US20070261617A1 - Incinerator with a flue gas guiding mechanism - Google Patents

Incinerator with a flue gas guiding mechanism Download PDF

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Publication number
US20070261617A1
US20070261617A1 US11/431,763 US43176306A US2007261617A1 US 20070261617 A1 US20070261617 A1 US 20070261617A1 US 43176306 A US43176306 A US 43176306A US 2007261617 A1 US2007261617 A1 US 2007261617A1
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US
United States
Prior art keywords
flue gas
stack
incinerator
guiding mechanism
combustion chamber
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.)
Abandoned
Application number
US11/431,763
Inventor
Jung-Lang Lin
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.)
Suncue Co Ltd
Original Assignee
Suncue Co Ltd
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 Suncue Co Ltd filed Critical Suncue Co Ltd
Priority to US11/431,763 priority Critical patent/US20070261617A1/en
Assigned to SUNCUE COMPANY LTD. reassignment SUNCUE COMPANY LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LIN, JUNG-LANG
Publication of US20070261617A1 publication Critical patent/US20070261617A1/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/24—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having a vertical, substantially cylindrical, combustion chamber
    • F23G5/26—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having a vertical, substantially cylindrical, combustion chamber having rotating bottom
    • 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 
    • F23C6/00—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion
    • F23C6/04—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection
    • F23C6/045—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection with staged combustion in a single enclosure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23K—FEEDING FUEL TO COMBUSTION APPARATUS
    • F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
    • F23K3/16—Over-feed arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
    • F23L17/005—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues using fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
    • F23L17/02—Tops for chimneys or ventilating shafts; Terminals for flues
    • 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 
    • F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
    • F23C2900/06041—Staged supply of oxidant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2205/00—Waste feed arrangements
    • F23G2205/14—Waste feed arrangements using hopper or bin
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2205/00—Waste feed arrangements
    • F23G2205/20—Waste feed arrangements using airblast or pneumatic feeding

Abstract

An incinerator includes: a furnace defining a combustion chamber and having a stack in fluid communication with the combustion chamber and having top and bottom open ends; and a flue gas-guiding mechanism including a flue gas conduit and a flue gas blower. The flue gas conduit has a generally L-shaped end portion extending into the stack and disposed between the top and bottom open ends of the stack. The flue gas blower is connected to the flue gas conduit for drawing flue gas out of the stack.

Description

    BACKGROUND OF THE INVENTION
  • 1. Field of the Invention
  • This invention relates to an incinerator, more particularly to an incinerator with a flue gas guiding mechanism.
  • 2. Description of the related art
  • U.S. Pat. No. 6,619,216 discloses an incinerator for combustion of hull or shell waste of agricultural crops. The incinerator includes a furnace and a stack having a damper installed therein for releasing flue gas when the pressure inside the furnace is undesirably and overly built up. However, the effectiveness of the damper in releasing the flue gas is relatively poor, and prevention of potential explosion due to sudden sharp increase in pressure inside the furnace cannot be fully ensured.
    • SUMMARY OF THE INVENTION
  • Therefore, the object of the present invention is to provide an incinerator that is capable of overcoming the aforesaid drawback associated with the prior art.
  • According to the present invention, an incinerator comprises: a furnace defining a combustion chamber and having a stack in fluid communication with the combustion chamber and having top and bottom open ends; and a flue gas-guiding mechanism including a flue gas conduit and a flue gas blower. The flue gas conduit has a generally L-shaped end portion extending into the stack and disposed between the top and bottom open ends of the stack. The flue gas blower is connected to the flue gas conduit for drawing flue gas out of the stack.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • In drawings which illustrate an embodiment of the invention,
  • FIG. 1 is a fragmentary schematic view of an incinerator of the preferred embodiment according to this invention; and
  • FIG. 2 is a fragmentary, partly sectional view to illustrate how a flue gas-guiding mechanism functions to guide flue gas out of a stack of the preferred embodiment.
    • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
  • FIGS. 1 and 2 illustrate the preferred embodiment of an incinerator according to this invention for combustion of hull or shell waste of agricultural crops.
  • The incinerator includes: a furnace 21 defining a combustion chamber 210 and having a cylindrical stack 4 in fluid communication with the combustion chamber 210 and having top and bottom open ends 42, 43; a waste-feeding unit 22 for feeding solid waste into the combustion chamber 210; and a flue gas-guiding mechanism including a flue gas conduit 6 and a flue gas blower 7. The flue gas conduit 6 is connected to and extends outwardly of the stack 4, and has a generally L-shaped end portion 61 defining an inlet 60, extending into the stack 4, and disposed between the top and bottom open ends 42, 43 of the stack 4. The flue gas blower 7 is connected to the flue gas conduit 6 for drawing flue gas out of the stack 4.
  • The flue gas-guiding mechanism further includes a hood 5 mounted in the stack 4 and disposed adjacent to the bottom open end 43 of the stack 4. The hood 5 has a non-tapered portion 51 that is in contact with the inner surface 40 of the stack 4, and a tapered portion 53 extending and tapered from the non-tapered portion 51 toward the L-shaped end portion 61 of the flue gas conduit 6 and defining a discharging opening 52 that confronts the inlet 60 of the L-shaped end portion of the flue gas conduit 6.
  • The furnace 21 is mounted in a thermally-insulating housing 23, and cooperates with the thermally-insulating housing 23 to define a gap 231 therebetween. A dryer 3 is in fluid communication with the gap 231 through a pipe unit 25 for drying crops stored therein. The thermally-insulating housing 23 has an air inlet 230 for passage of ambient air into the gap 231. The air in the gap 231 is heated by the furnace 21, and flows into the dryer 3 through the pipe unit 25.
  • The furnace 21 has a top portion 211 that is provided with a heat exchanger 8 such that the flue gas arising from the combustion chamber 210 is cooled by the heat exchanger 8 before entering into the hood 5.
  • During operation of the incinerator, the flue gas arising from the combustion chamber 210 passes through the hood 5, and enters into the stack 4. A major portion of the flue gas in the stack 4 is drawn by the flue gas blower 7 to pass into and through the flue gas conduit 6, while the remainder of the flue gas bypasses the flue gas conduit 6 and is discharged from the top open end 42 of the stack 4.
  • With the inclusion of the flue gas blower 7 and the flue gas conduit 6 in the incinerator of this invention, the aforesaid drawback as encountered in the prior art can be eliminated.
  • With the invention thus explained, it is apparent that various modifications and variations can be made without departing from the spirit of the present invention. It is therefore intended that the invention be limited only as recited in the appended claims.

Claims (2)

1. An incinerator comprising:
a furnace defining a combustion chamber and having a stack in fluid communication with said combustion chamber and having top and bottom open ends; and
a flue gas-guiding mechanism including
a flue gas conduit having a generally L-shaped end portion extending into said stack and disposed between said top and bottom open ends of said stack, and
a flue gas blower connected to said flue gas conduit for drawing flue gas out of said stack.
2. The incinerator of claim 1, wherein said flue gas-guiding mechanism further includes a hood mounted in said stack and disposed adjacent to said bottom open end of said stack, said stack having an inner surface, said hood having a non-tapered portion that is in contact with said inner surface of said stack, and a tapered portion extending and tapered from said non-tapered portion toward said L-shaped end portion of said flue gas conduit.
US11/431,763 2006-05-10 2006-05-10 Incinerator with a flue gas guiding mechanism Abandoned US20070261617A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US11/431,763 US20070261617A1 (en) 2006-05-10 2006-05-10 Incinerator with a flue gas guiding mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/431,763 US20070261617A1 (en) 2006-05-10 2006-05-10 Incinerator with a flue gas guiding mechanism

Publications (1)

Publication Number Publication Date
US20070261617A1 true US20070261617A1 (en) 2007-11-15

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Application Number Title Priority Date Filing Date
US11/431,763 Abandoned US20070261617A1 (en) 2006-05-10 2006-05-10 Incinerator with a flue gas guiding mechanism

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4485746A (en) * 1981-12-07 1984-12-04 Kelley Company, Inc. Energy recovery system for an incinerator
US5622100A (en) * 1992-07-31 1997-04-22 Ayrking Corporation Catalytic assembly for cooking smoke abatement
US6619216B2 (en) * 2001-11-28 2003-09-16 Dai-You Lin Incinerator with a dryer and a control unit for controlling temperature in the dryer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4485746A (en) * 1981-12-07 1984-12-04 Kelley Company, Inc. Energy recovery system for an incinerator
US5622100A (en) * 1992-07-31 1997-04-22 Ayrking Corporation Catalytic assembly for cooking smoke abatement
US6619216B2 (en) * 2001-11-28 2003-09-16 Dai-You Lin Incinerator with a dryer and a control unit for controlling temperature in the dryer

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Legal Events

Date Code Title Description
AS Assignment

Owner name: SUNCUE COMPANY LTD., TAIWAN

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:LIN, JUNG-LANG;REEL/FRAME:017865/0153

Effective date: 20060427

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION