CN108314002B - Control device and control method for impregnation tank - Google Patents
Control device and control method for impregnation tank Download PDFInfo
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- CN108314002B CN108314002B CN201810231925.5A CN201810231925A CN108314002B CN 108314002 B CN108314002 B CN 108314002B CN 201810231925 A CN201810231925 A CN 201810231925A CN 108314002 B CN108314002 B CN 108314002B
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Abstract
The invention relates to the field of control of impregnation tanks, in particular to a control device and a control method of an impregnation tank, which are suitable for controlling loading and unloading of materials when an electrode is impregnated by the impregnation tank. The device mainly includes: the electrode car control system, the tank gate car control system, the rotating ring control system of the impregnation tank, the emergency brake switch and the PLC controller are respectively connected with the electrode car control system, the tank gate car control system, the rotating ring control system of the impregnation tank, the limit switch, the execution element and the emergency brake switch, and are used for receiving signals input by the switches and sending control instructions to the execution elements. The invention has the advantages that: the automation degree of electrode loading and unloading of the electrode car is improved, the labor intensity of operators is reduced, the working efficiency is improved, and the operation and the system are safer and more reliable.
Description
Technical Field
The invention relates to the field of control of impregnation tanks, in particular to a control device and a control method of an impregnation tank, which are suitable for controlling loading and unloading of materials when an electrode is impregnated by the impregnation tank.
Background
After the cathode carbon blocks for aluminum are roasted, gaps can be formed in the cathode carbon blocks, so that the quality of the cathode carbon blocks is reduced, the current efficiency of the electrolytic cell is reduced, and the power consumption is increased. The electrode made of conductive material used in the steel-making electric furnace also needs the roasting process, and the problems of air holes formed in the electrode and the like also exist.
The impregnation tank is the main equipment for immersing liquid asphalt into the gaps of the cathode or electrode for aluminum under certain temperature and pressure, and the purpose of impregnation is to increase the volume density and reduce the porosity of the product, thereby increasing the mechanical strength of the product and improving the electrical conductivity and the heat conductivity. Along with the increase of cathode carbon blocks for aluminum and electrodes for metallurgy, the capacity of the impregnation tank is greatly improved.
The control device of the dipping tank is one of factors influencing the working efficiency of the dipping tank, manual operation is mostly adopted in the prior art, and particularly, great errors can occur when the door of the dipping tank is opened and closed through the manual operation. Therefore, research on a control device of the dipping tank is imperative, and the automation of the process flow reduces the labor intensity of operators, which is a problem to be solved at present.
Disclosure of Invention
In order to solve the above problems, the present invention provides a control device and a control method for an immersion tank, which aims to realize automatic control of electrode loading and unloading, reduce labor intensity of operators, improve working efficiency and make operation and system safer and more reliable.
In order to solve the technical problems, the technical scheme of the invention is as follows:
an impregnation tank control device, the device mainly comprises: the electrode car control system, the tank gate car control system, the rotating ring control system of the impregnation tank, the emergency brake switch and the PLC controller are respectively connected with the electrode car control system, the tank gate car control system, the rotating ring control system of the impregnation tank, the limit switch, the execution element and the emergency brake switch, and are used for receiving signals input by the switches and sending control instructions to the execution elements.
Impregnating vessel controlling means, among the electrode car control system, the electrode car sets up on 1 track, sets up on the electrode car: the electrode trolley comprises a No. 1 limit switch, a No. 1 electric cylinder, a No. 1 motor, an electrode basket, a sliding block, a riding wheel, a rack, a No. 2 limit switch, a No. 3 limit switch and a No. 4 limit switch, wherein the No. 1 motor is connected with a traveling wheel at the bottom of the electrode trolley and drives the electrode trolley to move on a No. 1 track through the No. 1 motor; the No. 1 electric cylinder is hinged to the electrode trolley, a piston rod of the No. 1 electric cylinder is hinged to one end of a rack, an electrode basket is arranged on the rack, a sliding block is arranged at the bottom of the rack, and the rack is in sliding fit with a riding wheel at the top of the electrode trolley through the sliding block so as to enable the rack to move in a reciprocating mode under the driving of the No. 1 electric cylinder; one end of the electrode trolley is provided with a No. 1 limit switch for detecting the in-place signal of the electrode trolley during running, and the other end of the electrode trolley is provided with a No. 4 limit switch for detecting the in-place signal of the electrode trolley during running into the impregnation tank; the electrode car outside the frame is provided with: the device comprises a No. 2 limit switch for detecting a frame descending in-place signal and a No. 3 limit switch for detecting a frame ascending in-place signal.
In the impregnation tank control device, an in-tank bracket for placing the electrode basket and a No. 3 track are arranged in the impregnation tank, a No. 2 track is arranged between the No. 1 track and the No. 3 track, and the No. 1 track, the No. 2 track and the No. 3 track are butted, so that the electrode vehicle can conveniently reciprocate on the tracks; when the electrode vehicle moves into the impregnation tank along the track, the electrode basket on the rack corresponds to the support in the tank up and down, and the electrode basket is driven by the rack to move onto the support in the tank.
Impregnating vessel controlling means, among the tank door car control system, set up tank door, No. 2 electronic jars, No. 2 motors, No. 5 limit switch, No. 6 limit switch, No. 9 limit switch and No. 10 limit switch on the tank door car, No. 2 electronic jars articulate in the tank door car, the piston rod of No. 2 electronic jars is articulated with the one end of tank door, both ends set up respectively around on the tank door car: the system comprises a No. 10 limit switch for detecting the running in-place signal of the tank door car and a No. 9 limit switch for detecting the backward running in-place signal of the tank door car; set up on the jar door car in No. 2 electronic jar outsides: the device comprises a No. 5 limit switch for detecting a left moving in-place signal of the tank door and a No. 6 limit switch for detecting a right moving in-place signal of the tank door.
Impregnating vessel controlling means, among the rotatory ring control system of impregnating vessel, rotatory ring position in the tank gate with the corresponding outside of department of impregnating vessel, the piston rod of upper portion hydro-cylinder and the piston rod of lower part hydro-cylinder correspond with the side of rotatory ring respectively and are connected, the side of rotatory ring corresponds the department with the piston rod of upper portion hydro-cylinder and sets up: a No. 7 limit switch for detecting tank door and flooding jar locking signal to and be used for detecting tank door and flooding jar unblock No. 8 limit switch of signal.
The control device of the impregnation tank is characterized in that the emergency brake switch is arranged in the vicinity of the operating condition of the equipment which is convenient to observe.
The emergency brake switches of the impregnation tank control device are 1 to 2.
The immersion tank control device and the PLC are provided with a manual control and automatic control change-over switch, and a manual control system is used for overhauling and maintaining equipment.
The control method of the dipping tank control device comprises the steps that electrodes are loaded, an electrode basket loaded with the electrodes is carried by an electrode vehicle to move towards the right dipping tank, a rack descends after the electrode basket is in place, the electrode basket falls on a support in the tank, the electrode vehicle returns, a tank door vehicle moves forwards to the position where a tank door is coincident with the central line of the dipping tank, a No. 2 electric cylinder pushes rightwards, and a rotating ring rotates to lock the tank door and the dipping tank; after the dipping work is finished, the electrode is unloaded, the rotating ring rotates reversely to unlock the tank door and the dipping tank, the No. 2 electric cylinder retracts leftwards, and the tank door vehicle moves backwards and returns to the original position.
The control method of the impregnation tank control device comprises the following specific processes:
the electrode vehicle is arranged at the left side at the original position, and a piston rod of the No. 1 electric cylinder is in a retraction state, namely the rack is lifted; the tank door is arranged behind the impregnation tank, and the No. 1 track, the No. 2 track and the No. 3 track are in a butt joint state;
dress electrode, manual sending an order, 1 motor operation, electrode car are bearing the electrode basket of electrode and are moving in the flooding jar on right side, and when 2 # limit switch detected electrode car and moved the signal that targets in place in the flooding jar, sent the signal that targets in place for the PLC controller, and the PLC controller sends two orders: the No. 1 motor stops running, a piston rod of the No. 1 electric cylinder extends out, the sliding block rolls downwards along the supporting wheel, namely the rack descends, and the electrode basket falls on the support in the tank;
no. 2 limit switch detects the frame and descends the signal that targets in place, sends the signal that targets in place for the PLC controller, and the PLC controller sends the instruction: the No. 1 motor runs in the reverse direction, and the electrode vehicle runs to the left side;
no. 1 limit switch detects the electrode car and moves the signal that targets in place, sends the signal that targets in place for the PLC controller, and the PLC controller sends two instructions: the No. 1 motor stops running, and the No. 2 motor runs, namely the tank door vehicle drives the tank door on the tank door vehicle to run forwards;
no. 10 limit switch detects the jar door car and moves the signal that targets in place, and the central line of jar door and the central line of flooding jar coincide mutually promptly, sends the signal that targets in place for the PLC controller, and the PLC controller sends two instructions: stopping the No. 2 motor, extending a piston rod of the No. 2 electric cylinder, and moving the tank door to the right to align with the dipping tank;
no. 6 limit switch detects the jar door and moves the signal that targets in place rightwards, sends the signal that targets in place for the PLC controller, and the PLC controller sends the instruction: the piston rod of the upper oil cylinder extends out, and the piston rod of the lower oil cylinder retracts, so that the rotating ring rotates clockwise to lock the tank door and the impregnation tank;
no. 7 limit switch detects tank door and flooding jar locking signal, sends the signal that targets in place for the PLC controller, and the PLC controller sends the instruction: starting the dipping work;
after the dipping work is finished, the electrode is unloaded, an instruction is sent manually, the piston rod of the upper oil cylinder retracts, and the piston rod of the lower oil cylinder extends out, so that the rotating ring rotates anticlockwise to unlock the tank door and the dipping tank;
no. 8 limit switch detects tank door and flooding jar unblock signal, sends the signal that targets in place for the PLC controller, and the PLC controller send instruction: the piston rod of the No. 2 electric cylinder retracts to move the tank door to the left;
no. 5 limit switch detects the jar door and moves the signal that targets in place left, sends the signal that targets in place for the PLC controller, and the PLC controller sends the instruction: the No. 2 motor runs reversely, namely the tank door vehicle runs backwards;
no. 9 limit switch detects the jar door car and moves the signal that targets in place backward, sends the signal that targets in place for the PLC controller, and the PLC controller sends two instructions: the No. 2 motor stops running, and the No. 1 motor runs;
when No. 4 limit switch detected the electrode car and moved the signal that targets in place in the dip tank, sent the signal that targets in place for the PLC controller, PLC controller send command: the piston rod of the No. 1 electric cylinder retracts, the slide block rolls upwards along the supporting wheel, namely the rack rises, the electrode basket is supported on the rack, and the electrode basket is moved out of the impregnation tank;
no. 3 limit switch detects the frame and rises the signal that targets in place, sends the signal that targets in place for the PLC controller, and the PLC controller sends the instruction: the No. 1 motor runs in the reverse direction, and the electrode vehicle runs to the left side;
no. 1 limit switch detects the electrode car and moves the signal that targets in place, sends the signal that targets in place for the PLC controller, and the PLC controller sends the instruction: the motor 1 stops operating and returns to the original position.
The invention has the advantages and beneficial effects that:
the electrode car, the tank door car and the dipping tank are provided with limit switches, and the PLC is respectively connected with the limit switches and the execution elements on the electrode car control system, the tank door car control system and the dipping tank control system, and is used for receiving signals input by the switches and sending control instructions to the execution elements. Therefore, the automation degree of electrode loading and unloading of the electrode car is improved, the labor intensity of operators is reduced, the working efficiency is improved, and the operation and the system are safer and more reliable.
Drawings
FIG. 1 is a schematic view of the structure of a control device of the impregnation tank of the present invention.
Fig. 2 is a sectional view a-a of fig. 1.
Fig. 3 is a top view of fig. 1.
FIG. 4 is a schematic diagram of the control system of the electrode cart of the impregnation tank of the present invention.
In the figure, 1 limit switches; 2. electrode vehicle; 3. no. 1 electric cylinder; 4. a motor number 1; 5. an electrode basket; 6. a slider; 7. a riding wheel; 8. a frame; 9. no. 2 limit switch; 10. a No. 3 limit switch; 11. track number 1; 12. a No. 4 limit switch; 13. a tank door vehicle; 14. track number 2; 15. a tank door; 16. no. 2 electric cylinder; 17. a No. 2 motor; 18. a No. 5 limit switch; 19. no. 6 limit switch; 20. an impregnation tank; 21. a No. 7 limit switch; 22. a No. 8 limit switch; 23. an upper cylinder; 24. an in-tank holder; 25. a lower cylinder; 26. track No. 3; 27. a No. 9 limit switch; 28. a No. 10 limit switch; 29. a rotating ring; 30. an emergency brake switch.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in connection with the accompanying drawings, but the scope of the present invention is not limited by the embodiments.
As shown in fig. 1 to 4, the control device for the impregnation tank of the present invention mainly comprises: the electrode car control system, the tank gate car control system, the rotating ring control system of the dipping tank, the emergency brake switch 30, the PLC controller and the like, wherein the PLC controller is respectively connected with the electrode car control system, the tank gate car control system, the rotating ring control system of the dipping tank, the limit switch, the execution element and the emergency brake switch 30 and is used for receiving signals input by the switches and sending control commands to the execution elements.
Wherein, electrode car control system includes: no. 1 limit switch 1, No. 2 limit switch 9, No. 3 limit switch 10, No. 4 limit switch 12, No. 1 electric cylinder 3 and No. 1 motor 4. The tank door vehicle control system includes: a No. 5 limit switch 18, a No. 6 limit switch 19, a No. 9 limit switch 27, a No. 10 limit switch 28, a No. 2 electric cylinder 16 and a No. 2 electric motor 17. The rotary ring control system of the impregnation tank comprises: a No. 7 limit switch 21, a No. 8 limit switch 22, an upper oil cylinder 23 and a lower oil cylinder 25.
Among the electrode car control system, electrode car 2 sets up on track 11 No. 1, sets up on electrode car 2: no. 1 limit switch 1, No. 1 electronic jar 3, No. 1 motor 4, electrode basket 5, slider 6, riding wheel 7, frame 8, No. 2 limit switch 9, No. 3 limit switch 10, No. 4 limit switch 12, No. 1 motor 4 is connected with the walking wheel of electrode car 2 bottoms, moves on No. 1 track 11 through No. 1 motor 4 drive electrode car 2. No. 1 electronic jar 3 articulates in electrode car 2, and No. 1 electronic jar 3's piston rod is articulated with the one end of frame 8, sets up electrode basket 5 on the frame 8, and slider 6 is installed to the bottom of frame 8, and frame 8 passes through slider 6 and the riding wheel 7 sliding fit at electrode car 2 top, makes frame 8 reciprocating motion under 1 electronic jar 3's drive. One end of the electrode trolley 2 is provided with a No. 1 limit switch 1 for detecting the in-place signal of the operation of the electrode trolley 2, and the other end of the electrode trolley 2 is provided with a No. 4 limit switch 12 for detecting the in-place signal of the operation of the electrode trolley 2 into the dipping tank 20. The electrode car 2 outside the frame 8 is provided with: a limit switch No. 2 for detecting the frame 8 falling to position signal, and a limit switch No. 3 for detecting the frame 8 rising to position signal.
Among the tank door car control system, set up tank door 15, No. 2 electronic jar 16, No. 2 motor 17, No. 5 limit switch 18, No. 6 limit switch 19, No. 9 limit switch 27 and No. 10 limit switch 28 on the tank door car 13, No. 2 electronic jar 16 articulates in tank door car 13, and No. 2 electronic jar 16's piston rod is articulated with the one end of tank door 15, and both ends set up respectively around on the tank door car 13: a 10-th limit switch 28 for detecting the in-place running signal of the tank door truck 13, and a 9-th limit switch 27 for detecting the in-place running signal of the tank door truck 13 backwards; set up on the jar door car 13 in No. 2 electronic jar 16 outsides: a limit switch No. 5 18 for detecting the left movement in-place signal of the tank door 15, and a limit switch No. 6 for detecting the right movement in-place signal of the tank door 15.
In the rotary ring control system of the dipping tank, a rotary ring 29 is positioned at the outer side of the corresponding position of a tank door 15 and the dipping tank 20, a piston rod of an upper oil cylinder 23 and a piston rod of a lower oil cylinder 25 are respectively correspondingly connected with the side surface of the rotary ring 29, and the side surface of the rotary ring 29 is arranged at the corresponding position of the piston rod of the upper oil cylinder 23: a limit switch No. 7 21 for detecting the locking signal of the tank door 15 and the dipping tank 20, and a limit switch No. 8 22 for detecting the unlocking signal of the tank door 15 and the dipping tank 20.
In the invention, an in-tank bracket 24 and a No. 3 rail 26 for placing the electrode basket 5 are arranged in the dipping tank 20, a No. 2 rail 14 is arranged between the No. 1 rail 11 and the No. 3 rail 26, and the No. 1 rail 11, the No. 2 rail 14 and the No. 3 rail 26 are butted, so that the electrode vehicle 2 can conveniently reciprocate on the rails. When the electrode vehicle 2 moves into the impregnation tank 20 along the track, the electrode basket 5 on the rack 8 corresponds to the inner support 24 up and down, and the rack 8 drives the electrode basket 5 to move onto the inner support 24.
As shown in fig. 4, the input end of the PLC controller of the present invention is respectively connected to the limit switches 1 and 2 and 10 and 4, the limit switches 18 and 5, the limit switch 19 and 7, the limit switches 22 and 8, the limit switch 27 and the limit switch 28, and receives signals from the limit switches and the emergency brake switch; the input end of the PLC controller is respectively connected with the No. 1 electric cylinder 3, the No. 1 motor 4, the No. 2 electric cylinder 16, the No. 2 motor 17, the upper oil cylinder 23 and the lower oil cylinder 25, and sends instructions to the electric cylinders, the motors and the oil cylinders.
The PLC is provided with a manual control system and a change-over switch of an automatic control system, and the manual control system is used for overhauling and maintaining equipment.
When a fault occurs at a certain position of the equipment, the emergency brake switch 30 is manually pressed, the PLC sends a command, and all execution elements are kept in a static state to wait for processing. The emergency brake switches 30 are disposed in the vicinity of the facility for observing the operation of the facility, and the number of the emergency brake switches 30 is 1 to 2.
As shown in fig. 1 to 4, the control method of the present invention is:
the electrode is loaded, the electrode car 2 carries the electrode basket 5 loaded with the electrode to move towards the right side of the dipping tank 20, the rack 8 descends after the electrode basket 5 is in place, the electrode car 2 returns, the tank door car 13 moves forwards to the position where the center lines of the tank door 15 and the dipping tank 20 are coincident, the No. 2 electric cylinder 16 pushes rightwards, and the rotating ring 29 rotates to lock the tank door 15 and the dipping tank 20. After the dipping work is finished, the electrode is unloaded, the rotating ring 29 rotates reversely to unlock the tank door 15 and the dipping tank 20, the No. 2 electric cylinder 16 retracts leftwards, and the tank door vehicle 13 moves backwards and returns to the original position.
As shown in fig. 1 to 4, the control method of the present invention includes the following specific processes:
in the home position, the electrode car 2 is on the left side and the piston rod of the electric cylinder No. 13 is in a retracted state, i.e. the frame 8 is raised. Tank door 15 is behind impregnation tank 20, and track No. 1, track No. 2, track No. 14 and track No. 3 26 are in butt joint.
Dress electrode, manual sending an instruction, 1 # motor 4 operation, electrode car 2 is bearing electrode basket 5 of electrode and is moving in 20 impregnating tanks on right side, and when 4 # limit switch 12 detected electrode car 2 and moves the signal that targets in place to 20 impregnating tanks, send the signal that targets in place for the PLC controller, the PLC controller sends two instructions: the No. 1 motor 4 stops running, the piston rod of the No. 1 electric cylinder 3 extends out, the sliding block 6 rolls downwards along the riding wheel 7, namely, the rack 8 descends, and the electrode basket 5 falls on the inner support 24 of the tank.
No. 2 limit switch 9 detects that frame 8 descends the signal that targets in place, sends the signal that targets in place for the PLC controller, and the PLC controller sends the instruction: the No. 1 motor 4 runs in reverse, and the electrode car 2 runs to the left.
No. 1 limit switch 1 detects 2 operation signals that target in place of electrode car, sends the signal that targets in place for the PLC controller, and the PLC controller sends two instructions: the No. 1 motor 4 stops running, and the No. 2 motor 17 runs, namely, the tank door truck 13 drives the tank door 15 on the tank door truck to run forwards.
The No. 10 limit switch 28 detects that the tank door car 13 runs in place, namely the center line of the tank door 15 coincides with the center line of the dipping tank 20, and sends a signal in place to the PLC, and the PLC sends two instructions: the motor 17 No. 2 is stopped and the piston rod of the electric cylinder 16 No. 2 is extended to move the tank door 15 to the right to align with the impregnation tank 20.
No. 6 limit switch 19 detects that tank door 15 moves right and puts in place the signal, sends the signal that puts in place for the PLC controller, and the PLC controller sends the instruction: the piston rod of the upper cylinder 23 extends and the piston rod of the lower cylinder 25 retracts, so that the rotating ring 29 rotates clockwise to lock the tank door 15 and the impregnation tank 20.
No. 7 limit switch 21 detects tank door 15 and 20 locking signals of flooding jar, sends the signal that targets in place for the PLC controller, and the PLC controller send command: the impregnation work is started.
After the dipping operation is finished, the electrode is unloaded, a manual command is sent, the piston rod of the upper oil cylinder 23 retracts, the piston rod of the lower oil cylinder 25 extends, and the rotating ring 29 rotates anticlockwise to unlock the tank door 15 and the dipping tank 20.
No. 8 limit switch 22 detects tank door 15 and 20 unblock signals of flooding jar, sends the signal that targets in place for the PLC controller, and the PLC controller send command: the piston rod of the No. 2 electric cylinder 16 retracts to move the tank door 15 to the left.
No. 5 limit switch 18 detects jar door 15 and moves the signal that targets in place left, sends the signal that targets in place for the PLC controller, and the PLC controller send command: the No. 2 motor 17 runs in reverse, i.e. the tank door vehicle 13 runs backwards.
No. 9 limit switch 27 detects the jar door car 13 and moves the signal that targets in place backward, sends the signal that targets in place for the PLC controller, and the PLC controller sends two instructions: the No. 2 motor 17 stops operating, and the No. 1 motor 4 operates.
When the No. 4 limit switch 12 detects that the electrode vehicle 2 runs to the in-place signal in the dipping tank 20, the in-place signal is sent to the PLC controller, and the PLC controller sends an instruction: the piston rod of the No. 1 electric cylinder 3 retracts, the slide block 6 rolls upwards along the riding wheel 7, namely, the rack 8 rises, the electrode basket 5 is supported on the rack 8, and the electrode basket 5 is moved out of the impregnation tank 20.
No. 3 limit switch 10 detects that frame 8 rises to the signal that targets in place, sends the signal that targets in place for the PLC controller, and the PLC controller sends the instruction: the No. 1 motor 4 runs in reverse, and the electrode car 2 runs to the left.
No. 1 limit switch 1 detects electrode car 2 and moves the signal that targets in place, sends the signal that targets in place for the PLC controller, and the PLC controller send command: the No. 1 motor 4 stops operating. Returning to the original position.
Claims (5)
1. A control method of a control device of a dipping tank is characterized by mainly comprising the following steps: the electrode car control system, the tank gate car control system, the rotating ring control system of the impregnation tank, the emergency brake switch and the PLC controller are respectively connected with the electrode car control system, the tank gate car control system, the rotating ring control system of the impregnation tank, the limit switch, the execution element and the emergency brake switch, and are used for receiving signals input by the switches and sending control instructions to the execution elements;
among the electrode car control system, the electrode car sets up on 1 track, sets up on the electrode car: the electrode trolley comprises a No. 1 limit switch, a No. 1 electric cylinder, a No. 1 motor, an electrode basket, a sliding block, a riding wheel, a rack, a No. 2 limit switch, a No. 3 limit switch and a No. 4 limit switch, wherein the No. 1 motor is connected with a traveling wheel at the bottom of the electrode trolley and drives the electrode trolley to move on a No. 1 track through the No. 1 motor; the No. 1 electric cylinder is hinged to the electrode trolley, a piston rod of the No. 1 electric cylinder is hinged to one end of a rack, an electrode basket is arranged on the rack, a sliding block is arranged at the bottom of the rack, and the rack is in sliding fit with a riding wheel at the top of the electrode trolley through the sliding block so as to enable the rack to move in a reciprocating mode under the driving of the No. 1 electric cylinder; one end of the electrode trolley is provided with a No. 1 limit switch for detecting the in-place signal of the electrode trolley during running, and the other end of the electrode trolley is provided with a No. 4 limit switch for detecting the in-place signal of the electrode trolley during running into the impregnation tank; the electrode car outside the frame is provided with: the device comprises a No. 2 limit switch for detecting a frame descending in-place signal and a No. 3 limit switch for detecting a frame ascending in-place signal;
an in-tank bracket for placing an electrode basket and a No. 3 track are arranged in the impregnation tank, a No. 2 track is arranged between the No. 1 track and the No. 3 track, and the No. 1 track, the No. 2 track and the No. 3 track are butted so as to facilitate the electrode vehicle to move on the tracks in a reciprocating manner; when the electrode vehicle moves into the impregnation tank along the track, the electrode basket on the rack corresponds to the support in the tank up and down, and the electrode basket is driven by the rack to move onto the support in the tank;
among the tank door car control system, set up tank door, No. 2 electronic jars, No. 2 motors, No. 5 limit switch, No. 6 limit switch, No. 9 limit switch and No. 10 limit switch on the tank door car, No. 2 electronic jars articulate in the tank door car, and the piston rod of No. 2 electronic jars is articulated with the one end of tank door, and both ends set up respectively around on the tank door car: the system comprises a No. 10 limit switch for detecting the running in-place signal of the tank door car and a No. 9 limit switch for detecting the backward running in-place signal of the tank door car; set up on the jar door car in No. 2 electronic jar outsides: the system comprises a No. 5 limit switch for detecting a left moving in-place signal of the tank door and a No. 6 limit switch for detecting a right moving in-place signal of the tank door;
the control method of the dipping tank control device comprises the steps that electrodes are loaded, an electrode basket loaded with the electrodes is carried by an electrode vehicle to move towards the right dipping tank, a rack descends after the electrode basket is in place, the electrode basket falls on a support in the tank, the electrode vehicle returns, a tank door vehicle moves forwards to the position where a tank door is coincident with the central line of the dipping tank, a No. 2 electric cylinder pushes rightwards, and a rotating ring rotates to lock the tank door and the dipping tank; treat after the flooding work, unload the electrode, rotatory ring counter rotation with jar door and flooding jar unblock, No. 2 electronic jars retract left, jar door car backward movement returns home position, and concrete process is as follows:
the electrode vehicle is arranged at the left side at the original position, and a piston rod of the No. 1 electric cylinder is in a retraction state, namely the rack is lifted; the tank door is arranged behind the impregnation tank, and the No. 1 track, the No. 2 track and the No. 3 track are in a butt joint state;
dress electrode, manual sending an order, 1 motor operation, electrode car are bearing the electrode basket of electrode and are moving in the flooding jar on right side, and when 2 # limit switch detected electrode car and moved the signal that targets in place in the flooding jar, sent the signal that targets in place for the PLC controller, and the PLC controller sends two orders: the No. 1 motor stops running, a piston rod of the No. 1 electric cylinder extends out, the sliding block rolls downwards along the supporting wheel, namely the rack descends, and the electrode basket falls on the support in the tank;
no. 2 limit switch detects the frame and descends the signal that targets in place, sends the signal that targets in place for the PLC controller, and the PLC controller sends the instruction: the No. 1 motor runs in the reverse direction, and the electrode vehicle runs to the left side;
no. 1 limit switch detects the electrode car and moves the signal that targets in place, sends the signal that targets in place for the PLC controller, and the PLC controller sends two instructions: the No. 1 motor stops running, and the No. 2 motor runs, namely the tank door vehicle drives the tank door on the tank door vehicle to run forwards;
no. 10 limit switch detects the jar door car and moves the signal that targets in place, and the central line of jar door and the central line of flooding jar coincide mutually promptly, sends the signal that targets in place for the PLC controller, and the PLC controller sends two instructions: stopping the No. 2 motor, extending a piston rod of the No. 2 electric cylinder, and moving the tank door to the right to align with the dipping tank;
no. 6 limit switch detects the jar door and moves the signal that targets in place rightwards, sends the signal that targets in place for the PLC controller, and the PLC controller sends the instruction: the piston rod of the upper oil cylinder extends out, and the piston rod of the lower oil cylinder retracts, so that the rotating ring rotates clockwise to lock the tank door and the impregnation tank;
no. 7 limit switch detects tank door and flooding jar locking signal, sends the signal that targets in place for the PLC controller, and the PLC controller sends the instruction: starting the dipping work;
after the dipping work is finished, the electrode is unloaded, an instruction is sent manually, the piston rod of the upper oil cylinder retracts, and the piston rod of the lower oil cylinder extends out, so that the rotating ring rotates anticlockwise to unlock the tank door and the dipping tank;
no. 8 limit switch detects tank door and flooding jar unblock signal, sends the signal that targets in place for the PLC controller, and the PLC controller send instruction: the piston rod of the No. 2 electric cylinder retracts to move the tank door to the left;
no. 5 limit switch detects the jar door and moves the signal that targets in place left, sends the signal that targets in place for the PLC controller, and the PLC controller sends the instruction: the No. 2 motor runs reversely, namely the tank door vehicle runs backwards;
no. 9 limit switch detects the jar door car and moves the signal that targets in place backward, sends the signal that targets in place for the PLC controller, and the PLC controller sends two instructions: the No. 2 motor stops running, and the No. 1 motor runs;
when No. 4 limit switch detected the electrode car and moved the signal that targets in place in the dip tank, sent the signal that targets in place for the PLC controller, PLC controller send command: the piston rod of the No. 1 electric cylinder retracts, the slide block rolls upwards along the supporting wheel, namely the rack rises, the electrode basket is supported on the rack, and the electrode basket is moved out of the impregnation tank;
no. 3 limit switch detects the frame and rises the signal that targets in place, sends the signal that targets in place for the PLC controller, and the PLC controller sends the instruction: the No. 1 motor runs in the reverse direction, and the electrode vehicle runs to the left side;
no. 1 limit switch detects the electrode car and moves the signal that targets in place, sends the signal that targets in place for the PLC controller, and the PLC controller sends the instruction: the motor 1 stops operating and returns to the original position.
2. The control method of the impregnation tank control apparatus according to claim 1, wherein in the rotary ring control system of the impregnation tank, the rotary ring is located outside the tank door corresponding to the impregnation tank, the piston rod of the upper cylinder and the piston rod of the lower cylinder are respectively connected to the side of the rotary ring corresponding to the piston rod of the upper cylinder, and the side of the rotary ring is provided with: a No. 7 limit switch for detecting tank door and flooding jar locking signal to and be used for detecting tank door and flooding jar unblock No. 8 limit switch of signal.
3. The method of claim 1, wherein the emergency brake switch is located in the vicinity of the facility for observing the operation of the facility.
4. The method of claim 1, wherein the number of the emergency brake switches is 1 to 2.
5. The control method of the impregnation tank control device according to claim 1, wherein the PLC controller is provided with a manual control and an automatic control change-over switch, and the manual control system is used for the overhaul and maintenance work of the equipment.
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| CN201810231925.5A CN108314002B (en) | 2018-03-20 | 2018-03-20 | Control device and control method for impregnation tank |
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| CN201810231925.5A CN108314002B (en) | 2018-03-20 | 2018-03-20 | Control device and control method for impregnation tank |
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| CN108314002A CN108314002A (en) | 2018-07-24 |
| CN108314002B true CN108314002B (en) | 2021-06-04 |
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| CN109484810A (en) * | 2018-11-28 | 2019-03-19 | 凤城市宝山炭素有限公司 | A kind of dipping disengaging two-way conveyor chain vehicle of tank |
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| US4087011A (en) * | 1976-03-19 | 1978-05-02 | Nikku Industry Co., Ltd. | System for automatically transferring carbon electrodes from a drying palette onto a pitch impregnation palette |
| CN102949965A (en) * | 2011-08-30 | 2013-03-06 | 沈阳铝镁设计研究院有限公司 | Fast door opening and closing device and door opening and closing method for impregnating tank |
| CN103170441A (en) * | 2011-12-26 | 2013-06-26 | 贵阳铝镁设计研究院有限公司 | Track car for rotary type uncovered dipping tank |
| CN105418161A (en) * | 2014-09-22 | 2016-03-23 | 沈阳铝镁设计研究院有限公司 | Method and apparatus for loading and unloading electrode |
| CN206030132U (en) * | 2016-08-02 | 2017-03-22 | 南京博俊新材料有限公司 | Wood modification is with vacuum pressure impregnation treatment tank |
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|---|---|---|---|---|
| US4087011A (en) * | 1976-03-19 | 1978-05-02 | Nikku Industry Co., Ltd. | System for automatically transferring carbon electrodes from a drying palette onto a pitch impregnation palette |
| CN102949965A (en) * | 2011-08-30 | 2013-03-06 | 沈阳铝镁设计研究院有限公司 | Fast door opening and closing device and door opening and closing method for impregnating tank |
| CN103170441A (en) * | 2011-12-26 | 2013-06-26 | 贵阳铝镁设计研究院有限公司 | Track car for rotary type uncovered dipping tank |
| CN105418161A (en) * | 2014-09-22 | 2016-03-23 | 沈阳铝镁设计研究院有限公司 | Method and apparatus for loading and unloading electrode |
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