Heating device for continuous high-temperature purification of spherical graphite
By designing a continuous high-temperature purification device, and utilizing a heat-conducting inner cylinder and waste heat insulation pipes, the problems of material transfer efficiency and heat energy recovery and utilization were solved, achieving high-efficiency production and cost reduction.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-04-07
AI Technical Summary
Existing high-temperature purification equipment for spherical graphite has bottlenecks in material transfer efficiency and heat recovery, resulting in limited capacity expansion, high production costs, and poor process consistency.
Design a continuous high-temperature purification device including a heating furnace body, a heat-conducting inner cylinder, a waste heat insulation pipe and a resistance heating layer. The heat-conducting inner cylinder enables rapid loading and unloading, and the waste heat insulation pipe improves the efficiency of heat energy utilization.
It improved production efficiency, reduced energy consumption, lowered production costs, and improved process consistency.
Smart Images
Figure CN224094914U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of spherical graphite purification, especially to a heating device for continuous high-temperature purification of spherical graphite. BACKGROUND
[0002] Spherical graphite high-temperature purification is a core process for preparing lithium ion battery negative electrode materials, and needs to remove impurities under inert atmosphere through continuous high temperature. Although the current mainstream purification equipment can meet the basic process requirements, there are significant technical bottlenecks in material transmission efficiency and heat recovery. Low feeding and discharging efficiency restricts capacity improvement, waste heat resources waste increases production cost, and manual operation is highly dependent and process consistency is poor. SUMMARY
[0003] The utility model discloses a heating device for continuous high-temperature purification of spherical graphite, which solves the problems in the background art.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0005] A heating device for continuous high-temperature purification of spherical graphite, comprising a heating furnace body, a fixed sleeve, an extension rod, a moving panel, a fixed lug, a rotating cover plate, a rotating handle, a heat-conducting inner cylinder, an inlet and outlet port, and a resistance heating layer, the fixed sleeve is installed at both ends of the heating furnace body, the extension rod is installed at the front end of the fixed sleeve, the moving panel is welded with a fixed lug at both ends, and the fixed lug is connected with the corresponding extension rod, the rotating cover plate is installed in the moving panel, the rotating handle is installed at the center of the front end of the rotating cover plate, the heat-conducting inner cylinder is installed at the rear end of the rotating cover plate, and the heat-conducting inner cylinder can rotate with the rotating cover plate and be driven to rotate by the rotating handle, the inlet and outlet port is opened at the top of the heat-conducting inner cylinder, and the resistance heating layer is installed on the inner wall of the heating furnace body.
[0006] Preferably, the heating device for continuous high-temperature purification of spherical graphite further comprises a fixed shaft, a rotating groove, a waste heat insulation pipeline, a pressure relief valve, and a communication pipe, the fixed shaft is installed at the center of the heating furnace body, the rotating groove is opened at the center of the heat-conducting inner cylinder, and the heat-conducting inner cylinder is installed on the fixed shaft through the rotating groove, the waste heat insulation pipeline is installed around the outer side of the heating furnace body, the pressure relief valve is installed at the rear end of the heating furnace body, and the rear end of the pressure relief valve is connected with the rear end of the waste heat insulation pipeline through the communication pipe.
[0007] Preferably, the spherical graphite continuous high-temperature purification heating device further comprises an exhaust pipe, a filtering device and an exhaust hole, the exhaust pipe is connected to the front end of the waste heat insulation pipeline through the exhaust pipe in the bottom of the heating furnace body, the filtering device is installed in the bottom of the heating furnace body, the exhaust pipe is connected to the front end of the filtering device, and the exhaust hole is arranged at the rear end of the filtering device.
[0008] The spherical graphite continuous high-temperature purification heating device has the advantages of reasonable design, rapid feeding and discharging through the heat-conducting inner cylinder, improved production efficiency, improved waste heat utilization efficiency through the built-in waste heat insulation pipeline, reduced energy loss, and reduced production cost. BRIEF DESCRIPTION OF DRAWINGS
[0009] Fig. 1 Figure 1 is a structural schematic view of the spherical graphite continuous high-temperature purification heating device of the present application;
[0010] Fig. 2 Figure 1 is a structural schematic view of the spherical graphite continuous high-temperature purification heating device of the present application.
[0011] In the figure: 1, heating furnace body, 2, fixed sleeve, 3, telescopic rod, 4, moving panel, 5, fixed lug, 6, rotating cover plate, 7, rotating handle, 8, heat-conducting inner cylinder, 9, inlet and outlet port, 10, resistance heating layer, 11, fixed shaft, 12, rotating groove, 13, waste heat insulation pipeline, 14, pressure relief valve, 15, communication pipe, 16, exhaust pipe, 17, filtering device, 18, exhaust hole. DETAILED DESCRIPTION
[0012] The present application will be further described below in combination with the drawings and specific embodiments:
[0013] As Figs. 1-2As shown, a spherical graphite continuous high temperature purification heating device, including heating furnace body 1, fixed sleeve 2, telescopic rod 3, moving panel 4, fixed lug 5, rotating cover plate 6, rotating handle 7, heat conducting inner cylinder 8, inlet and outlet 9, resistance heating layer 10, the heating furnace body 1 both ends are installed with fixed sleeve 2, the fixed sleeve 2 inside front end is installed with telescopic rod 3, the moving panel 4 both ends are welded with fixed lug 5, and fixed lug 5 is connected with corresponding telescopic rod 3 respectively, the moving panel 4 is installed with rotating cover plate 6, the rotating cover plate 6 front end center is installed with rotating handle 7, the rotating cover plate 6 rear end is installed with heat conducting inner cylinder 8, and heat conducting inner cylinder 8 can rotate with rotating cover plate 6, and is driven to rotate by rotating handle 7, the heat conducting inner cylinder 8 top is provided with inlet and outlet 9, and the heating furnace body 1 inside wall is installed with resistance heating layer 10. The spherical graphite continuous high temperature purification heating device further includes fixed shaft 11, rotating groove 12, waste heat insulation pipeline 13, pressure relief valve 14 and communication pipe 15, the heating furnace body 1 inside center is installed with fixed shaft 11, the heat conducting inner cylinder 8 inside center is provided with rotating groove 12, and the heat conducting inner cylinder 8 is installed on the fixed shaft 11 through the rotating groove 12, the heating furnace body 1 inside outside is installed with waste heat insulation pipeline 13, and the heating furnace body 1 inside rear end is installed with pressure relief valve 14, and the rear end of pressure relief valve 14 is connected with the rear end of waste heat insulation pipeline 13 through communication pipe 15. The spherical graphite continuous high temperature purification heating device further includes exhaust pipe 16, filtering device 17 and exhaust hole 18, the heating furnace body 1 bottom front end is connected with the front end of waste heat insulation pipeline 13 through exhaust pipe 16, the heating furnace body 1 bottom is installed with filtering device 17, the exhaust pipe 16 is connected with the front end of filtering device 17, and the rear end of filtering device 17 is provided with exhaust hole 18.
[0014] The working principle of the utility model: through telescopic rod 3 fixed moving panel 4 can realize the heat conducting inner cylinder 8 in and out heating furnace body 1, and through inlet and outlet 9 adds raw material, and the material of processing completion can be driven rotating cover plate 6 and heat conducting inner cylinder 8 rotation through rotating handle 7, and inlet and outlet 9 are inclined, and the material flows out, and the high-temperature gas in heating furnace body 1 enters waste heat insulation pipeline 13 and is utilized through pressure relief valve 14, and is finally discharged after filtering and purifying through filtering device 17.
[0015] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary, and equivalent changes in the same range are included in the scope of the utility model.
Claims
1. A heating device for continuous high-temperature purification of spherical graphite, comprising a heating furnace body (1), a fixed sleeve (2), a telescopic rod (3), a movable panel (4), a fixed lug (5), a rotating cover plate (6), a rotating handle (7), a heat-conducting inner cylinder (8), an inlet / outlet (9), and a resistance heating layer (10), characterized in that: The heating furnace body (1) is equipped with fixed sleeves (2) at both the upper and lower ends. The fixed sleeves (2) are equipped with telescopic rods (3) at the front end of each sleeve. The movable panel (4) is equipped with fixed lugs (5) at both the upper and lower ends. The fixed lugs (5) are connected to the corresponding telescopic rods (3). The movable panel (4) is equipped with a rotating cover plate (6). The rotating cover plate (6) is equipped with a rotating handle (7) at the center of its front end. The rotating cover plate (6) is equipped with a heat-conducting inner cylinder (8) at its rear end. The heat-conducting inner cylinder (8) can rotate with the rotating cover plate (6) and is driven to rotate by the rotating handle (7). The top of the heat-conducting inner cylinder (8) is provided with an inlet and outlet port (9). The heating furnace body (1) is equipped with a resistance heating layer (10) around its inner wall.
2. The heating device for continuous high-temperature purification of spherical graphite according to claim 1, characterized in that: The heating device for continuous high-temperature purification of spherical graphite also includes a fixed shaft (11), a rotating groove (12), a waste heat insulation pipe (13), a pressure relief valve (14), and a connecting pipe (15). The fixed shaft (11) is installed in the center of the heating furnace body (1). The rotating groove (12) is opened in the center of the heat-conducting inner cylinder (8), and the heat-conducting inner cylinder (8) is installed on the fixed shaft (11) through the rotating groove (12). The waste heat insulation pipe (13) is installed around the outer side of the heating furnace body (1). The pressure relief valve (14) is installed at the rear end of the heating furnace body (1), and the rear end of the pressure relief valve (14) is connected to the rear end of the waste heat insulation pipe (13) through the connecting pipe (15).
3. The heating device for continuous high-temperature purification of spherical graphite according to claim 2, characterized in that: The heating device for continuous high-temperature purification of spherical graphite also includes an exhaust pipe (16), a filter device (17), and an exhaust port (18). The front end of the bottom of the heating furnace body (1) is connected to the front end of the waste heat insulation pipe (13) through the exhaust pipe (16). The filter device (17) is installed in the bottom of the heating furnace body (1). The exhaust pipe (16) is connected to the front end of the filter device (17), and an exhaust port (18) is opened at the rear end of the filter device (17).