Blast furnace feeding device
By designing a blast furnace loading device, using solenoid control valves, cameras and pressure sensors and other components, efficient and accurate material control is achieved, the problems of motor load and material impact are solved, and the service life of the loading device is extended.
Patent Information
- Application Number
- CN202422372402.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-28
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-09-28
AI Technical Summary
In the existing blast furnace loading device, the motor has heavy load, short service life, and is easy to damage. The material impacts the discharge port during loading, resulting in wear and affecting the life of the loading vehicle.
A feeding device including a silo, a conveyor, a blast furnace body and a hopper is designed. It uses solenoid control valve, a camera, a pressure sensor and a vibration motor to achieve precise control and buffering of materials through chains and sprockets, and reduces the impact on the discharge port.
It improves the service life of the feeding device, reduces the wear of materials on the discharge port, improves the loading efficiency and accuracy, and monitors the material volume through cameras and sensors to ensure efficient loading.
Smart Images
Figure CN223086828U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of blast furnace charging devices, and specifically relates to a blast furnace charging device. Background Art
[0002] Most of the iron in nature exists in the ore in the form of iron oxide. Blast furnace ironmaking is a continuous production process that uses a reducing agent to extract oxygen from the iron oxide of the iron ore to extract metallic iron. The main equipment for blast furnace ironmaking generally includes the blast furnace body, air supply equipment, feeding equipment, slag iron processing equipment and detection and control equipment; the existing iron-making blast furnace generally uses a conveyor belt to feed the blast furnace, specifically, there are mainly silos (used to receive raw materials and coke transported from sintering and pelletizing plants, coking plants and storage plants), screening equipment, weighing devices, furnace top charging equipment, belt conveyors and related gate valves, and generally the motor directly drives the electric roller to feed the material. The motor and the roller are heavily loaded, have a short service life, and are easily damaged; in addition, when unloading after loading, the material has a large impact on the discharge port, which is easy to cause wear and reduce the life of the loading car. In view of this, the utility model is specially proposed. Utility Model Content
[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a blast furnace charging device.
[0004] In order to solve the above technical problems, the basic concept of the technical solution adopted by the utility model is:
[0005] A blast furnace charging device comprises a silo, a conveyor, a blast furnace body and a hopper, wherein a feeding pipe is provided at the bottom of the silo, an electromagnetic control valve is installed in the middle of the feeding pipe, a bracket is fixed on the front end surface of the feeding pipe, a camera is fixed in the middle of the lower end of the bracket, a blast furnace body is provided on one side of the feeding pipe, a feeding port is provided on the top of the blast furnace body, a conveyor is provided between the blast furnace body and the feeding pipe, both sides of the driving shaft and the driven shaft of the conveyor are connected to the chain transmission through sprockets, a plurality of transmission rods are fixed between the two chains, an upper connecting rod is installed on the outside of each transmission rod, the lower end of the upper connecting rod is fixed to the lower connecting rod through a ring buckle, and the bottom of the lower connecting rod is fixed to the hopper;
[0006] A connecting frame is fixed at the bottom of the conveyor, and a recovery trough is arranged below the conveyor.
[0007] Optionally, mounting plates are fixedly installed on both sides of the bracket, and auxiliary lighting lamps are fixed in the middle of the two mounting plates.
[0008] Optionally, a material guide cover is installed on the top of the upper hopper via a fixing bolt.
[0009] Optionally, guide rails for plugging in the lower material plate are symmetrically fixed on both front and rear sides of the middle part of the upper hopper, and the lower material plate is movably connected inside the makeshift groove, and the makeshift groove is opened on the side of the upper hopper. A guide column is fixed in the middle of the makeshift groove, and the guide column passes through and is connected in the guide groove opened in the middle part of the lower material plate.
[0010] Optionally, a buffer pad in contact with the inside of the upper hopper is fixed on one side of the lower material plate, and ball bearings are installed on the upper and lower surfaces of the lower material plate, and the ball bearings are in contact with the surface of the guide rail. The lower end of the lower material plate is fixed with latches meshing with the driving gear at equal intervals, and the driving gear is fixedly mounted on the outside of the output shaft of the motor, and the motor is fixedly mounted on one side of the upper hopper. A protective cover is also fixed on one side of the upper hopper, and a trough for horizontal movement of the lower material plate is opened through the middle of the protective cover, and a remote controller is also fixed to the inside of the protective cover, and a backup power supply box is fixed to the other side of the upper hopper.
[0011] Optionally, a mounting cavity for movement of the resistance plate is provided in the middle of the upper end of the blanking plate, and a pressure sensor is provided inside the mounting cavity.
[0012] Optionally, a vibration plate is symmetrically provided at the inner bottom end of the upper hopper, the vibration plate is connected to the upper hopper through a first spring, and a dustproof accordion cover is fixed between the vibration plate and the upper hopper, a first vibration motor is fixed at the lower end of the vibration plate, and screw holes for installing studs are evenly spaced at the upper end of the vibration plate, and a conical head is fixed to the top of each stud.
[0013] Optionally, the lower end of the recovery trough is connected to the frame through a second spring, a second vibration motor is fixed to the bottom of the recovery trough, and a discharge pipe is installed on one side of the recovery trough.
[0014] After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art. Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described below at the same time:
[0015] The utility model plays the role of loading materials by arranging a conveyor and a loading hopper to cooperate with the blast furnace, and the conveyor can be installed with multiple transmission rods and the loading hopper according to the loading demand, so as to ensure the loading effect. After moving to the loading position, the unloading plate is driven out by the driving motor, so that the material is put into the inside of the blast furnace body. When the material is unloaded, it will first contact with the vibration plate. Compared with the existing loading method, this method makes it unnecessary for the loading vehicle to impact with the discharge port, thereby improving the service life of the loading hopper. In order to improve the loading efficiency, the device can obtain the amount of loading by means of pressure sensors and cameras, that is, the camera can be used to intuitively know the amount of material loaded into the loading hopper, and the pressure sensor can be used to sense the specific weight of the material in the loading hopper.
[0016] The following further describes in detail the specific implementation manners of the present utility model in conjunction with the accompanying drawings. Description of the Drawings
[0017] The accompanying drawings in the following description are only some embodiments. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. In the drawings:
[0018] Figure 1 is the front view sectional structure schematic diagram of the present utility model;
[0019] Figure 2 is the combined part structure diagram of the chain, transmission rod and upper connecting rod in the present utility model;
[0020] Figure 3 is the combined part structure diagram of the blanking plate, clamping teeth and guide post in the present utility model;
[0021] Figure 4 is the combined part structure diagram of the feeding hopper and the material guiding cover in the present utility model;
[0022] Figure 5 is Figure 4 the part structure schematic diagram of part A in
[0023] Figure 6 is Figure 4 the part structure schematic diagram of part B in
[0024] Figure 7 is Figure 4 the part structure schematic diagram of part C in
[0025] In the drawings, the list of components represented by each reference numeral is as follows:
[0026] 1. Silo; 2. Blanking pipe; 3. Electromagnetic control valve; 4. Bracket; 5. Camera; 6. Blast furnace body; 7. Conveyor; 8. Sprocket; 9. Chain; 10. Transmission rod; 11. Upper connecting rod; 12. Ring buckle; 13. Lower connecting rod; 14. Feeding hopper; 15. Recovery tank; 16. Mounting plate; 17. Auxiliary lighting lamp; 18. Blanking plate; 19. Guide rail; 20. Guide post; 21. Buffer pad; 22. Ball; 23. Clamping teeth; 24. Driving gear; 25. Motor; 26. Protective cover; 27. Remote controller; 28. Spare power supply box; 29. Contact plate; 30. Pressure sensor; 31. Vibration plate; 32. First spring; 33. Dust-proof bellows; 34. Stud; 35. Conical head; 36. Second spring; 37. Frame; 38. Discharge pipe; 39. First vibration motor; 40. Second vibration motor.
[0027] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION
[0028] The utility model is now described in further detail with reference to the accompanying drawings.
[0029] See also Figures 1 to 7 The utility model provides a technical solution: a blast furnace charging device, including a silo 1, a conveyor 7, a blast furnace body 6 and an upper hopper 14, a feeding pipe 2 is provided at the bottom of the silo 1, an electromagnetic control valve 3 is installed in the middle of the feeding pipe 2, a bracket 4 is fixed on the front end surface of the feeding pipe 2, a camera 5 is fixed in the middle of the lower end of the bracket 4, a blast furnace body 6 is provided on one side of the feeding pipe 2, a feeding port is provided on the top of the blast furnace body 6, a conveyor 7 is provided between the blast furnace body 6 and the feeding pipe 2, a driving shaft and a driven shaft of the conveyor 7 are both connected to the chain 9 through a sprocket 8 on both sides of the outside, a plurality of transmission rods 10 are fixed between the two chains 9, an upper connecting rod 11 is installed on the outside of each transmission rod 10, the lower end of the upper connecting rod 11 is fixed to the lower connecting rod 13 through a ring buckle 12, and the bottom of the lower connecting rod 13 is fixed to the upper hopper 14;
[0030] A connecting frame is fixed to the bottom of the conveyor 7, and a recovery trough 15 is provided below the conveyor 7. The conveyor 7 and the loading hopper 14 cooperate with each other to load the blast furnace, and the conveyor 7 can be installed with multiple transmission rods 10 and the loading hopper 14 according to the loading requirements to ensure the loading effect. In order to improve the loading efficiency, the device can obtain the amount of loading through the pressure sensor 30 and the camera 5, that is, the camera 5 can be used to intuitively know the amount of material loaded into the loading hopper 14, and the pressure sensor 30 can be used to sense the specific weight of the material in the loading hopper 14.
[0031] Among them, mounting plates 16 are fixedly installed on both sides of the bracket 4, and auxiliary lighting lamps 17 are fixed in the middle of the two mounting plates 16. By setting the auxiliary lighting lamps 17, it is convenient to use the auxiliary lighting lamps 17 to supplement the light when the surrounding light is insufficient to ensure the shooting effect of the camera 5.
[0032] Among them, a material guide cover is installed on the top of the upper hopper 14 through a fixing bolt. By setting the material guide cover, when the silo 1 is unloaded, the material can be guided through the material guide cover to prevent the material from splashing.
[0033] Among them, guide rails 19 for plugging in the unloading plate 18 are symmetrically fixed on both sides of the front and rear of the middle part of the upper hopper 14. The unloading plate 18 is movably connected inside the makeshift groove. The makeshift groove is opened on the side of the upper hopper 14. A guide column 20 is fixed in the middle of the makeshift groove, and the guide column 20 is connected through the guide groove opened in the middle of the unloading plate 18. By setting the guide column 20 and the guide rail 19, a guiding effect is played on the unloading plate 18, thereby preventing the unloading plate 18 from position displacement when it moves horizontally.
[0034] Among them, a buffer pad 21 in contact with the inside of the upper hopper 14 is fixed on one side of the unloading plate 18, and balls 22 are installed on the upper and lower surfaces of the unloading plate 18, and the balls 22 are in contact with the surface of the guide rail 19. The lower end of the unloading plate 18 is evenly fixed with latch teeth 23 meshing with the driving gear 24, and the driving gear 24 is fixedly mounted on the outside of the output shaft of the motor 25, and the motor 25 is fixedly mounted on one side of the upper hopper 14. A protective cover 26 is also fixed on one side of the upper hopper 14, and a groove for horizontal movement of the unloading plate 18 is opened through the middle of the protective cover 26, and a remote controller 27 is also fixed inside the protective cover 26. A backup power box 28 is fixed on the other side of the upper hopper 14. The motor 25 is arranged to cooperate with the driving gear 24 to drive the unloading plate 18 to move horizontally. When the pressure sensor 30 obtains the simulated weight threshold, the motor 25 is started to drive the unloading plate 18 to move horizontally, and the material falls after the horizontal movement.
[0035] Among them, an installation cavity for the movement of the contact plate 29 is opened in the middle of the upper end of the unloading plate 18, and a pressure sensor 30 is provided inside the installation cavity. The pressure sensor 30 is provided to facilitate the user to know whether the loading is completed according to the weight of the material.
[0036] Among them, a vibration plate 31 is symmetrically provided at the inner bottom end of the upper hopper 14, and the vibration plate 31 is connected to the upper hopper 14 through a first spring 32, and a dustproof accordion cover 33 is fixed between the vibration plate 31 and the upper hopper 14, and a first vibration motor 39 is fixed to the lower end of the vibration plate 31, and screw holes for installing studs 34 are evenly spaced at the upper end of the vibration plate 31, and a conical head 35 is fixed to the top of each stud 34. The vibration and conical heads 35 are provided to buffer the materials falling into the discharge port at the bottom of the upper hopper 14, while preventing the materials from adhering to the inner wall of the upper hopper 14, resulting in the situation that the materials do not completely fall into the blast furnace body 6. At this time, the vibration plate 31 will be driven to vibrate by the first vibration motor 39, so that the materials attached to the surface are shaken off.
[0037] Among them, the lower end of the recovery tank 15 is connected to the frame body 37 through a second spring 36. A second vibration motor 40 is fixed at the bottom of the recovery tank 15, and a discharge pipe 38 is installed on one side of the recovery tank 15. By setting the recovery tank 15, it plays a role in collecting the material residues that fall during the conveying process of the feeding head, and after collection, the material residues in the collection tank will be concentrated and collected on one side of the discharge pipe 38 through the vibration of the second vibration motor 40.
[0038] The present utility model is not limited to the above embodiments. Anyone should know that structural changes made under the inspiration of the present utility model, as long as they have the same or similar technical solutions as the present utility model, fall within the protection scope of the present utility model. The technologies, shapes, and structures not described in detail in the present utility model are all well-known technologies.
Claims
1. A blast furnace charging device, comprising a silo, a conveyor (7), a blast furnace body (6) and a charging hopper (14), characterized in that, A feeding pipe (2) is provided at the bottom of the silo, an electromagnetic control valve (3) is installed in the middle of the feeding pipe (2), a bracket (4) is fixed on the front end surface of the feeding pipe (2), a camera (5) is fixed in the middle of the lower end of the bracket (4), a blast furnace body (6) is provided on one side of the feeding pipe (2), a feeding port is provided on the top of the blast furnace body (6), a conveyor (7) is provided between the blast furnace body (6) and the feeding pipe (2), the driving shaft and the driven shaft of the conveyor (7) are both connected to the chain (9) through sprockets (8) on both sides of the outside, a plurality of transmission rods (10) are fixed between the two chains (9), an upper connecting rod (11) is installed on the outside of each transmission rod (10), the lower end of the upper connecting rod (11) is fixed to the lower connecting rod (13) through a ring buckle (12), and the bottom of the lower connecting rod (13) is fixed to the upper hopper (14); A connecting frame is fixed to the bottom of the conveyor (7), and a recovery trough (15) is provided below the conveyor (7).
2. The charging device for blast furnace according to claim 1, characterized in that, Mounting plates (16) are fixedly mounted on both sides of the bracket (4), and auxiliary lighting lamps (17) are fixed in the middle of the two mounting plates (16).
3. The charging device for blast furnace according to claim 1, characterized in that, A material guide cover is mounted on the top of the upper hopper (14) via a fixing bolt.
4. A blast furnace feeding device according to claim 1, characterized in that, Guide rails (19) for plugging in a discharge plate (18) are symmetrically fixed on both front and rear sides of the middle of the upper hopper (14); the discharge plate (18) is movably connected inside a clearance groove, which is provided on the side of the upper hopper (14); a guide column (20) is fixed in the middle of the clearance groove, and the guide column (20) penetrates and is connected to the guide groove provided in the middle of the discharge plate (18).
5. The charging device for blast furnace according to claim 4, characterized in that, A buffer pad (21) in contact with the inside of the upper hopper (14) is fixed on one side of the lower material plate (18), and balls (22) are installed on the upper and lower surfaces of the lower material plate (18), and the balls (22) are in contact with the surface of the guide rail (19). Gears (23) meshing with a driving gear (24) are fixed at equal intervals on the lower end of the lower material plate (18), and the driving gear (24) is fixedly mounted on the outside of the output shaft of the motor (25), and the motor (25) is fixedly mounted on one side of the upper hopper (14). A protective cover (26) is also fixed on one side of the upper hopper (14), and a groove body for horizontal movement of the lower material plate (18) is opened through the middle of the protective cover (26). A remote controller (27) is also fixed inside the protective cover (26), and a backup power supply box (28) is fixed on the other side of the upper hopper (14).
6. The charging device for blast furnace according to claim 4, wherein A mounting cavity for the movement of the contact plate (29) is provided in the middle of the upper end of the blanking plate (18), and a pressure sensor (30) is provided inside the mounting cavity.
7. The charging device for blast furnace according to claim 4, characterized in that, The inner bottom end of the feeding hopper (14) is symmetrically provided with vibrating plates (31). The vibrating plates (31) are connected to the feeding hopper (14) through first springs (32), and a dust-proof bellows (33) is fixed between the vibrating plates (31) and the feeding hopper (14). A first vibration motor (39) is fixed to the lower end of the vibrating plate (31), and screw holes for installing studs (34) are equidistantly formed in the upper end of the vibrating plate (31). A conical head (35) is fixed to the top of each stud (34).
8. A charging device for a blast furnace according to claim 4, characterized in that, The lower end of the recovery tank (15) is connected to the frame (37) through a second spring (36). A second vibration motor (40) is fixed to the bottom of the recovery tank (15), and a discharge pipe (38) is installed on one side of the recovery tank (15).