WO2013053108A1 - 一种具有封闭式热交换区的炉具 - Google Patents
一种具有封闭式热交换区的炉具 Download PDFInfo
- Publication number
- WO2013053108A1 WO2013053108A1 PCT/CN2011/080668 CN2011080668W WO2013053108A1 WO 2013053108 A1 WO2013053108 A1 WO 2013053108A1 CN 2011080668 W CN2011080668 W CN 2011080668W WO 2013053108 A1 WO2013053108 A1 WO 2013053108A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wall
- fuel
- heat exchange
- zone
- combustion
- Prior art date
Links
- 239000000446 fuel Substances 0.000 claims abstract description 62
- 238000002485 combustion reaction Methods 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 239000002028 Biomass Substances 0.000 claims abstract description 10
- 239000002245 particle Substances 0.000 claims abstract description 6
- 238000009423 ventilation Methods 0.000 claims description 3
- 235000013305 food Nutrition 0.000 description 6
- 239000010902 straw Substances 0.000 description 6
- 239000007789 gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- 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
- F24B1/182—Stoves with open fires, e.g. fireplaces with additional provisions for cooking
-
- 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
- F24B1/188—Stoves with open fires, e.g. fireplaces with air-handling means, heat exchange means, or additional provisions for convection heating ; Controlling combustion characterised by use of heat exchange means , e.g. using a particular heat exchange medium, e.g. oil, gas
-
- 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
- F24B1/188—Stoves with open fires, e.g. fireplaces with air-handling means, heat exchange means, or additional provisions for convection heating ; Controlling combustion characterised by use of heat exchange means , e.g. using a particular heat exchange medium, e.g. oil, gas
- F24B1/1885—Stoves with open fires, e.g. fireplaces with air-handling means, heat exchange means, or additional provisions for convection heating ; Controlling combustion characterised by use of heat exchange means , e.g. using a particular heat exchange medium, e.g. oil, gas the heat exchange medium being air only
- F24B1/1886—Stoves with open fires, e.g. fireplaces with air-handling means, heat exchange means, or additional provisions for convection heating ; Controlling combustion characterised by use of heat exchange means , e.g. using a particular heat exchange medium, e.g. oil, gas the heat exchange medium being air only the heat exchanger comprising only tubular air ducts within the fire
-
- 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
-
- 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
- F24B1/191—Component parts; Accessories
Definitions
- the present invention relates to a stove using biomass fuel, and more particularly to a use Small particles made of straw, wood chips, crop straws, etc., are used as fuel, and the heat exchange zone adopts a closed form to greatly improve the energy utilization efficiency of the stove.
- Biomass fuel is Small particles made by crushing straw, sawdust, crop straw, etc. As a new type of energy, biomass fuel has begun to gain wider application due to its advantages of hygiene, environmental protection, high efficiency and economy.
- a typical prior art biomass fuel stove is disclosed in the Chinese utility model patent CN201903090U 'a heat storage stove'.
- the furnace has a combustion chamber (not shown) in which biomass fuel is combusted.
- a furnace 91 is provided above the combustion chamber, and the furnace 91 has an upper opening 92.
- Upper opening There is a cooktop 96 around the kitchen, and the area above the upper opening 92 of the cooktop 96 is the heat exchange area 93.
- Heat or cooking equipment such as pots for food or water can also be used to directly set up foods that need to be heated.
- the flame generated in the combustion chamber is discharged from the upper opening 92 through the furnace 91 in the heat exchange zone 93 Heat food or equipment that requires heat exchange.
- a supplemental air chamber 94 may be disposed on the outer wall of the top of the furnace 91, and a plurality of air supply holes 95 communicating with the air supply chamber 94 are disposed on the inner wall. Filling room 94 The inlet end is connected with a supplement air pipe (not shown), and the air supply pipe fills the furnace 91 through the air supply chamber 94 and the air supply hole 95 to make the furnace 91
- the unburned gas is fully burned, which improves the combustion efficiency and reduces the pollution of the air caused by insufficiently burnt gas.
- the open heat exchange zone 93 of the furnace causes the loss of heat of the flame in the air, and there is still a problem of waste of heat energy.
- the technical problem to be solved by the present invention is to provide a stove having a closed heat exchange zone, which can reduce the heat energy cost and has higher energy utilization rate than the conventional stove.
- the present invention provides a A stove having a closed heat exchange zone that uses biomass fuel particles and includes a body that can be placed on the ground, the body including a combustion chamber and an auxiliary equipment box.
- the burner contains a burner having a fuel rack plate, a side panel extending upwardly along the periphery of the fuel rack plate, and a blast zone located below the fuel rack plate.
- the side plate is surrounded by a combustion zone above the fuel shelf plate, and a plurality of ventilation holes are formed on the fuel shelf plate.
- the burner has a heating portion above, the heating portion includes a cylindrical inner wall and a cylindrical outer wall; the inner wall of the cylinder defines a heat exchange zone, and a side heating space is formed between the cylindrical inner wall and the cylindrical outer wall.
- the lower portion of the cylindrical inner wall is provided with a plurality of flame holes leading to the side heating space near the burner.
- the upper portion of the cylindrical outer wall is fixed with a chimney that communicates with the upper portion of the side heating space.
- An opening is formed in a position on a top surface of the combustion chamber opposite to the cylindrical inner wall.
- the auxiliary equipment box houses a fuel delivery mechanism and electrical equipment.
- the fuel delivery mechanism includes a hopper, a delivery barrel having one end communicating with the outlet below the hopper and the other end extending into the combustion zone, and a rotatable fuel auger rod accommodated in the delivery cylinder.
- the electrical equipment includes a feed motor that drives the fuel auger, a blower that supplies air to the blast zone, a power source, a power switch, and a power indicator.
- the beneficial effect of the invention is that in the heat exchange process, the heat exchange zone is closed, and the flame can not only generate direct heating in the heat exchange zone, but also heat exchange zone in the process of flowing through the side heating space. Further heating, rather than a large portion of the heat in the furnace in a conventional open heat exchange zone, is dissipated in the air. Therefore, the heat energy in the present invention is utilized more efficiently.
- Figure 1 is a perspective view of a preferred embodiment of the present invention.
- Figure 2 is a top plan view of the embodiment of Figure 1 of the present invention.
- Figure 3 is a cross-sectional plan view of the A-A direction of Figure 2 of the present invention.
- Figure 4 is a circuit diagram of a portion of an electrical device in accordance with a preferred embodiment of the present invention. as well as,
- Figure 5 is a cross-sectional plan view of a conventional biomass fuel stove.
- FIG. 1 Shown is a perspective view of a preferred embodiment of a furnace having a closed heat exchange zone of the present invention.
- the oven having a closed heat exchange zone includes a body 1 that can be placed on the ground, and the body 1 includes a combustion chamber. And an auxiliary equipment box 20 .
- the combustion box 10 includes a bottom surface 11 that can be laid flat on the ground, and a bottom surface 11 A side surface 12 extending upwardly from the periphery, a top surface 13 connected to the upper edge of the side surface 12 and opposite to the bottom surface 11.
- a switchable door 121 is opened on the side 12.
- the combustion chamber 10 houses a burner 30 having a fuel rack 31 and a fuel rack 31 A side panel 32 extending upwardly from the periphery, and a blast zone 33 located below the fuel rack plate 31.
- the side plates 32 enclose a combustion zone 34 above the fuel shelf plate 31.
- Fuel rack plate 31 A plurality of ventilation holes 311 are opened, and an ignition rod window 312 may be opened.
- An ignition rod 61 may be installed in the air blowing area 33 and exposed to the combustion area through the ignition rod window 312. .
- a heating portion 40 which includes a cylindrical inner wall 41 and a cylindrical outer wall 42.
- the inner wall 41 of the cylindrical shape encloses a heat exchange zone 43, and a side heating space 44 is formed between the cylindrical inner wall 41 and the cylindrical outer wall 42.
- the lower portion of the cylindrical inner wall 41 is adjacent to the burner 30
- a plurality of flame holes 411 leading to the side heating space 44 are provided.
- the plurality of flame holes 411 can be arranged in a row of equal spacing as shown in the preferred embodiment.
- Cylindrical outer wall 42 The upper portion is fixed with a chimney 45 that communicates with the upper portion of the side heating space 44.
- the chimney 45 extends through the auxiliary equipment box 20 beyond the body 1.
- An opening 131 is defined at a position opposite to the cylindrical inner wall 41, and a cover (not shown) may be attached to the opening 131.
- Flame hole 411 inside the cylindrical inner wall 41 A step 412 can also be added to the above position, and the step 412 can be used to place a pot (not shown).
- the auxiliary equipment box 20 houses a fuel delivery mechanism 50 and electrical equipment 60.
- the fuel delivery mechanism 50 includes a hopper 51 A feed cylinder 52 having one end connected to the outlet below the hopper 51 and extending into the combustion zone 34 at the other end, and a rotatable fuel auger rod 53 accommodated in the feed cylinder 52.
- Electrical Equipment The circuit diagram of 60 is shown in Fig. 4, and includes an ignition rod 61, a feeding motor 62 for driving the fuel auger rod 53, and a blower for blowing air into the blast zone 33 in the burner 30. 63, power supply 64, a power switch 65 and power indicator 66.
- the power supply 64 can be either an AC/DC power supply 641 or a parallel battery 641 on the AC/DC power supply 641. As an auxiliary power source.
- the power switch 65 is mounted on the auxiliary equipment box 20 to control the power supply of the entire circuit. It is also installed near the power switch 65 on the auxiliary equipment box 20 to indicate the opening and closing state of the power switch 65.
- Fuel 70 is a biomass fuel and is a small particle that is crushed and pressed from straw, wood chips, and crop straw.
- the user can first place the body 1 of the present invention on the ground at the desired position, and pour the fuel 70 into the hopper 51. Next, the user can directly put the food or water to be heated into the heat exchange area 43 and then cover the lid on the opening 131 of the top surface 13, or a pot whose shape can fit the cylindrical inner wall 41. It is placed over the step 412 within the heat exchange zone 43.
- the switch indicator light 66 lights up, indicating that the power is turned on and the stove starts to work.
- the feed motor 62 rotates, and the fuel auger rod 53 is driven to feed the fuel 70 into the burner 30, and the fuel 70 falls on the fuel rack 31 by gravity.
- the energized ignition rod 61 becomes hot, and the fuel 70 in the combustion zone 34 on the fuel shelf plate 31 is ignited through the ignition rod window 312.
- the blower 63 begins to blow air into the blast zone 33, and the wind enters the combustion zone 34 through the venting apertures 311 formed in the fuel shelf plate 31 to provide the required oxygen for combustion of the fuel 70.
- a low concentration of methane gas is generated, which generates a flame under the action of the air current generated by the blower 63.
- the heat exchange zone 43 Since the food is placed directly in the heat exchange zone 43 and the lid is placed or the pan is placed over the step 412 in the heat exchange zone 43, the heat exchange zone 43 is closed, passing through the flame hole 411 and heating sideways. Both the space 44 and the chimney 45 are the only passages through which the airflow drives the flame.
- the circuit controls the ignition rod 61 to be powered off, saving power. During use, the user can open the lid or lid to handle the food at any time.
- the user can disconnect the power switch 65, the switch indicator light 66 is turned off, and the feeding motor 62 Stop turning and blower 63 stops. Without the new fuel 70 being supplied to the combustion, the fuel in the combustion zone 34 will soon burn out and the user can open the door 121 to clean the ash in the blast zone 33.
- the edge portion of the fuel rack plate 31 may be inclined upward at an angle to form a low ground in the middle. The low ground can gather the fuel 70 to avoid excessive combustion of the edge fuel and heat generation.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Solid-Fuel Combustion (AREA)
Abstract
Description
Claims (1)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/351,143 US20140251299A1 (en) | 2011-10-11 | 2011-10-11 | Oven having an enclosed heat exchange zone |
CA2865969A CA2865969A1 (en) | 2011-10-11 | 2011-10-11 | An oven having an enclosed heat exchange zone |
CN201180072749.1A CN104053952A (zh) | 2011-10-11 | 2011-10-11 | 一种具有封闭式热交换区的炉具 |
PCT/CN2011/080668 WO2013053108A1 (zh) | 2011-10-11 | 2011-10-11 | 一种具有封闭式热交换区的炉具 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2011/080668 WO2013053108A1 (zh) | 2011-10-11 | 2011-10-11 | 一种具有封闭式热交换区的炉具 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013053108A1 true WO2013053108A1 (zh) | 2013-04-18 |
Family
ID=48081352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2011/080668 WO2013053108A1 (zh) | 2011-10-11 | 2011-10-11 | 一种具有封闭式热交换区的炉具 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20140251299A1 (zh) |
CN (1) | CN104053952A (zh) |
CA (1) | CA2865969A1 (zh) |
WO (1) | WO2013053108A1 (zh) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019028063A1 (en) * | 2017-07-31 | 2019-02-07 | Stice Coleen | STOVE WITHOUT DANGER |
US10995945B2 (en) * | 2017-08-10 | 2021-05-04 | United States Stove Company | Biomass pellet combustion system |
CN111895451A (zh) * | 2020-07-27 | 2020-11-06 | 山东禄旭环保科技有限公司 | 多功能生物质颗粒采暖炉 |
CN112484018A (zh) * | 2021-01-07 | 2021-03-12 | 禹州市方正炉业有限公司 | 一种炉子 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2906375Y (zh) * | 2006-01-19 | 2007-05-30 | 清华大学 | 一种生物质颗粒燃料炊事取暖两用炉 |
CN201110568Y (zh) * | 2007-02-05 | 2008-09-03 | 胡明生 | 生物质压缩燃料多功能炉 |
CN101532681A (zh) * | 2009-04-17 | 2009-09-16 | 罗久 | 燃烧器在生物质炉灶中利用技术及制作方法 |
WO2010029567A2 (en) * | 2008-07-23 | 2010-03-18 | First Energy Private Limited | Biomass stove apparatus and method for its use |
WO2010118304A1 (en) * | 2009-04-10 | 2010-10-14 | Colorado State University Research Foundation | Cook stove assembly |
CN102116490A (zh) * | 2010-12-28 | 2011-07-06 | 朱宏锋 | 二次送风燃烧炉具 |
CN102121747A (zh) * | 2010-12-28 | 2011-07-13 | 朱宏锋 | 一种锅炉 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US42833A (en) * | 1864-05-24 | Improvement in stoves | ||
US5429110A (en) * | 1994-09-09 | 1995-07-04 | Tsd Industries, Inc. | Mobile pellet stove with thermal barrier and ventilated firepot |
CN201425297Y (zh) * | 2009-04-10 | 2010-03-17 | 黎德汪 | 一种颗粒燃料燃烧装置 |
-
2011
- 2011-10-11 CA CA2865969A patent/CA2865969A1/en not_active Abandoned
- 2011-10-11 CN CN201180072749.1A patent/CN104053952A/zh active Pending
- 2011-10-11 US US14/351,143 patent/US20140251299A1/en not_active Abandoned
- 2011-10-11 WO PCT/CN2011/080668 patent/WO2013053108A1/zh active Application Filing
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2906375Y (zh) * | 2006-01-19 | 2007-05-30 | 清华大学 | 一种生物质颗粒燃料炊事取暖两用炉 |
CN201110568Y (zh) * | 2007-02-05 | 2008-09-03 | 胡明生 | 生物质压缩燃料多功能炉 |
WO2010029567A2 (en) * | 2008-07-23 | 2010-03-18 | First Energy Private Limited | Biomass stove apparatus and method for its use |
WO2010118304A1 (en) * | 2009-04-10 | 2010-10-14 | Colorado State University Research Foundation | Cook stove assembly |
CN101532681A (zh) * | 2009-04-17 | 2009-09-16 | 罗久 | 燃烧器在生物质炉灶中利用技术及制作方法 |
CN102116490A (zh) * | 2010-12-28 | 2011-07-06 | 朱宏锋 | 二次送风燃烧炉具 |
CN102121747A (zh) * | 2010-12-28 | 2011-07-13 | 朱宏锋 | 一种锅炉 |
Also Published As
Publication number | Publication date |
---|---|
US20140251299A1 (en) | 2014-09-11 |
CA2865969A1 (en) | 2013-04-18 |
CN104053952A (zh) | 2014-09-17 |
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