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Patent Searching and Data


Title:
SOOT CLEANING DEVICE FOR FIRE TUBE TYPE HEAT RECOVERY BOILER
Document Type and Number:
WIPO Patent Application WO/2020/029042
Kind Code:
A1
Abstract:
Provided is a boiler soot cleaning apparatus with a quick opening and good sealing performance. The soot cleaning apparatus is mounted exactly opposite a rear tube plate of a fire tube type heat recovery boiler on an outlet flue plate, and comprises a soot cleaning channel tube (1), one end of the soot cleaning channel tube (1) being mounted on the outlet flue plate and a tube opening at the other end thereof being internally provided with a groove-shaped block (3), wherein a U-shaped baffle (2) is provided on the side, away from the tube opening, of the groove-shaped block (3), and a cover plate (5) matching the groove-shaped block (3) and freely tightening and opening the groove-shaped block (3) by using a threaded rod pin (7) is provided outside the tube opening correspondingly; a high temperature resistance spacer (4) is positioned between the cover plate (5) and the tube opening; and a handle (6) is provided on the side, away from the tube opening, of the cover plate (5). The soot cleaning apparatus further comprises a soot cleaning rod (8), the soot cleaning rod (8) being made of long circular steel and provided with a soot cleaning rod handle at a tail end and a wire brush at a top end.

Inventors:
LIU XIANGBIN (CN)
Application Number:
PCT/CN2018/099055
Publication Date:
February 13, 2020
Filing Date:
August 06, 2018
Export Citation:
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Assignee:
JIANGSU DONGJIU HEAVY IND CO LTD (CN)
International Classes:
F23J3/00
Foreign References:
CN203052686U2013-07-10
CN205228268U2016-05-11
JP2014126329A2014-07-07
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