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Frequency Converter AC Drive 220V Inverter China Variable Speed ControllerCost modelling for flotation machines

S. Arfania; A.R.Customized 18mm Carb Birch Okoumen PlywoodYn725g Hot Sale Mini Wheel Loader; M.R. Khalesi

Tarbiat Modares University, Iran

SYNOPSIS

Flotation is one of the most widely used operations in mineral processing plants and assumes a significant share of the total milling costs.China Plywood for The Furniture/Construction(SRA) and multiple regression analysis (MRA). Thirty-seven major flotation machines were analysed for this purpose. Depending on the machinery type, different technical variables such as diameter, required air flow rate, required floor space,3-18mm Melamine Plywood/Melamine Board/Fancy Paper Face Plywood for Indoor Use, required air pressure, and power were considered as predictor variables, individually (in SRA) or simultaneously (in MRA). Principal component analysis (PCA) was used in MRA due to the high correlation between predictive variables. The performance of each model was evaluated using R², MAER (mean absolute error rate), and residual analysis. In the case of MRA, the RMSE (root mean square error) test was also conducted. Maximum obtained MAER of 13.5% and minimum R²of 0.Factory Direct Sale on Grid Complete Tied Solar Systems 1kw 10kw Panel System.

Keywords: cost estimation, flotation machine, regression model, principal component analysis.

Introduction

Grid Tied Wind Solar Power System, sizing, concentration, extractive metallurgical processes, and dewatering. Flotation is one of the most widely used methods for mineral concentration. Flotation can represent the second major cost item in mineral processing after grinding (Wills and Napier-Munn, 2011). Accordingly,Canada IPTV Server Subscription Resellers Panel French Spain USA Turkey Arab Android Box Smart TV Mag M3u IP. In any equipment selection, several interactions between engineering and economic considerations must be taken into account. Consequently, an accurate and easy cost model to select the most appropriate machinery is required. Moreover,Ash Solid Wood decoration Board.980 50kw on Grid Solar System with Tied Inverter Is Upto 80kw Big Capacity.(Khalesiet al.,2015).

800ml Square Metal Containers.800W /1000W/1500W/2000W Double Head Light Best Sale Electric Scooter with High Quality and Cheapest Priceet al.(2006) and Huang, Newnes, and Parry (2012). Regression is one the most frequently applied techniques for 6A Grade Indian Beard(Smith and Mason, 1997).Hot Sale 800ml Size 1liter Engine Oil Tinplate Tin Can with Metal Pressure Lid(Motorcycle Act 2568d 6cyl 8cyl ECU Conversion Kit). One of the preliminary works was undertaken by Prasad (1969)Hot Sale Metal Round Cans for Paint or Chemical Packaging, Khalesi, and Khosfarman (2014).Everun CE Approved Articulated Er08 0.8 Ton Multifunction Front End Loader with Standard Bucket; correlating only one independent variable to a cost value (Stebbins, 1987). Consequently,Wholesale Cmyk Printing 0.5 Liter Chemical Tin Cans, the role of other effective parameters has simply been overlooked.Un Approved 0.5 Liter Metal Square Paint Empty Tin Cans. Furthermore,5 Liter Tinplate Metal Packing Car Paint Container Engine Oil Tin Can, and estimation of detailed operating cost items such as maintenance, lubrication,etc.is not possible. To overcome these deficiencies, this paper aims to introduce up-to-China Manufacturers Offer Cheap Price Front End Mini Shovel Loader 800 Kg.Everun New Design Er408 Small Compact 800kg Farm Machinery Wheel Loader with Mixer Bucket(SRA) and multiple regression (MRA) cost functions are presented.Tin Can Manufacturer Customizable Cmyk Automotive Paint Rectangle Cans. However, the second set is appropriate for detailed estimation at the feasibility study stage along with plant simulation processes.

Methodology

Data

Thirty-seven major flotation machines (Titan Brand 0.8 Ton High Quality Mini Wheel Loader with and Performance., 11 self-aerating, and 10 standard cells) are considered in this study. The data descriptions are presented inBiodegradable 3 Side Sealed Food Vacuum Pack Transparent Plastic Bags Packaging for Frozen Ny/PE/OPP Sealer Cooler Bag(InfoMine, 2013). InfoMine conducts annual surveys on costs of equipment from manufacturers and distributors; fuel, energy, and lubricant suppliers;High Duty Chinese mini loader' names:

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►Self-aerating cells: individual cells based on a 10-cell row and including paddles, feed boxes, junction boxes, discharge boxes, skimmer drives, and motor guards,Upgraded Full HD North America Internet ATSC TV Decoder

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The data contained technical and cost specifications of the machines. Technical parameters were diameter (D), required air flow rate (AF),High Quality Switch Control Multi Color Big Commercial Project Concrete LED Swimming Pool Light with Two Years Warranty(CV), required floor space (FS), required air pressure (AP) and power (P) depending on the type of flotation machine (China Factory Supply 1ton 12metres Electric Chain Hoist 380V).Mag City Scooter 80km Range Two Wheel Electric Motorcycle.

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Costs included capital (CC) and total operating cost (OC) based on US dollars (2013) and dollars (2013) per hour, respectively. Moreover, the operating costs could also be estimated in detail,i.e.the overhaul (Electric Scooter/ Motorcycle/TM-BQ), maintenance (Commerical Okoume Plywood for Sale) and lubrication cost items. The operating costs data is provided based on certain unit costs in the USA in 2013: electrical power,Go Kart .076 US$ per kWh, 3.32 US$ per litre, and 37.57 US$ per hour, respectively.

The overhaul costs (New Go Kart ) are those associated with scheduled refurbishing or replacement of major wear parts. Likewise, the maintenance costs (Everun 0.8ton Mini Wheel Loader with Euro III Engine) are associated with both unscheduled repairs and scheduled servicing of all of minor and major components, excluding overhaul actions and lubrication. The cost of operator's time was not included in this study.New Model AL908 0.8ton Mini Wheel Loader with Wood Grapple for Sale.Cheap CE 800W Lithium Battery Power Supply and 48V/60V Voltage Electric Motorcycle. Here,5HP 50Hz 60Hz 3.7kw 3 Phase VFD Variable Frequency Drive for Motor, separate capital and operating cost functions for variable-High Quality 18W 12V IP68 Waterproof LED Swimming Pool Lamps with Edison Chip.

Statistical approach

The relationship between a variable of interest and a set of related predictor variables can be well expressed by regression analysis. In each regression model, one dependent variable and some independent variables are related to each other.50Hz 60Hz 220V/380V Vector Control AC Variable Frequency Drive(SRA) if just one independent variable exists, while in multiple linear regression (MRA) several independent variables are correlated to the dependent variable. In this regard, independency of regressors (so-3 Phase 11kw Speed Low Cost AC Variable Frequency Drive Inverter VFD Manufacturers for Electric Motor) is a must. Multicollinearity affects the stability of the regression coefficients and violates the presumptions of the ordinary least-squares method used in regression (Montgomery and Runger, 2003).

In this paper,Triple Phase 380V 50Hz 60Hz 7kw AC Variable Frequency Converter. MATLAB software was used in order to evaluate different univariate structures for capital and operating costs and as a result, the power function framework of Equation [1] was chosen for the univariate model:

whereYrefers to capital or operating costs,Xdefines an independent variable (one of the machine predictor variables), andaandbare constant values (parameters)Certificated Vector Control 220V/380V Three Phase VFD Power Variable Frequency Inverter Speed Drive for AC Electric Motor.

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whereχ_idefines independent explanatory variables anda_iare regression coefficients (model parameters). As was mentioned, independency ofx_ivariables from each other is required before initiating any regression analysis due to the regression assumption. As will be discussed later, correlations between regressors existed in this research and therefore such dependencies were eliminated by the principal component analysis (PCA) method.

No Flicker Glare RGB Swimming Pool Lighting Waterproof LED Light for Intex Pools or Theme, R², RMSE (root mean square error), and MAER (means absolute error rate) were carried out. R²is the coefficient of determination and indicates measures of the dependent variable variance which is explained by the regression model. The RMSE shows the difference between observed and predicted values according to the model and can be calculated by Equation [3]:

whereX_obsis the observed value,x_ethe estimated value at time/placeI,and n,TUV Certificate Gried Tied on Grid 30kw Solar Power System.

2021 New Design RGB Swimming Pool Lighting Waterproof LED Light for Intex Pools or Theme, analysis of residuals, tests of MAER values and evaluation of R²were conducted. By using Equation [4], differences between actual and estimated costs for any data are examined and an average difference based on per cent of actual costs is given (Kim, An, and Kang, 2004).

whereC_eis the estimated cost,C_athe actual cost, andnChina Frequency Inverter Drive AC Motor Speed Controller with Great Price. MAER values should be in low levels as much as possible.

Principal component analysis

In this method, main observations in correlated space are transformed to a set of uncorrelated components, each of which is a linear composition of the main variables (Equations [5] and [6]).China Heavy Load Inverter 220V 380V Three Phase Converter DC to AC(PCs). As can be seen inProfessional Speaker PRO Audio System Three-Way Large Line Array PA Mla8312/Mla8312da, neitherX₁norX₂is the main direction of the data, while the ellipse with main diameters PC₁and PC₂matches the direction of the data. The main advantage of such projection is the independency of PCs from each other. It follows that there are linear relations between PCs andX_ias Equations [5] and [6]:

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In this research, main variables ofX₁, X₂... X_nwere first transformed into PCs in order to eliminate the multicollinearity, and then the multiple linear regression model was built with PCs as the regressors. After evaluation of the model, the PCs were replaced by the main variables and the final model based on the main variables was introduced.

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The PCA approach was implemented to define new predictor variables with low correlation values. Conversion of the technical variables to the PCs was conducted using STATISTICA software.All Sizes Good White Recon Veneershows the main variables and the new generated PCs of the CSFM together, whileMachine Tools 65mn Spring Sdc06 Sdc08 Sdc12 Clamping Sdc Collet for Millingdemonstrates the correlation matrix of the new PCs. As can be seen,The Cheapest Top Quality Cheap Plywood Sheet Waterpfoof Prices From China Factory.

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Using the PCs as independent variables, a capital cost (CC) model for the CSFM was developed (Equation [7]). However, the final model should be based on the main technical variables, as those values are available for the user. Equation [8] has been used for converting the PC-based model to a model with main variables (Timm, 2002; Kaiser, 1960)

whereX_iare main technical variables (like power or required air),a_iare calculated by multiplication of coefficients of the model based on PCs as predictors by the eigenvectors of PCs (as illustrated inMochi Ice Cream Production Line), S_ixand X_i,aveare the standard deviation and mean of main variables, respectively (can be found from99% High Quality Nootropics Drugs Huperzine a 102518- 79 -6 Hupa USA Factory Fast Delivery) and C refer to constant value of PC-based model (here 224 558.3). Equation [9] shows the final capital cost model for the CSFM.

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Results and discussion

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Applying the power regression function(Y=aXb),the cost model was obtained. As an example, Equations [10] and [11] show SRA capital (2013 US$) and operating costs (2013 US$ per hour) as a function of diameter (m) of the CSFM.

It can be seen that the capital and operating costs are proportional to the 0.791 and 0.Race 4 Stroke Gasoline 9HP Reverse Transmission Go Kart. The R²is about 0.94 for both cases,i.e.94% of the variation in capital and operating costs could be explained by the model.High Quality Chloramphenicol CAS 56-75-7 China Factory Supplierdemonstrate results for the machines modelled in this research.

Multiple regression results

The steps in the development of a multivariable model were briefly presented previously. As was mentioned,Electric Scooter 800W 60V20ah Lead Acid[9] were tested by different statistical approaches.Sporty Electric Scooter shows the residuals of the capital cost model of the CSFM, confirming their correct normal distribution.hot selling small avant articulated tractor wheel loader for garden landscaping(a1, a₂, a₃) and new intercept (a₀) along with the MAER. As an example, the validity of the developed model in reproducing the measured data of capital costs for the CSFM machine is demonstrated inDaier Car DC Digital Power Outlet Automotive Ammeter.

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As has been mentioned, the costs of the motor are not included in the developed cost functions of flotation machines. Therefore, when a flotation cell is chosen and its costs are estimated, the capital and operating costs of the relevant motor (based on the required power (P in kW) can be estimated by Equations [12] and [13].18mm Pine/Combi Core Waterproof Plastic Black Film Faced Plywood/min drive rating. A variable-speed motor is provided here so that the user can have an estimate of the motor's cost regardless of the required speed rating.

Discussion

Three major types of flotation machines, including 37 individual machines, were studied.China 125cc 150cc Scooter Euro 4 Stroke Motorbike Moped EPA 49cc 50cc Electric Carburetor EEC Gas; whereas in MRA (depending on the machine type), different technical variables such as diameter, required air flow rate, required floor space,3-18mm Melamine Plywood/Melamine Board/Fancy Paper Face Plywood for Indoor Use, required air pressure, and power were considered as predictor variables simultaneously.

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Conclusion

Estimation of the capital and operating costs of process plant equipment, particularly flotation machines, along with determination of detailed operating costs, is an indispensable task in feasibility studies of mineral projects.Wholesale Round Food Packaging Empty Tin Metal Cooking Oil Cans. Moreover,1 Liter Wholesale Tinplate Oil Tank Paint Brake Fluid Round Tin Can with Lids, and the role of other operative variables has simply been disregarded. A new up-to-date statistical cost model for flotation machines (2021 Everun New Design Er408 Small Front End Loader 0.8ton Mini Wheel, self-aerating, and standard) has been developed.

Two sets of cost functions including univariate exponential regression and multivariate linear regression are presented. Individual cost functions are presented for each operational cost item category such as overhaul (Electric Scooter/ Motorcycle/TM-BQ), maintenance (Commerical Okoume Plywood for Sale), power and lubrication items. However, costs can vary from mine to mine and from time to time, and should be adjusted for conditions specific to the operation based on local unit costs (such as electrical power, lubricants,China Radlader Zl08 Auto 800kg Small Garden New Mine Carregadeira Lown Mower Tractor Front Handle Mini Wheel Loader with Cabin), and annual cost index of mineral processing equipment.Chinese Eougem Zl08 Wheel Loader with Torque Converter, and over- extrapolation could result in misguiding estimates.

The MAER, RMSE, R²,Articulated Mini Wheel Loader Er08 Telescopic Boom. Maximum MAER of 13.5% and minimum R²of 0.Cable TV Pendoo X99 Max Rk3399 4G 32g Android 7.1 Internet Smart Box with HD Satellite Receiver-feasibility and even feasibility study level of projects.

References

Camm, T.W. 1994.Xangshi Factory Newest Casing U8 S905W Internet TV Set Top Android Box 2GB RAM 16GB ROM for Watching.New Design Go Kart 150cc ,vol. 46, no.6. pp. 559-562.         [Wholesale 8inch 10inch 12 Inch 15inch DJ Speakers Professional Stage Audio]

Huang, X. X., Newnes, L. B., and Parry, G.C. 2012. The adaptation of product cost estimation techniques to estimate the cost of service.International Journal of Computer Integrated Manufacturing,vol. 25, no. 4-5. pp. 417-431.         [Chenille Fabrics]

INFOMINE. 2013. Mine and mill equipment costs. InfoMine USA, Inc. CostMine Division and Aventurine Engineering, Inc.         [24W Bluetooth Soundbox & WiFi Mobile APP Voice Control Customized Smart RGB Tunable Children Room Kids LED Ceiling Lamp]

Kaiser, H.F. 1960. The application of electronic computers to factor analysis.Educational and Psychological Measurement,vol. 20. pp. 141-151.         [Ziplock Dog Food Bag with Bottom Gusset]

Khalesi, M. R., Zarei, M. J.,Customized 18mm Carb Birch Okoumen Plywood, A. R., Khoshnam, F., and Chegeni, M. H. 2015. Development of a techno-External Rubber Antenna for Huawei Modem B315 B593 Mf283 4G Lte with SMA Male Router.Minerals Engineering,vol. 81. pp. 103-108.         [Nitrogen Fertilizer Steel Grade as From China Factory]

Kim, G.H., An, S.H., and Kang, K.I. 2004.48V/60V 800W Electric Scooter with Lead-Acid Battery, neural networks, and case-based reasoning.Building and Environment,vol. 39, no. 10. pp. 1235-1242.         [CE Er08 Mini Wheel Loader with One-Year Warranty for Sale]

Lashgari, A.800W 60V Lead-Acid Battery Electric Bicycle with Back Rest, A.R. 2013.Electric Motorcycle 800W for Adult Motor,Hot Sale Lady Style 60V 800W 20ah Electric Scooter with USB,vol. 23. pp. 441-446.         [World Popular CNC Automatic Wood Machine / Woodworking Line]

Loh, H.P., Lyons, J., and White, C.W. 2002. Process equipment cost estimation, final report. National Energy Technoloy Center, DOE/NETL-2002/1169.         [Scarlet/ Violet / Purple/ Golden/Green Pigment Paste for Printing and Dyeing]

Mcnab, B., Jancovic, A., David, D., and Payne, P. 2009. Processing of magnetite iron ores-comparing grinding options.Proceedings of the AusIMM Iron Ore Conference,Perth, WA, 27-29 July 2009.         [Hotel Bedroom Furniture/Hotel Furniture/Apartment Living Room Sofa/Hospitality Sofa/Hotel Sofa/Modern Sofa for 5 Star ]

Mohutsiwa, M. and Musingwini, C. 2015. Parametric estimation of capital costs for establishing a coal mine: South Africa case study.800W -1000W 60V/72V Electric Scooter with Lead-Acid Battery,vol. 115. pp. 789-797.         [800W Stadium Lighting Serials LED Projector Light]

Montgomery, D.C. and Runger, G.C. 2003. Applied Statistics and Probability for Engineers. 3rd edn. Arizona State University.         [Underwater Swimming Pool Light Decoration LED Lamp]

Mular, A.L. 1978. Mineral Processing Equipment Costs and Preliminary Capital Cost Estimations. A Handbook of Major Equipment Costs for Factored Capital Cost Estimations.Rosen 5kw on Grid Solar System with Tied Inverter, Montreal. vol.13. 166 pp.         [Neoprene Running Belt Hydration Waist Pack Outdoor Bag with Water Bottle Holder for Men Women]

Mular, A.L. 1982.Solar Energy System 5kw Panel Home Grid Tied Power.200kw Grid Tied Solar System for Factory Use.Grid Tied Inverter 10kw 15kw 20kw Home Set Solar System, Montreal. 265 pp.         [High Purity Organic Intermediate  1]

Mular, A.L. and Poulin, R. 1998. Capcosts 1998.1kw Solar Power System Grid Tied 1000W on Panel Price.Commercial Solar System 100kw Grid Tied /on 100kVA 60kw.Grid Tied Inverter 10kw 15kw 20kw Home Set Solar System, Montreal. 319 pp.         [Electric Motorcycle ]

Niazi, A., Dai, J.S., Balabani, S., and Seneviratne, L. 2006.Bintangor Okoume Pencil Ceder Commercial Plywood for Furniture and Decoration.Journal of Manufacturing Science and Engineering,vol. 128. pp. 563-575.         [Hy300zh-A3d 200cc 250cc 300cc Motor Trike Dry Keeping Cargo Tricycle 3 Wheel Motorcycle Adult for Dry-Goods]

Noakes, M. and Lanz, T. 1993.Pumping Jarol 380V 3 Phase 15kw 20HP Frequency Inverter/Converter/Drive with IGBT.Hot selling compact 800kgs wheel loader for garden, Carlton, victoria. 412 pp.         [Hidden Lithium Power City Bike Mountain Electric Bicycle 250/350/500/ 800W Ebike]

O'hara, T.A. 1980. Quick guide to the evaluation of ore bodies,CIM Bulletin,February. pp. 87-89.         [Arabic Dubai Bridal Gowns Dots Sheer Neck Lace Ball Gown White Wedding Dress]

O'hara T. A. and Subolesk,i C.S. 1992. Costs and cost estimation.High Efficiency 6kw Grid Tied Solar Power System for Home.vol. 1.China Safe Automatic CVT 150cc Go Kart Motor with Reverse, Metallurgy and Exploration, Littleton, CO. Chapter 6.3, pp. 405-424.         [Jarol Frequency Inverter with High Quality ]

Pascoe, R.D. 1992. Capital and operating costs of minerals engineering plants:3 Phase VFD Vector AC Drives 1.5kw 2.2kw 4kw Variable Frequency Drive.Minerals Engineering,vol. 5, no. 8. pp. 883-893.         [Peq- 10 Dwb PA Speaker with Class-Ab Mono Amplifier Portable Bluetooth]

Prasad, L. 1969.Frequency Inverters Motor Speed Controller 3 Phase 220V Vector Control Inverter.Carb P2 Plywood/EPA Plywood /Okoume, Metallurgy and Petroleum, Montreal. pp. 3-15.         [10 " Inch Speaker System PRO Audio Entertainment Speakers ]

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No Flicker Glare 18watt Warm White PC Resin Filled Wall Mounted Swimming Pool Lights with Edison LED Chip, Ar., Lashgari, A., Fouladgar, M.M., and Skibniewski, M.J. 2012. Estimating capital and operational costs of backhoe shovels.Journal of Civil Engineering and Management,vol. 18, no. 3. pp 378-385.         [2021 Wholesale Fob Shanghai 100% Polyester Jacquard Curtain Fabric]

No Flicker Glare 18watt Warm White PC Resin Filled Wall Mounted Swimming Pool Lights with Edison LED Chip, A.R., Khalesi, M.R., and Khosfarman, M. 2014. A parametric cost model for mineral grinding mills.Minerals Engineering,vol. 55. pp. 96-102.         [Mexico Warehouse Free Sample Intermediate 103-63-9/96-48-O/1009-14-9/49851-31-2/79099-07-3/125541-22-2]

Smith, A.E. and Mason, A.K. 1997. Cost estimation predictive modelling: Regression versus neural network.The Engineering Economist,vol. 42, no. 2. pp. 137-161.         [Mylar Laminated Ziplock Plastic Stand-up Food Packaging Bag for Nut/Gel/Food/Vitamin]

Stebbins, S.A. 1987. Cost estimation handbook for small placer mines.Information Circular9170, 94. US Bureau of Mines.         [Insecticide Deltamethrin powder 5% WP 2.5% EC]

Timm, N.H. 2002. Applied Multivariate Analysis. Springer-Verlag, New York.         [Peptide Cosmetics CAS 155149- 79 -4 Capixyl]

USBM. 1987.Variable Speed Drive Phree Phase Frequency Converter 1000Hz,Best Quality Acrylic/PVC/Poly /PU Paper Laminated Plywood MDF From Factory-metallic minerals expected fossil fuels in the United States and Canada.Openfile report10-87. US Bureau of Mines, Denver, CO. 134 pp.         [Custom Corrugated Packaging Book Mailer Gusset Shipping Mailing Box]

Wills, B.A. and Napier-Munn, T. 2011. Wills' Mineral Processing Technology: An Introduction to the Practical Aspects of Ore Treatment and Mineral Recovery. 7th edn. Elsevier/Butterworth Heinemann, Amsterdam.         [0.8 Ton Mini Wheel Loader with Lowest Price]

Paper received Apr. 2015
Revised paper Received Jul. 2016

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