CN202581415U

CN202581415U - Biomass combustion furnace

Info

Publication number: CN202581415U
Application number: CN 201220219695
Authority: CN
Inventors: 王常军
Original assignee: Individual
Current assignee: Tangshan City Fengrun District Shenhuo New Energy Development Co Ltd
Priority date: 2012-05-16
Filing date: 2012-05-16
Publication date: 2012-12-05
Anticipated expiration: 2022-05-16

Abstract

The utility model discloses a biomass combustion furnace, belonging to the field of combustion equipment. The biomass combustion furnace comprises a furnace body, wherein a water tank is fixed on the upper part of the right side wall of the furnace body; a chimney is arranged on the upper surface of the water tank; the furnace body is divided into three layers which sequentially comprise an ash discharge chamber, a hearth and a combustion chamber from bottom to top; and the side wall of the hearth is provided with a feed port. The biomass combustion furnace is characterized in that the side wall of the combustion chamber is provided with a secondary air inlet. According to the biomass combustion furnace disclosed by the utility model, the fume generated in the hearth is combusted sufficiently through the arrangement of the secondary air inlet in the combustion chamber, so that less soot is generated, therefore the biomass combustion furnace has the characteristics of cleanness, sanitation and simpleness for operation.

Description

The biomass combustion stove

Technical field

The utility model relates to a kind of domestic gas generating means, belongs to the combustion apparatus field, especially a kind of biomass combustion stove that is used for biological materials such as burning straw, wood chip.

Background technology

In the northern China rural area, agricultural straw resource is abundant, and its output is along with the grain yield increase also increases rapidly.According to estimates, the annual utilization rate of national agricultural crop straw only accounts for about 30% of whole output, mainly concentrates on papermaking, feed, chopping and returning etc., and all the other are all burned or be discarded.For vast farmers, to the use that still acts as a fuel of unique purposes of agricultural crop straw.But, used these stove and accessorys that act as a fuel with agricultural crop straw in the vast rural area of China, generally only as the cooking instrument, function is too single, exists to pollute serious, the comparatively serious defective of energy dissipation.Also have the faggot combustion furnace that uses, it is simple in structure, the thermal efficiency is low, and the direction of catching fire makes progress; Easy cigarette, not too big variation for hundreds of years, flue dust flies upward during use; Give indoor bring dust and pollution easily, need very frequent interpolation fuel in use, make it sustained combustion; So not only bother, and waste time and energy, efficient is not high.

The utility model content

The technical problem that the utility model will solve provides a kind of burning degree height, smoke effect is good, and biomass combustion stove simple to operate.

For solving the problems of the technologies described above, the technical scheme that the utility model is taked is: a kind of biomass combustion stove comprises body of heater; The right side wall top of said body of heater is fixed with water tank; The upper surface of said water tank is provided with chimney, and said body of heater is split into three layers, is followed successively by ash discharging chamber, burner hearth and combustion chamber from bottom to up; The sidewall of said burner hearth is provided with charging aperture, it is characterized in that said side wall of combustion chamber is provided with the secondary air mouth.

Said structure is done further restriction; Center in the said combustion chamber is provided with combustion chamber, and said combustion chamber is a tubular, and its sidewall is provided with the hole that is communicated with said secondary air mouth; The top of combustion chamber is provided with the fire seperating ring of upper and lower opening; The upper shed of said fire seperating ring is greater than under shed, and the upper shed of the under shed of fire seperating ring and combustion chamber is complementary, and the sidewall of fire seperating ring is evenly equipped with fire output hole.The utility model is utilized in the combustion chamber and carries out secondary blast, makes more fully burning, and the cigarette ash that then produces reduces significantly, and there is seldom cigarette ash in the hot gas that gets in water tank and the chimney, whole combustion process clean.Fire seperating ring in the utility model is that upper shed is big, under shed is little, and burned flame concentrates in the fire seperating ring, and too much heat can get into water tank through the fire output hole on the fire seperating ring sidewall, and is this simple in structure, easy to install.

Said structure is done further restriction, and said water tank inside is provided with the pipeline of dress water, and the two-port of pipeline is connected with the delivery port of the water inlet of being located at sidewall of the furnace body and water tank upper surface respectively, and pipeline outside cavity is communicated with combustion chamber and chimney.The water tank inside of the utility model is divided into two cavitys, and pipe interior and pipeline are outside respectively, the pipe interior storage of water, and the pipeline outside is a hot gas, through pipeline and hydrothermal exchange, discharges through chimney then, and hot water can be provided endlessly.In addition, furnace body outer wall of the utility model and tank outer wall can heat up to surrounding space to outside radiations heat energy, and comfortable space is provided.

Said structure is done further restriction, and said ash discharging chamber and burner hearth are cut apart through the ashes plate, and the rotating shaft of said ashes plate is connected with the deashing bar that is positioned at furnace body outer wall.The utility model only needs rotation deashing bar when the residual ash of cleaning after-flame, can clear up the residual ash on the ashes plate to ash discharging chamber, and convenient and swift, cleaning is convenient.

Said structure is done further restriction, and the sidewall of said burner hearth, the top of water inlet are provided with explosion-proof valve.In order to prevent pipeline because temperature is too high blasts, therefore be provided with explosion-proof valve, guarantee the utility model safe handling.

Adopt the beneficial effect that technique scheme produced to be: the utility model fully burns through the secondary air mouth is set, makes the flue gas that in burner hearth, produces in the combustion chamber, and the cigarette ash of generation is few, clean; The utility model in use only needs to add sufficient fuel at charging aperture, because charging aperture is to be obliquely installed, do not need to operate once more, so this device is simple, convenient; The utility model utilizes external deashing bar rotation, can accomplish the deashing operation, and cleaning is convenient, and is safe in utilization; The utility model collection burning a heatable brick bed, heat exchange, cooking are one, carry out heat exchange with the body of heater high temperature position, and flue gas and air are taken their own roads, and the thermal efficiency is up to 65 ~ 85%, and volume is little, and is easy to use, cheap.

Description of drawings

Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further detailed explanation.

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the main cutaway view of Fig. 1;

Fig. 3 is the cutaway view of A-A among Fig. 2;

Wherein: 1, charging aperture, 2, body of heater, 3, water tank, 4, chimney, 5, delivery port, 6, explosion-proof valve, 7, water inlet, 8, the deashing bar, 9, fire seperating ring, 10, combustion chamber, 11, pipeline, 12, burner hearth, 13, the ashes plate, 14, ash discharging chamber, 15, the secondary air mouth.

The specific embodiment

Can know that according to accompanying

drawing

1,2 and 3 the utility model is specifically related to a kind of biomass combustion stove, comprises body of heater 2; Be fixed with water tank 3 on the upper right sidewall of said body of heater 2; The upper surface of said water tank 3 is provided with chimney 4, and body of heater 2 is split into three layers, is followed successively by ash discharging chamber 14, burner hearth 12 and combustion chamber from bottom to up; The sidewall of burner hearth 12 is provided with charging aperture 1, and side wall of combustion chamber is provided with secondary air mouth 15.The utility model is through the most of air of ash discharging chamber's 14 supplies, and secondary air mouth 15 replenishes air, makes full combustion of fuel, reduces soot amount.

Center in the combustion chamber is provided with combustion chamber 10; Combustion chamber 10 is a tubular; Its sidewall is provided with the hole that is communicated with said secondary air mouth 15, and the top of combustion chamber 10 is provided with the fire seperating ring 9 of upper and lower opening, and the upper shed of fire seperating ring 9 is greater than under shed; And the upper shed of the under shed of fire seperating ring 9 and combustion chamber 10 is complementary, and the sidewall of fire seperating ring 9 is evenly equipped with fire output hole.Water tank 3 inside are provided with the pipeline 11 of dress water, and the two-port of pipeline 11 is connected with the delivery port 5 of the water inlet 7 of being located at body of heater 2 sidewalls and water tank 3 upper surfaces respectively, and pipeline 11 outside cavitys are communicated with combustion chamber and chimney 4.

Ash discharging chamber 14 is cut apart through ashes plate 13 with burner hearth 12, and the rotating shaft of ashes plate 13 is connected with the deashing bar 8 that is positioned at body of heater 2 outer walls.Deashing bar 8 is a quadric chain, controls two rotatable ashes plates 13, through stirring deashing bar 8, driven rotary axle, upset ash-removing plate 13, cleaning dust stratification.

The top of the sidewall of said burner hearth 12, water inlet 7 is provided with explosion-proof valve 6.Explosion-proof valve 6 is connected with pipeline 11, can discharge the too much pressure of pipeline 11, guarantees that explosion does not take place pipeline 11, avoids potential safety hazard.

The advantage that the utility model is in use had:

(1) duration of ignition is short: ignite with timber and within two minutes, can rise fire;

(2) heating ability is strong: the furnace heating surface connection and reasonable arrangement, and hot transfer capability is fast;

(3) programming rate is fast: can room temperature promoted comprehensively in back 30 minutes in igniting;

(4) fire-sealing time is long: fire-sealing time length also can keep the ability of lasting heating when banking up a fire;

(5) the cooking firepower is violent: can in heating, heat up water, cook;

(6) fuel adapts to wide: biomass massive fuel, wooden fuel, crevice, corncob, fire coal all can use;

(7) simple installation: Natural Circulation and Micropump circulation all can reach ideal effect;

(8) simple to operate: it is simple conveniently to feed in raw material, let out ash;

(9) energy-conserving and environment-protective: pollutant emissions such as thermal oxide sulphur, oxycompound are minimum.

Claims

1. biomass combustion stove; Comprise body of heater (2), the right side wall top of said body of heater (2) is fixed with water tank (3), and the upper surface of said water tank (3) is provided with chimney (4); Said body of heater (2) is split into three layers; Be followed successively by ash discharging chamber (14), burner hearth (12) and combustion chamber from bottom to up, the sidewall of said burner hearth (12) is provided with charging aperture (1), it is characterized in that said side wall of combustion chamber is provided with secondary air mouth (15).

2. biomass combustion stove according to claim 1; It is characterized in that the center in the said combustion chamber is provided with combustion chamber (10), said combustion chamber (10) is a tubular, and its sidewall is provided with the hole that is communicated with said secondary air mouth (15); The top of combustion chamber (10) is provided with the fire seperating ring (9) of upper and lower opening; The upper shed of said fire seperating ring (9) is greater than under shed, and the upper shed of the under shed of fire seperating ring (9) and combustion chamber (10) is complementary, and the sidewall of fire seperating ring (9) is evenly equipped with fire output hole.

3. biomass combustion stove according to claim 2; It is characterized in that said water tank (3) inside is provided with the pipeline (11) of dress water; The two-port of pipeline (11) is connected with the delivery port (5) of the water inlet (7) of being located at body of heater (2) sidewall and water tank (3) upper surface respectively, and pipeline (11) outside cavity is communicated with combustion chamber and chimney (4).

4. biomass combustion stove according to claim 3 is characterized in that said ash discharging chamber (14) and burner hearth (12) cut apart through ashes plate (13), and the rotating shaft of said ashes plate (13) is connected with the deashing bar (8) that is positioned at body of heater (2) outer wall.

5. biomass combustion stove according to claim 4 is characterized in that the sidewall of said burner hearth (12), the top of water inlet (7) are provided with explosion-proof valve (6).