WO2013159267A1 - Poêle à biocombustible - Google Patents

Poêle à biocombustible Download PDF

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Publication number
WO2013159267A1
WO2013159267A1 PCT/CN2012/074494 CN2012074494W WO2013159267A1 WO 2013159267 A1 WO2013159267 A1 WO 2013159267A1 CN 2012074494 W CN2012074494 W CN 2012074494W WO 2013159267 A1 WO2013159267 A1 WO 2013159267A1
Authority
WO
WIPO (PCT)
Prior art keywords
wall
air supply
cylindrical inner
biomass fuel
thin tube
Prior art date
Application number
PCT/CN2012/074494
Other languages
English (en)
Chinese (zh)
Inventor
朱宏锋
陈前喜
Original Assignee
Zhu Hongfeng
Chen Qianxi
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 Zhu Hongfeng, Chen Qianxi filed Critical Zhu Hongfeng
Priority to PCT/CN2012/074494 priority Critical patent/WO2013159267A1/fr
Priority to CN201280038748.XA priority patent/CN104067050A/zh
Priority to US14/396,163 priority patent/US20150159879A1/en
Publication of WO2013159267A1 publication Critical patent/WO2013159267A1/fr

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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
    • F24B1/02—Closed stoves
    • F24B1/024—Closed stoves for pulverulent fuels
    • 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
    • F23K3/10—Under-feed arrangements
    • F23K3/14—Under-feed arrangements feeding by screw
    • 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
    • F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel 
    • F23L9/02—Passages or apertures for delivering secondary air for completing combustion of fuel  by discharging the air above 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
    • F24B1/02—Closed stoves
    • F24B1/08—Closed stoves with fuel storage in a single undivided hopper within stove or range
    • 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
    • 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
    • F24B5/026—Supply of primary and secondary air for combustion
    • 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
    • F24B5/06—Combustion-air or flue-gas circulation in or around stoves or ranges in or around ranges
    • 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
    • F24B13/00—Details solely applicable to stoves or ranges burning solid fuels 
    • F24B13/02—Arrangement or mountings of fire-grate assemblies; Arrangement or mountings of linings for fire-boxes, e.g. fire-backs 
    • 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
    • F24B13/00—Details solely applicable to stoves or ranges burning solid fuels 
    • F24B13/04—Arrangements for feeding solid fuel, e.g. hoppers 

Definitions

  • the invention relates to a stove using biomass fuel, in particular to a small particle which is crushed, dried and pressed by straw, wood chips, bamboo, crop straw, etc., and uses turbulent flow in the flame zone.
  • the wind form thus greatly improves the energy utilization efficiency of the stove.
  • Biomass fuel is small particles made from straw, wood chips, bamboo, crop straw, etc., which are crushed, dried and pressed. 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.
  • the stove has a body 9 including a combustion chamber 91 and an auxiliary equipment box 92.
  • the combustion chamber 91 houses a burner 93 having a fuel rack 931.
  • a combustion zone 932 is formed above the fuel rack 931, and an blast zone 933 is formed below.
  • Burning area Above the 932 is the flame zone 934 with a supplemental device 94.
  • the air supply device 94 includes a cylindrical inner wall 941, a blowing chamber 942, and a communication air chamber 942 and an air blowing area. 933 air duct 943.
  • the cylindrical inner wall 941 of the air supply device 94 is longitudinally provided with a plurality of wind deflectors 95 on the outer side surface.
  • Each deflector 95 includes a long slit 951
  • a baffle 952 is formed along the long slit 951 on the left side of each of the long slits 951 or on the right side of each of the long slits 951, each of the baffles 952 extends in the direction of the corresponding slit 951 and is at an angle to the outer surface of the cylindrical inner wall 941, which is greater than 0 degrees and less than 90 degrees.
  • Wind deflector 95 in air supply device 94 Cylindrical inner wall 941 A unidirectionally rotating upward air flow similar to a tornado is formed in the inner flame zone. This swirling air flow both solves the interference problem between the supplemental airflows and supplements the gas with the oxygen required for combustion.
  • the oxygen in the air is not sufficiently mixed with the gas, resulting in insufficient combustion.
  • the unseen spiral airflow will rise faster, and quickly take away some of the gas and heat that have not been fully burned, which will further waste energy.
  • the insufficient combustion caused by the above two reasons will make the concentration of unburned carbon-containing particles contained in the exhausted combustion exhaust gas higher, and the external phenomenon is more black smoke.
  • the air supply device 94 The heat in the internal flame zone is always carried away quickly and does not form a higher temperature.
  • the technical problem to be solved by the present invention is to provide a biomass fuel stove which can not interfere with the mutual interference between the supplemental airflows and the oxygen in the supplemental airflow compared with the conventional stoves.
  • the gas is thoroughly mixed to make the gas burn more fully.
  • Another technical problem to be solved by the present invention is to provide a biomass fuel stove which can slow down the rate at which high temperature gas leaves in the flame zone, thereby obtaining a higher heating temperature.
  • the present invention provides a biomass fuel stove that uses biomass fuel particles and includes a body that can be placed on the ground, the body including a top surface and a top surface The side that extends downward from the ground.
  • the body houses a combustion section and an auxiliary device section.
  • the combustion part comprises a burner, the burner has a fuel frame, a combustion zone is formed above the fuel frame, a blast zone is formed below, and a plurality of ventilation holes are formed in the fuel frame.
  • the air supply device includes a cylindrical inner wall and a blower chamber surrounding the outer side of the cylindrical inner wall. The blast zone is connected to the air supply room, and a blower is used to provide oxygen supplementation through a blower.
  • the auxiliary equipment department houses electrical equipment. Electrical equipment including blowers, power supplies with A power switch.
  • the cylindrical inner wall of the air supply device is provided with at least one row of positive wind deflecting means and at least one row of reverse wind deflecting means.
  • Each row of forward wind deflecting means includes a plurality of first openings, and on the outer surface of the cylindrical inner wall, a first one is formed on the left side of each of the first openings or on the right side of each of the first openings a baffle, each of the first baffles extending in a direction of the corresponding first opening and having a larger than an outer surface of the cylindrical inner wall An angle of 0 degrees less than 90 degrees a .
  • Each row of reverse wind deflecting means includes a plurality of second openings, and on the outer surface of the cylindrical inner wall, a second deflector is formed on the opposite side of each of the second openings from the first deflector.
  • Each second baffle extends in a direction of the corresponding second opening and is larger than an outer surface of the cylindrical inner wall An angle of 0 degrees less than 90 degrees b .
  • the invention has the beneficial effects that the airflow entering the flame zone from the forward and reverse deflecting devices respectively can fully mix the oxygen and the gas in the supplemental airflow, thereby making the combustion more fully and improving the energy utilization rate. .
  • the interaction of the two gas streams slows the rate at which the high temperature gas leaves the flame zone compared to the one-way spiral gas flow, thereby enabling the furnace to achieve a higher combustion temperature.
  • the furnace of this embodiment can increase the temperature compared with the conventional biomass stove. 20-30%.
  • the concentration of unburned carbonaceous particulates contained in the exhaust gas is greatly reduced, and the flame no longer generates black smoke.
  • Figure 1 is a perspective view of a preferred embodiment of the present invention.
  • Figure 2 is a perspective exploded view of the embodiment of Figure 1.
  • Figure 3a is a top plan view of the embodiment of Figure 1.
  • Figure 3b is a cross-sectional view of the A-A direction of Figure 3a.
  • Figure 4 is a partial perspective view showing the cylindrical inner wall portion of the burner and the air supply device in the preferred embodiment of the present invention.
  • Figure 5 is a partial plan view showing a portion of a cylindrical inner wall portion of a burner and a supplemental air device in accordance with a preferred embodiment of the present invention.
  • Figure 6 is a circuit diagram of a portion of an electrical device in accordance with a preferred embodiment of the present invention.
  • Figure 7 is a perspective view of another embodiment of the present invention.
  • Figure 8 is a perspective exploded view of the embodiment of Figure 7.
  • Figure 9 is a cross-sectional plan view showing the embodiment of Figure 7.
  • Figure 10 is an enlarged perspective view showing an enlarged portion of the air supplementing device of the embodiment shown in Figure 7.
  • Figure 11 is a plan enlarged view of the cylindrical inner wall of the air supplement device shown in Figure 10.
  • Figure 12 is a circuit diagram of the electrical equipment portion of the embodiment shown in Figure 7.
  • Figures 13a, 13b and 13c are enlarged perspective views of three other turbulent air supplement devices of the present invention.
  • Figure 14 is a plan cross-sectional view of a conventional biomass fuel stove with a supplemental device. as well as,
  • Fig. 15 is a plan enlarged view showing a cylindrical inner wall portion of the air supply device of the cooker shown in Fig. 14.
  • FIG. 1 and Figure 2 Shown is a perspective view of a preferred embodiment of a biomass fuel stove of the present invention.
  • the stove includes a body 1 that can be placed on the ground, the body 1 including a top surface 11 and a top surface 11 A side 12 extending downward toward the ground, the body 1 houses a combustion portion 10 and an auxiliary device portion 20.
  • the combustion section 10 includes a burner 30 and a burner 30.
  • Upper air supply unit 40 The burner 30 has a fuel rack 31, a combustion zone 32 is formed above the fuel rack 31, and a blast zone 33 is formed below. There are several ventilation holes on the fuel rack 31. 311.
  • the air supply unit 40 includes a cylindrical inner wall 41 and a blower chamber 42 that surrounds the outer side of the cylindrical inner wall 41. In the preferred embodiment, the blast zone 33 and the blower chamber 42 Connected to each other and supplied with oxygen through a blower 51 through a supply duct 34.
  • the cylindrical inner wall 41 itself encloses a flame region at its intermediate portion.
  • the cylindrical inner wall 41 is provided with at least one row of forward biasing means 43 and at least one row of reverse biasing means. 44.
  • Each row of forward biasing means 43 includes a plurality of first openings 431 on the outer surface of each of the first openings 431 or on each of the first openings 431 on the outer surface of the cylindrical inner wall 41.
  • a first baffle 432 is formed on the right side of the first baffle 432, and each of the first baffles 432 extends in a direction of the corresponding first opening 431 and is at an angle to the outer surface of the cylindrical inner wall 41. It is greater than 0 degrees and less than 90 degrees, preferably 45 degrees.
  • each row of reverse wind deflecting means 44 includes a plurality of second openings 441 on the outer surface of the cylindrical inner wall 41 at each of the second openings 441 and the first deflector 432
  • a second baffle 442 is formed, each of the second baffles 442 extending in the direction of the corresponding second opening 441 and at an angle to the outer surface of the cylindrical inner wall 41, angle b It is greater than 0 degrees and less than 90 degrees, preferably 45 degrees.
  • all of the second baffles 442 are on the right side of the corresponding second opening 441 and toward the corresponding second opening 441. The direction extends to the left.
  • the auxiliary device unit 20 houses the electric device 50.
  • the circuit diagram of electrical equipment 50 is shown in Figure 6. Included is a blower 51 that supplies air to the blast zone 33 and the plenum 42 of the combustor 30, a power source 52, a power switch 53 and a power indicator light 54.
  • Power supply 52 It can be either an AC/DC power supply 521 or a parallel battery 522 as an auxiliary power supply on the AC/DC power supply 521. Both AC and DC power supply 521 and battery 522 can be powered separately.
  • switch 53 Mounted on the side 12 to control the power supply to the entire circuit, the switch indicator 54 is also mounted near the power switch 53 on the side 12 to indicate the power switch 53 Opening and closing status.
  • Fuel 70 is a biomass fuel, which is a small particle that is crushed, dried, and pressed by straw, wood chips, bamboo, and crop straw.
  • the user can first place the body 1 of the present invention on the ground at the desired position, and the air supply device 40 through the combustion portion 10 In the flame zone enclosed by the cylindrical inner wall 41, fuel 70 particles are placed on the fuel rack 31 of the burner 30.
  • the switch indicator 54 Lights up, indicating that the power is on and the stove is working.
  • the user can put the ignited alcohol cotton ball onto the fuel 70 particles on the fuel rack 31 to ignite the fuel 70 above.
  • the blower 51 Air is supplied to the blast zone 33 and the plenum chamber 42, and the air entering the blast zone 33 passes through the venting aperture 311 formed in the fuel rack 31 as the fuel in the combustion zone 32.
  • the combustion provides the required oxygen.
  • the wind entering the blower chamber 42 passes through the forward biasing device 43 and the reverse biasing device 44 and enters the flame zone enclosed by the cylindrical inner wall 41.
  • fuel 70 When burned to a certain extent, a low concentration of methane gas is generated, which forms a flame under the action of the air flow generated by the blower 51.
  • the air entering the flame zone passes through the first baffle 432 and becomes a one-way flow from each of the first openings 431 in a clockwise or counterclockwise direction, so that the positive wind deflecting device 43
  • the air entering the flame zone is in the form of a unidirectional spiral.
  • the air entering the flame zone from each of the reverse biasing devices 44 passes through the second deflector 442 and becomes the positive and negative wind deflecting device 43.
  • the airflow entering the flame zone flows in one direction from each of the second openings 441, so that the air entering the flame zone from the reverse deflector 44 is a positive and negative wind deflector 43 A unidirectional spiral in the opposite direction of the gas flow into the flame zone. From the forward and reverse wind deflectors 43 , 44
  • the airflow entering the flame zone can fully mix the oxygen and gas in the supplemental airflow, making the combustion more complete and improving energy utilization.
  • the interaction of the two gas streams slows the rate at which the high temperature gas leaves the flame zone compared to the one-way spiral gas flow, thereby enabling the furnace to achieve a higher combustion temperature.
  • the furnace of this embodiment can increase the temperature compared with the conventional biomass stove. 20-30%.
  • the user can manually inject fuel 70 particles into the burner 30 from time to time to ensure continuous combustion.
  • a plurality of spoiler air supply means 45 may also be provided on the cylindrical inner wall 41.
  • Disturbing air supply device 45 It may be any device capable of filling the flame zone in the cylindrical inner wall 41.
  • the turbulence air supply unit 45 includes a plurality of spoilers 451 formed on the cylindrical inner wall 41. . After the blower 51 is actuated, the supply air flow enters the flame zone enclosed by the cylindrical inner wall 41 through the forward and reverse biasing devices 43, 44, and also passes through the spoiler 451 of the turbulent air supply device 45. Enter into the area. The airflow entering the flame zone by the turbulent air supply device 45 can further fully mix the oxygen and the gas in the airflow to further improve the energy utilization rate.
  • the turbulent air supply device 45 The flow entering the flame zone can further slow the rate at which the hot gas exits the flame zone, thereby further increasing the combustion temperature of the oven.
  • Figures 13a, 13b and 13c Three other forms of spoiler air supply devices are shown.
  • the turbulence air supply unit 45 is a thin tube 452 that is connected to the air supply chamber 42 and a thin tube 452.
  • a plurality of spoilers 451' are provided in the upper opening.
  • the turbulence air supply means 45 is a plurality of thin tubes 453 which are connected to the air supply chamber 42, and the thin tubes 453 extend toward the cylindrical inner wall.
  • the turbulence air supply unit 45 is two thin tubes 454 connected to the air supply chamber 42, the thin tube 454 Extending into the interior of the cylindrical inner wall 41 and communicating with an annular capillary 455 at the free end, the annular capillary 455 is provided with a plurality of spoilers 451'''.
  • FIGs 7, 8, and 9 show another embodiment of the present invention.
  • the first difference between this embodiment and the preferred embodiment is the burner 30.
  • the blast zone 33 is not in direct communication with the blower chamber 42 of the air supply unit 40, but is connected to the blower 51, respectively.
  • the second difference is that the auxiliary equipment unit 20 contains electrical equipment 50
  • the fuel delivery mechanism 60 includes a hopper 61 having a lower discharge port 611, one end and a discharge port 611 below the hopper 61.
  • a feed cylinder 62 that extends into the combustion zone 32 at the other end and a rotatable fuel auger rod 63 that is rotatably received in the feed cylinder 62.
  • the circuit diagram of electrical equipment 50 is shown in Figure 12.
  • blower 51 that can supply air to the blast zone 33 and the plenum chamber 42 of the burner 30, a power source 52, a power switch 53 and a power indicator light 54. And a feed motor 55 that drives the fuel auger rod 63 to rotate.
  • the power switch 53 is mounted on the side 12 to control the power supply to the entire circuit.
  • the switch indicator 54 is also mounted on the side. Near the power switch 53 to indicate the opening and closing state of the power switch 53.
  • a switchable door 121 is opened on the side 12.
  • Cylindrical inner wall 41 The shape does not have to be a single diameter cylindrical shape as shown in the preferred embodiment, but may be any shape that is generally cylindrical, such as a wave shape, or a complex cylindrical structure like a washing machine drum. Specifically as shown in Figure 10 and Figure 11 As shown, the cylindrical inner wall 41 used in the embodiment shown in Fig. 7 is in the shape of a truncated cone whose one end is slightly larger in diameter than the other end.
  • each of the first opening 431 and the second opening 441 is a slit, and each slit is at an angle c to the bus bar g of the cylindrical inner wall 41, and the angle c is greater than 0 degrees and less than 45 degrees. Degree, preferably 15 degrees.
  • the user can disconnect the power switch 64, the switch indicator light 65 is off, and the feed motor 61 The rotation stops and the blower 62 stops. Without the new fuel 70 being supplied to the combustion, the fuel in the combustion zone 32 will burn out quickly, and the user can open the door 121 to clean the ash in the blast zone 33.
  • Fuel rack The edge portion of 31 can be deflected 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.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Solid-Fuel Combustion (AREA)

Abstract

Un poêle à biocombustible (70) utilise des particules de biocombustible (70) et comprend un corps (1) pouvant être placé sur le sol. Le corps (1) comprend une surface supérieure (11) et une surface latérale (12) s'étendant vers le bas depuis la périphérie de la surface supérieure (11) en direction du sol et comprend une partie de combustion (10) et une partie d'équipement auxiliaire (20). La partie de combustion (10) comprend une chambre de combustion (30). La chambre de combustion (30) comprend un support pour combustible (31), une zone de combustion (32) est formée au-dessus du support pour combustible (31) et une zone de souffle (33) est formée sous le support pour combustible (31). Une pluralité d'orifices d'aération (311) est disposée sur le support pour combustible (31). Un dispositif d'ajout d'air (40) est disposé au-dessus de la zone de combustion (32) et le dispositif d'ajout d'air (40) comprend une paroi interne cylindrique (41) et une chambre d'alimentation en air (42) entourant la paroi interne cylindrique (41). La zone de souffle (33) est en communication avec la chambre d'alimentation en air (42) et est uniformément approvisionnée en oxygène supplémentaire par une soufflante (51) par le biais d'un tuyau d'alimentation en air (34). La partie d'équipement auxiliaire (20) comprend un équipement électrique (50) composé de la soufflante (51), d'une alimentation (52) et d'un commutateur d'alimentation (53). La paroi interne cylindrique (41) du dispositif d'ajout d'air (40) est dotée d'au moins une rangée de dispositifs de déplacement d'air dans un sens (43) et d'au moins une rangée de dispositifs de déplacement d'air dans le sens contraire (44).
PCT/CN2012/074494 2012-04-23 2012-04-23 Poêle à biocombustible WO2013159267A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/CN2012/074494 WO2013159267A1 (fr) 2012-04-23 2012-04-23 Poêle à biocombustible
CN201280038748.XA CN104067050A (zh) 2012-04-23 2012-04-23 一种生物质燃料炉具
US14/396,163 US20150159879A1 (en) 2012-04-23 2012-04-23 Biomass fuel oven

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/074494 WO2013159267A1 (fr) 2012-04-23 2012-04-23 Poêle à biocombustible

Publications (1)

Publication Number Publication Date
WO2013159267A1 true WO2013159267A1 (fr) 2013-10-31

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PCT/CN2012/074494 WO2013159267A1 (fr) 2012-04-23 2012-04-23 Poêle à biocombustible

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US (1) US20150159879A1 (fr)
CN (1) CN104067050A (fr)
WO (1) WO2013159267A1 (fr)

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US11125432B2 (en) * 2018-05-31 2021-09-21 Edward Norbert Endebrock Solid particle fuel burner
CN113588864A (zh) * 2021-08-06 2021-11-02 国网安徽省电力有限公司电力科学研究院 一种能够调节气体环境的燃烧箱
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