Phosphorite beneficiation grid multi-station intelligent dredging device

Abstract

The utility model discloses a phosphorite ore dressing grid multi-station intelligence dredging device, and the device includes fixed hydraulic crusher, line laser 3D camera and intelligent control system, the fixed hydraulic crusher is located between two grid one side, and the swing base is movably arranged on its fixed base, the swing base is hinged with the big arm mechanism and big arm oil cylinder, the big arm mechanism is hinged with two arm mechanism and two arm oil cylinder, two arm mechanism is hinged with hydraulic hammer and hammer oil cylinder, and swing base is equipped with swing support, central swing joint and swing motor, line laser 3D camera is located above the grid and is connected with intelligent control system, and intelligent control system links fixed hydraulic crusher, and is also connected with central control room and remote control unit, and hydraulic hammer is equipped with sensor, and each oil cylinder is connected with proportional electromagnetic valve and operation platform, the utility model discloses the above -mentioned structure, can effectively promote cleaning efficiency, reduce operating cost and guarantee the job safety, satisfy modernization phosphorite ore dressing production demand.

Description

Technical Field

[0001] This utility model relates to the field of mineral mining technology, specifically a multi-station intelligent dredging device for phosphate ore beneficiation grids. Background Technology

[0002] In the phosphate rock resource development and processing industry chain, the beneficiation stage is a core process for improving phosphate rock quality and ensuring the efficiency of subsequent deep processing. Its production continuity and stability directly determine the overall capacity and economic benefits of mining enterprises. The pre-treatment feeding process of raw ore is the first critical node in beneficiation operations, and the screen, as the core filtering component in this process, plays a crucial role in particle size classification of the raw ore. When transport vehicles deliver the mined raw ore to the screen above the feed inlet, fine ore particles that meet the requirements for subsequent hopper feeding can smoothly pass through the screen gaps and flow into the hopper, thus entering subsequent beneficiation processes such as ball milling and flotation. Large pieces of ore exceeding the particle size limit (such as agglomerated ore and large primary ore) are intercepted by the screen and accumulate on its surface. However, in actual production, due to factors such as fluctuations in the particle size of the raw ore during mining and agglomeration during transportation, the accumulation of large ore pieces on the grid surface is extremely common. If not handled in time, this can easily lead to grid blockage. Once the grid becomes blocked, it not only obstructs the normal flow path of fine ore, causing a sharp drop in the feed flow, but in severe cases, it can even cause a complete interruption of the feed to the entire beneficiation production line, resulting in significant capacity losses for the enterprise. More importantly, grid blockage has become one of the main bottlenecks restricting the continuous production of phosphate ore beneficiation plants, and its processing efficiency and safety directly affect the enterprise's production and operating costs and operational safety management level. Currently, the traditional method used in the industry to deal with grid blockage mainly relies on manual operation of excavators equipped with hydraulic breakers for on-site cleaning. This method has three major drawbacks: 1. Excavators need to drive from the designated parking area to the location of the blocked grid. During the cleaning process, the breaker hammer needs to be manually and precisely controlled to aim at large pieces of ore. Due to the limited operating space (such as the dense layout of equipment around the feed inlet), a single cleaning operation often takes a long time. Especially during the peak period of raw ore supply, frequent blockages and inefficient cleaning will form a vicious cycle, further aggravating the loss of production capacity.

[0003] 2. The manual cleaning mode requires the simultaneous investment of excavators and professional operators. Not only are the costs of equipment purchase, maintenance and fuel consumption high, but operators also need to have skilled driving and crushing operations. As a result, labor costs remain high for a long time, which significantly increases the production cost burden of enterprises.

[0004] 3. During the cleanup operation, the operator needs to drive the excavator to work around the feed inlet. This area has multiple safety hazards such as ore rolling and equipment collision. In addition, large pieces of ore may be splashed during the crushing process, which can easily pose a safety threat to the operator and the surrounding equipment.

[0005] In summary, current methods for dealing with grid blockage in phosphate ore beneficiation plants have significant shortcomings in terms of efficiency, cost, and safety, and cannot meet the demands of modern phosphate ore beneficiation production for efficient, low-cost, and highly safe operations. Summary of the Invention The technical problem to be solved by this utility model is to provide a multi-station intelligent unblocking device for phosphate ore beneficiation grids. Through the collaboration of a fixed hydraulic crusher, a line laser 3D camera, and an intelligent control system, it can realize automatic identification of grid blockage and efficient unblocking of multiple stations. At the same time, it supports remote control, effectively improving cleaning efficiency, reducing operating costs, and ensuring operational safety, thus meeting the needs of modern phosphate ore beneficiation production.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a multi-station intelligent dredging device for phosphate ore beneficiation grids, including a fixed hydraulic crusher, wherein the fixed hydraulic crusher is set between two grids on one side, and a line laser 3D camera is provided above the two grids. Multiple line laser 3D cameras are connected to the same intelligent control system. The intelligent control system is connected to the fixed hydraulic crusher and realizes the control of the fixed hydraulic crusher. The intelligent control system is also connected to the central control room to enable remote manual operation.

[0007] In a preferred embodiment, the fixed hydraulic crusher includes a fixed base, a slewing base is movably mounted above the fixed base, a boom mechanism is hinged to the slewing base, and a boom cylinder for controlling the angle of the boom mechanism is also hinged to the slewing base. The upper arm mechanism is hinged to a two-arm mechanism at its end, and a two-arm hydraulic cylinder for controlling the angle of the two-arm mechanism is also hinged to the upper arm mechanism. A hydraulic hammer is hinged to the end of the two-arm mechanism, and a rotating hammer cylinder for controlling the angle of the hydraulic hammer is also hinged to the two-arm mechanism.

[0008] In a preferred embodiment, a connecting rod is hinged to the bottom end of the hydraulic hammer. One end of the connecting rod is hinged to the hydraulic hammer, and the other end is hinged to one end of a rocker arm. The other end of the rocker arm is hinged to the end of the two-arm mechanism. The push rod end of the rotating hammer cylinder is hinged to the hinge point between the rocker arm and the connecting rod.

[0009] In a preferred embodiment, the fixed base is provided with a slewing bearing, and the slewing base is provided with a central slewing joint, and the slewing bearing and the central slewing joint are connected to form a movable connection. The rotating base is equipped with a rotating motor.

[0010] In a preferred embodiment, the line laser 3D camera is equipped with a laser emitter and an image sensor, which are connected to a data processing unit.

[0011] In a preferred embodiment, the stationary hydraulic crusher is equipped with a main control unit. The line laser 3D camera transmits image signals and laser signals to the main control unit through a data processing unit, and the main control unit controls the operation of the stationary hydraulic crusher.

[0012] In a preferred embodiment, the main control unit is also connected to the remote control unit via a communication module.

[0013] In a preferred embodiment, the main control unit is connected to a hydraulic hammer sensor mounted on the hydraulic hammer.

[0014] In a preferred embodiment, the main control unit is connected to the proportional solenoid valves of each cylinder of the stationary hydraulic crusher, and each proportional solenoid valve is also connected to the on-site control panel.

[0015] The multi-station intelligent unblocking device for phosphate ore beneficiation grids provided by this utility model has the following beneficial effects by adopting the above-mentioned structure: (1) Line laser 3D camera identifies grid blockage in real time, and combined with intelligent control system to link fixed hydraulic crusher, it can quickly cover the double grid area with multi-degree-of-freedom structure, accurately adjust hydraulic hammer to crush large ore, eliminate the redundant links of excavator, avoid feeding interruption, and ensure continuous operation of production line. (2) Fixed hydraulic crushers can reduce movement losses and reduce operation and maintenance costs. The automated operation of the whole system reduces the number of professional operators and saves labor costs. (3) By remote control and automation, “human-machine separation” is achieved. Personnel do not need to enter the danger zone. The hydraulic hammer sensor can detect abnormalities and trigger protection, eliminating risks such as ore rolling and crushing splashes, and effectively reducing the accident rate. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments: Figure 1 This is a system layout diagram of the present invention.

[0017] Figure 2 This is a schematic diagram of the structure of the fixed hydraulic crusher of this utility model.

[0018] Figure 3 This is a block diagram of the intelligent control system of this utility model.

[0019] In the diagram: fixed base 1, slewing base 2, boom cylinder 3, boom mechanism 4, second boom cylinder 5, second boom mechanism 6, hammer cylinder 7, rocker arm 8, connecting rod 9, hydraulic hammer 10, slewing motor 11, slewing bearing 12, central slewing joint 13. Detailed Implementation

[0020] like Figure 1 In the present invention, a multi-station intelligent dredging device for phosphate ore beneficiation grids includes a fixed hydraulic crusher, which is set between two grids on one side. A line laser 3D camera is installed above the two grids. Multiple line laser 3D cameras are connected to the same intelligent control system. The intelligent control system is connected to the fixed hydraulic crusher and realizes the control of the fixed hydraulic crusher. The intelligent control system is also connected to the central control room to enable remote manual operation.

[0021] In a preferred embodiment, the fixed hydraulic crusher includes a fixed base 1, a slewing base 2 is movably mounted above the fixed base 1, a boom mechanism 4 is hinged to the slewing base 2, and a boom cylinder 3 for controlling the angle of the boom mechanism 4 is also hinged to the slewing base 2. The upper arm mechanism 4 is hinged to a two-arm mechanism 6 at its end, and a two-arm hydraulic cylinder 5 for controlling the angle of the two-arm mechanism 6 is also hinged to the upper arm mechanism 4. A hydraulic hammer 10 is hinged to the end of the two-arm mechanism 6, and a rotating hammer cylinder 7 for controlling the angle of the hydraulic hammer 10 is also hinged to the two-arm mechanism 6.

[0022] In a preferred embodiment, the bottom end of the hydraulic hammer 10 is hinged to a connecting rod 9, one end of the connecting rod 9 is hinged to the hydraulic hammer 10, and the other end is hinged to one end of a rocker arm 8, the other end of which is hinged to the end of the two-arm mechanism 6. The push rod end of the rotating hammer cylinder 7 is hinged to the hinge point between the rocker arm 8 and the connecting rod 9.

[0023] In a preferred embodiment, the fixed base 1 is provided with a slewing bearing 12, and the slewing base 2 is provided with a central slewing joint 13. The slewing bearing 12 and the central slewing joint 13 are connected in a movable manner. The rotary base 2 is equipped with a rotary motor 11.

[0024] In a preferred embodiment, the line laser 3D camera is equipped with a laser emitter and an image sensor, which are connected to a data processing unit.

[0025] In a preferred embodiment, the stationary hydraulic crusher is equipped with a main control unit. The line laser 3D camera transmits image signals and laser signals to the main control unit through a data processing unit, and the main control unit controls the operation of the stationary hydraulic crusher.

[0026] In a preferred embodiment, the main control unit is also connected to the remote control unit via a communication module.

[0027] In a preferred embodiment, the main control unit is connected to the hydraulic hammer sensor mounted on the hydraulic hammer 10.

[0028] In a preferred embodiment, the main control unit is connected to the proportional solenoid valves of each cylinder of the stationary hydraulic crusher, and each proportional solenoid valve is also connected to the on-site control panel.

[0029] The multi-station intelligent unblocking device for phosphate ore beneficiation grids disclosed in this utility model has the following operation process: Combination Figure 1 In phosphate ore beneficiation, raw ore is dumped by transport vehicles onto two parallel grids. Fine ore that meets the particle size requirements flows through the grid gaps into the hopper below, while larger pieces of ore accumulate on the grid surface. At this time, four line laser 3D cameras installed above the two grids start working. Their laser emitters emit linear lasers onto the grid surface, and image sensors simultaneously capture images of the ore distribution in the laser-irradiated area. The laser signals and image signals are transmitted in real time to the data processing unit built into the line laser 3D cameras. The data processing unit analyzes the degree of laser contour distortion and image grayscale differences to quickly determine the location and thickness of the large ore accumulation. When the ore accumulation thickness in a certain area exceeds a preset threshold (which can be set to 30cm), it is determined to be a grid blockage, and the grid number (e.g., the middle of the left grid) and coordinate parameters corresponding to the blocked area are recorded.

[0030] The data processing unit converts the blockage identification results (including blockage location and severity) into digital signals, which are then transmitted to the main control unit of the stationary hydraulic breaker via a wired communication link. Upon receiving the signal, the main control unit automatically plans the clearing path based on pre-stored parameters such as the grid size and the hydraulic breaker's operating range. First, it calculates the required rotation angle of the slewing base (for example, if the blockage area is in the middle of the left grid, the slewing base needs to rotate 25° clockwise). Then, it determines the lifting angles of the boom and secondary boom mechanisms, as well as the required crushing angle of the hydraulic hammer. Simultaneously, the main control unit synchronizes the blockage information and the planned path to the central control room via the communication module for real-time monitoring by operators.

[0031] The main control unit sends control commands to each actuator of the stationary hydraulic crusher according to the planned path: First, a drive signal is sent to the rotary motor 11 of the rotary base 2. The rotary motor 11 drives the rotary base 2 to rotate 25° clockwise through the cooperation structure between the rotary bearing 12 and the central rotary joint 13, so that the hydraulic hammer is aligned with the blockage area of ​​the left side of the grille. Secondly, a command is sent to the proportional solenoid valve of the boom cylinder 3, the push rod of the boom cylinder 3 extends, and pushes the boom mechanism 4 to rise upward around the hinge point of the slewing base 2 by a predetermined angle, thereby driving the second boom mechanism 6 and the hydraulic hammer to approach the blockage area. Third, a signal is sent to the proportional solenoid valve of the second arm cylinder 5, the push rod of the second arm cylinder 5 retracts, and the second arm mechanism 6 is pulled to rotate around the hinge point at the end of the main arm mechanism 4 by a predetermined angle, further shortening the distance between the hydraulic hammer and the large piece of ore. Finally, a command is sent to the proportional solenoid valve of the rotating hammer cylinder 7, the push rod of the rotating hammer cylinder 7 extends, and pushes the rocker arm 8 to rotate around the hinge point at the end of the two-arm mechanism 6. The rocker arm 8 drives the hydraulic hammer 10 to adjust the corresponding angle around the hinge point through the connecting rod 9, so as to ensure that the hammer head of the hydraulic hammer 10 is accurately aligned with the large piece of ore.

[0032] After the hydraulic hammer 10 is adjusted into position, the main control unit sends a start command to the hydraulic hammer 10, and the hydraulic hammer 10 begins high-frequency impact on the large ore. At the same time, the hydraulic hammer sensor on the hydraulic hammer 10 collects parameters such as impact force and frequency in real time and feeds them back to the main control unit. If the sensor detects that the impact force exceeds a preset safety threshold, the main control unit immediately sends a force reduction command to the hydraulic hammer 10 to avoid damaging the grid. If an abnormal impact frequency is detected (such as below a certain set value), it is determined that the large ore has been broken, and the main control unit sends reset commands to the proportional solenoid valves of each cylinder in sequence.

[0033] After the dredging operation is completed, the line laser 3D camera re-detects the original blocked area. The data processing unit confirms that the blockage has been cleared (ore accumulation thickness is less than 10cm) and transmits a "dredging complete" signal to the main control unit. The main control unit generates a record of this operation, uploads it to the central control room for storage via the communication module, and simultaneously sends a completion notification to the on-site control panel. This concludes a single intelligent dredging operation.

[0034] If the operator in the central control room observes a special blockage situation (such as a large piece of ore stuck in the gap of the grid) through the remote control unit, they can send a manual control command to the main control unit through the communication module to directly adjust the action of each hydraulic cylinder and the parameters of the hydraulic hammer, so as to realize remote manual intervention to clear the blockage.

Claims

1. A multi-station intelligent unblocking device for phosphate ore beneficiation grids, characterized in that: The system includes a stationary hydraulic crusher, which is positioned between two grids on one side. Line laser 3D cameras are installed above the two grids. Multiple line laser 3D cameras are connected to the same intelligent control system. The intelligent control system is connected to the stationary hydraulic crusher and controls the stationary hydraulic crusher. The intelligent control system is also connected to the central control room to enable remote manual operation.

2. The multi-station intelligent unblocking device for phosphate ore beneficiation grids according to claim 1, characterized in that: The fixed hydraulic crusher includes a fixed base (1), a rotating base (2) is movably provided above the fixed base (1), a boom mechanism (4) is hinged on the rotating base (2), and a boom cylinder (3) for controlling the angle of the boom mechanism (4) is also hinged on the rotating base (2). The upper arm mechanism (4) is hinged to the end of the two arm mechanism (6), and the upper arm mechanism (4) is also hinged to the two arm cylinder (5) for controlling the angle of the two arm mechanism (6). The two-arm mechanism (6) is hinged to a hydraulic hammer (10) at one end, and a rotating hammer cylinder (7) for controlling the angle of the hydraulic hammer (10) is also hinged to the two-arm mechanism (6).

3. The multi-station intelligent unblocking device for phosphate ore beneficiation grids according to claim 2, characterized in that: The bottom end of the hydraulic hammer (10) is hinged to a connecting rod (9). One end of the connecting rod (9) is hinged to the hydraulic hammer (10), and the other end is hinged to one end of the rocker arm (8). The other end of the rocker arm (8) is hinged to the end of the two-arm mechanism (6). The push rod end of the rotating hammer cylinder (7) is hinged to the hinge point between the rocker arm (8) and the connecting rod (9).

4. The multi-station intelligent unblocking device for phosphate ore beneficiation grids according to claim 2, characterized in that: The fixed base (1) is provided with a slewing bearing (12), and the slewing base (2) is provided with a central slewing joint (13). The slewing bearing (12) and the central slewing joint (13) are connected to form a movable connection. The rotary base (2) is equipped with a rotary motor (11).

5. The multi-station intelligent unblocking device for phosphate ore beneficiation grids according to claim 1, characterized in that: The line laser 3D camera is equipped with a laser emitter and an image sensor, which are connected to a data processing unit.

6. The multi-station intelligent unblocking device for phosphate ore beneficiation grids according to claim 5, characterized in that: The stationary hydraulic crusher is equipped with a main control unit. The line laser 3D camera transmits image signals and laser signals to the main control unit through the data processing unit. The main control unit controls the operation of the stationary hydraulic crusher.

7. The multi-station intelligent unblocking device for phosphate ore beneficiation grids according to claim 6, characterized in that: The main control unit is also connected to the remote control unit via a communication module.

8. The multi-station intelligent unblocking device for phosphate ore beneficiation grids according to claim 6, characterized in that: The main control unit is connected to the hydraulic hammer sensor installed on the hydraulic hammer (10).

9. The multi-station intelligent unblocking device for phosphate ore beneficiation grids according to claim 6, characterized in that: The main control unit is connected to the proportional solenoid valves of each cylinder of the stationary hydraulic crusher, and each proportional solenoid valve is also connected to the on-site control panel.

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