vahterus solutions for refrigeration industry 2018 · 2020. 10. 27. · • asme viii, div. 1 •...
TRANSCRIPT
VAHTERUS SOLUTIONSFOR REFRIGERATION
INDUSTRY 2018
Co-Operation partnes
• Dicostock S.L., Spain• Datcor S.r.l, Italy• Wijbenga B.V, The Netherlands• Zudek S.r.l, Italy• CIMCO Refrigeration, Canada• Francks Kylindustri AB, Sweden• GEA Grasso, Worldwide• Haffmans BV, The Netherlands• M&M Refrigeration, Inc, The USA• RV Cooling Tech, Spain• THI Refrigeration LTD, Korea• Kota d.o.o, Slovenia• Mayekawa, Worldwide• Therma Industry AS, Norway• SKT NV, Belgium
• Johnson Controls / Frick, Worldwide• TH. Witt, Germany• UAB Green Group, Lithuania• Engie (Axima Refrigeration SA /
Cofely), Europe• Star Refrigeration, The UK• Zanotti (TEWIS), Spain• Svedan Industri Koleanlaeg A/S,
Denmark• Innovative Refrigeration, The USA• United States Cold Storage, The
USA• Vilter Manufacturing LLC, The USA• Walter Wettstein AG, Switzerland• Zimmermann GmbH, Germany
- Large size & weight- High fouling
- Low pressure- Low temperature- Gasket
+ High pressure+ High temperatures+ No gaskets+ Compact+ Low fouling+ Close approach temps
Plate and Frame HE Shell &Tube HE
PSHE
Inventor of plate & shell heat exchanger
• Established in 1990
• Privatly owned company
• 230 Employees
• Turnover 32 M€
• 3 000 units/a, Σ 42 000 units
• Over 95% products exported from
Finland
• Subsidiary companies in the UK,
Germany, the USA and China
Vahterus
Vahterus in figures
Turnover (1000€)
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2000 2002 2004 2006 2008 2010 2012 2014
Deliveries by units
Deliveries by units
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1992
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Export
Domestic
61 %19 %
20 %Deliveries by industry
Refrigeration
Energy
Chemical andprocess
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1992 1994 1996 1998 2000 2002 2004 2006 2008 2010 2012 2014
Employees
• Management System• ISO 9001:2008 Quality• ISO 3834-2:2005 Welding• OHSAS 18001:2007 Health
and Safety• ISO 14001:2004 Environment• PED Module B + D, D1• ASME U-stamp and R-stamp• AD-2000-Merkblatt HP0• China Manufacturing License• KGS Sertificate (South Korea)
• Design• PED 97 / 23 / EC – CE-mark• ASME VIII, div. 1• AD-2000 Merkblatt• PD5500• Lloyd’s Register• ABS Europe Ltd.• Germanischer Lloyd• Bureau Veritas• RINA• Inspecta• GOST-R ja RTN• Other by request• Welding Procedures
• EN ISO 15614-1• PED 97/23/EC demands• ASME IX
Quality
ORGANISATIONCERTIFIED BY
ISO 9001ISO 3834-2ISO 14001
OHSAS 18001
• To all units:
– Leak test for plate pack with mixture of 10%
helium and air
– Hydraulic pressure test with water to shell
and plate sides
• Upon request / selected applications:
– Helium vacuum test for plate pack
– 100% / 50% / 25% NDT test
Testing
Bursting pressure / Plate thickness with AISI 316L
Mechanical testing
• Renewed VES and combined
• Up to 1.5 mm plate thickness
• More hands to production and engineering
department
• Laser cutting
• New sales organization
• Continous R&D
• Manuals and Handbooks
What’s happening in Vahterus
Vahterus solutions for customersneeds
Temperature range -80 / 150 C
Pressure range -1 / 80 bar
Capacity 50 – 2 000 kW
• Compact size
• Small refrigerant charge
• No external piping
• Easy to insulate and paint
Combined
Suction line
NH3 in
Brine out
Brine in
Oil Recovery
Sightglasses
Liquid level
Liquid level
Combined Construction1 Suction Connection
2 Safety valve connection
3 Standpipe
4 Maximum level alarm (optional)
5 Filling material (optional)
6 Plate
7 Distance
8 Standpipe
9 Oil collecting pipe
10 Shell
11 Separation system
12 Refrigerant inlet
13 Maximum level (alarm)
14 Control level (operation
15 Minimum level
16 Inlet
17 Outlet
18 Oil drain (NH3)
Temperature range -80 / 150 C
Pressure range -1 / 80 bar
Capacity 50 – 2 000 kW
• No external separator
– Influence to total height
• Easy to customize
• Small refrigerant charge
• Helium vacuum test
• Temperature difference 3 - 5 K
Ammonia / Carbon Dioxide combined
Ammoniasuction line
Ammonia inCO2 gas
CO2 condensate
Oil Recovery
Sightglasses
Liquid level
Liquid level
Temperature range -80 / 150 C
Pressure range -1 / 80 bar
Capacity 50 – 2 000 kW
• One or two size bigger shell
• Applications where storage volume is
needed
Combined with oversized shellAmmoniasuction line
Ammonia in
Brine outlet
Brine inlet
Oil Recovery
Liquid level
Liquid level
Oil Recovery
Temperature range -80 / 150 C
Pressure range -1 / 80 bar
Capacity 50 – 5 000 kW
• Small space requirement
• Ready to install
• Easy to customize
• Economical
Vahterus systems
Suction line
NH3 in
Brine out
Brine in
Oil Recovery
Oil Recovery
CO2 liquid out
CO2 gas in
Shared separator for flooded evaporator and cascade
Condenser with longer feet’s
• No extra standing support needed
• Space example for piping and high float valve
• Correct size outlet nozzle for high floating valve
• Easy to execute during desing phase
Liquid NH3outlet
Gas NH3 inlet
Brine outlet
Brine inlet
Condenser with integrated receiver
• Eccentric plate pack
• Bigger shell diamater
• Extra connections possible if needed
Approx. 30 litres receiver
Liquid/GasNH3 outlet
Gas NH3 inlet
Brine inlet
Brine outlet
Condenser with integrated receiver
• Eccentric plate pack
• Overzized outlet connection
• Extra connections possible if needed
Brine inlet
Brine outlet
Liquid NH3 outlet
Gas NH3 inlet
Non-condensables out
Collection pot
Support pads
• CO2 in shell
– Inlet and outlet from same nozzle
• Evaporator (DX) in the plate side
CO2 tank vent condensers
Dry refrigerantgas outlet
Refrigerant liquid inlet
Vent nozzle
CO2gas/liquid
• All heat exchangers for heat pumps
• De-superheaters
• Condensers
• Cascades
• Subcoolers
• Oil coolers
• Customized constructions
• For max performance
PSHE’s for Heat Pump Solutions
Discharge line
NH3 in
Brine out
Brine in
• Condenser in top
• Subcooler in ”outlet nozzle”
• Nozzles for liquid level control
Integrated subcooler
Liquid level nozzle
Liquid level nozzle
NH3gas
NH3 subcooled liquid
• Desuperheater
• Condenser
• Subcooler
• Nozzless for liquid level control
One package for HP side
Liquid level nozzle
Liquid level nozzle
NH3 gas
NH3 subcooled liquid
• Example
– Condenser + Oil cooler
– Economizer + Oil cooler
• Own or shared circuits
Two units in the same shell
• No gasket nor brazing• High integrity / total containment• Strong and safe construction• Unique protection and resistance to thermal
and pressure cycling• Thermally efficient• Compact and Low weight• Proven, reliable technology• Low fouling• Minimal maintenance requirement• Close approach temperatures
Benefits of Vahterus PSHE