Multi-point feeding device for nonferrous smelting furnace

Abstract

The utility model relates to the technical field of nonferrous smelting, in particular to a multipoint feeding device for a nonferrous smelting furnace, which comprises a supporting plate, a sliding guide rail is laid on the supporting plate, a supporting flat plate is clamped on the sliding guide rail in a sliding manner, a feeding hopper is movably arranged on the supporting flat plate, and the feeding hopper is connected with the sliding guide rail in a sliding manner. The feeding hopper is connected with the winding device through a plurality of steel wire ropes; a feeding device is arranged above the charging hopper; the left side of the bottom of the feeding hopper is hinged to the supporting flat plate, and the right side of the bottom of the feeding hopper can be placed on a supporting vertical plate on the supporting flat plate. According to the multi-point feeding device for the nonferrous smelting furnace, materials can be smoothly added under the severe furnace top environment.

Description

Technical Field

[0001] The utility model relates to the technical field of nonferrous smelting, in particular to a multi-point feeding device for a nonferrous smelting furnace. Background Art

[0002] During the oxygen-enriched smelting process of non-ferrous metals, raw materials, coke, auxiliary materials, etc. need to be continuously added in batches from the top of the smelting furnace in a certain proportion. Due to the characteristics of the smelting furnace, the furnace top environment is harsh and it is difficult for the automatic control device to operate normally in this environment. Utility Model Content

[0003] Purpose of the utility model: The utility model provides a multi-point feeding device for a non-ferrous smelting furnace, which can smoothly complete the addition of materials under a harsh furnace top environment.

[0004] In order to achieve the above object, the technical solution of the utility model is as follows:

[0005] A multi-point feeding device for a non-ferrous smelting furnace comprises a support plate, a sliding guide rail is laid on the support plate, a support plate is slidably mounted on the sliding guide rail, a feeding hopper is movably mounted on the support plate, the feeding hopper is connected to a hoisting device through a plurality of steel wire ropes; a feeding device is arranged above the feeding hopper;

[0006] The left side of the bottom of the charging hopper is hinged on the supporting plate, and the right side of the bottom of the charging hopper can be placed on a supporting vertical plate on the supporting plate;

[0007] A movable door is provided on the movable cover on the left side of the feeding hopper, and a first connecting rod and a second connecting rod are fixed on both sides of the movable door respectively, one end of the first connecting rod is fixed on the movable door, and the other end thereof is hinged with the third connecting rod, and the middle part of the first connecting rod is rotationally limited on the front side of the feeding hopper, the upper end of the third connecting rod is hinged with the first connecting rod, and the lower end thereof is fixed on the rotating shaft;

[0008] One end of the second connecting rod is fixed on the movable door, and the other end thereof is hinged with the fourth connecting rod, and the middle part of the first connecting rod is rotationally limited on the rear side of the feeding hopper, the upper end of the fourth connecting rod is hinged with the second connecting rod, and the lower end thereof is fixed on the rotating shaft;

[0009] The rotation of the rotating shaft is limited on the supporting plate.

[0010] As an improvement: two rope fixing rods are provided on the upper right side of the charging hopper.

[0011] As an improvement: the hoisting device includes a first drum, a second drum and a hoisting motor, the hoisting motor is connected to the first drum and the second drum through a reducer, the first drum is connected to the supporting plate through a first steel wire rope, and the second drum is connected to two rope fixing rods through a second steel wire rope.

[0012] As an improvement: the feeding device includes a feeding bracket and a feeding hopper installed on the feeding bracket, a plurality of height adjusting cylinders are vertically arranged on the feeding bracket, a plurality of connecting plates are arranged on the feeding hopper, the height adjusting cylinders are located below the connecting plates, and a gate valve is arranged below the feeding hopper.

[0013] As an improvement, a weight sensor is provided at the joint between the height adjustment cylinder and the connecting plate.

[0014] In summary, the utility model has the following beneficial effects:

[0015] 1. Start the winch motor, the first roller and the second roller rotate at the same time, the first wire rope and the second wire rope move in one direction at the same time, and the hopper can be pulled to the top of the smelting furnace. When it reaches the unloading position, the clutch controlling the second roller is disconnected, the brake is locked, the first roller continues to move, and the second roller stops. At this time, the trolley continues to move forward, and the hopper is subjected to a backward pulling force. With the movement of the supporting plate, the first connecting rod and the third connecting rod, the second connecting rod and the fourth connecting rod cooperate, and the tipping angle of the hopper continues to increase, and the material in the hopper is gradually dumped into the smelting furnace. Through the above operations, the material can be added smoothly under the harsh environment of the furnace top;

[0016] 2. The weight sensor is used to sense the weight of the material in the current feeding hopper to achieve quantitative feeding. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solution in the present practical embodiment, the drawings required for use in the embodiment or the description of the prior art will be briefly introduced below.

[0018] Figure 1 It is a right side view of a multi-point charging device for a non-ferrous smelting furnace;

[0019] Figure 2 It is a partial structural schematic diagram of a multi-point charging device for a non-ferrous smelting furnace;

[0020] Figure 3 is a schematic diagram of the first steel wire rope connection method;

[0021] Figure 4 is a schematic diagram of the second steel wire rope connection method;

[0022] Figure 5Schematic diagram of the hopper structure Figure 1 ;

[0023] Figure 6 The second diagram is the structure of the hopper;

[0024] Figure 7 It is a schematic diagram of the structure of the feeding device;

[0025] Among them: 1. Support plate; 2. Sliding guide rail; 3. Support plate; 4. Feeding hopper; 5. Movable door; 6. Support vertical plate; 7. Movable door; 8. First connecting rod; 9. Second connecting rod; 10. Third connecting rod; 11. Fourth connecting rod; 12. Rotating shaft; 13. Rope fixing rod; 14. First roller; 15. Second roller; 16. Winch motor; 17. Feeding bracket; 18. Feeding hopper; 19. Height adjustment cylinder; 20. Connecting plate; 21. Gate valve; 22. Weight sensor; 23. First steel wire rope; 24. Second steel wire rope; 25. Negative pressure collection hood. DETAILED DESCRIPTION

[0026] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0027] Please refer to Figure 1-Figure 7 A multi-point feeding device for a non-ferrous smelting furnace comprises a support plate 1, a sliding guide rail 2 is laid on the support plate 1, a support plate 3 is slidably mounted on the sliding guide rail 2, a feeding hopper 4 is movably mounted on the support plate 3, and the feeding hopper 4 is connected to a hoisting device through a plurality of steel wire ropes; a feeding device is arranged above the feeding hopper 4;

[0028] Start the hoisting motor 16, the first roller 14 and the second roller 15 rotate at the same time, the first wire rope 23 and the second wire rope 24 move in one direction at the same time, and the hopper 4 can be pulled to the top of the smelting furnace. When reaching the unloading position, the clutch controlling the second roller 15 is disconnected, the brake is locked, the first roller 14 continues to move, and the second roller 15 stops moving. At this time, the trolley continues to move forward, and the hopper 4 is subjected to a backward pulling force. With the movement of the supporting plate 3, under the cooperation of the first connecting rod 8 and the third connecting rod 10, the second connecting rod 9 and the fourth connecting rod 11, the tilting angle of the hopper 4 continues to increase, and the material in the hopper 4 is gradually dumped into the smelting furnace. Through the above operation, the material can be added smoothly under the harsh environment of the furnace top.

[0029] The left side of the bottom of the feeding hopper 4 is hinged on the supporting plate 3, and the right side of the bottom can be placed on a supporting vertical plate 6 on the supporting plate 3; a movable door 75 is provided on the left movable cover of the feeding hopper 4, and a first connecting rod 8 and a second connecting rod 9 are respectively fixed on both sides of the movable door 75, one end of the first connecting rod 8 is fixed on the movable door 75, and the other end thereof is hinged to the third connecting rod 10, and the middle part of the first connecting rod 8 is rotationally limited on the front side of the feeding hopper 4, the upper end of the third connecting rod 10 is hinged to the first connecting rod 8, and the lower end thereof is fixed to the rotating shaft 12; one end of the second connecting rod 9 is fixed to the movable door 75, and the other end thereof is hinged to the fourth connecting rod 11, and the middle part of the third connecting rod is rotationally limited on the rear side of the feeding hopper 4, the upper end of the fourth connecting rod 11 is hinged to the second connecting rod 9, and the lower end thereof is fixed to the rotating shaft 12;

[0030] The rotating shaft 12 is rotationally limited on the supporting plate 3 .

[0031] Two rope fixing rods 13 are provided at the upper right side of the charging hopper 4 .

[0032] The hoisting device includes a first drum 14, a second drum 15 and a hoisting motor 16. The hoisting motor 16 is connected to the first drum 14 and the second drum 15 through a reducer. The first drum 14 is connected to the supporting plate 3 through a first steel wire rope 23, and the second drum 15 is connected to two rope fixing rods 13 through a second steel wire rope 24.

[0033] The feeding device includes a feeding bracket 17 and a feeding hopper 18 mounted on the feeding bracket 17. In this embodiment, the feeding bracket 17 is fixed on the support plate 1, and the feeding bracket 17 is located above the feeding hopper 4. A plurality of height adjustment cylinders 19 are vertically arranged on the feeding bracket 17, and a plurality of connecting plates 20 are arranged on the feeding hopper 18. The height adjustment cylinder 19 is located below the connecting plate 20, and a gate valve 21 is arranged below the feeding hopper 18. A weight sensor 22 is arranged at the joint between the height adjustment cylinder 19 and the connecting plate 20. The weight sensor 22 is used to sense the weight of the material in the current feeding hopper 18 to achieve quantitative feeding.

[0034] In this embodiment, a negative pressure collecting hood 25 is further provided above the supporting plate 1 , and the negative pressure collecting hood 25 is located above the smelting furnace.

[0035] Working principle: The material is placed into the feeding hopper 18 through the external transmission belt, and the weight sensor 22 senses the weight of the material in the feeding hopper 18. When the weight reaches a certain amount, the external transmission belt stops feeding, and the gate valve 21 is opened to place the material in the feeding hopper 18 into the charging hopper 4. The height of the feeding hopper 18 can be adjusted by the height adjustment cylinder 19 to reduce the height difference, thereby reducing the output of dust.

[0036] Then, the hoisting motor 16 is started, the first roller 14 and the second roller 15 rotate simultaneously, and the first steel wire rope 23 and the second steel wire rope 24 move in one direction simultaneously, so as to pull the charging hopper 4 to the top of the smelting furnace.

[0037] When reaching the unloading position, the clutch controlling the second roller 15 is disengaged, the brake is locked, the first roller 14 continues to move, and the second roller 15 stops moving. At this time, the trolley continues to move forward, and the feeding hopper 4 is subjected to a backward pulling force. With the movement of the supporting plate 3, under the cooperation of the first connecting rod 8 and the third connecting rod 10, the second connecting rod 9 and the fourth connecting rod 11, the tilting angle of the feeding hopper 4 continues to increase, and the material in the feeding hopper 4 is gradually dumped into the smelting furnace.

[0038] After the feeding is completed, the first roller 14 reverses and drives the first steel wire rope 23 to retreat, thereby driving the supporting plate 3 to retreat until the feeding hopper 4 falls completely. At this time, the clutch controlling the second roller 15 engages with the second roller 15, and the second steel wire rope 24 is retracted by the second roller 15.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the utility model, which should be included in the scope of the technical solution for protection of the utility model.

Claims

1. A multi-point charging device for a non-ferrous smelting furnace, characterized in that: It comprises a support plate, a sliding guide rail is laid on the support plate, a support plate is slidably mounted on the sliding guide rail, a hopper is movably mounted on the support plate, and the hopper is connected to a hoisting device through a plurality of steel wire ropes; a feeding device is arranged above the hopper; The left side of the bottom of the charging hopper is hinged on the supporting plate, and the right side of the bottom of the charging hopper can be placed on a supporting vertical plate on the supporting plate; A movable door is provided on the movable cover on the left side of the feeding hopper, and a first connecting rod and a second connecting rod are fixed on both sides of the movable door respectively, one end of the first connecting rod is fixed on the movable door, and the other end thereof is hinged with the third connecting rod, and the middle part of the first connecting rod is rotationally limited on the front side of the feeding hopper, the upper end of the third connecting rod is hinged with the first connecting rod, and the lower end thereof is fixed on the rotating shaft; One end of the second connecting rod is fixed on the movable door, and the other end thereof is hinged with the fourth connecting rod, and the middle part of the second connecting rod is rotationally limited on the rear side of the feeding hopper, the upper end of the fourth connecting rod is hinged with the second connecting rod, and the lower end thereof is fixed on the rotating shaft; The rotation of the rotating shaft is limited on the supporting plate.

2. The multi-point charging device for a nonferrous smelting furnace according to claim 1, characterized in that: Two rope body fixing rods are arranged on the upper right side of the charging hopper.

3. The multi-point charging device for a non-ferrous smelting furnace according to claim 2, characterized in that: The hoisting device includes a first drum, a second drum and a hoisting motor, the hoisting motor is connected to the first drum and the second drum via a reducer, the first drum is connected to a supporting plate via a first steel wire rope, and the second drum is connected to two rope fixing rods via a second steel wire rope.

4. The multi-point charging device for a nonferrous smelting furnace according to claim 1, characterized in that: The feeding device includes a feeding bracket and a feeding hopper installed on the feeding bracket. A plurality of height adjustment cylinders are vertically arranged on the feeding bracket, a plurality of connecting plates are arranged on the feeding hopper, the height adjustment cylinders are located below the connecting plates, and a gate valve is arranged below the feeding hopper.

5. The multi-point charging device for a nonferrous smelting furnace according to claim 4, characterized in that: A weight sensor is arranged at the joint between the height adjustment cylinder and the connecting plate.

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