金組成が
同一のものであった。一方、特開昭６１−２００６７０
号公報に示されているように、エキスパンド格子体の表
面に格子体と異なる組成の合金をコーティングすること
によって鉛蓄電池性能を改善する方法が最近行われてい
る。本発明が解決しようとする課題は、異種金属をコー
ティングした格子体を連続鋳造によって製造することで
ある。As shown in FIG. 3, in a conventional continuous casting apparatus for a grid for a lead-acid battery, only one nozzle 3 is provided for one drum 1. Therefore, the produced lattices had the same alloy composition in any part. On the other hand, JP-A-61-200670
As disclosed in Japanese Patent Application Laid-Open Publication No. H10-157, a method of improving the performance of a lead-acid battery by coating the surface of an expanded grid with an alloy having a composition different from that of the grid has been recently performed. The problem to be solved by the present invention is to manufacture a lattice body coated with a dissimilar metal by continuous casting.
【０００４】[0004]
【課題を解決するための手段】上述した課題を解決する
ため、本発明では図１に示す方法で、格子体の表面に格
子体と異なる組成の合金層をコーティングした。すなわ
ち、一つのドラム１に対して２個のノズル２、３を設置
し、それぞれのノズルに合金組成の異なる溶湯を供給す
る。すなわち、１段目のノズル２に供給した溶湯によっ
て図２に示すような格子体の骨格４を形成し、格子体の
骨格４をドラム周辺の彫り込み８に保持したまま、２段
目に設置したノズル３に送る。そして、２段目に設置し
たノズル３に供給した溶湯で格子体の骨格４の片面にコ
ーテイング層７を形成する。その結果、２層構造をした
格子体５の製造が可能となる。なお、ノズルは１個のド
ラムに２個に限らず、３個以上設置してもよい。ノズル
を３個設置した場合には、２種類のコーテイング層を形
成することができる。In order to solve the above-mentioned problems, in the present invention, an alloy layer having a composition different from that of the lattice is coated on the surface of the lattice by the method shown in FIG. That is, two nozzles 2 and 3 are provided for one drum 1 and molten metal having a different alloy composition is supplied to each nozzle. That is, a skeleton 4 of a lattice body as shown in FIG. 2 is formed by the molten metal supplied to the nozzle 2 of the first stage, and the skeleton 4 of the lattice body is installed in the second stage while being held by the engraving 8 around the drum. Send to nozzle 3. Then, a coating layer 7 is formed on one surface of the skeleton 4 of the lattice body with the molten metal supplied to the nozzle 3 installed in the second stage. As a result, it is possible to manufacture the lattice body 5 having a two-layer structure. The number of nozzles is not limited to two on one drum, and three or more nozzles may be provided. When three nozzles are provided, two types of coating layers can be formed.
【０００５】[0005]
【発明の実施の形態】図１に本発明で使用する鉛蓄電池
用格子体の連続鋳造装置の一例を示す。ドラム１は外径
が４１３ｍｍ、幅が２２０ｍｍ、材質がＦＣＤ３５０で
あり、その周面には格子体の形状が彫り込まれている。
ノズル２、３はアルミ青銅製であり、ドラム１との接触
部の長さが円周方向に１２０ｍｍで、ドラム１の上半分
の位置で約１１０度の角度をもって二個設置した。ノズ
ル２、３の温度を２５０℃、ドラム１の温度を１３０
℃、ドラム１の回転速度を２５ｒｐｍとした。ノズル
２、３に異なる合金組成の溶湯を供給する。まず、ノズ
ル２に供給した合金溶湯によって格子体の骨格４を鋳造
し、これをドラム周辺の彫り込み８に保持したまま、ノ
ズル３の位置まで送る。そして、ノズル３に供給した合
金溶湯により格子体の骨格４の片面をコーテイングす
る。鋳造した格子体５を、ノズル３の後方でローラー６
をガイドとして取り出す。DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an example of a continuous casting apparatus for a grid for a lead-acid battery used in the present invention. The drum 1 has an outer diameter of 413 mm, a width of 220 mm, and a material of FCD350, and its peripheral surface is engraved with a lattice.
The nozzles 2 and 3 were made of aluminum bronze, the length of the contact portion with the drum 1 was 120 mm in the circumferential direction, and two nozzles were installed at an upper half position of the drum 1 at an angle of about 110 degrees. The temperature of the nozzles 2 and 3 is 250 ° C., and the temperature of the drum 1 is 130
° C and the rotation speed of the drum 1 was 25 rpm. A molten metal having a different alloy composition is supplied to the nozzles 2 and 3. First, the skeleton 4 of the lattice body is cast from the molten alloy supplied to the nozzle 2, and is sent to the position of the nozzle 3 while being held by the engraving 8 around the drum. Then, one side of the skeleton 4 of the lattice body is coated with the molten alloy supplied to the nozzle 3. The cast lattice 5 is placed behind the nozzle 3 with rollers 6
Take out as a guide.
【０００６】[0006]
（実施例）図１の連続鋳造装置を用い、４８０〜４９０
℃に加熱した合金組成がＰｂ−１．６５％Ｓｂの溶湯
を、ノズル２に給湯して凝固させて格子体の骨格４を鋳
造する。その後、３００℃に加熱した、４０％Ｐｂ−６
０％Ｓｎの合金組成の溶湯をノズル３に供給して、先に
鋳造した格子体の骨格４の片面にコーティング層７を形
成した（図２）。なお、Ｐｂ−１．６５％Ｓｂの平衡凝
固温度は約３２０℃であり、４０％Ｐｂ−６０％Ｓｎの
平衡凝固温度は約１８５℃である。このようにして、表
面をコーテイングした格子体５に活物質を充填して作製
した正極と、従来から使用している負極とを組合せて５
５Ｄ２３型電池を作製し、この電池を本発明品と呼ぶ。
一方、４０％Ｐｂ−６０％Ｓｎ合金をコーテイングして
いない格子体に活物質を充填して作製した正極と、従来
から使用している負極とを組合せて作製した５５Ｄ２３
型電池を比較例と呼ぶ。これら作製した電池を、ＳＢＡ
−１００３規格に準拠した試験方法で充放電試験をし
た。その試験方法は、７５℃の水槽中で、１４．８Ｖの
定電圧で１０分間充電し、２５Ａで４分間放電する。こ
のパターンでの充放電サイクルを１サイクルとし、電解
液の減液量を４８０サイクルごとに測定した結果を図４
に示す。図４より、格子体の表面に４０％Ｐｂ−６０％
Ｓｎ合金をコーテイングすることによって、減液量を大
幅に低減できる。なお、実施例ではＰｂ−Ｓｎ合金を格
子体の表面にコーテイングする場合について述べたが、
ノズル３にＳｎ、Ｐｂや、Ｐｂ−Ｃａ−Ｓｎ合金などの
溶湯を供給して、格子体の一部をそれらの合金でコーテ
イングすることも可能である。(Example) Using the continuous casting apparatus of FIG.
A molten metal having an alloy composition of Pb-1.65% Sb heated to ℃ is supplied to the nozzle 2 and solidified to cast the lattice skeleton 4. Then, it heated to 300 degreeC, 40% Pb-6
A molten metal having an alloy composition of 0% Sn was supplied to the nozzle 3 to form a coating layer 7 on one surface of the skeleton 4 of the previously cast lattice body (FIG. 2). The equilibrium solidification temperature of Pb-1.65% Sb is about 320 ° C, and the equilibrium solidification temperature of 40% Pb-60% Sn is about 185 ° C. In this way, the positive electrode produced by filling the active material into the grid body 5 whose surface is coated and the negative electrode conventionally used are combined.
A 5D23 type battery was manufactured, and this battery is referred to as a product of the present invention.
On the other hand, a 55D23 produced by combining a positive electrode produced by filling an active material into a lattice body not coated with a 40% Pb-60% Sn alloy and a conventionally used negative electrode.
The type battery is referred to as a comparative example. These fabricated batteries are referred to as SBA
A charge / discharge test was performed by a test method based on the -1003 standard. The test method is as follows: in a water bath at 75 ° C., charge at a constant voltage of 14.8 V for 10 minutes, and discharge at 25 A for 4 minutes. The charge / discharge cycle in this pattern was defined as one cycle, and the result of measuring the amount of reduction of the electrolytic solution every 480 cycles is shown in FIG.
Shown in FIG. 4 shows that 40% Pb−60%
By coating the Sn alloy, the amount of liquid reduction can be significantly reduced. In the example, the case where the Pb-Sn alloy is coated on the surface of the lattice body has been described.
It is also possible to supply a molten metal such as Sn, Pb or a Pb-Ca-Sn alloy to the nozzle 3 and coat a part of the lattice body with the alloy.
【０００７】[0007]
【発明の効果】上述したように、本発明に係る鉛蓄電池
用格子体の連続鋳造法では、格子体の表面に格子体の骨
格４と異なる組成の金属をコーティングすることができ
る。格子体の骨格４の組成がＰｂ−１．６５％Ｓｂであ
り、４０％Ｐｂ−６０％Ｓｎのコーティング層７を施し
た格子体５を使用することによって、減液量の少ない鉛
電池が得られるという点で優れている。また、ノズルは
１個のドラムに２個に限らず、３個以上設置してもよ
い。ノズルを３個使用した場合には、同様の手段で合金
組成の異なる２種類のコーティング層を形成することが
できる。As described above, in the continuous casting method for a grid for a lead-acid battery according to the present invention, the surface of the grid can be coated with a metal having a composition different from that of the skeleton 4 of the grid. By using the lattice body 5 in which the composition of the skeleton 4 of the lattice body is Pb-1.65% Sb and the coating layer 7 of 40% Pb-60% Sn is used, a lead battery with a small amount of liquid reduction can be obtained. It is excellent in that it can be done. The number of nozzles is not limited to two on one drum, and three or more nozzles may be provided. When three nozzles are used, two types of coating layers having different alloy compositions can be formed by the same means.
【図１】本発明で使用する鉛蓄電池用格子体の連続鋳造
装置の概要図である。FIG. 1 is a schematic view of a continuous casting apparatus for a grid body for a lead storage battery used in the present invention.
【図２】本発明による鉛蓄電池用格子体の断面図であ
る。FIG. 2 is a sectional view of a grid body for a lead storage battery according to the present invention.
【図３】従来の鉛蓄電池用格子体の連続鋳造装置の概要
図である。FIG. 3 is a schematic view of a conventional continuous casting apparatus for a grid body for a lead storage battery.
【図３】充放電サイクルと減液量の関係を示す図であ
る。FIG. 3 is a diagram showing a relationship between a charge / discharge cycle and a liquid reduction amount.
１ ドラム ２ ノズル ３ ノズル ４ 格子体の骨格 ５ 格子体 ６ ローラー ７ コーティング層 ８ 彫り込み Reference Signs List 1 drum 2 nozzle 3 nozzle 4 lattice skeleton 5 lattice 6 roller 7 coating layer 8 engraving
【手続補正書】[Procedure amendment]
【提出日】平成９年１１月１８日[Submission date] November 18, 1997
【手続補正１】[Procedure amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】図面の簡単な説明[Correction target item name] Brief description of drawings
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【図面の簡単な説明】[Brief description of the drawings]
【図１】本発明で使用する鉛蓄電池用格子体の連続鋳造
装置の概要図である。FIG. 1 is a schematic view of a continuous casting apparatus for a grid body for a lead storage battery used in the present invention.
【図２】本発明による鉛蓄電池用格子体の断面図であ
る。FIG. 2 is a sectional view of a grid body for a lead storage battery according to the present invention.
【図３】従来の鉛蓄電池用格子体の連続鋳造装置の概要
図である。FIG. 3 is a schematic view of a conventional continuous casting apparatus for a grid body for a lead storage battery.
【図４】充放電サイクルと減液量の関係を示す図であ
る。FIG. 4 is a diagram showing a relationship between a charge / discharge cycle and a liquid reduction amount.
【符号の説明】 １ ドラム ２ ノズル ３ ノズル ４ 格子体の骨格 ５ 格子体 ６ ローラー ７ コーティング層 ８ 彫り込み[Description of Signs] 1 Drum 2 Nozzle 3 Nozzle 4 Frame of lattice body 5 Grid body 6 Roller 7 Coating layer 8 Engraving
Claims (2)
蓄電池用格子体の形状に彫り込みを形成し、このドラム
の周面に密着させて設置したノズルより、前記彫り込み
に、鉛を主成分とする合金の溶湯を連続的に供給し、凝
固させて格子体を鋳造する連続鋳造装置において、前記
ノズルを一つのドラムの周面に複数段設置し、１段目の
ノズルに鉛合金からなる溶湯を供給し、凝固させること
によって格子体の骨格を鋳造し、鋳造した格子体の骨格
を彫り込みに保持したまま２段目以降のノズルに送り、
２段目以降のノズルでは、１段目のノズルに供給した鉛
合金と異なる組成の溶湯を供給して凝固させることによ
って、先に鋳造した格子体の骨格の一部を異なる組成の
合金でコーテイングすることを特徴とする鉛蓄電池用格
子体の連続鋳造法。An engraving is formed on the peripheral surface of a cylindrical rotating drum in the shape of a grid for a lead-acid battery, and lead is engraved on the engraving from a nozzle installed in close contact with the peripheral surface of the drum. In a continuous casting apparatus in which a molten metal of an alloy as a main component is continuously supplied and solidified to cast a lattice, a plurality of nozzles are installed on a peripheral surface of one drum, and a lead alloy is provided on a first-stage nozzle. The molten metal is supplied and solidified to cast the skeleton of the lattice body, and sent to the second and subsequent nozzles while maintaining the skeleton of the cast lattice body in the engraving.
In the second and subsequent nozzles, a molten metal having a composition different from that of the lead alloy supplied to the first nozzle is supplied and solidified, so that a part of the skeleton of the previously cast lattice body is coated with an alloy having a different composition. A continuous casting method for a grid for a lead-acid battery.
段目以降のノズルに供給する合金の方が平衡凝固温度が
低いことを特徴とする、請求項１項記載の鉛蓄電池用格
子体の連続鋳造法。2. The method according to claim 1, further comprising:
The continuous casting method for a grid body for a lead-acid battery according to claim 1, wherein the alloy supplied to the nozzles after the first stage has a lower equilibrium solidification temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9251523A JPH1190586A (en) | 1997-09-17 | 1997-09-17 | Method for continuously casting grid body for lead accumulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9251523A JPH1190586A (en) | 1997-09-17 | 1997-09-17 | Method for continuously casting grid body for lead accumulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1190586A true JPH1190586A (en) | 1999-04-06 |
Family
ID=17224085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9251523A Pending JPH1190586A (en) | 1997-09-17 | 1997-09-17 | Method for continuously casting grid body for lead accumulator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1190586A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100434605B1 (en) * | 2001-12-14 | 2004-06-07 | 한국타이어 주식회사 | lead storage battery spine-grid manufacturing equipment and manufacturing method there of |
| CN109585788A (en) * | 2018-11-20 | 2019-04-05 | 天能电池(芜湖)有限公司 | 90 DEG C of high-energy type battery grid curing process |
-
1997
- 1997-09-17 JP JP9251523A patent/JPH1190586A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100434605B1 (en) * | 2001-12-14 | 2004-06-07 | 한국타이어 주식회사 | lead storage battery spine-grid manufacturing equipment and manufacturing method there of |
| CN109585788A (en) * | 2018-11-20 | 2019-04-05 | 天能电池(芜湖)有限公司 | 90 DEG C of high-energy type battery grid curing process |
| CN109585788B (en) * | 2018-11-20 | 2021-12-10 | 天能电池(芜湖)有限公司 | Curing process for 90 ℃ high-energy battery grid |
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