CN210304157U - Horizontal spiral centrifuge capable of automatically correcting differential rotation speed in advance on line - Google Patents
Horizontal spiral centrifuge capable of automatically correcting differential rotation speed in advance on line Download PDFInfo
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- CN210304157U CN210304157U CN201921105487.4U CN201921105487U CN210304157U CN 210304157 U CN210304157 U CN 210304157U CN 201921105487 U CN201921105487 U CN 201921105487U CN 210304157 U CN210304157 U CN 210304157U
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Abstract
The utility model provides a horizontal spiral centrifuge for online advanced automatic correction of differential rotation speed, which comprises a frame, a rotary drum, a spiral material conveyor, a feeding pipe and a differential driving device, wherein a solid phase concentration detector is arranged at the feeding end of the feeding pipe; the device comprises a solid phase concentration detector, a differential driving device and a controller, wherein the solid phase concentration detector and the differential driving device are in signal connection with the controller, and the controller receives a feeding solid phase concentration signal detected by the solid phase concentration detector and sends an instruction signal for controlling the differential driving device to adjust the differential rotating speed after processing. The solid-phase concentration detector is adopted to detect the solid-phase concentration of the material before the material enters the centrifuge on line, the information is fed back to the controller, the differential rotating speed of the centrifuge is adjusted in real time through the controller, the time effect difference is avoided, the smooth spiral pushing of the centrifuge is ensured, and the continuous and effective operation of the centrifuge is ensured.
Description
Technical Field
The utility model relates to a centrifuge technical field, concretely relates to horizontal spiral centrifuge of poor rotational speed of online leading automatic correction.
Background
At present, in the separation of a centrifugal machine, a rotation speed difference exists between a rotary drum and a spiral, the rotation speed difference is hereinafter referred to as differential rotation speed, the larger the differential rotation speed is, namely the larger the relative rotation speed between the rotary drum and the spiral is, the faster the spiral material is pushed under the same condition, and on the contrary, the slower the spiral material is pushed. Under the same condition, the faster the material is pushed, the less material is blocked, so that the speed of spiral pushing material is adjusted by using the adjustment difference rotating speed in the field debugging process. The adjustment of the differential rotational speed can be divided into: 1. manual adjustment; 2. installing a torque meter and adjusting through signals; 3. the program is adjusted according to the current condition. As shown in fig. 1, the manual adjustment mode comprises the following steps: the frequency control differential rotation speed of the motor is set in advance or manually set according to the condition of materials in the running process. As shown in fig. 2, the torque meter adjusts: and a torque meter is arranged on the differential, and the differential rotation speed is adjusted by setting the corresponding motor frequency according to a signal of the torque meter. Current regulation method: and controlling and regulating the differential rotation speed corresponding to the motor frequency within a corresponding current range in the program. The defects of manual adjustment are as follows: the adjustment of the differential rotation speed cannot be carried out under the condition of instantaneous increase and decrease of the solid content, the timeliness is poor, the material is blocked or is blocked when the adjustment is often carried out, and the remote control operation is not facilitated; the same disadvantages apply to the torque meter and to the regulation according to the current: the timeliness is poor, and the three conditions are a lagging passive adjusting mode under the condition of material blockage already during adjustment.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide an online advanced automatic correction differential rotation speed horizontal spiral centrifuge.
In order to achieve the above object, the technical solution of the present invention is:
a horizontal spiral centrifuge capable of automatically correcting differential rotation speed in advance on line comprises a rack, a rotary drum, a spiral material conveyor, a feeding pipe and a differential driving device, wherein the rotary drum is arranged on the rack, the spiral material conveyor is arranged on the inner side of the rotary drum, the feeding pipe extends into an inner cavity of the spiral material conveyor, the differential driving device drives the rotary drum and the spiral material conveyor to rotate in a differential mode, and a solid-phase concentration detector is mounted at the feeding end of the feeding pipe; the device comprises a solid phase concentration detector, a differential driving device and a controller, wherein the solid phase concentration detector and the differential driving device are in signal connection with the controller, and the controller receives a feeding solid phase concentration signal detected by the solid phase concentration detector and sends an instruction signal for controlling the differential driving device to adjust the differential rotating speed after processing.
The utility model discloses compare in prior art, adopt solid phase concentration detector on-line measuring material to get into the solid phase concentration before the centrifuge, feedback information to the controller, through the poor rotational speed of controller real-time adjustment centrifuge, avoid appearing the timeliness poor, ensure that the centrifuge spiral pushes away the material smooth and easy, guarantee centrifuge's effective operation in succession.
Further, differential drive arrangement includes first motor, second motor and differential mechanism, first motor drives through the differential mechanism transmission the screw feeder rotates, the second motor drives through the differential mechanism transmission the rotary drum rotates, first motor and second motor all with controller signal connection.
By adopting the preferable scheme, the rotating speed of the first motor or the second motor can be selectively adjusted or the rotating speeds of the first motor and the second motor can be simultaneously adjusted according to the specific numerical value of the solid-phase concentration of the material, so that the centrifugal effect and the separation yield are optimized.
Further, the controller is a PLC programmable controller.
And further, a torquemeter is mounted on the differential mechanism, and the differential mechanism further comprises an alarm unit, wherein the torquemeter is in signal connection with the alarm unit, and when the torque detected by the torquemeter exceeds a set value range, the alarm unit sends out an alarm signal.
Furthermore, the alarm unit is an audible and visual alarm unit.
Adopt above-mentioned preferred scheme, detect the real-time moment of torsion of spiral feeder through the torquemeter, send the warning when the moment of torsion is too big, prevent putty and centrifuge damage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art structure for controlling differential rotation speed by manually setting motor frequency;
FIG. 2 is a schematic diagram of a prior art differential speed correction monitored by a torque meter;
fig. 3 is a schematic structural diagram of an embodiment of the present invention.
Names of corresponding parts represented by numerals and letters in the drawings:
1-solid phase concentration detector; 2-a controller; 31-a first motor; 32-a second motor; 33-a differential; 91-Torque meter.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 3, a horizontal screw centrifuge for online advanced automatic correction of differential rotation speed comprises a frame, a rotary drum, a screw conveyor, a feed pipe and a differential drive device, wherein the rotary drum is arranged on the frame, the screw conveyor is arranged on the inner side of the rotary drum, the feed pipe extends into an inner cavity of the screw conveyor, the differential drive device drives the rotary drum and the screw conveyor to rotate in a differential manner, and a solid-phase concentration detector 1 is arranged at the feed end of the feed pipe; the device is characterized by further comprising a controller 2, wherein the solid-phase concentration detector 1 and the differential driving device are in signal connection with the controller 2, and the controller 2 receives a feeding solid-phase concentration signal detected by the solid-phase concentration detector 1 and sends out an instruction signal for controlling the differential driving device to adjust the differential rotating speed after processing.
The beneficial effect of adopting above-mentioned technical scheme is: the solid-phase concentration detector is adopted to detect the solid-phase concentration of the material before the material enters the centrifuge on line, the information is fed back to the controller, the differential rotating speed of the centrifuge is adjusted in real time through the controller, the time effect difference is avoided, the smooth spiral pushing of the centrifuge is ensured, and the continuous and effective operation of the centrifuge is ensured.
As shown in fig. 3, in other embodiments of the present invention, the differential driving device includes a first motor 31, a second motor 32 and a differential 33, the first motor 31 is driven by the differential 33, the spiral conveyor rotates, the second motor 32 is driven by the differential 33, the rotary drum rotates, and the first motor 31 and the second motor 32 are both connected to the controller 2 by signals. The beneficial effect of adopting above-mentioned technical scheme is: the rotating speed of the first motor or the rotating speed of the second motor can be selectively adjusted or the rotating speeds of the first motor and the second motor can be simultaneously adjusted according to the specific numerical value of the solid-phase concentration of the material, so that the centrifugal effect and the separation yield are optimized.
In other embodiments of the present invention, the controller is a PLC programmable controller.
In other embodiments of the present invention, a torquemeter is installed on the differential 22, and the differential further includes an alarm unit, wherein the torquemeter is connected to the alarm unit via a signal, and when the torque detected by the torquemeter exceeds the range of the set value, the alarm unit sends out an alarm signal. The alarm unit is an acousto-optic alarm unit. The beneficial effect of adopting above-mentioned technical scheme is: detect the real-time moment of torsion of screw feeder through the torquemeter, send the warning when the moment of torsion is too big, prevent putty and centrifuge damage.
The above embodiments are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (5)
1. A horizontal spiral centrifuge for automatically correcting differential rotation speed in advance on line comprises a frame, a rotary drum, a spiral feeder, a feeding pipe and a differential driving device, wherein the rotary drum is arranged on the frame, the spiral feeder is arranged on the inner side of the rotary drum, the feeding pipe extends into an inner cavity of the spiral feeder, and the differential driving device drives the rotary drum and the spiral feeder to rotate in a differential mode; the device comprises a solid phase concentration detector, a differential driving device and a controller, wherein the solid phase concentration detector and the differential driving device are in signal connection with the controller, and the controller receives a feeding solid phase concentration signal detected by the solid phase concentration detector and sends an instruction signal for controlling the differential driving device to adjust the differential rotating speed after processing.
2. The horizontal screw centrifuge of on-line advanced automatic differential speed correction according to claim 1, wherein the differential driving device comprises a first motor, a second motor and a differential, the first motor drives the screw conveyor to rotate via differential transmission, the second motor drives the rotary drum to rotate via differential transmission, and the first motor and the second motor are both in signal connection with the controller.
3. The horizontal screw centrifuge of claim 2, wherein the controller is a PLC programmable controller.
4. The horizontal screw centrifuge of online advance automatic differential speed correction according to claim 2, characterized in that a torquemeter is mounted on the differential, and further comprising an alarm unit, wherein the torquemeter is in signal connection with the alarm unit, and the alarm unit sends out an alarm signal when the torque detected by the torquemeter exceeds a set value range.
5. The horizontal screw centrifuge of online advanced automatic differential speed correction according to claim 4, wherein the alarm unit is an audible and visual alarm unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921105487.4U CN210304157U (en) | 2019-07-15 | 2019-07-15 | Horizontal spiral centrifuge capable of automatically correcting differential rotation speed in advance on line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921105487.4U CN210304157U (en) | 2019-07-15 | 2019-07-15 | Horizontal spiral centrifuge capable of automatically correcting differential rotation speed in advance on line |
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| CN210304157U true CN210304157U (en) | 2020-04-14 |
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| CN201921105487.4U Active CN210304157U (en) | 2019-07-15 | 2019-07-15 | Horizontal spiral centrifuge capable of automatically correcting differential rotation speed in advance on line |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115338044A (en) * | 2022-10-17 | 2022-11-15 | 苏州星亿机械有限公司 | Horizontal spiral discharge sedimentation centrifuge |
| CN115487579A (en) * | 2022-09-26 | 2022-12-20 | 重庆江北机械有限责任公司 | Self-adaptive timely control method and device for piston pusher centrifuge |
-
2019
- 2019-07-15 CN CN201921105487.4U patent/CN210304157U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115487579A (en) * | 2022-09-26 | 2022-12-20 | 重庆江北机械有限责任公司 | Self-adaptive timely control method and device for piston pusher centrifuge |
| CN115338044A (en) * | 2022-10-17 | 2022-11-15 | 苏州星亿机械有限公司 | Horizontal spiral discharge sedimentation centrifuge |
| CN115338044B (en) * | 2022-10-17 | 2023-01-13 | 苏州星亿机械有限公司 | Horizontal spiral discharge sedimentation centrifuge |
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