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Title:
DRYING METHOD IN DRYING PROCESS FOR MANUFACTURING WOODY PELLETS USING GREEN WOOD AND WOODY PELLET MANUFACTURING APPARATUS INCLUDING DRYING PROCESS TO WHICH THIS DRYING METHOD IS APPLIED
Document Type and Number:
Japanese Patent JP2015052418
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To enable woody pellets to be manufactured and supplied in large amounts stably in applications including a material for co-combustion with coal in a thermal power plant using, as a raw material, green wood such as lumbers having a large water content fluctuation width.SOLUTION: To dry crushed green wood (crushed raw material) so as to have a preset water content by a hot air dryer, a water content A of the crushed raw material supplied to the hot air dryer and a supply amount B of the crushed raw material supplied to the dryer per unit time are consecutively measured, and the supply amount B is controlled so as to make a water supply amount (A×B) per unit time to be supplied to the dryer equal to a constant amount calculated so that the dried crushed raw material has a preset water content. Furthermore, a water content C and an unloading amount D of the dried crushed raw material are consecutively measured, and a temperature and/or a supply amount of hot air supplied to the dryer is controlled so that the water content C is equal to a preset water content.

Inventors:
FUNYU MINORU
KANEKUNI KEIJI
MIYAMOTO TETSUYA
Application Number:
JP2013185076A
Publication Date:
March 19, 2015
Filing Date:
September 06, 2013
Export Citation:
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Assignee:
MITSUBISHI CHEM ENG CORP
ELECTRIC POWER DEV CO
International Classes:
F26B25/22; B27K5/00; F26B21/00; F26B21/10
Domestic Patent References:
JPH11237180A1999-08-31
JPH0886569A1996-04-02
JP2003307386A2003-10-31
JP2010223440A2010-10-07
JP2005265262A2005-09-29
Attorney, Agent or Firm:
Kobayashi 均
Takeo Noguchi
Wood 司



 
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