Kiln material distribution device for iron and steel smelting

Abstract

The utility model discloses a kiln material distribution device for iron and steel smelting, and relates to the technical field of kiln material distribution, the kiln material distribution device comprises a kiln main body, the top end of the kiln main body is respectively provided with a material crushing device and a plurality of feed ports, and a screen is fixedly connected between the inner walls of the kiln main body. Two material crushing rollers are rotationally connected between the inner walls of the material crushing device, the top end of the kiln body is fixedly connected with a driving device, and the driving device is used for driving the material crushing rollers and the material storage device to rotate synchronously. According to the kiln material distribution device for iron and steel smelting, the material crushing device is arranged at the top end of the kiln main body, when some hard materials are added, in order to prevent the hard materials from caking and being difficult to crush through common stirring, the hard materials are added through the material crushing device and are ground through a material crushing roller at the material crushing device, so that the material crushing efficiency is improved; therefore, the materials are crushed again, and the phenomenon that the caked materials are directly added into the kiln to affect the reaction efficiency and the quality of finished products is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of kiln material distribution, in particular to a kiln material distribution device used for steel smelting. Background Art

[0002] Publication No.: CN210663936U, Name: A kiln charging device for steel smelting, which discloses: it comprises a vertically arranged main feeding trough, the main feeding trough is a square trough body with an opening at the bottom, branch feeding troughs are arranged obliquely on both sides of the main feeding trough, the main feeding trough is connected with the branch feeding trough, a feeding hopper is arranged at the top of the branch feeding trough, a motor is arranged directly above the main feeding trough, the motor is fixedly connected to the top surface of the main feeding trough through a motor frame, the motor is connected to a rotating shaft, a charging blade is fixedly connected to the bottom end of the rotating shaft, a charging device is arranged directly below the main feeding trough, and the charging device is provided. The feeder is in the shape of a quadrangular prism. The distributor is fixedly connected to the bottom end of the main feed trough through a hanging column. The main feed trough is fixedly connected to a sealing cover around it. The sealing cover is fixedly covered on the kiln inlet. The branch feed trough is located above the sealing cover. The distributor is located below the sealing cover. The outlet of the branch feed trough is located above the distributor blade. The utility model has a simple structure. Different materials enter from both sides of the main feed trough for preliminary mixing. During the falling process, they are broken up by the high-speed rotating distributor blades for full mixing. The fully mixed materials enter the distributor for dispersion and distribution, so that the materials are evenly arranged around the kiln, saving electricity and achieving high sintering quality.

[0003] The above disclosed content can only vertically mix different materials, which include but are not limited to lime, silicon carbide, etc. If lime is not stored properly during storage and transportation, it is easy to clump. After the lumps of lime are added into the kiln, it is difficult to break them up by simple rotation and stirring, making it difficult to achieve uniform distribution. The accumulation of lumps of lime will affect the reaction speed and efficiency, thereby affecting the quality of the finished product. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a kiln distribution device for steel smelting, which solves the problem that the above-mentioned disclosure can only mix different materials vertically. These materials include but are not limited to lime, silicon carbide, etc., and if lime is not stored properly during storage and transportation, it is easy to agglomerate. After the lumps of lime are added into the kiln, it is difficult to break them up by simple rotation and stirring, making it difficult to achieve uniform distribution. The accumulation of lumps of lime will affect the reaction speed and efficiency, thereby affecting the quality of the finished product.

[0005] To achieve the above purpose, the utility model is implemented through the following technical solutions: a kiln feeding device for steel smelting, including a kiln main body, a crushing device and a plurality of feed ports are respectively arranged at the top of the kiln main body, a screen is fixedly connected between the inner walls of the kiln main body, the screen is specifically a funnel-shaped structure with the tip pointing downward, a storage device is rotatably connected to the inner wall of the top of the kiln main body, the feed port is communicated with the storage device, a plurality of grinding devices are fixedly connected to the upper surface of the screen, the ends of the grinding devices extend into the storage device, two crushing rollers are rotatably connected between the inner walls of the crushing device, the storage device includes a storage box, and a driving device is fixedly connected to the top of the kiln main body, and the driving device is used to drive the crushing rollers and the storage device to rotate synchronously.

[0006] Preferably, the driving device includes a motor, the output shaft of the motor extends into the top of the kiln body, the end of the motor output shaft is fixedly connected with a main gear, the top of the storage device extends into the top of the kiln body, the peripheral side of the top of the storage device is fixedly connected with a sub-gear meshing with the main gear, and a transmission device is arranged between the main gear and the crushing roller.

[0007] Preferably, the ends of the two crushing rollers are fixedly connected with a third gear, and the two third gears are meshed with each other. The transmission device includes a first gear and a second gear that are meshed with each other, and the end of one of the third gears and the top of the second gear are fixedly connected with a bevel gear, and the two bevel gears are meshed with each other, and the first gear is meshed with the main gear.

[0008] Preferably, a cavity is provided at the top of the kiln body, and the two crushing rollers are both transversely arranged in the cavity and rotatably connected thereto.

[0009] Preferably, a screening hole is provided at the bottom end of the storage box.

[0010] Preferably, a first stirring rod is disposed on the upper surface of the screen, and the top end of the first stirring rod extends into the top end of the kiln body and is fixedly connected to the driving device.

[0011] Preferably, the grinding device comprises a shaft rod, the top end of which extends into the material storage box, and a plurality of second stirring rods are fixedly connected to the peripheral side of one end of the shaft rod extending into the material storage box.

[0012] Beneficial Effects

[0013] The utility model provides a kiln charging device for steel smelting. Compared with the prior art, it has the following beneficial effects:

[0014] (1) The kiln material distribution device for steel smelting is provided with a crushing device at the top of the kiln body. When adding some hard materials, in order to prevent them from agglomerating and difficult to be crushed by ordinary stirring, they are added through the crushing device and crushed by the crushing roller at the crushing device, so as to realize re-crushing of the materials and avoid adding agglomerated materials directly into the kiln to affect the reaction efficiency and the quality of the finished product.

[0015] (2) The kiln charging device for steel smelting is provided with a feed port at the top of the kiln body, the feed port is communicated with a storage box, the storage box is rotatably connected with the kiln body, and a grinding device is provided in the storage box, so that when a soft material is added thereto, the material can collide with the grinding device under the rotation of the storage box, thereby achieving grinding and crushing of the material, and then the material can be re-ground and crushed before adding, thereby avoiding the agglomerated material from being directly added into the kiln, which affects the reaction efficiency and the quality of the finished product.

[0016] (3) The kiln material distribution device for steel smelting has a screen fixedly installed in the kiln body, and a first stirring rod is rotatably arranged on the inner wall of the screen, so that after the crushed material falls onto the screen, it is mixed under the stirring of the first stirring rod and falls during the stirring process so that it is evenly distributed at the bottom of the kiln body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the internal structure of the kiln main body of the utility model;

[0019] Figure 3 It is an exploded schematic diagram of the connection structure of the material storage box, the driving device and the crushing roller of the utility model;

[0020] Figure 4 This is a schematic diagram of the connection structure of the crushing roller of the utility model;

[0021] Figure 5 It is a schematic diagram of the local structure of the crushing roller of the utility model.

[0022] In the figure: 1. kiln body; 11. cavity; 2. crushing device; 21. crushing roller; 22. third gear; 3. feed inlet; 4. driving device; 41. motor; 42. main gear; 43. first stirring rod; 5. screen; 6. grinding device; 7. storage device; 71. storage box; 72. sub-gear; 8. transmission device; 81. first gear; 82. second gear; 83. bevel gear. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5 The utility model provides a technical solution: a kiln charging device for steel smelting, comprising a kiln body 1, a crushing device 2 and a plurality of feed ports 3 are respectively arranged at the top of the kiln body 1, a screen 5 is fixedly connected between the inner walls of the kiln body 1, the screen 5 is specifically a funnel-shaped structure with the tip pointing downward, a storage device 7 is rotatably connected to the inner wall of the top of the kiln body 1, the feed port 3 is communicated with the storage device 7, a plurality of grinding devices 6 are fixedly connected to the upper surface of the screen 5, the ends of the grinding devices 6 extend into the storage device 7, two crushing rollers 21 are rotatably connected between the inner walls of the crushing device 2, a driving device 4 is fixedly connected to the top of the kiln body 1, and the driving device 4 is used to drive the crushing rollers 21 and the storage device 7 to rotate synchronously.

[0025] Specifically, the kiln body 1 is of prior art, soft materials are added through the feed port 3, hard materials are added through the crushing device 2, the screen 5 screens the added materials, and the screened materials enter the bottom of the kiln body 1. The funnel-shaped structure enables the materials to slide on the screen 5. During the sliding process, the materials will be mixed to a certain extent. The end of the grinding device 6 extends into the storage device 7. Through the rotation of the storage device 7, the soft materials will collide with the grinding device 6, so that the soft materials are ground and crushed, avoiding the agglomerated materials from directly entering the kiln body 1, and the crushing roller 21 rotates to crush the hard materials.

[0026] The driving device 4 includes a motor 41, the output shaft of the motor 41 extends into the top of the kiln body 1, the end of the output shaft of the motor 41 is fixedly connected with a main gear 42, the top of the storage device 7 extends into the top of the kiln body 1, the peripheral side of the top of the storage device 7 is fixedly connected with a sub-gear 72 meshing with the main gear 42, and a transmission device 8 is arranged between the main gear 42 and the crushing roller 21.

[0027] Specifically, the motor 41 is of prior art and provides power for the rotation of the main gear 42. The rotation of the main gear 42 drives the sub-gear 72 to rotate. The rotation of the sub-gear 72 drives the storage device 7 to rotate, thereby providing power for grinding. The setting of the transmission device 8 enables the rotation of the main gear 42 to synchronously drive the crushing roller 21 to rotate, thereby crushing the material.

[0028] The ends of the two crushing rollers 21 are fixedly connected with the third gears 22, and the two third gears 22 are meshed with each other. The transmission device 8 includes a first gear 81 and a second gear 82 that are meshed with each other, and the end of one of the third gears 22 and the top of the second gear 82 are fixedly connected with a bevel gear 83, and the two bevel gears 83 are meshed with each other. The first gear 81 is meshed with the main gear 42.

[0029] Specifically, there are two third gears 22, and they are meshed with each other, so that when one of the crushing rollers 21 rotates, it drives the other crushing roller 21 to rotate synchronously, the main gear 42 rotates, driving the first gear 81 to rotate, the first gear 81 rotates, driving the second gear 82 to rotate, the second gear 82 rotates, driving the bevel gear 83 fixedly connected to it to rotate, thereby driving the other bevel gear 83 meshed with it to rotate, and the other bevel gear 83 is fixedly connected to one of the third gears 22, so that the crushing roller 21 can be driven to rotate.

[0030] A cavity 11 is formed at the top of the kiln body 1 , and two crushing rollers 21 are both transversely disposed in the cavity 11 and rotatably connected thereto.

[0031] Specifically, the crushing roller 21 is arranged in the cavity 11 , and the hard material enters the kiln body 1 through the cavity 11 .

[0032] The material storage device 7 comprises a material storage box 71 , and a screening hole is formed at the bottom end of the material storage box 71 .

[0033] Specifically, the ground material is screened through the screening holes and falls onto the screen 5 for mixing.

[0034] A first stirring rod 43 is disposed on the upper surface of the screen 5 , and a top end of the first stirring rod 43 extends into the top end of the kiln body 1 and is fixedly connected to the driving device 4 .

[0035] Specifically, the first stirring rod 43 is fixedly connected to the main gear 42 , and the rotation of the main gear 42 also drives the first stirring rod 43 to rotate, so as to mix and stir the materials falling onto the screen 5 so that the materials fall evenly to the bottom of the kiln body 1 .

[0036] The grinding device 6 includes a shaft rod, the top end of which extends into the material storage box 71 , and a plurality of second stirring rods are fixedly connected to the peripheral side of one end of the shaft rod extending into the material storage box 71 .

[0037] Specifically, the shaft is fixedly connected to the screen 5, so that the second stirring rod is fixed, and during the rotation of the material storage box 71, the material collides with the second stirring rod to achieve the grinding function.

[0038] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0039] During operation, different materials only need to be added through the feed port 3 and the crushing device 2, and then the motor 41 is started. The motor 41 drives the storage box 71 and the crushing roller 21 to rotate to crush the materials. The crushed materials fall onto the screen 5. Under the rotation of the first stirring rod 43, the materials are mixed together and fall evenly to the bottom of the kiln body 1.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A furnace charging device for steel smelting, comprising a furnace body (1), characterized in that: The top of the kiln main body (1) is respectively provided with a crushing device (2) and a plurality of feed ports (3); A screen (5) is fixedly connected between the inner walls of the kiln body (1), and the screen (5) is specifically a funnel-shaped structure with a tip facing downward; The inner wall of the top of the kiln body (1) is rotatably connected to a material storage device (7), the material inlet (3) is in communication with the material storage device (7), a plurality of grinding devices (6) are fixedly connected to the upper surface of the screen (5), the ends of the grinding devices (6) extend into the material storage device (7), and the material storage device (7) comprises a material storage box (71); Two crushing rollers (21) are rotatably connected between the inner walls of the crushing device (2); A driving device (4) is fixedly connected to the top of the kiln body (1), and the driving device (4) is used to drive the crushing roller (21) and the material storage box (71) to rotate synchronously.

2. A furnace charge distribution device for steel smelting according to claim 1, characterized in that: The driving device (4) comprises a motor (41), the output shaft of the motor (41) extends into the top end of the kiln body (1), the end of the output shaft of the motor (41) is fixedly connected to a main gear (42), the top end of the storage device (7) extends into the top end of the kiln body (1), the peripheral side of the top end of the storage device (7) is fixedly connected to a sub-gear (72) meshing with the main gear (42), and a transmission device (8) is provided between the main gear (42) and the crushing roller (21).

3. A furnace charge distribution device for steel smelting according to claim 2, characterized in that: The ends of the two shredder rollers (21) are fixedly connected to a third gear (22), the two third gears (22) are meshed with each other, the transmission device (8) comprises a first gear (81) and a second gear (82) that are meshed with each other, the end of one of the third gears (22) and the top of the second gear (82) are fixedly connected to a bevel gear (83), the two bevel gears (83) are meshed with each other, and the first gear (81) is meshed with the main gear (42).

4. The kiln charging device for steel smelting according to claim 1, characterized in that: A cavity (11) is provided at the top of the kiln body (1), and the two crushing rollers (21) are both transversely arranged in the cavity (11) and rotatably connected thereto.

5. The kiln charging device for steel smelting according to claim 1, characterized in that: The bottom end of the material storage box (71) is provided with a screening hole.

6. The kiln charging device for steel smelting according to claim 1, characterized in that: A first stirring rod (43) is disposed on the upper surface of the screen (5), and the top end of the first stirring rod (43) extends into the top end of the kiln body (1) and is fixedly connected to the driving device (4).

7. The kiln charging device for steel smelting according to claim 1, characterized in that: The grinding device (6) comprises a shaft rod, the top end of which extends into the material storage box (71), and a plurality of second stirring rods are fixedly connected to the peripheral side of one end of the shaft rod extending into the material storage box (71).

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