CN103767558A

CN103767558A - Barbecue stove

Info

Publication number: CN103767558A
Application number: CN201210401855.6A
Authority: CN
Inventors: 朱宏锋; 陈前喜
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-10-20
Filing date: 2012-10-20
Publication date: 2014-05-07

Abstract

Disclosed is a barbecue stove using biomass fuel particles. The barbecue stove comprises a support rack which can be arranged on the ground, the support rack is provided with a barbecue unit and an auxiliary equipment unit. The barbecue unit comprises a combustion box, a combustor accommodated inside the combustion box, a rectangular outer barbecue box and an inner barbecue box. The upper surface of the inner barbecue box is provided with a plurality of heat exhaust vents which are formed more and more densely from the near end to the far end; the auxiliary equipment unit comprises a fuel conveying mechanism and electrical equipment. The barbecue stove achieves uniform barbecue temperature on a long strip-shaped barbecue area through point-like biomass fuel combustion sources, so that the unique flavor processed by food barbecued through biomass fuels can be obtained, and meanwhile, the number of times of turning or moving food of a user can be reduced.

Description

A kind of barbecue stove

Technical field

The present invention relates to a kind of barbecue stove that uses biomass fuel, especially have about a kind of barbecue stove of suppressing the granule forming and come as fuel baking food by pulverizing such as straw, wood chip, agricultural crop straws of using.

Background technology

Baking food is a kind of very popular cooking method.Due to the advantage such as safety, convenience, present barbecue uses stove and accessory more, and is not using bonfire.Roast with stove and accessory, can use fuel gas, carbon, firewood etc. as fuel, but biomass fuel suppresses by pulverizing such as straw, wood chip, agricultural crop straws the fuel granule forming, and but can baking go out unique ambrosia.Biomass fuel has started to obtain gradually application widely as a kind of novel energy because of its health, environmental protection, efficient, economic dispatch advantage, but it is in food baking field, application does not obtain due exploitation.

Barbecue stove requires preferably there is larger heat supply barbecue area, can roast so more food simultaneously, and efficiency is higher.But on this larger area of heat-supply service, temperature is preferably average simultaneously, user just does not need to stir frequently or is mobile by burning barbi like this.And because burner must carry out air feed one time, preferably will carry out secondary air feed, so the combustion system of this uniqueness has determined to use the barbecue stove of biomass fuel can only have point-like burning things which may cause a fire disaster.So how utilizing the point-like burning things which may cause a fire disaster of biomass fuel combustion device in larger area, to realize barbecue temperature is uniformly exactly technical problem urgently to be resolved hurrily.

Summary of the invention

Technical problem to be solved by this invention is to provide a kind of barbecue stove, and this stove and accessory uses biomass fuel pellet, utilizes point-like burning things which may cause a fire disaster to realize barbecue temperature uniformly on longer band shape barbecue area.

In order to solve this technical problem, the invention provides a kind of barbecue stove, this barbecue stove uses biomass fuel pellet, and comprises that can be placed in a ground support, is provided with a barbecue portion and an auxiliary equipment portion on support.Barbecue portion comprises a combustion box and a burner being contained in combustion box.Combustion box comprises a bottom surface near ground, and one along the upwardly extending side of bottom periphery, and one is connected with side upper limb and the relative end face with bottom surface.Burner has a fuel frame plate, and one along the upwardly extending side plate of fuel frame plate periphery, and a blast area that is positioned at fuel frame plate below.Side plate surrounds combustion zone above fuel frame plate.On fuel frame plate, offer several wind complement ports.The top of burner has a burner inner liner, and burner inner liner is through the end face of combustion box.Barbecue portion also includes an outer barbecue box, and outer barbecue box is a cuboid, is wherein that a food is put mouth above, accommodates an interior barbecue box in outer barbecue box, and interior barbecue box is also a cuboid, is wherein an opening below.Above interior barbecue box, be formed with several heat extraction mouths, the outer barbecue box of cuboid one end is near-end, and the other end is far-end.Below near-end, offer a port, burner inner liner is aimed at port.On interior barbecue box, increase gradually to the density of far-end heat extraction mouth from near-end.Auxiliary equipment portion comprises fuel conveying mechanism and electrical equipment.Fuel conveying mechanism comprises a hopper, and one end other end that is connected with the outlet of hopper below stretches into the feed cylinder in combustion zone, and a rotating fuel spiral pushing bar being contained in feed cylinder.Electrical equipment comprises that the feeding motor, one of a driving fuel spiral pushing bar can be to air blast, power supply and power switches of blowing in the blast area in burner.

The beneficial effect that the present invention brings is to have realized uniform barbecue temperature with point-like biomass fuel burning things which may cause a fire disaster on long banded barbecue area, can obtain biomass fuel and burn the uniqueness delicious food that barbi has, can also reduce the number of times of user's upset or mobile food.

Accompanying drawing explanation

Fig. 1 is the schematic perspective view of preferred embodiment of the present invention.

Fig. 2 is the present invention's plan view from above embodiment illustrated in fig. 1.

Fig. 3 is the sectional plain-view drawing of A-A direction in Fig. 2 of the present invention.

Fig. 4 is the sectional plain-view drawing of B-B direction in Fig. 2 of the present invention.

Fig. 5 be the present invention embodiment illustrated in fig. 1 in the schematic perspective view of barbecue box.

Fig. 6 is the circuit diagram of the electrical equipment part of preferred embodiment in Fig. 1.

The specific embodiment

Fig. 1,2,3 and 4 is depicted as the preferred embodiment of a kind of barbecue stove of the present invention.This barbecue stove comprises that can be placed in a ground support 1, is provided with a barbecue portion 2 and an auxiliary equipment portion 3 on support 1.

Barbecue portion 2 includes a combustion box 10, and combustion box 10 comprises that 11, one of a bottom surface near ground is connected with side 12 upper limbs along 12, one of the 11 upwardly extending sides of periphery, bottom surface and the relative end face 13 with bottom surface 11.On side 12, offer one can switch chamber door 14.

In combustion box 10, accommodate a burner 20, burner 20 has 21, one of fuel frame plates along the upwardly extending side plate 22 of fuel frame plate 21 periphery, and a blast area 23 that is positioned at fuel frame plate 11 belows.Side plate 22 surrounds combustion zone 24 above fuel frame plate 21.On fuel frame plate 21, offer several wind complement ports 25.The top of burner 20 has a burner inner liner 30, and burner inner liner 30 is through the end face 13 of combustion box 10.

Barbecue portion 2 also includes an outer barbecue box 40, outer barbecue box 40 is cuboids, wherein that a food is put mouth 41 above, as shown in Figure 5, in outer barbecue box 40, accommodate an interior barbecue box 42, interior barbecue box 42 is also a cuboid, is wherein an opening 43 below, is formed with several heat extraction mouths 44 above interior barbecue box 42.The outer barbecue box of cuboid 40 one end are near-end, and the other end is far-end.Below near-end, offer a port 45, burner inner liner 30 is aimed at port 45, on burner inner liner 30, offers several secondary wind complement ports 31 higher than the position of end face 13.Several secondary wind complement ports 31 can be lined up an equally spaced row, as shown in this most preferred embodiment.Density from near-end to far-end heat extraction mouth 44 on interior barbecue box 42, the quantity of the heat extraction mouth 44 forming in unit are, increases gradually.

Auxiliary equipment portion 3 comprises fuel conveying mechanism 50 and electrical equipment 60.Fuel conveying mechanism 50 comprises that 51, one one end of hopper other end that is connected with the outlet of hopper 51 belows stretches into the feed cylinder 52 in combustion zone 24, and a rotating fuel spiral pushing bar 53 being contained in feed cylinder 52.The circuit diagram of electrical equipment 60 as shown in Figure 6, comprises that the feeding motor 61, of a driving fuel spiral pushing bar 53 can be to 63, one power switches 64 of air blast 62, power supply and the power supply indicator 65 of the blast area 23 interior air-supplies in burner 20.Power supply 63 can be both power of alterating and direct current 631, also can be on power of alterating and direct current 631 multiple-connected battery 632 as accessory power supply.Power of alterating and direct current 631 and battery 632 all can be powered separately.Power switch 64 is installed on auxiliary equipment portion 3, can control the power supply of whole circuit, and switch indication light 65 is also installed on auxiliary equipment portion 3 near power switch 64, is used to refer to the folding condition of power switch 64.

Fuel 70 is biomass fuel, is to suppress by pulverizing such as straw, wood chip, agricultural crop straws the granule forming.As shown in Fig. 1,3 and 4, for conveniently moving, on support 1, can also be equiped with roller 101.In order conveniently to make and put food, on support 1, can also be provided with kitchen cabinet 102.

In use, user can first put support 1 of the present invention steadily on the ground of desired location, in hopper 51, pours fuel 70 into.When user presses after power switch 64, switch indication light 65 lights, and represents power connection, and stove and accessory is started working.Now feeding motor 61 rotates, and driving fuel spiral pushing bar 53 is sent into fuel 70 in burner 20, and fuel 70 falls under gravity on fuel frame plate 21.Now, user can put into the cotton ball soaked in alcohol of lighting on the fuel 70 of burner 20 fuel 70 is lighted.Also be at the same time, air blast 62 starts to the interior air-supply in blast area 23 in combustion box 10, and wind enters combustion zone 24 by a wind complement port 25 of offering on fuel frame plate 21, for the burning of fuel 70 provides required oxygen.In the time that being burned to a certain degree, fuel 70 can produce the fuel gas of low concentration, the effect current downflow of the air-flow that these fuel gas produce at air blast 62 burning.The port 45 that the air-flow of burning is offered below through burner inner liner 30 and outer barbecue box 40 enters by outer barbecue box 40 below and in the gallery that surrounds of interior barbecue box 42, continuous barbecue box 42 in outflow from heat extraction mouth 44 in the process mobile to far-end.The burning gas temperature temperature high and far-end of near-end is low, but heat extraction mouth 44 quantity heat extraction mouth 44 quantity few and far-end of near-end are many, so the combustion gas flow combustion gas flow little and far-end flowing out from near-end is large.It is roughly the same that the result forming is exactly whole barbecue portion temperature on banded barbecue region.In the outer inflow burner inner liner 30 of secondary wind complement port 31 that air can form from burner inner liner 30, the burning gases of flowing through are wherein carried out to secondary and mend wind, make burning gases burning wherein more abundant.

When needs stop burning time, user can disconnecting power switch 64, and switch indication light 65 extinguishes, and feeding motor 61 stops operating, and air blast 62 stops.Do not have new fuel 70 to supply with burning, the fuel in combustion zone 24 is by very fast after-flame, and user can open chamber door 14, the ashes in cleaning blast area 23.There is certain angle the marginal portion of fuel frame plate 21 upwards deflection, forms a slice lowland at middle part.Fuel 70 can be gathered in lowland, thereby avoids edge fuel combustion insufficient generation black smoke that is heated.

More even for food is heated, the radiating rate of the burning gases that simultaneously slow down, can also place appropriate broken volcanic rock (not shown) outside between barbecue box 40 and interior barbecue box 42.Broken volcanic rock can also bring unique food barbecuing taste simultaneously.In the present embodiment, area and the shape of each heat extraction mouth 44 are identical, just increase to some extent to far-end density from near-end.Heat extraction mouth 44 can be also other shapes, as circular, ellipse, planet or irregular shape, does not affect principle of the present invention.The area of heat extraction mouth 44 also can be different, such as heat extraction mouth 44 areas of near-end are larger compared with heat extraction mouth 44 areas little and far-end, all do not depart from principle of the present invention.Known to those skilled in the art, drawings and Examples of the present invention are only for illustrating that function of the present invention, structure and principle should not become the restriction in the present invention's understanding; Meanwhile, object of the present invention all realizes.Above-described embodiment may be had some change without departing from the principles of the present invention, so protection of the present invention should be as the criterion with the scope described in claims.

Claims

1. a barbecue stove, is characterized in that using biomass fuel (70) particle, and comprises that can be placed in a ground support (1), is provided with a barbecue portion (2) and an auxiliary equipment portion (3) on support (1);

Barbecue portion (2) comprises a combustion box (10) and a burner (20) being contained in combustion box (10), combustion box (10) comprises a bottom surface (11) near ground, one along bottom surface the upwardly extending side of (11) periphery (12), one is connected with side (12) upper limb and the relative end face (13) with bottom surface (11), burner (20) has a fuel frame plate (21), one along the upwardly extending side plate of fuel frame plate (21) periphery (22), an and blast area (23) that is positioned at fuel frame plate (21) below, side plate (22) surrounds combustion zone (24) in fuel frame plate (21) top, on fuel frame plate (21), offer several wind complement ports (25), the top of burner (20) has a burner inner liner (30), burner inner liner (30) is through the end face (13) of combustion box (10),

Barbecue portion (2) also includes an outer barbecue box (40), outer barbecue box (40) is a cuboid, wherein that a food is put mouthful (41) above, in outer barbecue box (40), accommodate an interior barbecue box (42), interior barbecue box (42) is also a cuboid, wherein an opening (43) below, above interior barbecue box (42), be formed with several heat extraction mouths (44), the outer barbecue box (40) of cuboid one end is near-end, the other end is far-end, below near-end, offer a port (45), burner inner liner (30) is aimed at port (45), interior barbecue box (42) is upper to be increased to the density of far-end heat extraction mouth (44) gradually from near-end,

Auxiliary equipment portion (3) comprises fuel conveying mechanism (50) and electrical equipment (60);

Fuel conveying mechanism (50) comprises a hopper (51), article one, the outlet of one end and hopper (51) the below other end that is connected stretches into the feed cylinder (52) in combustion zone (24), and a rotating fuel spiral pushing bar (53) being contained in feed cylinder (52);

Electrical equipment (60) comprises that the feeding motor (61), one of a driving fuel spiral pushing bar (53) can be to air blast (62), power supply (63) and power switches (64) of air-supply in the blast area (23) in burner (20).

2. barbecue stove as claimed in claim 1, is characterized in that burner inner liner (30) above offers several secondary wind complement ports (31) higher than the position of end face (13).

3. barbecue stove as claimed in claim 1, is characterized in that being also provided with on support (1) kitchen cabinet (102).

4. barbecue stove as claimed in claim 2, is characterized in that being also provided with on support (1) kitchen cabinet (102).