JPH0285193A - Non-conductive material lining metal equipment - Google Patents

Non-conductive material lining metal equipment

Info

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
Application number
JP63237940A
Other languages
Japanese (ja)
Inventor
Takehisa Nakamura
武久 中村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Kasei Corp
Mitsubishi Chemical Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Kasei Corp, Mitsubishi Chemical Industries Ltd filed Critical Mitsubishi Kasei Corp
Priority to JP63237940A priority Critical patent/JPH0285193A/en
Publication of JPH0285193A publication Critical patent/JPH0285193A/en
Pending legal-status Critical Current

Links

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.

〔従来の技術〕[Conventional technology]

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.

〔発明が解決しようとする課題〕[Problem to be solved by the invention]

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.

〔発明の効果〕〔Effect of the invention〕

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.

【図面の簡単な説明】[Brief explanation of drawings]

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)

【特許請求の範囲】[Claims] (1)金属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:
JP63237940A 1988-09-22 1988-09-22 Non-conductive material lining metal equipment Pending JPH0285193A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
US5378991A (en) Detecting degradation of non-conductive inert wall layers in fluid containers
US5341128A (en) Sensor element for detection of hydrocarbons
US5865971A (en) Sealing ring with electrochemical sensing electrode
US20100127460A1 (en) Seals with integrated leak detection capability
JP6550389B2 (en) Leakage monitoring system for objects surrounding a space and their connection
US4112417A (en) Apparatus for detecting leakage of liquid sodium
CA1184782A (en) Method and apparatus for detecting corrosion rate
US20070229095A1 (en) Method and apparatus for corrosion detection
JP6815841B2 (en) Corrosion monitoring device
US5171524A (en) Apparatus for detecting corrosive conditions in pipelines
US3831085A (en) Reactor vessel lining testing method and apparatus
JPH0285193A (en) Non-conductive material lining metal equipment
CN111254443B (en) A device and method for detecting and controlling stray current in seawater pipelines
KR102737047B1 (en) Gasket-type sacrificial anode for a flange equipped with a sensor and a leakage detection system using the same
US2766442A (en) Leak detection apparatus
Agarwala et al. Thin Film Microsensors for Integrity of Coatings, Composites and Hidden Structures
JPH02136234A (en) Metal equipment coated with corrosion-resistant material
JPS5988634A (en) Leak detecting apparatus for lining tank
US5795461A (en) Electrode system for monitoring corrosion
JPH0427855A (en) Apparatus and method for detecting defect
CN109488889A (en) The online test method of in-service metallic conduit insulated liner layer status
US10883951B2 (en) Arrangement and method for detecting damage to an inner coating of a container
JP2000081362A (en) Storage tank leak detection device
US3410764A (en) Corrosion detecting and analyzing devices
JPH03160354A (en) Corrosion monitoring method for tank bottom plate