JP5412823B2 - Heat water wire coke mobile - Google Patents

Heat water wire coke mobile

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JP5412823B2
JP5412823B2 JP2008320058A JP2008320058A JP5412823B2 JP 5412823 B2 JP5412823 B2 JP 5412823B2 JP 2008320058 A JP2008320058 A JP 2008320058A JP 2008320058 A JP2008320058 A JP 2008320058A JP 5412823 B2 JP5412823 B2 JP 5412823B2
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JP2010146766A (en )
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和宣 江藤
弘之 堀下
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Jfeスチール株式会社
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/10Adapting or protecting infrastructure or their operation in energy generation or distribution
    • Y02A30/14Extreme weather resilient electric power supply system, e.g. strengthening power lines or underground power cables

Description

本発明は、 コークス移動機用耐熱耐水電線に関し、特に、コークス移動機等の高温環境で長期間安定使用可能であり、かつ、コークス移動機周辺では水洗による散水があるため耐水性も付加した、 コークス移動機用耐熱耐水電線に関する。 The present invention relates to heat water wire coke mobile, in particular, a long-term stable available in a high temperature environment of the coke moving machine or the like, and were also added water resistance because of the water spray by the water washing around coke mobile, about heat water wire coke mobile.

特許文献1には、長時間の耐火試験に耐えうる高耐火特性を備えた耐火ケーブルとして、導体、耐火層、絶縁層、難燃性シースからなる耐火ケーブルの耐火層をアルミナクロスと集成マイカなどの他の耐火材との複合絶縁テープで構成したものが記載されている。 Patent Document 1, as a fire-proof cable having a high refractory properties to withstand long-time fire test, the conductor, the refractory layer, an insulating layer, a refractory layer of fire-proof cable consisting of flame retardant sheath with alumina cloth mica etc. those composed of a composite insulation tape with other refractory materials have been described.
特許文献2には、可撓性、耐熱性、耐延焼性、耐水性、耐油性という条件を全て満足する不燃電線として、導体上に耐熱温度500℃以上の無機質の可撓性絶縁層を設けて絶縁線心を形成し、この線心またはこの線心を複数本撚り合せたものをコアにして、このコアを構成する絶縁線心のそれぞれの外方に、フッ素系有機材料の押出し被覆層および無機質の可撓性外被を順次設けたものが記載されている。 Patent Document 2, provided flexibility, heat resistance, 耐延 sintered resistance, water resistance, as all satisfying nonflammable wire the condition that oil resistance, the flexible insulation layer of the heat-resistant temperature of 500 ° C. or more inorganic on the conductor Te to form an insulating core wires, in this Sensing or core what the Sensing combined plurality of twisted, each of the outside of the insulating core wires constituting the core, extrusion coating layer of a fluorine-based organic material and that successively provided a flexible envelope inorganic is described.
特開2000−331546号公報 JP 2000-331546 JP 特開昭62−103912号公報 JP-A-62-103912 JP

従来、800〜1000℃程度の雰囲気に数分間さらされることが頻発するコークス移動機の周辺で使用する電線(ケーブルとも称される)は、耐熱性を考慮したものを多数使用してきているが、耐水性を考慮したものは未使用であり、熱、水、腐食性ガスによる劣化が著しく顕著となり、長期安定使用が困難となっている。 Conventionally, the wire used in the periphery of the coke mobile station to be frequently be exposed for a few minutes to an atmosphere of about 800 to 1000 ° C. (also called cable) have been used a number of things in consideration of heat resistance, takes into account the water resistance is not used, heat, water, degradation becomes significantly noticeable by corrosive gases, long-term stability used is difficult.
特許文献1に記載の耐火ケーブルでは、耐水性を持たせるために、シース(外被)構成材に難燃性を持たせるための添加剤を脂肪酸金属塩、シラン系カップリング剤、チタネート系カップリング剤等で処理する手段が講じられる(特許文献1の段落0018〜0019)が、コークス移動機周辺のような長期にわたる高温環境に曝されると、これら外被部材の薬剤処理により付与された耐水性能は早期に劣化して、電線の交換頻度が高くなる憂いがある。 The fire-proof cable described in Patent Document 1, in order to impart water resistance, the sheath (jacket) additives fatty acid metal salt for imparting flame retardancy to construction materials, silane coupling agents, titanate coupling means for processing the ring agent are taken (paragraphs 0018 to 0019 of Patent Document 1), when exposed to long-term high-temperature environments, such as near the coke mobile, conferred by the drug treatment of jacket member water resistant performance is degraded at an early stage, there is a sorrow that the frequency of replacement of the wire is high. また、外被ベース材がポリマーであるため、コークス移動機からの落骸等により外被が損傷し易いという難点もある。 Further, since the envelope base material is a polymer, there is also a drawback that it is easy envelope is damaged by 落骸 like from coke mobile.

特許文献2に記載の不燃電線は、耐水性を考慮して外被直下にフッ素系有機材料の押出し被覆層が設けられているものの、コークス移動機のような長期にわたる高温環境に曝されると、外被直下のフッ素系有機材料がその耐熱温度を超えることがあり、劣化の進行が早くて耐水性の確保が困難となって、電線の交換頻度が高くなる憂いがある。 Incombustible wire described in Patent Document 2, although extrusion coating layer of a fluorine-based organic material immediately below the envelope in consideration of water resistance is provided when exposed to long-term high-temperature environments, such as coke mobile , may fluorinated organic material immediately below the envelope exceeds its refractory temperature, it becomes difficult to secure the water resistance faster progress of degradation, there is anxiety that the frequency of replacement of the electric wire becomes high. また、外被がセラミック繊維の編組で構成されているため、コークス移動機からの落骸等により外被が損傷し易いという難点もある。 Further, since the envelope is composed of braided ceramic fibers, there is also a drawback that it is easy envelope is damaged by 落骸 like from coke mobile.

上述のように、従来の耐火性・耐水性電線は、コークス移動機のような長期にわたり高温に曝されかつ散水や落骸も受ける苛酷な環境での長期安定使用は不可能であるという課題があった。 As described above, the conventional fire resistance, water resistance wire, the problem that long-term stable use in harsh environments for a long time, such as coke mobile exposed to high temperatures and watering and 落骸 also receiving is not possible there were.

本発明は、前記課題を解決するための手段であって、その要旨構成は以下の通りである。 The present invention provides a means for solving the problems, the summary and construction is as follows.
(請求項1) (Claim 1)
導体と、該導体の外周部を被覆するPFAすなわちテトラフルオロエチレン‐パーフルオロアルキルビニルエーテル共重合体を用いてなるフッ素樹脂層と、該フッ素樹脂層の外周部を被覆するセラミック繊維の編組とからなる心線と、該心線の外周部を被覆するステンレス鋼素線の編組で形成した編組密度90%以上の外被とからなることを特徴とするコークス移動機用耐熱耐水電線。 Consists of a obtained by using a perfluoroalkyl vinyl ether copolymer fluororesin layer, braided ceramic fibers covering the outer periphery of the fluororesin layer - and the conductor, PFA i.e. tetrafluoroethylene covering the outer periphery of the conductor core wire and, core wire outer periphery coke mobile machine heat water electric wires, comprising the braid density of 90% or more of the enveloping city formed by braided stainless steel wire covering the.
(請求項2) (Claim 2)
導体と、該導体の外周部を被覆するPFAすなわちテトラフルオロエチレン‐パーフルオロアルキルビニルエーテル共重合体を用いてなるフッ素樹脂層と、該フッ素樹脂層の外周部を被覆するセラミック繊維の編組とからなる心線と、該心線の複数本を介在と共に撚り合せてなる撚合線の外周部を被覆するセラミック繊維の編組と、 前記撚合線の外周部を被覆するセラミック繊維の編組の外周部を被覆するステンレス鋼素線の編組で形成した編組密度90%以上の外被とからなることを特徴とするコークス移動機用耐熱耐水電線 Consists of a obtained by using a perfluoroalkyl vinyl ether copolymer fluororesin layer, braided ceramic fibers covering the outer periphery of the fluororesin layer - and the conductor, PFA i.e. tetrafluoroethylene covering the outer periphery of the conductor and the core wire, and the braid of ceramic fibers covering the outer periphery of the twisted wire made by twisting together interposing a plurality of core wire, an outer peripheral portion of the braided ceramic fibers covering the outer periphery of the twisted wire heat water wire coke mobile station characterized by comprising the formed braided stainless steel wire covering braiding density of 90% or more of the envelope and.

本発明の耐熱耐水電線(略して本発明電線)では、耐水性を確保するためのフッ素樹脂層の外周部が、セラミック繊維の編組と、ステンレス鋼素線の編組密度90%以上の編組外被とで、二重(撚合線とした場合は三重あるいはそれ以上)に被覆されているので、コークス移動機のような長期にわたる高温環境に曝されても、フッ素樹脂がその耐熱温度を超え難い。 In heat water wire of the present invention (abbreviated present invention wire), the outer peripheral portion of the fluororesin layer to ensure water resistance, and the braid of ceramic fibers, braided jacket of braided density of 90% or more of stainless steel wires and, since (in case of a twisted wire triple or more) double covered, even when exposed to long-term high-temperature environments, such as coke mobile, fluororesin hardly exceed its heat resistant temperature . また、外被をステンレス鋼素線の編組密度90%以上の編組で形成したので、落骸等を受けても損傷し難い。 Further, since the envelope is formed by braiding density of 90% or more of the braid of stainless steel wire, hardly damaged even when subjected to 落骸 like. したがって、本発明によれば、コークス移動機のような長期にわたり高温に曝されかつ散水や落骸も受ける苛酷な環境中でも、電線の長期安定使用が可能となる。 Therefore, according to the present invention, even in harsh environments where long-term, such as coke mobile exposed to high temperatures and watering and 落骸 also receives, enabling long-term stable use of the wire. また、外被がステンレス鋼素線の編組密度90%以上の編組で形成されているため、電線管やフレキ管などの保護管を使用せず裸線のまま布設することが可能であり、それゆえ、付帯費を低減できるという効果や、本発明電線からの異常信号検出時に即座に目視で外傷を確認できて故障復旧時間を短縮できるという効果もある。 Further, since the envelope is formed by braiding density of 90% or more of the braid of stainless steel wire, it is possible to laying bare wire without using a protective tube, such as a conduit or a flexible pipe, it Therefore, there is effect and of reducing the attendant costs, also an effect that the trauma in immediately visually abnormal signal detection from the present invention the wire can be shortened can be fault recovery time confirmation.

図1は、本発明電線の心線が1本の場合(1芯型)の1例を示す断面模式図である。 Figure 1 is a core wire of the present invention the wire is a schematic sectional view showing an example of the case of one (1 core type). この例は、導体1の外周部にフッ素樹脂層2を形成し、該フッ素樹脂層の外周部をセラミック繊維の編組3で被覆して心線10を形成し、該心線10の外周部をステンレス鋼素線の編組で形成した編組密度90%以上の外被4で被覆したものである。 This example forms a fluorine resin layer 2 on the outer periphery of the conductor 1, the core wire 10 is formed by covering the outer periphery of the fluororesin layer braided 3 of ceramic fiber, the outer peripheral portion of the core wire 10 outside of the braid density of 90% or more which is formed by braided stainless steel wire is obtained by coating with the 4.
図2は、本発明電線の心線が2本の場合(2芯型)の1例を示す断面模式図である。 Figure 2 is a cross-sectional schematic view showing an example of the case core wire of the present invention wires of the two (2 core type). この例は、導体1の外周部にフッ素樹脂層2を形成し、該フッ素樹脂層の外周部をセラミック繊維の編組3Aで被覆して心線10を形成し、2本の心線10A,10Bを介在5と共に撚り合せて撚合線11となし、該撚合線11の外周部を被覆するセラミック繊維の編組3Bと、該セラミック繊維の編組3Bの外周部をステンレス鋼素線の編組で形成した編組密度90%以上の外被4で被覆したものである。 This example forms a fluorine resin layer 2 on the outer periphery of the conductor 1, the core wire 10 is formed by covering the outer periphery of the fluororesin layer braided 3A of ceramic fibers, two cores 10A, 10B the by twisting together intervening 5 Yogosen 11 ungated, forming a braid 3B ceramic fibers covering the outer peripheral portion of 該撚 case line 11, the outer peripheral portion of the braid 3B of the ceramic fibers in braided stainless steel wire those coated with braiding density of 90% or more of the envelope 4 that.

導体としては、ニッケル線、銅線、ニッケル被覆銅線などが挙げられる。 The conductor, nickel wire, copper wire, and nickel-coated copper wire.
フッ素樹脂としては、十分な疎水性を有し、耐熱温度が比較的高く、かつ、熱可塑性を有して押出成形による電線被覆加工用に適するという点から、PFAすなわちテトラフルオロエチレン‐パーフルオロアルキルビニルエーテル共重合体が好適である。 As the fluorine resin, have sufficient hydrophobicity, heat resistance temperature is relatively high, and, in terms of being suitable for wire coating processing by extrusion with a thermoplastic, PFA i.e. tetrafluoroethylene - perfluoroalkyl vinyl ether copolymer is preferred.
セラミック繊維としては、例えばAl を主成分とし、SiO ,B ,Fe 等を含有したセラミック長繊維が好ましい。 As the ceramic fibers, for example, mainly composed of Al 2 O 3, SiO 2, B 2 O 3, Fe 2 O 3 such as a ceramic long fibers contained is preferable. なお、本発明電線の製造過程において、セラミック繊維の編組を形成した後、該編組に耐熱ワニスを塗布し焼き付け乾燥処理を行うのが好ましい。 In the production process of the present invention the wire, after forming the braid of ceramic fibers, preferably heat varnish was applied to the braid perform baking and drying treatment.

介在としては、例えばガラス繊維が挙げられる。 The intervening, include, for example, glass fibers.
外被をなすステンレス鋼素線は、その編組密度が90%に満たないと、電線を落骸等による損傷から保護することが困難であるため、編組密度が90%以上となるように編組する必要がある。 Stainless steel wire forming the mantle, when the braid density is less than 90%, it is difficult to protect the wires from damage due 落骸 like, braid density is braided such that the 90% There is a need. ステンレス鋼素線の鋼種としては、SUSの304,302B,309,310,XM15J1,410S,430,446などが挙げられる。 The grades of stainless steel wire, SUS of 304,302B, 309,310, XM15J1,410S, like 430,446.

以下、実施例を挙げて本発明をさらに詳しく説明する。 Following examples further illustrate the present invention.
この実施例では、図2に示した断面形状の本発明電線(2芯型)を製作した。 In this example, the preparation of this invention the wire (2 core type) cross-sectional shape shown in FIG. 該製作にあたり、導体1は、直径0.26mmのニッケル被覆銅線(28Ni)24本を適当なピッチで撚り合せたものを使用し、フッ素樹脂層2は、導体1外周部にPFAを押出成形被覆することにより形成した。 Upon formulation work, conductor 1 is to use what twisted nickel-coated copper wire (28Ni) 24 present a diameter of 0.26mm at a suitable pitch, fluoroplastic layer 2 extruded PFA to conductor 1 outer peripheral portion It was formed by coating. 該形成した成品の外周部に、Al を主成分とし、SiO ,B ,Fe 等を含有したセラミック長繊維からなるセラミック糸で一重の編組3Aを形成し、該編組3Aに耐熱ワニスを塗布し焼き付け乾燥処理を行って外径3.1mmの2本の心線10A,10Bを得た。 The outer peripheral portion of the formed article obtained by the formation, as a main component Al 2 O 3, to form the SiO 2, B 2 O 3, Fe 2 O 3 or the like single braided 3A ceramic yarn comprising ceramic long fibers containing, to give two core 10A of the outer diameter of 3.1 mm, and 10B to the braid 3A performs heat varnish coating baking and drying process. これらの心線10A,10Bを、ガラス繊維からなる介在5と共に撚り合せて2芯型の撚合線11となし、該撚合線11の外周部に前記と同種のセラミック糸で一重の編組3Bを形成し、該編組3Bに耐熱ワニスを塗布し焼き付け乾燥処理を行い、該乾燥後の編組3Bの外周部に直径0.12mmのSUS304ステンレス鋼素線で編組密度90%以上の密な編組を形成して外径7.6mmの本実施例電線を得た。 These cores 10A, 10B and, by twisting together intervening 5 made of glass fiber two-core type Yogosen 11 ungated, single braid 3B ceramic yarn of the same kind in the outer peripheral portion of the 該撚 focus line 11 forming a, was coated by baking and drying process the heat varnish braid 3B, a dense braid of the braid density of 90% or more of SUS304 stainless steel element wire having a diameter of 0.12mm on the outer periphery of the braid 3B after the drying formed to give the present embodiment wire having an outer diameter of 7.6mm to.

本実施例電線の電気的特性に関して、導体抵抗、耐電圧値は、通常の耐熱電線と大差なく、コークス移動機用ケーブルとして問題なく使用可能である。 Regard the electrical characteristics of the present embodiment wire conductor resistance, withstand voltage value is not normal heat wires so different, it can be used without problems as a cable coke mobile.
本実施例電線は、本発明者らが所属する製鉄所のコークス工場において、ガイド車リフター(コークス移動機に類する)周りのセンサ行きケーブルに適用され、また、装炭車にも適用された。 This example wires, in coke plants steelworks present inventors belong is applied to the guide wheel lifter (similar coke mobile) around the sensor bound cables, also it is applied to instrumentation Tansha. 本実施例電線の適用前は、通常の耐熱電線(図3に例示)を用いており、高温・散水・落骸等の苛酷な使用環境下で、半年程度で劣化断線していたが、本実施例電線の適用後は、2〜3年もの長期安定使用が可能となった。 Before application of the present embodiment wire is using conventional heat wire (illustrated in FIG. 3), in a severe use environment such as high temperature, watering-落骸, had deteriorated broken in about six months, the after application of the embodiment the wire is long-term stability the use of even two to three years it has become possible.

本発明電線の心線が1本の場合(1芯型)の1例を示す断面模式図 Cross-sectional schematic view showing an example of the case core wire of the present invention wires of one (1 core type) 本発明電線の心線が2本の場合(2芯型)の1例を示す断面模式図 Cross-sectional schematic view showing an example of the case core wire of the present invention wires of the two (2 core type) 通常の耐熱電線の1例を示す断面模式図 Cross-sectional schematic view showing an example of conventional heat wire

符号の説明 DESCRIPTION OF SYMBOLS

1 導体2 フッ素樹脂層3,3A,3B セラミック繊維の編組4 ステンレス鋼素線の編組で形成した編組密度90%以上の外被5 介在 1 conductor 2 fluororesin layer 3, 3A, 3B ceramic fiber mantle 5 intervening braid 4 or braid density of 90% formed by braided stainless steel wire of
10,10A,10B 心線 10,10A, 10B core wire
11 撚合線 11 Yogosen

Claims (2)

  1. 導体と、該導体の外周部を被覆するPFAすなわちテトラフルオロエチレン‐パーフルオロアルキルビニルエーテル共重合体を用いてなるフッ素樹脂層と、該フッ素樹脂層の外周部を被覆するセラミック繊維の編組とからなる心線と、該心線の外周部を被覆するステンレス鋼素線の編組で形成した編組密度90%以上の外被とからなることを特徴とするコークス移動機用耐熱耐水電線。 Consists of a obtained by using a perfluoroalkyl vinyl ether copolymer fluororesin layer, braided ceramic fibers covering the outer periphery of the fluororesin layer - and the conductor, PFA i.e. tetrafluoroethylene covering the outer periphery of the conductor core wire and, core wire outer periphery coke mobile machine heat water electric wires, comprising the braid density of 90% or more of the enveloping city formed by braided stainless steel wire covering the.
  2. 導体と、該導体の外周部を被覆するPFAすなわちテトラフルオロエチレン‐パーフルオロアルキルビニルエーテル共重合体を用いてなるフッ素樹脂層と、該フッ素樹脂層の外周部を被覆するセラミック繊維の編組とからなる心線と、該心線の複数本を介在と共に撚り合せてなる撚合線の外周部を被覆するセラミック繊維の編組と、 前記撚合線の外周部を被覆するセラミック繊維の編組の外周部を被覆するステンレス鋼素線の編組で形成した編組密度90%以上の外被とからなることを特徴とするコークス移動機用耐熱耐水電線。 Consists of a obtained by using a perfluoroalkyl vinyl ether copolymer fluororesin layer, braided ceramic fibers covering the outer periphery of the fluororesin layer - and the conductor, PFA i.e. tetrafluoroethylene covering the outer periphery of the conductor and the core wire, and the braid of ceramic fibers covering the outer periphery of the twisted wire made by twisting together interposing a plurality of core wire, an outer peripheral portion of the braided ceramic fibers covering the outer periphery of the twisted wire heat water wire coke mobile station characterized by comprising the formed braided stainless steel wire covering braiding density of 90% or more of the envelope and.
JP2008320058A 2008-12-16 2008-12-16 Heat water wire coke mobile Active JP5412823B2 (en)

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JP2013157259A (en) * 2012-01-31 2013-08-15 Yokogawa Denshikiki Co Ltd Heat-resistant electric wire
CN103226998A (en) * 2012-12-26 2013-07-31 嘉兴市天信电线有限公司 Special cable for electric vehicle
KR101459112B1 (en) * 2013-08-30 2014-11-07 제이에스전선 주식회사 Fire resistance cable
CN104392782A (en) * 2014-11-27 2015-03-04 江苏红峰电缆集团有限公司 Reinforced waterproof cable
CN106024119A (en) * 2016-07-06 2016-10-12 芜湖航天特种电缆厂股份有限公司 Waterproof cable filled with silicone rubber, and preparation method thereof

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US4761519A (en) * 1987-01-29 1988-08-02 Precision Interconnect Corporation Highly flexible, shielded, multi-conductor electrical cable
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