CN203010678U

CN203010678U - Household biomass stove

Info

Publication number: CN203010678U
Application number: CN 201220653556
Authority: CN
Inventors: 周庆华
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-11-29
Filing date: 2012-11-29
Publication date: 2013-06-19
Anticipated expiration: 2022-11-29

Abstract

The utility model relates to a household biomass stove, which comprises a shell, a countertop and an ash storage box, wherein the countertop is arranged at the upper end of the shell and used for erecting a cookware, and the ash storage box is arranged at the lower end of the shell; a channel-type chamber box and a combustion chamber are arranged in the shell, and an opening at the upper end of the chamber box is opposite to a grate bridge arranged at an opening at the bottom of the combustion chamber; an opening at the lower end of the chamber box is communicated with an ash discharge hole formed in the bottom of the shell, and an air door is formed in the shell and is connected with a through hole formed in the side wall of the chamber box; a supporting box body connected with the countertop is arranged at the upper end of the shell, and a round hole opposite to the opening at the top of the combustion chamber is formed in the bottom of the supporting box body; and the combustion chamber is in an inverted funnel shape. The household biomass stove provided by the utility model uses the inverted funnel-shaped combustion chamber, and the opening at the bottom of the combustion chamber is larger than the opening at the top of the combustion chamber, so that biomass is burnt more fully, the soot production is effectively reduced, the ignition speed is faster, and the afterburnt soot falls into the ash storage box, and thus the stove is convenient to use, and is clean and sanitary, and the energy consumption is reduced.

Description

A kind of family biomass stove

Technical field

The utility model belongs to family biomass stove technical field.

Background technology

National rural energy is biomass energy (being mainly fuel wood, stalk) more than 40% so far, and the rural energy that a lot of provinces are wherein arranged is all biomass energy more than 90%.Used the kitchen range top of traditional cob brick structure of several thousand, still do not step down from the stage of history, but also be the main kitchen range that uses now biomass energy, although through improving several times, still having thoroughly to solve smoke fire, traditional native kitchen range do not burn root problem with inefficiency.

Family in the market is of a great variety with biomass stove, mainly contain three classes: cooking-type, cooking heating type and heating-type, the major defect of existing biomass stove is to use very inconvenient, be embodied in: 1) igniting is bothersome, the length consuming time of lighting a fire, 2) reinforced bothersome, to take off pot from top reinforced, due to the effect of air thermal convection current, the ash content in barrel and flue dust one gush, and be very unhygienic in reinforced; 3) also will use lower than 25 centimeters long fuel, and countryside biomass energy is mainly fuel wood, length is longer, can not directly use; 4) clear up again lime-ash also very bothersome, need propellant bottle is taken out ash discarding; 5) blower fan need to work long hours.

Summary of the invention

The purpose of this utility model is to provide a kind of family biomass stove, and this biomass stove has advantages of easy to use, clean hygiene.

For achieving the above object, the utility model has adopted following technical scheme:

this cooking stove comprises housing, be arranged at the stored ash box that sets up the table top of cooker and be arranged at the housing lower end of being used for of housing upper end, be provided with chamber case and the combustion chamber of channel-type in described housing, the opening of case upper end, chamber is relative with the grate that is arranged at bottom opening place, combustion chamber, the opening of case lower end, chamber is connected with the ash-removing hole that is opened in housing bottom, offer air door on housing, air door is connected with through hole on being opened in chamber case sidewall, the upper end of housing is provided with the support box body that is connected with the table top lower end, the bottom of supporting box body offers circular hole, circular hole is relative with the top of combustion chamber opening, the combustion chamber is for falling funnel-form.

Offer charging aperture on described housing, charging aperture is connected with through hole on being opened in sidewall of combustion chamber.

The upper end of described chamber case is provided with for the refractory slab that supports grate, offers the through hole relative with grate on refractory slab.

Be provided with heat-insulation layer in described housing, combustion chamber, grate and chamber case are arranged in heat-insulation layer.

Be provided with active plugboard on described ash-removing hole, active plugboard is connected with handle on being arranged at stored ash box.

Be provided with fire banking-up board on the circular hole that described support box body bottom is offered, fire banking-up board is connected with the handle that is arranged at support box body one side.

Be provided with columniform fire-stop ring in described support box body, the circular hole that an end of fire-stop ring is offered bottom supporting box body is connected.

Be provided with annular water tank in described support box body.

Be provided with on described table top and the chimney interface that supports box body and communicate, support on box body and offer relief hole, being provided with on relief hole can movable door leaf.

Described cooking stove also comprises blower fan, and the air outlet of blower fan is introduced in the chimney interface.

The beneficial effects of the utility model are embodied in:

Funnelform combustion chamber is adopted down with biomass stove in family described in the utility model, the combustion chamber bottom opening is greater than the top of combustion chamber opening, and biomass combustion is more abundant, has effectively reduced the generation of flue dust, and the speed of igniting is faster, the cigarette ash in afterburnt falls in stored ash box, and is not only easy to use, and clean hygiene, simultaneously, blower fan only needs work when igniting, need not to work long hours, and has reduced energy consumption.

The utility model arranges separately charging aperture on housing, need not to take off cooker and just can carry out the interpolation of biomass fuel, to the fuel size also without specific (special) requirements, use convenient, also health more.

The utility model can improve by fire banking-up board the effect of banking up a fire, and after banking up a fire, fuel can effectively accumulate in the combustion chamber, is conducive to repeat the cooking stove that ignites, and has also improved fuel availability simultaneously.

Description of drawings

Fig. 1 is structural representation of the present utility model:

In figure: 1 is housing, and 2 is table top, and 3 is stored ash box, and 4 is the chamber case, and 5 is the combustion chamber, and 6 is grate, and 7 is air door, and 8 support box body, 9 charging apertures, 10 refractory slabs, 11 active plugboards, 12 handles, 13 fire banking-up boards, 14 fire-stop rings, 15 chimney interfaces, 16 door leafs, 17 blower fans.

The specific embodiment

The utility model is described in further detail below in conjunction with drawings and Examples.

referring to Fig. 1, cooking stove described in the utility model comprises housing 1, be arranged at the stored ash box 3 that sets up the table top 2 of cooker and be arranged at housing 1 lower end of being used for of housing 1 upper end, be provided with chamber case 4 and the combustion chamber 5 of channel-type in described housing 1, the opening of chamber case 4 upper ends is relative with the grate 6 that is arranged at 5 bottom opening places, combustion chamber, the upper end of described chamber case 4 is provided with for the refractory slab 10 that supports grate 6, offer the through hole relative with grate 6 on refractory slab 10, the opening of chamber case 4 lower ends is connected with the ash-removing hole that is opened in housing 1 bottom, be provided with active plugboard 11 on described ash-removing hole, active plugboard 11 is connected with handle 12 on being arranged at stored ash box 3, be provided with heat-insulation layer in described housing 1, combustion chamber 5, grate 6 and chamber case 4 are arranged in heat-insulation layer, offer air door 7 on housing 1, air door 7 is connected with through hole on being opened in chamber case 4 sidewalls, offer charging aperture 9 on described housing 1, charging aperture 9 is connected with through hole on being opened in combustion chamber 5 sidewalls, the upper end of housing 1 is provided with the support box body 8 that is connected with table top 2 lower ends, the bottom of supporting box body 8 offers circular hole, circular hole is relative with combustion chamber 5 open tops, combustion chamber 5 is for falling funnel-form, the combustion chamber bottom opening is greater than the top of combustion chamber opening, be provided with fire banking-up board 13 on the circular hole that described support box body 8 bottoms are offered, fire banking-up board 13 is connected with the handle 12 that is arranged at support box body 8 one sides, be provided with columniform fire-stop ring 14 in described support box body 8, one end of fire-stop ring 14 with support the circular hole of box body 8 bottoms offering and be connected, the supporting case body space in the fire-stop ring outside forms flue, be provided with annular water tank in described support box body 8, be provided with on described table top 2 and the chimney interface 15 that supports box body 8 and communicate, support on box body 8 and offer relief hole, be provided with on relief hole can be movable door leaf 16, described cooking stove also comprises blower fan 17, the air outlet of blower fan 17 is introduced in chimney interface 15.

Embodiment

A kind of biomass stove, high 75 centimeters left and right are divided into upper, middle, and lower part, and the bottom is the square box type structure (can be also circular) of 40 * 40 * 30 centimeters, the equal variable of length, Main Function is: 1) increase the cooking stove height; 2) store ash content (being provided with the pull-alongs stored ash box).

Middle housing is 35 centimeters left and right of cylinder (can be also square body) diameter, high 31 centimeters, its size, height be variable all, adopt sheet metal material welding (also moldable and casting), middle housing is provided with charge door door and the air door (air door is also lighting door) that protrudes shell, is provided with on the charge door door and closes more tight door leaf.The bottom center of middle housing is provided with the circular hole (can be also square) of 7 centimeters left and right of a diameter, be provided with an active plugboard below circular hole, the handle of plate is located at the top of the square box type structure bottom cooking stove, Main Function is put grey use, and this design all facilitates when clearing up ashes than existing cooking stove.

The internal structure of middle housing is divided into upper and lower two parts, and the centre is that the metallic plate of a casting also can be made or with fire-resistant nonmetallic materials with fire-resistant sheet metal material, circular hole or square hole that plate central authorities have a size and grate to match.The bottom of plate is a cylindrical cavity case (can be also square), 16 centimeters left and right of diameter, the bottom is connected with ash-removing hole, top is connected with the grate of bottom, combustion chamber, the chamber case has interior air door in the side near the shell air door, interior air door is connected with the air door of shell (Main Function is to ventilate and igniting), is provided with the sparse grate of a row (can replace with iron wire, Main Function is to carry lighter) in the cylindrical cavity case.The combustion chamber on plate top be a height be 12.5 centimeters, 25 centimeters of base diameters, 14 centimeters of back cut diameters fall funnel-shaped structure, its cylindrical height in bottom is 6-7 centimetre left and right, the height of combustion chamber, large I slightly change, can be square or rectangle slightly, but must be all (casting, the punching press or make of fire-resistant nonmetallic materials) of leaking shape.Have the outwards interior charge door door of an outstanding part in the combustion chamber near a side of shell charge door door, interior charge door door is connected with charge door door on shell, it is the heat-insulation layer of filling with flame-proof thermal insulation material between middle housing and combustion chamber and chamber case, the characteristics of this unique design are: be easy to keep a hot environment because fall funnel shaped combustion chamber, and more be conducive to air intake, so it is very abundant that biomass fuel more easily burns and burns, do not have black smoke, firepower very large.The another one characteristics are not harsh to demanded fuel, and are very strong to the compatibility of various biomass materials, and particularly the fuel of tradition use need not to process and all can directly use.

the top of cooking stove: table top is 60 * 60 centimeters, put the Circularhole diameter 40-41 centimetre left and right of cooker in the middle of square (can be circle and rectangle), is furnished with the pot circle that varies in size, it is the square box type structure (can be also circular) of 50 * 50 * 13.5 centimeters left and right below table top, be connected with table top, square box type structural base central authorities have one and the close circular hole of combustion chamber size suitable for reading, circular hole is provided with a fire banking-up board, the driving handle of fire banking-up board is positioned at a side of square box type structure outside, fire banking-up board can directly be divided into combustion chamber and cooker, lower two parts, the great advantage of this unique design is: fire banking-up board and air door and charge door door on the complete bonnet of cooking, can make that in the combustion chamber, residual fuel in time extinguishes, there is no least bit waste, food in pot can keep the high temperature a very long time simultaneously, carbon deposit and not waste of residual fuel due to the inside, combustion chamber, so only needing slight scraps of paper when using cooking stove next time just can light fire, and without any need for the thing of igniting (this has facilitated many than traditional kitchen range).Be provided with a cylindrical fire-stop ring more smaller than table top Circularhole diameter in the square box type structure on cooking stove top, the external cavity of fire-stop ring is flue, fire-stop ring be provided with an annular water tank outward or with annular water tank as fire-stop ring.one jiao of circular smoke pipe that is provided with 10 * 10 centimeters in cooking stove top square box type structure, smoke pipe one end is arranged in flue, the upper end is the chimney interface, be connected (smoke tube mouth is to cannot see cigarette after catching fire) with chimney, little blower fan directly blows to wind in chimney by the iron pipe of 2.5 centimeters thicknesses of diameter, the effect of blower fan is auxiliary firing, cooking stove is inner forms a negative pressure acceleration circulation of air to reach the purpose that is easy to catch fire thereby make, only use the 1-2 minutes, fire can be turned off fan power once lighting, because be negative pressure, so leak without any flue dust, place near the chimney interface on the square box type structure of cooking stove top is provided with door leaf, the Main Function of this door leaf is: 1) open this door leaf and reduce pressure to burner hearth after banking up a fire, fire is easily extinguished, but must close when igniting, 2) in the situation that in the combustion chamber fuel few and don't want big fire to open this door with fuel saving.

This biomass stove has convenience, practicality, effects of energy saving and emission reduction, and nearly 1 year of sampling is more energy-conservation more than 75% than former cob brick kitchen range, and is more energy-conservation more than 50% than some biomass stoves in the market.If this biomass stove is promoted the use of in vast rural area in the whole nation, the environmental benefit that brings is immeasurable, will make due contribution to protection and the energy-saving and emission-reduction of forest cover.

Claims

1. family biomass stove, it is characterized in that: this cooking stove comprises housing (1), be arranged at the stored ash box (3) that sets up the table top (2) of cooker and be arranged at housing (1) lower end of being used for of housing (1) upper end, be provided with chamber case (4) and combustion chamber (5) of channel-type in described housing (1), the opening of chamber case (4) upper end is relative with the grate (6) that is arranged at bottom opening place, combustion chamber (5), the ash-removing hole of the opening of chamber case (4) lower end bottom being opened in housing (1) is connected, offer air door (7) on housing (1), air door (7) is connected with through hole on being opened in chamber case (4) sidewall, the upper end of housing (1) is provided with the support box body (8) that is connected with table top (2) lower end, the bottom of supporting box body (8) offers circular hole, circular hole is relative with combustion chamber (5) open top, combustion chamber (5) is for falling funnel-form.

2. a kind of family biomass stove according to claim 1 is characterized in that: offer charging aperture (9) on described housing (1), charging aperture (9) is connected with through hole on being opened in combustion chamber (5) sidewall.

3. a kind of family biomass stove according to claim 1, it is characterized in that: the upper end of described chamber case (4) is provided with for the refractory slab (10) that supports grate (6), offers the through hole relative with grate (6) on refractory slab (10).

4. a kind of family biomass stove according to claim 1, it is characterized in that: described housing is provided with heat-insulation layer in (1), and combustion chamber (5), grate (6) and chamber case (4) are arranged in heat-insulation layer.

5. a kind of family biomass stove according to claim 1 is characterized in that: be provided with active plugboard (11) on described ash-removing hole, active plugboard (11) is connected with handle (12) on being arranged at stored ash box (3).

6. a kind of family biomass stove according to claim 1 is characterized in that: be provided with fire banking-up board (13) on the circular hole that described support box body (8) bottom is offered, fire banking-up board (13) is connected with the handle (12) that is arranged at support box body (8) one sides.

7. a kind of family biomass stove according to claim 1 is characterized in that: be provided with columniform fire-stop ring (14) in described support box body (8), an end of fire-stop ring (14) with support the circular hole of box body (8) bottom offering and be connected.

8. a kind of family biomass stove according to claim 1, is characterized in that: be provided with annular water tank in described support box body (8).

9. a kind of family biomass stove according to claim 1, it is characterized in that: be provided with on described table top (2) and the chimney interface (15) that supports box body (8) and communicate, support on box body (8) and offer relief hole, being provided with on relief hole can movable door leaf (16).

10. a kind of family biomass stove according to claim 9, it is characterized in that: described cooking stove also comprises blower fan (17), the air outlet of blower fan (17) is introduced in chimney interface (15).