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Separated chambers pyrolysis furnace

a pyrolysis furnace and separate chamber technology, applied in the direction of combustible gas production, lighting and heating apparatus, combustion types, etc., can solve the problems of lowering the caloric power of syngas and mixing it with syngas, and achieve the effect of reducing the caloric power of syngas and particularly advantageous production of syngas

Inactive Publication Date: 2020-02-13
PYRO&TECH SRLS
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent text is discussing the use of a two-chamber pyrolysis furnace to produce syngas. In the first chamber, the fuel is heated in the absence of oxygen to cause pyrolysis. Then, the fuel passes through a second chamber where it is completely combusted in the presence of air. The heat generated in the second chamber is used to partially pyrolyse the fuel and heat domestic water. It is important that the two chambers are separated, as mixing the gas from the second chamber with syngas would lower its caloric power. The main gas composition in the second chamber is nitrogen and carbon dioxide, and mixing it with syngas would be negative. The technical effect of this patent is to provide a more efficient and economical method for producing syngas.

Problems solved by technology

Furthermore, the gas of the second chamber is mainly composed of nitrogen and carbon dioxide, and mixing it with syngas would be negative since it would lower the caloric power of syngas.

Method used

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  • Separated chambers pyrolysis furnace
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Embodiment Construction

[0004]FIG. 1 shows a scheme of an embodiment of the two-chamber reactor according to the invention. The first chamber, i.e. the pyrolysis chamber (10), is formed by a pipe containing a cochlea (10) The fuel (e.g. woodchips) is fed through the cochlea and moves forward thanks to the movement of the cochlea. During the stay in the pyrolysis chamber (10), the fuel is heated by the combustion gases of the second chamber (20). The heating of woodchip in the first chamber at a suitable temperature and in the absence of oxygen produces pyrolysis of woodchip itself.

[0005]FIG. 2 represents a second embodiment of the invention wherein the fuel is fed to the pyrolysis chamber by star valve (15), and the passage from the first chamber (10) to the second chamber (20) takes place by gravitation. In this embodiment, syngas is withdrawn at the top of the loop where pyrolyzed fuel falls into the combustion chamber, and there is no need for a pipe (60) since no depression is created in this embodimen...

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Abstract

The present invention is directed to an apparatus for domestic hot water and electricity production by the use of a natural organic fuel, the apparatus comprising a separated chambers pyrolysis furnace comprising: a) a pyrolysis chamber wherein the fuel is heated, substantially in the absence of oxygen at a temperature capable of causing pyrolysis of fuel; b) a combustion chamber of the pyrolyzed fuel, wherein the pyrolyzed fuel is burned in the presence of an air flux. The invention is also directed to an apparatus for the production of domestic hot water and electricity, which apparatus comprises: the above defined furnace; b) a heat exchanger connected to the exit of the exhausted gas, wherein domestic water is heated; c) a power generator connected with the exit of syngas, wherein syngas produced in the pyrolysis chamber is used as a fuel.

Description

FIELD OF THE INVENTION[0001]The present invention is directed to a separated chambers pyrolysis furnace and to its use for the combined production of electricity and domestic hot water. Particularly, the present invention related to a separated chambers pyrolysis furnace, fed by organic fuel (e.g.: pellets, woodchips, nut shells, sawdust, biomasses) comprising a first pyrolysis chamber, wherein syngas is produced, and a second combustion chamber wherein the pyrolyzed fuel is combusted in the presence of air. The heat generated in the second chamber is used to heat the first chamber and bring the fuel to the pyrolysis temperature, and to heat domestic water. Syngas is used as a fuel for a generator producing electricity. The invention is also directed to a domestic apparatus for the production of electricity and hot water, the apparatus comprising the above defined pyrolysis furnace, a heat exchanger to heat domestic water by the hot gasses of the second combustion chamber, and a gen...

Claims

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Application Information

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IPC IPC(8): C10B53/02C10J3/30C10J3/60F23B40/04F23B90/06F23G5/027
CPCC10B53/02F23G2201/304C10J3/60F23G2206/203F23G2201/303F23B40/04C10J2300/1606C10J3/30F23G5/027F23G2201/301F23B90/06C10J2300/1876F23G2203/401C10J3/002C10J3/007C10B47/44C10J2200/158
Inventor LURAGHI, FLAMINIO GIACOMO
Owner PYRO&TECH SRLS
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