Name: Ash Muffle Furnace 7L (YEK-MF Series)
Brand: YEKGLOBAL
SKU: 55

Question 1

What is YEK-MF ash determination furnace and what is it used for?

Accepted Answer

YEK-MF is a high-temperature laboratory furnace used to determine ash content of solid fuels (coal, coke, biomass) and other organic materials. Performs ash determination according to ISO 1171, ASTM D3174, and DIN 51719 standards. Widely used in thermal power plants, mining operations, cement plants, biomass facilities, and quality control laboratories. Critical for coal quality, energy value, and combustion efficiency analyses.

Question 2

What are the technical specifications of YEK-MF furnace?

Accepted Answer

YEK-MF is a high-quality ceramic fiber insulated furnace reaching 1000°C maximum temperature. Microprocessor-controlled temperature regulator provides ±3°C accuracy. Models with 6-12 sample capacity available. Automatic programming allows setting heating rate, holding time, and cooling program. Fast heating (room temperature to 815°C in 60 minutes) and energy-efficient operation. Safety features include overheating protection and door lock system.

Question 3

Which standards are applied for ash determination with YEK-MF?

Accepted Answer

YEK-MF furnace works in full compliance with international standards: ISO 1171 (ash determination in solid fuels), ASTM D3174 (coal and coke ash analysis), DIN 51719 (solid fuels ash determination), BS 1016-104 (British standard), and GB/T 212 (Chinese national standard). Standard ash determination procedure: Sample is burned at 815±10°C for 60 minutes, then cooled and weighed. Ash percentage is calculated as remaining mass/initial mass x 100.

Question 4

What sample types can YEK-MF furnace be used for?

Accepted Answer

YEK-MF can determine ash content of various organic materials: hard coal, lignite, anthracite, coke, wood pellets, biomass, agricultural waste (straw, husks, corn cobs), refuse-derived fuels (RDF), peat, paper pulp, food products, feed products, and polymer materials. Sample should be approximately 1 gram in ground powder form and burned in porcelain crucible.

Question 5

What are the maintenance and calibration requirements of YEK-MF furnace?

Accepted Answer

YEK-MF furnace requires minimum maintenance. Regular cleaning includes removing ash residues from furnace interior and checking porcelain crucibles. Temperature calibration should be performed annually or every 1000 measurements using reference thermocouple. Heating elements have approximately 5000 hours lifespan. Ceramic fiber insulation should be protected from mechanical damage. YEKLAB provides calibration certificate, periodic maintenance, and spare parts service.

Question 6

Why are YEK-MF ash determination results important?

Accepted Answer

Ash content directly affects fuel quality and energy value. High ash content reduces energy value, causes wear and scaling in combustion systems, produces more waste. High-ash coal use in thermal power plants leads to efficiency loss and increased maintenance costs. In coal trade, ash ratio is fundamental pricing parameter. In cement production, ash content of alternative fuels (biomass, waste) affects final product quality. ISO 1171 standard ash determination is accepted in international trade.

Model Code	Max. Temperature	Continuous Operation	Heating Element	Internal Volume (L)
YEK-MF 1100	1100°C	1050°C	Fe-Cr-Al Resistance	4L / 7L / 14L
YEK-MF 1200	1200°C	1150°C	Fe-Cr-Al Resistance	4L / 7L / 14L
YEK-MF 1300	1300°C	1250°C	SiC (Silicon Carbide)	4L / 7L / 14L
YEK-MF 1600	1600°C	1550°C	MoSi2 (Molybdenum)	4L / 7L / 14L

Ash Muffle Furnace 7L (YEK-MF Series)

Product Description

YEK-MF Series Muffle Furnaces

Highlights

YEK-MF Series Specifications

Technical Specifications

Product Information

Frequently Asked Questions About YEK-MF Ash Determination Furnace