US20130276721A1 - Boiler - Google Patents

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Publication number
US20130276721A1
US20130276721A1 US13/976,513 US201013976513A US2013276721A1 US 20130276721 A1 US20130276721 A1 US 20130276721A1 US 201013976513 A US201013976513 A US 201013976513A US 2013276721 A1 US2013276721 A1 US 2013276721A1
Authority
US
United States
Prior art keywords
boiler
ash
hearth
air supply
excretion
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
US13/976,513
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English (en)
Inventor
Hongfeng Zhu
Zhuhong Wang
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of US20130276721A1 publication Critical patent/US20130276721A1/en
Abandoned legal-status Critical Current

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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
    • F24H1/18—Water-storage heaters
    • F24H1/187—Water-storage heaters using solid fuel
    • 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
    • F23B30/06—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 specially adapted for advancing fuel through the combustion zone
    • F23B30/10—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 specially adapted for advancing fuel through the combustion zone with fuel-supporting surfaces having fuel advancing elements that are movable, but remain essentially in the same place, e.g. with rollers or reciprocating grate bars
    • 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
    • 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
    • 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
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B1/00—Stoves or ranges
    • F24B1/18—Stoves with open fires, e.g. fireplaces
    • F24B1/185—Stoves with open fires, e.g. fireplaces with air-handling means, heat exchange means, or additional provisions for convection heating ; Controlling combustion
    • F24B1/189—Stoves with open fires, e.g. fireplaces with air-handling means, heat exchange means, or additional provisions for convection heating ; Controlling combustion characterised by air-handling means, i.e. of combustion-air, heated-air, or flue-gases, e.g. draught control dampers 
    • F24B1/19—Supplying combustion-air
    • F24B1/1905—Supplying combustion-air in combination with provisions for heating water only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B5/00—Combustion-air or flue-gas circulation in or around stoves or ranges
    • F24B5/02—Combustion-air or flue-gas circulation in or around stoves or ranges in or around stoves
    • F24B5/021—Combustion-air or flue-gas circulation in or around stoves or ranges in or around stoves combustion-air circulation
    • F24B5/025—Supply of secondary air for completing combustion of fuel
    • 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
    • F24H1/0063—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters using solid fuel
    • 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
    • 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

Definitions

  • the invention is in the field of heat exchange, and more particularly, is a boiler.
  • Boilers are common appliances for heat change, which heat water contained in the boiler by burning of fuel.
  • the heated water is usually used in many ways in life such as getting warm, bathing and drinking.
  • a method of working of a conventional boiler is usually like this: a spiral water pipe is provided in a hearth of a boiler.
  • the water pipe is in communication with a tank of the boiler.
  • high temperature gas from combustion in the hearth heats the water pipe, and the water in the water pipe is then heated and driven to run into the tank of the boiler.
  • the high temperature gas moves upward in the hearth at a very high speed and quickly passes the water pipe and then exits the boiler.
  • a time for the high temperature gas to heat the water pipe is very short.
  • the main object of the invention is to provide a boiler which is able to increase a use ratio of heat energy of fuel therein and decrease a malfunction ratio thereof.
  • the present invention provides a boiler having a tank, a hearth contained in the tank, a gas pipe having one end in communication with a gas exit of the hearth and the other end passing through the hearth, a combustor in communication with a bottom of the hearth, and a fuel supply device being connected to a fuel inlet of the combustor.
  • a plurality of heat exchange fins is formed on a portion of the gas pipe in the tank.
  • a dust collection box is provided at the end of the gas pipe passing through the tank, and at least one filter screen is disposed in the dust collection box.
  • one heat insulation layer is provided round an outer surface of the tank.
  • a plurality of air supply holes is defined in a wall of the hearth, an air supply chamber is formed on an outside surface of the hearth surrounding the plurality of air supply holes, and an air supply pipe is provided air communicating the air supply chamber.
  • the air supply chamber is of a circular shape and the air supply holes are evenly disposed in the hearth.
  • the combustor has a combustion chamber, an ash excretion roller and an ash excretion motor, an ignition bar being in a bottom of the combustion chamber, a plurality of air inlets being defined in the bottom near a fuel inlet of the combustion chamber, the ash excretion roller being disposed in the bottom near an ash outlet of the combustion chamber and rolling in a direction to the ash outlet, the ash excretion roller being of barrel shape having air vents defined in a wall thereof, an air supply chamber being disposed under the combustion chamber, the air supply chamber being, in communication with the air inlets at the fuel inlet and the air vents in the ash excretion roller, an output of the ash excretion motor being connected to an axle of the ash excretion roller.
  • the fuel supply device has a hopper, a rotor and a feed motor, a feed pipe being under the hopper and in communication with an opening in the hopper, the rotor being contained in the feed pipe and having a spiral sector formed thereon, the feed motor having an output being connected to the rotor.
  • the hopper is of conical and the rotor is disposed under a bottom of the hopper having a smaller cross-sectional area.
  • the boiler further has an ash tray under an outlet of the combustor.
  • FIG. 1 is a schematic top view of the preferred embodiment of the invention.
  • FIG. 2 is a right side view thereof.
  • FIG. 3 is a cross-sectional view along B-B in FIG. 1 .
  • FIG. 4 is a cross-sectional view along A-A in FIG. 1 .
  • FIG. 5 is a partial view thereof.
  • FIG. 6 is another partial view thereof.
  • the invention provides a boiler which is able to increase a use ratio of heat energy of fuel therein and decrease a malfunction ratio thereof.
  • FIG. 1 is a schematic top view of the preferred embodiment of the invention.
  • FIG. 2 is a right view thereof.
  • FIG. 3 is a cross-sectional view along B-B in FIG. 1 .
  • FIG. 4 is a cross-sectional view along A-A in FIG. 1 .
  • FIG. 5 is a partial view thereof.
  • FIG. 6 is another partial view thereof.
  • the boiler of the invention has a tank 9 , a gas pipe 6 , a hearth 5 , a combustor 1 , and a fuel supply device.
  • the hearth 5 is disposed in the tank 9 and has a bottom in communication with the combustor 1 .
  • the combustor 1 is a place for the fuel to burn. High temperature gas produced by the burning in the combustor 1 enters the hearth 5 .
  • One end of the gas pipe 6 is in communication with a gas exit of the hearth 5 , and the other end thereof passes through the hearth 5 .
  • a portion of the gas pipe 6 in the hearth 5 extends spirally.
  • the fuel supply device is for conveying fuel to the combustor 1 and is in communication with a fuel inlet of the combustor 1 .
  • fuel is supplied to the combustor 1 by the fuel supply device.
  • the high temperature gas produced by the burning in the combustor 1 enters the gas pipe 6 via the hearth 5 .
  • the portion of the gas pipe 6 in the hearth 5 extends spirally. Water contained in the tank 9 is heated via the gas pipe 6 . Gas exits the gas pipe 6 after heat is fully absorbed.
  • a way of heating is changed from a conventional type of “fire surrounding water” to a “water surrounding fire”.
  • the gas pipe 6 directing the high temperature gas therein passes through the tank 9 , and the hearth 5 and the gas pipe 6 are disposed in the tank 9 . All heat giving out from the hearth 5 and the gas pipe 6 is absorbed by the water contained in the tank 9 .
  • the portion of the gas pipe 6 in the hearth 5 is spiral in order to increase a running distance of the gas in the gas pipe 6 .
  • a time for heat exchange between the gas in the gas pipe 6 and the water in the tank 9 is thus being increased.
  • Heat in the high temperature gas is able to be absorbed fully and a heat energy use ratio is able to be increased.
  • the “water surrounding fire” type of heating in which the gas pipe 6 passes through the tank 9 a clog of the water pipe by incrustation will no longer exist. A malfunction rate of the boiler is thus being decreased.
  • the portion of the gas pipe 6 in the tank 9 is a main part thereof for heating the water in the tank 9 , and the portion extends in the tank 9 spirally.
  • the portion is able to extend in any pattern of spiral in the tank 9 . More preferably, the portion of the gas pipe 6 in the tank 9 extends spirally round an outer surface of the hearth 5 . This pattern of spiral is able to make a structure of the boiler of the invention more compact.
  • a plurality of heat exchange fins or needles are formed on the portion of the gas pipe 6 in the tank 9 . The heat exchange fins or needles are able to increase a contact area between the gas pipe 6 and water, which will increase heat exchange ratio and make more heat in the high temperature gas in the gas pipe 6 be absorbed.
  • the high temperature gas in the gas pipe 6 from the hearth 5 contains a lot of dust.
  • a dust collection box 12 is provided at the end of the gas pipe 6 passing through the tank 9 .
  • At least one filter screen is disposed in the dust collection box 12 . Dust is able to be filtrated to the dust collection box 12 when gas passes through the filter screen. A content of dust in an emission may be decreased.
  • the dust in the dust collection box 12 is able to be cleaned termly when a certain amount is accumulated.
  • An exhaust fan 121 is able to be disposed at an outlet of the dust collection box 12 .
  • more layers of filter screens can be disposed in the dust collection box 12 .
  • the layers of the filter screen are placed parallel with respect to each other.
  • the layers of the filter screen are placed parallel and staggerly, in a distal and a proximal end of the dust collection box 12 .
  • a body of the tank 9 may lose some heat.
  • one heat insulation layer may be provided round an outer surface of the tank 9 .
  • a heat dissipation ratio may be diminished by the heat insulation layer.
  • a water inlet and a water outlet are provided in the body of the tank 9 respectively for water injection and drainage.
  • a plurality of air supply holes 52 is defined in a wall of the hearth 5 .
  • An air supply chamber 51 is formed on an outside surface of the hearth 5 surrounding the plurality of air supply holes 52 .
  • An air supply pipe 8 is provided air communicating an air inlet of the air supply chamber 51 . Air is supplied into the hearth 5 and then mixed with the high temperature therein. In a high temperature circumstance, plenty of air helps the uncompleted burn gas combust at a second time, which brings a more completed combustion.
  • the air supply chamber 51 of the hearth 5 is of a circular shape and the air supply holes 52 are evenly disposed in the hearth 5 . This feature is able to ensure air be supplied into the hearth 5 in various direction via the air supply hole 52 in the second time air supply. An effect of air supply, may be improved.
  • the combustor 1 is a place where burning occurs.
  • the combustor 1 can be of any type.
  • the embodiment provides a combustor 1 having a combustion chamber, an ash excretion roller 101 and an ash excretion motor 10 .
  • An ignition bar 11 is provided in a bottom of the combustion chamber.
  • a plurality of air inlets are defined in the bottom near a fuel inlet of the combustion chamber.
  • the ash excretion roller 101 is disposed in the bottom near an ash outlet of the combustion chamber and rolls in a direction to the ash outlet.
  • the ash excretion roller 101 is of barrel shape having air vents defined in a wall thereof.
  • An air supply chamber 102 is disposed under the combustion chamber.
  • the air supply chamber 102 is in communication with the air inlets at the fuel inlet and the air vents in the ash excretion roller 101 .
  • An output of the ash excretion motor 10 is connected to an axle of the ash excretion roller 101 .
  • the ash excretion roller 101 is driven to rotate by the ash excretion motor 10 .
  • the above ash excretion motor 10 may be a batch type motor and be controlled by an electric control box 13 provided on the boiler 1 .
  • the fuel supplied by the fuel supply device to the combustor 1 in the invention can be various type and way of conveying.
  • the fuel supply device has a hopper 3 , a rotor 21 , and a feed motor 4 .
  • a feed pipe 2 is provided under the hopper 3 and in communication with an opening in the hopper 3 .
  • the rotor 21 is contained in the feed pipe 2 .
  • a spiral sector is formed on the rotor 21 .
  • An output of the feed motor 4 is connected to the rotor 21 .
  • the rotor 21 is driven to rotate by the feed motor 4 and the fuel in the hopper 3 will be conveyed to the combustor 1 under a push of the spiral sector through the feed pipe 2 . Fuel feeding is thus being automated.
  • the feed motor 4 may be a batch type motor and be controlled by the electric control box 13 provided on the boiler 1 .
  • the hopper 3 is a part for fuel storage.
  • the hopper 3 is of conical shape and the rotor 21 is disposed under a bottom thereof having a smaller cross-sectional area.
  • subsequent fuel automatically drops to the opening of the hopper 3 and is conveyed by the rotor 21 .
  • an ash tray 7 is provided under the outlet of the combustor 1 . Ash produced by the fuel after combustion enters the ash tray 7 and is collected thereby.
US13/976,513 2010-12-28 2010-12-28 Boiler Abandoned US20130276721A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2010/080351 WO2012088660A1 (zh) 2010-12-28 2010-12-28 一种锅炉

Publications (1)

Publication Number Publication Date
US20130276721A1 true US20130276721A1 (en) 2013-10-24

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Family Applications (1)

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US13/976,513 Abandoned US20130276721A1 (en) 2010-12-28 2010-12-28 Boiler

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US (1) US20130276721A1 (zh)
CA (1) CA2823428A1 (zh)
WO (1) WO2012088660A1 (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105805784A (zh) * 2016-05-24 2016-07-27 江苏神工灶具有限公司 自动供水油气两用节能灶
CN105841200A (zh) * 2016-05-24 2016-08-10 江苏神工灶具有限公司 油气两用节能灶

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103388841B (zh) * 2012-05-10 2016-09-28 李庆来 一种高效燃煤采暖炉
CN102922576A (zh) * 2012-10-26 2013-02-13 安徽鸿叶集团鸿亮竹业有限公司 竹筷蒸煮锅炉
CN104776586B (zh) * 2015-04-29 2018-09-21 马德明 一种可移动卧式锅炉
CN106288367A (zh) * 2015-06-11 2017-01-04 全爱军 一种改进的采暖炉
CN114543066A (zh) * 2022-02-24 2022-05-27 福建中闽绿康环保设备有限公司 一种集成式热风炉

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3858534A (en) * 1973-01-16 1975-01-07 Interstate Utilities Corp System for producing electric power and concurrently disposing of garbage and refuse
US4416418A (en) * 1982-03-05 1983-11-22 Goodstine Stephen L Fluidized bed residential heating system
US7621227B2 (en) * 2005-12-16 2009-11-24 Sterr Kevin K Granular biomass burning heating system
US7644669B2 (en) * 2007-05-03 2010-01-12 Alan Cross Coal fired process heaters
US20100251973A1 (en) * 2009-03-12 2010-10-07 Dongo Kenneth A Fluid heating system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN87202287U (zh) * 1987-02-13 1988-02-24 张兴波 立式热水(蒸汽)锅炉
CN2246270Y (zh) * 1994-08-11 1997-01-29 夏有年 高效无黑烟热水炉
CN2205488Y (zh) * 1994-12-21 1995-08-16 张仰明 全自动燃煤立式锅炉
CN2563493Y (zh) * 2002-07-01 2003-07-30 李成泉 螺旋式烟道换热器
CN2704759Y (zh) * 2004-03-01 2005-06-15 张忠富 立式消烟除尘节能锅炉
CN100362290C (zh) * 2005-11-09 2008-01-16 张祥文 环保节能采暖炉
US7836856B2 (en) * 2007-12-13 2010-11-23 Bock Water Heaters, Inc. Water heater with condensing flue
CN201555349U (zh) * 2009-11-10 2010-08-18 肖云朝 柴煤热水器
CN102121747B (zh) * 2010-12-28 2013-05-01 朱宏锋 一种锅炉
CN201903160U (zh) * 2010-12-28 2011-07-20 朱宏锋 一种锅炉

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3858534A (en) * 1973-01-16 1975-01-07 Interstate Utilities Corp System for producing electric power and concurrently disposing of garbage and refuse
US4416418A (en) * 1982-03-05 1983-11-22 Goodstine Stephen L Fluidized bed residential heating system
US7621227B2 (en) * 2005-12-16 2009-11-24 Sterr Kevin K Granular biomass burning heating system
US7644669B2 (en) * 2007-05-03 2010-01-12 Alan Cross Coal fired process heaters
US20100251973A1 (en) * 2009-03-12 2010-10-07 Dongo Kenneth A Fluid heating system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105805784A (zh) * 2016-05-24 2016-07-27 江苏神工灶具有限公司 自动供水油气两用节能灶
CN105841200A (zh) * 2016-05-24 2016-08-10 江苏神工灶具有限公司 油气两用节能灶

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Publication number Publication date
CA2823428A1 (en) 2012-07-05
WO2012088660A1 (zh) 2012-07-05

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