New technology for developing a lightweight refiner plate for hardwood kraft pulp fibers

Min, Byeong-Geol; Lee, Ji-Young; Kim, Chul‐Hwan; Park, See-Han; Lee, Min-Seok; Gu, Ho-Gyeong; Lee, Chang-Young

doi:10.15376/biores.15.4.9128-9142

Cited by 8 publications

(5 citation statements)

References 3 publications

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“…12,13) An innovative approach to fabricating lightweight fine bar plates is developed by employing aluminum alloy, AC1B, for the plate base and stainless steel, 420J2, for the bars. 14) The joining of these dissimilar metals for DP was achieved using a specialized technique, as illustrated in Fig. 3.…”

Section: Raw Materialsmentioning

confidence: 99%

Effect of Plate Patterns on TMP Refining Performance

Lee,

Park,

Park

et al. 2023

J. of Korea TAPPI

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Two thermomechanical pulp (TMP) refiner plates with different cutting edge length (CEL) were designed and manufactured to assess their impact on energy consumption, fiber properties, and pulp quality. Under the same refining conditions, refiner plates with higher CEL, referred to as TMP casting plates (TP), consumed more refining power than those with lower CEL, denoted as lightweight TMP plate (DP). TP with high CEL exhibited reduced fiber length loss and maintained low fiber coarseness in TMP and CTMP. TP resulted in superior strength development, while DP with smaller CEL were more effective in reducing shive content because of high-intensity refining. Consequently, it is worth considering different patterned plates to reduce refining energy consumption, minimize fiber length loss, and achieve superior strength development during TMP and CTMP manufacturing.

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Section: Raw Materialsmentioning

confidence: 99%

Effect of Plate Patterns on TMP Refining Performance

Lee,

Park,

Park

et al. 2023

J. of Korea TAPPI

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“…Most studies of the refining process have focused on optimising processing modes to reduce power consumption (Gao et al 2011;Hua et al 2012;Olejnik et al 2013;Pelletier et al 2013;Min et al 2020).…”

Section: Introductionmentioning

confidence: 99%

“…Examination of cellulosic fibre refining at low concentration has confirmed that the process efficiency and the quality of fibrous semi-products are more dependent on the design properties of refiner disc working surfaces and processing modes (Gao et al 2011;Cai et al 2020;Fredrikson and Paltakari 2020;Liu et al 2020;Min et al 2020).…”

Section: Introductionmentioning

confidence: 99%

“…Evidence-based solutions are required for the development and creation of new refining equipment meeting the requirements for the finished product quality while ensuring the high efficiency of the milling of wood fibre semi-finished products using wood raw materials of various types and quality, including off-spec ones (Muller et al 2009;Gao et al 2011;Lubke et al 2014;Zhao et al 2018;Ihnat et al 2017;Gao et al 2018;Ihnat et al 2018;Ammar et al 2018;Irle et al 2018;Ihnat et al 2020;Min et al 2020).…”

Section: Introductionmentioning

confidence: 99%

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Optimization of wood fibre refining process in fibreboard production with new refiner disc working surface geometry

Vititnev

Chistova²,

Alashkevich

et al. 2021

BioRes

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Refining of fibrous semi-finished products is an important stage in fibreboard production because the efficiency of this stage affects the resulting fibres’ dimensional and qualitative characteristics. These, in turn, determine the physical and mechanical properties of the finished products, as well as the energy intensity of the process. The efficiency of this process depends on the raw materials used and the geometry of the refiner disc working surface and its operational modes. This article presents the results of the optimisation of wood fibre refining at a low concentration (2 to 4%), using fundamentally new refiner discs in high-density fibreboard production. Based on numerous theoretical and experimental studies, and on the results of processing, the problem of optimising the refining process was solved, taking into account the use of new refiner disc geometry. As a result, the optimal values of refiner process parameters and operation modes making it possible to prepare wood-fibre semi-finished products efficiently while reducing power consumption in refining were established. After optimising the refining process, the new geometry of refiner disc working surfaces provides optimal dimensional and qualitative characteristics of wood fibres, which results in finished products with high physical and mechanical properties in accordance with GOST 4598 (2018) without using bonding resins.

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“…For example, the refiner plate used in the stock preparation stage has a trapezoidal bar structure with lower bar sharpness and stock throughput. It can be introduced so that the lightweight refiner plate with a newly designed vertical bar shape can overcome these limitations and save energy [6,7].…”

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confidence: 99%