Magnetic separator for waste steel recovery

Abstract

The utility model discloses a magnetic separator for waste steel recovery. The magnetic separation tank body is arranged on the rack; the magnetic separation roller is arranged on the rack and is positioned in the magnetic separation tank body; the magnetic separation roller comprises a bearing seat, a magnetic separation roller body, a transmission mechanism and a current adjusting circuit; the hopper is arranged on the rack and located on one side of the magnetic separation groove body, and the hopper is connected with a feeding port of the magnetic separation groove body; the scrap steel collecting box is arranged below the magnetic separation tank body; and the non-magnetic impurity collecting box is arranged on one side of the lower portion of the magnetic separation groove body. The magnetic separator for waste steel recovery is reasonable in overall layout and stable in frame support, ensures the stability and reliability of the magnetic separator in the operation process, can flexibly adjust the magnetic field intensity according to the characteristics and separation requirements of different waste steel materials, adapts to various complex material conditions, and is suitable for large-scale production. The magnetic separation adaptability and the separation effect are improved.

Description

A magnetic separator for scrap steel recycling Technical Field

[0001] This utility model relates to the technical field of scrap steel recycling equipment, specifically to a magnetic separator for scrap steel recycling. Background Technology

[0002] Scrap steel is an important renewable resource, and recycling it can reduce dependence on primary resources such as iron ore. Steel production requires large amounts of resources such as iron ore and coal, which are finite and non-renewable. By recycling scrap steel, it can be remelted and processed into new steel products, achieving resource recycling and extending the lifespan of resources.

[0003] Scrap steel comes from a wide range of sources, including scrap cars, scrap machinery and equipment, scrap household appliances, and construction scrap. The first step is to collect this scrap steel, and then classify it according to its source, shape, size, and material. The purpose of classification is to facilitate subsequent processing and improve recycling efficiency and product quality. For example, light and thin scrap steel, heavy scrap steel, and alloy steel scrap steel can be stored separately.

[0004] Pre-treatment is a crucial step in the scrap steel recycling process, primarily involving dismantling, cutting, crushing, and cleaning. After pre-treatment, the scrap steel enters a magnetic separator for sorting. The magnetic separator is a key piece of equipment in the scrap steel recycling process; its working principle utilizes the property that steel can be magnetized in a magnetic field to separate ferromagnetic and non-magnetic materials from the scrap steel. The magnetically separated scrap steel then enters a smelting furnace for further processing.

[0005] Traditional magnetic separators may suffer from low sorting efficiency when separating scrap steel, resulting in the failure to effectively recover some ferromagnetic materials or the mixing of non-magnetic materials into the recycled scrap steel. By improving the structure of the magnetic separator, its adsorption capacity for ferromagnetic materials and sorting accuracy can be enhanced, thereby improving the recycling efficiency and product quality of scrap steel. Summary of the Invention

[0006] Purpose of the utility model: In order to overcome the above shortcomings, the purpose of this utility model is to provide a magnetic separator for scrap steel recycling, which can flexibly adjust the magnetic field strength according to the characteristics and sorting requirements of different scrap steel materials, adapt to various complex material conditions, improve the adaptability and sorting effect of magnetic separation, and has a wide application prospect.

[0007] Technical solution: A magnetic separator for scrap steel recycling, comprising:

[0008] frame;

[0009] A magnetic separator tank, which is mounted on a frame;

[0010] A magnetic separator drum is mounted on a frame and located within a magnetic separation tank. The magnetic separator drum includes bearing seats, a drum body, a transmission mechanism, and a current regulating circuit. Bearing seats are arranged side-by-side at both ends of the frame, and the drum body is mounted on the bearing seats at both ends. The transmission mechanism is mounted on the frame and connected to the drum body, driving the drum body to rotate under the support of the bearing seats. The drum body generates a magnetic field electromagnetically. The input terminal of the current regulating circuit is connected to a power supply, and the output terminal is connected to the drum body.

[0011] A hopper is mounted on the frame and located on one side of the magnetic separation tank. The hopper is connected to the feed inlet of the magnetic separation tank. A feed valve is provided at the feed inlet.

[0012] A scrap steel collection box is located below a magnetic separation tank. A scrap steel outlet is located on the side of the magnetic separation tank away from the feed inlet. The scrap steel outlet is connected to the scrap steel collection box, and a discharge valve is provided at the scrap steel outlet.

[0013] A non-magnetic impurity collection box is provided, which is located on one side below the magnetic separation tank. A non-magnetic impurity outlet is provided on the side of the magnetic separation tank away from the feed inlet and scrap steel outlet. The non-magnetic impurity outlet is connected to the non-magnetic impurity collection box. A discharge valve is provided at the magnetic impurity outlet.

[0014] The magnetic separator for scrap steel recycling described in this utility model is rationally designed with a reasonable overall layout and stable frame support, ensuring the stability and reliability of the magnetic separator during operation. The magnetic separator drum uses an electromagnetic method to generate the magnetic field. Compared to permanent magnet systems, the electromagnetic method has the advantage of adjustable magnetic field strength. The input terminal of the current adjustment circuit is connected to the power supply, and the output terminal is connected to the magnetic separator drum body. By adjusting the current, the magnetic field strength can be adjusted in real time. This allows the magnetic separator to flexibly adjust the magnetic field strength according to the characteristics and sorting requirements of different scrap steel materials, adapting to various complex material conditions and improving the adaptability and sorting effect of magnetic separation. The magnetic separator drum adopts existing technology and typically includes a drum shell, excitation winding, and iron core.

[0015] With the cooperation of the hopper, magnetic separation tank, scrap steel collection box and non-magnetic impurity collection box, and under the control of the valves at the inlet and outlet, the material flow can proceed in an orderly manner, which greatly improves the efficiency of scrap steel recycling and enables the magnetic separator to achieve continuous feeding, sorting and discharging operations.

[0016] Furthermore, the aforementioned magnetic separator for scrap steel recycling also includes:

[0017] An electrical control cabinet is installed on one side of the frame. The electrical control cabinet is connected to and controls the transmission mechanism, the current regulating circuit, the feed valve, the discharge valve one, and the discharge valve two.

[0018] The electrical control cabinet is connected to the transmission mechanism, controlling its start, stop, and speed adjustment. It is also connected to the current regulation circuit, adjusting its output current by sending control signals. Based on the rhythm and needs of the magnetic separation process, the electrical control cabinet controls the opening and closing of the feed valve, discharge valve one, and discharge valve two, ensuring that the scrap steel undergoing magnetic separation, the separated scrap steel, and non-magnetic impurities can enter the magnetic separation tank from the hopper in a timely manner, exit from the magnetic separation tank and enter the scrap steel collection box, and exit from the magnetic separation tank and enter the non-magnetic impurity collection box.

[0019] Furthermore, in the aforementioned magnetic separator for scrap steel recycling, the magnetic separator drum further includes:

[0020] A magnetic field strength sensor is provided. Several magnetic field strength sensors are evenly arranged inside the magnetic separator drum body to monitor the magnetic field strength at different positions on the surface of the magnetic separator drum body in real time. The magnetic field strength sensor is connected to the electrical control cabinet.

[0021] The magnetic field strength sensor monitors the magnetic field strength signals at different locations on the surface inside the magnetic separator drum in real time and feeds them back to the electrical control cabinet. After receiving these signals, the electrical control cabinet compares and analyzes them with the preset magnetic field strength values. If there is a deviation between the actual magnetic field strength and the preset value, the electrical control cabinet will further adjust the control signal to the current regulation circuit to achieve precise closed-loop control of the magnetic field strength and ensure the stability of the magnetic separation effect.

[0022] Furthermore, in the aforementioned magnetic separator for scrap steel recycling, the magnetic separator drum further includes:

[0023] A rinsing water assembly is mounted on the frame and located on the side of the magnetic separator drum body away from the hopper.

[0024] Scrap steel requiring magnetic separation enters the magnetic separation tank through a hopper and undergoes magnetic separation under the action of the magnetic separation drum. Utilizing the property that steel can be magnetized in a magnetic field, the scrap steel is adsorbed onto the magnetic separation drum body, while the separated non-magnetic impurities are discharged into the non-magnetic impurity collection box through the non-magnetic impurity outlet. During the magnetic separation process, the washing water component continuously washes the magnetic separation drum, washing off a small number of non-magnetic impurities adhering to the magnetic separation drum. After the magnetic separation work is completed, the magnetic separation drum is in a demagnetized state, and the scrap steel on it falls into the magnetic separation tank and is discharged into the scrap steel collection box through the scrap steel outlet.

[0025] Furthermore, in the aforementioned magnetic separator for scrap steel recycling, the rinsing water assembly includes:

[0026] A number of rinsing nozzles are evenly arranged along the axial direction of the magnetic separator drum body on the side of the magnetic separator drum body away from the hopper.

[0027] Water tank, the water tank being used to store rinsing water;

[0028] A water pump is provided, and the water tank, water pump, and flushing nozzle are connected via water pipes; the water pump is connected to the electrical control cabinet.

[0029] Furthermore, in the aforementioned magnetic separator for scrap steel recycling, the rinsing water assembly further includes:

[0030] A regulating valve is installed on the water pipeline; the regulating valve is connected to the electrical control cabinet;

[0031] A filtration device is installed on the water pipe between the water tank and the water pump.

[0032] A regulating valve is installed on the water pipeline to control and adjust the water flow to meet different flushing needs.

[0033] A filter device is installed on the water pipeline between the water tank and the water pump to filter impurities in the water, preventing them from clogging the flushing nozzles or entering the magnetic separation tank and affecting the magnetic separation effect. The filter device can be cleaned or the filter screen replaced periodically to ensure its filtration performance.

[0034] Furthermore, in the aforementioned magnetic separator for scrap steel recycling, the transmission mechanism includes a motor, a reducer, and a coupling, with the motor, reducer, coupling, and magnetic separator drum body connected sequentially at one end.

[0035] Furthermore, in the aforementioned magnetic separator for scrap steel recycling, the motor is a three-phase asynchronous motor.

[0036] This invention employs a high-performance three-phase asynchronous motor as the power source for the magnetic separator. A reducer converts the high-speed rotation of the motor into a low-speed, stable rotation of the magnetic separator drum. The reducer utilizes a high-precision, high-reliability gear transmission structure, effectively reducing speed and increasing torque to ensure the normal operation of the magnetic separator drum. A coupling connects the motor, reducer, and magnetic separator drum, transmitting power and ensuring concentricity and stability of the transmission. The coupling possesses a certain degree of elasticity and buffering capacity, absorbing vibrations and impacts generated by the motor and magnetic separator drum during operation, reducing damage to the equipment.

[0037] Furthermore, in the aforementioned magnetic separator for scrap steel recycling, a level sensor is installed inside the hopper, and the level sensor is connected to the electrical control cabinet.

[0038] A level sensor is installed in the hopper, which sends the material level information (when it reaches the set upper or lower limit) to the electrical control cabinet. After receiving the signal, the electrical control cabinet sends corresponding reminder signals to the operator according to the preset logic, such as audible and visual alarms, to remind the operator to feed or stop the feeding operation, so as to ensure the stability and continuity of the magnetic separator feeding process.

[0039] The beneficial effects of this utility model are as follows: The magnetic separator for scrap steel recycling described in this utility model has a reasonable overall layout and stable frame support, ensuring the stability and reliability of the magnetic separator during operation. The magnetic separator drum generates a magnetic field using electromagnetic means. Through a magnetic field strength sensor, the magnetic field strength signal at different positions on the surface of the magnetic separator drum is monitored in real time, and the current is intelligently adjusted. It can flexibly adjust the magnetic field strength according to the characteristics and sorting requirements of different scrap steel materials, adapting to various complex material conditions and improving the adaptability and sorting effect of magnetic separation. Through the cooperation of the hopper, magnetic separator tank, scrap steel collection box, and non-magnetic impurity collection box, and under the control of valves at the inlet and outlet, the flow of materials can be carried out in an orderly manner, greatly improving the efficiency of scrap steel recycling. This enables the magnetic separator to achieve continuous feeding, sorting, and discharging operations, and has broad application prospects. Attached Figure Description

[0040] Figure 1 is a structural schematic diagram of the magnetic separator for scrap steel recycling described in this utility model;

[0041] Figure 2 is a simplified connection diagram of the flushing water assembly of the magnetic separator for scrap steel recycling described in this utility model;

[0042] Figure 3 is a control architecture diagram of the magnetic separator for scrap steel recycling described in this utility model;

[0043] In the diagram: 1. Frame; 2. Magnetic separator tank; 3. Magnetic separator drum; 3. Bearing seat; 31. Magnetic separator drum body; 32. Transmission mechanism; 33. Motor; 331. Reducer; 332. Coupling; 333. Current regulating circuit; 34. Magnetic field strength sensor; 35. Hopper; 4. Feed valve; 41. Material level sensor; 42. Scrap steel collection box; 5. Discharge valve one; 51. Non-magnetic impurity collection box; 6. Discharge valve two; 61. Electrical control cabinet; 7. Flushing water assembly; 8. Flushing nozzle; 81. Water tank; 82. Water pump; 83. Water pipeline; 84. Regulating valve; 85. Filter device; 86. Detailed Implementation

[0044] The present invention will be further explained below with reference to Figures 1, 2, and 3 and Embodiments 1 and 2.

[0045] Example 1

[0046] As shown in Figure 1, the magnetic separator for scrap steel recycling of this utility model includes a frame 1, a magnetic separation tank 2, a magnetic separation drum 3, a hopper 4, a scrap steel collection box 5, a non-magnetic impurity collection box 6, and a rinsing water assembly 8.

[0047] Furthermore, as shown in Figure 1, the magnetic separation tank 2 is mounted on the frame 1, the hopper 4 is located on one side of the magnetic separation tank 2, and the magnetic separation drum 3 is mounted on the frame 1 and located inside the magnetic separation tank 2. The rinsing water assembly 8 is mounted on the frame 1 and located on the side of the magnetic separation tank 2 away from the hopper 4. The scrap steel collection box 5 is located below the magnetic separation tank 2, and the non-magnetic impurity collection box 6 is located on one side below the magnetic separation tank 2. The frame 1 serves as the basic support structure of the entire magnetic separator, providing a stable mounting platform for components such as the magnetic separation tank 2, magnetic separation drum 3, and hopper 4, ensuring the stability and reliability of the magnetic separator during operation, and reducing the impact of vibration or shaking on the magnetic separation effect.

[0048] Scrap steel requiring magnetic separation enters the magnetic separation tank 2 through the feed inlet in the hopper 4. Under the action of the magnetic separation drum 3, it undergoes magnetic separation. Utilizing the property that steel can be magnetized in a magnetic field, the scrap steel is adsorbed onto the magnetic separation drum 3, while the separated non-magnetic impurities are discharged into the non-magnetic impurity collection box 6 through the non-magnetic impurity outlet. During the magnetic separation process, the washing water assembly 8 continuously washes the magnetic separation drum 3, washing off a small number of non-magnetic impurities adhering to the magnetic separation drum 3. After the magnetic separation is completed, the magnetic separation drum is in a demagnetized state, and the scrap steel on it falls into the magnetic separation tank 2 and is discharged into the scrap steel collection box 5 through the scrap steel outlet.

[0049] Furthermore, the magnetic separator 3 includes bearing seats 31, a magnetic separator body 32, a transmission mechanism 33, and a current regulating circuit 34. Bearing seats 31 are arranged side-by-side at both ends of the frame 1, and the magnetic separator body 32 is mounted on the bearing seats 31 at both ends. The transmission mechanism 33 is mounted on the frame 1 and connected to the magnetic separator body 32, driving the magnetic separator body 32 to rotate under the support of the bearing seats 31. This structure provides stable support for the magnetic separator body 22, allowing it to rotate smoothly under the drive of the transmission mechanism 23. Stable rotation helps the scrap steel material to be evenly distributed on the surface of the magnetic separator body 22, fully receiving the effect of the magnetic field, thus improving the accuracy and efficiency of magnetic separation.

[0050] Furthermore, the magnetic separator drum body 32 generates a magnetic field using an electromagnetic method. Compared to permanent magnet systems, the electromagnetic method offers the advantage of adjustable magnetic field strength. The input terminal of the current regulating circuit 24 is connected to the power supply, and the output terminal is connected to the magnetic separator drum body 22. By adjusting the current, the magnetic field strength can be adjusted in real time. This allows the magnetic separator to flexibly adjust the magnetic field strength according to the characteristics and sorting requirements of different scrap steel materials, adapting to various complex material conditions and improving the adaptability and sorting effect of magnetic separation. For example, for scrap steel materials with strong magnetism, the magnetic field strength can be appropriately reduced to avoid excessive adsorption of magnetic materials; for scrap steel materials with weak magnetism, the magnetic field strength can be increased to ensure effective adsorption.

[0051] Furthermore, a feed valve 41 is installed at the feed inlet, a discharge valve 51 is installed at the scrap steel discharge outlet, and a discharge valve 61 is installed at the magnetic impurity discharge outlet. Through the cooperation of the hopper 4, the magnetic separation tank 2, the scrap steel collection box 5, and the non-magnetic impurity collection box 6, the flow of materials can be carried out in an orderly manner under the control of the valves at the feed inlet and each discharge outlet, which greatly improves the efficiency of scrap steel recycling and enables the magnetic separator to realize the continuous feeding, sorting and discharging operation process.

[0052] Example 2

[0053] Based on the structural foundation of Embodiment 1 and above, as shown in Figures 1 and 2.

[0054] As shown in Figure 2, the magnetic separator for scrap steel recycling described in this utility model includes a rinsing water assembly 8 comprising rinsing nozzles 81, a water tank 82, a water pump 83, a water pipeline 84, a regulating valve 85, and a filter device 86. During the magnetic separation process, the water tank 82 stores rinsing water, and the water pump 83 draws water from the tank and provides sufficient pressure to the rinsing nozzles 81. Several rinsing nozzles 81, evenly arranged along the axial direction of the magnetic separator drum body 32, continuously rinse the magnetic separator drum, washing away a small number of non-magnetic impurities attached to it. A regulating valve 85 is installed on the water pipeline 84 to control and regulate the water flow to meet different rinsing needs. A filter device 86 is installed on the water pipeline 84 between the water tank 82 and the water pump 83 to filter impurities in the water, preventing impurities from clogging the rinsing nozzles or entering the magnetic separator tank 2 and affecting the magnetic separation effect. The filter device 86 can be cleaned or its filter screen replaced periodically to ensure its filtration performance.

[0055] Furthermore, several magnetic field strength sensors 35 are uniformly arranged inside the magnetic separation drum body 32 to monitor the magnetic field strength at different positions on the surface of the magnetic separation drum body 32 in real time.

[0056] Furthermore, a material level sensor 42 is installed inside the hopper 4.

[0057] As shown in Figure 3, the magnetic separator for scrap steel recycling described in this utility model also includes an electrical control cabinet 7. The electrical control cabinet 7 is connected to and controls the transmission mechanism 33, the current regulating circuit 34, the magnetic field strength sensor 35, the feed valve 41, the material level sensor 42, the discharge valve 1 51, the discharge valve 2 62, the water pump 83, and the regulating valve 85.

[0058] The electrical control cabinet 7 is connected to the transmission mechanism 33, controlling the start, stop, and speed adjustment of the transmission mechanism 33. The magnetic field strength sensor 35 monitors the magnetic field strength signals at different positions on the surface inside the magnetic separator drum body 32 in real time and feeds them back to the electrical control cabinet 7. After receiving these signals, the electrical control cabinet 7 compares and analyzes them with preset magnetic field strength values. If the actual magnetic field strength deviates from the preset value, the electrical control cabinet 7 further adjusts the control signal to the current regulation circuit 34 to achieve precise closed-loop control of the magnetic field strength, ensuring the stability of the magnetic separation effect. According to the rhythm and needs of the magnetic separation process, the electrical control cabinet 7 controls the opening and closing of the feed valve 41, discharge valve one 51, and discharge valve two 61 to ensure that the scrap steel, separated scrap steel, and non-magnetic impurities undergoing magnetic separation can enter the magnetic separator tank 2 from the hopper 4 in a timely manner, exit from the magnetic separator tank 2 and enter the scrap steel collection box 5, and exit from the magnetic separator tank 2 and enter the non-magnetic impurity collection box 6. The material level sensor 42 sends the material level information in the hopper 4 to the electrical control cabinet 7. After receiving the signal, the electrical control cabinet 7 sends a corresponding reminder signal to the operator according to the preset logic. The electrical control cabinet 7 controls the start and stop of the water pump, and controls the regulating valve 85 to adjust the water flow to meet different flushing needs.

[0059] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements can be made without departing from the principle of the present utility model, and these improvements should also be considered within the protection scope of the present utility model.

Claims

1. A magnetic separator for scrap steel recycling, characterized in that, include: A frame (1); a magnetic separation tank (2), the magnetic separation tank (2) being mounted on the frame (1); a magnetic separation drum (3), the magnetic separation drum (3) being mounted on the frame (1) and located inside the magnetic separation tank (2); the magnetic separation drum (3) includes a bearing seat (31), a magnetic separation drum body (32), a transmission mechanism (33), and a current regulating circuit (34). The frame (1) has bearing seats (31) arranged side by side at both ends. The magnetic separation drum body (32) has both ends mounted on the bearing seats (31). The transmission mechanism (33) is mounted on the frame (1) and connected to the magnetic separation drum body (32). The transmission mechanism (33) drives the magnetic separation drum body (32) to rotate under the support of the bearing seats (31). The magnetic separation drum body (32) generates a magnetic field using electromagnetic means. The input end of the current regulating circuit (34) is connected to the power supply. The output end of the current regulating circuit (34) is connected to the magnetic separation drum body. The drum body (32) is connected; the hopper (4) is set on the frame (1) and located on one side of the magnetic separation tank (2), and the hopper (4) is connected to the feed inlet of the magnetic separation tank (2); a feed valve (41) is provided at the feed inlet; a scrap steel collection box (5) is set below the magnetic separation tank (2); a scrap steel discharge port is set on the side of the magnetic separation tank (2) away from the feed inlet, and the scrap steel discharge port is connected to the scrap steel collection box (5), and a discharge valve (51) is set at the scrap steel discharge port; a non-magnetic impurity collection box (6) is set on one side below the magnetic separation tank (2); a non-magnetic impurity discharge port is set on the side of the magnetic separation tank (2) away from the feed inlet and the scrap steel discharge port, and the non-magnetic impurity discharge port is connected to the non-magnetic impurity collection box (6), and a discharge valve (61) is set at the magnetic impurity discharge port.

2. The magnetic separator for scrap steel recycling according to claim 1, characterized in that, Also includes: Electrical control cabinet (7) is located on one side of the frame (1). The electrical control cabinet (7) is connected to the transmission mechanism (33), the current adjustment circuit (34), the feed valve (41), the first discharge valve (51), and the second discharge valve (61) and controls the transmission mechanism (33), the current adjustment circuit (34), the feed valve (41), the first discharge valve (51), and the second discharge valve (61).

3. The magnetic separator for scrap steel recycling according to claim 2, characterized in that, The magnetic separator (3) further includes a magnetic field strength sensor (35), in which several magnetic field strength sensors (35) are evenly arranged inside the magnetic separator body (32) to monitor the magnetic field strength at different positions on the surface of the magnetic separator body (32) in real time; the magnetic field strength sensor (35) is connected to the electrical control cabinet (7).

4. The magnetic separator for scrap steel recycling according to claim 1, characterized in that, The magnetic separator (3) further includes a rinsing water assembly (8), which is mounted on the frame (1) and located on the side of the magnetic separator body (32) away from the hopper (4).

5. The magnetic separator for scrap steel recycling according to claim 4, characterized in that, The rinsing water assembly (8) includes: rinsing nozzles (81), a plurality of rinsing nozzles (81) are evenly arranged along the axial direction of the magnetic separator drum body (32) on the side away from the hopper (4); a water tank (82), which is used to store rinsing water; a water pump (83), which is connected to the water tank (82), the water pump (83) and the rinsing nozzles (81) through a water pipeline (84); and the water pump (83) is connected to the electrical control cabinet (7).

6. The magnetic separator for scrap steel recycling according to claim 5, characterized in that, The flushing water assembly (8) further includes: a regulating valve (85), which is installed on the water pipeline (84); the regulating valve (85) is connected to the electrical control cabinet (7); and a filter device (86), which is installed on the water pipeline (84) between the water tank (82) and the water pump (83).

7. The magnetic separator for scrap steel recycling according to claim 1, characterized in that, The transmission mechanism (33) includes a motor (331), a reducer (332), and a coupling (333), which are connected in sequence at one end.

8. The magnetic separator for scrap steel recycling according to claim 7, characterized in that, The motor (331) is a three-phase asynchronous motor.

9. The magnetic separator for scrap steel recycling according to claim 2, characterized in that, The hopper (4) is equipped with a level sensor (42), which is connected to the electrical control cabinet (7).

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