SCREW DEHYDRATOR

PROBLEM TO BE SOLVED: To provide a screw dehydrator which can secure a stable scraping function and a crushing function of a scraper without being influenced by an effect of a moving stroke of a back pressure member. SOLUTION: The screw dehydrator 1 comprises: an outer cylinder screen 2; a discharge...

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Hauptverfasser:	NAKAMACHI KAZUO, ODAKA SHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRESSES PRESSES IN GENERAL SEPARATION TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator	NAKAMACHI KAZUO ODAKA SHIRO
description	PROBLEM TO BE SOLVED: To provide a screw dehydrator which can secure a stable scraping function and a crushing function of a scraper without being influenced by an effect of a moving stroke of a back pressure member. SOLUTION: The screw dehydrator 1 comprises: an outer cylinder screen 2; a discharge area 3 for a material to be treated facing to a discharge opening 2a of this outer cylinder screen 2; a screw shaft 5 rotatably installed across the inside of the outer cylinder screen 2 and the discharge area 3 and attached with a screw blade 4; and the back pressure member 6 located at the discharge area 3 and movably and externally fitted to the screw shaft 5 so that the distance between the discharge opening 2a and it is variable, wherein a scraper 13 is attached to the screw shaft 5 so as to be located at the radially outside of the back pressure member 6, is integrally rotated with this screw shaft 5, wherein the radially relative position of the screw shaft 5 with respect to the back pressure member 6 is variable. COPYRIGHT: (C)2008,JPO&INPIT
format	Patent
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SOLUTION: The screw dehydrator 1 comprises: an outer cylinder screen 2; a discharge area 3 for a material to be treated facing to a discharge opening 2a of this outer cylinder screen 2; a screw shaft 5 rotatably installed across the inside of the outer cylinder screen 2 and the discharge area 3 and attached with a screw blade 4; and the back pressure member 6 located at the discharge area 3 and movably and externally fitted to the screw shaft 5 so that the distance between the discharge opening 2a and it is variable, wherein a scraper 13 is attached to the screw shaft 5 so as to be located at the radially outside of the back pressure member 6, is integrally rotated with this screw shaft 5, wherein the radially relative position of the screw shaft 5 with respect to the back pressure member 6 is variable. 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SOLUTION: The screw dehydrator 1 comprises: an outer cylinder screen 2; a discharge area 3 for a material to be treated facing to a discharge opening 2a of this outer cylinder screen 2; a screw shaft 5 rotatably installed across the inside of the outer cylinder screen 2 and the discharge area 3 and attached with a screw blade 4; and the back pressure member 6 located at the discharge area 3 and movably and externally fitted to the screw shaft 5 so that the distance between the discharge opening 2a and it is variable, wherein a scraper 13 is attached to the screw shaft 5 so as to be located at the radially outside of the back pressure member 6, is integrally rotated with this screw shaft 5, wherein the radially relative position of the screw shaft 5 with respect to the back pressure member 6 is variable. 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SOLUTION: The screw dehydrator 1 comprises: an outer cylinder screen 2; a discharge area 3 for a material to be treated facing to a discharge opening 2a of this outer cylinder screen 2; a screw shaft 5 rotatably installed across the inside of the outer cylinder screen 2 and the discharge area 3 and attached with a screw blade 4; and the back pressure member 6 located at the discharge area 3 and movably and externally fitted to the screw shaft 5 so that the distance between the discharge opening 2a and it is variable, wherein a scraper 13 is attached to the screw shaft 5 so as to be located at the radially outside of the back pressure member 6, is integrally rotated with this screw shaft 5, wherein the radially relative position of the screw shaft 5 with respect to the back pressure member 6 is variable. COPYRIGHT: (C)2008,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record>
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language	eng
recordid	cdi_epo_espacenet_JP2008006316A
source	esp@cenet
subjects	CHEMISTRY METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PRESSES PRESSES IN GENERAL SEPARATION TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title	SCREW DEHYDRATOR
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