Slag screening machine for household garbage incineration power plant

Abstract

The utility model discloses a slag screening machine for a household garbage incineration power plant, which comprises a blanking pipe and a magnetic suction screening mechanism, the blanking pipe is of a vertically arranged pipe body structure, the magnetic suction screening mechanism is arranged in the middle of the side surface of the blanking pipe, and a part of the structure of the magnetic suction screening mechanism is inserted into the blanking pipe. The slag falling from the discharging pipe is screened through the electromagnet, the electromagnet adsorbs metal in the slag, then the rotating motor controls the electromagnet to rotate into the screening bin, the metal part is left in the screening bin, and it is ensured that the discharging pipe is normally used after filter residues are removed; the problem that in the background technology, metal in slag is not screened, and consequently follow-up use is affected is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of slag screening, in particular to a slag screening machine for a domestic waste incineration power plant. Background Art

[0002] After burning garbage in domestic waste incinerators, a certain amount of slag is produced. Slag is a light gray boiler bottom ash. As the carbon content increases, the color becomes darker. The shape is irregular, angular honey-like particles, and the surface is mostly glassy. It is mainly non-combustible inorganic matter and some unburned combustible organic matter.

[0003] There is a part of metal in the existing slag. If the metal is not screened out, it will affect the subsequent use. Therefore, a slag screening machine for a domestic waste incineration power plant is proposed. Utility Model Content

[0004] The purpose of the utility model is to overcome the problem in the prior art that the metal in the slag is not screened, which affects the subsequent use. The utility model provides a slag screening machine for a domestic waste incineration power plant that uses a magnetic screening mechanism to screen the slag dropped from the discharge pipe to ensure the normal subsequent use of the filtered slag.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a slag screening machine for a domestic waste incineration power plant, including a discharge pipe and a magnetic screening mechanism. The discharge pipe is a vertically arranged tube structure, and the magnetic screening mechanism is arranged in the middle of the side of the discharge pipe, and a part of the structure of the magnetic screening mechanism is inserted into the discharge pipe.

[0006] Preferably, the magnetic screening mechanism includes a screening bin, a magnetic component, a transmission belt, a rotating motor, a supporting plate, a picking plate and a handle. The screening bin is arranged in the middle of the outer side surface of the discharge pipe, and the magnetic component is rotatably connected to the screening bin. A part of the magnetic component is located in the screening bin, and the magnetic component is arranged in the discharge pipe. There is a gap between the outer side surface of the magnetic component and the inner wall of the discharge pipe. The picking plate passes through the lower end of the outer side surface of the screening bin, the handle is arranged in the middle of the outer side surface of the picking plate, the supporting plate is arranged at the upper end of the inner wall side surface of the screening bin, the rotating motor is arranged on the top of the supporting plate, and the transmission belt is sleeved on the rotating motor and the magnetic component. The rotating motor controls the magnetic component to rotate in the discharge pipe and the screening bin through the transmission belt, and the outer side surface of the magnetic component will circulate in the screening bin and the discharge pipe.

[0007] Preferably, the magnetic attraction component includes an electromagnet and a supporting frame, the top of the supporting frame is arranged on the inner side of the transmission belt, four groups of plate structures are extended from the middle outer wall of the supporting frame, the plate structures are evenly distributed, and the electromagnet is arranged between the plate structures.

[0008] Preferably, fixing rods are symmetrically provided on the side surfaces of the inner wall of the screening bin, and scraping rods are provided on the side surfaces of the fixing rods, and the scraping rods are in contact with the outer side surfaces of the magnetic elements.

[0009] Preferably, a crushing bin is connected to the top of the discharge pipe, a support rod is symmetrically provided under the crushing bin, a pad is provided under the support rod, and a crushing rod is symmetrically rotated on the inner wall of the crushing bin.

[0010] Preferably, a connecting block is symmetrically provided in the middle of the outer side surface of the screening bin, and the connecting block is arranged in contact with the outer side surface of the support rod.

[0011] Preferably, guide plates are symmetrically provided on the top of the crushing bin, and the guide plates are arranged to be tilted downward toward the centers of the two groups of crushing rods. A limit plate is provided under the guide plate, and the limit plate is arranged vertically downward.

[0012] Preferably, a center ring is sleeved on the lower end of the outer side surface of the discharge pipe, connecting rods are evenly distributed on the outer side surface of the center ring, a side fixing ring is sleeved on the support rod, and the side fixing ring is connected to the connecting rod.

[0013] The beneficial effects of the utility model are:

[0014] The utility model adopts a magnetic suction screening mechanism, which utilizes an electromagnet to screen the slag falling from the discharge pipe. The electromagnet absorbs the metal in the slag, and then the rotating motor controls the electromagnet to rotate into the screening bin, leaving the metal part in the screening bin, ensuring that the discharge pipe removes the filter residue for subsequent normal use, and solves the problem in the background technology that the metal in the slag is not screened, resulting in an impact on subsequent use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a schematic diagram of the overall structure of a slag screening machine for a domestic waste incineration power plant.

[0016] Figure 2 yes Figure 1 A partial enlarged view of point A in the middle.

[0017] Figure 3 yes Figure 1 The overall structure diagram of the magnetic screening mechanism.

[0018] Figure 4 yes Figure 3 Diagram of the internal structure of the middle screening bin.

[0019] In the figure: 1. Feeding tube; 2. Magnetic screening mechanism; 3. Screening bin; 4. Magnetic part; 5. Transmission belt; 6. Rotating motor; 7. Carrying plate; 8. Retrieving plate; 9. Handle; 10. Electromagnet; 11. Carrying frame; 12. Fixing rod; 13. Scraping rod; 14. Crushing bin; 15. Support rod; 16. Pad; 17. Crushing rod; 18. Connecting block; 19. Guide plate; 20. Limiting plate; 21. Center ring; 22. Connecting rod; 23. Side fixing ring. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1-4 The technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort shall fall within the scope of protection of the present invention.

[0021] In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, specific orientation structure and operation, and therefore cannot be understood as a limitation on the present invention.

[0022] This embodiment provides a slag screening machine for a municipal solid waste incineration power plant, comprising a feed pipe 1 and a magnetic screening mechanism 2. The feed pipe 1 is a vertically arranged tube structure, and the magnetic screening mechanism 2 is arranged in the middle of the side of the feed pipe 1. A part of the structure of the magnetic screening mechanism 2 is inserted into the feed pipe 1.

[0023] In one embodiment, specifically, the magnetic screening mechanism 2 includes a screening bin 3, a magnetic component 4, a transmission belt 5, a rotating motor 6, a supporting plate 7, a feeding plate 8 and a handle 9. The screening bin 3 is arranged in the middle of the outer side surface of the discharge pipe 1, and the magnetic component 4 is rotatably connected to the screening bin 3. A part of the magnetic component 4 is located in the screening bin 3, and the magnetic component 4 is arranged in the discharge pipe 1. There is a gap between the outer side surface of the magnetic component 4 and the inner wall of the discharge pipe 1. The feeding plate 8 passes through the lower end of the outer side surface of the screening bin 3, the handle 9 is arranged in the middle of the outer side surface of the feeding plate 8, the supporting plate 7 is arranged at the upper end of the inner wall side surface of the screening bin 3, the rotating motor 6 is arranged on the top of the supporting plate 7, the transmission belt 5 is sleeved on the rotating motor 6 and the magnetic component 4, and the rotating motor 6 controls the magnetic component 4 to rotate in the discharge pipe 1 and the screening bin 3 through the transmission belt 5, and the outer side surface of the magnetic component 4 will circulate in the screening bin 3 and the discharge pipe 1.

[0024] In one embodiment, specifically, the magnetic attraction component 4 includes an electromagnet 10 and a supporting frame 11. The top of the supporting frame 11 is arranged on the inner side of the transmission belt 5. Four groups of plate structures are extended from the outer wall of the middle part of the supporting frame 11. The plate structures are evenly distributed, and the electromagnet 10 is arranged between the plate structures.

[0025] In one embodiment, specifically, a fixing rod 12 is symmetrically provided on the side of the inner wall of the screening bin 3, and a scraping rod 13 is provided on the side of the fixing rod 12. The scraping rod 13 contacts the outer side of the magnetic element 4, and the metal on the surface of the electromagnet 10 is scraped off by the scraping rod 13.

[0026] In one embodiment, specifically, a crushing bin 14 is connected to the top of the discharge pipe 1 , a support rod 15 is symmetrically provided below the crushing bin 14 , a pad 16 is provided below the support rod 15 , and a crushing rod 17 is symmetrically rotated on the inner wall of the crushing bin 14 .

[0027] In one embodiment, specifically, a connecting block 18 is symmetrically provided in the middle of the outer side surface of the screening bin 3, and the connecting block 18 is arranged in contact with the outer side surface of the support rod 15. The connecting block 18 is in contact with the support rod 15 to improve the stability of the screening bin 3 and prevent the screening bin 3 from shaking.

[0028] In one embodiment, specifically, a guide plate 19 is symmetrically provided on the top of the crushing bin 14, and the guide plate 19 is tilted downward toward the center of the two sets of crushing rods 17. A limit plate 20 is provided under the guide plate 19, and the limit plate 20 is set vertically downward to limit the position of the slag, facilitate the crushing of the slag, and avoid the slag accumulation in the crushing bin 14.

[0029] In one embodiment, specifically, a center ring 21 is sleeved on the lower end of the outer side surface of the discharge pipe 1, and connecting rods 22 are evenly distributed on the outer side surface of the center ring 21. A side fixing ring 23 is sleeved on the support rod 15, and the side fixing ring 23 is connected to the connecting rod 22 to improve the connection stability of the discharge pipe 1 and the support rod 15.

[0030] The working process of the slag screening machine for domestic waste incineration power plants in this embodiment is as follows: the slag is placed in the crushing bin 14, the crushing rod 17 crushes the slag, and then the slag falls into the discharge pipe 1, and at the same time the rotating motor 6 drives the transmission belt 5 to rotate, and the transmission belt 5 drives the electromagnet 10 and the supporting frame 11 to rotate, and the electromagnet 10 is started in the discharge pipe 1, and the metal in the slag is adsorbed by magnetic force, and then the electromagnet 10 rotates into the screening bin 3, and the electromagnet 10 is turned off, and the metal falls, and at the same time the scraping rod 13 scrapes the metal, and the adsorbed metal remains in the screening bin 3, completing the slag screening, and finally the staff removes the material plate 8 through the handle 9 to take out the metal in the screening bin 3.

[0031] The above content is merely an example and explanation of the structure of the present utility model. Technicians in this technical field may make various modifications or additions to the specific embodiments described or replace them in a similar manner. As long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, they should all fall within the scope of protection of the present utility model.

Claims

1. A slag screening machine for a domestic waste incineration power plant, characterized in that: The invention comprises a feeding tube (1) and a magnetic screening mechanism (2), wherein the feeding tube (1) is a vertically arranged tube structure, the magnetic screening mechanism (2) is arranged in the middle of the side of the feeding tube (1), and a part of the magnetic screening mechanism (2) is inserted into the feeding tube (1); The magnetic screening mechanism (2) comprises a screening bin (3), a magnetic element (4), a transmission belt (5), a rotating motor (6), a supporting plate (7), a material taking plate (8) and a handle (9); the screening bin (3) is arranged in the middle of the outer side surface of the discharge pipe (1); the magnetic element (4) is rotatably connected to the screening bin (3); a part of the magnetic element (4) is located in the screening bin (3); the magnetic element (4) is arranged in the discharge pipe (1); a gap exists between the outer side surface of the magnetic element (4) and the inner wall of the discharge pipe (1); the material taking plate (8) The handle (9) is provided at the middle of the outer side surface of the material taking plate (8), and the supporting plate (7) is provided at the upper end of the inner side surface of the screening bin (3). The rotating motor (6) is provided at the top of the supporting plate (7). The transmission belt (5) is sleeved on the rotating motor (6) and the magnetic element (4). The rotating motor (6) controls the magnetic element (4) to rotate in the discharge pipe (1) and the screening bin (3) through the transmission belt (5). The outer side surface of the magnetic element (4) will circulate in the screening bin (3) and the discharge pipe (1).

2. The slag screening machine for a domestic waste incineration power plant according to claim 1, characterized in that: The magnetic attraction component (4) includes an electromagnet (10) and a supporting frame (11). The top of the supporting frame (11) is arranged on the inner side of the transmission belt (5). Four groups of plate structures are extended from the outer side wall of the middle part of the supporting frame (11). The plate structures are evenly distributed, and the electromagnet (10) is arranged between the plate structures.

3. The slag screening machine for a domestic waste incineration power plant according to claim 2, characterized in that: A fixing rod (12) is symmetrically provided on the side surface of the inner wall of the screening bin (3), a scraping rod (13) is provided on the side surface of the fixing rod (12), and the scraping rod (13) is in contact with the outer side surface of the magnetic attraction member (4).

4. The slag screening machine for a domestic waste incineration power plant according to claim 1, characterized in that: A crushing bin (14) is connected to the top of the discharge pipe (1), a support rod (15) is symmetrically provided below the crushing bin (14), a pad (16) is provided below the support rod (15), and a crushing rod (17) is symmetrically rotated on the inner wall of the crushing bin (14).

5. The slag screening machine for a domestic waste incineration power plant according to claim 4, characterized in that: A connecting block (18) is symmetrically provided in the middle of the outer side surface of the screening bin (3), and the connecting block (18) is arranged in contact with the outer side surface of the support rod (15).

6. The slag screening machine for a domestic waste incineration power plant according to claim 4, characterized in that: A guide plate (19) is symmetrically provided on the top of the crushing bin (14), and the guide plate (19) is tilted downward toward the center of the two groups of crushing rods (17). A limit plate (20) is provided below the guide plate (19), and the limit plate (20) is vertically downward.

7. The slag screening machine for a domestic waste incineration power plant according to claim 6, characterized in that: A center ring (21) is sleeved on the lower end of the outer side surface of the discharge pipe (1), and connecting rods (22) are evenly distributed on the outer side surface of the center ring (21). A side fixing ring (23) is sleeved on the support rod (15), and the side fixing ring (23) is connected to the connecting rod (22).

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