Automatic proximate analyzer

Introduction

An automatic proximate analyzer is an instrument that automatically performs proximate analysis of materials, such as coal, coke, biomass, and other fuels, determining the moisture, ash, volatile matter, and fixed carbon content, which are the parameters that characterize the composition and quality of fuels, and it is used in the coal, energy, and analytical industries. Proximate analysis is performed by measuring the loss of mass of a sample under controlled heating conditions: the moisture content is determined by heating the sample at a specified temperature, typically 105-110 degrees Celsius, and measuring the weight loss; the volatile matter is determined by heating the sample at a higher temperature, typically 900-950 degrees Celsius, in the absence of air, and measuring the weight loss; the ash content is determined by heating the sample in air at a high temperature, typically 700-750 degrees Celsius, to burn off the carbonaceous matter, and the fixed carbon is calculated by difference, and the automatic proximate analyzer performs these determinations sequentially in a furnace, with automated weighing and data processing, following standard methods, such as ASTM D3172 and ISO 17246. Automatic proximate analyzers are used for quality control of coal and coke, for characterizing biomass fuels, for determining the fuel value and composition, for compliance with specifications, for process control, for research, and for many other applications, and they are available as benchtop instruments with features such as automated operation, multiple sample capacity, and data analysis. With their automation and accuracy, automatic proximate analyzers are essential for fuel analysis.

Automatic Proximate Analyzer LAPA-T2010

Automatic Proximate Analyzer is designed with module and balance display module, offers temperature control with RT +10°C to 1000°C of temperature control range. With single furnace an...

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Standards

ASTM E1621-22-Standard Guide for Elemental Analysis by Wavelength Dispersive X-Ray Fluorescence Spectrometry

Complies with the above standards, but is not limited to them.

Features

1. Automatic proximate analyzer for simultaneous moisture, ash and volatile matter.

2. Thermogravimetric analysis of coal, biomass and solid fuels for quality assessment.

3. Suitable for coal testing, power plants, cement, biomass and research labs.

4. Includes furnace, balance, sample carousel, controller, software and manual.

5. Supports automated proximate analysis for fuel quality and combustion optimization.

FAQ

Q1: What testing scenarios is this analyzer mainly applied to?

A: The automatic proximate analyzer is used in coal testing laboratories, power plants, cement manufacturing, biomass energy, steel industry and research to perform automated simultaneous determination of moisture, ash and volatile matter in coal, biomass and other solid fuels for quality assessment, combustion optimization and regulatory compliance. It supports coal quality analysis for power plant fuel management, biomass fuel characterization, cement raw material testing, steel industry coke and coal analysis, solid fuel quality control, and research on fuel properties. The automated thermogravimetric method provides consistent, efficient proximate analysis with reduced manual labor, supporting fuel quality management and process optimization.

Q2: What standards does the analyzer comply with?

A: The automatic proximate analyzer follows ASTM D3172/D3173/D3174/D3175 for coal proximate analysis, ISO 5068 (moisture), ISO 3451 (ash), ISO 562 (volatile matter), and relevant GB/T standards including GB/T 212 for coal proximate analysis. The instrument complies with IEC 61010 laboratory safety standards. Calibration should use certified reference materials (coal standards) traceable to international standards.

Q3: What is the warranty period for the whole machine and key components?

A: The whole proximate analyzer is covered by a 12-month warranty. The furnace, balance, sample carousel, controller, software and housing are covered, while crucibles, sample boats and fuses are consumables or accessories. Damage from improper use or unauthorized repair is excluded. Extended service contracts are available for this analytical instrument.

Q4: Is this device difficult to operate? Is professional training required?

A: Operation requires trained laboratory personnel familiar with proximate analysis, thermogravimetric methods and fuel testing. We provide operation manuals, training and application support. Proper sample preparation, crucible handling, method programming, calibration, balance verification and result interpretation are important for accurate proximate analysis.

Q5: What is the typical lead-time for order delivery?

A: Standard models require 7-30 working days. In-stock units can ship within 3-7 working days. Custom configurations or large built-to-order systems may require additional time, and we confirm the exact schedule before order confirmation.

Q6: Is regular calibration required? What is the recommended calibration cycle?

A: Calibration with certified coal reference materials recommended every 6-12 months. Balance calibration and verification per schedule. Furnace temperature calibration periodically. Routine verification with a control sample per batch. Full system performance verification annually. Crucible condition checked regularly.

Q7: Are supporting consumables universal?

A: Crucibles, sample boats, reference materials and cleaning supplies are available from laboratory suppliers, though crucible type should match the specification. Long-term consumable cost is low to moderate depending on sample volume.

Q8: Can I customize parameters or supporting accessories?

A: Customization includes sample capacity, temperature range, analysis parameters, balance precision, gas control, software features and accessories. Additional crucibles and accessories can be ordered separately. Custom orders extend delivery lead-time.

Q9: Does the purchase include on-site installation and commissioning service?

A: Yes, automatic proximate analyzers include on-site installation, commissioning, calibration and operator training by certified specialists. Site preparation guidance is provided before delivery.

Q10: What types of samples are compatible with this equipment?

A: The automatic proximate analyzer analyzes coal, biomass, coke, solid fuels and other solid materials within the sample size, temperature range and composition specification. Samples should be properly prepared (ground, sieved, homogenized) per the standard method. Different fuel types may require specific method parameters. Very high ash or moisture samples may require special handling. Users should follow the specific test standard (ASTM D3172, GB/T 212, etc.) for sample preparation (particle size, mass), use proper crucibles, calibrate with certified reference materials, report results as moisture, ash, volatile matter and calculated fixed carbon (by difference) with the test method specified, and for fuel quality, compare results with applicable specifications. The furnace should be maintained per manufacturer schedule, and the balance should be calibrated regularly. Samples should be properly stored to prevent moisture change before analysis. The analyzer should be installed with proper ventilation for furnace exhaust. Waste ash should be disposed of per applicable regulations. For biomass samples, the method should be appropriate for the material type, as biomass may have different combustion characteristics than coal.