| item No. | The date of performance of the work | Wear type | Technical details of the work performed (equipment to be repaired) | Indicators before installing of TECHNOINCOM’s products | The results obtained after installation of TECHNOINCOM’s product | 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: |
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 | 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 | 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 | 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 | 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.