Self-cooling cone crusher

Abstract

The utility model provides a self-cooling type cone crusher which comprises a movable cone part and a fixed cone part, a lining plate is arranged outside the movable cone part, the movable cone part or the lining plate is provided with a cooling device, the cooling device is spirally coiled, a rotary joint is arranged at the bottom of the movable cone part, the cooling device is connected with an external liquid supply system through the rotary joint, and the fixed cone part is connected with the fixed cone part. The liquid supply system provides cooling liquid, and the cooling liquid flows through the cooling device to take away heat generated in the working process of the movable cone part and the lining plate. And the influence of high temperature on the movable cone part is reduced. Excessive abrasion and material performance degradation of the movable cone part and the lining plate under the high-temperature condition are avoided, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to a mining equipment, in particular to a self-cooling type cone crusher. Background Art

[0002] Cone crushers are widely used crushing equipment in industries such as mining and construction. Its main working principle is to use the relative movement between the moving cone and the fixed cone to perform crushing actions such as extrusion, splitting, and bending on materials. As one of the core components, the moving cone bears huge mechanical stresses and frictional forces during operation. The action of these forces will not only cause wear on the surface of the moving cone but also lead to a significant increase in the temperature of the moving cone.

[0003] In the actual operation of the cone crusher, due to the high-speed rotation state of the moving cone, it continuously contacts and rubs against the materials and the fixed cone. The hardness, particle size, and supply volume of the materials will all affect the load of the crusher, thereby directly affecting the working temperature of the moving cone. Especially when processing high-strength materials such as hard ores and metal ores, the surface of the moving cone will quickly heat up due to intense friction. In addition, the internal structure of the moving cone is complex, and a large amount of heat will be generated due to internal friction during its rotation. If these heats cannot be dissipated in time, the temperature of the moving cone will continue to rise, leading to a series of serious consequences.

[0004] 1. When the working temperature of the moving cone is too high, the mechanical properties such as strength, hardness, and toughness of the metal material will significantly decline. In a high-temperature environment, the material of the moving cone may undergo an annealing effect, resulting in a decrease in its hardness, which will further exacerbate wear and deformation.

[0005] 2. Wear-resistant liners are usually equipped on the surface of the moving cone. High temperature will not only accelerate the wear of the liners but also may cause thermal fatigue, cracking, or spalling of the liner material, significantly shortening the service life of the liners, thereby increasing the maintenance cost of the equipment.

[0006] 3. A lubrication system is usually provided inside the moving cone to reduce friction and wear. However, when the temperature of the moving cone is too high, the viscosity of the lubricating oil will decrease, and even thermal decomposition may occur, resulting in the failure of the lubrication system. This will increase the friction of the moving cone and further worsen the high-temperature problem.

[0007] 4. High temperature of the moving cone will cause excessive wear and aging of key components such as bearings and seals, increasing the risk of equipment failure. In addition, the high temperature of the moving cone may also affect the overall operating state of the crusher, reducing the crushing efficiency, and even causing the equipment to stop, affecting the production progress.

[0008] In view of the above problems, how to effectively reduce the working temperature of the moving cone and ensure that the moving cone can still operate stably under high-strength and high-load working conditions is the main technical problem to be solved in this application. Summary of the Utility Model

[0009] The purpose of the utility model is to provide a self-cooling cone crusher in view of the defects existing in the above-mentioned technology. The moving cone or the liner is provided with a cooling device. The temperature of the liquid supply pipeline and the liquid return pipeline of the cooling device is monitored by a flow control system, and the flow rate and flow velocity of the coolant are adjusted in real time according to the temperature difference to ensure the cooling effect.

[0010] The purpose of the utility model is achieved as follows: the cone crusher of the present application comprises a moving cone and a fixed cone, a lining is provided on the outside of the moving cone, the moving cone or the lining is provided with a cooling device, the cooling device is spirally disc-shaped, a rotary joint is provided at the bottom of the moving cone, the cooling device is connected to an external liquid supply system through the rotary joint, the liquid supply system provides cooling liquid, and the cooling liquid flows through the cooling device to take away the heat generated during the working process of the moving cone and the lining.

[0011] In the above structure, a liquid supply pipeline and a liquid return pipeline are provided between the liquid supply system and the cooling device. The liquid return pipeline is connected to a heat exchanger, and the heat exchanger is connected to an external cooling device. The heated coolant is heat exchanged with an external low-temperature cooling medium through the heat exchanger, thereby reducing the temperature of the coolant.

[0012] In the above structure, the liquid supply system is also provided with a flow control system, which automatically controls the flow and flow rate of the coolant by monitoring the workload or temperature change of the crusher to ensure the cooling effect.

[0013] In the above structure, the flow control system is provided with a first temperature sensor and a second temperature sensor, the first temperature sensor is connected to the liquid supply pipeline, and the second temperature sensor is connected to the liquid return pipeline; the flow control system is also provided with a controller, the first temperature sensor and the second temperature sensor transmit the coolant temperature data in the liquid supply pipeline and the coolant temperature data in the liquid return pipeline to the controller, and the controller controls the flow rate and flow rate of the coolant through temperature difference analysis to optimize the cooling effect, and adjusts the operating state of the liquid supply system in real time to avoid overheating of the moving cone.

[0014] In the above structure, the liquid supply system includes a liquid storage cabinet and a circulation pump, the liquid supply pipeline is connected to the inside of the liquid storage cabinet and is connected to the circulation pump, and the liquid return pipeline is connected to the top of the liquid storage cabinet.

[0015] Advantages of the present utility model: A cooling device is provided on the moving cone part or the lining plate. The heat generated during the operation of the moving cone part is carried away by the cooling device, and the flow rate and velocity of the coolant are automatically controlled according to the temperature difference of the coolant in the liquid supply pipeline and the liquid return pipe to ensure the cooling effect and reduce the impact of high temperature on the moving cone part. This avoids excessive wear and degradation of the material properties of the moving cone part and the lining plate under high temperature conditions, and extends the service life. The reduction of the internal temperature of the moving cone also reduces the influence of thermal stress on the moving cone part, preventing the generation of thermal fatigue and cracks caused by temperature fluctuations, thereby further enhancing the durability of the cone crusher and reducing the production cost. Description of the Drawings

[0016] Figure 1 is a schematic cross-sectional structure diagram of the cone crusher of the present utility model;

[0017] Figure 2 is a control logic diagram of the flow control system of the present utility model. Detailed Embodiment

[0018] This application provides a self-cooling cone crusher. A cooling device is provided on the moving cone part or the lining plate. The heat generated during the operation of the moving cone part is carried away by the cooling device, and the flow rate and velocity of the coolant are automatically controlled according to the temperature difference of the coolant in the liquid supply pipeline and the liquid return pipe to ensure the cooling effect. This solves the problems of high working temperature of the moving cone part of the existing cone crusher, which affects the overall life of the cone crusher and results in high maintenance costs.

[0019] The following further describes this embodiment with reference to the drawings:

[0020] As Figure 1 — Figure 2 can be seen, the cone crusher of this application includes a moving cone part 1 and a fixed cone part 2. A lining plate 3 is provided outside the moving cone part 1. A crushing cavity is formed between the moving cone part 1 and the fixed cone part 2 for crushing materials. A lining plate 3 is provided on the outer surface of the moving cone part 1 to reduce wear and improve the service life. A cooling device 4 is provided on the moving cone part 1 or the lining plate 3. The cooling device 4 is spirally wound. In this embodiment, the cooling device 4 is made by coiling a round pipe, and spiral grooves are provided on the outer surface of the moving cone part 1 or the back of the lining plate 3, and the cooling device 4 is coiled in the spiral grooves. Among them, the cooling device 4 can be made of materials with good heat conduction performance such as copper materials. A rotary joint 5 is provided at the bottom of the moving cone part 1. The cooling device 4 is connected to an external liquid supply system through the rotary joint 5. The design of the rotary joint 5 enables the coolant to effectively enter and flow out of the cooling device even when the moving cone rotates at high speed. The liquid supply system provides the coolant, and the coolant flows through the cooling device 4 to carry away the heat generated during the operation of the moving cone part 1 and the lining plate 3.

[0021] On the basis of the above-mentioned embodiment, preferably, a liquid supply pipeline 410 and a liquid return pipeline 420 are provided between the liquid supply system and the cooling device 4, and the liquid return pipeline 420 is connected to a heat exchanger 6, and the heat exchanger 6 is connected to an external cooling device, and the heated coolant is heat-exchanged with an external low-temperature cooling medium through the heat exchanger 6, thereby reducing the temperature of the coolant. In this embodiment, in order to ensure that the coolant has sufficient cooling capacity in the next cycle, a heat exchanger 6 is provided in the liquid return pipeline 420. The heat exchanger 6 is connected to an external cooling device, and the temperature of the coolant is reduced by heat exchange with the low-temperature cooling medium. After passing through the heat exchanger 6, the temperature of the coolant is reduced and enters the liquid storage cabinet 810 again, ready for the next cycle, thereby ensuring the cooling effect.

[0022] On the basis of the above implementation, preferably, the liquid supply system is also provided with a flow control system, which automatically controls the flow and flow rate of the coolant by monitoring the workload or temperature change of the crusher to ensure the cooling effect. In this embodiment, the flow control system is provided with a first temperature sensor 710 and a second temperature sensor 720, the first temperature sensor 710 is connected to the liquid supply pipeline 410, and the second temperature sensor 720 is connected to the liquid return pipeline 420. The flow control system is also provided with a controller, the first temperature sensor 710 and the second temperature sensor 720 transmit the coolant temperature data in the liquid supply pipeline 410 and the coolant temperature data in the liquid return pipeline 420 to the controller, and the controller controls the flow rate and flow of the coolant through temperature difference analysis to optimize the cooling effect, and adjusts the operating state of the liquid supply system in real time to avoid overheating of the moving cone 1. When the temperature difference is greater than the threshold value, it means that the temperature of the moving cone 1 of the crusher is high, and the controller controls the circulation pump to increase the flow rate to take away more heat; when the temperature difference is less than the threshold value, it means that the cooling effect meets expectations, and the circulation pump maintains the original flow rate.

[0023] Based on the above embodiment, preferably, the liquid supply system includes a liquid storage tank 810 and a circulation pump 820, the liquid supply pipeline 410 is connected to the inside of the liquid storage tank 810 and connected to the circulation pump 820, and the liquid return pipeline 420 is connected to the top of the liquid storage tank 810.

[0024] Working process:

[0025] During the operation of the cone crusher, the moving cone 1 rotates at high speed, generating a large amount of friction between the fixed cone 2 and the material, causing the surface temperature of the moving cone 1 and the liner 3 to rise rapidly. In order to effectively control the working temperature of the moving cone 1, the present invention injects coolant into the cooling device 4 of the moving cone 1 through a liquid supply system.

[0026] The coolant flows in the cooling channels made of spiral discs, absorbs the heat from the surfaces of the moving cone part 1 and the liner plate 3, and thus takes away the heat. The coolant after taking away the heat returns to the liquid storage tank 810 through the liquid return pipeline 420, exchanges heat with the external low-temperature cooling medium through the heat exchanger 6, and after reducing its temperature, enters the liquid supply system again for circulation.

[0027] The flow control system automatically adjusts the flow rate and flow volume of the coolant by real-time monitoring of the temperature difference between the liquid supply pipeline 410 and the liquid return pipeline 420 to adapt to the cooling requirements of the moving cone part 1 under different working conditions, ensuring the efficient operation of the cooling system. The design of the cooling system can effectively prevent problems such as wear and lubrication failure of the moving cone part 1 caused by overheating, extend the service life of the moving cone part 1 and the liner plate 3, and improve the working efficiency and stability of the cone crusher.

[0028] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0029] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", "connected to" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

Claims

1. A self-cooling type cone crusher, comprising a moving cone part and a fixed cone part, characterized in that, A lining is provided on the outside of the moving cone, and a cooling device is provided on the moving cone or the lining. The cooling device is spirally coiled, and a rotary joint is provided at the bottom of the moving cone. The cooling device is connected to an external liquid supply system through the rotary joint. The liquid supply system provides coolant, and the coolant flows through the cooling device to take away the heat generated during the operation of the moving cone and the lining.

2. The self-cooling type cone crusher according to claim 1, wherein, A liquid supply pipeline and a liquid return pipeline are provided between the liquid supply system and the cooling device. The liquid return pipeline is connected to a heat exchanger, and the heat exchanger is connected to an external cooling device. The heated coolant is heat exchanged with an external low-temperature cooling medium through the heat exchanger, thereby reducing the temperature of the coolant.

3. The self-cooling type cone crusher according to claim 2, wherein, The liquid supply system is also provided with a flow control system, which automatically controls the flow and flow rate of the coolant by monitoring the working load or temperature change of the crusher to ensure the cooling effect.

4. The self-cooling type cone crusher according to claim 3, characterized in that, The flow control system is provided with a first temperature sensor and a second temperature sensor, wherein the first temperature sensor is connected to the liquid supply pipeline, and the second temperature sensor is connected to the liquid return pipeline; The flow control system is also provided with a controller. The first temperature sensor and the second temperature sensor transmit the coolant temperature data in the liquid supply pipeline and the coolant temperature data in the liquid return pipeline to the controller. The controller controls the flow rate and flow rate of the coolant through temperature difference analysis to optimize the cooling effect, and adjusts the operating state of the liquid supply system in real time to avoid overheating of the moving cone.

5. The self-cooling type cone crusher according to claim 2 or 3, characterized in that, The liquid supply system comprises a liquid storage tank and a circulation pump, the liquid supply pipeline is connected to the inside of the liquid storage tank and is connected to the circulation pump, and the liquid return pipeline is connected to the top of the liquid storage tank.

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