00:00:00.149 today we will discuss about coal 00:00:02.11900:00:02.129 generation process also called in short 00:00:05.39000:00:05.400 from CHP what is cogeneration 00:00:08.68000:00:08.690 cogeneration refers to the system of 00:00:11.20900:00:11.219 producing both power and process heat 00:00:13.66000:00:13.670 the system is so designed that it meets 00:00:16.76000:00:16.770 the requirements both for thermal energy 00:00:19.09900:00:19.109 and mechanical energy from a single 00:00:21.50000:00:21.510 primary energy source firstly we will 00:00:24.05000:00:24.060 discuss about the parts of the whole 00:00:25.70000:00:25.710 generation we have steam and water drum 00:00:28.75000:00:28.760 in which team will be prepared for the 00:00:31.40000:00:31.410 further working and a back pressure 00:00:34.10000:00:34.110 turbine in the back pressure steam 00:00:37.06900:00:37.079 turbine the steam leaves the turbine at 00:00:39.83000:00:39.840 a pressure which is appropriate to 00:00:41.84000:00:41.850 process steam requirement 30d super 00:00:46.45900:00:46.469 heater what is the super heater the 00:00:49.34000:00:49.350 super heater used extracted heat from 00:00:51.97900:00:51.989 the turbine and use this heat for the 00:00:54.70900:00:54.719 further purpose this is a process were 00:00:59.63000:00:59.640 unit in which reheat is used for 00:01:04.28000:01:04.290 processing the work in this unit we can 00:01:07.52000:01:07.530 heating we can take cooling we can take 00:01:10.85000:01:10.860 anything from the extraction of heat 00:01:13.45000:01:13.460 which is coming from the super heater 00:01:18.94000:01:18.950 the super heater has a pipe for water 00:01:22.42900:01:22.439 which will supply water and the 00:01:25.46000:01:25.470 extracted heat will be mixed with the 00:01:27.56000:01:27.570 water and converted into saturated steam 00:01:31.30000:01:31.310 this is the pump for pumping the 00:01:34.39000:01:34.400 condensate to the steam and water drum 00:01:37.24900:01:37.259 and all the connecting pipes now we see 00:01:40.64000:01:40.650 the working of the whole generation with 00:01:43.13000:01:43.140 the help of back pressure turbine what 00:01:46.39900:01:46.409 will happen steam will come from the 00:01:49.99900:01:50.009 steam and water drum and reach on the 00:01:53.48000:01:53.490 turbine back pressure turbine and it 00:01:56.56900:01:56.579 will work on the turbine turbine will 00:01:59.78000:01:59.790 start rotating and extracted steam after 00:02:04.99900:02:05.009 doing work in the turbine reach on the D 00:02:08.83900:02:08.849 super heater where this will mix with 00:02:13.04000:02:13.050 the 00:02:13.40000:02:13.410 butter and convert in the saturated 00:02:17.54000:02:17.550 steam and this saturated steam will 00:02:20.99000:02:21.000 reach the process work unit here this 00:02:24.20000:02:24.210 saturated steam can be used for drying 00:02:26.36000:02:26.370 for heating for pulling purpose anything 00:02:29.45000:02:29.460 we can use there of saturated steam then 00:02:34.46000:02:34.470 after working after take whole work from 00:02:37.70000:02:37.710 the saturated steam this condensate will 00:02:42.32000:02:42.330 go to the pump and pump will pump this 00:02:45.50000:02:45.510 condensate to the steam and water drop 00:02:47.77000:02:47.780 this is the back pressure turbine unit 00:02:50.60000:02:50.610 cogeneration will also in extraction 00:02:55.10000:02:55.110 steam turbine there will be extraction 00:02:58.01000:02:58.020 steam turbine instead of back pressure 00:03:00.41000:03:00.420 turbine what is extraction steam turbine 00:03:03.47000:03:03.480 we can extract directly from praveen 00:03:07.46000:03:07.470 casing and this steam will go to the 00:03:11.18000:03:11.190 process work and some steam which will 00:03:14.96000:03:14.970 work on the turbine will go in the 00:03:18.11000:03:18.120 condenser so there are two separate unit 00:03:21.47000:03:21.480 first a direct extraction steam will go 00:03:24.74000:03:24.750 to the process work and the steam which 00:03:27.59000:03:27.600 will do work directly go to the 00:03:29.75000:03:29.760 condenser now we see the working of 00:03:32.77000:03:32.780 extraction steam turbine cogeneration 00:03:34.91000:03:34.920 process steam will come from the steam 00:03:38.96000:03:38.970 and water drum and turbine will start 00:03:41.75000:03:41.760 working some steam after working will go 00:03:45.77000:03:45.780 to the condenser and some steam will go 00:03:49.69900:03:49.709 to the process where this team have high 00:03:54.62000:03:54.630 efficiency or high heating steam will go 00:03:57.92000:03:57.930 to the process work unit there we can 00:04:00.29000:04:00.300 use this heat for heating cooling or 00:04:02.39000:04:02.400 anything we want then this heat this 00:04:08.87000:04:08.880 condensate will go to the pump and also 00:04:12.19900:04:12.209 from the condenser condensate will go to 00:04:15.22900:04:15.239 the pump and pump will pump this 00:04:18.05000:04:18.06000:04:20.00000:04:20.010 so this is the extraction steam turbine 00:04:22.90900:04:22.919 cogeneration process so this is the 00:04:26.12000:04:26.130 cogeneration 00:04:27.23000:04:27.240 process from which we can take both 00:04:29.54000:04:29.550 mechanical and thermal energy we can use 00:04:33.29000:04:33.300 all of our heat with efficient manner 00:04:37.04000:04:37.050 thank you for seeing this video for more 00:04:39.55900:04:39.569 updated videos you can subscribe me on 00:04:41.74900:04:41.759 my channel learn and grow thank you
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