IND-08Heavy industry
Cement & Heavy Industry Instrumentation & Automation
Measurement, gas analysis and control for kilns, preheaters, mills and material handling — specified for heat, dust and vibration.
Capability area · no project records published yet
01Raw mill & material handling
- PDT-101, differential pressure transmitter
- WT-102, weight transmitter
- LT-103, level transmitter
02Preheater & calciner
- TT-201, temperature transmitter
- PT-202, pressure transmitter
- AT-203, analyzer transmitter (O₂)
03Kiln & kiln inlet
- AT-301, analyzer transmitter (O₂)
- AT-302, analyzer transmitter (CO)
- TT-303, temperature transmitter
04Clinker cooler
- PT-401, pressure transmitter
- FT-402, flow transmitter
- TT-403, temperature transmitter
05Cement mill & dispatch
- PDT-501, differential pressure transmitter
- LT-502, level transmitter
- WT-503, weight transmitter
06Stack & emissions
- AT-601, analyzer transmitter (Dust)
- AT-602, analyzer transmitter (NOx)
- FT-603, flow transmitter
01Process context
The process environment
Cement production runs as a continuous chain: raw material preparation and grinding, preheating and calcination, clinker burning in the kiln, cooling, and finish grinding. Kiln and preheater conditions — temperatures, draft and gas composition — govern clinker quality, fuel consumption and refractory life.
The environment is hard on instruments: high temperature, abrasive dust, heavy vibration and large electrical drives. Gas sampling at the kiln inlet has to cope with extreme dust load and heat, and many measurements depend on robust mounting, purging and protective installation rather than on the sensor alone.
02Measurement & control points
Typical measurement and control points
General practice across cement & heavy industry facilities, in process order: what is measured, the technology commonly used and how it reaches control. Illustrative — every plant differs.
| Process area | Parameters | Typical technology | Integration |
|---|---|---|---|
01Raw mill & material handling
|
|
| Mill load and feeder ratio control in PLC. |
02Preheater & calciner
|
|
| Temperature and draft monitoring with blockage alarms. |
03Kiln & kiln inlet
|
|
| Combustion and kiln control, with analyzer status and probe-cleaning cycles. |
04Clinker cooler
|
|
| Grate speed and cooling-air control. |
05Cement mill & dispatch
|
|
| Mill control and silo inventory to SCADA. |
06Stack & emissions
|
|
| Continuous emissions data retained for reporting. |
01
Raw mill & material handling
- PDT-101
- WT-102
- LT-103
- Parameters
- Mill differential pressure
- Feed rate
- Bin and silo level
- Typical technology
- DP transmitters
- Weighfeeders
- Radar level for solids
- Integration
- Mill load and feeder ratio control in PLC.
02
Preheater & calciner
- TT-201
- PT-202
- AT-203O₂
- Parameters
- Cyclone gas temperatures
- Draft pressure
- Oxygen and CO
- Typical technology
- Thermocouples
- Pressure transmitters with purging
- Gas analyzers
- Integration
- Temperature and draft monitoring with blockage alarms.
03
Kiln & kiln inlet
- AT-301O₂
- AT-302CO
- TT-303
- Parameters
- Kiln-inlet O₂, CO and NOx
- Burning-zone temperature
- Kiln shell temperature
- Typical technology
- Extractive analyzers with water-cooled probes
- Pyrometers
- Shell scanners
- Integration
- Combustion and kiln control, with analyzer status and probe-cleaning cycles.
04
Clinker cooler
- PT-401
- FT-402
- TT-403
- Parameters
- Grate pressure
- Cooling-air flow
- Clinker temperature
- Typical technology
- Pressure transmitters
- Air-flow measurement
- Thermocouples or pyrometers
- Integration
- Grate speed and cooling-air control.
05
Cement mill & dispatch
- PDT-501
- LT-502
- WT-503
- Parameters
- Mill differential pressure
- Silo level
- Packing weight
- Typical technology
- DP transmitters
- Radar level for solids
- Weighing systems
- Integration
- Mill control and silo inventory to SCADA.
06
Stack & emissions
- AT-601Dust
- AT-602NOx
- FT-603
- Parameters
- Dust
- SO₂ and NOx
- Flue-gas flow
- Typical technology
- Dust monitors
- In-situ or extractive gas analyzers
- Stack flow measurement
- Integration
- Continuous emissions data retained for reporting.
Tag key · ISA 5.1
- PDT
- Differential pressure transmitter
- WT
- Weight transmitter
- LT
- Level transmitter
- TT
- Temperature transmitter
- PT
- Pressure transmitter
- AT
- Analyzer transmitter
- FT
- Flow transmitter
Loop numbers follow the process area — 1xx for area 01, 2xx for area 02 — as on a plant P&ID. The points are typical of the industry, not taken from a specific plant.
03Engineering considerations
What makes cement & heavy industry facilities demanding
The conditions that shape instrument selection, installation and control design in this environment.
Heat and dust
Housings, cooling or purge arrangements and cable routing protect measurements near kilns, coolers and mills.
Vibration
Mounting, remote electronics and robust connections reduce failures caused by mill, fan and crusher vibration.
Gas sampling at the kiln inlet
Probe design, automatic cleaning and sample conditioning decide analyzer availability far more than the analyzer itself.
Electrical noise
Large drives and long cable runs call for careful earthing, shielding and segregation of signal cables from power.
04Capabilities
How Spaaronn's capabilities apply
Spaaronn's capability scope, read for cement & heavy industry facilities — from individual measurements to integrated, supported systems.
- 01InstrumentationTemperature, pressure, level and flow instruments specified and installed for heat, dust and vibration.
- 02Industrial AutomationPLC and SCADA for kiln, mill, material-handling and utility sections, including retrofits of ageing controls.
- 03Analytical SystemsKiln-inlet, preheater and stack gas analysis with probes and sample conditioning suited to dust and heat.
- 04System IntegrationSection controllers, drives, analyzers and legacy systems brought into plant-wide supervision.
- 06AMC & Lifecycle SupportPreventive maintenance, analyzer upkeep and inspections scheduled around planned kiln shutdowns.
Typical applications
Arrangements where these capabilities commonly come together in cement & heavy industry plants.
All applications- Process Gas AnalysisOnline analyzers with sample extraction, conditioning and control-system integration.
- PLC & SCADA MigrationBrownfield modernization of control systems with planned cut-over and minimal disruption.
- Compressed Air MonitoringPressure, dew point, flow and temperature across compressors, dryers and distribution.
Next steps
Where to go next
Technical guides that apply to cement & heavy industry requirements — then the conversation.
- 01AnalyticalAnalyzer Sampling & Sample Conditioning BasicsWhy most analyzer problems start in the sample system, and how to design it well.
- 02Application guidesLevel Measurement Methods for TanksHydrostatic, DP, radar, ultrasonic, guided-wave and point-level methods compared.
- 03AutomationBrownfield PLC Migration: Planning Without Disrupting OperationsAudit, migration strategy, cut-over planning and testing for running plants.
- 04ActionDiscuss a Cement & Heavy Industry RequirementShare the process, the conditions and the existing control system.
Cement & Heavy Industry enquiry
Dealing with a hard-to-keep measurement near the kiln or mill?
Share the location, the conditions and what keeps failing. An engineer can help work through the measuring principle, installation and sampling approach.