Damage characterization of belt conveyor made of the 330Nb alloy after service in a carburizing atmosphere in a continuous heat treatment furnace

Bochnowski, W.; Szyller, Łukasz; Osetek, Mirosław

doi:10.1016/j.engfailanal.2019.04.058

Cited by 7 publications

(2 citation statements)

References 23 publications

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“…Under the conditions during pretreatment and steam cracking processes, Mn–Cr spinel oxides can form with varying Mn/Cr ratios: MnCr 2 O 4 , Mn 0.5 Cr 2.5 O 4 (which is likely a combination of MnCr 2 O 4 and Cr 2 O 3 ), and Mn 1.5 Cr 1.5 O 4 . − In our previous work, we synthesized and characterized these catalysts, as well as analyzed their reaction kinetics for ethylene steam reforming . We also studied these oxides as catalysts for gasifying radical coke formed in situ during ethylene pyrolysis .…”

Section: Introductionmentioning

confidence: 99%

Enhanced Coke Gasification Activity of the Mn_1.5Cr_1.5O₄ Spinel Catalyst during Coking in Ethylene–Steam Mixtures

et al. 2021

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Mn−Cr−O spinel catalysts (MnCr 2 O 4 and Mn 1.5 Cr 1.5 O 4 ) and single oxides of Mn and Cr are coked under ethylene and ethylene−steam mixtures to simulate reaction conditions occurring in steam cracker furnaces. The coking rates are measured using thermogravimetric analysis, and the Mn 1.5 Cr 1.5 O 4 catalyst displayed considerably less coke deposition (an order of magnitude) under ethylene−steam flow. Analysis of the outlet gas flow suggests the Mn 1.5 Cr 1.5 O 4 catalyst gasified the radically formed coke into carbon oxides without significantly affecting ethylene conversion. The anticoking performance of the Mn 1.5 Cr 1.5 O 4 catalyst is attributed to the presence of Mn 3+ species in the spinel phase structure that are active for coke gasification in the presence of steam. No significant changes in structure or performance are observed for the Mn 1.5 Cr 1.5 O 4 catalyst across several coking and decoking cycles. The Mn−Cr−O spinel oxide with higher Mn content is suggested to have desirable activity and stability to limit coke deposition during steam cracking.

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Section: Introductionmentioning

confidence: 99%

Enhanced Coke Gasification Activity of the Mn_1.5Cr_1.5O₄ Spinel Catalyst during Coking in Ethylene–Steam Mixtures

et al. 2021

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“…M. Sundar et al are investigated the corrosion behavior of conveyor chain pin [4]. W. Bochnowski et al are researched the damage characterization of 330Nb alloy wire conveyor belt under carburizing atmosphere [5]. M.A.…”

Section: Introductionmentioning

confidence: 99%

The Effect of Periodic Inspection and Safety Criteria on the Service Life of Steel Construction Conveyors

Güven

2022

Bitlis Eren Üniversitesi Fen Bilimleri Dergisi

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Steel construction structures are seen in many different applications in our country and in the world. However, the periodic maintenance of these steel construction products is explained by national and international laws and regulations. According to the relevant regulation in our country, it is obligatory to carry out periodic inspections of these constructive structures, which are referred to as machinery and equipment, once a year. As in many facilities, it is obvious that these structures are the main elements of the facility and will be used throughout the life of the facility. It is not clear under which conditions these structures, which are generally produced using structural steels and which are connected by welding or bolts, will be examined in the periodic inspections. As a result of the research on the lifetime of general structural steels, it has been proved by many researchers that these structures have an infinite life if they reach the number of million repetitions. However, the life of welding or bolts, which are the connecting elements of the structure, remains uncertain. In this study, accident breaking studies were carried out by detailing the damage due to a tragic accident in a steel construction that has served for about 36 years. By keeping company and personal information confidential, the steel structure and bolt connections of the construction were examined in terms of strength, hardness and microstructure, and the results were detailed.

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Modeling of Thermal Stresses in Technological Equipment of Heat Treatment Furnaces

Bajwoluk

2022

Lecture Notes in Networks and Systems

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Damage characterization of belt conveyor made of the 330Nb alloy after service in a carburizing atmosphere in a continuous heat treatment furnace

Cited by 7 publications

References 23 publications

Enhanced Coke Gasification Activity of the Mn_1.5Cr_1.5O₄ Spinel Catalyst during Coking in Ethylene–Steam Mixtures

Enhanced Coke Gasification Activity of the Mn_1.5Cr_1.5O₄ Spinel Catalyst during Coking in Ethylene–Steam Mixtures

The Effect of Periodic Inspection and Safety Criteria on the Service Life of Steel Construction Conveyors

Modeling of Thermal Stresses in Technological Equipment of Heat Treatment Furnaces

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Damage characterization of belt conveyor made of the 330Nb alloy after service in a carburizing atmosphere in a continuous heat treatment furnace

Cited by 7 publications

References 23 publications

Enhanced Coke Gasification Activity of the Mn1.5Cr1.5O4 Spinel Catalyst during Coking in Ethylene–Steam Mixtures

Enhanced Coke Gasification Activity of the Mn1.5Cr1.5O4 Spinel Catalyst during Coking in Ethylene–Steam Mixtures

The Effect of Periodic Inspection and Safety Criteria on the Service Life of Steel Construction Conveyors

Modeling of Thermal Stresses in Technological Equipment of Heat Treatment Furnaces

Contact Info

Product

Resources

About

Enhanced Coke Gasification Activity of the Mn_1.5Cr_1.5O₄ Spinel Catalyst during Coking in Ethylene–Steam Mixtures

Enhanced Coke Gasification Activity of the Mn_1.5Cr_1.5O₄ Spinel Catalyst during Coking in Ethylene–Steam Mixtures