Biomass combustion gas hot air boiler

Abstract

The utility model discloses a biomass combustion gas hot air boiler, the inner side of a rotating seat is embedded and rotatably connected with a rotating rod, the top end of the rotating rod is provided with a rotating blade, and the edge end of the rotating rod is fixedly connected with four linkage rods at equal angles at the bottom of the rotating blade; the bottom ends of the four linkage rods are connected with connecting rods at equal intervals, and the bottom ends of the connecting rods are fixedly connected with material turning shovel plates. Heat airflow generated in the combustion process is used for driving the rotating blades to rotate, and the rotating rods are synchronously driven to rotate; according to the biomass particle combustion device, the linkage rod, the connecting rod and the material turning shovel plate can be conveniently driven to rotate on the inner side of the combustion hearth, the material turning shovel plate moves along the top face of the leakage net, biomass particles accumulated in the combustion hearth can be conveniently turned through rotation of the material turning shovel plate, and therefore the biomass particles can be combusted more thoroughly, and the combustion effect is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to hot -blast boiler technical field, concretely is a kind of gas hot -blast boiler of biomass combustion. BACKGROUND

[0002] Boiler is a kind of energy converter, it is using the heat energy released by fuel combustion or other heat energy to heat working medium water or other fluid to certain parameter equipment, boiler divides "pot" and "furnace" two parts, "pot" is the pressure component containing water and steam, carries out heating, vaporization and vapor-water separation to water, "furnace" is the place of fuel combustion or other heat release, there is combustion equipment and combustion chamber hearth and heat release flue;

[0003] However, the current hot -blast boiler in the process of actually burning biomass particles, after biomass particles enter into hot -blast boiler inside, because lack of the function of turning over processing to it, lead to biomass particles to appear the phenomenon of accumulation in hearth, further lead to biomass particles to appear the phenomenon of insufficient combustion, further affect the efficiency of actual combustion. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of gas hot -blast boiler of biomass combustion, can effectively solve the problem that the current hot -blast boiler in the process of actually burning biomass particles in the above background art, after biomass particles enter into hot -blast boiler inside, because lack of the function of turning over processing to it, lead to biomass particles to appear the phenomenon of accumulation in hearth, further lead to biomass particles to appear the phenomenon of insufficient combustion, further affect the efficiency of actual combustion.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of gas hot -blast boiler of biomass combustion, including boiler furnace body and combustion box, the bottom of the boiler furnace body is installed with combustion box, one side edge of the combustion box is connected with the inlet pipe and is penetrated, the other side edge of the combustion box is connected with the feed pipe and is penetrated, the top of the feed pipe is fixedly connected with hopper, the end of the inlet pipe is fixedly connected with the jet nozzle, the inside bottom of the combustion box is provided with ash box, the side of the combustion box is provided with ash removal port at the side of ash box, the inside edge of the combustion box is provided with support circular table at the top position of ash box, the inside of the support circular table is embeddedly connected with combustion hearth;

[0006] The bottom of the combustion hearth is provided with screen, the inside edge of the support circular table is fixedly connected with rotating seat by support rod, the inside of the rotating seat is embeddedly rotatably connected with rotating rod, the top of the rotating rod is provided with rotating blade, the edge of the rotating rod is fixedly connected with four linkage rods at the bottom position of rotating blade, the bottom of four linkage rods is equidistantly connected with connecting rod, the bottom of the connecting rod is fixedly connected with material turning shovel plate.

[0007] Preferably, the air inlet end of the air inlet pipe is connected with the air outlet end of the external air supply device, the biomass particles enter the feeding pipe through the hopper, and the discharge end of the feeding pipe extends to the inside of the combustion furnace.

[0008] Preferably, the bottom end of the rotating rod is embedded in the inside of the rotating seat through the rotating seat, the air outlet direction of the air jet nozzle is opposite to the rotating blade, and the linkage rod is synchronously driven to rotate through the rotating rod.

[0009] Preferably, the bottom of the material turning shovel plate is provided as an inclined surface, and the bottom of the material turning shovel plate moves along the top surface of the screen.

[0010] Preferably, the top outside of the feeding pipe is fixedly sleeved with an external heating sleeve, the top side of the external heating sleeve is penetratively connected with a top air pipe, the bottom side of the external heating sleeve is penetratively connected with a bottom air pipe, and the edge end of the feeding pipe is uniformly provided with heat-conducting metal strips at the position inside the external heating sleeve.

[0011] Preferably, the top air pipe and the bottom air pipe are penetratively connected to the inside of the boiler body at the end away from the external heating sleeve, and the internal cavity of the external heating sleeve and the internal cavity of the boiler body are communicated through the top air pipe and the bottom air pipe.

[0012] Compared with the prior art, the utility model has the advantages that the structure is scientific and reasonable, and the use is safe and convenient.

[0013] 1、Through the rotating seat, the rotating rod, the rotating blade, the linkage rod, the connecting rod and the material turning shovel plate arranged in the inside of the combustion furnace, when the biomass particles in the inside of the combustion furnace are combusted, the heat flow generated in the combustion process is utilized to drive the rotating blade to rotate, and the rotating rod is synchronously driven to rotate, so as to conveniently drive the linkage rod, the connecting rod and the material turning shovel plate to rotate in the inside of the combustion furnace, and the material turning shovel plate moves along the top surface of the screen, so as to conveniently turn the biomass particles accumulated in the combustion furnace through the rotation of the material turning shovel plate, so that the biomass particles are combusted more completely, and the combustion effect is ensured.

[0014] In addition, when the air inlet pipe is used to inhale air, the air jet nozzle at the end thereof is opposite to the rotating blade, so as to conveniently further drive the rotating blade to rotate, thereby ensuring the turning effect of the subsequent material turning shovel plate on the biomass particles.

[0015] 2. By installing an external heating sleeve on the outside of the feed pipe, and connecting it to the top and bottom gas pipes on the side of the external heating sleeve, it is easy to connect the external heating sleeve to the inner cavity of the boiler body through the top and bottom gas pipes. This facilitates the rapid transfer of heat from the boiler body to the external heating sleeve. Combined with the heat-conducting metal strip on the side of the feed pipe, it is easy to quickly transfer heat to the inside of the feed pipe. This achieves rapid heating of the biomass pellets entering the feed pipe, thereby effectively removing the internal moisture of the biomass pellets before combustion, thus ensuring the completeness of subsequent combustion of the biomass pellets. Attached Figure Description

[0016] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0017] In the attached diagram:

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the combustion furnace of this utility model;

[0020] Figure 3 This is a schematic diagram of the installation structure of the rotating blade of this utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the external heating sleeve of this utility model;

[0022] The following are the labels in the diagram: 1. Boiler body; 2. Combustion box; 3. Air inlet pipe; 4. Feed pipe; 5. Hopper; 6. Ash collection box; 7. Ash cleaning port; 8. Combustion furnace; 9. Air nozzle; 10. Strainer; 11. Rotating seat; 12. Rotating rod; 13. Rotating blade; 14. Linkage rod; 15. Connecting rod; 16. Tilting shovel; 17. Support truncated cone; 18. External heating sleeve; 19. Top air pipe; 20. Bottom air pipe; 21. Heat-conducting metal strip. Detailed Implementation

[0023] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0024] Example: Figures 1-4As shown, this utility model provides a technical solution: a biomass combustion gas-fired hot air boiler, including a boiler body 1 and a combustion chamber 2. The combustion chamber 2 is installed at the bottom of the boiler body 1. An air inlet pipe 3 is connected through one side of the combustion chamber 2, and a feed pipe 4 is connected through the other side of the combustion chamber 2. A hopper 5 is fixedly connected to the top of the feed pipe 4, and a jet nozzle 9 is fixedly connected to the end of the air inlet pipe 3. An ash collection box 6 is provided at the bottom inner side of the combustion chamber 2, and the edge of the combustion chamber 2 corresponds to the ash collection box 6. A cleaning port 7 is provided on one side edge. A supporting frustum 17 is provided on the inner side edge of the combustion box 2 at the top of the ash receiving box 6. The combustion furnace 8 is embedded and connected to the inner side of the supporting frustum 17. The air inlet end of the air inlet pipe 3 is connected to the air outlet end of the external air supply equipment. Biomass pellets enter the feed pipe 4 through the hopper 5. The discharge end of the feed pipe 4 extends to the inner side of the combustion furnace 8, which facilitates the connection of the air inlet pipe 3 and also facilitates the transport of biomass pellets to the inner side of the combustion furnace 8 through the feed pipe 4.

[0025] A mesh screen 10 is installed at the bottom of the combustion chamber 8. A rotating seat 11 is fixedly connected to the inner side of the supporting frustum 17 via a support rod. A rotating rod 12 is rotatably connected to the inner side of the rotating seat 11. A rotating blade 13 is installed at the top of the rotating rod 12. Four linkage rods 14 are fixedly connected at equal angles at the bottom of the rotating blade 13. The bottom of the rotating rod 12 is rotatably connected to the inner side of the rotating seat 11 via a rotating base. The exhaust direction of the jet nozzle 9 is directly opposite the rotating blade 13. The linkage rods 14 are synchronously driven to rotate through the rotating rod 12. This drives the rotating blade 13 to rotate. The rotation of the rotating blade 13 facilitates the synchronous rotation of the rotating rod 12 and the linkage rod 14 inside the combustion furnace 8. The bottom ends of the four linkage rods 14 are equidistantly connected to the connecting rods 15. The bottom ends of the connecting rods 15 are fixedly connected to the turning shovel 16. The bottom of the turning shovel 16 is set as an inclined surface, and the bottom of the turning shovel 16 moves along the top surface of the mesh 10. This facilitates the turning of the turning shovel 16 to turn over the biomass pellets accumulated in the combustion furnace 8, thereby making the biomass pellets burn more thoroughly.

[0026] An external heating sleeve 18 is fixedly sleeved on the top outer side of the feed pipe 4. A top gas pipe 19 is connected through one side of the top of the external heating sleeve 18, and a bottom gas pipe 20 is connected through one side of the bottom of the external heating sleeve 18. The ends of the top gas pipe 19 and the bottom gas pipe 20 away from the external heating sleeve 18 are both connected through the inner side of the boiler body 1. The inner cavity of the external heating sleeve 18 is connected to the inner cavity of the boiler body 1 through the top gas pipe 19 and the bottom gas pipe 20. The top gas pipe 19 and the bottom gas pipe 20 facilitate the connection between the external heating sleeve 18 and the inner cavity of the boiler body 1, thereby quickly introducing the heat in the boiler body 1 into the external heating sleeve 18. Heat-conducting metal strips 21 are evenly arranged at the edge of the feed pipe 4 located inside the external heating sleeve 18.

[0027] The working principle and usage process of this utility model: In the actual application of this biomass combustion gas hot air boiler, firstly, the air inlet pipe 3 is connected to the external air supply equipment, and at the same time, the gas pipeline is extended from the back of the combustion box 2. Then, the biomass fuel is transported to the feed pipe 4 through the hopper 5, and the biomass fuel is transported to the combustion furnace 8 through the feed pipe 4. The gas transported by the gas pipeline is ignited in the combustion furnace 8, and the biomass fuel in the combustion furnace 8 is also ignited at the same time.

[0028] During the process of biomass fuel being transported through the feed pipe 4, the external heating sleeve 18 is connected to the inner cavity of the boiler body 1 through the top gas pipe 19 and the bottom gas pipe 20, so that the heat in the boiler body 1 can be quickly introduced into the external heating sleeve 18. Combined with the heat-conducting metal strip 21 on the side of the feed pipe 4, the heat can be quickly transferred to the inside of the feed pipe 4, thereby realizing the rapid heating treatment of the biomass pellets entering the feed pipe 4, so that the internal moisture of the biomass pellets can be effectively removed before combustion, thus ensuring the full combustion of the biomass pellets.

[0029] During the combustion of biomass pellets in the combustion furnace 8, when air is introduced into the air intake pipe 3, the nozzle 9 at its end faces the rotating blade 13, so as to facilitate the rotation of the rotating blade 13. At the same time, when the biomass pellets are burning inside the combustion furnace 8, the heat airflow generated during the combustion process is used to drive the rotating blade 13 to rotate, and synchronously drive the rotating rod 12 to rotate, so as to facilitate the rotation of the linkage rod 14, the connecting rod 15 and the tipping shovel 16 inside the combustion furnace 8.

[0030] The turning plate 16 moves along the top surface of the mesh 10, so as to facilitate the turning of the biomass pellets accumulated in the combustion furnace 8 by rotating the turning plate 16, thereby making the biomass pellets burn more thoroughly and ensuring the combustion effect.

[0031] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A biomass-fired hot flue gas boiler, comprising a boiler body (1) and a combustion chamber (2), characterized in that: The bottom of the boiler furnace (1) is provided with a combustion box (2), one side of the combustion box (2) is provided with an air inlet pipe (3), the other side of the combustion box (2) is provided with a feeding pipe (4), the top of the feeding pipe (4) is fixedly connected with a hopper (5), the end of the air inlet pipe (3) is fixedly connected with a jet nozzle (9), the inner bottom of the combustion box (2) is provided with an ash box (6), the side of the combustion box (2) is provided with an ash removal port (7) corresponding to the ash box (6), the inner side of the combustion box (2) is provided with a supporting circular table (17) at the top of the ash box (6), and the inner side of the supporting circular table (17) is embeddedly connected with a combustion furnace (8). The bottom of the combustion furnace (8) is provided with a mesh (10), the inner side of the supporting circular table (17) is fixedly connected with a rotating seat (11) through a supporting rod, the inner side of the rotating seat (11) is rotatably connected with a rotating rod (12), the top of the rotating rod (12) is provided with a rotating blade (13), the side of the rotating rod (12) is fixedly connected with four linkage rods (14) at equal angles at the bottom of the rotating blade (13), the bottom of the four linkage rods (14) is connected with a connecting rod (15) at equal distances, and the bottom of the connecting rod (15) is fixedly connected with a material turning shovel plate (16).

2. A biomass-fired hot flue gas boiler according to claim 1, characterized in that The air inlet end of the air inlet pipe (3) is connected with the air outlet end of an external air supply device, biomass particles enter the feeding pipe (4) through the hopper (5), and the discharge end of the feeding pipe (4) extends to the inner side of the combustion furnace (8).

3. A biomass combustion gas-fired hot-air boiler according to claim 1, characterized in that: The bottom of the rotating rod (12) is rotatably connected to the inner side of the rotating seat (11) through a rotating seat, the air outlet direction of the jet nozzle (9) is opposite to the rotating blade (13), and the linkage rods (14) are synchronously driven to rotate through the rotating rod (12).

4. A biomass-fired hot flue gas boiler according to claim 1, characterized in that: The bottom of the material turning shovel plate (16) is provided as an inclined surface, and the bottom of the material turning shovel plate (16) moves along the top surface of the mesh (10).

5. A biomass fired hot flue gas boiler according to claim 1, characterized in that: The top outer side of the feeding pipe (4) is fixedly sleeved with an external heating sleeve (18), one side of the top of the external heating sleeve (18) is connected with a top air pipe (19), one side of the bottom of the external heating sleeve (18) is connected with a bottom air pipe (20), and the side of the feeding pipe (4) is uniformly provided with heat-conducting metal strips (21) at the inner side of the external heating sleeve (18).

6. A biomass-fired hot gas fired boiler according to claim 5, characterized in that: The ends, away from the external heating sleeve (18), of the top air pipe (19) and the bottom air pipe (20) are both connected to the inner side of the boiler furnace (1), and the inner cavity of the external heating sleeve (18) is communicated with the inner cavity of the boiler furnace (1) through the top air pipe (19) and the bottom air pipe (20).

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