Acetic acid condenser – steam generator |
 | End user: Oil refinery
Location: Poland
Design code: EN 13445, 2014/68/EU | Weight: 23,060 kg
Pressure: 19 bar
Temperature: 175 °C
Medium flammable |
Materials: Titanium (Gr. 1 – UNS R50250 – 3.7025 / Gr. 2 – UNS R50400 – 3.7035), austenitic stainless steels, carbon steels
Process: Condensing reaction gas (acetic acid) and utilising the steam produced in this process by transporting it to the turbine
Additional description:
– Tubesheets, heads, and conical and cylindrical chambers were explosively cladded (titanium with carbon steel). Polimer developed its own butt welding technology for connecting titanium-cladded carbon steel plates to ensure hermeticity.
– 2330 titanium tubes of 7000 mm length were applied, and eddy current tested after production and assembly.
– A helium leak test was performed, and the maximum leakage recorded was 10-7 Pa*m3/s.
– Lens expansion joint. |
Process gas cooler |
 | End user: Zakłady Azotowe „Kędzierzyn”
Location: Kędzierzyn, Poland
Design code: EN 13445, 2014/68/EU | Weight: 67 950 kg
Pressure: 93 bar
Temperature: 460 °C
Medium toxic, flammable |
Materials: chromium molybdenum boiler steel for elevated temperatures (13CrMo4-5 – UNS K11564 – EN 1.7335, SA182 F11 CL2 – UNS K11572), SA266 Gr.3
Process: cooling of process gas with the generation of process steam
Additional description:
– Shell ø1708×74, total length ~15620 mm;
– Safety fittings to prevent pressure rise above the permissible pressure;
– Disassembly of the existing equipment and assembling of new equipment, including piping;
– Management of foundation repair. Connecting the apparatus to the grounding and lightning protection system with measurement protocols. |
Neutralisation vapour condenser |
 | End user: Zakłady Azotowe “Puławy”
Location: Puławy
Design code: EN 13445, 2014/68/EU
| Weight: 19,100 kg
Pressure: 2/-1 bar
Temperature: 160 °C
Medium toxic, flammable, explosive |
Materials: Austenitic-ferritic stainless steels (Duplex – UNS S31803 – 1.4462 – X2CrNiMoN22-5-3), austenitic stainless steels, carbon steels |
Secondary Waste Heat Boiler |
 | End user: Nitrogénművek
Location: Pétfürdő, Hungary
Design code: ASME BPVC Sec VIII Div 1, TEMA R
| Weight: 43,350 kg
Pressure: 120 bar
Temperature: 450 °C |
Materials: Chromium-molybdenum steels (SA–387 Gr. 11/12, Cl. 2 – UNS K11789/K11757 / SA–182 Gr. F11, Cl. 2 – UNS K11572 / SA–213 Gr. T11 – UNS K11597 – EN 1.7335 – 13CrMo4-5), carbon steels
Additional description: We modernised the equipment by designing an insulation system for the hot tubesheet to reduce its operating temperature. |
Steam boiler unit: Reactor sulphur condenser |
 | End user: Oil refinery
Location: Poland
Plant: Claus
Quantity: 3
Design code: WUDT (Conditions of the Office of Technical Inspection)
| Weight: 3 szt. x 80,100 kg
Pressure: 22 bar
Temperature: 350 °C
Medium toxic, flammable, explosive |
Materials: Carbon steels, austenitic stainless steels, chromium-molybdenum steels (SA-182 Gr. F12 – UNS K11564 – EN 1.7335 – 13CrMo4-5)
Additional description: We designed a thermal expansion compensation system to prevent damage to the brickwork lining on the hot tubesheet; heat-resistant brickwork lining on the tubesheet. |
Boiler for potassium washing |
 | End user: Zakłady Azotowe “Puławy”
Location: Puławy
Plant: Gas preparation plant at the Ammonia Division
Design code: EN 13445, 2014/68/EU, TEMA R
| Weight: 17,900 kg
Pressure: 30 bar
Temperature: 150 °C
Medium toxic, flammable, explosive |
Materials: Austenitic stainless steels, carbon steels
Process: Heating caustic potash with process gas to concentrate the solution and obtain steam. |
Boiler Feed Water Preheater |
 | Client: Hyundai Heavy Industries Power Systems
Plant: Olefins
Design code: EN 13445, 2014/68/EU
| Weight: 15,600 kg
Pressure: 173 bar
Temperature: 280 °C |
Materials: Low-vanadium steels Cr-Mo-(Ni) (1.6308 – 18MnMoNi5-5), 16Mo3 – 1.5415
Additional description: post weld heat treatment (PWHT) of weldments. |
Heat exchanger SV12 B010 |
 | End user: Mariehamns Energi AB
Location: Mariehamn, Aland Islands, Finland
Design code: EN 13445, 2014/68/EU
| Weight: 1,900 kg
Pressure: 16 bar
Temperature: 100 °C |
Materials: Austenitic stainless steels, carbon steels
Additional description: Thermal expansion compensation (fixed tubesheets) using a lens expansion joint. |
Reactor feed heater |
 | End user: Rafineria
Location: Polska
Plant: Pyrolysis petrol hydrogenation plant PGH
Design code: ASME BPVC Sec. VIII Div. 1, API 660, TEMA, 2014/68/EU | Weight: 27,104 kg
Pressure: 69.2 bar
Temperature: 400 °C
Medium toxic, flammable, explosive |
Materials: Chromium-molybdenum steels (SA–387 Gr. 12, Cl. 2 – UNS K11757 / SA–182 Gr. F12, Cl. 2 – UNS K11564 – EN 1.7335 – 13CrMo4-5), stainless steels
Additional description: Shell wall thickness: 40 mm. |
Cyclohexanone vapour condenser |
 | End user: Zakłady Azotowe “Puławy”
Location: Puławy
Quantity: 2 pcs
Design code: EN 13445, 2014/68/EU | Weight: 2 pcs x 17,200 kg
Pressure: 1/-1 bar
Temperature: 100 °C
Medium toxic, flammable, explosive |
Materials: Carbon steels
Additional description: Design, manufacturing and installation. |
Extractive distillation column condenser |
 | End user: Oil refinery
Location: Poland
Plant: Extractive distillation plant
Design code: ASME BPVC Sec. VIII Div. 1, TEMA R | Weight: 24,200 kg
Pressure: 7/-1 bar
Temperature: 65 °C
Medium toxic, flammable, explosive |
Materials: Carbon steels
Additional description: The tube side (tubes, tubesheets, chamber, head) was protected against corrosion with a phenolic epoxy-based coating (Säkaphen coating). |
Syngas water cooler
|
 | End user: Zakłady Azotowe “Puławy”
Location: Puławy
Plant: Ammonia Division, Synthesis Section
Amount: 5 pcs
Design code: EN 13445, 2014/68/EU, TEMA R | Weight: 5 pcs. x 7,615 kg
Pressure: 360 bar
Temperature: 100 °C
Medium toxic, flammable, explosive |
Materials: Austenitic-ferritic stainless steels (Duplex – UNS S31803 – 1.4462 – X2CrNiMoN22-5-3), stainless steels, carbon steels
Additional description: Hair-pin and gland joint, to facilitate installation we replaced regular bolts with superbolts, which allowed us to reduce bolt assembly tension from 6800 Nm to 380 Nm |
Process gas cooler
|
 | End user: Rafineria
Location: Polska
Design code: ASME BPVC Sec. VIII Div. 1. EN 13445 | Weight: 1,950 kg
Pressure: 17 bar
Temperature: 145 °C
Medium toxic, flammable, explosive |
Materials: Titanium (gr. 2 / F2 – UNS R50400 – 3.7035 / Gr. 1 – UNS R50250 – 3.7025 – Ti), austenitic stainless steels, carbon steels
Additional description: Titanium-cladded tubesheets by explosive cladding method, lens expansion joint. |
Vapour condenser
|
 | End user: Zakłady Azotowe “Puławy”
Location: Puławy
Design code: EN 13445, 2014/68/EU
| Weight: 5,350 kg
Pressure: 2/-1 bar
Temperature: 200 °C
Medium: toxic, flammable, explosive |
Materials: Austenitic-ferritic stainless steels (Duplex – UNS S31803 – 1.4462 – X2CrNiMoN22-5-3), austenitic stainless steels, carbon steels |
Natural gas preheater using hydrogen gas
|
 | End user: Rafineria
Location: Polska
Plant: Hydrogen Plant
Design code: ASME BPVC Sec. VIII Div. 1. | Weigh: 260 kg
Pressure: 25 bar
Temperature: 625 °C
Medium: toxic, flammable, explosive |
Materials: Nickel-chromium-molybdenum alloys (Alloy 601 – UNS N06601 – 2.4851 – NiCr23Fe), austenitic stainless steels
Additional description: We increased the heat resistance of the tube side by diffusion coating with aluminium of tubesheet surface and the inner surface of the process tubes and chamber. |
Ammonia evaporator
|
 | End user: Zakłady Azotowe “Puławy”
Location: Puławy
Plant: Nitrogen gas neutralisation plant
Design code: EN 13445, 2014/68/EU, TEMA R | Weight: 21,110 kg
Pressure: 25/-1 bar
Temperature: 60 °C
Medium: toxic |
Materials: Austenitic stainless steels, carbon steels
Process: Evaporation of liquid ammonia by heating water. |
Steam boiler condenser
|
 | End user: Rafineria
Location: Polska
Plant: Claus
Design code: WUDT (Conditions of the Office of Technical Inspection), 2014/ 68/EU | Weight: 80,100 kg
Pressure: 22 bar
Temperature: 350 °C
Medium: toxic, flammable, explosive |
Materials: Carbon steels, austenitic stainless steels, chromium-molybdenum steels (EN 1.7335 – 13CrMo4-5)
Additional description: Lens expansion joint, pickling. |