CN219550504U - Biomass gasification gas boiler - Google Patents

Abstract

The utility model discloses a biomass gasification gas boiler, which comprises a bottom furnace, wherein the bottom furnace top end is fixedly connected with a top furnace, a grid is fixed in the bottom furnace top end, an igniter is fixed on the side wall of the bottom furnace and above the grid, a blower is fixed on one side of the side wall of the bottom furnace bottom end, which is far away from the igniter, the bottom wall of the bottom furnace is of an inclined design, the bottom furnace bottom end is fixedly provided with a dust removing structure, one side of the bottom end of the dust removing structure is provided with a driving structure, supporting feet are fixed at four corners of the bottom furnace bottom end, and a feeding port is formed in the middle of the top furnace top end. According to the utility model, the bottom furnace, the top furnace, the grating, the ash removing structure and the driving structure are arranged, the furnace ash generated after the biomass fuel on the surface of the grating is combusted can fall into the ash collecting groove, and the auger in the ash collecting groove is driven by the driving structure to rotate, so that the furnace ash can be directly discharged from the interior of the ash collecting groove, and therefore, manual ash removing is not needed, and the boiler is more convenient to use.

Description

Biomass gasification gas boiler

Technical Field

The utility model relates to the technical field of biomass gasifiers, in particular to a biomass gasification gas boiler.

Background

The biomass gasifying gas boiler is one kind of equipment for heating biomass in oxidation area to produce carbon dioxide, reducing carbon dioxide in reduction area with carbon and water vapor to produce molecules of inflammable gas, including CO, methane, hydrogen, etc., and high temperature cracking and drying in fuel preparing area to obtain relatively high fire power.

However, when the existing biomass gasification gas boiler is used, the furnace door at the bottom of the furnace body is still required to be opened manually to draw out the furnace ash generated by burning the biomass fuel, and due to the high temperature of the furnace body, the furnace has a certain danger and the labor intensity is increased. Secondly, when carbon dioxide is subjected to reduction reaction with carbon and water vapor in the reduction zone, the vapor only enters the furnace body through the vapor inlet pipe, so that the contact area of the vapor and the carbon dioxide is small, the reaction is insufficient in a short time, and the utilization rate of the boiler can be influenced.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a biomass gasification gas boiler.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a biomass gasification gas boiler, includes the bottom furnace, bottom furnace roof end fixedly connected with top furnace, bottom furnace roof end inside is fixed with the grid, bottom furnace side wall just is located the grid top and is fixed with the some firearm, bottom furnace bottom end lateral wall just keeps away from some firearm one side and is fixed with the air-blower, the bottom furnace diapire is the slope design, and bottom furnace bottom end is fixed with the deashing structure, deashing structure bottom one side is equipped with driving structure, four bight departments of bottom furnace bottom all are fixed with the supporting legs, top furnace roof end middle part has seted up the pan feeding mouth, top furnace side wall is fixed with the blast pipe, top furnace inside is fixed with the ring pipe, and the equidistance of ring pipe inner wall leaves and is equipped with a plurality of steam outlet.

Further, the top end of the bottom furnace and the bottom end of the top furnace are both fixed with connecting plates, and the top end of the bottom furnace is fixedly connected with the top furnace through the connecting plates. Therefore, the top furnace and the bottom furnace can be split, and the inner walls of the top furnace and the bottom furnace are convenient to clean.

Further, one side of the bottom furnace is rotatably connected with a furnace door through a hinge. The combustion condition inside the bottom furnace can be observed by opening the furnace door.

Further, a top cover is covered on the top end of the feeding port. The biomass fuel can be added from the feed inlet by opening the top cover.

Further, one side of the annular pipe is fixedly connected with a steam inlet pipe, one end of the steam inlet pipe, which is far away from the annular pipe, penetrates through the side wall of the top furnace to extend to the outside of the top furnace, and one end of the steam inlet pipe, which is located outside the top furnace, is fixedly connected with a valve. Steam can enter the annular pipe through the steam inlet pipe, and then is uniformly discharged from a plurality of steam outlet holes on the inner wall of the annular pipe, so that carbon dioxide in the boiler can fully react with the steam in a short time, and the efficiency of the boiler is improved.

Further, the ash removal structure comprises an ash collecting groove fixed at the bottom end of the bottom furnace, the inner cavity of the ash collecting groove is round, one end of the ash collecting groove is of an open design, the bottom end of the bottom furnace is communicated with the inside of the ash collecting groove, and an auger is rotationally connected inside the ash collecting groove. The ashes of the biomass fuel after combustion can pass through the grids and fall into the ash collecting groove, and the ashes in the ash collecting groove can be pushed out through the rotation of the hinge.

Further, the driving structure comprises a motor fixed between two supporting legs, a driving sprocket is fixed on the surface of a driving shaft of the motor, a driven sprocket is fixedly connected with a central shaft of the auger through the side wall of the ash collecting groove, and a chain is sleeved on the surfaces of the driven sprocket and the driving sprocket. The motor can drive the auger to rotate through the transmission of the driving sprocket and the driven sprocket.

The utility model has the beneficial effects that:

1. when the boiler is used, the bottom furnace, the top furnace, the grating, the ash removing structure and the driving structure are arranged, the furnace ash generated after the biomass fuel on the surface of the grating is combusted can fall into the ash collecting groove, and the auger in the ash collecting groove is driven by the driving structure to rotate, so that the furnace ash can be directly discharged from the interior of the ash collecting groove, manual ash removing is not needed, and the boiler is more convenient to use.

2. When the boiler is used, the annular pipe, the steam outlets and the steam inlet pipe are arranged, the annular pipe is arranged in the top furnace, and the steam outlets are equidistantly distributed on the inner wall of the annular pipe, so that steam can fully react with carbon dioxide generated by combustion, and the utilization rate of the boiler is improved.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a front cross-sectional view of the present utility model;

fig. 3 is a top view of the annular tube of the present utility model.

Legend description:

1. a bottom furnace; 2. pushing the furnace; 3. a grille; 4. an igniter; 5. a blower; 6. an ash removal structure; 61. an ash collecting groove; 62. an auger; 7. a driving structure; 71. a motor; 72. a drive sprocket; 73. driven sprocket; 74. a chain; 8. supporting feet; 9. a connecting plate; 10. a furnace door; 11. a feed inlet; 12. a top cover; 13. an exhaust pipe; 14. an annular tube; 15. a steam outlet hole; 16. a steam inlet pipe; 17. and (3) a valve.

Detailed Description

As shown in fig. 1-3, relate to a biomass gasification gas boiler, including end stove 1, end stove 1 top fixedly connected with top stove 2, end stove 1 top inside is fixed with grid 3, end stove 1 lateral wall just is located grid 3 top and is fixed with some firearm 4, end stove 1 bottom lateral wall just keeps away from some firearm 4 side and is fixed with air-blower 5, end stove 1 diapire is the slope design, and end stove 1 bottom end mounting has ash removal structure 6, ash removal structure 6 bottom one side is equipped with driving structure 7, end stove 1 bottom four angles department all is fixed with supporting legs 8, top stove 2 top middle part has seted up pan feeding mouth 11, top stove 2 lateral wall is fixed with blast pipe 13, top stove 2 inside is fixed with annular pipe 14, and annular pipe 14 inner wall equidistance leaves and is equipped with a plurality of steam outlet holes 15.

As shown in fig. 1 and 2, the top end of the bottom furnace 1 and the bottom end of the top furnace 2 are both fixed with a connecting plate 9, and the top end of the bottom furnace 1 and the top furnace 2 are fixedly connected through the connecting plate 9. One side of the bottom furnace 1 is rotatably connected with a furnace door 10 through a hinge. So that the door 10 can be opened to observe the combustion of fuel inside the bottom furnace 1. The top end of the feed inlet 11 is covered with a top cover 12. Biomass fuel can be added into the furnace body from the feed inlet 11 by opening the top cover 12.

As shown in fig. 2 and 3, one side of the annular tube 14 is fixedly connected with a steam inlet tube 16, one end of the steam inlet tube 16 away from the annular tube 14 penetrates through the side wall of the top furnace 2 to extend to the outside of the top furnace 2, and one end of the steam inlet tube 16 located outside the top furnace 2 is fixedly connected with a valve 17. Steam can enter the annular pipe 14 from the steam inlet pipe 16 and finally is discharged from the steam outlet holes 15 on the side wall of the annular pipe 14, so that the steam can be uniformly and respectively arranged in the furnace body, and carbon dioxide can fully react with the steam in a short time.

As shown in fig. 1 and 2, the ash cleaning structure 6 comprises an ash collecting groove 61 fixed at the bottom end of the bottom furnace 1, the inner cavity of the ash collecting groove 61 is circular, one end of the ash collecting groove 61 is of an open design, the bottom end of the bottom furnace 1 is communicated with the inside of the ash collecting groove 61, and an auger 62 is rotatably connected in the inside of the ash collecting groove 61. The driving structure 7 comprises a motor 71 fixed between two supporting legs 8, a driving sprocket 72 is fixed on the surface of a driving shaft of the motor 71, a driven sprocket 73 is fixedly connected with a central shaft of the auger 62 through the side wall of the ash collecting groove 61, and a chain 74 is sleeved on the surfaces of the driven sprocket 73 and the driving sprocket 72. After the driving sprocket 72 is driven to rotate by the motor 71, the driving sprocket 72 drives the driven sprocket 73 to rotate by the chain 74, and finally the auger 62 rotates inside the ash collecting tank 61, so that ashes falling in the ash collecting tank 61 are discharged. Since the motor 71 is not in contact with the bottom furnace 1 and the dust collection tank 61, and the surface of the motor 71 is covered with a heat shield, the motor 71 is not affected by high temperature.

When in use, the utility model is characterized in that: the top cover 12 is opened, biomass fuel is added from the feed inlet 11, the fuel stays on the surface of the grid 3, at the moment, the fuel is ignited by the igniter 4, external air can be blown into the bottom furnace 1 through the air blower 5, so that the fuel is combusted, and meanwhile, steam is introduced from the steam inlet pipe 16, so that the steam reacts with carbon dioxide generated by combustion to generate combustible gases such as carbon monoxide, methane, hydrogen and the like, and the combustible gases are directly discharged from the exhaust pipe 13 for use. The ashes generated by the combustion of the biomass fuel fall into the ash collecting tank 61, and at this time, the driving motor 71 drives the auger 62 to rotate, so that the ashes are discharged from the opening end of the ash collecting tank 61.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (7)

1. A biomass gasification gas boiler, which is characterized in that: including end stove (1), end stove (1) top fixedly connected with top stove (2), end stove (1) top inside is fixed with grid (3), end stove (1) lateral wall just is located grid (3) top and is fixed with some firearm (4), end stove (1) bottom lateral wall just keeps away from some firearm (4) one side and is fixed with air-blower (5), end stove (1) diapire is the slope design, and end stove (1) bottom fixing has ash removal structure (6), ash removal structure (6) bottom one side is equipped with driving structure (7), end stove (1) bottom four angles department all is fixed with supporting legs (8), feed inlet (11) have been seted up in top stove (2) top middle part, end stove (2) lateral wall is fixed with blast pipe (13), end stove (2) inside is fixed with annular pipe (14), and annular pipe (14) inner wall equidistance leaves and is equipped with a plurality of steam outlet holes (15).

2. A biomass gasification gas boiler according to claim 1, wherein: the top end of the bottom furnace (1) and the bottom end of the top furnace (2) are both fixed with connecting plates (9), and the top end of the bottom furnace (1) and the top furnace (2) are fixedly connected through the connecting plates (9).

3. A biomass gasification gas boiler according to claim 1, wherein: one side of the bottom furnace (1) is rotatably connected with a furnace door (10) through a hinge.

4. A biomass gasification gas boiler according to claim 1, wherein: the top end of the feed inlet (11) is covered with a top cover (12).

5. A biomass gasification gas boiler according to claim 1, wherein: one side of the annular pipe (14) is fixedly connected with a steam inlet pipe (16), one end, far away from the annular pipe (14), of the steam inlet pipe (16) penetrates through the side wall of the top furnace (2) to extend to the outside of the top furnace (2), and one end, located outside the top furnace (2), of the steam inlet pipe (16) is fixedly connected with a valve (17).

6. A biomass gasification gas boiler according to claim 1, wherein: the ash removal structure (6) comprises an ash collection groove (61) fixed at the bottom end of the bottom furnace (1), the inner cavity of the ash collection groove (61) is round, one end of the ash collection groove (61) is of an open design, the bottom end of the bottom furnace (1) is communicated with the inside of the ash collection groove (61), and an auger (62) is rotationally connected inside the ash collection groove (61).

7. A biomass gasification gas boiler according to claim 6, wherein: the driving structure (7) comprises a motor (71) fixed between two supporting legs (8), a driving sprocket (72) is fixed on the surface of a driving shaft of the motor (71), a driven sprocket (73) is fixedly connected with the central shaft of the auger (62) through the side wall of the ash collecting groove (61), and a chain (74) is sleeved on the surface of the driven sprocket (73) and the surface of the driving sprocket (72) together.