IES84345Y1 - A boiler - Google Patents
A boiler Download PDFInfo
- Publication number
- IES84345Y1 IES84345Y1 IE2006/0029A IE20060029A IES84345Y1 IE S84345 Y1 IES84345 Y1 IE S84345Y1 IE 2006/0029 A IE2006/0029 A IE 2006/0029A IE 20060029 A IE20060029 A IE 20060029A IE S84345 Y1 IES84345 Y1 IE S84345Y1
- Authority
- IE
- Ireland
- Prior art keywords
- baffle
- plate
- dividing plate
- enclosure
- plate assembly
- Prior art date
Links
- 239000007789 gas Substances 0.000 claims abstract description 17
- 239000003546 flue gas Substances 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 5
- 238000002485 combustion reaction Methods 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 230000002093 peripheral Effects 0.000 claims description 28
- 238000005520 cutting process Methods 0.000 claims description 6
- 238000005452 bending Methods 0.000 claims description 2
- 230000000712 assembly Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004642 transportation engineering Methods 0.000 description 1
Abstract
ABSTRACT A method of manufacturing a baffle plate assembly 11 for an enclosed boiler 1 of the type comprising a substantially rectangular combustion enclosure 2 formed by a base wall 3 and a front wall 4, side walls 5 and a rear wall 6 upstanding on the base wall 3, which upstanding walls 4, 5, 6 are hollow and arranged for carrying system water to be heated. In use, the front wall 4, side walls 5 and the rear wall 6 of the enclosure 2 form, with the sides of an interior tank 8 and each baffle plate assembly 11, 12 a passageway for flue gases through the boiler 1 from a gas inlet 13 located adjacent forming baffle mounting plates 20, 22, a baffle dividing plate 24 and a baffle guide plate 50 having elongate baffle dividing plate embracing legs 52, 54. Such a method eliminates the requirement to cut opening out of baffle plate components, whilst also enabling the baffle plate assembly 11 to be independently formed and joined.
Description
“A boiler”
Introduction
The present invention relates to a boiler and in particular to an enclosed boiler, such
as an oil fired boiler.
There are many constructions of such boilers and the present invention is specifically
directed to improvements in the invention of European Patent No. EP O616676B, the
disclosure of which is included herein in it's entirety by way of reference. This is a
very efficient construction of enclosed boiler. However, since this invention was
devised there have been developments directed to improving and making more
efficient the method of constructing baffle assemblies for use with boilers of the
general type described in EP 06166768.
It is therefore an object of the present invention to provide an improved method of
constructing baffle assembly based on the principles of the boiler described in the
aforementioned European Patent No. 06166763.
It is acknowledged that the term ‘comprise’ may, under varying jurisdictions be
provided with either an exclusive or inclusive meaning. For the purpose of this
specification, and unless otherwise noted explicitly, the term comprise shall have
an inclusive meaning — i.e. that it may be taken to mean an inclusion of not only the
listed components it directly references, but also other non-specified components.
Accordingly, the term ‘comprise’ is to be attributed with as broader interpretation as
possible within any given jurisdiction and this rationale should also be used when
the terms ‘comprised’ and/or ‘comprising’ are used.
Further’ aspectsxof the present invention will become apparent form the ensuing
description which is given by way of example only.
Statements of Invention
According to the invention, there is provided a method of manufacturing a baffle plate
assembly for an enclosed boiler of the type comprising:
a substantially rectangular combustion enclosure formed by a base wall,
upstanding front, side and rear walls on the base wall, and a top wall, in
which at least a portion of the upstanding front, side and rear walls
arranged for carrying water to be heated;
at least one interior tank in the enclosure. which tank extends between
the front and rear walls of the enclosure to divide the enclosure in two
baffle plate assembly receiving sub-enclosures, each for supporting
therein at least one baffle plate assembly,
the front, rear and side enclosure walls forming, with the each baffle
plate assembly and the enclosure walls, a passageway for flue gases
through the boiler from a gas inlet located adjacent the base wall of the
enclosure through the baffle plate assembly in one of the sub-
enclosures to a common gas flue located in the top wall of the
enclosure,
the method comprising the steps, not necessarily sequentially of:
fonning a front baffle mounting plate, a top baffle mounting plate and at
least one baffle dividing plate having a pair of side faces and an upward,
a downward and front and rear facing peripheral edges, the baffle
dividing plate being fonned with a plurality of protruding tabs on its
upward facing peripheral edge for engagement with respective notches
in the top baffle mounting plate, which baffle dividing plate also
comprises a plurality of protruding tabs on its front facing edge for
engagement with respective notches in the front baffle mounting plate
to define there between an opening through which flue gases move;
cutting a notch in at least one substantially rectangular base plate to
form a substantially U-shaped baffle guide plate having two elongate
baffle dividing plate embracing legs;
cutting a U-shaped channel forming bend line in one of the legs
intermediate its ends;
cutting at least one baffle guide plate receiving notch in the rear facing
peripheral edge of the baffle dividing plate;
bending the baffle dividing plate embracing leg upwards about the U-
shaped channel forming bend line;
inserting the baffle guide plate fonned into the baffle guide plate
receiving notch so that the baffle dividing plate embracing legs extend
around the side faces of baffle dividing plate to form, with the side and
rear walls of the enclosure and the front and top baffle mounting plates,
a baffle assembly passageway for directing flue gases through the
opening between the front baffle plate and baffle dividing plate and then
around the front edge of the baffle dividing plate and along one side
face of the baffle dividing plate between the top baffle mounting plate
and one of the elongate baffle dividing plate embracing legs and then
around the rear peripheral edge of the baffle dividing plate and along
the other side face of the baffle dividing plate between the top baffle
mounting plate and other of the elongate baffle dividing plate embracing
legs and then up the bent portion of the baffle dividing plate embracing
leg and through an opening in the top baffle mounting plate to the gas
flue.
Such a method for constructing a baffle plate assembly is particularly advantageous
as it will eliminate the requirement to cut openings out of baffle plate components
through which flue gases are intended to pass. In particular, the provision of a baffle
guide plate having an elongate leg which can be bent upwards to provide a
passageway through the assembly for flue gases is particularly advantageous.
Furthermore, the provision of a connection system of tabs and notches for joining the
components of the baffle plate assembly together is particularly advantageous as it
will enable the separate plates of the baffle plate assembly to be independently
formed and joined together on site, which will not only reduce transportation costs but
also increase the ease with which the baffle plate assembly can be constructed and
taken apart for cleaning.
In another embodiment of the invention, the baffle guide plate is tack welded to the
sides of the baffle dividing plate.
In another embodiment of the invention, a baffle plate assembly manipulation hole is
cut out of the front baffle mounting plate.
In another embodiment of the invention a further baffle guide plate having two
elongate baffle dividing plate embracing legs is formed and inserted into a further
receiving notch cut out of the rear peripheral edge of the baffle dividing plate, the
baffle guide plate then being tack welded to the sides of the baffle dividing plate.
In another embodiment of the invention, an additional tab is formed on the front
peripheral edge of the baffle dividing plate. which additional tab is inserted into a
further receiving notch formed in the front mounting plate.
In another embodiment of the invention, the method comprises the further step of
fonning a baffle plate assembly extension component, the baffle plate assembly
being positioned, when in the enclosure, substantially vertically on top of the baffle
plate assembly extension component to provide an extended passageway for flue
gases through the enclosure.
In another embodiment of the invention, the baffle plate assembly extension
component is formed with a baffle plate assembly extension component dividing plate
having an upward facing peripheral edge which provides a landing or mounting
surface for receiving thereon the baffle dividing plate of the baffle plate assembly.
Detailed Description of the Invention
The invention will be more clearly understood from the following description of some
embodiments thereof, given by way of example only, with reference to the
accompanying drawings, in which:
Fig. 1 is a front sectional view of a boiler enclosing a plurality of baffle plate
assemblies formed in accordance with the present invention;
Fig. 2 is a side sectional view of the boiler shown in Fig. 1,
Fig. 3 is an exploded view of a baffle plate assembly shown in Fig. 1,
Fig. 4 is a perspective view of the baffle plate assembly shown in Fig. 3 fully
assembled,
Fig. 5 is an exploded view of the baffle plate assembly shown in Fig. 3 having
an additional baffle guide plate;
Fig. 6 is a perspective view of the baffle plate assembly shown in Fig. 5 fully
assembled;
Fig. 7 is an exploded view of a further construction of baffle plate assembly
component for use with the baffle plate assemblies shown in Figs. 1 to 6, and
Fig. 8 is a perspective view of the baffle plate assembly component shown in
Fig. 7 fully assembled.
.(, Referring to the drawingsmd initially to Figs. 1 and 2 thereof, there is illustrated an
enclosed boiler. indicated generally by the reference numeral 1, comprising a
substantially rectangular combustion enclosure 2 formed by a base wall 3 and a front
wall 4, side walls 5 and a rear wall 6 upstanding on the base wall 3, which upstanding
walls are hollow and arranged for carrying water to be heated. Also shown is a top
wall 7. The boiler 1 further comprises an interior tank 8 which extends between the
front wall 4 and the rear wall 6 of the enclosure 2 to divide the enclosure 2 into two
baffle plate assembly receiving sub-enclosures 9 and 10, each for supporting therein
at least one baffle plate assembly, indicated generally by the reference numerals 11
and 12 (see Fig. 3).
While the operation of the boiler, in accordance with the invention, does not form part
of this invention, it will be appreciated that, in use, the front wall 4, side walls 5 and
the rear wall 6 of the enclosure 2 form, with the sides of the interior tank 8 and each
baffle plate assembly 11 and 12, a passageway for flue gases through the boiler 1
from a gas inlet 13 located adjacent the base wall 3 of the enclosure 2 through the
baffle plate assembly 11 and 12 in one of the sub-enclosures 9 and 10 to a common
gas flue 14 located in the top wall 7 of the enclosure 2.
With reference now to Figs. 3 and 4, the method of manufacturing the baffle plate
assemblies shown in Fig. 1 will now be described. in which reference will be made to
the formation of a single baffle plate assembly, indicated generally by the reference
numeral 11. Shown in Fig. 3 is a front baffle mounting plate 20, a top baffle mounting
plate 22 and a baffle dividing plate 24 having side faces 26 and 27 (view obscured)
and an upward facing peripheral edge 28, a downward facing peripheral edge 30, a
front facing peripheral edge 32 and a rear facing peripheral edge 34. The baffle
dividing plate 24 is formed with a plurality of protruding tabs 36 on the upward facing
peripheral edge 28 for engagement with respective notches 38 in the top baffle
mounting plate 22. The baffle dividing plate 24 also comprises at least one
protruding tab 40 on its front facing edge 32 for engagement with a respective notch
42 in the front baffle mounting plate 20 to together define there between an opening
(see Fig. 4) through which flue gases move.
. it does not require any description to explain how the front baffle mounting plate 20,
top baffle mounting plate 22 and baffle dividing plate 24 and associated tabs and
notches are respectively formed as known fabrication and machining methods may
be used.
Also shown is a rectangular base plate, indicated generally by the reference numeral
46, out of which has been cut a notch 48 to form a substantially U-shaped baffle
guide plate 50 having two elongate baffle dividing plate embracing legs 52 and 54. A
U-shaped channel forming bend line 56 is cut (for example, by laser cutting) in the leg
54 intermediate its ends and a baffle guide plate receiving notch 58 is cut in the rear
facing peripheral edge 34 of the baffle dividing plate 24. The baffle dividing plate
embracing leg 54 is then bent upwards about the U-shaped channel forming bend
line 56 and the baffle guide plate 50 formed is then inserted into the baffle guide plate
receiving notch 58 so that the baffle dividing plate embracing legs 52 and 54 extend
around the side faces 26 and 27 of the baffle dividing plate 24. The baffle guide plate
50 is then tack welded to the sides 26 and 27 of the baffle dividing plate 24. In the
instance shown, the front baffle mounting plate 20 also includes a baffle assembly
manipulation hole 60 which may be used by an operator to manipulate the baffle
plate assembly 11 into position within one of the baffle plate assembly receiving sub-
enclosure 9 and 10 (see Fig. 1).
Fig. 4 shows a baffle plate assembly 11 fully assembled which is ready to be inserted
into one of the baffle plate assembly receiving sub-enclosures 9 and 10 of the boiler
1, as shown in Figs. 1 and 2. it should be appreciated that the baffle plate assembly
12 shown in Fig. 1 is identical to the baffle plate assembly 11 shown in Fig. 4. When
inserted, the baffle dividing plate embracing legs 52 and 54 tom, with the side walls 5
and the rear wall 6 of the enclosure 2 and the inward facing surfaces of the front
baffle mounting plate 20 and top baffle mounting plate 22, a passageway for directing
gases through the opening 44 and then around the front peripheral edge 32 of the
baffle dividing plate 24 and along one side 26 of the baffle dividing plate 24 between
the top baffle mounting plate 22 and the baffle dividing plate embracing leg 52 and
then around the rear peripheral edge 34 and along the other side face 27 of the baffle
dividing plate 24 between the top baffle mounting plate 22 and the baffle dividing
plate embracing leg 54. The gases then flow up the bent portion of the baffle dividing
plate embracing leg 54 and through an opening 62 formed in the top baffle mounting
plate 22 to the gas flue 14 (see Fig. 1).
With reference now to Figs. 5 and 6, there is shown the baffle plate assembly
illustrated in Fig. 4, again identified by the same reference numeral 11, comprising a
further baffle guide plate 64, which baffle guide plate is also U-shaped having two
elongate baffle dividing plate embracing legs 66 and 68. in the instance shown, a U-
Hr‘
‘gm
shaped channel forming bend line 70 is cut in the leg 66 intermediate its ends and a
further baffle guide plate receiving notch 72 is also cut in the rear facing peripheral
edge 34 of the baffle dividing plate 24. The baffle dividing plate embracing leg 66 is
then bent upwards about the U-shaped channel forming bend line 70 and the baffle
guide plate 64 formed is then inserted into the receiving notch 72 so that the baffle
dividing plate embracing legs 66 and 68 extend around the side faces 26 and 27 of
the baffle dividing plate 24. The baffle guide plate 64 is also tack welded to the sides
26 and 27 of the baffle dividing plate 24. In the instance shown, the baffle dividing
plate 24 comprises an additional tab 41 which is received into a further receiving
notch 72 fonned in the front mounting plate 20.
Fig. 6 shows a baffle plate assembly 11 fully assembled with a pair of baffle guide
plates 50 and 64 mounted to the baffle dividing plate 24, which baffle plate assembly
is ready to be inserted into one of the baffle plate assembly receiving sub—enc|osures
and 10 of the boiler 1, as shown in Figs. 1 and 2.
It should be appreciated that, when inserted, the baffle dividing plate embracing legs
66 and 68 form, with the side walls 5 and the rear wall 6 of the enclosure 2 and the
inward facing surfaces of the front baffle mounting plate 20 and the downward facing
surface of the baffle guide plate 50, an additional passageway level for directing
gases through the opening 44 and then around the front peripheral edge 32 of the
baffle dividing plate 24 and along one side 28 of the baffle dividing plate 24 between
the downward facing surface of the baffle dividing plate embracing leg 52 and the
upward facing surface of the baffle dividing plate embracing leg 68, then around the
rear peripheral edge 34 and along the other side face 26 of the baffle dividing plate
24, this time between the downward facing surface of the baffle dividing plate
embracing leg 54 and the upward facing surface of the baffle dividing plate
embracing leg 66. _The gases then flow up the bent portion of the baffle dividing plate
embracing leg‘ 66 and then again around the front peripheral edge 32 of the baffle
dividing plate 24 between an opening 74 formed between the protruding tabs 40 and
41. The gases then continue through the baffle plate assembly 11 around the baffle
guide plate 50 and out of the gas flue as described above.
Figs. 7 and 8 both show a construction for a baffle plate assembly extension
component, indicated generally by the reference numeral 75, for use with the baffle
plate assembly 11 shown in Figs. 3 to 6. In the instance shown, the baffle plate
assembly extension component 75 comprises a baffle plate assembly extension
component dividing plate 76 having an upward facing peripheral edge 84 which
provides a landing or mounting surface for receiving thereon the baffle dividing plate
24 (of the baffle plate assembly 11).
positioned substantially vertically on top of the baffle plate assembly extension
In use, the baffle plate assembly 11 is
component 75 to provide an extended passageway for flue gases through the
enclosure 2. The downward facing peripheral edge 30 of the baffle dividing plate 24
is positioned on the upward facing peripheral edge 84 of the baffle plate assembly
extension component dividing plate 76 when in the boiler sub-enclosure. The baffle
plate assembly extension component dividing plate 76 also comprises a pair of
protruding tabs 78 and 80.
Also shown is a baffle plate assembly extension component guide plate 82, which is
formed in the same way as the baffle guide plates 50 and 64 of the baffle plate
assembly 11 to have a pair of U—shaped elongate baffle plate assembly extension
component dividing plate embracing legs 86 and 88. The baffle plate assembly
extension component guide plate 82 is inserted into a notch 85 cut out of the dividing
plate 76 so that the baffle plate assembly extension component dividing plate
embracing legs 86 and 88 also extend around the side faces of the baffle plate
assembly extension component dividing plate 76. The embracing leg 88 comprises a
U—shaped channel fonning bend line 90, about which bend line 90 the leg 88 is bent
upwards so that the leg 88 follows the contour of the tab 78.
It should be appreciated that when the baffle plate assembly extension component
guide plate 82 is inserted onto the dividing plate 76 and then placed into a boiler with
the baffle assembly 11 a passageway for flue gases is then created. In the instance
shown, the passageway extends through an opening 92 and then around the sides of
the dividing plate 76 (between the underside of the embracing leg 50 and the upward
facing surfaces of embracing legs 86 and 88) and then up the bend formed in the
embracing leg 88 and into the opening 44 of the baffle plate assembly 11 (see Fig.
4). The flue gases then proceed through the baffle plate assembly as described
above with respect to Figs. 3 to 6 and out of the gas flue as described above.
The invention is not limited to the embodiment hereinbefore described, but may be
varied in both construction and detail within the scope of the claims.
Claims (5)
1. A method of manufacturing a baffle plate assembly for an enclosed boiler of the type comprising: a substantially rectangular combustion enclosure formed by a base wall, upstanding front, side and rear walls on the base wall. and a top wall, in which at least a portion of the upstanding front, side and rear walls arranged for carrying water to be heated; at least one interior tank in the enclosure, which tank extends between the front and rear walls of the enclosure to divide the enclosure in two baffle plate assembly receiving sub-enclosures, each for supporting therein at least one baffle plate assembly, the front, rear and side enclosure walls forming, with the each baffle plate assembly and the enclosure walls, a passageway for flue gases through the boiler from a gas inlet located adjacent the base wall of the enclosure through the baffle plate assembly in one of the sub- enclosures to a common gas flue located in the top wall of the enclosure, the method comprising the steps, not necessarily sequentially of: Ix forming a front baffle mounting plate, a top baffle mounting plate and at least one baffle dividing plate having a pair of side faces and an upward, a downward and front and rear facing peripheral edges, the baffle dividing plate being formed with a plurality of protruding tabs on its “upward facing peripheral edge for engagement with respective notches in the top baffle mounting plate. which baffle dividing plate also comprises a plurality of protruding tabs on its front facing edge for engagement with respective notches in the front baffle mounting plate to define there between an opening through which flue gases move; cutting a notch in at least one substantially rectangular base plate to form a substantially U-shaped baffle guide plate having two elongate baffle dividing plate embracing legs; cutting a U-shaped channel forming bend line in one of the legs intermediate its ends; cutting at least one baffle guide plate receiving notch in the rear facing peripheral edge of the baffle dividing plate; bending the baffle dividing plate embracing leg upwards about the U- shaped channel forming bend line; inserting the baffle guide plate fonned into the baffle guide plate receiving notch so that the baffle dividing plate embracing legs extend around the side faces of baffle dividing plate and are tack welded to the sides of the baffle dividing plate to form, with the side and rear walls of the enclosure and the front and top baffle mounting plates, a baffle assembly passageway for directing flue gases through the opening between the front baffle plate and baffle dividing plate and then around the front edge of the baffle dividing plate and along one side face of the baffle dividing plate between the top baffle mounting plate and one of the elongate baffle dividing plate embracing legs and then around the rear peripheral edge of the baffle dividing plate and along the other side face of the baffle dividing plate between the top baffle mounting plate and other of the elongate baffle dividing plate embracing legs and then up the bent portion of the baffle dividing plate embracing leg and *5 through an opening in the top baffle mounting plate to the gas flue.
A method as claimed in claim in preceding claim, in which a further baffle guide plate having two elongate baffle dividing plate embracing legs is formed and inserted into a further receiving notch cutout of the rear peripheral edge of the baffle dividing plate, the baffle guide plate then being tack welded to the sides of the baffle dividing plate.
3. A method as claimed in any preceding claim, comprising the further step of forming a baffle plate assembly extension component, the baffle plate assembly being positioned, when in the enclosure, substantially vertically on top 5 of the baffle plate assembly extension component to provide an extended passageway for flue gases through the enclosure.
4. A method as claimed in claim 3, in which the baffle plate assembly extension component is formed with a baffle plate assembly extension component 10 dividing plate having an upward facing peripheral edge which provides a landing or mounting surface for receiving thereon the baffle dividing plate of the baffle plate assembly.
5. A method of constructing a baffle plate assembly substantially as hereinbefore 15 described with reference to and as illustrated in the accompanying drawings.
Publications (2)
Publication Number | Publication Date |
---|---|
IE20060029U1 IE20060029U1 (en) | 2006-09-20 |
IES84345Y1 true IES84345Y1 (en) | 2006-09-20 |
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