Advanced design optimization of combustion equipment for biomass combustion

Smith, Joseph D.; Sreedharan, Vikram; Landon, Mark; Smith, Zachary

doi:10.1016/j.renene.2019.07.074

Cited by 28 publications

(9 citation statements)

References 10 publications

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“…The maximum speed of combustion temperature in a Fluidized Bed Combustor (FBC) was strongly influenced by the water contained in biomass fuels. Investigations regarding the combustion of biomass in boilers have also been studied by [52][53][54]. However, this study only tested 1 kg, 2 kg and 3 kg of biomass.…”

Section: Analysis Of Temperature Combustion For Mass Biomassmentioning

confidence: 99%

Experimental Studies on Combustion Characteristics of Oil-Palm Biomass in Fluidized-Bed: A Heat Energy Alternative

Hani

Mahidin

Husin

et al. 2020

ARFMTS

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One of the technologies that can be used to meet energy needs is biomass combustion. In this study, the oil palm biomass fuels used were empty fruit bunches, oil palm fibers, oil palm midribs, and palm kernel shells. This research was carried out by a direct combustion method using a fluidized-bed combustor. The purpose of this experiment was to investigate the reaction of kinetics and the mechanism of combustion of oilpalm biomass in fluidized-bed combustor. The characteristics observed in this test were the combustion temperature profile, flue-gas composition, and the composition of the ash-deposit chemical compound. The results of the experiments conducted showed that the best biomass combustion temperature profile was recorded at 2 kg biomass with an air flow rate of 0.9375 m 3 /s at 90.1%. The maximum temperature of biomass combustion recorded at biomass 3 kg with an air flow rate of 1.25 m 3 /s are 950 o C (95%). The higher conversion combustion of biomass was found at biomass condition of 3 kg with an air flow rate of 0.9375 m 3 /s. The value of O2 emissions from biomass combustion shows that it was very small 0.2%. While the highest CO2 value was recorded at 19.9%. The highest combustion efficiency on FBC found 1 kg of biomass fuel with an air flow rate of 0.0654 m 3 /s recorded 94.9%.

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Section: Analysis Of Temperature Combustion For Mass Biomassmentioning

confidence: 99%

Experimental Studies on Combustion Characteristics of Oil-Palm Biomass in Fluidized-Bed: A Heat Energy Alternative

Hani

Mahidin

Husin

et al. 2020

ARFMTS

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“…Biomass has a number of advantages, including being renewable and emitting fewer pollutants during combustion, and it is expected to become an important component of global energy in the future (Moustakas et al, 2020; Poulsen et al, 2012; Zhang, 2020). It does, however, contain a number of alkaline metals that are prone to corroding the heating surface of combustion equipment (Liu et al, 2021; Smith et al, 2020). Hydrothermal carbonization (HTC), an efficient method of converting organic solid waste into solid fuel through heat treatment (Arias et al, 2021; Venna et al, 2022), has piqued the interest of academics both at home and abroad in recent years.…”

Section: Introductionmentioning

confidence: 99%

Co-hydrothermal carbonization of oil shale and rice husk: Combustion, pyrolysis characteristics, and synergistic effect

et al. 2022

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Countries all over the world are looking for fuel to replace fossil energy due to environmental concerns and a scarcity of fossil fuels. Oil shale (OS) and rice husk (RH) are both viable fuels, although they both have issues like high ash content and poor calorific value. OS and RH were used as feedstock for high-quality fuel in this study, which uses a hydrothermal technique to provide a novel way to utilize OS and rice. At different hydrothermal temperatures (150, 200 and 250 °C), including combustion and pyrolysis processes, the thermogravimetric analyzer (TGA) was used to analyse thermal transformation characteristics of co-hydrothermal carbonization (co-HTC) of OS and RH, as well as the synergistic effects. Results showed that the co-HTC pretreatment had a significant effect on the thermal transformation behaviour of OS and RH. On the one hand, the co-HTC has higher volatile content than its calculated value. On the other hand, a synergistic effect was found in combustion processes, and this effect was the most obvious when the hydrothermal temperature was around 200 °C, and the characteristic peak of functional groups vibration was strong. Therefore, the co-HTC was considered suitable for combustion. The combination of co-HTC modification with subsequent thermochemical processes has positive implications for the energy production and utilization of organic waste.

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“…The optimization of a biomass boiler by an air manifold was investigated by Bianco et al The authors found out that reducing the entropy meant improving the device performances [7]. The research of Smith et al was focused on the optimization of biomass combustion by burner designs [8]. The main interest of the work of Nussbaumer et al was the secondary air injection with the aim of the optimization of fluid dynamics for combustion improvement [9].…”

Section: Introductionmentioning

confidence: 99%

Dependence of the Flue Gas Flow on the Setting of the Separation Baffle in the Flue Gas Tract

et al. 2021

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With the combustion of solid fuels, emissions such as particulate matter are also formed, which have a negative impact on human health. Reducing their amount in the air can be achieved by optimizing the combustion process as well as the flue gas flow. This article aims to optimize the flue gas tract using separation baffles. This design can make it possible to capture particulate matter by using three baffles and prevent it from escaping into the air in the flue gas. The geometric parameters of the first baffle were changed twice more. The dependence of the flue gas flow on the baffles was first observed by computational fluid dynamics (CFD) simulations and subsequently verified by the particle imaging velocimetry (PIV) method. Based on the CFD results, the most effective is setting 1 with the same boundary conditions as those during experimental PIV measurements. Setting 2 can capture 1.8% less particles and setting 3 can capture 0.6% less particles than setting 1. Based on the stoichiometric calculations, it would be possible to capture up to 62.3% of the particles in setting 1. The velocities comparison obtained from CFD and PIV confirmed the supposed character of the turbulent flow with vortexes appearing in the flue gas tract, despite some inaccuracies.

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Advanced design optimization of combustion equipment for biomass combustion

Cited by 28 publications

References 10 publications

Experimental Studies on Combustion Characteristics of Oil-Palm Biomass in Fluidized-Bed: A Heat Energy Alternative

Experimental Studies on Combustion Characteristics of Oil-Palm Biomass in Fluidized-Bed: A Heat Energy Alternative

Co-hydrothermal carbonization of oil shale and rice husk: Combustion, pyrolysis characteristics, and synergistic effect

Dependence of the Flue Gas Flow on the Setting of the Separation Baffle in the Flue Gas Tract

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