Blast furnace bin flow guide device

Abstract

The invention belongs to the technical field of blast furnace bin flow guiding, and particularly relates to a blast furnace bin flow guiding device which comprises a conveying frame, a premixing frame is fixedly connected to the upper surface of the conveying frame, a feeding opening is formed in the upper surface of the premixing frame, and a premixing assembly is arranged in the conveying frame; the premixing assembly is used for premixing coke and raw iron ore and comprises a premixing rake arranged at the top end of a premixing frame in a sliding mode. A conveying assembly is arranged in the conveying frame, and the conveying assembly is used for conveying the premixed raw iron ore and coke mixture; a discharging opening is formed in one side of the conveying frame, a buffering assembly is arranged on the lower surface of the discharging opening, the buffering assembly is used for dispersing and buffering mixed materials, the buffering assembly comprises an annular frame fixedly connected to the lower surface of the discharging opening, and the annular frame passes through a flow guide frame; the problem that the blast furnace is abraded due to the fact that the inner wall of one side of the blast furnace is scoured by the raw iron ore and the coke stone for a long time is solved.

Description

Technical Field

[0001] The invention belongs to the technical field of blast furnace bunker flow diversion, in particular to a blast furnace bunker flow diversion device. Background Art

[0002] As the core equipment in the steel smelting process, blast furnace silos store key smelting raw materials such as iron ore and coke. They are usually made of high-strength, corrosion-resistant steel plates and steel bars to ensure that the blast furnace can continuously and stably obtain the required materials, thereby maintaining efficient production. The smooth operation of blast furnace silos is directly related to the production efficiency and product quality of the blast furnace, and is an indispensable part of the steel smelting process.

[0003] In the existing blast furnace smelting process, the loading basket first moves down along the conveyor belt to the storage bin, and first loads a basket of crushed pig iron ore. The loading basket then moves along the conveyor belt to the top of the blast furnace, and the pig iron ore is poured into the material tank at the top of the blast furnace. The pig iron ore that passes through the material tank falls along the inner wall of the blast furnace, and then a basket of coke is loaded into the material tank of the blast furnace. This process is repeated to smelt molten iron. However, during the loading process, when the loading basket is pouring materials, the pig iron ore will directly rub against the inner wall of one side of the blast furnace after passing through the material tank. This long-term scouring of the inner wall of the blast furnace will cause greater wear on the inner wall of the blast furnace, affecting the life of the blast furnace.

[0004] To this end, the present invention provides a blast furnace bunker guide device. Summary of the invention

[0005] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0006] The technical solution adopted by the present invention to solve the technical problem is as follows: a blast furnace bunker guide device described in the present invention comprises a conveying frame, a premixing frame is fixedly connected to the upper surface of the conveying frame, a feed port is opened on the upper surface of the premixing frame, a premixing assembly is arranged inside the conveying frame, the premixing assembly is used for premixing coke and pig iron ore, and the premixing assembly comprises a premixing rake slidably arranged on the top of the premixing frame;

[0007] A conveying assembly is provided inside the conveying frame, and the conveying assembly is used to convey the premixed pig iron ore and coke mixture;

[0008] A discharge port is provided on one side of the conveying frame, and a buffer component is arranged on the lower surface of the discharge port, and the buffer component is used for dispersing and buffering the mixed material. The buffer component includes an annular frame fixedly connected to the lower surface of the discharge port, and a guide frame is rotatably connected to the lower surface of the annular frame, and a discharge trough is provided on the lower surface of the guide frame, and the discharge trough is used for discharge of the mixed material.

[0009] Preferably, an annular guide groove is formed on the lower surface of the annular frame, and two guide rods are fixedly connected to the upper surface of the guide frame, so that the guide frame can rotate along the annular guide groove through the guide rods.

[0010] Preferably, a bending point is provided in the middle of the guide frame, and the mixture is buffered by the bending point of the guide frame. At the same time, the mixture is dispersed and discharged by the rotating guide frame to prevent only one side of the inner wall of the blast furnace from being scoured.

[0011] Preferably, the premix assembly includes a top plate fixedly connected to the upper surface of the premix frame, a positioning frame fixedly connected in the premix frame, two unloading plates rotatably arranged in the positioning frame, a second trough body is opened on one side of the positioning frame, a connecting plate rotatably connected in the second trough body, a first motor is fixedly connected to the upper surface of the top plate, the output end of the first motor is transmission-connected with a belt, the end of the belt away from the first motor is transmission-connected with a reciprocating screw, the circumferential surface of the reciprocating screw is slidably connected with a sliding rod, the surface of the sliding rod is fixedly connected to a connecting frame, and the surface of the connecting frame is fixedly connected to two premixing rakes.

[0012] Preferably, the two premixing rakes are fixedly connected to two sides of the connection frame, and the two premixing rakes are arranged crosswise and inversely to better premix the materials.

[0013] Preferably, a first cavity is provided inside the sliding rod, a gear is rotatably connected inside the first cavity, the gear is meshed with a first rack plate, the gear is also meshed with a second rack plate, a cleaning plate is fixedly connected to the lower surface of the second rack plate, a first groove is provided inside the connecting frame, the cleaning plate is retracted in the first groove, a positioning plate is fixedly connected to one side of the first rack plate, an elastic member is provided on the side of the sliding rod corresponding to the first rack plate, and the elastic member is used to reset the first rack plate.

[0014] Preferably, the elastic member includes a second cavity opened at the top end of the sliding rod, the top wall of the second cavity is fixedly connected with a compression spring, the bottom end of the compression spring is fixedly connected with a fixing block, and the lower surface of the fixing block abuts against the first rack plate.

[0015] Preferably, the cleaning plate is made of rubber material, which can reduce scratches on the surface of the blanking plate during the cleaning process.

[0016] Preferably, the conveying assembly includes a third motor fixedly connected to one side of the conveying frame, and the output end of the third motor is rotatably connected to two augers, and the two augers are used for conveying the premixed mixed material.

[0017] Preferably, a second motor is fixedly connected to a side of the conveying frame away from the third motor, and an output end of the second motor is rotatably connected to a rotating shaft, and a plurality of stirring rods are fixedly connected to a circumferential surface of the rotating shaft, and the plurality of stirring rods are used to prevent the mixed material ore from accumulating on the auger.

[0018] The beneficial effects of the present invention are as follows:

[0019] 1. The blast furnace silo guide device described in the present invention disperses and discharges the mixed material through a rotating guide frame, so that the mixed pig iron ore and coke can be evenly spread on the bottom of the blast furnace during the discharge process, thereby improving the smelting efficiency of the blast furnace. At the same time, the set guide frame can reduce the impact force of the falling ore during the discharge process, so that the mixed material will no longer only scour the inner wall of one side of the blast furnace, thereby protecting the inner wall of the blast furnace to a certain extent and extending the service life of the blast furnace.

[0020] 2. The blast furnace silo guide device described in the present invention pushes all the materials onto the two discharge plates by rotating the connecting plate. Due to the increase of materials, the horizontal plane of the materials in the premixing frame will increase. The materials with increased horizontal plane will squeeze the positioning plate and raise the height of the positioning plate. In the process of the positioning plate being raised, it will drive the first rack plate fixed to one side thereof. The rotation of the first rack plate will drive the gear to rotate. The rotation of the gear will drive the second rack plate to move downward. The downward movement of the second rack plate pushes out the cleaning plate, so that the cleaning plate abuts against the upper surfaces of the two discharge plates, thereby scraping off the ore powder adhered to the surfaces of the two discharge plates, so that the two discharge plates are restored to be smooth and the discharge effect is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be further described below in conjunction with the accompanying drawings.

[0022] Figure 1 is a three-dimensional diagram of the first embodiment of the present invention;

[0023] Figure 2 is a bottom view of the main body of the present invention;

[0024] Figure 3 It is a structural schematic diagram of the annular frame of the present invention;

[0025] Figure 4 It is a schematic diagram of the split structure of the annular frame of the present invention;

[0026] Figure 5 It is a schematic diagram of the structure of the premixing assembly of the present invention;

[0027] Figure 6 is a cross-sectional view of the sliding rod of the present invention;

[0028] Figure 7 It is a structural schematic diagram of the positioning frame of the present invention;

[0029] Figure 8 It is a schematic diagram of the structure of the transmission component of the present invention.

[0030] In the figure: 1, conveying frame; 11, premixing frame; 12, top plate; 13, feed port;

[0031] 2. First motor; 21. Belt; 22. Reciprocating screw; 23. Sliding rod; 24. First cavity; 25. Gear; 26. First rack plate; 27. Positioning plate; 28. Second rack plate; 29. ​​Connecting frame; 210. First tank; 211. Cleaning plate; 212. Second cavity; 213. Compression spring; 214. Fixed block; 215. Premixing rake; 216. Unloading plate; 217. Positioning frame; 218. Second tank; 219. Connecting plate;

[0032] 3. Second motor; 31. Rotating shaft; 32. Stirring rod; 33. Third motor; 34. Auger; 35. Feeding port;

[0033] 4. annular frame; 41. guide frame; 42. material discharge chute; 43. guide rod; 44. annular guide groove. DETAILED DESCRIPTION

[0034] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0035] Embodiment 1: Figures 1 to 8 As shown, a blast furnace silo guide device described in an embodiment of the present invention includes a conveying frame 1, a premixing frame 11 is fixedly connected to the upper surface of the conveying frame 1, a feeding port 13 is provided on the upper surface of the premixing frame 11, a premixing component is arranged inside the conveying frame 1, the premixing component is used for premixing coke and pig iron ore, and the premixing component includes a premixing rake 215 slidably arranged on the top of the premixing frame 11; a conveying component is arranged inside the conveying frame 1, and the conveying component is used for conveying the premixed pig iron ore and coke mixture; a discharge port 35 is provided on one side of the conveying frame 1, a buffer component is provided on the lower surface of the discharge port 35, and the buffer component is used for dispersing and buffering the mixture, and the buffer component includes an annular frame 4 fixed to the lower surface of the discharge port 35, a guide frame 41 is rotatably connected to the lower surface of the annular frame 4, and a discharge trough 42 is provided on the lower surface of the guide frame 41, and the discharge trough 42 is used for discharge of the mixture.

[0036] Specifically, in the existing blast furnace smelting process, first, the feeding basket moves down along the conveyor belt to the storage bin, first loads a basket of crushed pig iron ore, and then moves along the conveyor belt to the top of the blast furnace, pours the pig iron ore into the material tank at the top of the blast furnace, and the pig iron ore passing through the material tank falls along the inner wall of the blast furnace, and then loads a basket of coke into the material tank of the blast furnace, and repeats this process to smelt molten iron. However, during the feeding process, during the pouring process of the feeding basket, the pig iron ore will directly rub against the inner wall of one side of the blast furnace after passing through the material tank, so that the inner wall of the blast furnace is eroded for a long time, causing greater wear on the inner wall of the blast furnace, which affects the life of the blast furnace.

[0037] Therefore, the present invention solves this problem by setting a certain structure. First, the loading basket pours the loaded pig iron ore and coke into the premixing frame 11, and the coke and pig iron ore are mixed by the premixing component in the premixing frame 11, so that the coke and iron ore are more fully in contact before smelting, which is conducive to a faster reduction reaction in the blast furnace. After the premixing is completed, the mixture is discharged and poured into the conveying frame 1. The mixed material is conveyed to the discharge port 35 on one side of the conveying frame 1 through the conveying component in the conveying frame 1, and falls into the annular frame 4 on the lower surface of the discharge port 35, and falls. After entering the annular frame 4, the guide frame 41 connected to the lower surface of the annular frame 4 is started to rotate on the lower surface of the annular frame 4, and the mixed material is dispersed and discharged through the rotating guide frame 41, so that the mixed pig iron ore and coke can be evenly spread on the bottom of the blast furnace during the discharge process, thereby improving the smelting efficiency of the blast furnace. At the same time, the set guide frame 41 can reduce the impact force of the ore falling during the discharge process, so that the mixed material will no longer only wash the inner wall of one side of the blast furnace, thereby protecting the inner wall of the blast furnace to a certain extent and extending the service life of the blast furnace;

[0038] The problem that pig iron ore and coke stone would wash the inner wall of one side of the blast furnace for a long time, causing wear of the blast furnace, was solved.

[0039] like Figure 4 As shown, in this embodiment, an annular guide groove 44 is formed on the lower surface of the annular frame 4 , and two guide rods 43 are fixedly connected to the upper surface of the guide frame 41 . The guide frame 41 can rotate along the annular guide groove 44 through the guide rods 43 .

[0040] Specifically, when the guide frame 41 rotates, the annular guide groove on the lower surface of the annular frame 4 is started, and the annular guide groove is an annular electric guide rail. Then the guide frame 41 slides along the annular guide groove 44 through the two guide rods 43 fixed to its upper surface, thereby driving the guide frame 41 to rotate and discharge materials. Only in this way can the guide frame 41 discharge the mixture evenly to the lower surface of the blast furnace, and the impact force of the mixture on the blast furnace is dispersed to the inner wall of the entire blast furnace, so as to prevent the inner wall of only one side of the blast furnace from being eroded, resulting in the problem of excessive wear and damage of the blast furnace.

[0041] like Figure 3 and Figure 4 As shown, a bending point is provided in the middle of the guide frame 41 of this embodiment, and the mixture is buffered by the bending point of the guide frame 41. At the same time, the mixture is dispersed and discharged by the rotating guide frame 41 to prevent only one side of the inner wall of the blast furnace from being eroded.

[0042] Specifically, by providing the guide frame 41 with an inflection point, when the material falls along the guide frame 41, it will first hit one side of the guide frame 41, thereby reducing the impact force of the material falling, thereby reducing the impact force of the material on the inner wall of the blast furnace, thereby extending the service life of the blast furnace.

[0043] Embodiment 2: Figures 1 to 8 As shown, comparative example 1, wherein another embodiment of the present invention is: a premix assembly comprises a top plate 12 fixedly connected to the upper surface of a premix frame 11, a positioning frame 217 is fixedly connected in the premix frame 11, two unloading plates 216 are rotatably arranged in the positioning frame 217, a second trough 218 is provided on one side of the positioning frame 217, a connecting plate 219 is rotatably connected in the second trough 218, a first motor 2 is fixedly connected to the upper surface of the top plate 12, a belt 21 is transmission-connected to the output end of the first motor 2, a reciprocating screw 22 is transmission-connected to one end of the belt 21 away from the first motor 2, a sliding rod 23 is slidably connected to the circumferential surface of the reciprocating screw 22, a connecting frame 29 is fixedly connected to the surface of the sliding rod 23, and two premix rakes 215 are fixedly connected to the surface of the connecting frame 29.

[0044] Specifically, by starting the first motor 2 on the top plate 12, the first motor 2 drives the belt 21 connected to its output end to start rotating, thereby driving the reciprocating screw 22 at the other end of the belt 21 to rotate, thereby driving the sliding rod 23 slidably connected on the circumferential surface of the reciprocating screw 22, and the sliding rod 23 performs reciprocating linear motion along the reciprocating screw 22, so that the connecting frame 29 fixed on the sliding rod 23 and the two premixing rakes 215 on the surface thereof also perform reciprocating stirring motion. When the premixing is completed, the two unloading plates 216 in the premixing frame 11 are started. The unloading plate 216 is a timed electric control board. The premixing time is set. After the two unloading plates 216 are opened at a certain angle, the premixed pig iron ore and coke fall into the conveying frame 1. After the premixed pig iron ore, the coke and the iron ore are more fully contacted before smelting, which is conducive to faster reduction reaction in the blast furnace, thereby improving production efficiency and improving the smelting utilization rate of the pig iron ore.

[0045] like Figure 5 As shown, in this embodiment, two premixing rakes 215 are fixedly connected to the two sides of the connection frame 29, and the two premixing rakes 215 are arranged in a cross-reverse direction for better premixing.

[0046] Specifically, two cross-reversely arranged premixing rakes 215 reciprocate with the sliding rod 23 through the connecting frame 29 under the drive of the reciprocating screw 22. This cross-reverse stirring method can more effectively turn and mix the materials, thereby improving the uniformity and efficiency of the premix.

[0047] like Figure 6 As shown, a first cavity 24 is provided inside the sliding rod 23 of the present embodiment, a gear 25 is rotatably connected inside the first cavity 24, the gear 25 is meshed with a first rack plate 26, the gear 25 is also meshed with a second rack plate 28, a cleaning plate 211 is fixedly connected to the lower surface of the second rack plate 28, a first groove 210 is provided inside the connecting frame 29, the cleaning plate 211 is retracted in the first groove 210, a positioning plate 27 is fixedly connected to one side of the first rack plate 26, and an elastic member is provided on the side of the sliding rod 23 corresponding to the first rack plate 26, the elastic member is used to reset the first rack plate 26.

[0048] Specifically, when there is a certain amount of moisture in the premixed pig iron ore and coke, after mixing, the ore powder containing moisture will adhere to the surface of the two unloading plates 216 to form a hanging wall, and then cause the upper ore block to be stuck between the two inclined unloading plates 216 during the counter-unloading process. When the specified unloading time is over and the two unloading plates 216 are closed, the remaining mixed materials will be placed in the premixing frame 11, and the loading basket will be reloaded with a certain amount of materials. At this time, the pig iron ore and coke in the premixing frame 11 will increase. When the premixing component is started again, all the materials are pushed to the two unloading plates 216 by rotating the connecting plate 219. The increase of material will cause the horizontal plane of the material in the premixing frame 11 to increase. The increased material on the horizontal plane will squeeze the positioning plate 27 and raise the height of the positioning plate 27. In the process of the positioning plate 27 being raised, it will drive the first rack plate 26 fixed to one side thereof. The rotation of the first rack plate 26 will drive the gear 25 to rotate. The rotation of the gear 25 will drive the second rack plate 28 to move downward. The downward movement of the second rack plate 28 pushes out the cleaning plate 211, so that the cleaning plate 211 abuts against the upper surfaces of the two unloading plates 216, thereby scraping off the ore powder adhered to the surfaces of the two unloading plates 216, so that the two unloading plates 216 are restored to be smooth, thereby improving the unloading effect.

[0049] like Figure 6 As shown, the elastic member of this embodiment includes a second cavity 212 opened at the top of the sliding rod 23, the top wall of the second cavity 212 is fixedly connected with a compression spring 213, the bottom end of the compression spring 213 is fixedly connected with a fixing block 214, and the lower surface of the fixing block 214 is in contact with the first rack plate 26.

[0050] Specifically, after the two stacked materials are discharged, the sliding rod 23 is reset by the elastic member in the second cavity 212. When the scraped discharge plate 216 is opened to allow the materials to be discharged, the elastic member squeezes the positioning plate 27 to reset, thereby driving the cleaning plate 211 back to the first slot 210 of the connecting frame 29, thereby protecting the cleaning plate 211. The connection frame 29 is not used to directly scrape the discharge plate 216 during premixing in order to prevent the uninterrupted scraping of the discharge material from possible wear, so that the smooth material on the surface of the discharge plate 216 is scraped back and forth. The cleaning plate 211 is only used when the materials are not discharged completely due to blockage. The accumulation of the two materials causes the positioning plate 27 to rise, triggering the cleaning plate 211 to move down, thereby cleaning the discharge plate 216, and also protecting the cleaning plate 211 during the premixing process to reduce the collision and friction with the ore, thereby increasing the service life of the cleaning plate 211.

[0051] like Figure 6 As shown, the cleaning plate 211 of this embodiment is made of rubber material, which can reduce scratches on the surface of the blanking plate 216 during the cleaning process.

[0052] Specifically, by setting the material of the cleaning plate 211 to rubber material, the effect of protecting the blanking plate 216 is achieved, and the scraping effect is improved.

[0053] Embodiment 3: Figure 8 As shown, another embodiment of the present invention is: the conveying assembly includes a third motor 33 fixedly connected to one side of the conveying frame 1, and the output end of the third motor 33 is rotatably connected to two augers 34, and the two augers 34 are used for conveying the premixed mixed material.

[0054] Specifically, the third motor 33 drives two augers 34 to rotate on one side of the conveying frame 1. The spiral blades of the augers 34 push the premixed mixture from one end to the other end to achieve continuous and stable material transmission. This transmission method can ensure that the mixture remains uniform during the transmission process to avoid blockage and accumulation.

[0055] like Figure 8 As shown, in this embodiment, a second motor 3 is fixedly connected to a side of the conveying frame 1 away from the third motor 33, and an output end of the second motor 3 is rotatably connected to a rotating shaft 31, and a plurality of stirring rods 32 are fixedly connected to the circumferential surface of the rotating shaft 31, and the plurality of stirring rods 32 are used to prevent the mixed material ore from accumulating on the auger 34.

[0056] Specifically, the second motor 3 drives the rotating shaft 31 to rotate, driving the stirring rod 32 thereon to stir the mixture near the auger 34, effectively preventing the mixture ore from accumulating or sticking on the blades of the auger 34, ensuring that the auger 34 can smoothly transfer the mixture from one end of the conveying frame 1 to the other end.

[0057] Working principle: first, the loading basket pours the loaded pig iron ore and coke into the premixing frame 11, and by starting the first motor 2 on the top plate 12, the first motor 2 drives the belt 21 connected to its output end to start rotating, thereby driving the reciprocating screw 22 at the other end of the belt 21 to rotate, thereby driving the sliding rod 23 slidably connected on the circumferential surface of the reciprocating screw 22, and the sliding rod 23 makes a reciprocating linear motion along the reciprocating screw 22, so that the connecting frame 29 fixed on the sliding rod 23 and the two premixing rakes 21 on its surface 5, and then reciprocating stirring motion is performed. After the premixing is completed, the two unloading plates 216 in the premixing frame 11 are started. The unloading plates 216 are timed electric control plates. The premixing material is set with a premixing time. After the two unloading plates 216 are opened at a certain angle, the premixed pig iron ore and coke fall into the conveying frame 1. After the premixed pig iron ore, the coke and the iron ore are more fully contacted before smelting, which is conducive to faster reduction reaction in the blast furnace, improving production efficiency and improving the smelting utilization rate of pig iron ore;

[0058] After the mixture is poured into the conveying frame 1, the third motor 33 drives two augers 34 to rotate on one side of the conveying frame 1, and the spiral blades of the augers 34 push the premixed mixture from one end to the other end to achieve continuous and stable material transmission. This transmission method can ensure that the mixture remains uniform during the transmission process to avoid blockage and accumulation. The augers 34 in the conveying frame 1 transmit the mixed material to the discharge port 35 on one side of the conveying frame 1, and the material falls into the annular frame 4 on the lower surface of the discharge port 35. After falling into the annular frame 4, the rotation of the lower surface of the annular frame 4 is started. The connected guide frame 41 starts the annular guide groove on the lower surface of the annular frame 4, which is an annular electric guide rail, and then the guide frame 41 slides along the annular guide groove 44 through the two guide rods 43 fixed to its upper surface, so as to drive the guide frame 41 to rotate and discharge materials, so that the guide frame 41 can discharge the mixed material evenly to the lower surface of the blast furnace, and the impact force of the mixed material on the blast furnace is dispersed to the inner wall of the entire blast furnace, so as to prevent the inner wall of only one side of the blast furnace from being eroded, resulting in the problem of excessive wear and damage of the blast furnace, thereby extending the service life of the blast furnace;

[0059] When there is a certain amount of moisture in the premixed pig iron ore and coke, after mixing, the ore powder containing moisture will adhere to the surface of the two unloading plates 216 to form a hanging wall, and then cause the upper ore block to be stuck between the two tilted unloading plates 216 during the counter-unloading process. When the specified unloading time is over and the two unloading plates 216 are closed, the remaining mixed materials will be placed in the premixing frame 11, and the loading basket will be reloaded with a certain amount of materials. At this time, the pig iron ore and coke in the premixing frame 11 will increase. When the premixing component is started again, all the materials are pushed to the two unloading plates 216 by rotating the connecting plate 219. Due to the material The increase will cause the horizontal plane of the material in the premixing frame 11 to increase. The increased material on the horizontal plane will squeeze the positioning plate 27 and raise the height of the positioning plate 27. In the process of the positioning plate 27 being raised, it will drive the first rack plate 26 fixed to one side thereof. The rotation of the first rack plate 26 will drive the gear 25 to rotate. The rotation of the gear 25 will drive the second rack plate 28 to move downward. The downward movement of the second rack plate 28 pushes out the cleaning plate 211, so that the cleaning plate 211 abuts against the upper surfaces of the two unloading plates 216, thereby scraping off the ore powder adhered to the surfaces of the two unloading plates 216, so that the two unloading plates 216 are restored to be smooth, thereby improving the unloading effect.

[0060] The above shows and describes the basic principles, main features and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A blast furnace bunker guide device, comprising a conveying frame (1), a premixing frame (11) being fixedly connected to the upper surface of the conveying frame (1), a feed port (13) being provided on the upper surface of the premixing frame (11), characterized in that: A premixing assembly is arranged inside the conveying frame (1), and the premixing assembly is used for premixing coke and pig iron ore. The premixing assembly includes a premixing rake (215) slidably arranged on the top of the premixing frame (11); The conveying frame (1) is provided with a conveying assembly inside, and the conveying assembly is used to convey the premixed pig iron ore and coke mixture; A discharge port (35) is provided on one side of the conveying frame (1), and a buffer component is provided on the lower surface of the discharge port (35). The buffer component is used to disperse and buffer the mixed material. The buffer component comprises an annular frame (4) fixedly connected to the lower surface of the discharge port (35), and a guide frame (41) is rotatably connected to the lower surface of the annular frame (4). A discharge trough (42) is provided on the lower surface of the guide frame (41), and the discharge trough (42) is used to discharge the mixed material.

2. A blast furnace bunker guide device according to claim 1, characterized in that: The lower surface of the annular frame (4) is provided with an annular guide groove (44), and the upper surface of the flow guide frame (41) is fixedly connected with two guide rods (43). The flow guide frame (41) can be rotated along the annular guide groove (44) through the guide rods (43).

3. A blast furnace bunker guide device according to claim 2, characterized in that: A bending point is provided in the middle of the guide frame (41), and the mixed material is buffered by the bending point of the guide frame (41). At the same time, the mixed material is dispersed and discharged by the rotating guide frame (41) to prevent only one side of the inner wall of the blast furnace from being scoured.

4. A blast furnace bunker guide device according to claim 1, characterized in that: The premix assembly comprises a top plate (12) fixedly connected to the upper surface of a premix frame (11); a positioning frame (217) is fixedly connected inside the premix frame (11); two unloading plates (216) are rotatably arranged inside the positioning frame (217); a second trough (218) is provided on one side of the positioning frame (217); a connecting plate (219) is rotatably connected inside the second trough (218); a first motor (2) is fixedly connected to the upper surface of the top plate (12); a belt (21) is transmission-connected to the output end of the first motor (2); a reciprocating screw (22) is transmission-connected to one end of the belt (21) away from the first motor (2); a sliding rod (23) is slidably connected to the circumferential surface of the reciprocating screw (22); a connecting frame (29) is fixedly connected to the surface of the sliding rod (23); and two premixing rakes (215) are fixedly connected to the surface of the connecting frame (29).

5. A blast furnace bunker guide device according to claim 4, characterized in that: The two premixing rakes (215) are fixedly connected to the two sides of the connection frame (29), and the two premixing rakes (215) are arranged in a cross-reverse manner to better premix the materials.

6. A blast furnace bunker flow guide device according to claim 4, characterized in that: A first cavity (24) is provided inside the sliding rod (23), and a gear (25) is rotatably connected inside the first cavity (24). The gear (25) is meshed with a first rack plate (26), and the gear (25) is also meshed with a second rack plate (28). A cleaning plate (211) is fixedly connected to the lower surface of the second rack plate (28). A first groove (210) is provided inside the connecting frame (29), and the cleaning plate (211) is retracted in the first groove (210). A positioning plate (27) is fixedly connected to one side of the first rack plate (26). An elastic member is provided on the side of the sliding rod (23) corresponding to the first rack plate (26), and the elastic member is used to reset the first rack plate (26).

7. A blast furnace bunker guide device according to claim 6, characterized in that: The elastic member comprises a second cavity (212) opened at the top end of the sliding rod (23); a compression spring (213) is fixedly connected to the top wall of the second cavity (212); a fixing block (214) is fixedly connected to the bottom end of the compression spring (213); and a lower surface of the fixing block (214) is in contact with the first rack plate (26).

8. A blast furnace bunker flow guiding device according to claim 6, characterized in that: The cleaning plate (211) is made of rubber material, which can reduce scratches on the surface of the blanking plate (216) during the cleaning process.

9. A blast furnace bunker flow guiding device according to claim 1, characterized in that: The conveying assembly comprises a third motor (33) fixedly connected to one side of the conveying frame (1); the output end of the third motor (33) is rotatably connected to two augers (34); the two augers (34) are used to convey the premixed mixed material.

10. A blast furnace bunker flow guiding device according to claim 9, characterized in that: A second motor (3) is fixedly connected to a side of the conveying frame (1) away from the third motor (33); an output end of the second motor (3) is rotatably connected to a rotating shaft (31); a plurality of stirring rods (32) are fixedly connected to a circumferential surface of the rotating shaft (31); the plurality of stirring rods (32) are used to prevent mixed material ore from piling up on the auger (34).

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