CN210136424U - System for monitoring thin oil lubrication in granulation workshop - Google Patents
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- CN210136424U CN210136424U CN201921381725.4U CN201921381725U CN210136424U CN 210136424 U CN210136424 U CN 210136424U CN 201921381725 U CN201921381725 U CN 201921381725U CN 210136424 U CN210136424 U CN 210136424U
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Abstract
The utility model relates to a thin oil lubrication monitoring system for a granulation workshop, which belongs to the technical field of thin oil lubrication monitoring systems for granulation workshops; the technical problem to be solved is as follows: the improvement of the hardware structure of the thin oil lubrication monitoring system for the granulation workshop is provided; the technical scheme for solving the technical problem is as follows: the system comprises a thin oil station control cabinet, a thin oil lubricating device and a monitoring server; a lubricating oil tank is arranged in the thin oil lubricating device, a first low-pressure oil pump, a second low-pressure oil pump and a high-pressure oil pump are arranged at the oil outlet end of the lubricating oil tank, working motors are arranged in the oil pumps, oil pressure sensors are arranged at the output ends of the oil pumps, and an oil level sensor, a temperature sensor and a heater are further arranged in the lubricating oil tank; the power input ends of the working motors in the first low-pressure oil pump, the second low-pressure oil pump and the high-pressure oil pump and the power input end of the heater are connected with the power module; the utility model discloses be applied to the thin oil lubricating system in pelletization workshop.
Description
Technical Field
The utility model relates to a granulation workshop is with lubricated monitored control system of thin oil belongs to granulation workshop and uses lubricated monitored control system technical field of thin oil.
Background
The large-scale dry process granulator that uses in the workshop of granulating at present includes extrusion device and pelletization device, and extrusion device is used for carrying out the extrusion to the powdery material before the pelletization, makes things convenient for follow-up pelletization device to carry out the comminution pelletization, and extrusion device itself drives a driven shaft through a driving shaft to sheathe the deflector roll in on the diaxon, extrudees the material through the deflector roll, therefore extrusion device itself has more lubrication point, needs regularly lubricate it.
Because the extrusion device has more bearings and gears, more lubricating points and strict requirements on the oil temperature and oil pressure data of lubricating oil, the temperature of the lubricating oil is controlled by manual operation at present, the lubricating oil is conveyed to corresponding parts through an oil pump depending on the operation experience of workers, and when an oil supply system fails, the failure cannot be timely eliminated, so that potential safety hazards exist in the device, the efficiency of the whole oil control process is low, and the labor cost is high; there is therefore a need for a certain degree of improvement to the existing lubricating systems for pelletizing plants with thin oil.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome not enough that exists among the prior art, the technical problem that will solve is: the improvement of the hardware structure of the thin oil lubrication monitoring system for the granulation workshop is provided.
In order to solve the technical problem, the utility model discloses a technical scheme be: a system for monitoring lubrication of a granulation plant with a thin oil, comprising: the system comprises a thin oil station control cabinet, a thin oil lubricating device and a monitoring server;
a lubricating oil tank is arranged in the thin oil lubricating device, a first low-pressure oil pump, a second low-pressure oil pump and a high-pressure oil pump are arranged at the oil outlet end of the lubricating oil tank, working motors are arranged in the oil pumps, oil pressure sensors are arranged at the output ends of the oil pumps, and an oil level sensor, a temperature sensor and a heater are further arranged in the lubricating oil tank;
the power input ends of the working motors in the first low-pressure oil pump, the second low-pressure oil pump and the high-pressure oil pump and the power input end of the heater are connected with the power module;
the motor control ends of the first low-pressure oil pump, the second low-pressure oil pump and the high-pressure oil pump are connected into an oil station junction box, and the oil station junction box is also connected with an oil pressure sensor, an oil level sensor, a temperature sensor and a heater through wires respectively;
the oil station junction box is connected with a control cabinet terminal block arranged in a thin oil station control cabinet through a field communication bus, the front side of the thin oil station control cabinet is provided with a monitoring display screen and a control key panel, the control key panel is also provided with an alarm buzzer and a working state indicator lamp,
the monitoring display screen, the control key panel, the alarm buzzer and the working state indicator lamp are all connected with a controller arranged in the thin oil station control cabinet through wires;
the thin oil station control cabinet is further connected with a monitoring server through a field communication bus cable, and the monitoring server is arranged in a DCS central control room.
The control motors of the first low-pressure oil pump, the second low-pressure oil pump and the high-pressure oil pump are respectively motors M1, M2 and M3, and the input end of each motor is connected with the power supply output end of the power supply module after being sequentially connected with a thermal relay normally-closed point FR, a contactor normally-open contact KM and an air switch QF in series;
the input end of the heater is connected with the power supply output end of the power supply module after being sequentially connected with the normally open contact KM and the air switch QF in series;
and the power output end of the power supply module is also provided with a main switch QF 0.
The terminal row of the control cabinet arranged in the control cabinet of the thin oil station comprises a junction box X1 and a junction box X2;
the port arranged on the junction box X1 comprises: motors M1, M2, M3 control ports, heater control ports;
the signal acquisition port that sets up on terminal box X2 includes: the oil level sensor comprises an oil level sensor signal feedback port, an oil pressure sensor signal feedback port and a temperature sensor signal feedback port;
still be provided with signal control port on the terminal box X2 and include: the device comprises an oil pump operation port, a heater operation port, an audible and visual alarm module operation port and a controller operation port.
The thin oil station control cabinet is specifically a PLC control cabinet, and the model is XGD-AP;
the first low-pressure oil pump, the second low-pressure oil pump and the high-pressure oil pump are DCR-50 in model number;
the type of the oil pressure sensor is PTC 302;
the model of the oil level sensor is XM 6061;
the model of the temperature sensor is PT 100.
The utility model discloses beneficial effect for prior art possesses does: the utility model provides a supporting control with thin oil lubrication equipment of switch board, the realization is to two oil pump motors, a high-pressure oil pump motor, heater and instrument's control, two low-pressure oil pump motors that the system inside used are one equipped with one, high-pressure oil pump motor works for a short time, can provide high-pressure lubricating oil for the host computer, in control process, utilize signal feedback and control circuit in the switch board, realize automatic control by corresponding contactor and contact, improve accuse oil efficiency, and possess malfunction alerting and repair function, effectively protect the granulator.
Drawings
The present invention will be further explained with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of the thin oil lubrication device of the present invention;
FIG. 2 is a schematic structural diagram of the control cabinet of the thin oil station of the present invention;
FIG. 3 is a circuit diagram of a power supply loop of the control cabinet of the thin oil station of the present invention;
fig. 4 is a schematic structural view of the terminal strip of the control cabinet of the present invention;
FIG. 5 is a circuit diagram of the control end of the control cabinet of the thin oil station of the present invention;
FIG. 6 is a circuit diagram of the signal feedback terminal of the control cabinet of the thin oil station of the present invention;
in the figure: the system comprises a thin oil station control cabinet 1, a lubricating oil tank 4, a first low-pressure oil pump 5, a second low-pressure oil pump 6, a high-pressure oil pump 7, an oil pressure sensor 8, an oil level sensor 9, a temperature sensor 10, a heater 11, a power module 12, an oil station junction box 13, a control cabinet terminal row 14, a monitoring display screen 15 and a control key panel 16.
Detailed Description
As shown in fig. 1 to 6, the utility model relates to a granulation workshop is with thin oil lubrication monitored control system, include: the system comprises a thin oil station control cabinet 1, a thin oil lubricating device and a monitoring server;
a lubricating oil tank 4 is arranged in the thin oil lubricating device, a first low-pressure oil pump 5, a second low-pressure oil pump 6 and a high-pressure oil pump 7 are arranged at the oil outlet end of the lubricating oil tank 4, working motors are arranged in the oil pumps, oil pressure sensors 8 are arranged at the output ends of the oil pumps, and an oil level sensor 9, a temperature sensor 10 and a heater 11 are further arranged in the lubricating oil tank 4;
the power input ends of the working motors in the first low-pressure oil pump 5, the second low-pressure oil pump 6 and the high-pressure oil pump 7 and the power input end of the heater 11 are connected with the power module 12;
the motor control ends of the first low-pressure oil pump 5, the second low-pressure oil pump 6 and the high-pressure oil pump 7 are connected to an oil station junction box 13, and the oil station junction box 13 is further connected with an oil pressure sensor 8, an oil level sensor 9, a temperature sensor 10 and a heater 11 through leads respectively;
the oil station junction box 13 is connected with a control cabinet terminal row 14 arranged in the thin oil station control cabinet 1 through a field communication bus, the front of the thin oil station control cabinet 1 is provided with a monitoring display screen 15 and a control key panel 16, the control key panel 16 is also provided with an alarm buzzer and a working state indicator lamp,
the monitoring display screen 15, the control key panel 16, the alarm buzzer and the working state indicator lamp are all connected with a controller arranged in the thin oil station control cabinet 1 through wires;
the thin oil station control cabinet 1 is further connected with a monitoring server through a field communication bus cable, and the monitoring server is arranged in a DCS central control room.
The control motors of the first low-pressure oil pump 5, the second low-pressure oil pump 6 and the high-pressure oil pump 7 are respectively motors M1, M2 and M3, and the input end of each motor is connected with the power supply output end of the power supply module 12 after being sequentially connected with a thermal relay normally-closed point FR, a contactor normally-open contact KM and an air switch QF in series;
the input end of the heater 11 is connected with the power supply output end of the power supply module 12 after being sequentially connected with the normally open contact KM and the air switch QF in series;
the power output end of the power module 12 is further provided with a main switch QF 0.
The control cabinet terminal block 14 arranged in the control cabinet 1 of the thin oil station comprises a junction box X1 and a junction box X2;
the port arranged on the junction box X1 comprises: motors M1, M2, M3 control ports, heater 11 control ports;
the signal acquisition port that sets up on terminal box X2 includes: a signal feedback port of an oil level sensor 9, a signal feedback port of an oil pressure sensor 8 and a signal feedback port of a temperature sensor 10;
still be provided with signal control port on the terminal box X2 and include: the device comprises an oil pump operation port, a heater operation port, an audible and visual alarm module operation port and a controller operation port.
The thin oil station control cabinet 1 is specifically a PLC control cabinet, and the model is XGD-AP;
the first low-pressure oil pump 5, the second low-pressure oil pump 6 and the high-pressure oil pump 7 are DCR-50 in model number;
the type of the oil pressure sensor 8 is PTC 302;
the model of the oil level sensor 9 is XM 6061;
the temperature sensor 10 is of the type PT 100.
The utility model provides a1 operational environment that requires of thin oil station control cabinet does: the power supply voltage is 380V/220V, and the fluctuation is +/-10%; the frequency is 50HZ, the fluctuation is +/-1%, the environmental temperature is 0-40 ℃, and the relative humidity is less than 90% (at 25 ℃);
the dilute oil station control cabinet 1 is led into a power inlet wire to be respectively connected to U, V, W, N terminals, the connection is firm, the connection of a motor and a heater is required to be connected to each group of three-phase power grid control loops U1-4, V1-4 and Wl-4, the number of the terminal row on the oil station junction box 13 in the peripheral circuit corresponds to the number connection of the control cabinet terminal row 14 one by one, and the connection is firm, so that the line connection is completed.
The signal feedback end requires the thin oil station control cabinet 1 to be connected with a monitoring server in the central control room, the connecting line from the thin oil station control cabinet 1 to the central control room and the connecting line from the central control room to the thin oil station control cabinet 1 are required to be passive contacts, and the connecting lines are correspondingly connected according to required functions, so that various signal control and feedback functions can be realized.
The utility model discloses before the use of putting into operation, need inspect and proofread the setting of motor control return circuit thermal overload relay FR, at first close miniature circuit breaker QF0 in the cabinet, inching oil pump start button respectively, whether inspection motor M1-M3 revolve to unanimous with the mark, if opposite direction, then exchange double-phase motor power wantonly, treat the direction correct back, can open by the free control oil pump motor and stop.
The utility model discloses when using, thin oil station switch board 1 is provided with on-the-spot manual, two kinds of remote automatic control mode, and wherein on-the-spot manual mode is the operation position when debugging, and remote automatic mode is the operation position when equipment moves.
The manual mode operation sequence is as follows: when the control cabinet of the thin oil station detects that the oil temperature of an oil tank fed back by the temperature sensor 10 is low, a heating starting signal is fed back to the heater 11, the heater is controlled to stop working when the temperature reaches a certain value (generally 40 ℃), then the two low-pressure oil pumps are started, and the high-pressure oil pump 7 can be started when the low-pressure oil pressure detected by the oil pressure sensor 8 reaches a certain value (generally 0.2 MPa); the buttons on the key cabinet panel 16 can only be controlled to start and stop the oil pumps and heaters through the thin oil station in a field manual state.
As shown in fig. 5 and 6, the SA1 switch is placed in a field manual position, at which time the button SB1 starts/stops the No. 1 low-pressure oil pump, the button HL1 indicates its operation, the button SB2 starts/stops the No. 2 low-pressure oil pump, the button HL2 indicates its operation, the button SB3 starts/stops the high-pressure oil pump, the button HL3 indicates its operation, the button SB4 starts/stops the heater, and the button HL4 indicates its operation; the operation steps are that when starting, the low-pressure oil pump is started first, and then the high-pressure oil pump is started; when the high-pressure oil pump is disconnected, and then the low-pressure oil pump is disconnected.
The remote automatic mode is used, specifically, a monitoring server is connected with a thin oil lubricating device in a control mode, feedback control of a central control signal on the thin oil lubricating device is achieved, an SA1 switch is arranged at a remote automatic position, and an SA2 switch is arranged at an on 1-to-2 or an on 2-to-1 position; when an oil pump breaker QF0 is closed, an electric control sends out an automatic selection permission signal, the high-pressure oil pump is automatically started when a signal (01-021) for starting the oil station by a central control is closed, the low-pressure oil pump is started firstly, when the low-pressure meets the requirement, the high-pressure oil pump is automatically started, after the high-pressure outlet pressure is normal, no pre-alarm is given, an alarm signal is stopped when the low-pressure outlet pressure meets the requirement (not lower than a lower limit set value), the electric control cabinet sends out a signal for allowing a host to start, the central control receives the signal, when a host operation signal is sent out (01-023) to the electric control cabinet of the thin oil station, the high-pressure oil pump automatically stops working.
When the central control needs to stop the host, a host pre-stop signal (long signal) is sent to an electric control cabinet (01-025 closed) of the thin oil station, and the high-pressure pump immediately starts to operate; after the main engine is stopped for 10 minutes, the high-pressure pump automatically stops working, and the low-pressure oil pump still continues to operate.
In the aspect of threshold setting, if the oil temperature of the oil tank is lower than the lower limit value of 38 ℃, the heater automatically works, and when the oil temperature of the oil tank is higher than the upper limit value of 42 ℃, the heater automatically closes; when the low-pressure oil supply pressure is lower than the lower limit set value of 0.12MPa, the standby oil pump automatically works, and when the low-pressure oil pressure reaches the set value of 0.3MPa, the standby oil pump automatically stops.
The utility model is additionally provided with a sound alarm device and state indicator lamps corresponding to different states, when any one factor causes the warning, the electric bell rings intermittently, and the warning relay KA5 acts (171-; when the oil pressure and the oil level are low, the heavy fault relay KA6 acts (175-.
In the operation process, when the low-pressure oil supply pressure is lower than the lower limit set value by 0.12MPa, the standby oil pump automatically works, at the moment, workers need to pay attention to the lubrication equipment on the site, if the low-pressure is continuously lower than the lower limit set value by 0.12MPa for 10 seconds, the fault indicator lamps HL11 and HL10 are on, the electric bell gives an alarm, and meanwhile, a main engine stop signal is sent; when the high-pressure oil pressure is lower than the lower limit set value after the high-pressure pump is started, the KP2-L contact is controlled to be closed, the electric bell gives an alarm, and an HL12 indicator lamp flashes; when the oil level of the oil tank is high and the oil level is low: the contact KS is an oil tank level control contact, when the oil tank level is higher than the upper limit, KS-H is closed, and an HL13 indicator lamp is lightened; when the oil level of the oil tank is lower than the lower limit, KS-L is closed, an HL13 indicator lamp is turned on, an electric bell gives an alarm, and meanwhile, a main engine stop signal is sent out; the contact KT2-H is an oil supply temperature control contact, and when the oil supply temperature is higher than an upper limit set value, the electric bell HA gives an alarm and HL15 indicates; when the oil pump is overloaded and FR1, FR2 or FR3 is triggered, the HL14 indicator lamp is lightened, and an electric bell alarms. If the control stops alarming, the control key panel button SB10 needs to be pressed, and the alarm electric bell stops ringing.
The control cabinet of the thin oil station is additionally provided with a control power supply monitoring relay KAO, when the control loop is electrified, a KAO contact 143 and 144 are disconnected, if the oil station is prepared to be normal, the remote starting (oil station ready) relay KA2 is allowed to act (a contact 151 and 152 are closed), and at the moment, the oil station driving switch (or the relay) in the central control room can control the starting or stopping of the oil station; after the oil station is started, the contact (151) and 154) are closed when the low-pressure pump No. 1 is operated, the contact (151) and 156) are closed when the low-pressure pump No. 2 is operated, the contact (151) and 158) are closed when the high-pressure pump is operated, and the contact (151) and 160) are closed when the heater is operated.
When the system pressure is stable and the oil supply temperature is higher than the lower limit set value of 25 ℃, the host start relay KA4 is allowed to act (161-; when the oil station has a light fault during the operation of the host, the pre-alarm relay KA5 is actuated (171- & 172 closed: 171- & 174 open): if the oil station has a heavy fault, the parking alarm relay KA6 acts (175-.
About the utility model discloses what the concrete structure need explain, the utility model discloses a each part module connection relation each other is definite, realizable, except that the special explanation in the embodiment, its specific connection relation can bring corresponding technological effect to based on do not rely on under the prerequisite of corresponding software program execution, solve the utility model provides a technical problem, the utility model provides a model, the connection mode of parts, module, specific components and parts that appear all belong to the prior art such as the published patent that technical staff can acquire before the application day, published journal paper, or common general knowledge, need not to describe in detail for the technical scheme that the present case provided is clear, complete, realizable, and can be according to this technical means or obtain corresponding entity product.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (4)
1. The utility model provides a granulation workshop is with thin oil lubrication monitored control system which characterized in that: the method comprises the following steps: the system comprises a thin oil station control cabinet (1), a thin oil lubricating device and a monitoring server;
a lubricating oil tank (4) is arranged in the thin oil lubricating device, a first low-pressure oil pump (5), a second low-pressure oil pump (6) and a high-pressure oil pump (7) are arranged at the oil outlet end of the lubricating oil tank (4), working motors are arranged in the oil pumps, oil pressure sensors (8) are arranged at the output ends of the oil pumps, and an oil level sensor (9), a temperature sensor (10) and a heater (11) are further arranged in the lubricating oil tank (4);
the power input ends of the internal working motors of the first low-pressure oil pump (5), the second low-pressure oil pump (6) and the high-pressure oil pump (7) and the power input end of the heater (11) are connected with the power module (12);
motor control ends of the first low-pressure oil pump (5), the second low-pressure oil pump (6) and the high-pressure oil pump (7) are connected into an oil station junction box (13), and the oil station junction box (13) is further connected with an oil pressure sensor (8), an oil level sensor (9), a temperature sensor (10) and a heater (11) through leads respectively;
the oil station junction box (13) is connected with a control cabinet terminal row (14) arranged in a thin oil station control cabinet (1) through a field communication bus, the front of the thin oil station control cabinet (1) is provided with a monitoring display screen (15) and a control key panel (16), the control key panel (16) is also provided with an alarm buzzer and a working state indicator lamp,
the monitoring display screen (15), the control key panel (16), the alarm buzzer and the working state indicator lamp are all connected with a controller arranged in the thin oil station control cabinet (1) through wires;
the thin oil station control cabinet (1) is further connected with a monitoring server through a field communication bus cable, and the monitoring server is arranged in a DCS central control room.
2. The system for monitoring the lubrication of the thin oil used in the granulation workshop, according to claim 1, wherein: the control motors of the first low-pressure oil pump (5), the second low-pressure oil pump (6) and the high-pressure oil pump (7) are respectively motors M1, M2 and M3, and the input end of each motor is connected with the power supply output end of the power supply module (12) after being sequentially connected with a thermal relay normally-closed point FR, a contactor normally-open contact KM and an air switch QF in series;
the input end of the heater (11) is connected with the power supply output end of the power supply module (12) after being sequentially connected with the normally open contact KM of the contactor and the air switch QF in series;
the power output end of the power supply module (12) is also provided with a main switch QF 0.
3. The system for monitoring the lubrication of the thin oil used in the granulation workshop as recited in claim 2, wherein: the control cabinet terminal row (14) arranged in the control cabinet (1) of the thin oil station comprises a junction box X1 and a junction box X2;
the port arranged on the junction box X1 comprises: motors M1, M2, M3 control ports, and a heater (11) control port;
the signal acquisition port that sets up on terminal box X2 includes: a signal feedback port of the oil level sensor (9), a signal feedback port of the oil pressure sensor (8) and a signal feedback port of the temperature sensor (10);
still be provided with signal control port on the terminal box X2 and include: the device comprises an oil pump operation port, a heater operation port, an audible and visual alarm module operation port and a controller operation port.
4. The system for monitoring the lubrication of the thin oil used in the granulation workshop, according to claim 3, wherein: the thin oil station control cabinet (1) is specifically a PLC control cabinet, and the type is XGD-AP;
the first low-pressure oil pump (5), the second low-pressure oil pump (6) and the high-pressure oil pump (7) are DCR-50 in model number;
the type of the oil pressure sensor (8) is PTC 302;
the model of the oil level sensor (9) is XM 6061;
the model of the temperature sensor (10) is PT 100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921381725.4U CN210136424U (en) | 2019-08-23 | 2019-08-23 | System for monitoring thin oil lubrication in granulation workshop |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921381725.4U CN210136424U (en) | 2019-08-23 | 2019-08-23 | System for monitoring thin oil lubrication in granulation workshop |
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| CN210136424U true CN210136424U (en) | 2020-03-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113290928A (en) * | 2021-05-24 | 2021-08-24 | 荣成华东锻压机床股份有限公司 | Accurate temperature control device and method for crankshaft bearing bush of mechanical press |
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2019
- 2019-08-23 CN CN201921381725.4U patent/CN210136424U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113290928A (en) * | 2021-05-24 | 2021-08-24 | 荣成华东锻压机床股份有限公司 | Accurate temperature control device and method for crankshaft bearing bush of mechanical press |
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