And the impact of key parameters on the performance of coal-fired units is analyzed to find the suitable operation parameters for the existing coal-fired power plant. The performance parameters of the system are optimized by a multi-objective grey wolf optimization algorithm, which conducts trade-off optimization between roundtrip …
Ventilation is critical in underground coal mining (UCM) for safety and productivity. Challenges include mitigating hazardous gases, preventing coal dust accumulation, and achieving a balance between extraction efficiency and environmental concerns. Optimization techniques address these challenges, aiming for enhanced …
Much research has been conducted on the system optimization and performance evaluation of coal power plants for promoting load regulation [19,20,21]. Besides, the transient characteristics and related control strategies of power generation units during load variations have drawn a critical mass of attention.
The results showed that using GA as an optimization process gives 2.23% higher yield that will result in additional revenue generation of $4,460,000 per annum than average product quality approach ...
The performance optimization results showed that the desired separation indexes – ηt of 81.11%, ηa of 80.00%, β of 44.93%, and λ of 44.76% can be obtained …
Performance Assessment of a Combined Coal Gasification and Methanation System with Particle Swarm Optimization Method March 2023 Bitlis Eren Üniversitesi Fen Bilimleri Dergisi 11(2):490-498
the coal production and coal usage by different business sectors in the U.S. Figure 1.1: Coal share in U.S. electricity generation. Source: EIA, Monthly Energy Review (March 2015)
Longview unit 1 is the most efficient coal-fired plant in the U.S. with a best-in-class heat rate of 8,900 Btu/kWh (9,390 kJ/kWh). Longview's advanced supercritical boiler, low cost fuel source ...
Highlights. A thermoeconomic cost model was established based on the structure theory of thermoeconomics. Three kinds of thermoeconomic optimization were performed on a coal-fired power plant. A revised local optimization method is proposed. A 2.5% reduction in the total annual cost can be achieved after the optimization. Previous.
The coal-fired power plant model studied has nominal power generation of 605 MW and efficiency of 38.3%. Traditional, regulatory control architectures are incorporated into and tuned with the ...
1. Introduction. Most electricity generation and heat supply in China come from the combustion of fossil fuel at power plants and occupy over 50 % of Chinese coal consumption annually [1].Coal-fired power plants play the dominant role with their capability of stable and reliable operation, short period of construction and low investment …
where L is the loss rate (%); G 1 is the initial mass of the coal pile (g); and G 2 is the final mass of the coal pile after blowing (g).. Rain erosion resistance tests. Simulation of scouring rain was used to study the resistance of the dust samples sprayed by Enteromorpha-based dust suppressants to rain.Using a laboratory sprinkler to simulate …
Performance Optimization for power generation – a suite of optimization services that enable power generators to maintain peak performance under any market conditions. — 02 The demand for thermal power is barely increasing in most of the western hemisphere. Even Asian countries forecast a flattening demand curve. —
The cutting head is the core working mechanism of the roadheader for coal‑rock materials cutting. ... aided e˚cient design and performance optimization of cutting head is proposed in this study ...
In coal-fired power plant, pulveriser is the first major component, whose performance dictates the total power plant efficiency. Uniform flow rate and desired size fraction at outlet pipes along with higher classifier efficiency are three important measures which decide the pulverizer performance.
Simultaneously, in order to further optimize the EDW performance, the negative impacts caused by the undue desiccation of the sludge proximate to the anode of the anode should be mitigated. 3.2. Performance of coal-powdered activated carbon (CPAC) on electro-dewatering of oily sludge
The optimization and determination of the preheating treatment condition can lay a foundation for preparing high-performance ceramsite. ... Influence of coal fly ash on the early performance enhancement and formation mechanisms of silico-aluminophosphate geopolymer. Cement Concr. Res., 127 (2020) ...
Richter et al. [24, 25] researched the load-cycling performance of coal-fired power plants after installing thermal energy storage devices. Hentschel et al. [26] built the dynamic model of the coal-fired power plant and validated its accuracy by changing the unit load. However, limited research has been conducted on different ramp rates of load ...
The maximum plant yield achieved by the plant optimization model developed using genetic algorithms was 54.6% and 59.2% for the two coal blends while satisfying the aforementioned product quality ...
The parametric optimization of the suspension system is an important method to improve the ride performance of the robot. Banerjee et al. [] established a mathematical model of a full tracked vehicle, consisting of 17 DOF, with trailing arm hydro-gas suspensions, and nonlinear coupled governing differential equations of motion were …
7, 000 fpm. Primary air/ coal mixture velocity about 3, fpm — at full pulverizer and/or boil ef load. The optirftum primary air/ fuel ratio should be in the range of i. S to 2.0 pounds of air per pound of fuel for adequate coal drying in the pulverizer at full load; and preferably not exceed 3 . C) pounds Of air per pound of fuel at
A R T I C LE I N FO A B S T R A C T Keywords: Coal gangue Zeolite Optimization Structural characterization Adsorption performance Our research data indicates that a cost-effective hydrothermal synthesis with optimized post-treatment variables can provide a feasible paradigm to convert the coal gangues into valuable zeolites.
Boilers that burn coal are frequently used to generate steam for industrial uses. The cost of coal handling, ash disposal, and pollution control make them a less appealing option than boilers powered by fuel oil or natural gas for smaller residential and commercial boilers, though. ... Optimization of performance and emissions of boiler …
The effect of passivation of N-GQDs on the photovoltaic properties of C-PSCs was studies and the passivation mechanism was investigated. In view of the advantages of low price of coal-based N-GQDs, our work provides a simple and facile approach to improve the optoelectronic performance and stability of C-PSCs. 2. Experimental2.1. …
Safety of coal mine and workers is seriously threatened by coal dust, which tends to inhale and explode. Based on several kinds of commonly used surfactants, the physical and chemical properties and the performance of wetting coal of magnetized surfactant solution were experimentally researched.
A genetic algorithm (GA) is employed to perform a multi-objective search to determine the optimum solution of the ANN model, finding the optimal setpoints, which can suggest operators' correct actions to decrease NO x emissions and the carbon content in the flyash simultaneously, namely, get a good boiler combustion performance with high …
Solar aided (coal-fired) combined heat and power (SACHP) system can realize the heat-power decoupling and maximize the utilization of renewable energy over the normal CHP system. The problems regarding the operation strategy and capacity optimization of such a SACHP system during the design process are addressed in this …
Because of the present ineffective method of soot blowing on a boiler's heating surface in a coal-fired power plant, and to improve the economic benefit of the boiler in the power plant, weigh the improvement of boiler efficiency and steam loss brought by soot blowing, and ensure the safe operation of the unit, an optimization model of …
Combined heat and power (CHP) is the technical means to realize the joint and efficient production of thermal and electrical energy. This study aims to construct the performance analysis and system optimization methods of supercritical CO 2 (S–CO 2) coal-fired CHP plants with MEA-based post-combustion carbon capture and storage …
GE Operations Performance Management is a powerful digital solution that improves plant productivity by pushing the operations envelope to be more exible and available …
Multi‐objective optimization of the coal combustion performance with artificial neural networks and genetic algorithms - Zhou - 2005 - International Journal …
The coal-based ultrathin N-doped carbon nanosheets (N-PCNs) were designed by using LiCl–KCl molten salt, which exhibited a SSA of 991 m 2 g −1 and an excellent electrochemical performance [21]. However, most of the reported coal-based porous carbon prepared by molten salt method have a low yield, small SAA and the …