EP2998650A1 - Couvercle d'une chambre de combustion rotative d'un brûleur à granulés - Google Patents

Couvercle d'une chambre de combustion rotative d'un brûleur à granulés Download PDF

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Publication number
EP2998650A1
EP2998650A1 EP15460052.2A EP15460052A EP2998650A1 EP 2998650 A1 EP2998650 A1 EP 2998650A1 EP 15460052 A EP15460052 A EP 15460052A EP 2998650 A1 EP2998650 A1 EP 2998650A1
Authority
EP
European Patent Office
Prior art keywords
combustion chamber
cover
ring
housing
burner
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
EP15460052.2A
Other languages
German (de)
English (en)
Other versions
EP2998650B1 (fr
Inventor
Michal Brzeski
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.)
Pellasx Sp zoo SK
Original Assignee
Pellasx Sp zoo SK
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 Pellasx Sp zoo SK filed Critical Pellasx Sp zoo SK
Publication of EP2998650A1 publication Critical patent/EP2998650A1/fr
Application granted granted Critical
Publication of EP2998650B1 publication Critical patent/EP2998650B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B30/00—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber
    • F23B30/02—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber with movable, e.g. vibratable, fuel-supporting surfaces; with fuel-supporting surfaces that have movable parts
    • F23B30/04—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber with movable, e.g. vibratable, fuel-supporting surfaces; with fuel-supporting surfaces that have movable parts with fuel-supporting surfaces that are rotatable around a horizontal or inclined axis and support the fuel on their inside, e.g. cylindrical grates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B60/00—Combustion apparatus in which the fuel burns essentially without moving
    • F23B60/02—Combustion apparatus in which the fuel burns essentially without moving with combustion air supplied through a grate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23H—GRATES; CLEANING OR RAKING GRATES
    • F23H17/00—Details of grates
    • F23H17/08—Bearers; Frames; Spacers; Supports
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23H—GRATES; CLEANING OR RAKING GRATES
    • F23H9/00—Revolving-grates; Rocking or shaking grates
    • F23H9/02—Revolving cylindrical grates

Definitions

  • the subject of the invention is a cover of the combustion chamber in a pellet burner which can be applied both in households and other communal facilities objects, and store or production rooms.
  • Pellets and agropellets are much appreciated for their high comfort of use and therefore they are successfully used as an effective fuel for individual boilers of central heating systems, stoves, fireplaces and other heating devices designed for heating buildings and rooms, and equipped with a pellet container, a dosing device, and a feeder (conveyor),
  • the burners designed for burning pellets are mounted in the doors of heating boilers of any type, i.e. the oil, gas or solid fuel ones.
  • the rotary combustion chamber has several longitudinal diaphragms (7) having a form of shutters, swingably mounted on the outer surface of the combustion chamber and obscuring the inlet holes (6) of air, operating together with a fixed control ring (9) situated perpendicularly to the longitudinal axis of the chamber around its rear part, in addition, an inner surface of the control ring (9) functions as a cam pressing the diaphragms to the combustion chamber surface or releasing them in accordance with a sequence of the preset phases.
  • the combustion chamber has a form of a prism or a truncated pyramid, the base of which is a regular polygon.
  • the diaphragms are arranged in twos on either side wall of the combustion chamber.
  • the inner surface (10) of the control ring (9) has a shape of arcs of two radius connected with each other by short, straight segments.
  • the ring-shaped duct (5) supplying air to the combustion chamber (3) is closed in front of the cover (4) by its flange ring and a sealing ring operating together with it, which is permanently connected with the outer surface of the combustion chamber (3).
  • the subject of the invention is a cover of the combustion chamber in a pellet burner, having a housing with an inlet hole for pellets and a rotary combustion chamber surrounded by a cylindrical cover connected with the housing, in addition, a space between the combustion chamber and the cover is a ring-shaped duct supplying air to the combustion chamber throughout inlet holes and/or nozzles located on its circumference, the ring-shaped duct supplying air to the combustion chamber is closed in front of the cover by its flange ring, directed towards the inside, and a sealing ring operating together with it, permanently connected with the outer surface of the combustion chamber.
  • a rear part of the cover is permanently connected with a compensatory plate, a surface of which is perpendicular to the longitudinal axis of the cover, in addition, the compensatory plate is elastically connected with a seat of the burner housing.
  • the compensatory plate has mandrels, which are slidably mounted in holes of the burner housing seat and they are ended with heads. There are compensatory springs placed on these mandrels.
  • Fig. 1 of which is a side view of the pellet burner
  • Fig. 2 shows a side view of the combustion chamber cover
  • Fig. 3 shows a longitudinal section of the combustion chamber cover
  • Fig. 5 shows a front part with a partial perspective view of the pellet burner
  • Fig. 6 shows a detail of the elastically mounted cover in the burner's off-position
  • Fig. 7 shows a detail of the elastically mounted cover in the burner's on-position.
  • a cover of the combustion chamber in a pellet burner is designed for a burner comprising a housing 1 with an inlet hole for pellets 2 and a rotary combustion chamber 3 surrounded by a cylindrical cover 4 connected to the housing 1, in addition, a space between the combustion chamber 3 and the cover 4 is a ring-shaped duct 5 supplying air to the inside of the combustion chamber 3 throughout inlet holes and/or nozzles placed on its circumference (not shown in the drawing).
  • the ring-shaped duct 5 supplying air to the combustion chamber 3 is closed in front of the cover 4 with its flange ring 6 directed towards inside of the chamber and operating together with a sealing ring 7 permanently connected with the outer surface of the combustion chamber 3.
  • a rear part of the cover 4 is permanently connected with the compensatory plate 9 the surface of which is perpendicular to the longitudinal axis of the cover, whereas the compensatory plate 9 is elastically connected with the housing seat 10 of the burner housing 1.
  • the compensatory plate 9 is provided with mandrels 11 slidably mounted in holes 12 of the seat 10 of the burner housing 1 and ended with heads 13. There are compensatory springs 14 placed (supported) on these mandrels 11.
  • the cover 4 can move along the axis in a reciprocating motion.
  • the combustion chamber 3 is sub-ject to the action of deforming forces which cause the thermal expansion of the chamber.
  • the combustion chamber 3 expands and the sealing ring 7 placed on its circumference presses on the ring-shaped flange 6 of the cover 4 making it move forwards.
  • the thermal contraction of the combustion chamber 3 during the cooling-down process makes the sealing ring 7 move backwards which - releasing pressure in the ring-shaped flange 6 - makes the movement of the cover 4 backwards possible due to the action of the compensatory springs 14.

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)
  • Air Supply (AREA)
  • Muffle Furnaces And Rotary Kilns (AREA)
  • Gas Burners (AREA)
EP15460052.2A 2014-09-17 2015-08-20 Brûleur à granulés avec une chambre de combustion rotative Not-in-force EP2998650B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL409524A PL226499B1 (pl) 2014-09-17 2014-09-17 Osłona komory paleniskowej w palniku peletów

Publications (2)

Publication Number Publication Date
EP2998650A1 true EP2998650A1 (fr) 2016-03-23
EP2998650B1 EP2998650B1 (fr) 2019-04-03

Family

ID=54148452

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15460052.2A Not-in-force EP2998650B1 (fr) 2014-09-17 2015-08-20 Brûleur à granulés avec une chambre de combustion rotative

Country Status (6)

Country Link
EP (1) EP2998650B1 (fr)
DK (1) DK2998650T3 (fr)
ES (1) ES2733481T3 (fr)
LT (1) LT2998650T (fr)
PL (1) PL226499B1 (fr)
PT (1) PT2998650T (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998035767A2 (fr) * 1997-02-05 1998-08-20 Onsite Technology, L.L.C. Appareil permettant de recuperer des hydrocarbures dans des matieres solides
US6203315B1 (en) * 1997-03-05 2001-03-20 Swedish Bioburner System Aktiebolag Rotary burner for solid fuel
PL409186A1 (pl) 2014-08-14 2016-02-15 Pellasx Spółka Z Ograniczoną Odpowiedzialnością Spółka Komandytowa Mechanizm napowietrzania komory paleniskowej w palniku peletów

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1998035767A2 (fr) * 1997-02-05 1998-08-20 Onsite Technology, L.L.C. Appareil permettant de recuperer des hydrocarbures dans des matieres solides
US6203315B1 (en) * 1997-03-05 2001-03-20 Swedish Bioburner System Aktiebolag Rotary burner for solid fuel
PL409186A1 (pl) 2014-08-14 2016-02-15 Pellasx Spółka Z Ograniczoną Odpowiedzialnością Spółka Komandytowa Mechanizm napowietrzania komory paleniskowej w palniku peletów

Also Published As

Publication number Publication date
EP2998650B1 (fr) 2019-04-03
PT2998650T (pt) 2019-07-10
LT2998650T (lt) 2019-07-25
PL409524A1 (pl) 2016-03-29
ES2733481T3 (es) 2019-11-29
DK2998650T3 (da) 2019-07-15
PL226499B1 (pl) 2017-07-31

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