CH360792A - Solid fuel boiler - Google Patents

Solid fuel boiler

Info

Publication number
CH360792A
CH360792A CH360792DA CH360792A CH 360792 A CH360792 A CH 360792A CH 360792D A CH360792D A CH 360792DA CH 360792 A CH360792 A CH 360792A
Authority
CH
Switzerland
Prior art keywords
boiler
solid fuel
grate
fuel boiler
hearth
Prior art date
Application number
Other languages
French (fr)
Inventor
Marcel Blanc Andre
Original Assignee
Marcel Blanc Andre
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 Marcel Blanc Andre filed Critical Marcel Blanc Andre
Publication of CH360792A publication Critical patent/CH360792A/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/24—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers
    • F24H1/26—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle forming an integral body
    • F24H1/28—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle forming an integral body including one or more furnace or fire tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B50/00—Combustion apparatus in which the fuel is fed into or through the combustion zone by gravity, e.g. from a fuel storage situated above the combustion zone
    • F23B50/12—Combustion apparatus in which the fuel is fed into or through the combustion zone by gravity, e.g. from a fuel storage situated above the combustion zone the fuel being fed to the combustion zone by free fall or by sliding along inclined surfaces, e.g. from a conveyor terminating above the fuel bed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B80/00—Combustion apparatus characterised by means creating a distinct flow path for flue gases or for non-combusted gases given off by the fuel
    • F23B80/04—Combustion apparatus characterised by means creating a distinct flow path for flue gases or for non-combusted gases given off by the fuel by means for guiding the flow of flue gases, e.g. baffles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23H—GRATES; CLEANING OR RAKING GRATES
    • F23H7/00—Inclined or stepped grates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B2700/00—Combustion apparatus for solid fuel
    • F23B2700/011—Combustion apparatus for solid fuel with fuel shaft for steam boilers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H2230/00—Solid fuel fired boiler

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Solid-Fuel Combustion (AREA)

Description

  

  Chaudière à     combustible        solide       La présente invention a pour objet une chau  dière à combustible solide, comportant une trémie  à distribution du combustible, une grille inclinée et  un ventilateur envoyant de l'air primaire sous la       grille    et de l'air secondaire dans le foyer, chaudière  caractérisée par le fait que le gaz de combustion tra  verse un échangeur de chaleur à double paroi entre  lesquelles circule de l'eau, placé au-dessus du foyer  de combustion et     comportant    des lames d'eau verti  cales disposées en chicanes, pour     obliger    les gaz à  suivre des trajets     verticaux    de bas en haut et de haut  en bas.

       L'augmentation    des     surfaces        d'échange    par  la présence de ces chicanes, améliore le rendement  de la chaudière.  



  Une forme d'exécution de la chaudière selon  l'invention est représentée, à titre d'exemple, sur le  dessin annexé dans lequel  la     fig.    1 est une vue schématique de face en  coupe de la chaudière, et  la     fig.    2 est une vue de dessus en coupe de la  chaudière.  



  La chaudière représentée sur les figures     ci-          jointes    comporte une grille 2 inclinée et     alimentée     en charbon par une trémie 3, à travers un orifice 6  de communication.  



  Le réglage du débit de la trémie 3 se fait par un  obturateur 4 pouvant, par pivotement, obturer plus  ou moins l'orifice 6. Cet obturateur 4 est monté sur  deux bras 5, lesquels sont solidaires d'un axe 7  dont on peut, par un levier, provoquer la rotation.  



  Un ventilateur 8 envoie de l'air, d'une part, sous  la grille 2 et, d'autre part, dans le foyer 10 (à tra-    vers le conduit 9). Le foyer 10 est à double paroi  à circulation d'eau, ainsi que l'échangeur de chaleur  1 qui est en forme de caisson à double paroi     1i     placé au-dessus du foyer 10. A l'intérieur du cais  son sont disposées plusieurs     chicanes    verticales 12  (dont deux seulement sont représentées), qui sont  en fait des lames d'eau dirigées     alternativement    de  bas en haut et de haut en bas sur toute la largeur  de l'échangeur.  



  Les gaz chauds qui s'échappent du foyer par  l'orifice 11, lèchent les parois intérieures du caisson  à double paroi<B>11 .</B> Elles lèchent aussi les parois de  part et d'autre des lames d'eau 12, en suivant un  trajet en chicanes verticales, ce qui permet d'obtenir  de grandes surfaces d'échange avant leur évacuation  par le conduit 12.



  Solid fuel boiler The present invention relates to a solid fuel boiler, comprising a fuel distribution hopper, an inclined grate and a fan sending primary air under the grate and secondary air into the hearth, boiler characterized in that the combustion gas passes through a double-walled heat exchanger between which circulates water, placed above the combustion chamber and comprising vertical water blades arranged in baffles, to force gases to follow vertical paths from bottom to top and top to bottom.

       The increase in heat exchange surfaces by the presence of these baffles improves the efficiency of the boiler.



  An embodiment of the boiler according to the invention is shown, by way of example, in the appended drawing in which FIG. 1 is a schematic sectional front view of the boiler, and FIG. 2 is a top sectional view of the boiler.



  The boiler shown in the accompanying figures comprises a grate 2 inclined and fed with coal by a hopper 3, through a communication orifice 6.



  The flow rate of the hopper 3 is adjusted by a shutter 4 which can, by pivoting, close the orifice 6 more or less. This shutter 4 is mounted on two arms 5, which are integral with a pin 7 of which it is possible, by a lever, cause the rotation.



  A fan 8 sends air, on the one hand, under the grille 2 and, on the other hand, into the hearth 10 (through the duct 9). The hearth 10 is double-walled with water circulation, as well as the heat exchanger 1 which is in the form of a double-walled box 1i placed above the hearth 10. Inside the sound box are arranged several baffles. verticals 12 (of which only two are shown), which are in fact layers of water directed alternately from bottom to top and from top to bottom over the entire width of the exchanger.



  The hot gases which escape from the hearth through orifice 11 lick the interior walls of the double-walled casing <B> 11. </B> They also lick the walls on either side of the water layers 12 , by following a path in vertical baffles, which makes it possible to obtain large exchange surfaces before their evacuation through the duct 12.

Claims (1)

REVENDICATION Chaudière à combustible solide, comportant une trémie à distribution du combustible, une grille incli née et un ventilateur envoyant de l'air primaire sous la grille et de l'air secondaire dans le foyer, chau dière caractérisée par le fait que le gaz de combus tion traverse un échangeur de chaleur à double paroi entre lesquelles circule de l'eau, placé au-dessus du foyer de combustion et comportant des lames d'eau verticales disposées en chicanes, pour obliger les gaz à suivre des trajets verticaux de bas en haut et de haut en bas. CLAIM Solid fuel boiler, comprising a fuel distribution hopper, an inclined grate and a fan sending primary air under the grate and secondary air into the hearth, boiler characterized by the fact that the gas from combustion passes through a double-walled heat exchanger between which water circulates, placed above the combustion chamber and comprising vertical water blades arranged in baffles, to force the gases to follow vertical paths from bottom to up and up and down.
CH360792D 1958-08-12 1959-08-07 Solid fuel boiler CH360792A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR360792X 1958-08-12

Publications (1)

Publication Number Publication Date
CH360792A true CH360792A (en) 1962-03-15

Family

ID=8893888

Family Applications (1)

Application Number Title Priority Date Filing Date
CH360792D CH360792A (en) 1958-08-12 1959-08-07 Solid fuel boiler

Country Status (1)

Country Link
CH (1) CH360792A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1040651C2 (en) * 2014-02-04 2015-08-06 Kees Eerenberg ENERGY EFFICIENT AND MAINTENANCE-FREE AUTOMATIC PELLET, INCLUDING EVERYTHING BURNER, CENTRAL WATER HEATER, STEAM HEATER, ENERGY CENTRAL.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1040651C2 (en) * 2014-02-04 2015-08-06 Kees Eerenberg ENERGY EFFICIENT AND MAINTENANCE-FREE AUTOMATIC PELLET, INCLUDING EVERYTHING BURNER, CENTRAL WATER HEATER, STEAM HEATER, ENERGY CENTRAL.

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