Title:
SMOKE HEAT RECOVERY APPARATUS FOR OIL OR GAS-FIRED BOILER
Document Type and Number:
WIPO Patent Application WO/2015/196596
Kind Code:
A1
Abstract:
A smoke heat recovery apparatus for an oil or gas-fired boiler, comprising an outer barrel (1) and a smoke channel (3) and a water circulation channel (2) disposed within said outer barrel (1). A water inlet (5) and a water outlet (6) are disposed on the water circulation channel (2); the smoke channel (3) and the water circulation channel (2) are both composed of a plurality of tubular channels (b, a), the tubular channels (b, a) in the smoke channel (3) and the water circulation channel (2) being coaxially disposed and radially arranged at intervals; the top and bottom ends of the smoke channel (3) are open; the two ends of the tubular channels (a) in the water circulation channel (2) are closed and the tubular channels (a) are connected at top and bottom to form a channel bending back on itself upwards and downwards successively; the water inlet (5) and the water outlet (6) are respectively arranged at the two ends of the bent channel. The present heat recovery apparatus has a large heat transfer area and is structurally simple.
Inventors:
HUANG XIN (CN)
Application Number:
PCT/CN2014/087041
Publication Date:
December 30, 2015
Filing Date:
September 22, 2014
Export Citation:
Assignee:
HUANG XIN (CN)
International Classes:
F23J15/06
Foreign References:
| GB191222095A | 1913-09-29 | |||
| CN2479362Y | 2002-02-27 | |||
| US2832320A | 1958-04-29 | |||
| US2034172A | 1936-03-17 | |||
| CN2384169Y | 2000-06-21 |
Attorney, Agent or Firm:
SHENZHEN YUANHANG INTELLECTUAL PROPERTY OFFICE (GENERAL PARTNER) (CN)
深圳市远航专利商标事务所（普通合伙） (CN)
深圳市远航专利商标事务所（普通合伙） (CN)
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