VMF Tecnologia Em Equipamentos Industriais LTDA - Apresentação Em Inglês
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Company Presentation Highlights of Our MarketEngineering and QualitySome of the Most Representative ClientsEquipmentTechnical AssistancePrincipal Tool Machine VMF Shop Sight
VMF-TECNOLOGIA EM EQUIPAMENTOS INDUSTRIAIS LTDA
COMPANY PRESENTATION About UsVMF Tecnologia was founded in 1989, and was born designing with focus in industrial equipment, using our own know how, and over the years we have been equipped with machinery and tools for the best manufacture of all equipment that we produce.
VMF designs and manufactures the following system and equipment:
- Condensation System for steam turbines, Under Vacuum (Condenser, Vacuum Unit and Accessory) (1).
- Multi Step Systems for Vacuum using ejectors and condensers (shell & tube and contact direct).
- Heat Exchangers type shell and tube for All Applications (2).
- Air Cooler and Tube Fin Exchangers.
- Silencer Steam for Blow-Off valve and Relief Valve.
- Ejector for All Applications: Steam and Air Jet Ejector, Water Jet Eductor, Thermosiphon, Thermocompressor, Line and Vessel Heater, Gas Scrubber Ejector.
- Static Mixer, for liquid and gas.
- Separator of Moisture ( Feed Turbine and Dry Steam for some uses).
- Pressure Vessel according to ASME VIII, Div. 1.
(1) Steam turbine condenser according to HEI Standards for Steam Surface Condensers.
Vacuum units , in accordance with HEI-Standards for Steam Jet Vacuum Systems.
(2) Preheater in accordance with HEI - Closed Feed Water Heaters.
Heat exchangers in general according to TEMA or when required specific codes for heat exchangers HEI or API.
(3) Mechanical design of all equipment are according code ASME VIII, Div.1.
HIGHLIGHTS OF OUR MARKET Equipment and ClientsTURBINE MANUFACTURERS
SIEMENS SA, Energy Sector - Oil & Gas Division.
VMF is the only company homologated by Siemens, in Brazil, to supply turbine condenser systems, with our own design. Siemens has awarded twice to the VMF a premium of quality.
TGM INDUSTRIA E COMERCIO DE TURBINAS E TRANSMISSES LTDA.
We were the first to supply of turbine condensation systems to the TGM. VMF is considered by this costumer the most qualifiedand we have provided until now forty three units.
DRESSER RAND DO BRASIL LTDA.
Since 1996 we were the sole supplier of condensation units for Dresser, until which they stopped to manufacture turbines in Brazil in 2006.
PULP AND PAPER MILL
We usually have supplied for pulp and paper mills through EPCs companies specializing in this field, Pyry Technology (PYRY GROUP - Finland) and KSH Consulting and Engineering (KSH Solutions group - Canada).
For this segment we provide equipment to thermoelectric units, process, and utilities, as: heat exchangers, ejectors, static mixers and noise silencers.
SUGAR AND ALCOHOL MILL
VMF is inserted in a region of sugar and alcohol mills, near the cities of Piracicaba and Sertozinho, in the state of So Paulo, the region with the highest production in Brazil.
In this market niche has being provided, heat exchangers, vacuum units for process and auxiliary equipment for turbines.
PETROLEUM REFINERY, PETROCHIMICAL AND CHIMICAL INDUSTRY
During the years of existence of the VMF, since 1989, were supplied all types of equipment VMF production to Petrobrsrefineries. Sometimes through EPCs (Engineering, Procurement and Construction Contracts) or directly through, the Petrobrspurchases system.
Also the Brazilian petrochemical and chemical companies have significant presence in the list of VMF clients, with supplies of our entire product line.
The VMF did the development of absorption desuperheaters type, for milk treatment processes.
We have supplied vacuum units for vegetable oils to do bleaching and deodorizing.
You were supplied too some shell & tube exchangers to heat vegetable oil.
INGINEERING AND QUALITY Work Tools and Technical Documentation
VMF has all tools for thermodynamic, thermal and mechanical calculation including cad programs for drawing designs in 2D and 3 D.We can use also resources of mechanical verification through finite elements.All equipment is designed in accordance with applicable rules and codes. In heat exchanger we follow TEMA or other applicable standards in accordance with required application for example HEI, in cases of power plants and API in case of petroleum refinery requirements.Mechanical design follows ASME VIII div 1 using software internationally consecrated and required by the most important companies in Brazil and foreign countries. VMF quality is ensured by manufacturing with qualified processes for welders and welding, as well as equipment tests, using qualified inspectors by Petrobras System, SEQUI and FBTS.For exported products VMF also follows the regulatory of security of each country about requirements demanded to equipment, for example NR13, applicable in Brazil.In all equipment and systems supplies we provide the "data book", with drawings, data sheets, calculation reports, material certificate, verification reports, test reports and manual of Installation, Operation and Maintenance.All factory operations have registration and control, through software getting ensured all processes required by ISO 9001.
SOME OF THE MOST REPRESENTATIVE CLIENTS Companies List CUSTOMERS BY INDUSTRIAL SECTOR
PULP & PAPER
SUGAR & ALCOHOL
EPCs & INGINEERING
CNEC WORLEY PERSONS
XDT Ing. Uruguai
EQUIPMENT POWER STATION AND TURBINE AUXILIARY EQUIPMENTTurbine Condenser Installation Turbine Condenser Which Operates Under Vacuum.
Condenser with auxiliary equipment usually supplied by VMF:- Duct of transition between turbine and condenser with expansion joint.- Operation vacuum unit performed by ejectors and condensers.- Hogger ejector (to start vacuum) with silencer.- Two condensate extraction pumps (one stand-by of the other). - Safety valve, instrumentation , manual valves and interconnection pipes.One hundred and three systems supplied, in Asia, Africa, South and Central America including Mexico.
Typical Vacuum System to Pump Air and Non CondensableAuxiliary system for turbine condenser under vacuum.Hogger ejector supplied with noise silencer, used during turbine starting.After to achieved required start vacuum, the operation unit is turned on to obtaining on final level vacuum and to this maintenance. This unit is supplied with two ejectors , first and second stages 2 x100% capacity, (one is stand-by of the other) associated normally with condensers of 1 x 100% capacity, or in alternative 2 x 100% (one is stand-by of the other).
Shell & Tube Double Heat Exchanger For cooling lube oil to lubricate turbine and generator bearings. The fact of the equipment to be double exchanger allows for a simple 3-way valve turning to change the cooler in operation, and clean the other without interruption of turbine operation.Supplied one hundred seventy until now, for all Brazilian turbine manufacturers.
EQUIPMENT POWER STATION AND TURBINE AUXILIARY EQUIPMENTGland Condenser
Receives steam from turbine labyrinth seals, to condensate the steam. None condensable are pumped by a fan or an ejector. It avoids the mixing between lube oil and steam of sealing.Have been supplied ninety six units until now to turbine manufacturers.
1-High pressure Preheater and 2- Low pressure Preheater designed according HEI- Closed FeedwaterPreheaters.Preheater are used in a regenerative steam cycle, fed by extraction of turbine at various points, which correspond to each pre-heating stage, which leads to the necessity of various preheaters. The condensate return and make-up water are heated using preheaters that avoid thermal shock in the boiler and reduces the fuel consumption.VMF has provided thermoelectric in Brazil and Central America, twelve apparatus have been supplied in this meantime.
High Capacity Medium Pressure Preheater
A challenge of engineering and manufacture technology, to do a great heat exchanger with return heads floating. The solution was to make seven independent tubular bundles, one of them is the sub cooling region.
Supplied to Klabin Pulp Mill Ortigueira PR - Brazil
EQUIPMENT Tube Fin Condenser and Ejector
Steam Jet Ejectors Used to Perform Vacuum.Ejectors are composed, basically of: - One nozzle De laval type ( inlet convergent and outlet divergent) which transforms potential energy of the motive steam in kinetic energy, what performs the ejection action, to pump the gas and to achieve vacuum.One diffuser which do the inverse function of the steam nozzle, change the kinetic energy in pressure energy, for transportation at differential pressure negative between suction and discharge. This thermodynamic work in the diffuser operates too as a sealing device between suction under vacuum and discharge located in a point of larger pressure.Usually supplied to Petrobrs refineries, petrochemical, pulp & paper , power and sugar & alcohol industrial segments.About three hundred ejectors were supplied since 1989 year of foundation of the VMF.
Two Stage Vacuum System