 |
ELECTRODE MEASURMENT (IN mm) |
DATE |
PHASE |
250 |
500 |
750 |
1000 |
1250 |
1500 |
1750 |
CONDITION |
|
|
ACTUAL DIA OF ELECTROD |
|
9/7/02 |
E3 |
300 |
330 |
350 |
360 |
370 |
385 |
400 |
COATED |
16/7/02 |
E3 |
270 |
280 |
330 |
359 |
375 |
377 |
400 |
COATED |
17/7/02 |
E1 |
300 |
333 |
345 |
372 |
375 |
388 |
400 |
COATED |
18/7/02 |
E1 |
250 |
300 |
310 |
330 |
365 |
380 |
400 |
COATED |
18/7/02 |
E2 |
250 |
295 |
320 |
332 |
350 |
370 |
400 |
COATED |
19/7/02 |
E2 |
260 |
330 |
342 |
357 |
372 |
382 |
400 |
UNCOATED |
19/7/02 |
E1 |
270 |
305 |
342 |
365 |
380 |
384 |
390 |
UNCOATED |
20/7/02 |
E3 |
292 |
280 |
335 |
348 |
371 |
380 |
395 |
UNCOATED |
22/7/02 |
E2 |
252 |
292 |
345 |
36 |
370 |
380 |
293 |
UNCOATED |
23/7/02 |
E1 |
260 |
320 |
340 |
368 |
372 |
380 |
390 |
UNCOATED |
23/7/02 |
E3 |
295 |
322 |
335 |
355 |
372 |
375 |
390 |
UNCOATED |
25/7/02 |
E2 |
260 |
280 |
295 |
315 |
345 |
360 |
380 |
UNCOATED |
26/7/02 |
E1 |
270 |
295 |
350 |
362 |
375 |
390 |
395 |
UNCOATED |
26/7/02 |
E3 |
280 |
330 |
332 |
350 |
360 |
378 |
380 |
UNCOATED |
26/7/02 |
E2 |
280 |
320 |
332 |
345 |
365 |
380 |
390 |
UNCOATED |
27/7/02 |
E2 |
270 |
320 |
330 |
360 |
370 |
380 |
390 |
UNCOATED |
27/7/02 |
E3 |
290 |
315 |
335 |
353 |
370 |
380 |
390 |
UNCOATED |
27/7/02 |
E1 |
260 |
320 |
342 |
350 |
371 |
383 |
400 |
UNCOATED |
28/7/02 |
E1 |
290 |
315 |
340 |
360 |
384 |
392 |
400 |
UNCOATED |
28/7/02 |
E3 |
282 |
320 |
353 |
370 |
380 |
392 |
400 |
UNCOATED |
29/7/02 |
E1 |
278 |
315 |
342 |
355 |
372 |
380 |
400 |
UNCOATED |
29/7/02 |
E2 |
272 |
325 |
362 |
372 |
380 |
385 |
400 |
UNCOATED |
31/7/02 |
E1 |
280 |
320 |
340 |
360 |
370 |
385 |
400 |
UNCOATED |
31/7/02 |
E2 |
280 |
320 |
345 |
360 |
380 |
390 |
400 |
UNCOATED |
2/8/02 |
E1 |
310 |
320 |
355 |
370 |
380 |
377 |
390 |
UNCOATED |
2/8/02 |
E2 |
250 |
290 |
320 |
360 |
370 |
380 |
390 |
UNCOATED |
2/8/02 |
E3 |
280 |
295 |
330 |
354 |
367 |
382 |
390 |
UNCOATED |
4/8/02 |
E3 |
280 |
300 |
340 |
360 |
390 |
400 |
400 |
UNCOATED |
22/8/02 |
E2 |
283 |
286 |
340 |
345 |
360 |
388 |
390 |
UNCOATED |
23/8/02 |
E2 |
280 |
284 |
337 |
345 |
360 |
385 |
389 |
UNCOATED |
24/8/02 |
E2 |
260 |
310 |
330 |
360 |
370 |
380 |
390 |
UNCOATED |
26/8/02 |
E2 |
310 |
320 |
350 |
370 |
370 |
380 |
390 |
COATED |
26/8/02 |
E3 |
260 |
320 |
325 |
335 |
370 |
375 |
390 |
COATED |
27/8/02 |
E3 |
280 |
290 |
330 |
355 |
359 |
380 |
390 |
COATED |
27/8/02 |
E2 |
280 |
290 |
315 |
340 |
355 |
375 |
390 |
COATED |
29/8/02 |
E3 |
300 |
315 |
350 |
368 |
376 |
385 |
395 |
COATED |
29/8/02 |
E1 |
290 |
325 |
352 |
365 |
370 |
385 |
395 |
COATED |
30/8/02 |
E1 |
290 |
330 |
350 |
360 |
370 |
380 |
390 |
COATED |
30/8/02 |
E2 |
285 |
320 |
332 |
355 |
370 |
385 |
400 |
COATED |
31/8/02 |
E2 |
280 |
310 |
330 |
355 |
375 |
385 |
390 |
COATED |
31/8/02 |
E3 |
285 |
305 |
320 |
340 |
348 |
360 |
390 |
COATED |
2/9/02 |
E1 |
285 |
310 |
335 |
350 |
380 |
385 |
395 |
UNCOATED |
9/9/02 |
E3 |
290 |
300 |
315 |
337 |
347 |
362 |
385 |
UNCOATED |
10/9/02 |
E1 |
280 |
320 |
330 |
355 |
360 |
370 |
380 |
COATED |
11/9/02 |
E3 |
285 |
315 |
353 |
372 |
380 |
385 |
398 |
COATED |
12/9/02 |
E1 |
290 |
325 |
355 |
375 |
382 |
390 |
400 |
COATED |
12/9/02 |
E2 |
285 |
315 |
350 |
376 |
385 |
390 |
400 |
COATED |
13/9/02 |
E3 |
280 |
320 |
350 |
376 |
380 |
395 |
40 |
COATED |
13/9/02 |
E1 |
290 |
320 |
350 |
375 |
380 |
395 |
400 |
COATED |
14/9/02 |
E3 |
285 |
325 |
360 |
378 |
385 |
395 |
400 |
COATED |
14/9/02 |
E2 |
290 |
330 |
350 |
375 |
380 |
395 |
400 |
COATED |
15/9/02 |
E1 |
290 |
325 |
353 |
373 |
385 |
397 |
400 |
COATED |
22/9/02 |
E1 |
260 |
270 |
285 |
300 |
330 |
350 |
375 |
UNCOATED |
22/9/02 |
E2 |
268 |
275 |
280 |
310 |
320 |
360 |
370 |
UNCOATED |
23/9/02 |
E1 |
262 |
270 |
288 |
310 |
330 |
352 |
375 |
UNCOATED |
25/9/02 |
E2 |
280 |
290 |
300 |
335 |
340 |
355 |
375 |
UNCOATED |
25/9/02 |
E1 |
260 |
270 |
300 |
345 |
350 |
360 |
375 |
UNCOATED |
New Generation High Temperature Electrical Insulation Coatings for EAF/LRF/Induction Furnance Steel Manufacturing
Parameters |
Before Coating |
After Coating |
Power Consumption per MT |
440 KWh |
370 KWh |
Graphite Consumption per MT |
2.90 Kgs |
2.60 Kgs |
Metal Produced (MTs) |
100 + 2.5 % |
112 |
|
|
|
Net Increase in Metal output |
|
12 MTs +/- 1 % |
Percentage Increase |
|
i.e. > 10 % |
|
|
|
Net Power Saving per MTs |
|
70 KWh |
Percentage Increase |
|
15.90 % |
|
|
|
Net Graphite Saving per MTs |
|
0.30 Kgs |
Percentage Increase |
|
10.90 % |
Results obtained after applying coatings in 15 MTs (Megatherm) Induction Furnance:
Parameters |
Before Coating |
After Coating |
Power Consumption per MT |
700 KWh |
650 KWh |
Heat Time (Minutes) |
150 |
130 |
Metal Produced (MTs) |
15 |
16.5 |
Net Increase in Metal Output |
|
1.5 MTs +- 1% |
Percentage increase in Metal Output |
|
10% |
Net Power Savings per MT |
|
50 KWH |
Sparking and GLD Tripping |
Yes |
No |
|
 |
Test Results |
Net Carbon Savings:
#E1 = 20.19 kg/364.8 (5.54%)
#E2 = 23.9 kg/364.8 (6.55%)
#E3 = 10.8 kg/364.8 2.96%)
|
Performance Graph - #E1 |
 |
Performance Graph - #E1 |
 |
Performance Graph - #E1 |
 |
Note |
*Savings of Carbon varies with Graphite Electrodes denesity. |
|
Power Savings |
 |
|
Graphite Savings |
 |
|
 |