EP1855060A2 - Procédé de dégazage et/ou de maintien de la pression dans un circuit d'eau fermé - Google Patents

Procédé de dégazage et/ou de maintien de la pression dans un circuit d'eau fermé Download PDF

Info

Publication number
EP1855060A2
EP1855060A2 EP07006001A EP07006001A EP1855060A2 EP 1855060 A2 EP1855060 A2 EP 1855060A2 EP 07006001 A EP07006001 A EP 07006001A EP 07006001 A EP07006001 A EP 07006001A EP 1855060 A2 EP1855060 A2 EP 1855060A2
Authority
EP
European Patent Office
Prior art keywords
container
water
valve
inlet
pressure
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.)
Granted
Application number
EP07006001A
Other languages
German (de)
English (en)
Other versions
EP1855060B1 (fr
EP1855060A3 (fr
Inventor
Matthias Feld
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
REFLEX WINKELMANN GmbH
Original Assignee
Reflex Winkelmann & Co KG GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Reflex Winkelmann & Co KG GmbH filed Critical Reflex Winkelmann & Co KG GmbH
Priority to SI200732061T priority Critical patent/SI1855060T1/sl
Priority to PL07006001T priority patent/PL1855060T3/pl
Publication of EP1855060A2 publication Critical patent/EP1855060A2/fr
Publication of EP1855060A3 publication Critical patent/EP1855060A3/fr
Application granted granted Critical
Publication of EP1855060B1 publication Critical patent/EP1855060B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F24D3/1008—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system expansion tanks
    • 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
    • F24D19/083—Venting arrangements
    • 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
    • F24D3/04—Hot-water central heating systems with the water under high pressure
    • F24D3/06—Arrangements or devices for maintaining high pressure
    • 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
    • F24D3/1008—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system expansion tanks
    • F24D3/1016—Tanks having a bladder

Definitions

  • the invention relates to a method for degassing and / or pressure maintenance in a closed water cycle with at least one container for degassing and / or pressure maintenance, which is supplied via at least one inlet water from the closed water cycle and discharged from which at least one drain water in the closed water cycle is, wherein the promotion of water from the container into the water cycle by at least one arranged in the flow, connected to a control pump, wherein the control in addition to the at least one pump controls a valve provided in the inlet controls.
  • An apparatus of the applicant for carrying out such a method for pressure maintenance has a system pressure control and at least one water collecting container. If the system pressure falls below a set target pressure, at least one pump will start up and pump water from a catch tank into the closed water circuit until a pre-set switch-off pressure is reached. If, on the other hand, the system pressure rises, at least one overflow valve opens in the inlet to the tank and water from the system is directed into the catch tank. This overflow valve is usually formed by a solenoid valve. If in addition a make-up is provided, falls below a predetermined filling level levels in the collecting container via a Nachspeisemagnetventil water fed into the collecting container up to an upper predetermined level state.
  • a device described above is in principle also suitable for degassing, this degassing takes place via a pressure release in the pressureless collecting container.
  • the operating principle of such a degassing is in a special embodiment in the document EP 0 933 109 B1 the applicant described.
  • the pump is started to pump water out of the container into the water circuit and the shut-off element designed as a solenoid valve is opened by the controller.
  • the suction process creates a negative pressure in the container into which the water to be degassed is preferably sprayed, whereby the degassing takes place.
  • the delivery rate of the pump is also correspondingly different, and that is according to the characteristic, the flow rate is smaller, the greater the system pressure.
  • the solenoid valve upstream of the degassing vessel behaves exactly opposite, ie the greater the system pressure, the greater the overflow quantity.
  • a throttle or the like is arranged in front of the solenoid valve. During commissioning, this throttle is adjusted so that the pump delivery rate matches the overflow rate of the solenoid valve (hydraulic balancing).
  • a disadvantage of this known method is that repeated at every pressure change of the hydraulic balance must become. Furthermore, any contamination or the like in the inlet to the container has a negative effect on the hydraulic balance.
  • solenoid valves are susceptible to contamination due to their structure. Furthermore, solenoid valves can generate pressure shocks by rapid opening and closing, which is also undesirable.
  • the object of the invention is to improve a generic method so that the required for carrying out the process structural design and the scheme is simplified.
  • This object is achieved according to the invention in a method of the type described, in that a control valve operated by an electric motor is used as the valve, which is controlled continuously by the controller as a function of the system pressure.
  • an electromotive operated control valve which is controlled continuously by the controller, i. Depending on the system pressure, the electromotive-operated control valve always automatically moves to the optimum position via the control.
  • the electromotive-operated control valve When commissioning a device for carrying out the method thus no throttles or the like need to be set, as can be completely dispensed with a throttle. It is only the control of the set pressure of the system specified. Pressure surges in the system are avoided because the electromotive operated control valve slowly closes and opens.
  • Electromotive-operated control valves such as electric motor-operated ball valves are basically for use in pipelines, for example DE 44 25 698 B4 known.
  • an electric motor operated ball valve is used as a control valve.
  • Such an electric motor operated ball valve works independently of contaminants, as they usually occur in heating circuits, i.
  • Such a ball valve is also suitable for dirty media.
  • closed water circuit may be provided in an embodiment that in the inlet of the device two parallel electric motor-operated control valves and the flow two parallel pumps are used.
  • the container is used both for degassing and for pressure maintenance, but alternatively it can also be provided that a container for degassing and another container are used for pressure maintenance, preferably both containers connected via a common electric motor-operated control valve are.
  • a device for pressure maintenance and / or degassing in a closed water cycle has for connection to the water cycle, not shown, which may be, for example, a heating circuit, an inlet 1 and a drain 2.
  • the inlet 1 opens into at least one container 3 for degassing and / or pressure maintenance.
  • the drain 2 is also connected.
  • the device has an electronic control generally designated 4, which is connected in the illustrated embodiment via different control lines with different system components.
  • a pressure sensor 5 is arranged, which is connected via a control line 5a to the controller 4.
  • an electromotive operated control valve preferably a ball valve 6, is arranged, whose electric motor 7 is connected via a control line 7a to the controller 4.
  • controller 4 is connected via a control line 8a to a pump 8 in the outlet 2.
  • container 3 may be equipped with a level control sensor 9, which is connected via a control line 9a to the controller 4.
  • a strainer 10 and downstream of the pump 8 in the process 2 a check valve 11 is provided in the inlet 1 preferably before the electric motor-operated control valve 6, a strainer 10 and downstream of the pump 8 in the process 2, a check valve 11 is provided in the inlet 1 preferably before the electric motor-operated control valve 6, a strainer 10 and downstream of the pump 8 in the process 2, a check valve 11 is provided in the inlet 1 preferably before the electric motor-operated control valve 6, a check valve 11 is provided.
  • 2 compensators 12 are arranged both in the inlet 1 and in the drain.
  • the container 3 in the interior of a water-forming membrane 15, which is provided on the upper side with a vent opening 13.
  • the container interior surrounding the membrane 15 communicates via a vent 14 with the environment and is thus pressureless.
  • a make-up line not shown, open, which allows a suitable valve a Nachspeisung of water when it is determined via the level control sensor 9 that the level has dropped below the membrane 15 of the container 3 below a predetermined level.
  • a transfer electromotive operated control valve 6 Serving as a transfer electromotive operated control valve 6 is continuously controlled by the controller 4 via a signal, such as a 0-10 volt signal, in which case the signal strength 0 volts a closed position of the control valve 6 and the maximum signal of 10 volts of a fully open position of the control valve 6 corresponds.
  • the electromotive operated control valve 6 is always driven via the controller 4 in the optimum open position. In this case, the control valve 6 operates independently of contamination, during commissioning, only the target pressure for the controller 4 must be specified.
  • the device can also be used for degassing by a pressure reduction is formed by appropriate control of pump 8 and electromotive operated control valve 6 in the container 3 and the water space forming membrane 15, through which the gases contained in the water are dissolved from the water and gaseous are discharged from the container 3 via the vent opening 13, as is basically known.
  • FIG. 2 shows a second embodiment of a device represented in which the same reference numerals as in Figure 1 are shown.
  • two electromotively operated control valves 6 are arranged in the inlet 1 in parallel and are each connected to the control 4 via control lines 6a.
  • the device may also have two containers 3, one preferably for pressure maintenance and the other only for degassing.

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)
  • Degasification And Air Bubble Elimination (AREA)
  • Physical Water Treatments (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
EP07006001.7A 2006-05-11 2007-03-23 Procédé de dégazage et/ou de maintien de la pression dans un circuit d'eau fermé Active EP1855060B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SI200732061T SI1855060T1 (sl) 2006-05-11 2007-03-23 Postopek za razplinjenje in/ali vzdrževanje tlaka v zaprtem krogotoku vode
PL07006001T PL1855060T3 (pl) 2006-05-11 2007-03-23 Sposób odgazowywania i/albo utrzymywania ciśnienia w zamkniętym obiegu wody

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006021916A DE102006021916A1 (de) 2006-05-11 2006-05-11 Vorrichtung zur Entgasung und/oder Druckhaltung in einem geschlossenen Wasserkreislauf

Publications (3)

Publication Number Publication Date
EP1855060A2 true EP1855060A2 (fr) 2007-11-14
EP1855060A3 EP1855060A3 (fr) 2010-06-02
EP1855060B1 EP1855060B1 (fr) 2018-09-12

Family

ID=38442046

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07006001.7A Active EP1855060B1 (fr) 2006-05-11 2007-03-23 Procédé de dégazage et/ou de maintien de la pression dans un circuit d'eau fermé

Country Status (10)

Country Link
EP (1) EP1855060B1 (fr)
DE (2) DE102006021916A1 (fr)
DK (1) DK1855060T3 (fr)
ES (1) ES2694500T3 (fr)
HU (1) HUE039867T2 (fr)
LT (1) LT1855060T (fr)
PL (1) PL1855060T3 (fr)
PT (1) PT1855060T (fr)
SI (1) SI1855060T1 (fr)
TR (1) TR201816345T4 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009131450A2 (fr) * 2008-04-24 2009-10-29 Flamco B.V. Système de chauffage à dispositif d'expansion
DE102010055158A1 (de) 2010-12-18 2012-06-21 Industrieelektronik Brandenburg GmbH Verfahren zur Druckregulierung in hydraulischen oder pneumatischen Systemen
WO2011110946A3 (fr) * 2010-03-11 2013-08-08 Schweyher, Holger Circuit d'échange de chaleur
WO2023203029A1 (fr) * 2022-04-20 2023-10-26 Grundfos Holding A/S Procédé et système de dégazage de liquide

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2154900A1 (de) * 1970-11-04 1972-05-10 Warmac Ltd., Salford, Lancashire (Großbritannien) Heizsystem
DE8912549U1 (fr) * 1989-10-23 1990-05-23 Bernstein, Hans Friedrich, 8036 Herrsching, De
DE29510126U1 (de) * 1995-06-22 1995-10-12 Bernstein Hans Friedrich Armaturen, insbesondere für den Ausdehnungs- und Entspannungsbehälter eines Flüssigkeitskreislaufsystems
DE19705741C1 (de) * 1997-02-14 1998-10-08 Hans Friedrich Bernstein Modulare Ausdehnungs- und Entgasungsvorrichtung für ein Flüssigkeitskreislaufsystem
EP0902239A2 (fr) * 1997-09-13 1999-03-17 OTTO HEAT Heizungs-, Energie- und Anlagentechnik GmbH & Co., KG Dispositif de maintien de pression à commande par fluide

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU526429B2 (en) * 1979-11-22 1983-01-06 Nikki Co., Ltd. Bubble generator
DE3716396A1 (de) * 1987-05-15 1988-12-15 Hans Friedrich Bernstein Ausdehnungs- und druckhaltevorrichtung fuer zirkulierende fluessigkeitsstroeme
DE4425698B4 (de) * 1994-07-20 2004-05-06 Bürkert Werke GmbH & Co. Absperr- und/oder Stellorgan
DE19739142B4 (de) * 1997-09-06 2005-08-25 Reflex Winkelmann + Pannhoff Gmbh & Co. Verfahren und Vorrichtung zum Entgasen von in einer Flüssigkeit gelösten Gasen
CZ293695B6 (cs) * 1997-11-26 2004-07-14 A. Schwarz + Co. Způsob odplyňování a zařízení k provádění způsobu
ATE262365T1 (de) 1998-01-28 2004-04-15 Reflex Winkelmann Gmbh & Co Kg Vorrichtung zum entgasen von flüssigen medien
DE202004002279U1 (de) * 2004-02-16 2004-07-01 Barnova Gmbh Druckhaltevorrichtung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2154900A1 (de) * 1970-11-04 1972-05-10 Warmac Ltd., Salford, Lancashire (Großbritannien) Heizsystem
DE8912549U1 (fr) * 1989-10-23 1990-05-23 Bernstein, Hans Friedrich, 8036 Herrsching, De
DE29510126U1 (de) * 1995-06-22 1995-10-12 Bernstein Hans Friedrich Armaturen, insbesondere für den Ausdehnungs- und Entspannungsbehälter eines Flüssigkeitskreislaufsystems
DE19705741C1 (de) * 1997-02-14 1998-10-08 Hans Friedrich Bernstein Modulare Ausdehnungs- und Entgasungsvorrichtung für ein Flüssigkeitskreislaufsystem
EP0902239A2 (fr) * 1997-09-13 1999-03-17 OTTO HEAT Heizungs-, Energie- und Anlagentechnik GmbH & Co., KG Dispositif de maintien de pression à commande par fluide

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009131450A2 (fr) * 2008-04-24 2009-10-29 Flamco B.V. Système de chauffage à dispositif d'expansion
NL1036252C2 (nl) * 2008-04-24 2010-05-31 Flamco Stag Gmbh Verwarmingssysteem met expansie-inrichting.
WO2009131450A3 (fr) * 2008-04-24 2010-11-04 Flamco B.V. Système de chauffage à dispositif d'expansion
WO2011110946A3 (fr) * 2010-03-11 2013-08-08 Schweyher, Holger Circuit d'échange de chaleur
DE102010055158A1 (de) 2010-12-18 2012-06-21 Industrieelektronik Brandenburg GmbH Verfahren zur Druckregulierung in hydraulischen oder pneumatischen Systemen
WO2023203029A1 (fr) * 2022-04-20 2023-10-26 Grundfos Holding A/S Procédé et système de dégazage de liquide

Also Published As

Publication number Publication date
TR201816345T4 (tr) 2018-11-21
DE102006021916A1 (de) 2007-11-22
HUE039867T2 (hu) 2019-02-28
DE202006020835U1 (de) 2010-06-10
EP1855060B1 (fr) 2018-09-12
PT1855060T (pt) 2018-11-22
PL1855060T3 (pl) 2019-01-31
SI1855060T1 (sl) 2018-12-31
ES2694500T3 (es) 2018-12-21
EP1855060A3 (fr) 2010-06-02
LT1855060T (lt) 2018-11-26
DK1855060T3 (en) 2018-11-26

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