A material gasification device with a slag removal and cleaning mechanism

Abstract

The utility model discloses a material gasification device with a slag removal and cleaning mechanism, which belongs to the technical field of biomass combustion, and comprises a gasifier main body, a feeding hopper is arranged on the upper surface of the gasifier main body, a motor and a dust extraction fan are fixedly installed on the surface of the feeding hopper, an output shaft of the motor one extends to the inside of the feeding hopper and is fixedly installed with a rotating shaft one, a plurality of crushing knives are fixed on the outer surface of the rotating shaft one, a dust filter cover is sleeved at the air outlet position of the dust extraction fan, and a plurality of bolts are threadedly installed between the dust filter cover and the air outlet of the dust extraction fan; a slag collecting box is arranged to be used in conjunction with a screen and a cleaning brush, the slag collecting box is used to collect waste slag after the combustion of biomass fuel, the screen effectively distinguishes solid waste and powder waste in the waste slag, and is convenient for subsequent processing, and a reciprocating screw can be used to drive the cleaning brush to continuously reciprocate, so as to realize surface cleaning of the screen, prevent mesh clogging, ensure normal operation of the screen, and thus facilitate effective cleaning of the waste slag.

Description

Technical Field

[0001] The utility model belongs to the technical field of biomass combustion, and in particular relates to a material gasification device with a slag removal and cleaning mechanism. Background Art

[0002] Biomass fuel refers to the burning of biomass materials as fuel, generally mainly agricultural and forestry waste such as straw, sawdust, bagasse, rice chaff, etc. It uses agricultural and forestry waste as raw materials, and is made into various shapes such as blocks and granules through processes such as crushing, mixing, extrusion, and drying. It is a new type of clean fuel that can be directly burned.

[0003] When burning biomass fuel, a material gasification device, that is, a biomass gasifier, is required. The existing gasifier lacks a biomass fuel crushing device in the hopper when burning biomass. Since the biomass fuel is in block form, it is difficult to burn quickly after entering the gasifier, and the waste residue after combustion cannot be quickly discharged, cleaned and screened. It is difficult to quickly distinguish the granular waste residue and waste powder mixed in the waste residue. Utility Model Content

[0004] The purpose of the utility model is to provide a material gasification device with a slag discharge and cleaning mechanism to solve the problems proposed in the above background technology that the existing gasifier lacks a biomass fuel crushing device in the charging hopper of the gasifier when burning biomass, and because the biomass fuel is in block form, it is difficult to burn quickly after entering the gasifier, and the waste slag after combustion cannot be quickly discharged, cleaned and screened, and the particulate waste slag and waste powder mixed in the waste slag are difficult to quickly distinguish.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a material gasification device with a slag removal and cleaning mechanism, comprising a gasifier body, a feeding hopper is arranged on the upper surface of the gasifier body, a motor 1 and a dust extraction fan are fixedly mounted on the surface of the feeding hopper, an output shaft of the motor 1 extends to the inside of the feeding hopper and is fixedly mounted with a rotating shaft 1, a plurality of crushing knives are fixedly mounted on the outer surface of the rotating shaft 1, a dust filter cover is sleeved at the air outlet position of the dust extraction fan, and a plurality of bolts 1 are threadedly mounted between the dust filter cover and the air outlet of the dust extraction fan, a slag collecting box for receiving the residue after biomass combustion is slidably arranged on the side of the gasifier body, a fixing frame is fixedly mounted on the inner wall of the slag collecting box, a screen is bonded to the surface of the fixing frame, a plurality of bolts 2 are threadedly mounted between the screen and the fixing frame, and a cleaning brush is bonded to the surface of the screen.

[0006] The above scheme is adopted, by setting up a slag box in conjunction with a screen and a cleaning brush, the slag box is used to collect the waste residue after the combustion of biomass fuel, the screen can effectively distinguish the solid waste and powder waste in the waste residue, and it is convenient for subsequent processing, and the reciprocating screw can be used to drive the cleaning brush to continuously reciprocate, so as to realize the surface cleaning of the screen, prevent the mesh from being blocked, ensure the normal operation of the screen, and then facilitate the effective cleaning of the waste residue, and by setting up a motor to drive the rotating shaft to drive the crushing knife, the biomass fuel can be effectively crushed, so that the biomass fuel can be quickly burned and gasified after entering the gasification furnace body, and at the same time, the dust extraction fan is used in conjunction with the dust filter hood to extract and process the dust splashed during the feeding process to prevent the dust from overflowing, and the dust filter can be conveniently disassembled and assembled for easy cleaning.

[0007] In the above solution, it should be noted that the motor one, the motor two and the dust extraction fan are all electrically connected to the external power supply.

[0008] As a preferred embodiment, a spiral feeding rod is fixedly installed at the bottom end of the rotating shaft 1, and the spiral feeding rod is located inside the pipe opening at the bottom end of the feeding hopper.

[0009] By adopting the above scheme and utilizing the setting of the spiral feeding rod, the spiral feeding rod will be driven to rotate synchronously when the rotating shaft rotates, so that the biomass fuel can quickly enter the gasification furnace body after being crushed, thereby preventing the feeding blockage.

[0010] As a preferred embodiment, a plurality of guide rods are fixedly mounted on the air outlet end of the dust extraction fan, a plurality of guide sleeves are fixed on the inner wall of the dust filter cover, and the guide sleeves and guide rods are used in combination.

[0011] By adopting the above solution, the guide rod is used in conjunction with the guide sleeve to facilitate the alignment and assembly operation of the dust extraction fan outlet and the dust filter cover.

[0012] As a preferred embodiment, an inner wall of the dust filter cover is provided with an embedded groove, and a sealing ring is embedded in the embedded groove, and the inner wall of the sealing ring is in contact with the outer surface of the air outlet of the dust exhaust fan.

[0013] By adopting the above solution, the setting of the sealing ring can ensure good sealing characteristics between the air outlet of the dust extraction fan and the dust filter cover to prevent air leakage.

[0014] As a preferred implementation, a plurality of the crushing knives are arranged sequentially from top to bottom, and the number of blades on the crushing knives increases sequentially from top to bottom.

[0015] The above scheme can ensure that the biomass fuel can be crushed from top to bottom and the crushing accuracy can be improved.

[0016] As a preferred embodiment, two sockets are provided on the opposite sides of the slag collecting box, and fixed plates are inserted in the sockets, and the opposite surfaces of the two fixed plates are rotatably installed with rotating shafts 2, and an assembling plate is fixedly installed on the side of the fixed plate, and bolts 3 are threadedly installed between the assembling plate and the slag collecting box, and a reciprocating screw is fixedly installed between the two rotating shafts 2, and a motor 2 is fixedly installed on the side of one of the fixed plates, and the output shaft of the motor 2 is fixedly connected to the rotating shaft 2 at the same side position, and a threaded plate is threadedly installed on the outer surface of the reciprocating screw, and the cleaning brush is fixed on the lower surface of the threaded plate, and a support rod is fixedly installed between the two fixed plates, and a support sleeve is slidably installed on the outer surface of the support rod, and the support sleeve is fixed on the surface of the threaded plate.

[0017] By adopting the above scheme, the assembly plate is used in conjunction with bolt three to facilitate the fixed installation of the fixed plate, and the second motor is used to drive the second shaft to drive the reciprocating screw to rotate, thereby driving the threaded plate to reciprocate, and then driving the cleaning brush to continuously reciprocate, thereby cleaning the surface of the screen and preventing the mesh from being blocked. In addition, the support rod is used in conjunction with the support sleeve to support and guide the movement of the threaded plate and improve the movement stability.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The material gasification device with a slag discharge and cleaning mechanism is used by arranging a slag collecting box in conjunction with a screen and a cleaning brush. The slag collecting box collects waste slag after the combustion of biomass fuel, and the screen effectively distinguishes solid waste and powder waste in the waste slag, which is convenient for subsequent processing. The reciprocating screw can drive the cleaning brush to reciprocate continuously to achieve surface cleaning of the screen, prevent mesh blockage, ensure the normal operation of the screen, and thus facilitate the effective cleaning of the waste slag.

[0020] The material gasification device with a slag removal and cleaning mechanism can effectively crush the biomass fuel by arranging a motor to drive the rotating shaft to drive the crushing knife, so that the biomass fuel can be quickly burned and gasified after entering the gasification furnace body. At the same time, the dust extraction fan is used in conjunction with the dust filter hood to extract and process the dust splashed during the feeding process to prevent dust from overflowing, and the dust filter net can be conveniently disassembled and assembled for easy cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure of the utility model;

[0022] Figure 2 It is a structural schematic diagram of the cross section of the charging hopper of the utility model;

[0023] Figure 3 It is an explosion diagram of the dust extraction fan and dust filter cover of the utility model;

[0024] Figure 4 This is a schematic diagram of the structure of the slag collecting box of the utility model;

[0025] Figure 5 It is an exploded schematic diagram of the slag collecting box, screen and cleaning brush of the utility model;

[0026] Figure 6 It is a structural schematic diagram of the reciprocating screw of the utility model.

[0027] In the figure: 1. Gasification furnace body; 2. Feeding hopper; 3. Motor 1; 4. Rotating shaft 1; 5. Crushing knife; 6. Dust exhaust fan; 7. Dust filter cover; 8. Bolt 1; 9. Slag collecting box; 10. Fixed frame; 11. Screen; 12. Bolt 2; 13. Cleaning brush; 14. Spiral feeding rod; 15. Guide rod; 16. Guide sleeve; 17. Sealing ring; 18. Fixed plate; 19. Rotating shaft 2; 20. Assembly plate; 21. Bolt 3; 22. Motor 2; 23. Reciprocating screw; 24. Threaded plate; 25. Support sleeve; 26. Support rod. DETAILED DESCRIPTION

[0028] See also Figure 1-6 The utility model provides a material gasification device with a slag removal and cleaning mechanism, including a gasifier body 1, a feeding hopper 2 is arranged on the upper surface of the gasifier body 1, a motor 3 and a dust exhaust fan 6 are fixedly installed on the surface of the feeding hopper 2, the output shaft of the motor 3 extends to the inside of the feeding hopper 2 and is fixedly installed with a rotating shaft 4, a plurality of crushing knives 5 are fixed on the outer surface of the rotating shaft 4, a dust filter cover 7 is sleeved at the air outlet position of the dust exhaust fan 6, and a plurality of bolts 8 are threadedly installed between the dust filter cover 7 and the air outlet of the dust exhaust fan 6, a slag collecting box 9 for receiving the residue after biomass combustion is slidably arranged on the side of the gasifier body 1, a fixing frame 10 is fixedly installed on the inner wall of the slag collecting box 9, a screen 11 is bonded to the surface of the fixing frame 10, a plurality of bolts 12 are threadedly installed between the screen 11 and the fixing frame 10, and a cleaning brush 13 is bonded to the surface of the screen 11.

[0029] A spiral feeding rod 14 is fixedly installed at the bottom end of the rotating shaft 4, and the spiral feeding rod 14 is located inside the pipe mouth at the bottom end of the feeding hopper 2. By utilizing the setting of the spiral feeding rod 14, when the rotating shaft 4 rotates, the spiral feeding rod 14 will be driven to rotate synchronously, so that the biomass fuel can quickly enter the gasification furnace body 1 after being crushed, thereby preventing the feeding from being blocked.

[0030] A plurality of guide rods 15 are fixedly installed at the end of the air outlet of the dust extraction fan 6, and a plurality of guide sleeves 16 are fixed to the inner wall of the dust filter cover 7. The guide sleeves 16 and the guide rods 15 are used in conjunction with each other, and the guide rods 15 are used in conjunction with the guide sleeves 16 to facilitate the alignment and assembly operation of the air outlet of the dust extraction fan 6 and the dust filter cover 7.

[0031] The inner wall of the dust filter cover 7 is provided with an embedded groove, and a sealing ring 17 is embedded in the embedded groove. The inner wall of the sealing ring 17 fits with the outer surface of the air outlet of the dust exhaust fan 6. The setting of the sealing ring 17 can ensure good sealing characteristics between the air outlet of the dust exhaust fan 6 and the dust filter cover 7 to prevent air leakage.

[0032] A plurality of crushing knives 5 are arranged sequentially from top to bottom, and the number of blades on the crushing knives 5 increases sequentially from top to bottom, which can ensure that the biomass fuel can be crushed more intensively from top to bottom and improve the crushing accuracy.

[0033] Two sockets are provided on opposite sides of the slag collecting box 9, and a fixing plate 18 is inserted into the sockets. A rotating shaft 2 19 is rotatably installed on the opposite sides of the two fixing plates 18. An assembling plate 20 is fixedly installed on the side of the fixing plate 18. A bolt 3 21 is threadedly installed between the assembling plate 20 and the slag collecting box 9. A reciprocating screw 23 is fixedly installed between the two rotating shafts 19. A motor 22 is fixedly installed on the side of one of the fixing plates 18. The output shaft of the motor 22 is fixedly connected to the rotating shaft 2 19 at the same side. A threaded plate 24 is threadedly installed on the outer surface of the reciprocating screw 23. The cleaning brush 13 is fixed on the lower surface of the threaded plate 24. A support rod 26 is fixedly installed between the two fixed plates 18, and a support sleeve 25 is slidably installed on the outer surface of the support rod 26. The support sleeve 25 is fixed on the surface of the threaded plate 24. The assembly plate 20 is used in conjunction with the bolt three 21 to facilitate the fixed installation of the fixed plate 18. The motor two 22 drives the rotating shaft two 19 to drive the reciprocating screw 23 to rotate, thereby driving the threaded plate 24 to reciprocate, and then driving the cleaning brush 13 to continuously reciprocate, so as to achieve surface cleaning of the screen 11 and prevent the mesh from being blocked. The support rod 26 is used in conjunction with the support sleeve 25 to support and guide the movement of the threaded plate 24 and improve the movement stability.

[0034] When in use, add biomass fuel into the feeding hopper 2, start the motor 3 and the dust extraction fan 6, the motor 3 drives the shaft 4 to drive the crushing knife 5 to rotate, so as to crush the biomass fuel, and at the same time the shaft 4 drives the spiral feeding rod 14 to rotate, and then the crushed biomass fuel is fed downward into the gasification furnace body 1, and at the same time the dust extraction fan 6 extracts the dust splashed in the process of feeding and crushing and collects it through the dust filter cover 7 to prevent the dust from scattering, and the gasification furnace body 1 is started to burn and gasify the biomass fuel, and the waste residue produced by the combustion falls into the gasification furnace body 1. The dust collector 11 is put into the slag collecting box 9, and the solid residue remains on the surface of the screen 11, and the powder waste falls under the screen 11. At the same time, the motor 22 is started, and the motor 22 drives the reciprocating screw 23 to rotate through the rotating shaft 19, thereby driving the threaded plate 24 to reciprocate, and then driving the cleaning brush 13 to continuously reciprocate, so as to clean the surface of the screen 11 and prevent the mesh from being blocked. After the operation is completed, the dust filter cover 7 can be removed by unscrewing the bolt 1 8, and the fixing plate 18 can be removed by unscrewing the bolt 3 21 after pulling out the slag collecting box 9, and the screen 11 can be removed by unscrewing the bolt 2 12.

Claims

1. A material gasification device with a slag removal and cleaning mechanism, characterized in that: The invention comprises a gasification furnace body (1), wherein a charging hopper (2) is arranged on the upper surface of the gasification furnace body (1), a motor (3) and a dust extraction fan (6) are fixedly installed on the surface of the charging hopper (2), an output shaft of the motor (3) extends into the inside of the charging hopper (2) and a rotating shaft (4) is fixedly installed thereon, a plurality of crushing knives (5) are fixedly installed on the outer surface of the rotating shaft (4), a dust filter cover (7) is sleeved at the air outlet position of the dust extraction fan (6), and the dust filter cover (7) and the dust extraction fan (6) are connected to each other. ) are threadedly installed between the air outlets of the gasifier body (1), a slag collecting box (9) for receiving the residue after biomass combustion is slidably arranged on the side of the gasifier body (1), a fixing frame (10) is fixedly installed on the inner wall of the slag collecting box (9), a screen (11) is bonded to the surface of the fixing frame (10), a plurality of bolts (12) are threadedly installed between the screen (11) and the fixing frame (10), and a cleaning brush (13) is bonded to the surface of the screen (11).

2. The material gasification device with a slag removal and cleaning mechanism according to claim 1, characterized in that: A screw feeding rod (14) is fixedly mounted on the bottom end of the rotating shaft 1 (4), and the screw feeding rod (14) is located inside the pipe opening at the bottom end of the feeding hopper (2).

3. The material gasification device with a slag removal and cleaning mechanism according to claim 1, characterized in that: A plurality of guide rods (15) are fixedly mounted on the air outlet end of the dust extraction fan (6), and a plurality of guide sleeves (16) are fixedly mounted on the inner wall of the dust filter cover (7), wherein the guide sleeves (16) and the guide rods (15) are used in coordination.

4. The material gasification device with a slag removal and cleaning mechanism according to claim 1, characterized in that: An embedded groove is provided on the inner wall of the dust filter cover (7), and a sealing ring (17) is embedded in the embedded groove. The inner wall of the sealing ring (17) fits with the outer surface of the air outlet of the dust extraction fan (6).

5. The material gasification device with a slag removal and cleaning mechanism according to claim 1, characterized in that: The plurality of crushing knives (5) are arranged sequentially from top to bottom, and the number of blades on the crushing knives (5) increases sequentially from top to bottom.

6. The material gasification device with a slag removal and cleaning mechanism according to claim 1, characterized in that: Two sockets are provided on opposite sides of the slag collecting box (9), and a fixing plate (18) is inserted into the socket. A second rotating shaft (19) is rotatably installed on the opposite sides of the two fixing plates (18). An assembly plate (20) is fixedly installed on the side of the fixing plate (18). A third bolt (21) is threadedly installed between the assembly plate (20) and the slag collecting box (9). A reciprocating screw (23) is fixedly installed between the two second rotating shafts (19). The side of one of the fixing plates (18) is fixedly installed. A second motor (22) is installed, the output shaft of the second motor (22) is fixedly connected to the second rotating shaft (19) at the same side position, the outer surface of the reciprocating screw (23) is threadedly installed with a threaded plate (24), the cleaning brush (13) is fixed on the lower surface of the threaded plate (24), a support rod (26) is fixedly installed between the two fixed plates (18), and a support sleeve (25) is slidably installed on the outer surface of the support rod (26), and the support sleeve (25) is fixed on the surface of the threaded plate (24).

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