Nickel ore roasting equipment with automatic feeding structure

Abstract

The invention discloses nickel ore roasting equipment with an automatic feeding structure, and relates to the technical field of nickel ore roasting, and the nickel ore roasting equipment comprises a supporting column and a proportioning feeding assembly. In the using process, the batching barrel is composed of the fixed upper barrel embedded in the upper disc and the movable lower barrel embedded in the lower disc, the volume of the batching barrel is changed by adjusting the distance between the opposite faces of the lower disc and the upper disc, and the requirement for adjusting the number of mixed ingredients put in a single time at a certain mixing ratio is met; the height sensor located at the bottom of the mixed material channel can sense and control the gate valves corresponding to the batching bins on the two sides to be closed, quantitative feeding of mixed ingredients according to a certain proportion is achieved, the feeding requirement of single or mixed ingredients is met through cooperation of the proportioning and feeding assembly and the lifting assembly, the adjusting requirement of the mixing proportion of different ingredients is met, and the production efficiency is improved. And the requirement for adjusting the single-time feeding amount on the basis of a certain proportion is met, and accurate feeding of the ingredients according to the proportion requirement can be achieved.

Description

Technical Field

[0001] The invention relates to the technical field of nickel ore roasting, in particular to nickel ore roasting equipment with an automatic material feeding structure. Background Art

[0002] Laterite nickel ore resources are surface weathering crust deposits formed by weathering, leaching and deposition of nickel sulfide ore rock masses. The processing techniques of laterite nickel ore can be divided into two types: wet processing and pyroprocessing. Laterite nickel ore is suitable for pyroprocessing, that is, adding a certain amount of limestone and coal powder to the laterite nickel ore according to the ratio, and then using a kiln to carry out high-temperature roasting of the laterite nickel ore and the ingredients to facilitate the subsequent processing of the laterite nickel ore.

[0003] Since nickel ore needs to be added with limestone, coal powder and other different ingredients according to the proportion when roasting, and the existing roasting equipment can only add materials through the kiln drum of the rotary kiln, it is impossible to add materials quantitatively, so it is easy to have improper proportions when adding materials.

[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a nickel ore roasting equipment with an automatic feeding structure is proposed. Summary of the invention

[0005] The object of the present invention is to provide a nickel ore roasting device with an automatic feeding structure to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a nickel ore roasting equipment with an automatic feeding structure, comprising a pillar and a proportioning feeding component, wherein the proportioning feeding component is fixed at one end of the pillar away from the inner recess of the "L"-shaped structure, and the proportioning feeding component comprises a Y-shaped bracket, a batching bin, a mixing channel, a height sensor, a guide bar, a frame, a control cylinder and a gate valve, wherein the two branches at the top of the Y-shaped bracket are the batching bins, and the straight cylinder at the bottom of the Y-shaped bracket is the mixing channel, and the bottom opening of the mixing channel is provided with a height sensor, and the guide bars are symmetrically provided at the connection between the mixing channel and the batching bins on both sides, and the outer side of the guide bars is correspondingly fixed with a frame, the outer side of the frame is bolted with a control cylinder, and the output end of the control cylinder is fixedly connected with a gate valve, the gate valve and the guide bar limit cooperate to realize the on-off control of the batching bin and the mixing channel, and the gate valve adjusts the amount of powder flowing into the mixing channel per unit time from the batching bins on both sides by controlling the opening ratio.

[0007] Furthermore, a rotating assembly is rotatably installed at the bottom of the pillar, and the rotating assembly includes a motor, a transmission belt and a sleeve. The motor is fixed to the other end of the pillar close to the inner recess of the "L"-shaped structure, and the pulley at the output end of the motor is sleeved with a transmission belt. The transmission belt is rotatably transmitted to the end of the sleeve with a hollow structure away from the motor, and the sleeve is rotatably installed in the middle of the top plane of the pillar.

[0008] Furthermore, the rotating assembly also includes an upper plate and a fixed upper cylinder. The upper plate is coaxially fixed to the bottom of the sleeve, and the upper plate rotates with the bottom plane of the support through a slewing bearing. A fixed upper cylinder with openings at both ends is embedded on the surface of the upper plate, and the upper end opening of the fixed upper cylinder corresponds to the bottom end opening of the mixing channel.

[0009] Furthermore, the rotating assembly also includes a movable lower cylinder and a lower plate, the bottom of the fixed upper cylinder is nested with a movable lower cylinder with openings at both ends, and the movable lower cylinder is embedded in the surface of the lower plate, and the fixed upper cylinder on the surface of the upper plate drives the lower plate to rotate synchronously through the movable nesting with the movable lower cylinder.

[0010] Furthermore, the rotating assembly also includes a movable hinge, a base and a roller. A movable hinge is provided on one side of the bottom opening of the movable lower cylinder, and a base is rotatably installed at the bottom of the movable hinge. The base is sealed with the bottom opening of the movable lower cylinder, and a rotatably installed roller is provided at the end of the base.

[0011] Furthermore, a lifting component is fitted in the internal gap of the shaft sleeve, and the lifting component includes a lifting cylinder and a lifting plate. The lifting cylinder is fixed to the back side of the top plane of the pillar, and the output end of the lifting cylinder is fixedly connected to the lifting plate.

[0012] Furthermore, the lifting assembly also includes a core rod, and the bottom of the end of the lifting plate is fixedly connected with the core rod, and the outer diameter of the core rod is smaller than the inner diameter of the hole in the sleeve.

[0013] Furthermore, the lifting assembly also includes a cam and a bearing, the bottom end of the core rod is fixedly connected to a cam, and the cam structure is a convexity on one side gradually transitioning to a concaveness on the other side, the protruding part of the cam is flush with the bottom plane of the movable lower cylinder, and the concave part of the cam is higher than the bottom plane of the movable lower cylinder, and the bottom plane of the cam is in rolling cooperation with the roller, the top outer edge of the cam is provided with a bearing, and the cam is in rotation cooperation with the lower plate through the bearing.

[0014] Furthermore, the root of the support is fixed to the workbench, and a kiln tail smoke chamber is fixed on the top of the workbench, and a feed port is opened on the top of the kiln tail smoke chamber. The kiln tail smoke chamber is connected to one end of the cylinder, and the other end of the cylinder away from the kiln tail smoke chamber is rotatably connected to the kiln head hood.

[0015] Furthermore, wheel belts are fixed on both sides of the cylinder, and the wheel belts are rotatably matched with the corresponding supporting wheels at the bottom. A large gear ring is coaxially fixed to the middle of the cylinder, and the large gear ring is meshed with the small gear at the output end of the reducer for transmission.

[0016] The present invention provides a nickel ore roasting device with an automatic feeding structure, which has the following beneficial effects: 1. During the use of the present invention, limestone and coal powder are poured into the batching bins on both sides, and the batching bins on both sides are further connected with the batching cylinder with a variable volume composed of a fixed upper cylinder and a movable lower cylinder through a mixing channel. When in use, the gate valve and the guide bar limit cooperate to realize the on-off control of the batching bin and the mixing channel, which can not only meet the delivery demand of a single ingredient, but also further adjust the amount of powder flowing into the mixing channel per unit time from the batching bins on both sides by controlling the opening ratio of the gate valve, and can also meet the mixed delivery demand of the two materials under a certain mixing ratio. The mixing ratio of the two materials can be adjusted by adjusting the opening ratio of the gate valves on both sides to avoid improper proportioning in actual use.

[0017] 2. During the use of the present invention, the batching barrel of the present application is composed of a fixed upper barrel embedded in the upper plate and a movable lower barrel embedded in the lower plate. The volume of the batching barrel is changed by adjusting the relative surface distance between the lower plate and the upper plate to meet the adjustment of the quantity of mixed ingredients put in a single time under a certain mixing ratio. When the batching barrel is full of ingredients, the height sensor located at the bottom of the mixing channel will sense and control the closure of the gate valves corresponding to the batching bins on both sides to achieve quantitative delivery of mixed ingredients according to a certain ratio. Through the cooperation of the proportioning feeding component and the lifting component, it can meet the delivery needs of single or mixed ingredients, the adjustment needs of different mixing ratios of ingredients, and the adjustment needs of the single delivery amount based on a certain ratio. It can realize accurate delivery of ingredients according to the ratio requirements, and the adjustment is simple and has strong applicability.

[0018] 3. During the use of the present invention, the roller at the end of the base is transferred from the convex side of the cam to the concave side. The base loses the horizontal restriction of the cam, and the ingredients in the movable inner cylinder are forced to open by gravity at the predetermined unloading position, and are poured into the kiln tail smoke chamber through the feed port. The delivery of ingredients in this application does not require the control of an electromagnetic valve, but is automatically completed at the preset unloading position through the design coordination between mechanical structures. The structure is simple and the production and maintenance costs are low. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the device of the present invention; Figure 2 It is a schematic diagram of a partial three-dimensional structure of the device of the present invention; Figure 3 It is a schematic diagram of a partial cross-sectional structure of the device of the present invention; Figure 4 This is a schematic diagram of the structure of the proportioning and adding component of the present invention; Figure 5 It is a schematic diagram of the structure of the rotating assembly of the present invention; Figure 6 This is a schematic diagram of the movable lower cylinder structure of the present invention; Figure 7It is a schematic diagram of the structure of the lifting assembly of the present invention.

[0020] In the figure: 1. pillar; 2. proportioning and feeding component; 201. Y-shaped bracket; 202. batching bin; 203. mixing channel; 204. height sensor; 205. guide strip; 206. frame; 207. control cylinder; 208. gate valve; 3. rotating component; 301. motor; 302. transmission belt; 303. bushing; 304. upper plate; 305. fixed upper cylinder; 306. movable lower cylinder; 307. lower plate; 308. movable hinge; 309. bottom support; 310. roller; 4. lifting component; 401. lifting cylinder; 402. lifting plate; 403. core rod; 404. cam; 405. bearing; 5. workbench; 6. kiln tail smoke chamber; 7. feed inlet; 8. cylinder; 9. kiln head cover; 10. wheel belt; 11. support wheel; 12. large gear ring; 13. reducer. DETAILED DESCRIPTION

[0021] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following embodiments are used to illustrate the present invention but are not intended to limit the scope of the present invention. See also Figures 2 to 4 The present invention provides a technical solution: a nickel ore roasting device with an automatic feeding structure, comprising a support 1 and a proportioning feeding component 2, wherein the proportioning feeding component 2 is fixed at one end of the support 1 away from the inner notch of the "L"-shaped structure, and the proportioning feeding component 2 comprises a Y-shaped bracket 201, a batching bin 202, a mixing channel 203, a height sensor 204, a guide bar 205, a frame 206, a control cylinder 207 and a gate valve 208, wherein two branches at the top of the Y-shaped bracket 201 are the batching bin 202, and the straight cylinder at the bottom of the Y-shaped bracket 201 is the mixing channel 203, and the mixing channel 2 A height sensor 204 is provided at the bottom opening of 03, and guide bars 205 are symmetrically provided at the connection between the mixing channel 203 and the batching bins 202 on both sides, and a frame 206 is correspondingly fixed on the outside of the guide bars 205, and a control cylinder 207 is bolted to the outside of the frame 206, and a gate valve 208 is fixedly connected to the output end of the control cylinder 207, and the gate valve 208 and the guide bar 205 are limited to realize the on-off control of the batching bin 202 and the mixing channel 203, and the gate valve 208 adjusts the amount of powder flowing into the mixing channel 203 per unit time from the batching bins 202 on both sides by controlling the opening ratio; The specific operation is as follows: limestone and coal powder are poured into the batching bins 202 on both sides. The batching bins 202 on both sides are further connected to the variable-volume batching cylinder composed of a fixed upper cylinder 305 and a movable lower cylinder 306 through the mixing channel 203. When in use, the gate valve 208 and the guide bar 205 are limited to cooperate to realize the on-off control of the batching bin 202 and the mixing channel 203, which can not only meet the delivery demand of a single ingredient, but also further the gate valve 208 adjusts the amount of powder flowing into the mixing channel 203 per unit time from the batching bins 202 on both sides by controlling the opening ratio, and can also meet the mixed delivery demand of the two materials under a certain mixing ratio. By adjusting the opening ratio of the gate valves 208 on both sides, the mixing ratio of the two materials can be adjusted to avoid improper proportioning in actual use; See also Figures 5 and 6 A rotating assembly 3 is rotatably installed at the bottom of the pillar 1. The rotating assembly 3 includes a motor 301, a transmission belt 302 and a sleeve 303. The motor 301 is fixed to the other end of the pillar 1 close to the inner notch of the "L"-shaped structure, and the pulley at the output end of the motor 301 is sleeved with a transmission belt 302. The transmission belt 302 is rotated and transmitted at one end away from the motor 301. The sleeve 303 is rotatably installed in the middle of the top plane of the pillar 1. The rotating assembly 3 also includes an upper plate 304 and a fixed upper cylinder 305. The upper plate 304 is coaxially fixed at the bottom of the sleeve 303, and the upper plate 304 is rotatably matched with the bottom plane of the pillar 1 through a slewing bearing. A fixed upper cylinder 305 with openings at both ends is embedded on the surface of the upper plate 304, and the fixed upper cylinder 305 The upper opening corresponds to the bottom opening of the mixing channel 203. The rotating assembly 3 also includes a movable lower cylinder 306 and a lower plate 307. The movable lower cylinder 306 with openings at both ends is nested at the bottom of the fixed upper cylinder 305, and the movable lower cylinder 306 is embedded in the surface of the lower plate 307. The fixed upper cylinder 305 on the surface of the upper plate 304 drives the lower plate 307 to rotate synchronously through the movable nesting with the movable lower cylinder 306. The rotating assembly 3 also includes a movable hinge 308, a bottom support 309 and a roller 310. A movable hinge 308 is provided on one side of the bottom opening of the movable lower cylinder 306, and a bottom support 309 is rotatably installed at the bottom of the movable hinge 308. The bottom support 309 is sealed with the bottom opening of the movable lower cylinder 306, and a rotatably installed roller 310 is provided at the end of the bottom support 309. The specific operation is as follows. The batching barrel of the present application is composed of a fixed upper barrel 305 embedded in the upper plate 304 and a movable lower barrel 306 embedded in the lower plate 307. Because the movable lower barrel 306 is movably embedded in the bottom of the fixed upper barrel 305, the effective volume of the batching barrel can be changed by moving the movable lower barrel 306 up and down. On the basis of the above theory, the lifting cylinder 401 moves the core rod 403 at the bottom of the end of the lifting plate 402 up and down in the inner cavity of the middle hole of the shaft sleeve 303, and the volume of the batching barrel can be changed by adjusting the relative surface distance between the lower plate 307 and the upper plate 304 to meet a certain The amount of mixed ingredients added at a single time is adjusted under the mixing ratio. When the ingredients in the mixing barrel are full, the height sensor 204 at the bottom of the mixing channel 203 will sense and control the gate valves 208 corresponding to the mixing bins 202 on both sides to close, so as to achieve quantitative addition of mixed ingredients according to a certain ratio. Through the cooperation of the proportioning and adding component 2 and the lifting component 4, it can meet the needs of adding single or mixed ingredients, the adjustment needs of different mixing ratios of ingredients, and the adjustment needs of the single addition amount based on a certain ratio, so as to achieve accurate addition of ingredients according to the ratio requirements, with simple adjustment and strong applicability. See also Figure 7 , the internal clearance of the sleeve 303 is matched with a lifting component 4, the lifting component 4 includes a lifting cylinder 401 and a lifting plate 402, the lifting cylinder 401 is fixed to the back of the top plane of the pillar 1, and the output end of the lifting cylinder 401 is fixedly connected to the lifting plate 402, the lifting component 4 also includes a core rod 403, the bottom end of the lifting plate 402 is fixedly connected to the core rod 403, and the outer diameter of the core rod 403 is smaller than the inner diameter of the hole in the sleeve 303, the lifting component 4 also includes a cam 404 and a bearing 405, the bottom end of the core rod 403 is fixedly connected to the cam 404, and the structure of the cam 404 is a gradual transition from a convexity on one side to a concave on the other side, the protruding part of the cam 404 is flush with the bottom plane of the movable lower cylinder 306, and the concave part of the cam 404 is higher than the bottom plane of the movable lower cylinder 306, and the bottom plane of the cam 404 is rollingly matched with the roller 310, the top outer edge of the cam 404 is provided with a bearing 405, and the cam 404 is rotationally matched with the lower plate 307 through the bearing 405; The specific operation is as follows: the motor 301 is activated and the shaft sleeve 303 is driven to rotate through the transmission belt 302, so that the shaft sleeve 303 not only drives the upper plate 304 coaxial with the bottom to rotate, but also further drives the fixed upper cylinder 305 on the upper plate 304 to drive the lower plate 307 to rotate synchronously through the bearing 405 located at the outer edge of the cam 404 through the movable nesting with the movable lower cylinder 306, so that the batching cylinder containing the required amount of ingredients is transferred from the convex side of the cam 404 to the concave side. During the process of the roller 310 at the end of the bottom support 309 being transferred from the convex side of the cam 404 to the concave side, the bottom support 309 loses the horizontal restriction of the cam 404, and the ingredients in the movable inner cylinder are forced to open by gravity at the predetermined unloading position, and are dumped into the kiln tail smoke chamber 6 through the feed port 7. The feeding of the ingredients in the present application does not need to be controlled by an electromagnetic valve, but is automatically completed at the preset unloading position through the design and coordination between mechanical structures. The structure is simple and the production and maintenance costs are low. See also Figure 1 The root of the pillar 1 is fixed to the workbench 5, and a kiln tail smoke chamber 6 is fixed on the top of the workbench 5, and a feed port 7 is opened on the top of the kiln tail smoke chamber 6, the kiln tail smoke chamber 6 is connected to one end of the cylinder 8, and the other end of the cylinder 8 away from the kiln tail smoke chamber 6 is rotatably connected to the kiln head cover 9, wheel belts 10 are fixed on both sides of the cylinder 8, and the wheel belts 10 are rotatably matched with the corresponding supporting wheels 11 at the bottom, a large gear ring 12 is coaxially fixed to the middle of the cylinder 8, and the large gear ring 12 is meshed with the small gear at the output end of the reducer 13 for transmission; The specific operation is as follows. When in use, the reducer 13 drives the cylinder 8 to rotate slowly through the meshing transmission between the small gear at the output end and the large gear ring 12 in the middle of the cylinder 8, and the ingredients put in from the kiln tail smoke chamber 6 are mixed with nickel ore for calcination. The mixed material produces a compound motion of rolling along the circumferential direction and moving from the high end to the low end along the axial direction, and flows from the kiln tail smoke chamber 6 to the kiln head cover 9 to complete the conversion from raw material to clinker.

[0022] In summary, when the nickel ore roasting equipment with an automatic feeding structure is used, limestone and coal powder are poured into the batching bins 202 on both sides, and the batching bins 202 on both sides are further connected to the variable-volume batching cylinder composed of a fixed upper cylinder 305 and a movable lower cylinder 306 through a mixing channel 203. When in use, the gate valve 208 and the guide bar 205 are limited to cooperate to realize the on-off control of the batching bin 202 and the mixing channel 203, which can not only meet the delivery demand of a single ingredient, but also further the gate valve 208 adjusts the amount of powder flowing into the mixing channel 203 per unit time from the batching bins 202 on both sides by controlling the opening ratio, and can also meet the mixed delivery demand of the two materials under a certain mixing ratio. By adjusting the opening ratio of the gate valves 208 on both sides, the two In order to adjust the mixing ratio of various materials and avoid improper mixing ratio in actual use, the batching barrel of the present application is composed of a fixed upper barrel 305 embedded in the upper plate 304 and a movable lower barrel 306 embedded in the lower plate 307. Because the movable lower barrel 306 is movably nested in the bottom of the fixed upper barrel 305, the effective volume of the batching barrel can be changed by moving the movable lower barrel 306 up and down. On the basis of the above theory, the lifting cylinder 401 moves up and down through the core rod 403 at the bottom of the end of the lifting plate 402 located in the inner cavity of the middle hole of the shaft sleeve 303, and the volume of the batching barrel can be changed by adjusting the relative surface distance between the lower plate 307 and the upper plate 304, so as to meet the adjustment of the amount of mixed ingredients added at a single time under a certain mixing ratio. When the ingredients in the batching barrel are After it is full, the height sensor 204 at the bottom of the mixing channel 203 will sense and control the gate valves 208 corresponding to the material bins 202 on both sides to close, so as to achieve quantitative delivery of mixed materials according to a certain ratio. Through the cooperation of the proportioning and adding component 2 and the lifting component 4, it can meet the delivery requirements of single or mixed ingredients, the adjustment requirements of the mixing ratio of different ingredients, and the adjustment requirements of the single delivery amount based on a certain ratio. It can achieve accurate delivery of ingredients according to the proportion requirements, with simple adjustment and strong applicability. The motor 301 is activated and the shaft sleeve 303 is driven to rotate through the transmission belt 302, which not only makes the shaft sleeve 303 drive the coaxial upper plate 304 at the bottom to rotate, but also further makes the fixed upper cylinder 305 on the surface of the upper plate 304 pass through The movable nesting with the movable lower cylinder 306 drives the lower plate 307 to rotate synchronously through the bearing 405 at the outer edge of the cam 404, and the batching cylinder containing the required amount of ingredients is transferred from the convex side of the cam 404 to the concave side. During the process of the roller 310 at the end of the bottom support 309 transferring from the convex side of the cam 404 to the concave side, the bottom support 309 loses the horizontal restriction of the cam 404, and the ingredients in the movable inner cylinder are forced to open by gravity at the predetermined unloading position, and are poured into the kiln tail smoke chamber 6 through the feed port 7. The feeding of the ingredients in the present application does not need to be controlled by an electromagnetic valve, but is automatically completed at the preset unloading position through the design and coordination between the mechanical structures. The structure is simple and the production and maintenance costs are low.When in use, the reducer 13 drives the cylinder 8 to rotate slowly through the meshing transmission between the small gear at the output end and the large gear ring 12 in the middle of the cylinder 8, and the ingredients put in from the kiln tail smoke chamber 6 are mixed with nickel ore for calcination. The mixed materials produce a compound motion of rolling along the circumferential direction and moving from the high end to the low end along the axial direction, and flow from the kiln tail smoke chamber 6 to the kiln head cover 9 and complete the conversion from raw materials to clinker.

[0023] The embodiments of the present invention are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention and to enable those of ordinary skill in the art to understand the present invention and thereby design various implementations with various modifications suitable for specific uses.

Claims

1. A nickel ore roasting equipment with an automatic feeding structure, characterized in that: The invention comprises a support (1) and a proportioning and adding component (2), wherein the proportioning and adding component (2) is fixed to one end of the support (1) away from the inner notch of the "L"-shaped structure, and the proportioning and adding component (2) comprises a Y-shaped bracket (201), a proportioning bin (202), a mixing channel (203), a height sensor (204), a guide bar (205), a frame (206), a control cylinder (207) and a gate valve (208), wherein two branches at the top of the Y-shaped bracket (201) are the proportioning bin (202), and the straight cylinder at the bottom of the Y-shaped bracket (201) is the mixing channel (203), and the bottom opening of the mixing channel (203) is provided with a height sensor. (204), guide bars (205) are symmetrically arranged at the connection points between the mixing channel (203) and the batching bins (202) on both sides, and a frame (206) is correspondingly fixed on the outside of the guide bars (205), a control cylinder (207) is bolted to the outside of the frame (206), and a gate valve (208) is fixedly connected to the output end of the control cylinder (207), the gate valve (208) and the guide bars (205) are limitedly matched to realize the on-off control of the batching bin (202) and the mixing channel (203), and the gate valve (208) adjusts the amount of powder flowing from the batching bins (202) on both sides (202) into the mixing channel (203) per unit time by controlling the opening ratio.

2. The nickel ore roasting equipment with automatic feeding structure according to claim 1 is characterized in that: A rotating assembly (3) is rotatably mounted at the bottom of the pillar (1), the rotating assembly (3) comprising a motor (301), a transmission belt (302) and a shaft sleeve (303), the motor (301) being fixed to the other end of the pillar (1) close to the inner notch of the "L"-shaped structure, and a pulley at the output end of the motor (301) is sleeved with a transmission belt (302), and the end of the transmission belt (302) facing away from the motor (301) is rotatably driven by a shaft sleeve (303) with a hollow structure, and the shaft sleeve (303) is rotatably mounted in the middle of the top plane of the pillar (1).

3. The nickel ore roasting equipment with automatic feeding structure according to claim 2 is characterized in that: The rotating assembly (3) further comprises an upper plate (304) and a fixed upper cylinder (305); the upper plate (304) is coaxially fixed to the bottom of the shaft sleeve (303), and the upper plate (304) is rotatably matched with the bottom plane of the support (1) via a slewing bearing; a fixed upper cylinder (305) with openings at both ends is embedded in the surface of the upper plate (304), and the upper end opening of the fixed upper cylinder (305) corresponds to the bottom end opening of the mixing channel (203).

4. The nickel ore roasting equipment with automatic feeding structure according to claim 3 is characterized in that: The rotating assembly (3) further comprises a movable lower cylinder (306) and a lower plate (307); the movable lower cylinder (306) with openings at both ends is nested at the bottom of the fixed upper cylinder (305); the movable lower cylinder (306) is embedded in the surface of the lower plate (307); and the fixed upper cylinder (305) on the surface of the upper plate (304) drives the lower plate (307) to rotate synchronously by being movably nested with the movable lower cylinder (306).

5. The nickel ore roasting equipment with automatic feeding structure according to claim 4 is characterized in that: The rotating assembly (3) further comprises a movable hinge (308), a base (309) and a roller (310); a movable hinge (308) is provided on one side of the bottom opening of the movable lower cylinder (306), and a base (309) is rotatably mounted at the bottom of the movable hinge (308); the base (309) is sealingly matched with the bottom opening of the movable lower cylinder (306), and a rotatably mounted roller (310) is provided at the end of the base (309).

6. The nickel ore roasting equipment with automatic feeding structure according to claim 5, characterized in that: The internal clearance of the shaft sleeve (303) is matched with a lifting assembly (4), and the lifting assembly (4) comprises a lifting cylinder (401) and a lifting plate (402). The lifting cylinder (401) is fixed to the back side of the top plane of the support (1), and the output end of the lifting cylinder (401) is fixedly connected to the lifting plate (402).

7. The nickel ore roasting equipment with automatic feeding structure according to claim 6, characterized in that: The lifting assembly (4) further comprises a core rod (403), the bottom end of the lifting plate (402) is fixedly connected to the core rod (403), and the outer diameter of the core rod (403) is smaller than the inner diameter of the hole in the shaft sleeve (303).

8. The nickel ore roasting equipment with automatic feeding structure according to claim 7, characterized in that: The lifting assembly (4) further comprises a cam (404) and a bearing (405); the bottom end of the core rod (403) is fixedly connected to the cam (404); the cam (404) has a structure in which one side is convex and gradually transitions to the other side being concave; the convex portion of the cam (404) is flush with the bottom plane of the movable lower cylinder (306); the concave portion of the cam (404) is higher than the bottom plane of the movable lower cylinder (306); the bottom plane of the cam (404) is in rolling cooperation with the roller (310); the top outer edge of the cam (404) is provided with a bearing (405); and the cam (404) is in rotational cooperation with the lower plate (307) via the bearing (405).

9. The nickel ore roasting equipment with automatic feeding structure according to claim 1, characterized in that: The root of the support (1) is fixed to the workbench (5), and a kiln tail smoke chamber (6) is fixed to the top of the workbench (5), and a feed port (7) is provided at the top of the kiln tail smoke chamber (6). The kiln tail smoke chamber (6) is connected to one end of a cylinder (8), and the other end of the cylinder (8) facing away from the kiln tail smoke chamber (6) is rotatably connected to a kiln head cover (9).

10. The nickel ore roasting equipment with automatic feeding structure according to claim 9, characterized in that: Wheel belts (10) are fixed on both sides of the cylinder (8), and the wheel belts (10) are rotatably matched with supporting wheels (11) corresponding to the bottom. A large gear ring (12) is coaxially fixed to the middle of the cylinder (8), and the large gear ring (12) is meshed with a small gear at the output end of the reducer (13) for transmission.

Images