Massecuite separation condition detection device of centrifugal machine

Abstract

The utility model discloses a massecuite separation condition detection device for a centrifugal machine, relates to the technical field of centrifugal machine safety detection, and solves the problem of poor detection effect of an existing detection mode. The device comprises a casing, a controller, a data acquisition unit and a torque sensor, the controller, the data acquisition unit and the torque sensor are arranged in the casing, the torque sensor is connected with a centrifuge spindle and a motor, an output end of the torque sensor is connected with an input end of the data acquisition unit, and an output end of the data acquisition unit is connected with the controller; the controller is electrically connected with a motor of the centrifugal machine, and the rotating speed of the motor of the centrifugal machine is regulated and controlled through a control module of the controller. The operation of the centrifugal machine in the massecuite filtering process can be monitored in real time, the failure rate is reasonably and effectively reduced, and the operation safety of the centrifugal machine is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifuge safety detection, in particular to a centrifuge massecuite separation condition detection device. Background Art

[0002] In the existing top-mounted sugar centrifuge, the initial crystals of syrup are too large during high-speed rotation, blocking the holes of the sieve basket, resulting in the inability of water in the syrup to be thrown out of the sieve holes at low speeds. When the speed increases to a certain critical point, the syrup in a certain area of ​​the sieve basket, under the action of centrifugal force, the water and crystals instantly rush out of the sieve holes, causing the weight of the sieve basket to suddenly become unevenly distributed, resulting in violent shaking of the sieve basket, and in severe cases, the entire sieve basket is damaged.

[0003] The current solution is to configure a limit switch inside the centrifuge. If the screen basket shakes beyond the limit position, the limit switch is triggered and the equipment enters emergency braking and stops. However, this monitoring mode is only triggered when the screen basket shakes, which makes it difficult to effectively prevent the occurrence of faults. Utility Model Content

[0004] In view of the existing technical problems, the purpose of the utility model is to provide a centrifuge massecuite separation condition detection device to solve the above problems. The device can monitor the operation of the centrifuge during the massecuite filtration process in real time, reasonably and effectively reduce the failure rate, and improve the safety of the centrifuge operation.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions:

[0006] A centrifuge sugar paste separation condition detection device, the detection device is configured on the centrifuge, and includes a casing, a controller arranged in the casing, a data collector and a torque sensor, the torque sensor is connected to the centrifuge main shaft, the output end of the torque sensor is connected to the input end of the data collector, and the output end of the data collector is connected to the controller; the controller is electrically connected to the centrifuge motor, and the speed of the centrifuge motor is regulated by the control module of the controller.

[0007] Preferably, the data detected by the torque sensor is input into the data collector, and a curve graph is formed by the data collector. When it is detected that the centrifuge main shaft torque curve shows an upward trend and reaches a preset value, the controller reduces the speed of the centrifuge motor.

[0008] Preferably, the detection device further comprises a control panel, which is electrically connected to the controller and is used for displaying a curve graph formed by the data collector.

[0009] Preferably, the detection device further comprises a control switch, which is respectively connected to the centrifuge motor and the controller, and is used to control the centrifuge motor to be turned on or off through regulation of the controller.

[0010] Preferably, the detection device includes an alarm, and the alarm is electrically connected to the controller.

[0011] In summary, the utility model has the following beneficial effects:

[0012] During the operation of the top-suspended sugar centrifuge, when the syrup crystals are too large to block the holes in the sieve basket, the water in the syrup cannot be released, and the spindle torque of the centrifuge motor gradually increases. After the torque sensor measures the increase in the spindle torque of the centrifuge motor, it provides the data to the controller through the data acquisition device. The controller adjusts the speed of the centrifuge motor, thereby automatically reducing the speed of the sieve basket to avoid damage to the sieve basket due to imbalance of weight of the sieve basket at high speed.

[0013] Compared with the existing devices that only rely on limit switches to detect problems, the detection device can issue an alarm in advance before the screen basket swings, which can effectively improve the safety of the product production process, predict the separation of syrup in the screen basket in advance, and sense the abnormal shaking of the centrifuge motor and timely adjust or stop the operation of the centrifuge, thereby improving the safety of the centrifuge, reducing the failure rate, and increasing the service life of the centrifuge. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the detection device of the utility model;

[0015] Figure 2 The figure is a flow chart of the detection device of the utility model.

[0016] Figure numerals: 1. housing; 2. controller; 3. data collector; 4. torque sensor; 5. control switch; 6. alarm; 7. centrifuge motor; 8. centrifuge body. DETAILED DESCRIPTION

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0018] 2. A typical embodiment of the present application provides a centrifuge sugar paste separation condition detection device, which is configured on the centrifuge body 8 and is used to detect the torque change during the start-up process of the main shaft of the centrifuge motor 7. The detection device includes a housing 1, a controller 2 arranged in the housing 1, a data collector 3 and a torque sensor 4. The torque sensor 4 is connected between the output shaft of the centrifuge motor 7 and the main shaft of the motor. The output end of the torque sensor 4 is connected to the input end of the data collector 3, and the output end of the data collector 3 is connected to the controller 2. The controller 2 is electrically connected to the centrifuge motor 7, and the speed of the centrifuge motor 7 is regulated by the control module of the controller 2.

[0019] The data detected by the torque sensor 4 is input into the data collector 3, and a curve graph is formed through the data collector 3. When it is detected that the torque curve of the centrifuge main shaft shows an upward trend and reaches a preset value, the controller 2 reduces the speed of the centrifuge motor 7. The preset value is a preset value set according to the actual production situation and the peak value of the torque curve, which is less than the peak value. The controller can reduce the centrifuge speed before the curve rises to the peak value, thereby reducing the speed of the centrifuge motor.

[0020] The detection device also includes a control panel, which is electrically connected to the controller 2 and is used to display the curve graph formed by the data collector 3. The control panel adopts a PLC touch screen control panel in the prior art. The detection device also includes a control switch 5, which is respectively connected to the centrifuge motor 7 and the controller 2, and is used to control the opening or closing of the centrifuge motor 7 through the regulation of the controller 2.

[0021] The detection device includes an alarm 6, which is electrically connected to the controller 2. When the centrifuge main shaft torque curve shows an upward trend and reaches a preset value, the alarm 6 sounds an alarm.

[0022] The controller 2 adopts a single chip microcomputer in the prior art, and the torque sensor 4 and the data collector 3 and the connection and control methods thereof are all in the prior art.

[0023] Working principle: During the operation of the top-suspended sugar centrifuge, the screen basket starts to rotate at a low speed. After the syrup is injected, the low-speed rotation can make the syrup evenly distributed. When enough syrup is injected into the screen basket, the screen basket starts to accelerate. During the acceleration process, the water in the syrup is thrown out of the screen basket under the action of centrifugal force, leaving the sugar. In this case, as the speed increases, the water in the syrup is lost, the weight of the screen basket will decrease accordingly, and the curve of the spindle torque of the centrifuge motor 7 will slowly decrease or remain unchanged in coupling with the acceleration curve. When the syrup grains are too large to block the holes of the screen basket, the water in the syrup cannot be released, and the spindle torque of the centrifuge motor 7 gradually increases. After the torque sensor 4 measures the increase in the spindle torque of the centrifuge motor 7, it provides data to the controller 2 through the data acquisition device 3. The controller 2 adjusts the speed of the centrifuge motor 7, thereby automatically reducing the speed of the screen basket to avoid damage to the screen basket due to imbalance of the weight of the screen basket at high speed.

[0024] Compared with the existing devices that only rely on limit switches to detect problems, the detection device can issue an alarm in advance before the screen basket swings, which can effectively improve the safety of the product production process, and can predict the separation of syrup in the screen basket in advance, realize the sensing of abnormal shaking of the centrifuge motor 7 and timely adjust or stop the operation of the centrifuge, thereby improving the safety of the centrifuge, reducing the failure rate, and increasing the service life of the centrifuge.

[0025] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A centrifuge massecuite separation condition detection device, characterized in that: The detection device is arranged on the centrifuge, and comprises a housing, a controller arranged in the housing, a data collector and a torque sensor. The torque sensor is connected to the centrifuge main shaft and the motor, the output end of the torque sensor is connected to the input end of the data collector, and the output end of the data collector is connected to the controller; the controller is electrically connected to the centrifuge motor, and the speed of the centrifuge motor is regulated by the control module of the controller.

2. The centrifuge massecuite separation condition detection device according to claim 1, characterized in that: The data detected by the torque sensor is input into the data collector, and a curve graph is formed by the data collector. When it is detected that the torque curve of the centrifuge main shaft shows an upward trend and reaches a preset value, the controller reduces the speed of the centrifuge motor.

3. The centrifuge massecuite separation condition detection device according to claim 1, characterized in that: The detection device also includes a control panel, which is electrically connected to the controller and is used to display the curve graph formed by the data collector.

4. The centrifuge massecuite separation condition detection device according to claim 1, characterized in that: The detection device also includes a control switch, which is connected to the centrifuge motor and the controller respectively, and is used to control the centrifuge motor to be turned on or off through the regulation of the controller.

5. The centrifuge massecuite separation condition detection device according to claim 1, characterized in that: The detection device comprises an alarm, and the alarm is electrically connected to the controller.

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