EP2195575B1 - Dampferzeuger für überhitzten dampf - Google Patents
Dampferzeuger für überhitzten dampf Download PDFInfo
- Publication number
- EP2195575B1 EP2195575B1 EP08787068.9A EP08787068A EP2195575B1 EP 2195575 B1 EP2195575 B1 EP 2195575B1 EP 08787068 A EP08787068 A EP 08787068A EP 2195575 B1 EP2195575 B1 EP 2195575B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pipe segment
- wound
- generator according
- overheated steam
- electric resistor
- 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
- 230000000295 complement effect Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 description 13
- 238000004804 winding Methods 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22G—SUPERHEATING OF STEAM
- F22G1/00—Steam superheating characterised by heating method
- F22G1/16—Steam superheating characterised by heating method by using a separate heat source independent from heat supply of the steam boiler, e.g. by electricity, by auxiliary combustion of fuel oil
- F22G1/165—Steam superheating characterised by heating method by using a separate heat source independent from heat supply of the steam boiler, e.g. by electricity, by auxiliary combustion of fuel oil by electricity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
- F22B1/282—Methods of steam generation characterised by form of heating method in boilers heated electrically with water or steam circulating in tubes or ducts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22G—SUPERHEATING OF STEAM
- F22G3/00—Steam superheaters characterised by constructional features; Details of component parts thereof
- F22G3/005—Annular steam tubes, i.e. the steam being heated between concentric tubes with the heating fluid flowing in inner and around outer tube
Definitions
- the present invention relates to a device for generating overheated steam.
- Devices adapted to generate overheated steam comprise, in general, two stages:
- a typical electric device for generating overheated steam includes a pipe about which an electric resistor is wound for a length such as to allow to transfer the heat necessary for the purpose.
- Such a device typology is particularly cumbersome and not very efficient due to the fact that a heat portion is transferred from the resistor to the environment instead of to the fluid.
- An example of this type of steam generator is disclosed in GB 886 189 .
- Another overheated steam generator includes a first pipe through which the fluid flows, about which an electric winding is wound.
- Said winding crossed by the electric current, generates a magnetic field which is interconnected both with the fluid circulating in said first pipe and with the fluid circulating in a further pipe externally and spirally wound thereabout, despite being electrically insulated therefrom.
- the fluid is heated by the energy transferred to the fluid from the interconnected magnetic flux.
- the magnetic induction is proportional to the number of turns and to the intensity of the circulating current, therefore in order to generate a sufficiently intense field, a winding made of a copper wire of large section and long length so as to form a great number of turns must be used.
- the present invention intends to reach the afore-discussed objects by making a overheated steam generator having the features of claim 1.
- said device is easy to be applied when generating overheated steam is needed, despite having a small available space and limited energy resources.
- the fluid flow passes to the gaseous state, becoming wet steam, passing through said rectilinear segment and receiving, from said electric resistor, the heat which spreads inwards the cylindrical surface formed by the resistor.
- the fluid flow is provided for crossing said device in the opposite direction as compared to what shown in the figure, so that the device externally has a temperature limited to the boiling temperature of the fluid itself, further increasing the performance of the device.
- further layers of pipe winding 2 are provided for forming as many concentric tube bundles to further increase the performance of the device.
- the external temperature of the device is almost that of the fluid entering the same, subsequently, as the fluid progressively flows through the increasingly more internal tube bundles of the pipe, the fluid gradually acquires more heat until the overheated steam stage is reached, until it is released from the rectilinear segment.
- the electric resistor 3 in a section view takes a complementary course with respect to the tube bundle which is overlapping the rectilinear pipe segment, instead of forming a cylindrical layer or a solenoid, so as to fill the gaps between said rectilinear segment and said wound segment.
- said course is sinusoidal.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Resistance Heating (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Claims (6)
- Dampfgenerator, insbesondere für die Erzeugung von überhitztem Dampf, umfassend:- ein geradliniges Rohrsegment (1);- einen elektrischen Widerstand (3), der um das geradlinige Rohrsegment gewickelt und durch eine elektrische Quelle beliefert ist;- ein gewickeltes Rohrsegment (2), von dem ein Ende mit dem rechtwinkligen Rohrsegment verbunden ist und das gewickelt ist, um eine zylindrische Spirale zu bilden, die den elektrischen Widerstand bedeckt,
dadurch gekennzeichnet, dass der elektrische Widerstand (3) so ausgebildet ist, dass er in einer Schnittansicht einen komplementären Verlauf in Bezug auf das gewickelte Rohrsegment annimmt, wodurch die Spalte zwischen dem rechtwinkligen Rohrsegment und dem gewickelten Rohrsegment gefüllt sind. - Generator nach Anspruch 1, wobei das gewickelte Rohrsegment (2) eine zylindrische Spirale bildet, die zumindest eine Rohrbündelschicht bildet.
- Generator nach Anspruch 2, wobei das Rohrbündel durch Seite an Seite platzierte Rohre gebildet ist.
- Generator nach Anspruch 2, wobei weitere Rohrbündel, die durch das gewickelte Rohrsegment (2) gebildet sind, konzentrisch sind.
- Generator nach Anspruch 1, wobei der elektrische Widerstand (3) ein Solenoid bildet.
- Generator nach Anspruch 1, wobei der komplementäre Verlauf eine Sinusform besitzt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITRM20070434 ITRM20070434A1 (it) | 2007-08-09 | 2007-08-09 | Generatore di vapore surriscaldato |
PCT/EP2008/060484 WO2009019315A2 (en) | 2007-08-09 | 2008-08-08 | Overheated steam generator |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2195575A2 EP2195575A2 (de) | 2010-06-16 |
EP2195575B1 true EP2195575B1 (de) | 2016-12-28 |
Family
ID=40299894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08787068.9A Active EP2195575B1 (de) | 2007-08-09 | 2008-08-08 | Dampferzeuger für überhitzten dampf |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2195575B1 (de) |
IT (1) | ITRM20070434A1 (de) |
WO (1) | WO2009019315A2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020076245A1 (en) | 2018-10-12 | 2020-04-16 | Guemues Mustafa | Saturated/superheated steam or hot air generator |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6679818B2 (ja) * | 2017-03-07 | 2020-04-15 | 株式会社実践環境研究所 | 熱分解システム |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB886189A (en) * | 1959-02-26 | 1962-01-03 | Atomic Energy Authority Uk | Improvements in or relating to liquid evaporating apparatus |
DE3120682A1 (de) * | 1981-05-23 | 1982-12-16 | Horst 5241 Elben Hammes | Elektrisch beheizter zwangsdurchlauferhitzer |
US5549078A (en) * | 1994-11-21 | 1996-08-27 | Annecharico; Robert L. | Device for superheating steam |
FR2878419B1 (fr) * | 2004-11-29 | 2007-01-19 | Seb Sa | Distributeur de boissons infusees comprenant une chaudiere amelioree et son procede de fabrication |
US7552701B2 (en) * | 2006-05-16 | 2009-06-30 | Shell Oil Company | Boiler for making super heated steam and its use |
-
2007
- 2007-08-09 IT ITRM20070434 patent/ITRM20070434A1/it unknown
-
2008
- 2008-08-08 EP EP08787068.9A patent/EP2195575B1/de active Active
- 2008-08-08 WO PCT/EP2008/060484 patent/WO2009019315A2/en active Application Filing
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020076245A1 (en) | 2018-10-12 | 2020-04-16 | Guemues Mustafa | Saturated/superheated steam or hot air generator |
Also Published As
Publication number | Publication date |
---|---|
WO2009019315A2 (en) | 2009-02-12 |
ITRM20070434A1 (it) | 2009-02-10 |
WO2009019315A3 (en) | 2009-04-23 |
EP2195575A2 (de) | 2010-06-16 |
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