EP0070483B1 - Dispositif pour extraire des gaz de systèmes aquifères - Google Patents

Dispositif pour extraire des gaz de systèmes aquifères Download PDF

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Publication number
EP0070483B1
EP0070483B1 EP82106194A EP82106194A EP0070483B1 EP 0070483 B1 EP0070483 B1 EP 0070483B1 EP 82106194 A EP82106194 A EP 82106194A EP 82106194 A EP82106194 A EP 82106194A EP 0070483 B1 EP0070483 B1 EP 0070483B1
Authority
EP
European Patent Office
Prior art keywords
chamber
flow
bell
gas
bell trap
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.)
Expired
Application number
EP82106194A
Other languages
German (de)
English (en)
Other versions
EP0070483B2 (fr
EP0070483A1 (fr
Inventor
Klaus Exsternbrink
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.)
Individual
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Individual
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Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6136787&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0070483(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Priority to AT82106194T priority Critical patent/ATE16312T1/de
Publication of EP0070483A1 publication Critical patent/EP0070483A1/fr
Application granted granted Critical
Publication of EP0070483B1 publication Critical patent/EP0070483B1/fr
Publication of EP0070483B2 publication Critical patent/EP0070483B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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

Definitions

  • the invention relates to a device 2 for separating gases from water-carrying systems, which is designed as a chamber, which has a vertical spatial axis and is provided with vertical inlet and outlet connections and flows through from bottom to top, in the interior of which an axially incident gas separation body is arranged, the walls of the chamber forming different flow cross-sections, which are initially expanded starting from the inlet connection and, after a relatively short transition in the area of the largest cross-section to outlet connection, run back into an approximately funnel-shaped taper.
  • the formation of gas cushions is often observed after some time, which can impair and even interrupt the water circuit, especially in higher radiators, as well as in places with slowed flow.
  • the gas cushioning reduces the circulation in the higher floors compared to the lower ones, which in many cases leads to higher flow temperatures being set in ignorance of the context in order to provide sufficient heating output in the higher floors make sure. This further promotes the formation of gas cushions.
  • the thermal efficiency of the entire system continues to decrease.
  • the new device is said to be largely insensitive to contamination by dirt particles, such as rust particles, which are inevitably carried in a heating water circuit, and to be easy to produce in a cast design.
  • the gas trapping device in the expanded area of the chamber has a collecting bell with an opening opposite to the flow, which opens at the upper end into a venting duct leading to the outside, which has a gas outlet valve outside the chamber.
  • a separator that has no moving parts, can be installed in risers and uses the inertia of the air bubbles and dirt particles to achieve a high separation efficiency.
  • the gas bubbles carried in the water flow or excreted in the device are caught with certainty, the possibility of them flowing past the collecting bell is excluded.
  • the volume flow, which enters the chamber axially and centrally through the inlet connection is directed directly against the opening of the collecting bell, which thus exerts a maximum degree of catching effect for the air bubbles.
  • the catch effect is further supported by the fact that the chamber performs a directional function and furthermore has a zone of flow calming which favors the passage of gas bubbles from the liquid flow into the catch bell.
  • the walls of the chamber form different flow cross-sections, which are initially expanded starting from the inlet nozzle and, preferably after a relatively short transition, in the area of the largest cross-section towards the outlet nozzle, again flow into a preferably funnel-shaped taper and that a catch bell is arranged in the area of the chamber which is expanded in this way and has an opening which is directed against the flow and which opens at its upper end into a venting duct leading to the outside, which has a gas outlet valve outside the chamber.
  • the flow cross section for the liquid in the lower region of the chamber is at least partially smaller than the cross section of the inlet connection. This advantageously results in the formation of expansion air bubbles. The deposition efficiency can be further improved in this way.
  • the chamber is a body formed by at least partially rotationally symmetrical walls with inlet and outlet connections arranged approximately in the axis of symmetry.
  • the advantage of this configuration is that a low-resistance flow system is created in this way, which does not significantly impede or adversely affect the circulation of the water. It is also advantageous that the chamber can be produced at low cost.
  • the ventilation duct is led out obliquely upwards out of the chamber and carries the catch bell at its lower end.
  • the catch bell has a plate designed as a gas separation body, which is preferably flat and horizontal.
  • the plate is a porous metal part, such as a fine-mesh screen fabric, metal cloth, sintered metal, metal wool or the like. is.
  • Such metal parts and materials, including brass, are commercially available and can be processed without difficulty.
  • the plate can also be a porous plastic part, which has the advantage that such material is completely immune to corrosion.
  • the catch bell is at least partially filled with gas-permeable material such as glass wool, glass wool, rock wool, stainless steel wool, granular free-flowing ceramic bodies, coarsely classified sand etc. and closed with a sieve or the like.
  • gas-permeable material such as glass wool, glass wool, rock wool, stainless steel wool, granular free-flowing ceramic bodies, coarsely classified sand etc. and closed with a sieve or the like.
  • the vertically flowed through chamber is at least partially cylindrical and forms a one-piece casting with the collecting bell and the ventilation duct.
  • the opening diameter of the catch bell corresponds approximately to the inner thread diameter of the inlet connection. This results in an optimum between the size of the collecting bell and the possibility of manufacture.
  • annular space with parallel walls is formed between the wall of the vertically flowed through chamber and the collecting bell on the side opposite the ventilation duct. This results in a particularly favorable routing of the heating water flow with the smallest chamber dimensions.
  • the device according to the invention consists of the vertically arranged chamber 1, which in its lower area 4 has an inlet connection 2 for connection to the pipeline of the heating circuit, as well as in its upper area an outlet connection 3 for the further pipeline of the heating circuit owns.
  • the chamber 1 has in its lower part 4 a funnel-shaped extension, which is followed by a transition 5 with an almost unchanged cross-sectional area, which merges in the flow direction into a funnel-shaped, conical taper 6, at the end of which the outlet connection 3 is attached.
  • the catch bell 7, which here has the shape of a funnel 8, which preferably projects into the region of the transition 5 of the chamber 1 with its downwardly open end 9.
  • An outlet channel 11 is attached to the upper end 10 of the collecting bell 7, which has a vent line 12 which is led out laterally obliquely and closely below the outlet nozzle 3 from the chamber 1.
  • the line 12 ends in a vertical end piece 13 with a connecting sleeve with an internal thread 14, into which a gas outlet 15, for example a vent valve of any type, is screwed in a gas-tight manner.
  • the outlet channel 11 advantageously simply carries the collecting bell 7. This is optionally closed in the region of its opening 9 with a membrane-like, gas-permeable gas collecting plate 16 which is made of a porous material for the passage of gas bubbles.
  • the gas trap plate 16 can also be made concave, as is shown by the lines 16 'indicated by dashed lines.
  • the concave design of the plate 16 advantageously favors the capture and collection of the gas bubbles 19.
  • FIG. 2 shows a further advantageous embodiment of the device.
  • the liquid has to pass through zones of different pressures and speeds in succession between the concentric gas collecting rings 16 "', 16" “, 16'” "on the underside of the actual gas collecting device 16". This also advantageously results in considerable relaxation of air bubbles. The newly formed bubbles are then separated in the subsequent calmed zones.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)
  • Degasification And Air Bubble Elimination (AREA)
  • Domestic Plumbing Installations (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Physical Water Treatments (AREA)

Claims (11)

1. Dispositif destiné à éliminer les gaz de systèmes de conduite d'eau, exécuté sous forme d'une chambre (1) présentant un axe dans l'espace vertical, munie de tubulures verticales d'admission (2) et d'écoulement (3) et traversée par un courant dirigé de bas en haut, un corps séparateur de gaz exposé à un afflux axial du courant étant disposé à l'intérieur de cette chambre (1), les parois de la chambre formant différentes sections de passage qui, partant de la tubulure d'admission (2), sont tout d'abord élargies et, . après un passage de transition (5) relativement court dans la zone à plus grande section, se terminent en un étranglement en forme d'entonnoir (6) allant vers la tubulure d'écoulement (3), caractérisé par le fait que dans la zone ainsi élargie de la chambre (1) est disposée une cloche collectrice (7) avec une ouverture dirigée dans le sens opposé au courant qui aboutit à son extrémité supérieure (8) dans un canal de purge d'air (11, 12) débouchant à l'air libre et présentant à l'extérieur de la chambre (1) une soupape d'échappement du gaz (15).
2. Dispositif selon la revendication 1, caractérisé par le fait que la section de passage du liquide dans la partie inférieure de la chambre (1) est, au moins en partie, plus petite que la section de la tubulure d'admission.
3. Dispositif selon les revendications 1 ou 2, caractérisé par le fait que la chambre (1) constitue un corps formé de parois au moins en partie à symétrie de révolution avec des tubulures d'admission (2) et d'écoulement (3) disposées approximativement dans l'axe de symétrie.
4. Dispositif selon les revendications 1, 2 ou 3, caractérisé par le fait que le canal de purge d'air (11, 12) sort obliquement de la chambre (1) vers le haut et supporte à son extrémité inférieure la cloche collectrice (7).
5. Dispositif selon les revendications 1, 2, 3 ou 4, caractérisé par le fait que la cloche collectrice (7) présente une plaque (16) exécutée pour constituer un corps séparateur de gaz, de préférence de forme plate et horizontale.
6. Dispositif selon la revendication 5, caractérisé par le fait que la plaque (16) est une pièce métallique poreuse, telle que : tissu métallique à tamis à mailles étroites, toile métallique, métal fritté, laine métallique ou autre matériau similaire.
7. Dispositif selon la revendication 5, caractérisé par le fait que la plaque (16) est une pièce en matière plastique poreuse.
8. Dispositif selon l'une des revendications ci- dessus, caractérisé par le fait que la cloche collectrice (7) est, du moins en partie, remplie d'un matériau perméable aux gaz, tel que : laine de verre, mat de fibres de verre, laine minérale, laine d'acier inoxydable, corps de céramique granulés à écoulement libre, sable à gros grains, etc., et est fermée par un tissu métallique à tamis à mailles fines ou autre matériau similaire.
9. Dispositif selon l'une des revendications ci- dessus, caractérisé par le fait que la chambre (1) traversée verticalement par le courant est, au moins en partie, de forme cylindrique et qu'elle forme avec la cloche collectrice (7) et le canal de purge d'air (11, 12) une forme moulée en fonte d'une seule pièce.
10. Dispositif selon la revendication 9, caractérisé par le fait que le diamètre d'ouverture de la cloche collectrice (7) correspond approximativement au diamètre du noyau de la tubulure d'admission (2).
11. Dispositif selon les revendications 9 ou 10, caractérisé par le fait qu'un espace annulaire aux parois parallèles est aménagé entre la paroi de la chambre (1) traversée par le courant vertical et la cloche collectrice (7), du côté opposé au canal de purge d'air (11, 12).
EP82106194A 1981-07-13 1982-07-10 Dispositif pour extraire des gaz de systèmes aquifères Expired - Lifetime EP0070483B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82106194T ATE16312T1 (de) 1981-07-13 1982-07-10 Vorrichtung zum abscheiden von gasen aus wasserfuehrenden systemen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19813127620 DE3127620A1 (de) 1981-07-13 1981-07-13 Vorrichtung zum abscheiden von gasen aus wasserfuehrenden systemen, insbesondere heizungsanlagen
DE3127620 1981-07-13

Publications (3)

Publication Number Publication Date
EP0070483A1 EP0070483A1 (fr) 1983-01-26
EP0070483B1 true EP0070483B1 (fr) 1985-10-30
EP0070483B2 EP0070483B2 (fr) 1990-12-05

Family

ID=6136787

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82106194A Expired - Lifetime EP0070483B2 (fr) 1981-07-13 1982-07-10 Dispositif pour extraire des gaz de systèmes aquifères

Country Status (5)

Country Link
EP (1) EP0070483B2 (fr)
AT (1) ATE16312T1 (fr)
DE (2) DE3127620A1 (fr)
DK (1) DK312282A (fr)
FI (1) FI822498L (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3909518A1 (de) * 1989-03-22 1990-09-27 Biotechnolog Forschung Gmbh Vorrichtung zum entfernen von gasblasen, insbesondere luftblasen, aus einem fluessigkeitsstrom
DE102018101087A1 (de) * 2018-01-18 2019-07-18 Vaillant Gmbh Gasabscheider
DE102020107579A1 (de) * 2020-03-19 2021-09-23 Vaillant Gmbh Trennphase

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE288158C (fr) * 1913-11-11 1915-10-21
FR802319A (fr) * 1936-01-28 1936-09-02 Perfectionnements apportés aux dégazeurs et pompes dégazeuses pour tous liquides
FR2086767A5 (fr) * 1970-04-08 1971-12-31 Peugeot & Renault
FR2133066A5 (fr) * 1971-04-07 1972-11-24 Schlumberger Compteurs
US3961918A (en) * 1972-03-20 1976-06-08 Johnson Thomas B Method and apparatus for degassing liquids
FR2290234A1 (fr) * 1974-11-08 1976-06-04 Rhone Poulenc Ind Appareil pour la separation par decantation
NL187518C (nl) * 1978-05-02 1991-11-01 Wetering Gemeenschappelijk Bez Inrichting voor het afscheiden van lucht uit een vloeistofkringloop.

Also Published As

Publication number Publication date
FI822498A0 (fi) 1982-07-13
DE3127620A1 (de) 1983-01-27
EP0070483B2 (fr) 1990-12-05
DE3267156D1 (en) 1985-12-05
ATE16312T1 (de) 1985-11-15
DK312282A (da) 1983-01-14
EP0070483A1 (fr) 1983-01-26
FI822498L (fi) 1983-01-14

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