CN104053952A - Stove with closed heat exchange area - Google Patents
Stove with closed heat exchange area Download PDFInfo
- Publication number
- CN104053952A CN104053952A CN201180072749.1A CN201180072749A CN104053952A CN 104053952 A CN104053952 A CN 104053952A CN 201180072749 A CN201180072749 A CN 201180072749A CN 104053952 A CN104053952 A CN 104053952A
- Authority
- CN
- China
- Prior art keywords
- wall
- fuel
- frame plate
- stove
- cylindrical inner
- 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.)
- Pending
Links
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
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
A stove with a closed heat exchange area uses biomass particles (70) as fuel. The stove comprises a body (1) capable of being placed on the ground. The body (1) comprises a combustion chamber (10) and an auxiliary equipment chamber (20). A combustor (30) is accommodated in the combustion chamber (10). The combustor (30) has a fuel frame plate (31), a side plate (32) extending upward along a periphery of the fuel frame plate (31), and a blast area (33) located below the fuel frame plate (31). The side plate (32) encircles a combustion area (34) above the fuel frame plate (31). A heating portion (40) is arranged above the combustor (30). The heating portion (40) comprises a cylindrical inner wall (41) and a cylindrical outer wall (42). A heat exchange area (43) is encircled in the cylindrical inner wall (41), and a side heating space (44) is formed between the cylindrical inner wall (41) and the cylindrical outer wall (42). A plurality of flame holes (411) in communication with the side heating space (44) is provided at lower portion, close to the combustor (30), of the cylindrical inner wall (41). A chimney (45) in communication with the side heating space (44) is fixedly provided at an upper portion of the cylindrical outer wall (42). A fuel delivery mechanism (50) and electrical equipment (60) are accommodated in the auxiliary equipment chamber (20).
Description
The present invention relates to a kind of stove of use biomass fuel, used more particularly in one kind
The little particle suppressed is crushed by straw, wood chip, agricultural crop straw etc. as fuel and heat exchange zone to use closing form to greatly improve the stove of energy utilization efficiency.
Biomass fuel is
The little particle of compacting is crushed by straw, wood chip, agricultural crop straw etc..Biomass fuel is as a kind of new energy because its health, environmental protection, efficient, economic dispatch advantage have begun to gradually be widely applied.
A kind of heat storage furnaces of Chinese utility model patent CN201903090U ' ' in disclose a kind of typical existing biomass fuel stove.As schemed
Shown in 5, the stove has a combustion chamber（Do not show in figure）, biomass fuel burns in a combustion chamber.A burner hearth 91 is connected with above combustion chamber, burner hearth 91 has a upper opening 92.Upper opening
The region that upper opening more than 92 above the kitchen range top 96, the kitchen range top 96 is provided with around 92 is heat exchange zone 93.Can on the kitchen range top 96 heat exchange zone 93
Place sets up heating or cooking equipment such as holds the pot of food or water, can also directly set up the food for needing to heat.The flame produced in combustion chamber is discharged by burner hearth 91 at upper opening 92, in heat exchange zone 93
The food or equipment that need heat exchange are heated at place.It is also provided with mending air compartment 94 on the outer wall at the top of burner hearth 91, inwall is provided with several with mending the wind complement port 95 that air compartment 94 is communicated.Mend air compartment 94
Entrance point be connected with secondary air channel（Do not show in figure）, secondary air channel fills into air by mending air compartment 94 and wind complement port 95 into burner hearth 91 so that burner hearth 91
In uncombusted full combustion of gas, efficiency of combustion is improved, while reducing insufficient combustion gas of burning to the pollution caused by air.
But, it is aerial lost that the open heat exchange zone 93 of this stove causes flame heat regulating, however it remains the problem of thermal waste.
The technical problems to be solved by the invention are to provide a kind of stove with closed type hot exchange area, and the stove can reduce thermal energy expense compared with traditional stove, with higher capacity usage ratio.
In order to solve this technical problem, the invention provides one kind
Stove with closed type hot exchange area, the stove uses biomass fuel pellet, and including a body that can be placed on ground, body includes a combustion box and an auxiliary equipment case.
Accommodate a burner in combustion box, burner has a fuel frame plate, the side plate that is upwardly extended along fuel frame plate periphery, and a blast area being located at below fuel frame plate.Side plate surrounds above fuel frame plate and offers several vent apertures on combustion zone, fuel frame plate.The top of burner has a heating part, and heating part includes a cylindrical inner wall and a cylindrical outer wall；A heat exchange zone is surrounded within cylindrical inner wall, side heat space is formed between cylindrical inner wall and cylindrical outer wall.The bottom of cylindrical inner wall offers several glory holes for leading to side heat space at burner.The top of cylindrical outer wall is installed with a chimney being connected with side heat space top.The position relative with cylindrical inner wall offers an opening on the top surface of combustion box.Fuel conveying mechanism and electrical equipment are accommodated in auxiliary equipment case.Fuel conveying mechanism includes hopper, and an one end is connected the feed cylinder that the other end is stretched into combustion zone, and a fuel spiral pushing bar being rotatably contained in feed cylinder with the outlet below hopper.Air blower, power supply, a power switch and power supply indicator that electrical equipment can blow including a feeding motor for driving fuel spiral pushing bar, one into blast area.
The beneficial effect that the present invention is brought is in heat exchanging process, heat exchange zone is closing, flame can not only produce the effect of directly heating in heat exchange zone, can also be during side heat space be flowed through to the further heating of heat exchange zone, rather than such as a big chunk heat of traditional open heat exchange zone stove Flame scatters and disappears in atmosphere.So heat energy has obtained the utilization of higher efficiency in the present invention.
Fig. 1 is the schematic perspective view of present pre-ferred embodiments.
Fig. 2 is the plan view from above of embodiment illustrated in fig. 1 of the present invention.
Fig. 3 is the sectional plain-view drawing in A-A directions in Fig. 2 of the present invention.
Fig. 4 is the circuit diagram of the electrical equipment part of present pre-ferred embodiments.And,
Fig. 5 is a kind of cross-sectional plane schematic diagram of existing biomass fuel stove.
Fig. 1
It show a kind of schematic perspective view of the preferred embodiment of the stove with closed type hot exchange area of the present invention.There is the stove of closed type hot exchange area to include a body 1 that can be placed on ground for this, and body 1 includes a combustion box 10
With an auxiliary equipment case 20.
Referring additionally to Fig. 2 and Fig. 3, combustion box 10 includes a bottom surface that can be lain against on ground 11, and one along bottom surface 11
The side 12 that periphery is upwardly extended, one is connected and the top surface 13 relative with bottom surface 11 with 12 upper limbs of side.A switchable chamber door 121 is offered on 12 sideways.
Accommodate a burner 30 in combustion box 10, burner 30 has a fuel frame plate 31, one along fuel frame plate 31
The side plate 32 that periphery is upwardly extended, and a blast area 33 for being located at the lower section of fuel frame plate 31.Side plate 32 surrounds combustion zone 34 in the top of fuel frame plate 31.Fuel frame plate 31
On offer several vent apertures 311, a fire rod window 312 can also be offered, a fire rod 61 can be installed in blast area 33 and be exposed to combustion zone 34 by fire rod window 312
。
The top of burner 30 is heating part 40, and heating part 40 includes a cylindrical inner wall 41 and a cylindrical outer wall 42
.A heat exchange zone 43 is surrounded within cylindrical inner wall 41, side heat space 44 is formed between cylindrical inner wall 41 and cylindrical outer wall 42.The bottom of cylindrical inner wall 41 is close to burner 30
Place offers several glory holes 411 for leading to side heat space 44.Several glory holes 411 can line up an equidistant row, as shown in presently preferred embodiment.Cylindrical outer wall 42
Top be installed with a chimney 45 being connected with the top of side heat space 44.Chimney 45 is extended to outside body 1 by auxiliary equipment case 20.In the top surface 13 of combustion box 10
The upper position relative with cylindrical inner wall 41 is offered can one bell of lid in an opening 131, opening 131（Do not show in figure）.In the inner side glory hole 411 of cylindrical inner wall 41
Position above can also be added can be for placing cooker on a circle step 412, step 412（Do not show in figure）.
Fuel conveying mechanism 50 and electrical equipment 60 are accommodated in auxiliary equipment case 20.Fuel conveying mechanism 50 includes a hopper 51
, the outlet of the lower section of an one end and hopper 51 is connected the feed cylinder 52 that the other end is stretched into combustion zone 34, and a fuel spiral pushing bar 53 being rotatably contained in feed cylinder 52.Electrical equipment
60 circuit diagram as shown in Fig. 4, including fire rod 61, driving fuel spiral pushing bar 53 feeding motor 62, one can be into burner 30 blast area 33 in the air blower blown
63rd, power supply 64, a power switch 65 and power supply indicator 66.Power supply 64 both can be power of alterating and direct current 641, can also on power of alterating and direct current 641 multiple-connected battery 642
It is used as accessory power supply.Power of alterating and direct current 641 and battery 642 can individually power.Power switch 65 is installed on auxiliary equipment case 20, can control the power supply of whole circuit, switch indication light 66
Also it is installed on auxiliary equipment case 20 near power switch 65, is used to refer to the folding condition of power switch 65.
Fuel 70 is biomass fuel, is the little particle that compacting is crushed by straw, wood chip, agricultural crop straw etc..
When in use,
User first can put the body 1 of the present invention steadily on the ground of required position, and fuel 70 is poured into hopper 51.Following user both can will need the food or water that heat to be directly placed within heat exchange zone 43 and cover bell on the opening 131 of top surface 13 again, on the step 412 that the pot of cylindrical inner wall 41 can also can be coordinated to be put within heat exchange zone 43 profile.After user presses power switch 65, switch indication light 66 is lighted, and represents power on, and stove is started working.Now feeding motor 62 is rotated, and driving fuel spiral pushing bar 53 sends into fuel 70 in burner 30, and fuel 70 is fallen under gravity on fuel frame plate 31.Meanwhile, the fire rod 61 of energization becomes red-hot, is lighted the fuel 70 on fuel frame plate 31 in combustion zone 34 by fire rod window 312.It is also that at the same time, air blower 63 starts to blow into blast area 33, and wind enters combustion zone 34 by the vent aperture 311 opened up on fuel frame plate 31, for the oxygen needed for the burning of fuel 70 is provided.The methane gas of low concentration can be produced when fuel 70 burns to a certain extent, these methane gas produce flame in the presence of the air-flow that air blower 63 is produced.Because whether by food be directly placed into heat exchange zone 43 cover bell again or step 412 that pot is put within heat exchange zone 43 on, heat exchange zone 43 is all closing, is all that air-flow drives the unique path of flame by glory hole 411, side heat space 44 and chimney 45.After fuel 70 itself can be with sustained combustion, circuit control fire rod 61 is powered off, and saves electric energy.In use, user can open bell or pot cover processing food at any time.
When needing to stop burning, user can be extinguished with disconnecting power switch 65, switch indication light 66, feeding motor 62
Stop operating, air blower 63 stops.Do not have fuel in the new supply of fuel 70 burning, combustion zone 34 will after-flame quickly, user can open the ashes in chamber door 121, cleaning blast area 33.
The marginal portion of fuel frame plate 31 can be deflected up certain angle, and a piece of low land is formed at middle part.Low land can gather fuel 70, so as to avoid edge fuel combustion from being heated insufficient generation black smoke.
Claims (1)
1. a kind of stove with closed type hot exchange area, it is characterised in that use biomass fuel（ 70 ）Particle, and including a body that can be placed on ground（ 1
）, body（ 1 ）Including a combustion box（ 10 ）With an auxiliary equipment case（ 20 ）；
Combustion box（ 10 ）Inside accommodate a burner（ 30 ）, burner（ 30 ）With a fuel frame plate（ 31 ）
, one along fuel frame plate（ 31 ）The side plate that periphery is upwardly extended（ 32 ）, and one be located at fuel frame plate（ 31 ）The blast area of lower section（ 33 ）, side plate（ 32 ）
In fuel frame plate（ 31 ）Top surrounds combustion zone（ 34 ）, fuel frame plate（ 31 ）On offer several vent apertures（ 311 ）；
Burner（ 30 ）Top there is heating part（ 40 ）, heating part（ 40 ）Including a cylindrical inner wall（ 41 ）
With a cylindrical outer wall（ 42 ）；Cylindrical inner wall（ 41 ）Within surround a heat exchange zone（ 43 ）, cylindrical inner wall（ 41 ）And cylindrical outer wall（ 42 ）
Between form side heat space（ 44 ）；Cylindrical inner wall（ 41 ）Bottom close to burner（ 30 ）Place, which is offered, several leads to side heat space（ 44 ）Glory hole（ 411
）；Cylindrical outer wall（ 42 ）Top be installed with one and side heat space（ 44 ）The chimney that top is connected（ 45 ）；In combustion box（ 10 ）Top surface（ 13 ）
Upper and cylindrical inner wall（ 41 ）Relative position offers an opening（ 131 ）；
Auxiliary equipment case（ 20 ）Inside accommodate fuel conveying mechanism（ 50 ）And electrical equipment（ 60 ）；
Fuel conveying mechanism（ 50 ）Including a hopper（ 51 ）, an one end and hopper（ 51 ）The outlet of the lower section other end that is connected stretches into combustion zone
（ 34 ）In feed cylinder（ 52 ）, and one be rotatably contained in feed cylinder（ 52 ）In fuel spiral pushing bar（ 53 ）；
Electrical equipment（ 60 ）Including a driving fuel spiral pushing bar（ 53 ）Feeding motor（ 62 ）, one can be to burner（ 30
）Interior blast area（ 33 ）The air blower of interior air-supply（ 63 ）, power supply（ 64 ）, a power switch（ 65 ）And power supply indicator（ 66 ）
。
2. there is the stove of closed type hot exchange area as claimed in claim 1, it is characterised in that in cylindrical inner wall（ 41 ）Inner side glory hole（ 411 ）
Position above is provided with a circle step（ 412 ）.
3. there is the stove of closed type hot exchange area as claimed in claim 1, it is characterised in that described fuel frame plate（31）On be further opened with a fire rod window（
312 ）, a fire rod（ 61 ）It is installed in blast area（ 33 ）It is interior and pass through fire rod window（ 312 ）Exposed to combustion zone（ 34 ）, fire rod（ 36 ）
By power supply（ 64 ）Power supply.
4. there is the stove of closed type hot exchange area as claimed in claim 2, it is characterised in that described fuel frame plate（31）On be further opened with a fire rod window（ 312
）, a fire rod（ 61 ）It is installed in blast area（ 33 ）It is interior and pass through fire rod window（ 312 ）Exposed to combustion zone（ 34 ）, fire rod（ 36 ）By power supply（
64 ）Power supply.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2011/080668 WO2013053108A1 (en) | 2011-10-11 | 2011-10-11 | Stove with closed heat exchange area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104053952A true CN104053952A (en) | 2014-09-17 |
Family
ID=48081352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180072749.1A Pending CN104053952A (en) | 2011-10-11 | 2011-10-11 | Stove with closed heat exchange area |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20140251299A1 (en) |
| CN (1) | CN104053952A (en) |
| CA (1) | CA2865969A1 (en) |
| WO (1) | WO2013053108A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019028063A1 (en) * | 2017-07-31 | 2019-02-07 | Stice Coleen | Safe stove |
| EP3665418A4 (en) * | 2017-08-10 | 2021-05-05 | United States Stove Company | Biomass pellet combustion system |
Family Cites Families (10)
| 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 |
| CN2906375Y (en) * | 2006-01-19 | 2007-05-30 | 清华大学 | Coking and heating double-purpose furnace using biomass granular fuel |
| CN201110568Y (en) * | 2007-02-05 | 2008-09-03 | 胡明生 | Biomass compression fuel multi-function stove |
| AP3121A (en) * | 2008-07-23 | 2015-02-28 | First Energy Private Ltd | Biomass stove apparatus and method for its use |
| CN201425297Y (en) * | 2009-04-10 | 2010-03-17 | 黎德汪 | Particle fuel burning device |
| US8899222B2 (en) * | 2009-04-10 | 2014-12-02 | Colorado State University Research Foundation | Cook stove assembly |
| CN101532681A (en) * | 2009-04-17 | 2009-09-16 | 罗久 | Utilization and preparation method of the burner used in biomass stove |
| CN102116490B (en) * | 2010-12-28 | 2012-05-23 | 朱宏锋 | Secondary air supply combustion stove |
| CN102121747B (en) * | 2010-12-28 | 2013-05-01 | 朱宏锋 | Boiler |
-
2011
- 2011-10-11 CN CN201180072749.1A patent/CN104053952A/en active Pending
- 2011-10-11 CA CA2865969A patent/CA2865969A1/en not_active Abandoned
- 2011-10-11 WO PCT/CN2011/080668 patent/WO2013053108A1/en active Application Filing
- 2011-10-11 US US14/351,143 patent/US20140251299A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| CA2865969A1 (en) | 2013-04-18 |
| US20140251299A1 (en) | 2014-09-11 |
| WO2013053108A1 (en) | 2013-04-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140917 |