EP2525156A2 - Armature de fermeture - Google Patents

Armature de fermeture Download PDF

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Publication number
EP2525156A2
EP2525156A2 EP12160103A EP12160103A EP2525156A2 EP 2525156 A2 EP2525156 A2 EP 2525156A2 EP 12160103 A EP12160103 A EP 12160103A EP 12160103 A EP12160103 A EP 12160103A EP 2525156 A2 EP2525156 A2 EP 2525156A2
Authority
EP
European Patent Office
Prior art keywords
receiving chamber
fitting according
water treatment
water
connecting fitting
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Withdrawn
Application number
EP12160103A
Other languages
German (de)
English (en)
Other versions
EP2525156A3 (fr
Inventor
Dietmar Ende
Michael Sautter
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.)
Perma-Trade Wassertechnik GmbH
Original Assignee
Perma-Trade Wassertechnik 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 Perma-Trade Wassertechnik GmbH filed Critical Perma-Trade Wassertechnik GmbH
Publication of EP2525156A2 publication Critical patent/EP2525156A2/fr
Publication of EP2525156A3 publication Critical patent/EP2525156A3/fr
Withdrawn legal-status Critical Current

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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
    • F24D3/1083—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
    • F24D19/0092—Devices for preventing or removing corrosion, slime or scale

Definitions

  • the invention relates to a connection fitting for filling a heating system with process water, with a connection unit having an inlet and a drain, and wherein the connection unit has a coupling for coupling a water treatment cartridge.
  • connection fitting is from the DE 20 2010 008 046 U1 known.
  • connection fittings are used in combination with water treatment cartridges for filling with demineralized water heating systems.
  • the connection fitting is connected to a fresh water connection.
  • the fresh water is introduced via the filling valve in a treatment room of the water treatment cartridge.
  • the water is demineralized and optionally stabilized in its pH by means of an alkalizing agent.
  • the treated water flows through a drain in the heating system to be filled.
  • the connection to the heating system is usually made via hose connections.
  • an individual pH-stabilization of the demineralized water must be carried out. In this case, a corresponding Alkalmaschinesmittel is then to choose, and this is then introduced into the water treatment cartridge together with the responsible for the demineralization ion exchange resin.
  • the alkalizing agent is usually in powder form, and is placed after the filling of the ion exchange resin in a bag on the lonenhielerbett. This ensures that when a flow through the water treatment cartridge, the alkalizing in the bag dissolves continuously and is not flushed out.
  • Such an arrangement is for example in the DE 10 2005 036 356 B4 shown.
  • a receiving chamber is formed in the region of the inlet or outlet of the connection unit, which receives a water treatment agent, preferably an alkalizing agent.
  • a treatment area is thus created directly in the connection fitting with which the process water required for the heating system can be treated. This results in a low technical effort and on the other hand, a small size is achieved.
  • the inventor has recognized that it is precisely the treatment of the water in the area of the connection fitting that is advantageous, because here an unambiguous flow through the process water is achieved.
  • an alkalizing agent can be introduced here in order to carry out an effective pH stabilization after the process water in the water treatment cartridge has been demineralized (note: it should be noted that the The term "demineralization” should not be interpreted in such a way that the treated water is completely deprived of its minerals, but that partial demineralization may also be present.)
  • a filter element is arranged in front of and behind the receiving chamber in the flow direction.
  • the filter elements delimit the receiving chamber from the area of the inlet or outlet through which water flows and prevent flushing out of the water treatment agent.
  • the water treatment agent can be introduced into the receiving chamber as bulk material in a cost-effective manner.
  • At least one of the filter elements is particularly preferably designed as a plastic sintered element.
  • This plastic sintered element for example, a sintered disc, can be made of plastic balls, which are baked together under the influence of temperature. It has been shown that a sufficient filtering effect for the present application can be achieved when the balls have a diameter in the range of 50 to 100 pm.
  • the water treatment agent is present in powder or granular form in the receiving chamber. It has been shown that with a mean particle size of the water treatment agent in the range between 3 to 5 pm, a sufficient average resolution in the water flow is achieved. With common filter elements then flushing of the water treatment agent from the receiving chamber can be prevented.
  • connection fitting in such a way that a removable closure closes a filling opening, which provides access to the receiving chamber.
  • the receiving chamber can be filled with the water treatment agent.
  • the closure is arranged such that refilling can be carried out with a water treatment cartridge coupled to the connection fitting.
  • a variant of the invention may in this case be such that in the region of the filling opening a funnel element is arranged in the connection unit, which opens into the receiving chamber with a filling opening. With the cover removed, the receiving chamber can be purposefully filled via the funnel element, which offers advantages even in installation situations that are difficult to access.
  • the funnel element is formed by a filter element.
  • the filter element is then assigned two functions.
  • connection fitting according to the invention can also be characterized in that the receiving chamber is at least partially formed by an annular space in the region of the drain, which is bounded at its radially inner annular region of the inlet.
  • the annulus offers a generous volume capacity, which is sufficient in particular for the application of pH stabilization via an alkalizing agent.
  • a filter element covering the receiving chamber is pushed onto the inlet. This filter element prevents the water treatment agent from falling out of the receiving chamber, for example during transport.
  • a filter element is used as a closure, results in a simple operation for the user. In particular, it does not have to remove this filter element, but instead it can be left on the connection fitting, and in the operational use, the water to be treated flows through it.
  • FIG. 1 shows a water treatment cartridge 50 surrounding a water treatment room 52.
  • the water treatment cartridge 50 has a connection head 51, which has an internal thread for receiving an external thread 11.1 of the connection fitting Is provided.
  • ion exchange resins 53 are filled in the water treatment room 52 of the water treatment cartridge 50.
  • the ion exchange resin 53 is in granular form.
  • a tube 54 is set in the water treatment cartridge 50. This is perforated over its circumference, so that a water-conducting connection between the interior of the tube 54 and the water treatment chamber 52 is formed.
  • the tube 54 is surrounded by the ion exchange resin elements 53 in the water treatment room 52.
  • the tube 54 protrudes coaxially into the region enclosed by the external thread 11.1 of the connection fitting and does not protrude beyond the outer contour of the connection head 51, so that it is protected against mechanical stresses.
  • Around the tube 54 extends an annular aperture which serves as an outlet. The outlet is in fluid communication with the water treatment room 52.
  • connection fitting has a coupling piece 10, which is equipped with a connection unit 11.
  • the connection unit 11 has the thread 11.1, which is followed by a flange 11.2.
  • an inlet 15 and a drain 16 are spatially separated.
  • the inlet 15 has a channel piece 15.1, which opens into a vertical connecting line 15.2.
  • the channel piece 15.1 terminates in a connecting piece 14, which serves for coupling a feeding water pipe.
  • a screw nipple 20 of the usual type can be screwed into an internal thread of the connecting piece 14.
  • the outlet 16 surrounds the inlet 15 and is separated from it by the channel section 15.1 or the connection line 15.2.
  • the drain 16 forms in the region of the thread 11.1 an annular space, in the vertical direction according to FIG. 1 goes up into a partial annulus.
  • This annulus and the partial annulus serve as a receiving chamber 16.1, in which a water treatment agent, preferably an alkalizing agent, can be filled.
  • the drain 16 opens in the region of a connecting piece 13, to which a laxative line can be connected, leading to the heating system to be filled.
  • a ringnippel 20 is used, which is screwed with its external thread into an internal thread of the connecting piece 13.
  • the connecting pieces 13, 14 can be sealed by means of a seal 20.1.
  • connection fitting is provided with a closure 30 in its region facing away from the connection side in the region of the thread 11.1.
  • the closure 30 is equipped as a screw cap with an internal thread.
  • the coupling piece 10 has a Aufschraubstutzen 17 with an external thread on which the closure 30 can be screwed.
  • a seal 31 is provided, which causes a seal of the receiving chamber 16.1 relative to the environment.
  • a filter element 18 is accessible.
  • This filter element 18 is formed as a plastic molded part and has two mutually spaced edges 18.1 and 18.3, which rotate in a ring. Between the edges 18.1, 18.3 a truncated cone-shaped sieve surface 18.2 is arranged, which is equipped with longitudinal slots.
  • the filter element 18 is seated with its lower edge 18.3 on a wall 19.1 of the coupling piece 10.
  • the truncated cone-shaped geometry of the sieve surface 18.2 is arranged such that a funnel-shaped filler enlargement results.
  • the lower edge 18.3 limits a filling opening 18.4.
  • This filter element 40 is annular in the form of a plastic sintered disc.
  • the filter element 40 is pushed with its inner passage opening on the outer contour of the connecting line 15.2 with a slight interference fit.
  • the outer contour is applied to the inner wall of the drain 16.
  • connection fitting can be easily mounted. It only has to be screwed with its thread 11.1 into the corresponding threaded receptacle of the water treatment cartridge 50. The screwing is limited with the flange 11.2, which abuts against a corresponding counter-stop of the water treatment cartridge 50. The sealing of the water treatment chamber 52 from the environment is effected with a seal 55. Subsequently, the supplying line and the process water line leading to the heating system can be connected to the screw nipple 20.
  • connection fitting is usually already filled with the water treatment agent, so it is ready for use immediately.
  • connection fitting As described above, a fresh water line is connected to the screw nipple 20. From this raw water is introduced via the inlet 15 into the tube 54. The raw water flows through the perforation of the tube 54 into the water treatment chamber 52. There, it is demineralized by means of the ion exchange resin 53. The demineralized water then flows through the sieve element 40 into the receiving chamber 16.1 of the drain 16, as symbolized by the arrows A. In the receiving chamber 16.1, the demineralized water flows through the bed consisting of alkalizing agent. Accordingly, the demineralized water is converted to a pH range that is designed according to the requirements of the connected heating system. Following the receiving chamber 16.1, the water passes through the screen surface 18.2 of the filter element 18 to the connecting piece 13. The finished treated water then passes through a connecting line in the heating system.
  • the alkalizing agent may be used in powder form.
  • the alkalizing agent may be mixed with another powder component.
  • a hygroscopic powder for example Na 2 CO 3 or NaHCO 3
  • a continuous dissolution of the alkalizing agent and uniform metering can be achieved.

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)
  • Treatment Of Water By Ion Exchange (AREA)
  • Water Treatment By Sorption (AREA)
  • Details Of Fluid Heaters (AREA)
EP12160103.3A 2011-05-20 2012-03-19 Armature de fermeture Withdrawn EP2525156A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011050548A DE102011050548A1 (de) 2011-05-20 2011-05-20 Anschlussarmatur

Publications (2)

Publication Number Publication Date
EP2525156A2 true EP2525156A2 (fr) 2012-11-21
EP2525156A3 EP2525156A3 (fr) 2018-03-28

Family

ID=45936823

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12160103.3A Withdrawn EP2525156A3 (fr) 2011-05-20 2012-03-19 Armature de fermeture

Country Status (2)

Country Link
EP (1) EP2525156A3 (fr)
DE (2) DE102011050548A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005036356A1 (de) 2005-07-29 2007-02-01 Perma-Trade Wassertechnik Gmbh Wasserbehandlungseinrichtung für eine Heizanlage
DE102008003327A1 (de) 2008-01-07 2009-07-09 Perma-Trade Wassertechnik Gmbh Wasserbehandlungseinrichtung für eine Heizanlage
DE202010008046U1 (de) 2010-07-14 2010-10-21 Perma-Trade Wassertechnik Gmbh Befüllarmatur zur Befüllung einer Heizungsanlage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19715196C2 (de) * 1997-04-11 1999-04-22 Herding Gmbh Filterelement
DE202009001946U1 (de) * 2009-03-06 2010-07-22 Hans Sasserath & Co. Kg Ionentauscheranordnung zur Enthärtung von Wasser für einen Heizkreislauf

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005036356A1 (de) 2005-07-29 2007-02-01 Perma-Trade Wassertechnik Gmbh Wasserbehandlungseinrichtung für eine Heizanlage
DE102008003327A1 (de) 2008-01-07 2009-07-09 Perma-Trade Wassertechnik Gmbh Wasserbehandlungseinrichtung für eine Heizanlage
DE202010008046U1 (de) 2010-07-14 2010-10-21 Perma-Trade Wassertechnik Gmbh Befüllarmatur zur Befüllung einer Heizungsanlage

Also Published As

Publication number Publication date
DE202012013648U1 (de) 2018-11-26
DE102011050548A1 (de) 2012-11-22
EP2525156A3 (fr) 2018-03-28

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