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Oblong Plate & Shell thermal exchanger is a product supplementing strong points of plate thermal exchanger and weak points of multi-tube type thermal exchanger. The electric heat plate is corrugated in oblong type. Comparing with the round shaped oblong plate & sheel. It is a next generation high efficiency compact thermal exchanger of full wedged type available in high temperature and pressure, having extended oblong plate of middle section of the round part for epoch-making improvement of thermal exchange efficiency by increase of heat transferred length and area of the plate.
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Plate type
Plate thermal exchanger is composed of multiple corrugated multiple electric heating panels hanging between the upper carrying bar and the underneath guide bar.
The electric heating panels make a hole enabling two fluids to be passed through, and the shape of the valley formed by the panels changes the flow of fluids into a turbulent flow and acts as a support to the plates against the input indifference between two fluids.
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Alfa Laval provides a comprehensive range of plate heat exchangers of the traditional type, featuring gaskets between the plates.
The conventional type of Alfa Laval plate heat exchangers uses heat transfer plates fitted with gaskets that seal off each channel from the next, and direct the fluids into alternate channels.
This type of plate heat exchanger is used throughout industry as standard equipment for efficient heating, cooling, heat recovery, condensation and evaporation. Generally speaking, all of these Alfa Laval units are notable for:
High thermal efficiency for effective heat transfer
Compact design resulting in small quantities of materials used for heat transfer surfaces
Low installation cost
Easy dismantling and easy, rapid cleaning
High performance with low hold-up volume
Versatile, modular design
Environmentally efficient
The range is continually being updated and extended to include new technical features and design innovations. The T series, for example, is built with a new frame design that paves the way to more plates per frame as well as opportunities for the use of modularised components. This ensures even easier and more rational assembly and service.
There is also a range of special wide-gap gasketed plate heat exchangers designed to cope with fluids that contain fibres and coarse particles. Units with wide-gap channels are also eminently suitable for use with highly viscous fluids.
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Feature
-Applicable material.
Titanium, SUS304&316, Hastelloy
We produce plate type heat exchanger licensed with Sondex from aug. 1994. Sondex in Denmark sales their own product to over the world and it used for ship, industry, and food industry.
Specially, Sondex developed free flow type and semi-welded type of heat exchangers applied for particular procedure.
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The GEA Bloksma plate fin oil (PF) cooler is a well proven, compact (25% of conventional), slim lined heat exchanger for cooling oil by means of sea- or fresh water and is suited for a wide range of marine and industrial applications. Unlike conventional shell & tube types it contains a bundle with a high density plate fin surface around the tubes. The cooler is available in 4 standard shell diameters ranging from 100 ñ 280 mm, covering 1 to 170 m2 plate fin surface. Connections in most cases can be DIN or SAE compatible or BSP threaded. The length of the cooler is variable. Standard components and modules enable to provide a large number of solutions, meeting customer requirements at a short delivery time.
Two standard versions are available:
IV Industrial Version: For non-aggressive or controlled cooling water
MV Marine Version: For aggressive or surface water
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The Free Flow plate heat exchangers by GEA Ecoflex are particularly suited for products containing solids and pulp as well as for highly viscous products. They are distinguished by their
wide gap cross-section from 5.0 mm up to 12.0 mm
combination of wide and narrow flow channels within a single unit, depending on the application
flow channels without metal support point
profiling structure (waves) that is insensitive to soiling
These properties are why they are used mainly in the sugar and paper industries and in the food and fruit juice industries. They are also often used in the renewable energy sector.
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The Varitherm by GEA Ecoflex has been proving its value on the market for more than 30 years. The constant optimisations ensure that the quality of this product family remains at the highest standard. The Varitherm has established itself firmly in the heat exchanger market.
A wide range of different plate types offer the optimum solution regarding economy for almost any application. Low investment and maintenance costs ensure high profitability of the product.
Firstly there is an extensive range of materials, that can almost all be processed thanks to modern production facilities and well thought-out tool design. Secondly we have a wide choice of gasket materials, the gaskets being available in non-adhesive (LocIn system) or adhesive versions.
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With its NT range GEA Ecoflex has successfully implemented the results of its innovative research onto the market. This new generation of plates sets economic standards, and is distinguished by low cost levels for investment, operation and maintenance, which in turn increases the economic production of your company.
The optimised plate design requires less heat transfer surface area for the same capacity and brings about a lasting reduction of investment costs. New installation and gasket technologies make maintenace easier and ensure a perfect fit of the gasket and plate packet. The wide range of lengths and profiles available guarantee a design tailored to the exact operating point. Solutions by GEA Ecoflex always fit exactly.
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When handling critical media, conventionally gasketed plate heat exchangers quickly reach their limits. New applications on the market constantly call for ever-improved solutions. GEA Ecoflex therefore offers you a technological alternative: the LWC plate heat exchanger based on Laser Welded Cassettes. LWC plate heat exchangers are planned and designed for the highest performance and are optimally suited for use in refrigeration engineering.
The successful OptiWave design of the NT-series is also used for the LWC and ensures a highly efficient heat transfer.
LWC plate heat exchangers are built using the technical basis of the NT range, and therefore offer these tried-and-tested benefits.
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GEAFlex plate heat exchangers are the perfect solution for gaseous, liquid and two-phase media in the chemical and petrochemical industry. Both the temperature range of -200° to 900° C and the pressure spectrum of up to 60 bars make these units the logical choice for problem-free operation. The asymmetrical plate design, the innovative tubework and the innovative profiling guarantee heat transfer with maximum efficiency and low pressure loss.
Freely selectable, pressure-bearing housings and connection lines allow tailor-made plate heat exchanger solutions up to an area of 8,000 m².
Even in these dimensions GEAFlex remains convincing with low investment costs. As the compact design only needs a relatively small amount of material expenditure, and this advantage certainly benefits our customers particularly with cost-intensive metal alloys.
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No chance of product intermixing
With Safetytherm you are always on the safe side. Our developers have created a perfect design that absolutely excludes the possibility of non-compatible products mixing with each other.
Read more here on the GEA Exoflex safety solution:
The Safetytherm double-wall plate heat exchanger by GEA Ecoflex consists of two extra-thin plates which form a small leakage gap. The inlet and outlet openings of the plates are welded. Apart from that, their design is the same as that of conventional gasketed plate heat exchangers.
In the case of a plate breakthrough, the product will not enter the neighbouring flow gap, but the leakage gap. The product is conveyed to the outside via special leakage channels without any product mixing being possible.
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Extremely reliable
GEAShell – an excellent, fully welded plate heat exchanger that proves its superiority where other heat exchangers reach their limits: At temperatures between minus 200 °C and plus 950 °C and at operating pressures of up to 100 bars.
Our GEA Ecoflex solution
The heat transfer surface of a GEAShell consists of profiled stainless steel plates which are welded together to form a plate pack and are precisely fixed in a shell tube. After fitting the connections, the shell tube is completely welded.
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Compact and efficient
Brazed plate heat exchangers consist of pressed stainless steel plates which are brazed with copper or nickel in a vacuum process. For brazing, every other plate is rotated by 180 degrees in the plane to produce to separate flow channels in which the products involved in heat transfer flow in opposite directions. The plate contours generate a highly turbulent flow allowing very efficient heat transfer even with low volumetric flow rates.
Advantages of brazed plate heat exchangers:
Simple installation with individual connection design
Highest operating reliability with comprehensive quality controls
High resistance to pressure and temperature
Compact design with low weight
Brazed with copper or nickel
Plate material of stainless steel or XCR for normal and aggressive media
More possibilities with wide range of connection possibilities
Practically maintenance-free
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Gasketed Plate Design
By means of technological innovation SONDEX has developed and designed a new generation of plate heat exchangers.
With the big range of plate heat exchangers SONDEX has got the optimal technical solution for any possible task, with connection sizes from Ø15 - Ø500 mm covering a liquid flow of 50 l/hour - 2000 m3/hour.
The construction of the inlet part makes a perfect distribution of the liquids across the heating surface. The inlet part is increased and supplied with grooves preventing "dead spots" which may cause the growth of bacteria in the plate heat exchanger. The inlet with groves secures a strong inlet part with a minimum of contact points.
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Framework
The all steel welded heavy duty framework is fully hot dipped galvanized for protection and is designed with hygiene in mind, and the whole freezer can be quickly and easily hosed down if required.
Freezing plates
The freezing plates are manufactured from extruded aluminium alloy sections with internal passages for refrigerant.
The freezing plate surfaces coming into contacts with the product are flat and smooth which ensures good contact for heat transfer and high standards of hygiene.
Refrigerant hoses
Flexible refrigrant hoses are connected between the freezing plates and refrigerant headers. The hose consists of a PTFE material covered externally with a double braided stainless steel with stainless steel fittings.
Hydraulic cylinders
Hydraulic cylinders perform the functions of opening and closing the freezing plates.
The provision of twin hydraulic cylinders reduces the overall height of the freezer enabling it to satisfy the low headroom requirements of a fishing vessel.
The cylinders will have stainless steel rods.
Anti-roll bars
Anti-roll bars, designed to retain freezing trays or frames in the freezing stations when plates are open, allow the freezer to be safely loaded and unloaded in the roughest of sea conditions.
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Framework
The all steel welded heavy duty framework is fully hot dipped galvanized for protection and is designed with hygiene in mind and the whole freezer can be quickly and easily hosed down if required.
Freezing plates
These are manufactured from extruded aluminium alloy sections with internal passages for refrigerant.
The freezing plate surfaces coming into contacts with the product are flat and smooth which ensures good contact for heat transfer and high standards of hygiene.
Refrigerant hoses
Flexible refrigrant hoses are connected between the freezing plates and refrigerant headers. The hose consists of a PTFE material covered externally with a double braided stainless steel with stainless steel fittings.
Hydraulic cylinders
Hydraulic cylinders perform the functions of opening and closing the freezing plates and raising the lowering the lifting arms. The hydraulic cylinders will have stainless steel rods.
Lifting arms
The horizontal and vertical members of each lifting arm are fitted with a high density polyethylene extrusion, forming the bottom of the freezing station.
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GROUND PLATE RECTANGULAR 205 X 64 X 13 MM (8X2 1/2"X1/2"). SURFACE 2SQ/M.
Glomex Synthesized bronze Ground Plates are the necessary interface between electric and electronic board devices and the dissipator element: water.
The Bronze micro-spheres realize a huge contact surface with the dissipator element (water), given by the sum of the surfaces of all the bronze spheres; in fact, supported by the porosity of each ground plate, water penetrates into the plates touching the surface of all the spheres.
This kind of construction provides more efficiency than the smooth ground plates.
Glomex Ground Plates are provided with bolt and spacers done with the same material (bronze) used for the plates, in order to avoid electro-corrosion phenomena.
The new 2009 exclusive shape proposed by Glomex provide to an extended developed surface and stronger plate edges.
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