A coal-feeding assembly for a gasifier

Abstract

The utility model discloses a coal-feeding assembly for a gasifier, comprising a coal storage box, a furnace body, and a coal-feeding pipeline fixedly arranged between the coal storage box and the furnace body, an exhaust pipe is arranged on the outer side of the coal-feeding pipeline, at least two sealing baffles are plugged and arranged on the outer side of the coal-feeding pipeline, the exhaust pipe is located between the two sealing baffles, the sealing baffle extends into the interior of the coal-feeding pipeline, a movable connecting frame is fixedly connected to the outer side of the sealing baffle, a movable tooth block is fixedly connected to the upper end of the movable connecting frame, and sealing gaskets are fixedly arranged on the sealing baffle and the outer side of the movable connecting frame and the upper half of the movable connecting frame, and the two movable tooth blocks are respectively meshed and connected with a first rotating gear and a second rotating gear; the utility model has the effect of preventing the outer air from moving into the interior of the furnace body following the transportation of the coal by extracting the air around the coal.

Description

Technical Field

[0001] The utility model relates to the technical field of coal gasifiers, in particular to a coal adding component for a gasifier. Background Art

[0002] Coal gasification furnace refers to the main equipment for coal gasification. There are various gasification methods according to the properties of coal and different requirements for coal gas. The corresponding gasification equipment includes fixed bed gasification furnace, fluidized bed gasification furnace, entrained bed coal gasification furnace, etc.

[0003] The gasifier needs to be continuously added with coal to ensure its continued stability during use. However, in the coal adding process of the existing technology, the air will move into the furnace body with the movement of the coal, and the external air entering the furnace body will cause the pressure to change, thereby affecting the stability of the device during operation. Therefore, it is necessary to improve the coal adding component of the device.

[0004] Therefore, we provide a gasifier coal charging assembly. Utility Model Content

[0005] The utility model aims to solve the above-mentioned technical problems and provide a coal-feeding assembly for a gasifier, so as to prevent the external air from moving during the coal-feeding process.

[0006] In view of this, the utility model provides a gasification furnace coal feeding assembly, including a coal storage box, a furnace body, and a coal feeding pipe fixedly arranged between the coal storage box and the furnace body, an exhaust pipe is arranged on the outer side of the coal feeding pipe, at least two sealing baffles are plugged into the outer side of the coal feeding pipe, the exhaust pipe is located between the two sealing baffles, the sealing baffle extends into the interior of the coal feeding pipe, a movable connecting frame is fixedly connected to the outer side of the sealing baffle, a movable tooth block is fixedly connected to the upper end of the movable connecting frame, a sealing support frame is plugged into the movable tooth block, the movable connecting frame and the sealing baffle are both located inside the movable tooth block, and sealing gaskets are fixedly arranged on the sealing baffle and the outer side of the movable connecting frame and the upper half of the movable connecting frame, the two movable tooth blocks are respectively meshed and connected with a first rotating gear and a second rotating gear, and the first rotating gear and the second rotating gear are respectively controlled.

[0007] Preferably, a first rotating cylinder is inserted into one side of the first rotating gear and extends out of the outside thereof, and a rotating connecting rod is inserted into one side of the first rotating cylinder and extends out of the outside thereof.

[0008] Preferably, one end of the rotating connecting rod is fixedly connected with a rotating plug-in plate, and the rotating plug-in plate is plugged into the first rotating cylinder through a first plug-in groove, and the first plug-in groove is opened on the inner wall of the first rotating cylinder.

[0009] Preferably, one end of the rotating connecting rod is fixedly connected to a rotating motor, a servo motor is fixedly connected below the rotating motor, and a sliding support frame is provided on one side of the servo motor.

[0010] Preferably, the second rotating gear is plugged with a rotating column, and the rotating column is rotatably connected to the coal storage box.

[0011] Preferably, the rotating column is rotatably connected to the rotating support frame and extends into the interior thereof, and the first rotating cylinder and the rotating connecting rod are both plugged into the rotating support frame and extend into the interior thereof.

[0012] Preferably, a second plug-in slot is provided on one side of the rotating column located inside the rotating support frame, the second plug-in slot is plugged into the rotating plug-in plate, and the rotating support frame is fixedly arranged on the outside of the coal feeding pipeline.

[0013] Preferably, an adjustment frame is provided on one side of the coal storage box close to the coal feeding pipeline, and the adjustment frame is used to adjust the size of the coal flow opening.

[0014] Compared with the prior art, the utility model provides a gasifier coal adding assembly, which has the following beneficial effects:

[0015] 1. The utility model reduces the pressure change caused by the flow of coal from the coal storage box to the inside of the furnace body by moving the two sealing baffles respectively and supporting the exhaust of the exhaust pipe.

[0016] 2. The utility model rotates the second rotating gear so that the movable tooth block close to the coal storage box side moves under the limit support of the sealing support frame. The movement of the movable tooth block can drive the movable connecting frame and the sealing baffle below to move upward, thereby releasing the sealing blocking effect of the sealing baffle on the inside of the coal feeding pipeline, so that the coal can automatically move toward the furnace body under the inclination of the coal storage box and the coal feeding pipeline.

[0017] 3. The utility model reverses the second rotating gear to drive the movable tooth block, the sealing baffle and the movable connecting frame to reset, and reseals the interior of the coal storage box. Then, the air inside the coal storage box between the two sealing baffles is extracted by connecting the exhaust pipe to the outer exhaust device. Then, the first rotating gear is rotated to drive the sealing baffle close to the side of the furnace body to release the sealing effect on the interior of the coal storage box, so that the coal in the middle flows into the furnace body, thereby extracting the air around the coal to prevent the outer air from moving into the furnace body along with the transportation of the coal.

[0018] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front view structural diagram of a gasifier coal adding assembly proposed by the utility model;

[0020] Figure 2 It is a partial three-dimensional structural schematic diagram of a coal adding assembly for a gasifier proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the driving structure of a gasifier coal adding assembly proposed by the utility model;

[0022] Figure 4 The utility model is a schematic diagram of the structure of the rotation adjustment method of the coal adding assembly of the gasifier.

[0023] In the figure: 1. coal storage box; 2. coal feeding pipeline; 3. furnace body; 4. sealing support frame; 5. movable connecting frame; 6. sealing baffle; 7. movable gear block; 8. first rotating gear; 9. second rotating gear; 10. first rotating cylinder; 11. rotating connecting rod; 12. rotating motor; 13. rotating plug-in plate; 14. rotating column; 15. first plug-in slot; 16. second plug-in slot; 17. rotating support frame; 18. servo motor; 19. adjustment frame; 20. exhaust pipe. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0026] Embodiment 1: A gasifier coal adding assembly, such as Figure 1-Figure 4As shown, it includes a coal storage box 1, a furnace body 3, and a coal feeding pipeline 2 fixedly arranged between the coal storage box 1 and the furnace body 3, an exhaust pipe 20 is arranged on the outside of the coal feeding pipeline 2, at least two sealing baffles 6 are plugged and arranged on the outside of the coal feeding pipeline 2, the exhaust pipe 20 is located between the two sealing baffles 6, the sealing baffle 6 extends to the inside of the coal feeding pipeline 2, a movable connecting frame 5 is fixedly connected to the outside of the sealing baffle 6, a movable tooth block 7 is fixedly connected to the upper end of the movable connecting frame 5, a sealing support frame 4 is plugged into the movable tooth block 7, and the movable connecting frame 5 and the sealing baffle 6 are both Located inside the moving tooth block 7, the sealing baffle 6 and the outer side of the moving connecting frame 5 and the upper half of the moving connecting frame 5 are fixedly provided with sealing gaskets. The two moving tooth blocks 7 are respectively meshed and connected with the first rotating gear 8 and the second rotating gear 9. The first rotating gear 8 and the second rotating gear 9 are respectively controlled. When the device is running, the pressure change caused by the flow of coal from the coal storage box 1 to the inside of the furnace body 3 is reduced by moving the two sealing baffles 6 respectively and under the support of the exhaust of the exhaust pipe 20. Specifically, by controlling the second rotating gear 9 The movable tooth block 7 near the side of the coal storage box 1 moves under the limit support of the sealing support frame 4, and the movement of the movable tooth block 7 can drive the movable connecting frame 5 and the sealing baffle 6 below to move upward, thereby releasing the sealing blocking effect of the sealing baffle 6 on the inside of the coal feeding pipe 2, so that the coal can automatically move to the furnace body 3 under the inclination of the coal storage box 1 and the coal feeding pipe 2, and then the second rotating gear 9 is reversed to drive the movable tooth block 7, the sealing baffle 6 and the movable connecting frame 5 to reset, and the inside of the coal storage box 1 is sealed and blocked again, and then the air extraction pipe 20 is connected to the outer exhaust device to extract the air between the two sealing baffles 6 inside the coal storage box 1, and then the first rotating gear 8 is rotated to drive the sealing baffle 6 near the side of the furnace body 3 to release the sealing blocking effect on the inside of the coal storage box 1, so that the coal in the middle flows into the furnace body 3, thereby extracting the air around the coal to prevent the outer air from moving into the furnace body 3 along with the transportation of the coal, thereby improving the stability of the internal pressure of the furnace body 3.

[0027] like Figure 1-Figure 4As shown, a first rotating cylinder 10 is plugged into one side of the first rotating gear 8 and extends out of the outside thereof, a rotating connecting rod 11 is plugged into one side of the first rotating cylinder 10 and extends out of the outside thereof, a rotating connecting rod 11 is fixedly connected to a rotating plug-in plate 13 at one end thereof, the rotating plug-in plate 13 is plugged into the first rotating cylinder 10 through a first plug-in slot 15, the first plug-in slot 15 is provided on the inner wall of the first rotating cylinder 10, a rotating motor 12 is fixedly connected to one end of the rotating connecting rod 11, a servo motor 18 is fixedly connected to the lower portion of the rotating motor 12, a sliding support frame is provided at one side of the servo motor 18, and a sliding support frame is provided at one end of the servo motor 18. Under the rotational support of the rotating motor 12, the rotating plug-in plate 13 is simultaneously rotated under the connection of the rotating connecting rod 11, so that the first rotating cylinder 10 is rotated under the limitation of the rotating plug-in plate 13 by the first plug-in slot 15, and the rotational support of the first rotating gear 8 can be guaranteed. Furthermore, under the moving support of the servo motor 18, the position of the rotating motor 12, the rotating connecting rod 11 and the rotating plug-in plate 13 is adjusted, so that the rotating plug-in plate 13 is released from the limiting connection with the first plug-in slot 15.

[0028] like Figure 1-Figure 4 As shown, the second rotating gear 9 is plugged with a rotating column 14, the rotating column 14 is rotatably connected to the coal storage box 1, the rotating column 14 is rotatably connected to the rotating support frame 17 and extends into the interior thereof, the first rotating cylinder 10 and the rotating connecting rod 11 are both plugged with the rotating support frame 17 and extend into the interior thereof, and the rotating support frame 17 supports the rotating columns 14 on both sides and the first rotating cylinder 10 for rotation, and the first rotating cylinder 10 and the rotating column 14 are set to be non-contact, so as to ensure the stability of the devices on both sides when they rotate separately.

[0029] Embodiment 2: A gasifier coal adding assembly, such as Figure 1-Figure 4 As shown, a second plug-in groove 16 is provided on one side of the rotating column 14 located inside the rotating support frame 17, and the second plug-in groove 16 is plugged into the rotating plug-in plate 13. The rotating support frame 17 is fixedly arranged on the outside of the coal-feeding pipeline 2. The rotating plug-in plate 13 is further moved to be plugged into the second plug-in groove 16, and then the rotating plug-in plate 13 is rotated to achieve the effect of rotating the rotating column 14 under the limit of the rotating support frame 17, thereby driving the movable limit sealing component to move and adjust. At the same time, when the specifications of the limit connecting components are consistent, the number of rotations of the rotating plug-in plate 13 on the two limit components is consistent, thereby ensuring the stability of the moving plug-in of the rotating plug-in plate 13.

[0030] like Figure 1-Figure 4As shown, an adjustment frame 19 is provided on one side of the coal storage box 1 close to the coal feeding pipe 2. The adjustment frame 19 is used to adjust the size of the coal flow opening. By adjusting the height of the adjustment frame 19, the circulation speed of the coal inside the coal storage box 1 can be adjusted, thereby improving the timely adjustment of the coal circulation speed.

[0031] Working principle: by moving the two sealing baffles 6 respectively and under the support of the exhaust of the exhaust pipe 20, the pressure change caused by the flow of coal from the coal storage box 1 to the furnace body 3 is reduced. Specifically, by rotating the second rotating gear 9, the moving tooth block 7 close to the side of the coal storage box 1 is moved under the limit support of the sealing support frame 4, and the movement of the moving tooth block 7 can drive the movable connecting frame 5 and the sealing baffle 6 below to move upward, thereby releasing the sealing blocking effect of the sealing baffle 6 on the inside of the coal feeding pipeline 2, so that the coal can be automatically moved to the furnace body 3 under the inclination of the coal storage box 1 and the coal feeding pipeline 2, and then the second rotating gear 9 is rotated. The first gear 8 is rotated to drive the sealing baffle 6 on the side of the furnace body 3 to release the sealing effect on the inside of the coal storage box 1, so that the coal in the middle flows into the furnace body 3, thereby extracting the air around the coal and preventing the outside air from moving into the furnace body 3 along with the transportation of the coal, thereby improving the stability of the internal pressure of the furnace body 3.

[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A coal-feeding assembly for a gasifier, comprising a coal storage box (1), a furnace body (3), and a coal-feeding pipeline (2) fixedly arranged between the coal storage box (1) and the furnace body (3), characterized in that: An exhaust pipe (20) is arranged on the outside of the coal-feeding pipeline (2). At least two sealing baffles (6) are inserted and arranged on the outside of the coal-feeding pipeline (2). The exhaust pipe (20) is located between the two sealing baffles (6). The sealing baffle (6) extends into the inside of the coal-feeding pipeline (2). A movable connecting frame (5) is fixedly connected to the outside of the sealing baffle (6). A movable tooth block (7) is fixedly connected to the upper end of the movable connecting frame (5). A sealing support frame (4) is inserted into the movable tooth block (7). The movable connecting frame (5) and the sealing baffle (6) are both located inside the movable tooth block (7). Sealing gaskets are fixedly arranged on the sealing baffle (6) and the outside of the movable connecting frame (5) and the upper half of the movable connecting frame (5). The two movable tooth blocks (7) are respectively meshed and connected with a first rotating gear (8) and a second rotating gear (9). The first rotating gear (8) and the second rotating gear (9) are respectively controlled.

2. A gasifier coal adding assembly according to claim 1, characterized in that: A first rotating cylinder (10) is inserted into one side of the first rotating gear (8) and extends out of the outside thereof, and a rotating connecting rod (11) is inserted into one side of the first rotating cylinder (10) and extends out of the outside thereof.

3. A gasifier coal adding assembly according to claim 2, characterized in that: One end of the rotating connecting rod (11) is fixedly connected to a rotating plug-in plate (13), and the rotating plug-in plate (13) is plugged into the first rotating cylinder (10) through a first plug-in groove (15), and the first plug-in groove (15) is provided on the inner wall of the first rotating cylinder (10).

4. A gasifier coal charging assembly according to claim 2, characterized in that: One end of the rotating connecting rod (11) is fixedly connected to a rotating motor (12), a servo motor (18) is fixedly connected below the rotating motor (12), and a sliding support frame is provided on one side of the servo motor (18).

5. The coal-feeding assembly for a gasifier according to claim 3, characterized in that: The second rotating gear (9) is plugged with a rotating column (14), and the rotating column (14) is rotatably connected to the coal storage box (1).

6. A gasifier coal charging assembly according to claim 5, characterized in that: The rotating column (14) is rotatably connected to a rotating support frame (17) and extends into the interior thereof; the first rotating cylinder (10) and the rotating connecting rod (11) are both plugged into the rotating support frame (17) and extend into the interior thereof.

7. A gasifier coal charging assembly according to claim 6, characterized in that: A second plug-in slot (16) is provided on one side of the rotating column (14) located inside the rotating support frame (17), and the second plug-in slot (16) is plugged into the rotating plug-in plate (13). The rotating support frame (17) is fixedly arranged on the outside of the coal-feeding pipeline (2).

8. The coal-feeding assembly for a gasifier according to claim 1, characterized in that: An adjustment frame (19) is provided on one side of the coal storage box (1) close to the coal feeding pipeline (2), and the adjustment frame (19) is used to adjust the size of the coal flow opening.

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