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Biocokes producing method and apparatus

a biocoke and apparatus technology, applied in the direction of biofuels, fuels, waste based fuels, etc., can solve the problems of large reaction container and low bulk density, and achieve the effect of reducing the amount of pulverized biomass, and reducing the amount of biocoke produced

Inactive Publication Date: 2012-07-05
KINKI UNIVERSITY +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0010]Bio-cokes are still in the experiment stage. JP 4088933 B does not disclose a detailed structure of a pressurizing device, a heating device, a cooling device or the like and a control method thereof or how to produce biocokes in a short amount of time and efficiently. Therefore, it is an object of the present invention to provide biocokes producing method and apparatus which can produce biocokes efficiently and in a short amount of time.

Problems solved by technology

Further, the biomass of a small grain size is used and thus, bulk density is low.
On the other hand, by using unprocessed biomass, it requires a large reaction container.

Method used

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  • Biocokes producing method and apparatus

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Embodiment Construction

[0033]A preferred embodiment of the present invention will now be described in detail with reference to the accompanying drawings. It is intended, however, that unless particularly specified, dimensions, materials, shape, its relative positions and the like shall be interpreted as illustrative only and not limitative of the scope of the present invention. In the present invention, biomass used as raw material for producing biocokes is organic matter attributed to photosynthesis. The biomass may be ligneous matters, grass plant, crops, agricultural matters, or the like. For example, biomass may be lumber waste, thinned lumber, pruned branches, plants, agricultural waste and kitchen waste such as coffee grinds and used tea leaves.

[0034]In a preferred embodiment of the present invention, pulverized biomass whose moisture content is adjusted to a prescribed percentage of moisture content as needed, is used as a raw material. The pulverized biomass may be biomass of a small grain size su...

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Abstract

A method of producing biocokes in which pulverized biomass is fed and pressed in a reaction container is provided, wherein the pulverized biomass in a substantially-packed state is pressure-formed while being heated in a temperature range and a pressure range to obtain a semi-carbonized solid matter or pre-semi-carbonized solid matter and then cooled to produce biocoke. The method may includes a filling step; a reaction step; heating the pulverized biomass by means of a heating device to the temperature range and keeping such state for a prescribed period of time to form a shaped matter of the pulverized biomass in the reaction container, and then cooling the shaped matter by switching from the heating device to a cooling device; and an ejecting step.

Description

[0001]This is a continuation of International Application PCT / JP2010 / 054821 (published as WO 2010 / 0113679 A1) having an international filing date of Mar. 19, 2010, which claims priority to JP 2009-083887 filed on Mar. 31, 2009. The disclosures of the PCT application and the priority application, in their entity, including the drawings, claims, and the specifications thereof, are incorporated herein by reference.TECHNICAL FIELD[0002]The present invention relates to the field of producing biocokes using biomass as a raw material, and particularly to a biocoke producing method and a biocoke producing apparatus, which enable industrial mass production of bio-cokes which can be used as substitute fuel for coal cokes.BACKGROUND ART[0003]In view of global worming, reduction of CO2 emission is promoted. Especially, in a steel industry, coal cokes which are fossil fuels are used as fuel and reducing agents at combustion facilities like a Cupola furnace and a power furnace. At combustion faci...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): C10B47/00
CPCC10B47/12C10B53/02C10L5/447Y02E50/30Y02E50/10Y02E50/14C10L9/08Y02P20/145
Inventor IDA, TAMIOKAWAMI, YOSHIMASASATOU, JUN
Owner KINKI UNIVERSITY
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