CN112413632A - Biomass furnace - Google Patents

Biomass furnace Download PDF

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Publication number
CN112413632A
CN112413632A CN202011347508.0A CN202011347508A CN112413632A CN 112413632 A CN112413632 A CN 112413632A CN 202011347508 A CN202011347508 A CN 202011347508A CN 112413632 A CN112413632 A CN 112413632A
Authority
CN
China
Prior art keywords
combustion chamber
biomass
furnace
water tank
fire grate
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
Application number
CN202011347508.0A
Other languages
Chinese (zh)
Inventor
钟建军
余次明
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.)
Yueyang Shiruilai Feed Co ltd
Original Assignee
Yueyang Shiruilai Feed Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yueyang Shiruilai Feed Co ltd filed Critical Yueyang Shiruilai Feed Co ltd
Priority to CN202011347508.0A priority Critical patent/CN112413632A/en
Publication of CN112413632A publication Critical patent/CN112413632A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24BDOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B9/00Stoves, ranges or flue-gas ducts, with additional provisions for heating water 
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23LSUPPLYING 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
    • F23L1/00Passages or apertures for delivering primary air for combustion 
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24BDOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B13/00Details solely applicable to stoves or ranges burning solid fuels 
    • F24B13/006Arrangements for cleaning, e.g. soot removal; Ash removal
    • F24B13/008Ash containers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24BDOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B13/00Details solely applicable to stoves or ranges burning solid fuels 
    • F24B13/02Arrangement or mountings of fire-grate assemblies; Arrangement or mountings of linings for fire-boxes, e.g. fire-backs 
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24BDOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B13/00Details solely applicable to stoves or ranges burning solid fuels 
    • F24B13/04Arrangements for feeding solid fuel, e.g. hoppers 
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D7/00Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D7/08Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag
    • F28D7/082Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being otherwise bent, e.g. in a serpentine or zig-zag with serpentine or zig-zag configuration

Abstract

The invention provides a biomass furnace, which comprises a feeding part, a furnace body, a combustion chamber and a fire grate; a combustion chamber is arranged inside the furnace body; the lower end of the combustion chamber is provided with a fire grate; the feeding part is communicated with the combustion chamber, is arranged outside the furnace body and is used for conveying biomass fuel to the upper part of the fire grate; the fire grate is provided with a fire hole, and the diameter of the fire hole is smaller than that of particles in the biomass fuel. The device simple structure, easy and simple to handle enable biomass fuel burning more abundant, and can improve heating efficiency.

Description

Biomass furnace
Technical Field
The invention relates to the technical field of heat energy utilization, in particular to a biomass furnace.
Background
The biomass furnace is a household cooking or heating device which is rapidly developed in recent years, changes the heating device which takes coal as fuel in the traditional road bureau, takes all combustible biomass such as straws, straws and the like as fuel, has the advantages of open fire combustion and gasification components in the furnace, has no tar, no black smoke, full combustion, high thermal efficiency and low smoke emission, and is very suitable for being used in rural families.
However, the furnaces used in the prior art use fuels such as coal, the grates of the furnaces are also used for the furnaces, and the biomass fuels generally have smaller particles than the fuels such as coal, and may leak from the grates, so that the combustion is insufficient, and the heating efficiency is affected.
Therefore, it is an urgent problem to provide a biomass furnace capable of improving heating efficiency by sufficiently burning biomass fuel.
Disclosure of Invention
The invention aims to provide a biomass furnace which is simple in structure and convenient to operate, can enable biomass fuel to be combusted more fully, and can improve heating efficiency.
Based on the above purposes, the technical scheme provided by the invention is as follows:
a biomass furnace comprises a feeding part, a furnace body, a combustion chamber and a fire grate; a combustion chamber is arranged inside the furnace body; the lower end of the combustion chamber is provided with a fire grate; the feeding part is communicated with the combustion chamber, is arranged outside the furnace body and is used for conveying biomass fuel to the upper part of the fire grate 4; and a furnace hole is formed in the grate 4, and the diameter of the furnace hole is smaller than that of particles in the biomass fuel.
Preferably, a water tank is arranged above the combustion chamber; the water tank is used for generating water vapor under the action of the combustion chamber.
Preferably, the top end of the water tank is provided with an air outlet; the air outlet is used for outputting water vapor generated in the water tank.
Preferably, a coiled pipe is fixedly arranged on the outer wall of the water tank; the coiled pipe extends into the combustion chamber, and the coiled pipe is communicated with the water tank.
Preferably, an ash hopper is arranged below the fire grate; the ash bucket is used for collecting furnace ash.
Preferably, the bottom end of the ash hopper is provided with an ash discharge port; the ash discharge port is used for discharging furnace ash.
Preferably, the supply means comprises: a feeding hole, a conveying pipe and a fan; one end of the conveying pipe is communicated with the combustion chamber, and the other end of the conveying pipe is communicated with the fan; the middle part of the conveying pipe is provided with a feed inlet for putting in biomass fuel.
Preferably, a screw is arranged inside the conveying pipe; and cutting teeth are uniformly arranged on the screw rod and are used for smashing large biomass fuels.
Preferably, the combustion chamber is provided with a vent hole.
Preferably, an igniter is disposed within the combustion chamber.
The biomass furnace provided by the invention is characterized in that a feeding part, a furnace body, a combustion chamber in the furnace body and a fire grate below the combustion chamber are arranged; the fire grate is provided with a fire hole with the diameter smaller than the diameter of the particles in the biomass fuel; in the working process, the feeding part conveys the biomass fuel to the upper part of the fire grate, the biomass fuel falls on the fire grate, and the diameter of a furnace hole on the fire grate is smaller than the diameter of particles in the biomass fuel, so that the biomass fuel can have a larger heating area in a combustion chamber and cannot drop from the fire grate, the biomass fuel can be combusted more fully, and the heating efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a biomass furnace according to the present invention;
fig. 2 is a schematic structural diagram of a fire grate and a fire hole in a biomass furnace according to an embodiment of the present invention:
fig. 3 is a schematic structural diagram of a biomass furnace according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Embodiments of the present invention are written in a progressive manner.
The embodiment of the invention provides a biomass furnace, which mainly solves the technical problems that in the prior art, a furnace is used by coal and other fuels, a grate of the furnace is also used by the furnace, and biomass fuels are generally smaller in particle size than the coal and other fuels, and can leak from the grate, so that insufficient combustion is caused, and heating efficiency is influenced.
Referring to fig. 1 to 3, a biomass furnace comprises a feeding part 1, a furnace body 2, a combustion chamber 3 and a fire grate 4; a combustion chamber 3 is arranged in the furnace body 2; the lower end of the combustion chamber 4 is provided with a fire grate 4; the feeding part 1 is communicated with the combustion chamber 3, is arranged outside the furnace body 2 and is used for conveying biomass fuel to the upper part of the fire grate 4; the fire grate 4 is provided with a fire hole 41, and the diameter of the fire hole 41 is smaller than that of particles in the biomass fuel.
In the practical application process, the biomass furnace provided by the invention is provided with the feeding part 1, the furnace body 2, the combustion chamber 3 in the furnace body and the fire grate 4 below the combustion chamber; the fire grate 4 is provided with a fire hole 41 with the diameter smaller than the diameter of particles in the biomass fuel; in the working process, the feeding part 1 conveys the biomass fuel to the upper part of the fire grate 4, the biomass fuel falls on the fire grate, and the diameter of a furnace hole 41 on the fire grate 4 is smaller than the diameter of particles in the biomass fuel, so that the biomass fuel can have a larger heating area in the combustion chamber 3 and cannot fall off from the fire grate 4, the biomass fuel can be combusted more fully, and the heating efficiency is improved.
Preferably, a water tank 5 is arranged above the combustion chamber 3; the water tank 5 is used to generate water vapor under the action of the combustion chamber 3.
In the actual operation process, a large amount of heat energy generated after the combustion chamber 3 is fully combusted is utilized to transfer heat to the water in the water tank 5, so that a large amount of high-temperature steam is generated in the water tank 5.
Preferably, the top end of the water tank 5 is provided with an air outlet 51; the exhaust port 51 is used to output the water vapor generated in the water tank 5.
In actual operation, a large amount of high-temperature steam generated in the water tank 5 is discharged through the exhaust port 51 provided at the top end of the water tank 5, and other processes are performed using the steam.
Preferably, a coiled pipe 52 is fixedly arranged on the outer wall of the water tank 5; the coil 52 extends into the combustion chamber 3, and the coil 52 communicates with the water tank 5.
In practical application, the coil 52 is fixed on the outer wall of the water tank 5, and the coil 52 extends into the combustion chamber 3. Because the temperature of the combustion chamber 3 is higher, and the water vapor in the water tank 5 can flow in the coil pipe 52 and the water tank 5 at will, the heating area of the water in the water tank 5 is increased, the heat exchange rate is increased, and the heating effect is better.
Preferably, an ash hopper 6 is arranged below the grate 4; the ash hopper 6 is used for collecting furnace ash.
Preferably, the bottom end of the ash hopper 6 is provided with an ash discharge port 61; the ash discharge port 61 is used for discharging furnace ash.
In the actual application process, an ash hopper 6 and an ash discharge port 61 for collecting furnace ash are arranged below the fire grate; after the biomass fuel is fully combusted on the fire grate, furnace ash falls into the ash hopper 6, and an ash discharge port 61 is formed at the bottom end of the ash hopper 6; when the combustion process is finished, the ash discharge port 61 is opened to discharge the ash in the ash hopper 6.
Preferably, the feeding means 1 comprises: a feed inlet 11, a conveying pipe 12 and a fan 13; one end of the delivery pipe 12 is communicated with the combustion chamber 3, and the other end is communicated with the fan 13; the middle part of the conveying pipe 12 is provided with a feed inlet 11 for putting biomass fuel.
In the practical application process, the fan 13 is turned on after the biomass fuel is fed from the feed inlet 11, the fan 13 generates wind to blow the biomass fuel fed from the feed inlet 11 to the combustion chamber 3, and after the fuel feeding is finished, the fan 13 is continuously turned on to ventilate the combustion chamber 3, so that the heating efficiency is improved.
Preferably, the conveying pipe 12 is internally provided with a screw 14; the screw 14 is uniformly provided with cutting teeth for breaking up the large biomass fuel.
In the practical application process, a screw 14 can be arranged in the conveying pipe 12, and cutting teeth are uniformly arranged on the screw 14. Under the wind power action of the fan 13, the large biomass fuel is smashed through the cutting teeth, biomass fuel particles which are easy to burn are formed, and the heating efficiency is improved.
Preferably, the combustion chamber 3 is provided with a vent hole.
In the practical application process, be equipped with a plurality of ventilation holes on the combustion chamber 3, the circulation of air in the combustion chamber 3 is strengthened in the ventilation hole, and further the burning of promotion biomass fuel is more abundant, improves heating efficiency.
Preferably, an igniter is provided in the combustion chamber 3.
In the actual application process, in order to facilitate ignition in the combustion chamber 3, an igniter can be arranged in the combustion chamber, open fire ignition can be omitted, potential safety hazards are avoided, and the application range of the device is expanded.
The biomass furnace provided by the invention is described in detail above. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A biomass furnace is characterized by comprising a feeding part (1), a furnace body (2), a combustion chamber (3) and a fire grate (4);
a combustion chamber (3) is arranged in the furnace body (2);
the lower end of the combustion chamber (4) is provided with a fire grate (4);
the feeding part (1) is communicated with the combustion chamber (3), is arranged outside the furnace body (2) and is used for conveying biomass fuel to the upper part of the fire grate (4);
the fire grate (4) is provided with a fire hole (41), and the diameter of the fire hole (41) is smaller than that of particles in the biomass fuel.
2. The biomass furnace according to claim 1, characterized in that a water tank (5) is arranged above the combustion chamber (3);
the water tank (5) is used for generating water vapor under the action of the combustion chamber (3).
3. The biomass furnace according to claim 2, characterized in that the top end of the water tank (5) is provided with an exhaust port (51);
the air outlet (51) is used for outputting water vapor generated in the water tank (5).
4. The biomass furnace according to claim 3, characterized in that the outer wall of the water tank (5) is fixedly provided with a coiled pipe (52);
the coil pipe (52) extends into the combustion chamber (3), and the coil pipe (52) is communicated with the water tank (5).
5. The biomass furnace according to claim 1, characterized in that an ash hopper (6) is arranged below the grate (4);
the ash hopper (6) is used for collecting furnace ash.
6. The biomass furnace according to claim 5, characterized in that the bottom end of the ash hopper (6) is provided with an ash discharge port (61);
the ash discharge port (61) is used for discharging furnace ash.
7. Biomass furnace according to claim 1, characterized in that said feeding means (1) comprise: a feed inlet (11), a conveying pipe (12) and a fan (13);
one end of the conveying pipe (12) is communicated with the combustion chamber (3), and the other end of the conveying pipe is communicated with the fan (13);
the middle part of the conveying pipe (12) is provided with a feeding hole (11) for putting in biomass fuel.
8. The biomass furnace according to claim 7, characterized in that the conveying pipe (12) is internally provided with a screw (14);
and cutting teeth are uniformly arranged on the screw (14) and are used for smashing large biomass fuels.
9. Biomass furnace according to claim 1, characterized in that the combustion chamber (3) is provided with ventilation holes.
10. Biomass furnace according to claim 1, characterized in that an igniter is provided in the combustion chamber (3).
CN202011347508.0A 2020-11-26 2020-11-26 Biomass furnace Pending CN112413632A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011347508.0A CN112413632A (en) 2020-11-26 2020-11-26 Biomass furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011347508.0A CN112413632A (en) 2020-11-26 2020-11-26 Biomass furnace

Publications (1)

Publication Number Publication Date
CN112413632A true CN112413632A (en) 2021-02-26

Family

ID=74842481

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011347508.0A Pending CN112413632A (en) 2020-11-26 2020-11-26 Biomass furnace

Country Status (1)

Country Link
CN (1) CN112413632A (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206055695U (en) * 2016-09-23 2017-03-29 云南润美新能源发展有限公司 A kind of high effective smokeless biomass stove
CN206459178U (en) * 2017-02-06 2017-09-01 张云芳 A kind of biomass fuel boiler device
CN111425847A (en) * 2020-04-08 2020-07-17 杭州光旭绿色能源科技有限公司 Biomass energy power generation equipment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206055695U (en) * 2016-09-23 2017-03-29 云南润美新能源发展有限公司 A kind of high effective smokeless biomass stove
CN206459178U (en) * 2017-02-06 2017-09-01 张云芳 A kind of biomass fuel boiler device
CN111425847A (en) * 2020-04-08 2020-07-17 杭州光旭绿色能源科技有限公司 Biomass energy power generation equipment

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