CN103868104A - Biomass down combustion furnace - Google Patents
Biomass down combustion furnace Download PDFInfo
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- CN103868104A CN103868104A CN201410131984.7A CN201410131984A CN103868104A CN 103868104 A CN103868104 A CN 103868104A CN 201410131984 A CN201410131984 A CN 201410131984A CN 103868104 A CN103868104 A CN 103868104A
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- burner
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- feed generator
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Abstract
The invention relates to a biomass down combustion furnace and belongs to the technical field of combustion equipment. The biomass down combustion furnace comprises a gas generating furnace (1), a combustor (2), a stove support (3) and a chimney (4). The combustor is connected between the gas generating furnace and the stove support. A grate (1.3) is arranged in the gas generating furnace. An opening is formed in the top end of the gas generating furnace. The bottom of the combustor is connected with the lower side of the outer wall of the gas generating furnace. A through hole is formed in the bottom of the stove support. The top of the combustor penetrates through the through hole in the bottom of the stove support. The chimney is connected to the side face of the stove support. According to the biomass down combustion furnace, the mode that primary combustion and secondary combustion are separated is used, biomass fuel is completed burned through secondary ventilation in the furnace, a down ignition mode is used, so that materials are burned from bottom to top layer by layer, and smoke is hardly generated around the furnace.
Description
Technical field
The present invention relates to a kind of combustion furnace, belong to combustion apparatus technical field, be particularly useful for combustion furnace under the living beings of the biological materials such as burnup stalk, fuel wood.
Background technology
Biomass energy, is exactly that solar energy is stored in the form of energy in living beings with chemical energy form, i.e. the energy taking living beings as carrier.It derives from the photosynthesis of green plants directly or indirectly, can be converted into conventional solid-state, liquid state and fuel gas, inexhaustible, nexhaustible, is a kind of regenerative resource, is also the reproducible carbon source of unique one simultaneously.The utilization of biomass energy mainly contains 3 kinds of approach such as direct burning, heat chemistry conversion and biochemical transformations.The direct burning of living beings will be the major way of China's biomass utilization within considerable time from now on.
Biomass stove adopts biomass molding fuel (wood fragments bavin, stalk, the various shells of corncob and various biomass block etc.), blows by blower fan, has realized the controlled of furnace temperature and intake, makes fuel fully gasification and burning in burner hearth.This product has cooking, it is multi-functional to warm oneself, heat up water.Produce fuel gas by allowing living beings gasify in burner hearth, fuel gas is burning again under the secondary oxygen supply on burner hearth upper strata, has realized the abundant burning of living beings, has reduced the discharge of flue dust when having reached the thermal efficiency that improves stove and accessory.Use this technology compared with traditional brick kitchen range, can greatly improve the overall thermal efficiency of stove and accessory, reach the object of firewood-saving and coal-saving, reduce smoke discharge amount by secondary oxygen supply gasification, and combustion, flue gas will be discharged into outdoor by smoke pipe, solve the problem that brick kitchen range, high pollution, maximum discharge, highly energy-consuming are burnt in rural area, really realized efficient, environmental protection, energy-conservation object, the multi-functional energy-saving stoves that are integrated such as Shi Ji farmers' heats up water, cooks, is incubated, heating.
Biomass combustion furnace in the prior art, living beings are directly lighted to (upper igniting at roof of the furnace, re-firing), burner hearth at short notice (3-5 minute) temperature raises rapidly, while reaching certain high temperature, can make the biogas in burner hearth change into fuel gas (being also fugitive constituent), fuel gas is burning again under the secondary oxygen supply of upper furnace, produce amount of heat directly from roof of the furnace heat supply, the living beings of lower floor continue gasification under hot conditions, sustained combustion is until all burnt. and the fuel gas changing into due to biogas has directly fully burnt under secondary oxygen supply, reduce discharge flue dust, improve the thermal efficiency, reach energy-conservation, the requirement of environmental protection.Biomass combustion furnace adopts three stage structure mostly, is followed successively by from the bottom to top dedusting chamber, burner hearth and combustion chamber, on the sidewall of burner hearth, has charging aperture, on the sidewall of combustion chamber, has secondary air inlet.Top has sealing bell, and bottom utilizes air blast to upper air inlet.
The shortcoming of this biomass combustion furnace is:
1. make the materials must be with the fines of pulverizing, the very little or aerogenesis not of coarse fodder gas production.
2. peculiar smell is large, easily produces tar blocking pipe, cleaning difficulty.
3. must use blower fan, expend the energy.
4. while igniting, cigarette is large, and in use procedure, fuel easily burns empty built on stilts, does not observe clout in burner hearth and easily causes and go out
Fire phenomenon.
Summary of the invention
For the deficiencies in the prior art, the invention provides combustion furnace under a kind of living beings, can make the burning of living beings more abundant, save the energy; The gas-solid granule content of discharge is lower, protection of the environment; Easily observe the combustion case of clout in burner hearth; And simple in structure, cost is lower.
To achieve these goals, combustion furnace under a kind of living beings of the present invention, comprises carbide feed generator, burner, stove support and chimney, and burner is connected between carbide feed generator and stove support; Carbide feed generator inside has fire grate, and carbide feed generator is divided into upper and lower two parts by fire grate, and top is divided into burner hearth, and bottom is divided into dedusting chamber, the ash door that has ash disposal mouth on dedusting chamber's outer wall and can freely open and close, carbide feed generator top end opening; The bottom of burner is connected with carbide feed generator outer wall downside, and the bottom of Holder for cooking utensils has through hole, and the top of burner is through the bottom through-hole of Holder for cooking utensils; Chimney is connected to the side of Holder for cooking utensils.
Further, the upper end of burner also has a burner arm, and the top of burner arm and bottom all have the through hole that can make burner pass; The side of burner arm has fresh air inlet, has several fresh air inlets on the sidewall of burner.
Further, the top of described Holder for cooking utensils has perforate; Holder for cooking utensils also has the bell matching with bore size.
Further, the outer wall of described burner has heat-insulation layer.
Further, this device also has a water tank, the outer wall of water tank and the welding of the outer wall of burner hearth, and burner is through water tank; Burner arm is placed in the top of water tank; The sidewall of water tank has water inlet pipe and outlet pipe.
Preferably, the inner tool of carbide feed generator is placed the support component of fire grate.
Further improve, described fire grate is along its neighboring along upwards extending to form hopper, and the top of its height and carbide feed generator is concordant or higher than the top of carbide feed generator; The outer wall dimension of headwall is less than burner hearth internal diameter, and open top, bottom lock;
The bottom of fire grate and sidewall are network structure or fence structure or have several apertures;
Ventilation duct of bottom welding of fire grate, the length of ventilation duct extends to top by the bottom of fire grate; Ventilation duct is equal opening up and down.
Another kind of improvement, described fire grate is along its neighboring along upwards extending to form hopper, and its height is concordant with the top of carbide feed generator; The outer wall dimension of headwall is less than burner hearth internal diameter, open top, bottom lock;
The bottom of fire grate and sidewall are network structure or fence structure or have several apertures;
Ventilation duct of bottom welding of described fire grate, the length of ventilation duct extends to top by the bottom of fire grate; Ventilation duct is equal opening up and down;
Fire grate top has edge, and its size is greater than the outer diameter of burner hearth.
The mode that the present invention adopts primary combustion and second-time burning to separate, makes the more abundant of biomass fuel combustion by twice aeration oxygen supply in stove, and fuel gas in flue dust participates in burning directly, when burning, flame temperature height produces without tar, the thermal efficiency is higher, and the waste gas of generation and dust are still less; Biomass combustion furnace different from the past, the present invention adopts the mode of down-firing, makes material abundant burning in layer from the bottom to top, can produce hardly like this flue dust around stove, is more applicable in daily life; Can directly observe the combustion case of clout in burner hearth, so reinforced at any time; Utilize natural air exhaust, without using blower fan, economize on resources and cost; The present invention also has water tank, can utilize the water heating in the waste heat feed-tank of stove, more saves the energy.
Brief description of the drawings
Fig. 1 is the stereogram of the first embodiment;
Fig. 2 is the cutaway view of the first embodiment;
Fig. 3 is the stereogram of the second embodiment;
Fig. 4 is the cutaway view of the second embodiment;
Fig. 5 is the stereogram of fire grate.
In figure: 1, carbide feed generator; 1.1, burner hearth; 1.2, dedusting chamber; 1.3, fire grate; 1.3.1, headwall; 1.3.2, edge; 1.3.3, ventilation duct; 1.4, ash disposal mouth; 1.5, ash door; 2, burner; 3, Holder for cooking utensils; 4, chimney; 5, burner arm; 6, water tank; 6.1, water inlet pipe; 6.2, outlet pipe.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
1, the first embodiment
As depicted in figs. 1 and 2, combustion furnace under a kind of living beings, 1. combustion furnace under living beings, comprises carbide feed generator 1, burner 2, stove support 3 and chimney 4, burner 2 is connected between carbide feed generator 1 and stove support 3; Carbide feed generator 1 inside has fire grate 1.3, carbide feed generator 1 is divided into upper and lower two parts by fire grate 1.3, and top is divided into burner hearth 1.1, and bottom is divided into dedusting chamber 1.2, the ash door 1.5 that there is ash disposal mouth 1.4 on dedusting chamber's 1.2 outer walls and can freely open and close, carbide feed generator 1 top end opening; The bottom of burner 2 is connected with carbide feed generator 1 outer wall downside, and the bottom of Holder for cooking utensils 3 has through hole, and the top of burner 2 is through the bottom through-hole of Holder for cooking utensils; Chimney 4 is connected to the side of Holder for cooking utensils 3.
The upper end of burner 2 also has a burner arm 5, and the top of burner arm 5 and bottom all have the through hole that can make burner 2 pass; The side of burner arm 5 has fresh air inlet, has several fresh air inlets on the sidewall of burner 2.
The top of described Holder for cooking utensils 3 has perforate; Holder for cooking utensils 3 also has the bell matching with bore size.
The outer wall of described burner 2 has heat-insulation layer (not indicating in figure).
This device also has a water tank 6, the outer wall welding of the outer wall of water tank 6 and burner hearth 1.1, and burner 2 is through water tank 6; Burner arm 5 is placed in the top of water tank 6; The sidewall of water tank 6 has water inlet pipe 6.1 and outlet pipe 6.2.
Carbide feed generator 1 inside has the support component of placing fire grate 1.3, can make fire grate 1.3 freely load and unload.
In use, living beings are put into above the fire grate 1.3 of burner hearth 1.1, cover the bell on Holder for cooking utensils 3, open ash door 1.5, put kindling material into dedusting chamber 1.2 by ash disposal mouth 1.4, after three to four minutes, the biomass material Pintsch process burning of fire grate 1.3, due to the enclosed environment in whole stove, and chimney 4 can extend higher position (exceeding furnace roof more than 1 meter), so under the natural air exhaust effect of chimney 4, flame and fuel gas enter burner 2 by fire grate 1.3, the fresh air inlet of burner arm 5 sides is supplied to oxygen in natural wind in burner 2 by the fresh air inlet of burner 2 endlessly, carry out secondary air feed, make the second-time burning in burner more abundant.
Bell is opened, on Holder for cooking utensils 3, placed cooker, the flame of burner 2 heats to cooker by the cooker mouth on Holder for cooking utensils 3; The top of Holder for cooking utensils 3 can also adopt totally enclosed structure, makes the forms such as warm stage.
Biomass material can be added in burner hearth 1.1 at any time, after blowing out, can open ash door 1.5, and the ashes in dedusting chamber 1.2 are cleared up.
As further improvement, what the heat-insulation layer of the outer wall of burner 2 can retarding heat scatters and disappears, and saves the energy.
Another improvement is burner 2 to go deep in water tank 6, and the heat of burner 2 can be passed to the water in water tank, carries out exchange heat, thereby hot water is provided endlessly.
2, the second embodiment
As shown in Figures 3 to 5, the difference of the second embodiment of the present invention and the first embodiment is: described fire grate 1.3 is along its neighboring along upwards extending to form hopper, and the top of its height and carbide feed generator 1 is concordant or higher than the top of carbide feed generator 1; The outer wall dimension of headwall 1.3.2 is less than burner hearth 1.1 internal diameters, and open top, bottom lock;
The bottom of fire grate 1.3 and sidewall are network structure or fence structure or have several apertures;
Ventilation duct 1.3.3 of bottom welding of fire grate 1.3, the length of ventilation duct 1.3.3 extends to top by the bottom of fire grate 1.3; Ventilation duct 1.3.3 is equal opening up and down.Fire grate can be as shown in Figure 5, also can be square hopper, or ellipse hopper etc., fire grate is fixing therein by the support component of carbide feed generator 1 inside, therefore fire grate 1.3 can take at any time, when the material afterburnt, and can be by fire grate 1.3 withdrawing device materials, and then fire grate 1.3 is returned in carbide feed generator 1, very convenient.
The hole of headwall or grid or fence structure had both facilitated kindling material that material is lighted, also dropping of convenient combustion ash.
The ventilation duct 1.3.3 of hopper interior welds, the natural air exhaust effect of chimney 4, by down air intake of ventilation duct, makes the ventilation in stove more smooth and easy, increased the amount of oxygen in whole stove, thereby the burning of material is more abundant.
As another preferred version, fire grate 1.3 tops have edge 1.3.1, and its size is greater than the outer diameter of burner hearth 1.1.
The edge 1.3.1 of hopper rides on burner hearth 1.1, prevents that hopper from dropping downwards, without the inside reprocessing step at carbide feed generator 1, has reduced procedure.
Also outside radiations heat energy of the outer wall of water tank and body of heater itself, surrounding air is heated up, thereby this device also can doublely make heating system.
Energy-conserving and environment-protective of the present invention, energy utilization rate is high, and the gas-solid granule content of discharge is lower, and contaminative is less; This installs very simple and durable simultaneously, with low cost.
Claims (8)
1. a combustion furnace under living beings, comprises carbide feed generator (1), burner (2), stove support (3) and chimney (4), and burner (2) is connected between carbide feed generator (1) and stove support (3); Carbide feed generator (1) inside has fire grate (1.3), carbide feed generator (1) is divided into upper and lower two parts by fire grate (1.3), top is divided into burner hearth (1.1), bottom is divided into dedusting chamber (1.2), the ash door (1.5) that has ash disposal mouth (1.4) and can freely open and close on dedusting chamber (1.2) outer wall, is characterized in that:
Carbide feed generator (1) top end opening; The bottom of burner (2) is connected with carbide feed generator (1) outer wall downside, and the bottom of Holder for cooking utensils (3) has through hole, and the top of burner (2) is through the bottom through-hole of Holder for cooking utensils (3); Chimney (4) is connected to the side of Holder for cooking utensils (3).
2. combustion furnace under living beings according to claim 1, is characterized in that: the upper end of burner (2) has a burner arm (5), and the top of burner arm (5) and bottom all have the through hole that can make burner (2) pass; The side of burner arm (5) has fresh air inlet, on the sidewall of burner (2), has several fresh air inlets.
3. combustion furnace under living beings according to claim 2, is characterized in that: the top of described Holder for cooking utensils (3) has perforate; Holder for cooking utensils (3) also has the bell matching with bore size.
4. combustion furnace under living beings according to claim 3, is characterized in that: the outer wall of described burner (2) has heat-insulation layer.
5. combustion furnace under living beings according to claim 3, is characterized in that: this device also has a water tank (6), the outer wall welding of the outer wall of water tank (6) and burner hearth (1.1), and burner (2) is through water tank (6); Burner arm (5) is placed in the top of water tank (6); The sidewall of water tank (6) has water inlet pipe (6.1) and outlet pipe (6.2).
6. according to combustion furnace under the living beings described in the arbitrary claim of claim 1 to 5, it is characterized in that: carbide feed generator (1) inside has the support component of placement fire grate (1.3).
7. combustion furnace under living beings according to claim 6, is characterized in that: described fire grate (1.3) is along its neighboring along upwards extending to form hopper, and the top of its height and carbide feed generator (1) is concordant or higher than the top of carbide feed generator (1); The outer wall dimension of headwall (1.3.2) is less than burner hearth (1.1) internal diameter, and open top, bottom lock;
The bottom of fire grate (1.3) and sidewall are network structure or fence structure or have several apertures;
A ventilation duct of bottom welding (1.3.3) of fire grate (1.3), the length of ventilation duct (1.3.3) extends to top by the bottom of fire grate (1.3); Ventilation duct (1.3.3) is equal opening up and down.
8. according to combustion furnace under the living beings described in the arbitrary claim of claim 1 to 5, it is characterized in that: described fire grate (1.3) is along its neighboring along upwards extending to form hopper, and its height is concordant with the top of carbide feed generator (1); The outer wall dimension of headwall (1.3.2) is less than burner hearth (1.1) internal diameter, open top, bottom lock;
The bottom of fire grate (1.3) and sidewall are network structure or fence structure or have several apertures;
A ventilation duct of bottom welding (1.3.3) of described fire grate (1.3), the length of ventilation duct (1.3.3) extends to top by the bottom of fire grate; Ventilation duct (1.3.3) is equal opening up and down;
Fire grate (1.3) top has edge (1.3.1), and its size is greater than the outer diameter of burner hearth (1.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410131984.7A CN103868104A (en) | 2014-04-02 | 2014-04-02 | Biomass down combustion furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410131984.7A CN103868104A (en) | 2014-04-02 | 2014-04-02 | Biomass down combustion furnace |
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| CN103868104A true CN103868104A (en) | 2014-06-18 |
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| CN201410131984.7A Pending CN103868104A (en) | 2014-04-02 | 2014-04-02 | Biomass down combustion furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784889A (en) * | 2014-12-25 | 2016-07-20 | 中国科学院广州能源研究所 | Rapid analysis system and method of crude fuel gas tar content |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052691A (en) * | 2009-11-10 | 2011-05-11 | 宋忠红 | Direct-fired half-gasification downdraft type full-gasification multifunctional straw furnace |
| US20130291771A1 (en) * | 2012-05-01 | 2013-11-07 | 7977093 Canada Inc. | Method and system for delivering heat through gasification of biomass |
| CN203478903U (en) * | 2013-07-30 | 2014-03-12 | 东莞市百大新能源股份有限公司 | Biomass hot-air system applied to industrial coating lines |
| CN203837028U (en) * | 2014-04-02 | 2014-09-17 | 徐州市佳谷环保科技有限公司 | Lower biomass combustion furnace |
-
2014
- 2014-04-02 CN CN201410131984.7A patent/CN103868104A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052691A (en) * | 2009-11-10 | 2011-05-11 | 宋忠红 | Direct-fired half-gasification downdraft type full-gasification multifunctional straw furnace |
| US20130291771A1 (en) * | 2012-05-01 | 2013-11-07 | 7977093 Canada Inc. | Method and system for delivering heat through gasification of biomass |
| CN203478903U (en) * | 2013-07-30 | 2014-03-12 | 东莞市百大新能源股份有限公司 | Biomass hot-air system applied to industrial coating lines |
| CN203837028U (en) * | 2014-04-02 | 2014-09-17 | 徐州市佳谷环保科技有限公司 | Lower biomass combustion furnace |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105784889A (en) * | 2014-12-25 | 2016-07-20 | 中国科学院广州能源研究所 | Rapid analysis system and method of crude fuel gas tar content |
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Application publication date: 20140618 |