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Nuevo sistema de generación ultrarrápida de calor que se integra en equipos industriales energéticamente eficientes seguros y económicos


Oferta Tecnológica
Una microempresa española ha desarrollado un sistema para obtener calor de forma muy rápida transmitiendo microondas en cerámicas técnicas. El producto consiste en un sistema de generación de calor totalmente disruptivo por la rapidez en alcanzar la temperatura operativa y por su capacidad para mantener el calor durante mucho tiempo, ofreciendo un importante ahorro energético y pudiendo implementarse en cualquier proceso térmico. El sistema encuentra aplicación en numerosos sectores, desde electrodomésticos hasta gasificación ultrarrápida, ofreciendo una mejor eficiencia energética y huella de CO2 que los sistemas convencionales y manteniendo unos precios reducidos. La empresa busca socios con el fin de establecer acuerdos de licencia, fabricación o cooperación en materia de investigación.


Ultra-quickly heat generating innovative system to be integrated in energy efficient, safe and economic industrial equipments
A Spanish microenterprise has developed a system to obtain heat very quickly by transmitting microwaves into technical ceramics. Uses have been identified in many sectors, from small household appliances to ultra-quick-startup gasification, always reaching improvements in energy efficiency and CO2 footprint compared to conventional systems, and keeping low prices of components. They seek partners to establish a license agreement, a manufacturing agreement or a research cooperation agreement.
The product developed by the Spanish company consists on a completely disruptive heat-generation system, because of its quickness to reach the operation temperature and its ability to maintain for long the heat, providing great energy saving which can be implemented in any thermal process. Different devices have been designed depending on target material nature: solids, aggregates, liquids and gases.

The system is based on heating cells, made of a ceramic element with a conductive inner material, radio-electrically isolated by using metal sheets. These cells are designed to absorb all the microwave energy they receive, turning it into heat which is accumulated in the ceramic matrix, able to release the thermal energy slowly. The microwave energy is generated by an ordinary magnetron (a very low-cost device due to its massive use in microwave ovens) and then distributed to each cell in a homogeneous and totally safe way using planar technology.

The planar technologies are a kind of transmission line, which have been extensively used in telecommunications engineering due to its simplicity, open structure and low profile. Nevertheless, they have not been used before in energetic applications of microwaves.

In order to achieve the fast temperature rising ramp and the much slower cooling ramp, the electromagnetic properties of certain materials (named microwave susceptors) have been studied, selecting the most appropriate ones with which the ceramic matrix is doped. A new material, then, is created which is able to rise its temperature when illuminated by microwave energy but, once microwave energy is removed, can hold its temperature following the ceramic matrix thermal inertia, therefore losing its temperature very slowly.

Each heating cell design is specific, so they are matched to the dielectric properties of the new ceramic material. This way, all the energy dissipation is made completely in the material, avoiding any energy reflection which may potentially reduce energetic efficiency or harm the devices. Cells can reach up to 1250ºC, depending on their design and construction materials.

The system can be applied in different environments according to the required temperatures:

· Low temperature (< 150ºC) applications are: radiating floors, greenhouse and farm heating, bioreactor temperature maintenance, incubators...
· Medium temperature (< 600 ºC): home appliances, heat exchangers, plastic industry, waste incineration.
· High temperature (< 1000 ºC): Dangerous-waste incineration, ultra-fast temperature reaching for high temperature ovens (glass, steel, synthering...), flash pyrolysis, gasification...

A demonstration prototype has been constructed where heating cells are integrated in a unitary heater (1 KW) which is characterized by rising 80ºC in 45 seconds against the best competition that takes 45 minutes.

The company members experience is strong both in telecommunications and microwave circuits, and in ceramic and biological materials. Moreover, the members have experience in launching new products to the market, although they have not experience regarding the potential sectors in which its products could be applied (heating systems, home appliances...), so collaboration with European enterprises is needed to expand the technology. This could be made by establishing a license agreement, in order to license the technology and implement it in different environments, a manufacturing agreement, in order to manufacture parts of the system, or a research cooperation agreement, in order to jointly develop new applications.
Advantages and Innovations:
The main value of this technology is its ability to achieve work temperatures very fast, avoiding waste of time and energy. Laboratory experiences indicate that potential energy saving using it compared to conventional heating is about 95% for temperatures below 150ºC, 85% for temperatures up to 600ºC and 75% for temperatures up to 1250ºC. Consequently, savings in CO2 footprint will be estimated as 0.71 kg CO2 per kWh.

The novelty is based in the heating cells, made of ceramic composites, which integrate susceptors in a ceramic matrix and specially, in the use of planar technologies to distribute and apply microwaves matching the new material requirements.
The main economic benefits are associated with the speed, consuming between 70 and 95% less energy to reach working temperatures compared to any other system. In addition, thermal processes that require maintaining moderate temperatures (heating, incubation ...) benefit from the technical characteristics of the ceramic matrix contained in the heating cells which release slowly the heat.
For instance the expected economic impact of implementing this product in the field of heating buildings is very high, because the manufacturing cost of each heater will be similar to the current equipments, but its energy consumption significantly lower, saving even in the contract power term.
An example of the economic impact of the medium-temperature applications could be the reduction of the preheating time in plastic industries, that will increase productivity while reduce energy waste and CO2 footprint.
Many high-temperature processes are affordable only for large-production plants to be profitable and compensate the huge amounts of energy employed to reach the operating temperature. The proposed generation heat system will allow the viability of high-temperature microplants thus reducing CO2 emissions in logistics.
Stage of Development:
Prototype available for demonstration
Patent(s) applied for but not yet granted,Exclusive Rights
CommeR Statunts Regarding IPR Status:
The integrated system is completely new and, according to a first International Search Report, no major restrictions on its patentability.

Partner sought

Type and Role of Partner Sought:
Expected co-operation partners are both, industries which want to improve its efficiency energy thus reducing CO2 emissions (whatever industrial sector) and machinery manufacturers for those industries. Technological centers are also required for the earliest stages.

The sought partners can belong to any sector of activity and they should be interested in licensing the technology, manufacturing customized parts of the system or jointly develop new applications.

Partners will provide their thermal needs and their energy consumption by using their current machinery.

Proposals to participate in European projects (H2020 or other programmes) in which to apply the technology are also very welcome.

A viability study will be done by the Spanish microenterprise in order to inform the partner about the potential savings.

A pilot scale prototype will be jointly developed to provide scalable savings.

The manufacturing at industrial scale will be licensed.


Type and Size of Client:
Industry SME <= 10
Already Engaged in Trans-National Cooperation:
Languages Spoken:


Technology Keywords:
04001001 Almacenamiento de calor
04007001 Gestión de la energía
01002005 High Frequency Technology, Microwaves
08001005 Tecnología de alimentos
03004004 Tecnología e ingeniería eléctrica / aparatos eléctricos