CN202941950U

CN202941950U - Barbecue stove

Info

Publication number: CN202941950U
Application number: CN2012205396815U
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: 2013-05-22
Anticipated expiration: 2022-10-20

Abstract

The utility model discloses a barbecue stove using biomass fuel particles. The barbecue stove comprises a support capable of being placed on ground, and a barbecue part and an auxiliary device part are arranged on the support. The barbecue part comprises a combustion tank and a combustor contained in the combustion tank. The barbecue part comprises a cuboid outer barbecue tank and an inner barbecue tank. A plurality of heat removal ports are formed in the upper surface of the inner barbecue tank. The density of the heat removal ports in the inner barbecue tank is gradually increased from a close end to a far end. The auxiliary device part comprises a fuel conveying mechanism and electrical equipment. According to the barbecue stove, even barbecue temperature is achieved through a punctiform biomass fuel combustion source on a long strip-shaped combustion area, and not only can unique taste of food barbecued by the biomass fuel be obtained, but also the times of turning over or moving the food by a user can be reduced.

Description

A kind of barbecue stove

Technical field

The utility model relates to a kind of barbecue stove that uses biomass fuel, especially relevant for a kind of barbecue stove of using the granule that is formed by the pulverizing such as straw, wood chip, agricultural crop straw compacting to act as a fuel baking food.

Background technology

Baking food is a kind of very popular cooking method.Due to advantages 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. to act as a fuel, but biomass fuel, the fuel granule that is namely formed by the pulverizing such as straw, wood chip, agricultural crop straw compacting but can baking go out unique ambrosia.Biomass fuel has begun to obtain gradually to use widely because of its health, environmental protection, efficient, economic dispatch advantage as a kind of novel energy, but it is used in the food baking field and does not obtain due exploitation.

Barbecue stove requires that larger heat supply barbecue area is preferably arranged, and can roast simultaneously more food like this, and efficient is higher.But on this larger area of heat-supply service, temperature is preferably average simultaneously, and the user does not just need to stir frequently or the mobile food of being roasted like this.And because burner must carry out air feed one time, preferably will carry out the secondary air feed, so the combustion system of this uniqueness has determined to use the barbecue stove of biomass fuel can only have the 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 to realize roasting uniformly temperature on larger area is exactly the technical problem that needs to be resolved hurrily.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of barbecue stove, and this stove and accessory uses biomass fuel pellet, utilizes the point-like burning things which may cause a fire disaster to realize barbecue temperature uniformly on long 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 section and an auxiliary equipment section on support.Barbecue section comprises a combustion box and a burner that is 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 the side upper limb and the end face relative with the 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 the combustion zone above the fuel frame plate.Offer several wind complement port on the fuel frame plate.The top of burner has a burner inner liner, and burner inner liner passes the end face of combustion box.Barbecue section also includes an outer barbecue box, and outer barbecue box is a cuboid, is that a food is put mouth above wherein, accommodates an interior barbecue box in outer barbecue box, and interior barbecue box is also a cuboid, is an opening below wherein.Be formed with several heat extraction mouths above interior barbecue box, outer barbecue box one end of cuboid is near-end, and the other end is far-end.Offer a port below near-end, burner inner liner is aimed at port.Density from near-end to far-end heat extraction mouth on interior barbecue box increases gradually.Auxiliary equipment section comprises fuel conveying mechanism and electrical equipment.The fuel conveying mechanism comprises a hopper, and end other end that is connected with the outlet of hopper below stretches into feed cylinder in the combustion zone and a rotating fuel spiral pushing bar that is contained in feed cylinder.Electrical equipment comprises air blast, power supply and power switch that the feeding motor, an one of a driving fuel spiral pushing bar can be blown in the blast area in burner.

The beneficial effect that the utility model brings is to have realized uniform barbecue temperature with point-like biomass fuel burning things which may cause a fire disaster on the barbecue area of long band shape, what can obtain that the food of biomass fuel barbecue has is unique delicious, can also reduce the number of times of user's upset or mobile food.

Description of drawings

Fig. 1 is the schematic perspective view of the utility model preferred embodiment.

Fig. 2 is the utility model plan view from above embodiment illustrated in fig. 1.

Fig. 3 is the sectional plain-view drawing of A-A direction in the utility model Fig. 2.

Fig. 4 is the sectional plain-view drawing of B-B direction in the utility model Fig. 2.

Fig. 5 be the utility model 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 utility model.This barbecue stove comprises that can be placed in a ground support 1, is provided with a barbecue section 2 and an auxiliary equipment section 3 on support 1.

Barbecue section 2 includes a combustion box 10, and combustion box 10 comprises that 12, one of 11 peripheral upwardly extending sides are connected with side 12 upper limbs and the end face 13 relative with bottom surface 11 along the bottom surface in 11, one of a bottom surface near ground.But offer the chamber door 14 of a switch on side 12.

Accommodate a burner 20 in combustion box 10, burner 20 has 21, one of fuel frame plates along the peripheral upwardly extending side plate 22 of fuel frame plate 21, 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.Offer several wind complement port 25 on fuel frame plate 21.The top of burner 20 has a burner inner liner 30, and burner inner liner 30 passes the end face 13 of combustion box 10.

Barbecue section 2 also includes an outer barbecue box 40, outer barbecue box 40 is cuboids, that a food is put mouth 41 wherein, as shown in Figure 5, accommodate an interior barbecue box 42 in outer barbecue box 40, interior barbecue box 42 is also a cuboid, is an opening 43 below wherein, is formed with several heat extraction mouths 44 above interior barbecue box 42.Outer barbecue box 40 1 ends of cuboid are near-end, and the other end is far-end.Offer a port 45 below near-end, burner inner liner 30 is aimed at port 45, and the position higher than end face 13 on burner inner liner 30 offers several secondary wind complement ports 31.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, namely the quantity of formed heat extraction mouth 44 on unit are, increase gradually.

Auxiliary equipment section 3 comprises fuel conveying mechanism 50 and electrical equipment 60.Fuel conveying mechanism 50 comprises that 51, one ends of hopper other end that is connected with the outlet of hopper 51 belows stretches into feed cylinder 52 in combustion zone 24 and a rotating fuel spiral pushing bar 53 that is contained in feed cylinder 52.The circuit diagram of electrical equipment 60 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 as shown in Figure 6.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 section 3, can control the power supply of whole circuit, and switch indication light 65 also is installed on auxiliary equipment section 3 near power switch 64, is used to refer to the folding condition of power switch 64.

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

In use, the user can first put support 1 of the present utility model steadily on the ground of desired location, pours fuel 70 in hopper 51.After the user pressed power switch 64, switch indication light 65 lighted, the expression power connection, and stove and accessory is started working.Feeding this moment 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.At this moment, the user can put into the cotton ball soaked in alcohol of lighting on the fuel 70 of burner 20 fuel 70 is lighted.Also at the same time, the blast area 23 interior air-supply of air blast 62 beginning in the combustion box 10, 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.Can produce the fuel gas of low concentration when fuel 70 is burned to a certain degree, these fuel gas also burn in the effect current downflow of the air-flow that air blast 62 produces.In the gallery that the air-flow process burner inner liner 30 of burning and the port 45 that outer barbecue box 40 is offered below enter below outer barbecue box 40 and interior barbecue box 42 surrounds, barbecue box 42 in constantly flowing out from heat extraction mouth 44 in the process that flows to far-end.The burning gas temperature of near-end is high and temperature far-end is low, but heat extraction mouth 44 quantity of near-end are few and heat extraction mouth 44 quantity far-end are many, and combustion gas flow far-end is large so the combustion gas flow that flows out from near-end is little.Formed result is exactly whole barbecue section on the barbecue zone of band shape, and temperature is roughly the same.Air can carry out secondary benefit wind to the burning gases of flowing through wherein in the outer inflow burner inner liner 30 of secondary wind complement port 31 of burner inner liner 30 formation, make burning gases burning wherein more abundant.

In the time of the needs burn-out, the 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 with very fast after-flame, and the user can open chamber door 14, the ashes in cleaning blast area 23.The marginal portion of fuel frame plate 21 deflection that can make progress has certain angle, forms a slice lowland at the middle part.Fuel 70 can be gathered in the 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 slow down simultaneously can also be placed 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 utility model.The area of heat extraction mouth 44 also can be different, and heat extraction mouth 44 areas far-end are larger such as heat extraction mouth 44 areas of near-end are less, all do not break away from principle of the present utility model.Known to those skilled in the art, drawings and Examples of the present utility model are only for illustrating that function of the present utility model, structure and principle should not become the restriction on the utility model is understood; Simultaneously, the purpose of this utility model all realizes.Above-described embodiment may be in the situation that do not break away from the utility model principle and have some change, so protection of the present utility model 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 comprise that can be placed in a ground support (1), is provided with a barbecue section (2) and an auxiliary equipment section (3) on support (1);

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

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

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

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

Electrical equipment (60) comprises that the feeding motor (61), one 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) upward 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 also being provided with on support (1) kitchen cabinet (102).

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