PLATE HEAT EXCHANGER

The best price to buy Plate Heat Exchangers

021U0092 Danfoss

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021U0098 Danfoss

021U0099 Danfoss

Plate exchangers, also known as plate heat carriers, are a type of heat exchangers used for metal plates in parallel. Plate heat exchangers allow thermal energy to be transported between two materials, being used in heating and cooling technology, even for the preparation of hot water. Likewise, it consists of multiple heat-conducting plates welded and screwed together, which consist of corrugated chambers superimposed in layers. The substances circulate in the spaces between the chambers, with a countercurrent direction, which determines the magnitude of the energy transfer. However, plate heat exchangers are necessary for processes where temperature is an ally. We will explain what a plate heat exchanger is fors, how it works, advantages and disadvantages, how to clean a plate heat exchanger and much more. Keep reading!

What is a plate heat exchanger used for

The plate heat exchangers are perfect for those fluids with low viscosity and free of particles, thus being the outlet and inlet temperatures. It is used for industry, in pharmaceutical, food, steel plants, chemicals, among others. They are also used for water heaters and other fluids, evaporators, subcoolers, steam condensers, heat recovery on temperature shorts, handling of corrosive substances, among other functions that we can give a plate heat exchangers. However, it provides efficient heat transfer in small equipment, where units are more flexible in design and easy to service. The range of plate heat exchanger products we offer is extremely wide.

Operation

The operation of the plate heat exchanger is very simple to understand. Each plate has 4 holes, 2 at the back and 2 at the bottom. The hot liquid enters through any upper hole and leaves through a lower connection, so I understand that the cold enters through a lower hole and leaves through the upper one. The plate heat exchanger exercises this operation, when the fluid passes through the plates, circulates through the distribution area and receives or transfers heat, as it moves. Thanks to the fact that the returning fluid has a lower temperature gradient, it needs less heating time, which means that the exchangers have a fairly efficient function and system with minimal energy expenditure.

Plate heat exchanger

A plate heat exchanger is a piece of equipment that continuously transfers heat from one medium to another. To better understand the function of the plate heat exchanger, we must know the two types that exist:

Direct heat exchanger: both media are in contact with each other, however, both media do not mix. A cooling tower is a clear example to understand this type of exchangers, in this device the water is cooled through contact with the air.
Indirect heat exchanger: both media are separated by a wall through which heat is transferred. This type of exchanger is available in plate, tube and shell, spiral, among others, it offers a better solution to thermal problems, with broader pressure and temperature limits.

Boiler plate heat exchanger

The plate heat exchangerboiler is an element responsible for allowing heat exchange inside the boilera. Thus, the products can pass from the final combustion and take advantage of the remaining heat for the condensation of steam. It can be located in different parts of the boiler, but it is usually placed at the top. It fulfills its function when the water enters from the return of the condensation circuit. Where it manages to heat up and circulates to the primary exchanger, until it reaches the plate exchanger. The function of the plate heat exchanger is mainly carried out in winter, where the saving of the boiler condensation must be much greater, and they are much more efficient.

Advantages and disadvantages of a plate heat exchanger

Technology can bring with it advantages and disadvantages in its products that are part of the electrical industry, plate heat exchangers have pros and cons, but we continue without denying their great performance. The advantages of a plate heat exchanger are the following:

They are easy to maintain and clean, they can be brushed with pressurized water and a brush, or a chemical cleaning due to the high turbulence of the equipment.
The plates are very easy to change.
The equipment is quite compact, that is, they take up less space than shells and tubes, and the space needed to clean them is considerable.

The disadvantages are the following:

The maximum working temperature is limited by its resistance, being 149° C.
The pressure also has limits, making it possible to achieve a good seal on it. The maximum pressure can be 300 psi, equivalent to 20 atm. Everything will depend on the size of the plates, frame model and number of plates that the equipment has.
Not good for generating large amounts of steam, nor for vaporizing fluids.

How to clean boiler plate heat exchanger

There are two ways to clean the boiler plate exchanger, take note and read carefully, they are the following:

Clean the exchanger without disassembling: the pump must be disconnected from the boiler, just as if you were going to perform a thorough rinse. It is then used to clean an anti-lime chemical, to break up or dissolve alkaline stones that solidify when the temperature rises.
Clean the exchanger by disassembling: you can disassemble the exchanger and apply the anti-limescale product with circular movements using inlets and outlets. If you find it difficult to disconnect, you should do it through the threaded ones.

Prices

The prices of plate heat exchangers are quite accessible and ideal for each client and their needs. Request the price of the exchanger of your choice, we have personalized advice dedicated to you. Checking the price of plate heat exchangers online has never been so easy.

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