JPS6147236B2 - - Google Patents
Info
- Publication number
- JPS6147236B2 JPS6147236B2 JP3109783A JP3109783A JPS6147236B2 JP S6147236 B2 JPS6147236 B2 JP S6147236B2 JP 3109783 A JP3109783 A JP 3109783A JP 3109783 A JP3109783 A JP 3109783A JP S6147236 B2 JPS6147236 B2 JP S6147236B2
- Authority
- JP
- Japan
- Prior art keywords
- wire mesh
- inorganic layer
- sea surface
- cathode
- structural material
- 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
- 239000000463 material Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 239000004744 fabric Substances 0.000 description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 229910002804 graphite Inorganic materials 0.000 description 9
- 239000010439 graphite Substances 0.000 description 9
- 229910019440 Mg(OH) Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000126 substance Substances 0.000 description 4
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004070 electrodeposition Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 235000010216 calcium carbonate Nutrition 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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
つて陰極部材に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 a layer of an inorganic material such as CaCO 3 or Mg(OH) 2 on a cathode 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。第１図に示されるように電流密度増加に対す
る無機質層中のMg（OH）2に対するCaCO3の量は
減少し、一方CaCO3に対するMg（OH）2の量は増
加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
があり、通電日数が長いことからコスト高となる
という欠点を有しており、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。 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. As shown in Figure 1, the amount of CaCO 3 relative to Mg(OH) 2 in the inorganic layer decreases as the current density increases, while the amount of Mg(OH) 2 relative to CaCO 3 tends to increase. In order to form a hard inorganic layer (an inorganic layer with a high CaCO 3 content) with a thickness of 10 mm, it is necessary to keep the current flowing for a long time (more than 6 months according to the inventors' experiments) at a low current density. However, it has the disadvantage of high costs due to the long period of energization, and there has been a desire for a method to produce a structural material with high strength in a short period of 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、陰極である導電性部
材と、この導電性部材外周に形成される無機質層
との間に通水性の繊維状部材を介在させることに
より、硬くかつ剥れにくい構造材料の製造を短期
間に行うことが可能な方法を提供することにあ
る。(Objective 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 provide a bond between a conductive member serving as a cathode and an inorganic layer formed on the outer periphery of the conductive member. It is an object of the present invention to provide a method that can produce a structural material that is hard and hard to peel off in a short period of time by interposing a water-permeable fibrous member.
（発明の構成）
本発明は、導電性金属からなる金網に通水性繊
維状部材を布設するとともに、少なくとも一部が
海面下に位置するようにこの金網を配置し、導電
性材料からなる電極を前記金網に対向させて海面
下に配置し、前記金網を陰極、金網に対向する導
電性部材を陽極となるように外部電源に接続して
通電し、金網の外周に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 includes laying a water-permeable fibrous member on a wire mesh made of a conductive metal, arranging the wire mesh so that at least a portion thereof is located below the sea surface, and attaching an electrode made of a conductive material. It is arranged under the sea surface facing the wire mesh, and is connected to an external power source so that the wire mesh serves as a cathode and the conductive member facing the wire mesh serves as an anode, and is energized to form an inorganic layer on the outer periphery of the wire mesh. This is a method for producing a characteristic structural material.
金網は鉄、銅、亜鉛等導電性金属体であれば何
でもよいが、安価に入手可能な軟鋼で構成されて
いることが望ましい。また、金網でなくてもよい
が、陰極の表面積を大きくすれば無機質層が多量
にかつ速く付着することになるので、金網等の有
孔の金属体であることが望ましい。 The wire mesh may be made of any conductive metal such as iron, copper, zinc, etc., but it is preferably made of mild steel, which is available at low cost. Further, although it does not need to be a wire mesh, it is preferable to use a perforated metal body such as a wire mesh, because if the surface area of the cathode is increased, the inorganic layer will adhere in large quantities and quickly.
通水性繊維状部材は細い有機または無機の繊維
状部材から構成されているものであれば塊状ある
いは布状等どのようなものでもよく、無機質の付
着を妨げないためには空隙の大きいものほど好ま
しい。 The water-permeable fibrous member may be of any type, such as a lump or cloth, as long as it is composed of thin organic or inorganic fibrous members, and it is preferable that the pores are larger in order not to prevent the adhesion of inorganic substances. .
対向配置された金網と導電性部材との間の電流
密度は0.1〜0.5mA／cm2程度の比較的低い値が望
ましい。これは硬いCaCO3を多く含んだ無機質
層の形成には0.1〜0.5mA／cm2の電流密度が妥当
だからである。 It is desirable that the current density between the wire mesh and the conductive member, which are arranged opposite to each other, be a relatively low value of about 0.1 to 0.5 mA/cm 2 . This is because a current density of 0.1 to 0.5 mA/cm 2 is appropriate for forming a hard inorganic layer containing a large amount of CaCO 3 .
（作 用）
金網を陰極、導電性部材を陽極として外部電源
を用いて通電すると、陰極である金網の外表面に
CaCO3を主成分とする無機質が付着しはじめ
る。金網には繊維状部材が取付けられているが、
通水性のあるものであるため無機質の付着を妨げ
るものではなく、無機質は金網外周に繊維状部材
を含んだ状態で次第に太く形成される。繊維状部
材の体積分だけ無機質層の付着量が少なくてすむ
こととなる。(Function) When electricity is applied using an external power source with the wire mesh as a cathode and the conductive member as an anode, the outer surface of the wire mesh, which is the cathode,
Inorganic substances mainly composed of CaCO 3 begin to adhere. A fibrous member is attached to the wire mesh,
Since it is permeable to water, it does not prevent the adhesion of inorganic substances, and the inorganic substance gradually becomes thicker while containing fibrous members around the outer periphery of the wire mesh. The amount of the inorganic layer deposited can be reduced by the volume of the fibrous member.
（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、第２図に示されるように、軟鋼で構成さ
れた縦５ｍ横10ｍの金網２を海底４に基台５を介
して固定する。この金網２に対向する位置に黒鉛
棒６を同様の手段で固定する。次に、金網２の両
面に麻布８を取付ける。そして洋上に設けられた
直流電源１０に黒鉛棒６が陽極、金網２が陰極と
なるように接続し、黒鉛棒６と金網２との間の電
流密度を0.1〜0.5mA／cm2に調整することによつ
て、陰極側の金網２のまわりにCaCO3を主成分
とする無機質層１２が形成される。なお、金網２
への麻布８の取付けは、あらかじめ洋上で行つて
おき、麻布８を取付けた金網２を海底に固定する
方が作業がし易い。 First, as shown in FIG. 2, a wire mesh 2 made of mild steel and measuring 5 m long and 10 m wide is fixed to the seabed 4 via a base 5. A graphite rod 6 is fixed in a position facing this wire mesh 2 by the same means. Next, linen cloth 8 is attached to both sides of the wire mesh 2. Then, the graphite rod 6 is connected to a DC power source 10 installed offshore so that the graphite rod 6 becomes an anode and the wire mesh 2 becomes a cathode, and the current density between the graphite rod 6 and the wire mesh 2 is adjusted to 0.1 to 0.5 mA/cm 2. As a result, an inorganic layer 12 mainly composed of CaCO 3 is formed around the wire mesh 2 on the cathode side. In addition, wire mesh 2
It is easier to attach the linen cloth 8 to the seabed in advance at sea, and then fix the wire mesh 2 to which the linen cloth 8 is attached to the seabed.
第３図は、別の実施例を示すもので、麻布８を
両側から金網２（２Ａ，２Ｂ）で挾んだものを用
いたもので、金網２および黒鉛棒６はそれぞれ岸
壁１４から突設された支持部材１６によつて固定
支持されるようになつている。 FIG. 3 shows another embodiment in which a linen cloth 8 is sandwiched between wire meshes 2 (2A, 2B) from both sides, and the wire mesh 2 and graphite rods 6 are respectively protruded from a quay 14. It is designed to be fixedly supported by a support member 16 which is provided with a support member 16.
第４図はさらに他の実施例を示すもので、海面
上に浮揚体１８を浮かべ、この浮揚体１８に黒鉛
棒６と麻布８を取付けた金網２を吊り下げるとと
もに対向配置させたものである。本実施例では黒
鉛棒６および金網２は常に海面下一定の位置に保
持され、潮の満ち干によつて海面の位置が変動し
ても、無機質層１２の形成過程に何ら影響を及ぼ
さないようになつている。 FIG. 4 shows still another embodiment, in which a floating body 18 is floated on the sea surface, and a wire mesh 2 to which graphite rods 6 and linen cloth 8 are attached is suspended from the floating body 18 and arranged facing each other. . In this embodiment, the graphite rod 6 and the wire mesh 2 are always maintained at a constant position below the sea surface, so that even if the sea surface position changes due to the ebb and flow of the tide, it will not have any effect on the formation process of the inorganic layer 12. It's getting old.
第５図はさらに別の実施例を示すもので、岸壁
１４のスプラツシユライン（波浪によつて浸食等
の影響を受ける領域）に金網２を布設し、この金
網２の外側に麻布８を密着させて取付け、この金
網２に対向して黒鉛棒６を配置して通電し、金網
２のまわりに無機質層１２を形成して岸壁１４の
スプラツシユラインを硬い無機質層１２で覆つて
しまうものである。防波堤では波の浸食作用が激
しいことから、特に有効である。 FIG. 5 shows yet another embodiment, in which a wire mesh 2 is laid on the splash line of the quay 14 (area affected by erosion etc. due to waves), and linen cloth 8 is tightly attached to the outside of the wire mesh 2. A graphite rod 6 is placed opposite the wire mesh 2 and energized to form an inorganic layer 12 around the wire mesh 2, thereby covering the splash line of the quay 14 with the hard inorganic layer 12. be. This is particularly effective on breakwaters, where the erosive action of waves is intense.
また、第２図、第３図に示されているように、
海面近くに金網２を配置した場合、あるいは第５
図に示されているように海面以上に金網２を配置
する場合には、干潮時に金網２が大気中に露出す
ることとなるが、麻布８は吸水性がよく、毛管現
象によつて麻布８は常に湿つた状態にあるので、
たとえ干潮時にあつても大気中に露出した部分へ
の無機質層１２の形成は可能である。 Also, as shown in Figures 2 and 3,
When wire mesh 2 is placed near the sea surface, or
If the wire mesh 2 is placed above the sea level as shown in the figure, the wire mesh 2 will be exposed to the atmosphere at low tide, but the linen cloth 8 has good water absorbency, and the linen cloth 8 is always moist, so
Even during low tide, it is possible to form the inorganic layer 12 on the portion exposed to the atmosphere.
このようにして製造された構造材料は金網２を
骨格としてこのまわりに無機質層１２が形成され
たものではあるが、金網２と無機質層１２との間
に麻布８が介在されており、この麻布８の体積分
だけ無機質層１２の付着に要す時間が短縮され
る。また、この構造材料は麻布８の存在によつて
無機質層１２の密着強度が高められ、そのため無
機質層１２は剥れにくくなつている。 The structural material manufactured in this way has a wire mesh 2 as a skeleton and an inorganic layer 12 formed around it, but a linen cloth 8 is interposed between the wire mesh 2 and the inorganic layer 12, and this linen cloth is The time required for depositing the inorganic layer 12 is reduced by 8 volumes. Further, in this structural material, the adhesion strength of the inorganic layer 12 is increased due to the presence of the linen cloth 8, so that the inorganic layer 12 is difficult to peel off.
（効 果）
以上の説明から明らかなように、本発明によれ
ば、外周部が無機質層からなる構造材料の製造を
短期間のうちに行うことができる。(Effects) As is clear from the above description, according to the present invention, a structural material whose outer peripheral portion is composed of an inorganic layer can be manufactured in a short period of time.
また、本発明によつて製造された構造材料は、
従来の同種の構造材料と比較して、無機質層内に
繊維状部材が入り組んで存在しているためそれだ
け無機質層が剥れにくくなつている。 Furthermore, the structural material produced according to the present invention is
Compared to conventional structural materials of the same type, the fibrous members are intricately present within the inorganic layer, making it more difficult for the inorganic layer to peel off.
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の第１
実施例の概略図、第３図はその第２実施例の概略
図、第４図はその第３実施例の概略図、、第５図
はその第４実施例の概略図である。
２……金網、６……黒鉛棒、８……麻布、１０
……直流電源、１２……無機質層。
Figure 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, and Figure 2 is a diagram showing the composition ratio of CaCO 3 and Mg(OH) 2 to the current density of the inorganic layer attached to the cathode.
FIG. 3 is a schematic diagram of the second embodiment, FIG. 4 is a schematic diagram of the third embodiment, and FIG. 5 is a schematic diagram of the fourth embodiment. 2...wire mesh, 6...graphite rod, 8...linen cloth, 10
...DC power supply, 12...Inorganic layer.
Claims (1)
を布設するとともに、少なくとも一部が海面下に
位置するようにこの金網を配置し、導電性部材を
前記金網に対向させて海面下に配置し、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
電源に接続して通電し、金網の外周に無機質層を
形成せしめることを特徴とする構造材料の製造方
法。 ２ 前記金網は一部を海面上に突出して配設され
るとともに、前記繊維状部材は吸湿性材料からな
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 water-permeable fibrous member is laid on a wire mesh made of conductive metal, the wire mesh is arranged so that at least a portion thereof is located below the sea surface, and the conductive member is placed opposite to the wire mesh. A method for manufacturing a structural material, comprising: placing the wire mesh under the sea surface, connecting the wire mesh to an external power source and supplying electricity so that the wire mesh serves as a cathode and the conductive member serving as an anode, thereby forming an inorganic layer on the outer periphery of the wire mesh. . 2. The method of manufacturing a structural material according to claim 1, wherein the wire mesh is disposed with a portion thereof protruding above the sea surface, and the fibrous member is made of a hygroscopic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3109783A JPS59157297A (en) | 1983-02-25 | 1983-02-25 | Production of structural material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3109783A JPS59157297A (en) | 1983-02-25 | 1983-02-25 | Production of structural material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59157297A JPS59157297A (en) | 1984-09-06 |
| JPS6147236B2 true JPS6147236B2 (en) | 1986-10-17 |
Family
ID=12321892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3109783A Granted JPS59157297A (en) | 1983-02-25 | 1983-02-25 | Production of structural material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59157297A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS627892A (en) * | 1985-07-02 | 1987-01-14 | Mitsui Eng & Shipbuild Co Ltd | Electrodeposition method |
| WO1999036596A2 (en) * | 1998-01-13 | 1999-07-22 | Anthony Maxwell | Marine stock enhancement process |
-
1983
- 1983-02-25 JP JP3109783A patent/JPS59157297A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59157297A (en) | 1984-09-06 |
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