MEM48017 — Monitor blast furnace operations

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What an assessment for MEM48017 must cover

174 assessable components: 3 elements (11 performance criteria), 7 performance evidence and 156 knowledge evidence requirements. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.

Elements & performance criteria

1 Determine job requirements

1.1Follow standard operating procedures (SOPs)
1.2Comply with work health and safety (WHS) requirements at all times
1.3Use appropriate personal protective equipment (PPE) in accordance with SOPs
1.4Identify job requirements from work information

2 Access and use SCADA system

2.1Find all relevant screens and information within SCADA system
2.2Interpret and acknowledge messages
2.3Input and output information according to work requirements

3 Make required changes

3.1Adjust production and/or process in response to SCADA information in accordance with procedures
3.2Apply metallurgical principles to determine and prioritise required actions in accordance with SOPs
3.3Record adjustments and variations to specifications and/or schedules and report to appropriate personnel
3.4Refer all events outside of parameters or SOPs to appropriate personnel for remedial action immediately

Performance evidence

following work instructions, standard operating procedures (SOPs) and safe work practices
identifying and interpreting specifications, safety procedures and other reference material to monitor blast furnace operations
meeting specifications for furnace output
applying techniques for increasing blast furnace productivity on at least two occasions
communicating within the workplace
maintaining accurate records.
Note: Where a volume and/or frequency is not specified, demonstration must be provided at least once.

Knowledge evidence

safe work practices and procedures and use of personal protective equipment (PPE)
supervisory control and data acquisition (SCADA) systems
metallurgical principles
proximate and ultimate analysis classification of coal for metallurgical coke
coke including:
coal carbonisation
technical aspects of coke making
coke model
coke manufacture
by-product ovens
sequence of battery operations
coke properties including caking and swelling
quality control tests for coke
crucible swelling number and Gray-King coke type
coke strength after reaction (CSR), abrasion resistance and reactivity tests
other fuels including:
blast furnace gas uses
coke oven gas uses
fuel oil including injection of auxiliary fuels
tar and pitch
iron ore including:
mineralogical characteristics
sources of iron and locations of ore
chemical analysis including desirable ore quality and unwanted impurities
desirable properties for iron making
mining and preliminary treatment (ore beneficiation)
ore handling
blending and stacking including chevron and step stacking
essential characteristics of iron ore
reducibility, strength, size and distribution
lump ore including direction charging
fine ore including need for agglomeration for good permeability
testing and quality control of iron ores for resistance to fines generation
drying handling and charging resistance to decrepitation
low temperature reduced degradation
height temperature (Nagoyal test)
reducibility (Gakushin test)
softening under load
cohesive zone of blast furnace (BF) ore agglomeration including:
need for agglomeration
sources of fines
aims for agglomeration
pelletising including:
use of pelletising and size and quality of ore
pelletising process
quality control needs for pellets
abrasion index
reduction degradation index (RDI)
sintering including:
sintering process
proportioning of raw materials
size of ores, blending and moisture
limestone and coke
mixing and granulation
sinter characteristics and quality
size, strength and reducibility
chemistry (basicity ratio)
quality control tests for sinter
sieving and sizing
sinter tumble test (abrasion test)
low temperature reduction, RDI and high temperature reducibility
miscellaneous raw materials including:
fluxes, limestone, fluorspar and quartzite
manganese ore, air and tonnage oxygen and water
iron blast furnace operations including:
general description and function of blast furnace including charged materials
blast furnace terminology
blast furnace chemistry (reduction chemistry and gaseous versus solid reduction)
thermodynamics of iron making (physio-chemical principles)
free energy charges (Ellingham)
oxygen potential diagram
equilibrium and equilibrium
constant and activity
dependence of coke and/or oxygen reaction and gas composition
blast furnace slags including:
slag and or metal reactions
slag formation reactions
construction and design of blast furnaces including:
furnace construction
furnace profile layout
function of processing units associated with the blast furnace
charging and distribution
ore blending and raw material bins
raw material control and charges
furnace filling
use of moveable armour
refractories and cooling systems including:
choice of refectory materials for furnace lining
method of cooling and under hearth
cooling and stave cooling
campaign life determinants including link between refractories and cooling system
blower stations including hot blast stoves and tuyeres
gas cleaning equipment and dust extraction
cast house layout including:
metal slag
flow-slag disposal
blast furnace sensors including:
computer control
sensors and interpretation
human eye
tuyere and casting condition
thermocouples
hot metal
stoves
brickwork
tip temperature probes
pressure tapping
level detectors
flow meters
flow rate of gases and hot blast
chemical analysis
composition of metal slag and waste gases
principles of iron making including:
furnace filling including mechanism of charging and of distribution segregation effects
blast furnace zones of operations including:
physical movement through the furnace
counter current process
solids, gas and temperature profile five internal zones lumpy or granular zone, cohesive zone and active coke zone raceway
hearth and deadman
lumpy and granular zone-zone formation
cohesive zone-zone formation
active coke zone-zone formation
importance of coke properties
zone chemistry and effects of metal, coke, alkalis and fluxes and slag
raceway including:
physical structure
raceway model-factor affecting shape-blast parameters
combustion in raceway
importance of coke additives to replace coke to improve control and production
hearth and deadmen-zone formation including:
deadman boundary residence time of coke
gas and liquid flow and liquid levels
floating levels and floating of coke bed
liquid permeability
effect of casting rate
fluidity of slag and metal
liquid flow and effect on lining wear
hot metal and slag chemistry including:
hot metal including optimisation of hot metal
composition control of carbon, silicon, manganese, sulphur and phosphorus
slag and mechanism of slag formation including:
optimisation of slag chemistry
requirements of a good slag melting point, basicity and viscosity
ability to remove unwanted materials (de sulphurising power)
slag volume
requirements for effective and efficient operation including:
importance of raw material quality and quantities
burden distribution, tuyere injectants and fuel rate
elimination of irregularities
post iron making practices including:
reasons for post iron making productivity
control of unwanted elements
control of hot metal and composition for basic oxygen steel making (BOS) steel making and balance of exothermic reactions
de-sulphurising, dephosphorisation and desiliconising
lime, magnesium and aluminium
importance of injectants and slag formers and significance of slag partitioning.

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

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Questions about assessing MEM48017

What does an assessment tool for MEM48017 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for MEM48017 needs to address all 174 unit components: 3 elements with 11 performance criteria, 7 performance evidence requirements, 156 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.

How does Auditori generate an assessment tool for MEM48017?

Auditori pulls the current release of MEM48017 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.

Is the first assessment tool really free?

Yes. Every new account includes one free credit — enough to generate the complete assessment tool for MEM48017 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing MEM48017 assessment instead of generating a new one?

Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of MEM48017, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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