EP1351026A1 - Methode und Verbindungselement zur Befüllung von Heizungsanlagen - Google Patents
Methode und Verbindungselement zur Befüllung von Heizungsanlagen Download PDFInfo
- Publication number
- EP1351026A1 EP1351026A1 EP02396045A EP02396045A EP1351026A1 EP 1351026 A1 EP1351026 A1 EP 1351026A1 EP 02396045 A EP02396045 A EP 02396045A EP 02396045 A EP02396045 A EP 02396045A EP 1351026 A1 EP1351026 A1 EP 1351026A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- piping system
- filling
- piping
- connecting element
- filled
- 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.)
- Withdrawn
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 10
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000013022 venting Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
- F24D3/1083—Filling valves or arrangements for filling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/08—Arrangements for drainage, venting or aerating
- F24D19/082—Arrangements for drainage, venting or aerating for water heating systems
Definitions
- Heating systems with liquid circulation are full of air before they are filled.
- the air is compressed and rises to the topmost parts of the piping system which are located, where the air is removed through venting screws in the radiators.
- the air removal performed during the filling of the piping system is an operation requiring a great deal of work.
- This invention comprises a method and an apparatus, with the aid of which it is possible to completely abandon venting made at the radiators.
- the essential factor in the invention is that, during the filling of the piping system, one uses a flow rate which is so high that air bubbles travel in the flow downwards in the field of gravity in the vertical heating pipes, whereby the air in the piping system can be removed from the piping at the filling point.
- the rise velocity of a bubble in water is proportional to the square root of the diameter of the bubble.
- the resistance coefficient of a spherical body is required for the calculation. According to information in literature it is about 0.5, the Reynolds number being between 1,000 and 200,000. If the diameter of the bubble is 5 mm, then a calculation with the resistance coefficient of 0.5 gives 0.36 m/s as the rise velocity of the bubble. In the example cases the Reynolds number is 2200, as calculated by viscosity values corresponding to a water temperature of 30 °C.
- a considerably large liquid flow must be supplied to the piping system and removed from the system in order to remove the air bubbles from the piping system. This is not possible e.g. through the taps used normally for filling and emptying. Substantially larger flow orifices are required.
- the required large liquid flow can be supplied and removed with the aid of connecting elements according to the invention without making any extra changes in the piping. It is also possible to use the large flow supplied to the piping system and removed from it for a mechanical cleaning of the piping system.
- Figure 1 shows a principle with the aid of which the method and components according to the invention can be utilised.
- the liquid is supplied into the piping system through a supply opening 1 therein, so that the radiators are filled from the return side, and the air in the piping system is carried through the radiator valves into the input pipes of the heat piping system.
- the liquid flow rate is sufficiently high, then the air bubbles are carried with the liquid in the vertical return pipes downwards and further out from the piping system via a discharge opening 2.
- the piping section between the supply opening 1 and the discharge opening 2 is hydraulically shut off.
- Figure 2 shows a typical heat piping pump in cross section.
- the motor of the pump is fastened by a bolt joint to the pump housing 4.
- the bolt joint When the bolt joint is opened the impeller fastened to the motor axis and the motor will come off as one unit. Only the pump housing 4 is left in the piping system.
- a connecting element 3 is fastened to the pump housing 4 according to figure 3. This creates the required supply opening 1 and discharge opening 2.
- the seal 5 between the connecting element 3 and the pump housing 4 shuts off the hydraulic connection between the supply opening 1 and the discharge opening 2.
- German patent publication 197 09 700 presents an equipment which is primarily intended for the cleaning of heat exchangers, where the connecting parts enabling supply of the cleaning liquid are fastened between the heat exchanger and the flanges of the piping, both on the input and discharge sides.
- the connecting parts have a flow barrier, so that the heat exchanger is disconnected from the piping system in the flow sense.
- An application according to the invention utilises a single connecting element, which is connected to the housing of the centrifugal pump or instead of the pump of the piping system being the object of the actions.
- the liquid is circulated through the whole heating system.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Pipeline Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02396045A EP1351026A1 (de) | 2002-04-04 | 2002-04-04 | Methode und Verbindungselement zur Befüllung von Heizungsanlagen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP02396045A EP1351026A1 (de) | 2002-04-04 | 2002-04-04 | Methode und Verbindungselement zur Befüllung von Heizungsanlagen |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1351026A1 true EP1351026A1 (de) | 2003-10-08 |
Family
ID=27838190
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02396045A Withdrawn EP1351026A1 (de) | 2002-04-04 | 2002-04-04 | Methode und Verbindungselement zur Befüllung von Heizungsanlagen |
Country Status (1)
Country | Link |
---|---|
EP (1) | EP1351026A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101619870B (zh) * | 2008-07-03 | 2012-07-18 | 鞍钢集团房产物业公司 | 民用采暖分户改造设计中的防冻结构 |
CN101799186B (zh) * | 2009-06-08 | 2012-09-26 | 鲁卫国 | 正装反串垂直温差循环出水加热回水全热*** |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2710664A (en) * | 1952-05-15 | 1955-06-14 | Joseph J Blackmore | Water deaeration |
GB1301424A (de) * | 1970-03-02 | 1972-12-29 | ||
EP0430309A2 (de) * | 1985-11-07 | 1991-06-05 | F.W. Oventrop KG | Strangregulierventil |
DE4210735A1 (de) * | 1992-04-01 | 1993-10-07 | Norbert Harlander | Heizungsverteiler |
DE29518774U1 (de) * | 1995-11-27 | 1996-02-08 | Faßbender, Josef, 53842 Troisdorf | Hilfsgerät für die Füllung, Entleerung und Entlüftung einer Heizungsanlage, Warmwasserbereitungsanlage u.dgl. |
EP0728992A2 (de) * | 1995-02-25 | 1996-08-28 | Anton Hummel Verwaltungs GmbH | Vorrichtung zum Entleeren und Füllen von Heizkörpern |
DE29709505U1 (de) * | 1997-05-31 | 1997-08-21 | Honeywell Ag, 63067 Offenbach | Füllarmatur |
FI108961B (fi) * | 2000-10-09 | 2002-04-30 | Tekno Innovaatio Oy | Menetelmä ja yhdysosa lämmitysjärjestelmien täyttöön |
-
2002
- 2002-04-04 EP EP02396045A patent/EP1351026A1/de not_active Withdrawn
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2710664A (en) * | 1952-05-15 | 1955-06-14 | Joseph J Blackmore | Water deaeration |
GB1301424A (de) * | 1970-03-02 | 1972-12-29 | ||
EP0430309A2 (de) * | 1985-11-07 | 1991-06-05 | F.W. Oventrop KG | Strangregulierventil |
DE4210735A1 (de) * | 1992-04-01 | 1993-10-07 | Norbert Harlander | Heizungsverteiler |
EP0728992A2 (de) * | 1995-02-25 | 1996-08-28 | Anton Hummel Verwaltungs GmbH | Vorrichtung zum Entleeren und Füllen von Heizkörpern |
DE29518774U1 (de) * | 1995-11-27 | 1996-02-08 | Faßbender, Josef, 53842 Troisdorf | Hilfsgerät für die Füllung, Entleerung und Entlüftung einer Heizungsanlage, Warmwasserbereitungsanlage u.dgl. |
DE29709505U1 (de) * | 1997-05-31 | 1997-08-21 | Honeywell Ag, 63067 Offenbach | Füllarmatur |
FI108961B (fi) * | 2000-10-09 | 2002-04-30 | Tekno Innovaatio Oy | Menetelmä ja yhdysosa lämmitysjärjestelmien täyttöön |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101619870B (zh) * | 2008-07-03 | 2012-07-18 | 鞍钢集团房产物业公司 | 民用采暖分户改造设计中的防冻结构 |
CN101799186B (zh) * | 2009-06-08 | 2012-09-26 | 鲁卫国 | 正装反串垂直温差循环出水加热回水全热*** |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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AX | Request for extension of the european patent |
Extension state: AL LT LV MK RO SI |
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AKX | Designation fees paid | ||
REG | Reference to a national code |
Ref country code: DE Ref legal event code: 8566 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20040409 |