JPS63166983A - Method for preventing generation of reddish water - Google Patents
Method for preventing generation of reddish waterInfo
- Publication number
- JPS63166983A JPS63166983A JP61314030A JP31403086A JPS63166983A JP S63166983 A JPS63166983 A JP S63166983A JP 61314030 A JP61314030 A JP 61314030A JP 31403086 A JP31403086 A JP 31403086A JP S63166983 A JPS63166983 A JP S63166983A
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- hole
- wall
- pipe fitting
- piping
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000007797 corrosion Effects 0.000 claims description 16
- 238000005260 corrosion Methods 0.000 claims description 16
- 229920001971 elastomer Polymers 0.000 abstract description 3
- 239000011810 insulating material Substances 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 2
- 239000007787 solid Substances 0.000 abstract description 2
- 241001052209 Cylinder Species 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000012777 electrically insulating material Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241001122767 Theaceae Species 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Protection Of Pipes Against Damage, Friction, And Corrosion (AREA)
- Prevention Of Electric Corrosion (AREA)
Abstract
Description
【発明の詳細な説明】
（イ）産業上の利用分野
本発明は、配設された２イニング管設備の赤水停止方法
に関し、特に、建造物、船舶内の既設水道管路の赤水停
止方法に関する。また、本発明は、配設された管設備の
管継手部の更生方法に関し、特に建造物内に既設の水道
管路の管継手部の腐蝕停止による更生方法に関する。DETAILED DESCRIPTION OF THE INVENTION (a) Industrial Application Field The present invention relates to a method for stopping red water in installed two-line pipe equipment, and particularly relates to a method for stopping red water in existing water pipes in buildings and ships. . The present invention also relates to a method for rehabilitating pipe joints of installed pipe equipment, and particularly to a method for rehabilitating pipe joints of existing water pipes in a building by stopping corrosion.
（ｅｌ） 従来の技術
一般に、建造物内の水道管には、プラスチックライニン
グ管が使用されてきており、これらライニング管の接続
には、管継手が使用されている。(el) Prior Art In general, plastic lined pipes have been used for water pipes in buildings, and pipe joints are used to connect these lined pipes.
最近でこそ、耐蝕性の管継手が使用されているが、以前
は、一般の管継手が使用されており、経年の管継手及び
管端部等の管継手部の腐蝕は避けることができず、経年
の管継手部の腐蝕又は劣化の進行により、継手部に錆を
生じ、これが、所謂赤水を発生させている。Recently, corrosion-resistant pipe fittings have been used, but in the past, general pipe fittings were used, and corrosion of pipe fittings and pipe fittings such as pipe ends cannot be avoided over time. Due to corrosion or deterioration of pipe joints over time, rust occurs in the joints, which causes so-called red water.
赤水の発生は、洗濯物を着色したり、洗面器、便器等の
衛生器具を汚したり、料理やお茶の味を悪くするなど、
人に心理的、生理的不快感を与え、また、工業用原料と
して製品の着色等を生じて品質の低下をきたして問題で
ある。The occurrence of red water can stain laundry, stain sanitary utensils such as wash basins and toilets, and make food and tea taste bad.
It is a problem because it causes psychological and physiological discomfort to people, and when used as an industrial raw material, it causes discoloration of products, resulting in a decline in quality.
このような赤水を避けるために、赤水が発生したところ
で、配管の更新或は管継手部の交換等が行われている。In order to avoid such red water, piping is updated or pipe joints are replaced where red water occurs.
（ハ） 発明が解決しようとする問題点しかし、このよ
うな赤水対策として、配管設備全体の更新は、既設の複
雑に敷設されている配管路について行われるために、多
くの手間を要し、その上、未だ使用に耐えるライニング
管を廃棄すろことになり、不経済である。また、管継手
部のみを交換するとしても、ｇ継手部前後を切断し、そ
の間を、適当な長さの管の両端に新規なＷ継手を取付け
て接続することになるので、新規な管継手を二倍の筒数
必要とし、しがも、多くの手間を要して問題である。(c) Problems to be solved by the invention However, as a countermeasure against such red water, updating the entire piping equipment requires a lot of effort because it is carried out on the existing complicatedly laid piping lines. Moreover, the lining tube that is still usable must be discarded, which is uneconomical. In addition, even if only the pipe joint is replaced, the front and rear of the g-joint must be cut, and a new W joint must be attached to both ends of a pipe of an appropriate length to connect the new pipe joint. However, this requires twice the number of cylinders, which is problematic because it requires a lot of effort.
本発明は、既設の配管設備１こおける赤水対策に係る問
題１話を解消することを目的としている。The present invention aims to solve one problem related to red water countermeasures in one existing piping facility.
（ニ）問題点を解決するための手段
本発明は、既設の配管設備の赤水対策を、管継手を取換
えたり、配管設備を更新することなく、簡単な作業で、
しかも、廉価に施すことができる赤水停止方法を提供す
ることを目的としている。(D) Means for Solving Problems The present invention takes measures against red water in existing piping equipment by simple work without replacing pipe fittings or updating piping equipment.
Moreover, it is an object of the present invention to provide a method for stopping red water that can be performed at low cost.
すなわち、本発明は、ライニング管を管継手によって接
続して配管敷設されている配管路において、Ｗｌ１手壁
に孔を開け、該孔内に、耐蝕性の陽極電極を、その周囲
を絶縁シールして装着し、陰極電極を該管継手壁に接続
したことを特徴とする敷設配管における赤水停止方法に
ある。That is, the present invention provides a method for forming a hole in the wall of Wl1 in a pipe line in which a lining pipe is connected by a pipe joint, and a corrosion-resistant anode electrode is placed in the hole, and the periphery thereof is insulated and sealed. A method for stopping red water in installed piping, characterized in that the cathode electrode is connected to the wall of the pipe joint.
本発明において、使用される陽極Ｗ１電極材としては、
一般に耐蝕性の陽極部材、例えば、貯湯槽・ボイラー内
面の電気防蝕技術で使用される白金被覆チタン電極等を
挙げることができる。また、本発明において、耐蝕性の
陽極電極部材を、管継手部材と電気的に絶縁するために
、該陽極電極部材の周囲を密封するために、弾力性にす
ぐれる絶縁材料が配置される。このような絶縁材料とし
ては、耐水性で不透水性であれば、如何なる電気絶縁材
料を使用することがで終る。しかし、シール等の関係か
ら密封性にすぐれるゴム等の弾性材料、プラスチック接
着剤等が好ましい。In the present invention, the anode W1 electrode material used is:
In general, corrosion-resistant anode members such as platinum-coated titanium electrodes used in electrolytic corrosion protection technology for the inner surfaces of hot water tanks and boilers can be mentioned. Further, in the present invention, in order to electrically insulate the corrosion-resistant anode electrode member from the pipe joint member, an insulating material with excellent elasticity is arranged to seal the periphery of the anode electrode member. As such an insulating material, any electrically insulating material may be used as long as it is water resistant and impermeable. However, from the viewpoint of sealing, etc., elastic materials such as rubber, plastic adhesives, etc., which have excellent sealing properties, are preferable.
本発明においては、管継手部に設けられる穴は、小さい
程要する部材が少くて済むので好ましい。In the present invention, the smaller the hole provided in the pipe joint, the fewer members are required, so it is preferable.
しかし、予め電極周囲にバッキング部材を設けて、電極
シール構造とし、これを管継手に形成された大向に嵌着
するように、栓体形状に形成すると、赤水対策作業が簡
単かつ容易となるので好ましい。However, if a backing member is provided around the electrode in advance to create an electrode seal structure, and this is formed into a plug shape so as to fit into the large area formed in the pipe joint, red water countermeasure work will be simple and easy. Therefore, it is preferable.
（ホ）作用
本発明においては、既設の配管設備で赤水が発生したと
ころで、給水管止水栓を閉めて、配管内の水抜きをし、
或は、上流側の止水栓を閉めて、例えば、管継手部の総
てに、或は腐蝕のひどい管継手を選んで、管継手壁に、
その内側に貫通する孔をあけ、この孔内に電気絶縁材料
を介して耐蝕性陽極電極を配設すると共に、陰極電極を
管継手壁に接続したので、該陽極及Ｖ陰極間に電圧を加
えて、防蝕電位、例えば、陰極の電位が飽和甘木電極電
位で一７７０ｍｖ（ＳＣＥ）になるように電位を設定し
て防蝕を行うことができる。この管継手部の腐蝕の停止
によって、赤水は停止され、清浄な水を供給することが
できる。(E) Function In the present invention, when red water occurs in existing piping equipment, the water supply pipe stop valve is closed and the water in the piping is drained.
Alternatively, close the water stop valve on the upstream side and, for example, apply water to all pipe joints, or select pipe joints that are severely corroded and apply water to the pipe joint wall.
A hole was drilled through the inside of the tube, and a corrosion-resistant anode electrode was placed inside the hole through an electrically insulating material, and the cathode electrode was connected to the wall of the pipe joint, so a voltage was applied between the anode and the V-cathode. Therefore, corrosion protection can be carried out by setting the potential so that the potential of the cathode is -770 mv (SCE) at the saturated Amagi electrode potential. By stopping the corrosion of the pipe joint, the red water is stopped and clean water can be supplied.
（へ）実施例
以下、添付図面を参照して、本発明の赤水停止方法の実
施の一態様の−について説明するが、本発明は、以下の
説明及ゾ例示によって何ら制限を受けるものではない。(F) Example Hereinafter, one embodiment of the red water stopping method of the present invention will be explained with reference to the accompanying drawings, but the present invention is not limited in any way by the following explanation and exemplification. .
第１図は、本発明の一実施例における管継手部の概略を
示す説明図であり、Ｌ形管継手に適用した一事例を示す
ものである。FIG. 1 is an explanatory diagram schematically showing a pipe joint part in an embodiment of the present invention, and shows an example of application to an L-shaped pipe joint.
第１図は、既設の配￥！設備１のライニング管２及び３
を管継手４で接続した接続部を示す。本例１二おいては
、管継手４は、ライニングが施されていない、このため
に、経年の腐蝕進行によって、管継手４の内面に錆を発
生し、赤水を形成する。Figure 1 shows the existing arrangement! Lining pipes 2 and 3 of equipment 1
This shows a connection where the pipes are connected with a pipe joint 4. In this example 12, the pipe joint 4 is not lined, and therefore, corrosion progresses over time, causing rust to occur on the inner surface of the pipe joint 4 and forming red water.
このようにして、赤水が発生したところで、本例におい
ては、配管設備１全体の水抜きを行い、管継手４の外側
湾曲部５に貫通孔６を形成する。この貫通孔６の形成は
、管継手部４の外側湾曲部５の壁７の一箇所に例えば電
動ドリルを用いて行われる。この孔６の形状は、管継手
内側方向に開くようにテーパ状とするのが、陽極電極８
を保持する栓体９を孔６に嵌合させた場合、栓体９の抜
は防止に効果があり好ましい。管継手４に形成される孔
６の位置は、管端１０から陽極電極８＊での距離が略同
−となる位置であるのが好ましいが、配管設備１のｍｌ
の具合で、管継手４の管端１０から等距離の位置に孔を
形成することができない場合は、それ以外の箇所に孔を
あけ陽ｒＡ電極８を取付けても差支えがない。When red water is generated in this manner, in this example, the entire piping equipment 1 is drained, and a through hole 6 is formed in the outer curved portion 5 of the pipe joint 4. The through hole 6 is formed at one location on the wall 7 of the outer curved portion 5 of the pipe joint portion 4 using, for example, an electric drill. The shape of this hole 6 is tapered so as to open toward the inside of the pipe joint.
When the plug body 9 holding the hole 6 is fitted into the hole 6, it is effective to prevent the plug body 9 from being removed, which is preferable. The position of the hole 6 formed in the pipe joint 4 is preferably such that the distance from the pipe end 10 to the anode electrode 8* is approximately the same, but
If it is not possible to form a hole at a position equidistant from the pipe end 10 of the pipe joint 4 in this case, there is no problem in making the hole at another location and attaching the positive rA electrode 8.
栓体９は、ゴム等の電気絶縁材料製の短い密実の円筒体
１１と該円筒体の上端及び下端に夫々取り付けられる二
枚の略同径のステンレス等の耐蝕性材料製の円板１２及
び１３とを備えて形成される。これら円筒体１１及び円
［１２，１３には、夫々締付用のビス孔１４及び１５並
びに陽極電極８の装着孔１６が形成されるいる。外側に
位置する円板１２は、内側の円板１３より大さく形成し
、管継手壁に形成された貫通孔６より大きい寸法に形成
し、電気絶縁性の接着剤等により、更にｉｔ着するよう
にしてもよい。The plug body 9 includes a short, solid cylindrical body 11 made of an electrically insulating material such as rubber, and two disks 12 made of a corrosion-resistant material such as stainless steel and having approximately the same diameter attached to the upper and lower ends of the cylindrical body, respectively. and 13. Screw holes 14 and 15 for tightening and a mounting hole 16 for the anode electrode 8 are formed in the cylindrical body 11 and the circles [12 and 13, respectively. The outer disk 12 is formed larger than the inner disk 13 and has a larger size than the through hole 6 formed in the pipe joint wall, and is further bonded with an electrically insulating adhesive or the like. You can do it like this.
このように形成されている栓体は、管継手壁７の貫通孔
６内に、円筒体部１１を挿込み、ビス１７及び１８を螺
着して、該円筒体１１を、軸方向に圧縮して、横方向、
つまり、管継手壁７方向に膨出させて、管継手壁７に固
定させることができる。The plug body formed in this way is made by inserting the cylindrical body part 11 into the through hole 6 of the pipe joint wall 7, screwing the screws 17 and 18, and compressing the cylindrical body 11 in the axial direction. horizontally,
That is, it can be bulged in the direction of the pipe joint wall 7 and fixed to the pipe joint wall 7.
栓体９を管継手壁７に固定させ、陽極電極８の接続端子
１９を定電圧電源（図示されていない。）に接続する。The stopper 9 is fixed to the pipe joint wall 7, and the connection terminal 19 of the anode electrode 8 is connected to a constant voltage power source (not shown).
一方、陰極（図示されていない。）は、配管数＋ｌａ１
のライニング管壁の一部に接続される。複数の管継手に
赤水停止用１！極の取付を行う場合には、夫々の管継手
の陽極電極８の接続端子を一つの導線に接続し、この導
線を、直流定電圧電源に接続すると配線回路を簡単化す
ることができろ。On the other hand, the cathode (not shown) is the number of piping + la1
Connected to part of the lining pipe wall. 1 for stopping red water on multiple pipe joints! When attaching the poles, the wiring circuit can be simplified by connecting the connection terminals of the anode electrodes 8 of each pipe joint to one conducting wire, and connecting this conducting wire to a DC constant voltage power source.
このように、管継手壁７に電気防蝕用電極８を取付けて
、全鉄分０．０７ｐｐ＋ａの水道水を配管設備１に供給
すると共に、陰極側電位を一７７０ｍＶ（ＳＣＥ）とす
ると、赤水の停止がみられたが、電気防蝕用陽極電極を
取付けない場合には、全鉄分３．９４ｐｐｍと赤水の発
生がみられた。In this way, by attaching the electrical corrosion protection electrode 8 to the pipe joint wall 7 and supplying tap water with a total iron content of 0.07 pp+a to the plumbing equipment 1, and setting the cathode side potential to -770 mV (SCE), the red water will stop. However, when the anode electrode for electrolytic corrosion protection was not installed, the total iron content was 3.94 ppm and the generation of red water was observed.
（ト）発明の効果
本発明は、既設のライニング配管設備で赤水が発生した
ところで、管継手に、管継手と電気的に絶縁した陽極電
極を管継手内に突出して設けると共にＩ＋３極を管継手
壁に接続させたので、陽極と陰極間に電圧を加えて赤水
の停止をはかることができる。(G) Effects of the Invention The present invention provides an anode electrode that is electrically insulated from the pipe joint and protrudes into the pipe joint at a place where red water occurs in the existing lining piping equipment, and the I+3 pole is connected to the pipe joint. Since it is connected to the wall, voltage can be applied between the anode and cathode to stop the red water.
したがって、本発明は、従来の方法に比して、簡単な作
業で、しかも管継手配管設備を取り換えることなく廉価
に赤水の停止をはかることができる。Therefore, compared to conventional methods, the present invention can stop red water with simpler work and at a lower cost without replacing pipe fittings and piping equipment.
第１図は、本発明の一実施例における管継手部の概略を
示す説明図であり、Ｌ形管継手に適用した一事例を示す
ものである。
図中の符号について、１は配！設備、２及び３はライニ
ング管、４は管継手、５は管継手の外側湾曲部、６は貫
通孔、７はＩｌｙ継手壁、８は陽極電極、９は栓体、１
０は管端、１１は円筒体、１２及び１３は円板、１４及
び１５はビス孔、１６は装着孔、１７及び１８はビス、
１９は接続端子である。
代 理 人FIG. 1 is an explanatory diagram schematically showing a pipe joint part in an embodiment of the present invention, and shows an example of application to an L-shaped pipe joint. Regarding the symbols in the diagram, 1 is a distribution! Equipment, 2 and 3 are lining pipes, 4 is a pipe joint, 5 is an outer curved part of a pipe joint, 6 is a through hole, 7 is an Ily joint wall, 8 is an anode electrode, 9 is a plug body, 1
0 is a tube end, 11 is a cylindrical body, 12 and 13 are disks, 14 and 15 are screw holes, 16 is a mounting hole, 17 and 18 are screws,
19 is a connection terminal. agent
Claims (1)
いる配管路において、管継手壁に孔を開け、該孔内に、
耐蝕性の陽極電極を、その周囲を絶縁シールして装着し
、陰極電極を該管継手壁に接続したことを特徴とする敷
設配管における赤水停止方法。In a pipeline where lining pipes are connected by pipe fittings and piping is laid, a hole is made in the pipe fitting wall, and inside the hole,
A method for stopping red water in installed piping, characterized in that a corrosion-resistant anode electrode is attached with an insulating seal around the anode electrode, and a cathode electrode is connected to the wall of the pipe joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61314030A JPS63166983A (en) | 1986-12-27 | 1986-12-27 | Method for preventing generation of reddish water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61314030A JPS63166983A (en) | 1986-12-27 | 1986-12-27 | Method for preventing generation of reddish water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63166983A true JPS63166983A (en) | 1988-07-11 |
| JPH0581675B2 JPH0581675B2 (en) | 1993-11-15 |
Family
ID=18048367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61314030A Granted JPS63166983A (en) | 1986-12-27 | 1986-12-27 | Method for preventing generation of reddish water |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63166983A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0669286A1 (en) * | 1994-02-24 | 1995-08-30 | Eip Metals Limited | Method of securing a device for inhibiting scale production by galvanic action, to a pipe |
| EP1619271A2 (en) * | 1997-09-30 | 2006-01-25 | Larry L. Russell | Method and apparatus for lead contamination control |
| CN102072360A (en) * | 2009-11-24 | 2011-05-25 | 上海市政工程设计研究总院 | Pipe-jacking cathode protection embedding device and embedding method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5328089U (en) * | 1976-08-14 | 1978-03-10 |
-
1986
- 1986-12-27 JP JP61314030A patent/JPS63166983A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5328089U (en) * | 1976-08-14 | 1978-03-10 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0669286A1 (en) * | 1994-02-24 | 1995-08-30 | Eip Metals Limited | Method of securing a device for inhibiting scale production by galvanic action, to a pipe |
| EP1619271A2 (en) * | 1997-09-30 | 2006-01-25 | Larry L. Russell | Method and apparatus for lead contamination control |
| EP1619271A3 (en) * | 1997-09-30 | 2006-02-01 | Larry L. Russell | Method and apparatus for lead contamination control |
| CN102072360A (en) * | 2009-11-24 | 2011-05-25 | 上海市政工程设计研究总院 | Pipe-jacking cathode protection embedding device and embedding method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0581675B2 (en) | 1993-11-15 |
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