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EP0062591B1 - Vorrichtung zum Erwärmen von Flüssigkeiten - Google Patents

Vorrichtung zum Erwärmen von Flüssigkeiten Download PDF

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Publication number
EP0062591B1
EP0062591B1 EP82400635A EP82400635A EP0062591B1 EP 0062591 B1 EP0062591 B1 EP 0062591B1 EP 82400635 A EP82400635 A EP 82400635A EP 82400635 A EP82400635 A EP 82400635A EP 0062591 B1 EP0062591 B1 EP 0062591B1
Authority
EP
European Patent Office
Prior art keywords
liquid
combustion chamber
heating
heated
box
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
EP82400635A
Other languages
English (en)
French (fr)
Other versions
EP0062591A1 (de
Inventor
Alain Thouault
Claude Chapuis
Georges Austruy
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.)
Engie SA
Original Assignee
Gaz de France SA
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 Gaz de France SA filed Critical Gaz de France SA
Publication of EP0062591A1 publication Critical patent/EP0062591A1/de
Application granted granted Critical
Publication of EP0062591B1 publication Critical patent/EP0062591B1/de
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C3/00—Combustion apparatus characterised by the shape of the combustion chamber
    • F23C3/004—Combustion apparatus characterised by the shape of the combustion chamber the chamber being arranged for submerged combustion

Definitions

  • the present invention essentially relates to a device for heating industrial liquids in situ.
  • a number of means have already been proposed for heating industrial liquids in situ with combustible gas.
  • the heating can for example be carried out by means of special arrangements provided inside the tank containing the liquid to be heated.
  • special arrangements are fixed, often pose problems of upkeep and maintenance, and generally have a noticeable bulk for most often mediocre yields.
  • boilers comprising a combustion chamber surrounded by a jacket and traversed by water circulation tubes opening into said jacket.
  • the tubes of the boiler in question are arranged obliquely and this is a conventional boiler for central heating of dwellings.
  • a device for heating any liquid of the type comprising a sealed box forming a heating unit immersible in the liquid to be heated and comprising side walls, a bottom wall and a top wall which form at least in part a combustion chamber with which is associated a burner, characterized by one or more channels passing tightly through and through the combustion chamber between said bottom and top walls, and opening at their upper ends and low in the liquid to be heated to allow an upward circulation by thermosyphon of this liquid.
  • grids are arranged around the channels passing through the box to create jets of hot gas around them.
  • the combustion chamber is associated with a premange and homo chamber.
  • fuel generation which contains one or more distribution grids of this fuel before combustion.
  • a heating device essentially comprises a compact heating assembly 1 which is in the form of a box 2, preferably parallelepipedal, and entirely submerged in the liquid to be heated 3.
  • This liquid can for example be an industrial liquid contained in a tank (not shown). We have only shown at 4 the level of this liquid 3 in FIG. 2.
  • the heating unit or box 2 has six walls forming as many exchange surfaces and one of which 2a is provided with pipes opening above the level 4 of liquid 3, as can be seen in FIG. 2. More precisely , the supply of fuel-oxidant air gas, in a substantially stoichiometric quantity, takes place via a pipe 5 opening into a chamber 6 for premixing and homogenizing the fuel, as can be seen better in FIGS. 2 and 3. Another pipe 7 visible in FIG. 1 allows the passage of the electrical ignition and safety connections of the burner. Finally, the cold burnt gases are discharged through a third pipe 8 which opens into the combustion chamber 9.
  • channels 10 can have any shape in cross section, for example circular or polygonal, as can be seen in Figure 3. They allow the circulation, by thermosiphon, of the surrounding liquid 3 as is material. read by arrows in FIG. 2.
  • vertical channels 10 advantageously increase the external exchange surface formed by the walls of the box 2.
  • the exchange surface in question can be further increased by providing metal fins or the like 11 around the channels 10, as shown for example in FIG. 6.
  • the part of the box 2 containing the flame and forming combustion chamber 9 preferably comprises means creating turbulence of hot gas inside this chamber to give the heating unit 1 good performance with a minimum of space.
  • These means can be arbitrary and arranged in any way in the combustion chamber 9. Thus they can for example be constituted by grids 12 arranged around the channels 10, as seen in FIG. 5. Consequently, the grids 12 will favor the formation of jets of hot gas directed towards the exchange walls produced by the channels 10.
  • the premix chamber 6 advantageously contains one or more grids 13 suitably arranged inside thereof so as to achieve an ideal distribution of the gaseous mixture arriving via line 5.
  • This grid 14 which is seen on a larger scale in FIG. 4 is preferably consisting of a metal plate pierced with one or more networks of holes 15, which plate is formed of several sheets, sheets, metallic fabrics, or the like 16 superimposed, assembled, and themselves pierced with holes, as for example described in French Patent No. 2,063,803 belonging to the plaintiff.
  • Such a grid 14 advantageously makes it possible to obtain a high combustion intensity which can lead to heating powers of up to 2 kW / cm 2 .
  • a gas burner with high combustion intensity has therefore been produced according to the invention and associated with a combustion chamber so as to form a very compact, removable, versatile heating unit which can very easily be immersed in a tank containing a liquid to heat whatever, using a winch for example.
  • the heating block according to the invention makes it possible to reach a heating power ranging from 1,000 to 2,000 kW / m 3 occupied, and that the yields obtained with this block are approximately 20% higher than those liquid heating systems used to date.
  • the means 12 creating turbulence in the combustion chamber 9 can have any structure and arrangement inside thereof, the number and structure of the distribution grids in the premix chamber 6 can also be any number, and any number and shape can also be provided for the vertical channels 10 in the combustion chamber formed inside the metal box 2. Likewise, this box can have a shape other than parallelepiped.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gas Burners (AREA)
  • Combustion Of Fluid Fuel (AREA)
  • Commercial Cooking Devices (AREA)
  • Solid-Fuel Combustion (AREA)
  • Cookers (AREA)

Claims (3)

1. Vorrichtung zum Erwärmen irgendeiner Flüssigkeit, der Bauart mit einem, eine in die zu erwärmende Flüssigkeit (3) eintauchbare, erhitzende Einheit bildenden dichten Kasten (2) mit Seitenwänden, einer Bodenwand und einer Deckwand (2a) die wenigstens einen Teil einer Brennkammer (9), der ein Brenner zugeordnet ist, bilden, gekennzeichnet durch einen oder mehrere Kanäle (10) welche die Brennkammer (9) zwischen der besagten Boden- und Deckwand (2a) in abdichtender Weise vollständig durchsetzen und mit ihren jeweils oberen und unteren Enden in die zu erwärmende Flüssigkeit (3) münden, um ein durch Thermosiphon bewirktes Aufwärtsströmen dieser Flüssigkeit zu gestatten.
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass Gitter (12) um die den Kasten durchsetzende Kanäle (10) herum angeordnet sind, um Heisgasstrahle um diese herum zu erzeugen.
3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Brennkammer (9) eine Kammer (6) zur Vormischung und Homogenisierung des Brennstoffes zugeordnet ist, welche ein oder mehrere Gitter (13) zur Verteilung dieses Brennstoffes vor Verbrennung enthält.
EP82400635A 1981-04-08 1982-04-06 Vorrichtung zum Erwärmen von Flüssigkeiten Expired EP0062591B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8107059 1981-04-08
FR8107059A FR2503837A1 (fr) 1981-04-08 1981-04-08 Dispositif de chauffage de liquides

Publications (2)

Publication Number Publication Date
EP0062591A1 EP0062591A1 (de) 1982-10-13
EP0062591B1 true EP0062591B1 (de) 1985-06-05

Family

ID=9257169

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82400635A Expired EP0062591B1 (de) 1981-04-08 1982-04-06 Vorrichtung zum Erwärmen von Flüssigkeiten

Country Status (6)

Country Link
US (1) US4425902A (de)
EP (1) EP0062591B1 (de)
CA (1) CA1178147A (de)
DE (2) DE3264014D1 (de)
ES (1) ES511347A0 (de)
FR (1) FR2503837A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4651714A (en) * 1984-10-18 1987-03-24 A. D. Smith Corporation High efficiency water heater
US6823861B1 (en) * 2003-09-15 2004-11-30 Kenneth Ragan Self contained pond heater
EP2593006B1 (de) 2010-07-16 2013-12-04 Csem Sa Verfahren und vorrichtung zur nicht-invasiven messung von pulslaufzeiten (ptt)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE665713A (de) *
GB669975A (en) * 1947-05-05 1952-04-09 Alec Joseph Skinner Improvements in heaters for heating liquids in tanks, for heating ovens, and for like purposes
DE942656C (de) * 1951-05-18 1956-05-03 Gewerk Keramchemie Tauchbrenner
US3051162A (en) * 1958-12-10 1962-08-28 Harry J Porter Submersible heater
FR2063803A5 (de) * 1969-10-31 1971-07-09 Gaz De France

Also Published As

Publication number Publication date
CA1178147A (en) 1984-11-20
EP0062591A1 (de) 1982-10-13
ES8304287A1 (es) 1983-02-16
DE3264014D1 (en) 1985-07-11
FR2503837B1 (de) 1985-05-24
US4425902A (en) 1984-01-17
DE62591T1 (de) 1983-05-11
ES511347A0 (es) 1983-02-16
FR2503837A1 (fr) 1982-10-15

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