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Waste Heat Recovery Boiler-based power plant
WEBVTT Kind: captions Language: en
00:00:03.950 [Music] 00:00:10.20900:00:10.219 in a coal based sponging plant 00:00:13.12900:00:13.139 temperature of the kiln waste gases 00:00:15.04900:00:15.059 stays between 850 and 950 degrees 00:00:19.37000:00:19.380 Celsius 00:00:20.47000:00:20.480 the clean gases are let out into the 00:00:23.06000:00:23.070 atmosphere through a chimney with the 00:00:24.98000:00:24.990 help of an induced draft fan waste heat 00:00:27.76900:00:27.779 recovery boiler based power plant is an 00:00:30.10900:00:30.119 increasingly popular way to recover 00:00:32.15000:00:32.160 thermal energy from waste gases with 200 00:00:36.13900:00:36.149 tons per day kilns about 3.5 to 4 00:00:39.20000:00:39.210 megawatts of power can be generated for 00:00:42.29000:00:42.300 the recovery of thermal energy each kill 00:00:44.81000:00:44.820 needs 1 waste heat recovery boiler of 10 00:00:47.78000:00:47.790 tons per our capacity to understand the 00:00:50.60000:00:50.610 power generating process let us consider 00:00:52.94000:00:52.950 a four megawatt power generating unit 00:00:55.18000:00:55.190 the rotary kiln generates waste of flue 00:00:58.72900:00:58.739 gases the gases then enter the boiler 00:01:04.90000:01:04.910 the boiler is a PI drum water tube 00:01:08.03000:01:08.040 structure the gases enter a super heater 00:01:10.55000:01:10.560 and then a set of boiler Bank tubes in 00:01:13.67000:01:13.680 these tubes they transform into steam 00:01:15.98000:01:15.990 and then enter the water drums inside 00:01:18.50000:01:18.510 the tubes following this process the gas 00:01:20.99000:01:21.000 is cooled down to about a hundred and 00:01:22.82000:01:22.830 eighty degrees Celsius now they enter a 00:01:25.28000:01:25.290 bare tube economizer an idee fan takes 00:01:30.38000:01:30.390 care of the gas draft losses in the 00:01:32.69000:01:32.700 system the steam turbine is of 00:01:34.81900:01:34.829 multistage horizontal spindle condensing 00:01:37.70000:01:37.710 type turbine the turbine has a gear unit 00:01:40.31000:01:40.320 capable of continuously transmitting the 00:01:42.71000:01:42.720 necessary power and is designed for 00:01:44.87000:01:44.880 speed reduction ratios for the turbine 00:01:47.92000:01:47.930 the unit may consume the power partly 00:01:50.84000:01:50.850 and evacuate the rest into the state 00:01:52.94000:01:52.950 great a wh RB base powerplant is suited 00:01:56.92900:01:56.939 for a DRI plant of a hundred DPD module 00:01:59.60000:01:59.610 and about in case the power generated is 00:02:02.69000:02:02.700 not utilized completely it will be a 00:02:04.76000:02:04.770 loss as it cannot be stored and the 00:02:07.03900:02:07.049 generation should be reduced accordingly 00:02:09.76000:02:09.770 WH RB based power plants also require 00:02:12.85000:02:12.860 adequate water supply on a continuous 00:02:15.13000:02:15.140 basis the estimated cost to set up a 00:02:18.22000:02:18.230 four megawatt power generating unit 00:02:20.20000:02:20.210 including an FB C boiler is 00:02:22.27000:02:22.280 approximately twenty seven point six 00:02:24.37000:02:24.380 crore rupees for megawatt of power pura 00:02:27.19000:02:27.200 implies ninety six thousand kilowatt of 00:02:29.74000:02:29.750 power per day after consumption power 00:02:33.01000:02:33.020 evacuation to grid is 19.3 to gigawatt R 00:02:36.70000:02:36.710 per year annual income from evacuated 00:02:40.09000:02:40.100 power at the rate of two point eight 00:02:41.92000:02:41.930 repeats per kilowatt hour is five point 00:02:44.35000:02:44.360 four crore rupees per year and monetary 00:02:46.99000:02:47.000 saving due to captive power use is four 00:02:50.05000:02:50.060 point six two crore rupees per year thus 00:02:53.05000:02:53.060 the total monetary saving due to 00:02:54.85000:02:54.860 installation of the power plant works 00:02:56.74000:02:56.750 out to around ten crore rupees a year 00:02:58.90000:02:58.910 thus the investment can be recovered 00:03:01.21000:03:01.220 within a period of nearly three years 00:03:11.80000:03:11.810
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Engineering company LOTUS®
Russia, Ekaterinburg, Lunacharskogo street, 240/12