JP2016113586A - Coke guide car guideway - Google Patents
Coke guide car guideway Download PDFInfo
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- JP2016113586A JP2016113586A JP2014255209A JP2014255209A JP2016113586A JP 2016113586 A JP2016113586 A JP 2016113586A JP 2014255209 A JP2014255209 A JP 2014255209A JP 2014255209 A JP2014255209 A JP 2014255209A JP 2016113586 A JP2016113586 A JP 2016113586A
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- Prior art keywords
- guideway
- coke
- coke guide
- guide car
- plate member
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- 239000000571 coke Substances 0.000 title claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 19
- 239000010959 steel Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims description 15
- 238000012423 maintenance Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Framework For Endless Conveyors (AREA)
- Metal Rolling (AREA)
Abstract
Description
本発明は、コークスガイド車のガイドウェイの改良、特に、ガイドウェイの支持枠に固定されるプレート部材に係るものである。 The present invention relates to an improvement of a guideway of a coke guide car, and particularly to a plate member fixed to a support frame of the guideway.
コークスガイド車には、コークス炉から押出機によって押し出される赤熱コークスを消火バケットに案内・誘導するためのガイドウェイ（ケージともいう）がある。このガイドウェイは、コークスガイド車の上部に取り付けられた機枠に車輪を介して吊り下げられており、コークスガイド車の走行（進行）方向に対して直角方向に前後進する機能を有している。特許文献１に記載される従来のガイドウェイ（ガイドフレーム）は、図２に示されるように、高さ方向に並設された平板若しくは溝型鋼（プレート部材）とそれらを繋ぐ支持枠、これらの構造物の上縁部並びに下縁部を連結する上板並びに下板、等によって構成されるが、ガイドウェイの前記構造物は、赤熱コークスがガイドウェイ内を断続的に通るたびに、加熱と冷却が繰り返されるという急激な温度変化に晒される。この温度変化によって、平板や溝型鋼（プレート部材）にはその都度熱膨張及び収縮が発生する。
The coke guide wheel has a guideway (also referred to as a cage) for guiding and guiding red hot coke pushed out from a coke oven by an extruder to a fire extinguishing bucket. This guideway is suspended from a machine frame attached to the upper part of the coke guide car via wheels, and has a function of moving forward and backward in a direction perpendicular to the traveling (traveling) direction of the coke guide car. Yes. As shown in FIG. 2, a conventional guideway (guide frame) described in
また、ガイドウェイに赤熱コークスが押し詰まると、ガイドウェイ内に赤熱コークスが長時間滞留してしまう。この滞留したコークスを除去するために、作業員がコークスに散水し、コークスをガイドウェイから除去する必要があるが、急激な温度変化の影響で平板もしくは溝型鋼のプレート部材が膨張及び収縮するために、平板もしくは溝型鋼の変形が大きくなり、ガイドウェイのコークスが通過する箇所の幅が狭くなったり、広がったりする。そのため、平板若しくは溝型鋼の変形により、コークスを円滑に案内することができなくなり、押出し負荷の増加による押し詰まりの頻発や、ガイドウェイと押出機のプッシャーロッドとの干渉によるガイドウェイの落下が発生する。また、平板若しくは溝型鋼の交換周期が短くなり、メンテナンスコストが増加する問題が発生していた。 In addition, when red hot coke is clogged in the guideway, the red hot coke stays in the guideway for a long time. In order to remove the accumulated coke, it is necessary for the worker to sprinkle the coke and remove the coke from the guideway, but the plate member of the flat plate or the grooved steel expands and contracts due to the influence of a rapid temperature change. In addition, the deformation of the flat plate or the grooved steel increases, and the width of the portion of the guideway through which the coke passes becomes narrower or wider. For this reason, coke cannot be guided smoothly due to deformation of the flat plate or groove steel, frequent clogging due to an increase in the extrusion load, and dropping of the guideway due to interference between the guideway and the pusher rod of the extruder occurs. To do. In addition, there has been a problem that the replacement cycle of the flat plate or the groove steel is shortened and the maintenance cost is increased.
本発明は、上記の従来技術の欠点を克服するため、変形量が少ない形状の型鋼部材をプレート部材に使用することを課題とする。 An object of the present invention is to use a steel plate member having a small deformation amount for a plate member in order to overcome the above-described drawbacks of the prior art.
本発明の課題は、特許請求の範囲に記載された発明特定事項によって解決される。すなわち、上記したように、従来は、ガイドウェイのプレート部材に平板若しくは溝型鋼（図２参照）を使用していたが、後述する実験の結果より、断面ロ字状のコラム材をプレート部材に使用することにより、プレート部材の熱変形を抑制し、問題の解決を図るものである。 The problems of the present invention are solved by the invention-specific matters described in the claims. That is, as described above, conventionally, a plate member or a grooved steel (see FIG. 2) has been used for the plate member of the guideway. By using it, the thermal deformation of the plate member is suppressed and the problem is solved.
本発明によれば、コークスガイド車のガイドウェイのプレート部材に断面ロ字状のコラム材を使用することにより、その変形を抑えて、押し詰まりの頻度を減少させる。これにより、１．コークスを確実に消火バケットまで案内して、円滑な操業を維持し、２．ガイドウェイ内に滞留するコークスの掻き出し作業を減少させ、熱間作業の減少を図ることで安全かつ作業効率をアップさせ、３．プレート部材（コラム材）の取り替え工事を減少させることで、メンテナンスコストが抑えられる。 According to the present invention, by using a column member having a square cross section for the plate member of the guideway of the coke guide wheel, the deformation is suppressed and the frequency of clogging is reduced. As a result, 1. 1. Guide the coke to the fire extinguishing bucket to maintain smooth operation. 2. Reduce the work of scraping coke staying in the guideway, and increase the safety and work efficiency by reducing the hot work. Maintenance costs can be reduced by reducing replacement work for plate members (column materials).
本発明によるコークスガイド車のガイドウェイは、そのプレート部材に断面ロ字状のコラム材を使用するものである。 The guideway of the coke guide wheel according to the present invention uses a column member having a square cross section for the plate member.
本発明を図示の実施例に基づいて詳しく説明する。図１及び図２には、従来のコークスガイド車のガイドウェイが示されている。ガイドウェイの中央は、コークス炉から押し出される赤熱コークスの通過する通路である。本発明は、図３に示すように、この通路を挟むように両側に断面ロ字状の型鋼であるコラム材３が、プレート部材としてコークスガイド車のガイドウェイの上部から下部まで水平に並んで上下に配列されている。これらのコラム材３は支持枠１にボルトによって締結固定される。
The present invention will be described in detail based on the illustrated embodiment. 1 and 2 show a guideway of a conventional coke guide car. The center of the guideway is a passage through which red hot coke extruded from the coke oven passes. In the present invention, as shown in FIG. 3,
ここで、従来技術のコ字状型鋼（溝型鋼）と、本発明のロ字状型鋼であるコラム材を用いて、実験を行った。この実験の目的は、押し詰まり時に赤熱コークスがガイドウェイ内に留まり、掻き出し作業時の水かけ（加熱急冷）を行う場合を想定し、プレート部材材料の変形量を測定し、最適な部材を選定するためである。 Here, an experiment was conducted using a conventional U-shaped steel (groove-shaped steel) and a column material which is a square-shaped steel of the present invention. The purpose of this experiment is to measure the amount of deformation of the plate member material and select the optimal member assuming that red hot coke stays in the guideway during clogging and watering (heating and cooling) during scraping is performed. It is to do.
使用した材料は、材質ＳＳ４００、長さ１０００ｍｍの断面コ字状の溝型鋼（幅１２５ｍｍ×高さ６５ｍｍ×厚さ６ｍｍ）と、断面ロ字状のコラム材（１５０ｍｍ×１００ｍｍ×４．５ｍｍ）である。この材料を以下の３通りの状態（イ−１、イ−２、ロ）で、その両端を適当な架台に載せて支持し、各材料を載置したうえで、中央の幅１００ｍｍ周辺を炙りバーナーで６００℃に加熱した。
（イ−１）両側のフランジ部が上向き（∪）の溝型鋼。
（イ−２）両側のフランジ部が下向き（∩）の溝型鋼。
（ロ）コラム材。
The materials used are SS400, 1000 mm long U-shaped grooved steel (width 125 mm x height 65 mm x thickness 6 mm), and column material (150 mm x 100 mm x 4.5 mm) with a square cross section. is there. This material is supported in the following three states (b-1, b-2, b) by placing both ends on a suitable base and placing each material on it, then rolling it around the central width of 100mm. Heated to 600 ° C. with a burner.
(A-1) Channel steel with flanges on both sides facing upwards (∪).
(I-2) Channel steel with flanges on both sides facing downwards (∩).
(B) Column material.
上記６００℃の加熱後、加熱箇所を自然冷却し、４００℃になったことを確認したら、水１０Ｌをかけ急冷する。その後、湾曲した材料の上方向又は下方向へたわんだ変形量を測定する。この測定の結果は、（イ−１）の材料の場合、上方向へ１．８ｍｍの変形がみられた。この場合は、ガイドウェイの幅が狭くなる方向であり、コークスの押し詰まりが頻発する原因となる。また、（イ−２）の場合は、下方向へ１．９ｍｍの変形がみられた。すなわち、ガイドウェイが広がる方向となるが、材料の両端はガイドウェイの幅方向へ突き出る変形となる。この場合、溝型鋼（プレート部材）は脈を打つ状態の変形となり、（イ−１）と同様の変形模様を示す。 After heating at 600 ° C., the heated part is naturally cooled, and when it is confirmed that the temperature has reached 400 ° C., 10 L of water is applied to quench. Thereafter, the amount of deformation of the curved material deflected upward or downward is measured. As a result of this measurement, in the case of the material (A-1), a deformation of 1.8 mm was observed in the upward direction. In this case, the width of the guideway is reduced, which causes frequent coke clogging. In the case of (A-2), a deformation of 1.9 mm was observed in the downward direction. That is, the guideway is expanded, but both ends of the material are deformed to protrude in the width direction of the guideway. In this case, the grooved steel (plate member) is deformed in a pulsating state, and exhibits a deformation pattern similar to (i-1).
（ロ）の場合は、下方向へ０．８ｍｍの変形となった。ガイドウェイが広がる方向であるが、（イ−２）の場合と較べて、その程度は半分である。したがって、（ロ）のコラム材を使用した場合が最も変形が小さく、脈を打つ変形量も少なく、ガイドウェイのプレート部材として充分適していることが判明した。 In the case of (b), the deformation was 0.8 mm downward. This is the direction in which the guideway spreads, but the degree is half that of (B-2). Therefore, it has been found that the use of the column material (b) has the smallest deformation and the amount of deformation that causes a pulse, and is sufficiently suitable as a plate member for the guideway.
本発明によれば、ガイドウェイの変形は抑制され、赤熱コークスを円滑に案内することができ、これにより、押し詰まりの発生が減少する。また、その結果、ガイドウェイと押出機のプッシャーロッドとの干渉によるガイドウェイの故障や落下がなくなり、また、プレート部材の交換周期も長くなる。したがって、メンテナンスコストがいちじるしく減少する。 According to the present invention, the deformation of the guideway is suppressed, and the red hot coke can be smoothly guided, thereby reducing the occurrence of clogging. As a result, the guideway is prevented from being broken or dropped due to interference between the guideway and the pusher rod of the extruder, and the plate member replacement cycle is lengthened. Therefore, maintenance costs are significantly reduced.
１ 支持枠
２ プレート部材としての溝型鋼
３ プレート部材としてのコラム材
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014255209A JP6349533B2 (en) | 2014-12-17 | 2014-12-17 | Coke guide car guideway |
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| JP2014255209A JP6349533B2 (en) | 2014-12-17 | 2014-12-17 | Coke guide car guideway |
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| JP6349533B2 JP6349533B2 (en) | 2018-07-04 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62170742U (en) * | 1986-04-16 | 1987-10-29 | ||
| JP2009179652A (en) * | 2008-01-29 | 2009-08-13 | Jfe Steel Corp | Cage for coke guide car |
| JP2011148921A (en) * | 2010-01-22 | 2011-08-04 | Jfe Steel Corp | Guideway of coke oven guide car |
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- 2014-12-17 JP JP2014255209A patent/JP6349533B2/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62170742U (en) * | 1986-04-16 | 1987-10-29 | ||
| JP2009179652A (en) * | 2008-01-29 | 2009-08-13 | Jfe Steel Corp | Cage for coke guide car |
| JP2011148921A (en) * | 2010-01-22 | 2011-08-04 | Jfe Steel Corp | Guideway of coke oven guide car |
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| JP6349533B2 (en) | 2018-07-04 |
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