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List of references

№ п/п Date of work performance Wear type Technical details of the work performed (equipment to be repaired) Indicators before installation of Tekhnoinkom LLC products Result obtained after installation of Tekhnoinkom LLC products Comments
1 Since October 2015 until present Severe abrasive wear Replacement of the outlet cone of the hydrocyclone Service life: no more than 650 hours. At the time of inspection on April 20, 2016, the operating time was 5,800 m/h.
Since October 2014 until present Replacement of the transfer chute of the inclined discharger

St 3 (Steel 3) thickness - 10 mm.

Service life: max 30 working days.

In operation since October 15, 2014 until present. The scheduled service life is 4 years. The thickness of the steel with overlay welding is 11 mm.
Since January 2016 until present Replacing the T-pipe DN 150

St20 168*14.

Service life: max 1,300 hours.

At the time of the intermediate inspection on September 20, 2016 the operating time of the T-pipe was 5,800 hours. Still in operation.
Since January 2016 until present Replacement of the "spool" DN 150

St20 168*12.

Service life: max 1,300 hours.

At the time of the intermediate inspection on September 20, 2016 the operating time of the T-pipe was 5,800 hours. Still in operation.
2 Since February 2016 until present Severe abrasive wear Replacement of the bend DN 200

St20 (steel 20), thickness 12mm, reinforcing 3mm thick overlay welding with electrodes T590.

Service life: max 720 hours (1 month).

At the time of the intermediate inspection (June 30, 2016), the operating time was about 3,000 hours. Still in operation. The wear of the overlay welded layer was 5 to 7%.
3 2014 Hydroabrasive wear Replacement of the slurry pipeline elbow

St20, thickness 20mm

Service life: max 3 months.

At the time of the intermediate inspection on April 10, 2014 after 3 months of operation the wear was less than 2%. Dismantled on May 15, 2015 by reason other than the wear.
4 2015 Severe impact and abrasive wear Crusher wear plates СМС 504

St3 and reinforcing overlay welding with electrodes T590.

Service life: max 2 months.

The lining was in operation for 6 months before dismantling.
5 Since 2015 until present Severe abrasive wear, aggressive, high-temperature environment Replacement of the bend DN 200

St20

Service life until through wear: 1,900-2,000 hours.

At the time of dismantling on July 14, 2016, the operating time was 5,040 hours. The wear of the overlay welded layer did not exceed 5%. Still in operation.
6 2014 Impact loads and wear with abrasive materials (polymetallic ore, crushed stone) Distributing bin chute

St 110G13L (110Г13Л) Thickness 40mm

service life: 90 days.

Lining with wear-resistant overlay welding. At the date of the preliminary inspection the operating time was 1,227 hours (51 days). The surface wear was less than 5%. It was dismantled due to the completion of the test period.
7 2014 Impact and abrasive wear Crusher wear plates

St3, thickness 14mm, overlay welding with electrodes T-590, T-620, overlay welding thickness: 3mm

service life: 2 months .

Sheets with wear-resistant overlay welding. Service life: 6 months.
8 2014 Abrasive wear Classifier

Wear-resistant cast iron (wear-resistant chrome cast iron), thickness 20mm

Service life: up to 1 year.

Lining of the classifier with wear-resistant sheets allowed extending the service life to 2.5 years. The classifier was dismantled by reason other than the surface wear.
9 2014-2015 Impact and abrasive wear Lining of the charging hopper of the bucket elevator

HARDOX 500 Lining

Service life: max 1 month. (720 hours)

Lining was in operation for more than 9 months (6,496 hours). Kimberlite rock.
10 Since 2013 until present Severe abrasive wear Replacement of the cone (pressure adaptor) Service life: max 6 months In operation since December 04, 2013 until present - more than 45 months.
11 2015-2016 Impact and abrasive wear (pieces drop height – 1,800 mm, pieces size – up to 250 mm) Screen pan for primary screening of run of mine coal HARDOX 500,

Screen pan for primary screening of run of mine coal HARDOX 500

thickness 16 mm. Service life: max 1,711 hours.

At the time of the intermediate inspection, the operating time was 11,125 hours (at a 10 mm thick overlay welding). Still in operation.
Hydroabrasive wear Flow straightener for a heavy media hydrocyclone (in the form of a pipe D 630 mm)

Pipe with a 20 mm thick basalt lining.

Service life: 790 hours.

Pipe with 10 mm thick wear-resistant overlay welding was in operation for 6,330 hours.
12 2014 Impact and abrasive wear Chute in the coal preparation building

HARDOX 500, thickness 20 mm

Service life: 1.5 months

The chute was in operation as of October 20, 2016.
13 2015-2016 Hydroabrasive wear Pressure section of the slurry pump pipeline, bend D 325 mm, angle 90º

Bend of 16 mm thick bimetallic pipe, St 30L/Kh12

Service life: 2,000 hours.

Bend with wear-resistant overlay welding. Service life: 4,756 hours.
14 2014-2016 Hydroabrasive wear SUMP body St 20, wall thickness - 20 mm, maximum throughput capacity - 1,190 thousand tons SUMP body with 5 mm thick wear-resistant overlay welding. It was installed in June 2014. At the time of the intermediate inspection in 2015, the throughput capacity was 3,332 thousand tons Still in operation.
Bend D 273 mm angle 90°, magnesite suspension slurry pipeline St20, wall thickness 20 mm, maximum throughput capacity - 215 thousand tons
15 2015 Impact and abrasive wear lining of the receiving chamber of the screen

HARDOX 500, thickness 12 mm

service life: 40 days.

Wear resistant lining with 10 mm thick overlay welding. Service life: 540 days.
16 2014 Hydroabrasive wear Slurry pipeline elbow with inner wear-resistant overlay welding

St3, thickness 12mm.

Service life: 3 months

Service life of the elbow with overlay welding was more than 2 years. The elbow was dismantled in August 2016.
17 2013 Abrasive wear Load-transfer device

St3, thickness 12 mm.

Service life: 1.5 months

Lining of the load-transfer device increased the service life to 2.5 years.
18 2015 Газоабразивный износ Air blower volute Resistance of a volute made of simple steel is up to 1 month. Resistance of a volute with wear-resistant overlay welding is more than 30 months. Still in operation. Still in operation.
19 2015 Abrasive wear Coke conveyor chute (skirting) of the charge preparation workshop of agglomeration production

St09G2S (Ст09Г2С), thickness 10 mm.

Service life: 90 days.

Lining with 3 mm thick wear-resistant overlay welding. Service life: 480 days.
20 2016 Impact and abrasive wear Breaking surface of the conveyor chute Lining from St09G2S (Ст09Г2С), thickness 16 mm. Maximum throughput capacity is 300 thousand tons. Lining with wear-resistant overlay welding, 5 mm thick. At the time of the intermediate inspection, the throughput capacity was 700 thousand tons Still in operation.
21 2016 Hydroabrasive wear Lining of the classifier spiral Resistance of the lining from the wear-resistant chrome cast iron was 180 days. Lining with wear-resistant tungsten carbide overlay welding. It was in operation for 900 days. Wear at the time of installation was 25% Dismantled by reason other than the wear.
22 2014 Hydroabrasive wear by rock refuse Pressure cone of pump adaptor

St3, thickness 20 mm.

Service life: 3 months

Wear-resistant overlay welding. Wear after 3 months of operation was less than 5%. As of October 20, 2016 it was in operation.
23 2014 Abrasive wear Transportation feed screw conveyer for basalt raw materials

St3, thickness 8 mm.

Service life: 7 days.

2.5 mm thick wear-resistant overlay welding. It was in operation for 63 days. Dismantled by reason other than the wear.
24 2013 г. Abrasive wear O-ring of the grinding fine pulveriser

St65G (65Г), thickness 20 mm.

Service life: 8 hours.

Wear-resistant overlay welding.

Service life: 2,880 hours.

24 2014 г. Abrasive wear Blades with wear-resistant overlay welding for mixers

St65G, thickness 10 mm.

Service life: 4 hours.

Wear-resistant overlay welding.

Service life: 2,880 hours.

26 2013 Abrasive wear Feeding screw conveyer

St3, overlay welding with electrodes T590.

Service life: 16 to 24 hours.

Wear-resistant overlay welding of the end of the feeding screw conveyer. Was in operation for 180 hours.

Copies of the certificates containing test results are provided at the request of the customer.

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