CN201715561U

CN201715561U - Biomass cooking stove

Info

Publication number: CN201715561U
Application number: CN2010202420245U
Authority: CN
Inventors: 伍斌强; 陈坚; 伍奕
Original assignee: Xunda Technology Group Co Ltd
Current assignee: Xunda Technology Group Co Ltd
Priority date: 2010-06-30
Filing date: 2010-06-30
Publication date: 2011-01-19
Anticipated expiration: 2020-06-30

Abstract

The utility model relates to a solid fuel domestic stove, which comprises an outer casing, a hearth and a smoke pipe. A material drum and a combustion supporting gas distributing plate are placed inside the hearth and correspond to a first ventilation chamber and a second ventilation chamber, a plurality of secondary air holes are arranged on the inner wall of the combustion supporting gas distributing plate, a plurality of primary air holes are arranged on the bottom wall of the combustion supporting gas distributing plate, and the total area of the primary air holes is larger than that of the secondary air holes. By the aid of natural air draft, the solid fuel domestic stove adopting upper combustion type layered direct combustion technology has the advantages of convenient utilization, safety, sanitation, high efficiency, energy conservation, wide applicable fuel range and the like, and is extremely suitable for rural residents in China to use.

Description

The biomass cooking stove

Technical field

The utility model relates to a kind of solid-fuelled domestic burners, particularly relates to a kind of stove and accessory with the direct concentrated combustion of living beings.

Background technology

The biomass energy of China is very abundant, and along with the agricultural and the development of forestry, biomass resource will get more and more, it is current that to utilize the subject matter of biomass energy be that capacity usage ratio is very low, also very unreasonable in the use, cause the huge waste of resource, utilize traditional native kitchen range burning bavin standing grain, stalk as the rural area always, efficiency of combustion is low and labour intensity is big, also damages to environment.China Patent No. 200920065356.8 disclosed a kind of biomass direct-fired furnaces, employing activity barrel, auxiliary air distributor and blower fan and air control valve, make that fuel combustion is abundant, the thermal efficiency is high and simple to operate, safety and sanitation, have the firepower of adjusting magnitude function, yet, owing to need utilize the blower fan air blast, stove and accessory need provide power supply, do not have power supply with regard to cisco unity malfunction, do not fit into power supply outlying mountain area unstable or that do not switch on, so need to improve further.

Summary of the invention

The purpose of this utility model provide a kind of health easy to use, safe, energy-efficient, be suitable for extensive, the sustainable burning of fuel and need not blower fan, need not to connect the natural air inducing biomass cooking stove of power supply.

The utility model is to realize by following technical scheme.

A kind of biomass cooking stove, comprise shell, burner hearth and smoke pipe, be placed with barrel and combustion-supporting air distribution disk in the burner hearth, corresponding air compartment one and the air compartment two of being communicated with of barrel and combustion-supporting air distribution disk, the inwall of combustion-supporting air distribution disk has some auxiliary airs hole, diapire has some primary airs hole, and the gross area in described primary air hole is greater than the gross area in auxiliary air hole, and described air compartment one and air compartment two Room are communicated with atmosphere.

The utility model can also further be realized by following technical measures.

Preferably, the gross area in described primary air hole is 1.5～3.5: 1 with the ratio of the gross area in auxiliary air hole; Further, the described gross area that goes out the primary air hole is 2: 1 with the ratio of the gross area in auxiliary air hole;

The air inlet of described air compartment one is equipped with damper, comprises air door seat and air flap;

The below of described barrel is placed with and connects ash-pan.

A kind of biomass cooking stove that the utility model provides uses biomass fuel, adopt the direct combustion technology of upper-burning layering, it is simple in structure, reach the purpose of nature air inducing thereby connect long smoke pipe generation stack effect, and, make fuel combustion abundant by combustion-supporting air distribution disk reasonable distribution first and second air, have simple to operate, firepower is powerful, the thermal efficiency is high, characteristics such as safety and sanitation, and can realize the firepower size adjustment.Its combustion-supporting air distribution disk and barrel be all desirable to go out burner hearth, makes things convenient for charging in the use, reinforced and fall operation such as ash, and the ash-pan that connects that can take out is placed in the barrel below.This utility model adopts nature air inducing, need not power supply, not only simplifies the structure but also reduced cost, and fuel is scalable, the burning free from dust, and fume emission is few, and free from extraneous odour does not have tar, is fit to very much Chinese rural and uses.

Description of drawings

Fig. 1 is the structural representation of biomass cooking stove.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is described in further detail:

Biomass cooking, stove comprise shell 1 as shown in Figure 1, in burner hearth is housed, hearth outer wall is wrapped with the heat preserving and insulating material 14 that can reduce thermal loss, upper furnace is communicated with smoke pipe 5, smoke pipe 5 is about 3 meters, vertically place, make stove and accessory when burning, form stack effect, strengthen cross-ventilation, the air ecto-entad is introduced barrel 3 and combustion-supporting air distribution disk 2, for fuel provides air in barrel 3 internal combustion, make that burning is more abundant, thermal efficiency height.Inboard wall of burner hearth is connected with the inner core 6 of up big and down small cylinder type, and the barrel 3 of round barrel shape mounts on the ring support that is placed on inner core 6 by the flange plate on top, and the diapire of barrel 3 has some barrel air admission holes 31.The dividing plate 7 of annular is air compartment 1 and air compartment 29 with the space segmentation of inner core in the burner hearth 6 and barrel 3 formation, air compartment 1 has pipeline to pass body of heater with air compartment 29 to be connected atmosphere, dividing plate 7 tops are air compartment 29, have equally distributed air compartment two ventholes of a circle in the upper end of inner core 6, dividing plate 7 belows are air compartments 1, and the barrel air admission hole 31 of barrel 3 diapires is communicated with air compartment 1.The top of barrel 3 is placed with combustion-supporting air distribution disk 2, combustion-supporting air distribution disk 2 is the toroidal cavity bodies that surrounded by inwall, outer wall, upper wall and diapire, there is fire hole at the middle part, outer wall is back taper, stepped cylindrical shell near inner core 6 upper ends, can prevent that outer wall has air admission hole because of temperature distortion and inner core 6 assembling tensions or loosening, air admission hole is connected air compartment 28 by air compartment two ventholes; The inwall of combustion-supporting air distribution disk 2 has the auxiliary air hole 22 of equally distributed diameter 5mm, has the primary air hole 21 of the diameter 7mm of equally distributed and auxiliary air hole 22 similar numbers on the diapire, supplies gas to barrel 3 and fire hole respectively, makes fuel combustion more abundant.The fire hole of combustion-supporting air distribution disk 2 top is placed with the fire-collection ring 4 of taper, makes that firepower is powerful, flame is more concentrated, improves the thermal efficiency; Inner core 6 tops are fixed with the firestopping ring 7 of annular, and firestopping ring 7 forms the exhaust passage, annulus with the pan bracket 11 that is installed in upper furnace, makes toxic emission even, can improve overall thermal efficient.In combustion process, have the bottom dropped out of a little lime-ash from barrel 3, connect ash-pan 15 so below barrel 3, be placed with.Ash-pan 15 of the present utility model, barrel 3, combustion-supporting air distribution disk 2 and fire-collection ring 4 all are that activity is placed in the burner hearth, take out for convenience or install, and are welded with hook support 10 respectively.

Firepower adjustable size of the present utility model, air inlet at air compartment 1 is equipped with damper, damper comprises air door seat 12 and the rotating air flap 13 that is fixed on the shell, rotary handle and air flap 13 are fitted together, the fit adjustment of air door seat 12 air flaps 13 can be controlled the air inflow of air compartment 1, promptly to the air demand of barrel 3, in the combustion process, only need to regulate the firepower size that the air quantity of air compartment 1 just can be regulated stove and accessory.

Claims

1. biomass cooking stove, comprise shell (1), burner hearth and smoke pipe (5), be placed with barrel (3) and combustion-supporting air distribution disk (2) in the burner hearth, corresponding air compartment one (8) and the air compartment two (9) of being communicated with of barrel (3) and combustion-supporting air distribution disk (2), the inwall of combustion-supporting air distribution disk 2 has some auxiliary airs hole (22), diapire has some primary airs hole (21), it is characterized in that the gross area (22) of the gross area in described primary air hole (21) greater than the auxiliary air hole, described air compartment one (8) and air compartment two (9) are communicated with atmosphere.

2. biomass cooking stove according to claim 1 is characterized in that the ratio of the gross area of the gross area in described primary air hole (21) and auxiliary air hole (22) is 1.5～3.5: 1.

3. biomass cooking stove according to claim 2 is characterized in that the ratio of the gross area of the described gross area that goes out primary air hole (21) and auxiliary air hole (22) is 2: 1.

4. according to claim 1,2 or 3 described biomass cooking stoves, it is characterized in that the air inlet of described air compartment one (8) is equipped with damper.

5. biomass cooking stove according to claim 5 is characterized in that described damper comprises air door seat (12) and air flap (13).

6. according to claim 1,2 or 3 described biomass cooking stoves, the below that it is characterized in that described barrel 3 is placed with and connects ash-pan (15).