CN100494784C - Biomass gasifying direct combustion stove - Google Patents

Abstract

A biological pneumatic direct burning furnace comprises the smoke chimney, furnace shell, heating sleeve, burner, generator, center furnace screen, lighting device, with the burner above the screen inside the outside shell, furnace shell outside the heating sleeve and fixed with it, cylindrical generator above the lighting device inside the outside shell, feeding opening at the top of the cylindrical generator, feeding pipe above the feeding opening going through the outside wall, bottom of the generator connected to the bottom cover, center screen installed inside the generator above the bottom plate with limit oxygen holes outside wall of the generator, with the limit oxygen hole's quantity loose above and dense at the bottom.

Description

Biomatter gasifying direct combustion stove

Technical field

The present invention relates to a kind of stove and accessory, relate in particular to a kind of Biomatter gasifying direct combustion stove.

Background technology

The patent No. is ZL200520085535.X, and the application people is the patent of Sun Zhuohang, and a kind of Biomatter gasifying direct combustion stove comprises: the center fire grate of the igniter of chimney, body of heater shell, chimney thermal insulation layer, band choke, gasifying pot, the straight air flue of band cone; Gasifying pot is sleeved in the body of heater shell; Chimney is installed in the gasifying pot top, closely is connected with venthole on the gasifying pot, and the chimney thermal insulation layer is enclosed within the chimney outside and fixedlys connected with chimney; The center fire grate is installed in the gasifying pot bottom; Chimney thermal insulation layer top is installed with outlet pipe; Be equipped with one on the outlet pipe and add water tank, the chimney thermal insulation layer by outlet pipe with add water tank and communicate; The bottom is equipped with burner in the chimney, and the burner lower end closely is connected with venthole, has the oxygen supply hole on the burner; Have charging aperture above the gasifying pot, be merely able to partial combustion during fuel combustion, the utilization rate of fuel is low.

Summary of the invention

The purpose of this invention is to provide a kind of Biomatter gasifying direct combustion stove that can make full combustion of fuel.

To achieve these goals, the technical scheme that the present invention takes is: a kind of Biomatter gasifying direct combustion stove, comprising chimney, the body of heater shell, the heating water jacket, burner, generator, the center fire grate of the straight air flue of band cone, the igniter of band choke, burner is positioned at the body of heater enclosure of the fire grate top, center of the straight air flue of band cone, the body of heater shell is enclosed within the outside of heating water jacket, the body of heater shell is fixedlyed connected with the heating water jacket, the top of the igniter of body of heater enclosure is equipped with the cylindrical shape generator, the design of cylindrical shape generator upper end has charging aperture, charging aperture upwards is connected to feed pipe, feed pipe passes the lateral wall of body of heater shell, the fixedly connected bottom dish in cylindrical shape generator lower end, the center fire grate of the straight air flue of band cone is installed in the cylindrical shape generator inside of bottom dish top; The lateral wall of generator has limit oxygen hole, dredge close down on the quantity in limit oxygen hole, be characterized in: the generator indoor design has the ash disposal auxiliary combustion equipment, the ash disposal auxiliary combustion equipment comprises the back taper tubular fire grate of bottom, annulus cover during back taper tubular fire grate upper end is fixedly connected with, the lower end is fixedly connected with down the annulus cover, following annulus puts and connects the cone barrel fire grate, cone barrel fire grate upper end is fixedly connected with the annulus cover, last annulus set upper side has the deashing pawl, connect described bottom dish under the following annulus cover, described center fire grate passes annulus cover, middle annulus cover, following annulus cover.

Advantageous effect of the present invention is: because the lateral wall of generator has limit oxygen hole, dredge close down on the quantity in limit oxygen hole, make the low excess air of gasification limit oxygen air feed and burning constantly create self balance, this balance constantly is in dynamic change gasification, and combustion system with the moment again and coordinates voluntarily, remedy mutually, constantly form new poised state, this poised state can guarantee constantly that the fuel in the body of heater is in good working order all the time in the gasification, and combustion process, make full combustion of fuel, the operating efficiency of Biomatter gasifying direct combustion stove improves greatly.

Description of drawings

Fig. 1 is a structural representation of the present invention.

Fig. 2 is the structural representation of ash disposal auxiliary combustion equipment among Fig. 1.

Fig. 3 is the structural representation of burner among Fig. 1.

Fig. 4 is the structural representation of the combustion-supporting net of high temperature among Fig. 1.

The specific embodiment

Below in conjunction with the drawings and specific embodiments the present invention is described further:

As Fig. 1,2,3, shown in 4, a kind of Biomatter gasifying direct combustion stove, comprising chimney 10, body of heater shell 3, heating water jacket 5, burner 6, generator 4, the center fire grate 2 of the straight air flue of band cone, the igniter 1 of band choke, burner 6 is positioned at body of heater shell 3 inside of center fire grate 2 tops of the straight air flue of band cone, body of heater shell 3 is enclosed within the outside of heating water jacket 5, body of heater shell 3 is fixedlyed connected with heating water jacket 5, the top of the igniter 1 of body of heater shell 3 inside is equipped with cylindrical shape generator 4, the design of cylindrical shape generator 4 upper ends has charging aperture 11, charging aperture 11 upwards is connected to feed pipe, feed pipe passes the lateral wall of body of heater shell 3, the fixedly connected bottom dish in cylindrical shape generator 4 lower ends, the center fire grate 2 of the straight air flue of band cone is installed in cylindrical shape generator 4 inside of bottom dish top; The lateral wall of generator 4 has limit oxygen hole 13, dredges close down on the quantity in limit oxygen hole 13.The generator indoor design has ash disposal auxiliary combustion equipment 12, ash disposal auxiliary combustion equipment 12 comprises the back taper tubular fire grate 14 of bottom, back taper tubular fire grate 14 upper ends are fixedly connected with middle annulus cover, the lower end is fixedly connected with down the annulus cover, following annulus puts and connects cone barrel fire grate 15, cone barrel fire grate 15 upper ends are fixedly connected with annulus cover 16, last annulus overlaps 16 upper ends and has deashing pawl 17, connect described bottom dish under the following annulus cover, the center fire grate 2 of the straight air flue of band cone passes annulus cover 16, middle annulus cover, following annulus cover around the annulus cover, is better burnt remaining biological carbon with heat accumulation, the utilization rate of biological carbon is improved, reduce the waste of resource.Cover 18, overcoat 19, annulus platform 20 in burner comprises, interior cover 18 comprises the heavy caliber tube 21 on top and the small-bore tube 24 of bottom, be distributed with passage 23 on the sidewall of the inside race, have airport 22 on the annulus platform 20, annulus platform 20 respectively with airtight the fixedlying connected in upper surface of interior cover 18, overcoat 19, annulus hole on the annulus platform 20 is corresponding with the mouth of heavy caliber tube 21, and heavy caliber tube 21 and small-bore tube 24 are an integral body; Small-bore tube 24 times is extend neck in succession, have control valve on the connecting cylinder, small-bore tube 24 communicates with connecting cylinder is airtight, control valve passes body of heater shell 3 lateral walls, connecting cylinder is fixedlyed connected with the center fire grate 2 of the straight air flue of band cone of below, burning quality when burner 6 can not only be guaranteed high-power burning, and can also be according to long-time, the low power efficient burning of the needs of calandria, the energy-conserving and environment-protective performance is very reliable.The combustion-supporting net 9 of last termination high temperature of burner 6, the combustion-supporting net 9 of high temperature comprises horizontally disposed upper wire 25 and horizontally disposed lower net 26, upper wire 25 is fixedlyed connected with lower net 26, upper wire 25 is formed by fixedly connecting by the different annulus of diameter, lower net 26 is consistent with the structure of upper wire 25, on, following two layers of mesh circle diameter has nothing in common with each other, lower net connects the upper surface of described annulus platform and corresponding with the annulus hole on the annulus platform for 26 times, during work, the combustion-supporting net collection of high temperature burner calory burning suitable for reading, will be by unburnt volatile matter of burner and the thorough after-flame of tar, improve the utilization rate of combustible gas and the heat in burning cooking stove mouth and the generator, improve the temperature of burning air flue simultaneously, and then improved the gasification quality of fuel in the generator and the combustion efficiency of combustible gas, improved the efficiency of combustion of fuel greatly.Body of heater shell 3 exterior upper portion are with pre-dehumidifying drying case 7 and airtight with it fixedly connected, chimney 10, body of heater shell 3, heating water jacket 5 passes pre-dehumidifying drying case 7 box cavities, pre-dehumidifying drying case 7 airtight the communicating of feed pipe and top, pre-dehumidifying drying case 7 upward openings, the upper end design of opening has case lid 8, pre-dehumidifying drying case 7 can make the waste heat of gasification furnace and burner obtain reasonable use, can dry voluntarily to satisfying normal gasification and can obtaining bigger low-calorie standard containing the bigger fuel of amount of moisture, thereby guaranteed to enter the gasification of fuel in the body of heater, burning quality, guaranteed that cooking stove uses the fuel under the all-weather condition, has reduced the processing cost of fuel.During use, granular fuel with the biomass processing moulding, after pre-dehumidifying drying case 7 oven dry, enter in the generator through charge door, utilize the interior seed material ignition combustion of igniter of band choke, heat supply in the straight air flue of cone in generator rapidly, make the fuel around the straight air flue of the cone bottom produce gasification reaction, separate out combustible gas, on be drawn to generator top blow vent, above blow vent,, ignite and burn through naked light by burner and oxygen mix.In normal operation, fuel gasification in the generator, be to rely on generator to go up thin close down limit oxygen hole limit oxygen air feed on the sidewall on every side, guarantee the raising of the gasification quality of fuel in the generator and separated out the stable output of combustible gas, simultaneously, the direct ventilation oxygen-supplying of part by the choke under the igniter of band choke, strengthened straight air flue of cone and ash disposal auxiliary combustion equipment burning capacity on every side, with biological carbon remaining behind the fuel gasification in time burn, after-flame, this structure has well realized the efficient combination of fuel gasification and direct combustion, has improved the utilization rate of fuel.Along with take place body internal combustion material gasification layer from top to bottom, on every side the progressively extension by the center, the burning of biological carbon is followed up thereupon, the continuous external combustible gas of outputting high quality is by the burner combustion acting, until the whole after-flames of fuel.On the airway below blow vent above the generator and the burner control valve is installed, it can regulate the quantity that generator is externally exported combustible gas, to realize the size adjustment of stove and accessory kitchen range mouth combustion flame.

Claims (4)

1, a kind of Biomatter gasifying direct combustion stove, comprising chimney (10), body of heater shell (3), heating water jacket (5), burner (6), generator (4), the center fire grate (2) of the straight air flue of band cone, the igniter (1) of band choke, burner (6) is positioned at body of heater shell (3) inside of center fire grate (2) top, body of heater shell (3) is enclosed within the outside of heating water jacket (5), body of heater shell (3) is fixedlyed connected with heating water jacket (5), the top of the igniter (1) that body of heater shell (3) is inner is equipped with cylindrical shape generator (4), the design of cylindrical shape generator (4) upper end has charging aperture (11), charging aperture (11) upwards is connected to feed pipe, feed pipe passes the lateral wall of body of heater shell (3), the fixedly connected bottom dish in cylindrical shape generator (4) lower end, center fire grate (2) are installed in cylindrical shape generator (4) inside of bottom dish top; The lateral wall of generator (4) has limit oxygen hole (13), dredge close down on the quantity in limit oxygen hole (13), it is characterized in that described generator indoor design has ash disposal auxiliary combustion equipment (12), ash disposal auxiliary combustion equipment (12) comprises the back taper tubular fire grate (14) of bottom, annulus cover during back taper tubular fire grate (14) upper end is fixedly connected with, the lower end is fixedly connected with down the annulus cover, following annulus puts and connects cone barrel fire grate (15), cone barrel fire grate (15) upper end is fixedly connected with annulus cover (16), last annulus cover (16) upper end has deashing pawl (17), connect described bottom dish under the following annulus cover, described center fire grate (2) passes annulus cover (16), middle annulus cover, following annulus cover.

2, Biomatter gasifying direct combustion stove according to claim 1, it is characterized in that described burner comprises interior cover (18), overcoat (19), annulus platform (20), interior cover (18) comprises the heavy caliber tube (21) on top and the small-bore tube (24) of bottom, be distributed with passage (23) on the sidewall of the inside race, have airport (22) on the annulus platform (20), annulus platform (20) respectively with interior cover (18), the upper surface of overcoat (19) is airtight fixedly connected, annulus hole on the annulus platform (20) is corresponding with the mouth of heavy caliber tube (21), and heavy caliber tube (21) and small-bore tube (24) are an integral body; Extend neck in succession under the small-bore tube (24) has control valve on the connecting cylinder, small-bore tube (24) communicates with connecting cylinder is airtight, and control valve passes described body of heater shell (3) lateral wall, and connecting cylinder is fixedlyed connected with the described center fire grate (2) of below.

3, Biomatter gasifying direct combustion stove according to claim 2, the combustion-supporting net of last termination high temperature (9) that it is characterized in that described burner (6), the combustion-supporting net of high temperature (9) comprises horizontally disposed upper wire (25) and horizontally disposed lower net (26), upper wire (25) is fixedlyed connected with lower net (26), upper wire (25) is formed by fixedly connecting by the different annulus of diameter, lower net (26) is consistent with the structure of upper wire (25), on, following two layers of mesh circle diameter has nothing in common with each other, and connects the upper surface of described annulus platform and corresponding with the annulus hole on the annulus platform under the lower net (26).

4, Biomatter gasifying direct combustion stove according to claim 3, it is characterized in that described body of heater shell (3) exterior upper portion is with pre-dehumidifying drying case (7) and airtight with it fixedly connected, described chimney (10), body of heater shell (3), heating water jacket (5) pass pre-dehumidifying drying case (7) box cavity, airtight the communicating of pre-dehumidifying drying case (7) of described feed pipe and top, pre-dehumidifying drying case (7) upward opening, the upper end design of opening has case lid (8).

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