EP3329201B1 - Tube heat exchanger casing - Google Patents
Tube heat exchanger casing Download PDFInfo
- Publication number
- EP3329201B1 EP3329201B1 EP16756816.1A EP16756816A EP3329201B1 EP 3329201 B1 EP3329201 B1 EP 3329201B1 EP 16756816 A EP16756816 A EP 16756816A EP 3329201 B1 EP3329201 B1 EP 3329201B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- combustion chamber
- jacket
- casing
- heat exchanger
- wall
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000002485 combustion reaction Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 235000004522 Pentaglottis sempervirens Nutrition 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
- F24H1/24—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers
- F24H1/26—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle forming an integral body
- F24H1/28—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle forming an integral body including one or more furnace or fire tubes
- F24H1/287—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle forming an integral body including one or more furnace or fire tubes with the fire tubes arranged in line with the combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2275/00—Fastening; Joining
- F28F2275/06—Fastening; Joining by welding
Definitions
- the invention concerns the casing of a tube heat exchanger.
- the corrosion resistance and fatigue strength of the welds are far lower than those demonstrated by the material of which the heat exchanger casing is made:
- the purpose of the invention is to improve the corrosion resistance and fatigue strength of the casing of a heat exchanger.
- the purpose was achieved by reducing the number of elements bound together with welds, which are most exposed to the potential development of corrosion spots and concentration of mechanical stress.
- a casing of a tube heat exchanger which, on the top, closes a wall of a combustion chamber placed inside a jacked fitted with openings to accommodate a stub pipes for the supply and discharge of the heated liquid, where the wall of the combustion chamber is shaped to form a container open on the top with its bottom formed to make an upper sieve bottom, the container encased in the jacket, where the jacket is welded on the top to the top section of the combustion chamber wall.
- the casing is characterised in that there is only one weld in the casing, where the jacket is given the shape of the container open on the top with its bottom formed to make a lower sieve bottom.
- the structure of the casing according to the invention improves its durability substantially.
- a casing of the tube heat exchanger joins together, in its top section, a wall 1 of a combustion chamber and a jacket 4 which encases the wall 1 of the combustion chamber with flame pipes fitted under the combustion chamber (not shown on the drawing), where the combustion chamber is shaped to form a container open on the top, with its bottom formed to make the upper sieve bottom 2.
- Jacket 4 too, is shaped into a container open on the top with the bottom formed to make the lower sieve bottom 5.
- the wall 1 of the combustion chamber is placed inside the jacket 4, where the wall 1 of the combustion chamber is bound at the top to the top section of jacket 2 with a weld 3.
- At the bottom of the side wall of jacket 4 there is an opening 7 to accommodate the stub pipe for the supply of the heated liquid, and at its top there is an opening 8 to accommodate the stub pipe for the discharge of the heated liquid.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Description
- The invention concerns the casing of a tube heat exchanger.
- In known tube heat exchangers, there are many welds on the casings in places where individual casing fragments made as separate elements are bound together.
- The corrosion resistance and fatigue strength of the welds are far lower than those demonstrated by the material of which the heat exchanger casing is made:
The purpose of the invention is to improve the corrosion resistance and fatigue strength of the casing of a heat exchanger. - The purpose was achieved by reducing the number of elements bound together with welds, which are most exposed to the potential development of corrosion spots and concentration of mechanical stress.
- A casing of a tube heat exchanger which, on the top, closes a wall of a combustion chamber placed inside a jacked fitted with openings to accommodate a stub pipes for the supply and discharge of the heated liquid, where the wall of the combustion chamber is shaped to form a container open on the top with its bottom formed to make an upper sieve bottom, the container encased in the jacket, where the jacket is welded on the top to the top section of the combustion chamber wall. According to the invention, the casing is characterised in that there is only one weld in the casing, where the jacket is given the shape of the container open on the top with its bottom formed to make a lower sieve bottom.
- The structure of the casing according to the invention improves its durability substantially.
- Further benefits and advantages of the present invention will become apparent after a careful reading of the detailed description with appropriate reference to the accompanying drawings.
- In the drawings:
-
Fig. 1 shows the casing in isometric projection without the welds in view, -
Fig. 2 - the casing with a single weld, in axial section; -
Fig. 3 - the casing in a bird's eye view, without the welds visible. - In the embodiment of the invention featuring a single weld, as shown on
Fig. 2 , a casing of the tube heat exchanger joins together, in its top section, awall 1 of a combustion chamber and ajacket 4 which encases thewall 1 of the combustion chamber with flame pipes fitted under the combustion chamber (not shown on the drawing), where the combustion chamber is shaped to form a container open on the top, with its bottom formed to make theupper sieve bottom 2.Jacket 4, too, is shaped into a container open on the top with the bottom formed to make thelower sieve bottom 5. Thewall 1 of the combustion chamber is placed inside thejacket 4, where thewall 1 of the combustion chamber is bound at the top to the top section ofjacket 2 with aweld 3. At the bottom of the side wall ofjacket 4 there is anopening 7 to accommodate the stub pipe for the supply of the heated liquid, and at its top there is anopening 8 to accommodate the stub pipe for the discharge of the heated liquid.
Claims (1)
- A casing of a tube heat exchanger which, on the top, closes a wall of a combustion chamber placed inside a jacked fitted with openings to accommodate stub pipes for the supply and discharge of the heated liquid, where the wall (1) of the combustion chamber is shaped to form a container open on the top with its bottom formed to make an upper sieve bottom (2), the container encased in the jacket (4), where the jacket (4) is bound on the top with a weld (3) to the top section of the combustion chamber wall, characterised in that there is only one weld in it, where the jacket (4) is given the shape of a container open on the top, with its bottom formed to make a lower sieve bottom (5).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL16756816T PL3329201T3 (en) | 2015-07-05 | 2016-06-30 | Tube heat exchanger casing |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL413024A PL229351B1 (en) | 2015-07-05 | 2015-07-05 | Sheathing of tubular heat exchanger |
PCT/PL2016/000071 WO2017007352A1 (en) | 2015-07-05 | 2016-06-30 | Tube heat exchanger casing |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3329201A1 EP3329201A1 (en) | 2018-06-06 |
EP3329201B1 true EP3329201B1 (en) | 2019-08-07 |
Family
ID=56799521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16756816.1A Active EP3329201B1 (en) | 2015-07-05 | 2016-06-30 | Tube heat exchanger casing |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3329201B1 (en) |
ES (1) | ES2746965T3 (en) |
PL (2) | PL229351B1 (en) |
WO (1) | WO2017007352A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20180372413A1 (en) | 2017-06-22 | 2018-12-27 | Rheem Manufacturing Company | Heat Exchanger Tubes And Tube Assembly Configurations |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT247800Y1 (en) * | 1999-12-02 | 2002-09-10 | R I Stampi Articoli Ind Di Zen | COMPONENT FOR LIQUID / AIR-HEAT EXCHANGER |
ITMI20080408A1 (en) * | 2008-03-10 | 2009-09-11 | Ferroli Spa | HEAT EXCHANGER, PARTICULARLY FOR THERMAL GENERATORS. |
US8813688B2 (en) * | 2010-12-01 | 2014-08-26 | Aic S.A. | Heat exchanger |
PL220726B1 (en) * | 2011-09-29 | 2015-12-31 | Aic Spółka Akcyjna | Heat exchanger for a condensing boiler |
KR101504394B1 (en) * | 2012-01-19 | 2015-03-19 | 최성환 | Hot water storage type condensing boiler having multistage structure |
-
2015
- 2015-07-05 PL PL413024A patent/PL229351B1/en unknown
-
2016
- 2016-06-30 WO PCT/PL2016/000071 patent/WO2017007352A1/en active Application Filing
- 2016-06-30 PL PL16756816T patent/PL3329201T3/en unknown
- 2016-06-30 EP EP16756816.1A patent/EP3329201B1/en active Active
- 2016-06-30 ES ES16756816T patent/ES2746965T3/en active Active
Non-Patent Citations (1)
Title |
---|
None * |
Also Published As
Publication number | Publication date |
---|---|
EP3329201A1 (en) | 2018-06-06 |
ES2746965T3 (en) | 2020-03-09 |
WO2017007352A1 (en) | 2017-01-12 |
PL413024A1 (en) | 2017-01-16 |
PL3329201T3 (en) | 2020-01-31 |
PL229351B1 (en) | 2018-07-31 |
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