System for using flue gas heat

a flue gas heat and heat exchange technology, applied in the direction of drying machines, drying, lighting and heating apparatus, etc., can solve the problems of transfer of very high temperature regenerators and additional cost, and achieve the effect of reducing the requirement and reducing the cost of the requiremen

Inactive Publication Date: 2013-03-21
CHEVROU USA INC
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  • Abstract
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Benefits of technology

[0011]In one embodiment the present invention also provides a process for pyrolysis and drying of organic material, including the steps of pyrolyzing organic material to generate at least pyrolysis oil and coke, com...

Problems solved by technology

One problem with this arrangement, however, is that in some cases safety considerations prevent the transfer of the very high temperature regenerator flue gas to the heat exchangers in co...

Method used

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  • System for using flue gas heat
  • System for using flue gas heat

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Embodiment Construction

[0014]In general terms one embodiment of the present invention pertains to a process for pyrolysis and drying of organic material. The organic material may be any suitable material that is capable of being pyrolyzed. The type of material selected may, of course, vary depending upon, for example, the desired products and / or their desired use. Since in one embodiment the present invention also assists in drying the starting organic materials, the present invention may be most advantageous when pyrolyzing materials that may need to be at least partially dried before undergoing pyrolysis. Such materials may include, for example, coal, biomass, and / or mixtures thereof.

[0015]Typically, useful biomass includes any cellulosic or lignocellulosic material and includes materials comprising cellulose, and optionally further comprising hemicellulose, lignin, starch, oligosaccharides and / or monosaccharides. Biomass may also comprise additional components, such as protein and / or lipid. Biomass may...

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Abstract

A system including a pyrolysis unit for pyrolyzing organic material to produce at least pyrolysis oil and coke, a regenerator unit to combust the coke and produce a regenerator flue gas, and a mixer connected to the regenerator unit to mix the regenerator flue gas with air to produce a cooled flue gas. The system may further include at least one heat exchanger connected to the mixer to extract heat from the cooled flue gas, and a conveyer belt in thermal communication with the at least one heat exchanger and operably connected to the pyrolysis unit. The conveyer belt conveys a organic material in need of drying past the at least one exchanger to produce organic material suitable for use as a feed to the pyrolysis unit.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This patent application claims priority under 35 USC §119(e) to provisional patent application Ser. No. 61 / 537,467 filed Sep. 21, 2011, which is incorporated herein by reference in its entirety.FIELD OF THE INVENTION[0002]The present invention relates to the pyrolysis of organic material and combustion of coke, and more particularly to use of the resulting combustion gases to dry additional organic material. Still more particularly, the present invention relates to the cooling of combustion gas left over from a pyrolysis process to make the gas suitable for transfer to a heat exchange dryer.BACKGROUND AND SUMMARY OF THE INVENTION[0003]Pyrolysis is a process of thermochemical decomposition of an organic material, such as biomass, at high temperatures and usually in the absence of substantial amounts of oxygen. Pyrolysis systems are useful because they are capable of taking a feed stream of raw organic material, and converting that material...

Claims

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Application Information

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IPC IPC(8): C10B57/10C10B23/00C10B7/06
CPCC10B49/16C10B53/02C10B57/10F26B2200/02F26B23/028Y02E50/14F26B17/04Y02E50/10Y02P20/145C10B51/00C10B53/00
Inventor ROVNER, JERRY M.
Owner CHEVROU USA INC
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