Improvement of protective sleeve

An improvement of protective sleeve for acid-making fire-tube exhaust-heat boiler is characterized in that: the protective sleeve comprises two parts, the tail is columnar and the front is a hollow hexagonal head structure; the material is made of a special high fire-resistant, and high-strength mat...

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1. Verfasser:	QINGHUAN WU
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FURNACES HEATING KILNS LIGHTING MECHANICAL ENGINEERING OVENS RETORTS WEAPONS
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creator	QINGHUAN WU
description	An improvement of protective sleeve for acid-making fire-tube exhaust-heat boiler is characterized in that: the protective sleeve comprises two parts, the tail is columnar and the front is a hollow hexagonal head structure; the material is made of a special high fire-resistant, and high-strength material. The utility model is matched with a tube plate and a tube hole arranged in hexagonal array, which makes the counter-fire face of the front tube plate is covered the hexagonal head which can protect the sleeve; heat resistance concrete is filled into the gap between the hexagonal head and the round tail and tamped, which can avoid the washing-away of high-temperature fume and prevent the cracking and collapsing of the heat resistance concrete, thereby protecting the front tube plate effectively.
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The utility model is matched with a tube plate and a tube hole arranged in hexagonal array, which makes the counter-fire face of the front tube plate is covered the hexagonal head which can protect the sleeve; heat resistance concrete is filled into the gap between the hexagonal head and the round tail and tamped, which can avoid the washing-away of high-temperature fume and prevent the cracking and collapsing of the heat resistance concrete, thereby protecting the front tube plate effectively.</description><edition>7</edition><language>eng</language><subject>BLASTING ; DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE ; FURNACES ; HEATING ; KILNS ; LIGHTING ; MECHANICAL ENGINEERING ; OVENS ; RETORTS ; WEAPONS</subject><creationdate>2004</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20041215&DB=EPODOC&CC=CN&NR=2663897Y$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20041215&DB=EPODOC&CC=CN&NR=2663897Y$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>QINGHUAN WU</creatorcontrib><title>Improvement of protective sleeve</title><description>An improvement of protective sleeve for acid-making fire-tube exhaust-heat boiler is characterized in that: the protective sleeve comprises two parts, the tail is columnar and the front is a hollow hexagonal head structure; the material is made of a special high fire-resistant, and high-strength material. 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language	eng
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subjects	BLASTING DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS,IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KINDOF FURNACE FURNACES HEATING KILNS LIGHTING MECHANICAL ENGINEERING OVENS RETORTS WEAPONS
title	Improvement of protective sleeve
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