98.6% water evaporation 4-effect falling film evaporator system Designed by Fritz Voltz sohn feed rate 3.4m3/hr, product 1.3 m3/hr Feed to 1st evaporator is 3.4 m3/hr @ 34.8% concentration and @ 104 deg C vacuum @ 4th evaporator 130 mbar Evaporator concentrations are: 1st = 42.1% @ 116 deg C 2nd = 55.8% @ 107 deg C, 3rd = 91.3% @ 81 deg C, 4th = 98.6% @ 98 deg C System consists of: (3) 46 square meter 316 stainless steel tube, head and shell falling film evaporator (1st , 2nd, 3rd effects), manufactured by APV, design pressure tubeside 0.69 bar + full vacuum @ 130 degrees C, shell 3.10 bar + full vacuum @ 140 degrees C, working pressure tubeside 0.207 bar @ 120 degrees C, shell 2.07 bar @ 130 degrees C, (44) 50mm diameter x 18 SWG X 7m long 316 stainless steel tubes, 316 stainless steel tube sheets, 560mm diameter 316 stainless steel shell with expansion joint, (1) 316 stainless steel bonnet head, (1) bolt dished bottom head, mounted on a carbon steel skirt (1) 6 square meter 316 stainless steel tube, head and shell falling film evaporator (4th effect), manufactured by APV, design pressure tubeside 2.5 bar + full vacuum @ 150 degrees C, shell 2.5 bar + full vacuum @ 150 degrees C, (14) 44mm diameter x 16G x 3.5m long 316 stainless steel tubes, 323.9mm diameter 316 stainless steel shell with expansion joint, 4295mm overall height, (1) 316 stainless steel flat bonnet head, (1) weld coned bottom, effect attached on top of a 720 liter 316 stainless steel vertical pressure separator/tank, manufactured by APV, design pressure 2.5 bar + full vacuum @ 250 degrees C, 792mm diameter x 1.5m straight side, weld dished top and bottom, mounted on legs (3) approx 600 liter 316 stainless steel vertical separators, manufactured by APV, design pressure 10 psig + full vacuum @ 130 degrees C, 775mm diameter x 1219mm straight side, weld slight coned top, weld coned bottom, (1) 10.6 square meter 316 stainless steel tube and shell horizontal condenser (1st stage), manufactured by APV, design pressure tubeside 2.5 bar + full vacuum @ 150 degrees C, shell 2.5 bar + full vacuum @ 150 degrees C, (34) 25mm diameter x 16G x 4m long 316 stainless steel tubes, (2) 316 stainless steel flat heads, 406mm diameter 316 stainless steel shell, 4.5m overall length, mounted on saddles (1) 11 square meter 316 stainless steel tube and shell horizontal condenser (2nd stage), manufactured by APV, working pressure tubeside 2.07 bar @ 35 degrees C, shell -0.9 bar + full vacuum @ 50 degrees C, (76) ¾” x 18 swg x 4145mm long 316 stainless steel tubes, (2) 316 stainless steel flat heads, 300mm diameter 316 stainless steel shell, overall length 4523mm, mounted on saddles, (3) approx 132 liter 316 stainless steel vertical pressure tanks (flash vessel), manufactured by APV, design pressure 2.5 bar + full vacuum @ 150 degrees C, 400mm diameter x 750mm straight side, bolt dished bonnet head, weld dished bottom, mounted on legs Process operation The first 3 evaporators are falling film and tube (shell & tube) evaporators, where the product flows up and down through a series of tubes which are surrounded by a heating medium, steam @ 1.8 bar is used as the heating medium The hot liquid from each evaporator is fed to its associated “separator” in which the vapour separates from the liquid and is drawn off, The 4th evaporator uses a “once-through” falling film concentrator, the unit is similar to that of a shell & tube heat exchanger except that the product falls down the unit through a number of pipes which are surrounded by a heating medium, steam @ 1.8 bar is used as the heating medium, Vacuum @ 130mbar is applied to the 4th evaporator, which draws the vapour through the first 4 evaporators. After the 4th evaporator the product is fed through a heat exchanger, where it cools the product to between 50 deg C and 70 deg C, water is used as a cooling medium, from there the product goes to storage tanks (not available)
Type: Evaporator
Subtype: Rising/Falling Film
Condition: Used
Material: Stainless Steel 316
Total Heat Transfer Surface Area: 17.3 m² (186.2 ft²)
Orientation: Vertical
SMS vertical single effect falling film evaporator, c/steel heads pressure shell side 5.5/8 bar @ 160/170 degrees C (190 liter) tube side vacuum @ 45/145 degrees C (160 liter), Shell dimensions: 368mm diameter x 8mm
Pressure: 8 bar (116 psi). Temperature: 170 °C (338 °F). Vacuum: Yes.
Type: Evaporator
Subtype: Rising/Falling Film
Manufacturer: APV Mitchell
Condition: Used
Material: Stainless Steel 316
Evaporation Rate: 7,620 kg/h (16,800 lb/h)
Total Heat Transfer Surface Area: 24.9 m² (268 ft²)
4-effect (Kestner) falling film evaporator system product flow rate 5600 lbs/hr @ 48 degrees C, feed flow rate 22400 lbs/hr @ 90 degrees C, System consists of: (1) 24 square meter (268 square feet) 316 stainless steel tube, head and shell vertical falling film evaporator (1st effect), manufactured by APV Mitchell ltd, serial #9/388630/73, working pressure tube side 15 psig + full vacuum @ 100 degrees C, shell 9.5 psig + full vacuum @ 170 degrees C, (38) 1½” diameter x 16 swg x 20’ long 316 stainless steel tubes, 316 stainless steel tube sheets, 14” diameter 316 stainless steel shell, (2) 316 stainless steel dished heads, top head with distributor plate, mounted on lugs, (1) 57 square meter (616 square feet) 316 stainless steel tube, head and shell vertical falling film evaporator (2nd effect), manufactured by APV Mitchell ltd, serial #9/388640/73, working pressure tube side 9 psig + full vacuum @ 87 degrees C, shell 15 psig + full vacuum @ 100 degrees C, (88) 1½” diameter x 16 swg x 20’ long 316 stainless steel tubes, 316 stainless steel tube sheets, 21” diameter 316 stainless steel shell, (2) 316 stainless steel dished heads, top head with distributor plate, mounted on lugs, (1) 71 square meter (770 square feet) 316 stainless steel tube, head and shell vertical falling film evaporator (3rd effect), manufactured by APV Mitchell ltd, serial #9/388650/73, working pressure tube side full vacuum @ 71 degrees C, shell full vacuum @ 87 degrees C, (109) 1½” diameter x 16 swg x 20’ long 316 stainless steel tubes, 316 stainless steel tube sheets, 23” diameter 316 stainless steel shell, (2) 316 stainless steel dished heads, top head with distributor plate, mounted on lugs, (1) 99 square meter (1070 square feet) 316 stainless steel tube, head and shell vertical falling film evaporator (4th effect), manufactured by APV Mitchell ltd, serial #9/388660/73, working pressure tube side full vacuum @ 50 degrees C, shell full vacuum @ 70 degrees C, (151) 1½” diameter x 20’ long 316 stainless steel tubes, 316 stainless steel tube sheets, 27” diameter 316 stainless steel shell, (2) 316 stainless steel dished heads, top head with distributor plate, mounted on lugs, (1) 30 square meter (330 square feet) 316 stainless steel tube, head and shell vertical condenser (pre-heater), manufactured by Stainless Steel Plant Ltd, serial #4414, design pressure tubeside 110 psi @ 187 degrees C, shell 33 psi @ 130 degrees C, (63) 1” diameter x 20’ long 316 stainless steel tubes, 316 stainless steel tube sheets, 16” diameter 316 stainless steel shell, (2) 316 stainless steel flat heads, mounted on lugs (1) 99 square meter (1072 square feet) 316 stainless steel tube, head and shell horizontal condenser (vacuum condenser), manufactured by Stainless Steel Plant Ltd, serial #4415, design pressure tubeside 100 psi @ 50 degrees C, shell full vacuum @ 50 degrees C, (256) 1” diameter x 16’ long 316 stainless steel tubes, 2-pass tubeside, 316 stainless steel tube sheets, 25” diameter 316 stainless steel shell, (2) 316 stainless steel dished heads, mounted on saddles (1) approx 670 liter 316 stainless steel separator (1st effect), manufactured by APV, serial #388530, design pressure 17 psig + full vacuum @ 126 degrees C, 2’ 6” diameter x 4’ 6” straight side, bolt dished top, weld coned bottom, mounted on lugs, (1) approx 880 liter 316 stainless steel separator (2nd effect), manufactured by APV, serial #388540, design pressure full vacuum @ 100 degrees C, 2’ 9” diameter x 4’ 11” straight side, bolt dished top, weld coned bottom, mounted on lugs, (1) approx 1500 liter 316 stainless steel separator (3rd effect), manufactured by APV, serial #388550, design pressure 4.4 psi + full vacuum @ 80 degrees C, 3’ 3” diameter x 5’ 10” straight side, bolt dished top, weld coned bottom, mounted on lugs, (1) approx 4000 liter 316 stainless steel separator (4th effect), manufactured by APV, serial #388560, design pressure full vacuum @ 60 degrees C, 4’ 6” diameter x 8’ 3” straight side, bolt dished top, weld coned bottom, mounted on lugs,
Pressure: 1.03 bar (15 psi). Temperature: 90 °C (194 °F). Vacuum: Yes.
Type: Evaporator
Subtype: Rising/Falling Film
Manufacturer: Buflovak/Blaw Knox
Condition: Used
Material: Stainless Steel 316
Evaporation Rate: 7,257 kg/h (16,000 lb/h)
Total Heat Transfer Surface Area: 83.6 m² (900 ft²)
tubular evaporation system manufactured by Buflovak-Blaw-Knox. Includes 5 main pieces and support equipment such as pumps and small plate heat exchanger. Main pieces are as follows:(D) 1st effect steam chest (heat exchanger), 900 Sq Ft. NB #8255/ 9393, SN # 17669/18701, (1997) rated for 50 psi at 300 degrees on the shell, Model 1256642. 36" diameter x 10' OAL mounted vertical. (C) 1st effect vapor separator, RRFC, 42" diameter x 9' OAL with top side man way and "York" style 931 316 SS demisting mesh packing for vapor carry over.(needs to be replaced). (E) 2nd effect heater, 4' diameter x 13' OAL, with (B) 38" diameter x 8' OAL separator with cone bottom. NB # 3136, serial # 11514, Rated for MAWP Vacuum at 179 degrees F. ( HSB # 2544B) Plant # S-11181-2. With 18" man way and sight glass. With 12" interconnecting pipe, and elbow pump. Overhead condenser (A) approx. 2000 Sq. ft., 316 SS , 2/4 pass on tube side(cooling) with 12" water inlet/outlet. Discharge of overheads to distillate.
30" diameter x 10' 3" OAL, saddle mounted, with two 40 Lb. steam jets to supply vacuum.
Pressure: 3.4 bar (50 psi). Temperature: 148.9 °C (300 °F).
Type: Evaporator
Subtype: Rising/Falling Film
Manufacturer: Kleiser Gmbh
Condition: Used
Material: Stainless Steel 316
Evaporation Rate: 9,400 kg/h (20,723 lb/h)
Orientation: Vertical
single effect falling film evaporator pressure internal -1/6 bar @ 200 degrees C (1291 liter), jacket -1/6 bar @ 200 degrees C (1020 liter) 9.4 m3/hour evaporation rate single pass tubeside, 316Ti (1.4571) stainless steel tubesheets, 700mm diameter 316Ti stainless steel (1.4571) shell with expansion joint, 7250mm overall length, (1) 316Ti stainless steel (1.4571) dished head, (1) 316Ti stainless steel (1.4571) bonnet head evaporator with (1) 316Ti stainless steel (1.4571) expansion boiler, 1227 liter, 800mm diameter x 2250mm, pressure and vacuum resistant, manual valves and control valves
Pressure: 6 bar (87 psi). Temperature: 200 °C (392 °F). Vacuum: Yes.