JPS6147238B2 - - Google Patents
Info
- Publication number
- JPS6147238B2 JPS6147238B2 JP3110083A JP3110083A JPS6147238B2 JP S6147238 B2 JPS6147238 B2 JP S6147238B2 JP 3110083 A JP3110083 A JP 3110083A JP 3110083 A JP3110083 A JP 3110083A JP S6147238 B2 JPS6147238 B2 JP S6147238B2
- Authority
- JP
- Japan
- Prior art keywords
- wire mesh
- inorganic layer
- structural material
- composite
- metal piece
- 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.)
- Expired
Links
- 229910052751 metal Inorganic materials 0.000 claims description 25
- 239000002184 metal Substances 0.000 claims description 25
- 239000002131 composite material Substances 0.000 claims description 21
- 239000000463 material Substances 0.000 claims description 21
- 239000000835 fiber Substances 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 7
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 238000004070 electrodeposition Methods 0.000 claims description 6
- 239000013535 sea water Substances 0.000 claims description 6
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 13
- 239000011162 core material Substances 0.000 description 6
- 229910019440 Mg(OH) Inorganic materials 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 235000010216 calcium carbonate Nutrition 0.000 description 2
- 239000002440 industrial waste Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Revetment (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は電着方法の手段によつて構造材料を製
造する方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a method for producing structural materials by means of electrodeposition methods.
（従来技術）
従来、特開昭55−161097号公報に開示されてい
るように、海水中に陰極である導電性部材と陽極
とを対向配置して通電させ、電着方法の手段によ
つて導電性部材にCaCO3、Mg（OH）2等の無機質
の層を形成せしめて大型構造材料を建造する方法
が知られている。(Prior art) Conventionally, as disclosed in Japanese Patent Application Laid-open No. 161097/1983, a conductive member serving as a cathode and an anode are placed facing each other in seawater and energized, and by means of an electrodeposition method. A method of constructing a large structural material by forming an inorganic layer such as CaCO 3 or Mg(OH) 2 on a conductive member is known.
しかし、この方法では数週間の通電によつて約
10mmの厚さの無機質層が形成されるが、硬い
CaCO3に比べて軟いMg（OH）2の量の方が多く、
とても構造材料としては使用できるものではな
い。 However, with this method, after several weeks of energization, approximately
A 10 mm thick inorganic layer is formed, but hard
The amount of soft Mg(OH) 2 is higher than CaCO3 ,
It cannot be used as a structural material.
これは第１図に示されるように、電流密度の増
加に伴つて陰極に析出する無機質層中のMg
（OH）2に対するCaCO3の割合は減少する傾向にあ
るため、約10mmの厚さに硬い無機質層（CaCO3
の含有量が多い無機質層）を形成するには電流密
度を小さくして長時間（発明者らの実験によると
６カ月以上）通電しつづける必要がある。そのた
め、通電日数が長くなり、コスト高となるという
欠点を有しており、従来から短時間に強度の高い
構造材料を製造する方法が望まれていた。 As shown in Figure 1, this is because Mg in the inorganic layer deposits on the cathode as the current density increases.
Since the ratio of CaCO 3 to (OH) 2 tends to decrease, a hard inorganic layer (CaCO 3
In order to form an inorganic layer with a large content of Therefore, it has the disadvantage that the number of days of energization becomes longer and the cost becomes higher.Therefore, there has been a desire for a method of manufacturing a structural material with high strength in a short time.
（発明の目的）
本発明は上記従来の構造材料の製造方法の改良
に係るもので、その目的は、陰極である構造材料
の芯材を金属片を金網で包み込んだ金網・金属片
複合体から構成し、電着手段によつて芯材のまわ
りに無機質層の形成された構造材料を短期間に製
造することのできる方法を提供することである。(Object of the Invention) The present invention relates to an improvement of the above-mentioned conventional manufacturing method for structural materials, and its purpose is to produce a core material of the structural material, which is a cathode, from a wire mesh/metal piece composite in which a metal piece is wrapped in a wire mesh. It is an object of the present invention to provide a method for manufacturing a structural material in which an inorganic layer is formed around a core material in a short period of time by electrodeposition means.
（発明の構成）
本発明は、鋼板のトリム屑等の繊維状の導電性
金属片を導電性金属によつて構成される金網で包
んだ金網・金属片複合体を海水中に配置するとと
もに、この金網・金属片複合体に対向する位置に
軟鋼板等の導電性部材を配置し、前記複合体を陰
極、前記金属体を陽極となるように外部に設けた
直流電源に接続して通電し、電流密度を0.1〜
0.5mA／cm2とすることによつて、電着作用により
前記複合体まわりに炭酸カルシウムを主成分とす
る無機質層を形成せしめることを特徴とする構造
材料の製造方法である。(Structure of the Invention) The present invention involves disposing in seawater a wire mesh/metal piece composite in which a fibrous conductive metal piece such as trim scraps of a steel plate is wrapped in a wire mesh made of a conductive metal. A conductive member such as a mild steel plate is placed in a position facing this wire mesh/metal piece composite, and the composite is connected to an external DC power source so that the composite serves as a cathode and the metal body serves as an anode to supply electricity. , current density 0.1 ~
This is a method for producing a structural material, characterized in that an inorganic layer containing calcium carbonate as a main component is formed around the composite by electrodeposition by setting the current to 0.5 mA/cm 2 .
電流密度を0.1〜0.5mA／cm2という比較的低い
値に設定するのは、構造材料として使用可能な硬
度を確保するためであり、また0.1mA／cm2以下で
は無機質層の形成に時間がかかり過ぎ好ましくな
いためである。 The reason why the current density is set to a relatively low value of 0.1 to 0.5 mA/cm 2 is to ensure a hardness that can be used as a structural material, and at 0.1 mA/cm 2 or less, it takes time to form an inorganic layer. This is because it is undesirable because it takes too long.
（作 用）
上記の如き構成において、通電中、陰極である
金網の表面には海水中に溶けていたCaイオンと
MgイオンとがそれぞれCaCO3、Mg（OH）2とな
つて析出し、金網・廃棄物複合体のまわりに無機
質層が形成される。電流密度は0.1〜0.5mA／cm2
という低い値であるので、電着によつて形成され
る無機質層は主に硬いCaCO3から構成されてい
る。(Function) In the above configuration, during energization, the surface of the wire mesh, which is the cathode, is exposed to Ca ions dissolved in seawater.
The Mg ions precipitate as CaCO 3 and Mg(OH) 2 , respectively, and an inorganic layer is formed around the wire mesh/waste complex. Current density is 0.1~0.5mA/ cm2
Because of this low value, the inorganic layer formed by electrodeposition is mainly composed of hard CaCO 3 .
（実施例） 次に、本発明の実施例を説明する。(Example) Next, examples of the present invention will be described.
まず、軟鋼から構成されている縦１ｍ、横２ｍ
の大きさを有する２枚の金網２、２によつて、金
属繊維４を両側から挾んだサンドイツチ状の金
網・金属繊維複合体（以下、複合体という）６を
つくる。そして、この複合体６を、第２図に示さ
れるように、絶縁された補助部材８によつて岸壁
１０に取外し可能となる様に固定する。この複合
体６の固定手段は岸壁１０に固定するものに限ら
ず海水中に固定される手段であればどのような手
段であつてもよく、例えば海底に固定したコンク
リート（図示せず）に取外し可能となる様に固定
するものでもよい。 First, it is made of mild steel, 1m long and 2m wide.
A sandwich-shaped wire mesh/metal fiber composite (hereinafter referred to as composite) 6 is made by sandwiching metal fibers 4 from both sides by two wire meshes 2, 2 having a size of . Then, as shown in FIG. 2, this composite body 6 is removably fixed to the quay wall 10 by an insulated auxiliary member 8. The means for fixing this composite body 6 is not limited to one that is fixed to the quay 10, but may be any means that can be fixed in seawater; for example, it can be removed from concrete (not shown) fixed to the seabed. It may be fixed as long as possible.
一方、この複合体６に対向させて軟鋼板１２を
配置する。この軟鋼板１２の固定手段も、前記複
合体６の固定手段と同様である。 On the other hand, a mild steel plate 12 is placed facing the composite body 6. The means for fixing this mild steel plate 12 is also the same as the means for fixing the composite body 6.
次に、金網２と軟鋼板１２の上端部を洋上に設
けた直流電源１４に接続して通電する。このと
き、金網２が陰極に、軟鋼板１２が陽極になるよ
うにし、電流密度を0.5mA／cm2とする。 Next, the upper ends of the wire mesh 2 and the mild steel plate 12 are connected to a DC power source 14 provided offshore and energized. At this time, the wire mesh 2 serves as a cathode, the mild steel plate 12 serves as an anode, and the current density is set to 0.5 mA/cm 2 .
金属繊維４は導電性金属から構成されているた
め、金網２が陰極となると同時に金属繊維４も陰
極となる。そのため、陰極である金網２および金
属繊維４の表面にはCaCO3、Mg（OH）2等の無機
化合物が析出し、第３図に示されるように、複合
体６のまわりにCaCO3を主成分とする無機質層
１６が形成される。 Since the metal fibers 4 are made of a conductive metal, the wire mesh 2 serves as a cathode, and the metal fibers 4 also serve as a cathode. Therefore, inorganic compounds such as CaCO 3 and Mg(OH) 2 are precipitated on the surfaces of the wire mesh 2 and metal fibers 4, which are the cathodes, and as shown in FIG. An inorganic layer 16 as a component is formed.
一方、陽極である軟鋼板１２は鉄がイオン化し
て海水中に溶解するため、長時間の通電により軟
鋼板１２が薄くなつたときは新たな軟鋼板と取替
えればよい。 On the other hand, since iron in the mild steel plate 12 serving as the anode is ionized and dissolved in seawater, if the mild steel plate 12 becomes thin due to long-term energization, it can be replaced with a new mild steel plate.
あるいはまた、軟鋼板１２にかえ、電解によつ
て溶解しにくい黒鉛、四三酸化鉄等の薄板を陽極
に使用してもよい。 Alternatively, instead of the mild steel plate 12, a thin plate of graphite, triiron tetroxide, or the like, which is difficult to dissolve by electrolysis, may be used for the anode.
このようにして、第３図に示されるような複合
体６を芯材とし、そのまわりに無機質層１６の形
成された平板状の構造材料１７が得られるが、金
属繊維４の体積に相当する量だけの無機質層１６
の形成が不要となるため、通電時間が非常に短縮
されるとともに、短期間に構造材料の製造ができ
ることになる。 In this way, a plate-shaped structural material 17 with the composite 6 as a core material and an inorganic layer 16 formed around it is obtained, as shown in FIG. Quantity of inorganic layer 16
Since there is no need to form , the current application time is greatly shortened and the structural material can be manufactured in a short period of time.
また、上記方法によつて製造された構造材料１
７は、金属繊維４と金網とを芯材とし、その内部
およびまわりに無機質層１６が隙間なく形成され
ており、引張りに対し強い金網・金属繊維複合体
６と圧縮に対し強い無機質層１６の相乗的効果に
よつて構造材料１７の強度は強いものとなつてい
る。 In addition, structural material 1 manufactured by the above method
7 has a metal fiber 4 and a wire mesh as core materials, and an inorganic layer 16 is formed inside and around the core material without any gaps, and the wire mesh/metal fiber composite 6 is strong against tension and the inorganic layer 16 is strong against compression. The strength of the structural material 17 is increased by the synergistic effect.
しかも、無機質層１６は金属繊維間に隙間なく
入り込んでいるため複合体６と無機質層１６との
密着力が高められており、それだけ無機質層１６
は剥れにくくなつている。 Moreover, since the inorganic layer 16 is inserted between the metal fibers without any gaps, the adhesion between the composite 6 and the inorganic layer 16 is increased, and the inorganic layer 16
It becomes difficult to peel off.
第４図は本発明の別の実施例を示す図で、金
網・金属繊維複合体１８は外径１ｍ、長さ10ｍの
外形円筒状に形成されており、それぞれ金網から
構成されている外筒２０と内筒２２と、これらの
間に詰められた金属繊維４とから構成されてい
る。 FIG. 4 is a diagram showing another embodiment of the present invention, in which the wire mesh/metal fiber composite 18 is formed into a cylindrical shape with an outer diameter of 1 m and a length of 10 m, and each outer cylinder is made of wire mesh. 20, an inner cylinder 22, and metal fibers 4 stuffed between them.
浮揚体２４の内部には直流電源１４が設けられ
ており、陽極となる軟鋼板１２および陰極となる
複合体１８がそれぞれ懸吊されて海面下一定深さ
位置に配置されている。 A DC power source 14 is provided inside the floating body 24, and a mild steel plate 12 serving as an anode and a composite body 18 serving as a cathode are each suspended and placed at a constant depth below the sea surface.
潮の干満、あるいは波浪によつて海面が変動し
ても、軟鋼板１２および複合体１８は常に海面か
ら一定の距離に保持され、通電中、無機質層１６
の形成が中断されることはない。 Even if the sea level fluctuates due to tides or waves, the mild steel plate 12 and the composite body 18 are always maintained at a constant distance from the sea surface, and the inorganic layer 16
formation is not interrupted.
この実施例では、外筒２０のまわりだけでなく
内筒２２の内側にも無機質層１６が形成され、第
５図に示されるような横断面を有する円柱状の構
造材料２６が得られる。 In this embodiment, the inorganic layer 16 is formed not only around the outer cylinder 20 but also inside the inner cylinder 22, and a cylindrical structural material 26 having a cross section as shown in FIG. 5 is obtained.
また、この第２実施例では水深が一定以上ある
ところであれば如何なる場所でも実施できるの
で、目的地近くの海での実施が可能であり、ある
いは遠くの目的地へ運ぶにも浮揚体２４を曳航す
れば簡単に運ぶことができる。 In addition, this second embodiment can be carried out at any location as long as the water depth is above a certain level, so it can be carried out in the sea near the destination, or the floating body 24 can be towed to carry it to a distant destination. You can easily transport it.
（効 果）
以上の説明から明らかなように、本発明によれ
ば、芯材のまわりに無機質層の形成された構造材
料を短期間のうちに製造することができる。(Effects) As is clear from the above description, according to the present invention, a structural material in which an inorganic layer is formed around a core material can be manufactured in a short period of time.
また、本発明によつて得られた構造材料は、無
機質層が剥れにくいとともに構造強度にも十分優
れている。 Further, the structural material obtained by the present invention has an inorganic layer that is difficult to peel off and also has sufficient structural strength.
さらにまた、本発明は導電性の産業廃棄物を有
効に利用すものであり、今後ますます増大するで
あろう産業廃棄物の処理において非常に有意義と
思われる。 Furthermore, the present invention makes effective use of conductive industrial waste, and is thought to be very meaningful in the treatment of industrial waste, which is expected to increase in the future.
第１図は陰極に付着する無機質層の電流密度に
対するCaCO3とMg（OH）2の組成比率を示した
図、第２図は本発明を実施するための装置実施例
の概略図、第３図はその装置によつて得られた構
造材料の断面図、第４図は本発明を実施するため
の装置の別の実施例の概略図、第５図はその装置
によつて製造された構造材料の横断面図である。
２……金網、４……金属繊維、６，１８……金
網・金属繊維複合体、１２……軟鋼板、１４……
直流電源、１６……無機質層、１７，２６……構
造材料。
FIG. 1 is a diagram showing the composition ratio of CaCO 3 and Mg(OH) 2 with respect to the current density of the inorganic layer attached to the cathode, FIG. 2 is a schematic diagram of an embodiment of the apparatus for carrying out the present invention, and FIG. FIG. 4 is a schematic diagram of another embodiment of the device for carrying out the invention, and FIG. 5 is a structure manufactured by the device. FIG. 3 is a cross-sectional view of the material. 2... Wire mesh, 4... Metal fiber, 6, 18... Wire mesh/metal fiber composite, 12... Mild steel plate, 14...
DC power supply, 16... Inorganic layer, 17, 26... Structural material.
Claims (1)
複合体と導電性部材とを海水中に対向配置し、前
記金網を陰極、前記導電性部材を陽極となるよう
に外部に設けた電源に接続して通電し、電着手段
によつて金網・金属片複合体まわりに炭酸カルシ
ウムを主成分とする無機質層を形成せしめること
を特徴とする構造材料の製造方法。 ２ 前記金属片は金属繊維であることを特徴とす
る特許請求の範囲第１項記載の構造材料の製造方
法。[Scope of Claims] 1. A wire mesh/metal piece composite in which a conductive metal piece is wrapped in a wire mesh and a conductive member are placed facing each other in seawater, with the wire mesh serving as a cathode and the conductive member serving as an anode. A method for producing a structural material, which comprises connecting the material to an external power source and applying electricity to form an inorganic layer containing calcium carbonate as a main component around a wire mesh/metal piece composite by electrodeposition. 2. The method for manufacturing a structural material according to claim 1, wherein the metal piece is a metal fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3110083A JPS59157299A (en) | 1983-02-25 | 1983-02-25 | Production of structural material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3110083A JPS59157299A (en) | 1983-02-25 | 1983-02-25 | Production of structural material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59157299A JPS59157299A (en) | 1984-09-06 |
| JPS6147238B2 true JPS6147238B2 (en) | 1986-10-17 |
Family
ID=12321975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3110083A Granted JPS59157299A (en) | 1983-02-25 | 1983-02-25 | Production of structural material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59157299A (en) |
-
1983
- 1983-02-25 JP JP3110083A patent/JPS59157299A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59157299A (en) | 1984-09-06 |
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