Uniform material distribution device in gasification furnace

By designing a uniform fabric device in the gasifier that includes conveying a twisting dragon, a chassis, a flap set and a level detection component, the problem of uneven fuel fabric is solved, and the simple structure, low cost and high efficiency and uniform fabric is achieved. Effect.

CN222331853UActive Publication Date: 2025-01-10NINGBO DEBIWO ENERGY SAVING TECH CO LTD
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Patent Information

Application Number
CN202421206022.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-30
Publication Date
2025-01-10
Estimated Expiration
2034-05-30

AI Technical Summary

Technical Problem

The existing fabric devices have uneven fuel fabrics in the gasifier, and additional crimps are required to level the material, resulting in complex structure and high cost.

Method used

Design a uniform fabrication device in a gasifier furnace, including conveying crane, internal casing, feed port, discharge port, flip plate group and drive assembly, and use material level detection components and control units to achieve uniform fabrication of fuel , replace the original plug-in valve to avoid additional dragon-twisting operation.

Benefits of technology

The uniform fabric of fuel in the gasifier is achieved, the structure is simplified, the cost is reduced, and the fabric efficiency and coverage is improved, and the service life of the device is extended.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an in-furnace uniform material distribution device of a gasification furnace. The in-furnace uniform material distribution device comprises a conveying auger and a machine shell, a feeding port is formed in the top of the right end of the machine shell, and a discharging port is formed in the bottom of the left end of the machine shell. The conveying auger is fixed to the right end of the machine shell, and the conveying end of the conveying auger extends into the machine shell from right to left. A plurality of pairs of turning plate sets which are sequentially arranged from left to right are arranged at the lower end of the discharging port, each pair of turning plate sets comprises two discharging turning plates which are symmetrically arranged front and back, driving assemblies are connected to the front side and the rear side of the lower end of the machine shell, and the discharging turning plate located on the front side is in transmission connection with the driving assembly located on the front side. The discharging turning plate located on the rear side is in transmission connection with the driving assembly located on the rear side. The top of the left end of the machine shell is connected with a material level detection assembly. According to the utility model, the fuel can be uniformly distributed into the hearth of the gasification furnace, namely, the fuel in the hearth of the gasification furnace does not need to be shifted and leveled by an additional auger, so that the device has the advantages of simple structure and low cost.
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Description

Technical Field

[0001] The utility model relates to the technical field of material distribution devices, in particular to a uniform material distribution device in a gasification furnace. Background Art

[0002] At present, the material distribution devices on the market mainly include a silo and an augers. A feed port is provided on the top of one side of the silo, and a discharge port is provided on the bottom of the other side of the silo. The auger is fixed on one side of the silo and the conveying end of the auger extends into the silo. The auger is used to convey the raw materials entering from the feed port to the top of the discharge port. In addition, a gate valve is provided at the discharge port, and the gate valve is used to control the opening and closing of the discharge port. When the material distribution device adds fuel to the furnace of the gasifier, the material distribution device takes the discharge port as the base point. The closer to the discharge port position in the furnace of the gasifier, the more fuel there is, and the farther away from the discharge port, the less fuel there is, that is, there is an uneven distribution of the fuel. For this reason, an additional auger is required to level the fuel in the furnace of the gasifier, which has the disadvantages of complex structure and high cost. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a uniform distribution device in a gasifier furnace, which can distribute the fuel evenly into the furnace of the gasifier, that is, there is no need to use an additional auger to level the fuel in the furnace of the gasifier, thereby having the advantages of simple structure and low cost.

[0004] The utility model provides a uniform material distribution device in a gasification furnace, comprising a conveying auger and a casing with a cavity inside; a feed port is arranged at the top of the right end of the casing, and a discharge port is arranged at the bottom of the left end of the casing; the conveying auger is fixed at the right end of the casing and the conveying end of the conveying auger extends into the casing from right to left, and the conveying auger is used to convey the fuel entering the casing from the feed port to the top of the discharge port; a plurality of pairs of flap groups arranged in sequence from left to right are arranged at the lower end of the discharge port, each pair of flap groups includes two material discharge flaps arranged symmetrically front and back, and the front and rear sides of the lower end of the casing are connected to drive The material discharging flap at the front side is connected to the driving assembly at the front side, and the material discharging flap at the rear side is connected to the driving assembly at the rear side. The driving assembly is used to drive the material discharging flap to rotate so that the material discharging flap can switch between a horizontal state and a vertical state. A material level detection assembly is connected to the top of the left end of the casing, and the conveying auger, the material level detection assembly and the driving assembly are all connected to the control unit. When the material level detection assembly is triggered, the control unit controls the conveying auger to stop, and the control unit controls the driving assembly to drive the material discharging flap to rotate, so that the uniform material distribution device in the gasification furnace can distribute the material.

[0005] The utility model can evenly distribute the fuel into the furnace of the gasifier, that is, no additional auger is needed to level the fuel in the furnace of the gasifier, thus having the advantages of simple structure and low cost.

[0006] In a possible embodiment, each driving component includes a rotating shaft and a driving member; the rotating shaft extends from left to right and is rotatably connected to the casing, the driving member is fixed on the outer wall of the casing and is used to drive the rotating shaft in the corresponding driving component to reciprocate, each unloading flap is fixed to the outer side wall of the rotating shaft in the corresponding driving component, and the driving member is connected to the control unit; by adopting this driving component, when the driving member drives the rotating shaft to rotate toward one side, the rotating shaft can drive the unloading flap to rotate to a vertical state, at this time, the unloading flap can remove the obstruction of the unloading port, that is, the fuel inside the casing can be unloaded; when the driving member drives the rotating shaft to rotate toward the other side, the rotating shaft can drive the unloading flap to rotate to a horizontal state, at this time, the unloading flap can achieve obstruction of the unloading port, that is, the fuel inside the casing can stop unloading.

[0007] In a possible implementation, a gap of 8-10 mm is left between each two adjacent material discharging flaps; by adopting this structure, when the material discharging flaps expand due to heat, the gap can avoid interference between the two adjacent material discharging flaps, and can avoid the material discharging flaps being squeezed against each other and causing deformation of the material discharging flaps, thereby ensuring the stable operation of the uniform material distribution device in the gasifier furnace and increasing the service life of the uniform material distribution device in the gasifier furnace. The above-mentioned material discharging flaps are made of metal plates.

[0008] In a possible embodiment, the material level detection assembly includes a bracket, a swing rod, a material baffle plate and a proximity sensor; the bracket is fixed on the outer top of the left end of the casing, the swing rod is vertically arranged and the middle part of the swing rod is rotatably connected to the bracket, the lower end of the swing rod extends into the casing and can swing left and right relative to the casing, the material baffle plate is arranged inside the casing and the material baffle plate is close to the inner top of the left end of the casing, the upper end of the material baffle plate is fixed to the lower end of the swing rod, the proximity sensor is fixed on the outer top of the casing and the trigger end of the proximity sensor is close to the upper end of the swing rod, and the proximity sensor is electrically connected to the control unit; when the fuel from the conveying auger pushes the material baffle plate so that the material baffle plate drives the swing rod to rotate, the swing rod is used to trigger the proximity sensor. device; by adopting this material level detection component, when the fuel from the conveying auger pushes the material baffle plate so that the material baffle plate drives the swing arm to rotate (indicating that the fuel from the conveying auger has reached the leftmost end inside the casing), the swing arm can trigger the proximity sensor. At this time, the control unit will control the conveying auger to stop, and the control unit can control the drive component to drive the unloading flap to rotate, so that the uniform material distribution device in the gasifier furnace can unload the material, that is, the fuel distribution is realized; after the uniform material distribution device in the gasifier furnace completes the unloading, the fuel stops pushing the material baffle plate. At this time, under the action of the gravity of the material baffle plate, the swing arm can be rotated to the vertical state again, that is, the swing arm can release the trigger state of the proximity sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0010] Figure 2 for Figure 1 The schematic diagram of the structure after the enlargement of A in the middle;

[0011] Figure 3 It is a schematic diagram of the top view of the structure of the utility model after removing some structures. DETAILED DESCRIPTION

[0012] First, those skilled in the art should understand that these implementations are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can make adjustments to them as needed to adapt to specific application scenarios.

[0013] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0014] In the embodiments of the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0015] The present application is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0016] See also Figure 1-3As shown, the embodiment of the present application discloses a uniform distribution device in a gasification furnace, comprising a conveying auger 1 and a casing 2 with a cavity inside; a feed port 21 is arranged at the top of the right end of the casing 2, and a discharge port 22 is arranged at the bottom of the left end of the casing 2; the conveying auger 1 is fixed to the right end of the casing 2 and the conveying end of the conveying auger 1 extends from right to left into the casing 2, and the conveying auger 1 is used to convey the fuel entering the casing 2 from the feed port 21 to the top of the discharge port 22; a plurality of pairs of flap groups arranged in sequence from left to right are arranged at the lower end of the discharge port 2, and each pair of flap groups includes two unloading flaps 3 arranged symmetrically front and back, and the lower end of the casing 2 is provided with a plurality of flap groups arranged in sequence from left to right, and each pair of flap groups includes two unloading flaps 3 arranged symmetrically front and back. The front and rear sides are both connected with driving components, the unloading flap 3 located on the front side is transmission connected with the driving component located on the front side, and the unloading flap 3 located on the rear side is transmission connected with the driving component located on the rear side, and the driving component is used to drive the unloading flap 3 to rotate so that the unloading flap 3 can switch between a horizontal state and a vertical state; a material level detection component is connected to the top of the left end of the casing 2, and the conveying auger 1, the material level detection component and the driving component are all connected with the control unit; when the material level detection component is triggered, the control unit controls the conveying auger 1 to stop, and the control unit controls the driving component to drive the unloading flap 3 to rotate, so that the uniform distribution device in the gasification furnace can distribute the material.

[0017] When the utility model is working, the control unit starts the conveying auger. At this time, the fuel entering the casing from the feed port can be evenly conveyed to the top of the discharge port of the casing. After the fuel reaches the interior of the left end of the casing and the fuel reaches a certain amount, the fuel located inside the left end of the casing can trigger the material level detection component. At this time, the control unit can control the conveying auger to stop, and the control unit can control the drive component to drive the discharge flap to rotate, so that the uniform distribution device in the gasifier furnace can distribute the material; after the fuel reaches the interior of the left end of the casing and reaches a certain amount (the material levels at both ends of the conveying auger head and tail are evenly balanced), the uniform distribution device in the gasifier furnace can immediately distribute the fuel into the furnace of the gasifier, thereby effectively avoiding the occurrence of uneven distribution; in addition, the present application can make the distribution efficiency of the uniform distribution device in the gasifier furnace higher, the distribution coverage is wider, and the distribution is more uniform by replacing the gate valve originally located at the discharge port with multiple discharge flaps.

[0018] Each driving assembly includes a rotating shaft 4 and a driving member; the rotating shaft 4 extends from left to right and is rotatably connected to the casing 2, the driving member is fixed on the outer wall of the casing 2 and is used to drive the rotating shaft 4 in the corresponding driving assembly to reciprocate, and each unloading flap 3 is fixed to the outer side wall of the rotating shaft 4 in the corresponding driving assembly, and the driving member is connected to the control unit; after adopting this driving assembly, when the driving member drives the rotating shaft to rotate to one side, the rotating shaft can drive the unloading flap to rotate to a vertical state, at which time the unloading flap can remove the obstruction of the unloading port, that is, the fuel located inside the casing can be unloaded; when the driving member drives the rotating shaft to rotate to the other side, the rotating shaft can drive the unloading flap to rotate to In the horizontal state, the unloading flap can cover the unloading port, that is, the fuel inside the casing can stop unloading; in addition, the above-mentioned driving member can adopt a servo motor or a cylinder and connecting rod driving structure. When the driving member adopts a servo motor, the output shaft of the servo motor is connected to the rotating shaft in a transmission manner, and the servo motor is electrically connected to the control unit. When the driving member adopts a cylinder and connecting rod driving structure, one end of the connecting rod is fixed to the outer wall of one end of the rotating shaft, and the other end of the connecting rod is rotatably connected to the piston rod of the cylinder, and the cylinder is rotatably connected to the casing. When the piston rod of the cylinder performs a telescopic movement, the casing controls the reciprocating rotation of the rotating shaft, and the cylinder is connected to the solenoid valve in the control unit through an air pipe.

[0019] A gap of 8-10 mm is left between each two adjacent material discharging flaps 3; by adopting this structure, when the material discharging flaps expand due to heat, the gap can avoid interference between the two adjacent material discharging flaps, and can avoid mutual squeezing of the material discharging flaps and deformation of the material discharging flaps, thereby ensuring the stable operation of the uniform material distribution device in the gasifier furnace and improving the service life of the uniform material distribution device in the gasifier furnace. The above-mentioned material discharging flaps are made of metal plates.

[0020] The material level detection assembly includes a bracket 51, a swing rod 52, a baffle plate 53 and a proximity sensor 54; the bracket 51 is fixed to the outer top of the left end of the casing 2, the swing rod 52 is vertically arranged and the middle part of the swing rod 52 is rotatably connected to the bracket 51, the lower end of the swing rod 52 extends into the casing 2 and can swing left and right relative to the casing 2, the baffle plate 53 is arranged inside the casing 2 and the baffle plate 53 is close to the inner top of the left end of the casing 2, the upper end of the baffle plate 53 is fixed to the lower end of the swing rod 52, the proximity sensor 54 is fixed to the outer top of the casing 2 and the trigger end of the proximity sensor 54 is close to the upper end of the swing rod 52, and the proximity sensor 54 is electrically connected to the control unit; when the fuel from the conveying auger 1 pushes the baffle plate 53 so that the baffle plate 53 drives the swing rod 5 2, the swing rod 52 is used to trigger the proximity sensor 54; after adopting this material level detection component, when the fuel from the conveying auger pushes the material baffle plate so that the material baffle plate drives the swing rod to rotate (indicating that the fuel from the conveying auger has reached the leftmost end inside the casing), the swing rod can trigger the proximity sensor, at this time, the control unit will control the conveying auger to stop, and the control unit can control the driving component to drive the unloading flap to rotate, so that the uniform distribution device in the gasifier furnace can unload the material, that is, the distribution of the fuel is realized; after the uniform distribution device in the gasifier furnace unloads the material, the fuel stops pushing the material baffle plate, at this time, under the action of the gravity of the material baffle plate, the swing rod can be rotated to the vertical state again, that is, the swing rod can release the trigger state of the proximity sensor.

[0021] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A uniform material distribution device in a gasifier, characterized in that: The invention comprises a conveying auger (1) and a casing (2) having a cavity therein; a feed port (21) is arranged at the top of the right end of the casing (2), and a discharge port (22) is arranged at the bottom of the left end of the casing (2); the conveying auger (1) is fixed at the right end of the casing (2), and the conveying end of the conveying auger (1) extends from right to left into the casing (2), and the conveying auger (1) is used to convey the fuel entering the casing (2) from the feed port (21) to the top of the discharge port (22); a plurality of pairs of flap groups arranged in sequence from left to right are arranged at the lower end of the discharge port (22), and each pair of the flap groups comprises two material discharge flaps (3) arranged symmetrically in front and back, and the casing (2) The front and rear sides of the lower end are both connected to a driving assembly, the unloading flap (3) located on the front side is in transmission connection with the driving assembly located on the front side, and the unloading flap (3) located on the rear side is in transmission connection with the driving assembly located on the rear side, and the driving assembly is used to drive the unloading flap (3) to rotate so that the unloading flap (3) switches between a horizontal state and a vertical state; the top of the left end of the casing (2) is connected to a material level detection assembly, and the conveying auger (1), the material level detection assembly and the driving assembly are all connected to a control unit; when the material level detection assembly is triggered, the control unit controls the conveying auger (1) to stop, and the control unit controls the driving assembly to drive the unloading flap (3) to rotate, so that the uniform material distribution device in the gasification furnace distributes the material.

2. The uniform material distribution device in the gasifier according to claim 1, characterized in that: Each of the driving components comprises a rotating shaft (4) and a driving member; the rotating shaft (4) extends from left to right and is rotatably connected to the housing (2); the driving member is fixed to the outer wall of the housing (2) and is used to drive the rotating shaft (4) in the corresponding driving component to reciprocate; each of the unloading flaps (3) is fixed to the outer side wall of the rotating shaft (4) in the corresponding driving component; and the driving member is connected to a control unit.

3. The uniform material distribution device in a gasifier according to claim 1 or 2, characterized in that: A gap of 8-10 mm is left between each two adjacent material unloading flaps (3).

4. The uniform material distribution device in a gasifier according to claim 1, characterized in that: The material level detection assembly comprises a bracket (51), a swing rod (52), a material baffle plate (53) and a proximity sensor (54); the bracket (51) is fixed to the outer top of the left end of the casing (2); the swing rod (52) is vertically arranged and the middle part of the swing rod (52) is rotatably connected to the bracket (51); the lower end of the swing rod (52) extends into the casing (2) and can swing left and right relative to the casing (2); the material baffle plate (53) is arranged inside the casing (2) and the material baffle plate (53) is close to the casing (2). 2) the inner top of the left end, the upper end of the baffle plate (53) is fixed to the lower end of the swing rod (52), the proximity sensor (54) is fixed to the outer top of the casing (2) and the trigger end of the proximity sensor (54) is close to the upper end of the swing rod (52), and the proximity sensor (54) is electrically connected to the control unit; when the fuel from the conveying auger (1) pushes the baffle plate (53) so that the baffle plate (53) drives the swing rod (52) to rotate, the swing rod (52) is used to trigger the proximity sensor (54).