Electric furnace rear crushed material feeding device

Abstract

The utility model provides an electric furnace rear crushed material feeding device, which relates to the technical field of feeding devices and comprises a crushing and weighing mechanism, a conveying mechanism is fixedly mounted at the bottom of the crushing and weighing mechanism, a control mechanism is fixedly mounted at the bottom of the conveying mechanism, and the control mechanism comprises a bottom plate. A steel ladle is fixedly installed at the top of the bottom plate, and a supporting frame is fixedly installed at the top of the bottom plate. During use, under the action of the control mechanism, after molten steel in the electric furnace is sent out, the second telescopic rod is controlled to work under the action of the discharging switch, so that the movable cover is opened, then waste steel in the surge bin enters a steel ladle through the discharging pipe, and the waste steel is molten under the action of the molten steel; through the structure and the method, the amount of molten steel can be increased on the basis of the original cost, so that the production cost is reduced while the yield of steel is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of feeding devices, in particular to a feeding device for crushed materials after an electric furnace. Background Art

[0002] The electric furnace normally produces about 110 tons of steel without adding other waste materials (scrap steel), and there is no additional amount of molten steel. Therefore, there is no possibility of reducing costs based on the original costs. In order to increase the amount of molten steel and reduce smelting costs, it is necessary to add waste materials after the steel is produced without smelting in the electric furnace, and use the molten steel temperature to melt the waste materials, so as to increase the amount of molten steel and reduce smelting costs.

[0003] In the prior art, during the use of an electric furnace, since the size of the electric furnace is fixed, the amount of steel produced by the electric furnace is limited, resulting in the inability to reduce costs based on the original costs and affecting the output of steel. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the above equipment cannot reduce the cost during production, resulting in limitations in the use process, and thus a post-electric furnace crushing material feeding device is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a feeding device for crushed materials after an electric furnace, comprising a crushing and weighing mechanism, a conveying mechanism is fixedly installed at the bottom of the crushing and weighing mechanism, and a control mechanism is fixedly installed at the bottom of the conveying mechanism;

[0006] The control mechanism includes a base plate, a steel ladle is fixedly installed on the top of the base plate, a support frame is fixedly installed on the top of the base plate, a buffer silo is fixedly installed on the top of the support frame, a discharge switch is fixedly installed on the outer wall of the buffer silo, two second telescopic rods are fixedly installed on the bottom of the buffer silo, movable covers are fixedly installed on the telescopic ends of the two second telescopic rods, and a discharge pipe is fixedly connected to the bottom of the buffer silo.

[0007] Preferably, the crushing and weighing mechanism includes a crushing box, two first motors are fixedly mounted on the outer wall of the crushing box, the output ends of the two first motors are fixedly connected to crushing wheels, and a weighing box is fixedly mounted on the bottom of the crushing box.

[0008] Preferably, two first telescopic rods are fixedly mounted on the bottom of the crushing box, and bottom covers are fixedly mounted on the telescopic ends of the two first telescopic rods.

[0009] Preferably, four weighing sensors are fixedly installed on the bottom of the weighing box, a supporting frame is fixedly installed on the bottom of the weighing box, and a display screen is provided on one side of the outer wall of the supporting frame.

[0010] Preferably, the conveying mechanism comprises a conveying frame, the outer surface wall of the conveying frame is provided with two groups of insertion grooves, and a transmission shaft is movably inserted between the inner surface walls of the two groups of the insertion grooves.

[0011] Preferably, a conveyor belt is movably sleeved on the outer wall of the two transmission shafts, and a second motor is fixedly connected to the outer wall of one of the two transmission shafts.

[0012] Preferably, the bottom of the support frame is fixedly connected to the top of the conveying frame, and the top of the support frame is fixedly connected to the bottom of the conveying frame.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] During use, the utility model controls the second telescopic rod to operate under the action of the control mechanism after the molten steel in the electric furnace is sent out under the action of the discharge switch, so that the movable cover is opened, and then the scrap steel in the buffer bin enters the ladle through the discharge pipe, and is melted under the action of the molten steel. The above structure and method can increase the amount of molten steel on the basis of the original cost, thereby increasing the output of steel and reducing the production cost at the same time.

[0015] During use, the utility model, under the action of the crushing and weighing mechanism, when it is necessary to process the scrap steel, firstly, the scrap steel is fed into the crushing box from the feeding port, and at the same time, the scrap steel is crushed under the action of the first motor and the crushing wheel, and then enters the weighing box, and the weight of the scrap steel is detected by the action of the weighing sensor, and then the data is transmitted to the display screen for display under the action of the wire. When the weight of the scrap steel reaches the specified weight, the bottom cover is driven to move and open under the action of the first telescopic rod, so that the scrap steel enters the next device. The scrap steel can be crushed by the above structure and method, so that the size of the scrap steel is more suitable for subsequent melting by molten steel, thereby improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model provides a main structural stereogram of a crushed material feeding device behind an electric furnace;

[0017] Figure 2 The utility model proposes a disassembled diagram of a crushing and weighing mechanism in a crushing material feeding device after an electric furnace;

[0018] Figure 3 The utility model proposes a disassembled diagram of a conveying mechanism in a crushed material feeding device after an electric furnace;

[0019] Figure 4The utility model provides a disassembled diagram of a control mechanism in a crushed material feeding device after an electric furnace.

[0020] Legend:

[0021] 1. Crushing and weighing mechanism; 101. Crushing box; 102. First motor; 103. Crushing wheel; 104. Weighing box; 105. First telescopic rod; 106. Bottom cover; 107. Weighing sensor; 108. Support frame; 109. Display screen;

[0022] 2. Conveying mechanism; 201. Conveying frame; 202. Insertion slot; 203. Transmission shaft; 204. Conveyor belt; 205. Second motor;

[0023] 3. Control mechanism; 301. Bottom plate; 302. Ladle; 303. Support frame; 304. Buffer silo; 305. Discharge switch; 306. Second telescopic rod; 307. Movable cover; 308. Discharge pipe. DETAILED DESCRIPTION

[0024] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0025] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0026] Embodiment 1, as Figure 1-Figure 4 As shown, the utility model provides a feeding device for crushed materials after an electric furnace, comprising a crushing and weighing mechanism 1, a conveying mechanism 2 is fixedly installed at the bottom of the crushing and weighing mechanism 1, and a control mechanism 3 is fixedly installed at the bottom of the conveying mechanism 2;

[0027] The control mechanism 3 includes a base plate 301, a ladle 302 is fixedly installed on the top of the base plate 301, a support frame 303 is fixedly installed on the top of the base plate 301, a buffer bin 304 is fixedly installed on the top of the support frame 303, a discharge switch 305 is fixedly installed on the outer wall of the buffer bin 304, two second telescopic rods 306 are fixedly installed on the bottom of the buffer bin 304, movable covers 307 are fixedly installed at the telescopic ends of the two second telescopic rods 306, and a discharge pipe 308 is fixedly connected to the bottom of the buffer bin 304.

[0028] The effect achieved by the entire embodiment 1 is that after the molten steel is processed and sent out, the unloading switch 305 is first controlled to open under the action of the staff, and at the same time, the movable cover 307 is driven to move outward under the action of the second telescopic rod 306, so that the scrap steel inside the buffer bin 304 moves downward under the action of gravity, and enters the interior of the ladle 302 from the discharge pipe 308, so that it enters the molten steel, and the scrap steel is dissolved by the molten steel, thereby increasing the output of the molten steel.

[0029] Embodiment 2, as Figure 2-Figure 4 As shown, the crushing and weighing mechanism 1 includes a crushing box 101, two first motors 102 are fixedly installed on the outer wall of the crushing box 101, the output ends of the two first motors 102 are fixedly connected to crushing wheels 103, a weighing box 104 is fixedly installed at the bottom of the crushing box 101, two first telescopic rods 105 are fixedly installed at the bottom of the crushing box 101, and bottom covers 106 are fixedly installed at the telescopic ends of the two first telescopic rods 105, four weighing sensors 107 are fixedly installed at the bottom of the weighing box 104, and a support frame 10 is fixedly installed at the bottom of the weighing box 104. 8. A display screen 109 is provided on one side of the outer wall of the support frame 108, and the conveying mechanism 2 includes a conveying frame 201. Two groups of insertion grooves 202 are opened on the outer wall of the conveying frame 201, and a transmission shaft 203 is movably inserted between the inner walls of the two groups of insertion grooves 202. A conveyor belt 204 is movably sleeved on the outer walls of the two transmission shafts 203, and a second motor 205 is fixedly connected to the outer wall of one of the two transmission shafts 203. The bottom of the support frame 108 is fixedly connected to the top of the conveying frame 201, and the top of the support frame 303 is fixedly connected to the bottom of the conveying frame 201.

[0030] The effect achieved by the entire embodiment 2 is that when the scrap steel needs to be processed, the scrap steel is first fed into the crushing box 101 from the feed port, and then the crushing wheel 103 is driven to rotate under the action of the first motor 102, so that the scrap steel is crushed to a suitable size. After the crushing is completed, it enters the weighing box 104, and at the same time, the scrap steel is weighed under the action of the weighing sensor 107, and the weighing data is transmitted to the display screen 109 through wires for display. When the weight of the scrap steel reaches the specified value, the bottom cover 106 is driven to move outward under the action of the first telescopic rod 105, so that the scrap steel inside the weighing box 104 falls to the top of the conveyor belt 204 under the action of gravity, and then the transmission shaft 203 is driven to rotate under the action of the second motor 205, thereby driving the conveyor belt 204 to operate and driving the scrap steel to move forward into other devices. The above structure and method can be used to process and transport scrap steel, thereby reducing the consumption of human resources.

[0031] Working principle: When the scrap steel needs to be melted, firstly, the scrap steel is fed into the crushing box 101 from the feed port, and then the crushing wheel 103 is driven to rotate under the action of the first motor 102, so as to crush the scrap steel into a suitable size. After the crushing is completed, it enters the weighing box 104, and at the same time, the scrap steel is weighed under the action of the weighing sensor 107, and the weighing data is transmitted to the display screen 109 through the wire for display. When the weight of the scrap steel reaches the specified value, the bottom cover 106 is driven to move outward under the action of the first telescopic rod 105, so that the scrap steel in the weighing box 104 passes through Under the action of gravity, it falls to the top of the conveyor belt 204, and then the drive shaft 203 is driven to rotate under the action of the second motor 205, thereby driving the conveyor belt 204 to operate and driving the scrap steel to move forward into the buffer bin 304. When the molten steel is processed and sent out, the unloading switch 305 is first controlled to open by the staff, and at the same time, the movable cover 307 is driven to move outward under the action of the second telescopic rod 306, so that the scrap steel inside the buffer bin 304 moves downward under the action of gravity, and enters the interior of the ladle 302 from the discharge pipe 308, and the scrap steel is melted by the molten steel, thereby increasing the output.

[0032] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A crushed material feeding device after an electric furnace, characterized in that: It comprises a crushing and weighing mechanism (1), a conveying mechanism (2) is fixedly mounted on the bottom of the crushing and weighing mechanism (1), and a control mechanism (3) is fixedly mounted on the bottom of the conveying mechanism (2); The control mechanism (3) comprises a bottom plate (301), a ladle (302) is fixedly mounted on the top of the bottom plate (301), a support frame (303) is fixedly mounted on the top of the bottom plate (301), a buffer silo (304) is fixedly mounted on the top of the support frame (303), a discharge switch (305) is fixedly mounted on the outer wall of the buffer silo (304), two second telescopic rods (306) are fixedly mounted on the bottom of the buffer silo (304), movable covers (307) are fixedly mounted on the telescopic ends of the two second telescopic rods (306), and a discharge pipe (308) is fixedly connected to the bottom of the buffer silo (304).

2. The device for feeding crushed material after an electric furnace according to claim 1 is characterized in that: The pulverizing and weighing mechanism (1) comprises a pulverizing box (101), two first motors (102) are fixedly mounted on the outer wall of the pulverizing box (101), output ends of the two first motors (102) are fixedly connected to pulverizing wheels (103), and a weighing box (104) is fixedly mounted on the bottom of the pulverizing box (101).

3. The device for feeding crushed material after an electric furnace according to claim 2, characterized in that: Two first telescopic rods (105) are fixedly mounted on the bottom of the crushing box (101), and bottom covers (106) are fixedly mounted on the telescopic ends of the two first telescopic rods (105).

4. The device for feeding crushed material after an electric furnace according to claim 3 is characterized in that: Four weighing sensors (107) are fixedly mounted on the bottom of the weighing box (104), a support frame (108) is fixedly mounted on the bottom of the weighing box (104), and a display screen (109) is provided on one side of the outer wall of the support frame (108).

5. The device for feeding crushed material after an electric furnace according to claim 4, characterized in that: The conveying mechanism (2) comprises a conveying frame (201), the outer wall of the conveying frame (201) being provided with two groups of insertion grooves (202), and a transmission shaft (203) being movably inserted between the inner walls of the two groups of insertion grooves (202).

6. The device for feeding crushed material after an electric furnace according to claim 5, characterized in that: The outer walls of the two transmission shafts (203) are movably sleeved with a conveyor belt (204), and the outer wall of one of the two transmission shafts (203) is fixedly connected to a second motor (205).

7. The crushed material feeding device after an electric furnace according to claim 6 is characterized in that: The bottom of the support frame (108) is fixedly connected to the top of the conveying frame (201), and the top of the support frame (303) is fixedly connected to the bottom of the conveying frame (201).

Images