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Heat Exchanger Retubing - Curran International - 3D Oil & Gas Animation
WEBVTT Kind: captions Language: en
00:00:00.740 refinery and petrochemical industrial 00:00:03.23000:00:03.240 complexes have a wide range of fixed 00:00:05.36000:00:05.370 equipment to process hydrocarbons safe 00:00:07.84900:00:07.859 operation requires constant management 00:00:09.74000:00:09.750 of equipment fitness for service then 00:00:15.58900:00:15.599 fan and shell-and-tube exchangers are 00:00:17.66000:00:17.670 inspected for integrity using a variety 00:00:19.70000:00:19.710 of methods and discovery of corrosion 00:00:21.98000:00:21.990 tube fitting stress cracking localized 00:00:24.85900:00:24.869 erosion as examples may result in 00:00:27.32000:00:27.330 equipment repair or replacement 00:00:28.79000:00:28.800 depending on the severity of the 00:00:30.58900:00:30.599 condition what if there was a reliable 00:00:32.51000:00:32.520 alternative to retube or replacement 00:00:34.78000:00:34.790 perhaps even a way to alloy up at a 00:00:37.28000:00:37.290 fraction of the cost 00:00:38.36000:00:38.370 let Curran use your existing tubes then 00:00:41.20900:00:41.219 install a liner alloy of your choice 00:00:42.95000:00:42.960 without the need to move the exchanger 00:00:45.11000:00:45.120 or fin fan from its place in the unit 00:00:49.56900:00:49.579 the installation of a full-length liner 00:00:52.13000:00:52.140 or a tube and insert to repair and in 00:00:54.74000:00:54.750 service to can restore years of 00:00:56.68900:00:56.699 operating integrity to the exchanger and 00:00:58.79000:00:58.800 is a proven reliable maintenance 00:01:00.92000:01:00.930 practice current international will 00:01:03.59000:01:03.600 consult with the client to review the 00:01:05.35900:01:05.369 existing operating conditions and 00:01:07.07000:01:07.080 confirm dimensions of the existing 00:01:09.32000:01:09.330 exchanger evaluate repair liner alloy 00:01:12.08000:01:12.090 options then expertly install and 00:01:14.78000:01:14.790 hydraulically expand partial and full 00:01:16.64000:01:16.650 length repair life 00:01:20.52000:01:20.530 an important first step is cleaning the 00:01:22.89000:01:22.900 existing tube of scale oxides and foul 00:01:25.92000:01:25.930 it as a result of the operating service 00:01:28.70000:01:28.710 the tube must be clean and clear of 00:01:31.28900:01:31.299 debris so that maximum clearances are 00:01:33.42000:01:33.430 achieved for tube partial insert 00:01:36.12000:01:36.130 installation hand tool cleaning at the 00:01:38.31000:01:38.320 tube end is adequate surface breath 00:01:42.10000:01:42.110 current international offers grit blast 00:01:44.78000:01:44.790 to buy decline which achieves near white 00:01:47.27000:01:47.280 metal cleanliness as a turnkey service 00:01:50.03000:01:50.040 it maximizes intimate contact of the 00:01:52.21900:01:52.229 repair liner to the existing - - mint 00:01:56.33000:01:56.340 inserts are a common repair strategy for 00:01:58.42900:01:58.439 exchangers they can be mechanically 00:02:00.64900:02:00.659 rolled at both ends or hydraulically 00:02:02.51000:02:02.520 expand it and then mechanically rolled 00:02:04.46000:02:04.470 at both ends full length liners however 00:02:08.41900:02:08.429 are a tube end - - bad repair strategy 00:02:11.24000:02:11.250 her fin fan exchangers technicians 00:02:13.69900:02:13.709 working off existing decade install 00:02:15.83000:02:15.840 lines down the already cleaned 00:02:17.36000:02:17.370 full-length tube IDs 00:02:22.04000:02:22.050 the loosely installed tube will be 00:02:24.14000:02:24.150 hydraulically expanded to a calibrated 00:02:26.45000:02:26.460 pressure based off the lighter material 00:02:27.95000:02:27.960 chosen this will close the annulus 00:02:30.41000:02:30.420 between the liner and parent tube with 00:02:33.77000:02:33.780 the hydraulic pump now calibrated 00:02:35.54000:02:35.550 expansion tools are attached at both 00:02:37.55000:02:37.560 ends tube Tech's fill the liner at the 00:02:42.44000:02:42.450 set pressure and ramp up rate to expand 00:02:45.02000:02:45.030 the liner 00:02:48.27000:02:48.280 once the line reaches a designed 00:02:50.16000:02:50.170 expansion dimension the hydrostatic 00:02:52.53000:02:52.540 pressure is immediately released when 00:02:54.51000:02:54.520 the bleeder valve is opened all the 00:02:56.22000:02:56.230 installed liners shall be expanded 00:02:58.35000:02:58.360 full-length liners are cut to the 00:03:00.00000:03:00.010 existing tube ends and finished to a 00:03:02.25000:03:02.260 measured projection for some alloys like 00:03:04.86000:03:04.870 stainless steel it is recommended that 00:03:07.05000:03:07.060 tube ends be roller expanded the process 00:03:09.80900:03:09.819 can be duplicated for shell and tube 00:03:11.55000:03:11.560 exchangers the clearance required is a 00:03:13.89000:03:13.900 liner marginally longer than the length 00:03:15.66000:03:15.670 of the existing two Curran has field 00:03:18.96000:03:18.970 work experience at refinery clients 00:03:21.12000:03:21.130 throughout the globe we can be your 00:03:23.04000:03:23.050 turnkey contractor her grip last tube 00:03:25.53000:03:25.540 cleaning and liner installation
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Engineering company LOTUS®
Russia, Ekaterinburg, Lunacharskogo street, 240/12