Tailing collecting device for steel belt type reduction furnace
By designing a tail material collection device for steel belt reduction furnaces containing cooling components, the hazards of the tail material to equipment and operators during the high-temperature collection process of tail material are solved, and the safe and efficient collection and cooling treatment of tail material are achieved.
Patent Information
- Application Number
- CN202420053497.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-10
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-01-10
AI Technical Summary
During the collection of tail materials in the existing reduction furnace, the tail materials are still in a high temperature state, resulting in equipment damage and discomfort of the operator, and the volatile gas at high temperature poses a risk of scalding to the operator.
A tail material collection device for steel belt reduction furnace is designed, including a feeding groove, a support rod, a discharge port, a controllable discharge valve, and a built-in cooling assembly. The cooling assembly consists of the first and second cooling shafts, blades and drive motors, and the collection and cooling of tail material is achieved by synchronous rotation and transmission gear system.
This device can not only safely and efficiently collect the tail material of the reduction furnace, but also significantly reduce the temperature of the tail material through two cooling treatments, protect the safety of the equipment and operators, and solve the hazards caused by the high temperature of the tail material.
Smart Images
Figure CN222635189U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of reducing furnace tailings collection, in particular to a tailings collection device for a steel belt type reducing furnace. Background Art
[0002] Water-atomized iron powder refers to the use of high-pressure atomized water through a special nozzle to beat high-temperature molten iron into extremely fine iron powder particles, and then form steel powder through processes such as sorting, dehydration, drying, high-temperature reduction, crushing, screening, batching, and packaging; among them, a steel belt reduction furnace is usually used in the high-temperature reduction stage, which has good temperature uniformity and good uniformity of reducing airflow due to uniform distribution, thereby ensuring the reduction quality; the steel belt reduction furnace generally includes a loading area, a heating reduction area, a cooling area, and a discharging area in the direction of the running length. In order to prevent the metallurgical powder such as the reduced iron powder from being oxidized again, a protective gas inlet is provided in the cooling area.
[0003] After the reduction reaction is completed in the current reduction furnace, the tailings are collected and discharged. However, during the tailings collection process, the tailings in the reduction furnace are still in a high temperature state. The high temperature tailings may cause damage to the collection equipment or discomfort to the operators. The high temperature volatile gases may also cause burns or other injuries to the operators, which is very inconvenient. Therefore, it is necessary to develop a collection device that can cool the tailings while collecting them. Utility Model Content
[0004] The utility model aims to provide a tailings collecting device for a steel belt type reduction furnace, which has an ingenious structure and can cool down the tailings while collecting the tailings of the reduction furnace, and is convenient and practical.
[0005] The technical solution for achieving the purpose of the utility model is as follows: the utility model comprises a material receiving trough, and a plurality of support rods fixed on the material receiving trough and capable of supporting the material receiving trough, the bottom of the material receiving trough is provided with a material discharge port, the material discharge port is provided with a material discharge valve which can control the opening and closing of the material discharge port; a cooling component which can cool the tailings taken in is provided in the material receiving trough, and the cooling component comprises a first cooling shaft and a second cooling shaft which are parallelly arranged in the material receiving trough, a first cooling blade which is circumferentially distributed on the outer wall of the first cooling shaft along the axis of the first cooling shaft, a second cooling blade which is circumferentially distributed on the outer wall of the second cooling shaft along the axis of the second cooling shaft, and a driving motor which is fixed on the outer wall of the material receiving trough and can drive the first cooling shaft and the second cooling shaft to rotate synchronously, both ends of the first cooling shaft and the second cooling shaft pass through the material receiving trough and are rotatably connected to the receiving trough. On the material trough, the second cooling shaft is located obliquely below the first cooling shaft, adjacent first cooling blades form a first cooling trough that can receive tailings, and adjacent second cooling blades form a second cooling trough that can receive tailings in the first cooling trough, the first cooling shaft is provided with a first main trough coaxially arranged with the first cooling shaft, each first cooling blade is provided with a first sub-trough connected with the first main trough, the second cooling shaft is provided with a second main trough coaxially arranged with the second cooling shaft, each second cooling blade is provided with a second sub-trough connected with the second main trough, both ends of the first cooling shaft and the second cooling shaft are rotatably provided with a first external joint for passing a cooling medium and a second external joint for discharging the cooling medium, the first cooling shaft and the second cooling shaft are synchronously driven by a driving motor to collect and cool the tailings, and discharge them from the discharge port of the material receiving trough.
[0006] Furthermore, a transmission cavity is provided on one side of the above-mentioned material receiving trough, and the output end of the driving motor is located in the transmission cavity, one end of the first cooling shaft and the second cooling shaft passes through the transmission cavity and extends out of the material receiving trough, and a transmission gear is fixedly provided at the output end of the driving motor, a first driven gear is fixedly provided on the first cooling shaft at one end located in the transmission cavity, and a second driven gear is fixedly provided on the second cooling shaft at one end located in the transmission cavity, and a reversing gear is rotatably provided in the transmission cavity, the axis of the reversing gear is arranged parallel to the first driven gear and the second driven gear, and the reversing gear is located between the first driven gear and the second driven gear, the transmission gear is transmission-connected to the first driven gear, the first transmission gear is transmission-connected to the reversing gear, and the reversing gear is transmission-connected to the second transmission gear, and the first cooling shaft and the second cooling shaft are synchronously rotated through the driving of the transmission gear by the driving motor, the transmission cooperation between the transmission gear and the first transmission gear, the transmission cooperation between the first driven gear and the reversing gear, and the transmission cooperation between the reversing gear and the second transmission gear.
[0007] Furthermore, the first cooling blade extends from one end of the first cooling shaft to the other end of the first cooling shaft, and the second cooling blade extends from one end of the second cooling shaft to the other end of the second cooling shaft. The first cooling blade is provided with a plurality of first sub-grooves, and each first sub-groove is evenly distributed along the extension direction of the axis of the first cooling shaft, and the extension direction of each first sub-groove is perpendicular to the axis of the first cooling shaft. The second cooling blade extends from one end of the second cooling shaft to the other end of the second cooling shaft. The second cooling blade is provided with a plurality of second sub-grooves, and each second sub-groove is evenly distributed along the extension direction of the axis of the second cooling shaft, and the extension direction of each second sub-groove is perpendicular to the axis of the second cooling shaft.
[0008] Furthermore, the first cooling blade extends from one end of the first cooling shaft to the other end of the first cooling shaft, and the second cooling blade extends from one end of the second cooling shaft to the other end of the second cooling shaft. The cross-sections of the first sub-groove and the second sub-groove are both wavy, and the inlet and outlet of the first sub-groove are both connected to the first main groove, and the inlet and outlet of the second sub-groove are both connected to the second main groove.
[0009] Furthermore, side guide plates are provided on both sides of the material receiving trough for guiding the tailings into the material receiving trough, and the extension direction of each side guide plate is arranged parallel to the axis of the first cooling shaft.
[0010] The utility model has positive effects: (1) The utility model sets a cooling component in the receiving trough, sets a first cooling shaft and a second cooling shaft, and each first cooling blade on the first cooling shaft forms a first cooling trough, and each second cooling blade on the second cooling shaft forms a second cooling trough. After the cooling medium is introduced into the first cooling shaft and the second cooling shaft, a cooling space is formed in the first cooling trough and the second cooling trough, and at the same time, the inner cavity of the entire receiving trough forms a cooling space. The tailings in the reduction furnace start to be cooled when they enter the inner cavity of the receiving trough, and start to be cooled after falling into the first cooling trough. With the slow rotation of the first cooling shaft, the tailings slowly fall into the second cooling trough for cooling again. After the cooling is completed, the tailings are discharged from the discharge port, which greatly reduces the harm of the high-temperature tailings in the prior art to the collecting equipment and operators, and ensures that the tailings are efficient and safe in the process of collecting and discharging, and is convenient and practical.
[0011] (2) The utility model ensures that the connecting pipes connected to the first external joint and the second external joint will not be cut off during the rotation of the first cooling shaft and the second cooling shaft by rotatably setting the first external joint and the second external joint at both ends of the first cooling shaft and the second cooling shaft, thereby ensuring smooth and safe introduction and discharge of the cooling medium.
[0012] (3) The utility model ensures the synchronization of the first cooling shaft and the second cooling shaft by arranging a transmission cavity on the material receiving trough, driving the transmission motor to drive the transmission gear to rotate, and the transmission coordination between the transmission gear and the first driven gear, the first driven gear and the reversing gear, and the reversing gear and the second driven gear, thereby avoiding the interference between the first cooling blade of the first cooling shaft and the second cooling blade on the second cooling shaft during the rotation process, ensuring the smooth rotation of the first cooling shaft and the second cooling shaft, and also ensuring that the second cooling trough can fully receive the tailings in the first cooling trough, thereby ensuring that the tailings are fully and sufficiently cooled, which is convenient and practical.
[0013] (4) The utility model can ensure the overall cooling effect in each first cooling groove and the second cooling groove by arranging the first sub-grooves and the second sub-grooves to be evenly distributed or to have a wavy cross-section.
[0014] (5) The utility model provides side guide plates on both sides of the receiving trough, and guides the tailings discharged from the reduction furnace into the first cooling trough under the guidance of the side guide plates, thereby ensuring smooth, convenient and practical guidance of the tailings. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to make the content of the utility model easier to understand, the utility model is further described in detail according to specific embodiments and in conjunction with the accompanying drawings.
[0016] Figure 1 This is a schematic diagram of the overall structure of the tailings collecting device for the steel belt reduction furnace of the utility model;
[0017] Figure 2 It is a schematic diagram of the overall structure of the transmission cavity in the utility model;
[0018] Figure 3 It is a side view of the first cooling shaft in the utility model;
[0019] Figure 4 It is a side view of the second cooling shaft in the utility model;
[0020] Figure 5 A cross-sectional view of a first cooling shaft of an embodiment;
[0021] Figure 6 A cross-sectional view of a second cooling shaft of an embodiment;
[0022] Figure 7 is a cross-sectional view of the first cooling shaft of the second embodiment;
[0023] Figure 8 It is a cross-sectional view of the second cooling shaft of the second embodiment. DETAILED DESCRIPTION
[0024] (Example 1)
[0025] See Figures 1 to 6 The utility model comprises a receiving trough 1, and a plurality of support rods 2 fixed on the receiving trough 1 and capable of supporting the receiving trough 1, a discharge port 12 is arranged at the bottom of the receiving trough 1, and a discharge valve 13 which can control the opening and closing of the discharge port 12 is arranged on the discharge port 12; a cooling component 3 which can cool down the tailings received is arranged in the receiving trough 1, and the cooling component 3 comprises a first cooling shaft 32 and a second cooling shaft 33 which are arranged in parallel in the receiving trough 1, a first cooling blade 34 which is distributed on the outer wall of the first cooling shaft 32 along the circumference of the axis of the first cooling shaft 32, a second cooling blade 36 which is distributed on the outer wall of the second cooling shaft 33 along the circumference of the axis of the second cooling shaft 33, and a driving motor 31 which is fixed on the outer wall of the receiving trough 1 and capable of driving the first cooling shaft 32 and the second cooling shaft 33 to rotate synchronously, both ends of the first cooling shaft 32 and the second cooling shaft 33 pass through the receiving trough 1 and are rotatably connected to the receiving trough 1, and the second cooling shaft 33 is connected to the receiving trough 1 and is capable of cooling down the tailings received. The temperature shaft 33 is located obliquely below the first temperature-reducing shaft 32. Adjacent first temperature-reducing blades 34 form a first temperature-reducing groove 35 for receiving tailings. Adjacent second temperature-reducing blades 36 form a second temperature-reducing groove 37 for receiving tailings in the first temperature-reducing groove 35. The first temperature-reducing shaft 32 is provided with a first main groove 7 coaxially arranged with the first temperature-reducing shaft 32. Each first temperature-reducing blade 34 is provided with a first sub-groove 8 communicating with the first main groove 7. The second temperature-reducing shaft 33 is provided with a second main groove 9 coaxially arranged with the second temperature-reducing shaft 33. Each second temperature-reducing blade 36 is provided with a second sub-groove 10 communicating with the second main groove 9. Both ends of the first temperature-reducing shaft 32 and the second temperature-reducing shaft 33 are rotatably provided with a first external joint 5 for introducing a temperature-reducing medium and a second external joint 6 for discharging the temperature-reducing medium. The first temperature-reducing shaft 32 and the second temperature-reducing shaft 33 are synchronously driven by the driving motor 31 to collect and cool the tailings, and discharge them from the discharge port 12 of the receiving trough 1.
[0026] A transmission chamber 4 is provided at one side of the material receiving trough 1, the output end of the driving motor 31 is located in the transmission chamber 4, one end of the first cooling shaft 32 and the second cooling shaft 33 pass through the transmission chamber 4 and extend out of the material receiving trough 1, a transmission gear 41 is fixedly provided at the output end of the driving motor 31, a first driven gear 42 is fixedly provided at one end of the first cooling shaft 32 located in the transmission chamber 4, a second driven gear 44 is fixedly provided at one end of the second cooling shaft 33 located in the transmission chamber 4, a reversing gear 43 is rotatably provided in the transmission chamber 4, and the axis of the reversing gear 43 is aligned with the first driven gear 42 and the second driven gear 44. They are arranged in parallel, and the reversing gear 43 is located between the first driven gear 42 and the second driven gear 44. The transmission gear 41 is transmission connected to the first driven gear 42, the first transmission gear 41 is transmission connected to the reversing gear 43, the reversing gear 43 is transmission connected to the second transmission gear 41, and the first cooling shaft 32 and the second cooling shaft 33 are synchronously rotated through the driving motor 31 driving the transmission gear 41, the transmission cooperation between the transmission gear 41 and the first transmission gear 41, the transmission cooperation between the first driven gear 42 and the reversing gear 43, and the transmission cooperation between the reversing gear 43 and the second transmission gear 41.
[0027] The first cooling blade 34 extends from one end of the first cooling shaft 32 to the other end of the first cooling shaft 32, and the second cooling blade 36 extends from one end of the second cooling shaft 33 to the other end of the second cooling shaft 33. The first cooling blade 34 is provided with a plurality of first sub-grooves 8, and each first sub-groove 8 is evenly distributed along the extension direction of the axis of the first cooling shaft 32, and the extension direction of each first sub-groove 8 is perpendicular to the axis of the first cooling shaft 32. The second cooling blade 36 extends from one end of the second cooling shaft 33 to the other end of the second cooling shaft 33. The second cooling blade 36 is provided with a plurality of second sub-grooves 10, and each second sub-groove 10 is evenly distributed along the extension direction of the axis of the second cooling shaft 33, and the extension direction of each second sub-groove 10 is perpendicular to the axis of the second cooling shaft 33.
[0028] Side guide plates 11 are provided on both sides of the material receiving trough 1 for guiding the tailings into the material receiving trough 1 . The extending direction of each side guide plate 11 is parallel to the axis of the first cooling shaft 32 .
[0029] (Example 2)
[0030] See Figures 7 and 8In the present invention, the first cooling blade 34 extends from one end of the first cooling shaft 32 to the other end of the first cooling shaft 32, and the second cooling blade 36 extends from one end of the second cooling shaft 33 to the other end of the second cooling shaft 33. The cross-sections of the first sub-groove 8 and the second sub-groove 10 are both wavy, and the inlet and outlet of the first sub-groove 8 are both connected to the first main groove 7, and the inlet and outlet of the second sub-groove 10 are both connected to the second main groove 9; the remaining technical features are the same as those in Example 1.
[0031] Working principle of the utility model: during the use of the utility model, the first external joint 5 on the first cooling shaft 32 and the second cooling shaft 33 is connected to the external cooling equipment, and the cooling medium is passed through the first main groove 7, the second main groove 9, the first sub-groove 8 and the second sub-groove 10. The rotation connection of each first external joint 5 and each second external joint 6 can effectively avoid the connection pipe on the first external joint 5 or the second external joint 6 from being twisted off during the rotation of the first cooling shaft 32 and the second cooling shaft 33. The operator starts the drive motor 31, and the drive motor 31 drives the transmission gear 41 to rotate. The transmission cooperation of the transmission gear 41 and the first driven gear 42 drives the first cooling shaft 32 to rotate. The transmission cooperation of the first driven gear 42 and the rotating gear, as well as the transmission gear 41 and the second driven gear The transmission cooperation of the movable gear 44 drives the second cooling shaft 33 to rotate, and ensures that the first cooling shaft 32 and the second cooling shaft 33 can rotate synchronously and in the same direction. The tailings in the reduction furnace enter the first cooling tank 35 in the receiving tank 1 along the side guide plate 11 of the receiving tank 1 for cooling treatment, and along with the rotation of the first cooling shaft 32, the tailings that have been initially cooled enter the second cooling tank 37 again for secondary cooling, and the cooled tailings are discharged from the discharge port 12, which effectively solves the problem of damage to the collection equipment and operators when the tailings in the reduction furnace are directly collected and discharged in the prior art. The temperature of the tailings is greatly reduced through the double cooling of the first cooling tank 35 and the second cooling tank 37, which ensures the efficiency and safety of the tailings during collection and discharge. The structure is ingenious, safe and practical.
[0032] The specific embodiments described above further illustrate the purpose, technical solutions and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A tailing material collecting device for a steel belt reduction furnace, comprising a receiving trough and a plurality of support rods fixed on the receiving trough and capable of supporting the receiving trough, wherein a discharge port is provided at the bottom of the receiving trough, and a discharge valve capable of controlling the opening and closing of the discharge port is provided on the discharge port; the characteristics are as follows: The receiving trough is provided with a cooling component that can cool down the tailings received, and the cooling component includes a first cooling shaft and a second cooling shaft that are parallelly arranged in the receiving trough, a first cooling blade distributed on the outer wall of the first cooling shaft along the circumference of the axis of the first cooling shaft, a second cooling blade distributed on the outer wall of the second cooling shaft along the circumference of the axis of the second cooling shaft, and a driving motor that is fixed to the outer wall of the receiving trough and can drive the first cooling shaft and the second cooling shaft to rotate synchronously, both ends of the first cooling shaft and the second cooling shaft pass through the receiving trough and are rotatably connected to the receiving trough, the second cooling shaft is located obliquely below the first cooling shaft, and adjacent first cooling blades form a first cooling shaft that can receive the tailings. The cooling element is connected to the cooling element by the guide rails, and the cooling element is connected to the cooling element by the guide rails. The cooling element is connected to the cooling element by the guide rails. The cooling element is connected to the cooling element by the guide rails.
2. The tailings collecting device for a steel belt reduction furnace according to claim 1, characterized in that: A transmission cavity is provided at one side of the material receiving trough, and the output end of the driving motor is located in the transmission cavity, and one end of the first cooling shaft and the second cooling shaft pass through the transmission cavity and extend out of the material receiving trough, and a transmission gear is fixedly provided at the output end of the driving motor, and a first driven gear is fixedly provided on the first cooling shaft at one end located in the transmission cavity, and a second driven gear is fixedly provided on the second cooling shaft at one end located in the transmission cavity. A reversing gear is rotatably provided in the transmission cavity, and the axis of the reversing gear is arranged parallel to the first driven gear and the second driven gear, and the reversing gear is located between the first driven gear and the second driven gear, the transmission gear is transmission-connected with the first driven gear, the first transmission gear is transmission-connected with the reversing gear, and the reversing gear is transmission-connected with the second transmission gear, and the first cooling shaft and the second cooling shaft are synchronously rotated through the driving of the transmission gear by the driving motor, the transmission cooperation between the transmission gear and the first transmission gear, the transmission cooperation between the first driven gear and the reversing gear, and the transmission cooperation between the reversing gear and the second transmission gear.
3. The tailings collecting device for a steel belt reduction furnace according to claim 2, characterized in that: The first cooling blade extends from one end of the first cooling shaft to the other end of the first cooling shaft, and the second cooling blade extends from one end of the second cooling shaft to the other end of the second cooling shaft. The first cooling blade is provided with a plurality of first sub-grooves, and each of the first sub-grooves is evenly distributed along the extension direction of the axis of the first cooling shaft, and the extension direction of each first sub-groove is perpendicular to the axis of the first cooling shaft. The second cooling blade extends from one end of the second cooling shaft to the other end of the second cooling shaft. The second cooling blade is provided with a plurality of second sub-grooves, and each of the second sub-grooves is evenly distributed along the extension direction of the axis of the second cooling shaft, and the extension direction of each second sub-groove is perpendicular to the axis of the second cooling shaft.
4. The tailings collecting device for a steel belt reduction furnace according to claim 2, characterized in that: The first cooling blade extends from one end of the first cooling shaft to the other end of the first cooling shaft, and the second cooling blade extends from one end of the second cooling shaft to the other end of the second cooling shaft. The cross-sections of the first sub-groove and the second sub-groove are both wavy, and the inlet and outlet of the first sub-groove are both connected to the first main groove, and the inlet and outlet of the second sub-groove are both connected to the second main groove.
5. The tailings collecting device for a steel belt reduction furnace according to claim 3 or 4, characterized in that: Side guide plates are provided on both sides of the material receiving trough for guiding the tailings into the material receiving trough, and the extension direction of each side guide plate is arranged parallel to the axis of the first cooling shaft.