A kind of device for enhancing the air permeability of a trolley bed
By using a moving rolling device to pierce and loosen the material surface on the trolley, the problem of insufficient material permeability was solved, thereby improving permeability and sintering effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 德龙钢铁有限公司
- Filing Date
- 2025-05-30
- Publication Date
- 2026-07-03
AI Technical Summary
In the sintering process of the steel company's sintering plant, insufficient air permeability of the material surface leads to uneven sintering and increased energy consumption.
A rolling air permeability enhancement device suitable for trolley material surfaces is adopted, including a moving frame, a lifting mechanism, a rolling body and a speed-regulating motor. The air permeability is improved by piercing and loosening the material surface through the needles on the rolling body.
It significantly improves air permeability, enhances sintering effect, and improves product quality and production efficiency without damaging the material layer structure.
Smart Images

Figure CN224455399U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of trolley sintering technology in the sintering workshop of an iron and steel company, and in particular to a rolling permeability enhancement device suitable for trolley material surfaces. Background Technology
[0002] In the sintering process of steel companies, the permeability of the material surface has a significant impact on the sintering quality and efficiency.
[0003] When gas attempts to enter the sintering bed through the negative pressure generated by the blower, the permeability of the sintering bed surface directly affects the ease with which the gas enters, thus directly impacting the yield of sintered ore. Once inside the sintering bed, the gas reacts with the fuel within the sintering bed at high temperatures, undergoing a chemical reaction. Therefore, sufficient gas conditions are conducive to full mineralization, thereby improving the quality of the sintered ore.
[0004] However, due to the accumulation and compaction of materials, the permeability of the material surface is often insufficient, leading to problems such as uneven sintering and increased energy consumption. Utility Model Content
[0005] The main objective of this invention is to provide a rolling air permeability enhancement device suitable for trolley material surfaces, so as to effectively solve the problems mentioned in the background art.
[0006] To achieve the above objectives, the present invention adopts the following technical solution: a rolling permeability enhancement device suitable for trolley material surfaces, comprising a moving frame, a lifting mechanism, a rolling body, a speed-regulating motor, and a control system; the moving frame consists of two wheel frames, each with two moving wheels; the lifting mechanism consists of hydraulic rods that fix the top surfaces of the two wheel frames respectively; the rolling body is fixed to the top ends of the two hydraulic rod push rods; and the speed-regulating motor is fixed to one end of the rolling body.
[0007] Preferably, the rolling body includes bearing fixing blocks fixed to the top ends of two hydraulic rod push rods, each bearing fixing block has a bearing fixed on it, a main shaft is installed in the inner hole of the two bearings, and multiple rod-shaped needles are evenly distributed around the main shaft. A speed-regulating motor is fixed on the bearing fixing blocks and is fixedly connected to the main shaft.
[0008] Preferably, the distance between the two wheel frames is greater than the width of the trolley.
[0009] Preferably, the control system can automatically adjust the speed of the speed regulating motor according to the traveling speed of the trolley.
[0010] The beneficial effects of this utility model are: it can significantly improve the air permeability of the material surface on the trolley without damaging the material layer structure, improve the sintering effect, and improve product quality and production efficiency; the device has a simple structure and is easy to operate. Attached Figure Description
[0011] Appendix Figure 1 This is a schematic diagram of the structure of this utility model.
[0012] Appendix Figure 2 This is a schematic diagram of the needle distribution structure of this utility model.
[0013] Appendix Figure 3 This is a schematic diagram of the movable wheel structure of this utility model.
[0014] Appendix Figure 1 —3. In the middle, 1. Car, 2. Material surface, 3. Needle, 4. Main shaft, 5. Bearing, 6. Speed regulating motor, 7. Hydraulic rod, 8. Moving wheel, 9. Wheel frame, 10. Bearing fixing block. Detailed Implementation
[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0016] Appendix Figure 1 As shown in Figure 3, a rolling permeability enhancement device suitable for trolley material surfaces includes a moving frame, a lifting mechanism, a rolling body, a speed-regulating motor, and a control system; the moving frame consists of two wheel frames 9, each wheel frame 9 having two moving wheels 8; the lifting mechanism consists of hydraulic rods 7 that are respectively fixed to the top surfaces of the two wheel frames 9; the rolling body is fixed to the top of the push rods of the two hydraulic rods 7; and the speed-regulating motor 6 is fixed to one end of the rolling body.
[0017] The rolling body includes a bearing fixing block 10 fixed to the top of the push rods of two hydraulic rods 7. Each bearing fixing block 10 has a bearing 5 fixed on it. A main shaft 4 is installed in the inner hole of the two bearings. Multiple rod-shaped needles 3 are evenly distributed around the main shaft 4. A speed-regulating motor 6 is fixed on the bearing fixing block 10 and is fixedly connected to the main shaft 4.
[0018] The distance between the two wheel frames 9 is greater than the width of the trolley 1.
[0019] The control system can automatically adjust the speed of the speed regulating motor 6 according to the traveling speed of the trolley.
[0020] During production, the trolley 1 is filled with material. Gas enters the material surface 2 through the negative pressure generated by the blower and sinterspersed downwards. The device is moved to a suitable position above the trolley 1 by the moving wheels 8. The hydraulic rod 7 lowers the rolling body to the contact position with the material surface 2, and the speed-regulating motor 6 starts, driving the rolling body to roll at a uniform speed on the material surface. The speed-regulating motor 6 can automatically adjust the rolling speed according to the speed of the sintering machine. The needles 3 on the surface of the rolling body pierce and loosen the material surface 2 during the rolling process, thereby increasing the permeability of the material surface.
[0021] Beneficial effects: It can significantly improve the air permeability of the material surface on the trolley without damaging the material layer structure, improve the sintering effect, and improve product quality and production efficiency; the device has a simple structure and is easy to operate.
[0022] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims
1. A device for enhancing air permeability of a rolling material surface on a trolley, characterized in that: It includes a movable frame, a lifting mechanism, a rolling body, a speed-regulating motor, and a control system; the movable frame consists of two wheel frames, each with two moving wheels; the lifting mechanism consists of hydraulic rods that fix the top surfaces of the two wheel frames respectively; the rolling body is fixed to the top of the push rods of the two hydraulic rods; and the speed-regulating motor is fixed to one end of the rolling body.
2. The device for enhancing the air permeability of a material on a pallet according to claim 1, wherein: The rolling body includes bearing fixing blocks fixed to the top of two hydraulic rod push rods, each bearing fixing block has a bearing fixed on it, a main shaft is installed in the inner hole of the two bearings, and multiple rod-shaped needles are evenly distributed around the main shaft. A speed-regulating motor is fixed on the bearing fixing block and fixedly connected to the main shaft.
3. The device for enhancing the air permeability of a material on a pallet according to claim 1, wherein: The distance between the two wheel frames is greater than the width of the trolley.
4. The device for enhancing the air permeability of a material on a pallet according to claim 1, wherein: The control system can automatically adjust the speed of the speed regulating motor according to the traveling speed of the trolley.