Low-ash biomass particle gasification combustion air heating furnace

Abstract

The utility model relates to the technical field of biomass heating furnaces, and discloses a low-ash biomass particle gasification combustion air heating furnace which comprises an equipment shell, a material frame fixedly connected to the bottom of a feeding port, a combustion chamber assembly fixedly connected to the left side of a partition plate, and a reverse auger installed on the top of the right side of the partition plate. The right side of the bottom of the reverse auger is fixedly connected with a transfer bin, and the bottom of the transfer bin is fixedly connected with a forward auger. By arranging a reverse auger, a transfer bin and a forward auger, a first motor drives a first screw rod to rotate, so that materials are pushed to move rightwards and enter the inner side of a second conveying frame through the transfer bin under the action of gravity, and a second motor is started to drive a second screw rod to rotate, so that the materials are pushed to move leftwards; and the materials are stacked on the surface of the supporting plate through the feeding opening, so that the materials are combusted in the combustion chamber main body, anti-backfire discharging is achieved, and the situation of fire during power failure is prevented through blocking.

Description

Technical Field

[0001] This utility model relates to the field of biomass heating stove technology, and more specifically, to a low-ash biomass pellet gasification combustion air heater. Background Technology

[0002] A biomass pellet combustion stove is a device that generates heat by burning biomass pellets (such as wood pellets, straw pellets, etc.). It is commonly used to provide heating or hot water and is widely used in residential, commercial, and industrial environments. The stove works by delivering hot air generated by combustion through a heat exchange structure into the room, thus achieving a heating effect.

[0003] Existing biomass pellet combustion stoves typically feed fuel from the top of the combustion chamber, making them prone to backfire. This occurs when the flames or hot air generated during combustion flow back to the air inlet of the combustion chamber or the fuel supply system. Furthermore, incomplete combustion in existing biomass pellet stoves results in unburned fuel turning into soot, preventing the full release of heat. This not only wastes fuel but also reduces heating efficiency, increases energy consumption, and causes soot to accumulate on components such as the combustion chamber, chimney, and heat exchanger, increasing cleaning and maintenance costs. Utility Model Content

[0004] In order to overcome the shortcomings of the existing technology, this utility model provides a low-ash biomass pellet gasification combustion air-heated stove.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a low-ash biomass pellet gasification combustion air-heated furnace, comprising a housing, an ash collection drawer installed at the bottom of the inner side of the housing, an air guide assembly installed at the top of the left side of the housing, a feeding port opened on the right side of the top of the housing, a material frame fixedly connected to the bottom of the feeding port, a partition fixedly connected to the middle of the inner side of the housing, a combustion chamber assembly installed on the left side of the partition, a reverse auger installed at the top of the right side of the partition, and a transfer chamber fixedly connected to the right side of the bottom of the reverse auger. The bottom of the transfer chamber is fixedly connected to a forward auger. The bottom right side of the equipment housing is fixedly connected to an air inlet pipe and an exhaust pipe. The combustion chamber assembly includes a combustion chamber body fixedly connected to the left side of the partition. A conical frame is fixedly connected to the top of the combustion chamber body. A feed inlet is opened in the middle of the right side of the combustion chamber body. An air inlet is opened at the bottom right side of the combustion chamber body. A support plate is fixedly connected to the inner side of the combustion chamber body. An ash discharge port is opened in the middle of the left side of the combustion chamber body. Gasification holes are opened on the top of the outer side of the combustion chamber body and the top of the outer side of the conical frame.

[0006] As a preferred technical solution of this utility model, the reverse auger includes a first transmission frame fixedly connected to the side of the partition, a first motor fixedly connected to the right side of the first transmission frame, a first spiral rod fixedly connected to the output shaft of the first motor, a feed groove opened on the left side of the top of the first transmission frame, and a first connecting hole opened on the right side of the bottom of the first transmission frame.

[0007] As a preferred technical solution of this utility model, the forward auger includes a second transmission frame fixedly connected to the side of the partition, a second motor fixedly connected to the right side of the second transmission frame, a second spiral rod fixedly connected to the output shaft of the second motor, and a second connecting hole opened on the right side of the top of the second transmission frame.

[0008] As a preferred embodiment of this utility model, the feed trough is fixedly connected to the bottom of the material frame, and the first connecting hole and the second connecting hole are connected through a transfer chamber.

[0009] As a preferred embodiment of this utility model, a fixing block is fixedly connected to the left side of the combustion chamber body, a rotating shaft is movably sleeved on the inner side of the fixing block, a connecting block is fixedly connected to the bottom of the rotating shaft, and a movable plate is fixedly connected to the bottom of the connecting block.

[0010] In a preferred embodiment of this utility model, the air inlet pipe passes through the partition and is connected to the air inlet, and the second transmission frame passes through the partition and is connected to the feed inlet.

[0011] As a preferred technical solution of this utility model, the air guide assembly includes an air guide plate and a connecting strip. A first cylindrical block is fixedly connected to both the front and back of the air guide plate. A connecting plate is fixedly sleeved on the outer side of the first cylindrical block. A second cylindrical block is fixedly connected to the surface of the connecting strip near the air guide plate. The second cylindrical block is movably sleeved with the end of the connecting plate away from the first cylindrical block.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1. This utility model incorporates a reverse auger, a transfer chamber, and a forward auger. Material is added to the material frame through the feeding port. Under the influence of gravity, the material enters the first motor through the feeding chute. The first motor drives the first screw to rotate, thus pushing the material to the right. Under the influence of gravity, the material enters the inner side of the second transfer frame through the transfer chamber. The second motor is then activated, driving the second screw to rotate, thus pushing the material to the left. The material accumulates on the surface of the support plate through the feeding port, allowing it to burn inside the combustion chamber. This design achieves backfire prevention during feeding and prevents fires in the event of a power outage by blocking the feed.

[0014] 2. This utility model is equipped with a combustion chamber assembly. Air is introduced into the combustion chamber assembly through the air inlet pipe, and the gasification hole can draw in gas, so that the gas produced by the combustion of materials can be gasified twice. This can realize the secondary combustion of combustible gas in the combustion chamber, achieving the effect of intense combustion and gasification. It also achieves the effect of low dust in the exhaust gas after combustion, thus being more environmentally friendly and energy-saving.

[0015] 3. This utility model, by providing an air guide assembly, allows the first cylindrical block to drive the connecting plate to swing when the direction of the air guide plate is adjusted. This enables the connecting strip to adjust the direction of each air guide plate at the same angle, providing users with a better user experience. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the equipment housing of this utility model;

[0018] Figure 3 This is a schematic diagram of the combustion chamber assembly structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the movable plate structure of this utility model;

[0020] Figure 5 This is a schematic diagram of the air guide component structure of this utility model;

[0021] Figure 6 This is a schematic diagram of the second cylindrical block structure of this utility model;

[0022] Figure 7 This is a schematic diagram of the reverse auger structure of this utility model;

[0023] Figure 8 This is a schematic diagram of the forward auger structure of this utility model.

[0024] In the diagram: 1. Equipment casing; 101. Ash collection drawer; 102. Feeding port; 103. Material frame; 104. Partition plate; 105. Reverse auger; 151. First transmission frame; 152. First motor; 153. First screw rod; 154. Feed chute; 155. First connecting hole; 106. Transfer bin; 107. Forward auger; 171. Second transmission frame; 172. Second motor; 173. Second screw rod; 174. Second connecting hole; 108. 1. Inlet pipe; 109. Exhaust pipe; 2. Air guide assembly; 201. Air guide plate; 202. First cylindrical block; 204. Connecting plate; 205. Connecting strip; 251. Second cylindrical block; 3. Combustion chamber assembly; 31. Fixing block; 32. Rotating shaft; 33. Connecting block; 34. Movable plate; 301. Combustion chamber body; 302. Conical frame; 303. Gasification hole; 304. Feed inlet; 305. Air inlet; 306. Support plate; 307. Ash discharge port. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] like Figures 1 to 8As shown, this utility model provides a low-ash biomass pellet gasification combustion air-heated stove, including a housing 1. An ash collection drawer 101 is installed at the bottom of the inner side of the housing 1. An air guide assembly 2 is installed at the top left side of the housing 1. A feeding port 102 is opened on the right side of the top of the housing 1. A material frame 103 is fixedly connected to the bottom of the feeding port 102. A partition 104 is fixedly connected to the middle of the inner side of the housing 1. A combustion chamber assembly 3 is installed on the left side of the partition 104. A reverse auger 105 is installed at the top right side of the partition 104. A transfer chamber 106 is fixedly connected to the right side of the bottom of the auger 105. A forward auger 107 is fixedly connected to the bottom of the transfer chamber 106. An air inlet pipe 108 and an exhaust pipe 109 are fixedly connected to the bottom right side of the equipment housing 1. The combustion chamber assembly 3 includes a combustion chamber body 301 fixedly connected to the left side of the partition 104. A conical frame 302 is fixedly connected to the top of the combustion chamber body 301. A feed inlet 304 is opened in the middle of the right side of the combustion chamber body 301. An air inlet 305 is opened at the bottom right side of the combustion chamber body 301. A support plate 306 is fixedly connected to the inner side of the combustion chamber body 301. An ash discharge port 307 is opened in the middle of the left side of the combustion chamber body 301. Gasification holes 303 are opened on the top of the outer side of the combustion chamber body 301 and the top of the outer side of the conical frame 302. The air inlet pipe 108 passes through the partition 104 and is connected to the air inlet 305. The second transmission frame 171 passes through the partition 104 and is connected to the feed inlet 304. The reverse auger 105 includes a first transmission frame 151 fixedly connected to the side of the partition 104. A first motor 15 is fixedly connected to the right side of the first transmission frame 151. 2. The output shaft of the first motor 152 is fixedly connected to the first screw rod 153. The top left side of the first transmission frame 151 is provided with a feed chute 154, and the bottom right side of the first transmission frame 151 is provided with a first connecting hole 155. The forward auger 107 includes a second transmission frame 171 fixedly connected to the side of the partition 104. The right side of the second transmission frame 171 is fixedly connected to the second motor 172. The output shaft of the second motor 172 is fixedly connected to the second screw rod 173. The top right side of the second transmission frame 171 is provided with a second connecting hole 174.

[0027] In this embodiment, material is added to the inside of the material frame 103 through the feeding port 102. Under the action of gravity, the material enters the inside of the first motor 152 through the feeding trough 154. The first motor 152 drives the first screw rod 153 to rotate, thereby pushing the material to the right. Under the action of gravity, the material enters the inside of the second transmission frame 171 through the transfer chamber 106. The second motor 172 is started to drive the second screw rod 173 to rotate, thereby pushing the material to the left. The material accumulates on the surface of the support plate 306 through the feeding port 304, so that the material burns inside the combustion chamber body 301. This achieves backfire prevention feeding and prevents fire in case of power failure by blocking.

[0028] Air is introduced into the combustion chamber assembly 3 through the air inlet pipe 108, and the vaporization hole 303 can draw in gas, so that the gas produced by the combustion of materials can be vaporized twice. This can realize the secondary combustion of combustible gas in the combustion chamber, achieving the effect of intense combustion and vaporization: achieving the effect of low dust in the exhaust gas after combustion, thus being more environmentally friendly and energy-saving.

[0029] The ash produced by the combustion of materials is discharged through the ash discharge port 307, and finally the ash falls into the ash collection drawer 101 for collection under the action of gravity.

[0030] The feed trough 154 is fixedly connected to the bottom of the material frame 103, and the first connecting hole 155 and the second connecting hole 174 are connected through the transfer chamber 106.

[0031] The bottom of the material frame 103 is a conical structure. When the first screw rod 153 drives the material to move to the right, the material inside the material frame 103 will automatically enter the interior of the first transmission frame 151 under the action of gravity.

[0032] The combustion chamber body 301 is fixedly connected to a fixing block 31 on the left side, a rotating shaft 32 is movably sleeved on the inner side of the fixing block 31, a connecting block 33 is fixedly connected to the bottom of the rotating shaft 32, and a movable plate 34 is fixedly connected to the bottom of the connecting block 33.

[0033] The movable plate 34 provides a certain degree of sealing for the ash discharge port 307, and the material entering the combustion chamber body 301 from the second transmission frame 171 can push the ash and slag out of the ash discharge port 307. The movable plate 34 is a movable structure, which allows the ash and slag to be discharged smoothly.

[0034] The air guide assembly 2 includes an air guide plate 201 and a connecting strip 205. A first cylindrical block 202 is fixedly connected to both the front and back of the air guide plate 201. A connecting plate 204 is fixedly sleeved on the outer side of the first cylindrical block 202. A second cylindrical block 251 is fixedly connected to the surface of the connecting strip 205 near the air guide plate 201. The second cylindrical block 251 is movably sleeved with the end of the connecting plate 204 away from the first cylindrical block 202.

[0035] When the direction of the air guide plate 201 is adjusted, the first cylindrical block 202 drives the connecting plate 204 to swing, so that the direction of each air guide plate 201 can be adjusted at the same angle through the connecting strip 205, bringing a better user experience.

[0036] Working principle and usage process of this utility model:

[0037] Material is added into the material frame 103 through the feeding port 102. Under the action of gravity, the material enters the first motor 152 through the feeding chute 154. The first motor 152 drives the first screw rod 153 to rotate, thereby pushing the material to the right. Under the action of gravity, it enters the inner side of the second transmission frame 171 through the transfer bin 106. The second motor 172 is started to drive the second screw rod 173 to rotate, thereby pushing the material to the left. It accumulates on the surface of the support plate 306 through the feeding port 304, so that the material burns inside the combustion chamber body 301. This achieves backfire prevention feeding and prevents fire in case of power failure by blocking.

[0038] Air is introduced into the combustion chamber assembly 3 through the air inlet pipe 108, and the vaporization hole 303 can draw in gas, so that the gas produced by the combustion of materials can be vaporized twice. This can realize the secondary combustion of combustible gas in the combustion chamber, achieving the effect of intense combustion and vaporization: achieving the effect of low dust in the exhaust gas after combustion, thus being more environmentally friendly and energy-saving.

[0039] The ash produced by the combustion of materials is discharged through the ash discharge port 307, and finally the ash falls into the ash collection drawer 101 for collection under the action of gravity.

[0040] When the direction of the air guide plate 201 is adjusted, the first cylindrical block 202 drives the connecting plate 204 to swing, so that the direction of each air guide plate 201 can be adjusted at the same angle through the connecting strip 205, bringing a better user experience.

[0041] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A low-ash biomass pellet gasification combustion air-heated stove, comprising a housing (1), characterized in that: A dust collection drawer (101) is installed at the bottom of the inner side of the equipment housing (1). A wind guide assembly (2) is installed at the top left side of the equipment housing (1). A feeding port (102) is opened on the right side of the top of the equipment housing (1). A material frame (103) is fixedly connected to the bottom of the feeding port (102). A partition (104) is fixedly connected to the middle of the inner side of the equipment housing (1). A combustion chamber assembly (3) is installed on the left side of the partition (104). A reverse auger (105) is installed at the top right side of the partition (104). A transfer chamber (106) is fixedly connected to the right side of the bottom of the reverse auger (105). A forward auger (107) is fixedly connected to the bottom of the transfer chamber (106). The right side of the equipment housing (1) The bottom of the combustion chamber is fixedly connected to an air inlet pipe (108) and an exhaust pipe (109). The combustion chamber assembly (3) includes a combustion chamber body (301) fixedly connected to the left side of the partition plate (104). A conical frame (302) is fixedly connected to the top of the combustion chamber body (301). A feed inlet (304) is opened in the middle of the right side of the combustion chamber body (301). An air inlet (305) is opened at the bottom of the right side of the combustion chamber body (301). A support plate (306) is fixedly connected to the inner side of the combustion chamber body (301). An ash discharge port (307) is opened in the middle of the left side of the combustion chamber body (301). A vaporization hole (303) is opened on the top of the outer side of the combustion chamber body (301) and the top of the outer side of the conical frame (302).

2. The low-ash biomass pellet gasification combustion air-heated stove according to claim 1, characterized in that: The reverse auger (105) includes a first transmission frame (151) fixedly connected to the side of the partition (104), a first motor (152) fixedly connected to the right side of the first transmission frame (151), a first screw rod (153) fixedly connected to the output shaft of the first motor (152), a feed chute (154) opened on the left side of the top of the first transmission frame (151), and a first connecting hole (155) opened on the right side of the bottom of the first transmission frame (151).

3. The low-ash biomass pellet gasification combustion air-heated stove according to claim 1, characterized in that: The forward auger (107) includes a second transmission frame (171) fixedly connected to the side of the partition (104), a second motor (172) fixedly connected to the right side of the second transmission frame (171), a second screw rod (173) fixedly connected to the output shaft of the second motor (172), and a second connecting hole (174) opened on the right side of the top of the second transmission frame (171).

4. A low-ash biomass pellet gasification combustion air-heated stove according to claim 2, characterized in that: The feed trough (154) is fixedly connected to the bottom of the material frame (103), and the first connecting hole (155) and the second connecting hole (174) are connected through the transfer chamber (106).

5. A low-ash biomass pellet gasification combustion air-heated stove according to claim 1, characterized in that: A fixing block (31) is fixedly connected to the left side of the combustion chamber body (301). A rotating shaft (32) is movably sleeved on the inner side of the fixing block (31). A connecting block (33) is fixedly connected to the bottom of the rotating shaft (32). A movable plate (34) is fixedly connected to the bottom of the connecting block (33).

6. A low-ash biomass pellet gasification combustion air-heated stove according to claim 3, characterized in that: The air inlet pipe (108) passes through the partition (104) and is connected to the air inlet (305), and the second transmission frame (171) passes through the partition (104) and is connected to the feed inlet (304).

7. A low-ash biomass pellet gasification combustion air-heated stove according to claim 1, characterized in that: The air guide assembly (2) includes an air guide plate (201) and a connecting strip (205). A first cylindrical block (202) is fixedly connected to both the front and back of the air guide plate (201). A connecting plate (204) is fixedly sleeved on the outer side of the first cylindrical block (202). A second cylindrical block (251) is fixedly connected to the surface of the connecting strip (205) near the air guide plate (201). The second cylindrical block (251) is movably sleeved with the end of the connecting plate (204) away from the first cylindrical block (202).

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