CA2738432A1 - Biomass burner for a maple syrup evaporator - Google Patents

Biomass burner for a maple syrup evaporator Download PDF

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Publication number
CA2738432A1
CA2738432A1 CA2738432A CA2738432A CA2738432A1 CA 2738432 A1 CA2738432 A1 CA 2738432A1 CA 2738432 A CA2738432 A CA 2738432A CA 2738432 A CA2738432 A CA 2738432A CA 2738432 A1 CA2738432 A1 CA 2738432A1
Authority
CA
Canada
Prior art keywords
plenum
biomass burner
primary air
combustion chamber
air supply
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
CA2738432A
Other languages
French (fr)
Other versions
CA2738432C (en
Inventor
Martin Bergeron
Vallier Chabot
Maurice Beauchamp
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.)
Equipements dErabliere CDL Inc
Original Assignee
Equipements dErabliere CDL Inc
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 Equipements dErabliere CDL Inc filed Critical Equipements dErabliere CDL Inc
Priority to CA2738432A priority Critical patent/CA2738432C/en
Publication of CA2738432A1 publication Critical patent/CA2738432A1/en
Application granted granted Critical
Publication of CA2738432C publication Critical patent/CA2738432C/en
Active 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
    • F23B40/00—Combustion apparatus with driven means for feeding fuel into the combustion chamber
    • F23B40/04—Combustion apparatus with driven means for feeding fuel into the combustion chamber the fuel being fed from below through an opening in the fuel-supporting surface
    • C—CHEMISTRY; METALLURGY
    • C13—SUGAR INDUSTRY
    • C13B—PRODUCTION OF SUCROSE; APPARATUS SPECIALLY ADAPTED THEREFOR
    • C13B25/00—Evaporators or boiling pans specially adapted for sugar juices; Evaporating or boiling sugar juices
    • C13B25/02—Details, e.g. for preventing foaming or for catching juice
    • C13B25/04—Heating equipment
    • 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
    • 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

Landscapes

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

Abstract

A burner using biomass combustibles, namely pellet fuel, for a maple syrup evaporator. Compared to wood or oil burning heat sources, pellet fuel is less costly, burns more efficiently and generates the heat necessary to properly evaporate maple sap. The burner includes a burn pit defining a plurality of holes for allowing air to communicate between a combustion chamber and a primary air plenum formed between a base and an underside of the burn pit. An air supply conduit supplies air supply to the primary air plenum. A fuel conduit in communication with the combustion chamber supplies the pellet fuel for combustion within said burn pit. A secondary plenum in pneumatic communication with the primary air plenum receives and cools a portion of the primary air supply. A plurality of injectors in communication with the secondary plenum inject the cooled air into the combustion chamber.

Claims (10)

1. A biomass burner (32) for a maple sap evaporator comprising:
a burner assembly (36) comprising a base (54) and a top for forming a combustion chamber (66) therein, said top defining an entrance and an exit;
a burn pit (68) disposed within said base (54) and defining a plurality of holes (70) for allowing air to communicate between said combustion (66) chamber and a primary air plenum (76) formed between said base (54) and an underside of said burn pit (68);
an air supply conduit (90) for supplying a primary air supply to said primary air plenum (76);
a fuel conduit (92) in communication with said combustion chamber (66) for supplying a pellet fuel (46) for combustion within said burn pit (68);
a secondary plenum (102) in pneumatic communication with said primary air plenum (76) for receiving and cooling a portion of said primary air supply; and a plurality of injectors (106) in communication with said secondary plenum (102) for injecting said cooled air into said combustion chamber (66);
wherein when said pellet fuel (46) undergoes combustion with said primary air supply, a generated heat is directed towards said exit by said injected cooled air.
2. The biomass burner of claim 1, wherein the a plurality of holes (70) of the burn pit (68) are evenly distributed thereon.
3. The biomass burner of claim 1 or 2, wherein said top is a semi-circular dome (56).
4. The biomass burner according any one of claims 1 to 3, wherein said exit comprises a cone (86) for accelerating said heat out of said combustion chamber (66).
5. The biomass burner according to any one of claims 1 to 4, further comprising a hollow divider (82) projecting from said burn pit (68) into said combustion chamber (66) for dividing said supplied pellet fuel into two sub-burn pits.
6. The biomass burner according to any one of claims 1 to 5, further comprising a door (40) for sealing said entrance.
7. The biomass burner of claim 6, wherein said door (40) is hollowed for providing said secondary air plenum (102), said door (40) comprising an inlet for pneumatic communication of said primary air plenum (76) and said secondary air plenum (102) and defining a plurality of holes formed within said door (40) for forming said injectors (106).
8. The biomass burner according to any one of claims 1 to 7, wherein said pellet fuel (46) is supplied to said burn pit (68) by an auger screw conveyor (114) provided in said fuel conduit (92).
9. The biomass burner according to any one of claims 1 to 8, wherein said primary air supply is supplied to said primary and said secondary air plenums (76, 102) via an air blower (96) connected to said air supply conduit (90).
10. The biomass burner according to any one of claims 1 to 8, wherein said pellet fuel is wood pellet fuel.
CA2738432A 2011-04-27 2011-04-27 Biomass burner for a maple syrup evaporator Active CA2738432C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2738432A CA2738432C (en) 2011-04-27 2011-04-27 Biomass burner for a maple syrup evaporator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA2738432A CA2738432C (en) 2011-04-27 2011-04-27 Biomass burner for a maple syrup evaporator

Publications (2)

Publication Number Publication Date
CA2738432A1 true CA2738432A1 (en) 2012-08-13
CA2738432C CA2738432C (en) 2014-01-21

Family

ID=46671144

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2738432A Active CA2738432C (en) 2011-04-27 2011-04-27 Biomass burner for a maple syrup evaporator

Country Status (1)

Country Link
CA (1) CA2738432C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104764039A (en) * 2015-04-27 2015-07-08 吉林大学 Boiler arch of small biomass boiler

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3079715A1 (en) 2019-04-25 2020-10-25 Les Equipements Lapierre Inc. Energy release control system from biomass combustion for maple syrup evaporator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104764039A (en) * 2015-04-27 2015-07-08 吉林大学 Boiler arch of small biomass boiler
CN104764039B (en) * 2015-04-27 2017-05-10 吉林大学 Boiler arch of small biomass boiler

Also Published As

Publication number Publication date
CA2738432C (en) 2014-01-21

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