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Video Tutorial for Emerson's Essential Asset Monitoring Software - Heat Exchanger Module
WEBVTT Kind: captions Language: en
00:00:00.319 hello everyone this is Nikki Bishop and 00:00:03.43900:00:03.449 today I'm going to show you a short 00:00:05.18000:00:05.190 demonstration of the essential asset 00:00:07.28000:00:07.290 monitoring solution for heat exchangers 00:00:09.35000:00:09.360 so let's get started the first screen we 00:00:17.72000:00:17.730 see here is the home page from here you 00:00:20.90000:00:20.910 can see the status of each asset being 00:00:23.45000:00:23.460 monitored right now 00:00:25.55000:00:25.560 all the assets are healthy as indicated 00:00:28.37000:00:28.380 by the green boxes and the health values 00:00:30.98000:00:30.990 that are shown I'm now going to drill in 00:00:33.62000:00:33.630 and get more information on the heat 00:00:35.90000:00:35.910 exchanger what we see here is the heat 00:00:46.67000:00:46.680 exchanger process display you'll notice 00:00:49.34000:00:49.350 the health value is reported at the top 00:00:51.50000:00:51.510 left along with any active alarm text 00:00:54.81900:00:54.829 right now the heat exchanger is healthy 00:00:57.79900:00:57.809 so there's no alarm text shown you can 00:01:01.58000:01:01.590 see the value and status of each input 00:01:04.28000:01:04.290 on this page as well as the value of the 00:01:07.10000:01:07.110 heat exchanger calculations the 00:01:10.13000:01:10.140 calculated values such as heat duty and 00:01:13.03900:01:13.049 heat exchanger coefficient are shown on 00:01:16.10000:01:16.110 the far right-hand side so let's now go 00:01:19.13000:01:19.140 over to the inputs tab on the inputs 00:01:27.38000:01:27.390 page you can see the current value the 00:01:30.62000:01:30.630 average and the baseline value for each 00:01:33.35000:01:33.360 input there's also a trend window 00:01:36.77000:01:36.780 available here I'm going to add the 00:01:39.38000:01:39.390 outlet temperatures the differential 00:01:41.63000:01:41.640 pressures and the fouling factor to the 00:01:44.03000:01:44.040 trend to do that you can simply click on 00:01:47.81000:01:47.820 the value for that input and the inputs 00:01:50.21000:01:50.220 will appear on the trend the baseline 00:01:53.30000:01:53.310 values shown here represent a snapshot 00:01:56.35900:01:56.369 of the data that has been captured when 00:01:58.78900:01:58.799 the heat exchanger is clean this creates 00:02:02.27000:02:02.280 the normal operating condition once the 00:02:05.95900:02:05.969 baseline is captured all alerts are 00:02:08.83900:02:08.849 calculated as a deviation from this 00:02:11.18000:02:11.190 normal or clean 00:02:13.67000:02:13.680 creating condition I am now moving over 00:02:19.30900:02:19.319 to the configuration tab from here you 00:02:22.81900:02:22.829 can configure the alarms this is also 00:02:25.81900:02:25.829 where you will find the exchange or 00:02:27.50000:02:27.510 constants entry page the exchanger 00:02:30.70900:02:30.719 constants such as heat exchanger area 00:02:33.11000:02:33.120 and heat capacities are important so 00:02:36.61900:02:36.629 that the calculations are specific to 00:02:39.08000:02:39.090 this particular heat exchanger let's 00:02:46.78900:02:46.799 make this demo a little more interesting 00:02:48.83000:02:48.840 and look at the case where fouling is 00:02:51.11000:02:51.120 occurring you'll now see that the 00:02:57.47000:02:57.480 fouling factor is increasing the hot 00:03:00.22900:03:00.239 outlet temperature is increasing and the 00:03:03.11000:03:03.120 cold outlet temperature is decreasing 00:03:05.40900:03:05.419 you can see this on the trend the alarm 00:03:08.92900:03:08.939 window and also as indicated by the 00:03:11.53900:03:11.549 animated text color so let's look back 00:03:14.89900:03:14.909 at the process screen now now on this 00:03:22.55000:03:22.560 screen we see the health is 25% and the 00:03:26.65900:03:26.669 high exchanger fouling detected text is 00:03:29.47900:03:29.489 shown also the fouling factor is 00:03:33.17000:03:33.180 flashing red to indicate the value is 00:03:36.02000:03:36.030 high you can also see that the status of 00:03:39.83000:03:39.840 the exchanger cleaning is not required 00:03:42.87900:03:42.889 so let's go back over to the inputs tab 00:03:45.77000:03:45.780 and see how the cleaning required is 00:03:48.17000:03:48.180 activated keep an eye on the 00:03:51.64900:03:51.659 differential pressure for the hot side 00:03:53.39000:03:53.400 that's the black line on the trend you 00:03:57.43900:03:57.449 now see that the differential pressure 00:03:58.84900:03:58.859 on the hot side is high we have the same 00:04:02.71000:04:02.720 25% health and the same fouling alarm 00:04:07.21000:04:07.220 but let's go back to the process page 00:04:10.03900:04:10.049 and look at the exchange or cleaning 00:04:12.17000:04:12.180 status now we see that the exchanger 00:04:17.87000:04:17.880 cleaning is set to required not only do 00:04:21.70900:04:21.719 we have a high fouling factor but we 00:04:24.32000:04:24.330 also have a high differential pressure 00:04:26.84000:04:26.850 the hot side this indicates that it's 00:04:29.75000:04:29.760 time to clean the exchanger well that 00:04:36.26000:04:36.270 concludes the demonstration of the 00:04:38.09000:04:38.100 essential asset monitoring solution for 00:04:40.25000:04:40.260 heat exchangers I hope this has been 00:04:42.35000:04:42.360 helpful to you and that you can see the 00:04:44.60000:04:44.610 benefits of online monitoring of heat 00:04:47.21000:04:47.220 exchangers
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