JPH0285193A - Non-conductive material lining metal equipment - Google Patents
Non-conductive material lining metal equipmentInfo
- Publication number
- JPH0285193A JPH0285193A JP63237940A JP23794088A JPH0285193A JP H0285193 A JPH0285193 A JP H0285193A JP 63237940 A JP63237940 A JP 63237940A JP 23794088 A JP23794088 A JP 23794088A JP H0285193 A JPH0285193 A JP H0285193A
- Authority
- JP
- Japan
- Prior art keywords
- conductive material
- material layer
- corrosion
- resistant
- metal
- 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
- 239000002184 metal Substances 0.000 title claims description 18
- 229910052751 metal Inorganic materials 0.000 title claims description 18
- 239000012811 non-conductive material Substances 0.000 title claims description 14
- 230000007797 corrosion Effects 0.000 claims description 21
- 238000005260 corrosion Methods 0.000 claims description 21
- 239000004020 conductor Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 14
- 239000007769 metal material Substances 0.000 claims description 2
- 239000012530 fluid Substances 0.000 description 9
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 239000011521 glass Substances 0.000 description 6
- 239000000057 synthetic resin Substances 0.000 description 6
- 229920003002 synthetic resin Polymers 0.000 description 6
- 239000000835 fiber Substances 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- -1 polyethylene Polymers 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は機器内部の非導電性材層の劣化が金属製機器に
達する前の時点で検知することができる非導電性材料ラ
イニング金属製機器に関するものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention provides a metal device lined with a non-conductive material, in which deterioration of the non-conductive material layer inside the device can be detected before it reaches the metal device. It is related to.
近年、グラススチール(グラメスチール)裏機器のグラ
スダメージ監視装置としてグラスの、ダメージ度を数値
表示する商品が提案されている(神鋼ファウドラー■社
製;商品名「メゾンデーPJ)。In recent years, a product that numerically displays the degree of damage to the glass has been proposed as a glass damage monitoring device for equipment behind glass steel (Glame Steel) (manufactured by Shinko Faudler ■; product name: ``Maison Day PJ'').
これはグラスライニングをしたスチール製機器に関して
グラスにチッピングやクラックが発生すれば、グラスの
電気絶縁抵抗が変わることを利用して、スチール缶体(
金属)と缶内液相中の電極に直流電圧を印加して、グラ
スのダメージを連続監視しようとするものである。This is based on the fact that if chipping or cracking occurs in the glass-lined steel equipment, the electrical insulation resistance of the glass changes.
The aim is to continuously monitor damage to the glass by applying a DC voltage to electrodes in the liquid phase (metal) and the liquid inside the can.
しかしポリ塩化ビニル、ポリエチレンのような合成樹脂
材料に於ては電気絶縁抵抗値が大きくスチール缶体まで
ピンホール、クラック等の欠陥が貫通するまで発見が出
来ない。However, synthetic resin materials such as polyvinyl chloride and polyethylene have large electrical insulation resistance values, and defects such as pinholes and cracks cannot be detected until they penetrate into the steel can.
これ等の欠陥を調べるには、内面からの目視検査、スパ
ークテストによる方法があるが、これらの方法は内容物
を取り除き、かつ人が内部に入って検査をしなければな
らない等の欠点があるので、運転中に、かつ金属製機器
が健全で〔課題を解決するための手段〕
そこで本発明者は上記の欠点を解決するために種々検討
を重ねた結果、金属製材料で作られた機器の内側表面に
耐食性材層、導電性材層及び耐食性非導電性材層を順次
積層し、かつ導電性材層に機器外に導通する導線を設け
ることにより上記課題を解決し、この知見に基づき本発
明を完成した。To check for these defects, there are methods such as visual inspection from the inside and spark test, but these methods have drawbacks such as the need to remove the contents and enter inside for inspection. [Means for Solving the Problem] Therefore, as a result of various studies in order to solve the above-mentioned drawbacks, the inventor of the present invention has developed a device made of metal materials. Based on this knowledge, we solved the above problem by sequentially laminating a corrosion-resistant material layer, a conductive material layer, and a corrosion-resistant non-conductive material layer on the inner surface of the The invention has been completed.
中lは金属製機器、2は耐食性材層、3は導電性材層、
弘は耐食性非導電性材層、りは導線、//は内部流体で
ある。1 is a metal device, 2 is a corrosion-resistant material layer, 3 is a conductive material layer,
弘 is a corrosion-resistant non-conductive material layer, ri is a conductive wire, and // is an internal fluid.
金属製機器lは一般構造用圧延鋼材、ボイラー用圧延鋼
材、溶接用圧延鋼材、低合金鋼、ステンレス鋼、鋳鉄・
鋳鋼材等で作られた塔、槽、熱交換器、ポンプ等である
。Metal equipment includes rolled steel for general structures, rolled steel for boilers, rolled steel for welding, low alloy steel, stainless steel, cast iron, etc.
These are towers, tanks, heat exchangers, pumps, etc. made of cast steel.
耐食性材層λは金属製機器lの内側表面と導電性材層3
との間に耐食性を持たせるもので、通常は後述する耐食
性非導電性材層弘と同じものが用いられるがこれは導電
性であっても差し支えない。該層の厚さは1〜3圏程度
である。The corrosion-resistant material layer λ is the inner surface of the metal device 1 and the conductive material layer 3.
The same material as the corrosion-resistant non-conductive material layer described later is usually used, but it may also be conductive. The thickness of the layer is about 1 to 3 mm thick.
耐食性材層2の上に積層される導電性材層3は、電気抵
抗値がio3Ω−m以下の材質のもので鉄、銅、ニッケ
ル等の金属粉、カーボンブラック粉等の導電性物質をポ
リ塩化ビニル、テフロン、ポリエチレン、ホリフロピレ
ン、ナイロン、ポリカーボネート、フェノール樹脂、エ
ポキシ樹脂、不飽和/ポリエステル樹脂等の合成樹脂マ
トリックスと混合したもの、前記金属の短繊維、炭素繊
維の短繊維を前記合成樹脂と混合したもの、前記金属の
長繊維、炭素繊維の長繊維を並べたもの、編んだもの、
織ったものに前記合成樹脂を含浸させたもの、あるいは
前記合成樹脂のフィルムに前記金属や炭素をコーティン
グしたもの等が用いられるが、特に金属粉、度である。The conductive material layer 3 laminated on the corrosion-resistant material layer 2 is made of a material with an electrical resistance value of io3Ω-m or less, and is made of a conductive material such as metal powder such as iron, copper, or nickel, or carbon black powder, etc. Mixed with a synthetic resin matrix such as vinyl chloride, Teflon, polyethylene, holiflopyrene, nylon, polycarbonate, phenol resin, epoxy resin, unsaturated/polyester resin, short fibers of the above metals, short fibers of carbon fibers and the above synthetic resins. Mixtures, long fibers of the above metals, long fibers of carbon fibers lined up, knitted ones,
A woven material impregnated with the synthetic resin, or a film of the synthetic resin coated with the metal or carbon, etc., are used, and metal powder and carbon are particularly used.
耐食性非導電性材層弘は、金属製機器に耐食性を持たせ
るために通常ライニングされる耐食材のうち電気抵抗値
が108Ω−m以上のものが用いられる。例えばグラス
、セラミックス及び前記した合成樹脂等があげられる。As the corrosion-resistant non-conductive material layer, a material having an electrical resistance value of 10 8 Ω-m or more is used among the corrosion-resistant materials that are normally lined to provide corrosion resistance to metal devices. Examples include glass, ceramics, and the above-mentioned synthetic resins.
該層の厚さは/ −j m程度である。The thickness of this layer is approximately /-j m.
導線tは、導電性材層3を金属製機器l外の間を電気的
に絶縁しておく必要がある。The conducting wire t needs to electrically insulate the conductive material layer 3 from the metal device l.
検電装置りは、電源6及び記録計、表示器、警報器等の
電流又は電圧の検知器7より構成される。The voltage detection device is composed of a power source 6 and a current or voltage detector 7 such as a recorder, display, alarm, etc.
導線rの他端は耐食性非導電性材層Vの表面側に設けら
れるセンサー!に接続される。検電装置り及びセンサー
jFi常時設置しておいても良いが、耐食性非導電性材
層μの劣化状態を検電にこのように構成された本発明装
置の作用機構を説明する。The other end of the conductive wire r is a sensor provided on the surface side of the corrosion-resistant non-conductive material layer V! connected to. Although the voltage detecting device and the sensor jFi may be installed at all times, the operating mechanism of the device of the present invention configured in this way will be explained for detecting the deteriorated state of the corrosion-resistant non-conductive material layer μ.
内面側の流体、使用条件等により内面側の耐食性非導電
性材層lが劣化し、割れ、腐食等が発生しく図中10)
導電性の内部流体//と導電性材層3との間に電気的導
通が始まれば、あらかじめ導線ざに加えられた印加電圧
により、電流が流れ、検知器7が動作し、ライニングの
異常を知ることができる。The corrosion-resistant non-conductive material layer l on the inner surface may deteriorate due to the fluid on the inner surface, usage conditions, etc., resulting in cracking, corrosion, etc. (10) in the figure.
When electrical continuity begins between the conductive internal fluid // and the conductive material layer 3, a current flows due to the applied voltage applied to the conductor wire in advance, and the detector 7 is activated to detect abnormalities in the lining. You can know.
検知器7が動作した時点では金属製機器lへの内部流体
//の影響は、内部流体//が導電性材層3及び耐食性
材層!で遮断されているの電性材層μの劣化に至るまで
の寿命と残りの耐食性材層λの関係から推定し、決定す
ればよい。At the time when the detector 7 is activated, the influence of the internal fluid // on the metal device l is that the internal fluid // is connected to the conductive material layer 3 and the corrosion-resistant material layer! This can be determined by estimating the relationship between the life of the electrically conductive material layer μ until it deteriorates and the remaining corrosion-resistant material layer λ.
状態を検査する際は導電性流体である必要があるO
〔作 用〕
内面側の流体を導電性の流体と交換した後、センサーよ
と導線tとの間の導通の状態を前述しグ
た方法により検出すれば良い。When inspecting the condition, it is necessary to use a conductive fluid. [Operation] After replacing the fluid on the inner surface with a conductive fluid, check the state of continuity between the sensor and the conductor t as described above. It can be detected by any method.
以上説明したように、本発明の機器はライニングの異常
の発生を、金属製機器への影響が出る前に予知し、適切
な時期での点検及び補修が可能となる利点がある。As explained above, the equipment of the present invention has the advantage of being able to predict the occurrence of abnormality in the lining before it affects the metal equipment, making it possible to inspect and repair the equipment at an appropriate time.
金属製機器 耐食性材層(外側) 導電性材層 耐食性非導電性材層(内側) センサー 電 源 検知器 導 線 検電装置 耐食性非導電性材層グの割れ 内部流体 metal equipment Corrosion-resistant material layer (outside) conductive material layer Corrosion-resistant non-conductive material layer (inner) sensor power supply detector Leading line Voltage detection device Cracks in corrosion-resistant non-conductive material layer internal fluid
Claims (1)
、導電性材層及び耐食性非導電性材層を順次積層し、か
つ導電性材層に機器外に導通する導線を設けたことを特
徴とする非導電性材料ライニング金属製機器。(1) A corrosion-resistant material layer, a conductive material layer, and a corrosion-resistant non-conductive material layer are sequentially laminated on the inner surface of a device made of metal materials, and a conductive wire is provided in the conductive material layer to conduct to the outside of the device. Non-conductive material lined metal equipment characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63237940A JPH0285193A (en) | 1988-09-22 | 1988-09-22 | Non-conductive material lining metal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63237940A JPH0285193A (en) | 1988-09-22 | 1988-09-22 | Non-conductive material lining metal equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0285193A true JPH0285193A (en) | 1990-03-26 |
Family
ID=17022715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63237940A Pending JPH0285193A (en) | 1988-09-22 | 1988-09-22 | Non-conductive material lining metal equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0285193A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004347115A (en) * | 2003-05-20 | 2004-12-09 | Prominent Dosiertechnik Gmbh | Sensor membrane plate |
| WO2020149371A1 (en) * | 2019-01-18 | 2020-07-23 | 東邦化成株式会社 | Electrical resistance measuring instrument, and electrical resistance measuring method employing same |
| WO2025173431A1 (en) * | 2024-02-15 | 2025-08-21 | 株式会社バルカー | Lined container |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58196449A (en) * | 1982-05-12 | 1983-11-15 | Hitachi Ltd | Lining damage detection device for resin lined tanks |
| JPS62140059A (en) * | 1985-12-16 | 1987-06-23 | Idemitsu Eng Kk | Method for detecting flaw of lining |
-
1988
- 1988-09-22 JP JP63237940A patent/JPH0285193A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58196449A (en) * | 1982-05-12 | 1983-11-15 | Hitachi Ltd | Lining damage detection device for resin lined tanks |
| JPS62140059A (en) * | 1985-12-16 | 1987-06-23 | Idemitsu Eng Kk | Method for detecting flaw of lining |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004347115A (en) * | 2003-05-20 | 2004-12-09 | Prominent Dosiertechnik Gmbh | Sensor membrane plate |
| WO2020149371A1 (en) * | 2019-01-18 | 2020-07-23 | 東邦化成株式会社 | Electrical resistance measuring instrument, and electrical resistance measuring method employing same |
| WO2025173431A1 (en) * | 2024-02-15 | 2025-08-21 | 株式会社バルカー | Lined container |
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