Gasification furnace slag discharging device with anti-blocking function

Abstract

The utility model relates to the technical field of gasification furnaces, in particular to a gasification furnace slag discharge device with an anti-blocking function, which comprises a furnace body and a slag discharge cover, the slag discharge cover is arranged below the furnace body, the lower part of the slag discharge cover is designed into a conical structure, and the slag discharge cover is detachably connected with the furnace body, so that the slag discharge cover can be detached. A filter plate is fixed above the deslagging cover, the middle part of the filter plate is rotatably connected with a mounting shaft, a conveying auger is fixed at the lower end of the mounting shaft, the conveying auger is located at a discharge port at the lower end of the deslagging cover, and an auxiliary rod is fixed at the upper end of the mounting shaft. According to the gasification furnace slag discharging device with the anti-blocking function, the conveying auger can be driven to rotate through rotation of the mounting shaft, slag bodies can be taken out of the slag discharging cover to achieve slag discharging when the conveying auger rotates, slag discharging can be evenly conducted through rotation of the conveying auger, slag discharging can be stopped when rotation of the conveying auger is stopped, and the slag discharging efficiency is improved. And the blockage phenomenon occurring when the slag is discharged can also be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of gasifiers, in particular to a gasifier slag discharge device with anti-blocking function. Background Art

[0002] After the gasifier obtains energy through fuel combustion, the fuel will accumulate under the furnace body, and then the slag will be discharged through the slag discharge device or by opening the furnace body. The application number is CN202321249651.5, and a slag discharge device for a pulverized coal gasifier for synthetic ammonia production disclosed on October 20, 2023, includes an ash chamber, a slag crushing structure, a filtering structure, a guiding structure and a driving structure. The ash chamber has a accommodating chamber; the slag crushing structure is rotatably arranged in the accommodating chamber, and is used to crush a large volume of ash; the filtering structure is installed in the accommodating chamber and is arranged below the slag crushing structure, and is used to filter and guide the crushed ash; the guiding structure is rotatably arranged in the accommodating chamber and is arranged below the filtering structure, and is used to guide the ash filtered by the filtering structure out of the ash chamber; the driving structure is arranged in the accommodating chamber, and is used to drive the slag crushing structure and the guiding structure to rotate. The utility model provides a slag discharge device for a pulverized coal gasifier for synthetic ammonia production, which aims to solve the problem in the prior art that the lower ash outlet of the gasifier is easily blocked, resulting in poor slag discharge effect;

[0003] When the current slag discharge device discharges slag from the furnace body, the slag is easily accumulated at the slag discharge port to form a blockage, and the slag will be discharged quickly when the switch of the slag discharge port is controlled, which is not convenient for controlling the discharge amount and is not conducive to subsequent collection. In addition, it is easy to cause blockage when filtering the slag, which reduces the convenience of use of the slag discharge device and the slag discharge effect. Utility Model Content

[0004] The utility model aims to provide a gasification furnace slag discharge device with anti-clogging to solve the problems proposed in the above-mentioned background technology that slag is easily accumulated at the slag discharge port to form blockage, and it is inconvenient to control the discharge volume, and it is also easy to cause blockage when filtering the slag.

[0005] The slag collecting box is installed in the upper part of the furnace, and the lower part of the furnace is connected with the filter screen.

[0006] To further optimize the technical solution, an observation window is provided at the bottom of the furnace body to observe the slag residue on the filter plate.

[0007] To further optimize the technical solution, a mounting plate is fixed to the side of the slag discharge hood, a mounting piece is provided above the mounting plate, and a threaded connection is formed between the mounting piece and the furnace body to fix the connection between the slag discharge hood and the furnace body.

[0008] To further optimize the technical solution, a positioning column is fixed above the slag discharge cover, and a concave-convex matching structure is formed between the positioning column and the furnace body.

[0009] To further optimize the technical solution, the rotary drive mechanism includes a bevel gear, a transmission shaft and a turning handle;

[0010] Bevel gear, fixed to the surface of the mounting shaft;

[0011] The transmission shaft and the mounting shaft are arranged perpendicular to each other, and the transmission shaft and the mounting shaft are meshed with each other through the bevel gear, and a rotation connection is formed between the transmission shaft and the support seat;

[0012] The turning handle is fixed on the right end of the transmission shaft, and the turning handle is located outside the slag discharge cover.

[0013] To further optimize the technical solution, a knocking and vibration mechanism is provided below the filter plate, and the filter plate is made of an elastic material.

[0014] To further optimize the technical solution, the knocking vibration mechanism includes a connecting shell, a knocking block, a return spring, a magnetic block and an adsorption magnet;

[0015] A connecting shell is fixed on the outer side of the supporting seat;

[0016] A knocking block is arranged inside the connecting shell and between the connecting shells to form an up-and-down sliding structure;

[0017] A return spring is fixed under the knocking block to provide an upward thrust for the knocking block;

[0018] A magnetic block, fixed below the striking block;

[0019] The adsorption magnet is fixed on the outside of the installation shaft, and the adsorption magnet is located below the magnetic block and attracts the magnetic block, and the attraction between the adsorption magnet and the magnetic block is greater than the elastic force of the reset spring.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] (1) The slag discharge cover can be installed under the furnace body for use through the detachable connection between the slag discharge cover and the furnace body. The subsequent removal of the slag discharge cover also facilitates the cleaning of the slag remaining inside the furnace body, making the use more flexible;

[0022] (2) The slag is filtered through the filter plate, and the lever above the filter plate can move the slag above the filter plate to avoid clogging and ensure the filtering effect;

[0023] (3) The conveying auger can be driven to rotate by the rotation of the installation shaft. When the conveying auger rotates, the slag can be brought out of the slag discharge cover to discharge the slag. The slag discharge can be carried out evenly through the rotation of the conveying auger. Stopping the rotation of the conveying auger can stop the slag discharge, and can also avoid blockage when the slag is discharged;

[0024] (4) Slag discharge control can be achieved by manually controlling the rotation of the handle, and the lever can be turned to move the slag on the filter plate during slag discharge, which facilitates the filtration of the slag and makes the subsequent slag discharge more thorough. In addition, the slag discharge can be started and stopped by controlling the handle during slag discharge;

[0025] (5) The knocking effect of the knocking block can cause the filter plate to vibrate, so that the slag can be better filtered and the slag can be prevented from being blocked above the filter plate. The knocking of the knocking block can automatically operate with the rotation of the installation shaft without the need for an additional power source. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0027] Figure 2 This is a schematic diagram of the top view structure of the utility model;

[0028] Figure 3 This is a schematic diagram of the three-dimensional structure of the slag discharge cover of the utility model;

[0029] Figure 4 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0030] Figure 5This is a schematic diagram of the structure of the support seat of the utility model from a top view;

[0031] Figure 6 This is a schematic diagram of the main cross-sectional structure of the support seat of the utility model.

[0032] In the figure: 1. furnace body; 2. slag discharge cover; 3. mounting plate; 4. mounting part; 5. observation window; 6. positioning column; 7. filter plate; 8. mounting shaft; 9. conveying auger; 10. auxiliary rod; 11. toggle rod; 12. support seat; 13. fixing block; 14. bevel gear; 15. transmission shaft; 16. turning handle; 17. connecting shell; 18. knocking block; 19. reset spring; 20. magnetic block; 21. adsorption magnet. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0034] See also Figure 1-Figure 6 , the utility model provides the following technical solutions: a gasification furnace slag discharge device with anti-clogging, comprising a furnace body 1 and a slag discharge cover 2, the slag discharge cover 2 is installed below the furnace body 1;

[0035] Embodiment 1:

[0036] The present embodiment provides a technical solution, which discloses that the lower part of the slag discharge cover 2 is designed with a conical structure, and the slag discharge cover 2 and the furnace body 1 are detachably connected, so that the slag discharge cover 2 can be disassembled, a filter plate 7 is fixed on the upper part of the slag discharge cover 2, and a mounting shaft 8 is rotatably connected to the middle part of the filter plate 7, and a conveying auger 9 is fixed to the lower end of the mounting shaft 8, and the conveying auger 9 is located at the lower end discharge port of the slag discharge cover 2, an auxiliary rod 10 is fixed to the upper end of the mounting shaft 8, and a toggle rod 11 is fixed below the auxiliary rod 10 to toggle the slag on the filter plate 7, a support seat 12 is arranged inside the slag discharge cover 2, the mounting shaft 8 passes through the support seat 12 and the support seat 12 is rotatably connected, and a fixing block 13 is fixed to the outer side of the support seat 12, and the fixing block 13 is fixed to the side of the slag discharge cover 2 to provide support for the support seat 12, and a rotating drive mechanism is connected to the outer side of the mounting shaft 8;

[0037] The slag in the furnace body 1 will fall onto the filter plate 7 on the slag discharge hood 2, and the slag will be filtered by the filter plate 7 and gathered under the slag discharge hood 2. When slag discharge is needed later, the installation shaft 8 can be controlled to rotate to drive the conveying auger 9 to rotate, so as to convey the slag in the slag discharge hood 2 and discharge it, while maintaining the stability and continuity of the slag discharge. When the installation shaft 8 rotates, the auxiliary rod 10 and the toggle rod 11 will be driven to rotate to toggle the slag, thereby facilitating the filtering of the slag.

[0038] Embodiment 2:

[0039] On the basis of the first embodiment, an observation window 5 is provided at the bottom of the furnace body 1 to observe the slag residue on the filter plate 7, a mounting plate 3 is fixed to the side of the slag discharge cover 2, and a mounting member 4 is provided above the mounting plate 3, and a threaded connection is formed between the mounting member 4 and the furnace body 1 to fix the connection between the slag discharge cover 2 and the furnace body 1, a positioning column 6 is fixed above the slag discharge cover 2, and a concave-convex matching structure is formed between the positioning column 6 and the furnace body 1;

[0040] The slag body above the filter plate 7 can be cleaned by disassembling the slag discharge cover 2. When disassembling the slag discharge cover 2, the mounting part 4 can be rotated to release the threaded connection between the mounting part 4 and the furnace body 1. Then the slag discharge cover 2 can be removed from the bottom of the furnace body 1. At the same time, the positioning column 6 is disconnected from the furnace body 1. After the subsequent cleaning is completed, the slag discharge cover 2 can be installed.

[0041] Embodiment three:

[0042] On the basis of the first embodiment, a rotary drive mechanism is disclosed, which includes a bevel gear 14, a transmission shaft 15 and a turning handle 16. The bevel gear 14 is fixed on the surface of the mounting shaft 8. The transmission shaft 15 and the mounting shaft 8 are arranged perpendicular to each other, and the transmission shaft 15 is meshed with the mounting shaft 8 through the bevel gear 14, and a rotation connection is formed between the transmission shaft 15 and the support seat 12. The turning handle 16 is fixed to the right end of the transmission shaft 15, and the turning handle 16 is located on the outside of the slag discharge cover 2. A knocking vibration mechanism is arranged below the filter plate 7, and the filter plate 7 is made of elastic material. The knocking vibration mechanism includes a connecting shell 17, a knocking block 18, reset spring 19, magnetic block 20 and adsorption magnet 21, connecting shell 17, fixed on the outer side of supporting seat 12, knocking block 18, arranged inside connecting shell 17 and between connecting shell 17 to form an up-and-down sliding structure, reset spring 19, fixed below knocking block 18 to provide an upward thrust for knocking block 18, magnetic block 20, fixed below knocking block 18, adsorption magnet 21, fixed on the outer side of mounting shaft 8, and adsorption magnet 21 is located below magnetic block 20 and attracts magnetic block 20, and the attraction between adsorption magnet 21 and magnetic block 20 is greater than the elastic force of reset spring 19;

[0043] When controlling the installation shaft 8 to rotate, the turning handle 16 can be turned to drive the transmission shaft 15 to rotate. The transmission shaft 15 drives the installation shaft 8 to rotate through the bevel gear 14 to provide rotational power for the installation shaft 8. During the rotation of the installation shaft 8, the adsorption magnet 21 will be driven to move, so that the adsorption magnet 21 and the magnetic block 20 are intermittently relative to each other. When the adsorption magnet 21 is located below the magnetic block 20, the magnetic block 20 is attracted to make the knocking block 18 move downward. When the positions of the magnetic block 20 and the adsorption magnet 21 are staggered, the knocking block 18 moves upward under the action of the reset spring 19 to knock the filter plate 7, causing the filter plate 7 to vibrate and avoid clogging of the filter plate 7.

[0044] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0045] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A slag discharge device for a gasification furnace with anti-clogging function, comprising a furnace body (1) and a slag discharge cover (2), wherein the slag discharge cover (2) is installed below the furnace body (1); Features: The lower part of the slag discharge cover (2) is designed in a conical structure, and a detachable connection is formed between the slag discharge cover (2) and the furnace body (1), so that the slag discharge cover (2) can be disassembled. A filter plate (7) is fixed on the upper part of the slag discharge cover (2), and a mounting shaft (8) is rotatably connected to the middle part of the filter plate (7), and a conveying auger (9) is fixed to the lower end of the mounting shaft (8), and the conveying auger (9) is located at the lower end of the slag discharge cover (2). An auxiliary rod (10) is fixed to the upper end of the mounting shaft (8). , and a toggle rod (11) is fixed below the auxiliary rod (10) to toggle the slag on the filter plate (7), a support seat (12) is arranged inside the slag discharge cover (2), a mounting shaft (8) passes through the support seat (12) and a rotation connection is formed between the support seat (12), and a fixing block (13) is fixed on the outside of the support seat (12), the fixing block (13) is fixed on the side of the slag discharge cover (2) to provide support for the support seat (12), and a rotation drive mechanism is connected to the outside of the mounting shaft (8).

2. The gasification furnace slag removal device with anti-clogging according to claim 1, characterized in that: The bottom of the furnace body (1) is provided with an observation window (5) for observing the slag residue on the filter plate (7).

3. The gasification furnace slag removal device with anti-clogging according to claim 1, characterized in that: A mounting plate (3) is fixed to the side of the slag discharge cover (2), and a mounting member (4) is arranged above the mounting plate (3), and a threaded connection is formed between the mounting member (4) and the furnace body (1), thereby fixing the connection between the slag discharge cover (2) and the furnace body (1).

4. A gasification furnace slag removal device with anti-clogging according to claim 1 or 3, characterized in that: A positioning column (6) is fixed above the slag discharge cover (2), and a concave-convex matching structure is formed between the positioning column (6) and the furnace body (1).

5. The gasification furnace slag removal device with anti-clogging according to claim 1, characterized in that: The rotary drive mechanism comprises a bevel gear (14), a transmission shaft (15) and a turning handle (16); A bevel gear (14) is fixed on the surface of the mounting shaft (8); The transmission shaft (15) and the mounting shaft (8) are arranged perpendicular to each other, and the transmission shaft (15) and the mounting shaft (8) are meshed with each other through the bevel gear (14), and a rotation connection is formed between the transmission shaft (15) and the support seat (12); The turning handle (16) is fixed to the right end of the transmission shaft (15), and the turning handle (16) is located outside the slag discharge cover (2).

6. The gasification furnace slag removal device with anti-clogging according to claim 1, characterized in that: A knocking and vibration mechanism is arranged below the filter plate (7), and the filter plate (7) is made of elastic material.

7. The gasification furnace slag removal device with anti-clogging according to claim 6, characterized in that: The knocking vibration mechanism comprises a connecting shell (17), a knocking block (18), a return spring (19), a magnetic block (20) and an adsorption magnet (21); A connecting shell (17) is fixed on the outer side of the supporting base (12); A knocking block (18) is arranged inside the connecting shell (17) and between the connecting shell (17) to form an up-and-down sliding structure; A return spring (19) is fixed below the knocking block (18) to provide an upward thrust for the knocking block (18); A magnetic block (20) is fixed below the striking block (18); The adsorption magnet (21) is fixed on the outside of the mounting shaft (8), and the adsorption magnet (21) is located below the magnetic block (20) and attracts the magnetic block (20), and the attraction force between the adsorption magnet (21) and the magnetic block (20) is greater than the elastic force of the return spring (19).

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