Charging energy-saving drying device for submerged arc furnace

Abstract

The utility model discloses a submerged arc furnace charging energy-saving drying device which comprises a frame, a hopper and a storage bin, the hopper is arranged at the top of the frame, a sealing plate and an auger conveyor are arranged at the bottom of the storage bin, a fixing plate is fixedly connected to the surface of the frame, and the auger conveyor is installed on the surface of the fixing plate. A telescopic pipe is fixedly connected to one end of the auger conveyor, an opening is formed in the surface of the sealing plate, a conveying pipe is fixedly connected to the inner wall of the opening, and the conveying pipe communicates with the auger conveyor. Through the arrangement of a telescopic hydraulic cylinder, a first crushing plate, a second crushing plate and a storage bin, the telescopic hydraulic cylinder enables the first crushing plate to extrude raw materials, meanwhile, the second crushing plate is combined to be matched with the first crushing plate to crush the raw materials, and the raw materials can be conveniently discharged into an auger conveyor through a conveying pipe; and meanwhile, crushed raw materials enter the submerged arc furnace through the auger conveyor, so that the condition of raw material blockage is avoided.

Description

Technical Field

[0001] The present application relates to the technical field of submerged arc furnaces, and in particular to a submerged arc furnace charging and energy-saving drying device. Background Art

[0002] Submerged arc furnace, also known as electric arc furnace or resistance furnace, is mainly used for reducing smelting ores, carbonaceous reducing agents and solvents and other raw materials. It mainly produces ferroalloys such as ferrosilicon, ferromanganese, ferrochrome, and ferrotungsten. It is an important industrial raw material in the metallurgical industry and a chemical raw material such as calcium carbide.

[0003] The central charging bin on the top of the submerged arc furnace is a storage equipment for uniform charging, which mainly plays the role of material storage, buffering and balancing. However, when the raw material is directly fed into the furnace, the raw material is easily stuck at the feeding point due to its different sizes, resulting in a decrease in the production efficiency of the submerged arc furnace. Therefore, it is necessary to design an energy-saving drying device for charging the submerged arc furnace to solve the above problem.

[0004] It should be noted that the above information disclosed in this Background section is only for understanding the background technology of the present application concept, and therefore, it may contain information that does not constitute prior art. Summary of the Invention

[0005] Based on the above problems existing in the prior art, the problem to be solved by this application is: to provide an energy-saving drying device for charging a submerged arc furnace to solve the problem that the raw material in the above patent is easily stuck at the feeding point.

[0006] The technical solution adopted by the present application to solve the technical problem is: an energy-saving drying device for charging a submerged arc furnace, comprising:

[0007] frame;

[0008] A hopper is provided on the top of the frame;

[0009] A storage bin, wherein a sealing plate is provided at the bottom of the storage bin;

[0010] An auger conveyor, wherein a fixed plate is fixedly connected to the surface of the frame, the auger conveyor is mounted on the surface of the fixed plate, one end of the auger conveyor is fixedly connected to a telescopic tube, an opening is formed on the surface of the sealing plate, a conveying tube is fixedly connected to the inner wall of the opening, and the conveying tube is communicated with the auger conveyor;

[0011] A telescopic hydraulic cylinder, wherein a connecting plate is fixedly connected to the surface of the frame, the telescopic hydraulic cylinder is mounted on the surface of the connecting plate, the output end of the telescopic hydraulic cylinder is fixedly connected to a crushing plate 1, and a crushing plate 2 that cooperates with the crushing plate 1 is fixedly connected to the inner wall of the storage bin;

[0012] The gas delivery component has an outer surface of a storage bin on its surface, a chamber is provided inside the storage bin, and a plurality of air flow holes are provided on the inner wall of the chamber.

[0013] Furthermore, a holder is provided on the surface of the top end of the frame, a slot is provided on the end surface of the holder, the storage bin is connected to the inner wall of the slot, and a plurality of fixing holes are provided on the surface of the frame.

[0014] Furthermore, a thread groove 1 is provided at the bottom of the storage bin, and a bolt is threadedly connected to the inner wall of the thread groove 1, and the bolt passes through one side of the sealing plate and is threadedly connected to the thread groove 1.

[0015] Furthermore, a connecting frame is provided on the outer surface of the auger conveyor, one end of the connecting frame is fixedly connected to the sealing plate, one end of the telescopic tube is fixedly connected to a flange, a thread groove 2 is provided on the surface of the frame, the inner wall of the thread groove 2 is threadedly connected with a fixing bolt, and one end of the fixing bolt passes through a reserved hole on the surface of the fixed plate and is threadedly connected to the thread groove 2.

[0016] Furthermore, the gas transmission assembly includes a collecting shell provided on the surface of the storage bin, a smoke pipe is provided on the surface of the collecting shell, the collecting shell is connected to the smoke pipe, and the collecting shell is connected to the chamber.

[0017] Furthermore, a threaded hole is provided on the surface of the holding frame, an inner wall of the threaded hole is threadedly connected with a connecting bolt, and one end of the connecting bolt passes through the reserved hole of the hopper and the reserved hole of the storage bin and is threadedly connected to the threaded hole.

[0018] Furthermore, the opposite surfaces of the inner wall of the storage bin are fixedly connected with a guide block 1, and the bottom of the inner wall of the storage bin is fixedly connected with a guide block 2.

[0019] The beneficial effects of this application are:

[0020] The present application provides an energy-saving drying device for feeding an electric arc furnace. Through the arrangement of a telescopic hydraulic cylinder, a crushing plate one, a crushing plate two and a storage bin, the telescopic hydraulic cylinder enables the crushing plate one to squeeze the raw material, and at the same time, the crushing plate two cooperates with the crushing plate one to crush the raw material, so that the material is discharged into the interior of the auger conveyor through the conveying pipe, and the crushed raw material is fed into the electric arc furnace through the auger conveyor, thereby avoiding the occurrence of raw material blockage.

[0021] In addition to the above-described purposes, features and advantages, the present application also has other purposes, features and advantages. The present application will be further described in detail below with reference to the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings that constitute part of this application are used to provide a further understanding of this application. The illustrative embodiments of this application and their descriptions are used to explain this application and do not constitute an improper limitation on this application. In the drawings:

[0023] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model Figure 1 ;

[0024] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model Figure 2 ;

[0025] Figure 3 This is a schematic diagram of the three-dimensional structure of the utility model Figure 3 ;

[0026] Figure 4 This is a schematic cross-sectional view of the storage bin in the present invention;

[0027] Among them, the reference numerals in the figures are:

[0028] 1. Frame; 101. Fixing hole; 102. Clamping frame; 103. Slot; 104. Connecting bolt; 2. Hopper; 3. Storage bin; 301. Sealing plate; 302. Guide block 1; 303. Guide block 2; 304. Chamber; 305. Air flow hole; 4. Auger conveyor; 401. Fixing plate; 402. Conveying pipe; 403. Connecting frame; 404. Telescopic pipe; 405. Flange; 406. Fixing bolt; 5. Smoke pipe; 501. Collecting shell; 6. Telescopic hydraulic cylinder; 601. Connecting plate; 602. Crushing plate 1; 603. Crushing plate 2. DETAILED DESCRIPTION

[0029] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0030] In order to enable those skilled in the art to better understand the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of this application.

[0031] like Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, the present application provides an energy-saving drying device for charging a submerged arc furnace, comprising:

[0032] Frame 1;

[0033] A hopper 2 is provided on the top of the frame 1;

[0034] Storage bin 3, a sealing plate 301 is provided at the bottom of the storage bin 3;

[0035] The auger conveyor 4 has a fixed plate 401 fixedly connected to the surface of the frame 1. The auger conveyor 4 is installed on the surface of the fixed plate 401. One end of the auger conveyor 4 is fixedly connected to a telescopic tube 404. An opening is formed on the surface of the sealing plate 301. A conveying pipe 402 is fixedly connected to the inner wall of the opening. The conveying pipe 402 is connected to the auger conveyor 4.

[0036] The telescopic hydraulic cylinder 6 has a connecting plate 601 fixedly connected to the surface of the frame 1. The telescopic hydraulic cylinder 6 is mounted on the surface of the connecting plate 601. The output end of the telescopic hydraulic cylinder 6 is fixedly connected to a crushing plate 1 602. The inner wall of the storage bin 3 is fixedly connected to a crushing plate 2 603 that cooperates with the crushing plate 1 602.

[0037] The gas delivery component has an outer surface of the storage bin 3 on its surface, a chamber 304 is provided inside the storage bin 3 , and a plurality of air flow holes 305 are provided on the inner wall of the chamber 304 .

[0038] During use, the staff connects the gas transmission component to the smoke exhaust port of the submerged arc furnace, so that the smoke generated by the submerged arc furnace enters the chamber 304 of the storage bin 3 through the gas transmission component, and enters the interior of the storage bin 3 through the air flow holes 305 on the inner wall of the chamber 304. At the same time, the staff adds raw materials into the storage bin 3 through the hopper 2, and dries the raw materials with the smoke. At the same time, the crushing plate 1 602 is squeezed by the telescopic hydraulic cylinder 6, and the crushing plate 2 603 cooperates with the crushing plate 1 602 to crush the raw materials, so that the raw materials can be discharged to the interior of the auger conveyor 4 through the conveying pipe 402, and the crushed raw materials enter the submerged arc furnace through the auger conveyor 4.

[0039] like Figure 1 、 Figure 2 、 Figure 3 As shown, a holder 102 is provided on the surface of the top of the frame 1, a slot 103 is provided on the end face of the holder 102, the storage bin 3 is clamped on the inner wall of the slot 103, a plurality of fixing holes 101 are provided on the surface of the frame 1, a threaded hole is provided on the surface of the holder 102, a connecting bolt 104 is threadedly connected to the inner wall of the threaded hole, and one end of the connecting bolt 104 passes through the reserved hole of the hopper 2 and the reserved hole of the storage bin 3 and is threadedly connected to the threaded hole.

[0040] Specifically, the storage bin 3 is clamped through the clamping slot 103 , and the connecting bolt 104 passes through the reserved holes of the hopper 2 and the reserved holes of the storage bin 3 and is threadedly connected with the threaded holes on the surface of the clamping frame 102 to fix the hopper 2.

[0041] like Figure 1 Figure 4 As shown, a thread groove 1 is provided at the bottom of the storage bin 3 , and a bolt is threadedly connected to the inner wall of the thread groove 1 , and the bolt passes through one side of the sealing plate 301 and is threadedly connected to the thread groove 1 .

[0042] Specifically, the sealing plate 301 is fixed by bolts.

[0043] like Figure 1 、 Figure 2 and Figure 3 As shown, a connecting frame 403 is provided on the outer surface of the auger conveyor 4, one end of the connecting frame 403 is fixedly connected to the sealing plate 301, one end of the telescopic tube 404 is fixedly connected to the flange 405, and a thread groove 2 is provided on the surface of the frame 1, and the inner wall of the thread groove 2 is threadedly connected with a fixing bolt 406, and one end of the fixing bolt 406 passes through the reserved hole on the surface of the fixed plate 401 and is threadedly connected to the thread groove 2.

[0044] Specifically, the flange 405 is connected to the inlet of the submerged arc furnace, and the telescopic tube 404 undergoes a predetermined deformation, and the raw material enters the submerged arc furnace through the telescopic tube 404 through the auger conveyor 4.

[0045] like Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, the gas transmission assembly includes a collecting shell 501 provided on the surface of the storage bin 3 , a smoke pipe 5 is provided on the surface of the collecting shell 501 , the collecting shell 501 is connected to the smoke pipe 5 , and the collecting shell 501 is connected to the chamber 304 .

[0046] Specifically, the flue gas pipe 5 is connected to the exhaust port of the submerged arc furnace, so that the flue gas generated by the submerged arc furnace enters the chamber 304 of the storage bin 3 through the flue gas pipe 5 and the collecting shell 501, and enters the interior of the storage bin 3 through the air flow holes 305 on the inner wall of the chamber 304, and the raw material is dried by the flue gas.

[0047] like Figure 4 As shown, the opposite surfaces of the inner wall of the storage bin 3 are fixedly connected with the guide block 1 302 , and the bottom of the inner wall of the storage bin 3 is fixedly connected with the guide block 2 303 .

[0048] Specifically, the raw material is guided inside the storage bin 3 by the guide block 1 302 and the guide block 2 303 .

[0049] Working principle:

[0050] During use, the worker connects the smoke pipe 5 to the smoke outlet of the submerged arc furnace, so that the smoke generated by the submerged arc furnace enters the chamber 304 of the storage bin 3 through the smoke pipe 5 and the collecting shell 501. At the same time, the worker adds the raw material into the storage bin 3 through the hopper 2, and the raw material is dried by the smoke.

[0051] At this time, the telescopic hydraulic cylinder 6 is used to make the crushing plate 1 602 squeeze the raw material, and at the same time, the crushing plate 2 603 cooperates with the crushing plate 1 602 to crush the raw material. The guide block 1 302 and the guide block 2 303 are combined to facilitate the crushed raw material to enter the auger conveyor 4 through the conveying pipe 402. At the same time, the raw material is allowed to enter the smelting furnace through the telescopic pipe 404 through the auger conveyor 4.

[0052] The above are merely preferred embodiments of the present application and are not intended to limit the present application. Those skilled in the art will readily appreciate that various modifications and variations are possible. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A submerged arc furnace charging energy-saving drying device, characterized in that: include: Frame (1); A hopper (2), the hopper (2) being arranged on the top of the frame (1); A storage bin (3), wherein a sealing plate (301) is provided at the bottom of the storage bin (3); An auger conveyor (4), wherein a fixed plate (401) is fixedly connected to the surface of the frame (1), the auger conveyor (4) is installed on the surface of the fixed plate (401), one end of the auger conveyor (4) is fixedly connected to a telescopic tube (404), an opening is formed on the surface of the sealing plate (301), a conveying tube (402) is fixedly connected to the inner wall of the opening, and the conveying tube (402) is connected to the auger conveyor (4); A telescopic hydraulic cylinder (6), wherein a connecting plate (601) is fixedly connected to the surface of the frame (1), the telescopic hydraulic cylinder (6) is mounted on the surface of the connecting plate (601), an output end of the telescopic hydraulic cylinder (6) is fixedly connected to a crushing plate 1 (602), and a crushing plate 2 (603) that matches the crushing plate 1 (602) is fixedly connected to the inner wall of the storage bin (3); A gas delivery component is provided on the surface of the gas delivery component with the outer surface of a storage bin (3), a chamber (304) is provided inside the storage bin (3), and a plurality of air flow holes (305) are provided on the inner wall of the chamber (304).

2. The energy-saving drying device for charging a submerged arc furnace according to claim 1, characterized in that: A holder (102) is provided on the surface of the top end of the frame (1), a slot (103) is provided on the end surface of the holder (102), the storage bin (3) is connected to the inner wall of the slot (103), and a plurality of fixing holes (101) are provided on the surface of the frame (1).

3. The energy-saving drying device for charging a submerged arc furnace according to claim 1, characterized in that: A threaded groove 1 is provided at the bottom of the storage bin (3), and a bolt is threadedly connected to the inner wall of the threaded groove 1. The bolt passes through one side of the sealing plate (301) and is threadedly connected to the threaded groove 1.

4. The energy-saving drying device for charging a submerged arc furnace according to claim 1, characterized in that: The outer surface of the auger conveyor (4) is provided with a connecting frame (403), one end of the connecting frame (403) is fixedly connected to the sealing plate (301), one end of the telescopic tube (404) is fixedly connected to a flange (405), a second thread groove is provided on the surface of the frame (1), the inner wall of the second thread groove is threadedly connected to a fixing bolt (406), and one end of the fixing bolt (406) passes through a reserved hole on the surface of the fixing plate (401) and is threadedly connected to the second thread groove.

5. The energy-saving drying device for charging a submerged arc furnace according to claim 1, characterized in that: The gas transmission assembly comprises a collecting shell (501) provided on the surface of the storage bin (3); a smoke pipe (5) is provided on the surface of the collecting shell (501); the collecting shell (501) is connected to the smoke pipe (5); and the collecting shell (501) is connected to the chamber (304).

6. The energy-saving drying device for charging a submerged arc furnace according to claim 2, characterized in that: A threaded hole is provided on the surface of the clamping frame (102), and a connecting bolt (104) is threadedly connected to the inner wall of the threaded hole. One end of the connecting bolt (104) passes through the reserved hole of the hopper (2) and the reserved hole of the storage bin (3) and is threadedly connected to the threaded hole.

7. The energy-saving drying device for charging a submerged arc furnace according to claim 1, characterized in that: The opposite surfaces of the inner wall of the storage bin (3) are fixedly connected with a first guide block (302), and the bottom of the inner wall of the storage bin (3) is fixedly connected with a second guide block (303).

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