Shenyang, China · Ore testing · Pilot plants · Process equipment

Prove your ore in the lab — before you spend on a plant.

NORDTECH runs your ore through bench tests, 1–5 t/h pilot lines and full-scale thickeners, separators and roasting systems — the same engineering team from first test to final plant. Our lab and pilot fleet has operated for leading international laboratories, a national key laboratory in China, and mine sites in Zambia. Every quotation is backed by test data, not catalogue curves.

Single lab machines ship in weeks — no plant project required. RXGD slurry sampler — ships in days →

Leading laboratoriesTurnkey dry magnetic pilot line
Laboratory partnerRental lab separator fleet on site
Shenyang, ChinaEngineering & testing hub
ZambiaSlurry samplers delivered & running
Featured · Fast decision

Lab-scale & pilot equipment — buy the proof before the plant

The same lab and pilot fleet we deploy in testing programs — together with our accredited partner laboratory — is available as standalone equipment: single machines for bench verification, 1–5 t/h modular pilot lines for bankable process data. Skid-mounted, shipped worldwide, installed in days. Fleet references: leading international mineral laboratories, a national deep-mining key laboratory, and mine sites in Zambia.

RXGD multi-channel automatic slurry sampler installed on a process pipeline
Featured — fast-ship item

RXGD Multi-Channel Slurry Sampler

Know what is actually in your pipes — automatic sampling, around the clock, on any concentrator.

  • Three channels, 2–3 sampler sets — raw ore, concentrate and tailings monitored in one unit
  • Fully automatic timed sampling: timer relay + proximity switch + solenoid valve; PLC + touch-screen optional
  • 316L stainless sampling tubes with ceramic lining; UHMWPE distribution box for corrosive Cu / Au duties
  • Pneumatically driven — works with any concentrator, not just ours
  • Proven: delivered and running at a mine site in Zambia
  • Ships in a crate, installed in hours — no engineering project required

Get one without a plant project: send us your pipe diameter and slurry properties on WhatsApp or email — quotation in one business day.

Pilot lines · 1–5 t/h, modular steel platform

Dry Magnetic Pilot Line · 1 t/h

Jaw + cone + roll crushing, swing screen, magnetic separation at 4,000–12,000 Gauss, dedusting — with belt/elevator auxiliaries on a modular steel platform. For lithium ores, REE and hematite verification. Delivered turnkey for a leading international laboratory group.

Get layout & quote →

HPGR Air-Separation Dry Line

Jaw + cone + HPGR followed by balanced, fine and ultra-fine dry separators at 900–4,000 Gauss, with dedusting. Dry grinding–dry separation verification for magnetite and mixed iron ores.

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Tailings Dry-Stack & Backfill Pilot Line

Pulping unit, modular deep-cone thickener (Ø0.8–1 m × 5–10 m), slurry circulation loop, water treatment and full dosing set. Dry-stack and backfill verification for every tailings type — operating at a national deep-mining key laboratory.

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Integrated Rotary Kiln Pilot Line · 1–2 t/h

Φ1.0 × 10 m integrated kiln with feeding, drying, electromagnetic heating, dedusting, cooling and three-stage dry separation. Handles feed at 20%+ moisture, with feeding, dedusting and cooling fully integrated.

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Steel Slag Processing Line · 120 t/h

Crushing, rod milling, iron removal and 7 magnetic separators on a modular platform — recovers lump steel and concentrate from steel slag. Delivered and running at an overseas steel plant.

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Custom Pilot Line

Send your flowsheet, ore data or target — we configure a modular pilot line from the same building blocks and return sizing, layout and quotation with test data behind it.

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Single lab machines · bench & industrial verification

LBL-1 Wet Magnetic Separator

800–4,000 Gauss adjustable, co-/counter-current tank, visible field readout. 2–10 kg per test or 2 t/h continuous — direct industrial verification against the Davis tube. Operating at a leading international laboratory.

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High-Field Wet Magnetic Separator

3,000–7,000 Gauss adjustable, wide-range speed control, co-/counter-current tank. 2–10 kg per test, 2 t/h continuous — for mixed iron and ilmenite verification.

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Balanced Dry Separator · 0–10 mm

3,500 Gauss standard — configurable to 1,500–10,000 Gauss. 2–10 kg per test, 2 t/h continuous. For magnetite, mixed iron and ilmenite. In service at a leading international laboratory.

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Fine Dry Separator · 0–2 mm

900 / 1,800 Gauss (any field strength on request). 2–10 kg per test, 2 t/h continuous; two units in tandem for direct industrial verification. Magnetite and sand ores. Rental available.

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Ultra-Fine Dry Separator · 0.05–1 mm

4,000 Gauss gradient field, wide-range speed adjustment. Direct industrial verification for tailings and collected-dust re-processing. In rental service at a leading laboratory.

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Multi-Stage Dry Separator for Hematite

6000 / 8000 / 9000 / 10,000 Gauss multi-stage field, 3+ t/h per unit — dry beneficiation of weakly magnetic ores, a configuration rarely available in this class. Operating at a major international iron-ore producer.

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Modular Deep-Cone Thickener · Lab

Modular design, Ø0.8–1 m × 5–10 m, complete with dosing, dilution and settling tanks. Settling and flocculation testing that scales straight to industrial verification.

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Mobile Demagnetizer

Mobile design, two-stage adjustable power, 20 kW. In service at a leading international laboratory.

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Lab HPGR · 3513

Modular integrated high-pressure grinding roll, −20 mm feed, 2 t/h — bench-scale HPGR for liberation and energy studies.

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Buy or rent, no plant project required: tell us your ore and duty on WhatsApp or email — machine selection and quotation in one business day. Rental available for selected separators and demagnetizers.

Full-scale · Thickening

Thickening & dewatering, engineered in-house

From clear-water CCD circuits to paste-style tailings dry stacking. Every unit is sized against your own sedimentation test data — not generic catalogue curves.

Rake and feedwell assembly of a Nordtech high-rate thickener on site
Rake & feedwell assembly of a Nordtech thickener on site — designed in Shenyang, fabricated to Nordtech drawings.
Keep your tank

Retrofit: more capacity without a new thickener

Systematic upgrade of existing thickeners — feedwell, rake and drive redesign — to boost capacity and operating efficiency. Every retrofit is engineered, checked and documented:

Φ4–60 mThickener sizes
±2 mmFabrication tolerance
100%Pre-shipment inspection
8 stepsStandardized lab workflow
1–5 t/hModular pilot lines
1. DiagnosisOn-site assessment of tank, drive & process
2. PlanRetrofit solution design
3. FabricationUpgrade kit built to Nordtech drawings & inspection
4. CommissioningInstallation & performance test
Full-scale · Dry separation

Full-particle-size dry magnetic separation

Six dry separator series cover the whole route — lump waste rejection at the conveyor head to super-fine concentrate cleaning. All-dry: no water, no wet tailings, made for arid sites.

Grinding & thermal processing

From inter-particle crushing to roasting — one supplier

HPGR and tower mills for efficient comminution and liberation, rotary kiln roasting with a full environmental package — delivered with our long-term partner factories and integrated into your flow sheet by Nordtech engineering.

Why these three matter together: HPGR pre-crushing boosts downstream separation — liberation degree improved 2–6× Tower mill delivers the fine feed that dry cleaning (NDCG / NDF) requires Roasting converts refractory ores into separable feed, FGD built in All three integrate into the same flow sheet and mass balance
Separator specifications

Numbers from our own beneficiation tests

Data based on NORDTECH beneficiation test reports and engineering references.

ModelApplicationKey parametersTypical result
NDGS-1230-IIMagnetite & mixed ore, coarse waste rejection1,800 Gauss · 400 t/h · −10 mm48–50% → 56–58% Fe, 20% waste rejected
NDQG-1030-IIHigh-intensity cleaning (hematite)10,000 Gauss · 200 t/h · −10 mm50% → 58% Fe, 50% waste rejected
NDCG-1240-IVFine-particle cleaning900/1,800 Gauss · 200 t/h · −1.5 mm33–34% → 67%+ Fe, yield 40%+
NDF-50-IITailings & dust-attrition ore cleaning50–100 t/h · 80–400 mesh20% → 65%+ Fe, tailings MFe ≤ 2%
Built to last: Through-shaft + large bearing — 6,000 h+ life (vs ~1,000 h stub shaft) Carbon-fiber drum shell + 3 mm ceramic tiles — 4,000 h+ (vs ~1,000 h rubber) Scraper + brush dual cleaning — no buildup, rain-season adaptable Multi-pole flip magnetic system
Lab testing & process design

Partnership starts with one ore sample

Send a representative sample to our accredited partner lab in Shenyang. A standardized 8-step workflow takes it from receipt to a formal report — including the sedimentation test that sizes your thickener correctly. Preliminary assessment and sizing are free; physical test programs are quoted per sample, with the testing fee credited against your first order.

01
Moisture testMoisture determination
02
Size analysisParticle size distribution
03
MineralogyMineral composition
04
Chemical phaseChemical phase analysis
05
Magnetic testMagnetic separation route
06
Continuous testGrinding–magnetic continuous run
07
Sedimentation testThickener sizing & flocculant dosing
08
ReportFlow sheet, mass balance & quotation
Quality control

Every unit meets spec at delivery — measured, not promised

±2 mmStructural assembly tolerance
100%Pre-shipment inspection coverage
6–20 mmAnti-corrosion plate thickness
HRC 45–55Verified wear surface hardness
R&D & testing: Magnetic system FEM simulation for precise field control HPGR liberation study — liberation degree improved 2–6× Engineering lab with continuous test loop, design-data closed loop Third-party inspection (SGS / BV) available on request
Workshop lifting of a thickener drive cage during fabrication
Fabrication & pre-shipment inspection at audited partner workshops — every critical weld and dimension checked before dispatch.
3D structural design model of a modular separation platform
Engineering comes first: every platform and thickener is fully modelled in 3D before a single plate is cut.
Why Nordtech

One responsible partner, from sample to plant

A lean engineering company built for small and mid-scale projects: fast decisions, direct access to the engineers who design your circuit, honest pricing.

01

One-stop responsibility — single point of contact

Lab testing, process design, procurement and delivery supervision under one roof. One contract, one accountable partner — no finger-pointing between vendors.

02

Audited partners, Nordtech-controlled quality

Thickeners and magnetic separators are Nordtech's own designs, fabricated at long-term partner workshops to Nordtech drawings, with Nordtech inspection before shipment and brand-name key components throughout.

03

Modular design, faster construction

Modular manufacturing shortens on-site construction time and reduces installation risk in remote locations.

04

Global delivery & lifecycle support

Overseas delivery experience across Africa, Central Asia and South America, with spare-part inventory and remote O&M support.

Get thickener sizing

Tell us your slurry.
We size the thickener — free.

Send tank and process data for a free retrofit assessment, or a representative ore sample for an accredited lab test program (quoted per project). We return sizing, flow sheet and quotation with real test data behind it.

Sizing & preliminary assessment free · lab testing quoted per sample · freight paid by sender.

Prefer email? Write to tonynordtech@gmail.com · or WhatsApp — a real engineer answers.

Buyer questions

Before you ask

Can we buy or rent lab equipment before committing to a plant?

Yes — that is exactly how most clients start. Single lab machines (magnetic separators, samplers, thickeners, HPGR) ship in weeks, with rental available for selected dry separators and demagnetizers. Modular pilot lines of 1–5 t/h are quoted per flowsheet. The same fleet has operated for leading international mineral laboratories, a national deep-mining key laboratory in China, and mine sites in Zambia.

What throughput do the pilot lines handle?

1–5 t/h depending on ore and flowsheet: a dry magnetic pilot line at 1 t/h, HPGR air-separation dry lines, tailings dry-stack and backfill lines, an integrated rotary kiln line at 1–2 t/h, and a 120 t/h steel slag line. All are skid-mounted on modular steel platforms, disassembled into containers, and reassembled on site in days.

How much capacity can a thickener retrofit actually add?

Typical NORDTECH retrofits raise throughput and settling speed substantially, cut energy and flocculant consumption, and extend equipment life by years — without replacing the existing tank. The actual result depends on your current feedwell, rake and drive condition, which the on-site diagnosis measures first.

What underflow density can your paste thickener reach?

Paste thickeners discharge at 60–75% w/w underflow for paste-style high-density tailings, with diameters from 0.8 to 45 m, wall heights above 8 m, floor slopes of 30–45° and drive torque up to 9,600,000 Nm. Applications include tailings surface stacking, CCD washing circuits and mine backfill.

How do you size a thickener without visiting my site?

Through the sedimentation and flocculation test — step 7 of our standardized 8-step lab workflow. You send a representative slurry or ore sample; we measure settling behavior and flocculant response, then size the thickener from your own data and return the report with the quotation. Sizing from your existing plant data is free; a full physical test program is quoted per sample, and the testing fee is credited against your first equipment order.

Can iron ore really be beneficiated without water?

Yes. Our full-particle-size dry magnetic separator range covers 20–350 mm lump waste rejection (NDT pulley, 3,500–8,000 Gauss), high-speed pre-separation at 400 t/h (NDGS), high-intensity cleaning at 7,000–11,000 Gauss (NDQG), fine-particle cleaning at −1.5 mm (NDCG) and super-fine separation at P80 = 0.025 mm (NDF) — all with zero water consumption and dry tailings discharge.

Do you deliver EP turnkey projects overseas?

Yes. We deliver Engineering-Procurement integrated turnkey plants, best suited to small and mid-scale operations: engineering design, fabrication at audited partner facilities under Nordtech inspection, logistics and customs, civil and installation support, commissioning and performance testing, plus operator training and O&M. Modular design shortens construction time, and spare-part inventory plus remote support cover the full lifecycle.

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