Ube Industries, Inc.

Mitsubishi Ube Cement Corporation

Yuusuke Hiraiwa

Nobuyuki Ooi

Shigeya Hayashi

Hiroshi Amano

A biomass solid fuel manufacturing device () includes: a rotary kiln () that carbonizes a biomass molded body molded from raw material biomass. The rotary kiln () includes a kiln body (), a raw material supply unit () that supplies the biomass molded body to an upstream end portion of the kiln body (), and an inert gas supply unit () that supplies inert gas to an upstream end portion inside the kiln body ().

Biomass solid fuel manufacturing device

A biomass solid fuel having low self-heating. In the biomass solid fuel, mutual bonding or adhesion between pulverized biomass particles is maintained and the biomass solid fuel has a maximum reaching temperature of less than 200° C. in a self-heating property test based on the 'UNITED NATIONS Recommendations on the TRANSPORT OF DANGEROUS GOODS: Manual of Test and Criteria: 5revised Edition: Test method for Self-heating substances'.

Biomass solid fuel

A biomass solid fuel manufacturing method, including: a heating step of carbonizing a biomass molded body formed by molding raw material biomass, in an external heating type rotary kiln, in which the rotary kiln includes a non-heating zone that is provided on an upstream side of a kiln body and is not provided with a heating unit on an outer circumference, the non-heating zone includes a spiral blade on an inner circumferential surface, and in the heating step, the biomass molded body is introduced to the non-heating zone of the kiln body.

Biomass solid fuel manufacturing method and biomass solid fuel manufacturing device

A biomass solid fuel is provided which, when exposed to rain water, has a reduced COD in discharged water and has low disintegration-property, while suppressing an increase in cost. The present invention relates to a biomass solid fuel obtained by molding pulverized biomass, having a fuel ratio (fixed carbon/volatile matter) of 0.2 to 0.8, dry-basis higher heating value of 4800 to 7000 (kcal/kg), a molar ratio of oxygen O to carbon C (O/C) of 0.1 to 0.7, and a molar ratio of hydrogen H to carbon C (H/C) is 0.8 to 1.3.

A biomass solid fuel which, when exposed to rain water, has a reduced COD in discharged water and has low disintegration-property, while suppressing an increase in cost. The biomass solid fuel obtained by molding pulverized biomass particles, such that mutual bonding or adhesion between pulverized biomass particles is maintained after immersion in water.

A biomass solid fuel with reduced self-heating. An apparatus for manufacturing a biomass solid fuel including a carbonization furnace for carbonizing a biomass molded block to obtain a biomass solid fuel; a yield calculator for calculating a yield of the biomass solid fuel and/or a temperature detector for measuring a temperature of the carbonization furnace; and a controller for controlling a heat source of the carbonization furnace; in which the controller controls the heat source based on a correlation between (i) a self-heating property of the biomass solid fuel and (ii) the yield and/or the temperature of the carbonization furnace.

Apparatus for manufacturing a biomass solid fuel and a method for manufacturing the same

The present invention relates to a biomass solid fuel obtained by steam exploding and then molding biomass into biomass blocks and then heating the biomass blocks, wherein the biomass solid fuel has a fuel ratio of 0.2 to 2.5, a dry-based higher heating value of 5,000 to 7,500 (kcal/kg), a molar ratio of oxygen O to carbon C (O/C) of 0.1 to 0.6, and a molar ratio of hydrogen H to carbon C (H/C) of 0.5 to 1.35.

Growing community of inventors

Ube, Japan

Yuusuke Hiraiwa