A pelletizing and sintering device for laterite nickel ore

Abstract

This utility model relates to the field of sintering equipment technology and discloses a lateritic nickel ore pelletizing sintering device. The device includes: a support frame; a limiting shaft is inserted and installed above the support frame; a bracket is fixedly installed on the left side of the support frame; a conveying motor and a reducer are fixedly installed above the bracket; toothed discs are fixedly installed on both sides of the limiting shaft; the bottom end of a scraper is in contact with the bottom surface of the tray cavity, thereby scraping off the lateritic nickel ore powder adhering to the inner wall of the tray, causing it to roll inside the tray to form spheres when the tray rotates; a fixing rod restricts the position of the electric push rod; after the spherical lateritic nickel ore inside the tray reaches a suitable size, the electric push rod drives the inclined plate to move towards the bottom surface of the tray cavity, thereby scooping up the spherical lateritic nickel ore inside the tray and guiding it above the support plate. This method can reduce the probability of the spherical lateritic nickel ore being crushed during transportation.

Description

Technical Field

[0001] This utility model relates to the field of sintering equipment technology, specifically to a pelletizing and sintering device for laterite nickel ore. Background Technology

[0002] Lateritic nickel ore resources are surface weathering crust deposits formed by the weathering, leaching, and deposition of sulfide nickel ore rocks. The ore is pre-reduced and preheated through pelletizing and roasting of lateritic nickel ore, selectively reducing some nickel and iron.

[0003] The existing Chinese utility model patent with publication number CN221825888U discloses a sintering device. Addressing the issue that the furnace lid, when opened, is extremely hot, posing a safety hazard to workers handling sintered materials and increasing the device's effectiveness, the following solution is proposed: two sets of symmetrically arranged support legs; a protective mechanism mounted on the furnace body to shield the furnace lid; and a stirring mechanism mounted on the furnace body to stir the materials inside the furnace. This utility model effectively shields the furnace lid, preventing workers from accidentally touching the hot surface of the lid while handling sintered materials, thus avoiding potential burns and improving safety and usability.

[0004] Currently, laterite nickel ore is generally formed into pellets by a pelletizing machine and then sintered in a sintering furnace. Before entering the sintering furnace, the laterite nickel ore pellets may break due to factors such as bumps during transportation and impacts during feeding, which may cause them to break and fail to maintain their pellet state, affecting the pelletizing effect. Furthermore, the transfer process will reduce production efficiency. Utility Model Content

[0005] (a) Technical problems to be solved

[0006] To address the shortcomings of existing technologies, this utility model provides a pelletizing and sintering device for laterite nickel ore, which has the advantages of maintaining the laterite nickel ore in a pellet state before sintering and improving production efficiency, thus solving the aforementioned technical problems.

[0007] (II) Technical Solution

[0008] To achieve the above objectives, this utility model provides the following technical solution: a pelletizing and sintering device for laterite nickel ore, comprising: a support frame, a limiting shaft inserted above the support frame, a bracket fixedly installed on the left side of the support frame, a conveyor motor and a reducer fixedly installed above the bracket, toothed discs fixedly installed on both sides of the limiting shaft, a chain meshing with the outer side of the toothed discs, a support plate fixedly installed above the chain, a heating frame fixedly installed above the support frame, and a diverter pipe fixedly installed above the heating frame. A burner is fixedly installed at the bottom end of the distributor pipe. A baffle is fixedly installed inside the heating frame. A fixed frame is fixedly installed on the right side of the support frame. A drive motor is fixedly installed above the fixed frame. A tray is inserted through the top of the fixed frame. A limit rod is fixedly installed above the fixed frame. A scraper is fixedly installed on the outside of the limit rod. A fixed rod is fixedly installed at the top end of the fixed frame. An electric push rod is inserted through the top of the fixed rod. An inclined plate is fixedly installed at the bottom end of the electric push rod. The electric push rod can drive the inclined plate to move.

[0009] As a preferred embodiment of this utility model, the limiting shaft is symmetrically installed on the front and rear top ends of the support frame, and the limiting shaft and the support frame form a rotatable connection; the limiting shaft can limit the position of the toothed plate.

[0010] As a preferred embodiment of this utility model, the rotating shaft of the conveying motor is fixedly connected to the power input end of the reducer, and the power output end of the reducer is fixedly connected to the left end of the front limiting shaft of the support frame; the reducer enables the limiting shaft to rotate with high torque.

[0011] As a preferred embodiment of this utility model, the support plate is fixed to the outside of the chain pin, the bottom end of the diverter tube passes through the heating frame and is located inside the heating frame; the chain can drive the support plate to move.

[0012] As a preferred embodiment of this utility model, the burner is fixedly installed at each opening at the bottom of the diverter pipe, and a speed reducer is also fixedly installed above the mounting bracket. The drive motor is fixedly connected to the power input end of the speed reducer above the mounting bracket; the drive motor can drive the tray to rotate through the speed reducer.

[0013] As a preferred embodiment of this utility model, a cylindrical protrusion is provided at the center of the bottom end of the tray, the tray and the fixed frame are rotatably connected, and the output end of the reducer above the tray and the fixed frame is fixedly connected; the tray can rotate to form laterite nickel ore powder into spheres.

[0014] As a preferred embodiment of this utility model, the end of the scraper contacts the bottom surface of the tray cavity, and the inclined plate is movably connected to the fixed rod via an electric push rod; the inclined plate can guide the spherical laterite nickel ore to move above the support plate.

[0015] Compared with the prior art, this utility model provides a pelletizing and sintering device for laterite nickel ore, which has the following beneficial effects:

[0016] 1. This utility model utilizes a pallet design. The pallet is installed at an angle above a support plate via a fixing frame. When the drive motor drives the reducer, the pallet rotates under the drive of the reducer. The limiting rod restricts the position of the scraper, ensuring that the bottom end of the scraper remains in contact with the bottom surface of the pallet's inner cavity. This scrapes off the laterite nickel ore powder adhering to the inner wall of the pallet, causing it to roll inside the pallet and form spheres as the pallet rotates. The fixing rod restricts the position of the electric push rod. Once the spherical laterite nickel ore inside the pallet reaches a suitable size, the electric push rod drives the inclined plate to move towards the bottom surface of the pallet's inner cavity, thereby scooping up the spherical laterite nickel ore inside the pallet and guiding it to the top of the support plate. This method reduces the probability of the spherical laterite nickel ore being crushed during transportation.

[0017] 2. This utility model, through the setting of the conveyor motor and the restriction of the position of the limiting shaft by the support frame, enables the toothed discs installed on both sides of the limiting shaft to maintain engagement with the chain, preventing the chain from slipping off. The bracket supports the conveyor motor and the reducer, so that the output end of the reducer can be fixedly connected to the limiting shaft on the front side of the support frame. When the conveyor motor drives the reducer, the reducer can drive the limiting shaft to rotate at low speed and high torque. The toothed discs on the outside of the limiting shaft drive the chain to rotate. When the chain rotates, the support plate on the outside of the pin can drive the material through the inside of the heating frame for sintering. This method can directly transport the spherical laterite nickel ore discharged from the tray to the bottom of the burner for sintering, reducing transportation steps and improving production efficiency. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the support plate installation structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the burner installation structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the tray installation structure of this utility model;

[0022] The components are as follows: 1. Support frame; 11. Limiting shaft; 12. Bracket; 13. Conveyor motor; 14. Reducer; 15. Gear sprocket; 16. Chain; 17. Support plate; 18. Heating frame; 19. Diverter pipe; 110. Burner; 111. Baffle; 112. Fixing frame; 113. Drive motor; 114. Tray; 115. Limiting rod; 116. Scraper; 117. Fixing rod; 118. Electric actuator; 119. Inclined plate. Detailed Implementation

[0023] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0024] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0026] Please see Figure 1 - Figure 4In this embodiment, a laterite nickel ore pelletizing and sintering device includes: a support frame 1, a limiting shaft 11 inserted above the support frame 1, a bracket 12 fixedly installed on the left side of the support frame 1, a conveyor motor 13 and a reducer 14 fixedly installed above the bracket 12, toothed discs 15 fixedly installed on both sides of the limiting shaft 11, a chain 16 meshing with the outer side of the toothed discs 15, a support plate 17 fixedly installed above the chain 16, a heating frame 18 fixedly installed above the support frame 1, a diverter pipe 19 fixedly installed above the heating frame 18, and a bottom end of the diverter pipe 19 fixedly installed... The heating frame 18 is equipped with a burner 110 and a baffle 111 is fixedly installed inside it. A fixed frame 112 is fixedly installed on the right side of the support frame 1. A drive motor 113 is fixedly installed on the top of the fixed frame 112. A tray 114 is inserted through the top of the fixed frame 112. A limit rod 115 is fixedly installed on the top of the fixed frame 112. A scraper 116 is fixedly installed on the outside of the limit rod 115. A fixed rod 117 is fixedly installed at the top of the fixed frame 112. An electric push rod 118 is inserted through the top of the fixed rod 117. An inclined plate 119 is fixedly installed at the bottom of the electric push rod 118.

[0027] The limiting shafts 11 are symmetrically installed on the front and rear top ends of the support frame 1, forming a rotatable connection between the limiting shafts 11 and the support frame 1. The rotating shaft of the conveyor motor 13 is fixedly connected to the power input end of the reducer 14, and the power output end of the reducer 14 is fixedly connected to the left end of the limiting shaft 11 on the front side of the support frame 1. The support plate 17 is fixed to the outside of the pin of the chain 16. The bottom end of the diversion pipe 19 passes through the heating frame 18 and is located inside the heating frame 18. The burner 110 is fixedly installed at each opening at the bottom end of the diversion pipe 19. A reducer 14 is also fixedly installed above the fixed frame 112. The drive motor 113 is fixedly connected to the power input end of the reducer 14 above the fixed frame 112. A cylindrical protrusion is provided at the center of the bottom end of the tray 114. The tray 114 and the fixed frame 112 are rotatably connected. The tray 114 is fixedly connected to the output end of the reducer 14 above the fixed frame 112. The end of the scraper 116 contacts the bottom surface of the inner cavity of the tray 114. The inclined plate 119 is movably connected to the fixed rod 117 through the electric push rod 118.

[0028] Specifically, the conveyor motor 13 and drive motor 113 are both MDMAC42C3GA, the reducer 14 is a ZQH500, the burner 110 is a ZDD-125, and the electric actuator 118 is an NKLA22B. The position of the limiting shaft 11 is restricted by the support frame 1, so that the toothed discs 15 mounted on both sides of the limiting shaft 11 can remain engaged with the chain 16, preventing the chain 16 from slipping off. The bracket 12 supports the conveyor motor 13 and the reducer 14, so that the output end of the reducer 14 can connect with the support. The limiting shaft 11 on the front side of the support frame 1 is fixedly connected. When the conveying motor 13 drives the reducer 14, the reducer 14 can drive the limiting shaft 11 to rotate at low speed and high torque. The chain 16 is driven to rotate through the toothed disc 15 on the outside of the limiting shaft 11. When the chain 16 rotates, the support plate 17 on the outside of the pin can drive the material through the heating frame 18. The heating frame 18 can reduce heat loss. The fuel is delivered to each burner 110 through the diversion pipe 19 installed above the heating frame 18 to facilitate the operation of the burner 110. The burner 110 generates downward The flame heats the spherical lateritic nickel ore, causing it to sinter. A baffle 111 prevents the flame from affecting the chain 16. A fixing frame 112 restricts the position of the tray 114. A central cylindrical protrusion at the bottom of the tray 114 is rotatably connected to the fixing frame 112 via a bearing. The bottom end of the cylindrical protrusion is fixedly connected to the output end of the reducer 14 above the fixing frame 112. When the drive motor 113 drives the reducer 14, the tray 114 rotates under the drive of the reducer 14. A limit rod 115 restricts the scraper. Position 116 ensures that the bottom end of scraper 116 is in contact with the bottom surface of the inner cavity of tray 114, thereby scraping off the laterite nickel ore attached to the inner wall of tray 114 and causing it to roll inside tray 114 as tray 114 rotates. Fixing rod 117 can limit the position of electric push rod 118. After the spherical laterite nickel ore inside tray 114 reaches the appropriate size, electric push rod 118 drives inclined plate 119 to move towards the bottom surface of inner cavity of tray 114, thereby scooping up the spherical laterite nickel ore inside tray 114 and guiding it above support plate 17.

[0029] In use, the tray 114 is tilted and mounted above the support plate 17 via the fixing frame 112. When the drive motor 113 drives the reducer 14, the tray 114 rotates under the drive of the reducer 14. The limiting rod 115 can limit the position of the scraper 116, so that the bottom end of the scraper 116 is in contact with the bottom surface of the inner cavity of the tray 114, thereby scraping off the laterite nickel ore powder attached to the inner wall of the tray 114. When the tray 114 rotates, it rolls inside the tray 114 to form spheres. The fixing rod 117 can limit the position of the electric push rod 118. After the spherical laterite nickel ore inside the tray 114 reaches a suitable size, the electric push rod 118 drives the inclined plate 119 to move towards the bottom surface of the inner cavity of the tray 114, thereby scooping up the spherical laterite nickel ore inside the tray 114 and guiding it above the support plate 17. This method can reduce the spherical laterite nickel ore. The probability of ore crushing during transportation is reduced by limiting the position of the limiting shaft 11 through the support frame 1, so that the toothed discs 15 installed on both sides of the limiting shaft 11 can maintain engagement with the chain 16 and prevent the chain 16 from slipping. The bracket 12 supports the conveyor motor 13 and the reducer 14 so that the output end of the reducer 14 can be fixedly connected to the limiting shaft 11 on the front side of the support frame 1. When the conveyor motor 13 drives the reducer 14, the reducer 14 can drive the limiting shaft 11 to rotate at low speed and high torque. The toothed discs 15 on the outside of the limiting shaft 11 drive the chain 16 to rotate. When the chain 16 rotates, the support plate 17 on the outside of the pin can drive the material through the heating frame 18 for sintering. This method can directly transport the spherical laterite nickel ore discharged from the tray 114 to the bottom of the burner 110 for sintering, reducing transportation steps and improving production efficiency.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An apparatus for agglomerating and sintering laterite nickel ore, characterized by, include: A support frame (1) is provided, with a limiting shaft (11) inserted above it. A bracket (12) is fixedly installed on the left side of the support frame (1). A conveyor motor (13) and a reducer (14) are fixedly installed above the bracket (12). A geared sprocket (15) is fixedly installed on both sides of the limiting shaft (11). A chain (16) is meshed on the outer side of the geared sprocket (15). A support plate (17) is fixedly installed above the chain (16). A heating frame (18) is fixedly installed above the support frame (1). A diverter pipe (19) is fixedly installed above the heating frame (18). A burner (110) is fixedly installed at the bottom end of the diverter pipe (19). A baffle (111) is fixedly installed inside the heating frame (18). A fixed frame (112) is fixedly installed on the right side of the support frame (1). A drive motor (113) is fixedly installed above the fixed frame (112). A tray (114) is inserted through the fixed frame (112). A limit rod (115) is fixedly installed above the fixed frame (112). A scraper (116) is fixedly installed on the outside of the limit rod (115). A fixed rod (117) is fixedly installed at the upper end of the fixed frame (112). An electric push rod (118) is inserted through the upper part of the fixed rod (117). An inclined plate (119) is fixedly installed at the bottom end of the electric push rod (118).

2. The pelletizing and sintering apparatus for laterite nickel ore according to claim 1, characterized in that: The limiting shaft (11) is symmetrically installed on the front and rear top ends of the support frame (1), and the limiting shaft (11) and the support frame (1) form a rotatable connection.

3. The pelletizing and sintering apparatus for laterite nickel ore according to claim 1, characterized in that: The rotating shaft of the conveyor motor (13) is fixedly connected to the power input end of the reducer (14), and the power output end of the reducer (14) is fixedly connected to the left end of the front limiting shaft (11) of the support frame (1).

4. The pelletizing and sintering apparatus for laterite nickel ore according to claim 1, characterized in that: The support plate (17) is fixed to the outside of the pin of the chain (16), and the bottom end of the diverter (19) passes through the heating frame (18) and is located inside the heating frame (18).

5. The pelletizing and sintering apparatus for laterite nickel ore according to claim 1, characterized in that: The burner (110) is fixedly installed at each opening at the bottom of the split pipe (19). A reducer (14) is also fixedly installed above the mounting bracket (112). The drive motor (113) is fixedly connected to the power input end of the reducer (14) above the mounting bracket (112).

6. The pelletizing and sintering apparatus for laterite nickel ore according to claim 1, characterized in that: A cylindrical protrusion is provided at the center of the bottom end of the tray (114). The tray (114) and the fixed frame (112) are rotatably connected, and the tray (114) is fixedly connected to the output end of the reducer (14) above the fixed frame (112).

7. The pelletizing and sintering apparatus for laterite nickel ore according to claim 1, characterized in that: The end of the scraper (116) contacts the bottom surface of the inner cavity of the tray (114), and the inclined plate (119) is movably connected to the fixed rod (117) through the electric push rod (118).

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