Gas engine CHP

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Product Description

Our CHP installations are manufactured by a partner with quality assurance ISO 9001-, it also has ISO 14001 environmental management system certification, and an OHSAS18001 health and safety system certification, and of course our products are also CE certified. It is important to work with a solid company, while CHP installations require a small investment and often have 24/24/365 continuous operation.

The range develops in 2 energy carriers, on the one hand there are diesel versions and on the other hand there are gas versions, the latter can be offered in natural gas, biomass gas, butane gas and LPG.

The CHP installations are offered in a range of 6 KW to 500 KW, there is a selection of well-known brands in engines, including: Isuzu, Perkins, Cummings, Boudoin, MTU, etc., for the alternators you have the choice between Mecalte , Leroy Somer, Stamford, giving you a guaranteed stable output with a good third harmonic, so you can easily connect sensitive equipment

As is known, 60 to 70% of the generated energy is lost in heat that is released to the environment, by equipping the generator with heat recovery with a heat exchanger on the cooling water, and heat recovery on the exhaust provided that an insulated casing can be maximized. To convert “lost” energy into “heat”, for various residential or industrial applications, whereby more important savings are realized in the energy field, and a contribution is made to the environment

CHP installations are often found in the application in greenhouse cultivation, where the CO², electricity and heat are recuperated, and there are also fiscal and other support, from the (regional) government, but also smaller applications eg in combination with solar panels and , storage battery for residential applications, or eg for cooling installations, where, in addition to cooling, a heating process is also in operation

Javac can take care of the complete installation, going from installation and operation of the CHP, as well as the complete control to external components

If you are interested in a CHP installation, we suggest you send a brief description of your existing situation and the application you propose, we can give you an appropriate quotation, on our CHP page we will propose you a few CHP installations for order of 6 to 75 KW, equipped with a gas engine, but other projects are also welcome, also for installations abroad

General framework

when it comes to energy, electricity is initially thought of. However, the vast majority of energy is not electricity, but heat.

Classically, the production of electricity and heat is done separately. The joint generation of these 2 energy forms by means of cogeneration, (CHP) However, this offers a number of significant advantages, as described below.

Heat and electricity are both forms of energy, but not equivalent. For a good comparison, we take into account the convertibility of energy in a different energy form. Note, not all forms of energy can be fully converted into other forms of energy. We use the terms “exergy” and “anergy” for this.

Exergy is that part of the energy that can be fully converted into another energy form; on the other hand, anergy is the part that can not be (fully) converted into another form. It should be clear that exergy has a greater value than anergy, it is desirable that this exergy is also used economically.

Electricity is a fully convertible energy form, for example from mechanical energy, to heat, … and therefore consists of 100% exergy. Heat, on the other hand, is a form of energy with lower quality, which can no longer be completely converted into another energy form. In addition to exergy, heat also contains anergy, and the proportion of anergy increases as the heat decreases.

Generally, heat and electricity are produced separately, i.e. each energy form is generated by a separate installation. Electricity, unlike heat, is easy to transport. Production is often done remotely, in large thermal plants. The power is then transferred to the end user via the high-voltage grid. Heat, on the other hand, is usually produced locally with the aid of a boiler or a boiler.

The energy of the fuel is converted into heat via a combustion process. This heat is usually requested at a relatively low temperature. This means that the energy from the fuel is converted into heat with a large proportion of anergy. In the light of the most efficient use of fuels (oil / gas), this is unfortunately a regrettable conclusion, since expensive exergy is lost.

 

The principle of CHP

Combined heat and power (CHP) is an energetic process that contributes to limiting exergy losses in heat production. In this process, heat and electricity are produced in the same installation. In view of the fact that heat is difficult to transport, this installation is close to the heat consumer.

The high-quality heat that is released when the fuel is burnt in the engine of the generator (power generator). After this, the low-value residual heat (whose temperature can go from 80 ° C to 500 ° C) remains, and is then used to meet the specific heat demand of a company, a hospital, etc.

It can therefore be said that a CHP is a smart way to generate heat, whereby a much higher exegetical efficiency is obtained. Heat is indeed the most important factor, and it is therefore essential that this heat is usefully employed. Therefore, a CHP is also preferably dimensioned on the heat demand. The electricity generation is used to produce the heat at the desired temperature, and therefore ensures less exergy loss and a more rational use of energy.

The principle of cogeneration can be further expanded by also considering tri-generation. In addition to electricity and heat, such a unit also produces cold. An absorption cooler is used for this. M.a.w. in such a machine one uses the heat to produce cold. When the heat demand decreases in the summer period, the CHP can still continue to run, and use its heat to meet the demand for cold.

 

The strengths of CHP

The great advantage of a CHP is that the present is used much better in the case of a joint generation of heat and electricity. As a result, less fuel is needed for a co-generation than for a separate production of the same amount of heat / electricity. It is known that the reserves of fossil fuels are limited, dealing with it economically is the message. In this respect, CHP is, of course, an interesting technology. Most CHPs work on fossil fuels, but it is also possible to use renewable energy sources as fuel, just think of biomass or biogas. Such an application offers a double advantage: not only is an environmentally friendly fuel used, but it is also used optimally.

Less fuel consumption also means that the CO2 emissions and the emissions of other harmful substances (soot, NOx, SO2, CO, …) are reduced. The listed substances occur in increasingly higher concentrations in air, water and soil. Its impact on the environment, atmosphere and climate is considerable, think of the greenhouse effect and the ozone problem. The European Union’s climate policy has set three objectives for 2020, known as the “20-20-20” targets. These are: • 20% reduction in greenhouse gas emissions compared to the 1990 level; • 20% renewable energy production; • 20% improvement on energy efficiency.

A CHP installation can make a contribution here.

An increase in the number of CHPs will also ensure that the electricity production moves from a central production to a decentralized production. This will, among other things, lead to a relatively strong reduction of the losses in the high-voltage grid.

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