Conveyor analyzer of phosphate ore AGP-K-2

Conveyor analyzer AGP-K-2 is designed to determine the elemental composition of phosphate ore on the conveyor in real time, without sampling

P, Si, Mg, Fe, Al, Ca, C, O, Ti, Na, K and corresponding oxides are determined.

The analyzer provides data on the elemental composition of the ore on the conveyor every 40-60 sec.

Material flow analysis - full depth of ore layer up to 300 mm

No contact with material or conveyor belt

Permissible mass fraction of water in ore - up to 20%

Measuring range of P2O5 concentration - 2 - 38%

Where to install the AGP-K-2 analyzer?

The analyzer is built directly into the conveyor line at the processing plant for continuous real-time quality control of phosphate ore.

Main installation points:

On the transport conveyor from
the mine to the plant

For what:

Constant monitoring of the composition of incoming ore.

Profit:

Quick determination of raw material grade for optimal distribution along technological chains.

On the conveyor after the crusher

For what:

Control of P₂O₅ content in crushed ore before enrichment.

Profit:

Ore grading and operational management of the enrichment process.

Before shipping the finished concentrate

For what:

Final quality control of products.

Profit:

Guaranteed compliance of the concentrate with the requirements of standards and technical conditions.

How it works:

The analyzer is installed under the conveyor — the entire ore flow passes through it.

Measures composition without sampling every 40-60 seconds.

Works with material of any size up to 300 mm.

The data is transmitted to the production management system.

What it gives:

Continuous control of P₂O₅ content and other impurities

Operational management of the enrichment process

Stable quality of finished concentrate

Cost reduction for laboratory analysis

Measurement errors

Element/ Oxide	Measurement uncertainty
P205 (repeatability)	0,25% (absolute standard deviation)
P205 (convergence with chemical analysis results)	less than 5% (relative standard deviation)

Operator interface

The operator interface shows trends of elemental concentrations of P2O5, CaO, SiO2, MgO, Al2O3, Fe total, C.

The data appear every 40-60 sec, the user can also set the required time of 5, 10, 15, 30 min, shift, day to output the averaged data.

Characteristics

Neutron source Portable neutron generator ING-27 with alpha detector

Neutron energy 14 MeV

Neutron beam intensity 5 x 10⁷ n/c

Number of labeled neutron beams 9

Gamma radiation registration system 14 gamma detectors based on BGO crystal

Overall dimensions of the neutron module (LxWxH) 1 255 x 2 046 x 1 295 mm

Minimum distance between ribbon branches 1 090 mm

Weight of neutron module 2 900 kg

Power supply requirements from 220 V mains

Power consumption of the measuring unit No more than 1,500 V-A

Execution

The conveyor analyzer is placed between the working and idle conveyor belts.

AGP-K-2 includes a neutron module with biological shielding and gamma detector unit and an electronics cabinet.

Operation

Kovdorskiy GOK

Commercial operation of the AGP-F stationary rock analyzer at Kovdorskiy GOK from 2019

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Conveyor analyzer of phosphate ore AGP-K-2