DESIGN OFFICE ACTIVITIES

THE C H E L Y A B I N S K M E T A L L U R G I C A L W O R K S

1. A section for h igh- tempera ture alloy t reatment . 2. Argon blowing through the meta l in a ladle during tapping. 3. Reconstruction of a 40-ton e l ec t r i c - a r c furnace. 4. A protection frame for 15-ton weighing scales.

5. Reconstruction of No. 1 open-hear th furnace. G. A rigid main roof arch.

7. An oxygen drying block, Q = 600 ma/h. 8. Evaporat ion-type air cooling for operator cabins of claw and soaking pit cranes.

9. Instal lat ion of SKK-lPR air-condi t ioners on skelp mi l l cranes. 10. Reconstruction of a vacuum instal lat ion equipped with mechanica l pumps (the RVN-75 and RVN-30 blocks) to

a target pressure of 1-1.5 mm Hg. 11. A provisional mi l l ing and separation section for broken chrome-magnes i te brick.

12. A section for slag mixture preparation. 13. A section for exothermic briguette preparation. 14. Remote control crane operation. 15. Conversion of a tractor substation from RMNV-1000 to VUKS 400/230. 16. Transport of tr immings from a 600-ton shearing machine (a revolving assembly with cases). 17. Mechanizat ion of a cut steel transport section adjacent to a cold-shearing machine. 18. Instal lat ion of vacuum, high-tension power c i rcui t breakers of the RMVAK-6/300 type on furnaces. 19. Designing a can t i l eve r - t r ave l l e r crane (Q = 5 tons) of a 5 .3 -m arm length, with cabin and conditioners. 20. Reconstruction of an open-hear th furnace comprising a conversion to s ingle-port burners and providing for top

oxygen blowing into the bath. 21. Building up the park of 100-ton pouring ladles. 22. Instal lat ion of and technology development for a M-7400A machine. 23. Construct ionofand technology development for a mechanized chamfering and abrasion line in the hot dressing

section of a roughing mil l . 24. Updating a meta l transport junction in a blank stockyard as well as the roll trains in front of and behind a shear-

ing machine. 25. Mechanizat ion of cut mater ia t removal from a shearing machine of a gage 800 mil l , comprising and exchange

of roll trains. 26. Instal lat ion of antifr ict ion bearings on the reducing gear main drive and the six-high stand of a gage 450 train

of a 350 mil l . 27. Manufacture of a deburring stand. 28. Reconstruction of the spraying system on spray basins. Organizing a conveyer system of serial production of

roiling mi l l shear blades. 29. Inject ion l ining of open-hear th furnaces. 30. An e l e c t r i c - a r c furnace input power control ler with magnet ic amplifiers.

Translated from Metallurg, No. 9, p. 22, September, 1988.

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