EP1028233A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Combi power plant
Assignee: Wartsila Finland Oy
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Filing: 2000-02-10
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Granted: —
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Expires: 2020-02-10
Abstract
Abstract A combined cycle power plant, comprising at least one multi-cylinder combustion engine unit, the exhaust gases of which are fed into exhaust gas boiler means (10), whereupon the unit comprises two adjacent sets (1a,1b) of cylinders each arranged in a line, as well as two turbo apparatuses arranged so that the exhaust gases from each set of cylinders (1a, 1b) are fed to a separate turbo apparatus (3,4). Compressors (3b,4b) are successively coupled so that the compressed air for each of the sets of cylinders (1a,1b) of the engine unit is led via the compressor (3b) of the first turbo apparatus to the compressor (4b) of the second turbo apparatus and, thereafter to the cylinders. The exhaust gases form one turbo apparatus (4) are fed directly into the exhaust gas boiler means (10a), and the exhaust gases from other turbo apparatus (3) are fed into the boiler means (10a) via a separate heat exchanger (12). A first steam production circuit (11a) is connected to the exhaust gas boiler means (10) and is led into the heat exchanger (12) before being fed into a steam turbine (13).
Inventors
- 👤 Thomas Hägglund
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-28 20:32
CPC Classifications
F; F02; F02B; F02B73/00; F01; F01K; F01K23/00; F01K23/02; F01K23/06; F01K23/065; F02G; F02G5/00; F02G5/02; F02B29/00; F02B29/04; F02B29/0406; F02B29/0412; Y; Y02; Y02E; Y02E20/00; Y02E20/16; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
255 words
A combined cycle power plant comprising at least
one multi-cylinder combustion engine unit, the exhaust gases
of which are arranged to be supplied to exhaust gas boiler
means (10), and the heat energy of the exhaust gases being
recovered for production of steam and/or electricity, the
combustion engine unit comprising two adjacent sets (1a, 1b)
of cylinders each arranged in a line and each having a
separate turbo apparatus (3, 4) associated therewith through
which the exhaust gases from the associated set of cylinders
(1a, 1b) are passed, compressors (3b,4b) of the turbo
apparatuses being coupled together successively so that the
compressed air for each of the sets of cylinders (1a, 1b) of
the engine unit is led via the compressor (3b) of the first
turbo apparatus to the compressor (4b) of the second turbo
apparatus and thereafter to the cylinders, characterised in
that the plant has means for conveying the exhaust gases
from one of said turbo apparatuses (4) directly to a first
exhaust gas boiler (10a) of the exhaust gas boiler means
(10), means for conveying the exhaust gases from the other
of said turbo apparatuses (3) to said first exhaust gas
boiler (10a) via a separate heat exchanger (12), a first
steam producing means (11a) connected to said first exhaust
gas boiler (10a), and means for conveying steam generated by
said first steam producing means (11a) from said exhaust gas
boiler (10a) into said heat exchanger (12), in order to
maximise the temperature of steam, and thereafter to a steam
turbine (13).
Claim 2
Dependent Claim
59 words
A combined cycle power plant according to claim
1, characterised in that it comprises a second exhaust gas
boiler (10b) positioned downstream of the first exhaust gas
boiler (10a) in the flow direction, and a second steam
producing means (11b) associated with the second exhaust gas
boiler and which is operatively connected to said first
steam producing means (11a).
Claim 3
Dependent Claim
32 words
A combined cycle power plant according to claim
2, characterised in that it comprises further means for
conveying steam from said second steam producing means (11b)
directly into said steam turbine (13).
Claim 4
Dependent Claim
34 words
A combined cycle power plant according to any of
preceding claims, characterised in that at least one
intermediate cooler (8) is arranged to cool the compressed
air before it is fed into the cylinders.
Claim 5
Dependent Claim
22 words
A combined cycle power plant according to any of
preceding claims, characterised in that the combustion
engine unit (1) comprises a V-engine.
Claim 6
Independent Claim
252 words
A method of intensifying the production of steam
and/or electricity in a combined cycle power plant
comprising at least one multi-cylinder combustion engine
unit, the method comprising supplying exhaust gases from
said at least one multi-cylinder combustion engine unit to
exhaust gas boiler means (10), and recovering the heat
energy of the exhaust gases for production of steam and/or
electricity, the combustion engine unit comprising two
adjacent sets (1a, 1b) of cylinders each arranged in a line
and each having a separate turbo apparatus (3, 4) associated
therewith through which the exhaust gases from the
associated set of cylinders (1a, 1b) are passed, compressors
(3b,4b) of the turbo apparatuses being coupled together
successively so that the compressed air for each of the sets
of cylinders (1a, 1b) of the engine unit is led via the
compressor (3b) of the first turbo apparatus to the
compressor (4b) of the second turbo apparatus and thereafter
to the cylinders, characterised in that the method further
comprises conveying the exhaust gases from one of said turbo
apparatuses (4) directly to a first exhaust gas boiler (10a)
of the exhaust gas boiler means (10), conveying the exhaust
gases from the other of said turbo apparatuses (3) to said
first exhaust gas boiler (10a) via a separate heat exchanger
(12), and conveying steam generated by a first steam
producing means (11a) associated with the first gas boiler
means through said heat exchanger (12), in order to maximise
the temperature of steam, and thereafter to a steam turbine
(13).
Claim 7
Dependent Claim
260 words
A combined cycle power plant comprising at least
one multi-cylinder combustion engine unit, the exhaust gases
of which have been arranged to be fed into one or more
exhaust gas boiler(s) (10), in which heat energy of the
exhaust gases is recovered for production of steam and/or
electricity, whereupon the combustion engine unit comprises
two adjacent sets (1a, 1b) of cylinders arranged in a line,
and two turbo apparatus (3, 4) arranged so that the exhaust
gases from each set of cylinders (1a, 1b)are led to a turbo
apparatus (3, 4)of its own, and compressors (3b,4b) of the
turbo apparatuses being coupled together successively so
that the compressed air for each of the sets of cylinders
(1a, 1b) of the engine unit is led via the compressor (3b)
of the first turbo apparatus to the compressor (4b) of the
second turbo apparatus and thereafter to the cylinders,
characterised in that the feeding of the exhaust gases into
the first exhaust gas boiler (10a) in the flow direction is
accomplished so that the exhaust gases from one of said
turbo apparatuses (4) are led directly into said exhaust gas
boiler (10a), and the exhaust gases from the other of said
turbo apparatuses (3) are led into said exhaust gas boiler
(10a) via a separate heat exchanger (12), and that a first
steam production circuit (11a) connected to said first
exhaust gas boiler (10a) is led via said exhaust gas boiler
(10a) into said heat exchanger (12), in order to maximise
the temperature of steam, before feeding into a steam
turbine (13).
References Cited (Backward Citations)
GB2121474A
Cited
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