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Method and system for accomplishing flash or fast pyrolysis with carbonaceous materialsMethod and system for accomplishing flash or fast pyrolysis with carbonaceous materials description/claimsThe Patent Description & Claims data below is from USPTO Patent Application 20080006519, Method and system for accomplishing flash or fast pyrolysis with carbonaceous materials. Brief Patent Description - Full Patent Description - Patent Application Claims
BACKGROUND OF THE INVENTION [0001]1. Field of the Invention [0002]The invention relates to a system for processing various carbonaceous feedstocks into useful energy, such as, gaseous, liquid, and char products. In particular, the invention relates to a system for optimizing the decomposition of carbonaceous feedstocks using heat in an oxygen depleted atmosphere in a manner that results in the production of useful products. Usable feedstocks may include carbonaceous waste materials or residues. [0003]2. Description of the Prior Art [0004]Current worldwide demands for energy sources necessitate that additional energy sources be developed for efficiently and cost effectively providing energy. Researchers have attempted to develop renewable oil sources by converting carbonaceous feedstock, for example, biomass materials, into useful energy sources. Many of these processes rely upon the thermal decomposition, for example, pyrolysis, of the feedstock for converting the feedstock into readily usable energy sources. [0005]While some success has been found through the utilization of prior systems, a need still exists for an improved and more efficient process for the conversion of carbonaceous feedstock to useful energy sources. The present invention provides such a process. SUMMARY OF THE INVENTION [0006]It is, therefore, an object of the present invention to provide a system for the conversion of carbonaceous feedstocks into useful sources for energy, chemicals, or other materials. The system includes a reactor chamber for receiving carbonaceous feedstock and heat carrier for processing of the feedstock in the generation of useful sources for energy, chemicals, or other materials. The system also includes a char separation and recovery mechanism linked to the reactor chamber for separating char produced as a result of processing of feedstock within the reactor chamber from heat carrier and a condenser in communication with the reactor chamber for receiving gas and vapor from the reactor chamber. A furnace is linked to the char separation mechanism providing energy for operation of the system. The system also includes a heat exchanger through which heat carrier from the char separation and recovery mechanism is reheated and recirculated to the reactor chamber. [0007]It is a further object of the present invention to provide a system wherein the heat exchanger is a jacketed auger through which heat from the furnace passes for heating the heat carrier as it is carried back to the reactor chamber. [0008]It is another object of the present invention to provide a system wherein the char separation and recovery mechanism includes a screen separating system based upon relative particle size. [0009]It is also an object of the present invention to provide a system wherein the char separation and recovery mechanism includes an air classifier system. [0010]It is still another object of the present invention to provide a system wherein the char separation and recovery mechanism includes a magnetic separation system. [0011]It is a further object of the present invention to provide a system wherein the condenser includes a fractional condensation column. [0012]It is still a further object of the present invention to provide a system including a char trap or tar trap positioned between the reactor chamber and the condenser. [0013]It is also an object of the present invention to provide a system wherein the reactor chamber is a stirred tank reactor or a rotating cylinder reactor. [0014]It is a further object of the present invention to provide a system including a drier in communication with the reaction chamber, wherein a feed mechanism transfers the feedstock from the dryer to the reactor chamber. [0015]It is also another object of the present invention to provide a system wherein the feed mechanism includes a central air lock between first and second feed sections. [0016]Other objects, advantages and salient features of the invention will become apparent from the following detailed description, which taken in conjunction with the annexed drawings, discloses a preferred, but non-limiting, embodiment of the subject invention. BRIEF DESCRIPTION OF THE DRAWINGS [0017]FIG. 1 is an overview of the present system. [0018]FIG. 2 is a schematic of the present system in accordance with a preferred embodiment. [0019]FIG. 3 is a schematic showing a feeding mechanism in accordance with the present invention. [0020]FIGS. 4, 5, 6 and 7 show various char separation systems for use in accordance with the present invention. [0021]FIG. 8 is a schematic showing a heat exchanger for use in conjunction with the return heat carrier to the reactor. Continue reading about Method and system for accomplishing flash or fast pyrolysis with carbonaceous materials... Full patent description for Method and system for accomplishing flash or fast pyrolysis with carbonaceous materials Brief Patent Description - Full Patent Description - Patent Application Claims Click on the above for other options relating to this Method and system for accomplishing flash or fast pyrolysis with carbonaceous materials patent application. ###  How KEYWORD MONITOR works... a FREE service from FreshPatents1. Sign up (takes 30 seconds). 2. Fill in the keywords to be monitored. 3. Each week you receive an email with patent applications related to your keywords. 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