Rotary charging bucket of metallurgical furnace

Abstract

The utility model discloses a rotary charging bucket of a metallurgical furnace, which relates to the technical field of pyrometallurgical equipment and comprises a hopper, a charging bucket, a rotating component and a transmission component, the bottom of the charging bucket is rotatably mounted with the upper end of the rotating component, the rotating component is mounted with the output end of the transmission component, a conical groove is arranged at the bottom of the charging bucket, and the rotating component comprises a base. An inner sleeve is fixed to the upper side of the base and movably sleeved with an outer sleeve, a tray is fixed to the top of the outer sleeve, and the upper side of the tray is clamped to the inner side of the conical groove; the charging bucket is placed at the upper end of the rotating assembly, at the moment, the protruding part in the center of the tray is connected with the inner wall of the conical groove in the bottom of the charging bucket in a clamped mode, sintering blocks and coke sequentially fall into the charging bucket from the hopper, the transmission assembly is started to drive the tray of the rotating assembly to rotate, and then the charging bucket is driven to rotate; and in the rotating process of the charging bucket, the two falling materials can be uniformly distributed.

Description

Technical Field

[0001] The utility model relates to the technical field of pyrometallurgical equipment, and more specifically to a rotary material tank of a metallurgical furnace. Background Art

[0002] During the production process of the lead-zinc closed blast furnace, sintered blocks and coke need to be added to the blast furnace. The sintered blocks and coke are produced by the previous process and stored in two weighing hoppers respectively. When adding materials is needed, the two weighing hoppers are opened one by one, and the sintered blocks and coke are discharged into the material tank in turn, and then added to the blast furnace by a crane for blowing.

[0003] According to the requirements of the blast furnace for the incoming materials, the sintered blocks and coke in the feed tank need to be evenly distributed. However, the existing metallurgical furnace feed tank is usually only placed under the hopper to receive the materials. The sintered blocks and coke are easily segregated and accumulated in the feed tank. Therefore, during the sintered block and coke discharge process, a feed tank is needed that can achieve uniform distribution of sintered blocks and coke in the feed tank. Utility Model Content

[0004] The purpose of the present invention is to solve the above technical problems and provide a rotary material tank for a metallurgical furnace, which can achieve uniform distribution of sintered blocks and coke through stable rotation, and also facilitates the crane to lift the material tank full of materials.

[0005] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions: a rotating material tank for a metallurgical furnace, the rotating material tank comprising a hopper, a material tank, a rotating assembly and a transmission assembly, the bottom of the material tank is rotatably mounted on the upper end of the rotating assembly, the rotating assembly is mounted on the output end of the transmission assembly, a conical groove is provided on the bottom of the material tank, the rotating assembly comprises a base, an inner sleeve is fixed on the upper side of the base, an outer sleeve is movably sleeved on the inner sleeve, a tray is fixed on the top of the outer sleeve, and the upper side of the tray is clamped with the inner side of the conical groove.

[0006] In order to facilitate the rotation of the tray and inject lubricating oil into the bearing at the same time, as a preferred embodiment of a metallurgical furnace rotary material tank of the present invention, a bearing is installed between the inner sleeve and the outer sleeve, and an oil filling hole is opened on the outside of the outer sleeve, and the oil filling hole is connected to the bearing.

[0007] In order to stabilize the position of the fixed pallet and prevent the pallet from moving upward, as a preferred embodiment of the present invention, a metallurgical furnace rotary material tank is preferably connected to the upper end surface of the pallet with a fixing bolt, the lower end of the fixing bolt is fixedly installed to the top of the inner sleeve, and the upper end of the outer side of the fixing bolt is threadedly connected with a slot nut, and the slot nut is located on the upper side of the pallet.

[0008] In order to facilitate the rotation of the tray and inject lubricating oil into the second bearing at the same time, as a preferred embodiment of a metallurgical furnace rotary material tank of the present invention, the second bearing is installed between the through hole of the tray and the fixing bolt, and the outer side of the tray is provided with a second oil filling hole, and the second oil filling hole is connected to the second bearing.

[0009] In order to realize the rotation of the tray while being able to withstand the impact load generated by materials with larger specific gravity during the discharge process, as a preferred embodiment of the metallurgical furnace rotary material tank of the present invention, a thrust ball bearing is installed between the top of the inner sleeve and the top of the inner wall of the outer sleeve, and the thrust ball bearing is movably fitted with a fixing bolt.

[0010] In order to facilitate and stably drive the tray to rotate, as a preferred embodiment of a metallurgical furnace rotating material tank of the utility model, the transmission assembly includes an electric motor, a gear reducer is installed at the output end of the motor, a main transmission shaft is installed at the output end of the gear reducer, a small bevel gear is fixedly installed at the other end of the main transmission shaft, the outer wall of the small bevel gear is meshed with a large bevel gear, and the upper side of the large bevel gear is detachably connected to the bottom surface of the tray by bolts.

[0011] The beneficial effects of the utility model are as follows:

[0012] 1. Place the material tank on the upper end of the rotating assembly. The raised part in the center of the tray engages with the inner wall of the conical groove at the bottom of the tank. Sintered blocks and coke fall from the hopper into the tank in sequence. Start the transmission assembly to drive the tray of the rotating assembly to rotate, which in turn drives the tank to rotate. When the tank rotates, the two materials can be evenly distributed.

[0013] 2. The tray and the inner sleeve are stably fixed by setting a slot nut, thereby preventing the outer sleeve and the tray from moving upward during long-term rotation, thereby preventing the tooth top clearance of the large and small bevel gears from increasing, resulting in serious wear on the gear tooth tops;

[0014] 3. By arranging the thrust ball bearing between the top of the inner sleeve and the top of the inner wall of the outer sleeve, the tray can be rotated while bearing the impact load generated by the heavy material during the discharge process;

[0015] 4. By setting the small bevel gear and the large bevel gear in meshing connection, this device adopts a 90° bevel gear pair transmission, which can change the transmission direction of the main transmission shaft to drive the pallet to rotate horizontally. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This utility model Figure 1 Schematic diagram of point A;

[0018] Figure 3 It is a cross-sectional schematic diagram of the material tank of the present utility model;

[0019] Figure 4 It is a cross-sectional schematic diagram of the rotating assembly of the present utility model;

[0020] Figure 5 This is a schematic diagram of the connection between the rotating assembly and the transmission assembly of the utility model;

[0021] Figure 6 It is a top view of the material tank and transmission assembly of the utility model.

[0022] Figure numerals: 1. Hopper; 2. Material tank; 201. Conical groove; 3. Rotating assembly; 301. Base; 302. Inner sleeve; 3021. Oil filling hole 1; 303. Bearing 1; 304. Outer sleeve; 305. Tray; 3051. Oil filling hole 2; 306. Fixing bolt; 307. Bearing 2; 308. Slotted nut; 309. Thrust ball bearing; 4. Transmission assembly; 401. Motor; 402. Gear reducer; 403. Main drive shaft; 404. Small bevel gear; 405. Large bevel gear. DETAILED DESCRIPTION

[0023] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The exemplary embodiments and descriptions of the present invention are used to explain the present invention but are not intended to limit the present invention.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0025] See also Figure 1-6 The utility model provides the following technical solutions: a rotary material tank of a metallurgical furnace, the rotary material tank includes a hopper 1, a material tank 2, a rotating assembly 3 and a transmission assembly 4, the bottom of the material tank 2 is rotatably installed with the upper end of the rotating assembly 3, the rotating assembly 3 is installed with the output end of the transmission assembly 4, the bottom of the material tank 2 is provided with a conical groove 201, the rotating assembly 3 includes a base 301, an inner sleeve 302 is fixed on the upper side of the base 301, the movable sleeve of the inner sleeve 302 is equipped with an outer sleeve 304, the top of the outer sleeve 304 is fixed with a tray 305, and the upper side of the tray 305 is clamped with the inner side of the conical groove 201.

[0026] In this embodiment: the material tank 2 is placed on the upper end of the rotating component 3. At this time, the raised part in the center of the tray 305 is engaged with the inner wall of the conical groove 201 at the bottom of the material tank 2. The sintered block and coke materials fall from the hopper 1 into the material tank 2 in turn. The transmission component 4 is started to drive the tray 305 of the rotating component 3 to rotate, and then drive the material tank 2 to rotate. When the material tank 2 rotates, the two materials that fall can be evenly distributed.

[0027] As a technical optimization solution of the present invention, a bearing 303 is installed between the inner sleeve 302 and the outer sleeve 304 , and an oil injection hole 3021 is opened on the outside of the outer sleeve 304 , and the oil injection hole 3021 is connected to the bearing 303 .

[0028] In this embodiment, bearing 1 303 can realize the rotation between outer sleeve 304 and inner sleeve 302, and bearing 1 303 is a sliding bearing. Oil filling hole 1 3021 is used to inject lubricating oil into bearing 1 303 to extend the service life of the sliding bearing.

[0029] As a technical optimization solution of the present invention, a fixing bolt 306 is connected through the upper end surface of the tray 305, the lower end of the fixing bolt 306 is fixedly installed to the top of the inner sleeve 302, and the upper end of the outer side of the fixing bolt 306 is threadedly connected with a slot nut 308, and the slot nut 308 is located on the upper side of the tray 305.

[0030] In this embodiment: the fixing bolt 306 is fixed to the inner sleeve 302, and the upper end of the fixing bolt 306 extends through to the top of the tray 305, so the slot nut 308 is used to stably fix the tray 305 and the inner sleeve 302, and the slot nut 308 and the fixing bolt 306 are limited by a cotter pin to prevent the outer sleeve 304 and the tray 305 from upward displacement during long-term rotation, resulting in an increase in the tooth top clearance of the large and small bevel gears, causing serious wear on the gear tooth tops.

[0031] As a technical optimization solution of the present invention, a second bearing 307 is installed between the through hole of the tray 305 and the fixing bolt 306 , and a second oil filling hole 3051 is opened on the outside of the tray 305 , and the second oil filling hole 3051 is connected to the second bearing 307 .

[0032] In this embodiment, the second bearing 307 can realize the rotation between the outer sleeve 304 and the fixing bolt 306, and the second bearing 307 is a sliding bearing. The second oil filling hole 3051 is used to inject lubricating oil into the second bearing 307 to extend the service life of the sliding bearing.

[0033] As a technical optimization solution of the present invention, a thrust ball bearing 309 is installed between the top of the inner sleeve 302 and the top of the inner wall of the outer sleeve 304 , and the thrust ball bearing 309 is movably fitted to the fixing bolt 306 .

[0034] In this embodiment, the thrust ball bearing 309 is used to reduce the friction between the top of the inner sleeve 302 and the top of the inner wall of the outer sleeve 304, and can withstand the impact load generated by the material with a larger specific gravity during the discharge process while realizing the rotation of the tray 305.

[0035] As a technical optimization solution of the present invention, the transmission assembly 4 includes an electric motor 401, a gear reducer 402 is installed at the output end of the electric motor 401, a main transmission shaft 403 is installed at the output end of the gear reducer 402, a small bevel gear 404 is fixedly installed at the other end of the main transmission shaft 403, the outer wall of the small bevel gear 404 is meshed with a large bevel gear 405, and the upper side of the large bevel gear 405 is detachably connected to the bottom surface of the tray 305 by bolts.

[0036] In this embodiment: the output end of the motor 401 is installed with the gear reducer 402, and the appropriate transmission ratio can be determined according to the material type and specific gravity. The small bevel gear 404 is meshed with the large bevel gear 405. This device adopts a 90° bevel gear pair transmission, which can change the transmission direction of the main transmission shaft 403 to drive the tray 305 to rotate horizontally.

[0037] The working principle and use process of this utility model:

[0038] The material tank 2 is placed on the tray 305 of the rotating component 3. The raised part in the center of the tray 305 is engaged with the inner wall of the conical groove 201 at the bottom of the material tank 2. When discharging, the hopper gate is opened, and the transmission component 4 is started, driving the material tank 2 to rotate together. After the sintered block and coke enter the material tank 2, they can be evenly arranged in the material tank for a circle. After the discharging is completed, the hopper gate is closed and the rotating device of the material tank 2 stops, thus completing the uniform distribution operation of the material tank.

[0039] The above is a detailed introduction to the technical solutions provided by the embodiments of the present invention. Specific examples are used herein to illustrate the principles and implementation methods of the embodiments of the present invention. The description of the above embodiments is only applicable to help understand the principles of the embodiments of the present invention. At the same time, for those skilled in the art, according to the embodiments of the present invention, there may be changes in the specific implementation methods and application scopes. In summary, the contents of this specification should not be understood as limiting the present invention.

Claims

1. A rotary feed tank for a metallurgical furnace, characterized in that: The rotary material tank comprises a hopper (1), a material tank (2), a rotating assembly (3) and a transmission assembly (4); the bottom of the material tank (2) is rotatably mounted on the upper end of the rotating assembly (3); the rotating assembly (3) is mounted on the output end of the transmission assembly (4); a conical groove (201) is provided at the bottom of the material tank (2); the rotating assembly (3) comprises a base (301); an inner sleeve (302) is fixed on the upper side of the base (301); an outer sleeve (304) is movably mounted on the inner sleeve (302); a tray (305) is fixed on the top of the outer sleeve (304); the upper side of the tray (305) is engaged with the inner side of the conical groove (201).

2. The rotary feeding tank of a metallurgical furnace according to claim 1, characterized in that: A bearing 1 (303) is installed between the inner sleeve (302) and the outer sleeve (304). An oil injection hole 1 (3021) is opened on the outer side of the outer sleeve (304), and the oil injection hole 1 (3021) is communicated with the bearing 1 (303).

3. The rotary feeding tank of a metallurgical furnace according to claim 1, characterized in that: The upper end surface of the tray (305) is connected with a fixing bolt (306), the lower end of the fixing bolt (306) is fixedly installed with the top of the inner sleeve (302), and the upper end of the outer side of the fixing bolt (306) is threadedly connected with a slot nut (308), and the slot nut (308) is located on the upper side of the tray (305).

4. The rotary feeding tank of a metallurgical furnace according to claim 1, characterized in that: A second bearing (307) is installed between the through hole of the tray (305) and the fixing bolt (306), and a second oil filling hole (3051) is opened on the outer side of the tray (305), and the second oil filling hole (3051) is communicated with the second bearing (307).

5. The rotary feeding tank of a metallurgical furnace according to claim 1, characterized in that: A thrust ball bearing (309) is installed between the top of the inner sleeve (302) and the top of the inner wall of the outer sleeve (304), and the thrust ball bearing (309) and the fixing bolt (306) are movably mounted.

6. The rotary charging pot of a metallurgical furnace according to claim 1, characterized in that: The transmission assembly (4) includes an electric motor (401), a gear reducer (402) is installed at the output end of the electric motor (401), a main transmission shaft (403) is installed at the output end of the gear reducer (402), and the other end of the main transmission shaft (403) is A small bevel gear (404) is fixedly installed, and the outer wall of the small bevel gear (404) is meshedly connected with a large bevel gear (405). The upper side of the large bevel gear (405) is detachably connected to the bottom surface of the tray (305) by bolts.

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